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 "xerror.h"
  25 #include "screen.h"
  26 #include "moveresize.h"
  27 #include "ping.h"
  28 #include "place.h"
  29 #include "prop.h"
  30 #include "extensions.h"
  31 #include "frame.h"
  32 #include "session.h"
  33 #include "event.h"
  34 #include "grab.h"
  35 #include "focus.h"
  36 #include "stacking.h"
  37 #include "openbox.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
  46 #ifdef HAVE_UNISTD_H
  47 #  include <unistd.h>
  48 #endif
  49
  50 #ifdef HAVE_SIGNAL_H
  51 #  include <signal.h> /* for kill() */
  52 #endif
  53
  54 #include <glib.h>
  55 #include <X11/Xutil.h>
  56
  57 /*! The event mask to grab on client windows */
  58 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  59                           ColormapChangeMask)
  60
  61 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  62                                 ButtonMotionMask)
  63
  64 typedef struct
  65 {
  66     ObClientCallback func;
  67     gpointer data;
  68 } ClientCallback;
  69
  70 GList            *client_list          = NULL;
  71
  72 static GSList *client_destroy_notifies = NULL;
  73
  74 static void client_get_all(ObClient *self, gboolean real);
  75 static void client_get_startup_id(ObClient *self);
  76 static void client_get_session_ids(ObClient *self);
  77 static void client_get_area(ObClient *self);
  78 static void client_get_desktop(ObClient *self);
  79 static void client_get_state(ObClient *self);
  80 static void client_get_shaped(ObClient *self);
  81 static void client_get_mwm_hints(ObClient *self);
  82 static void client_get_colormap(ObClient *self);
  83 static void client_set_desktop_recursive(ObClient *self,
  84                                          guint target,
  85                                          gboolean donthide,
  86                                          gboolean dontraise);
  87 static void client_change_allowed_actions(ObClient *self);
  88 static void client_change_state(ObClient *self);
  89 static void client_change_wm_state(ObClient *self);
  90 static void client_apply_startup_state(ObClient *self,
  91                                        gint x, gint y, gint w, gint h);
  92 static void client_restore_session_state(ObClient *self);
  93 static gboolean client_restore_session_stacking(ObClient *self);
  94 static ObAppSettings *client_get_settings_state(ObClient *self);
  95 static void client_update_transient_tree(ObClient *self,
  96                                          ObGroup *oldgroup, ObGroup *newgroup,
  97                                          gboolean oldgtran, gboolean newgtran,
  98                                          ObClient* oldparent,
  99                                          ObClient *newparent);
 100 static void client_present(ObClient *self, gboolean here, gboolean raise,
 101                            gboolean unshade);
 102 static GSList *client_search_all_top_parents_internal(ObClient *self,
 103                                                       gboolean bylayer,
 104                                                       ObStackingLayer layer);
 105 static void client_call_notifies(ObClient *self, GSList *list);
 106 static void client_ping_event(ObClient *self, gboolean dead);
 107
 108
 109 void client_startup(gboolean reconfig)
 110 {
 111     if (reconfig) return;
 112
 113     client_set_list();
 114 }
 115
 116 void client_shutdown(gboolean reconfig)
 117 {
 118     if (reconfig) return;
 119 }
 120
 121 static void client_call_notifies(ObClient *self, GSList *list)
 122 {
 123     GSList *it;
 124
 125     for (it = list; it; it = g_slist_next(it)) {
 126         ClientCallback *d = it->data;
 127         d->func(self, d->data);
 128     }
 129 }
 130
 131 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 132 {
 133     ClientCallback *d = g_new(ClientCallback, 1);
 134     d->func = func;
 135     d->data = data;
 136     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 137 }
 138
 139 void client_remove_destroy_notify(ObClientCallback func)
 140 {
 141     GSList *it;
 142
 143     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 144         ClientCallback *d = it->data;
 145         if (d->func == func) {
 146             g_free(d);
 147             client_destroy_notifies =
 148                 g_slist_delete_link(client_destroy_notifies, it);
 149             break;
 150         }
 151     }
 152 }
 153
 154 void client_set_list(void)
 155 {
 156     Window *windows, *win_it;
 157     GList *it;
 158     guint size = g_list_length(client_list);
 159
 160     /* create an array of the window ids */
 161     if (size > 0) {
 162         windows = g_new(Window, size);
 163         win_it = windows;
 164         for (it = client_list; it; it = g_list_next(it), ++win_it)
 165             *win_it = ((ObClient*)it->data)->window;
 166     } else
 167         windows = NULL;
 168
 169     PROP_SETA32(RootWindow(ob_display, ob_screen),
 170                 net_client_list, window, (gulong*)windows, size);
 171
 172     if (windows)
 173         g_free(windows);
 174
 175     stacking_set_list();
 176 }
 177
 178 void client_manage_all(void)
 179 {
 180     guint i, j, nchild;
 181     Window w, *children;
 182     XWMHints *wmhints;
 183     XWindowAttributes attrib;
 184
 185     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 186                &w, &w, &children, &nchild);
 187
 188     /* remove all icon windows from the list */
 189     for (i = 0; i < nchild; i++) {
 190         if (children[i] == None) continue;
 191         wmhints = XGetWMHints(ob_display, children[i]);
 192         if (wmhints) {
 193             if ((wmhints->flags & IconWindowHint) &&
 194                 (wmhints->icon_window != children[i]))
 195                 for (j = 0; j < nchild; j++)
 196                     if (children[j] == wmhints->icon_window) {
 197                         children[j] = None;
 198                         break;
 199                     }
 200             XFree(wmhints);
 201         }
 202     }
 203
 204     for (i = 0; i < nchild; ++i) {
 205         if (children[i] == None)
 206             continue;
 207         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 208             if (attrib.override_redirect) continue;
 209
 210             if (attrib.map_state != IsUnmapped)
 211                 client_manage(children[i]);
 212         }
 213     }
 214     XFree(children);
 215 }
 216
 217 void client_manage(Window window)
 218 {
 219     ObClient *self;
 220     XEvent e;
 221     XWindowAttributes attrib;
 222     XSetWindowAttributes attrib_set;
 223     XWMHints *wmhint;
 224     gboolean activate = FALSE;
 225     ObAppSettings *settings;
 226     gboolean transient = FALSE;
 227     Rect place, *monitor;
 228     Time launch_time, map_time;
 229
 230     grab_server(TRUE);
 231
 232     /* check if it has already been unmapped by the time we started
 233        mapping. the grab does a sync so we don't have to here */
 234     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 235         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 236     {
 237         XPutBackEvent(ob_display, &e);
 238
 239         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 240         grab_server(FALSE);
 241         return; /* don't manage it */
 242     }
 243
 244     /* make sure it isn't an override-redirect window */
 245     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 246         attrib.override_redirect)
 247     {
 248         grab_server(FALSE);
 249         return; /* don't manage it */
 250     }
 251
 252     /* is the window a docking app */
 253     if ((wmhint = XGetWMHints(ob_display, window))) {
 254         if ((wmhint->flags & StateHint) &&
 255             wmhint->initial_state == WithdrawnState)
 256         {
 257             dock_add(window, wmhint);
 258             grab_server(FALSE);
 259             XFree(wmhint);
 260             return;
 261         }
 262         XFree(wmhint);
 263     }
 264
 265     ob_debug("Managing window: 0x%lx\n", window);
 266
 267     map_time = event_get_server_time();
 268
 269     /* choose the events we want to receive on the CLIENT window */
 270     attrib_set.event_mask = CLIENT_EVENTMASK;
 271     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 272     XChangeWindowAttributes(ob_display, window,
 273                             CWEventMask|CWDontPropagate, &attrib_set);
 274
 275     /* create the ObClient struct, and populate it from the hints on the
 276        window */
 277     self = g_new0(ObClient, 1);
 278     self->obwin.type = Window_Client;
 279     self->window = window;
 280
 281     /* non-zero defaults */
 282     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 283     self->gravity = NorthWestGravity;
 284     self->desktop = screen_num_desktops; /* always an invalid value */
 285
 286     /* get all the stuff off the window */
 287     client_get_all(self, TRUE);
 288
 289     ob_debug("Window type: %d\n", self->type);
 290     ob_debug("Window group: 0x%x\n", self->group?self->group->leader:0);
 291
 292     /* specify that if we exit, the window should not be destroyed and
 293        should be reparented back to root automatically */
 294     XChangeSaveSet(ob_display, window, SetModeInsert);
 295
 296     /* create the decoration frame for the client window */
 297     self->frame = frame_new(self);
 298
 299     frame_grab_client(self->frame);
 300
 301     /* we've grabbed everything and set everything that we need to at mapping
 302        time now */
 303     grab_server(FALSE);
 304
 305     /* per-app settings override stuff from client_get_all, and return the
 306        settings for other uses too. the returned settings is a shallow copy,
 307        that needs to be freed with g_free(). */
 308     settings = client_get_settings_state(self);
 309     /* the session should get the last say though */
 310     client_restore_session_state(self);
 311
 312     /* now we have all of the window's information so we can set this up */
 313     client_setup_decor_and_functions(self, FALSE);
 314
 315     /* tell startup notification that this app started */
 316     launch_time = sn_app_started(self->startup_id, self->class, self->name);
 317
 318     /* do this after we have a frame.. it uses the frame to help determine the
 319        WM_STATE to apply. */
 320     client_change_state(self);
 321
 322     /* add ourselves to the focus order */
 323     focus_order_add_new(self);
 324
 325     /* do this to add ourselves to the stacking list in a non-intrusive way */
 326     client_calc_layer(self);
 327
 328     /* focus the new window? */
 329     if (ob_state() != OB_STATE_STARTING &&
 330         (!self->session || self->session->focused) &&
 331         /* this means focus=true for window is same as config_focus_new=true */
 332         ((config_focus_new || (settings && settings->focus == 1)) ||
 333          client_search_focus_tree_full(self)) &&
 334         /* this checks for focus=false for the window */
 335         (!settings || settings->focus != 0) &&
 336         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
 337     {
 338         activate = TRUE;
 339     }
 340
 341     /* remove the client's border */
 342     XSetWindowBorderWidth(ob_display, self->window, 0);
 343
 344     /* adjust the frame to the client's size before showing or placing
 345        the window */
 346     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 347     frame_adjust_client_area(self->frame);
 348
 349     /* where the frame was placed is where the window was originally */
 350     place = self->area;
 351     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
 352
 353     /* figure out placement for the window if the window is new */
 354     if (ob_state() == OB_STATE_RUNNING) {
 355         ob_debug("Positioned: %s @ %d %d\n",
 356                  (!self->positioned ? "no" :
 357                   (self->positioned == PPosition ? "program specified" :
 358                    (self->positioned == USPosition ? "user specified" :
 359                     (self->positioned == (PPosition | USPosition) ?
 360                      "program + user specified" :
 361                      "BADNESS !?")))), place.x, place.y);
 362
 363         ob_debug("Sized: %s @ %d %d\n",
 364                  (!self->sized ? "no" :
 365                   (self->sized == PSize ? "program specified" :
 366                    (self->sized == USSize ? "user specified" :
 367                     (self->sized == (PSize | USSize) ?
 368                      "program + user specified" :
 369                      "BADNESS !?")))), place.width, place.height);
 370
 371         /* splash screens are also returned as TRUE for transient,
 372            and so will be forced on screen below */
 373         transient = place_client(self, &place.x, &place.y, settings);
 374
 375         /* make sure the window is visible. */
 376         client_find_onscreen(self, &place.x, &place.y,
 377                              place.width, place.height,
 378                              /* non-normal clients has less rules, and
 379                                 windows that are being restored from a
 380                                 session do also. we can assume you want
 381                                 it back where you saved it. Clients saying
 382                                 they placed themselves are subjected to
 383                                 harder rules, ones that are placed by
 384                                 place.c or by the user are allowed partially
 385                                 off-screen and on xinerama divides (ie,
 386                                 it is up to the placement routines to avoid
 387                                 the xinerama divides)
 388
 389                                 splash screens get "transient" set to TRUE by
 390                                 the place_client call
 391                              */
 392                              ob_state() == OB_STATE_RUNNING &&
 393                              (transient ||
 394                               (!((self->positioned & USPosition) ||
 395                                  (settings && settings->pos_given)) &&
 396                                client_normal(self) &&
 397                                !self->session &&
 398                                /* don't move oldschool fullscreen windows to
 399                                   fit inside the struts (fixes Acroread, which
 400                                   makes its fullscreen window fit the screen
 401                                   but it is not USSize'd or USPosition'd) */
 402                                !(self->decorations == 0 &&
 403                                  RECT_EQUAL(place, *monitor)))));
 404     }
 405
 406     /* if the window isn't user-sized, then make it fit inside
 407        the visible screen area on its monitor. Use basically the same rules
 408        for forcing the window on screen in the client_find_onscreen call.
 409
 410        do this after place_client, it chooses the monitor!
 411
 412        splash screens get "transient" set to TRUE by
 413        the place_client call
 414     */
 415     if (ob_state() == OB_STATE_RUNNING &&
 416         (transient ||
 417          (!(self->sized & USSize || self->positioned & USPosition) &&
 418           client_normal(self) &&
 419           !self->session &&
 420           /* don't shrink oldschool fullscreen windows to fit inside the
 421              struts (fixes Acroread, which makes its fullscreen window
 422              fit the screen but it is not USSize'd or USPosition'd) */
 423           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
 424     {
 425         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
 426
 427         /* get the size of the frame */
 428         place.width += self->frame->size.left + self->frame->size.right;
 429         place.height += self->frame->size.top + self->frame->size.bottom;
 430
 431         /* fit the window inside the area */
 432         place.width = MIN(place.width, a->width);
 433         place.height = MIN(place.height, a->height);
 434
 435         ob_debug("setting window size to %dx%d\n", place.width, place.height);
 436
 437         /* get the size of the client back */
 438         place.width -= self->frame->size.left + self->frame->size.right;
 439         place.height -= self->frame->size.top + self->frame->size.bottom;
 440
 441         g_free(a);
 442     }
 443
 444     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 445              "some restrictions may apply\n",
 446              self->window, place.x, place.y, place.width, place.height);
 447     if (self->session)
 448         ob_debug("  but session requested %d, %d  %d x %d instead, "
 449                  "overriding\n",
 450                  self->session->x, self->session->y,
 451                  self->session->w, self->session->h);
 452
 453     /* do this after the window is placed, so the premax/prefullscreen numbers
 454        won't be all wacko!!
 455
 456        this also places the window
 457     */
 458     client_apply_startup_state(self, place.x, place.y,
 459                                place.width, place.height);
 460
 461     g_free(monitor);
 462     monitor = NULL;
 463
 464     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s\n",
 465                   activate ? "yes" : "no");
 466     if (activate) {
 467         gboolean raise = FALSE;
 468
 469         /* This is focus stealing prevention */
 470         ob_debug_type(OB_DEBUG_FOCUS,
 471                       "Want to focus new window 0x%x at time %u "
 472                       "launched at %u (last user interaction time %u)\n",
 473                       self->window, map_time, launch_time,
 474                       event_last_user_time);
 475
 476         if (menu_frame_visible || moveresize_in_progress) {
 477             activate = FALSE;
 478             raise = TRUE;
 479             ob_debug_type(OB_DEBUG_FOCUS,
 480                           "Not focusing the window because the user is inside "
 481                           "an Openbox menu or is move/resizing a window and "
 482                           "we don't want to interrupt them\n");
 483         }
 484
 485         /* if it's on another desktop */
 486         else if (!(self->desktop == screen_desktop ||
 487                    self->desktop == DESKTOP_ALL) &&
 488                  /* the timestamp is from before you changed desktops */
 489                  launch_time && screen_desktop_user_time &&
 490                  !event_time_after(launch_time, screen_desktop_user_time))
 491         {
 492             activate = FALSE;
 493             raise = TRUE;
 494             ob_debug_type(OB_DEBUG_FOCUS,
 495                           "Not focusing the window because its on another "
 496                           "desktop\n");
 497         }
 498         /* If something is focused, and it's not our relative... */
 499         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
 500                  client_search_focus_group_full(self) == NULL)
 501         {
 502             /* If the user is working in another window right now, then don't
 503                steal focus */
 504             if (event_last_user_time && launch_time &&
 505                 event_time_after(event_last_user_time, launch_time) &&
 506                 event_last_user_time != launch_time &&
 507                 event_time_after(event_last_user_time,
 508                                  map_time - OB_EVENT_USER_TIME_DELAY))
 509             {
 510                 activate = FALSE;
 511                 ob_debug_type(OB_DEBUG_FOCUS,
 512                               "Not focusing the window because the user is "
 513                               "working in another window\n");
 514             }
 515             /* If its a transient (and its parents aren't focused) */
 516             else if (client_has_parent(self)) {
 517                 activate = FALSE;
 518                 ob_debug_type(OB_DEBUG_FOCUS,
 519                               "Not focusing the window because it is a "
 520                               "transient, and its relatives aren't focused\n");
 521             }
 522             /* Don't steal focus from globally active clients.
