openbox/client.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "client.h"
  21 #include "debug.h"
  22 #include "startupnotify.h"
  23 #include "dock.h"
  24 #include "xerror.h"
  25 #include "screen.h"
  26 #include "moveresize.h"
  27 #include "place.h"
  28 #include "prop.h"
  29 #include "extensions.h"
  30 #include "frame.h"
  31 #include "session.h"
  32 #include "event.h"
  33 #include "grab.h"
  34 #include "focus.h"
  35 #include "propwin.h"
  36 #include "stacking.h"
  37 #include "openbox.h"
  38 #include "group.h"
  39 #include "config.h"
  40 #include "menuframe.h"
  41 #include "keyboard.h"
  42 #include "mouse.h"
  43 #include "render/render.h"
  44
  45 #ifdef HAVE_UNISTD_H
  46 #  include <unistd.h>
  47 #endif
  48
  49 #include <glib.h>
  50 #include <X11/Xutil.h>
  51
  52 /*! The event mask to grab on client windows */
  53 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  54                           ColormapChangeMask)
  55
  56 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  57                                 ButtonMotionMask)
  58
  59 typedef struct
  60 {
  61     ObClientCallback func;
  62     gpointer data;
  63 } ClientCallback;
  64
  65 GList            *client_list          = NULL;
  66
  67 static GSList *client_destroy_notifies = NULL;
  68
  69 static void client_get_all(ObClient *self, gboolean real);
  70 static void client_toggle_border(ObClient *self, gboolean show);
  71 static void client_get_startup_id(ObClient *self);
  72 static void client_get_session_ids(ObClient *self);
  73 static void client_get_area(ObClient *self);
  74 static void client_get_desktop(ObClient *self);
  75 static void client_get_state(ObClient *self);
  76 static void client_get_shaped(ObClient *self);
  77 static void client_get_mwm_hints(ObClient *self);
  78 static void client_get_colormap(ObClient *self);
  79 static void client_change_allowed_actions(ObClient *self);
  80 static void client_change_state(ObClient *self);
  81 static void client_change_wm_state(ObClient *self);
  82 static void client_apply_startup_state(ObClient *self);
  83 static void client_restore_session_state(ObClient *self);
  84 static gboolean client_restore_session_stacking(ObClient *self);
  85 static ObAppSettings *client_get_settings_state(ObClient *self);
  86 static void client_update_transient_tree(ObClient *self,
  87                                          ObGroup *oldgroup, ObGroup *newgroup,
  88                                          ObClient* oldparent,
  89                                          ObClient *newparent);
  90 static void client_present(ObClient *self, gboolean here, gboolean raise);
  91 static GSList *client_search_all_top_parents_internal(ObClient *self,
  92                                                       gboolean bylayer,
  93                                                       ObStackingLayer layer);
  94 static void client_call_notifies(ObClient *self, GSList *list);
  95
  96 void client_startup(gboolean reconfig)
  97 {
  98     if (reconfig) return;
  99
 100     client_set_list();
 101 }
 102
 103 void client_shutdown(gboolean reconfig)
 104 {
 105     if (reconfig) return;
 106 }
 107
 108 static void client_call_notifies(ObClient *self, GSList *list)
 109 {
 110     GSList *it;
 111
 112     for (it = list; it; it = g_slist_next(it)) {
 113         ClientCallback *d = it->data;
 114         d->func(self, d->data);
 115     }
 116 }
 117
 118 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 119 {
 120     ClientCallback *d = g_new(ClientCallback, 1);
 121     d->func = func;
 122     d->data = data;
 123     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 124 }
 125
 126 void client_remove_destroy_notify(ObClientCallback func)
 127 {
 128     GSList *it;
 129
 130     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 131         ClientCallback *d = it->data;
 132         if (d->func == func) {
 133             g_free(d);
 134             client_destroy_notifies =
 135                 g_slist_delete_link(client_destroy_notifies, it);
 136             break;
 137         }
 138     }
 139 }
 140
 141 void client_set_list()
 142 {
 143     Window *windows, *win_it;
 144     GList *it;
 145     guint size = g_list_length(client_list);
 146
 147     /* create an array of the window ids */
 148     if (size > 0) {
 149         windows = g_new(Window, size);
 150         win_it = windows;
 151         for (it = client_list; it; it = g_list_next(it), ++win_it)
 152             *win_it = ((ObClient*)it->data)->window;
 153     } else
 154         windows = NULL;
 155
 156     PROP_SETA32(RootWindow(ob_display, ob_screen),
 157                 net_client_list, window, (gulong*)windows, size);
 158
 159     if (windows)
 160         g_free(windows);
 161
 162     stacking_set_list();
 163 }
 164
 165 /*
 166   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 167   {
 168   GSList *it;
 169
 170   for (it = self->transients; it; it = g_slist_next(it)) {
 171   if (!func(it->data, data)) return;
 172   client_foreach_transient(it->data, func, data);
 173   }
 174   }
 175
 176   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 177   {
 178   if (self->transient_for) {
 179   if (self->transient_for != OB_TRAN_GROUP) {
 180   if (!func(self->transient_for, data)) return;
 181   client_foreach_ancestor(self->transient_for, func, data);
 182   } else {
 183   GSList *it;
 184
 185   for (it = self->group->members; it; it = g_slist_next(it))
 186   if (it->data != self &&
 187   !((ObClient*)it->data)->transient_for) {
 188   if (!func(it->data, data)) return;
 189   client_foreach_ancestor(it->data, func, data);
 190   }
 191   }
 192   }
 193   }
 194 */
 195
 196 void client_manage_all()
 197 {
 198     guint i, j, nchild;
 199     Window w, *children;
 200     XWMHints *wmhints;
 201     XWindowAttributes attrib;
 202
 203     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 204                &w, &w, &children, &nchild);
 205
 206     /* remove all icon windows from the list */
 207     for (i = 0; i < nchild; i++) {
 208         if (children[i] == None) continue;
 209         wmhints = XGetWMHints(ob_display, children[i]);
 210         if (wmhints) {
 211             if ((wmhints->flags & IconWindowHint) &&
 212                 (wmhints->icon_window != children[i]))
 213                 for (j = 0; j < nchild; j++)
 214                     if (children[j] == wmhints->icon_window) {
 215                         children[j] = None;
 216                         break;
 217                     }
 218             XFree(wmhints);
 219         }
 220     }
 221
 222     for (i = 0; i < nchild; ++i) {
 223         if (children[i] == None)
 224             continue;
 225         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 226             if (attrib.override_redirect) continue;
 227
 228             if (attrib.map_state != IsUnmapped)
 229                 client_manage(children[i]);
 230         }
 231     }
 232     XFree(children);
 233 }
 234
 235 void client_manage(Window window)
 236 {
 237     ObClient *self;
 238     XEvent e;
 239     XWindowAttributes attrib;
 240     XSetWindowAttributes attrib_set;
 241     XWMHints *wmhint;
 242     gboolean activate = FALSE;
 243     ObAppSettings *settings;
 244     gint placex, placey;
 245
 246     grab_server(TRUE);
 247
 248     /* check if it has already been unmapped by the time we started
 249        mapping. the grab does a sync so we don't have to here */
 250     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 251         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 252     {
 253         XPutBackEvent(ob_display, &e);
 254
 255         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 256         grab_server(FALSE);
 257         return; /* don't manage it */
 258     }
 259
 260     /* make sure it isn't an override-redirect window */
 261     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 262         attrib.override_redirect)
 263     {
 264         grab_server(FALSE);
 265         return; /* don't manage it */
 266     }
 267
 268     /* is the window a docking app */
 269     if ((wmhint = XGetWMHints(ob_display, window))) {
 270         if ((wmhint->flags & StateHint) &&
 271             wmhint->initial_state == WithdrawnState)
 272         {
 273             dock_add(window, wmhint);
 274             grab_server(FALSE);
 275             XFree(wmhint);
 276             return;
 277         }
 278         XFree(wmhint);
 279     }
 280
 281     ob_debug("Managing window: %lx\n", window);
 282
 283     /* choose the events we want to receive on the CLIENT window */
 284     attrib_set.event_mask = CLIENT_EVENTMASK;
 285     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 286     XChangeWindowAttributes(ob_display, window,
 287                             CWEventMask|CWDontPropagate, &attrib_set);
 288
 289     /* create the ObClient struct, and populate it from the hints on the
 290        window */
 291     self = g_new0(ObClient, 1);
 292     self->obwin.type = Window_Client;
 293     self->window = window;
 294
 295     /* non-zero defaults */
 296     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 297     self->gravity = NorthWestGravity;
 298     self->desktop = screen_num_desktops; /* always an invalid value */
 299     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 300
 301     /* get all the stuff off the window */
 302     client_get_all(self, TRUE);
 303
 304     /* specify that if we exit, the window should not be destroyed and
 305        should be reparented back to root automatically */
 306     XChangeSaveSet(ob_display, window, SetModeInsert);
 307
 308     /* create the decoration frame for the client window */
 309     self->frame = frame_new(self);
 310
 311     frame_grab_client(self->frame);
 312
 313     /* we've grabbed everything and set everything that we need to at mapping
 314        time now */
 315     grab_server(FALSE);
 316
 317     /* per-app settings override stuff from client_get_all, and return the
 318        settings for other uses too. the returned settings is a shallow copy,
 319        that needs to be freed with g_free(). */
 320     settings = client_get_settings_state(self);
 321     /* the session should get the last say thought */
 322     client_restore_session_state(self);
 323
 324     /* now we have all of the window's information so we can set this up */
 325     client_setup_decor_and_functions(self);
 326
 327     /* remove the client's border (and adjust re gravity) */
 328     client_toggle_border(self, FALSE);
 329
 330     {
 331         Time t = sn_app_started(self->startup_id, self->class);
 332         if (t) self->user_time = t;
 333     }
 334
 335     /* do this after we have a frame.. it uses the frame to help determine the
 336        WM_STATE to apply. */
 337     client_change_state(self);
 338
 339     /* add ourselves to the focus order */
 340     focus_order_add_new(self);
 341
 342     /* do this to add ourselves to the stacking list in a non-intrusive way */
 343     client_calc_layer(self);
 344
 345     /* focus the new window? */
 346     if (ob_state() != OB_STATE_STARTING &&
 347         (!self->session || self->session->focused) &&
 348         !self->iconic &&
 349         /* this means focus=true for window is same as config_focus_new=true */
 350         ((config_focus_new || (settings && settings->focus == 1)) ||
 351          client_search_focus_parent(self)) &&
 352         /* this checks for focus=false for the window */
 353         (!settings || settings->focus != 0) &&
 354         /* note the check against Type_Normal/Dialog, not client_normal(self),
 355            which would also include other types. in this case we want more
 356            strict rules for focus */
 357         (self->type == OB_CLIENT_TYPE_NORMAL ||
 358          self->type == OB_CLIENT_TYPE_DIALOG))
 359     {
 360         activate = TRUE;
 361     }
 362
 363     /* adjust the frame to the client's size before showing or placing
 364        the window */
 365     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 366     frame_adjust_client_area(self->frame);
 367
 368     /* where the frame was placed is where the window was originally */
 369     placex = self->area.x;
 370     placey = self->area.y;
 371
 372     /* figure out placement for the window */
 373     if (ob_state() == OB_STATE_RUNNING) {
 374         gboolean transient;
 375
 376         ob_debug("Positioned: %s @ %d %d\n",
 377                  (!self->positioned ? "no" :
 378                   (self->positioned == PPosition ? "program specified" :
 379                    (self->positioned == USPosition ? "user specified" :
 380                     "BADNESS !?"))), self->area.x, self->area.y);
 381
 382         transient = place_client(self, &placex, &placey, settings);
 383
 384         /* make sure the window is visible. */
 385         client_find_onscreen(self, &placex, &placey,
 386                              self->area.width, self->area.height,
 387                              /* non-normal clients has less rules, and
 388                                 windows that are being restored from a
 389                                 session do also. we can assume you want
 390                                 it back where you saved it. Clients saying
 391                                 they placed themselves are subjected to
 392                                 harder rules, ones that are placed by
 393                                 place.c or by the user are allowed partially
 394                                 off-screen and on xinerama divides (ie,
 395                                 it is up to the placement routines to avoid
 396                                 the xinerama divides) */
 397                              transient ||
 398                              (((self->positioned & PPosition) &&
 399                                !(self->positioned & USPosition)) &&
 400                               client_normal(self) &&
 401                               !self->session));
 402     }
 403
 404     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 405              self->window, placex, placey,
 406              self->area.width, self->area.height);
 407     if (self->session)
 408         ob_debug("  but session requested %d %d instead, overriding\n",
 409                  self->session->x, self->session->y);
 410
 411     /* do this after the window is placed, so the premax/prefullscreen numbers
 412        won't be all wacko!!
 413        also, this moves the window to the position where it has been placed
 414     */
 415     client_apply_startup_state(self);
 416
 417     /* move the client to its placed position, or it it's already there,
 418        generate a ConfigureNotify telling the client where it is.
 419
 420        do this after adjusting the frame. otherwise it gets all weird and
 421        clients don't work right
 422
 423        also do this after applying the startup state so maximize and fullscreen
 424        will get the right sizes and positions if the client is starting with
 425        those states
 426     */
 427     client_configure(self, placex, placey,
 428                      self->area.width, self->area.height,
 429                      FALSE, TRUE);
 430
 431
 432     if (activate) {
 433         guint32 last_time = focus_client ?
 434             focus_client->user_time : CurrentTime;
 435
 436         /* This is focus stealing prevention */
 437         ob_debug_type(OB_DEBUG_FOCUS,
 438                       "Want to focus new window 0x%x with time %u "
 439                       "(last time %u)\n",
 440                       self->window, self->user_time, last_time);
 441
 442         /* if it's on another desktop */
 443         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 444             && /* the timestamp is from before you changed desktops */
 445             self->user_time && screen_desktop_user_time &&
 446             !event_time_after(self->user_time, screen_desktop_user_time))
 447         {
 448             activate = FALSE;
 449             ob_debug_type(OB_DEBUG_FOCUS,
 450                           "Not focusing the window because its on another "
 451                           "desktop\n");
 452         }
 453         /* If something is focused, and it's not our parent... */
 454         else if (focus_client && client_search_focus_parent(self) == NULL)
 455         {
 456             /* If time stamp is old, don't steal focus */
 457             if (self->user_time && last_time &&
 458                 !event_time_after(self->user_time, last_time))
 459             {
 460                 activate = FALSE;
 461                 ob_debug_type(OB_DEBUG_FOCUS,
 462                               "Not focusing the window because the time is "
 463                               "too old\n");
 464             }
 465             /* Don't steal focus from globally active clients.
 466                I stole this idea from KWin. It seems nice.
 467              */
 468             if (!(focus_client->can_focus || focus_client->focus_notify)) {
 469                 activate = FALSE;
 470                 ob_debug_type(OB_DEBUG_FOCUS,
 471                               "Not focusing the window because a globally "
 472                               "active client has focus\n");
 473             }
 474         }
 475
 476         if (!activate) {
 477             ob_debug_type(OB_DEBUG_FOCUS,
 478                           "Focus stealing prevention activated for %s with "
 479                           "time %u (last time %u)\n",
 480                           self->title, self->user_time, last_time);
 481             /* if the client isn't focused, then hilite it so the user
 482                knows it is there */
 483             client_hilite(self, TRUE);
 484         }
 485     }
 486     else {
 487         /* This may look rather odd. Well it's because new windows are added
 488            to the stacking order non-intrusively. If we're not going to focus
 489            the new window or hilite it, then we raise it to the top. This will
 490            take affect for things that don't get focused like splash screens.
