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) 2003        Ben Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include "client.h"
  20 #include "debug.h"
  21 #include "startupnotify.h"
  22 #include "dock.h"
  23 #include "xerror.h"
  24 #include "screen.h"
  25 #include "moveresize.h"
  26 #include "place.h"
  27 #include "prop.h"
  28 #include "extensions.h"
  29 #include "frame.h"
  30 #include "session.h"
  31 #include "event.h"
  32 #include "grab.h"
  33 #include "focus.h"
  34 #include "stacking.h"
  35 #include "openbox.h"
  36 #include "group.h"
  37 #include "config.h"
  38 #include "menuframe.h"
  39 #include "keyboard.h"
  40 #include "mouse.h"
  41 #include "render/render.h"
  42
  43 #include <glib.h>
  44 #include <X11/Xutil.h>
  45
  46 /*! The event mask to grab on client windows */
  47 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  48                           StructureNotifyMask)
  49
  50 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  51                                 ButtonMotionMask)
  52
  53 GList      *client_list        = NULL;
  54 GSList     *client_destructors = NULL;
  55
  56 static void client_get_all(ObClient *self);
  57 static void client_toggle_border(ObClient *self, gboolean show);
  58 static void client_get_startup_id(ObClient *self);
  59 static void client_get_area(ObClient *self);
  60 static void client_get_desktop(ObClient *self);
  61 static void client_get_state(ObClient *self);
  62 static void client_get_shaped(ObClient *self);
  63 static void client_get_mwm_hints(ObClient *self);
  64 static void client_get_gravity(ObClient *self);
  65 static void client_showhide(ObClient *self);
  66 static void client_change_allowed_actions(ObClient *self);
  67 static void client_change_state(ObClient *self);
  68 static void client_apply_startup_state(ObClient *self);
  69 static void client_restore_session_state(ObClient *self);
  70 static void client_restore_session_stacking(ObClient *self);
  71 static void client_urgent_notify(ObClient *self);
  72
  73 void client_startup(gboolean reconfig)
  74 {
  75     if (reconfig) return;
  76
  77     client_set_list();
  78 }
  79
  80 void client_shutdown(gboolean reconfig)
  81 {
  82 }
  83
  84 void client_add_destructor(GDestroyNotify func)
  85 {
  86     client_destructors = g_slist_prepend(client_destructors, (gpointer)func);
  87 }
  88
  89 void client_remove_destructor(GDestroyNotify func)
  90 {
  91     client_destructors = g_slist_remove(client_destructors, (gpointer)func);
  92 }
  93
  94 void client_set_list()
  95 {
  96     Window *windows, *win_it;
  97     GList *it;
  98     guint size = g_list_length(client_list);
  99
 100     /* create an array of the window ids */
 101     if (size > 0) {
 102         windows = g_new(Window, size);
 103         win_it = windows;
 104         for (it = client_list; it != NULL; it = it->next, ++win_it)
 105             *win_it = ((ObClient*)it->data)->window;
 106     } else
 107         windows = NULL;
 108
 109     PROP_SETA32(RootWindow(ob_display, ob_screen),
 110                 net_client_list, window, (guint32*)windows, size);
 111
 112     if (windows)
 113         g_free(windows);
 114
 115     stacking_set_list();
 116 }
 117
 118 /*
 119 void client_foreach_transient(ObClient *self, ObClientForeachFunc func, void *data)
 120 {
 121     GSList *it;
 122
 123     for (it = self->transients; it; it = it->next) {
 124         if (!func(it->data, data)) return;
 125         client_foreach_transient(it->data, func, data);
 126     }
 127 }
 128
 129 void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, void *data)
 130 {
 131     if (self->transient_for) {
 132         if (self->transient_for != OB_TRAN_GROUP) {
 133             if (!func(self->transient_for, data)) return;
 134             client_foreach_ancestor(self->transient_for, func, data);
 135         } else {
 136             GSList *it;
 137
 138             for (it = self->group->members; it; it = it->next)
 139                 if (it->data != self &&
 140                     !((ObClient*)it->data)->transient_for) {
 141                     if (!func(it->data, data)) return;
 142                     client_foreach_ancestor(it->data, func, data);
 143                 }
 144         }
 145     }
 146 }
 147 */
 148
 149 void client_manage_all()
 150 {
 151     unsigned int i, j, nchild;
 152     Window w, *children;
 153     XWMHints *wmhints;
 154     XWindowAttributes attrib;
 155
 156     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 157                &w, &w, &children, &nchild);
 158
 159     /* remove all icon windows from the list */
 160     for (i = 0; i < nchild; i++) {
 161         if (children[i] == None) continue;
 162         wmhints = XGetWMHints(ob_display, children[i]);
 163         if (wmhints) {
 164             if ((wmhints->flags & IconWindowHint) &&
 165                 (wmhints->icon_window != children[i]))
 166                 for (j = 0; j < nchild; j++)
 167                     if (children[j] == wmhints->icon_window) {
 168                         children[j] = None;
 169                         break;
 170                     }
 171             XFree(wmhints);
 172         }
 173     }
 174
 175     for (i = 0; i < nchild; ++i) {
 176         if (children[i] == None)
 177             continue;
 178         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 179             if (attrib.override_redirect) continue;
 180
 181             if (attrib.map_state != IsUnmapped)
 182                 client_manage(children[i]);
 183         }
 184     }
 185     XFree(children);
 186 }
 187
 188 void client_manage(Window window)
 189 {
 190     ObClient *self;
 191     XEvent e;
 192     XWindowAttributes attrib;
 193     XSetWindowAttributes attrib_set;
 194     XWMHints *wmhint;
 195     gboolean activate = FALSE;
 196
 197     grab_server(TRUE);
 198
 199     /* check if it has already been unmapped by the time we started mapping
 200        the grab does a sync so we don't have to here */
 201     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 202         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 203         XPutBackEvent(ob_display, &e);
 204
 205         grab_server(FALSE);
 206         return; /* don't manage it */
 207     }
 208
 209     /* make sure it isn't an override-redirect window */
 210     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 211         attrib.override_redirect) {
 212         grab_server(FALSE);
 213         return; /* don't manage it */
 214     }
 215
 216     /* is the window a docking app */
 217     if ((wmhint = XGetWMHints(ob_display, window))) {
 218         if ((wmhint->flags & StateHint) &&
 219             wmhint->initial_state == WithdrawnState) {
 220             dock_add(window, wmhint);
 221             grab_server(FALSE);
 222             XFree(wmhint);
 223             return;
 224         }
 225         XFree(wmhint);
 226     }
 227
 228     ob_debug("Managing window: %lx\n", window);
 229
 230     /* choose the events we want to receive on the CLIENT window */
 231     attrib_set.event_mask = CLIENT_EVENTMASK;
 232     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 233     XChangeWindowAttributes(ob_display, window,
 234                             CWEventMask|CWDontPropagate, &attrib_set);
 235
 236
 237     /* create the ObClient struct, and populate it from the hints on the
 238        window */
 239     self = g_new0(ObClient, 1);
 240     self->obwin.type = Window_Client;
 241     self->window = window;
 242
 243     /* non-zero defaults */
 244     self->title_count = 1;
 245     self->wmstate = NormalState;
 246     self->layer = -1;
 247     self->desktop = screen_num_desktops; /* always an invalid value */
 248
 249     client_get_all(self);
 250     client_restore_session_state(self);
 251
 252     sn_app_started(self->class);
 253
 254     client_change_state(self);
 255
 256     /* remove the client's border (and adjust re gravity) */
 257     client_toggle_border(self, FALSE);
 258
 259     /* specify that if we exit, the window should not be destroyed and should
 260        be reparented back to root automatically */
 261     XChangeSaveSet(ob_display, window, SetModeInsert);
 262
 263     /* create the decoration frame for the client window */
 264     self->frame = frame_new();
 265
 266     frame_grab_client(self->frame, self);
 267
 268     grab_server(FALSE);
 269
 270     client_apply_startup_state(self);
 271
 272     /* update the focus lists */
 273     focus_order_add_new(self);
 274
 275     stacking_add(CLIENT_AS_WINDOW(self));
 276     client_restore_session_stacking(self);
 277
 278     /* focus the new window? */
 279     if (ob_state() != OB_STATE_STARTING &&
 280         (config_focus_new || (self->transient_for &&
 281                               self->transient_for != OB_TRAN_GROUP &&
 282                               client_focused(self->transient_for))) &&
 283         /* note the check against Type_Normal/Dialog, not client_normal(self),
 284            which would also include other types. in this case we want more
 285            strict rules for focus */
 286         (self->type == OB_CLIENT_TYPE_NORMAL ||
 287          self->type == OB_CLIENT_TYPE_DIALOG))
 288     {
 289         activate = TRUE;
 290 #if 0
 291         if (self->desktop != screen_desktop) {
 292             /* activate the window */
 293             activate = TRUE;
 294         } else {
 295             gboolean group_foc = FALSE;
 296
 297             if (self->group) {
 298                 GSList *it;
 299
 300                 for (it = self->group->members; it; it = it->next)
 301                 {
 302                     if (client_focused(it->data))
 303                     {
 304                         group_foc = TRUE;
 305                         break;
 306                     }
 307                 }
 308             }
 309             if ((group_foc ||
 310                  (!self->transient_for && (!self->group ||
 311                                            !self->group->members->next))) ||
 312                 client_search_focus_tree_full(self) ||
 313                 !focus_client ||
 314                 !client_normal(focus_client))
 315             {
 316                 /* activate the window */
 317                 activate = TRUE;
 318             }
 319         }
 320 #endif
 321     }
 322
 323     if (ob_state() == OB_STATE_RUNNING) {
 324         int x = self->area.x, ox = x;
 325         int y = self->area.y, oy = y;
 326
 327         place_client(self, &x, &y);
 328
 329         /* make sure the window is visible */
 330         client_find_onscreen(self, &x, &y,
 331                              self->frame->area.width,
 332                              self->frame->area.height,
 333                              client_normal(self));
 334
 335         if (x != ox || y != oy)
 336             client_move(self, x, y);
 337     }
 338
 339     client_showhide(self);
 340
 341     /* use client_focus instead of client_activate cuz client_activate does
 342        stuff like switch desktops etc and I'm not interested in all that when
 343        a window maps since its not based on an action from the user like
 344        clicking a window to activate is. so keep the new window out of the way
 345        but do focus it. */
 346     if (activate) client_focus(self);
 347
 348     /* client_activate does this but we aret using it so we have to do it
 349        here as well */
 350     if (screen_showing_desktop)
 351         screen_show_desktop(FALSE);
 352
 353     /* add to client list/map */
 354     client_list = g_list_append(client_list, self);
 355     g_hash_table_insert(window_map, &self->window, self);
 356
 357     /* this has to happen after we're in the client_list */
 358     screen_update_areas();
 359
 360     /* update the list hints */
 361     client_set_list();
 362
 363     keyboard_grab_for_client(self, TRUE);
 364     mouse_grab_for_client(self, TRUE);
 365
 366     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
 367 }
 368
 369 void client_unmanage_all()
 370 {
 371     while (client_list != NULL)
 372         client_unmanage(client_list->data);
 373 }
 374
 375 void client_unmanage(ObClient *self)
 376 {
 377     guint j;
 378     GSList *it;
 379
 380     ob_debug("Unmanaging window: %lx (%s)\n", self->window, self->class);
 381
 382     g_assert(self != NULL);
 383
 384     keyboard_grab_for_client(self, FALSE);
 385     mouse_grab_for_client(self, FALSE);
 386
 387     /* remove the window from our save set */
 388     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 389
 390     /* we dont want events no more */
 391     XSelectInput(ob_display, self->window, NoEventMask);
 392
 393     frame_hide(self->frame);
 394
 395     client_list = g_list_remove(client_list, self);
 396     stacking_remove(self);
 397     g_hash_table_remove(window_map, &self->window);
 398
 399     /* update the focus lists */
 400     focus_order_remove(self);
 401
 402     /* once the client is out of the list, update the struts to remove it's
 403        influence */
 404     screen_update_areas();
 405
 406     /* tell our parent(s) that we're gone */
 407     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 408         GSList *it;
 409
 410         for (it = self->group->members; it; it = it->next)
 411             if (it->data != self)
 412                 ((ObClient*)it->data)->transients =
 413                     g_slist_remove(((ObClient*)it->data)->transients, self);
 414     } else if (self->transient_for) {        /* transient of window */
 415         self->transient_for->transients =
 416             g_slist_remove(self->transient_for->transients, self);
 417     }
 418
 419     /* tell our transients that we're gone */
 420     for (it = self->transients; it != NULL; it = it->next) {
 421         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 422             ((ObClient*)it->data)->transient_for = NULL;
 423             client_calc_layer(it->data);
 424         }
 425     }
 426
 427     for (it = client_destructors; it; it = g_slist_next(it)) {
 428         GDestroyNotify func = (GDestroyNotify) it->data;
 429         func(self);
 430     }
 431
 432     if (focus_client == self) {
 433         XEvent e;
 434
 435         /* focus the last focused window on the desktop, and ignore enter
