openbox/client.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "client.h"
  21 #include "debug.h"
  22 #include "startupnotify.h"
  23 #include "dock.h"
  24 #include "xerror.h"
  25 #include "screen.h"
  26 #include "moveresize.h"
  27 #include "place.h"
  28 #include "prop.h"
  29 #include "extensions.h"
  30 #include "frame.h"
  31 #include "session.h"
  32 #include "event.h"
  33 #include "grab.h"
  34 #include "focus.h"
  35 #include "propwin.h"
  36 #include "stacking.h"
  37 #include "openbox.h"
  38 #include "group.h"
  39 #include "config.h"
  40 #include "menuframe.h"
  41 #include "keyboard.h"
  42 #include "mouse.h"
  43 #include "render/render.h"
  44
  45 #ifdef HAVE_UNISTD_H
  46 #  include <unistd.h>
  47 #endif
  48
  49 #include <glib.h>
  50 #include <X11/Xutil.h>
  51
  52 /*! The event mask to grab on client windows */
  53 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  54                           ColormapChangeMask)
  55
  56 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  57                                 ButtonMotionMask)
  58
  59 typedef struct
  60 {
  61     ObClientCallback func;
  62     gpointer data;
  63 } ClientCallback;
  64
  65 GList            *client_list          = NULL;
  66
  67 static GSList *client_destroy_notifies = NULL;
  68
  69 static void client_get_all(ObClient *self, gboolean real);
  70 static void client_get_startup_id(ObClient *self);
  71 static void client_get_session_ids(ObClient *self);
  72 static void client_get_area(ObClient *self);
  73 static void client_get_desktop(ObClient *self);
  74 static void client_get_state(ObClient *self);
  75 static void client_get_shaped(ObClient *self);
  76 static void client_get_mwm_hints(ObClient *self);
  77 static void client_get_colormap(ObClient *self);
  78 static void client_change_allowed_actions(ObClient *self);
  79 static void client_change_state(ObClient *self);
  80 static void client_change_wm_state(ObClient *self);
  81 static void client_apply_startup_state(ObClient *self,
  82                                        gint x, gint y, gint w, gint h);
  83 static void client_restore_session_state(ObClient *self);
  84 static gboolean client_restore_session_stacking(ObClient *self);
  85 static ObAppSettings *client_get_settings_state(ObClient *self);
  86 static void client_update_transient_tree(ObClient *self,
  87                                          ObGroup *oldgroup, ObGroup *newgroup,
  88                                          gboolean oldgtran, gboolean newgtran,
  89                                          ObClient* oldparent,
  90                                          ObClient *newparent);
  91 static void client_present(ObClient *self, gboolean here, gboolean raise);
  92 static GSList *client_search_all_top_parents_internal(ObClient *self,
  93                                                       gboolean bylayer,
  94                                                       ObStackingLayer layer);
  95 static void client_call_notifies(ObClient *self, GSList *list);
  96
  97
  98 void client_startup(gboolean reconfig)
  99 {
 100     if (reconfig) return;
 101
 102     client_set_list();
 103 }
 104
 105 void client_shutdown(gboolean reconfig)
 106 {
 107     if (reconfig) return;
 108 }
 109
 110 static void client_call_notifies(ObClient *self, GSList *list)
 111 {
 112     GSList *it;
 113
 114     for (it = list; it; it = g_slist_next(it)) {
 115         ClientCallback *d = it->data;
 116         d->func(self, d->data);
 117     }
 118 }
 119
 120 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 121 {
 122     ClientCallback *d = g_new(ClientCallback, 1);
 123     d->func = func;
 124     d->data = data;
 125     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 126 }
 127
 128 void client_remove_destroy_notify(ObClientCallback func)
 129 {
 130     GSList *it;
 131
 132     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 133         ClientCallback *d = it->data;
 134         if (d->func == func) {
 135             g_free(d);
 136             client_destroy_notifies =
 137                 g_slist_delete_link(client_destroy_notifies, it);
 138             break;
 139         }
 140     }
 141 }
 142
 143 void client_set_list()
 144 {
 145     Window *windows, *win_it;
 146     GList *it;
 147     guint size = g_list_length(client_list);
 148
 149     /* create an array of the window ids */
 150     if (size > 0) {
 151         windows = g_new(Window, size);
 152         win_it = windows;
 153         for (it = client_list; it; it = g_list_next(it), ++win_it)
 154             *win_it = ((ObClient*)it->data)->window;
 155     } else
 156         windows = NULL;
 157
 158     PROP_SETA32(RootWindow(ob_display, ob_screen),
 159                 net_client_list, window, (gulong*)windows, size);
 160
 161     if (windows)
 162         g_free(windows);
 163
 164     stacking_set_list();
 165 }
 166
 167 void client_manage_all()
 168 {
 169     guint i, j, nchild;
 170     Window w, *children;
 171     XWMHints *wmhints;
 172     XWindowAttributes attrib;
 173
 174     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 175                &w, &w, &children, &nchild);
 176
 177     /* remove all icon windows from the list */
 178     for (i = 0; i < nchild; i++) {
 179         if (children[i] == None) continue;
 180         wmhints = XGetWMHints(ob_display, children[i]);
 181         if (wmhints) {
 182             if ((wmhints->flags & IconWindowHint) &&
 183                 (wmhints->icon_window != children[i]))
 184                 for (j = 0; j < nchild; j++)
 185                     if (children[j] == wmhints->icon_window) {
 186                         children[j] = None;
 187                         break;
 188                     }
 189             XFree(wmhints);
 190         }
 191     }
 192
 193     for (i = 0; i < nchild; ++i) {
 194         if (children[i] == None)
 195             continue;
 196         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 197             if (attrib.override_redirect) continue;
 198
 199             if (attrib.map_state != IsUnmapped)
 200                 client_manage(children[i]);
 201         }
 202     }
 203     XFree(children);
 204 }
 205
 206 void client_manage(Window window)
 207 {
 208     ObClient *self;
 209     XEvent e;
 210     XWindowAttributes attrib;
 211     XSetWindowAttributes attrib_set;
 212     XWMHints *wmhint;
 213     gboolean activate = FALSE;
 214     ObAppSettings *settings;
 215     gint placex, placey, placew, placeh;
 216     gboolean transient = FALSE;
 217
 218     grab_server(TRUE);
 219
 220     /* check if it has already been unmapped by the time we started
 221        mapping. the grab does a sync so we don't have to here */
 222     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 223         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 224     {
 225         XPutBackEvent(ob_display, &e);
 226
 227         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 228         grab_server(FALSE);
 229         return; /* don't manage it */
 230     }
 231
 232     /* make sure it isn't an override-redirect window */
 233     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 234         attrib.override_redirect)
 235     {
 236         grab_server(FALSE);
 237         return; /* don't manage it */
 238     }
 239
 240     /* is the window a docking app */
 241     if ((wmhint = XGetWMHints(ob_display, window))) {
 242         if ((wmhint->flags & StateHint) &&
 243             wmhint->initial_state == WithdrawnState)
 244         {
 245             dock_add(window, wmhint);
 246             grab_server(FALSE);
 247             XFree(wmhint);
 248             return;
 249         }
 250         XFree(wmhint);
 251     }
 252
 253     ob_debug("Managing window: 0x%lx\n", window);
 254
 255     /* choose the events we want to receive on the CLIENT window */
 256     attrib_set.event_mask = CLIENT_EVENTMASK;
 257     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 258     XChangeWindowAttributes(ob_display, window,
 259                             CWEventMask|CWDontPropagate, &attrib_set);
 260
 261     /* create the ObClient struct, and populate it from the hints on the
 262        window */
 263     self = g_new0(ObClient, 1);
 264     self->obwin.type = Window_Client;
 265     self->window = window;
 266
 267     /* non-zero defaults */
 268     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 269     self->gravity = NorthWestGravity;
 270     self->desktop = screen_num_desktops; /* always an invalid value */
 271     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 272
 273     /* get all the stuff off the window */
 274     client_get_all(self, TRUE);
 275
 276     /* specify that if we exit, the window should not be destroyed and
 277        should be reparented back to root automatically */
 278     XChangeSaveSet(ob_display, window, SetModeInsert);
 279
 280     /* create the decoration frame for the client window */
 281     self->frame = frame_new(self);
 282
 283     frame_grab_client(self->frame);
 284
 285     /* we've grabbed everything and set everything that we need to at mapping
 286        time now */
 287     grab_server(FALSE);
 288
 289     /* per-app settings override stuff from client_get_all, and return the
 290        settings for other uses too. the returned settings is a shallow copy,
 291        that needs to be freed with g_free(). */
 292     settings = client_get_settings_state(self);
 293     /* the session should get the last say though */
 294     client_restore_session_state(self);
 295
 296     /* now we have all of the window's information so we can set this up */
 297     client_setup_decor_and_functions(self, FALSE);
 298
 299     {
 300         Time t = sn_app_started(self->startup_id, self->class);
 301         if (t) self->user_time = t;
 302     }
 303
 304     /* do this after we have a frame.. it uses the frame to help determine the
 305        WM_STATE to apply. */
 306     client_change_state(self);
 307
 308     /* add ourselves to the focus order */
 309     focus_order_add_new(self);
 310
 311     /* do this to add ourselves to the stacking list in a non-intrusive way */
 312     client_calc_layer(self);
 313
 314     /* focus the new window? */
 315     if (ob_state() != OB_STATE_STARTING &&
 316         (!self->session || self->session->focused) &&
 317         !self->iconic &&
 318         /* this means focus=true for window is same as config_focus_new=true */
 319         ((config_focus_new || (settings && settings->focus == 1)) ||
 320          client_search_focus_tree_full(self)) &&
 321         /* this checks for focus=false for the window */
 322         (!settings || settings->focus != 0) &&
 323         /* note the check against type Normal/Dialog/Utility,
 324            not client_normal(self), which would also include other types.
