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) 2004        Mikael Magnusson
   5    Copyright (c) 2003        Ben 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 "stacking.h"
  36 #include "openbox.h"
  37 #include "group.h"
  38 #include "config.h"
  39 #include "menuframe.h"
  40 #include "keyboard.h"
  41 #include "mouse.h"
  42 #include "render/render.h"
  43
  44 #include <glib.h>
  45 #include <X11/Xutil.h>
  46
  47 /*! The event mask to grab on client windows */
  48 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  49                           StructureNotifyMask)
  50
  51 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  52                                 ButtonMotionMask)
  53
  54 typedef struct
  55 {
  56     ObClientDestructor func;
  57     gpointer data;
  58 } Destructor;
  59
  60 GList      *client_list        = NULL;
  61 GSList     *client_destructors = NULL;
  62
  63 static void client_get_all(ObClient *self);
  64 static void client_toggle_border(ObClient *self, gboolean show);
  65 static void client_get_startup_id(ObClient *self);
  66 static void client_get_area(ObClient *self);
  67 static void client_get_desktop(ObClient *self);
  68 static void client_get_state(ObClient *self);
  69 static void client_get_shaped(ObClient *self);
  70 static void client_get_mwm_hints(ObClient *self);
  71 static void client_get_gravity(ObClient *self);
  72 static void client_showhide(ObClient *self);
  73 static void client_change_allowed_actions(ObClient *self);
  74 static void client_change_state(ObClient *self);
  75 static void client_apply_startup_state(ObClient *self);
  76 static void client_restore_session_state(ObClient *self);
  77 static void client_restore_session_stacking(ObClient *self);
  78 static void client_urgent_notify(ObClient *self);
  79
  80 void client_startup(gboolean reconfig)
  81 {
  82     if (reconfig) return;
  83
  84     client_set_list();
  85 }
  86
  87 void client_shutdown(gboolean reconfig)
  88 {
  89 }
  90
  91 void client_add_destructor(ObClientDestructor func, gpointer data)
  92 {
  93     Destructor *d = g_new(Destructor, 1);
  94     d->func = func;
  95     d->data = data;
  96     client_destructors = g_slist_prepend(client_destructors, d);
  97 }
  98
  99 void client_remove_destructor(ObClientDestructor func)
 100 {
 101     GSList *it;
 102
 103     for (it = client_destructors; it; it = g_slist_next(it)) {
 104         Destructor *d = it->data;
 105         if (d->func == func) {
 106             g_free(d);
 107             client_destructors = g_slist_delete_link(client_destructors, it);
 108             break;
 109         }
 110     }
 111 }
 112
 113 void client_set_list()
 114 {
 115     Window *windows, *win_it;
 116     GList *it;
 117     guint size = g_list_length(client_list);
 118
 119     /* create an array of the window ids */
 120     if (size > 0) {
 121         windows = g_new(Window, size);
 122         win_it = windows;
 123         for (it = client_list; it; it = g_list_next(it), ++win_it)
 124             *win_it = ((ObClient*)it->data)->window;
 125     } else
 126         windows = NULL;
 127
 128     PROP_SETA32(RootWindow(ob_display, ob_screen),
 129                 net_client_list, window, (gulong*)windows, size);
 130
 131     if (windows)
 132         g_free(windows);
 133
 134     stacking_set_list();
 135 }
 136
 137 /*
 138   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 139   {
 140   GSList *it;
 141
 142   for (it = self->transients; it; it = g_slist_next(it)) {
 143   if (!func(it->data, data)) return;
 144   client_foreach_transient(it->data, func, data);
 145   }
 146   }
 147
 148   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 149   {
 150   if (self->transient_for) {
 151   if (self->transient_for != OB_TRAN_GROUP) {
 152   if (!func(self->transient_for, data)) return;
 153   client_foreach_ancestor(self->transient_for, func, data);
 154   } else {
 155   GSList *it;
 156
 157   for (it = self->group->members; it; it = g_slist_next(it))
 158   if (it->data != self &&
 159   !((ObClient*)it->data)->transient_for) {
 160   if (!func(it->data, data)) return;
 161   client_foreach_ancestor(it->data, func, data);
 162   }
 163   }
 164   }
 165   }
 166 */
 167
 168 void client_manage_all()
 169 {
 170     guint i, j, nchild;
 171     Window w, *children;
 172     XWMHints *wmhints;
 173     XWindowAttributes attrib;
 174
 175     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 176                &w, &w, &children, &nchild);
 177
 178     /* remove all icon windows from the list */
 179     for (i = 0; i < nchild; i++) {
 180         if (children[i] == None) continue;
 181         wmhints = XGetWMHints(ob_display, children[i]);
 182         if (wmhints) {
 183             if ((wmhints->flags & IconWindowHint) &&
 184                 (wmhints->icon_window != children[i]))
 185                 for (j = 0; j < nchild; j++)
 186                     if (children[j] == wmhints->icon_window) {
 187                         children[j] = None;
 188                         break;
 189                     }
 190             XFree(wmhints);
 191         }
 192     }
 193
 194     for (i = 0; i < nchild; ++i) {
 195         if (children[i] == None)
 196             continue;
 197         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 198             if (attrib.override_redirect) continue;
 199
 200             if (attrib.map_state != IsUnmapped)
 201                 client_manage(children[i]);
 202         }
 203     }
 204     XFree(children);
 205 }
 206
 207 static ObAppSettings *get_settings(ObClient *client)
 208 {
 209     GSList *a = config_per_app_settings;
 210
 211     while (a) {
 212         ObAppSettings *app = (ObAppSettings *) a->data;
 213
 214         if (
 215             (app->name && !app->class && !strcmp(app->name, client->name))
 216             || (app->class && !app->name && !strcmp(app->class, client->class))
 217             || (app->class && app->name && !strcmp(app->class, client->class)
 218                 && !strcmp(app->name, client->name))
 219             ) {
 220             ob_debug("Window matching: %s\n", app->name);
 221             /* Match if no role was specified in the per app setting, or if the string
 222              * matches the beginning of the role, since apps like to set the role to
 223              * things like browser-window-23c4b2f */
 224             if (!app->role || !strncmp(app->role, client->role, strlen(app->role)))
 225                 return app;
 226         }
 227
 228         a = a->next;
 229     }
 230     return NULL;
 231 }
 232
 233 void client_manage(Window window)
 234 {
 235     ObClient *self;
 236     XEvent e;
 237     XWindowAttributes attrib;
 238     XSetWindowAttributes attrib_set;
 239     XWMHints *wmhint;
 240     gboolean activate = FALSE;
 241     ObAppSettings *settings;
 242
 243     grab_server(TRUE);
 244
 245     /* check if it has already been unmapped by the time we started mapping
 246        the grab does a sync so we don't have to here */
 247     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 248         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 249         XPutBackEvent(ob_display, &e);
 250
 251         grab_server(FALSE);
 252         return; /* don't manage it */
 253     }
 254
 255     /* make sure it isn't an override-redirect window */
 256     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 257         attrib.override_redirect) {
 258         grab_server(FALSE);
 259         return; /* don't manage it */
 260     }
 261
 262     /* is the window a docking app */
 263     if ((wmhint = XGetWMHints(ob_display, window))) {
 264         if ((wmhint->flags & StateHint) &&
 265             wmhint->initial_state == WithdrawnState) {
 266             dock_add(window, wmhint);
 267             grab_server(FALSE);
 268             XFree(wmhint);
 269             return;
 270         }
 271         XFree(wmhint);
 272     }
 273
 274     ob_debug("Managing window: %lx\n", window);
 275
 276     /* choose the events we want to receive on the CLIENT window */
 277     attrib_set.event_mask = CLIENT_EVENTMASK;
 278     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 279     XChangeWindowAttributes(ob_display, window,
 280                             CWEventMask|CWDontPropagate, &attrib_set);
 281
 282
 283     /* create the ObClient struct, and populate it from the hints on the
 284        window */
 285     self = g_new0(ObClient, 1);
 286     self->obwin.type = Window_Client;
 287     self->window = window;
 288
 289     /* non-zero defaults */
 290     self->title_count = 1;
 291     self->wmstate = NormalState;
 292     self->layer = -1;
 293     self->desktop = screen_num_desktops; /* always an invalid value */
 294
 295     client_get_all(self);
 296     client_restore_session_state(self);
 297
 298     sn_app_started(self->class);
 299
 300     /* update the focus lists, do this before the call to change_state or
 301        it can end up in the list twice! */
 302     focus_order_add_new(self);
 303
 304     client_change_state(self);
 305
 306     /* remove the client's border (and adjust re gravity) */
 307     client_toggle_border(self, FALSE);
 308
 309     /* specify that if we exit, the window should not be destroyed and should
 310        be reparented back to root automatically */
 311     XChangeSaveSet(ob_display, window, SetModeInsert);
 312
 313     /* create the decoration frame for the client window */
 314     self->frame = frame_new();
 315
 316     frame_grab_client(self->frame, self);
 317
 318     grab_server(FALSE);
 319
 320     client_apply_startup_state(self);
 321
 322     /* get and set application level settings */
 323     settings = get_settings(self);
 324
 325     if (settings) {
 326         /* Don't worry, we won't actually both shade and undecorate the
 327          * window when push comes to shove. */
 328         if (settings->shade != -1)
 329             client_shade(self, settings->shade);
 330         if (settings->decor != -1)
 331             client_set_undecorated(self, !settings->decor);
 332         if (settings->iconic != -1)
 333             client_iconify(self, settings->iconic, FALSE);
 334         if (settings->skip_pager != -1) {
 335             self->skip_pager = !!settings->skip_pager;
 336             client_change_state(self);
 337         }
 338         if (settings->skip_taskbar != -1) {
 339             self->skip_taskbar = !!settings->skip_taskbar;
 340             client_change_state(self);
 341         }
 342
 343         /* 1 && -1 shouldn't be possible by the code in config.c */
 344         if (settings->max_vert == 1 && settings->max_horz == 1)
 345             client_maximize(self, TRUE, 0, TRUE);
 346         else if (settings->max_vert == 0 && settings->max_horz == 0)
 347             client_maximize(self, FALSE, 0, TRUE);
 348         else if (settings->max_vert == 1 && settings->max_horz == 0) {
 349             client_maximize(self, TRUE, 2, TRUE);
 350             client_maximize(self, FALSE, 1, TRUE);
 351         } else if (settings->max_vert == 0 && settings->max_horz == 1) {
 352             client_maximize(self, TRUE, 1, TRUE);
 353             client_maximize(self, FALSE, 2, TRUE);
 354         }
 355
 356         if (settings->fullscreen != -1)
 357             client_fullscreen(self, !!settings->fullscreen, TRUE);
 358
 359         if (settings->desktop < screen_num_desktops)
 360             client_set_desktop(self, settings->desktop, FALSE);
 361
 362         if (settings->layer > -2 && settings->layer < 2)
 363             client_set_layer(self, settings->layer);
 364
 365     }
 366
 367     stacking_add(CLIENT_AS_WINDOW(self));
 368     client_restore_session_stacking(self);
 369
 370     /* focus the new window? */
 371     if (ob_state() != OB_STATE_STARTING &&
 372         (config_focus_new || client_search_focus_parent(self)) ||
 373         (settings && settings->focus == TRUE) &&
 374         /* note the check against Type_Normal/Dialog, not client_normal(self),
 375            which would also include other types. in this case we want more
 376            strict rules for focus */
 377         (self->type == OB_CLIENT_TYPE_NORMAL ||
 378          self->type == OB_CLIENT_TYPE_DIALOG))
 379     {
 380         activate = TRUE;
 381 #if 0
 382         if (self->desktop != screen_desktop) {
 383             /* activate the window */
 384             activate = TRUE;
 385         } else {
 386             gboolean group_foc = FALSE;
 387
 388             if (self->group) {
 389                 GSList *it;
 390
 391                 for (it = self->group->members; it; it = g_slist_next(it))
 392                 {
 393                     if (client_focused(it->data))
 394                     {
 395                         group_foc = TRUE;
 396                         break;
 397                     }
 398                 }
 399             }
 400             if ((group_foc ||
 401                  (!self->transient_for && (!self->group ||
 402                                            !self->group->members->next))) ||
 403                 client_search_focus_tree_full(self) ||
