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 "place.h"
  28 #include "prop.h"
  29 #include "extensions.h"
  30 #include "frame.h"
  31 #include "session.h"
  32 #include "event.h"
  33 #include "grab.h"
  34 #include "focus.h"
  35 #include "propwin.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
  45 #ifdef HAVE_UNISTD_H
  46 #  include <unistd.h>
  47 #endif
  48
  49 #include <glib.h>
  50 #include <X11/Xutil.h>
  51
  52 /*! The event mask to grab on client windows */
  53 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  54                           ColormapChangeMask)
  55
  56 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  57                                 ButtonMotionMask)
  58
  59 typedef struct
  60 {
  61     ObClientCallback func;
  62     gpointer data;
  63 } ClientCallback;
  64
  65 GList            *client_list          = NULL;
  66
  67 static GSList *client_destroy_notifies = NULL;
  68
  69 static void client_get_all(ObClient *self, gboolean real);
  70 static void client_get_startup_id(ObClient *self);
  71 static void client_get_session_ids(ObClient *self);
  72 static void client_get_area(ObClient *self);
  73 static void client_get_desktop(ObClient *self);
  74 static void client_get_state(ObClient *self);
  75 static void client_get_shaped(ObClient *self);
  76 static void client_get_mwm_hints(ObClient *self);
  77 static void client_get_colormap(ObClient *self);
  78 static void client_change_allowed_actions(ObClient *self);
  79 static void client_change_state(ObClient *self);
  80 static void client_change_wm_state(ObClient *self);
  81 static void client_apply_startup_state(ObClient *self);
  82 static void client_restore_session_state(ObClient *self);
  83 static gboolean client_restore_session_stacking(ObClient *self);
  84 static ObAppSettings *client_get_settings_state(ObClient *self);
  85 static void client_update_transient_tree(ObClient *self,
  86                                          ObGroup *oldgroup, ObGroup *newgroup,
  87                                          ObClient* oldparent,
  88                                          ObClient *newparent);
  89 static void client_present(ObClient *self, gboolean here, gboolean raise);
  90 static GSList *client_search_all_top_parents_internal(ObClient *self,
  91                                                       gboolean bylayer,
  92                                                       ObStackingLayer layer);
  93 static void client_call_notifies(ObClient *self, GSList *list);
  94
  95 void client_startup(gboolean reconfig)
  96 {
  97     if (reconfig) return;
  98
  99     client_set_list();
 100 }
 101
 102 void client_shutdown(gboolean reconfig)
 103 {
 104     if (reconfig) return;
 105 }
 106
 107 static void client_call_notifies(ObClient *self, GSList *list)
 108 {
 109     GSList *it;
 110
 111     for (it = list; it; it = g_slist_next(it)) {
 112         ClientCallback *d = it->data;
 113         d->func(self, d->data);
 114     }
 115 }
 116
 117 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 118 {
 119     ClientCallback *d = g_new(ClientCallback, 1);
 120     d->func = func;
 121     d->data = data;
 122     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 123 }
 124
 125 void client_remove_destroy_notify(ObClientCallback func)
 126 {
 127     GSList *it;
 128
 129     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 130         ClientCallback *d = it->data;
 131         if (d->func == func) {
 132             g_free(d);
 133             client_destroy_notifies =
 134                 g_slist_delete_link(client_destroy_notifies, it);
 135             break;
 136         }
 137     }
 138 }
 139
 140 void client_set_list()
 141 {
 142     Window *windows, *win_it;
 143     GList *it;
 144     guint size = g_list_length(client_list);
 145
 146     /* create an array of the window ids */
 147     if (size > 0) {
 148         windows = g_new(Window, size);
 149         win_it = windows;
 150         for (it = client_list; it; it = g_list_next(it), ++win_it)
 151             *win_it = ((ObClient*)it->data)->window;
 152     } else
 153         windows = NULL;
 154
 155     PROP_SETA32(RootWindow(ob_display, ob_screen),
 156                 net_client_list, window, (gulong*)windows, size);
 157
 158     if (windows)
 159         g_free(windows);
 160
 161     stacking_set_list();
 162 }
 163
 164 /*
 165   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 166   {
 167   GSList *it;
 168
 169   for (it = self->transients; it; it = g_slist_next(it)) {
 170   if (!func(it->data, data)) return;
 171   client_foreach_transient(it->data, func, data);
 172   }
 173   }
 174
 175   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 176   {
 177   if (self->transient_for) {
 178   if (self->transient_for != OB_TRAN_GROUP) {
 179   if (!func(self->transient_for, data)) return;
 180   client_foreach_ancestor(self->transient_for, func, data);
 181   } else {
 182   GSList *it;
 183
 184   for (it = self->group->members; it; it = g_slist_next(it))
 185   if (it->data != self &&
 186   !((ObClient*)it->data)->transient_for) {
 187   if (!func(it->data, data)) return;
 188   client_foreach_ancestor(it->data, func, data);
 189   }
 190   }
 191   }
 192   }
 193 */
 194
 195 void client_manage_all()
 196 {
 197     guint i, j, nchild;
 198     Window w, *children;
 199     XWMHints *wmhints;
 200     XWindowAttributes attrib;
 201
 202     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 203                &w, &w, &children, &nchild);
 204
 205     /* remove all icon windows from the list */
 206     for (i = 0; i < nchild; i++) {
 207         if (children[i] == None) continue;
 208         wmhints = XGetWMHints(ob_display, children[i]);
 209         if (wmhints) {
 210             if ((wmhints->flags & IconWindowHint) &&
 211                 (wmhints->icon_window != children[i]))
 212                 for (j = 0; j < nchild; j++)
 213                     if (children[j] == wmhints->icon_window) {
 214                         children[j] = None;
 215                         break;
 216                     }
 217             XFree(wmhints);
 218         }
 219     }
 220
 221     for (i = 0; i < nchild; ++i) {
 222         if (children[i] == None)
 223             continue;
 224         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 225             if (attrib.override_redirect) continue;
 226
 227             if (attrib.map_state != IsUnmapped)
 228                 client_manage(children[i]);
 229         }
 230     }
 231     XFree(children);
 232 }
 233
 234 void client_manage(Window window)
 235 {
 236     ObClient *self;
 237     XEvent e;
 238     XWindowAttributes attrib;
 239     XSetWindowAttributes attrib_set;
 240     XWMHints *wmhint;
 241     gboolean activate = FALSE;
 242     ObAppSettings *settings;
 243     gint placex, placey;
 244
 245     grab_server(TRUE);
 246
 247     /* check if it has already been unmapped by the time we started
 248        mapping. the grab does a sync so we don't have to here */
 249     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 250         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 251     {
 252         XPutBackEvent(ob_display, &e);
 253
 254         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 255         grab_server(FALSE);
 256         return; /* don't manage it */
 257     }
 258
 259     /* make sure it isn't an override-redirect window */
 260     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 261         attrib.override_redirect)
 262     {
 263         grab_server(FALSE);
 264         return; /* don't manage it */
 265     }
 266
 267     /* is the window a docking app */
 268     if ((wmhint = XGetWMHints(ob_display, window))) {
 269         if ((wmhint->flags & StateHint) &&
 270             wmhint->initial_state == WithdrawnState)
 271         {
 272             dock_add(window, wmhint);
 273             grab_server(FALSE);
 274             XFree(wmhint);
 275             return;
 276         }
 277         XFree(wmhint);
 278     }
 279
 280     ob_debug("Managing window: %lx\n", window);
 281
 282     /* choose the events we want to receive on the CLIENT window */
 283     attrib_set.event_mask = CLIENT_EVENTMASK;
 284     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 285     XChangeWindowAttributes(ob_display, window,
 286                             CWEventMask|CWDontPropagate, &attrib_set);
 287
 288     /* create the ObClient struct, and populate it from the hints on the
 289        window */
 290     self = g_new0(ObClient, 1);
 291     self->obwin.type = Window_Client;
 292     self->window = window;
 293
 294     /* non-zero defaults */
 295     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 296     self->gravity = NorthWestGravity;
 297     self->desktop = screen_num_desktops; /* always an invalid value */
 298     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 299
 300     /* get all the stuff off the window */
 301     client_get_all(self, TRUE);
 302
 303     /* specify that if we exit, the window should not be destroyed and
 304        should be reparented back to root automatically */
 305     XChangeSaveSet(ob_display, window, SetModeInsert);
 306
 307     /* create the decoration frame for the client window */
 308     self->frame = frame_new(self);
 309
 310     frame_grab_client(self->frame);
 311
 312     /* we've grabbed everything and set everything that we need to at mapping
 313        time now */
 314     grab_server(FALSE);
 315
 316     /* per-app settings override stuff from client_get_all, and return the
 317        settings for other uses too. the returned settings is a shallow copy,
 318        that needs to be freed with g_free(). */
 319     settings = client_get_settings_state(self);
 320     /* the session should get the last say thought */
 321     client_restore_session_state(self);
 322
 323     /* now we have all of the window's information so we can set this up */
 324     client_setup_decor_and_functions(self);
 325
 326     {
 327         Time t = sn_app_started(self->startup_id, self->class);
 328         if (t) self->user_time = t;
 329     }
 330
 331     /* do this after we have a frame.. it uses the frame to help determine the
 332        WM_STATE to apply. */
 333     client_change_state(self);
 334
 335     /* add ourselves to the focus order */
 336     focus_order_add_new(self);
 337
 338     /* do this to add ourselves to the stacking list in a non-intrusive way */
 339     client_calc_layer(self);
 340
 341     /* focus the new window? */
 342     if (ob_state() != OB_STATE_STARTING &&
 343         (!self->session || self->session->focused) &&
 344         !self->iconic &&
 345         /* this means focus=true for window is same as config_focus_new=true */
 346         ((config_focus_new || (settings && settings->focus == 1)) ||
 347          client_search_focus_tree_full(self)) &&
 348         /* this checks for focus=false for the window */
 349         (!settings || settings->focus != 0) &&
 350         /* note the check against Type_Normal/Dialog, not client_normal(self),
 351            which would also include other types. in this case we want more
 352            strict rules for focus */
 353         (self->type == OB_CLIENT_TYPE_NORMAL ||
 354          self->type == OB_CLIENT_TYPE_DIALOG))
 355     {
 356         activate = TRUE;
 357     }
 358
 359     /* adjust the frame to the client's size before showing or placing
 360        the window */
 361     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 362     frame_adjust_client_area(self->frame);
 363
 364     /* where the frame was placed is where the window was originally */
 365     placex = self->area.x;
 366     placey = self->area.y;
 367
 368     /* figure out placement for the window if the window is new */
 369     if (ob_state() == OB_STATE_RUNNING) {
 370         gboolean transient;
 371
 372         ob_debug("Positioned: %s @ %d %d\n",
 373                  (!self->positioned ? "no" :
 374                   (self->positioned == PPosition ? "program specified" :
 375                    (self->positioned == USPosition ? "user specified" :
 376                     (self->positioned == (PPosition | USPosition) ?
 377                      "program + user specified" :
 378                      "BADNESS !?")))), self->area.x, self->area.y);
 379
 380         ob_debug("Sized: %s @ %d %d\n",
 381                  (!self->sized ? "no" :
 382                   (self->sized == PSize ? "program specified" :
 383                    (self->sized == USSize ? "user specified" :
 384                     (self->sized == (PSize | USSize) ?
 385                      "program + user specified" :
 386                      "BADNESS !?")))), self->area.width, self->area.height);
 387
 388         transient = place_client(self, &placex, &placey, settings);
 389
 390         /* if the window isn't user-positioned, then make it fit inside
 391            the visible screen area on its monitor.
 392
 393            the monitor is chosen by place_client! */
 394         if (!(self->sized & USSize)) {
 395             /* make a copy to modify */
 396             Rect a = *screen_area_monitor(self->desktop, client_monitor(self));
 397
 398             /* shrink by the frame's area */
 399             a.width -= self->frame->size.left + self->frame->size.right;
 400             a.height -= self->frame->size.top + self->frame->size.bottom;
 401
 402             /* fit the window inside the area */
 403             if (self->area.width > a.width || self->area.height > a.height) {
 404                 self->area.width = MIN(self->area.width, a.width);
 405                 self->area.height = MIN(self->area.height, a.height);
 406
 407                 ob_debug("setting window size to %dx%d\n",
 408                          self->area.width, self->area.height);
 409
 410                 /* adjust the frame to the client's new size */
 411                 frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 412                 frame_adjust_client_area(self->frame);
 413             }
 414         }
 415
 416         /* make sure the window is visible. */
 417         client_find_onscreen(self, &placex, &placey,
 418                              self->area.width, self->area.height,
 419                              /* non-normal clients has less rules, and
 420                                 windows that are being restored from a
 421                                 session do also. we can assume you want
 422                                 it back where you saved it. Clients saying
 423                                 they placed themselves are subjected to
 424                                 harder rules, ones that are placed by
 425                                 place.c or by the user are allowed partially
 426                                 off-screen and on xinerama divides (ie,
 427                                 it is up to the placement routines to avoid
 428                                 the xinerama divides) */
 429                              transient ||
 430                              (((self->positioned & PPosition) &&
 431                                !(self->positioned & USPosition)) &&
 432                               client_normal(self) &&
 433                               !self->session));
 434     }
 435
 436     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 437              self->window, placex, placey,
 438              self->area.width, self->area.height);
 439     if (self->session)
 440         ob_debug("  but session requested %d %d instead, overriding\n",
 441                  self->session->x, self->session->y);
 442
 443     /* do this after the window is placed, so the premax/prefullscreen numbers
 444        won't be all wacko!!
 445        also, this moves the window to the position where it has been placed
 446     */
 447     client_apply_startup_state(self);
 448
 449     /* move the client to its placed position, or it it's already there,
 450        generate a ConfigureNotify telling the client where it is.
 451
 452        do this after adjusting the frame. otherwise it gets all weird and
 453        clients don't work right
 454
 455        also do this after applying the startup state so maximize and fullscreen
 456        will get the right sizes and positions if the client is starting with
 457        those states
 458     */
 459     client_configure(self, placex, placey,
 460                      self->area.width, self->area.height,
 461                      self->border_width,
 462                      FALSE, TRUE);
 463
 464
 465     if (activate) {
 466         guint32 last_time = focus_client ?
 467             focus_client->user_time : CurrentTime;
 468
 469         /* This is focus stealing prevention */
 470         ob_debug_type(OB_DEBUG_FOCUS,
 471                       "Want to focus new window 0x%x with time %u "
 472                       "(last time %u)\n",
 473                       self->window, self->user_time, last_time);
 474
 475         /* if it's on another desktop */
 476         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 477             && /* the timestamp is from before you changed desktops */
 478             self->user_time && screen_desktop_user_time &&
 479             !event_time_after(self->user_time, screen_desktop_user_time))
 480         {
 481             activate = FALSE;
 482             ob_debug_type(OB_DEBUG_FOCUS,
 483                           "Not focusing the window because its on another "
 484                           "desktop\n");
 485         }
 486         /* If something is focused, and it's not our relative... */
 487         else if (focus_client && client_search_focus_tree_full(self) == NULL)
 488         {
 489             /* If time stamp is old, don't steal focus */
 490             if (self->user_time && last_time &&
 491                 !event_time_after(self->user_time, last_time))
 492             {
 493                 activate = FALSE;
 494                 ob_debug_type(OB_DEBUG_FOCUS,
 495                               "Not focusing the window because the time is "
 496                               "too old\n");
 497             }
 498             /* If its a transient (and parents aren't focused) and the time
 499                is ambiguous (either the current focus target doesn't have
 500                a timestamp, or they are the same (we probably inherited it
 501                from them) */
 502             else if (self->transient_for != NULL &&
 503                      (!last_time || self->user_time == last_time))
 504             {
 505                 activate = FALSE;
 506                 ob_debug_type(OB_DEBUG_FOCUS,
 507                               "Not focusing the window because it is a "
 508                               "transient, and the time is very ambiguous\n");
 509             }
 510             /* Don't steal focus from globally active clients.