 325            in this case we want more strict rules for focus */
 326         (self->type == OB_CLIENT_TYPE_NORMAL ||
 327          self->type == OB_CLIENT_TYPE_UTILITY ||
 328          self->type == OB_CLIENT_TYPE_DIALOG))
 329     {
 330         activate = TRUE;
 331     }
 332
 333     /* remove the client's border */
 334     XSetWindowBorderWidth(ob_display, self->window, 0);
 335
 336     /* adjust the frame to the client's size before showing or placing
 337        the window */
 338     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 339     frame_adjust_client_area(self->frame);
 340
 341     /* where the frame was placed is where the window was originally */
 342     placex = self->area.x;
 343     placey = self->area.y;
 344     placew = self->area.width;
 345     placeh = self->area.height;
 346
 347     /* figure out placement for the window if the window is new */
 348     if (ob_state() == OB_STATE_RUNNING) {
 349         ob_debug("Positioned: %s @ %d %d\n",
 350                  (!self->positioned ? "no" :
 351                   (self->positioned == PPosition ? "program specified" :
 352                    (self->positioned == USPosition ? "user specified" :
 353                     (self->positioned == (PPosition | USPosition) ?
 354                      "program + user specified" :
 355                      "BADNESS !?")))), placex, placey);
 356
 357         ob_debug("Sized: %s @ %d %d\n",
 358                  (!self->sized ? "no" :
 359                   (self->sized == PSize ? "program specified" :
 360                    (self->sized == USSize ? "user specified" :
 361                     (self->sized == (PSize | USSize) ?
 362                      "program + user specified" :
 363                      "BADNESS !?")))), placew, placeh);
 364
 365         /* splash screens are also returned as TRUE for transient,
 366            and so will be forced on screen below */
 367         transient = place_client(self, &placex, &placey, settings);
 368
 369         /* make sure the window is visible. */
 370         client_find_onscreen(self, &placex, &placey, placew, placeh,
 371                              /* non-normal clients has less rules, and
 372                                 windows that are being restored from a
 373                                 session do also. we can assume you want
 374                                 it back where you saved it. Clients saying
 375                                 they placed themselves are subjected to
 376                                 harder rules, ones that are placed by
 377                                 place.c or by the user are allowed partially
 378                                 off-screen and on xinerama divides (ie,
 379                                 it is up to the placement routines to avoid
 380                                 the xinerama divides)
 381
 382                                 splash screens get "transient" set to TRUE by
 383                                 the place_client call
 384                              */
 385                              ob_state() == OB_STATE_RUNNING &&
 386                              (transient ||
 387                               (!(self->positioned & USPosition) &&
 388                                client_normal(self) &&
 389                                !self->session)));
 390     }
 391
 392     /* if the window isn't user-sized, then make it fit inside
 393        the visible screen area on its monitor. Use basically the same rules
 394        for forcing the window on screen in the client_find_onscreen call.
 395
 396        do this after place_client, it chooses the monitor!
 397
 398        splash screens get "transient" set to TRUE by
 399        the place_client call
 400     */
 401     if (ob_state() == OB_STATE_RUNNING &&
 402         (transient ||
 403          (!(self->sized & USSize) &&
 404           client_normal(self) &&
 405           !self->session)))
 406     {
 407         /* make a copy to modify */
 408         Rect a = *screen_area_monitor(self->desktop, client_monitor(self));
 409
 410         /* shrink by the frame's area */
 411         a.width -= self->frame->size.left + self->frame->size.right;
 412         a.height -= self->frame->size.top + self->frame->size.bottom;
 413
 414         /* fit the window inside the area */
 415         if (placew > a.width || self->area.height > a.height) {
 416             placew = MIN(self->area.width, a.width);
 417             placeh = MIN(self->area.height, a.height);
 418
 419             ob_debug("setting window size to %dx%d\n",
 420                      self->area.width, self->area.height);
 421         }
 422     }
 423
 424
 425     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 426              "some restrictions may apply\n",
 427              self->window, placex, placey, placew, placeh);
 428     if (self->session)
 429         ob_debug("  but session requested %d, %d  %d x %d instead, "
 430                  "overriding\n",
 431                  self->session->x, self->session->y,
 432                  self->session->w, self->session->h);
 433
 434     /* do this after the window is placed, so the premax/prefullscreen numbers
 435        won't be all wacko!!
 436
 437        this also places the window
 438     */
 439     client_apply_startup_state(self, placex, placey, placew, placeh);
 440
 441     if (activate) {
 442         guint32 last_time = focus_client ?
 443             focus_client->user_time : CurrentTime;
 444
 445         /* This is focus stealing prevention */
 446         ob_debug_type(OB_DEBUG_FOCUS,
 447                       "Want to focus new window 0x%x with time %u "
 448                       "(last time %u)\n",
 449                       self->window, self->user_time, last_time);
 450
 451         /* if it's on another desktop */
 452         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 453             && /* the timestamp is from before you changed desktops */
 454             self->user_time && screen_desktop_user_time &&
 455             !event_time_after(self->user_time, screen_desktop_user_time))
 456         {
 457             activate = FALSE;
 458             ob_debug_type(OB_DEBUG_FOCUS,
 459                           "Not focusing the window because its on another "
 460                           "desktop\n");
 461         }
 462         /* If something is focused, and it's not our relative... */
 463         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
 464                  client_search_focus_group_full(self) == NULL)
 465         {
 466             /* If time stamp is old, don't steal focus */
 467             if (self->user_time && last_time &&
 468                 !event_time_after(self->user_time, last_time))
 469             {
 470                 activate = FALSE;
 471                 ob_debug_type(OB_DEBUG_FOCUS,
 472                               "Not focusing the window because the time is "
 473                               "too old\n");
 474             }
 475             /* If its a transient (and parents aren't focused) and the time
 476                is ambiguous (either the current focus target doesn't have
 477                a timestamp, or they are the same (we probably inherited it
 478                from them) */
 479             else if (client_has_parent(self) &&
 480                      (!last_time || self->user_time == last_time))
 481             {
 482                 activate = FALSE;
 483                 ob_debug_type(OB_DEBUG_FOCUS,
 484                               "Not focusing the window because it is a "
 485                               "transient, and the time is very ambiguous\n");
 486             }
 487             /* Don't steal focus from globally active clients.
