openbox/client.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "client.h"
  21 #include "debug.h"
  22 #include "startupnotify.h"
  23 #include "dock.h"
  24 #include "xerror.h"
  25 #include "screen.h"
  26 #include "moveresize.h"
  27 #include "place.h"
  28 #include "prop.h"
  29 #include "extensions.h"
  30 #include "frame.h"
  31 #include "session.h"
  32 #include "event.h"
  33 #include "grab.h"
  34 #include "focus.h"
  35 #include "propwin.h"
  36 #include "stacking.h"
  37 #include "openbox.h"
  38 #include "group.h"
  39 #include "config.h"
  40 #include "menuframe.h"
  41 #include "keyboard.h"
  42 #include "mouse.h"
  43 #include "render/render.h"
  44
  45 #ifdef HAVE_UNISTD_H
  46 #  include <unistd.h>
  47 #endif
  48
  49 #include <glib.h>
  50 #include <X11/Xutil.h>
  51
  52 /*! The event mask to grab on client windows */
  53 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  54                           ColormapChangeMask)
  55
  56 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  57                                 ButtonMotionMask)
  58
  59 typedef struct
  60 {
  61     ObClientCallback func;
  62     gpointer data;
  63 } ClientCallback;
  64
  65 GList            *client_list          = NULL;
  66
  67 static GSList *client_destroy_notifies = NULL;
  68
  69 static void client_get_all(ObClient *self, gboolean real);
  70 static void client_get_startup_id(ObClient *self);
  71 static void client_get_session_ids(ObClient *self);
  72 static void client_get_area(ObClient *self);
  73 static void client_get_desktop(ObClient *self);
  74 static void client_get_state(ObClient *self);
  75 static void client_get_shaped(ObClient *self);
  76 static void client_get_mwm_hints(ObClient *self);
  77 static void client_get_colormap(ObClient *self);
  78 static void client_change_allowed_actions(ObClient *self);
  79 static void client_change_state(ObClient *self);
  80 static void client_change_wm_state(ObClient *self);
  81 static void client_apply_startup_state(ObClient *self,
  82                                        gint x, gint y, gint w, gint h);
  83 static void client_restore_session_state(ObClient *self);
  84 static gboolean client_restore_session_stacking(ObClient *self);
  85 static ObAppSettings *client_get_settings_state(ObClient *self);
  86 static void client_update_transient_tree(ObClient *self,
  87                                          ObGroup *oldgroup, ObGroup *newgroup,
  88                                          gboolean oldgtran, gboolean newgtran,
  89                                          ObClient* oldparent,
  90                                          ObClient *newparent);
  91 static void client_present(ObClient *self, gboolean here, gboolean raise);
  92 static GSList *client_search_all_top_parents_internal(ObClient *self,
  93                                                       gboolean bylayer,
  94                                                       ObStackingLayer layer);
  95 static void client_call_notifies(ObClient *self, GSList *list);
  96
  97
  98 void client_startup(gboolean reconfig)
  99 {
 100     if (reconfig) return;
 101
 102     client_set_list();
 103 }
 104
 105 void client_shutdown(gboolean reconfig)
 106 {
 107     if (reconfig) return;
 108 }
 109
 110 static void client_call_notifies(ObClient *self, GSList *list)
 111 {
 112     GSList *it;
 113
 114     for (it = list; it; it = g_slist_next(it)) {
 115         ClientCallback *d = it->data;
 116         d->func(self, d->data);
 117     }
 118 }
 119
 120 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 121 {
 122     ClientCallback *d = g_new(ClientCallback, 1);
 123     d->func = func;
 124     d->data = data;
 125     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 126 }
 127
 128 void client_remove_destroy_notify(ObClientCallback func)
 129 {
 130     GSList *it;
 131
 132     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 133         ClientCallback *d = it->data;
 134         if (d->func == func) {
 135             g_free(d);
 136             client_destroy_notifies =
 137                 g_slist_delete_link(client_destroy_notifies, it);
 138             break;
 139         }
 140     }
 141 }
 142
 143 void client_set_list()
 144 {
 145     Window *windows, *win_it;
 146     GList *it;
 147     guint size = g_list_length(client_list);
 148
 149     /* create an array of the window ids */
 150     if (size > 0) {
 151         windows = g_new(Window, size);
 152         win_it = windows;
 153         for (it = client_list; it; it = g_list_next(it), ++win_it)
 154             *win_it = ((ObClient*)it->data)->window;
 155     } else
 156         windows = NULL;
 157
 158     PROP_SETA32(RootWindow(ob_display, ob_screen),
 159                 net_client_list, window, (gulong*)windows, size);
 160
 161     if (windows)
 162         g_free(windows);
 163
 164     stacking_set_list();
 165 }
 166
 167 void client_manage_all()
 168 {
 169     guint i, j, nchild;
 170     Window w, *children;
 171     XWMHints *wmhints;
 172     XWindowAttributes attrib;
 173
 174     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 175                &w, &w, &children, &nchild);
 176
 177     /* remove all icon windows from the list */
 178     for (i = 0; i < nchild; i++) {
 179         if (children[i] == None) continue;
 180         wmhints = XGetWMHints(ob_display, children[i]);
 181         if (wmhints) {
 182             if ((wmhints->flags & IconWindowHint) &&
 183                 (wmhints->icon_window != children[i]))
 184                 for (j = 0; j < nchild; j++)
 185                     if (children[j] == wmhints->icon_window) {
 186                         children[j] = None;
 187                         break;
 188                     }
 189             XFree(wmhints);
 190         }
 191     }
 192
 193     for (i = 0; i < nchild; ++i) {
 194         if (children[i] == None)
 195             continue;
 196         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 197             if (attrib.override_redirect) continue;
 198
 199             if (attrib.map_state != IsUnmapped)
 200                 client_manage(children[i]);
 201         }
 202     }
 203     XFree(children);
 204 }
 205
 206 void client_manage(Window window)
 207 {
 208     ObClient *self;
 209     XEvent e;
 210     XWindowAttributes attrib;
 211     XSetWindowAttributes attrib_set;
 212     XWMHints *wmhint;
 213     gboolean activate = FALSE;
 214     ObAppSettings *settings;
 215     gint placex, placey, placew, placeh;
 216     gboolean transient = FALSE;
 217
 218     grab_server(TRUE);
 219
 220     /* check if it has already been unmapped by the time we started
 221        mapping. the grab does a sync so we don't have to here */
 222     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 223         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 224     {
 225         XPutBackEvent(ob_display, &e);
 226
 227         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 228         grab_server(FALSE);
 229         return; /* don't manage it */
 230     }
 231
 232     /* make sure it isn't an override-redirect window */
 233     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 234         attrib.override_redirect)
 235     {
 236         grab_server(FALSE);
 237         return; /* don't manage it */
 238     }
 239
 240     /* is the window a docking app */
 241     if ((wmhint = XGetWMHints(ob_display, window))) {
 242         if ((wmhint->flags & StateHint) &&
 243             wmhint->initial_state == WithdrawnState)
 244         {
 245             dock_add(window, wmhint);
 246             grab_server(FALSE);
 247             XFree(wmhint);
 248             return;
 249         }
 250         XFree(wmhint);
 251     }
 252
 253     ob_debug("Managing window: 0x%lx\n", window);
 254
 255     /* choose the events we want to receive on the CLIENT window */
 256     attrib_set.event_mask = CLIENT_EVENTMASK;
 257     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 258     XChangeWindowAttributes(ob_display, window,
 259                             CWEventMask|CWDontPropagate, &attrib_set);
 260
 261     /* create the ObClient struct, and populate it from the hints on the
 262        window */
 263     self = g_new0(ObClient, 1);
 264     self->obwin.type = Window_Client;
 265     self->window = window;
 266
 267     /* non-zero defaults */
 268     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 269     self->gravity = NorthWestGravity;
 270     self->desktop = screen_num_desktops; /* always an invalid value */
 271     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 272
 273     /* get all the stuff off the window */
 274     client_get_all(self, TRUE);
 275
 276     /* specify that if we exit, the window should not be destroyed and
 277        should be reparented back to root automatically */
 278     XChangeSaveSet(ob_display, window, SetModeInsert);
 279
 280     /* create the decoration frame for the client window */
 281     self->frame = frame_new(self);
 282
 283     frame_grab_client(self->frame);
 284
 285     /* we've grabbed everything and set everything that we need to at mapping
 286        time now */
 287     grab_server(FALSE);
 288
 289     /* per-app settings override stuff from client_get_all, and return the
 290        settings for other uses too. the returned settings is a shallow copy,
 291        that needs to be freed with g_free(). */
 292     settings = client_get_settings_state(self);
 293     /* the session should get the last say though */
 294     client_restore_session_state(self);
 295
 296     /* now we have all of the window's information so we can set this up */
 297     client_setup_decor_and_functions(self, FALSE);
 298
 299     {
 300         Time t = sn_app_started(self->startup_id, self->class);
 301         if (t) self->user_time = t;
 302     }
 303
 304     /* do this after we have a frame.. it uses the frame to help determine the
 305        WM_STATE to apply. */
 306     client_change_state(self);
 307
 308     /* add ourselves to the focus order */
 309     focus_order_add_new(self);
 310
 311     /* do this to add ourselves to the stacking list in a non-intrusive way */
 312     client_calc_layer(self);
 313
 314     /* focus the new window? */
 315     if (ob_state() != OB_STATE_STARTING &&
 316         (!self->session || self->session->focused) &&
 317         /* this means focus=true for window is same as config_focus_new=true */
 318         ((config_focus_new || (settings && settings->focus == 1)) ||
 319          client_search_focus_tree_full(self)) &&
 320         /* this checks for focus=false for the window */
 321         (!settings || settings->focus != 0) &&
 322         focus_valid_target(self, FALSE, TRUE, FALSE, FALSE))
 323     {
 324         activate = TRUE;
 325     }
 326
 327     /* remove the client's border */
 328     XSetWindowBorderWidth(ob_display, self->window, 0);
 329
 330     /* adjust the frame to the client's size before showing or placing
 331        the window */
 332     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 333     frame_adjust_client_area(self->frame);
 334
 335     /* where the frame was placed is where the window was originally */
 336     placex = self->area.x;
 337     placey = self->area.y;
 338     placew = self->area.width;
 339     placeh = self->area.height;
 340
 341     /* figure out placement for the window if the window is new */
 342     if (ob_state() == OB_STATE_RUNNING) {
 343         ob_debug("Positioned: %s @ %d %d\n",
 344                  (!self->positioned ? "no" :
 345                   (self->positioned == PPosition ? "program specified" :
 346                    (self->positioned == USPosition ? "user specified" :
 347                     (self->positioned == (PPosition | USPosition) ?
 348                      "program + user specified" :
 349                      "BADNESS !?")))), placex, placey);
 350
 351         ob_debug("Sized: %s @ %d %d\n",
 352                  (!self->sized ? "no" :
 353                   (self->sized == PSize ? "program specified" :
 354                    (self->sized == USSize ? "user specified" :
 355                     (self->sized == (PSize | USSize) ?
 356                      "program + user specified" :
 357                      "BADNESS !?")))), placew, placeh);
 358
 359         /* splash screens are also returned as TRUE for transient,
 360            and so will be forced on screen below */
 361         transient = place_client(self, &placex, &placey, settings);
 362
 363         /* make sure the window is visible. */
 364         client_find_onscreen(self, &placex, &placey, placew, placeh,
 365                              /* non-normal clients has less rules, and
 366                                 windows that are being restored from a
 367                                 session do also. we can assume you want
 368                                 it back where you saved it. Clients saying
 369                                 they placed themselves are subjected to
 370                                 harder rules, ones that are placed by
 371                                 place.c or by the user are allowed partially
 372                                 off-screen and on xinerama divides (ie,
 373                                 it is up to the placement routines to avoid
 374                                 the xinerama divides)
 375
 376                                 splash screens get "transient" set to TRUE by
 377                                 the place_client call
 378                              */
 379                              ob_state() == OB_STATE_RUNNING &&
 380                              (transient ||
 381                               (!(self->positioned & USPosition) &&
 382                                client_normal(self) &&
 383                                !self->session)));
 384     }
 385
 386     /* if the window isn't user-sized, then make it fit inside
 387        the visible screen area on its monitor. Use basically the same rules
 388        for forcing the window on screen in the client_find_onscreen call.
 389
 390        do this after place_client, it chooses the monitor!
 391
 392        splash screens get "transient" set to TRUE by
 393        the place_client call
 394     */
 395     if (ob_state() == OB_STATE_RUNNING &&
 396         (transient ||
 397          (!(self->sized & USSize) &&
 398           client_normal(self) &&
 399           !self->session)))
 400     {
 401         Rect placer;
 402
 403         RECT_SET(placer, placex, placey, placew, placeh);
 404         frame_rect_to_frame(self->frame, &placer);
 405
 406         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &placer);
 407
 408         /* shrink by the frame's area */
 409         a->width -= self->frame->size.left + self->frame->size.right;
 410         a->height -= self->frame->size.top + self->frame->size.bottom;
 411
 412         /* fit the window inside the area */
 413         if (placew > a->width || self->area.height > a->height) {
 414             placew = MIN(self->area.width, a->width);
 415             placeh = MIN(self->area.height, a->height);
 416
 417             ob_debug("setting window size to %dx%d\n",
 418                      self->area.width, self->area.height);
 419         }
 420         g_free(a);
 421     }
 422
 423
 424     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 425              "some restrictions may apply\n",
 426              self->window, placex, placey, placew, placeh);
 427     if (self->session)
 428         ob_debug("  but session requested %d, %d  %d x %d instead, "
 429                  "overriding\n",
 430                  self->session->x, self->session->y,
 431                  self->session->w, self->session->h);
 432
 433     /* do this after the window is placed, so the premax/prefullscreen numbers
 434        won't be all wacko!!
 435
 436        this also places the window
 437     */
 438     client_apply_startup_state(self, placex, placey, placew, placeh);
 439
 440     if (activate) {
 441         guint32 last_time = focus_client ?
 442             focus_client->user_time : CurrentTime;
 443
 444         /* This is focus stealing prevention */
 445         ob_debug_type(OB_DEBUG_FOCUS,
 446                       "Want to focus new window 0x%x with time %u "
 447                       "(last time %u)\n",
 448                       self->window, self->user_time, last_time);
 449
 450         /* if it's on another desktop */
 451         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 452             && /* the timestamp is from before you changed desktops */
 453             self->user_time && screen_desktop_user_time &&
 454             !event_time_after(self->user_time, screen_desktop_user_time))
 455         {
 456             activate = FALSE;
 457             ob_debug_type(OB_DEBUG_FOCUS,
 458                           "Not focusing the window because its on another "
 459                           "desktop\n");
 460         }
 461         /* If something is focused, and it's not our relative... */
 462         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
 463                  client_search_focus_group_full(self) == NULL)
 464         {
 465             /* If time stamp is old, don't steal focus */
 466             if (self->user_time && last_time &&
 467                 !event_time_after(self->user_time, last_time))
 468             {
 469                 activate = FALSE;
 470                 ob_debug_type(OB_DEBUG_FOCUS,
 471                               "Not focusing the window because the time is "
 472                               "too old\n");
 473             }
 474             /* If its a transient (and parents aren't focused) and the time
 475                is ambiguous (either the current focus target doesn't have
 476                a timestamp, or they are the same (we probably inherited it
 477                from them) */
 478             else if (client_has_parent(self) &&
 479                      (!last_time || self->user_time == last_time))
 480             {
 481                 activate = FALSE;
 482                 ob_debug_type(OB_DEBUG_FOCUS,
 483                               "Not focusing the window because it is a "
 484                               "transient, and the time is very ambiguous\n");
 485             }
 486             /* Don't steal focus from globally active clients.