 491            Also if you don't have focus_new enabled, then it's going to get
 492            raised to the top. Legacy begets legacy I guess?
 493         */
 494         if (!client_restore_session_stacking(self))
 495             stacking_raise(CLIENT_AS_WINDOW(self));
 496     }
 497
 498     mouse_grab_for_client(self, TRUE);
 499
 500     /* this has to happen before we try focus the window, but we want it to
 501        happen after the client's stacking has been determined or it looks bad
 502     */
 503     client_show(self);
 504
 505     if (activate) {
 506         gboolean stacked = client_restore_session_stacking(self);
 507         client_present(self, FALSE, !stacked);
 508     }
 509
 510     /* add to client list/map */
 511     client_list = g_list_append(client_list, self);
 512     g_hash_table_insert(window_map, &self->window, self);
 513
 514     /* this has to happen after we're in the client_list */
 515     if (STRUT_EXISTS(self->strut))
 516         screen_update_areas();
 517
 518     /* update the list hints */
 519     client_set_list();
 520
 521     /* free the ObAppSettings shallow copy */
 522     g_free(settings);
 523
 524     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 525              window, self->frame->plate, self->class);
 526
 527     return;
 528 }
 529
 530
 531 ObClient *client_fake_manage(Window window)
 532 {
 533     ObClient *self;
 534     ObAppSettings *settings;
 535
 536     ob_debug("Pretend-managing window: %lx\n", window);
 537
 538     /* do this minimal stuff to figure out the client's decorations */
 539
 540     self = g_new0(ObClient, 1);
 541     self->window = window;
 542
 543     client_get_all(self, FALSE);
 544     /* per-app settings override stuff, and return the settings for other
 545        uses too. this returns a shallow copy that needs to be freed */
 546     settings = client_get_settings_state(self);
 547
 548     client_setup_decor_and_functions(self);
 549
 550     /* create the decoration frame for the client window and adjust its size */
 551     self->frame = frame_new(self);
 552     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 553
 554     /* free the ObAppSettings shallow copy */
 555     g_free(settings);
 556
 557     return self;
 558 }
 559
 560 void client_unmanage_all()
 561 {
 562     while (client_list != NULL)
 563         client_unmanage(client_list->data);
 564 }
 565
 566 void client_unmanage(ObClient *self)
 567 {
 568     guint j;
 569     GSList *it;
 570
 571     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 572              self->window, self->frame->plate,
 573              self->class, self->title ? self->title : "");
 574
 575     g_assert(self != NULL);
 576
 577     /* we dont want events no more. do this before hiding the frame so we
 578        don't generate more events */
 579     XSelectInput(ob_display, self->window, NoEventMask);
 580
 581     frame_hide(self->frame);
 582     /* flush to send the hide to the server quickly */
 583     XFlush(ob_display);
 584
 585     /* ignore enter events from the unmap so it doesnt mess with the
 586        focus */
 587     event_ignore_all_queued_enters();
 588
 589     mouse_grab_for_client(self, FALSE);
 590
 591     /* remove the window from our save set */
 592     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 593
 594     /* kill the property windows */
 595     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 596
 597     /* update the focus lists */
 598     focus_order_remove(self);
 599     if (client_focused(self)) {
 600         /* don't leave an invalid focus_client */
 601         focus_client = NULL;
 602     }
 603
 604     client_list = g_list_remove(client_list, self);
 605     stacking_remove(self);
 606     g_hash_table_remove(window_map, &self->window);
 607
 608     /* once the client is out of the list, update the struts to remove its
 609        influence */
 610     if (STRUT_EXISTS(self->strut))
 611         screen_update_areas();
 612
 613     client_call_notifies(self, client_destroy_notifies);
 614
 615     /* tell our parent(s) that we're gone */
 616     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 617         for (it = self->group->members; it; it = g_slist_next(it))
 618             if (it->data != self)
 619                 ((ObClient*)it->data)->transients =
 620                     g_slist_remove(((ObClient*)it->data)->transients,self);
 621     } else if (self->transient_for) {        /* transient of window */
 622         self->transient_for->transients =
 623             g_slist_remove(self->transient_for->transients, self);
 624     }
 625
 626     /* tell our transients that we're gone */
 627     for (it = self->transients; it; it = g_slist_next(it)) {
 628         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 629             ((ObClient*)it->data)->transient_for = NULL;
 630             client_calc_layer(it->data);
 631         }
 632     }
 633
 634     /* remove from its group */
 635     if (self->group) {
 636         group_remove(self->group, self);
 637         self->group = NULL;
 638     }
 639
 640     /* restore the window's original geometry so it is not lost */
 641     {
 642         Rect a;
 643
 644         /* give the client its border back */
 645         client_toggle_border(self, TRUE);
 646
 647         a = self->area;
 648
 649         if (self->fullscreen)
 650             a = self->pre_fullscreen_area;
 651         else if (self->max_horz || self->max_vert) {
 652             if (self->max_horz) {
 653                 a.x = self->pre_max_area.x;
 654                 a.width = self->pre_max_area.width;
 655             }
 656             if (self->max_vert) {
 657                 a.y = self->pre_max_area.y;
 658                 a.height = self->pre_max_area.height;
 659             }
 660         }
 661
 662         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 663         /* let it be moved and resized no matter what */
 664         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 665         self->decorations = 0; /* unmanaged windows have no decor */
 666
 667         client_move_resize(self, a.x, a.y, a.width, a.height);
 668     }
 669
 670     /* reparent the window out of the frame, and free the frame */
 671     frame_release_client(self->frame);
 672     frame_free(self->frame);
 673     self->frame = NULL;
 674
 675     if (ob_state() != OB_STATE_EXITING) {
 676         /* these values should not be persisted across a window
 677            unmapping/mapping */
 678         PROP_ERASE(self->window, net_wm_desktop);
 679         PROP_ERASE(self->window, net_wm_state);
 680         PROP_ERASE(self->window, wm_state);
 681     } else {
 682         /* if we're left in an unmapped state, the client wont be mapped.
 683            this is bad, since we will no longer be managing the window on
 684            restart */
 685         XMapWindow(ob_display, self->window);
 686     }
 687
 688     /* update the list hints */
 689     client_set_list();
 690
 691     ob_debug("Unmanaged window 0x%lx\n", self->window);
 692
 693     /* free all data allocated in the client struct */
 694     g_slist_free(self->transients);
 695     for (j = 0; j < self->nicons; ++j)
 696         g_free(self->icons[j].data);
 697     if (self->nicons > 0)
 698         g_free(self->icons);
 699     g_free(self->wm_command);
 700     g_free(self->title);
 701     g_free(self->icon_title);
 702     g_free(self->name);
 703     g_free(self->class);
 704     g_free(self->role);
 705     g_free(self->client_machine);
 706     g_free(self->sm_client_id);
 707     g_free(self);
 708 }
 709
 710 void client_fake_unmanage(ObClient *self)
 711 {
 712     /* this is all that got allocated to get the decorations */
 713
 714     frame_free(self->frame);
 715     g_free(self);
 716 }
 717
 718 /*! Returns a new structure containing the per-app settings for this client.
 719   The returned structure needs to be freed with g_free. */
 720 static ObAppSettings *client_get_settings_state(ObClient *self)
 721 {
 722     ObAppSettings *settings;
 723     GSList *it;
 724
 725     settings = config_create_app_settings();
 726
 727     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 728         ObAppSettings *app = it->data;
 729         gboolean match = TRUE;
 730
 731         g_assert(app->name != NULL || app->class != NULL);
 732
 733         /* we know that either name or class is not NULL so it will have to
 734            match to use the rule */
 735         if (app->name &&
 736             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 737             match = FALSE;
 738         else if (app->class &&
 739                 !g_pattern_match(app->class,
 740                                  strlen(self->class), self->class, NULL))
 741             match = FALSE;
 742         else if (app->role &&
 743                  !g_pattern_match(app->role,
 744                                   strlen(self->role), self->role, NULL))
 745             match = FALSE;
 746
 747         if (match) {
 748             ob_debug("Window matching: %s\n", app->name);
 749
 750             /* copy the settings to our struct, overriding the existing
 751                settings if they are not defaults */
 752             config_app_settings_copy_non_defaults(app, settings);
 753         }
 754     }
 755
 756     if (settings->shade != -1)
 757         self->shaded = !!settings->shade;
 758     if (settings->decor != -1)
 759         self->undecorated = !settings->decor;
 760     if (settings->iconic != -1)
 761         self->iconic = !!settings->iconic;
 762     if (settings->skip_pager != -1)
 763         self->skip_pager = !!settings->skip_pager;
 764     if (settings->skip_taskbar != -1)
 765         self->skip_taskbar = !!settings->skip_taskbar;
 766
 767     if (settings->max_vert != -1)
 768         self->max_vert = !!settings->max_vert;
 769     if (settings->max_horz != -1)
 770         self->max_horz = !!settings->max_horz;
 771
 772     if (settings->fullscreen != -1)
 773         self->fullscreen = !!settings->fullscreen;
 774
 775     if (settings->desktop) {
 776         if (settings->desktop == DESKTOP_ALL)
 777             self->desktop = settings->desktop;
 778         else if (settings->desktop > 0 &&
 779                  settings->desktop <= screen_num_desktops)
 780             self->desktop = settings->desktop - 1;
 781     }
 782
 783     if (settings->layer == -1) {
 784         self->below = TRUE;
 785         self->above = FALSE;
 786     }
 787     else if (settings->layer == 0) {
 788         self->below = FALSE;
 789         self->above = FALSE;
 790     }
 791     else if (settings->layer == 1) {
 792         self->below = FALSE;
 793         self->above = TRUE;
 794     }
 795     return settings;
 796 }
 797
 798 static void client_restore_session_state(ObClient *self)
 799 {
 800     GList *it;
 801
 802     ob_debug_type(OB_DEBUG_SM,
 803                   "Restore session for client %s\n", self->title);
 804
 805     if (!(it = session_state_find(self))) {
 806         ob_debug_type(OB_DEBUG_SM,
 807                       "Session data not found for client %s\n", self->title);
 808         return;
 809     }
 810
 811     self->session = it->data;
 812
 813     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 814                   self->title);
 815
 816     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 817     self->positioned = USPosition;
 818     if (self->session->w > 0)
 819         self->area.width = self->session->w;
 820     if (self->session->h > 0)
 821         self->area.height = self->session->h;
 822     XResizeWindow(ob_display, self->window,
 823                   self->area.width, self->area.height);
 824
 825     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 826                      self->session->desktop :
 827                      MIN(screen_num_desktops - 1, self->session->desktop));
 828     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 829
 830     self->shaded = self->session->shaded;
 831     self->iconic = self->session->iconic;
 832     self->skip_pager = self->session->skip_pager;
 833     self->skip_taskbar = self->session->skip_taskbar;
 834     self->fullscreen = self->session->fullscreen;
 835     self->above = self->session->above;
 836     self->below = self->session->below;
 837     self->max_horz = self->session->max_horz;
 838     self->max_vert = self->session->max_vert;
 839     self->undecorated = self->session->undecorated;
 840 }
 841
 842 static gboolean client_restore_session_stacking(ObClient *self)
 843 {
 844     GList *it, *mypos;
 845
 846     if (!self->session) return FALSE;
 847
 848     mypos = g_list_find(session_saved_state, self->session);
 849     if (!mypos) return FALSE;
 850
 851     /* start above me and look for the first client */
 852     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 853         GList *cit;
 854
 855         for (cit = client_list; cit; cit = g_list_next(cit)) {
 856             ObClient *c = cit->data;
 857             /* found a client that was in the session, so go below it */
 858             if (c->session == it->data) {
 859                 stacking_below(CLIENT_AS_WINDOW(self),
 860                                CLIENT_AS_WINDOW(cit->data));
 861                 return TRUE;
 862             }
 863         }
 864     }
 865     return FALSE;
 866 }
 867
 868 void client_move_onscreen(ObClient *self, gboolean rude)
 869 {
 870     gint x = self->area.x;
 871     gint y = self->area.y;
 872     if (client_find_onscreen(self, &x, &y,
 873                              self->area.width,
 874                              self->area.height, rude)) {
 875         client_move(self, x, y);
 876     }
 877 }
 878
 879 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 880                               gboolean rude)
 881 {
 882     Rect *mon_a, *all_a;
 883     gint ox = *x, oy = *y;
 884     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 885     gint fw, fh;
 886     Rect desired;
 887
 888     RECT_SET(desired, *x, *y, w, h);
 889     all_a = screen_area(self->desktop);
 890     mon_a = screen_area_monitor(self->desktop, screen_find_monitor(&desired));
 891
 892     /* get where the frame would be */
 893     frame_client_gravity(self->frame, x, y, w, h);
 894
 895     /* get the requested size of the window with decorations */
 896     fw = self->frame->size.left + w + self->frame->size.right;
 897     fh = self->frame->size.top + h + self->frame->size.bottom;
 898
 899     /* This makes sure windows aren't entirely outside of the screen so you
 900        can't see them at all.
 901        It makes sure 10% of the window is on the screen at least. At don't let
 902        it move itself off the top of the screen, which would hide the titlebar
 903        on you. (The user can still do this if they want too, it's only limiting
 904        the application.
 905
 906        XXX watch for xinerama dead areas...
 907     */
 908     if (client_normal(self)) {
 909         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 910             *x = all_a->x + all_a->width - fw/10;
 911         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 912             *y = all_a->y + all_a->height - fh/10;
 913         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 914             *x = all_a->x - fw*9/10;
 915         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 916             *y = all_a->y - fw*9/10;
 917     }
 918
 919     /* If rudeness wasn't requested, then figure out of the client is currently
 920        entirely on the screen. If it is, and the position isn't changing by
 921        request, and it is enlarging, then be rude even though it wasn't
 922        requested */
 923     if (!rude) {
 924         Point oldtl, oldtr, oldbl, oldbr;
 925         Point newtl, newtr, newbl, newbr;
 926         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 927
 928         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 929         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 930                   self->frame->area.y + self->frame->area.height - 1);
 931         POINT_SET(oldtr, oldbr.x, oldtl.y);
 932         POINT_SET(oldbl, oldtl.x, oldbr.y);
 933
 934         POINT_SET(newtl, *x, *y);
 935         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 936         POINT_SET(newtr, newbr.x, newtl.y);
 937         POINT_SET(newbl, newtl.x, newbr.y);
 938
 939         /* is it moving or just resizing from some corner? */
 940         stationary_l = oldtl.x == newtl.x;
 941         stationary_r = oldtr.x == newtr.x;
 942         stationary_t = oldtl.y == newtl.y;
 943         stationary_b = oldbl.y == newbl.y;
 944
 945         /* if left edge is growing and didnt move right edge */
 946         if (stationary_r && newtl.x < oldtl.x)
 947             rudel = TRUE;
 948         /* if right edge is growing and didnt move left edge */
 949         if (stationary_l && newtr.x > oldtr.x)
 950             ruder = TRUE;
 951         /* if top edge is growing and didnt move bottom edge */
 952         if (stationary_b && newtl.y < oldtl.y)
 953             rudet = TRUE;
 954         /* if bottom edge is growing and didnt move top edge */
 955         if (stationary_t && newbl.y > oldbl.y)
 956             rudeb = TRUE;
 957     }
 958
 959     /* This here doesn't let windows even a pixel outside the struts/screen.