 511                I stole this idea from KWin. It seems nice.
 512              */
 513             else if (!(focus_client->can_focus ||
 514                        focus_client->focus_notify))
 515             {
 516                 activate = FALSE;
 517                 ob_debug_type(OB_DEBUG_FOCUS,
 518                               "Not focusing the window because a globally "
 519                               "active client has focus\n");
 520             }
 521             /* Don't move focus if it's not going to go to this window
 522                anyway */
 523             else if (client_focus_target(self) != self) {
 524                 activate = FALSE;
 525                 ob_debug_type(OB_DEBUG_FOCUS,
 526                               "Not focusing the window because another window "
 527                               "would get the focus anyway\n");
 528             }
 529         }
 530
 531         if (!activate) {
 532             ob_debug_type(OB_DEBUG_FOCUS,
 533                           "Focus stealing prevention activated for %s with "
 534                           "time %u (last time %u)\n",
 535                           self->title, self->user_time, last_time);
 536             /* if the client isn't focused, then hilite it so the user
 537                knows it is there */
 538             client_hilite(self, TRUE);
 539         }
 540     }
 541     else {
 542         /* This may look rather odd. Well it's because new windows are added
 543            to the stacking order non-intrusively. If we're not going to focus
 544            the new window or hilite it, then we raise it to the top. This will
 545            take affect for things that don't get focused like splash screens.
 546            Also if you don't have focus_new enabled, then it's going to get
 547            raised to the top. Legacy begets legacy I guess?
 548         */
 549         if (!client_restore_session_stacking(self))
 550             stacking_raise(CLIENT_AS_WINDOW(self));
 551     }
 552
 553     mouse_grab_for_client(self, TRUE);
 554
 555     /* this has to happen before we try focus the window, but we want it to
 556        happen after the client's stacking has been determined or it looks bad
 557     */
 558     client_show(self);
 559
 560     if (activate) {
 561         gboolean stacked = client_restore_session_stacking(self);
 562         client_present(self, FALSE, !stacked);
 563     }
 564
 565     /* add to client list/map */
 566     client_list = g_list_append(client_list, self);
 567     g_hash_table_insert(window_map, &self->window, self);
 568
 569     /* this has to happen after we're in the client_list */
 570     if (STRUT_EXISTS(self->strut))
 571         screen_update_areas();
 572
 573     /* update the list hints */
 574     client_set_list();
 575
 576     /* free the ObAppSettings shallow copy */
 577     g_free(settings);
 578
 579     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 580              window, self->frame->plate, self->class);
 581
 582     return;
 583 }
 584
 585
 586 ObClient *client_fake_manage(Window window)
 587 {
 588     ObClient *self;
 589     ObAppSettings *settings;
 590
 591     ob_debug("Pretend-managing window: %lx\n", window);
 592
 593     /* do this minimal stuff to figure out the client's decorations */
 594
 595     self = g_new0(ObClient, 1);
 596     self->window = window;
 597
 598     client_get_all(self, FALSE);
 599     /* per-app settings override stuff, and return the settings for other
 600        uses too. this returns a shallow copy that needs to be freed */
 601     settings = client_get_settings_state(self);
 602
 603     client_setup_decor_and_functions(self);
 604
 605     /* create the decoration frame for the client window and adjust its size */
 606     self->frame = frame_new(self);
 607     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 608
 609     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 610              self->frame->size.left, self->frame->size.right,
 611              self->frame->size.top, self->frame->size.bottom);
 612
 613     /* free the ObAppSettings shallow copy */
 614     g_free(settings);
 615
 616     return self;
 617 }
 618
 619 void client_unmanage_all()
 620 {
 621     while (client_list != NULL)
 622         client_unmanage(client_list->data);
 623 }
 624
 625 void client_unmanage(ObClient *self)
 626 {
 627     guint j;
 628     GSList *it;
 629
 630     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 631              self->window, self->frame->plate,
 632              self->class, self->title ? self->title : "");
 633
 634     g_assert(self != NULL);
 635
 636     /* we dont want events no more. do this before hiding the frame so we
 637        don't generate more events */
 638     XSelectInput(ob_display, self->window, NoEventMask);
 639
 640     frame_hide(self->frame);
 641     /* flush to send the hide to the server quickly */
 642     XFlush(ob_display);
 643
 644     /* ignore enter events from the unmap so it doesnt mess with the
 645        focus */
 646     event_ignore_all_queued_enters();
 647
 648     mouse_grab_for_client(self, FALSE);
 649
 650     /* remove the window from our save set */
 651     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 652
 653     /* kill the property windows */
 654     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 655
 656     /* update the focus lists */
 657     focus_order_remove(self);
 658     if (client_focused(self)) {
 659         /* don't leave an invalid focus_client */
 660         focus_client = NULL;
 661     }
 662
 663     client_list = g_list_remove(client_list, self);
 664     stacking_remove(self);
 665     g_hash_table_remove(window_map, &self->window);
 666
 667     /* once the client is out of the list, update the struts to remove its
 668        influence */
 669     if (STRUT_EXISTS(self->strut))
 670         screen_update_areas();
 671
 672     client_call_notifies(self, client_destroy_notifies);
 673
 674     /* tell our parent(s) that we're gone */
 675     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 676         for (it = self->group->members; it; it = g_slist_next(it))
 677             if (it->data != self)
 678                 ((ObClient*)it->data)->transients =
 679                     g_slist_remove(((ObClient*)it->data)->transients,self);
 680     } else if (self->transient_for) {        /* transient of window */
 681         self->transient_for->transients =
 682             g_slist_remove(self->transient_for->transients, self);
 683     }
 684
 685     /* tell our transients that we're gone */
 686     for (it = self->transients; it; it = g_slist_next(it)) {
 687         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 688             ((ObClient*)it->data)->transient_for = NULL;
 689             client_calc_layer(it->data);
 690         }
 691     }
 692
 693     /* remove from its group */
 694     if (self->group) {
 695         group_remove(self->group, self);
 696         self->group = NULL;
 697     }
 698
 699     /* restore the window's original geometry so it is not lost */
 700     {
 701         Rect a;
 702
 703         a = self->area;
 704
 705         if (self->fullscreen)
 706             a = self->pre_fullscreen_area;
 707         else if (self->max_horz || self->max_vert) {
 708             if (self->max_horz) {
 709                 a.x = self->pre_max_area.x;
 710                 a.width = self->pre_max_area.width;
 711             }
 712             if (self->max_vert) {
 713                 a.y = self->pre_max_area.y;
 714                 a.height = self->pre_max_area.height;
 715             }
 716         }
 717
 718         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 719         /* let it be moved and resized no matter what */
 720         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 721         self->decorations = 0; /* unmanaged windows have no decor */
 722
 723         client_move_resize(self, a.x, a.y, a.width, a.height);
 724     }
 725
 726     /* reparent the window out of the frame, and free the frame */
 727     frame_release_client(self->frame);
 728     frame_free(self->frame);
 729     self->frame = NULL;
 730
 731     if (ob_state() != OB_STATE_EXITING) {
 732         /* these values should not be persisted across a window
 733            unmapping/mapping */
 734         PROP_ERASE(self->window, net_wm_desktop);
 735         PROP_ERASE(self->window, net_wm_state);
 736         PROP_ERASE(self->window, wm_state);
 737     } else {
 738         /* if we're left in an unmapped state, the client wont be mapped.
 739            this is bad, since we will no longer be managing the window on
 740            restart */
 741         XMapWindow(ob_display, self->window);
 742     }
 743
 744     /* update the list hints */
 745     client_set_list();
 746
 747     ob_debug("Unmanaged window 0x%lx\n", self->window);
 748
 749     /* free all data allocated in the client struct */
 750     g_slist_free(self->transients);
 751     for (j = 0; j < self->nicons; ++j)
 752         g_free(self->icons[j].data);
 753     if (self->nicons > 0)
 754         g_free(self->icons);
 755     g_free(self->wm_command);
 756     g_free(self->title);
 757     g_free(self->icon_title);
 758     g_free(self->name);
 759     g_free(self->class);
 760     g_free(self->role);
 761     g_free(self->client_machine);
 762     g_free(self->sm_client_id);
 763     g_free(self);
 764 }
 765
 766 void client_fake_unmanage(ObClient *self)
 767 {
 768     /* this is all that got allocated to get the decorations */
 769
 770     frame_free(self->frame);
 771     g_free(self);
 772 }
 773
 774 /*! Returns a new structure containing the per-app settings for this client.
 775   The returned structure needs to be freed with g_free. */
 776 static ObAppSettings *client_get_settings_state(ObClient *self)
 777 {
 778     ObAppSettings *settings;
 779     GSList *it;
 780
 781     settings = config_create_app_settings();
 782
 783     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 784         ObAppSettings *app = it->data;
 785         gboolean match = TRUE;
 786
 787         g_assert(app->name != NULL || app->class != NULL);
 788
 789         /* we know that either name or class is not NULL so it will have to
 790            match to use the rule */
 791         if (app->name &&
 792             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 793             match = FALSE;
 794         else if (app->class &&
 795                 !g_pattern_match(app->class,
 796                                  strlen(self->class), self->class, NULL))
 797             match = FALSE;
 798         else if (app->role &&
 799                  !g_pattern_match(app->role,
 800                                   strlen(self->role), self->role, NULL))
 801             match = FALSE;
 802
 803         if (match) {
 804             ob_debug("Window matching: %s\n", app->name);
 805
 806             /* copy the settings to our struct, overriding the existing
 807                settings if they are not defaults */
 808             config_app_settings_copy_non_defaults(app, settings);
 809         }
 810     }
 811
 812     if (settings->shade != -1)
 813         self->shaded = !!settings->shade;
 814     if (settings->decor != -1)
 815         self->undecorated = !settings->decor;
 816     if (settings->iconic != -1)
 817         self->iconic = !!settings->iconic;
 818     if (settings->skip_pager != -1)
 819         self->skip_pager = !!settings->skip_pager;
 820     if (settings->skip_taskbar != -1)
 821         self->skip_taskbar = !!settings->skip_taskbar;
 822
 823     if (settings->max_vert != -1)
 824         self->max_vert = !!settings->max_vert;
 825     if (settings->max_horz != -1)
 826         self->max_horz = !!settings->max_horz;
 827
 828     if (settings->fullscreen != -1)
 829         self->fullscreen = !!settings->fullscreen;
 830
 831     if (settings->desktop) {
 832         if (settings->desktop == DESKTOP_ALL)
 833             self->desktop = settings->desktop;
 834         else if (settings->desktop > 0 &&
 835                  settings->desktop <= screen_num_desktops)
 836             self->desktop = settings->desktop - 1;
 837     }
 838
 839     if (settings->layer == -1) {
 840         self->below = TRUE;
 841         self->above = FALSE;
 842     }
 843     else if (settings->layer == 0) {
 844         self->below = FALSE;
 845         self->above = FALSE;
 846     }
 847     else if (settings->layer == 1) {
 848         self->below = FALSE;
 849         self->above = TRUE;
 850     }
 851     return settings;
 852 }
 853
 854 static void client_restore_session_state(ObClient *self)
 855 {
 856     GList *it;
 857
 858     ob_debug_type(OB_DEBUG_SM,
 859                   "Restore session for client %s\n", self->title);
 860
 861     if (!(it = session_state_find(self))) {
 862         ob_debug_type(OB_DEBUG_SM,
 863                       "Session data not found for client %s\n", self->title);
 864         return;
 865     }
 866
 867     self->session = it->data;
 868
 869     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 870                   self->title);
 871
 872     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 873     self->positioned = USPosition;
 874     self->sized = USSize;
 875     if (self->session->w > 0)
 876         self->area.width = self->session->w;
 877     if (self->session->h > 0)
 878         self->area.height = self->session->h;
 879     XResizeWindow(ob_display, self->window,
 880                   self->area.width, self->area.height);
 881
 882     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 883                      self->session->desktop :
 884                      MIN(screen_num_desktops - 1, self->session->desktop));
 885     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 886
 887     self->shaded = self->session->shaded;
 888     self->iconic = self->session->iconic;
 889     self->skip_pager = self->session->skip_pager;
 890     self->skip_taskbar = self->session->skip_taskbar;
 891     self->fullscreen = self->session->fullscreen;
 892     self->above = self->session->above;
 893     self->below = self->session->below;
 894     self->max_horz = self->session->max_horz;
 895     self->max_vert = self->session->max_vert;
 896     self->undecorated = self->session->undecorated;
 897 }
 898
 899 static gboolean client_restore_session_stacking(ObClient *self)
 900 {
 901     GList *it, *mypos;
 902
 903     if (!self->session) return FALSE;
 904
 905     mypos = g_list_find(session_saved_state, self->session);
 906     if (!mypos) return FALSE;
 907
 908     /* start above me and look for the first client */
 909     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 910         GList *cit;
 911
 912         for (cit = client_list; cit; cit = g_list_next(cit)) {
 913             ObClient *c = cit->data;
 914             /* found a client that was in the session, so go below it */
 915             if (c->session == it->data) {
 916                 stacking_below(CLIENT_AS_WINDOW(self),
 917                                CLIENT_AS_WINDOW(cit->data));
 918                 return TRUE;
 919             }
 920         }
 921     }
 922     return FALSE;
 923 }
 924
 925 void client_move_onscreen(ObClient *self, gboolean rude)
 926 {
 927     gint x = self->area.x;
 928     gint y = self->area.y;
 929     if (client_find_onscreen(self, &x, &y,
 930                              self->area.width,
 931                              self->area.height, rude)) {
 932         client_move(self, x, y);
 933     }
 934 }
 935
 936 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 937                               gboolean rude)
 938 {
 939     Rect *mon_a, *all_a;
 940     gint ox = *x, oy = *y;
 941     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 942     gint fw, fh;
 943     Rect desired;
 944
 945     RECT_SET(desired, *x, *y, w, h);
 946     all_a = screen_area(self->desktop);
 947     mon_a = screen_area_monitor(self->desktop, screen_find_monitor(&desired));
 948
 949     /* get where the frame would be */
 950     frame_client_gravity(self->frame, x, y, w, h);
 951
 952     /* get the requested size of the window with decorations */
 953     fw = self->frame->size.left + w + self->frame->size.right;
 954     fh = self->frame->size.top + h + self->frame->size.bottom;
 955
 956     /* This makes sure windows aren't entirely outside of the screen so you
 957        can't see them at all.
 958        It makes sure 10% of the window is on the screen at least. At don't let
 959        it move itself off the top of the screen, which would hide the titlebar
 960        on you. (The user can still do this if they want too, it's only limiting
 961        the application.
