openbox/client.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.c for the Openbox window manager
   4    Copyright (c) 2004        Mikael Magnusson
   5    Copyright (c) 2003        Ben Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "client.h"
  21 #include "debug.h"
  22 #include "startupnotify.h"
  23 #include "dock.h"
  24 #include "xerror.h"
  25 #include "screen.h"
  26 #include "moveresize.h"
  27 #include "place.h"
  28 #include "prop.h"
  29 #include "extensions.h"
  30 #include "frame.h"
  31 #include "session.h"
  32 #include "event.h"
  33 #include "grab.h"
  34 #include "focus.h"
  35 #include "stacking.h"
  36 #include "openbox.h"
  37 #include "group.h"
  38 #include "config.h"
  39 #include "menuframe.h"
  40 #include "keyboard.h"
  41 #include "mouse.h"
  42 #include "render/render.h"
  43
  44 #include <glib.h>
  45 #include <X11/Xutil.h>
  46
  47 /*! The event mask to grab on client windows */
  48 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  49                           StructureNotifyMask)
  50
  51 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  52                                 ButtonMotionMask)
  53
  54 typedef struct
  55 {
  56     ObClientDestructor func;
  57     gpointer data;
  58 } Destructor;
  59
  60 GList      *client_list        = NULL;
  61 GSList     *client_destructors = NULL;
  62
  63 static void client_get_all(ObClient *self);
  64 static void client_toggle_border(ObClient *self, gboolean show);
  65 static void client_get_startup_id(ObClient *self);
  66 static void client_get_area(ObClient *self);
  67 static void client_get_desktop(ObClient *self);
  68 static void client_get_state(ObClient *self);
  69 static void client_get_shaped(ObClient *self);
  70 static void client_get_mwm_hints(ObClient *self);
  71 static void client_get_gravity(ObClient *self);
  72 static void client_showhide(ObClient *self);
  73 static void client_change_allowed_actions(ObClient *self);
  74 static void client_change_state(ObClient *self);
  75 static void client_apply_startup_state(ObClient *self);
  76 static void client_restore_session_state(ObClient *self);
  77 static void client_restore_session_stacking(ObClient *self);
  78 static void client_urgent_notify(ObClient *self);
  79
  80 void client_startup(gboolean reconfig)
  81 {
  82     if (reconfig) return;
  83
  84     client_set_list();
  85 }
  86
  87 void client_shutdown(gboolean reconfig)
  88 {
  89 }
  90
  91 void client_add_destructor(ObClientDestructor func, gpointer data)
  92 {
  93     Destructor *d = g_new(Destructor, 1);
  94     d->func = func;
  95     d->data = data;
  96     client_destructors = g_slist_prepend(client_destructors, d);
  97 }
  98
  99 void client_remove_destructor(ObClientDestructor func)
 100 {
 101     GSList *it;
 102
 103     for (it = client_destructors; it; it = g_slist_next(it)) {
 104         Destructor *d = it->data;
 105         if (d->func == func) {
 106             g_free(d);
 107             client_destructors = g_slist_delete_link(client_destructors, it);
 108             break;
 109         }
 110     }
 111 }
 112
 113 void client_set_list()
 114 {
 115     Window *windows, *win_it;
 116     GList *it;
 117     guint size = g_list_length(client_list);
 118
 119     /* create an array of the window ids */
 120     if (size > 0) {
 121         windows = g_new(Window, size);
 122         win_it = windows;
 123         for (it = client_list; it; it = g_list_next(it), ++win_it)
 124             *win_it = ((ObClient*)it->data)->window;
 125     } else
 126         windows = NULL;
 127
 128     PROP_SETA32(RootWindow(ob_display, ob_screen),
 129                 net_client_list, window, (gulong*)windows, size);
 130
 131     if (windows)
 132         g_free(windows);
 133
 134     stacking_set_list();
 135 }
 136
 137 /*
 138   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 139   {
 140   GSList *it;
 141
 142   for (it = self->transients; it; it = g_slist_next(it)) {
 143   if (!func(it->data, data)) return;
 144   client_foreach_transient(it->data, func, data);
 145   }
 146   }
 147
 148   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 149   {
 150   if (self->transient_for) {
 151   if (self->transient_for != OB_TRAN_GROUP) {
 152   if (!func(self->transient_for, data)) return;
 153   client_foreach_ancestor(self->transient_for, func, data);
 154   } else {
 155   GSList *it;
 156
 157   for (it = self->group->members; it; it = g_slist_next(it))
 158   if (it->data != self &&
 159   !((ObClient*)it->data)->transient_for) {
 160   if (!func(it->data, data)) return;
 161   client_foreach_ancestor(it->data, func, data);
 162   }
 163   }
 164   }
 165   }
 166 */
 167
 168 void client_manage_all()
 169 {
 170     guint i, j, nchild;
 171     Window w, *children;
 172     XWMHints *wmhints;
 173     XWindowAttributes attrib;
 174
 175     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 176                &w, &w, &children, &nchild);
 177
 178     /* remove all icon windows from the list */
 179     for (i = 0; i < nchild; i++) {
 180         if (children[i] == None) continue;
 181         wmhints = XGetWMHints(ob_display, children[i]);
 182         if (wmhints) {
 183             if ((wmhints->flags & IconWindowHint) &&
 184                 (wmhints->icon_window != children[i]))
 185                 for (j = 0; j < nchild; j++)
 186                     if (children[j] == wmhints->icon_window) {
 187                         children[j] = None;
 188                         break;
 189                     }
 190             XFree(wmhints);
 191         }
 192     }
 193
 194     for (i = 0; i < nchild; ++i) {
 195         if (children[i] == None)
 196             continue;
 197         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 198             if (attrib.override_redirect) continue;
 199
 200             if (attrib.map_state != IsUnmapped)
 201                 client_manage(children[i]);
 202         }
 203     }
 204     XFree(children);
 205 }
 206
 207 static ObAppSettings *get_settings(ObClient *client)
 208 {
 209     GSList *a = config_per_app_settings;
 210
 211     while (a) {
 212         ObAppSettings *app = (ObAppSettings *) a->data;
 213
 214         if (
 215             (app->name && !app->class && !strcmp(app->name, client->name))
 216             || (app->class && !app->name && !strcmp(app->class, client->class))
 217             || (app->class && app->name && !strcmp(app->class, client->class)
 218                 && !strcmp(app->name, client->name))
 219             ) {
 220             ob_debug("Window matching: %s\n", app->name);
 221             /* Match if no role was specified in the per app setting, or if the string
 222              * matches the beginning of the role, since apps like to set the role to
 223              * things like browser-window-23c4b2f */
 224             if (!app->role || !strncmp(app->role, client->role, strlen(app->role)))
 225                 return app;
 226         }
 227
 228         a = a->next;
 229     }
 230     return NULL;
 231 }
 232
 233 void client_manage(Window window)
 234 {
 235     ObClient *self;
 236     XEvent e;
 237     XWindowAttributes attrib;
 238     XSetWindowAttributes attrib_set;
 239     XWMHints *wmhint;
 240     gboolean activate = FALSE;
 241     ObAppSettings *settings;
 242
 243     grab_server(TRUE);
 244
 245     /* check if it has already been unmapped by the time we started mapping
 246        the grab does a sync so we don't have to here */
 247     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 248         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 249         XPutBackEvent(ob_display, &e);
 250
 251         grab_server(FALSE);
 252         return; /* don't manage it */
 253     }
 254
 255     /* make sure it isn't an override-redirect window */
 256     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 257         attrib.override_redirect) {
 258         grab_server(FALSE);
 259         return; /* don't manage it */
 260     }
 261
 262     /* is the window a docking app */
 263     if ((wmhint = XGetWMHints(ob_display, window))) {
 264         if ((wmhint->flags & StateHint) &&
 265             wmhint->initial_state == WithdrawnState) {
 266             dock_add(window, wmhint);
 267             grab_server(FALSE);
 268             XFree(wmhint);
 269             return;
 270         }
 271         XFree(wmhint);
 272     }
 273
 274     ob_debug("Managing window: %lx\n", window);
 275
 276     /* choose the events we want to receive on the CLIENT window */
 277     attrib_set.event_mask = CLIENT_EVENTMASK;
 278     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 279     XChangeWindowAttributes(ob_display, window,
 280                             CWEventMask|CWDontPropagate, &attrib_set);
 281
 282
 283     /* create the ObClient struct, and populate it from the hints on the
 284        window */
 285     self = g_new0(ObClient, 1);
 286     self->obwin.type = Window_Client;
 287     self->window = window;
 288
 289     /* non-zero defaults */
 290     self->title_count = 1;
 291     self->wmstate = NormalState;
 292     self->layer = -1;
 293     self->desktop = screen_num_desktops; /* always an invalid value */
 294
 295     client_get_all(self);
 296     client_restore_session_state(self);
 297
 298     sn_app_started(self->class);
 299
 300     /* update the focus lists, do this before the call to change_state or
 301        it can end up in the list twice! */
 302     focus_order_add_new(self);
 303
 304     client_change_state(self);
 305
 306     /* remove the client's border (and adjust re gravity) */
 307     client_toggle_border(self, FALSE);
 308
 309     /* specify that if we exit, the window should not be destroyed and should
 310        be reparented back to root automatically */
 311     XChangeSaveSet(ob_display, window, SetModeInsert);
 312
 313     /* create the decoration frame for the client window */
 314     self->frame = frame_new();
 315
 316     frame_grab_client(self->frame, self);
 317
 318     grab_server(FALSE);
 319
 320     client_apply_startup_state(self);
 321
 322     /* get and set application level settings */
 323     settings = get_settings(self);
 324
 325     if (settings) {
 326         /* Don't worry, we won't actually both shade and undecorate the
 327          * window when push comes to shove. */
 328         if (settings->shade != -1)
 329             client_shade(self, settings->shade);
 330         if (settings->decor != -1)
 331             client_set_undecorated(self, !settings->decor);
 332         if (settings->iconic != -1)
 333             client_iconify(self, settings->iconic, FALSE);
 334         if (settings->skip_pager != -1) {
 335             self->skip_pager = !!settings->skip_pager;
 336             client_change_state(self);
 337         }
 338         if (settings->skip_taskbar != -1) {
 339             self->skip_taskbar = !!settings->skip_taskbar;
 340             client_change_state(self);
 341         }
 342
 343         /* 1 && -1 shouldn't be possible by the code in config.c */
 344         if (settings->max_vert == 1 && settings->max_horz == 1)
 345             client_maximize(self, TRUE, 0, TRUE);
 346         else if (settings->max_vert == 0 && settings->max_horz == 0)
 347             client_maximize(self, FALSE, 0, TRUE);
 348         else if (settings->max_vert == 1 && settings->max_horz == 0) {
 349             client_maximize(self, TRUE, 2, TRUE);
 350             client_maximize(self, FALSE, 1, TRUE);
 351         } else if (settings->max_vert == 0 && settings->max_horz == 1) {
 352             client_maximize(self, TRUE, 1, TRUE);
 353             client_maximize(self, FALSE, 2, TRUE);
 354         }
 355
 356         if (settings->fullscreen != -1)
 357             client_fullscreen(self, !!settings->fullscreen, TRUE);
 358
 359         if (settings->desktop < screen_num_desktops)
 360             client_set_desktop(self, settings->desktop, FALSE);
 361
 362         if (settings->layer > -2 && settings->layer < 2)
 363             client_set_layer(self, settings->layer);
 364
 365     }
 366
 367     stacking_add(CLIENT_AS_WINDOW(self));
 368     client_restore_session_stacking(self);
 369
 370     /* focus the new window? */
 371     if (ob_state() != OB_STATE_STARTING &&
 372         (config_focus_new || client_search_focus_parent(self)) ||
 373         (settings && settings->focus == TRUE) &&
 374         /* note the check against Type_Normal/Dialog, not client_normal(self),
 375            which would also include other types. in this case we want more
 376            strict rules for focus */
 377         (self->type == OB_CLIENT_TYPE_NORMAL ||
 378          self->type == OB_CLIENT_TYPE_DIALOG))
 379     {
 380         activate = TRUE;
 381 #if 0
 382         if (self->desktop != screen_desktop) {
 383             /* activate the window */
 384             activate = TRUE;
 385         } else {
 386             gboolean group_foc = FALSE;
 387
 388             if (self->group) {
 389                 GSList *it;
 390
 391                 for (it = self->group->members; it; it = g_slist_next(it))
 392                 {
 393                     if (client_focused(it->data))
 394                     {
 395                         group_foc = TRUE;
 396                         break;
 397                     }
 398                 }
 399             }