 488                I stole this idea from KWin. It seems nice.
 489              */
 490             else if (!(focus_client->can_focus ||
 491                        focus_client->focus_notify))
 492             {
 493                 activate = FALSE;
 494                 ob_debug_type(OB_DEBUG_FOCUS,
 495                               "Not focusing the window because a globally "
 496                               "active client has focus\n");
 497             }
 498             /* Don't move focus if it's not going to go to this window
 499                anyway */
 500             else if (client_focus_target(self) != self) {
 501                 activate = FALSE;
 502                 ob_debug_type(OB_DEBUG_FOCUS,
 503                               "Not focusing the window because another window "
 504                               "would get the focus anyway\n");
 505             }
 506         }
 507
 508         if (!activate) {
 509             ob_debug_type(OB_DEBUG_FOCUS,
 510                           "Focus stealing prevention activated for %s with "
 511                           "time %u (last time %u)\n",
 512                           self->title, self->user_time, last_time);
 513             /* if the client isn't focused, then hilite it so the user
 514                knows it is there */
 515             client_hilite(self, TRUE);
 516         }
 517     }
 518     else {
 519         /* This may look rather odd. Well it's because new windows are added
 520            to the stacking order non-intrusively. If we're not going to focus
 521            the new window or hilite it, then we raise it to the top. This will
 522            take affect for things that don't get focused like splash screens.
 523            Also if you don't have focus_new enabled, then it's going to get
 524            raised to the top. Legacy begets legacy I guess?
 525         */
 526         if (!client_restore_session_stacking(self))
 527             stacking_raise(CLIENT_AS_WINDOW(self));
 528     }
 529
 530     mouse_grab_for_client(self, TRUE);
 531
 532     /* this has to happen before we try focus the window, but we want it to
 533        happen after the client's stacking has been determined or it looks bad
 534     */
 535     client_show(self);
 536
 537     if (activate) {
 538         gboolean stacked = client_restore_session_stacking(self);
 539         client_present(self, FALSE, !stacked);
 540     }
 541
 542     /* add to client list/map */
 543     client_list = g_list_append(client_list, self);
 544     g_hash_table_insert(window_map, &self->window, self);
 545
 546     /* this has to happen after we're in the client_list */
 547     if (STRUT_EXISTS(self->strut))
 548         screen_update_areas();
 549
 550     /* update the list hints */
 551     client_set_list();
 552
 553     /* free the ObAppSettings shallow copy */
 554     g_free(settings);
 555
 556     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 557              window, self->frame->window, self->class);
 558
 559     return;
 560 }
 561
 562
 563 ObClient *client_fake_manage(Window window)
 564 {
 565     ObClient *self;
 566     ObAppSettings *settings;
 567
 568     ob_debug("Pretend-managing window: %lx\n", window);
 569
 570     /* do this minimal stuff to figure out the client's decorations */
 571
 572     self = g_new0(ObClient, 1);
 573     self->window = window;
 574
 575     client_get_all(self, FALSE);
 576     /* per-app settings override stuff, and return the settings for other
 577        uses too. this returns a shallow copy that needs to be freed */
 578     settings = client_get_settings_state(self);
 579
 580     client_setup_decor_and_functions(self, FALSE);
 581
 582     /* create the decoration frame for the client window and adjust its size */
 583     self->frame = frame_new(self);
 584     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 585
 586     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 587              self->frame->size.left, self->frame->size.right,
 588              self->frame->size.top, self->frame->size.bottom);
 589
 590     /* free the ObAppSettings shallow copy */
 591     g_free(settings);
 592
 593     return self;
 594 }
 595
 596 void client_unmanage_all()
 597 {
 598     while (client_list != NULL)
 599         client_unmanage(client_list->data);
 600 }
 601
 602 void client_unmanage(ObClient *self)
 603 {
 604     guint j;
 605     GSList *it;
 606     gulong ignore_start;
 607
 608     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 609              self->window, self->frame->window,
 610              self->class, self->title ? self->title : "");
 611
 612     g_assert(self != NULL);
 613
 614     /* we dont want events no more. do this before hiding the frame so we
 615        don't generate more events */
 616     XSelectInput(ob_display, self->window, NoEventMask);
 617
 618     /* ignore enter events from the unmap so it doesnt mess with the focus */
 619     if (!client_focused(self) || !config_focus_under_mouse)
 620         ignore_start = event_start_ignore_all_enters();
 621
 622     frame_hide(self->frame);
 623     /* flush to send the hide to the server quickly */
 624     XFlush(ob_display);
 625
 626     if (!client_focused(self) || !config_focus_under_mouse)
 627         event_end_ignore_all_enters(ignore_start);
 628
 629     mouse_grab_for_client(self, FALSE);
 630
 631     /* remove the window from our save set */
 632     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 633
 634     /* kill the property windows */
 635     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 636
 637     /* update the focus lists */
 638     focus_order_remove(self);
 639     if (client_focused(self)) {
 640         /* don't leave an invalid focus_client */
 641         focus_client = NULL;
 642     }
 643
 644     client_list = g_list_remove(client_list, self);
 645     stacking_remove(self);
 646     g_hash_table_remove(window_map, &self->window);
 647
 648     /* once the client is out of the list, update the struts to remove its
 649        influence */
 650     if (STRUT_EXISTS(self->strut))
 651         screen_update_areas();
 652
 653     client_call_notifies(self, client_destroy_notifies);
 654
 655     /* tell our parent(s) that we're gone */
 656     for (it = self->parents; it; it = g_slist_next(it))
 657         ((ObClient*)it->data)->transients =
 658             g_slist_remove(((ObClient*)it->data)->transients,self);
 659
 660     /* tell our transients that we're gone */
 661     for (it = self->transients; it; it = g_slist_next(it)) {
 662         ((ObClient*)it->data)->parents =
 663             g_slist_remove(((ObClient*)it->data)->parents, self);
 664         /* we could be keeping our children in a higher layer */
 665         client_calc_layer(it->data);
 666     }
 667
 668     /* remove from its group */
 669     if (self->group) {
 670         group_remove(self->group, self);
 671         self->group = NULL;
 672     }
 673
 674     /* restore the window's original geometry so it is not lost */
 675     {
 676         Rect a;
 677
 678         a = self->area;
 679
 680         if (self->fullscreen)
 681             a = self->pre_fullscreen_area;
 682         else if (self->max_horz || self->max_vert) {
 683             if (self->max_horz) {
 684                 a.x = self->pre_max_area.x;
 685                 a.width = self->pre_max_area.width;
 686             }
 687             if (self->max_vert) {
 688                 a.y = self->pre_max_area.y;
 689                 a.height = self->pre_max_area.height;
 690             }
 691         }
 692
 693         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 694         /* let it be moved and resized no matter what */
 695         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 696         self->decorations = 0; /* unmanaged windows have no decor */
 697
 698         /* give the client its border back */
 699         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 700
 701         client_move_resize(self, a.x, a.y, a.width, a.height);
 702     }
 703
 704     /* reparent the window out of the frame, and free the frame */
 705     frame_release_client(self->frame);
 706     frame_free(self->frame);
 707     self->frame = NULL;
 708
 709     if (ob_state() != OB_STATE_EXITING) {
 710         /* these values should not be persisted across a window
 711            unmapping/mapping */
 712         PROP_ERASE(self->window, net_wm_desktop);
 713         PROP_ERASE(self->window, net_wm_state);
 714         PROP_ERASE(self->window, wm_state);
 715     } else {
 716         /* if we're left in an unmapped state, the client wont be mapped.
 717            this is bad, since we will no longer be managing the window on
 718            restart */
 719         XMapWindow(ob_display, self->window);
 720     }
 721
 722     /* update the list hints */
 723     client_set_list();
 724
 725     ob_debug("Unmanaged window 0x%lx\n", self->window);
 726
 727     /* free all data allocated in the client struct */
 728     g_slist_free(self->transients);
 729     for (j = 0; j < self->nicons; ++j)
 730         g_free(self->icons[j].data);
 731     if (self->nicons > 0)
 732         g_free(self->icons);
 733     g_free(self->wm_command);
 734     g_free(self->title);
 735     g_free(self->icon_title);
 736     g_free(self->name);
 737     g_free(self->class);
 738     g_free(self->role);
 739     g_free(self->client_machine);
 740     g_free(self->sm_client_id);
 741     g_free(self);
 742 }
 743
 744 void client_fake_unmanage(ObClient *self)
 745 {
 746     /* this is all that got allocated to get the decorations */
 747
 748     frame_free(self->frame);
 749     g_free(self);
 750 }
 751
 752 /*! Returns a new structure containing the per-app settings for this client.