 962
 963        XXX watch for xinerama dead areas...
 964     */
 965     if (client_normal(self)) {
 966         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 967             *x = all_a->x + all_a->width - fw/10;
 968         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 969             *y = all_a->y + all_a->height - fh/10;
 970         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 971             *x = all_a->x - fw*9/10;
 972         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 973             *y = all_a->y - fw*9/10;
 974     }
 975
 976     /* If rudeness wasn't requested, then figure out of the client is currently
 977        entirely on the screen. If it is, and the position isn't changing by
 978        request, and it is enlarging, then be rude even though it wasn't
 979        requested */
 980     if (!rude) {
 981         Point oldtl, oldtr, oldbl, oldbr;
 982         Point newtl, newtr, newbl, newbr;
 983         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 984
 985         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 986         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 987                   self->frame->area.y + self->frame->area.height - 1);
 988         POINT_SET(oldtr, oldbr.x, oldtl.y);
 989         POINT_SET(oldbl, oldtl.x, oldbr.y);
 990
 991         POINT_SET(newtl, *x, *y);
 992         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 993         POINT_SET(newtr, newbr.x, newtl.y);
 994         POINT_SET(newbl, newtl.x, newbr.y);
 995
 996         /* is it moving or just resizing from some corner? */
 997         stationary_l = oldtl.x == newtl.x;
 998         stationary_r = oldtr.x == newtr.x;
 999         stationary_t = oldtl.y == newtl.y;
1000         stationary_b = oldbl.y == newbl.y;
1001
1002         /* if left edge is growing and didnt move right edge */
1003         if (stationary_r && newtl.x < oldtl.x)
1004             rudel = TRUE;
1005         /* if right edge is growing and didnt move left edge */
1006         if (stationary_l && newtr.x > oldtr.x)
1007             ruder = TRUE;
1008         /* if top edge is growing and didnt move bottom edge */
1009         if (stationary_b && newtl.y < oldtl.y)
1010             rudet = TRUE;
1011         /* if bottom edge is growing and didnt move top edge */
1012         if (stationary_t && newbl.y > oldbl.y)
1013             rudeb = TRUE;
1014     }
1015
1016     /* This here doesn't let windows even a pixel outside the struts/screen.
1017      * When called from client_manage, programs placing themselves are
1018      * forced completely onscreen, while things like
1019      * xterm -geometry resolution-width/2 will work fine. Trying to
1020      * place it completely offscreen will be handled in the above code.
1021      * Sorry for this confused comment, i am tired. */
1022     if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
1023     if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
1024         *x = mon_a->x + MAX(0, mon_a->width - fw);
1025
1026     if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
1027     if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
1028         *y = mon_a->y + MAX(0, mon_a->height - fh);
1029
1030     /* get where the client should be */
1031     frame_frame_gravity(self->frame, x, y, w, h);
1032
1033     return ox != *x || oy != *y;
1034 }
1035
1036 static void client_get_all(ObClient *self, gboolean real)
1037 {
1038     /* this is needed for the frame to set itself up */
1039     client_get_area(self);
1040
1041     /* these things can change the decor and functions of the window */
1042
1043     client_get_mwm_hints(self);
1044     /* this can change the mwmhints for special cases */
1045     client_get_type_and_transientness(self);
1046     client_get_state(self);
1047     client_update_normal_hints(self);
1048
1049     /* get the session related properties, these can change decorations
1050        from per-app settings */
1051     client_get_session_ids(self);
1052
1053     /* now we got everything that can affect the decorations */
1054     if (!real)
1055         return;
1056
1057     /* get this early so we have it for debugging */
1058     client_update_title(self);
1059
1060     client_update_protocols(self);
1061
1062     client_update_wmhints(self);
1063     /* this may have already been called from client_update_wmhints */
1064     if (self->transient_for == NULL)
1065         client_update_transient_for(self);
1066
1067     client_get_startup_id(self);
1068     client_get_desktop(self);/* uses transient data/group/startup id if a
1069                                 desktop is not specified */
1070     client_get_shaped(self);
1071
1072     {
1073         /* a couple type-based defaults for new windows */
1074
1075         /* this makes sure that these windows appear on all desktops */
1076         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1077             self->desktop = DESKTOP_ALL;
1078     }
1079
1080 #ifdef SYNC
1081     client_update_sync_request_counter(self);
1082 #endif
1083
1084     client_get_colormap(self);
1085     client_update_strut(self);
1086     client_update_icons(self);
1087     client_update_user_time_window(self);
1088     if (!self->user_time_window) /* check if this would have been called */
1089         client_update_user_time(self);
1090     client_update_icon_geometry(self);
1091 }
1092
1093 static void client_get_startup_id(ObClient *self)
1094 {
1095     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1096         if (self->group)
1097             PROP_GETS(self->group->leader,
1098                       net_startup_id, utf8, &self->startup_id);
1099 }
1100
1101 static void client_get_area(ObClient *self)
1102 {
1103     XWindowAttributes wattrib;
1104     Status ret;
1105
1106     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1107     g_assert(ret != BadWindow);
1108
1109     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1110     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1111     self->border_width = wattrib.border_width;
1112
1113     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1114              wattrib.width, wattrib.height);
1115 }
1116
1117 static void client_get_desktop(ObClient *self)
1118 {
1119     guint32 d = screen_num_desktops; /* an always-invalid value */
1120
1121     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1122         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1123             self->desktop = screen_num_desktops - 1;
1124         else
1125             self->desktop = d;
1126     } else {
1127         gboolean trdesk = FALSE;
1128
1129         if (self->transient_for) {
1130             if (self->transient_for != OB_TRAN_GROUP) {
1131                 self->desktop = self->transient_for->desktop;
1132                 trdesk = TRUE;
1133             } else {
1134                 /* if all the group is on one desktop, then open it on the
1135                    same desktop */
1136                 GSList *it;
1137                 gboolean first = TRUE;
1138                 guint all = screen_num_desktops; /* not a valid value */
1139
1140                 for (it = self->group->members; it; it = g_slist_next(it)) {
1141                     ObClient *c = it->data;
1142                     if (c != self) {
1143                         if (first) {
1144                             all = c->desktop;
1145                             first = FALSE;
1146                         }
1147                         else if (all != c->desktop)
1148                             all = screen_num_desktops; /* make it invalid */
1149                     }
1150                 }
1151                 if (all != screen_num_desktops) {
1152                     self->desktop = all;
1153                     trdesk = TRUE;
1154                 }
1155             }
1156         }
1157         if (!trdesk) {
1158             /* try get from the startup-notification protocol */
1159             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1160                 if (self->desktop >= screen_num_desktops &&
1161                     self->desktop != DESKTOP_ALL)
1162                     self->desktop = screen_num_desktops - 1;
1163             } else
1164                 /* defaults to the current desktop */
1165                 self->desktop = screen_desktop;
1166         }
1167     }
1168 }
1169
1170 static void client_get_state(ObClient *self)
1171 {
1172     guint32 *state;
1173     guint num;
1174
1175     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1176         gulong i;
1177         for (i = 0; i < num; ++i) {
1178             if (state[i] == prop_atoms.net_wm_state_modal)
1179                 self->modal = TRUE;
1180             else if (state[i] == prop_atoms.net_wm_state_shaded)
1181                 self->shaded = TRUE;
1182             else if (state[i] == prop_atoms.net_wm_state_hidden)
1183                 self->iconic = TRUE;
1184             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1185                 self->skip_taskbar = TRUE;
1186             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1187                 self->skip_pager = TRUE;
1188             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1189                 self->fullscreen = TRUE;
1190             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1191                 self->max_vert = TRUE;
1192             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1193                 self->max_horz = TRUE;
1194             else if (state[i] == prop_atoms.net_wm_state_above)
1195                 self->above = TRUE;
1196             else if (state[i] == prop_atoms.net_wm_state_below)
1197                 self->below = TRUE;
1198             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1199                 self->demands_attention = TRUE;
1200             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1201                 self->undecorated = TRUE;
1202         }
1203
1204         g_free(state);
1205     }
1206 }
1207
1208 static void client_get_shaped(ObClient *self)
1209 {
1210     self->shaped = FALSE;
1211 #ifdef   SHAPE
1212     if (extensions_shape) {
1213         gint foo;
1214         guint ufoo;
1215         gint s;
1216
1217         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1218
1219         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1220                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1221                            &ufoo);
1222         self->shaped = (s != 0);
1223     }
1224 #endif
1225 }
1226
1227 void client_update_transient_for(ObClient *self)
1228 {
1229     Window t = None;
1230     ObClient *target = NULL;
1231
1232     if (XGetTransientForHint(ob_display, self->window, &t)) {
1233         if (t != self->window) { /* cant be transient to itself! */
1234             target = g_hash_table_lookup(window_map, &t);
1235             /* if this happens then we need to check for it*/
1236             g_assert(target != self);
1237             if (target && !WINDOW_IS_CLIENT(target)) {
1238                 /* this can happen when a dialog is a child of
1239                    a dockapp, for example */
1240                 target = NULL;
1241             }
1242
1243             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1244
1245                Setting the transient_for to Root is actually illegal, however
1246                applications from time have done this to specify transient for
1247                their group.
1248
1249                Now you can do that by being a TYPE_DIALOG and not setting
1250                the transient_for hint at all on your window. But people still
1251                use Root, and Kwin is very strange in this regard.
1252
1253                KWin 3.0 will not consider windows with transient_for set to
1254                Root as transient for their group *UNLESS* they are also modal.
1255                In that case, it will make them transient for the group. This
1256                leads to all sorts of weird behavior from KDE apps which are
1257                only tested in KWin. I'd like to follow their behavior just to
1258                make this work right with KDE stuff, but that seems wrong.
1259             */
1260             if (!target && self->group) {
1261                 /* not transient to a client, see if it is transient for a
1262                    group */
1263                 if (t == RootWindow(ob_display, ob_screen)) {
1264                     /* window is a transient for its group! */
1265                     target = OB_TRAN_GROUP;
1266                 }
1267             }
1268         }
1269     } else if (self->transient && self->group)
1270         target = OB_TRAN_GROUP;
1271
1272     client_update_transient_tree(self, self->group, self->group,
1273                                  self->transient_for, target);
1274     self->transient_for = target;
1275
1276 }
1277
1278 static void client_update_transient_tree(ObClient *self,
1279                                          ObGroup *oldgroup, ObGroup *newgroup,
1280                                          ObClient* oldparent,
1281                                          ObClient *newparent)
1282 {
1283     GSList *it, *next;
1284     ObClient *c;
1285
1286     /* * *
1287       Group transient windows are not allowed to have other group
1288       transient windows as their children.
1289       * * */
1290
1291
1292     /* No change has occured */
1293     if (oldgroup == newgroup && oldparent == newparent) return;
1294
1295     /** Remove the client from the transient tree wherever it has changed **/
1296
1297     /* If the window is becoming a direct transient for a window in its group
1298        then any group transients which were our children and are now becoming
1299        our parents need to stop being our children.
1300
1301        Group transients can't be children of group transients already, but
1302        we could have any number of direct parents above up, any of which could
1303        be transient for the group, and we need to remove it from our children.
1304     */
1305     if (oldparent != newparent &&
1306         newparent != NULL && newparent != OB_TRAN_GROUP &&
1307         newgroup != NULL && newgroup == oldgroup)
1308     {
1309         ObClient *look = newparent;
1310         do {
1311             self->transients = g_slist_remove(self->transients, look);
1312             look = look->transient_for;
1313         } while (look != NULL && look != OB_TRAN_GROUP);
1314     }
1315
1316
1317     /* If the group changed, or if we are just becoming transient for the
1318        group, then we need to remove any old group transient windows
1319        from our children. But if we were already transient for the group, then
1320        other group transients are not our children. */
1321     if ((oldgroup != newgroup ||
1322          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1323         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1324     {
1325         for (it = self->transients; it; it = next) {
1326             next = g_slist_next(it);
1327             c = it->data;
1328             if (c->group == oldgroup)
1329                 self->transients = g_slist_delete_link(self->transients, it);
1330         }
1331     }
1332
1333     /* If we used to be transient for a group and now we are not, or we're
1334        transient for a new group, then we need to remove ourselves from all
1335        our ex-parents */
1336     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1337                                        oldparent != newparent))
1338     {
1339         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1340             c = it->data;
1341             if (c != self && (!c->transient_for ||
1342                               c->transient_for != OB_TRAN_GROUP))
1343                 c->transients = g_slist_remove(c->transients, self);
1344         }
1345     }
1346     /* If we used to be transient for a single window and we are no longer
1347        transient for it, then we need to remove ourself from its children */
1348     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1349              oldparent != newparent)
1350         oldparent->transients = g_slist_remove(oldparent->transients, self);
1351
1352
1353     /** Re-add the client to the transient tree wherever it has changed **/
1354
1355     /* If we're now transient for a group and we weren't transient for it
1356        before then we need to add ourselves to all our new parents */
1357     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1358                                        oldparent != newparent))
1359     {
1360         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1361             c = it->data;
1362             if (c != self && (!c->transient_for ||
1363                               c->transient_for != OB_TRAN_GROUP))
1364                 c->transients = g_slist_prepend(c->transients, self);
1365         }
1366     }
1367     /* If we are now transient for a single window which we weren't before,
1368        we need to add ourselves to its children
1369
1370        WARNING: Cyclical transient ness is possible if two windows are
1371        transient for eachother.
1372     */
1373     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1374              newparent != oldparent &&
1375              /* don't make ourself its child if it is already our child */
1376              !client_is_direct_child(self, newparent))
1377         newparent->transients = g_slist_prepend(newparent->transients, self);
1378
1379     /* If the group changed then we need to add any new group transient
1380        windows to our children. But if we're transient for the group, then
1381        other group transients are not our children.