 960      * When called from client_manage, programs placing themselves are
 961      * forced completely onscreen, while things like
 962      * xterm -geometry resolution-width/2 will work fine. Trying to
 963      * place it completely offscreen will be handled in the above code.
 964      * Sorry for this confused comment, i am tired. */
 965     if (fw <= mon_a->width) {
 966         if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 967         if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 968             *x = mon_a->x + mon_a->width - fw;
 969     }
 970     if (fh <= mon_a->height) {
 971         if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 972         if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 973             *y = mon_a->y + mon_a->height - fh;
 974     }
 975
 976     /* get where the client should be */
 977     frame_frame_gravity(self->frame, x, y, w, h);
 978
 979     return ox != *x || oy != *y;
 980 }
 981
 982 static void client_toggle_border(ObClient *self, gboolean show)
 983 {
 984     /* adjust our idea of where the client is, based on its border. When the
 985        border is removed, the client should now be considered to be in a
 986        different position.
 987        when re-adding the border to the client, the same operation needs to be
 988        reversed. */
 989     gint oldx = self->area.x, oldy = self->area.y;
 990     gint x = oldx, y = oldy;
 991     switch(self->gravity) {
 992     default:
 993     case NorthWestGravity:
 994     case WestGravity:
 995     case SouthWestGravity:
 996         break;
 997     case NorthEastGravity:
 998     case EastGravity:
 999     case SouthEastGravity:
1000         if (show) x -= self->border_width * 2;
1001         else      x += self->border_width * 2;
1002         break;
1003     case NorthGravity:
1004     case SouthGravity:
1005     case CenterGravity:
1006     case ForgetGravity:
1007     case StaticGravity:
1008         if (show) x -= self->border_width;
1009         else      x += self->border_width;
1010         break;
1011     }
1012     switch(self->gravity) {
1013     default:
1014     case NorthWestGravity:
1015     case NorthGravity:
1016     case NorthEastGravity:
1017         break;
1018     case SouthWestGravity:
1019     case SouthGravity:
1020     case SouthEastGravity:
1021         if (show) y -= self->border_width * 2;
1022         else      y += self->border_width * 2;
1023         break;
1024     case WestGravity:
1025     case EastGravity:
1026     case CenterGravity:
1027     case ForgetGravity:
1028     case StaticGravity:
1029         if (show) y -= self->border_width;
1030         else      y += self->border_width;
1031         break;
1032     }
1033     self->area.x = x;
1034     self->area.y = y;
1035
1036     if (show) {
1037         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
1038
1039         /* set border_width to 0 because there is no border to add into
1040            calculations anymore */
1041         self->border_width = 0;
1042     } else
1043         XSetWindowBorderWidth(ob_display, self->window, 0);
1044 }
1045
1046
1047 static void client_get_all(ObClient *self, gboolean real)
1048 {
1049     /* this is needed for the frame to set itself up */
1050     client_get_area(self);
1051
1052     /* these things can change the decor and functions of the window */
1053
1054     client_get_mwm_hints(self);
1055     /* this can change the mwmhints for special cases */
1056     client_get_type_and_transientness(self);
1057     client_get_state(self);
1058     client_update_normal_hints(self);
1059
1060     /* get the session related properties, these can change decorations
1061        from per-app settings */
1062     client_get_session_ids(self);
1063
1064     /* now we got everything that can affect the decorations */
1065     if (!real)
1066         return;
1067
1068     /* get this early so we have it for debugging */
1069     client_update_title(self);
1070
1071     client_update_protocols(self);
1072
1073     client_update_wmhints(self);
1074     /* this may have already been called from client_update_wmhints */
1075     if (self->transient_for == NULL)
1076         client_update_transient_for(self);
1077
1078     client_get_startup_id(self);
1079     client_get_desktop(self);/* uses transient data/group/startup id if a
1080                                 desktop is not specified */
1081     client_get_shaped(self);
1082
1083     {
1084         /* a couple type-based defaults for new windows */
1085
1086         /* this makes sure that these windows appear on all desktops */
1087         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1088             self->desktop = DESKTOP_ALL;
1089     }
1090
1091 #ifdef SYNC
1092     client_update_sync_request_counter(self);
1093 #endif
1094
1095     client_get_colormap(self);
1096     client_update_strut(self);
1097     client_update_icons(self);
1098     client_update_user_time_window(self);
1099     if (!self->user_time_window) /* check if this would have been called */
1100         client_update_user_time(self);
1101     client_update_icon_geometry(self);
1102 }
1103
1104 static void client_get_startup_id(ObClient *self)
1105 {
1106     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1107         if (self->group)
1108             PROP_GETS(self->group->leader,
1109                       net_startup_id, utf8, &self->startup_id);
1110 }
1111
1112 static void client_get_area(ObClient *self)
1113 {
1114     XWindowAttributes wattrib;
1115     Status ret;
1116
1117     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1118     g_assert(ret != BadWindow);
1119
1120     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1121     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1122     self->border_width = wattrib.border_width;
1123
1124     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1125              wattrib.width, wattrib.height);
1126 }
1127
1128 static void client_get_desktop(ObClient *self)
1129 {
1130     guint32 d = screen_num_desktops; /* an always-invalid value */
1131
1132     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1133         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1134             self->desktop = screen_num_desktops - 1;
1135         else
1136             self->desktop = d;
1137     } else {
1138         gboolean trdesk = FALSE;
1139
1140         if (self->transient_for) {
1141             if (self->transient_for != OB_TRAN_GROUP) {
1142                 self->desktop = self->transient_for->desktop;
1143                 trdesk = TRUE;
1144             } else {
1145                 GSList *it;
1146
1147                 for (it = self->group->members; it; it = g_slist_next(it))
1148                     if (it->data != self &&
1149                         !((ObClient*)it->data)->transient_for) {
1150                         self->desktop = ((ObClient*)it->data)->desktop;
1151                         trdesk = TRUE;
1152                         break;
1153                     }
1154             }
1155         }
1156         if (!trdesk) {
1157             /* try get from the startup-notification protocol */
1158             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1159                 if (self->desktop >= screen_num_desktops &&
1160                     self->desktop != DESKTOP_ALL)
1161                     self->desktop = screen_num_desktops - 1;
1162             } else
1163                 /* defaults to the current desktop */
1164                 self->desktop = screen_desktop;
1165         }
1166     }
1167 }
1168
1169 static void client_get_state(ObClient *self)
1170 {
1171     guint32 *state;
1172     guint num;
1173
1174     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1175         gulong i;
1176         for (i = 0; i < num; ++i) {
1177             if (state[i] == prop_atoms.net_wm_state_modal)
1178                 self->modal = TRUE;
1179             else if (state[i] == prop_atoms.net_wm_state_shaded)
1180                 self->shaded = TRUE;
1181             else if (state[i] == prop_atoms.net_wm_state_hidden)
1182                 self->iconic = TRUE;
1183             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1184                 self->skip_taskbar = TRUE;
1185             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1186                 self->skip_pager = TRUE;
1187             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1188                 self->fullscreen = TRUE;
1189             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1190                 self->max_vert = TRUE;
1191             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1192                 self->max_horz = TRUE;
1193             else if (state[i] == prop_atoms.net_wm_state_above)
1194                 self->above = TRUE;
1195             else if (state[i] == prop_atoms.net_wm_state_below)
1196                 self->below = TRUE;
1197             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1198                 self->demands_attention = TRUE;
1199             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1200                 self->undecorated = TRUE;
1201         }
1202
1203         g_free(state);
1204     }
1205 }
1206
1207 static void client_get_shaped(ObClient *self)
1208 {
1209     self->shaped = FALSE;
1210 #ifdef   SHAPE
1211     if (extensions_shape) {
1212         gint foo;
1213         guint ufoo;
1214         gint s;
1215
1216         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1217
1218         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1219                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1220                            &ufoo);
1221         self->shaped = (s != 0);
1222     }
1223 #endif
1224 }
1225
1226 void client_update_transient_for(ObClient *self)
1227 {
1228     Window t = None;
1229     ObClient *target = NULL;
1230
1231     if (XGetTransientForHint(ob_display, self->window, &t)) {
1232         if (t != self->window) { /* cant be transient to itself! */
1233             target = g_hash_table_lookup(window_map, &t);
1234             /* if this happens then we need to check for it*/
1235             g_assert(target != self);
1236             if (target && !WINDOW_IS_CLIENT(target)) {
1237                 /* this can happen when a dialog is a child of
1238                    a dockapp, for example */
1239                 target = NULL;
1240             }
1241
1242             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1243
1244                Setting the transient_for to Root is actually illegal, however
1245                applications from time have done this to specify transient for
1246                their group.
1247
1248                Now you can do that by being a TYPE_DIALOG and not setting
1249                the transient_for hint at all on your window. But people still
1250                use Root, and Kwin is very strange in this regard.
1251
1252                KWin 3.0 will not consider windows with transient_for set to
1253                Root as transient for their group *UNLESS* they are also modal.
1254                In that case, it will make them transient for the group. This
1255                leads to all sorts of weird behavior from KDE apps which are
1256                only tested in KWin. I'd like to follow their behavior just to
1257                make this work right with KDE stuff, but that seems wrong.
1258             */
1259             if (!target && self->group) {
1260                 /* not transient to a client, see if it is transient for a
1261                    group */
1262                 if (t == RootWindow(ob_display, ob_screen)) {
1263                     /* window is a transient for its group! */
1264                     target = OB_TRAN_GROUP;
1265                 }
1266             }
1267         }
1268     } else if (self->transient && self->group)
1269         target = OB_TRAN_GROUP;
1270
1271     client_update_transient_tree(self, self->group, self->group,
1272                                  self->transient_for, target);
1273     self->transient_for = target;
1274
1275 }
1276
1277 static void client_update_transient_tree(ObClient *self,
1278                                          ObGroup *oldgroup, ObGroup *newgroup,
1279                                          ObClient* oldparent,
1280                                          ObClient *newparent)
1281 {
1282     GSList *it, *next;
1283     ObClient *c;
1284
1285     /* * *
1286       Group transient windows are not allowed to have other group
1287       transient windows as their children.
1288       * * */
1289
1290
1291     /* No change has occured */
1292     if (oldgroup == newgroup && oldparent == newparent) return;
1293
1294     /** Remove the client from the transient tree wherever it has changed **/
1295
1296     /* If the window is becoming a direct transient for a window in its group
1297        then any group transients which were our children and are now becoming
1298        our parents need to stop being our children.
1299
1300        Group transients can't be children of group transients already, but
1301        we could have any number of direct parents above up, any of which could
1302        be transient for the group, and we need to remove it from our children.
1303     */
1304     if (oldparent != newparent &&
1305         newparent != NULL && newparent != OB_TRAN_GROUP &&
1306         newgroup != NULL && newgroup == oldgroup)
1307     {
1308         ObClient *look = newparent;
1309         do {
1310             self->transients = g_slist_remove(self->transients, look);
1311             look = look->transient_for;
1312         } while (look != NULL && look != OB_TRAN_GROUP);
1313     }
1314
1315
1316     /* If the group changed, or if we are just becoming transient for the
1317        group, then we need to remove any old group transient windows
1318        from our children. But if we were already transient for the group, then
1319        other group transients are not our children. */
1320     if ((oldgroup != newgroup ||
1321          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1322         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1323     {
1324         for (it = self->transients; it; it = next) {
1325             next = g_slist_next(it);
1326             c = it->data;
1327             if (c->group == oldgroup)
1328                 self->transients = g_slist_delete_link(self->transients, it);
1329         }
1330     }
1331
1332     /* If we used to be transient for a group and now we are not, or we're
1333        transient for a new group, then we need to remove ourselves from all
1334        our ex-parents */
1335     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1336                                        oldparent != newparent))
1337     {
1338         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1339             c = it->data;
1340             if (c != self && (!c->transient_for ||
1341                               c->transient_for != OB_TRAN_GROUP))
1342                 c->transients = g_slist_remove(c->transients, self);
1343         }
1344     }
1345     /* If we used to be transient for a single window and we are no longer
1346        transient for it, then we need to remove ourself from its children */
1347     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1348              oldparent != newparent)
1349         oldparent->transients = g_slist_remove(oldparent->transients, self);
1350
1351
1352     /** Re-add the client to the transient tree wherever it has changed **/
1353
1354     /* If we're now transient for a group and we weren't transient for it
1355        before then we need to add ourselves to all our new parents */
1356     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1357                                        oldparent != newparent))
1358     {
1359         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1360             c = it->data;
1361             if (c != self && (!c->transient_for ||
1362                               c->transient_for != OB_TRAN_GROUP))
1363                 c->transients = g_slist_prepend(c->transients, self);
1364         }
1365     }
1366     /* If we are now transient for a single window which we weren't before,
1367        we need to add ourselves to its children
1368
1369        WARNING: Cyclical transient ness is possible if two windows are
1370        transient for eachother.
1371     */
1372     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1373              newparent != oldparent &&
1374              /* don't make ourself its child if it is already our child */
1375              !client_is_direct_child(self, newparent))
1376         newparent->transients = g_slist_prepend(newparent->transients, self);
1377
1378     /* If the group changed then we need to add any new group transient
1379        windows to our children. But if we're transient for the group, then
1380        other group transients are not our children.
