openbox/client.c

   1 #include "debug.h"
   2 #include "client.h"
   3 #include "dock.h"
   4 #include "xerror.h"
   5 #include "startup.h"
   6 #include "screen.h"
   7 #include "moveresize.h"
   8 #include "place.h"
   9 #include "prop.h"
  10 #include "extensions.h"
  11 #include "frame.h"
  12 #include "session.h"
  13 #include "event.h"
  14 #include "grab.h"
  15 #include "focus.h"
  16 #include "stacking.h"
  17 #include "openbox.h"
  18 #include "group.h"
  19 #include "config.h"
  20 #include "menuframe.h"
  21 #include "keyboard.h"
  22 #include "mouse.h"
  23 #include "render/render.h"
  24
  25 #include <glib.h>
  26 #include <X11/Xutil.h>
  27
  28 /*! The event mask to grab on client windows */
  29 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  30                           StructureNotifyMask)
  31
  32 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  33                                 ButtonMotionMask)
  34
  35 GList      *client_list        = NULL;
  36 GSList     *client_destructors = NULL;
  37
  38 static void client_get_all(ObClient *self);
  39 static void client_toggle_border(ObClient *self, gboolean show);
  40 static void client_get_area(ObClient *self);
  41 static void client_get_desktop(ObClient *self);
  42 static void client_get_state(ObClient *self);
  43 static void client_get_shaped(ObClient *self);
  44 static void client_get_mwm_hints(ObClient *self);
  45 static void client_get_gravity(ObClient *self);
  46 static void client_showhide(ObClient *self);
  47 static void client_change_allowed_actions(ObClient *self);
  48 static void client_change_state(ObClient *self);
  49 static void client_apply_startup_state(ObClient *self);
  50 static void client_restore_session_state(ObClient *self);
  51 static void client_restore_session_stacking(ObClient *self);
  52 static void client_urgent_notify(ObClient *self);
  53
  54 void client_startup()
  55 {
  56     client_set_list();
  57 }
  58
  59 void client_shutdown()
  60 {
  61 }
  62
  63 void client_add_destructor(GDestroyNotify func)
  64 {
  65     client_destructors = g_slist_prepend(client_destructors, (gpointer)func);
  66 }
  67
  68 void client_remove_destructor(GDestroyNotify func)
  69 {
  70     client_destructors = g_slist_remove(client_destructors, (gpointer)func);
  71 }
  72
  73 void client_set_list()
  74 {
  75     Window *windows, *win_it;
  76     GList *it;
  77     guint size = g_list_length(client_list);
  78
  79     /* create an array of the window ids */
  80     if (size > 0) {
  81         windows = g_new(Window, size);
  82         win_it = windows;
  83         for (it = client_list; it != NULL; it = it->next, ++win_it)
  84             *win_it = ((ObClient*)it->data)->window;
  85     } else
  86         windows = NULL;
  87
  88     PROP_SETA32(RootWindow(ob_display, ob_screen),
  89                 net_client_list, window, (guint32*)windows, size);
  90
  91     if (windows)
  92         g_free(windows);
  93
  94     stacking_set_list();
  95 }
  96
  97 /*
  98 void client_foreach_transient(ObClient *self, ObClientForeachFunc func, void *data)
  99 {
 100     GSList *it;
 101
 102     for (it = self->transients; it; it = it->next) {
 103         if (!func(it->data, data)) return;
 104         client_foreach_transient(it->data, func, data);
 105     }
 106 }
 107
 108 void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, void *data)
 109 {
 110     if (self->transient_for) {
 111         if (self->transient_for != OB_TRAN_GROUP) {
 112             if (!func(self->transient_for, data)) return;
 113             client_foreach_ancestor(self->transient_for, func, data);
 114         } else {
 115             GSList *it;
 116
 117             for (it = self->group->members; it; it = it->next)
 118                 if (it->data != self &&
 119                     !((ObClient*)it->data)->transient_for) {
 120                     if (!func(it->data, data)) return;
 121                     client_foreach_ancestor(it->data, func, data);
 122                 }
 123         }
 124     }
 125 }
 126 */
 127
 128 void client_manage_all()
 129 {
 130     unsigned int i, j, nchild;
 131     Window w, *children;
 132     XWMHints *wmhints;
 133     XWindowAttributes attrib;
 134
 135     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 136                &w, &w, &children, &nchild);
 137
 138     /* remove all icon windows from the list */
 139     for (i = 0; i < nchild; i++) {
 140         if (children[i] == None) continue;
 141         wmhints = XGetWMHints(ob_display, children[i]);
 142         if (wmhints) {
 143             if ((wmhints->flags & IconWindowHint) &&
 144                 (wmhints->icon_window != children[i]))
 145                 for (j = 0; j < nchild; j++)
 146                     if (children[j] == wmhints->icon_window) {
 147                         children[j] = None;
 148                         break;
 149                     }
 150             XFree(wmhints);
 151         }
 152     }
 153
 154     for (i = 0; i < nchild; ++i) {
 155         if (children[i] == None)
 156             continue;
 157         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 158             if (attrib.override_redirect) continue;
 159
 160             if (attrib.map_state != IsUnmapped)
 161                 client_manage(children[i]);
 162         }
 163     }
 164     XFree(children);
 165
 166     /* stack them as they were on startup!
 167        why with stacking_lower? Why, because then windows who aren't in the
 168        stacking list are on the top where you can see them instead of buried
 169        at the bottom! */
 170     for (i = startup_stack_size; i > 0; --i) {
 171         ObWindow *obw;
 172
 173         w = startup_stack_order[i-1];
 174         obw = g_hash_table_lookup(window_map, &w);
 175         if (obw) {
 176             g_assert(WINDOW_IS_CLIENT(obw));
 177             stacking_lower(CLIENT_AS_WINDOW(obw));
 178         }
 179     }
 180     g_free(startup_stack_order);
 181     startup_stack_order = NULL;
 182     startup_stack_size = 0;
 183
 184     if (config_focus_new) {
 185         ObWindow *active;
 186
 187         active = g_hash_table_lookup(window_map, &startup_active);
 188         if (active) {
 189             g_assert(WINDOW_IS_CLIENT(active));
 190             if (!client_focus(WINDOW_AS_CLIENT(active)))
 191                 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
 192         } else
 193             focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
 194     }
 195 }
 196
 197 void client_manage(Window window)
 198 {
 199     ObClient *self;
 200     XEvent e;
 201     XWindowAttributes attrib;
 202     XSetWindowAttributes attrib_set;
 203     XWMHints *wmhint;
 204     gboolean activate = FALSE;
 205
 206     grab_server(TRUE);
 207
 208     /* check if it has already been unmapped by the time we started mapping
 209        the grab does a sync so we don't have to here */
 210     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 211         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 212         XPutBackEvent(ob_display, &e);
 213
 214         grab_server(FALSE);
 215         return; /* don't manage it */
 216     }
 217
 218     /* make sure it isn't an override-redirect window */
 219     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 220         attrib.override_redirect) {
 221         grab_server(FALSE);
 222         return; /* don't manage it */
 223     }
 224
 225     /* is the window a docking app */
 226     if ((wmhint = XGetWMHints(ob_display, window))) {
 227         if ((wmhint->flags & StateHint) &&
 228             wmhint->initial_state == WithdrawnState) {
 229             dock_add(window, wmhint);
 230             grab_server(FALSE);
 231             XFree(wmhint);
 232             return;
 233         }
 234         XFree(wmhint);
 235     }
 236
 237     ob_debug("Managing window: %lx\n", window);
 238
 239     /* choose the events we want to receive on the CLIENT window */
 240     attrib_set.event_mask = CLIENT_EVENTMASK;
 241     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 242     XChangeWindowAttributes(ob_display, window,
 243                             CWEventMask|CWDontPropagate, &attrib_set);
 244
 245
 246     /* create the ObClient struct, and populate it from the hints on the
 247        window */
 248     self = g_new0(ObClient, 1);
 249     self->obwin.type = Window_Client;
 250     self->window = window;
 251
 252     client_get_all(self);
 253     client_restore_session_state(self);
 254
 255     client_change_state(self);
 256
 257     /* remove the client's border (and adjust re gravity) */
 258     client_toggle_border(self, FALSE);
 259
 260     /* specify that if we exit, the window should not be destroyed and should
 261        be reparented back to root automatically */
 262     XChangeSaveSet(ob_display, window, SetModeInsert);
 263
 264     /* create the decoration frame for the client window */
 265     self->frame = frame_new();
 266
 267     frame_grab_client(self->frame, self);
 268
 269     grab_server(FALSE);
 270
 271     client_apply_startup_state(self);
 272
 273     /* update the focus lists */
 274     focus_order_add_new(self);
 275
 276     stacking_add(CLIENT_AS_WINDOW(self));
 277     client_restore_session_stacking(self);
 278
 279     /* focus the new window? */
 280     if (ob_state() != OB_STATE_STARTING && config_focus_new &&
 281         /* note the check against Type_Normal/Dialog, not client_normal(self),
 282            which would also include other types. in this case we want more
 283            strict rules for focus */
 284         (self->type == OB_CLIENT_TYPE_NORMAL ||
 285          self->type == OB_CLIENT_TYPE_DIALOG))
 286     {
 287         activate = TRUE;
 288 #if 0
 289         if (self->desktop != screen_desktop) {
 290             /* activate the window */
 291             activate = TRUE;
 292         } else {
 293             gboolean group_foc = FALSE;
 294
 295             if (self->group) {
 296                 GSList *it;
 297
 298                 for (it = self->group->members; it; it = it->next)
 299                 {
 300                     if (client_focused(it->data))
 301                     {
 302                         group_foc = TRUE;
 303                         break;
 304                     }
 305                 }
 306             }
 307             if ((group_foc ||
 308                  (!self->transient_for && (!self->group ||
 309                                            !self->group->members->next))) ||
 310                 client_search_focus_tree_full(self) ||
 311                 !focus_client ||
 312                 !client_normal(focus_client))
 313             {
 314                 /* activate the window */
 315                 activate = TRUE;
 316             }
 317         }
 318 #endif
 319     }
 320
 321     if (ob_state() == OB_STATE_RUNNING) {
 322         int x = self->area.x, ox = x;
 323         int y = self->area.y, oy = y;
 324
 325         place_client(self, &x, &y);
 326
 327         /* make sure the window is visible */
 328         client_find_onscreen(self, &x, &y,
 329                              self->frame->area.width,
 330                              self->frame->area.height,
 331                              client_normal(self));
 332
 333         if (x != ox || y != oy)
 334             client_move(self, x, y);
 335     }
 336
 337     client_showhide(self);
 338
 339     /* use client_focus instead of client_activate cuz client_activate does
 340        stuff like switch desktops etc and I'm not interested in all that when
 341        a window maps since its not based on an action from the user like
 342        clicking a window to activate is. so keep the new window out of the way
 343        but do focus it. */
 344     if (activate) client_focus(self);
 345
 346     /* client_activate does this but we aret using it so we have to do it
 347        here as well */
 348     if (screen_showing_desktop)
 349         screen_show_desktop(FALSE);
 350
 351     /* add to client list/map */
 352     client_list = g_list_append(client_list, self);
 353     g_hash_table_insert(window_map, &self->window, self);
 354
 355     /* this has to happen after we're in the client_list */
 356     screen_update_areas();
 357
 358     /* update the list hints */
 359     client_set_list();
 360
 361     keyboard_grab_for_client(self, TRUE);
 362     mouse_grab_for_client(self, TRUE);
 363
 364     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
 365 }
 366
 367 void client_unmanage_all()
 368 {
 369     while (client_list != NULL)
 370         client_unmanage(client_list->data);
 371 }
 372
 373 void client_unmanage(ObClient *self)
 374 {
 375     guint j;
 376     GSList *it;
 377
 378     ob_debug("Unmanaging window: %lx (%s)\n", self->window, self->class);
 379
 380     g_assert(self != NULL);
 381
 382     keyboard_grab_for_client(self, FALSE);
 383     mouse_grab_for_client(self, FALSE);
 384
 385     /* remove the window from our save set */
 386     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 387
 388     /* we dont want events no more */
 389     XSelectInput(ob_display, self->window, NoEventMask);
 390
 391     frame_hide(self->frame);
 392
 393     client_list = g_list_remove(client_list, self);
 394     stacking_remove(self);
 395     g_hash_table_remove(window_map, &self->window);
 396
 397     /* update the focus lists */
 398     focus_order_remove(self);
 399
 400     /* once the client is out of the list, update the struts to remove it's
 401        influence */
 402     screen_update_areas();
 403
 404     /* tell our parent(s) that we're gone */
 405     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 406         GSList *it;
 407
 408         for (it = self->group->members; it; it = it->next)
 409             if (it->data != self)
 410                 ((ObClient*)it->data)->transients =
 411                     g_slist_remove(((ObClient*)it->data)->transients, self);
 412     } else if (self->transient_for) {        /* transient of window */
