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 static GSList *client_hide_notifies    = NULL;
  69
  70 static void client_get_all(ObClient *self, gboolean real);
  71 static void client_toggle_border(ObClient *self, gboolean show);
  72 static void client_get_startup_id(ObClient *self);
  73 static void client_get_session_ids(ObClient *self);
  74 static void client_get_area(ObClient *self);
  75 static void client_get_desktop(ObClient *self);
  76 static void client_get_state(ObClient *self);
  77 static void client_get_shaped(ObClient *self);
  78 static void client_get_mwm_hints(ObClient *self);
  79 static void client_get_colormap(ObClient *self);
  80 static void client_change_allowed_actions(ObClient *self);
  81 static void client_change_state(ObClient *self);
  82 static void client_change_wm_state(ObClient *self);
  83 static void client_apply_startup_state(ObClient *self);
  84 static void client_restore_session_state(ObClient *self);
  85 static gboolean client_restore_session_stacking(ObClient *self);
  86 static ObAppSettings *client_get_settings_state(ObClient *self);
  87 static void client_update_transient_tree(ObClient *self,
  88                                          ObGroup *oldgroup, ObGroup *newgroup,
  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 void client_startup(gboolean reconfig)
  98 {
  99     if (reconfig) return;
 100
 101     client_set_list();
 102 }
 103
 104 void client_shutdown(gboolean reconfig)
 105 {
 106     if (reconfig) return;
 107 }
 108
 109 static void client_call_notifies(ObClient *self, GSList *list)
 110 {
 111     GSList *it;
 112
 113     for (it = list; it; it = g_slist_next(it)) {
 114         ClientCallback *d = it->data;
 115         d->func(self, d->data);
 116     }
 117 }
 118
 119 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 120 {
 121     ClientCallback *d = g_new(ClientCallback, 1);
 122     d->func = func;
 123     d->data = data;
 124     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 125 }
 126
 127 void client_remove_destroy_notify(ObClientCallback func)
 128 {
 129     GSList *it;
 130
 131     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 132         ClientCallback *d = it->data;
 133         if (d->func == func) {
 134             g_free(d);
 135             client_destroy_notifies =
 136                 g_slist_delete_link(client_destroy_notifies, it);
 137             break;
 138         }
 139     }
 140 }
 141
 142 void client_add_hide_notify(ObClientCallback func, gpointer data)
 143 {
 144     ClientCallback *d = g_new(ClientCallback, 1);
 145     d->func = func;
 146     d->data = data;
 147     client_hide_notifies = g_slist_prepend(client_hide_notifies, d);
 148 }
 149
 150 void client_remove_hide_notify(ObClientCallback func)
 151 {
 152     GSList *it;
 153
 154     for (it = client_hide_notifies; it; it = g_slist_next(it)) {
 155         ClientCallback *d = it->data;
 156         if (d->func == func) {
 157             g_free(d);
 158             client_hide_notifies =
 159                 g_slist_delete_link(client_hide_notifies, it);
 160             break;
 161         }
 162     }
 163 }
 164
 165 void client_set_list()
 166 {
 167     Window *windows, *win_it;
 168     GList *it;
 169     guint size = g_list_length(client_list);
 170
 171     /* create an array of the window ids */
 172     if (size > 0) {
 173         windows = g_new(Window, size);
 174         win_it = windows;
 175         for (it = client_list; it; it = g_list_next(it), ++win_it)
 176             *win_it = ((ObClient*)it->data)->window;
 177     } else
 178         windows = NULL;
 179
 180     PROP_SETA32(RootWindow(ob_display, ob_screen),
 181                 net_client_list, window, (gulong*)windows, size);
 182
 183     if (windows)
 184         g_free(windows);
 185
 186     stacking_set_list();
 187 }
 188
 189 /*
 190   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 191   {
 192   GSList *it;
 193
 194   for (it = self->transients; it; it = g_slist_next(it)) {
 195   if (!func(it->data, data)) return;
 196   client_foreach_transient(it->data, func, data);
 197   }
 198   }
 199
 200   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 201   {
 202   if (self->transient_for) {
 203   if (self->transient_for != OB_TRAN_GROUP) {
 204   if (!func(self->transient_for, data)) return;
 205   client_foreach_ancestor(self->transient_for, func, data);
 206   } else {
 207   GSList *it;
 208
 209   for (it = self->group->members; it; it = g_slist_next(it))
 210   if (it->data != self &&
 211   !((ObClient*)it->data)->transient_for) {
 212   if (!func(it->data, data)) return;
 213   client_foreach_ancestor(it->data, func, data);
 214   }
 215   }
 216   }
 217   }
 218 */
 219
 220 void client_manage_all()
 221 {
 222     guint i, j, nchild;
 223     Window w, *children;
 224     XWMHints *wmhints;
 225     XWindowAttributes attrib;
 226
 227     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 228                &w, &w, &children, &nchild);
 229
 230     /* remove all icon windows from the list */
 231     for (i = 0; i < nchild; i++) {
 232         if (children[i] == None) continue;
 233         wmhints = XGetWMHints(ob_display, children[i]);
 234         if (wmhints) {
 235             if ((wmhints->flags & IconWindowHint) &&
 236                 (wmhints->icon_window != children[i]))
 237                 for (j = 0; j < nchild; j++)
 238                     if (children[j] == wmhints->icon_window) {
 239                         children[j] = None;
 240                         break;
 241                     }
 242             XFree(wmhints);
 243         }
 244     }
 245
 246     for (i = 0; i < nchild; ++i) {
 247         if (children[i] == None)
 248             continue;
 249         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 250             if (attrib.override_redirect) continue;
 251
 252             if (attrib.map_state != IsUnmapped)
 253                 client_manage(children[i]);
 254         }
 255     }
 256     XFree(children);
 257 }
 258
 259 void client_manage(Window window)
 260 {
 261     ObClient *self;
 262     XEvent e;
 263     XWindowAttributes attrib;
 264     XSetWindowAttributes attrib_set;
 265     XWMHints *wmhint;
 266     gboolean activate = FALSE;
 267     ObAppSettings *settings;
 268
 269     grab_server(TRUE);
 270
 271     /* check if it has already been unmapped by the time we started
 272        mapping. the grab does a sync so we don't have to here */
 273     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 274         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 275     {
 276         XPutBackEvent(ob_display, &e);
 277
 278         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 279         grab_server(FALSE);
 280         return; /* don't manage it */
 281     }
 282
 283     /* make sure it isn't an override-redirect window */
 284     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 285         attrib.override_redirect)
 286     {
 287         grab_server(FALSE);
 288         return; /* don't manage it */
 289     }
 290
 291     /* is the window a docking app */
 292     if ((wmhint = XGetWMHints(ob_display, window))) {
 293         if ((wmhint->flags & StateHint) &&
 294             wmhint->initial_state == WithdrawnState)
 295         {
 296             dock_add(window, wmhint);
 297             grab_server(FALSE);
 298             XFree(wmhint);
 299             return;
 300         }
 301         XFree(wmhint);
 302     }
 303
 304     ob_debug("Managing window: %lx\n", window);
 305
 306     /* choose the events we want to receive on the CLIENT window */
 307     attrib_set.event_mask = CLIENT_EVENTMASK;
 308     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 309     XChangeWindowAttributes(ob_display, window,
 310                             CWEventMask|CWDontPropagate, &attrib_set);
 311
 312     /* create the ObClient struct, and populate it from the hints on the
 313        window */
 314     self = g_new0(ObClient, 1);
 315     self->obwin.type = Window_Client;
 316     self->window = window;
 317
 318     /* non-zero defaults */
 319     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 320     self->gravity = NorthWestGravity;
 321     self->desktop = screen_num_desktops; /* always an invalid value */
 322     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 323
 324     /* get all the stuff off the window */
 325     client_get_all(self, TRUE);
 326
 327     /* specify that if we exit, the window should not be destroyed and
 328        should be reparented back to root automatically */
 329     XChangeSaveSet(ob_display, window, SetModeInsert);
 330
 331     /* create the decoration frame for the client window */
 332     self->frame = frame_new(self);
 333
 334     frame_grab_client(self->frame);
 335
 336     /* we've grabbed everything and set everything that we need to at mapping
 337        time now */
 338     grab_server(FALSE);
 339
 340     /* per-app settings override stuff from client_get_all, and return the
 341        settings for other uses too */
 342     settings = client_get_settings_state(self);
 343     /* the session should get the last say thought */
 344     client_restore_session_state(self);
 345
 346     /* now we have all of the window's information so we can set this up */
 347     client_setup_decor_and_functions(self);
 348
 349     /* remove the client's border (and adjust re gravity) */
 350     client_toggle_border(self, FALSE);
 351
 352     {
 353         Time t = sn_app_started(self->startup_id, self->class);
 354         if (t) self->user_time = t;
 355     }
 356
 357     /* do this after we have a frame.. it uses the frame to help determine the
 358        WM_STATE to apply. */
 359     client_change_state(self);
 360
 361     /* add ourselves to the focus order */
 362     focus_order_add_new(self);
 363
 364     /* do this to add ourselves to the stacking list in a non-intrusive way */
 365     client_calc_layer(self);
 366
 367     /* focus the new window? */
 368     if (ob_state() != OB_STATE_STARTING &&
 369         (!self->session || self->session->focused) &&
 370         !self->iconic &&
 371         /* this means focus=true for window is same as config_focus_new=true */
 372         ((config_focus_new || (settings && settings->focus == 1)) ||
 373          client_search_focus_parent(self)) &&
 374         /* this checks for focus=false for the window */
 375         (!settings || settings->focus != 0) &&
 376         /* note the check against Type_Normal/Dialog, not client_normal(self),
 377            which would also include other types. in this case we want more
 378            strict rules for focus */
 379         (self->type == OB_CLIENT_TYPE_NORMAL ||
 380          self->type == OB_CLIENT_TYPE_DIALOG))
 381     {
 382         activate = TRUE;
 383     }
 384
 385     /* figure out placement for the window */
 386     if (ob_state() == OB_STATE_RUNNING) {
 387         gboolean transient;
 388
 389         ob_debug("Positioned: %s @ %d %d\n",
 390                  (!self->positioned ? "no" :
 391                   (self->positioned == PPosition ? "program specified" :
 392                    (self->positioned == USPosition ? "user specified" :
 393                     "BADNESS !?"))), self->area.x, self->area.y);
 394
 395         transient = place_client(self, &self->area.x, &self->area.y, settings);
 396
 397         /* make sure the window is visible. */
 398         client_find_onscreen(self, &self->area.x, &self->area.y,
 399                              self->area.width, self->area.height,
 400                              /* non-normal clients has less rules, and
 401                                 windows that are being restored from a
 402                                 session do also. we can assume you want
 403                                 it back where you saved it. Clients saying
 404                                 they placed themselves are subjected to
 405                                 harder rules, ones that are placed by
 406                                 place.c or by the user are allowed partially
 407                                 off-screen and on xinerama divides (ie,
 408                                 it is up to the placement routines to avoid
 409                                 the xinerama divides) */
 410                              transient ||
 411                              (((self->positioned & PPosition) &&
 412                                !(self->positioned & USPosition)) &&
 413                               client_normal(self) &&
 414                               !self->session));
 415     }
 416
 417     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 418              self->window, self->area.x, self->area.y,
 419              self->area.width, self->area.height);
 420     if (self->session)
 421         ob_debug("  but session requested %d %d instead, overriding\n",
 422                  self->session->x, self->session->y);
 423
 424     /* adjust the frame to the client's size before showing the window */
 425     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 426     frame_adjust_client_area(self->frame);
 427
 428
 429     /* move the client to its placed position, or it it's already there,
 430        generate a ConfigureNotify telling the client where it is.
 431
 432        do this after adjusting the frame. otherwise it gets all weird and
 433        clients don't work right */
 434     client_configure_full(self, self->area.x, self->area.y,
 435                           self->area.width, self->area.height,
 436                           FALSE, TRUE);
 437
 438     /* do this after the window is placed, so the premax/prefullscreen numbers
 439        won't be all wacko!!
 440        also, this moves the window to the position where it has been placed
 441     */
 442     client_apply_startup_state(self);
 443
 444     if (activate) {
 445         guint32 last_time = focus_client ?
 446             focus_client->user_time : CurrentTime;
 447
 448         /* This is focus stealing prevention */
 449         ob_debug_type(OB_DEBUG_FOCUS,
 450                       "Want to focus new window 0x%x with time %u "
 451                       "(last time %u)\n",
 452                       self->window, self->user_time, last_time);
 453
 454         /* if it's on another desktop */
 455         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 456             && /* the timestamp is from before you changed desktops */
 457             self->user_time && screen_desktop_user_time &&
 458             !event_time_after(self->user_time, screen_desktop_user_time))
 459         {
 460             activate = FALSE;
 461             ob_debug_type(OB_DEBUG_FOCUS,
 462                           "Not focusing the window because its on another "
 463                           "desktop\n");
 464         }
 465         /* If something is focused, and it's not our parent... */
 466         else if (focus_client && client_search_focus_parent(self) == NULL)
 467         {
 468             /* If time stamp is old, don't steal focus */
 469             if (self->user_time && last_time &&
 470                 !event_time_after(self->user_time, last_time))
 471             {
 472                 activate = FALSE;
 473                 ob_debug_type(OB_DEBUG_FOCUS,
 474                               "Not focusing the window because the time is "
 475                               "too old\n");
 476             }
 477             /* Don't steal focus from globally active clients.
 478                I stole this idea from KWin. It seems nice.
 479              */
 480             if (!(focus_client->can_focus || focus_client->focus_notify)) {
 481                 activate = FALSE;
 482                 ob_debug_type(OB_DEBUG_FOCUS,
 483                               "Not focusing the window because a globally "
 484                               "active client has focus\n");
 485             }
 486         }
 487
 488         if (!activate) {
 489             ob_debug_type(OB_DEBUG_FOCUS,
 490                           "Focus stealing prevention activated for %s with "
 491                           "time %u (last time %u)\n",
 492                           self->title, self->user_time, last_time);
 493             /* if the client isn't focused, then hilite it so the user
 494                knows it is there */
 495             client_hilite(self, TRUE);
 496         }
 497     }
 498     else {
 499         /* This may look rather odd. Well it's because new windows are added
 500            to the stacking order non-intrusively. If we're not going to focus
 501            the new window or hilite it, then we raise it to the top. This will
 502            take affect for things that don't get focused like splash screens.
 503            Also if you don't have focus_new enabled, then it's going to get
 504            raised to the top. Legacy begets legacy I guess?
