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 || self->positioned & USPosition) &&
 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
2089        if it has parents, then one of them will have an icon already
2090     */
2091     if (self->nicons == 0 && !self->parents) {
2092         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2093         gulong *data;
2094
2095         data = g_new(gulong, 48*48+2);
2096         data[0] = data[1] =  48;
2097         for (i = 0; i < 48*48; ++i)
2098             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2099                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2100                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2101                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2102         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2103         g_free(data);
2104     } else if (self->frame)
2105         /* don't draw the icon empty if we're just setting one now anyways,
2106            we'll get the property change any second */
2107         frame_adjust_icon(self->frame);
2108 }
2109
2110 void client_update_user_time(ObClient *self)
2111 {
2112     guint32 time;
2113     gboolean got = FALSE;
2114
2115     if (self->user_time_window)
2116         got = PROP_GET32(self->user_time_window,
2117                          net_wm_user_time, cardinal, &time);
2118     if (!got)
2119         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2120
2121     if (got) {
2122         /* we set this every time, not just when it grows, because in practice
2123            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2124            backward we don't want all windows to stop focusing. we'll just
2125            assume noone is setting times older than the last one, cuz that
2126            would be pretty stupid anyways
2127         */
2128         self->user_time = time;
2129
2130         /*ob_debug("window %s user time %u\n", self->title, time);*/
2131     }
2132 }
2133
2134 void client_update_user_time_window(ObClient *self)
2135 {
2136     guint32 w;
2137
2138     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2139         w = None;
2140
2141     if (w != self->user_time_window) {
2142         /* remove the old window */
2143         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2144         self->user_time_window = None;
2145
2146         if (self->group && self->group->leader == w) {
2147             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2148                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2149             /* do it anyways..? */
2150         }
2151         else if (w == self->window) {
2152             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2153                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2154             w = None; /* don't do it */
2155         }
2156
2157         /* add the new window */
2158         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2159         self->user_time_window = w;
2160
2161         /* and update from it */
2162         client_update_user_time(self);
2163     }
2164 }
2165
2166 void client_update_icon_geometry(ObClient *self)
2167 {
2168     guint num;
2169     guint32 *data;
2170
2171     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2172
2173     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2174         && num == 4)
2175     {
2176         /* don't let them set it with an area < 0 */
2177         RECT_SET(self->icon_geometry, data[0], data[1],
2178                  MAX(data[2],0), MAX(data[3],0));
2179     }
2180 }
2181
2182 static void client_get_session_ids(ObClient *self)
2183 {
2184     guint32 leader;
2185     gboolean got;
2186     gchar *s;
2187     gchar **ss;
2188
2189     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2190         leader = None;
2191
2192     /* get the SM_CLIENT_ID */
2193     got = FALSE;
2194     if (leader)
2195         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2196     if (!got)
2197         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2198
2199     /* get the WM_CLASS (name and class). make them "" if they are not
2200        provided */
2201     got = FALSE;
2202     if (leader)
2203         got = PROP_GETSS(leader, wm_class, locale, &ss);
2204     if (!got)
2205         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2206
2207     if (got) {
2208         if (ss[0]) {
2209             self->name = g_strdup(ss[0]);
2210             if (ss[1])
2211                 self->class = g_strdup(ss[1]);
2212         }
2213         g_strfreev(ss);
2214     }
2215
2216     if (self->name == NULL) self->name = g_strdup("");
2217     if (self->class == NULL) self->class = g_strdup("");
2218
2219     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2220     got = FALSE;
2221     if (leader)
2222         got = PROP_GETS(leader, wm_window_role, locale, &s);
2223     if (!got)
2224         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2225
2226     if (got)
2227         self->role = s;
2228     else
2229         self->role = g_strdup("");
2230
2231     /* get the WM_COMMAND */
2232     got = FALSE;
2233
2234     if (leader)
2235         got = PROP_GETSS(leader, wm_command, locale, &ss);
2236     if (!got)
2237         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2238
2239     if (got) {
2240         /* merge/mash them all together */
2241         gchar *merge = NULL;
2242         gint i;
2243
2244         for (i = 0; ss[i]; ++i) {
2245             gchar *tmp = merge;
2246             if (merge)
2247                 merge = g_strconcat(merge, ss[i], NULL);
2248             else
2249                 merge = g_strconcat(ss[i], NULL);
2250             g_free(tmp);
2251         }
2252         g_strfreev(ss);
2253
2254         self->wm_command = merge;
2255     }
2256
2257     /* get the WM_CLIENT_MACHINE */
2258     got = FALSE;
2259     if (leader)
2260         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2261     if (!got)
2262         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2263
2264     if (got) {
2265         gchar localhost[128];
2266
2267         gethostname(localhost, 127);
2268         localhost[127] = '\0';
2269         if (strcmp(localhost, s) != 0)
2270             self->client_machine = s;
2271         else
2272             g_free(s);
2273     }
2274 }
2275
2276 static void client_change_wm_state(ObClient *self)
2277 {
2278     gulong state[2];
2279     glong old;
2280
2281     old = self->wmstate;
2282
2283     if (self->shaded || self->iconic ||
2284         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2285     {
2286         self->wmstate = IconicState;
2287     } else
2288         self->wmstate = NormalState;
2289
2290     if (old != self->wmstate) {
2291         PROP_MSG(self->window, kde_wm_change_state,
2292                  self->wmstate, 1, 0, 0);
2293
2294         state[0] = self->wmstate;
2295         state[1] = None;
2296         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2297     }
2298 }
2299
2300 static void client_change_state(ObClient *self)
2301 {
2302     gulong netstate[12];
2303     guint num;
2304
2305     num = 0;
2306     if (self->modal)
2307         netstate[num++] = prop_atoms.net_wm_state_modal;
2308     if (self->shaded)
2309         netstate[num++] = prop_atoms.net_wm_state_shaded;
2310     if (self->iconic)
2311         netstate[num++] = prop_atoms.net_wm_state_hidden;
2312     if (self->skip_taskbar)
2313         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2314     if (self->skip_pager)
2315         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2316     if (self->fullscreen)
2317         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2318     if (self->max_vert)
2319         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2320     if (self->max_horz)
2321         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2322     if (self->above)
2323         netstate[num++] = prop_atoms.net_wm_state_above;
2324     if (self->below)
2325         netstate[num++] = prop_atoms.net_wm_state_below;
2326     if (self->demands_attention)
2327         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2328     if (self->undecorated)
2329         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2330     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2331
2332     if (self->frame)
2333         frame_adjust_state(self->frame);
2334 }
2335
2336 ObClient *client_search_focus_tree(ObClient *self)
2337 {
2338     GSList *it;
2339     ObClient *ret;
2340
2341     for (it = self->transients; it; it = g_slist_next(it)) {
2342         if (client_focused(it->data)) return it->data;
2343         if ((ret = client_search_focus_tree(it->data))) return ret;
2344     }
2345     return NULL;
2346 }
2347
2348 ObClient *client_search_focus_tree_full(ObClient *self)
2349 {
2350     if (self->parents) {
2351         GSList *it;
2352
2353         for (it = self->parents; it; it = g_slist_next(it)) {
2354             ObClient *c = it->data;
2355             if ((c = client_search_focus_tree_full(it->data))) return c;
2356         }
2357
2358         return NULL;
2359     }
2360     else {
2361         /* this function checks the whole tree, the client_search_focus_tree
2362            does not, so we need to check this window */
2363         if (client_focused(self))
2364             return self;
2365         return client_search_focus_tree(self);
2366     }
2367 }
2368
2369 ObClient *client_search_focus_group_full(ObClient *self)
2370 {
2371     GSList *it;
2372
2373     if (self->group) {
2374         for (it = self->group->members; it; it = g_slist_next(it)) {
2375             ObClient *c = it->data;
2376
2377             if (client_focused(c)) return c;
2378             if ((c = client_search_focus_tree(it->data))) return c;
2379         }
2380     } else
2381         if (client_focused(self)) return self;
2382     return NULL;
2383 }
2384
2385 gboolean client_has_parent(ObClient *self)
2386 {
2387     return self->parents != NULL;
2388 }
2389
2390 static ObStackingLayer calc_layer(ObClient *self)
2391 {
2392     ObStackingLayer l;
2393     Rect *monitor;
2394
2395     monitor = screen_physical_area_monitor(client_monitor(self));
2396
2397     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2398         l = OB_STACKING_LAYER_DESKTOP;
2399     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2400         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2401         else l = OB_STACKING_LAYER_ABOVE;
2402     }
2403     else if ((self->fullscreen ||
2404               /* No decorations and fills the monitor = oldskool fullscreen.