 413         self->transient_for->transients =
 414             g_slist_remove(self->transient_for->transients, self);
 415     }
 416
 417     /* tell our transients that we're gone */
 418     for (it = self->transients; it != NULL; it = it->next) {
 419         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 420             ((ObClient*)it->data)->transient_for = NULL;
 421             client_calc_layer(it->data);
 422         }
 423     }
 424
 425     for (it = client_destructors; it; it = g_slist_next(it)) {
 426         GDestroyNotify func = (GDestroyNotify) it->data;
 427         func(self);
 428     }
 429
 430     if (focus_client == self) {
 431         XEvent e;
 432
 433         /* focus the last focused window on the desktop, and ignore enter
 434            events from the unmap so it doesnt mess with the focus */
 435         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
 436         client_unfocus(self);
 437     }
 438
 439     /* remove from its group */
 440     if (self->group) {
 441         group_remove(self->group, self);
 442         self->group = NULL;
 443     }
 444
 445     /* give the client its border back */
 446     client_toggle_border(self, TRUE);
 447
 448     /* reparent the window out of the frame, and free the frame */
 449     frame_release_client(self->frame, self);
 450     self->frame = NULL;
 451
 452     if (ob_state() != OB_STATE_EXITING) {
 453         /* these values should not be persisted across a window
 454            unmapping/mapping */
 455         PROP_ERASE(self->window, net_wm_desktop);
 456         PROP_ERASE(self->window, net_wm_state);
 457         PROP_ERASE(self->window, wm_state);
 458     } else {
 459         /* if we're left in an iconic state, the client wont be mapped. this is
 460            bad, since we will no longer be managing the window on restart */
 461         if (self->iconic)
 462             XMapWindow(ob_display, self->window);
 463     }
 464
 465
 466     ob_debug("Unmanaged window 0x%lx\n", self->window);
 467
 468     /* free all data allocated in the client struct */
 469     g_slist_free(self->transients);
 470     for (j = 0; j < self->nicons; ++j)
 471         g_free(self->icons[j].data);
 472     if (self->nicons > 0)
 473         g_free(self->icons);
 474     g_free(self->title);
 475     g_free(self->icon_title);
 476     g_free(self->name);
 477     g_free(self->class);
 478     g_free(self->role);
 479     g_free(self);
 480
 481     /* update the list hints */
 482     client_set_list();
 483 }
 484
 485 static void client_urgent_notify(ObClient *self)
 486 {
 487     if (self->urgent)
 488         frame_flash_start(self->frame);
 489     else
 490         frame_flash_stop(self->frame);
 491 }
 492
 493 static void client_restore_session_state(ObClient *self)
 494 {
 495     GList *it;
 496
 497     if (!(it = session_state_find(self)))
 498         return;
 499
 500     self->session = it->data;
 501
 502     RECT_SET(self->area, self->session->x, self->session->y,
 503              self->session->w, self->session->h);
 504     self->positioned = TRUE;
 505     XResizeWindow(ob_display, self->window,
 506                   self->session->w, self->session->h);
 507
 508     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 509                      self->session->desktop :
 510                      MIN(screen_num_desktops - 1, self->session->desktop));
 511     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 512
 513     self->shaded = self->session->shaded;
 514     self->iconic = self->session->iconic;
 515     self->skip_pager = self->session->skip_pager;
 516     self->skip_taskbar = self->session->skip_taskbar;
 517     self->fullscreen = self->session->fullscreen;
 518     self->above = self->session->above;
 519     self->below = self->session->below;
 520     self->max_horz = self->session->max_horz;
 521     self->max_vert = self->session->max_vert;
 522 }
 523
 524 static void client_restore_session_stacking(ObClient *self)
 525 {
 526     GList *it;
 527
 528     if (!self->session) return;
 529
 530     it = g_list_find(session_saved_state, self->session);
 531     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
 532         GList *cit;
 533
 534         for (cit = client_list; cit; cit = g_list_next(cit))
 535             if (session_state_cmp(it->data, cit->data))
 536                 break;
 537         if (cit) {
 538             client_calc_layer(self);
 539             stacking_below(CLIENT_AS_WINDOW(self),
 540                            CLIENT_AS_WINDOW(cit->data));
 541             break;
 542         }
 543     }
 544 }
 545
 546 void client_move_onscreen(ObClient *self, gboolean rude)
 547 {
 548     int x = self->area.x;
 549     int y = self->area.y;
 550     if (client_find_onscreen(self, &x, &y,
 551                              self->frame->area.width,
 552                              self->frame->area.height, rude)) {
 553         client_move(self, x, y);
 554     }
 555 }
 556
 557 gboolean client_find_onscreen(ObClient *self, int *x, int *y, int w, int h,
 558                               gboolean rude)
 559 {
 560     Rect *a;
 561     int ox = *x, oy = *y;
 562
 563     frame_client_gravity(self->frame, x, y); /* get where the frame
 564                                                 would be */
 565
 566     /* XXX watch for xinerama dead areas */
 567
 568     a = screen_area(self->desktop);
 569     if (!self->strut.right && *x >= a->x + a->width - 1)
 570         *x = a->x + a->width - self->frame->area.width;
 571     if (!self->strut.bottom && *y >= a->y + a->height - 1)
 572         *y = a->y + a->height - self->frame->area.height;
 573     if (!self->strut.left && *x + self->frame->area.width - 1 < a->x)
 574         *x = a->x;
 575     if (!self->strut.top && *y + self->frame->area.height - 1 < a->y)
 576         *y = a->y;
 577
 578     if (rude) {
 579         /* this is my MOZILLA BITCHSLAP. oh ya it fucking feels good.
 580            Java can suck it too. */
 581
 582         /* dont let windows map/move into the strut unless they
 583            are bigger than the available area */
 584         if (w <= a->width) {
 585             if (!self->strut.left && *x < a->x) *x = a->x;
 586             if (!self->strut.right && *x + w > a->x + a->width)
 587                 *x = a->x + a->width - w;
 588         }
 589         if (h <= a->height) {
 590             if (!self->strut.top && *y < a->y) *y = a->y;
 591             if (!self->strut.bottom && *y + h > a->y + a->height)
 592                 *y = a->y + a->height - h;
 593         }
 594     }
 595
 596     frame_frame_gravity(self->frame, x, y); /* get where the client
 597                                                should be */
 598
 599     return ox != *x || oy != *y;
 600 }
 601
 602 static void client_toggle_border(ObClient *self, gboolean show)
 603 {
 604     /* adjust our idea of where the client is, based on its border. When the
 605        border is removed, the client should now be considered to be in a
 606        different position.
 607        when re-adding the border to the client, the same operation needs to be
 608        reversed. */
 609     int oldx = self->area.x, oldy = self->area.y;
 610     int x = oldx, y = oldy;
 611     switch(self->gravity) {
 612     default:
 613     case NorthWestGravity:
 614     case WestGravity:
 615     case SouthWestGravity:
 616         break;
 617     case NorthEastGravity:
 618     case EastGravity:
 619     case SouthEastGravity:
 620         if (show) x -= self->border_width * 2;
 621         else      x += self->border_width * 2;
 622         break;
 623     case NorthGravity:
 624     case SouthGravity:
 625     case CenterGravity:
 626     case ForgetGravity:
 627     case StaticGravity:
 628         if (show) x -= self->border_width;
 629         else      x += self->border_width;
 630         break;
 631     }
 632     switch(self->gravity) {
 633     default:
 634     case NorthWestGravity:
 635     case NorthGravity:
 636     case NorthEastGravity:
 637         break;
 638     case SouthWestGravity:
 639     case SouthGravity:
 640     case SouthEastGravity:
 641         if (show) y -= self->border_width * 2;
 642         else      y += self->border_width * 2;
 643         break;
 644     case WestGravity:
 645     case EastGravity:
 646     case CenterGravity:
 647     case ForgetGravity:
 648     case StaticGravity:
 649         if (show) y -= self->border_width;
 650         else      y += self->border_width;
 651         break;
 652     }
 653     self->area.x = x;
 654     self->area.y = y;
 655
 656     if (show) {
 657         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 658
 659         /* move the client so it is back it the right spot _with_ its
 660            border! */
 661         if (x != oldx || y != oldy)
 662             XMoveWindow(ob_display, self->window, x, y);
 663     } else
 664         XSetWindowBorderWidth(ob_display, self->window, 0);
 665 }
 666
 667
 668 static void client_get_all(ObClient *self)
 669 {
 670     /* non-zero defaults */
 671     self->title_count = 1;
 672     self->wmstate = NormalState;
 673     self->layer = -1;
 674     self->decorate = TRUE;
 675
 676     client_get_area(self);
 677     client_update_transient_for(self);
 678     client_update_wmhints(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_strut(self);
 699     client_update_icons(self);
 700 }
 701
 702 static void client_get_area(ObClient *self)
 703 {
 704     XWindowAttributes wattrib;
 705     Status ret;
 706
 707     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 708     g_assert(ret != BadWindow);
 709
 710     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 711     self->border_width = wattrib.border_width;
 712 }
 713
 714 static void client_get_desktop(ObClient *self)
 715 {
 716     guint32 d = screen_num_desktops; /* an always-invalid value */
 717
 718     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
 719         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 720             self->desktop = screen_num_desktops - 1;
 721         else
 722             self->desktop = d;
 723     } else {
 724         gboolean trdesk = FALSE;
 725
 726        if (self->transient_for) {
 727            if (self->transient_for != OB_TRAN_GROUP) {
 728                 self->desktop = self->transient_for->desktop;
 729                 trdesk = TRUE;
 730             } else {
 731                 GSList *it;
 732
 733                 for (it = self->group->members; it; it = it->next)
 734                     if (it->data != self &&
 735                         !((ObClient*)it->data)->transient_for) {
 736                         self->desktop = ((ObClient*)it->data)->desktop;
 737                         trdesk = TRUE;
 738                         break;
 739                     }
 740             }
 741        }
 742        if (!trdesk)
 743            /* defaults to the current desktop */
 744            self->desktop = screen_desktop;
 745     }
 746     if (self->desktop != d) {
 747         /* set the desktop hint, to make sure that it always exists */
 748         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 749     }
 750 }
 751
 752 static void client_get_state(ObClient *self)
 753 {
 754     guint32 *state;
 755     guint num;
 756
 757     self->modal = self->shaded = self->max_horz = self->max_vert =
 758         self->fullscreen = self->above = self->below = self->iconic =
 759         self->skip_taskbar = self->skip_pager = FALSE;
 760
 761     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
 762         gulong i;
 763         for (i = 0; i < num; ++i) {
 764             if (state[i] == prop_atoms.net_wm_state_modal)
 765                 self->modal = TRUE;
 766             else if (state[i] == prop_atoms.net_wm_state_shaded)
 767                 self->shaded = TRUE;
 768             else if (state[i] == prop_atoms.net_wm_state_hidden)
 769                 self->iconic = TRUE;
 770             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 771                 self->skip_taskbar = TRUE;
 772             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 773                 self->skip_pager = TRUE;
 774             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 775                 self->fullscreen = TRUE;
 776             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 777                 self->max_vert = TRUE;
 778             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 779                 self->max_horz = TRUE;
 780             else if (state[i] == prop_atoms.net_wm_state_above)
 781                 self->above = TRUE;
 782             else if (state[i] == prop_atoms.net_wm_state_below)
 783                 self->below = TRUE;
 784         }
 785
 786         g_free(state);
 787     }
 788 }
 789
 790 static void client_get_shaped(ObClient *self)
 791 {
 792     self->shaped = FALSE;
 793 #ifdef   SHAPE
 794     if (extensions_shape) {
 795         int foo;
 796         guint ufoo;
 797         int s;
 798
 799         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 800
 801         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 802                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 803                            &ufoo);
 804         self->shaped = (s != 0);
 805     }
 806 #endif
 807 }
 808
 809 void client_update_transient_for(ObClient *self)
 810 {
 811     Window t = None;
 812     ObClient *target = NULL;
 813
 814     if (XGetTransientForHint(ob_display, self->window, &t)) {
 815         self->transient = TRUE;
 816         if (t != self->window) { /* cant be transient to itself! */
 817             target = g_hash_table_lookup(window_map, &t);
 818             /* if this happens then we need to check for it*/
 819             g_assert(target != self);
 820             g_assert(!target || WINDOW_IS_CLIENT(target));
 821
 822             if (!target && self->group) {
 823                 /* not transient to a client, see if it is transient for a
