openbox/client.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "client.h"
  21 #include "debug.h"
  22 #include "startupnotify.h"
  23 #include "dock.h"
  24 #include "screen.h"
  25 #include "moveresize.h"
  26 #include "ping.h"
  27 #include "place.h"
  28 #include "engine_interface.h"
  29 #include "session.h"
  30 #include "event.h"
  31 #include "grab.h"
  32 #include "prompt.h"
  33 #include "focus.h"
  34 #include "focus_cycle.h"
  35 #include "stacking.h"
  36 #include "openbox.h"
  37 #include "group.h"
  38 #include "config.h"
  39 #include "menuframe.h"
  40 #include "keyboard.h"
  41 #include "mouse.h"
  42 #include "render/render.h"
  43 #include "gettext.h"
  44 #include "obt/display.h"
  45 #include "obt/prop.h"
  46 #include "window.h"
  47
  48 #ifdef HAVE_UNISTD_H
  49 #  include <unistd.h>
  50 #endif
  51
  52 #ifdef HAVE_SIGNAL_H
  53 #  include <signal.h> /* for kill() */
  54 #endif
  55
  56 #include <glib.h>
  57 #include <X11/Xutil.h>
  58
  59 /*! The event mask to grab on client windows */
  60 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  61                           ColormapChangeMask)
  62
  63 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  64                                 ButtonMotionMask)
  65
  66 #define FRAME_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
  67                          ButtonPressMask | ButtonReleaseMask | \
  68                          SubstructureRedirectMask | FocusChangeMask)
  69
  70 typedef struct
  71 {
  72     ObClientCallback func;
  73     gpointer data;
  74 } ClientCallback;
  75
  76 GList            *client_list          = NULL;
  77
  78 static GSList *client_destroy_notifies = NULL;
  79
  80 static void client_get_all(ObClient *self, gboolean real);
  81 static void client_get_startup_id(ObClient *self);
  82 static void client_get_session_ids(ObClient *self);
  83 static void client_get_area(ObClient *self);
  84 static void client_get_desktop(ObClient *self);
  85 static void client_get_state(ObClient *self);
  86 static void client_get_shaped(ObClient *self);
  87 static void client_get_mwm_hints(ObClient *self);
  88 static void client_get_colormap(ObClient *self);
  89 static void client_set_desktop_recursive(ObClient *self,
  90                                          guint target,
  91                                          gboolean donthide,
  92                                          gboolean dontraise);
  93 static void client_change_allowed_actions(ObClient *self);
  94 static void client_change_state(ObClient *self);
  95 static void client_change_wm_state(ObClient *self);
  96 static void client_apply_startup_state(ObClient *self,
  97                                        gint x, gint y, gint w, gint h);
  98 static void client_restore_session_state(ObClient *self);
  99 static gboolean client_restore_session_stacking(ObClient *self);
 100 static ObAppSettings *client_get_settings_state(ObClient *self);
 101 static void client_update_transient_tree(ObClient *self,
 102                                          ObGroup *oldgroup, ObGroup *newgroup,
 103                                          gboolean oldgtran, gboolean newgtran,
 104                                          ObClient* oldparent,
 105                                          ObClient *newparent);
 106 static void client_present(ObClient *self, gboolean here, gboolean raise,
 107                            gboolean unshade);
 108 static GSList *client_search_all_top_parents_internal(ObClient *self,
 109                                                       gboolean bylayer,
 110                                                       ObStackingLayer layer);
 111 static void client_call_notifies(ObClient *self, GSList *list);
 112 static void client_ping_event(ObClient *self, gboolean dead);
 113 static void client_prompt_kill(ObClient *self);
 114
 115 Window createWindow(Window parent, Visual *visual, gulong mask,
 116         XSetWindowAttributes *attrib)
 117 {
 118     return XCreateWindow(obt_display, parent, 0, 0, 1, 1, 0, (visual ? 32
 119             : RrDepth(ob_rr_inst)), InputOutput, (visual ? visual
 120             : RrVisual(ob_rr_inst)), mask, attrib);
 121
 122 }
 123
 124 Visual *check_32bit_client(ObClient *c)
 125 {
 126     XWindowAttributes wattrib;
 127     Status ret;
 128
 129     /* we're already running at 32 bit depth, yay. we don't need to use their
 130      visual */
 131     if (RrDepth(ob_rr_inst) == 32)
 132         return NULL;
 133
 134     ret = XGetWindowAttributes(obt_display, c->w_client, &wattrib);
 135     g_assert(ret != BadDrawable);
 136     g_assert(ret != BadWindow);
 137
 138     if (wattrib.depth == 32)
 139         return wattrib.visual;
 140     return NULL;
 141 }
 142
 143 void client_startup(gboolean reconfig)
 144 {
 145     if (reconfig) return;
 146
 147     client_set_list();
 148 }
 149
 150 void client_shutdown(gboolean reconfig)
 151 {
 152     if (reconfig) return;
 153 }
 154
 155 static void client_call_notifies(ObClient *self, GSList *list)
 156 {
 157     GSList *it;
 158
 159     for (it = list; it; it = g_slist_next(it)) {
 160         ClientCallback *d = it->data;
 161         d->func(self, d->data);
 162     }
 163 }
 164
 165 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 166 {
 167     ClientCallback *d = g_new(ClientCallback, 1);
 168     d->func = func;
 169     d->data = data;
 170     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 171 }
 172
 173 void client_remove_destroy_notify(ObClientCallback func)
 174 {
 175     GSList *it;
 176
 177     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 178         ClientCallback *d = it->data;
 179         if (d->func == func) {
 180             g_free(d);
 181             client_destroy_notifies =
 182                 g_slist_delete_link(client_destroy_notifies, it);
 183             break;
 184         }
 185     }
 186 }
 187
 188 void client_set_list(void)
 189 {
 190     Window *windows, *win_it;
 191     GList *it;
 192     guint size = g_list_length(client_list);
 193
 194     /* create an array of the window ids */
 195     if (size > 0) {
 196         windows = g_new(Window, size);
 197         win_it = windows;
 198         for (it = client_list; it; it = g_list_next(it), ++win_it)
 199             *win_it = ((ObClient*)it->data)->w_client;
 200     } else
 201         windows = NULL;
 202
 203     OBT_PROP_SETA32(obt_root(ob_screen), NET_CLIENT_LIST, WINDOW,
 204                     (gulong*)windows, size);
 205
 206     if (windows)
 207         g_free(windows);
 208
 209     stacking_set_list();
 210 }
 211
 212 void client_manage(Window window, ObPrompt *prompt)
 213 {
 214     ObClient *self;
 215     XSetWindowAttributes attrib_set;
 216     gboolean activate = FALSE;
 217     ObAppSettings *settings;
 218     gboolean transient = FALSE;
 219     Rect place, *monitor;
 220     Time launch_time, map_time;
 221
 222     ob_debug("Managing window: 0x%lx", window);
 223
 224     map_time = event_get_server_time();
 225
 226     /* choose the events we want to receive on the CLIENT window
 227        (ObPrompt windows can request events too) */
 228     attrib_set.event_mask = CLIENT_EVENTMASK |
 229         (prompt ? prompt->event_mask : 0);
 230     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 231     XChangeWindowAttributes(obt_display, window,
 232                             CWEventMask|CWDontPropagate, &attrib_set);
 233
 234     /* create the ObClient struct, and populate it from the hints on the
 235        window */
 236     self = g_new0(ObClient, 1);
 237     self->obwin.type = OB_WINDOW_CLASS_CLIENT;
 238     self->w_client = window;
 239     self->prompt = prompt;
 240
 241     /* non-zero defaults */
 242     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 243     self->gravity = NorthWestGravity;
 244     self->desktop = screen_num_desktops; /* always an invalid value */
 245
 246     /* get all the stuff off the window */
 247     client_get_all(self, TRUE);
 248
 249     ob_debug("Window type: %d", self->type);
 250     ob_debug("Window group: 0x%x", self->group?self->group->leader:0);
 251
 252     /* now we have all of the window's information so we can set this up.
 253        do this before creating the frame, so it can tell that we are still
 254        mapping and doesn't go applying things right away */
 255     client_setup_decor_and_functions(self, FALSE);
 256
 257     /* specify that if we exit, the window should not be destroyed and
 258        should be reparented back to root automatically, unless we are managing
 259        an internal ObPrompt window  */
 260     if (!self->prompt)
 261         XChangeSaveSet(obt_display, window, SetModeInsert);
 262
 263     /* create the decoration frame for the client window */
 264     Visual *visual = check_32bit_client(self);
 265     gulong mask = 0;
 266     XSetWindowAttributes attrib;
 267     if (visual) {
 268         /* client has a 32-bit visual */
 269         mask |= CWColormap | CWBackPixel | CWBorderPixel;
 270         /* create a colormap with the visual */
 271         attrib.colormap = XCreateColormap(
 272                 obt_display, RootWindow(obt_display, ob_screen), visual,
 273                 AllocNone);
 274         attrib.background_pixel = BlackPixel(obt_display, ob_screen);
 275         attrib.border_pixel = BlackPixel(obt_display, ob_screen);
 276     }
 277     self->w_frame = createWindow(RootWindow(obt_display, ob_screen), visual,
 278             mask, &attrib);
 279     self->frame = frame_engine->frame_new(self, self->w_client, self->w_frame);
 280     /* reparent the client to the frame */
 281     XReparentWindow(obt_display, self->w_client, self->w_frame, 0, 0);
 282
 283     /*
 284      When reparenting the client window, it is usually not mapped yet, since
 285      this occurs from a MapRequest. However, in the case where Openbox is
 286      starting up, the window is already mapped, so we'll see an unmap event
 287      for it.
 288      */
 289     if (ob_state() == OB_STATE_STARTING)
 290         ++self->ignore_unmaps;
 291
 292     /* select the event mask on the client's parent (to receive config/map
 293      req's) the ButtonPress is to catch clicks on the client border */
 294     XSelectInput(obt_display, self->w_frame, FRAME_EVENTMASK);
 295
 296     frame_engine->frame_grab(self->frame, window_map);
 297
 298     /* we've grabbed everything and set everything that we need to at mapping
 299        time now */
 300     grab_server(FALSE);
 301
 302     /* per-app settings override stuff from client_get_all, and return the
 303        settings for other uses too. the returned settings is a shallow copy,
 304        that needs to be freed with g_free(). */
 305     settings = client_get_settings_state(self);
 306     /* the session should get the last say though */
 307     client_restore_session_state(self);
 308
 309     /* tell startup notification that this app started */
 310     launch_time = sn_app_started(self->startup_id, self->class, self->name);
 311
 312     /* do this after we have a frame.. it uses the frame to help determine the
 313        WM_STATE to apply. */
 314     client_change_state(self);
 315
 316     /* add ourselves to the focus order */
 317     focus_order_add_new(self);
 318
 319     /* do this to add ourselves to the stacking list in a non-intrusive way */
 320     client_calc_layer(self);
 321
 322     /* focus the new window? */
 323     if (ob_state() != OB_STATE_STARTING &&
 324         (!self->session || self->session->focused) &&
 325         /* this means focus=true for window is same as config_focus_new=true */
 326         ((config_focus_new || (settings && settings->focus == 1)) ||
 327          client_search_focus_tree_full(self)) &&
 328         /* this checks for focus=false for the window */
 329         (!settings || settings->focus != 0) &&
 330         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
 331     {
 332         activate = TRUE;
 333     }
 334
 335     /* remove the client's border */
 336     XSetWindowBorderWidth(obt_display, self->w_client, 0);
 337
 338     /* adjust the frame to the client's size before showing or placing
 339        the window */
 340     frame_engine->frame_set_hover_flag (self->frame, OB_BUTTON_NONE);
 341     frame_engine->frame_set_press_flag (self->frame, OB_BUTTON_NONE);
 342     frame_engine->frame_set_is_focus (self->frame, FALSE);
 343     frame_engine->frame_set_decorations (self->frame, self->decorations);
 344     frame_engine->frame_update_title (self->frame, self->title);
 345     frame_engine->frame_update_layout (self->frame, self->area, FALSE, TRUE);
 346     frame_engine->frame_update_skin (self->frame);
 347
 348     /* where the frame was placed is where the window was originally */
 349     place = self->area;
 350     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
 351
 352     /* figure out placement for the window if the window is new */
 353     if (ob_state() == OB_STATE_RUNNING) {
 354         ob_debug("Positioned: %s @ %d %d",
 355                  (!self->positioned ? "no" :
 356                   (self->positioned == PPosition ? "program specified" :
 357                    (self->positioned == USPosition ? "user specified" :
 358                     (self->positioned == (PPosition | USPosition) ?
 359                      "program + user specified" :
 360                      "BADNESS !?")))), place.x, place.y);
 361
 362         ob_debug("Sized: %s @ %d %d",
 363                  (!self->sized ? "no" :
 364                   (self->sized == PSize ? "program specified" :
 365                    (self->sized == USSize ? "user specified" :
 366                     (self->sized == (PSize | USSize) ?
 367                      "program + user specified" :
 368                      "BADNESS !?")))), place.width, place.height);
 369
 370         /* splash screens are also returned as TRUE for transient,
 371            and so will be forced on screen below */
 372         transient = place_client(self, &place.x, &place.y, settings);
 373
 374         /* make sure the window is visible. */
 375         client_find_onscreen(self, &place.x, &place.y,
 376                              place.width, place.height,
 377                              /* non-normal clients has less rules, and
 378                                 windows that are being restored from a
 379                                 session do also. we can assume you want
 380                                 it back where you saved it. Clients saying
 381                                 they placed themselves are subjected to
 382                                 harder rules, ones that are placed by
 383                                 place.c or by the user are allowed partially
 384                                 off-screen and on xinerama divides (ie,
 385                                 it is up to the placement routines to avoid
 386                                 the xinerama divides)
 387
 388                                 splash screens get "transient" set to TRUE by
 389                                 the place_client call
 390                              */
 391                              ob_state() == OB_STATE_RUNNING &&
 392                              (transient ||
 393                               (!((self->positioned & USPosition) ||
 394                                  (settings && settings->pos_given)) &&
 395                                client_normal(self) &&
 396                                !self->session &&
 397                                /* don't move oldschool fullscreen windows to
 398                                   fit inside the struts (fixes Acroread, which
 399                                   makes its fullscreen window fit the screen
 400                                   but it is not USSize'd or USPosition'd) */
 401                                !(self->decorations == 0 &&
 402                                  RECT_EQUAL(place, *monitor)))));
 403     }
 404
 405     /* if the window isn't user-sized, then make it fit inside
 406        the visible screen area on its monitor. Use basically the same rules
 407        for forcing the window on screen in the client_find_onscreen call.
 408
 409        do this after place_client, it chooses the monitor!
 410
 411        splash screens get "transient" set to TRUE by
 412        the place_client call
 413     */
 414     if (ob_state() == OB_STATE_RUNNING &&
 415         (transient ||
 416          (!(self->sized & USSize || self->positioned & USPosition) &&
 417           client_normal(self) &&
 418           !self->session &&
 419           /* don't shrink oldschool fullscreen windows to fit inside the
 420              struts (fixes Acroread, which makes its fullscreen window
 421              fit the screen but it is not USSize'd or USPosition'd) */
 422           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
 423     {
 424         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
 425
 426         Strut size;
 427         frame_engine->frame_get_size(self->frame, &size);
 428         /* get the size of the frame */
 429         place.width += size.left + size.right;
 430         place.height += size.top + size.bottom;
 431
 432         /* fit the window inside the area */
 433         place.width = MIN(place.width, a->width);
 434         place.height = MIN(place.height, a->height);
 435
 436         ob_debug("setting window size to %dx%d", place.width, place.height);
 437
 438         /* get the size of the client back */
 439         place.width -= size.left + size.right;
 440         place.height -= size.top + size.bottom;
 441
 442         g_free(a);
 443     }
 444
 445     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 446              "some restrictions may apply",
 447              self->w_client, place.x, place.y, place.width, place.height);
 448     if (self->session)
 449         ob_debug("  but session requested %d, %d  %d x %d instead, "
 450                  "overriding",
 451                  self->session->x, self->session->y,
 452                  self->session->w, self->session->h);
 453
 454     /* do this after the window is placed, so the premax/prefullscreen numbers
 455        won't be all wacko!!
 456
 457        this also places the window
 458     */
 459     client_apply_startup_state(self, place.x, place.y,
 460                                place.width, place.height);
 461
 462     g_free(monitor);
 463     monitor = NULL;
 464
 465     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s",
 466                   activate ? "yes" : "no");
 467     if (activate) {
 468         gboolean raise = FALSE;
 469
 470         /* This is focus stealing prevention */
 471         ob_debug_type(OB_DEBUG_FOCUS,
 472                       "Want to focus new window 0x%x at time %u "
 473                       "launched at %u (last user interaction time %u)",
 474                       self->w_client, map_time, launch_time,
 475                       event_last_user_time);
 476
 477         if (menu_frame_visible || frame_engine->moveresize_in_progress) {
 478             activate = FALSE;
 479             raise = TRUE;
 480             ob_debug_type(OB_DEBUG_FOCUS,
 481                           "Not focusing the window because the user is inside "
 482                           "an Openbox menu or is move/resizing a window and "
 483                           "we don't want to interrupt them");
 484         }
 485
 486         /* if it's on another desktop */
 487         else if (!(self->desktop == screen_desktop ||
 488                    self->desktop == DESKTOP_ALL) &&
 489                  /* the timestamp is from before you changed desktops */
 490                  launch_time && screen_desktop_user_time &&
 491                  !event_time_after(launch_time, screen_desktop_user_time))
 492         {
 493             activate = FALSE;
 494             raise = TRUE;
 495             ob_debug_type(OB_DEBUG_FOCUS,
 496                           "Not focusing the window because its on another "
 497                           "desktop");
 498         }
 499         /* If something is focused, and it's not our relative... */
 500         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
 501                  client_search_focus_group_full(self) == NULL)
 502         {
 503             /* If the user is working in another window right now, then don't
 504                steal focus */
 505             if (event_last_user_time && launch_time &&
 506                 event_time_after(event_last_user_time, launch_time) &&
 507                 event_last_user_time != launch_time &&
 508                 event_time_after(event_last_user_time,
 509                                  map_time - OB_EVENT_USER_TIME_DELAY))
 510             {
 511                 activate = FALSE;
 512                 ob_debug_type(OB_DEBUG_FOCUS,
 513                               "Not focusing the window because the user is "
 514                               "working in another window");
 515             }
 516             /* If its a transient (and its parents aren't focused) */
 517             else if (client_has_parent(self)) {
 518                 activate = FALSE;
 519                 ob_debug_type(OB_DEBUG_FOCUS,
 520                               "Not focusing the window because it is a "
 521                               "transient, and its relatives aren't focused");
 522             }
 523             /* Don't steal focus from globally active clients.