 523                I stole this idea from KWin. It seems nice.
 524              */
 525             else if (!(focus_client->can_focus ||
 526                        focus_client->focus_notify))
 527             {
 528                 activate = FALSE;
 529                 ob_debug_type(OB_DEBUG_FOCUS,
 530                               "Not focusing the window because a globally "
 531                               "active client has focus\n");
 532             }
 533             /* Don't move focus if it's not going to go to this window
 534                anyway */
 535             else if (client_focus_target(self) != self) {
 536                 activate = FALSE;
 537                 raise = TRUE;
 538                 ob_debug_type(OB_DEBUG_FOCUS,
 539                               "Not focusing the window because another window "
 540                               "would get the focus anyway\n");
 541             }
 542             else if (!(self->desktop == screen_desktop ||
 543                        self->desktop == DESKTOP_ALL))
 544             {
 545                 activate = FALSE;
 546                 raise = TRUE;
 547                 ob_debug_type(OB_DEBUG_FOCUS,
 548                               "Not focusing the window because it is on "
 549                               "another desktop and no relatives are focused ");
 550             }
 551         }
 552
 553         if (!activate) {
 554             ob_debug_type(OB_DEBUG_FOCUS,
 555                           "Focus stealing prevention activated for %s at "
 556                           "time %u (last user interactioon time %u)\n",
 557                           self->title, map_time, event_last_user_time);
 558             /* if the client isn't focused, then hilite it so the user
 559                knows it is there */
 560             client_hilite(self, TRUE);
 561             /* we may want to raise it even tho we're not activating it */
 562             if (raise && !client_restore_session_stacking(self))
 563                 stacking_raise(CLIENT_AS_WINDOW(self));
 564         }
 565     }
 566     else {
 567         /* This may look rather odd. Well it's because new windows are added
 568            to the stacking order non-intrusively. If we're not going to focus
 569            the new window or hilite it, then we raise it to the top. This will
 570            take affect for things that don't get focused like splash screens.
 571            Also if you don't have focus_new enabled, then it's going to get
 572            raised to the top. Legacy begets legacy I guess?
 573         */
 574         if (!client_restore_session_stacking(self))
 575             stacking_raise(CLIENT_AS_WINDOW(self));
 576     }
 577
 578     mouse_grab_for_client(self, TRUE);
 579
 580     /* this has to happen before we try focus the window, but we want it to
 581        happen after the client's stacking has been determined or it looks bad
 582     */
 583     {
 584         gulong ignore_start;
 585         if (!config_focus_under_mouse)
 586             ignore_start = event_start_ignore_all_enters();
 587
 588         client_show(self);
 589
 590         if (!config_focus_under_mouse)
 591             event_end_ignore_all_enters(ignore_start);
 592     }
 593
 594     if (activate) {
 595         gboolean stacked = client_restore_session_stacking(self);
 596         client_present(self, FALSE, !stacked, TRUE);
 597     }
 598
 599     /* add to client list/map */
 600     client_list = g_list_append(client_list, self);
 601     g_hash_table_insert(window_map, &self->window, self);
 602
 603     /* this has to happen after we're in the client_list */
 604     if (STRUT_EXISTS(self->strut))
 605         screen_update_areas();
 606
 607     /* update the list hints */
 608     client_set_list();
 609
 610     /* watch for when the application stops responding.  only do this for
 611        normal windows, i.e. windows which have titlebars and close buttons
 612        and things like that.
 613        we don't need to stop pinging on unmanage, because it will be handled
 614        automatically by the destroy callback!
 615     */
 616     if (self->ping && client_normal(self))
 617         ping_start(self, client_ping_event);
 618
 619     /* free the ObAppSettings shallow copy */
 620     g_free(settings);
 621
 622     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 623              window, self->frame->window, self->class);
 624
 625     return;
 626 }
 627
 628
 629 ObClient *client_fake_manage(Window window)
 630 {
 631     ObClient *self;
 632     ObAppSettings *settings;
 633
 634     ob_debug("Pretend-managing window: %lx\n", window);
 635
 636     /* do this minimal stuff to figure out the client's decorations */
 637
 638     self = g_new0(ObClient, 1);
 639     self->window = window;
 640
 641     client_get_all(self, FALSE);
 642     /* per-app settings override stuff, and return the settings for other
 643        uses too. this returns a shallow copy that needs to be freed */
 644     settings = client_get_settings_state(self);
 645
 646     client_setup_decor_and_functions(self, FALSE);
 647
 648     /* create the decoration frame for the client window and adjust its size */
 649     self->frame = frame_new(self);
 650     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 651
 652     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 653              self->frame->size.left, self->frame->size.right,
 654              self->frame->size.top, self->frame->size.bottom);
 655
 656     /* free the ObAppSettings shallow copy */
 657     g_free(settings);
 658
 659     return self;
 660 }
 661
 662 void client_unmanage_all(void)
 663 {
 664     while (client_list != NULL)
 665         client_unmanage(client_list->data);
 666 }
 667
 668 void client_unmanage(ObClient *self)
 669 {
 670     guint j;
 671     GSList *it;
 672     gulong ignore_start;
 673
 674     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 675              self->window, self->frame->window,
 676              self->class, self->title ? self->title : "");
 677
 678     g_assert(self != NULL);
 679
 680     /* we dont want events no more. do this before hiding the frame so we
 681        don't generate more events */
 682     XSelectInput(ob_display, self->window, NoEventMask);
 683
 684     /* ignore enter events from the unmap so it doesnt mess with the focus */
 685     if (!config_focus_under_mouse)
 686         ignore_start = event_start_ignore_all_enters();
 687
 688     frame_hide(self->frame);
 689     /* flush to send the hide to the server quickly */
 690     XFlush(ob_display);
 691
 692     if (!config_focus_under_mouse)
 693         event_end_ignore_all_enters(ignore_start);
 694
 695     mouse_grab_for_client(self, FALSE);
 696
 697     /* remove the window from our save set */
 698     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 699
 700     /* update the focus lists */
 701     focus_order_remove(self);
 702     if (client_focused(self)) {
 703         /* don't leave an invalid focus_client */
 704         focus_client = NULL;
 705     }
 706
 707     client_list = g_list_remove(client_list, self);
 708     stacking_remove(self);
 709     g_hash_table_remove(window_map, &self->window);
 710
 711     /* once the client is out of the list, update the struts to remove its
 712        influence */
 713     if (STRUT_EXISTS(self->strut))
 714         screen_update_areas();
 715
 716     client_call_notifies(self, client_destroy_notifies);
 717
 718     /* tell our parent(s) that we're gone */
 719     for (it = self->parents; it; it = g_slist_next(it))
 720         ((ObClient*)it->data)->transients =
 721             g_slist_remove(((ObClient*)it->data)->transients,self);
 722
 723     /* tell our transients that we're gone */
 724     for (it = self->transients; it; it = g_slist_next(it)) {
 725         ((ObClient*)it->data)->parents =
 726             g_slist_remove(((ObClient*)it->data)->parents, self);
 727         /* we could be keeping our children in a higher layer */
 728         client_calc_layer(it->data);
 729     }
 730
 731     /* remove from its group */
 732     if (self->group) {
 733         group_remove(self->group, self);
 734         self->group = NULL;
 735     }
 736
 737     /* restore the window's original geometry so it is not lost */
 738     {
 739         Rect a;
 740
 741         a = self->area;
 742
 743         if (self->fullscreen)
 744             a = self->pre_fullscreen_area;
 745         else if (self->max_horz || self->max_vert) {
 746             if (self->max_horz) {
 747                 a.x = self->pre_max_area.x;
 748                 a.width = self->pre_max_area.width;
 749             }
 750             if (self->max_vert) {
 751                 a.y = self->pre_max_area.y;
 752                 a.height = self->pre_max_area.height;
 753             }
 754         }
 755
 756         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 757         /* let it be moved and resized no matter what */
 758         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 759         self->decorations = 0; /* unmanaged windows have no decor */
 760
 761         /* give the client its border back */
 762         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 763
 764         client_move_resize(self, a.x, a.y, a.width, a.height);
 765     }
 766
 767     /* reparent the window out of the frame, and free the frame */
 768     frame_release_client(self->frame);
 769     frame_free(self->frame);
 770     self->frame = NULL;
 771
 772     if (ob_state() != OB_STATE_EXITING) {
 773         /* these values should not be persisted across a window
 774            unmapping/mapping */
 775         PROP_ERASE(self->window, net_wm_desktop);
 776         PROP_ERASE(self->window, net_wm_state);
 777         PROP_ERASE(self->window, wm_state);
 778     } else {
 779         /* if we're left in an unmapped state, the client wont be mapped.
 780            this is bad, since we will no longer be managing the window on
 781            restart */
 782         XMapWindow(ob_display, self->window);
 783     }
 784
 785     /* these should not be left on the window ever.  other window managers
 786        don't necessarily use them and it will mess them up (like compiz) */
 787     PROP_ERASE(self->window, net_wm_visible_name);
 788     PROP_ERASE(self->window, net_wm_visible_icon_name);
 789
 790     /* update the list hints */
 791     client_set_list();
 792
 793     ob_debug("Unmanaged window 0x%lx\n", self->window);
 794
 795     /* free all data allocated in the client struct */
 796     g_slist_free(self->transients);
 797     for (j = 0; j < self->nicons; ++j)
 798         g_free(self->icons[j].data);
 799     if (self->nicons > 0)
 800         g_free(self->icons);
 801     g_free(self->startup_id);
 802     g_free(self->wm_command);
 803     g_free(self->title);
 804     g_free(self->icon_title);
 805     g_free(self->name);
 806     g_free(self->class);
 807     g_free(self->role);
 808     g_free(self->client_machine);
 809     g_free(self->sm_client_id);
 810     g_free(self);
 811 }
 812
 813 void client_fake_unmanage(ObClient *self)
 814 {
 815     /* this is all that got allocated to get the decorations */
 816
 817     frame_free(self->frame);
 818     g_free(self);
 819 }
 820
 821 /*! Returns a new structure containing the per-app settings for this client.
 822   The returned structure needs to be freed with g_free. */
 823 static ObAppSettings *client_get_settings_state(ObClient *self)
 824 {
 825     ObAppSettings *settings;
 826     GSList *it;
 827
 828     settings = config_create_app_settings();
 829
 830     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 831         ObAppSettings *app = it->data;
 832         gboolean match = TRUE;
 833
 834         g_assert(app->name != NULL || app->class != NULL);
 835
 836         /* we know that either name or class is not NULL so it will have to
 837            match to use the rule */
 838         if (app->name &&
 839             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 840             match = FALSE;
 841         else if (app->class &&
 842                 !g_pattern_match(app->class,
 843                                  strlen(self->class), self->class, NULL))
 844             match = FALSE;
 845         else if (app->role &&
 846                  !g_pattern_match(app->role,
 847                                   strlen(self->role), self->role, NULL))
 848             match = FALSE;
 849
 850         if (match) {
 851             ob_debug("Window matching: %s\n", app->name);
 852
 853             /* copy the settings to our struct, overriding the existing
 854                settings if they are not defaults */
 855             config_app_settings_copy_non_defaults(app, settings);
 856         }
 857     }
 858
 859     if (settings->shade != -1)
 860         self->shaded = !!settings->shade;
 861     if (settings->decor != -1)
 862         self->undecorated = !settings->decor;
 863     if (settings->iconic != -1)
 864         self->iconic = !!settings->iconic;
 865     if (settings->skip_pager != -1)
 866         self->skip_pager = !!settings->skip_pager;
 867     if (settings->skip_taskbar != -1)
 868         self->skip_taskbar = !!settings->skip_taskbar;
 869
 870     if (settings->max_vert != -1)
 871         self->max_vert = !!settings->max_vert;
 872     if (settings->max_horz != -1)
 873         self->max_horz = !!settings->max_horz;
 874
 875     if (settings->fullscreen != -1)
 876         self->fullscreen = !!settings->fullscreen;
 877
 878     if (settings->desktop) {
 879         if (settings->desktop == DESKTOP_ALL)
 880             self->desktop = settings->desktop;
 881         else if (settings->desktop > 0 &&
 882                  settings->desktop <= screen_num_desktops)
 883             self->desktop = settings->desktop - 1;
 884     }
 885
 886     if (settings->layer == -1) {
 887         self->below = TRUE;
 888         self->above = FALSE;
 889     }
 890     else if (settings->layer == 0) {
 891         self->below = FALSE;
 892         self->above = FALSE;
 893     }
 894     else if (settings->layer == 1) {
 895         self->below = FALSE;
 896         self->above = TRUE;
 897     }
 898     return settings;
 899 }
 900
 901 static void client_restore_session_state(ObClient *self)
 902 {
 903     GList *it;
 904
 905     ob_debug_type(OB_DEBUG_SM,
 906                   "Restore session for client %s\n", self->title);
 907
 908     if (!(it = session_state_find(self))) {
 909         ob_debug_type(OB_DEBUG_SM,
 910                       "Session data not found for client %s\n", self->title);
 911         return;
 912     }
 913
 914     self->session = it->data;
 915
 916     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 917                   self->title);
 918
 919     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 920     self->positioned = USPosition;
 921     self->sized = USSize;
 922     if (self->session->w > 0)
 923         self->area.width = self->session->w;
 924     if (self->session->h > 0)
 925         self->area.height = self->session->h;
 926     XResizeWindow(ob_display, self->window,
 927                   self->area.width, self->area.height);
 928
 929     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 930                      self->session->desktop :
 931                      MIN(screen_num_desktops - 1, self->session->desktop));
 932     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 933
 934     self->shaded = self->session->shaded;
 935     self->iconic = self->session->iconic;
 936     self->skip_pager = self->session->skip_pager;
 937     self->skip_taskbar = self->session->skip_taskbar;
 938     self->fullscreen = self->session->fullscreen;
 939     self->above = self->session->above;
 940     self->below = self->session->below;
 941     self->max_horz = self->session->max_horz;
 942     self->max_vert = self->session->max_vert;
 943     self->undecorated = self->session->undecorated;
 944 }
 945
 946 static gboolean client_restore_session_stacking(ObClient *self)
 947 {
 948     GList *it, *mypos;
 949
 950     if (!self->session) return FALSE;
 951
 952     mypos = g_list_find(session_saved_state, self->session);
 953     if (!mypos) return FALSE;
 954
 955     /* start above me and look for the first client */
 956     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 957         GList *cit;
 958
 959         for (cit = client_list; cit; cit = g_list_next(cit)) {
 960             ObClient *c = cit->data;
 961             /* found a client that was in the session, so go below it */
 962             if (c->session == it->data) {
 963                 stacking_below(CLIENT_AS_WINDOW(self),
 964                                CLIENT_AS_WINDOW(cit->data));
 965                 return TRUE;
 966             }
 967         }
 968     }
 969     return FALSE;
 970 }
 971
 972 void client_move_onscreen(ObClient *self, gboolean rude)
 973 {
 974     gint x = self->area.x;
 975     gint y = self->area.y;
 976     if (client_find_onscreen(self, &x, &y,
 977                              self->area.width,
 978                              self->area.height, rude)) {
 979         client_move(self, x, y);
 980     }
 981 }
 982
 983 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 984                               gboolean rude)
 985 {
 986     gint ox = *x, oy = *y;
 987     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 988     gint fw, fh;
 989     Rect desired;
 990     guint i;
 991
 992     RECT_SET(desired, *x, *y, w, h);
 993     frame_rect_to_frame(self->frame, &desired);
 994
 995     /* get where the frame would be */
 996     frame_client_gravity(self->frame, x, y);
 997
 998     /* get the requested size of the window with decorations */
 999     fw = self->frame->size.left + w + self->frame->size.right;
1000     fh = self->frame->size.top + h + self->frame->size.bottom;
1001
1002     /* If rudeness wasn't requested, then still be rude in a given direction
1003        if the client is not moving, only resizing in that direction */
1004     if (!rude) {
1005         Point oldtl, oldtr, oldbl, oldbr;
1006         Point newtl, newtr, newbl, newbr;
1007         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
1008
1009         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
1010         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
1011                   self->frame->area.y + self->frame->area.height - 1);
1012         POINT_SET(oldtr, oldbr.x, oldtl.y);
1013         POINT_SET(oldbl, oldtl.x, oldbr.y);
1014
1015         POINT_SET(newtl, *x, *y);
1016         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
1017         POINT_SET(newtr, newbr.x, newtl.y);
1018         POINT_SET(newbl, newtl.x, newbr.y);
1019
1020         /* is it moving or just resizing from some corner? */
1021         stationary_l = oldtl.x == newtl.x;
1022         stationary_r = oldtr.x == newtr.x;
1023         stationary_t = oldtl.y == newtl.y;
1024         stationary_b = oldbl.y == newbl.y;
1025
1026         /* if left edge is growing and didnt move right edge */
1027         if (stationary_r && newtl.x < oldtl.x)
1028             rudel = TRUE;
1029         /* if right edge is growing and didnt move left edge */
1030         if (stationary_l && newtr.x > oldtr.x)
1031             ruder = TRUE;
1032         /* if top edge is growing and didnt move bottom edge */
1033         if (stationary_b && newtl.y < oldtl.y)
1034             rudet = TRUE;
1035         /* if bottom edge is growing and didnt move top edge */
1036         if (stationary_t && newbl.y > oldbl.y)
1037             rudeb = TRUE;
1038     }
1039
1040     for (i = 0; i < screen_num_monitors; ++i) {
1041         Rect *a;
1042
1043         if (!screen_physical_area_monitor_contains(i, &desired)) {
1044             if (i < screen_num_monitors - 1)
1045                 continue;
1046
1047             /* the window is not inside any monitor! so just use the first
1048                one */
1049             a = screen_area(self->desktop, 0, NULL);
1050         } else
1051             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1052
1053         /* This makes sure windows aren't entirely outside of the screen so you
1054            can't see them at all.