 824                    group */
 825                 if (t == self->group->leader ||
 826                     t == None ||
 827                     t == RootWindow(ob_display, ob_screen)) {
 828                     /* window is a transient for its group! */
 829                     target = OB_TRAN_GROUP;
 830                 }
 831             }
 832         }
 833     } else
 834         self->transient = FALSE;
 835
 836     /* if anything has changed... */
 837     if (target != self->transient_for) {
 838         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 839             GSList *it;
 840
 841             /* remove from old parents */
 842             for (it = self->group->members; it; it = g_slist_next(it)) {
 843                 ObClient *c = it->data;
 844                 if (c != self && !c->transient_for)
 845                     c->transients = g_slist_remove(c->transients, self);
 846             }
 847         } else if (self->transient_for != NULL) { /* transient of window */
 848             /* remove from old parent */
 849             self->transient_for->transients =
 850                 g_slist_remove(self->transient_for->transients, self);
 851         }
 852         self->transient_for = target;
 853         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 854             GSList *it;
 855
 856             /* add to new parents */
 857             for (it = self->group->members; it; it = g_slist_next(it)) {
 858                 ObClient *c = it->data;
 859                 if (c != self && !c->transient_for)
 860                     c->transients = g_slist_append(c->transients, self);
 861             }
 862
 863             /* remove all transients which are in the group, that causes
 864                circlular pointer hell of doom */
 865             for (it = self->group->members; it; it = g_slist_next(it)) {
 866                 GSList *sit, *next;
 867                 for (sit = self->transients; sit; sit = next) {
 868                     next = g_slist_next(sit);
 869                     if (sit->data == it->data)
 870                         self->transients =
 871                             g_slist_delete_link(self->transients, sit);
 872                 }
 873             }
 874         } else if (self->transient_for != NULL) { /* transient of window */
 875             /* add to new parent */
 876             self->transient_for->transients =
 877                 g_slist_append(self->transient_for->transients, self);
 878         }
 879     }
 880 }
 881
 882 static void client_get_mwm_hints(ObClient *self)
 883 {
 884     guint num;
 885     guint32 *hints;
 886
 887     self->mwmhints.flags = 0; /* default to none */
 888
 889     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
 890                     &hints, &num)) {
 891         if (num >= OB_MWM_ELEMENTS) {
 892             self->mwmhints.flags = hints[0];
 893             self->mwmhints.functions = hints[1];
 894             self->mwmhints.decorations = hints[2];
 895         }
 896         g_free(hints);
 897     }
 898 }
 899
 900 void client_get_type(ObClient *self)
 901 {
 902     guint num, i;
 903     guint32 *val;
 904
 905     self->type = -1;
 906
 907     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
 908         /* use the first value that we know about in the array */
 909         for (i = 0; i < num; ++i) {
 910             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 911                 self->type = OB_CLIENT_TYPE_DESKTOP;
 912             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 913                 self->type = OB_CLIENT_TYPE_DOCK;
 914             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 915                 self->type = OB_CLIENT_TYPE_TOOLBAR;
 916             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 917                 self->type = OB_CLIENT_TYPE_MENU;
 918             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 919                 self->type = OB_CLIENT_TYPE_UTILITY;
 920             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 921                 self->type = OB_CLIENT_TYPE_SPLASH;
 922             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 923                 self->type = OB_CLIENT_TYPE_DIALOG;
 924             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 925                 self->type = OB_CLIENT_TYPE_NORMAL;
 926             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 927                 /* prevent this window from getting any decor or
 928                    functionality */
 929                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
 930                                          OB_MWM_FLAG_DECORATIONS);
 931                 self->mwmhints.decorations = 0;
 932                 self->mwmhints.functions = 0;
 933             }
 934             if (self->type != (ObClientType) -1)
 935                 break; /* grab the first legit type */
 936         }
 937         g_free(val);
 938     }
 939
 940     if (self->type == (ObClientType) -1) {
 941         /*the window type hint was not set, which means we either classify
 942           ourself as a normal window or a dialog, depending on if we are a
 943           transient. */
 944         if (self->transient)
 945             self->type = OB_CLIENT_TYPE_DIALOG;
 946         else
 947             self->type = OB_CLIENT_TYPE_NORMAL;
 948     }
 949 }
 950
 951 void client_update_protocols(ObClient *self)
 952 {
 953     guint32 *proto;
 954     guint num_return, i;
 955
 956     self->focus_notify = FALSE;
 957     self->delete_window = FALSE;
 958
 959     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
 960         for (i = 0; i < num_return; ++i) {
 961             if (proto[i] == prop_atoms.wm_delete_window) {
 962                 /* this means we can request the window to close */
 963                 self->delete_window = TRUE;
 964             } else if (proto[i] == prop_atoms.wm_take_focus)
 965                 /* if this protocol is requested, then the window will be
 966                    notified whenever we want it to receive focus */
 967                 self->focus_notify = TRUE;
 968         }
 969         g_free(proto);
 970     }
 971 }
 972
 973 static void client_get_gravity(ObClient *self)
 974 {
 975     XWindowAttributes wattrib;
 976     Status ret;
 977
 978     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 979     g_assert(ret != BadWindow);
 980     self->gravity = wattrib.win_gravity;
 981 }
 982
 983 void client_update_normal_hints(ObClient *self)
 984 {
 985     XSizeHints size;
 986     long ret;
 987     int oldgravity = self->gravity;
 988
 989     /* defaults */
 990     self->min_ratio = 0.0f;
 991     self->max_ratio = 0.0f;
 992     SIZE_SET(self->size_inc, 1, 1);
 993     SIZE_SET(self->base_size, 0, 0);
 994     SIZE_SET(self->min_size, 0, 0);
 995     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
 996
 997     /* get the hints from the window */
 998     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
 999         self->positioned = !!(size.flags & (PPosition|USPosition));
1000
1001         if (size.flags & PWinGravity) {
1002             self->gravity = size.win_gravity;
1003
1004             /* if the client has a frame, i.e. has already been mapped and
1005                is changing its gravity */
1006             if (self->frame && self->gravity != oldgravity) {
1007                 /* move our idea of the client's position based on its new
1008                    gravity */
1009                 self->area.x = self->frame->area.x;
1010                 self->area.y = self->frame->area.y;
1011                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
1012             }
1013         }
1014
1015         if (size.flags & PAspect) {
1016             if (size.min_aspect.y)
1017                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
1018             if (size.max_aspect.y)
1019                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
1020         }
1021
1022         if (size.flags & PMinSize)
1023             SIZE_SET(self->min_size, size.min_width, size.min_height);
1024
1025         if (size.flags & PMaxSize)
1026             SIZE_SET(self->max_size, size.max_width, size.max_height);
1027
1028         if (size.flags & PBaseSize)
1029             SIZE_SET(self->base_size, size.base_width, size.base_height);
1030
1031         if (size.flags & PResizeInc)
1032             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1033     }
1034 }
1035
1036 void client_setup_decor_and_functions(ObClient *self)
1037 {
1038     /* start with everything (cept fullscreen) */
1039     self->decorations =
1040         (OB_FRAME_DECOR_TITLEBAR |
1041          (ob_rr_theme->show_handle ? OB_FRAME_DECOR_HANDLE : 0) |
1042          OB_FRAME_DECOR_GRIPS |
1043          OB_FRAME_DECOR_BORDER |
1044          OB_FRAME_DECOR_ICON |
1045          OB_FRAME_DECOR_ALLDESKTOPS |
1046          OB_FRAME_DECOR_ICONIFY |
1047          OB_FRAME_DECOR_MAXIMIZE |
1048          OB_FRAME_DECOR_SHADE);
1049     self->functions =
1050         (OB_CLIENT_FUNC_RESIZE |
1051          OB_CLIENT_FUNC_MOVE |
1052          OB_CLIENT_FUNC_ICONIFY |
1053          OB_CLIENT_FUNC_MAXIMIZE |
1054          OB_CLIENT_FUNC_SHADE);
1055     if (self->delete_window) {
1056         self->functions |= OB_CLIENT_FUNC_CLOSE;
1057         self->decorations |= OB_FRAME_DECOR_CLOSE;
1058     }
1059
1060     if (!(self->min_size.width < self->max_size.width ||
1061           self->min_size.height < self->max_size.height))
1062         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1063
1064     switch (self->type) {
1065     case OB_CLIENT_TYPE_NORMAL:
1066         /* normal windows retain all of the possible decorations and
1067            functionality, and are the only windows that you can fullscreen */
1068         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1069         break;
1070
1071     case OB_CLIENT_TYPE_DIALOG:
1072     case OB_CLIENT_TYPE_UTILITY:
1073         /* these windows cannot be maximized */
1074         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1075         break;
1076
1077     case OB_CLIENT_TYPE_MENU:
1078     case OB_CLIENT_TYPE_TOOLBAR:
1079         /* these windows get less functionality */
1080         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1081         break;
1082
1083     case OB_CLIENT_TYPE_DESKTOP:
1084     case OB_CLIENT_TYPE_DOCK:
1085     case OB_CLIENT_TYPE_SPLASH:
1086         /* none of these windows are manipulated by the window manager */
1087         self->decorations = 0;
1088         self->functions = 0;
1089         break;
1090     }
1091
1092     /* Mwm Hints are applied subtractively to what has already been chosen for
1093        decor and functionality */
1094     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1095         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1096             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1097                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1098                 /* if the mwm hints request no handle or title, then all
1099                    decorations are disabled */
1100                 self->decorations = 0;
1101         }
1102     }
1103
1104     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1105         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1106             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1107                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1108             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1109                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1110             /* dont let mwm hints kill any buttons
1111             if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1112                 self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1113             if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1114                 self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1115             */
1116             /* dont let mwm hints kill the close button
1117                if (! (self->mwmhints.functions & MwmFunc_Close))
1118                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1119         }
1120     }
1121
1122     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1123         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1124     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1125         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1126     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1127         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1128
1129     /* can't maximize without moving/resizing */
1130     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1131           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1132           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1133         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1134         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1135     }
1136
1137     /* kill the handle on fully maxed windows */
1138     if (self->max_vert && self->max_horz)
1139         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1140
1141     /* finally, the user can have requested no decorations, which overrides
1142        everything */
1143     if (!self->decorate)
1144         self->decorations = OB_FRAME_DECOR_BORDER;
1145
1146     /* if we don't have a titlebar, then we cannot shade! */
1147     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1148         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1149
1150     /* now we need to check against rules for the client's current state */
1151     if (self->fullscreen) {
1152         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1153                             OB_CLIENT_FUNC_FULLSCREEN |
1154                             OB_CLIENT_FUNC_ICONIFY);
1155         self->decorations = 0;
1156     }
1157
1158     client_change_allowed_actions(self);
1159
1160     if (self->frame) {