 404                 !focus_client ||
 405                 !client_normal(focus_client))
 406             {
 407                 /* activate the window */
 408                 activate = TRUE;
 409             }
 410         }
 411 #endif
 412     }
 413
 414     if (ob_state() == OB_STATE_RUNNING) {
 415         gint x = self->area.x, ox = x;
 416         gint y = self->area.y, oy = y;
 417
 418         place_client(self, &x, &y, settings);
 419
 420         /* make sure the window is visible. */
 421         client_find_onscreen(self, &x, &y,
 422                              self->frame->area.width,
 423                              self->frame->area.height,
 424                              /* non-normal clients has less rules, and
 425                                 windows that are being restored from a
 426                                 session do also. we can assume you want
 427                                 it back where you saved it. Clients saying
 428                                 they placed themselves are subjected to
 429                                 harder rules, ones that are placed by
 430                                 place.c or by the user are allowed partially
 431                                 off-screen and on xinerama divides (ie,
 432                                 it is up to the placement routines to avoid
 433                                 the xinerama divides) */
 434                              ((self->positioned & PPosition) &&
 435                               !(self->positioned & USPosition)) &&
 436                              client_normal(self) &&
 437                              !self->session);
 438         if (x != ox || y != oy)
 439             client_move(self, x, y);
 440     }
 441
 442     keyboard_grab_for_client(self, TRUE);
 443     mouse_grab_for_client(self, TRUE);
 444
 445     client_showhide(self);
 446
 447     /* use client_focus instead of client_activate cuz client_activate does
 448        stuff like switch desktops etc and I'm not interested in all that when
 449        a window maps since its not based on an action from the user like
 450        clicking a window to activate is. so keep the new window out of the way
 451        but do focus it. */
 452     if (activate) {
 453         /* if using focus_delay, stop the timer now so that focus doesn't go
 454            moving on us */
 455         event_halt_focus_delay();
 456
 457         client_focus(self);
 458         /* since focus can change the stacking orders, if we focus the window
 459            then the standard raise it gets is not enough, we need to queue one
 460            for after the focus change takes place */
 461         client_raise(self);
 462     }
 463
 464     /* client_activate does this but we aret using it so we have to do it
 465        here as well */
 466     if (screen_showing_desktop)
 467         screen_show_desktop(FALSE);
 468
 469     /* add to client list/map */
 470     client_list = g_list_append(client_list, self);
 471     g_hash_table_insert(window_map, &self->window, self);
 472
 473     /* this has to happen after we're in the client_list */
 474     screen_update_areas();
 475
 476     /* update the list hints */
 477     client_set_list();
 478
 479     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
 480 }
 481
 482 void client_unmanage_all()
 483 {
 484     while (client_list != NULL)
 485         client_unmanage(client_list->data);
 486 }
 487
 488 void client_unmanage(ObClient *self)
 489 {
 490     guint j;
 491     GSList *it;
 492
 493     ob_debug("Unmanaging window: %lx (%s)\n", self->window, self->class);
 494
 495     g_assert(self != NULL);
 496
 497     keyboard_grab_for_client(self, FALSE);
 498     mouse_grab_for_client(self, FALSE);
 499
 500     /* potentially fix focusLast */
 501     if (config_focus_last)
 502         grab_pointer(TRUE, OB_CURSOR_NONE);
 503
 504     /* remove the window from our save set */
 505     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 506
 507     /* we dont want events no more */
 508     XSelectInput(ob_display, self->window, NoEventMask);
 509
 510     frame_hide(self->frame);
 511
 512     client_list = g_list_remove(client_list, self);
 513     stacking_remove(self);
 514     g_hash_table_remove(window_map, &self->window);
 515
 516     /* update the focus lists */
 517     focus_order_remove(self);
 518
 519     /* once the client is out of the list, update the struts to remove it's
 520        influence */
 521     screen_update_areas();
 522
 523     for (it = client_destructors; it; it = g_slist_next(it)) {
 524         Destructor *d = it->data;
 525         d->func(self, d->data);
 526     }
 527
 528     if (focus_client == self) {
 529         XEvent e;
 530
 531         /* focus the last focused window on the desktop, and ignore enter
 532            events from the unmap so it doesnt mess with the focus */
 533         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
 534         /* remove these flags so we don't end up getting focused in the
 535            fallback! */
 536         self->can_focus = FALSE;
 537         self->focus_notify = FALSE;
 538         self->modal = FALSE;
 539         client_unfocus(self);
 540     }
 541
 542     /* tell our parent(s) that we're gone */
 543     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 544         for (it = self->group->members; it; it = g_slist_next(it))
 545             if (it->data != self)
 546                 ((ObClient*)it->data)->transients =
 547                     g_slist_remove(((ObClient*)it->data)->transients, self);
 548     } else if (self->transient_for) {        /* transient of window */
 549         self->transient_for->transients =
 550             g_slist_remove(self->transient_for->transients, self);
 551     }
 552
 553     /* tell our transients that we're gone */
 554     for (it = self->transients; it; it = g_slist_next(it)) {
 555         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 556             ((ObClient*)it->data)->transient_for = NULL;
 557             client_calc_layer(it->data);
 558         }
 559     }
 560
 561     /* remove from its group */
 562     if (self->group) {
 563         group_remove(self->group, self);
 564         self->group = NULL;
 565     }
 566
 567     /* give the client its border back */
 568     client_toggle_border(self, TRUE);
 569
 570     /* reparent the window out of the frame, and free the frame */
 571     frame_release_client(self->frame, self);
 572     self->frame = NULL;
 573
 574     if (ob_state() != OB_STATE_EXITING) {
 575         /* these values should not be persisted across a window
 576            unmapping/mapping */
 577         PROP_ERASE(self->window, net_wm_desktop);
 578         PROP_ERASE(self->window, net_wm_state);
 579         PROP_ERASE(self->window, wm_state);
 580     } else {
 581         /* if we're left in an unmapped state, the client wont be mapped. this
 582            is bad, since we will no longer be managing the window on restart */
 583         XMapWindow(ob_display, self->window);
 584     }
 585
 586
 587     ob_debug("Unmanaged window 0x%lx\n", self->window);
 588
 589     /* free all data allocated in the client struct */
 590     g_slist_free(self->transients);
 591     for (j = 0; j < self->nicons; ++j)
 592         g_free(self->icons[j].data);
 593     if (self->nicons > 0)
 594         g_free(self->icons);
 595     g_free(self->title);
 596     g_free(self->icon_title);
 597     g_free(self->name);
 598     g_free(self->class);
 599     g_free(self->role);
 600     g_free(self->sm_client_id);
 601     g_free(self);
 602
 603     /* update the list hints */
 604     client_set_list();
 605
 606     if (config_focus_last)
 607         grab_pointer(FALSE, OB_CURSOR_NONE);
 608 }
 609
 610 static void client_urgent_notify(ObClient *self)
 611 {
 612     if (self->urgent)
 613         frame_flash_start(self->frame);
 614     else
 615         frame_flash_stop(self->frame);
 616 }
 617
 618 static void client_restore_session_state(ObClient *self)
 619 {
 620     GList *it;
 621
 622     if (!(it = session_state_find(self)))
 623         return;
 624
 625     self->session = it->data;
 626
 627     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 628     self->positioned = PPosition;
 629     if (self->session->w > 0)
 630         self->area.width = self->session->w;
 631     if (self->session->h > 0)
 632         self->area.height = self->session->h;
 633     XResizeWindow(ob_display, self->window,
 634                   self->area.width, self->area.height);
 635
 636     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 637                      self->session->desktop :
 638                      MIN(screen_num_desktops - 1, self->session->desktop));
 639     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 640
 641     self->shaded = self->session->shaded;
 642     self->iconic = self->session->iconic;
 643     self->skip_pager = self->session->skip_pager;
 644     self->skip_taskbar = self->session->skip_taskbar;
 645     self->fullscreen = self->session->fullscreen;
 646     self->above = self->session->above;
 647     self->below = self->session->below;
 648     self->max_horz = self->session->max_horz;
 649     self->max_vert = self->session->max_vert;
 650 }
 651
 652 static void client_restore_session_stacking(ObClient *self)
 653 {
 654     GList *it;
 655
 656     if (!self->session) return;
 657
 658     it = g_list_find(session_saved_state, self->session);
 659     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
 660         GList *cit;
 661
 662         for (cit = client_list; cit; cit = g_list_next(cit))
 663             if (session_state_cmp(it->data, cit->data))
 664                 break;
 665         if (cit) {
 666             client_calc_layer(self);
 667             stacking_below(CLIENT_AS_WINDOW(self),
 668                            CLIENT_AS_WINDOW(cit->data));
 669             break;
 670         }
 671     }
 672 }
 673
 674 void client_move_onscreen(ObClient *self, gboolean rude)
 675 {
 676     gint x = self->area.x;
 677     gint y = self->area.y;
 678     if (client_find_onscreen(self, &x, &y,
 679                              self->frame->area.width,
 680                              self->frame->area.height, rude)) {
 681         client_move(self, x, y);
 682     }
 683 }
 684
 685 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 686                               gboolean rude)
 687 {
 688     Rect *a;
 689     gint ox = *x, oy = *y;
 690
 691     frame_client_gravity(self->frame, x, y); /* get where the frame
 692                                                 would be */
 693
 694     /* XXX watch for xinerama dead areas */
 695     /* This makes sure windows aren't entirely outside of the screen so you
 696      * can't see them at all */
 697     if (client_normal(self)) {
 698         a = screen_area(self->desktop);
 699         if (!self->strut.right && *x >= a->x + a->width - 1)
 700             *x = a->x + a->width - self->frame->area.width;
 701         if (!self->strut.bottom && *y >= a->y + a->height - 1)
 702             *y = a->y + a->height - self->frame->area.height;
 703         if (!self->strut.left && *x + self->frame->area.width - 1 < a->x)
 704             *x = a->x;
 705         if (!self->strut.top && *y + self->frame->area.height - 1 < a->y)
 706             *y = a->y;
 707     }
 708
 709     /* This here doesn't let windows even a pixel outside the screen,
 710      * when called from client_manage, programs placing themselves are
 711      * forced completely onscreen, while things like
 712      * xterm -geometry resolution-width/2 will work fine. Trying to
 713      * place it completely offscreen will be handled in the above code.
 714      * Sorry for this confused comment, i am tired. */
 715     if (rude) {
 716         /* avoid the xinerama monitor divide while we're at it,
 717          * remember to fix the placement stuff to avoid it also and
 718          * then remove this XXX */
 719         a = screen_physical_area_monitor(client_monitor(self));
 720         /* dont let windows map/move into the strut unless they
 721            are bigger than the available area */
 722         if (w <= a->width) {
 723             if (!self->strut.left && *x < a->x) *x = a->x;
 724             if (!self->strut.right && *x + w > a->x + a->width)
 725                 *x = a->x + a->width - w;
 726         }
 727         if (h <= a->height) {
 728             if (!self->strut.top && *y < a->y) *y = a->y;
 729             if (!self->strut.bottom && *y + h > a->y + a->height)
 730                 *y = a->y + a->height - h;
 731         }
 732     }
 733
 734     frame_frame_gravity(self->frame, x, y); /* get where the client
 735                                                should be */
 736
 737     return ox != *x || oy != *y;
 738 }
 739
 740 static void client_toggle_border(ObClient *self, gboolean show)
 741 {
 742     /* adjust our idea of where the client is, based on its border. When the
 743        border is removed, the client should now be considered to be in a
 744        different position.
