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                            gboolean unshade);
  93 static GSList *client_search_all_top_parents_internal(ObClient *self,
  94                                                       gboolean bylayer,
  95                                                       ObStackingLayer layer);
  96 static void client_call_notifies(ObClient *self, GSList *list);
  97
  98
  99 void client_startup(gboolean reconfig)
 100 {
 101     if (reconfig) return;
 102
 103     client_set_list();
 104 }
 105
 106 void client_shutdown(gboolean reconfig)
 107 {
 108     if (reconfig) return;
 109 }
 110
 111 static void client_call_notifies(ObClient *self, GSList *list)
 112 {
 113     GSList *it;
 114
 115     for (it = list; it; it = g_slist_next(it)) {
 116         ClientCallback *d = it->data;
 117         d->func(self, d->data);
 118     }
 119 }
 120
 121 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 122 {
 123     ClientCallback *d = g_new(ClientCallback, 1);
 124     d->func = func;
 125     d->data = data;
 126     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 127 }
 128
 129 void client_remove_destroy_notify(ObClientCallback func)
 130 {
 131     GSList *it;
 132
 133     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 134         ClientCallback *d = it->data;
 135         if (d->func == func) {
 136             g_free(d);
 137             client_destroy_notifies =
 138                 g_slist_delete_link(client_destroy_notifies, it);
 139             break;
 140         }
 141     }
 142 }
 143
 144 void client_set_list()
 145 {
 146     Window *windows, *win_it;
 147     GList *it;
 148     guint size = g_list_length(client_list);
 149
 150     /* create an array of the window ids */
 151     if (size > 0) {
 152         windows = g_new(Window, size);
 153         win_it = windows;
 154         for (it = client_list; it; it = g_list_next(it), ++win_it)
 155             *win_it = ((ObClient*)it->data)->window;
 156     } else
 157         windows = NULL;
 158
 159     PROP_SETA32(RootWindow(ob_display, ob_screen),
 160                 net_client_list, window, (gulong*)windows, size);
 161
 162     if (windows)
 163         g_free(windows);
 164
 165     stacking_set_list();
 166 }
 167
 168 void client_manage_all()
 169 {
 170     guint i, j, nchild;
 171     Window w, *children;
 172     XWMHints *wmhints;
 173     XWindowAttributes attrib;
 174
 175     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 176                &w, &w, &children, &nchild);
 177
 178     /* remove all icon windows from the list */
 179     for (i = 0; i < nchild; i++) {
 180         if (children[i] == None) continue;
 181         wmhints = XGetWMHints(ob_display, children[i]);
 182         if (wmhints) {
 183             if ((wmhints->flags & IconWindowHint) &&
 184                 (wmhints->icon_window != children[i]))
 185                 for (j = 0; j < nchild; j++)
 186                     if (children[j] == wmhints->icon_window) {
 187                         children[j] = None;
 188                         break;
 189                     }
 190             XFree(wmhints);
 191         }
 192     }
 193
 194     for (i = 0; i < nchild; ++i) {
 195         if (children[i] == None)
 196             continue;
 197         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 198             if (attrib.override_redirect) continue;
 199
 200             if (attrib.map_state != IsUnmapped)
 201                 client_manage(children[i]);
 202         }
 203     }
 204     XFree(children);
 205 }
 206
 207 void client_manage(Window window)
 208 {
 209     ObClient *self;
 210     XEvent e;
 211     XWindowAttributes attrib;
 212     XSetWindowAttributes attrib_set;
 213     XWMHints *wmhint;
 214     gboolean activate = FALSE;
 215     ObAppSettings *settings;
 216     gint placex, placey, placew, placeh;
 217     gboolean transient = FALSE;
 218
 219     grab_server(TRUE);
 220
 221     /* check if it has already been unmapped by the time we started
 222        mapping. the grab does a sync so we don't have to here */
 223     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 224         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 225     {
 226         XPutBackEvent(ob_display, &e);
 227
 228         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 229         grab_server(FALSE);
 230         return; /* don't manage it */
 231     }
 232
 233     /* make sure it isn't an override-redirect window */
 234     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 235         attrib.override_redirect)
 236     {
 237         grab_server(FALSE);
 238         return; /* don't manage it */
 239     }
 240
 241     /* is the window a docking app */
 242     if ((wmhint = XGetWMHints(ob_display, window))) {
 243         if ((wmhint->flags & StateHint) &&
 244             wmhint->initial_state == WithdrawnState)
 245         {
 246             dock_add(window, wmhint);
 247             grab_server(FALSE);
 248             XFree(wmhint);
 249             return;
 250         }
 251         XFree(wmhint);
 252     }
 253
 254     ob_debug("Managing window: 0x%lx\n", window);
 255
 256     /* choose the events we want to receive on the CLIENT window */
 257     attrib_set.event_mask = CLIENT_EVENTMASK;
 258     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 259     XChangeWindowAttributes(ob_display, window,
 260                             CWEventMask|CWDontPropagate, &attrib_set);
 261
 262     /* create the ObClient struct, and populate it from the hints on the
 263        window */
 264     self = g_new0(ObClient, 1);
 265     self->obwin.type = Window_Client;
 266     self->window = window;
 267
 268     /* non-zero defaults */
 269     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 270     self->gravity = NorthWestGravity;
 271     self->desktop = screen_num_desktops; /* always an invalid value */
 272     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 273
 274     /* get all the stuff off the window */
 275     client_get_all(self, TRUE);
 276
 277     /* specify that if we exit, the window should not be destroyed and
 278        should be reparented back to root automatically */
 279     XChangeSaveSet(ob_display, window, SetModeInsert);
 280
 281     /* create the decoration frame for the client window */
 282     self->frame = frame_new(self);
 283
 284     frame_grab_client(self->frame);
 285
 286     /* we've grabbed everything and set everything that we need to at mapping
 287        time now */
 288     grab_server(FALSE);
 289
 290     /* per-app settings override stuff from client_get_all, and return the
 291        settings for other uses too. the returned settings is a shallow copy,
 292        that needs to be freed with g_free(). */
 293     settings = client_get_settings_state(self);
 294     /* the session should get the last say though */
 295     client_restore_session_state(self);
 296
 297     /* now we have all of the window's information so we can set this up */
 298     client_setup_decor_and_functions(self, FALSE);
 299
 300     {
 301         Time t = sn_app_started(self->startup_id, self->class);
 302         if (t) self->user_time = t;
 303     }
 304
 305     /* do this after we have a frame.. it uses the frame to help determine the
 306        WM_STATE to apply. */
 307     client_change_state(self);
 308
 309     /* add ourselves to the focus order */
 310     focus_order_add_new(self);
 311
 312     /* do this to add ourselves to the stacking list in a non-intrusive way */
 313     client_calc_layer(self);
 314
 315     /* focus the new window? */
 316     if (ob_state() != OB_STATE_STARTING &&
 317         (!self->session || self->session->focused) &&
 318         /* this means focus=true for window is same as config_focus_new=true */
 319         ((config_focus_new || (settings && settings->focus == 1)) ||
 320          client_search_focus_tree_full(self)) &&
 321         /* this checks for focus=false for the window */
 322         (!settings || settings->focus != 0) &&
 323         focus_valid_target(self, FALSE, TRUE, FALSE, FALSE))
 324     {
 325         activate = TRUE;
 326     }
 327
 328     /* remove the client's border */
 329     XSetWindowBorderWidth(ob_display, self->window, 0);
 330
 331     /* adjust the frame to the client's size before showing or placing
 332        the window */
 333     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 334     frame_adjust_client_area(self->frame);
 335
 336     /* where the frame was placed is where the window was originally */
 337     placex = self->area.x;
 338     placey = self->area.y;
 339     placew = self->area.width;
 340     placeh = self->area.height;
 341
 342     /* figure out placement for the window if the window is new */
 343     if (ob_state() == OB_STATE_RUNNING) {
 344         ob_debug("Positioned: %s @ %d %d\n",
 345                  (!self->positioned ? "no" :
 346                   (self->positioned == PPosition ? "program specified" :
 347                    (self->positioned == USPosition ? "user specified" :
 348                     (self->positioned == (PPosition | USPosition) ?
 349                      "program + user specified" :
 350                      "BADNESS !?")))), placex, placey);
 351
 352         ob_debug("Sized: %s @ %d %d\n",
 353                  (!self->sized ? "no" :
 354                   (self->sized == PSize ? "program specified" :
 355                    (self->sized == USSize ? "user specified" :
 356                     (self->sized == (PSize | USSize) ?
 357                      "program + user specified" :
 358                      "BADNESS !?")))), placew, placeh);
 359
 360         /* splash screens are also returned as TRUE for transient,
 361            and so will be forced on screen below */
 362         transient = place_client(self, &placex, &placey, settings);
 363
 364         /* make sure the window is visible. */
 365         client_find_onscreen(self, &placex, &placey, placew, placeh,
 366                              /* non-normal clients has less rules, and
 367                                 windows that are being restored from a
 368                                 session do also. we can assume you want
 369                                 it back where you saved it. Clients saying
 370                                 they placed themselves are subjected to
 371                                 harder rules, ones that are placed by
 372                                 place.c or by the user are allowed partially
 373                                 off-screen and on xinerama divides (ie,
 374                                 it is up to the placement routines to avoid
 375                                 the xinerama divides)
 376
 377                                 splash screens get "transient" set to TRUE by
 378                                 the place_client call
 379                              */
 380                              ob_state() == OB_STATE_RUNNING &&
 381                              (transient ||
 382                               (!(self->positioned & USPosition) &&
 383                                client_normal(self) &&
 384                                !self->session)));
 385     }
 386
 387     /* if the window isn't user-sized, then make it fit inside
 388        the visible screen area on its monitor. Use basically the same rules
 389        for forcing the window on screen in the client_find_onscreen call.
 390
 391        do this after place_client, it chooses the monitor!
 392
 393        splash screens get "transient" set to TRUE by
 394        the place_client call
 395     */
 396     if (ob_state() == OB_STATE_RUNNING &&
 397         (transient ||
 398          (!(self->sized & USSize || self->positioned & USPosition) &&
 399           client_normal(self) &&
 400           !self->session)))
 401     {
 402         Rect placer;
 403
 404         RECT_SET(placer, placex, placey, placew, placeh);
 405         frame_rect_to_frame(self->frame, &placer);
 406
 407         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &placer);
 408
 409         /* shrink by the frame's area */
 410         a->width -= self->frame->size.left + self->frame->size.right;
 411         a->height -= self->frame->size.top + self->frame->size.bottom;
 412
 413         /* fit the window inside the area */
 414         if (placew > a->width || self->area.height > a->height) {
 415             placew = MIN(self->area.width, a->width);
 416             placeh = MIN(self->area.height, a->height);
 417
 418             ob_debug("setting window size to %dx%d\n",
 419                      self->area.width, self->area.height);
 420         }
 421         g_free(a);
 422     }
 423
 424
 425     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 426              "some restrictions may apply\n",
 427              self->window, placex, placey, placew, placeh);
 428     if (self->session)
 429         ob_debug("  but session requested %d, %d  %d x %d instead, "
 430                  "overriding\n",
 431                  self->session->x, self->session->y,
 432                  self->session->w, self->session->h);
 433
 434     /* do this after the window is placed, so the premax/prefullscreen numbers
 435        won't be all wacko!!
 436
 437        this also places the window
 438     */
 439     client_apply_startup_state(self, placex, placey, placew, placeh);
 440
 441     if (activate) {
 442         guint32 last_time = focus_client ?
 443             focus_client->user_time : CurrentTime;
 444
 445         /* This is focus stealing prevention */
 446         ob_debug_type(OB_DEBUG_FOCUS,
 447                       "Want to focus new window 0x%x with time %u "
 448                       "(last time %u)\n",
 449                       self->window, self->user_time, last_time);
 450
 451         /* if it's on another desktop */
 452         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 453             && /* the timestamp is from before you changed desktops */
 454             self->user_time && screen_desktop_user_time &&
 455             !event_time_after(self->user_time, screen_desktop_user_time))
 456         {
 457             activate = FALSE;
 458             ob_debug_type(OB_DEBUG_FOCUS,
 459                           "Not focusing the window because its on another "
 460                           "desktop\n");
 461         }
 462         /* If something is focused, and it's not our relative... */
 463         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
 464                  client_search_focus_group_full(self) == NULL)
 465         {
 466             /* If time stamp is old, don't steal focus */
 467             if (self->user_time && last_time &&
 468                 !event_time_after(self->user_time, last_time))
 469             {
 470                 activate = FALSE;
 471                 ob_debug_type(OB_DEBUG_FOCUS,
 472                               "Not focusing the window because the time is "
 473                               "too old\n");
 474             }
 475             /* If its a transient (and parents aren't focused) and the time
 476                is ambiguous (either the current focus target doesn't have
 477                a timestamp, or they are the same (we probably inherited it
 478                from them) */
 479             else if (client_has_parent(self) &&
 480                      (!last_time || self->user_time == last_time))
 481             {
 482                 activate = FALSE;
 483                 ob_debug_type(OB_DEBUG_FOCUS,
 484                               "Not focusing the window because it is a "
 485                               "transient, and the time is very ambiguous\n");
 486             }
 487             /* Don't steal focus from globally active clients.
 488                I stole this idea from KWin. It seems nice.
 489              */
 490             else if (!(focus_client->can_focus ||
 491                        focus_client->focus_notify))
 492             {
 493                 activate = FALSE;
 494                 ob_debug_type(OB_DEBUG_FOCUS,
 495                               "Not focusing the window because a globally "
 496                               "active client has focus\n");
 497             }
 498             /* Don't move focus if it's not going to go to this window
 499                anyway */
 500             else if (client_focus_target(self) != self) {
 501                 activate = FALSE;
 502                 ob_debug_type(OB_DEBUG_FOCUS,
 503                               "Not focusing the window because another window "
 504                               "would get the focus anyway\n");
 505             }
 506         }
 507
 508         if (!activate) {
 509             ob_debug_type(OB_DEBUG_FOCUS,
 510                           "Focus stealing prevention activated for %s with "
 511                           "time %u (last time %u)\n",
 512                           self->title, self->user_time, last_time);
 513             /* if the client isn't focused, then hilite it so the user
 514                knows it is there */
 515             client_hilite(self, TRUE);
 516         }
 517     }
 518     else {
 519         /* This may look rather odd. Well it's because new windows are added
 520            to the stacking order non-intrusively. If we're not going to focus
 521            the new window or hilite it, then we raise it to the top. This will
 522            take affect for things that don't get focused like splash screens.
 523            Also if you don't have focus_new enabled, then it's going to get
 524            raised to the top. Legacy begets legacy I guess?