1381
1382        WARNING: Cyclical transient-ness is possible. For e.g. if:
1383        A is transient for the group
1384        B is transient for A
1385        C is transient for B
1386        A can't be transient for C or we have a cycle
1387     */
1388     if (oldgroup != newgroup && newgroup != NULL &&
1389         newparent != OB_TRAN_GROUP)
1390     {
1391         for (it = newgroup->members; it; it = g_slist_next(it)) {
1392             c = it->data;
1393             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1394                 /* Don't make it our child if it is already our parent */
1395                 !client_is_direct_child(c, self))
1396             {
1397                 self->transients = g_slist_prepend(self->transients, c);
1398             }
1399         }
1400     }
1401 }
1402
1403 static void client_get_mwm_hints(ObClient *self)
1404 {
1405     guint num;
1406     guint32 *hints;
1407
1408     self->mwmhints.flags = 0; /* default to none */
1409
1410     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1411                     &hints, &num)) {
1412         if (num >= OB_MWM_ELEMENTS) {
1413             self->mwmhints.flags = hints[0];
1414             self->mwmhints.functions = hints[1];
1415             self->mwmhints.decorations = hints[2];
1416         }
1417         g_free(hints);
1418     }
1419 }
1420
1421 void client_get_type_and_transientness(ObClient *self)
1422 {
1423     guint num, i;
1424     guint32 *val;
1425     Window t;
1426
1427     self->type = -1;
1428     self->transient = FALSE;
1429
1430     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1431         /* use the first value that we know about in the array */
1432         for (i = 0; i < num; ++i) {
1433             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1434                 self->type = OB_CLIENT_TYPE_DESKTOP;
1435             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1436                 self->type = OB_CLIENT_TYPE_DOCK;
1437             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1438                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1439             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1440                 self->type = OB_CLIENT_TYPE_MENU;
1441             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1442                 self->type = OB_CLIENT_TYPE_UTILITY;
1443             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1444                 self->type = OB_CLIENT_TYPE_SPLASH;
1445             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1446                 self->type = OB_CLIENT_TYPE_DIALOG;
1447             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1448                 self->type = OB_CLIENT_TYPE_NORMAL;
1449             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1450                 /* prevent this window from getting any decor or
1451                    functionality */
1452                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1453                                          OB_MWM_FLAG_DECORATIONS);
1454                 self->mwmhints.decorations = 0;
1455                 self->mwmhints.functions = 0;
1456             }
1457             if (self->type != (ObClientType) -1)
1458                 break; /* grab the first legit type */
1459         }
1460         g_free(val);
1461     }
1462
1463     if (XGetTransientForHint(ob_display, self->window, &t))
1464         self->transient = TRUE;
1465
1466     if (self->type == (ObClientType) -1) {
1467         /*the window type hint was not set, which means we either classify
1468           ourself as a normal window or a dialog, depending on if we are a
1469           transient. */
1470         if (self->transient)
1471             self->type = OB_CLIENT_TYPE_DIALOG;
1472         else
1473             self->type = OB_CLIENT_TYPE_NORMAL;
1474     }
1475
1476     /* then, based on our type, we can update our transientness.. */
1477     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1478         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1479         self->type == OB_CLIENT_TYPE_MENU ||
1480         self->type == OB_CLIENT_TYPE_UTILITY)
1481     {
1482         self->transient = TRUE;
1483     }
1484 }
1485
1486 void client_update_protocols(ObClient *self)
1487 {
1488     guint32 *proto;
1489     guint num_return, i;
1490
1491     self->focus_notify = FALSE;
1492     self->delete_window = FALSE;
1493
1494     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1495         for (i = 0; i < num_return; ++i) {
1496             if (proto[i] == prop_atoms.wm_delete_window)
1497                 /* this means we can request the window to close */
1498                 self->delete_window = TRUE;
1499             else if (proto[i] == prop_atoms.wm_take_focus)
1500                 /* if this protocol is requested, then the window will be
1501                    notified whenever we want it to receive focus */
1502                 self->focus_notify = TRUE;
1503 #ifdef SYNC
1504             else if (proto[i] == prop_atoms.net_wm_sync_request)
1505                 /* if this protocol is requested, then resizing the
1506                    window will be synchronized between the frame and the
1507                    client */
1508                 self->sync_request = TRUE;
1509 #endif
1510         }
1511         g_free(proto);
1512     }
1513 }
1514
1515 #ifdef SYNC
1516 void client_update_sync_request_counter(ObClient *self)
1517 {
1518     guint32 i;
1519
1520     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1521         self->sync_counter = i;
1522     } else
1523         self->sync_counter = None;
1524 }
1525 #endif
1526
1527 void client_get_colormap(ObClient *self)
1528 {
1529     XWindowAttributes wa;
1530
1531     if (XGetWindowAttributes(ob_display, self->window, &wa))
1532         client_update_colormap(self, wa.colormap);
1533 }
1534
1535 void client_update_colormap(ObClient *self, Colormap colormap)
1536 {
1537     self->colormap = colormap;
1538 }
1539
1540 void client_update_normal_hints(ObClient *self)
1541 {
1542     XSizeHints size;
1543     glong ret;
1544     gint oldgravity = self->gravity;
1545
1546     /* defaults */
1547     self->min_ratio = 0.0f;
1548     self->max_ratio = 0.0f;
1549     SIZE_SET(self->size_inc, 1, 1);
1550     SIZE_SET(self->base_size, 0, 0);
1551     SIZE_SET(self->min_size, 0, 0);
1552     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1553
1554     /* get the hints from the window */
1555     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1556         /* normal windows can't request placement! har har
1557         if (!client_normal(self))
1558         */
1559         self->positioned = (size.flags & (PPosition|USPosition));
1560
1561         if (size.flags & PWinGravity) {
1562             self->gravity = size.win_gravity;
1563
1564             /* if the client has a frame, i.e. has already been mapped and
1565                is changing its gravity */
1566             if (self->frame && self->gravity != oldgravity) {
1567                 /* move our idea of the client's position based on its new
1568                    gravity */
1569                 client_convert_gravity(self, oldgravity,
1570                                        &self->area.x, &self->area.y,
1571                                        self->area.width, self->area.height);
1572             }
1573         }
1574
1575         if (size.flags & PAspect) {
1576             if (size.min_aspect.y)
1577                 self->min_ratio =
1578                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1579             if (size.max_aspect.y)
1580                 self->max_ratio =
1581                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1582         }
1583
1584         if (size.flags & PMinSize)
1585             SIZE_SET(self->min_size, size.min_width, size.min_height);
1586
1587         if (size.flags & PMaxSize)
1588             SIZE_SET(self->max_size, size.max_width, size.max_height);
1589
1590         if (size.flags & PBaseSize)
1591             SIZE_SET(self->base_size, size.base_width, size.base_height);
1592
1593         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1594             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1595     }
1596 }
1597
1598 /*! This needs to be followed by a call to client_configure to make
1599   the changes show */
1600 void client_setup_decor_and_functions(ObClient *self)
1601 {
1602     /* start with everything (cept fullscreen) */
1603     self->decorations =
1604         (OB_FRAME_DECOR_TITLEBAR |
1605          OB_FRAME_DECOR_HANDLE |
1606          OB_FRAME_DECOR_GRIPS |
1607          OB_FRAME_DECOR_BORDER |
1608          OB_FRAME_DECOR_ICON |
1609          OB_FRAME_DECOR_ALLDESKTOPS |
1610          OB_FRAME_DECOR_ICONIFY |
1611          OB_FRAME_DECOR_MAXIMIZE |
1612          OB_FRAME_DECOR_SHADE |
1613          OB_FRAME_DECOR_CLOSE);
1614     self->functions =
1615         (OB_CLIENT_FUNC_RESIZE |
1616          OB_CLIENT_FUNC_MOVE |
1617          OB_CLIENT_FUNC_ICONIFY |
1618          OB_CLIENT_FUNC_MAXIMIZE |
1619          OB_CLIENT_FUNC_SHADE |
1620          OB_CLIENT_FUNC_CLOSE |
1621          OB_CLIENT_FUNC_BELOW |
1622          OB_CLIENT_FUNC_ABOVE |
1623          OB_CLIENT_FUNC_UNDECORATE);
1624
1625     if (!(self->min_size.width < self->max_size.width ||
1626           self->min_size.height < self->max_size.height))
1627         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1628
1629     switch (self->type) {
1630     case OB_CLIENT_TYPE_NORMAL:
1631         /* normal windows retain all of the possible decorations and
1632            functionality, and are the only windows that you can fullscreen */
1633         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1634         break;
1635
1636     case OB_CLIENT_TYPE_DIALOG:
1637     case OB_CLIENT_TYPE_UTILITY:
1638         /* these windows cannot be maximized */
1639         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1640         break;
1641
1642     case OB_CLIENT_TYPE_MENU:
1643     case OB_CLIENT_TYPE_TOOLBAR:
1644         /* these windows get less functionality */
1645         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1646         break;
1647
1648     case OB_CLIENT_TYPE_SPLASH:
1649         /* these don't get get any decorations, and the only thing you can
1650            do with them is move them */
1651         self->decorations = 0;
1652         self->functions = OB_CLIENT_FUNC_MOVE;
1653         break;
1654
1655     case OB_CLIENT_TYPE_DESKTOP:
1656         /* these windows are not manipulated by the window manager */
1657         self->decorations = 0;
1658         self->functions = 0;
1659         break;
1660
1661     case OB_CLIENT_TYPE_DOCK:
1662         /* these windows are not manipulated by the window manager, but they
1663            can set below layer which has a special meaning */
1664         self->decorations = 0;
1665         self->functions = OB_CLIENT_FUNC_BELOW;
1666         break;
1667     }
1668
1669     /* Mwm Hints are applied subtractively to what has already been chosen for
1670        decor and functionality */
1671     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1672         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1673             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1674                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1675             {
1676                 /* if the mwm hints request no handle or title, then all
1677                    decorations are disabled, but keep the border if that's
1678                    specified */
1679                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1680                     self->decorations = OB_FRAME_DECOR_BORDER;
1681                 else
1682                     self->decorations = 0;
1683             }
1684         }
1685     }
1686
1687     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1688         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1689             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1690                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1691             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1692                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1693             /* dont let mwm hints kill any buttons
1694                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1695                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1696                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1697                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1698             */
1699             /* dont let mwm hints kill the close button
1700                if (! (self->mwmhints.functions & MwmFunc_Close))
1701                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1702         }
1703     }
1704
1705     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1706         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1707     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1708         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1709     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1710         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1711
1712     /* can't maximize without moving/resizing */
1713     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1714           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1715           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1716         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1717         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1718     }
1719
1720     if (self->max_horz && self->max_vert)
1721         /* kill the handle on fully maxed windows */
1722         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1723
1724     /* If there are no decorations to remove, don't allow the user to try
1725        toggle the state */
1726     if (self->decorations == 0)
1727         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1728
1729     /* finally, the user can have requested no decorations, which overrides
1730        everything (but doesnt give it a border if it doesnt have one) */
1731     if (self->undecorated) {
1732         if (config_theme_keepborder)
1733             self->decorations &= OB_FRAME_DECOR_BORDER;
1734         else
1735             self->decorations = 0;
1736     }
1737
1738     /* if we don't have a titlebar, then we cannot shade! */
1739     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1740         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1741
1742     /* now we need to check against rules for the client's current state */
1743     if (self->fullscreen) {
1744         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1745                             OB_CLIENT_FUNC_FULLSCREEN |
1746                             OB_CLIENT_FUNC_ICONIFY);
1747         self->decorations = 0;
1748     }
1749
1750     client_change_allowed_actions(self);
1751 }
1752
1753 static void client_change_allowed_actions(ObClient *self)
1754 {
1755     gulong actions[12];
1756     gint num = 0;
1757
1758     /* desktop windows are kept on all desktops */
1759     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1760         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1761
1762     if (self->functions & OB_CLIENT_FUNC_SHADE)
1763         actions[num++] = prop_atoms.net_wm_action_shade;
1764     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1765         actions[num++] = prop_atoms.net_wm_action_close;
1766     if (self->functions & OB_CLIENT_FUNC_MOVE)
1767         actions[num++] = prop_atoms.net_wm_action_move;
1768     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1769         actions[num++] = prop_atoms.net_wm_action_minimize;
1770     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1771         actions[num++] = prop_atoms.net_wm_action_resize;
1772     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1773         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1774     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1775         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1776         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1777     }
1778     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1779         actions[num++] = prop_atoms.net_wm_action_above;
1780     if (self->functions & OB_CLIENT_FUNC_BELOW)
1781         actions[num++] = prop_atoms.net_wm_action_below;
1782     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1783         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1784
1785     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1786
1787     /* make sure the window isn't breaking any rules now */
1788
1789     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1790         if (self->frame) client_shade(self, FALSE);
1791         else self->shaded = FALSE;
1792     }
1793     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1794         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1795         else self->iconic = FALSE;
1796     }
1797     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1798         if (self->frame) client_fullscreen(self, FALSE);
1799         else self->fullscreen = FALSE;
1800     }
1801     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1802                                                          self->max_vert)) {
1803         if (self->frame) client_maximize(self, FALSE, 0);
1804         else self->max_vert = self->max_horz = FALSE;
1805     }
1806 }
1807
1808 void client_reconfigure(ObClient *self)
1809 {
1810     /* by making this pass FALSE for user, we avoid the emacs event storm where
1811        every configurenotify causes an update in its normal hints, i think this
1812        is generally what we want anyways... */
1813     client_configure(self, self->area.x, self->area.y,
1814                      self->area.width, self->area.height, FALSE, TRUE);
1815 }
1816
1817 void client_update_wmhints(ObClient *self)
1818 {
1819     XWMHints *hints;
1820
1821     /* assume a window takes input if it doesnt specify */
1822     self->can_focus = TRUE;
1823
1824     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1825         gboolean ur;
1826
1827         if (hints->flags & InputHint)
1828             self->can_focus = hints->input;
1829
1830         /* only do this when first managing the window *AND* when we aren't
1831            starting up! */
1832         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1833             if (hints->flags & StateHint)
1834                 self->iconic = hints->initial_state == IconicState;
1835
1836         ur = self->urgent;
1837         self->urgent = (hints->flags & XUrgencyHint);
1838         if (self->urgent && !ur)
1839             client_hilite(self, TRUE);
1840         else if (!self->urgent && ur && self->demands_attention)
1841             client_hilite(self, FALSE);
1842
1843         if (!(hints->flags & WindowGroupHint))
1844             hints->window_group = None;
1845
1846         /* did the group state change? */
1847         if (hints->window_group !=
1848             (self->group ? self->group->leader : None))
1849         {
1850             ObGroup *oldgroup = self->group;
1851
1852             /* remove from the old group if there was one */
1853             if (self->group != NULL) {
1854                 group_remove(self->group, self);
1855                 self->group = NULL;
1856             }
1857
1858             /* add ourself to the group if we have one */
1859             if (hints->window_group != None) {
1860                 self->group = group_add(hints->window_group, self);
1861             }
1862
1863             /* Put ourselves into the new group's transient tree, and remove
1864                ourselves from the old group's */
1865             client_update_transient_tree(self, oldgroup, self->group,
1866                                          self->transient_for,
1867                                          self->transient_for);
1868
1869             /* Lastly, being in a group, or not, can change if the window is
1870                transient for anything.
1871
1872                The logic for this is:
1873                self->transient = TRUE always if the window wants to be
1874                transient for something, even if transient_for was NULL because
1875                it wasn't in a group before.
1876
1877                If transient_for was NULL and oldgroup was NULL we can assume
1878                that when we add the new group, it will become transient for
1879                something.
1880
1881                If transient_for was OB_TRAN_GROUP, then it must have already
1882                had a group. If it is getting a new group, the above call to
1883                client_update_transient_tree has already taken care of
1884                everything ! If it is losing all group status then it will
1885                no longer be transient for anything and that needs to be
1886                updated.