1055            It makes sure 10% of the window is on the screen at least. At don't
1056            let it move itself off the top of the screen, which would hide the
1057            titlebar on you. (The user can still do this if they want too, it's
1058            only limiting the application.
1059         */
1060         if (client_normal(self)) {
1061             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1062                 *x = a->x + a->width - fw/10;
1063             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1064                 *y = a->y + a->height - fh/10;
1065             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1066                 *x = a->x - fw*9/10;
1067             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1068                 *y = a->y - fh*9/10;
1069         }
1070
1071         /* This here doesn't let windows even a pixel outside the
1072            struts/screen. When called from client_manage, programs placing
1073            themselves are forced completely onscreen, while things like
1074            xterm -geometry resolution-width/2 will work fine. Trying to
1075            place it completely offscreen will be handled in the above code.
1076            Sorry for this confused comment, i am tired. */
1077         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1078         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1079             *x = a->x + MAX(0, a->width - fw);
1080
1081         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1082         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1083             *y = a->y + MAX(0, a->height - fh);
1084
1085         g_free(a);
1086     }
1087
1088     /* get where the client should be */
1089     frame_frame_gravity(self->frame, x, y);
1090
1091     return ox != *x || oy != *y;
1092 }
1093
1094 static void client_get_all(ObClient *self, gboolean real)
1095 {
1096     /* this is needed for the frame to set itself up */
1097     client_get_area(self);
1098
1099     /* these things can change the decor and functions of the window */
1100
1101     client_get_mwm_hints(self);
1102     /* this can change the mwmhints for special cases */
1103     client_get_type_and_transientness(self);
1104     client_get_state(self);
1105     client_update_normal_hints(self);
1106
1107     /* get the session related properties, these can change decorations
1108        from per-app settings */
1109     client_get_session_ids(self);
1110
1111     /* now we got everything that can affect the decorations */
1112     if (!real)
1113         return;
1114
1115     /* get this early so we have it for debugging */
1116     client_update_title(self);
1117
1118     client_update_protocols(self);
1119
1120     client_update_wmhints(self);
1121     /* this may have already been called from client_update_wmhints */
1122     if (!self->parents && !self->transient_for_group)
1123         client_update_transient_for(self);
1124
1125     client_get_startup_id(self);
1126     client_get_desktop(self);/* uses transient data/group/startup id if a
1127                                 desktop is not specified */
1128     client_get_shaped(self);
1129
1130     {
1131         /* a couple type-based defaults for new windows */
1132
1133         /* this makes sure that these windows appear on all desktops */
1134         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1135             self->desktop = DESKTOP_ALL;
1136     }
1137
1138 #ifdef SYNC
1139     client_update_sync_request_counter(self);
1140 #endif
1141
1142     client_get_colormap(self);
1143     client_update_strut(self);
1144     client_update_icons(self);
1145     client_update_icon_geometry(self);
1146 }
1147
1148 static void client_get_startup_id(ObClient *self)
1149 {
1150     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1151         if (self->group)
1152             PROP_GETS(self->group->leader,
1153                       net_startup_id, utf8, &self->startup_id);
1154 }
1155
1156 static void client_get_area(ObClient *self)
1157 {
1158     XWindowAttributes wattrib;
1159     Status ret;
1160
1161     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1162     g_assert(ret != BadWindow);
1163
1164     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1165     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1166     self->border_width = wattrib.border_width;
1167
1168     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1169              wattrib.width, wattrib.height, wattrib.border_width);
1170 }
1171
1172 static void client_get_desktop(ObClient *self)
1173 {
1174     guint32 d = screen_num_desktops; /* an always-invalid value */
1175
1176     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1177         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1178             self->desktop = screen_num_desktops - 1;
1179         else
1180             self->desktop = d;
1181         ob_debug("client requested desktop 0x%x\n", self->desktop);
1182     } else {
1183         GSList *it;
1184         gboolean first = TRUE;
1185         guint all = screen_num_desktops; /* not a valid value */
1186
1187         /* if they are all on one desktop, then open it on the
1188            same desktop */
1189         for (it = self->parents; it; it = g_slist_next(it)) {
1190             ObClient *c = it->data;
1191
1192             if (c->desktop == DESKTOP_ALL) continue;
1193
1194             if (first) {
1195                 all = c->desktop;
1196                 first = FALSE;
1197             }
1198             else if (all != c->desktop)
1199                 all = screen_num_desktops; /* make it invalid */
1200         }
1201         if (all != screen_num_desktops) {
1202             self->desktop = all;
1203
1204             ob_debug("client desktop set from parents: 0x%x\n",
1205                      self->desktop);
1206         }
1207         /* try get from the startup-notification protocol */
1208         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1209             if (self->desktop >= screen_num_desktops &&
1210                 self->desktop != DESKTOP_ALL)
1211                 self->desktop = screen_num_desktops - 1;
1212             ob_debug("client desktop set from startup-notification: 0x%x\n",
1213                      self->desktop);
1214         }
1215         /* defaults to the current desktop */
1216         else {
1217             self->desktop = screen_desktop;
1218             ob_debug("client desktop set to the current desktop: %d\n",
1219                      self->desktop);
1220         }
1221     }
1222 }
1223
1224 static void client_get_state(ObClient *self)
1225 {
1226     guint32 *state;
1227     guint num;
1228
1229     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1230         gulong i;
1231         for (i = 0; i < num; ++i) {
1232             if (state[i] == prop_atoms.net_wm_state_modal)
1233                 self->modal = TRUE;
1234             else if (state[i] == prop_atoms.net_wm_state_shaded)
1235                 self->shaded = TRUE;
1236             else if (state[i] == prop_atoms.net_wm_state_hidden)
1237                 self->iconic = TRUE;
1238             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1239                 self->skip_taskbar = TRUE;
1240             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1241                 self->skip_pager = TRUE;
1242             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1243                 self->fullscreen = TRUE;
1244             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1245                 self->max_vert = TRUE;
1246             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1247                 self->max_horz = TRUE;
1248             else if (state[i] == prop_atoms.net_wm_state_above)
1249                 self->above = TRUE;
1250             else if (state[i] == prop_atoms.net_wm_state_below)
1251                 self->below = TRUE;
1252             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1253                 self->demands_attention = TRUE;
1254             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1255                 self->undecorated = TRUE;
1256         }
1257
1258         g_free(state);
1259     }
1260 }
1261
1262 static void client_get_shaped(ObClient *self)
1263 {
1264     self->shaped = FALSE;
1265 #ifdef   SHAPE
1266     if (extensions_shape) {
1267         gint foo;
1268         guint ufoo;
1269         gint s;
1270
1271         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1272
1273         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1274                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1275                            &ufoo);
1276         self->shaped = (s != 0);
1277     }
1278 #endif
1279 }
1280
1281 void client_update_transient_for(ObClient *self)
1282 {
1283     Window t = None;
1284     ObClient *target = NULL;
1285     gboolean trangroup = FALSE;
1286
1287     if (XGetTransientForHint(ob_display, self->window, &t)) {
1288         if (t != self->window) { /* cant be transient to itself! */
1289             target = g_hash_table_lookup(window_map, &t);
1290             /* if this happens then we need to check for it*/
1291             g_assert(target != self);
1292             if (target && !WINDOW_IS_CLIENT(target)) {
1293                 /* this can happen when a dialog is a child of
1294                    a dockapp, for example */
1295                 target = NULL;
1296             }
1297         }
1298
1299         /* Setting the transient_for to Root is actually illegal, however
1300            applications from time have done this to specify transient for
1301            their group */
1302         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1303             trangroup = TRUE;
1304     } else if (self->group && self->transient)
1305         trangroup = TRUE;
1306
1307     client_update_transient_tree(self, self->group, self->group,
1308                                  self->transient_for_group, trangroup,
1309                                  client_direct_parent(self), target);
1310     self->transient_for_group = trangroup;
1311
1312 }
1313
1314 static void client_update_transient_tree(ObClient *self,
1315                                          ObGroup *oldgroup, ObGroup *newgroup,
1316                                          gboolean oldgtran, gboolean newgtran,
1317                                          ObClient* oldparent,
1318                                          ObClient *newparent)
1319 {
1320     GSList *it, *next;
1321     ObClient *c;
1322
1323     g_assert(!oldgtran || oldgroup);
1324     g_assert(!newgtran || newgroup);
1325     g_assert((!oldgtran && !oldparent) ||
1326              (oldgtran && !oldparent) ||
1327              (!oldgtran && oldparent));
1328     g_assert((!newgtran && !newparent) ||
1329              (newgtran && !newparent) ||
1330              (!newgtran && newparent));
1331
1332     /* * *
1333       Group transient windows are not allowed to have other group
1334       transient windows as their children.
1335       * * */
1336
1337
1338     /* No change has occured */
1339     if (oldgroup == newgroup &&
1340         oldgtran == newgtran &&
1341         oldparent == newparent) return;
1342
1343     /** Remove the client from the transient tree **/
1344
1345     for (it = self->transients; it; it = next) {
1346         next = g_slist_next(it);
1347         c = it->data;
1348         self->transients = g_slist_delete_link(self->transients, it);
1349         c->parents = g_slist_remove(c->parents, self);
1350     }
1351     for (it = self->parents; it; it = next) {
1352         next = g_slist_next(it);
1353         c = it->data;
1354         self->parents = g_slist_delete_link(self->parents, it);
1355         c->transients = g_slist_remove(c->transients, self);
1356     }
1357
1358     /** Re-add the client to the transient tree **/
1359
1360     /* If we're transient for a group then we need to add ourselves to all our
1361        parents */
1362     if (newgtran) {
1363         for (it = newgroup->members; it; it = g_slist_next(it)) {
1364             c = it->data;
1365             if (c != self &&
1366                 !client_search_top_direct_parent(c)->transient_for_group &&
1367                 client_normal(c))
1368             {
1369                 c->transients = g_slist_prepend(c->transients, self);
1370                 self->parents = g_slist_prepend(self->parents, c);
1371             }
1372         }
1373     }
1374
1375     /* If we are now transient for a single window we need to add ourselves to
1376        its children
1377
1378        WARNING: Cyclical transient ness is possible if two windows are
1379        transient for eachother.
1380     */
1381     else if (newparent &&
1382              /* don't make ourself its child if it is already our child */
1383              !client_is_direct_child(self, newparent) &&
1384              client_normal(newparent))
1385     {
1386         newparent->transients = g_slist_prepend(newparent->transients, self);
1387         self->parents = g_slist_prepend(self->parents, newparent);
1388     }
1389
1390     /* Add any group transient windows to our children. But if we're transient
1391        for the group, then other group transients are not our children.