 745        when re-adding the border to the client, the same operation needs to be
 746        reversed. */
 747     gint oldx = self->area.x, oldy = self->area.y;
 748     gint x = oldx, y = oldy;
 749     switch(self->gravity) {
 750     default:
 751     case NorthWestGravity:
 752     case WestGravity:
 753     case SouthWestGravity:
 754         break;
 755     case NorthEastGravity:
 756     case EastGravity:
 757     case SouthEastGravity:
 758         if (show) x -= self->border_width * 2;
 759         else      x += self->border_width * 2;
 760         break;
 761     case NorthGravity:
 762     case SouthGravity:
 763     case CenterGravity:
 764     case ForgetGravity:
 765     case StaticGravity:
 766         if (show) x -= self->border_width;
 767         else      x += self->border_width;
 768         break;
 769     }
 770     switch(self->gravity) {
 771     default:
 772     case NorthWestGravity:
 773     case NorthGravity:
 774     case NorthEastGravity:
 775         break;
 776     case SouthWestGravity:
 777     case SouthGravity:
 778     case SouthEastGravity:
 779         if (show) y -= self->border_width * 2;
 780         else      y += self->border_width * 2;
 781         break;
 782     case WestGravity:
 783     case EastGravity:
 784     case CenterGravity:
 785     case ForgetGravity:
 786     case StaticGravity:
 787         if (show) y -= self->border_width;
 788         else      y += self->border_width;
 789         break;
 790     }
 791     self->area.x = x;
 792     self->area.y = y;
 793
 794     if (show) {
 795         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 796
 797         /* move the client so it is back it the right spot _with_ its
 798            border! */
 799         if (x != oldx || y != oldy)
 800             XMoveWindow(ob_display, self->window, x, y);
 801     } else
 802         XSetWindowBorderWidth(ob_display, self->window, 0);
 803 }
 804
 805
 806 static void client_get_all(ObClient *self)
 807 {
 808     client_get_area(self);
 809     client_update_transient_for(self);
 810     client_update_wmhints(self);
 811     client_get_startup_id(self);
 812     client_get_desktop(self);
 813     client_get_shaped(self);
 814
 815     client_get_mwm_hints(self);
 816     client_get_type(self);/* this can change the mwmhints for special cases */
 817
 818     /* The transient hint is used to pick a type, but the type can also affect
 819        transiency (dialogs are always made transients). This is Havoc's idea,
 820        but it is needed to make some apps work right (eg tsclient). */
 821     client_update_transient_for(self);
 822
 823     client_get_state(self);
 824
 825     {
 826         /* a couple type-based defaults for new windows */
 827
 828         /* this makes sure that these windows appear on all desktops */
 829         if (self->type == OB_CLIENT_TYPE_DESKTOP)
 830             self->desktop = DESKTOP_ALL;
 831     }
 832
 833     client_update_protocols(self);
 834
 835     client_get_gravity(self); /* get the attribute gravity */
 836     client_update_normal_hints(self); /* this may override the attribute
 837                                          gravity */
 838
 839     /* got the type, the mwmhints, the protocols, and the normal hints
 840        (min/max sizes), so we're ready to set up the decorations/functions */
 841     client_setup_decor_and_functions(self);
 842
 843     client_update_title(self);
 844     client_update_class(self);
 845     client_update_sm_client_id(self);
 846     client_update_strut(self);
 847     client_update_icons(self);
 848 }
 849
 850 static void client_get_startup_id(ObClient *self)
 851 {
 852     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
 853         if (self->group)
 854             PROP_GETS(self->group->leader,
 855                       net_startup_id, utf8, &self->startup_id);
 856 }
 857
 858 static void client_get_area(ObClient *self)
 859 {
 860     XWindowAttributes wattrib;
 861     Status ret;
 862
 863     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 864     g_assert(ret != BadWindow);
 865
 866     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 867     self->border_width = wattrib.border_width;
 868 }
 869
 870 static void client_get_desktop(ObClient *self)
 871 {
 872     guint32 d = screen_num_desktops; /* an always-invalid value */
 873
 874     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
 875         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 876             self->desktop = screen_num_desktops - 1;
 877         else
 878             self->desktop = d;
 879     } else {
 880         gboolean trdesk = FALSE;
 881
 882         if (self->transient_for) {
 883             if (self->transient_for != OB_TRAN_GROUP) {
 884                 self->desktop = self->transient_for->desktop;
 885                 trdesk = TRUE;
 886             } else {
 887                 GSList *it;
 888
 889                 for (it = self->group->members; it; it = g_slist_next(it))
 890                     if (it->data != self &&
 891                         !((ObClient*)it->data)->transient_for) {
 892                         self->desktop = ((ObClient*)it->data)->desktop;
 893                         trdesk = TRUE;
 894                         break;
 895                     }
 896             }
 897         }
 898         if (!trdesk) {
 899             /* try get from the startup-notification protocol */
 900             if (sn_get_desktop(self->startup_id, &self->desktop)) {
 901                 if (self->desktop >= screen_num_desktops &&
 902                     self->desktop != DESKTOP_ALL)
 903                     self->desktop = screen_num_desktops - 1;
 904             } else
 905                 /* defaults to the current desktop */
 906                 self->desktop = screen_desktop;
 907         }
 908     }
 909     if (self->desktop != d) {
 910         /* set the desktop hint, to make sure that it always exists */
 911         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 912     }
 913 }
 914
 915 static void client_get_state(ObClient *self)
 916 {
 917     guint32 *state;
 918     guint num;
 919
 920     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
 921         gulong i;
 922         for (i = 0; i < num; ++i) {
 923             if (state[i] == prop_atoms.net_wm_state_modal)
 924                 self->modal = TRUE;
 925             else if (state[i] == prop_atoms.net_wm_state_shaded)
 926                 self->shaded = TRUE;
 927             else if (state[i] == prop_atoms.net_wm_state_hidden)
 928                 self->iconic = TRUE;
 929             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 930                 self->skip_taskbar = TRUE;
 931             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 932                 self->skip_pager = TRUE;
 933             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 934                 self->fullscreen = TRUE;
 935             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 936                 self->max_vert = TRUE;
 937             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 938                 self->max_horz = TRUE;
 939             else if (state[i] == prop_atoms.net_wm_state_above)
 940                 self->above = TRUE;
 941             else if (state[i] == prop_atoms.net_wm_state_below)
 942                 self->below = TRUE;
 943             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
 944                 self->undecorated = TRUE;
 945         }
 946
 947         g_free(state);
 948     }
 949
 950     if (!(self->above || self->below)) {
 951         if (self->group) {
 952             /* apply stuff from the group */
 953             GSList *it;
 954             gint layer = -2;
 955
 956             for (it = self->group->members; it; it = g_slist_next(it)) {
 957                 ObClient *c = it->data;
 958                 if (c != self && !client_search_transient(self, c) &&
 959                     client_normal(self) && client_normal(c))
 960                 {
 961                     layer = MAX(layer,
 962                                 (c->above ? 1 : (c->below ? -1 : 0)));
 963                 }
 964             }
 965             switch (layer) {
 966             case -1:
 967                 self->below = TRUE;
 968                 break;
 969             case -2:
 970             case 0:
 971                 break;
 972             case 1:
 973                 self->above = TRUE;
 974                 break;
 975             default:
 976                 g_assert_not_reached();
 977                 break;
 978             }
 979         }
 980     }
 981 }
 982
 983 static void client_get_shaped(ObClient *self)
 984 {
 985     self->shaped = FALSE;
 986 #ifdef   SHAPE
 987     if (extensions_shape) {
 988         gint foo;
 989         guint ufoo;
 990         gint s;
 991
 992         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 993
 994         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 995                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 996                            &ufoo);
 997         self->shaped = (s != 0);
 998     }
 999 #endif
1000 }
1001
1002 void client_update_transient_for(ObClient *self)
1003 {
1004     Window t = None;
1005     ObClient *target = NULL;
1006
1007     if (XGetTransientForHint(ob_display, self->window, &t)) {
1008         self->transient = TRUE;
1009         if (t != self->window) { /* cant be transient to itself! */
1010             target = g_hash_table_lookup(window_map, &t);
1011             /* if this happens then we need to check for it*/
1012             g_assert(target != self);
1013             if (target && !WINDOW_IS_CLIENT(target)) {
1014                 /* this can happen when a dialog is a child of
1015                    a dockapp, for example */
1016                 target = NULL;
1017             }
1018
1019             if (!target && self->group) {
1020                 /* not transient to a client, see if it is transient for a
1021                    group */
1022                 if (t == self->group->leader ||
1023                     t == None ||
1024                     t == RootWindow(ob_display, ob_screen))
1025                 {
1026                     /* window is a transient for its group! */
1027                     target = OB_TRAN_GROUP;
1028                 }
1029             }
1030         }
1031     } else if (self->type == OB_CLIENT_TYPE_DIALOG && self->group) {
1032         self->transient = TRUE;
1033         target = OB_TRAN_GROUP;
1034     } else
1035         self->transient = FALSE;
1036
1037     /* if anything has changed... */
1038     if (target != self->transient_for) {
1039         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
1040             GSList *it;
1041
1042             /* remove from old parents */
1043             for (it = self->group->members; it; it = g_slist_next(it)) {
1044                 ObClient *c = it->data;
1045                 if (c != self && !c->transient_for)
1046                     c->transients = g_slist_remove(c->transients, self);
1047             }
1048         } else if (self->transient_for != NULL) { /* transient of window */
1049             /* remove from old parent */
1050             self->transient_for->transients =
1051                 g_slist_remove(self->transient_for->transients, self);
1052         }
1053         self->transient_for = target;
1054         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
1055             GSList *it;
1056
1057             /* add to new parents */
1058             for (it = self->group->members; it; it = g_slist_next(it)) {
1059                 ObClient *c = it->data;
1060                 if (c != self && !c->transient_for)
1061                     c->transients = g_slist_append(c->transients, self);
1062             }
1063
1064             /* remove all transients which are in the group, that causes
1065                circlular pointer hell of doom */
1066             for (it = self->group->members; it; it = g_slist_next(it)) {
1067                 GSList *sit, *next;
1068                 for (sit = self->transients; sit; sit = next) {
1069                     next = g_slist_next(sit);
1070                     if (sit->data == it->data)
1071                         self->transients =
1072                             g_slist_delete_link(self->transients, sit);
1073                 }
1074             }
1075         } else if (self->transient_for != NULL) { /* transient of window */
1076             /* add to new parent */
1077             self->transient_for->transients =
1078                 g_slist_append(self->transient_for->transients, self);
1079         }
1080     }
1081 }
1082
1083 static void client_get_mwm_hints(ObClient *self)
1084 {
1085     guint num;
1086     guint32 *hints;
1087
1088     self->mwmhints.flags = 0; /* default to none */
1089
1090     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1091                     &hints, &num)) {
1092         if (num >= OB_MWM_ELEMENTS) {
1093             self->mwmhints.flags = hints[0];
1094             self->mwmhints.functions = hints[1];
1095             self->mwmhints.decorations = hints[2];
1096         }
1097         g_free(hints);
1098     }
1099 }
1100
1101 void client_get_type(ObClient *self)
1102 {
1103     guint num, i;
1104     guint32 *val;
1105
1106     self->type = -1;
1107
1108     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1109         /* use the first value that we know about in the array */
1110         for (i = 0; i < num; ++i) {
1111             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1112                 self->type = OB_CLIENT_TYPE_DESKTOP;
1113             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1114                 self->type = OB_CLIENT_TYPE_DOCK;
1115             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1116                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1117             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1118                 self->type = OB_CLIENT_TYPE_MENU;
1119             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1120                 self->type = OB_CLIENT_TYPE_UTILITY;
1121             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1122                 self->type = OB_CLIENT_TYPE_SPLASH;
1123             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1124                 self->type = OB_CLIENT_TYPE_DIALOG;
1125             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1126                 self->type = OB_CLIENT_TYPE_NORMAL;
1127             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1128                 /* prevent this window from getting any decor or
1129                    functionality */
1130                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1131                                          OB_MWM_FLAG_DECORATIONS);
1132                 self->mwmhints.decorations = 0;
1133                 self->mwmhints.functions = 0;
1134             }
1135             if (self->type != (ObClientType) -1)
1136                 break; /* grab the first legit type */
1137         }
1138         g_free(val);
1139     }
1140
1141     if (self->type == (ObClientType) -1) {
1142         /*the window type hint was not set, which means we either classify
1143           ourself as a normal window or a dialog, depending on if we are a
1144           transient. */
1145         if (self->transient)
1146             self->type = OB_CLIENT_TYPE_DIALOG;
1147         else
1148             self->type = OB_CLIENT_TYPE_NORMAL;
1149     }
1150 }
1151
1152 void client_update_protocols(ObClient *self)
1153 {
1154     guint32 *proto;
1155     guint num_return, i;
1156
1157     self->focus_notify = FALSE;
1158     self->delete_window = FALSE;
1159
1160     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1161         for (i = 0; i < num_return; ++i) {
1162             if (proto[i] == prop_atoms.wm_delete_window) {
1163                 /* this means we can request the window to close */
1164                 self->delete_window = TRUE;
1165             } else if (proto[i] == prop_atoms.wm_take_focus)
1166                 /* if this protocol is requested, then the window will be
1167                    notified whenever we want it to receive focus */
1168                 self->focus_notify = TRUE;
1169         }
1170         g_free(proto);
1171     }
1172 }
1173
1174 static void client_get_gravity(ObClient *self)
1175 {
1176     XWindowAttributes wattrib;
1177     Status ret;
1178
1179     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1180     g_assert(ret != BadWindow);
1181     self->gravity = wattrib.win_gravity;
1182 }
1183
1184 void client_update_normal_hints(ObClient *self)
1185 {
1186     XSizeHints size;
1187     glong ret;
1188     gint oldgravity = self->gravity;
1189
1190     /* defaults */
1191     self->min_ratio = 0.0f;
1192     self->max_ratio = 0.0f;
1193     SIZE_SET(self->size_inc, 1, 1);
1194     SIZE_SET(self->base_size, 0, 0);
1195     SIZE_SET(self->min_size, 0, 0);
1196     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1197
1198     /* get the hints from the window */
1199     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1200         /* normal windows can't request placement! har har
1201         if (!client_normal(self))
1202         */
1203         self->positioned = (size.flags & (PPosition|USPosition));
1204
1205         if (size.flags & PWinGravity) {
1206             self->gravity = size.win_gravity;
1207
1208             /* if the client has a frame, i.e. has already been mapped and
1209                is changing its gravity */
1210             if (self->frame && self->gravity != oldgravity) {
1211                 /* move our idea of the client's position based on its new
1212                    gravity */
1213                 self->area.x = self->frame->area.x;
1214                 self->area.y = self->frame->area.y;
1215                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
1216             }
1217         }
1218
1219         if (size.flags & PAspect) {
1220             if (size.min_aspect.y)
1221                 self->min_ratio =
1222                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1223             if (size.max_aspect.y)
1224                 self->max_ratio =
1225                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1226         }
1227
1228         if (size.flags & PMinSize)
1229             SIZE_SET(self->min_size, size.min_width, size.min_height);
1230
1231         if (size.flags & PMaxSize)
1232             SIZE_SET(self->max_size, size.max_width, size.max_height);
1233
1234         if (size.flags & PBaseSize)
1235             SIZE_SET(self->base_size, size.base_width, size.base_height);
1236
1237         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1238             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1239     }
1240 }
1241
1242 void client_setup_decor_and_functions(ObClient *self)
1243 {
1244     /* start with everything (cept fullscreen) */
1245     self->decorations =
1246         (OB_FRAME_DECOR_TITLEBAR |
1247          OB_FRAME_DECOR_HANDLE |
1248          OB_FRAME_DECOR_GRIPS |
1249          OB_FRAME_DECOR_BORDER |
1250          OB_FRAME_DECOR_ICON |
1251          OB_FRAME_DECOR_ALLDESKTOPS |
1252          OB_FRAME_DECOR_ICONIFY |
1253          OB_FRAME_DECOR_MAXIMIZE |
1254          OB_FRAME_DECOR_SHADE |
1255          OB_FRAME_DECOR_CLOSE);
1256     self->functions =
1257         (OB_CLIENT_FUNC_RESIZE |
1258          OB_CLIENT_FUNC_MOVE |
1259          OB_CLIENT_FUNC_ICONIFY |
1260          OB_CLIENT_FUNC_MAXIMIZE |
1261          OB_CLIENT_FUNC_SHADE |
1262          OB_CLIENT_FUNC_CLOSE);
1263
1264     if (!(self->min_size.width < self->max_size.width ||
1265           self->min_size.height < self->max_size.height))
1266         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1267
