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             // http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1540             if (self->transient) {
1541                 data = g_strdup("");
1542                 goto no_number;
1543             } else
1544                 data = g_strdup("Unnamed Window");
1545         }
1546     }
1547
1548     /* did the title change? then reset the title_count */
1549     if (old_title && 0 != strncmp(old_title, data, strlen(data)))
1550         self->title_count = 1;
1551
1552     /* look for duplicates and append a number */
1553     nums = 0;
1554     for (it = client_list; it; it = g_list_next(it))
1555         if (it->data != self) {
1556             ObClient *c = it->data;
1557             if (0 == strncmp(c->title, data, strlen(data)))
1558                 nums |= 1 << c->title_count;
1559         }
1560     /* find first free number */
1561     for (i = 1; i <= 32; ++i)
1562         if (!(nums & (1 << i))) {
1563             if (self->title_count == 1 || i == 1)
1564                 self->title_count = i;
1565             break;
1566         }
1567     /* dont display the number for the first window */
1568     if (self->title_count > 1) {
1569         gchar *ndata;
1570         ndata = g_strdup_printf("%s - [%u]", data, self->title_count);
1571         g_free(data);
1572         data = ndata;
1573     }
1574
1575     PROP_SETS(self->window, net_wm_visible_name, data);
1576 no_number:
1577     self->title = data;
1578
1579     if (self->frame)
1580         frame_adjust_title(self->frame);
1581
1582     g_free(old_title);
1583
1584     /* update the icon title */
1585     data = NULL;
1586     g_free(self->icon_title);
1587
1588     read_title = TRUE;
1589     /* try netwm */
1590     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1591         /* try old x stuff */
1592         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1593             data = g_strdup(self->title);
1594             read_title = FALSE;
1595         }
1596
1597     /* append the title count, dont display the number for the first window */
1598     if (read_title && self->title_count > 1) {
1599         gchar *vdata, *ndata;
1600         ndata = g_strdup_printf(" - [%u]", self->title_count);
1601         vdata = g_strconcat(data, ndata, NULL);
1602         g_free(ndata);
1603         g_free(data);
1604         data = vdata;
1605     }
1606
1607     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1608
1609     self->icon_title = data;
1610 }
1611
1612 void client_update_class(ObClient *self)
1613 {
1614     gchar **data;
1615     gchar *s;
1616
1617     if (self->name) g_free(self->name);
1618     if (self->class) g_free(self->class);
1619     if (self->role) g_free(self->role);
1620
1621     self->name = self->class = self->role = NULL;
1622
1623     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1624         if (data[0]) {
1625             self->name = g_strdup(data[0]);
1626             if (data[1])
1627                 self->class = g_strdup(data[1]);
1628         }
1629         g_strfreev(data);
1630     }
1631
1632     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1633         self->role = s;
1634
1635     if (self->name == NULL) self->name = g_strdup("");
1636     if (self->class == NULL) self->class = g_strdup("");
1637     if (self->role == NULL) self->role = g_strdup("");
1638 }
1639
1640 void client_update_strut(ObClient *self)
1641 {
1642     guint num;
1643     guint32 *data;
1644     gboolean got = FALSE;
1645     StrutPartial strut;
1646
1647     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1648                     &data, &num)) {
1649         if (num == 12) {
1650             got = TRUE;
1651             STRUT_PARTIAL_SET(strut,
1652                               data[0], data[2], data[1], data[3],
1653                               data[4], data[5], data[8], data[9],
1654                               data[6], data[7], data[10], data[11]);
1655         }
1656         g_free(data);
1657     }
1658
1659     if (!got &&
1660         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1661         if (num == 4) {
1662             const Rect *a;
1663
1664             got = TRUE;
1665
1666             /* use the screen's width/height */
1667             a = screen_physical_area();
1668
1669             STRUT_PARTIAL_SET(strut,
1670                               data[0], data[2], data[1], data[3],
1671                               a->y, a->y + a->height - 1,
1672                               a->x, a->x + a->width - 1,
1673                               a->y, a->y + a->height - 1,
1674                               a->x, a->x + a->width - 1);
1675         }
1676         g_free(data);
1677     }
1678
1679     if (!got)
1680         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1681                           0, 0, 0, 0, 0, 0, 0, 0);
1682
1683     if (!STRUT_EQUAL(strut, self->strut)) {
1684         self->strut = strut;
1685
1686         /* updating here is pointless while we're being mapped cuz we're not in
1687            the client list yet */
1688         if (self->frame)
1689             screen_update_areas();
1690     }
1691 }
1692
1693 void client_update_icons(ObClient *self)
1694 {
1695     guint num;
1696     guint32 *data;
1697     guint w, h, i, j;
1698
1699     for (i = 0; i < self->nicons; ++i)
1700         g_free(self->icons[i].data);
1701     if (self->nicons > 0)
1702         g_free(self->icons);
1703     self->nicons = 0;
1704
1705     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1706         /* figure out how many valid icons are in here */
1707         i = 0;
1708         while (num - i > 2) {
1709             w = data[i++];
1710             h = data[i++];
1711             i += w * h;
1712             if (i > num || w*h == 0) break;
1713             ++self->nicons;
1714         }
1715
1716         self->icons = g_new(ObClientIcon, self->nicons);
1717
1718         /* store the icons */
1719         i = 0;
1720         for (j = 0; j < self->nicons; ++j) {
1721             guint x, y, t;
1722
1723             w = self->icons[j].width = data[i++];
1724             h = self->icons[j].height = data[i++];
1725
1726             if (w*h == 0) continue;
1727
1728             self->icons[j].data = g_new(RrPixel32, w * h);
1729             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1730                 if (x >= w) {
1731                     x = 0;
1732                     ++y;
1733                 }
1734                 self->icons[j].data[t] =
1735                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1736                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1737                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1738                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1739             }
1740             g_assert(i <= num);
1741         }
1742
1743         g_free(data);
1744     } else if (PROP_GETA32(self->window, kwm_win_icon,
1745                            kwm_win_icon, &data, &num)) {
1746         if (num == 2) {
1747             self->nicons++;
1748             self->icons = g_new(ObClientIcon, self->nicons);
1749             xerror_set_ignore(TRUE);
1750             if (!RrPixmapToRGBA(ob_rr_inst,
1751                                 data[0], data[1],
1752                                 &self->icons[self->nicons-1].width,
1753                                 &self->icons[self->nicons-1].height,
1754                                 &self->icons[self->nicons-1].data)) {
1755                 g_free(&self->icons[self->nicons-1]);
1756                 self->nicons--;
1757             }
1758             xerror_set_ignore(FALSE);
1759         }
1760         g_free(data);
1761     } else {
1762         XWMHints *hints;
1763
1764         if ((hints = XGetWMHints(ob_display, self->window))) {
1765             if (hints->flags & IconPixmapHint) {
1766                 self->nicons++;
1767                 self->icons = g_new(ObClientIcon, self->nicons);
1768                 xerror_set_ignore(TRUE);
1769                 if (!RrPixmapToRGBA(ob_rr_inst,
1770                                     hints->icon_pixmap,
1771                                     (hints->flags & IconMaskHint ?