2405                  But not for maximized windows.
2406               */
2407               (self->decorations == 0 &&
2408                !(self->max_horz && self->max_vert) &&
2409                RECT_EQUAL(self->area, *monitor))) &&
2410              (client_focused(self) || client_search_focus_tree(self)))
2411         l = OB_STACKING_LAYER_FULLSCREEN;
2412     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2413     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2414     else l = OB_STACKING_LAYER_NORMAL;
2415
2416     g_free(monitor);
2417
2418     return l;
2419 }
2420
2421 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2422                                         ObStackingLayer min)
2423 {
2424     ObStackingLayer old, own;
2425     GSList *it;
2426
2427     old = self->layer;
2428     own = calc_layer(self);
2429     self->layer = MAX(own, min);
2430
2431     if (self->layer != old) {
2432         stacking_remove(CLIENT_AS_WINDOW(self));
2433         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2434     }
2435
2436     for (it = self->transients; it; it = g_slist_next(it))
2437         client_calc_layer_recursive(it->data, orig,
2438                                     self->layer);
2439 }
2440
2441 void client_calc_layer(ObClient *self)
2442 {
2443     ObClient *orig;
2444     GSList *it;
2445
2446     orig = self;
2447
2448     /* transients take on the layer of their parents */
2449     it = client_search_all_top_parents(self);
2450
2451     for (; it; it = g_slist_next(it))
2452         client_calc_layer_recursive(it->data, orig, 0);
2453 }
2454
2455 gboolean client_should_show(ObClient *self)
2456 {
2457     if (self->iconic)
2458         return FALSE;
2459     if (client_normal(self) && screen_showing_desktop)
2460         return FALSE;
2461     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2462         return TRUE;
2463
2464     return FALSE;
2465 }
2466
2467 gboolean client_show(ObClient *self)
2468 {
2469     gboolean show = FALSE;
2470
2471     if (client_should_show(self)) {
2472         frame_show(self->frame);
2473         show = TRUE;
2474
2475         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2476            it needs to be in IconicState. This includes when it is on another
2477            desktop!
2478         */
2479         client_change_wm_state(self);
2480     }
2481     return show;
2482 }
2483
2484 gboolean client_hide(ObClient *self)
2485 {
2486     gboolean hide = FALSE;
2487
2488     if (!client_should_show(self)) {
2489         if (self == focus_client) {
2490             /* if there is a grab going on, then we need to cancel it. if we
2491                move focus during the grab, applications will get
2492                NotifyWhileGrabbed events and ignore them !
2493
2494                actions should not rely on being able to move focus during an
2495                interactive grab.
2496             */
2497             event_cancel_all_key_grabs();
2498         }
2499
2500         /* We don't need to ignore enter events here.
2501            The window can hide/iconify in 3 different ways:
2502            1 - through an x message. in this case we ignore all enter events
2503                caused by responding to the x message (unless underMouse)
2504            2 - by a keyboard action. in this case we ignore all enter events
2505                caused by the action
2506            3 - by a mouse action. in this case they are doing stuff with the
2507                mouse and focus _should_ move.
2508
2509            Also in action_end, we simulate an enter event that can't be ignored
2510            so trying to ignore them is futile in case 3 anyways
2511         */
2512
2513         frame_hide(self->frame);
2514         hide = TRUE;
2515
2516         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2517            it needs to be in IconicState. This includes when it is on another
2518            desktop!
2519         */
2520         client_change_wm_state(self);
2521     }
2522     return hide;
2523 }
2524
2525 void client_showhide(ObClient *self)
2526 {
2527     if (!client_show(self))
2528         client_hide(self);
2529 }
2530
2531 gboolean client_normal(ObClient *self) {
2532     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2533               self->type == OB_CLIENT_TYPE_DOCK ||
2534               self->type == OB_CLIENT_TYPE_SPLASH);
2535 }
2536
2537 gboolean client_helper(ObClient *self)
2538 {
2539     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2540             self->type == OB_CLIENT_TYPE_MENU ||
2541             self->type == OB_CLIENT_TYPE_TOOLBAR);
2542 }
2543
2544 gboolean client_mouse_focusable(ObClient *self)
2545 {
2546     return !(self->type == OB_CLIENT_TYPE_MENU ||
2547              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2548              self->type == OB_CLIENT_TYPE_SPLASH ||
2549              self->type == OB_CLIENT_TYPE_DOCK);
2550 }
2551
2552 gboolean client_enter_focusable(ObClient *self)
2553 {
2554     /* you can focus desktops but it shouldn't on enter */
2555     return (client_mouse_focusable(self) &&
2556             self->type != OB_CLIENT_TYPE_DESKTOP);
2557 }
2558
2559
2560 static void client_apply_startup_state(ObClient *self,
2561                                        gint x, gint y, gint w, gint h)
2562 {
2563     /* save the states that we are going to apply */
2564     gboolean iconic = self->iconic;
2565     gboolean fullscreen = self->fullscreen;
2566     gboolean undecorated = self->undecorated;
2567     gboolean shaded = self->shaded;
2568     gboolean demands_attention = self->demands_attention;
2569     gboolean max_horz = self->max_horz;
2570     gboolean max_vert = self->max_vert;
2571     Rect oldarea;
2572     gint l;
2573
2574     /* turn them all off in the client, so they won't affect the window
2575        being placed */
2576     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2577         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2578
2579     /* move the client to its placed position, or it it's already there,
2580        generate a ConfigureNotify telling the client where it is.