 505         */
 506         if (!client_restore_session_stacking(self))
 507             stacking_raise(CLIENT_AS_WINDOW(self));
 508     }
 509
 510     mouse_grab_for_client(self, TRUE);
 511
 512     /* this has to happen before we try focus the window, but we want it to
 513        happen after the client's stacking has been determined or it looks bad
 514     */
 515     client_show(self);
 516
 517     if (activate) {
 518         gboolean stacked = client_restore_session_stacking(self);
 519         client_present(self, FALSE, !stacked);
 520     }
 521
 522     /* add to client list/map */
 523     client_list = g_list_append(client_list, self);
 524     g_hash_table_insert(window_map, &self->window, self);
 525
 526     /* this has to happen after we're in the client_list */
 527     if (STRUT_EXISTS(self->strut))
 528         screen_update_areas();
 529
 530     /* update the list hints */
 531     client_set_list();
 532
 533     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 534              window, self->frame->plate, self->class);
 535
 536     return;
 537 }
 538
 539
 540 ObClient *client_fake_manage(Window window)
 541 {
 542     ObClient *self;
 543     ObAppSettings *settings;
 544
 545     ob_debug("Pretend-managing window: %lx\n", window);
 546
 547     /* do this minimal stuff to figure out the client's decorations */
 548
 549     self = g_new0(ObClient, 1);
 550     self->window = window;
 551
 552     client_get_all(self, FALSE);
 553     /* per-app settings override stuff, and return the settings for other
 554        uses too */
 555     settings = client_get_settings_state(self);
 556
 557     client_setup_decor_and_functions(self);
 558
 559     /* create the decoration frame for the client window and adjust its size */
 560     self->frame = frame_new(self);
 561     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 562     return self;
 563 }
 564
 565 void client_unmanage_all()
 566 {
 567     while (client_list != NULL)
 568         client_unmanage(client_list->data);
 569 }
 570
 571 void client_unmanage(ObClient *self)
 572 {
 573     guint j;
 574     GSList *it;
 575
 576     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 577              self->window, self->frame->plate,
 578              self->class, self->title ? self->title : "");
 579
 580     g_assert(self != NULL);
 581
 582     /* we dont want events no more. do this before hiding the frame so we
 583        don't generate more events */
 584     XSelectInput(ob_display, self->window, NoEventMask);
 585
 586     frame_hide(self->frame);
 587     /* flush to send the hide to the server quickly */
 588     XFlush(ob_display);
 589
 590     /* ignore enter events from the unmap so it doesnt mess with the
 591        focus */
 592     event_ignore_queued_enters();
 593
 594     mouse_grab_for_client(self, FALSE);
 595
 596     /* remove the window from our save set */
 597     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 598
 599     /* kill the property windows */
 600     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 601
 602     /* update the focus lists */
 603     focus_order_remove(self);
 604     if (client_focused(self)) {
 605         /* don't leave an invalid focus_client */
 606         focus_client = NULL;
 607     }
 608
 609     client_list = g_list_remove(client_list, self);
 610     stacking_remove(self);
 611     g_hash_table_remove(window_map, &self->window);
 612
 613     /* once the client is out of the list, update the struts to remove its
 614        influence */
 615     if (STRUT_EXISTS(self->strut))
 616         screen_update_areas();
 617
 618     client_call_notifies(self, client_destroy_notifies);
 619
 620     /* tell our parent(s) that we're gone */
 621     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 622         for (it = self->group->members; it; it = g_slist_next(it))
 623             if (it->data != self)
 624                 ((ObClient*)it->data)->transients =
 625                     g_slist_remove(((ObClient*)it->data)->transients,self);
 626     } else if (self->transient_for) {        /* transient of window */
 627         self->transient_for->transients =
 628             g_slist_remove(self->transient_for->transients, self);
 629     }
 630
 631     /* tell our transients that we're gone */
 632     for (it = self->transients; it; it = g_slist_next(it)) {
 633         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 634             ((ObClient*)it->data)->transient_for = NULL;
 635             client_calc_layer(it->data);
 636         }
 637     }
 638
 639     /* remove from its group */
 640     if (self->group) {
 641         group_remove(self->group, self);
 642         self->group = NULL;
 643     }
 644
 645     /* restore the window's original geometry so it is not lost */
 646     {
 647         Rect a;
 648
 649         /* give the client its border back */
 650         client_toggle_border(self, TRUE);
 651
 652         a = self->area;
 653
 654         if (self->fullscreen)
 655             a = self->pre_fullscreen_area;
 656         else if (self->max_horz || self->max_vert) {
 657             if (self->max_horz) {
 658                 a.x = self->pre_max_area.x;
 659                 a.width = self->pre_max_area.width;
 660             }
 661             if (self->max_vert) {
 662                 a.y = self->pre_max_area.y;
 663                 a.height = self->pre_max_area.height;
 664             }
 665         }
 666
 667         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 668         self->decorations = 0; /* unmanaged windows have no decor */
 669
 670         client_move_resize(self, a.x, a.y, a.width, a.height);
 671     }
 672
 673     /* reparent the window out of the frame, and free the frame */
 674     frame_release_client(self->frame);
 675     frame_free(self->frame);
 676     self->frame = NULL;
 677
 678     if (ob_state() != OB_STATE_EXITING) {
 679         /* these values should not be persisted across a window
 680            unmapping/mapping */
 681         PROP_ERASE(self->window, net_wm_desktop);
 682         PROP_ERASE(self->window, net_wm_state);
 683         PROP_ERASE(self->window, wm_state);
 684     } else {
 685         /* if we're left in an unmapped state, the client wont be mapped.
 686            this is bad, since we will no longer be managing the window on
 687            restart */
 688         XMapWindow(ob_display, self->window);
 689     }
 690
 691     /* update the list hints */
 692     client_set_list();
 693
 694     ob_debug("Unmanaged window 0x%lx\n", self->window);
 695
 696     /* free all data allocated in the client struct */
 697     g_slist_free(self->transients);
 698     for (j = 0; j < self->nicons; ++j)
 699         g_free(self->icons[j].data);
 700     if (self->nicons > 0)
 701         g_free(self->icons);
 702     g_free(self->wm_command);
 703     g_free(self->title);
 704     g_free(self->icon_title);
 705     g_free(self->name);
 706     g_free(self->class);
 707     g_free(self->role);
 708     g_free(self->client_machine);
 709     g_free(self->sm_client_id);
 710     g_free(self);
 711 }
 712
 713 void client_fake_unmanage(ObClient *self)
 714 {
 715     /* this is all that got allocated to get the decorations */
 716
 717     frame_free(self->frame);
 718     g_free(self);
 719 }
 720
 721 static ObAppSettings *client_get_settings_state(ObClient *self)
 722 {
 723     ObAppSettings *settings = NULL;
 724     GSList *it;
 725
 726     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 727         ObAppSettings *app = it->data;
 728
 729         if ((app->name && !app->class && !strcmp(app->name, self->name))
 730             || (app->class && !app->name && !strcmp(app->class, self->class))
 731             || (app->class && app->name && !strcmp(app->class, self->class)
 732                 && !strcmp(app->name, self->name)))
 733         {
 734             /* Match if no role was specified in the per app setting, or if the
 735              * string matches the beginning of the role, since apps like to set
 736              * the role to things like browser-window-23c4b2f */
 737             if (!app->role
 738                 || !strncmp(app->role, self->role, strlen(app->role)))
 739             {
 740                 ob_debug("Window matching: %s\n", app->name);
 741                 /* use this one */
 742                 settings = app;
 743                 break;
 744             }
 745         }
 746     }
 747
 748     if (settings) {
 749         if (settings->shade != -1)
 750             self->shaded = !!settings->shade;
 751         if (settings->decor != -1)
 752             self->undecorated = !settings->decor;
 753         if (settings->iconic != -1)
 754             self->iconic = !!settings->iconic;
 755         if (settings->skip_pager != -1)
 756             self->skip_pager = !!settings->skip_pager;
 757         if (settings->skip_taskbar != -1)
 758             self->skip_taskbar = !!settings->skip_taskbar;
 759
 760         if (settings->max_vert != -1)
 761             self->max_vert = !!settings->max_vert;
 762         if (settings->max_horz != -1)
 763             self->max_horz = !!settings->max_horz;
 764
 765         if (settings->fullscreen != -1)
 766             self->fullscreen = !!settings->fullscreen;
 767
 768         if (settings->desktop) {
 769             if (settings->desktop == DESKTOP_ALL)
 770                 self->desktop = settings->desktop;
 771             else if (settings->desktop > 0 &&
 772                      settings->desktop <= screen_num_desktops)
 773                 self->desktop = settings->desktop - 1;
 774         }
 775
 776         if (settings->layer == -1) {
 777             self->below = TRUE;
 778             self->above = FALSE;
 779         }
 780         else if (settings->layer == 0) {
 781             self->below = FALSE;
 782             self->above = FALSE;
 783         }
 784         else if (settings->layer == 1) {
 785             self->below = FALSE;
 786             self->above = TRUE;
 787         }
 788     }
 789     return settings;
 790 }
 791
 792 static void client_restore_session_state(ObClient *self)
 793 {
 794     GList *it;
 795
 796     ob_debug_type(OB_DEBUG_SM,
 797                   "Restore session for client %s\n", self->title);
 798
 799     if (!(it = session_state_find(self))) {
 800         ob_debug_type(OB_DEBUG_SM,
 801                       "Session data not found for client %s\n", self->title);
 802         return;
 803     }
 804
 805     self->session = it->data;
 806
 807     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 808                   self->title);
 809
 810     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 811     self->positioned = USPosition;
 812     if (self->session->w > 0)
 813         self->area.width = self->session->w;
 814     if (self->session->h > 0)
 815         self->area.height = self->session->h;
 816     XResizeWindow(ob_display, self->window,
 817                   self->area.width, self->area.height);
 818
 819     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 820                      self->session->desktop :
 821                      MIN(screen_num_desktops - 1, self->session->desktop));
 822     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 823
 824     self->shaded = self->session->shaded;
 825     self->iconic = self->session->iconic;
 826     self->skip_pager = self->session->skip_pager;
 827     self->skip_taskbar = self->session->skip_taskbar;
 828     self->fullscreen = self->session->fullscreen;
 829     self->above = self->session->above;
 830     self->below = self->session->below;
 831     self->max_horz = self->session->max_horz;
 832     self->max_vert = self->session->max_vert;
 833     self->undecorated = self->session->undecorated;
 834 }
 835
 836 static gboolean client_restore_session_stacking(ObClient *self)
 837 {
 838     GList *it, *mypos;
 839
 840     if (!self->session) return FALSE;
 841
 842     mypos = g_list_find(session_saved_state, self->session);
 843     if (!mypos) return FALSE;
 844
 845     /* start above me and look for the first client */
 846     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 847         GList *cit;
 848
 849         for (cit = client_list; cit; cit = g_list_next(cit)) {
 850             ObClient *c = cit->data;
 851             /* found a client that was in the session, so go below it */
 852             if (c->session == it->data) {
 853                 stacking_below(CLIENT_AS_WINDOW(self),
 854                                CLIENT_AS_WINDOW(cit->data));
 855                 return TRUE;
 856             }
 857         }
 858     }
 859     return FALSE;
 860 }
 861
 862 void client_move_onscreen(ObClient *self, gboolean rude)
 863 {
 864     gint x = self->area.x;
 865     gint y = self->area.y;
 866     if (client_find_onscreen(self, &x, &y,
 867                              self->area.width,
 868                              self->area.height, rude)) {
 869         client_move(self, x, y);
 870     }
 871 }
 872
 873 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 874                               gboolean rude)
 875 {
 876     Rect *mon_a, *all_a;
 877     gint ox = *x, oy = *y;
 878     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 879     gint fw, fh;
 880
 881     all_a = screen_area(self->desktop);
 882     mon_a = screen_area_monitor(self->desktop, client_monitor(self));
 883
 884     /* get where the frame would be */
 885     frame_client_gravity(self->frame, x, y, w, h);
 886
 887     /* get the requested size of the window with decorations */
 888     fw = self->frame->size.left + w + self->frame->size.right;
 889     fh = self->frame->size.top + h + self->frame->size.bottom;
 890
 891     /* This makes sure windows aren't entirely outside of the screen so you
 892        can't see them at all.
 893        It makes sure 10% of the window is on the screen at least. At don't let
 894        it move itself off the top of the screen, which would hide the titlebar
 895        on you. (The user can still do this if they want too, it's only limiting
 896        the application.
 897
 898        XXX watch for xinerama dead areas...
 899     */
 900     if (client_normal(self)) {
 901         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 902             *x = all_a->x + all_a->width - fw/10;
 903         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 904             *y = all_a->y + all_a->height - fh/10;
 905         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 906             *x = all_a->x - fw*9/10;
 907         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 908             *y = all_a->y - fw*9/10;
 909     }
 910
 911     /* If rudeness wasn't requested, then figure out of the client is currently
 912        entirely on the screen. If it is, and the position isn't changing by
 913        request, and it is enlarging, then be rude even though it wasn't
 914        requested */
 915     if (!rude) {
 916         Point oldtl, oldtr, oldbl, oldbr;
 917         Point newtl, newtr, newbl, newbr;
 918         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 919
 920         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 921         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 922                   self->frame->area.y + self->frame->area.height - 1);
 923         POINT_SET(oldtr, oldbr.x, oldtl.y);
 924         POINT_SET(oldbl, oldtl.x, oldbr.y);
 925
 926         POINT_SET(newtl, *x, *y);
 927         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 928         POINT_SET(newtr, newbr.x, newtl.y);
 929         POINT_SET(newbl, newtl.x, newbr.y);
 930
 931         /* is it moving or just resizing from some corner? */
 932         stationary_l = oldtl.x == oldtl.x;
 933         stationary_r = oldtr.x == oldtr.x;
 934         stationary_t = oldtl.y == oldtl.y;
 935         stationary_b = oldbl.y == oldbl.y;
 936
 937         /* if left edge is growing and didnt move right edge */
 938         if (stationary_r && newtl.x < oldtl.x)
 939             rudel = TRUE;
 940         /* if right edge is growing and didnt move left edge */
 941         if (stationary_l && newtr.x > oldtr.x)
 942             ruder = TRUE;
 943         /* if top edge is growing and didnt move bottom edge */
 944         if (stationary_b && newtl.y < oldtl.y)
 945             rudet = TRUE;
 946         /* if bottom edge is growing and didnt move top edge */
 947         if (stationary_t && newbl.y > oldbl.y)
 948             rudeb = TRUE;
 949     }
 950
 951     /* This here doesn't let windows even a pixel outside the struts/screen.
 952      * When called from client_manage, programs placing themselves are
 953      * forced completely onscreen, while things like
 954      * xterm -geometry resolution-width/2 will work fine. Trying to
 955      * place it completely offscreen will be handled in the above code.
 956      * Sorry for this confused comment, i am tired. */
 957     if (fw <= mon_a->width) {
 958         if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 959         if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 960             *x = mon_a->x + mon_a->width - fw;
 961     }
 962     if (fh <= mon_a->height) {
 963         if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 964         if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 965             *y = mon_a->y + mon_a->height - fh;
 966     }
 967
 968     /* get where the client should be */
 969     frame_frame_gravity(self->frame, x, y, w, h);
 970
 971     return ox != *x || oy != *y;
 972 }
 973
 974 static void client_toggle_border(ObClient *self, gboolean show)
 975 {
 976     /* adjust our idea of where the client is, based on its border. When the
 977        border is removed, the client should now be considered to be in a
 978        different position.
