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: 0x%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 & USPosition) &&
 431                               client_normal(self) &&
 432                               !self->session));
 433     }
 434
 435     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 436              self->window, placex, placey,
 437              self->area.width, self->area.height);
 438     if (self->session)
 439         ob_debug("  but session requested %d %d instead, overriding\n",
 440                  self->session->x, self->session->y);
 441
 442     /* do this after the window is placed, so the premax/prefullscreen numbers
 443        won't be all wacko!!
 444        also, this moves the window to the position where it has been placed
 445     */
 446     client_apply_startup_state(self);
 447
 448     /* move the client to its placed position, or it it's already there,
 449        generate a ConfigureNotify telling the client where it is.
 450
 451        do this after adjusting the frame. otherwise it gets all weird and
 452        clients don't work right
 453
 454        also do this after applying the startup state so maximize and fullscreen
 455        will get the right sizes and positions if the client is starting with
 456        those states
 457     */
 458     client_configure(self, placex, placey,
 459                      self->area.width, self->area.height,
 460                      self->border_width,
 461                      FALSE, TRUE);
 462
 463
 464     if (activate) {
 465         guint32 last_time = focus_client ?
 466             focus_client->user_time : CurrentTime;
 467
 468         /* This is focus stealing prevention */
 469         ob_debug_type(OB_DEBUG_FOCUS,
 470                       "Want to focus new window 0x%x with time %u "
 471                       "(last time %u)\n",
 472                       self->window, self->user_time, last_time);
 473
 474         /* if it's on another desktop */
 475         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 476             && /* the timestamp is from before you changed desktops */
 477             self->user_time && screen_desktop_user_time &&
 478             !event_time_after(self->user_time, screen_desktop_user_time))
 479         {
 480             activate = FALSE;
 481             ob_debug_type(OB_DEBUG_FOCUS,
 482                           "Not focusing the window because its on another "
 483                           "desktop\n");
 484         }
 485         /* If something is focused, and it's not our relative... */
 486         else if (focus_client && client_search_focus_tree_full(self) == NULL)
 487         {
 488             /* If time stamp is old, don't steal focus */
 489             if (self->user_time && last_time &&
 490                 !event_time_after(self->user_time, last_time))
 491             {
 492                 activate = FALSE;
 493                 ob_debug_type(OB_DEBUG_FOCUS,
 494                               "Not focusing the window because the time is "
 495                               "too old\n");
 496             }
 497             /* If its a transient (and parents aren't focused) and the time
 498                is ambiguous (either the current focus target doesn't have
 499                a timestamp, or they are the same (we probably inherited it
 500                from them) */
 501             else if (self->transient_for != NULL &&
 502                      (!last_time || self->user_time == last_time))
 503             {
 504                 activate = FALSE;
 505                 ob_debug_type(OB_DEBUG_FOCUS,
 506                               "Not focusing the window because it is a "
 507                               "transient, and the time is very ambiguous\n");
 508             }
 509             /* Don't steal focus from globally active clients.
 510                I stole this idea from KWin. It seems nice.
 511              */
 512             else if (!(focus_client->can_focus ||
 513                        focus_client->focus_notify))
 514             {
 515                 activate = FALSE;
 516                 ob_debug_type(OB_DEBUG_FOCUS,
 517                               "Not focusing the window because a globally "
 518                               "active client has focus\n");
 519             }
 520             /* Don't move focus if it's not going to go to this window
 521                anyway */
 522             else if (client_focus_target(self) != self) {
 523                 activate = FALSE;
 524                 ob_debug_type(OB_DEBUG_FOCUS,
 525                               "Not focusing the window because another window "
 526                               "would get the focus anyway\n");
 527             }
 528         }
 529
 530         if (!activate) {
 531             ob_debug_type(OB_DEBUG_FOCUS,
 532                           "Focus stealing prevention activated for %s with "
 533                           "time %u (last time %u)\n",
 534                           self->title, self->user_time, last_time);
 535             /* if the client isn't focused, then hilite it so the user
 536                knows it is there */
 537             client_hilite(self, TRUE);
 538         }
 539     }
 540     else {
 541         /* This may look rather odd. Well it's because new windows are added
 542            to the stacking order non-intrusively. If we're not going to focus
 543            the new window or hilite it, then we raise it to the top. This will
 544            take affect for things that don't get focused like splash screens.
 545            Also if you don't have focus_new enabled, then it's going to get
 546            raised to the top. Legacy begets legacy I guess?
 547         */
 548         if (!client_restore_session_stacking(self))
 549             stacking_raise(CLIENT_AS_WINDOW(self));
 550     }
 551
 552     mouse_grab_for_client(self, TRUE);
 553
 554     /* this has to happen before we try focus the window, but we want it to
 555        happen after the client's stacking has been determined or it looks bad
 556     */
 557     client_show(self);
 558
 559     if (activate) {
 560         gboolean stacked = client_restore_session_stacking(self);
 561         client_present(self, FALSE, !stacked);
 562     }
 563
 564     /* add to client list/map */
 565     client_list = g_list_append(client_list, self);
 566     g_hash_table_insert(window_map, &self->window, self);
 567
 568     /* this has to happen after we're in the client_list */
 569     if (STRUT_EXISTS(self->strut))
 570         screen_update_areas();
 571
 572     /* update the list hints */
 573     client_set_list();
 574
 575     /* free the ObAppSettings shallow copy */
 576     g_free(settings);
 577
 578     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 579              window, self->frame->plate, self->class);
 580
 581     return;
 582 }
 583
 584
 585 ObClient *client_fake_manage(Window window)
 586 {
 587     ObClient *self;
 588     ObAppSettings *settings;
 589
 590     ob_debug("Pretend-managing window: %lx\n", window);
 591
 592     /* do this minimal stuff to figure out the client's decorations */
 593
 594     self = g_new0(ObClient, 1);
 595     self->window = window;
 596
 597     client_get_all(self, FALSE);
 598     /* per-app settings override stuff, and return the settings for other
 599        uses too. this returns a shallow copy that needs to be freed */
 600     settings = client_get_settings_state(self);
 601
 602     client_setup_decor_and_functions(self);
 603
 604     /* create the decoration frame for the client window and adjust its size */
 605     self->frame = frame_new(self);
 606     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 607
 608     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 609              self->frame->size.left, self->frame->size.right,
 610              self->frame->size.top, self->frame->size.bottom);
 611
 612     /* free the ObAppSettings shallow copy */
 613     g_free(settings);
 614
 615     return self;
 616 }
 617
 618 void client_unmanage_all()
 619 {
 620     while (client_list != NULL)
 621         client_unmanage(client_list->data);
 622 }
 623
 624 void client_unmanage(ObClient *self)
 625 {
 626     guint j;
 627     GSList *it;
 628
 629     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 630              self->window, self->frame->plate,
 631              self->class, self->title ? self->title : "");
 632
 633     g_assert(self != NULL);
 634
 635     /* we dont want events no more. do this before hiding the frame so we
 636        don't generate more events */
 637     XSelectInput(ob_display, self->window, NoEventMask);
 638
 639     frame_hide(self->frame);
 640     /* flush to send the hide to the server quickly */
 641     XFlush(ob_display);
 642
 643     /* ignore enter events from the unmap so it doesnt mess with the
 644        focus */
 645     event_ignore_all_queued_enters();
 646
 647     mouse_grab_for_client(self, FALSE);
 648
 649     /* remove the window from our save set */
 650     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 651
 652     /* kill the property windows */
 653     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 654
 655     /* update the focus lists */
 656     focus_order_remove(self);
 657     if (client_focused(self)) {
 658         /* don't leave an invalid focus_client */
 659         focus_client = NULL;
 660     }
 661
 662     client_list = g_list_remove(client_list, self);
 663     stacking_remove(self);
 664     g_hash_table_remove(window_map, &self->window);
 665
 666     /* once the client is out of the list, update the struts to remove its
 667        influence */
 668     if (STRUT_EXISTS(self->strut))
 669         screen_update_areas();
 670
 671     client_call_notifies(self, client_destroy_notifies);
 672
 673     /* tell our parent(s) that we're gone */
 674     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 675         for (it = self->group->members; it; it = g_slist_next(it))
 676             if (it->data != self)
 677                 ((ObClient*)it->data)->transients =
 678                     g_slist_remove(((ObClient*)it->data)->transients,self);
 679     } else if (self->transient_for) {        /* transient of window */
 680         self->transient_for->transients =
 681             g_slist_remove(self->transient_for->transients, self);
 682     }
 683
 684     /* tell our transients that we're gone */
 685     for (it = self->transients; it; it = g_slist_next(it)) {
 686         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 687             ((ObClient*)it->data)->transient_for = NULL;
 688             client_calc_layer(it->data);
 689         }
 690     }
 691
 692     /* remove from its group */
 693     if (self->group) {
 694         group_remove(self->group, self);
 695         self->group = NULL;
 696     }
 697
 698     /* restore the window's original geometry so it is not lost */
 699     {
 700         Rect a;
 701
 702         a = self->area;
 703
 704         if (self->fullscreen)
 705             a = self->pre_fullscreen_area;
 706         else if (self->max_horz || self->max_vert) {
 707             if (self->max_horz) {
 708                 a.x = self->pre_max_area.x;
 709                 a.width = self->pre_max_area.width;
 710             }
 711             if (self->max_vert) {
 712                 a.y = self->pre_max_area.y;
 713                 a.height = self->pre_max_area.height;
 714             }
 715         }
 716
 717         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 718         /* let it be moved and resized no matter what */
 719         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 720         self->decorations = 0; /* unmanaged windows have no decor */
 721
 722         client_move_resize(self, a.x, a.y, a.width, a.height);
 723     }
 724
 725     /* reparent the window out of the frame, and free the frame */
 726     frame_release_client(self->frame);
 727     frame_free(self->frame);
 728     self->frame = NULL;
 729
 730     if (ob_state() != OB_STATE_EXITING) {
 731         /* these values should not be persisted across a window
 732            unmapping/mapping */
 733         PROP_ERASE(self->window, net_wm_desktop);
 734         PROP_ERASE(self->window, net_wm_state);
 735         PROP_ERASE(self->window, wm_state);
 736     } else {
 737         /* if we're left in an unmapped state, the client wont be mapped.
 738            this is bad, since we will no longer be managing the window on
 739            restart */
 740         XMapWindow(ob_display, self->window);
 741     }
 742
 743     /* update the list hints */
 744     client_set_list();
 745
 746     ob_debug("Unmanaged window 0x%lx\n", self->window);
 747
 748     /* free all data allocated in the client struct */
 749     g_slist_free(self->transients);
 750     for (j = 0; j < self->nicons; ++j)
 751         g_free(self->icons[j].data);
 752     if (self->nicons > 0)
 753         g_free(self->icons);
 754     g_free(self->wm_command);
 755     g_free(self->title);
 756     g_free(self->icon_title);
 757     g_free(self->name);
 758     g_free(self->class);
 759     g_free(self->role);
 760     g_free(self->client_machine);
 761     g_free(self->sm_client_id);
 762     g_free(self);
 763 }
 764
 765 void client_fake_unmanage(ObClient *self)
 766 {
 767     /* this is all that got allocated to get the decorations */
 768
 769     frame_free(self->frame);
 770     g_free(self);
 771 }
 772
 773 /*! Returns a new structure containing the per-app settings for this client.