2581
2582        do this after adjusting the frame. otherwise it gets all weird and
2583        clients don't work right
2584
2585        do this before applying the states so they have the correct
2586        pre-max/pre-fullscreen values
2587     */
2588     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2589     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2590              self->window, x, y, w, h);
2591     /* save the area, and make it where it should be for the premax stuff */
2592     oldarea = self->area;
2593     RECT_SET(self->area, x, y, w, h);
2594
2595     /* apply the states. these are in a carefully crafted order.. */
2596
2597     if (iconic)
2598         client_iconify(self, TRUE, FALSE, TRUE);
2599     if (fullscreen)
2600         client_fullscreen(self, TRUE);
2601     if (undecorated)
2602         client_set_undecorated(self, TRUE);
2603     if (shaded)
2604         client_shade(self, TRUE);
2605     if (demands_attention)
2606         client_hilite(self, TRUE);
2607
2608     if (max_vert && max_horz)
2609         client_maximize(self, TRUE, 0);
2610     else if (max_vert)
2611         client_maximize(self, TRUE, 2);
2612     else if (max_horz)
2613         client_maximize(self, TRUE, 1);
2614
2615     /* if the window hasn't been configured yet, then do so now */
2616     if (!fullscreen && !max_vert && !max_horz) {
2617         self->area = oldarea;
2618         client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2619     }
2620
2621     /* set the desktop hint, to make sure that it always exists */
2622     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2623
2624     /* nothing to do for the other states:
2625        skip_taskbar
2626        skip_pager
2627        modal
2628        above
2629        below
2630     */
2631 }
2632
2633 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2634 {
2635     /* these should be the current values. this is for when you're not moving,
2636        just resizing */
2637     g_assert(*x == self->area.x);
2638     g_assert(oldw == self->area.width);
2639
2640     /* horizontal */
2641     switch (self->gravity) {
2642     default:
2643     case NorthWestGravity:
2644     case WestGravity:
2645     case SouthWestGravity:
2646     case StaticGravity:
2647     case ForgetGravity:
2648         break;
2649     case NorthGravity:
2650     case CenterGravity:
2651     case SouthGravity:
2652         *x -= (neww - oldw) / 2;
2653         break;
2654     case NorthEastGravity:
2655     case EastGravity:
2656     case SouthEastGravity:
2657         *x -= neww - oldw;
2658         break;
2659     }
2660 }
2661
2662 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2663 {
2664     /* these should be the current values. this is for when you're not moving,
2665        just resizing */
2666     g_assert(*y == self->area.y);
2667     g_assert(oldh == self->area.height);
2668
2669     /* vertical */
2670     switch (self->gravity) {
2671     default:
2672     case NorthWestGravity:
2673     case NorthGravity:
2674     case NorthEastGravity:
2675     case StaticGravity:
2676     case ForgetGravity:
2677         break;
2678     case WestGravity:
2679     case CenterGravity:
2680     case EastGravity:
2681         *y -= (newh - oldh) / 2;
2682         break;
2683     case SouthWestGravity:
2684     case SouthGravity:
2685     case SouthEastGravity:
2686         *y -= newh - oldh;
2687         break;
2688     }
2689 }
2690
2691 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2692                           gint *logicalw, gint *logicalh,
2693                           gboolean user)
2694 {
2695     Rect desired = {*x, *y, *w, *h};
2696     frame_rect_to_frame(self->frame, &desired);
2697
2698     /* make the frame recalculate its dimentions n shit without changing
2699        anything visible for real, this way the constraints below can work with
2700        the updated frame dimensions. */
2701     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2702
2703     /* gets the frame's position */
2704     frame_client_gravity(self->frame, x, y, *w, *h);
2705
2706     /* these positions are frame positions, not client positions */
2707
2708     /* set the size and position if fullscreen */
2709     if (self->fullscreen) {
2710         Rect *a;
2711         guint i;
2712
2713         i = screen_find_monitor(&desired);
2714         a = screen_physical_area_monitor(i);
2715
2716         *x = a->x;
2717         *y = a->y;
2718         *w = a->width;
2719         *h = a->height;
2720
2721         user = FALSE; /* ignore if the client can't be moved/resized when it
2722                          is fullscreening */
2723
2724         g_free(a);
2725     } else if (self->max_horz || self->max_vert) {
2726         Rect *a;
2727         guint i;
2728
2729         /* use all possible struts when maximizing to the full screen */
2730         i = screen_find_monitor(&desired);
2731         a = screen_area(self->desktop, i,
2732                         (self->max_horz && self->max_vert ? NULL : &desired));
2733
2734         /* set the size and position if maximized */
2735         if (self->max_horz) {
2736             *x = a->x;
2737             *w = a->width - self->frame->size.left - self->frame->size.right;
2738         }
2739         if (self->max_vert) {
2740             *y = a->y;
2741             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2742         }
2743
2744         user = FALSE; /* ignore if the client can't be moved/resized when it
2745                          is maximizing */
2746
2747         g_free(a);
2748     }
2749
2750     /* gets the client's position */
2751     frame_frame_gravity(self->frame, x, y, *w, *h);
2752
2753     /* work within the prefered sizes given by the window */
2754     if (!(*w == self->area.width && *h == self->area.height)) {
2755         gint basew, baseh, minw, minh;
2756         gint incw, inch;
2757         gfloat minratio, maxratio;
2758
2759         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2760         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2761         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2762             0 : self->min_ratio;
2763         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2764             0 : self->max_ratio;
2765
2766         /* base size is substituted with min size if not specified */
2767         if (self->base_size.width || self->base_size.height) {
2768             basew = self->base_size.width;
2769             baseh = self->base_size.height;
2770         } else {
2771             basew = self->min_size.width;
2772             baseh = self->min_size.height;
2773         }
2774         /* min size is substituted with base size if not specified */
2775         if (self->min_size.width || self->min_size.height) {
2776             minw = self->min_size.width;
2777             minh = self->min_size.height;
2778         } else {
2779             minw = self->base_size.width;
2780             minh = self->base_size.height;
2781         }
2782
2783         /* if this is a user-requested resize, then check against min/max
2784            sizes */
2785
2786         /* smaller than min size or bigger than max size? */
2787         if (*w > self->max_size.width) *w = self->max_size.width;
2788         if (*w < minw) *w = minw;
2789         if (*h > self->max_size.height) *h = self->max_size.height;
2790         if (*h < minh) *h = minh;
2791
2792         *w -= basew;
2793         *h -= baseh;
2794
2795         /* keep to the increments */
2796         *w /= incw;
2797         *h /= inch;
2798
2799         /* you cannot resize to nothing */
2800         if (basew + *w < 1) *w = 1 - basew;
2801         if (baseh + *h < 1) *h = 1 - baseh;
2802
2803         /* save the logical size */
2804         *logicalw = incw > 1 ? *w : *w + basew;
2805         *logicalh = inch > 1 ? *h : *h + baseh;
2806
2807         *w *= incw;
2808         *h *= inch;
2809
2810         *w += basew;
2811         *h += baseh;
2812
2813         /* adjust the height to match the width for the aspect ratios.
2814            for this, min size is not substituted for base size ever. */
2815         *w -= self->base_size.width;
2816         *h -= self->base_size.height;
2817
2818         if (minratio)
2819             if (*h * minratio > *w) {
2820                 *h = (gint)(*w / minratio);
2821
2822                 /* you cannot resize to nothing */
2823                 if (*h < 1) {
2824                     *h = 1;
2825                     *w = (gint)(*h * minratio);
2826                 }
2827             }
2828         if (maxratio)
2829             if (*h * maxratio < *w) {
2830                 *h = (gint)(*w / maxratio);
2831
2832                 /* you cannot resize to nothing */
2833                 if (*h < 1) {
2834                     *h = 1;
2835                     *w = (gint)(*h * minratio);
2836                 }
2837             }
2838
2839         *w += self->base_size.width;
2840         *h += self->base_size.height;
2841     }
2842
2843     /* these override the above states! if you cant move you can't move! */
2844     if (user) {
2845         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2846             *x = self->area.x;
2847             *y = self->area.y;
2848         }
2849         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2850             *w = self->area.width;
2851             *h = self->area.height;
2852         }
2853     }
2854
2855     g_assert(*w > 0);
2856     g_assert(*h > 0);
2857 }
2858
2859
2860 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2861                       gboolean user, gboolean final, gboolean force_reply)
2862 {
2863     gint oldw, oldh;
2864     gboolean send_resize_client;
2865     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2866     gboolean fmoved, fresized;
2867     guint fdecor = self->frame->decorations;
2868     gboolean fhorz = self->frame->max_horz;
2869     gboolean fvert = self->frame->max_vert;
2870     gint logicalw, logicalh;
2871
2872     /* find the new x, y, width, and height (and logical size) */
2873     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2874
2875     /* set the logical size if things changed */
2876     if (!(w == self->area.width && h == self->area.height))
2877         SIZE_SET(self->logical_size, logicalw, logicalh);
2878
2879     /* figure out if we moved or resized or what */
2880     moved = (x != self->area.x || y != self->area.y);
2881     resized = (w != self->area.width || h != self->area.height);
2882
2883     oldw = self->area.width;
2884     oldh = self->area.height;
2885     RECT_SET(self->area, x, y, w, h);
2886
2887     /* for app-requested resizes, always resize if 'resized' is true.