 753   The returned structure needs to be freed with g_free. */
 754 static ObAppSettings *client_get_settings_state(ObClient *self)
 755 {
 756     ObAppSettings *settings;
 757     GSList *it;
 758
 759     settings = config_create_app_settings();
 760
 761     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 762         ObAppSettings *app = it->data;
 763         gboolean match = TRUE;
 764
 765         g_assert(app->name != NULL || app->class != NULL);
 766
 767         /* we know that either name or class is not NULL so it will have to
 768            match to use the rule */
 769         if (app->name &&
 770             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 771             match = FALSE;
 772         else if (app->class &&
 773                 !g_pattern_match(app->class,
 774                                  strlen(self->class), self->class, NULL))
 775             match = FALSE;
 776         else if (app->role &&
 777                  !g_pattern_match(app->role,
 778                                   strlen(self->role), self->role, NULL))
 779             match = FALSE;
 780
 781         if (match) {
 782             ob_debug("Window matching: %s\n", app->name);
 783
 784             /* copy the settings to our struct, overriding the existing
 785                settings if they are not defaults */
 786             config_app_settings_copy_non_defaults(app, settings);
 787         }
 788     }
 789
 790     if (settings->shade != -1)
 791         self->shaded = !!settings->shade;
 792     if (settings->decor != -1)
 793         self->undecorated = !settings->decor;
 794     if (settings->iconic != -1)
 795         self->iconic = !!settings->iconic;
 796     if (settings->skip_pager != -1)
 797         self->skip_pager = !!settings->skip_pager;
 798     if (settings->skip_taskbar != -1)
 799         self->skip_taskbar = !!settings->skip_taskbar;
 800
 801     if (settings->max_vert != -1)
 802         self->max_vert = !!settings->max_vert;
 803     if (settings->max_horz != -1)
 804         self->max_horz = !!settings->max_horz;
 805
 806     if (settings->fullscreen != -1)
 807         self->fullscreen = !!settings->fullscreen;
 808
 809     if (settings->desktop) {
 810         if (settings->desktop == DESKTOP_ALL)
 811             self->desktop = settings->desktop;
 812         else if (settings->desktop > 0 &&
 813                  settings->desktop <= screen_num_desktops)
 814             self->desktop = settings->desktop - 1;
 815     }
 816
 817     if (settings->layer == -1) {
 818         self->below = TRUE;
 819         self->above = FALSE;
 820     }
 821     else if (settings->layer == 0) {
 822         self->below = FALSE;
 823         self->above = FALSE;
 824     }
 825     else if (settings->layer == 1) {
 826         self->below = FALSE;
 827         self->above = TRUE;
 828     }
 829     return settings;
 830 }
 831
 832 static void client_restore_session_state(ObClient *self)
 833 {
 834     GList *it;
 835
 836     ob_debug_type(OB_DEBUG_SM,
 837                   "Restore session for client %s\n", self->title);
 838
 839     if (!(it = session_state_find(self))) {
 840         ob_debug_type(OB_DEBUG_SM,
 841                       "Session data not found for client %s\n", self->title);
 842         return;
 843     }
 844
 845     self->session = it->data;
 846
 847     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 848                   self->title);
 849
 850     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 851     self->positioned = USPosition;
 852     self->sized = USSize;
 853     if (self->session->w > 0)
 854         self->area.width = self->session->w;
 855     if (self->session->h > 0)
 856         self->area.height = self->session->h;
 857     XResizeWindow(ob_display, self->window,
 858                   self->area.width, self->area.height);
 859
 860     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 861                      self->session->desktop :
 862                      MIN(screen_num_desktops - 1, self->session->desktop));
 863     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 864
 865     self->shaded = self->session->shaded;
 866     self->iconic = self->session->iconic;
 867     self->skip_pager = self->session->skip_pager;
 868     self->skip_taskbar = self->session->skip_taskbar;
 869     self->fullscreen = self->session->fullscreen;
 870     self->above = self->session->above;
 871     self->below = self->session->below;
 872     self->max_horz = self->session->max_horz;
 873     self->max_vert = self->session->max_vert;
 874     self->undecorated = self->session->undecorated;
 875 }
 876
 877 static gboolean client_restore_session_stacking(ObClient *self)
 878 {
 879     GList *it, *mypos;
 880
 881     if (!self->session) return FALSE;
 882
 883     mypos = g_list_find(session_saved_state, self->session);
 884     if (!mypos) return FALSE;
 885
 886     /* start above me and look for the first client */
 887     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 888         GList *cit;
 889
 890         for (cit = client_list; cit; cit = g_list_next(cit)) {
 891             ObClient *c = cit->data;
 892             /* found a client that was in the session, so go below it */
 893             if (c->session == it->data) {
 894                 stacking_below(CLIENT_AS_WINDOW(self),
 895                                CLIENT_AS_WINDOW(cit->data));
 896                 return TRUE;
 897             }
 898         }
 899     }
 900     return FALSE;
 901 }
 902
 903 void client_move_onscreen(ObClient *self, gboolean rude)
 904 {
 905     gint x = self->area.x;
 906     gint y = self->area.y;
 907     if (client_find_onscreen(self, &x, &y,
 908                              self->area.width,
 909                              self->area.height, rude)) {
 910         client_move(self, x, y);
 911     }
 912 }
 913
 914 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 915                               gboolean rude)
 916 {
 917     Rect *mon_a, *all_a;
 918     gint ox = *x, oy = *y;
 919     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 920     gint fw, fh;
 921     Rect desired;
 922
 923     RECT_SET(desired, *x, *y, w, h);
 924     all_a = screen_area(self->desktop);
 925     mon_a = screen_area_monitor(self->desktop, screen_find_monitor(&desired));
 926
 927     /* get where the frame would be */
 928     frame_client_gravity(self->frame, x, y, w, h);
 929
 930     /* get the requested size of the window with decorations */
 931     fw = self->frame->size.left + w + self->frame->size.right;
 932     fh = self->frame->size.top + h + self->frame->size.bottom;
 933
 934     /* This makes sure windows aren't entirely outside of the screen so you
 935        can't see them at all.
 936        It makes sure 10% of the window is on the screen at least. At don't let
 937        it move itself off the top of the screen, which would hide the titlebar
 938        on you. (The user can still do this if they want too, it's only limiting
 939        the application.
 940
 941        XXX watch for xinerama dead areas...
 942     */
 943     if (client_normal(self)) {
 944         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 945             *x = all_a->x + all_a->width - fw/10;
 946         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 947             *y = all_a->y + all_a->height - fh/10;
 948         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 949             *x = all_a->x - fw*9/10;
 950         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 951             *y = all_a->y - fw*9/10;
 952     }
 953
 954     /* If rudeness wasn't requested, then figure out of the client is currently
 955        entirely on the screen. If it is, and the position isn't changing by
 956        request, and it is enlarging, then be rude even though it wasn't
 957        requested */
 958     if (!rude) {
 959         Point oldtl, oldtr, oldbl, oldbr;
 960         Point newtl, newtr, newbl, newbr;
 961         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 962
 963         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 964         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 965                   self->frame->area.y + self->frame->area.height - 1);
 966         POINT_SET(oldtr, oldbr.x, oldtl.y);
 967         POINT_SET(oldbl, oldtl.x, oldbr.y);
 968
 969         POINT_SET(newtl, *x, *y);
 970         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 971         POINT_SET(newtr, newbr.x, newtl.y);
 972         POINT_SET(newbl, newtl.x, newbr.y);
 973
 974         /* is it moving or just resizing from some corner? */
 975         stationary_l = oldtl.x == newtl.x;
 976         stationary_r = oldtr.x == newtr.x;
 977         stationary_t = oldtl.y == newtl.y;
 978         stationary_b = oldbl.y == newbl.y;
 979
 980         /* if left edge is growing and didnt move right edge */
 981         if (stationary_r && newtl.x < oldtl.x)
 982             rudel = TRUE;
 983         /* if right edge is growing and didnt move left edge */
 984         if (stationary_l && newtr.x > oldtr.x)
 985             ruder = TRUE;
 986         /* if top edge is growing and didnt move bottom edge */
 987         if (stationary_b && newtl.y < oldtl.y)
 988             rudet = TRUE;
 989         /* if bottom edge is growing and didnt move top edge */
 990         if (stationary_t && newbl.y > oldbl.y)
 991             rudeb = TRUE;
 992     }
 993
 994     /* This here doesn't let windows even a pixel outside the struts/screen.
 995      * When called from client_manage, programs placing themselves are
 996      * forced completely onscreen, while things like
 997      * xterm -geometry resolution-width/2 will work fine. Trying to
 998      * place it completely offscreen will be handled in the above code.