1161         /* adjust the client's decorations, etc. */
1162         client_reconfigure(self);
1163     } else {
1164         /* this makes sure that these windows appear on all desktops */
1165         if (self->type == OB_CLIENT_TYPE_DESKTOP &&
1166             self->desktop != DESKTOP_ALL)
1167         {
1168             self->desktop = DESKTOP_ALL;
1169         }
1170     }
1171 }
1172
1173 static void client_change_allowed_actions(ObClient *self)
1174 {
1175     guint32 actions[9];
1176     int num = 0;
1177
1178     /* desktop windows are kept on all desktops */
1179     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1180         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1181
1182     if (self->functions & OB_CLIENT_FUNC_SHADE)
1183         actions[num++] = prop_atoms.net_wm_action_shade;
1184     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1185         actions[num++] = prop_atoms.net_wm_action_close;
1186     if (self->functions & OB_CLIENT_FUNC_MOVE)
1187         actions[num++] = prop_atoms.net_wm_action_move;
1188     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1189         actions[num++] = prop_atoms.net_wm_action_minimize;
1190     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1191         actions[num++] = prop_atoms.net_wm_action_resize;
1192     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1193         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1194     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1195         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1196         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1197     }
1198
1199     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1200
1201     /* make sure the window isn't breaking any rules now */
1202
1203     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1204         if (self->frame) client_shade(self, FALSE);
1205         else self->shaded = FALSE;
1206     }
1207     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1208         if (self->frame) client_iconify(self, FALSE, TRUE);
1209         else self->iconic = FALSE;
1210     }
1211     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1212         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1213         else self->fullscreen = FALSE;
1214     }
1215     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1216                                                          self->max_vert)) {
1217         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1218         else self->max_vert = self->max_horz = FALSE;
1219     }
1220 }
1221
1222 void client_reconfigure(ObClient *self)
1223 {
1224     /* by making this pass FALSE for user, we avoid the emacs event storm where
1225        every configurenotify causes an update in its normal hints, i think this
1226        is generally what we want anyways... */
1227     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1228                      self->area.width, self->area.height, FALSE, TRUE);
1229 }
1230
1231 void client_update_wmhints(ObClient *self)
1232 {
1233     XWMHints *hints;
1234     gboolean ur = FALSE;
1235     GSList *it;
1236
1237     /* assume a window takes input if it doesnt specify */
1238     self->can_focus = TRUE;
1239
1240     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1241         if (hints->flags & InputHint)
1242             self->can_focus = hints->input;
1243
1244         /* only do this when first managing the window *AND* when we aren't
1245            starting up! */
1246         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1247             if (hints->flags & StateHint)
1248                 self->iconic = hints->initial_state == IconicState;
1249
1250         if (hints->flags & XUrgencyHint)
1251             ur = TRUE;
1252
1253         if (!(hints->flags & WindowGroupHint))
1254             hints->window_group = None;
1255
1256         /* did the group state change? */
1257         if (hints->window_group !=
1258             (self->group ? self->group->leader : None)) {
1259             /* remove from the old group if there was one */
1260             if (self->group != NULL) {
1261                 /* remove transients of the group */
1262                 for (it = self->group->members; it; it = it->next)
1263                     self->transients = g_slist_remove(self->transients,
1264                                                       it->data);
1265                 group_remove(self->group, self);
1266                 self->group = NULL;
1267             }
1268             if (hints->window_group != None) {
1269                 self->group = group_add(hints->window_group, self);
1270
1271                 /* i can only have transients from the group if i am not
1272                    transient myself */
1273                 if (!self->transient_for) {
1274                     /* add other transients of the group that are already
1275                        set up */
1276                     for (it = self->group->members; it; it = it->next) {
1277                         ObClient *c = it->data;
1278                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1279                             self->transients =
1280                                 g_slist_append(self->transients, c);
1281                     }
1282                 }
1283             }
1284
1285             /* because the self->transient flag wont change from this call,
1286                we don't need to update the window's type and such, only its
1287                transient_for, and the transients lists of other windows in
1288                the group may be affected */
1289             client_update_transient_for(self);
1290         }
1291
1292         /* the WM_HINTS can contain an icon */
1293         client_update_icons(self);
1294
1295         XFree(hints);
1296     }
1297
1298     if (ur != self->urgent) {
1299         self->urgent = ur;
1300         ob_debug("Urgent Hint for 0x%lx: %s\n", self->window,
1301                  ur ? "ON" : "OFF");
1302         /* fire the urgent callback if we're mapped, otherwise, wait until
1303            after we're mapped */
1304         if (self->frame)
1305             client_urgent_notify(self);
1306     }
1307 }
1308
1309 void client_update_title(ObClient *self)
1310 {
1311     GList *it;
1312     guint32 nums;
1313     guint i;
1314     char *data = NULL;
1315     gboolean read_title;
1316
1317     g_free(self->title);
1318
1319     /* try netwm */
1320     if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1321         /* try old x stuff */
1322         if (!PROP_GETS(self->window, wm_name, locale, &data))
1323             data = g_strdup("Unnamed Window");
1324
1325     /* look for duplicates and append a number */
1326     nums = 0;
1327     for (it = client_list; it; it = it->next)
1328         if (it->data != self) {
1329             ObClient *c = it->data;
1330             if (0 == strncmp(c->title, data, strlen(data)))
1331                 nums |= 1 << c->title_count;
1332         }
1333     /* find first free number */
1334     for (i = 1; i <= 32; ++i)
1335         if (!(nums & (1 << i))) {
1336             if (self->title_count == 1 || i == 1)
1337                 self->title_count = i;
1338             break;
1339         }
1340     /* dont display the number for the first window */
1341     if (self->title_count > 1) {
1342         char *vdata, *ndata;
1343         ndata = g_strdup_printf(" - [%u]", self->title_count);
1344         vdata = g_strconcat(data, ndata, NULL);
1345         g_free(ndata);
1346         g_free(data);
1347         data = vdata;
1348     }
1349
1350     PROP_SETS(self->window, net_wm_visible_name, data);
1351
1352     self->title = data;
1353
1354     if (self->frame)
1355         frame_adjust_title(self->frame);
1356
1357     /* update the icon title */
1358     data = NULL;
1359     g_free(self->icon_title);
1360
1361     read_title = TRUE;
1362     /* try netwm */
1363     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1364         /* try old x stuff */
1365         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1366             data = g_strdup(self->title);
1367             read_title = FALSE;
1368         }
1369
1370     /* append the title count, dont display the number for the first window */
1371     if (read_title && self->title_count > 1) {
1372         char *vdata, *ndata;
1373         ndata = g_strdup_printf(" - [%u]", self->title_count);
1374         vdata = g_strconcat(data, ndata, NULL);
1375         g_free(ndata);
1376         g_free(data);
1377         data = vdata;
1378     }
1379
1380     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1381
1382     self->icon_title = data;
1383 }
1384
1385 void client_update_class(ObClient *self)
1386 {
1387     char **data;
1388     char *s;
1389
1390     if (self->name) g_free(self->name);
1391     if (self->class) g_free(self->class);
1392     if (self->role) g_free(self->role);
1393
1394     self->name = self->class = self->role = NULL;
1395
1396     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1397         if (data[0]) {
1398             self->name = g_strdup(data[0]);
1399             if (data[1])
1400                 self->class = g_strdup(data[1]);
1401         }
1402         g_strfreev(data);
1403     }
1404
1405     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1406         self->role = g_strdup(s);
1407
1408     if (self->name == NULL) self->name = g_strdup("");
1409     if (self->class == NULL) self->class = g_strdup("");
1410     if (self->role == NULL) self->role = g_strdup("");
1411 }
1412
1413 void client_update_strut(ObClient *self)
1414 {
1415     guint num;
1416     guint32 *data;
1417     gboolean got = FALSE;
1418     StrutPartial strut;
1419
1420     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1421                     &data, &num)) {
1422         if (num == 12) {
1423             got = TRUE;
1424             STRUT_PARTIAL_SET(strut,
1425                               data[0], data[2], data[1], data[3],
1426                               data[4], data[5], data[8], data[9],
1427                               data[6], data[7], data[10], data[11]);
1428         }
1429         g_free(data);
1430     }
1431
1432     if (!got &&
1433         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1434         if (num == 4) {
1435             got = TRUE;
1436             STRUT_PARTIAL_SET(strut,
1437                               data[0], data[2], data[1], data[3],
1438                               0, 0, 0, 0, 0, 0, 0, 0);
1439         }
1440         g_free(data);
1441     }
1442
1443     if (!got)
1444         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1445                           0, 0, 0, 0, 0, 0, 0, 0);
1446
1447     if (!STRUT_EQUAL(strut, self->strut)) {
1448         self->strut = strut;
1449
1450         /* updating here is pointless while we're being mapped cuz we're not in
1451            the client list yet */
1452         if (self->frame)
1453             screen_update_areas();
1454     }
1455 }
1456
1457 void client_update_icons(ObClient *self)
1458 {
1459     guint num;
1460     guint32 *data;
1461     guint w, h, i, j;
1462
1463     for (i = 0; i < self->nicons; ++i)
1464         g_free(self->icons[i].data);
1465     if (self->nicons > 0)
1466         g_free(self->icons);
1467     self->nicons = 0;
1468
1469     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1470         /* figure out how many valid icons are in here */
1471         i = 0;
1472         while (num - i > 2) {
1473             w = data[i++];
1474             h = data[i++];
1475             i += w * h;
1476             if (i > num || w*h == 0) break;
1477             ++self->nicons;
1478         }
1479
1480         self->icons = g_new(ObClientIcon, self->nicons);
1481
1482         /* store the icons */
1483         i = 0;
1484         for (j = 0; j < self->nicons; ++j) {
1485             guint x, y, t;
1486
1487             w = self->icons[j].width = data[i++];
1488             h = self->icons[j].height = data[i++];
1489
1490             if (w*h == 0) continue;
1491
1492             self->icons[j].data = g_new(RrPixel32, w * h);
1493             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1494                 if (x >= w) {
1495                     x = 0;
1496                     ++y;
1497                 }
1498                 self->icons[j].data[t] =
1499                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1500                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1501                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1502                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1503             }
1504             g_assert(i <= num);
1505         }
1506
1507         g_free(data);
1508     } else if (PROP_GETA32(self->window, kwm_win_icon,
1509                            kwm_win_icon, &data, &num)) {
1510         if (num == 2) {
1511             self->nicons++;
1512             self->icons = g_new(ObClientIcon, self->nicons);
1513             xerror_set_ignore(TRUE);
1514             if (!RrPixmapToRGBA(ob_rr_inst,
1515                                 data[0], data[1],
1516                                 &self->icons[self->nicons-1].width,
1517                                 &self->icons[self->nicons-1].height,
1518                                 &self->icons[self->nicons-1].data)) {
1519                 g_free(&self->icons[self->nicons-1]);
1520                 self->nicons--;
1521             }
1522             xerror_set_ignore(FALSE);
1523         }
1524         g_free(data);
1525     } else {
1526         XWMHints *hints;
1527
1528         if ((hints = XGetWMHints(ob_display, self->window))) {
1529             if (hints->flags & IconPixmapHint) {
1530                 self->nicons++;
1531                 self->icons = g_new(ObClientIcon, self->nicons);
1532                 xerror_set_ignore(TRUE);
1533                 if (!RrPixmapToRGBA(ob_rr_inst,
1534                                     hints->icon_pixmap,
1535                                     (hints->flags & IconMaskHint ?