 436            events from the unmap so it doesnt mess with the focus */
 437         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
 438         client_unfocus(self);
 439     }
 440
 441     /* remove from its group */
 442     if (self->group) {
 443         group_remove(self->group, self);
 444         self->group = NULL;
 445     }
 446
 447     /* give the client its border back */
 448     client_toggle_border(self, TRUE);
 449
 450     /* reparent the window out of the frame, and free the frame */
 451     frame_release_client(self->frame, self);
 452     self->frame = NULL;
 453
 454     if (ob_state() != OB_STATE_EXITING) {
 455         /* these values should not be persisted across a window
 456            unmapping/mapping */
 457         PROP_ERASE(self->window, net_wm_desktop);
 458         PROP_ERASE(self->window, net_wm_state);
 459         PROP_ERASE(self->window, wm_state);
 460     } else {
 461         /* if we're left in an iconic state, the client wont be mapped. this is
 462            bad, since we will no longer be managing the window on restart */
 463         if (self->iconic)
 464             XMapWindow(ob_display, self->window);
 465     }
 466
 467
 468     ob_debug("Unmanaged window 0x%lx\n", self->window);
 469
 470     /* free all data allocated in the client struct */
 471     g_slist_free(self->transients);
 472     for (j = 0; j < self->nicons; ++j)
 473         g_free(self->icons[j].data);
 474     if (self->nicons > 0)
 475         g_free(self->icons);
 476     g_free(self->title);
 477     g_free(self->icon_title);
 478     g_free(self->name);
 479     g_free(self->class);
 480     g_free(self->role);
 481     g_free(self->sm_client_id);
 482     g_free(self);
 483
 484     /* update the list hints */
 485     client_set_list();
 486 }
 487
 488 static void client_urgent_notify(ObClient *self)
 489 {
 490     if (self->urgent)
 491         frame_flash_start(self->frame);
 492     else
 493         frame_flash_stop(self->frame);
 494 }
 495
 496 static void client_restore_session_state(ObClient *self)
 497 {
 498     GList *it;
 499
 500     if (!(it = session_state_find(self)))
 501         return;
 502
 503     self->session = it->data;
 504
 505     RECT_SET(self->area, self->session->x, self->session->y,
 506              self->session->w, self->session->h);
 507     self->positioned = TRUE;
 508     XResizeWindow(ob_display, self->window,
 509                   self->session->w, self->session->h);
 510
 511     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 512                      self->session->desktop :
 513                      MIN(screen_num_desktops - 1, self->session->desktop));
 514     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 515
 516     self->shaded = self->session->shaded;
 517     self->iconic = self->session->iconic;
 518     self->skip_pager = self->session->skip_pager;
 519     self->skip_taskbar = self->session->skip_taskbar;
 520     self->fullscreen = self->session->fullscreen;
 521     self->above = self->session->above;
 522     self->below = self->session->below;
 523     self->max_horz = self->session->max_horz;
 524     self->max_vert = self->session->max_vert;
 525 }
 526
 527 static void client_restore_session_stacking(ObClient *self)
 528 {
 529     GList *it;
 530
 531     if (!self->session) return;
 532
 533     it = g_list_find(session_saved_state, self->session);
 534     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
 535         GList *cit;
 536
 537         for (cit = client_list; cit; cit = g_list_next(cit))
 538             if (session_state_cmp(it->data, cit->data))
 539                 break;
 540         if (cit) {
 541             client_calc_layer(self);
 542             stacking_below(CLIENT_AS_WINDOW(self),
 543                            CLIENT_AS_WINDOW(cit->data));
 544             break;
 545         }
 546     }
 547 }
 548
 549 void client_move_onscreen(ObClient *self, gboolean rude)
 550 {
 551     int x = self->area.x;
 552     int y = self->area.y;
 553     if (client_find_onscreen(self, &x, &y,
 554                              self->frame->area.width,
 555                              self->frame->area.height, rude)) {
 556         client_move(self, x, y);
 557     }
 558 }
 559
 560 gboolean client_find_onscreen(ObClient *self, int *x, int *y, int w, int h,
 561                               gboolean rude)
 562 {
 563     Rect *a;
 564     int ox = *x, oy = *y;
 565
 566     frame_client_gravity(self->frame, x, y); /* get where the frame
 567                                                 would be */
 568
 569     /* XXX watch for xinerama dead areas */
 570
 571     a = screen_area(self->desktop);
 572     if (client_normal(self)) {
 573         if (!self->strut.right && *x >= a->x + a->width - 1)
 574             *x = a->x + a->width - self->frame->area.width;
 575         if (!self->strut.bottom && *y >= a->y + a->height - 1)
 576             *y = a->y + a->height - self->frame->area.height;
 577         if (!self->strut.left && *x + self->frame->area.width - 1 < a->x)
 578             *x = a->x;
 579         if (!self->strut.top && *y + self->frame->area.height - 1 < a->y)
 580             *y = a->y;
 581     }
 582
 583     if (rude) {
 584         /* this is my MOZILLA BITCHSLAP. oh ya it fucking feels good.
 585            Java can suck it too. */
 586
 587         /* dont let windows map/move into the strut unless they
 588            are bigger than the available area */
 589         if (w <= a->width) {
 590             if (!self->strut.left && *x < a->x) *x = a->x;
 591             if (!self->strut.right && *x + w > a->x + a->width)
 592                 *x = a->x + a->width - w;
 593         }
 594         if (h <= a->height) {
 595             if (!self->strut.top && *y < a->y) *y = a->y;
 596             if (!self->strut.bottom && *y + h > a->y + a->height)
 597                 *y = a->y + a->height - h;
 598         }
 599     }
 600
 601     frame_frame_gravity(self->frame, x, y); /* get where the client
 602                                                should be */
 603
 604     return ox != *x || oy != *y;
 605 }
 606
 607 static void client_toggle_border(ObClient *self, gboolean show)
 608 {
 609     /* adjust our idea of where the client is, based on its border. When the
 610        border is removed, the client should now be considered to be in a
 611        different position.
 612        when re-adding the border to the client, the same operation needs to be
 613        reversed. */
 614     int oldx = self->area.x, oldy = self->area.y;
 615     int x = oldx, y = oldy;
 616     switch(self->gravity) {
 617     default:
 618     case NorthWestGravity:
 619     case WestGravity:
 620     case SouthWestGravity:
 621         break;
 622     case NorthEastGravity:
 623     case EastGravity:
 624     case SouthEastGravity:
 625         if (show) x -= self->border_width * 2;
 626         else      x += self->border_width * 2;
 627         break;
 628     case NorthGravity:
 629     case SouthGravity:
 630     case CenterGravity:
 631     case ForgetGravity:
 632     case StaticGravity:
 633         if (show) x -= self->border_width;
 634         else      x += self->border_width;
 635         break;
 636     }
 637     switch(self->gravity) {
 638     default:
 639     case NorthWestGravity:
 640     case NorthGravity:
 641     case NorthEastGravity:
 642         break;
 643     case SouthWestGravity:
 644     case SouthGravity:
 645     case SouthEastGravity:
 646         if (show) y -= self->border_width * 2;
 647         else      y += self->border_width * 2;
 648         break;
 649     case WestGravity:
 650     case EastGravity:
 651     case CenterGravity:
 652     case ForgetGravity:
 653     case StaticGravity:
 654         if (show) y -= self->border_width;
 655         else      y += self->border_width;
 656         break;
 657     }
 658     self->area.x = x;
 659     self->area.y = y;
 660
 661     if (show) {
 662         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 663
 664         /* move the client so it is back it the right spot _with_ its
 665            border! */
 666         if (x != oldx || y != oldy)
 667             XMoveWindow(ob_display, self->window, x, y);
 668     } else
 669         XSetWindowBorderWidth(ob_display, self->window, 0);
 670 }
 671
 672
 673 static void client_get_all(ObClient *self)
 674 {
 675     client_get_area(self);
 676     client_update_transient_for(self);
 677     client_update_wmhints(self);
 678     client_get_startup_id(self);
 679     client_get_desktop(self);
 680     client_get_state(self);
 681     client_get_shaped(self);
 682
 683     client_get_mwm_hints(self);
 684     client_get_type(self);/* this can change the mwmhints for special cases */
 685
 686     client_update_protocols(self);
 687
 688     client_get_gravity(self); /* get the attribute gravity */
 689     client_update_normal_hints(self); /* this may override the attribute
 690                                          gravity */
 691
 692     /* got the type, the mwmhints, the protocols, and the normal hints
 693        (min/max sizes), so we're ready to set up the decorations/functions */
 694     client_setup_decor_and_functions(self);
 695
 696     client_update_title(self);
 697     client_update_class(self);
 698     client_update_sm_client_id(self);
 699     client_update_strut(self);
 700     client_update_icons(self);
 701 }
 702
 703 static void client_get_startup_id(ObClient *self)
 704 {
 705     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
 706         if (self->group)
 707             PROP_GETS(self->group->leader,
 708                       net_startup_id, utf8, &self->startup_id);
 709 }
 710
 711 static void client_get_area(ObClient *self)
 712 {
 713     XWindowAttributes wattrib;
 714     Status ret;
 715
 716     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 717     g_assert(ret != BadWindow);
 718
 719     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 720     self->border_width = wattrib.border_width;
 721 }
 722
 723 static void client_get_desktop(ObClient *self)
 724 {
 725     guint32 d = screen_num_desktops; /* an always-invalid value */
 726
 727     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
 728         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 729             self->desktop = screen_num_desktops - 1;
 730         else
 731             self->desktop = d;
 732     } else {
 733         gboolean trdesk = FALSE;
 734
 735        if (self->transient_for) {
 736            if (self->transient_for != OB_TRAN_GROUP) {
 737                 self->desktop = self->transient_for->desktop;
 738                 trdesk = TRUE;
 739             } else {
 740                 GSList *it;
 741
 742                 for (it = self->group->members; it; it = it->next)
 743                     if (it->data != self &&
 744                         !((ObClient*)it->data)->transient_for) {
 745                         self->desktop = ((ObClient*)it->data)->desktop;
 746                         trdesk = TRUE;
 747                         break;
 748                     }
 749             }
 750        }
 751        if (!trdesk) {
 752            /* try get from the startup-notification protocol */
 753            if (sn_get_desktop(self->startup_id, &self->desktop)) {
 754                if (self->desktop >= screen_num_desktops &&
 755                    self->desktop != DESKTOP_ALL)
 756                    self->desktop = screen_num_desktops - 1;
 757            } else
 758                /* defaults to the current desktop */
 759                self->desktop = screen_desktop;
 760        }
 761     }
 762     if (self->desktop != d) {
 763         /* set the desktop hint, to make sure that it always exists */
 764         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 765     }
 766 }
 767
 768 static void client_get_state(ObClient *self)
 769 {
 770     guint32 *state;
 771     guint num;
 772
 773     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
 774         gulong i;
 775         for (i = 0; i < num; ++i) {
 776             if (state[i] == prop_atoms.net_wm_state_modal)
 777                 self->modal = TRUE;
 778             else if (state[i] == prop_atoms.net_wm_state_shaded)
 779                 self->shaded = TRUE;
 780             else if (state[i] == prop_atoms.net_wm_state_hidden)
 781                 self->iconic = TRUE;
 782             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 783                 self->skip_taskbar = TRUE;
 784             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 785                 self->skip_pager = TRUE;
 786             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 787                 self->fullscreen = TRUE;
 788             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 789                 self->max_vert = TRUE;
 790             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 791                 self->max_horz = TRUE;
 792             else if (state[i] == prop_atoms.net_wm_state_above)
 793                 self->above = TRUE;
 794             else if (state[i] == prop_atoms.net_wm_state_below)
 795                 self->below = TRUE;
 796             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
 797                 self->undecorated = TRUE;
 798         }
 799
 800         g_free(state);
 801     }
 802 }
 803
 804 static void client_get_shaped(ObClient *self)
 805 {
 806     self->shaped = FALSE;
 807 #ifdef   SHAPE
 808     if (extensions_shape) {
 809         int foo;
 810         guint ufoo;
 811         int s;
 812
 813         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 814
 815         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 816                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 817                            &ufoo);
 818         self->shaped = (s != 0);
 819     }
 820 #endif
 821 }
 822
 823 void client_update_transient_for(ObClient *self)
 824 {
 825     Window t = None;
 826     ObClient *target = NULL;
 827
 828     if (XGetTransientForHint(ob_display, self->window, &t)) {
 829         self->transient = TRUE;
 830         if (t != self->window) { /* cant be transient to itself! */
 831             target = g_hash_table_lookup(window_map, &t);
 832             /* if this happens then we need to check for it*/