 999      * Sorry for this confused comment, i am tired. */
1000     if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
1001     if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
1002         *x = mon_a->x + MAX(0, mon_a->width - fw);
1003
1004     if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
1005     if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
1006         *y = mon_a->y + MAX(0, mon_a->height - fh);
1007
1008     /* get where the client should be */
1009     frame_frame_gravity(self->frame, x, y, w, h);
1010
1011     return ox != *x || oy != *y;
1012 }
1013
1014 static void client_get_all(ObClient *self, gboolean real)
1015 {
1016     /* this is needed for the frame to set itself up */
1017     client_get_area(self);
1018
1019     /* these things can change the decor and functions of the window */
1020
1021     client_get_mwm_hints(self);
1022     /* this can change the mwmhints for special cases */
1023     client_get_type_and_transientness(self);
1024     client_get_state(self);
1025     client_update_normal_hints(self);
1026
1027     /* get the session related properties, these can change decorations
1028        from per-app settings */
1029     client_get_session_ids(self);
1030
1031     /* now we got everything that can affect the decorations */
1032     if (!real)
1033         return;
1034
1035     /* get this early so we have it for debugging */
1036     client_update_title(self);
1037
1038     client_update_protocols(self);
1039
1040     client_update_wmhints(self);
1041     /* this may have already been called from client_update_wmhints */
1042     if (!self->parents && !self->transient_for_group)
1043         client_update_transient_for(self);
1044
1045     client_get_startup_id(self);
1046     client_get_desktop(self);/* uses transient data/group/startup id if a
1047                                 desktop is not specified */
1048     client_get_shaped(self);
1049
1050     {
1051         /* a couple type-based defaults for new windows */
1052
1053         /* this makes sure that these windows appear on all desktops */
1054         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1055             self->desktop = DESKTOP_ALL;
1056     }
1057
1058 #ifdef SYNC
1059     client_update_sync_request_counter(self);
1060 #endif
1061
1062     client_get_colormap(self);
1063     client_update_strut(self);
1064     client_update_icons(self);
1065     client_update_user_time_window(self);
1066     if (!self->user_time_window) /* check if this would have been called */
1067         client_update_user_time(self);
1068     client_update_icon_geometry(self);
1069 }
1070
1071 static void client_get_startup_id(ObClient *self)
1072 {
1073     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1074         if (self->group)
1075             PROP_GETS(self->group->leader,
1076                       net_startup_id, utf8, &self->startup_id);
1077 }
1078
1079 static void client_get_area(ObClient *self)
1080 {
1081     XWindowAttributes wattrib;
1082     Status ret;
1083
1084     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1085     g_assert(ret != BadWindow);
1086
1087     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1088     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1089     self->border_width = wattrib.border_width;
1090
1091     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1092              wattrib.width, wattrib.height, wattrib.border_width);
1093 }
1094
1095 static void client_get_desktop(ObClient *self)
1096 {
1097     guint32 d = screen_num_desktops; /* an always-invalid value */
1098
1099     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1100         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1101             self->desktop = screen_num_desktops - 1;
1102         else
1103             self->desktop = d;
1104         ob_debug("client requested desktop 0x%x\n", self->desktop);
1105     } else {
1106         GSList *it;
1107         gboolean first = TRUE;
1108         guint all = screen_num_desktops; /* not a valid value */
1109
1110         /* if they are all on one desktop, then open it on the
1111            same desktop */
1112         for (it = self->parents; it; it = g_slist_next(it)) {
1113             ObClient *c = it->data;
1114
1115             if (c->desktop == DESKTOP_ALL) continue;
1116
1117             if (first) {
1118                 all = c->desktop;
1119                 first = FALSE;
1120             }
1121             else if (all != c->desktop)
1122                 all = screen_num_desktops; /* make it invalid */
1123         }
1124         if (all != screen_num_desktops) {
1125             self->desktop = all;
1126
1127             ob_debug("client desktop set from parents: 0x%x\n",
1128                      self->desktop);
1129         }
1130         /* try get from the startup-notification protocol */
1131         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1132             if (self->desktop >= screen_num_desktops &&
1133                 self->desktop != DESKTOP_ALL)
1134                 self->desktop = screen_num_desktops - 1;
1135             ob_debug("client desktop set from startup-notification: 0x%x\n",
1136                      self->desktop);
1137         }
1138         /* defaults to the current desktop */
1139         else {
1140             self->desktop = screen_desktop;
1141             ob_debug("client desktop set to the current desktop: %d\n",
1142                      self->desktop);
1143         }
1144     }
1145 }
1146
1147 static void client_get_state(ObClient *self)
1148 {
1149     guint32 *state;
1150     guint num;
1151
1152     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1153         gulong i;
1154         for (i = 0; i < num; ++i) {
1155             if (state[i] == prop_atoms.net_wm_state_modal)
1156                 self->modal = TRUE;
1157             else if (state[i] == prop_atoms.net_wm_state_shaded)
1158                 self->shaded = TRUE;
1159             else if (state[i] == prop_atoms.net_wm_state_hidden)
1160                 self->iconic = TRUE;
1161             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1162                 self->skip_taskbar = TRUE;
1163             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1164                 self->skip_pager = TRUE;
1165             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1166                 self->fullscreen = TRUE;
1167             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1168                 self->max_vert = TRUE;
1169             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1170                 self->max_horz = TRUE;
1171             else if (state[i] == prop_atoms.net_wm_state_above)
1172                 self->above = TRUE;
1173             else if (state[i] == prop_atoms.net_wm_state_below)
1174                 self->below = TRUE;
1175             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1176                 self->demands_attention = TRUE;
1177             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1178                 self->undecorated = TRUE;
1179         }
1180
1181         g_free(state);
1182     }
1183 }
1184
1185 static void client_get_shaped(ObClient *self)
1186 {
1187     self->shaped = FALSE;
1188 #ifdef   SHAPE
1189     if (extensions_shape) {
1190         gint foo;
1191         guint ufoo;
1192         gint s;
1193
1194         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1195
1196         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1197                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1198                            &ufoo);
1199         self->shaped = (s != 0);
1200     }
1201 #endif
1202 }
1203
1204 void client_update_transient_for(ObClient *self)
1205 {
1206     Window t = None;
1207     ObClient *target = NULL;
1208     gboolean trangroup = FALSE;
1209
1210     if (XGetTransientForHint(ob_display, self->window, &t)) {
1211         if (t != self->window) { /* cant be transient to itself! */
1212             target = g_hash_table_lookup(window_map, &t);
1213             /* if this happens then we need to check for it*/
1214             g_assert(target != self);
1215             if (target && !WINDOW_IS_CLIENT(target)) {
1216                 /* this can happen when a dialog is a child of
1217                    a dockapp, for example */
1218                 target = NULL;
1219             }
1220         }
1221
1222         /* Setting the transient_for to Root is actually illegal, however
1223            applications from time have done this to specify transient for
1224            their group */
1225         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1226             trangroup = TRUE;
1227     } else if (self->group && self->transient)
1228         trangroup = TRUE;
1229
1230     client_update_transient_tree(self, self->group, self->group,
1231                                  self->transient_for_group, trangroup,
1232                                  client_direct_parent(self), target);
1233     self->transient_for_group = trangroup;
1234
1235 }
1236
1237 static void client_update_transient_tree(ObClient *self,
1238                                          ObGroup *oldgroup, ObGroup *newgroup,
1239                                          gboolean oldgtran, gboolean newgtran,
1240                                          ObClient* oldparent,
1241                                          ObClient *newparent)
1242 {
1243     GSList *it, *next;
1244     ObClient *c;
1245
1246     g_assert(!oldgtran || oldgroup);
1247     g_assert(!newgtran || newgroup);
1248     g_assert((!oldgtran && !oldparent) ||
1249              (oldgtran && !oldparent) ||
1250              (!oldgtran && oldparent));
1251     g_assert((!newgtran && !newparent) ||
1252              (newgtran && !newparent) ||
1253              (!newgtran && newparent));
1254
1255     /* * *
1256       Group transient windows are not allowed to have other group
1257       transient windows as their children.
1258       * * */
1259
1260
1261     /* No change has occured */
1262     if (oldgroup == newgroup &&
1263         oldgtran == newgtran &&
1264         oldparent == newparent) return;
1265
1266     /** Remove the client from the transient tree wherever it has changed **/
1267
1268     /* If the window is becoming a direct transient for a window in its group
1269        then any group transients which were our children and are now becoming
1270        our parents need to stop being our children.