1268     switch (self->type) {
1269     case OB_CLIENT_TYPE_NORMAL:
1270         /* normal windows retain all of the possible decorations and
1271            functionality, and are the only windows that you can fullscreen */
1272         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1273         break;
1274
1275     case OB_CLIENT_TYPE_DIALOG:
1276     case OB_CLIENT_TYPE_UTILITY:
1277         /* these windows cannot be maximized */
1278         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1279         break;
1280
1281     case OB_CLIENT_TYPE_MENU:
1282     case OB_CLIENT_TYPE_TOOLBAR:
1283         /* these windows get less functionality */
1284         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1285         break;
1286
1287     case OB_CLIENT_TYPE_DESKTOP:
1288     case OB_CLIENT_TYPE_DOCK:
1289     case OB_CLIENT_TYPE_SPLASH:
1290         /* none of these windows are manipulated by the window manager */
1291         self->decorations = 0;
1292         self->functions = 0;
1293         break;
1294     }
1295
1296     /* Mwm Hints are applied subtractively to what has already been chosen for
1297        decor and functionality */
1298     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1299         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1300             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1301                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1302                 /* if the mwm hints request no handle or title, then all
1303                    decorations are disabled */
1304                 self->decorations = config_theme_keepborder ? OB_FRAME_DECOR_BORDER : 0;
1305         }
1306     }
1307
1308     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1309         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1310             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1311                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1312             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1313                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1314             /* dont let mwm hints kill any buttons
1315                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1316                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1317                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1318                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1319             */
1320             /* dont let mwm hints kill the close button
1321                if (! (self->mwmhints.functions & MwmFunc_Close))
1322                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1323         }
1324     }
1325
1326     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1327         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1328     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1329         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1330     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1331         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1332
1333     /* can't maximize without moving/resizing */
1334     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1335           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1336           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1337         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1338         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1339     }
1340
1341     /* kill the handle on fully maxed windows */
1342     if (self->max_vert && self->max_horz)
1343         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1344
1345     /* finally, the user can have requested no decorations, which overrides
1346        everything (but doesnt give it a border if it doesnt have one) */
1347     if (self->undecorated) {
1348         if (config_theme_keepborder)
1349             self->decorations &= OB_FRAME_DECOR_BORDER;
1350         else
1351             self->decorations = 0;
1352     }
1353
1354     /* if we don't have a titlebar, then we cannot shade! */
1355     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1356         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1357
1358     /* now we need to check against rules for the client's current state */
1359     if (self->fullscreen) {
1360         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1361                             OB_CLIENT_FUNC_FULLSCREEN |
1362                             OB_CLIENT_FUNC_ICONIFY);
1363         self->decorations = 0;
1364     }
1365
1366     client_change_allowed_actions(self);
1367
1368     if (self->frame) {
1369         /* adjust the client's decorations, etc. */
1370         client_reconfigure(self);
1371     }
1372 }
1373
1374 static void client_change_allowed_actions(ObClient *self)
1375 {
1376     gulong actions[9];
1377     gint num = 0;
1378
1379     /* desktop windows are kept on all desktops */
1380     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1381         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1382
1383     if (self->functions & OB_CLIENT_FUNC_SHADE)
1384         actions[num++] = prop_atoms.net_wm_action_shade;
1385     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1386         actions[num++] = prop_atoms.net_wm_action_close;
1387     if (self->functions & OB_CLIENT_FUNC_MOVE)
1388         actions[num++] = prop_atoms.net_wm_action_move;
1389     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1390         actions[num++] = prop_atoms.net_wm_action_minimize;
1391     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1392         actions[num++] = prop_atoms.net_wm_action_resize;
1393     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1394         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1395     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1396         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1397         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1398     }
1399
1400     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1401
1402     /* make sure the window isn't breaking any rules now */
1403
1404     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1405         if (self->frame) client_shade(self, FALSE);
1406         else self->shaded = FALSE;
1407     }
1408     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1409         if (self->frame) client_iconify(self, FALSE, TRUE);
1410         else self->iconic = FALSE;
1411     }
1412     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1413         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1414         else self->fullscreen = FALSE;
1415     }
1416     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1417                                                          self->max_vert)) {
1418         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1419         else self->max_vert = self->max_horz = FALSE;
1420     }
1421 }
1422
1423 void client_reconfigure(ObClient *self)
1424 {
1425     /* by making this pass FALSE for user, we avoid the emacs event storm where
1426        every configurenotify causes an update in its normal hints, i think this
1427        is generally what we want anyways... */
1428     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1429                      self->area.width, self->area.height, FALSE, TRUE);
1430 }
1431
1432 void client_update_wmhints(ObClient *self)
1433 {
1434     XWMHints *hints;
1435     gboolean ur = FALSE;
1436     GSList *it;
1437
1438     /* assume a window takes input if it doesnt specify */
1439     self->can_focus = TRUE;
1440
1441     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1442         if (hints->flags & InputHint)
1443             self->can_focus = hints->input;
1444
1445         /* only do this when first managing the window *AND* when we aren't
1446            starting up! */
1447         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1448             if (hints->flags & StateHint)
1449                 self->iconic = hints->initial_state == IconicState;
1450
1451         if (hints->flags & XUrgencyHint)
1452             ur = TRUE;
1453
1454         if (!(hints->flags & WindowGroupHint))
1455             hints->window_group = None;
1456
1457         /* did the group state change? */
1458         if (hints->window_group !=
1459             (self->group ? self->group->leader : None)) {
1460             /* remove from the old group if there was one */
1461             if (self->group != NULL) {
1462                 /* remove transients of the group */
1463                 for (it = self->group->members; it; it = g_slist_next(it))
1464                     self->transients = g_slist_remove(self->transients,
1465                                                       it->data);
1466
1467                 /* remove myself from parents in the group */
1468                 if (self->transient_for == OB_TRAN_GROUP) {
1469                     for (it = self->group->members; it;
1470                          it = g_slist_next(it))
1471                     {
1472                         ObClient *c = it->data;
1473
1474                         if (c != self && !c->transient_for)
1475                             c->transients = g_slist_remove(c->transients,
1476                                                            self);
1477                     }
1478                 }
1479
1480                 group_remove(self->group, self);
1481                 self->group = NULL;
1482             }
1483             if (hints->window_group != None) {
1484                 self->group = group_add(hints->window_group, self);
1485
1486                 /* i can only have transients from the group if i am not
1487                    transient myself */
1488                 if (!self->transient_for) {
1489                     /* add other transients of the group that are already
1490                        set up */
1491                     for (it = self->group->members; it;
1492                          it = g_slist_next(it))
1493                     {
1494                         ObClient *c = it->data;
1495                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1496                             self->transients =
1497                                 g_slist_append(self->transients, c);
1498                     }
1499                 }
1500             }
1501
1502             /* because the self->transient flag wont change from this call,
1503                we don't need to update the window's type and such, only its
1504                transient_for, and the transients lists of other windows in
1505                the group may be affected */
1506             client_update_transient_for(self);
1507         }
1508
1509         /* the WM_HINTS can contain an icon */
1510         client_update_icons(self);
1511
1512         XFree(hints);
1513     }
1514
1515     if (ur != self->urgent) {
1516         self->urgent = ur;
1517         /* fire the urgent callback if we're mapped, otherwise, wait until
1518            after we're mapped */
1519         if (self->frame)
1520             client_urgent_notify(self);
1521     }
1522 }
1523
1524 void client_update_title(ObClient *self)
1525 {
1526     GList *it;
1527     guint32 nums;
1528     guint i;
1529     gchar *data = NULL;
1530     gboolean read_title;
1531     gchar *old_title;
1532
1533     old_title = self->title;
1534
1535     /* try netwm */
1536     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1537         /* try old x stuff */
1538         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1539               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1540             // http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1541             if (self->transient) {
1542                 data = g_strdup("");
1543                 goto no_number;
1544             } else
1545                 data = g_strdup("Unnamed Window");
1546         }
1547     }
1548
1549     /* did the title change? then reset the title_count */
1550     if (old_title && 0 != strncmp(old_title, data, strlen(data)))
1551         self->title_count = 1;
1552
1553     /* look for duplicates and append a number */
1554     nums = 0;
1555     for (it = client_list; it; it = g_list_next(it))
1556         if (it->data != self) {
1557             ObClient *c = it->data;
1558             if (0 == strncmp(c->title, data, strlen(data)))
1559                 nums |= 1 << c->title_count;
1560         }
1561     /* find first free number */
1562     for (i = 1; i <= 32; ++i)
1563         if (!(nums & (1 << i))) {
1564             if (self->title_count == 1 || i == 1)
1565                 self->title_count = i;
1566             break;
1567         }
1568     /* dont display the number for the first window */
1569     if (self->title_count > 1) {
1570         gchar *ndata;
1571         ndata = g_strdup_printf("%s - [%u]", data, self->title_count);
1572         g_free(data);
1573         data = ndata;
1574     }
1575
1576 no_number:
1577     PROP_SETS(self->window, net_wm_visible_name, data);
1578     self->title = data;
1579
1580     if (self->frame)
1581         frame_adjust_title(self->frame);
1582
1583     g_free(old_title);
1584
1585     /* update the icon title */
1586     data = NULL;
1587     g_free(self->icon_title);
1588
1589     read_title = TRUE;
1590     /* try netwm */
1591     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1592         /* try old x stuff */
1593         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data)
1594               || PROP_GETS(self->window, wm_icon_name, utf8, &data))) {
1595             data = g_strdup(self->title);
1596             read_title = FALSE;
1597         }
1598
1599     /* append the title count, dont display the number for the first window */
1600     if (read_title && self->title_count > 1) {
1601         gchar *vdata, *ndata;
1602         ndata = g_strdup_printf(" - [%u]", self->title_count);
1603         vdata = g_strconcat(data, ndata, NULL);
1604         g_free(ndata);
1605         g_free(data);
1606         data = vdata;
1607     }
1608
1609     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1610
1611     self->icon_title = data;
1612 }
1613
1614 void client_update_class(ObClient *self)
1615 {
1616     gchar **data;
1617     gchar *s;
1618
1619     if (self->name) g_free(self->name);
1620     if (self->class) g_free(self->class);
1621     if (self->role) g_free(self->role);
1622
1623     self->name = self->class = self->role = NULL;
1624
1625     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1626         if (data[0]) {
1627             self->name = g_strdup(data[0]);
1628             if (data[1])
1629                 self->class = g_strdup(data[1]);
1630         }
1631         g_strfreev(data);
1632     }
1633
1634     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1635         self->role = s;
1636
1637     if (self->name == NULL) self->name = g_strdup("");
1638     if (self->class == NULL) self->class = g_strdup("");
1639     if (self->role == NULL) self->role = g_strdup("");
1640 }
1641
1642 void client_update_strut(ObClient *self)
1643 {
1644     guint num;
1645     guint32 *data;
1646     gboolean got = FALSE;
1647     StrutPartial strut;
1648
1649     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1650                     &data, &num)) {
1651         if (num == 12) {
1652             got = TRUE;
1653             STRUT_PARTIAL_SET(strut,
1654                               data[0], data[2], data[1], data[3],
1655                               data[4], data[5], data[8], data[9],
1656                               data[6], data[7], data[10], data[11]);
1657         }
1658         g_free(data);
1659     }
1660
1661     if (!got &&
1662         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1663         if (num == 4) {
1664             const Rect *a;
1665
1666             got = TRUE;
1667
1668             /* use the screen's width/height */
1669             a = screen_physical_area();
1670
1671             STRUT_PARTIAL_SET(strut,
1672                               data[0], data[2], data[1], data[3],
1673                               a->y, a->y + a->height - 1,
1674                               a->x, a->x + a->width - 1,
1675                               a->y, a->y + a->height - 1,
1676                               a->x, a->x + a->width - 1);
1677         }
1678         g_free(data);
1679     }
1680
1681     if (!got)
1682         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1683                           0, 0, 0, 0, 0, 0, 0, 0);
1684
1685     if (!STRUT_EQUAL(strut, self->strut)) {
1686         self->strut = strut;
1687
1688         /* updating here is pointless while we're being mapped cuz we're not in
1689            the client list yet */
1690         if (self->frame)
1691             screen_update_areas();
1692     }
1693 }
1694
1695 void client_update_icons(ObClient *self)
1696 {
1697     guint num;
1698     guint32 *data;
1699     guint w, h, i, j;
1700
1701     for (i = 0; i < self->nicons; ++i)
1702         g_free(self->icons[i].data);
1703     if (self->nicons > 0)
1704         g_free(self->icons);
1705     self->nicons = 0;
1706
1707     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1708         /* figure out how many valid icons are in here */
1709         i = 0;
1710         while (num - i > 2) {
1711             w = data[i++];
1712             h = data[i++];
1713             i += w * h;
1714             if (i > num || w*h == 0) break;
1715             ++self->nicons;
1716         }
1717
1718         self->icons = g_new(ObClientIcon, self->nicons);
1719
1720         /* store the icons */
1721         i = 0;
1722         for (j = 0; j < self->nicons; ++j) {
1723             guint x, y, t;
1724
1725             w = self->icons[j].width = data[i++];
1726             h = self->icons[j].height = data[i++];
1727
1728             if (w*h == 0) continue;
1729
1730             self->icons[j].data = g_new(RrPixel32, w * h);
1731             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1732                 if (x >= w) {
1733                     x = 0;
1734                     ++y;
1735                 }
1736                 self->icons[j].data[t] =
1737                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1738                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1739                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1740                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1741             }
1742             g_assert(i <= num);
1743         }
1744
1745         g_free(data);
1746     } else if (PROP_GETA32(self->window, kwm_win_icon,
1747                            kwm_win_icon, &data, &num)) {
1748         if (num == 2) {
1749             self->nicons++;
1750             self->icons = g_new(ObClientIcon, self->nicons);
1751             xerror_set_ignore(TRUE);
1752             if (!RrPixmapToRGBA(ob_rr_inst,
1753                                 data[0], data[1],
1754                                 &self->icons[self->nicons-1].width,
1755                                 &self->icons[self->nicons-1].height,
1756                                 &self->icons[self->nicons-1].data)) {
1757                 g_free(&self->icons[self->nicons-1]);
1758                 self->nicons--;
1759             }
1760             xerror_set_ignore(FALSE);
1761         }
1762         g_free(data);
1763     } else {
1764         XWMHints *hints;
1765
1766         if ((hints = XGetWMHints(ob_display, self->window))) {
1767             if (hints->flags & IconPixmapHint) {
1768                 self->nicons++;
1769                 self->icons = g_new(ObClientIcon, self->nicons);
1770                 xerror_set_ignore(TRUE);
1771                 if (!RrPixmapToRGBA(ob_rr_inst,
1772                                     hints->icon_pixmap,
1773                                     (hints->flags & IconMaskHint ?