 833             g_assert(target != self);
 834             if (target && !WINDOW_IS_CLIENT(target)) {
 835                 /* this can happen when a dialog is a child of
 836                    a dockapp, for example */
 837                 target = NULL;
 838             }
 839
 840             if (!target && self->group) {
 841                 /* not transient to a client, see if it is transient for a
 842                    group */
 843                 if (t == self->group->leader ||
 844                     t == None ||
 845                     t == RootWindow(ob_display, ob_screen)) {
 846                     /* window is a transient for its group! */
 847                     target = OB_TRAN_GROUP;
 848                 }
 849             }
 850         }
 851     } else
 852         self->transient = FALSE;
 853
 854     /* if anything has changed... */
 855     if (target != self->transient_for) {
 856         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 857             GSList *it;
 858
 859             /* remove from old parents */
 860             for (it = self->group->members; it; it = g_slist_next(it)) {
 861                 ObClient *c = it->data;
 862                 if (c != self && !c->transient_for)
 863                     c->transients = g_slist_remove(c->transients, self);
 864             }
 865         } else if (self->transient_for != NULL) { /* transient of window */
 866             /* remove from old parent */
 867             self->transient_for->transients =
 868                 g_slist_remove(self->transient_for->transients, self);
 869         }
 870         self->transient_for = target;
 871         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 872             GSList *it;
 873
 874             /* add to new parents */
 875             for (it = self->group->members; it; it = g_slist_next(it)) {
 876                 ObClient *c = it->data;
 877                 if (c != self && !c->transient_for)
 878                     c->transients = g_slist_append(c->transients, self);
 879             }
 880
 881             /* remove all transients which are in the group, that causes
 882                circlular pointer hell of doom */
 883             for (it = self->group->members; it; it = g_slist_next(it)) {
 884                 GSList *sit, *next;
 885                 for (sit = self->transients; sit; sit = next) {
 886                     next = g_slist_next(sit);
 887                     if (sit->data == it->data)
 888                         self->transients =
 889                             g_slist_delete_link(self->transients, sit);
 890                 }
 891             }
 892         } else if (self->transient_for != NULL) { /* transient of window */
 893             /* add to new parent */
 894             self->transient_for->transients =
 895                 g_slist_append(self->transient_for->transients, self);
 896         }
 897     }
 898 }
 899
 900 static void client_get_mwm_hints(ObClient *self)
 901 {
 902     guint num;
 903     guint32 *hints;
 904
 905     self->mwmhints.flags = 0; /* default to none */
 906
 907     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
 908                     &hints, &num)) {
 909         if (num >= OB_MWM_ELEMENTS) {
 910             self->mwmhints.flags = hints[0];
 911             self->mwmhints.functions = hints[1];
 912             self->mwmhints.decorations = hints[2];
 913         }
 914         g_free(hints);
 915     }
 916 }
 917
 918 void client_get_type(ObClient *self)
 919 {
 920     guint num, i;
 921     guint32 *val;
 922
 923     self->type = -1;
 924
 925     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
 926         /* use the first value that we know about in the array */
 927         for (i = 0; i < num; ++i) {
 928             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 929                 self->type = OB_CLIENT_TYPE_DESKTOP;
 930             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 931                 self->type = OB_CLIENT_TYPE_DOCK;
 932             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 933                 self->type = OB_CLIENT_TYPE_TOOLBAR;
 934             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 935                 self->type = OB_CLIENT_TYPE_MENU;
 936             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 937                 self->type = OB_CLIENT_TYPE_UTILITY;
 938             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 939                 self->type = OB_CLIENT_TYPE_SPLASH;
 940             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 941                 self->type = OB_CLIENT_TYPE_DIALOG;
 942             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 943                 self->type = OB_CLIENT_TYPE_NORMAL;
 944             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 945                 /* prevent this window from getting any decor or
 946                    functionality */
 947                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
 948                                          OB_MWM_FLAG_DECORATIONS);
 949                 self->mwmhints.decorations = 0;
 950                 self->mwmhints.functions = 0;
 951             }
 952             if (self->type != (ObClientType) -1)
 953                 break; /* grab the first legit type */
 954         }
 955         g_free(val);
 956     }
 957
 958     if (self->type == (ObClientType) -1) {
 959         /*the window type hint was not set, which means we either classify
 960           ourself as a normal window or a dialog, depending on if we are a
 961           transient. */
 962         if (self->transient)
 963             self->type = OB_CLIENT_TYPE_DIALOG;
 964         else
 965             self->type = OB_CLIENT_TYPE_NORMAL;
 966     }
 967 }
 968
 969 void client_update_protocols(ObClient *self)
 970 {
 971     guint32 *proto;
 972     guint num_return, i;
 973
 974     self->focus_notify = FALSE;
 975     self->delete_window = FALSE;
 976
 977     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
 978         for (i = 0; i < num_return; ++i) {
 979             if (proto[i] == prop_atoms.wm_delete_window) {
 980                 /* this means we can request the window to close */
 981                 self->delete_window = TRUE;
 982             } else if (proto[i] == prop_atoms.wm_take_focus)
 983                 /* if this protocol is requested, then the window will be
 984                    notified whenever we want it to receive focus */
 985                 self->focus_notify = TRUE;
 986         }
 987         g_free(proto);
 988     }
 989 }
 990
 991 static void client_get_gravity(ObClient *self)
 992 {
 993     XWindowAttributes wattrib;
 994     Status ret;
 995
 996     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 997     g_assert(ret != BadWindow);
 998     self->gravity = wattrib.win_gravity;
 999 }
1000
1001 void client_update_normal_hints(ObClient *self)
1002 {
1003     XSizeHints size;
1004     long ret;
1005     int oldgravity = self->gravity;
1006
1007     /* defaults */
1008     self->min_ratio = 0.0f;
1009     self->max_ratio = 0.0f;
1010     SIZE_SET(self->size_inc, 1, 1);
1011     SIZE_SET(self->base_size, 0, 0);
1012     SIZE_SET(self->min_size, 0, 0);
1013     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1014
1015     /* get the hints from the window */
1016     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1017         self->positioned = !!(size.flags & (PPosition|USPosition));
1018
1019         if (size.flags & PWinGravity) {
1020             self->gravity = size.win_gravity;
1021
1022             /* if the client has a frame, i.e. has already been mapped and
1023                is changing its gravity */
1024             if (self->frame && self->gravity != oldgravity) {
1025                 /* move our idea of the client's position based on its new
1026                    gravity */
1027                 self->area.x = self->frame->area.x;
1028                 self->area.y = self->frame->area.y;
1029                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
1030             }
1031         }
1032
1033         if (size.flags & PAspect) {
1034             if (size.min_aspect.y)
1035                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
1036             if (size.max_aspect.y)
1037                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
1038         }
1039
1040         if (size.flags & PMinSize)
1041             SIZE_SET(self->min_size, size.min_width, size.min_height);
1042
1043         if (size.flags & PMaxSize)
1044             SIZE_SET(self->max_size, size.max_width, size.max_height);
1045
1046         if (size.flags & PBaseSize)
1047             SIZE_SET(self->base_size, size.base_width, size.base_height);
1048
1049         if (size.flags & PResizeInc)
1050             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1051     }
1052 }
1053
1054 void client_setup_decor_and_functions(ObClient *self)
1055 {
1056     /* start with everything (cept fullscreen) */
1057     self->decorations =
1058         (OB_FRAME_DECOR_TITLEBAR |
1059          (ob_rr_theme->show_handle ? OB_FRAME_DECOR_HANDLE : 0) |
1060          OB_FRAME_DECOR_GRIPS |
1061          OB_FRAME_DECOR_BORDER |
1062          OB_FRAME_DECOR_ICON |
1063          OB_FRAME_DECOR_ALLDESKTOPS |
1064          OB_FRAME_DECOR_ICONIFY |
1065          OB_FRAME_DECOR_MAXIMIZE |
1066          OB_FRAME_DECOR_SHADE);
1067     self->functions =
1068         (OB_CLIENT_FUNC_RESIZE |
1069          OB_CLIENT_FUNC_MOVE |
1070          OB_CLIENT_FUNC_ICONIFY |
1071          OB_CLIENT_FUNC_MAXIMIZE |
1072          OB_CLIENT_FUNC_SHADE);
1073     if (self->delete_window) {
1074         self->functions |= OB_CLIENT_FUNC_CLOSE;
1075         self->decorations |= OB_FRAME_DECOR_CLOSE;
1076     }
1077
1078     if (!(self->min_size.width < self->max_size.width ||
1079           self->min_size.height < self->max_size.height))
1080         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1081
1082     switch (self->type) {
1083     case OB_CLIENT_TYPE_NORMAL:
1084         /* normal windows retain all of the possible decorations and
1085            functionality, and are the only windows that you can fullscreen */
1086         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1087         break;
1088
1089     case OB_CLIENT_TYPE_DIALOG:
1090     case OB_CLIENT_TYPE_UTILITY:
1091         /* these windows cannot be maximized */
1092         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1093         break;
1094
1095     case OB_CLIENT_TYPE_MENU:
1096     case OB_CLIENT_TYPE_TOOLBAR:
1097         /* these windows get less functionality */
1098         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1099         break;
1100
1101     case OB_CLIENT_TYPE_DESKTOP:
1102     case OB_CLIENT_TYPE_DOCK:
1103     case OB_CLIENT_TYPE_SPLASH:
1104         /* none of these windows are manipulated by the window manager */
1105         self->decorations = 0;
1106         self->functions = 0;
1107         break;
1108     }
1109
1110     /* Mwm Hints are applied subtractively to what has already been chosen for
1111        decor and functionality */
1112     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1113         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1114             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1115                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1116                 /* if the mwm hints request no handle or title, then all
1117                    decorations are disabled */
1118                 self->decorations = 0;
1119         }
1120     }
1121
1122     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1123         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1124             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1125                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1126             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1127                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1128             /* dont let mwm hints kill any buttons
1129             if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1130                 self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1131             if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1132                 self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1133             */
1134             /* dont let mwm hints kill the close button
1135                if (! (self->mwmhints.functions & MwmFunc_Close))
1136                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1137         }
1138     }
1139
1140     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1141         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1142     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1143         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1144     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1145         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1146
1147     /* can't maximize without moving/resizing */
1148     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1149           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1150           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1151         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1152         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1153     }
1154
1155     /* kill the handle on fully maxed windows */
1156     if (self->max_vert && self->max_horz)
1157         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1158
1159     /* finally, the user can have requested no decorations, which overrides
1160        everything */
1161     if (self->undecorated)
1162         self->decorations = OB_FRAME_DECOR_BORDER;
1163
1164     /* if we don't have a titlebar, then we cannot shade! */
1165     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1166         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1167
1168     /* now we need to check against rules for the client's current state */
1169     if (self->fullscreen) {
1170         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1171                             OB_CLIENT_FUNC_FULLSCREEN |
1172                             OB_CLIENT_FUNC_ICONIFY);