 400             if ((group_foc ||
 401                  (!self->transient_for && (!self->group ||
 402                                            !self->group->members->next))) ||
 403                 client_search_focus_tree_full(self) ||
 404                 !focus_client ||
 405                 !client_normal(focus_client))
 406             {
 407                 /* activate the window */
 408                 activate = TRUE;
 409             }
 410         }
 411 #endif
 412     }
 413
 414     if (ob_state() == OB_STATE_RUNNING) {
 415         gint x = self->area.x, ox = x;
 416         gint y = self->area.y, oy = y;
 417
 418         place_client(self, &x, &y, settings);
 419
 420         /* make sure the window is visible. */
 421         client_find_onscreen(self, &x, &y,
 422                              self->frame->area.width,
 423                              self->frame->area.height,
 424                              /* non-normal clients has less rules, and
 425                                 windows that are being restored from a
 426                                 session do also. we can assume you want
 427                                 it back where you saved it. Clients saying
 428                                 they placed themselves are subjected to
 429                                 harder rules, ones that are placed by
 430                                 place.c or by the user are allowed partially
 431                                 off-screen and on xinerama divides (ie,
 432                                 it is up to the placement routines to avoid
 433                                 the xinerama divides) */
 434                              ((self->positioned & PPosition) &&
 435                               !(self->positioned & USPosition)) &&
 436                              client_normal(self) &&
 437                              !self->session);
 438         if (x != ox || y != oy)
 439             client_move(self, x, y);
 440     }
 441
 442     keyboard_grab_for_client(self, TRUE);
 443     mouse_grab_for_client(self, TRUE);
 444
 445     client_showhide(self);
 446
 447     /* use client_focus instead of client_activate cuz client_activate does
 448        stuff like switch desktops etc and I'm not interested in all that when
 449        a window maps since its not based on an action from the user like
 450        clicking a window to activate is. so keep the new window out of the way
 451        but do focus it. */
 452     if (activate) {
 453         /* if using focus_delay, stop the timer now so that focus doesn't go
 454            moving on us */
 455         event_halt_focus_delay();
 456
 457         client_focus(self);
 458         /* since focus can change the stacking orders, if we focus the window
 459            then the standard raise it gets is not enough, we need to queue one
 460            for after the focus change takes place */
 461         client_raise(self);
 462     }
 463
 464     /* client_activate does this but we aret using it so we have to do it
 465        here as well */
 466     if (screen_showing_desktop)
 467         screen_show_desktop(FALSE);
 468
 469     /* add to client list/map */
 470     client_list = g_list_append(client_list, self);
 471     g_hash_table_insert(window_map, &self->window, self);
 472
 473     /* this has to happen after we're in the client_list */
 474     screen_update_areas();
 475
 476     /* update the list hints */
 477     client_set_list();
 478
 479     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
 480 }
 481
 482 void client_unmanage_all()
 483 {
 484     while (client_list != NULL)
 485         client_unmanage(client_list->data);
 486 }
 487
 488 void client_unmanage(ObClient *self)
 489 {
 490     guint j;
 491     GSList *it;
 492
 493     ob_debug("Unmanaging window: %lx (%s)\n", self->window, self->class);
 494
 495     g_assert(self != NULL);
 496
 497     keyboard_grab_for_client(self, FALSE);
 498     mouse_grab_for_client(self, FALSE);
 499
 500     /* potentially fix focusLast */
 501     if (config_focus_last)
 502         grab_pointer(TRUE, OB_CURSOR_NONE);
 503
 504     /* remove the window from our save set */
 505     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 506
 507     /* we dont want events no more */
 508     XSelectInput(ob_display, self->window, NoEventMask);
 509
 510     frame_hide(self->frame);
 511
 512     client_list = g_list_remove(client_list, self);
 513     stacking_remove(self);
 514     g_hash_table_remove(window_map, &self->window);
 515
 516     /* update the focus lists */
 517     focus_order_remove(self);
 518
 519     /* once the client is out of the list, update the struts to remove it's
 520        influence */
 521     screen_update_areas();
 522
 523     for (it = client_destructors; it; it = g_slist_next(it)) {
 524         Destructor *d = it->data;
 525         d->func(self, d->data);
 526     }
 527
 528     if (focus_client == self) {
 529         XEvent e;
 530
 531         /* focus the last focused window on the desktop, and ignore enter
 532            events from the unmap so it doesnt mess with the focus */
 533         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
 534         /* remove these flags so we don't end up getting focused in the
 535            fallback! */
 536         self->can_focus = FALSE;
 537         self->focus_notify = FALSE;
 538         self->modal = FALSE;
 539         client_unfocus(self);
 540     }
 541
 542     /* tell our parent(s) that we're gone */
 543     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 544         for (it = self->group->members; it; it = g_slist_next(it))
 545             if (it->data != self)
 546                 ((ObClient*)it->data)->transients =
 547                     g_slist_remove(((ObClient*)it->data)->transients, self);
 548     } else if (self->transient_for) {        /* transient of window */
 549         self->transient_for->transients =
 550             g_slist_remove(self->transient_for->transients, self);
 551     }
 552
 553     /* tell our transients that we're gone */
 554     for (it = self->transients; it; it = g_slist_next(it)) {
 555         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 556             ((ObClient*)it->data)->transient_for = NULL;
 557             client_calc_layer(it->data);
 558         }
 559     }
 560
 561     /* remove from its group */
 562     if (self->group) {
 563         group_remove(self->group, self);
 564         self->group = NULL;
 565     }
 566
 567     /* give the client its border back */
 568     client_toggle_border(self, TRUE);
 569
 570     /* reparent the window out of the frame, and free the frame */
 571     frame_release_client(self->frame, self);
 572     self->frame = NULL;
 573
 574     if (ob_state() != OB_STATE_EXITING) {
 575         /* these values should not be persisted across a window
 576            unmapping/mapping */
 577         PROP_ERASE(self->window, net_wm_desktop);
 578         PROP_ERASE(self->window, net_wm_state);
 579         PROP_ERASE(self->window, wm_state);
 580     } else {
 581         /* if we're left in an unmapped state, the client wont be mapped. this
 582            is bad, since we will no longer be managing the window on restart */
 583         XMapWindow(ob_display, self->window);
 584     }
 585
 586
 587     ob_debug("Unmanaged window 0x%lx\n", self->window);
 588
 589     /* free all data allocated in the client struct */
 590     g_slist_free(self->transients);
 591     for (j = 0; j < self->nicons; ++j)
 592         g_free(self->icons[j].data);
 593     if (self->nicons > 0)
 594         g_free(self->icons);
 595     g_free(self->title);
 596     g_free(self->icon_title);
 597     g_free(self->name);
 598     g_free(self->class);
 599     g_free(self->role);
 600     g_free(self->sm_client_id);
 601     g_free(self);
 602
 603     /* update the list hints */
 604     client_set_list();
 605
 606     if (config_focus_last)
 607         grab_pointer(FALSE, OB_CURSOR_NONE);
 608 }
 609
 610 static void client_urgent_notify(ObClient *self)
 611 {
 612     if (self->urgent)
 613         frame_flash_start(self->frame);
 614     else
 615         frame_flash_stop(self->frame);
 616 }
 617
 618 static void client_restore_session_state(ObClient *self)
 619 {
 620     GList *it;
 621
 622     if (!(it = session_state_find(self)))
 623         return;
 624
 625     self->session = it->data;
 626
 627     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 628     self->positioned = PPosition;
 629     if (self->session->w > 0)
 630         self->area.width = self->session->w;
 631     if (self->session->h > 0)
 632         self->area.height = self->session->h;
 633     XResizeWindow(ob_display, self->window,
 634                   self->area.width, self->area.height);
 635
 636     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 637                      self->session->desktop :
 638                      MIN(screen_num_desktops - 1, self->session->desktop));
 639     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 640
 641     self->shaded = self->session->shaded;
 642     self->iconic = self->session->iconic;
 643     self->skip_pager = self->session->skip_pager;
 644     self->skip_taskbar = self->session->skip_taskbar;
 645     self->fullscreen = self->session->fullscreen;
 646     self->above = self->session->above;
 647     self->below = self->session->below;
 648     self->max_horz = self->session->max_horz;
 649     self->max_vert = self->session->max_vert;
 650 }
 651
 652 static void client_restore_session_stacking(ObClient *self)
 653 {
 654     GList *it;
 655
 656     if (!self->session) return;
 657
 658     it = g_list_find(session_saved_state, self->session);
 659     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
 660         GList *cit;
 661
 662         for (cit = client_list; cit; cit = g_list_next(cit))
 663             if (session_state_cmp(it->data, cit->data))
 664                 break;
 665         if (cit) {
 666             client_calc_layer(self);
 667             stacking_below(CLIENT_AS_WINDOW(self),
 668                            CLIENT_AS_WINDOW(cit->data));
 669             break;
 670         }
 671     }
 672 }
 673
 674 void client_move_onscreen(ObClient *self, gboolean rude)
 675 {
 676     gint x = self->area.x;
 677     gint y = self->area.y;
 678     if (client_find_onscreen(self, &x, &y,
 679                              self->frame->area.width,
 680                              self->frame->area.height, rude)) {
 681         client_move(self, x, y);
 682     }
 683 }
 684
 685 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 686                               gboolean rude)
 687 {
 688     Rect *a;
 689     gint ox = *x, oy = *y;
 690
 691     frame_client_gravity(self->frame, x, y); /* get where the frame
 692                                                 would be */
 693
 694     /* XXX watch for xinerama dead areas */
 695     /* This makes sure windows aren't entirely outside of the screen so you
 696      * can't see them at all */
 697     if (client_normal(self)) {
 698         a = screen_area(self->desktop);
 699         if (!self->strut.right && *x >= a->x + a->width - 1)
 700             *x = a->x + a->width - self->frame->area.width;
 701         if (!self->strut.bottom && *y >= a->y + a->height - 1)
 702             *y = a->y + a->height - self->frame->area.height;
 703         if (!self->strut.left && *x + self->frame->area.width - 1 < a->x)
 704             *x = a->x;
 705         if (!self->strut.top && *y + self->frame->area.height - 1 < a->y)
 706             *y = a->y;
 707     }
 708
 709     /* This here doesn't let windows even a pixel outside the screen,
 710      * when called from client_manage, programs placing themselves are
 711      * forced completely onscreen, while things like
 712      * xterm -geometry resolution-width/2 will work fine. Trying to
 713      * place it completely offscreen will be handled in the above code.
 714      * Sorry for this confused comment, i am tired. */
 715     if (rude) {
 716         /* avoid the xinerama monitor divide while we're at it,
 717          * remember to fix the placement stuff to avoid it also and
 718          * then remove this XXX */
 719         a = screen_physical_area_monitor(client_monitor(self));
 720         /* dont let windows map/move into the strut unless they
 721            are bigger than the available area */
 722         if (w <= a->width) {
 723             if (!self->strut.left && *x < a->x) *x = a->x;
 724             if (!self->strut.right && *x + w > a->x + a->width)
 725                 *x = a->x + a->width - w;
 726         }
 727         if (h <= a->height) {
 728             if (!self->strut.top && *y < a->y) *y = a->y;
 729             if (!self->strut.bottom && *y + h > a->y + a->height)
 730                 *y = a->y + a->height - h;
 731         }
 732     }
 733
 734     frame_frame_gravity(self->frame, x, y); /* get where the client
 735                                                should be */
 736
 737     return ox != *x || oy != *y;
 738 }
 739
 740 static void client_toggle_border(ObClient *self, gboolean show)
 741 {
 742     /* adjust our idea of where the client is, based on its border. When the
 743        border is removed, the client should now be considered to be in a
 744        different position.