1774                                      hints->icon_mask : None),
1775                                     &self->icons[self->nicons-1].width,
1776                                     &self->icons[self->nicons-1].height,
1777                                     &self->icons[self->nicons-1].data)){
1778                     g_free(&self->icons[self->nicons-1]);
1779                     self->nicons--;
1780                 }
1781                 xerror_set_ignore(FALSE);
1782             }
1783             XFree(hints);
1784         }
1785     }
1786
1787     if (self->frame)
1788         frame_adjust_icon(self->frame);
1789 }
1790
1791 static void client_change_state(ObClient *self)
1792 {
1793     gulong state[2];
1794     gulong netstate[11];
1795     guint num;
1796
1797     state[0] = self->wmstate;
1798     state[1] = None;
1799     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1800
1801     num = 0;
1802     if (self->modal)
1803         netstate[num++] = prop_atoms.net_wm_state_modal;
1804     if (self->shaded)
1805         netstate[num++] = prop_atoms.net_wm_state_shaded;
1806     if (self->iconic)
1807         netstate[num++] = prop_atoms.net_wm_state_hidden;
1808     if (self->skip_taskbar)
1809         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1810     if (self->skip_pager)
1811         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1812     if (self->fullscreen)
1813         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1814     if (self->max_vert)
1815         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1816     if (self->max_horz)
1817         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1818     if (self->above)
1819         netstate[num++] = prop_atoms.net_wm_state_above;
1820     if (self->below)
1821         netstate[num++] = prop_atoms.net_wm_state_below;
1822     if (self->undecorated)
1823         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
1824     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1825
1826     client_calc_layer(self);
1827
1828     if (self->frame)
1829         frame_adjust_state(self->frame);
1830 }
1831
1832 ObClient *client_search_focus_tree(ObClient *self)
1833 {
1834     GSList *it;
1835     ObClient *ret;
1836
1837     for (it = self->transients; it; it = g_slist_next(it)) {
1838         if (client_focused(it->data)) return it->data;
1839         if ((ret = client_search_focus_tree(it->data))) return ret;
1840     }
1841     return NULL;
1842 }
1843
1844 ObClient *client_search_focus_tree_full(ObClient *self)
1845 {
1846     if (self->transient_for) {
1847         if (self->transient_for != OB_TRAN_GROUP) {
1848             return client_search_focus_tree_full(self->transient_for);
1849         } else {
1850             GSList *it;
1851             gboolean recursed = FALSE;
1852
1853             for (it = self->group->members; it; it = g_slist_next(it))
1854                 if (!((ObClient*)it->data)->transient_for) {
1855                     ObClient *c;
1856                     if ((c = client_search_focus_tree_full(it->data)))
1857                         return c;
1858                     recursed = TRUE;
1859                 }
1860             if (recursed)
1861                 return NULL;
1862         }
1863     }
1864
1865     /* this function checks the whole tree, the client_search_focus_tree~
1866        does not, so we need to check this window */
1867     if (client_focused(self))
1868         return self;
1869     return client_search_focus_tree(self);
1870 }
1871
1872 static ObStackingLayer calc_layer(ObClient *self)
1873 {
1874     ObStackingLayer l;
1875
1876     if (self->fullscreen &&
1877         (client_focused(self) || client_search_focus_tree(self)))
1878         l = OB_STACKING_LAYER_FULLSCREEN;
1879     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1880         l = OB_STACKING_LAYER_DESKTOP;
1881     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1882         if (self->below) l = OB_STACKING_LAYER_NORMAL;
1883         else l = OB_STACKING_LAYER_ABOVE;
1884     }
1885     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1886     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1887     else l = OB_STACKING_LAYER_NORMAL;
1888
1889     return l;
1890 }
1891
1892 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1893                                         ObStackingLayer l, gboolean raised)
1894 {
1895     ObStackingLayer old, own;
1896     GSList *it;
1897
1898     old = self->layer;
1899     own = calc_layer(self);
1900     self->layer = l > own ? l : own;
1901
1902     for (it = self->transients; it; it = g_slist_next(it))
1903         client_calc_layer_recursive(it->data, orig,
1904                                     l, raised ? raised : l != old);
1905
1906     if (!raised && l != old)
1907         if (orig->frame) { /* only restack if the original window is managed */
1908             stacking_remove(CLIENT_AS_WINDOW(self));
1909             stacking_add(CLIENT_AS_WINDOW(self));
1910         }
1911 }
1912
1913 void client_calc_layer(ObClient *self)
1914 {
1915     ObStackingLayer l;
1916     ObClient *orig;
1917
1918     orig = self;
1919
1920     /* transients take on the layer of their parents */
1921     self = client_search_top_transient(self);
1922
1923     l = calc_layer(self);
1924
1925     client_calc_layer_recursive(self, orig, l, FALSE);
1926 }
1927
1928 gboolean client_should_show(ObClient *self)
1929 {
1930     if (self->iconic)
1931         return FALSE;
1932     if (client_normal(self) && screen_showing_desktop)
1933         return FALSE;
1934     /*
1935     if (self->transient_for) {
1936         if (self->transient_for != OB_TRAN_GROUP)
1937             return client_should_show(self->transient_for);
1938         else {
1939             GSList *it;
1940
1941             for (it = self->group->members; it; it = g_slist_next(it)) {
1942                 ObClient *c = it->data;
1943                 if (c != self && !c->transient_for) {
1944                     if (client_should_show(c))
1945                         return TRUE;
1946                 }
1947             }
1948         }
1949     }
1950     */
1951     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
1952         return TRUE;
1953
1954     return FALSE;
1955 }
1956
1957 static void client_showhide(ObClient *self)
1958 {
1959
1960     if (client_should_show(self))
1961         frame_show(self->frame);
1962     else
1963         frame_hide(self->frame);
1964 }
1965
1966 gboolean client_normal(ObClient *self) {
1967     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1968               self->type == OB_CLIENT_TYPE_DOCK ||
1969               self->type == OB_CLIENT_TYPE_SPLASH);
1970 }
1971
1972 static void client_apply_startup_state(ObClient *self)
1973 {
1974     /* these are in a carefully crafted order.. */
1975
1976     if (self->iconic) {
1977         self->iconic = FALSE;
1978         client_iconify(self, TRUE, FALSE);
1979     }
1980     if (self->fullscreen) {
1981         self->fullscreen = FALSE;
1982         client_fullscreen(self, TRUE, FALSE);
1983     }
1984     if (self->undecorated) {
1985         self->undecorated = FALSE;
1986         client_set_undecorated(self, TRUE);
1987     }
1988     if (self->shaded) {
1989         self->shaded = FALSE;
1990         client_shade(self, TRUE);
1991     }
1992     if (self->urgent)
1993         client_urgent_notify(self);
1994
1995     if (self->max_vert && self->max_horz) {
1996         self->max_vert = self->max_horz = FALSE;
1997         client_maximize(self, TRUE, 0, FALSE);
1998     } else if (self->max_vert) {
1999         self->max_vert = FALSE;
2000         client_maximize(self, TRUE, 2, FALSE);
2001     } else if (self->max_horz) {
2002         self->max_horz = FALSE;
2003         client_maximize(self, TRUE, 1, FALSE);
2004     }
2005
2006     /* nothing to do for the other states:
2007        skip_taskbar
2008        skip_pager
2009        modal
2010        above
2011        below
2012     */
2013 }
2014
2015 void client_configure_full(ObClient *self, ObCorner anchor,
2016                            gint x, gint y, gint w, gint h,
2017                            gboolean user, gboolean final,
2018                            gboolean force_reply)
2019 {
2020     gint oldw, oldh;
2021     gboolean send_resize_client;
2022     gboolean moved = FALSE, resized = FALSE;
2023     guint fdecor = self->frame->decorations;
2024     gboolean fhorz = self->frame->max_horz;
2025
2026     /* make the frame recalculate its dimentions n shit without changing
2027        anything visible for real, this way the constraints below can work with
2028        the updated frame dimensions. */
2029     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2030
2031     /* gets the frame's position */
2032     frame_client_gravity(self->frame, &x, &y);
2033
2034     /* these positions are frame positions, not client positions */
2035
2036     /* set the size and position if fullscreen */
2037     if (self->fullscreen) {
2038         Rect *a;
2039         guint i;
2040
2041         i = client_monitor(self);
2042         a = screen_physical_area_monitor(i);
2043
2044         x = a->x;
2045         y = a->y;
2046         w = a->width;
2047         h = a->height;
2048
2049         user = FALSE; /* ignore that increment etc shit when in fullscreen */
2050     } else {
2051         Rect *a;
2052
2053         a = screen_area_monitor(self->desktop, client_monitor(self));
2054
2055         /* set the size and position if maximized */
2056         if (self->max_horz) {
2057             x = a->x;
2058             w = a->width - self->frame->size.left - self->frame->size.right;
2059         }
2060         if (self->max_vert) {
2061             y = a->y;
2062             h = a->height - self->frame->size.top - self->frame->size.bottom;
2063         }
2064     }
2065
2066     /* gets the client's position */
2067     frame_frame_gravity(self->frame, &x, &y);
2068
2069     /* these override the above states! if you cant move you can't move! */
2070     if (user) {
2071         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2072             x = self->area.x;
2073             y = self->area.y;
2074         }
2075         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2076             w = self->area.width;
2077             h = self->area.height;
2078         }
2079     }
2080
2081     if (!(w == self->area.width && h == self->area.height)) {
2082         gint basew, baseh, minw, minh;
2083
2084         /* base size is substituted with min size if not specified */
2085         if (self->base_size.width || self->base_size.height) {
2086             basew = self->base_size.width;
2087             baseh = self->base_size.height;
2088         } else {
2089             basew = self->min_size.width;
2090             baseh = self->min_size.height;
2091         }
2092         /* min size is substituted with base size if not specified */
2093         if (self->min_size.width || self->min_size.height) {
2094             minw = self->min_size.width;
2095             minh = self->min_size.height;
2096         } else {
2097             minw = self->base_size.width;
2098             minh = self->base_size.height;
2099         }
2100
2101         /* if this is a user-requested resize, then check against min/max
2102            sizes */
2103
2104         /* smaller than min size or bigger than max size? */
2105         if (w > self->max_size.width) w = self->max_size.width;
2106         if (w < minw) w = minw;
2107         if (h > self->max_size.height) h = self->max_size.height;
2108         if (h < minh) h = minh;
2109
2110         w -= basew;
2111         h -= baseh;
2112
2113         /* keep to the increments */
2114         w /= self->size_inc.width;
2115         h /= self->size_inc.height;
2116
2117         /* you cannot resize to nothing */
2118         if (basew + w < 1) w = 1 - basew;
2119         if (baseh + h < 1) h = 1 - baseh;
2120
2121         /* store the logical size */
2122         SIZE_SET(self->logical_size,
2123                  self->size_inc.width > 1 ? w : w + basew,
2124                  self->size_inc.height > 1 ? h : h + baseh);
2125
2126         w *= self->size_inc.width;
2127         h *= self->size_inc.height;
2128
2129         w += basew;
2130         h += baseh;
2131
2132         /* adjust the height to match the width for the aspect ratios.
2133            for this, min size is not substituted for base size ever. */
2134         w -= self->base_size.width;
2135         h -= self->base_size.height;
2136
2137         if (!self->fullscreen) {
2138             if (self->min_ratio)
2139                 if (h * self->min_ratio > w) {
2140                     h = (gint)(w / self->min_ratio);
2141
2142                     /* you cannot resize to nothing */
2143                     if (h < 1) {
2144                         h = 1;
2145                         w = (gint)(h * self->min_ratio);
2146                     }
2147                 }
2148             if (self->max_ratio)
2149                 if (h * self->max_ratio < w) {
2150                     h = (gint)(w / self->max_ratio);
2151
2152                     /* you cannot resize to nothing */
2153                     if (h < 1) {
2154                         h = 1;
2155                         w = (gint)(h * self->min_ratio);
2156                     }
2157                 }
2158         }
2159
2160         w += self->base_size.width;
2161         h += self->base_size.height;
2162     }
2163
2164     g_assert(w > 0);
2165     g_assert(h > 0);
2166
2167     switch (anchor) {
2168     case OB_CORNER_TOPLEFT:
2169         break;
2170     case OB_CORNER_TOPRIGHT:
2171         x -= w - self->area.width;
2172         break;
2173     case OB_CORNER_BOTTOMLEFT:
2174         y -= h - self->area.height;
2175         break;
2176     case OB_CORNER_BOTTOMRIGHT:
2177         x -= w - self->area.width;
2178         y -= h - self->area.height;
2179         break;
2180     }
2181
2182     moved = x != self->area.x || y != self->area.y;
2183     resized = w != self->area.width || h != self->area.height;
2184
2185     oldw = self->area.width;
2186     oldh = self->area.height;
2187     RECT_SET(self->area, x, y, w, h);
2188
2189     /* for app-requested resizes, always resize if 'resized' is true.