1536                                      hints->icon_mask : None),
1537                                     &self->icons[self->nicons-1].width,
1538                                     &self->icons[self->nicons-1].height,
1539                                     &self->icons[self->nicons-1].data)){
1540                     g_free(&self->icons[self->nicons-1]);
1541                     self->nicons--;
1542                 }
1543                 xerror_set_ignore(FALSE);
1544             }
1545             XFree(hints);
1546         }
1547     }
1548
1549     if (self->frame)
1550         frame_adjust_icon(self->frame);
1551 }
1552
1553 static void client_change_state(ObClient *self)
1554 {
1555     guint32 state[2];
1556     guint32 netstate[10];
1557     guint num;
1558
1559     state[0] = self->wmstate;
1560     state[1] = None;
1561     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1562
1563     num = 0;
1564     if (self->modal)
1565         netstate[num++] = prop_atoms.net_wm_state_modal;
1566     if (self->shaded)
1567         netstate[num++] = prop_atoms.net_wm_state_shaded;
1568     if (self->iconic)
1569         netstate[num++] = prop_atoms.net_wm_state_hidden;
1570     if (self->skip_taskbar)
1571         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1572     if (self->skip_pager)
1573         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1574     if (self->fullscreen)
1575         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1576     if (self->max_vert)
1577         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1578     if (self->max_horz)
1579         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1580     if (self->above)
1581         netstate[num++] = prop_atoms.net_wm_state_above;
1582     if (self->below)
1583         netstate[num++] = prop_atoms.net_wm_state_below;
1584     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1585
1586     client_calc_layer(self);
1587
1588     if (self->frame)
1589         frame_adjust_state(self->frame);
1590 }
1591
1592 ObClient *client_search_focus_tree(ObClient *self)
1593 {
1594     GSList *it;
1595     ObClient *ret;
1596
1597     for (it = self->transients; it != NULL; it = it->next) {
1598         if (client_focused(it->data)) return it->data;
1599         if ((ret = client_search_focus_tree(it->data))) return ret;
1600     }
1601     return NULL;
1602 }
1603
1604 ObClient *client_search_focus_tree_full(ObClient *self)
1605 {
1606     if (self->transient_for) {
1607         if (self->transient_for != OB_TRAN_GROUP) {
1608             return client_search_focus_tree_full(self->transient_for);
1609         } else {
1610             GSList *it;
1611             gboolean recursed = FALSE;
1612
1613             for (it = self->group->members; it; it = it->next)
1614                 if (!((ObClient*)it->data)->transient_for) {
1615                     ObClient *c;
1616                     if ((c = client_search_focus_tree_full(it->data)))
1617                         return c;
1618                     recursed = TRUE;
1619                 }
1620             if (recursed)
1621               return NULL;
1622         }
1623     }
1624
1625     /* this function checks the whole tree, the client_search_focus_tree~
1626        does not, so we need to check this window */
1627     if (client_focused(self))
1628       return self;
1629     return client_search_focus_tree(self);
1630 }
1631
1632 static ObStackingLayer calc_layer(ObClient *self)
1633 {
1634     ObStackingLayer l;
1635
1636     if (self->fullscreen) l = OB_STACKING_LAYER_FULLSCREEN;
1637     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1638         l = OB_STACKING_LAYER_DESKTOP;
1639     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1640         if (!self->below) l = OB_STACKING_LAYER_TOP;
1641         else l = OB_STACKING_LAYER_NORMAL;
1642     }
1643     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1644     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1645     else l = OB_STACKING_LAYER_NORMAL;
1646
1647     return l;
1648 }
1649
1650 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1651                                         ObStackingLayer l, gboolean raised)
1652 {
1653     ObStackingLayer old, own;
1654     GSList *it;
1655
1656     old = self->layer;
1657     own = calc_layer(self);
1658     self->layer = l > own ? l : own;
1659
1660     for (it = self->transients; it; it = it->next)
1661         client_calc_layer_recursive(it->data, orig,
1662                                     l, raised ? raised : l != old);
1663
1664     if (!raised && l != old)
1665         if (orig->frame) { /* only restack if the original window is managed */
1666             /* XXX add_non_intrusive ever? */
1667             stacking_remove(CLIENT_AS_WINDOW(self));
1668             stacking_add(CLIENT_AS_WINDOW(self));
1669         }
1670 }
1671
1672 void client_calc_layer(ObClient *self)
1673 {
1674     ObStackingLayer l;
1675     ObClient *orig;
1676
1677     orig = self;
1678
1679     /* transients take on the layer of their parents */
1680     self = client_search_top_transient(self);
1681
1682     l = calc_layer(self);
1683
1684     client_calc_layer_recursive(self, orig, l, FALSE);
1685 }
1686
1687 gboolean client_should_show(ObClient *self)
1688 {
1689     if (self->iconic) return FALSE;
1690     else if (!(self->desktop == screen_desktop ||
1691                self->desktop == DESKTOP_ALL)) return FALSE;
1692     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1693
1694     return TRUE;
1695 }
1696
1697 static void client_showhide(ObClient *self)
1698 {
1699
1700     if (client_should_show(self))
1701         frame_show(self->frame);
1702     else
1703         frame_hide(self->frame);
1704 }
1705
1706 gboolean client_normal(ObClient *self) {
1707     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1708               self->type == OB_CLIENT_TYPE_DOCK ||
1709               self->type == OB_CLIENT_TYPE_SPLASH);
1710 }
1711
1712 static void client_apply_startup_state(ObClient *self)
1713 {
1714     /* these are in a carefully crafted order.. */
1715
1716     if (self->iconic) {
1717         self->iconic = FALSE;
1718         client_iconify(self, TRUE, FALSE);
1719     }
1720     if (self->fullscreen) {
1721         self->fullscreen = FALSE;
1722         client_fullscreen(self, TRUE, FALSE);
1723     }
1724     if (self->shaded) {
1725         self->shaded = FALSE;
1726         client_shade(self, TRUE);
1727     }
1728     if (self->urgent)
1729         client_urgent_notify(self);
1730
1731     if (self->max_vert && self->max_horz) {
1732         self->max_vert = self->max_horz = FALSE;
1733         client_maximize(self, TRUE, 0, FALSE);
1734     } else if (self->max_vert) {
1735         self->max_vert = FALSE;
1736         client_maximize(self, TRUE, 2, FALSE);
1737     } else if (self->max_horz) {
1738         self->max_horz = FALSE;
1739         client_maximize(self, TRUE, 1, FALSE);
1740     }
1741
1742     /* nothing to do for the other states:
1743        skip_taskbar
1744        skip_pager
1745        modal
1746        above
1747        below
1748     */
1749 }
1750
1751 void client_configure_full(ObClient *self, ObCorner anchor,
1752                            int x, int y, int w, int h,
1753                            gboolean user, gboolean final,
1754                            gboolean force_reply)
1755 {
1756     gboolean moved = FALSE, resized = FALSE;
1757     guint fdecor = self->frame->decorations;
1758     gboolean fhorz = self->frame->max_horz;
1759
1760     /* make the frame recalculate its dimentions n shit without changing
1761        anything visible for real, this way the constraints below can work with
1762        the updated frame dimensions. */
1763     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
1764
1765     /* gets the frame's position */
1766     frame_client_gravity(self->frame, &x, &y);
1767
1768     /* these positions are frame positions, not client positions */
1769
1770     /* set the size and position if fullscreen */
1771     if (self->fullscreen) {
1772 #ifdef VIDMODE
1773         int dot;
1774         XF86VidModeModeLine mode;
1775 #endif
1776         Rect *a;
1777         guint i;
1778
1779         i = client_monitor(self);
1780         a = screen_physical_area_monitor(i);
1781
1782 #ifdef VIDMODE
1783         if (i == 0 && /* primary head */
1784             extensions_vidmode &&
1785             XF86VidModeGetViewPort(ob_display, ob_screen, &x, &y) &&
1786             /* get the mode last so the mode.privsize isnt freed incorrectly */
1787             XF86VidModeGetModeLine(ob_display, ob_screen, &dot, &mode)) {
1788             x += a->x;
1789             y += a->y;
1790             w = mode.hdisplay;
1791             h = mode.vdisplay;
1792             if (mode.privsize) XFree(mode.private);
1793         } else
1794 #endif
1795         {
1796             x = a->x;
1797             y = a->y;
1798             w = a->width;
1799             h = a->height;
1800         }
1801
1802         user = FALSE; /* ignore that increment etc shit when in fullscreen */
1803     } else {
1804         Rect *a;
1805
1806         a = screen_area_monitor(self->desktop, client_monitor(self));
1807
1808         /* set the size and position if maximized */
1809         if (self->max_horz) {
1810             x = a->x;
1811             w = a->width - self->frame->size.left - self->frame->size.right;
1812         }
1813         if (self->max_vert) {
1814             y = a->y;
1815             h = a->height - self->frame->size.top - self->frame->size.bottom;
1816         }
1817     }
1818
1819     /* gets the client's position */
1820     frame_frame_gravity(self->frame, &x, &y);
1821
1822     /* these override the above states! if you cant move you can't move! */
1823     if (user) {
1824         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
1825             x = self->area.x;
1826             y = self->area.y;
1827         }
1828         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
1829             w = self->area.width;
1830             h = self->area.height;
1831         }
1832     }
1833
1834     if (!(w == self->area.width && h == self->area.height)) {
1835         int basew, baseh, minw, minh;
1836
1837         /* base size is substituted with min size if not specified */
1838         if (self->base_size.width || self->base_size.height) {
1839             basew = self->base_size.width;
1840             baseh = self->base_size.height;
1841         } else {
1842             basew = self->min_size.width;
1843             baseh = self->min_size.height;
1844         }
1845         /* min size is substituted with base size if not specified */
1846         if (self->min_size.width || self->min_size.height) {
1847             minw = self->min_size.width;
1848             minh = self->min_size.height;
1849         } else {
1850             minw = self->base_size.width;
1851             minh = self->base_size.height;
1852         }
1853
1854         /* if this is a user-requested resize, then check against min/max
1855            sizes */
1856
1857         /* smaller than min size or bigger than max size? */
1858         if (w > self->max_size.width) w = self->max_size.width;
1859         if (w < minw) w = minw;
1860         if (h > self->max_size.height) h = self->max_size.height;
1861         if (h < minh) h = minh;
1862
1863         w -= basew;
1864         h -= baseh;
1865
1866         /* keep to the increments */
1867         w /= self->size_inc.width;
1868         h /= self->size_inc.height;
1869
1870         /* you cannot resize to nothing */
1871         if (basew + w < 1) w = 1 - basew;
1872         if (baseh + h < 1) h = 1 - baseh;
1873
1874         /* store the logical size */
1875         SIZE_SET(self->logical_size,
1876                  self->size_inc.width > 1 ? w : w + basew,
1877                  self->size_inc.height > 1 ? h : h + baseh);
1878
1879         w *= self->size_inc.width;
1880         h *= self->size_inc.height;
1881
1882         w += basew;
1883         h += baseh;
1884
1885         /* adjust the height to match the width for the aspect ratios.