 979        when re-adding the border to the client, the same operation needs to be
 980        reversed. */
 981     gint oldx = self->area.x, oldy = self->area.y;
 982     gint x = oldx, y = oldy;
 983     switch(self->gravity) {
 984     default:
 985     case NorthWestGravity:
 986     case WestGravity:
 987     case SouthWestGravity:
 988         break;
 989     case NorthEastGravity:
 990     case EastGravity:
 991     case SouthEastGravity:
 992         if (show) x -= self->border_width * 2;
 993         else      x += self->border_width * 2;
 994         break;
 995     case NorthGravity:
 996     case SouthGravity:
 997     case CenterGravity:
 998     case ForgetGravity:
 999     case StaticGravity:
1000         if (show) x -= self->border_width;
1001         else      x += self->border_width;
1002         break;
1003     }
1004     switch(self->gravity) {
1005     default:
1006     case NorthWestGravity:
1007     case NorthGravity:
1008     case NorthEastGravity:
1009         break;
1010     case SouthWestGravity:
1011     case SouthGravity:
1012     case SouthEastGravity:
1013         if (show) y -= self->border_width * 2;
1014         else      y += self->border_width * 2;
1015         break;
1016     case WestGravity:
1017     case EastGravity:
1018     case CenterGravity:
1019     case ForgetGravity:
1020     case StaticGravity:
1021         if (show) y -= self->border_width;
1022         else      y += self->border_width;
1023         break;
1024     }
1025     self->area.x = x;
1026     self->area.y = y;
1027
1028     if (show) {
1029         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
1030
1031         /* set border_width to 0 because there is no border to add into
1032            calculations anymore */
1033         self->border_width = 0;
1034     } else
1035         XSetWindowBorderWidth(ob_display, self->window, 0);
1036 }
1037
1038
1039 static void client_get_all(ObClient *self, gboolean real)
1040 {
1041     /* this is needed for the frame to set itself up */
1042     client_get_area(self);
1043
1044     /* these things can change the decor and functions of the window */
1045
1046     client_get_mwm_hints(self);
1047     /* this can change the mwmhints for special cases */
1048     client_get_type_and_transientness(self);
1049     client_get_state(self);
1050     client_update_normal_hints(self);
1051
1052     /* get the session related properties, these can change decorations
1053        from per-app settings */
1054     client_get_session_ids(self);
1055
1056     /* now we got everything that can affect the decorations */
1057     if (!real)
1058         return;
1059
1060     /* get this early so we have it for debugging */
1061     client_update_title(self);
1062
1063     client_update_protocols(self);
1064
1065     client_update_wmhints(self);
1066     /* this may have already been called from client_update_wmhints */
1067     if (self->transient_for == NULL)
1068         client_update_transient_for(self);
1069
1070     client_get_startup_id(self);
1071     client_get_desktop(self);/* uses transient data/group/startup id if a
1072                                 desktop is not specified */
1073     client_get_shaped(self);
1074
1075     {
1076         /* a couple type-based defaults for new windows */
1077
1078         /* this makes sure that these windows appear on all desktops */
1079         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1080             self->desktop = DESKTOP_ALL;
1081     }
1082
1083 #ifdef SYNC
1084     client_update_sync_request_counter(self);
1085 #endif
1086
1087     client_get_colormap(self);
1088     client_update_strut(self);
1089     client_update_icons(self);
1090     client_update_user_time_window(self);
1091     if (!self->user_time_window) /* check if this would have been called */
1092         client_update_user_time(self);
1093     client_update_icon_geometry(self);
1094 }
1095
1096 static void client_get_startup_id(ObClient *self)
1097 {
1098     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1099         if (self->group)
1100             PROP_GETS(self->group->leader,
1101                       net_startup_id, utf8, &self->startup_id);
1102 }
1103
1104 static void client_get_area(ObClient *self)
1105 {
1106     XWindowAttributes wattrib;
1107     Status ret;
1108
1109     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1110     g_assert(ret != BadWindow);
1111
1112     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1113     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1114     self->border_width = wattrib.border_width;
1115
1116     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1117              wattrib.width, wattrib.height);
1118 }
1119
1120 static void client_get_desktop(ObClient *self)
1121 {
1122     guint32 d = screen_num_desktops; /* an always-invalid value */
1123
1124     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1125         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1126             self->desktop = screen_num_desktops - 1;
1127         else
1128             self->desktop = d;
1129     } else {
1130         gboolean trdesk = FALSE;
1131
1132         if (self->transient_for) {
1133             if (self->transient_for != OB_TRAN_GROUP) {
1134                 self->desktop = self->transient_for->desktop;
1135                 trdesk = TRUE;
1136             } else {
1137                 GSList *it;
1138
1139                 for (it = self->group->members; it; it = g_slist_next(it))
1140                     if (it->data != self &&
1141                         !((ObClient*)it->data)->transient_for) {
1142                         self->desktop = ((ObClient*)it->data)->desktop;
1143                         trdesk = TRUE;
1144                         break;
1145                     }
1146             }
1147         }
1148         if (!trdesk) {
1149             /* try get from the startup-notification protocol */
1150             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1151                 if (self->desktop >= screen_num_desktops &&
1152                     self->desktop != DESKTOP_ALL)
1153                     self->desktop = screen_num_desktops - 1;
1154             } else
1155                 /* defaults to the current desktop */
1156                 self->desktop = screen_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
1223     if (XGetTransientForHint(ob_display, self->window, &t)) {
1224         if (t != self->window) { /* cant be transient to itself! */
1225             target = g_hash_table_lookup(window_map, &t);
1226             /* if this happens then we need to check for it*/
1227             g_assert(target != self);
1228             if (target && !WINDOW_IS_CLIENT(target)) {
1229                 /* this can happen when a dialog is a child of
1230                    a dockapp, for example */
1231                 target = NULL;
1232             }
1233
1234             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
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
1240                Now you can do that by being a TYPE_DIALOG and not setting
1241                the transient_for hint at all on your window. But people still
1242                use Root, and Kwin is very strange in this regard.
1243
1244                KWin 3.0 will not consider windows with transient_for set to
1245                Root as transient for their group *UNLESS* they are also modal.
1246                In that case, it will make them transient for the group. This
1247                leads to all sorts of weird behavior from KDE apps which are
1248                only tested in KWin. I'd like to follow their behavior just to
1249                make this work right with KDE stuff, but that seems wrong.
1250             */
1251             if (!target && self->group) {
1252                 /* not transient to a client, see if it is transient for a
1253                    group */
1254                 if (t == RootWindow(ob_display, ob_screen)) {
1255                     /* window is a transient for its group! */
1256                     target = OB_TRAN_GROUP;
1257                 }
1258             }
1259         }
1260     } else if (self->transient && self->group)
1261         target = OB_TRAN_GROUP;
1262
1263     client_update_transient_tree(self, self->group, self->group,
1264                                  self->transient_for, target);
1265     self->transient_for = target;
1266
1267 }
1268
1269 static void client_update_transient_tree(ObClient *self,
1270                                          ObGroup *oldgroup, ObGroup *newgroup,
1271                                          ObClient* oldparent,
1272                                          ObClient *newparent)
1273 {
1274     GSList *it, *next;
1275     ObClient *c;
1276
1277     /* * *
1278       Group transient windows are not allowed to have other group
1279       transient windows as their children.
1280       * * */
1281
1282
1283     /* No change has occured */
1284     if (oldgroup == newgroup && oldparent == newparent) return;
1285
1286     /** Remove the client from the transient tree wherever it has changed **/
1287
1288     /* If the window is becoming a direct transient for a window in its group
1289        then any group transients which were our children and are now becoming
1290        our parents need to stop being our children.
1291
1292        Group transients can't be children of group transients already, but
1293        we could have any number of direct parents above up, any of which could
1294        be transient for the group, and we need to remove it from our children.
1295     */
1296     if (oldparent != newparent &&
1297         newparent != NULL && newparent != OB_TRAN_GROUP &&
1298         newgroup != NULL && newgroup == oldgroup)
1299     {
1300         ObClient *look = newparent;
1301         do {
1302             self->transients = g_slist_remove(self->transients, look);
1303             look = look->transient_for;
1304         } while (look != NULL && look != OB_TRAN_GROUP);
1305     }
1306
1307
1308     /* If the group changed, or if we are just becoming transient for the
1309        group, then we need to remove any old group transient windows
1310        from our children. But if we were already transient for the group, then
1311        other group transients are not our children. */
1312     if ((oldgroup != newgroup ||
1313          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1314         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1315     {
1316         for (it = self->transients; it; it = next) {
1317             next = g_slist_next(it);
1318             c = it->data;
1319             if (c->group == oldgroup)
1320                 self->transients = g_slist_delete_link(self->transients, it);
1321         }
1322     }
1323
1324     /* If we used to be transient for a group and now we are not, or we're
1325        transient for a new group, then we need to remove ourselves from all
1326        our ex-parents */
1327     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1328                                        oldparent != newparent))
1329     {
1330         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1331             c = it->data;
1332             if (c != self && (!c->transient_for ||
1333                               c->transient_for != OB_TRAN_GROUP))
1334                 c->transients = g_slist_remove(c->transients, self);
1335         }
1336     }
1337     /* If we used to be transient for a single window and we are no longer
1338        transient for it, then we need to remove ourself from its children */
1339     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1340              oldparent != newparent)
1341         oldparent->transients = g_slist_remove(oldparent->transients, self);
1342
1343
1344     /** Re-add the client to the transient tree wherever it has changed **/
1345
1346     /* If we're now transient for a group and we weren't transient for it
1347        before then we need to add ourselves to all our new parents */
1348     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1349                                        oldparent != newparent))
1350     {
1351         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1352             c = it->data;
1353             if (c != self && (!c->transient_for ||
1354                               c->transient_for != OB_TRAN_GROUP))
1355                 c->transients = g_slist_prepend(c->transients, self);
1356         }
1357     }
1358     /* If we are now transient for a single window which we weren't before,
1359        we need to add ourselves to its children
1360
1361        WARNING: Cyclical transient ness is possible if two windows are
1362        transient for eachother.
1363     */
1364     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1365              newparent != oldparent &&
1366              /* don't make ourself its child if it is already our child */
1367              !client_is_direct_child(self, newparent))
1368         newparent->transients = g_slist_prepend(newparent->transients, self);
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 &&
1381         newparent != OB_TRAN_GROUP)
1382     {
1383         for (it = newgroup->members; it; it = g_slist_next(it)) {
1384             c = it->data;
1385             if (c != self && c->transient_for == OB_TRAN_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             }
1391         }
1392     }
1393 }
1394
1395 static void client_get_mwm_hints(ObClient *self)
1396 {
1397     guint num;
1398     guint32 *hints;
1399
1400     self->mwmhints.flags = 0; /* default to none */
1401
1402     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1403                     &hints, &num)) {
1404         if (num >= OB_MWM_ELEMENTS) {
1405             self->mwmhints.flags = hints[0];
1406             self->mwmhints.functions = hints[1];
1407             self->mwmhints.decorations = hints[2];
1408         }
1409         g_free(hints);
1410     }
1411 }
1412
1413 void client_get_type_and_transientness(ObClient *self)
1414 {
1415     guint num, i;
1416     guint32 *val;
1417     Window t;
1418
1419     self->type = -1;
1420     self->transient = FALSE;
1421
1422     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1423         /* use the first value that we know about in the array */
1424         for (i = 0; i < num; ++i) {
1425             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1426                 self->type = OB_CLIENT_TYPE_DESKTOP;
1427             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1428                 self->type = OB_CLIENT_TYPE_DOCK;
1429             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1430                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1431             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1432                 self->type = OB_CLIENT_TYPE_MENU;
1433             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1434                 self->type = OB_CLIENT_TYPE_UTILITY;
1435             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1436                 self->type = OB_CLIENT_TYPE_SPLASH;
1437             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1438                 self->type = OB_CLIENT_TYPE_DIALOG;
1439             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1440                 self->type = OB_CLIENT_TYPE_NORMAL;
1441             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1442                 /* prevent this window from getting any decor or
1443                    functionality */
1444                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1445                                          OB_MWM_FLAG_DECORATIONS);
1446                 self->mwmhints.decorations = 0;
1447                 self->mwmhints.functions = 0;
1448             }
1449             if (self->type != (ObClientType) -1)
1450                 break; /* grab the first legit type */
1451         }
1452         g_free(val);
1453     }
1454
1455     if (XGetTransientForHint(ob_display, self->window, &t))
1456         self->transient = TRUE;
1457
1458     if (self->type == (ObClientType) -1) {
1459         /*the window type hint was not set, which means we either classify
1460           ourself as a normal window or a dialog, depending on if we are a
1461           transient. */
1462         if (self->transient)
1463             self->type = OB_CLIENT_TYPE_DIALOG;
1464         else
1465             self->type = OB_CLIENT_TYPE_NORMAL;
1466     }
1467
1468     /* then, based on our type, we can update our transientness.. */
1469     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1470         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1471         self->type == OB_CLIENT_TYPE_MENU ||
1472         self->type == OB_CLIENT_TYPE_UTILITY)
1473     {
1474         self->transient = TRUE;
1475     }
1476 }
1477
1478 void client_update_protocols(ObClient *self)
1479 {
1480     guint32 *proto;
1481     guint num_return, i;
1482
1483     self->focus_notify = FALSE;
1484     self->delete_window = FALSE;
1485
1486     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1487         for (i = 0; i < num_return; ++i) {
1488             if (proto[i] == prop_atoms.wm_delete_window)
1489                 /* this means we can request the window to close */
1490                 self->delete_window = TRUE;
1491             else if (proto[i] == prop_atoms.wm_take_focus)
1492                 /* if this protocol is requested, then the window will be
1493                    notified whenever we want it to receive focus */
1494                 self->focus_notify = TRUE;
1495 #ifdef SYNC
1496             else if (proto[i] == prop_atoms.net_wm_sync_request)
1497                 /* if this protocol is requested, then resizing the
1498                    window will be synchronized between the frame and the
1499                    client */
1500                 self->sync_request = TRUE;
1501 #endif
1502         }
1503         g_free(proto);
1504     }
1505 }
1506
1507 #ifdef SYNC
1508 void client_update_sync_request_counter(ObClient *self)
1509 {
1510     guint32 i;
1511
1512     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1513         self->sync_counter = i;
1514     } else
1515         self->sync_counter = None;
1516 }
1517 #endif
1518
1519 void client_get_colormap(ObClient *self)
1520 {
1521     XWindowAttributes wa;
1522
1523     if (XGetWindowAttributes(ob_display, self->window, &wa))
1524         client_update_colormap(self, wa.colormap);
1525 }
1526
1527 void client_update_colormap(ObClient *self, Colormap colormap)
1528 {
1529     self->colormap = colormap;
1530 }
1531
1532 void client_update_normal_hints(ObClient *self)
1533 {
1534     XSizeHints size;
1535     glong ret;
1536     gint oldgravity = self->gravity;
1537
1538     /* defaults */
1539     self->min_ratio = 0.0f;
1540     self->max_ratio = 0.0f;
1541     SIZE_SET(self->size_inc, 1, 1);
1542     SIZE_SET(self->base_size, 0, 0);
1543     SIZE_SET(self->min_size, 0, 0);
1544     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1545
1546     /* get the hints from the window */
1547     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1548         /* normal windows can't request placement! har har
1549         if (!client_normal(self))
1550         */
1551         self->positioned = (size.flags & (PPosition|USPosition));
1552
1553         if (size.flags & PWinGravity) {
1554             self->gravity = size.win_gravity;
1555
1556             /* if the client has a frame, i.e. has already been mapped and
1557                is changing its gravity */
1558             if (self->frame && self->gravity != oldgravity) {