2190        for user-requested ones, only resize if final is true, or when
2191        resizing in redraw mode */
2192     send_resize_client = ((!user && resized) ||
2193                           (user && (final ||
2194                                     (resized && config_resize_redraw))));
2195
2196     /* if the client is enlarging, then resize the client before the frame */
2197     if (send_resize_client && user && (w > oldw || h > oldh))
2198         XResizeWindow(ob_display, self->window, MAX(w, oldw), MAX(h, oldh));
2199
2200     /* move/resize the frame to match the request */
2201     if (self->frame) {
2202         if (self->decorations != fdecor || self->max_horz != fhorz)
2203             moved = resized = TRUE;
2204
2205         if (moved || resized)
2206             frame_adjust_area(self->frame, moved, resized, FALSE);
2207
2208         if (!resized && (force_reply || ((!user && moved) || (user && final))))
2209         {
2210             XEvent event;
2211             event.type = ConfigureNotify;
2212             event.xconfigure.display = ob_display;
2213             event.xconfigure.event = self->window;
2214             event.xconfigure.window = self->window;
2215
2216             /* root window real coords */
2217             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
2218                 self->border_width;
2219             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
2220                 self->border_width;
2221             event.xconfigure.width = w;
2222             event.xconfigure.height = h;
2223             event.xconfigure.border_width = 0;
2224             event.xconfigure.above = self->frame->plate;
2225             event.xconfigure.override_redirect = FALSE;
2226             XSendEvent(event.xconfigure.display, event.xconfigure.window,
2227                        FALSE, StructureNotifyMask, &event);
2228         }
2229     }
2230
2231     /* if the client is shrinking, then resize the frame before the client */
2232     if (send_resize_client && (!user || (w <= oldw || h <= oldh)))
2233         XResizeWindow(ob_display, self->window, w, h);
2234
2235     XFlush(ob_display);
2236 }
2237
2238 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
2239 {
2240     gint x, y, w, h;
2241
2242     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2243         self->fullscreen == fs) return;                   /* already done */
2244
2245     self->fullscreen = fs;
2246     client_change_state(self); /* change the state hints on the client,
2247                                   and adjust out layer/stacking */
2248
2249     if (fs) {
2250         if (savearea)
2251             self->pre_fullscreen_area = self->area;
2252
2253         /* these are not actually used cuz client_configure will set them
2254            as appropriate when the window is fullscreened */
2255         x = y = w = h = 0;
2256     } else {
2257         Rect *a;
2258
2259         if (self->pre_fullscreen_area.width > 0 &&
2260             self->pre_fullscreen_area.height > 0)
2261         {
2262             x = self->pre_fullscreen_area.x;
2263             y = self->pre_fullscreen_area.y;
2264             w = self->pre_fullscreen_area.width;
2265             h = self->pre_fullscreen_area.height;
2266             RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2267         } else {
2268             /* pick some fallbacks... */
2269             a = screen_area_monitor(self->desktop, 0);
2270             x = a->x + a->width / 4;
2271             y = a->y + a->height / 4;
2272             w = a->width / 2;
2273             h = a->height / 2;
2274         }
2275     }
2276
2277     client_setup_decor_and_functions(self);
2278
2279     client_move_resize(self, x, y, w, h);
2280
2281     /* try focus us when we go into fullscreen mode */
2282     client_focus(self);
2283 }
2284
2285 static void client_iconify_recursive(ObClient *self,
2286                                      gboolean iconic, gboolean curdesk)
2287 {
2288     GSList *it;
2289     gboolean changed = FALSE;
2290
2291
2292     if (self->iconic != iconic) {
2293         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2294                  self->window);
2295
2296         self->iconic = iconic;
2297
2298         if (iconic) {
2299             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2300                 glong old;
2301
2302                 old = self->wmstate;
2303                 self->wmstate = IconicState;
2304                 if (old != self->wmstate)
2305                     PROP_MSG(self->window, kde_wm_change_state,
2306                              self->wmstate, 1, 0, 0);
2307
2308                 /* update the focus lists.. iconic windows go to the bottom of
2309                    the list, put the new iconic window at the 'top of the
2310                    bottom'. */
2311                 focus_order_to_top(self);
2312
2313                 changed = TRUE;
2314             }
2315         } else {
2316             glong old;
2317
2318             if (curdesk)
2319                 client_set_desktop(self, screen_desktop, FALSE);
2320
2321             old = self->wmstate;
2322             self->wmstate = self->shaded ? IconicState : NormalState;
2323             if (old != self->wmstate)
2324                 PROP_MSG(self->window, kde_wm_change_state,
2325                          self->wmstate, 1, 0, 0);
2326
2327             /* this puts it after the current focused window */
2328             focus_order_remove(self);
2329             focus_order_add_new(self);
2330
2331             changed = TRUE;
2332         }
2333     }
2334
2335     if (changed) {
2336         client_change_state(self);
2337         client_showhide(self);
2338         screen_update_areas();
2339     }
2340
2341     /* iconify all transients */
2342     for (it = self->transients; it; it = g_slist_next(it))
2343         if (it->data != self) client_iconify_recursive(it->data,
2344                                                        iconic, curdesk);
2345 }
2346
2347 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2348 {
2349     /* move up the transient chain as far as possible first */
2350     self = client_search_top_transient(self);
2351
2352     client_iconify_recursive(client_search_top_transient(self),
2353                              iconic, curdesk);
2354 }
2355
2356 void client_maximize(ObClient *self, gboolean max, gint dir, gboolean savearea)
2357 {
2358     gint x, y, w, h;
2359
2360     g_assert(dir == 0 || dir == 1 || dir == 2);
2361     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2362
2363     /* check if already done */
2364     if (max) {
2365         if (dir == 0 && self->max_horz && self->max_vert) return;
2366         if (dir == 1 && self->max_horz) return;
2367         if (dir == 2 && self->max_vert) return;
2368     } else {
2369         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2370         if (dir == 1 && !self->max_horz) return;
2371         if (dir == 2 && !self->max_vert) return;
2372     }
2373
2374     /* we just tell it to configure in the same place and client_configure
2375        worries about filling the screen with the window */
2376     x = self->area.x;
2377     y = self->area.y;
2378     w = self->area.width;
2379     h = self->area.height;
2380
2381     if (max) {
2382         if (savearea) {
2383             if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2384                 RECT_SET(self->pre_max_area,
2385                          self->area.x, self->pre_max_area.y,
2386                          self->area.width, self->pre_max_area.height);
2387             }
2388             if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2389                 RECT_SET(self->pre_max_area,
2390                          self->pre_max_area.x, self->area.y,
2391                          self->pre_max_area.width, self->area.height);
2392             }
2393         }
2394     } else {
2395         Rect *a;
2396
2397         a = screen_area_monitor(self->desktop, 0);
2398         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2399             if (self->pre_max_area.width > 0) {
2400                 x = self->pre_max_area.x;
2401                 w = self->pre_max_area.width;
2402
2403                 RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2404                          0, self->pre_max_area.height);
2405             } else {
2406                 /* pick some fallbacks... */
2407                 x = a->x + a->width / 4;
2408                 w = a->width / 2;
2409             }
2410         }
2411         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2412             if (self->pre_max_area.height > 0) {
2413                 y = self->pre_max_area.y;
2414                 h = self->pre_max_area.height;
2415
2416                 RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2417                          self->pre_max_area.width, 0);
2418             } else {
2419                 /* pick some fallbacks... */
2420                 y = a->y + a->height / 4;
2421                 h = a->height / 2;
2422             }
2423         }
2424     }
2425
2426     if (dir == 0 || dir == 1) /* horz */
2427         self->max_horz = max;
2428     if (dir == 0 || dir == 2) /* vert */
2429         self->max_vert = max;
2430
2431     client_change_state(self); /* change the state hints on the client */
2432
2433     client_setup_decor_and_functions(self);
2434
2435     client_move_resize(self, x, y, w, h);
2436 }
2437
2438 void client_shade(ObClient *self, gboolean shade)
2439 {
2440     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2441          shade) ||                         /* can't shade */
2442         self->shaded == shade) return;     /* already done */
2443
2444     /* when we're iconic, don't change the wmstate */
2445     if (!self->iconic) {
2446         glong old;
2447
2448         old = self->wmstate;
2449         self->wmstate = shade ? IconicState : NormalState;
2450         if (old != self->wmstate)
2451             PROP_MSG(self->window, kde_wm_change_state,
2452                      self->wmstate, 1, 0, 0);
2453     }
2454
2455     self->shaded = shade;
2456     client_change_state(self);
2457     /* resize the frame to just the titlebar */
2458     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2459 }
2460
2461 void client_close(ObClient *self)
2462 {
2463     XEvent ce;
2464
2465     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2466
2467     /* in the case that the client provides no means to requesting that it
2468        close, we just kill it */
2469     if (!self->delete_window)
2470         client_kill(self);
2471
2472     /*
2473       XXX: itd be cool to do timeouts and shit here for killing the client's
2474       process off
2475       like... if the window is around after 5 seconds, then the close button
2476       turns a nice red, and if this function is called again, the client is
2477       explicitly killed.
2478     */
2479
2480     ce.xclient.type = ClientMessage;
2481     ce.xclient.message_type =  prop_atoms.wm_protocols;
2482     ce.xclient.display = ob_display;
2483     ce.xclient.window = self->window;
2484     ce.xclient.format = 32;
2485     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2486     ce.xclient.data.l[1] = event_lasttime;
2487     ce.xclient.data.l[2] = 0l;
2488     ce.xclient.data.l[3] = 0l;
2489     ce.xclient.data.l[4] = 0l;
2490     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2491 }
2492
2493 void client_kill(ObClient *self)
2494 {
2495     XKillClient(ob_display, self->window);
2496 }
2497
2498 void client_set_desktop_recursive(ObClient *self,
2499                                   guint target, gboolean donthide)
2500 {
2501     guint old;
2502     GSList *it;
2503
2504     if (target != self->desktop) {
2505
2506         ob_debug("Setting desktop %u\n", target+1);
2507
2508         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2509
2510         /* remove from the old desktop(s) */
2511         focus_order_remove(self);
2512
2513         old = self->desktop;
2514         self->desktop = target;
2515         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2516         /* the frame can display the current desktop state */
2517         frame_adjust_state(self->frame);
2518         /* 'move' the window to the new desktop */
2519         if (!donthide)
2520             client_showhide(self);
2521         /* raise if it was not already on the desktop */
2522         if (old != DESKTOP_ALL)
2523             client_raise(self);
2524         screen_update_areas();
2525
2526         /* add to the new desktop(s) */
2527         if (config_focus_new)
2528             focus_order_to_top(self);
2529         else
2530             focus_order_to_bottom(self);
2531     }
2532
2533     /* move all transients */
2534     for (it = self->transients; it; it = g_slist_next(it))
2535         if (it->data != self) client_set_desktop_recursive(it->data,
2536                                                            target, donthide);
2537 }
2538
2539 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2540 {
2541     client_set_desktop_recursive(client_search_top_transient(self),
2542                                  target, donthide);
2543 }
2544
2545 ObClient *client_search_modal_child(ObClient *self)
2546 {
2547     GSList *it;
2548     ObClient *ret;
2549
2550     for (it = self->transients; it; it = g_slist_next(it)) {
2551         ObClient *c = it->data;
2552         if ((ret = client_search_modal_child(c))) return ret;
2553         if (c->modal) return c;
2554     }
2555     return NULL;
2556 }
2557
2558 gboolean client_validate(ObClient *self)
2559 {
2560     XEvent e;
2561
2562     XSync(ob_display, FALSE); /* get all events on the server */
2563
2564     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2565         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2566         XPutBackEvent(ob_display, &e);
2567         return FALSE;
2568     }
2569
2570     return TRUE;
2571 }
2572
2573 void client_set_wm_state(ObClient *self, glong state)
2574 {
2575     if (state == self->wmstate) return; /* no change */
2576
2577     switch (state) {
2578     case IconicState:
2579         client_iconify(self, TRUE, TRUE);
2580         break;
2581     case NormalState:
2582         client_iconify(self, FALSE, TRUE);
2583         break;
2584     }
2585 }
2586
2587 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
2588 {
2589     gboolean shaded = self->shaded;
2590     gboolean fullscreen = self->fullscreen;
2591     gboolean undecorated = self->undecorated;
2592     gboolean max_horz = self->max_horz;
2593     gboolean max_vert = self->max_vert;
2594     gboolean modal = self->modal;
2595     gboolean iconic = self->iconic;
2596     gint i;
2597
2598     if (!(action == prop_atoms.net_wm_state_add ||
2599           action == prop_atoms.net_wm_state_remove ||
2600           action == prop_atoms.net_wm_state_toggle))
2601         /* an invalid action was passed to the client message, ignore it */
2602         return;
2603
2604     for (i = 0; i < 2; ++i) {
2605         Atom state = i == 0 ? data1 : data2;
2606
2607         if (!state) continue;
2608
2609         /* if toggling, then pick whether we're adding or removing */
2610         if (action == prop_atoms.net_wm_state_toggle) {
2611             if (state == prop_atoms.net_wm_state_modal)
2612                 action = modal ? prop_atoms.net_wm_state_remove :
2613                     prop_atoms.net_wm_state_add;
2614             else if (state == prop_atoms.net_wm_state_maximized_vert)
2615                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2616                     prop_atoms.net_wm_state_add;
2617             else if (state == prop_atoms.net_wm_state_maximized_horz)
2618                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2619                     prop_atoms.net_wm_state_add;
2620             else if (state == prop_atoms.net_wm_state_shaded)
2621                 action = shaded ? prop_atoms.net_wm_state_remove :
2622                     prop_atoms.net_wm_state_add;
2623             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2624                 action = self->skip_taskbar ?
2625                     prop_atoms.net_wm_state_remove :
2626                     prop_atoms.net_wm_state_add;
2627             else if (state == prop_atoms.net_wm_state_skip_pager)
2628                 action = self->skip_pager ?