1392
1393        WARNING: Cyclical transient-ness is possible. For e.g. if:
1394        A is transient for the group
1395        B is transient for A
1396        C is transient for B
1397        A can't be transient for C or we have a cycle
1398     */
1399     if (!newgtran && newgroup &&
1400         (!newparent ||
1401          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1402         client_normal(self))
1403     {
1404         for (it = newgroup->members; it; it = g_slist_next(it)) {
1405             c = it->data;
1406             if (c != self && c->transient_for_group &&
1407                 /* Don't make it our child if it is already our parent */
1408                 !client_is_direct_child(c, self))
1409             {
1410                 self->transients = g_slist_prepend(self->transients, c);
1411                 c->parents = g_slist_prepend(c->parents, self);
1412             }
1413         }
1414     }
1415
1416     /** If we change our group transient-ness, our children change their
1417         effect group transient-ness, which affects how they relate to other
1418         group windows **/
1419
1420     for (it = self->transients; it; it = g_slist_next(it)) {
1421         c = it->data;
1422         if (!c->transient_for_group)
1423             client_update_transient_tree(c, c->group, c->group,
1424                                          c->transient_for_group,
1425                                          c->transient_for_group,
1426                                          client_direct_parent(c),
1427                                          client_direct_parent(c));
1428     }
1429 }
1430
1431 static void client_get_mwm_hints(ObClient *self)
1432 {
1433     guint num;
1434     guint32 *hints;
1435
1436     self->mwmhints.flags = 0; /* default to none */
1437
1438     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1439                     &hints, &num)) {
1440         if (num >= OB_MWM_ELEMENTS) {
1441             self->mwmhints.flags = hints[0];
1442             self->mwmhints.functions = hints[1];
1443             self->mwmhints.decorations = hints[2];
1444         }
1445         g_free(hints);
1446     }
1447 }
1448
1449 void client_get_type_and_transientness(ObClient *self)
1450 {
1451     guint num, i;
1452     guint32 *val;
1453     Window t;
1454
1455     self->type = -1;
1456     self->transient = FALSE;
1457
1458     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1459         /* use the first value that we know about in the array */
1460         for (i = 0; i < num; ++i) {
1461             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1462                 self->type = OB_CLIENT_TYPE_DESKTOP;
1463             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1464                 self->type = OB_CLIENT_TYPE_DOCK;
1465             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1466                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1467             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1468                 self->type = OB_CLIENT_TYPE_MENU;
1469             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1470                 self->type = OB_CLIENT_TYPE_UTILITY;
1471             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1472                 self->type = OB_CLIENT_TYPE_SPLASH;
1473             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1474                 self->type = OB_CLIENT_TYPE_DIALOG;
1475             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1476                 self->type = OB_CLIENT_TYPE_NORMAL;
1477             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1478                 /* prevent this window from getting any decor or
1479                    functionality */
1480                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1481                                          OB_MWM_FLAG_DECORATIONS);
1482                 self->mwmhints.decorations = 0;
1483                 self->mwmhints.functions = 0;
1484             }
1485             if (self->type != (ObClientType) -1)
1486                 break; /* grab the first legit type */
1487         }
1488         g_free(val);
1489     }
1490
1491     if (XGetTransientForHint(ob_display, self->window, &t))
1492         self->transient = TRUE;
1493
1494     if (self->type == (ObClientType) -1) {
1495         /*the window type hint was not set, which means we either classify
1496           ourself as a normal window or a dialog, depending on if we are a
1497           transient. */
1498         if (self->transient)
1499             self->type = OB_CLIENT_TYPE_DIALOG;
1500         else
1501             self->type = OB_CLIENT_TYPE_NORMAL;
1502     }
1503
1504     /* then, based on our type, we can update our transientness.. */
1505     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1506         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1507         self->type == OB_CLIENT_TYPE_MENU ||
1508         self->type == OB_CLIENT_TYPE_UTILITY)
1509     {
1510         self->transient = TRUE;
1511     }
1512 }
1513
1514 void client_update_protocols(ObClient *self)
1515 {
1516     guint32 *proto;
1517     guint num_return, i;
1518
1519     self->focus_notify = FALSE;
1520     self->delete_window = FALSE;
1521
1522     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1523         for (i = 0; i < num_return; ++i) {
1524             if (proto[i] == prop_atoms.wm_delete_window)
1525                 /* this means we can request the window to close */
1526                 self->delete_window = TRUE;
1527             else if (proto[i] == prop_atoms.wm_take_focus)
1528                 /* if this protocol is requested, then the window will be
1529                    notified whenever we want it to receive focus */
1530                 self->focus_notify = TRUE;
1531             else if (proto[i] == prop_atoms.net_wm_ping)
1532                 /* if this protocol is requested, then the window will allow
1533                    pings to determine if it is still alive */
1534                 self->ping = TRUE;
1535 #ifdef SYNC
1536             else if (proto[i] == prop_atoms.net_wm_sync_request)
1537                 /* if this protocol is requested, then resizing the
1538                    window will be synchronized between the frame and the
1539                    client */
1540                 self->sync_request = TRUE;
1541 #endif
1542         }
1543         g_free(proto);
1544     }
1545 }
1546
1547 #ifdef SYNC
1548 void client_update_sync_request_counter(ObClient *self)
1549 {
1550     guint32 i;
1551
1552     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1553         self->sync_counter = i;
1554     } else
1555         self->sync_counter = None;
1556 }
1557 #endif
1558
1559 static void client_get_colormap(ObClient *self)
1560 {
1561     XWindowAttributes wa;
1562
1563     if (XGetWindowAttributes(ob_display, self->window, &wa))
1564         client_update_colormap(self, wa.colormap);
1565 }
1566
1567 void client_update_colormap(ObClient *self, Colormap colormap)
1568 {
1569     if (colormap == self->colormap) return;
1570
1571     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1572
1573     if (client_focused(self)) {
1574         screen_install_colormap(self, FALSE); /* uninstall old one */
1575         self->colormap = colormap;
1576         screen_install_colormap(self, FALSE); /* install new one */
1577     } else
1578         self->colormap = colormap;
1579 }
1580
1581 void client_update_normal_hints(ObClient *self)
1582 {
1583     XSizeHints size;
1584     glong ret;
1585
1586     /* defaults */
1587     self->min_ratio = 0.0f;
1588     self->max_ratio = 0.0f;
1589     SIZE_SET(self->size_inc, 1, 1);
1590     SIZE_SET(self->base_size, 0, 0);
1591     SIZE_SET(self->min_size, 0, 0);
1592     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1593
1594     /* get the hints from the window */
1595     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1596         /* normal windows can't request placement! har har
1597         if (!client_normal(self))
1598         */
1599         self->positioned = (size.flags & (PPosition|USPosition));
1600         self->sized = (size.flags & (PSize|USSize));
1601
1602         if (size.flags & PWinGravity)
1603             self->gravity = size.win_gravity;
1604
1605         if (size.flags & PAspect) {
1606             if (size.min_aspect.y)
1607                 self->min_ratio =
1608                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1609             if (size.max_aspect.y)
1610                 self->max_ratio =
1611                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1612         }
1613
1614         if (size.flags & PMinSize)
1615             SIZE_SET(self->min_size, size.min_width, size.min_height);
1616
1617         if (size.flags & PMaxSize)
1618             SIZE_SET(self->max_size, size.max_width, size.max_height);
1619
1620         if (size.flags & PBaseSize)
1621             SIZE_SET(self->base_size, size.base_width, size.base_height);
1622
1623         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1624             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1625
1626         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1627                  "size inc (%d %d) base size (%d %d)\n",
1628                  self->min_size.width, self->min_size.height,
1629                  self->max_size.width, self->max_size.height,
1630                  self->size_inc.width, self->size_inc.height,
1631                  self->base_size.width, self->base_size.height);
1632     }
1633     else
1634         ob_debug("Normal hints: not set\n");
1635 }
1636
1637 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1638 {
1639     /* start with everything (cept fullscreen) */
1640     self->decorations =
1641         (OB_FRAME_DECOR_TITLEBAR |
1642          OB_FRAME_DECOR_HANDLE |
1643          OB_FRAME_DECOR_GRIPS |
1644          OB_FRAME_DECOR_BORDER |
1645          OB_FRAME_DECOR_ICON |
1646          OB_FRAME_DECOR_ALLDESKTOPS |
1647          OB_FRAME_DECOR_ICONIFY |
1648          OB_FRAME_DECOR_MAXIMIZE |
1649          OB_FRAME_DECOR_SHADE |
1650          OB_FRAME_DECOR_CLOSE);
1651     self->functions =
1652         (OB_CLIENT_FUNC_RESIZE |
1653          OB_CLIENT_FUNC_MOVE |
1654          OB_CLIENT_FUNC_ICONIFY |
1655          OB_CLIENT_FUNC_MAXIMIZE |
1656          OB_CLIENT_FUNC_SHADE |
1657          OB_CLIENT_FUNC_CLOSE |
1658          OB_CLIENT_FUNC_BELOW |
1659          OB_CLIENT_FUNC_ABOVE |
1660          OB_CLIENT_FUNC_UNDECORATE);
1661
1662     if (!(self->min_size.width < self->max_size.width ||
1663           self->min_size.height < self->max_size.height))
1664         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1665
1666     switch (self->type) {
1667     case OB_CLIENT_TYPE_NORMAL:
1668         /* normal windows retain all of the possible decorations and
1669            functionality, and can be fullscreen */
1670         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1671         break;
1672
1673     case OB_CLIENT_TYPE_DIALOG:
1674         /* sometimes apps make dialog windows fullscreen for some reason (for
1675            e.g. kpdf does this..) */
1676         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1677         break;
1678
1679     case OB_CLIENT_TYPE_UTILITY:
1680         /* these windows don't have anything added or removed by default */
1681         break;
1682
1683     case OB_CLIENT_TYPE_MENU:
1684     case OB_CLIENT_TYPE_TOOLBAR:
1685         /* these windows can't iconify or maximize */
1686         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1687                                OB_FRAME_DECOR_MAXIMIZE);
1688         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1689                              OB_CLIENT_FUNC_MAXIMIZE);
1690         break;
1691
1692     case OB_CLIENT_TYPE_SPLASH:
1693         /* these don't get get any decorations, and the only thing you can
1694            do with them is move them */
1695         self->decorations = 0;
1696         self->functions = OB_CLIENT_FUNC_MOVE;
1697         break;
1698
1699     case OB_CLIENT_TYPE_DESKTOP:
1700         /* these windows are not manipulated by the window manager */
1701         self->decorations = 0;
1702         self->functions = 0;
1703         break;
1704
1705     case OB_CLIENT_TYPE_DOCK:
1706         /* these windows are not manipulated by the window manager, but they
1707            can set below layer which has a special meaning */
1708         self->decorations = 0;
1709         self->functions = OB_CLIENT_FUNC_BELOW;
1710         break;
1711     }
1712
1713     /* Mwm Hints are applied subtractively to what has already been chosen for
1714        decor and functionality */
1715     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1716         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1717             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1718                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1719             {
1720                 /* if the mwm hints request no handle or title, then all
1721                    decorations are disabled, but keep the border if that's
1722                    specified */
1723                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1724                     self->decorations = OB_FRAME_DECOR_BORDER;
1725                 else
1726                     self->decorations = 0;
1727             }
1728         }
1729     }
1730
1731     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1732         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1733             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1734                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1735             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1736                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1737             /* dont let mwm hints kill any buttons
1738                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1739                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1740                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1741                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1742             */
1743             /* dont let mwm hints kill the close button
1744                if (! (self->mwmhints.functions & MwmFunc_Close))
1745                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1746         }
1747     }
1748
1749     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1750         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1751     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1752         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1753     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1754         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1755
1756     /* can't maximize without moving/resizing */
1757     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1758           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1759           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1760         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1761         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1762     }
1763
1764     if (self->max_horz && self->max_vert) {
1765         /* you can't resize fully maximized windows */
1766         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1767         /* kill the handle on fully maxed windows */
1768         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1769     }
1770
1771     /* If there are no decorations to remove, don't allow the user to try
1772        toggle the state */
1773     if (self->decorations == 0)
1774         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1775
1776     /* finally, the user can have requested no decorations, which overrides
1777        everything (but doesnt give it a border if it doesnt have one) */
1778     if (self->undecorated)
1779         self->decorations = 0;
1780
1781     /* if we don't have a titlebar, then we cannot shade! */
1782     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1783         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1784
1785     /* now we need to check against rules for the client's current state */
1786     if (self->fullscreen) {
1787         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1788                             OB_CLIENT_FUNC_FULLSCREEN |
1789                             OB_CLIENT_FUNC_ICONIFY);
1790         self->decorations = 0;
1791     }
1792
1793     client_change_allowed_actions(self);
1794
1795     if (reconfig)
1796         /* force reconfigure to make sure decorations are updated */
1797         client_reconfigure(self, TRUE);
1798 }
1799
1800 static void client_change_allowed_actions(ObClient *self)
1801 {
1802     gulong actions[12];
1803     gint num = 0;
1804
1805     /* desktop windows are kept on all desktops */
1806     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1807         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1808
1809     if (self->functions & OB_CLIENT_FUNC_SHADE)
1810         actions[num++] = prop_atoms.net_wm_action_shade;
1811     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1812         actions[num++] = prop_atoms.net_wm_action_close;
1813     if (self->functions & OB_CLIENT_FUNC_MOVE)
1814         actions[num++] = prop_atoms.net_wm_action_move;
1815     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1816         actions[num++] = prop_atoms.net_wm_action_minimize;
1817     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1818         actions[num++] = prop_atoms.net_wm_action_resize;
1819     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1820         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1821     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1822         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1823         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1824     }
1825     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1826         actions[num++] = prop_atoms.net_wm_action_above;
1827     if (self->functions & OB_CLIENT_FUNC_BELOW)
1828         actions[num++] = prop_atoms.net_wm_action_below;
1829     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1830         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1831
1832     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1833
1834     /* make sure the window isn't breaking any rules now */
1835
1836     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1837         if (self->frame) client_shade(self, FALSE);
1838         else self->shaded = FALSE;
1839     }
1840     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1841         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1842         else self->iconic = FALSE;
1843     }
1844     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1845         if (self->frame) client_fullscreen(self, FALSE);
1846         else self->fullscreen = FALSE;
1847     }
1848     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1849                                                          self->max_vert)) {
1850         if (self->frame) client_maximize(self, FALSE, 0);
1851         else self->max_vert = self->max_horz = FALSE;
1852     }
1853 }
1854
1855 void client_update_wmhints(ObClient *self)
1856 {
1857     XWMHints *hints;
1858
1859     /* assume a window takes input if it doesnt specify */
1860     self->can_focus = TRUE;
1861
1862     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1863         gboolean ur;
1864
1865         if (hints->flags & InputHint)
1866             self->can_focus = hints->input;
1867
1868         /* only do this when first managing the window *AND* when we aren't
1869            starting up! */
1870         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1871             if (hints->flags & StateHint)
1872                 self->iconic = hints->initial_state == IconicState;
1873
1874         ur = self->urgent;
1875         self->urgent = (hints->flags & XUrgencyHint);
1876         if (self->urgent && !ur)
1877             client_hilite(self, TRUE);
1878         else if (!self->urgent && ur && self->demands_attention)
1879             client_hilite(self, FALSE);
1880
1881         if (!(hints->flags & WindowGroupHint))
1882             hints->window_group = None;
1883
1884         /* did the group state change? */
1885         if (hints->window_group !=
1886             (self->group ? self->group->leader : None))
1887         {
1888             ObGroup *oldgroup = self->group;
1889
1890             /* remove from the old group if there was one */
1891             if (self->group != NULL) {
1892                 group_remove(self->group, self);
1893                 self->group = NULL;
1894             }
1895
1896             /* add ourself to the group if we have one */
1897             if (hints->window_group != None) {
1898                 self->group = group_add(hints->window_group, self);
1899             }
1900
1901             /* Put ourselves into the new group's transient tree, and remove
1902                ourselves from the old group's */
1903             client_update_transient_tree(self, oldgroup, self->group,
1904                                          self->transient_for_group,
1905                                          self->transient_for_group,
1906                                          client_direct_parent(self),
1907                                          client_direct_parent(self));
1908
1909             /* Lastly, being in a group, or not, can change if the window is
1910                transient for anything.
1911
1912                The logic for this is:
1913                self->transient = TRUE always if the window wants to be
1914                transient for something, even if transient_for was NULL because
1915                it wasn't in a group before.
1916
1917                If parents was NULL and oldgroup was NULL we can assume
1918                that when we add the new group, it will become transient for
1919                something.
1920
1921                If transient_for_group is TRUE, then it must have already
1922                had a group. If it is getting a new group, the above call to
1923                client_update_transient_tree has already taken care of
1924                everything ! If it is losing all group status then it will
1925                no longer be transient for anything and that needs to be
1926                updated.
1927             */
1928             if (self->transient &&
1929                 ((self->parents == NULL && oldgroup == NULL) ||
1930                  (self->transient_for_group && !self->group)))
1931                 client_update_transient_for(self);
1932         }
1933
1934         /* the WM_HINTS can contain an icon */
1935         if (hints->flags & IconPixmapHint)
1936             client_update_icons(self);
1937
1938         XFree(hints);
1939     }
1940 }
1941
1942 void client_update_title(ObClient *self)
1943 {
1944     gchar *data = NULL;
1945     gchar *visible = NULL;
1946
1947     g_free(self->title);
1948
1949     /* try netwm */
1950     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1951         /* try old x stuff */
1952         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1953               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1954             if (self->transient) {
1955     /*
1956     GNOME alert windows are not given titles:
1957     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1958     */
1959                 data = g_strdup("");
1960             } else
1961                 data = g_strdup("Unnamed Window");
1962         }
1963     }
1964
1965     if (self->client_machine) {
1966         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1967         g_free(data);
1968     } else
1969         visible = data;
1970
1971     if (self->not_responding) {
1972         data = visible;
1973         if (self->close_tried_term)
1974             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
1975         else
1976             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
1977         g_free(data);
1978     }
1979
1980     PROP_SETS(self->window, net_wm_visible_name, visible);
1981     self->title = visible;
1982
1983     if (self->frame)
1984         frame_adjust_title(self->frame);
1985
1986     /* update the icon title */
1987     data = NULL;
1988     g_free(self->icon_title);
1989
1990     /* try netwm */
1991     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1992         /* try old x stuff */
1993         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1994               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1995             data = g_strdup(self->title);
1996
1997     if (self->client_machine) {
1998         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1999         g_free(data);
2000     } else
2001         visible = data;
2002
2003     if (self->not_responding) {
2004         data = visible;
2005         if (self->close_tried_term)
2006             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2007         else
2008             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2009         g_free(data);
2010     }
2011
2012     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
2013     self->icon_title = visible;
2014 }
2015
2016 void client_update_strut(ObClient *self)
2017 {
2018     guint num;
2019     guint32 *data;
2020     gboolean got = FALSE;
2021     StrutPartial strut;
2022
2023     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
2024                     &data, &num)) {
2025         if (num == 12) {
2026             got = TRUE;
2027             STRUT_PARTIAL_SET(strut,
2028                               data[0], data[2], data[1], data[3],
2029                               data[4], data[5], data[8], data[9],
2030                               data[6], data[7], data[10], data[11]);
2031         }
2032         g_free(data);
2033     }
2034
2035     if (!got &&
2036         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
2037         if (num == 4) {
2038             Rect *a;
2039
2040             got = TRUE;
2041
2042             /* use the screen's width/height */
2043             a = screen_physical_area_all_monitors();
2044
2045             STRUT_PARTIAL_SET(strut,
2046                               data[0], data[2], data[1], data[3],
2047                               a->y, a->y + a->height - 1,
2048                               a->x, a->x + a->width - 1,
2049                               a->y, a->y + a->height - 1,
2050                               a->x, a->x + a->width - 1);
2051             g_free(a);
2052         }
2053         g_free(data);
2054     }
2055
2056     if (!got)
2057         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2058                           0, 0, 0, 0, 0, 0, 0, 0);
2059
2060     if (!STRUT_EQUAL(strut, self->strut)) {
2061         self->strut = strut;
2062
2063         /* updating here is pointless while we're being mapped cuz we're not in
2064            the client list yet */
2065         if (self->frame)
2066             screen_update_areas();
2067     }
2068 }
2069
2070 void client_update_icons(ObClient *self)
2071 {
2072     guint num;
2073     guint32 *data;
2074     guint w, h, i, j;
2075
2076     for (i = 0; i < self->nicons; ++i)
2077         g_free(self->icons[i].data);
2078     if (self->nicons > 0)
2079         g_free(self->icons);
2080     self->nicons = 0;
2081
2082     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2083         /* figure out how many valid icons are in here */
2084         i = 0;
2085         while (num - i > 2) {
2086             w = data[i++];
2087             h = data[i++];
2088             i += w * h;
2089             if (i > num || w*h == 0) break;
2090             ++self->nicons;
2091         }
2092
2093         self->icons = g_new(ObClientIcon, self->nicons);
2094
2095         /* store the icons */
2096         i = 0;
2097         for (j = 0; j < self->nicons; ++j) {
2098             guint x, y, t;
2099
2100             w = self->icons[j].width = data[i++];
2101             h = self->icons[j].height = data[i++];
2102
2103             if (w*h == 0) continue;
2104
2105             self->icons[j].data = g_new(RrPixel32, w * h);
2106             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2107                 if (x >= w) {
2108                     x = 0;
2109                     ++y;
2110                 }
2111                 self->icons[j].data[t] =
2112                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2113                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2114                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2115                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2116             }
2117             g_assert(i <= num);
2118         }
2119
2120         g_free(data);
2121     } else {
2122         XWMHints *hints;
2123
2124         if ((hints = XGetWMHints(ob_display, self->window))) {
2125             if (hints->flags & IconPixmapHint) {
2126                 self->nicons = 1;
2127                 self->icons = g_new(ObClientIcon, self->nicons);
2128                 xerror_set_ignore(TRUE);
2129                 if (!RrPixmapToRGBA(ob_rr_inst,
2130                                     hints->icon_pixmap,
2131                                     (hints->flags & IconMaskHint ?