 525         */
 526         if (!client_restore_session_stacking(self))
 527             stacking_raise(CLIENT_AS_WINDOW(self));
 528     }
 529
 530     mouse_grab_for_client(self, TRUE);
 531
 532     /* this has to happen before we try focus the window, but we want it to
 533        happen after the client's stacking has been determined or it looks bad
 534     */
 535     {
 536         gulong ignore_start;
 537         if (!config_focus_under_mouse)
 538             ignore_start = event_start_ignore_all_enters();
 539
 540         client_show(self);
 541
 542         if (!config_focus_under_mouse)
 543             event_end_ignore_all_enters(ignore_start);
 544     }
 545
 546     if (activate) {
 547         gboolean stacked = client_restore_session_stacking(self);
 548         client_present(self, FALSE, !stacked, TRUE);
 549     }
 550
 551     /* add to client list/map */
 552     client_list = g_list_append(client_list, self);
 553     g_hash_table_insert(window_map, &self->window, self);
 554
 555     /* this has to happen after we're in the client_list */
 556     if (STRUT_EXISTS(self->strut))
 557         screen_update_areas();
 558
 559     /* update the list hints */
 560     client_set_list();
 561
 562     /* free the ObAppSettings shallow copy */
 563     g_free(settings);
 564
 565     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 566              window, self->frame->window, self->class);
 567
 568     return;
 569 }
 570
 571
 572 ObClient *client_fake_manage(Window window)
 573 {
 574     ObClient *self;
 575     ObAppSettings *settings;
 576
 577     ob_debug("Pretend-managing window: %lx\n", window);
 578
 579     /* do this minimal stuff to figure out the client's decorations */
 580
 581     self = g_new0(ObClient, 1);
 582     self->window = window;
 583
 584     client_get_all(self, FALSE);
 585     /* per-app settings override stuff, and return the settings for other
 586        uses too. this returns a shallow copy that needs to be freed */
 587     settings = client_get_settings_state(self);
 588
 589     client_setup_decor_and_functions(self, FALSE);
 590
 591     /* create the decoration frame for the client window and adjust its size */
 592     self->frame = frame_new(self);
 593     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 594
 595     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 596              self->frame->size.left, self->frame->size.right,
 597              self->frame->size.top, self->frame->size.bottom);
 598
 599     /* free the ObAppSettings shallow copy */
 600     g_free(settings);
 601
 602     return self;
 603 }
 604
 605 void client_unmanage_all()
 606 {
 607     while (client_list != NULL)
 608         client_unmanage(client_list->data);
 609 }
 610
 611 void client_unmanage(ObClient *self)
 612 {
 613     guint j;
 614     GSList *it;
 615     gulong ignore_start;
 616
 617     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 618              self->window, self->frame->window,
 619              self->class, self->title ? self->title : "");
 620
 621     g_assert(self != NULL);
 622
 623     /* we dont want events no more. do this before hiding the frame so we
 624        don't generate more events */
 625     XSelectInput(ob_display, self->window, NoEventMask);
 626
 627     /* ignore enter events from the unmap so it doesnt mess with the focus */
 628     if (!config_focus_under_mouse)
 629         ignore_start = event_start_ignore_all_enters();
 630
 631     frame_hide(self->frame);
 632     /* flush to send the hide to the server quickly */
 633     XFlush(ob_display);
 634
 635     if (!config_focus_under_mouse)
 636         event_end_ignore_all_enters(ignore_start);
 637
 638     mouse_grab_for_client(self, FALSE);
 639
 640     /* remove the window from our save set */
 641     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 642
 643     /* kill the property windows */
 644     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 645
 646     /* update the focus lists */
 647     focus_order_remove(self);
 648     if (client_focused(self)) {
 649         /* don't leave an invalid focus_client */
 650         focus_client = NULL;
 651     }
 652
 653     client_list = g_list_remove(client_list, self);
 654     stacking_remove(self);
 655     g_hash_table_remove(window_map, &self->window);
 656
 657     /* once the client is out of the list, update the struts to remove its
 658        influence */
 659     if (STRUT_EXISTS(self->strut))
 660         screen_update_areas();
 661
 662     client_call_notifies(self, client_destroy_notifies);
 663
 664     /* tell our parent(s) that we're gone */
 665     for (it = self->parents; it; it = g_slist_next(it))
 666         ((ObClient*)it->data)->transients =
 667             g_slist_remove(((ObClient*)it->data)->transients,self);
 668
 669     /* tell our transients that we're gone */
 670     for (it = self->transients; it; it = g_slist_next(it)) {
 671         ((ObClient*)it->data)->parents =
 672             g_slist_remove(((ObClient*)it->data)->parents, self);
 673         /* we could be keeping our children in a higher layer */
 674         client_calc_layer(it->data);
 675     }
 676
 677     /* remove from its group */
 678     if (self->group) {
 679         group_remove(self->group, self);
 680         self->group = NULL;
 681     }
 682
 683     /* restore the window's original geometry so it is not lost */
 684     {
 685         Rect a;
 686
 687         a = self->area;
 688
 689         if (self->fullscreen)
 690             a = self->pre_fullscreen_area;
 691         else if (self->max_horz || self->max_vert) {
 692             if (self->max_horz) {
 693                 a.x = self->pre_max_area.x;
 694                 a.width = self->pre_max_area.width;
 695             }
 696             if (self->max_vert) {
 697                 a.y = self->pre_max_area.y;
 698                 a.height = self->pre_max_area.height;
 699             }
 700         }
 701
 702         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 703         /* let it be moved and resized no matter what */
 704         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 705         self->decorations = 0; /* unmanaged windows have no decor */
 706
 707         /* give the client its border back */
 708         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 709
 710         client_move_resize(self, a.x, a.y, a.width, a.height);
 711     }
 712
 713     /* reparent the window out of the frame, and free the frame */
 714     frame_release_client(self->frame);
 715     frame_free(self->frame);
 716     self->frame = NULL;
 717
 718     if (ob_state() != OB_STATE_EXITING) {
 719         /* these values should not be persisted across a window
 720            unmapping/mapping */
 721         PROP_ERASE(self->window, net_wm_desktop);
 722         PROP_ERASE(self->window, net_wm_state);
 723         PROP_ERASE(self->window, wm_state);
 724     } else {
 725         /* if we're left in an unmapped state, the client wont be mapped.
 726            this is bad, since we will no longer be managing the window on
 727            restart */
 728         XMapWindow(ob_display, self->window);
 729     }
 730
 731     /* update the list hints */
 732     client_set_list();
 733
 734     ob_debug("Unmanaged window 0x%lx\n", self->window);
 735
 736     /* free all data allocated in the client struct */
 737     g_slist_free(self->transients);
 738     for (j = 0; j < self->nicons; ++j)
 739         g_free(self->icons[j].data);
 740     if (self->nicons > 0)
 741         g_free(self->icons);
 742     g_free(self->wm_command);
 743     g_free(self->title);
 744     g_free(self->icon_title);
 745     g_free(self->name);
 746     g_free(self->class);
 747     g_free(self->role);
 748     g_free(self->client_machine);
 749     g_free(self->sm_client_id);
 750     g_free(self);
 751 }
 752
 753 void client_fake_unmanage(ObClient *self)
 754 {
 755     /* this is all that got allocated to get the decorations */
 756
 757     frame_free(self->frame);
 758     g_free(self);
 759 }
 760
 761 /*! Returns a new structure containing the per-app settings for this client.
 762   The returned structure needs to be freed with g_free. */
 763 static ObAppSettings *client_get_settings_state(ObClient *self)
 764 {
 765     ObAppSettings *settings;
 766     GSList *it;
 767
 768     settings = config_create_app_settings();
 769
 770     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 771         ObAppSettings *app = it->data;
 772         gboolean match = TRUE;
 773
 774         g_assert(app->name != NULL || app->class != NULL);
 775
 776         /* we know that either name or class is not NULL so it will have to
 777            match to use the rule */
 778         if (app->name &&
 779             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 780             match = FALSE;
 781         else if (app->class &&
 782                 !g_pattern_match(app->class,
 783                                  strlen(self->class), self->class, NULL))
 784             match = FALSE;
 785         else if (app->role &&
 786                  !g_pattern_match(app->role,
 787                                   strlen(self->role), self->role, NULL))
 788             match = FALSE;
 789
 790         if (match) {
 791             ob_debug("Window matching: %s\n", app->name);
 792
 793             /* copy the settings to our struct, overriding the existing
 794                settings if they are not defaults */
 795             config_app_settings_copy_non_defaults(app, settings);
 796         }
 797     }
 798
 799     if (settings->shade != -1)
 800         self->shaded = !!settings->shade;
 801     if (settings->decor != -1)
 802         self->undecorated = !settings->decor;
 803     if (settings->iconic != -1)
 804         self->iconic = !!settings->iconic;
 805     if (settings->skip_pager != -1)
 806         self->skip_pager = !!settings->skip_pager;
 807     if (settings->skip_taskbar != -1)
 808         self->skip_taskbar = !!settings->skip_taskbar;
 809
 810     if (settings->max_vert != -1)
 811         self->max_vert = !!settings->max_vert;
 812     if (settings->max_horz != -1)
 813         self->max_horz = !!settings->max_horz;
 814
 815     if (settings->fullscreen != -1)
 816         self->fullscreen = !!settings->fullscreen;
 817
 818     if (settings->desktop) {
 819         if (settings->desktop == DESKTOP_ALL)
 820             self->desktop = settings->desktop;
 821         else if (settings->desktop > 0 &&
 822                  settings->desktop <= screen_num_desktops)
 823             self->desktop = settings->desktop - 1;
 824     }
 825
 826     if (settings->layer == -1) {
 827         self->below = TRUE;
 828         self->above = FALSE;
 829     }
 830     else if (settings->layer == 0) {
 831         self->below = FALSE;
 832         self->above = FALSE;
 833     }
 834     else if (settings->layer == 1) {
 835         self->below = FALSE;
 836         self->above = TRUE;
 837     }
 838     return settings;
 839 }
 840
 841 static void client_restore_session_state(ObClient *self)
 842 {
 843     GList *it;
 844
 845     ob_debug_type(OB_DEBUG_SM,
 846                   "Restore session for client %s\n", self->title);
 847
 848     if (!(it = session_state_find(self))) {
 849         ob_debug_type(OB_DEBUG_SM,
 850                       "Session data not found for client %s\n", self->title);
 851         return;
 852     }
 853
 854     self->session = it->data;
 855
 856     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 857                   self->title);
 858
 859     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 860     self->positioned = USPosition;
 861     self->sized = USSize;
 862     if (self->session->w > 0)
 863         self->area.width = self->session->w;
 864     if (self->session->h > 0)
 865         self->area.height = self->session->h;
 866     XResizeWindow(ob_display, self->window,
 867                   self->area.width, self->area.height);
 868
 869     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 870                      self->session->desktop :
 871                      MIN(screen_num_desktops - 1, self->session->desktop));
 872     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 873
 874     self->shaded = self->session->shaded;
 875     self->iconic = self->session->iconic;
 876     self->skip_pager = self->session->skip_pager;
 877     self->skip_taskbar = self->session->skip_taskbar;
 878     self->fullscreen = self->session->fullscreen;
 879     self->above = self->session->above;
 880     self->below = self->session->below;
 881     self->max_horz = self->session->max_horz;
 882     self->max_vert = self->session->max_vert;
 883     self->undecorated = self->session->undecorated;
 884 }
 885
 886 static gboolean client_restore_session_stacking(ObClient *self)
 887 {
 888     GList *it, *mypos;
 889
 890     if (!self->session) return FALSE;
 891
 892     mypos = g_list_find(session_saved_state, self->session);
 893     if (!mypos) return FALSE;
 894
 895     /* start above me and look for the first client */
 896     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 897         GList *cit;
 898
 899         for (cit = client_list; cit; cit = g_list_next(cit)) {
 900             ObClient *c = cit->data;
 901             /* found a client that was in the session, so go below it */
 902             if (c->session == it->data) {
 903                 stacking_below(CLIENT_AS_WINDOW(self),
 904                                CLIENT_AS_WINDOW(cit->data));
 905                 return TRUE;
 906             }
 907         }
 908     }
 909     return FALSE;
 910 }
 911
 912 void client_move_onscreen(ObClient *self, gboolean rude)
 913 {
 914     gint x = self->area.x;
 915     gint y = self->area.y;
 916     if (client_find_onscreen(self, &x, &y,
 917                              self->area.width,
 918                              self->area.height, rude)) {
 919         client_move(self, x, y);
 920     }
 921 }
 922
 923 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 924                               gboolean rude)
 925 {
 926     gint ox = *x, oy = *y;
 927     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 928     gint fw, fh;
 929     Rect desired;
 930     guint i;
 931
 932     RECT_SET(desired, *x, *y, w, h);
 933     frame_rect_to_frame(self->frame, &desired);
 934
 935     /* get where the frame would be */
 936     frame_client_gravity(self->frame, x, y);
 937
 938     /* get the requested size of the window with decorations */
 939     fw = self->frame->size.left + w + self->frame->size.right;
 940     fh = self->frame->size.top + h + self->frame->size.bottom;
 941
 942     /* If rudeness wasn't requested, then still be rude in a given direction
 943        if the client is not moving, only resizing in that direction */
 944     if (!rude) {
 945         Point oldtl, oldtr, oldbl, oldbr;
 946         Point newtl, newtr, newbl, newbr;
 947         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 948
 949         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 950         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 951                   self->frame->area.y + self->frame->area.height - 1);
 952         POINT_SET(oldtr, oldbr.x, oldtl.y);
 953         POINT_SET(oldbl, oldtl.x, oldbr.y);
 954
 955         POINT_SET(newtl, *x, *y);
 956         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 957         POINT_SET(newtr, newbr.x, newtl.y);
 958         POINT_SET(newbl, newtl.x, newbr.y);
 959
 960         /* is it moving or just resizing from some corner? */
 961         stationary_l = oldtl.x == newtl.x;
 962         stationary_r = oldtr.x == newtr.x;
 963         stationary_t = oldtl.y == newtl.y;
 964         stationary_b = oldbl.y == newbl.y;
 965
 966         /* if left edge is growing and didnt move right edge */
 967         if (stationary_r && newtl.x < oldtl.x)
 968             rudel = TRUE;
 969         /* if right edge is growing and didnt move left edge */
 970         if (stationary_l && newtr.x > oldtr.x)
 971             ruder = TRUE;
 972         /* if top edge is growing and didnt move bottom edge */
 973         if (stationary_b && newtl.y < oldtl.y)
 974             rudet = TRUE;
 975         /* if bottom edge is growing and didnt move top edge */
 976         if (stationary_t && newbl.y > oldbl.y)
 977             rudeb = TRUE;
 978     }
 979
 980     for (i = 0; i < screen_num_monitors; ++i) {
 981         Rect *a;
 982
 983         if (!screen_physical_area_monitor_contains(i, &desired))
 984             continue;
 985
 986         a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
 987
 988         /* This makes sure windows aren't entirely outside of the screen so you
 989            can't see them at all.
 990            It makes sure 10% of the window is on the screen at least. At don't
 991            let it move itself off the top of the screen, which would hide the
 992            titlebar on you. (The user can still do this if they want too, it's
 993            only limiting the application.
 994         */
 995         if (client_normal(self)) {
 996             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
 997                 *x = a->x + a->width - fw/10;
 998             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
 999                 *y = a->y + a->height - fh/10;
1000             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1001                 *x = a->x - fw*9/10;
1002             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1003                 *y = a->y - fw*9/10;
1004         }
1005
1006         /* This here doesn't let windows even a pixel outside the
1007            struts/screen. When called from client_manage, programs placing
1008            themselves are forced completely onscreen, while things like
1009            xterm -geometry resolution-width/2 will work fine. Trying to
1010            place it completely offscreen will be handled in the above code.
