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     RECT_TO_DIMS(self->area, x, y, w, h);
1816     if (!force)
1817         client_try_configure(self, &x, &y, &w, &h, &lw, &lh, FALSE);
1818     if (force || !RECT_EQUAL_DIMS(self->area, x, y, w, h)) {
1819         gulong ignore_start;
1820
1821         ob_debug("Reconfiguring client x %d y %d w %d h %d\n",
1822                  x, y, w, h);
1823         ignore_start = event_start_ignore_all_enters();
1824         client_configure(self, x, y, w, h, FALSE, TRUE);
1825         event_end_ignore_all_enters(ignore_start);
1826     }
1827 }
1828
1829 void client_update_wmhints(ObClient *self)
1830 {
1831     XWMHints *hints;
1832
1833     /* assume a window takes input if it doesnt specify */
1834     self->can_focus = TRUE;
1835
1836     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1837         gboolean ur;
1838
1839         if (hints->flags & InputHint)
1840             self->can_focus = hints->input;
1841
1842         /* only do this when first managing the window *AND* when we aren't
1843            starting up! */
1844         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1845             if (hints->flags & StateHint)
1846                 self->iconic = hints->initial_state == IconicState;
1847
1848         ur = self->urgent;
1849         self->urgent = (hints->flags & XUrgencyHint);
1850         if (self->urgent && !ur)
1851             client_hilite(self, TRUE);
1852         else if (!self->urgent && ur && self->demands_attention)
1853             client_hilite(self, FALSE);
1854
1855         if (!(hints->flags & WindowGroupHint))
1856             hints->window_group = None;
1857
1858         /* did the group state change? */
1859         if (hints->window_group !=
1860             (self->group ? self->group->leader : None))
1861         {
1862             ObGroup *oldgroup = self->group;
1863
1864             /* remove from the old group if there was one */
1865             if (self->group != NULL) {
1866                 group_remove(self->group, self);
1867                 self->group = NULL;
1868             }
1869
1870             /* add ourself to the group if we have one */
1871             if (hints->window_group != None) {
1872                 self->group = group_add(hints->window_group, self);
1873             }
1874
1875             /* Put ourselves into the new group's transient tree, and remove
1876                ourselves from the old group's */
1877             client_update_transient_tree(self, oldgroup, self->group,
1878                                          self->transient_for_group,
1879                                          self->transient_for_group,
1880                                          client_direct_parent(self),
1881                                          client_direct_parent(self));
1882
1883             /* Lastly, being in a group, or not, can change if the window is
1884                transient for anything.
1885
1886                The logic for this is:
1887                self->transient = TRUE always if the window wants to be
1888                transient for something, even if transient_for was NULL because
1889                it wasn't in a group before.
1890
1891                If parents was NULL and oldgroup was NULL we can assume
1892                that when we add the new group, it will become transient for
1893                something.
1894
1895                If transient_for_group is TRUE, then it must have already
1896                had a group. If it is getting a new group, the above call to
1897                client_update_transient_tree has already taken care of
1898                everything ! If it is losing all group status then it will
1899                no longer be transient for anything and that needs to be
1900                updated.
1901             */
1902             if (self->transient &&
1903                 ((self->parents == NULL && oldgroup == NULL) ||
1904                  (self->transient_for_group && !self->group)))
1905                 client_update_transient_for(self);
1906         }
1907
1908         /* the WM_HINTS can contain an icon */
1909         if (hints->flags & IconPixmapHint)
1910             client_update_icons(self);
1911
1912         XFree(hints);
1913     }
1914 }
1915
1916 void client_update_title(ObClient *self)
1917 {
1918     gchar *data = NULL;
1919     gchar *visible = NULL;
1920
1921     g_free(self->title);
1922
1923     /* try netwm */
1924     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1925         /* try old x stuff */
1926         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1927               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1928             if (self->transient) {
1929                 /*
1930                   GNOME alert windows are not given titles:
1931                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1932                 */
1933                 data = g_strdup("");
1934             } else
1935                 data = g_strdup("Unnamed Window");
1936         }
1937     }
1938
1939     if (self->client_machine) {
1940         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1941         g_free(data);
1942     } else
1943         visible = data;
1944
1945     PROP_SETS(self->window, net_wm_visible_name, visible);
1946     self->title = visible;
1947
1948     if (self->frame)
1949         frame_adjust_title(self->frame);
1950
1951     /* update the icon title */
1952     data = NULL;
1953     g_free(self->icon_title);
1954
1955     /* try netwm */
1956     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1957         /* try old x stuff */
1958         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1959               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1960             data = g_strdup(self->title);
1961
1962     if (self->client_machine) {
1963         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1964         g_free(data);
1965     } else
1966         visible = data;
1967
1968     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1969     self->icon_title = visible;
1970 }
1971
1972 void client_update_strut(ObClient *self)
1973 {
1974     guint num;
1975     guint32 *data;
1976     gboolean got = FALSE;
1977     StrutPartial strut;
1978
1979     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1980                     &data, &num)) {
1981         if (num == 12) {
1982             got = TRUE;
1983             STRUT_PARTIAL_SET(strut,
1984                               data[0], data[2], data[1], data[3],
1985                               data[4], data[5], data[8], data[9],
1986                               data[6], data[7], data[10], data[11]);
1987         }
1988         g_free(data);
1989     }
1990
1991     if (!got &&
1992         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1993         if (num == 4) {
1994             Rect *a;
1995
1996             got = TRUE;
1997
1998             /* use the screen's width/height */
1999             a = screen_physical_area_all_monitors();
2000
2001             STRUT_PARTIAL_SET(strut,
2002                               data[0], data[2], data[1], data[3],
2003                               a->y, a->y + a->height - 1,
2004                               a->x, a->x + a->width - 1,
2005                               a->y, a->y + a->height - 1,
2006                               a->x, a->x + a->width - 1);
2007             g_free(a);
2008         }
2009         g_free(data);
2010     }
2011
2012     if (!got)
2013         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2014                           0, 0, 0, 0, 0, 0, 0, 0);
2015
2016     if (!STRUT_EQUAL(strut, self->strut)) {
2017         self->strut = strut;
2018
2019         /* updating here is pointless while we're being mapped cuz we're not in
2020            the client list yet */
2021         if (self->frame)
2022             screen_update_areas();
2023     }
2024 }
2025
2026 void client_update_icons(ObClient *self)
2027 {
2028     guint num;
2029     guint32 *data;
2030     guint w, h, i, j;
2031
2032     for (i = 0; i < self->nicons; ++i)
2033         g_free(self->icons[i].data);
2034     if (self->nicons > 0)
2035         g_free(self->icons);
2036     self->nicons = 0;
2037
2038     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2039         /* figure out how many valid icons are in here */
2040         i = 0;
2041         while (num - i > 2) {
2042             w = data[i++];
2043             h = data[i++];
2044             i += w * h;
2045             if (i > num || w*h == 0) break;
2046             ++self->nicons;
2047         }
2048
2049         self->icons = g_new(ObClientIcon, self->nicons);
2050
2051         /* store the icons */
2052         i = 0;
2053         for (j = 0; j < self->nicons; ++j) {
2054             guint x, y, t;
2055
2056             w = self->icons[j].width = data[i++];
2057             h = self->icons[j].height = data[i++];
2058
2059             if (w*h == 0) continue;
2060
2061             self->icons[j].data = g_new(RrPixel32, w * h);
2062             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2063                 if (x >= w) {
2064                     x = 0;
2065                     ++y;
2066                 }
2067                 self->icons[j].data[t] =
2068                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2069                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2070                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2071                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2072             }
2073             g_assert(i <= num);
2074         }
2075
2076         g_free(data);
2077     } else {
2078         XWMHints *hints;
2079
2080         if ((hints = XGetWMHints(ob_display, self->window))) {
2081             if (hints->flags & IconPixmapHint) {
2082                 self->nicons = 1;
2083                 self->icons = g_new(ObClientIcon, self->nicons);
2084                 xerror_set_ignore(TRUE);
2085                 if (!RrPixmapToRGBA(ob_rr_inst,
2086                                     hints->icon_pixmap,
2087                                     (hints->flags & IconMaskHint ?