 524                I stole this idea from KWin. It seems nice.
 525              */
 526             else if (!(focus_client->can_focus ||
 527                        focus_client->focus_notify))
 528             {
 529                 activate = FALSE;
 530                 ob_debug_type(OB_DEBUG_FOCUS,
 531                               "Not focusing the window because a globally "
 532                               "active client has focus");
 533             }
 534             /* Don't move focus if it's not going to go to this window
 535                anyway */
 536             else if (client_focus_target(self) != self) {
 537                 activate = FALSE;
 538                 raise = TRUE;
 539                 ob_debug_type(OB_DEBUG_FOCUS,
 540                               "Not focusing the window because another window "
 541                               "would get the focus anyway");
 542             }
 543             else if (!(self->desktop == screen_desktop ||
 544                        self->desktop == DESKTOP_ALL))
 545             {
 546                 activate = FALSE;
 547                 raise = TRUE;
 548                 ob_debug_type(OB_DEBUG_FOCUS,
 549                               "Not focusing the window because it is on "
 550                               "another desktop and no relatives are focused ");
 551             }
 552         }
 553
 554         if (!activate) {
 555             ob_debug_type(OB_DEBUG_FOCUS,
 556                           "Focus stealing prevention activated for %s at "
 557                           "time %u (last user interactioon time %u)",
 558                           self->title, map_time, event_last_user_time);
 559             /* if the client isn't focused, then hilite it so the user
 560                knows it is there */
 561             client_hilite(self, TRUE);
 562             /* we may want to raise it even tho we're not activating it */
 563             if (raise && !client_restore_session_stacking(self))
 564                 stacking_raise(CLIENT_AS_WINDOW(self));
 565         }
 566     }
 567     else {
 568         /* This may look rather odd. Well it's because new windows are added
 569            to the stacking order non-intrusively. If we're not going to focus
 570            the new window or hilite it, then we raise it to the top. This will
 571            take affect for things that don't get focused like splash screens.
 572            Also if you don't have focus_new enabled, then it's going to get
 573            raised to the top. Legacy begets legacy I guess?
 574         */
 575         if (!client_restore_session_stacking(self))
 576             stacking_raise(CLIENT_AS_WINDOW(self));
 577     }
 578
 579     mouse_grab_for_client(self, TRUE);
 580
 581     /* this has to happen before we try focus the window, but we want it to
 582        happen after the client's stacking has been determined or it looks bad
 583     */
 584     {
 585         gulong ignore_start;
 586         if (!config_focus_under_mouse)
 587             ignore_start = event_start_ignore_all_enters();
 588
 589         client_show(self);
 590
 591         if (!config_focus_under_mouse)
 592             event_end_ignore_all_enters(ignore_start);
 593     }
 594
 595     if (activate) {
 596         gboolean stacked = client_restore_session_stacking(self);
 597         client_present(self, FALSE, !stacked, TRUE);
 598     }
 599
 600     /* add to client list/map */
 601     client_list = g_list_append(client_list, self);
 602     window_add(&self->w_client, CLIENT_AS_WINDOW(self));
 603
 604     /* this has to happen after we're in the client_list */
 605     if (STRUT_EXISTS(self->strut))
 606         screen_update_areas();
 607
 608     /* update the list hints */
 609     client_set_list();
 610
 611     /* watch for when the application stops responding.  only do this for
 612        normal windows, i.e. windows which have titlebars and close buttons
 613        and things like that.
 614        we don't need to stop pinging on unmanage, because it will be handled
 615        automatically by the destroy callback!
 616     */
 617     if (self->ping && client_normal(self))
 618         ping_start(self, client_ping_event);
 619
 620     /* free the ObAppSettings shallow copy */
 621     g_free(settings);
 622
 623     ob_debug("Managed window 0x%lx plate 0x%x (%s)",
 624              window, self->w_frame, self->class);
 625 }
 626
 627
 628 ObClient *client_fake_manage(Window window)
 629 {
 630     ObClient *self;
 631     ObAppSettings *settings;
 632
 633     ob_debug("Pretend-managing window: %lx", window);
 634
 635     /* do this minimal stuff to figure out the client's decorations */
 636
 637     self = g_new0(ObClient, 1);
 638     self->w_client = window;
 639
 640     client_get_all(self, FALSE);
 641     /* per-app settings override stuff, and return the settings for other
 642        uses too. this returns a shallow copy that needs to be freed */
 643     settings = client_get_settings_state(self);
 644
 645     client_setup_decor_and_functions(self, FALSE);
 646
 647     /* create the decoration frame for the client window and adjust its size */
 648     Visual *visual = check_32bit_client(self);
 649     gulong mask = 0;
 650     XSetWindowAttributes attrib;
 651     if (visual) {
 652         /* client has a 32-bit visual */
 653         mask |= CWColormap | CWBackPixel | CWBorderPixel;
 654         /* create a colormap with the visual */
 655         attrib.colormap = XCreateColormap(
 656                 obt_display, RootWindow(obt_display, ob_screen), visual,
 657                 AllocNone);
 658         attrib.background_pixel = BlackPixel(obt_display, ob_screen);
 659         attrib.border_pixel = BlackPixel(obt_display, ob_screen);
 660     }
 661     self->w_frame = createWindow(RootWindow(obt_display, ob_screen), visual,
 662             mask, &attrib);
 663     self->frame = frame_engine->frame_new(self, self->w_client, self->w_frame);
 664     frame_engine->frame_set_decorations (self->frame, self->decorations);
 665     frame_engine->frame_update_title (self->frame, self->title);
 666     frame_engine->frame_update_layout (self->frame, self->area, FALSE, FALSE);
 667     /* if this occurs while we are focus cycling, the indicator needs to
 668      match the changes */
 669     if (focus_cycle_target == self)
 670         focus_cycle_draw_indicator(self);
 671     frame_engine->frame_update_skin (self->frame);
 672
 673     Strut size;
 674     frame_engine->frame_get_size(self->frame, &size);
 675     ob_debug("gave extents left %d right %d top %d bottom %d",
 676              size.left, size.right,
 677              size.top, size.bottom);
 678
 679     /* free the ObAppSettings shallow copy */
 680     g_free(settings);
 681
 682     return self;
 683 }
 684
 685 void client_unmanage_all(void)
 686 {
 687     while (client_list != NULL)
 688         client_unmanage(client_list->data);
 689 }
 690
 691 void client_unmanage(ObClient *self)
 692 {
 693     guint j;
 694     GSList *it;
 695     gulong ignore_start;
 696
 697     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)",
 698              self->w_client, self->w_frame,
 699              self->class, self->title ? self->title : "");
 700
 701     g_assert(self != NULL);
 702
 703     /* we dont want events no more. do this before hiding the frame so we
 704        don't generate more events */
 705     XSelectInput(obt_display, self->w_client, NoEventMask);
 706
 707     /* ignore enter events from the unmap so it doesnt mess with the focus */
 708     if (!config_focus_under_mouse)
 709         ignore_start = event_start_ignore_all_enters();
 710
 711     client_hide_frame(self);
 712     /* flush to send the hide to the server quickly */
 713     XFlush(obt_display);
 714
 715     if (!config_focus_under_mouse)
 716         event_end_ignore_all_enters(ignore_start);
 717
 718     mouse_grab_for_client(self, FALSE);
 719
 720     /* remove the window from our save set, unless we are managing an internal
 721        ObPrompt window */
 722     if (!self->prompt)
 723         XChangeSaveSet(obt_display, self->w_client, SetModeDelete);
 724
 725     /* update the focus lists */
 726     focus_order_remove(self);
 727     if (client_focused(self)) {
 728         /* don't leave an invalid focus_client */
 729         focus_client = NULL;
 730     }
 731
 732     /* if we're prompting to kill the client, close that */
 733     prompt_unref(self->kill_prompt);
 734     self->kill_prompt = NULL;
 735
 736     client_list = g_list_remove(client_list, self);
 737     stacking_remove(self);
 738     window_remove(self->w_client);
 739
 740     /* once the client is out of the list, update the struts to remove its
 741        influence */
 742     if (STRUT_EXISTS(self->strut))
 743         screen_update_areas();
 744
 745     client_call_notifies(self, client_destroy_notifies);
 746
 747     /* tell our parent(s) that we're gone */
 748     for (it = self->parents; it; it = g_slist_next(it))
 749         ((ObClient*)it->data)->transients =
 750             g_slist_remove(((ObClient*)it->data)->transients,self);
 751
 752     /* tell our transients that we're gone */
 753     for (it = self->transients; it; it = g_slist_next(it)) {
 754         ((ObClient*)it->data)->parents =
 755             g_slist_remove(((ObClient*)it->data)->parents, self);
 756         /* we could be keeping our children in a higher layer */
 757         client_calc_layer(it->data);
 758     }
 759
 760     /* remove from its group */
 761     if (self->group) {
 762         group_remove(self->group, self);
 763         self->group = NULL;
 764     }
 765
 766     /* restore the window's original geometry so it is not lost */
 767     {
 768         Rect a;
 769
 770         a = self->area;
 771
 772         if (self->fullscreen)
 773             a = self->pre_fullscreen_area;
 774         else if (self->max_horz || self->max_vert) {
 775             if (self->max_horz) {
 776                 a.x = self->pre_max_area.x;
 777                 a.width = self->pre_max_area.width;
 778             }
 779             if (self->max_vert) {
 780                 a.y = self->pre_max_area.y;
 781                 a.height = self->pre_max_area.height;
 782             }
 783         }
 784
 785         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 786         frame_engine->frame_trigger(self, OB_TRIGGER_UNMAX_VERT);
 787         frame_engine->frame_trigger(self, OB_TRIGGER_UNMAX_HORZ);
 788         /* let it be moved and resized no matter what */
 789         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 790         self->decorations = 0; /* unmanaged windows have no decor */
 791
 792         /* give the client its border back */
 793         XSetWindowBorderWidth(obt_display, self->w_client, self->border_width);
 794
 795         client_move_resize(self, a.x, a.y, a.width, a.height);
 796     }
 797
 798     /* reparent the window out of the frame, and free the frame */
 799     XEvent ev;
 800     gboolean reparent = TRUE;
 801     /* check if the app has already reparented its window away */
 802     while (XCheckTypedWindowEvent(obt_display, self->w_client,
 803             ReparentNotify, &ev)) {
 804         /* This check makes sure we don't catch our own reparent action to
 805          our frame window. This doesn't count as the app reparenting itself
 806          away of course.
 807
 808          Reparent events that are generated by us are just discarded here.
 809          They are of no consequence to us anyhow.
 810          */
 811         if (ev.xreparent.parent != self->w_frame) {
 812             reparent = FALSE;
 813             XPutBackEvent(obt_display, &ev);
 814             break;
 815         }
 816     }
 817
 818     if (reparent) {
 819         /* according to the ICCCM - if the client doesn't reparent itself,
 820          then we will reparent the window to root for them */
 821         XReparentWindow(obt_display, self->w_client, RootWindow(
 822                 obt_display, ob_screen), self->area.x,
 823                 self->area.y);
 824     }
 825     frame_engine->frame_ungrab(self->frame, window_map);
 826     obt_main_loop_timeout_remove_data(ob_main_loop, client_flash_timeout, self, TRUE);
 827     frame_engine->frame_free(self->frame);
 828     self->frame = NULL;
 829
 830     if (ob_state() != OB_STATE_EXITING) {
 831         /* these values should not be persisted across a window
 832            unmapping/mapping */
 833         OBT_PROP_ERASE(self->w_client, NET_WM_DESKTOP);
 834         OBT_PROP_ERASE(self->w_client, NET_WM_STATE);
 835         OBT_PROP_ERASE(self->w_client, WM_STATE);
 836     } else {
 837         /* if we're left in an unmapped state, the client wont be mapped.
 838            this is bad, since we will no longer be managing the window on
 839            restart */
 840         XMapWindow(obt_display, self->w_client);
 841     }
 842
 843     /* these should not be left on the window ever.  other window managers
 844        don't necessarily use them and it will mess them up (like compiz) */
 845     OBT_PROP_ERASE(self->w_client, NET_WM_VISIBLE_NAME);
 846     OBT_PROP_ERASE(self->w_client, NET_WM_VISIBLE_ICON_NAME);
 847
 848     /* update the list hints */
 849     client_set_list();
 850
 851     ob_debug("Unmanaged window 0x%lx", self->w_client);
 852
 853     /* free all data allocated in the client struct */
 854     g_slist_free(self->transients);
 855     for (j = 0; j < self->nicons; ++j)
 856         g_free(self->icons[j].data);
 857     if (self->nicons > 0)
 858         g_free(self->icons);
 859     g_free(self->startup_id);
 860     g_free(self->wm_command);
 861     g_free(self->title);
 862     g_free(self->icon_title);
 863     g_free(self->original_title);
 864     g_free(self->name);
 865     g_free(self->class);
 866     g_free(self->role);
 867     g_free(self->client_machine);
 868     g_free(self->sm_client_id);
 869     g_free(self);
 870 }
 871
 872 void client_fake_unmanage(ObClient *self)
 873 {
 874     /* this is all that got allocated to get the decorations */
 875
 876     frame_engine->frame_free(self->frame);
 877     g_free(self);
 878 }
 879
 880 /*! Returns a new structure containing the per-app settings for this client.
 881   The returned structure needs to be freed with g_free. */
 882 static ObAppSettings *client_get_settings_state(ObClient *self)
 883 {
 884     ObAppSettings *settings;
 885     GSList *it;
 886
 887     settings = config_create_app_settings();
 888
 889     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 890         ObAppSettings *app = it->data;
 891         gboolean match = TRUE;
 892
 893         g_assert(app->name != NULL || app->class != NULL);
 894
 895         /* we know that either name or class is not NULL so it will have to
 896            match to use the rule */
 897         if (app->name &&
 898             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 899             match = FALSE;
 900         else if (app->class &&
 901                 !g_pattern_match(app->class,
 902                                  strlen(self->class), self->class, NULL))
 903             match = FALSE;
 904         else if (app->role &&
 905                  !g_pattern_match(app->role,
 906                                   strlen(self->role), self->role, NULL))
 907             match = FALSE;
 908
 909         if (match) {
 910             ob_debug("Window matching: %s", app->name);
 911
 912             /* copy the settings to our struct, overriding the existing
 913                settings if they are not defaults */
 914             config_app_settings_copy_non_defaults(app, settings);
 915         }
 916     }
 917
 918     if (settings->shade != -1)
 919         self->shaded = !!settings->shade;
 920     if (settings->decor != -1)
 921         self->undecorated = !settings->decor;
 922     if (settings->iconic != -1)
 923         self->iconic = !!settings->iconic;
 924     if (settings->skip_pager != -1)
 925         self->skip_pager = !!settings->skip_pager;
 926     if (settings->skip_taskbar != -1)
 927         self->skip_taskbar = !!settings->skip_taskbar;
 928
 929     if (settings->max_vert != -1)
 930         self->max_vert = !!settings->max_vert;
 931     if (settings->max_horz != -1)
 932         self->max_horz = !!settings->max_horz;
 933
 934     if (settings->fullscreen != -1)
 935         self->fullscreen = !!settings->fullscreen;
 936
 937     if (settings->desktop) {
 938         if (settings->desktop == DESKTOP_ALL)
 939             self->desktop = settings->desktop;
 940         else if (settings->desktop > 0 &&
 941                  settings->desktop <= screen_num_desktops)
 942             self->desktop = settings->desktop - 1;
 943     }
 944
 945     if (settings->layer == -1) {
 946         self->below = TRUE;
 947         self->above = FALSE;
 948     }
 949     else if (settings->layer == 0) {
 950         self->below = FALSE;
 951         self->above = FALSE;
 952     }
 953     else if (settings->layer == 1) {
 954         self->below = FALSE;
 955         self->above = TRUE;
 956     }
 957     return settings;
 958 }
 959
 960 static void client_restore_session_state(ObClient *self)
 961 {
 962     GList *it;
 963
 964     ob_debug_type(OB_DEBUG_SM,
 965                   "Restore session for client %s", self->title);
 966
 967     if (!(it = session_state_find(self))) {
 968         ob_debug_type(OB_DEBUG_SM,
 969                       "Session data not found for client %s", self->title);
 970         return;
 971     }
 972
 973     self->session = it->data;
 974
 975     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s",
 976                   self->title);
 977
 978     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 979     self->positioned = USPosition;
 980     self->sized = USSize;
 981     if (self->session->w > 0)
 982         self->area.width = self->session->w;
 983     if (self->session->h > 0)
 984         self->area.height = self->session->h;
 985     XResizeWindow(obt_display, self->w_client,
 986                   self->area.width, self->area.height);
 987
 988     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 989                      self->session->desktop :
 990                      MIN(screen_num_desktops - 1, self->session->desktop));
 991     OBT_PROP_SET32(self->w_client, NET_WM_DESKTOP, CARDINAL, self->desktop);
 992
 993     self->shaded = self->session->shaded;
 994     self->iconic = self->session->iconic;
 995     self->skip_pager = self->session->skip_pager;
 996     self->skip_taskbar = self->session->skip_taskbar;
 997     self->fullscreen = self->session->fullscreen;
 998     self->above = self->session->above;
 999     self->below = self->session->below;
1000     self->max_horz = self->session->max_horz;
1001     self->max_vert = self->session->max_vert;
1002     self->undecorated = self->session->undecorated;
1003
1004     if (self->session->max_horz) {
1005         frame_engine->frame_trigger(self->frame, OB_TRIGGER_MAX_HORZ);
1006     }
1007     else {
1008         frame_engine->frame_trigger(self->frame, OB_TRIGGER_UNMAX_HORZ);
1009     }
1010
1011     if (self->session->max_vert) {
1012         frame_engine->frame_trigger(self->frame, OB_TRIGGER_MAX_VERT);
1013     }
1014     else {
1015         frame_engine->frame_trigger(self->frame, OB_TRIGGER_UNMAX_VERT);
1016     }
1017 }
1018
1019 static gboolean client_restore_session_stacking(ObClient *self)
1020 {
1021     GList *it, *mypos;
1022
1023     if (!self->session) return FALSE;
1024
1025     mypos = g_list_find(session_saved_state, self->session);
1026     if (!mypos) return FALSE;
1027
1028     /* start above me and look for the first client */
1029     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
1030         GList *cit;
1031
1032         for (cit = client_list; cit; cit = g_list_next(cit)) {
1033             ObClient *c = cit->data;
1034             /* found a client that was in the session, so go below it */
1035             if (c->session == it->data) {
1036                 stacking_below(CLIENT_AS_WINDOW(self),
1037                                CLIENT_AS_WINDOW(cit->data));
1038                 return TRUE;
1039             }
1040         }
1041     }
1042     return FALSE;
1043 }
1044
1045 void client_move_onscreen(ObClient *self, gboolean rude)
1046 {
1047     gint x = self->area.x;
1048     gint y = self->area.y;
1049     if (client_find_onscreen(self, &x, &y,
1050                              self->area.width,
1051                              self->area.height, rude)) {
1052         client_move(self, x, y);
1053     }
1054 }
1055
1056 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
1057                               gboolean rude)
1058 {
1059     gint ox = *x, oy = *y;
1060     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
1061     gint fw, fh;
1062     Rect desired;
1063     guint i;
1064     gboolean found_mon;
1065
1066     RECT_SET(desired, *x, *y, w, h);
1067     frame_rect_to_frame(self, &desired);
1068
1069     /* get where the frame would be */
1070     frame_client_gravity(self, x, y);
1071
1072     Strut size;
1073     frame_engine->frame_get_size(self->frame, &size);
1074
1075     /* get the requested size of the window with decorations */
1076     fw = size.left + w + size.right;
1077     fh = size.top + h + size.bottom;
1078
1079     /* If rudeness wasn't requested, then still be rude in a given direction
1080        if the client is not moving, only resizing in that direction */
1081     if (!rude) {
1082         Point oldtl, oldtr, oldbl, oldbr;
1083         Point newtl, newtr, newbl, newbr;
1084         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
1085
1086         Rect area;
1087         frame_engine->frame_get_window_area(self->frame, &area);
1088         POINT_SET(oldtl, area.x, area.y);
1089         POINT_SET(oldbr, area.x + area.width - 1,
1090                   area.y + area.height - 1);
1091         POINT_SET(oldtr, oldbr.x, oldtl.y);
1092         POINT_SET(oldbl, oldtl.x, oldbr.y);
1093
1094         POINT_SET(newtl, *x, *y);
1095         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
1096         POINT_SET(newtr, newbr.x, newtl.y);
1097         POINT_SET(newbl, newtl.x, newbr.y);
1098
1099         /* is it moving or just resizing from some corner? */
1100         stationary_l = oldtl.x == newtl.x;
1101         stationary_r = oldtr.x == newtr.x;
1102         stationary_t = oldtl.y == newtl.y;
1103         stationary_b = oldbl.y == newbl.y;
1104
1105         /* if left edge is growing and didnt move right edge */
1106         if (stationary_r && newtl.x < oldtl.x)
1107             rudel = TRUE;
1108         /* if right edge is growing and didnt move left edge */
1109         if (stationary_l && newtr.x > oldtr.x)
1110             ruder = TRUE;
1111         /* if top edge is growing and didnt move bottom edge */
1112         if (stationary_b && newtl.y < oldtl.y)
1113             rudet = TRUE;
1114         /* if bottom edge is growing and didnt move top edge */
1115         if (stationary_t && newbl.y > oldbl.y)
1116             rudeb = TRUE;
1117     }
1118
1119     /* we iterate through every monitor that the window is at least partially
1120        on, to make sure it is obeying the rules on them all
1121
1122        if the window does not appear on any monitors, then use the first one
1123     */
1124     found_mon = FALSE;
1125     for (i = 0; i < screen_num_monitors; ++i) {
1126         Rect *a;
1127
1128         if (!screen_physical_area_monitor_contains(i, &desired)) {
1129             if (i < screen_num_monitors - 1 || found_mon)
1130                 continue;
1131
1132             /* the window is not inside any monitor! so just use the first
1133                one */
1134             a = screen_area(self->desktop, 0, NULL);
1135         } else {
1136             found_mon = TRUE;
1137             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1138         }
1139
1140         /* This makes sure windows aren't entirely outside of the screen so you
1141            can't see them at all.
