openbox/client.c

   1 #include "client.h"
   2 #include "debug.h"
   3 #include "startupnotify.h"
   4 #include "dock.h"
   5 #include "xerror.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_startup_id(ObClient *self);
  41 static void client_get_area(ObClient *self);
  42 static void client_get_desktop(ObClient *self);
  43 static void client_get_state(ObClient *self);
  44 static void client_get_shaped(ObClient *self);
  45 static void client_get_mwm_hints(ObClient *self);
  46 static void client_get_gravity(ObClient *self);
  47 static void client_showhide(ObClient *self);
  48 static void client_change_allowed_actions(ObClient *self);
  49 static void client_change_state(ObClient *self);
  50 static void client_apply_startup_state(ObClient *self);
  51 static void client_restore_session_state(ObClient *self);
  52 static void client_restore_session_stacking(ObClient *self);
  53 static void client_urgent_notify(ObClient *self);
  54
  55 void client_startup(gboolean reconfig)
  56 {
  57     if (reconfig) return;
  58
  59     client_set_list();
  60 }
  61
  62 void client_shutdown(gboolean reconfig)
  63 {
  64 }
  65
  66 void client_add_destructor(GDestroyNotify func)
  67 {
  68     client_destructors = g_slist_prepend(client_destructors, (gpointer)func);
  69 }
  70
  71 void client_remove_destructor(GDestroyNotify func)
  72 {
  73     client_destructors = g_slist_remove(client_destructors, (gpointer)func);
  74 }
  75
  76 void client_set_list()
  77 {
  78     Window *windows, *win_it;
  79     GList *it;
  80     guint size = g_list_length(client_list);
  81
  82     /* create an array of the window ids */
  83     if (size > 0) {
  84         windows = g_new(Window, size);
  85         win_it = windows;
  86         for (it = client_list; it != NULL; it = it->next, ++win_it)
  87             *win_it = ((ObClient*)it->data)->window;
  88     } else
  89         windows = NULL;
  90
  91     PROP_SETA32(RootWindow(ob_display, ob_screen),
  92                 net_client_list, window, (guint32*)windows, size);
  93
  94     if (windows)
  95         g_free(windows);
  96
  97     stacking_set_list();
  98 }
  99
 100 /*
 101 void client_foreach_transient(ObClient *self, ObClientForeachFunc func, void *data)
 102 {
 103     GSList *it;
 104
 105     for (it = self->transients; it; it = it->next) {
 106         if (!func(it->data, data)) return;
 107         client_foreach_transient(it->data, func, data);
 108     }
 109 }
 110
 111 void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, void *data)
 112 {
 113     if (self->transient_for) {
 114         if (self->transient_for != OB_TRAN_GROUP) {
 115             if (!func(self->transient_for, data)) return;
 116             client_foreach_ancestor(self->transient_for, func, data);
 117         } else {
 118             GSList *it;
 119
 120             for (it = self->group->members; it; it = it->next)
 121                 if (it->data != self &&
 122                     !((ObClient*)it->data)->transient_for) {
 123                     if (!func(it->data, data)) return;
 124                     client_foreach_ancestor(it->data, func, data);
 125                 }
 126         }
 127     }
 128 }
 129 */
 130
 131 void client_manage_all()
 132 {
 133     unsigned int i, j, nchild;
 134     Window w, *children;
 135     XWMHints *wmhints;
 136     XWindowAttributes attrib;
 137
 138     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 139                &w, &w, &children, &nchild);
 140
 141     /* remove all icon windows from the list */
 142     for (i = 0; i < nchild; i++) {
 143         if (children[i] == None) continue;
 144         wmhints = XGetWMHints(ob_display, children[i]);
 145         if (wmhints) {
 146             if ((wmhints->flags & IconWindowHint) &&
 147                 (wmhints->icon_window != children[i]))
 148                 for (j = 0; j < nchild; j++)
 149                     if (children[j] == wmhints->icon_window) {
 150                         children[j] = None;
 151                         break;
 152                     }
 153             XFree(wmhints);
 154         }
 155     }
 156
 157     for (i = 0; i < nchild; ++i) {
 158         if (children[i] == None)
 159             continue;
 160         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 161             if (attrib.override_redirect) continue;
 162
 163             if (attrib.map_state != IsUnmapped)
 164                 client_manage(children[i]);
 165         }
 166     }
 167     XFree(children);
 168
 169     if (config_focus_new)
 170         focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
 171 }
 172
 173 void client_manage(Window window)
 174 {
 175     ObClient *self;
 176     XEvent e;
 177     XWindowAttributes attrib;
 178     XSetWindowAttributes attrib_set;
 179     XWMHints *wmhint;
 180     gboolean activate = FALSE;
 181
 182     grab_server(TRUE);
 183
 184     /* check if it has already been unmapped by the time we started mapping
 185        the grab does a sync so we don't have to here */
 186     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 187         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 188         XPutBackEvent(ob_display, &e);
 189
 190         grab_server(FALSE);
 191         return; /* don't manage it */
 192     }
 193
 194     /* make sure it isn't an override-redirect window */
 195     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 196         attrib.override_redirect) {
 197         grab_server(FALSE);
 198         return; /* don't manage it */
 199     }
 200
 201     /* is the window a docking app */
 202     if ((wmhint = XGetWMHints(ob_display, window))) {
 203         if ((wmhint->flags & StateHint) &&
 204             wmhint->initial_state == WithdrawnState) {
 205             dock_add(window, wmhint);
 206             grab_server(FALSE);
 207             XFree(wmhint);
 208             return;
 209         }
 210         XFree(wmhint);
 211     }
 212
 213     ob_debug("Managing window: %lx\n", window);
 214
 215     /* choose the events we want to receive on the CLIENT window */
 216     attrib_set.event_mask = CLIENT_EVENTMASK;
 217     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 218     XChangeWindowAttributes(ob_display, window,
 219                             CWEventMask|CWDontPropagate, &attrib_set);
 220
 221
 222     /* create the ObClient struct, and populate it from the hints on the
 223        window */
 224     self = g_new0(ObClient, 1);
 225     self->obwin.type = Window_Client;
 226     self->window = window;
 227
 228     /* non-zero defaults */
 229     self->title_count = 1;
 230     self->wmstate = NormalState;
 231     self->layer = -1;
 232     self->decorate = TRUE;
 233     self->desktop = screen_num_desktops; /* always an invalid value */
 234
 235     client_get_all(self);
 236     client_restore_session_state(self);
 237
 238     sn_app_started(self->class);
 239
 240     client_change_state(self);
 241
 242     /* remove the client's border (and adjust re gravity) */
 243     client_toggle_border(self, FALSE);
 244
 245     /* specify that if we exit, the window should not be destroyed and should
 246        be reparented back to root automatically */
 247     XChangeSaveSet(ob_display, window, SetModeInsert);
 248
 249     /* create the decoration frame for the client window */
 250     self->frame = frame_new();
 251
 252     frame_grab_client(self->frame, self);
 253
 254     grab_server(FALSE);
 255
 256     client_apply_startup_state(self);
 257
 258     /* update the focus lists */
 259     focus_order_add_new(self);
 260
 261     stacking_add(CLIENT_AS_WINDOW(self));
 262     client_restore_session_stacking(self);
 263
 264     /* focus the new window? */
 265     if (ob_state() != OB_STATE_STARTING && config_focus_new &&
 266         /* note the check against Type_Normal/Dialog, not client_normal(self),
 267            which would also include other types. in this case we want more
 268            strict rules for focus */
 269         (self->type == OB_CLIENT_TYPE_NORMAL ||
 270          self->type == OB_CLIENT_TYPE_DIALOG))
 271     {
 272         activate = TRUE;
 273 #if 0
 274         if (self->desktop != screen_desktop) {
 275             /* activate the window */
 276             activate = TRUE;
 277         } else {
 278             gboolean group_foc = FALSE;
 279
 280             if (self->group) {
 281                 GSList *it;
 282
 283                 for (it = self->group->members; it; it = it->next)
 284                 {
 285                     if (client_focused(it->data))
 286                     {
 287                         group_foc = TRUE;
 288                         break;
 289                     }
 290                 }
 291             }
 292             if ((group_foc ||
 293                  (!self->transient_for && (!self->group ||
 294                                            !self->group->members->next))) ||
 295                 client_search_focus_tree_full(self) ||
 296                 !focus_client ||
 297                 !client_normal(focus_client))
 298             {
 299                 /* activate the window */
 300                 activate = TRUE;
 301             }
 302         }
 303 #endif
 304     }
 305
 306     if (ob_state() == OB_STATE_RUNNING) {
 307         int x = self->area.x, ox = x;
 308         int y = self->area.y, oy = y;
 309
 310         place_client(self, &x, &y);
 311
 312         /* make sure the window is visible */
 313         client_find_onscreen(self, &x, &y,
 314                              self->frame->area.width,
 315                              self->frame->area.height,
 316                              client_normal(self));
 317
 318         if (x != ox || y != oy)
 319             client_move(self, x, y);
 320     }
 321
 322     client_showhide(self);
 323
 324     /* use client_focus instead of client_activate cuz client_activate does
 325        stuff like switch desktops etc and I'm not interested in all that when
 326        a window maps since its not based on an action from the user like
 327        clicking a window to activate is. so keep the new window out of the way
 328        but do focus it. */
 329     if (activate) client_focus(self);
 330
 331     /* client_activate does this but we aret using it so we have to do it
 332        here as well */
 333     if (screen_showing_desktop)
 334         screen_show_desktop(FALSE);
 335
 336     /* add to client list/map */
 337     client_list = g_list_append(client_list, self);
 338     g_hash_table_insert(window_map, &self->window, self);
 339
 340     /* this has to happen after we're in the client_list */
 341     screen_update_areas();
 342
 343     /* update the list hints */
 344     client_set_list();
 345
 346     keyboard_grab_for_client(self, TRUE);
 347     mouse_grab_for_client(self, TRUE);
 348
 349     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
 350 }
 351
 352 void client_unmanage_all()
 353 {
 354     while (client_list != NULL)
 355         client_unmanage(client_list->data);
 356 }
 357
 358 void client_unmanage(ObClient *self)
 359 {
 360     guint j;
 361     GSList *it;
 362
 363     ob_debug("Unmanaging window: %lx (%s)\n", self->window, self->class);
 364
 365     g_assert(self != NULL);
 366
 367     keyboard_grab_for_client(self, FALSE);
 368     mouse_grab_for_client(self, FALSE);
 369
 370     /* remove the window from our save set */
 371     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 372
 373     /* we dont want events no more */
 374     XSelectInput(ob_display, self->window, NoEventMask);
 375
 376     frame_hide(self->frame);
 377
 378     client_list = g_list_remove(client_list, self);
 379     stacking_remove(self);
 380     g_hash_table_remove(window_map, &self->window);
 381
 382     /* update the focus lists */
 383     focus_order_remove(self);
 384
 385     /* once the client is out of the list, update the struts to remove it's
 386        influence */
 387     screen_update_areas();
 388
 389     /* tell our parent(s) that we're gone */
 390     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 391         GSList *it;
 392
 393         for (it = self->group->members; it; it = it->next)
 394             if (it->data != self)
 395                 ((ObClient*)it->data)->transients =
 396                     g_slist_remove(((ObClient*)it->data)->transients, self);
 397     } else if (self->transient_for) {        /* transient of window */
 398         self->transient_for->transients =
 399             g_slist_remove(self->transient_for->transients, self);
 400     }
 401
 402     /* tell our transients that we're gone */
 403     for (it = self->transients; it != NULL; it = it->next) {
 404         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 405             ((ObClient*)it->data)->transient_for = NULL;
 406             client_calc_layer(it->data);
 407         }
 408     }
 409
 410     for (it = client_destructors; it; it = g_slist_next(it)) {
 411         GDestroyNotify func = (GDestroyNotify) it->data;
 412         func(self);
 413     }
 414
 415     if (focus_client == self) {
 416         XEvent e;
 417
 418         /* focus the last focused window on the desktop, and ignore enter
 419            events from the unmap so it doesnt mess with the focus */
 420         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
 421         client_unfocus(self);
 422     }
 423
 424     /* remove from its group */
 425     if (self->group) {
 426         group_remove(self->group, self);
 427         self->group = NULL;
 428     }
 429
 430     /* give the client its border back */
 431     client_toggle_border(self, TRUE);
 432
 433     /* reparent the window out of the frame, and free the frame */
 434     frame_release_client(self->frame, self);
 435     self->frame = NULL;
 436
 437     if (ob_state() != OB_STATE_EXITING) {
 438         /* these values should not be persisted across a window
 439            unmapping/mapping */