2088                                      hints->icon_mask : None),
2089                                     &self->icons[0].width,
2090                                     &self->icons[0].height,
2091                                     &self->icons[0].data))
2092                 {
2093                     g_free(self->icons);
2094                     self->nicons = 0;
2095                 }
2096                 xerror_set_ignore(FALSE);
2097             }
2098             XFree(hints);
2099         }
2100     }
2101
2102     /* set the default icon onto the window
2103        in theory, this could be a race, but if a window doesn't set an icon
2104        or removes it entirely, it's not very likely it is going to set one
2105        right away afterwards */
2106     if (self->nicons == 0) {
2107         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2108         gulong *data;
2109
2110         data = g_new(gulong, 48*48+2);
2111         data[0] = data[1] =  48;
2112         for (i = 0; i < 48*48; ++i)
2113             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2114                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2115                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2116                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2117         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2118         g_free(data);
2119     } else if (self->frame)
2120         /* don't draw the icon empty if we're just setting one now anyways,
2121            we'll get the property change any second */
2122         frame_adjust_icon(self->frame);
2123 }
2124
2125 void client_update_user_time(ObClient *self)
2126 {
2127     guint32 time;
2128     gboolean got = FALSE;
2129
2130     if (self->user_time_window)
2131         got = PROP_GET32(self->user_time_window,
2132                          net_wm_user_time, cardinal, &time);
2133     if (!got)
2134         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2135
2136     if (got) {
2137         /* we set this every time, not just when it grows, because in practice
2138            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2139            backward we don't want all windows to stop focusing. we'll just
2140            assume noone is setting times older than the last one, cuz that
2141            would be pretty stupid anyways
2142         */
2143         self->user_time = time;
2144
2145         /*ob_debug("window %s user time %u\n", self->title, time);*/
2146     }
2147 }
2148
2149 void client_update_user_time_window(ObClient *self)
2150 {
2151     guint32 w;
2152
2153     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2154         w = None;
2155
2156     if (w != self->user_time_window) {
2157         /* remove the old window */
2158         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2159         self->user_time_window = None;
2160
2161         if (self->group && self->group->leader == w) {
2162             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2163                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2164             /* do it anyways..? */
2165         }
2166         else if (w == self->window) {
2167             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2168                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2169             w = None; /* don't do it */
2170         }
2171
2172         /* add the new window */
2173         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2174         self->user_time_window = w;
2175
2176         /* and update from it */
2177         client_update_user_time(self);
2178     }
2179 }
2180
2181 void client_update_icon_geometry(ObClient *self)
2182 {
2183     guint num;
2184     guint32 *data;
2185
2186     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2187
2188     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2189         && num == 4)
2190     {
2191         /* don't let them set it with an area < 0 */
2192         RECT_SET(self->icon_geometry, data[0], data[1],
2193                  MAX(data[2],0), MAX(data[3],0));
2194     }
2195 }
2196
2197 static void client_get_session_ids(ObClient *self)
2198 {
2199     guint32 leader;
2200     gboolean got;
2201     gchar *s;
2202     gchar **ss;
2203
2204     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2205         leader = None;
2206
2207     /* get the SM_CLIENT_ID */
2208     got = FALSE;
2209     if (leader)
2210         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2211     if (!got)
2212         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2213
2214     /* get the WM_CLASS (name and class). make them "" if they are not
2215        provided */
2216     got = FALSE;
2217     if (leader)
2218         got = PROP_GETSS(leader, wm_class, locale, &ss);
2219     if (!got)
2220         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2221
2222     if (got) {
2223         if (ss[0]) {
2224             self->name = g_strdup(ss[0]);
2225             if (ss[1])
2226                 self->class = g_strdup(ss[1]);
2227         }
2228         g_strfreev(ss);
2229     }
2230
2231     if (self->name == NULL) self->name = g_strdup("");
2232     if (self->class == NULL) self->class = g_strdup("");
2233
2234     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2235     got = FALSE;
2236     if (leader)
2237         got = PROP_GETS(leader, wm_window_role, locale, &s);
2238     if (!got)
2239         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2240
2241     if (got)
2242         self->role = s;
2243     else
2244         self->role = g_strdup("");
2245
2246     /* get the WM_COMMAND */
2247     got = FALSE;
2248
2249     if (leader)
2250         got = PROP_GETSS(leader, wm_command, locale, &ss);
2251     if (!got)
2252         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2253
2254     if (got) {
2255         /* merge/mash them all together */
2256         gchar *merge = NULL;
2257         gint i;
2258
2259         for (i = 0; ss[i]; ++i) {
2260             gchar *tmp = merge;
2261             if (merge)
2262                 merge = g_strconcat(merge, ss[i], NULL);
2263             else
2264                 merge = g_strconcat(ss[i], NULL);
2265             g_free(tmp);
2266         }
2267         g_strfreev(ss);
2268
2269         self->wm_command = merge;
2270     }
2271
2272     /* get the WM_CLIENT_MACHINE */
2273     got = FALSE;
2274     if (leader)
2275         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2276     if (!got)
2277         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2278
2279     if (got) {
2280         gchar localhost[128];
2281
2282         gethostname(localhost, 127);
2283         localhost[127] = '\0';
2284         if (strcmp(localhost, s) != 0)
2285             self->client_machine = s;
2286         else
2287             g_free(s);
2288     }
2289 }
2290
2291 static void client_change_wm_state(ObClient *self)
2292 {
2293     gulong state[2];
2294     glong old;
2295
2296     old = self->wmstate;
2297
2298     if (self->shaded || self->iconic ||
2299         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2300     {
2301         self->wmstate = IconicState;
2302     } else
2303         self->wmstate = NormalState;
2304
2305     if (old != self->wmstate) {
2306         PROP_MSG(self->window, kde_wm_change_state,
2307                  self->wmstate, 1, 0, 0);
2308
2309         state[0] = self->wmstate;
2310         state[1] = None;
2311         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2312     }
2313 }
2314
2315 static void client_change_state(ObClient *self)
2316 {
2317     gulong netstate[12];
2318     guint num;
2319
2320     num = 0;
2321     if (self->modal)
2322         netstate[num++] = prop_atoms.net_wm_state_modal;
2323     if (self->shaded)
2324         netstate[num++] = prop_atoms.net_wm_state_shaded;
2325     if (self->iconic)
2326         netstate[num++] = prop_atoms.net_wm_state_hidden;
2327     if (self->skip_taskbar)
2328         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2329     if (self->skip_pager)
2330         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2331     if (self->fullscreen)
2332         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2333     if (self->max_vert)
2334         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2335     if (self->max_horz)
2336         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2337     if (self->above)
2338         netstate[num++] = prop_atoms.net_wm_state_above;
2339     if (self->below)
2340         netstate[num++] = prop_atoms.net_wm_state_below;
2341     if (self->demands_attention)
2342         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2343     if (self->undecorated)
2344         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2345     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2346
2347     if (self->frame)
2348         frame_adjust_state(self->frame);
2349 }
2350
2351 ObClient *client_search_focus_tree(ObClient *self)
2352 {
2353     GSList *it;
2354     ObClient *ret;
2355
2356     for (it = self->transients; it; it = g_slist_next(it)) {
2357         if (client_focused(it->data)) return it->data;
2358         if ((ret = client_search_focus_tree(it->data))) return ret;
2359     }
2360     return NULL;
2361 }
2362
2363 ObClient *client_search_focus_tree_full(ObClient *self)
2364 {
2365     if (self->parents) {
2366         GSList *it;
2367
2368         for (it = self->parents; it; it = g_slist_next(it)) {
2369             ObClient *c = it->data;
2370             if ((c = client_search_focus_tree_full(it->data))) return c;
2371         }
2372
2373         return NULL;
2374     }
2375     else {
2376         /* this function checks the whole tree, the client_search_focus_tree
2377            does not, so we need to check this window */
2378         if (client_focused(self))
2379             return self;
2380         return client_search_focus_tree(self);
2381     }
2382 }
2383
2384 ObClient *client_search_focus_group_full(ObClient *self)
2385 {
2386     GSList *it;
2387
2388     if (self->group) {
2389         for (it = self->group->members; it; it = g_slist_next(it)) {
2390             ObClient *c = it->data;
2391
2392             if (client_focused(c)) return c;
2393             if ((c = client_search_focus_tree(it->data))) return c;
2394         }
2395     } else
2396         if (client_focused(self)) return self;
2397     return NULL;
2398 }
2399
2400 gboolean client_has_parent(ObClient *self)
2401 {
2402     return self->parents != NULL;
2403 }
2404
2405 static ObStackingLayer calc_layer(ObClient *self)
2406 {
2407     ObStackingLayer l;
2408     Rect *monitor;
2409
2410     monitor = screen_physical_area_monitor(client_monitor(self));
2411
2412     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2413         l = OB_STACKING_LAYER_DESKTOP;
2414     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2415         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2416         else l = OB_STACKING_LAYER_ABOVE;
2417     }
2418     else if ((self->fullscreen ||
2419               /* No decorations and fills the monitor = oldskool fullscreen.