1142            It makes sure 10% of the window is on the screen at least. At don't
1143            let it move itself off the top of the screen, which would hide the
1144            titlebar on you. (The user can still do this if they want too, it's
1145            only limiting the application.
1146         */
1147         if (client_normal(self)) {
1148             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1149                 *x = a->x + a->width - fw/10;
1150             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1151                 *y = a->y + a->height - fh/10;
1152             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1153                 *x = a->x - fw*9/10;
1154             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1155                 *y = a->y - fh*9/10;
1156         }
1157
1158         /* This here doesn't let windows even a pixel outside the
1159            struts/screen. When called from client_manage, programs placing
1160            themselves are forced completely onscreen, while things like
1161            xterm -geometry resolution-width/2 will work fine. Trying to
1162            place it completely offscreen will be handled in the above code.
1163            Sorry for this confused comment, i am tired. */
1164         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1165         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1166             *x = a->x + MAX(0, a->width - fw);
1167
1168         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1169         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1170             *y = a->y + MAX(0, a->height - fh);
1171
1172         g_free(a);
1173     }
1174
1175     /* get where the client should be */
1176     frame_frame_gravity(self, x, y);
1177
1178     return ox != *x || oy != *y;
1179 }
1180
1181 static void client_get_all(ObClient *self, gboolean real)
1182 {
1183     /* this is needed for the frame to set itself up */
1184     client_get_area(self);
1185
1186     /* these things can change the decor and functions of the window */
1187
1188     client_get_mwm_hints(self);
1189     /* this can change the mwmhints for special cases */
1190     client_get_type_and_transientness(self);
1191     client_get_state(self);
1192     client_update_normal_hints(self);
1193
1194     /* get the session related properties, these can change decorations
1195        from per-app settings */
1196     client_get_session_ids(self);
1197
1198     /* now we got everything that can affect the decorations */
1199     if (!real)
1200         return;
1201
1202     /* get this early so we have it for debugging */
1203     client_update_title(self);
1204
1205     client_update_protocols(self);
1206
1207     client_update_wmhints(self);
1208     /* this may have already been called from client_update_wmhints */
1209     if (!self->parents && !self->transient_for_group)
1210         client_update_transient_for(self);
1211
1212     client_get_startup_id(self);
1213     client_get_desktop(self);/* uses transient data/group/startup id if a
1214                                 desktop is not specified */
1215     client_get_shaped(self);
1216
1217     {
1218         /* a couple type-based defaults for new windows */
1219
1220         /* this makes sure that these windows appear on all desktops */
1221         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1222             self->desktop = DESKTOP_ALL;
1223     }
1224
1225 #ifdef SYNC
1226     client_update_sync_request_counter(self);
1227 #endif
1228
1229     client_get_colormap(self);
1230     client_update_strut(self);
1231     client_update_icons(self);
1232     client_update_icon_geometry(self);
1233 }
1234
1235 static void client_get_startup_id(ObClient *self)
1236 {
1237     if (!(OBT_PROP_GETS(self->w_client, NET_STARTUP_ID, utf8,
1238                         &self->startup_id)))
1239         if (self->group)
1240             OBT_PROP_GETS(self->group->leader,
1241                           NET_STARTUP_ID, utf8, &self->startup_id);
1242 }
1243
1244 static void client_get_area(ObClient *self)
1245 {
1246     XWindowAttributes wattrib;
1247     Status ret;
1248
1249     ret = XGetWindowAttributes(obt_display, self->w_client, &wattrib);
1250     g_assert(ret != BadWindow);
1251
1252     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1253     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1254     self->border_width = wattrib.border_width;
1255
1256     ob_debug("client area: %d %d  %d %d  bw %d", wattrib.x, wattrib.y,
1257              wattrib.width, wattrib.height, wattrib.border_width);
1258 }
1259
1260 static void client_get_desktop(ObClient *self)
1261 {
1262     guint32 d = screen_num_desktops; /* an always-invalid value */
1263
1264     if (OBT_PROP_GET32(self->w_client, NET_WM_DESKTOP, CARDINAL, &d)) {
1265         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1266             self->desktop = screen_num_desktops - 1;
1267         else
1268             self->desktop = d;
1269         ob_debug("client requested desktop 0x%x", self->desktop);
1270     } else {
1271         GSList *it;
1272         gboolean first = TRUE;
1273         guint all = screen_num_desktops; /* not a valid value */
1274
1275         /* if they are all on one desktop, then open it on the
1276            same desktop */
1277         for (it = self->parents; it; it = g_slist_next(it)) {
1278             ObClient *c = it->data;
1279
1280             if (c->desktop == DESKTOP_ALL) continue;
1281
1282             if (first) {
1283                 all = c->desktop;
1284                 first = FALSE;
1285             }
1286             else if (all != c->desktop)
1287                 all = screen_num_desktops; /* make it invalid */
1288         }
1289         if (all != screen_num_desktops) {
1290             self->desktop = all;
1291
1292             ob_debug("client desktop set from parents: 0x%x",
1293                      self->desktop);
1294         }
1295         /* try get from the startup-notification protocol */
1296         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1297             if (self->desktop >= screen_num_desktops &&
1298                 self->desktop != DESKTOP_ALL)
1299                 self->desktop = screen_num_desktops - 1;
1300             ob_debug("client desktop set from startup-notification: 0x%x",
1301                      self->desktop);
1302         }
1303         /* defaults to the current desktop */
1304         else {
1305             self->desktop = screen_desktop;
1306             ob_debug("client desktop set to the current desktop: %d",
1307                      self->desktop);
1308         }
1309     }
1310 }
1311
1312 static void client_get_state(ObClient *self)
1313 {
1314     guint32 *state;
1315     guint num;
1316
1317     if (OBT_PROP_GETA32(self->w_client, NET_WM_STATE, ATOM, &state, &num)) {
1318         gulong i;
1319         for (i = 0; i < num; ++i) {
1320             if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
1321                 self->modal = TRUE;
1322             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
1323                 self->shaded = TRUE;
1324             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
1325                 self->iconic = TRUE;
1326             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
1327                 self->skip_taskbar = TRUE;
1328             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
1329                 self->skip_pager = TRUE;
1330             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
1331                 self->fullscreen = TRUE;
1332             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT)) {
1333                 self->max_vert = TRUE;
1334                 frame_engine->frame_trigger(self->frame, OB_TRIGGER_MAX_VERT);
1335             }
1336             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ)) {
1337                 self->max_horz = TRUE;
1338                 frame_engine->frame_trigger(self->frame, OB_TRIGGER_MAX_HORZ);
1339             }
1340             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
1341                 self->above = TRUE;
1342             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
1343                 self->below = TRUE;
1344             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
1345                 self->demands_attention = TRUE;
1346             else if (state[i] == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
1347                 self->undecorated = TRUE;
1348         }
1349
1350         g_free(state);
1351     }
1352 }
1353
1354 static void client_get_shaped(ObClient *self)
1355 {
1356     self->shaped = FALSE;
1357 #ifdef   SHAPE
1358     if (obt_display_extension_shape) {
1359         gint foo;
1360         guint ufoo;
1361         gint s;
1362
1363         XShapeSelectInput(obt_display, self->w_client, ShapeNotifyMask);
1364
1365         XShapeQueryExtents(obt_display, self->w_client, &s, &foo,
1366                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1367                            &ufoo);
1368         self->shaped = (s != 0);
1369     }
1370 #endif
1371 }
1372
1373 void client_update_transient_for(ObClient *self)
1374 {
1375     Window t = None;
1376     ObClient *target = NULL;
1377     gboolean trangroup = FALSE;
1378
1379     if (XGetTransientForHint(obt_display, self->w_client, &t)) {
1380         if (t != self->w_client) { /* cant be transient to itself! */
1381             ObWindow *tw = window_find(t);
1382             /* if this happens then we need to check for it*/
1383             g_assert(tw != CLIENT_AS_WINDOW(self));
1384             if (tw && WINDOW_IS_CLIENT(tw)) {
1385                 /* watch out for windows with a parent that is something
1386                    different, like a dockapp for example */
1387                 target = WINDOW_AS_CLIENT(tw);
1388             }
1389         }
1390
1391         /* Setting the transient_for to Root is actually illegal, however
1392            applications from time have done this to specify transient for
1393            their group */
1394         if (!target && self->group && t == obt_root(ob_screen))
1395             trangroup = TRUE;
1396     } else if (self->group && self->transient)
1397         trangroup = TRUE;
1398
1399     client_update_transient_tree(self, self->group, self->group,
1400                                  self->transient_for_group, trangroup,
1401                                  client_direct_parent(self), target);
1402     self->transient_for_group = trangroup;
1403
1404 }
1405
1406 static void client_update_transient_tree(ObClient *self,
1407                                          ObGroup *oldgroup, ObGroup *newgroup,
1408                                          gboolean oldgtran, gboolean newgtran,
1409                                          ObClient* oldparent,
1410                                          ObClient *newparent)
1411 {
1412     GSList *it, *next;
1413     ObClient *c;
1414
1415     g_assert(!oldgtran || oldgroup);
1416     g_assert(!newgtran || newgroup);
1417     g_assert((!oldgtran && !oldparent) ||
1418              (oldgtran && !oldparent) ||
1419              (!oldgtran && oldparent));
1420     g_assert((!newgtran && !newparent) ||
1421              (newgtran && !newparent) ||
1422              (!newgtran && newparent));
1423
1424     /* * *
1425       Group transient windows are not allowed to have other group
1426       transient windows as their children.
1427       * * */
1428
1429
1430     /* No change has occured */
1431     if (oldgroup == newgroup &&
1432         oldgtran == newgtran &&
1433         oldparent == newparent) return;
1434
1435     /** Remove the client from the transient tree **/
1436
1437     for (it = self->transients; it; it = next) {
1438         next = g_slist_next(it);
1439         c = it->data;
1440         self->transients = g_slist_delete_link(self->transients, it);
1441         c->parents = g_slist_remove(c->parents, self);
1442     }
1443     for (it = self->parents; it; it = next) {
1444         next = g_slist_next(it);
1445         c = it->data;
1446         self->parents = g_slist_delete_link(self->parents, it);
1447         c->transients = g_slist_remove(c->transients, self);
1448     }
1449
1450     /** Re-add the client to the transient tree **/
1451
1452     /* If we're transient for a group then we need to add ourselves to all our
1453        parents */
1454     if (newgtran) {
1455         for (it = newgroup->members; it; it = g_slist_next(it)) {
1456             c = it->data;
1457             if (c != self &&
1458                 !client_search_top_direct_parent(c)->transient_for_group &&
1459                 client_normal(c))
1460             {
1461                 c->transients = g_slist_prepend(c->transients, self);
1462                 self->parents = g_slist_prepend(self->parents, c);
1463             }
1464         }
1465     }
1466
1467     /* If we are now transient for a single window we need to add ourselves to
1468        its children
1469
1470        WARNING: Cyclical transient ness is possible if two windows are
1471        transient for eachother.
1472     */
1473     else if (newparent &&
1474              /* don't make ourself its child if it is already our child */
1475              !client_is_direct_child(self, newparent) &&
1476              client_normal(newparent))
1477     {
1478         newparent->transients = g_slist_prepend(newparent->transients, self);
1479         self->parents = g_slist_prepend(self->parents, newparent);
1480     }
1481
1482     /* Add any group transient windows to our children. But if we're transient
1483        for the group, then other group transients are not our children.
1484
1485        WARNING: Cyclical transient-ness is possible. For e.g. if:
1486        A is transient for the group
1487        B is transient for A
1488        C is transient for B
1489        A can't be transient for C or we have a cycle
1490     */
1491     if (!newgtran && newgroup &&
1492         (!newparent ||
1493          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1494         client_normal(self))
1495     {
1496         for (it = newgroup->members; it; it = g_slist_next(it)) {
1497             c = it->data;
1498             if (c != self && c->transient_for_group &&
1499                 /* Don't make it our child if it is already our parent */
1500                 !client_is_direct_child(c, self))
1501             {
1502                 self->transients = g_slist_prepend(self->transients, c);
1503                 c->parents = g_slist_prepend(c->parents, self);
1504             }
1505         }
1506     }
1507
1508     /** If we change our group transient-ness, our children change their
1509         effect group transient-ness, which affects how they relate to other
1510         group windows **/
1511
1512     for (it = self->transients; it; it = g_slist_next(it)) {
1513         c = it->data;
1514         if (!c->transient_for_group)
1515             client_update_transient_tree(c, c->group, c->group,
1516                                          c->transient_for_group,
1517                                          c->transient_for_group,
1518                                          client_direct_parent(c),
1519                                          client_direct_parent(c));
1520     }
1521 }
1522
1523 static void client_get_mwm_hints(ObClient *self)
1524 {
1525     guint num;
1526     guint32 *hints;
1527
1528     self->mwmhints.flags = 0; /* default to none */
1529
1530     if (OBT_PROP_GETA32(self->w_client, MOTIF_WM_HINTS, MOTIF_WM_HINTS,
1531                         &hints, &num)) {
1532         if (num >= OB_MWM_ELEMENTS) {
1533             self->mwmhints.flags = hints[0];
1534             self->mwmhints.functions = hints[1];
1535             self->mwmhints.decorations = hints[2];
1536         }
1537         g_free(hints);
1538     }
1539 }
1540
1541 void client_get_type_and_transientness(ObClient *self)
1542 {
1543     guint num, i;
1544     guint32 *val;
1545     Window t;
1546
1547     self->type = -1;
1548     self->transient = FALSE;
1549
1550     if (OBT_PROP_GETA32(self->w_client, NET_WM_WINDOW_TYPE, ATOM, &val, &num)) {
1551         /* use the first value that we know about in the array */
1552         for (i = 0; i < num; ++i) {
1553             if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP))
1554                 self->type = OB_CLIENT_TYPE_DESKTOP;
1555             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK))
1556                 self->type = OB_CLIENT_TYPE_DOCK;
1557             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR))
1558                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1559             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU))
1560                 self->type = OB_CLIENT_TYPE_MENU;
1561             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY))
1562                 self->type = OB_CLIENT_TYPE_UTILITY;
1563             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH))
1564                 self->type = OB_CLIENT_TYPE_SPLASH;
1565             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG))
1566                 self->type = OB_CLIENT_TYPE_DIALOG;
1567             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL))
1568                 self->type = OB_CLIENT_TYPE_NORMAL;
1569             else if (val[i] == OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE))
1570             {
1571                 /* prevent this window from getting any decor or
1572                    functionality */
1573                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1574                                          OB_MWM_FLAG_DECORATIONS);
1575                 self->mwmhints.decorations = 0;
1576                 self->mwmhints.functions = 0;
1577             }
1578             if (self->type != (ObClientType) -1)
1579                 break; /* grab the first legit type */
1580         }
1581         g_free(val);
1582     }
1583
1584     if (XGetTransientForHint(obt_display, self->w_client, &t))
1585         self->transient = TRUE;
1586
1587     if (self->type == (ObClientType) -1) {
1588         /*the window type hint was not set, which means we either classify
1589           ourself as a normal window or a dialog, depending on if we are a
1590           transient. */
1591         if (self->transient)
1592             self->type = OB_CLIENT_TYPE_DIALOG;
1593         else
1594             self->type = OB_CLIENT_TYPE_NORMAL;
1595     }
1596
1597     /* then, based on our type, we can update our transientness.. */
1598     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1599         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1600         self->type == OB_CLIENT_TYPE_MENU ||
1601         self->type == OB_CLIENT_TYPE_UTILITY)
1602     {
1603         self->transient = TRUE;
1604     }
1605 }
1606
1607 void client_update_protocols(ObClient *self)
1608 {
1609     guint32 *proto;
1610     guint num_ret, i;
1611
1612     self->focus_notify = FALSE;
1613     self->delete_window = FALSE;
1614
1615     if (OBT_PROP_GETA32(self->w_client, WM_PROTOCOLS, ATOM, &proto, &num_ret)) {
1616         for (i = 0; i < num_ret; ++i) {
1617             if (proto[i] == OBT_PROP_ATOM(WM_DELETE_WINDOW))
1618                 /* this means we can request the window to close */
1619                 self->delete_window = TRUE;
1620             else if (proto[i] == OBT_PROP_ATOM(WM_TAKE_FOCUS))
1621                 /* if this protocol is requested, then the window will be
1622                    notified whenever we want it to receive focus */
1623                 self->focus_notify = TRUE;
1624             else if (proto[i] == OBT_PROP_ATOM(NET_WM_PING))
1625                 /* if this protocol is requested, then the window will allow
1626                    pings to determine if it is still alive */
1627                 self->ping = TRUE;
1628 #ifdef SYNC
1629             else if (proto[i] == OBT_PROP_ATOM(NET_WM_SYNC_REQUEST))
1630                 /* if this protocol is requested, then resizing the
1631                    window will be synchronized between the frame and the
1632                    client */
1633                 self->sync_request = TRUE;
1634 #endif
1635         }
1636         g_free(proto);
1637     }
1638 }
1639
1640 #ifdef SYNC
1641 void client_update_sync_request_counter(ObClient *self)
1642 {
1643     guint32 i;
1644
1645     if (OBT_PROP_GET32(self->w_client, NET_WM_SYNC_REQUEST_COUNTER, CARDINAL,&i))
1646     {
1647         self->sync_counter = i;
1648     } else
1649         self->sync_counter = None;
1650 }
1651 #endif
1652
1653 static void client_get_colormap(ObClient *self)
1654 {
1655     XWindowAttributes wa;
1656
1657     if (XGetWindowAttributes(obt_display, self->w_client, &wa))
1658         client_update_colormap(self, wa.colormap);
1659 }
1660
1661 void client_update_colormap(ObClient *self, Colormap colormap)
1662 {
1663     if (colormap == self->colormap) return;
1664
1665     ob_debug("Setting client %s colormap: 0x%x", self->title, colormap);
1666
1667     if (client_focused(self)) {
1668         screen_install_colormap(self, FALSE); /* uninstall old one */
1669         self->colormap = colormap;
1670         screen_install_colormap(self, FALSE); /* install new one */
1671     } else
1672         self->colormap = colormap;
1673 }
1674
1675 void client_update_normal_hints(ObClient *self)
1676 {
1677     XSizeHints size;
1678     glong ret;
1679
1680     /* defaults */
1681     self->min_ratio = 0.0f;
1682     self->max_ratio = 0.0f;
1683     SIZE_SET(self->size_inc, 1, 1);
1684     SIZE_SET(self->base_size, 0, 0);
1685     SIZE_SET(self->min_size, 0, 0);
1686     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1687
1688     /* get the hints from the window */
1689     if (XGetWMNormalHints(obt_display, self->w_client, &size, &ret)) {
1690         /* normal windows can't request placement! har har
1691         if (!client_normal(self))
1692         */
1693         self->positioned = (size.flags & (PPosition|USPosition));
1694         self->sized = (size.flags & (PSize|USSize));
1695
1696         if (size.flags & PWinGravity)
1697             self->gravity = size.win_gravity;
1698
1699         if (size.flags & PAspect) {
1700             if (size.min_aspect.y)
1701                 self->min_ratio =
1702                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1703             if (size.max_aspect.y)
1704                 self->max_ratio =
1705                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1706         }
1707
1708         if (size.flags & PMinSize)
1709             SIZE_SET(self->min_size, size.min_width, size.min_height);
1710
1711         if (size.flags & PMaxSize)
1712             SIZE_SET(self->max_size, size.max_width, size.max_height);