 440         PROP_ERASE(self->window, net_wm_desktop);
 441         PROP_ERASE(self->window, net_wm_state);
 442         PROP_ERASE(self->window, wm_state);
 443     } else {
 444         /* if we're left in an iconic state, the client wont be mapped. this is
 445            bad, since we will no longer be managing the window on restart */
 446         if (self->iconic)
 447             XMapWindow(ob_display, self->window);
 448     }
 449
 450
 451     ob_debug("Unmanaged window 0x%lx\n", self->window);
 452
 453     /* free all data allocated in the client struct */
 454     g_slist_free(self->transients);
 455     for (j = 0; j < self->nicons; ++j)
 456         g_free(self->icons[j].data);
 457     if (self->nicons > 0)
 458         g_free(self->icons);
 459     g_free(self->title);
 460     g_free(self->icon_title);
 461     g_free(self->name);
 462     g_free(self->class);
 463     g_free(self->role);
 464     g_free(self);
 465
 466     /* update the list hints */
 467     client_set_list();
 468 }
 469
 470 static void client_urgent_notify(ObClient *self)
 471 {
 472     if (self->urgent)
 473         frame_flash_start(self->frame);
 474     else
 475         frame_flash_stop(self->frame);
 476 }
 477
 478 static void client_restore_session_state(ObClient *self)
 479 {
 480     GList *it;
 481
 482     if (!(it = session_state_find(self)))
 483         return;
 484
 485     self->session = it->data;
 486
 487     RECT_SET(self->area, self->session->x, self->session->y,
 488              self->session->w, self->session->h);
 489     self->positioned = TRUE;
 490     XResizeWindow(ob_display, self->window,
 491                   self->session->w, self->session->h);
 492
 493     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 494                      self->session->desktop :
 495                      MIN(screen_num_desktops - 1, self->session->desktop));
 496     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 497
 498     self->shaded = self->session->shaded;
 499     self->iconic = self->session->iconic;
 500     self->skip_pager = self->session->skip_pager;
 501     self->skip_taskbar = self->session->skip_taskbar;
 502     self->fullscreen = self->session->fullscreen;
 503     self->above = self->session->above;
 504     self->below = self->session->below;
 505     self->max_horz = self->session->max_horz;
 506     self->max_vert = self->session->max_vert;
 507 }
 508
 509 static void client_restore_session_stacking(ObClient *self)
 510 {
 511     GList *it;
 512
 513     if (!self->session) return;
 514
 515     it = g_list_find(session_saved_state, self->session);
 516     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
 517         GList *cit;
 518
 519         for (cit = client_list; cit; cit = g_list_next(cit))
 520             if (session_state_cmp(it->data, cit->data))
 521                 break;
 522         if (cit) {
 523             client_calc_layer(self);
 524             stacking_below(CLIENT_AS_WINDOW(self),
 525                            CLIENT_AS_WINDOW(cit->data));
 526             break;
 527         }
 528     }
 529 }
 530
 531 void client_move_onscreen(ObClient *self, gboolean rude)
 532 {
 533     int x = self->area.x;
 534     int y = self->area.y;
 535     if (client_find_onscreen(self, &x, &y,
 536                              self->frame->area.width,
 537                              self->frame->area.height, rude)) {
 538         client_move(self, x, y);
 539     }
 540 }
 541
 542 gboolean client_find_onscreen(ObClient *self, int *x, int *y, int w, int h,
 543                               gboolean rude)
 544 {
 545     Rect *a;
 546     int ox = *x, oy = *y;
 547
 548     frame_client_gravity(self->frame, x, y); /* get where the frame
 549                                                 would be */
 550
 551     /* XXX watch for xinerama dead areas */
 552
 553     a = screen_area(self->desktop);
 554     if (!self->strut.right && *x >= a->x + a->width - 1)
 555         *x = a->x + a->width - self->frame->area.width;
 556     if (!self->strut.bottom && *y >= a->y + a->height - 1)
 557         *y = a->y + a->height - self->frame->area.height;
 558     if (!self->strut.left && *x + self->frame->area.width - 1 < a->x)
 559         *x = a->x;
 560     if (!self->strut.top && *y + self->frame->area.height - 1 < a->y)
 561         *y = a->y;
 562
 563     if (rude) {
 564         /* this is my MOZILLA BITCHSLAP. oh ya it fucking feels good.
 565            Java can suck it too. */
 566
 567         /* dont let windows map/move into the strut unless they
 568            are bigger than the available area */
 569         if (w <= a->width) {
 570             if (!self->strut.left && *x < a->x) *x = a->x;
 571             if (!self->strut.right && *x + w > a->x + a->width)
 572                 *x = a->x + a->width - w;
 573         }
 574         if (h <= a->height) {
 575             if (!self->strut.top && *y < a->y) *y = a->y;
 576             if (!self->strut.bottom && *y + h > a->y + a->height)
 577                 *y = a->y + a->height - h;
 578         }
 579     }
 580
 581     frame_frame_gravity(self->frame, x, y); /* get where the client
 582                                                should be */
 583
 584     return ox != *x || oy != *y;
 585 }
 586
 587 static void client_toggle_border(ObClient *self, gboolean show)
 588 {
 589     /* adjust our idea of where the client is, based on its border. When the
 590        border is removed, the client should now be considered to be in a
 591        different position.
 592        when re-adding the border to the client, the same operation needs to be
 593        reversed. */
 594     int oldx = self->area.x, oldy = self->area.y;
 595     int x = oldx, y = oldy;
 596     switch(self->gravity) {
 597     default:
 598     case NorthWestGravity:
 599     case WestGravity:
 600     case SouthWestGravity:
 601         break;
 602     case NorthEastGravity:
 603     case EastGravity:
 604     case SouthEastGravity:
 605         if (show) x -= self->border_width * 2;
 606         else      x += self->border_width * 2;
 607         break;
 608     case NorthGravity:
 609     case SouthGravity:
 610     case CenterGravity:
 611     case ForgetGravity:
 612     case StaticGravity:
 613         if (show) x -= self->border_width;
 614         else      x += self->border_width;
 615         break;
 616     }
 617     switch(self->gravity) {
 618     default:
 619     case NorthWestGravity:
 620     case NorthGravity:
 621     case NorthEastGravity:
 622         break;
 623     case SouthWestGravity:
 624     case SouthGravity:
 625     case SouthEastGravity:
 626         if (show) y -= self->border_width * 2;
 627         else      y += self->border_width * 2;
 628         break;
 629     case WestGravity:
 630     case EastGravity:
 631     case CenterGravity:
 632     case ForgetGravity:
 633     case StaticGravity:
 634         if (show) y -= self->border_width;
 635         else      y += self->border_width;
 636         break;
 637     }
 638     self->area.x = x;
 639     self->area.y = y;
 640
 641     if (show) {
 642         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 643
 644         /* move the client so it is back it the right spot _with_ its
 645            border! */
 646         if (x != oldx || y != oldy)
 647             XMoveWindow(ob_display, self->window, x, y);
 648     } else
 649         XSetWindowBorderWidth(ob_display, self->window, 0);
 650 }
 651
 652
 653 static void client_get_all(ObClient *self)
 654 {
 655     client_get_area(self);
 656     client_update_transient_for(self);
 657     client_update_wmhints(self);
 658     client_get_startup_id(self);
 659     client_get_desktop(self);
 660     client_get_state(self);
 661     client_get_shaped(self);
 662
 663     g_message("self->iconic %d", self->iconic);
 664
 665     client_get_mwm_hints(self);
 666     client_get_type(self);/* this can change the mwmhints for special cases */
 667
 668     client_update_protocols(self);
 669
 670     client_get_gravity(self); /* get the attribute gravity */
 671     client_update_normal_hints(self); /* this may override the attribute
 672                                          gravity */
 673
 674     /* got the type, the mwmhints, the protocols, and the normal hints
 675        (min/max sizes), so we're ready to set up the decorations/functions */
 676     client_setup_decor_and_functions(self);
 677
 678     client_update_title(self);
 679     client_update_class(self);
 680     client_update_strut(self);
 681     client_update_icons(self);
 682 }
 683
 684 static void client_get_startup_id(ObClient *self)
 685 {
 686     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
 687         if (self->group)
 688             PROP_GETS(self->group->leader,
 689                       net_startup_id, utf8, &self->startup_id);
 690 }
 691
 692 static void client_get_area(ObClient *self)
 693 {
 694     XWindowAttributes wattrib;
 695     Status ret;
 696
 697     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 698     g_assert(ret != BadWindow);
 699
 700     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 701     self->border_width = wattrib.border_width;
 702 }
 703
 704 static void client_get_desktop(ObClient *self)
 705 {
 706     guint32 d = screen_num_desktops; /* an always-invalid value */
 707
 708     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
 709         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 710             self->desktop = screen_num_desktops - 1;
 711         else
 712             self->desktop = d;
 713     } else {
 714         gboolean trdesk = FALSE;
 715
 716        if (self->transient_for) {
 717            if (self->transient_for != OB_TRAN_GROUP) {
 718                 self->desktop = self->transient_for->desktop;
 719                 trdesk = TRUE;
 720             } else {
 721                 GSList *it;
 722
 723                 for (it = self->group->members; it; it = it->next)
 724                     if (it->data != self &&
 725                         !((ObClient*)it->data)->transient_for) {
 726                         self->desktop = ((ObClient*)it->data)->desktop;
 727                         trdesk = TRUE;
 728                         break;
 729                     }
 730             }
 731        }
 732        if (!trdesk) {
 733            /* try get from the startup-notification protocol */
 734            if (sn_get_desktop(self->startup_id, &self->desktop)) {
 735                if (self->desktop >= screen_num_desktops &&
 736                    self->desktop != DESKTOP_ALL)
 737                    self->desktop = screen_num_desktops - 1;
 738            } else
 739                /* defaults to the current desktop */
 740                self->desktop = screen_desktop;
 741        }
 742     }
 743     if (self->desktop != d) {
 744         /* set the desktop hint, to make sure that it always exists */
 745         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 746     }
 747 }
 748
 749 static void client_get_state(ObClient *self)
 750 {
 751     guint32 *state;
 752     guint num;
 753
 754     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
 755         gulong i;
 756         for (i = 0; i < num; ++i) {
 757             if (state[i] == prop_atoms.net_wm_state_modal)
 758                 self->modal = TRUE;
 759             else if (state[i] == prop_atoms.net_wm_state_shaded)
 760                 self->shaded = TRUE;
 761             else if (state[i] == prop_atoms.net_wm_state_hidden)
 762                 self->iconic = TRUE;
 763             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 764                 self->skip_taskbar = TRUE;
 765             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 766                 self->skip_pager = TRUE;
 767             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 768                 self->fullscreen = TRUE;
 769             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 770                 self->max_vert = TRUE;
 771             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 772                 self->max_horz = TRUE;
 773             else if (state[i] == prop_atoms.net_wm_state_above)
 774                 self->above = TRUE;
 775             else if (state[i] == prop_atoms.net_wm_state_below)
 776                 self->below = TRUE;
 777         }
 778
 779         g_free(state);
 780     }
 781 }
 782
 783 static void client_get_shaped(ObClient *self)
 784 {
 785     self->shaped = FALSE;
 786 #ifdef   SHAPE
 787     if (extensions_shape) {
 788         int foo;
 789         guint ufoo;
 790         int s;
 791
 792         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 793
 794         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 795                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 796                            &ufoo);
 797         self->shaped = (s != 0);
 798     }
 799 #endif
 800 }
 801
 802 void client_update_transient_for(ObClient *self)
 803 {
 804     Window t = None;
 805     ObClient *target = NULL;
 806
 807     if (XGetTransientForHint(ob_display, self->window, &t)) {
 808         self->transient = TRUE;
 809         if (t != self->window) { /* cant be transient to itself! */
 810             target = g_hash_table_lookup(window_map, &t);
 811             /* if this happens then we need to check for it*/
 812             g_assert(target != self);
 813             if (target && !WINDOW_IS_CLIENT(target)) {
 814                 /* this can happen when a dialog is a child of
 815                    a dockapp, for example */
 816                 target = NULL;
 817             }
 818
 819             if (!target && self->group) {
 820                 /* not transient to a client, see if it is transient for a
 821                    group */
 822                 if (t == self->group->leader ||
 823                     t == None ||
 824                     t == RootWindow(ob_display, ob_screen)) {