1559                 /* move our idea of the client's position based on its new
1560                    gravity */
1561                 client_convert_gravity(self, oldgravity,
1562                                        &self->area.x, &self->area.y,
1563                                        self->area.width, self->area.height);
1564             }
1565         }
1566
1567         if (size.flags & PAspect) {
1568             if (size.min_aspect.y)
1569                 self->min_ratio =
1570                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1571             if (size.max_aspect.y)
1572                 self->max_ratio =
1573                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1574         }
1575
1576         if (size.flags & PMinSize)
1577             SIZE_SET(self->min_size, size.min_width, size.min_height);
1578
1579         if (size.flags & PMaxSize)
1580             SIZE_SET(self->max_size, size.max_width, size.max_height);
1581
1582         if (size.flags & PBaseSize)
1583             SIZE_SET(self->base_size, size.base_width, size.base_height);
1584
1585         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1586             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1587     }
1588 }
1589
1590 void client_setup_decor_and_functions(ObClient *self)
1591 {
1592     /* start with everything (cept fullscreen) */
1593     self->decorations =
1594         (OB_FRAME_DECOR_TITLEBAR |
1595          OB_FRAME_DECOR_HANDLE |
1596          OB_FRAME_DECOR_GRIPS |
1597          OB_FRAME_DECOR_BORDER |
1598          OB_FRAME_DECOR_ICON |
1599          OB_FRAME_DECOR_ALLDESKTOPS |
1600          OB_FRAME_DECOR_ICONIFY |
1601          OB_FRAME_DECOR_MAXIMIZE |
1602          OB_FRAME_DECOR_SHADE |
1603          OB_FRAME_DECOR_CLOSE);
1604     self->functions =
1605         (OB_CLIENT_FUNC_RESIZE |
1606          OB_CLIENT_FUNC_MOVE |
1607          OB_CLIENT_FUNC_ICONIFY |
1608          OB_CLIENT_FUNC_MAXIMIZE |
1609          OB_CLIENT_FUNC_SHADE |
1610          OB_CLIENT_FUNC_CLOSE |
1611          OB_CLIENT_FUNC_BELOW |
1612          OB_CLIENT_FUNC_ABOVE);
1613
1614     if (!(self->min_size.width < self->max_size.width ||
1615           self->min_size.height < self->max_size.height))
1616         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1617
1618     switch (self->type) {
1619     case OB_CLIENT_TYPE_NORMAL:
1620         /* normal windows retain all of the possible decorations and
1621            functionality, and are the only windows that you can fullscreen */
1622         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1623         break;
1624
1625     case OB_CLIENT_TYPE_DIALOG:
1626     case OB_CLIENT_TYPE_UTILITY:
1627         /* these windows cannot be maximized */
1628         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1629         break;
1630
1631     case OB_CLIENT_TYPE_MENU:
1632     case OB_CLIENT_TYPE_TOOLBAR:
1633         /* these windows get less functionality */
1634         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1635         break;
1636
1637     case OB_CLIENT_TYPE_SPLASH:
1638         /* these don't get get any decorations, and the only thing you can
1639            do with them is move them */
1640         self->decorations = 0;
1641         self->functions = OB_CLIENT_FUNC_MOVE;
1642
1643     case OB_CLIENT_TYPE_DESKTOP:
1644         /* these windows are not manipulated by the window manager */
1645         self->decorations = 0;
1646         self->functions = 0;
1647
1648     case OB_CLIENT_TYPE_DOCK:
1649         /* these windows are not manipulated by the window manager, but they
1650            can set below layer which has a special meaning */
1651         self->decorations = 0;
1652         self->functions = OB_CLIENT_FUNC_BELOW;
1653         break;
1654     }
1655
1656     /* Mwm Hints are applied subtractively to what has already been chosen for
1657        decor and functionality */
1658     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1659         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1660             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1661                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1662             {
1663                 /* if the mwm hints request no handle or title, then all
1664                    decorations are disabled, but keep the border if that's
1665                    specified */
1666                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1667                     self->decorations = OB_FRAME_DECOR_BORDER;
1668                 else
1669                     self->decorations = 0;
1670             }
1671         }
1672     }
1673
1674     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1675         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1676             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1677                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1678             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1679                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1680             /* dont let mwm hints kill any buttons
1681                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1682                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1683                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1684                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1685             */
1686             /* dont let mwm hints kill the close button
1687                if (! (self->mwmhints.functions & MwmFunc_Close))
1688                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1689         }
1690     }
1691
1692     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1693         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1694     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1695         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1696     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1697         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1698
1699     /* can't maximize without moving/resizing */
1700     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1701           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1702           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1703         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1704         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1705     }
1706
1707     /* kill the handle on fully maxed windows */
1708     if (self->max_vert && self->max_horz)
1709         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1710
1711     /* finally, the user can have requested no decorations, which overrides
1712        everything (but doesnt give it a border if it doesnt have one) */
1713     if (self->undecorated) {
1714         if (config_theme_keepborder)
1715             self->decorations &= OB_FRAME_DECOR_BORDER;
1716         else
1717             self->decorations = 0;
1718     }
1719
1720     /* if we don't have a titlebar, then we cannot shade! */
1721     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1722         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1723
1724     /* now we need to check against rules for the client's current state */
1725     if (self->fullscreen) {
1726         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1727                             OB_CLIENT_FUNC_FULLSCREEN |
1728                             OB_CLIENT_FUNC_ICONIFY);
1729         self->decorations = 0;
1730     }
1731
1732     client_change_allowed_actions(self);
1733
1734     if (self->frame) {
1735         /* adjust the client's decorations, etc. */
1736         client_reconfigure(self);
1737     }
1738 }
1739
1740 static void client_change_allowed_actions(ObClient *self)
1741 {
1742     gulong actions[11];
1743     gint num = 0;
1744
1745     /* desktop windows are kept on all desktops */
1746     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1747         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1748
1749     if (self->functions & OB_CLIENT_FUNC_SHADE)
1750         actions[num++] = prop_atoms.net_wm_action_shade;
1751     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1752         actions[num++] = prop_atoms.net_wm_action_close;
1753     if (self->functions & OB_CLIENT_FUNC_MOVE)
1754         actions[num++] = prop_atoms.net_wm_action_move;
1755     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1756         actions[num++] = prop_atoms.net_wm_action_minimize;
1757     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1758         actions[num++] = prop_atoms.net_wm_action_resize;
1759     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1760         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1761     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1762         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1763         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1764     }
1765     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1766         actions[num++] = prop_atoms.net_wm_action_above;
1767     if (self->functions & OB_CLIENT_FUNC_BELOW)
1768         actions[num++] = prop_atoms.net_wm_action_below;
1769
1770     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1771
1772     /* make sure the window isn't breaking any rules now */
1773
1774     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1775         if (self->frame) client_shade(self, FALSE);
1776         else self->shaded = FALSE;
1777     }
1778     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1779         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1780         else self->iconic = FALSE;
1781     }
1782     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1783         if (self->frame) client_fullscreen(self, FALSE);
1784         else self->fullscreen = FALSE;
1785     }
1786     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1787                                                          self->max_vert)) {
1788         if (self->frame) client_maximize(self, FALSE, 0);
1789         else self->max_vert = self->max_horz = FALSE;
1790     }
1791 }
1792
1793 void client_reconfigure(ObClient *self)
1794 {
1795     /* by making this pass FALSE for user, we avoid the emacs event storm where
1796        every configurenotify causes an update in its normal hints, i think this
1797        is generally what we want anyways... */
1798     client_configure(self, self->area.x, self->area.y,
1799                      self->area.width, self->area.height, FALSE, TRUE);
1800 }
1801
1802 void client_update_wmhints(ObClient *self)
1803 {
1804     XWMHints *hints;
1805
1806     /* assume a window takes input if it doesnt specify */
1807     self->can_focus = TRUE;
1808
1809     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1810         gboolean ur;
1811
1812         if (hints->flags & InputHint)
1813             self->can_focus = hints->input;
1814
1815         /* only do this when first managing the window *AND* when we aren't
1816            starting up! */
1817         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1818             if (hints->flags & StateHint)
1819                 self->iconic = hints->initial_state == IconicState;
1820
1821         ur = self->urgent;
1822         self->urgent = (hints->flags & XUrgencyHint);
1823         if (self->urgent && !ur)
1824             client_hilite(self, TRUE);
1825         else if (!self->urgent && ur && self->demands_attention)
1826             client_hilite(self, FALSE);
1827
1828         if (!(hints->flags & WindowGroupHint))
1829             hints->window_group = None;
1830
1831         /* did the group state change? */
1832         if (hints->window_group !=
1833             (self->group ? self->group->leader : None))
1834         {
1835             ObGroup *oldgroup = self->group;
1836
1837             /* remove from the old group if there was one */
1838             if (self->group != NULL) {
1839                 group_remove(self->group, self);
1840                 self->group = NULL;
1841             }
1842
1843             /* add ourself to the group if we have one */
1844             if (hints->window_group != None) {
1845                 self->group = group_add(hints->window_group, self);
1846             }
1847
1848             /* Put ourselves into the new group's transient tree, and remove
1849                ourselves from the old group's */
1850             client_update_transient_tree(self, oldgroup, self->group,
1851                                          self->transient_for,
1852                                          self->transient_for);
1853
1854             /* Lastly, being in a group, or not, can change if the window is
1855                transient for anything.
1856
1857                The logic for this is:
1858                self->transient = TRUE always if the window wants to be
1859                transient for something, even if transient_for was NULL because
1860                it wasn't in a group before.
1861
1862                If transient_for was NULL and oldgroup was NULL we can assume
1863                that when we add the new group, it will become transient for
1864                something.
1865
1866                If transient_for was OB_TRAN_GROUP, then it must have already
1867                had a group. If it is getting a new group, the above call to
1868                client_update_transient_tree has already taken care of
1869                everything ! If it is losing all group status then it will
1870                no longer be transient for anything and that needs to be
1871                updated.
1872             */
1873             if (self->transient &&
1874                 ((self->transient_for == NULL && oldgroup == NULL) ||
1875                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1876                 client_update_transient_for(self);
1877         }
1878
1879         /* the WM_HINTS can contain an icon */
1880         client_update_icons(self);
1881
1882         XFree(hints);
1883     }
1884 }
1885
1886 void client_update_title(ObClient *self)
1887 {
1888     gchar *data = NULL;
1889     gchar *visible = NULL;
1890
1891     g_free(self->title);
1892
1893     /* try netwm */
1894     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1895         /* try old x stuff */
1896         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1897               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1898             if (self->transient) {
1899                 /*
1900                   GNOME alert windows are not given titles:
1901                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1902                 */
1903                 data = g_strdup("");
1904             } else
1905                 data = g_strdup("Unnamed Window");
1906         }
1907     }
1908
1909     if (self->client_machine) {
1910         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1911         g_free(data);
1912     } else
1913         visible = data;
1914
1915     PROP_SETS(self->window, net_wm_visible_name, visible);
1916     self->title = visible;
1917
1918     if (self->frame)
1919         frame_adjust_title(self->frame);
1920
1921     /* update the icon title */
1922     data = NULL;
1923     g_free(self->icon_title);
1924
1925     /* try netwm */
1926     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1927         /* try old x stuff */
1928         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1929               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1930             data = g_strdup(self->title);
1931
1932     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1933     self->icon_title = data;
1934 }
1935
1936 void client_update_strut(ObClient *self)
1937 {
1938     guint num;
1939     guint32 *data;
1940     gboolean got = FALSE;
1941     StrutPartial strut;
1942
1943     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1944                     &data, &num)) {
1945         if (num == 12) {
1946             got = TRUE;
1947             STRUT_PARTIAL_SET(strut,
1948                               data[0], data[2], data[1], data[3],
1949                               data[4], data[5], data[8], data[9],
1950                               data[6], data[7], data[10], data[11]);
1951         }
1952         g_free(data);
1953     }
1954
1955     if (!got &&
1956         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1957         if (num == 4) {
1958             const Rect *a;
1959
1960             got = TRUE;
1961
1962             /* use the screen's width/height */
1963             a = screen_physical_area();
1964
1965             STRUT_PARTIAL_SET(strut,
1966                               data[0], data[2], data[1], data[3],
1967                               a->y, a->y + a->height - 1,
1968                               a->x, a->x + a->width - 1,
1969                               a->y, a->y + a->height - 1,
1970                               a->x, a->x + a->width - 1);
1971         }
1972         g_free(data);
1973     }
1974
1975     if (!got)
1976         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1977                           0, 0, 0, 0, 0, 0, 0, 0);
1978
1979     if (!STRUT_EQUAL(strut, self->strut)) {
1980         self->strut = strut;
1981
1982         /* updating here is pointless while we're being mapped cuz we're not in
1983            the client list yet */
1984         if (self->frame)
1985             screen_update_areas();
1986     }
1987 }
1988
1989 void client_update_icons(ObClient *self)
1990 {
1991     guint num;
1992     guint32 *data;
1993     guint w, h, i, j;
1994
1995     for (i = 0; i < self->nicons; ++i)
1996         g_free(self->icons[i].data);
1997     if (self->nicons > 0)
1998         g_free(self->icons);
1999     self->nicons = 0;
2000
2001     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2002         /* figure out how many valid icons are in here */
2003         i = 0;
2004         while (num - i > 2) {
2005             w = data[i++];
2006             h = data[i++];
2007             i += w * h;
2008             if (i > num || w*h == 0) break;
2009             ++self->nicons;
2010         }
2011
2012         self->icons = g_new(ObClientIcon, self->nicons);
2013
2014         /* store the icons */
2015         i = 0;
2016         for (j = 0; j < self->nicons; ++j) {
2017             guint x, y, t;
2018
2019             w = self->icons[j].width = data[i++];
2020             h = self->icons[j].height = data[i++];
2021
2022             if (w*h == 0) continue;
2023
2024             self->icons[j].data = g_new(RrPixel32, w * h);
2025             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2026                 if (x >= w) {
2027                     x = 0;
2028                     ++y;
2029                 }
2030                 self->icons[j].data[t] =
2031                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2032                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2033                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2034                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2035             }
2036             g_assert(i <= num);
2037         }
2038
2039         g_free(data);
2040     } else {
2041         XWMHints *hints;
2042
2043         if ((hints = XGetWMHints(ob_display, self->window))) {
2044             if (hints->flags & IconPixmapHint) {
2045                 self->nicons++;
2046                 self->icons = g_new(ObClientIcon, self->nicons);
2047                 xerror_set_ignore(TRUE);
2048                 if (!RrPixmapToRGBA(ob_rr_inst,
2049                                     hints->icon_pixmap,
2050                                     (hints->flags & IconMaskHint ?