1173         self->decorations = 0;
1174     }
1175
1176     client_change_allowed_actions(self);
1177
1178     if (self->frame) {
1179         /* adjust the client's decorations, etc. */
1180         client_reconfigure(self);
1181     } else {
1182         /* this makes sure that these windows appear on all desktops */
1183         if (self->type == OB_CLIENT_TYPE_DESKTOP &&
1184             self->desktop != DESKTOP_ALL)
1185         {
1186             self->desktop = DESKTOP_ALL;
1187         }
1188     }
1189 }
1190
1191 static void client_change_allowed_actions(ObClient *self)
1192 {
1193     guint32 actions[9];
1194     int num = 0;
1195
1196     /* desktop windows are kept on all desktops */
1197     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1198         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1199
1200     if (self->functions & OB_CLIENT_FUNC_SHADE)
1201         actions[num++] = prop_atoms.net_wm_action_shade;
1202     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1203         actions[num++] = prop_atoms.net_wm_action_close;
1204     if (self->functions & OB_CLIENT_FUNC_MOVE)
1205         actions[num++] = prop_atoms.net_wm_action_move;
1206     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1207         actions[num++] = prop_atoms.net_wm_action_minimize;
1208     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1209         actions[num++] = prop_atoms.net_wm_action_resize;
1210     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1211         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1212     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1213         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1214         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1215     }
1216
1217     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1218
1219     /* make sure the window isn't breaking any rules now */
1220
1221     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1222         if (self->frame) client_shade(self, FALSE);
1223         else self->shaded = FALSE;
1224     }
1225     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1226         if (self->frame) client_iconify(self, FALSE, TRUE);
1227         else self->iconic = FALSE;
1228     }
1229     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1230         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1231         else self->fullscreen = FALSE;
1232     }
1233     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1234                                                          self->max_vert)) {
1235         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1236         else self->max_vert = self->max_horz = FALSE;
1237     }
1238 }
1239
1240 void client_reconfigure(ObClient *self)
1241 {
1242     /* by making this pass FALSE for user, we avoid the emacs event storm where
1243        every configurenotify causes an update in its normal hints, i think this
1244        is generally what we want anyways... */
1245     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1246                      self->area.width, self->area.height, FALSE, TRUE);
1247 }
1248
1249 void client_update_wmhints(ObClient *self)
1250 {
1251     XWMHints *hints;
1252     gboolean ur = FALSE;
1253     GSList *it;
1254
1255     /* assume a window takes input if it doesnt specify */
1256     self->can_focus = TRUE;
1257
1258     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1259         if (hints->flags & InputHint)
1260             self->can_focus = hints->input;
1261
1262         /* only do this when first managing the window *AND* when we aren't
1263            starting up! */
1264         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1265             if (hints->flags & StateHint)
1266                 self->iconic = hints->initial_state == IconicState;
1267
1268         if (hints->flags & XUrgencyHint)
1269             ur = TRUE;
1270
1271         if (!(hints->flags & WindowGroupHint))
1272             hints->window_group = None;
1273
1274         /* did the group state change? */
1275         if (hints->window_group !=
1276             (self->group ? self->group->leader : None)) {
1277             /* remove from the old group if there was one */
1278             if (self->group != NULL) {
1279                 /* remove transients of the group */
1280                 for (it = self->group->members; it; it = it->next)
1281                     self->transients = g_slist_remove(self->transients,
1282                                                       it->data);
1283                 group_remove(self->group, self);
1284                 self->group = NULL;
1285             }
1286             if (hints->window_group != None) {
1287                 self->group = group_add(hints->window_group, self);
1288
1289                 /* i can only have transients from the group if i am not
1290                    transient myself */
1291                 if (!self->transient_for) {
1292                     /* add other transients of the group that are already
1293                        set up */
1294                     for (it = self->group->members; it; it = it->next) {
1295                         ObClient *c = it->data;
1296                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1297                             self->transients =
1298                                 g_slist_append(self->transients, c);
1299                     }
1300                 }
1301             }
1302
1303             /* because the self->transient flag wont change from this call,
1304                we don't need to update the window's type and such, only its
1305                transient_for, and the transients lists of other windows in
1306                the group may be affected */
1307             client_update_transient_for(self);
1308         }
1309
1310         /* the WM_HINTS can contain an icon */
1311         client_update_icons(self);
1312
1313         XFree(hints);
1314     }
1315
1316     if (ur != self->urgent) {
1317         self->urgent = ur;
1318         ob_debug("Urgent Hint for 0x%lx: %s\n", self->window,
1319                  ur ? "ON" : "OFF");
1320         /* fire the urgent callback if we're mapped, otherwise, wait until
1321            after we're mapped */
1322         if (self->frame)
1323             client_urgent_notify(self);
1324     }
1325 }
1326
1327 void client_update_title(ObClient *self)
1328 {
1329     GList *it;
1330     guint32 nums;
1331     guint i;
1332     gchar *data = NULL;
1333     gboolean read_title;
1334     gchar *old_title;
1335
1336     old_title = self->title;
1337
1338     /* try netwm */
1339     if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1340         /* try old x stuff */
1341         if (!PROP_GETS(self->window, wm_name, locale, &data))
1342             data = g_strdup("Unnamed Window");
1343
1344     /* did the title change? then reset the title_count */
1345     if (old_title && 0 != strncmp(old_title, data, strlen(data)))
1346         self->title_count = 1;
1347
1348     /* look for duplicates and append a number */
1349     nums = 0;
1350     for (it = client_list; it; it = it->next)
1351         if (it->data != self) {
1352             ObClient *c = it->data;
1353             if (0 == strncmp(c->title, data, strlen(data)))
1354                 nums |= 1 << c->title_count;
1355         }
1356     /* find first free number */
1357     for (i = 1; i <= 32; ++i)
1358         if (!(nums & (1 << i))) {
1359             if (self->title_count == 1 || i == 1)
1360                 self->title_count = i;
1361             break;
1362         }
1363     /* dont display the number for the first window */
1364     if (self->title_count > 1) {
1365         char *ndata;
1366         ndata = g_strdup_printf("%s - [%u]", data, self->title_count);
1367         g_free(data);
1368         data = ndata;
1369     }
1370
1371     PROP_SETS(self->window, net_wm_visible_name, data);
1372
1373     self->title = data;
1374
1375     if (self->frame)
1376         frame_adjust_title(self->frame);
1377
1378     g_free(old_title);
1379
1380     /* update the icon title */
1381     data = NULL;
1382     g_free(self->icon_title);
1383
1384     read_title = TRUE;
1385     /* try netwm */
1386     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1387         /* try old x stuff */
1388         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1389             data = g_strdup(self->title);
1390             read_title = FALSE;
1391         }
1392
1393     /* append the title count, dont display the number for the first window */
1394     if (read_title && self->title_count > 1) {
1395         char *vdata, *ndata;
1396         ndata = g_strdup_printf(" - [%u]", self->title_count);
1397         vdata = g_strconcat(data, ndata, NULL);
1398         g_free(ndata);
1399         g_free(data);
1400         data = vdata;
1401     }
1402
1403     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1404
1405     self->icon_title = data;
1406 }
1407
1408 void client_update_class(ObClient *self)
1409 {
1410     char **data;
1411     char *s;
1412
1413     if (self->name) g_free(self->name);
1414     if (self->class) g_free(self->class);
1415     if (self->role) g_free(self->role);
1416
1417     self->name = self->class = self->role = NULL;
1418
1419     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1420         if (data[0]) {
1421             self->name = g_strdup(data[0]);
1422             if (data[1])
1423                 self->class = g_strdup(data[1]);
1424         }
1425         g_strfreev(data);
1426     }
1427
1428     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1429         self->role = s;
1430
1431     if (self->name == NULL) self->name = g_strdup("");
1432     if (self->class == NULL) self->class = g_strdup("");
1433     if (self->role == NULL) self->role = g_strdup("");
1434 }
1435
1436 void client_update_strut(ObClient *self)
1437 {
1438     guint num;
1439     guint32 *data;
1440     gboolean got = FALSE;
1441     StrutPartial strut;
1442
1443     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1444                     &data, &num)) {
1445         if (num == 12) {
1446             got = TRUE;
1447             STRUT_PARTIAL_SET(strut,
1448                               data[0], data[2], data[1], data[3],
1449                               data[4], data[5], data[8], data[9],
1450                               data[6], data[7], data[10], data[11]);
1451         }
1452         g_free(data);
1453     }
1454
1455     if (!got &&
1456         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1457         if (num == 4) {
1458             got = TRUE;
1459             STRUT_PARTIAL_SET(strut,
1460                               data[0], data[2], data[1], data[3],
1461                               0, 0, 0, 0, 0, 0, 0, 0);
1462         }
1463         g_free(data);
1464     }
1465
1466     if (!got)
1467         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1468                           0, 0, 0, 0, 0, 0, 0, 0);
1469
1470     if (!STRUT_EQUAL(strut, self->strut)) {
1471         self->strut = strut;
1472
1473         /* updating here is pointless while we're being mapped cuz we're not in
1474            the client list yet */
1475         if (self->frame)
1476             screen_update_areas();
1477     }
1478 }
1479
1480 void client_update_icons(ObClient *self)
1481 {
1482     guint num;
1483     guint32 *data;
1484     guint w, h, i, j;
1485
1486     for (i = 0; i < self->nicons; ++i)
1487         g_free(self->icons[i].data);
1488     if (self->nicons > 0)
1489         g_free(self->icons);
1490     self->nicons = 0;
1491
1492     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1493         /* figure out how many valid icons are in here */
1494         i = 0;
1495         while (num - i > 2) {
1496             w = data[i++];
1497             h = data[i++];
1498             i += w * h;
1499             if (i > num || w*h == 0) break;
1500             ++self->nicons;
1501         }
1502
1503         self->icons = g_new(ObClientIcon, self->nicons);
1504
1505         /* store the icons */
1506         i = 0;
1507         for (j = 0; j < self->nicons; ++j) {
1508             guint x, y, t;
1509
1510             w = self->icons[j].width = data[i++];
1511             h = self->icons[j].height = data[i++];
1512
1513             if (w*h == 0) continue;
1514
1515             self->icons[j].data = g_new(RrPixel32, w * h);
1516             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1517                 if (x >= w) {
1518                     x = 0;
1519                     ++y;
1520                 }
1521                 self->icons[j].data[t] =
1522                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1523                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1524                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1525                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1526             }
1527             g_assert(i <= num);
1528         }
1529
1530         g_free(data);
1531     } else if (PROP_GETA32(self->window, kwm_win_icon,
1532                            kwm_win_icon, &data, &num)) {
1533         if (num == 2) {
1534             self->nicons++;
1535             self->icons = g_new(ObClientIcon, self->nicons);
1536             xerror_set_ignore(TRUE);
1537             if (!RrPixmapToRGBA(ob_rr_inst,
1538                                 data[0], data[1],
1539                                 &self->icons[self->nicons-1].width,
1540                                 &self->icons[self->nicons-1].height,
1541                                 &self->icons[self->nicons-1].data)) {
1542                 g_free(&self->icons[self->nicons-1]);
1543                 self->nicons--;
1544             }
1545             xerror_set_ignore(FALSE);
1546         }
1547         g_free(data);
1548     } else {
1549         XWMHints *hints;
1550
1551         if ((hints = XGetWMHints(ob_display, self->window))) {
1552             if (hints->flags & IconPixmapHint) {
1553                 self->nicons++;
1554                 self->icons = g_new(ObClientIcon, self->nicons);
1555                 xerror_set_ignore(TRUE);
1556                 if (!RrPixmapToRGBA(ob_rr_inst,
1557                                     hints->icon_pixmap,
1558                                     (hints->flags & IconMaskHint ?
