openbox/client.c

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