2051                                      hints->icon_mask : None),
2052                                     &self->icons[self->nicons-1].width,
2053                                     &self->icons[self->nicons-1].height,
2054                                     &self->icons[self->nicons-1].data)){
2055                     g_free(&self->icons[self->nicons-1]);
2056                     self->nicons--;
2057                 }
2058                 xerror_set_ignore(FALSE);
2059             }
2060             XFree(hints);
2061         }
2062     }
2063
2064     /* set the default icon onto the window
2065        in theory, this could be a race, but if a window doesn't set an icon
2066        or removes it entirely, it's not very likely it is going to set one
2067        right away afterwards */
2068     if (self->nicons == 0) {
2069         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2070         gulong *data;
2071
2072         data = g_new(gulong, 48*48+2);
2073         data[0] = data[1] =  48;
2074         for (i = 0; i < 48*48; ++i)
2075             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2076                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2077                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2078                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2079         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2080         g_free(data);
2081     } else if (self->frame)
2082         /* don't draw the icon empty if we're just setting one now anyways,
2083            we'll get the property change any second */
2084         frame_adjust_icon(self->frame);
2085 }
2086
2087 void client_update_user_time(ObClient *self)
2088 {
2089     guint32 time;
2090     gboolean got = FALSE;
2091
2092     if (self->user_time_window)
2093         got = PROP_GET32(self->user_time_window,
2094                          net_wm_user_time, cardinal, &time);
2095     if (!got)
2096         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2097
2098     if (got) {
2099         /* we set this every time, not just when it grows, because in practice
2100            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2101            backward we don't want all windows to stop focusing. we'll just
2102            assume noone is setting times older than the last one, cuz that
2103            would be pretty stupid anyways
2104         */
2105         self->user_time = time;
2106
2107         /*ob_debug("window %s user time %u\n", self->title, time);*/
2108     }
2109 }
2110
2111 void client_update_user_time_window(ObClient *self)
2112 {
2113     guint32 w;
2114
2115     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2116         w = None;
2117
2118     if (w != self->user_time_window) {
2119         /* remove the old window */
2120         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2121         self->user_time_window = None;
2122
2123         if (self->group && self->group->leader == w) {
2124             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2125                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2126             /* do it anyways..? */
2127         }
2128         else if (w == self->window) {
2129             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2130                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2131             w = None; /* don't do it */
2132         }
2133
2134         /* add the new window */
2135         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2136         self->user_time_window = w;
2137
2138         /* and update from it */
2139         client_update_user_time(self);
2140     }
2141 }
2142
2143 void client_update_icon_geometry(ObClient *self)
2144 {
2145     guint num;
2146     guint32 *data;
2147
2148     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2149
2150     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2151         && num == 4)
2152     {
2153         /* don't let them set it with an area < 0 */
2154         RECT_SET(self->icon_geometry, data[0], data[1],
2155                  MAX(data[2],0), MAX(data[3],0));
2156     }
2157 }
2158
2159 static void client_get_session_ids(ObClient *self)
2160 {
2161     guint32 leader;
2162     gboolean got;
2163     gchar *s;
2164     gchar **ss;
2165
2166     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2167         leader = None;
2168
2169     /* get the SM_CLIENT_ID */
2170     got = FALSE;
2171     if (leader)
2172         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2173     if (!got)
2174         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2175
2176     /* get the WM_CLASS (name and class). make them "" if they are not
2177        provided */
2178     got = FALSE;
2179     if (leader)
2180         got = PROP_GETSS(leader, wm_class, locale, &ss);
2181     if (!got)
2182         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2183
2184     if (got) {
2185         if (ss[0]) {
2186             self->name = g_strdup(ss[0]);
2187             if (ss[1])
2188                 self->class = g_strdup(ss[1]);
2189         }
2190         g_strfreev(ss);
2191     }
2192
2193     if (self->name == NULL) self->name = g_strdup("");
2194     if (self->class == NULL) self->class = g_strdup("");
2195
2196     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2197     got = FALSE;
2198     if (leader)
2199         got = PROP_GETS(leader, wm_window_role, locale, &s);
2200     if (!got)
2201         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2202
2203     if (got)
2204         self->role = s;
2205     else
2206         self->role = g_strdup("");
2207
2208     /* get the WM_COMMAND */
2209     got = FALSE;
2210
2211     if (leader)
2212         got = PROP_GETSS(leader, wm_command, locale, &ss);
2213     if (!got)
2214         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2215
2216     if (got) {
2217         /* merge/mash them all together */
2218         gchar *merge = NULL;
2219         gint i;
2220
2221         for (i = 0; ss[i]; ++i) {
2222             gchar *tmp = merge;
2223             if (merge)
2224                 merge = g_strconcat(merge, ss[i], NULL);
2225             else
2226                 merge = g_strconcat(ss[i], NULL);
2227             g_free(tmp);
2228         }
2229         g_strfreev(ss);
2230
2231         self->wm_command = merge;
2232     }
2233
2234     /* get the WM_CLIENT_MACHINE */
2235     got = FALSE;
2236     if (leader)
2237         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2238     if (!got)
2239         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2240
2241     if (got) {
2242         gchar localhost[128];
2243
2244         gethostname(localhost, 127);
2245         localhost[127] = '\0';
2246         if (strcmp(localhost, s) != 0)
2247             self->client_machine = s;
2248         else
2249             g_free(s);
2250     }
2251 }
2252
2253 static void client_change_wm_state(ObClient *self)
2254 {
2255     gulong state[2];
2256     glong old;
2257
2258     old = self->wmstate;
2259
2260     if (self->shaded || self->iconic ||
2261         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2262     {
2263         self->wmstate = IconicState;
2264     } else
2265         self->wmstate = NormalState;
2266
2267     if (old != self->wmstate) {
2268         PROP_MSG(self->window, kde_wm_change_state,
2269                  self->wmstate, 1, 0, 0);
2270
2271         state[0] = self->wmstate;
2272         state[1] = None;
2273         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2274     }
2275 }
2276
2277 static void client_change_state(ObClient *self)
2278 {
2279     gulong netstate[11];
2280     guint num;
2281
2282     num = 0;
2283     if (self->modal)
2284         netstate[num++] = prop_atoms.net_wm_state_modal;
2285     if (self->shaded)
2286         netstate[num++] = prop_atoms.net_wm_state_shaded;
2287     if (self->iconic)
2288         netstate[num++] = prop_atoms.net_wm_state_hidden;
2289     if (self->skip_taskbar)
2290         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2291     if (self->skip_pager)
2292         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2293     if (self->fullscreen)
2294         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2295     if (self->max_vert)
2296         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2297     if (self->max_horz)
2298         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2299     if (self->above)
2300         netstate[num++] = prop_atoms.net_wm_state_above;
2301     if (self->below)
2302         netstate[num++] = prop_atoms.net_wm_state_below;
2303     if (self->demands_attention)
2304         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2305     if (self->undecorated)
2306         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2307     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2308
2309     if (self->frame)
2310         frame_adjust_state(self->frame);
2311 }
2312
2313 ObClient *client_search_focus_tree(ObClient *self)
2314 {
2315     GSList *it;
2316     ObClient *ret;
2317
2318     for (it = self->transients; it; it = g_slist_next(it)) {
2319         if (client_focused(it->data)) return it->data;
2320         if ((ret = client_search_focus_tree(it->data))) return ret;
2321     }
2322     return NULL;
2323 }
2324
2325 ObClient *client_search_focus_tree_full(ObClient *self)
2326 {
2327     if (self->transient_for) {
2328         if (self->transient_for != OB_TRAN_GROUP) {
2329             return client_search_focus_tree_full(self->transient_for);
2330         } else {
2331             GSList *it;
2332             gboolean recursed = FALSE;
2333
2334             for (it = self->group->members; it; it = g_slist_next(it))
2335                 if (!((ObClient*)it->data)->transient_for) {
2336                     ObClient *c;
2337                     if ((c = client_search_focus_tree_full(it->data)))
2338                         return c;
2339                     recursed = TRUE;
2340                 }
2341             if (recursed)
2342                 return NULL;
2343         }
2344     }
2345
2346     /* this function checks the whole tree, the client_search_focus_tree~
2347        does not, so we need to check this window */
2348     if (client_focused(self))
2349         return self;
2350     return client_search_focus_tree(self);
2351 }
2352
2353 static ObStackingLayer calc_layer(ObClient *self)
2354 {
2355     ObStackingLayer l;
2356
2357     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2358         l = OB_STACKING_LAYER_DESKTOP;
2359     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2360         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2361         else l = OB_STACKING_LAYER_ABOVE;
2362     }
2363     else if ((self->fullscreen ||
2364               /* no decorations and fills the monitor = oldskool fullscreen */
2365               (self->frame != NULL &&
2366                (self->frame->size.right == 0 && self->frame->size.left == 0 &&
2367                 self->frame->size.bottom == 0 && self->frame->size.top == 0 &&
2368                 RECT_EQUAL(self->area,
2369                            *screen_physical_area_monitor
2370                            (client_monitor(self)))))) &&
2371              (client_focused(self) || client_search_focus_tree(self)))
2372         l = OB_STACKING_LAYER_FULLSCREEN;
2373     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2374     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2375     else l = OB_STACKING_LAYER_NORMAL;
2376
2377     return l;
2378 }
2379
2380 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2381                                         ObStackingLayer min)
2382 {
2383     ObStackingLayer old, own;
2384     GSList *it;
2385
2386     old = self->layer;
2387     own = calc_layer(self);
2388     self->layer = MAX(own, min);
2389
2390     if (self->layer != old) {
2391         stacking_remove(CLIENT_AS_WINDOW(self));
2392         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2393     }
2394
2395     for (it = self->transients; it; it = g_slist_next(it))
2396         client_calc_layer_recursive(it->data, orig,
2397                                     self->layer);
2398 }
2399
2400 void client_calc_layer(ObClient *self)
2401 {
2402     ObClient *orig;
2403     GSList *it;
2404
2405     orig = self;
2406
2407     /* transients take on the layer of their parents */
2408     it = client_search_all_top_parents(self);
2409
2410     for (; it; it = g_slist_next(it))
2411         client_calc_layer_recursive(it->data, orig, 0);
2412 }
2413
2414 gboolean client_should_show(ObClient *self)
2415 {
2416     if (self->iconic)
2417         return FALSE;
2418     if (client_normal(self) && screen_showing_desktop)
2419         return FALSE;
2420     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2421         return TRUE;
2422
2423     return FALSE;
2424 }
2425
2426 void client_show(ObClient *self)
2427 {
2428
2429     if (client_should_show(self)) {
2430         frame_show(self->frame);
2431     }
2432
2433     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2434        needs to be in IconicState. This includes when it is on another
2435        desktop!
2436     */
2437     client_change_wm_state(self);
2438 }
2439
2440 void client_hide(ObClient *self)
2441 {
2442     if (!client_should_show(self)) {
2443         frame_hide(self->frame);
2444
2445         client_call_notifies(self, client_hide_notifies);
2446     }
2447
2448     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2449        needs to be in IconicState. This includes when it is on another
2450        desktop!
2451     */
2452     client_change_wm_state(self);
2453 }
2454
2455 void client_showhide(ObClient *self)
2456 {
2457
2458     if (client_should_show(self)) {
2459         frame_show(self->frame);
2460     }
2461     else {
2462         frame_hide(self->frame);
2463
2464         client_call_notifies(self, client_hide_notifies);
2465     }
2466
2467     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2468        needs to be in IconicState. This includes when it is on another
2469        desktop!
2470     */
2471     client_change_wm_state(self);
2472 }
2473
2474 gboolean client_normal(ObClient *self) {
2475     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2476               self->type == OB_CLIENT_TYPE_DOCK ||
2477               self->type == OB_CLIENT_TYPE_SPLASH);
2478 }
2479
2480 gboolean client_helper(ObClient *self)
2481 {
2482     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2483             self->type == OB_CLIENT_TYPE_MENU ||
2484             self->type == OB_CLIENT_TYPE_TOOLBAR);
2485 }
2486
2487 gboolean client_mouse_focusable(ObClient *self)
2488 {
2489     return !(self->type == OB_CLIENT_TYPE_MENU ||
2490              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2491              self->type == OB_CLIENT_TYPE_SPLASH ||
2492              self->type == OB_CLIENT_TYPE_DOCK);
2493 }
2494
2495 gboolean client_enter_focusable(ObClient *self)
2496 {
2497     /* you can focus desktops but it shouldn't on enter */
2498     return (client_mouse_focusable(self) &&
2499             self->type != OB_CLIENT_TYPE_DESKTOP);
2500 }
2501
2502
2503 static void client_apply_startup_state(ObClient *self)
2504 {
2505     /* set the desktop hint, to make sure that it always exists */
2506     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2507
2508     /* these are in a carefully crafted order.. */
2509
2510     if (self->iconic) {
2511         self->iconic = FALSE;
2512         client_iconify(self, TRUE, FALSE, TRUE);
2513     }
2514     if (self->fullscreen) {
2515         self->fullscreen = FALSE;
2516         client_fullscreen(self, TRUE);
2517     }
2518     if (self->undecorated) {
2519         self->undecorated = FALSE;
2520         client_set_undecorated(self, TRUE);
2521     }
2522     if (self->shaded) {
2523         self->shaded = FALSE;
2524         client_shade(self, TRUE);
2525     }
2526     if (self->demands_attention) {
2527         self->demands_attention = FALSE;
2528         client_hilite(self, TRUE);
2529     }
2530
2531     if (self->max_vert && self->max_horz) {
2532         self->max_vert = self->max_horz = FALSE;
2533         client_maximize(self, TRUE, 0);
2534     } else if (self->max_vert) {
2535         self->max_vert = FALSE;
2536         client_maximize(self, TRUE, 2);
2537     } else if (self->max_horz) {
2538         self->max_horz = FALSE;
2539         client_maximize(self, TRUE, 1);
2540     }
2541
2542     /* nothing to do for the other states:
2543        skip_taskbar
2544        skip_pager
2545        modal
2546        above
2547        below
2548     */
2549 }
2550
2551 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2552                             gint w, gint h)
2553 {
2554     gint oldg = self->gravity;
2555
2556     /* get the frame's position from the requested stuff */
2557     self->gravity = gravity;
2558     frame_client_gravity(self->frame, x, y, w, h);
2559     self->gravity = oldg;
2560
2561     /* get the client's position in its true gravity from that */
2562     frame_frame_gravity(self->frame, x, y, w, h);
2563 }
2564
2565 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2566                           gint *logicalw, gint *logicalh,
2567                           gboolean user)
2568 {
2569     Rect desired_area = {*x, *y, *w, *h};
2570
2571     /* make the frame recalculate its dimentions n shit without changing
2572        anything visible for real, this way the constraints below can work with
2573        the updated frame dimensions. */
2574     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2575
2576     /* work within the prefered sizes given by the window */
2577     if (!(*w == self->area.width && *h == self->area.height)) {
2578         gint basew, baseh, minw, minh;
2579
2580         /* base size is substituted with min size if not specified */
2581         if (self->base_size.width || self->base_size.height) {
2582             basew = self->base_size.width;
2583             baseh = self->base_size.height;
2584         } else {
2585             basew = self->min_size.width;
2586             baseh = self->min_size.height;
2587         }
2588         /* min size is substituted with base size if not specified */
2589         if (self->min_size.width || self->min_size.height) {
2590             minw = self->min_size.width;
2591             minh = self->min_size.height;
2592         } else {
2593             minw = self->base_size.width;
2594             minh = self->base_size.height;
2595         }
2596
2597         /* if this is a user-requested resize, then check against min/max
2598            sizes */
2599
2600         /* smaller than min size or bigger than max size? */
2601         if (*w > self->max_size.width) *w = self->max_size.width;
2602         if (*w < minw) *w = minw;
2603         if (*h > self->max_size.height) *h = self->max_size.height;
2604         if (*h < minh) *h = minh;
2605
2606         *w -= basew;
2607         *h -= baseh;
2608
2609         /* keep to the increments */
2610         *w /= self->size_inc.width;
2611         *h /= self->size_inc.height;
2612
2613         /* you cannot resize to nothing */
2614         if (basew + *w < 1) *w = 1 - basew;
2615         if (baseh + *h < 1) *h = 1 - baseh;
2616
2617         /* save the logical size */
2618         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2619         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2620
2621         *w *= self->size_inc.width;
2622         *h *= self->size_inc.height;
2623
2624         *w += basew;
2625         *h += baseh;
2626
2627         /* adjust the height to match the width for the aspect ratios.