 774   The returned structure needs to be freed with g_free. */
 775 static ObAppSettings *client_get_settings_state(ObClient *self)
 776 {
 777     ObAppSettings *settings;
 778     GSList *it;
 779
 780     settings = config_create_app_settings();
 781
 782     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 783         ObAppSettings *app = it->data;
 784         gboolean match = TRUE;
 785
 786         g_assert(app->name != NULL || app->class != NULL);
 787
 788         /* we know that either name or class is not NULL so it will have to
 789            match to use the rule */
 790         if (app->name &&
 791             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 792             match = FALSE;
 793         else if (app->class &&
 794                 !g_pattern_match(app->class,
 795                                  strlen(self->class), self->class, NULL))
 796             match = FALSE;
 797         else if (app->role &&
 798                  !g_pattern_match(app->role,
 799                                   strlen(self->role), self->role, NULL))
 800             match = FALSE;
 801
 802         if (match) {
 803             ob_debug("Window matching: %s\n", app->name);
 804
 805             /* copy the settings to our struct, overriding the existing
 806                settings if they are not defaults */
 807             config_app_settings_copy_non_defaults(app, settings);
 808         }
 809     }
 810
 811     if (settings->shade != -1)
 812         self->shaded = !!settings->shade;
 813     if (settings->decor != -1)
 814         self->undecorated = !settings->decor;
 815     if (settings->iconic != -1)
 816         self->iconic = !!settings->iconic;
 817     if (settings->skip_pager != -1)
 818         self->skip_pager = !!settings->skip_pager;
 819     if (settings->skip_taskbar != -1)
 820         self->skip_taskbar = !!settings->skip_taskbar;
 821
 822     if (settings->max_vert != -1)
 823         self->max_vert = !!settings->max_vert;
 824     if (settings->max_horz != -1)
 825         self->max_horz = !!settings->max_horz;
 826
 827     if (settings->fullscreen != -1)
 828         self->fullscreen = !!settings->fullscreen;
 829
 830     if (settings->desktop) {
 831         if (settings->desktop == DESKTOP_ALL)
 832             self->desktop = settings->desktop;
 833         else if (settings->desktop > 0 &&
 834                  settings->desktop <= screen_num_desktops)
 835             self->desktop = settings->desktop - 1;
 836     }
 837
 838     if (settings->layer == -1) {
 839         self->below = TRUE;
 840         self->above = FALSE;
 841     }
 842     else if (settings->layer == 0) {
 843         self->below = FALSE;
 844         self->above = FALSE;
 845     }
 846     else if (settings->layer == 1) {
 847         self->below = FALSE;
 848         self->above = TRUE;
 849     }
 850     return settings;
 851 }
 852
 853 static void client_restore_session_state(ObClient *self)
 854 {
 855     GList *it;
 856
 857     ob_debug_type(OB_DEBUG_SM,
 858                   "Restore session for client %s\n", self->title);
 859
 860     if (!(it = session_state_find(self))) {
 861         ob_debug_type(OB_DEBUG_SM,
 862                       "Session data not found for client %s\n", self->title);
 863         return;
 864     }
 865
 866     self->session = it->data;
 867
 868     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 869                   self->title);
 870
 871     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 872     self->positioned = USPosition;
 873     self->sized = USSize;
 874     if (self->session->w > 0)
 875         self->area.width = self->session->w;
 876     if (self->session->h > 0)
 877         self->area.height = self->session->h;
 878     XResizeWindow(ob_display, self->window,
 879                   self->area.width, self->area.height);
 880
 881     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 882                      self->session->desktop :
 883                      MIN(screen_num_desktops - 1, self->session->desktop));
 884     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 885
 886     self->shaded = self->session->shaded;
 887     self->iconic = self->session->iconic;
 888     self->skip_pager = self->session->skip_pager;
 889     self->skip_taskbar = self->session->skip_taskbar;
 890     self->fullscreen = self->session->fullscreen;
 891     self->above = self->session->above;
 892     self->below = self->session->below;
 893     self->max_horz = self->session->max_horz;
 894     self->max_vert = self->session->max_vert;
 895     self->undecorated = self->session->undecorated;
 896 }
 897
 898 static gboolean client_restore_session_stacking(ObClient *self)
 899 {
 900     GList *it, *mypos;
 901
 902     if (!self->session) return FALSE;
 903
 904     mypos = g_list_find(session_saved_state, self->session);
 905     if (!mypos) return FALSE;
 906
 907     /* start above me and look for the first client */
 908     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 909         GList *cit;
 910
 911         for (cit = client_list; cit; cit = g_list_next(cit)) {
 912             ObClient *c = cit->data;
 913             /* found a client that was in the session, so go below it */
 914             if (c->session == it->data) {
 915                 stacking_below(CLIENT_AS_WINDOW(self),
 916                                CLIENT_AS_WINDOW(cit->data));
 917                 return TRUE;
 918             }
 919         }
 920     }
 921     return FALSE;
 922 }
 923
 924 void client_move_onscreen(ObClient *self, gboolean rude)
 925 {
 926     gint x = self->area.x;
 927     gint y = self->area.y;
 928     if (client_find_onscreen(self, &x, &y,
 929                              self->area.width,
 930                              self->area.height, rude)) {
 931         client_move(self, x, y);
 932     }
 933 }
 934
 935 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 936                               gboolean rude)
 937 {
 938     Rect *mon_a, *all_a;
 939     gint ox = *x, oy = *y;
 940     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 941     gint fw, fh;
 942     Rect desired;
 943
 944     RECT_SET(desired, *x, *y, w, h);
 945     all_a = screen_area(self->desktop);
 946     mon_a = screen_area_monitor(self->desktop, screen_find_monitor(&desired));
 947
 948     /* get where the frame would be */
 949     frame_client_gravity(self->frame, x, y, w, h);
 950
 951     /* get the requested size of the window with decorations */
 952     fw = self->frame->size.left + w + self->frame->size.right;
 953     fh = self->frame->size.top + h + self->frame->size.bottom;
 954
 955     /* This makes sure windows aren't entirely outside of the screen so you
 956        can't see them at all.
 957        It makes sure 10% of the window is on the screen at least. At don't let
 958        it move itself off the top of the screen, which would hide the titlebar
 959        on you. (The user can still do this if they want too, it's only limiting
 960        the application.
 961
 962        XXX watch for xinerama dead areas...
 963     */
 964     if (client_normal(self)) {
 965         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 966             *x = all_a->x + all_a->width - fw/10;
 967         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 968             *y = all_a->y + all_a->height - fh/10;
 969         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 970             *x = all_a->x - fw*9/10;
 971         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 972             *y = all_a->y - fw*9/10;
 973     }
 974
 975     /* If rudeness wasn't requested, then figure out of the client is currently
 976        entirely on the screen. If it is, and the position isn't changing by
 977        request, and it is enlarging, then be rude even though it wasn't
 978        requested */
 979     if (!rude) {
 980         Point oldtl, oldtr, oldbl, oldbr;
 981         Point newtl, newtr, newbl, newbr;
 982         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 983
 984         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 985         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 986                   self->frame->area.y + self->frame->area.height - 1);
 987         POINT_SET(oldtr, oldbr.x, oldtl.y);
 988         POINT_SET(oldbl, oldtl.x, oldbr.y);
 989
 990         POINT_SET(newtl, *x, *y);
 991         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 992         POINT_SET(newtr, newbr.x, newtl.y);
 993         POINT_SET(newbl, newtl.x, newbr.y);
 994
 995         /* is it moving or just resizing from some corner? */
 996         stationary_l = oldtl.x == newtl.x;
 997         stationary_r = oldtr.x == newtr.x;
 998         stationary_t = oldtl.y == newtl.y;
 999         stationary_b = oldbl.y == newbl.y;
1000
1001         /* if left edge is growing and didnt move right edge */
1002         if (stationary_r && newtl.x < oldtl.x)
1003             rudel = TRUE;
1004         /* if right edge is growing and didnt move left edge */
1005         if (stationary_l && newtr.x > oldtr.x)
1006             ruder = TRUE;
1007         /* if top edge is growing and didnt move bottom edge */
1008         if (stationary_b && newtl.y < oldtl.y)
1009             rudet = TRUE;
1010         /* if bottom edge is growing and didnt move top edge */
1011         if (stationary_t && newbl.y > oldbl.y)
1012             rudeb = TRUE;
1013     }
1014
1015     /* This here doesn't let windows even a pixel outside the struts/screen.
1016      * When called from client_manage, programs placing themselves are
1017      * forced completely onscreen, while things like
1018      * xterm -geometry resolution-width/2 will work fine. Trying to
1019      * place it completely offscreen will be handled in the above code.
1020      * Sorry for this confused comment, i am tired. */
1021     if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
1022     if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
1023         *x = mon_a->x + MAX(0, mon_a->width - fw);
1024
1025     if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
1026     if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
1027         *y = mon_a->y + MAX(0, mon_a->height - fh);
1028
1029     /* get where the client should be */
1030     frame_frame_gravity(self->frame, x, y, w, h);
1031
1032     return ox != *x || oy != *y;
1033 }
1034
1035 static void client_get_all(ObClient *self, gboolean real)
1036 {
1037     /* this is needed for the frame to set itself up */
1038     client_get_area(self);
1039
1040     /* these things can change the decor and functions of the window */
1041
1042     client_get_mwm_hints(self);
1043     /* this can change the mwmhints for special cases */
1044     client_get_type_and_transientness(self);
1045     client_get_state(self);
1046     client_update_normal_hints(self);
1047
1048     /* get the session related properties, these can change decorations
1049        from per-app settings */
1050     client_get_session_ids(self);
1051
1052     /* now we got everything that can affect the decorations */
1053     if (!real)
1054         return;
1055
1056     /* get this early so we have it for debugging */
1057     client_update_title(self);
1058
1059     client_update_protocols(self);
1060
1061     client_update_wmhints(self);
1062     /* this may have already been called from client_update_wmhints */
1063     if (self->transient_for == NULL)
1064         client_update_transient_for(self);
1065
1066     client_get_startup_id(self);
1067     client_get_desktop(self);/* uses transient data/group/startup id if a
1068                                 desktop is not specified */
1069     client_get_shaped(self);
1070
1071     {
1072         /* a couple type-based defaults for new windows */
1073
1074         /* this makes sure that these windows appear on all desktops */
1075         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1076             self->desktop = DESKTOP_ALL;
1077     }
1078
1079 #ifdef SYNC
1080     client_update_sync_request_counter(self);
1081 #endif
1082
1083     client_get_colormap(self);
1084     client_update_strut(self);
1085     client_update_icons(self);
1086     client_update_user_time_window(self);
1087     if (!self->user_time_window) /* check if this would have been called */
1088         client_update_user_time(self);
1089     client_update_icon_geometry(self);
1090 }
1091
1092 static void client_get_startup_id(ObClient *self)
1093 {
1094     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1095         if (self->group)
1096             PROP_GETS(self->group->leader,
1097                       net_startup_id, utf8, &self->startup_id);
1098 }
1099
1100 static void client_get_area(ObClient *self)
1101 {
1102     XWindowAttributes wattrib;
1103     Status ret;
1104
1105     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1106     g_assert(ret != BadWindow);
1107
1108     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1109     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1110     self->border_width = wattrib.border_width;
1111
1112     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1113              wattrib.width, wattrib.height, wattrib.border_width);
1114 }
1115
1116 static void client_get_desktop(ObClient *self)
1117 {
1118     guint32 d = screen_num_desktops; /* an always-invalid value */
1119
1120     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1121         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1122             self->desktop = screen_num_desktops - 1;
1123         else
1124             self->desktop = d;
1125     } else {
1126         gboolean trdesk = FALSE;
1127
1128         if (self->transient_for) {
1129             if (self->transient_for != OB_TRAN_GROUP) {
1130                 self->desktop = self->transient_for->desktop;
1131                 trdesk = TRUE;
1132             } else {
1133                 /* if all the group is on one desktop, then open it on the
1134                    same desktop */
1135                 GSList *it;
1136                 gboolean first = TRUE;
1137                 guint all = screen_num_desktops; /* not a valid value */
1138
1139                 for (it = self->group->members; it; it = g_slist_next(it)) {
1140                     ObClient *c = it->data;
1141                     if (c != self) {
1142                         if (first) {
1143                             all = c->desktop;
1144                             first = FALSE;
1145                         }
1146                         else if (all != c->desktop)
1147                             all = screen_num_desktops; /* make it invalid */
1148                     }
1149                 }
1150                 if (all != screen_num_desktops) {
1151                     self->desktop = all;
1152                     trdesk = TRUE;
1153                 }
1154             }
1155         }
1156         if (!trdesk) {
1157             /* try get from the startup-notification protocol */
1158             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1159                 if (self->desktop >= screen_num_desktops &&
1160                     self->desktop != DESKTOP_ALL)
1161                     self->desktop = screen_num_desktops - 1;
1162             } else
1163                 /* defaults to the current desktop */
1164                 self->desktop = screen_desktop;
1165         }
1166     }
1167 }
1168
1169 static void client_get_state(ObClient *self)
1170 {
1171     guint32 *state;
1172     guint num;
1173
1174     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1175         gulong i;
1176         for (i = 0; i < num; ++i) {
1177             if (state[i] == prop_atoms.net_wm_state_modal)
1178                 self->modal = TRUE;
1179             else if (state[i] == prop_atoms.net_wm_state_shaded)
1180                 self->shaded = TRUE;
1181             else if (state[i] == prop_atoms.net_wm_state_hidden)
1182                 self->iconic = TRUE;
1183             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1184                 self->skip_taskbar = TRUE;
1185             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1186                 self->skip_pager = TRUE;
1187             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1188                 self->fullscreen = TRUE;
1189             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1190                 self->max_vert = TRUE;
1191             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1192                 self->max_horz = TRUE;
1193             else if (state[i] == prop_atoms.net_wm_state_above)
1194                 self->above = TRUE;
1195             else if (state[i] == prop_atoms.net_wm_state_below)
1196                 self->below = TRUE;
1197             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1198                 self->demands_attention = TRUE;
1199             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1200                 self->undecorated = TRUE;
1201         }
1202
1203         g_free(state);
1204     }
1205 }
1206
1207 static void client_get_shaped(ObClient *self)
1208 {
1209     self->shaped = FALSE;
1210 #ifdef   SHAPE
1211     if (extensions_shape) {
1212         gint foo;
1213         guint ufoo;
1214         gint s;
1215
1216         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1217
1218         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1219                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1220                            &ufoo);
1221         self->shaped = (s != 0);
1222     }
1223 #endif
1224 }
1225
1226 void client_update_transient_for(ObClient *self)
1227 {
1228     Window t = None;
1229     ObClient *target = NULL;
1230
1231     if (XGetTransientForHint(ob_display, self->window, &t)) {
1232         if (t != self->window) { /* cant be transient to itself! */
1233             target = g_hash_table_lookup(window_map, &t);
1234             /* if this happens then we need to check for it*/
1235             g_assert(target != self);
1236             if (target && !WINDOW_IS_CLIENT(target)) {
1237                 /* this can happen when a dialog is a child of
1238                    a dockapp, for example */
1239                 target = NULL;
1240             }
1241
1242             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1243
1244                Setting the transient_for to Root is actually illegal, however
1245                applications from time have done this to specify transient for
1246                their group.
1247
1248                Now you can do that by being a TYPE_DIALOG and not setting
1249                the transient_for hint at all on your window. But people still
1250                use Root, and Kwin is very strange in this regard.
1251
1252                KWin 3.0 will not consider windows with transient_for set to
1253                Root as transient for their group *UNLESS* they are also modal.
1254                In that case, it will make them transient for the group. This
1255                leads to all sorts of weird behavior from KDE apps which are
1256                only tested in KWin. I'd like to follow their behavior just to
1257                make this work right with KDE stuff, but that seems wrong.
1258             */
1259             if (!target && self->group) {
1260                 /* not transient to a client, see if it is transient for a
1261                    group */
1262                 if (t == RootWindow(ob_display, ob_screen)) {
1263                     /* window is a transient for its group! */
1264                     target = OB_TRAN_GROUP;
1265                 }
1266             }
1267         }
1268     } else if (self->transient && self->group)
1269         target = OB_TRAN_GROUP;
1270
1271     client_update_transient_tree(self, self->group, self->group,
1272                                  self->transient_for, target);
1273     self->transient_for = target;
1274
1275 }
1276
1277 static void client_update_transient_tree(ObClient *self,
1278                                          ObGroup *oldgroup, ObGroup *newgroup,
1279                                          ObClient* oldparent,
1280                                          ObClient *newparent)
1281 {
1282     GSList *it, *next;
1283     ObClient *c;
1284
1285     /* * *
1286       Group transient windows are not allowed to have other group
1287       transient windows as their children.