1382
1383        WARNING: Cyclical transient-ness is possible. For e.g. if:
1384        A is transient for the group
1385        B is transient for A
1386        C is transient for B
1387        A can't be transient for C or we have a cycle
1388     */
1389     if (oldgroup != newgroup && newgroup != NULL &&
1390         newparent != OB_TRAN_GROUP)
1391     {
1392         for (it = newgroup->members; it; it = g_slist_next(it)) {
1393             c = it->data;
1394             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1395                 /* Don't make it our child if it is already our parent */
1396                 !client_is_direct_child(c, self))
1397             {
1398                 self->transients = g_slist_prepend(self->transients, c);
1399             }
1400         }
1401     }
1402 }
1403
1404 static void client_get_mwm_hints(ObClient *self)
1405 {
1406     guint num;
1407     guint32 *hints;
1408
1409     self->mwmhints.flags = 0; /* default to none */
1410
1411     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1412                     &hints, &num)) {
1413         if (num >= OB_MWM_ELEMENTS) {
1414             self->mwmhints.flags = hints[0];
1415             self->mwmhints.functions = hints[1];
1416             self->mwmhints.decorations = hints[2];
1417         }
1418         g_free(hints);
1419     }
1420 }
1421
1422 void client_get_type_and_transientness(ObClient *self)
1423 {
1424     guint num, i;
1425     guint32 *val;
1426     Window t;
1427
1428     self->type = -1;
1429     self->transient = FALSE;
1430
1431     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1432         /* use the first value that we know about in the array */
1433         for (i = 0; i < num; ++i) {
1434             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1435                 self->type = OB_CLIENT_TYPE_DESKTOP;
1436             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1437                 self->type = OB_CLIENT_TYPE_DOCK;
1438             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1439                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1440             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1441                 self->type = OB_CLIENT_TYPE_MENU;
1442             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1443                 self->type = OB_CLIENT_TYPE_UTILITY;
1444             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1445                 self->type = OB_CLIENT_TYPE_SPLASH;
1446             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1447                 self->type = OB_CLIENT_TYPE_DIALOG;
1448             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1449                 self->type = OB_CLIENT_TYPE_NORMAL;
1450             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1451                 /* prevent this window from getting any decor or
1452                    functionality */
1453                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1454                                          OB_MWM_FLAG_DECORATIONS);
1455                 self->mwmhints.decorations = 0;
1456                 self->mwmhints.functions = 0;
1457             }
1458             if (self->type != (ObClientType) -1)
1459                 break; /* grab the first legit type */
1460         }
1461         g_free(val);
1462     }
1463
1464     if (XGetTransientForHint(ob_display, self->window, &t))
1465         self->transient = TRUE;
1466
1467     if (self->type == (ObClientType) -1) {
1468         /*the window type hint was not set, which means we either classify
1469           ourself as a normal window or a dialog, depending on if we are a
1470           transient. */
1471         if (self->transient)
1472             self->type = OB_CLIENT_TYPE_DIALOG;
1473         else
1474             self->type = OB_CLIENT_TYPE_NORMAL;
1475     }
1476
1477     /* then, based on our type, we can update our transientness.. */
1478     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1479         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1480         self->type == OB_CLIENT_TYPE_MENU ||
1481         self->type == OB_CLIENT_TYPE_UTILITY)
1482     {
1483         self->transient = TRUE;
1484     }
1485 }
1486
1487 void client_update_protocols(ObClient *self)
1488 {
1489     guint32 *proto;
1490     guint num_return, i;
1491
1492     self->focus_notify = FALSE;
1493     self->delete_window = FALSE;
1494
1495     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1496         for (i = 0; i < num_return; ++i) {
1497             if (proto[i] == prop_atoms.wm_delete_window)
1498                 /* this means we can request the window to close */
1499                 self->delete_window = TRUE;
1500             else if (proto[i] == prop_atoms.wm_take_focus)
1501                 /* if this protocol is requested, then the window will be
1502                    notified whenever we want it to receive focus */
1503                 self->focus_notify = TRUE;
1504 #ifdef SYNC
1505             else if (proto[i] == prop_atoms.net_wm_sync_request)
1506                 /* if this protocol is requested, then resizing the
1507                    window will be synchronized between the frame and the
1508                    client */
1509                 self->sync_request = TRUE;
1510 #endif
1511         }
1512         g_free(proto);
1513     }
1514 }
1515
1516 #ifdef SYNC
1517 void client_update_sync_request_counter(ObClient *self)
1518 {
1519     guint32 i;
1520
1521     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1522         self->sync_counter = i;
1523     } else
1524         self->sync_counter = None;
1525 }
1526 #endif
1527
1528 void client_get_colormap(ObClient *self)
1529 {
1530     XWindowAttributes wa;
1531
1532     if (XGetWindowAttributes(ob_display, self->window, &wa))
1533         client_update_colormap(self, wa.colormap);
1534 }
1535
1536 void client_update_colormap(ObClient *self, Colormap colormap)
1537 {
1538     self->colormap = colormap;
1539 }
1540
1541 void client_update_normal_hints(ObClient *self)
1542 {
1543     XSizeHints size;
1544     glong ret;
1545
1546     /* defaults */
1547     self->min_ratio = 0.0f;
1548     self->max_ratio = 0.0f;
1549     SIZE_SET(self->size_inc, 1, 1);
1550     SIZE_SET(self->base_size, 0, 0);
1551     SIZE_SET(self->min_size, 0, 0);
1552     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1553
1554     /* get the hints from the window */
1555     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1556         /* normal windows can't request placement! har har
1557         if (!client_normal(self))
1558         */
1559         self->positioned = (size.flags & (PPosition|USPosition));
1560         self->sized = (size.flags & (PSize|USSize));
1561
1562         if (size.flags & PWinGravity)
1563             self->gravity = size.win_gravity;
1564
1565         if (size.flags & PAspect) {
1566             if (size.min_aspect.y)
1567                 self->min_ratio =
1568                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1569             if (size.max_aspect.y)
1570                 self->max_ratio =
1571                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1572         }
1573
1574         if (size.flags & PMinSize)
1575             SIZE_SET(self->min_size, size.min_width, size.min_height);
1576
1577         if (size.flags & PMaxSize)
1578             SIZE_SET(self->max_size, size.max_width, size.max_height);
1579
1580         if (size.flags & PBaseSize)
1581             SIZE_SET(self->base_size, size.base_width, size.base_height);
1582
1583         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1584             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1585     }
1586 }
1587
1588 /*! This needs to be followed by a call to client_configure to make
1589   the changes show */
1590 void client_setup_decor_and_functions(ObClient *self)
1591 {
1592     /* start with everything (cept fullscreen) */
1593     self->decorations =
1594         (OB_FRAME_DECOR_TITLEBAR |
1595          OB_FRAME_DECOR_HANDLE |
1596          OB_FRAME_DECOR_GRIPS |
1597          OB_FRAME_DECOR_BORDER |
1598          OB_FRAME_DECOR_ICON |
1599          OB_FRAME_DECOR_ALLDESKTOPS |
1600          OB_FRAME_DECOR_ICONIFY |
1601          OB_FRAME_DECOR_MAXIMIZE |
1602          OB_FRAME_DECOR_SHADE |
1603          OB_FRAME_DECOR_CLOSE);
1604     self->functions =
1605         (OB_CLIENT_FUNC_RESIZE |
1606          OB_CLIENT_FUNC_MOVE |
1607          OB_CLIENT_FUNC_ICONIFY |
1608          OB_CLIENT_FUNC_MAXIMIZE |
1609          OB_CLIENT_FUNC_SHADE |
1610          OB_CLIENT_FUNC_CLOSE |
1611          OB_CLIENT_FUNC_BELOW |
1612          OB_CLIENT_FUNC_ABOVE |
1613          OB_CLIENT_FUNC_UNDECORATE);
1614
1615     if (!(self->min_size.width < self->max_size.width ||
1616           self->min_size.height < self->max_size.height))
1617         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1618
1619     switch (self->type) {
1620     case OB_CLIENT_TYPE_NORMAL:
1621         /* normal windows retain all of the possible decorations and
1622            functionality, and are the only windows that you can fullscreen */
1623         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1624         break;
1625
1626     case OB_CLIENT_TYPE_DIALOG:
1627     case OB_CLIENT_TYPE_UTILITY:
1628         /* these windows don't have anything added or removed by default */
1629         break;
1630
1631     case OB_CLIENT_TYPE_MENU:
1632     case OB_CLIENT_TYPE_TOOLBAR:
1633         /* these windows can't iconify or maximize */
1634         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1635                                OB_FRAME_DECOR_MAXIMIZE);
1636         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1637                              OB_CLIENT_FUNC_MAXIMIZE);
1638         break;
1639
1640     case OB_CLIENT_TYPE_SPLASH:
1641         /* these don't get get any decorations, and the only thing you can
1642            do with them is move them */
1643         self->decorations = 0;
1644         self->functions = OB_CLIENT_FUNC_MOVE;
1645         break;
1646
1647     case OB_CLIENT_TYPE_DESKTOP:
1648         /* these windows are not manipulated by the window manager */
1649         self->decorations = 0;
1650         self->functions = 0;
1651         break;
1652
1653     case OB_CLIENT_TYPE_DOCK:
1654         /* these windows are not manipulated by the window manager, but they
1655            can set below layer which has a special meaning */
1656         self->decorations = 0;
1657         self->functions = OB_CLIENT_FUNC_BELOW;
1658         break;
1659     }
1660
1661     /* Mwm Hints are applied subtractively to what has already been chosen for
1662        decor and functionality */
1663     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1664         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1665             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1666                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1667             {
1668                 /* if the mwm hints request no handle or title, then all
1669                    decorations are disabled, but keep the border if that's
1670                    specified */
1671                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1672                     self->decorations = OB_FRAME_DECOR_BORDER;
1673                 else
1674                     self->decorations = 0;
1675             }
1676         }
1677     }
1678
1679     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1680         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1681             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1682                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1683             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1684                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1685             /* dont let mwm hints kill any buttons
1686                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1687                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1688                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1689                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1690             */
1691             /* dont let mwm hints kill the close button
1692                if (! (self->mwmhints.functions & MwmFunc_Close))
1693                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1694         }
1695     }
1696
1697     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1698         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1699     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1700         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1701     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1702         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1703
1704     /* can't maximize without moving/resizing */
1705     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1706           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1707           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1708         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1709         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1710     }
1711
1712     if (self->max_horz && self->max_vert) {
1713         /* you can't resize fully maximized windows */
1714         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1715         /* kill the handle on fully maxed windows */
1716         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1717     }
1718
1719     /* If there are no decorations to remove, don't allow the user to try
1720        toggle the state */
1721     if (self->decorations == 0)
1722         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1723
1724     /* finally, the user can have requested no decorations, which overrides
1725        everything (but doesnt give it a border if it doesnt have one) */
1726     if (self->undecorated) {
1727         if (config_theme_keepborder)
1728             self->decorations &= OB_FRAME_DECOR_BORDER;
1729         else
1730             self->decorations = 0;
1731     }
1732
1733     /* if we don't have a titlebar, then we cannot shade! */
1734     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1735         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1736
1737     /* now we need to check against rules for the client's current state */
1738     if (self->fullscreen) {
1739         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1740                             OB_CLIENT_FUNC_FULLSCREEN |
1741                             OB_CLIENT_FUNC_ICONIFY);
1742         self->decorations = 0;
1743     }
1744
1745     client_change_allowed_actions(self);
1746 }
1747
1748 static void client_change_allowed_actions(ObClient *self)
1749 {
1750     gulong actions[12];
1751     gint num = 0;
1752
1753     /* desktop windows are kept on all desktops */
1754     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1755         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1756
1757     if (self->functions & OB_CLIENT_FUNC_SHADE)
1758         actions[num++] = prop_atoms.net_wm_action_shade;
1759     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1760         actions[num++] = prop_atoms.net_wm_action_close;
1761     if (self->functions & OB_CLIENT_FUNC_MOVE)
1762         actions[num++] = prop_atoms.net_wm_action_move;
1763     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1764         actions[num++] = prop_atoms.net_wm_action_minimize;
1765     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1766         actions[num++] = prop_atoms.net_wm_action_resize;
1767     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1768         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1769     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1770         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1771         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1772     }
1773     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1774         actions[num++] = prop_atoms.net_wm_action_above;
1775     if (self->functions & OB_CLIENT_FUNC_BELOW)
1776         actions[num++] = prop_atoms.net_wm_action_below;
1777     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1778         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1779
1780     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1781
1782     /* make sure the window isn't breaking any rules now */
1783
1784     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1785         if (self->frame) client_shade(self, FALSE);
1786         else self->shaded = FALSE;
1787     }
1788     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1789         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1790         else self->iconic = FALSE;
1791     }
1792     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1793         if (self->frame) client_fullscreen(self, FALSE);
1794         else self->fullscreen = FALSE;
1795     }
1796     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1797                                                          self->max_vert)) {
1798         if (self->frame) client_maximize(self, FALSE, 0);
1799         else self->max_vert = self->max_horz = FALSE;
1800     }
1801 }
1802
1803 void client_reconfigure(ObClient *self)
1804 {
1805     /* by making this pass FALSE for user, we avoid the emacs event storm where
1806        every configurenotify causes an update in its normal hints, i think this
1807        is generally what we want anyways... */
1808     client_configure(self, self->area.x, self->area.y,
1809                      self->area.width, self->area.height,
1810                      self->border_width, FALSE, TRUE);
1811 }
1812
1813 void client_update_wmhints(ObClient *self)
1814 {
1815     XWMHints *hints;
1816
1817     /* assume a window takes input if it doesnt specify */
1818     self->can_focus = TRUE;
1819
1820     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1821         gboolean ur;
1822
1823         if (hints->flags & InputHint)
1824             self->can_focus = hints->input;
1825
1826         /* only do this when first managing the window *AND* when we aren't
1827            starting up! */
1828         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1829             if (hints->flags & StateHint)
1830                 self->iconic = hints->initial_state == IconicState;
1831
1832         ur = self->urgent;
1833         self->urgent = (hints->flags & XUrgencyHint);
1834         if (self->urgent && !ur)
1835             client_hilite(self, TRUE);
1836         else if (!self->urgent && ur && self->demands_attention)
1837             client_hilite(self, FALSE);
1838
1839         if (!(hints->flags & WindowGroupHint))
1840             hints->window_group = None;
1841
1842         /* did the group state change? */
1843         if (hints->window_group !=
1844             (self->group ? self->group->leader : None))
1845         {
1846             ObGroup *oldgroup = self->group;
1847
1848             /* remove from the old group if there was one */
1849             if (self->group != NULL) {
1850                 group_remove(self->group, self);
1851                 self->group = NULL;
1852             }
1853
1854             /* add ourself to the group if we have one */
1855             if (hints->window_group != None) {
1856                 self->group = group_add(hints->window_group, self);
1857             }
1858
1859             /* Put ourselves into the new group's transient tree, and remove
1860                ourselves from the old group's */
1861             client_update_transient_tree(self, oldgroup, self->group,
1862                                          self->transient_for,
1863                                          self->transient_for);
1864
1865             /* Lastly, being in a group, or not, can change if the window is
1866                transient for anything.
1867
1868                The logic for this is:
1869                self->transient = TRUE always if the window wants to be
1870                transient for something, even if transient_for was NULL because
1871                it wasn't in a group before.
1872
1873                If transient_for was NULL and oldgroup was NULL we can assume
1874                that when we add the new group, it will become transient for
1875                something.
1876
1877                If transient_for was OB_TRAN_GROUP, then it must have already
1878                had a group. If it is getting a new group, the above call to
1879                client_update_transient_tree has already taken care of
1880                everything ! If it is losing all group status then it will
1881                no longer be transient for anything and that needs to be
1882                updated.