1772                                      hints->icon_mask : None),
1773                                     &self->icons[self->nicons-1].width,
1774                                     &self->icons[self->nicons-1].height,
1775                                     &self->icons[self->nicons-1].data)){
1776                     g_free(&self->icons[self->nicons-1]);
1777                     self->nicons--;
1778                 }
1779                 xerror_set_ignore(FALSE);
1780             }
1781             XFree(hints);
1782         }
1783     }
1784
1785     if (self->frame)
1786         frame_adjust_icon(self->frame);
1787 }
1788
1789 static void client_change_state(ObClient *self)
1790 {
1791     gulong state[2];
1792     gulong netstate[11];
1793     guint num;
1794
1795     state[0] = self->wmstate;
1796     state[1] = None;
1797     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1798
1799     num = 0;
1800     if (self->modal)
1801         netstate[num++] = prop_atoms.net_wm_state_modal;
1802     if (self->shaded)
1803         netstate[num++] = prop_atoms.net_wm_state_shaded;
1804     if (self->iconic)
1805         netstate[num++] = prop_atoms.net_wm_state_hidden;
1806     if (self->skip_taskbar)
1807         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1808     if (self->skip_pager)
1809         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1810     if (self->fullscreen)
1811         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1812     if (self->max_vert)
1813         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1814     if (self->max_horz)
1815         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1816     if (self->above)
1817         netstate[num++] = prop_atoms.net_wm_state_above;
1818     if (self->below)
1819         netstate[num++] = prop_atoms.net_wm_state_below;
1820     if (self->undecorated)
1821         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
1822     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1823
1824     client_calc_layer(self);
1825
1826     if (self->frame)
1827         frame_adjust_state(self->frame);
1828 }
1829
1830 ObClient *client_search_focus_tree(ObClient *self)
1831 {
1832     GSList *it;
1833     ObClient *ret;
1834
1835     for (it = self->transients; it; it = g_slist_next(it)) {
1836         if (client_focused(it->data)) return it->data;
1837         if ((ret = client_search_focus_tree(it->data))) return ret;
1838     }
1839     return NULL;
1840 }
1841
1842 ObClient *client_search_focus_tree_full(ObClient *self)
1843 {
1844     if (self->transient_for) {
1845         if (self->transient_for != OB_TRAN_GROUP) {
1846             return client_search_focus_tree_full(self->transient_for);
1847         } else {
1848             GSList *it;
1849             gboolean recursed = FALSE;
1850
1851             for (it = self->group->members; it; it = g_slist_next(it))
1852                 if (!((ObClient*)it->data)->transient_for) {
1853                     ObClient *c;
1854                     if ((c = client_search_focus_tree_full(it->data)))
1855                         return c;
1856                     recursed = TRUE;
1857                 }
1858             if (recursed)
1859                 return NULL;
1860         }
1861     }
1862
1863     /* this function checks the whole tree, the client_search_focus_tree~
1864        does not, so we need to check this window */
1865     if (client_focused(self))
1866         return self;
1867     return client_search_focus_tree(self);
1868 }
1869
1870 static ObStackingLayer calc_layer(ObClient *self)
1871 {
1872     ObStackingLayer l;
1873
1874     if (self->fullscreen &&
1875         (client_focused(self) || client_search_focus_tree(self)))
1876         l = OB_STACKING_LAYER_FULLSCREEN;
1877     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1878         l = OB_STACKING_LAYER_DESKTOP;
1879     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1880         if (self->below) l = OB_STACKING_LAYER_NORMAL;
1881         else l = OB_STACKING_LAYER_ABOVE;
1882     }
1883     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1884     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1885     else l = OB_STACKING_LAYER_NORMAL;
1886
1887     return l;
1888 }
1889
1890 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1891                                         ObStackingLayer l, gboolean raised)
1892 {
1893     ObStackingLayer old, own;
1894     GSList *it;
1895
1896     old = self->layer;
1897     own = calc_layer(self);
1898     self->layer = l > own ? l : own;
1899
1900     for (it = self->transients; it; it = g_slist_next(it))
1901         client_calc_layer_recursive(it->data, orig,
1902                                     l, raised ? raised : l != old);
1903
1904     if (!raised && l != old)
1905         if (orig->frame) { /* only restack if the original window is managed */
1906             stacking_remove(CLIENT_AS_WINDOW(self));
1907             stacking_add(CLIENT_AS_WINDOW(self));
1908         }
1909 }
1910
1911 void client_calc_layer(ObClient *self)
1912 {
1913     ObStackingLayer l;
1914     ObClient *orig;
1915
1916     orig = self;
1917
1918     /* transients take on the layer of their parents */
1919     self = client_search_top_transient(self);
1920
1921     l = calc_layer(self);
1922
1923     client_calc_layer_recursive(self, orig, l, FALSE);
1924 }
1925
1926 gboolean client_should_show(ObClient *self)
1927 {
1928     if (self->iconic)
1929         return FALSE;
1930     if (client_normal(self) && screen_showing_desktop)
1931         return FALSE;
1932     /*
1933     if (self->transient_for) {
1934         if (self->transient_for != OB_TRAN_GROUP)
1935             return client_should_show(self->transient_for);
1936         else {
1937             GSList *it;
1938
1939             for (it = self->group->members; it; it = g_slist_next(it)) {
1940                 ObClient *c = it->data;
1941                 if (c != self && !c->transient_for) {
1942                     if (client_should_show(c))
1943                         return TRUE;
1944                 }
1945             }
1946         }
1947     }
1948     */
1949     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
1950         return TRUE;
1951
1952     return FALSE;
1953 }
1954
1955 static void client_showhide(ObClient *self)
1956 {
1957
1958     if (client_should_show(self))
1959         frame_show(self->frame);
1960     else
1961         frame_hide(self->frame);
1962 }
1963
1964 gboolean client_normal(ObClient *self) {
1965     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1966               self->type == OB_CLIENT_TYPE_DOCK ||
1967               self->type == OB_CLIENT_TYPE_SPLASH);
1968 }
1969
1970 static void client_apply_startup_state(ObClient *self)
1971 {
1972     /* these are in a carefully crafted order.. */
1973
1974     if (self->iconic) {
1975         self->iconic = FALSE;
1976         client_iconify(self, TRUE, FALSE);
1977     }
1978     if (self->fullscreen) {
1979         self->fullscreen = FALSE;
1980         client_fullscreen(self, TRUE, FALSE);
1981     }
1982     if (self->undecorated) {
1983         self->undecorated = FALSE;
1984         client_set_undecorated(self, TRUE);
1985     }
1986     if (self->shaded) {
1987         self->shaded = FALSE;
1988         client_shade(self, TRUE);
1989     }
1990     if (self->urgent)
1991         client_urgent_notify(self);
1992
1993     if (self->max_vert && self->max_horz) {
1994         self->max_vert = self->max_horz = FALSE;
1995         client_maximize(self, TRUE, 0, FALSE);
1996     } else if (self->max_vert) {
1997         self->max_vert = FALSE;
1998         client_maximize(self, TRUE, 2, FALSE);
1999     } else if (self->max_horz) {
2000         self->max_horz = FALSE;
2001         client_maximize(self, TRUE, 1, FALSE);
2002     }
2003
2004     /* nothing to do for the other states:
2005        skip_taskbar
2006        skip_pager
2007        modal
2008        above
2009        below
2010     */
2011 }
2012
2013 void client_configure_full(ObClient *self, ObCorner anchor,
2014                            gint x, gint y, gint w, gint h,
2015                            gboolean user, gboolean final,
2016                            gboolean force_reply)
2017 {
2018     gint oldw, oldh;
2019     gboolean send_resize_client;
2020     gboolean moved = FALSE, resized = FALSE;
2021     guint fdecor = self->frame->decorations;