2888        for user-requested ones, only resize if final is true, or when
2889        resizing in redraw mode */
2890     send_resize_client = ((!user && resized) ||
2891                           (user && (final ||
2892                                     (resized && config_resize_redraw))));
2893
2894     /* if the client is enlarging, then resize the client before the frame */
2895     if (send_resize_client && (w > oldw || h > oldh)) {
2896         XMoveResizeWindow(ob_display, self->window,
2897                           self->frame->size.left, self->frame->size.top,
2898                           MAX(w, oldw), MAX(h, oldh));
2899         frame_adjust_client_area(self->frame);
2900     }
2901
2902     /* find the frame's dimensions and move/resize it */
2903     fmoved = moved;
2904     fresized = resized;
2905
2906     /* if decorations changed, then readjust everything for the frame */
2907     if (self->decorations != fdecor ||
2908         self->max_horz != fhorz || self->max_vert != fvert)
2909     {
2910         fmoved = fresized = TRUE;
2911     }
2912
2913     /* adjust the frame */
2914     if (fmoved || fresized) {
2915         gulong ignore_start;
2916         if (!user)
2917             ignore_start = event_start_ignore_all_enters();
2918
2919         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2920
2921         if (!user)
2922             event_end_ignore_all_enters(ignore_start);
2923     }
2924
2925     if (!user || final) {
2926         gint oldrx = self->root_pos.x;
2927         gint oldry = self->root_pos.y;
2928         /* we have reset the client to 0 border width, so don't include
2929            it in these coords */
2930         POINT_SET(self->root_pos,
2931                   self->frame->area.x + self->frame->size.left -
2932                   self->border_width,
2933                   self->frame->area.y + self->frame->size.top -
2934                   self->border_width);
2935         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
2936             rootmoved = TRUE;
2937     }
2938
2939     /* This is kinda tricky and should not be changed.. let me explain!
2940
2941        When user = FALSE, then the request is coming from the application
2942        itself, and we are more strict about when to send a synthetic
2943        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
2944        in this case (if force_reply is true)
2945
2946        When user = TRUE, then the request is coming from "us", like when we
2947        maximize a window or something.  In this case we are more lenient.  We
2948        used to follow the same rules as above, but _Java_ Swing can't handle
2949        this. So just to appease Swing, when user = TRUE, we always send
2950        a synthetic ConfigureNotify to give the window its root coordinates.
2951     */
2952     if ((!user && !resized && (rootmoved || force_reply)) ||
2953         (user && final && rootmoved))
2954     {
2955         XEvent event;
2956
2957         event.type = ConfigureNotify;
2958         event.xconfigure.display = ob_display;
2959         event.xconfigure.event = self->window;
2960         event.xconfigure.window = self->window;
2961
2962         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2963                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2964
2965         /* root window real coords */
2966         event.xconfigure.x = self->root_pos.x;
2967         event.xconfigure.y = self->root_pos.y;
2968         event.xconfigure.width = w;
2969         event.xconfigure.height = h;
2970         event.xconfigure.border_width = self->border_width;
2971         event.xconfigure.above = None;
2972         event.xconfigure.override_redirect = FALSE;
2973         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2974                    FALSE, StructureNotifyMask, &event);
2975     }
2976
2977     /* if the client is shrinking, then resize the frame before the client.
2978
2979        both of these resize sections may run, because the top one only resizes
2980        in the direction that is growing
2981      */
2982     if (send_resize_client && (w <= oldw || h <= oldh)) {
2983         frame_adjust_client_area(self->frame);
2984         XMoveResizeWindow(ob_display, self->window,
2985                           self->frame->size.left, self->frame->size.top, w, h);
2986     }
2987
2988     XFlush(ob_display);
2989 }
2990
2991 void client_fullscreen(ObClient *self, gboolean fs)
2992 {
2993     gint x, y, w, h;
2994
2995     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2996         self->fullscreen == fs) return;                   /* already done */
2997
2998     self->fullscreen = fs;
2999     client_change_state(self); /* change the state hints on the client */
3000
3001     if (fs) {
3002         self->pre_fullscreen_area = self->area;
3003         /* if the window is maximized, its area isn't all that meaningful.
3004            save it's premax area instead. */
3005         if (self->max_horz) {
3006             self->pre_fullscreen_area.x = self->pre_max_area.x;
3007             self->pre_fullscreen_area.width = self->pre_max_area.width;
3008         }
3009         if (self->max_vert) {
3010             self->pre_fullscreen_area.y = self->pre_max_area.y;
3011             self->pre_fullscreen_area.height = self->pre_max_area.height;
3012         }
3013
3014         /* these will help configure_full figure out where to fullscreen
3015            the window */
3016         x = self->area.x;
3017         y = self->area.y;
3018         w = self->area.width;
3019         h = self->area.height;
3020     } else {
3021         g_assert(self->pre_fullscreen_area.width > 0 &&
3022                  self->pre_fullscreen_area.height > 0);
3023
3024         x = self->pre_fullscreen_area.x;
3025         y = self->pre_fullscreen_area.y;
3026         w = self->pre_fullscreen_area.width;
3027         h = self->pre_fullscreen_area.height;
3028         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3029     }
3030
3031     client_setup_decor_and_functions(self, FALSE);
3032     client_move_resize(self, x, y, w, h);
3033
3034     /* and adjust our layer/stacking. do this after resizing the window,
3035        and applying decorations, because windows which fill the screen are
3036        considered "fullscreen" and it affects their layer */
3037     client_calc_layer(self);
3038
3039     if (fs) {
3040         /* try focus us when we go into fullscreen mode */
3041         client_focus(self);
3042     }
3043 }
3044
3045 static void client_iconify_recursive(ObClient *self,
3046                                      gboolean iconic, gboolean curdesk,
3047                                      gboolean hide_animation)
3048 {
3049     GSList *it;
3050     gboolean changed = FALSE;
3051
3052
3053     if (self->iconic != iconic) {
3054         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3055                  self->window);
3056
3057         if (iconic) {
3058             /* don't let non-normal windows iconify along with their parents
3059                or whatever */
3060             if (client_normal(self)) {
3061                 self->iconic = iconic;
3062
3063                 /* update the focus lists.. iconic windows go to the bottom of
3064                    the list */
3065                 focus_order_to_bottom(self);
3066
3067                 changed = TRUE;
3068             }
3069         } else {
3070             self->iconic = iconic;
3071
3072             if (curdesk && self->desktop != screen_desktop &&
3073                 self->desktop != DESKTOP_ALL)
3074                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3075
3076             /* this puts it after the current focused window */
3077             focus_order_remove(self);
3078             focus_order_add_new(self);
3079
3080             changed = TRUE;
3081         }
3082     }
3083
3084     if (changed) {
3085         client_change_state(self);
3086         if (config_animate_iconify && !hide_animation)
3087             frame_begin_iconify_animation(self->frame, iconic);
3088         /* do this after starting the animation so it doesn't flash */
3089         client_showhide(self);
3090     }
3091
3092     /* iconify all direct transients, and deiconify all transients
3093        (non-direct too) */
3094     for (it = self->transients; it; it = g_slist_next(it))
3095         if (it->data != self)
3096             if (client_is_direct_child(self, it->data) || !iconic)
3097                 client_iconify_recursive(it->data, iconic, curdesk,
3098                                          hide_animation);
3099 }
3100
3101 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3102                     gboolean hide_animation)
3103 {
3104     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3105         /* move up the transient chain as far as possible first */
3106         self = client_search_top_direct_parent(self);
3107         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3108     }
3109 }
3110
3111 void client_maximize(ObClient *self, gboolean max, gint dir)
3112 {
3113     gint x, y, w, h;
3114
3115     g_assert(dir == 0 || dir == 1 || dir == 2);
3116     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3117
3118     /* check if already done */
3119     if (max) {
3120         if (dir == 0 && self->max_horz && self->max_vert) return;
3121         if (dir == 1 && self->max_horz) return;
3122         if (dir == 2 && self->max_vert) return;
3123     } else {
3124         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3125         if (dir == 1 && !self->max_horz) return;
3126         if (dir == 2 && !self->max_vert) return;
3127     }
3128
3129     /* these will help configure_full figure out which screen to fill with
3130        the window */
3131     x = self->area.x;
3132     y = self->area.y;
3133     w = self->area.width;
3134     h = self->area.height;
3135
3136     if (max) {
3137         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3138             RECT_SET(self->pre_max_area,
3139                      self->area.x, self->pre_max_area.y,
3140                      self->area.width, self->pre_max_area.height);
3141         }
3142         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3143             RECT_SET(self->pre_max_area,
3144                      self->pre_max_area.x, self->area.y,
3145                      self->pre_max_area.width, self->area.height);
3146         }
3147     } else {
3148         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3149             g_assert(self->pre_max_area.width > 0);
3150
3151             x = self->pre_max_area.x;
3152             w = self->pre_max_area.width;
3153
3154             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3155                      0, self->pre_max_area.height);
3156         }
3157         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3158             g_assert(self->pre_max_area.height > 0);
3159
3160             y = self->pre_max_area.y;
3161             h = self->pre_max_area.height;
3162
3163             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3164                      self->pre_max_area.width, 0);
3165         }
3166     }
3167
3168     if (dir == 0 || dir == 1) /* horz */
3169         self->max_horz = max;
3170     if (dir == 0 || dir == 2) /* vert */
3171         self->max_vert = max;
3172
3173     client_change_state(self); /* change the state hints on the client */
3174
3175     client_setup_decor_and_functions(self, FALSE);
3176     client_move_resize(self, x, y, w, h);
3177 }
3178
3179 void client_shade(ObClient *self, gboolean shade)
3180 {
3181     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3182          shade) ||                         /* can't shade */
3183         self->shaded == shade) return;     /* already done */
3184
3185     self->shaded = shade;
3186     client_change_state(self);
3187     client_change_wm_state(self); /* the window is being hidden/shown */
3188     /* resize the frame to just the titlebar */
3189     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3190 }
3191
3192 void client_close(ObClient *self)
3193 {
3194     XEvent ce;
3195
3196     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3197
3198     /* in the case that the client provides no means to requesting that it
3199        close, we just kill it */
3200     if (!self->delete_window)
3201         client_kill(self);
3202
3203     /*
3204       XXX: itd be cool to do timeouts and shit here for killing the client's
3205       process off
3206       like... if the window is around after 5 seconds, then the close button
3207       turns a nice red, and if this function is called again, the client is
3208       explicitly killed.