1271
1272        Group transients can't be children of group transients already, but
1273        we could have any number of direct parents above up, any of which could
1274        be transient for the group, and we need to remove it from our children.
1275     */
1276     if (!oldgtran && oldparent != newparent && newparent != NULL &&
1277         newgroup != NULL && newgroup == oldgroup &&
1278         client_normal(newparent))
1279     {
1280         ObClient *look = client_search_top_direct_parent(newparent);
1281         self->transients = g_slist_remove(self->transients, look);
1282         look->parents = g_slist_remove(look->parents, self);
1283     }
1284
1285
1286     /* If the group changed, or if we are just becoming transient for the
1287        group, then we need to remove any old group transient windows
1288        from our children. But if we were already transient for the group, then
1289        other group transients are not our children. */
1290     if ((oldgroup != newgroup || (newgtran && oldgtran != newgtran)) &&
1291         oldgroup != NULL && !oldgtran)
1292     {
1293         for (it = self->transients; it; it = next) {
1294             next = g_slist_next(it);
1295             c = it->data;
1296             if (c->group == oldgroup && client_normal(self)) {
1297                 self->transients = g_slist_delete_link(self->transients, it);
1298                 c->parents = g_slist_remove(c->parents, self);
1299             }
1300         }
1301     }
1302
1303     /* If we used to be transient for a group and now we are not, or we're
1304        transient for a new group, then we need to remove ourselves from all
1305        our ex-parents */
1306     if (oldgtran && (oldgroup != newgroup || oldgtran != newgtran))
1307     {
1308         for (it = self->parents; it; it = next) {
1309             next = g_slist_next(it);
1310             c = it->data;
1311             if (!c->transient_for_group && client_normal(c)) {
1312                 c->transients = g_slist_remove(c->transients, self);
1313                 self->parents = g_slist_delete_link(self->parents, it);
1314             }
1315         }
1316     }
1317     /* If we used to be transient for a single window and we are no longer
1318        transient for it, then we need to remove ourself from its children */
1319     else if (oldparent && oldparent != newparent &&
1320              client_normal(oldparent))
1321     {
1322         oldparent->transients = g_slist_remove(oldparent->transients, self);
1323         self->parents = g_slist_remove(self->parents, oldparent);
1324     }
1325
1326     /** Re-add the client to the transient tree wherever it has changed **/
1327
1328     /* If we're now transient for a group and we weren't transient for it
1329        before then we need to add ourselves to all our new parents */
1330     if (newgtran && (oldgroup != newgroup || oldgtran != newgtran))
1331     {
1332         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1333             c = it->data;
1334             if (c != self && !c->transient_for_group && client_normal(c))
1335             {
1336                 c->transients = g_slist_prepend(c->transients, self);
1337                 self->parents = g_slist_prepend(self->parents, c);
1338             }
1339         }
1340     }
1341     /* If we are now transient for a single window which we weren't before,
1342        we need to add ourselves to its children
1343
1344        WARNING: Cyclical transient ness is possible if two windows are
1345        transient for eachother.
1346     */
1347     else if (newparent && newparent != oldparent &&
1348              /* don't make ourself its child if it is already our child */
1349              !client_is_direct_child(self, newparent) &&
1350              client_normal(newparent))
1351     {
1352         newparent->transients = g_slist_prepend(newparent->transients, self);
1353         self->parents = g_slist_prepend(self->parents, newparent);
1354     }
1355
1356     /* If the group changed then we need to add any new group transient
1357        windows to our children. But if we're transient for the group, then
1358        other group transients are not our children.
1359
1360        WARNING: Cyclical transient-ness is possible. For e.g. if:
1361        A is transient for the group
1362        B is transient for A
1363        C is transient for B
1364        A can't be transient for C or we have a cycle
1365     */
1366     if (oldgroup != newgroup && newgroup != NULL && !newgtran &&
1367         client_normal(self))
1368     {
1369         for (it = newgroup->members; it; it = g_slist_next(it)) {
1370             c = it->data;
1371             if (c != self && c->transient_for_group &&
1372                 /* Don't make it our child if it is already our parent */
1373                 !client_is_direct_child(c, self))
1374             {
1375                 self->transients = g_slist_prepend(self->transients, c);
1376                 c->parents = g_slist_prepend(c->parents, self);
1377             }
1378         }
1379     }
1380 }
1381
1382 static void client_get_mwm_hints(ObClient *self)
1383 {
1384     guint num;
1385     guint32 *hints;
1386
1387     self->mwmhints.flags = 0; /* default to none */
1388
1389     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1390                     &hints, &num)) {
1391         if (num >= OB_MWM_ELEMENTS) {
1392             self->mwmhints.flags = hints[0];
1393             self->mwmhints.functions = hints[1];
1394             self->mwmhints.decorations = hints[2];
1395         }
1396         g_free(hints);
1397     }
1398 }
1399
1400 void client_get_type_and_transientness(ObClient *self)
1401 {
1402     guint num, i;
1403     guint32 *val;
1404     Window t;
1405
1406     self->type = -1;
1407     self->transient = FALSE;
1408
1409     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1410         /* use the first value that we know about in the array */
1411         for (i = 0; i < num; ++i) {
1412             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1413                 self->type = OB_CLIENT_TYPE_DESKTOP;
1414             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1415                 self->type = OB_CLIENT_TYPE_DOCK;
1416             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1417                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1418             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1419                 self->type = OB_CLIENT_TYPE_MENU;
1420             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1421                 self->type = OB_CLIENT_TYPE_UTILITY;
1422             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1423                 self->type = OB_CLIENT_TYPE_SPLASH;
1424             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1425                 self->type = OB_CLIENT_TYPE_DIALOG;
1426             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1427                 self->type = OB_CLIENT_TYPE_NORMAL;
1428             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1429                 /* prevent this window from getting any decor or
1430                    functionality */
1431                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1432                                          OB_MWM_FLAG_DECORATIONS);
1433                 self->mwmhints.decorations = 0;
1434                 self->mwmhints.functions = 0;
1435             }
1436             if (self->type != (ObClientType) -1)
1437                 break; /* grab the first legit type */
1438         }
1439         g_free(val);
1440     }
1441
1442     if (XGetTransientForHint(ob_display, self->window, &t))
1443         self->transient = TRUE;
1444
1445     if (self->type == (ObClientType) -1) {
1446         /*the window type hint was not set, which means we either classify
1447           ourself as a normal window or a dialog, depending on if we are a
1448           transient. */
1449         if (self->transient)
1450             self->type = OB_CLIENT_TYPE_DIALOG;
1451         else
1452             self->type = OB_CLIENT_TYPE_NORMAL;
1453     }
1454
1455     /* then, based on our type, we can update our transientness.. */
1456     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1457         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1458         self->type == OB_CLIENT_TYPE_MENU ||
1459         self->type == OB_CLIENT_TYPE_UTILITY)
1460     {
1461         self->transient = TRUE;
1462     }
1463 }
1464
1465 void client_update_protocols(ObClient *self)
1466 {
1467     guint32 *proto;
1468     guint num_return, i;
1469
1470     self->focus_notify = FALSE;
1471     self->delete_window = FALSE;
1472
1473     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1474         for (i = 0; i < num_return; ++i) {
1475             if (proto[i] == prop_atoms.wm_delete_window)
1476                 /* this means we can request the window to close */
1477                 self->delete_window = TRUE;
1478             else if (proto[i] == prop_atoms.wm_take_focus)
1479                 /* if this protocol is requested, then the window will be
1480                    notified whenever we want it to receive focus */
1481                 self->focus_notify = TRUE;
1482 #ifdef SYNC
1483             else if (proto[i] == prop_atoms.net_wm_sync_request)
1484                 /* if this protocol is requested, then resizing the
1485                    window will be synchronized between the frame and the
1486                    client */
1487                 self->sync_request = TRUE;
1488 #endif
1489         }
1490         g_free(proto);
1491     }
1492 }
1493
1494 #ifdef SYNC
1495 void client_update_sync_request_counter(ObClient *self)
1496 {
1497     guint32 i;
1498
1499     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1500         self->sync_counter = i;
1501     } else
1502         self->sync_counter = None;
1503 }
1504 #endif
1505
1506 void client_get_colormap(ObClient *self)
1507 {
1508     XWindowAttributes wa;
1509
1510     if (XGetWindowAttributes(ob_display, self->window, &wa))
1511         client_update_colormap(self, wa.colormap);
1512 }
1513
1514 void client_update_colormap(ObClient *self, Colormap colormap)
1515 {
1516     if (colormap == self->colormap) return;
1517
1518     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1519
1520     if (client_focused(self)) {
1521         screen_install_colormap(self, FALSE); /* uninstall old one */
1522         self->colormap = colormap;
1523         screen_install_colormap(self, FALSE); /* install new one */
1524     } else
1525         self->colormap = colormap;
1526 }
1527
1528 void client_update_normal_hints(ObClient *self)
1529 {
1530     XSizeHints size;
1531     glong ret;
1532
1533     /* defaults */
1534     self->min_ratio = 0.0f;
1535     self->max_ratio = 0.0f;
1536     SIZE_SET(self->size_inc, 1, 1);
1537     SIZE_SET(self->base_size, 0, 0);
1538     SIZE_SET(self->min_size, 0, 0);
1539     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1540
1541     /* get the hints from the window */
1542     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1543         /* normal windows can't request placement! har har
1544         if (!client_normal(self))
1545         */
1546         self->positioned = (size.flags & (PPosition|USPosition));
1547         self->sized = (size.flags & (PSize|USSize));
1548
1549         if (size.flags & PWinGravity)
1550             self->gravity = size.win_gravity;
1551
1552         if (size.flags & PAspect) {
1553             if (size.min_aspect.y)
1554                 self->min_ratio =
1555                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1556             if (size.max_aspect.y)
1557                 self->max_ratio =
1558                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1559         }
1560
1561         if (size.flags & PMinSize)
1562             SIZE_SET(self->min_size, size.min_width, size.min_height);
1563
1564         if (size.flags & PMaxSize)
1565             SIZE_SET(self->max_size, size.max_width, size.max_height);
1566
1567         if (size.flags & PBaseSize)
1568             SIZE_SET(self->base_size, size.base_width, size.base_height);
1569