 745        when re-adding the border to the client, the same operation needs to be
 746        reversed. */
 747     gint oldx = self->area.x, oldy = self->area.y;
 748     gint x = oldx, y = oldy;
 749     switch(self->gravity) {
 750     default:
 751     case NorthWestGravity:
 752     case WestGravity:
 753     case SouthWestGravity:
 754         break;
 755     case NorthEastGravity:
 756     case EastGravity:
 757     case SouthEastGravity:
 758         if (show) x -= self->border_width * 2;
 759         else      x += self->border_width * 2;
 760         break;
 761     case NorthGravity:
 762     case SouthGravity:
 763     case CenterGravity:
 764     case ForgetGravity:
 765     case StaticGravity:
 766         if (show) x -= self->border_width;
 767         else      x += self->border_width;
 768         break;
 769     }
 770     switch(self->gravity) {
 771     default:
 772     case NorthWestGravity:
 773     case NorthGravity:
 774     case NorthEastGravity:
 775         break;
 776     case SouthWestGravity:
 777     case SouthGravity:
 778     case SouthEastGravity:
 779         if (show) y -= self->border_width * 2;
 780         else      y += self->border_width * 2;
 781         break;
 782     case WestGravity:
 783     case EastGravity:
 784     case CenterGravity:
 785     case ForgetGravity:
 786     case StaticGravity:
 787         if (show) y -= self->border_width;
 788         else      y += self->border_width;
 789         break;
 790     }
 791     self->area.x = x;
 792     self->area.y = y;
 793
 794     if (show) {
 795         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 796
 797         /* move the client so it is back it the right spot _with_ its
 798            border! */
 799         if (x != oldx || y != oldy)
 800             XMoveWindow(ob_display, self->window, x, y);
 801     } else
 802         XSetWindowBorderWidth(ob_display, self->window, 0);
 803 }
 804
 805
 806 static void client_get_all(ObClient *self)
 807 {
 808     client_get_area(self);
 809     client_update_transient_for(self);
 810     client_update_wmhints(self);
 811     client_get_startup_id(self);
 812     client_get_desktop(self);
 813     client_get_shaped(self);
 814
 815     client_get_mwm_hints(self);
 816     client_get_type(self);/* this can change the mwmhints for special cases */
 817
 818     /* The transient hint is used to pick a type, but the type can also affect
 819        transiency (dialogs are always made transients). This is Havoc's idea,
 820        but it is needed to make some apps work right (eg tsclient). */
 821     client_update_transient_for(self);
 822
 823     client_get_state(self);
 824
 825     {
 826         /* a couple type-based defaults for new windows */
 827
 828         /* this makes sure that these windows appear on all desktops */
 829         if (self->type == OB_CLIENT_TYPE_DESKTOP)
 830             self->desktop = DESKTOP_ALL;
 831     }
 832
 833     client_update_protocols(self);
 834
 835     client_get_gravity(self); /* get the attribute gravity */
 836     client_update_normal_hints(self); /* this may override the attribute
 837                                          gravity */
 838
 839     /* got the type, the mwmhints, the protocols, and the normal hints
 840        (min/max sizes), so we're ready to set up the decorations/functions */
 841     client_setup_decor_and_functions(self);
 842
 843     client_update_title(self);
 844     client_update_class(self);
 845     client_update_sm_client_id(self);
 846     client_update_strut(self);
 847     client_update_icons(self);
 848 }
 849
 850 static void client_get_startup_id(ObClient *self)
 851 {
 852     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
 853         if (self->group)
 854             PROP_GETS(self->group->leader,
 855                       net_startup_id, utf8, &self->startup_id);
 856 }
 857
 858 static void client_get_area(ObClient *self)
 859 {
 860     XWindowAttributes wattrib;
 861     Status ret;
 862
 863     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 864     g_assert(ret != BadWindow);
 865
 866     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 867     self->border_width = wattrib.border_width;
 868 }
 869
 870 static void client_get_desktop(ObClient *self)
 871 {
 872     guint32 d = screen_num_desktops; /* an always-invalid value */
 873
 874     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
 875         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 876             self->desktop = screen_num_desktops - 1;
 877         else
 878             self->desktop = d;
 879     } else {
 880         gboolean trdesk = FALSE;
 881
 882         if (self->transient_for) {
 883             if (self->transient_for != OB_TRAN_GROUP) {
 884                 self->desktop = self->transient_for->desktop;
 885                 trdesk = TRUE;
 886             } else {
 887                 GSList *it;
 888
 889                 for (it = self->group->members; it; it = g_slist_next(it))
 890                     if (it->data != self &&
 891                         !((ObClient*)it->data)->transient_for) {
 892                         self->desktop = ((ObClient*)it->data)->desktop;
 893                         trdesk = TRUE;
 894                         break;
 895                     }
 896             }
 897         }
 898         if (!trdesk) {
 899             /* try get from the startup-notification protocol */
 900             if (sn_get_desktop(self->startup_id, &self->desktop)) {
 901                 if (self->desktop >= screen_num_desktops &&
 902                     self->desktop != DESKTOP_ALL)
 903                     self->desktop = screen_num_desktops - 1;
 904             } else
 905                 /* defaults to the current desktop */
 906                 self->desktop = screen_desktop;
 907         }
 908     }
 909     if (self->desktop != d) {
 910         /* set the desktop hint, to make sure that it always exists */
 911         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 912     }
 913 }
 914
 915 static void client_get_state(ObClient *self)
 916 {
 917     guint32 *state;
 918     guint num;
 919
 920     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
 921         gulong i;
 922         for (i = 0; i < num; ++i) {
 923             if (state[i] == prop_atoms.net_wm_state_modal)
 924                 self->modal = TRUE;
 925             else if (state[i] == prop_atoms.net_wm_state_shaded)
 926                 self->shaded = TRUE;
 927             else if (state[i] == prop_atoms.net_wm_state_hidden)
 928                 self->iconic = TRUE;
 929             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 930                 self->skip_taskbar = TRUE;
 931             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 932                 self->skip_pager = TRUE;
 933             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 934                 self->fullscreen = TRUE;
 935             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 936                 self->max_vert = TRUE;
 937             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 938                 self->max_horz = TRUE;
 939             else if (state[i] == prop_atoms.net_wm_state_above)
 940                 self->above = TRUE;
 941             else if (state[i] == prop_atoms.net_wm_state_below)
 942                 self->below = TRUE;
 943             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
 944                 self->undecorated = TRUE;
 945         }
 946
 947         g_free(state);
 948     }
 949
 950     if (!(self->above || self->below)) {
 951         if (self->group) {
 952             /* apply stuff from the group */
 953             GSList *it;
 954             gint layer = -2;
 955
 956             for (it = self->group->members; it; it = g_slist_next(it)) {
 957                 ObClient *c = it->data;
 958                 if (c != self && !client_search_transient(self, c) &&
 959                     client_normal(self) && client_normal(c))
 960                 {
 961                     layer = MAX(layer,
 962                                 (c->above ? 1 : (c->below ? -1 : 0)));
 963                 }
 964             }
 965             switch (layer) {
 966             case -1:
 967                 self->below = TRUE;
 968                 break;
 969             case -2:
 970             case 0:
 971                 break;
 972             case 1:
 973                 self->above = TRUE;
 974                 break;
 975             default:
 976                 g_assert_not_reached();
 977                 break;
 978             }
 979         }
 980     }
 981 }
 982
 983 static void client_get_shaped(ObClient *self)
 984 {
 985     self->shaped = FALSE;
 986 #ifdef   SHAPE
 987     if (extensions_shape) {
 988         gint foo;
 989         guint ufoo;
 990         gint s;
 991
 992         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 993
 994         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 995                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 996                            &ufoo);
 997         self->shaped = (s != 0);
 998     }
 999 #endif
1000 }
1001
1002 void client_update_transient_for(ObClient *self)
1003 {
1004     Window t = None;
1005     ObClient *target = NULL;
1006
1007     if (XGetTransientForHint(ob_display, self->window, &t)) {
1008         self->transient = TRUE;
1009         if (t != self->window) { /* cant be transient to itself! */
1010             target = g_hash_table_lookup(window_map, &t);
1011             /* if this happens then we need to check for it*/
1012             g_assert(target != self);
1013             if (target && !WINDOW_IS_CLIENT(target)) {
1014                 /* this can happen when a dialog is a child of
1015                    a dockapp, for example */
1016                 target = NULL;
1017             }
1018
1019             if (!target && self->group) {
1020                 /* not transient to a client, see if it is transient for a
1021                    group */
1022                 if (t == self->group->leader ||
1023                     t == None ||
1024                     t == RootWindow(ob_display, ob_screen))
1025                 {
1026                     /* window is a transient for its group! */
1027                     target = OB_TRAN_GROUP;
1028                 }
1029             }
1030         }
1031     } else if (self->type == OB_CLIENT_TYPE_DIALOG && self->group) {
1032         self->transient = TRUE;
1033         target = OB_TRAN_GROUP;
1034     } else
1035         self->transient = FALSE;
1036
1037     /* if anything has changed... */
1038     if (target != self->transient_for) {
1039         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
1040             GSList *it;
1041
1042             /* remove from old parents */
1043             for (it = self->group->members; it; it = g_slist_next(it)) {
1044                 ObClient *c = it->data;
1045                 if (c != self && !c->transient_for)
1046                     c->transients = g_slist_remove(c->transients, self);
1047             }
1048         } else if (self->transient_for != NULL) { /* transient of window */
1049             /* remove from old parent */
1050             self->transient_for->transients =
1051                 g_slist_remove(self->transient_for->transients, self);
1052         }
1053         self->transient_for = target;
1054         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
1055             GSList *it;
1056
1057             /* add to new parents */
1058             for (it = self->group->members; it; it = g_slist_next(it)) {
1059                 ObClient *c = it->data;
1060                 if (c != self && !c->transient_for)
1061                     c->transients = g_slist_append(c->transients, self);
1062             }
1063
1064             /* remove all transients which are in the group, that causes
1065                circlular pointer hell of doom */
1066             for (it = self->group->members; it; it = g_slist_next(it)) {
1067                 GSList *sit, *next;
1068                 for (sit = self->transients; sit; sit = next) {
1069                     next = g_slist_next(sit);
1070                     if (sit->data == it->data)
1071                         self->transients =
1072                             g_slist_delete_link(self->transients, sit);
1073                 }
1074             }
1075         } else if (self->transient_for != NULL) { /* transient of window */
1076             /* add to new parent */
1077             self->transient_for->transients =
1078                 g_slist_append(self->transient_for->transients, self);
1079         }
1080     }
1081 }
1082
1083 static void client_get_mwm_hints(ObClient *self)
1084 {
1085     guint num;
1086     guint32 *hints;
1087
1088     self->mwmhints.flags = 0; /* default to none */
1089
1090     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1091                     &hints, &num)) {
1092         if (num >= OB_MWM_ELEMENTS) {
1093             self->mwmhints.flags = hints[0];
1094             self->mwmhints.functions = hints[1];
1095             self->mwmhints.decorations = hints[2];
1096         }
1097         g_free(hints);
1098     }
1099 }
1100
1101 void client_get_type(ObClient *self)
1102 {
1103     guint num, i;
1104     guint32 *val;
1105
1106     self->type = -1;
1107
1108     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1109         /* use the first value that we know about in the array */
1110         for (i = 0; i < num; ++i) {
1111             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1112                 self->type = OB_CLIENT_TYPE_DESKTOP;
1113             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1114                 self->type = OB_CLIENT_TYPE_DOCK;
1115             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1116                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1117             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1118                 self->type = OB_CLIENT_TYPE_MENU;
1119             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1120                 self->type = OB_CLIENT_TYPE_UTILITY;
1121             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1122                 self->type = OB_CLIENT_TYPE_SPLASH;
1123             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1124                 self->type = OB_CLIENT_TYPE_DIALOG;
1125             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1126                 self->type = OB_CLIENT_TYPE_NORMAL;
1127             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1128                 /* prevent this window from getting any decor or
1129                    functionality */
1130                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1131                                          OB_MWM_FLAG_DECORATIONS);
1132                 self->mwmhints.decorations = 0;
1133                 self->mwmhints.functions = 0;
1134             }
1135             if (self->type != (ObClientType) -1)
1136                 break; /* grab the first legit type */
1137         }
1138         g_free(val);
1139     }
1140
1141     if (self->type == (ObClientType) -1) {
1142         /*the window type hint was not set, which means we either classify
1143           ourself as a normal window or a dialog, depending on if we are a
1144           transient. */
1145         if (self->transient)
1146             self->type = OB_CLIENT_TYPE_DIALOG;
1147         else
1148             self->type = OB_CLIENT_TYPE_NORMAL;
1149     }
1150 }
1151
1152 void client_update_protocols(ObClient *self)
1153 {
1154     guint32 *proto;
1155     guint num_return, i;
1156
1157     self->focus_notify = FALSE;
1158     self->delete_window = FALSE;
1159
1160     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1161         for (i = 0; i < num_return; ++i) {
1162             if (proto[i] == prop_atoms.wm_delete_window) {
1163                 /* this means we can request the window to close */
1164                 self->delete_window = TRUE;
1165             } else if (proto[i] == prop_atoms.wm_take_focus)
1166                 /* if this protocol is requested, then the window will be
1167                    notified whenever we want it to receive focus */
1168                 self->focus_notify = TRUE;
1169         }
1170         g_free(proto);
1171     }
1172 }
1173
1174 static void client_get_gravity(ObClient *self)
1175 {
1176     XWindowAttributes wattrib;
1177     Status ret;
1178
1179     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1180     g_assert(ret != BadWindow);
1181     self->gravity = wattrib.win_gravity;
1182 }
1183
1184 void client_update_normal_hints(ObClient *self)
1185 {
1186     XSizeHints size;
1187     glong ret;
1188     gint oldgravity = self->gravity;
1189
1190     /* defaults */
1191     self->min_ratio = 0.0f;
1192     self->max_ratio = 0.0f;
1193     SIZE_SET(self->size_inc, 1, 1);
1194     SIZE_SET(self->base_size, 0, 0);
1195     SIZE_SET(self->min_size, 0, 0);
1196     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1197
1198     /* get the hints from the window */
1199     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1200         /* normal windows can't request placement! har har
1201         if (!client_normal(self))
1202         */
1203         self->positioned = (size.flags & (PPosition|USPosition));
1204
1205         if (size.flags & PWinGravity) {
1206             self->gravity = size.win_gravity;
1207
1208             /* if the client has a frame, i.e. has already been mapped and
1209                is changing its gravity */
1210             if (self->frame && self->gravity != oldgravity) {
1211                 /* move our idea of the client's position based on its new
1212                    gravity */
1213                 self->area.x = self->frame->area.x;
1214                 self->area.y = self->frame->area.y;
1215                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
1216             }
1217         }
1218
1219         if (size.flags & PAspect) {
1220             if (size.min_aspect.y)
1221                 self->min_ratio =
1222                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1223             if (size.max_aspect.y)
1224                 self->max_ratio =
1225                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1226         }
1227
1228         if (size.flags & PMinSize)
1229             SIZE_SET(self->min_size, size.min_width, size.min_height);
1230
1231         if (size.flags & PMaxSize)
1232             SIZE_SET(self->max_size, size.max_width, size.max_height);
1233
1234         if (size.flags & PBaseSize)
1235             SIZE_SET(self->base_size, size.base_width, size.base_height);
1236
1237         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1238             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1239     }
1240 }
1241
1242 void client_setup_decor_and_functions(ObClient *self)
1243 {
1244     /* start with everything (cept fullscreen) */
1245     self->decorations =
1246         (OB_FRAME_DECOR_TITLEBAR |
1247          OB_FRAME_DECOR_HANDLE |
1248          OB_FRAME_DECOR_GRIPS |
1249          OB_FRAME_DECOR_BORDER |
1250          OB_FRAME_DECOR_ICON |
1251          OB_FRAME_DECOR_ALLDESKTOPS |
1252          OB_FRAME_DECOR_ICONIFY |
1253          OB_FRAME_DECOR_MAXIMIZE |
1254          OB_FRAME_DECOR_SHADE |
1255          OB_FRAME_DECOR_CLOSE);
1256     self->functions =
1257         (OB_CLIENT_FUNC_RESIZE |
1258          OB_CLIENT_FUNC_MOVE |
1259          OB_CLIENT_FUNC_ICONIFY |
1260          OB_CLIENT_FUNC_MAXIMIZE |
1261          OB_CLIENT_FUNC_SHADE |
1262          OB_CLIENT_FUNC_CLOSE);
1263
1264     if (!(self->min_size.width < self->max_size.width ||
1265           self->min_size.height < self->max_size.height))