1288       * * */
1289
1290
1291     /* No change has occured */
1292     if (oldgroup == newgroup && oldparent == newparent) return;
1293
1294     /** Remove the client from the transient tree wherever it has changed **/
1295
1296     /* If the window is becoming a direct transient for a window in its group
1297        then any group transients which were our children and are now becoming
1298        our parents need to stop being our children.
1299
1300        Group transients can't be children of group transients already, but
1301        we could have any number of direct parents above up, any of which could
1302        be transient for the group, and we need to remove it from our children.
1303     */
1304     if (oldparent != newparent &&
1305         newparent != NULL && newparent != OB_TRAN_GROUP &&
1306         newgroup != NULL && newgroup == oldgroup)
1307     {
1308         ObClient *look = newparent;
1309         do {
1310             self->transients = g_slist_remove(self->transients, look);
1311             look = look->transient_for;
1312         } while (look != NULL && look != OB_TRAN_GROUP);
1313     }
1314
1315
1316     /* If the group changed, or if we are just becoming transient for the
1317        group, then we need to remove any old group transient windows
1318        from our children. But if we were already transient for the group, then
1319        other group transients are not our children. */
1320     if ((oldgroup != newgroup ||
1321          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1322         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1323     {
1324         for (it = self->transients; it; it = next) {
1325             next = g_slist_next(it);
1326             c = it->data;
1327             if (c->group == oldgroup)
1328                 self->transients = g_slist_delete_link(self->transients, it);
1329         }
1330     }
1331
1332     /* If we used to be transient for a group and now we are not, or we're
1333        transient for a new group, then we need to remove ourselves from all
1334        our ex-parents */
1335     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1336                                        oldparent != newparent))
1337     {
1338         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1339             c = it->data;
1340             if (c != self && (!c->transient_for ||
1341                               c->transient_for != OB_TRAN_GROUP))
1342                 c->transients = g_slist_remove(c->transients, self);
1343         }
1344     }
1345     /* If we used to be transient for a single window and we are no longer
1346        transient for it, then we need to remove ourself from its children */
1347     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1348              oldparent != newparent)
1349         oldparent->transients = g_slist_remove(oldparent->transients, self);
1350
1351
1352     /** Re-add the client to the transient tree wherever it has changed **/
1353
1354     /* If we're now transient for a group and we weren't transient for it
1355        before then we need to add ourselves to all our new parents */
1356     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1357                                        oldparent != newparent))
1358     {
1359         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1360             c = it->data;
1361             if (c != self && (!c->transient_for ||
1362                               c->transient_for != OB_TRAN_GROUP))
1363                 c->transients = g_slist_prepend(c->transients, self);
1364         }
1365     }
1366     /* If we are now transient for a single window which we weren't before,
1367        we need to add ourselves to its children
1368
1369        WARNING: Cyclical transient ness is possible if two windows are
1370        transient for eachother.
1371     */
1372     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1373              newparent != oldparent &&
1374              /* don't make ourself its child if it is already our child */
1375              !client_is_direct_child(self, newparent))
1376         newparent->transients = g_slist_prepend(newparent->transients, self);
1377
1378     /* If the group changed then we need to add any new group transient
1379        windows to our children. But if we're transient for the group, then
1380        other group transients are not our children.
1381
1382        WARNING: Cyclical transient-ness is possible. For e.g. if:
1383        A is transient for the group
1384        B is transient for A
1385        C is transient for B
1386        A can't be transient for C or we have a cycle
1387     */
1388     if (oldgroup != newgroup && newgroup != NULL &&
1389         newparent != OB_TRAN_GROUP)
1390     {
1391         for (it = newgroup->members; it; it = g_slist_next(it)) {
1392             c = it->data;
1393             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1394                 /* Don't make it our child if it is already our parent */
1395                 !client_is_direct_child(c, self))
1396             {
1397                 self->transients = g_slist_prepend(self->transients, c);
1398             }
1399         }
1400     }
1401 }
1402
1403 static void client_get_mwm_hints(ObClient *self)
1404 {
1405     guint num;
1406     guint32 *hints;
1407
1408     self->mwmhints.flags = 0; /* default to none */
1409
1410     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1411                     &hints, &num)) {
1412         if (num >= OB_MWM_ELEMENTS) {
1413             self->mwmhints.flags = hints[0];
1414             self->mwmhints.functions = hints[1];
1415             self->mwmhints.decorations = hints[2];
1416         }
1417         g_free(hints);
1418     }
1419 }
1420
1421 void client_get_type_and_transientness(ObClient *self)
1422 {
1423     guint num, i;
1424     guint32 *val;
1425     Window t;
1426
1427     self->type = -1;
1428     self->transient = FALSE;
1429
1430     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1431         /* use the first value that we know about in the array */
1432         for (i = 0; i < num; ++i) {
1433             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1434                 self->type = OB_CLIENT_TYPE_DESKTOP;
1435             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1436                 self->type = OB_CLIENT_TYPE_DOCK;
1437             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1438                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1439             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1440                 self->type = OB_CLIENT_TYPE_MENU;
1441             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1442                 self->type = OB_CLIENT_TYPE_UTILITY;
1443             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1444                 self->type = OB_CLIENT_TYPE_SPLASH;
1445             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1446                 self->type = OB_CLIENT_TYPE_DIALOG;
1447             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1448                 self->type = OB_CLIENT_TYPE_NORMAL;
1449             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1450                 /* prevent this window from getting any decor or
1451                    functionality */
1452                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1453                                          OB_MWM_FLAG_DECORATIONS);
1454                 self->mwmhints.decorations = 0;
1455                 self->mwmhints.functions = 0;
1456             }
1457             if (self->type != (ObClientType) -1)
1458                 break; /* grab the first legit type */
1459         }
1460         g_free(val);
1461     }
1462
1463     if (XGetTransientForHint(ob_display, self->window, &t))
1464         self->transient = TRUE;
1465
1466     if (self->type == (ObClientType) -1) {
1467         /*the window type hint was not set, which means we either classify
1468           ourself as a normal window or a dialog, depending on if we are a
1469           transient. */
1470         if (self->transient)
1471             self->type = OB_CLIENT_TYPE_DIALOG;
1472         else
1473             self->type = OB_CLIENT_TYPE_NORMAL;
1474     }
1475
1476     /* then, based on our type, we can update our transientness.. */
1477     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1478         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1479         self->type == OB_CLIENT_TYPE_MENU ||
1480         self->type == OB_CLIENT_TYPE_UTILITY)
1481     {
1482         self->transient = TRUE;
1483     }
1484 }
1485
1486 void client_update_protocols(ObClient *self)
1487 {
1488     guint32 *proto;
1489     guint num_return, i;
1490
1491     self->focus_notify = FALSE;
1492     self->delete_window = FALSE;
1493
1494     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1495         for (i = 0; i < num_return; ++i) {
1496             if (proto[i] == prop_atoms.wm_delete_window)
1497                 /* this means we can request the window to close */
1498                 self->delete_window = TRUE;
1499             else if (proto[i] == prop_atoms.wm_take_focus)
1500                 /* if this protocol is requested, then the window will be
1501                    notified whenever we want it to receive focus */
1502                 self->focus_notify = TRUE;
1503 #ifdef SYNC
1504             else if (proto[i] == prop_atoms.net_wm_sync_request)
1505                 /* if this protocol is requested, then resizing the
1506                    window will be synchronized between the frame and the
1507                    client */
1508                 self->sync_request = TRUE;
1509 #endif
1510         }
1511         g_free(proto);
1512     }
1513 }
1514
1515 #ifdef SYNC
1516 void client_update_sync_request_counter(ObClient *self)
1517 {
1518     guint32 i;
1519
1520     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1521         self->sync_counter = i;
1522     } else
1523         self->sync_counter = None;
1524 }
1525 #endif
1526
1527 void client_get_colormap(ObClient *self)
1528 {
1529     XWindowAttributes wa;
1530
1531     if (XGetWindowAttributes(ob_display, self->window, &wa))
1532         client_update_colormap(self, wa.colormap);
1533 }
1534
1535 void client_update_colormap(ObClient *self, Colormap colormap)
1536 {
1537     if (colormap == self->colormap) return;
1538
1539     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1540
1541     if (client_focused(self)) {
1542         screen_install_colormap(self, FALSE); /* uninstall old one */
1543         self->colormap = colormap;
1544         screen_install_colormap(self, FALSE); /* install new one */
1545     } else
1546         self->colormap = colormap;
1547 }
1548
1549 void client_update_normal_hints(ObClient *self)
1550 {
1551     XSizeHints size;
1552     glong ret;
1553
1554     /* defaults */
1555     self->min_ratio = 0.0f;
1556     self->max_ratio = 0.0f;
1557     SIZE_SET(self->size_inc, 1, 1);
1558     SIZE_SET(self->base_size, 0, 0);
1559     SIZE_SET(self->min_size, 0, 0);
1560     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1561
1562     /* get the hints from the window */
1563     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1564         /* normal windows can't request placement! har har
1565         if (!client_normal(self))
1566         */
1567         self->positioned = (size.flags & (PPosition|USPosition));
1568         self->sized = (size.flags & (PSize|USSize));
1569
1570         if (size.flags & PWinGravity)
1571             self->gravity = size.win_gravity;
1572
1573         if (size.flags & PAspect) {
1574             if (size.min_aspect.y)
1575                 self->min_ratio =
1576                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1577             if (size.max_aspect.y)
1578                 self->max_ratio =
1579                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1580         }
1581
1582         if (size.flags & PMinSize)
1583             SIZE_SET(self->min_size, size.min_width, size.min_height);
1584
1585         if (size.flags & PMaxSize)
1586             SIZE_SET(self->max_size, size.max_width, size.max_height);
1587
1588         if (size.flags & PBaseSize)
1589             SIZE_SET(self->base_size, size.base_width, size.base_height);
1590
1591         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1592             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1593     }
1594 }
1595
1596 /*! This needs to be followed by a call to client_configure to make
1597   the changes show */
1598 void client_setup_decor_and_functions(ObClient *self)
1599 {
1600     /* start with everything (cept fullscreen) */
1601     self->decorations =
1602         (OB_FRAME_DECOR_TITLEBAR |
1603          OB_FRAME_DECOR_HANDLE |
1604          OB_FRAME_DECOR_GRIPS |
1605          OB_FRAME_DECOR_BORDER |
1606          OB_FRAME_DECOR_ICON |
1607          OB_FRAME_DECOR_ALLDESKTOPS |
1608          OB_FRAME_DECOR_ICONIFY |
1609          OB_FRAME_DECOR_MAXIMIZE |
1610          OB_FRAME_DECOR_SHADE |
1611          OB_FRAME_DECOR_CLOSE);
1612     self->functions =
1613         (OB_CLIENT_FUNC_RESIZE |
1614          OB_CLIENT_FUNC_MOVE |
1615          OB_CLIENT_FUNC_ICONIFY |
1616          OB_CLIENT_FUNC_MAXIMIZE |
1617          OB_CLIENT_FUNC_SHADE |
1618          OB_CLIENT_FUNC_CLOSE |
1619          OB_CLIENT_FUNC_BELOW |
1620          OB_CLIENT_FUNC_ABOVE |
1621          OB_CLIENT_FUNC_UNDECORATE);
1622
1623     if (!(self->min_size.width < self->max_size.width ||
1624           self->min_size.height < self->max_size.height))
1625         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1626
1627     switch (self->type) {
1628     case OB_CLIENT_TYPE_NORMAL:
1629         /* normal windows retain all of the possible decorations and
1630            functionality, and are the only windows that you can fullscreen */
1631         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1632         break;
1633
1634     case OB_CLIENT_TYPE_DIALOG:
1635     case OB_CLIENT_TYPE_UTILITY:
1636         /* these windows don't have anything added or removed by default */
1637         break;
1638
1639     case OB_CLIENT_TYPE_MENU:
1640     case OB_CLIENT_TYPE_TOOLBAR:
1641         /* these windows can't iconify or maximize */
1642         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1643                                OB_FRAME_DECOR_MAXIMIZE);
1644         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1645                              OB_CLIENT_FUNC_MAXIMIZE);
1646         break;
1647
1648     case OB_CLIENT_TYPE_SPLASH:
1649         /* these don't get get any decorations, and the only thing you can
1650            do with them is move them */
1651         self->decorations = 0;
1652         self->functions = OB_CLIENT_FUNC_MOVE;
1653         break;
1654
1655     case OB_CLIENT_TYPE_DESKTOP:
1656         /* these windows are not manipulated by the window manager */
1657         self->decorations = 0;
1658         self->functions = 0;
1659         break;
1660
1661     case OB_CLIENT_TYPE_DOCK:
1662         /* these windows are not manipulated by the window manager, but they
1663            can set below layer which has a special meaning */
1664         self->decorations = 0;
1665         self->functions = OB_CLIENT_FUNC_BELOW;
1666         break;
1667     }
1668
1669     /* Mwm Hints are applied subtractively to what has already been chosen for
1670        decor and functionality */
1671     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1672         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1673             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1674                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1675             {
1676                 /* if the mwm hints request no handle or title, then all