 487                I stole this idea from KWin. It seems nice.
 488              */
 489             else if (!(focus_client->can_focus ||
 490                        focus_client->focus_notify))
 491             {
 492                 activate = FALSE;
 493                 ob_debug_type(OB_DEBUG_FOCUS,
 494                               "Not focusing the window because a globally "
 495                               "active client has focus\n");
 496             }
 497             /* Don't move focus if it's not going to go to this window
 498                anyway */
 499             else if (client_focus_target(self) != self) {
 500                 activate = FALSE;
 501                 ob_debug_type(OB_DEBUG_FOCUS,
 502                               "Not focusing the window because another window "
 503                               "would get the focus anyway\n");
 504             }
 505         }
 506
 507         if (!activate) {
 508             ob_debug_type(OB_DEBUG_FOCUS,
 509                           "Focus stealing prevention activated for %s with "
 510                           "time %u (last time %u)\n",
 511                           self->title, self->user_time, last_time);
 512             /* if the client isn't focused, then hilite it so the user
 513                knows it is there */
 514             client_hilite(self, TRUE);
 515         }
 516     }
 517     else {
 518         /* This may look rather odd. Well it's because new windows are added
 519            to the stacking order non-intrusively. If we're not going to focus
 520            the new window or hilite it, then we raise it to the top. This will
 521            take affect for things that don't get focused like splash screens.
 522            Also if you don't have focus_new enabled, then it's going to get
 523            raised to the top. Legacy begets legacy I guess?
 524         */
 525         if (!client_restore_session_stacking(self))
 526             stacking_raise(CLIENT_AS_WINDOW(self));
 527     }
 528
 529     mouse_grab_for_client(self, TRUE);
 530
 531     /* this has to happen before we try focus the window, but we want it to
 532        happen after the client's stacking has been determined or it looks bad
 533     */
 534     {
 535         gulong ignore_start;
 536         if (!config_focus_under_mouse)
 537             ignore_start = event_start_ignore_all_enters();
 538
 539         client_show(self);
 540
 541         if (!config_focus_under_mouse)
 542             event_end_ignore_all_enters(ignore_start);
 543     }
 544
 545     if (activate) {
 546         gboolean stacked = client_restore_session_stacking(self);
 547         client_present(self, FALSE, !stacked);
 548     }
 549
 550     /* add to client list/map */
 551     client_list = g_list_append(client_list, self);
 552     g_hash_table_insert(window_map, &self->window, self);
 553
 554     /* this has to happen after we're in the client_list */
 555     if (STRUT_EXISTS(self->strut))
 556         screen_update_areas();
 557
 558     /* update the list hints */
 559     client_set_list();
 560
 561     /* free the ObAppSettings shallow copy */
 562     g_free(settings);
 563
 564     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 565              window, self->frame->window, self->class);
 566
 567     return;
 568 }
 569
 570
 571 ObClient *client_fake_manage(Window window)
 572 {
 573     ObClient *self;
 574     ObAppSettings *settings;
 575
 576     ob_debug("Pretend-managing window: %lx\n", window);
 577
 578     /* do this minimal stuff to figure out the client's decorations */
 579
 580     self = g_new0(ObClient, 1);
 581     self->window = window;
 582
 583     client_get_all(self, FALSE);
 584     /* per-app settings override stuff, and return the settings for other
 585        uses too. this returns a shallow copy that needs to be freed */
 586     settings = client_get_settings_state(self);
 587
 588     client_setup_decor_and_functions(self, FALSE);
 589
 590     /* create the decoration frame for the client window and adjust its size */
 591     self->frame = frame_new(self);
 592     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 593
 594     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 595              self->frame->size.left, self->frame->size.right,
 596              self->frame->size.top, self->frame->size.bottom);
 597
 598     /* free the ObAppSettings shallow copy */
 599     g_free(settings);
 600
 601     return self;
 602 }
 603
 604 void client_unmanage_all()
 605 {
 606     while (client_list != NULL)
 607         client_unmanage(client_list->data);
 608 }
 609
 610 void client_unmanage(ObClient *self)
 611 {
 612     guint j;
 613     GSList *it;
 614     gulong ignore_start;
 615
 616     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 617              self->window, self->frame->window,
 618              self->class, self->title ? self->title : "");
 619
 620     g_assert(self != NULL);
 621
 622     /* we dont want events no more. do this before hiding the frame so we
 623        don't generate more events */
 624     XSelectInput(ob_display, self->window, NoEventMask);
 625
 626     /* ignore enter events from the unmap so it doesnt mess with the focus */
 627     if (!config_focus_under_mouse)
 628         ignore_start = event_start_ignore_all_enters();
 629
 630     frame_hide(self->frame);
 631     /* flush to send the hide to the server quickly */
 632     XFlush(ob_display);
 633
 634     if (!config_focus_under_mouse)
 635         event_end_ignore_all_enters(ignore_start);
 636
 637     mouse_grab_for_client(self, FALSE);
 638
 639     /* remove the window from our save set */
 640     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 641
 642     /* kill the property windows */
 643     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 644
 645     /* update the focus lists */
 646     focus_order_remove(self);
 647     if (client_focused(self)) {
 648         /* don't leave an invalid focus_client */
 649         focus_client = NULL;
 650     }
 651
 652     client_list = g_list_remove(client_list, self);
 653     stacking_remove(self);
 654     g_hash_table_remove(window_map, &self->window);
 655
 656     /* once the client is out of the list, update the struts to remove its
 657        influence */
 658     if (STRUT_EXISTS(self->strut))
 659         screen_update_areas();
 660
 661     client_call_notifies(self, client_destroy_notifies);
 662
 663     /* tell our parent(s) that we're gone */
 664     for (it = self->parents; it; it = g_slist_next(it))
 665         ((ObClient*)it->data)->transients =
 666             g_slist_remove(((ObClient*)it->data)->transients,self);
 667
 668     /* tell our transients that we're gone */
 669     for (it = self->transients; it; it = g_slist_next(it)) {
 670         ((ObClient*)it->data)->parents =
 671             g_slist_remove(((ObClient*)it->data)->parents, self);
 672         /* we could be keeping our children in a higher layer */
 673         client_calc_layer(it->data);
 674     }
 675
 676     /* remove from its group */
 677     if (self->group) {
 678         group_remove(self->group, self);
 679         self->group = NULL;
 680     }
 681
 682     /* restore the window's original geometry so it is not lost */
 683     {
 684         Rect a;
 685
 686         a = self->area;
 687
 688         if (self->fullscreen)
 689             a = self->pre_fullscreen_area;
 690         else if (self->max_horz || self->max_vert) {
 691             if (self->max_horz) {
 692                 a.x = self->pre_max_area.x;
 693                 a.width = self->pre_max_area.width;
 694             }
 695             if (self->max_vert) {
 696                 a.y = self->pre_max_area.y;
 697                 a.height = self->pre_max_area.height;
 698             }
 699         }
 700
 701         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 702         /* let it be moved and resized no matter what */
 703         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 704         self->decorations = 0; /* unmanaged windows have no decor */
 705
 706         /* give the client its border back */
 707         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 708
 709         client_move_resize(self, a.x, a.y, a.width, a.height);
 710     }
 711
 712     /* reparent the window out of the frame, and free the frame */
 713     frame_release_client(self->frame);
 714     frame_free(self->frame);
 715     self->frame = NULL;
 716
 717     if (ob_state() != OB_STATE_EXITING) {
 718         /* these values should not be persisted across a window
 719            unmapping/mapping */
 720         PROP_ERASE(self->window, net_wm_desktop);
 721         PROP_ERASE(self->window, net_wm_state);
 722         PROP_ERASE(self->window, wm_state);
 723     } else {
 724         /* if we're left in an unmapped state, the client wont be mapped.
 725            this is bad, since we will no longer be managing the window on
 726            restart */
 727         XMapWindow(ob_display, self->window);
 728     }
 729
 730     /* update the list hints */
 731     client_set_list();
 732
 733     ob_debug("Unmanaged window 0x%lx\n", self->window);
 734
 735     /* free all data allocated in the client struct */
 736     g_slist_free(self->transients);
 737     for (j = 0; j < self->nicons; ++j)
 738         g_free(self->icons[j].data);
 739     if (self->nicons > 0)
 740         g_free(self->icons);
 741     g_free(self->wm_command);
 742     g_free(self->title);
 743     g_free(self->icon_title);
 744     g_free(self->name);
 745     g_free(self->class);
 746     g_free(self->role);
 747     g_free(self->client_machine);
 748     g_free(self->sm_client_id);
 749     g_free(self);
 750 }
 751
 752 void client_fake_unmanage(ObClient *self)
 753 {
 754     /* this is all that got allocated to get the decorations */
 755
 756     frame_free(self->frame);
 757     g_free(self);
 758 }
 759
 760 /*! Returns a new structure containing the per-app settings for this client.
 761   The returned structure needs to be freed with g_free. */
 762 static ObAppSettings *client_get_settings_state(ObClient *self)
 763 {
 764     ObAppSettings *settings;
 765     GSList *it;
 766
 767     settings = config_create_app_settings();
 768
 769     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 770         ObAppSettings *app = it->data;
 771         gboolean match = TRUE;
 772
 773         g_assert(app->name != NULL || app->class != NULL);
 774
 775         /* we know that either name or class is not NULL so it will have to
 776            match to use the rule */
 777         if (app->name &&
 778             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 779             match = FALSE;
 780         else if (app->class &&
 781                 !g_pattern_match(app->class,
 782                                  strlen(self->class), self->class, NULL))
 783             match = FALSE;
 784         else if (app->role &&
 785                  !g_pattern_match(app->role,
 786                                   strlen(self->role), self->role, NULL))
 787             match = FALSE;
 788
 789         if (match) {
 790             ob_debug("Window matching: %s\n", app->name);
 791
 792             /* copy the settings to our struct, overriding the existing
 793                settings if they are not defaults */
 794             config_app_settings_copy_non_defaults(app, settings);
 795         }
 796     }
 797
 798     if (settings->shade != -1)
 799         self->shaded = !!settings->shade;
 800     if (settings->decor != -1)
 801         self->undecorated = !settings->decor;
 802     if (settings->iconic != -1)
 803         self->iconic = !!settings->iconic;
 804     if (settings->skip_pager != -1)
 805         self->skip_pager = !!settings->skip_pager;
 806     if (settings->skip_taskbar != -1)
 807         self->skip_taskbar = !!settings->skip_taskbar;
 808
 809     if (settings->max_vert != -1)
 810         self->max_vert = !!settings->max_vert;
 811     if (settings->max_horz != -1)
 812         self->max_horz = !!settings->max_horz;
 813
 814     if (settings->fullscreen != -1)
 815         self->fullscreen = !!settings->fullscreen;
 816
 817     if (settings->desktop) {
 818         if (settings->desktop == DESKTOP_ALL)
 819             self->desktop = settings->desktop;
 820         else if (settings->desktop > 0 &&
 821                  settings->desktop <= screen_num_desktops)
 822             self->desktop = settings->desktop - 1;
 823     }
 824
 825     if (settings->layer == -1) {
 826         self->below = TRUE;
 827         self->above = FALSE;
 828     }
 829     else if (settings->layer == 0) {
 830         self->below = FALSE;
 831         self->above = FALSE;
 832     }
 833     else if (settings->layer == 1) {
 834         self->below = FALSE;
 835         self->above = TRUE;
 836     }
 837     return settings;
 838 }
 839
 840 static void client_restore_session_state(ObClient *self)
 841 {
 842     GList *it;
 843
 844     ob_debug_type(OB_DEBUG_SM,
 845                   "Restore session for client %s\n", self->title);
 846
 847     if (!(it = session_state_find(self))) {
 848         ob_debug_type(OB_DEBUG_SM,
 849                       "Session data not found for client %s\n", self->title);
 850         return;
 851     }
 852
 853     self->session = it->data;
 854
 855     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 856                   self->title);
 857
 858     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 859     self->positioned = USPosition;
 860     self->sized = USSize;
 861     if (self->session->w > 0)
 862         self->area.width = self->session->w;
 863     if (self->session->h > 0)
 864         self->area.height = self->session->h;
 865     XResizeWindow(ob_display, self->window,
 866                   self->area.width, self->area.height);
 867
 868     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 869                      self->session->desktop :
 870                      MIN(screen_num_desktops - 1, self->session->desktop));
 871     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 872
 873     self->shaded = self->session->shaded;
 874     self->iconic = self->session->iconic;
 875     self->skip_pager = self->session->skip_pager;
 876     self->skip_taskbar = self->session->skip_taskbar;
 877     self->fullscreen = self->session->fullscreen;
 878     self->above = self->session->above;
 879     self->below = self->session->below;
 880     self->max_horz = self->session->max_horz;
 881     self->max_vert = self->session->max_vert;
 882     self->undecorated = self->session->undecorated;
 883 }
 884
 885 static gboolean client_restore_session_stacking(ObClient *self)
 886 {
 887     GList *it, *mypos;
 888
 889     if (!self->session) return FALSE;
 890
 891     mypos = g_list_find(session_saved_state, self->session);
 892     if (!mypos) return FALSE;
 893
 894     /* start above me and look for the first client */
 895     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 896         GList *cit;
 897
 898         for (cit = client_list; cit; cit = g_list_next(cit)) {
 899             ObClient *c = cit->data;
 900             /* found a client that was in the session, so go below it */
 901             if (c->session == it->data) {
 902                 stacking_below(CLIENT_AS_WINDOW(self),
 903                                CLIENT_AS_WINDOW(cit->data));
 904                 return TRUE;
 905             }
 906         }
 907     }
 908     return FALSE;
 909 }
 910
 911 void client_move_onscreen(ObClient *self, gboolean rude)
 912 {
 913     gint x = self->area.x;
 914     gint y = self->area.y;
 915     if (client_find_onscreen(self, &x, &y,
 916                              self->area.width,
 917                              self->area.height, rude)) {
 918         client_move(self, x, y);
 919     }
 920 }
 921
 922 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 923                               gboolean rude)
 924 {
 925     gint ox = *x, oy = *y;
 926     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 927     gint fw, fh;
 928     Rect desired;
 929     guint i;
 930
 931     RECT_SET(desired, *x, *y, w, h);
 932     frame_rect_to_frame(self->frame, &desired);
 933
 934     /* get where the frame would be */
 935     frame_client_gravity(self->frame, x, y, w, h);
 936
 937     /* get the requested size of the window with decorations */
 938     fw = self->frame->size.left + w + self->frame->size.right;
 939     fh = self->frame->size.top + h + self->frame->size.bottom;
 940
 941     /* If rudeness wasn't requested, then still be rude in a given direction
 942        if the client is not moving, only resizing in that direction */
 943     if (!rude) {
 944         Point oldtl, oldtr, oldbl, oldbr;
 945         Point newtl, newtr, newbl, newbr;
 946         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 947
 948         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 949         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 950                   self->frame->area.y + self->frame->area.height - 1);
 951         POINT_SET(oldtr, oldbr.x, oldtl.y);
 952         POINT_SET(oldbl, oldtl.x, oldbr.y);
 953
 954         POINT_SET(newtl, *x, *y);
 955         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 956         POINT_SET(newtr, newbr.x, newtl.y);
 957         POINT_SET(newbl, newtl.x, newbr.y);
 958
 959         /* is it moving or just resizing from some corner? */
 960         stationary_l = oldtl.x == newtl.x;
 961         stationary_r = oldtr.x == newtr.x;
 962         stationary_t = oldtl.y == newtl.y;
 963         stationary_b = oldbl.y == newbl.y;
 964
 965         /* if left edge is growing and didnt move right edge */
 966         if (stationary_r && newtl.x < oldtl.x)
 967             rudel = TRUE;
 968         /* if right edge is growing and didnt move left edge */
 969         if (stationary_l && newtr.x > oldtr.x)
 970             ruder = TRUE;
 971         /* if top edge is growing and didnt move bottom edge */
 972         if (stationary_b && newtl.y < oldtl.y)
 973             rudet = TRUE;
 974         /* if bottom edge is growing and didnt move top edge */
 975         if (stationary_t && newbl.y > oldbl.y)
 976             rudeb = TRUE;
 977     }
 978
 979     for (i = 0; i < screen_num_monitors; ++i) {
 980         Rect *a;
 981
 982         if (!screen_physical_area_monitor_contains(i, &desired))
 983             continue;
 984
 985         a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
 986
 987         /* This makes sure windows aren't entirely outside of the screen so you
 988            can't see them at all.