1266         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1267
1268     switch (self->type) {
1269     case OB_CLIENT_TYPE_NORMAL:
1270         /* normal windows retain all of the possible decorations and
1271            functionality, and are the only windows that you can fullscreen */
1272         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1273         break;
1274
1275     case OB_CLIENT_TYPE_DIALOG:
1276     case OB_CLIENT_TYPE_UTILITY:
1277         /* these windows cannot be maximized */
1278         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1279         break;
1280
1281     case OB_CLIENT_TYPE_MENU:
1282     case OB_CLIENT_TYPE_TOOLBAR:
1283         /* these windows get less functionality */
1284         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1285         break;
1286
1287     case OB_CLIENT_TYPE_DESKTOP:
1288     case OB_CLIENT_TYPE_DOCK:
1289     case OB_CLIENT_TYPE_SPLASH:
1290         /* none of these windows are manipulated by the window manager */
1291         self->decorations = 0;
1292         self->functions = 0;
1293         break;
1294     }
1295
1296     /* Mwm Hints are applied subtractively to what has already been chosen for
1297        decor and functionality */
1298     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1299         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1300             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1301                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1302                 /* if the mwm hints request no handle or title, then all
1303                    decorations are disabled */
1304                 self->decorations = config_theme_keepborder ? OB_FRAME_DECOR_BORDER : 0;
1305         }
1306     }
1307
1308     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1309         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1310             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1311                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1312             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1313                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1314             /* dont let mwm hints kill any buttons
1315                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1316                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1317                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1318                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1319             */
1320             /* dont let mwm hints kill the close button
1321                if (! (self->mwmhints.functions & MwmFunc_Close))
1322                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1323         }
1324     }
1325
1326     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1327         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1328     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1329         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1330     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1331         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1332
1333     /* can't maximize without moving/resizing */
1334     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1335           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1336           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1337         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1338         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1339     }
1340
1341     /* kill the handle on fully maxed windows */
1342     if (self->max_vert && self->max_horz)
1343         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1344
1345     /* finally, the user can have requested no decorations, which overrides
1346        everything (but doesnt give it a border if it doesnt have one) */
1347     if (self->undecorated) {
1348         if (config_theme_keepborder)
1349             self->decorations &= OB_FRAME_DECOR_BORDER;
1350         else
1351             self->decorations = 0;
1352     }
1353
1354     /* if we don't have a titlebar, then we cannot shade! */
1355     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1356         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1357
1358     /* now we need to check against rules for the client's current state */
1359     if (self->fullscreen) {
1360         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1361                             OB_CLIENT_FUNC_FULLSCREEN |
1362                             OB_CLIENT_FUNC_ICONIFY);
1363         self->decorations = 0;
1364     }
1365
1366     client_change_allowed_actions(self);
1367
1368     if (self->frame) {
1369         /* adjust the client's decorations, etc. */
1370         client_reconfigure(self);
1371     }
1372 }
1373
1374 static void client_change_allowed_actions(ObClient *self)
1375 {
1376     gulong actions[9];
1377     gint num = 0;
1378
1379     /* desktop windows are kept on all desktops */
1380     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1381         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1382
1383     if (self->functions & OB_CLIENT_FUNC_SHADE)
1384         actions[num++] = prop_atoms.net_wm_action_shade;
1385     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1386         actions[num++] = prop_atoms.net_wm_action_close;
1387     if (self->functions & OB_CLIENT_FUNC_MOVE)
1388         actions[num++] = prop_atoms.net_wm_action_move;
1389     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1390         actions[num++] = prop_atoms.net_wm_action_minimize;
1391     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1392         actions[num++] = prop_atoms.net_wm_action_resize;
1393     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1394         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1395     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1396         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1397         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1398     }
1399
1400     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1401
1402     /* make sure the window isn't breaking any rules now */
1403
1404     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1405         if (self->frame) client_shade(self, FALSE);
1406         else self->shaded = FALSE;
1407     }
1408     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1409         if (self->frame) client_iconify(self, FALSE, TRUE);
1410         else self->iconic = FALSE;
1411     }
1412     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1413         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1414         else self->fullscreen = FALSE;
1415     }
1416     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1417                                                          self->max_vert)) {
1418         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1419         else self->max_vert = self->max_horz = FALSE;
1420     }
1421 }
1422
1423 void client_reconfigure(ObClient *self)
1424 {
1425     /* by making this pass FALSE for user, we avoid the emacs event storm where
1426        every configurenotify causes an update in its normal hints, i think this
1427        is generally what we want anyways... */
1428     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1429                      self->area.width, self->area.height, FALSE, TRUE);
1430 }
1431
1432 void client_update_wmhints(ObClient *self)
1433 {
1434     XWMHints *hints;
1435     gboolean ur = FALSE;
1436     GSList *it;
1437
1438     /* assume a window takes input if it doesnt specify */
1439     self->can_focus = TRUE;
1440
1441     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1442         if (hints->flags & InputHint)
1443             self->can_focus = hints->input;
1444
1445         /* only do this when first managing the window *AND* when we aren't
1446            starting up! */
1447         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1448             if (hints->flags & StateHint)
1449                 self->iconic = hints->initial_state == IconicState;
1450
1451         if (hints->flags & XUrgencyHint)
1452             ur = TRUE;
1453
1454         if (!(hints->flags & WindowGroupHint))
1455             hints->window_group = None;
1456
1457         /* did the group state change? */
1458         if (hints->window_group !=
1459             (self->group ? self->group->leader : None)) {
1460             /* remove from the old group if there was one */
1461             if (self->group != NULL) {
1462                 /* remove transients of the group */
1463                 for (it = self->group->members; it; it = g_slist_next(it))
1464                     self->transients = g_slist_remove(self->transients,
1465                                                       it->data);
1466
1467                 /* remove myself from parents in the group */
1468                 if (self->transient_for == OB_TRAN_GROUP) {
1469                     for (it = self->group->members; it;
1470                          it = g_slist_next(it))
1471                     {
1472                         ObClient *c = it->data;
1473
1474                         if (c != self && !c->transient_for)
1475                             c->transients = g_slist_remove(c->transients,
1476                                                            self);
1477                     }
1478                 }
1479
1480                 group_remove(self->group, self);
1481                 self->group = NULL;
1482             }
1483             if (hints->window_group != None) {
1484                 self->group = group_add(hints->window_group, self);
1485
1486                 /* i can only have transients from the group if i am not
1487                    transient myself */
1488                 if (!self->transient_for) {
1489                     /* add other transients of the group that are already
1490                        set up */
1491                     for (it = self->group->members; it;
1492                          it = g_slist_next(it))
1493                     {
1494                         ObClient *c = it->data;
1495                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1496                             self->transients =
1497                                 g_slist_append(self->transients, c);
1498                     }
1499                 }
1500             }
1501
1502             /* because the self->transient flag wont change from this call,
1503                we don't need to update the window's type and such, only its
1504                transient_for, and the transients lists of other windows in
1505                the group may be affected */
1506             client_update_transient_for(self);
1507         }
1508
1509         /* the WM_HINTS can contain an icon */
1510         client_update_icons(self);
1511
1512         XFree(hints);
1513     }
1514
1515     if (ur != self->urgent) {
1516         self->urgent = ur;
1517         /* fire the urgent callback if we're mapped, otherwise, wait until
1518            after we're mapped */
1519         if (self->frame)
1520             client_urgent_notify(self);
1521     }
1522 }
1523
1524 void client_update_title(ObClient *self)
1525 {
1526     GList *it;
1527     guint32 nums;
1528     guint i;
1529     gchar *data = NULL;
1530     gboolean read_title;
1531     gchar *old_title;
1532
1533     old_title = self->title;
1534
1535     /* try netwm */
1536     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1537         /* try old x stuff */
1538         if (!PROP_GETS(self->window, wm_name, locale, &data)
1539             && !PROP_GETS(self->window, wm_name, utf8, &data)) {
1540             // http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1541             if (self->transient) {
1542                 data = g_strdup("");
1543                 goto no_number;
1544             } else
1545                 data = g_strdup("Unnamed Window");
1546         }
1547     }
1548
1549     /* did the title change? then reset the title_count */
1550     if (old_title && 0 != strncmp(old_title, data, strlen(data)))
1551         self->title_count = 1;
1552
1553     /* look for duplicates and append a number */
1554     nums = 0;
1555     for (it = client_list; it; it = g_list_next(it))
1556         if (it->data != self) {
1557             ObClient *c = it->data;
1558             if (0 == strncmp(c->title, data, strlen(data)))
1559                 nums |= 1 << c->title_count;
1560         }
1561     /* find first free number */
1562     for (i = 1; i <= 32; ++i)
1563         if (!(nums & (1 << i))) {
1564             if (self->title_count == 1 || i == 1)
1565                 self->title_count = i;
1566             break;
1567         }
1568     /* dont display the number for the first window */
1569     if (self->title_count > 1) {
1570         gchar *ndata;
1571         ndata = g_strdup_printf("%s - [%u]", data, self->title_count);
1572         g_free(data);
1573         data = ndata;
1574     }
1575
1576     PROP_SETS(self->window, net_wm_visible_name, data);
1577 no_number:
1578     self->title = data;
1579
1580     if (self->frame)
1581         frame_adjust_title(self->frame);
1582
1583     g_free(old_title);
1584
1585     /* update the icon title */
1586     data = NULL;
1587     g_free(self->icon_title);
1588
1589     read_title = TRUE;
1590     /* try netwm */
1591     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1592         /* try old x stuff */
1593         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1594             data = g_strdup(self->title);
1595             read_title = FALSE;
1596         }
1597
1598     /* append the title count, dont display the number for the first window */
1599     if (read_title && self->title_count > 1) {
1600         gchar *vdata, *ndata;
1601         ndata = g_strdup_printf(" - [%u]", self->title_count);
1602         vdata = g_strconcat(data, ndata, NULL);
1603         g_free(ndata);
1604         g_free(data);
1605         data = vdata;
1606     }
1607
1608     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1609
1610     self->icon_title = data;
1611 }
1612
1613 void client_update_class(ObClient *self)
1614 {
1615     gchar **data;
1616     gchar *s;
1617
1618     if (self->name) g_free(self->name);
1619     if (self->class) g_free(self->class);
1620     if (self->role) g_free(self->role);
1621
1622     self->name = self->class = self->role = NULL;
1623
1624     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1625         if (data[0]) {
1626             self->name = g_strdup(data[0]);
1627             if (data[1])
1628                 self->class = g_strdup(data[1]);
1629         }
1630         g_strfreev(data);
1631     }
1632
1633     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1634         self->role = s;
1635
1636     if (self->name == NULL) self->name = g_strdup("");
1637     if (self->class == NULL) self->class = g_strdup("");
1638     if (self->role == NULL) self->role = g_strdup("");
1639 }
1640
1641 void client_update_strut(ObClient *self)
1642 {
1643     guint num;
1644     guint32 *data;
1645     gboolean got = FALSE;
1646     StrutPartial strut;
1647
1648     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1649                     &data, &num)) {
1650         if (num == 12) {
1651             got = TRUE;
1652             STRUT_PARTIAL_SET(strut,
1653                               data[0], data[2], data[1], data[3],
1654                               data[4], data[5], data[8], data[9],
1655                               data[6], data[7], data[10], data[11]);
1656         }
1657         g_free(data);
1658     }
1659
1660     if (!got &&
1661         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1662         if (num == 4) {
1663             const Rect *a;
1664
1665             got = TRUE;
1666
1667             /* use the screen's width/height */
1668             a = screen_physical_area();
1669
1670             STRUT_PARTIAL_SET(strut,
1671                               data[0], data[2], data[1], data[3],
1672                               a->y, a->y + a->height - 1,
1673                               a->x, a->x + a->width - 1,
1674                               a->y, a->y + a->height - 1,
1675                               a->x, a->x + a->width - 1);
1676         }
1677         g_free(data);
1678     }
1679
1680     if (!got)
1681         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1682                           0, 0, 0, 0, 0, 0, 0, 0);
1683
1684     if (!STRUT_EQUAL(strut, self->strut)) {
1685         self->strut = strut;
1686
1687         /* updating here is pointless while we're being mapped cuz we're not in
1688            the client list yet */
1689         if (self->frame)
1690             screen_update_areas();
1691     }
1692 }
1693
1694 void client_update_icons(ObClient *self)
1695 {
1696     guint num;
1697     guint32 *data;
1698     guint w, h, i, j;
1699
1700     for (i = 0; i < self->nicons; ++i)
1701         g_free(self->icons[i].data);
1702     if (self->nicons > 0)
1703         g_free(self->icons);
1704     self->nicons = 0;
1705
1706     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1707         /* figure out how many valid icons are in here */
1708         i = 0;
1709         while (num - i > 2) {
1710             w = data[i++];
1711             h = data[i++];
1712             i += w * h;
1713             if (i > num || w*h == 0) break;
1714             ++self->nicons;
1715         }
1716
1717         self->icons = g_new(ObClientIcon, self->nicons);
1718
1719         /* store the icons */
1720         i = 0;
1721         for (j = 0; j < self->nicons; ++j) {
1722             guint x, y, t;
1723
1724             w = self->icons[j].width = data[i++];
1725             h = self->icons[j].height = data[i++];
1726
1727             if (w*h == 0) continue;
1728
1729             self->icons[j].data = g_new(RrPixel32, w * h);
1730             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1731                 if (x >= w) {
1732                     x = 0;
1733                     ++y;
1734                 }
1735                 self->icons[j].data[t] =
1736                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1737                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1738                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1739                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1740             }
1741             g_assert(i <= num);
1742         }
1743
1744         g_free(data);
1745     } else if (PROP_GETA32(self->window, kwm_win_icon,
1746                            kwm_win_icon, &data, &num)) {
1747         if (num == 2) {
1748             self->nicons++;
1749             self->icons = g_new(ObClientIcon, self->nicons);
1750             xerror_set_ignore(TRUE);
1751             if (!RrPixmapToRGBA(ob_rr_inst,
1752                                 data[0], data[1],
1753                                 &self->icons[self->nicons-1].width,
1754                                 &self->icons[self->nicons-1].height,
1755                                 &self->icons[self->nicons-1].data)) {
1756                 g_free(&self->icons[self->nicons-1]);
1757                 self->nicons--;
1758             }
1759             xerror_set_ignore(FALSE);
1760         }
1761         g_free(data);
1762     } else {
1763         XWMHints *hints;
1764
1765         if ((hints = XGetWMHints(ob_display, self->window))) {
1766             if (hints->flags & IconPixmapHint) {
1767                 self->nicons++;
1768                 self->icons = g_new(ObClientIcon, self->nicons);
1769                 xerror_set_ignore(TRUE);
1770                 if (!RrPixmapToRGBA(ob_rr_inst,
1771                                     hints->icon_pixmap,
1772                                     (hints->flags & IconMaskHint ?