 825                     /* window is a transient for its group! */
 826                     target = OB_TRAN_GROUP;
 827                 }
 828             }
 829         }
 830     } else
 831         self->transient = FALSE;
 832
 833     /* if anything has changed... */
 834     if (target != self->transient_for) {
 835         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 836             GSList *it;
 837
 838             /* remove from old parents */
 839             for (it = self->group->members; it; it = g_slist_next(it)) {
 840                 ObClient *c = it->data;
 841                 if (c != self && !c->transient_for)
 842                     c->transients = g_slist_remove(c->transients, self);
 843             }
 844         } else if (self->transient_for != NULL) { /* transient of window */
 845             /* remove from old parent */
 846             self->transient_for->transients =
 847                 g_slist_remove(self->transient_for->transients, self);
 848         }
 849         self->transient_for = target;
 850         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 851             GSList *it;
 852
 853             /* add to new parents */
 854             for (it = self->group->members; it; it = g_slist_next(it)) {
 855                 ObClient *c = it->data;
 856                 if (c != self && !c->transient_for)
 857                     c->transients = g_slist_append(c->transients, self);
 858             }
 859
 860             /* remove all transients which are in the group, that causes
 861                circlular pointer hell of doom */
 862             for (it = self->group->members; it; it = g_slist_next(it)) {
 863                 GSList *sit, *next;
 864                 for (sit = self->transients; sit; sit = next) {
 865                     next = g_slist_next(sit);
 866                     if (sit->data == it->data)
 867                         self->transients =
 868                             g_slist_delete_link(self->transients, sit);
 869                 }
 870             }
 871         } else if (self->transient_for != NULL) { /* transient of window */
 872             /* add to new parent */
 873             self->transient_for->transients =
 874                 g_slist_append(self->transient_for->transients, self);
 875         }
 876     }
 877 }
 878
 879 static void client_get_mwm_hints(ObClient *self)
 880 {
 881     guint num;
 882     guint32 *hints;
 883
 884     self->mwmhints.flags = 0; /* default to none */
 885
 886     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
 887                     &hints, &num)) {
 888         if (num >= OB_MWM_ELEMENTS) {
 889             self->mwmhints.flags = hints[0];
 890             self->mwmhints.functions = hints[1];
 891             self->mwmhints.decorations = hints[2];
 892         }
 893         g_free(hints);
 894     }
 895 }
 896
 897 void client_get_type(ObClient *self)
 898 {
 899     guint num, i;
 900     guint32 *val;
 901
 902     self->type = -1;
 903
 904     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
 905         /* use the first value that we know about in the array */
 906         for (i = 0; i < num; ++i) {
 907             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 908                 self->type = OB_CLIENT_TYPE_DESKTOP;
 909             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 910                 self->type = OB_CLIENT_TYPE_DOCK;
 911             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 912                 self->type = OB_CLIENT_TYPE_TOOLBAR;
 913             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 914                 self->type = OB_CLIENT_TYPE_MENU;
 915             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 916                 self->type = OB_CLIENT_TYPE_UTILITY;
 917             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 918                 self->type = OB_CLIENT_TYPE_SPLASH;
 919             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 920                 self->type = OB_CLIENT_TYPE_DIALOG;
 921             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 922                 self->type = OB_CLIENT_TYPE_NORMAL;
 923             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 924                 /* prevent this window from getting any decor or
 925                    functionality */
 926                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
 927                                          OB_MWM_FLAG_DECORATIONS);
 928                 self->mwmhints.decorations = 0;
 929                 self->mwmhints.functions = 0;
 930             }
 931             if (self->type != (ObClientType) -1)
 932                 break; /* grab the first legit type */
 933         }
 934         g_free(val);
 935     }
 936
 937     if (self->type == (ObClientType) -1) {
 938         /*the window type hint was not set, which means we either classify
 939           ourself as a normal window or a dialog, depending on if we are a
 940           transient. */
 941         if (self->transient)
 942             self->type = OB_CLIENT_TYPE_DIALOG;
 943         else
 944             self->type = OB_CLIENT_TYPE_NORMAL;
 945     }
 946 }
 947
 948 void client_update_protocols(ObClient *self)
 949 {
 950     guint32 *proto;
 951     guint num_return, i;
 952
 953     self->focus_notify = FALSE;
 954     self->delete_window = FALSE;
 955
 956     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
 957         for (i = 0; i < num_return; ++i) {
 958             if (proto[i] == prop_atoms.wm_delete_window) {
 959                 /* this means we can request the window to close */
 960                 self->delete_window = TRUE;
 961             } else if (proto[i] == prop_atoms.wm_take_focus)
 962                 /* if this protocol is requested, then the window will be
 963                    notified whenever we want it to receive focus */
 964                 self->focus_notify = TRUE;
 965         }
 966         g_free(proto);
 967     }
 968 }
 969
 970 static void client_get_gravity(ObClient *self)
 971 {
 972     XWindowAttributes wattrib;
 973     Status ret;
 974
 975     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 976     g_assert(ret != BadWindow);
 977     self->gravity = wattrib.win_gravity;
 978 }
 979
 980 void client_update_normal_hints(ObClient *self)
 981 {
 982     XSizeHints size;
 983     long ret;
 984     int oldgravity = self->gravity;
 985
 986     /* defaults */
 987     self->min_ratio = 0.0f;
 988     self->max_ratio = 0.0f;
 989     SIZE_SET(self->size_inc, 1, 1);
 990     SIZE_SET(self->base_size, 0, 0);
 991     SIZE_SET(self->min_size, 0, 0);
 992     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
 993
 994     /* get the hints from the window */
 995     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
 996         self->positioned = !!(size.flags & (PPosition|USPosition));
 997
 998         if (size.flags & PWinGravity) {
 999             self->gravity = size.win_gravity;
1000
1001             /* if the client has a frame, i.e. has already been mapped and
1002                is changing its gravity */
1003             if (self->frame && self->gravity != oldgravity) {
1004                 /* move our idea of the client's position based on its new
1005                    gravity */
1006                 self->area.x = self->frame->area.x;
1007                 self->area.y = self->frame->area.y;
1008                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
1009             }
1010         }
1011
1012         if (size.flags & PAspect) {
1013             if (size.min_aspect.y)
1014                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
1015             if (size.max_aspect.y)
1016                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
1017         }
1018
1019         if (size.flags & PMinSize)
1020             SIZE_SET(self->min_size, size.min_width, size.min_height);
1021
1022         if (size.flags & PMaxSize)
1023             SIZE_SET(self->max_size, size.max_width, size.max_height);
1024
1025         if (size.flags & PBaseSize)
1026             SIZE_SET(self->base_size, size.base_width, size.base_height);
1027
1028         if (size.flags & PResizeInc)
1029             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1030     }
1031 }
1032
1033 void client_setup_decor_and_functions(ObClient *self)
1034 {
1035     /* start with everything (cept fullscreen) */
1036     self->decorations =
1037         (OB_FRAME_DECOR_TITLEBAR |
1038          (ob_rr_theme->show_handle ? OB_FRAME_DECOR_HANDLE : 0) |
1039          OB_FRAME_DECOR_GRIPS |
1040          OB_FRAME_DECOR_BORDER |
1041          OB_FRAME_DECOR_ICON |
1042          OB_FRAME_DECOR_ALLDESKTOPS |
1043          OB_FRAME_DECOR_ICONIFY |
1044          OB_FRAME_DECOR_MAXIMIZE |
1045          OB_FRAME_DECOR_SHADE);
1046     self->functions =
1047         (OB_CLIENT_FUNC_RESIZE |
1048          OB_CLIENT_FUNC_MOVE |
1049          OB_CLIENT_FUNC_ICONIFY |
1050          OB_CLIENT_FUNC_MAXIMIZE |
1051          OB_CLIENT_FUNC_SHADE);
1052     if (self->delete_window) {
1053         self->functions |= OB_CLIENT_FUNC_CLOSE;
1054         self->decorations |= OB_FRAME_DECOR_CLOSE;
1055     }
1056
1057     if (!(self->min_size.width < self->max_size.width ||
1058           self->min_size.height < self->max_size.height))
1059         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1060
1061     switch (self->type) {
1062     case OB_CLIENT_TYPE_NORMAL:
1063         /* normal windows retain all of the possible decorations and
1064            functionality, and are the only windows that you can fullscreen */
1065         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1066         break;
1067
1068     case OB_CLIENT_TYPE_DIALOG:
1069     case OB_CLIENT_TYPE_UTILITY:
1070         /* these windows cannot be maximized */
1071         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1072         break;
1073
1074     case OB_CLIENT_TYPE_MENU:
1075     case OB_CLIENT_TYPE_TOOLBAR:
1076         /* these windows get less functionality */
1077         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1078         break;
1079
1080     case OB_CLIENT_TYPE_DESKTOP:
1081     case OB_CLIENT_TYPE_DOCK:
1082     case OB_CLIENT_TYPE_SPLASH:
1083         /* none of these windows are manipulated by the window manager */
1084         self->decorations = 0;
1085         self->functions = 0;
1086         break;
1087     }
1088
1089     /* Mwm Hints are applied subtractively to what has already been chosen for
1090        decor and functionality */
1091     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1092         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1093             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1094                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1095                 /* if the mwm hints request no handle or title, then all
1096                    decorations are disabled */
1097                 self->decorations = 0;
1098         }
1099     }
1100
1101     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1102         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1103             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1104                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1105             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1106                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1107             /* dont let mwm hints kill any buttons
1108             if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1109                 self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1110             if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1111                 self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1112             */
1113             /* dont let mwm hints kill the close button
1114                if (! (self->mwmhints.functions & MwmFunc_Close))
1115                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1116         }
1117     }
1118
1119     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1120         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1121     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1122         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1123     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1124         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1125
1126     /* can't maximize without moving/resizing */
1127     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1128           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1129           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1130         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1131         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1132     }
1133
1134     /* kill the handle on fully maxed windows */
1135     if (self->max_vert && self->max_horz)
1136         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1137
1138     /* finally, the user can have requested no decorations, which overrides
1139        everything */
1140     if (!self->decorate)
1141         self->decorations = OB_FRAME_DECOR_BORDER;
1142
1143     /* if we don't have a titlebar, then we cannot shade! */
1144     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1145         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1146
1147     /* now we need to check against rules for the client's current state */
1148     if (self->fullscreen) {
1149         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1150                             OB_CLIENT_FUNC_FULLSCREEN |
1151                             OB_CLIENT_FUNC_ICONIFY);
1152         self->decorations = 0;
1153     }
1154
1155     client_change_allowed_actions(self);
1156
1157     if (self->frame) {
1158         /* adjust the client's decorations, etc. */
1159         client_reconfigure(self);
1160     } else {