1886            for this, min size is not substituted for base size ever. */
1887         w -= self->base_size.width;
1888         h -= self->base_size.height;
1889
1890         if (self->min_ratio)
1891             if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1892         if (self->max_ratio)
1893             if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1894
1895         w += self->base_size.width;
1896         h += self->base_size.height;
1897     }
1898
1899     switch (anchor) {
1900     case OB_CORNER_TOPLEFT:
1901         break;
1902     case OB_CORNER_TOPRIGHT:
1903         x -= w - self->area.width;
1904         break;
1905     case OB_CORNER_BOTTOMLEFT:
1906         y -= h - self->area.height;
1907         break;
1908     case OB_CORNER_BOTTOMRIGHT:
1909         x -= w - self->area.width;
1910         y -= h - self->area.height;
1911         break;
1912     }
1913
1914     moved = x != self->area.x || y != self->area.y;
1915     resized = w != self->area.width || h != self->area.height;
1916
1917     RECT_SET(self->area, x, y, w, h);
1918
1919     /* for app-requested resizes, always resize if 'resized' is true.
1920        for user-requested ones, only resize if final is true, or when
1921        resizing in redraw mode */
1922     if ((!user && resized) ||
1923         (user && (final || (resized && config_redraw_resize))))
1924         XResizeWindow(ob_display, self->window, w, h);
1925
1926     /* move/resize the frame to match the request */
1927     if (self->frame) {
1928         if (self->decorations != fdecor || self->max_horz != fhorz)
1929             moved = resized = TRUE;
1930
1931         if (moved || resized)
1932             frame_adjust_area(self->frame, moved, resized, FALSE);
1933
1934         if (!resized && (force_reply || ((!user && moved) || (user && final))))
1935         {
1936             XEvent event;
1937             event.type = ConfigureNotify;
1938             event.xconfigure.display = ob_display;
1939             event.xconfigure.event = self->window;
1940             event.xconfigure.window = self->window;
1941
1942             /* root window real coords */
1943             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
1944                 self->border_width;
1945             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
1946                 self->border_width;
1947             event.xconfigure.width = w;
1948             event.xconfigure.height = h;
1949             event.xconfigure.border_width = 0;
1950             event.xconfigure.above = self->frame->plate;
1951             event.xconfigure.override_redirect = FALSE;
1952             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1953                        FALSE, StructureNotifyMask, &event);
1954         }
1955     }
1956 }
1957
1958 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
1959 {
1960     int x, y, w, h;
1961
1962     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
1963         self->fullscreen == fs) return;                   /* already done */
1964
1965     self->fullscreen = fs;
1966     client_change_state(self); /* change the state hints on the client,
1967                                   and adjust out layer/stacking */
1968
1969     if (fs) {
1970         if (savearea) {
1971             guint32 dimensions[4];
1972             dimensions[0] = self->area.x;
1973             dimensions[1] = self->area.y;
1974             dimensions[2] = self->area.width;
1975             dimensions[3] = self->area.height;
1976
1977             PROP_SETA32(self->window, openbox_premax, cardinal,
1978                         dimensions, 4);
1979         }
1980
1981         /* these are not actually used cuz client_configure will set them
1982            as appropriate when the window is fullscreened */
1983         x = y = w = h = 0;
1984     } else {
1985         guint num;
1986         gint32 *dimensions;
1987         Rect *a;
1988
1989         /* pick some fallbacks... */
1990         a = screen_area_monitor(self->desktop, 0);
1991         x = a->x + a->width / 4;
1992         y = a->y + a->height / 4;
1993         w = a->width / 2;
1994         h = a->height / 2;
1995
1996         if (PROP_GETA32(self->window, openbox_premax, cardinal,
1997                         (guint32**)&dimensions, &num)) {
1998             if (num == 4) {
1999                 x = dimensions[0];
2000                 y = dimensions[1];
2001                 w = dimensions[2];
2002                 h = dimensions[3];
2003             }
2004             g_free(dimensions);
2005         }
2006     }
2007
2008     client_setup_decor_and_functions(self);
2009
2010     client_move_resize(self, x, y, w, h);
2011
2012     /* try focus us when we go into fullscreen mode */
2013     client_focus(self);
2014 }
2015
2016 static void client_iconify_recursive(ObClient *self,
2017                                      gboolean iconic, gboolean curdesk)
2018 {
2019     GSList *it;
2020     gboolean changed = FALSE;
2021
2022
2023     if (self->iconic != iconic) {
2024         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2025                  self->window);
2026
2027         self->iconic = iconic;
2028
2029         if (iconic) {
2030             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2031                 self->wmstate = IconicState;
2032                 self->ignore_unmaps++;
2033                 /* we unmap the client itself so that we can get MapRequest
2034                    events, and because the ICCCM tells us to! */
2035                 XUnmapWindow(ob_display, self->window);
2036
2037                 /* update the focus lists.. iconic windows go to the bottom of
2038                    the list, put the new iconic window at the 'top of the
2039                    bottom'. */
2040                 focus_order_to_top(self);
2041
2042                 changed = TRUE;
2043             }
2044         } else {
2045             if (curdesk)
2046                 client_set_desktop(self, screen_desktop, FALSE);
2047             self->wmstate = self->shaded ? IconicState : NormalState;
2048             XMapWindow(ob_display, self->window);
2049
2050             /* this puts it after the current focused window */
2051             focus_order_remove(self);
2052             focus_order_add_new(self);
2053
2054             /* this is here cuz with the VIDMODE extension, the viewport can
2055                change while a fullscreen window is iconic, and when it
2056                uniconifies, it would be nice if it did so to the new position
2057                of the viewport */
2058             client_reconfigure(self);
2059
2060             changed = TRUE;
2061         }
2062     }
2063
2064     if (changed) {
2065         client_change_state(self);
2066         client_showhide(self);
2067         screen_update_areas();
2068     }
2069
2070     /* iconify all transients */
2071     for (it = self->transients; it != NULL; it = it->next)
2072         if (it->data != self) client_iconify_recursive(it->data,
2073                                                        iconic, curdesk);
2074 }
2075
2076 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2077 {
2078     /* move up the transient chain as far as possible first */
2079     self = client_search_top_transient(self);
2080
2081     client_iconify_recursive(client_search_top_transient(self),
2082                              iconic, curdesk);
2083 }
2084
2085 void client_maximize(ObClient *self, gboolean max, int dir, gboolean savearea)
2086 {
2087     int x, y, w, h;
2088
2089     g_assert(dir == 0 || dir == 1 || dir == 2);
2090     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2091
2092     /* check if already done */
2093     if (max) {
2094         if (dir == 0 && self->max_horz && self->max_vert) return;
2095         if (dir == 1 && self->max_horz) return;
2096         if (dir == 2 && self->max_vert) return;
2097     } else {
2098         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2099         if (dir == 1 && !self->max_horz) return;
2100         if (dir == 2 && !self->max_vert) return;
2101     }
2102
2103     /* work with the frame's coords */
2104     x = self->frame->area.x;
2105     y = self->frame->area.y;
2106     w = self->area.width;
2107     h = self->area.height;
2108
2109     if (max) {
2110         if (savearea) {
2111             gint32 dimensions[4];
2112             gint32 *readdim;
2113             guint num;
2114
2115             dimensions[0] = x;
2116             dimensions[1] = y;
2117             dimensions[2] = w;
2118             dimensions[3] = h;
2119
2120             /* get the property off the window and use it for the dimensions
2121                we are already maxed on */
2122             if (PROP_GETA32(self->window, openbox_premax, cardinal,
2123                             (guint32**)&readdim, &num)) {
2124                 if (num == 4) {
2125                     if (self->max_horz) {
2126                         dimensions[0] = readdim[0];
2127                         dimensions[2] = readdim[2];
2128                     }
2129                     if (self->max_vert) {
2130                         dimensions[1] = readdim[1];
2131                         dimensions[3] = readdim[3];
2132                     }
2133                 }
2134                 g_free(readdim);
2135             }
2136
2137             PROP_SETA32(self->window, openbox_premax, cardinal,
2138                         (guint32*)dimensions, 4);
2139         }
2140     } else {
2141         guint num;
2142         gint32 *dimensions;
2143         Rect *a;
2144
2145         /* pick some fallbacks... */
2146         a = screen_area_monitor(self->desktop, 0);
2147         if (dir == 0 || dir == 1) { /* horz */
2148             x = a->x + a->width / 4;
2149             w = a->width / 2;
2150         }
2151         if (dir == 0 || dir == 2) { /* vert */
2152             y = a->y + a->height / 4;
2153             h = a->height / 2;
2154         }
2155
2156         if (PROP_GETA32(self->window, openbox_premax, cardinal,
2157                         (guint32**)&dimensions, &num)) {
2158             if (num == 4) {
2159                 if (dir == 0 || dir == 1) { /* horz */
2160                     x = dimensions[0];
2161                     w = dimensions[2];
2162                 }
2163                 if (dir == 0 || dir == 2) { /* vert */
2164                     y = dimensions[1];
2165                     h = dimensions[3];
2166                 }
2167             }
2168             g_free(dimensions);
2169         }
2170     }
2171
2172     if (dir == 0 || dir == 1) /* horz */
2173         self->max_horz = max;
2174     if (dir == 0 || dir == 2) /* vert */
2175         self->max_vert = max;
2176
2177     if (!self->max_horz && !self->max_vert)
2178         PROP_ERASE(self->window, openbox_premax);
2179
2180     client_change_state(self); /* change the state hints on the client */
2181
2182     client_setup_decor_and_functions(self);
2183
2184     /* figure out where the client should be going */
2185     frame_frame_gravity(self->frame, &x, &y);
2186     client_move_resize(self, x, y, w, h);
2187 }
2188
2189 void client_shade(ObClient *self, gboolean shade)
2190 {
2191     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2192          shade) ||                         /* can't shade */
2193         self->shaded == shade) return;     /* already done */
2194
2195     /* when we're iconic, don't change the wmstate */
2196     if (!self->iconic)
2197         self->wmstate = shade ? IconicState : NormalState;
2198     self->shaded = shade;
2199     client_change_state(self);
2200     /* resize the frame to just the titlebar */
2201     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2202 }
2203
2204 void client_close(ObClient *self)
2205 {
2206     XEvent ce;
2207
2208     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2209
2210     /*
2211       XXX: itd be cool to do timeouts and shit here for killing the client's
2212       process off
2213       like... if the window is around after 5 seconds, then the close button
2214       turns a nice red, and if this function is called again, the client is
2215       explicitly killed.
