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