1161         /* this makes sure that these windows appear on all desktops */
1162         if (self->type == OB_CLIENT_TYPE_DESKTOP &&
1163             self->desktop != DESKTOP_ALL)
1164         {
1165             self->desktop = DESKTOP_ALL;
1166         }
1167     }
1168 }
1169
1170 static void client_change_allowed_actions(ObClient *self)
1171 {
1172     guint32 actions[9];
1173     int num = 0;
1174
1175     /* desktop windows are kept on all desktops */
1176     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1177         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1178
1179     if (self->functions & OB_CLIENT_FUNC_SHADE)
1180         actions[num++] = prop_atoms.net_wm_action_shade;
1181     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1182         actions[num++] = prop_atoms.net_wm_action_close;
1183     if (self->functions & OB_CLIENT_FUNC_MOVE)
1184         actions[num++] = prop_atoms.net_wm_action_move;
1185     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1186         actions[num++] = prop_atoms.net_wm_action_minimize;
1187     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1188         actions[num++] = prop_atoms.net_wm_action_resize;
1189     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1190         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1191     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1192         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1193         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1194     }
1195
1196     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1197
1198     /* make sure the window isn't breaking any rules now */
1199
1200     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1201         if (self->frame) client_shade(self, FALSE);
1202         else self->shaded = FALSE;
1203     }
1204     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1205         if (self->frame) client_iconify(self, FALSE, TRUE);
1206         else self->iconic = FALSE;
1207     }
1208     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1209         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1210         else self->fullscreen = FALSE;
1211     }
1212     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1213                                                          self->max_vert)) {
1214         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1215         else self->max_vert = self->max_horz = FALSE;
1216     }
1217 }
1218
1219 void client_reconfigure(ObClient *self)
1220 {
1221     /* by making this pass FALSE for user, we avoid the emacs event storm where
1222        every configurenotify causes an update in its normal hints, i think this
1223        is generally what we want anyways... */
1224     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1225                      self->area.width, self->area.height, FALSE, TRUE);
1226 }
1227
1228 void client_update_wmhints(ObClient *self)
1229 {
1230     XWMHints *hints;
1231     gboolean ur = FALSE;
1232     GSList *it;
1233
1234     /* assume a window takes input if it doesnt specify */
1235     self->can_focus = TRUE;
1236
1237     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1238         if (hints->flags & InputHint)
1239             self->can_focus = hints->input;
1240
1241         /* only do this when first managing the window *AND* when we aren't
1242            starting up! */
1243         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1244             if (hints->flags & StateHint)
1245                 self->iconic = hints->initial_state == IconicState;
1246
1247         if (hints->flags & XUrgencyHint)
1248             ur = TRUE;
1249
1250         if (!(hints->flags & WindowGroupHint))
1251             hints->window_group = None;
1252
1253         /* did the group state change? */
1254         if (hints->window_group !=
1255             (self->group ? self->group->leader : None)) {
1256             /* remove from the old group if there was one */
1257             if (self->group != NULL) {
1258                 /* remove transients of the group */
1259                 for (it = self->group->members; it; it = it->next)
1260                     self->transients = g_slist_remove(self->transients,
1261                                                       it->data);
1262                 group_remove(self->group, self);
1263                 self->group = NULL;
1264             }
1265             if (hints->window_group != None) {
1266                 self->group = group_add(hints->window_group, self);
1267
1268                 /* i can only have transients from the group if i am not
1269                    transient myself */
1270                 if (!self->transient_for) {
1271                     /* add other transients of the group that are already
1272                        set up */
1273                     for (it = self->group->members; it; it = it->next) {
1274                         ObClient *c = it->data;
1275                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1276                             self->transients =
1277                                 g_slist_append(self->transients, c);
1278                     }
1279                 }
1280             }
1281
1282             /* because the self->transient flag wont change from this call,
1283                we don't need to update the window's type and such, only its
1284                transient_for, and the transients lists of other windows in
1285                the group may be affected */
1286             client_update_transient_for(self);
1287         }
1288
1289         /* the WM_HINTS can contain an icon */
1290         client_update_icons(self);
1291
1292         XFree(hints);
1293     }
1294
1295     if (ur != self->urgent) {
1296         self->urgent = ur;
1297         ob_debug("Urgent Hint for 0x%lx: %s\n", self->window,
1298                  ur ? "ON" : "OFF");
1299         /* fire the urgent callback if we're mapped, otherwise, wait until
1300            after we're mapped */
1301         if (self->frame)
1302             client_urgent_notify(self);
1303     }
1304 }
1305
1306 void client_update_title(ObClient *self)
1307 {
1308     GList *it;
1309     guint32 nums;
1310     guint i;
1311     gchar *data = NULL;
1312     gboolean read_title;
1313     gchar *old_title;
1314
1315     old_title = self->title;
1316
1317     /* try netwm */
1318     if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1319         /* try old x stuff */
1320         if (!PROP_GETS(self->window, wm_name, locale, &data))
1321             data = g_strdup("Unnamed Window");
1322
1323     /* did the title change? then reset the title_count */
1324     if (old_title && 0 != strncmp(old_title, data, strlen(data)))
1325         self->title_count = 1;
1326
1327     /* look for duplicates and append a number */
1328     nums = 0;
1329     for (it = client_list; it; it = it->next)
1330         if (it->data != self) {
1331             ObClient *c = it->data;
1332             if (0 == strncmp(c->title, data, strlen(data)))
1333                 nums |= 1 << c->title_count;
1334         }
1335     /* find first free number */
1336     for (i = 1; i <= 32; ++i)
1337         if (!(nums & (1 << i))) {
1338             if (self->title_count == 1 || i == 1)
1339                 self->title_count = i;
1340             break;
1341         }
1342     /* dont display the number for the first window */
1343     if (self->title_count > 1) {
1344         char *ndata;
1345         ndata = g_strdup_printf("%s - [%u]", data, self->title_count);
1346         g_free(data);
1347         data = ndata;
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     g_free(old_title);
1358
1359     /* update the icon title */
1360     data = NULL;
1361     g_free(self->icon_title);
1362
1363     read_title = TRUE;
1364     /* try netwm */
1365     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1366         /* try old x stuff */
1367         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1368             data = g_strdup(self->title);
1369             read_title = FALSE;
1370         }
1371
1372     /* append the title count, dont display the number for the first window */
1373     if (read_title && self->title_count > 1) {
1374         char *vdata, *ndata;
1375         ndata = g_strdup_printf(" - [%u]", self->title_count);
1376         vdata = g_strconcat(data, ndata, NULL);
1377         g_free(ndata);
1378         g_free(data);
1379         data = vdata;
1380     }
1381
1382     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1383
1384     self->icon_title = data;
1385 }
1386
1387 void client_update_class(ObClient *self)
1388 {
1389     char **data;
1390     char *s;
1391
1392     if (self->name) g_free(self->name);
1393     if (self->class) g_free(self->class);
1394     if (self->role) g_free(self->role);
1395
1396     self->name = self->class = self->role = NULL;
1397
1398     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1399         if (data[0]) {
1400             self->name = g_strdup(data[0]);
1401             if (data[1])
1402                 self->class = g_strdup(data[1]);
1403         }
1404         g_strfreev(data);
1405     }
1406
1407     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1408         self->role = g_strdup(s);
1409
1410     if (self->name == NULL) self->name = g_strdup("");
1411     if (self->class == NULL) self->class = g_strdup("");
1412     if (self->role == NULL) self->role = g_strdup("");
1413 }
1414
1415 void client_update_strut(ObClient *self)
1416 {
1417     guint num;
1418     guint32 *data;
1419     gboolean got = FALSE;
1420     StrutPartial strut;
1421
1422     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1423                     &data, &num)) {
1424         if (num == 12) {
1425             got = TRUE;
1426             STRUT_PARTIAL_SET(strut,
1427                               data[0], data[2], data[1], data[3],
1428                               data[4], data[5], data[8], data[9],
1429                               data[6], data[7], data[10], data[11]);
1430         }
1431         g_free(data);
1432     }
1433
1434     if (!got &&
1435         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1436         if (num == 4) {
1437             got = TRUE;
1438             STRUT_PARTIAL_SET(strut,
1439                               data[0], data[2], data[1], data[3],
1440                               0, 0, 0, 0, 0, 0, 0, 0);
1441         }
1442         g_free(data);
1443     }
1444
1445     if (!got)
1446         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1447                           0, 0, 0, 0, 0, 0, 0, 0);
1448
1449     if (!STRUT_EQUAL(strut, self->strut)) {
1450         self->strut = strut;
1451
1452         /* updating here is pointless while we're being mapped cuz we're not in
1453            the client list yet */
1454         if (self->frame)
1455             screen_update_areas();
1456     }
1457 }
1458
1459 void client_update_icons(ObClient *self)
1460 {
1461     guint num;
1462     guint32 *data;
1463     guint w, h, i, j;
1464
1465     for (i = 0; i < self->nicons; ++i)
1466         g_free(self->icons[i].data);
1467     if (self->nicons > 0)
1468         g_free(self->icons);
1469     self->nicons = 0;
1470
1471     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1472         /* figure out how many valid icons are in here */
1473         i = 0;
1474         while (num - i > 2) {
1475             w = data[i++];
1476             h = data[i++];
1477             i += w * h;
1478             if (i > num || w*h == 0) break;
1479             ++self->nicons;
1480         }
1481
1482         self->icons = g_new(ObClientIcon, self->nicons);
1483
1484         /* store the icons */
1485         i = 0;
1486         for (j = 0; j < self->nicons; ++j) {
1487             guint x, y, t;
1488
1489             w = self->icons[j].width = data[i++];
1490             h = self->icons[j].height = data[i++];
1491
1492             if (w*h == 0) continue;
1493
1494             self->icons[j].data = g_new(RrPixel32, w * h);
1495             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1496                 if (x >= w) {
1497                     x = 0;
1498                     ++y;
1499                 }
1500                 self->icons[j].data[t] =
1501                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1502                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1503                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1504                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1505             }
1506             g_assert(i <= num);
1507         }
1508
1509         g_free(data);
1510     } else if (PROP_GETA32(self->window, kwm_win_icon,
1511                            kwm_win_icon, &data, &num)) {
1512         if (num == 2) {
1513             self->nicons++;
1514             self->icons = g_new(ObClientIcon, self->nicons);
1515             xerror_set_ignore(TRUE);
1516             if (!RrPixmapToRGBA(ob_rr_inst,
1517                                 data[0], data[1],
1518                                 &self->icons[self->nicons-1].width,
1519                                 &self->icons[self->nicons-1].height,
1520                                 &self->icons[self->nicons-1].data)) {
1521                 g_free(&self->icons[self->nicons-1]);
1522                 self->nicons--;
1523             }
1524             xerror_set_ignore(FALSE);
1525         }
1526         g_free(data);
1527     } else {
1528         XWMHints *hints;
1529
1530         if ((hints = XGetWMHints(ob_display, self->window))) {
1531             if (hints->flags & IconPixmapHint) {
1532                 self->nicons++;
1533                 self->icons = g_new(ObClientIcon, self->nicons);
1534                 xerror_set_ignore(TRUE);
1535                 if (!RrPixmapToRGBA(ob_rr_inst,
1536                                     hints->icon_pixmap,
1537                                     (hints->flags & IconMaskHint ?