 989            It makes sure 10% of the window is on the screen at least. At don't
 990            let it move itself off the top of the screen, which would hide the
 991            titlebar on you. (The user can still do this if they want too, it's
 992            only limiting the application.
 993         */
 994         if (client_normal(self)) {
 995             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
 996                 *x = a->x + a->width - fw/10;
 997             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
 998                 *y = a->y + a->height - fh/10;
 999             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1000                 *x = a->x - fw*9/10;
1001             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1002                 *y = a->y - fw*9/10;
1003         }
1004
1005         /* This here doesn't let windows even a pixel outside the
1006            struts/screen. When called from client_manage, programs placing
1007            themselves are forced completely onscreen, while things like
1008            xterm -geometry resolution-width/2 will work fine. Trying to
1009            place it completely offscreen will be handled in the above code.
1010            Sorry for this confused comment, i am tired. */
1011         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1012         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1013             *x = a->x + MAX(0, a->width - fw);
1014
1015         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1016         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1017             *y = a->y + MAX(0, a->height - fh);
1018
1019         g_free(a);
1020     }
1021
1022     /* get where the client should be */
1023     frame_frame_gravity(self->frame, x, y, w, h);
1024
1025     return ox != *x || oy != *y;
1026 }
1027
1028 static void client_get_all(ObClient *self, gboolean real)
1029 {
1030     /* this is needed for the frame to set itself up */
1031     client_get_area(self);
1032
1033     /* these things can change the decor and functions of the window */
1034
1035     client_get_mwm_hints(self);
1036     /* this can change the mwmhints for special cases */
1037     client_get_type_and_transientness(self);
1038     client_get_state(self);
1039     client_update_normal_hints(self);
1040
1041     /* get the session related properties, these can change decorations
1042        from per-app settings */
1043     client_get_session_ids(self);
1044
1045     /* now we got everything that can affect the decorations */
1046     if (!real)
1047         return;
1048
1049     /* get this early so we have it for debugging */
1050     client_update_title(self);
1051
1052     client_update_protocols(self);
1053
1054     client_update_wmhints(self);
1055     /* this may have already been called from client_update_wmhints */
1056     if (!self->parents && !self->transient_for_group)
1057         client_update_transient_for(self);
1058
1059     client_get_startup_id(self);
1060     client_get_desktop(self);/* uses transient data/group/startup id if a
1061                                 desktop is not specified */
1062     client_get_shaped(self);
1063
1064     {
1065         /* a couple type-based defaults for new windows */
1066
1067         /* this makes sure that these windows appear on all desktops */
1068         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1069             self->desktop = DESKTOP_ALL;
1070     }
1071
1072 #ifdef SYNC
1073     client_update_sync_request_counter(self);
1074 #endif
1075
1076     client_get_colormap(self);
1077     client_update_strut(self);
1078     client_update_icons(self);
1079     client_update_user_time_window(self);
1080     if (!self->user_time_window) /* check if this would have been called */
1081         client_update_user_time(self);
1082     client_update_icon_geometry(self);
1083 }
1084
1085 static void client_get_startup_id(ObClient *self)
1086 {
1087     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1088         if (self->group)
1089             PROP_GETS(self->group->leader,
1090                       net_startup_id, utf8, &self->startup_id);
1091 }
1092
1093 static void client_get_area(ObClient *self)
1094 {
1095     XWindowAttributes wattrib;
1096     Status ret;
1097
1098     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1099     g_assert(ret != BadWindow);
1100
1101     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1102     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1103     self->border_width = wattrib.border_width;
1104
1105     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1106              wattrib.width, wattrib.height, wattrib.border_width);
1107 }
1108
1109 static void client_get_desktop(ObClient *self)
1110 {
1111     guint32 d = screen_num_desktops; /* an always-invalid value */
1112
1113     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1114         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1115             self->desktop = screen_num_desktops - 1;
1116         else
1117             self->desktop = d;
1118         ob_debug("client requested desktop 0x%x\n", self->desktop);
1119     } else {
1120         GSList *it;
1121         gboolean first = TRUE;
1122         guint all = screen_num_desktops; /* not a valid value */
1123
1124         /* if they are all on one desktop, then open it on the
1125            same desktop */
1126         for (it = self->parents; it; it = g_slist_next(it)) {
1127             ObClient *c = it->data;
1128
1129             if (c->desktop == DESKTOP_ALL) continue;
1130
1131             if (first) {
1132                 all = c->desktop;
1133                 first = FALSE;
1134             }
1135             else if (all != c->desktop)
1136                 all = screen_num_desktops; /* make it invalid */
1137         }
1138         if (all != screen_num_desktops) {
1139             self->desktop = all;
1140
1141             ob_debug("client desktop set from parents: 0x%x\n",
1142                      self->desktop);
1143         }
1144         /* try get from the startup-notification protocol */
1145         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1146             if (self->desktop >= screen_num_desktops &&
1147                 self->desktop != DESKTOP_ALL)
1148                 self->desktop = screen_num_desktops - 1;
1149             ob_debug("client desktop set from startup-notification: 0x%x\n",
1150                      self->desktop);
1151         }
1152         /* defaults to the current desktop */
1153         else {
1154             self->desktop = screen_desktop;
1155             ob_debug("client desktop set to the current desktop: %d\n",
1156                      self->desktop);
1157         }
1158     }
1159 }
1160
1161 static void client_get_state(ObClient *self)
1162 {
1163     guint32 *state;
1164     guint num;
1165
1166     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1167         gulong i;
1168         for (i = 0; i < num; ++i) {
1169             if (state[i] == prop_atoms.net_wm_state_modal)
1170                 self->modal = TRUE;
1171             else if (state[i] == prop_atoms.net_wm_state_shaded)
1172                 self->shaded = TRUE;
1173             else if (state[i] == prop_atoms.net_wm_state_hidden)
1174                 self->iconic = TRUE;
1175             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1176                 self->skip_taskbar = TRUE;
1177             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1178                 self->skip_pager = TRUE;
1179             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1180                 self->fullscreen = TRUE;
1181             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1182                 self->max_vert = TRUE;
1183             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1184                 self->max_horz = TRUE;
1185             else if (state[i] == prop_atoms.net_wm_state_above)
1186                 self->above = TRUE;
1187             else if (state[i] == prop_atoms.net_wm_state_below)
1188                 self->below = TRUE;
1189             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1190                 self->demands_attention = TRUE;
1191             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1192                 self->undecorated = TRUE;
1193         }
1194
1195         g_free(state);
1196     }
1197 }
1198
1199 static void client_get_shaped(ObClient *self)
1200 {
1201     self->shaped = FALSE;
1202 #ifdef   SHAPE
1203     if (extensions_shape) {
1204         gint foo;
1205         guint ufoo;
1206         gint s;
1207
1208         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1209
1210         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1211                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1212                            &ufoo);
1213         self->shaped = (s != 0);
1214     }
1215 #endif
1216 }
1217
1218 void client_update_transient_for(ObClient *self)
1219 {
1220     Window t = None;
1221     ObClient *target = NULL;
1222     gboolean trangroup = FALSE;
1223
1224     if (XGetTransientForHint(ob_display, self->window, &t)) {
1225         if (t != self->window) { /* cant be transient to itself! */
1226             target = g_hash_table_lookup(window_map, &t);
1227             /* if this happens then we need to check for it*/
1228             g_assert(target != self);
1229             if (target && !WINDOW_IS_CLIENT(target)) {
1230                 /* this can happen when a dialog is a child of
1231                    a dockapp, for example */
1232                 target = NULL;
1233             }
1234         }
1235
1236         /* Setting the transient_for to Root is actually illegal, however
1237            applications from time have done this to specify transient for
1238            their group */
1239         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1240             trangroup = TRUE;
1241     } else if (self->group && self->transient)
1242         trangroup = TRUE;
1243
1244     client_update_transient_tree(self, self->group, self->group,
1245                                  self->transient_for_group, trangroup,
1246                                  client_direct_parent(self), target);
1247     self->transient_for_group = trangroup;
1248
1249 }
1250
1251 static void client_update_transient_tree(ObClient *self,
1252                                          ObGroup *oldgroup, ObGroup *newgroup,
1253                                          gboolean oldgtran, gboolean newgtran,
1254                                          ObClient* oldparent,
1255                                          ObClient *newparent)
1256 {
1257     GSList *it, *next;
1258     ObClient *c;
1259
1260     g_assert(!oldgtran || oldgroup);
1261     g_assert(!newgtran || newgroup);
1262     g_assert((!oldgtran && !oldparent) ||
1263              (oldgtran && !oldparent) ||
1264              (!oldgtran && oldparent));
1265     g_assert((!newgtran && !newparent) ||
1266              (newgtran && !newparent) ||
1267              (!newgtran && newparent));
1268
1269     /* * *
1270       Group transient windows are not allowed to have other group
1271       transient windows as their children.
1272       * * */
1273
1274
1275     /* No change has occured */
1276     if (oldgroup == newgroup &&
1277         oldgtran == newgtran &&
1278         oldparent == newparent) return;
1279
1280     /** Remove the client from the transient tree wherever it has changed **/
1281
1282     /* If the window is becoming a direct transient for a window in its group
1283        then any group transients which were our children and are now becoming
1284        our parents need to stop being our children.
1285
1286        Group transients can't be children of group transients already, but
1287        we could have any number of direct parents above up, any of which could
1288        be transient for the group, and we need to remove it from our children.
1289     */
1290     if (!oldgtran && oldparent != newparent && newparent != NULL &&
1291         newgroup != NULL && newgroup == oldgroup &&
1292         client_normal(newparent))
1293     {
1294         ObClient *look = client_search_top_direct_parent(newparent);
1295         self->transients = g_slist_remove(self->transients, look);
1296         look->parents = g_slist_remove(look->parents, self);
1297     }
1298
1299
1300     /* If the group changed, or if we are just becoming transient for the
1301        group, then we need to remove any old group transient windows
1302        from our children. But if we were already transient for the group, then
1303        other group transients are not our children. */
1304     if ((oldgroup != newgroup || (newgtran && oldgtran != newgtran)) &&
1305         oldgroup != NULL && !oldgtran)
1306     {
1307         for (it = self->transients; it; it = next) {
1308             next = g_slist_next(it);
1309             c = it->data;
1310             if (c->group == oldgroup && client_normal(self)) {
1311                 self->transients = g_slist_delete_link(self->transients, it);
1312                 c->parents = g_slist_remove(c->parents, self);
1313             }
1314         }
1315     }
1316
1317     /* If we used to be transient for a group and now we are not, or we're
1318        transient for a new group, then we need to remove ourselves from all
1319        our ex-parents */
1320     if (oldgtran && (oldgroup != newgroup || oldgtran != newgtran))
1321     {
1322         for (it = self->parents; it; it = next) {
1323             next = g_slist_next(it);
1324             c = it->data;
1325             if (!c->transient_for_group && client_normal(c)) {
1326                 c->transients = g_slist_remove(c->transients, self);
1327                 self->parents = g_slist_delete_link(self->parents, it);
1328             }
1329         }
1330     }
1331     /* If we used to be transient for a single window and we are no longer
1332        transient for it, then we need to remove ourself from its children */
1333     else if (oldparent && oldparent != newparent &&
1334              client_normal(oldparent))
1335     {
1336         oldparent->transients = g_slist_remove(oldparent->transients, self);
1337         self->parents = g_slist_remove(self->parents, oldparent);
1338     }
1339
1340     /** Re-add the client to the transient tree wherever it has changed **/
1341
1342     /* If we're now transient for a group and we weren't transient for it
1343        before then we need to add ourselves to all our new parents */
1344     if (newgtran && (oldgroup != newgroup || oldgtran != newgtran))
1345     {
1346         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1347             c = it->data;
1348             if (c != self && !c->transient_for_group && client_normal(c))
1349             {
1350                 c->transients = g_slist_prepend(c->transients, self);
1351                 self->parents = g_slist_prepend(self->parents, c);
1352             }
1353         }
1354     }
1355     /* If we are now transient for a single window which we weren't before,
1356        we need to add ourselves to its children
1357
1358        WARNING: Cyclical transient ness is possible if two windows are
1359        transient for eachother.
1360     */
1361     else if (newparent && newparent != oldparent &&
1362              /* don't make ourself its child if it is already our child */
1363              !client_is_direct_child(self, newparent) &&
1364              client_normal(newparent))
1365     {
1366         newparent->transients = g_slist_prepend(newparent->transients, self);
1367         self->parents = g_slist_prepend(self->parents, newparent);
1368     }
1369
1370     /* If the group changed then we need to add any new group transient
1371        windows to our children. But if we're transient for the group, then
1372        other group transients are not our children.