3209     */
3210
3211     ce.xclient.type = ClientMessage;
3212     ce.xclient.message_type =  prop_atoms.wm_protocols;
3213     ce.xclient.display = ob_display;
3214     ce.xclient.window = self->window;
3215     ce.xclient.format = 32;
3216     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3217     ce.xclient.data.l[1] = event_curtime;
3218     ce.xclient.data.l[2] = 0l;
3219     ce.xclient.data.l[3] = 0l;
3220     ce.xclient.data.l[4] = 0l;
3221     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3222 }
3223
3224 void client_kill(ObClient *self)
3225 {
3226     XKillClient(ob_display, self->window);
3227 }
3228
3229 void client_hilite(ObClient *self, gboolean hilite)
3230 {
3231     if (self->demands_attention == hilite)
3232         return; /* no change */
3233
3234     /* don't allow focused windows to hilite */
3235     self->demands_attention = hilite && !client_focused(self);
3236     if (self->frame != NULL) { /* if we're mapping, just set the state */
3237         if (self->demands_attention)
3238             frame_flash_start(self->frame);
3239         else
3240             frame_flash_stop(self->frame);
3241         client_change_state(self);
3242     }
3243 }
3244
3245 void client_set_desktop_recursive(ObClient *self,
3246                                   guint target,
3247                                   gboolean donthide,
3248                                   gboolean dontraise)
3249 {
3250     guint old;
3251     GSList *it;
3252
3253     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3254
3255         ob_debug("Setting desktop %u\n", target+1);
3256
3257         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3258
3259         old = self->desktop;
3260         self->desktop = target;
3261         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3262         /* the frame can display the current desktop state */
3263         frame_adjust_state(self->frame);
3264         /* 'move' the window to the new desktop */
3265         if (!donthide)
3266             client_hide(self);
3267         client_show(self);
3268         /* raise if it was not already on the desktop */
3269         if (old != DESKTOP_ALL && !dontraise)
3270             stacking_raise(CLIENT_AS_WINDOW(self));
3271         if (STRUT_EXISTS(self->strut))
3272             screen_update_areas();
3273         else
3274             /* the new desktop's geometry may be different, so we may need to
3275                resize, for example if we are maximized */
3276             client_reconfigure(self, FALSE);
3277     }
3278
3279     /* move all transients */
3280     for (it = self->transients; it; it = g_slist_next(it))
3281         if (it->data != self)
3282             if (client_is_direct_child(self, it->data))
3283                 client_set_desktop_recursive(it->data, target,
3284                                              donthide, dontraise);
3285 }
3286
3287 void client_set_desktop(ObClient *self, guint target,
3288                         gboolean donthide, gboolean dontraise)
3289 {
3290     self = client_search_top_direct_parent(self);
3291     client_set_desktop_recursive(self, target, donthide, dontraise);
3292 }
3293
3294 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3295 {
3296     while (child != parent && (child = client_direct_parent(child)));
3297     return child == parent;
3298 }
3299
3300 ObClient *client_search_modal_child(ObClient *self)
3301 {
3302     GSList *it;
3303     ObClient *ret;
3304
3305     for (it = self->transients; it; it = g_slist_next(it)) {
3306         ObClient *c = it->data;
3307         if ((ret = client_search_modal_child(c))) return ret;
3308         if (c->modal) return c;
3309     }
3310     return NULL;
3311 }
3312
3313 gboolean client_validate(ObClient *self)
3314 {
3315     XEvent e;
3316
3317     XSync(ob_display, FALSE); /* get all events on the server */
3318
3319     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3320         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3321         XPutBackEvent(ob_display, &e);
3322         return FALSE;
3323     }
3324
3325     return TRUE;
3326 }
3327
3328 void client_set_wm_state(ObClient *self, glong state)
3329 {
3330     if (state == self->wmstate) return; /* no change */
3331
3332     switch (state) {
3333     case IconicState:
3334         client_iconify(self, TRUE, TRUE, FALSE);
3335         break;
3336     case NormalState:
3337         client_iconify(self, FALSE, TRUE, FALSE);
3338         break;
3339     }
3340 }
3341
3342 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3343 {
3344     gboolean shaded = self->shaded;
3345     gboolean fullscreen = self->fullscreen;
3346     gboolean undecorated = self->undecorated;
3347     gboolean max_horz = self->max_horz;
3348     gboolean max_vert = self->max_vert;
3349     gboolean modal = self->modal;
3350     gboolean iconic = self->iconic;
3351     gboolean demands_attention = self->demands_attention;
3352     gboolean above = self->above;
3353     gboolean below = self->below;
3354     gint i;
3355
3356     if (!(action == prop_atoms.net_wm_state_add ||
3357           action == prop_atoms.net_wm_state_remove ||
3358           action == prop_atoms.net_wm_state_toggle))
3359         /* an invalid action was passed to the client message, ignore it */
3360         return;
3361
3362     for (i = 0; i < 2; ++i) {
3363         Atom state = i == 0 ? data1 : data2;
3364
3365         if (!state) continue;
3366
3367         /* if toggling, then pick whether we're adding or removing */
3368         if (action == prop_atoms.net_wm_state_toggle) {
3369             if (state == prop_atoms.net_wm_state_modal)
3370                 action = modal ? prop_atoms.net_wm_state_remove :
3371                     prop_atoms.net_wm_state_add;
3372             else if (state == prop_atoms.net_wm_state_maximized_vert)
3373                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3374                     prop_atoms.net_wm_state_add;
3375             else if (state == prop_atoms.net_wm_state_maximized_horz)
3376                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3377                     prop_atoms.net_wm_state_add;
3378             else if (state == prop_atoms.net_wm_state_shaded)
3379                 action = shaded ? prop_atoms.net_wm_state_remove :
3380                     prop_atoms.net_wm_state_add;
3381             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3382                 action = self->skip_taskbar ?