2022     gboolean fhorz = self->frame->max_horz;
2023
2024     /* make the frame recalculate its dimentions n shit without changing
2025        anything visible for real, this way the constraints below can work with
2026        the updated frame dimensions. */
2027     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2028
2029     /* gets the frame's position */
2030     frame_client_gravity(self->frame, &x, &y);
2031
2032     /* these positions are frame positions, not client positions */
2033
2034     /* set the size and position if fullscreen */
2035     if (self->fullscreen) {
2036         Rect *a;
2037         guint i;
2038
2039         i = client_monitor(self);
2040         a = screen_physical_area_monitor(i);
2041
2042         x = a->x;
2043         y = a->y;
2044         w = a->width;
2045         h = a->height;
2046
2047         user = FALSE; /* ignore that increment etc shit when in fullscreen */
2048     } else {
2049         Rect *a;
2050
2051         a = screen_area_monitor(self->desktop, client_monitor(self));
2052
2053         /* set the size and position if maximized */
2054         if (self->max_horz) {
2055             x = a->x;
2056             w = a->width - self->frame->size.left - self->frame->size.right;
2057         }
2058         if (self->max_vert) {
2059             y = a->y;
2060             h = a->height - self->frame->size.top - self->frame->size.bottom;
2061         }
2062     }
2063
2064     /* gets the client's position */
2065     frame_frame_gravity(self->frame, &x, &y);
2066
2067     /* these override the above states! if you cant move you can't move! */
2068     if (user) {
2069         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2070             x = self->area.x;
2071             y = self->area.y;
2072         }
2073         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2074             w = self->area.width;
2075             h = self->area.height;
2076         }
2077     }
2078
2079     if (!(w == self->area.width && h == self->area.height)) {
2080         gint basew, baseh, minw, minh;
2081
2082         /* base size is substituted with min size if not specified */
2083         if (self->base_size.width || self->base_size.height) {
2084             basew = self->base_size.width;
2085             baseh = self->base_size.height;
2086         } else {
2087             basew = self->min_size.width;
2088             baseh = self->min_size.height;
2089         }
2090         /* min size is substituted with base size if not specified */
2091         if (self->min_size.width || self->min_size.height) {
2092             minw = self->min_size.width;
2093             minh = self->min_size.height;
2094         } else {
2095             minw = self->base_size.width;
2096             minh = self->base_size.height;
2097         }
2098
2099         /* if this is a user-requested resize, then check against min/max
2100            sizes */
2101
2102         /* smaller than min size or bigger than max size? */
2103         if (w > self->max_size.width) w = self->max_size.width;
2104         if (w < minw) w = minw;
2105         if (h > self->max_size.height) h = self->max_size.height;
2106         if (h < minh) h = minh;
2107
2108         w -= basew;
2109         h -= baseh;
2110
2111         /* keep to the increments */
2112         w /= self->size_inc.width;
2113         h /= self->size_inc.height;
2114
2115         /* you cannot resize to nothing */
2116         if (basew + w < 1) w = 1 - basew;
2117         if (baseh + h < 1) h = 1 - baseh;
2118
2119         /* store the logical size */
2120         SIZE_SET(self->logical_size,
2121                  self->size_inc.width > 1 ? w : w + basew,
2122                  self->size_inc.height > 1 ? h : h + baseh);
2123
2124         w *= self->size_inc.width;
2125         h *= self->size_inc.height;
2126
2127         w += basew;
2128         h += baseh;
2129
2130         /* adjust the height to match the width for the aspect ratios.
2131            for this, min size is not substituted for base size ever. */
2132         w -= self->base_size.width;
2133         h -= self->base_size.height;
2134
2135         if (!self->fullscreen) {
2136             if (self->min_ratio)
2137                 if (h * self->min_ratio > w) {
2138                     h = (gint)(w / self->min_ratio);
2139
2140                     /* you cannot resize to nothing */
2141                     if (h < 1) {
2142                         h = 1;
2143                         w = (gint)(h * self->min_ratio);
2144                     }
2145                 }
2146             if (self->max_ratio)
2147                 if (h * self->max_ratio < w) {
2148                     h = (gint)(w / self->max_ratio);
2149
2150                     /* you cannot resize to nothing */
2151                     if (h < 1) {
2152                         h = 1;
2153                         w = (gint)(h * self->min_ratio);
2154                     }
2155                 }
2156         }
2157
2158         w += self->base_size.width;
2159         h += self->base_size.height;
2160     }
2161
2162     g_assert(w > 0);
2163     g_assert(h > 0);
2164
2165     switch (anchor) {
2166     case OB_CORNER_TOPLEFT:
2167         break;
2168     case OB_CORNER_TOPRIGHT:
2169         x -= w - self->area.width;
2170         break;
2171     case OB_CORNER_BOTTOMLEFT:
2172         y -= h - self->area.height;
2173         break;
2174     case OB_CORNER_BOTTOMRIGHT:
2175         x -= w - self->area.width;
2176         y -= h - self->area.height;
2177         break;
2178     }
2179
2180     moved = x != self->area.x || y != self->area.y;
2181     resized = w != self->area.width || h != self->area.height;
2182
2183     oldw = self->area.width;
2184     oldh = self->area.height;
2185     RECT_SET(self->area, x, y, w, h);
2186
2187     /* for app-requested resizes, always resize if 'resized' is true.
2188        for user-requested ones, only resize if final is true, or when
2189        resizing in redraw mode */
2190     send_resize_client = ((!user && resized) ||
2191                           (user && (final ||
2192                                     (resized && config_resize_redraw))));
2193
2194     /* if the client is enlarging, then resize the client before the frame */
2195     if (send_resize_client && user && (w > oldw || h > oldh))
2196         XResizeWindow(ob_display, self->window, MAX(w, oldw), MAX(h, oldh));
2197
2198     /* move/resize the frame to match the request */
2199     if (self->frame) {
2200         if (self->decorations != fdecor || self->max_horz != fhorz)
2201             moved = resized = TRUE;
2202
2203         if (moved || resized)
2204             frame_adjust_area(self->frame, moved, resized, FALSE);
2205
2206         if (!resized && (force_reply || ((!user && moved) || (user && final))))
2207         {
2208             XEvent event;
2209             event.type = ConfigureNotify;
2210             event.xconfigure.display = ob_display;
2211             event.xconfigure.event = self->window;
2212             event.xconfigure.window = self->window;
2213
2214             /* root window real coords */
2215             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
2216                 self->border_width;
2217             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
2218                 self->border_width;
2219             event.xconfigure.width = w;
2220             event.xconfigure.height = h;
2221             event.xconfigure.border_width = 0;
2222             event.xconfigure.above = self->frame->plate;
2223             event.xconfigure.override_redirect = FALSE;
2224             XSendEvent(event.xconfigure.display, event.xconfigure.window,
2225                        FALSE, StructureNotifyMask, &event);
2226         }
2227     }
2228
2229     /* if the client is shrinking, then resize the frame before the client */
2230     if (send_resize_client && (!user || (w <= oldw || h <= oldh)))
2231         XResizeWindow(ob_display, self->window, w, h);
2232
2233     XFlush(ob_display);
2234 }
2235
2236 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
2237 {
2238     gint x, y, w, h;
2239
2240     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2241         self->fullscreen == fs) return;                   /* already done */
2242
2243     self->fullscreen = fs;
2244     client_change_state(self); /* change the state hints on the client,