1373
1374        WARNING: Cyclical transient-ness is possible. For e.g. if:
1375        A is transient for the group
1376        B is transient for A
1377        C is transient for B
1378        A can't be transient for C or we have a cycle
1379     */
1380     if (oldgroup != newgroup && newgroup != NULL && !newgtran &&
1381         client_normal(self))
1382     {
1383         for (it = newgroup->members; it; it = g_slist_next(it)) {
1384             c = it->data;
1385             if (c != self && c->transient_for_group &&
1386                 /* Don't make it our child if it is already our parent */
1387                 !client_is_direct_child(c, self))
1388             {
1389                 self->transients = g_slist_prepend(self->transients, c);
1390                 c->parents = g_slist_prepend(c->parents, self);
1391             }
1392         }
1393     }
1394 }
1395
1396 static void client_get_mwm_hints(ObClient *self)
1397 {
1398     guint num;
1399     guint32 *hints;
1400
1401     self->mwmhints.flags = 0; /* default to none */
1402
1403     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1404                     &hints, &num)) {
1405         if (num >= OB_MWM_ELEMENTS) {
1406             self->mwmhints.flags = hints[0];
1407             self->mwmhints.functions = hints[1];
1408             self->mwmhints.decorations = hints[2];
1409         }
1410         g_free(hints);
1411     }
1412 }
1413
1414 void client_get_type_and_transientness(ObClient *self)
1415 {
1416     guint num, i;
1417     guint32 *val;
1418     Window t;
1419
1420     self->type = -1;
1421     self->transient = FALSE;
1422
1423     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1424         /* use the first value that we know about in the array */
1425         for (i = 0; i < num; ++i) {
1426             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1427                 self->type = OB_CLIENT_TYPE_DESKTOP;
1428             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1429                 self->type = OB_CLIENT_TYPE_DOCK;
1430             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1431                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1432             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1433                 self->type = OB_CLIENT_TYPE_MENU;
1434             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1435                 self->type = OB_CLIENT_TYPE_UTILITY;
1436             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1437                 self->type = OB_CLIENT_TYPE_SPLASH;
1438             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1439                 self->type = OB_CLIENT_TYPE_DIALOG;
1440             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1441                 self->type = OB_CLIENT_TYPE_NORMAL;
1442             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1443                 /* prevent this window from getting any decor or
1444                    functionality */
1445                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1446                                          OB_MWM_FLAG_DECORATIONS);
1447                 self->mwmhints.decorations = 0;
1448                 self->mwmhints.functions = 0;
1449             }
1450             if (self->type != (ObClientType) -1)
1451                 break; /* grab the first legit type */
1452         }
1453         g_free(val);
1454     }
1455
1456     if (XGetTransientForHint(ob_display, self->window, &t))
1457         self->transient = TRUE;
1458
1459     if (self->type == (ObClientType) -1) {
1460         /*the window type hint was not set, which means we either classify
1461           ourself as a normal window or a dialog, depending on if we are a
1462           transient. */
1463         if (self->transient)
1464             self->type = OB_CLIENT_TYPE_DIALOG;
1465         else
1466             self->type = OB_CLIENT_TYPE_NORMAL;
1467     }
1468
1469     /* then, based on our type, we can update our transientness.. */
1470     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1471         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1472         self->type == OB_CLIENT_TYPE_MENU ||
1473         self->type == OB_CLIENT_TYPE_UTILITY)
1474     {
1475         self->transient = TRUE;
1476     }
1477 }
1478
1479 void client_update_protocols(ObClient *self)
1480 {
1481     guint32 *proto;
1482     guint num_return, i;
1483
1484     self->focus_notify = FALSE;
1485     self->delete_window = FALSE;
1486
1487     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1488         for (i = 0; i < num_return; ++i) {
1489             if (proto[i] == prop_atoms.wm_delete_window)
1490                 /* this means we can request the window to close */
1491                 self->delete_window = TRUE;
1492             else if (proto[i] == prop_atoms.wm_take_focus)
1493                 /* if this protocol is requested, then the window will be
1494                    notified whenever we want it to receive focus */
1495                 self->focus_notify = TRUE;
1496 #ifdef SYNC
1497             else if (proto[i] == prop_atoms.net_wm_sync_request)
1498                 /* if this protocol is requested, then resizing the
1499                    window will be synchronized between the frame and the
1500                    client */
1501                 self->sync_request = TRUE;
1502 #endif
1503         }
1504         g_free(proto);
1505     }
1506 }
1507
1508 #ifdef SYNC
1509 void client_update_sync_request_counter(ObClient *self)
1510 {
1511     guint32 i;
1512
1513     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1514         self->sync_counter = i;
1515     } else
1516         self->sync_counter = None;
1517 }
1518 #endif
1519
1520 void client_get_colormap(ObClient *self)
1521 {
1522     XWindowAttributes wa;
1523
1524     if (XGetWindowAttributes(ob_display, self->window, &wa))
1525         client_update_colormap(self, wa.colormap);
1526 }
1527
1528 void client_update_colormap(ObClient *self, Colormap colormap)
1529 {
1530     if (colormap == self->colormap) return;
1531
1532     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1533
1534     if (client_focused(self)) {
1535         screen_install_colormap(self, FALSE); /* uninstall old one */
1536         self->colormap = colormap;
1537         screen_install_colormap(self, FALSE); /* install new one */
1538     } else
1539         self->colormap = colormap;
1540 }
1541
1542 void client_update_normal_hints(ObClient *self)
1543 {
1544     XSizeHints size;
1545     glong ret;
1546
1547     /* defaults */
1548     self->min_ratio = 0.0f;
1549     self->max_ratio = 0.0f;
1550     SIZE_SET(self->size_inc, 1, 1);
1551     SIZE_SET(self->base_size, 0, 0);
1552     SIZE_SET(self->min_size, 0, 0);
1553     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1554
1555     /* get the hints from the window */
1556     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1557         /* normal windows can't request placement! har har
1558         if (!client_normal(self))
1559         */
1560         self->positioned = (size.flags & (PPosition|USPosition));
1561         self->sized = (size.flags & (PSize|USSize));
1562
1563         if (size.flags & PWinGravity)
1564             self->gravity = size.win_gravity;
1565
1566         if (size.flags & PAspect) {
1567             if (size.min_aspect.y)
1568                 self->min_ratio =
1569                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1570             if (size.max_aspect.y)
1571                 self->max_ratio =
1572                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1573         }
1574
1575         if (size.flags & PMinSize)
1576             SIZE_SET(self->min_size, size.min_width, size.min_height);
1577
1578         if (size.flags & PMaxSize)
1579             SIZE_SET(self->max_size, size.max_width, size.max_height);
1580
1581         if (size.flags & PBaseSize)
1582             SIZE_SET(self->base_size, size.base_width, size.base_height);
1583
1584         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1585             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1586
1587         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1588                  "size inc (%d %d) base size (%d %d)\n",
1589                  self->min_size.width, self->min_size.height,
1590                  self->max_size.width, self->max_size.height,
1591                  self->size_inc.width, self->size_inc.height,
1592                  self->base_size.width, self->base_size.height);
1593     }
1594     else
1595         ob_debug("Normal hints: not set\n");
1596 }
1597
1598 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1599 {
1600     /* start with everything (cept fullscreen) */
1601     self->decorations =
1602         (OB_FRAME_DECOR_TITLEBAR |
1603          OB_FRAME_DECOR_HANDLE |
1604          OB_FRAME_DECOR_GRIPS |
1605          OB_FRAME_DECOR_BORDER |
1606          OB_FRAME_DECOR_ICON |
1607          OB_FRAME_DECOR_ALLDESKTOPS |
1608          OB_FRAME_DECOR_ICONIFY |
1609          OB_FRAME_DECOR_MAXIMIZE |
1610          OB_FRAME_DECOR_SHADE |
1611          OB_FRAME_DECOR_CLOSE);
1612     self->functions =
1613         (OB_CLIENT_FUNC_RESIZE |
1614          OB_CLIENT_FUNC_MOVE |
1615          OB_CLIENT_FUNC_ICONIFY |
1616          OB_CLIENT_FUNC_MAXIMIZE |
1617          OB_CLIENT_FUNC_SHADE |
1618          OB_CLIENT_FUNC_CLOSE |
1619          OB_CLIENT_FUNC_BELOW |
1620          OB_CLIENT_FUNC_ABOVE |
1621          OB_CLIENT_FUNC_UNDECORATE);
1622
1623     if (!(self->min_size.width < self->max_size.width ||
1624           self->min_size.height < self->max_size.height))
1625         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1626
1627     switch (self->type) {
1628     case OB_CLIENT_TYPE_NORMAL:
1629         /* normal windows retain all of the possible decorations and
1630            functionality, and are the only windows that you can fullscreen */
1631         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1632         break;
1633
1634     case OB_CLIENT_TYPE_DIALOG:
1635     case OB_CLIENT_TYPE_UTILITY:
1636         /* these windows don't have anything added or removed by default */
1637         break;
1638
1639     case OB_CLIENT_TYPE_MENU:
1640     case OB_CLIENT_TYPE_TOOLBAR:
1641         /* these windows can't iconify or maximize */
1642         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1643                                OB_FRAME_DECOR_MAXIMIZE);
1644         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1645                              OB_CLIENT_FUNC_MAXIMIZE);
1646         break;
1647
1648     case OB_CLIENT_TYPE_SPLASH:
1649         /* these don't get get any decorations, and the only thing you can
1650            do with them is move them */
1651         self->decorations = 0;
1652         self->functions = OB_CLIENT_FUNC_MOVE;
1653         break;
1654
1655     case OB_CLIENT_TYPE_DESKTOP:
1656         /* these windows are not manipulated by the window manager */
1657         self->decorations = 0;
1658         self->functions = 0;
1659         break;
1660
1661     case OB_CLIENT_TYPE_DOCK:
1662         /* these windows are not manipulated by the window manager, but they
1663            can set below layer which has a special meaning */
1664         self->decorations = 0;
1665         self->functions = OB_CLIENT_FUNC_BELOW;
1666         break;
1667     }
1668
1669     /* Mwm Hints are applied subtractively to what has already been chosen for
1670        decor and functionality */
1671     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1672         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1673             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1674                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1675             {
1676                 /* if the mwm hints request no handle or title, then all
1677                    decorations are disabled, but keep the border if that's
1678                    specified */
1679                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1680                     self->decorations = OB_FRAME_DECOR_BORDER;
1681                 else
1682                     self->decorations = 0;
1683             }
1684         }
1685     }
1686
1687     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1688         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1689             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1690                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1691             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1692                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1693             /* dont let mwm hints kill any buttons
1694                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1695                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1696                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1697                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1698             */
1699             /* dont let mwm hints kill the close button
1700                if (! (self->mwmhints.functions & MwmFunc_Close))
1701                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1702         }
1703     }
1704
1705     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1706         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1707     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1708         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1709     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1710         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1711
1712     /* can't maximize without moving/resizing */
1713     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1714           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1715           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1716         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1717         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1718     }
1719
1720     if (self->max_horz && self->max_vert) {
1721         /* you can't resize fully maximized windows */
1722         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1723         /* kill the handle on fully maxed windows */
1724         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1725     }
1726
1727     /* If there are no decorations to remove, don't allow the user to try
1728        toggle the state */
1729     if (self->decorations == 0)
1730         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1731
1732     /* finally, the user can have requested no decorations, which overrides
1733        everything (but doesnt give it a border if it doesnt have one) */
1734     if (self->undecorated)
1735         self->decorations = 0;
1736
1737     /* if we don't have a titlebar, then we cannot shade! */
1738     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1739         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1740
1741     /* now we need to check against rules for the client's current state */
1742     if (self->fullscreen) {
1743         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1744                             OB_CLIENT_FUNC_FULLSCREEN |
1745                             OB_CLIENT_FUNC_ICONIFY);
1746         self->decorations = 0;
1747     }
1748
1749     client_change_allowed_actions(self);
1750
1751     if (reconfig)
1752         /* force reconfigure to make sure decorations are updated */
1753         client_reconfigure(self, TRUE);
1754 }
1755
1756 static void client_change_allowed_actions(ObClient *self)
1757 {
1758     gulong actions[12];
1759     gint num = 0;
1760
1761     /* desktop windows are kept on all desktops */
1762     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1763         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1764
1765     if (self->functions & OB_CLIENT_FUNC_SHADE)
1766         actions[num++] = prop_atoms.net_wm_action_shade;
1767     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1768         actions[num++] = prop_atoms.net_wm_action_close;
1769     if (self->functions & OB_CLIENT_FUNC_MOVE)
1770         actions[num++] = prop_atoms.net_wm_action_move;
1771     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1772         actions[num++] = prop_atoms.net_wm_action_minimize;
1773     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1774         actions[num++] = prop_atoms.net_wm_action_resize;
1775     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1776         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1777     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1778         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1779         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1780     }
1781     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1782         actions[num++] = prop_atoms.net_wm_action_above;
1783     if (self->functions & OB_CLIENT_FUNC_BELOW)
1784         actions[num++] = prop_atoms.net_wm_action_below;
1785     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1786         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1787
1788     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1789
1790     /* make sure the window isn't breaking any rules now */
1791
1792     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1793         if (self->frame) client_shade(self, FALSE);
1794         else self->shaded = FALSE;
1795     }
1796     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1797         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1798         else self->iconic = FALSE;
1799     }
1800     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1801         if (self->frame) client_fullscreen(self, FALSE);
1802         else self->fullscreen = FALSE;
1803     }
1804     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1805                                                          self->max_vert)) {
1806         if (self->frame) client_maximize(self, FALSE, 0);
1807         else self->max_vert = self->max_horz = FALSE;
1808     }
1809 }
1810
1811 void client_reconfigure(ObClient *self, gboolean force)
1812 {
1813     gint x, y, w, h, lw, lh;
1814
1815     /* make sure the client's sizes are within its bounds, but only
1816        reconfigure the window if it needs to. emacs will update its
1817        normal hints every time it receives a conigurenotify */
1818         RECT_TO_DIMS(self->area, x, y, w, h);
1819     if (!force)
1820         client_try_configure(self, &x, &y, &w, &h, &lw, &lh, FALSE);
1821     if (force || !RECT_EQUAL_DIMS(self->area, x, y, w, h)) {
1822         gulong ignore_start;
1823
1824         ob_debug("Reconfiguring client x %d y %d w %d h %d\n",
1825                  x, y, w, h);
1826         ignore_start = event_start_ignore_all_enters();
1827         client_configure(self, x, y, w, h, FALSE, TRUE);
1828         event_end_ignore_all_enters(ignore_start);
1829     }
1830 }
1831
1832 void client_update_wmhints(ObClient *self)
1833 {
1834     XWMHints *hints;
1835
1836     /* assume a window takes input if it doesnt specify */
1837     self->can_focus = TRUE;
1838
1839     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1840         gboolean ur;
1841
1842         if (hints->flags & InputHint)
1843             self->can_focus = hints->input;
1844
1845         /* only do this when first managing the window *AND* when we aren't
1846            starting up! */
1847         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1848             if (hints->flags & StateHint)
1849                 self->iconic = hints->initial_state == IconicState;
1850
1851         ur = self->urgent;
1852         self->urgent = (hints->flags & XUrgencyHint);
1853         if (self->urgent && !ur)
1854             client_hilite(self, TRUE);
1855         else if (!self->urgent && ur && self->demands_attention)
1856             client_hilite(self, FALSE);
1857
1858         if (!(hints->flags & WindowGroupHint))
1859             hints->window_group = None;
1860
1861         /* did the group state change? */
1862         if (hints->window_group !=
1863             (self->group ? self->group->leader : None))
1864         {
1865             ObGroup *oldgroup = self->group;
1866
1867             /* remove from the old group if there was one */
1868             if (self->group != NULL) {
1869                 group_remove(self->group, self);
1870                 self->group = NULL;
1871             }
1872
1873             /* add ourself to the group if we have one */
1874             if (hints->window_group != None) {
1875                 self->group = group_add(hints->window_group, self);
1876             }
1877
1878             /* Put ourselves into the new group's transient tree, and remove
1879                ourselves from the old group's */
1880             client_update_transient_tree(self, oldgroup, self->group,
1881                                          self->transient_for_group,
1882                                          self->transient_for_group,
1883                                          client_direct_parent(self),
1884                                          client_direct_parent(self));
1885
1886             /* Lastly, being in a group, or not, can change if the window is
1887                transient for anything.
1888
1889                The logic for this is:
1890                self->transient = TRUE always if the window wants to be
1891                transient for something, even if transient_for was NULL because
1892                it wasn't in a group before.
1893
1894                If parents was NULL and oldgroup was NULL we can assume
1895                that when we add the new group, it will become transient for
1896                something.
1897
1898                If transient_for_group is TRUE, then it must have already
1899                had a group. If it is getting a new group, the above call to
1900                client_update_transient_tree has already taken care of
1901                everything ! If it is losing all group status then it will
1902                no longer be transient for anything and that needs to be
1903                updated.
1904             */
1905             if (self->transient &&
1906                 ((self->parents == NULL && oldgroup == NULL) ||
1907                  (self->transient_for_group && !self->group)))
1908                 client_update_transient_for(self);
1909         }
1910
1911         /* the WM_HINTS can contain an icon */
1912         if (hints->flags & IconPixmapHint)
1913             client_update_icons(self);
1914
1915         XFree(hints);
1916     }
1917 }
1918
1919 void client_update_title(ObClient *self)
1920 {
1921     gchar *data = NULL;
1922     gchar *visible = NULL;
1923
1924     g_free(self->title);
1925
1926     /* try netwm */
1927     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1928         /* try old x stuff */
1929         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1930               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1931             if (self->transient) {
1932                 /*
1933                   GNOME alert windows are not given titles:
1934                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1935                 */
1936                 data = g_strdup("");
1937             } else
1938                 data = g_strdup("Unnamed Window");
1939         }
1940     }
1941
1942     if (self->client_machine) {
1943         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1944         g_free(data);
1945     } else
1946         visible = data;
1947
1948     PROP_SETS(self->window, net_wm_visible_name, visible);
1949     self->title = visible;
1950
1951     if (self->frame)
1952         frame_adjust_title(self->frame);
1953
1954     /* update the icon title */
1955     data = NULL;
1956     g_free(self->icon_title);
1957
1958     /* try netwm */
1959     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1960         /* try old x stuff */
1961         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1962               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1963             data = g_strdup(self->title);
1964
1965     if (self->client_machine) {
1966         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1967         g_free(data);
1968     } else
1969         visible = data;
1970
1971     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1972     self->icon_title = visible;
1973 }
1974
1975 void client_update_strut(ObClient *self)
1976 {
1977     guint num;
1978     guint32 *data;
1979     gboolean got = FALSE;
1980     StrutPartial strut;
1981
1982     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1983                     &data, &num)) {
1984         if (num == 12) {
1985             got = TRUE;
1986             STRUT_PARTIAL_SET(strut,
1987                               data[0], data[2], data[1], data[3],
1988                               data[4], data[5], data[8], data[9],
1989                               data[6], data[7], data[10], data[11]);
1990         }
1991         g_free(data);
1992     }
1993
1994     if (!got &&
1995         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1996         if (num == 4) {
1997             Rect *a;
1998
1999             got = TRUE;
2000
2001             /* use the screen's width/height */
2002             a = screen_physical_area_all_monitors();
2003
2004             STRUT_PARTIAL_SET(strut,
2005                               data[0], data[2], data[1], data[3],
2006                               a->y, a->y + a->height - 1,
2007                               a->x, a->x + a->width - 1,
2008                               a->y, a->y + a->height - 1,
2009                               a->x, a->x + a->width - 1);
2010             g_free(a);
2011         }
2012         g_free(data);
2013     }
2014
2015     if (!got)
2016         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2017                           0, 0, 0, 0, 0, 0, 0, 0);
2018
2019     if (!STRUT_EQUAL(strut, self->strut)) {
2020         self->strut = strut;
2021
2022         /* updating here is pointless while we're being mapped cuz we're not in
2023            the client list yet */
2024         if (self->frame)
2025             screen_update_areas();
2026     }
2027 }
2028
2029 void client_update_icons(ObClient *self)
2030 {
2031     guint num;
2032     guint32 *data;
2033     guint w, h, i, j;
2034
2035     for (i = 0; i < self->nicons; ++i)
2036         g_free(self->icons[i].data);
2037     if (self->nicons > 0)
2038         g_free(self->icons);
2039     self->nicons = 0;
2040
2041     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2042         /* figure out how many valid icons are in here */
2043         i = 0;
2044         while (num - i > 2) {
2045             w = data[i++];
2046             h = data[i++];
2047             i += w * h;
2048             if (i > num || w*h == 0) break;
2049             ++self->nicons;
2050         }
2051
2052         self->icons = g_new(ObClientIcon, self->nicons);
2053
2054         /* store the icons */
2055         i = 0;
2056         for (j = 0; j < self->nicons; ++j) {
2057             guint x, y, t;
2058
2059             w = self->icons[j].width = data[i++];
2060             h = self->icons[j].height = data[i++];
2061
2062             if (w*h == 0) continue;
2063
2064             self->icons[j].data = g_new(RrPixel32, w * h);
2065             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2066                 if (x >= w) {
2067                     x = 0;
2068                     ++y;
2069                 }
2070                 self->icons[j].data[t] =
2071                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2072                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2073                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2074                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2075             }
2076             g_assert(i <= num);
2077         }
2078
2079         g_free(data);
2080     } else {
2081         XWMHints *hints;
2082
2083         if ((hints = XGetWMHints(ob_display, self->window))) {
2084             if (hints->flags & IconPixmapHint) {
2085                 self->nicons = 1;
2086                 self->icons = g_new(ObClientIcon, self->nicons);
2087                 xerror_set_ignore(TRUE);
2088                 if (!RrPixmapToRGBA(ob_rr_inst,
2089                                     hints->icon_pixmap,
2090                                     (hints->flags & IconMaskHint ?