1713
1714         if (size.flags & PBaseSize)
1715             SIZE_SET(self->base_size, size.base_width, size.base_height);
1716
1717         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1718             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1719
1720         ob_debug("Normal hints: min size (%d %d) max size (%d %d)",
1721                  self->min_size.width, self->min_size.height,
1722                  self->max_size.width, self->max_size.height);
1723         ob_debug("size inc (%d %d) base size (%d %d)",
1724                  self->size_inc.width, self->size_inc.height,
1725                  self->base_size.width, self->base_size.height);
1726     }
1727     else
1728         ob_debug("Normal hints: not set");
1729 }
1730
1731 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1732 {
1733     /* start with everything (cept fullscreen) */
1734     self->decorations =
1735         (OB_FRAME_DECOR_TITLEBAR |
1736          OB_FRAME_DECOR_HANDLE |
1737          OB_FRAME_DECOR_GRIPS |
1738          OB_FRAME_DECOR_BORDER |
1739          OB_FRAME_DECOR_ICON |
1740          OB_FRAME_DECOR_ALLDESKTOPS |
1741          OB_FRAME_DECOR_ICONIFY |
1742          OB_FRAME_DECOR_MAXIMIZE |
1743          OB_FRAME_DECOR_SHADE |
1744          OB_FRAME_DECOR_CLOSE);
1745     self->functions =
1746         (OB_CLIENT_FUNC_RESIZE |
1747          OB_CLIENT_FUNC_MOVE |
1748          OB_CLIENT_FUNC_ICONIFY |
1749          OB_CLIENT_FUNC_MAXIMIZE |
1750          OB_CLIENT_FUNC_SHADE |
1751          OB_CLIENT_FUNC_CLOSE |
1752          OB_CLIENT_FUNC_BELOW |
1753          OB_CLIENT_FUNC_ABOVE |
1754          OB_CLIENT_FUNC_UNDECORATE);
1755
1756     if (!(self->min_size.width < self->max_size.width ||
1757           self->min_size.height < self->max_size.height))
1758         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1759
1760     switch (self->type) {
1761     case OB_CLIENT_TYPE_NORMAL:
1762         /* normal windows retain all of the possible decorations and
1763            functionality, and can be fullscreen */
1764         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1765         break;
1766
1767     case OB_CLIENT_TYPE_DIALOG:
1768         /* sometimes apps make dialog windows fullscreen for some reason (for
1769            e.g. kpdf does this..) */
1770         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1771         break;
1772
1773     case OB_CLIENT_TYPE_UTILITY:
1774         /* these windows don't have anything added or removed by default */
1775         break;
1776
1777     case OB_CLIENT_TYPE_MENU:
1778     case OB_CLIENT_TYPE_TOOLBAR:
1779         /* these windows can't iconify or maximize */
1780         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1781                                OB_FRAME_DECOR_MAXIMIZE);
1782         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1783                              OB_CLIENT_FUNC_MAXIMIZE);
1784         break;
1785
1786     case OB_CLIENT_TYPE_SPLASH:
1787         /* these don't get get any decorations, and the only thing you can
1788            do with them is move them */
1789         self->decorations = 0;
1790         self->functions = OB_CLIENT_FUNC_MOVE;
1791         break;
1792
1793     case OB_CLIENT_TYPE_DESKTOP:
1794         /* these windows are not manipulated by the window manager */
1795         self->decorations = 0;
1796         self->functions = 0;
1797         break;
1798
1799     case OB_CLIENT_TYPE_DOCK:
1800         /* these windows are not manipulated by the window manager, but they
1801            can set below layer which has a special meaning */
1802         self->decorations = 0;
1803         self->functions = OB_CLIENT_FUNC_BELOW;
1804         break;
1805     }
1806
1807     /* Mwm Hints are applied subtractively to what has already been chosen for
1808        decor and functionality */
1809     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1810         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1811             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1812                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1813             {
1814                 /* if the mwm hints request no handle or title, then all
1815                    decorations are disabled, but keep the border if that's
1816                    specified */
1817                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1818                     self->decorations = OB_FRAME_DECOR_BORDER;
1819                 else
1820                     self->decorations = 0;
1821             }
1822         }
1823     }
1824
1825     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1826         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1827             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1828                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1829             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1830                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1831             /* dont let mwm hints kill any buttons
1832                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1833                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1834                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1835                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1836             */
1837             /* dont let mwm hints kill the close button
1838                if (! (self->mwmhints.functions & MwmFunc_Close))
1839                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1840         }
1841     }
1842
1843     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1844         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1845     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1846         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1847     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1848         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1849
1850     /* can't maximize without moving/resizing */
1851     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1852           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1853           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1854         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1855         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1856     }
1857
1858     if (self->max_horz && self->max_vert) {
1859         /* you can't resize fully maximized windows */
1860         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1861         /* kill the handle on fully maxed windows */
1862         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1863     }
1864
1865     /* If there are no decorations to remove, don't allow the user to try
1866        toggle the state */
1867     if (self->decorations == 0)
1868         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1869
1870     /* finally, the user can have requested no decorations, which overrides
1871        everything (but doesnt give it a border if it doesnt have one) */
1872     if (self->undecorated)
1873         self->decorations = 0;
1874
1875     /* if we don't have a titlebar, then we cannot shade! */
1876     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1877         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1878
1879     /* now we need to check against rules for the client's current state */
1880     if (self->fullscreen) {
1881         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1882                             OB_CLIENT_FUNC_FULLSCREEN |
1883                             OB_CLIENT_FUNC_ICONIFY);
1884         self->decorations = 0;
1885     }
1886
1887     client_change_allowed_actions(self);
1888
1889     if (reconfig)
1890         /* force reconfigure to make sure decorations are updated */
1891         client_reconfigure(self, TRUE);
1892 }
1893
1894 static void client_change_allowed_actions(ObClient *self)
1895 {
1896     gulong actions[12];
1897     gint num = 0;
1898
1899     /* desktop windows are kept on all desktops */
1900     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1901         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
1902
1903     if (self->functions & OB_CLIENT_FUNC_SHADE)
1904         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
1905     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1906         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
1907     if (self->functions & OB_CLIENT_FUNC_MOVE)
1908         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
1909     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1910         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
1911     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1912         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
1913     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1914         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
1915     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1916         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
1917         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
1918     }
1919     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1920         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
1921     if (self->functions & OB_CLIENT_FUNC_BELOW)
1922         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
1923     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1924         actions[num++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
1925
1926     OBT_PROP_SETA32(self->w_client, NET_WM_ALLOWED_ACTIONS, ATOM, actions, num);
1927
1928     /* make sure the window isn't breaking any rules now
1929
1930        don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1931        it can't be iconified with its parent
1932     */
1933
1934     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1935         if (self->frame) client_shade(self, FALSE);
1936         else self->shaded = FALSE;
1937     }
1938     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1939         if (self->frame) client_fullscreen(self, FALSE);
1940         else self->fullscreen = FALSE;
1941     }
1942     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1943                                                          self->max_vert)) {
1944         if (self->frame) client_maximize(self, FALSE, 0);
1945         else {
1946             self->max_vert = self->max_horz = FALSE;
1947             frame_engine->frame_trigger (self->frame, OB_TRIGGER_UNMAX_VERT);
1948             frame_engine->frame_trigger (self->frame, OB_TRIGGER_UNMAX_HORZ);
1949         }
1950
1951     }
1952 }
1953
1954 void client_update_wmhints(ObClient *self)
1955 {
1956     XWMHints *hints;
1957
1958     /* assume a window takes input if it doesnt specify */
1959     self->can_focus = TRUE;
1960
1961     if ((hints = XGetWMHints(obt_display, self->w_client)) != NULL) {
1962         gboolean ur;
1963
1964         if (hints->flags & InputHint)
1965             self->can_focus = hints->input;
1966
1967         /* only do this when first managing the window *AND* when we aren't
1968            starting up! */
1969         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1970             if (hints->flags & StateHint)
1971                 self->iconic = hints->initial_state == IconicState;
1972
1973         ur = self->urgent;
1974         self->urgent = (hints->flags & XUrgencyHint);
1975         if (self->urgent && !ur)
1976             client_hilite(self, TRUE);
1977         else if (!self->urgent && ur && self->demands_attention)
1978             client_hilite(self, FALSE);
1979
1980         if (!(hints->flags & WindowGroupHint))
1981             hints->window_group = None;
1982
1983         /* did the group state change? */
1984         if (hints->window_group !=
1985             (self->group ? self->group->leader : None))
1986         {
1987             ObGroup *oldgroup = self->group;
1988
1989             /* remove from the old group if there was one */
1990             if (self->group != NULL) {
1991                 group_remove(self->group, self);
1992                 self->group = NULL;
1993             }
1994
1995             /* add ourself to the group if we have one */
1996             if (hints->window_group != None) {
1997                 self->group = group_add(hints->window_group, self);
1998             }
1999
2000             /* Put ourselves into the new group's transient tree, and remove
2001                ourselves from the old group's */
2002             client_update_transient_tree(self, oldgroup, self->group,
2003                                          self->transient_for_group,
2004                                          self->transient_for_group,
2005                                          client_direct_parent(self),
2006                                          client_direct_parent(self));
2007
2008             /* Lastly, being in a group, or not, can change if the window is
2009                transient for anything.
2010
2011                The logic for this is:
2012                self->transient = TRUE always if the window wants to be
2013                transient for something, even if transient_for was NULL because
2014                it wasn't in a group before.
2015
2016                If parents was NULL and oldgroup was NULL we can assume
2017                that when we add the new group, it will become transient for
2018                something.
2019
2020                If transient_for_group is TRUE, then it must have already
2021                had a group. If it is getting a new group, the above call to
2022                client_update_transient_tree has already taken care of
2023                everything ! If it is losing all group status then it will
2024                no longer be transient for anything and that needs to be
2025                updated.
2026             */
2027             if (self->transient &&
2028                 ((self->parents == NULL && oldgroup == NULL) ||
2029                  (self->transient_for_group && !self->group)))
2030                 client_update_transient_for(self);
2031         }
2032
2033         /* the WM_HINTS can contain an icon */
2034         if (hints->flags & IconPixmapHint)
2035             client_update_icons(self);
2036
2037         XFree(hints);
2038     }
2039 }
2040
2041 void client_update_title(ObClient *self)
2042 {
2043     gchar *data = NULL;
2044     gchar *visible = NULL;
2045
2046     g_free(self->title);
2047     g_free(self->original_title);
2048
2049     /* try netwm */
2050     if (!OBT_PROP_GETS(self->w_client, NET_WM_NAME, utf8, &data)) {
2051         /* try old x stuff */
2052         if (!(OBT_PROP_GETS(self->w_client, WM_NAME, locale, &data)
2053               || OBT_PROP_GETS(self->w_client, WM_NAME, utf8, &data))) {
2054             if (self->transient) {
2055     /*
2056     GNOME alert windows are not given titles:
2057     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
2058     */
2059                 data = g_strdup("");
2060             } else
2061                 data = g_strdup("Unnamed Window");
2062         }
2063     }
2064     self->original_title = g_strdup(data);
2065
2066     if (self->client_machine) {
2067         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2068         g_free(data);
2069     } else
2070         visible = data;
2071
2072     if (self->not_responding) {
2073         data = visible;
2074         if (self->kill_level > 0)
2075             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2076         else
2077             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2078         g_free(data);
2079     }
2080
2081     OBT_PROP_SETS(self->w_client, NET_WM_VISIBLE_NAME, utf8, visible);
2082     self->title = visible;
2083
2084     if (self->frame) {
2085         /* update title render */
2086         frame_engine->frame_update_title (self->frame, self->title);
2087         frame_engine->frame_update_skin (self->frame);
2088     }
2089
2090     /* update the icon title */
2091     data = NULL;
2092     g_free(self->icon_title);
2093
2094     /* try netwm */
2095     if (!OBT_PROP_GETS(self->w_client, NET_WM_ICON_NAME, utf8, &data))
2096         /* try old x stuff */
2097         if (!(OBT_PROP_GETS(self->w_client, WM_ICON_NAME, locale, &data) ||
2098               OBT_PROP_GETS(self->w_client, WM_ICON_NAME, utf8, &data)))
2099             data = g_strdup(self->title);
2100
2101     if (self->client_machine) {
2102         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2103         g_free(data);
2104     } else
2105         visible = data;
2106
2107     if (self->not_responding) {
2108         data = visible;
2109         if (self->kill_level > 0)
2110             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2111         else
2112             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2113         g_free(data);
2114     }
2115
2116     OBT_PROP_SETS(self->w_client, NET_WM_VISIBLE_ICON_NAME, utf8, visible);
2117     self->icon_title = visible;
2118 }
2119
2120 void client_update_strut(ObClient *self)
2121 {
2122     guint num;
2123     guint32 *data;
2124     gboolean got = FALSE;
2125     StrutPartial strut;
2126
2127     if (OBT_PROP_GETA32(self->w_client, NET_WM_STRUT_PARTIAL, CARDINAL,
2128                         &data, &num))
2129     {
2130         if (num == 12) {
2131             got = TRUE;
2132             STRUT_PARTIAL_SET(strut,
2133                               data[0], data[2], data[1], data[3],
2134                               data[4], data[5], data[8], data[9],
2135                               data[6], data[7], data[10], data[11]);
2136         }
2137         g_free(data);
2138     }
2139
2140     if (!got &&
2141         OBT_PROP_GETA32(self->w_client, NET_WM_STRUT, CARDINAL, &data, &num)) {
2142         if (num == 4) {
2143             Rect *a;
2144
2145             got = TRUE;
2146
2147             /* use the screen's width/height */
2148             a = screen_physical_area_all_monitors();
2149
2150             STRUT_PARTIAL_SET(strut,
2151                               data[0], data[2], data[1], data[3],
2152                               a->y, a->y + a->height - 1,
2153                               a->x, a->x + a->width - 1,
2154                               a->y, a->y + a->height - 1,
2155                               a->x, a->x + a->width - 1);
2156             g_free(a);
2157         }
2158         g_free(data);
2159     }
2160
2161     if (!got)
2162         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2163                           0, 0, 0, 0, 0, 0, 0, 0);
2164
2165     if (!STRUT_EQUAL(strut, self->strut)) {
2166         self->strut = strut;
2167
2168         /* updating here is pointless while we're being mapped cuz we're not in
2169            the client list yet */
2170         if (self->frame)
2171             screen_update_areas();
2172     }
2173 }
2174
2175 /* Avoid storing icons above this size if possible */
2176 #define AVOID_ABOVE 64
2177
2178 void client_update_icons(ObClient *self)
2179 {
2180     guint num;
2181     guint32 *data;
2182     guint w, h, i, j;
2183     guint num_seen;  /* number of icons present */
2184     guint num_small_seen;  /* number of icons small enough present */
2185     guint smallest, smallest_area;
2186
2187     for (i = 0; i < self->nicons; ++i)
2188         g_free(self->icons[i].data);
2189     if (self->nicons > 0)
2190         g_free(self->icons);
2191     self->nicons = 0;
2192
2193     if (OBT_PROP_GETA32(self->w_client, NET_WM_ICON, CARDINAL, &data, &num)) {
2194         /* figure out how many valid icons are in here */
2195         i = 0;
2196         num_seen = num_small_seen = 0;
2197         smallest = smallest_area = 0;
2198         if (num > 2)
2199             while (i < num) {
2200                 w = data[i++];
2201                 h = data[i++];
2202                 i += w * h;
2203                 /* watch for it being too small for the specified size, or for
2204                    zero sized icons. */
2205                 if (i > num || w == 0 || h == 0) break;
2206
2207                 if (!smallest_area || w*h < smallest_area) {
2208                     smallest = num_seen;
2209                     smallest_area = w*h;
2210                 }
2211                 ++num_seen;
2212                 if (w <= AVOID_ABOVE && h <= AVOID_ABOVE)
2213                     ++num_small_seen;
2214             }
2215         if (num_small_seen > 0)
2216             self->nicons = num_small_seen;
2217         else if (num_seen)
2218             self->nicons = 1;
2219
2220         self->icons = g_new(ObClientIcon, self->nicons);
2221
2222         /* store the icons */
2223         i = 0;
2224         for (j = 0; j < self->nicons;) {
2225             guint x, y, t;
2226
2227             w = self->icons[j].width = data[i++];
2228             h = self->icons[j].height = data[i++];
2229
2230             /* if there are some icons smaller than the threshold, we're
2231                skipping all the ones above */
2232             if (num_small_seen > 0) {
2233                 if (w > AVOID_ABOVE || h > AVOID_ABOVE) {
2234                     i += w*h;
2235                     continue;
2236                 }
2237             }
2238             /* if there were no icons smaller than the threshold, then we are
2239                only taking the smallest available one we saw */
2240             else if (j != smallest) {
2241                 i += w*h;
2242                 continue;
2243             }
2244
2245             self->icons[j].data = g_new(RrPixel32, w * h);
2246             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2247                 if (x >= w) {
2248                     x = 0;
2249                     ++y;
2250                 }
2251                 self->icons[j].data[t] =
2252                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2253                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2254                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2255                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2256             }
2257             g_assert(i <= num);
2258
2259             ++j;
2260         }
2261
2262         g_free(data);
2263     } else {
2264         XWMHints *hints;
2265
2266         if ((hints = XGetWMHints(obt_display, self->w_client))) {
2267             if (hints->flags & IconPixmapHint) {
2268                 self->nicons = 1;
2269                 self->icons = g_new(ObClientIcon, self->nicons);
2270                 obt_display_ignore_errors(TRUE);
2271                 if (!RrPixmapToRGBA(ob_rr_inst,
2272                                     hints->icon_pixmap,
2273                                     (hints->flags & IconMaskHint ?