1011            Sorry for this confused comment, i am tired. */
1012         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1013         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1014             *x = a->x + MAX(0, a->width - fw);
1015
1016         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1017         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1018             *y = a->y + MAX(0, a->height - fh);
1019
1020         g_free(a);
1021     }
1022
1023     /* get where the client should be */
1024     frame_frame_gravity(self->frame, x, y);
1025
1026     return ox != *x || oy != *y;
1027 }
1028
1029 static void client_get_all(ObClient *self, gboolean real)
1030 {
1031     /* this is needed for the frame to set itself up */
1032     client_get_area(self);
1033
1034     /* these things can change the decor and functions of the window */
1035
1036     client_get_mwm_hints(self);
1037     /* this can change the mwmhints for special cases */
1038     client_get_type_and_transientness(self);
1039     client_get_state(self);
1040     client_update_normal_hints(self);
1041
1042     /* get the session related properties, these can change decorations
1043        from per-app settings */
1044     client_get_session_ids(self);
1045
1046     /* now we got everything that can affect the decorations */
1047     if (!real)
1048         return;
1049
1050     /* get this early so we have it for debugging */
1051     client_update_title(self);
1052
1053     client_update_protocols(self);
1054
1055     client_update_wmhints(self);
1056     /* this may have already been called from client_update_wmhints */
1057     if (!self->parents && !self->transient_for_group)
1058         client_update_transient_for(self);
1059
1060     client_get_startup_id(self);
1061     client_get_desktop(self);/* uses transient data/group/startup id if a
1062                                 desktop is not specified */
1063     client_get_shaped(self);
1064
1065     {
1066         /* a couple type-based defaults for new windows */
1067
1068         /* this makes sure that these windows appear on all desktops */
1069         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1070             self->desktop = DESKTOP_ALL;
1071     }
1072
1073 #ifdef SYNC
1074     client_update_sync_request_counter(self);
1075 #endif
1076
1077     client_get_colormap(self);
1078     client_update_strut(self);
1079     client_update_icons(self);
1080     client_update_user_time_window(self);
1081     if (!self->user_time_window) /* check if this would have been called */
1082         client_update_user_time(self);
1083     client_update_icon_geometry(self);
1084 }
1085
1086 static void client_get_startup_id(ObClient *self)
1087 {
1088     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1089         if (self->group)
1090             PROP_GETS(self->group->leader,
1091                       net_startup_id, utf8, &self->startup_id);
1092 }
1093
1094 static void client_get_area(ObClient *self)
1095 {
1096     XWindowAttributes wattrib;
1097     Status ret;
1098
1099     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1100     g_assert(ret != BadWindow);
1101
1102     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1103     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1104     self->border_width = wattrib.border_width;
1105
1106     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1107              wattrib.width, wattrib.height, wattrib.border_width);
1108 }
1109
1110 static void client_get_desktop(ObClient *self)
1111 {
1112     guint32 d = screen_num_desktops; /* an always-invalid value */
1113
1114     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1115         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1116             self->desktop = screen_num_desktops - 1;
1117         else
1118             self->desktop = d;
1119         ob_debug("client requested desktop 0x%x\n", self->desktop);
1120     } else {
1121         GSList *it;
1122         gboolean first = TRUE;
1123         guint all = screen_num_desktops; /* not a valid value */
1124
1125         /* if they are all on one desktop, then open it on the
1126            same desktop */
1127         for (it = self->parents; it; it = g_slist_next(it)) {
1128             ObClient *c = it->data;
1129
1130             if (c->desktop == DESKTOP_ALL) continue;
1131
1132             if (first) {
1133                 all = c->desktop;
1134                 first = FALSE;
1135             }
1136             else if (all != c->desktop)
1137                 all = screen_num_desktops; /* make it invalid */
1138         }
1139         if (all != screen_num_desktops) {
1140             self->desktop = all;
1141
1142             ob_debug("client desktop set from parents: 0x%x\n",
1143                      self->desktop);
1144         }
1145         /* try get from the startup-notification protocol */
1146         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1147             if (self->desktop >= screen_num_desktops &&
1148                 self->desktop != DESKTOP_ALL)
1149                 self->desktop = screen_num_desktops - 1;
1150             ob_debug("client desktop set from startup-notification: 0x%x\n",
1151                      self->desktop);
1152         }
1153         /* defaults to the current desktop */
1154         else {
1155             self->desktop = screen_desktop;
1156             ob_debug("client desktop set to the current desktop: %d\n",
1157                      self->desktop);
1158         }
1159     }
1160 }
1161
1162 static void client_get_state(ObClient *self)
1163 {
1164     guint32 *state;
1165     guint num;
1166
1167     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1168         gulong i;
1169         for (i = 0; i < num; ++i) {
1170             if (state[i] == prop_atoms.net_wm_state_modal)
1171                 self->modal = TRUE;
1172             else if (state[i] == prop_atoms.net_wm_state_shaded)
1173                 self->shaded = TRUE;
1174             else if (state[i] == prop_atoms.net_wm_state_hidden)
1175                 self->iconic = TRUE;
1176             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1177                 self->skip_taskbar = TRUE;
1178             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1179                 self->skip_pager = TRUE;
1180             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1181                 self->fullscreen = TRUE;
1182             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1183                 self->max_vert = TRUE;
1184             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1185                 self->max_horz = TRUE;
1186             else if (state[i] == prop_atoms.net_wm_state_above)
1187                 self->above = TRUE;
1188             else if (state[i] == prop_atoms.net_wm_state_below)
1189                 self->below = TRUE;
1190             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1191                 self->demands_attention = TRUE;
1192             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1193                 self->undecorated = TRUE;
1194         }
1195
1196         g_free(state);
1197     }
1198 }
1199
1200 static void client_get_shaped(ObClient *self)
1201 {
1202     self->shaped = FALSE;
1203 #ifdef   SHAPE
1204     if (extensions_shape) {
1205         gint foo;
1206         guint ufoo;
1207         gint s;
1208
1209         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1210
1211         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1212                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1213                            &ufoo);
1214         self->shaped = (s != 0);
1215     }
1216 #endif
1217 }
1218
1219 void client_update_transient_for(ObClient *self)
1220 {
1221     Window t = None;
1222     ObClient *target = NULL;
1223     gboolean trangroup = FALSE;
1224
1225     if (XGetTransientForHint(ob_display, self->window, &t)) {
1226         if (t != self->window) { /* cant be transient to itself! */
1227             target = g_hash_table_lookup(window_map, &t);
1228             /* if this happens then we need to check for it*/
1229             g_assert(target != self);
1230             if (target && !WINDOW_IS_CLIENT(target)) {
1231                 /* this can happen when a dialog is a child of
1232                    a dockapp, for example */
1233                 target = NULL;
1234             }
1235         }
1236
1237         /* Setting the transient_for to Root is actually illegal, however
1238            applications from time have done this to specify transient for
1239            their group */
1240         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1241             trangroup = TRUE;
1242     } else if (self->group && self->transient)
1243         trangroup = TRUE;
1244
1245     client_update_transient_tree(self, self->group, self->group,
1246                                  self->transient_for_group, trangroup,
1247                                  client_direct_parent(self), target);
1248     self->transient_for_group = trangroup;
1249
1250 }
1251
1252 static void client_update_transient_tree(ObClient *self,
1253                                          ObGroup *oldgroup, ObGroup *newgroup,
1254                                          gboolean oldgtran, gboolean newgtran,
1255                                          ObClient* oldparent,
1256                                          ObClient *newparent)
1257 {
1258     GSList *it, *next;
1259     ObClient *c;
1260
1261     g_assert(!oldgtran || oldgroup);
1262     g_assert(!newgtran || newgroup);
1263     g_assert((!oldgtran && !oldparent) ||
1264              (oldgtran && !oldparent) ||
1265              (!oldgtran && oldparent));
1266     g_assert((!newgtran && !newparent) ||
1267              (newgtran && !newparent) ||
1268              (!newgtran && newparent));
1269
1270     /* * *
1271       Group transient windows are not allowed to have other group
1272       transient windows as their children.
1273       * * */
1274
1275
1276     /* No change has occured */
1277     if (oldgroup == newgroup &&
1278         oldgtran == newgtran &&
1279         oldparent == newparent) return;
1280
1281     /** Remove the client from the transient tree wherever it has changed **/
1282
1283     /* If the window is becoming a direct transient for a window in its group
1284        then any group transients which were our children and are now becoming
1285        our parents need to stop being our children.
1286
1287        Group transients can't be children of group transients already, but
1288        we could have any number of direct parents above up, any of which could
1289        be transient for the group, and we need to remove it from our children.
1290     */
1291     if (!oldgtran && oldparent != newparent && newparent != NULL &&
1292         newgroup != NULL && newgroup == oldgroup &&
1293         client_normal(newparent))
1294     {
1295         ObClient *look = client_search_top_direct_parent(newparent);
1296         self->transients = g_slist_remove(self->transients, look);
1297         look->parents = g_slist_remove(look->parents, self);
1298     }
1299
1300
1301     /* If the group changed, or if we are just becoming transient for the
1302        group, then we need to remove any old group transient windows
1303        from our children. But if we were already transient for the group, then
1304        other group transients are not our children. */
1305     if ((oldgroup != newgroup || (newgtran && oldgtran != newgtran)) &&
1306         oldgroup != NULL && !oldgtran)
1307     {
1308         for (it = self->transients; it; it = next) {
1309             next = g_slist_next(it);
1310             c = it->data;
1311             if (c->group == oldgroup && client_normal(self)) {
1312                 self->transients = g_slist_delete_link(self->transients, it);
1313                 c->parents = g_slist_remove(c->parents, self);
1314             }
1315         }
1316     }
1317
1318     /* If we used to be transient for a group and now we are not, or we're
1319        transient for a new group, then we need to remove ourselves from all
1320        our ex-parents */
1321     if (oldgtran && (oldgroup != newgroup || oldgtran != newgtran))
1322     {
1323         for (it = self->parents; it; it = next) {
1324             next = g_slist_next(it);
1325             c = it->data;
1326             if (!c->transient_for_group && client_normal(c)) {
1327                 c->transients = g_slist_remove(c->transients, self);
1328                 self->parents = g_slist_delete_link(self->parents, it);
1329             }
1330         }
1331     }
1332     /* If we used to be transient for a single window and we are no longer
1333        transient for it, then we need to remove ourself from its children */
1334     else if (oldparent && oldparent != newparent &&
1335              client_normal(oldparent))
1336     {
1337         oldparent->transients = g_slist_remove(oldparent->transients, self);
1338         self->parents = g_slist_remove(self->parents, oldparent);
1339     }
1340
1341     /** Re-add the client to the transient tree wherever it has changed **/
1342
1343     /* If we're now transient for a group and we weren't transient for it
1344        before then we need to add ourselves to all our new parents */
1345     if (newgtran && (oldgroup != newgroup || oldgtran != newgtran))
1346     {
1347         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1348             c = it->data;
1349             if (c != self && !c->transient_for_group && client_normal(c))
1350             {
1351                 c->transients = g_slist_prepend(c->transients, self);
1352                 self->parents = g_slist_prepend(self->parents, c);
1353             }
1354         }
1355     }
1356     /* If we are now transient for a single window which we weren't before,
1357        we need to add ourselves to its children
1358
1359        WARNING: Cyclical transient ness is possible if two windows are
1360        transient for eachother.
1361     */
1362     else if (newparent && newparent != oldparent &&
1363              /* don't make ourself its child if it is already our child */
1364              !client_is_direct_child(self, newparent) &&
1365              client_normal(newparent))
1366     {
1367         newparent->transients = g_slist_prepend(newparent->transients, self);
1368         self->parents = g_slist_prepend(self->parents, newparent);
1369     }
1370
1371     /* If the group changed then we need to add any new group transient
1372        windows to our children. But if we're transient for the group, then
1373        other group transients are not our children.
1374
1375        WARNING: Cyclical transient-ness is possible. For e.g. if:
1376        A is transient for the group
1377        B is transient for A
1378        C is transient for B
1379        A can't be transient for C or we have a cycle
1380     */
1381     if (oldgroup != newgroup && newgroup != NULL && !newgtran &&
1382         client_normal(self))
1383     {
1384         for (it = newgroup->members; it; it = g_slist_next(it)) {
1385             c = it->data;
1386             if (c != self && c->transient_for_group &&
1387                 /* Don't make it our child if it is already our parent */
1388                 !client_is_direct_child(c, self))
1389             {
1390                 self->transients = g_slist_prepend(self->transients, c);
1391                 c->parents = g_slist_prepend(c->parents, self);
1392             }
1393         }
1394     }
1395 }
1396
1397 static void client_get_mwm_hints(ObClient *self)
1398 {
1399     guint num;
1400     guint32 *hints;
1401
1402     self->mwmhints.flags = 0; /* default to none */
1403
1404     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1405                     &hints, &num)) {
1406         if (num >= OB_MWM_ELEMENTS) {
1407             self->mwmhints.flags = hints[0];
1408             self->mwmhints.functions = hints[1];
1409             self->mwmhints.decorations = hints[2];
1410         }
1411         g_free(hints);
1412     }
1413 }
1414
1415 void client_get_type_and_transientness(ObClient *self)
1416 {
1417     guint num, i;
1418     guint32 *val;
1419     Window t;
1420
1421     self->type = -1;
1422     self->transient = FALSE;
1423
1424     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1425         /* use the first value that we know about in the array */
1426         for (i = 0; i < num; ++i) {
1427             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1428                 self->type = OB_CLIENT_TYPE_DESKTOP;
1429             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1430                 self->type = OB_CLIENT_TYPE_DOCK;
1431             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1432                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1433             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1434                 self->type = OB_CLIENT_TYPE_MENU;
1435             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1436                 self->type = OB_CLIENT_TYPE_UTILITY;
1437             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1438                 self->type = OB_CLIENT_TYPE_SPLASH;
1439             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1440                 self->type = OB_CLIENT_TYPE_DIALOG;
1441             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1442                 self->type = OB_CLIENT_TYPE_NORMAL;
1443             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1444                 /* prevent this window from getting any decor or
1445                    functionality */
1446                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1447                                          OB_MWM_FLAG_DECORATIONS);
1448                 self->mwmhints.decorations = 0;
1449                 self->mwmhints.functions = 0;
1450             }
1451             if (self->type != (ObClientType) -1)
1452                 break; /* grab the first legit type */
1453         }
1454         g_free(val);
1455     }
1456
1457     if (XGetTransientForHint(ob_display, self->window, &t))
1458         self->transient = TRUE;
1459
1460     if (self->type == (ObClientType) -1) {
1461         /*the window type hint was not set, which means we either classify
1462           ourself as a normal window or a dialog, depending on if we are a
1463           transient. */
1464         if (self->transient)
1465             self->type = OB_CLIENT_TYPE_DIALOG;
1466         else
1467             self->type = OB_CLIENT_TYPE_NORMAL;
1468     }
1469
1470     /* then, based on our type, we can update our transientness.. */
1471     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1472         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1473         self->type == OB_CLIENT_TYPE_MENU ||
1474         self->type == OB_CLIENT_TYPE_UTILITY)
1475     {
1476         self->transient = TRUE;
1477     }
1478 }
1479
1480 void client_update_protocols(ObClient *self)
1481 {
1482     guint32 *proto;
1483     guint num_return, i;
1484
1485     self->focus_notify = FALSE;
1486     self->delete_window = FALSE;
1487
1488     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1489         for (i = 0; i < num_return; ++i) {
1490             if (proto[i] == prop_atoms.wm_delete_window)
1491                 /* this means we can request the window to close */
1492                 self->delete_window = TRUE;
1493             else if (proto[i] == prop_atoms.wm_take_focus)
1494                 /* if this protocol is requested, then the window will be
1495                    notified whenever we want it to receive focus */
1496                 self->focus_notify = TRUE;
1497 #ifdef SYNC
1498             else if (proto[i] == prop_atoms.net_wm_sync_request)
1499                 /* if this protocol is requested, then resizing the
1500                    window will be synchronized between the frame and the
1501                    client */
1502                 self->sync_request = TRUE;
1503 #endif
1504         }
1505         g_free(proto);
1506     }
1507 }
1508
1509 #ifdef SYNC
1510 void client_update_sync_request_counter(ObClient *self)
1511 {
1512     guint32 i;
1513
1514     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1515         self->sync_counter = i;
1516     } else
1517         self->sync_counter = None;
1518 }
1519 #endif
1520
1521 void client_get_colormap(ObClient *self)
1522 {
1523     XWindowAttributes wa;
1524
1525     if (XGetWindowAttributes(ob_display, self->window, &wa))
1526         client_update_colormap(self, wa.colormap);
1527 }
1528
1529 void client_update_colormap(ObClient *self, Colormap colormap)
1530 {
1531     if (colormap == self->colormap) return;
1532
1533     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1534
1535     if (client_focused(self)) {
1536         screen_install_colormap(self, FALSE); /* uninstall old one */
1537         self->colormap = colormap;
1538         screen_install_colormap(self, FALSE); /* install new one */
1539     } else
1540         self->colormap = colormap;
1541 }
1542
1543 void client_update_normal_hints(ObClient *self)
1544 {