2091                                      hints->icon_mask : None),
2092                                     &self->icons[0].width,
2093                                     &self->icons[0].height,
2094                                     &self->icons[0].data))
2095                 {
2096                     g_free(self->icons);
2097                     self->nicons = 0;
2098                 }
2099                 xerror_set_ignore(FALSE);
2100             }
2101             XFree(hints);
2102         }
2103     }
2104
2105     /* set the default icon onto the window
2106        in theory, this could be a race, but if a window doesn't set an icon
2107        or removes it entirely, it's not very likely it is going to set one
2108        right away afterwards */
2109     if (self->nicons == 0) {
2110         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2111         gulong *data;
2112
2113         data = g_new(gulong, 48*48+2);
2114         data[0] = data[1] =  48;
2115         for (i = 0; i < 48*48; ++i)
2116             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2117                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2118                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2119                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2120         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2121         g_free(data);
2122     } else if (self->frame)
2123         /* don't draw the icon empty if we're just setting one now anyways,
2124            we'll get the property change any second */
2125         frame_adjust_icon(self->frame);
2126 }
2127
2128 void client_update_user_time(ObClient *self)
2129 {
2130     guint32 time;
2131     gboolean got = FALSE;
2132
2133     if (self->user_time_window)
2134         got = PROP_GET32(self->user_time_window,
2135                          net_wm_user_time, cardinal, &time);
2136     if (!got)
2137         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2138
2139     if (got) {
2140         /* we set this every time, not just when it grows, because in practice
2141            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2142            backward we don't want all windows to stop focusing. we'll just
2143            assume noone is setting times older than the last one, cuz that
2144            would be pretty stupid anyways
2145         */
2146         self->user_time = time;
2147
2148         /*ob_debug("window %s user time %u\n", self->title, time);*/
2149     }
2150 }
2151
2152 void client_update_user_time_window(ObClient *self)
2153 {
2154     guint32 w;
2155
2156     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2157         w = None;
2158
2159     if (w != self->user_time_window) {
2160         /* remove the old window */
2161         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2162         self->user_time_window = None;
2163
2164         if (self->group && self->group->leader == w) {
2165             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2166                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2167             /* do it anyways..? */
2168         }
2169         else if (w == self->window) {
2170             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2171                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2172             w = None; /* don't do it */
2173         }
2174
2175         /* add the new window */
2176         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2177         self->user_time_window = w;
2178
2179         /* and update from it */
2180         client_update_user_time(self);
2181     }
2182 }
2183
2184 void client_update_icon_geometry(ObClient *self)
2185 {
2186     guint num;
2187     guint32 *data;
2188
2189     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2190
2191     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2192         && num == 4)
2193     {
2194         /* don't let them set it with an area < 0 */
2195         RECT_SET(self->icon_geometry, data[0], data[1],
2196                  MAX(data[2],0), MAX(data[3],0));
2197     }
2198 }
2199
2200 static void client_get_session_ids(ObClient *self)
2201 {
2202     guint32 leader;
2203     gboolean got;
2204     gchar *s;
2205     gchar **ss;
2206
2207     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2208         leader = None;
2209
2210     /* get the SM_CLIENT_ID */
2211     got = FALSE;
2212     if (leader)
2213         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2214     if (!got)
2215         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2216
2217     /* get the WM_CLASS (name and class). make them "" if they are not
2218        provided */
2219     got = FALSE;
2220     if (leader)
2221         got = PROP_GETSS(leader, wm_class, locale, &ss);
2222     if (!got)
2223         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2224
2225     if (got) {
2226         if (ss[0]) {
2227             self->name = g_strdup(ss[0]);
2228             if (ss[1])
2229                 self->class = g_strdup(ss[1]);
2230         }
2231         g_strfreev(ss);
2232     }
2233
2234     if (self->name == NULL) self->name = g_strdup("");
2235     if (self->class == NULL) self->class = g_strdup("");
2236
2237     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2238     got = FALSE;
2239     if (leader)
2240         got = PROP_GETS(leader, wm_window_role, locale, &s);
2241     if (!got)
2242         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2243
2244     if (got)
2245         self->role = s;
2246     else
2247         self->role = g_strdup("");
2248
2249     /* get the WM_COMMAND */
2250     got = FALSE;
2251
2252     if (leader)
2253         got = PROP_GETSS(leader, wm_command, locale, &ss);
2254     if (!got)
2255         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2256
2257     if (got) {
2258         /* merge/mash them all together */
2259         gchar *merge = NULL;
2260         gint i;
2261
2262         for (i = 0; ss[i]; ++i) {
2263             gchar *tmp = merge;
2264             if (merge)
2265                 merge = g_strconcat(merge, ss[i], NULL);
2266             else
2267                 merge = g_strconcat(ss[i], NULL);
2268             g_free(tmp);
2269         }
2270         g_strfreev(ss);
2271
2272         self->wm_command = merge;
2273     }
2274
2275     /* get the WM_CLIENT_MACHINE */
2276     got = FALSE;
2277     if (leader)
2278         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2279     if (!got)
2280         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2281
2282     if (got) {
2283         gchar localhost[128];
2284
2285         gethostname(localhost, 127);
2286         localhost[127] = '\0';
2287         if (strcmp(localhost, s) != 0)
2288             self->client_machine = s;
2289         else
2290             g_free(s);
2291     }
2292 }
2293
2294 static void client_change_wm_state(ObClient *self)
2295 {
2296     gulong state[2];
2297     glong old;
2298
2299     old = self->wmstate;
2300
2301     if (self->shaded || self->iconic ||
2302         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2303     {
2304         self->wmstate = IconicState;
2305     } else
2306         self->wmstate = NormalState;
2307
2308     if (old != self->wmstate) {
2309         PROP_MSG(self->window, kde_wm_change_state,
2310                  self->wmstate, 1, 0, 0);
2311
2312         state[0] = self->wmstate;
2313         state[1] = None;
2314         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2315     }
2316 }
2317
2318 static void client_change_state(ObClient *self)
2319 {
2320     gulong netstate[12];
2321     guint num;
2322
2323     num = 0;
2324     if (self->modal)
2325         netstate[num++] = prop_atoms.net_wm_state_modal;
2326     if (self->shaded)
2327         netstate[num++] = prop_atoms.net_wm_state_shaded;
2328     if (self->iconic)
2329         netstate[num++] = prop_atoms.net_wm_state_hidden;
2330     if (self->skip_taskbar)
2331         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2332     if (self->skip_pager)
2333         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2334     if (self->fullscreen)
2335         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2336     if (self->max_vert)
2337         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2338     if (self->max_horz)
2339         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2340     if (self->above)
2341         netstate[num++] = prop_atoms.net_wm_state_above;
2342     if (self->below)
2343         netstate[num++] = prop_atoms.net_wm_state_below;
2344     if (self->demands_attention)
2345         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2346     if (self->undecorated)
2347         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2348     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2349
2350     if (self->frame)
2351         frame_adjust_state(self->frame);
2352 }
2353
2354 ObClient *client_search_focus_tree(ObClient *self)
2355 {
2356     GSList *it;
2357     ObClient *ret;
2358
2359     for (it = self->transients; it; it = g_slist_next(it)) {
2360         if (client_focused(it->data)) return it->data;
2361         if ((ret = client_search_focus_tree(it->data))) return ret;
2362     }
2363     return NULL;
2364 }
2365
2366 ObClient *client_search_focus_tree_full(ObClient *self)
2367 {
2368     if (self->parents) {
2369         GSList *it;
2370
2371         for (it = self->parents; it; it = g_slist_next(it)) {
2372             ObClient *c = it->data;
2373             if ((c = client_search_focus_tree_full(it->data))) return c;
2374         }
2375
2376         return NULL;
2377     }
2378     else {
2379         /* this function checks the whole tree, the client_search_focus_tree
2380            does not, so we need to check this window */
2381         if (client_focused(self))
2382             return self;
2383         return client_search_focus_tree(self);
2384     }
2385 }
2386
2387 ObClient *client_search_focus_group_full(ObClient *self)
2388 {
2389     GSList *it;
2390
2391     if (self->group) {
2392         for (it = self->group->members; it; it = g_slist_next(it)) {
2393             ObClient *c = it->data;
2394
2395             if (client_focused(c)) return c;
2396             if ((c = client_search_focus_tree(it->data))) return c;
2397         }
2398     } else
2399         if (client_focused(self)) return self;
2400     return NULL;
2401 }
2402
2403 gboolean client_has_parent(ObClient *self)
2404 {
2405     return self->parents != NULL;
2406 }
2407
2408 static ObStackingLayer calc_layer(ObClient *self)
2409 {
2410     ObStackingLayer l;
2411     Rect *monitor;
2412
2413     monitor = screen_physical_area_monitor(client_monitor(self));
2414
2415     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2416         l = OB_STACKING_LAYER_DESKTOP;
2417     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2418         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2419         else l = OB_STACKING_LAYER_ABOVE;
2420     }
2421     else if ((self->fullscreen ||
2422               /* No decorations and fills the monitor = oldskool fullscreen.
2423                  But not for maximized windows.
2424               */
2425               (self->decorations == 0 &&
2426                !(self->max_horz && self->max_vert) &&
2427                RECT_EQUAL(self->area, *monitor))) &&
2428              (client_focused(self) || client_search_focus_tree(self)))
2429         l = OB_STACKING_LAYER_FULLSCREEN;
2430     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2431     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2432     else l = OB_STACKING_LAYER_NORMAL;
2433
2434     g_free(monitor);
2435
2436     return l;
2437 }
2438
2439 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2440                                         ObStackingLayer min)
2441 {
2442     ObStackingLayer old, own;
2443     GSList *it;
2444
2445     old = self->layer;
2446     own = calc_layer(self);
2447     self->layer = MAX(own, min);
2448
2449     if (self->layer != old) {
2450         stacking_remove(CLIENT_AS_WINDOW(self));
2451         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2452     }
2453
2454     for (it = self->transients; it; it = g_slist_next(it))
2455         client_calc_layer_recursive(it->data, orig,
2456                                     self->layer);
2457 }
2458
2459 void client_calc_layer(ObClient *self)
2460 {
2461     ObClient *orig;
2462     GSList *it;
2463
2464     orig = self;
2465
2466     /* transients take on the layer of their parents */
2467     it = client_search_all_top_parents(self);
2468
2469     for (; it; it = g_slist_next(it))
2470         client_calc_layer_recursive(it->data, orig, 0);
2471 }
2472
2473 gboolean client_should_show(ObClient *self)
2474 {
2475     if (self->iconic)
2476         return FALSE;
2477     if (client_normal(self) && screen_showing_desktop)
2478         return FALSE;
2479     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2480         return TRUE;
2481
2482     return FALSE;
2483 }
2484
2485 gboolean client_show(ObClient *self)
2486 {
2487     gboolean show = FALSE;
2488
2489     if (client_should_show(self)) {
2490         frame_show(self->frame);
2491         show = TRUE;
2492
2493         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2494            it needs to be in IconicState. This includes when it is on another
2495            desktop!
2496         */
2497         client_change_wm_state(self);
2498     }
2499     return show;
2500 }
2501
2502 gboolean client_hide(ObClient *self)
2503 {
2504     gboolean hide = FALSE;
2505
2506     if (!client_should_show(self)) {
2507         if (self == focus_client) {
2508             /* if there is a grab going on, then we need to cancel it. if we
2509                move focus during the grab, applications will get
2510                NotifyWhileGrabbed events and ignore them !
2511
2512                actions should not rely on being able to move focus during an
2513                interactive grab.
2514             */
2515             event_cancel_all_key_grabs();
2516         }
2517
2518         /* We don't need to ignore enter events here.
2519            The window can hide/iconify in 3 different ways:
2520            1 - through an x message. in this case we ignore all enter events
2521                caused by responding to the x message (unless underMouse)
2522            2 - by a keyboard action. in this case we ignore all enter events
2523                caused by the action
2524            3 - by a mouse action. in this case they are doing stuff with the
2525                mouse and focus _should_ move.
2526
2527            Also in action_end, we simulate an enter event that can't be ignored
2528            so trying to ignore them is futile in case 3 anyways
2529         */
2530
2531         frame_hide(self->frame);
2532         hide = TRUE;
2533
2534         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2535            it needs to be in IconicState. This includes when it is on another
2536            desktop!
2537         */
2538         client_change_wm_state(self);
2539     }
2540     return hide;
2541 }
2542
2543 void client_showhide(ObClient *self)
2544 {
2545     if (!client_show(self))
2546         client_hide(self);
2547 }
2548
2549 gboolean client_normal(ObClient *self) {
2550     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2551               self->type == OB_CLIENT_TYPE_DOCK ||
2552               self->type == OB_CLIENT_TYPE_SPLASH);
2553 }
2554
2555 gboolean client_helper(ObClient *self)
2556 {
2557     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2558             self->type == OB_CLIENT_TYPE_MENU ||
2559             self->type == OB_CLIENT_TYPE_TOOLBAR);
2560 }
2561
2562 gboolean client_mouse_focusable(ObClient *self)
2563 {
2564     return !(self->type == OB_CLIENT_TYPE_MENU ||
2565              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2566              self->type == OB_CLIENT_TYPE_SPLASH ||
2567              self->type == OB_CLIENT_TYPE_DOCK);
2568 }
2569
2570 gboolean client_enter_focusable(ObClient *self)
2571 {
2572     /* you can focus desktops but it shouldn't on enter */
2573     return (client_mouse_focusable(self) &&
2574             self->type != OB_CLIENT_TYPE_DESKTOP);
2575 }
2576
2577
2578 static void client_apply_startup_state(ObClient *self,
2579                                        gint x, gint y, gint w, gint h)
2580 {
2581     /* save the states that we are going to apply */
2582     gboolean iconic = self->iconic;
2583     gboolean fullscreen = self->fullscreen;
2584     gboolean undecorated = self->undecorated;
2585     gboolean shaded = self->shaded;
2586     gboolean demands_attention = self->demands_attention;
2587     gboolean max_horz = self->max_horz;
2588     gboolean max_vert = self->max_vert;
2589     Rect oldarea;
2590     gint l;
2591
2592     /* turn them all off in the client, so they won't affect the window
2593        being placed */
2594     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2595         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2596
2597     /* move the client to its placed position, or it it's already there,
2598        generate a ConfigureNotify telling the client where it is.