1677                    decorations are disabled, but keep the border if that's
1678                    specified */
1679                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1680                     self->decorations = OB_FRAME_DECOR_BORDER;
1681                 else
1682                     self->decorations = 0;
1683             }
1684         }
1685     }
1686
1687     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1688         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1689             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1690                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1691             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1692                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1693             /* dont let mwm hints kill any buttons
1694                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1695                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1696                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1697                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1698             */
1699             /* dont let mwm hints kill the close button
1700                if (! (self->mwmhints.functions & MwmFunc_Close))
1701                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1702         }
1703     }
1704
1705     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1706         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1707     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1708         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1709     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1710         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1711
1712     /* can't maximize without moving/resizing */
1713     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1714           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1715           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1716         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1717         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1718     }
1719
1720     if (self->max_horz && self->max_vert) {
1721         /* you can't resize fully maximized windows */
1722         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1723         /* kill the handle on fully maxed windows */
1724         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1725     }
1726
1727     /* If there are no decorations to remove, don't allow the user to try
1728        toggle the state */
1729     if (self->decorations == 0)
1730         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1731
1732     /* finally, the user can have requested no decorations, which overrides
1733        everything (but doesnt give it a border if it doesnt have one) */
1734     if (self->undecorated) {
1735         if (config_theme_keepborder)
1736             self->decorations &= OB_FRAME_DECOR_BORDER;
1737         else
1738             self->decorations = 0;
1739     }
1740
1741     /* if we don't have a titlebar, then we cannot shade! */
1742     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1743         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1744
1745     /* now we need to check against rules for the client's current state */
1746     if (self->fullscreen) {
1747         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1748                             OB_CLIENT_FUNC_FULLSCREEN |
1749                             OB_CLIENT_FUNC_ICONIFY);
1750         self->decorations = 0;
1751     }
1752
1753     client_change_allowed_actions(self);
1754 }
1755
1756 static void client_change_allowed_actions(ObClient *self)
1757 {
1758     gulong actions[12];
1759     gint num = 0;
1760
1761     /* desktop windows are kept on all desktops */
1762     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1763         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1764
1765     if (self->functions & OB_CLIENT_FUNC_SHADE)
1766         actions[num++] = prop_atoms.net_wm_action_shade;
1767     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1768         actions[num++] = prop_atoms.net_wm_action_close;
1769     if (self->functions & OB_CLIENT_FUNC_MOVE)
1770         actions[num++] = prop_atoms.net_wm_action_move;
1771     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1772         actions[num++] = prop_atoms.net_wm_action_minimize;
1773     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1774         actions[num++] = prop_atoms.net_wm_action_resize;
1775     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1776         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1777     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1778         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1779         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1780     }
1781     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1782         actions[num++] = prop_atoms.net_wm_action_above;
1783     if (self->functions & OB_CLIENT_FUNC_BELOW)
1784         actions[num++] = prop_atoms.net_wm_action_below;
1785     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1786         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1787
1788     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1789
1790     /* make sure the window isn't breaking any rules now */
1791
1792     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1793         if (self->frame) client_shade(self, FALSE);
1794         else self->shaded = FALSE;
1795     }
1796     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1797         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1798         else self->iconic = FALSE;
1799     }
1800     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1801         if (self->frame) client_fullscreen(self, FALSE);
1802         else self->fullscreen = FALSE;
1803     }
1804     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1805                                                          self->max_vert)) {
1806         if (self->frame) client_maximize(self, FALSE, 0);
1807         else self->max_vert = self->max_horz = FALSE;
1808     }
1809 }
1810
1811 void client_reconfigure(ObClient *self)
1812 {
1813     client_configure(self, self->area.x, self->area.y,
1814                      self->area.width, self->area.height,
1815                      self->border_width, FALSE, TRUE);
1816 }
1817
1818 void client_update_wmhints(ObClient *self)
1819 {
1820     XWMHints *hints;
1821
1822     /* assume a window takes input if it doesnt specify */
1823     self->can_focus = TRUE;
1824
1825     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1826         gboolean ur;
1827
1828         if (hints->flags & InputHint)
1829             self->can_focus = hints->input;
1830
1831         /* only do this when first managing the window *AND* when we aren't
1832            starting up! */
1833         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1834             if (hints->flags & StateHint)
1835                 self->iconic = hints->initial_state == IconicState;
1836
1837         ur = self->urgent;
1838         self->urgent = (hints->flags & XUrgencyHint);
1839         if (self->urgent && !ur)
1840             client_hilite(self, TRUE);
1841         else if (!self->urgent && ur && self->demands_attention)
1842             client_hilite(self, FALSE);
1843
1844         if (!(hints->flags & WindowGroupHint))
1845             hints->window_group = None;
1846
1847         /* did the group state change? */
1848         if (hints->window_group !=
1849             (self->group ? self->group->leader : None))
1850         {
1851             ObGroup *oldgroup = self->group;
1852
1853             /* remove from the old group if there was one */
1854             if (self->group != NULL) {
1855                 group_remove(self->group, self);
1856                 self->group = NULL;
1857             }
1858
1859             /* add ourself to the group if we have one */
1860             if (hints->window_group != None) {
1861                 self->group = group_add(hints->window_group, self);
1862             }
1863
1864             /* Put ourselves into the new group's transient tree, and remove
1865                ourselves from the old group's */
1866             client_update_transient_tree(self, oldgroup, self->group,
1867                                          self->transient_for,
1868                                          self->transient_for);
1869
1870             /* Lastly, being in a group, or not, can change if the window is
1871                transient for anything.
1872
1873                The logic for this is:
1874                self->transient = TRUE always if the window wants to be
1875                transient for something, even if transient_for was NULL because
1876                it wasn't in a group before.
1877
1878                If transient_for was NULL and oldgroup was NULL we can assume
1879                that when we add the new group, it will become transient for
1880                something.
1881
1882                If transient_for was OB_TRAN_GROUP, then it must have already
1883                had a group. If it is getting a new group, the above call to
1884                client_update_transient_tree has already taken care of
1885                everything ! If it is losing all group status then it will
1886                no longer be transient for anything and that needs to be
1887                updated.
1888             */
1889             if (self->transient &&
1890                 ((self->transient_for == NULL && oldgroup == NULL) ||
1891                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1892                 client_update_transient_for(self);
1893         }
1894
1895         /* the WM_HINTS can contain an icon */
1896         if (hints->flags & IconPixmapHint)
1897             client_update_icons(self);
1898
1899         XFree(hints);
1900     }
1901 }
1902
1903 void client_update_title(ObClient *self)
1904 {
1905     gchar *data = NULL;
1906     gchar *visible = NULL;
1907
1908     g_free(self->title);
1909
1910     /* try netwm */
1911     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1912         /* try old x stuff */
1913         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1914               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1915             if (self->transient) {
1916                 /*
1917                   GNOME alert windows are not given titles:
1918                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1919                 */
1920                 data = g_strdup("");
1921             } else
1922                 data = g_strdup("Unnamed Window");
1923         }
1924     }
1925
1926     if (self->client_machine) {
1927         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1928         g_free(data);
1929     } else
1930         visible = data;
1931
1932     PROP_SETS(self->window, net_wm_visible_name, visible);
1933     self->title = visible;
1934
1935     if (self->frame)
1936         frame_adjust_title(self->frame);
1937
1938     /* update the icon title */
1939     data = NULL;
1940     g_free(self->icon_title);
1941
1942     /* try netwm */
1943     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1944         /* try old x stuff */
1945         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1946               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1947             data = g_strdup(self->title);
1948
1949     if (self->client_machine) {
1950         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1951         g_free(data);
1952     } else
1953         visible = data;
1954
1955     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1956     self->icon_title = visible;
1957 }
1958
1959 void client_update_strut(ObClient *self)
1960 {
1961     guint num;
1962     guint32 *data;
1963     gboolean got = FALSE;
1964     StrutPartial strut;
1965
1966     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1967                     &data, &num)) {
1968         if (num == 12) {
1969             got = TRUE;
1970             STRUT_PARTIAL_SET(strut,
1971                               data[0], data[2], data[1], data[3],
1972                               data[4], data[5], data[8], data[9],
1973                               data[6], data[7], data[10], data[11]);
1974         }
1975         g_free(data);
1976     }
1977
1978     if (!got &&
1979         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1980         if (num == 4) {
1981             const Rect *a;
1982
1983             got = TRUE;
1984
1985             /* use the screen's width/height */
1986             a = screen_physical_area();
1987
1988             STRUT_PARTIAL_SET(strut,
1989                               data[0], data[2], data[1], data[3],
1990                               a->y, a->y + a->height - 1,
1991                               a->x, a->x + a->width - 1,
1992                               a->y, a->y + a->height - 1,
1993                               a->x, a->x + a->width - 1);
1994         }
1995         g_free(data);
1996     }
1997
1998     if (!got)
1999         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2000                           0, 0, 0, 0, 0, 0, 0, 0);
2001
2002     if (!STRUT_EQUAL(strut, self->strut)) {
2003         self->strut = strut;
2004
2005         /* updating here is pointless while we're being mapped cuz we're not in
2006            the client list yet */
2007         if (self->frame)
2008             screen_update_areas();
2009     }
2010 }
2011
2012 void client_update_icons(ObClient *self)
2013 {
2014     guint num;
2015     guint32 *data;
2016     guint w, h, i, j;
2017
2018     for (i = 0; i < self->nicons; ++i)
2019         g_free(self->icons[i].data);
2020     if (self->nicons > 0)
2021         g_free(self->icons);
2022     self->nicons = 0;
2023
2024     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2025         /* figure out how many valid icons are in here */
2026         i = 0;
2027         while (num - i > 2) {
2028             w = data[i++];
2029             h = data[i++];
2030             i += w * h;
2031             if (i > num || w*h == 0) break;
2032             ++self->nicons;
2033         }
2034
2035         self->icons = g_new(ObClientIcon, self->nicons);
2036
2037         /* store the icons */
2038         i = 0;
2039         for (j = 0; j < self->nicons; ++j) {
2040             guint x, y, t;
2041
2042             w = self->icons[j].width = data[i++];
2043             h = self->icons[j].height = data[i++];
2044
2045             if (w*h == 0) continue;
2046
2047             self->icons[j].data = g_new(RrPixel32, w * h);
2048             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2049                 if (x >= w) {
2050                     x = 0;
2051                     ++y;
2052                 }
2053                 self->icons[j].data[t] =
2054                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2055                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2056                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2057                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2058             }
2059             g_assert(i <= num);
2060         }
2061
2062         g_free(data);
2063     } else {
2064         XWMHints *hints;
2065
2066         if ((hints = XGetWMHints(ob_display, self->window))) {
2067             if (hints->flags & IconPixmapHint) {
2068                 self->nicons++;
2069                 self->icons = g_new(ObClientIcon, self->nicons);
2070                 xerror_set_ignore(TRUE);
2071                 if (!RrPixmapToRGBA(ob_rr_inst,
2072                                     hints->icon_pixmap,
2073                                     (hints->flags & IconMaskHint ?