2420                  But not for maximized windows.
2421               */
2422               (self->decorations == 0 &&
2423                !(self->max_horz && self->max_vert) &&
2424                RECT_EQUAL(self->area, *monitor))) &&
2425              (client_focused(self) || client_search_focus_tree(self)))
2426         l = OB_STACKING_LAYER_FULLSCREEN;
2427     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2428     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2429     else l = OB_STACKING_LAYER_NORMAL;
2430
2431     g_free(monitor);
2432
2433     return l;
2434 }
2435
2436 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2437                                         ObStackingLayer min)
2438 {
2439     ObStackingLayer old, own;
2440     GSList *it;
2441
2442     old = self->layer;
2443     own = calc_layer(self);
2444     self->layer = MAX(own, min);
2445
2446     if (self->layer != old) {
2447         stacking_remove(CLIENT_AS_WINDOW(self));
2448         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2449     }
2450
2451     for (it = self->transients; it; it = g_slist_next(it))
2452         client_calc_layer_recursive(it->data, orig,
2453                                     self->layer);
2454 }
2455
2456 void client_calc_layer(ObClient *self)
2457 {
2458     ObClient *orig;
2459     GSList *it;
2460
2461     orig = self;
2462
2463     /* transients take on the layer of their parents */
2464     it = client_search_all_top_parents(self);
2465
2466     for (; it; it = g_slist_next(it))
2467         client_calc_layer_recursive(it->data, orig, 0);
2468 }
2469
2470 gboolean client_should_show(ObClient *self)
2471 {
2472     if (self->iconic)
2473         return FALSE;
2474     if (client_normal(self) && screen_showing_desktop)
2475         return FALSE;
2476     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2477         return TRUE;
2478
2479     return FALSE;
2480 }
2481
2482 gboolean client_show(ObClient *self)
2483 {
2484     gboolean show = FALSE;
2485
2486     if (client_should_show(self)) {
2487         frame_show(self->frame);
2488         show = TRUE;
2489
2490         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2491            it needs to be in IconicState. This includes when it is on another
2492            desktop!
2493         */
2494         client_change_wm_state(self);
2495     }
2496     return show;
2497 }
2498
2499 gboolean client_hide(ObClient *self)
2500 {
2501     gboolean hide = FALSE;
2502
2503     if (!client_should_show(self)) {
2504         if (self == focus_client) {
2505             /* if there is a grab going on, then we need to cancel it. if we
2506                move focus during the grab, applications will get
2507                NotifyWhileGrabbed events and ignore them !
2508
2509                actions should not rely on being able to move focus during an
2510                interactive grab.
2511             */
2512             event_cancel_all_key_grabs();
2513         }
2514
2515         /* We don't need to ignore enter events here.
2516            The window can hide/iconify in 3 different ways:
2517            1 - through an x message. in this case we ignore all enter events
2518                caused by responding to the x message (unless underMouse)
2519            2 - by a keyboard action. in this case we ignore all enter events
2520                caused by the action
2521            3 - by a mouse action. in this case they are doing stuff with the
2522                mouse and focus _should_ move.
2523
2524            Also in action_end, we simulate an enter event that can't be ignored
2525            so trying to ignore them is futile in case 3 anyways
2526         */
2527
2528         frame_hide(self->frame);
2529         hide = TRUE;
2530
2531         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2532            it needs to be in IconicState. This includes when it is on another
2533            desktop!
2534         */
2535         client_change_wm_state(self);
2536     }
2537     return hide;
2538 }
2539
2540 void client_showhide(ObClient *self)
2541 {
2542     if (!client_show(self))
2543         client_hide(self);
2544 }
2545
2546 gboolean client_normal(ObClient *self) {
2547     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2548               self->type == OB_CLIENT_TYPE_DOCK ||
2549               self->type == OB_CLIENT_TYPE_SPLASH);
2550 }
2551
2552 gboolean client_helper(ObClient *self)
2553 {
2554     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2555             self->type == OB_CLIENT_TYPE_MENU ||
2556             self->type == OB_CLIENT_TYPE_TOOLBAR);
2557 }
2558
2559 gboolean client_mouse_focusable(ObClient *self)
2560 {
2561     return !(self->type == OB_CLIENT_TYPE_MENU ||
2562              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2563              self->type == OB_CLIENT_TYPE_SPLASH ||
2564              self->type == OB_CLIENT_TYPE_DOCK);
2565 }
2566
2567 gboolean client_enter_focusable(ObClient *self)
2568 {
2569     /* you can focus desktops but it shouldn't on enter */
2570     return (client_mouse_focusable(self) &&
2571             self->type != OB_CLIENT_TYPE_DESKTOP);
2572 }
2573
2574
2575 static void client_apply_startup_state(ObClient *self,
2576                                        gint x, gint y, gint w, gint h)
2577 {
2578     /* save the states that we are going to apply */
2579     gboolean iconic = self->iconic;
2580     gboolean fullscreen = self->fullscreen;
2581     gboolean undecorated = self->undecorated;
2582     gboolean shaded = self->shaded;
2583     gboolean demands_attention = self->demands_attention;
2584     gboolean max_horz = self->max_horz;
2585     gboolean max_vert = self->max_vert;
2586     Rect oldarea;
2587     gint l;
2588
2589     /* turn them all off in the client, so they won't affect the window
2590        being placed */
2591     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2592         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2593
2594     /* move the client to its placed position, or it it's already there,
2595        generate a ConfigureNotify telling the client where it is.
2596
2597        do this after adjusting the frame. otherwise it gets all weird and
2598        clients don't work right
2599
2600        do this before applying the states so they have the correct
2601        pre-max/pre-fullscreen values
2602     */
2603     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2604     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2605              self->window, x, y, w, h);
2606     /* save the area, and make it where it should be for the premax stuff */
2607     oldarea = self->area;
2608     RECT_SET(self->area, x, y, w, h);
2609
2610     /* apply the states. these are in a carefully crafted order.. */
2611
2612     if (iconic)
2613         client_iconify(self, TRUE, FALSE, TRUE);
2614     if (fullscreen)
2615         client_fullscreen(self, TRUE);
2616     if (undecorated)
2617         client_set_undecorated(self, TRUE);
2618     if (shaded)
2619         client_shade(self, TRUE);
2620     if (demands_attention)
2621         client_hilite(self, TRUE);
2622
2623     if (max_vert && max_horz)
2624         client_maximize(self, TRUE, 0);
2625     else if (max_vert)
2626         client_maximize(self, TRUE, 2);
2627     else if (max_horz)
2628         client_maximize(self, TRUE, 1);
2629
2630     /* if the window hasn't been configured yet, then do so now */
2631     if (!fullscreen && !max_vert && !max_horz) {
2632         self->area = oldarea;
2633         client_configure(self, x, y, w, h, FALSE, TRUE);
2634     }
2635
2636     /* set the desktop hint, to make sure that it always exists */
2637     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2638
2639     /* nothing to do for the other states:
2640        skip_taskbar
2641        skip_pager
2642        modal
2643        above
2644        below
2645     */
2646 }
2647
2648 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2649 {
2650     /* these should be the current values. this is for when you're not moving,
2651        just resizing */
2652     g_assert(*x == self->area.x);
2653     g_assert(oldw == self->area.width);
2654
2655     /* horizontal */
2656     switch (self->gravity) {
2657     default:
2658     case NorthWestGravity:
2659     case WestGravity:
2660     case SouthWestGravity:
2661     case StaticGravity:
2662     case ForgetGravity:
2663         break;
2664     case NorthGravity:
2665     case CenterGravity:
2666     case SouthGravity:
2667         *x -= (neww - oldw) / 2;
2668         break;
2669     case NorthEastGravity:
2670     case EastGravity:
2671     case SouthEastGravity:
2672         *x -= neww - oldw;
2673         break;
2674     }
2675 }
2676
2677 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2678 {
2679     /* these should be the current values. this is for when you're not moving,
2680        just resizing */
2681     g_assert(*y == self->area.y);
2682     g_assert(oldh == self->area.height);
2683
2684     /* vertical */
2685     switch (self->gravity) {
2686     default:
2687     case NorthWestGravity:
2688     case NorthGravity:
2689     case NorthEastGravity:
2690     case StaticGravity:
2691     case ForgetGravity:
2692         break;
2693     case WestGravity:
2694     case CenterGravity:
2695     case EastGravity:
2696         *y -= (newh - oldh) / 2;
2697         break;
2698     case SouthWestGravity:
2699     case SouthGravity:
2700     case SouthEastGravity:
2701         *y -= newh - oldh;
2702         break;
2703     }
2704 }
2705
2706 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2707                           gint *logicalw, gint *logicalh,
2708                           gboolean user)
2709 {
2710     Rect desired = {*x, *y, *w, *h};
2711     frame_rect_to_frame(self->frame, &desired);
2712
2713     /* make the frame recalculate its dimentions n shit without changing
2714        anything visible for real, this way the constraints below can work with
2715        the updated frame dimensions. */
2716     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2717
2718     /* gets the frame's position */
2719     frame_client_gravity(self->frame, x, y, *w, *h);
2720
2721     /* these positions are frame positions, not client positions */
2722
2723     /* set the size and position if fullscreen */
2724     if (self->fullscreen) {
2725         Rect *a;
2726         guint i;
2727
2728         i = screen_find_monitor(&desired);
2729         a = screen_physical_area_monitor(i);
2730
2731         *x = a->x;
2732         *y = a->y;