2599
2600        do this after adjusting the frame. otherwise it gets all weird and
2601        clients don't work right
2602
2603        do this before applying the states so they have the correct
2604        pre-max/pre-fullscreen values
2605     */
2606     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2607     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2608              self->window, x, y, w, h);
2609     /* save the area, and make it where it should be for the premax stuff */
2610     oldarea = self->area;
2611     RECT_SET(self->area, x, y, w, h);
2612
2613     /* apply the states. these are in a carefully crafted order.. */
2614
2615     if (iconic)
2616         client_iconify(self, TRUE, FALSE, TRUE);
2617     if (fullscreen)
2618         client_fullscreen(self, TRUE);
2619     if (undecorated)
2620         client_set_undecorated(self, TRUE);
2621     if (shaded)
2622         client_shade(self, TRUE);
2623     if (demands_attention)
2624         client_hilite(self, TRUE);
2625
2626     if (max_vert && max_horz)
2627         client_maximize(self, TRUE, 0);
2628     else if (max_vert)
2629         client_maximize(self, TRUE, 2);
2630     else if (max_horz)
2631         client_maximize(self, TRUE, 1);
2632
2633     /* if the window hasn't been configured yet, then do so now */
2634     if (!fullscreen && !max_vert && !max_horz) {
2635         self->area = oldarea;
2636         client_configure(self, x, y, w, h, FALSE, TRUE);
2637     }
2638
2639     /* set the desktop hint, to make sure that it always exists */
2640     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2641
2642     /* nothing to do for the other states:
2643        skip_taskbar
2644        skip_pager
2645        modal
2646        above
2647        below
2648     */
2649 }
2650
2651 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2652 {
2653     /* these should be the current values. this is for when you're not moving,
2654        just resizing */
2655     g_assert(*x == self->area.x);
2656     g_assert(oldw == self->area.width);
2657
2658     /* horizontal */
2659     switch (self->gravity) {
2660     default:
2661     case NorthWestGravity:
2662     case WestGravity:
2663     case SouthWestGravity:
2664     case StaticGravity:
2665     case ForgetGravity:
2666         break;
2667     case NorthGravity:
2668     case CenterGravity:
2669     case SouthGravity:
2670         *x -= (neww - oldw) / 2;
2671         break;
2672     case NorthEastGravity:
2673     case EastGravity:
2674     case SouthEastGravity:
2675         *x -= neww - oldw;
2676         break;
2677     }
2678 }
2679
2680 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2681 {
2682     /* these should be the current values. this is for when you're not moving,
2683        just resizing */
2684     g_assert(*y == self->area.y);
2685     g_assert(oldh == self->area.height);
2686
2687     /* vertical */
2688     switch (self->gravity) {
2689     default:
2690     case NorthWestGravity:
2691     case NorthGravity:
2692     case NorthEastGravity:
2693     case StaticGravity:
2694     case ForgetGravity:
2695         break;
2696     case WestGravity:
2697     case CenterGravity:
2698     case EastGravity:
2699         *y -= (newh - oldh) / 2;
2700         break;
2701     case SouthWestGravity:
2702     case SouthGravity:
2703     case SouthEastGravity:
2704         *y -= newh - oldh;
2705         break;
2706     }
2707 }
2708
2709 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2710                           gint *logicalw, gint *logicalh,
2711                           gboolean user)
2712 {
2713     Rect desired = {*x, *y, *w, *h};
2714     frame_rect_to_frame(self->frame, &desired);
2715
2716     /* make the frame recalculate its dimentions n shit without changing
2717        anything visible for real, this way the constraints below can work with
2718        the updated frame dimensions. */
2719     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2720
2721     /* gets the frame's position */
2722     frame_client_gravity(self->frame, x, y, *w, *h);
2723
2724     /* these positions are frame positions, not client positions */
2725
2726     /* set the size and position if fullscreen */
2727     if (self->fullscreen) {
2728         Rect *a;
2729         guint i;
2730
2731         i = screen_find_monitor(&desired);
2732         a = screen_physical_area_monitor(i);
2733
2734         *x = a->x;
2735         *y = a->y;
2736         *w = a->width;
2737         *h = a->height;
2738
2739         user = FALSE; /* ignore if the client can't be moved/resized when it
2740                          is fullscreening */
2741
2742         g_free(a);
2743     } else if (self->max_horz || self->max_vert) {
2744         Rect *a;
2745         guint i;
2746
2747         /* use all possible struts when maximizing to the full screen */
2748         i = screen_find_monitor(&desired);
2749         a = screen_area(self->desktop, i,
2750                         (self->max_horz && self->max_vert ? NULL : &desired));
2751
2752         /* set the size and position if maximized */
2753         if (self->max_horz) {
2754             *x = a->x;
2755             *w = a->width - self->frame->size.left - self->frame->size.right;
2756         }
2757         if (self->max_vert) {
2758             *y = a->y;
2759             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2760         }
2761
2762         user = FALSE; /* ignore if the client can't be moved/resized when it
2763                          is maximizing */
2764
2765         g_free(a);
2766     }
2767
2768     /* gets the client's position */
2769     frame_frame_gravity(self->frame, x, y, *w, *h);
2770
2771     /* work within the prefered sizes given by the window */
2772     if (!(*w == self->area.width && *h == self->area.height)) {
2773         gint basew, baseh, minw, minh;
2774         gint incw, inch;
2775         gfloat minratio, maxratio;
2776
2777         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2778         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2779         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2780             0 : self->min_ratio;
2781         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2782             0 : self->max_ratio;
2783
2784         /* base size is substituted with min size if not specified */
2785         if (self->base_size.width || self->base_size.height) {
2786             basew = self->base_size.width;
2787             baseh = self->base_size.height;
2788         } else {
2789             basew = self->min_size.width;
2790             baseh = self->min_size.height;
2791         }
2792         /* min size is substituted with base size if not specified */
2793         if (self->min_size.width || self->min_size.height) {
2794             minw = self->min_size.width;
2795             minh = self->min_size.height;
2796         } else {
2797             minw = self->base_size.width;
2798             minh = self->base_size.height;
2799         }
2800
2801         /* if this is a user-requested resize, then check against min/max
2802            sizes */
2803
2804         /* smaller than min size or bigger than max size? */
2805         if (*w > self->max_size.width) *w = self->max_size.width;
2806         if (*w < minw) *w = minw;
2807         if (*h > self->max_size.height) *h = self->max_size.height;
2808         if (*h < minh) *h = minh;
2809
2810         *w -= basew;
2811         *h -= baseh;
2812
2813         /* keep to the increments */
2814         *w /= incw;
2815         *h /= inch;
2816
2817         /* you cannot resize to nothing */
2818         if (basew + *w < 1) *w = 1 - basew;
2819         if (baseh + *h < 1) *h = 1 - baseh;
2820
2821         /* save the logical size */
2822         *logicalw = incw > 1 ? *w : *w + basew;
2823         *logicalh = inch > 1 ? *h : *h + baseh;
2824
2825         *w *= incw;
2826         *h *= inch;
2827
2828         *w += basew;
2829         *h += baseh;
2830
2831         /* adjust the height to match the width for the aspect ratios.
2832            for this, min size is not substituted for base size ever. */
2833         *w -= self->base_size.width;
2834         *h -= self->base_size.height;
2835
2836         if (minratio)
2837             if (*h * minratio > *w) {
2838                 *h = (gint)(*w / minratio);
2839
2840                 /* you cannot resize to nothing */
2841                 if (*h < 1) {
2842                     *h = 1;
2843                     *w = (gint)(*h * minratio);
2844                 }
2845             }
2846         if (maxratio)
2847             if (*h * maxratio < *w) {
2848                 *h = (gint)(*w / maxratio);
2849
2850                 /* you cannot resize to nothing */
2851                 if (*h < 1) {
2852                     *h = 1;
2853                     *w = (gint)(*h * minratio);
2854                 }
2855             }
2856
2857         *w += self->base_size.width;
2858         *h += self->base_size.height;
2859     }
2860
2861     /* these override the above states! if you cant move you can't move! */
2862     if (user) {
2863         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2864             *x = self->area.x;
2865             *y = self->area.y;
2866         }
2867         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2868             *w = self->area.width;
2869             *h = self->area.height;
2870         }
2871     }
2872
2873     g_assert(*w > 0);
2874     g_assert(*h > 0);
2875 }
2876
2877
2878 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2879                       gboolean user, gboolean final)
2880 {
2881     gint oldw, oldh;
2882     gboolean send_resize_client;
2883     gboolean moved = FALSE, resized = FALSE;
2884     gboolean fmoved, fresized;
2885     guint fdecor = self->frame->decorations;
2886     gboolean fhorz = self->frame->max_horz;
2887     gboolean fvert = self->frame->max_vert;
2888     gint logicalw, logicalh;
2889
2890     /* find the new x, y, width, and height (and logical size) */
2891     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2892
2893     /* set the logical size if things changed */
2894     if (!(w == self->area.width && h == self->area.height))
2895         SIZE_SET(self->logical_size, logicalw, logicalh);
2896
2897     /* figure out if we moved or resized or what */
2898     moved = (x != self->area.x || y != self->area.y);
2899     resized = (w != self->area.width || h != self->area.height);
2900
2901     oldw = self->area.width;
2902     oldh = self->area.height;
2903     RECT_SET(self->area, x, y, w, h);
2904
2905     /* for app-requested resizes, always resize if 'resized' is true.
2906        for user-requested ones, only resize if final is true, or when
2907        resizing in redraw mode */
2908     send_resize_client = ((!user && resized) ||
2909                           (user && (final ||
2910                                     (resized && config_resize_redraw))));
2911
2912     /* if the client is enlarging, then resize the client before the frame */
2913     if (send_resize_client && (w > oldw || h > oldh)) {
2914         XMoveResizeWindow(ob_display, self->window,
2915                           self->frame->size.left, self->frame->size.top,
2916                           MAX(w, oldw), MAX(h, oldh));
2917         frame_adjust_client_area(self->frame);
2918     }
2919
2920     /* find the frame's dimensions and move/resize it */
2921     fmoved = moved;
2922     fresized = resized;
2923
2924     /* if decorations changed, then readjust everything for the frame */
2925     if (self->decorations != fdecor ||
2926         self->max_horz != fhorz || self->max_vert != fvert)
2927     {
2928         fmoved = fresized = TRUE;
2929     }
2930
2931     /* adjust the frame */
2932     if (fmoved || fresized)
2933         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2934
2935     /* This is kinda tricky and should not be changed.. let me explain!
2936
2937        When user = FALSE, then the request is coming from the application
2938        itself, and we are more strict about when to send a synthetic
2939        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
2940        in this case.
2941
2942        When user = TRUE, then the request is coming from "us", like when we
2943        maximize a window or sometihng.  In this case we are more lenient.  We
2944        used to follow the same rules as above, but _Java_ Swing can't handle
2945        this. So just to appease Swing, when user = TRUE, we always send
2946        a synthetic ConfigureNotify to give the window its root coordinates.
2947     */
2948     if ((!user && !resized) || (user && final))
2949     {
2950         XEvent event;
2951
2952         /* we have reset the client to 0 border width, so don't include
2953            it in these coords */
2954         POINT_SET(self->root_pos,
2955                   self->frame->area.x + self->frame->size.left -
2956                   self->border_width,
2957                   self->frame->area.y + self->frame->size.top -
2958                   self->border_width);
2959
2960         event.type = ConfigureNotify;
2961         event.xconfigure.display = ob_display;
2962         event.xconfigure.event = self->window;
2963         event.xconfigure.window = self->window;
2964
2965         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2966                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2967
2968         /* root window real coords */
2969         event.xconfigure.x = self->root_pos.x;
2970         event.xconfigure.y = self->root_pos.y;
2971         event.xconfigure.width = w;
2972         event.xconfigure.height = h;
2973         event.xconfigure.border_width = self->border_width;
2974         event.xconfigure.above = None;
2975         event.xconfigure.override_redirect = FALSE;
2976         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2977                    FALSE, StructureNotifyMask, &event);
2978     }
2979
2980     /* if the client is shrinking, then resize the frame before the client.
2981
2982        both of these resize sections may run, because the top one only resizes
2983        in the direction that is growing
2984      */
2985     if (send_resize_client && (w <= oldw || h <= oldh)) {
2986         frame_adjust_client_area(self->frame);
2987         XMoveResizeWindow(ob_display, self->window,
2988                           self->frame->size.left, self->frame->size.top, w, h);
2989     }
2990
2991     XFlush(ob_display);
2992 }
2993
2994 void client_fullscreen(ObClient *self, gboolean fs)
2995 {
2996     gint x, y, w, h;
2997
2998     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2999         self->fullscreen == fs) return;                   /* already done */
3000
3001     self->fullscreen = fs;
3002     client_change_state(self); /* change the state hints on the client */
3003
3004     if (fs) {
3005         self->pre_fullscreen_area = self->area;
3006         /* if the window is maximized, its area isn't all that meaningful.