1545     XSizeHints size;
1546     glong ret;
1547
1548     /* defaults */
1549     self->min_ratio = 0.0f;
1550     self->max_ratio = 0.0f;
1551     SIZE_SET(self->size_inc, 1, 1);
1552     SIZE_SET(self->base_size, 0, 0);
1553     SIZE_SET(self->min_size, 0, 0);
1554     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1555
1556     /* get the hints from the window */
1557     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1558         /* normal windows can't request placement! har har
1559         if (!client_normal(self))
1560         */
1561         self->positioned = (size.flags & (PPosition|USPosition));
1562         self->sized = (size.flags & (PSize|USSize));
1563
1564         if (size.flags & PWinGravity)
1565             self->gravity = size.win_gravity;
1566
1567         if (size.flags & PAspect) {
1568             if (size.min_aspect.y)
1569                 self->min_ratio =
1570                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1571             if (size.max_aspect.y)
1572                 self->max_ratio =
1573                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1574         }
1575
1576         if (size.flags & PMinSize)
1577             SIZE_SET(self->min_size, size.min_width, size.min_height);
1578
1579         if (size.flags & PMaxSize)
1580             SIZE_SET(self->max_size, size.max_width, size.max_height);
1581
1582         if (size.flags & PBaseSize)
1583             SIZE_SET(self->base_size, size.base_width, size.base_height);
1584
1585         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1586             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1587
1588         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1589                  "size inc (%d %d) base size (%d %d)\n",
1590                  self->min_size.width, self->min_size.height,
1591                  self->max_size.width, self->max_size.height,
1592                  self->size_inc.width, self->size_inc.height,
1593                  self->base_size.width, self->base_size.height);
1594     }
1595     else
1596         ob_debug("Normal hints: not set\n");
1597 }
1598
1599 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1600 {
1601     /* start with everything (cept fullscreen) */
1602     self->decorations =
1603         (OB_FRAME_DECOR_TITLEBAR |
1604          OB_FRAME_DECOR_HANDLE |
1605          OB_FRAME_DECOR_GRIPS |
1606          OB_FRAME_DECOR_BORDER |
1607          OB_FRAME_DECOR_ICON |
1608          OB_FRAME_DECOR_ALLDESKTOPS |
1609          OB_FRAME_DECOR_ICONIFY |
1610          OB_FRAME_DECOR_MAXIMIZE |
1611          OB_FRAME_DECOR_SHADE |
1612          OB_FRAME_DECOR_CLOSE);
1613     self->functions =
1614         (OB_CLIENT_FUNC_RESIZE |
1615          OB_CLIENT_FUNC_MOVE |
1616          OB_CLIENT_FUNC_ICONIFY |
1617          OB_CLIENT_FUNC_MAXIMIZE |
1618          OB_CLIENT_FUNC_SHADE |
1619          OB_CLIENT_FUNC_CLOSE |
1620          OB_CLIENT_FUNC_BELOW |
1621          OB_CLIENT_FUNC_ABOVE |
1622          OB_CLIENT_FUNC_UNDECORATE);
1623
1624     if (!(self->min_size.width < self->max_size.width ||
1625           self->min_size.height < self->max_size.height))
1626         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1627
1628     switch (self->type) {
1629     case OB_CLIENT_TYPE_NORMAL:
1630         /* normal windows retain all of the possible decorations and
1631            functionality, and are the only windows that you can fullscreen */
1632         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1633         break;
1634
1635     case OB_CLIENT_TYPE_DIALOG:
1636     case OB_CLIENT_TYPE_UTILITY:
1637         /* these windows don't have anything added or removed by default */
1638         break;
1639
1640     case OB_CLIENT_TYPE_MENU:
1641     case OB_CLIENT_TYPE_TOOLBAR:
1642         /* these windows can't iconify or maximize */
1643         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1644                                OB_FRAME_DECOR_MAXIMIZE);
1645         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1646                              OB_CLIENT_FUNC_MAXIMIZE);
1647         break;
1648
1649     case OB_CLIENT_TYPE_SPLASH:
1650         /* these don't get get any decorations, and the only thing you can
1651            do with them is move them */
1652         self->decorations = 0;
1653         self->functions = OB_CLIENT_FUNC_MOVE;
1654         break;
1655
1656     case OB_CLIENT_TYPE_DESKTOP:
1657         /* these windows are not manipulated by the window manager */
1658         self->decorations = 0;
1659         self->functions = 0;
1660         break;
1661
1662     case OB_CLIENT_TYPE_DOCK:
1663         /* these windows are not manipulated by the window manager, but they
1664            can set below layer which has a special meaning */
1665         self->decorations = 0;
1666         self->functions = OB_CLIENT_FUNC_BELOW;
1667         break;
1668     }
1669
1670     /* Mwm Hints are applied subtractively to what has already been chosen for
1671        decor and functionality */
1672     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1673         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1674             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1675                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1676             {
1677                 /* if the mwm hints request no handle or title, then all
1678                    decorations are disabled, but keep the border if that's
1679                    specified */
1680                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1681                     self->decorations = OB_FRAME_DECOR_BORDER;
1682                 else
1683                     self->decorations = 0;
1684             }
1685         }
1686     }
1687
1688     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1689         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1690             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1691                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1692             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1693                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1694             /* dont let mwm hints kill any buttons
1695                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1696                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1697                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1698                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1699             */
1700             /* dont let mwm hints kill the close button
1701                if (! (self->mwmhints.functions & MwmFunc_Close))
1702                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1703         }
1704     }
1705
1706     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1707         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1708     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1709         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1710     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1711         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1712
1713     /* can't maximize without moving/resizing */
1714     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1715           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1716           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1717         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1718         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1719     }
1720
1721     if (self->max_horz && self->max_vert) {
1722         /* you can't resize fully maximized windows */
1723         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1724         /* kill the handle on fully maxed windows */
1725         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1726     }
1727
1728     /* If there are no decorations to remove, don't allow the user to try
1729        toggle the state */
1730     if (self->decorations == 0)
1731         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1732
1733     /* finally, the user can have requested no decorations, which overrides
1734        everything (but doesnt give it a border if it doesnt have one) */
1735     if (self->undecorated)
1736         self->decorations = 0;
1737
1738     /* if we don't have a titlebar, then we cannot shade! */
1739     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1740         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1741
1742     /* now we need to check against rules for the client's current state */
1743     if (self->fullscreen) {
1744         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1745                             OB_CLIENT_FUNC_FULLSCREEN |
1746                             OB_CLIENT_FUNC_ICONIFY);
1747         self->decorations = 0;
1748     }
1749
1750     client_change_allowed_actions(self);
1751
1752     if (reconfig)
1753         /* force reconfigure to make sure decorations are updated */
1754         client_reconfigure(self, TRUE);
1755 }
1756
1757 static void client_change_allowed_actions(ObClient *self)
1758 {
1759     gulong actions[12];
1760     gint num = 0;
1761
1762     /* desktop windows are kept on all desktops */
1763     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1764         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1765
1766     if (self->functions & OB_CLIENT_FUNC_SHADE)
1767         actions[num++] = prop_atoms.net_wm_action_shade;
1768     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1769         actions[num++] = prop_atoms.net_wm_action_close;
1770     if (self->functions & OB_CLIENT_FUNC_MOVE)
1771         actions[num++] = prop_atoms.net_wm_action_move;
1772     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1773         actions[num++] = prop_atoms.net_wm_action_minimize;
1774     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1775         actions[num++] = prop_atoms.net_wm_action_resize;
1776     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1777         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1778     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1779         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1780         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1781     }
1782     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1783         actions[num++] = prop_atoms.net_wm_action_above;
1784     if (self->functions & OB_CLIENT_FUNC_BELOW)
1785         actions[num++] = prop_atoms.net_wm_action_below;
1786     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1787         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1788
1789     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1790
1791     /* make sure the window isn't breaking any rules now */
1792
1793     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1794         if (self->frame) client_shade(self, FALSE);
1795         else self->shaded = FALSE;
1796     }
1797     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1798         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1799         else self->iconic = FALSE;
1800     }
1801     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1802         if (self->frame) client_fullscreen(self, FALSE);
1803         else self->fullscreen = FALSE;
1804     }
1805     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1806                                                          self->max_vert)) {
1807         if (self->frame) client_maximize(self, FALSE, 0);
1808         else self->max_vert = self->max_horz = FALSE;
1809     }
1810 }
1811
1812 void client_update_wmhints(ObClient *self)
1813 {
1814     XWMHints *hints;
1815
1816     /* assume a window takes input if it doesnt specify */
1817     self->can_focus = TRUE;
1818
1819     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1820         gboolean ur;
1821
1822         if (hints->flags & InputHint)
1823             self->can_focus = hints->input;
1824
1825         /* only do this when first managing the window *AND* when we aren't
1826            starting up! */
1827         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1828             if (hints->flags & StateHint)
1829                 self->iconic = hints->initial_state == IconicState;
1830
1831         ur = self->urgent;
1832         self->urgent = (hints->flags & XUrgencyHint);
1833         if (self->urgent && !ur)
1834             client_hilite(self, TRUE);
1835         else if (!self->urgent && ur && self->demands_attention)
1836             client_hilite(self, FALSE);
1837
1838         if (!(hints->flags & WindowGroupHint))
1839             hints->window_group = None;
1840
1841         /* did the group state change? */
1842         if (hints->window_group !=
1843             (self->group ? self->group->leader : None))
1844         {
1845             ObGroup *oldgroup = self->group;
1846
1847             /* remove from the old group if there was one */
1848             if (self->group != NULL) {
1849                 group_remove(self->group, self);
1850                 self->group = NULL;
1851             }
1852
1853             /* add ourself to the group if we have one */
1854             if (hints->window_group != None) {
1855                 self->group = group_add(hints->window_group, self);
1856             }
1857
1858             /* Put ourselves into the new group's transient tree, and remove
1859                ourselves from the old group's */
1860             client_update_transient_tree(self, oldgroup, self->group,
1861                                          self->transient_for_group,
1862                                          self->transient_for_group,
1863                                          client_direct_parent(self),
1864                                          client_direct_parent(self));
1865
1866             /* Lastly, being in a group, or not, can change if the window is
1867                transient for anything.
1868
1869                The logic for this is:
1870                self->transient = TRUE always if the window wants to be
1871                transient for something, even if transient_for was NULL because
1872                it wasn't in a group before.
1873
1874                If parents was NULL and oldgroup was NULL we can assume
1875                that when we add the new group, it will become transient for
1876                something.
1877
1878                If transient_for_group is TRUE, then it must have already
1879                had a group. If it is getting a new group, the above call to
1880                client_update_transient_tree has already taken care of
1881                everything ! If it is losing all group status then it will
1882                no longer be transient for anything and that needs to be
1883                updated.
1884             */
1885             if (self->transient &&
1886                 ((self->parents == NULL && oldgroup == NULL) ||
1887                  (self->transient_for_group && !self->group)))
1888                 client_update_transient_for(self);
1889         }
1890
1891         /* the WM_HINTS can contain an icon */
1892         if (hints->flags & IconPixmapHint)
1893             client_update_icons(self);
1894
1895         XFree(hints);
1896     }
1897 }
1898
1899 void client_update_title(ObClient *self)
1900 {
1901     gchar *data = NULL;
1902     gchar *visible = NULL;
1903
1904     g_free(self->title);
1905
1906     /* try netwm */
1907     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1908         /* try old x stuff */
1909         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1910               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1911             if (self->transient) {
1912                 /*
1913                   GNOME alert windows are not given titles:
1914                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1915                 */
1916                 data = g_strdup("");
1917             } else
1918                 data = g_strdup("Unnamed Window");
1919         }
1920     }
1921
1922     if (self->client_machine) {
1923         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1924         g_free(data);
1925     } else
1926         visible = data;
1927
1928     PROP_SETS(self->window, net_wm_visible_name, visible);
1929     self->title = visible;
1930
1931     if (self->frame)
1932         frame_adjust_title(self->frame);
1933
1934     /* update the icon title */
1935     data = NULL;
1936     g_free(self->icon_title);
1937
1938     /* try netwm */
1939     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1940         /* try old x stuff */
1941         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1942               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1943             data = g_strdup(self->title);
1944
1945     if (self->client_machine) {
1946         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1947         g_free(data);
1948     } else
1949         visible = data;
1950
1951     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1952     self->icon_title = visible;
1953 }
1954
1955 void client_update_strut(ObClient *self)
1956 {
1957     guint num;
1958     guint32 *data;
1959     gboolean got = FALSE;
1960     StrutPartial strut;
1961
1962     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1963                     &data, &num)) {
1964         if (num == 12) {
1965             got = TRUE;
1966             STRUT_PARTIAL_SET(strut,
1967                               data[0], data[2], data[1], data[3],
1968                               data[4], data[5], data[8], data[9],
1969                               data[6], data[7], data[10], data[11]);
1970         }
1971         g_free(data);
1972     }
1973
1974     if (!got &&
1975         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1976         if (num == 4) {
1977             Rect *a;
1978
1979             got = TRUE;
1980
1981             /* use the screen's width/height */
1982             a = screen_physical_area_all_monitors();
1983
1984             STRUT_PARTIAL_SET(strut,
1985                               data[0], data[2], data[1], data[3],
1986                               a->y, a->y + a->height - 1,
1987                               a->x, a->x + a->width - 1,
1988                               a->y, a->y + a->height - 1,
1989                               a->x, a->x + a->width - 1);
1990             g_free(a);
1991         }
1992         g_free(data);
1993     }
1994
1995     if (!got)
1996         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1997                           0, 0, 0, 0, 0, 0, 0, 0);
1998
1999     if (!STRUT_EQUAL(strut, self->strut)) {
2000         self->strut = strut;
2001
2002         /* updating here is pointless while we're being mapped cuz we're not in
2003            the client list yet */
2004         if (self->frame)
2005             screen_update_areas();
2006     }
2007 }
2008
2009 void client_update_icons(ObClient *self)
2010 {
2011     guint num;
2012     guint32 *data;
2013     guint w, h, i, j;
2014
2015     for (i = 0; i < self->nicons; ++i)
2016         g_free(self->icons[i].data);
2017     if (self->nicons > 0)
2018         g_free(self->icons);
2019     self->nicons = 0;
2020
2021     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2022         /* figure out how many valid icons are in here */
2023         i = 0;
2024         while (num - i > 2) {
2025             w = data[i++];
2026             h = data[i++];
2027             i += w * h;
2028             if (i > num || w*h == 0) break;
2029             ++self->nicons;
2030         }
2031
2032         self->icons = g_new(ObClientIcon, self->nicons);
2033
2034         /* store the icons */
2035         i = 0;
2036         for (j = 0; j < self->nicons; ++j) {
2037             guint x, y, t;
2038
2039             w = self->icons[j].width = data[i++];
2040             h = self->icons[j].height = data[i++];
2041
2042             if (w*h == 0) continue;
2043
2044             self->icons[j].data = g_new(RrPixel32, w * h);
2045             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2046                 if (x >= w) {
2047                     x = 0;
2048                     ++y;
2049                 }
2050                 self->icons[j].data[t] =
2051                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2052                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2053                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2054                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2055             }
2056             g_assert(i <= num);
2057         }
2058
2059         g_free(data);
2060     } else {
2061         XWMHints *hints;
2062
2063         if ((hints = XGetWMHints(ob_display, self->window))) {
2064             if (hints->flags & IconPixmapHint) {
2065                 self->nicons = 1;
2066                 self->icons = g_new(ObClientIcon, self->nicons);
2067                 xerror_set_ignore(TRUE);
2068                 if (!RrPixmapToRGBA(ob_rr_inst,
2069                                     hints->icon_pixmap,
2070                                     (hints->flags & IconMaskHint ?