2629                     prop_atoms.net_wm_state_remove :
2630                     prop_atoms.net_wm_state_add;
2631             else if (state == prop_atoms.net_wm_state_hidden)
2632                 action = self->iconic ?
2633                     prop_atoms.net_wm_state_remove :
2634                     prop_atoms.net_wm_state_add;
2635             else if (state == prop_atoms.net_wm_state_fullscreen)
2636                 action = fullscreen ?
2637                     prop_atoms.net_wm_state_remove :
2638                     prop_atoms.net_wm_state_add;
2639             else if (state == prop_atoms.net_wm_state_above)
2640                 action = self->above ? prop_atoms.net_wm_state_remove :
2641                     prop_atoms.net_wm_state_add;
2642             else if (state == prop_atoms.net_wm_state_below)
2643                 action = self->below ? prop_atoms.net_wm_state_remove :
2644                     prop_atoms.net_wm_state_add;
2645             else if (state == prop_atoms.ob_wm_state_undecorated)
2646                 action = undecorated ? prop_atoms.net_wm_state_remove :
2647                     prop_atoms.net_wm_state_add;
2648         }
2649
2650         if (action == prop_atoms.net_wm_state_add) {
2651             if (state == prop_atoms.net_wm_state_modal) {
2652                 modal = TRUE;
2653             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2654                 max_vert = TRUE;
2655             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2656                 max_horz = TRUE;
2657             } else if (state == prop_atoms.net_wm_state_shaded) {
2658                 shaded = TRUE;
2659             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2660                 self->skip_taskbar = TRUE;
2661             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2662                 self->skip_pager = TRUE;
2663             } else if (state == prop_atoms.net_wm_state_hidden) {
2664                 iconic = TRUE;
2665             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2666                 fullscreen = TRUE;
2667             } else if (state == prop_atoms.net_wm_state_above) {
2668                 self->above = TRUE;
2669                 self->below = FALSE;
2670             } else if (state == prop_atoms.net_wm_state_below) {
2671                 self->above = FALSE;
2672                 self->below = TRUE;
2673             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2674                 undecorated = TRUE;
2675             }
2676
2677         } else { /* action == prop_atoms.net_wm_state_remove */
2678             if (state == prop_atoms.net_wm_state_modal) {
2679                 modal = FALSE;
2680             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2681                 max_vert = FALSE;
2682             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2683                 max_horz = FALSE;
2684             } else if (state == prop_atoms.net_wm_state_shaded) {
2685                 shaded = FALSE;
2686             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2687                 self->skip_taskbar = FALSE;
2688             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2689                 self->skip_pager = FALSE;
2690             } else if (state == prop_atoms.net_wm_state_hidden) {
2691                 iconic = FALSE;
2692             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2693                 fullscreen = FALSE;
2694             } else if (state == prop_atoms.net_wm_state_above) {
2695                 self->above = FALSE;
2696             } else if (state == prop_atoms.net_wm_state_below) {
2697                 self->below = FALSE;
2698             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2699                 undecorated = FALSE;
2700             }
2701         }
2702     }
2703     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2704         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2705             /* toggling both */
2706             if (max_horz == max_vert) { /* both going the same way */
2707                 client_maximize(self, max_horz, 0, TRUE);
2708             } else {
2709                 client_maximize(self, max_horz, 1, TRUE);
2710                 client_maximize(self, max_vert, 2, TRUE);
2711             }
2712         } else {
2713             /* toggling one */
2714             if (max_horz != self->max_horz)
2715                 client_maximize(self, max_horz, 1, TRUE);
2716             else
2717                 client_maximize(self, max_vert, 2, TRUE);
2718         }
2719     }
2720     /* change fullscreen state before shading, as it will affect if the window
2721        can shade or not */
2722     if (fullscreen != self->fullscreen)
2723         client_fullscreen(self, fullscreen, TRUE);
2724     if (shaded != self->shaded)
2725         client_shade(self, shaded);
2726     if (undecorated != self->undecorated)
2727         client_set_undecorated(self, undecorated);
2728     if (modal != self->modal) {
2729         self->modal = modal;
2730         /* when a window changes modality, then its stacking order with its
2731            transients needs to change */
2732         client_raise(self);
2733     }
2734     if (iconic != self->iconic)
2735         client_iconify(self, iconic, FALSE);
2736
2737     client_calc_layer(self);
2738     client_change_state(self); /* change the hint to reflect these changes */
2739 }
2740
2741 ObClient *client_focus_target(ObClient *self)
2742 {
2743     ObClient *child;
2744
2745     /* if we have a modal child, then focus it, not us */
2746     child = client_search_modal_child(client_search_top_transient(self));
2747     if (child) return child;
2748     return self;
2749 }
2750
2751 gboolean client_can_focus(ObClient *self)
2752 {
2753     XEvent ev;
2754
2755     /* choose the correct target */
2756     self = client_focus_target(self);
2757
2758     if (!self->frame->visible)
2759         return FALSE;
2760
2761     if (!(self->can_focus || self->focus_notify))
2762         return FALSE;
2763
2764     /* do a check to see if the window has already been unmapped or destroyed
2765        do this intelligently while watching out for unmaps we've generated
2766        (ignore_unmaps > 0) */
2767     if (XCheckTypedWindowEvent(ob_display, self->window,
2768                                DestroyNotify, &ev)) {
2769         XPutBackEvent(ob_display, &ev);
2770         return FALSE;
2771     }
2772     while (XCheckTypedWindowEvent(ob_display, self->window,
2773                                   UnmapNotify, &ev)) {
2774         if (self->ignore_unmaps) {
2775             self->ignore_unmaps--;
2776         } else {
2777             XPutBackEvent(ob_display, &ev);
2778             return FALSE;
2779         }
2780     }
2781
2782     return TRUE;
2783 }
2784
2785 gboolean client_focus(ObClient *self)
2786 {
2787     /* choose the correct target */
2788     self = client_focus_target(self);
2789
2790     if (!client_can_focus(self)) {
2791         if (!self->frame->visible) {
2792             /* update the focus lists */
2793             focus_order_to_top(self);
2794         }
2795         return FALSE;
2796     }
2797
2798     if (self->can_focus) {
2799         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2800            I choose to use it always, hopefully to find errors quicker, if any
2801            are left. (I hate X. I hate focus events.)
2802
2803            Update: Changing this to RevertToNone fixed a bug with mozilla (bug
2804            #799. So now it is RevertToNone again.
2805         */
2806         XSetInputFocus(ob_display, self->window, RevertToNone,
2807                        event_lasttime);
2808     }
2809
2810     if (self->focus_notify) {
2811         XEvent ce;
2812         ce.xclient.type = ClientMessage;
2813         ce.xclient.message_type = prop_atoms.wm_protocols;
2814         ce.xclient.display = ob_display;
2815         ce.xclient.window = self->window;
2816         ce.xclient.format = 32;
2817         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2818         ce.xclient.data.l[1] = event_lasttime;
2819         ce.xclient.data.l[2] = 0l;
2820         ce.xclient.data.l[3] = 0l;
2821         ce.xclient.data.l[4] = 0l;
2822         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2823     }
2824
2825 #ifdef DEBUG_FOCUS
2826     ob_debug("%sively focusing %lx at %d\n",
2827              (self->can_focus ? "act" : "pass"),
2828              self->window, (gint) event_lasttime);
2829 #endif
2830
2831     /* Cause the FocusIn to come back to us. Important for desktop switches,
2832        since otherwise we'll have no FocusIn on the queue and send it off to
2833        the focus_backup. */
2834     XSync(ob_display, FALSE);
2835     return TRUE;
2836 }
2837
2838 /* Used when the current client is closed, focus_last will then prevent
2839  * focus from going to the mouse pointer */
2840 void client_unfocus(ObClient *self)
2841 {
2842     if (focus_client == self) {
2843 #ifdef DEBUG_FOCUS
2844         ob_debug("client_unfocus for %lx\n", self->window);
2845 #endif
2846         focus_fallback(OB_FOCUS_FALLBACK_CLOSED);
2847     }
2848 }
2849
2850 void client_activate(ObClient *self, gboolean here)
2851 {
2852     /* This check is for the client_list_menu trying to activate
2853      * a closed client. */
2854     if (!g_list_find(client_list, self)) return;
2855     if (client_normal(self) && screen_showing_desktop)
2856         screen_show_desktop(FALSE);
2857     if (self->iconic)
2858         client_iconify(self, FALSE, here);
2859     if (self->desktop != DESKTOP_ALL &&
2860         self->desktop != screen_desktop) {
2861         if (here)
2862             client_set_desktop(self, screen_desktop, FALSE);
2863         else
2864             screen_set_desktop(self->desktop);
2865     } else if (!self->frame->visible)
2866         /* if its not visible for other reasons, then don't mess
2867            with it */
2868         return;
2869     if (self->shaded)
2870         client_shade(self, FALSE);
2871
2872     client_focus(self);
2873
2874     /* we do this an action here. this is rather important. this is because
2875        we want the results from the focus change to take place BEFORE we go
2876        about raising the window. when a fullscreen window loses focus, we need
2877        this or else the raise wont be able to raise above the to-lose-focus
2878        fullscreen window. */
2879     client_raise(self);
2880 }
2881
2882 void client_raise(ObClient *self)
2883 {
2884     action_run_string("Raise", self);
2885 }
2886
2887 void client_lower(ObClient *self)
2888 {
2889     action_run_string("Lower", self);
2890 }
2891
2892 gboolean client_focused(ObClient *self)
2893 {
2894     return self == focus_client;
2895 }
2896
2897 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
2898 {
2899     guint i;
2900     /* si is the smallest image >= req */
2901     /* li is the largest image < req */
2902     gulong size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2903
2904     if (!self->nicons) {
2905         ObClientIcon *parent = NULL;
2906
2907         if (self->transient_for) {
2908             if (self->transient_for != OB_TRAN_GROUP)
2909                 parent = client_icon_recursive(self->transient_for, w, h);
2910             else {
2911                 GSList *it;
2912                 for (it = self->group->members; it; it = g_slist_next(it)) {
2913                     ObClient *c = it->data;
2914                     if (c != self && !c->transient_for) {
2915                         if ((parent = client_icon_recursive(c, w, h)))
2916                             break;
2917                     }
2918                 }
2919             }
2920         }
2921
2922         return parent;
2923     }
2924
2925     for (i = 0; i < self->nicons; ++i) {
2926         size = self->icons[i].width * self->icons[i].height;
2927         if (size < smallest && size >= (unsigned)(w * h)) {
2928             smallest = size;
2929             si = i;
2930         }
2931         if (size > largest && size <= (unsigned)(w * h)) {
2932             largest = size;
2933             li = i;
2934         }
2935     }
2936     if (largest == 0) /* didnt find one smaller than the requested size */
2937         return &self->icons[si];
2938     return &self->icons[li];
2939 }
2940
2941 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
2942 {
2943     ObClientIcon *ret;
2944     static ObClientIcon deficon;
2945
2946     if (!(ret = client_icon_recursive(self, w, h))) {
2947         deficon.width = deficon.height = 48;
2948         deficon.data = ob_rr_theme->def_win_icon;
2949         ret = &deficon;
2950     }
2951     return ret;
2952 }
2953
2954 /* this be mostly ripped from fvwm */
2955 ObClient *client_find_directional(ObClient *c, ObDirection dir)
2956 {
2957     gint my_cx, my_cy, his_cx, his_cy;
2958     gint offset = 0;
2959     gint distance = 0;
2960     gint score, best_score;
2961     ObClient *best_client, *cur;
2962     GList *it;
2963
2964     if(!client_list)
2965         return NULL;
2966
2967     /* first, find the centre coords of the currently focused window */
2968     my_cx = c->frame->area.x + c->frame->area.width / 2;
2969     my_cy = c->frame->area.y + c->frame->area.height / 2;
2970
2971     best_score = -1;
2972     best_client = NULL;
2973
2974     for(it = g_list_first(client_list); it; it = g_list_next(it)) {
2975         cur = it->data;
2976
2977         /* the currently selected window isn't interesting */
2978         if(cur == c)
2979             continue;
2980         if (!client_normal(cur))
2981             continue;
2982         /* using c->desktop instead of screen_desktop doesn't work if the
2983          * current window was omnipresent, hope this doesn't have any other
2984          * side effects */
2985         if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2986             continue;
2987         if(cur->iconic)
2988             continue;
2989         if(client_focus_target(cur) == cur &&
2990            !(cur->can_focus || cur->focus_notify))
2991             continue;
2992
2993         /* find the centre coords of this window, from the
2994          * currently focused window's point of view */
2995         his_cx = (cur->frame->area.x - my_cx)
2996             + cur->frame->area.width / 2;
2997         his_cy = (cur->frame->area.y - my_cy)
2998             + cur->frame->area.height / 2;
2999
3000         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
3001            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
3002             gint tx;
3003             /* Rotate the diagonals 45 degrees counterclockwise.
3004              * To do this, multiply the matrix /+h +h\ with the
3005              * vector (x y).                   \-h +h/
3006              * h = sqrt(0.5). We can set h := 1 since absolute
3007              * distance doesn't matter here. */
3008             tx = his_cx + his_cy;
3009             his_cy = -his_cx + his_cy;
3010             his_cx = tx;
3011         }
3012
3013         switch(dir) {
3014         case OB_DIRECTION_NORTH:
3015         case OB_DIRECTION_SOUTH:
3016         case OB_DIRECTION_NORTHEAST:
3017         case OB_DIRECTION_SOUTHWEST:
3018             offset = (his_cx < 0) ? -his_cx : his_cx;
3019             distance = ((dir == OB_DIRECTION_NORTH ||
3020                          dir == OB_DIRECTION_NORTHEAST) ?