3007            save it's premax area instead. */
3008         if (self->max_horz) {
3009             self->pre_fullscreen_area.x = self->pre_max_area.x;
3010             self->pre_fullscreen_area.width = self->pre_max_area.width;
3011         }
3012         if (self->max_vert) {
3013             self->pre_fullscreen_area.y = self->pre_max_area.y;
3014             self->pre_fullscreen_area.height = self->pre_max_area.height;
3015         }
3016
3017         /* these will help configure_full figure out where to fullscreen
3018            the window */
3019         x = self->area.x;
3020         y = self->area.y;
3021         w = self->area.width;
3022         h = self->area.height;
3023     } else {
3024         g_assert(self->pre_fullscreen_area.width > 0 &&
3025                  self->pre_fullscreen_area.height > 0);
3026
3027         x = self->pre_fullscreen_area.x;
3028         y = self->pre_fullscreen_area.y;
3029         w = self->pre_fullscreen_area.width;
3030         h = self->pre_fullscreen_area.height;
3031         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3032     }
3033
3034     client_setup_decor_and_functions(self, FALSE);
3035     client_move_resize(self, x, y, w, h);
3036
3037     /* and adjust our layer/stacking. do this after resizing the window,
3038        and applying decorations, because windows which fill the screen are
3039        considered "fullscreen" and it affects their layer */
3040     client_calc_layer(self);
3041
3042     if (fs) {
3043         /* try focus us when we go into fullscreen mode */
3044         client_focus(self);
3045     }
3046 }
3047
3048 static void client_iconify_recursive(ObClient *self,
3049                                      gboolean iconic, gboolean curdesk,
3050                                      gboolean hide_animation)
3051 {
3052     GSList *it;
3053     gboolean changed = FALSE;
3054
3055
3056     if (self->iconic != iconic) {
3057         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3058                  self->window);
3059
3060         if (iconic) {
3061             /* don't let non-normal windows iconify along with their parents
3062                or whatever */
3063             if (client_normal(self)) {
3064                 self->iconic = iconic;
3065
3066                 /* update the focus lists.. iconic windows go to the bottom of
3067                    the list */
3068                 focus_order_to_bottom(self);
3069
3070                 changed = TRUE;
3071             }
3072         } else {
3073             self->iconic = iconic;
3074
3075             if (curdesk && self->desktop != screen_desktop &&
3076                 self->desktop != DESKTOP_ALL)
3077                 client_set_desktop(self, screen_desktop, FALSE);
3078
3079             /* this puts it after the current focused window */
3080             focus_order_remove(self);
3081             focus_order_add_new(self);
3082
3083             changed = TRUE;
3084         }
3085     }
3086
3087     if (changed) {
3088         client_change_state(self);
3089         if (config_animate_iconify && !hide_animation)
3090             frame_begin_iconify_animation(self->frame, iconic);
3091         /* do this after starting the animation so it doesn't flash */
3092         client_showhide(self);
3093     }
3094
3095     /* iconify all direct transients, and deiconify all transients
3096        (non-direct too) */
3097     for (it = self->transients; it; it = g_slist_next(it))
3098         if (it->data != self)
3099             if (client_is_direct_child(self, it->data) || !iconic)
3100                 client_iconify_recursive(it->data, iconic, curdesk,
3101                                          hide_animation);
3102 }
3103
3104 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3105                     gboolean hide_animation)
3106 {
3107     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3108         /* move up the transient chain as far as possible first */
3109         self = client_search_top_direct_parent(self);
3110         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3111     }
3112 }
3113
3114 void client_maximize(ObClient *self, gboolean max, gint dir)
3115 {
3116     gint x, y, w, h;
3117
3118     g_assert(dir == 0 || dir == 1 || dir == 2);
3119     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3120
3121     /* check if already done */
3122     if (max) {
3123         if (dir == 0 && self->max_horz && self->max_vert) return;
3124         if (dir == 1 && self->max_horz) return;
3125         if (dir == 2 && self->max_vert) return;
3126     } else {
3127         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3128         if (dir == 1 && !self->max_horz) return;
3129         if (dir == 2 && !self->max_vert) return;
3130     }
3131
3132     /* these will help configure_full figure out which screen to fill with
3133        the window */
3134     x = self->area.x;
3135     y = self->area.y;
3136     w = self->area.width;
3137     h = self->area.height;
3138
3139     if (max) {
3140         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3141             RECT_SET(self->pre_max_area,
3142                      self->area.x, self->pre_max_area.y,
3143                      self->area.width, self->pre_max_area.height);
3144         }
3145         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3146             RECT_SET(self->pre_max_area,
3147                      self->pre_max_area.x, self->area.y,
3148                      self->pre_max_area.width, self->area.height);
3149         }
3150     } else {
3151         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3152             g_assert(self->pre_max_area.width > 0);
3153
3154             x = self->pre_max_area.x;
3155             w = self->pre_max_area.width;
3156
3157             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3158                      0, self->pre_max_area.height);
3159         }
3160         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3161             g_assert(self->pre_max_area.height > 0);
3162
3163             y = self->pre_max_area.y;
3164             h = self->pre_max_area.height;
3165
3166             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3167                      self->pre_max_area.width, 0);
3168         }
3169     }
3170
3171     if (dir == 0 || dir == 1) /* horz */
3172         self->max_horz = max;
3173     if (dir == 0 || dir == 2) /* vert */
3174         self->max_vert = max;
3175
3176     client_change_state(self); /* change the state hints on the client */
3177
3178     client_setup_decor_and_functions(self, FALSE);
3179     client_move_resize(self, x, y, w, h);
3180 }
3181
3182 void client_shade(ObClient *self, gboolean shade)
3183 {
3184     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3185          shade) ||                         /* can't shade */
3186         self->shaded == shade) return;     /* already done */
3187
3188     self->shaded = shade;
3189     client_change_state(self);
3190     client_change_wm_state(self); /* the window is being hidden/shown */
3191     /* resize the frame to just the titlebar */
3192     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3193 }
3194
3195 void client_close(ObClient *self)
3196 {
3197     XEvent ce;
3198
3199     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3200
3201     /* in the case that the client provides no means to requesting that it
3202        close, we just kill it */
3203     if (!self->delete_window)
3204         client_kill(self);
3205
3206     /*
3207       XXX: itd be cool to do timeouts and shit here for killing the client's
3208       process off
3209       like... if the window is around after 5 seconds, then the close button
3210       turns a nice red, and if this function is called again, the client is
3211       explicitly killed.
3212     */
3213
3214     ce.xclient.type = ClientMessage;
3215     ce.xclient.message_type =  prop_atoms.wm_protocols;
3216     ce.xclient.display = ob_display;
3217     ce.xclient.window = self->window;
3218     ce.xclient.format = 32;
3219     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3220     ce.xclient.data.l[1] = event_curtime;
3221     ce.xclient.data.l[2] = 0l;
3222     ce.xclient.data.l[3] = 0l;
3223     ce.xclient.data.l[4] = 0l;
3224     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3225 }
3226
3227 void client_kill(ObClient *self)
3228 {
3229     XKillClient(ob_display, self->window);
3230 }
3231
3232 void client_hilite(ObClient *self, gboolean hilite)
3233 {
3234     if (self->demands_attention == hilite)
3235         return; /* no change */
3236
3237     /* don't allow focused windows to hilite */
3238     self->demands_attention = hilite && !client_focused(self);
3239     if (self->frame != NULL) { /* if we're mapping, just set the state */
3240         if (self->demands_attention)
3241             frame_flash_start(self->frame);
3242         else
3243             frame_flash_stop(self->frame);
3244         client_change_state(self);
3245     }
3246 }
3247
3248 void client_set_desktop_recursive(ObClient *self,
3249                                   guint target,
3250                                   gboolean donthide)
3251 {
3252     guint old;
3253     GSList *it;
3254
3255     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3256
3257         ob_debug("Setting desktop %u\n", target+1);
3258
3259         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3260
3261         old = self->desktop;
3262         self->desktop = target;
3263         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3264         /* the frame can display the current desktop state */
3265         frame_adjust_state(self->frame);
3266         /* 'move' the window to the new desktop */
3267         if (!donthide)
3268             client_showhide(self);
3269         /* raise if it was not already on the desktop */
3270         if (old != DESKTOP_ALL)
3271             stacking_raise(CLIENT_AS_WINDOW(self));
3272         if (STRUT_EXISTS(self->strut))
3273             screen_update_areas();
3274         else
3275             /* the new desktop's geometry may be different, so we may need to
3276                resize, for example if we are maximized */
3277             client_reconfigure(self, FALSE);
3278     }
3279
3280     /* move all transients */
3281     for (it = self->transients; it; it = g_slist_next(it))
3282         if (it->data != self)
3283             if (client_is_direct_child(self, it->data))
3284                 client_set_desktop_recursive(it->data, target, donthide);
3285 }
3286
3287 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
3288 {
3289     self = client_search_top_direct_parent(self);
3290     client_set_desktop_recursive(self, target, donthide);
3291 }
3292
3293 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3294 {
3295     while (child != parent && (child = client_direct_parent(child)));
3296     return child == parent;
3297 }
3298
3299 ObClient *client_search_modal_child(ObClient *self)
3300 {
3301     GSList *it;
3302     ObClient *ret;
3303
3304     for (it = self->transients; it; it = g_slist_next(it)) {
3305         ObClient *c = it->data;
3306         if ((ret = client_search_modal_child(c))) return ret;
3307         if (c->modal) return c;
3308     }
3309     return NULL;
3310 }
3311
3312 gboolean client_validate(ObClient *self)
3313 {
3314     XEvent e;
3315
3316     XSync(ob_display, FALSE); /* get all events on the server */
3317
3318     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3319         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3320         XPutBackEvent(ob_display, &e);
3321         return FALSE;
3322     }
3323
3324     return TRUE;
3325 }
3326
3327 void client_set_wm_state(ObClient *self, glong state)
3328 {
3329     if (state == self->wmstate) return; /* no change */
3330
3331     switch (state) {
3332     case IconicState:
3333         client_iconify(self, TRUE, TRUE, FALSE);
3334         break;
3335     case NormalState:
3336         client_iconify(self, FALSE, TRUE, FALSE);
3337         break;
3338     }
3339 }
3340
3341 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3342 {
3343     gboolean shaded = self->shaded;
3344     gboolean fullscreen = self->fullscreen;
3345     gboolean undecorated = self->undecorated;
3346     gboolean max_horz = self->max_horz;
3347     gboolean max_vert = self->max_vert;
3348     gboolean modal = self->modal;
3349     gboolean iconic = self->iconic;
3350     gboolean demands_attention = self->demands_attention;
3351     gboolean above = self->above;
3352     gboolean below = self->below;
3353     gint i;
3354
3355     if (!(action == prop_atoms.net_wm_state_add ||
3356           action == prop_atoms.net_wm_state_remove ||
3357           action == prop_atoms.net_wm_state_toggle))
3358         /* an invalid action was passed to the client message, ignore it */
3359         return;
3360
3361     for (i = 0; i < 2; ++i) {
3362         Atom state = i == 0 ? data1 : data2;
3363
3364         if (!state) continue;
3365
3366         /* if toggling, then pick whether we're adding or removing */
3367         if (action == prop_atoms.net_wm_state_toggle) {
3368             if (state == prop_atoms.net_wm_state_modal)
3369                 action = modal ? prop_atoms.net_wm_state_remove :
3370                     prop_atoms.net_wm_state_add;
3371             else if (state == prop_atoms.net_wm_state_maximized_vert)
3372                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3373                     prop_atoms.net_wm_state_add;
3374             else if (state == prop_atoms.net_wm_state_maximized_horz)
3375                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3376                     prop_atoms.net_wm_state_add;
3377             else if (state == prop_atoms.net_wm_state_shaded)
3378                 action = shaded ? prop_atoms.net_wm_state_remove :
3379                     prop_atoms.net_wm_state_add;
3380             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3381                 action = self->skip_taskbar ?
3382                     prop_atoms.net_wm_state_remove :
3383                     prop_atoms.net_wm_state_add;
3384             else if (state == prop_atoms.net_wm_state_skip_pager)
3385                 action = self->skip_pager ?
3386                     prop_atoms.net_wm_state_remove :
3387                     prop_atoms.net_wm_state_add;
3388             else if (state == prop_atoms.net_wm_state_hidden)
3389                 action = self->iconic ?
3390                     prop_atoms.net_wm_state_remove :
3391                     prop_atoms.net_wm_state_add;
3392             else if (state == prop_atoms.net_wm_state_fullscreen)
3393                 action = fullscreen ?
3394                     prop_atoms.net_wm_state_remove :
3395                     prop_atoms.net_wm_state_add;
3396             else if (state == prop_atoms.net_wm_state_above)
3397                 action = self->above ? prop_atoms.net_wm_state_remove :
3398                     prop_atoms.net_wm_state_add;
3399             else if (state == prop_atoms.net_wm_state_below)
3400                 action = self->below ? prop_atoms.net_wm_state_remove :
3401                     prop_atoms.net_wm_state_add;
3402             else if (state == prop_atoms.net_wm_state_demands_attention)
3403                 action = self->demands_attention ?
3404                     prop_atoms.net_wm_state_remove :
3405                     prop_atoms.net_wm_state_add;
3406             else if (state == prop_atoms.ob_wm_state_undecorated)
3407                 action = undecorated ? prop_atoms.net_wm_state_remove :
3408                     prop_atoms.net_wm_state_add;
3409         }
3410
3411         if (action == prop_atoms.net_wm_state_add) {
3412             if (state == prop_atoms.net_wm_state_modal) {
3413                 modal = TRUE;
3414             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3415                 max_vert = TRUE;
3416             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3417                 max_horz = TRUE;
3418             } else if (state == prop_atoms.net_wm_state_shaded) {
3419                 shaded = TRUE;
3420             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3421                 self->skip_taskbar = TRUE;
3422             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3423                 self->skip_pager = TRUE;
3424             } else if (state == prop_atoms.net_wm_state_hidden) {
3425                 iconic = TRUE;
3426             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3427                 fullscreen = TRUE;
3428             } else if (state == prop_atoms.net_wm_state_above) {
3429                 above = TRUE;
3430                 below = FALSE;
3431             } else if (state == prop_atoms.net_wm_state_below) {
3432                 above = FALSE;
3433                 below = TRUE;
3434             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3435                 demands_attention = TRUE;
3436             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3437                 undecorated = TRUE;
3438             }
3439
3440         } else { /* action == prop_atoms.net_wm_state_remove */
3441             if (state == prop_atoms.net_wm_state_modal) {
3442                 modal = FALSE;
3443             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3444                 max_vert = FALSE;
3445             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3446                 max_horz = FALSE;
3447             } else if (state == prop_atoms.net_wm_state_shaded) {
3448                 shaded = FALSE;
3449             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3450                 self->skip_taskbar = FALSE;
3451             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3452                 self->skip_pager = FALSE;
3453             } else if (state == prop_atoms.net_wm_state_hidden) {
3454                 iconic = FALSE;
3455             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3456                 fullscreen = FALSE;
3457             } else if (state == prop_atoms.net_wm_state_above) {
3458                 above = FALSE;
3459             } else if (state == prop_atoms.net_wm_state_below) {
3460                 below = FALSE;
3461             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3462                 demands_attention = FALSE;
3463             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3464                 undecorated = FALSE;
3465             }
3466         }
3467     }
3468
3469     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3470         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3471             /* toggling both */
3472             if (max_horz == max_vert) { /* both going the same way */
3473                 client_maximize(self, max_horz, 0);
3474             } else {
3475                 client_maximize(self, max_horz, 1);
3476                 client_maximize(self, max_vert, 2);
3477             }
3478         } else {
3479             /* toggling one */
3480             if (max_horz != self->max_horz)
3481                 client_maximize(self, max_horz, 1);
3482             else
3483                 client_maximize(self, max_vert, 2);
3484         }
3485     }
3486     /* change fullscreen state before shading, as it will affect if the window
3487        can shade or not */
3488     if (fullscreen != self->fullscreen)
3489         client_fullscreen(self, fullscreen);
3490     if (shaded != self->shaded)
3491         client_shade(self, shaded);
3492     if (undecorated != self->undecorated)
3493         client_set_undecorated(self, undecorated);
3494     if (above != self->above || below != self->below) {
3495         self->above = above;
3496         self->below = below;
3497         client_calc_layer(self);
3498     }
3499
3500     if (modal != self->modal) {
3501         self->modal = modal;
3502         /* when a window changes modality, then its stacking order with its
3503            transients needs to change */
3504         stacking_raise(CLIENT_AS_WINDOW(self));
3505
3506         /* it also may get focused. if something is focused that shouldn't
3507            be focused anymore, then move the focus */
3508         if (focus_client && client_focus_target(focus_client) != focus_client)
3509             client_focus(focus_client);
3510     }
3511
3512     if (iconic != self->iconic)
3513         client_iconify(self, iconic, FALSE, FALSE);
3514
3515     if (demands_attention != self->demands_attention)
3516         client_hilite(self, demands_attention);
3517
3518     client_change_state(self); /* change the hint to reflect these changes */
3519 }
3520
3521 ObClient *client_focus_target(ObClient *self)
3522 {
3523     ObClient *child = NULL;
3524
3525     child = client_search_modal_child(self);
3526     if (child) return child;
3527     return self;
3528 }
3529
3530 gboolean client_can_focus(ObClient *self)
3531 {
3532     /* choose the correct target */
3533     self = client_focus_target(self);
3534
3535     if (!self->frame->visible)
3536         return FALSE;
3537
3538     if (!(self->can_focus || self->focus_notify))
3539         return FALSE;
3540
3541     return TRUE;
3542 }
3543
3544 gboolean client_focus(ObClient *self)
3545 {
3546     /* we might not focus this window, so if we have modal children which would
3547        be focused instead, bring them to this desktop */
3548     client_bring_modal_windows(self);
3549
3550     /* choose the correct target */
3551     self = client_focus_target(self);
3552
3553     if (!client_can_focus(self)) {
3554         ob_debug_type(OB_DEBUG_FOCUS,
3555                       "Client %s can't be focused\n", self->title);
3556         return FALSE;
3557     }
3558
3559     ob_debug_type(OB_DEBUG_FOCUS,
3560                   "Focusing client \"%s\" (0x%x) at time %u\n",
3561                   self->title, self->window, event_curtime);
3562
3563     /* if there is a grab going on, then we need to cancel it. if we move
3564        focus during the grab, applications will get NotifyWhileGrabbed events
3565        and ignore them !
3566
3567        actions should not rely on being able to move focus during an
3568        interactive grab.