2245                                   and adjust out layer/stacking */
2246
2247     if (fs) {
2248         if (savearea)
2249             self->pre_fullscreen_area = self->area;
2250
2251         /* these are not actually used cuz client_configure will set them
2252            as appropriate when the window is fullscreened */
2253         x = y = w = h = 0;
2254     } else {
2255         Rect *a;
2256
2257         if (self->pre_fullscreen_area.width > 0 &&
2258             self->pre_fullscreen_area.height > 0)
2259         {
2260             x = self->pre_fullscreen_area.x;
2261             y = self->pre_fullscreen_area.y;
2262             w = self->pre_fullscreen_area.width;
2263             h = self->pre_fullscreen_area.height;
2264             RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2265         } else {
2266             /* pick some fallbacks... */
2267             a = screen_area_monitor(self->desktop, 0);
2268             x = a->x + a->width / 4;
2269             y = a->y + a->height / 4;
2270             w = a->width / 2;
2271             h = a->height / 2;
2272         }
2273     }
2274
2275     client_setup_decor_and_functions(self);
2276
2277     client_move_resize(self, x, y, w, h);
2278
2279     /* try focus us when we go into fullscreen mode */
2280     client_focus(self);
2281 }
2282
2283 static void client_iconify_recursive(ObClient *self,
2284                                      gboolean iconic, gboolean curdesk)
2285 {
2286     GSList *it;
2287     gboolean changed = FALSE;
2288
2289
2290     if (self->iconic != iconic) {
2291         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2292                  self->window);
2293
2294         self->iconic = iconic;
2295
2296         if (iconic) {
2297             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2298                 glong old;
2299
2300                 old = self->wmstate;
2301                 self->wmstate = IconicState;
2302                 if (old != self->wmstate)
2303                     PROP_MSG(self->window, kde_wm_change_state,
2304                              self->wmstate, 1, 0, 0);
2305
2306                 /* update the focus lists.. iconic windows go to the bottom of
2307                    the list, put the new iconic window at the 'top of the
2308                    bottom'. */
2309                 focus_order_to_top(self);
2310
2311                 changed = TRUE;
2312             }
2313         } else {
2314             glong old;
2315
2316             if (curdesk)
2317                 client_set_desktop(self, screen_desktop, FALSE);
2318
2319             old = self->wmstate;
2320             self->wmstate = self->shaded ? IconicState : NormalState;
2321             if (old != self->wmstate)
2322                 PROP_MSG(self->window, kde_wm_change_state,
2323                          self->wmstate, 1, 0, 0);
2324
2325             /* this puts it after the current focused window */
2326             focus_order_remove(self);
2327             focus_order_add_new(self);
2328
2329             changed = TRUE;
2330         }
2331     }
2332
2333     if (changed) {
2334         client_change_state(self);
2335         client_showhide(self);
2336         screen_update_areas();
2337     }
2338
2339     /* iconify all transients */
2340     for (it = self->transients; it; it = g_slist_next(it))
2341         if (it->data != self) client_iconify_recursive(it->data,
2342                                                        iconic, curdesk);
2343 }
2344
2345 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2346 {
2347     /* move up the transient chain as far as possible first */
2348     self = client_search_top_transient(self);
2349
2350     client_iconify_recursive(client_search_top_transient(self),
2351                              iconic, curdesk);
2352 }
2353
2354 void client_maximize(ObClient *self, gboolean max, gint dir, gboolean savearea)
2355 {
2356     gint x, y, w, h;
2357
2358     g_assert(dir == 0 || dir == 1 || dir == 2);
2359     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2360
2361     /* check if already done */
2362     if (max) {
2363         if (dir == 0 && self->max_horz && self->max_vert) return;
2364         if (dir == 1 && self->max_horz) return;
2365         if (dir == 2 && self->max_vert) return;
2366     } else {
2367         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2368         if (dir == 1 && !self->max_horz) return;
2369         if (dir == 2 && !self->max_vert) return;
2370     }
2371
2372     /* we just tell it to configure in the same place and client_configure
2373        worries about filling the screen with the window */
2374     x = self->area.x;
2375     y = self->area.y;
2376     w = self->area.width;
2377     h = self->area.height;
2378
2379     if (max) {
2380         if (savearea) {
2381             if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2382                 RECT_SET(self->pre_max_area,
2383                          self->area.x, self->pre_max_area.y,
2384                          self->area.width, self->pre_max_area.height);
2385             }
2386             if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2387                 RECT_SET(self->pre_max_area,
2388                          self->pre_max_area.x, self->area.y,
2389                          self->pre_max_area.width, self->area.height);
2390             }
2391         }
2392     } else {
2393         Rect *a;
2394
2395         a = screen_area_monitor(self->desktop, 0);
2396         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2397             if (self->pre_max_area.width > 0) {
2398                 x = self->pre_max_area.x;
2399                 w = self->pre_max_area.width;
2400
2401                 RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2402                          0, self->pre_max_area.height);
2403             } else {
2404                 /* pick some fallbacks... */
2405                 x = a->x + a->width / 4;
2406                 w = a->width / 2;
2407             }
2408         }
2409         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2410             if (self->pre_max_area.height > 0) {
2411                 y = self->pre_max_area.y;
2412                 h = self->pre_max_area.height;
2413
2414                 RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2415                          self->pre_max_area.width, 0);
2416             } else {
2417                 /* pick some fallbacks... */
2418                 y = a->y + a->height / 4;
2419                 h = a->height / 2;
2420             }
2421         }
2422     }
2423
2424     if (dir == 0 || dir == 1) /* horz */
2425         self->max_horz = max;
2426     if (dir == 0 || dir == 2) /* vert */
2427         self->max_vert = max;
2428
2429     client_change_state(self); /* change the state hints on the client */
2430
2431     client_setup_decor_and_functions(self);
2432
2433     client_move_resize(self, x, y, w, h);
2434 }
2435
2436 void client_shade(ObClient *self, gboolean shade)
2437 {
2438     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2439          shade) ||                         /* can't shade */
2440         self->shaded == shade) return;     /* already done */
2441
2442     /* when we're iconic, don't change the wmstate */
2443     if (!self->iconic) {
2444         glong old;
2445
2446         old = self->wmstate;
2447         self->wmstate = shade ? IconicState : NormalState;
2448         if (old != self->wmstate)
2449             PROP_MSG(self->window, kde_wm_change_state,
2450                      self->wmstate, 1, 0, 0);
2451     }
2452
2453     self->shaded = shade;
2454     client_change_state(self);
2455     /* resize the frame to just the titlebar */
2456     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2457 }
2458
2459 void client_close(ObClient *self)
2460 {
2461     XEvent ce;
2462
2463     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2464
2465     /* in the case that the client provides no means to requesting that it
2466        close, we just kill it */
2467     if (!self->delete_window)
2468         client_kill(self);
2469
2470     /*
2471       XXX: itd be cool to do timeouts and shit here for killing the client's
2472       process off
2473       like... if the window is around after 5 seconds, then the close button
2474       turns a nice red, and if this function is called again, the client is
2475       explicitly killed.