2132                                      hints->icon_mask : None),
2133                                     &self->icons[0].width,
2134                                     &self->icons[0].height,
2135                                     &self->icons[0].data))
2136                 {
2137                     g_free(self->icons);
2138                     self->nicons = 0;
2139                 }
2140                 xerror_set_ignore(FALSE);
2141             }
2142             XFree(hints);
2143         }
2144     }
2145
2146     /* set the default icon onto the window
2147        in theory, this could be a race, but if a window doesn't set an icon
2148        or removes it entirely, it's not very likely it is going to set one
2149        right away afterwards
2150
2151        if it has parents, then one of them will have an icon already
2152     */
2153     if (self->nicons == 0 && !self->parents) {
2154         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2155         gulong *data;
2156
2157         data = g_new(gulong, 48*48+2);
2158         data[0] = data[1] =  48;
2159         for (i = 0; i < 48*48; ++i)
2160             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2161                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2162                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2163                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2164         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2165         g_free(data);
2166     } else if (self->frame)
2167         /* don't draw the icon empty if we're just setting one now anyways,
2168            we'll get the property change any second */
2169         frame_adjust_icon(self->frame);
2170 }
2171
2172 void client_update_icon_geometry(ObClient *self)
2173 {
2174     guint num;
2175     guint32 *data;
2176
2177     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2178
2179     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num))
2180     {
2181         if (num == 4)
2182             /* don't let them set it with an area < 0 */
2183             RECT_SET(self->icon_geometry, data[0], data[1],
2184                      MAX(data[2],0), MAX(data[3],0));
2185         g_free(data);
2186     }
2187 }
2188
2189 static void client_get_session_ids(ObClient *self)
2190 {
2191     guint32 leader;
2192     gboolean got;
2193     gchar *s;
2194     gchar **ss;
2195
2196     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2197         leader = None;
2198
2199     /* get the SM_CLIENT_ID */
2200     got = FALSE;
2201     if (leader)
2202         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2203     if (!got)
2204         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2205
2206     /* get the WM_CLASS (name and class). make them "" if they are not
2207        provided */
2208     got = FALSE;
2209     if (leader)
2210         got = PROP_GETSS(leader, wm_class, locale, &ss);
2211     if (!got)
2212         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2213
2214     if (got) {
2215         if (ss[0]) {
2216             self->name = g_strdup(ss[0]);
2217             if (ss[1])
2218                 self->class = g_strdup(ss[1]);
2219         }
2220         g_strfreev(ss);
2221     }
2222
2223     if (self->name == NULL) self->name = g_strdup("");
2224     if (self->class == NULL) self->class = g_strdup("");
2225
2226     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2227     got = FALSE;
2228     if (leader)
2229         got = PROP_GETS(leader, wm_window_role, locale, &s);
2230     if (!got)
2231         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2232
2233     if (got)
2234         self->role = s;
2235     else
2236         self->role = g_strdup("");
2237
2238     /* get the WM_COMMAND */
2239     got = FALSE;
2240
2241     if (leader)
2242         got = PROP_GETSS(leader, wm_command, locale, &ss);
2243     if (!got)
2244         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2245
2246     if (got) {
2247         /* merge/mash them all together */
2248         gchar *merge = NULL;
2249         gint i;
2250
2251         for (i = 0; ss[i]; ++i) {
2252             gchar *tmp = merge;
2253             if (merge)
2254                 merge = g_strconcat(merge, ss[i], NULL);
2255             else
2256                 merge = g_strconcat(ss[i], NULL);
2257             g_free(tmp);
2258         }
2259         g_strfreev(ss);
2260
2261         self->wm_command = merge;
2262     }
2263
2264     /* get the WM_CLIENT_MACHINE */
2265     got = FALSE;
2266     if (leader)
2267         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2268     if (!got)
2269         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2270
2271     if (got) {
2272         gchar localhost[128];
2273         guint32 pid;
2274
2275         gethostname(localhost, 127);
2276         localhost[127] = '\0';
2277         if (strcmp(localhost, s) != 0)
2278             self->client_machine = s;
2279         else
2280             g_free(s);
2281
2282         /* see if it has the PID set too (the PID requires that the
2283            WM_CLIENT_MACHINE be set) */
2284         if (PROP_GET32(self->window, net_wm_pid, cardinal, &pid))
2285             self->pid = pid;
2286     }
2287 }
2288
2289 static void client_change_wm_state(ObClient *self)
2290 {
2291     gulong state[2];
2292     glong old;
2293
2294     old = self->wmstate;
2295
2296     if (self->shaded || self->iconic ||
2297         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2298     {
2299         self->wmstate = IconicState;
2300     } else
2301         self->wmstate = NormalState;
2302
2303     if (old != self->wmstate) {
2304         PROP_MSG(self->window, kde_wm_change_state,
2305                  self->wmstate, 1, 0, 0);
2306
2307         state[0] = self->wmstate;
2308         state[1] = None;
2309         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2310     }
2311 }
2312
2313 static void client_change_state(ObClient *self)
2314 {
2315     gulong netstate[12];
2316     guint num;
2317
2318     num = 0;
2319     if (self->modal)
2320         netstate[num++] = prop_atoms.net_wm_state_modal;
2321     if (self->shaded)
2322         netstate[num++] = prop_atoms.net_wm_state_shaded;
2323     if (self->iconic)
2324         netstate[num++] = prop_atoms.net_wm_state_hidden;
2325     if (self->skip_taskbar)
2326         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2327     if (self->skip_pager)
2328         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2329     if (self->fullscreen)
2330         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2331     if (self->max_vert)
2332         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2333     if (self->max_horz)
2334         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2335     if (self->above)
2336         netstate[num++] = prop_atoms.net_wm_state_above;
2337     if (self->below)
2338         netstate[num++] = prop_atoms.net_wm_state_below;
2339     if (self->demands_attention)
2340         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2341     if (self->undecorated)
2342         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2343     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2344
2345     if (self->frame)
2346         frame_adjust_state(self->frame);
2347 }
2348
2349 ObClient *client_search_focus_tree(ObClient *self)
2350 {
2351     GSList *it;
2352     ObClient *ret;
2353
2354     for (it = self->transients; it; it = g_slist_next(it)) {
2355         if (client_focused(it->data)) return it->data;
2356         if ((ret = client_search_focus_tree(it->data))) return ret;
2357     }
2358     return NULL;
2359 }
2360
2361 ObClient *client_search_focus_tree_full(ObClient *self)
2362 {
2363     if (self->parents) {
2364         GSList *it;
2365
2366         for (it = self->parents; it; it = g_slist_next(it)) {
2367             ObClient *c = it->data;
2368             if ((c = client_search_focus_tree_full(it->data))) return c;
2369         }
2370
2371         return NULL;
2372     }
2373     else {
2374         /* this function checks the whole tree, the client_search_focus_tree
2375            does not, so we need to check this window */
2376         if (client_focused(self))
2377             return self;
2378         return client_search_focus_tree(self);
2379     }
2380 }
2381
2382 ObClient *client_search_focus_group_full(ObClient *self)
2383 {
2384     GSList *it;
2385
2386     if (self->group) {
2387         for (it = self->group->members; it; it = g_slist_next(it)) {
2388             ObClient *c = it->data;
2389
2390             if (client_focused(c)) return c;
2391             if ((c = client_search_focus_tree(it->data))) return c;
2392         }
2393     } else
2394         if (client_focused(self)) return self;
2395     return NULL;
2396 }
2397
2398 gboolean client_has_parent(ObClient *self)
2399 {
2400     return self->parents != NULL;
2401 }
2402
2403 static ObStackingLayer calc_layer(ObClient *self)
2404 {
2405     ObStackingLayer l;
2406     Rect *monitor;
2407
2408     monitor = screen_physical_area_monitor(client_monitor(self));
2409
2410     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2411         l = OB_STACKING_LAYER_DESKTOP;
2412     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2413         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2414         else l = OB_STACKING_LAYER_ABOVE;
2415     }
2416     else if ((self->fullscreen ||
2417               /* No decorations and fills the monitor = oldskool fullscreen.
2418                  But not for maximized windows.
2419               */
2420               (self->decorations == 0 &&
2421                !(self->max_horz && self->max_vert) &&
2422                RECT_EQUAL(self->area, *monitor))) &&
2423              (client_focused(self) || client_search_focus_tree(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     for (it = self->transients; it; it = g_slist_next(it))
2450         client_calc_layer_recursive(it->data, orig,
2451                                     self->layer);
2452 }
2453
2454 void client_calc_layer(ObClient *self)
2455 {
2456     ObClient *orig;
2457     GSList *it;
2458
2459     orig = self;
2460
2461     /* transients take on the layer of their parents */
2462     it = client_search_all_top_parents(self);
2463
2464     for (; it; it = g_slist_next(it))
2465         client_calc_layer_recursive(it->data, orig, 0);
2466 }
2467
2468 gboolean client_should_show(ObClient *self)
2469 {
2470     if (self->iconic)
2471         return FALSE;
2472     if (client_normal(self) && screen_showing_desktop)
2473         return FALSE;
2474     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2475         return TRUE;
2476
2477     return FALSE;
2478 }
2479
2480 gboolean client_show(ObClient *self)
2481 {
2482     gboolean show = FALSE;
2483
2484     if (client_should_show(self)) {
2485         frame_show(self->frame);
2486         show = TRUE;
2487
2488         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2489            it needs to be in IconicState. This includes when it is on another
2490            desktop!
2491         */
2492         client_change_wm_state(self);
2493     }
2494     return show;
2495 }
2496
2497 gboolean client_hide(ObClient *self)
2498 {
2499     gboolean hide = FALSE;
2500
2501     if (!client_should_show(self)) {
2502         if (self == focus_client) {
2503             /* if there is a grab going on, then we need to cancel it. if we
2504                move focus during the grab, applications will get
2505                NotifyWhileGrabbed events and ignore them !
2506
2507                actions should not rely on being able to move focus during an
2508                interactive grab.
2509             */
2510             event_cancel_all_key_grabs();
2511         }
2512
2513         /* We don't need to ignore enter events here.
2514            The window can hide/iconify in 3 different ways:
2515            1 - through an x message. in this case we ignore all enter events
2516                caused by responding to the x message (unless underMouse)
2517            2 - by a keyboard action. in this case we ignore all enter events
2518                caused by the action
2519            3 - by a mouse action. in this case they are doing stuff with the
2520                mouse and focus _should_ move.
2521
2522            Also in action_end, we simulate an enter event that can't be ignored
2523            so trying to ignore them is futile in case 3 anyways
2524         */
2525
2526         frame_hide(self->frame);
2527         hide = TRUE;
2528
2529         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2530            it needs to be in IconicState. This includes when it is on another
2531            desktop!
2532         */
2533         client_change_wm_state(self);
2534     }
2535     return hide;
2536 }
2537
2538 void client_showhide(ObClient *self)
2539 {
2540     if (!client_show(self))
2541         client_hide(self);
2542 }
2543
2544 gboolean client_normal(ObClient *self) {
2545     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2546               self->type == OB_CLIENT_TYPE_DOCK ||
2547               self->type == OB_CLIENT_TYPE_SPLASH);
2548 }
2549
2550 gboolean client_helper(ObClient *self)
2551 {
2552     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2553             self->type == OB_CLIENT_TYPE_MENU ||
2554             self->type == OB_CLIENT_TYPE_TOOLBAR);
2555 }
2556
2557 gboolean client_mouse_focusable(ObClient *self)
2558 {
2559     return !(self->type == OB_CLIENT_TYPE_MENU ||
2560              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2561              self->type == OB_CLIENT_TYPE_SPLASH ||
2562              self->type == OB_CLIENT_TYPE_DOCK);
2563 }
2564
2565 gboolean client_enter_focusable(ObClient *self)
2566 {
2567     /* you can focus desktops but it shouldn't on enter */
2568     return (client_mouse_focusable(self) &&
2569             self->type != OB_CLIENT_TYPE_DESKTOP);
2570 }
2571
2572
2573 static void client_apply_startup_state(ObClient *self,
2574                                        gint x, gint y, gint w, gint h)
2575 {
2576     /* save the states that we are going to apply */
2577     gboolean iconic = self->iconic;
2578     gboolean fullscreen = self->fullscreen;
2579     gboolean undecorated = self->undecorated;
2580     gboolean shaded = self->shaded;
2581     gboolean demands_attention = self->demands_attention;
2582     gboolean max_horz = self->max_horz;
2583     gboolean max_vert = self->max_vert;
2584     Rect oldarea;
2585     gint l;
2586
2587     /* turn them all off in the client, so they won't affect the window
2588        being placed */
2589     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2590         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2591
2592     /* move the client to its placed position, or it it's already there,
2593        generate a ConfigureNotify telling the client where it is.