2216     */
2217
2218     ce.xclient.type = ClientMessage;
2219     ce.xclient.message_type =  prop_atoms.wm_protocols;
2220     ce.xclient.display = ob_display;
2221     ce.xclient.window = self->window;
2222     ce.xclient.format = 32;
2223     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2224     ce.xclient.data.l[1] = event_lasttime;
2225     ce.xclient.data.l[2] = 0l;
2226     ce.xclient.data.l[3] = 0l;
2227     ce.xclient.data.l[4] = 0l;
2228     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2229 }
2230
2231 void client_kill(ObClient *self)
2232 {
2233     XKillClient(ob_display, self->window);
2234 }
2235
2236 void client_set_desktop_recursive(ObClient *self,
2237                                   guint target, gboolean donthide)
2238 {
2239     guint old;
2240     GSList *it;
2241
2242     if (target != self->desktop) {
2243
2244         ob_debug("Setting desktop %u\n", target+1);
2245
2246         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2247
2248         /* remove from the old desktop(s) */
2249         focus_order_remove(self);
2250
2251         old = self->desktop;
2252         self->desktop = target;
2253         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2254         /* the frame can display the current desktop state */
2255         frame_adjust_state(self->frame);
2256         /* 'move' the window to the new desktop */
2257         if (!donthide)
2258             client_showhide(self);
2259         /* raise if it was not already on the desktop */
2260         if (old != DESKTOP_ALL)
2261             stacking_raise(CLIENT_AS_WINDOW(self));
2262         screen_update_areas();
2263
2264         /* add to the new desktop(s) */
2265         if (config_focus_new)
2266             focus_order_to_top(self);
2267         else
2268             focus_order_to_bottom(self);
2269     }
2270
2271     /* move all transients */
2272     for (it = self->transients; it != NULL; it = it->next)
2273         if (it->data != self) client_set_desktop_recursive(it->data,
2274                                                            target, donthide);
2275 }
2276
2277 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2278 {
2279     client_set_desktop_recursive(client_search_top_transient(self),
2280                                  target, donthide);
2281 }
2282
2283 ObClient *client_search_modal_child(ObClient *self)
2284 {
2285     GSList *it;
2286     ObClient *ret;
2287
2288     for (it = self->transients; it != NULL; it = it->next) {
2289         ObClient *c = it->data;
2290         if ((ret = client_search_modal_child(c))) return ret;
2291         if (c->modal) return c;
2292     }
2293     return NULL;
2294 }
2295
2296 gboolean client_validate(ObClient *self)
2297 {
2298     XEvent e;
2299
2300     XSync(ob_display, FALSE); /* get all events on the server */
2301
2302     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2303         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2304         XPutBackEvent(ob_display, &e);
2305         return FALSE;
2306     }
2307
2308     return TRUE;
2309 }
2310
2311 void client_set_wm_state(ObClient *self, long state)
2312 {
2313     if (state == self->wmstate) return; /* no change */
2314
2315     switch (state) {
2316     case IconicState:
2317         client_iconify(self, TRUE, TRUE);
2318         break;
2319     case NormalState:
2320         client_iconify(self, FALSE, TRUE);
2321         break;
2322     }
2323 }
2324
2325 void client_set_state(ObClient *self, Atom action, long data1, long data2)
2326 {
2327     gboolean shaded = self->shaded;
2328     gboolean fullscreen = self->fullscreen;
2329     gboolean max_horz = self->max_horz;
2330     gboolean max_vert = self->max_vert;
2331     int i;
2332
2333     if (!(action == prop_atoms.net_wm_state_add ||
2334           action == prop_atoms.net_wm_state_remove ||
2335           action == prop_atoms.net_wm_state_toggle))
2336         /* an invalid action was passed to the client message, ignore it */
2337         return;
2338
2339     for (i = 0; i < 2; ++i) {
2340         Atom state = i == 0 ? data1 : data2;
2341
2342         if (!state) continue;
2343
2344         /* if toggling, then pick whether we're adding or removing */
2345         if (action == prop_atoms.net_wm_state_toggle) {
2346             if (state == prop_atoms.net_wm_state_modal)
2347                 action = self->modal ? prop_atoms.net_wm_state_remove :
2348                     prop_atoms.net_wm_state_add;
2349             else if (state == prop_atoms.net_wm_state_maximized_vert)
2350                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2351                     prop_atoms.net_wm_state_add;
2352             else if (state == prop_atoms.net_wm_state_maximized_horz)
2353                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2354                     prop_atoms.net_wm_state_add;
2355             else if (state == prop_atoms.net_wm_state_shaded)
2356                 action = self->shaded ? prop_atoms.net_wm_state_remove :
2357                     prop_atoms.net_wm_state_add;
2358             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2359                 action = self->skip_taskbar ?
2360                     prop_atoms.net_wm_state_remove :
2361                     prop_atoms.net_wm_state_add;
2362             else if (state == prop_atoms.net_wm_state_skip_pager)
2363                 action = self->skip_pager ?
2364                     prop_atoms.net_wm_state_remove :
2365                     prop_atoms.net_wm_state_add;
2366             else if (state == prop_atoms.net_wm_state_fullscreen)
2367                 action = self->fullscreen ?
2368                     prop_atoms.net_wm_state_remove :
2369                     prop_atoms.net_wm_state_add;
2370             else if (state == prop_atoms.net_wm_state_above)
2371                 action = self->above ? prop_atoms.net_wm_state_remove :
2372                     prop_atoms.net_wm_state_add;
2373             else if (state == prop_atoms.net_wm_state_below)
2374                 action = self->below ? prop_atoms.net_wm_state_remove :
2375                     prop_atoms.net_wm_state_add;
2376         }
2377
2378         if (action == prop_atoms.net_wm_state_add) {
2379             if (state == prop_atoms.net_wm_state_modal) {
2380                 /* XXX raise here or something? */
2381                 self->modal = TRUE;
2382             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2383                 max_vert = TRUE;
2384             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2385                 max_horz = TRUE;
2386             } else if (state == prop_atoms.net_wm_state_shaded) {
2387                 shaded = TRUE;
2388             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2389                 self->skip_taskbar = TRUE;
2390             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2391                 self->skip_pager = TRUE;
2392             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2393                 fullscreen = TRUE;
2394             } else if (state == prop_atoms.net_wm_state_above) {
2395                 self->above = TRUE;
2396             } else if (state == prop_atoms.net_wm_state_below) {
2397                 self->below = TRUE;
2398             }
2399
2400         } else { /* action == prop_atoms.net_wm_state_remove */
2401             if (state == prop_atoms.net_wm_state_modal) {
2402                 self->modal = FALSE;
2403             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2404                 max_vert = FALSE;
2405             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2406                 max_horz = FALSE;
2407             } else if (state == prop_atoms.net_wm_state_shaded) {
2408                 shaded = FALSE;
2409             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2410                 self->skip_taskbar = FALSE;
2411             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2412                 self->skip_pager = FALSE;
2413             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2414                 fullscreen = FALSE;
2415             } else if (state == prop_atoms.net_wm_state_above) {
2416                 self->above = FALSE;
2417             } else if (state == prop_atoms.net_wm_state_below) {
2418                 self->below = FALSE;
2419             }
2420         }
2421     }
2422     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2423         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2424             /* toggling both */
2425             if (max_horz == max_vert) { /* both going the same way */
2426                 client_maximize(self, max_horz, 0, TRUE);
2427             } else {
2428                 client_maximize(self, max_horz, 1, TRUE);
2429                 client_maximize(self, max_vert, 2, TRUE);
2430             }
2431         } else {
2432             /* toggling one */
2433             if (max_horz != self->max_horz)
2434                 client_maximize(self, max_horz, 1, TRUE);
2435             else
2436                 client_maximize(self, max_vert, 2, TRUE);
2437         }
2438     }
2439     /* change fullscreen state before shading, as it will affect if the window
2440        can shade or not */
2441     if (fullscreen != self->fullscreen)
2442         client_fullscreen(self, fullscreen, TRUE);
2443     if (shaded != self->shaded)
2444         client_shade(self, shaded);
2445     client_calc_layer(self);
2446     client_change_state(self); /* change the hint to reflect these changes */
2447 }
2448
2449 ObClient *client_focus_target(ObClient *self)
2450 {
2451     ObClient *child;
2452
2453     /* if we have a modal child, then focus it, not us */
2454     child = client_search_modal_child(self);
2455     if (child) return child;
2456     return self;
2457 }
2458
2459 gboolean client_can_focus(ObClient *self)
2460 {
2461     XEvent ev;
2462
2463     /* choose the correct target */
2464     self = client_focus_target(self);
2465
2466     if (!self->frame->visible)
2467         return FALSE;
2468
2469     if (!((self->can_focus || self->focus_notify) &&
2470           (self->desktop == screen_desktop ||
2471            self->desktop == DESKTOP_ALL) &&
2472           !self->iconic))
2473         return FALSE;
2474
2475     /* do a check to see if the window has already been unmapped or destroyed
2476        do this intelligently while watching out for unmaps we've generated
2477        (ignore_unmaps > 0) */
2478     if (XCheckTypedWindowEvent(ob_display, self->window,
2479                                DestroyNotify, &ev)) {
2480         XPutBackEvent(ob_display, &ev);
2481         return FALSE;
2482     }
2483     while (XCheckTypedWindowEvent(ob_display, self->window,
2484                                   UnmapNotify, &ev)) {
2485         if (self->ignore_unmaps) {
2486             self->ignore_unmaps--;
2487         } else {
2488             XPutBackEvent(ob_display, &ev);
2489             return FALSE;
2490         }
2491     }
2492
2493     return TRUE;
2494 }
2495
2496 gboolean client_focus(ObClient *self)
2497 {
2498     /* choose the correct target */
2499     self = client_focus_target(self);
2500
2501     if (!client_can_focus(self)) {
2502         if (!self->frame->visible) {
2503             /* update the focus lists */
2504             focus_order_to_top(self);
2505         }
2506         return FALSE;
2507     }
2508
2509     if (self->can_focus)
2510         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2511            I choose to use it always, hopefully to find errors quicker, if any
2512            are left. (I hate X. I hate focus events.) */
2513         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
2514                        event_lasttime);
2515
2516     if (self->focus_notify) {
2517         XEvent ce;
2518         ce.xclient.type = ClientMessage;
2519         ce.xclient.message_type = prop_atoms.wm_protocols;
2520         ce.xclient.display = ob_display;
2521         ce.xclient.window = self->window;
2522         ce.xclient.format = 32;
2523         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2524         ce.xclient.data.l[1] = event_lasttime;
2525         ce.xclient.data.l[2] = 0l;
2526         ce.xclient.data.l[3] = 0l;
2527         ce.xclient.data.l[4] = 0l;
2528         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2529     }
2530
2531 #ifdef DEBUG_FOCUS
2532     ob_debug("%sively focusing %lx at %d\n",
2533              (self->can_focus ? "act" : "pass"),
2534              self->window, (int) event_lasttime);
2535 #endif
2536
2537     /* Cause the FocusIn to come back to us. Important for desktop switches,
2538        since otherwise we'll have no FocusIn on the queue and send it off to
2539        the focus_backup. */
2540     XSync(ob_display, FALSE);
2541     return TRUE;
2542 }
2543
2544 void client_unfocus(ObClient *self)
2545 {
2546     g_assert(focus_client == self);
2547 #ifdef DEBUG_FOCUS
2548     ob_debug("client_unfocus for %lx\n", self->window);
2549 #endif
2550     focus_fallback(OB_FOCUS_FALLBACK_UNFOCUSING);
2551 }
2552
2553 void client_activate(ObClient *self, gboolean here)
2554 {
2555     if (client_normal(self) && screen_showing_desktop)
2556         screen_show_desktop(FALSE);
2557     if (self->iconic)
2558         client_iconify(self, FALSE, FALSE);
2559     if (self->desktop != DESKTOP_ALL &&
2560         self->desktop != screen_desktop) {
2561         if (here)
2562             client_set_desktop(self, screen_desktop, FALSE);
2563         else
2564             screen_set_desktop(self->desktop);
2565     } else if (!self->frame->visible)
2566         /* if its not visible for other reasons, then don't mess
2567            with it */
2568         return;
2569     if (self->shaded)
2570         client_shade(self, FALSE);
2571     client_focus(self);
2572     stacking_raise(CLIENT_AS_WINDOW(self));
2573 }
2574
2575 gboolean client_focused(ObClient *self)
2576 {
2577     return self == focus_client;
2578 }
2579
2580 ObClientIcon *client_icon(ObClient *self, int w, int h)
2581 {
2582     guint i;
2583     /* si is the smallest image >= req */
2584     /* li is the largest image < req */
2585     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2586
2587     if (!self->nicons) return NULL;
2588
2589     for (i = 0; i < self->nicons; ++i) {
2590         size = self->icons[i].width * self->icons[i].height;
2591         if (size < smallest && size >= (unsigned)(w * h)) {
2592             smallest = size;
2593             si = i;
2594         }
2595         if (size > largest && size <= (unsigned)(w * h)) {
2596             largest = size;
2597             li = i;
2598         }
2599     }
2600     if (largest == 0) /* didnt find one smaller than the requested size */
2601         return &self->icons[si];
2602     return &self->icons[li];
2603 }
2604
2605 /* this be mostly ripped from fvwm */
2606 ObClient *client_find_directional(ObClient *c, ObDirection dir)
2607 {
2608     int my_cx, my_cy, his_cx, his_cy;
2609     int offset = 0;
2610     int distance = 0;
2611     int score, best_score;
2612     ObClient *best_client, *cur;
2613     GList *it;
2614
2615     if(!client_list)
2616         return NULL;
2617
2618     /* first, find the centre coords of the currently focused window */
2619     my_cx = c->frame->area.x + c->frame->area.width / 2;
2620     my_cy = c->frame->area.y + c->frame->area.height / 2;
2621
2622     best_score = -1;
2623     best_client = NULL;
2624
2625     for(it = g_list_first(client_list); it; it = it->next) {
2626         cur = it->data;
2627
2628         /* the currently selected window isn't interesting */
2629         if(cur == c)
2630             continue;
2631         if (!client_normal(cur))
2632             continue;
2633         if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2634             continue;
2635         if(cur->iconic)
2636             continue;
2637         if(client_focus_target(cur) == cur &&
2638            !(cur->can_focus || cur->focus_notify))
2639             continue;
2640
2641         /* find the centre coords of this window, from the
2642          * currently focused window's point of view */
2643         his_cx = (cur->frame->area.x - my_cx)
2644             + cur->frame->area.width / 2;
2645         his_cy = (cur->frame->area.y - my_cy)
2646             + cur->frame->area.height / 2;
2647
2648         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
2649            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
2650             int tx;
2651             /* Rotate the diagonals 45 degrees counterclockwise.