3383                     prop_atoms.net_wm_state_remove :
3384                     prop_atoms.net_wm_state_add;
3385             else if (state == prop_atoms.net_wm_state_skip_pager)
3386                 action = self->skip_pager ?
3387                     prop_atoms.net_wm_state_remove :
3388                     prop_atoms.net_wm_state_add;
3389             else if (state == prop_atoms.net_wm_state_hidden)
3390                 action = self->iconic ?
3391                     prop_atoms.net_wm_state_remove :
3392                     prop_atoms.net_wm_state_add;
3393             else if (state == prop_atoms.net_wm_state_fullscreen)
3394                 action = fullscreen ?
3395                     prop_atoms.net_wm_state_remove :
3396                     prop_atoms.net_wm_state_add;
3397             else if (state == prop_atoms.net_wm_state_above)
3398                 action = self->above ? prop_atoms.net_wm_state_remove :
3399                     prop_atoms.net_wm_state_add;
3400             else if (state == prop_atoms.net_wm_state_below)
3401                 action = self->below ? prop_atoms.net_wm_state_remove :
3402                     prop_atoms.net_wm_state_add;
3403             else if (state == prop_atoms.net_wm_state_demands_attention)
3404                 action = self->demands_attention ?
3405                     prop_atoms.net_wm_state_remove :
3406                     prop_atoms.net_wm_state_add;
3407             else if (state == prop_atoms.ob_wm_state_undecorated)
3408                 action = undecorated ? prop_atoms.net_wm_state_remove :
3409                     prop_atoms.net_wm_state_add;
3410         }
3411
3412         if (action == prop_atoms.net_wm_state_add) {
3413             if (state == prop_atoms.net_wm_state_modal) {
3414                 modal = TRUE;
3415             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3416                 max_vert = TRUE;
3417             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3418                 max_horz = TRUE;
3419             } else if (state == prop_atoms.net_wm_state_shaded) {
3420                 shaded = TRUE;
3421             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3422                 self->skip_taskbar = TRUE;
3423             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3424                 self->skip_pager = TRUE;
3425             } else if (state == prop_atoms.net_wm_state_hidden) {
3426                 iconic = TRUE;
3427             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3428                 fullscreen = TRUE;
3429             } else if (state == prop_atoms.net_wm_state_above) {
3430                 above = TRUE;
3431                 below = FALSE;
3432             } else if (state == prop_atoms.net_wm_state_below) {
3433                 above = FALSE;
3434                 below = TRUE;
3435             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3436                 demands_attention = TRUE;
3437             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3438                 undecorated = TRUE;
3439             }
3440
3441         } else { /* action == prop_atoms.net_wm_state_remove */
3442             if (state == prop_atoms.net_wm_state_modal) {
3443                 modal = FALSE;
3444             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3445                 max_vert = FALSE;
3446             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3447                 max_horz = FALSE;
3448             } else if (state == prop_atoms.net_wm_state_shaded) {
3449                 shaded = FALSE;
3450             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3451                 self->skip_taskbar = FALSE;
3452             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3453                 self->skip_pager = FALSE;
3454             } else if (state == prop_atoms.net_wm_state_hidden) {
3455                 iconic = FALSE;
3456             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3457                 fullscreen = FALSE;
3458             } else if (state == prop_atoms.net_wm_state_above) {
3459                 above = FALSE;
3460             } else if (state == prop_atoms.net_wm_state_below) {
3461                 below = FALSE;
3462             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3463                 demands_attention = FALSE;
3464             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3465                 undecorated = FALSE;
3466             }
3467         }
3468     }
3469
3470     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3471         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3472             /* toggling both */
3473             if (max_horz == max_vert) { /* both going the same way */
3474                 client_maximize(self, max_horz, 0);
3475             } else {
3476                 client_maximize(self, max_horz, 1);
3477                 client_maximize(self, max_vert, 2);
3478             }
3479         } else {
3480             /* toggling one */
3481             if (max_horz != self->max_horz)
3482                 client_maximize(self, max_horz, 1);
3483             else
3484                 client_maximize(self, max_vert, 2);
3485         }
3486     }
3487     /* change fullscreen state before shading, as it will affect if the window
3488        can shade or not */
3489     if (fullscreen != self->fullscreen)
3490         client_fullscreen(self, fullscreen);
3491     if (shaded != self->shaded)
3492         client_shade(self, shaded);
3493     if (undecorated != self->undecorated)
3494         client_set_undecorated(self, undecorated);
3495     if (above != self->above || below != self->below) {
3496         self->above = above;
3497         self->below = below;
3498         client_calc_layer(self);
3499     }
3500
3501     if (modal != self->modal) {
3502         self->modal = modal;
3503         /* when a window changes modality, then its stacking order with its
3504            transients needs to change */
3505         stacking_raise(CLIENT_AS_WINDOW(self));
3506
3507         /* it also may get focused. if something is focused that shouldn't
3508            be focused anymore, then move the focus */
3509         if (focus_client && client_focus_target(focus_client) != focus_client)
3510             client_focus(focus_client);
3511     }
3512
3513     if (iconic != self->iconic)
3514         client_iconify(self, iconic, FALSE, FALSE);
3515
3516     if (demands_attention != self->demands_attention)
3517         client_hilite(self, demands_attention);
3518
3519     client_change_state(self); /* change the hint to reflect these changes */
3520 }
3521
3522 ObClient *client_focus_target(ObClient *self)
3523 {
3524     ObClient *child = NULL;
3525
3526     child = client_search_modal_child(self);
3527     if (child) return child;
3528     return self;
3529 }
3530
3531 gboolean client_can_focus(ObClient *self)
3532 {
3533     /* choose the correct target */
3534     self = client_focus_target(self);
3535
3536     if (!self->frame->visible)
3537         return FALSE;
3538
3539     if (!(self->can_focus || self->focus_notify))
3540         return FALSE;
3541
3542     return TRUE;
3543 }
3544
3545 gboolean client_focus(ObClient *self)
3546 {
3547     /* we might not focus this window, so if we have modal children which would
3548        be focused instead, bring them to this desktop */
3549     client_bring_modal_windows(self);
3550
3551     /* choose the correct target */
3552     self = client_focus_target(self);
3553
3554     if (!client_can_focus(self)) {
3555         ob_debug_type(OB_DEBUG_FOCUS,
3556                       "Client %s can't be focused\n", self->title);
3557         return FALSE;
3558     }
3559
3560     ob_debug_type(OB_DEBUG_FOCUS,
3561                   "Focusing client \"%s\" (0x%x) at time %u\n",
3562                   self->title, self->window, event_curtime);
3563
3564     /* if there is a grab going on, then we need to cancel it. if we move
3565        focus during the grab, applications will get NotifyWhileGrabbed events
3566        and ignore them !
3567
3568        actions should not rely on being able to move focus during an
3569        interactive grab.
3570     */
3571     event_cancel_all_key_grabs();
3572
3573     xerror_set_ignore(TRUE);
3574     xerror_occured = FALSE;
3575
3576     if (self->can_focus) {
3577         /* This can cause a BadMatch error with CurrentTime, or if an app
3578            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3579         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3580                        event_curtime);
3581     }
3582
3583     if (self->focus_notify) {
3584         XEvent ce;
3585         ce.xclient.type = ClientMessage;
3586         ce.xclient.message_type = prop_atoms.wm_protocols;
3587         ce.xclient.display = ob_display;
3588         ce.xclient.window = self->window;
3589         ce.xclient.format = 32;
3590         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3591         ce.xclient.data.l[1] = event_curtime;
3592         ce.xclient.data.l[2] = 0l;
3593         ce.xclient.data.l[3] = 0l;
3594         ce.xclient.data.l[4] = 0l;
3595         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3596     }
3597
3598     xerror_set_ignore(FALSE);
3599
3600     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3601     return !xerror_occured;
3602 }
3603
3604 /*! Present the client to the user.
3605   @param raise If the client should be raised or not. You should only set
3606                raise to false if you don't care if the window is completely
3607                hidden.