3021                         -his_cy : his_cy);
3022             break;
3023         case OB_DIRECTION_EAST:
3024         case OB_DIRECTION_WEST:
3025         case OB_DIRECTION_SOUTHEAST:
3026         case OB_DIRECTION_NORTHWEST:
3027             offset = (his_cy < 0) ? -his_cy : his_cy;
3028             distance = ((dir == OB_DIRECTION_WEST ||
3029                          dir == OB_DIRECTION_NORTHWEST) ?
3030                         -his_cx : his_cx);
3031             break;
3032         }
3033
3034         /* the target must be in the requested direction */
3035         if(distance <= 0)
3036             continue;
3037
3038         /* Calculate score for this window.  The smaller the better. */
3039         score = distance + offset;
3040
3041         /* windows more than 45 degrees off the direction are
3042          * heavily penalized and will only be chosen if nothing
3043          * else within a million pixels */
3044         if(offset > distance)
3045             score += 1000000;
3046
3047         if(best_score == -1 || score < best_score)
3048             best_client = cur,
3049                 best_score = score;
3050     }
3051
3052     return best_client;
3053 }
3054
3055 void client_set_layer(ObClient *self, gint layer)
3056 {
3057     if (layer < 0) {
3058         self->below = TRUE;
3059         self->above = FALSE;
3060     } else if (layer == 0) {
3061         self->below = self->above = FALSE;
3062     } else {
3063         self->below = FALSE;
3064         self->above = TRUE;
3065     }
3066     client_calc_layer(self);
3067     client_change_state(self); /* reflect this in the state hints */
3068 }
3069
3070 void client_set_undecorated(ObClient *self, gboolean undecorated)
3071 {
3072     if (self->undecorated != undecorated) {
3073         self->undecorated = undecorated;
3074         client_setup_decor_and_functions(self);
3075         /* Make sure the client knows it might have moved. Maybe there is a
3076          * better way of doing this so only one client_configure is sent, but
3077          * since 125 of these are sent per second when moving the window (with
3078          * user = FALSE) i doubt it matters much.
3079          */
3080         client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
3081                          self->area.width, self->area.height, TRUE, TRUE);
3082         client_change_state(self); /* reflect this in the state hints */
3083     }
3084 }
3085
3086 /* Determines which physical monitor a client is on by calculating the
3087    area of the part of the client on each monitor.  The number of the
3088    monitor containing the greatest area of the client is returned.*/
3089 guint client_monitor(ObClient *self)
3090 {
3091     guint i;
3092     guint most = 0;
3093     guint mostv = 0;
3094
3095     for (i = 0; i < screen_num_monitors; ++i) {
3096         Rect *area = screen_physical_area_monitor(i);
3097         if (RECT_INTERSECTS_RECT(*area, self->frame->area)) {
3098             Rect r;
3099             guint v;
3100
3101             RECT_SET_INTERSECTION(r, *area, self->frame->area);
3102             v = r.width * r.height;
3103
3104             if (v > mostv) {
3105                 mostv = v;
3106                 most = i;
3107             }
3108         }
3109     }
3110     return most;
3111 }
3112
3113 ObClient *client_search_top_transient(ObClient *self)
3114 {
3115     /* move up the transient chain as far as possible */
3116     if (self->transient_for) {
3117         if (self->transient_for != OB_TRAN_GROUP) {
3118             return client_search_top_transient(self->transient_for);
3119         } else {
3120             GSList *it;
3121
3122             g_assert(self->group);
3123
3124             for (it = self->group->members; it; it = g_slist_next(it)) {
3125                 ObClient *c = it->data;
3126
3127                 /* checking transient_for prevents infinate loops! */
3128                 if (c != self && !c->transient_for)
3129                     break;
3130             }
3131             if (it)
3132                 return it->data;
3133         }
3134     }
3135
3136     return self;
3137 }
3138
3139 ObClient *client_search_focus_parent(ObClient *self)
3140 {
3141     if (self->transient_for) {
3142         if (self->transient_for != OB_TRAN_GROUP) {
3143             if (client_focused(self->transient_for))
3144                 return self->transient_for;
3145         } else {
3146             GSList *it;
3147
3148             for (it = self->group->members; it; it = g_slist_next(it)) {
3149                 ObClient *c = it->data;
3150
3151                 /* checking transient_for prevents infinate loops! */
3152                 if (c != self && !c->transient_for)
3153                     if (client_focused(c))
3154                         return c;
3155             }
3156         }
3157     }
3158
3159     return NULL;
3160 }
3161
3162 ObClient *client_search_parent(ObClient *self, ObClient *search)
3163 {
3164     if (self->transient_for) {
3165         if (self->transient_for != OB_TRAN_GROUP) {
3166             if (self->transient_for == search)
3167                 return search;
3168         } else {
3169             GSList *it;
3170
3171             for (it = self->group->members; it; it = g_slist_next(it)) {
3172                 ObClient *c = it->data;
3173
3174                 /* checking transient_for prevents infinate loops! */
3175                 if (c != self && !c->transient_for)
3176                     if (c == search)
3177                         return search;
3178             }
3179         }
3180     }
3181
3182     return NULL;
3183 }
3184
3185 ObClient *client_search_transient(ObClient *self, ObClient *search)
3186 {
3187     GSList *sit;
3188
3189     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3190         if (sit->data == search)
3191             return search;
3192         if (client_search_transient(sit->data, search))
3193             return search;
3194     }
3195     return NULL;
3196 }
3197
3198 void client_update_sm_client_id(ObClient *self)
3199 {
3200     g_free(self->sm_client_id);
3201     self->sm_client_id = NULL;
3202
3203     if (!PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id) &&
3204         self->group)
3205         PROP_GETS(self->group->leader, sm_client_id, locale,
3206                   &self->sm_client_id);
3207 }
3208
3209 /* finds the nearest edge in the given direction from the current client
3210  * note to self: the edge is the -frame- edge (the actual one), not the
3211  * client edge.
3212  */
3213 gint client_directional_edge_search(ObClient *c, ObDirection dir)
3214 {
3215     gint dest, monitor_dest;
3216     gint my_edge_start, my_edge_end, my_offset;
3217     GList *it;
3218     Rect *a, *monitor;
3219
3220     if(!client_list)
3221         return -1;
3222
3223     a = screen_area(c->desktop);
3224     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3225
3226     switch(dir) {
3227     case OB_DIRECTION_NORTH:
3228         my_edge_start = c->frame->area.x;
3229         my_edge_end = c->frame->area.x + c->frame->area.width;
3230         my_offset = c->frame->area.y;
3231
3232         /* default: top of screen */
3233         dest = a->y;
3234         monitor_dest = monitor->y;
3235         /* if the monitor edge comes before the screen edge, */
3236         /* use that as the destination instead. (For xinerama) */
3237         if (monitor_dest != dest && my_offset > monitor_dest)
3238             dest = monitor_dest;
3239
3240         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3241             gint his_edge_start, his_edge_end, his_offset;
3242             ObClient *cur = it->data;
3243
3244             if(cur == c)
3245                 continue;
3246             if(!client_normal(cur))
3247                 continue;
3248             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3249                 continue;
3250             if(cur->iconic)
3251                 continue;
3252             if(cur->layer < c->layer && !config_resist_layers_below)
3253                 continue;
3254
3255             his_edge_start = cur->frame->area.x;
3256             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3257             his_offset = cur->frame->area.y + cur->frame->area.height;
3258
3259             if(his_offset + 1 > my_offset)
3260                 continue;
3261
3262             if(his_offset < dest)
3263                 continue;
3264
3265             if(his_edge_start >= my_edge_start &&
3266                his_edge_start <= my_edge_end)
3267                 dest = his_offset;
3268
3269             if(my_edge_start >= his_edge_start &&
3270                my_edge_start <= his_edge_end)
3271                 dest = his_offset;
3272
3273         }
3274         break;
3275     case OB_DIRECTION_SOUTH:
3276         my_edge_start = c->frame->area.x;
3277         my_edge_end = c->frame->area.x + c->frame->area.width;
3278         my_offset = c->frame->area.y + c->frame->area.height;
3279
3280         /* default: bottom of screen */
3281         dest = a->y + a->height;
3282         monitor_dest = monitor->y + monitor->height;
3283         /* if the monitor edge comes before the screen edge, */
3284         /* use that as the destination instead. (For xinerama) */
3285         if (monitor_dest != dest && my_offset < monitor_dest)
3286             dest = monitor_dest;
3287
3288         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3289             gint his_edge_start, his_edge_end, his_offset;
3290             ObClient *cur = it->data;
3291
3292             if(cur == c)
3293                 continue;
3294             if(!client_normal(cur))
3295                 continue;
3296             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3297                 continue;
3298             if(cur->iconic)
3299                 continue;
3300             if(cur->layer < c->layer && !config_resist_layers_below)
3301                 continue;
3302
3303             his_edge_start = cur->frame->area.x;
3304             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3305             his_offset = cur->frame->area.y;
3306
3307
3308             if(his_offset - 1 < my_offset)
3309                 continue;
3310
3311             if(his_offset > dest)
3312                 continue;
3313
3314             if(his_edge_start >= my_edge_start &&
3315                his_edge_start <= my_edge_end)
3316                 dest = his_offset;
3317
3318             if(my_edge_start >= his_edge_start &&
3319                my_edge_start <= his_edge_end)
3320                 dest = his_offset;
3321
3322         }
3323         break;
3324     case OB_DIRECTION_WEST:
3325         my_edge_start = c->frame->area.y;
3326         my_edge_end = c->frame->area.y + c->frame->area.height;
3327         my_offset = c->frame->area.x;
3328
3329         /* default: leftmost egde of screen */
3330         dest = a->x;
3331         monitor_dest = monitor->x;
3332         /* if the monitor edge comes before the screen edge, */
3333         /* use that as the destination instead. (For xinerama) */
3334         if (monitor_dest != dest && my_offset > monitor_dest)
3335             dest = monitor_dest;
3336
3337         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3338             gint his_edge_start, his_edge_end, his_offset;
3339             ObClient *cur = it->data;
3340
3341             if(cur == c)
3342                 continue;
3343             if(!client_normal(cur))
3344                 continue;
3345             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3346                 continue;
3347             if(cur->iconic)
3348                 continue;
3349             if(cur->layer < c->layer && !config_resist_layers_below)
3350                 continue;
3351
3352             his_edge_start = cur->frame->area.y;
3353             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3354             his_offset = cur->frame->area.x + cur->frame->area.width;
3355
3356             if(his_offset + 1 > my_offset)
3357                 continue;
3358
3359             if(his_offset < dest)
3360                 continue;
3361
3362             if(his_edge_start >= my_edge_start &&
3363                his_edge_start <= my_edge_end)
3364                 dest = his_offset;
3365
3366             if(my_edge_start >= his_edge_start &&
3367                my_edge_start <= his_edge_end)
3368                 dest = his_offset;
3369
3370
3371         }
3372         break;
3373     case OB_DIRECTION_EAST:
3374         my_edge_start = c->frame->area.y;
3375         my_edge_end = c->frame->area.y + c->frame->area.height;
3376         my_offset = c->frame->area.x + c->frame->area.width;
3377
3378         /* default: rightmost edge of screen */
3379         dest = a->x + a->width;
3380         monitor_dest = monitor->x + monitor->width;
3381         /* if the monitor edge comes before the screen edge, */
3382         /* use that as the destination instead. (For xinerama) */
3383         if (monitor_dest != dest && my_offset < monitor_dest)
3384             dest = monitor_dest;
3385
3386         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3387             gint his_edge_start, his_edge_end, his_offset;
3388             ObClient *cur = it->data;
3389
3390             if(cur == c)
3391                 continue;
3392             if(!client_normal(cur))
3393                 continue;
3394             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3395                 continue;
3396             if(cur->iconic)
3397                 continue;
3398             if(cur->layer < c->layer && !config_resist_layers_below)
3399                 continue;
3400
3401             his_edge_start = cur->frame->area.y;
3402             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3403             his_offset = cur->frame->area.x;
3404
3405             if(his_offset - 1 < my_offset)
3406                 continue;
3407
3408             if(his_offset > dest)
3409                 continue;
3410
3411             if(his_edge_start >= my_edge_start &&
3412                his_edge_start <= my_edge_end)
3413                 dest = his_offset;
3414
3415             if(my_edge_start >= his_edge_start &&
3416                my_edge_start <= his_edge_end)
3417                 dest = his_offset;
3418
3419         }
3420         break;
3421     case OB_DIRECTION_NORTHEAST:
3422     case OB_DIRECTION_SOUTHEAST:
3423     case OB_DIRECTION_NORTHWEST:
3424     case OB_DIRECTION_SOUTHWEST:
3425         /* not implemented */
3426     default:
3427         g_assert_not_reached();
3428         dest = 0; /* suppress warning */
3429     }
3430     return dest;
3431 }
3432
3433 ObClient* client_under_pointer()
3434 {
3435     gint x, y;
3436     GList *it;
3437     ObClient *ret = NULL;
3438
3439     if (screen_pointer_pos(&x, &y)) {
3440         for (it = stacking_list; it; it = g_list_next(it)) {
3441             if (WINDOW_IS_CLIENT(it->data)) {
3442                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3443                 if (c->frame->visible &&
3444                     RECT_CONTAINS(c->frame->area, x, y)) {
3445                     ret = c;
3446                     break;
3447                 }
3448             }
3449         }
3450     }
3451     return ret;
3452 }
3453
3454 gboolean client_has_group_siblings(ObClient *self)
3455 {
3456     return self->group && self->group->members->next;
3457 }