2274                                      hints->icon_mask : None),
2275                                     &self->icons[0].width,
2276                                     &self->icons[0].height,
2277                                     &self->icons[0].data))
2278                 {
2279                     g_free(self->icons);
2280                     self->nicons = 0;
2281                 }
2282                 obt_display_ignore_errors(FALSE);
2283             }
2284             XFree(hints);
2285         }
2286     }
2287
2288     /* set the default icon onto the window
2289        in theory, this could be a race, but if a window doesn't set an icon
2290        or removes it entirely, it's not very likely it is going to set one
2291        right away afterwards
2292
2293        if it has parents, then one of them will have an icon already
2294     */
2295     if (self->nicons == 0 && !self->parents) {
2296         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2297         gulong *data;
2298
2299         data = g_new(gulong, 48*48+2);
2300         data[0] = data[1] =  48;
2301         for (i = 0; i < 48*48; ++i)
2302             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2303                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2304                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2305                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2306         OBT_PROP_SETA32(self->w_client, NET_WM_ICON, CARDINAL, data, 48*48+2);
2307         g_free(data);
2308     } else if (self->frame)
2309         frame_engine->frame_update_skin (self->frame);
2310         /* don't draw the icon empty if we're just setting one now anyways,
2311            we'll get the property change any second */
2312         //frame_adjust_icon(self->frame);
2313 }
2314
2315 void client_update_icon_geometry(ObClient *self)
2316 {
2317     guint num;
2318     guint32 *data;
2319
2320     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2321
2322     if (OBT_PROP_GETA32(self->w_client, NET_WM_ICON_GEOMETRY, CARDINAL,
2323                         &data, &num))
2324     {
2325         if (num == 4)
2326             /* don't let them set it with an area < 0 */
2327             RECT_SET(self->icon_geometry, data[0], data[1],
2328                      MAX(data[2],0), MAX(data[3],0));
2329         g_free(data);
2330     }
2331 }
2332
2333 static void client_get_session_ids(ObClient *self)
2334 {
2335     guint32 leader;
2336     gboolean got;
2337     gchar *s;
2338     gchar **ss;
2339
2340     if (!OBT_PROP_GET32(self->w_client, WM_CLIENT_LEADER, WINDOW, &leader))
2341         leader = None;
2342
2343     /* get the SM_CLIENT_ID */
2344     got = FALSE;
2345     if (leader)
2346         got = OBT_PROP_GETS(leader, SM_CLIENT_ID, locale, &self->sm_client_id);
2347     if (!got)
2348         OBT_PROP_GETS(self->w_client, SM_CLIENT_ID, locale, &self->sm_client_id);
2349
2350     /* get the WM_CLASS (name and class). make them "" if they are not
2351        provided */
2352     got = FALSE;
2353     if (leader)
2354         got = OBT_PROP_GETSS(leader, WM_CLASS, locale, &ss);
2355     if (!got)
2356         got = OBT_PROP_GETSS(self->w_client, WM_CLASS, locale, &ss);
2357
2358     if (got) {
2359         if (ss[0]) {
2360             self->name = g_strdup(ss[0]);
2361             if (ss[1])
2362                 self->class = g_strdup(ss[1]);
2363         }
2364         g_strfreev(ss);
2365     }
2366
2367     if (self->name == NULL) self->name = g_strdup("");
2368     if (self->class == NULL) self->class = g_strdup("");
2369
2370     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2371     got = FALSE;
2372     if (leader)
2373         got = OBT_PROP_GETS(leader, WM_WINDOW_ROLE, locale, &s);
2374     if (!got)
2375         got = OBT_PROP_GETS(self->w_client, WM_WINDOW_ROLE, locale, &s);
2376
2377     if (got)
2378         self->role = s;
2379     else
2380         self->role = g_strdup("");
2381
2382     /* get the WM_COMMAND */
2383     got = FALSE;
2384
2385     if (leader)
2386         got = OBT_PROP_GETSS(leader, WM_COMMAND, locale, &ss);
2387     if (!got)
2388         got = OBT_PROP_GETSS(self->w_client, WM_COMMAND, locale, &ss);
2389
2390     if (got) {
2391         /* merge/mash them all together */
2392         gchar *merge = NULL;
2393         gint i;
2394
2395         for (i = 0; ss[i]; ++i) {
2396             gchar *tmp = merge;
2397             if (merge)
2398                 merge = g_strconcat(merge, ss[i], NULL);
2399             else
2400                 merge = g_strconcat(ss[i], NULL);
2401             g_free(tmp);
2402         }
2403         g_strfreev(ss);
2404
2405         self->wm_command = merge;
2406     }
2407
2408     /* get the WM_CLIENT_MACHINE */
2409     got = FALSE;
2410     if (leader)
2411         got = OBT_PROP_GETS(leader, WM_CLIENT_MACHINE, locale, &s);
2412     if (!got)
2413         got = OBT_PROP_GETS(self->w_client, WM_CLIENT_MACHINE, locale, &s);
2414
2415     if (got) {
2416         gchar localhost[128];
2417         guint32 pid;
2418
2419         gethostname(localhost, 127);
2420         localhost[127] = '\0';
2421         if (strcmp(localhost, s) != 0)
2422             self->client_machine = s;
2423         else
2424             g_free(s);
2425
2426         /* see if it has the PID set too (the PID requires that the
2427            WM_CLIENT_MACHINE be set) */
2428         if (OBT_PROP_GET32(self->w_client, NET_WM_PID, CARDINAL, &pid))
2429             self->pid = pid;
2430     }
2431 }
2432
2433 static void client_change_wm_state(ObClient *self)
2434 {
2435     gulong state[2];
2436     glong old;
2437
2438     old = self->wmstate;
2439
2440     if (self->shaded || self->iconic ||
2441         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2442     {
2443         self->wmstate = IconicState;
2444     } else
2445         self->wmstate = NormalState;
2446
2447     if (old != self->wmstate) {
2448         OBT_PROP_MSG(ob_screen, self->w_client, KDE_WM_CHANGE_STATE,
2449                      self->wmstate, 1, 0, 0, 0);
2450
2451         state[0] = self->wmstate;
2452         state[1] = None;
2453         OBT_PROP_SETA32(self->w_client, WM_STATE, WM_STATE, state, 2);
2454     }
2455 }
2456
2457 static void client_change_state(ObClient *self)
2458 {
2459     gulong netstate[12];
2460     guint num;
2461
2462     num = 0;
2463     if (self->modal)
2464         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
2465     if (self->shaded)
2466         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
2467     if (self->iconic)
2468         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
2469     if (self->skip_taskbar)
2470         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
2471     if (self->skip_pager)
2472         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
2473     if (self->fullscreen)
2474         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
2475     if (self->max_vert)
2476         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
2477     if (self->max_horz)
2478         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
2479     if (self->above)
2480         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
2481     if (self->below)
2482         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
2483     if (self->demands_attention)
2484         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
2485     if (self->undecorated)
2486         netstate[num++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
2487     OBT_PROP_SETA32(self->w_client, NET_WM_STATE, ATOM, netstate, num);
2488
2489     if (self->frame)
2490     {
2491         frame_engine->frame_update_layout (self->frame, self->area, FALSE, FALSE);
2492         /* if this occurs while we are focus cycling, the indicator needs to
2493          match the changes */
2494         if (focus_cycle_target == self)
2495             focus_cycle_draw_indicator(self);
2496     }
2497 }
2498
2499 ObClient *client_search_focus_tree(ObClient *self)
2500 {
2501     GSList *it;
2502     ObClient *ret;
2503
2504     for (it = self->transients; it; it = g_slist_next(it)) {
2505         if (client_focused(it->data)) return it->data;
2506         if ((ret = client_search_focus_tree(it->data))) return ret;
2507     }
2508     return NULL;
2509 }
2510
2511 ObClient *client_search_focus_tree_full(ObClient *self)
2512 {
2513     if (self->parents) {
2514         GSList *it;
2515
2516         for (it = self->parents; it; it = g_slist_next(it)) {
2517             ObClient *c = it->data;
2518             if ((c = client_search_focus_tree_full(it->data))) return c;
2519         }
2520
2521         return NULL;
2522     }
2523     else {
2524         /* this function checks the whole tree, the client_search_focus_tree
2525            does not, so we need to check this window */
2526         if (client_focused(self))
2527             return self;
2528         return client_search_focus_tree(self);
2529     }
2530 }
2531
2532 ObClient *client_search_focus_group_full(ObClient *self)
2533 {
2534     GSList *it;
2535
2536     if (self->group) {
2537         for (it = self->group->members; it; it = g_slist_next(it)) {
2538             ObClient *c = it->data;
2539
2540             if (client_focused(c)) return c;
2541             if ((c = client_search_focus_tree(it->data))) return c;
2542         }
2543     } else
2544         if (client_focused(self)) return self;
2545     return NULL;
2546 }
2547
2548 gboolean client_has_parent(ObClient *self)
2549 {
2550     return self->parents != NULL;
2551 }
2552
2553 static ObStackingLayer calc_layer(ObClient *self)
2554 {
2555     ObStackingLayer l;
2556     Rect *monitor;
2557
2558     monitor = screen_physical_area_monitor(client_monitor(self));
2559
2560     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2561         l = OB_STACKING_LAYER_DESKTOP;
2562     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2563         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2564         else l = OB_STACKING_LAYER_ABOVE;
2565     }
2566     else if ((self->fullscreen ||
2567               /* No decorations and fills the monitor = oldskool fullscreen.
2568                  But not for maximized windows.
2569               */
2570               (self->decorations == 0 &&
2571                !(self->max_horz && self->max_vert) &&
2572                RECT_EQUAL(self->area, *monitor))) &&
2573              /* you are fullscreen while you or your children are focused.. */
2574              (client_focused(self) || client_search_focus_tree(self) ||
2575               /* you can be fullscreen if you're on another desktop */
2576               (self->desktop != screen_desktop &&
2577                self->desktop != DESKTOP_ALL) ||
2578               /* and you can also be fullscreen if the focused client is on
2579                  another monitor, or nothing else is focused */
2580               (!focus_client ||
2581                client_monitor(focus_client) != client_monitor(self))))
2582         l = OB_STACKING_LAYER_FULLSCREEN;
2583     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2584     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2585     else l = OB_STACKING_LAYER_NORMAL;
2586
2587     g_free(monitor);
2588
2589     return l;
2590 }
2591
2592 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2593                                         ObStackingLayer min)
2594 {
2595     ObStackingLayer old, own;
2596     GSList *it;
2597
2598     old = self->layer;
2599     own = calc_layer(self);
2600     self->layer = MAX(own, min);
2601
2602     if (self->layer != old) {
2603         stacking_remove(CLIENT_AS_WINDOW(self));
2604         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2605     }
2606
2607     /* we've been restacked */
2608     self->visited = TRUE;
2609
2610     for (it = self->transients; it; it = g_slist_next(it))
2611         client_calc_layer_recursive(it->data, orig,
2612                                     self->layer);
2613 }
2614
2615 static void client_calc_layer_internal(ObClient *self)
2616 {
2617     GSList *sit;
2618
2619     /* transients take on the layer of their parents */
2620     sit = client_search_all_top_parents(self);
2621
2622     for (; sit; sit = g_slist_next(sit))
2623         client_calc_layer_recursive(sit->data, self, 0);
2624 }
2625
2626 void client_calc_layer(ObClient *self)
2627 {
2628     GList *it;
2629
2630     /* skip over stuff above fullscreen layer */
2631     for (it = stacking_list; it; it = g_list_next(it))
2632         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2633
2634     /* find the windows in the fullscreen layer, and mark them not-visited */
2635     for (; it; it = g_list_next(it)) {
2636         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2637         else if (WINDOW_IS_CLIENT(it->data))
2638             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2639     }
2640
2641     client_calc_layer_internal(self);
2642
2643     /* skip over stuff above fullscreen layer */
2644     for (it = stacking_list; it; it = g_list_next(it))
2645         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2646
2647     /* now recalc any windows in the fullscreen layer which have not
2648        had their layer recalced already */
2649     for (; it; it = g_list_next(it)) {
2650         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2651         else if (WINDOW_IS_CLIENT(it->data) &&
2652                  !WINDOW_AS_CLIENT(it->data)->visited)
2653             client_calc_layer_internal(it->data);
2654     }
2655 }
2656
2657 gboolean client_should_show(ObClient *self)
2658 {
2659     if (self->iconic)
2660         return FALSE;
2661     if (client_normal(self) && screen_showing_desktop)
2662         return FALSE;
2663     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2664         return TRUE;
2665
2666     return FALSE;
2667 }
2668
2669 gboolean client_show(ObClient *self)
2670 {
2671     gboolean show = FALSE;
2672
2673     if (client_should_show(self)) {
2674         /* replay pending pointer event before showing the window, in case it
2675            should be going to something under the window */
2676         mouse_replay_pointer();
2677
2678         client_show_frame(self);
2679         show = TRUE;
2680
2681         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2682            it needs to be in IconicState. This includes when it is on another
2683            desktop!
2684         */
2685         client_change_wm_state(self);
2686     }
2687     return show;
2688 }
2689
2690 gboolean client_hide(ObClient *self)
2691 {
2692     gboolean hide = FALSE;
2693
2694     if (!client_should_show(self)) {
2695         if (self == focus_client) {
2696             /* if there is a grab going on, then we need to cancel it. if we
2697                move focus during the grab, applications will get
2698                NotifyWhileGrabbed events and ignore them !
2699
2700                actions should not rely on being able to move focus during an
2701                interactive grab.
2702             */
2703             event_cancel_all_key_grabs();
2704         }
2705
2706         /* We don't need to ignore enter events here.
2707            The window can hide/iconify in 3 different ways:
2708            1 - through an x message. in this case we ignore all enter events
2709                caused by responding to the x message (unless underMouse)
2710            2 - by a keyboard action. in this case we ignore all enter events
2711                caused by the action
2712            3 - by a mouse action. in this case they are doing stuff with the
2713                mouse and focus _should_ move.
2714
2715            Also in action_end, we simulate an enter event that can't be ignored
2716            so trying to ignore them is futile in case 3 anyways
2717         */
2718
2719         /* replay pending pointer event before hiding the window, in case it
2720            should be going to the window */
2721         mouse_replay_pointer();
2722
2723         client_hide_frame(self);
2724         hide = TRUE;
2725
2726         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2727            it needs to be in IconicState. This includes when it is on another
2728            desktop!
2729         */
2730         client_change_wm_state(self);
2731     }
2732     return hide;
2733 }
2734
2735 void client_showhide(ObClient *self)
2736 {
2737     if (!client_show(self))
2738         client_hide(self);
2739 }
2740
2741 gboolean client_normal(ObClient *self) {
2742     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2743               self->type == OB_CLIENT_TYPE_DOCK ||
2744               self->type == OB_CLIENT_TYPE_SPLASH);
2745 }
2746
2747 gboolean client_helper(ObClient *self)
2748 {
2749     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2750             self->type == OB_CLIENT_TYPE_MENU ||
2751             self->type == OB_CLIENT_TYPE_TOOLBAR);
2752 }
2753
2754 gboolean client_mouse_focusable(ObClient *self)
2755 {
2756     return !(self->type == OB_CLIENT_TYPE_MENU ||
2757              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2758              self->type == OB_CLIENT_TYPE_SPLASH ||
2759              self->type == OB_CLIENT_TYPE_DOCK);
2760 }
2761
2762 gboolean client_enter_focusable(ObClient *self)
2763 {
2764     /* you can focus desktops but it shouldn't on enter */
2765     return (client_mouse_focusable(self) &&
2766             self->type != OB_CLIENT_TYPE_DESKTOP);
2767 }
2768
2769
2770 static void client_apply_startup_state(ObClient *self,
2771                                        gint x, gint y, gint w, gint h)
2772 {
2773     /* save the states that we are going to apply */
2774     gboolean iconic = self->iconic;
2775     gboolean fullscreen = self->fullscreen;
2776     gboolean undecorated = self->undecorated;
2777     gboolean shaded = self->shaded;
2778     gboolean demands_attention = self->demands_attention;
2779     gboolean max_horz = self->max_horz;
2780     gboolean max_vert = self->max_vert;
2781     Rect oldarea;
2782     gint l;
2783
2784     /* turn them all off in the client, so they won't affect the window
2785        being placed */
2786     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2787         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2788
2789     /* move the client to its placed position, or it it's already there,
2790        generate a ConfigureNotify telling the client where it is.