3569     */
3570     event_cancel_all_key_grabs();
3571
3572     xerror_set_ignore(TRUE);
3573     xerror_occured = FALSE;
3574
3575     if (self->can_focus) {
3576         /* This can cause a BadMatch error with CurrentTime, or if an app
3577            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3578         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3579                        event_curtime);
3580     }
3581
3582     if (self->focus_notify) {
3583         XEvent ce;
3584         ce.xclient.type = ClientMessage;
3585         ce.xclient.message_type = prop_atoms.wm_protocols;
3586         ce.xclient.display = ob_display;
3587         ce.xclient.window = self->window;
3588         ce.xclient.format = 32;
3589         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3590         ce.xclient.data.l[1] = event_curtime;
3591         ce.xclient.data.l[2] = 0l;
3592         ce.xclient.data.l[3] = 0l;
3593         ce.xclient.data.l[4] = 0l;
3594         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3595     }
3596
3597     xerror_set_ignore(FALSE);
3598
3599     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3600     return !xerror_occured;
3601 }
3602
3603 /*! Present the client to the user.
3604   @param raise If the client should be raised or not. You should only set
3605                raise to false if you don't care if the window is completely
3606                hidden.
3607 */
3608 static void client_present(ObClient *self, gboolean here, gboolean raise)
3609 {
3610     /* if using focus_delay, stop the timer now so that focus doesn't
3611        go moving on us */
3612     event_halt_focus_delay();
3613
3614     if (client_normal(self) && screen_showing_desktop)
3615         screen_show_desktop(FALSE, self);
3616     if (self->iconic)
3617         client_iconify(self, FALSE, here, FALSE);
3618     if (self->desktop != DESKTOP_ALL &&
3619         self->desktop != screen_desktop)
3620     {
3621         if (here)
3622             client_set_desktop(self, screen_desktop, FALSE);
3623         else
3624             screen_set_desktop(self->desktop, FALSE);
3625     } else if (!self->frame->visible)
3626         /* if its not visible for other reasons, then don't mess
3627            with it */
3628         return;
3629     if (self->shaded)
3630         client_shade(self, FALSE);
3631     if (raise)
3632         stacking_raise(CLIENT_AS_WINDOW(self));
3633
3634     client_focus(self);
3635 }
3636
3637 void client_activate(ObClient *self, gboolean here, gboolean user)
3638 {
3639     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3640     gboolean allow = FALSE;
3641
3642     /* if the currently focused app doesn't set a user_time, then it can't
3643        benefit from any focus stealing prevention.
3644
3645        if the timestamp is missing in the request then let it go through
3646        even if it is source=app, because EVERY APPLICATION DOES THIS because
3647        GTK IS VERY BUGGY AND HARDCODES source=application... WHY!?
3648     */
3649     if (!last_time || !event_curtime)
3650         allow = TRUE;
3651     /* otherwise, if they didn't give a time stamp or if it is too old, they
3652        don't get focus */
3653     else
3654         allow = event_time_after(event_curtime, last_time);
3655
3656     ob_debug_type(OB_DEBUG_FOCUS,
3657                   "Want to activate window 0x%x with time %u (last time %u), "
3658                   "source=%s allowing? %d\n",
3659                   self->window, event_curtime, last_time,
3660                   (user ? "user" : "application"), allow);
3661
3662     if (allow)
3663         client_present(self, here, TRUE);
3664     else
3665         /* don't focus it but tell the user it wants attention */
3666         client_hilite(self, TRUE);
3667 }
3668
3669 static void client_bring_windows_recursive(ObClient *self,
3670                                            guint desktop,
3671                                            gboolean helpers,
3672                                            gboolean modals,
3673                                            gboolean iconic)
3674 {
3675     GSList *it;
3676
3677     for (it = self->transients; it; it = g_slist_next(it))
3678         client_bring_windows_recursive(it->data, desktop,
3679                                        helpers, modals, iconic);
3680
3681     if (((helpers && client_helper(self)) ||
3682          (modals && self->modal)) &&
3683         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3684          (iconic && self->iconic)))
3685     {
3686         if (iconic && self->iconic)
3687             client_iconify(self, FALSE, TRUE, FALSE);
3688         else
3689             client_set_desktop(self, desktop, FALSE);
3690     }
3691 }
3692
3693 void client_bring_helper_windows(ObClient *self)
3694 {
3695     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3696 }
3697
3698 void client_bring_modal_windows(ObClient *self)
3699 {
3700     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3701 }
3702
3703 gboolean client_focused(ObClient *self)
3704 {
3705     return self == focus_client;
3706 }
3707
3708 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3709 {
3710     guint i;
3711     gulong min_diff, min_i;
3712
3713     if (!self->nicons) {
3714         ObClientIcon *parent = NULL;
3715         GSList *it;
3716
3717         for (it = self->parents; it; it = g_slist_next(it)) {
3718             ObClient *c = it->data;
3719             if ((parent = client_icon_recursive(c, w, h)))
3720                 break;
3721         }
3722
3723         return parent;
3724     }
3725
3726     /* some kind of crappy approximation to find the icon closest in size to
3727        what we requested, but icons are generally all the same ratio as
3728        eachother so it's good enough. */
3729
3730     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3731     min_i = 0;
3732
3733     for (i = 1; i < self->nicons; ++i) {
3734         gulong diff;
3735
3736         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3737         if (diff < min_diff) {
3738             min_diff = diff;
3739             min_i = i;
3740         }
3741     }
3742     return &self->icons[min_i];
3743 }
3744
3745 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3746 {
3747     ObClientIcon *ret;
3748     static ObClientIcon deficon;
3749
3750     if (!(ret = client_icon_recursive(self, w, h))) {
3751         deficon.width = deficon.height = 48;
3752         deficon.data = ob_rr_theme->def_win_icon;
3753         ret = &deficon;
3754     }
3755     return ret;
3756 }
3757
3758 void client_set_layer(ObClient *self, gint layer)
3759 {
3760     if (layer < 0) {
3761         self->below = TRUE;
3762         self->above = FALSE;
3763     } else if (layer == 0) {
3764         self->below = self->above = FALSE;
3765     } else {
3766         self->below = FALSE;
3767         self->above = TRUE;
3768     }
3769     client_calc_layer(self);
3770     client_change_state(self); /* reflect this in the state hints */
3771 }
3772
3773 void client_set_undecorated(ObClient *self, gboolean undecorated)
3774 {
3775     if (self->undecorated != undecorated &&
3776         /* don't let it undecorate if the function is missing, but let
3777            it redecorate */
3778         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3779     {
3780         self->undecorated = undecorated;
3781         client_setup_decor_and_functions(self, TRUE);
3782         client_change_state(self); /* reflect this in the state hints */
3783     }
3784 }
3785
3786 guint client_monitor(ObClient *self)
3787 {
3788     return screen_find_monitor(&self->frame->area);
3789 }
3790
3791 ObClient *client_direct_parent(ObClient *self)
3792 {
3793     if (!self->parents) return NULL;
3794     if (self->transient_for_group) return NULL;
3795     return self->parents->data;
3796 }
3797
3798 ObClient *client_search_top_direct_parent(ObClient *self)
3799 {
3800     ObClient *p;
3801     while ((p = client_direct_parent(self))) self = p;
3802     return self;
3803 }
3804
3805 static GSList *client_search_all_top_parents_internal(ObClient *self,
3806                                                       gboolean bylayer,
3807                                                       ObStackingLayer layer)
3808 {
3809     GSList *ret;
3810     ObClient *p;
3811
3812     /* move up the direct transient chain as far as possible */
3813     while ((p = client_direct_parent(self)) &&
3814            (!bylayer || p->layer == layer))
3815         self = p;
3816
3817     if (!self->parents)
3818         ret = g_slist_prepend(NULL, self);
3819     else
3820         ret = g_slist_copy(self->parents);
3821
3822     return ret;
3823 }
3824
3825 GSList *client_search_all_top_parents(ObClient *self)
3826 {
3827     return client_search_all_top_parents_internal(self, FALSE, 0);
3828 }
3829
3830 GSList *client_search_all_top_parents_layer(ObClient *self)
3831 {
3832     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3833 }
3834
3835 ObClient *client_search_focus_parent(ObClient *self)
3836 {
3837     GSList *it;
3838
3839     for (it = self->parents; it; it = g_slist_next(it))
3840         if (client_focused(it->data)) return it->data;
3841
3842     return NULL;
3843 }
3844
3845 ObClient *client_search_parent(ObClient *self, ObClient *search)
3846 {
3847     GSList *it;
3848
3849     for (it = self->parents; it; it = g_slist_next(it))
3850         if (it->data == search) return search;
3851
3852     return NULL;
3853 }
3854
3855 ObClient *client_search_transient(ObClient *self, ObClient *search)
3856 {
3857     GSList *sit;
3858
3859     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3860         if (sit->data == search)
3861             return search;
3862         if (client_search_transient(sit->data, search))
3863             return search;
3864     }
3865     return NULL;
3866 }
3867
3868 #define WANT_EDGE(cur, c) \
3869             if (cur == c)                                                     \
3870                 continue;                                                     \
3871             if (c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&  \
3872                 cur->desktop != screen_desktop)                               \
3873                 continue;                                                     \
3874             if (cur->iconic)                                                  \
3875                 continue;
3876
3877 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3878             if ((his_edge_start >= my_edge_start && \
3879                  his_edge_start <= my_edge_end) ||  \
3880                 (my_edge_start >= his_edge_start && \
3881                  my_edge_start <= his_edge_end))    \
3882                 dest = his_offset;
3883
3884 /* finds the nearest edge in the given direction from the current client
3885  * note to self: the edge is the -frame- edge (the actual one), not the
3886  * client edge.
3887  */
3888 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3889 {
3890     gint dest, monitor_dest;
3891     gint my_edge_start, my_edge_end, my_offset;
3892     GList *it;
3893     Rect *a, *mon;
3894
3895     if(!client_list)
3896         return -1;
3897
3898     a = screen_area(c->desktop, SCREEN_AREA_ALL_MONITORS, &c->frame->area);
3899     mon = screen_area(c->desktop, SCREEN_AREA_ONE_MONITOR, &c->frame->area);
3900
3901     switch(dir) {
3902     case OB_DIRECTION_NORTH:
3903         my_edge_start = c->frame->area.x;
3904         my_edge_end = c->frame->area.x + c->frame->area.width;
3905         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3906
3907         /* default: top of screen */
3908         dest = a->y + (hang ? c->frame->area.height : 0);
3909         monitor_dest = mon->y + (hang ? c->frame->area.height : 0);
3910         /* if the monitor edge comes before the screen edge, */
3911         /* use that as the destination instead. (For xinerama) */
3912         if (monitor_dest != dest && my_offset > monitor_dest)
3913             dest = monitor_dest;
3914
3915         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3916             gint his_edge_start, his_edge_end, his_offset;
3917             ObClient *cur = it->data;
3918
3919             WANT_EDGE(cur, c)
3920
3921             his_edge_start = cur->frame->area.x;
3922             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3923             his_offset = cur->frame->area.y +
3924                          (hang ? 0 : cur->frame->area.height);
3925
3926             if(his_offset + 1 > my_offset)
3927                 continue;
3928
3929             if(his_offset < dest)
3930                 continue;
3931
3932             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3933         }
3934         break;
3935     case OB_DIRECTION_SOUTH:
3936         my_edge_start = c->frame->area.x;
3937         my_edge_end = c->frame->area.x + c->frame->area.width;
3938         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3939
3940         /* default: bottom of screen */
3941         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3942         monitor_dest = mon->y + mon->height -
3943                        (hang ? c->frame->area.height : 0);
3944         /* if the monitor edge comes before the screen edge, */
3945         /* use that as the destination instead. (For xinerama) */
3946         if (monitor_dest != dest && my_offset < monitor_dest)
3947             dest = monitor_dest;
3948
3949         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3950             gint his_edge_start, his_edge_end, his_offset;
3951             ObClient *cur = it->data;
3952
3953             WANT_EDGE(cur, c)
3954
3955             his_edge_start = cur->frame->area.x;
3956             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3957             his_offset = cur->frame->area.y +
3958                          (hang ? cur->frame->area.height : 0);
3959
3960
3961             if(his_offset - 1 < my_offset)
3962                 continue;
3963
3964             if(his_offset > dest)
3965                 continue;
3966
3967             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3968         }
3969         break;
3970     case OB_DIRECTION_WEST:
3971         my_edge_start = c->frame->area.y;
3972         my_edge_end = c->frame->area.y + c->frame->area.height;
3973         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3974
3975         /* default: leftmost egde of screen */
3976         dest = a->x + (hang ? c->frame->area.width : 0);
3977         monitor_dest = mon->x + (hang ? c->frame->area.width : 0);
3978         /* if the monitor edge comes before the screen edge, */
3979         /* use that as the destination instead. (For xinerama) */
3980         if (monitor_dest != dest && my_offset > monitor_dest)
3981             dest = monitor_dest;
3982
3983         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3984             gint his_edge_start, his_edge_end, his_offset;
3985             ObClient *cur = it->data;
3986
3987             WANT_EDGE(cur, c)
3988
3989             his_edge_start = cur->frame->area.y;
3990             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3991             his_offset = cur->frame->area.x +
3992                          (hang ? 0 : cur->frame->area.width);
3993
3994             if(his_offset + 1 > my_offset)
3995                 continue;
3996
3997             if(his_offset < dest)
3998                 continue;
3999
4000             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
4001         }
4002        break;
4003     case OB_DIRECTION_EAST:
4004         my_edge_start = c->frame->area.y;
4005         my_edge_end = c->frame->area.y + c->frame->area.height;
4006         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
4007
4008         /* default: rightmost edge of screen */
4009         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
4010         monitor_dest = mon->x + mon->width -
4011                        (hang ? c->frame->area.width : 0);
4012         /* if the monitor edge comes before the screen edge, */
4013         /* use that as the destination instead. (For xinerama) */
4014         if (monitor_dest != dest && my_offset < monitor_dest)
4015             dest = monitor_dest;
4016
4017         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
4018             gint his_edge_start, his_edge_end, his_offset;
4019             ObClient *cur = it->data;
4020
4021             WANT_EDGE(cur, c)
4022
4023             his_edge_start = cur->frame->area.y;
4024             his_edge_end = cur->frame->area.y + cur->frame->area.height;
4025             his_offset = cur->frame->area.x +
4026                          (hang ? cur->frame->area.width : 0);
4027
4028             if(his_offset - 1 < my_offset)
4029                 continue;
4030
4031             if(his_offset > dest)
4032                 continue;
4033
4034             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
4035         }
4036         break;
4037     case OB_DIRECTION_NORTHEAST:
4038     case OB_DIRECTION_SOUTHEAST:
4039     case OB_DIRECTION_NORTHWEST:
4040     case OB_DIRECTION_SOUTHWEST:
4041         /* not implemented */
4042     default:
4043         g_assert_not_reached();
4044         dest = 0; /* suppress warning */
4045     }
4046
4047     g_free(a);
4048     g_free(mon);
4049     return dest;
4050 }
4051
4052 ObClient* client_under_pointer()
4053 {
4054     gint x, y;
4055     GList *it;
4056     ObClient *ret = NULL;
4057
4058     if (screen_pointer_pos(&x, &y)) {
4059         for (it = stacking_list; it; it = g_list_next(it)) {
4060             if (WINDOW_IS_CLIENT(it->data)) {
4061                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4062                 if (c->frame->visible &&
4063                     /* check the desktop, this is done during desktop
4064                        switching and windows are shown/hidden status is not
4065                        reliable */
4066                     (c->desktop == screen_desktop ||
4067                      c->desktop == DESKTOP_ALL) &&
4068                     /* ignore all animating windows */
4069                     !frame_iconify_animating(c->frame) &&
4070                     RECT_CONTAINS(c->frame->area, x, y))
4071                 {
4072                     ret = c;
4073                     break;
4074                 }
4075             }
4076         }
4077     }
4078     return ret;
4079 }
4080
4081 gboolean client_has_group_siblings(ObClient *self)
4082 {
4083     return self->group && self->group->members->next;
4084 }