2628            for this, min size is not substituted for base size ever. */
2629         *w -= self->base_size.width;
2630         *h -= self->base_size.height;
2631
2632         if (!self->fullscreen) {
2633             if (self->min_ratio)
2634                 if (*h * self->min_ratio > *w) {
2635                     *h = (gint)(*w / self->min_ratio);
2636
2637                     /* you cannot resize to nothing */
2638                     if (*h < 1) {
2639                         *h = 1;
2640                         *w = (gint)(*h * self->min_ratio);
2641                     }
2642                 }
2643             if (self->max_ratio)
2644                 if (*h * self->max_ratio < *w) {
2645                     *h = (gint)(*w / self->max_ratio);
2646
2647                     /* you cannot resize to nothing */
2648                     if (*h < 1) {
2649                         *h = 1;
2650                         *w = (gint)(*h * self->min_ratio);
2651                     }
2652                 }
2653         }
2654
2655         *w += self->base_size.width;
2656         *h += self->base_size.height;
2657     }
2658
2659     /* gets the frame's position */
2660     frame_client_gravity(self->frame, x, y, *w, *h);
2661
2662     /* these positions are frame positions, not client positions */
2663
2664     /* set the size and position if fullscreen */
2665     if (self->fullscreen) {
2666         Rect *a;
2667         guint i;
2668
2669         i = screen_find_monitor(&desired_area);
2670         a = screen_physical_area_monitor(i);
2671
2672         *x = a->x;
2673         *y = a->y;
2674         *w = a->width;
2675         *h = a->height;
2676
2677         user = FALSE; /* ignore if the client can't be moved/resized when it
2678                          is entering fullscreen */
2679     } else if (self->max_horz || self->max_vert) {
2680         Rect *a;
2681         guint i;
2682
2683         i = screen_find_monitor(&desired_area);
2684         a = screen_area_monitor(self->desktop, i);
2685
2686         /* set the size and position if maximized */
2687         if (self->max_horz) {
2688             *x = a->x;
2689             *w = a->width - self->frame->size.left - self->frame->size.right;
2690         }
2691         if (self->max_vert) {
2692             *y = a->y;
2693             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2694         }
2695
2696         /* maximizing is not allowed if the user can't move+resize the window
2697          */
2698     }
2699
2700     /* gets the client's position */
2701     frame_frame_gravity(self->frame, x, y, *w, *h);
2702
2703     /* these override the above states! if you cant move you can't move! */
2704     if (user) {
2705         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2706             *x = self->area.x;
2707             *y = self->area.y;
2708         }
2709         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2710             *w = self->area.width;
2711             *h = self->area.height;
2712         }
2713     }
2714
2715     g_assert(*w > 0);
2716     g_assert(*h > 0);
2717 }
2718
2719
2720 void client_configure_full(ObClient *self, gint x, gint y, gint w, gint h,
2721                            gboolean user, gboolean final)
2722 {
2723     gint oldw, oldh;
2724     gboolean send_resize_client;
2725     gboolean moved = FALSE, resized = FALSE;
2726     guint fdecor = self->frame->decorations;
2727     gboolean fhorz = self->frame->max_horz;
2728     gint logicalw, logicalh;
2729
2730     /* find the new x, y, width, and height (and logical size) */
2731     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2732
2733     /* set the logical size if things changed */
2734     if (!(w == self->area.width && h == self->area.height))
2735         SIZE_SET(self->logical_size, logicalw, logicalh);
2736
2737     /* figure out if we moved or resized or what */
2738     moved = x != self->area.x || y != self->area.y;
2739     resized = w != self->area.width || h != self->area.height;
2740
2741     oldw = self->area.width;
2742     oldh = self->area.height;
2743     RECT_SET(self->area, x, y, w, h);
2744
2745     /* for app-requested resizes, always resize if 'resized' is true.
2746        for user-requested ones, only resize if final is true, or when
2747        resizing in redraw mode */
2748     send_resize_client = ((!user && resized) ||
2749                           (user && (final ||
2750                                     (resized && config_resize_redraw))));
2751
2752     /* if the client is enlarging, then resize the client before the frame */
2753     if (send_resize_client && (w > oldw || h > oldh)) {
2754         XResizeWindow(ob_display, self->window,
2755                       MAX(w, oldw), MAX(h, oldh));
2756         /* resize the plate to show the client padding color underneath */
2757         frame_adjust_client_area(self->frame);
2758     }
2759
2760     /* find the frame's dimensions and move/resize it */
2761     if (self->decorations != fdecor || self->max_horz != fhorz)
2762         moved = resized = TRUE;
2763     if (moved || resized)
2764         frame_adjust_area(self->frame, moved, resized, FALSE);
2765
2766     if ((!user || (user && final)) && !resized)
2767     {
2768         XEvent event;
2769
2770         POINT_SET(self->root_pos,
2771                   self->frame->area.x + self->frame->size.left -
2772                   self->border_width,
2773                   self->frame->area.y + self->frame->size.top -
2774                   self->border_width);
2775
2776         event.type = ConfigureNotify;
2777         event.xconfigure.display = ob_display;
2778         event.xconfigure.event = self->window;
2779         event.xconfigure.window = self->window;
2780
2781         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2782                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2783
2784         /* root window real coords */
2785         event.xconfigure.x = self->root_pos.x;
2786         event.xconfigure.y = self->root_pos.y;
2787         event.xconfigure.width = w;
2788         event.xconfigure.height = h;
2789         event.xconfigure.border_width = 0;
2790         event.xconfigure.above = self->frame->plate;
2791         event.xconfigure.override_redirect = FALSE;
2792         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2793                    FALSE, StructureNotifyMask, &event);
2794     }
2795
2796     /* if the client is shrinking, then resize the frame before the client */
2797     if (send_resize_client && (w <= oldw || h <= oldh)) {
2798         /* resize the plate to show the client padding color underneath */
2799         frame_adjust_client_area(self->frame);
2800
2801         if (send_resize_client)
2802             XResizeWindow(ob_display, self->window, w, h);
2803     }
2804
2805     XFlush(ob_display);
2806 }
2807
2808 void client_fullscreen(ObClient *self, gboolean fs)
2809 {
2810     gint x, y, w, h;
2811
2812     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2813         self->fullscreen == fs) return;                   /* already done */
2814
2815     self->fullscreen = fs;
2816     client_change_state(self); /* change the state hints on the client */
2817     client_calc_layer(self);   /* and adjust out layer/stacking */
2818
2819     if (fs) {
2820         self->pre_fullscreen_area = self->area;
2821         /* if the window is maximized, its area isn't all that meaningful.
2822            save it's premax area instead. */
2823         if (self->max_horz) {
2824             self->pre_fullscreen_area.x = self->pre_max_area.x;
2825             self->pre_fullscreen_area.width = self->pre_max_area.width;
2826         }
2827         if (self->max_vert) {
2828             self->pre_fullscreen_area.y = self->pre_max_area.y;
2829             self->pre_fullscreen_area.height = self->pre_max_area.height;
2830         }
2831
2832         /* these will help configure_full figure out where to fullscreen
2833            the window */
2834         x = self->area.x;
2835         y = self->area.y;
2836         w = self->area.width;
2837         h = self->area.height;
2838     } else {
2839         g_assert(self->pre_fullscreen_area.width > 0 &&
2840                  self->pre_fullscreen_area.height > 0);
2841
2842         x = self->pre_fullscreen_area.x;
2843         y = self->pre_fullscreen_area.y;
2844         w = self->pre_fullscreen_area.width;
2845         h = self->pre_fullscreen_area.height;
2846         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2847     }
2848
2849     client_setup_decor_and_functions(self);
2850
2851     client_move_resize(self, x, y, w, h);
2852
2853     /* try focus us when we go into fullscreen mode */
2854     client_focus(self);
2855 }
2856
2857 static void client_iconify_recursive(ObClient *self,
2858                                      gboolean iconic, gboolean curdesk,
2859                                      gboolean hide_animation)
2860 {
2861     GSList *it;
2862     gboolean changed = FALSE;
2863
2864
2865     if (self->iconic != iconic) {
2866         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2867                  self->window);
2868
2869         if (iconic) {
2870             /* don't let non-normal windows iconify along with their parents
2871                or whatever */
2872             if (client_normal(self)) {
2873                 self->iconic = iconic;
2874
2875                 /* update the focus lists.. iconic windows go to the bottom of
2876                    the list, put the new iconic window at the 'top of the
2877                    bottom'. */
2878                 focus_order_to_top(self);
2879
2880                 changed = TRUE;
2881             }
2882         } else {
2883             self->iconic = iconic;
2884
2885             if (curdesk && self->desktop != screen_desktop &&
2886                 self->desktop != DESKTOP_ALL)
2887                 client_set_desktop(self, screen_desktop, FALSE);
2888
2889             /* this puts it after the current focused window */
2890             focus_order_remove(self);
2891             focus_order_add_new(self);
2892
2893             changed = TRUE;
2894         }
2895     }
2896
2897     if (changed) {
2898         client_change_state(self);
2899         if (config_animate_iconify && !hide_animation)
2900             frame_begin_iconify_animation(self->frame, iconic);
2901         /* do this after starting the animation so it doesn't flash */
2902         client_showhide(self);
2903     }
2904
2905     /* iconify all direct transients, and deiconify all transients
2906        (non-direct too) */
2907     for (it = self->transients; it; it = g_slist_next(it))
2908         if (it->data != self)
2909             if (client_is_direct_child(self, it->data) || !iconic)
2910                 client_iconify_recursive(it->data, iconic, curdesk,
2911                                          hide_animation);
2912 }
2913
2914 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2915                     gboolean hide_animation)
2916 {
2917     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2918         /* move up the transient chain as far as possible first */
2919         self = client_search_top_normal_parent(self);
2920         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2921     }
2922 }
2923
2924 void client_maximize(ObClient *self, gboolean max, gint dir)
2925 {
2926     gint x, y, w, h;
2927
2928     g_assert(dir == 0 || dir == 1 || dir == 2);
2929     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2930
2931     /* check if already done */
2932     if (max) {
2933         if (dir == 0 && self->max_horz && self->max_vert) return;
2934         if (dir == 1 && self->max_horz) return;
2935         if (dir == 2 && self->max_vert) return;
2936     } else {
2937         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2938         if (dir == 1 && !self->max_horz) return;
2939         if (dir == 2 && !self->max_vert) return;
2940     }
2941
2942     /* these will help configure_full figure out which screen to fill with
2943        the window */
2944     x = self->area.x;
2945     y = self->area.y;
2946     w = self->area.width;
2947     h = self->area.height;
2948
2949     if (max) {
2950         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2951             RECT_SET(self->pre_max_area,
2952                      self->area.x, self->pre_max_area.y,
2953                      self->area.width, self->pre_max_area.height);
2954         }
2955         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2956             RECT_SET(self->pre_max_area,
2957                      self->pre_max_area.x, self->area.y,
2958                      self->pre_max_area.width, self->area.height);
2959         }
2960     } else {
2961         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2962             g_assert(self->pre_max_area.width > 0);
2963
2964             x = self->pre_max_area.x;
2965             w = self->pre_max_area.width;
2966
2967             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2968                      0, self->pre_max_area.height);
2969         }
2970         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2971             g_assert(self->pre_max_area.height > 0);
2972
2973             y = self->pre_max_area.y;
2974             h = self->pre_max_area.height;
2975
2976             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2977                      self->pre_max_area.width, 0);
2978         }
2979     }
2980
2981     if (dir == 0 || dir == 1) /* horz */
2982         self->max_horz = max;
2983     if (dir == 0 || dir == 2) /* vert */
2984         self->max_vert = max;
2985
2986     client_change_state(self); /* change the state hints on the client */
2987
2988     client_setup_decor_and_functions(self);
2989
2990     client_move_resize(self, x, y, w, h);
2991 }
2992
2993 void client_shade(ObClient *self, gboolean shade)
2994 {
2995     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2996          shade) ||                         /* can't shade */
2997         self->shaded == shade) return;     /* already done */
2998
2999     self->shaded = shade;
3000     client_change_state(self);
3001     client_change_wm_state(self); /* the window is being hidden/shown */
3002     /* resize the frame to just the titlebar */
3003     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3004 }
3005
3006 void client_close(ObClient *self)
3007 {
3008     XEvent ce;
3009
3010     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3011
3012     /* in the case that the client provides no means to requesting that it
3013        close, we just kill it */
3014     if (!self->delete_window)
3015         client_kill(self);
3016
3017     /*
3018       XXX: itd be cool to do timeouts and shit here for killing the client's
3019       process off
3020       like... if the window is around after 5 seconds, then the close button
3021       turns a nice red, and if this function is called again, the client is
3022       explicitly killed.