2071                                      hints->icon_mask : None),
2072                                     &self->icons[0].width,
2073                                     &self->icons[0].height,
2074                                     &self->icons[0].data))
2075                 {
2076                     g_free(self->icons);
2077                     self->nicons = 0;
2078                 }
2079                 xerror_set_ignore(FALSE);
2080             }
2081             XFree(hints);
2082         }
2083     }
2084
2085     /* set the default icon onto the window
2086        in theory, this could be a race, but if a window doesn't set an icon
2087        or removes it entirely, it's not very likely it is going to set one
2088        right away afterwards
2089
2090        if it has parents, then one of them will have an icon already
2091     */
2092     if (self->nicons == 0 && !self->parents) {
2093         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2094         gulong *data;
2095
2096         data = g_new(gulong, 48*48+2);
2097         data[0] = data[1] =  48;
2098         for (i = 0; i < 48*48; ++i)
2099             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2100                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2101                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2102                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2103         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2104         g_free(data);
2105     } else if (self->frame)
2106         /* don't draw the icon empty if we're just setting one now anyways,
2107            we'll get the property change any second */
2108         frame_adjust_icon(self->frame);
2109 }
2110
2111 void client_update_user_time(ObClient *self)
2112 {
2113     guint32 time;
2114     gboolean got = FALSE;
2115
2116     if (self->user_time_window)
2117         got = PROP_GET32(self->user_time_window,
2118                          net_wm_user_time, cardinal, &time);
2119     if (!got)
2120         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2121
2122     if (got) {
2123         /* we set this every time, not just when it grows, because in practice
2124            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2125            backward we don't want all windows to stop focusing. we'll just
2126            assume noone is setting times older than the last one, cuz that
2127            would be pretty stupid anyways
2128         */
2129         self->user_time = time;
2130
2131         /*ob_debug("window %s user time %u\n", self->title, time);*/
2132     }
2133 }
2134
2135 void client_update_user_time_window(ObClient *self)
2136 {
2137     guint32 w;
2138
2139     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2140         w = None;
2141
2142     if (w != self->user_time_window) {
2143         /* remove the old window */
2144         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2145         self->user_time_window = None;
2146
2147         if (self->group && self->group->leader == w) {
2148             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2149                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2150             /* do it anyways..? */
2151         }
2152         else if (w == self->window) {
2153             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2154                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2155             w = None; /* don't do it */
2156         }
2157
2158         /* add the new window */
2159         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2160         self->user_time_window = w;
2161
2162         /* and update from it */
2163         client_update_user_time(self);
2164     }
2165 }
2166
2167 void client_update_icon_geometry(ObClient *self)
2168 {
2169     guint num;
2170     guint32 *data;
2171
2172     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2173
2174     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2175         && num == 4)
2176     {
2177         /* don't let them set it with an area < 0 */
2178         RECT_SET(self->icon_geometry, data[0], data[1],
2179                  MAX(data[2],0), MAX(data[3],0));
2180     }
2181 }
2182
2183 static void client_get_session_ids(ObClient *self)
2184 {
2185     guint32 leader;
2186     gboolean got;
2187     gchar *s;
2188     gchar **ss;
2189
2190     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2191         leader = None;
2192
2193     /* get the SM_CLIENT_ID */
2194     got = FALSE;
2195     if (leader)
2196         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2197     if (!got)
2198         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2199
2200     /* get the WM_CLASS (name and class). make them "" if they are not
2201        provided */
2202     got = FALSE;
2203     if (leader)
2204         got = PROP_GETSS(leader, wm_class, locale, &ss);
2205     if (!got)
2206         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2207
2208     if (got) {
2209         if (ss[0]) {
2210             self->name = g_strdup(ss[0]);
2211             if (ss[1])
2212                 self->class = g_strdup(ss[1]);
2213         }
2214         g_strfreev(ss);
2215     }
2216
2217     if (self->name == NULL) self->name = g_strdup("");
2218     if (self->class == NULL) self->class = g_strdup("");
2219
2220     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2221     got = FALSE;
2222     if (leader)
2223         got = PROP_GETS(leader, wm_window_role, locale, &s);
2224     if (!got)
2225         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2226
2227     if (got)
2228         self->role = s;
2229     else
2230         self->role = g_strdup("");
2231
2232     /* get the WM_COMMAND */
2233     got = FALSE;
2234
2235     if (leader)
2236         got = PROP_GETSS(leader, wm_command, locale, &ss);
2237     if (!got)
2238         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2239
2240     if (got) {
2241         /* merge/mash them all together */
2242         gchar *merge = NULL;
2243         gint i;
2244
2245         for (i = 0; ss[i]; ++i) {
2246             gchar *tmp = merge;
2247             if (merge)
2248                 merge = g_strconcat(merge, ss[i], NULL);
2249             else
2250                 merge = g_strconcat(ss[i], NULL);
2251             g_free(tmp);
2252         }
2253         g_strfreev(ss);
2254
2255         self->wm_command = merge;
2256     }
2257
2258     /* get the WM_CLIENT_MACHINE */
2259     got = FALSE;
2260     if (leader)
2261         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2262     if (!got)
2263         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2264
2265     if (got) {
2266         gchar localhost[128];
2267
2268         gethostname(localhost, 127);
2269         localhost[127] = '\0';
2270         if (strcmp(localhost, s) != 0)
2271             self->client_machine = s;
2272         else
2273             g_free(s);
2274     }
2275 }
2276
2277 static void client_change_wm_state(ObClient *self)
2278 {
2279     gulong state[2];
2280     glong old;
2281
2282     old = self->wmstate;
2283
2284     if (self->shaded || self->iconic ||
2285         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2286     {
2287         self->wmstate = IconicState;
2288     } else
2289         self->wmstate = NormalState;
2290
2291     if (old != self->wmstate) {
2292         PROP_MSG(self->window, kde_wm_change_state,
2293                  self->wmstate, 1, 0, 0);
2294
2295         state[0] = self->wmstate;
2296         state[1] = None;
2297         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2298     }
2299 }
2300
2301 static void client_change_state(ObClient *self)
2302 {
2303     gulong netstate[12];
2304     guint num;
2305
2306     num = 0;
2307     if (self->modal)
2308         netstate[num++] = prop_atoms.net_wm_state_modal;
2309     if (self->shaded)
2310         netstate[num++] = prop_atoms.net_wm_state_shaded;
2311     if (self->iconic)
2312         netstate[num++] = prop_atoms.net_wm_state_hidden;
2313     if (self->skip_taskbar)
2314         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2315     if (self->skip_pager)
2316         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2317     if (self->fullscreen)
2318         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2319     if (self->max_vert)
2320         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2321     if (self->max_horz)
2322         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2323     if (self->above)
2324         netstate[num++] = prop_atoms.net_wm_state_above;
2325     if (self->below)
2326         netstate[num++] = prop_atoms.net_wm_state_below;
2327     if (self->demands_attention)
2328         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2329     if (self->undecorated)
2330         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2331     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2332
2333     if (self->frame)
2334         frame_adjust_state(self->frame);
2335 }
2336
2337 ObClient *client_search_focus_tree(ObClient *self)
2338 {
2339     GSList *it;
2340     ObClient *ret;
2341
2342     for (it = self->transients; it; it = g_slist_next(it)) {
2343         if (client_focused(it->data)) return it->data;
2344         if ((ret = client_search_focus_tree(it->data))) return ret;
2345     }
2346     return NULL;
2347 }
2348
2349 ObClient *client_search_focus_tree_full(ObClient *self)
2350 {
2351     if (self->parents) {
2352         GSList *it;
2353
2354         for (it = self->parents; it; it = g_slist_next(it)) {
2355             ObClient *c = it->data;
2356             if ((c = client_search_focus_tree_full(it->data))) return c;
2357         }
2358
2359         return NULL;
2360     }
2361     else {
2362         /* this function checks the whole tree, the client_search_focus_tree
2363            does not, so we need to check this window */
2364         if (client_focused(self))
2365             return self;
2366         return client_search_focus_tree(self);
2367     }
2368 }
2369
2370 ObClient *client_search_focus_group_full(ObClient *self)
2371 {
2372     GSList *it;
2373
2374     if (self->group) {
2375         for (it = self->group->members; it; it = g_slist_next(it)) {
2376             ObClient *c = it->data;
2377
2378             if (client_focused(c)) return c;
2379             if ((c = client_search_focus_tree(it->data))) return c;
2380         }
2381     } else
2382         if (client_focused(self)) return self;
2383     return NULL;
2384 }
2385
2386 gboolean client_has_parent(ObClient *self)
2387 {
2388     return self->parents != NULL;
2389 }
2390
2391 static ObStackingLayer calc_layer(ObClient *self)
2392 {
2393     ObStackingLayer l;
2394     Rect *monitor;
2395
2396     monitor = screen_physical_area_monitor(client_monitor(self));
2397
2398     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2399         l = OB_STACKING_LAYER_DESKTOP;
2400     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2401         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2402         else l = OB_STACKING_LAYER_ABOVE;
2403     }
2404     else if ((self->fullscreen ||
2405               /* No decorations and fills the monitor = oldskool fullscreen.
2406                  But not for maximized windows.
2407               */
2408               (self->decorations == 0 &&
2409                !(self->max_horz && self->max_vert) &&
2410                RECT_EQUAL(self->area, *monitor))) &&
2411              (client_focused(self) || client_search_focus_tree(self)))
2412         l = OB_STACKING_LAYER_FULLSCREEN;
2413     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2414     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2415     else l = OB_STACKING_LAYER_NORMAL;
2416
2417     g_free(monitor);
2418
2419     return l;
2420 }
2421
2422 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2423                                         ObStackingLayer min)
2424 {
2425     ObStackingLayer old, own;
2426     GSList *it;
2427
2428     old = self->layer;
2429     own = calc_layer(self);
2430     self->layer = MAX(own, min);
2431
2432     if (self->layer != old) {
2433         stacking_remove(CLIENT_AS_WINDOW(self));
2434         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2435     }
2436
2437     for (it = self->transients; it; it = g_slist_next(it))
2438         client_calc_layer_recursive(it->data, orig,
2439                                     self->layer);
2440 }
2441
2442 void client_calc_layer(ObClient *self)
2443 {
2444     ObClient *orig;
2445     GSList *it;
2446
2447     orig = self;
2448
2449     /* transients take on the layer of their parents */
2450     it = client_search_all_top_parents(self);
2451
2452     for (; it; it = g_slist_next(it))
2453         client_calc_layer_recursive(it->data, orig, 0);
2454 }
2455
2456 gboolean client_should_show(ObClient *self)
2457 {
2458     if (self->iconic)
2459         return FALSE;
2460     if (client_normal(self) && screen_showing_desktop)
2461         return FALSE;
2462     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2463         return TRUE;
2464
2465     return FALSE;
2466 }
2467
2468 gboolean client_show(ObClient *self)
2469 {
2470     gboolean show = FALSE;
2471
2472     if (client_should_show(self)) {
2473         frame_show(self->frame);
2474         show = TRUE;
2475
2476         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2477            it needs to be in IconicState. This includes when it is on another
2478            desktop!
2479         */
2480         client_change_wm_state(self);
2481     }
2482     return show;
2483 }
2484
2485 gboolean client_hide(ObClient *self)
2486 {
2487     gboolean hide = FALSE;
2488
2489     if (!client_should_show(self)) {
2490         if (self == focus_client) {
2491             /* if there is a grab going on, then we need to cancel it. if we
2492                move focus during the grab, applications will get
2493                NotifyWhileGrabbed events and ignore them !
2494
2495                actions should not rely on being able to move focus during an
2496                interactive grab.
2497             */
2498             event_cancel_all_key_grabs();
2499         }
2500
2501         /* We don't need to ignore enter events here.
2502            The window can hide/iconify in 3 different ways:
2503            1 - through an x message. in this case we ignore all enter events
2504                caused by responding to the x message (unless underMouse)
2505            2 - by a keyboard action. in this case we ignore all enter events
2506                caused by the action
2507            3 - by a mouse action. in this case they are doing stuff with the
2508                mouse and focus _should_ move.
2509
2510            Also in action_end, we simulate an enter event that can't be ignored
2511            so trying to ignore them is futile in case 3 anyways
2512         */
2513
2514         frame_hide(self->frame);
2515         hide = TRUE;
2516
2517         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2518            it needs to be in IconicState. This includes when it is on another
2519            desktop!
2520         */
2521         client_change_wm_state(self);
2522     }
2523     return hide;
2524 }
2525
2526 void client_showhide(ObClient *self)
2527 {
2528     if (!client_show(self))
2529         client_hide(self);
2530 }
2531
2532 gboolean client_normal(ObClient *self) {
2533     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2534               self->type == OB_CLIENT_TYPE_DOCK ||
2535               self->type == OB_CLIENT_TYPE_SPLASH);
2536 }
2537
2538 gboolean client_helper(ObClient *self)
2539 {
2540     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2541             self->type == OB_CLIENT_TYPE_MENU ||
2542             self->type == OB_CLIENT_TYPE_TOOLBAR);
2543 }
2544
2545 gboolean client_mouse_focusable(ObClient *self)
2546 {
2547     return !(self->type == OB_CLIENT_TYPE_MENU ||
2548              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2549              self->type == OB_CLIENT_TYPE_SPLASH ||
2550              self->type == OB_CLIENT_TYPE_DOCK);
2551 }
2552
2553 gboolean client_enter_focusable(ObClient *self)
2554 {
2555     /* you can focus desktops but it shouldn't on enter */
2556     return (client_mouse_focusable(self) &&
2557             self->type != OB_CLIENT_TYPE_DESKTOP);
2558 }
2559
2560
2561 static void client_apply_startup_state(ObClient *self,
2562                                        gint x, gint y, gint w, gint h)
2563 {
2564     /* save the states that we are going to apply */
2565     gboolean iconic = self->iconic;
2566     gboolean fullscreen = self->fullscreen;
2567     gboolean undecorated = self->undecorated;
2568     gboolean shaded = self->shaded;
2569     gboolean demands_attention = self->demands_attention;
2570     gboolean max_horz = self->max_horz;
2571     gboolean max_vert = self->max_vert;
2572     Rect oldarea;
2573     gint l;
2574
2575     /* turn them all off in the client, so they won't affect the window
2576        being placed */
2577     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2578         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2579
2580     /* move the client to its placed position, or it it's already there,
2581        generate a ConfigureNotify telling the client where it is.