1570         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1571             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1572     }
1573 }
1574
1575 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1576 {
1577     /* start with everything (cept fullscreen) */
1578     self->decorations =
1579         (OB_FRAME_DECOR_TITLEBAR |
1580          OB_FRAME_DECOR_HANDLE |
1581          OB_FRAME_DECOR_GRIPS |
1582          OB_FRAME_DECOR_BORDER |
1583          OB_FRAME_DECOR_ICON |
1584          OB_FRAME_DECOR_ALLDESKTOPS |
1585          OB_FRAME_DECOR_ICONIFY |
1586          OB_FRAME_DECOR_MAXIMIZE |
1587          OB_FRAME_DECOR_SHADE |
1588          OB_FRAME_DECOR_CLOSE);
1589     self->functions =
1590         (OB_CLIENT_FUNC_RESIZE |
1591          OB_CLIENT_FUNC_MOVE |
1592          OB_CLIENT_FUNC_ICONIFY |
1593          OB_CLIENT_FUNC_MAXIMIZE |
1594          OB_CLIENT_FUNC_SHADE |
1595          OB_CLIENT_FUNC_CLOSE |
1596          OB_CLIENT_FUNC_BELOW |
1597          OB_CLIENT_FUNC_ABOVE |
1598          OB_CLIENT_FUNC_UNDECORATE);
1599
1600     if (!(self->min_size.width < self->max_size.width ||
1601           self->min_size.height < self->max_size.height))
1602         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1603
1604     switch (self->type) {
1605     case OB_CLIENT_TYPE_NORMAL:
1606         /* normal windows retain all of the possible decorations and
1607            functionality, and are the only windows that you can fullscreen */
1608         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1609         break;
1610
1611     case OB_CLIENT_TYPE_DIALOG:
1612     case OB_CLIENT_TYPE_UTILITY:
1613         /* these windows don't have anything added or removed by default */
1614         break;
1615
1616     case OB_CLIENT_TYPE_MENU:
1617     case OB_CLIENT_TYPE_TOOLBAR:
1618         /* these windows can't iconify or maximize */
1619         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1620                                OB_FRAME_DECOR_MAXIMIZE);
1621         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1622                              OB_CLIENT_FUNC_MAXIMIZE);
1623         break;
1624
1625     case OB_CLIENT_TYPE_SPLASH:
1626         /* these don't get get any decorations, and the only thing you can
1627            do with them is move them */
1628         self->decorations = 0;
1629         self->functions = OB_CLIENT_FUNC_MOVE;
1630         break;
1631
1632     case OB_CLIENT_TYPE_DESKTOP:
1633         /* these windows are not manipulated by the window manager */
1634         self->decorations = 0;
1635         self->functions = 0;
1636         break;
1637
1638     case OB_CLIENT_TYPE_DOCK:
1639         /* these windows are not manipulated by the window manager, but they
1640            can set below layer which has a special meaning */
1641         self->decorations = 0;
1642         self->functions = OB_CLIENT_FUNC_BELOW;
1643         break;
1644     }
1645
1646     /* Mwm Hints are applied subtractively to what has already been chosen for
1647        decor and functionality */
1648     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1649         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1650             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1651                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1652             {
1653                 /* if the mwm hints request no handle or title, then all
1654                    decorations are disabled, but keep the border if that's
1655                    specified */
1656                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1657                     self->decorations = OB_FRAME_DECOR_BORDER;
1658                 else
1659                     self->decorations = 0;
1660             }
1661         }
1662     }
1663
1664     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1665         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1666             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1667                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1668             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1669                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1670             /* dont let mwm hints kill any buttons
1671                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1672                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1673                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1674                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1675             */
1676             /* dont let mwm hints kill the close button
1677                if (! (self->mwmhints.functions & MwmFunc_Close))
1678                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1679         }
1680     }
1681
1682     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1683         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1684     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1685         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1686     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1687         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1688
1689     /* can't maximize without moving/resizing */
1690     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1691           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1692           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1693         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1694         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1695     }
1696
1697     if (self->max_horz && self->max_vert) {
1698         /* you can't resize fully maximized windows */
1699         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1700         /* kill the handle on fully maxed windows */
1701         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1702     }
1703
1704     /* If there are no decorations to remove, don't allow the user to try
1705        toggle the state */
1706     if (self->decorations == 0)
1707         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1708
1709     /* finally, the user can have requested no decorations, which overrides
1710        everything (but doesnt give it a border if it doesnt have one) */
1711     if (self->undecorated) {
1712         if (config_theme_keepborder)
1713             self->decorations &= OB_FRAME_DECOR_BORDER;
1714         else
1715             self->decorations = 0;
1716     }
1717
1718     /* if we don't have a titlebar, then we cannot shade! */
1719     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1720         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1721
1722     /* now we need to check against rules for the client's current state */
1723     if (self->fullscreen) {
1724         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1725                             OB_CLIENT_FUNC_FULLSCREEN |
1726                             OB_CLIENT_FUNC_ICONIFY);
1727         self->decorations = 0;
1728     }
1729
1730     client_change_allowed_actions(self);
1731
1732     if (reconfig)
1733         client_reconfigure(self);
1734 }
1735
1736 static void client_change_allowed_actions(ObClient *self)
1737 {
1738     gulong actions[12];
1739     gint num = 0;
1740
1741     /* desktop windows are kept on all desktops */
1742     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1743         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1744
1745     if (self->functions & OB_CLIENT_FUNC_SHADE)
1746         actions[num++] = prop_atoms.net_wm_action_shade;
1747     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1748         actions[num++] = prop_atoms.net_wm_action_close;
1749     if (self->functions & OB_CLIENT_FUNC_MOVE)
1750         actions[num++] = prop_atoms.net_wm_action_move;
1751     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1752         actions[num++] = prop_atoms.net_wm_action_minimize;
1753     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1754         actions[num++] = prop_atoms.net_wm_action_resize;
1755     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1756         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1757     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1758         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1759         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1760     }
1761     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1762         actions[num++] = prop_atoms.net_wm_action_above;
1763     if (self->functions & OB_CLIENT_FUNC_BELOW)
1764         actions[num++] = prop_atoms.net_wm_action_below;
1765     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1766         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1767
1768     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1769
1770     /* make sure the window isn't breaking any rules now */
1771
1772     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1773         if (self->frame) client_shade(self, FALSE);
1774         else self->shaded = FALSE;
1775     }
1776     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1777         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1778         else self->iconic = FALSE;
1779     }
1780     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1781         if (self->frame) client_fullscreen(self, FALSE);
1782         else self->fullscreen = FALSE;
1783     }
1784     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1785                                                          self->max_vert)) {
1786         if (self->frame) client_maximize(self, FALSE, 0);
1787         else self->max_vert = self->max_horz = FALSE;
1788     }
1789 }
1790
1791 void client_reconfigure(ObClient *self)
1792 {
1793     client_configure(self, self->area.x, self->area.y,
1794                      self->area.width, self->area.height,
1795                      FALSE, TRUE);
1796 }
1797
1798 void client_update_wmhints(ObClient *self)
1799 {
1800     XWMHints *hints;
1801
1802     /* assume a window takes input if it doesnt specify */
1803     self->can_focus = TRUE;
1804
1805     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1806         gboolean ur;
1807
1808         if (hints->flags & InputHint)
1809             self->can_focus = hints->input;
1810
1811         /* only do this when first managing the window *AND* when we aren't
1812            starting up! */
1813         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1814             if (hints->flags & StateHint)
1815                 self->iconic = hints->initial_state == IconicState;
1816
1817         ur = self->urgent;
1818         self->urgent = (hints->flags & XUrgencyHint);
1819         if (self->urgent && !ur)
1820             client_hilite(self, TRUE);
1821         else if (!self->urgent && ur && self->demands_attention)
1822             client_hilite(self, FALSE);
1823
1824         if (!(hints->flags & WindowGroupHint))
1825             hints->window_group = None;
1826
1827         /* did the group state change? */
1828         if (hints->window_group !=
1829             (self->group ? self->group->leader : None))
1830         {
1831             ObGroup *oldgroup = self->group;
1832
1833             /* remove from the old group if there was one */
1834             if (self->group != NULL) {
1835                 group_remove(self->group, self);
1836                 self->group = NULL;
1837             }
1838
1839             /* add ourself to the group if we have one */
1840             if (hints->window_group != None) {
1841                 self->group = group_add(hints->window_group, self);
1842             }
1843
1844             /* Put ourselves into the new group's transient tree, and remove
1845                ourselves from the old group's */
1846             client_update_transient_tree(self, oldgroup, self->group,
1847                                          self->transient_for_group,
1848                                          self->transient_for_group,
1849                                          client_direct_parent(self),
1850                                          client_direct_parent(self));
1851
1852             /* Lastly, being in a group, or not, can change if the window is
1853                transient for anything.