2791
2792        do this after adjusting the frame. otherwise it gets all weird and
2793        clients don't work right
2794
2795        do this before applying the states so they have the correct
2796        pre-max/pre-fullscreen values
2797     */
2798     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2799     ob_debug("placed window 0x%x at %d, %d with size %d x %d",
2800              self->w_client, x, y, w, h);
2801     /* save the area, and make it where it should be for the premax stuff */
2802     oldarea = self->area;
2803     RECT_SET(self->area, x, y, w, h);
2804     frame_engine->frame_set_client_area (self->frame, self->area);
2805
2806     /* apply the states. these are in a carefully crafted order.. */
2807
2808     if (iconic)
2809         client_iconify(self, TRUE, FALSE, TRUE);
2810     if (fullscreen)
2811         client_fullscreen(self, TRUE);
2812     if (undecorated)
2813         client_set_undecorated(self, TRUE);
2814     if (shaded)
2815         client_shade(self, TRUE);
2816     if (demands_attention)
2817         client_hilite(self, TRUE);
2818
2819     if (max_vert && max_horz)
2820         client_maximize(self, TRUE, 0);
2821     else if (max_vert)
2822         client_maximize(self, TRUE, 2);
2823     else if (max_horz)
2824         client_maximize(self, TRUE, 1);
2825
2826     /* if the window hasn't been configured yet, then do so now, in fact the
2827        x,y,w,h may _not_ be the same as the area rect, which can end up
2828        meaning that the client isn't properly moved/resized by the fullscreen
2829        function
2830        pho can cause this because it maps at size of the screen but not 0,0
2831        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2832        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2833        cuz thats where the pre-fullscreen will be. however the actual area is
2834        not, so this needs to be called even if we have fullscreened/maxed
2835     */
2836     self->area = oldarea;
2837     frame_engine->frame_set_decorations (self->frame, self->decorations);
2838     frame_engine->frame_update_layout (self->frame, self->area, FALSE, FALSE);
2839     /* if this occurs while we are focus cycling, the indicator needs to
2840      match the changes */
2841     if (focus_cycle_target == self)
2842         focus_cycle_draw_indicator(self);
2843     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2844
2845     /* set the desktop hint, to make sure that it always exists */
2846     OBT_PROP_SET32(self->w_client, NET_WM_DESKTOP, CARDINAL, self->desktop);
2847
2848     /* nothing to do for the other states:
2849        skip_taskbar
2850        skip_pager
2851        modal
2852        above
2853        below
2854     */
2855 }
2856
2857 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2858 {
2859     /* these should be the current values. this is for when you're not moving,
2860        just resizing */
2861     g_assert(*x == self->area.x);
2862     g_assert(oldw == self->area.width);
2863
2864     /* horizontal */
2865     switch (self->gravity) {
2866     default:
2867     case NorthWestGravity:
2868     case WestGravity:
2869     case SouthWestGravity:
2870     case StaticGravity:
2871     case ForgetGravity:
2872         break;
2873     case NorthGravity:
2874     case CenterGravity:
2875     case SouthGravity:
2876         *x -= (neww - oldw) / 2;
2877         break;
2878     case NorthEastGravity:
2879     case EastGravity:
2880     case SouthEastGravity:
2881         *x -= neww - oldw;
2882         break;
2883     }
2884 }
2885
2886 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2887 {
2888     /* these should be the current values. this is for when you're not moving,
2889        just resizing */
2890     g_assert(*y == self->area.y);
2891     g_assert(oldh == self->area.height);
2892
2893     /* vertical */
2894     switch (self->gravity) {
2895     default:
2896     case NorthWestGravity:
2897     case NorthGravity:
2898     case NorthEastGravity:
2899     case StaticGravity:
2900     case ForgetGravity:
2901         break;
2902     case WestGravity:
2903     case CenterGravity:
2904     case EastGravity:
2905         *y -= (newh - oldh) / 2;
2906         break;
2907     case SouthWestGravity:
2908     case SouthGravity:
2909     case SouthEastGravity:
2910         *y -= newh - oldh;
2911         break;
2912     }
2913 }
2914
2915 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2916                           gint *logicalw, gint *logicalh,
2917                           gboolean user)
2918 {
2919     Rect desired = {*x, *y, *w, *h};
2920     frame_rect_to_frame(self, &desired);
2921
2922     /* make the frame recalculate its dimentions n shit without changing
2923        anything visible for real, this way the constraints below can work with
2924        the updated frame dimensions. */
2925     frame_engine->frame_set_decorations (self->frame, self->decorations);
2926     frame_engine->frame_update_layout (self->frame, self->area, FALSE, TRUE);
2927
2928     /* gets the frame's position */
2929     frame_client_gravity(self, x, y);
2930
2931     /* these positions are frame positions, not client positions */
2932
2933     /* set the size and position if fullscreen */
2934     if (self->fullscreen) {
2935         Rect *a;
2936         guint i;
2937
2938         i = screen_find_monitor(&desired);
2939         a = screen_physical_area_monitor(i);
2940
2941         *x = a->x;
2942         *y = a->y;
2943         *w = a->width;
2944         *h = a->height;
2945
2946         user = FALSE; /* ignore if the client can't be moved/resized when it
2947                          is fullscreening */
2948
2949         g_free(a);
2950     } else if (self->max_horz || self->max_vert) {
2951         Rect *a;
2952         guint i;
2953
2954         /* use all possible struts when maximizing to the full screen */
2955         i = screen_find_monitor(&desired);
2956         a = screen_area(self->desktop, i,
2957                         (self->max_horz && self->max_vert ? NULL : &desired));
2958
2959         Strut size;
2960         frame_engine->frame_get_size(self->frame, &size);
2961         /* set the size and position if maximized */
2962         if (self->max_horz) {
2963             *x = a->x;
2964             *w = a->width - size.left - size.right;
2965         }
2966         if (self->max_vert) {
2967             *y = a->y;
2968             *h = a->height - size.top - size.bottom;
2969         }
2970
2971         user = FALSE; /* ignore if the client can't be moved/resized when it
2972                          is maximizing */
2973
2974         g_free(a);
2975     }
2976
2977     /* gets the client's position */
2978     frame_frame_gravity(self, x, y);
2979
2980     /* work within the prefered sizes given by the window */
2981     if (!(*w == self->area.width && *h == self->area.height)) {
2982         gint basew, baseh, minw, minh;
2983         gint incw, inch;
2984         gfloat minratio, maxratio;
2985
2986         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2987         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2988         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2989             0 : self->min_ratio;
2990         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2991             0 : self->max_ratio;
2992
2993         /* base size is substituted with min size if not specified */
2994         if (self->base_size.width || self->base_size.height) {
2995             basew = self->base_size.width;
2996             baseh = self->base_size.height;
2997         } else {
2998             basew = self->min_size.width;
2999             baseh = self->min_size.height;
3000         }
3001         /* min size is substituted with base size if not specified */
3002         if (self->min_size.width || self->min_size.height) {
3003             minw = self->min_size.width;
3004             minh = self->min_size.height;
3005         } else {
3006             minw = self->base_size.width;
3007             minh = self->base_size.height;
3008         }
3009
3010         /* if this is a user-requested resize, then check against min/max
3011            sizes */
3012
3013         /* smaller than min size or bigger than max size? */
3014         if (*w > self->max_size.width) *w = self->max_size.width;
3015         if (*w < minw) *w = minw;
3016         if (*h > self->max_size.height) *h = self->max_size.height;
3017         if (*h < minh) *h = minh;
3018
3019         *w -= basew;
3020         *h -= baseh;
3021
3022         /* keep to the increments */
3023         *w /= incw;
3024         *h /= inch;
3025
3026         /* you cannot resize to nothing */
3027         if (basew + *w < 1) *w = 1 - basew;
3028         if (baseh + *h < 1) *h = 1 - baseh;
3029
3030         /* save the logical size */
3031         *logicalw = incw > 1 ? *w : *w + basew;
3032         *logicalh = inch > 1 ? *h : *h + baseh;
3033
3034         *w *= incw;
3035         *h *= inch;
3036
3037         *w += basew;
3038         *h += baseh;
3039
3040         /* adjust the height to match the width for the aspect ratios.
3041            for this, min size is not substituted for base size ever. */
3042         *w -= self->base_size.width;
3043         *h -= self->base_size.height;
3044
3045         if (minratio)
3046             if (*h * minratio > *w) {
3047                 *h = (gint)(*w / minratio);
3048
3049                 /* you cannot resize to nothing */
3050                 if (*h < 1) {
3051                     *h = 1;
3052                     *w = (gint)(*h * minratio);
3053                 }
3054             }
3055         if (maxratio)
3056             if (*h * maxratio < *w) {
3057                 *h = (gint)(*w / maxratio);
3058
3059                 /* you cannot resize to nothing */
3060                 if (*h < 1) {
3061                     *h = 1;
3062                     *w = (gint)(*h * minratio);
3063                 }
3064             }
3065
3066         *w += self->base_size.width;
3067         *h += self->base_size.height;
3068     }
3069
3070     /* these override the above states! if you cant move you can't move! */
3071     if (user) {
3072         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
3073             *x = self->area.x;
3074             *y = self->area.y;
3075         }
3076         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
3077             *w = self->area.width;
3078             *h = self->area.height;
3079         }
3080     }
3081
3082     g_assert(*w > 0);
3083     g_assert(*h > 0);
3084 }
3085
3086
3087 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
3088                       gboolean user, gboolean final, gboolean force_reply)
3089 {
3090     Rect oldframe;
3091     gint oldw, oldh;
3092     gboolean send_resize_client;
3093     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
3094     gboolean fmoved, fresized;
3095     guint fdecor = frame_engine->frame_get_decorations(self->frame);
3096     gboolean fhorz = frame_engine->frame_is_max_horz(self->frame);
3097     gboolean fvert = frame_engine->frame_is_max_vert(self->frame);
3098     gint logicalw, logicalh;
3099
3100     Strut size;
3101     frame_engine->frame_get_size(self->frame, &size);
3102     Rect area;
3103     frame_engine->frame_get_window_area(self->frame, &area);
3104
3105     /* find the new x, y, width, and height (and logical size) */
3106     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
3107
3108     /* set the logical size if things changed */
3109     if (!(w == self->area.width && h == self->area.height))
3110         SIZE_SET(self->logical_size, logicalw, logicalh);
3111
3112     /* figure out if we moved or resized or what */
3113     moved = (x != self->area.x || y != self->area.y);
3114     resized = (w != self->area.width || h != self->area.height);
3115
3116     oldw = self->area.width;
3117     oldh = self->area.height;
3118     frame_engine->frame_get_window_area(self->frame, &oldframe);
3119     RECT_SET(self->area, x, y, w, h);
3120
3121     frame_engine->frame_set_client_area (self->frame, self->area);
3122
3123     /* for app-requested resizes, always resize if 'resized' is true.
3124        for user-requested ones, only resize if final is true, or when
3125        resizing in redraw mode */
3126     send_resize_client = ((!user && resized) ||
3127                           (user && (final ||
3128                                     (resized && config_resize_redraw))));
3129
3130     /* if the client is enlarging, then resize the client before the frame */
3131     if (send_resize_client && (w > oldw || h > oldh)) {
3132         frame_engine->frame_set_decorations (self->frame, self->decorations);
3133         frame_engine->frame_update_layout (self->frame, self->area, FALSE, FALSE);
3134         /* if this occurs while we are focus cycling, the indicator needs to
3135          match the changes */
3136         if (focus_cycle_target == self)
3137             focus_cycle_draw_indicator(self);
3138     }
3139
3140     /* find the frame's dimensions and move/resize it */
3141     fmoved = moved;
3142     fresized = resized;
3143
3144     /* if decorations changed, then readjust everything for the frame */
3145     if (self->decorations != fdecor ||
3146         self->max_horz != fhorz || self->max_vert != fvert)
3147     {
3148         fmoved = fresized = TRUE;
3149     }
3150
3151     /* adjust the frame */
3152     if (fmoved || fresized) {
3153         gulong ignore_start;
3154         if (!user)
3155             ignore_start = event_start_ignore_all_enters();
3156
3157         /* replay pending pointer event before move the window, in case it
3158            would change what window gets the event */
3159         mouse_replay_pointer();
3160
3161         frame_engine->frame_set_decorations (self->frame, self->decorations);
3162         frame_engine->frame_update_layout (self->frame, self->area, TRUE, FALSE);
3163         /* if this occurs while we are focus cycling, the indicator needs to
3164          match the changes */
3165         if (focus_cycle_target == self)
3166             focus_cycle_draw_indicator(self);
3167
3168         if (!user)
3169             event_end_ignore_all_enters(ignore_start);
3170     }
3171
3172     if (!user || final) {
3173         gint oldrx = self->root_pos.x;
3174         gint oldry = self->root_pos.y;
3175         /* we have reset the client to 0 border width, so don't include
3176            it in these coords */
3177         POINT_SET(self->root_pos,
3178                   area.x + size.left -
3179                   self->border_width,
3180                   area.y + size.top -
3181                   self->border_width);
3182         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3183             rootmoved = TRUE;
3184     }
3185
3186     /* This is kinda tricky and should not be changed.. let me explain!
3187
3188        When user = FALSE, then the request is coming from the application
3189        itself, and we are more strict about when to send a synthetic
3190        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3191        in this case (if force_reply is true)
3192
3193        When user = TRUE, then the request is coming from "us", like when we
3194        maximize a window or something.  In this case we are more lenient.  We
3195        used to follow the same rules as above, but _Java_ Swing can't handle
3196        this. So just to appease Swing, when user = TRUE, we always send
3197        a synthetic ConfigureNotify to give the window its root coordinates.
3198     */
3199     if ((!user && !resized && (rootmoved || force_reply)) ||
3200         (user && final && rootmoved))
3201     {
3202         XEvent event;
3203
3204         event.type = ConfigureNotify;
3205         event.xconfigure.display = obt_display;
3206         event.xconfigure.event = self->w_client;
3207         event.xconfigure.window = self->w_client;
3208
3209         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d",
3210                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3211
3212         /* root window real coords */
3213         event.xconfigure.x = self->root_pos.x;
3214         event.xconfigure.y = self->root_pos.y;
3215         event.xconfigure.width = w;
3216         event.xconfigure.height = h;
3217         event.xconfigure.border_width = self->border_width;
3218         event.xconfigure.above = None;
3219         event.xconfigure.override_redirect = FALSE;
3220         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3221                    FALSE, StructureNotifyMask, &event);
3222     }
3223
3224     /* if the client is shrinking, then resize the frame before the client.
3225
3226        both of these resize sections may run, because the top one only resizes
3227        in the direction that is growing
3228      */
3229     if (send_resize_client && (w <= oldw || h <= oldh)) {
3230       frame_engine->frame_set_decorations (self->frame, self->decorations);
3231       frame_engine->frame_update_layout (self->frame, self->area, FALSE, FALSE);
3232       /* if this occurs while we are focus cycling, the indicator needs to
3233        match the changes */
3234       if (focus_cycle_target == self)
3235           focus_cycle_draw_indicator(self);
3236     }
3237
3238     XFlush(obt_display);
3239
3240     /* if it moved between monitors, then this can affect the stacking
3241        layer of this window or others - for fullscreen windows */
3242     Rect current_frame;
3243     frame_engine->frame_get_window_area(self->frame, &current_frame);
3244     if (screen_find_monitor(&current_frame) !=
3245         screen_find_monitor(&oldframe))
3246     {
3247         client_calc_layer(self);
3248     }
3249 }
3250
3251 void client_fullscreen(ObClient *self, gboolean fs)
3252 {
3253     gint x, y, w, h;
3254
3255     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3256         self->fullscreen == fs) return;                   /* already done */
3257
3258     self->fullscreen = fs;
3259     client_change_state(self); /* change the state hints on the client */
3260
3261     if (fs) {
3262         self->pre_fullscreen_area = self->area;
3263         /* if the window is maximized, its area isn't all that meaningful.
3264            save it's premax area instead. */
3265         if (self->max_horz) {
3266             self->pre_fullscreen_area.x = self->pre_max_area.x;
3267             self->pre_fullscreen_area.width = self->pre_max_area.width;
3268         }
3269         if (self->max_vert) {
3270             self->pre_fullscreen_area.y = self->pre_max_area.y;
3271             self->pre_fullscreen_area.height = self->pre_max_area.height;
3272         }
3273
3274         /* these will help configure_full figure out where to fullscreen
3275            the window */
3276         x = self->area.x;
3277         y = self->area.y;
3278         w = self->area.width;
3279         h = self->area.height;
3280     } else {
3281         g_assert(self->pre_fullscreen_area.width > 0 &&
3282                  self->pre_fullscreen_area.height > 0);
3283
3284         x = self->pre_fullscreen_area.x;
3285         y = self->pre_fullscreen_area.y;
3286         w = self->pre_fullscreen_area.width;
3287         h = self->pre_fullscreen_area.height;
3288         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3289     }
3290
3291     ob_debug("Window %s going fullscreen (%d)",
3292              self->title, self->fullscreen);
3293
3294     client_setup_decor_and_functions(self, FALSE);
3295     client_move_resize(self, x, y, w, h);
3296
3297     /* and adjust our layer/stacking. do this after resizing the window,
3298        and applying decorations, because windows which fill the screen are
3299        considered "fullscreen" and it affects their layer */
3300     client_calc_layer(self);
3301
3302     if (fs) {
3303         /* try focus us when we go into fullscreen mode */
3304         client_focus(self);
3305     }
3306 }
3307
3308 static void client_iconify_recursive(ObClient *self,
3309                                      gboolean iconic, gboolean curdesk,
3310                                      gboolean hide_animation)
3311 {
3312     GSList *it;
3313     gboolean changed = FALSE;
3314
3315
3316     if (self->iconic != iconic) {
3317         ob_debug("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
3318                  self->w_client);
3319
3320         if (iconic) {
3321             /* don't let non-normal windows iconify along with their parents
3322                or whatever */
3323             if (client_normal(self)) {
3324                 self->iconic = iconic;
3325
3326                 /* update the focus lists.. iconic windows go to the bottom of
3327                    the list */
3328                 focus_order_to_bottom(self);
3329
3330                 changed = TRUE;
3331             }
3332         } else {
3333             self->iconic = iconic;
3334
3335             if (curdesk && self->desktop != screen_desktop &&
3336                 self->desktop != DESKTOP_ALL)
3337                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3338
3339             /* this puts it after the current focused window */
3340             focus_order_remove(self);
3341             focus_order_add_new(self);
3342
3343             changed = TRUE;
3344         }
3345     }
3346
3347     if (changed) {
3348         client_change_state(self);
3349         /* do this after starting the animation so it doesn't flash */
3350         client_showhide(self);
3351     }
3352
3353     /* iconify all direct transients, and deiconify all transients
3354        (non-direct too) */
3355     for (it = self->transients; it; it = g_slist_next(it))
3356         if (it->data != self)
3357             if (client_is_direct_child(self, it->data) || !iconic)
3358                 client_iconify_recursive(it->data, iconic, curdesk,
3359                                          hide_animation);
3360 }
3361
3362 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3363                     gboolean hide_animation)
3364 {
3365     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3366         /* move up the transient chain as far as possible first */
3367         self = client_search_top_direct_parent(self);
3368         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3369     }
3370 }
3371
3372 void client_maximize(ObClient *self, gboolean max, gint dir)
3373 {
3374     gint x, y, w, h;
3375
3376     g_assert(dir == 0 || dir == 1 || dir == 2);
3377     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3378