3608 */
3609 static void client_present(ObClient *self, gboolean here, gboolean raise)
3610 {
3611     /* if using focus_delay, stop the timer now so that focus doesn't
3612        go moving on us */
3613     event_halt_focus_delay();
3614
3615     if (client_normal(self) && screen_showing_desktop)
3616         screen_show_desktop(FALSE, self);
3617     if (self->iconic)
3618         client_iconify(self, FALSE, here, FALSE);
3619     if (self->desktop != DESKTOP_ALL &&
3620         self->desktop != screen_desktop)
3621     {
3622         if (here)
3623             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3624         else
3625             screen_set_desktop(self->desktop, FALSE);
3626     } else if (!self->frame->visible)
3627         /* if its not visible for other reasons, then don't mess
3628            with it */
3629         return;
3630     if (self->shaded)
3631         client_shade(self, FALSE);
3632     if (raise)
3633         stacking_raise(CLIENT_AS_WINDOW(self));
3634
3635     client_focus(self);
3636 }
3637
3638 void client_activate(ObClient *self, gboolean here, gboolean user)
3639 {
3640     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3641     gboolean allow = FALSE;
3642
3643     /* if the currently focused app doesn't set a user_time, then it can't
3644        benefit from any focus stealing prevention.
3645
3646        if the timestamp is missing in the request then let it go through
3647        even if it is source=app, because EVERY APPLICATION DOES THIS because
3648        GTK IS VERY BUGGY AND HARDCODES source=application... WHY!?
3649     */
3650     if (!last_time || !event_curtime)
3651         allow = TRUE;
3652     /* otherwise, if they didn't give a time stamp or if it is too old, they
3653        don't get focus */
3654     else
3655         allow = event_time_after(event_curtime, last_time);
3656
3657     ob_debug_type(OB_DEBUG_FOCUS,
3658                   "Want to activate window 0x%x with time %u (last time %u), "
3659                   "source=%s allowing? %d\n",
3660                   self->window, event_curtime, last_time,
3661                   (user ? "user" : "application"), allow);
3662
3663     if (allow)
3664         client_present(self, here, TRUE);
3665     else
3666         /* don't focus it but tell the user it wants attention */
3667         client_hilite(self, TRUE);
3668 }
3669
3670 static void client_bring_windows_recursive(ObClient *self,
3671                                            guint desktop,
3672                                            gboolean helpers,
3673                                            gboolean modals,
3674                                            gboolean iconic)
3675 {
3676     GSList *it;
3677
3678     for (it = self->transients; it; it = g_slist_next(it))
3679         client_bring_windows_recursive(it->data, desktop,
3680                                        helpers, modals, iconic);
3681
3682     if (((helpers && client_helper(self)) ||
3683          (modals && self->modal)) &&
3684         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3685          (iconic && self->iconic)))
3686     {
3687         if (iconic && self->iconic)
3688             client_iconify(self, FALSE, TRUE, FALSE);
3689         else
3690             client_set_desktop(self, desktop, FALSE, FALSE);
3691     }
3692 }
3693
3694 void client_bring_helper_windows(ObClient *self)
3695 {
3696     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3697 }
3698
3699 void client_bring_modal_windows(ObClient *self)
3700 {
3701     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3702 }
3703
3704 gboolean client_focused(ObClient *self)
3705 {
3706     return self == focus_client;
3707 }
3708
3709 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3710 {
3711     guint i;
3712     gulong min_diff, min_i;
3713
3714     if (!self->nicons) {
3715         ObClientIcon *parent = NULL;
3716         GSList *it;
3717
3718         for (it = self->parents; it; it = g_slist_next(it)) {
3719             ObClient *c = it->data;
3720             if ((parent = client_icon_recursive(c, w, h)))
3721                 break;
3722         }
3723
3724         return parent;
3725     }
3726
3727     /* some kind of crappy approximation to find the icon closest in size to
3728        what we requested, but icons are generally all the same ratio as
3729        eachother so it's good enough. */
3730
3731     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3732     min_i = 0;
3733
3734     for (i = 1; i < self->nicons; ++i) {
3735         gulong diff;
3736
3737         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3738         if (diff < min_diff) {
3739             min_diff = diff;
3740             min_i = i;
3741         }
3742     }
3743     return &self->icons[min_i];
3744 }
3745
3746 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3747 {
3748     ObClientIcon *ret;
3749     static ObClientIcon deficon;
3750
3751     if (!(ret = client_icon_recursive(self, w, h))) {
3752         deficon.width = deficon.height = 48;
3753         deficon.data = ob_rr_theme->def_win_icon;
3754         ret = &deficon;
3755     }
3756     return ret;
3757 }
3758
3759 void client_set_layer(ObClient *self, gint layer)
3760 {
3761     if (layer < 0) {
3762         self->below = TRUE;
3763         self->above = FALSE;
3764     } else if (layer == 0) {
3765         self->below = self->above = FALSE;
3766     } else {
3767         self->below = FALSE;
3768         self->above = TRUE;
3769     }
3770     client_calc_layer(self);
3771     client_change_state(self); /* reflect this in the state hints */
3772 }
3773
3774 void client_set_undecorated(ObClient *self, gboolean undecorated)
3775 {
3776     if (self->undecorated != undecorated &&
3777         /* don't let it undecorate if the function is missing, but let
3778            it redecorate */
3779         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3780     {
3781         self->undecorated = undecorated;
3782         client_setup_decor_and_functions(self, TRUE);
3783         client_change_state(self); /* reflect this in the state hints */
3784     }
3785 }
3786
3787 guint client_monitor(ObClient *self)
3788 {
3789     return screen_find_monitor(&self->frame->area);
3790 }
3791
3792 ObClient *client_direct_parent(ObClient *self)
3793 {
3794     if (!self->parents) return NULL;
3795     if (self->transient_for_group) return NULL;
3796     return self->parents->data;
3797 }
3798
3799 ObClient *client_search_top_direct_parent(ObClient *self)
3800 {
3801     ObClient *p;
3802     while ((p = client_direct_parent(self))) self = p;
3803     return self;
3804 }
3805
3806 static GSList *client_search_all_top_parents_internal(ObClient *self,
3807                                                       gboolean bylayer,
3808                                                       ObStackingLayer layer)
3809 {
3810     GSList *ret;
3811     ObClient *p;
3812
3813     /* move up the direct transient chain as far as possible */
3814     while ((p = client_direct_parent(self)) &&
3815            (!bylayer || p->layer == layer))
3816         self = p;
3817
3818     if (!self->parents)
3819         ret = g_slist_prepend(NULL, self);
3820     else
3821         ret = g_slist_copy(self->parents);
3822
3823     return ret;
3824 }
3825
3826 GSList *client_search_all_top_parents(ObClient *self)
3827 {
3828     return client_search_all_top_parents_internal(self, FALSE, 0);
3829 }
3830
3831 GSList *client_search_all_top_parents_layer(ObClient *self)
3832 {
3833     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3834 }
3835
3836 ObClient *client_search_focus_parent(ObClient *self)
3837 {
3838     GSList *it;
3839
3840     for (it = self->parents; it; it = g_slist_next(it))
3841         if (client_focused(it->data)) return it->data;
3842
3843     return NULL;
3844 }
3845
3846 ObClient *client_search_parent(ObClient *self, ObClient *search)
3847 {
3848     GSList *it;
3849
3850     for (it = self->parents; it; it = g_slist_next(it))
3851         if (it->data == search) return search;
3852
3853     return NULL;
3854 }
3855
3856 ObClient *client_search_transient(ObClient *self, ObClient *search)
3857 {
3858     GSList *sit;
3859
3860     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3861         if (sit->data == search)
3862             return search;
3863         if (client_search_transient(sit->data, search))
3864             return search;
3865     }
3866     return NULL;
3867 }
3868
3869 #define WANT_EDGE(cur, c) \
3870             if (cur == c)                                                     \
3871                 continue;                                                     \
3872             if (c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&  \
3873                 cur->desktop != screen_desktop)                               \
3874                 continue;                                                     \
3875             if (cur->iconic)                                                  \
3876                 continue;
3877
3878 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3879             if ((his_edge_start >= my_edge_start && \
3880                  his_edge_start <= my_edge_end) ||  \
3881                 (my_edge_start >= his_edge_start && \
3882                  my_edge_start <= his_edge_end))    \
3883                 dest = his_offset;
3884
3885 /* finds the nearest edge in the given direction from the current client
3886  * note to self: the edge is the -frame- edge (the actual one), not the
3887  * client edge.