1883             */
1884             if (self->transient &&
1885                 ((self->transient_for == NULL && oldgroup == NULL) ||
1886                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1887                 client_update_transient_for(self);
1888         }
1889
1890         /* the WM_HINTS can contain an icon */
1891         if (hints->flags & IconPixmapHint)
1892             client_update_icons(self);
1893
1894         XFree(hints);
1895     }
1896 }
1897
1898 void client_update_title(ObClient *self)
1899 {
1900     gchar *data = NULL;
1901     gchar *visible = NULL;
1902
1903     g_free(self->title);
1904
1905     /* try netwm */
1906     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1907         /* try old x stuff */
1908         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1909               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1910             if (self->transient) {
1911                 /*
1912                   GNOME alert windows are not given titles:
1913                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1914                 */
1915                 data = g_strdup("");
1916             } else
1917                 data = g_strdup("Unnamed Window");
1918         }
1919     }
1920
1921     if (self->client_machine) {
1922         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1923         g_free(data);
1924     } else
1925         visible = data;
1926
1927     PROP_SETS(self->window, net_wm_visible_name, visible);
1928     self->title = visible;
1929
1930     if (self->frame)
1931         frame_adjust_title(self->frame);
1932
1933     /* update the icon title */
1934     data = NULL;
1935     g_free(self->icon_title);
1936
1937     /* try netwm */
1938     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1939         /* try old x stuff */
1940         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1941               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1942             data = g_strdup(self->title);
1943
1944     if (self->client_machine) {
1945         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1946         g_free(data);
1947     } else
1948         visible = data;
1949
1950     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1951     self->icon_title = visible;
1952 }
1953
1954 void client_update_strut(ObClient *self)
1955 {
1956     guint num;
1957     guint32 *data;
1958     gboolean got = FALSE;
1959     StrutPartial strut;
1960
1961     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1962                     &data, &num)) {
1963         if (num == 12) {
1964             got = TRUE;
1965             STRUT_PARTIAL_SET(strut,
1966                               data[0], data[2], data[1], data[3],
1967                               data[4], data[5], data[8], data[9],
1968                               data[6], data[7], data[10], data[11]);
1969         }
1970         g_free(data);
1971     }
1972
1973     if (!got &&
1974         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1975         if (num == 4) {
1976             const Rect *a;
1977
1978             got = TRUE;
1979
1980             /* use the screen's width/height */
1981             a = screen_physical_area();
1982
1983             STRUT_PARTIAL_SET(strut,
1984                               data[0], data[2], data[1], data[3],
1985                               a->y, a->y + a->height - 1,
1986                               a->x, a->x + a->width - 1,
1987                               a->y, a->y + a->height - 1,
1988                               a->x, a->x + a->width - 1);
1989         }
1990         g_free(data);
1991     }
1992
1993     if (!got)
1994         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1995                           0, 0, 0, 0, 0, 0, 0, 0);
1996
1997     if (!STRUT_EQUAL(strut, self->strut)) {
1998         self->strut = strut;
1999
2000         /* updating here is pointless while we're being mapped cuz we're not in
2001            the client list yet */
2002         if (self->frame)
2003             screen_update_areas();
2004     }
2005 }
2006
2007 void client_update_icons(ObClient *self)
2008 {
2009     guint num;
2010     guint32 *data;
2011     guint w, h, i, j;
2012
2013     for (i = 0; i < self->nicons; ++i)
2014         g_free(self->icons[i].data);
2015     if (self->nicons > 0)
2016         g_free(self->icons);
2017     self->nicons = 0;
2018
2019     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2020         /* figure out how many valid icons are in here */
2021         i = 0;
2022         while (num - i > 2) {
2023             w = data[i++];
2024             h = data[i++];
2025             i += w * h;
2026             if (i > num || w*h == 0) break;
2027             ++self->nicons;
2028         }
2029
2030         self->icons = g_new(ObClientIcon, self->nicons);
2031
2032         /* store the icons */
2033         i = 0;
2034         for (j = 0; j < self->nicons; ++j) {
2035             guint x, y, t;
2036
2037             w = self->icons[j].width = data[i++];
2038             h = self->icons[j].height = data[i++];
2039
2040             if (w*h == 0) continue;
2041
2042             self->icons[j].data = g_new(RrPixel32, w * h);
2043             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2044                 if (x >= w) {
2045                     x = 0;
2046                     ++y;
2047                 }
2048                 self->icons[j].data[t] =
2049                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2050                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2051                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2052                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2053             }
2054             g_assert(i <= num);
2055         }
2056
2057         g_free(data);
2058     } else {
2059         XWMHints *hints;
2060
2061         if ((hints = XGetWMHints(ob_display, self->window))) {
2062             if (hints->flags & IconPixmapHint) {
2063                 self->nicons++;
2064                 self->icons = g_new(ObClientIcon, self->nicons);
2065                 xerror_set_ignore(TRUE);
2066                 if (!RrPixmapToRGBA(ob_rr_inst,
2067                                     hints->icon_pixmap,
2068                                     (hints->flags & IconMaskHint ?
2069                                      hints->icon_mask : None),
2070                                     &self->icons[self->nicons-1].width,
2071                                     &self->icons[self->nicons-1].height,
2072                                     &self->icons[self->nicons-1].data)){
2073                     g_free(&self->icons[self->nicons-1]);
2074                     self->nicons--;
2075                 }
2076                 xerror_set_ignore(FALSE);
2077             }
2078             XFree(hints);
2079         }
2080     }
2081
2082     /* set the default icon onto the window
2083        in theory, this could be a race, but if a window doesn't set an icon
2084        or removes it entirely, it's not very likely it is going to set one
2085        right away afterwards */
2086     if (self->nicons == 0) {
2087         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2088         gulong *data;
2089
2090         data = g_new(gulong, 48*48+2);
2091         data[0] = data[1] =  48;
2092         for (i = 0; i < 48*48; ++i)
2093             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2094                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2095                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2096                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2097         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2098         g_free(data);
2099     } else if (self->frame)
2100         /* don't draw the icon empty if we're just setting one now anyways,
2101            we'll get the property change any second */
2102         frame_adjust_icon(self->frame);
2103 }
2104
2105 void client_update_user_time(ObClient *self)
2106 {
2107     guint32 time;
2108     gboolean got = FALSE;
2109
2110     if (self->user_time_window)
2111         got = PROP_GET32(self->user_time_window,
2112                          net_wm_user_time, cardinal, &time);
2113     if (!got)
2114         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2115
2116     if (got) {
2117         /* we set this every time, not just when it grows, because in practice
2118            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2119            backward we don't want all windows to stop focusing. we'll just
2120            assume noone is setting times older than the last one, cuz that
2121            would be pretty stupid anyways
2122         */
2123         self->user_time = time;
2124
2125         /*ob_debug("window %s user time %u\n", self->title, time);*/
2126     }
2127 }
2128
2129 void client_update_user_time_window(ObClient *self)
2130 {
2131     guint32 w;
2132
2133     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2134         w = None;
2135
2136     if (w != self->user_time_window) {
2137         /* remove the old window */
2138         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2139         self->user_time_window = None;
2140
2141         if (self->group && self->group->leader == w) {
2142             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2143                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2144             /* do it anyways..? */
2145         }
2146         else if (w == self->window) {
2147             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2148                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2149             w = None; /* don't do it */
2150         }
2151
2152         /* add the new window */
2153         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2154         self->user_time_window = w;
2155
2156         /* and update from it */
2157         client_update_user_time(self);
2158     }
2159 }
2160
2161 void client_update_icon_geometry(ObClient *self)
2162 {
2163     guint num;
2164     guint32 *data;
2165
2166     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2167
2168     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2169         && num == 4)
2170     {
2171         /* don't let them set it with an area < 0 */
2172         RECT_SET(self->icon_geometry, data[0], data[1],
2173                  MAX(data[2],0), MAX(data[3],0));
2174     }
2175 }
2176
2177 static void client_get_session_ids(ObClient *self)
2178 {
2179     guint32 leader;
2180     gboolean got;
2181     gchar *s;
2182     gchar **ss;
2183
2184     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2185         leader = None;
2186
2187     /* get the SM_CLIENT_ID */
2188     got = FALSE;
2189     if (leader)
2190         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2191     if (!got)
2192         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2193
2194     /* get the WM_CLASS (name and class). make them "" if they are not
2195        provided */
2196     got = FALSE;
2197     if (leader)
2198         got = PROP_GETSS(leader, wm_class, locale, &ss);
2199     if (!got)
2200         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2201
2202     if (got) {
2203         if (ss[0]) {
2204             self->name = g_strdup(ss[0]);
2205             if (ss[1])
2206                 self->class = g_strdup(ss[1]);
2207         }
2208         g_strfreev(ss);
2209     }
2210
2211     if (self->name == NULL) self->name = g_strdup("");
2212     if (self->class == NULL) self->class = g_strdup("");
2213
2214     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2215     got = FALSE;
2216     if (leader)
2217         got = PROP_GETS(leader, wm_window_role, locale, &s);
2218     if (!got)
2219         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2220
2221     if (got)
2222         self->role = s;
2223     else
2224         self->role = g_strdup("");
2225
2226     /* get the WM_COMMAND */
2227     got = FALSE;
2228
2229     if (leader)
2230         got = PROP_GETSS(leader, wm_command, locale, &ss);
2231     if (!got)
2232         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2233
2234     if (got) {
2235         /* merge/mash them all together */
2236         gchar *merge = NULL;
2237         gint i;
2238
2239         for (i = 0; ss[i]; ++i) {
2240             gchar *tmp = merge;
2241             if (merge)
2242                 merge = g_strconcat(merge, ss[i], NULL);
2243             else
2244                 merge = g_strconcat(ss[i], NULL);
2245             g_free(tmp);
2246         }
2247         g_strfreev(ss);
2248
2249         self->wm_command = merge;
2250     }
2251
2252     /* get the WM_CLIENT_MACHINE */
2253     got = FALSE;
2254     if (leader)
2255         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2256     if (!got)
2257         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2258
2259     if (got) {
2260         gchar localhost[128];
2261
2262         gethostname(localhost, 127);
2263         localhost[127] = '\0';
2264         if (strcmp(localhost, s) != 0)
2265             self->client_machine = s;
2266         else
2267             g_free(s);
2268     }
2269 }
2270
2271 static void client_change_wm_state(ObClient *self)
2272 {
2273     gulong state[2];
2274     glong old;
2275
2276     old = self->wmstate;
2277
2278     if (self->shaded || self->iconic ||
2279         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2280     {
2281         self->wmstate = IconicState;
2282     } else
2283         self->wmstate = NormalState;
2284
2285     if (old != self->wmstate) {
2286         PROP_MSG(self->window, kde_wm_change_state,
2287                  self->wmstate, 1, 0, 0);
2288
2289         state[0] = self->wmstate;
2290         state[1] = None;
2291         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2292     }
2293 }
2294
2295 static void client_change_state(ObClient *self)
2296 {
2297     gulong netstate[11];
2298     guint num;
2299
2300     num = 0;
2301     if (self->modal)
2302         netstate[num++] = prop_atoms.net_wm_state_modal;
2303     if (self->shaded)
2304         netstate[num++] = prop_atoms.net_wm_state_shaded;
2305     if (self->iconic)
2306         netstate[num++] = prop_atoms.net_wm_state_hidden;
2307     if (self->skip_taskbar)
2308         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2309     if (self->skip_pager)
2310         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2311     if (self->fullscreen)
2312         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2313     if (self->max_vert)
2314         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2315     if (self->max_horz)
2316         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2317     if (self->above)
2318         netstate[num++] = prop_atoms.net_wm_state_above;
2319     if (self->below)
2320         netstate[num++] = prop_atoms.net_wm_state_below;
2321     if (self->demands_attention)
2322         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2323     if (self->undecorated)
2324         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2325     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2326
2327     if (self->frame)
2328         frame_adjust_state(self->frame);
2329 }
2330
2331 ObClient *client_search_focus_tree(ObClient *self)
2332 {
2333     GSList *it;
2334     ObClient *ret;
2335
2336     for (it = self->transients; it; it = g_slist_next(it)) {
2337         if (client_focused(it->data)) return it->data;
2338         if ((ret = client_search_focus_tree(it->data))) return ret;
2339     }
2340     return NULL;
2341 }
2342
2343 ObClient *client_search_focus_tree_full(ObClient *self)
2344 {
2345     if (self->transient_for) {
2346         if (self->transient_for != OB_TRAN_GROUP) {
2347             return client_search_focus_tree_full(self->transient_for);
2348         } else {
2349             GSList *it;
2350             gboolean recursed = FALSE;
2351
2352             for (it = self->group->members; it; it = g_slist_next(it))
2353                 if (!((ObClient*)it->data)->transient_for) {
2354                     ObClient *c;
2355                     if ((c = client_search_focus_tree_full(it->data)))
2356                         return c;
2357                     recursed = TRUE;
2358                 }
2359             if (recursed)
2360                 return NULL;
2361         }
2362     }
2363
2364     /* this function checks the whole tree, the client_search_focus_tree~
2365        does not, so we need to check this window */
2366     if (client_focused(self))
2367         return self;
2368     return client_search_focus_tree(self);
2369 }
2370
2371 static ObStackingLayer calc_layer(ObClient *self)
2372 {
2373     ObStackingLayer l;
2374
2375     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2376         l = OB_STACKING_LAYER_DESKTOP;
2377     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2378         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2379         else l = OB_STACKING_LAYER_ABOVE;
2380     }
2381     else if ((self->fullscreen ||
2382               /* No decorations and fills the monitor = oldskool fullscreen.
2383                  But not for maximized windows.
2384               */
2385               (self->decorations == 0 &&
2386                !(self->max_horz && self->max_vert) &&
2387                RECT_EQUAL(self->area,
2388                           *screen_physical_area_monitor
2389                           (client_monitor(self))))) &&
2390              (client_focused(self) || client_search_focus_tree(self)))
2391         l = OB_STACKING_LAYER_FULLSCREEN;
2392     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2393     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2394     else l = OB_STACKING_LAYER_NORMAL;
2395
2396     return l;
2397 }
2398
2399 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2400                                         ObStackingLayer min)
2401 {
2402     ObStackingLayer old, own;
2403     GSList *it;
2404
2405     old = self->layer;
2406     own = calc_layer(self);
2407     self->layer = MAX(own, min);
2408
2409     if (self->layer != old) {
2410         stacking_remove(CLIENT_AS_WINDOW(self));
2411         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2412     }
2413
2414     for (it = self->transients; it; it = g_slist_next(it))
2415         client_calc_layer_recursive(it->data, orig,
2416                                     self->layer);
2417 }
2418
2419 void client_calc_layer(ObClient *self)
2420 {
2421     ObClient *orig;
2422     GSList *it;
2423
2424     orig = self;
2425
2426     /* transients take on the layer of their parents */
2427     it = client_search_all_top_parents(self);
2428
2429     for (; it; it = g_slist_next(it))
2430         client_calc_layer_recursive(it->data, orig, 0);
2431 }
2432
2433 gboolean client_should_show(ObClient *self)
2434 {
2435     if (self->iconic)
2436         return FALSE;
2437     if (client_normal(self) && screen_showing_desktop)
2438         return FALSE;
2439     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2440         return TRUE;
2441
2442     return FALSE;
2443 }
2444
2445 gboolean client_show(ObClient *self)
2446 {
2447     gboolean show = FALSE;
2448
2449     if (client_should_show(self)) {
2450         frame_show(self->frame);
2451         show = TRUE;
2452
2453         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2454            it needs to be in IconicState. This includes when it is on another
2455            desktop!
2456         */
2457         client_change_wm_state(self);
2458     }
2459     return show;
2460 }
2461
2462 gboolean client_hide(ObClient *self)
2463 {
2464     gboolean hide = FALSE;
2465
2466     if (!client_should_show(self)) {
2467         if (self == focus_client) {
2468             /* if there is a grab going on, then we need to cancel it. if we
2469                move focus during the grab, applications will get
2470                NotifyWhileGrabbed events and ignore them !
2471
2472                actions should not rely on being able to move focus during an
2473                interactive grab.
2474             */
2475             event_cancel_all_key_grabs();
2476         }
2477
2478         frame_hide(self->frame);
2479         hide = TRUE;
2480
2481         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2482            it needs to be in IconicState. This includes when it is on another
2483            desktop!