1773                                      hints->icon_mask : None),
1774                                     &self->icons[self->nicons-1].width,
1775                                     &self->icons[self->nicons-1].height,
1776                                     &self->icons[self->nicons-1].data)){
1777                     g_free(&self->icons[self->nicons-1]);
1778                     self->nicons--;
1779                 }
1780                 xerror_set_ignore(FALSE);
1781             }
1782             XFree(hints);
1783         }
1784     }
1785
1786     if (self->frame)
1787         frame_adjust_icon(self->frame);
1788 }
1789
1790 static void client_change_state(ObClient *self)
1791 {
1792     gulong state[2];
1793     gulong netstate[11];
1794     guint num;
1795
1796     state[0] = self->wmstate;
1797     state[1] = None;
1798     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1799
1800     num = 0;
1801     if (self->modal)
1802         netstate[num++] = prop_atoms.net_wm_state_modal;
1803     if (self->shaded)
1804         netstate[num++] = prop_atoms.net_wm_state_shaded;
1805     if (self->iconic)
1806         netstate[num++] = prop_atoms.net_wm_state_hidden;
1807     if (self->skip_taskbar)
1808         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1809     if (self->skip_pager)
1810         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1811     if (self->fullscreen)
1812         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1813     if (self->max_vert)
1814         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1815     if (self->max_horz)
1816         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1817     if (self->above)
1818         netstate[num++] = prop_atoms.net_wm_state_above;
1819     if (self->below)
1820         netstate[num++] = prop_atoms.net_wm_state_below;
1821     if (self->undecorated)
1822         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
1823     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1824
1825     client_calc_layer(self);
1826
1827     if (self->frame)
1828         frame_adjust_state(self->frame);
1829 }
1830
1831 ObClient *client_search_focus_tree(ObClient *self)
1832 {
1833     GSList *it;
1834     ObClient *ret;
1835
1836     for (it = self->transients; it; it = g_slist_next(it)) {
1837         if (client_focused(it->data)) return it->data;
1838         if ((ret = client_search_focus_tree(it->data))) return ret;
1839     }
1840     return NULL;
1841 }
1842
1843 ObClient *client_search_focus_tree_full(ObClient *self)
1844 {
1845     if (self->transient_for) {
1846         if (self->transient_for != OB_TRAN_GROUP) {
1847             return client_search_focus_tree_full(self->transient_for);
1848         } else {
1849             GSList *it;
1850             gboolean recursed = FALSE;
1851
1852             for (it = self->group->members; it; it = g_slist_next(it))
1853                 if (!((ObClient*)it->data)->transient_for) {
1854                     ObClient *c;
1855                     if ((c = client_search_focus_tree_full(it->data)))
1856                         return c;
1857                     recursed = TRUE;
1858                 }
1859             if (recursed)
1860                 return NULL;
1861         }
1862     }
1863
1864     /* this function checks the whole tree, the client_search_focus_tree~
1865        does not, so we need to check this window */
1866     if (client_focused(self))
1867         return self;
1868     return client_search_focus_tree(self);
1869 }
1870
1871 static ObStackingLayer calc_layer(ObClient *self)
1872 {
1873     ObStackingLayer l;
1874
1875     if (self->fullscreen &&
1876         (client_focused(self) || client_search_focus_tree(self)))
1877         l = OB_STACKING_LAYER_FULLSCREEN;
1878     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1879         l = OB_STACKING_LAYER_DESKTOP;
1880     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1881         if (self->below) l = OB_STACKING_LAYER_NORMAL;
1882         else l = OB_STACKING_LAYER_ABOVE;
1883     }
1884     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1885     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1886     else l = OB_STACKING_LAYER_NORMAL;
1887
1888     return l;
1889 }
1890
1891 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1892                                         ObStackingLayer l, gboolean raised)
1893 {
1894     ObStackingLayer old, own;
1895     GSList *it;
1896
1897     old = self->layer;
1898     own = calc_layer(self);
1899     self->layer = l > own ? l : own;
1900
1901     for (it = self->transients; it; it = g_slist_next(it))
1902         client_calc_layer_recursive(it->data, orig,
1903                                     l, raised ? raised : l != old);
1904
1905     if (!raised && l != old)
1906         if (orig->frame) { /* only restack if the original window is managed */
1907             stacking_remove(CLIENT_AS_WINDOW(self));
1908             stacking_add(CLIENT_AS_WINDOW(self));
1909         }
1910 }
1911
1912 void client_calc_layer(ObClient *self)
1913 {
1914     ObStackingLayer l;
1915     ObClient *orig;
1916
1917     orig = self;
1918
1919     /* transients take on the layer of their parents */
1920     self = client_search_top_transient(self);
1921
1922     l = calc_layer(self);
1923
1924     client_calc_layer_recursive(self, orig, l, FALSE);
1925 }
1926
1927 gboolean client_should_show(ObClient *self)
1928 {
1929     if (self->iconic)
1930         return FALSE;
1931     if (client_normal(self) && screen_showing_desktop)
1932         return FALSE;
1933     /*
1934     if (self->transient_for) {
1935         if (self->transient_for != OB_TRAN_GROUP)
1936             return client_should_show(self->transient_for);
1937         else {
1938             GSList *it;
1939
1940             for (it = self->group->members; it; it = g_slist_next(it)) {
1941                 ObClient *c = it->data;
1942                 if (c != self && !c->transient_for) {
1943                     if (client_should_show(c))
1944                         return TRUE;
1945                 }
1946             }
1947         }
1948     }
1949     */
1950     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
1951         return TRUE;
1952
1953     return FALSE;
1954 }
1955
1956 static void client_showhide(ObClient *self)
1957 {
1958
1959     if (client_should_show(self))
1960         frame_show(self->frame);
1961     else
1962         frame_hide(self->frame);
1963 }
1964
1965 gboolean client_normal(ObClient *self) {
1966     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1967               self->type == OB_CLIENT_TYPE_DOCK ||
1968               self->type == OB_CLIENT_TYPE_SPLASH);
1969 }
1970
1971 static void client_apply_startup_state(ObClient *self)
1972 {
1973     /* these are in a carefully crafted order.. */
1974
1975     if (self->iconic) {
1976         self->iconic = FALSE;
1977         client_iconify(self, TRUE, FALSE);
1978     }
1979     if (self->fullscreen) {
1980         self->fullscreen = FALSE;
1981         client_fullscreen(self, TRUE, FALSE);
1982     }
1983     if (self->undecorated) {
1984         self->undecorated = FALSE;
1985         client_set_undecorated(self, TRUE);
1986     }
1987     if (self->shaded) {
1988         self->shaded = FALSE;
1989         client_shade(self, TRUE);
1990     }
1991     if (self->urgent)
1992         client_urgent_notify(self);
1993
1994     if (self->max_vert && self->max_horz) {
1995         self->max_vert = self->max_horz = FALSE;
1996         client_maximize(self, TRUE, 0, FALSE);
1997     } else if (self->max_vert) {
1998         self->max_vert = FALSE;
1999         client_maximize(self, TRUE, 2, FALSE);
2000     } else if (self->max_horz) {
2001         self->max_horz = FALSE;
2002         client_maximize(self, TRUE, 1, FALSE);
2003     }
2004
2005     /* nothing to do for the other states:
2006        skip_taskbar
2007        skip_pager
2008        modal
2009        above
2010        below
2011     */
2012 }
2013
2014 void client_configure_full(ObClient *self, ObCorner anchor,
2015                            gint x, gint y, gint w, gint h,
2016                            gboolean user, gboolean final,
2017                            gboolean force_reply)
2018 {
2019     gint oldw, oldh;
2020     gboolean send_resize_client;
2021     gboolean moved = FALSE, resized = FALSE;
2022     guint fdecor = self->frame->decorations;
2023     gboolean fhorz = self->frame->max_horz;
2024
2025     /* make the frame recalculate its dimentions n shit without changing
2026        anything visible for real, this way the constraints below can work with
2027        the updated frame dimensions. */
2028     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2029
2030     /* gets the frame's position */
2031     frame_client_gravity(self->frame, &x, &y);
2032
2033     /* these positions are frame positions, not client positions */
2034
2035     /* set the size and position if fullscreen */
2036     if (self->fullscreen) {
2037         Rect *a;
2038         guint i;
2039
2040         i = client_monitor(self);
2041         a = screen_physical_area_monitor(i);
2042
2043         x = a->x;
2044         y = a->y;
2045         w = a->width;
2046         h = a->height;
2047
2048         user = FALSE; /* ignore that increment etc shit when in fullscreen */
2049     } else {
2050         Rect *a;
2051
2052         a = screen_area_monitor(self->desktop, client_monitor(self));
2053
2054         /* set the size and position if maximized */
2055         if (self->max_horz) {
2056             x = a->x;
2057             w = a->width - self->frame->size.left - self->frame->size.right;
2058         }
2059         if (self->max_vert) {
2060             y = a->y;
2061             h = a->height - self->frame->size.top - self->frame->size.bottom;
2062         }
2063     }
2064
2065     /* gets the client's position */
2066     frame_frame_gravity(self->frame, &x, &y);
2067
2068     /* these override the above states! if you cant move you can't move! */
2069     if (user) {
2070         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2071             x = self->area.x;
2072             y = self->area.y;
2073         }
2074         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2075             w = self->area.width;
2076             h = self->area.height;
2077         }
2078     }
2079
2080     if (!(w == self->area.width && h == self->area.height)) {
2081         gint basew, baseh, minw, minh;
2082
2083         /* base size is substituted with min size if not specified */
2084         if (self->base_size.width || self->base_size.height) {
2085             basew = self->base_size.width;
2086             baseh = self->base_size.height;
2087         } else {
2088             basew = self->min_size.width;
2089             baseh = self->min_size.height;
2090         }
2091         /* min size is substituted with base size if not specified */
2092         if (self->min_size.width || self->min_size.height) {
2093             minw = self->min_size.width;
2094             minh = self->min_size.height;
2095         } else {
2096             minw = self->base_size.width;
2097             minh = self->base_size.height;
2098         }
2099
2100         /* if this is a user-requested resize, then check against min/max
2101            sizes */
2102
2103         /* smaller than min size or bigger than max size? */
2104         if (w > self->max_size.width) w = self->max_size.width;
2105         if (w < minw) w = minw;
2106         if (h > self->max_size.height) h = self->max_size.height;
2107         if (h < minh) h = minh;
2108
2109         w -= basew;
2110         h -= baseh;
2111
2112         /* keep to the increments */
2113         w /= self->size_inc.width;
2114         h /= self->size_inc.height;
2115
2116         /* you cannot resize to nothing */
2117         if (basew + w < 1) w = 1 - basew;
2118         if (baseh + h < 1) h = 1 - baseh;
2119
2120         /* store the logical size */
2121         SIZE_SET(self->logical_size,
2122                  self->size_inc.width > 1 ? w : w + basew,
2123                  self->size_inc.height > 1 ? h : h + baseh);
2124
2125         w *= self->size_inc.width;
2126         h *= self->size_inc.height;
2127
2128         w += basew;
2129         h += baseh;
2130
2131         /* adjust the height to match the width for the aspect ratios.
2132            for this, min size is not substituted for base size ever. */
2133         w -= self->base_size.width;
2134         h -= self->base_size.height;
2135
2136         if (!self->fullscreen) {
2137             if (self->min_ratio)
2138                 if (h * self->min_ratio > w) {
2139                     h = (gint)(w / self->min_ratio);
2140
2141                     /* you cannot resize to nothing */
2142                     if (h < 1) {
2143                         h = 1;
2144                         w = (gint)(h * self->min_ratio);
2145                     }
2146                 }
2147             if (self->max_ratio)
2148                 if (h * self->max_ratio < w) {
2149                     h = (gint)(w / self->max_ratio);
2150
2151                     /* you cannot resize to nothing */
2152                     if (h < 1) {
2153                         h = 1;
2154                         w = (gint)(h * self->min_ratio);
2155                     }
2156                 }
2157         }
2158
2159         w += self->base_size.width;
2160         h += self->base_size.height;
2161     }
2162
2163     g_assert(w > 0);
2164     g_assert(h > 0);
2165
2166     switch (anchor) {
2167     case OB_CORNER_TOPLEFT:
2168         break;
2169     case OB_CORNER_TOPRIGHT:
2170         x -= w - self->area.width;
2171         break;
2172     case OB_CORNER_BOTTOMLEFT:
2173         y -= h - self->area.height;
2174         break;
2175     case OB_CORNER_BOTTOMRIGHT:
2176         x -= w - self->area.width;
2177         y -= h - self->area.height;
2178         break;
2179     }
2180
2181     moved = x != self->area.x || y != self->area.y;
2182     resized = w != self->area.width || h != self->area.height;
2183
2184     oldw = self->area.width;
2185     oldh = self->area.height;
2186     RECT_SET(self->area, x, y, w, h);
2187
2188     /* for app-requested resizes, always resize if 'resized' is true.