3023     */
3024
3025     ce.xclient.type = ClientMessage;
3026     ce.xclient.message_type =  prop_atoms.wm_protocols;
3027     ce.xclient.display = ob_display;
3028     ce.xclient.window = self->window;
3029     ce.xclient.format = 32;
3030     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3031     ce.xclient.data.l[1] = event_curtime;
3032     ce.xclient.data.l[2] = 0l;
3033     ce.xclient.data.l[3] = 0l;
3034     ce.xclient.data.l[4] = 0l;
3035     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3036 }
3037
3038 void client_kill(ObClient *self)
3039 {
3040     XKillClient(ob_display, self->window);
3041 }
3042
3043 void client_hilite(ObClient *self, gboolean hilite)
3044 {
3045     if (self->demands_attention == hilite)
3046         return; /* no change */
3047
3048     /* don't allow focused windows to hilite */
3049     self->demands_attention = hilite && !client_focused(self);
3050     if (self->frame != NULL) { /* if we're mapping, just set the state */
3051         if (self->demands_attention)
3052             frame_flash_start(self->frame);
3053         else
3054             frame_flash_stop(self->frame);
3055         client_change_state(self);
3056     }
3057 }
3058
3059 void client_set_desktop_recursive(ObClient *self,
3060                                   guint target,
3061                                   gboolean donthide)
3062 {
3063     guint old;
3064     GSList *it;
3065
3066     if (target != self->desktop) {
3067
3068         ob_debug("Setting desktop %u\n", target+1);
3069
3070         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3071
3072         old = self->desktop;
3073         self->desktop = target;
3074         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3075         /* the frame can display the current desktop state */
3076         frame_adjust_state(self->frame);
3077         /* 'move' the window to the new desktop */
3078         if (!donthide)
3079             client_showhide(self);
3080         /* raise if it was not already on the desktop */
3081         if (old != DESKTOP_ALL)
3082             stacking_raise(CLIENT_AS_WINDOW(self));
3083         if (STRUT_EXISTS(self->strut))
3084             screen_update_areas();
3085     }
3086
3087     /* move all transients */
3088     for (it = self->transients; it; it = g_slist_next(it))
3089         if (it->data != self)
3090             if (client_is_direct_child(self, it->data))
3091                 client_set_desktop_recursive(it->data, target, donthide);
3092 }
3093
3094 void client_set_desktop(ObClient *self, guint target,
3095                         gboolean donthide)
3096 {
3097     self = client_search_top_normal_parent(self);
3098     client_set_desktop_recursive(self, target, donthide);
3099 }
3100
3101 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3102 {
3103     while (child != parent &&
3104            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3105         child = child->transient_for;
3106     return child == parent;
3107 }
3108
3109 ObClient *client_search_modal_child(ObClient *self)
3110 {
3111     GSList *it;
3112     ObClient *ret;
3113
3114     for (it = self->transients; it; it = g_slist_next(it)) {
3115         ObClient *c = it->data;
3116         if ((ret = client_search_modal_child(c))) return ret;
3117         if (c->modal) return c;
3118     }
3119     return NULL;
3120 }
3121
3122 gboolean client_validate(ObClient *self)
3123 {
3124     XEvent e;
3125
3126     XSync(ob_display, FALSE); /* get all events on the server */
3127
3128     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3129         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3130         XPutBackEvent(ob_display, &e);
3131         return FALSE;
3132     }
3133
3134     return TRUE;
3135 }
3136
3137 void client_set_wm_state(ObClient *self, glong state)
3138 {
3139     if (state == self->wmstate) return; /* no change */
3140
3141     switch (state) {
3142     case IconicState:
3143         client_iconify(self, TRUE, TRUE, FALSE);
3144         break;
3145     case NormalState:
3146         client_iconify(self, FALSE, TRUE, FALSE);
3147         break;
3148     }
3149 }
3150
3151 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3152 {
3153     gboolean shaded = self->shaded;
3154     gboolean fullscreen = self->fullscreen;
3155     gboolean undecorated = self->undecorated;
3156     gboolean max_horz = self->max_horz;
3157     gboolean max_vert = self->max_vert;
3158     gboolean modal = self->modal;
3159     gboolean iconic = self->iconic;
3160     gboolean demands_attention = self->demands_attention;
3161     gboolean above = self->above;
3162     gboolean below = self->below;
3163     gint i;
3164
3165     if (!(action == prop_atoms.net_wm_state_add ||
3166           action == prop_atoms.net_wm_state_remove ||
3167           action == prop_atoms.net_wm_state_toggle))
3168         /* an invalid action was passed to the client message, ignore it */
3169         return;
3170
3171     for (i = 0; i < 2; ++i) {
3172         Atom state = i == 0 ? data1 : data2;
3173
3174         if (!state) continue;
3175
3176         /* if toggling, then pick whether we're adding or removing */
3177         if (action == prop_atoms.net_wm_state_toggle) {
3178             if (state == prop_atoms.net_wm_state_modal)
3179                 action = modal ? prop_atoms.net_wm_state_remove :
3180                     prop_atoms.net_wm_state_add;
3181             else if (state == prop_atoms.net_wm_state_maximized_vert)
3182                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3183                     prop_atoms.net_wm_state_add;
3184             else if (state == prop_atoms.net_wm_state_maximized_horz)
3185                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3186                     prop_atoms.net_wm_state_add;
3187             else if (state == prop_atoms.net_wm_state_shaded)
3188                 action = shaded ? prop_atoms.net_wm_state_remove :
3189                     prop_atoms.net_wm_state_add;
3190             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3191                 action = self->skip_taskbar ?
3192                     prop_atoms.net_wm_state_remove :
3193                     prop_atoms.net_wm_state_add;
3194             else if (state == prop_atoms.net_wm_state_skip_pager)
3195                 action = self->skip_pager ?
3196                     prop_atoms.net_wm_state_remove :
3197                     prop_atoms.net_wm_state_add;
3198             else if (state == prop_atoms.net_wm_state_hidden)
3199                 action = self->iconic ?
3200                     prop_atoms.net_wm_state_remove :
3201                     prop_atoms.net_wm_state_add;
3202             else if (state == prop_atoms.net_wm_state_fullscreen)
3203                 action = fullscreen ?
3204                     prop_atoms.net_wm_state_remove :
3205                     prop_atoms.net_wm_state_add;
3206             else if (state == prop_atoms.net_wm_state_above)
3207                 action = self->above ? prop_atoms.net_wm_state_remove :
3208                     prop_atoms.net_wm_state_add;
3209             else if (state == prop_atoms.net_wm_state_below)
3210                 action = self->below ? prop_atoms.net_wm_state_remove :
3211                     prop_atoms.net_wm_state_add;
3212             else if (state == prop_atoms.net_wm_state_demands_attention)
3213                 action = self->demands_attention ?
3214                     prop_atoms.net_wm_state_remove :
3215                     prop_atoms.net_wm_state_add;
3216             else if (state == prop_atoms.ob_wm_state_undecorated)
3217                 action = undecorated ? prop_atoms.net_wm_state_remove :
3218                     prop_atoms.net_wm_state_add;
3219         }
3220
3221         if (action == prop_atoms.net_wm_state_add) {
3222             if (state == prop_atoms.net_wm_state_modal) {
3223                 modal = TRUE;
3224             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3225                 max_vert = TRUE;
3226             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3227                 max_horz = TRUE;
3228             } else if (state == prop_atoms.net_wm_state_shaded) {
3229                 shaded = TRUE;
3230             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3231                 self->skip_taskbar = TRUE;
3232             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3233                 self->skip_pager = TRUE;
3234             } else if (state == prop_atoms.net_wm_state_hidden) {
3235                 iconic = TRUE;
3236             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3237                 fullscreen = TRUE;
3238             } else if (state == prop_atoms.net_wm_state_above) {
3239                 above = TRUE;
3240                 below = FALSE;
3241             } else if (state == prop_atoms.net_wm_state_below) {
3242                 above = FALSE;
3243                 below = TRUE;
3244             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3245                 demands_attention = TRUE;
3246             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3247                 undecorated = TRUE;
3248             }
3249
3250         } else { /* action == prop_atoms.net_wm_state_remove */
3251             if (state == prop_atoms.net_wm_state_modal) {
3252                 modal = FALSE;
3253             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3254                 max_vert = FALSE;
3255             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3256                 max_horz = FALSE;
3257             } else if (state == prop_atoms.net_wm_state_shaded) {
3258                 shaded = FALSE;
3259             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3260                 self->skip_taskbar = FALSE;
3261             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3262                 self->skip_pager = FALSE;
3263             } else if (state == prop_atoms.net_wm_state_hidden) {
3264                 iconic = FALSE;
3265             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3266                 fullscreen = FALSE;
3267             } else if (state == prop_atoms.net_wm_state_above) {
3268                 above = FALSE;
3269             } else if (state == prop_atoms.net_wm_state_below) {
3270                 below = FALSE;
3271             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3272                 demands_attention = FALSE;
3273             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3274                 undecorated = FALSE;
3275             }
3276         }
3277     }
3278     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3279         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3280             /* toggling both */
3281             if (max_horz == max_vert) { /* both going the same way */
3282                 client_maximize(self, max_horz, 0);
3283             } else {
3284                 client_maximize(self, max_horz, 1);
3285                 client_maximize(self, max_vert, 2);
3286             }
3287         } else {
3288             /* toggling one */
3289             if (max_horz != self->max_horz)
3290                 client_maximize(self, max_horz, 1);
3291             else
3292                 client_maximize(self, max_vert, 2);
3293         }
3294     }
3295     /* change fullscreen state before shading, as it will affect if the window
3296        can shade or not */
3297     if (fullscreen != self->fullscreen)
3298         client_fullscreen(self, fullscreen);
3299     if (shaded != self->shaded)
3300         client_shade(self, shaded);
3301     if (undecorated != self->undecorated)
3302         client_set_undecorated(self, undecorated);
3303     if (modal != self->modal) {
3304         self->modal = modal;
3305         /* when a window changes modality, then its stacking order with its
3306            transients needs to change */
3307         stacking_raise(CLIENT_AS_WINDOW(self));
3308     }
3309     if (iconic != self->iconic)
3310         client_iconify(self, iconic, FALSE, FALSE);
3311
3312     if (demands_attention != self->demands_attention)
3313         client_hilite(self, demands_attention);
3314
3315     if (above != self->above || below != self->below) {
3316         self->above = above;
3317         self->below = below;
3318         client_calc_layer(self);
3319     }
3320
3321     client_change_state(self); /* change the hint to reflect these changes */
3322 }
3323
3324 ObClient *client_focus_target(ObClient *self)
3325 {
3326     ObClient *child = NULL;
3327
3328     child = client_search_modal_child(self);
3329     if (child) return child;
3330     return self;
3331 }
3332
3333 gboolean client_can_focus(ObClient *self)
3334 {
3335     XEvent ev;
3336
3337     /* choose the correct target */
3338     self = client_focus_target(self);
3339
3340     if (!self->frame->visible)
3341         return FALSE;
3342
3343     if (!(self->can_focus || self->focus_notify))
3344         return FALSE;
3345
3346     /* do a check to see if the window has already been unmapped or destroyed
3347        do this intelligently while watching out for unmaps we've generated
3348        (ignore_unmaps > 0) */
3349     if (XCheckTypedWindowEvent(ob_display, self->window,
3350                                DestroyNotify, &ev)) {
3351         XPutBackEvent(ob_display, &ev);
3352         return FALSE;
3353     }
3354     while (XCheckTypedWindowEvent(ob_display, self->window,
3355                                   UnmapNotify, &ev)) {
3356         if (self->ignore_unmaps) {
3357             self->ignore_unmaps--;
3358         } else {
3359             XPutBackEvent(ob_display, &ev);
3360             return FALSE;
3361         }
3362     }
3363
3364     return TRUE;
3365 }
3366
3367 gboolean client_focus(ObClient *self)
3368 {
3369     /* choose the correct target */
3370     self = client_focus_target(self);
3371
3372     if (!client_can_focus(self)) {
3373         if (!self->frame->visible) {
3374             /* update the focus lists */
3375             focus_order_to_top(self);
3376         }
3377         return FALSE;
3378     }
3379
3380     ob_debug_type(OB_DEBUG_FOCUS,
3381                   "Focusing client \"%s\" at time %u\n",
3382                   self->title, event_curtime);
3383
3384     /* if there is a grab going on, then we need to cancel it. if we move
3385        focus during the grab, applications will get NotifyWhileGrabbed events
3386        and ignore them !
3387
3388        actions should not rely on being able to move focus during an
3389        interactive grab.
3390     */
3391     if (keyboard_interactively_grabbed())
3392         keyboard_interactive_cancel();
3393
3394     if (self->can_focus) {
3395         /* This can cause a BadMatch error with CurrentTime, or if an app
3396            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3397         xerror_set_ignore(TRUE);
3398         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3399                        event_curtime);
3400         xerror_set_ignore(FALSE);
3401     }
3402
3403     if (self->focus_notify) {
3404         XEvent ce;
3405         ce.xclient.type = ClientMessage;
3406         ce.xclient.message_type = prop_atoms.wm_protocols;
3407         ce.xclient.display = ob_display;
3408         ce.xclient.window = self->window;
3409         ce.xclient.format = 32;
3410         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3411         ce.xclient.data.l[1] = event_curtime;
3412         ce.xclient.data.l[2] = 0l;
3413         ce.xclient.data.l[3] = 0l;
3414         ce.xclient.data.l[4] = 0l;
3415         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3416     }
3417
3418 #ifdef DEBUG_FOCUS
3419     ob_debug("%sively focusing %lx at %d\n",
3420              (self->can_focus ? "act" : "pass"),
3421              self->window, (gint) event_curtime);
3422 #endif
3423
3424     /* Cause the FocusIn to come back to us. Important for desktop switches,
3425        since otherwise we'll have no FocusIn on the queue and send it off to
3426        the focus_backup. */
3427     XSync(ob_display, FALSE);
3428     return TRUE;
3429 }
3430
3431 /*! Present the client to the user.
3432   @param raise If the client should be raised or not. You should only set
3433                raise to false if you don't care if the window is completely
3434                hidden.