2476     */
2477
2478     ce.xclient.type = ClientMessage;
2479     ce.xclient.message_type =  prop_atoms.wm_protocols;
2480     ce.xclient.display = ob_display;
2481     ce.xclient.window = self->window;
2482     ce.xclient.format = 32;
2483     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2484     ce.xclient.data.l[1] = event_lasttime;
2485     ce.xclient.data.l[2] = 0l;
2486     ce.xclient.data.l[3] = 0l;
2487     ce.xclient.data.l[4] = 0l;
2488     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2489 }
2490
2491 void client_kill(ObClient *self)
2492 {
2493     XKillClient(ob_display, self->window);
2494 }
2495
2496 void client_set_desktop_recursive(ObClient *self,
2497                                   guint target, gboolean donthide)
2498 {
2499     guint old;
2500     GSList *it;
2501
2502     if (target != self->desktop) {
2503
2504         ob_debug("Setting desktop %u\n", target+1);
2505
2506         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2507
2508         /* remove from the old desktop(s) */
2509         focus_order_remove(self);
2510
2511         old = self->desktop;
2512         self->desktop = target;
2513         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2514         /* the frame can display the current desktop state */
2515         frame_adjust_state(self->frame);
2516         /* 'move' the window to the new desktop */
2517         if (!donthide)
2518             client_showhide(self);
2519         /* raise if it was not already on the desktop */
2520         if (old != DESKTOP_ALL)
2521             client_raise(self);
2522         screen_update_areas();
2523
2524         /* add to the new desktop(s) */
2525         if (config_focus_new)
2526             focus_order_to_top(self);
2527         else
2528             focus_order_to_bottom(self);
2529     }
2530
2531     /* move all transients */
2532     for (it = self->transients; it; it = g_slist_next(it))
2533         if (it->data != self) client_set_desktop_recursive(it->data,
2534                                                            target, donthide);
2535 }
2536
2537 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2538 {
2539     client_set_desktop_recursive(client_search_top_transient(self),
2540                                  target, donthide);
2541 }
2542
2543 ObClient *client_search_modal_child(ObClient *self)
2544 {
2545     GSList *it;
2546     ObClient *ret;
2547
2548     for (it = self->transients; it; it = g_slist_next(it)) {
2549         ObClient *c = it->data;
2550         if ((ret = client_search_modal_child(c))) return ret;
2551         if (c->modal) return c;
2552     }
2553     return NULL;
2554 }
2555
2556 gboolean client_validate(ObClient *self)
2557 {
2558     XEvent e;
2559
2560     XSync(ob_display, FALSE); /* get all events on the server */
2561
2562     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2563         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2564         XPutBackEvent(ob_display, &e);
2565         return FALSE;
2566     }
2567
2568     return TRUE;
2569 }
2570
2571 void client_set_wm_state(ObClient *self, glong state)
2572 {
2573     if (state == self->wmstate) return; /* no change */
2574
2575     switch (state) {
2576     case IconicState:
2577         client_iconify(self, TRUE, TRUE);
2578         break;
2579     case NormalState:
2580         client_iconify(self, FALSE, TRUE);
2581         break;
2582     }
2583 }
2584
2585 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
2586 {
2587     gboolean shaded = self->shaded;
2588     gboolean fullscreen = self->fullscreen;
2589     gboolean undecorated = self->undecorated;
2590     gboolean max_horz = self->max_horz;
2591     gboolean max_vert = self->max_vert;
2592     gboolean modal = self->modal;
2593     gboolean iconic = self->iconic;
2594     gint i;
2595
2596     if (!(action == prop_atoms.net_wm_state_add ||
2597           action == prop_atoms.net_wm_state_remove ||
2598           action == prop_atoms.net_wm_state_toggle))
2599         /* an invalid action was passed to the client message, ignore it */
2600         return;
2601
2602     for (i = 0; i < 2; ++i) {
2603         Atom state = i == 0 ? data1 : data2;
2604
2605         if (!state) continue;
2606
2607         /* if toggling, then pick whether we're adding or removing */
2608         if (action == prop_atoms.net_wm_state_toggle) {
2609             if (state == prop_atoms.net_wm_state_modal)
2610                 action = modal ? prop_atoms.net_wm_state_remove :
2611                     prop_atoms.net_wm_state_add;
2612             else if (state == prop_atoms.net_wm_state_maximized_vert)
2613                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2614                     prop_atoms.net_wm_state_add;
2615             else if (state == prop_atoms.net_wm_state_maximized_horz)
2616                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2617                     prop_atoms.net_wm_state_add;
2618             else if (state == prop_atoms.net_wm_state_shaded)
2619                 action = shaded ? prop_atoms.net_wm_state_remove :
2620                     prop_atoms.net_wm_state_add;
2621             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2622                 action = self->skip_taskbar ?
2623                     prop_atoms.net_wm_state_remove :
2624                     prop_atoms.net_wm_state_add;
2625             else if (state == prop_atoms.net_wm_state_skip_pager)
2626                 action = self->skip_pager ?
2627                     prop_atoms.net_wm_state_remove :
2628                     prop_atoms.net_wm_state_add;
2629             else if (state == prop_atoms.net_wm_state_hidden)
2630                 action = self->iconic ?
2631                     prop_atoms.net_wm_state_remove :
2632                     prop_atoms.net_wm_state_add;
2633             else if (state == prop_atoms.net_wm_state_fullscreen)
2634                 action = fullscreen ?
2635                     prop_atoms.net_wm_state_remove :
2636                     prop_atoms.net_wm_state_add;
2637             else if (state == prop_atoms.net_wm_state_above)
2638                 action = self->above ? prop_atoms.net_wm_state_remove :
2639                     prop_atoms.net_wm_state_add;
2640             else if (state == prop_atoms.net_wm_state_below)
2641                 action = self->below ? prop_atoms.net_wm_state_remove :
2642                     prop_atoms.net_wm_state_add;
2643             else if (state == prop_atoms.ob_wm_state_undecorated)
2644                 action = undecorated ? prop_atoms.net_wm_state_remove :
2645                     prop_atoms.net_wm_state_add;
2646         }
2647
2648         if (action == prop_atoms.net_wm_state_add) {
2649             if (state == prop_atoms.net_wm_state_modal) {
2650                 modal = TRUE;
2651             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2652                 max_vert = TRUE;
2653             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2654                 max_horz = TRUE;
2655             } else if (state == prop_atoms.net_wm_state_shaded) {
2656                 shaded = TRUE;
2657             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2658                 self->skip_taskbar = TRUE;
2659             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2660                 self->skip_pager = TRUE;
2661             } else if (state == prop_atoms.net_wm_state_hidden) {
2662                 iconic = TRUE;
2663             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2664                 fullscreen = TRUE;
2665             } else if (state == prop_atoms.net_wm_state_above) {
2666                 self->above = TRUE;
2667                 self->below = FALSE;
2668             } else if (state == prop_atoms.net_wm_state_below) {
2669                 self->above = FALSE;
2670                 self->below = TRUE;
2671             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2672                 undecorated = TRUE;
2673             }
2674
2675         } else { /* action == prop_atoms.net_wm_state_remove */
2676             if (state == prop_atoms.net_wm_state_modal) {
2677                 modal = FALSE;
2678             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2679                 max_vert = FALSE;
2680             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2681                 max_horz = FALSE;
2682             } else if (state == prop_atoms.net_wm_state_shaded) {
2683                 shaded = FALSE;
2684             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2685                 self->skip_taskbar = FALSE;
2686             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2687                 self->skip_pager = FALSE;
2688             } else if (state == prop_atoms.net_wm_state_hidden) {
2689                 iconic = FALSE;
2690             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2691                 fullscreen = FALSE;
2692             } else if (state == prop_atoms.net_wm_state_above) {
2693                 self->above = FALSE;
2694             } else if (state == prop_atoms.net_wm_state_below) {
2695                 self->below = FALSE;
2696             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2697                 undecorated = FALSE;
2698             }
2699         }
2700     }
2701     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2702         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2703             /* toggling both */
2704             if (max_horz == max_vert) { /* both going the same way */
2705                 client_maximize(self, max_horz, 0, TRUE);
2706             } else {
2707                 client_maximize(self, max_horz, 1, TRUE);
2708                 client_maximize(self, max_vert, 2, TRUE);
2709             }
2710         } else {
2711             /* toggling one */
2712             if (max_horz != self->max_horz)
2713                 client_maximize(self, max_horz, 1, TRUE);
2714             else
2715                 client_maximize(self, max_vert, 2, TRUE);
2716         }
2717     }
2718     /* change fullscreen state before shading, as it will affect if the window
2719        can shade or not */
2720     if (fullscreen != self->fullscreen)
2721         client_fullscreen(self, fullscreen, TRUE);
2722     if (shaded != self->shaded)
2723         client_shade(self, shaded);
2724     if (undecorated != self->undecorated)
2725         client_set_undecorated(self, undecorated);
2726     if (modal != self->modal) {
2727         self->modal = modal;
2728         /* when a window changes modality, then its stacking order with its
2729            transients needs to change */
2730         client_raise(self);
2731     }
2732     if (iconic != self->iconic)
2733         client_iconify(self, iconic, FALSE);
2734
2735     client_calc_layer(self);
2736     client_change_state(self); /* change the hint to reflect these changes */
2737 }
2738
2739 ObClient *client_focus_target(ObClient *self)
2740 {
2741     ObClient *child;
2742
2743     /* if we have a modal child, then focus it, not us */
2744     child = client_search_modal_child(client_search_top_transient(self));
2745     if (child) return child;
2746     return self;
2747 }
2748
2749 gboolean client_can_focus(ObClient *self)
2750 {
2751     XEvent ev;
2752
2753     /* choose the correct target */
2754     self = client_focus_target(self);
2755
2756     if (!self->frame->visible)
2757         return FALSE;
2758
2759     if (!(self->can_focus || self->focus_notify))
2760         return FALSE;
2761
2762     /* do a check to see if the window has already been unmapped or destroyed
2763        do this intelligently while watching out for unmaps we've generated
2764        (ignore_unmaps > 0) */
2765     if (XCheckTypedWindowEvent(ob_display, self->window,
2766                                DestroyNotify, &ev)) {
2767         XPutBackEvent(ob_display, &ev);
2768         return FALSE;
2769     }
2770     while (XCheckTypedWindowEvent(ob_display, self->window,
2771                                   UnmapNotify, &ev)) {
2772         if (self->ignore_unmaps) {
2773             self->ignore_unmaps--;
2774         } else {
2775             XPutBackEvent(ob_display, &ev);
2776             return FALSE;
2777         }
2778     }
2779
2780     return TRUE;
2781 }
2782
2783 gboolean client_focus(ObClient *self)
2784 {
2785     /* choose the correct target */
2786     self = client_focus_target(self);
2787
2788     if (!client_can_focus(self)) {
2789         if (!self->frame->visible) {
2790             /* update the focus lists */
2791             focus_order_to_top(self);
2792         }
2793         return FALSE;
2794     }
2795
2796     if (self->can_focus) {
2797         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2798            I choose to use it always, hopefully to find errors quicker, if any
2799            are left. (I hate X. I hate focus events.)