2189        for user-requested ones, only resize if final is true, or when
2190        resizing in redraw mode */
2191     send_resize_client = ((!user && resized) ||
2192                           (user && (final ||
2193                                     (resized && config_resize_redraw))));
2194
2195     /* if the client is enlarging, then resize the client before the frame */
2196     if (send_resize_client && user && (w > oldw || h > oldh))
2197         XResizeWindow(ob_display, self->window, MAX(w, oldw), MAX(h, oldh));
2198
2199     /* move/resize the frame to match the request */
2200     if (self->frame) {
2201         if (self->decorations != fdecor || self->max_horz != fhorz)
2202             moved = resized = TRUE;
2203
2204         if (moved || resized)
2205             frame_adjust_area(self->frame, moved, resized, FALSE);
2206
2207         if (!resized && (force_reply || ((!user && moved) || (user && final))))
2208         {
2209             XEvent event;
2210             event.type = ConfigureNotify;
2211             event.xconfigure.display = ob_display;
2212             event.xconfigure.event = self->window;
2213             event.xconfigure.window = self->window;
2214
2215             /* root window real coords */
2216             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
2217                 self->border_width;
2218             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
2219                 self->border_width;
2220             event.xconfigure.width = w;
2221             event.xconfigure.height = h;
2222             event.xconfigure.border_width = 0;
2223             event.xconfigure.above = self->frame->plate;
2224             event.xconfigure.override_redirect = FALSE;
2225             XSendEvent(event.xconfigure.display, event.xconfigure.window,
2226                        FALSE, StructureNotifyMask, &event);
2227         }
2228     }
2229
2230     /* if the client is shrinking, then resize the frame before the client */
2231     if (send_resize_client && (!user || (w <= oldw || h <= oldh)))
2232         XResizeWindow(ob_display, self->window, w, h);
2233
2234     XFlush(ob_display);
2235 }
2236
2237 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
2238 {
2239     gint x, y, w, h;
2240
2241     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2242         self->fullscreen == fs) return;                   /* already done */
2243
2244     self->fullscreen = fs;
2245     client_change_state(self); /* change the state hints on the client,
2246                                   and adjust out layer/stacking */
2247
2248     if (fs) {
2249         if (savearea)
2250             self->pre_fullscreen_area = self->area;
2251
2252         /* these are not actually used cuz client_configure will set them
2253            as appropriate when the window is fullscreened */
2254         x = y = w = h = 0;
2255     } else {
2256         Rect *a;
2257
2258         if (self->pre_fullscreen_area.width > 0 &&
2259             self->pre_fullscreen_area.height > 0)
2260         {
2261             x = self->pre_fullscreen_area.x;
2262             y = self->pre_fullscreen_area.y;
2263             w = self->pre_fullscreen_area.width;
2264             h = self->pre_fullscreen_area.height;
2265             RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2266         } else {
2267             /* pick some fallbacks... */
2268             a = screen_area_monitor(self->desktop, 0);
2269             x = a->x + a->width / 4;
2270             y = a->y + a->height / 4;
2271             w = a->width / 2;
2272             h = a->height / 2;
2273         }
2274     }
2275
2276     client_setup_decor_and_functions(self);
2277
2278     client_move_resize(self, x, y, w, h);
2279
2280     /* try focus us when we go into fullscreen mode */
2281     client_focus(self);
2282 }
2283
2284 static void client_iconify_recursive(ObClient *self,
2285                                      gboolean iconic, gboolean curdesk)
2286 {
2287     GSList *it;
2288     gboolean changed = FALSE;
2289
2290
2291     if (self->iconic != iconic) {
2292         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2293                  self->window);
2294
2295         self->iconic = iconic;
2296
2297         if (iconic) {
2298             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2299                 glong old;
2300
2301                 old = self->wmstate;
2302                 self->wmstate = IconicState;
2303                 if (old != self->wmstate)
2304                     PROP_MSG(self->window, kde_wm_change_state,
2305                              self->wmstate, 1, 0, 0);
2306
2307                 /* update the focus lists.. iconic windows go to the bottom of
2308                    the list, put the new iconic window at the 'top of the
2309                    bottom'. */
2310                 focus_order_to_top(self);
2311
2312                 changed = TRUE;
2313             }
2314         } else {
2315             glong old;
2316
2317             if (curdesk)
2318                 client_set_desktop(self, screen_desktop, FALSE);
2319
2320             old = self->wmstate;
2321             self->wmstate = self->shaded ? IconicState : NormalState;
2322             if (old != self->wmstate)
2323                 PROP_MSG(self->window, kde_wm_change_state,
2324                          self->wmstate, 1, 0, 0);
2325
2326             /* this puts it after the current focused window */
2327             focus_order_remove(self);
2328             focus_order_add_new(self);
2329
2330             changed = TRUE;
2331         }
2332     }
2333
2334     if (changed) {
2335         client_change_state(self);
2336         client_showhide(self);
2337         screen_update_areas();
2338     }
2339
2340     /* iconify all transients */
2341     for (it = self->transients; it; it = g_slist_next(it))
2342         if (it->data != self) client_iconify_recursive(it->data,
2343                                                        iconic, curdesk);
2344 }
2345
2346 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2347 {
2348     /* move up the transient chain as far as possible first */
2349     self = client_search_top_transient(self);
2350
2351     client_iconify_recursive(client_search_top_transient(self),
2352                              iconic, curdesk);
2353 }
2354
2355 void client_maximize(ObClient *self, gboolean max, gint dir, gboolean savearea)
2356 {
2357     gint x, y, w, h;
2358
2359     g_assert(dir == 0 || dir == 1 || dir == 2);
2360     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2361
2362     /* check if already done */
2363     if (max) {
2364         if (dir == 0 && self->max_horz && self->max_vert) return;
2365         if (dir == 1 && self->max_horz) return;
2366         if (dir == 2 && self->max_vert) return;
2367     } else {
2368         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2369         if (dir == 1 && !self->max_horz) return;
2370         if (dir == 2 && !self->max_vert) return;
2371     }
2372
2373     /* we just tell it to configure in the same place and client_configure
2374        worries about filling the screen with the window */
2375     x = self->area.x;
2376     y = self->area.y;
2377     w = self->area.width;
2378     h = self->area.height;
2379
2380     if (max) {
2381         if (savearea) {
2382             if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2383                 RECT_SET(self->pre_max_area,
2384                          self->area.x, self->pre_max_area.y,
2385                          self->area.width, self->pre_max_area.height);
2386             }
2387             if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2388                 RECT_SET(self->pre_max_area,
2389                          self->pre_max_area.x, self->area.y,
2390                          self->pre_max_area.width, self->area.height);
2391             }
2392         }
2393     } else {
2394         Rect *a;
2395
2396         a = screen_area_monitor(self->desktop, 0);
2397         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2398             if (self->pre_max_area.width > 0) {
2399                 x = self->pre_max_area.x;
2400                 w = self->pre_max_area.width;
2401
2402                 RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2403                          0, self->pre_max_area.height);
2404             } else {
2405                 /* pick some fallbacks... */
2406                 x = a->x + a->width / 4;
2407                 w = a->width / 2;
2408             }
2409         }
2410         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2411             if (self->pre_max_area.height > 0) {
2412                 y = self->pre_max_area.y;
2413                 h = self->pre_max_area.height;
2414
2415                 RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2416                          self->pre_max_area.width, 0);
2417             } else {
2418                 /* pick some fallbacks... */
2419                 y = a->y + a->height / 4;
2420                 h = a->height / 2;
2421             }
2422         }
2423     }
2424
2425     if (dir == 0 || dir == 1) /* horz */
2426         self->max_horz = max;
2427     if (dir == 0 || dir == 2) /* vert */
2428         self->max_vert = max;
2429
2430     client_change_state(self); /* change the state hints on the client */
2431
2432     client_setup_decor_and_functions(self);
2433
2434     client_move_resize(self, x, y, w, h);
2435 }
2436
2437 void client_shade(ObClient *self, gboolean shade)
2438 {
2439     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2440          shade) ||                         /* can't shade */
2441         self->shaded == shade) return;     /* already done */
2442
2443     /* when we're iconic, don't change the wmstate */
2444     if (!self->iconic) {
2445         glong old;
2446
2447         old = self->wmstate;
2448         self->wmstate = shade ? IconicState : NormalState;
2449         if (old != self->wmstate)
2450             PROP_MSG(self->window, kde_wm_change_state,
2451                      self->wmstate, 1, 0, 0);
2452     }
2453
2454     self->shaded = shade;
2455     client_change_state(self);
2456     /* resize the frame to just the titlebar */
2457     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2458 }
2459
2460 void client_close(ObClient *self)
2461 {
2462     XEvent ce;
2463
2464     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2465
2466     /* in the case that the client provides no means to requesting that it
2467        close, we just kill it */
2468     if (!self->delete_window)
2469         client_kill(self);
2470
2471     /*
2472       XXX: itd be cool to do timeouts and shit here for killing the client's
2473       process off
2474       like... if the window is around after 5 seconds, then the close button
2475       turns a nice red, and if this function is called again, the client is
2476       explicitly killed.
2477     */
2478
2479     ce.xclient.type = ClientMessage;
2480     ce.xclient.message_type =  prop_atoms.wm_protocols;
2481     ce.xclient.display = ob_display;
2482     ce.xclient.window = self->window;
2483     ce.xclient.format = 32;
2484     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2485     ce.xclient.data.l[1] = event_lasttime;
2486     ce.xclient.data.l[2] = 0l;
2487     ce.xclient.data.l[3] = 0l;
2488     ce.xclient.data.l[4] = 0l;
2489     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2490 }
2491
2492 void client_kill(ObClient *self)
2493 {
2494     XKillClient(ob_display, self->window);
2495 }
2496
2497 void client_set_desktop_recursive(ObClient *self,
2498                                   guint target, gboolean donthide)
2499 {
2500     guint old;
2501     GSList *it;
2502
2503     if (target != self->desktop) {
2504
2505         ob_debug("Setting desktop %u\n", target+1);
2506
2507         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2508
2509         /* remove from the old desktop(s) */
2510         focus_order_remove(self);
2511
2512         old = self->desktop;
2513         self->desktop = target;
2514         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2515         /* the frame can display the current desktop state */
2516         frame_adjust_state(self->frame);
2517         /* 'move' the window to the new desktop */
2518         if (!donthide)
2519             client_showhide(self);
2520         /* raise if it was not already on the desktop */
2521         if (old != DESKTOP_ALL)
2522             client_raise(self);
2523         screen_update_areas();
2524
2525         /* add to the new desktop(s) */
2526         if (config_focus_new)
2527             focus_order_to_top(self);
2528         else
2529             focus_order_to_bottom(self);
2530     }
2531
2532     /* move all transients */
2533     for (it = self->transients; it; it = g_slist_next(it))
2534         if (it->data != self) client_set_desktop_recursive(it->data,
2535                                                            target, donthide);
2536 }
2537
2538 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2539 {
2540     client_set_desktop_recursive(client_search_top_transient(self),
2541                                  target, donthide);
2542 }
2543
2544 ObClient *client_search_modal_child(ObClient *self)
2545 {
2546     GSList *it;
2547     ObClient *ret;
2548
2549     for (it = self->transients; it; it = g_slist_next(it)) {
2550         ObClient *c = it->data;
2551         if ((ret = client_search_modal_child(c))) return ret;
2552         if (c->modal) return c;
2553     }
2554     return NULL;
2555 }
2556
2557 gboolean client_validate(ObClient *self)
2558 {
2559     XEvent e;
2560
2561     XSync(ob_display, FALSE); /* get all events on the server */
2562
2563     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2564         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2565         XPutBackEvent(ob_display, &e);
2566         return FALSE;
2567     }
2568
2569     return TRUE;
2570 }
2571
2572 void client_set_wm_state(ObClient *self, glong state)
2573 {
2574     if (state == self->wmstate) return; /* no change */
2575
2576     switch (state) {
2577     case IconicState:
2578         client_iconify(self, TRUE, TRUE);
2579         break;
2580     case NormalState:
2581         client_iconify(self, FALSE, TRUE);
2582         break;
2583     }
2584 }
2585
2586 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
2587 {
2588     gboolean shaded = self->shaded;
2589     gboolean fullscreen = self->fullscreen;
2590     gboolean undecorated = self->undecorated;
2591     gboolean max_horz = self->max_horz;
2592     gboolean max_vert = self->max_vert;
2593     gboolean modal = self->modal;
2594     gboolean iconic = self->iconic;
2595     gint i;
2596
2597     if (!(action == prop_atoms.net_wm_state_add ||
2598           action == prop_atoms.net_wm_state_remove ||
2599           action == prop_atoms.net_wm_state_toggle))
2600         /* an invalid action was passed to the client message, ignore it */
2601         return;
2602
2603     for (i = 0; i < 2; ++i) {
2604         Atom state = i == 0 ? data1 : data2;
2605
2606         if (!state) continue;
2607
2608         /* if toggling, then pick whether we're adding or removing */
2609         if (action == prop_atoms.net_wm_state_toggle) {
2610             if (state == prop_atoms.net_wm_state_modal)
2611                 action = modal ? prop_atoms.net_wm_state_remove :
2612                     prop_atoms.net_wm_state_add;
2613             else if (state == prop_atoms.net_wm_state_maximized_vert)
2614                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2615                     prop_atoms.net_wm_state_add;
2616             else if (state == prop_atoms.net_wm_state_maximized_horz)
2617                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2618                     prop_atoms.net_wm_state_add;
2619             else if (state == prop_atoms.net_wm_state_shaded)
2620                 action = shaded ? prop_atoms.net_wm_state_remove :
2621                     prop_atoms.net_wm_state_add;
2622             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2623                 action = self->skip_taskbar ?