3435 */
3436 static void client_present(ObClient *self, gboolean here, gboolean raise)
3437 {
3438     /* if using focus_delay, stop the timer now so that focus doesn't
3439        go moving on us */
3440     event_halt_focus_delay();
3441
3442     if (client_normal(self) && screen_showing_desktop)
3443         screen_show_desktop(FALSE, self);
3444     if (self->iconic)
3445         client_iconify(self, FALSE, here, FALSE);
3446     if (self->desktop != DESKTOP_ALL &&
3447         self->desktop != screen_desktop)
3448     {
3449         if (here)
3450             client_set_desktop(self, screen_desktop, FALSE);
3451         else
3452             screen_set_desktop(self->desktop, FALSE);
3453     } else if (!self->frame->visible)
3454         /* if its not visible for other reasons, then don't mess
3455            with it */
3456         return;
3457     if (self->shaded)
3458         client_shade(self, FALSE);
3459     if (raise)
3460         stacking_raise(CLIENT_AS_WINDOW(self));
3461
3462     client_focus(self);
3463 }
3464
3465 void client_activate(ObClient *self, gboolean here, gboolean user)
3466 {
3467     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3468     gboolean allow = FALSE;
3469
3470     /* if the request came from the user, or if nothing is focused, then grant
3471        the request.
3472        if the currently focused app doesn't set a user_time, then it can't
3473        benefit from any focus stealing prevention.
3474     */
3475     if (user || !focus_client || !last_time)
3476         allow = TRUE;
3477     /* otherwise, if they didn't give a time stamp or if it is too old, they
3478        don't get focus */
3479     else
3480         allow = event_curtime && event_time_after(event_curtime, last_time);
3481
3482     ob_debug_type(OB_DEBUG_FOCUS,
3483                   "Want to activate window 0x%x with time %u (last time %u), "
3484                   "source=%s allowing? %d\n",
3485                   self->window, event_curtime, last_time,
3486                   (user ? "user" : "application"), allow);
3487
3488     if (allow) {
3489         if (event_curtime != CurrentTime)
3490             self->user_time = event_curtime;
3491
3492         client_present(self, here, TRUE);
3493     } else
3494         /* don't focus it but tell the user it wants attention */
3495         client_hilite(self, TRUE);
3496 }
3497
3498 static void client_bring_helper_windows_recursive(ObClient *self,
3499                                                   guint desktop)
3500 {
3501     GSList *it;
3502
3503     for (it = self->transients; it; it = g_slist_next(it))
3504         client_bring_helper_windows_recursive(it->data, desktop);
3505
3506     if (client_helper(self) &&
3507         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3508     {
3509         client_set_desktop(self, desktop, FALSE);
3510     }
3511 }
3512
3513 void client_bring_helper_windows(ObClient *self)
3514 {
3515     client_bring_helper_windows_recursive(self, self->desktop);
3516 }
3517
3518 gboolean client_focused(ObClient *self)
3519 {
3520     return self == focus_client;
3521 }
3522
3523 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3524 {
3525     guint i;
3526     gulong min_diff, min_i;
3527
3528     if (!self->nicons) {
3529         ObClientIcon *parent = NULL;
3530
3531         if (self->transient_for) {
3532             if (self->transient_for != OB_TRAN_GROUP)
3533                 parent = client_icon_recursive(self->transient_for, w, h);
3534             else {
3535                 GSList *it;
3536                 for (it = self->group->members; it; it = g_slist_next(it)) {
3537                     ObClient *c = it->data;
3538                     if (c != self && !c->transient_for) {
3539                         if ((parent = client_icon_recursive(c, w, h)))
3540                             break;
3541                     }
3542                 }
3543             }
3544         }
3545
3546         return parent;
3547     }
3548
3549     /* some kind of crappy approximation to find the icon closest in size to
3550        what we requested, but icons are generally all the same ratio as
3551        eachother so it's good enough. */
3552
3553     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3554     min_i = 0;
3555
3556     for (i = 1; i < self->nicons; ++i) {
3557         gulong diff;
3558
3559         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3560         if (diff < min_diff) {
3561             min_diff = diff;
3562             min_i = i;
3563         }
3564     }
3565     return &self->icons[min_i];
3566 }
3567
3568 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3569 {
3570     ObClientIcon *ret;
3571     static ObClientIcon deficon;
3572
3573     if (!(ret = client_icon_recursive(self, w, h))) {
3574         deficon.width = deficon.height = 48;
3575         deficon.data = ob_rr_theme->def_win_icon;
3576         ret = &deficon;
3577     }
3578     return ret;
3579 }
3580
3581 void client_set_layer(ObClient *self, gint layer)
3582 {
3583     if (layer < 0) {
3584         self->below = TRUE;
3585         self->above = FALSE;
3586     } else if (layer == 0) {
3587         self->below = self->above = FALSE;
3588     } else {
3589         self->below = FALSE;
3590         self->above = TRUE;
3591     }
3592     client_calc_layer(self);
3593     client_change_state(self); /* reflect this in the state hints */
3594 }
3595
3596 void client_set_undecorated(ObClient *self, gboolean undecorated)
3597 {
3598     if (self->undecorated != undecorated) {
3599         self->undecorated = undecorated;
3600         client_setup_decor_and_functions(self);
3601         /* Make sure the client knows it might have moved. Maybe there is a
3602          * better way of doing this so only one client_configure is sent, but
3603          * since 125 of these are sent per second when moving the window (with
3604          * user = FALSE) i doubt it matters much.
3605          */
3606         client_configure(self, self->area.x, self->area.y,
3607                          self->area.width, self->area.height, TRUE, TRUE);
3608         client_change_state(self); /* reflect this in the state hints */
3609     }
3610 }
3611
3612 guint client_monitor(ObClient *self)
3613 {
3614     return screen_find_monitor(&self->frame->area);
3615 }
3616
3617 ObClient *client_search_top_normal_parent(ObClient *self)
3618 {
3619     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3620            client_normal(self->transient_for))
3621         self = self->transient_for;
3622     return self;
3623 }
3624
3625 static GSList *client_search_all_top_parents_internal(ObClient *self,
3626                                                       gboolean bylayer,
3627                                                       ObStackingLayer layer)
3628 {
3629     GSList *ret = NULL;
3630
3631     /* move up the direct transient chain as far as possible */
3632     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3633            (!bylayer || self->transient_for->layer == layer) &&
3634            client_normal(self->transient_for))
3635         self = self->transient_for;
3636
3637     if (!self->transient_for)
3638         ret = g_slist_prepend(ret, self);
3639     else {
3640             GSList *it;
3641
3642             g_assert(self->group);
3643
3644             for (it = self->group->members; it; it = g_slist_next(it)) {
3645                 ObClient *c = it->data;
3646
3647                 if (!c->transient_for && client_normal(c) &&
3648                     (!bylayer || c->layer == layer))
3649                 {
3650                     ret = g_slist_prepend(ret, c);
3651                 }
3652             }
3653
3654             if (ret == NULL) /* no group parents */
3655                 ret = g_slist_prepend(ret, self);
3656     }
3657
3658     return ret;
3659 }
3660
3661 GSList *client_search_all_top_parents(ObClient *self)
3662 {
3663     return client_search_all_top_parents_internal(self, FALSE, 0);
3664 }
3665
3666 GSList *client_search_all_top_parents_layer(ObClient *self)
3667 {
3668     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3669 }
3670
3671 ObClient *client_search_focus_parent(ObClient *self)
3672 {
3673     if (self->transient_for) {
3674         if (self->transient_for != OB_TRAN_GROUP) {
3675             if (client_focused(self->transient_for))
3676                 return self->transient_for;
3677         } else {
3678             GSList *it;
3679
3680             for (it = self->group->members; it; it = g_slist_next(it)) {
3681                 ObClient *c = it->data;
3682
3683                 /* checking transient_for prevents infinate loops! */
3684                 if (c != self && !c->transient_for)
3685                     if (client_focused(c))
3686                         return c;
3687             }
3688         }
3689     }
3690
3691     return NULL;
3692 }
3693
3694 ObClient *client_search_parent(ObClient *self, ObClient *search)
3695 {
3696     if (self->transient_for) {
3697         if (self->transient_for != OB_TRAN_GROUP) {
3698             if (self->transient_for == search)
3699                 return search;
3700         } else {
3701             GSList *it;
3702
3703             for (it = self->group->members; it; it = g_slist_next(it)) {
3704                 ObClient *c = it->data;
3705
3706                 /* checking transient_for prevents infinate loops! */
3707                 if (c != self && !c->transient_for)
3708                     if (c == search)
3709                         return search;
3710             }
3711         }
3712     }
3713
3714     return NULL;
3715 }
3716
3717 ObClient *client_search_transient(ObClient *self, ObClient *search)
3718 {
3719     GSList *sit;
3720
3721     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3722         if (sit->data == search)
3723             return search;
3724         if (client_search_transient(sit->data, search))
3725             return search;
3726     }
3727     return NULL;
3728 }
3729
3730 #define WANT_EDGE(cur, c) \
3731             if(cur == c)                                                      \
3732                 continue;                                                     \
3733             if(!client_normal(cur))                                           \
3734                 continue;                                                     \
3735             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3736                 continue;                                                     \
3737             if(cur->iconic)                                                   \
3738                 continue;
3739
3740 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3741             if ((his_edge_start >= my_edge_start && \
3742                  his_edge_start <= my_edge_end) ||  \
3743                 (my_edge_start >= his_edge_start && \
3744                  my_edge_start <= his_edge_end))    \
3745                 dest = his_offset;
3746
3747 /* finds the nearest edge in the given direction from the current client
3748  * note to self: the edge is the -frame- edge (the actual one), not the
3749  * client edge.
3750  */
3751 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3752 {
3753     gint dest, monitor_dest;
3754     gint my_edge_start, my_edge_end, my_offset;
3755     GList *it;
3756     Rect *a, *monitor;
3757
3758     if(!client_list)
3759         return -1;
3760
3761     a = screen_area(c->desktop);
3762     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3763
3764     switch(dir) {
3765     case OB_DIRECTION_NORTH:
3766         my_edge_start = c->frame->area.x;
3767         my_edge_end = c->frame->area.x + c->frame->area.width;
3768         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3769
3770         /* default: top of screen */
3771         dest = a->y + (hang ? c->frame->area.height : 0);
3772         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3773         /* if the monitor edge comes before the screen edge, */
3774         /* use that as the destination instead. (For xinerama) */
3775         if (monitor_dest != dest && my_offset > monitor_dest)
3776             dest = monitor_dest;
3777
3778         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3779             gint his_edge_start, his_edge_end, his_offset;
3780             ObClient *cur = it->data;
3781
3782             WANT_EDGE(cur, c)
3783
3784             his_edge_start = cur->frame->area.x;
3785             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3786             his_offset = cur->frame->area.y +
3787                          (hang ? 0 : cur->frame->area.height);
3788
3789             if(his_offset + 1 > my_offset)
3790                 continue;
3791
3792             if(his_offset < dest)
3793                 continue;
3794
3795             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3796         }
3797         break;
3798     case OB_DIRECTION_SOUTH:
3799         my_edge_start = c->frame->area.x;
3800         my_edge_end = c->frame->area.x + c->frame->area.width;
3801         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3802
3803         /* default: bottom of screen */
3804         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3805         monitor_dest = monitor->y + monitor->height -
3806                        (hang ? c->frame->area.height : 0);
3807         /* if the monitor edge comes before the screen edge, */
3808         /* use that as the destination instead. (For xinerama) */
3809         if (monitor_dest != dest && my_offset < monitor_dest)
3810             dest = monitor_dest;
3811
3812         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3813             gint his_edge_start, his_edge_end, his_offset;
3814             ObClient *cur = it->data;
3815
3816             WANT_EDGE(cur, c)
3817
3818             his_edge_start = cur->frame->area.x;
3819             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3820             his_offset = cur->frame->area.y +
3821                          (hang ? cur->frame->area.height : 0);
3822
3823
3824             if(his_offset - 1 < my_offset)
3825                 continue;
3826
3827             if(his_offset > dest)
3828                 continue;
3829
3830             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3831         }
3832         break;
3833     case OB_DIRECTION_WEST:
3834         my_edge_start = c->frame->area.y;
3835         my_edge_end = c->frame->area.y + c->frame->area.height;
3836         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3837
3838         /* default: leftmost egde of screen */
3839         dest = a->x + (hang ? c->frame->area.width : 0);
3840         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3841         /* if the monitor edge comes before the screen edge, */
3842         /* use that as the destination instead. (For xinerama) */
3843         if (monitor_dest != dest && my_offset > monitor_dest)
3844             dest = monitor_dest;
3845
3846         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3847             gint his_edge_start, his_edge_end, his_offset;
3848             ObClient *cur = it->data;
3849
3850             WANT_EDGE(cur, c)
3851
3852             his_edge_start = cur->frame->area.y;
3853             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3854             his_offset = cur->frame->area.x +
3855                          (hang ? 0 : cur->frame->area.width);
3856
3857             if(his_offset + 1 > my_offset)
3858                 continue;
3859
3860             if(his_offset < dest)
3861                 continue;
3862
3863             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3864         }
3865        break;
3866     case OB_DIRECTION_EAST:
3867         my_edge_start = c->frame->area.y;
3868         my_edge_end = c->frame->area.y + c->frame->area.height;
3869         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3870
3871         /* default: rightmost edge of screen */
3872         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3873         monitor_dest = monitor->x + monitor->width -
3874                        (hang ? c->frame->area.width : 0);
3875         /* if the monitor edge comes before the screen edge, */
3876         /* use that as the destination instead. (For xinerama) */
3877         if (monitor_dest != dest && my_offset < monitor_dest)
3878             dest = monitor_dest;
3879
3880         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3881             gint his_edge_start, his_edge_end, his_offset;
3882             ObClient *cur = it->data;
3883
3884             WANT_EDGE(cur, c)
3885
3886             his_edge_start = cur->frame->area.y;
3887             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3888             his_offset = cur->frame->area.x +
3889                          (hang ? cur->frame->area.width : 0);
3890
3891             if(his_offset - 1 < my_offset)
3892                 continue;
3893
3894             if(his_offset > dest)
3895                 continue;
3896
3897             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3898         }
3899         break;
3900     case OB_DIRECTION_NORTHEAST:
3901     case OB_DIRECTION_SOUTHEAST:
3902     case OB_DIRECTION_NORTHWEST:
3903     case OB_DIRECTION_SOUTHWEST:
3904         /* not implemented */
3905     default:
3906         g_assert_not_reached();
3907         dest = 0; /* suppress warning */
3908     }
3909     return dest;
3910 }
3911
3912 ObClient* client_under_pointer()
3913 {
3914     gint x, y;
3915     GList *it;
3916     ObClient *ret = NULL;
3917
3918     if (screen_pointer_pos(&x, &y)) {
3919         for (it = stacking_list; it; it = g_list_next(it)) {
3920             if (WINDOW_IS_CLIENT(it->data)) {
3921                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3922                 if (c->frame->visible &&
3923                     /* ignore all animating windows */
3924                     !frame_iconify_animating(c->frame) &&
3925                     RECT_CONTAINS(c->frame->area, x, y))
3926                 {
3927                     ret = c;
3928                     break;
3929                 }
3930             }
3931         }
3932     }
3933     return ret;
3934 }
3935
3936 gboolean client_has_group_siblings(ObClient *self)
3937 {
3938     return self->group && self->group->members->next;
3939 }