1538                                      hints->icon_mask : None),
1539                                     &self->icons[self->nicons-1].width,
1540                                     &self->icons[self->nicons-1].height,
1541                                     &self->icons[self->nicons-1].data)){
1542                     g_free(&self->icons[self->nicons-1]);
1543                     self->nicons--;
1544                 }
1545                 xerror_set_ignore(FALSE);
1546             }
1547             XFree(hints);
1548         }
1549     }
1550
1551     if (self->frame)
1552         frame_adjust_icon(self->frame);
1553 }
1554
1555 static void client_change_state(ObClient *self)
1556 {
1557     guint32 state[2];
1558     guint32 netstate[10];
1559     guint num;
1560
1561     state[0] = self->wmstate;
1562     state[1] = None;
1563     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1564
1565     num = 0;
1566     if (self->modal)
1567         netstate[num++] = prop_atoms.net_wm_state_modal;
1568     if (self->shaded)
1569         netstate[num++] = prop_atoms.net_wm_state_shaded;
1570     if (self->iconic)
1571         netstate[num++] = prop_atoms.net_wm_state_hidden;
1572     if (self->skip_taskbar)
1573         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1574     if (self->skip_pager)
1575         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1576     if (self->fullscreen)
1577         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1578     if (self->max_vert)
1579         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1580     if (self->max_horz)
1581         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1582     if (self->above)
1583         netstate[num++] = prop_atoms.net_wm_state_above;
1584     if (self->below)
1585         netstate[num++] = prop_atoms.net_wm_state_below;
1586     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1587
1588     client_calc_layer(self);
1589
1590     if (self->frame)
1591         frame_adjust_state(self->frame);
1592 }
1593
1594 ObClient *client_search_focus_tree(ObClient *self)
1595 {
1596     GSList *it;
1597     ObClient *ret;
1598
1599     for (it = self->transients; it != NULL; it = it->next) {
1600         if (client_focused(it->data)) return it->data;
1601         if ((ret = client_search_focus_tree(it->data))) return ret;
1602     }
1603     return NULL;
1604 }
1605
1606 ObClient *client_search_focus_tree_full(ObClient *self)
1607 {
1608     if (self->transient_for) {
1609         if (self->transient_for != OB_TRAN_GROUP) {
1610             return client_search_focus_tree_full(self->transient_for);
1611         } else {
1612             GSList *it;
1613             gboolean recursed = FALSE;
1614
1615             for (it = self->group->members; it; it = it->next)
1616                 if (!((ObClient*)it->data)->transient_for) {
1617                     ObClient *c;
1618                     if ((c = client_search_focus_tree_full(it->data)))
1619                         return c;
1620                     recursed = TRUE;
1621                 }
1622             if (recursed)
1623               return NULL;
1624         }
1625     }
1626
1627     /* this function checks the whole tree, the client_search_focus_tree~
1628        does not, so we need to check this window */
1629     if (client_focused(self))
1630       return self;
1631     return client_search_focus_tree(self);
1632 }
1633
1634 static ObStackingLayer calc_layer(ObClient *self)
1635 {
1636     ObStackingLayer l;
1637
1638     if (self->fullscreen) l = OB_STACKING_LAYER_FULLSCREEN;
1639     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1640         l = OB_STACKING_LAYER_DESKTOP;
1641     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1642         if (!self->below) l = OB_STACKING_LAYER_TOP;
1643         else l = OB_STACKING_LAYER_NORMAL;
1644     }
1645     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1646     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1647     else l = OB_STACKING_LAYER_NORMAL;
1648
1649     return l;
1650 }
1651
1652 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1653                                         ObStackingLayer l, gboolean raised)
1654 {
1655     ObStackingLayer old, own;
1656     GSList *it;
1657
1658     old = self->layer;
1659     own = calc_layer(self);
1660     self->layer = l > own ? l : own;
1661
1662     for (it = self->transients; it; it = it->next)
1663         client_calc_layer_recursive(it->data, orig,
1664                                     l, raised ? raised : l != old);
1665
1666     if (!raised && l != old)
1667         if (orig->frame) { /* only restack if the original window is managed */
1668             /* XXX add_non_intrusive ever? */
1669             stacking_remove(CLIENT_AS_WINDOW(self));
1670             stacking_add(CLIENT_AS_WINDOW(self));
1671         }
1672 }
1673
1674 void client_calc_layer(ObClient *self)
1675 {
1676     ObStackingLayer l;
1677     ObClient *orig;
1678
1679     orig = self;
1680
1681     /* transients take on the layer of their parents */
1682     self = client_search_top_transient(self);
1683
1684     l = calc_layer(self);
1685
1686     client_calc_layer_recursive(self, orig, l, FALSE);
1687 }
1688
1689 gboolean client_should_show(ObClient *self)
1690 {
1691     if (self->iconic) return FALSE;
1692     else if (!(self->desktop == screen_desktop ||
1693                self->desktop == DESKTOP_ALL)) return FALSE;
1694     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1695
1696     return TRUE;
1697 }
1698
1699 static void client_showhide(ObClient *self)
1700 {
1701
1702     if (client_should_show(self))
1703         frame_show(self->frame);
1704     else
1705         frame_hide(self->frame);
1706 }
1707
1708 gboolean client_normal(ObClient *self) {
1709     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1710               self->type == OB_CLIENT_TYPE_DOCK ||
1711               self->type == OB_CLIENT_TYPE_SPLASH);
1712 }
1713
1714 static void client_apply_startup_state(ObClient *self)
1715 {
1716     /* these are in a carefully crafted order.. */
1717
1718     g_message("self->iconic %d", self->iconic);
1719     if (self->iconic) {
1720         self->iconic = FALSE;
1721         client_iconify(self, TRUE, FALSE);
1722     }
1723     if (self->fullscreen) {
1724         self->fullscreen = FALSE;
1725         client_fullscreen(self, TRUE, FALSE);
1726     }
1727     if (self->shaded) {
1728         self->shaded = FALSE;
1729         client_shade(self, TRUE);
1730     }
1731     if (self->urgent)
1732         client_urgent_notify(self);
1733
1734     if (self->max_vert && self->max_horz) {
1735         self->max_vert = self->max_horz = FALSE;
1736         client_maximize(self, TRUE, 0, FALSE);
1737     } else if (self->max_vert) {
1738         self->max_vert = FALSE;
1739         client_maximize(self, TRUE, 2, FALSE);
1740     } else if (self->max_horz) {
1741         self->max_horz = FALSE;
1742         client_maximize(self, TRUE, 1, FALSE);
1743     }
1744
1745     /* nothing to do for the other states:
1746        skip_taskbar
1747        skip_pager
1748        modal
1749        above
1750        below
1751     */
1752 }
1753
1754 void client_configure_full(ObClient *self, ObCorner anchor,
1755                            int x, int y, int w, int h,
1756                            gboolean user, gboolean final,
1757                            gboolean force_reply)
1758 {
1759     gboolean moved = FALSE, resized = FALSE;
1760     guint fdecor = self->frame->decorations;
1761     gboolean fhorz = self->frame->max_horz;
1762
1763     /* make the frame recalculate its dimentions n shit without changing
1764        anything visible for real, this way the constraints below can work with
1765        the updated frame dimensions. */
1766     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
1767
1768     /* gets the frame's position */
1769     frame_client_gravity(self->frame, &x, &y);
1770
1771     /* these positions are frame positions, not client positions */
1772
1773     /* set the size and position if fullscreen */
1774     if (self->fullscreen) {
1775 #ifdef VIDMODE
1776         int dot;
1777         XF86VidModeModeLine mode;
1778 #endif
1779         Rect *a;
1780         guint i;
1781
1782         i = client_monitor(self);
1783         a = screen_physical_area_monitor(i);
1784
1785 #ifdef VIDMODE
1786         if (i == 0 && /* primary head */
1787             extensions_vidmode &&
1788             XF86VidModeGetViewPort(ob_display, ob_screen, &x, &y) &&
1789             /* get the mode last so the mode.privsize isnt freed incorrectly */
1790             XF86VidModeGetModeLine(ob_display, ob_screen, &dot, &mode)) {
1791             x += a->x;
1792             y += a->y;
1793             w = mode.hdisplay;
1794             h = mode.vdisplay;
1795             if (mode.privsize) XFree(mode.private);
1796         } else
1797 #endif
1798         {
1799             x = a->x;
1800             y = a->y;
1801             w = a->width;
1802             h = a->height;
1803         }
1804
1805         user = FALSE; /* ignore that increment etc shit when in fullscreen */
1806     } else {
1807         Rect *a;
1808
1809         a = screen_area_monitor(self->desktop, client_monitor(self));
1810
1811         /* set the size and position if maximized */
1812         if (self->max_horz) {
1813             x = a->x;
1814             w = a->width - self->frame->size.left - self->frame->size.right;
1815         }
1816         if (self->max_vert) {
1817             y = a->y;
1818             h = a->height - self->frame->size.top - self->frame->size.bottom;
1819         }
1820     }
1821
1822     /* gets the client's position */
1823     frame_frame_gravity(self->frame, &x, &y);
1824
1825     /* these override the above states! if you cant move you can't move! */
1826     if (user) {
1827         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
1828             x = self->area.x;
1829             y = self->area.y;
1830         }
1831         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
1832             w = self->area.width;
1833             h = self->area.height;
1834         }
1835     }
1836
1837     if (!(w == self->area.width && h == self->area.height)) {
1838         int basew, baseh, minw, minh;
1839
1840         /* base size is substituted with min size if not specified */
1841         if (self->base_size.width || self->base_size.height) {
1842             basew = self->base_size.width;
1843             baseh = self->base_size.height;
1844         } else {
1845             basew = self->min_size.width;
1846             baseh = self->min_size.height;
1847         }
1848         /* min size is substituted with base size if not specified */
1849         if (self->min_size.width || self->min_size.height) {
1850             minw = self->min_size.width;
1851             minh = self->min_size.height;
1852         } else {
1853             minw = self->base_size.width;
1854             minh = self->base_size.height;
1855         }
1856
1857         /* if this is a user-requested resize, then check against min/max
1858            sizes */
1859
1860         /* smaller than min size or bigger than max size? */
1861         if (w > self->max_size.width) w = self->max_size.width;
1862         if (w < minw) w = minw;
1863         if (h > self->max_size.height) h = self->max_size.height;
1864         if (h < minh) h = minh;
1865
1866         w -= basew;
1867         h -= baseh;
1868
1869         /* keep to the increments */
1870         w /= self->size_inc.width;
1871         h /= self->size_inc.height;
1872
1873         /* you cannot resize to nothing */
1874         if (basew + w < 1) w = 1 - basew;
1875         if (baseh + h < 1) h = 1 - baseh;
1876
1877         /* store the logical size */
1878         SIZE_SET(self->logical_size,
1879                  self->size_inc.width > 1 ? w : w + basew,
1880                  self->size_inc.height > 1 ? h : h + baseh);
1881
1882         w *= self->size_inc.width;
1883         h *= self->size_inc.height;
1884
1885         w += basew;
1886         h += baseh;
1887
1888         /* adjust the height to match the width for the aspect ratios.
1889            for this, min size is not substituted for base size ever. */
1890         w -= self->base_size.width;
1891         h -= self->base_size.height;
1892
1893         if (self->min_ratio)
1894             if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1895         if (self->max_ratio)
1896             if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1897
1898         w += self->base_size.width;
1899         h += self->base_size.height;
1900     }
1901
1902     switch (anchor) {
1903     case OB_CORNER_TOPLEFT:
1904         break;
1905     case OB_CORNER_TOPRIGHT:
1906         x -= w - self->area.width;
1907         break;
1908     case OB_CORNER_BOTTOMLEFT:
1909         y -= h - self->area.height;
1910         break;
1911     case OB_CORNER_BOTTOMRIGHT:
1912         x -= w - self->area.width;
1913         y -= h - self->area.height;
1914         break;
1915     }
1916
1917     moved = x != self->area.x || y != self->area.y;
1918     resized = w != self->area.width || h != self->area.height;
1919
1920     RECT_SET(self->area, x, y, w, h);
1921
1922     /* for app-requested resizes, always resize if 'resized' is true.