2582
2583        do this after adjusting the frame. otherwise it gets all weird and
2584        clients don't work right
2585
2586        do this before applying the states so they have the correct
2587        pre-max/pre-fullscreen values
2588     */
2589     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2590     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2591              self->window, x, y, w, h);
2592     /* save the area, and make it where it should be for the premax stuff */
2593     oldarea = self->area;
2594     RECT_SET(self->area, x, y, w, h);
2595
2596     /* apply the states. these are in a carefully crafted order.. */
2597
2598     if (iconic)
2599         client_iconify(self, TRUE, FALSE, TRUE);
2600     if (fullscreen)
2601         client_fullscreen(self, TRUE);
2602     if (undecorated)
2603         client_set_undecorated(self, TRUE);
2604     if (shaded)
2605         client_shade(self, TRUE);
2606     if (demands_attention)
2607         client_hilite(self, TRUE);
2608
2609     if (max_vert && max_horz)
2610         client_maximize(self, TRUE, 0);
2611     else if (max_vert)
2612         client_maximize(self, TRUE, 2);
2613     else if (max_horz)
2614         client_maximize(self, TRUE, 1);
2615
2616     /* if the window hasn't been configured yet, then do so now, in fact the
2617        x,y,w,h may _not_ be the same as the area rect, which can end up
2618        meaning that the client isn't properly moved/resized by the fullscreen
2619        function
2620        pho can cause this because it maps at size of the screen but not 0,0
2621        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2622        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2623        cuz thats where the pre-fullscreen will be. however the actual area is
2624        not, so this needs to be called even if we have fullscreened/maxed
2625     */
2626     self->area = oldarea;
2627     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2628
2629     /* set the desktop hint, to make sure that it always exists */
2630     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2631
2632     /* nothing to do for the other states:
2633        skip_taskbar
2634        skip_pager
2635        modal
2636        above
2637        below
2638     */
2639 }
2640
2641 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2642 {
2643     /* these should be the current values. this is for when you're not moving,
2644        just resizing */
2645     g_assert(*x == self->area.x);
2646     g_assert(oldw == self->area.width);
2647
2648     /* horizontal */
2649     switch (self->gravity) {
2650     default:
2651     case NorthWestGravity:
2652     case WestGravity:
2653     case SouthWestGravity:
2654     case StaticGravity:
2655     case ForgetGravity:
2656         break;
2657     case NorthGravity:
2658     case CenterGravity:
2659     case SouthGravity:
2660         *x -= (neww - oldw) / 2;
2661         break;
2662     case NorthEastGravity:
2663     case EastGravity:
2664     case SouthEastGravity:
2665         *x -= neww - oldw;
2666         break;
2667     }
2668 }
2669
2670 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2671 {
2672     /* these should be the current values. this is for when you're not moving,
2673        just resizing */
2674     g_assert(*y == self->area.y);
2675     g_assert(oldh == self->area.height);
2676
2677     /* vertical */
2678     switch (self->gravity) {
2679     default:
2680     case NorthWestGravity:
2681     case NorthGravity:
2682     case NorthEastGravity:
2683     case StaticGravity:
2684     case ForgetGravity:
2685         break;
2686     case WestGravity:
2687     case CenterGravity:
2688     case EastGravity:
2689         *y -= (newh - oldh) / 2;
2690         break;
2691     case SouthWestGravity:
2692     case SouthGravity:
2693     case SouthEastGravity:
2694         *y -= newh - oldh;
2695         break;
2696     }
2697 }
2698
2699 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2700                           gint *logicalw, gint *logicalh,
2701                           gboolean user)
2702 {
2703     Rect desired = {*x, *y, *w, *h};
2704     frame_rect_to_frame(self->frame, &desired);
2705
2706     /* make the frame recalculate its dimentions n shit without changing
2707        anything visible for real, this way the constraints below can work with
2708        the updated frame dimensions. */
2709     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2710
2711     /* gets the frame's position */
2712     frame_client_gravity(self->frame, x, y);
2713
2714     /* these positions are frame positions, not client positions */
2715
2716     /* set the size and position if fullscreen */
2717     if (self->fullscreen) {
2718         Rect *a;
2719         guint i;
2720
2721         i = screen_find_monitor(&desired);
2722         a = screen_physical_area_monitor(i);
2723
2724         *x = a->x;
2725         *y = a->y;
2726         *w = a->width;
2727         *h = a->height;
2728
2729         user = FALSE; /* ignore if the client can't be moved/resized when it
2730                          is fullscreening */
2731
2732         g_free(a);
2733     } else if (self->max_horz || self->max_vert) {
2734         Rect *a;
2735         guint i;
2736
2737         /* use all possible struts when maximizing to the full screen */
2738         i = screen_find_monitor(&desired);
2739         a = screen_area(self->desktop, i,
2740                         (self->max_horz && self->max_vert ? NULL : &desired));
2741
2742         /* set the size and position if maximized */
2743         if (self->max_horz) {
2744             *x = a->x;
2745             *w = a->width - self->frame->size.left - self->frame->size.right;
2746         }
2747         if (self->max_vert) {
2748             *y = a->y;
2749             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2750         }
2751
2752         user = FALSE; /* ignore if the client can't be moved/resized when it
2753                          is maximizing */
2754
2755         g_free(a);
2756     }
2757
2758     /* gets the client's position */
2759     frame_frame_gravity(self->frame, x, y);
2760
2761     /* work within the prefered sizes given by the window */
2762     if (!(*w == self->area.width && *h == self->area.height)) {
2763         gint basew, baseh, minw, minh;
2764         gint incw, inch;
2765         gfloat minratio, maxratio;
2766
2767         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2768         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2769         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2770             0 : self->min_ratio;
2771         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2772             0 : self->max_ratio;
2773
2774         /* base size is substituted with min size if not specified */
2775         if (self->base_size.width || self->base_size.height) {
2776             basew = self->base_size.width;
2777             baseh = self->base_size.height;
2778         } else {
2779             basew = self->min_size.width;
2780             baseh = self->min_size.height;
2781         }
2782         /* min size is substituted with base size if not specified */
2783         if (self->min_size.width || self->min_size.height) {
2784             minw = self->min_size.width;
2785             minh = self->min_size.height;
2786         } else {
2787             minw = self->base_size.width;
2788             minh = self->base_size.height;
2789         }
2790
2791         /* if this is a user-requested resize, then check against min/max
2792            sizes */
2793
2794         /* smaller than min size or bigger than max size? */
2795         if (*w > self->max_size.width) *w = self->max_size.width;
2796         if (*w < minw) *w = minw;
2797         if (*h > self->max_size.height) *h = self->max_size.height;
2798         if (*h < minh) *h = minh;
2799
2800         *w -= basew;
2801         *h -= baseh;
2802
2803         /* keep to the increments */
2804         *w /= incw;
2805         *h /= inch;
2806
2807         /* you cannot resize to nothing */
2808         if (basew + *w < 1) *w = 1 - basew;
2809         if (baseh + *h < 1) *h = 1 - baseh;
2810
2811         /* save the logical size */
2812         *logicalw = incw > 1 ? *w : *w + basew;
2813         *logicalh = inch > 1 ? *h : *h + baseh;
2814
2815         *w *= incw;
2816         *h *= inch;
2817
2818         *w += basew;
2819         *h += baseh;
2820
2821         /* adjust the height to match the width for the aspect ratios.
2822            for this, min size is not substituted for base size ever. */
2823         *w -= self->base_size.width;
2824         *h -= self->base_size.height;
2825
2826         if (minratio)
2827             if (*h * minratio > *w) {
2828                 *h = (gint)(*w / minratio);
2829
2830                 /* you cannot resize to nothing */
2831                 if (*h < 1) {
2832                     *h = 1;
2833                     *w = (gint)(*h * minratio);
2834                 }
2835             }
2836         if (maxratio)
2837             if (*h * maxratio < *w) {
2838                 *h = (gint)(*w / maxratio);
2839
2840                 /* you cannot resize to nothing */
2841                 if (*h < 1) {
2842                     *h = 1;
2843                     *w = (gint)(*h * minratio);
2844                 }
2845             }
2846
2847         *w += self->base_size.width;
2848         *h += self->base_size.height;
2849     }
2850
2851     /* these override the above states! if you cant move you can't move! */
2852     if (user) {
2853         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2854             *x = self->area.x;
2855             *y = self->area.y;
2856         }
2857         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2858             *w = self->area.width;
2859             *h = self->area.height;
2860         }
2861     }
2862
2863     g_assert(*w > 0);
2864     g_assert(*h > 0);
2865 }
2866
2867
2868 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2869                       gboolean user, gboolean final, gboolean force_reply)
2870 {
2871     gint oldw, oldh;
2872     gboolean send_resize_client;
2873     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2874     gboolean fmoved, fresized;
2875     guint fdecor = self->frame->decorations;
2876     gboolean fhorz = self->frame->max_horz;
2877     gboolean fvert = self->frame->max_vert;
2878     gint logicalw, logicalh;
2879
2880     /* find the new x, y, width, and height (and logical size) */
2881     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2882
2883     /* set the logical size if things changed */
2884     if (!(w == self->area.width && h == self->area.height))
2885         SIZE_SET(self->logical_size, logicalw, logicalh);
2886
2887     /* figure out if we moved or resized or what */
2888     moved = (x != self->area.x || y != self->area.y);
2889     resized = (w != self->area.width || h != self->area.height);
2890
2891     oldw = self->area.width;
2892     oldh = self->area.height;
2893     RECT_SET(self->area, x, y, w, h);
2894
2895     /* for app-requested resizes, always resize if 'resized' is true.
2896        for user-requested ones, only resize if final is true, or when
2897        resizing in redraw mode */
2898     send_resize_client = ((!user && resized) ||
2899                           (user && (final ||
2900                                     (resized && config_resize_redraw))));
2901
2902     /* if the client is enlarging, then resize the client before the frame */
2903     if (send_resize_client && (w > oldw || h > oldh)) {
2904         XMoveResizeWindow(ob_display, self->window,
2905                           self->frame->size.left, self->frame->size.top,
2906                           MAX(w, oldw), MAX(h, oldh));
2907         frame_adjust_client_area(self->frame);
2908     }
2909
2910     /* find the frame's dimensions and move/resize it */
2911     fmoved = moved;
2912     fresized = resized;
2913
2914     /* if decorations changed, then readjust everything for the frame */
2915     if (self->decorations != fdecor ||
2916         self->max_horz != fhorz || self->max_vert != fvert)
2917     {
2918         fmoved = fresized = TRUE;
2919     }
2920
2921     /* adjust the frame */
2922     if (fmoved || fresized) {
2923         gulong ignore_start;
2924         if (!user)
2925             ignore_start = event_start_ignore_all_enters();
2926
2927         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2928
2929         if (!user)
2930             event_end_ignore_all_enters(ignore_start);
2931     }
2932
2933     if (!user || final) {
2934         gint oldrx = self->root_pos.x;
2935         gint oldry = self->root_pos.y;
2936         /* we have reset the client to 0 border width, so don't include
2937            it in these coords */
2938         POINT_SET(self->root_pos,
2939                   self->frame->area.x + self->frame->size.left -
2940                   self->border_width,
2941                   self->frame->area.y + self->frame->size.top -
2942                   self->border_width);
2943         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
2944             rootmoved = TRUE;
2945     }
2946
2947     /* This is kinda tricky and should not be changed.. let me explain!
2948
2949        When user = FALSE, then the request is coming from the application
2950        itself, and we are more strict about when to send a synthetic
2951        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
2952        in this case (if force_reply is true)
2953
2954        When user = TRUE, then the request is coming from "us", like when we
2955        maximize a window or something.  In this case we are more lenient.  We
2956        used to follow the same rules as above, but _Java_ Swing can't handle
2957        this. So just to appease Swing, when user = TRUE, we always send
2958        a synthetic ConfigureNotify to give the window its root coordinates.
2959     */
2960     if ((!user && !resized && (rootmoved || force_reply)) ||
2961         (user && final && rootmoved))
2962     {
2963         XEvent event;
2964
2965         event.type = ConfigureNotify;
2966         event.xconfigure.display = ob_display;
2967         event.xconfigure.event = self->window;
2968         event.xconfigure.window = self->window;
2969
2970         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2971                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2972
2973         /* root window real coords */
2974         event.xconfigure.x = self->root_pos.x;
2975         event.xconfigure.y = self->root_pos.y;
2976         event.xconfigure.width = w;
2977         event.xconfigure.height = h;
2978         event.xconfigure.border_width = self->border_width;
2979         event.xconfigure.above = None;
2980         event.xconfigure.override_redirect = FALSE;
2981         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2982                    FALSE, StructureNotifyMask, &event);
2983     }
2984
2985     /* if the client is shrinking, then resize the frame before the client.
2986
2987        both of these resize sections may run, because the top one only resizes
2988        in the direction that is growing
2989      */
2990     if (send_resize_client && (w <= oldw || h <= oldh)) {
2991         frame_adjust_client_area(self->frame);
2992         XMoveResizeWindow(ob_display, self->window,
2993                           self->frame->size.left, self->frame->size.top, w, h);
2994     }
2995
2996     XFlush(ob_display);
2997 }
2998
2999 void client_fullscreen(ObClient *self, gboolean fs)
3000 {
3001     gint x, y, w, h;
3002
3003     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3004         self->fullscreen == fs) return;                   /* already done */
3005
3006     self->fullscreen = fs;
3007     client_change_state(self); /* change the state hints on the client */
3008
3009     if (fs) {
3010         self->pre_fullscreen_area = self->area;
3011         /* if the window is maximized, its area isn't all that meaningful.
3012            save it's premax area instead. */
3013         if (self->max_horz) {
3014             self->pre_fullscreen_area.x = self->pre_max_area.x;
3015             self->pre_fullscreen_area.width = self->pre_max_area.width;
3016         }
3017         if (self->max_vert) {
3018             self->pre_fullscreen_area.y = self->pre_max_area.y;
3019             self->pre_fullscreen_area.height = self->pre_max_area.height;
3020         }
3021
3022         /* these will help configure_full figure out where to fullscreen
3023            the window */
3024         x = self->area.x;
3025         y = self->area.y;
3026         w = self->area.width;
3027         h = self->area.height;
3028     } else {
3029         g_assert(self->pre_fullscreen_area.width > 0 &&
3030                  self->pre_fullscreen_area.height > 0);
3031
3032         x = self->pre_fullscreen_area.x;
3033         y = self->pre_fullscreen_area.y;
3034         w = self->pre_fullscreen_area.width;
3035         h = self->pre_fullscreen_area.height;
3036         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3037     }
3038
3039     ob_debug("Window %s going fullscreen (%d)\n",
3040              self->title, self->fullscreen);
3041
3042     client_setup_decor_and_functions(self, FALSE);
3043     client_move_resize(self, x, y, w, h);
3044
3045     /* and adjust our layer/stacking. do this after resizing the window,
3046        and applying decorations, because windows which fill the screen are
3047        considered "fullscreen" and it affects their layer */
3048     client_calc_layer(self);
3049
3050     if (fs) {
3051         /* try focus us when we go into fullscreen mode */
3052         client_focus(self);
3053     }
3054 }
3055
3056 static void client_iconify_recursive(ObClient *self,
3057                                      gboolean iconic, gboolean curdesk,
3058                                      gboolean hide_animation)
3059 {
3060     GSList *it;
3061     gboolean changed = FALSE;
3062
3063
3064     if (self->iconic != iconic) {
3065         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3066                  self->window);
3067
3068         if (iconic) {
3069             /* don't let non-normal windows iconify along with their parents
3070                or whatever */
3071             if (client_normal(self)) {
3072                 self->iconic = iconic;
3073
3074                 /* update the focus lists.. iconic windows go to the bottom of
3075                    the list */
3076                 focus_order_to_bottom(self);
3077
3078                 changed = TRUE;
3079             }
3080         } else {
3081             self->iconic = iconic;
3082
3083             if (curdesk && self->desktop != screen_desktop &&
3084                 self->desktop != DESKTOP_ALL)
3085                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3086
3087             /* this puts it after the current focused window */
3088             focus_order_remove(self);
3089             focus_order_add_new(self);
3090
3091             changed = TRUE;
3092         }
3093     }
3094
3095     if (changed) {
3096         client_change_state(self);
3097         if (config_animate_iconify && !hide_animation)
3098             frame_begin_iconify_animation(self->frame, iconic);
3099         /* do this after starting the animation so it doesn't flash */
3100         client_showhide(self);
3101     }
3102
3103     /* iconify all direct transients, and deiconify all transients
3104        (non-direct too) */
3105     for (it = self->transients; it; it = g_slist_next(it))
3106         if (it->data != self)
3107             if (client_is_direct_child(self, it->data) || !iconic)
3108                 client_iconify_recursive(it->data, iconic, curdesk,
3109                                          hide_animation);
3110 }
3111
3112 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3113                     gboolean hide_animation)
3114 {
3115     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3116         /* move up the transient chain as far as possible first */
3117         self = client_search_top_direct_parent(self);
3118         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3119     }
3120 }
3121
3122 void client_maximize(ObClient *self, gboolean max, gint dir)
3123 {
3124     gint x, y, w, h;
3125
3126     g_assert(dir == 0 || dir == 1 || dir == 2);
3127     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3128
3129     /* check if already done */
3130     if (max) {
3131         if (dir == 0 && self->max_horz && self->max_vert) return;
3132         if (dir == 1 && self->max_horz) return;
3133         if (dir == 2 && self->max_vert) return;
3134     } else {
3135         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3136         if (dir == 1 && !self->max_horz) return;
3137         if (dir == 2 && !self->max_vert) return;
3138     }
3139
3140     /* these will help configure_full figure out which screen to fill with
3141        the window */
3142     x = self->area.x;
3143     y = self->area.y;
3144     w = self->area.width;
3145     h = self->area.height;
3146
3147     if (max) {
3148         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3149             RECT_SET(self->pre_max_area,
3150                      self->area.x, self->pre_max_area.y,
3151                      self->area.width, self->pre_max_area.height);
3152         }
3153         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3154             RECT_SET(self->pre_max_area,
3155                      self->pre_max_area.x, self->area.y,
3156                      self->pre_max_area.width, self->area.height);
3157         }
3158     } else {
3159         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3160             g_assert(self->pre_max_area.width > 0);
3161
3162             x = self->pre_max_area.x;
3163             w = self->pre_max_area.width;
3164
3165             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3166                      0, self->pre_max_area.height);
3167         }
3168         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3169             g_assert(self->pre_max_area.height > 0);
3170
3171             y = self->pre_max_area.y;
3172             h = self->pre_max_area.height;
3173
3174             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3175                      self->pre_max_area.width, 0);
3176         }
3177     }
3178
3179     if (dir == 0 || dir == 1) /* horz */
3180         self->max_horz = max;
3181     if (dir == 0 || dir == 2) /* vert */
3182         self->max_vert = max;
3183
3184     client_change_state(self); /* change the state hints on the client */
3185
3186     client_setup_decor_and_functions(self, FALSE);
3187     client_move_resize(self, x, y, w, h);
3188 }
3189
3190 void client_shade(ObClient *self, gboolean shade)
3191 {
3192     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3193          shade) ||                         /* can't shade */
3194         self->shaded == shade) return;     /* already done */
3195
3196     self->shaded = shade;
3197     client_change_state(self);
3198     client_change_wm_state(self); /* the window is being hidden/shown */
3199     /* resize the frame to just the titlebar */
3200     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3201 }
3202
3203 void client_close(ObClient *self)
3204 {
3205     XEvent ce;
3206
3207     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3208
3209     /* in the case that the client provides no means to requesting that it
3210        close, we just kill it */
3211     if (!self->delete_window)
3212         client_kill(self);
3213
3214     /*
3215       XXX: itd be cool to do timeouts and shit here for killing the client's
3216       process off
3217       like... if the window is around after 5 seconds, then the close button
3218       turns a nice red, and if this function is called again, the client is
3219       explicitly killed.