2624                     prop_atoms.net_wm_state_remove :
2625                     prop_atoms.net_wm_state_add;
2626             else if (state == prop_atoms.net_wm_state_skip_pager)
2627                 action = self->skip_pager ?
2628                     prop_atoms.net_wm_state_remove :
2629                     prop_atoms.net_wm_state_add;
2630             else if (state == prop_atoms.net_wm_state_hidden)
2631                 action = self->iconic ?
2632                     prop_atoms.net_wm_state_remove :
2633                     prop_atoms.net_wm_state_add;
2634             else if (state == prop_atoms.net_wm_state_fullscreen)
2635                 action = fullscreen ?
2636                     prop_atoms.net_wm_state_remove :
2637                     prop_atoms.net_wm_state_add;
2638             else if (state == prop_atoms.net_wm_state_above)
2639                 action = self->above ? prop_atoms.net_wm_state_remove :
2640                     prop_atoms.net_wm_state_add;
2641             else if (state == prop_atoms.net_wm_state_below)
2642                 action = self->below ? prop_atoms.net_wm_state_remove :
2643                     prop_atoms.net_wm_state_add;
2644             else if (state == prop_atoms.ob_wm_state_undecorated)
2645                 action = undecorated ? prop_atoms.net_wm_state_remove :
2646                     prop_atoms.net_wm_state_add;
2647         }
2648
2649         if (action == prop_atoms.net_wm_state_add) {
2650             if (state == prop_atoms.net_wm_state_modal) {
2651                 modal = TRUE;
2652             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2653                 max_vert = TRUE;
2654             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2655                 max_horz = TRUE;
2656             } else if (state == prop_atoms.net_wm_state_shaded) {
2657                 shaded = TRUE;
2658             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2659                 self->skip_taskbar = TRUE;
2660             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2661                 self->skip_pager = TRUE;
2662             } else if (state == prop_atoms.net_wm_state_hidden) {
2663                 iconic = TRUE;
2664             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2665                 fullscreen = TRUE;
2666             } else if (state == prop_atoms.net_wm_state_above) {
2667                 self->above = TRUE;
2668                 self->below = FALSE;
2669             } else if (state == prop_atoms.net_wm_state_below) {
2670                 self->above = FALSE;
2671                 self->below = TRUE;
2672             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2673                 undecorated = TRUE;
2674             }
2675
2676         } else { /* action == prop_atoms.net_wm_state_remove */
2677             if (state == prop_atoms.net_wm_state_modal) {
2678                 modal = FALSE;
2679             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2680                 max_vert = FALSE;
2681             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2682                 max_horz = FALSE;
2683             } else if (state == prop_atoms.net_wm_state_shaded) {
2684                 shaded = FALSE;
2685             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2686                 self->skip_taskbar = FALSE;
2687             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2688                 self->skip_pager = FALSE;
2689             } else if (state == prop_atoms.net_wm_state_hidden) {
2690                 iconic = FALSE;
2691             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2692                 fullscreen = FALSE;
2693             } else if (state == prop_atoms.net_wm_state_above) {
2694                 self->above = FALSE;
2695             } else if (state == prop_atoms.net_wm_state_below) {
2696                 self->below = FALSE;
2697             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2698                 undecorated = FALSE;
2699             }
2700         }
2701     }
2702     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2703         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2704             /* toggling both */
2705             if (max_horz == max_vert) { /* both going the same way */
2706                 client_maximize(self, max_horz, 0, TRUE);
2707             } else {
2708                 client_maximize(self, max_horz, 1, TRUE);
2709                 client_maximize(self, max_vert, 2, TRUE);
2710             }
2711         } else {
2712             /* toggling one */
2713             if (max_horz != self->max_horz)
2714                 client_maximize(self, max_horz, 1, TRUE);
2715             else
2716                 client_maximize(self, max_vert, 2, TRUE);
2717         }
2718     }
2719     /* change fullscreen state before shading, as it will affect if the window
2720        can shade or not */
2721     if (fullscreen != self->fullscreen)
2722         client_fullscreen(self, fullscreen, TRUE);
2723     if (shaded != self->shaded)
2724         client_shade(self, shaded);
2725     if (undecorated != self->undecorated)
2726         client_set_undecorated(self, undecorated);
2727     if (modal != self->modal) {
2728         self->modal = modal;
2729         /* when a window changes modality, then its stacking order with its
2730            transients needs to change */
2731         client_raise(self);
2732     }
2733     if (iconic != self->iconic)
2734         client_iconify(self, iconic, FALSE);
2735
2736     client_calc_layer(self);
2737     client_change_state(self); /* change the hint to reflect these changes */
2738 }
2739
2740 ObClient *client_focus_target(ObClient *self)
2741 {
2742     ObClient *child;
2743
2744     /* if we have a modal child, then focus it, not us */
2745     child = client_search_modal_child(client_search_top_transient(self));
2746     if (child) return child;
2747     return self;
2748 }
2749
2750 gboolean client_can_focus(ObClient *self)
2751 {
2752     XEvent ev;
2753
2754     /* choose the correct target */
2755     self = client_focus_target(self);
2756
2757     if (!self->frame->visible)
2758         return FALSE;
2759
2760     if (!(self->can_focus || self->focus_notify))
2761         return FALSE;
2762
2763     /* do a check to see if the window has already been unmapped or destroyed
2764        do this intelligently while watching out for unmaps we've generated
2765        (ignore_unmaps > 0) */
2766     if (XCheckTypedWindowEvent(ob_display, self->window,
2767                                DestroyNotify, &ev)) {
2768         XPutBackEvent(ob_display, &ev);
2769         return FALSE;
2770     }
2771     while (XCheckTypedWindowEvent(ob_display, self->window,
2772                                   UnmapNotify, &ev)) {
2773         if (self->ignore_unmaps) {
2774             self->ignore_unmaps--;
2775         } else {
2776             XPutBackEvent(ob_display, &ev);
2777             return FALSE;
2778         }
2779     }
2780
2781     return TRUE;
2782 }
2783
2784 gboolean client_focus(ObClient *self)
2785 {
2786     /* choose the correct target */
2787     self = client_focus_target(self);
2788
2789     if (!client_can_focus(self)) {
2790         if (!self->frame->visible) {
2791             /* update the focus lists */
2792             focus_order_to_top(self);
2793         }
2794         return FALSE;
2795     }
2796
2797     if (self->can_focus) {
2798         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2799            I choose to use it always, hopefully to find errors quicker, if any
2800            are left. (I hate X. I hate focus events.)
2801
2802            Update: Changing this to RevertToNone fixed a bug with mozilla (bug
2803            #799. So now it is RevertToNone again.
2804         */
2805         XSetInputFocus(ob_display, self->window, RevertToNone,
2806                        event_lasttime);
2807     }
2808
2809     if (self->focus_notify) {
2810         XEvent ce;
2811         ce.xclient.type = ClientMessage;
2812         ce.xclient.message_type = prop_atoms.wm_protocols;
2813         ce.xclient.display = ob_display;
2814         ce.xclient.window = self->window;
2815         ce.xclient.format = 32;
2816         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2817         ce.xclient.data.l[1] = event_lasttime;
2818         ce.xclient.data.l[2] = 0l;
2819         ce.xclient.data.l[3] = 0l;
2820         ce.xclient.data.l[4] = 0l;
2821         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2822     }
2823
2824 #ifdef DEBUG_FOCUS
2825     ob_debug("%sively focusing %lx at %d\n",
2826              (self->can_focus ? "act" : "pass"),
2827              self->window, (gint) event_lasttime);
2828 #endif
2829
2830     /* Cause the FocusIn to come back to us. Important for desktop switches,
2831        since otherwise we'll have no FocusIn on the queue and send it off to
2832        the focus_backup. */
2833     XSync(ob_display, FALSE);
2834     return TRUE;
2835 }
2836
2837 /* Used when the current client is closed, focus_last will then prevent
2838  * focus from going to the mouse pointer */
2839 void client_unfocus(ObClient *self)
2840 {
2841     if (focus_client == self) {
2842 #ifdef DEBUG_FOCUS
2843         ob_debug("client_unfocus for %lx\n", self->window);
2844 #endif
2845         focus_fallback(OB_FOCUS_FALLBACK_CLOSED);
2846     }
2847 }
2848
2849 void client_activate(ObClient *self, gboolean here)
2850 {
2851     /* This check is for the client_list_menu trying to activate
2852      * a closed client. */
2853     if (!g_list_find(client_list, self)) return;
2854     if (client_normal(self) && screen_showing_desktop)
2855         screen_show_desktop(FALSE);
2856     if (self->iconic)
2857         client_iconify(self, FALSE, here);
2858     if (self->desktop != DESKTOP_ALL &&
2859         self->desktop != screen_desktop) {
2860         if (here)
2861             client_set_desktop(self, screen_desktop, FALSE);
2862         else
2863             screen_set_desktop(self->desktop);
2864     } else if (!self->frame->visible)
2865         /* if its not visible for other reasons, then don't mess
2866            with it */
2867         return;
2868     if (self->shaded)
2869         client_shade(self, FALSE);
2870
2871     client_focus(self);
2872
2873     /* we do this an action here. this is rather important. this is because
2874        we want the results from the focus change to take place BEFORE we go
2875        about raising the window. when a fullscreen window loses focus, we need
2876        this or else the raise wont be able to raise above the to-lose-focus
2877        fullscreen window. */
2878     client_raise(self);
2879 }
2880
2881 void client_raise(ObClient *self)
2882 {
2883     action_run_string("Raise", self);
2884 }
2885
2886 void client_lower(ObClient *self)
2887 {
2888     action_run_string("Lower", self);
2889 }
2890
2891 gboolean client_focused(ObClient *self)
2892 {
2893     return self == focus_client;
2894 }
2895
2896 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
2897 {
2898     guint i;
2899     /* si is the smallest image >= req */
2900     /* li is the largest image < req */
2901     gulong size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2902
2903     if (!self->nicons) {
2904         ObClientIcon *parent = NULL;
2905
2906         if (self->transient_for) {
2907             if (self->transient_for != OB_TRAN_GROUP)
2908                 parent = client_icon_recursive(self->transient_for, w, h);
2909             else {
2910                 GSList *it;
2911                 for (it = self->group->members; it; it = g_slist_next(it)) {
2912                     ObClient *c = it->data;
2913                     if (c != self && !c->transient_for) {
2914                         if ((parent = client_icon_recursive(c, w, h)))
2915                             break;
2916                     }
2917                 }
2918             }
2919         }
2920
2921         return parent;
2922     }
2923
2924     for (i = 0; i < self->nicons; ++i) {
2925         size = self->icons[i].width * self->icons[i].height;
2926         if (size < smallest && size >= (unsigned)(w * h)) {
2927             smallest = size;
2928             si = i;
2929         }
2930         if (size > largest && size <= (unsigned)(w * h)) {
2931             largest = size;
2932             li = i;
2933         }
2934     }
2935     if (largest == 0) /* didnt find one smaller than the requested size */
2936         return &self->icons[si];
2937     return &self->icons[li];
2938 }
2939
2940 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
2941 {
2942     ObClientIcon *ret;
2943     static ObClientIcon deficon;
2944
2945     if (!(ret = client_icon_recursive(self, w, h))) {
2946         deficon.width = deficon.height = 48;
2947         deficon.data = ob_rr_theme->def_win_icon;
2948         ret = &deficon;
2949     }
2950     return ret;
2951 }
2952
2953 /* this be mostly ripped from fvwm */
2954 ObClient *client_find_directional(ObClient *c, ObDirection dir)
2955 {
2956     gint my_cx, my_cy, his_cx, his_cy;
2957     gint offset = 0;
2958     gint distance = 0;
2959     gint score, best_score;
2960     ObClient *best_client, *cur;
2961     GList *it;
2962
2963     if(!client_list)
2964         return NULL;
2965
2966     /* first, find the centre coords of the currently focused window */
2967     my_cx = c->frame->area.x + c->frame->area.width / 2;
2968     my_cy = c->frame->area.y + c->frame->area.height / 2;
2969
2970     best_score = -1;
2971     best_client = NULL;
2972
2973     for(it = g_list_first(client_list); it; it = g_list_next(it)) {
2974         cur = it->data;
2975
2976         /* the currently selected window isn't interesting */
2977         if(cur == c)
2978             continue;
2979         if (!client_normal(cur))
2980             continue;
2981         /* using c->desktop instead of screen_desktop doesn't work if the
2982          * current window was omnipresent, hope this doesn't have any other
2983          * side effects */
2984         if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2985             continue;
2986         if(cur->iconic)
2987             continue;
2988         if(client_focus_target(cur) == cur &&
2989            !(cur->can_focus || cur->focus_notify))
2990             continue;
2991
2992         /* find the centre coords of this window, from the
2993          * currently focused window's point of view */
2994         his_cx = (cur->frame->area.x - my_cx)
2995             + cur->frame->area.width / 2;
2996         his_cy = (cur->frame->area.y - my_cy)
2997             + cur->frame->area.height / 2;
2998
2999         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
3000            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
3001             gint tx;
3002             /* Rotate the diagonals 45 degrees counterclockwise.
3003              * To do this, multiply the matrix /+h +h\ with the
3004              * vector (x y).                   \-h +h/
3005              * h = sqrt(0.5). We can set h := 1 since absolute
3006              * distance doesn't matter here. */
3007             tx = his_cx + his_cy;
3008             his_cy = -his_cx + his_cy;
3009             his_cx = tx;
3010         }
3011
3012         switch(dir) {
3013         case OB_DIRECTION_NORTH:
3014         case OB_DIRECTION_SOUTH:
3015         case OB_DIRECTION_NORTHEAST:
3016         case OB_DIRECTION_SOUTHWEST:
3017             offset = (his_cx < 0) ? -his_cx : his_cx;
3018             distance = ((dir == OB_DIRECTION_NORTH ||
3019                          dir == OB_DIRECTION_NORTHEAST) ?