1923        for user-requested ones, only resize if final is true, or when
1924        resizing in redraw mode */
1925     if ((!user && resized) ||
1926         (user && (final || (resized && config_redraw_resize))))
1927         XResizeWindow(ob_display, self->window, w, h);
1928
1929     /* move/resize the frame to match the request */
1930     if (self->frame) {
1931         if (self->decorations != fdecor || self->max_horz != fhorz)
1932             moved = resized = TRUE;
1933
1934         if (moved || resized)
1935             frame_adjust_area(self->frame, moved, resized, FALSE);
1936
1937         if (!resized && (force_reply || ((!user && moved) || (user && final))))
1938         {
1939             XEvent event;
1940             event.type = ConfigureNotify;
1941             event.xconfigure.display = ob_display;
1942             event.xconfigure.event = self->window;
1943             event.xconfigure.window = self->window;
1944
1945             /* root window real coords */
1946             event.xconfigure.x = self->frame->area.x + self->frame->size.left -
1947                 self->border_width;
1948             event.xconfigure.y = self->frame->area.y + self->frame->size.top -
1949                 self->border_width;
1950             event.xconfigure.width = w;
1951             event.xconfigure.height = h;
1952             event.xconfigure.border_width = 0;
1953             event.xconfigure.above = self->frame->plate;
1954             event.xconfigure.override_redirect = FALSE;
1955             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1956                        FALSE, StructureNotifyMask, &event);
1957         }
1958     }
1959 }
1960
1961 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
1962 {
1963     int x, y, w, h;
1964
1965     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
1966         self->fullscreen == fs) return;                   /* already done */
1967
1968     self->fullscreen = fs;
1969     client_change_state(self); /* change the state hints on the client,
1970                                   and adjust out layer/stacking */
1971
1972     if (fs) {
1973         if (savearea) {
1974             guint32 dimensions[4];
1975             dimensions[0] = self->area.x;
1976             dimensions[1] = self->area.y;
1977             dimensions[2] = self->area.width;
1978             dimensions[3] = self->area.height;
1979
1980             PROP_SETA32(self->window, openbox_premax, cardinal,
1981                         dimensions, 4);
1982         }
1983
1984         /* these are not actually used cuz client_configure will set them
1985            as appropriate when the window is fullscreened */
1986         x = y = w = h = 0;
1987     } else {
1988         guint num;
1989         gint32 *dimensions;
1990         Rect *a;
1991
1992         /* pick some fallbacks... */
1993         a = screen_area_monitor(self->desktop, 0);
1994         x = a->x + a->width / 4;
1995         y = a->y + a->height / 4;
1996         w = a->width / 2;
1997         h = a->height / 2;
1998
1999         if (PROP_GETA32(self->window, openbox_premax, cardinal,
2000                         (guint32**)&dimensions, &num)) {
2001             if (num == 4) {
2002                 x = dimensions[0];
2003                 y = dimensions[1];
2004                 w = dimensions[2];
2005                 h = dimensions[3];
2006             }
2007             g_free(dimensions);
2008         }
2009     }
2010
2011     client_setup_decor_and_functions(self);
2012
2013     client_move_resize(self, x, y, w, h);
2014
2015     /* try focus us when we go into fullscreen mode */
2016     client_focus(self);
2017 }
2018
2019 static void client_iconify_recursive(ObClient *self,
2020                                      gboolean iconic, gboolean curdesk)
2021 {
2022     GSList *it;
2023     gboolean changed = FALSE;
2024
2025
2026     if (self->iconic != iconic) {
2027         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2028                  self->window);
2029
2030         self->iconic = iconic;
2031
2032         if (iconic) {
2033             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2034                 self->wmstate = IconicState;
2035                 self->ignore_unmaps++;
2036                 /* we unmap the client itself so that we can get MapRequest
2037                    events, and because the ICCCM tells us to! */
2038                 XUnmapWindow(ob_display, self->window);
2039
2040                 /* update the focus lists.. iconic windows go to the bottom of
2041                    the list, put the new iconic window at the 'top of the
2042                    bottom'. */
2043                 focus_order_to_top(self);
2044
2045                 changed = TRUE;
2046             }
2047         } else {
2048             if (curdesk)
2049                 client_set_desktop(self, screen_desktop, FALSE);
2050             self->wmstate = self->shaded ? IconicState : NormalState;
2051             XMapWindow(ob_display, self->window);
2052
2053             /* this puts it after the current focused window */
2054             focus_order_remove(self);
2055             focus_order_add_new(self);
2056
2057             /* this is here cuz with the VIDMODE extension, the viewport can
2058                change while a fullscreen window is iconic, and when it
2059                uniconifies, it would be nice if it did so to the new position
2060                of the viewport */
2061             client_reconfigure(self);
2062
2063             changed = TRUE;
2064         }
2065     }
2066
2067     if (changed) {
2068         client_change_state(self);
2069         client_showhide(self);
2070         screen_update_areas();
2071     }
2072
2073     /* iconify all transients */
2074     for (it = self->transients; it != NULL; it = it->next)
2075         if (it->data != self) client_iconify_recursive(it->data,
2076                                                        iconic, curdesk);
2077 }
2078
2079 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2080 {
2081     /* move up the transient chain as far as possible first */
2082     self = client_search_top_transient(self);
2083
2084     client_iconify_recursive(client_search_top_transient(self),
2085                              iconic, curdesk);
2086 }
2087
2088 void client_maximize(ObClient *self, gboolean max, int dir, gboolean savearea)
2089 {
2090     int x, y, w, h;
2091
2092     g_assert(dir == 0 || dir == 1 || dir == 2);
2093     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2094
2095     /* check if already done */
2096     if (max) {
2097         if (dir == 0 && self->max_horz && self->max_vert) return;
2098         if (dir == 1 && self->max_horz) return;
2099         if (dir == 2 && self->max_vert) return;
2100     } else {
2101         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2102         if (dir == 1 && !self->max_horz) return;
2103         if (dir == 2 && !self->max_vert) return;
2104     }
2105
2106     /* work with the frame's coords */
2107     x = self->frame->area.x;
2108     y = self->frame->area.y;
2109     w = self->area.width;
2110     h = self->area.height;
2111
2112     if (max) {
2113         if (savearea) {
2114             gint32 dimensions[4];
2115             gint32 *readdim;
2116             guint num;
2117
2118             dimensions[0] = x;
2119             dimensions[1] = y;
2120             dimensions[2] = w;
2121             dimensions[3] = h;
2122
2123             /* get the property off the window and use it for the dimensions
2124                we are already maxed on */
2125             if (PROP_GETA32(self->window, openbox_premax, cardinal,
2126                             (guint32**)&readdim, &num)) {
2127                 if (num == 4) {
2128                     if (self->max_horz) {
2129                         dimensions[0] = readdim[0];
2130                         dimensions[2] = readdim[2];
2131                     }
2132                     if (self->max_vert) {
2133                         dimensions[1] = readdim[1];
2134                         dimensions[3] = readdim[3];
2135                     }
2136                 }
2137                 g_free(readdim);
2138             }
2139
2140             PROP_SETA32(self->window, openbox_premax, cardinal,
2141                         (guint32*)dimensions, 4);
2142         }
2143     } else {
2144         guint num;
2145         gint32 *dimensions;
2146         Rect *a;
2147
2148         /* pick some fallbacks... */
2149         a = screen_area_monitor(self->desktop, 0);
2150         if (dir == 0 || dir == 1) { /* horz */
2151             x = a->x + a->width / 4;
2152             w = a->width / 2;
2153         }
2154         if (dir == 0 || dir == 2) { /* vert */
2155             y = a->y + a->height / 4;
2156             h = a->height / 2;
2157         }
2158
2159         if (PROP_GETA32(self->window, openbox_premax, cardinal,
2160                         (guint32**)&dimensions, &num)) {
2161             if (num == 4) {
2162                 if (dir == 0 || dir == 1) { /* horz */
2163                     x = dimensions[0];
2164                     w = dimensions[2];
2165                 }
2166                 if (dir == 0 || dir == 2) { /* vert */
2167                     y = dimensions[1];
2168                     h = dimensions[3];
2169                 }
2170             }
2171             g_free(dimensions);
2172         }
2173     }
2174
2175     if (dir == 0 || dir == 1) /* horz */
2176         self->max_horz = max;
2177     if (dir == 0 || dir == 2) /* vert */
2178         self->max_vert = max;
2179
2180     if (!self->max_horz && !self->max_vert)
2181         PROP_ERASE(self->window, openbox_premax);
2182
2183     client_change_state(self); /* change the state hints on the client */
2184
2185     client_setup_decor_and_functions(self);
2186
2187     /* figure out where the client should be going */
2188     frame_frame_gravity(self->frame, &x, &y);
2189     client_move_resize(self, x, y, w, h);
2190 }
2191
2192 void client_shade(ObClient *self, gboolean shade)
2193 {
2194     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2195          shade) ||                         /* can't shade */
2196         self->shaded == shade) return;     /* already done */
2197
2198     /* when we're iconic, don't change the wmstate */
2199     if (!self->iconic)
2200         self->wmstate = shade ? IconicState : NormalState;
2201     self->shaded = shade;
2202     client_change_state(self);
2203     /* resize the frame to just the titlebar */
2204     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2205 }
2206
2207 void client_close(ObClient *self)
2208 {
2209     XEvent ce;
2210
2211     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2212
2213     /*
2214       XXX: itd be cool to do timeouts and shit here for killing the client's
2215       process off
2216       like... if the window is around after 5 seconds, then the close button
2217       turns a nice red, and if this function is called again, the client is
2218       explicitly killed.