3220     */
3221
3222     ce.xclient.type = ClientMessage;
3223     ce.xclient.message_type =  prop_atoms.wm_protocols;
3224     ce.xclient.display = ob_display;
3225     ce.xclient.window = self->window;
3226     ce.xclient.format = 32;
3227     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3228     ce.xclient.data.l[1] = event_curtime;
3229     ce.xclient.data.l[2] = 0l;
3230     ce.xclient.data.l[3] = 0l;
3231     ce.xclient.data.l[4] = 0l;
3232     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3233 }
3234
3235 void client_kill(ObClient *self)
3236 {
3237     XKillClient(ob_display, self->window);
3238 }
3239
3240 void client_hilite(ObClient *self, gboolean hilite)
3241 {
3242     if (self->demands_attention == hilite)
3243         return; /* no change */
3244
3245     /* don't allow focused windows to hilite */
3246     self->demands_attention = hilite && !client_focused(self);
3247     if (self->frame != NULL) { /* if we're mapping, just set the state */
3248         if (self->demands_attention)
3249             frame_flash_start(self->frame);
3250         else
3251             frame_flash_stop(self->frame);
3252         client_change_state(self);
3253     }
3254 }
3255
3256 void client_set_desktop_recursive(ObClient *self,
3257                                   guint target,
3258                                   gboolean donthide,
3259                                   gboolean dontraise)
3260 {
3261     guint old;
3262     GSList *it;
3263
3264     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3265
3266         ob_debug("Setting desktop %u\n", target+1);
3267
3268         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3269
3270         old = self->desktop;
3271         self->desktop = target;
3272         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3273         /* the frame can display the current desktop state */
3274         frame_adjust_state(self->frame);
3275         /* 'move' the window to the new desktop */
3276         if (!donthide)
3277             client_hide(self);
3278         client_show(self);
3279         /* raise if it was not already on the desktop */
3280         if (old != DESKTOP_ALL && !dontraise)
3281             stacking_raise(CLIENT_AS_WINDOW(self));
3282         if (STRUT_EXISTS(self->strut))
3283             screen_update_areas();
3284         else
3285             /* the new desktop's geometry may be different, so we may need to
3286                resize, for example if we are maximized */
3287             client_reconfigure(self, FALSE);
3288     }
3289
3290     /* move all transients */
3291     for (it = self->transients; it; it = g_slist_next(it))
3292         if (it->data != self)
3293             if (client_is_direct_child(self, it->data))
3294                 client_set_desktop_recursive(it->data, target,
3295                                              donthide, dontraise);
3296 }
3297
3298 void client_set_desktop(ObClient *self, guint target,
3299                         gboolean donthide, gboolean dontraise)
3300 {
3301     self = client_search_top_direct_parent(self);
3302     client_set_desktop_recursive(self, target, donthide, dontraise);
3303 }
3304
3305 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3306 {
3307     while (child != parent && (child = client_direct_parent(child)));
3308     return child == parent;
3309 }
3310
3311 ObClient *client_search_modal_child(ObClient *self)
3312 {
3313     GSList *it;
3314     ObClient *ret;
3315
3316     for (it = self->transients; it; it = g_slist_next(it)) {
3317         ObClient *c = it->data;
3318         if ((ret = client_search_modal_child(c))) return ret;
3319         if (c->modal) return c;
3320     }
3321     return NULL;
3322 }
3323
3324 gboolean client_validate(ObClient *self)
3325 {
3326     XEvent e;
3327
3328     XSync(ob_display, FALSE); /* get all events on the server */
3329
3330     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3331         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3332         XPutBackEvent(ob_display, &e);
3333         return FALSE;
3334     }
3335
3336     return TRUE;
3337 }
3338
3339 void client_set_wm_state(ObClient *self, glong state)
3340 {
3341     if (state == self->wmstate) return; /* no change */
3342
3343     switch (state) {
3344     case IconicState:
3345         client_iconify(self, TRUE, TRUE, FALSE);
3346         break;
3347     case NormalState:
3348         client_iconify(self, FALSE, TRUE, FALSE);
3349         break;
3350     }
3351 }
3352
3353 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3354 {
3355     gboolean shaded = self->shaded;
3356     gboolean fullscreen = self->fullscreen;
3357     gboolean undecorated = self->undecorated;
3358     gboolean max_horz = self->max_horz;
3359     gboolean max_vert = self->max_vert;
3360     gboolean modal = self->modal;
3361     gboolean iconic = self->iconic;
3362     gboolean demands_attention = self->demands_attention;
3363     gboolean above = self->above;
3364     gboolean below = self->below;
3365     gint i;
3366
3367     if (!(action == prop_atoms.net_wm_state_add ||
3368           action == prop_atoms.net_wm_state_remove ||
3369           action == prop_atoms.net_wm_state_toggle))
3370         /* an invalid action was passed to the client message, ignore it */
3371         return;
3372
3373     for (i = 0; i < 2; ++i) {
3374         Atom state = i == 0 ? data1 : data2;
3375
3376         if (!state) continue;
3377
3378         /* if toggling, then pick whether we're adding or removing */
3379         if (action == prop_atoms.net_wm_state_toggle) {
3380             if (state == prop_atoms.net_wm_state_modal)
3381                 action = modal ? prop_atoms.net_wm_state_remove :
3382                     prop_atoms.net_wm_state_add;
3383             else if (state == prop_atoms.net_wm_state_maximized_vert)
3384                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3385                     prop_atoms.net_wm_state_add;
3386             else if (state == prop_atoms.net_wm_state_maximized_horz)
3387                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3388                     prop_atoms.net_wm_state_add;
3389             else if (state == prop_atoms.net_wm_state_shaded)
3390                 action = shaded ? prop_atoms.net_wm_state_remove :
3391                     prop_atoms.net_wm_state_add;
3392             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3393                 action = self->skip_taskbar ?
3394                     prop_atoms.net_wm_state_remove :
3395                     prop_atoms.net_wm_state_add;
3396             else if (state == prop_atoms.net_wm_state_skip_pager)
3397                 action = self->skip_pager ?
3398                     prop_atoms.net_wm_state_remove :
3399                     prop_atoms.net_wm_state_add;
3400             else if (state == prop_atoms.net_wm_state_hidden)
3401                 action = self->iconic ?
3402                     prop_atoms.net_wm_state_remove :
3403                     prop_atoms.net_wm_state_add;
3404             else if (state == prop_atoms.net_wm_state_fullscreen)
3405                 action = fullscreen ?
3406                     prop_atoms.net_wm_state_remove :
3407                     prop_atoms.net_wm_state_add;
3408             else if (state == prop_atoms.net_wm_state_above)
3409                 action = self->above ? prop_atoms.net_wm_state_remove :
3410                     prop_atoms.net_wm_state_add;
3411             else if (state == prop_atoms.net_wm_state_below)
3412                 action = self->below ? prop_atoms.net_wm_state_remove :
3413                     prop_atoms.net_wm_state_add;
3414             else if (state == prop_atoms.net_wm_state_demands_attention)
3415                 action = self->demands_attention ?
3416                     prop_atoms.net_wm_state_remove :
3417                     prop_atoms.net_wm_state_add;
3418             else if (state == prop_atoms.ob_wm_state_undecorated)
3419                 action = undecorated ? prop_atoms.net_wm_state_remove :
3420                     prop_atoms.net_wm_state_add;
3421         }
3422
3423         if (action == prop_atoms.net_wm_state_add) {
3424             if (state == prop_atoms.net_wm_state_modal) {
3425                 modal = TRUE;
3426             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3427                 max_vert = TRUE;
3428             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3429                 max_horz = TRUE;
3430             } else if (state == prop_atoms.net_wm_state_shaded) {
3431                 shaded = TRUE;
3432             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3433                 self->skip_taskbar = TRUE;
3434             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3435                 self->skip_pager = TRUE;
3436             } else if (state == prop_atoms.net_wm_state_hidden) {
3437                 iconic = TRUE;
3438             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3439                 fullscreen = TRUE;
3440             } else if (state == prop_atoms.net_wm_state_above) {
3441                 above = TRUE;
3442                 below = FALSE;
3443             } else if (state == prop_atoms.net_wm_state_below) {
3444                 above = FALSE;
3445                 below = TRUE;
3446             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3447                 demands_attention = TRUE;
3448             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3449                 undecorated = TRUE;
3450             }
3451
3452         } else { /* action == prop_atoms.net_wm_state_remove */
3453             if (state == prop_atoms.net_wm_state_modal) {
3454                 modal = FALSE;
3455             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3456                 max_vert = FALSE;
3457             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3458                 max_horz = FALSE;
3459             } else if (state == prop_atoms.net_wm_state_shaded) {
3460                 shaded = FALSE;
3461             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3462                 self->skip_taskbar = FALSE;
3463             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3464                 self->skip_pager = FALSE;
3465             } else if (state == prop_atoms.net_wm_state_hidden) {
3466                 iconic = FALSE;
3467             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3468                 fullscreen = FALSE;
3469             } else if (state == prop_atoms.net_wm_state_above) {
3470                 above = FALSE;
3471             } else if (state == prop_atoms.net_wm_state_below) {
3472                 below = FALSE;
3473             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3474                 demands_attention = FALSE;
3475             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3476                 undecorated = FALSE;
3477             }
3478         }
3479     }
3480
3481     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3482         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3483             /* toggling both */
3484             if (max_horz == max_vert) { /* both going the same way */
3485                 client_maximize(self, max_horz, 0);
3486             } else {
3487                 client_maximize(self, max_horz, 1);
3488                 client_maximize(self, max_vert, 2);
3489             }
3490         } else {
3491             /* toggling one */
3492             if (max_horz != self->max_horz)
3493                 client_maximize(self, max_horz, 1);
3494             else
3495                 client_maximize(self, max_vert, 2);
3496         }
3497     }
3498     /* change fullscreen state before shading, as it will affect if the window
3499        can shade or not */
3500     if (fullscreen != self->fullscreen)
3501         client_fullscreen(self, fullscreen);
3502     if (shaded != self->shaded)
3503         client_shade(self, shaded);
3504     if (undecorated != self->undecorated)
3505         client_set_undecorated(self, undecorated);
3506     if (above != self->above || below != self->below) {
3507         self->above = above;
3508         self->below = below;
3509         client_calc_layer(self);
3510     }
3511
3512     if (modal != self->modal) {
3513         self->modal = modal;
3514         /* when a window changes modality, then its stacking order with its
3515            transients needs to change */
3516         stacking_raise(CLIENT_AS_WINDOW(self));
3517
3518         /* it also may get focused. if something is focused that shouldn't
3519            be focused anymore, then move the focus */
3520         if (focus_client && client_focus_target(focus_client) != focus_client)
3521             client_focus(focus_client);
3522     }
3523
3524     if (iconic != self->iconic)
3525         client_iconify(self, iconic, FALSE, FALSE);
3526
3527     if (demands_attention != self->demands_attention)
3528         client_hilite(self, demands_attention);
3529
3530     client_change_state(self); /* change the hint to reflect these changes */
3531 }
3532
3533 ObClient *client_focus_target(ObClient *self)
3534 {
3535     ObClient *child = NULL;
3536
3537     child = client_search_modal_child(self);
3538     if (child) return child;
3539     return self;
3540 }
3541
3542 gboolean client_can_focus(ObClient *self)
3543 {
3544     /* choose the correct target */
3545     self = client_focus_target(self);
3546
3547     if (!self->frame->visible)
3548         return FALSE;
3549
3550     if (!(self->can_focus || self->focus_notify))
3551         return FALSE;
3552
3553     return TRUE;
3554 }
3555
3556 gboolean client_focus(ObClient *self)
3557 {
3558     /* we might not focus this window, so if we have modal children which would
3559        be focused instead, bring them to this desktop */
3560     client_bring_modal_windows(self);
3561
3562     /* choose the correct target */
3563     self = client_focus_target(self);
3564
3565     if (!client_can_focus(self)) {
3566         ob_debug_type(OB_DEBUG_FOCUS,
3567                       "Client %s can't be focused\n", self->title);
3568         return FALSE;
3569     }
3570
3571     ob_debug_type(OB_DEBUG_FOCUS,
3572                   "Focusing client \"%s\" (0x%x) at time %u\n",
3573                   self->title, self->window, event_curtime);
3574
3575     /* if using focus_delay, stop the timer now so that focus doesn't
3576        go moving on us */
3577     event_halt_focus_delay();
3578
3579     /* if there is a grab going on, then we need to cancel it. if we move
3580        focus during the grab, applications will get NotifyWhileGrabbed events
3581        and ignore them !
3582
3583        actions should not rely on being able to move focus during an
3584        interactive grab.
3585     */
3586     event_cancel_all_key_grabs();
3587
3588     xerror_set_ignore(TRUE);
3589     xerror_occured = FALSE;
3590
3591     if (self->can_focus) {
3592         /* This can cause a BadMatch error with CurrentTime, or if an app
3593            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3594         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3595                        event_curtime);
3596     }
3597
3598     if (self->focus_notify) {
3599         XEvent ce;
3600         ce.xclient.type = ClientMessage;
3601         ce.xclient.message_type = prop_atoms.wm_protocols;
3602         ce.xclient.display = ob_display;
3603         ce.xclient.window = self->window;
3604         ce.xclient.format = 32;
3605         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3606         ce.xclient.data.l[1] = event_curtime;
3607         ce.xclient.data.l[2] = 0l;
3608         ce.xclient.data.l[3] = 0l;
3609         ce.xclient.data.l[4] = 0l;
3610         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3611     }
3612
3613     xerror_set_ignore(FALSE);
3614
3615     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3616     return !xerror_occured;
3617 }
3618
3619 static void client_present(ObClient *self, gboolean here, gboolean raise,
3620                            gboolean unshade)
3621 {
3622     if (client_normal(self) && screen_showing_desktop)
3623         screen_show_desktop(FALSE, self);
3624     if (self->iconic)
3625         client_iconify(self, FALSE, here, FALSE);
3626     if (self->desktop != DESKTOP_ALL &&
3627         self->desktop != screen_desktop)
3628     {
3629         if (here)
3630             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3631         else
3632             screen_set_desktop(self->desktop, FALSE);
3633     } else if (!self->frame->visible)
3634         /* if its not visible for other reasons, then don't mess
3635            with it */
3636         return;
3637     if (self->shaded && unshade)
3638         client_shade(self, FALSE);
3639     if (raise)
3640         stacking_raise(CLIENT_AS_WINDOW(self));
3641
3642     client_focus(self);
3643 }
3644
3645 void client_activate(ObClient *self, gboolean here, gboolean raise,
3646                      gboolean unshade, gboolean user)
3647 {
3648     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3649     gboolean allow = FALSE;
3650
3651     /* if the currently focused app doesn't set a user_time, then it can't
3652        benefit from any focus stealing prevention.