2074                                      hints->icon_mask : None),
2075                                     &self->icons[self->nicons-1].width,
2076                                     &self->icons[self->nicons-1].height,
2077                                     &self->icons[self->nicons-1].data)){
2078                     g_free(&self->icons[self->nicons-1]);
2079                     self->nicons--;
2080                 }
2081                 xerror_set_ignore(FALSE);
2082             }
2083             XFree(hints);
2084         }
2085     }
2086
2087     /* set the default icon onto the window
2088        in theory, this could be a race, but if a window doesn't set an icon
2089        or removes it entirely, it's not very likely it is going to set one
2090        right away afterwards */
2091     if (self->nicons == 0) {
2092         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2093         gulong *data;
2094
2095         data = g_new(gulong, 48*48+2);
2096         data[0] = data[1] =  48;
2097         for (i = 0; i < 48*48; ++i)
2098             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2099                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2100                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2101                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2102         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2103         g_free(data);
2104     } else if (self->frame)
2105         /* don't draw the icon empty if we're just setting one now anyways,
2106            we'll get the property change any second */
2107         frame_adjust_icon(self->frame);
2108 }
2109
2110 void client_update_user_time(ObClient *self)
2111 {
2112     guint32 time;
2113     gboolean got = FALSE;
2114
2115     if (self->user_time_window)
2116         got = PROP_GET32(self->user_time_window,
2117                          net_wm_user_time, cardinal, &time);
2118     if (!got)
2119         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2120
2121     if (got) {
2122         /* we set this every time, not just when it grows, because in practice
2123            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2124            backward we don't want all windows to stop focusing. we'll just
2125            assume noone is setting times older than the last one, cuz that
2126            would be pretty stupid anyways
2127         */
2128         self->user_time = time;
2129
2130         /*ob_debug("window %s user time %u\n", self->title, time);*/
2131     }
2132 }
2133
2134 void client_update_user_time_window(ObClient *self)
2135 {
2136     guint32 w;
2137
2138     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2139         w = None;
2140
2141     if (w != self->user_time_window) {
2142         /* remove the old window */
2143         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2144         self->user_time_window = None;
2145
2146         if (self->group && self->group->leader == w) {
2147             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2148                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2149             /* do it anyways..? */
2150         }
2151         else if (w == self->window) {
2152             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2153                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2154             w = None; /* don't do it */
2155         }
2156
2157         /* add the new window */
2158         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2159         self->user_time_window = w;
2160
2161         /* and update from it */
2162         client_update_user_time(self);
2163     }
2164 }
2165
2166 void client_update_icon_geometry(ObClient *self)
2167 {
2168     guint num;
2169     guint32 *data;
2170
2171     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2172
2173     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2174         && num == 4)
2175     {
2176         /* don't let them set it with an area < 0 */
2177         RECT_SET(self->icon_geometry, data[0], data[1],
2178                  MAX(data[2],0), MAX(data[3],0));
2179     }
2180 }
2181
2182 static void client_get_session_ids(ObClient *self)
2183 {
2184     guint32 leader;
2185     gboolean got;
2186     gchar *s;
2187     gchar **ss;
2188
2189     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2190         leader = None;
2191
2192     /* get the SM_CLIENT_ID */
2193     got = FALSE;
2194     if (leader)
2195         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2196     if (!got)
2197         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2198
2199     /* get the WM_CLASS (name and class). make them "" if they are not
2200        provided */
2201     got = FALSE;
2202     if (leader)
2203         got = PROP_GETSS(leader, wm_class, locale, &ss);
2204     if (!got)
2205         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2206
2207     if (got) {
2208         if (ss[0]) {
2209             self->name = g_strdup(ss[0]);
2210             if (ss[1])
2211                 self->class = g_strdup(ss[1]);
2212         }
2213         g_strfreev(ss);
2214     }
2215
2216     if (self->name == NULL) self->name = g_strdup("");
2217     if (self->class == NULL) self->class = g_strdup("");
2218
2219     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2220     got = FALSE;
2221     if (leader)
2222         got = PROP_GETS(leader, wm_window_role, locale, &s);
2223     if (!got)
2224         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2225
2226     if (got)
2227         self->role = s;
2228     else
2229         self->role = g_strdup("");
2230
2231     /* get the WM_COMMAND */
2232     got = FALSE;
2233
2234     if (leader)
2235         got = PROP_GETSS(leader, wm_command, locale, &ss);
2236     if (!got)
2237         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2238
2239     if (got) {
2240         /* merge/mash them all together */
2241         gchar *merge = NULL;
2242         gint i;
2243
2244         for (i = 0; ss[i]; ++i) {
2245             gchar *tmp = merge;
2246             if (merge)
2247                 merge = g_strconcat(merge, ss[i], NULL);
2248             else
2249                 merge = g_strconcat(ss[i], NULL);
2250             g_free(tmp);
2251         }
2252         g_strfreev(ss);
2253
2254         self->wm_command = merge;
2255     }
2256
2257     /* get the WM_CLIENT_MACHINE */
2258     got = FALSE;
2259     if (leader)
2260         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2261     if (!got)
2262         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2263
2264     if (got) {
2265         gchar localhost[128];
2266
2267         gethostname(localhost, 127);
2268         localhost[127] = '\0';
2269         if (strcmp(localhost, s) != 0)
2270             self->client_machine = s;
2271         else
2272             g_free(s);
2273     }
2274 }
2275
2276 static void client_change_wm_state(ObClient *self)
2277 {
2278     gulong state[2];
2279     glong old;
2280
2281     old = self->wmstate;
2282
2283     if (self->shaded || self->iconic ||
2284         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2285     {
2286         self->wmstate = IconicState;
2287     } else
2288         self->wmstate = NormalState;
2289
2290     if (old != self->wmstate) {
2291         PROP_MSG(self->window, kde_wm_change_state,
2292                  self->wmstate, 1, 0, 0);
2293
2294         state[0] = self->wmstate;
2295         state[1] = None;
2296         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2297     }
2298 }
2299
2300 static void client_change_state(ObClient *self)
2301 {
2302     gulong netstate[11];
2303     guint num;
2304
2305     num = 0;
2306     if (self->modal)
2307         netstate[num++] = prop_atoms.net_wm_state_modal;
2308     if (self->shaded)
2309         netstate[num++] = prop_atoms.net_wm_state_shaded;
2310     if (self->iconic)
2311         netstate[num++] = prop_atoms.net_wm_state_hidden;
2312     if (self->skip_taskbar)
2313         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2314     if (self->skip_pager)
2315         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2316     if (self->fullscreen)
2317         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2318     if (self->max_vert)
2319         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2320     if (self->max_horz)
2321         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2322     if (self->above)
2323         netstate[num++] = prop_atoms.net_wm_state_above;
2324     if (self->below)
2325         netstate[num++] = prop_atoms.net_wm_state_below;
2326     if (self->demands_attention)
2327         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2328     if (self->undecorated)
2329         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2330     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2331
2332     if (self->frame)
2333         frame_adjust_state(self->frame);
2334 }
2335
2336 ObClient *client_search_focus_tree(ObClient *self)
2337 {
2338     GSList *it;
2339     ObClient *ret;
2340
2341     for (it = self->transients; it; it = g_slist_next(it)) {
2342         if (client_focused(it->data)) return it->data;
2343         if ((ret = client_search_focus_tree(it->data))) return ret;
2344     }
2345     return NULL;
2346 }
2347
2348 ObClient *client_search_focus_tree_full(ObClient *self)
2349 {
2350     if (self->transient_for) {
2351         if (self->transient_for != OB_TRAN_GROUP) {
2352             return client_search_focus_tree_full(self->transient_for);
2353         } else {
2354             GSList *it;
2355             gboolean recursed = FALSE;
2356
2357             for (it = self->group->members; it; it = g_slist_next(it))
2358                 if (!((ObClient*)it->data)->transient_for) {
2359                     ObClient *c;
2360                     if ((c = client_search_focus_tree_full(it->data)))
2361                         return c;
2362                     recursed = TRUE;
2363                 }
2364             if (recursed)
2365                 return NULL;
2366         }
2367     }
2368
2369     /* this function checks the whole tree, the client_search_focus_tree~
2370        does not, so we need to check this window */
2371     if (client_focused(self))
2372         return self;
2373     return client_search_focus_tree(self);
2374 }
2375
2376 static ObStackingLayer calc_layer(ObClient *self)
2377 {
2378     ObStackingLayer l;
2379
2380     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2381         l = OB_STACKING_LAYER_DESKTOP;
2382     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2383         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2384         else l = OB_STACKING_LAYER_ABOVE;
2385     }
2386     else if ((self->fullscreen ||
2387               /* No decorations and fills the monitor = oldskool fullscreen.
2388                  But not for maximized windows.
2389               */
2390               (self->decorations == 0 &&
2391                !(self->max_horz && self->max_vert) &&
2392                RECT_EQUAL(self->area,
2393                           *screen_physical_area_monitor
2394                           (client_monitor(self))))) &&
2395              (client_focused(self) || client_search_focus_tree(self)))
2396         l = OB_STACKING_LAYER_FULLSCREEN;
2397     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2398     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2399     else l = OB_STACKING_LAYER_NORMAL;
2400
2401     return l;
2402 }
2403
2404 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2405                                         ObStackingLayer min)
2406 {
2407     ObStackingLayer old, own;
2408     GSList *it;
2409
2410     old = self->layer;
2411     own = calc_layer(self);
2412     self->layer = MAX(own, min);
2413
2414     if (self->layer != old) {
2415         stacking_remove(CLIENT_AS_WINDOW(self));
2416         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2417     }
2418
2419     for (it = self->transients; it; it = g_slist_next(it))
2420         client_calc_layer_recursive(it->data, orig,
2421                                     self->layer);
2422 }
2423
2424 void client_calc_layer(ObClient *self)
2425 {
2426     ObClient *orig;
2427     GSList *it;
2428
2429     orig = self;
2430
2431     /* transients take on the layer of their parents */
2432     it = client_search_all_top_parents(self);
2433
2434     for (; it; it = g_slist_next(it))
2435         client_calc_layer_recursive(it->data, orig, 0);
2436 }
2437
2438 gboolean client_should_show(ObClient *self)
2439 {
2440     if (self->iconic)
2441         return FALSE;
2442     if (client_normal(self) && screen_showing_desktop)
2443         return FALSE;
2444     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2445         return TRUE;
2446
2447     return FALSE;
2448 }
2449
2450 gboolean client_show(ObClient *self)
2451 {
2452     gboolean show = FALSE;
2453
2454     if (client_should_show(self)) {
2455         frame_show(self->frame);
2456         show = TRUE;
2457
2458         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2459            it needs to be in IconicState. This includes when it is on another
2460            desktop!
2461         */
2462         client_change_wm_state(self);
2463     }
2464     return show;
2465 }
2466
2467 gboolean client_hide(ObClient *self)
2468 {
2469     gboolean hide = FALSE;
2470
2471     if (!client_should_show(self)) {
2472         if (self == focus_client) {
2473             /* if there is a grab going on, then we need to cancel it. if we
2474                move focus during the grab, applications will get
2475                NotifyWhileGrabbed events and ignore them !
2476
2477                actions should not rely on being able to move focus during an
2478                interactive grab.
2479             */
2480             event_cancel_all_key_grabs();
2481         }
2482
2483         frame_hide(self->frame);
2484         hide = TRUE;
2485
2486         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2487            it needs to be in IconicState. This includes when it is on another
2488            desktop!
2489         */
2490         client_change_wm_state(self);
2491     }
2492     return hide;
2493 }
2494
2495 void client_showhide(ObClient *self)
2496 {
2497     if (!client_show(self))
2498         client_hide(self);
2499 }
2500
2501 gboolean client_normal(ObClient *self) {
2502     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2503               self->type == OB_CLIENT_TYPE_DOCK ||
2504               self->type == OB_CLIENT_TYPE_SPLASH);
2505 }
2506
2507 gboolean client_helper(ObClient *self)
2508 {
2509     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2510             self->type == OB_CLIENT_TYPE_MENU ||
2511             self->type == OB_CLIENT_TYPE_TOOLBAR);
2512 }
2513
2514 gboolean client_mouse_focusable(ObClient *self)
2515 {
2516     return !(self->type == OB_CLIENT_TYPE_MENU ||
2517              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2518              self->type == OB_CLIENT_TYPE_SPLASH ||
2519              self->type == OB_CLIENT_TYPE_DOCK);
2520 }
2521
2522 gboolean client_enter_focusable(ObClient *self)
2523 {
2524     /* you can focus desktops but it shouldn't on enter */
2525     return (client_mouse_focusable(self) &&
2526             self->type != OB_CLIENT_TYPE_DESKTOP);
2527 }
2528
2529
2530 static void client_apply_startup_state(ObClient *self)
2531 {
2532     /* set the desktop hint, to make sure that it always exists */
2533     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2534
2535     /* these are in a carefully crafted order.. */
2536
2537     if (self->iconic) {
2538         self->iconic = FALSE;
2539         client_iconify(self, TRUE, FALSE, TRUE);
2540     }
2541     if (self->fullscreen) {
2542         self->fullscreen = FALSE;
2543         client_fullscreen(self, TRUE);
2544     }
2545     if (self->undecorated) {
2546         self->undecorated = FALSE;
2547         client_set_undecorated(self, TRUE);
2548     }
2549     if (self->shaded) {
2550         self->shaded = FALSE;
2551         client_shade(self, TRUE);
2552     }
2553     if (self->demands_attention) {
2554         self->demands_attention = FALSE;
2555         client_hilite(self, TRUE);
2556     }
2557
2558     if (self->max_vert && self->max_horz) {
2559         self->max_vert = self->max_horz = FALSE;
2560         client_maximize(self, TRUE, 0);
2561     } else if (self->max_vert) {
2562         self->max_vert = FALSE;
2563         client_maximize(self, TRUE, 2);
2564     } else if (self->max_horz) {
2565         self->max_horz = FALSE;
2566         client_maximize(self, TRUE, 1);
2567     }
2568
2569     /* nothing to do for the other states:
2570        skip_taskbar
2571        skip_pager
2572        modal
2573        above
2574        below
2575     */
2576 }
2577
2578 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2579 {
2580     /* these should be the current values. this is for when you're not moving,
2581        just resizing */
2582     g_assert(*x == self->area.x);
2583     g_assert(oldw == self->area.width);
2584
2585     /* horizontal */
2586     switch (self->gravity) {
2587     default:
2588     case NorthWestGravity:
2589     case WestGravity:
2590     case SouthWestGravity:
2591     case StaticGravity:
2592     case ForgetGravity:
2593         break;
2594     case NorthGravity:
2595     case CenterGravity:
2596     case SouthGravity:
2597         *x -= (neww - oldw) / 2;
2598         break;
2599     case NorthEastGravity:
2600     case EastGravity:
2601     case SouthEastGravity:
2602         *x -= neww - oldw;
2603         break;
2604     }
2605 }
2606
2607 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2608 {
2609     /* these should be the current values. this is for when you're not moving,
2610        just resizing */
2611     g_assert(*y == self->area.y);
2612     g_assert(oldh == self->area.height);
2613
2614     /* vertical */
2615     switch (self->gravity) {
2616     default:
2617     case NorthWestGravity:
2618     case NorthGravity:
2619     case NorthEastGravity:
2620     case StaticGravity:
2621     case ForgetGravity:
2622         break;
2623     case WestGravity:
2624     case CenterGravity:
2625     case EastGravity:
2626         *y -= (newh - oldh) / 2;
2627         break;
2628     case SouthWestGravity:
2629     case SouthGravity:
2630     case SouthEastGravity:
2631         *y -= newh - oldh;
2632         break;
2633     }
2634 }
2635
2636 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2637                           gint *logicalw, gint *logicalh,
2638                           gboolean user)
2639 {
2640     Rect desired_area = {*x, *y, *w, *h};
2641
2642     /* make the frame recalculate its dimentions n shit without changing
2643        anything visible for real, this way the constraints below can work with
2644        the updated frame dimensions. */
2645     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2646
2647     /* work within the prefered sizes given by the window */
2648     if (!(*w == self->area.width && *h == self->area.height)) {
2649         gint basew, baseh, minw, minh;
2650
2651         /* base size is substituted with min size if not specified */
2652         if (self->base_size.width || self->base_size.height) {
2653             basew = self->base_size.width;
2654             baseh = self->base_size.height;
2655         } else {
2656             basew = self->min_size.width;
2657             baseh = self->min_size.height;
2658         }
2659         /* min size is substituted with base size if not specified */
2660         if (self->min_size.width || self->min_size.height) {
2661             minw = self->min_size.width;
2662             minh = self->min_size.height;
2663         } else {
2664             minw = self->base_size.width;
2665             minh = self->base_size.height;
2666         }
2667
2668         /* if this is a user-requested resize, then check against min/max
2669            sizes */
2670
2671         /* smaller than min size or bigger than max size? */
2672         if (*w > self->max_size.width) *w = self->max_size.width;
2673         if (*w < minw) *w = minw;
2674         if (*h > self->max_size.height) *h = self->max_size.height;
2675         if (*h < minh) *h = minh;
2676
2677         *w -= basew;
2678         *h -= baseh;
2679
2680         /* keep to the increments */
2681         *w /= self->size_inc.width;
2682         *h /= self->size_inc.height;
2683
2684         /* you cannot resize to nothing */
2685         if (basew + *w < 1) *w = 1 - basew;
2686         if (baseh + *h < 1) *h = 1 - baseh;
2687
2688         /* save the logical size */
2689         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2690         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2691
2692         *w *= self->size_inc.width;
2693         *h *= self->size_inc.height;
2694
2695         *w += basew;
2696         *h += baseh;
2697
2698         /* adjust the height to match the width for the aspect ratios.