2652              * To do this, multiply the matrix /+h +h\ with the
2653              * vector (x y).                   \-h +h/
2654              * h = sqrt(0.5). We can set h := 1 since absolute
2655              * distance doesn't matter here. */
2656             tx = his_cx + his_cy;
2657             his_cy = -his_cx + his_cy;
2658             his_cx = tx;
2659         }
2660
2661         switch(dir) {
2662         case OB_DIRECTION_NORTH:
2663         case OB_DIRECTION_SOUTH:
2664         case OB_DIRECTION_NORTHEAST:
2665         case OB_DIRECTION_SOUTHWEST:
2666             offset = (his_cx < 0) ? -his_cx : his_cx;
2667             distance = ((dir == OB_DIRECTION_NORTH ||
2668                         dir == OB_DIRECTION_NORTHEAST) ?
2669                         -his_cy : his_cy);
2670             break;
2671         case OB_DIRECTION_EAST:
2672         case OB_DIRECTION_WEST:
2673         case OB_DIRECTION_SOUTHEAST:
2674         case OB_DIRECTION_NORTHWEST:
2675             offset = (his_cy < 0) ? -his_cy : his_cy;
2676             distance = ((dir == OB_DIRECTION_WEST ||
2677                         dir == OB_DIRECTION_NORTHWEST) ?
2678                         -his_cx : his_cx);
2679             break;
2680         }
2681
2682         /* the target must be in the requested direction */
2683         if(distance <= 0)
2684             continue;
2685
2686         /* Calculate score for this window.  The smaller the better. */
2687         score = distance + offset;
2688
2689         /* windows more than 45 degrees off the direction are
2690          * heavily penalized and will only be chosen if nothing
2691          * else within a million pixels */
2692         if(offset > distance)
2693             score += 1000000;
2694
2695         if(best_score == -1 || score < best_score)
2696             best_client = cur,
2697                 best_score = score;
2698     }
2699
2700     return best_client;
2701 }
2702
2703 void client_set_layer(ObClient *self, int layer)
2704 {
2705     if (layer < 0) {
2706         self->below = TRUE;
2707         self->above = FALSE;
2708     } else if (layer == 0) {
2709         self->below = self->above = FALSE;
2710     } else {
2711         self->below = FALSE;
2712         self->above = TRUE;
2713     }
2714     client_calc_layer(self);
2715     client_change_state(self); /* reflect this in the state hints */
2716 }
2717
2718 guint client_monitor(ObClient *self)
2719 {
2720     guint i;
2721
2722     for (i = 0; i < screen_num_monitors; ++i) {
2723         Rect *area = screen_physical_area_monitor(i);
2724         if (RECT_INTERSECTS_RECT(*area, self->frame->area))
2725             break;
2726     }
2727     if (i == screen_num_monitors) i = 0;
2728     g_assert(i < screen_num_monitors);
2729     return i;
2730 }
2731
2732 ObClient *client_search_top_transient(ObClient *self)
2733 {
2734     /* move up the transient chain as far as possible */
2735     if (self->transient_for) {
2736         if (self->transient_for != OB_TRAN_GROUP) {
2737             return client_search_top_transient(self->transient_for);
2738         } else {
2739             GSList *it;
2740
2741             for (it = self->group->members; it; it = it->next) {
2742                 ObClient *c = it->data;
2743
2744                 /* checking transient_for prevents infinate loops! */
2745                 if (c != self && !c->transient_for)
2746                     break;
2747             }
2748             if (it)
2749                 return it->data;
2750         }
2751     }
2752
2753     return self;
2754 }
2755
2756 ObClient *client_search_transient(ObClient *self, ObClient *search)
2757 {
2758     GSList *sit;
2759
2760     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
2761         if (sit->data == search)
2762             return search;
2763         if (client_search_transient(sit->data, search))
2764             return search;
2765     }
2766     return NULL;
2767 }
2768
2769 gchar* client_get_sm_client_id(ObClient *self)
2770 {
2771     gchar *id = NULL;
2772
2773     if (!PROP_GETS(self->window, sm_client_id, locale, &id) && self->group)
2774         PROP_GETS(self->group->leader, sm_client_id, locale, &id);
2775     return id;
2776 }
2777
2778 /* finds the nearest edge in the given direction from the current client
2779  * note to self: the edge is the -frame- edge (the actual one), not the
2780  * client edge.
2781  */
2782 int client_directional_edge_search(ObClient *c, ObDirection dir)
2783 {
2784     int dest;
2785     int my_edge_start, my_edge_end, my_offset;
2786     GList *it;
2787     Rect *a;
2788
2789     if(!client_list)
2790         return -1;
2791
2792     a = screen_area(c->desktop);
2793
2794     switch(dir) {
2795     case OB_DIRECTION_NORTH:
2796         my_edge_start = c->frame->area.x;
2797         my_edge_end = c->frame->area.x + c->frame->area.width;
2798         my_offset = c->frame->area.y;
2799
2800         dest = a->y; /* default: top of screen */
2801
2802         for(it = g_list_first(client_list); it; it = it->next) {
2803             int his_edge_start, his_edge_end, his_offset;
2804             ObClient *cur = it->data;
2805
2806             if(cur == c)
2807                 continue;
2808             if(!client_normal(cur))
2809                 continue;
2810             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2811                 continue;
2812             if(cur->iconic)
2813                 continue;
2814
2815             his_edge_start = cur->frame->area.x;
2816             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2817             his_offset = cur->frame->area.y + cur->frame->area.height;
2818
2819             if(his_offset + 1 > my_offset)
2820                 continue;
2821
2822             if(his_offset < dest)
2823                 continue;
2824
2825             if(his_edge_start >= my_edge_start &&
2826                his_edge_start <= my_edge_end)
2827                 dest = his_offset;
2828
2829             if(my_edge_start >= his_edge_start &&
2830                my_edge_start <= his_edge_end)
2831                 dest = his_offset;
2832
2833         }
2834         break;
2835     case OB_DIRECTION_SOUTH:
2836         my_edge_start = c->frame->area.x;
2837         my_edge_end = c->frame->area.x + c->frame->area.width;
2838         my_offset = c->frame->area.y + c->frame->area.height;
2839
2840         dest = a->y + a->height; /* default: bottom of screen */
2841
2842         for(it = g_list_first(client_list); it; it = it->next) {
2843             int his_edge_start, his_edge_end, his_offset;
2844             ObClient *cur = it->data;
2845
2846             if(cur == c)
2847                 continue;
2848             if(!client_normal(cur))
2849                 continue;
2850             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2851                 continue;
2852             if(cur->iconic)
2853                 continue;
2854
2855             his_edge_start = cur->frame->area.x;
2856             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2857             his_offset = cur->frame->area.y;
2858
2859
2860             if(his_offset - 1 < my_offset)
2861                 continue;
2862
2863             if(his_offset > dest)
2864                 continue;
2865
2866             if(his_edge_start >= my_edge_start &&
2867                his_edge_start <= my_edge_end)
2868                 dest = his_offset;
2869
2870             if(my_edge_start >= his_edge_start &&
2871                my_edge_start <= his_edge_end)
2872                 dest = his_offset;
2873
2874         }
2875         break;
2876     case OB_DIRECTION_WEST:
2877         my_edge_start = c->frame->area.y;
2878         my_edge_end = c->frame->area.y + c->frame->area.height;
2879         my_offset = c->frame->area.x;
2880
2881         dest = a->x; /* default: leftmost egde of screen */
2882
2883         for(it = g_list_first(client_list); it; it = it->next) {
2884             int his_edge_start, his_edge_end, his_offset;
2885             ObClient *cur = it->data;
2886
2887             if(cur == c)
2888                 continue;
2889             if(!client_normal(cur))
2890                 continue;
2891             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2892                 continue;
2893             if(cur->iconic)
2894                 continue;
2895
2896             his_edge_start = cur->frame->area.y;
2897             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2898             his_offset = cur->frame->area.x + cur->frame->area.width;
2899
2900             if(his_offset + 1 > my_offset)
2901                 continue;
2902
2903             if(his_offset < dest)
2904                 continue;
2905
2906             if(his_edge_start >= my_edge_start &&
2907                his_edge_start <= my_edge_end)
2908                 dest = his_offset;
2909
2910             if(my_edge_start >= his_edge_start &&
2911                my_edge_start <= his_edge_end)
2912                 dest = his_offset;
2913
2914
2915         }
2916         break;
2917     case OB_DIRECTION_EAST:
2918         my_edge_start = c->frame->area.y;
2919         my_edge_end = c->frame->area.y + c->frame->area.height;
2920         my_offset = c->frame->area.x + c->frame->area.width;
2921
2922         dest = a->x + a->width; /* default: rightmost edge of screen */
2923
2924         for(it = g_list_first(client_list); it; it = it->next) {
2925             int his_edge_start, his_edge_end, his_offset;
2926             ObClient *cur = it->data;
2927
2928             if(cur == c)
2929                 continue;
2930             if(!client_normal(cur))
2931                 continue;
2932             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2933                 continue;
2934             if(cur->iconic)
2935                 continue;
2936
2937             his_edge_start = cur->frame->area.y;
2938             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2939             his_offset = cur->frame->area.x;
2940
2941             if(his_offset - 1 < my_offset)
2942                 continue;
2943
2944             if(his_offset > dest)
2945                 continue;
2946
2947             if(his_edge_start >= my_edge_start &&
2948                his_edge_start <= my_edge_end)
2949                 dest = his_offset;
2950
2951             if(my_edge_start >= his_edge_start &&
2952                my_edge_start <= his_edge_end)
2953                 dest = his_offset;
2954
2955         }
2956         break;
2957     case OB_DIRECTION_NORTHEAST:
2958     case OB_DIRECTION_SOUTHEAST:
2959     case OB_DIRECTION_NORTHWEST:
2960     case OB_DIRECTION_SOUTHWEST:
2961         /* not implemented */
2962         break;
2963     default:
2964             g_assert_not_reached();
2965     }
2966     return dest;
2967 }