2800
2801            Update: Changing this to RevertToNone fixed a bug with mozilla (bug
2802            #799. So now it is RevertToNone again.
2803         */
2804         XSetInputFocus(ob_display, self->window, RevertToNone,
2805                        event_lasttime);
2806     }
2807
2808     if (self->focus_notify) {
2809         XEvent ce;
2810         ce.xclient.type = ClientMessage;
2811         ce.xclient.message_type = prop_atoms.wm_protocols;
2812         ce.xclient.display = ob_display;
2813         ce.xclient.window = self->window;
2814         ce.xclient.format = 32;
2815         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2816         ce.xclient.data.l[1] = event_lasttime;
2817         ce.xclient.data.l[2] = 0l;
2818         ce.xclient.data.l[3] = 0l;
2819         ce.xclient.data.l[4] = 0l;
2820         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2821     }
2822
2823 #ifdef DEBUG_FOCUS
2824     ob_debug("%sively focusing %lx at %d\n",
2825              (self->can_focus ? "act" : "pass"),
2826              self->window, (gint) event_lasttime);
2827 #endif
2828
2829     /* Cause the FocusIn to come back to us. Important for desktop switches,
2830        since otherwise we'll have no FocusIn on the queue and send it off to
2831        the focus_backup. */
2832     XSync(ob_display, FALSE);
2833     return TRUE;
2834 }
2835
2836 /* Used when the current client is closed, focus_last will then prevent
2837  * focus from going to the mouse pointer */
2838 void client_unfocus(ObClient *self)
2839 {
2840     if (focus_client == self) {
2841 #ifdef DEBUG_FOCUS
2842         ob_debug("client_unfocus for %lx\n", self->window);
2843 #endif
2844         focus_fallback(OB_FOCUS_FALLBACK_CLOSED);
2845     }
2846 }
2847
2848 void client_activate(ObClient *self, gboolean here)
2849 {
2850     /* This check is for the client_list_menu trying to activate
2851      * a closed client. */
2852     if (!g_list_find(client_list, self)) return;
2853     if (client_normal(self) && screen_showing_desktop)
2854         screen_show_desktop(FALSE);
2855     if (self->iconic)
2856         client_iconify(self, FALSE, here);
2857     if (self->desktop != DESKTOP_ALL &&
2858         self->desktop != screen_desktop) {
2859         if (here)
2860             client_set_desktop(self, screen_desktop, FALSE);
2861         else
2862             screen_set_desktop(self->desktop);
2863     } else if (!self->frame->visible)
2864         /* if its not visible for other reasons, then don't mess
2865            with it */
2866         return;
2867     if (self->shaded)
2868         client_shade(self, FALSE);
2869
2870     client_focus(self);
2871
2872     /* we do this an action here. this is rather important. this is because
2873        we want the results from the focus change to take place BEFORE we go
2874        about raising the window. when a fullscreen window loses focus, we need
2875        this or else the raise wont be able to raise above the to-lose-focus
2876        fullscreen window. */
2877     client_raise(self);
2878 }
2879
2880 void client_raise(ObClient *self)
2881 {
2882     action_run_string("Raise", self);
2883 }
2884
2885 void client_lower(ObClient *self)
2886 {
2887     action_run_string("Lower", self);
2888 }
2889
2890 gboolean client_focused(ObClient *self)
2891 {
2892     return self == focus_client;
2893 }
2894
2895 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
2896 {
2897     guint i;
2898     /* si is the smallest image >= req */
2899     /* li is the largest image < req */
2900     gulong size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2901
2902     if (!self->nicons) {
2903         ObClientIcon *parent = NULL;
2904
2905         if (self->transient_for) {
2906             if (self->transient_for != OB_TRAN_GROUP)
2907                 parent = client_icon_recursive(self->transient_for, w, h);
2908             else {
2909                 GSList *it;
2910                 for (it = self->group->members; it; it = g_slist_next(it)) {
2911                     ObClient *c = it->data;
2912                     if (c != self && !c->transient_for) {
2913                         if ((parent = client_icon_recursive(c, w, h)))
2914                             break;
2915                     }
2916                 }
2917             }
2918         }
2919
2920         return parent;
2921     }
2922
2923     for (i = 0; i < self->nicons; ++i) {
2924         size = self->icons[i].width * self->icons[i].height;
2925         if (size < smallest && size >= (unsigned)(w * h)) {
2926             smallest = size;
2927             si = i;
2928         }
2929         if (size > largest && size <= (unsigned)(w * h)) {
2930             largest = size;
2931             li = i;
2932         }
2933     }
2934     if (largest == 0) /* didnt find one smaller than the requested size */
2935         return &self->icons[si];
2936     return &self->icons[li];
2937 }
2938
2939 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
2940 {
2941     ObClientIcon *ret;
2942     static ObClientIcon deficon;
2943
2944     if (!(ret = client_icon_recursive(self, w, h))) {
2945         deficon.width = deficon.height = 48;
2946         deficon.data = ob_rr_theme->def_win_icon;
2947         ret = &deficon;
2948     }
2949     return ret;
2950 }
2951
2952 /* this be mostly ripped from fvwm */
2953 ObClient *client_find_directional(ObClient *c, ObDirection dir)
2954 {
2955     gint my_cx, my_cy, his_cx, his_cy;
2956     gint offset = 0;
2957     gint distance = 0;
2958     gint score, best_score;
2959     ObClient *best_client, *cur;
2960     GList *it;
2961
2962     if(!client_list)
2963         return NULL;
2964
2965     /* first, find the centre coords of the currently focused window */
2966     my_cx = c->frame->area.x + c->frame->area.width / 2;
2967     my_cy = c->frame->area.y + c->frame->area.height / 2;
2968
2969     best_score = -1;
2970     best_client = NULL;
2971
2972     for(it = g_list_first(client_list); it; it = g_list_next(it)) {
2973         cur = it->data;
2974
2975         /* the currently selected window isn't interesting */
2976         if(cur == c)
2977             continue;
2978         if (!client_normal(cur))
2979             continue;
2980         /* using c->desktop instead of screen_desktop doesn't work if the
2981          * current window was omnipresent, hope this doesn't have any other
2982          * side effects */
2983         if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2984             continue;
2985         if(cur->iconic)
2986             continue;
2987         if(client_focus_target(cur) == cur &&
2988            !(cur->can_focus || cur->focus_notify))
2989             continue;
2990
2991         /* find the centre coords of this window, from the
2992          * currently focused window's point of view */
2993         his_cx = (cur->frame->area.x - my_cx)
2994             + cur->frame->area.width / 2;
2995         his_cy = (cur->frame->area.y - my_cy)
2996             + cur->frame->area.height / 2;
2997
2998         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
2999            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
3000             gint tx;
3001             /* Rotate the diagonals 45 degrees counterclockwise.