1854
1855                The logic for this is:
1856                self->transient = TRUE always if the window wants to be
1857                transient for something, even if transient_for was NULL because
1858                it wasn't in a group before.
1859
1860                If parents was NULL and oldgroup was NULL we can assume
1861                that when we add the new group, it will become transient for
1862                something.
1863
1864                If transient_for_group is TRUE, then it must have already
1865                had a group. If it is getting a new group, the above call to
1866                client_update_transient_tree has already taken care of
1867                everything ! If it is losing all group status then it will
1868                no longer be transient for anything and that needs to be
1869                updated.
1870             */
1871             if (self->transient &&
1872                 ((self->parents == NULL && oldgroup == NULL) ||
1873                  (self->transient_for_group && !self->group)))
1874                 client_update_transient_for(self);
1875         }
1876
1877         /* the WM_HINTS can contain an icon */
1878         if (hints->flags & IconPixmapHint)
1879             client_update_icons(self);
1880
1881         XFree(hints);
1882     }
1883 }
1884
1885 void client_update_title(ObClient *self)
1886 {
1887     gchar *data = NULL;
1888     gchar *visible = NULL;
1889
1890     g_free(self->title);
1891
1892     /* try netwm */
1893     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1894         /* try old x stuff */
1895         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1896               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1897             if (self->transient) {
1898                 /*
1899                   GNOME alert windows are not given titles:
1900                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1901                 */
1902                 data = g_strdup("");
1903             } else
1904                 data = g_strdup("Unnamed Window");
1905         }
1906     }
1907
1908     if (self->client_machine) {
1909         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1910         g_free(data);
1911     } else
1912         visible = data;
1913
1914     PROP_SETS(self->window, net_wm_visible_name, visible);
1915     self->title = visible;
1916
1917     if (self->frame)
1918         frame_adjust_title(self->frame);
1919
1920     /* update the icon title */
1921     data = NULL;
1922     g_free(self->icon_title);
1923
1924     /* try netwm */
1925     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1926         /* try old x stuff */
1927         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1928               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1929             data = g_strdup(self->title);
1930
1931     if (self->client_machine) {
1932         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1933         g_free(data);
1934     } else
1935         visible = data;
1936
1937     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1938     self->icon_title = visible;
1939 }
1940
1941 void client_update_strut(ObClient *self)
1942 {
1943     guint num;
1944     guint32 *data;
1945     gboolean got = FALSE;
1946     StrutPartial strut;
1947
1948     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1949                     &data, &num)) {
1950         if (num == 12) {
1951             got = TRUE;
1952             STRUT_PARTIAL_SET(strut,
1953                               data[0], data[2], data[1], data[3],
1954                               data[4], data[5], data[8], data[9],
1955                               data[6], data[7], data[10], data[11]);
1956         }
1957         g_free(data);
1958     }
1959
1960     if (!got &&
1961         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1962         if (num == 4) {
1963             const Rect *a;
1964
1965             got = TRUE;
1966
1967             /* use the screen's width/height */
1968             a = screen_physical_area();
1969
1970             STRUT_PARTIAL_SET(strut,
1971                               data[0], data[2], data[1], data[3],
1972                               a->y, a->y + a->height - 1,
1973                               a->x, a->x + a->width - 1,
1974                               a->y, a->y + a->height - 1,
1975                               a->x, a->x + a->width - 1);
1976         }
1977         g_free(data);
1978     }
1979
1980     if (!got)
1981         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1982                           0, 0, 0, 0, 0, 0, 0, 0);
1983
1984     if (!STRUT_EQUAL(strut, self->strut)) {
1985         self->strut = strut;
1986
1987         /* updating here is pointless while we're being mapped cuz we're not in
1988            the client list yet */
1989         if (self->frame)
1990             screen_update_areas();
1991     }
1992 }
1993
1994 void client_update_icons(ObClient *self)
1995 {
1996     guint num;
1997     guint32 *data;
1998     guint w, h, i, j;
1999
2000     for (i = 0; i < self->nicons; ++i)
2001         g_free(self->icons[i].data);
2002     if (self->nicons > 0)
2003         g_free(self->icons);
2004     self->nicons = 0;
2005
2006     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2007         /* figure out how many valid icons are in here */
2008         i = 0;
2009         while (num - i > 2) {
2010             w = data[i++];
2011             h = data[i++];
2012             i += w * h;
2013             if (i > num || w*h == 0) break;
2014             ++self->nicons;
2015         }
2016
2017         self->icons = g_new(ObClientIcon, self->nicons);
2018
2019         /* store the icons */
2020         i = 0;
2021         for (j = 0; j < self->nicons; ++j) {
2022             guint x, y, t;
2023
2024             w = self->icons[j].width = data[i++];
2025             h = self->icons[j].height = data[i++];
2026
2027             if (w*h == 0) continue;
2028
2029             self->icons[j].data = g_new(RrPixel32, w * h);
2030             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2031                 if (x >= w) {
2032                     x = 0;
2033                     ++y;
2034                 }
2035                 self->icons[j].data[t] =
2036                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2037                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2038                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2039                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2040             }
2041             g_assert(i <= num);
2042         }
2043
2044         g_free(data);
2045     } else {
2046         XWMHints *hints;
2047
2048         if ((hints = XGetWMHints(ob_display, self->window))) {
2049             if (hints->flags & IconPixmapHint) {
2050                 self->nicons = 1;
2051                 self->icons = g_new(ObClientIcon, self->nicons);
2052                 xerror_set_ignore(TRUE);
2053                 if (!RrPixmapToRGBA(ob_rr_inst,
2054                                     hints->icon_pixmap,
2055                                     (hints->flags & IconMaskHint ?
2056                                      hints->icon_mask : None),
2057                                     &self->icons[0].width,
2058                                     &self->icons[0].height,
2059                                     &self->icons[0].data))
2060                 {
2061                     g_free(self->icons);
2062                     self->nicons = 0;
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_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 }