3653
3654        if the timestamp is missing in the request then let it go through
3655        even if it is source=app, because EVERY APPLICATION DOES THIS because
3656        GTK IS VERY BUGGY AND HARDCODES source=application... WHY!?
3657     */
3658     if (!last_time || !event_curtime)
3659         allow = TRUE;
3660     /* otherwise, if they didn't give a time stamp or if it is too old, they
3661        don't get focus */
3662     else
3663         allow = event_time_after(event_curtime, last_time);
3664
3665     ob_debug_type(OB_DEBUG_FOCUS,
3666                   "Want to activate window 0x%x with time %u (last time %u), "
3667                   "source=%s allowing? %d\n",
3668                   self->window, event_curtime, last_time,
3669                   (user ? "user" : "application"), allow);
3670
3671     if (allow)
3672         client_present(self, here, raise, unshade);
3673     else
3674         /* don't focus it but tell the user it wants attention */
3675         client_hilite(self, TRUE);
3676 }
3677
3678 static void client_bring_windows_recursive(ObClient *self,
3679                                            guint desktop,
3680                                            gboolean helpers,
3681                                            gboolean modals,
3682                                            gboolean iconic)
3683 {
3684     GSList *it;
3685
3686     for (it = self->transients; it; it = g_slist_next(it))
3687         client_bring_windows_recursive(it->data, desktop,
3688                                        helpers, modals, iconic);
3689
3690     if (((helpers && client_helper(self)) ||
3691          (modals && self->modal)) &&
3692         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3693          (iconic && self->iconic)))
3694     {
3695         if (iconic && self->iconic)
3696             client_iconify(self, FALSE, TRUE, FALSE);
3697         else
3698             client_set_desktop(self, desktop, FALSE, FALSE);
3699     }
3700 }
3701
3702 void client_bring_helper_windows(ObClient *self)
3703 {
3704     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3705 }
3706
3707 void client_bring_modal_windows(ObClient *self)
3708 {
3709     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3710 }
3711
3712 gboolean client_focused(ObClient *self)
3713 {
3714     return self == focus_client;
3715 }
3716
3717 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3718 {
3719     guint i;
3720     gulong min_diff, min_i;
3721
3722     if (!self->nicons) {
3723         ObClientIcon *parent = NULL;
3724         GSList *it;
3725
3726         for (it = self->parents; it; it = g_slist_next(it)) {
3727             ObClient *c = it->data;
3728             if ((parent = client_icon_recursive(c, w, h)))
3729                 break;
3730         }
3731
3732         return parent;
3733     }
3734
3735     /* some kind of crappy approximation to find the icon closest in size to
3736        what we requested, but icons are generally all the same ratio as
3737        eachother so it's good enough. */
3738
3739     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3740     min_i = 0;
3741
3742     for (i = 1; i < self->nicons; ++i) {
3743         gulong diff;
3744
3745         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3746         if (diff < min_diff) {
3747             min_diff = diff;
3748             min_i = i;
3749         }
3750     }
3751     return &self->icons[min_i];
3752 }
3753
3754 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3755 {
3756     ObClientIcon *ret;
3757     static ObClientIcon deficon;
3758
3759     if (!(ret = client_icon_recursive(self, w, h))) {
3760         deficon.width = deficon.height = 48;
3761         deficon.data = ob_rr_theme->def_win_icon;
3762         ret = &deficon;
3763     }
3764     return ret;
3765 }
3766
3767 void client_set_layer(ObClient *self, gint layer)
3768 {
3769     if (layer < 0) {
3770         self->below = TRUE;
3771         self->above = FALSE;
3772     } else if (layer == 0) {
3773         self->below = self->above = FALSE;
3774     } else {
3775         self->below = FALSE;
3776         self->above = TRUE;
3777     }
3778     client_calc_layer(self);
3779     client_change_state(self); /* reflect this in the state hints */
3780 }
3781
3782 void client_set_undecorated(ObClient *self, gboolean undecorated)
3783 {
3784     if (self->undecorated != undecorated &&
3785         /* don't let it undecorate if the function is missing, but let
3786            it redecorate */
3787         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3788     {
3789         self->undecorated = undecorated;
3790         client_setup_decor_and_functions(self, TRUE);
3791         client_change_state(self); /* reflect this in the state hints */
3792     }
3793 }
3794
3795 guint client_monitor(ObClient *self)
3796 {
3797     return screen_find_monitor(&self->frame->area);
3798 }
3799
3800 ObClient *client_direct_parent(ObClient *self)
3801 {
3802     if (!self->parents) return NULL;
3803     if (self->transient_for_group) return NULL;
3804     return self->parents->data;
3805 }
3806
3807 ObClient *client_search_top_direct_parent(ObClient *self)
3808 {
3809     ObClient *p;
3810     while ((p = client_direct_parent(self))) self = p;
3811     return self;
3812 }
3813
3814 static GSList *client_search_all_top_parents_internal(ObClient *self,
3815                                                       gboolean bylayer,
3816                                                       ObStackingLayer layer)
3817 {
3818     GSList *ret;
3819     ObClient *p;
3820
3821     /* move up the direct transient chain as far as possible */
3822     while ((p = client_direct_parent(self)) &&
3823            (!bylayer || p->layer == layer))
3824         self = p;
3825
3826     if (!self->parents)
3827         ret = g_slist_prepend(NULL, self);
3828     else
3829         ret = g_slist_copy(self->parents);
3830
3831     return ret;
3832 }
3833
3834 GSList *client_search_all_top_parents(ObClient *self)
3835 {
3836     return client_search_all_top_parents_internal(self, FALSE, 0);
3837 }
3838
3839 GSList *client_search_all_top_parents_layer(ObClient *self)
3840 {
3841     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3842 }
3843
3844 ObClient *client_search_focus_parent(ObClient *self)
3845 {
3846     GSList *it;
3847
3848     for (it = self->parents; it; it = g_slist_next(it))
3849         if (client_focused(it->data)) return it->data;
3850
3851     return NULL;
3852 }
3853
3854 ObClient *client_search_parent(ObClient *self, ObClient *search)
3855 {
3856     GSList *it;
3857
3858     for (it = self->parents; it; it = g_slist_next(it))
3859         if (it->data == search) return search;
3860
3861     return NULL;
3862 }
3863
3864 ObClient *client_search_transient(ObClient *self, ObClient *search)
3865 {
3866     GSList *sit;
3867
3868     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3869         if (sit->data == search)
3870             return search;
3871         if (client_search_transient(sit->data, search))
3872             return search;
3873     }
3874     return NULL;
3875 }
3876
3877 void client_find_edge_directional(ObClient *self, ObDirection dir,
3878                                   gint my_head, gint my_size,
3879                                   gint my_edge_start, gint my_edge_size,
3880                                   gint *dest, gboolean *near_edge)
3881 {
3882     GList *it;
3883     Rect *a, *mon;
3884     gint edge;
3885
3886     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
3887                     &self->frame->area);
3888     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
3889                       &self->frame->area);
3890
3891     switch(dir) {
3892     case OB_DIRECTION_NORTH:
3893         if (my_head >= RECT_TOP(*mon))
3894             edge = RECT_TOP(*mon) - 1;
3895         else
3896             edge = RECT_TOP(*a) - 1;
3897         break;
3898     case OB_DIRECTION_SOUTH:
3899         if (my_head <= RECT_BOTTOM(*mon))
3900             edge = RECT_BOTTOM(*mon) + 1;
3901         else
3902             edge = RECT_BOTTOM(*a) + 1;
3903         break;
3904     case OB_DIRECTION_EAST:
3905         if (my_head <= RECT_RIGHT(*mon))
3906             edge = RECT_RIGHT(*mon) + 1;
3907         else
3908             edge = RECT_RIGHT(*a) + 1;
3909         break;
3910     case OB_DIRECTION_WEST:
3911         if (my_head >= RECT_LEFT(*mon))
3912             edge = RECT_LEFT(*mon) - 1;
3913         else
3914             edge = RECT_LEFT(*a) - 1;
3915         break;
3916     default:
3917         g_assert_not_reached();
3918     }
3919     /* default to the far edge, then narrow it down */
3920     *dest = edge;
3921     *near_edge = TRUE;
3922
3923     for(it = client_list; it; it = g_list_next(it)) {
3924         ObClient *cur = it->data;
3925         gint edge_start, edge_size, head, tail;
3926         gboolean skip_head = FALSE, skip_tail = FALSE;
3927
3928         /* skip windows to not bump into */
3929         if (cur == self)
3930             continue;
3931         if (cur->iconic)
3932             continue;
3933         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
3934             cur->desktop != screen_desktop)
3935             continue;
3936
3937         ob_debug("trying window %s\n", cur->title);
3938
3939         switch(dir) {
3940         case OB_DIRECTION_NORTH:
3941         case OB_DIRECTION_SOUTH:
3942             edge_start = cur->frame->area.x;
3943             edge_size = cur->frame->area.width;
3944             break;
3945         case OB_DIRECTION_EAST:
3946         case OB_DIRECTION_WEST:
3947             edge_start = cur->frame->area.y;
3948             edge_size = cur->frame->area.height;
3949             break;
3950         default:
3951             g_assert_not_reached();
3952         }
3953
3954         /* do we collide with this window? */
3955         if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
3956                               edge_start, edge_size))
3957             continue;
3958
3959         switch(dir) {
3960         case OB_DIRECTION_NORTH:
3961             head = RECT_BOTTOM(cur->frame->area);
3962             tail = RECT_TOP(cur->frame->area);
3963             break;
3964         case OB_DIRECTION_SOUTH:
3965             head = RECT_TOP(cur->frame->area);
3966             tail = RECT_BOTTOM(cur->frame->area);
3967             break;
3968         case OB_DIRECTION_EAST:
3969             head = RECT_LEFT(cur->frame->area);
3970             tail = RECT_RIGHT(cur->frame->area);
3971             break;
3972         case OB_DIRECTION_WEST:
3973             head = RECT_RIGHT(cur->frame->area);
3974             tail = RECT_LEFT(cur->frame->area);
3975             break;
3976         default:
3977             g_assert_not_reached();
3978         }
3979
3980         switch(dir) {
3981         case OB_DIRECTION_NORTH:
3982         case OB_DIRECTION_WEST:
3983             if (my_head <= head + 1)
3984                 skip_head = TRUE;
3985             if (my_head + my_size - 1 <= tail + 1)
3986                 skip_tail = TRUE;
3987             if (head < *dest)
3988                 skip_head = TRUE;
3989             if (tail - my_size < *dest)
3990                 skip_tail = TRUE;
3991             break;
3992         case OB_DIRECTION_SOUTH:
3993         case OB_DIRECTION_EAST:
3994             if (my_head >= head - 1)
3995                 skip_head = TRUE;
3996             if (my_head - my_size + 1 >= tail - 1)
3997                 skip_tail = TRUE;
3998             if (head > *dest)
3999                 skip_head = TRUE;
4000             if (tail + my_size > *dest)
4001                 skip_tail = TRUE;
4002             break;
4003         default:
4004             g_assert_not_reached();
4005         }
4006
4007         ob_debug("my head %d size %d\n", my_head, my_size);
4008         ob_debug("head %d tail %d deest %d\n", head, tail, *dest);
4009         if (!skip_head) {
4010             ob_debug("using near edge %d\n", head);
4011             *dest = head;
4012             *near_edge = TRUE;
4013         }
4014         else if (!skip_tail) {
4015             ob_debug("using far edge %d\n", tail);
4016             *dest = tail;
4017             *near_edge = FALSE;
4018         }
4019     }
4020 }
4021
4022 void client_find_move_directional(ObClient *self, ObDirection dir,
4023                                   gint *x, gint *y)
4024 {
4025     gint head, size;
4026     gint e, e_start, e_size;
4027     gboolean near;
4028
4029     switch (dir) {
4030     case OB_DIRECTION_EAST:
4031         head = RECT_RIGHT(self->frame->area);
4032         size = self->frame->area.width;
4033         e_start = RECT_TOP(self->frame->area);
4034         e_size = self->frame->area.height;
4035         break;
4036     case OB_DIRECTION_WEST:
4037         head = RECT_LEFT(self->frame->area);
4038         size = self->frame->area.width;
4039         e_start = RECT_TOP(self->frame->area);
4040         e_size = self->frame->area.height;
4041         break;
4042     case OB_DIRECTION_NORTH:
4043         head = RECT_TOP(self->frame->area);
4044         size = self->frame->area.height;
4045         e_start = RECT_LEFT(self->frame->area);
4046         e_size = self->frame->area.width;
4047         break;
4048     case OB_DIRECTION_SOUTH:
4049         head = RECT_BOTTOM(self->frame->area);
4050         size = self->frame->area.height;
4051         e_start = RECT_LEFT(self->frame->area);
4052         e_size = self->frame->area.width;
4053         break;
4054     default:
4055         g_assert_not_reached();
4056     }
4057
4058     client_find_edge_directional(self, dir, head, size,
4059                                  e_start, e_size, &e, &near);
4060     *x = self->frame->area.x;
4061     *y = self->frame->area.y;
4062     switch (dir) {
4063     case OB_DIRECTION_EAST:
4064         if (near) e -= self->frame->area.width;
4065         else      e++;
4066         *x = e;
4067         break;
4068     case OB_DIRECTION_WEST:
4069         if (near) e++;
4070         else      e -= self->frame->area.width;
4071         *x = e;
4072         break;
4073     case OB_DIRECTION_NORTH:
4074         if (near) e++;
4075         else      e -= self->frame->area.height;
4076         *y = e;
4077         break;
4078     case OB_DIRECTION_SOUTH:
4079         if (near) e -= self->frame->area.height;
4080         else      e++;
4081         *y = e;
4082         break;
4083     default:
4084         g_assert_not_reached();
4085     }
4086     frame_frame_gravity(self->frame, x, y);
4087 }
4088
4089 ObClient* client_under_pointer()
4090 {
4091     gint x, y;
4092     GList *it;
4093     ObClient *ret = NULL;
4094
4095     if (screen_pointer_pos(&x, &y)) {
4096         for (it = stacking_list; it; it = g_list_next(it)) {
4097             if (WINDOW_IS_CLIENT(it->data)) {
4098                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4099                 if (c->frame->visible &&
4100                     /* check the desktop, this is done during desktop
4101                        switching and windows are shown/hidden status is not
4102                        reliable */
4103                     (c->desktop == screen_desktop ||
4104                      c->desktop == DESKTOP_ALL) &&
4105                     /* ignore all animating windows */
4106                     !frame_iconify_animating(c->frame) &&
4107                     RECT_CONTAINS(c->frame->area, x, y))
4108                 {
4109                     ret = c;
4110                     break;
4111                 }
4112             }
4113         }
4114     }
4115     return ret;
4116 }
4117
4118 gboolean client_has_group_siblings(ObClient *self)
4119 {
4120     return self->group && self->group->members->next;
4121 }
4122
4123 ObClientIcon *client_thumbnail(ObClient *self, gint wantw, gint wanth)
4124 {
4125     ObClientIcon *ret;
4126     RrPixel32 *data;
4127     gint w, h;
4128
4129     if (!self->frame->pixmap) return NULL;
4130     if (!RrPixmapToRGBA(ob_rr_inst, self->frame->pixmap, None, &w, &h, &data))
4131         return NULL;
4132
4133     /* resize the thumbnail (within aspect ratio) to the given sizes */
4134
4135     ret = g_new(ObClientIcon, 1);
4136     ret->data = data;
4137     ret->width = w;
4138     ret->height = h;
4139     return ret;
4140 }
4141
4142 void clienticon_free(ObClientIcon *ci)
4143 {
4144     if (ci) {
4145         g_free(ci->data);
4146         g_free(ci);
4147     }
4148 }