3020                         -his_cy : his_cy);
3021             break;
3022         case OB_DIRECTION_EAST:
3023         case OB_DIRECTION_WEST:
3024         case OB_DIRECTION_SOUTHEAST:
3025         case OB_DIRECTION_NORTHWEST:
3026             offset = (his_cy < 0) ? -his_cy : his_cy;
3027             distance = ((dir == OB_DIRECTION_WEST ||
3028                          dir == OB_DIRECTION_NORTHWEST) ?
3029                         -his_cx : his_cx);
3030             break;
3031         }
3032
3033         /* the target must be in the requested direction */
3034         if(distance <= 0)
3035             continue;
3036
3037         /* Calculate score for this window.  The smaller the better. */
3038         score = distance + offset;
3039
3040         /* windows more than 45 degrees off the direction are
3041          * heavily penalized and will only be chosen if nothing
3042          * else within a million pixels */
3043         if(offset > distance)
3044             score += 1000000;
3045
3046         if(best_score == -1 || score < best_score)
3047             best_client = cur,
3048                 best_score = score;
3049     }
3050
3051     return best_client;
3052 }
3053
3054 void client_set_layer(ObClient *self, gint layer)
3055 {
3056     if (layer < 0) {
3057         self->below = TRUE;
3058         self->above = FALSE;
3059     } else if (layer == 0) {
3060         self->below = self->above = FALSE;
3061     } else {
3062         self->below = FALSE;
3063         self->above = TRUE;
3064     }
3065     client_calc_layer(self);
3066     client_change_state(self); /* reflect this in the state hints */
3067 }
3068
3069 void client_set_undecorated(ObClient *self, gboolean undecorated)
3070 {
3071     if (self->undecorated != undecorated) {
3072         self->undecorated = undecorated;
3073         client_setup_decor_and_functions(self);
3074         /* Make sure the client knows it might have moved. Maybe there is a
3075          * better way of doing this so only one client_configure is sent, but
3076          * since 125 of these are sent per second when moving the window (with
3077          * user = FALSE) i doubt it matters much.
3078          */
3079         client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
3080                          self->area.width, self->area.height, TRUE, TRUE);
3081         client_change_state(self); /* reflect this in the state hints */
3082     }
3083 }
3084
3085 /* Determines which physical monitor a client is on by calculating the
3086    area of the part of the client on each monitor.  The number of the
3087    monitor containing the greatest area of the client is returned.*/
3088 guint client_monitor(ObClient *self)
3089 {
3090     guint i;
3091     guint most = 0;
3092     guint mostv = 0;
3093
3094     for (i = 0; i < screen_num_monitors; ++i) {
3095         Rect *area = screen_physical_area_monitor(i);
3096         if (RECT_INTERSECTS_RECT(*area, self->frame->area)) {
3097             Rect r;
3098             guint v;
3099
3100             RECT_SET_INTERSECTION(r, *area, self->frame->area);
3101             v = r.width * r.height;
3102
3103             if (v > mostv) {
3104                 mostv = v;
3105                 most = i;
3106             }
3107         }
3108     }
3109     return most;
3110 }
3111
3112 ObClient *client_search_top_transient(ObClient *self)
3113 {
3114     /* move up the transient chain as far as possible */
3115     if (self->transient_for) {
3116         if (self->transient_for != OB_TRAN_GROUP) {
3117             return client_search_top_transient(self->transient_for);
3118         } else {
3119             GSList *it;
3120
3121             g_assert(self->group);
3122
3123             for (it = self->group->members; it; it = g_slist_next(it)) {
3124                 ObClient *c = it->data;
3125
3126                 /* checking transient_for prevents infinate loops! */
3127                 if (c != self && !c->transient_for)
3128                     break;
3129             }
3130             if (it)
3131                 return it->data;
3132         }
3133     }
3134
3135     return self;
3136 }
3137
3138 ObClient *client_search_focus_parent(ObClient *self)
3139 {
3140     if (self->transient_for) {
3141         if (self->transient_for != OB_TRAN_GROUP) {
3142             if (client_focused(self->transient_for))
3143                 return self->transient_for;
3144         } else {
3145             GSList *it;
3146
3147             for (it = self->group->members; it; it = g_slist_next(it)) {
3148                 ObClient *c = it->data;
3149
3150                 /* checking transient_for prevents infinate loops! */
3151                 if (c != self && !c->transient_for)
3152                     if (client_focused(c))
3153                         return c;
3154             }
3155         }
3156     }
3157
3158     return NULL;
3159 }
3160
3161 ObClient *client_search_parent(ObClient *self, ObClient *search)
3162 {
3163     if (self->transient_for) {
3164         if (self->transient_for != OB_TRAN_GROUP) {
3165             if (self->transient_for == search)
3166                 return search;
3167         } else {
3168             GSList *it;
3169
3170             for (it = self->group->members; it; it = g_slist_next(it)) {
3171                 ObClient *c = it->data;
3172
3173                 /* checking transient_for prevents infinate loops! */
3174                 if (c != self && !c->transient_for)
3175                     if (c == search)
3176                         return search;
3177             }
3178         }
3179     }
3180
3181     return NULL;
3182 }
3183
3184 ObClient *client_search_transient(ObClient *self, ObClient *search)
3185 {
3186     GSList *sit;
3187
3188     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3189         if (sit->data == search)
3190             return search;
3191         if (client_search_transient(sit->data, search))
3192             return search;
3193     }
3194     return NULL;
3195 }
3196
3197 void client_update_sm_client_id(ObClient *self)
3198 {
3199     g_free(self->sm_client_id);
3200     self->sm_client_id = NULL;
3201
3202     if (!PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id) &&
3203         self->group)
3204         PROP_GETS(self->group->leader, sm_client_id, locale,
3205                   &self->sm_client_id);
3206 }
3207
3208 /* finds the nearest edge in the given direction from the current client
3209  * note to self: the edge is the -frame- edge (the actual one), not the
3210  * client edge.
3211  */
3212 gint client_directional_edge_search(ObClient *c, ObDirection dir)
3213 {
3214     gint dest, monitor_dest;
3215     gint my_edge_start, my_edge_end, my_offset;
3216     GList *it;
3217     Rect *a, *monitor;
3218
3219     if(!client_list)
3220         return -1;
3221
3222     a = screen_area(c->desktop);
3223     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3224
3225     switch(dir) {
3226     case OB_DIRECTION_NORTH:
3227         my_edge_start = c->frame->area.x;
3228         my_edge_end = c->frame->area.x + c->frame->area.width;
3229         my_offset = c->frame->area.y;
3230
3231         /* default: top of screen */
3232         dest = a->y;
3233         monitor_dest = monitor->y;
3234         /* if the monitor edge comes before the screen edge, */
3235         /* use that as the destination instead. (For xinerama) */
3236         if (monitor_dest != dest && my_offset > monitor_dest)
3237             dest = monitor_dest;
3238
3239         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3240             gint his_edge_start, his_edge_end, his_offset;
3241             ObClient *cur = it->data;
3242
3243             if(cur == c)
3244                 continue;
3245             if(!client_normal(cur))
3246                 continue;
3247             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3248                 continue;
3249             if(cur->iconic)
3250                 continue;
3251             if(cur->layer < c->layer && !config_resist_layers_below)
3252                 continue;
3253
3254             his_edge_start = cur->frame->area.x;
3255             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3256             his_offset = cur->frame->area.y + cur->frame->area.height;
3257
3258             if(his_offset + 1 > my_offset)
3259                 continue;
3260
3261             if(his_offset < dest)
3262                 continue;
3263
3264             if(his_edge_start >= my_edge_start &&
3265                his_edge_start <= my_edge_end)
3266                 dest = his_offset;
3267
3268             if(my_edge_start >= his_edge_start &&
3269                my_edge_start <= his_edge_end)
3270                 dest = his_offset;
3271
3272         }
3273         break;
3274     case OB_DIRECTION_SOUTH:
3275         my_edge_start = c->frame->area.x;
3276         my_edge_end = c->frame->area.x + c->frame->area.width;
3277         my_offset = c->frame->area.y + c->frame->area.height;
3278
3279         /* default: bottom of screen */
3280         dest = a->y + a->height;
3281         monitor_dest = monitor->y + monitor->height;
3282         /* if the monitor edge comes before the screen edge, */
3283         /* use that as the destination instead. (For xinerama) */
3284         if (monitor_dest != dest && my_offset < monitor_dest)
3285             dest = monitor_dest;
3286
3287         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3288             gint his_edge_start, his_edge_end, his_offset;
3289             ObClient *cur = it->data;
3290
3291             if(cur == c)
3292                 continue;
3293             if(!client_normal(cur))
3294                 continue;
3295             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3296                 continue;
3297             if(cur->iconic)
3298                 continue;
3299             if(cur->layer < c->layer && !config_resist_layers_below)
3300                 continue;
3301
3302             his_edge_start = cur->frame->area.x;
3303             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3304             his_offset = cur->frame->area.y;
3305
3306
3307             if(his_offset - 1 < my_offset)
3308                 continue;
3309
3310             if(his_offset > dest)
3311                 continue;
3312
3313             if(his_edge_start >= my_edge_start &&
3314                his_edge_start <= my_edge_end)
3315                 dest = his_offset;
3316
3317             if(my_edge_start >= his_edge_start &&
3318                my_edge_start <= his_edge_end)
3319                 dest = his_offset;
3320
3321         }
3322         break;
3323     case OB_DIRECTION_WEST:
3324         my_edge_start = c->frame->area.y;
3325         my_edge_end = c->frame->area.y + c->frame->area.height;
3326         my_offset = c->frame->area.x;
3327
3328         /* default: leftmost egde of screen */
3329         dest = a->x;
3330         monitor_dest = monitor->x;
3331         /* if the monitor edge comes before the screen edge, */
3332         /* use that as the destination instead. (For xinerama) */
3333         if (monitor_dest != dest && my_offset > monitor_dest)
3334             dest = monitor_dest;
3335
3336         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3337             gint his_edge_start, his_edge_end, his_offset;
3338             ObClient *cur = it->data;
3339
3340             if(cur == c)
3341                 continue;
3342             if(!client_normal(cur))
3343                 continue;
3344             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3345                 continue;
3346             if(cur->iconic)
3347                 continue;
3348             if(cur->layer < c->layer && !config_resist_layers_below)
3349                 continue;
3350
3351             his_edge_start = cur->frame->area.y;
3352             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3353             his_offset = cur->frame->area.x + cur->frame->area.width;
3354
3355             if(his_offset + 1 > my_offset)
3356                 continue;
3357
3358             if(his_offset < dest)
3359                 continue;
3360
3361             if(his_edge_start >= my_edge_start &&
3362                his_edge_start <= my_edge_end)
3363                 dest = his_offset;
3364
3365             if(my_edge_start >= his_edge_start &&
3366                my_edge_start <= his_edge_end)
3367                 dest = his_offset;
3368
3369
3370         }
3371         break;
3372     case OB_DIRECTION_EAST:
3373         my_edge_start = c->frame->area.y;
3374         my_edge_end = c->frame->area.y + c->frame->area.height;
3375         my_offset = c->frame->area.x + c->frame->area.width;
3376
3377         /* default: rightmost edge of screen */
3378         dest = a->x + a->width;
3379         monitor_dest = monitor->x + monitor->width;
3380         /* if the monitor edge comes before the screen edge, */
3381         /* use that as the destination instead. (For xinerama) */
3382         if (monitor_dest != dest && my_offset < monitor_dest)
3383             dest = monitor_dest;
3384
3385         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3386             gint his_edge_start, his_edge_end, his_offset;
3387             ObClient *cur = it->data;
3388
3389             if(cur == c)
3390                 continue;
3391             if(!client_normal(cur))
3392                 continue;
3393             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
3394                 continue;
3395             if(cur->iconic)
3396                 continue;
3397             if(cur->layer < c->layer && !config_resist_layers_below)
3398                 continue;
3399
3400             his_edge_start = cur->frame->area.y;
3401             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3402             his_offset = cur->frame->area.x;
3403
3404             if(his_offset - 1 < my_offset)
3405                 continue;
3406
3407             if(his_offset > dest)
3408                 continue;
3409
3410             if(his_edge_start >= my_edge_start &&
3411                his_edge_start <= my_edge_end)
3412                 dest = his_offset;
3413
3414             if(my_edge_start >= his_edge_start &&
3415                my_edge_start <= his_edge_end)
3416                 dest = his_offset;
3417
3418         }
3419         break;
3420     case OB_DIRECTION_NORTHEAST:
3421     case OB_DIRECTION_SOUTHEAST:
3422     case OB_DIRECTION_NORTHWEST:
3423     case OB_DIRECTION_SOUTHWEST:
3424         /* not implemented */
3425     default:
3426         g_assert_not_reached();
3427         dest = 0; /* suppress warning */
3428     }
3429     return dest;
3430 }
3431
3432 ObClient* client_under_pointer()
3433 {
3434     gint x, y;
3435     GList *it;
3436     ObClient *ret = NULL;
3437
3438     if (screen_pointer_pos(&x, &y)) {
3439         for (it = stacking_list; it; it = g_list_next(it)) {
3440             if (WINDOW_IS_CLIENT(it->data)) {
3441                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3442                 if (c->frame->visible &&
3443                     RECT_CONTAINS(c->frame->area, x, y)) {
3444                     ret = c;
3445                     break;
3446                 }
3447             }
3448         }
3449     }
3450     return ret;
3451 }
3452
3453 gboolean client_has_group_siblings(ObClient *self)
3454 {
3455     return self->group && self->group->members->next;
3456 }