1559                                      hints->icon_mask : None),
1560                                     &self->icons[self->nicons-1].width,
1561                                     &self->icons[self->nicons-1].height,
1562                                     &self->icons[self->nicons-1].data)){
1563                     g_free(&self->icons[self->nicons-1]);
1564                     self->nicons--;
1565                 }
1566                 xerror_set_ignore(FALSE);
1567             }
1568             XFree(hints);
1569         }
1570     }
1571
1572     if (!self->nicons) {
1573         self->nicons++;
1574         self->icons = g_new(ObClientIcon, self->nicons);
1575         self->icons[self->nicons-1].width = 48;
1576         self->icons[self->nicons-1].height = 48;
1577         self->icons[self->nicons-1].data = g_memdup(ob_rr_theme->def_win_icon,
1578                                                     sizeof(RrPixel32)
1579                                                     * 48 * 48);
1580     }
1581
1582     if (self->frame)
1583         frame_adjust_icon(self->frame);
1584 }
1585
1586 static void client_change_state(ObClient *self)
1587 {
1588     guint32 state[2];
1589     guint32 netstate[11];
1590     guint num;
1591
1592     state[0] = self->wmstate;
1593     state[1] = None;
1594     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1595
1596     num = 0;
1597     if (self->modal)
1598         netstate[num++] = prop_atoms.net_wm_state_modal;
1599     if (self->shaded)
1600         netstate[num++] = prop_atoms.net_wm_state_shaded;
1601     if (self->iconic)
1602         netstate[num++] = prop_atoms.net_wm_state_hidden;
1603     if (self->skip_taskbar)
1604         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1605     if (self->skip_pager)
1606         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1607     if (self->fullscreen)
1608         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1609     if (self->max_vert)
1610         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1611     if (self->max_horz)
1612         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1613     if (self->above)
1614         netstate[num++] = prop_atoms.net_wm_state_above;
1615     if (self->below)
1616         netstate[num++] = prop_atoms.net_wm_state_below;
1617     if (self->undecorated)
1618         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
1619     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1620
1621     client_calc_layer(self);
1622
1623     if (self->frame)
1624         frame_adjust_state(self->frame);
1625 }
1626
1627 ObClient *client_search_focus_tree(ObClient *self)
1628 {
1629     GSList *it;
1630     ObClient *ret;
1631
1632     for (it = self->transients; it != NULL; it = it->next) {
1633         if (client_focused(it->data)) return it->data;
1634         if ((ret = client_search_focus_tree(it->data))) return ret;
1635     }
1636     return NULL;
1637 }
1638
1639 ObClient *client_search_focus_tree_full(ObClient *self)
1640 {
1641     if (self->transient_for) {
1642         if (self->transient_for != OB_TRAN_GROUP) {
1643             return client_search_focus_tree_full(self->transient_for);
1644         } else {
1645             GSList *it;
1646             gboolean recursed = FALSE;
1647
1648             for (it = self->group->members; it; it = it->next)
1649                 if (!((ObClient*)it->data)->transient_for) {
1650                     ObClient *c;
1651                     if ((c = client_search_focus_tree_full(it->data)))
1652                         return c;
1653                     recursed = TRUE;
1654                 }
1655             if (recursed)
1656               return NULL;
1657         }
1658     }
1659
1660     /* this function checks the whole tree, the client_search_focus_tree~
1661        does not, so we need to check this window */
1662     if (client_focused(self))
1663       return self;
1664     return client_search_focus_tree(self);
1665 }
1666
1667 static ObStackingLayer calc_layer(ObClient *self)
1668 {
1669     ObStackingLayer l;
1670
1671     if (self->fullscreen) l = OB_STACKING_LAYER_FULLSCREEN;
1672     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1673         l = OB_STACKING_LAYER_DESKTOP;
1674     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1675         if (!self->below) l = OB_STACKING_LAYER_TOP;
1676         else l = OB_STACKING_LAYER_NORMAL;
1677     }
1678     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1679     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1680     else l = OB_STACKING_LAYER_NORMAL;
1681
1682     return l;
1683 }
1684
1685 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1686                                         ObStackingLayer l, gboolean raised)
1687 {
1688     ObStackingLayer old, own;
1689     GSList *it;
1690
1691     old = self->layer;
1692     own = calc_layer(self);
1693     self->layer = l > own ? l : own;
1694
1695     for (it = self->transients; it; it = it->next)
1696         client_calc_layer_recursive(it->data, orig,
1697                                     l, raised ? raised : l != old);
1698
1699     if (!raised && l != old)
1700         if (orig->frame) { /* only restack if the original window is managed */
1701             /* XXX add_non_intrusive ever? */
1702             stacking_remove(CLIENT_AS_WINDOW(self));
1703             stacking_add(CLIENT_AS_WINDOW(self));
1704         }
1705 }
1706
1707 void client_calc_layer(ObClient *self)
1708 {
1709     ObStackingLayer l;
1710     ObClient *orig;
1711
1712     orig = self;
1713
1714     /* transients take on the layer of their parents */
1715     self = client_search_top_transient(self);
1716
1717     l = calc_layer(self);
1718
1719     client_calc_layer_recursive(self, orig, l, FALSE);
1720 }
1721
1722 gboolean client_should_show(ObClient *self)
1723 {
1724     if (self->iconic) return FALSE;
1725     else if (!(self->desktop == screen_desktop ||
1726                self->desktop == DESKTOP_ALL)) return FALSE;
1727     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1728
1729     return TRUE;
1730 }
1731
1732 static void client_showhide(ObClient *self)
1733 {
1734
1735     if (client_should_show(self))
1736         frame_show(self->frame);
1737     else
1738         frame_hide(self->frame);
1739 }
1740
1741 gboolean client_normal(ObClient *self) {
1742     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1743               self->type == OB_CLIENT_TYPE_DOCK ||
1744               self->type == OB_CLIENT_TYPE_SPLASH);
1745 }
1746
1747 static void client_apply_startup_state(ObClient *self)
1748 {
1749     /* these are in a carefully crafted order.. */
1750
1751     if (self->iconic) {
1752         self->iconic = FALSE;
1753         client_iconify(self, TRUE, FALSE);
1754     }
1755     if (self->fullscreen) {
1756         self->fullscreen = FALSE;
1757         client_fullscreen(self, TRUE, FALSE);
1758     }
1759     if (self->undecorated) {
1760         self->undecorated = FALSE;
1761         client_set_undecorated(self, TRUE);
1762     }
1763     if (self->shaded) {
1764         self->shaded = FALSE;
1765         client_shade(self, TRUE);
1766     }
1767     if (self->urgent)
1768         client_urgent_notify(self);
1769
1770     if (self->max_vert && self->max_horz) {
1771         self->max_vert = self->max_horz = FALSE;
1772         client_maximize(self, TRUE, 0, FALSE);
1773     } else if (self->max_vert) {
1774         self->max_vert = FALSE;
1775         client_maximize(self, TRUE, 2, FALSE);
1776     } else if (self->max_horz) {
1777         self->max_horz = FALSE;
1778         client_maximize(self, TRUE, 1, FALSE);
1779     }
1780
1781     /* nothing to do for the other states:
1782        skip_taskbar
1783        skip_pager
1784        modal
1785        above
1786        below
1787     */
1788 }
1789
1790 void client_configure_full(ObClient *self, ObCorner anchor,
1791                            int x, int y, int w, int h,
1792                            gboolean user, gboolean final,
1793                            gboolean force_reply)
1794 {
1795     gint oldw, oldh;
1796     gboolean send_resize_client;
1797     gboolean moved = FALSE, resized = FALSE;
1798     guint fdecor = self->frame->decorations;
1799     gboolean fhorz = self->frame->max_horz;
1800
1801     /* make the frame recalculate its dimentions n shit without changing
1802        anything visible for real, this way the constraints below can work with
1803        the updated frame dimensions. */
1804     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
1805
1806     /* gets the frame's position */
1807     frame_client_gravity(self->frame, &x, &y);
1808
1809     /* these positions are frame positions, not client positions */
1810
1811     /* set the size and position if fullscreen */
1812     if (self->fullscreen) {
1813 #ifdef VIDMODE
1814         int dot;
1815         XF86VidModeModeLine mode;
1816 #endif
1817         Rect *a;
1818         guint i;
1819
1820         i = client_monitor(self);
1821         a = screen_physical_area_monitor(i);
1822
1823 #ifdef VIDMODE
1824         if (i == 0 && /* primary head */
1825             extensions_vidmode &&
1826             XF86VidModeGetViewPort(ob_display, ob_screen, &x, &y) &&
1827             /* get the mode last so the mode.privsize isnt freed incorrectly */
1828             XF86VidModeGetModeLine(ob_display, ob_screen, &dot, &mode)) {
1829             x += a->x;
1830             y += a->y;
1831             w = mode.hdisplay;
1832             h = mode.vdisplay;
1833             if (mode.privsize) XFree(mode.private);
1834         } else
1835 #endif
1836         {
1837             x = a->x;
1838             y = a->y;
1839             w = a->width;
1840             h = a->height;
1841         }
1842
1843         user = FALSE; /* ignore that increment etc shit when in fullscreen */
1844     } else {
1845         Rect *a;
1846
1847         a = screen_area_monitor(self->desktop, client_monitor(self));
1848
1849         /* set the size and position if maximized */
1850         if (self->max_horz) {
1851             x = a->x;
1852             w = a->width - self->frame->size.left - self->frame->size.right;
1853         }
1854         if (self->max_vert) {
1855             y = a->y;
1856             h = a->height - self->frame->size.top - self->frame->size.bottom;
1857         }
1858     }
1859
1860     /* gets the client's position */
1861     frame_frame_gravity(self->frame, &x, &y);
1862
1863     /* these override the above states! if you cant move you can't move! */
1864     if (user) {
1865         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
1866             x = self->area.x;
1867             y = self->area.y;
1868         }
1869         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
1870             w = self->area.width;
1871             h = self->area.height;
1872         }
1873     }
1874
1875     if (!(w == self->area.width && h == self->area.height)) {
1876         int basew, baseh, minw, minh;
1877
1878         /* base size is substituted with min size if not specified */
1879         if (self->base_size.width || self->base_size.height) {
1880             basew = self->base_size.width;
1881             baseh = self->base_size.height;
1882         } else {
1883             basew = self->min_size.width;
1884             baseh = self->min_size.height;
1885         }
1886         /* min size is substituted with base size if not specified */
1887         if (self->min_size.width || self->min_size.height) {
1888             minw = self->min_size.width;
1889             minh = self->min_size.height;
1890         } else {
1891             minw = self->base_size.width;
1892             minh = self->base_size.height;
1893         }
1894
1895         /* if this is a user-requested resize, then check against min/max
1896            sizes */
1897
1898         /* smaller than min size or bigger than max size? */
1899         if (w > self->max_size.width) w = self->max_size.width;
1900         if (w < minw) w = minw;
1901         if (h > self->max_size.height) h = self->max_size.height;
1902         if (h < minh) h = minh;
1903
1904         w -= basew;
1905         h -= baseh;
1906
1907         /* keep to the increments */
1908         w /= self->size_inc.width;
1909         h /= self->size_inc.height;
1910
1911         /* you cannot resize to nothing */
1912         if (basew + w < 1) w = 1 - basew;
1913         if (baseh + h < 1) h = 1 - baseh;
1914
1915         /* store the logical size */
1916         SIZE_SET(self->logical_size,
1917                  self->size_inc.width > 1 ? w : w + basew,
1918                  self->size_inc.height > 1 ? h : h + baseh);
1919
1920         w *= self->size_inc.width;
1921         h *= self->size_inc.height;
1922
1923         w += basew;
1924         h += baseh;
1925
1926         /* adjust the height to match the width for the aspect ratios.