1887             */
1888             if (self->transient &&
1889                 ((self->transient_for == NULL && oldgroup == NULL) ||
1890                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1891                 client_update_transient_for(self);
1892         }
1893
1894         /* the WM_HINTS can contain an icon */
1895         client_update_icons(self);
1896
1897         XFree(hints);
1898     }
1899 }
1900
1901 void client_update_title(ObClient *self)
1902 {
1903     gchar *data = NULL;
1904     gchar *visible = NULL;
1905
1906     g_free(self->title);
1907
1908     /* try netwm */
1909     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1910         /* try old x stuff */
1911         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1912               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1913             if (self->transient) {
1914                 /*
1915                   GNOME alert windows are not given titles:
1916                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1917                 */
1918                 data = g_strdup("");
1919             } else
1920                 data = g_strdup("Unnamed Window");
1921         }
1922     }
1923
1924     if (self->client_machine) {
1925         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1926         g_free(data);
1927     } else
1928         visible = data;
1929
1930     PROP_SETS(self->window, net_wm_visible_name, visible);
1931     self->title = visible;
1932
1933     if (self->frame)
1934         frame_adjust_title(self->frame);
1935
1936     /* update the icon title */
1937     data = NULL;
1938     g_free(self->icon_title);
1939
1940     /* try netwm */
1941     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1942         /* try old x stuff */
1943         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1944               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1945             data = g_strdup(self->title);
1946
1947     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1948     self->icon_title = data;
1949 }
1950
1951 void client_update_strut(ObClient *self)
1952 {
1953     guint num;
1954     guint32 *data;
1955     gboolean got = FALSE;
1956     StrutPartial strut;
1957
1958     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1959                     &data, &num)) {
1960         if (num == 12) {
1961             got = TRUE;
1962             STRUT_PARTIAL_SET(strut,
1963                               data[0], data[2], data[1], data[3],
1964                               data[4], data[5], data[8], data[9],
1965                               data[6], data[7], data[10], data[11]);
1966         }
1967         g_free(data);
1968     }
1969
1970     if (!got &&
1971         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1972         if (num == 4) {
1973             const Rect *a;
1974
1975             got = TRUE;
1976
1977             /* use the screen's width/height */
1978             a = screen_physical_area();
1979
1980             STRUT_PARTIAL_SET(strut,
1981                               data[0], data[2], data[1], data[3],
1982                               a->y, a->y + a->height - 1,
1983                               a->x, a->x + a->width - 1,
1984                               a->y, a->y + a->height - 1,
1985                               a->x, a->x + a->width - 1);
1986         }
1987         g_free(data);
1988     }
1989
1990     if (!got)
1991         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1992                           0, 0, 0, 0, 0, 0, 0, 0);
1993
1994     if (!STRUT_EQUAL(strut, self->strut)) {
1995         self->strut = strut;
1996
1997         /* updating here is pointless while we're being mapped cuz we're not in
1998            the client list yet */
1999         if (self->frame)
2000             screen_update_areas();
2001     }
2002 }
2003
2004 void client_update_icons(ObClient *self)
2005 {
2006     guint num;
2007     guint32 *data;
2008     guint w, h, i, j;
2009
2010     for (i = 0; i < self->nicons; ++i)
2011         g_free(self->icons[i].data);
2012     if (self->nicons > 0)
2013         g_free(self->icons);
2014     self->nicons = 0;
2015
2016     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2017         /* figure out how many valid icons are in here */
2018         i = 0;
2019         while (num - i > 2) {
2020             w = data[i++];
2021             h = data[i++];
2022             i += w * h;
2023             if (i > num || w*h == 0) break;
2024             ++self->nicons;
2025         }
2026
2027         self->icons = g_new(ObClientIcon, self->nicons);
2028
2029         /* store the icons */
2030         i = 0;
2031         for (j = 0; j < self->nicons; ++j) {
2032             guint x, y, t;
2033
2034             w = self->icons[j].width = data[i++];
2035             h = self->icons[j].height = data[i++];
2036
2037             if (w*h == 0) continue;
2038
2039             self->icons[j].data = g_new(RrPixel32, w * h);
2040             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2041                 if (x >= w) {
2042                     x = 0;
2043                     ++y;
2044                 }
2045                 self->icons[j].data[t] =
2046                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2047                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2048                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2049                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2050             }
2051             g_assert(i <= num);
2052         }
2053
2054         g_free(data);
2055     } else {
2056         XWMHints *hints;
2057
2058         if ((hints = XGetWMHints(ob_display, self->window))) {
2059             if (hints->flags & IconPixmapHint) {
2060                 self->nicons++;
2061                 self->icons = g_new(ObClientIcon, self->nicons);
2062                 xerror_set_ignore(TRUE);
2063                 if (!RrPixmapToRGBA(ob_rr_inst,
2064                                     hints->icon_pixmap,
2065                                     (hints->flags & IconMaskHint ?
2066                                      hints->icon_mask : None),
2067                                     &self->icons[self->nicons-1].width,
2068                                     &self->icons[self->nicons-1].height,
2069                                     &self->icons[self->nicons-1].data)){
2070                     g_free(&self->icons[self->nicons-1]);
2071                     self->nicons--;
2072                 }
2073                 xerror_set_ignore(FALSE);
2074             }
2075             XFree(hints);
2076         }
2077     }
2078
2079     /* set the default icon onto the window
2080        in theory, this could be a race, but if a window doesn't set an icon
2081        or removes it entirely, it's not very likely it is going to set one
2082        right away afterwards */
2083     if (self->nicons == 0) {
2084         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2085         gulong *data;
2086
2087         data = g_new(gulong, 48*48+2);
2088         data[0] = data[1] =  48;
2089         for (i = 0; i < 48*48; ++i)
2090             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2091                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2092                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2093                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2094         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2095         g_free(data);
2096     } else if (self->frame)
2097         /* don't draw the icon empty if we're just setting one now anyways,
2098            we'll get the property change any second */
2099         frame_adjust_icon(self->frame);
2100 }
2101
2102 void client_update_user_time(ObClient *self)
2103 {
2104     guint32 time;
2105     gboolean got = FALSE;
2106
2107     if (self->user_time_window)
2108         got = PROP_GET32(self->user_time_window,
2109                          net_wm_user_time, cardinal, &time);
2110     if (!got)
2111         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2112
2113     if (got) {
2114         /* we set this every time, not just when it grows, because in practice
2115            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2116            backward we don't want all windows to stop focusing. we'll just
2117            assume noone is setting times older than the last one, cuz that
2118            would be pretty stupid anyways
2119         */
2120         self->user_time = time;
2121
2122         /*ob_debug("window %s user time %u\n", self->title, time);*/
2123     }
2124 }
2125
2126 void client_update_user_time_window(ObClient *self)
2127 {
2128     guint32 w;
2129
2130     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2131         w = None;
2132
2133     if (w != self->user_time_window) {
2134         /* remove the old window */
2135         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2136         self->user_time_window = None;
2137
2138         if (self->group && self->group->leader == w) {
2139             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2140                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2141             /* do it anyways..? */
2142         }
2143         else if (w == self->window) {
2144             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2145                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2146             w = None; /* don't do it */
2147         }
2148
2149         /* add the new window */
2150         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2151         self->user_time_window = w;
2152
2153         /* and update from it */
2154         client_update_user_time(self);
2155     }
2156 }
2157
2158 void client_update_icon_geometry(ObClient *self)
2159 {
2160     guint num;
2161     guint32 *data;
2162
2163     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2164
2165     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2166         && num == 4)
2167     {
2168         /* don't let them set it with an area < 0 */
2169         RECT_SET(self->icon_geometry, data[0], data[1],
2170                  MAX(data[2],0), MAX(data[3],0));
2171     }
2172 }
2173
2174 static void client_get_session_ids(ObClient *self)
2175 {
2176     guint32 leader;
2177     gboolean got;
2178     gchar *s;
2179     gchar **ss;
2180
2181     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2182         leader = None;
2183
2184     /* get the SM_CLIENT_ID */
2185     got = FALSE;
2186     if (leader)
2187         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2188     if (!got)
2189         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2190
2191     /* get the WM_CLASS (name and class). make them "" if they are not
2192        provided */
2193     got = FALSE;
2194     if (leader)
2195         got = PROP_GETSS(leader, wm_class, locale, &ss);
2196     if (!got)
2197         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2198
2199     if (got) {
2200         if (ss[0]) {
2201             self->name = g_strdup(ss[0]);
2202             if (ss[1])
2203                 self->class = g_strdup(ss[1]);
2204         }
2205         g_strfreev(ss);
2206     }
2207
2208     if (self->name == NULL) self->name = g_strdup("");
2209     if (self->class == NULL) self->class = g_strdup("");
2210
2211     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2212     got = FALSE;
2213     if (leader)
2214         got = PROP_GETS(leader, wm_window_role, locale, &s);
2215     if (!got)
2216         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2217
2218     if (got)
2219         self->role = s;
2220     else
2221         self->role = g_strdup("");
2222
2223     /* get the WM_COMMAND */
2224     got = FALSE;
2225
2226     if (leader)
2227         got = PROP_GETSS(leader, wm_command, locale, &ss);
2228     if (!got)
2229         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2230
2231     if (got) {
2232         /* merge/mash them all together */
2233         gchar *merge = NULL;
2234         gint i;
2235
2236         for (i = 0; ss[i]; ++i) {
2237             gchar *tmp = merge;
2238             if (merge)
2239                 merge = g_strconcat(merge, ss[i], NULL);
2240             else
2241                 merge = g_strconcat(ss[i], NULL);
2242             g_free(tmp);
2243         }
2244         g_strfreev(ss);
2245
2246         self->wm_command = merge;
2247     }
2248
2249     /* get the WM_CLIENT_MACHINE */
2250     got = FALSE;
2251     if (leader)
2252         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2253     if (!got)
2254         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2255
2256     if (got) {
2257         gchar localhost[128];
2258
2259         gethostname(localhost, 127);
2260         localhost[127] = '\0';
2261         if (strcmp(localhost, s) != 0)
2262             self->client_machine = s;
2263         else
2264             g_free(s);
2265     }
2266 }
2267
2268 static void client_change_wm_state(ObClient *self)
2269 {
2270     gulong state[2];
2271     glong old;
2272
2273     old = self->wmstate;
2274
2275     if (self->shaded || self->iconic ||
2276         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2277     {
2278         self->wmstate = IconicState;
2279     } else
2280         self->wmstate = NormalState;
2281
2282     if (old != self->wmstate) {
2283         PROP_MSG(self->window, kde_wm_change_state,
2284                  self->wmstate, 1, 0, 0);
2285
2286         state[0] = self->wmstate;
2287         state[1] = None;
2288         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2289         ob_debug("setting wm_state %d\n", self->wmstate);
2290     }
2291 }
2292
2293 static void client_change_state(ObClient *self)
2294 {
2295     gulong netstate[11];
2296     guint num;
2297
2298     num = 0;
2299     if (self->modal)
2300         netstate[num++] = prop_atoms.net_wm_state_modal;
2301     if (self->shaded)
2302         netstate[num++] = prop_atoms.net_wm_state_shaded;
2303     if (self->iconic)
2304         netstate[num++] = prop_atoms.net_wm_state_hidden;
2305     if (self->skip_taskbar)
2306         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2307     if (self->skip_pager)
2308         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2309     if (self->fullscreen)
2310         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2311     if (self->max_vert)
2312         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2313     if (self->max_horz)
2314         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2315     if (self->above)
2316         netstate[num++] = prop_atoms.net_wm_state_above;
2317     if (self->below)
2318         netstate[num++] = prop_atoms.net_wm_state_below;
2319     if (self->demands_attention)
2320         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2321     if (self->undecorated)
2322         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2323     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2324
2325     if (self->frame)
2326         frame_adjust_state(self->frame);
2327 }
2328
2329 ObClient *client_search_focus_tree(ObClient *self)
2330 {
2331     GSList *it;
2332     ObClient *ret;
2333
2334     for (it = self->transients; it; it = g_slist_next(it)) {
2335         if (client_focused(it->data)) return it->data;
2336         if ((ret = client_search_focus_tree(it->data))) return ret;
2337     }
2338     return NULL;
2339 }
2340
2341 ObClient *client_search_focus_tree_full(ObClient *self)
2342 {
2343     if (self->transient_for) {
2344         if (self->transient_for != OB_TRAN_GROUP) {
2345             return client_search_focus_tree_full(self->transient_for);
2346         } else {
2347             GSList *it;
2348             gboolean recursed = FALSE;
2349
2350             for (it = self->group->members; it; it = g_slist_next(it))
2351                 if (!((ObClient*)it->data)->transient_for) {
2352                     ObClient *c;
2353                     if ((c = client_search_focus_tree_full(it->data)))
2354                         return c;
2355                     recursed = TRUE;
2356                 }
2357             if (recursed)
2358                 return NULL;
2359         }
2360     }
2361
2362     /* this function checks the whole tree, the client_search_focus_tree~
2363        does not, so we need to check this window */
2364     if (client_focused(self))
2365         return self;
2366     return client_search_focus_tree(self);
2367 }
2368
2369 static ObStackingLayer calc_layer(ObClient *self)
2370 {
2371     ObStackingLayer l;
2372
2373     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2374         l = OB_STACKING_LAYER_DESKTOP;
2375     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2376         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2377         else l = OB_STACKING_LAYER_ABOVE;
2378     }
2379     else if ((self->fullscreen ||
2380               /* No decorations and fills the monitor = oldskool fullscreen.
2381                  But not for undecorated windows, because the user can do that
2382               */
2383               (self->decorations == 0 &&
2384                !self->undecorated &&
2385                RECT_EQUAL(self->area,
2386                           *screen_physical_area_monitor
2387                           (client_monitor(self))))) &&
2388              (client_focused(self) || client_search_focus_tree(self)))
2389         l = OB_STACKING_LAYER_FULLSCREEN;
2390     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2391     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2392     else l = OB_STACKING_LAYER_NORMAL;
2393
2394     return l;
2395 }
2396
2397 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2398                                         ObStackingLayer min)
2399 {
2400     ObStackingLayer old, own;
2401     GSList *it;
2402
2403     old = self->layer;
2404     own = calc_layer(self);
2405     self->layer = MAX(own, min);
2406
2407     if (self->layer != old) {
2408         stacking_remove(CLIENT_AS_WINDOW(self));
2409         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2410     }
2411
2412     for (it = self->transients; it; it = g_slist_next(it))
2413         client_calc_layer_recursive(it->data, orig,
2414                                     self->layer);
2415 }
2416
2417 void client_calc_layer(ObClient *self)
2418 {
2419     ObClient *orig;
2420     GSList *it;
2421
2422     orig = self;
2423
2424     /* transients take on the layer of their parents */
2425     it = client_search_all_top_parents(self);
2426
2427     for (; it; it = g_slist_next(it))
2428         client_calc_layer_recursive(it->data, orig, 0);
2429 }
2430
2431 gboolean client_should_show(ObClient *self)
2432 {
2433     if (self->iconic)
2434         return FALSE;
2435     if (client_normal(self) && screen_showing_desktop)
2436         return FALSE;
2437     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2438         return TRUE;
2439
2440     return FALSE;
2441 }
2442
2443 gboolean client_show(ObClient *self)
2444 {
2445     gboolean show = FALSE;
2446
2447     if (client_should_show(self)) {
2448         frame_show(self->frame);
2449         show = TRUE;
2450
2451         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2452            it needs to be in IconicState. This includes when it is on another
2453            desktop!
2454         */
2455         client_change_wm_state(self);
2456     }
2457     return show;
2458 }
2459
2460 gboolean client_hide(ObClient *self)
2461 {
2462     gboolean hide = FALSE;
2463
2464     if (!client_should_show(self)) {
2465         if (self == focus_client) {
2466             /* if there is a grab going on, then we need to cancel it. if we
2467                move focus during the grab, applications will get
2468                NotifyWhileGrabbed events and ignore them !
2469
2470                actions should not rely on being able to move focus during an
2471                interactive grab.
2472             */
2473             if (keyboard_interactively_grabbed())
2474                 keyboard_interactive_cancel();
2475         }
2476
2477         frame_hide(self->frame);
2478         hide = TRUE;
2479
2480         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2481            it needs to be in IconicState. This includes when it is on another
2482            desktop!