2594
2595        do this after adjusting the frame. otherwise it gets all weird and
2596        clients don't work right
2597
2598        do this before applying the states so they have the correct
2599        pre-max/pre-fullscreen values
2600     */
2601     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2602     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2603              self->window, x, y, w, h);
2604     /* save the area, and make it where it should be for the premax stuff */
2605     oldarea = self->area;
2606     RECT_SET(self->area, x, y, w, h);
2607
2608     /* apply the states. these are in a carefully crafted order.. */
2609
2610     if (iconic)
2611         client_iconify(self, TRUE, FALSE, TRUE);
2612     if (fullscreen)
2613         client_fullscreen(self, TRUE);
2614     if (undecorated)
2615         client_set_undecorated(self, TRUE);
2616     if (shaded)
2617         client_shade(self, TRUE);
2618     if (demands_attention)
2619         client_hilite(self, TRUE);
2620
2621     if (max_vert && max_horz)
2622         client_maximize(self, TRUE, 0);
2623     else if (max_vert)
2624         client_maximize(self, TRUE, 2);
2625     else if (max_horz)
2626         client_maximize(self, TRUE, 1);
2627
2628     /* if the window hasn't been configured yet, then do so now, in fact the
2629        x,y,w,h may _not_ be the same as the area rect, which can end up
2630        meaning that the client isn't properly moved/resized by the fullscreen
2631        function
2632        pho can cause this because it maps at size of the screen but not 0,0
2633        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2634        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2635        cuz thats where the pre-fullscreen will be. however the actual area is
2636        not, so this needs to be called even if we have fullscreened/maxed
2637     */
2638     self->area = oldarea;
2639     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2640
2641     /* set the desktop hint, to make sure that it always exists */
2642     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2643
2644     /* nothing to do for the other states:
2645        skip_taskbar
2646        skip_pager
2647        modal
2648        above
2649        below
2650     */
2651 }
2652
2653 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2654 {
2655     /* these should be the current values. this is for when you're not moving,
2656        just resizing */
2657     g_assert(*x == self->area.x);
2658     g_assert(oldw == self->area.width);
2659
2660     /* horizontal */
2661     switch (self->gravity) {
2662     default:
2663     case NorthWestGravity:
2664     case WestGravity:
2665     case SouthWestGravity:
2666     case StaticGravity:
2667     case ForgetGravity:
2668         break;
2669     case NorthGravity:
2670     case CenterGravity:
2671     case SouthGravity:
2672         *x -= (neww - oldw) / 2;
2673         break;
2674     case NorthEastGravity:
2675     case EastGravity:
2676     case SouthEastGravity:
2677         *x -= neww - oldw;
2678         break;
2679     }
2680 }
2681
2682 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2683 {
2684     /* these should be the current values. this is for when you're not moving,
2685        just resizing */
2686     g_assert(*y == self->area.y);
2687     g_assert(oldh == self->area.height);
2688
2689     /* vertical */
2690     switch (self->gravity) {
2691     default:
2692     case NorthWestGravity:
2693     case NorthGravity:
2694     case NorthEastGravity:
2695     case StaticGravity:
2696     case ForgetGravity:
2697         break;
2698     case WestGravity:
2699     case CenterGravity:
2700     case EastGravity:
2701         *y -= (newh - oldh) / 2;
2702         break;
2703     case SouthWestGravity:
2704     case SouthGravity:
2705     case SouthEastGravity:
2706         *y -= newh - oldh;
2707         break;
2708     }
2709 }
2710
2711 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2712                           gint *logicalw, gint *logicalh,
2713                           gboolean user)
2714 {
2715     Rect desired = {*x, *y, *w, *h};
2716     frame_rect_to_frame(self->frame, &desired);
2717
2718     /* make the frame recalculate its dimentions n shit without changing
2719        anything visible for real, this way the constraints below can work with
2720        the updated frame dimensions. */
2721     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2722
2723     /* gets the frame's position */
2724     frame_client_gravity(self->frame, x, y);
2725
2726     /* these positions are frame positions, not client positions */
2727
2728     /* set the size and position if fullscreen */
2729     if (self->fullscreen) {
2730         Rect *a;
2731         guint i;
2732
2733         i = screen_find_monitor(&desired);
2734         a = screen_physical_area_monitor(i);
2735
2736         *x = a->x;
2737         *y = a->y;
2738         *w = a->width;
2739         *h = a->height;
2740
2741         user = FALSE; /* ignore if the client can't be moved/resized when it
2742                          is fullscreening */
2743
2744         g_free(a);
2745     } else if (self->max_horz || self->max_vert) {
2746         Rect *a;
2747         guint i;
2748
2749         /* use all possible struts when maximizing to the full screen */
2750         i = screen_find_monitor(&desired);
2751         a = screen_area(self->desktop, i,
2752                         (self->max_horz && self->max_vert ? NULL : &desired));
2753
2754         /* set the size and position if maximized */
2755         if (self->max_horz) {
2756             *x = a->x;
2757             *w = a->width - self->frame->size.left - self->frame->size.right;
2758         }
2759         if (self->max_vert) {
2760             *y = a->y;
2761             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2762         }
2763
2764         user = FALSE; /* ignore if the client can't be moved/resized when it
2765                          is maximizing */
2766
2767         g_free(a);
2768     }
2769
2770     /* gets the client's position */
2771     frame_frame_gravity(self->frame, x, y);
2772
2773     /* work within the prefered sizes given by the window */
2774     if (!(*w == self->area.width && *h == self->area.height)) {
2775         gint basew, baseh, minw, minh;
2776         gint incw, inch;
2777         gfloat minratio, maxratio;
2778
2779         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2780         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2781         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2782             0 : self->min_ratio;
2783         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2784             0 : self->max_ratio;
2785
2786         /* base size is substituted with min size if not specified */
2787         if (self->base_size.width || self->base_size.height) {
2788             basew = self->base_size.width;
2789             baseh = self->base_size.height;
2790         } else {
2791             basew = self->min_size.width;
2792             baseh = self->min_size.height;
2793         }
2794         /* min size is substituted with base size if not specified */
2795         if (self->min_size.width || self->min_size.height) {
2796             minw = self->min_size.width;
2797             minh = self->min_size.height;
2798         } else {
2799             minw = self->base_size.width;
2800             minh = self->base_size.height;
2801         }
2802
2803         /* if this is a user-requested resize, then check against min/max
2804            sizes */
2805
2806         /* smaller than min size or bigger than max size? */
2807         if (*w > self->max_size.width) *w = self->max_size.width;
2808         if (*w < minw) *w = minw;
2809         if (*h > self->max_size.height) *h = self->max_size.height;
2810         if (*h < minh) *h = minh;
2811
2812         *w -= basew;
2813         *h -= baseh;
2814
2815         /* keep to the increments */
2816         *w /= incw;
2817         *h /= inch;
2818
2819         /* you cannot resize to nothing */
2820         if (basew + *w < 1) *w = 1 - basew;
2821         if (baseh + *h < 1) *h = 1 - baseh;
2822
2823         /* save the logical size */
2824         *logicalw = incw > 1 ? *w : *w + basew;
2825         *logicalh = inch > 1 ? *h : *h + baseh;
2826
2827         *w *= incw;
2828         *h *= inch;
2829
2830         *w += basew;
2831         *h += baseh;
2832
2833         /* adjust the height to match the width for the aspect ratios.
2834            for this, min size is not substituted for base size ever. */
2835         *w -= self->base_size.width;
2836         *h -= self->base_size.height;
2837
2838         if (minratio)
2839             if (*h * minratio > *w) {
2840                 *h = (gint)(*w / minratio);
2841
2842                 /* you cannot resize to nothing */
2843                 if (*h < 1) {
2844                     *h = 1;
2845                     *w = (gint)(*h * minratio);
2846                 }
2847             }
2848         if (maxratio)
2849             if (*h * maxratio < *w) {
2850                 *h = (gint)(*w / maxratio);
2851
2852                 /* you cannot resize to nothing */
2853                 if (*h < 1) {
2854                     *h = 1;
2855                     *w = (gint)(*h * minratio);
2856                 }
2857             }
2858
2859         *w += self->base_size.width;
2860         *h += self->base_size.height;
2861     }
2862
2863     /* these override the above states! if you cant move you can't move! */
2864     if (user) {
2865         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2866             *x = self->area.x;
2867             *y = self->area.y;
2868         }
2869         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2870             *w = self->area.width;
2871             *h = self->area.height;
2872         }
2873     }
2874
2875     g_assert(*w > 0);
2876     g_assert(*h > 0);
2877 }
2878
2879
2880 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2881                       gboolean user, gboolean final, gboolean force_reply)
2882 {
2883     gint oldw, oldh;
2884     gboolean send_resize_client;
2885     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2886     gboolean fmoved, fresized;
2887     guint fdecor = self->frame->decorations;
2888     gboolean fhorz = self->frame->max_horz;
2889     gboolean fvert = self->frame->max_vert;
2890     gint logicalw, logicalh;
2891
2892     /* find the new x, y, width, and height (and logical size) */
2893     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2894
2895     /* set the logical size if things changed */
2896     if (!(w == self->area.width && h == self->area.height))
2897         SIZE_SET(self->logical_size, logicalw, logicalh);
2898
2899     /* figure out if we moved or resized or what */
2900     moved = (x != self->area.x || y != self->area.y);
2901     resized = (w != self->area.width || h != self->area.height);
2902
2903     oldw = self->area.width;
2904     oldh = self->area.height;
2905     RECT_SET(self->area, x, y, w, h);
2906
2907     /* for app-requested resizes, always resize if 'resized' is true.
2908        for user-requested ones, only resize if final is true, or when
2909        resizing in redraw mode */
2910     send_resize_client = ((!user && resized) ||
2911                           (user && (final ||
2912                                     (resized && config_resize_redraw))));
2913
2914     /* if the client is enlarging, then resize the client before the frame */
2915     if (send_resize_client && (w > oldw || h > oldh)) {
2916         XMoveResizeWindow(ob_display, self->window,
2917                           self->frame->size.left, self->frame->size.top,
2918                           MAX(w, oldw), MAX(h, oldh));
2919         frame_adjust_client_area(self->frame);
2920     }
2921
2922     /* find the frame's dimensions and move/resize it */
2923     fmoved = moved;
2924     fresized = resized;
2925
2926     /* if decorations changed, then readjust everything for the frame */
2927     if (self->decorations != fdecor ||
2928         self->max_horz != fhorz || self->max_vert != fvert)
2929     {
2930         fmoved = fresized = TRUE;
2931     }
2932
2933     /* adjust the frame */
2934     if (fmoved || fresized) {
2935         gulong ignore_start;
2936         if (!user)
2937             ignore_start = event_start_ignore_all_enters();
2938
2939         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2940
2941         if (!user)
2942             event_end_ignore_all_enters(ignore_start);
2943     }
2944
2945     if (!user || final) {
2946         gint oldrx = self->root_pos.x;
2947         gint oldry = self->root_pos.y;
2948         /* we have reset the client to 0 border width, so don't include
2949            it in these coords */
2950         POINT_SET(self->root_pos,
2951                   self->frame->area.x + self->frame->size.left -
2952                   self->border_width,
2953                   self->frame->area.y + self->frame->size.top -
2954                   self->border_width);
2955         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
2956             rootmoved = TRUE;
2957     }
2958
2959     /* This is kinda tricky and should not be changed.. let me explain!
2960
2961        When user = FALSE, then the request is coming from the application
2962        itself, and we are more strict about when to send a synthetic
2963        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
2964        in this case (if force_reply is true)
2965
2966        When user = TRUE, then the request is coming from "us", like when we
2967        maximize a window or something.  In this case we are more lenient.  We
2968        used to follow the same rules as above, but _Java_ Swing can't handle
2969        this. So just to appease Swing, when user = TRUE, we always send
2970        a synthetic ConfigureNotify to give the window its root coordinates.
2971     */
2972     if ((!user && !resized && (rootmoved || force_reply)) ||
2973         (user && final && rootmoved))
2974     {
2975         XEvent event;
2976
2977         event.type = ConfigureNotify;
2978         event.xconfigure.display = ob_display;
2979         event.xconfigure.event = self->window;
2980         event.xconfigure.window = self->window;
2981
2982         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2983                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2984
2985         /* root window real coords */
2986         event.xconfigure.x = self->root_pos.x;
2987         event.xconfigure.y = self->root_pos.y;
2988         event.xconfigure.width = w;
2989         event.xconfigure.height = h;
2990         event.xconfigure.border_width = self->border_width;
2991         event.xconfigure.above = None;
2992         event.xconfigure.override_redirect = FALSE;
2993         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2994                    FALSE, StructureNotifyMask, &event);
2995     }
2996
2997     /* if the client is shrinking, then resize the frame before the client.
2998
2999        both of these resize sections may run, because the top one only resizes
3000        in the direction that is growing
3001      */
3002     if (send_resize_client && (w <= oldw || h <= oldh)) {
3003         frame_adjust_client_area(self->frame);
3004         XMoveResizeWindow(ob_display, self->window,
3005                           self->frame->size.left, self->frame->size.top, w, h);
3006     }
3007
3008     XFlush(ob_display);
3009 }
3010
3011 void client_fullscreen(ObClient *self, gboolean fs)
3012 {
3013     gint x, y, w, h;
3014
3015     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3016         self->fullscreen == fs) return;                   /* already done */
3017
3018     self->fullscreen = fs;
3019     client_change_state(self); /* change the state hints on the client */
3020
3021     if (fs) {
3022         self->pre_fullscreen_area = self->area;
3023         /* if the window is maximized, its area isn't all that meaningful.
3024            save it's premax area instead. */
3025         if (self->max_horz) {
3026             self->pre_fullscreen_area.x = self->pre_max_area.x;
3027             self->pre_fullscreen_area.width = self->pre_max_area.width;
3028         }
3029         if (self->max_vert) {
3030             self->pre_fullscreen_area.y = self->pre_max_area.y;
3031             self->pre_fullscreen_area.height = self->pre_max_area.height;
3032         }
3033
3034         /* these will help configure_full figure out where to fullscreen
3035            the window */
3036         x = self->area.x;
3037         y = self->area.y;
3038         w = self->area.width;
3039         h = self->area.height;
3040     } else {
3041         g_assert(self->pre_fullscreen_area.width > 0 &&
3042                  self->pre_fullscreen_area.height > 0);
3043
3044         x = self->pre_fullscreen_area.x;
3045         y = self->pre_fullscreen_area.y;
3046         w = self->pre_fullscreen_area.width;
3047         h = self->pre_fullscreen_area.height;
3048         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3049     }
3050
3051     ob_debug("Window %s going fullscreen (%d)\n",
3052              self->title, self->fullscreen);
3053
3054     client_setup_decor_and_functions(self, FALSE);
3055     client_move_resize(self, x, y, w, h);
3056
3057     /* and adjust our layer/stacking. do this after resizing the window,
3058        and applying decorations, because windows which fill the screen are
3059        considered "fullscreen" and it affects their layer */
3060     client_calc_layer(self);
3061
3062     if (fs) {
3063         /* try focus us when we go into fullscreen mode */
3064         client_focus(self);
3065     }
3066 }
3067
3068 static void client_iconify_recursive(ObClient *self,
3069                                      gboolean iconic, gboolean curdesk,
3070                                      gboolean hide_animation)
3071 {
3072     GSList *it;
3073     gboolean changed = FALSE;
3074
3075
3076     if (self->iconic != iconic) {
3077         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3078                  self->window);
3079
3080         if (iconic) {
3081             /* don't let non-normal windows iconify along with their parents
3082                or whatever */
3083             if (client_normal(self)) {
3084                 self->iconic = iconic;
3085
3086                 /* update the focus lists.. iconic windows go to the bottom of
3087                    the list */
3088                 focus_order_to_bottom(self);
3089
3090                 changed = TRUE;
3091             }
3092         } else {
3093             self->iconic = iconic;
3094
3095             if (curdesk && self->desktop != screen_desktop &&
3096                 self->desktop != DESKTOP_ALL)
3097                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3098
3099             /* this puts it after the current focused window */
3100             focus_order_remove(self);
3101             focus_order_add_new(self);
3102
3103             changed = TRUE;
3104         }
3105     }
3106
3107     if (changed) {
3108         client_change_state(self);
3109         if (config_animate_iconify && !hide_animation)
3110             frame_begin_iconify_animation(self->frame, iconic);
3111         /* do this after starting the animation so it doesn't flash */
3112         client_showhide(self);
3113     }
3114
3115     /* iconify all direct transients, and deiconify all transients
3116        (non-direct too) */
3117     for (it = self->transients; it; it = g_slist_next(it))
3118         if (it->data != self)
3119             if (client_is_direct_child(self, it->data) || !iconic)
3120                 client_iconify_recursive(it->data, iconic, curdesk,