1927            for this, min size is not substituted for base size ever. */
1928         w -= self->base_size.width;
1929         h -= self->base_size.height;
1930
1931         if (self->min_ratio)
1932             if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1933         if (self->max_ratio)
1934             if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1935
1936         w += self->base_size.width;
1937         h += self->base_size.height;
1938     }
1939
1940     switch (anchor) {
1941     case OB_CORNER_TOPLEFT:
1942         break;
1943     case OB_CORNER_TOPRIGHT:
1944         x -= w - self->area.width;
1945         break;
1946     case OB_CORNER_BOTTOMLEFT:
1947         y -= h - self->area.height;
1948         break;
1949     case OB_CORNER_BOTTOMRIGHT:
1950         x -= w - self->area.width;
1951         y -= h - self->area.height;
1952         break;
1953     }
1954
1955     moved = x != self->area.x || y != self->area.y;
1956     resized = w != self->area.width || h != self->area.height;
1957
1958     oldw = self->area.width;
1959     oldh = self->area.height;
1960     RECT_SET(self->area, x, y, w, h);
1961
1962     /* for app-requested resizes, always resize if 'resized' is true.
1963        for user-requested ones, only resize if final is true, or when
1964        resizing in redraw mode */
1965     send_resize_client = ((!user && resized) ||
1966                           (user && (final ||
1967                                     (resized && config_redraw_resize))));
1968
1969     /* if the client is enlarging, the resize the client before the frame */
1970     if (send_resize_client && user && (w > oldw || h > oldh))
1971         XResizeWindow(ob_display, self->window, MAX(w, oldw), MAX(h, oldh));
1972
1973     /* move/resize the frame to match the request */
1974     if (self->frame) {
1975         if (self->decorations != fdecor || self->max_horz != fhorz)
1976             moved = resized = TRUE;
1977
1978         if (moved || resized)
1979             frame_adjust_area(self->frame, moved, resized, FALSE);
1980
1981         if (!resized && (force_reply || ((!user && moved) || (user && final))))
1982         {
1983             XEvent event;
1984             event.type = ConfigureNotify;
1985             event.xconfigure.display = ob_display;
1986             event.xconfigure.event = self->window;
1987             event.xconfigure.window = self->window;
1988
1989             /* root window real coords */
1990             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
1991                 self->border_width;
1992             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
1993                 self->border_width;
1994             event.xconfigure.width = w;
1995             event.xconfigure.height = h;
1996             event.xconfigure.border_width = 0;
1997             event.xconfigure.above = self->frame->plate;
1998             event.xconfigure.override_redirect = FALSE;
1999             XSendEvent(event.xconfigure.display, event.xconfigure.window,
2000                        FALSE, StructureNotifyMask, &event);
2001         }
2002     }
2003
2004     /* if the client is shrinking, then resize the frame before the client */
2005     if (send_resize_client && (!user || (w <= oldw || h <= oldh)))
2006         XResizeWindow(ob_display, self->window, w, h);
2007
2008     XFlush(ob_display);
2009 }
2010
2011 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
2012 {
2013     int x, y, w, h;
2014
2015     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2016         self->fullscreen == fs) return;                   /* already done */
2017
2018     self->fullscreen = fs;
2019     client_change_state(self); /* change the state hints on the client,
2020                                   and adjust out layer/stacking */
2021
2022     if (fs) {
2023         if (savearea)
2024             self->pre_fullscreen_area = self->area;
2025
2026         /* these are not actually used cuz client_configure will set them
2027            as appropriate when the window is fullscreened */
2028         x = y = w = h = 0;
2029     } else {
2030         Rect *a;
2031
2032         if (self->pre_fullscreen_area.width > 0 &&
2033             self->pre_fullscreen_area.height > 0)
2034         {
2035             x = self->pre_fullscreen_area.x;
2036             y = self->pre_fullscreen_area.y;
2037             w = self->pre_fullscreen_area.width;
2038             h = self->pre_fullscreen_area.height;
2039             RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2040         } else {
2041             /* pick some fallbacks... */
2042             a = screen_area_monitor(self->desktop, 0);
2043             x = a->x + a->width / 4;
2044             y = a->y + a->height / 4;
2045             w = a->width / 2;
2046             h = a->height / 2;
2047         }
2048     }
2049
2050     client_setup_decor_and_functions(self);
2051
2052     client_move_resize(self, x, y, w, h);
2053
2054     /* try focus us when we go into fullscreen mode */
2055     client_focus(self);
2056 }
2057
2058 static void client_iconify_recursive(ObClient *self,
2059                                      gboolean iconic, gboolean curdesk)
2060 {
2061     GSList *it;
2062     gboolean changed = FALSE;
2063
2064
2065     if (self->iconic != iconic) {
2066         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2067                  self->window);
2068
2069         self->iconic = iconic;
2070
2071         if (iconic) {
2072             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2073                 long old;
2074
2075                 old = self->wmstate;
2076                 self->wmstate = IconicState;
2077                 if (old != self->wmstate)
2078                     PROP_MSG(self->window, kde_wm_change_state,
2079                              self->wmstate, 1, 0, 0);
2080
2081                 self->ignore_unmaps++;
2082                 /* we unmap the client itself so that we can get MapRequest
2083                    events, and because the ICCCM tells us to! */
2084                 XUnmapWindow(ob_display, self->window);
2085
2086                 /* update the focus lists.. iconic windows go to the bottom of
2087                    the list, put the new iconic window at the 'top of the
2088                    bottom'. */
2089                 focus_order_to_top(self);
2090
2091                 changed = TRUE;
2092             }
2093         } else {
2094             long old;
2095
2096             if (curdesk)
2097                 client_set_desktop(self, screen_desktop, FALSE);
2098
2099             old = self->wmstate;
2100             self->wmstate = self->shaded ? IconicState : NormalState;
2101             if (old != self->wmstate)
2102                 PROP_MSG(self->window, kde_wm_change_state,
2103                          self->wmstate, 1, 0, 0);
2104
2105             XMapWindow(ob_display, self->window);
2106
2107             /* this puts it after the current focused window */
2108             focus_order_remove(self);
2109             focus_order_add_new(self);
2110
2111             /* this is here cuz with the VIDMODE extension, the viewport can
2112                change while a fullscreen window is iconic, and when it
2113                uniconifies, it would be nice if it did so to the new position
2114                of the viewport */
2115             client_reconfigure(self);
2116
2117             changed = TRUE;
2118         }
2119     }
2120
2121     if (changed) {
2122         client_change_state(self);
2123         client_showhide(self);
2124         screen_update_areas();
2125     }
2126
2127     /* iconify all transients */
2128     for (it = self->transients; it != NULL; it = it->next)
2129         if (it->data != self) client_iconify_recursive(it->data,
2130                                                        iconic, curdesk);
2131 }
2132
2133 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2134 {
2135     /* move up the transient chain as far as possible first */
2136     self = client_search_top_transient(self);
2137
2138     client_iconify_recursive(client_search_top_transient(self),
2139                              iconic, curdesk);
2140 }
2141
2142 void client_maximize(ObClient *self, gboolean max, int dir, gboolean savearea)
2143 {
2144     int x, y, w, h;
2145
2146     g_assert(dir == 0 || dir == 1 || dir == 2);
2147     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2148
2149     /* check if already done */
2150     if (max) {
2151         if (dir == 0 && self->max_horz && self->max_vert) return;
2152         if (dir == 1 && self->max_horz) return;
2153         if (dir == 2 && self->max_vert) return;
2154     } else {
2155         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2156         if (dir == 1 && !self->max_horz) return;
2157         if (dir == 2 && !self->max_vert) return;
2158     }
2159
2160     /* we just tell it to configure in the same place and client_configure
2161        worries about filling the screen with the window */
2162     x = self->area.x;
2163     y = self->area.y;
2164     w = self->area.width;
2165     h = self->area.height;
2166
2167     if (max) {
2168         if (savearea)
2169             self->pre_max_area = self->area;
2170     } else {
2171         Rect *a;
2172
2173         a = screen_area_monitor(self->desktop, 0);
2174         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2175             if (self->pre_max_area.width > 0) {
2176                 x = self->pre_max_area.x;
2177                 w = self->pre_max_area.width;
2178
2179                 RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2180                          0, self->pre_max_area.height);
2181             } else {
2182                 /* pick some fallbacks... */
2183                 x = a->x + a->width / 4;
2184                 w = a->width / 2;
2185             }
2186         }
2187         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2188             if (self->pre_max_area.width > 0) {
2189                 y = self->pre_max_area.y;
2190                 h = self->pre_max_area.height;
2191
2192                 RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2193                          self->pre_max_area.width, 0);
2194             } else {
2195                 /* pick some fallbacks... */
2196                 y = a->y + a->height / 4;
2197                 h = a->height / 2;
2198             }
2199         }
2200     }
2201
2202     if (dir == 0 || dir == 1) /* horz */
2203         self->max_horz = max;
2204     if (dir == 0 || dir == 2) /* vert */
2205         self->max_vert = max;
2206
2207     client_change_state(self); /* change the state hints on the client */
2208
2209     client_setup_decor_and_functions(self);
2210
2211     client_move_resize(self, x, y, w, h);
2212 }
2213
2214 void client_shade(ObClient *self, gboolean shade)
2215 {
2216     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2217          shade) ||                         /* can't shade */
2218         self->shaded == shade) return;     /* already done */
2219
2220     /* when we're iconic, don't change the wmstate */
2221     if (!self->iconic) {
2222         long old;
2223
2224         old = self->wmstate;
2225         self->wmstate = shade ? IconicState : NormalState;
2226         if (old != self->wmstate)
2227             PROP_MSG(self->window, kde_wm_change_state,
2228                      self->wmstate, 1, 0, 0);
2229     }
2230
2231     self->shaded = shade;
2232     client_change_state(self);
2233     /* resize the frame to just the titlebar */
2234     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2235 }
2236
2237 void client_close(ObClient *self)
2238 {
2239     XEvent ce;
2240
2241     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2242
2243     /*
2244       XXX: itd be cool to do timeouts and shit here for killing the client's
2245       process off
2246       like... if the window is around after 5 seconds, then the close button
2247       turns a nice red, and if this function is called again, the client is
2248       explicitly killed.