2484         */
2485         client_change_wm_state(self);
2486     }
2487     return hide;
2488 }
2489
2490 void client_showhide(ObClient *self)
2491 {
2492     if (!client_show(self))
2493         client_hide(self);
2494 }
2495
2496 gboolean client_normal(ObClient *self) {
2497     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2498               self->type == OB_CLIENT_TYPE_DOCK ||
2499               self->type == OB_CLIENT_TYPE_SPLASH);
2500 }
2501
2502 gboolean client_helper(ObClient *self)
2503 {
2504     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2505             self->type == OB_CLIENT_TYPE_MENU ||
2506             self->type == OB_CLIENT_TYPE_TOOLBAR);
2507 }
2508
2509 gboolean client_mouse_focusable(ObClient *self)
2510 {
2511     return !(self->type == OB_CLIENT_TYPE_MENU ||
2512              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2513              self->type == OB_CLIENT_TYPE_SPLASH ||
2514              self->type == OB_CLIENT_TYPE_DOCK);
2515 }
2516
2517 gboolean client_enter_focusable(ObClient *self)
2518 {
2519     /* you can focus desktops but it shouldn't on enter */
2520     return (client_mouse_focusable(self) &&
2521             self->type != OB_CLIENT_TYPE_DESKTOP);
2522 }
2523
2524
2525 static void client_apply_startup_state(ObClient *self)
2526 {
2527     /* set the desktop hint, to make sure that it always exists */
2528     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2529
2530     /* these are in a carefully crafted order.. */
2531
2532     if (self->iconic) {
2533         self->iconic = FALSE;
2534         client_iconify(self, TRUE, FALSE, TRUE);
2535     }
2536     if (self->fullscreen) {
2537         self->fullscreen = FALSE;
2538         client_fullscreen(self, TRUE);
2539     }
2540     if (self->undecorated) {
2541         self->undecorated = FALSE;
2542         client_set_undecorated(self, TRUE);
2543     }
2544     if (self->shaded) {
2545         self->shaded = FALSE;
2546         client_shade(self, TRUE);
2547     }
2548     if (self->demands_attention) {
2549         self->demands_attention = FALSE;
2550         client_hilite(self, TRUE);
2551     }
2552
2553     if (self->max_vert && self->max_horz) {
2554         self->max_vert = self->max_horz = FALSE;
2555         client_maximize(self, TRUE, 0);
2556     } else if (self->max_vert) {
2557         self->max_vert = FALSE;
2558         client_maximize(self, TRUE, 2);
2559     } else if (self->max_horz) {
2560         self->max_horz = FALSE;
2561         client_maximize(self, TRUE, 1);
2562     }
2563
2564     /* nothing to do for the other states:
2565        skip_taskbar
2566        skip_pager
2567        modal
2568        above
2569        below
2570     */
2571 }
2572
2573 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2574 {
2575     /* these should be the current values. this is for when you're not moving,
2576        just resizing */
2577     g_assert(*x == self->area.x);
2578     g_assert(oldw == self->area.width);
2579
2580     /* horizontal */
2581     switch (self->gravity) {
2582     default:
2583     case NorthWestGravity:
2584     case WestGravity:
2585     case SouthWestGravity:
2586     case StaticGravity:
2587     case ForgetGravity:
2588         break;
2589     case NorthGravity:
2590     case CenterGravity:
2591     case SouthGravity:
2592         *x -= (neww - oldw) / 2;
2593         break;
2594     case NorthEastGravity:
2595     case EastGravity:
2596     case SouthEastGravity:
2597         *x -= neww - oldw;
2598         break;
2599     }
2600 }
2601
2602 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2603 {
2604     /* these should be the current values. this is for when you're not moving,
2605        just resizing */
2606     g_assert(*y == self->area.y);
2607     g_assert(oldh == self->area.height);
2608
2609     /* vertical */
2610     switch (self->gravity) {
2611     default:
2612     case NorthWestGravity:
2613     case NorthGravity:
2614     case NorthEastGravity:
2615     case StaticGravity:
2616     case ForgetGravity:
2617         break;
2618     case WestGravity:
2619     case CenterGravity:
2620     case EastGravity:
2621         *y -= (newh - oldh) / 2;
2622         break;
2623     case SouthWestGravity:
2624     case SouthGravity:
2625     case SouthEastGravity:
2626         *y -= newh - oldh;
2627         break;
2628     }
2629 }
2630
2631 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2632                           gint *logicalw, gint *logicalh,
2633                           gboolean user)
2634 {
2635     Rect desired_area = {*x, *y, *w, *h};
2636
2637     /* make the frame recalculate its dimentions n shit without changing
2638        anything visible for real, this way the constraints below can work with
2639        the updated frame dimensions. */
2640     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2641
2642     /* work within the prefered sizes given by the window */
2643     if (!(*w == self->area.width && *h == self->area.height)) {
2644         gint basew, baseh, minw, minh;
2645
2646         /* base size is substituted with min size if not specified */
2647         if (self->base_size.width || self->base_size.height) {
2648             basew = self->base_size.width;
2649             baseh = self->base_size.height;
2650         } else {
2651             basew = self->min_size.width;
2652             baseh = self->min_size.height;
2653         }
2654         /* min size is substituted with base size if not specified */
2655         if (self->min_size.width || self->min_size.height) {
2656             minw = self->min_size.width;
2657             minh = self->min_size.height;
2658         } else {
2659             minw = self->base_size.width;
2660             minh = self->base_size.height;
2661         }
2662
2663         /* if this is a user-requested resize, then check against min/max
2664            sizes */
2665
2666         /* smaller than min size or bigger than max size? */
2667         if (*w > self->max_size.width) *w = self->max_size.width;
2668         if (*w < minw) *w = minw;
2669         if (*h > self->max_size.height) *h = self->max_size.height;
2670         if (*h < minh) *h = minh;
2671
2672         *w -= basew;
2673         *h -= baseh;
2674
2675         /* keep to the increments */
2676         *w /= self->size_inc.width;
2677         *h /= self->size_inc.height;
2678
2679         /* you cannot resize to nothing */
2680         if (basew + *w < 1) *w = 1 - basew;
2681         if (baseh + *h < 1) *h = 1 - baseh;
2682
2683         /* save the logical size */
2684         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2685         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2686
2687         *w *= self->size_inc.width;
2688         *h *= self->size_inc.height;
2689
2690         *w += basew;
2691         *h += baseh;
2692
2693         /* adjust the height to match the width for the aspect ratios.
2694            for this, min size is not substituted for base size ever. */
2695         *w -= self->base_size.width;
2696         *h -= self->base_size.height;
2697
2698         if (!self->fullscreen) {
2699             if (self->min_ratio)
2700                 if (*h * self->min_ratio > *w) {
2701                     *h = (gint)(*w / self->min_ratio);
2702
2703                     /* you cannot resize to nothing */
2704                     if (*h < 1) {
2705                         *h = 1;
2706                         *w = (gint)(*h * self->min_ratio);
2707                     }
2708                 }
2709             if (self->max_ratio)
2710                 if (*h * self->max_ratio < *w) {
2711                     *h = (gint)(*w / self->max_ratio);
2712
2713                     /* you cannot resize to nothing */
2714                     if (*h < 1) {
2715                         *h = 1;
2716                         *w = (gint)(*h * self->min_ratio);
2717                     }
2718                 }
2719         }
2720
2721         *w += self->base_size.width;
2722         *h += self->base_size.height;
2723     }
2724
2725     /* gets the frame's position */
2726     frame_client_gravity(self->frame, x, y, *w, *h);
2727
2728     /* these positions are frame positions, not client positions */
2729
2730     /* set the size and position if fullscreen */
2731     if (self->fullscreen) {
2732         Rect *a;
2733         guint i;
2734
2735         i = screen_find_monitor(&desired_area);
2736         a = screen_physical_area_monitor(i);
2737
2738         *x = a->x;
2739         *y = a->y;
2740         *w = a->width;
2741         *h = a->height;
2742
2743         user = FALSE; /* ignore if the client can't be moved/resized when it
2744                          is fullscreening */
2745     } else if (self->max_horz || self->max_vert) {
2746         Rect *a;
2747         guint i;
2748
2749         i = screen_find_monitor(&desired_area);
2750         a = screen_area_monitor(self->desktop, i);
2751
2752         /* set the size and position if maximized */
2753         if (self->max_horz) {
2754             *x = a->x;
2755             *w = a->width - self->frame->size.left - self->frame->size.right;
2756         }
2757         if (self->max_vert) {
2758             *y = a->y;
2759             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2760         }
2761
2762         user = FALSE; /* ignore if the client can't be moved/resized when it
2763                          is maximizing */
2764     }
2765
2766     /* gets the client's position */
2767     frame_frame_gravity(self->frame, x, y, *w, *h);
2768
2769     /* these override the above states! if you cant move you can't move! */
2770     if (user) {
2771         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2772             *x = self->area.x;
2773             *y = self->area.y;
2774         }
2775         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2776             *w = self->area.width;
2777             *h = self->area.height;
2778         }
2779     }
2780
2781     g_assert(*w > 0);
2782     g_assert(*h > 0);
2783 }
2784
2785
2786 void client_configure(ObClient *self, gint x, gint y, gint w, gint h, gint b,
2787                       gboolean user, gboolean final)
2788 {
2789     gint oldw, oldh;
2790     gboolean send_resize_client;
2791     gboolean moved = FALSE, resized = FALSE;
2792     gboolean fmoved, fresized;
2793     guint fdecor = self->frame->decorations;
2794     gboolean fhorz = self->frame->max_horz;
2795     gboolean fvert = self->frame->max_vert;
2796     gint logicalw, logicalh;
2797
2798     /* find the new x, y, width, and height (and logical size) */
2799     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2800
2801     /* set the logical size if things changed */
2802     if (!(w == self->area.width && h == self->area.height))
2803         SIZE_SET(self->logical_size, logicalw, logicalh);
2804
2805     /* figure out if we moved or resized or what */
2806     moved = x != self->area.x || y != self->area.y;
2807     resized = w != self->area.width || h != self->area.height ||
2808         b != self->border_width;
2809
2810     oldw = self->area.width;
2811     oldh = self->area.height;
2812     RECT_SET(self->area, x, y, w, h);
2813     self->border_width = b;
2814
2815     /* for app-requested resizes, always resize if 'resized' is true.
2816        for user-requested ones, only resize if final is true, or when
2817        resizing in redraw mode */
2818     send_resize_client = ((!user && resized) ||
2819                           (user && (final ||
2820                                     (resized && config_resize_redraw))));
2821
2822     /* if the client is enlarging, then resize the client before the frame */
2823     if (send_resize_client && (w > oldw || h > oldh)) {
2824         XWindowChanges changes;
2825         changes.x = -self->border_width;
2826         changes.y = -self->border_width;
2827         changes.width = MAX(w, oldw);
2828         changes.height = MAX(h, oldh);
2829         changes.border_width = self->border_width;
2830         XConfigureWindow(ob_display, self->window,
2831                          (moved ? CWX|CWY : 0) |
2832                          (resized ? CWWidth|CWHeight|CWBorderWidth : 0),
2833                          &changes);
2834         /* resize the plate to show the client padding color underneath */
2835         frame_adjust_client_area(self->frame);
2836     }
2837
2838     /* find the frame's dimensions and move/resize it */
2839     fmoved = moved;
2840     fresized = resized;
2841
2842     /* if decorations changed, then readjust everything for the frame */
2843     if (self->decorations != fdecor ||
2844         self->max_horz != fhorz || self->max_vert != fvert)
2845     {
2846         fmoved = fresized = TRUE;
2847     }
2848
2849     /* adjust the frame */
2850     if (fmoved || fresized)
2851         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2852
2853     if ((!user || (user && final)) && !resized)
2854     {
2855         XEvent event;
2856
2857         /* we have reset the client to 0 border width, so don't include
2858            it in these coords */
2859         POINT_SET(self->root_pos,
2860                   self->frame->area.x + self->frame->size.left -
2861                   self->border_width,
2862                   self->frame->area.y + self->frame->size.top -
2863                   self->border_width);
2864
2865         event.type = ConfigureNotify;
2866         event.xconfigure.display = ob_display;
2867         event.xconfigure.event = self->window;
2868         event.xconfigure.window = self->window;
2869
2870         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2871                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2872
2873         /* root window real coords */
2874         event.xconfigure.x = self->root_pos.x;
2875         event.xconfigure.y = self->root_pos.y;
2876         event.xconfigure.width = w;
2877         event.xconfigure.height = h;
2878         event.xconfigure.border_width = self->border_width;
2879         event.xconfigure.above = self->frame->plate;
2880         event.xconfigure.override_redirect = FALSE;
2881         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2882                    FALSE, StructureNotifyMask, &event);
2883     }
2884
2885     /* if the client is shrinking, then resize the frame before the client */
2886     if (send_resize_client && (w <= oldw || h <= oldh)) {
2887         /* resize the plate to show the client padding color underneath */
2888         frame_adjust_client_area(self->frame);
2889
2890         if (send_resize_client) {
2891             XWindowChanges changes;
2892             changes.x = -self->border_width;
2893             changes.y = -self->border_width;
2894             changes.width = w;
2895             changes.height = h;
2896             changes.border_width = self->border_width;
2897             XConfigureWindow(ob_display, self->window,
2898                              (moved ? CWX|CWY : 0) |
2899                              (resized ? CWWidth|CWHeight|CWBorderWidth : 0),
2900                              &changes);
2901         }
2902     }
2903
2904     XFlush(ob_display);
2905 }
2906
2907 void client_fullscreen(ObClient *self, gboolean fs)
2908 {
2909     gint x, y, w, h;
2910
2911     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2912         self->fullscreen == fs) return;                   /* already done */
2913
2914     self->fullscreen = fs;
2915     client_change_state(self); /* change the state hints on the client */
2916
2917     if (fs) {
2918         self->pre_fullscreen_area = self->area;
2919         /* if the window is maximized, its area isn't all that meaningful.
2920            save it's premax area instead. */
2921         if (self->max_horz) {
2922             self->pre_fullscreen_area.x = self->pre_max_area.x;
2923             self->pre_fullscreen_area.width = self->pre_max_area.width;
2924         }
2925         if (self->max_vert) {
2926             self->pre_fullscreen_area.y = self->pre_max_area.y;
2927             self->pre_fullscreen_area.height = self->pre_max_area.height;
2928         }
2929
2930         /* these will help configure_full figure out where to fullscreen
2931            the window */
2932         x = self->area.x;
2933         y = self->area.y;
2934         w = self->area.width;
2935         h = self->area.height;
2936     } else {
2937         g_assert(self->pre_fullscreen_area.width > 0 &&
2938                  self->pre_fullscreen_area.height > 0);
2939
2940         x = self->pre_fullscreen_area.x;
2941         y = self->pre_fullscreen_area.y;
2942         w = self->pre_fullscreen_area.width;
2943         h = self->pre_fullscreen_area.height;
2944         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2945     }
2946
2947     client_setup_decor_and_functions(self);
2948
2949     client_move_resize(self, x, y, w, h);
2950
2951     /* and adjust our layer/stacking. do this after resizing the window,
2952        and applying decorations, because windows which fill the screen are
2953        considered "fullscreen" and it affects their layer */
2954     client_calc_layer(self);
2955
2956     if (fs) {
2957         /* try focus us when we go into fullscreen mode */
2958         client_focus(self);
2959     }
2960 }
2961
2962 static void client_iconify_recursive(ObClient *self,
2963                                      gboolean iconic, gboolean curdesk,
2964                                      gboolean hide_animation)
2965 {
2966     GSList *it;
2967     gboolean changed = FALSE;
2968
2969
2970     if (self->iconic != iconic) {
2971         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2972                  self->window);
2973
2974         if (iconic) {
2975             /* don't let non-normal windows iconify along with their parents
2976                or whatever */
2977             if (client_normal(self)) {
2978                 self->iconic = iconic;
2979
2980                 /* update the focus lists.. iconic windows go to the bottom of
2981                    the list */
2982                 focus_order_to_bottom(self);
2983
2984                 changed = TRUE;
2985             }
2986         } else {
2987             self->iconic = iconic;
2988
2989             if (curdesk && self->desktop != screen_desktop &&
2990                 self->desktop != DESKTOP_ALL)
2991                 client_set_desktop(self, screen_desktop, FALSE);
2992
2993             /* this puts it after the current focused window */
2994             focus_order_remove(self);
2995             focus_order_add_new(self);
2996
2997             changed = TRUE;
2998         }
2999     }
3000
3001     if (changed) {
3002         client_change_state(self);
3003         if (config_animate_iconify && !hide_animation)
3004             frame_begin_iconify_animation(self->frame, iconic);
3005         /* do this after starting the animation so it doesn't flash */
3006         client_showhide(self);
3007     }
3008
3009     /* iconify all direct transients, and deiconify all transients
3010        (non-direct too) */
3011     for (it = self->transients; it; it = g_slist_next(it))
3012         if (it->data != self)
3013             if (client_is_direct_child(self, it->data) || !iconic)
3014                 client_iconify_recursive(it->data, iconic, curdesk,
3015                                          hide_animation);
3016 }
3017
3018 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3019                     gboolean hide_animation)
3020 {
3021     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3022         /* move up the transient chain as far as possible first */
3023         self = client_search_top_normal_parent(self);
3024         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3025     }
3026 }
3027
3028 void client_maximize(ObClient *self, gboolean max, gint dir)
3029 {
3030     gint x, y, w, h;
3031
3032     g_assert(dir == 0 || dir == 1 || dir == 2);
3033     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3034
3035     /* check if already done */
3036     if (max) {
3037         if (dir == 0 && self->max_horz && self->max_vert) return;
3038         if (dir == 1 && self->max_horz) return;
3039         if (dir == 2 && self->max_vert) return;
3040     } else {
3041         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3042         if (dir == 1 && !self->max_horz) return;
3043         if (dir == 2 && !self->max_vert) return;
3044     }
3045
3046     /* these will help configure_full figure out which screen to fill with
3047        the window */
3048     x = self->area.x;
3049     y = self->area.y;
3050     w = self->area.width;
3051     h = self->area.height;
3052
3053     if (max) {
3054         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3055             RECT_SET(self->pre_max_area,
3056                      self->area.x, self->pre_max_area.y,
3057                      self->area.width, self->pre_max_area.height);
3058         }
3059         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3060             RECT_SET(self->pre_max_area,
3061                      self->pre_max_area.x, self->area.y,
3062                      self->pre_max_area.width, self->area.height);
3063         }
3064     } else {
3065         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3066             g_assert(self->pre_max_area.width > 0);
3067
3068             x = self->pre_max_area.x;
3069             w = self->pre_max_area.width;
3070
3071             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3072                      0, self->pre_max_area.height);
3073         }
3074         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3075             g_assert(self->pre_max_area.height > 0);
3076
3077             y = self->pre_max_area.y;
3078             h = self->pre_max_area.height;
3079
3080             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3081                      self->pre_max_area.width, 0);
3082         }
3083     }
3084
3085     if (dir == 0 || dir == 1) /* horz */
3086         self->max_horz = max;
3087     if (dir == 0 || dir == 2) /* vert */
3088         self->max_vert = max;
3089
3090     client_change_state(self); /* change the state hints on the client */
3091
3092     client_setup_decor_and_functions(self);
3093
3094     client_move_resize(self, x, y, w, h);
3095 }
3096
3097 void client_shade(ObClient *self, gboolean shade)
3098 {
3099     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3100          shade) ||                         /* can't shade */
3101         self->shaded == shade) return;     /* already done */
3102
3103     self->shaded = shade;
3104     client_change_state(self);
3105     client_change_wm_state(self); /* the window is being hidden/shown */
3106     /* resize the frame to just the titlebar */
3107     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3108 }
3109
3110 void client_close(ObClient *self)
3111 {
3112     XEvent ce;
3113
3114     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3115
3116     /* in the case that the client provides no means to requesting that it
3117        close, we just kill it */
3118     if (!self->delete_window)
3119         client_kill(self);
3120
3121     /*
3122       XXX: itd be cool to do timeouts and shit here for killing the client's
3123       process off
3124       like... if the window is around after 5 seconds, then the close button
3125       turns a nice red, and if this function is called again, the client is
3126       explicitly killed.