2483         */
2484         client_change_wm_state(self);
2485     }
2486     return hide;
2487 }
2488
2489 void client_showhide(ObClient *self)
2490 {
2491     if (!client_show(self))
2492         client_hide(self);
2493 }
2494
2495 gboolean client_normal(ObClient *self) {
2496     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2497               self->type == OB_CLIENT_TYPE_DOCK ||
2498               self->type == OB_CLIENT_TYPE_SPLASH);
2499 }
2500
2501 gboolean client_helper(ObClient *self)
2502 {
2503     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2504             self->type == OB_CLIENT_TYPE_MENU ||
2505             self->type == OB_CLIENT_TYPE_TOOLBAR);
2506 }
2507
2508 gboolean client_mouse_focusable(ObClient *self)
2509 {
2510     return !(self->type == OB_CLIENT_TYPE_MENU ||
2511              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2512              self->type == OB_CLIENT_TYPE_SPLASH ||
2513              self->type == OB_CLIENT_TYPE_DOCK);
2514 }
2515
2516 gboolean client_enter_focusable(ObClient *self)
2517 {
2518     /* you can focus desktops but it shouldn't on enter */
2519     return (client_mouse_focusable(self) &&
2520             self->type != OB_CLIENT_TYPE_DESKTOP);
2521 }
2522
2523
2524 static void client_apply_startup_state(ObClient *self)
2525 {
2526     /* set the desktop hint, to make sure that it always exists */
2527     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2528
2529     /* these are in a carefully crafted order.. */
2530
2531     if (self->iconic) {
2532         self->iconic = FALSE;
2533         client_iconify(self, TRUE, FALSE, TRUE);
2534     }
2535     if (self->fullscreen) {
2536         self->fullscreen = FALSE;
2537         client_fullscreen(self, TRUE);
2538     }
2539     if (self->undecorated) {
2540         self->undecorated = FALSE;
2541         client_set_undecorated(self, TRUE);
2542     }
2543     if (self->shaded) {
2544         self->shaded = FALSE;
2545         client_shade(self, TRUE);
2546     }
2547     if (self->demands_attention) {
2548         self->demands_attention = FALSE;
2549         client_hilite(self, TRUE);
2550     }
2551
2552     if (self->max_vert && self->max_horz) {
2553         self->max_vert = self->max_horz = FALSE;
2554         client_maximize(self, TRUE, 0);
2555     } else if (self->max_vert) {
2556         self->max_vert = FALSE;
2557         client_maximize(self, TRUE, 2);
2558     } else if (self->max_horz) {
2559         self->max_horz = FALSE;
2560         client_maximize(self, TRUE, 1);
2561     }
2562
2563     /* nothing to do for the other states:
2564        skip_taskbar
2565        skip_pager
2566        modal
2567        above
2568        below
2569     */
2570 }
2571
2572 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2573                             gint w, gint h)
2574 {
2575     gint oldg = self->gravity;
2576
2577     /* get the frame's position from the requested stuff */
2578     self->gravity = gravity;
2579     frame_client_gravity(self->frame, x, y, w, h);
2580     self->gravity = oldg;
2581
2582     /* get the client's position in its true gravity from that */
2583     frame_frame_gravity(self->frame, x, y, w, h);
2584 }
2585
2586 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2587                           gint *logicalw, gint *logicalh,
2588                           gboolean user)
2589 {
2590     Rect desired_area = {*x, *y, *w, *h};
2591
2592     /* make the frame recalculate its dimentions n shit without changing
2593        anything visible for real, this way the constraints below can work with
2594        the updated frame dimensions. */
2595     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2596
2597     /* work within the prefered sizes given by the window */
2598     if (!(*w == self->area.width && *h == self->area.height)) {
2599         gint basew, baseh, minw, minh;
2600
2601         /* base size is substituted with min size if not specified */
2602         if (self->base_size.width || self->base_size.height) {
2603             basew = self->base_size.width;
2604             baseh = self->base_size.height;
2605         } else {
2606             basew = self->min_size.width;
2607             baseh = self->min_size.height;
2608         }
2609         /* min size is substituted with base size if not specified */
2610         if (self->min_size.width || self->min_size.height) {
2611             minw = self->min_size.width;
2612             minh = self->min_size.height;
2613         } else {
2614             minw = self->base_size.width;
2615             minh = self->base_size.height;
2616         }
2617
2618         /* if this is a user-requested resize, then check against min/max
2619            sizes */
2620
2621         /* smaller than min size or bigger than max size? */
2622         if (*w > self->max_size.width) *w = self->max_size.width;
2623         if (*w < minw) *w = minw;
2624         if (*h > self->max_size.height) *h = self->max_size.height;
2625         if (*h < minh) *h = minh;
2626
2627         *w -= basew;
2628         *h -= baseh;
2629
2630         /* keep to the increments */
2631         *w /= self->size_inc.width;
2632         *h /= self->size_inc.height;
2633
2634         /* you cannot resize to nothing */
2635         if (basew + *w < 1) *w = 1 - basew;
2636         if (baseh + *h < 1) *h = 1 - baseh;
2637
2638         /* save the logical size */
2639         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2640         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2641
2642         *w *= self->size_inc.width;
2643         *h *= self->size_inc.height;
2644
2645         *w += basew;
2646         *h += baseh;
2647
2648         /* adjust the height to match the width for the aspect ratios.
2649            for this, min size is not substituted for base size ever. */
2650         *w -= self->base_size.width;
2651         *h -= self->base_size.height;
2652
2653         if (!self->fullscreen) {
2654             if (self->min_ratio)
2655                 if (*h * self->min_ratio > *w) {
2656                     *h = (gint)(*w / self->min_ratio);
2657
2658                     /* you cannot resize to nothing */
2659                     if (*h < 1) {
2660                         *h = 1;
2661                         *w = (gint)(*h * self->min_ratio);
2662                     }
2663                 }
2664             if (self->max_ratio)
2665                 if (*h * self->max_ratio < *w) {
2666                     *h = (gint)(*w / self->max_ratio);
2667
2668                     /* you cannot resize to nothing */
2669                     if (*h < 1) {
2670                         *h = 1;
2671                         *w = (gint)(*h * self->min_ratio);
2672                     }
2673                 }
2674         }
2675
2676         *w += self->base_size.width;
2677         *h += self->base_size.height;
2678     }
2679
2680     /* gets the frame's position */
2681     frame_client_gravity(self->frame, x, y, *w, *h);
2682
2683     /* these positions are frame positions, not client positions */
2684
2685     /* set the size and position if fullscreen */
2686     if (self->fullscreen) {
2687         Rect *a;
2688         guint i;
2689
2690         i = screen_find_monitor(&desired_area);
2691         a = screen_physical_area_monitor(i);
2692
2693         *x = a->x;
2694         *y = a->y;
2695         *w = a->width;
2696         *h = a->height;
2697
2698         user = FALSE; /* ignore if the client can't be moved/resized when it
2699                          is entering fullscreen */
2700     } else if (self->max_horz || self->max_vert) {
2701         Rect *a;
2702         guint i;
2703
2704         i = screen_find_monitor(&desired_area);
2705         a = screen_area_monitor(self->desktop, i);
2706
2707         /* set the size and position if maximized */
2708         if (self->max_horz) {
2709             *x = a->x;
2710             *w = a->width - self->frame->size.left - self->frame->size.right;
2711         }
2712         if (self->max_vert) {
2713             *y = a->y;
2714             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2715         }
2716
2717         /* maximizing is not allowed if the user can't move+resize the window
2718          */
2719     }
2720
2721     /* gets the client's position */
2722     frame_frame_gravity(self->frame, x, y, *w, *h);
2723
2724     /* these override the above states! if you cant move you can't move! */
2725     if (user) {
2726         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2727             *x = self->area.x;
2728             *y = self->area.y;
2729         }
2730         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2731             *w = self->area.width;
2732             *h = self->area.height;
2733         }
2734     }
2735
2736     g_assert(*w > 0);
2737     g_assert(*h > 0);
2738 }
2739
2740
2741 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2742                       gboolean user, gboolean final)
2743 {
2744     gint oldw, oldh;
2745     gboolean send_resize_client;
2746     gboolean moved = FALSE, resized = FALSE;
2747     gboolean fmoved, fresized;
2748     guint fdecor = self->frame->decorations;
2749     gboolean fhorz = self->frame->max_horz;
2750     gboolean fvert = self->frame->max_vert;
2751     gint logicalw, logicalh;
2752
2753     /* find the new x, y, width, and height (and logical size) */
2754     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2755
2756     /* set the logical size if things changed */
2757     if (!(w == self->area.width && h == self->area.height))
2758         SIZE_SET(self->logical_size, logicalw, logicalh);
2759
2760     /* figure out if we moved or resized or what */
2761     moved = x != self->area.x || y != self->area.y;
2762     resized = w != self->area.width || h != self->area.height;
2763
2764     oldw = self->area.width;
2765     oldh = self->area.height;
2766     RECT_SET(self->area, x, y, w, h);
2767
2768     /* for app-requested resizes, always resize if 'resized' is true.
2769        for user-requested ones, only resize if final is true, or when
2770        resizing in redraw mode */
2771     send_resize_client = ((!user && resized) ||
2772                           (user && (final ||
2773                                     (resized && config_resize_redraw))));
2774
2775     /* if the client is enlarging, then resize the client before the frame */
2776     if (send_resize_client && (w > oldw || h > oldh)) {
2777         XResizeWindow(ob_display, self->window,
2778                       MAX(w, oldw), MAX(h, oldh));
2779         /* resize the plate to show the client padding color underneath */
2780         frame_adjust_client_area(self->frame);
2781     }
2782
2783     /* find the frame's dimensions and move/resize it */
2784     fmoved = moved;
2785     fresized = resized;
2786
2787     /* if decorations changed, then readjust everything for the frame */
2788     if (self->decorations != fdecor ||
2789         self->max_horz != fhorz || self->max_vert != fvert)
2790     {
2791         fmoved = fresized = TRUE;
2792     }
2793
2794     /* adjust the frame */
2795     if (fmoved || fresized)
2796         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2797
2798     if ((!user || (user && final)) && !resized)
2799     {
2800         XEvent event;
2801
2802         POINT_SET(self->root_pos,
2803                   self->frame->area.x + self->frame->size.left -
2804                   self->border_width,
2805                   self->frame->area.y + self->frame->size.top -
2806                   self->border_width);
2807
2808         event.type = ConfigureNotify;
2809         event.xconfigure.display = ob_display;
2810         event.xconfigure.event = self->window;
2811         event.xconfigure.window = self->window;
2812
2813         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2814                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2815
2816         /* root window real coords */
2817         event.xconfigure.x = self->root_pos.x;
2818         event.xconfigure.y = self->root_pos.y;
2819         event.xconfigure.width = w;
2820         event.xconfigure.height = h;
2821         event.xconfigure.border_width = 0;
2822         event.xconfigure.above = self->frame->plate;
2823         event.xconfigure.override_redirect = FALSE;
2824         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2825                    FALSE, StructureNotifyMask, &event);
2826     }
2827
2828     /* if the client is shrinking, then resize the frame before the client */
2829     if (send_resize_client && (w <= oldw || h <= oldh)) {
2830         /* resize the plate to show the client padding color underneath */
2831         frame_adjust_client_area(self->frame);
2832
2833         if (send_resize_client)
2834             XResizeWindow(ob_display, self->window, w, h);
2835     }
2836
2837     XFlush(ob_display);
2838 }
2839
2840 void client_fullscreen(ObClient *self, gboolean fs)
2841 {
2842     gint x, y, w, h;
2843
2844     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2845         self->fullscreen == fs) return;                   /* already done */
2846
2847     self->fullscreen = fs;
2848     client_change_state(self); /* change the state hints on the client */
2849
2850     if (fs) {
2851         self->pre_fullscreen_area = self->area;
2852         /* if the window is maximized, its area isn't all that meaningful.
2853            save it's premax area instead. */
2854         if (self->max_horz) {
2855             self->pre_fullscreen_area.x = self->pre_max_area.x;
2856             self->pre_fullscreen_area.width = self->pre_max_area.width;
2857         }
2858         if (self->max_vert) {
2859             self->pre_fullscreen_area.y = self->pre_max_area.y;
2860             self->pre_fullscreen_area.height = self->pre_max_area.height;
2861         }
2862
2863         /* these will help configure_full figure out where to fullscreen
2864            the window */
2865         x = self->area.x;
2866         y = self->area.y;
2867         w = self->area.width;
2868         h = self->area.height;
2869     } else {
2870         g_assert(self->pre_fullscreen_area.width > 0 &&
2871                  self->pre_fullscreen_area.height > 0);
2872
2873         x = self->pre_fullscreen_area.x;
2874         y = self->pre_fullscreen_area.y;
2875         w = self->pre_fullscreen_area.width;
2876         h = self->pre_fullscreen_area.height;
2877         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2878     }
2879
2880     client_setup_decor_and_functions(self);
2881
2882     client_move_resize(self, x, y, w, h);
2883
2884     /* and adjust our layer/stacking. do this after resizing the window,
2885        and applying decorations, because windows which fill the screen are
2886        considered "fullscreen" and it affects their layer */
2887     client_calc_layer(self);
2888
2889     if (fs) {
2890         /* try focus us when we go into fullscreen mode */
2891         client_focus(self);
2892     }
2893 }
2894
2895 static void client_iconify_recursive(ObClient *self,
2896                                      gboolean iconic, gboolean curdesk,
2897                                      gboolean hide_animation)
2898 {
2899     GSList *it;
2900     gboolean changed = FALSE;
2901
2902
2903     if (self->iconic != iconic) {
2904         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2905                  self->window);
2906
2907         if (iconic) {
2908             /* don't let non-normal windows iconify along with their parents
2909                or whatever */
2910             if (client_normal(self)) {
2911                 self->iconic = iconic;
2912
2913                 /* update the focus lists.. iconic windows go to the bottom of
2914                    the list, put the new iconic window at the 'top of the
2915                    bottom'. */
2916                 focus_order_to_top(self);
2917
2918                 changed = TRUE;
2919             }
2920         } else {
2921             self->iconic = iconic;
2922
2923             if (curdesk && self->desktop != screen_desktop &&
2924                 self->desktop != DESKTOP_ALL)
2925                 client_set_desktop(self, screen_desktop, FALSE);
2926
2927             /* this puts it after the current focused window */
2928             focus_order_remove(self);
2929             focus_order_add_new(self);
2930
2931             changed = TRUE;
2932         }
2933     }
2934
2935     if (changed) {
2936         client_change_state(self);
2937         if (config_animate_iconify && !hide_animation)
2938             frame_begin_iconify_animation(self->frame, iconic);
2939         /* do this after starting the animation so it doesn't flash */
2940         client_showhide(self);
2941     }
2942
2943     /* iconify all direct transients, and deiconify all transients
2944        (non-direct too) */
2945     for (it = self->transients; it; it = g_slist_next(it))
2946         if (it->data != self)
2947             if (client_is_direct_child(self, it->data) || !iconic)
2948                 client_iconify_recursive(it->data, iconic, curdesk,
2949                                          hide_animation);
2950 }
2951
2952 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2953                     gboolean hide_animation)
2954 {
2955     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2956         /* move up the transient chain as far as possible first */
2957         self = client_search_top_normal_parent(self);
2958         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2959     }
2960 }
2961
2962 void client_maximize(ObClient *self, gboolean max, gint dir)
2963 {
2964     gint x, y, w, h;
2965
2966     g_assert(dir == 0 || dir == 1 || dir == 2);
2967     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2968
2969     /* check if already done */
2970     if (max) {
2971         if (dir == 0 && self->max_horz && self->max_vert) return;
2972         if (dir == 1 && self->max_horz) return;
2973         if (dir == 2 && self->max_vert) return;
2974     } else {
2975         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2976         if (dir == 1 && !self->max_horz) return;
2977         if (dir == 2 && !self->max_vert) return;
2978     }
2979
2980     /* these will help configure_full figure out which screen to fill with
2981        the window */
2982     x = self->area.x;
2983     y = self->area.y;
2984     w = self->area.width;
2985     h = self->area.height;
2986
2987     if (max) {
2988         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2989             RECT_SET(self->pre_max_area,
2990                      self->area.x, self->pre_max_area.y,
2991                      self->area.width, self->pre_max_area.height);
2992         }
2993         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2994             RECT_SET(self->pre_max_area,
2995                      self->pre_max_area.x, self->area.y,
2996                      self->pre_max_area.width, self->area.height);
2997         }
2998     } else {
2999         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3000             g_assert(self->pre_max_area.width > 0);
3001
3002             x = self->pre_max_area.x;
3003             w = self->pre_max_area.width;
3004
3005             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3006                      0, self->pre_max_area.height);
3007         }
3008         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3009             g_assert(self->pre_max_area.height > 0);
3010
3011             y = self->pre_max_area.y;
3012             h = self->pre_max_area.height;
3013
3014             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3015                      self->pre_max_area.width, 0);
3016         }
3017     }
3018
3019     if (dir == 0 || dir == 1) /* horz */
3020         self->max_horz = max;
3021     if (dir == 0 || dir == 2) /* vert */
3022         self->max_vert = max;
3023
3024     client_change_state(self); /* change the state hints on the client */
3025
3026     client_setup_decor_and_functions(self);
3027
3028     client_move_resize(self, x, y, w, h);
3029 }
3030
3031 void client_shade(ObClient *self, gboolean shade)
3032 {
3033     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3034          shade) ||                         /* can't shade */
3035         self->shaded == shade) return;     /* already done */
3036
3037     self->shaded = shade;
3038     client_change_state(self);
3039     client_change_wm_state(self); /* the window is being hidden/shown */
3040     /* resize the frame to just the titlebar */
3041     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3042 }
3043
3044 void client_close(ObClient *self)
3045 {
3046     XEvent ce;
3047
3048     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3049
3050     /* in the case that the client provides no means to requesting that it
3051        close, we just kill it */
3052     if (!self->delete_window)
3053         client_kill(self);
3054
3055     /*
3056       XXX: itd be cool to do timeouts and shit here for killing the client's
3057       process off
3058       like... if the window is around after 5 seconds, then the close button
3059       turns a nice red, and if this function is called again, the client is
3060       explicitly killed.