2249     */
2250
2251     ce.xclient.type = ClientMessage;
2252     ce.xclient.message_type =  prop_atoms.wm_protocols;
2253     ce.xclient.display = ob_display;
2254     ce.xclient.window = self->window;
2255     ce.xclient.format = 32;
2256     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2257     ce.xclient.data.l[1] = event_lasttime;
2258     ce.xclient.data.l[2] = 0l;
2259     ce.xclient.data.l[3] = 0l;
2260     ce.xclient.data.l[4] = 0l;
2261     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2262 }
2263
2264 void client_kill(ObClient *self)
2265 {
2266     XKillClient(ob_display, self->window);
2267 }
2268
2269 void client_set_desktop_recursive(ObClient *self,
2270                                   guint target, gboolean donthide)
2271 {
2272     guint old;
2273     GSList *it;
2274
2275     if (target != self->desktop) {
2276
2277         ob_debug("Setting desktop %u\n", target+1);
2278
2279         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2280
2281         /* remove from the old desktop(s) */
2282         focus_order_remove(self);
2283
2284         old = self->desktop;
2285         self->desktop = target;
2286         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2287         /* the frame can display the current desktop state */
2288         frame_adjust_state(self->frame);
2289         /* 'move' the window to the new desktop */
2290         if (!donthide)
2291             client_showhide(self);
2292         /* raise if it was not already on the desktop */
2293         if (old != DESKTOP_ALL)
2294             stacking_raise(CLIENT_AS_WINDOW(self));
2295         screen_update_areas();
2296
2297         /* add to the new desktop(s) */
2298         if (config_focus_new)
2299             focus_order_to_top(self);
2300         else
2301             focus_order_to_bottom(self);
2302     }
2303
2304     /* move all transients */
2305     for (it = self->transients; it != NULL; it = it->next)
2306         if (it->data != self) client_set_desktop_recursive(it->data,
2307                                                            target, donthide);
2308 }
2309
2310 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2311 {
2312     client_set_desktop_recursive(client_search_top_transient(self),
2313                                  target, donthide);
2314 }
2315
2316 ObClient *client_search_modal_child(ObClient *self)
2317 {
2318     GSList *it;
2319     ObClient *ret;
2320
2321     for (it = self->transients; it != NULL; it = it->next) {
2322         ObClient *c = it->data;
2323         if ((ret = client_search_modal_child(c))) return ret;
2324         if (c->modal) return c;
2325     }
2326     return NULL;
2327 }
2328
2329 gboolean client_validate(ObClient *self)
2330 {
2331     XEvent e;
2332
2333     XSync(ob_display, FALSE); /* get all events on the server */
2334
2335     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2336         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2337         XPutBackEvent(ob_display, &e);
2338         return FALSE;
2339     }
2340
2341     return TRUE;
2342 }
2343
2344 void client_set_wm_state(ObClient *self, long state)
2345 {
2346     if (state == self->wmstate) return; /* no change */
2347
2348     switch (state) {
2349     case IconicState:
2350         client_iconify(self, TRUE, TRUE);
2351         break;
2352     case NormalState:
2353         client_iconify(self, FALSE, TRUE);
2354         break;
2355     }
2356 }
2357
2358 void client_set_state(ObClient *self, Atom action, long data1, long data2)
2359 {
2360     gboolean shaded = self->shaded;
2361     gboolean fullscreen = self->fullscreen;
2362     gboolean undecorated = self->undecorated;
2363     gboolean max_horz = self->max_horz;
2364     gboolean max_vert = self->max_vert;
2365     int i;
2366
2367     if (!(action == prop_atoms.net_wm_state_add ||
2368           action == prop_atoms.net_wm_state_remove ||
2369           action == prop_atoms.net_wm_state_toggle))
2370         /* an invalid action was passed to the client message, ignore it */
2371         return;
2372
2373     for (i = 0; i < 2; ++i) {
2374         Atom state = i == 0 ? data1 : data2;
2375
2376         if (!state) continue;
2377
2378         /* if toggling, then pick whether we're adding or removing */
2379         if (action == prop_atoms.net_wm_state_toggle) {
2380             if (state == prop_atoms.net_wm_state_modal)
2381                 action = self->modal ? prop_atoms.net_wm_state_remove :
2382                     prop_atoms.net_wm_state_add;
2383             else if (state == prop_atoms.net_wm_state_maximized_vert)
2384                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2385                     prop_atoms.net_wm_state_add;
2386             else if (state == prop_atoms.net_wm_state_maximized_horz)
2387                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2388                     prop_atoms.net_wm_state_add;
2389             else if (state == prop_atoms.net_wm_state_shaded)
2390                 action = shaded ? prop_atoms.net_wm_state_remove :
2391                     prop_atoms.net_wm_state_add;
2392             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2393                 action = self->skip_taskbar ?
2394                     prop_atoms.net_wm_state_remove :
2395                     prop_atoms.net_wm_state_add;
2396             else if (state == prop_atoms.net_wm_state_skip_pager)
2397                 action = self->skip_pager ?
2398                     prop_atoms.net_wm_state_remove :
2399                     prop_atoms.net_wm_state_add;
2400             else if (state == prop_atoms.net_wm_state_fullscreen)
2401                 action = fullscreen ?
2402                     prop_atoms.net_wm_state_remove :
2403                     prop_atoms.net_wm_state_add;
2404             else if (state == prop_atoms.net_wm_state_above)
2405                 action = self->above ? prop_atoms.net_wm_state_remove :
2406                     prop_atoms.net_wm_state_add;
2407             else if (state == prop_atoms.net_wm_state_below)
2408                 action = self->below ? prop_atoms.net_wm_state_remove :
2409                     prop_atoms.net_wm_state_add;
2410             else if (state == prop_atoms.ob_wm_state_undecorated)
2411                 action = undecorated ? prop_atoms.net_wm_state_remove :
2412                     prop_atoms.net_wm_state_add;
2413         }
2414
2415         if (action == prop_atoms.net_wm_state_add) {
2416             if (state == prop_atoms.net_wm_state_modal) {
2417                 /* XXX raise here or something? */
2418                 self->modal = TRUE;
2419             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2420                 max_vert = TRUE;
2421             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2422                 max_horz = TRUE;
2423             } else if (state == prop_atoms.net_wm_state_shaded) {
2424                 shaded = TRUE;
2425             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2426                 self->skip_taskbar = TRUE;
2427             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2428                 self->skip_pager = TRUE;
2429             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2430                 fullscreen = TRUE;
2431             } else if (state == prop_atoms.net_wm_state_above) {
2432                 self->above = TRUE;
2433             } else if (state == prop_atoms.net_wm_state_below) {
2434                 self->below = TRUE;
2435             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2436                 undecorated = TRUE;
2437             }
2438
2439         } else { /* action == prop_atoms.net_wm_state_remove */
2440             if (state == prop_atoms.net_wm_state_modal) {
2441                 self->modal = FALSE;
2442             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2443                 max_vert = FALSE;
2444             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2445                 max_horz = FALSE;
2446             } else if (state == prop_atoms.net_wm_state_shaded) {
2447                 shaded = FALSE;
2448             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2449                 self->skip_taskbar = FALSE;
2450             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2451                 self->skip_pager = FALSE;
2452             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2453                 fullscreen = FALSE;
2454             } else if (state == prop_atoms.net_wm_state_above) {
2455                 self->above = FALSE;
2456             } else if (state == prop_atoms.net_wm_state_below) {
2457                 self->below = FALSE;
2458             } else if (state == prop_atoms.ob_wm_state_undecorated) {
2459                 undecorated = FALSE;
2460             }
2461         }
2462     }
2463     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2464         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2465             /* toggling both */
2466             if (max_horz == max_vert) { /* both going the same way */
2467                 client_maximize(self, max_horz, 0, TRUE);
2468             } else {
2469                 client_maximize(self, max_horz, 1, TRUE);
2470                 client_maximize(self, max_vert, 2, TRUE);
2471             }
2472         } else {
2473             /* toggling one */
2474             if (max_horz != self->max_horz)
2475                 client_maximize(self, max_horz, 1, TRUE);
2476             else
2477                 client_maximize(self, max_vert, 2, TRUE);
2478         }
2479     }
2480     /* change fullscreen state before shading, as it will affect if the window
2481        can shade or not */
2482     if (fullscreen != self->fullscreen)
2483         client_fullscreen(self, fullscreen, TRUE);
2484     if (shaded != self->shaded)
2485         client_shade(self, shaded);
2486     if (undecorated != self->undecorated)
2487         client_set_undecorated(self, undecorated);
2488     client_calc_layer(self);
2489     client_change_state(self); /* change the hint to reflect these changes */
2490 }
2491
2492 ObClient *client_focus_target(ObClient *self)
2493 {
2494     ObClient *child;
2495
2496     /* if we have a modal child, then focus it, not us */
2497     child = client_search_modal_child(self);
2498     if (child) return child;
2499     return self;
2500 }
2501
2502 gboolean client_can_focus(ObClient *self)
2503 {
2504     XEvent ev;
2505
2506     /* choose the correct target */
2507     self = client_focus_target(self);
2508
2509     if (!self->frame->visible)
2510         return FALSE;
2511
2512     if (!((self->can_focus || self->focus_notify) &&
2513           (self->desktop == screen_desktop ||
2514            self->desktop == DESKTOP_ALL) &&
2515           !self->iconic))
2516         return FALSE;
2517
2518     /* do a check to see if the window has already been unmapped or destroyed
2519        do this intelligently while watching out for unmaps we've generated
2520        (ignore_unmaps > 0) */
2521     if (XCheckTypedWindowEvent(ob_display, self->window,
2522                                DestroyNotify, &ev)) {
2523         XPutBackEvent(ob_display, &ev);
2524         return FALSE;
2525     }
2526     while (XCheckTypedWindowEvent(ob_display, self->window,
2527                                   UnmapNotify, &ev)) {
2528         if (self->ignore_unmaps) {
2529             self->ignore_unmaps--;
2530         } else {
2531             XPutBackEvent(ob_display, &ev);
2532             return FALSE;
2533         }
2534     }
2535
2536     return TRUE;
2537 }
2538
2539 gboolean client_focus(ObClient *self)
2540 {
2541     /* choose the correct target */
2542     self = client_focus_target(self);
2543
2544     if (!client_can_focus(self)) {
2545         if (!self->frame->visible) {
2546             /* update the focus lists */
2547             focus_order_to_top(self);
2548         }
2549         return FALSE;
2550     }
2551
2552     if (self->can_focus) {
2553         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2554            I choose to use it always, hopefully to find errors quicker, if any
2555            are left. (I hate X. I hate focus events.)
2556
2557            Update: Changing this to RevertToNone fixed a bug with mozilla (bug
2558            #799. So now it is RevertToNone again.
2559         */
2560         XSetInputFocus(ob_display, self->window, RevertToNone,
2561                        event_lasttime);
2562     }
2563
2564     if (self->focus_notify) {
2565         XEvent ce;
2566         ce.xclient.type = ClientMessage;
2567         ce.xclient.message_type = prop_atoms.wm_protocols;
2568         ce.xclient.display = ob_display;
2569         ce.xclient.window = self->window;
2570         ce.xclient.format = 32;
2571         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2572         ce.xclient.data.l[1] = event_lasttime;
2573         ce.xclient.data.l[2] = 0l;
2574         ce.xclient.data.l[3] = 0l;
2575         ce.xclient.data.l[4] = 0l;
2576         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2577     }
2578
2579 #ifdef DEBUG_FOCUS
2580     ob_debug("%sively focusing %lx at %d\n",
2581              (self->can_focus ? "act" : "pass"),
2582              self->window, (int) event_lasttime);
2583 #endif
2584
2585     /* Cause the FocusIn to come back to us. Important for desktop switches,
2586        since otherwise we'll have no FocusIn on the queue and send it off to
2587        the focus_backup. */
2588     XSync(ob_display, FALSE);
2589     return TRUE;
2590 }
2591
2592 void client_unfocus(ObClient *self)
2593 {
2594     if (focus_client == self) {
2595 #ifdef DEBUG_FOCUS
2596         ob_debug("client_unfocus for %lx\n", self->window);
2597 #endif
2598         focus_fallback(OB_FOCUS_FALLBACK_UNFOCUSING);
2599     }
2600 }
2601
2602 void client_activate(ObClient *self, gboolean here)
2603 {
2604     if (client_normal(self) && screen_showing_desktop)
2605         screen_show_desktop(FALSE);
2606     if (self->iconic)
2607         client_iconify(self, FALSE, FALSE);
2608     if (self->desktop != DESKTOP_ALL &&
2609         self->desktop != screen_desktop) {
2610         if (here)
2611             client_set_desktop(self, screen_desktop, FALSE);
2612         else
2613             screen_set_desktop(self->desktop);
2614     } else if (!self->frame->visible)
2615         /* if its not visible for other reasons, then don't mess
2616            with it */
2617         return;
2618     if (self->shaded)
2619         client_shade(self, FALSE);
2620     client_focus(self);
2621     stacking_raise(CLIENT_AS_WINDOW(self));
2622 }
2623
2624 gboolean client_focused(ObClient *self)
2625 {
2626     return self == focus_client;
2627 }
2628
2629 ObClientIcon *client_icon(ObClient *self, int w, int h)
2630 {
2631     guint i;
2632     /* si is the smallest image >= req */
2633     /* li is the largest image < req */
2634     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2635
2636     for (i = 0; i < self->nicons; ++i) {
2637         size = self->icons[i].width * self->icons[i].height;
2638         if (size < smallest && size >= (unsigned)(w * h)) {
2639             smallest = size;
2640             si = i;
2641         }
2642         if (size > largest && size <= (unsigned)(w * h)) {
2643             largest = size;
2644             li = i;
2645         }
2646     }
2647     if (largest == 0) /* didnt find one smaller than the requested size */
2648         return &self->icons[si];
2649     return &self->icons[li];
2650 }
2651
2652 /* this be mostly ripped from fvwm */
2653 ObClient *client_find_directional(ObClient *c, ObDirection dir)
2654 {
2655     int my_cx, my_cy, his_cx, his_cy;
2656     int offset = 0;
2657     int distance = 0;
2658     int score, best_score;
2659     ObClient *best_client, *cur;
2660     GList *it;
2661
2662     if(!client_list)
2663         return NULL;
2664
2665     /* first, find the centre coords of the currently focused window */
2666     my_cx = c->frame->area.x + c->frame->area.width / 2;
2667     my_cy = c->frame->area.y + c->frame->area.height / 2;
2668
2669     best_score = -1;
2670     best_client = NULL;
2671
2672     for(it = g_list_first(client_list); it; it = it->next) {
2673         cur = it->data;
2674
2675         /* the currently selected window isn't interesting */
2676         if(cur == c)
2677             continue;
2678         if (!client_normal(cur))
2679             continue;
2680         if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2681             continue;
2682         if(cur->iconic)
2683             continue;
2684         if(client_focus_target(cur) == cur &&
2685            !(cur->can_focus || cur->focus_notify))
2686             continue;
2687
2688         /* find the centre coords of this window, from the
2689          * currently focused window's point of view */
2690         his_cx = (cur->frame->area.x - my_cx)
2691             + cur->frame->area.width / 2;
2692         his_cy = (cur->frame->area.y - my_cy)
2693             + cur->frame->area.height / 2;
2694
2695         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
2696            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
2697             int tx;
2698             /* Rotate the diagonals 45 degrees counterclockwise.