3127     */
3128
3129     ce.xclient.type = ClientMessage;
3130     ce.xclient.message_type =  prop_atoms.wm_protocols;
3131     ce.xclient.display = ob_display;
3132     ce.xclient.window = self->window;
3133     ce.xclient.format = 32;
3134     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3135     ce.xclient.data.l[1] = event_curtime;
3136     ce.xclient.data.l[2] = 0l;
3137     ce.xclient.data.l[3] = 0l;
3138     ce.xclient.data.l[4] = 0l;
3139     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3140 }
3141
3142 void client_kill(ObClient *self)
3143 {
3144     XKillClient(ob_display, self->window);
3145 }
3146
3147 void client_hilite(ObClient *self, gboolean hilite)
3148 {
3149     if (self->demands_attention == hilite)
3150         return; /* no change */
3151
3152     /* don't allow focused windows to hilite */
3153     self->demands_attention = hilite && !client_focused(self);
3154     if (self->frame != NULL) { /* if we're mapping, just set the state */
3155         if (self->demands_attention)
3156             frame_flash_start(self->frame);
3157         else
3158             frame_flash_stop(self->frame);
3159         client_change_state(self);
3160     }
3161 }
3162
3163 void client_set_desktop_recursive(ObClient *self,
3164                                   guint target,
3165                                   gboolean donthide)
3166 {
3167     guint old;
3168     GSList *it;
3169
3170     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3171
3172         ob_debug("Setting desktop %u\n", target+1);
3173
3174         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3175
3176         old = self->desktop;
3177         self->desktop = target;
3178         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3179         /* the frame can display the current desktop state */
3180         frame_adjust_state(self->frame);
3181         /* 'move' the window to the new desktop */
3182         if (!donthide)
3183             client_showhide(self);
3184         /* raise if it was not already on the desktop */
3185         if (old != DESKTOP_ALL)
3186             stacking_raise(CLIENT_AS_WINDOW(self));
3187         if (STRUT_EXISTS(self->strut))
3188             screen_update_areas();
3189     }
3190
3191     /* move all transients */
3192     for (it = self->transients; it; it = g_slist_next(it))
3193         if (it->data != self)
3194             if (client_is_direct_child(self, it->data))
3195                 client_set_desktop_recursive(it->data, target, donthide);
3196 }
3197
3198 void client_set_desktop(ObClient *self, guint target,
3199                         gboolean donthide)
3200 {
3201     self = client_search_top_normal_parent(self);
3202     client_set_desktop_recursive(self, target, donthide);
3203 }
3204
3205 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3206 {
3207     while (child != parent &&
3208            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3209         child = child->transient_for;
3210     return child == parent;
3211 }
3212
3213 ObClient *client_search_modal_child(ObClient *self)
3214 {
3215     GSList *it;
3216     ObClient *ret;
3217
3218     for (it = self->transients; it; it = g_slist_next(it)) {
3219         ObClient *c = it->data;
3220         if ((ret = client_search_modal_child(c))) return ret;
3221         if (c->modal) return c;
3222     }
3223     return NULL;
3224 }
3225
3226 gboolean client_validate(ObClient *self)
3227 {
3228     XEvent e;
3229
3230     XSync(ob_display, FALSE); /* get all events on the server */
3231
3232     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3233         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3234         XPutBackEvent(ob_display, &e);
3235         return FALSE;
3236     }
3237
3238     return TRUE;
3239 }
3240
3241 void client_set_wm_state(ObClient *self, glong state)
3242 {
3243     if (state == self->wmstate) return; /* no change */
3244
3245     switch (state) {
3246     case IconicState:
3247         client_iconify(self, TRUE, TRUE, FALSE);
3248         break;
3249     case NormalState:
3250         client_iconify(self, FALSE, TRUE, FALSE);
3251         break;
3252     }
3253 }
3254
3255 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3256 {
3257     gboolean shaded = self->shaded;
3258     gboolean fullscreen = self->fullscreen;
3259     gboolean undecorated = self->undecorated;
3260     gboolean max_horz = self->max_horz;
3261     gboolean max_vert = self->max_vert;
3262     gboolean modal = self->modal;
3263     gboolean iconic = self->iconic;
3264     gboolean demands_attention = self->demands_attention;
3265     gboolean above = self->above;
3266     gboolean below = self->below;
3267     gint i;
3268
3269     if (!(action == prop_atoms.net_wm_state_add ||
3270           action == prop_atoms.net_wm_state_remove ||
3271           action == prop_atoms.net_wm_state_toggle))
3272         /* an invalid action was passed to the client message, ignore it */
3273         return;
3274
3275     for (i = 0; i < 2; ++i) {
3276         Atom state = i == 0 ? data1 : data2;
3277
3278         if (!state) continue;
3279
3280         /* if toggling, then pick whether we're adding or removing */
3281         if (action == prop_atoms.net_wm_state_toggle) {
3282             if (state == prop_atoms.net_wm_state_modal)
3283                 action = modal ? prop_atoms.net_wm_state_remove :
3284                     prop_atoms.net_wm_state_add;
3285             else if (state == prop_atoms.net_wm_state_maximized_vert)
3286                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3287                     prop_atoms.net_wm_state_add;
3288             else if (state == prop_atoms.net_wm_state_maximized_horz)
3289                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3290                     prop_atoms.net_wm_state_add;
3291             else if (state == prop_atoms.net_wm_state_shaded)
3292                 action = shaded ? prop_atoms.net_wm_state_remove :
3293                     prop_atoms.net_wm_state_add;
3294             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3295                 action = self->skip_taskbar ?
3296                     prop_atoms.net_wm_state_remove :
3297                     prop_atoms.net_wm_state_add;
3298             else if (state == prop_atoms.net_wm_state_skip_pager)
3299                 action = self->skip_pager ?
3300                     prop_atoms.net_wm_state_remove :
3301                     prop_atoms.net_wm_state_add;
3302             else if (state == prop_atoms.net_wm_state_hidden)
3303                 action = self->iconic ?
3304                     prop_atoms.net_wm_state_remove :
3305                     prop_atoms.net_wm_state_add;
3306             else if (state == prop_atoms.net_wm_state_fullscreen)
3307                 action = fullscreen ?
3308                     prop_atoms.net_wm_state_remove :
3309                     prop_atoms.net_wm_state_add;
3310             else if (state == prop_atoms.net_wm_state_above)
3311                 action = self->above ? prop_atoms.net_wm_state_remove :
3312                     prop_atoms.net_wm_state_add;
3313             else if (state == prop_atoms.net_wm_state_below)
3314                 action = self->below ? prop_atoms.net_wm_state_remove :
3315                     prop_atoms.net_wm_state_add;
3316             else if (state == prop_atoms.net_wm_state_demands_attention)
3317                 action = self->demands_attention ?
3318                     prop_atoms.net_wm_state_remove :
3319                     prop_atoms.net_wm_state_add;
3320             else if (state == prop_atoms.ob_wm_state_undecorated)
3321                 action = undecorated ? prop_atoms.net_wm_state_remove :
3322                     prop_atoms.net_wm_state_add;
3323         }
3324
3325         if (action == prop_atoms.net_wm_state_add) {
3326             if (state == prop_atoms.net_wm_state_modal) {
3327                 modal = TRUE;
3328             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3329                 max_vert = TRUE;
3330             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3331                 max_horz = TRUE;
3332             } else if (state == prop_atoms.net_wm_state_shaded) {
3333                 shaded = TRUE;
3334             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3335                 self->skip_taskbar = TRUE;
3336             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3337                 self->skip_pager = TRUE;
3338             } else if (state == prop_atoms.net_wm_state_hidden) {
3339                 iconic = TRUE;
3340             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3341                 fullscreen = TRUE;
3342             } else if (state == prop_atoms.net_wm_state_above) {
3343                 above = TRUE;
3344                 below = FALSE;
3345             } else if (state == prop_atoms.net_wm_state_below) {
3346                 above = FALSE;
3347                 below = TRUE;
3348             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3349                 demands_attention = TRUE;
3350             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3351                 undecorated = TRUE;
3352             }
3353
3354         } else { /* action == prop_atoms.net_wm_state_remove */
3355             if (state == prop_atoms.net_wm_state_modal) {
3356                 modal = FALSE;
3357             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3358                 max_vert = FALSE;
3359             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3360                 max_horz = FALSE;
3361             } else if (state == prop_atoms.net_wm_state_shaded) {
3362                 shaded = FALSE;
3363             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3364                 self->skip_taskbar = FALSE;
3365             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3366                 self->skip_pager = FALSE;
3367             } else if (state == prop_atoms.net_wm_state_hidden) {
3368                 iconic = FALSE;
3369             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3370                 fullscreen = FALSE;
3371             } else if (state == prop_atoms.net_wm_state_above) {
3372                 above = FALSE;
3373             } else if (state == prop_atoms.net_wm_state_below) {
3374                 below = FALSE;
3375             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3376                 demands_attention = FALSE;
3377             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3378                 undecorated = FALSE;
3379             }
3380         }
3381     }
3382
3383     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3384         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3385             /* toggling both */
3386             if (max_horz == max_vert) { /* both going the same way */
3387                 client_maximize(self, max_horz, 0);
3388             } else {
3389                 client_maximize(self, max_horz, 1);
3390                 client_maximize(self, max_vert, 2);
3391             }
3392         } else {
3393             /* toggling one */
3394             if (max_horz != self->max_horz)
3395                 client_maximize(self, max_horz, 1);
3396             else
3397                 client_maximize(self, max_vert, 2);
3398         }
3399     }
3400     /* change fullscreen state before shading, as it will affect if the window
3401        can shade or not */
3402     if (fullscreen != self->fullscreen)
3403         client_fullscreen(self, fullscreen);
3404     if (shaded != self->shaded)
3405         client_shade(self, shaded);
3406     if (undecorated != self->undecorated)
3407         client_set_undecorated(self, undecorated);
3408     if (above != self->above || below != self->below) {
3409         self->above = above;
3410         self->below = below;
3411         client_calc_layer(self);
3412     }
3413
3414     if (modal != self->modal) {
3415         self->modal = modal;
3416         /* when a window changes modality, then its stacking order with its
3417            transients needs to change */
3418         stacking_raise(CLIENT_AS_WINDOW(self));
3419
3420         /* it also may get focused. if something is focused that shouldn't
3421            be focused anymore, then move the focus */
3422         if (focus_client && client_focus_target(focus_client) != focus_client)
3423             client_focus(focus_client);
3424     }
3425
3426     if (iconic != self->iconic)
3427         client_iconify(self, iconic, FALSE, FALSE);
3428
3429     if (demands_attention != self->demands_attention)
3430         client_hilite(self, demands_attention);
3431
3432     client_change_state(self); /* change the hint to reflect these changes */
3433 }
3434
3435 ObClient *client_focus_target(ObClient *self)
3436 {
3437     ObClient *child = NULL;
3438
3439     child = client_search_modal_child(self);
3440     if (child) return child;
3441     return self;
3442 }
3443
3444 gboolean client_can_focus(ObClient *self)
3445 {
3446     /* choose the correct target */
3447     self = client_focus_target(self);
3448
3449     if (!self->frame->visible)
3450         return FALSE;
3451
3452     if (!(self->can_focus || self->focus_notify))
3453         return FALSE;
3454
3455     return TRUE;
3456 }
3457
3458 gboolean client_focus(ObClient *self)
3459 {
3460     /* choose the correct target */
3461     self = client_focus_target(self);
3462
3463     if (!client_can_focus(self)) {
3464         if (!self->frame->visible) {
3465             /* update the focus lists */
3466             focus_order_to_top(self);
3467         }
3468         return FALSE;
3469     }
3470
3471     ob_debug_type(OB_DEBUG_FOCUS,
3472                   "Focusing client \"%s\" at time %u\n",
3473                   self->title, event_curtime);
3474
3475     /* if there is a grab going on, then we need to cancel it. if we move
3476        focus during the grab, applications will get NotifyWhileGrabbed events
3477        and ignore them !
3478
3479        actions should not rely on being able to move focus during an
3480        interactive grab.
3481     */
3482     event_cancel_all_key_grabs();
3483
3484     xerror_set_ignore(TRUE);
3485     xerror_occured = FALSE;
3486
3487     if (self->can_focus) {
3488         /* This can cause a BadMatch error with CurrentTime, or if an app
3489            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3490         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3491                        event_curtime);
3492     }
3493
3494     if (self->focus_notify) {
3495         XEvent ce;
3496         ce.xclient.type = ClientMessage;
3497         ce.xclient.message_type = prop_atoms.wm_protocols;
3498         ce.xclient.display = ob_display;
3499         ce.xclient.window = self->window;
3500         ce.xclient.format = 32;
3501         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3502         ce.xclient.data.l[1] = event_curtime;
3503         ce.xclient.data.l[2] = 0l;
3504         ce.xclient.data.l[3] = 0l;
3505         ce.xclient.data.l[4] = 0l;
3506         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3507     }
3508
3509     xerror_set_ignore(FALSE);
3510
3511     return !xerror_occured;
3512 }
3513
3514 /*! Present the client to the user.