3888  */
3889 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3890 {
3891     gint dest, monitor_dest;
3892     gint my_edge_start, my_edge_end, my_offset;
3893     GList *it;
3894     Rect *a, *mon;
3895
3896     if(!client_list)
3897         return -1;
3898
3899     a = screen_area(c->desktop, SCREEN_AREA_ALL_MONITORS, &c->frame->area);
3900     mon = screen_area(c->desktop, SCREEN_AREA_ONE_MONITOR, &c->frame->area);
3901
3902     switch(dir) {
3903     case OB_DIRECTION_NORTH:
3904         my_edge_start = c->frame->area.x;
3905         my_edge_end = c->frame->area.x + c->frame->area.width;
3906         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3907
3908         /* default: top of screen */
3909         dest = a->y + (hang ? c->frame->area.height : 0);
3910         monitor_dest = mon->y + (hang ? c->frame->area.height : 0);
3911         /* if the monitor edge comes before the screen edge, */
3912         /* use that as the destination instead. (For xinerama) */
3913         if (monitor_dest != dest && my_offset > monitor_dest)
3914             dest = monitor_dest;
3915
3916         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3917             gint his_edge_start, his_edge_end, his_offset;
3918             ObClient *cur = it->data;
3919
3920             WANT_EDGE(cur, c)
3921
3922             his_edge_start = cur->frame->area.x;
3923             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3924             his_offset = cur->frame->area.y +
3925                          (hang ? 0 : cur->frame->area.height);
3926
3927             if(his_offset + 1 > my_offset)
3928                 continue;
3929
3930             if(his_offset < dest)
3931                 continue;
3932
3933             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3934         }
3935         break;
3936     case OB_DIRECTION_SOUTH:
3937         my_edge_start = c->frame->area.x;
3938         my_edge_end = c->frame->area.x + c->frame->area.width;
3939         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3940
3941         /* default: bottom of screen */
3942         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3943         monitor_dest = mon->y + mon->height -
3944                        (hang ? c->frame->area.height : 0);
3945         /* if the monitor edge comes before the screen edge, */
3946         /* use that as the destination instead. (For xinerama) */
3947         if (monitor_dest != dest && my_offset < monitor_dest)
3948             dest = monitor_dest;
3949
3950         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3951             gint his_edge_start, his_edge_end, his_offset;
3952             ObClient *cur = it->data;
3953
3954             WANT_EDGE(cur, c)
3955
3956             his_edge_start = cur->frame->area.x;
3957             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3958             his_offset = cur->frame->area.y +
3959                          (hang ? cur->frame->area.height : 0);
3960
3961
3962             if(his_offset - 1 < my_offset)
3963                 continue;
3964
3965             if(his_offset > dest)
3966                 continue;
3967
3968             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3969         }
3970         break;
3971     case OB_DIRECTION_WEST:
3972         my_edge_start = c->frame->area.y;
3973         my_edge_end = c->frame->area.y + c->frame->area.height;
3974         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3975
3976         /* default: leftmost egde of screen */
3977         dest = a->x + (hang ? c->frame->area.width : 0);
3978         monitor_dest = mon->x + (hang ? c->frame->area.width : 0);
3979         /* if the monitor edge comes before the screen edge, */
3980         /* use that as the destination instead. (For xinerama) */
3981         if (monitor_dest != dest && my_offset > monitor_dest)
3982             dest = monitor_dest;
3983
3984         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3985             gint his_edge_start, his_edge_end, his_offset;
3986             ObClient *cur = it->data;
3987
3988             WANT_EDGE(cur, c)
3989
3990             his_edge_start = cur->frame->area.y;
3991             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3992             his_offset = cur->frame->area.x +
3993                          (hang ? 0 : cur->frame->area.width);
3994
3995             if(his_offset + 1 > my_offset)
3996                 continue;
3997
3998             if(his_offset < dest)
3999                 continue;
4000
4001             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
4002         }
4003        break;
4004     case OB_DIRECTION_EAST:
4005         my_edge_start = c->frame->area.y;
4006         my_edge_end = c->frame->area.y + c->frame->area.height;
4007         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
4008
4009         /* default: rightmost edge of screen */
4010         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
4011         monitor_dest = mon->x + mon->width -
4012                        (hang ? c->frame->area.width : 0);
4013         /* if the monitor edge comes before the screen edge, */
4014         /* use that as the destination instead. (For xinerama) */
4015         if (monitor_dest != dest && my_offset < monitor_dest)
4016             dest = monitor_dest;
4017
4018         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
4019             gint his_edge_start, his_edge_end, his_offset;
4020             ObClient *cur = it->data;
4021
4022             WANT_EDGE(cur, c)
4023
4024             his_edge_start = cur->frame->area.y;
4025             his_edge_end = cur->frame->area.y + cur->frame->area.height;
4026             his_offset = cur->frame->area.x +
4027                          (hang ? cur->frame->area.width : 0);
4028
4029             if(his_offset - 1 < my_offset)
4030                 continue;
4031
4032             if(his_offset > dest)
4033                 continue;
4034
4035             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
4036         }
4037         break;
4038     case OB_DIRECTION_NORTHEAST:
4039     case OB_DIRECTION_SOUTHEAST:
4040     case OB_DIRECTION_NORTHWEST:
4041     case OB_DIRECTION_SOUTHWEST:
4042         /* not implemented */
4043     default:
4044         g_assert_not_reached();
4045         dest = 0; /* suppress warning */
4046     }
4047
4048     g_free(a);
4049     g_free(mon);
4050     return dest;
4051 }
4052
4053 ObClient* client_under_pointer()
4054 {
4055     gint x, y;
4056     GList *it;
4057     ObClient *ret = NULL;
4058
4059     if (screen_pointer_pos(&x, &y)) {
4060         for (it = stacking_list; it; it = g_list_next(it)) {
4061             if (WINDOW_IS_CLIENT(it->data)) {
4062                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4063                 if (c->frame->visible &&
4064                     /* check the desktop, this is done during desktop
4065                        switching and windows are shown/hidden status is not
4066                        reliable */
4067                     (c->desktop == screen_desktop ||
4068                      c->desktop == DESKTOP_ALL) &&
4069                     /* ignore all animating windows */
4070                     !frame_iconify_animating(c->frame) &&
4071                     RECT_CONTAINS(c->frame->area, x, y))
4072                 {
4073                     ret = c;
4074                     break;
4075                 }
4076             }
4077         }
4078     }
4079     return ret;
4080 }
4081
4082 gboolean client_has_group_siblings(ObClient *self)
4083 {
4084     return self->group && self->group->members->next;
4085 }
4086
4087 ObClientIcon *client_thumbnail(ObClient *self, gint wantw, gint wanth)
4088 {
4089     ObClientIcon *ret;
4090     RrPixel32 *data;
4091     gint w, h;
4092
4093     if (!self->frame->pixmap) return NULL;
4094     if (!RrPixmapToRGBA(ob_rr_inst, self->frame->pixmap, None, &w, &h, &data))
4095         return NULL;
4096
4097     /* resize the thumbnail (within aspect ratio) to the given sizes */
4098
4099     ret = g_new(ObClientIcon, 1);
4100     ret->data = data;
4101     ret->width = w;
4102     ret->height = h;
4103     return ret;
4104 }
4105
4106 void clienticon_free(ObClientIcon *ci)
4107 {
4108     if (ci) {
4109         g_free(ci->data);
4110         g_free(ci);
4111     }
4112 }