3121                                          hide_animation);
3122 }
3123
3124 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3125                     gboolean hide_animation)
3126 {
3127     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3128         /* move up the transient chain as far as possible first */
3129         self = client_search_top_direct_parent(self);
3130         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3131     }
3132 }
3133
3134 void client_maximize(ObClient *self, gboolean max, gint dir)
3135 {
3136     gint x, y, w, h;
3137
3138     g_assert(dir == 0 || dir == 1 || dir == 2);
3139     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3140
3141     /* check if already done */
3142     if (max) {
3143         if (dir == 0 && self->max_horz && self->max_vert) return;
3144         if (dir == 1 && self->max_horz) return;
3145         if (dir == 2 && self->max_vert) return;
3146     } else {
3147         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3148         if (dir == 1 && !self->max_horz) return;
3149         if (dir == 2 && !self->max_vert) return;
3150     }
3151
3152     /* these will help configure_full figure out which screen to fill with
3153        the window */
3154     x = self->area.x;
3155     y = self->area.y;
3156     w = self->area.width;
3157     h = self->area.height;
3158
3159     if (max) {
3160         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3161             RECT_SET(self->pre_max_area,
3162                      self->area.x, self->pre_max_area.y,
3163                      self->area.width, self->pre_max_area.height);
3164         }
3165         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3166             RECT_SET(self->pre_max_area,
3167                      self->pre_max_area.x, self->area.y,
3168                      self->pre_max_area.width, self->area.height);
3169         }
3170     } else {
3171         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3172             g_assert(self->pre_max_area.width > 0);
3173
3174             x = self->pre_max_area.x;
3175             w = self->pre_max_area.width;
3176
3177             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3178                      0, self->pre_max_area.height);
3179         }
3180         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3181             g_assert(self->pre_max_area.height > 0);
3182
3183             y = self->pre_max_area.y;
3184             h = self->pre_max_area.height;
3185
3186             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3187                      self->pre_max_area.width, 0);
3188         }
3189     }
3190
3191     if (dir == 0 || dir == 1) /* horz */
3192         self->max_horz = max;
3193     if (dir == 0 || dir == 2) /* vert */
3194         self->max_vert = max;
3195
3196     client_change_state(self); /* change the state hints on the client */
3197
3198     client_setup_decor_and_functions(self, FALSE);
3199     client_move_resize(self, x, y, w, h);
3200 }
3201
3202 void client_shade(ObClient *self, gboolean shade)
3203 {
3204     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3205          shade) ||                         /* can't shade */
3206         self->shaded == shade) return;     /* already done */
3207
3208     self->shaded = shade;
3209     client_change_state(self);
3210     client_change_wm_state(self); /* the window is being hidden/shown */
3211     /* resize the frame to just the titlebar */
3212     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3213 }
3214
3215 static void client_ping_event(ObClient *self, gboolean dead)
3216 {
3217     self->not_responding = dead;
3218     client_update_title(self);
3219
3220     if (!dead) {
3221         /* try kill it nicely the first time again, if it started responding
3222            at some point */
3223         self->close_tried_term = FALSE;
3224     }
3225 }
3226
3227 void client_close(ObClient *self)
3228 {
3229     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3230
3231     /* in the case that the client provides no means to requesting that it
3232        close, we just kill it */
3233     if (!self->delete_window)
3234         /* don't use client_kill(), we should only kill based on PID in
3235            response to a lack of PING replies */
3236         XKillClient(ob_display, self->window);
3237     else if (self->not_responding)
3238         client_kill(self);
3239     else
3240         /* request the client to close with WM_DELETE_WINDOW */
3241         PROP_MSG_TO(self->window, self->window, wm_protocols,
3242                     prop_atoms.wm_delete_window, event_curtime, 0, 0, 0,
3243                     NoEventMask);
3244 }
3245
3246 void client_kill(ObClient *self)
3247 {
3248     if (!self->client_machine && self->pid) {
3249         /* running on the local host */
3250         if (!self->close_tried_term) {
3251             ob_debug("killing window 0x%x with pid %lu, with SIGTERM\n",
3252                      self->window, self->pid);
3253             kill(self->pid, SIGTERM);
3254             self->close_tried_term = TRUE;
3255
3256             /* show that we're trying to kill it */
3257             client_update_title(self);
3258         }
3259         else {
3260             ob_debug("killing window 0x%x with pid %lu, with SIGKILL\n",
3261                      self->window, self->pid);
3262             kill(self->pid, SIGKILL); /* kill -9 */
3263         }
3264     }
3265     else
3266         XKillClient(ob_display, self->window);
3267 }
3268
3269 void client_hilite(ObClient *self, gboolean hilite)
3270 {
3271     if (self->demands_attention == hilite)
3272         return; /* no change */
3273
3274     /* don't allow focused windows to hilite */
3275     self->demands_attention = hilite && !client_focused(self);
3276     if (self->frame != NULL) { /* if we're mapping, just set the state */
3277         if (self->demands_attention)
3278             frame_flash_start(self->frame);
3279         else
3280             frame_flash_stop(self->frame);
3281         client_change_state(self);
3282     }
3283 }
3284
3285 static void client_set_desktop_recursive(ObClient *self,
3286                                          guint target,
3287                                          gboolean donthide,
3288                                          gboolean dontraise)
3289 {
3290     guint old;
3291     GSList *it;
3292
3293     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3294
3295         ob_debug("Setting desktop %u\n", target+1);
3296
3297         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3298
3299         old = self->desktop;
3300         self->desktop = target;
3301         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3302         /* the frame can display the current desktop state */
3303         frame_adjust_state(self->frame);
3304         /* 'move' the window to the new desktop */
3305         if (!donthide)
3306             client_hide(self);
3307         client_show(self);
3308         /* raise if it was not already on the desktop */
3309         if (old != DESKTOP_ALL && !dontraise)
3310             stacking_raise(CLIENT_AS_WINDOW(self));
3311         if (STRUT_EXISTS(self->strut))
3312             screen_update_areas();
3313         else
3314             /* the new desktop's geometry may be different, so we may need to
3315                resize, for example if we are maximized */
3316             client_reconfigure(self, FALSE);
3317     }
3318
3319     /* move all transients */
3320     for (it = self->transients; it; it = g_slist_next(it))
3321         if (it->data != self)
3322             if (client_is_direct_child(self, it->data))
3323                 client_set_desktop_recursive(it->data, target,
3324                                              donthide, dontraise);
3325 }
3326
3327 void client_set_desktop(ObClient *self, guint target,
3328                         gboolean donthide, gboolean dontraise)
3329 {
3330     self = client_search_top_direct_parent(self);
3331     client_set_desktop_recursive(self, target, donthide, dontraise);
3332 }
3333
3334 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3335 {
3336     while (child != parent && (child = client_direct_parent(child)));
3337     return child == parent;
3338 }
3339
3340 ObClient *client_search_modal_child(ObClient *self)
3341 {
3342     GSList *it;
3343     ObClient *ret;
3344
3345     for (it = self->transients; it; it = g_slist_next(it)) {
3346         ObClient *c = it->data;
3347         if ((ret = client_search_modal_child(c))) return ret;
3348         if (c->modal) return c;
3349     }
3350     return NULL;
3351 }
3352
3353 gboolean client_validate(ObClient *self)
3354 {
3355     XEvent e;
3356
3357     XSync(ob_display, FALSE); /* get all events on the server */
3358
3359     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3360         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3361         XPutBackEvent(ob_display, &e);
3362         return FALSE;
3363     }
3364
3365     return TRUE;
3366 }
3367
3368 void client_set_wm_state(ObClient *self, glong state)
3369 {
3370     if (state == self->wmstate) return; /* no change */
3371
3372     switch (state) {
3373     case IconicState:
3374         client_iconify(self, TRUE, TRUE, FALSE);
3375         break;
3376     case NormalState:
3377         client_iconify(self, FALSE, TRUE, FALSE);
3378         break;
3379     }
3380 }
3381
3382 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3383 {
3384     gboolean shaded = self->shaded;
3385     gboolean fullscreen = self->fullscreen;
3386     gboolean undecorated = self->undecorated;
3387     gboolean max_horz = self->max_horz;
3388     gboolean max_vert = self->max_vert;
3389     gboolean modal = self->modal;
3390     gboolean iconic = self->iconic;
3391     gboolean demands_attention = self->demands_attention;
3392     gboolean above = self->above;
3393     gboolean below = self->below;
3394     gint i;
3395
3396     if (!(action == prop_atoms.net_wm_state_add ||
3397           action == prop_atoms.net_wm_state_remove ||
3398           action == prop_atoms.net_wm_state_toggle))
3399         /* an invalid action was passed to the client message, ignore it */
3400         return;
3401
3402     for (i = 0; i < 2; ++i) {
3403         Atom state = i == 0 ? data1 : data2;
3404
3405         if (!state) continue;
3406
3407         /* if toggling, then pick whether we're adding or removing */
3408         if (action == prop_atoms.net_wm_state_toggle) {
3409             if (state == prop_atoms.net_wm_state_modal)
3410                 action = modal ? prop_atoms.net_wm_state_remove :
3411                     prop_atoms.net_wm_state_add;
3412             else if (state == prop_atoms.net_wm_state_maximized_vert)
3413                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3414                     prop_atoms.net_wm_state_add;
3415             else if (state == prop_atoms.net_wm_state_maximized_horz)
3416                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3417                     prop_atoms.net_wm_state_add;
3418             else if (state == prop_atoms.net_wm_state_shaded)
3419                 action = shaded ? prop_atoms.net_wm_state_remove :
3420                     prop_atoms.net_wm_state_add;
3421             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3422                 action = self->skip_taskbar ?
3423                     prop_atoms.net_wm_state_remove :
3424                     prop_atoms.net_wm_state_add;
3425             else if (state == prop_atoms.net_wm_state_skip_pager)
3426                 action = self->skip_pager ?
3427                     prop_atoms.net_wm_state_remove :
3428                     prop_atoms.net_wm_state_add;
3429             else if (state == prop_atoms.net_wm_state_hidden)
3430                 action = self->iconic ?
3431                     prop_atoms.net_wm_state_remove :
3432                     prop_atoms.net_wm_state_add;
3433             else if (state == prop_atoms.net_wm_state_fullscreen)
3434                 action = fullscreen ?
3435                     prop_atoms.net_wm_state_remove :
3436                     prop_atoms.net_wm_state_add;
3437             else if (state == prop_atoms.net_wm_state_above)
3438                 action = self->above ? prop_atoms.net_wm_state_remove :
3439                     prop_atoms.net_wm_state_add;
3440             else if (state == prop_atoms.net_wm_state_below)
3441                 action = self->below ? prop_atoms.net_wm_state_remove :
3442                     prop_atoms.net_wm_state_add;
3443             else if (state == prop_atoms.net_wm_state_demands_attention)
3444                 action = self->demands_attention ?
3445                     prop_atoms.net_wm_state_remove :
3446                     prop_atoms.net_wm_state_add;
3447             else if (state == prop_atoms.ob_wm_state_undecorated)
3448                 action = undecorated ? prop_atoms.net_wm_state_remove :
3449                     prop_atoms.net_wm_state_add;
3450         }
3451
3452         if (action == prop_atoms.net_wm_state_add) {
3453             if (state == prop_atoms.net_wm_state_modal) {
3454                 modal = TRUE;
3455             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3456                 max_vert = TRUE;
3457             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3458                 max_horz = TRUE;
3459             } else if (state == prop_atoms.net_wm_state_shaded) {
3460                 shaded = TRUE;
3461             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3462                 self->skip_taskbar = TRUE;
3463             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3464                 self->skip_pager = TRUE;
3465             } else if (state == prop_atoms.net_wm_state_hidden) {
3466                 iconic = TRUE;
3467             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3468                 fullscreen = TRUE;
3469             } else if (state == prop_atoms.net_wm_state_above) {
3470                 above = TRUE;
3471                 below = FALSE;
3472             } else if (state == prop_atoms.net_wm_state_below) {
3473                 above = FALSE;
3474                 below = TRUE;
3475             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3476                 demands_attention = TRUE;
3477             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3478                 undecorated = TRUE;
3479             }
3480
3481         } else { /* action == prop_atoms.net_wm_state_remove */
3482             if (state == prop_atoms.net_wm_state_modal) {
3483                 modal = FALSE;
3484             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3485                 max_vert = FALSE;
3486             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3487                 max_horz = FALSE;
3488             } else if (state == prop_atoms.net_wm_state_shaded) {
3489                 shaded = FALSE;
3490             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3491                 self->skip_taskbar = FALSE;
3492             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3493                 self->skip_pager = FALSE;
3494             } else if (state == prop_atoms.net_wm_state_hidden) {
3495                 iconic = FALSE;
3496             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3497                 fullscreen = FALSE;
3498             } else if (state == prop_atoms.net_wm_state_above) {
3499                 above = FALSE;
3500             } else if (state == prop_atoms.net_wm_state_below) {
3501                 below = FALSE;
3502             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3503                 demands_attention = FALSE;
3504             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3505                 undecorated = FALSE;
3506             }
3507         }
3508     }
3509
3510     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3511         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3512             /* toggling both */
3513             if (max_horz == max_vert) { /* both going the same way */
3514                 client_maximize(self, max_horz, 0);
3515             } else {
3516                 client_maximize(self, max_horz, 1);
3517                 client_maximize(self, max_vert, 2);
3518             }
3519         } else {
3520             /* toggling one */
3521             if (max_horz != self->max_horz)
3522                 client_maximize(self, max_horz, 1);
3523             else
3524                 client_maximize(self, max_vert, 2);
3525         }
3526     }
3527     /* change fullscreen state before shading, as it will affect if the window
3528        can shade or not */
3529     if (fullscreen != self->fullscreen)
3530         client_fullscreen(self, fullscreen);
3531     if (shaded != self->shaded)
3532         client_shade(self, shaded);
3533     if (undecorated != self->undecorated)
3534         client_set_undecorated(self, undecorated);
3535     if (above != self->above || below != self->below) {
3536         self->above = above;
3537         self->below = below;
3538         client_calc_layer(self);
3539     }
3540
3541     if (modal != self->modal) {
3542         self->modal = modal;
3543         /* when a window changes modality, then its stacking order with its
3544            transients needs to change */
3545         stacking_raise(CLIENT_AS_WINDOW(self));
3546
3547         /* it also may get focused. if something is focused that shouldn't
3548            be focused anymore, then move the focus */
3549         if (focus_client && client_focus_target(focus_client) != focus_client)
3550             client_focus(focus_client);
3551     }
3552
3553     if (iconic != self->iconic)
3554         client_iconify(self, iconic, FALSE, FALSE);
3555
3556     if (demands_attention != self->demands_attention)
3557         client_hilite(self, demands_attention);
3558
3559     client_change_state(self); /* change the hint to reflect these changes */
3560 }
3561
3562 ObClient *client_focus_target(ObClient *self)
3563 {
3564     ObClient *child = NULL;
3565
3566     child = client_search_modal_child(self);
3567     if (child) return child;
3568     return self;
3569 }
3570
3571 gboolean client_can_focus(ObClient *self)
3572 {
3573     /* choose the correct target */
3574     self = client_focus_target(self);
3575
3576     if (!self->frame->visible)
3577         return FALSE;
3578
3579     if (!(self->can_focus || self->focus_notify))
3580         return FALSE;
3581
3582     return TRUE;
3583 }
3584
3585 gboolean client_focus(ObClient *self)
3586 {
3587     /* we might not focus this window, so if we have modal children which would
3588        be focused instead, bring them to this desktop */
3589     client_bring_modal_windows(self);
3590
3591     /* choose the correct target */
3592     self = client_focus_target(self);
3593
3594     if (!client_can_focus(self)) {
3595         ob_debug_type(OB_DEBUG_FOCUS,
3596                       "Client %s can't be focused\n", self->title);
3597         return FALSE;
3598     }
3599
3600     ob_debug_type(OB_DEBUG_FOCUS,
3601                   "Focusing client \"%s\" (0x%x) at time %u\n",
3602                   self->title, self->window, event_curtime);
3603
3604     /* if using focus_delay, stop the timer now so that focus doesn't
3605        go moving on us */
3606     event_halt_focus_delay();
3607
3608     /* if there is a grab going on, then we need to cancel it. if we move
3609        focus during the grab, applications will get NotifyWhileGrabbed events
3610        and ignore them !
3611
3612        actions should not rely on being able to move focus during an
3613        interactive grab.