3061     */
3062
3063     ce.xclient.type = ClientMessage;
3064     ce.xclient.message_type =  prop_atoms.wm_protocols;
3065     ce.xclient.display = ob_display;
3066     ce.xclient.window = self->window;
3067     ce.xclient.format = 32;
3068     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3069     ce.xclient.data.l[1] = event_curtime;
3070     ce.xclient.data.l[2] = 0l;
3071     ce.xclient.data.l[3] = 0l;
3072     ce.xclient.data.l[4] = 0l;
3073     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3074 }
3075
3076 void client_kill(ObClient *self)
3077 {
3078     XKillClient(ob_display, self->window);
3079 }
3080
3081 void client_hilite(ObClient *self, gboolean hilite)
3082 {
3083     if (self->demands_attention == hilite)
3084         return; /* no change */
3085
3086     /* don't allow focused windows to hilite */
3087     self->demands_attention = hilite && !client_focused(self);
3088     if (self->frame != NULL) { /* if we're mapping, just set the state */
3089         if (self->demands_attention)
3090             frame_flash_start(self->frame);
3091         else
3092             frame_flash_stop(self->frame);
3093         client_change_state(self);
3094     }
3095 }
3096
3097 void client_set_desktop_recursive(ObClient *self,
3098                                   guint target,
3099                                   gboolean donthide)
3100 {
3101     guint old;
3102     GSList *it;
3103
3104     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3105
3106         ob_debug("Setting desktop %u\n", target+1);
3107
3108         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3109
3110         old = self->desktop;
3111         self->desktop = target;
3112         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3113         /* the frame can display the current desktop state */
3114         frame_adjust_state(self->frame);
3115         /* 'move' the window to the new desktop */
3116         if (!donthide)
3117             client_showhide(self);
3118         /* raise if it was not already on the desktop */
3119         if (old != DESKTOP_ALL)
3120             stacking_raise(CLIENT_AS_WINDOW(self));
3121         if (STRUT_EXISTS(self->strut))
3122             screen_update_areas();
3123     }
3124
3125     /* move all transients */
3126     for (it = self->transients; it; it = g_slist_next(it))
3127         if (it->data != self)
3128             if (client_is_direct_child(self, it->data))
3129                 client_set_desktop_recursive(it->data, target, donthide);
3130 }
3131
3132 void client_set_desktop(ObClient *self, guint target,
3133                         gboolean donthide)
3134 {
3135     self = client_search_top_normal_parent(self);
3136     client_set_desktop_recursive(self, target, donthide);
3137 }
3138
3139 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3140 {
3141     while (child != parent &&
3142            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3143         child = child->transient_for;
3144     return child == parent;
3145 }
3146
3147 ObClient *client_search_modal_child(ObClient *self)
3148 {
3149     GSList *it;
3150     ObClient *ret;
3151
3152     for (it = self->transients; it; it = g_slist_next(it)) {
3153         ObClient *c = it->data;
3154         if ((ret = client_search_modal_child(c))) return ret;
3155         if (c->modal) return c;
3156     }
3157     return NULL;
3158 }
3159
3160 gboolean client_validate(ObClient *self)
3161 {
3162     XEvent e;
3163
3164     XSync(ob_display, FALSE); /* get all events on the server */
3165
3166     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3167         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3168         XPutBackEvent(ob_display, &e);
3169         return FALSE;
3170     }
3171
3172     return TRUE;
3173 }
3174
3175 void client_set_wm_state(ObClient *self, glong state)
3176 {
3177     if (state == self->wmstate) return; /* no change */
3178
3179     switch (state) {
3180     case IconicState:
3181         client_iconify(self, TRUE, TRUE, FALSE);
3182         break;
3183     case NormalState:
3184         client_iconify(self, FALSE, TRUE, FALSE);
3185         break;
3186     }
3187 }
3188
3189 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3190 {
3191     gboolean shaded = self->shaded;
3192     gboolean fullscreen = self->fullscreen;
3193     gboolean undecorated = self->undecorated;
3194     gboolean max_horz = self->max_horz;
3195     gboolean max_vert = self->max_vert;
3196     gboolean modal = self->modal;
3197     gboolean iconic = self->iconic;
3198     gboolean demands_attention = self->demands_attention;
3199     gboolean above = self->above;
3200     gboolean below = self->below;
3201     gint i;
3202
3203     if (!(action == prop_atoms.net_wm_state_add ||
3204           action == prop_atoms.net_wm_state_remove ||
3205           action == prop_atoms.net_wm_state_toggle))
3206         /* an invalid action was passed to the client message, ignore it */
3207         return;
3208
3209     for (i = 0; i < 2; ++i) {
3210         Atom state = i == 0 ? data1 : data2;
3211
3212         if (!state) continue;
3213
3214         /* if toggling, then pick whether we're adding or removing */
3215         if (action == prop_atoms.net_wm_state_toggle) {
3216             if (state == prop_atoms.net_wm_state_modal)
3217                 action = modal ? prop_atoms.net_wm_state_remove :
3218                     prop_atoms.net_wm_state_add;
3219             else if (state == prop_atoms.net_wm_state_maximized_vert)
3220                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3221                     prop_atoms.net_wm_state_add;
3222             else if (state == prop_atoms.net_wm_state_maximized_horz)
3223                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3224                     prop_atoms.net_wm_state_add;
3225             else if (state == prop_atoms.net_wm_state_shaded)
3226                 action = shaded ? prop_atoms.net_wm_state_remove :
3227                     prop_atoms.net_wm_state_add;
3228             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3229                 action = self->skip_taskbar ?
3230                     prop_atoms.net_wm_state_remove :
3231                     prop_atoms.net_wm_state_add;
3232             else if (state == prop_atoms.net_wm_state_skip_pager)
3233                 action = self->skip_pager ?
3234                     prop_atoms.net_wm_state_remove :
3235                     prop_atoms.net_wm_state_add;
3236             else if (state == prop_atoms.net_wm_state_hidden)
3237                 action = self->iconic ?
3238                     prop_atoms.net_wm_state_remove :
3239                     prop_atoms.net_wm_state_add;
3240             else if (state == prop_atoms.net_wm_state_fullscreen)
3241                 action = fullscreen ?
3242                     prop_atoms.net_wm_state_remove :
3243                     prop_atoms.net_wm_state_add;
3244             else if (state == prop_atoms.net_wm_state_above)
3245                 action = self->above ? prop_atoms.net_wm_state_remove :
3246                     prop_atoms.net_wm_state_add;
3247             else if (state == prop_atoms.net_wm_state_below)
3248                 action = self->below ? prop_atoms.net_wm_state_remove :
3249                     prop_atoms.net_wm_state_add;
3250             else if (state == prop_atoms.net_wm_state_demands_attention)
3251                 action = self->demands_attention ?
3252                     prop_atoms.net_wm_state_remove :
3253                     prop_atoms.net_wm_state_add;
3254             else if (state == prop_atoms.ob_wm_state_undecorated)
3255                 action = undecorated ? prop_atoms.net_wm_state_remove :
3256                     prop_atoms.net_wm_state_add;
3257         }
3258
3259         if (action == prop_atoms.net_wm_state_add) {
3260             if (state == prop_atoms.net_wm_state_modal) {
3261                 modal = TRUE;
3262             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3263                 max_vert = TRUE;
3264             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3265                 max_horz = TRUE;
3266             } else if (state == prop_atoms.net_wm_state_shaded) {
3267                 shaded = TRUE;
3268             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3269                 self->skip_taskbar = TRUE;
3270             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3271                 self->skip_pager = TRUE;
3272             } else if (state == prop_atoms.net_wm_state_hidden) {
3273                 iconic = TRUE;
3274             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3275                 fullscreen = TRUE;
3276             } else if (state == prop_atoms.net_wm_state_above) {
3277                 above = TRUE;
3278                 below = FALSE;
3279             } else if (state == prop_atoms.net_wm_state_below) {
3280                 above = FALSE;
3281                 below = TRUE;
3282             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3283                 demands_attention = TRUE;
3284             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3285                 undecorated = TRUE;
3286             }
3287
3288         } else { /* action == prop_atoms.net_wm_state_remove */
3289             if (state == prop_atoms.net_wm_state_modal) {
3290                 modal = FALSE;
3291             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3292                 max_vert = FALSE;
3293             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3294                 max_horz = FALSE;
3295             } else if (state == prop_atoms.net_wm_state_shaded) {
3296                 shaded = FALSE;
3297             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3298                 self->skip_taskbar = FALSE;
3299             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3300                 self->skip_pager = FALSE;
3301             } else if (state == prop_atoms.net_wm_state_hidden) {
3302                 iconic = FALSE;
3303             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3304                 fullscreen = FALSE;
3305             } else if (state == prop_atoms.net_wm_state_above) {
3306                 above = FALSE;
3307             } else if (state == prop_atoms.net_wm_state_below) {
3308                 below = FALSE;
3309             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3310                 demands_attention = FALSE;
3311             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3312                 undecorated = FALSE;
3313             }
3314         }
3315     }
3316
3317     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3318         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3319             /* toggling both */
3320             if (max_horz == max_vert) { /* both going the same way */
3321                 client_maximize(self, max_horz, 0);
3322             } else {
3323                 client_maximize(self, max_horz, 1);
3324                 client_maximize(self, max_vert, 2);
3325             }
3326         } else {
3327             /* toggling one */
3328             if (max_horz != self->max_horz)
3329                 client_maximize(self, max_horz, 1);
3330             else
3331                 client_maximize(self, max_vert, 2);
3332         }
3333     }
3334     /* change fullscreen state before shading, as it will affect if the window
3335        can shade or not */
3336     if (fullscreen != self->fullscreen)
3337         client_fullscreen(self, fullscreen);
3338     if (shaded != self->shaded)
3339         client_shade(self, shaded);
3340     if (undecorated != self->undecorated)
3341         client_set_undecorated(self, undecorated);
3342     if (above != self->above || below != self->below) {
3343         self->above = above;
3344         self->below = below;
3345         client_calc_layer(self);
3346     }
3347
3348     if (modal != self->modal) {
3349         self->modal = modal;
3350         /* when a window changes modality, then its stacking order with its
3351            transients needs to change */
3352         stacking_raise(CLIENT_AS_WINDOW(self));
3353
3354         /* it also may get focused. if something is focused that shouldn't
3355            be focused anymore, then move the focus */
3356         if (focus_client && client_focus_target(focus_client) != focus_client)
3357             client_focus(focus_client);
3358     }
3359
3360     if (iconic != self->iconic)
3361         client_iconify(self, iconic, FALSE, FALSE);
3362
3363     if (demands_attention != self->demands_attention)
3364         client_hilite(self, demands_attention);
3365
3366     client_change_state(self); /* change the hint to reflect these changes */
3367 }
3368
3369 ObClient *client_focus_target(ObClient *self)
3370 {
3371     ObClient *child = NULL;
3372
3373     child = client_search_modal_child(self);
3374     if (child) return child;
3375     return self;
3376 }
3377
3378 gboolean client_can_focus(ObClient *self)
3379 {
3380     /* choose the correct target */
3381     self = client_focus_target(self);
3382
3383     if (!self->frame->visible)
3384         return FALSE;
3385
3386     if (!(self->can_focus || self->focus_notify))
3387         return FALSE;
3388
3389     return TRUE;
3390 }
3391
3392 gboolean client_focus(ObClient *self)
3393 {
3394     /* choose the correct target */
3395     self = client_focus_target(self);
3396
3397     if (!client_can_focus(self)) {
3398         if (!self->frame->visible) {
3399             /* update the focus lists */
3400             focus_order_to_top(self);
3401         }
3402         return FALSE;
3403     }
3404
3405     ob_debug_type(OB_DEBUG_FOCUS,
3406                   "Focusing client \"%s\" at time %u\n",
3407                   self->title, event_curtime);
3408
3409     /* if there is a grab going on, then we need to cancel it. if we move
3410        focus during the grab, applications will get NotifyWhileGrabbed events
3411        and ignore them !
3412
3413        actions should not rely on being able to move focus during an
3414        interactive grab.
3415     */
3416     if (keyboard_interactively_grabbed())
3417         keyboard_interactive_cancel();
3418
3419     xerror_set_ignore(TRUE);
3420     xerror_occured = FALSE;
3421
3422     if (self->can_focus) {
3423         /* This can cause a BadMatch error with CurrentTime, or if an app
3424            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3425         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3426                        event_curtime);
3427     }
3428
3429     if (self->focus_notify) {
3430         XEvent ce;
3431         ce.xclient.type = ClientMessage;
3432         ce.xclient.message_type = prop_atoms.wm_protocols;
3433         ce.xclient.display = ob_display;
3434         ce.xclient.window = self->window;
3435         ce.xclient.format = 32;
3436         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3437         ce.xclient.data.l[1] = event_curtime;
3438         ce.xclient.data.l[2] = 0l;
3439         ce.xclient.data.l[3] = 0l;
3440         ce.xclient.data.l[4] = 0l;
3441         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3442     }
3443
3444     xerror_set_ignore(FALSE);
3445
3446     return !xerror_occured;
3447 }
3448
3449 /*! Present the client to the user.