3379     /* check if already done */
3380     if (max) {
3381         if (dir == 0 && self->max_horz && self->max_vert) return;
3382         if (dir == 1 && self->max_horz) return;
3383         if (dir == 2 && self->max_vert) return;
3384     } else {
3385         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3386         if (dir == 1 && !self->max_horz) return;
3387         if (dir == 2 && !self->max_vert) return;
3388     }
3389
3390     /* these will help configure_full figure out which screen to fill with
3391        the window */
3392     x = self->area.x;
3393     y = self->area.y;
3394     w = self->area.width;
3395     h = self->area.height;
3396
3397     if (max) {
3398         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3399             RECT_SET(self->pre_max_area,
3400                      self->area.x, self->pre_max_area.y,
3401                      self->area.width, self->pre_max_area.height);
3402         }
3403         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3404             RECT_SET(self->pre_max_area,
3405                      self->pre_max_area.x, self->area.y,
3406                      self->pre_max_area.width, self->area.height);
3407         }
3408     } else {
3409         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3410             g_assert(self->pre_max_area.width > 0);
3411
3412             x = self->pre_max_area.x;
3413             w = self->pre_max_area.width;
3414
3415             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3416                      0, self->pre_max_area.height);
3417         }
3418         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3419             g_assert(self->pre_max_area.height > 0);
3420
3421             y = self->pre_max_area.y;
3422             h = self->pre_max_area.height;
3423
3424             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3425                      self->pre_max_area.width, 0);
3426         }
3427     }
3428
3429     if (dir == 0 || dir == 1) {
3430         self->max_horz = max; /* horz */
3431         frame_engine->frame_trigger(self->frame, max? OB_TRIGGER_MAX_HORZ : OB_TRIGGER_UNMAX_HORZ);
3432     }
3433
3434     if (dir == 0 || dir == 2){
3435         self->max_vert = max; /* vert */
3436         frame_engine->frame_trigger(self->frame, max? OB_TRIGGER_MAX_VERT : OB_TRIGGER_UNMAX_VERT);
3437     }
3438
3439     client_change_state(self); /* change the state hints on the client */
3440
3441     client_setup_decor_and_functions(self, FALSE);
3442     client_move_resize(self, x, y, w, h);
3443 }
3444
3445 void client_shade(ObClient *self, gboolean shade)
3446 {
3447     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3448          shade) ||                         /* can't shade */
3449         self->shaded == shade) return;     /* already done */
3450
3451     self->shaded = shade;
3452     client_change_state(self);
3453     client_change_wm_state(self); /* the window is being hidden/shown */
3454     /* resize the frame to just the titlebar */
3455     frame_engine->frame_set_is_shaded (self->frame, self->shaded);
3456     frame_engine->frame_update_layout(self->frame, self->area, FALSE, FALSE);
3457     /* if this occurs while we are focus cycling, the indicator needs to
3458      match the changes */
3459     if (focus_cycle_target == self)
3460         focus_cycle_draw_indicator(self);
3461 }
3462
3463 static void client_ping_event(ObClient *self, gboolean dead)
3464 {
3465     self->not_responding = dead;
3466     client_update_title(self);
3467
3468     if (!dead) {
3469         /* it came back to life ! */
3470
3471         if (self->kill_prompt) {
3472             prompt_unref(self->kill_prompt);
3473             self->kill_prompt = NULL;
3474         }
3475
3476         self->kill_level = 0;
3477     }
3478 }
3479
3480 void client_close(ObClient *self)
3481 {
3482     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3483
3484     if (self->prompt) {
3485         prompt_cancel(self->prompt);
3486         return;
3487     }
3488
3489     /* in the case that the client provides no means to requesting that it
3490        close, we just kill it */
3491     if (!self->delete_window)
3492         /* don't use client_kill(), we should only kill based on PID in
3493            response to a lack of PING replies */
3494         XKillClient(obt_display, self->w_client);
3495     else {
3496         /* request the client to close with WM_DELETE_WINDOW */
3497         OBT_PROP_MSG_TO(self->w_client, self->w_client, WM_PROTOCOLS,
3498                         OBT_PROP_ATOM(WM_DELETE_WINDOW), event_curtime,
3499                         0, 0, 0, NoEventMask);
3500
3501         if (self->not_responding)
3502             client_prompt_kill(self);
3503     }
3504 }
3505
3506 #define OB_KILL_RESULT_NO 0
3507 #define OB_KILL_RESULT_YES 1
3508
3509 static void client_kill_requested(ObPrompt *p, gint result, gpointer data)
3510 {
3511     ObClient *self = data;
3512
3513     if (result == OB_KILL_RESULT_YES)
3514         client_kill(self);
3515
3516     prompt_unref(self->kill_prompt);
3517     self->kill_prompt = NULL;
3518 }
3519
3520 static void client_prompt_kill(ObClient *self)
3521 {
3522     /* check if we're already prompting */
3523     if (!self->kill_prompt) {
3524         ObPromptAnswer answers[] = {
3525             { _("No"), OB_KILL_RESULT_NO },
3526             { _("Yes"), OB_KILL_RESULT_YES }
3527         };
3528         gchar *m;
3529         const gchar *sig;
3530
3531         if (self->kill_level == 0)
3532             sig = "terminate";
3533         else
3534             sig = "kill";
3535
3536         m = g_strdup_printf
3537             (_("The window \"%s\" does not seem to be responding.  Do you want to force it to exit by sending the %s signal?"), self->original_title, sig);
3538
3539         self->kill_prompt = prompt_new(m, answers,
3540                                        sizeof(answers)/sizeof(answers[0]),
3541                                        OB_KILL_RESULT_NO, /* default = no */
3542                                        OB_KILL_RESULT_NO, /* cancel = no */
3543                                        client_kill_requested, self);
3544         g_free(m);
3545     }
3546
3547     prompt_show(self->kill_prompt, self);
3548 }
3549
3550 void client_kill(ObClient *self)
3551 {
3552     /* don't kill our own windows */
3553     if (self->prompt) return;
3554
3555     if (!self->client_machine && self->pid) {
3556         /* running on the local host */
3557         if (self->kill_level == 0) {
3558             ob_debug("killing window 0x%x with pid %lu, with SIGTERM",
3559                      self->w_client, self->pid);
3560             kill(self->pid, SIGTERM);
3561             ++self->kill_level;
3562
3563             /* show that we're trying to kill it */
3564             client_update_title(self);
3565         }
3566         else {
3567             ob_debug("killing window 0x%x with pid %lu, with SIGKILL",
3568                      self->w_client, self->pid);
3569             kill(self->pid, SIGKILL); /* kill -9 */
3570         }
3571     }
3572     else {
3573         /* running on a remote host */
3574         XKillClient(obt_display, self->w_client);
3575     }
3576 }
3577
3578 void client_hilite(ObClient *self, gboolean hilite)
3579 {
3580     if (self->demands_attention == hilite)
3581         return; /* no change */
3582
3583     /* don't allow focused windows to hilite */
3584     self->demands_attention = hilite && !client_focused(self);
3585     if (self->frame != NULL) { /* if we're mapping, just set the state */
3586         if (self->demands_attention)
3587         client_flash_start(self);
3588         else
3589         client_flash_stop(self);
3590         client_change_state(self);
3591     }
3592 }
3593
3594 static void client_set_desktop_recursive(ObClient *self,
3595                                          guint target,
3596                                          gboolean donthide,
3597                                          gboolean dontraise)
3598 {
3599     guint old;
3600     GSList *it;
3601
3602     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3603
3604         ob_debug("Setting desktop %u", target+1);
3605
3606         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3607
3608         old = self->desktop;
3609         self->desktop = target;
3610         OBT_PROP_SET32(self->w_client, NET_WM_DESKTOP, CARDINAL, target);
3611         /* the frame can display the current desktop state */
3612         frame_engine->frame_set_decorations (self->frame, self->decorations);
3613         frame_engine->frame_update_layout(self->frame, self->area, FALSE, FALSE);
3614         /* if this occurs while we are focus cycling, the indicator needs to
3615          match the changes */
3616         if (focus_cycle_target == self)
3617             focus_cycle_draw_indicator(self);
3618         /* 'move' the window to the new desktop */
3619         if (!donthide)
3620             client_hide(self);
3621         client_show(self);
3622         /* raise if it was not already on the desktop */
3623         if (old != DESKTOP_ALL && !dontraise)
3624             stacking_raise(CLIENT_AS_WINDOW(self));
3625         if (STRUT_EXISTS(self->strut))
3626             screen_update_areas();
3627         else
3628             /* the new desktop's geometry may be different, so we may need to
3629                resize, for example if we are maximized */
3630             client_reconfigure(self, FALSE);
3631     }
3632
3633     /* move all transients */
3634     for (it = self->transients; it; it = g_slist_next(it))
3635         if (it->data != self)
3636             if (client_is_direct_child(self, it->data))
3637                 client_set_desktop_recursive(it->data, target,
3638                                              donthide, dontraise);
3639 }
3640
3641 void client_set_desktop(ObClient *self, guint target,
3642                         gboolean donthide, gboolean dontraise)
3643 {
3644     self = client_search_top_direct_parent(self);
3645     client_set_desktop_recursive(self, target, donthide, dontraise);
3646 }
3647
3648 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3649 {
3650     while (child != parent && (child = client_direct_parent(child)));
3651     return child == parent;
3652 }
3653
3654 ObClient *client_search_modal_child(ObClient *self)
3655 {
3656     GSList *it;
3657     ObClient *ret;
3658
3659     for (it = self->transients; it; it = g_slist_next(it)) {
3660         ObClient *c = it->data;
3661         if ((ret = client_search_modal_child(c))) return ret;
3662         if (c->modal) return c;
3663     }
3664     return NULL;
3665 }
3666
3667 gboolean client_validate(ObClient *self)
3668 {
3669     XEvent e;
3670
3671     XSync(obt_display, FALSE); /* get all events on the server */
3672
3673     if (XCheckTypedWindowEvent(obt_display, self->w_client, DestroyNotify, &e) ||
3674         XCheckTypedWindowEvent(obt_display, self->w_client, UnmapNotify, &e))
3675     {
3676         XPutBackEvent(obt_display, &e);
3677         return FALSE;
3678     }
3679
3680     return TRUE;
3681 }
3682
3683 void client_set_wm_state(ObClient *self, glong state)
3684 {
3685     if (state == self->wmstate) return; /* no change */
3686
3687     switch (state) {
3688     case IconicState:
3689         client_iconify(self, TRUE, TRUE, FALSE);
3690         break;
3691     case NormalState:
3692         client_iconify(self, FALSE, TRUE, FALSE);
3693         break;
3694     }
3695 }
3696
3697 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3698 {
3699     gboolean shaded = self->shaded;
3700     gboolean fullscreen = self->fullscreen;
3701     gboolean undecorated = self->undecorated;
3702     gboolean max_horz = self->max_horz;
3703     gboolean max_vert = self->max_vert;
3704     gboolean modal = self->modal;
3705     gboolean iconic = self->iconic;
3706     gboolean demands_attention = self->demands_attention;
3707     gboolean above = self->above;
3708     gboolean below = self->below;
3709     gint i;
3710
3711     if (!(action == OBT_PROP_ATOM(NET_WM_STATE_ADD) ||
3712           action == OBT_PROP_ATOM(NET_WM_STATE_REMOVE) ||
3713           action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)))
3714         /* an invalid action was passed to the client message, ignore it */
3715         return;
3716
3717     for (i = 0; i < 2; ++i) {
3718         Atom state = i == 0 ? data1 : data2;
3719
3720         if (!state) continue;
3721
3722         /* if toggling, then pick whether we're adding or removing */
3723         if (action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)) {
3724             if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
3725                 action = modal ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3726                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3727             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
3728                 action = self->max_vert ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3729                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3730             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
3731                 action = self->max_horz ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3732                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3733             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
3734                 action = shaded ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3735                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3736             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
3737                 action = self->skip_taskbar ?
3738                     OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3739                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3740             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
3741                 action = self->skip_pager ?
3742                     OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3743                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3744             else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
3745                 action = self->iconic ?
3746                     OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3747                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3748             else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
3749                 action = fullscreen ?
3750                     OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3751                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3752             else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
3753                 action = self->above ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3754                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3755             else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
3756                 action = self->below ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3757                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3758             else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
3759                 action = self->demands_attention ?
3760                     OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3761                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3762             else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
3763                 action = undecorated ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3764                     OBT_PROP_ATOM(NET_WM_STATE_ADD);
3765         }
3766
3767         if (action == OBT_PROP_ATOM(NET_WM_STATE_ADD)) {
3768             if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL)) {
3769                 modal = TRUE;
3770             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT)) {
3771                 max_vert = TRUE;
3772             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ)) {
3773                 max_horz = TRUE;
3774             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED)) {
3775                 shaded = TRUE;
3776             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR)) {
3777                 self->skip_taskbar = TRUE;
3778             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER)) {
3779                 self->skip_pager = TRUE;
3780             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN)) {
3781                 iconic = TRUE;
3782             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN)) {
3783                 fullscreen = TRUE;
3784             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE)) {
3785                 above = TRUE;
3786                 below = FALSE;
3787             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW)) {
3788                 above = FALSE;
3789                 below = TRUE;
3790             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION)){
3791                 demands_attention = TRUE;
3792             } else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED)) {
3793                 undecorated = TRUE;
3794             }
3795
3796         } else { /* action == OBT_PROP_ATOM(NET_WM_STATE_REMOVE) */
3797             if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL)) {
3798                 modal = FALSE;
3799             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT)) {
3800                 max_vert = FALSE;
3801             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ)) {
3802                 max_horz = FALSE;
3803             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED)) {
3804                 shaded = FALSE;
3805             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR)) {
3806                 self->skip_taskbar = FALSE;
3807             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER)) {
3808                 self->skip_pager = FALSE;
3809             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN)) {
3810                 iconic = FALSE;
3811             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN)) {
3812                 fullscreen = FALSE;
3813             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE)) {
3814                 above = FALSE;
3815             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW)) {
3816                 below = FALSE;
3817             } else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION)){
3818                 demands_attention = FALSE;
3819             } else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED)) {
3820                 undecorated = FALSE;
3821             }
3822         }
3823     }
3824
3825     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3826         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3827             /* toggling both */
3828             if (max_horz == max_vert) { /* both going the same way */
3829                 client_maximize(self, max_horz, 0);
3830             } else {
3831                 client_maximize(self, max_horz, 1);
3832                 client_maximize(self, max_vert, 2);
3833             }
3834         } else {
3835             /* toggling one */
3836             if (max_horz != self->max_horz)
3837                 client_maximize(self, max_horz, 1);
3838             else
3839                 client_maximize(self, max_vert, 2);
3840         }
3841     }
3842     /* change fullscreen state before shading, as it will affect if the window
3843        can shade or not */
3844     if (fullscreen != self->fullscreen)
3845         client_fullscreen(self, fullscreen);
3846     if (shaded != self->shaded)
3847         client_shade(self, shaded);
3848     if (undecorated != self->undecorated)
3849         client_set_undecorated(self, undecorated);
3850     if (above != self->above || below != self->below) {
3851         self->above = above;
3852         self->below = below;
3853         client_calc_layer(self);
3854     }
3855
3856     if (modal != self->modal) {
3857         self->modal = modal;
3858         /* when a window changes modality, then its stacking order with its
3859            transients needs to change */
3860         stacking_raise(CLIENT_AS_WINDOW(self));
3861
3862         /* it also may get focused. if something is focused that shouldn't
3863            be focused anymore, then move the focus */
3864         if (focus_client && client_focus_target(focus_client) != focus_client)
3865             client_focus(focus_client);
3866     }
3867
3868     if (iconic != self->iconic)
3869         client_iconify(self, iconic, FALSE, FALSE);
3870
3871     if (demands_attention != self->demands_attention)
3872         client_hilite(self, demands_attention);
3873
3874     client_change_state(self); /* change the hint to reflect these changes */
3875 }
3876
3877 ObClient *client_focus_target(ObClient *self)
3878 {
3879     ObClient *child = NULL;
3880
3881     child = client_search_modal_child(self);
3882     if (child) return child;
3883     return self;
3884 }
3885
3886 gboolean client_can_focus(ObClient *self)
3887 {
3888     /* choose the correct target */
3889     self = client_focus_target(self);
3890
3891     if (!frame_engine->frame_is_visible(self->frame))
3892         return FALSE;
3893
3894     if (!(self->can_focus || self->focus_notify))
3895         return FALSE;
3896
3897     return TRUE;
3898 }
3899
3900 gboolean client_focus(ObClient *self)
3901 {
3902     /* we might not focus this window, so if we have modal children which would
3903        be focused instead, bring them to this desktop */
3904     client_bring_modal_windows(self);
3905
3906     /* choose the correct target */
3907     self = client_focus_target(self);
3908
3909     if (!client_can_focus(self)) {
3910         ob_debug_type(OB_DEBUG_FOCUS,
3911                       "Client %s can't be focused", self->title);
3912         return FALSE;
3913     }
3914
3915     ob_debug_type(OB_DEBUG_FOCUS,
3916                   "Focusing client \"%s\" (0x%x) at time %u",
3917                   self->title, self->w_client, event_curtime);
3918
3919     /* if using focus_delay, stop the timer now so that focus doesn't
3920        go moving on us */
3921     event_halt_focus_delay();
3922
3923     /* if there is a grab going on, then we need to cancel it. if we move
3924        focus during the grab, applications will get NotifyWhileGrabbed events
3925        and ignore them !
3926
3927        actions should not rely on being able to move focus during an
3928        interactive grab.