3614     */
3615     event_cancel_all_key_grabs();
3616
3617     xerror_set_ignore(TRUE);
3618     xerror_occured = FALSE;
3619
3620     if (self->can_focus) {
3621         /* This can cause a BadMatch error with CurrentTime, or if an app
3622            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3623         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3624                        event_curtime);
3625     }
3626
3627     if (self->focus_notify) {
3628         XEvent ce;
3629         ce.xclient.type = ClientMessage;
3630         ce.xclient.message_type = prop_atoms.wm_protocols;
3631         ce.xclient.display = ob_display;
3632         ce.xclient.window = self->window;
3633         ce.xclient.format = 32;
3634         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3635         ce.xclient.data.l[1] = event_curtime;
3636         ce.xclient.data.l[2] = 0l;
3637         ce.xclient.data.l[3] = 0l;
3638         ce.xclient.data.l[4] = 0l;
3639         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3640     }
3641
3642     xerror_set_ignore(FALSE);
3643
3644     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3645     return !xerror_occured;
3646 }
3647
3648 static void client_present(ObClient *self, gboolean here, gboolean raise,
3649                            gboolean unshade)
3650 {
3651     if (client_normal(self) && screen_showing_desktop)
3652         screen_show_desktop(FALSE, self);
3653     if (self->iconic)
3654         client_iconify(self, FALSE, here, FALSE);
3655     if (self->desktop != DESKTOP_ALL &&
3656         self->desktop != screen_desktop)
3657     {
3658         if (here)
3659             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3660         else
3661             screen_set_desktop(self->desktop, FALSE);
3662     } else if (!self->frame->visible)
3663         /* if its not visible for other reasons, then don't mess
3664            with it */
3665         return;
3666     if (self->shaded && unshade)
3667         client_shade(self, FALSE);
3668     if (raise)
3669         stacking_raise(CLIENT_AS_WINDOW(self));
3670
3671     client_focus(self);
3672 }
3673
3674 void client_activate(ObClient *self, gboolean here, gboolean raise,
3675                      gboolean unshade, gboolean user)
3676 {
3677     client_present(self, here, raise, unshade);
3678 }
3679
3680 static void client_bring_windows_recursive(ObClient *self,
3681                                            guint desktop,
3682                                            gboolean helpers,
3683                                            gboolean modals,
3684                                            gboolean iconic)
3685 {
3686     GSList *it;
3687
3688     for (it = self->transients; it; it = g_slist_next(it))
3689         client_bring_windows_recursive(it->data, desktop,
3690                                        helpers, modals, iconic);
3691
3692     if (((helpers && client_helper(self)) ||
3693          (modals && self->modal)) &&
3694         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3695          (iconic && self->iconic)))
3696     {
3697         if (iconic && self->iconic)
3698             client_iconify(self, FALSE, TRUE, FALSE);
3699         else
3700             client_set_desktop(self, desktop, FALSE, FALSE);
3701     }
3702 }
3703
3704 void client_bring_helper_windows(ObClient *self)
3705 {
3706     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3707 }
3708
3709 void client_bring_modal_windows(ObClient *self)
3710 {
3711     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3712 }
3713
3714 gboolean client_focused(ObClient *self)
3715 {
3716     return self == focus_client;
3717 }
3718
3719 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3720 {
3721     guint i;
3722     gulong min_diff, min_i;
3723
3724     if (!self->nicons) {
3725         ObClientIcon *parent = NULL;
3726         GSList *it;
3727
3728         for (it = self->parents; it; it = g_slist_next(it)) {
3729             ObClient *c = it->data;
3730             if ((parent = client_icon_recursive(c, w, h)))
3731                 break;
3732         }
3733
3734         return parent;
3735     }
3736
3737     /* some kind of crappy approximation to find the icon closest in size to
3738        what we requested, but icons are generally all the same ratio as
3739        eachother so it's good enough. */
3740
3741     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3742     min_i = 0;
3743
3744     for (i = 1; i < self->nicons; ++i) {
3745         gulong diff;
3746
3747         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3748         if (diff < min_diff) {
3749             min_diff = diff;
3750             min_i = i;
3751         }
3752     }
3753     return &self->icons[min_i];
3754 }
3755
3756 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3757 {
3758     ObClientIcon *ret;
3759     static ObClientIcon deficon;
3760
3761     if (!(ret = client_icon_recursive(self, w, h))) {
3762         deficon.width = deficon.height = 48;
3763         deficon.data = ob_rr_theme->def_win_icon;
3764         ret = &deficon;
3765     }
3766     return ret;
3767 }
3768
3769 void client_set_layer(ObClient *self, gint layer)
3770 {
3771     if (layer < 0) {
3772         self->below = TRUE;
3773         self->above = FALSE;
3774     } else if (layer == 0) {
3775         self->below = self->above = FALSE;
3776     } else {
3777         self->below = FALSE;
3778         self->above = TRUE;
3779     }
3780     client_calc_layer(self);
3781     client_change_state(self); /* reflect this in the state hints */
3782 }
3783
3784 void client_set_undecorated(ObClient *self, gboolean undecorated)
3785 {
3786     if (self->undecorated != undecorated &&
3787         /* don't let it undecorate if the function is missing, but let
3788            it redecorate */
3789         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3790     {
3791         self->undecorated = undecorated;
3792         client_setup_decor_and_functions(self, TRUE);
3793         client_change_state(self); /* reflect this in the state hints */
3794     }
3795 }
3796
3797 guint client_monitor(ObClient *self)
3798 {
3799     return screen_find_monitor(&self->frame->area);
3800 }
3801
3802 ObClient *client_direct_parent(ObClient *self)
3803 {
3804     if (!self->parents) return NULL;
3805     if (self->transient_for_group) return NULL;
3806     return self->parents->data;
3807 }
3808
3809 ObClient *client_search_top_direct_parent(ObClient *self)
3810 {
3811     ObClient *p;
3812     while ((p = client_direct_parent(self))) self = p;
3813     return self;
3814 }
3815
3816 static GSList *client_search_all_top_parents_internal(ObClient *self,
3817                                                       gboolean bylayer,
3818                                                       ObStackingLayer layer)
3819 {
3820     GSList *ret;
3821     ObClient *p;
3822
3823     /* move up the direct transient chain as far as possible */
3824     while ((p = client_direct_parent(self)) &&
3825            (!bylayer || p->layer == layer))
3826         self = p;
3827
3828     if (!self->parents)
3829         ret = g_slist_prepend(NULL, self);
3830     else
3831         ret = g_slist_copy(self->parents);
3832
3833     return ret;
3834 }
3835
3836 GSList *client_search_all_top_parents(ObClient *self)
3837 {
3838     return client_search_all_top_parents_internal(self, FALSE, 0);
3839 }
3840
3841 GSList *client_search_all_top_parents_layer(ObClient *self)
3842 {
3843     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3844 }
3845
3846 ObClient *client_search_focus_parent(ObClient *self)
3847 {
3848     GSList *it;
3849
3850     for (it = self->parents; it; it = g_slist_next(it))
3851         if (client_focused(it->data)) return it->data;
3852
3853     return NULL;
3854 }
3855
3856 ObClient *client_search_parent(ObClient *self, ObClient *search)
3857 {
3858     GSList *it;
3859
3860     for (it = self->parents; it; it = g_slist_next(it))
3861         if (it->data == search) return search;
3862
3863     return NULL;
3864 }
3865
3866 ObClient *client_search_transient(ObClient *self, ObClient *search)
3867 {
3868     GSList *sit;
3869
3870     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3871         if (sit->data == search)
3872             return search;
3873         if (client_search_transient(sit->data, search))
3874             return search;
3875     }
3876     return NULL;
3877 }
3878
3879 static void detect_edge(Rect area, ObDirection dir,
3880                         gint my_head, gint my_size,
3881                         gint my_edge_start, gint my_edge_size,
3882                         gint *dest, gboolean *near_edge)
3883 {
3884     gint edge_start, edge_size, head, tail;
3885     gboolean skip_head = FALSE, skip_tail = FALSE;
3886
3887     switch (dir) {
3888         case OB_DIRECTION_NORTH:
3889         case OB_DIRECTION_SOUTH:
3890             edge_start = area.x;
3891             edge_size = area.width;
3892             break;
3893         case OB_DIRECTION_EAST:
3894         case OB_DIRECTION_WEST:
3895             edge_start = area.y;
3896             edge_size = area.height;
3897             break;
3898         default:
3899             g_assert_not_reached();
3900     }
3901
3902     /* do we collide with this window? */
3903     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
3904                 edge_start, edge_size))
3905         return;
3906
3907     switch (dir) {
3908         case OB_DIRECTION_NORTH:
3909             head = RECT_BOTTOM(area);
3910             tail = RECT_TOP(area);
3911             break;
3912         case OB_DIRECTION_SOUTH:
3913             head = RECT_TOP(area);
3914             tail = RECT_BOTTOM(area);
3915             break;
3916         case OB_DIRECTION_WEST:
3917             head = RECT_RIGHT(area);
3918             tail = RECT_LEFT(area);
3919             break;
3920         case OB_DIRECTION_EAST:
3921             head = RECT_LEFT(area);
3922             tail = RECT_RIGHT(area);
3923             break;
3924         default:
3925             g_assert_not_reached();
3926     }
3927     switch (dir) {
3928         case OB_DIRECTION_NORTH:
3929         case OB_DIRECTION_WEST:
3930             /* check if our window is past the head of this window */
3931             if (my_head <= head + 1)
3932                 skip_head = TRUE;
3933             /* check if our window's tail is past the tail of this window */
3934             if (my_head + my_size - 1 <= tail)
3935                 skip_tail = TRUE;
3936             /* check if the head of this window is closer than the previously
3937                chosen edge (take into account that the previously chosen
3938                edge might have been a tail, not a head) */
3939             if (head + (*near_edge ? 0 : my_size) < *dest)
3940                 skip_head = TRUE;
3941             /* check if the tail of this window is closer than the previously
3942                chosen edge (take into account that the previously chosen
3943                edge might have been a head, not a tail) */
3944             if (tail - (!*near_edge ? 0 : my_size) < *dest)
3945                 skip_tail = TRUE;
3946             break;
3947         case OB_DIRECTION_SOUTH:
3948         case OB_DIRECTION_EAST:
3949             /* check if our window is past the head of this window */
3950             if (my_head >= head - 1)
3951                 skip_head = TRUE;
3952             /* check if our window's tail is past the tail of this window */
3953             if (my_head - my_size + 1 >= tail)
3954                 skip_tail = TRUE;
3955             /* check if the head of this window is closer than the previously
3956                chosen edge (take into account that the previously chosen
3957                edge might have been a tail, not a head) */
3958             if (head - (*near_edge ? 0 : my_size) > *dest)
3959                 skip_head = TRUE;
3960             /* check if the tail of this window is closer than the previously
3961                chosen edge (take into account that the previously chosen
3962                edge might have been a head, not a tail) */
3963             if (tail + (!*near_edge ? 0 : my_size) > *dest)
3964                 skip_tail = TRUE;
3965             break;
3966         default:
3967             g_assert_not_reached();
3968     }
3969
3970     ob_debug("my head %d size %d\n", my_head, my_size);
3971     ob_debug("head %d tail %d deest %d\n", head, tail, *dest);
3972     if (!skip_head) {
3973         ob_debug("using near edge %d\n", head);
3974         *dest = head;
3975         *near_edge = TRUE;
3976     }
3977     else if (!skip_tail) {
3978         ob_debug("using far edge %d\n", tail);
3979         *dest = tail;
3980         *near_edge = FALSE;
3981     }
3982 }
3983
3984 void client_find_edge_directional(ObClient *self, ObDirection dir,
3985                                   gint my_head, gint my_size,
3986                                   gint my_edge_start, gint my_edge_size,
3987                                   gint *dest, gboolean *near_edge)
3988 {
3989     GList *it;
3990     Rect *a, *mon;
3991     Rect dock_area;
3992     gint edge;
3993
3994     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
3995                     &self->frame->area);
3996     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
3997                       &self->frame->area);
3998
3999     switch (dir) {
4000     case OB_DIRECTION_NORTH:
4001         if (my_head >= RECT_TOP(*mon) + 1)
4002             edge = RECT_TOP(*mon) - 1;
4003         else
4004             edge = RECT_TOP(*a) - 1;
4005         break;
4006     case OB_DIRECTION_SOUTH:
4007         if (my_head <= RECT_BOTTOM(*mon) - 1)
4008             edge = RECT_BOTTOM(*mon) + 1;
4009         else
4010             edge = RECT_BOTTOM(*a) + 1;
4011         break;
4012     case OB_DIRECTION_EAST:
4013         if (my_head <= RECT_RIGHT(*mon) - 1)
4014             edge = RECT_RIGHT(*mon) + 1;
4015         else
4016             edge = RECT_RIGHT(*a) + 1;
4017         break;
4018     case OB_DIRECTION_WEST:
4019         if (my_head >= RECT_LEFT(*mon) + 1)
4020             edge = RECT_LEFT(*mon) - 1;
4021         else
4022             edge = RECT_LEFT(*a) - 1;
4023         break;
4024     default:
4025         g_assert_not_reached();
4026     }
4027     /* default to the far edge, then narrow it down */
4028     *dest = edge;
4029     *near_edge = TRUE;
4030
4031     for (it = client_list; it; it = g_list_next(it)) {
4032         ObClient *cur = it->data;
4033
4034         /* skip windows to not bump into */
4035         if (cur == self)
4036             continue;
4037         if (cur->iconic)
4038             continue;
4039         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4040             cur->desktop != screen_desktop)
4041             continue;
4042
4043         ob_debug("trying window %s\n", cur->title);
4044
4045         detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
4046                     my_edge_size, dest, near_edge);
4047     }
4048     dock_get_area(&dock_area);
4049     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4050                 my_edge_size, dest, near_edge);
4051     g_free(a);
4052     g_free(mon);
4053 }
4054
4055 void client_find_move_directional(ObClient *self, ObDirection dir,
4056                                   gint *x, gint *y)
4057 {
4058     gint head, size;
4059     gint e, e_start, e_size;
4060     gboolean near;
4061
4062     switch (dir) {
4063     case OB_DIRECTION_EAST:
4064         head = RECT_RIGHT(self->frame->area);
4065         size = self->frame->area.width;
4066         e_start = RECT_TOP(self->frame->area);
4067         e_size = self->frame->area.height;
4068         break;
4069     case OB_DIRECTION_WEST:
4070         head = RECT_LEFT(self->frame->area);
4071         size = self->frame->area.width;
4072         e_start = RECT_TOP(self->frame->area);
4073         e_size = self->frame->area.height;
4074         break;
4075     case OB_DIRECTION_NORTH:
4076         head = RECT_TOP(self->frame->area);
4077         size = self->frame->area.height;
4078         e_start = RECT_LEFT(self->frame->area);
4079         e_size = self->frame->area.width;
4080         break;
4081     case OB_DIRECTION_SOUTH:
4082         head = RECT_BOTTOM(self->frame->area);
4083         size = self->frame->area.height;
4084         e_start = RECT_LEFT(self->frame->area);
4085         e_size = self->frame->area.width;
4086         break;
4087     default:
4088         g_assert_not_reached();
4089     }
4090
4091     client_find_edge_directional(self, dir, head, size,
4092                                  e_start, e_size, &e, &near);
4093     *x = self->frame->area.x;
4094     *y = self->frame->area.y;
4095     switch (dir) {
4096     case OB_DIRECTION_EAST:
4097         if (near) e -= self->frame->area.width;
4098         else      e++;
4099         *x = e;
4100         break;
4101     case OB_DIRECTION_WEST:
4102         if (near) e++;
4103         else      e -= self->frame->area.width;
4104         *x = e;
4105         break;
4106     case OB_DIRECTION_NORTH:
4107         if (near) e++;
4108         else      e -= self->frame->area.height;
4109         *y = e;
4110         break;
4111     case OB_DIRECTION_SOUTH:
4112         if (near) e -= self->frame->area.height;
4113         else      e++;
4114         *y = e;
4115         break;
4116     default:
4117         g_assert_not_reached();
4118     }
4119     frame_frame_gravity(self->frame, x, y);
4120 }
4121
4122 void client_find_resize_directional(ObClient *self, ObDirection side,
4123                                     gboolean grow,
4124                                     gint *x, gint *y, gint *w, gint *h)
4125 {
4126     gint head;
4127     gint e, e_start, e_size, delta;
4128     gboolean near;
4129     ObDirection dir;
4130
4131     switch (side) {
4132     case OB_DIRECTION_EAST:
4133         head = RECT_RIGHT(self->frame->area) +
4134             (self->size_inc.width - 1) * (grow ? 1 : -1);
4135         e_start = RECT_TOP(self->frame->area);
4136         e_size = self->frame->area.height;
4137         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4138         break;
4139     case OB_DIRECTION_WEST:
4140         head = RECT_LEFT(self->frame->area) -
4141             (self->size_inc.width - 1) * (grow ? 1 : -1);
4142         e_start = RECT_TOP(self->frame->area);
4143         e_size = self->frame->area.height;
4144         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4145         break;
4146     case OB_DIRECTION_NORTH:
4147         head = RECT_TOP(self->frame->area) -
4148             (self->size_inc.height - 1) * (grow ? 1 : -1);
4149         e_start = RECT_LEFT(self->frame->area);
4150         e_size = self->frame->area.width;
4151         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4152         break;
4153     case OB_DIRECTION_SOUTH:
4154         head = RECT_BOTTOM(self->frame->area) +
4155             (self->size_inc.height - 1) * (grow ? 1 : -1);
4156         e_start = RECT_LEFT(self->frame->area);
4157         e_size = self->frame->area.width;
4158         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4159         break;
4160     default:
4161         g_assert_not_reached();
4162     }
4163
4164     ob_debug("head %d dir %d\n", head, dir);
4165     client_find_edge_directional(self, dir, head, 1,
4166                                  e_start, e_size, &e, &near);
4167     ob_debug("edge %d\n", e);
4168     *x = self->frame->area.x;
4169     *y = self->frame->area.y;
4170     *w = self->frame->area.width;
4171     *h = self->frame->area.height;
4172     switch (side) {
4173     case OB_DIRECTION_EAST:
4174         if (grow == near) --e;
4175         delta = e - RECT_RIGHT(self->frame->area);
4176         *w += delta;
4177         break;
4178     case OB_DIRECTION_WEST:
4179         if (grow == near) ++e;
4180         delta = RECT_LEFT(self->frame->area) - e;
4181         *x -= delta;
4182         *w += delta;
4183         break;
4184     case OB_DIRECTION_NORTH:
4185         if (grow == near) ++e;
4186         delta = RECT_TOP(self->frame->area) - e;
4187         *y -= delta;
4188         *h += delta;
4189         break;
4190     case OB_DIRECTION_SOUTH:
4191         if (grow == near) --e;
4192         delta = e - RECT_BOTTOM(self->frame->area);
4193         *h += delta;
4194         break;
4195     default:
4196         g_assert_not_reached();
4197     }
4198     frame_frame_gravity(self->frame, x, y);
4199     *w -= self->frame->size.left + self->frame->size.right;
4200     *h -= self->frame->size.top + self->frame->size.bottom;
4201 }
4202
4203 ObClient* client_under_pointer(void)
4204 {
4205     gint x, y;
4206     GList *it;
4207     ObClient *ret = NULL;
4208
4209     if (screen_pointer_pos(&x, &y)) {
4210         for (it = stacking_list; it; it = g_list_next(it)) {
4211             if (WINDOW_IS_CLIENT(it->data)) {
4212                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4213                 if (c->frame->visible &&
4214                     /* check the desktop, this is done during desktop
4215                        switching and windows are shown/hidden status is not
4216                        reliable */
4217                     (c->desktop == screen_desktop ||
4218                      c->desktop == DESKTOP_ALL) &&
4219                     /* ignore all animating windows */
4220                     !frame_iconify_animating(c->frame) &&
4221                     RECT_CONTAINS(c->frame->area, x, y))
4222                 {
4223                     ret = c;
4224                     break;
4225                 }
4226             }
4227         }
4228     }
4229     return ret;
4230 }
4231
4232 gboolean client_has_group_siblings(ObClient *self)
4233 {
4234     return self->group && self->group->members->next;
4235 }