3450   @param raise If the client should be raised or not. You should only set
3451                raise to false if you don't care if the window is completely
3452                hidden.
3453 */
3454 static void client_present(ObClient *self, gboolean here, gboolean raise)
3455 {
3456     /* if using focus_delay, stop the timer now so that focus doesn't
3457        go moving on us */
3458     event_halt_focus_delay();
3459
3460     if (client_normal(self) && screen_showing_desktop)
3461         screen_show_desktop(FALSE, self);
3462     if (self->iconic)
3463         client_iconify(self, FALSE, here, FALSE);
3464     if (self->desktop != DESKTOP_ALL &&
3465         self->desktop != screen_desktop)
3466     {
3467         if (here)
3468             client_set_desktop(self, screen_desktop, FALSE);
3469         else
3470             screen_set_desktop(self->desktop, FALSE);
3471     } else if (!self->frame->visible)
3472         /* if its not visible for other reasons, then don't mess
3473            with it */
3474         return;
3475     if (self->shaded)
3476         client_shade(self, FALSE);
3477     if (raise)
3478         stacking_raise(CLIENT_AS_WINDOW(self));
3479
3480     client_focus(self);
3481 }
3482
3483 void client_activate(ObClient *self, gboolean here, gboolean user)
3484 {
3485     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3486     gboolean allow = FALSE;
3487
3488     /* if the request came from the user, or if nothing is focused, then grant
3489        the request.
3490        if the currently focused app doesn't set a user_time, then it can't
3491        benefit from any focus stealing prevention.
3492     */
3493     if (user || !focus_client || !last_time)
3494         allow = TRUE;
3495     /* otherwise, if they didn't give a time stamp or if it is too old, they
3496        don't get focus */
3497     else
3498         allow = event_curtime && event_time_after(event_curtime, last_time);
3499
3500     ob_debug_type(OB_DEBUG_FOCUS,
3501                   "Want to activate window 0x%x with time %u (last time %u), "
3502                   "source=%s allowing? %d\n",
3503                   self->window, event_curtime, last_time,
3504                   (user ? "user" : "application"), allow);
3505
3506     if (allow)
3507         client_present(self, here, TRUE);
3508     else
3509         /* don't focus it but tell the user it wants attention */
3510         client_hilite(self, TRUE);
3511 }
3512
3513 static void client_bring_helper_windows_recursive(ObClient *self,
3514                                                   guint desktop)
3515 {
3516     GSList *it;
3517
3518     for (it = self->transients; it; it = g_slist_next(it))
3519         client_bring_helper_windows_recursive(it->data, desktop);
3520
3521     if (client_helper(self) &&
3522         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3523     {
3524         client_set_desktop(self, desktop, FALSE);
3525     }
3526 }
3527
3528 void client_bring_helper_windows(ObClient *self)
3529 {
3530     client_bring_helper_windows_recursive(self, self->desktop);
3531 }
3532
3533 gboolean client_focused(ObClient *self)
3534 {
3535     return self == focus_client;
3536 }
3537
3538 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3539 {
3540     guint i;
3541     gulong min_diff, min_i;
3542
3543     if (!self->nicons) {
3544         ObClientIcon *parent = NULL;
3545
3546         if (self->transient_for) {
3547             if (self->transient_for != OB_TRAN_GROUP)
3548                 parent = client_icon_recursive(self->transient_for, w, h);
3549             else {
3550                 GSList *it;
3551                 for (it = self->group->members; it; it = g_slist_next(it)) {
3552                     ObClient *c = it->data;
3553                     if (c != self && !c->transient_for) {
3554                         if ((parent = client_icon_recursive(c, w, h)))
3555                             break;
3556                     }
3557                 }
3558             }
3559         }
3560
3561         return parent;
3562     }
3563
3564     /* some kind of crappy approximation to find the icon closest in size to
3565        what we requested, but icons are generally all the same ratio as
3566        eachother so it's good enough. */
3567
3568     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3569     min_i = 0;
3570
3571     for (i = 1; i < self->nicons; ++i) {
3572         gulong diff;
3573
3574         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3575         if (diff < min_diff) {
3576             min_diff = diff;
3577             min_i = i;
3578         }
3579     }
3580     return &self->icons[min_i];
3581 }
3582
3583 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3584 {
3585     ObClientIcon *ret;
3586     static ObClientIcon deficon;
3587
3588     if (!(ret = client_icon_recursive(self, w, h))) {
3589         deficon.width = deficon.height = 48;
3590         deficon.data = ob_rr_theme->def_win_icon;
3591         ret = &deficon;
3592     }
3593     return ret;
3594 }
3595
3596 void client_set_layer(ObClient *self, gint layer)
3597 {
3598     if (layer < 0) {
3599         self->below = TRUE;
3600         self->above = FALSE;
3601     } else if (layer == 0) {
3602         self->below = self->above = FALSE;
3603     } else {
3604         self->below = FALSE;
3605         self->above = TRUE;
3606     }
3607     client_calc_layer(self);
3608     client_change_state(self); /* reflect this in the state hints */
3609 }
3610
3611 void client_set_undecorated(ObClient *self, gboolean undecorated)
3612 {
3613     if (self->undecorated != undecorated &&
3614         /* don't let it undecorate if the function is missing, but let
3615            it redecorate */
3616         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3617     {
3618         self->undecorated = undecorated;
3619         client_setup_decor_and_functions(self);
3620         client_reconfigure(self); /* show the lack of decorations */
3621         client_change_state(self); /* reflect this in the state hints */
3622     }
3623 }
3624
3625 guint client_monitor(ObClient *self)
3626 {
3627     return screen_find_monitor(&self->frame->area);
3628 }
3629
3630 ObClient *client_search_top_normal_parent(ObClient *self)
3631 {
3632     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3633            client_normal(self->transient_for))
3634         self = self->transient_for;
3635     return self;
3636 }
3637
3638 static GSList *client_search_all_top_parents_internal(ObClient *self,
3639                                                       gboolean bylayer,
3640                                                       ObStackingLayer layer)
3641 {
3642     GSList *ret = NULL;
3643
3644     /* move up the direct transient chain as far as possible */
3645     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3646            (!bylayer || self->transient_for->layer == layer) &&
3647            client_normal(self->transient_for))
3648         self = self->transient_for;
3649
3650     if (!self->transient_for)
3651         ret = g_slist_prepend(ret, self);
3652     else {
3653             GSList *it;
3654
3655             g_assert(self->group);
3656
3657             for (it = self->group->members; it; it = g_slist_next(it)) {
3658                 ObClient *c = it->data;
3659
3660                 if (!c->transient_for && client_normal(c) &&
3661                     (!bylayer || c->layer == layer))
3662                 {
3663                     ret = g_slist_prepend(ret, c);
3664                 }
3665             }
3666
3667             if (ret == NULL) /* no group parents */
3668                 ret = g_slist_prepend(ret, self);
3669     }
3670
3671     return ret;
3672 }
3673
3674 GSList *client_search_all_top_parents(ObClient *self)
3675 {
3676     return client_search_all_top_parents_internal(self, FALSE, 0);
3677 }
3678
3679 GSList *client_search_all_top_parents_layer(ObClient *self)
3680 {
3681     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3682 }
3683
3684 ObClient *client_search_focus_parent(ObClient *self)
3685 {
3686     if (self->transient_for) {
3687         if (self->transient_for != OB_TRAN_GROUP) {
3688             if (client_focused(self->transient_for))
3689                 return self->transient_for;
3690         } else {
3691             GSList *it;
3692
3693             for (it = self->group->members; it; it = g_slist_next(it)) {
3694                 ObClient *c = it->data;
3695
3696                 /* checking transient_for prevents infinate loops! */
3697                 if (c != self && !c->transient_for)
3698                     if (client_focused(c))
3699                         return c;
3700             }
3701         }
3702     }
3703
3704     return NULL;
3705 }
3706
3707 ObClient *client_search_parent(ObClient *self, ObClient *search)
3708 {
3709     if (self->transient_for) {
3710         if (self->transient_for != OB_TRAN_GROUP) {
3711             if (self->transient_for == search)
3712                 return search;
3713         } else {
3714             GSList *it;
3715
3716             for (it = self->group->members; it; it = g_slist_next(it)) {
3717                 ObClient *c = it->data;
3718
3719                 /* checking transient_for prevents infinate loops! */
3720                 if (c != self && !c->transient_for)
3721                     if (c == search)
3722                         return search;
3723             }
3724         }
3725     }
3726
3727     return NULL;
3728 }
3729
3730 ObClient *client_search_transient(ObClient *self, ObClient *search)
3731 {
3732     GSList *sit;
3733
3734     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3735         if (sit->data == search)
3736             return search;
3737         if (client_search_transient(sit->data, search))
3738             return search;
3739     }
3740     return NULL;
3741 }
3742
3743 #define WANT_EDGE(cur, c) \
3744             if(cur == c)                                                      \
3745                 continue;                                                     \
3746             if(!client_normal(cur))                                           \
3747                 continue;                                                     \
3748             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3749                 continue;                                                     \
3750             if(cur->iconic)                                                   \
3751                 continue;
3752
3753 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3754             if ((his_edge_start >= my_edge_start && \
3755                  his_edge_start <= my_edge_end) ||  \
3756                 (my_edge_start >= his_edge_start && \
3757                  my_edge_start <= his_edge_end))    \
3758                 dest = his_offset;
3759
3760 /* finds the nearest edge in the given direction from the current client
3761  * note to self: the edge is the -frame- edge (the actual one), not the
3762  * client edge.
3763  */
3764 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3765 {
3766     gint dest, monitor_dest;
3767     gint my_edge_start, my_edge_end, my_offset;
3768     GList *it;
3769     Rect *a, *monitor;
3770
3771     if(!client_list)
3772         return -1;
3773
3774     a = screen_area(c->desktop);
3775     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3776
3777     switch(dir) {
3778     case OB_DIRECTION_NORTH:
3779         my_edge_start = c->frame->area.x;
3780         my_edge_end = c->frame->area.x + c->frame->area.width;
3781         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3782
3783         /* default: top of screen */
3784         dest = a->y + (hang ? c->frame->area.height : 0);
3785         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3786         /* if the monitor edge comes before the screen edge, */
3787         /* use that as the destination instead. (For xinerama) */
3788         if (monitor_dest != dest && my_offset > monitor_dest)
3789             dest = monitor_dest;
3790
3791         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3792             gint his_edge_start, his_edge_end, his_offset;
3793             ObClient *cur = it->data;
3794
3795             WANT_EDGE(cur, c)
3796
3797             his_edge_start = cur->frame->area.x;
3798             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3799             his_offset = cur->frame->area.y +
3800                          (hang ? 0 : cur->frame->area.height);
3801
3802             if(his_offset + 1 > my_offset)
3803                 continue;
3804
3805             if(his_offset < dest)
3806                 continue;
3807
3808             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3809         }
3810         break;
3811     case OB_DIRECTION_SOUTH:
3812         my_edge_start = c->frame->area.x;
3813         my_edge_end = c->frame->area.x + c->frame->area.width;
3814         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3815
3816         /* default: bottom of screen */
3817         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3818         monitor_dest = monitor->y + monitor->height -
3819                        (hang ? c->frame->area.height : 0);
3820         /* if the monitor edge comes before the screen edge, */
3821         /* use that as the destination instead. (For xinerama) */
3822         if (monitor_dest != dest && my_offset < monitor_dest)
3823             dest = monitor_dest;
3824
3825         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3826             gint his_edge_start, his_edge_end, his_offset;
3827             ObClient *cur = it->data;
3828
3829             WANT_EDGE(cur, c)
3830
3831             his_edge_start = cur->frame->area.x;
3832             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3833             his_offset = cur->frame->area.y +
3834                          (hang ? cur->frame->area.height : 0);
3835
3836
3837             if(his_offset - 1 < my_offset)
3838                 continue;
3839
3840             if(his_offset > dest)
3841                 continue;
3842
3843             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3844         }
3845         break;
3846     case OB_DIRECTION_WEST:
3847         my_edge_start = c->frame->area.y;
3848         my_edge_end = c->frame->area.y + c->frame->area.height;
3849         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3850
3851         /* default: leftmost egde of screen */
3852         dest = a->x + (hang ? c->frame->area.width : 0);
3853         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3854         /* if the monitor edge comes before the screen edge, */
3855         /* use that as the destination instead. (For xinerama) */
3856         if (monitor_dest != dest && my_offset > monitor_dest)
3857             dest = monitor_dest;
3858
3859         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3860             gint his_edge_start, his_edge_end, his_offset;
3861             ObClient *cur = it->data;
3862
3863             WANT_EDGE(cur, c)
3864
3865             his_edge_start = cur->frame->area.y;
3866             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3867             his_offset = cur->frame->area.x +
3868                          (hang ? 0 : cur->frame->area.width);
3869
3870             if(his_offset + 1 > my_offset)
3871                 continue;
3872
3873             if(his_offset < dest)
3874                 continue;
3875
3876             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3877         }
3878        break;
3879     case OB_DIRECTION_EAST:
3880         my_edge_start = c->frame->area.y;
3881         my_edge_end = c->frame->area.y + c->frame->area.height;
3882         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3883
3884         /* default: rightmost edge of screen */
3885         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3886         monitor_dest = monitor->x + monitor->width -
3887                        (hang ? c->frame->area.width : 0);
3888         /* if the monitor edge comes before the screen edge, */
3889         /* use that as the destination instead. (For xinerama) */
3890         if (monitor_dest != dest && my_offset < monitor_dest)
3891             dest = monitor_dest;
3892
3893         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3894             gint his_edge_start, his_edge_end, his_offset;
3895             ObClient *cur = it->data;
3896
3897             WANT_EDGE(cur, c)
3898
3899             his_edge_start = cur->frame->area.y;
3900             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3901             his_offset = cur->frame->area.x +
3902                          (hang ? cur->frame->area.width : 0);
3903
3904             if(his_offset - 1 < my_offset)
3905                 continue;
3906
3907             if(his_offset > dest)
3908                 continue;
3909
3910             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3911         }
3912         break;
3913     case OB_DIRECTION_NORTHEAST:
3914     case OB_DIRECTION_SOUTHEAST:
3915     case OB_DIRECTION_NORTHWEST:
3916     case OB_DIRECTION_SOUTHWEST:
3917         /* not implemented */
3918     default:
3919         g_assert_not_reached();
3920         dest = 0; /* suppress warning */
3921     }
3922     return dest;
3923 }
3924
3925 ObClient* client_under_pointer()
3926 {
3927     gint x, y;
3928     GList *it;
3929     ObClient *ret = NULL;
3930
3931     if (screen_pointer_pos(&x, &y)) {
3932         for (it = stacking_list; it; it = g_list_next(it)) {
3933             if (WINDOW_IS_CLIENT(it->data)) {
3934                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3935                 if (c->frame->visible &&
3936                     /* ignore all animating windows */
3937                     !frame_iconify_animating(c->frame) &&
3938                     RECT_CONTAINS(c->frame->area, x, y))
3939                 {
3940                     ret = c;
3941                     break;
3942                 }
3943             }
3944         }
3945     }
3946     return ret;
3947 }
3948
3949 gboolean client_has_group_siblings(ObClient *self)
3950 {
3951     return self->group && self->group->members->next;
3952 }