3929     */
3930     event_cancel_all_key_grabs();
3931
3932     obt_display_ignore_errors(TRUE);
3933
3934     if (self->can_focus) {
3935         /* This can cause a BadMatch error with CurrentTime, or if an app
3936            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3937         XSetInputFocus(obt_display, self->w_client, RevertToPointerRoot,
3938                        event_curtime);
3939     }
3940
3941     if (self->focus_notify) {
3942         XEvent ce;
3943         ce.xclient.type = ClientMessage;
3944         ce.xclient.message_type = OBT_PROP_ATOM(WM_PROTOCOLS);
3945         ce.xclient.display = obt_display;
3946         ce.xclient.window = self->w_client;
3947         ce.xclient.format = 32;
3948         ce.xclient.data.l[0] = OBT_PROP_ATOM(WM_TAKE_FOCUS);
3949         ce.xclient.data.l[1] = event_curtime;
3950         ce.xclient.data.l[2] = 0l;
3951         ce.xclient.data.l[3] = 0l;
3952         ce.xclient.data.l[4] = 0l;
3953         XSendEvent(obt_display, self->w_client, FALSE, NoEventMask, &ce);
3954     }
3955
3956     obt_display_ignore_errors(FALSE);
3957
3958     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d",
3959                   obt_display_error_occured);
3960     return !obt_display_error_occured;
3961 }
3962
3963 static void client_present(ObClient *self, gboolean here, gboolean raise,
3964                            gboolean unshade)
3965 {
3966     if (client_normal(self) && screen_showing_desktop)
3967         screen_show_desktop(FALSE, self);
3968     if (self->iconic)
3969         client_iconify(self, FALSE, here, FALSE);
3970     if (self->desktop != DESKTOP_ALL &&
3971         self->desktop != screen_desktop)
3972     {
3973         if (here)
3974             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3975         else
3976             screen_set_desktop(self->desktop, FALSE);
3977     } else if (!frame_engine->frame_is_visible(self->frame))
3978         /* if its not visible for other reasons, then don't mess
3979            with it */
3980         return;
3981     if (self->shaded && unshade)
3982         client_shade(self, FALSE);
3983     if (raise)
3984         stacking_raise(CLIENT_AS_WINDOW(self));
3985
3986     client_focus(self);
3987 }
3988
3989 void client_activate(ObClient *self, gboolean here, gboolean raise,
3990                      gboolean unshade, gboolean user)
3991 {
3992     client_present(self, here, raise, unshade);
3993 }
3994
3995 static void client_bring_windows_recursive(ObClient *self,
3996                                            guint desktop,
3997                                            gboolean helpers,
3998                                            gboolean modals,
3999                                            gboolean iconic)
4000 {
4001     GSList *it;
4002
4003     for (it = self->transients; it; it = g_slist_next(it))
4004         client_bring_windows_recursive(it->data, desktop,
4005                                        helpers, modals, iconic);
4006
4007     if (((helpers && client_helper(self)) ||
4008          (modals && self->modal)) &&
4009         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
4010          (iconic && self->iconic)))
4011     {
4012         if (iconic && self->iconic)
4013             client_iconify(self, FALSE, TRUE, FALSE);
4014         else
4015             client_set_desktop(self, desktop, FALSE, FALSE);
4016     }
4017 }
4018
4019 void client_bring_helper_windows(ObClient *self)
4020 {
4021     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
4022 }
4023
4024 void client_bring_modal_windows(ObClient *self)
4025 {
4026     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
4027 }
4028
4029 gboolean client_focused(ObClient *self)
4030 {
4031     return self == focus_client;
4032 }
4033
4034 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
4035 {
4036     guint i;
4037     gulong min_diff, min_i;
4038
4039     if (!self->nicons) {
4040         ObClientIcon *parent = NULL;
4041         GSList *it;
4042
4043         for (it = self->parents; it; it = g_slist_next(it)) {
4044             ObClient *c = it->data;
4045             if ((parent = client_icon_recursive(c, w, h)))
4046                 break;
4047         }
4048
4049         return parent;
4050     }
4051
4052     /* some kind of crappy approximation to find the icon closest in size to
4053        what we requested, but icons are generally all the same ratio as
4054        eachother so it's good enough. */
4055
4056     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
4057     min_i = 0;
4058
4059     for (i = 1; i < self->nicons; ++i) {
4060         gulong diff;
4061
4062         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
4063         if (diff < min_diff) {
4064             min_diff = diff;
4065             min_i = i;
4066         }
4067     }
4068     return &self->icons[min_i];
4069 }
4070
4071 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
4072 {
4073     ObClientIcon *ret;
4074     static ObClientIcon deficon;
4075
4076     if (!(ret = client_icon_recursive(self, w, h))) {
4077         deficon.width = deficon.height = 48;
4078         deficon.data = ob_rr_theme->def_win_icon;
4079         ret = &deficon;
4080     }
4081     return ret;
4082 }
4083
4084 void client_set_layer(ObClient *self, gint layer)
4085 {
4086     if (layer < 0) {
4087         self->below = TRUE;
4088         self->above = FALSE;
4089     } else if (layer == 0) {
4090         self->below = self->above = FALSE;
4091     } else {
4092         self->below = FALSE;
4093         self->above = TRUE;
4094     }
4095     client_calc_layer(self);
4096     client_change_state(self); /* reflect this in the state hints */
4097 }
4098
4099 void client_set_undecorated(ObClient *self, gboolean undecorated)
4100 {
4101     if (self->undecorated != undecorated &&
4102         /* don't let it undecorate if the function is missing, but let
4103            it redecorate */
4104         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
4105     {
4106         self->undecorated = undecorated;
4107         client_setup_decor_and_functions(self, TRUE);
4108         client_change_state(self); /* reflect this in the state hints */
4109     }
4110 }
4111
4112 guint client_monitor(ObClient *self)
4113 {
4114     Rect area;
4115     frame_engine->frame_get_window_area(self->frame, &area);
4116     return screen_find_monitor(&area);
4117 }
4118
4119 ObClient *client_direct_parent(ObClient *self)
4120 {
4121     if (!self->parents) return NULL;
4122     if (self->transient_for_group) return NULL;
4123     return self->parents->data;
4124 }
4125
4126 ObClient *client_search_top_direct_parent(ObClient *self)
4127 {
4128     ObClient *p;
4129     while ((p = client_direct_parent(self))) self = p;
4130     return self;
4131 }
4132
4133 static GSList *client_search_all_top_parents_internal(ObClient *self,
4134                                                       gboolean bylayer,
4135                                                       ObStackingLayer layer)
4136 {
4137     GSList *ret;
4138     ObClient *p;
4139
4140     /* move up the direct transient chain as far as possible */
4141     while ((p = client_direct_parent(self)) &&
4142            (!bylayer || p->layer == layer))
4143         self = p;
4144
4145     if (!self->parents)
4146         ret = g_slist_prepend(NULL, self);
4147     else
4148         ret = g_slist_copy(self->parents);
4149
4150     return ret;
4151 }
4152
4153 GSList *client_search_all_top_parents(ObClient *self)
4154 {
4155     return client_search_all_top_parents_internal(self, FALSE, 0);
4156 }
4157
4158 GSList *client_search_all_top_parents_layer(ObClient *self)
4159 {
4160     return client_search_all_top_parents_internal(self, TRUE, self->layer);
4161 }
4162
4163 ObClient *client_search_focus_parent(ObClient *self)
4164 {
4165     GSList *it;
4166
4167     for (it = self->parents; it; it = g_slist_next(it))
4168         if (client_focused(it->data)) return it->data;
4169
4170     return NULL;
4171 }
4172
4173 ObClient *client_search_parent(ObClient *self, ObClient *search)
4174 {
4175     GSList *it;
4176
4177     for (it = self->parents; it; it = g_slist_next(it))
4178         if (it->data == search) return search;
4179
4180     return NULL;
4181 }
4182
4183 ObClient *client_search_transient(ObClient *self, ObClient *search)
4184 {
4185     GSList *sit;
4186
4187     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
4188         if (sit->data == search)
4189             return search;
4190         if (client_search_transient(sit->data, search))
4191             return search;
4192     }
4193     return NULL;
4194 }
4195
4196 static void detect_edge(Rect area, ObDirection dir,
4197                         gint my_head, gint my_size,
4198                         gint my_edge_start, gint my_edge_size,
4199                         gint *dest, gboolean *near_edge)
4200 {
4201     gint edge_start, edge_size, head, tail;
4202     gboolean skip_head = FALSE, skip_tail = FALSE;
4203
4204     switch (dir) {
4205         case OB_DIRECTION_NORTH:
4206         case OB_DIRECTION_SOUTH:
4207             edge_start = area.x;
4208             edge_size = area.width;
4209             break;
4210         case OB_DIRECTION_EAST:
4211         case OB_DIRECTION_WEST:
4212             edge_start = area.y;
4213             edge_size = area.height;
4214             break;
4215         default:
4216             g_assert_not_reached();
4217     }
4218
4219     /* do we collide with this window? */
4220     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
4221                 edge_start, edge_size))
4222         return;
4223
4224     switch (dir) {
4225         case OB_DIRECTION_NORTH:
4226             head = RECT_BOTTOM(area);
4227             tail = RECT_TOP(area);
4228             break;
4229         case OB_DIRECTION_SOUTH:
4230             head = RECT_TOP(area);
4231             tail = RECT_BOTTOM(area);
4232             break;
4233         case OB_DIRECTION_WEST:
4234             head = RECT_RIGHT(area);
4235             tail = RECT_LEFT(area);
4236             break;
4237         case OB_DIRECTION_EAST:
4238             head = RECT_LEFT(area);
4239             tail = RECT_RIGHT(area);
4240             break;
4241         default:
4242             g_assert_not_reached();
4243     }
4244     switch (dir) {
4245         case OB_DIRECTION_NORTH:
4246         case OB_DIRECTION_WEST:
4247             /* check if our window is past the head of this window */
4248             if (my_head <= head + 1)
4249                 skip_head = TRUE;
4250             /* check if our window's tail is past the tail of this window */
4251             if (my_head + my_size - 1 <= tail)
4252                 skip_tail = TRUE;
4253             /* check if the head of this window is closer than the previously
4254                chosen edge (take into account that the previously chosen
4255                edge might have been a tail, not a head) */
4256             if (head + (*near_edge ? 0 : my_size) < *dest)
4257                 skip_head = TRUE;
4258             /* check if the tail of this window is closer than the previously
4259                chosen edge (take into account that the previously chosen
4260                edge might have been a head, not a tail) */
4261             if (tail - (!*near_edge ? 0 : my_size) < *dest)
4262                 skip_tail = TRUE;
4263             break;
4264         case OB_DIRECTION_SOUTH:
4265         case OB_DIRECTION_EAST:
4266             /* check if our window is past the head of this window */
4267             if (my_head >= head - 1)
4268                 skip_head = TRUE;
4269             /* check if our window's tail is past the tail of this window */
4270             if (my_head - my_size + 1 >= tail)
4271                 skip_tail = TRUE;
4272             /* check if the head of this window is closer than the previously
4273                chosen edge (take into account that the previously chosen
4274                edge might have been a tail, not a head) */
4275             if (head - (*near_edge ? 0 : my_size) > *dest)
4276                 skip_head = TRUE;
4277             /* check if the tail of this window is closer than the previously
4278                chosen edge (take into account that the previously chosen
4279                edge might have been a head, not a tail) */
4280             if (tail + (!*near_edge ? 0 : my_size) > *dest)
4281                 skip_tail = TRUE;
4282             break;
4283         default:
4284             g_assert_not_reached();
4285     }
4286
4287     ob_debug("my head %d size %d", my_head, my_size);
4288     ob_debug("head %d tail %d deest %d", head, tail, *dest);
4289     if (!skip_head) {
4290         ob_debug("using near edge %d", head);
4291         *dest = head;
4292         *near_edge = TRUE;
4293     }
4294     else if (!skip_tail) {
4295         ob_debug("using far edge %d", tail);
4296         *dest = tail;
4297         *near_edge = FALSE;
4298     }
4299 }
4300
4301 void client_find_edge_directional(ObClient *self, ObDirection dir,
4302                                   gint my_head, gint my_size,
4303                                   gint my_edge_start, gint my_edge_size,
4304                                   gint *dest, gboolean *near_edge)
4305 {
4306     GList *it;
4307     Rect *a, *mon;
4308     Rect dock_area;
4309     gint edge;
4310
4311     Strut size;
4312     frame_engine->frame_get_size(self->frame, &size);
4313     Rect area;
4314     frame_engine->frame_get_window_area(self->frame, &area);
4315
4316     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
4317                     &area);
4318     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
4319                       &area);
4320
4321     switch (dir) {
4322     case OB_DIRECTION_NORTH:
4323         if (my_head >= RECT_TOP(*mon) + 1)
4324             edge = RECT_TOP(*mon) - 1;
4325         else
4326             edge = RECT_TOP(*a) - 1;
4327         break;
4328     case OB_DIRECTION_SOUTH:
4329         if (my_head <= RECT_BOTTOM(*mon) - 1)
4330             edge = RECT_BOTTOM(*mon) + 1;
4331         else
4332             edge = RECT_BOTTOM(*a) + 1;
4333         break;
4334     case OB_DIRECTION_EAST:
4335         if (my_head <= RECT_RIGHT(*mon) - 1)
4336             edge = RECT_RIGHT(*mon) + 1;
4337         else
4338             edge = RECT_RIGHT(*a) + 1;
4339         break;
4340     case OB_DIRECTION_WEST:
4341         if (my_head >= RECT_LEFT(*mon) + 1)
4342             edge = RECT_LEFT(*mon) - 1;
4343         else
4344             edge = RECT_LEFT(*a) - 1;
4345         break;
4346     default:
4347         g_assert_not_reached();
4348     }
4349     /* default to the far edge, then narrow it down */
4350     *dest = edge;
4351     *near_edge = TRUE;
4352
4353     for (it = client_list; it; it = g_list_next(it)) {
4354         ObClient *cur = it->data;
4355
4356         /* skip windows to not bump into */
4357         if (cur == self)
4358             continue;
4359         if (cur->iconic)
4360             continue;
4361         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4362             cur->desktop != screen_desktop)
4363             continue;
4364
4365         ob_debug("trying window %s", cur->title);
4366
4367         Rect area;
4368         frame_engine->frame_get_window_area(self->frame, &area);
4369         detect_edge(area, dir, my_head, my_size, my_edge_start,
4370                     my_edge_size, dest, near_edge);
4371     }
4372     dock_get_area(&dock_area);
4373     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4374                 my_edge_size, dest, near_edge);
4375     g_free(a);
4376     g_free(mon);
4377 }
4378
4379 void client_find_move_directional(ObClient *self, ObDirection dir,
4380                                   gint *x, gint *y)
4381 {
4382     gint head, size;
4383     gint e, e_start, e_size;
4384     gboolean near;
4385
4386
4387     Rect area;
4388     frame_engine->frame_get_window_area(self->frame, &area);
4389
4390     switch (dir) {
4391     case OB_DIRECTION_EAST:
4392         head = RECT_RIGHT(area);
4393         size = area.width;
4394         e_start = RECT_TOP(area);
4395         e_size = area.height;
4396         break;
4397     case OB_DIRECTION_WEST:
4398         head = RECT_LEFT(area);
4399         size = area.width;
4400         e_start = RECT_TOP(area);
4401         e_size = area.height;
4402         break;
4403     case OB_DIRECTION_NORTH:
4404         head = RECT_TOP(area);
4405         size = area.height;
4406         e_start = RECT_LEFT(area);
4407         e_size = area.width;
4408         break;
4409     case OB_DIRECTION_SOUTH:
4410         head = RECT_BOTTOM(area);
4411         size = area.height;
4412         e_start = RECT_LEFT(area);
4413         e_size = area.width;
4414         break;
4415     default:
4416         g_assert_not_reached();
4417     }
4418
4419     client_find_edge_directional(self, dir, head, size,
4420                                  e_start, e_size, &e, &near);
4421     *x = area.x;
4422     *y = area.y;
4423     switch (dir) {
4424     case OB_DIRECTION_EAST:
4425         if (near) e -= area.width;
4426         else      e++;
4427         *x = e;
4428         break;
4429     case OB_DIRECTION_WEST:
4430         if (near) e++;
4431         else      e -= area.width;
4432         *x = e;
4433         break;
4434     case OB_DIRECTION_NORTH:
4435         if (near) e++;
4436         else      e -= area.height;
4437         *y = e;
4438         break;
4439     case OB_DIRECTION_SOUTH:
4440         if (near) e -= area.height;
4441         else      e++;
4442         *y = e;
4443         break;
4444     default:
4445         g_assert_not_reached();
4446     }
4447     frame_frame_gravity(self, x, y);
4448 }
4449
4450 void client_find_resize_directional(ObClient *self, ObDirection side,
4451                                     gboolean grow,
4452                                     gint *x, gint *y, gint *w, gint *h)
4453 {
4454     gint head;
4455     gint e, e_start, e_size, delta;
4456     gboolean near;
4457     ObDirection dir;
4458
4459     Rect area;
4460     frame_engine->frame_get_window_area(self->frame, &area);
4461     Strut size;
4462     frame_engine->frame_get_size(self->frame, &size);
4463
4464     switch (side) {
4465     case OB_DIRECTION_EAST:
4466         head = RECT_RIGHT(area) +
4467             (self->size_inc.width - 1) * (grow ? 1 : -1);
4468         e_start = RECT_TOP(area);
4469         e_size = area.height;
4470         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4471         break;
4472     case OB_DIRECTION_WEST:
4473         head = RECT_LEFT(area) -
4474             (self->size_inc.width - 1) * (grow ? 1 : -1);
4475         e_start = RECT_TOP(area);
4476         e_size = area.height;
4477         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4478         break;
4479     case OB_DIRECTION_NORTH:
4480         head = RECT_TOP(area) -
4481             (self->size_inc.height - 1) * (grow ? 1 : -1);
4482         e_start = RECT_LEFT(area);
4483         e_size = area.width;
4484         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4485         break;
4486     case OB_DIRECTION_SOUTH:
4487         head = RECT_BOTTOM(area) +
4488             (self->size_inc.height - 1) * (grow ? 1 : -1);
4489         e_start = RECT_LEFT(area);
4490         e_size = area.width;
4491         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4492         break;
4493     default:
4494         g_assert_not_reached();
4495     }
4496
4497     ob_debug("head %d dir %d", head, dir);
4498     client_find_edge_directional(self, dir, head, 1,
4499                                  e_start, e_size, &e, &near);
4500     ob_debug("edge %d", e);
4501     *x = area.x;
4502     *y = area.y;
4503     *w = area.width;
4504     *h = area.height;
4505     switch (side) {
4506     case OB_DIRECTION_EAST:
4507         if (grow == near) --e;
4508         delta = e - RECT_RIGHT(area);
4509         *w += delta;
4510         break;
4511     case OB_DIRECTION_WEST:
4512         if (grow == near) ++e;
4513         delta = RECT_LEFT(area) - e;
4514         *x -= delta;
4515         *w += delta;
4516         break;
4517     case OB_DIRECTION_NORTH:
4518         if (grow == near) ++e;
4519         delta = RECT_TOP(area) - e;
4520         *y -= delta;
4521         *h += delta;
4522         break;
4523     case OB_DIRECTION_SOUTH:
4524         if (grow == near) --e;
4525         delta = e - RECT_BOTTOM(area);
4526         *h += delta;
4527         break;
4528     default:
4529         g_assert_not_reached();
4530     }
4531     frame_frame_gravity(self, x, y);
4532     *w -= size.left + size.right;
4533     *h -= size.top + size.bottom;
4534 }
4535
4536 ObClient* client_under_pointer(void)
4537 {
4538     gint x, y;
4539     GList *it;
4540     ObClient *ret = NULL;
4541
4542     if (screen_pointer_pos(&x, &y)) {
4543         for (it = stacking_list; it; it = g_list_next(it)) {
4544             if (WINDOW_IS_CLIENT(it->data)) {
4545                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4546                 Rect area;
4547                 frame_engine->frame_get_window_area(c->frame, &area);
4548                 if (frame_engine->frame_is_visible(c->frame) &&
4549                     /* check the desktop, this is done during desktop
4550                        switching and windows are shown/hidden status is not
4551                        reliable */
4552                     (c->desktop == screen_desktop ||
4553                      c->desktop == DESKTOP_ALL) &&
4554                     RECT_CONTAINS(area, x, y))
4555                 {
4556                     ret = c;
4557                     break;
4558                 }
4559             }
4560         }
4561     }
4562     return ret;
4563 }
4564
4565 gboolean client_has_group_siblings(ObClient *self)
4566 {
4567     return self->group && self->group->members->next;
4568 }
4569
4570 void client_show_frame(ObClient * self)
4571 {
4572     frame_engine->frame_set_is_visible(self->frame, TRUE);
4573     frame_engine->frame_update_layout(self->frame, self->area, FALSE, FALSE);
4574     /* if this occurs while we are focus cycling, the indicator needs to
4575      match the changes */
4576     if (focus_cycle_target == self)
4577         focus_cycle_draw_indicator(self);
4578     frame_engine->frame_update_skin(self->frame);
4579     /* Grab the server to make sure that the frame window is mapped before
4580      the client gets its MapNotify, i.e. to make sure the client is
4581      _visible_ when it gets MapNotify. */
4582     grab_server(TRUE);
4583     XMapWindow(obt_display, self->w_client);
4584     XMapWindow(obt_display, self->w_frame);
4585     grab_server(FALSE);
4586 }
4587
4588 void client_hide_frame(ObClient * self)
4589 {
4590     frame_engine->frame_set_is_visible(self->frame, FALSE);
4591     XUnmapWindow(obt_display, self->w_frame);
4592     /* we unmap the client itself so that we can get MapRequest
4593      events, and because the ICCCM tells us to! */
4594     XUnmapWindow(obt_display, self->w_client);
4595     self->ignore_unmaps++;
4596 }
4597
4598 gboolean client_flash_timeout(gpointer data)
4599 {
4600     ObClient * self = (ObClient *) data;
4601     GTimeVal now;
4602     g_get_current_time(&now);
4603
4604     if (now.tv_sec > self->flash_end.tv_sec
4605             || (now.tv_sec == self->flash_end.tv_sec && now.tv_usec
4606                     >= self->flash_end.tv_usec))
4607         self->flashing = FALSE;
4608
4609     if (!self->flashing)
4610         return FALSE; /* we are done */
4611
4612     self->flash_on = !self->flash_on;
4613     if (!self->focused) {
4614         frame_engine->frame_set_is_focus(self->frame, self->flash_on);
4615         frame_engine->frame_update_skin (self->frame);
4616         self->focused = FALSE;
4617     }
4618     return TRUE; /* go again */
4619 }
4620
4621 void client_flash_start(ObClient * self)
4622 {
4623     self->flash_on = self->focused;
4624     if (!self->flashing)
4625         obt_main_loop_timeout_add(ob_main_loop, G_USEC_PER_SEC * 0.6,
4626                 client_flash_timeout, self, g_direct_equal, client_flash_done);
4627     g_get_current_time(&self->flash_end);
4628     g_time_val_add(&self->flash_end, G_USEC_PER_SEC * 5);
4629
4630     self->flashing = TRUE;
4631 }
4632
4633 void client_flash_stop(ObClient * self)
4634 {
4635     self->flashing = FALSE;
4636 }
4637
4638 void client_flash_done(gpointer data)
4639 {
4640     ObClient * self = (ObClient *) data;
4641     if (self->focused != self->flash_on)
4642     {
4643         frame_engine->frame_set_is_focus(self->frame, self->focused);
4644         frame_engine->frame_update_skin (self->frame);
4645     }
4646 }