2733         *w = a->width;
2734         *h = a->height;
2735
2736         user = FALSE; /* ignore if the client can't be moved/resized when it
2737                          is fullscreening */
2738
2739         g_free(a);
2740     } else if (self->max_horz || self->max_vert) {
2741         Rect *a;
2742         guint i;
2743
2744         /* use all possible struts when maximizing to the full screen */
2745         i = screen_find_monitor(&desired);
2746         a = screen_area(self->desktop, i,
2747                         (self->max_horz && self->max_vert ? NULL : &desired));
2748
2749         /* set the size and position if maximized */
2750         if (self->max_horz) {
2751             *x = a->x;
2752             *w = a->width - self->frame->size.left - self->frame->size.right;
2753         }
2754         if (self->max_vert) {
2755             *y = a->y;
2756             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2757         }
2758
2759         user = FALSE; /* ignore if the client can't be moved/resized when it
2760                          is maximizing */
2761
2762         g_free(a);
2763     }
2764
2765     /* gets the client's position */
2766     frame_frame_gravity(self->frame, x, y, *w, *h);
2767
2768     /* work within the prefered sizes given by the window */
2769     if (!(*w == self->area.width && *h == self->area.height)) {
2770         gint basew, baseh, minw, minh;
2771         gint incw, inch;
2772         gfloat minratio, maxratio;
2773
2774         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2775         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2776         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2777             0 : self->min_ratio;
2778         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2779             0 : self->max_ratio;
2780
2781         /* base size is substituted with min size if not specified */
2782         if (self->base_size.width || self->base_size.height) {
2783             basew = self->base_size.width;
2784             baseh = self->base_size.height;
2785         } else {
2786             basew = self->min_size.width;
2787             baseh = self->min_size.height;
2788         }
2789         /* min size is substituted with base size if not specified */
2790         if (self->min_size.width || self->min_size.height) {
2791             minw = self->min_size.width;
2792             minh = self->min_size.height;
2793         } else {
2794             minw = self->base_size.width;
2795             minh = self->base_size.height;
2796         }
2797
2798         /* if this is a user-requested resize, then check against min/max
2799            sizes */
2800
2801         /* smaller than min size or bigger than max size? */
2802         if (*w > self->max_size.width) *w = self->max_size.width;
2803         if (*w < minw) *w = minw;
2804         if (*h > self->max_size.height) *h = self->max_size.height;
2805         if (*h < minh) *h = minh;
2806
2807         *w -= basew;
2808         *h -= baseh;
2809
2810         /* keep to the increments */
2811         *w /= incw;
2812         *h /= inch;
2813
2814         /* you cannot resize to nothing */
2815         if (basew + *w < 1) *w = 1 - basew;
2816         if (baseh + *h < 1) *h = 1 - baseh;
2817
2818         /* save the logical size */
2819         *logicalw = incw > 1 ? *w : *w + basew;
2820         *logicalh = inch > 1 ? *h : *h + baseh;
2821
2822         *w *= incw;
2823         *h *= inch;
2824
2825         *w += basew;
2826         *h += baseh;
2827
2828         /* adjust the height to match the width for the aspect ratios.
2829            for this, min size is not substituted for base size ever. */
2830         *w -= self->base_size.width;
2831         *h -= self->base_size.height;
2832
2833         if (minratio)
2834             if (*h * minratio > *w) {
2835                 *h = (gint)(*w / minratio);
2836
2837                 /* you cannot resize to nothing */
2838                 if (*h < 1) {
2839                     *h = 1;
2840                     *w = (gint)(*h * minratio);
2841                 }
2842             }
2843         if (maxratio)
2844             if (*h * maxratio < *w) {
2845                 *h = (gint)(*w / maxratio);
2846
2847                 /* you cannot resize to nothing */
2848                 if (*h < 1) {
2849                     *h = 1;
2850                     *w = (gint)(*h * minratio);
2851                 }
2852             }
2853
2854         *w += self->base_size.width;
2855         *h += self->base_size.height;
2856     }
2857
2858     /* these override the above states! if you cant move you can't move! */
2859     if (user) {
2860         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2861             *x = self->area.x;
2862             *y = self->area.y;
2863         }
2864         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2865             *w = self->area.width;
2866             *h = self->area.height;
2867         }
2868     }
2869
2870     g_assert(*w > 0);
2871     g_assert(*h > 0);
2872 }
2873
2874
2875 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2876                       gboolean user, gboolean final)
2877 {
2878     gint oldw, oldh;
2879     gboolean send_resize_client;
2880     gboolean moved = FALSE, resized = FALSE;
2881     gboolean fmoved, fresized;
2882     guint fdecor = self->frame->decorations;
2883     gboolean fhorz = self->frame->max_horz;
2884     gboolean fvert = self->frame->max_vert;
2885     gint logicalw, logicalh;
2886
2887     /* find the new x, y, width, and height (and logical size) */
2888     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2889
2890     /* set the logical size if things changed */
2891     if (!(w == self->area.width && h == self->area.height))
2892         SIZE_SET(self->logical_size, logicalw, logicalh);
2893
2894     /* figure out if we moved or resized or what */
2895     moved = (x != self->area.x || y != self->area.y);
2896     resized = (w != self->area.width || h != self->area.height);
2897
2898     oldw = self->area.width;
2899     oldh = self->area.height;
2900     RECT_SET(self->area, x, y, w, h);
2901
2902     /* for app-requested resizes, always resize if 'resized' is true.
2903        for user-requested ones, only resize if final is true, or when
2904        resizing in redraw mode */
2905     send_resize_client = ((!user && resized) ||
2906                           (user && (final ||
2907                                     (resized && config_resize_redraw))));
2908
2909     /* if the client is enlarging, then resize the client before the frame */
2910     if (send_resize_client && (w > oldw || h > oldh)) {
2911         XMoveResizeWindow(ob_display, self->window,
2912                           self->frame->size.left, self->frame->size.top,
2913                           MAX(w, oldw), MAX(h, oldh));
2914         frame_adjust_client_area(self->frame);
2915     }
2916
2917     /* find the frame's dimensions and move/resize it */
2918     fmoved = moved;
2919     fresized = resized;
2920
2921     /* if decorations changed, then readjust everything for the frame */
2922     if (self->decorations != fdecor ||
2923         self->max_horz != fhorz || self->max_vert != fvert)
2924     {
2925         fmoved = fresized = TRUE;
2926     }
2927
2928     /* adjust the frame */
2929     if (fmoved || fresized)
2930         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2931
2932     /* This is kinda tricky and should not be changed.. let me explain!
2933
2934        When user = FALSE, then the request is coming from the application
2935        itself, and we are more strict about when to send a synthetic
2936        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
2937        in this case.
2938
2939        When user = TRUE, then the request is coming from "us", like when we
2940        maximize a window or sometihng.  In this case we are more lenient.  We
2941        used to follow the same rules as above, but _Java_ Swing can't handle
2942        this. So just to appease Swing, when user = TRUE, we always send
2943        a synthetic ConfigureNotify to give the window its root coordinates.
2944     */
2945     if ((!user && !resized) || (user && final))
2946     {
2947         XEvent event;
2948
2949         /* we have reset the client to 0 border width, so don't include
2950            it in these coords */
2951         POINT_SET(self->root_pos,
2952                   self->frame->area.x + self->frame->size.left -
2953                   self->border_width,
2954                   self->frame->area.y + self->frame->size.top -
2955                   self->border_width);
2956
2957         event.type = ConfigureNotify;
2958         event.xconfigure.display = ob_display;
2959         event.xconfigure.event = self->window;
2960         event.xconfigure.window = self->window;
2961
2962         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2963                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2964
2965         /* root window real coords */
2966         event.xconfigure.x = self->root_pos.x;
2967         event.xconfigure.y = self->root_pos.y;
2968         event.xconfigure.width = w;
2969         event.xconfigure.height = h;
2970         event.xconfigure.border_width = self->border_width;
2971         event.xconfigure.above = None;
2972         event.xconfigure.override_redirect = FALSE;
2973         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2974                    FALSE, StructureNotifyMask, &event);
2975     }
2976
2977     /* if the client is shrinking, then resize the frame before the client.
2978
2979        both of these resize sections may run, because the top one only resizes
2980        in the direction that is growing
2981      */
2982     if (send_resize_client && (w <= oldw || h <= oldh)) {
2983         frame_adjust_client_area(self->frame);
2984         XMoveResizeWindow(ob_display, self->window,
2985                           self->frame->size.left, self->frame->size.top, w, h);
2986     }
2987
2988     XFlush(ob_display);
2989 }
2990
2991 void client_fullscreen(ObClient *self, gboolean fs)
2992 {
2993     gint x, y, w, h;
2994
2995     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2996         self->fullscreen == fs) return;                   /* already done */
2997
2998     self->fullscreen = fs;
2999     client_change_state(self); /* change the state hints on the client */
3000
3001     if (fs) {
3002         self->pre_fullscreen_area = self->area;
3003         /* if the window is maximized, its area isn't all that meaningful.