3002              * To do this, multiply the matrix /+h +h\ with the
3003              * vector (x y).                   \-h +h/
3004              * h = sqrt(0.5). We can set h := 1 since absolute
3005              * distance doesn't matter here. */
3006             tx = his_cx + his_cy;
3007             his_cy = -his_cx + his_cy;
3008             his_cx = tx;
3009         }
3010
3011         switch(dir) {
3012         case OB_DIRECTION_NORTH:
3013         case OB_DIRECTION_SOUTH:
3014         case OB_DIRECTION_NORTHEAST:
3015         case OB_DIRECTION_SOUTHWEST:
3016             offset = (his_cx < 0) ? -his_cx : his_cx;
3017             distance = ((dir == OB_DIRECTION_NORTH ||
3018                          dir == OB_DIRECTION_NORTHEAST) ?
3019                         -his_cy : his_cy);
3020             break;
3021         case OB_DIRECTION_EAST:
3022         case OB_DIRECTION_WEST:
3023         case OB_DIRECTION_SOUTHEAST:
3024         case OB_DIRECTION_NORTHWEST:
3025             offset = (his_cy < 0) ? -his_cy : his_cy;
3026             distance = ((dir == OB_DIRECTION_WEST ||
3027                          dir == OB_DIRECTION_NORTHWEST) ?
3028                         -his_cx : his_cx);
3029             break;
3030         }
3031
3032         /* the target must be in the requested direction */
3033         if(distance <= 0)
3034             continue;
3035
3036         /* Calculate score for this window.  The smaller the better. */
3037         score = distance + offset;
3038
3039         /* windows more than 45 degrees off the direction are
3040          * heavily penalized and will only be chosen if nothing
3041          * else within a million pixels */
3042         if(offset > distance)
3043             score += 1000000;
3044
3045         if(best_score == -1 || score < best_score)
3046             best_client = cur,
3047                 best_score = score;
3048     }
3049
3050     return best_client;
3051 }
3052
3053 void client_set_layer(ObClient *self, gint layer)
3054 {
3055     if (layer < 0) {
3056         self->below = TRUE;
3057         self->above = FALSE;
3058     } else if (layer == 0) {
3059         self->below = self->above = FALSE;
3060     } else {
3061         self->below = FALSE;
3062         self->above = TRUE;
3063     }
3064     client_calc_layer(self);
3065     client_change_state(self); /* reflect this in the state hints */
3066 }
3067
3068 void client_set_undecorated(ObClient *self, gboolean undecorated)
3069 {
3070     if (self->undecorated != undecorated) {
3071         self->undecorated = undecorated;
3072         client_setup_decor_and_functions(self);
3073         /* Make sure the client knows it might have moved. Maybe there is a
3074          * better way of doing this so only one client_configure is sent, but
3075          * since 125 of these are sent per second when moving the window (with
3076          * user = FALSE) i doubt it matters much.
3077          */
3078         client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
3079                          self->area.width, self->area.height, TRUE, TRUE);
3080         client_change_state(self); /* reflect this in the state hints */
3081     }
3082 }
3083
3084 /* Determines which physical monitor a client is on by calculating the
3085    area of the part of the client on each monitor.  The number of the
3086    monitor containing the greatest area of the client is returned.*/
3087 guint client_monitor(ObClient *self)
3088 {
3089     guint i;
3090     guint most = 0;
3091     guint mostv = 0;
3092
3093     for (i = 0; i < screen_num_monitors; ++i) {
3094         Rect *area = screen_physical_area_monitor(i);
3095         if (RECT_INTERSECTS_RECT(*area, self->frame->area)) {
3096             Rect r;
3097             guint v;
3098
3099             RECT_SET_INTERSECTION(r, *area, self->frame->area);
3100             v = r.width * r.height;
3101
3102             if (v > mostv) {
3103                 mostv = v;
3104                 most = i;
3105             }
3106         }
3107     }
3108     return most;
3109 }
3110
3111 ObClient *client_search_top_transient(ObClient *self)
3112 {
3113     /* move up the transient chain as far as possible */
3114     if (self->transient_for) {
3115         if (self->transient_for != OB_TRAN_GROUP) {
3116             return client_search_top_transient(self->transient_for);
3117         } else {
3118             GSList *it;
3119
3120             g_assert(self->group);
3121
3122             for (it = self->group->members; it; it = g_slist_next(it)) {
3123                 ObClient *c = it->data;
3124
3125                 /* checking transient_for prevents infinate loops! */
3126                 if (c != self && !c->transient_for)
3127                     break;
3128             }
3129             if (it)
3130                 return it->data;
3131         }
3132     }
3133
3134     return self;
3135 }
3136
3137 ObClient *client_search_focus_parent(ObClient *self)
3138 {
3139     if (self->transient_for) {
3140         if (self->transient_for != OB_TRAN_GROUP) {
3141             if (client_focused(self->transient_for))
3142                 return self->transient_for;
3143         } else {
3144             GSList *it;
3145
3146             for (it = self->group->members; it; it = g_slist_next(it)) {
3147                 ObClient *c = it->data;
3148
3149                 /* checking transient_for prevents infinate loops! */
3150                 if (c != self && !c->transient_for)
3151                     if (client_focused(c))
3152                         return c;
3153             }
3154         }
3155     }
3156
3157     return NULL;
3158 }
3159
3160 ObClient *client_search_parent(ObClient *self, ObClient *search)
3161 {
3162     if (self->transient_for) {
3163         if (self->transient_for != OB_TRAN_GROUP) {
3164             if (self->transient_for == search)
3165                 return search;
3166         } else {
3167             GSList *it;
3168
3169             for (it = self->group->members; it; it = g_slist_next(it)) {
3170                 ObClient *c = it->data;
3171
3172                 /* checking transient_for prevents infinate loops! */
3173                 if (c != self && !c->transient_for)
3174                     if (c == search)
3175                         return search;
3176             }
3177         }
3178     }
3179
3180     return NULL;
3181 }
3182
3183 ObClient *client_search_transient(ObClient *self, ObClient *search)
3184 {
3185     GSList *sit;
3186
3187     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3188         if (sit->data == search)
3189             return search;
3190         if (client_search_transient(sit->data, search))
3191             return search;
3192     }
3193     return NULL;
3194 }
3195
3196 void client_update_sm_client_id(ObClient *self)
3197 {
3198     g_free(self->sm_client_id);
3199     self->sm_client_id = NULL;
3200
3201     if (!PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id) &&
3202         self->group)
3203         PROP_GETS(self->group->leader, sm_client_id, locale,
3204                   &self->sm_client_id);
3205 }
3206
3207 /* finds the nearest edge in the given direction from the current client
3208  * note to self: the edge is the -frame- edge (the actual one), not the
3209  * client edge.