2699            for this, min size is not substituted for base size ever. */
2700         *w -= self->base_size.width;
2701         *h -= self->base_size.height;
2702
2703         if (!self->fullscreen) {
2704             if (self->min_ratio)
2705                 if (*h * self->min_ratio > *w) {
2706                     *h = (gint)(*w / self->min_ratio);
2707
2708                     /* you cannot resize to nothing */
2709                     if (*h < 1) {
2710                         *h = 1;
2711                         *w = (gint)(*h * self->min_ratio);
2712                     }
2713                 }
2714             if (self->max_ratio)
2715                 if (*h * self->max_ratio < *w) {
2716                     *h = (gint)(*w / self->max_ratio);
2717
2718                     /* you cannot resize to nothing */
2719                     if (*h < 1) {
2720                         *h = 1;
2721                         *w = (gint)(*h * self->min_ratio);
2722                     }
2723                 }
2724         }
2725
2726         *w += self->base_size.width;
2727         *h += self->base_size.height;
2728     }
2729
2730     /* gets the frame's position */
2731     frame_client_gravity(self->frame, x, y, *w, *h);
2732
2733     /* these positions are frame positions, not client positions */
2734
2735     /* set the size and position if fullscreen */
2736     if (self->fullscreen) {
2737         Rect *a;
2738         guint i;
2739
2740         i = screen_find_monitor(&desired_area);
2741         a = screen_physical_area_monitor(i);
2742
2743         *x = a->x;
2744         *y = a->y;
2745         *w = a->width;
2746         *h = a->height;
2747
2748         user = FALSE; /* ignore if the client can't be moved/resized when it
2749                          is fullscreening */
2750     } else if (self->max_horz || self->max_vert) {
2751         Rect *a;
2752         guint i;
2753
2754         i = screen_find_monitor(&desired_area);
2755         a = screen_area_monitor(self->desktop, i);
2756
2757         /* set the size and position if maximized */
2758         if (self->max_horz) {
2759             *x = a->x;
2760             *w = a->width - self->frame->size.left - self->frame->size.right;
2761         }
2762         if (self->max_vert) {
2763             *y = a->y;
2764             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2765         }
2766
2767         user = FALSE; /* ignore if the client can't be moved/resized when it
2768                          is maximizing */
2769     }
2770
2771     /* gets the client's position */
2772     frame_frame_gravity(self->frame, x, y, *w, *h);
2773
2774     /* these override the above states! if you cant move you can't move! */
2775     if (user) {
2776         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2777             *x = self->area.x;
2778             *y = self->area.y;
2779         }
2780         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2781             *w = self->area.width;
2782             *h = self->area.height;
2783         }
2784     }
2785
2786     g_assert(*w > 0);
2787     g_assert(*h > 0);
2788 }
2789
2790
2791 void client_configure(ObClient *self, gint x, gint y, gint w, gint h, gint b,
2792                       gboolean user, gboolean final)
2793 {
2794     gint oldw, oldh;
2795     gboolean send_resize_client;
2796     gboolean moved = FALSE, resized = FALSE;
2797     gboolean fmoved, fresized;
2798     guint fdecor = self->frame->decorations;
2799     gboolean fhorz = self->frame->max_horz;
2800     gboolean fvert = self->frame->max_vert;
2801     gint logicalw, logicalh;
2802
2803     /* find the new x, y, width, and height (and logical size) */
2804     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2805
2806     /* set the logical size if things changed */
2807     if (!(w == self->area.width && h == self->area.height))
2808         SIZE_SET(self->logical_size, logicalw, logicalh);
2809
2810     /* figure out if we moved or resized or what */
2811     moved = x != self->area.x || y != self->area.y;
2812     resized = w != self->area.width || h != self->area.height ||
2813         b != self->border_width;
2814
2815     oldw = self->area.width;
2816     oldh = self->area.height;
2817     RECT_SET(self->area, x, y, w, h);
2818     self->border_width = b;
2819
2820     /* for app-requested resizes, always resize if 'resized' is true.
2821        for user-requested ones, only resize if final is true, or when
2822        resizing in redraw mode */
2823     send_resize_client = ((!user && resized) ||
2824                           (user && (final ||
2825                                     (resized && config_resize_redraw))));
2826
2827     /* if the client is enlarging, then resize the client before the frame */
2828     if (send_resize_client && (w > oldw || h > oldh)) {
2829         XWindowChanges changes;
2830         changes.x = -self->border_width;
2831         changes.y = -self->border_width;
2832         changes.width = MAX(w, oldw);
2833         changes.height = MAX(h, oldh);
2834         changes.border_width = self->border_width;
2835         XConfigureWindow(ob_display, self->window,
2836                          CWX|CWY|CWWidth|CWHeight|CWBorderWidth,
2837                          &changes);
2838         /* resize the plate to show the client padding color underneath */
2839         frame_adjust_client_area(self->frame);
2840     }
2841
2842     /* find the frame's dimensions and move/resize it */
2843     fmoved = moved;
2844     fresized = resized;
2845
2846     /* if decorations changed, then readjust everything for the frame */
2847     if (self->decorations != fdecor ||
2848         self->max_horz != fhorz || self->max_vert != fvert)
2849     {
2850         fmoved = fresized = TRUE;
2851     }
2852
2853     /* adjust the frame */
2854     if (fmoved || fresized)
2855         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2856
2857     if ((!user || (user && final)) && !resized)
2858     {
2859         XEvent event;
2860
2861         /* we have reset the client to 0 border width, so don't include
2862            it in these coords */
2863         POINT_SET(self->root_pos,
2864                   self->frame->area.x + self->frame->size.left -
2865                   self->border_width,
2866                   self->frame->area.y + self->frame->size.top -
2867                   self->border_width);
2868
2869         event.type = ConfigureNotify;
2870         event.xconfigure.display = ob_display;
2871         event.xconfigure.event = self->window;
2872         event.xconfigure.window = self->window;
2873
2874         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2875                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2876
2877         /* root window real coords */
2878         event.xconfigure.x = self->root_pos.x;
2879         event.xconfigure.y = self->root_pos.y;
2880         event.xconfigure.width = w;
2881         event.xconfigure.height = h;
2882         event.xconfigure.border_width = self->border_width;
2883         event.xconfigure.above = None;
2884         event.xconfigure.override_redirect = FALSE;
2885         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2886                    FALSE, StructureNotifyMask, &event);
2887     }
2888
2889     /* if the client is shrinking, then resize the frame before the client */
2890     if (send_resize_client && (w <= oldw && h <= oldh)) {
2891         /* resize the plate to show the client padding color underneath */
2892         frame_adjust_client_area(self->frame);
2893
2894         if (send_resize_client) {
2895             XWindowChanges changes;
2896             changes.x = -self->border_width;
2897             changes.y = -self->border_width;
2898             changes.width = w;
2899             changes.height = h;
2900             changes.border_width = self->border_width;
2901             XConfigureWindow(ob_display, self->window,
2902                              CWX|CWY|CWWidth|CWHeight|CWBorderWidth,
2903                              &changes);
2904         }
2905     }
2906
2907     XFlush(ob_display);
2908 }
2909
2910 void client_fullscreen(ObClient *self, gboolean fs)
2911 {
2912     gint x, y, w, h;
2913
2914     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2915         self->fullscreen == fs) return;                   /* already done */
2916
2917     self->fullscreen = fs;
2918     client_change_state(self); /* change the state hints on the client */
2919
2920     if (fs) {
2921         self->pre_fullscreen_area = self->area;
2922         /* if the window is maximized, its area isn't all that meaningful.
2923            save it's premax area instead. */
2924         if (self->max_horz) {
2925             self->pre_fullscreen_area.x = self->pre_max_area.x;
2926             self->pre_fullscreen_area.width = self->pre_max_area.width;
2927         }
2928         if (self->max_vert) {
2929             self->pre_fullscreen_area.y = self->pre_max_area.y;
2930             self->pre_fullscreen_area.height = self->pre_max_area.height;
2931         }
2932
2933         /* these will help configure_full figure out where to fullscreen
2934            the window */
2935         x = self->area.x;
2936         y = self->area.y;
2937         w = self->area.width;
2938         h = self->area.height;
2939     } else {
2940         g_assert(self->pre_fullscreen_area.width > 0 &&
2941                  self->pre_fullscreen_area.height > 0);
2942
2943         x = self->pre_fullscreen_area.x;
2944         y = self->pre_fullscreen_area.y;
2945         w = self->pre_fullscreen_area.width;
2946         h = self->pre_fullscreen_area.height;
2947         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2948     }
2949
2950     client_setup_decor_and_functions(self);
2951
2952     client_move_resize(self, x, y, w, h);
2953
2954     /* and adjust our layer/stacking. do this after resizing the window,
2955        and applying decorations, because windows which fill the screen are
2956        considered "fullscreen" and it affects their layer */
2957     client_calc_layer(self);
2958
2959     if (fs) {
2960         /* try focus us when we go into fullscreen mode */
2961         client_focus(self);
2962     }
2963 }
2964
2965 static void client_iconify_recursive(ObClient *self,
2966                                      gboolean iconic, gboolean curdesk,
2967                                      gboolean hide_animation)
2968 {
2969     GSList *it;
2970     gboolean changed = FALSE;
2971
2972
2973     if (self->iconic != iconic) {
2974         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2975                  self->window);
2976
2977         if (iconic) {
2978             /* don't let non-normal windows iconify along with their parents
2979                or whatever */
2980             if (client_normal(self)) {
2981                 self->iconic = iconic;
2982
2983                 /* update the focus lists.. iconic windows go to the bottom of
2984                    the list */
2985                 focus_order_to_bottom(self);
2986
2987                 changed = TRUE;
2988             }
2989         } else {
2990             self->iconic = iconic;
2991
2992             if (curdesk && self->desktop != screen_desktop &&
2993                 self->desktop != DESKTOP_ALL)
2994                 client_set_desktop(self, screen_desktop, FALSE);
2995
2996             /* this puts it after the current focused window */
2997             focus_order_remove(self);
2998             focus_order_add_new(self);
2999
3000             changed = TRUE;
3001         }
3002     }
3003
3004     if (changed) {
3005         client_change_state(self);
3006         if (config_animate_iconify && !hide_animation)
3007             frame_begin_iconify_animation(self->frame, iconic);
3008         /* do this after starting the animation so it doesn't flash */
3009         client_showhide(self);
3010     }
3011
3012     /* iconify all direct transients, and deiconify all transients
3013        (non-direct too) */
3014     for (it = self->transients; it; it = g_slist_next(it))
3015         if (it->data != self)
3016             if (client_is_direct_child(self, it->data) || !iconic)
3017                 client_iconify_recursive(it->data, iconic, curdesk,
3018                                          hide_animation);
3019 }
3020
3021 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3022                     gboolean hide_animation)
3023 {
3024     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3025         /* move up the transient chain as far as possible first */
3026         self = client_search_top_normal_parent(self);
3027         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3028     }
3029 }
3030
3031 void client_maximize(ObClient *self, gboolean max, gint dir)
3032 {
3033     gint x, y, w, h;
3034
3035     g_assert(dir == 0 || dir == 1 || dir == 2);
3036     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3037
3038     /* check if already done */
3039     if (max) {
3040         if (dir == 0 && self->max_horz && self->max_vert) return;
3041         if (dir == 1 && self->max_horz) return;
3042         if (dir == 2 && self->max_vert) return;
3043     } else {
3044         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3045         if (dir == 1 && !self->max_horz) return;
3046         if (dir == 2 && !self->max_vert) return;
3047     }
3048
3049     /* these will help configure_full figure out which screen to fill with
3050        the window */
3051     x = self->area.x;
3052     y = self->area.y;
3053     w = self->area.width;
3054     h = self->area.height;
3055
3056     if (max) {
3057         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3058             RECT_SET(self->pre_max_area,
3059                      self->area.x, self->pre_max_area.y,
3060                      self->area.width, self->pre_max_area.height);
3061         }
3062         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3063             RECT_SET(self->pre_max_area,
3064                      self->pre_max_area.x, self->area.y,
3065                      self->pre_max_area.width, self->area.height);
3066         }
3067     } else {
3068         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3069             g_assert(self->pre_max_area.width > 0);
3070
3071             x = self->pre_max_area.x;
3072             w = self->pre_max_area.width;
3073
3074             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3075                      0, self->pre_max_area.height);
3076         }
3077         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3078             g_assert(self->pre_max_area.height > 0);
3079
3080             y = self->pre_max_area.y;
3081             h = self->pre_max_area.height;
3082
3083             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3084                      self->pre_max_area.width, 0);
3085         }
3086     }
3087
3088     if (dir == 0 || dir == 1) /* horz */
3089         self->max_horz = max;
3090     if (dir == 0 || dir == 2) /* vert */
3091         self->max_vert = max;
3092
3093     client_change_state(self); /* change the state hints on the client */
3094
3095     client_setup_decor_and_functions(self);
3096
3097     client_move_resize(self, x, y, w, h);
3098 }
3099
3100 void client_shade(ObClient *self, gboolean shade)
3101 {
3102     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3103          shade) ||                         /* can't shade */
3104         self->shaded == shade) return;     /* already done */
3105
3106     self->shaded = shade;
3107     client_change_state(self);
3108     client_change_wm_state(self); /* the window is being hidden/shown */
3109     /* resize the frame to just the titlebar */
3110     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3111 }
3112
3113 void client_close(ObClient *self)
3114 {
3115     XEvent ce;
3116
3117     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3118
3119     /* in the case that the client provides no means to requesting that it
3120        close, we just kill it */
3121     if (!self->delete_window)
3122         client_kill(self);
3123
3124     /*
3125       XXX: itd be cool to do timeouts and shit here for killing the client's
3126       process off
3127       like... if the window is around after 5 seconds, then the close button
3128       turns a nice red, and if this function is called again, the client is
3129       explicitly killed.