3004            save it's premax area instead. */
3005         if (self->max_horz) {
3006             self->pre_fullscreen_area.x = self->pre_max_area.x;
3007             self->pre_fullscreen_area.width = self->pre_max_area.width;
3008         }
3009         if (self->max_vert) {
3010             self->pre_fullscreen_area.y = self->pre_max_area.y;
3011             self->pre_fullscreen_area.height = self->pre_max_area.height;
3012         }
3013
3014         /* these will help configure_full figure out where to fullscreen
3015            the window */
3016         x = self->area.x;
3017         y = self->area.y;
3018         w = self->area.width;
3019         h = self->area.height;
3020     } else {
3021         g_assert(self->pre_fullscreen_area.width > 0 &&
3022                  self->pre_fullscreen_area.height > 0);
3023
3024         x = self->pre_fullscreen_area.x;
3025         y = self->pre_fullscreen_area.y;
3026         w = self->pre_fullscreen_area.width;
3027         h = self->pre_fullscreen_area.height;
3028         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3029     }
3030
3031     client_setup_decor_and_functions(self, FALSE);
3032     client_move_resize(self, x, y, w, h);
3033
3034     /* and adjust our layer/stacking. do this after resizing the window,
3035        and applying decorations, because windows which fill the screen are
3036        considered "fullscreen" and it affects their layer */
3037     client_calc_layer(self);
3038
3039     if (fs) {
3040         /* try focus us when we go into fullscreen mode */
3041         client_focus(self);
3042     }
3043 }
3044
3045 static void client_iconify_recursive(ObClient *self,
3046                                      gboolean iconic, gboolean curdesk,
3047                                      gboolean hide_animation)
3048 {
3049     GSList *it;
3050     gboolean changed = FALSE;
3051
3052
3053     if (self->iconic != iconic) {
3054         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3055                  self->window);
3056
3057         if (iconic) {
3058             /* don't let non-normal windows iconify along with their parents
3059                or whatever */
3060             if (client_normal(self)) {
3061                 self->iconic = iconic;
3062
3063                 /* update the focus lists.. iconic windows go to the bottom of
3064                    the list */
3065                 focus_order_to_bottom(self);
3066
3067                 changed = TRUE;
3068             }
3069         } else {
3070             self->iconic = iconic;
3071
3072             if (curdesk && self->desktop != screen_desktop &&
3073                 self->desktop != DESKTOP_ALL)
3074                 client_set_desktop(self, screen_desktop, FALSE);
3075
3076             /* this puts it after the current focused window */
3077             focus_order_remove(self);
3078             focus_order_add_new(self);
3079
3080             changed = TRUE;
3081         }
3082     }
3083
3084     if (changed) {
3085         client_change_state(self);
3086         if (config_animate_iconify && !hide_animation)
3087             frame_begin_iconify_animation(self->frame, iconic);
3088         /* do this after starting the animation so it doesn't flash */
3089         client_showhide(self);
3090     }
3091
3092     /* iconify all direct transients, and deiconify all transients
3093        (non-direct too) */
3094     for (it = self->transients; it; it = g_slist_next(it))
3095         if (it->data != self)
3096             if (client_is_direct_child(self, it->data) || !iconic)
3097                 client_iconify_recursive(it->data, iconic, curdesk,
3098                                          hide_animation);
3099 }
3100
3101 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3102                     gboolean hide_animation)
3103 {
3104     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3105         /* move up the transient chain as far as possible first */
3106         self = client_search_top_direct_parent(self);
3107         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3108     }
3109 }
3110
3111 void client_maximize(ObClient *self, gboolean max, gint dir)
3112 {
3113     gint x, y, w, h;
3114
3115     g_assert(dir == 0 || dir == 1 || dir == 2);
3116     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3117
3118     /* check if already done */
3119     if (max) {
3120         if (dir == 0 && self->max_horz && self->max_vert) return;
3121         if (dir == 1 && self->max_horz) return;
3122         if (dir == 2 && self->max_vert) return;
3123     } else {
3124         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3125         if (dir == 1 && !self->max_horz) return;
3126         if (dir == 2 && !self->max_vert) return;
3127     }
3128
3129     /* these will help configure_full figure out which screen to fill with
3130        the window */
3131     x = self->area.x;
3132     y = self->area.y;
3133     w = self->area.width;
3134     h = self->area.height;
3135
3136     if (max) {
3137         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3138             RECT_SET(self->pre_max_area,
3139                      self->area.x, self->pre_max_area.y,
3140                      self->area.width, self->pre_max_area.height);
3141         }
3142         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3143             RECT_SET(self->pre_max_area,
3144                      self->pre_max_area.x, self->area.y,
3145                      self->pre_max_area.width, self->area.height);
3146         }
3147     } else {
3148         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3149             g_assert(self->pre_max_area.width > 0);
3150
3151             x = self->pre_max_area.x;
3152             w = self->pre_max_area.width;
3153
3154             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3155                      0, self->pre_max_area.height);
3156         }
3157         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3158             g_assert(self->pre_max_area.height > 0);
3159
3160             y = self->pre_max_area.y;
3161             h = self->pre_max_area.height;
3162
3163             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3164                      self->pre_max_area.width, 0);
3165         }
3166     }
3167
3168     if (dir == 0 || dir == 1) /* horz */
3169         self->max_horz = max;
3170     if (dir == 0 || dir == 2) /* vert */
3171         self->max_vert = max;
3172
3173     client_change_state(self); /* change the state hints on the client */
3174
3175     client_setup_decor_and_functions(self, FALSE);
3176     client_move_resize(self, x, y, w, h);
3177 }
3178
3179 void client_shade(ObClient *self, gboolean shade)
3180 {
3181     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3182          shade) ||                         /* can't shade */
3183         self->shaded == shade) return;     /* already done */
3184
3185     self->shaded = shade;
3186     client_change_state(self);
3187     client_change_wm_state(self); /* the window is being hidden/shown */
3188     /* resize the frame to just the titlebar */
3189     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3190 }
3191
3192 void client_close(ObClient *self)
3193 {
3194     XEvent ce;
3195
3196     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3197
3198     /* in the case that the client provides no means to requesting that it
3199        close, we just kill it */
3200     if (!self->delete_window)
3201         client_kill(self);
3202
3203     /*
3204       XXX: itd be cool to do timeouts and shit here for killing the client's
3205       process off
3206       like... if the window is around after 5 seconds, then the close button
3207       turns a nice red, and if this function is called again, the client is
3208       explicitly killed.