2219     */
2220
2221     ce.xclient.type = ClientMessage;
2222     ce.xclient.message_type =  prop_atoms.wm_protocols;
2223     ce.xclient.display = ob_display;
2224     ce.xclient.window = self->window;
2225     ce.xclient.format = 32;
2226     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2227     ce.xclient.data.l[1] = event_lasttime;
2228     ce.xclient.data.l[2] = 0l;
2229     ce.xclient.data.l[3] = 0l;
2230     ce.xclient.data.l[4] = 0l;
2231     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2232 }
2233
2234 void client_kill(ObClient *self)
2235 {
2236     XKillClient(ob_display, self->window);
2237 }
2238
2239 void client_set_desktop_recursive(ObClient *self,
2240                                   guint target, gboolean donthide)
2241 {
2242     guint old;
2243     GSList *it;
2244
2245     if (target != self->desktop) {
2246
2247         ob_debug("Setting desktop %u\n", target+1);
2248
2249         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2250
2251         /* remove from the old desktop(s) */
2252         focus_order_remove(self);
2253
2254         old = self->desktop;
2255         self->desktop = target;
2256         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2257         /* the frame can display the current desktop state */
2258         frame_adjust_state(self->frame);
2259         /* 'move' the window to the new desktop */
2260         if (!donthide)
2261             client_showhide(self);
2262         /* raise if it was not already on the desktop */
2263         if (old != DESKTOP_ALL)
2264             stacking_raise(CLIENT_AS_WINDOW(self));
2265         screen_update_areas();
2266
2267         /* add to the new desktop(s) */
2268         if (config_focus_new)
2269             focus_order_to_top(self);
2270         else
2271             focus_order_to_bottom(self);
2272     }
2273
2274     /* move all transients */
2275     for (it = self->transients; it != NULL; it = it->next)
2276         if (it->data != self) client_set_desktop_recursive(it->data,
2277                                                            target, donthide);
2278 }
2279
2280 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2281 {
2282     client_set_desktop_recursive(client_search_top_transient(self),
2283                                  target, donthide);
2284 }
2285
2286 ObClient *client_search_modal_child(ObClient *self)
2287 {
2288     GSList *it;
2289     ObClient *ret;
2290
2291     for (it = self->transients; it != NULL; it = it->next) {
2292         ObClient *c = it->data;
2293         if ((ret = client_search_modal_child(c))) return ret;
2294         if (c->modal) return c;
2295     }
2296     return NULL;
2297 }
2298
2299 gboolean client_validate(ObClient *self)
2300 {
2301     XEvent e;
2302
2303     XSync(ob_display, FALSE); /* get all events on the server */
2304
2305     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2306         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2307         XPutBackEvent(ob_display, &e);
2308         return FALSE;
2309     }
2310
2311     return TRUE;
2312 }
2313
2314 void client_set_wm_state(ObClient *self, long state)
2315 {
2316     if (state == self->wmstate) return; /* no change */
2317
2318     switch (state) {
2319     case IconicState:
2320         client_iconify(self, TRUE, TRUE);
2321         break;
2322     case NormalState:
2323         client_iconify(self, FALSE, TRUE);
2324         break;
2325     }
2326 }
2327
2328 void client_set_state(ObClient *self, Atom action, long data1, long data2)
2329 {
2330     gboolean shaded = self->shaded;
2331     gboolean fullscreen = self->fullscreen;
2332     gboolean max_horz = self->max_horz;
2333     gboolean max_vert = self->max_vert;
2334     int i;
2335
2336     if (!(action == prop_atoms.net_wm_state_add ||
2337           action == prop_atoms.net_wm_state_remove ||
2338           action == prop_atoms.net_wm_state_toggle))
2339         /* an invalid action was passed to the client message, ignore it */
2340         return;
2341
2342     for (i = 0; i < 2; ++i) {
2343         Atom state = i == 0 ? data1 : data2;
2344
2345         if (!state) continue;
2346
2347         /* if toggling, then pick whether we're adding or removing */
2348         if (action == prop_atoms.net_wm_state_toggle) {
2349             if (state == prop_atoms.net_wm_state_modal)
2350                 action = self->modal ? prop_atoms.net_wm_state_remove :
2351                     prop_atoms.net_wm_state_add;
2352             else if (state == prop_atoms.net_wm_state_maximized_vert)
2353                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2354                     prop_atoms.net_wm_state_add;
2355             else if (state == prop_atoms.net_wm_state_maximized_horz)
2356                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2357                     prop_atoms.net_wm_state_add;
2358             else if (state == prop_atoms.net_wm_state_shaded)
2359                 action = self->shaded ? prop_atoms.net_wm_state_remove :
2360                     prop_atoms.net_wm_state_add;
2361             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2362                 action = self->skip_taskbar ?
2363                     prop_atoms.net_wm_state_remove :
2364                     prop_atoms.net_wm_state_add;
2365             else if (state == prop_atoms.net_wm_state_skip_pager)
2366                 action = self->skip_pager ?
2367                     prop_atoms.net_wm_state_remove :
2368                     prop_atoms.net_wm_state_add;
2369             else if (state == prop_atoms.net_wm_state_fullscreen)
2370                 action = self->fullscreen ?
2371                     prop_atoms.net_wm_state_remove :
2372                     prop_atoms.net_wm_state_add;
2373             else if (state == prop_atoms.net_wm_state_above)
2374                 action = self->above ? prop_atoms.net_wm_state_remove :
2375                     prop_atoms.net_wm_state_add;
2376             else if (state == prop_atoms.net_wm_state_below)
2377                 action = self->below ? prop_atoms.net_wm_state_remove :
2378                     prop_atoms.net_wm_state_add;
2379         }
2380
2381         if (action == prop_atoms.net_wm_state_add) {
2382             if (state == prop_atoms.net_wm_state_modal) {
2383                 /* XXX raise here or something? */
2384                 self->modal = TRUE;
2385             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2386                 max_vert = TRUE;
2387             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2388                 max_horz = TRUE;
2389             } else if (state == prop_atoms.net_wm_state_shaded) {
2390                 shaded = TRUE;
2391             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2392                 self->skip_taskbar = TRUE;
2393             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2394                 self->skip_pager = TRUE;
2395             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2396                 fullscreen = TRUE;
2397             } else if (state == prop_atoms.net_wm_state_above) {
2398                 self->above = TRUE;
2399             } else if (state == prop_atoms.net_wm_state_below) {
2400                 self->below = TRUE;
2401             }
2402
2403         } else { /* action == prop_atoms.net_wm_state_remove */
2404             if (state == prop_atoms.net_wm_state_modal) {
2405                 self->modal = FALSE;
2406             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2407                 max_vert = FALSE;
2408             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2409                 max_horz = FALSE;
2410             } else if (state == prop_atoms.net_wm_state_shaded) {
2411                 shaded = FALSE;
2412             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2413                 self->skip_taskbar = FALSE;
2414             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2415                 self->skip_pager = FALSE;
2416             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2417                 fullscreen = FALSE;
2418             } else if (state == prop_atoms.net_wm_state_above) {
2419                 self->above = FALSE;
2420             } else if (state == prop_atoms.net_wm_state_below) {
2421                 self->below = FALSE;
2422             }
2423         }
2424     }
2425     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2426         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2427             /* toggling both */
2428             if (max_horz == max_vert) { /* both going the same way */
2429                 client_maximize(self, max_horz, 0, TRUE);
2430             } else {
2431                 client_maximize(self, max_horz, 1, TRUE);
2432                 client_maximize(self, max_vert, 2, TRUE);
2433             }
2434         } else {
2435             /* toggling one */
2436             if (max_horz != self->max_horz)
2437                 client_maximize(self, max_horz, 1, TRUE);
2438             else
2439                 client_maximize(self, max_vert, 2, TRUE);
2440         }
2441     }
2442     /* change fullscreen state before shading, as it will affect if the window
2443        can shade or not */
2444     if (fullscreen != self->fullscreen)
2445         client_fullscreen(self, fullscreen, TRUE);
2446     if (shaded != self->shaded)
2447         client_shade(self, shaded);
2448     client_calc_layer(self);
2449     client_change_state(self); /* change the hint to reflect these changes */
2450 }
2451
2452 ObClient *client_focus_target(ObClient *self)
2453 {
2454     ObClient *child;
2455
2456     /* if we have a modal child, then focus it, not us */
2457     child = client_search_modal_child(self);
2458     if (child) return child;
2459     return self;
2460 }
2461
2462 gboolean client_can_focus(ObClient *self)
2463 {
2464     XEvent ev;
2465
2466     /* choose the correct target */
2467     self = client_focus_target(self);
2468
2469     if (!self->frame->visible)
2470         return FALSE;
2471
2472     if (!((self->can_focus || self->focus_notify) &&
2473           (self->desktop == screen_desktop ||
2474            self->desktop == DESKTOP_ALL) &&
2475           !self->iconic))
2476         return FALSE;
2477
2478     /* do a check to see if the window has already been unmapped or destroyed
2479        do this intelligently while watching out for unmaps we've generated
2480        (ignore_unmaps > 0) */
2481     if (XCheckTypedWindowEvent(ob_display, self->window,
2482                                DestroyNotify, &ev)) {
2483         XPutBackEvent(ob_display, &ev);
2484         return FALSE;
2485     }
2486     while (XCheckTypedWindowEvent(ob_display, self->window,
2487                                   UnmapNotify, &ev)) {
2488         if (self->ignore_unmaps) {
2489             self->ignore_unmaps--;
2490         } else {
2491             XPutBackEvent(ob_display, &ev);
2492             return FALSE;
2493         }
2494     }
2495
2496     return TRUE;
2497 }
2498
2499 gboolean client_focus(ObClient *self)
2500 {
2501     /* choose the correct target */
2502     self = client_focus_target(self);
2503
2504     if (!client_can_focus(self)) {
2505         if (!self->frame->visible) {
2506             /* update the focus lists */
2507             focus_order_to_top(self);
2508         }
2509         return FALSE;
2510     }
2511
2512     if (self->can_focus) {
2513         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2514            I choose to use it always, hopefully to find errors quicker, if any
2515            are left. (I hate X. I hate focus events.)
2516
2517            Update: Changing this to RevertToNone fixed a bug with mozilla (bug
2518            #799. So now it is RevertToNone again.
2519         */
2520         XSetInputFocus(ob_display, self->window, RevertToNone,
2521                        event_lasttime);
2522     }
2523
2524     if (self->focus_notify) {
2525         XEvent ce;
2526         ce.xclient.type = ClientMessage;
2527         ce.xclient.message_type = prop_atoms.wm_protocols;
2528         ce.xclient.display = ob_display;
2529         ce.xclient.window = self->window;
2530         ce.xclient.format = 32;
2531         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2532         ce.xclient.data.l[1] = event_lasttime;
2533         ce.xclient.data.l[2] = 0l;
2534         ce.xclient.data.l[3] = 0l;
2535         ce.xclient.data.l[4] = 0l;
2536         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2537     }
2538
2539 #ifdef DEBUG_FOCUS
2540     ob_debug("%sively focusing %lx at %d\n",
2541              (self->can_focus ? "act" : "pass"),
2542              self->window, (int) event_lasttime);
2543 #endif
2544
2545     /* Cause the FocusIn to come back to us. Important for desktop switches,
2546        since otherwise we'll have no FocusIn on the queue and send it off to
2547        the focus_backup. */
2548     XSync(ob_display, FALSE);
2549     return TRUE;
2550 }
2551
2552 void client_unfocus(ObClient *self)
2553 {
2554     g_assert(focus_client == self);
2555 #ifdef DEBUG_FOCUS
2556     ob_debug("client_unfocus for %lx\n", self->window);
2557 #endif
2558     focus_fallback(OB_FOCUS_FALLBACK_UNFOCUSING);
2559 }
2560
2561 void client_activate(ObClient *self, gboolean here)
2562 {
2563     if (client_normal(self) && screen_showing_desktop)
2564         screen_show_desktop(FALSE);
2565     if (self->iconic)
2566         client_iconify(self, FALSE, FALSE);
2567     if (self->desktop != DESKTOP_ALL &&
2568         self->desktop != screen_desktop) {
2569         if (here)
2570             client_set_desktop(self, screen_desktop, FALSE);
2571         else
2572             screen_set_desktop(self->desktop);
2573     } else if (!self->frame->visible)
2574         /* if its not visible for other reasons, then don't mess
2575            with it */
2576         return;
2577     if (self->shaded)
2578         client_shade(self, FALSE);
2579     client_focus(self);
2580     stacking_raise(CLIENT_AS_WINDOW(self));
2581 }
2582
2583 gboolean client_focused(ObClient *self)
2584 {
2585     return self == focus_client;
2586 }
2587
2588 ObClientIcon *client_icon(ObClient *self, int w, int h)
2589 {
2590     guint i;
2591     /* si is the smallest image >= req */
2592     /* li is the largest image < req */
2593     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2594
2595     if (!self->nicons) return NULL;
2596
2597     for (i = 0; i < self->nicons; ++i) {
2598         size = self->icons[i].width * self->icons[i].height;
2599         if (size < smallest && size >= (unsigned)(w * h)) {
2600             smallest = size;
2601             si = i;
2602         }
2603         if (size > largest && size <= (unsigned)(w * h)) {
2604             largest = size;
2605             li = i;
2606         }
2607     }
2608     if (largest == 0) /* didnt find one smaller than the requested size */
2609         return &self->icons[si];
2610     return &self->icons[li];
2611 }
2612
2613 /* this be mostly ripped from fvwm */
2614 ObClient *client_find_directional(ObClient *c, ObDirection dir)
2615 {
2616     int my_cx, my_cy, his_cx, his_cy;
2617     int offset = 0;
2618     int distance = 0;
2619     int score, best_score;
2620     ObClient *best_client, *cur;
2621     GList *it;
2622
2623     if(!client_list)
2624         return NULL;
2625
2626     /* first, find the centre coords of the currently focused window */
2627     my_cx = c->frame->area.x + c->frame->area.width / 2;
2628     my_cy = c->frame->area.y + c->frame->area.height / 2;
2629
2630     best_score = -1;
2631     best_client = NULL;
2632
2633     for(it = g_list_first(client_list); it; it = it->next) {
2634         cur = it->data;
2635
2636         /* the currently selected window isn't interesting */
2637         if(cur == c)
2638             continue;
2639         if (!client_normal(cur))
2640             continue;
2641         if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2642             continue;
2643         if(cur->iconic)
2644             continue;
2645         if(client_focus_target(cur) == cur &&
2646            !(cur->can_focus || cur->focus_notify))
2647             continue;
2648
2649         /* find the centre coords of this window, from the
2650          * currently focused window's point of view */
2651         his_cx = (cur->frame->area.x - my_cx)
2652             + cur->frame->area.width / 2;
2653         his_cy = (cur->frame->area.y - my_cy)
2654             + cur->frame->area.height / 2;
2655
2656         if(dir == OB_DIRECTION_NORTHEAST || dir == OB_DIRECTION_SOUTHEAST ||
2657            dir == OB_DIRECTION_SOUTHWEST || dir == OB_DIRECTION_NORTHWEST) {
2658             int tx;
2659             /* Rotate the diagonals 45 degrees counterclockwise.