3210  */
3211 gint client_directional_edge_search(ObClient *c, ObDirection dir)
3212 {
3213     gint dest, monitor_dest;
3214     gint my_edge_start, my_edge_end, my_offset;
3215     GList *it;
3216     Rect *a, *monitor;
3217
3218     if(!client_list)
3219         return -1;
3220
3221     a = screen_area(c->desktop);
3222     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3223
3224     switch(dir) {
3225     case OB_DIRECTION_NORTH:
3226         my_edge_start = c->frame->area.x;
3227         my_edge_end = c->frame->area.x + c->frame->area.width;
3228         my_offset = c->frame->area.y;
3229
3230         /* default: top of screen */
3231         dest = a->y;
3232         monitor_dest = monitor->y;
3233         /* if the monitor edge comes before the screen edge, */
3234         /* use that as the destination instead. (For xinerama) */
3235         if (monitor_dest != dest && my_offset > monitor_dest)
3236             dest = monitor_dest;
3237
3238         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3239             gint his_edge_start, his_edge_end, his_offset;
3240             ObClient *cur = it->data;
3241
3242             if(cur == c)
3243                 continue;
3244             if(!client_normal(cur))
3245                 continue;
3246             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3247                 continue;
3248             if(cur->iconic)
3249                 continue;
3250             if(cur->layer < c->layer && !config_resist_layers_below)
3251                 continue;
3252
3253             his_edge_start = cur->frame->area.x;
3254             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3255             his_offset = cur->frame->area.y + cur->frame->area.height;
3256
3257             if(his_offset + 1 > my_offset)
3258                 continue;
3259
3260             if(his_offset < dest)
3261                 continue;
3262
3263             if(his_edge_start >= my_edge_start &&
3264                his_edge_start <= my_edge_end)
3265                 dest = his_offset;
3266
3267             if(my_edge_start >= his_edge_start &&
3268                my_edge_start <= his_edge_end)
3269                 dest = his_offset;
3270
3271         }
3272         break;
3273     case OB_DIRECTION_SOUTH:
3274         my_edge_start = c->frame->area.x;
3275         my_edge_end = c->frame->area.x + c->frame->area.width;
3276         my_offset = c->frame->area.y + c->frame->area.height;
3277
3278         /* default: bottom of screen */
3279         dest = a->y + a->height;
3280         monitor_dest = monitor->y + monitor->height;
3281         /* if the monitor edge comes before the screen edge, */
3282         /* use that as the destination instead. (For xinerama) */
3283         if (monitor_dest != dest && my_offset < monitor_dest)
3284             dest = monitor_dest;
3285
3286         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3287             gint his_edge_start, his_edge_end, his_offset;
3288             ObClient *cur = it->data;
3289
3290             if(cur == c)
3291                 continue;
3292             if(!client_normal(cur))
3293                 continue;
3294             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3295                 continue;
3296             if(cur->iconic)
3297                 continue;
3298             if(cur->layer < c->layer && !config_resist_layers_below)
3299                 continue;
3300
3301             his_edge_start = cur->frame->area.x;
3302             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3303             his_offset = cur->frame->area.y;
3304
3305
3306             if(his_offset - 1 < my_offset)
3307                 continue;
3308
3309             if(his_offset > dest)
3310                 continue;
3311
3312             if(his_edge_start >= my_edge_start &&
3313                his_edge_start <= my_edge_end)
3314                 dest = his_offset;
3315
3316             if(my_edge_start >= his_edge_start &&
3317                my_edge_start <= his_edge_end)
3318                 dest = his_offset;
3319
3320         }
3321         break;
3322     case OB_DIRECTION_WEST:
3323         my_edge_start = c->frame->area.y;
3324         my_edge_end = c->frame->area.y + c->frame->area.height;
3325         my_offset = c->frame->area.x;
3326
3327         /* default: leftmost egde of screen */
3328         dest = a->x;
3329         monitor_dest = monitor->x;
3330         /* if the monitor edge comes before the screen edge, */
3331         /* use that as the destination instead. (For xinerama) */
3332         if (monitor_dest != dest && my_offset > monitor_dest)
3333             dest = monitor_dest;
3334
3335         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3336             gint his_edge_start, his_edge_end, his_offset;
3337             ObClient *cur = it->data;
3338
3339             if(cur == c)
3340                 continue;
3341             if(!client_normal(cur))
3342                 continue;
3343             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3344                 continue;
3345             if(cur->iconic)
3346                 continue;
3347             if(cur->layer < c->layer && !config_resist_layers_below)
3348                 continue;
3349
3350             his_edge_start = cur->frame->area.y;
3351             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3352             his_offset = cur->frame->area.x + cur->frame->area.width;
3353
3354             if(his_offset + 1 > my_offset)
3355                 continue;
3356
3357             if(his_offset < dest)
3358                 continue;
3359
3360             if(his_edge_start >= my_edge_start &&
3361                his_edge_start <= my_edge_end)
3362                 dest = his_offset;
3363
3364             if(my_edge_start >= his_edge_start &&
3365                my_edge_start <= his_edge_end)
3366                 dest = his_offset;
3367
3368
3369         }
3370         break;
3371     case OB_DIRECTION_EAST:
3372         my_edge_start = c->frame->area.y;
3373         my_edge_end = c->frame->area.y + c->frame->area.height;
3374         my_offset = c->frame->area.x + c->frame->area.width;
3375
3376         /* default: rightmost edge of screen */
3377         dest = a->x + a->width;
3378         monitor_dest = monitor->x + monitor->width;
3379         /* if the monitor edge comes before the screen edge, */
3380         /* use that as the destination instead. (For xinerama) */
3381         if (monitor_dest != dest && my_offset < monitor_dest)
3382             dest = monitor_dest;
3383
3384         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3385             gint his_edge_start, his_edge_end, his_offset;
3386             ObClient *cur = it->data;
3387
3388             if(cur == c)
3389                 continue;
3390             if(!client_normal(cur))
3391                 continue;
3392             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3393                 continue;
3394             if(cur->iconic)
3395                 continue;
3396             if(cur->layer < c->layer && !config_resist_layers_below)
3397                 continue;
3398
3399             his_edge_start = cur->frame->area.y;
3400             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3401             his_offset = cur->frame->area.x;
3402
3403             if(his_offset - 1 < my_offset)
3404                 continue;
3405
3406             if(his_offset > dest)
3407                 continue;
3408
3409             if(his_edge_start >= my_edge_start &&
3410                his_edge_start <= my_edge_end)
3411                 dest = his_offset;
3412
3413             if(my_edge_start >= his_edge_start &&
3414                my_edge_start <= his_edge_end)
3415                 dest = his_offset;
3416
3417         }
3418         break;
3419     case OB_DIRECTION_NORTHEAST:
3420     case OB_DIRECTION_SOUTHEAST:
3421     case OB_DIRECTION_NORTHWEST:
3422     case OB_DIRECTION_SOUTHWEST:
3423         /* not implemented */
3424     default:
3425         g_assert_not_reached();
3426         dest = 0; /* suppress warning */
3427     }
3428     return dest;
3429 }
3430
3431 ObClient* client_under_pointer()
3432 {
3433     gint x, y;
3434     GList *it;
3435     ObClient *ret = NULL;
3436
3437     if (screen_pointer_pos(&x, &y)) {
3438         for (it = stacking_list; it; it = g_list_next(it)) {
3439             if (WINDOW_IS_CLIENT(it->data)) {
3440                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3441                 if (c->frame->visible &&
3442                     RECT_CONTAINS(c->frame->area, x, y)) {
3443                     ret = c;
3444                     break;
3445                 }
3446             }
3447         }
3448     }
3449     return ret;
3450 }
3451
3452 gboolean client_has_group_siblings(ObClient *self)
3453 {
3454     return self->group && self->group->members->next;
3455 }