3209     */
3210
3211     ce.xclient.type = ClientMessage;
3212     ce.xclient.message_type =  prop_atoms.wm_protocols;
3213     ce.xclient.display = ob_display;
3214     ce.xclient.window = self->window;
3215     ce.xclient.format = 32;
3216     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3217     ce.xclient.data.l[1] = event_curtime;
3218     ce.xclient.data.l[2] = 0l;
3219     ce.xclient.data.l[3] = 0l;
3220     ce.xclient.data.l[4] = 0l;
3221     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3222 }
3223
3224 void client_kill(ObClient *self)
3225 {
3226     XKillClient(ob_display, self->window);
3227 }
3228
3229 void client_hilite(ObClient *self, gboolean hilite)
3230 {
3231     if (self->demands_attention == hilite)
3232         return; /* no change */
3233
3234     /* don't allow focused windows to hilite */
3235     self->demands_attention = hilite && !client_focused(self);
3236     if (self->frame != NULL) { /* if we're mapping, just set the state */
3237         if (self->demands_attention)
3238             frame_flash_start(self->frame);
3239         else
3240             frame_flash_stop(self->frame);
3241         client_change_state(self);
3242     }
3243 }
3244
3245 void client_set_desktop_recursive(ObClient *self,
3246                                   guint target,
3247                                   gboolean donthide)
3248 {
3249     guint old;
3250     GSList *it;
3251
3252     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3253
3254         ob_debug("Setting desktop %u\n", target+1);
3255
3256         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3257
3258         old = self->desktop;
3259         self->desktop = target;
3260         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3261         /* the frame can display the current desktop state */
3262         frame_adjust_state(self->frame);
3263         /* 'move' the window to the new desktop */
3264         if (!donthide)
3265             client_showhide(self);
3266         /* raise if it was not already on the desktop */
3267         if (old != DESKTOP_ALL)
3268             stacking_raise(CLIENT_AS_WINDOW(self));
3269         if (STRUT_EXISTS(self->strut))
3270             screen_update_areas();
3271         else
3272             /* the new desktop's geometry may be different, so we may need to
3273                resize, for example if we are maximized */
3274             client_reconfigure(self, FALSE);
3275     }
3276
3277     /* move all transients */
3278     for (it = self->transients; it; it = g_slist_next(it))
3279         if (it->data != self)
3280             if (client_is_direct_child(self, it->data))
3281                 client_set_desktop_recursive(it->data, target, donthide);
3282 }
3283
3284 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
3285 {
3286     self = client_search_top_direct_parent(self);
3287     client_set_desktop_recursive(self, target, donthide);
3288 }
3289
3290 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3291 {
3292     while (child != parent && (child = client_direct_parent(child)));
3293     return child == parent;
3294 }
3295
3296 ObClient *client_search_modal_child(ObClient *self)
3297 {
3298     GSList *it;
3299     ObClient *ret;
3300
3301     for (it = self->transients; it; it = g_slist_next(it)) {
3302         ObClient *c = it->data;
3303         if ((ret = client_search_modal_child(c))) return ret;
3304         if (c->modal) return c;
3305     }
3306     return NULL;
3307 }
3308
3309 gboolean client_validate(ObClient *self)
3310 {
3311     XEvent e;
3312
3313     XSync(ob_display, FALSE); /* get all events on the server */
3314
3315     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3316         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3317         XPutBackEvent(ob_display, &e);
3318         return FALSE;
3319     }
3320
3321     return TRUE;
3322 }
3323
3324 void client_set_wm_state(ObClient *self, glong state)
3325 {
3326     if (state == self->wmstate) return; /* no change */
3327
3328     switch (state) {
3329     case IconicState:
3330         client_iconify(self, TRUE, TRUE, FALSE);
3331         break;
3332     case NormalState:
3333         client_iconify(self, FALSE, TRUE, FALSE);
3334         break;
3335     }
3336 }
3337
3338 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3339 {
3340     gboolean shaded = self->shaded;
3341     gboolean fullscreen = self->fullscreen;
3342     gboolean undecorated = self->undecorated;
3343     gboolean max_horz = self->max_horz;
3344     gboolean max_vert = self->max_vert;
3345     gboolean modal = self->modal;
3346     gboolean iconic = self->iconic;
3347     gboolean demands_attention = self->demands_attention;
3348     gboolean above = self->above;
3349     gboolean below = self->below;
3350     gint i;
3351
3352     if (!(action == prop_atoms.net_wm_state_add ||
3353           action == prop_atoms.net_wm_state_remove ||
3354           action == prop_atoms.net_wm_state_toggle))
3355         /* an invalid action was passed to the client message, ignore it */
3356         return;
3357
3358     for (i = 0; i < 2; ++i) {
3359         Atom state = i == 0 ? data1 : data2;
3360
3361         if (!state) continue;
3362
3363         /* if toggling, then pick whether we're adding or removing */
3364         if (action == prop_atoms.net_wm_state_toggle) {
3365             if (state == prop_atoms.net_wm_state_modal)
3366                 action = modal ? prop_atoms.net_wm_state_remove :
3367                     prop_atoms.net_wm_state_add;
3368             else if (state == prop_atoms.net_wm_state_maximized_vert)
3369                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3370                     prop_atoms.net_wm_state_add;
3371             else if (state == prop_atoms.net_wm_state_maximized_horz)
3372                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3373                     prop_atoms.net_wm_state_add;
3374             else if (state == prop_atoms.net_wm_state_shaded)
3375                 action = shaded ? prop_atoms.net_wm_state_remove :
3376                     prop_atoms.net_wm_state_add;
3377             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3378                 action = self->skip_taskbar ?
3379                     prop_atoms.net_wm_state_remove :
3380                     prop_atoms.net_wm_state_add;
3381             else if (state == prop_atoms.net_wm_state_skip_pager)
3382                 action = self->skip_pager ?
3383                     prop_atoms.net_wm_state_remove :
3384                     prop_atoms.net_wm_state_add;
3385             else if (state == prop_atoms.net_wm_state_hidden)
3386                 action = self->iconic ?
3387                     prop_atoms.net_wm_state_remove :
3388                     prop_atoms.net_wm_state_add;
3389             else if (state == prop_atoms.net_wm_state_fullscreen)
3390                 action = fullscreen ?
3391                     prop_atoms.net_wm_state_remove :
3392                     prop_atoms.net_wm_state_add;
3393             else if (state == prop_atoms.net_wm_state_above)
3394                 action = self->above ? prop_atoms.net_wm_state_remove :
3395                     prop_atoms.net_wm_state_add;
3396             else if (state == prop_atoms.net_wm_state_below)
3397                 action = self->below ? prop_atoms.net_wm_state_remove :
3398                     prop_atoms.net_wm_state_add;
3399             else if (state == prop_atoms.net_wm_state_demands_attention)
3400                 action = self->demands_attention ?
3401                     prop_atoms.net_wm_state_remove :
3402                     prop_atoms.net_wm_state_add;
3403             else if (state == prop_atoms.ob_wm_state_undecorated)
3404                 action = undecorated ? prop_atoms.net_wm_state_remove :
3405                     prop_atoms.net_wm_state_add;
3406         }
3407
3408         if (action == prop_atoms.net_wm_state_add) {
3409             if (state == prop_atoms.net_wm_state_modal) {
3410                 modal = TRUE;
3411             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3412                 max_vert = TRUE;
3413             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3414                 max_horz = TRUE;
3415             } else if (state == prop_atoms.net_wm_state_shaded) {
3416                 shaded = TRUE;
3417             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3418                 self->skip_taskbar = TRUE;
3419             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3420                 self->skip_pager = TRUE;
3421             } else if (state == prop_atoms.net_wm_state_hidden) {
3422                 iconic = TRUE;
3423             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3424                 fullscreen = TRUE;
3425             } else if (state == prop_atoms.net_wm_state_above) {
3426                 above = TRUE;
3427                 below = FALSE;
3428             } else if (state == prop_atoms.net_wm_state_below) {
3429                 above = FALSE;
3430                 below = TRUE;
3431             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3432                 demands_attention = TRUE;
3433             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3434                 undecorated = TRUE;
3435             }
3436
3437         } else { /* action == prop_atoms.net_wm_state_remove */
3438             if (state == prop_atoms.net_wm_state_modal) {
3439                 modal = FALSE;
3440             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3441                 max_vert = FALSE;
3442             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3443                 max_horz = FALSE;
3444             } else if (state == prop_atoms.net_wm_state_shaded) {
3445                 shaded = FALSE;
3446             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3447                 self->skip_taskbar = FALSE;
3448             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3449                 self->skip_pager = FALSE;
3450             } else if (state == prop_atoms.net_wm_state_hidden) {
3451                 iconic = FALSE;
3452             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3453                 fullscreen = FALSE;
3454             } else if (state == prop_atoms.net_wm_state_above) {
3455                 above = FALSE;
3456             } else if (state == prop_atoms.net_wm_state_below) {
3457                 below = FALSE;
3458             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3459                 demands_attention = FALSE;
3460             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3461                 undecorated = FALSE;
3462             }
3463         }
3464     }
3465
3466     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3467         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3468             /* toggling both */
3469             if (max_horz == max_vert) { /* both going the same way */
3470                 client_maximize(self, max_horz, 0);
3471             } else {
3472                 client_maximize(self, max_horz, 1);
3473                 client_maximize(self, max_vert, 2);
3474             }
3475         } else {
3476             /* toggling one */
3477             if (max_horz != self->max_horz)
3478                 client_maximize(self, max_horz, 1);
3479             else
3480                 client_maximize(self, max_vert, 2);
3481         }
3482     }
3483     /* change fullscreen state before shading, as it will affect if the window
3484        can shade or not */
3485     if (fullscreen != self->fullscreen)
3486         client_fullscreen(self, fullscreen);
3487     if (shaded != self->shaded)
3488         client_shade(self, shaded);
3489     if (undecorated != self->undecorated)
3490         client_set_undecorated(self, undecorated);
3491     if (above != self->above || below != self->below) {
3492         self->above = above;
3493         self->below = below;
3494         client_calc_layer(self);
3495     }
3496
3497     if (modal != self->modal) {
3498         self->modal = modal;
3499         /* when a window changes modality, then its stacking order with its
3500            transients needs to change */
3501         stacking_raise(CLIENT_AS_WINDOW(self));
3502
3503         /* it also may get focused. if something is focused that shouldn't
3504            be focused anymore, then move the focus */
3505         if (focus_client && client_focus_target(focus_client) != focus_client)
3506             client_focus(focus_client);
3507     }
3508
3509     if (iconic != self->iconic)
3510         client_iconify(self, iconic, FALSE, FALSE);
3511
3512     if (demands_attention != self->demands_attention)
3513         client_hilite(self, demands_attention);
3514
3515     client_change_state(self); /* change the hint to reflect these changes */
3516 }
3517
3518 ObClient *client_focus_target(ObClient *self)
3519 {
3520     ObClient *child = NULL;
3521
3522     child = client_search_modal_child(self);
3523     if (child) return child;
3524     return self;
3525 }
3526
3527 gboolean client_can_focus(ObClient *self)
3528 {
3529     /* choose the correct target */
3530     self = client_focus_target(self);
3531
3532     if (!self->frame->visible)
3533         return FALSE;
3534
3535     if (!(self->can_focus || self->focus_notify))
3536         return FALSE;
3537
3538     return TRUE;
3539 }
3540
3541 gboolean client_focus(ObClient *self)
3542 {
3543     /* we might not focus this window, so if we have modal children which would
3544        be focused instead, bring them to this desktop */
3545     client_bring_modal_windows(self);
3546
3547     /* choose the correct target */
3548     self = client_focus_target(self);
3549
3550     if (!client_can_focus(self)) {
3551         ob_debug_type(OB_DEBUG_FOCUS,
3552                       "Client %s can't be focused\n", self->title);
3553         return FALSE;
3554     }
3555
3556     ob_debug_type(OB_DEBUG_FOCUS,
3557                   "Focusing client \"%s\" (0x%x) at time %u\n",
3558                   self->title, self->window, event_curtime);
3559
3560     /* if there is a grab going on, then we need to cancel it. if we move
3561        focus during the grab, applications will get NotifyWhileGrabbed events
3562        and ignore them !