3515   @param raise If the client should be raised or not. You should only set
3516                raise to false if you don't care if the window is completely
3517                hidden.
3518 */
3519 static void client_present(ObClient *self, gboolean here, gboolean raise)
3520 {
3521     /* if using focus_delay, stop the timer now so that focus doesn't
3522        go moving on us */
3523     event_halt_focus_delay();
3524
3525     if (client_normal(self) && screen_showing_desktop)
3526         screen_show_desktop(FALSE, self);
3527     if (self->iconic)
3528         client_iconify(self, FALSE, here, FALSE);
3529     if (self->desktop != DESKTOP_ALL &&
3530         self->desktop != screen_desktop)
3531     {
3532         if (here)
3533             client_set_desktop(self, screen_desktop, FALSE);
3534         else
3535             screen_set_desktop(self->desktop, FALSE);
3536     } else if (!self->frame->visible)
3537         /* if its not visible for other reasons, then don't mess
3538            with it */
3539         return;
3540     if (self->shaded)
3541         client_shade(self, FALSE);
3542     if (raise)
3543         stacking_raise(CLIENT_AS_WINDOW(self));
3544
3545     client_focus(self);
3546 }
3547
3548 void client_activate(ObClient *self, gboolean here, gboolean user)
3549 {
3550     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3551     gboolean allow = FALSE;
3552
3553     /* if the request came from the user, or if nothing is focused, then grant
3554        the request.
3555        if the currently focused app doesn't set a user_time, then it can't
3556        benefit from any focus stealing prevention.
3557     */
3558     if (user || !focus_client || !last_time)
3559         allow = TRUE;
3560     /* otherwise, if they didn't give a time stamp or if it is too old, they
3561        don't get focus */
3562     else
3563         allow = event_curtime && event_time_after(event_curtime, last_time);
3564
3565     ob_debug_type(OB_DEBUG_FOCUS,
3566                   "Want to activate window 0x%x with time %u (last time %u), "
3567                   "source=%s allowing? %d\n",
3568                   self->window, event_curtime, last_time,
3569                   (user ? "user" : "application"), allow);
3570
3571     if (allow)
3572         client_present(self, here, TRUE);
3573     else
3574         /* don't focus it but tell the user it wants attention */
3575         client_hilite(self, TRUE);
3576 }
3577
3578 static void client_bring_helper_windows_recursive(ObClient *self,
3579                                                   guint desktop)
3580 {
3581     GSList *it;
3582
3583     for (it = self->transients; it; it = g_slist_next(it))
3584         client_bring_helper_windows_recursive(it->data, desktop);
3585
3586     if (client_helper(self) &&
3587         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3588     {
3589         client_set_desktop(self, desktop, FALSE);
3590     }
3591 }
3592
3593 void client_bring_helper_windows(ObClient *self)
3594 {
3595     client_bring_helper_windows_recursive(self, self->desktop);
3596 }
3597
3598 gboolean client_focused(ObClient *self)
3599 {
3600     return self == focus_client;
3601 }
3602
3603 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3604 {
3605     guint i;
3606     gulong min_diff, min_i;
3607
3608     if (!self->nicons) {
3609         ObClientIcon *parent = NULL;
3610
3611         if (self->transient_for) {
3612             if (self->transient_for != OB_TRAN_GROUP)
3613                 parent = client_icon_recursive(self->transient_for, w, h);
3614             else {
3615                 GSList *it;
3616                 for (it = self->group->members; it; it = g_slist_next(it)) {
3617                     ObClient *c = it->data;
3618                     if (c != self && !c->transient_for) {
3619                         if ((parent = client_icon_recursive(c, w, h)))
3620                             break;
3621                     }
3622                 }
3623             }
3624         }
3625
3626         return parent;
3627     }
3628
3629     /* some kind of crappy approximation to find the icon closest in size to
3630        what we requested, but icons are generally all the same ratio as
3631        eachother so it's good enough. */
3632
3633     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3634     min_i = 0;
3635
3636     for (i = 1; i < self->nicons; ++i) {
3637         gulong diff;
3638
3639         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3640         if (diff < min_diff) {
3641             min_diff = diff;
3642             min_i = i;
3643         }
3644     }
3645     return &self->icons[min_i];
3646 }
3647
3648 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3649 {
3650     ObClientIcon *ret;
3651     static ObClientIcon deficon;
3652
3653     if (!(ret = client_icon_recursive(self, w, h))) {
3654         deficon.width = deficon.height = 48;
3655         deficon.data = ob_rr_theme->def_win_icon;
3656         ret = &deficon;
3657     }
3658     return ret;
3659 }
3660
3661 void client_set_layer(ObClient *self, gint layer)
3662 {
3663     if (layer < 0) {
3664         self->below = TRUE;
3665         self->above = FALSE;
3666     } else if (layer == 0) {
3667         self->below = self->above = FALSE;
3668     } else {
3669         self->below = FALSE;
3670         self->above = TRUE;
3671     }
3672     client_calc_layer(self);
3673     client_change_state(self); /* reflect this in the state hints */
3674 }
3675
3676 void client_set_undecorated(ObClient *self, gboolean undecorated)
3677 {
3678     if (self->undecorated != undecorated &&
3679         /* don't let it undecorate if the function is missing, but let
3680            it redecorate */
3681         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3682     {
3683         self->undecorated = undecorated;
3684         client_setup_decor_and_functions(self);
3685         client_reconfigure(self); /* show the lack of decorations */
3686         client_change_state(self); /* reflect this in the state hints */
3687     }
3688 }
3689
3690 guint client_monitor(ObClient *self)
3691 {
3692     return screen_find_monitor(&self->frame->area);
3693 }
3694
3695 ObClient *client_search_top_normal_parent(ObClient *self)
3696 {
3697     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3698            client_normal(self->transient_for))
3699         self = self->transient_for;
3700     return self;
3701 }
3702
3703 static GSList *client_search_all_top_parents_internal(ObClient *self,
3704                                                       gboolean bylayer,
3705                                                       ObStackingLayer layer)
3706 {
3707     GSList *ret = NULL;
3708
3709     /* move up the direct transient chain as far as possible */
3710     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3711            (!bylayer || self->transient_for->layer == layer) &&
3712            client_normal(self->transient_for))
3713         self = self->transient_for;
3714
3715     if (!self->transient_for)
3716         ret = g_slist_prepend(ret, self);
3717     else {
3718             GSList *it;
3719
3720             g_assert(self->group);
3721
3722             for (it = self->group->members; it; it = g_slist_next(it)) {
3723                 ObClient *c = it->data;
3724
3725                 if (!c->transient_for && client_normal(c) &&
3726                     (!bylayer || c->layer == layer))
3727                 {
3728                     ret = g_slist_prepend(ret, c);
3729                 }
3730             }
3731
3732             if (ret == NULL) /* no group parents */
3733                 ret = g_slist_prepend(ret, self);
3734     }
3735
3736     return ret;
3737 }
3738
3739 GSList *client_search_all_top_parents(ObClient *self)
3740 {
3741     return client_search_all_top_parents_internal(self, FALSE, 0);
3742 }
3743
3744 GSList *client_search_all_top_parents_layer(ObClient *self)
3745 {
3746     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3747 }
3748
3749 ObClient *client_search_focus_parent(ObClient *self)
3750 {
3751     if (self->transient_for) {
3752         if (self->transient_for != OB_TRAN_GROUP) {
3753             if (client_focused(self->transient_for))
3754                 return self->transient_for;
3755         } else {
3756             GSList *it;
3757
3758             for (it = self->group->members; it; it = g_slist_next(it)) {
3759                 ObClient *c = it->data;
3760
3761                 /* checking transient_for prevents infinate loops! */
3762                 if (c != self && !c->transient_for)
3763                     if (client_focused(c))
3764                         return c;
3765             }
3766         }
3767     }
3768
3769     return NULL;
3770 }
3771
3772 ObClient *client_search_parent(ObClient *self, ObClient *search)
3773 {
3774     if (self->transient_for) {
3775         if (self->transient_for != OB_TRAN_GROUP) {
3776             if (self->transient_for == search)
3777                 return search;
3778         } else {
3779             GSList *it;
3780
3781             for (it = self->group->members; it; it = g_slist_next(it)) {
3782                 ObClient *c = it->data;
3783
3784                 /* checking transient_for prevents infinate loops! */
3785                 if (c != self && !c->transient_for)
3786                     if (c == search)
3787                         return search;
3788             }
3789         }
3790     }
3791
3792     return NULL;
3793 }
3794
3795 ObClient *client_search_transient(ObClient *self, ObClient *search)
3796 {
3797     GSList *sit;
3798
3799     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3800         if (sit->data == search)
3801             return search;
3802         if (client_search_transient(sit->data, search))
3803             return search;
3804     }
3805     return NULL;
3806 }
3807
3808 #define WANT_EDGE(cur, c) \
3809             if(cur == c)                                                      \
3810                 continue;                                                     \
3811             if(!client_normal(cur))                                           \
3812                 continue;                                                     \
3813             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3814                 continue;                                                     \
3815             if(cur->iconic)                                                   \
3816                 continue;
3817
3818 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3819             if ((his_edge_start >= my_edge_start && \
3820                  his_edge_start <= my_edge_end) ||  \
3821                 (my_edge_start >= his_edge_start && \
3822                  my_edge_start <= his_edge_end))    \
3823                 dest = his_offset;
3824
3825 /* finds the nearest edge in the given direction from the current client
3826  * note to self: the edge is the -frame- edge (the actual one), not the
3827  * client edge.
3828  */
3829 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3830 {
3831     gint dest, monitor_dest;
3832     gint my_edge_start, my_edge_end, my_offset;
3833     GList *it;
3834     Rect *a, *monitor;
3835
3836     if(!client_list)
3837         return -1;
3838
3839     a = screen_area(c->desktop);
3840     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3841
3842     switch(dir) {
3843     case OB_DIRECTION_NORTH:
3844         my_edge_start = c->frame->area.x;
3845         my_edge_end = c->frame->area.x + c->frame->area.width;
3846         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3847
3848         /* default: top of screen */
3849         dest = a->y + (hang ? c->frame->area.height : 0);
3850         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3851         /* if the monitor edge comes before the screen edge, */
3852         /* use that as the destination instead. (For xinerama) */
3853         if (monitor_dest != dest && my_offset > monitor_dest)
3854             dest = monitor_dest;
3855
3856         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3857             gint his_edge_start, his_edge_end, his_offset;
3858             ObClient *cur = it->data;
3859
3860             WANT_EDGE(cur, c)
3861
3862             his_edge_start = cur->frame->area.x;
3863             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3864             his_offset = cur->frame->area.y +
3865                          (hang ? 0 : cur->frame->area.height);
3866
3867             if(his_offset + 1 > my_offset)
3868                 continue;
3869
3870             if(his_offset < dest)
3871                 continue;
3872
3873             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3874         }
3875         break;
3876     case OB_DIRECTION_SOUTH:
3877         my_edge_start = c->frame->area.x;
3878         my_edge_end = c->frame->area.x + c->frame->area.width;
3879         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3880
3881         /* default: bottom of screen */
3882         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3883         monitor_dest = monitor->y + monitor->height -
3884                        (hang ? c->frame->area.height : 0);
3885         /* if the monitor edge comes before the screen edge, */
3886         /* use that as the destination instead. (For xinerama) */
3887         if (monitor_dest != dest && my_offset < monitor_dest)
3888             dest = monitor_dest;
3889
3890         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3891             gint his_edge_start, his_edge_end, his_offset;
3892             ObClient *cur = it->data;
3893
3894             WANT_EDGE(cur, c)
3895
3896             his_edge_start = cur->frame->area.x;
3897             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3898             his_offset = cur->frame->area.y +
3899                          (hang ? cur->frame->area.height : 0);
3900
3901
3902             if(his_offset - 1 < my_offset)
3903                 continue;
3904
3905             if(his_offset > dest)
3906                 continue;
3907
3908             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3909         }
3910         break;
3911     case OB_DIRECTION_WEST:
3912         my_edge_start = c->frame->area.y;
3913         my_edge_end = c->frame->area.y + c->frame->area.height;
3914         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3915
3916         /* default: leftmost egde of screen */
3917         dest = a->x + (hang ? c->frame->area.width : 0);
3918         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3919         /* if the monitor edge comes before the screen edge, */
3920         /* use that as the destination instead. (For xinerama) */
3921         if (monitor_dest != dest && my_offset > monitor_dest)
3922             dest = monitor_dest;
3923
3924         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3925             gint his_edge_start, his_edge_end, his_offset;
3926             ObClient *cur = it->data;
3927
3928             WANT_EDGE(cur, c)
3929
3930             his_edge_start = cur->frame->area.y;
3931             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3932             his_offset = cur->frame->area.x +
3933                          (hang ? 0 : cur->frame->area.width);
3934
3935             if(his_offset + 1 > my_offset)
3936                 continue;
3937
3938             if(his_offset < dest)
3939                 continue;
3940
3941             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3942         }
3943        break;
3944     case OB_DIRECTION_EAST:
3945         my_edge_start = c->frame->area.y;
3946         my_edge_end = c->frame->area.y + c->frame->area.height;
3947         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3948
3949         /* default: rightmost edge of screen */
3950         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3951         monitor_dest = monitor->x + monitor->width -
3952                        (hang ? c->frame->area.width : 0);
3953         /* if the monitor edge comes before the screen edge, */
3954         /* use that as the destination instead. (For xinerama) */
3955         if (monitor_dest != dest && my_offset < monitor_dest)
3956             dest = monitor_dest;
3957
3958         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3959             gint his_edge_start, his_edge_end, his_offset;
3960             ObClient *cur = it->data;
3961
3962             WANT_EDGE(cur, c)
3963
3964             his_edge_start = cur->frame->area.y;
3965             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3966             his_offset = cur->frame->area.x +
3967                          (hang ? cur->frame->area.width : 0);
3968
3969             if(his_offset - 1 < my_offset)
3970                 continue;
3971
3972             if(his_offset > dest)
3973                 continue;
3974
3975             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3976         }
3977         break;
3978     case OB_DIRECTION_NORTHEAST:
3979     case OB_DIRECTION_SOUTHEAST:
3980     case OB_DIRECTION_NORTHWEST:
3981     case OB_DIRECTION_SOUTHWEST:
3982         /* not implemented */
3983     default:
3984         g_assert_not_reached();
3985         dest = 0; /* suppress warning */
3986     }
3987     return dest;
3988 }
3989
3990 ObClient* client_under_pointer()
3991 {
3992     gint x, y;
3993     GList *it;
3994     ObClient *ret = NULL;
3995
3996     if (screen_pointer_pos(&x, &y)) {
3997         for (it = stacking_list; it; it = g_list_next(it)) {
3998             if (WINDOW_IS_CLIENT(it->data)) {
3999                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4000                 if (c->frame->visible &&
4001                     /* ignore all animating windows */
4002                     !frame_iconify_animating(c->frame) &&
4003                     RECT_CONTAINS(c->frame->area, x, y))
4004                 {
4005                     ret = c;
4006                     break;
4007                 }
4008             }
4009         }
4010     }
4011     return ret;
4012 }
4013
4014 gboolean client_has_group_siblings(ObClient *self)
4015 {
4016     return self->group && self->group->members->next;
4017 }