2660              * To do this, multiply the matrix /+h +h\ with the
2661              * vector (x y).                   \-h +h/
2662              * h = sqrt(0.5). We can set h := 1 since absolute
2663              * distance doesn't matter here. */
2664             tx = his_cx + his_cy;
2665             his_cy = -his_cx + his_cy;
2666             his_cx = tx;
2667         }
2668
2669         switch(dir) {
2670         case OB_DIRECTION_NORTH:
2671         case OB_DIRECTION_SOUTH:
2672         case OB_DIRECTION_NORTHEAST:
2673         case OB_DIRECTION_SOUTHWEST:
2674             offset = (his_cx < 0) ? -his_cx : his_cx;
2675             distance = ((dir == OB_DIRECTION_NORTH ||
2676                         dir == OB_DIRECTION_NORTHEAST) ?
2677                         -his_cy : his_cy);
2678             break;
2679         case OB_DIRECTION_EAST:
2680         case OB_DIRECTION_WEST:
2681         case OB_DIRECTION_SOUTHEAST:
2682         case OB_DIRECTION_NORTHWEST:
2683             offset = (his_cy < 0) ? -his_cy : his_cy;
2684             distance = ((dir == OB_DIRECTION_WEST ||
2685                         dir == OB_DIRECTION_NORTHWEST) ?
2686                         -his_cx : his_cx);
2687             break;
2688         }
2689
2690         /* the target must be in the requested direction */
2691         if(distance <= 0)
2692             continue;
2693
2694         /* Calculate score for this window.  The smaller the better. */
2695         score = distance + offset;
2696
2697         /* windows more than 45 degrees off the direction are
2698          * heavily penalized and will only be chosen if nothing
2699          * else within a million pixels */
2700         if(offset > distance)
2701             score += 1000000;
2702
2703         if(best_score == -1 || score < best_score)
2704             best_client = cur,
2705                 best_score = score;
2706     }
2707
2708     return best_client;
2709 }
2710
2711 void client_set_layer(ObClient *self, int layer)
2712 {
2713     if (layer < 0) {
2714         self->below = TRUE;
2715         self->above = FALSE;
2716     } else if (layer == 0) {
2717         self->below = self->above = FALSE;
2718     } else {
2719         self->below = FALSE;
2720         self->above = TRUE;
2721     }
2722     client_calc_layer(self);
2723     client_change_state(self); /* reflect this in the state hints */
2724 }
2725
2726 guint client_monitor(ObClient *self)
2727 {
2728     guint i;
2729
2730     for (i = 0; i < screen_num_monitors; ++i) {
2731         Rect *area = screen_physical_area_monitor(i);
2732         if (RECT_INTERSECTS_RECT(*area, self->frame->area))
2733             break;
2734     }
2735     if (i == screen_num_monitors) i = 0;
2736     g_assert(i < screen_num_monitors);
2737     return i;
2738 }
2739
2740 ObClient *client_search_top_transient(ObClient *self)
2741 {
2742     /* move up the transient chain as far as possible */
2743     if (self->transient_for) {
2744         if (self->transient_for != OB_TRAN_GROUP) {
2745             return client_search_top_transient(self->transient_for);
2746         } else {
2747             GSList *it;
2748
2749             for (it = self->group->members; it; it = it->next) {
2750                 ObClient *c = it->data;
2751
2752                 /* checking transient_for prevents infinate loops! */
2753                 if (c != self && !c->transient_for)
2754                     break;
2755             }
2756             if (it)
2757                 return it->data;
2758         }
2759     }
2760
2761     return self;
2762 }
2763
2764 ObClient *client_search_transient(ObClient *self, ObClient *search)
2765 {
2766     GSList *sit;
2767
2768     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
2769         if (sit->data == search)
2770             return search;
2771         if (client_search_transient(sit->data, search))
2772             return search;
2773     }
2774     return NULL;
2775 }
2776
2777 gchar* client_get_sm_client_id(ObClient *self)
2778 {
2779     gchar *id = NULL;
2780
2781     if (!PROP_GETS(self->window, sm_client_id, locale, &id) && self->group)
2782         PROP_GETS(self->group->leader, sm_client_id, locale, &id);
2783     return id;
2784 }
2785
2786 /* finds the nearest edge in the given direction from the current client
2787  * note to self: the edge is the -frame- edge (the actual one), not the
2788  * client edge.
2789  */
2790 int client_directional_edge_search(ObClient *c, ObDirection dir)
2791 {
2792     int dest;
2793     int my_edge_start, my_edge_end, my_offset;
2794     GList *it;
2795     Rect *a;
2796
2797     if(!client_list)
2798         return -1;
2799
2800     a = screen_area(c->desktop);
2801
2802     switch(dir) {
2803     case OB_DIRECTION_NORTH:
2804         my_edge_start = c->frame->area.x;
2805         my_edge_end = c->frame->area.x + c->frame->area.width;
2806         my_offset = c->frame->area.y;
2807
2808         dest = a->y; /* default: top of screen */
2809
2810         for(it = g_list_first(client_list); it; it = it->next) {
2811             int his_edge_start, his_edge_end, his_offset;
2812             ObClient *cur = it->data;
2813
2814             if(cur == c)
2815                 continue;
2816             if(!client_normal(cur))
2817                 continue;
2818             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2819                 continue;
2820             if(cur->iconic)
2821                 continue;
2822
2823             his_edge_start = cur->frame->area.x;
2824             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2825             his_offset = cur->frame->area.y + cur->frame->area.height;
2826
2827             if(his_offset + 1 > my_offset)
2828                 continue;
2829
2830             if(his_offset < dest)
2831                 continue;
2832
2833             if(his_edge_start >= my_edge_start &&
2834                his_edge_start <= my_edge_end)
2835                 dest = his_offset;
2836
2837             if(my_edge_start >= his_edge_start &&
2838                my_edge_start <= his_edge_end)
2839                 dest = his_offset;
2840
2841         }
2842         break;
2843     case OB_DIRECTION_SOUTH:
2844         my_edge_start = c->frame->area.x;
2845         my_edge_end = c->frame->area.x + c->frame->area.width;
2846         my_offset = c->frame->area.y + c->frame->area.height;
2847
2848         dest = a->y + a->height; /* default: bottom of screen */
2849
2850         for(it = g_list_first(client_list); it; it = it->next) {
2851             int his_edge_start, his_edge_end, his_offset;
2852             ObClient *cur = it->data;
2853
2854             if(cur == c)
2855                 continue;
2856             if(!client_normal(cur))
2857                 continue;
2858             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2859                 continue;
2860             if(cur->iconic)
2861                 continue;
2862
2863             his_edge_start = cur->frame->area.x;
2864             his_edge_end = cur->frame->area.x + cur->frame->area.width;
2865             his_offset = cur->frame->area.y;
2866
2867
2868             if(his_offset - 1 < my_offset)
2869                 continue;
2870
2871             if(his_offset > dest)
2872                 continue;
2873
2874             if(his_edge_start >= my_edge_start &&
2875                his_edge_start <= my_edge_end)
2876                 dest = his_offset;
2877
2878             if(my_edge_start >= his_edge_start &&
2879                my_edge_start <= his_edge_end)
2880                 dest = his_offset;
2881
2882         }
2883         break;
2884     case OB_DIRECTION_WEST:
2885         my_edge_start = c->frame->area.y;
2886         my_edge_end = c->frame->area.y + c->frame->area.height;
2887         my_offset = c->frame->area.x;
2888
2889         dest = a->x; /* default: leftmost egde of screen */
2890
2891         for(it = g_list_first(client_list); it; it = it->next) {
2892             int his_edge_start, his_edge_end, his_offset;
2893             ObClient *cur = it->data;
2894
2895             if(cur == c)
2896                 continue;
2897             if(!client_normal(cur))
2898                 continue;
2899             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2900                 continue;
2901             if(cur->iconic)
2902                 continue;
2903
2904             his_edge_start = cur->frame->area.y;
2905             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2906             his_offset = cur->frame->area.x + cur->frame->area.width;
2907
2908             if(his_offset + 1 > my_offset)
2909                 continue;
2910
2911             if(his_offset < dest)
2912                 continue;
2913
2914             if(his_edge_start >= my_edge_start &&
2915                his_edge_start <= my_edge_end)
2916                 dest = his_offset;
2917
2918             if(my_edge_start >= his_edge_start &&
2919                my_edge_start <= his_edge_end)
2920                 dest = his_offset;
2921
2922
2923         }
2924         break;
2925     case OB_DIRECTION_EAST:
2926         my_edge_start = c->frame->area.y;
2927         my_edge_end = c->frame->area.y + c->frame->area.height;
2928         my_offset = c->frame->area.x + c->frame->area.width;
2929
2930         dest = a->x + a->width; /* default: rightmost edge of screen */
2931
2932         for(it = g_list_first(client_list); it; it = it->next) {
2933             int his_edge_start, his_edge_end, his_offset;
2934             ObClient *cur = it->data;
2935
2936             if(cur == c)
2937                 continue;
2938             if(!client_normal(cur))
2939                 continue;
2940             if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2941                 continue;
2942             if(cur->iconic)
2943                 continue;
2944
2945             his_edge_start = cur->frame->area.y;
2946             his_edge_end = cur->frame->area.y + cur->frame->area.height;
2947             his_offset = cur->frame->area.x;
2948
2949             if(his_offset - 1 < my_offset)
2950                 continue;
2951
2952             if(his_offset > dest)
2953                 continue;
2954
2955             if(his_edge_start >= my_edge_start &&
2956                his_edge_start <= my_edge_end)
2957                 dest = his_offset;
2958
2959             if(my_edge_start >= his_edge_start &&
2960                my_edge_start <= his_edge_end)
2961                 dest = his_offset;
2962
2963         }
2964         break;
2965     case OB_DIRECTION_NORTHEAST:
2966     case OB_DIRECTION_SOUTHEAST:
2967     case OB_DIRECTION_NORTHWEST:
2968     case OB_DIRECTION_SOUTHWEST:
2969         /* not implemented */
2970         break;
2971     default:
2972             g_assert_not_reached();
2973     }
2974     return dest;
2975 }