3563
3564        actions should not rely on being able to move focus during an
3565        interactive grab.
3566     */
3567     event_cancel_all_key_grabs();
3568
3569     xerror_set_ignore(TRUE);
3570     xerror_occured = FALSE;
3571
3572     if (self->can_focus) {
3573         /* This can cause a BadMatch error with CurrentTime, or if an app
3574            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3575         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3576                        event_curtime);
3577     }
3578
3579     if (self->focus_notify) {
3580         XEvent ce;
3581         ce.xclient.type = ClientMessage;
3582         ce.xclient.message_type = prop_atoms.wm_protocols;
3583         ce.xclient.display = ob_display;
3584         ce.xclient.window = self->window;
3585         ce.xclient.format = 32;
3586         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3587         ce.xclient.data.l[1] = event_curtime;
3588         ce.xclient.data.l[2] = 0l;
3589         ce.xclient.data.l[3] = 0l;
3590         ce.xclient.data.l[4] = 0l;
3591         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3592     }
3593
3594     xerror_set_ignore(FALSE);
3595
3596     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3597     return !xerror_occured;
3598 }
3599
3600 /*! Present the client to the user.
3601   @param raise If the client should be raised or not. You should only set
3602                raise to false if you don't care if the window is completely
3603                hidden.
3604 */
3605 static void client_present(ObClient *self, gboolean here, gboolean raise)
3606 {
3607     /* if using focus_delay, stop the timer now so that focus doesn't
3608        go moving on us */
3609     event_halt_focus_delay();
3610
3611     if (client_normal(self) && screen_showing_desktop)
3612         screen_show_desktop(FALSE, self);
3613     if (self->iconic)
3614         client_iconify(self, FALSE, here, FALSE);
3615     if (self->desktop != DESKTOP_ALL &&
3616         self->desktop != screen_desktop)
3617     {
3618         if (here)
3619             client_set_desktop(self, screen_desktop, FALSE);
3620         else
3621             screen_set_desktop(self->desktop, FALSE);
3622     } else if (!self->frame->visible)
3623         /* if its not visible for other reasons, then don't mess
3624            with it */
3625         return;
3626     if (self->shaded)
3627         client_shade(self, FALSE);
3628     if (raise)
3629         stacking_raise(CLIENT_AS_WINDOW(self));
3630
3631     client_focus(self);
3632 }
3633
3634 void client_activate(ObClient *self, gboolean here, gboolean user)
3635 {
3636     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3637     gboolean allow = FALSE;
3638
3639     /* if the currently focused app doesn't set a user_time, then it can't
3640        benefit from any focus stealing prevention.
3641
3642        if the timestamp is missing in the request then let it go through
3643        even if it is source=app, because EVERY APPLICATION DOES THIS because
3644        GTK IS VERY BUGGY AND HARDCODES source=application... WHY!?
3645     */
3646     if (!last_time || !event_curtime)
3647         allow = TRUE;
3648     /* otherwise, if they didn't give a time stamp or if it is too old, they
3649        don't get focus */
3650     else
3651         allow = event_time_after(event_curtime, last_time);
3652
3653     ob_debug_type(OB_DEBUG_FOCUS,
3654                   "Want to activate window 0x%x with time %u (last time %u), "
3655                   "source=%s allowing? %d\n",
3656                   self->window, event_curtime, last_time,
3657                   (user ? "user" : "application"), allow);
3658
3659     if (allow)
3660         client_present(self, here, TRUE);
3661     else
3662         /* don't focus it but tell the user it wants attention */
3663         client_hilite(self, TRUE);
3664 }
3665
3666 static void client_bring_windows_recursive(ObClient *self,
3667                                            guint desktop,
3668                                            gboolean helpers,
3669                                            gboolean modals,
3670                                            gboolean iconic)
3671 {
3672     GSList *it;
3673
3674     for (it = self->transients; it; it = g_slist_next(it))
3675         client_bring_windows_recursive(it->data, desktop,
3676                                        helpers, modals, iconic);
3677
3678     if (((helpers && client_helper(self)) ||
3679          (modals && self->modal)) &&
3680         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3681          (iconic && self->iconic)))
3682     {
3683         if (iconic && self->iconic)
3684             client_iconify(self, FALSE, TRUE, FALSE);
3685         else
3686             client_set_desktop(self, desktop, FALSE);
3687     }
3688 }
3689
3690 void client_bring_helper_windows(ObClient *self)
3691 {
3692     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3693 }
3694
3695 void client_bring_modal_windows(ObClient *self)
3696 {
3697     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3698 }
3699
3700 gboolean client_focused(ObClient *self)
3701 {
3702     return self == focus_client;
3703 }
3704
3705 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3706 {
3707     guint i;
3708     gulong min_diff, min_i;
3709
3710     if (!self->nicons) {
3711         ObClientIcon *parent = NULL;
3712         GSList *it;
3713
3714         for (it = self->parents; it; it = g_slist_next(it)) {
3715             ObClient *c = it->data;
3716             if ((parent = client_icon_recursive(c, w, h)))
3717                 break;
3718         }
3719
3720         return parent;
3721     }
3722
3723     /* some kind of crappy approximation to find the icon closest in size to
3724        what we requested, but icons are generally all the same ratio as
3725        eachother so it's good enough. */
3726
3727     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3728     min_i = 0;
3729
3730     for (i = 1; i < self->nicons; ++i) {
3731         gulong diff;
3732
3733         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3734         if (diff < min_diff) {
3735             min_diff = diff;
3736             min_i = i;
3737         }
3738     }
3739     return &self->icons[min_i];
3740 }
3741
3742 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3743 {
3744     ObClientIcon *ret;
3745     static ObClientIcon deficon;
3746
3747     if (!(ret = client_icon_recursive(self, w, h))) {
3748         deficon.width = deficon.height = 48;
3749         deficon.data = ob_rr_theme->def_win_icon;
3750         ret = &deficon;
3751     }
3752     return ret;
3753 }
3754
3755 void client_set_layer(ObClient *self, gint layer)
3756 {
3757     if (layer < 0) {
3758         self->below = TRUE;
3759         self->above = FALSE;
3760     } else if (layer == 0) {
3761         self->below = self->above = FALSE;
3762     } else {
3763         self->below = FALSE;
3764         self->above = TRUE;
3765     }
3766     client_calc_layer(self);
3767     client_change_state(self); /* reflect this in the state hints */
3768 }
3769
3770 void client_set_undecorated(ObClient *self, gboolean undecorated)
3771 {
3772     if (self->undecorated != undecorated &&
3773         /* don't let it undecorate if the function is missing, but let
3774            it redecorate */
3775         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3776     {
3777         self->undecorated = undecorated;
3778         client_setup_decor_and_functions(self, TRUE);
3779         client_change_state(self); /* reflect this in the state hints */
3780     }
3781 }
3782
3783 guint client_monitor(ObClient *self)
3784 {
3785     return screen_find_monitor(&self->frame->area);
3786 }
3787
3788 ObClient *client_direct_parent(ObClient *self)
3789 {
3790     if (!self->parents) return NULL;
3791     if (self->transient_for_group) return NULL;
3792     return self->parents->data;
3793 }
3794
3795 ObClient *client_search_top_direct_parent(ObClient *self)
3796 {
3797     ObClient *p;
3798     while ((p = client_direct_parent(self))) self = p;
3799     return self;
3800 }
3801
3802 static GSList *client_search_all_top_parents_internal(ObClient *self,
3803                                                       gboolean bylayer,
3804                                                       ObStackingLayer layer)
3805 {
3806     GSList *ret;
3807     ObClient *p;
3808
3809     /* move up the direct transient chain as far as possible */
3810     while ((p = client_direct_parent(self)) &&
3811            (!bylayer || p->layer == layer))
3812         self = p;
3813
3814     if (!self->parents)
3815         ret = g_slist_prepend(NULL, self);
3816     else
3817         ret = g_slist_copy(self->parents);
3818
3819     return ret;
3820 }
3821
3822 GSList *client_search_all_top_parents(ObClient *self)
3823 {
3824     return client_search_all_top_parents_internal(self, FALSE, 0);
3825 }
3826
3827 GSList *client_search_all_top_parents_layer(ObClient *self)
3828 {
3829     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3830 }
3831
3832 ObClient *client_search_focus_parent(ObClient *self)
3833 {
3834     GSList *it;
3835
3836     for (it = self->parents; it; it = g_slist_next(it))
3837         if (client_focused(it->data)) return it->data;
3838
3839     return NULL;
3840 }
3841
3842 ObClient *client_search_parent(ObClient *self, ObClient *search)
3843 {
3844     GSList *it;
3845
3846     for (it = self->parents; it; it = g_slist_next(it))
3847         if (it->data == search) return search;
3848
3849     return NULL;
3850 }
3851
3852 ObClient *client_search_transient(ObClient *self, ObClient *search)
3853 {
3854     GSList *sit;
3855
3856     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3857         if (sit->data == search)
3858             return search;
3859         if (client_search_transient(sit->data, search))
3860             return search;
3861     }
3862     return NULL;
3863 }
3864
3865 #define WANT_EDGE(cur, c) \
3866             if (cur == c)                                                     \
3867                 continue;                                                     \
3868             if (c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&  \
3869                 cur->desktop != screen_desktop)                               \
3870                 continue;                                                     \
3871             if (cur->iconic)                                                  \
3872                 continue;
3873
3874 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3875             if ((his_edge_start >= my_edge_start && \
3876                  his_edge_start <= my_edge_end) ||  \
3877                 (my_edge_start >= his_edge_start && \
3878                  my_edge_start <= his_edge_end))    \
3879                 dest = his_offset;
3880
3881 /* finds the nearest edge in the given direction from the current client
3882  * note to self: the edge is the -frame- edge (the actual one), not the
3883  * client edge.
