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