3130     */
3131
3132     ce.xclient.type = ClientMessage;
3133     ce.xclient.message_type =  prop_atoms.wm_protocols;
3134     ce.xclient.display = ob_display;
3135     ce.xclient.window = self->window;
3136     ce.xclient.format = 32;
3137     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3138     ce.xclient.data.l[1] = event_curtime;
3139     ce.xclient.data.l[2] = 0l;
3140     ce.xclient.data.l[3] = 0l;
3141     ce.xclient.data.l[4] = 0l;
3142     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3143 }
3144
3145 void client_kill(ObClient *self)
3146 {
3147     XKillClient(ob_display, self->window);
3148 }
3149
3150 void client_hilite(ObClient *self, gboolean hilite)
3151 {
3152     if (self->demands_attention == hilite)
3153         return; /* no change */
3154
3155     /* don't allow focused windows to hilite */
3156     self->demands_attention = hilite && !client_focused(self);
3157     if (self->frame != NULL) { /* if we're mapping, just set the state */
3158         if (self->demands_attention)
3159             frame_flash_start(self->frame);
3160         else
3161             frame_flash_stop(self->frame);
3162         client_change_state(self);
3163     }
3164 }
3165
3166 void client_set_desktop_recursive(ObClient *self,
3167                                   guint target,
3168                                   gboolean donthide)
3169 {
3170     guint old;
3171     GSList *it;
3172
3173     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3174
3175         ob_debug("Setting desktop %u\n", target+1);
3176
3177         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3178
3179         old = self->desktop;
3180         self->desktop = target;
3181         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3182         /* the frame can display the current desktop state */
3183         frame_adjust_state(self->frame);
3184         /* 'move' the window to the new desktop */
3185         if (!donthide)
3186             client_showhide(self);
3187         /* raise if it was not already on the desktop */
3188         if (old != DESKTOP_ALL)
3189             stacking_raise(CLIENT_AS_WINDOW(self));
3190         if (STRUT_EXISTS(self->strut))
3191             screen_update_areas();
3192     }
3193
3194     /* move all transients */
3195     for (it = self->transients; it; it = g_slist_next(it))
3196         if (it->data != self)
3197             if (client_is_direct_child(self, it->data))
3198                 client_set_desktop_recursive(it->data, target, donthide);
3199 }
3200
3201 void client_set_desktop(ObClient *self, guint target,
3202                         gboolean donthide)
3203 {
3204     self = client_search_top_normal_parent(self);
3205     client_set_desktop_recursive(self, target, donthide);
3206 }
3207
3208 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3209 {
3210     while (child != parent &&
3211            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3212         child = child->transient_for;
3213     return child == parent;
3214 }
3215
3216 ObClient *client_search_modal_child(ObClient *self)
3217 {
3218     GSList *it;
3219     ObClient *ret;
3220
3221     for (it = self->transients; it; it = g_slist_next(it)) {
3222         ObClient *c = it->data;
3223         if ((ret = client_search_modal_child(c))) return ret;
3224         if (c->modal) return c;
3225     }
3226     return NULL;
3227 }
3228
3229 gboolean client_validate(ObClient *self)
3230 {
3231     XEvent e;
3232
3233     XSync(ob_display, FALSE); /* get all events on the server */
3234
3235     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3236         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3237         XPutBackEvent(ob_display, &e);
3238         return FALSE;
3239     }
3240
3241     return TRUE;
3242 }
3243
3244 void client_set_wm_state(ObClient *self, glong state)
3245 {
3246     if (state == self->wmstate) return; /* no change */
3247
3248     switch (state) {
3249     case IconicState:
3250         client_iconify(self, TRUE, TRUE, FALSE);
3251         break;
3252     case NormalState:
3253         client_iconify(self, FALSE, TRUE, FALSE);
3254         break;
3255     }
3256 }
3257
3258 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3259 {
3260     gboolean shaded = self->shaded;
3261     gboolean fullscreen = self->fullscreen;
3262     gboolean undecorated = self->undecorated;
3263     gboolean max_horz = self->max_horz;
3264     gboolean max_vert = self->max_vert;
3265     gboolean modal = self->modal;
3266     gboolean iconic = self->iconic;
3267     gboolean demands_attention = self->demands_attention;
3268     gboolean above = self->above;
3269     gboolean below = self->below;
3270     gint i;
3271
3272     if (!(action == prop_atoms.net_wm_state_add ||
3273           action == prop_atoms.net_wm_state_remove ||
3274           action == prop_atoms.net_wm_state_toggle))
3275         /* an invalid action was passed to the client message, ignore it */
3276         return;
3277
3278     for (i = 0; i < 2; ++i) {
3279         Atom state = i == 0 ? data1 : data2;
3280
3281         if (!state) continue;
3282
3283         /* if toggling, then pick whether we're adding or removing */
3284         if (action == prop_atoms.net_wm_state_toggle) {
3285             if (state == prop_atoms.net_wm_state_modal)
3286                 action = modal ? prop_atoms.net_wm_state_remove :
3287                     prop_atoms.net_wm_state_add;
3288             else if (state == prop_atoms.net_wm_state_maximized_vert)
3289                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3290                     prop_atoms.net_wm_state_add;
3291             else if (state == prop_atoms.net_wm_state_maximized_horz)
3292                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3293                     prop_atoms.net_wm_state_add;
3294             else if (state == prop_atoms.net_wm_state_shaded)
3295                 action = shaded ? prop_atoms.net_wm_state_remove :
3296                     prop_atoms.net_wm_state_add;
3297             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3298                 action = self->skip_taskbar ?
3299                     prop_atoms.net_wm_state_remove :
3300                     prop_atoms.net_wm_state_add;
3301             else if (state == prop_atoms.net_wm_state_skip_pager)
3302                 action = self->skip_pager ?
3303                     prop_atoms.net_wm_state_remove :
3304                     prop_atoms.net_wm_state_add;
3305             else if (state == prop_atoms.net_wm_state_hidden)
3306                 action = self->iconic ?
3307                     prop_atoms.net_wm_state_remove :
3308                     prop_atoms.net_wm_state_add;
3309             else if (state == prop_atoms.net_wm_state_fullscreen)
3310                 action = fullscreen ?
3311                     prop_atoms.net_wm_state_remove :
3312                     prop_atoms.net_wm_state_add;
3313             else if (state == prop_atoms.net_wm_state_above)
3314                 action = self->above ? prop_atoms.net_wm_state_remove :
3315                     prop_atoms.net_wm_state_add;
3316             else if (state == prop_atoms.net_wm_state_below)
3317                 action = self->below ? prop_atoms.net_wm_state_remove :
3318                     prop_atoms.net_wm_state_add;
3319             else if (state == prop_atoms.net_wm_state_demands_attention)
3320                 action = self->demands_attention ?
3321                     prop_atoms.net_wm_state_remove :
3322                     prop_atoms.net_wm_state_add;
3323             else if (state == prop_atoms.ob_wm_state_undecorated)
3324                 action = undecorated ? prop_atoms.net_wm_state_remove :
3325                     prop_atoms.net_wm_state_add;
3326         }
3327
3328         if (action == prop_atoms.net_wm_state_add) {
3329             if (state == prop_atoms.net_wm_state_modal) {
3330                 modal = TRUE;
3331             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3332                 max_vert = TRUE;
3333             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3334                 max_horz = TRUE;
3335             } else if (state == prop_atoms.net_wm_state_shaded) {
3336                 shaded = TRUE;
3337             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3338                 self->skip_taskbar = TRUE;
3339             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3340                 self->skip_pager = TRUE;
3341             } else if (state == prop_atoms.net_wm_state_hidden) {
3342                 iconic = TRUE;
3343             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3344                 fullscreen = TRUE;
3345             } else if (state == prop_atoms.net_wm_state_above) {
3346                 above = TRUE;
3347                 below = FALSE;
3348             } else if (state == prop_atoms.net_wm_state_below) {
3349                 above = FALSE;
3350                 below = TRUE;
3351             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3352                 demands_attention = TRUE;
3353             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3354                 undecorated = TRUE;
3355             }
3356
3357         } else { /* action == prop_atoms.net_wm_state_remove */
3358             if (state == prop_atoms.net_wm_state_modal) {
3359                 modal = FALSE;
3360             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3361                 max_vert = FALSE;
3362             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3363                 max_horz = FALSE;
3364             } else if (state == prop_atoms.net_wm_state_shaded) {
3365                 shaded = FALSE;
3366             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3367                 self->skip_taskbar = FALSE;
3368             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3369                 self->skip_pager = FALSE;
3370             } else if (state == prop_atoms.net_wm_state_hidden) {
3371                 iconic = FALSE;
3372             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3373                 fullscreen = FALSE;
3374             } else if (state == prop_atoms.net_wm_state_above) {
3375                 above = FALSE;
3376             } else if (state == prop_atoms.net_wm_state_below) {
3377                 below = FALSE;
3378             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3379                 demands_attention = FALSE;
3380             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3381                 undecorated = FALSE;
3382             }
3383         }
3384     }
3385
3386     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3387         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3388             /* toggling both */
3389             if (max_horz == max_vert) { /* both going the same way */
3390                 client_maximize(self, max_horz, 0);
3391             } else {
3392                 client_maximize(self, max_horz, 1);
3393                 client_maximize(self, max_vert, 2);
3394             }
3395         } else {
3396             /* toggling one */
3397             if (max_horz != self->max_horz)
3398                 client_maximize(self, max_horz, 1);
3399             else
3400                 client_maximize(self, max_vert, 2);
3401         }
3402     }
3403     /* change fullscreen state before shading, as it will affect if the window
3404        can shade or not */
3405     if (fullscreen != self->fullscreen)
3406         client_fullscreen(self, fullscreen);
3407     if (shaded != self->shaded)
3408         client_shade(self, shaded);
3409     if (undecorated != self->undecorated)
3410         client_set_undecorated(self, undecorated);
3411     if (above != self->above || below != self->below) {
3412         self->above = above;
3413         self->below = below;
3414         client_calc_layer(self);
3415     }
3416
3417     if (modal != self->modal) {
3418         self->modal = modal;
3419         /* when a window changes modality, then its stacking order with its
3420            transients needs to change */
3421         stacking_raise(CLIENT_AS_WINDOW(self));
3422
3423         /* it also may get focused. if something is focused that shouldn't
3424            be focused anymore, then move the focus */
3425         if (focus_client && client_focus_target(focus_client) != focus_client)
3426             client_focus(focus_client);
3427     }
3428
3429     if (iconic != self->iconic)
3430         client_iconify(self, iconic, FALSE, FALSE);
3431
3432     if (demands_attention != self->demands_attention)
3433         client_hilite(self, demands_attention);
3434
3435     client_change_state(self); /* change the hint to reflect these changes */
3436 }
3437
3438 ObClient *client_focus_target(ObClient *self)
3439 {
3440     ObClient *child = NULL;
3441
3442     child = client_search_modal_child(self);
3443     if (child) return child;
3444     return self;
3445 }
3446
3447 gboolean client_can_focus(ObClient *self)
3448 {
3449     /* choose the correct target */
3450     self = client_focus_target(self);
3451
3452     if (!self->frame->visible)
3453         return FALSE;
3454
3455     if (!(self->can_focus || self->focus_notify))
3456         return FALSE;
3457
3458     return TRUE;
3459 }
3460
3461 gboolean client_focus(ObClient *self)
3462 {
3463     /* choose the correct target */
3464     self = client_focus_target(self);
3465
3466     if (!client_can_focus(self)) {
3467         if (!self->frame->visible) {
3468             /* update the focus lists */
3469             focus_order_to_top(self);
3470         }
3471         return FALSE;
3472     }
3473
3474     ob_debug_type(OB_DEBUG_FOCUS,
3475                   "Focusing client \"%s\" (0x%x) at time %u\n",
3476                   self->title, self->window, event_curtime);
3477
3478     /* if there is a grab going on, then we need to cancel it. if we move
3479        focus during the grab, applications will get NotifyWhileGrabbed events
3480        and ignore them !
3481
3482        actions should not rely on being able to move focus during an
3483        interactive grab.
3484     */
3485     event_cancel_all_key_grabs();
3486
3487     xerror_set_ignore(TRUE);
3488     xerror_occured = FALSE;
3489
3490     if (self->can_focus) {
3491         /* This can cause a BadMatch error with CurrentTime, or if an app
3492            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3493         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3494                        event_curtime);
3495     }
3496
3497     if (self->focus_notify) {
3498         XEvent ce;
3499         ce.xclient.type = ClientMessage;
3500         ce.xclient.message_type = prop_atoms.wm_protocols;
3501         ce.xclient.display = ob_display;
3502         ce.xclient.window = self->window;
3503         ce.xclient.format = 32;
3504         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3505         ce.xclient.data.l[1] = event_curtime;
3506         ce.xclient.data.l[2] = 0l;
3507         ce.xclient.data.l[3] = 0l;
3508         ce.xclient.data.l[4] = 0l;
3509         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3510     }
3511
3512     xerror_set_ignore(FALSE);
3513
3514     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3515     return !xerror_occured;
3516 }
3517
3518 /*! Present the client to the user.
3519   @param raise If the client should be raised or not. You should only set
3520                raise to false if you don't care if the window is completely
3521                hidden.
3522 */
3523 static void client_present(ObClient *self, gboolean here, gboolean raise)
3524 {
3525     /* if using focus_delay, stop the timer now so that focus doesn't
3526        go moving on us */
3527     event_halt_focus_delay();
3528
3529     if (client_normal(self) && screen_showing_desktop)
3530         screen_show_desktop(FALSE, self);
3531     if (self->iconic)
3532         client_iconify(self, FALSE, here, FALSE);
3533     if (self->desktop != DESKTOP_ALL &&
3534         self->desktop != screen_desktop)
3535     {
3536         if (here)
3537             client_set_desktop(self, screen_desktop, FALSE);
3538         else
3539             screen_set_desktop(self->desktop, FALSE);
3540     } else if (!self->frame->visible)
3541         /* if its not visible for other reasons, then don't mess
3542            with it */
3543         return;
3544     if (self->shaded)
3545         client_shade(self, FALSE);
3546     if (raise)
3547         stacking_raise(CLIENT_AS_WINDOW(self));
3548
3549     client_focus(self);
3550 }
3551
3552 void client_activate(ObClient *self, gboolean here, gboolean user)
3553 {
3554     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3555     gboolean allow = FALSE;
3556
3557     /* if the request came from the user, or if nothing is focused, then grant
3558        the request.