3884  */
3885 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3886 {
3887     gint dest, monitor_dest;
3888     gint my_edge_start, my_edge_end, my_offset;
3889     GList *it;
3890     Rect *a, *mon;
3891
3892     if(!client_list)
3893         return -1;
3894
3895     a = screen_area(c->desktop, SCREEN_AREA_ALL_MONITORS, &c->frame->area);
3896     mon = screen_area(c->desktop, SCREEN_AREA_ONE_MONITOR, &c->frame->area);
3897
3898     switch(dir) {
3899     case OB_DIRECTION_NORTH:
3900         my_edge_start = c->frame->area.x;
3901         my_edge_end = c->frame->area.x + c->frame->area.width;
3902         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3903
3904         /* default: top of screen */
3905         dest = a->y + (hang ? c->frame->area.height : 0);
3906         monitor_dest = mon->y + (hang ? c->frame->area.height : 0);
3907         /* if the monitor edge comes before the screen edge, */
3908         /* use that as the destination instead. (For xinerama) */
3909         if (monitor_dest != dest && my_offset > monitor_dest)
3910             dest = monitor_dest;
3911
3912         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3913             gint his_edge_start, his_edge_end, his_offset;
3914             ObClient *cur = it->data;
3915
3916             WANT_EDGE(cur, c)
3917
3918             his_edge_start = cur->frame->area.x;
3919             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3920             his_offset = cur->frame->area.y +
3921                          (hang ? 0 : cur->frame->area.height);
3922
3923             if(his_offset + 1 > my_offset)
3924                 continue;
3925
3926             if(his_offset < dest)
3927                 continue;
3928
3929             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3930         }
3931         break;
3932     case OB_DIRECTION_SOUTH:
3933         my_edge_start = c->frame->area.x;
3934         my_edge_end = c->frame->area.x + c->frame->area.width;
3935         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3936
3937         /* default: bottom of screen */
3938         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3939         monitor_dest = mon->y + mon->height -
3940                        (hang ? c->frame->area.height : 0);
3941         /* if the monitor edge comes before the screen edge, */
3942         /* use that as the destination instead. (For xinerama) */
3943         if (monitor_dest != dest && my_offset < monitor_dest)
3944             dest = monitor_dest;
3945
3946         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3947             gint his_edge_start, his_edge_end, his_offset;
3948             ObClient *cur = it->data;
3949
3950             WANT_EDGE(cur, c)
3951
3952             his_edge_start = cur->frame->area.x;
3953             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3954             his_offset = cur->frame->area.y +
3955                          (hang ? cur->frame->area.height : 0);
3956
3957
3958             if(his_offset - 1 < my_offset)
3959                 continue;
3960
3961             if(his_offset > dest)
3962                 continue;
3963
3964             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3965         }
3966         break;
3967     case OB_DIRECTION_WEST:
3968         my_edge_start = c->frame->area.y;
3969         my_edge_end = c->frame->area.y + c->frame->area.height;
3970         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3971
3972         /* default: leftmost egde of screen */
3973         dest = a->x + (hang ? c->frame->area.width : 0);
3974         monitor_dest = mon->x + (hang ? c->frame->area.width : 0);
3975         /* if the monitor edge comes before the screen edge, */
3976         /* use that as the destination instead. (For xinerama) */
3977         if (monitor_dest != dest && my_offset > monitor_dest)
3978             dest = monitor_dest;
3979
3980         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3981             gint his_edge_start, his_edge_end, his_offset;
3982             ObClient *cur = it->data;
3983
3984             WANT_EDGE(cur, c)
3985
3986             his_edge_start = cur->frame->area.y;
3987             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3988             his_offset = cur->frame->area.x +
3989                          (hang ? 0 : cur->frame->area.width);
3990
3991             if(his_offset + 1 > my_offset)
3992                 continue;
3993
3994             if(his_offset < dest)
3995                 continue;
3996
3997             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3998         }
3999        break;
4000     case OB_DIRECTION_EAST:
4001         my_edge_start = c->frame->area.y;
4002         my_edge_end = c->frame->area.y + c->frame->area.height;
4003         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
4004
4005         /* default: rightmost edge of screen */
4006         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
4007         monitor_dest = mon->x + mon->width -
4008                        (hang ? c->frame->area.width : 0);
4009         /* if the monitor edge comes before the screen edge, */
4010         /* use that as the destination instead. (For xinerama) */
4011         if (monitor_dest != dest && my_offset < monitor_dest)
4012             dest = monitor_dest;
4013
4014         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
4015             gint his_edge_start, his_edge_end, his_offset;
4016             ObClient *cur = it->data;
4017
4018             WANT_EDGE(cur, c)
4019
4020             his_edge_start = cur->frame->area.y;
4021             his_edge_end = cur->frame->area.y + cur->frame->area.height;
4022             his_offset = cur->frame->area.x +
4023                          (hang ? cur->frame->area.width : 0);
4024
4025             if(his_offset - 1 < my_offset)
4026                 continue;
4027
4028             if(his_offset > dest)
4029                 continue;
4030
4031             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
4032         }
4033         break;
4034     case OB_DIRECTION_NORTHEAST:
4035     case OB_DIRECTION_SOUTHEAST:
4036     case OB_DIRECTION_NORTHWEST:
4037     case OB_DIRECTION_SOUTHWEST:
4038         /* not implemented */
4039     default:
4040         g_assert_not_reached();
4041         dest = 0; /* suppress warning */
4042     }
4043
4044     g_free(a);
4045     g_free(mon);
4046     return dest;
4047 }
4048
4049 ObClient* client_under_pointer()
4050 {
4051     gint x, y;
4052     GList *it;
4053     ObClient *ret = NULL;
4054
4055     if (screen_pointer_pos(&x, &y)) {
4056         for (it = stacking_list; it; it = g_list_next(it)) {
4057             if (WINDOW_IS_CLIENT(it->data)) {
4058                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4059                 if (c->frame->visible &&
4060                     /* check the desktop, this is done during desktop
4061                        switching and windows are shown/hidden status is not
4062                        reliable */
4063                     (c->desktop == screen_desktop ||
4064                      c->desktop == DESKTOP_ALL) &&
4065                     /* ignore all animating windows */
4066                     !frame_iconify_animating(c->frame) &&
4067                     RECT_CONTAINS(c->frame->area, x, y))
4068                 {
4069                     ret = c;
4070                     break;
4071                 }
4072             }
4073         }
4074     }
4075     return ret;
4076 }
4077
4078 gboolean client_has_group_siblings(ObClient *self)
4079 {
4080     return self->group && self->group->members->next;
4081 }