2699              * To do this, multiply the matrix /+h +h\ with the
2700              * vector (x y).                   \-h +h/
2701              * h = sqrt(0.5). We can set h := 1 since absolute
2702              * distance doesn't matter here. */
2703             tx = his_cx + his_cy;
2704             his_cy = -his_cx + his_cy;
2705             his_cx = tx;
2706         }
2707
2708         switch(dir) {
2709         case OB_DIRECTION_NORTH:
2710         case OB_DIRECTION_SOUTH:
2711         case OB_DIRECTION_NORTHEAST:
2712         case OB_DIRECTION_SOUTHWEST:
2713             offset = (his_cx < 0) ? -his_cx : his_cx;
2714             distance = ((dir == OB_DIRECTION_NORTH ||
2715                         dir == OB_DIRECTION_NORTHEAST) ?
2716                         -his_cy : his_cy);
2717             break;
2718         case OB_DIRECTION_EAST:
2719         case OB_DIRECTION_WEST:
2720         case OB_DIRECTION_SOUTHEAST:
2721         case OB_DIRECTION_NORTHWEST:
2722             offset = (his_cy < 0) ? -his_cy : his_cy;
2723             distance = ((dir == OB_DIRECTION_WEST ||
2724                         dir == OB_DIRECTION_NORTHWEST) ?
2725                         -his_cx : his_cx);
2726             break;
2727         }
2728
2729         /* the target must be in the requested direction */
2730         if(distance <= 0)
2731             continue;
2732
2733         /* Calculate score for this window.  The smaller the better. */
2734         score = distance + offset;
2735
2736         /* windows more than 45 degrees off the direction are
2737          * heavily penalized and will only be chosen if nothing
2738          * else within a million pixels */
2739         if(offset > distance)
2740             score += 1000000;
2741
2742         if(best_score == -1 || score < best_score)
2743             best_client = cur,
2744                 best_score = score;
2745     }
2746
2747     return best_client;
2748 }
2749
2750 void client_set_layer(ObClient *self, int layer)
2751 {
2752     if (layer < 0) {
2753         self->below = TRUE;
2754         self->above = FALSE;
2755     } else if (layer == 0) {
2756         self->below = self->above = FALSE;
2757     } else {
2758         self->below = FALSE;
2759         self->above = TRUE;
2760     }
2761     client_calc_layer(self);
2762     client_change_state(self); /* reflect this in the state hints */
2763 }
2764
2765 void client_set_undecorated(ObClient *self, gboolean undecorated)
2766 {
2767     if (self->undecorated != undecorated) {
2768         self->undecorated = undecorated;
2769         client_setup_decor_and_functions(self);
2770         client_change_state(self); /* reflect this in the state hints */
2771     }
2772 }
2773
2774 guint client_monitor(ObClient *self)
2775 {
2776     guint i;
2777
2778     for (i = 0; i < screen_num_monitors; ++i) {
2779         Rect *area = screen_physical_area_monitor(i);
2780         if (RECT_INTERSECTS_RECT(*area, self->frame->area))
2781             break;
2782     }
2783     if (i == screen_num_monitors) i = 0;
2784     g_assert(i < screen_num_monitors);
2785     return i;
2786 }
2787
2788 ObClient *client_search_top_transient(ObClient *self)
2789 {
2790     /* move up the transient chain as far as possible */
2791     if (self->transient_for) {
2792         if (self->transient_for != OB_TRAN_GROUP) {
2793             return client_search_top_transient(self->transient_for);
2794         } else {
2795             GSList *it;
2796
2797             for (it = self->group->members; it; it = it->next) {
2798                 ObClient *c = it->data;
2799
2800                 /* checking transient_for prevents infinate loops! */
2801                 if (c != self && !c->transient_for)
2802                     break;
2803             }
2804             if (it)
2805                 return it->data;
2806         }
2807     }
2808
2809     return self;
2810 }
2811
2812 ObClient *client_search_transient(ObClient *self, ObClient *search)
2813 {
2814     GSList *sit;
2815
2816     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
2817         if (sit->data == search)
2818             return search;
2819         if (client_search_transient(sit->data, search))
2820             return search;
2821     }
2822     return NULL;
2823 }
2824
2825 void client_update_sm_client_id(ObClient *self)
2826 {
2827     g_free(self->sm_client_id);
2828     self->sm_client_id = NULL;
2829
2830     if (!PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id) &&
2831         self->group)
2832         PROP_GETS(self->group->leader, sm_client_id, locale,
2833                   &self->sm_client_id);
2834 }
2835
2836 /* finds the nearest edge in the given direction from the current client
2837  * note to self: the edge is the -frame- edge (the actual one), not the
2838  * client edge.
2839  */
2840 int client_directional_edge_search(ObClient *c, ObDirection dir)
2841 {
2842     int dest;
2843     int my_edge_start, my_edge_end, my_offset;
2844     GList *it;
2845     Rect *a;
2846
2847     if(!client_list)
2848         return -1;
2849
2850     a = screen_area(c->desktop);
2851
2852     switch(dir) {
2853     case OB_DIRECTION_NORTH:
2854         my_edge_start = c->frame->area.x;
2855         my_edge_end = c->frame->area.x + c->frame->area.width;
2856         my_offset = c->frame->area.y;
2857
2858         dest = a->y; /* default: top of screen */
2859
2860         for(it = g_list_first(client_list); it; it = it->next) {
2861             int his_edge_start, his_edge_end, his_offset;
2862             ObClient *cur = it->data;
2863
2864             if(cur == c)
2865                 continue;
2866             if(!client_normal(cur))
2867                 continue;
2868             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2869                 continue;
2870             if(cur->iconic)
2871                 continue;
2872
2873             his_edge_start = cur->frame->area.x;
2874             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2875             his_offset = cur->frame->area.y + cur->frame->area.height;
2876
2877             if(his_offset + 1 > my_offset)
2878                 continue;
2879
2880             if(his_offset < dest)
2881                 continue;
2882
2883             if(his_edge_start >= my_edge_start &&
2884                his_edge_start <= my_edge_end)
2885                 dest = his_offset;
2886
2887             if(my_edge_start >= his_edge_start &&
2888                my_edge_start <= his_edge_end)
2889                 dest = his_offset;
2890
2891         }
2892         break;
2893     case OB_DIRECTION_SOUTH:
2894         my_edge_start = c->frame->area.x;
2895         my_edge_end = c->frame->area.x + c->frame->area.width;
2896         my_offset = c->frame->area.y + c->frame->area.height;
2897
2898         dest = a->y + a->height; /* default: bottom of screen */
2899
2900         for(it = g_list_first(client_list); it; it = it->next) {
2901             int his_edge_start, his_edge_end, his_offset;
2902             ObClient *cur = it->data;
2903
2904             if(cur == c)
2905                 continue;
2906             if(!client_normal(cur))
2907                 continue;
2908             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2909                 continue;
2910             if(cur->iconic)
2911                 continue;
2912
2913             his_edge_start = cur->frame->area.x;
2914             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2915             his_offset = cur->frame->area.y;
2916
2917
2918             if(his_offset - 1 < my_offset)
2919                 continue;
2920
2921             if(his_offset > dest)
2922                 continue;
2923
2924             if(his_edge_start >= my_edge_start &&
2925                his_edge_start <= my_edge_end)
2926                 dest = his_offset;
2927
2928             if(my_edge_start >= his_edge_start &&
2929                my_edge_start <= his_edge_end)
2930                 dest = his_offset;
2931
2932         }
2933         break;
2934     case OB_DIRECTION_WEST:
2935         my_edge_start = c->frame->area.y;
2936         my_edge_end = c->frame->area.y + c->frame->area.height;
2937         my_offset = c->frame->area.x;
2938
2939         dest = a->x; /* default: leftmost egde of screen */
2940
2941         for(it = g_list_first(client_list); it; it = it->next) {
2942             int his_edge_start, his_edge_end, his_offset;
2943             ObClient *cur = it->data;
2944
2945             if(cur == c)
2946                 continue;
2947             if(!client_normal(cur))
2948                 continue;
2949             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2950                 continue;
2951             if(cur->iconic)
2952                 continue;
2953
2954             his_edge_start = cur->frame->area.y;
2955             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2956             his_offset = cur->frame->area.x + cur->frame->area.width;
2957
2958             if(his_offset + 1 > my_offset)
2959                 continue;
2960
2961             if(his_offset < dest)
2962                 continue;
2963
2964             if(his_edge_start >= my_edge_start &&
2965                his_edge_start <= my_edge_end)
2966                 dest = his_offset;
2967
2968             if(my_edge_start >= his_edge_start &&
2969                my_edge_start <= his_edge_end)
2970                 dest = his_offset;
2971
2972
2973         }
2974         break;
2975     case OB_DIRECTION_EAST:
2976         my_edge_start = c->frame->area.y;
2977         my_edge_end = c->frame->area.y + c->frame->area.height;
2978         my_offset = c->frame->area.x + c->frame->area.width;
2979
2980         dest = a->x + a->width; /* default: rightmost edge of screen */
2981
2982         for(it = g_list_first(client_list); it; it = it->next) {
2983             int his_edge_start, his_edge_end, his_offset;
2984             ObClient *cur = it->data;
2985
2986             if(cur == c)
2987                 continue;
2988             if(!client_normal(cur))
2989                 continue;
2990             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2991                 continue;
2992             if(cur->iconic)
2993                 continue;
2994
2995             his_edge_start = cur->frame->area.y;
2996             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2997             his_offset = cur->frame->area.x;
2998
2999             if(his_offset - 1 < my_offset)
3000                 continue;
3001
3002             if(his_offset > dest)
3003                 continue;
3004
3005             if(his_edge_start >= my_edge_start &&
3006                his_edge_start <= my_edge_end)
3007                 dest = his_offset;
3008
3009             if(my_edge_start >= his_edge_start &&
3010                my_edge_start <= his_edge_end)
3011                 dest = his_offset;
3012
3013         }
3014         break;
3015     case OB_DIRECTION_NORTHEAST:
3016     case OB_DIRECTION_SOUTHEAST:
3017     case OB_DIRECTION_NORTHWEST:
3018     case OB_DIRECTION_SOUTHWEST:
3019         /* not implemented */
3020     default:
3021         g_assert_not_reached();
3022     }
3023     return dest;
3024 }
3025
3026 ObClient* client_under_pointer()
3027 {
3028     int x, y;
3029     GList *it;
3030     ObClient *ret = NULL;
3031
3032     if (screen_pointer_pos(&x, &y)) {
3033         for (it = stacking_list; it != NULL; it = it->next) {
3034             if (WINDOW_IS_CLIENT(it->data)) {
3035                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3036                 if (c->desktop == screen_desktop &&
3037                     RECT_CONTAINS(c->frame->area, x, y)) {
3038                     ret = c;
3039                     break;
3040                 }
3041             }
3042         }
3043     }
3044     return ret;
3045 }