3559        if the currently focused app doesn't set a user_time, then it can't
3560        benefit from any focus stealing prevention.
3561     */
3562     if (user || !focus_client || !last_time)
3563         allow = TRUE;
3564     /* otherwise, if they didn't give a time stamp or if it is too old, they
3565        don't get focus */
3566     else
3567         allow = event_curtime && event_time_after(event_curtime, last_time);
3568
3569     ob_debug_type(OB_DEBUG_FOCUS,
3570                   "Want to activate window 0x%x with time %u (last time %u), "
3571                   "source=%s allowing? %d\n",
3572                   self->window, event_curtime, last_time,
3573                   (user ? "user" : "application"), allow);
3574
3575     if (allow)
3576         client_present(self, here, TRUE);
3577     else
3578         /* don't focus it but tell the user it wants attention */
3579         client_hilite(self, TRUE);
3580 }
3581
3582 static void client_bring_helper_windows_recursive(ObClient *self,
3583                                                   guint desktop)
3584 {
3585     GSList *it;
3586
3587     for (it = self->transients; it; it = g_slist_next(it))
3588         client_bring_helper_windows_recursive(it->data, desktop);
3589
3590     if (client_helper(self) &&
3591         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3592     {
3593         client_set_desktop(self, desktop, FALSE);
3594     }
3595 }
3596
3597 void client_bring_helper_windows(ObClient *self)
3598 {
3599     client_bring_helper_windows_recursive(self, self->desktop);
3600 }
3601
3602 gboolean client_focused(ObClient *self)
3603 {
3604     return self == focus_client;
3605 }
3606
3607 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3608 {
3609     guint i;
3610     gulong min_diff, min_i;
3611
3612     if (!self->nicons) {
3613         ObClientIcon *parent = NULL;
3614
3615         if (self->transient_for) {
3616             if (self->transient_for != OB_TRAN_GROUP)
3617                 parent = client_icon_recursive(self->transient_for, w, h);
3618             else {
3619                 GSList *it;
3620                 for (it = self->group->members; it; it = g_slist_next(it)) {
3621                     ObClient *c = it->data;
3622                     if (c != self && !c->transient_for) {
3623                         if ((parent = client_icon_recursive(c, w, h)))
3624                             break;
3625                     }
3626                 }
3627             }
3628         }
3629
3630         return parent;
3631     }
3632
3633     /* some kind of crappy approximation to find the icon closest in size to
3634        what we requested, but icons are generally all the same ratio as
3635        eachother so it's good enough. */
3636
3637     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3638     min_i = 0;
3639
3640     for (i = 1; i < self->nicons; ++i) {
3641         gulong diff;
3642
3643         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3644         if (diff < min_diff) {
3645             min_diff = diff;
3646             min_i = i;
3647         }
3648     }
3649     return &self->icons[min_i];
3650 }
3651
3652 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3653 {
3654     ObClientIcon *ret;
3655     static ObClientIcon deficon;
3656
3657     if (!(ret = client_icon_recursive(self, w, h))) {
3658         deficon.width = deficon.height = 48;
3659         deficon.data = ob_rr_theme->def_win_icon;
3660         ret = &deficon;
3661     }
3662     return ret;
3663 }
3664
3665 void client_set_layer(ObClient *self, gint layer)
3666 {
3667     if (layer < 0) {
3668         self->below = TRUE;
3669         self->above = FALSE;
3670     } else if (layer == 0) {
3671         self->below = self->above = FALSE;
3672     } else {
3673         self->below = FALSE;
3674         self->above = TRUE;
3675     }
3676     client_calc_layer(self);
3677     client_change_state(self); /* reflect this in the state hints */
3678 }
3679
3680 void client_set_undecorated(ObClient *self, gboolean undecorated)
3681 {
3682     if (self->undecorated != undecorated &&
3683         /* don't let it undecorate if the function is missing, but let
3684            it redecorate */
3685         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3686     {
3687         self->undecorated = undecorated;
3688         client_setup_decor_and_functions(self);
3689         client_reconfigure(self); /* show the lack of decorations */
3690         client_change_state(self); /* reflect this in the state hints */
3691     }
3692 }
3693
3694 guint client_monitor(ObClient *self)
3695 {
3696     return screen_find_monitor(&self->frame->area);
3697 }
3698
3699 ObClient *client_search_top_normal_parent(ObClient *self)
3700 {
3701     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3702            client_normal(self->transient_for))
3703         self = self->transient_for;
3704     return self;
3705 }
3706
3707 static GSList *client_search_all_top_parents_internal(ObClient *self,
3708                                                       gboolean bylayer,
3709                                                       ObStackingLayer layer)
3710 {
3711     GSList *ret = NULL;
3712
3713     /* move up the direct transient chain as far as possible */
3714     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3715            (!bylayer || self->transient_for->layer == layer) &&
3716            client_normal(self->transient_for))
3717         self = self->transient_for;
3718
3719     if (!self->transient_for)
3720         ret = g_slist_prepend(ret, self);
3721     else {
3722             GSList *it;
3723
3724             g_assert(self->group);
3725
3726             for (it = self->group->members; it; it = g_slist_next(it)) {
3727                 ObClient *c = it->data;
3728
3729                 if (!c->transient_for && client_normal(c) &&
3730                     (!bylayer || c->layer == layer))
3731                 {
3732                     ret = g_slist_prepend(ret, c);
3733                 }
3734             }
3735
3736             if (ret == NULL) /* no group parents */
3737                 ret = g_slist_prepend(ret, self);
3738     }
3739
3740     return ret;
3741 }
3742
3743 GSList *client_search_all_top_parents(ObClient *self)
3744 {
3745     return client_search_all_top_parents_internal(self, FALSE, 0);
3746 }
3747
3748 GSList *client_search_all_top_parents_layer(ObClient *self)
3749 {
3750     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3751 }
3752
3753 ObClient *client_search_focus_parent(ObClient *self)
3754 {
3755     if (self->transient_for) {
3756         if (self->transient_for != OB_TRAN_GROUP) {
3757             if (client_focused(self->transient_for))
3758                 return self->transient_for;
3759         } else {
3760             GSList *it;
3761
3762             for (it = self->group->members; it; it = g_slist_next(it)) {
3763                 ObClient *c = it->data;
3764
3765                 /* checking transient_for prevents infinate loops! */
3766                 if (c != self && !c->transient_for)
3767                     if (client_focused(c))
3768                         return c;
3769             }
3770         }
3771     }
3772
3773     return NULL;
3774 }
3775
3776 ObClient *client_search_parent(ObClient *self, ObClient *search)
3777 {
3778     if (self->transient_for) {
3779         if (self->transient_for != OB_TRAN_GROUP) {
3780             if (self->transient_for == search)
3781                 return search;
3782         } else {
3783             GSList *it;
3784
3785             for (it = self->group->members; it; it = g_slist_next(it)) {
3786                 ObClient *c = it->data;
3787
3788                 /* checking transient_for prevents infinate loops! */
3789                 if (c != self && !c->transient_for)
3790                     if (c == search)
3791                         return search;
3792             }
3793         }
3794     }
3795
3796     return NULL;
3797 }
3798
3799 ObClient *client_search_transient(ObClient *self, ObClient *search)
3800 {
3801     GSList *sit;
3802
3803     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3804         if (sit->data == search)
3805             return search;
3806         if (client_search_transient(sit->data, search))
3807             return search;
3808     }
3809     return NULL;
3810 }
3811
3812 #define WANT_EDGE(cur, c) \
3813             if(cur == c)                                                      \
3814                 continue;                                                     \
3815             if(!client_normal(cur))                                           \
3816                 continue;                                                     \
3817             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3818                 continue;                                                     \
3819             if(cur->iconic)                                                   \
3820                 continue;
3821
3822 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3823             if ((his_edge_start >= my_edge_start && \
3824                  his_edge_start <= my_edge_end) ||  \
3825                 (my_edge_start >= his_edge_start && \
3826                  my_edge_start <= his_edge_end))    \
3827                 dest = his_offset;
3828
3829 /* finds the nearest edge in the given direction from the current client
3830  * note to self: the edge is the -frame- edge (the actual one), not the
3831  * client edge.
3832  */
3833 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3834 {
3835     gint dest, monitor_dest;
3836     gint my_edge_start, my_edge_end, my_offset;
3837     GList *it;
3838     Rect *a, *monitor;
3839
3840     if(!client_list)
3841         return -1;
3842
3843     a = screen_area(c->desktop);
3844     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3845
3846     switch(dir) {
3847     case OB_DIRECTION_NORTH:
3848         my_edge_start = c->frame->area.x;
3849         my_edge_end = c->frame->area.x + c->frame->area.width;
3850         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3851
3852         /* default: top of screen */
3853         dest = a->y + (hang ? c->frame->area.height : 0);
3854         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3855         /* if the monitor edge comes before the screen edge, */
3856         /* use that as the destination instead. (For xinerama) */
3857         if (monitor_dest != dest && my_offset > monitor_dest)
3858             dest = monitor_dest;
3859
3860         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3861             gint his_edge_start, his_edge_end, his_offset;
3862             ObClient *cur = it->data;
3863
3864             WANT_EDGE(cur, c)
3865
3866             his_edge_start = cur->frame->area.x;
3867             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3868             his_offset = cur->frame->area.y +
3869                          (hang ? 0 : cur->frame->area.height);
3870
3871             if(his_offset + 1 > my_offset)
3872                 continue;
3873
3874             if(his_offset < dest)
3875                 continue;
3876
3877             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3878         }
3879         break;
3880     case OB_DIRECTION_SOUTH:
3881         my_edge_start = c->frame->area.x;
3882         my_edge_end = c->frame->area.x + c->frame->area.width;
3883         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3884
3885         /* default: bottom of screen */
3886         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3887         monitor_dest = monitor->y + monitor->height -
3888                        (hang ? c->frame->area.height : 0);
3889         /* if the monitor edge comes before the screen edge, */
3890         /* use that as the destination instead. (For xinerama) */
3891         if (monitor_dest != dest && my_offset < monitor_dest)
3892             dest = monitor_dest;
3893
3894         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3895             gint his_edge_start, his_edge_end, his_offset;
3896             ObClient *cur = it->data;
3897
3898             WANT_EDGE(cur, c)
3899
3900             his_edge_start = cur->frame->area.x;
3901             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3902             his_offset = cur->frame->area.y +
3903                          (hang ? cur->frame->area.height : 0);
3904
3905
3906             if(his_offset - 1 < my_offset)
3907                 continue;
3908
3909             if(his_offset > dest)
3910                 continue;
3911
3912             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3913         }
3914         break;
3915     case OB_DIRECTION_WEST:
3916         my_edge_start = c->frame->area.y;
3917         my_edge_end = c->frame->area.y + c->frame->area.height;
3918         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3919
3920         /* default: leftmost egde of screen */
3921         dest = a->x + (hang ? c->frame->area.width : 0);
3922         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3923         /* if the monitor edge comes before the screen edge, */
3924         /* use that as the destination instead. (For xinerama) */
3925         if (monitor_dest != dest && my_offset > monitor_dest)
3926             dest = monitor_dest;
3927
3928         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3929             gint his_edge_start, his_edge_end, his_offset;
3930             ObClient *cur = it->data;
3931
3932             WANT_EDGE(cur, c)
3933
3934             his_edge_start = cur->frame->area.y;
3935             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3936             his_offset = cur->frame->area.x +
3937                          (hang ? 0 : cur->frame->area.width);
3938
3939             if(his_offset + 1 > my_offset)
3940                 continue;
3941
3942             if(his_offset < dest)
3943                 continue;
3944
3945             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3946         }
3947        break;
3948     case OB_DIRECTION_EAST:
3949         my_edge_start = c->frame->area.y;
3950         my_edge_end = c->frame->area.y + c->frame->area.height;
3951         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3952
3953         /* default: rightmost edge of screen */
3954         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3955         monitor_dest = monitor->x + monitor->width -
3956                        (hang ? c->frame->area.width : 0);
3957         /* if the monitor edge comes before the screen edge, */
3958         /* use that as the destination instead. (For xinerama) */
3959         if (monitor_dest != dest && my_offset < monitor_dest)
3960             dest = monitor_dest;
3961
3962         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3963             gint his_edge_start, his_edge_end, his_offset;
3964             ObClient *cur = it->data;
3965
3966             WANT_EDGE(cur, c)
3967
3968             his_edge_start = cur->frame->area.y;
3969             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3970             his_offset = cur->frame->area.x +
3971                          (hang ? cur->frame->area.width : 0);
3972
3973             if(his_offset - 1 < my_offset)
3974                 continue;
3975
3976             if(his_offset > dest)
3977                 continue;
3978
3979             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3980         }
3981         break;
3982     case OB_DIRECTION_NORTHEAST:
3983     case OB_DIRECTION_SOUTHEAST:
3984     case OB_DIRECTION_NORTHWEST:
3985     case OB_DIRECTION_SOUTHWEST:
3986         /* not implemented */
3987     default:
3988         g_assert_not_reached();
3989         dest = 0; /* suppress warning */
3990     }
3991     return dest;
3992 }
3993
3994 ObClient* client_under_pointer()
3995 {
3996     gint x, y;
3997     GList *it;
3998     ObClient *ret = NULL;
3999
4000     if (screen_pointer_pos(&x, &y)) {
4001         for (it = stacking_list; it; it = g_list_next(it)) {
4002             if (WINDOW_IS_CLIENT(it->data)) {
4003                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4004                 if (c->frame->visible &&
4005                     /* ignore all animating windows */
4006                     !frame_iconify_animating(c->frame) &&
4007                     RECT_CONTAINS(c->frame->area, x, y))
4008                 {
4009                     ret = c;
4010                     break;
4011                 }
4012             }
4013         }
4014     }
4015     return ret;
4016 }
4017
4018 gboolean client_has_group_siblings(ObClient *self)
4019 {
4020     return self->group && self->group->members->next;
4021 }