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     }
2290 }
2291
2292 static void client_change_state(ObClient *self)
2293 {
2294     gulong netstate[11];
2295     guint num;
2296
2297     num = 0;
2298     if (self->modal)
2299         netstate[num++] = prop_atoms.net_wm_state_modal;
2300     if (self->shaded)
2301         netstate[num++] = prop_atoms.net_wm_state_shaded;
2302     if (self->iconic)
2303         netstate[num++] = prop_atoms.net_wm_state_hidden;
2304     if (self->skip_taskbar)
2305         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2306     if (self->skip_pager)
2307         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2308     if (self->fullscreen)
2309         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2310     if (self->max_vert)
2311         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2312     if (self->max_horz)
2313         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2314     if (self->above)
2315         netstate[num++] = prop_atoms.net_wm_state_above;
2316     if (self->below)
2317         netstate[num++] = prop_atoms.net_wm_state_below;
2318     if (self->demands_attention)
2319         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2320     if (self->undecorated)
2321         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2322     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2323
2324     if (self->frame)
2325         frame_adjust_state(self->frame);
2326 }
2327
2328 ObClient *client_search_focus_tree(ObClient *self)
2329 {
2330     GSList *it;
2331     ObClient *ret;
2332
2333     for (it = self->transients; it; it = g_slist_next(it)) {
2334         if (client_focused(it->data)) return it->data;
2335         if ((ret = client_search_focus_tree(it->data))) return ret;
2336     }
2337     return NULL;
2338 }
2339
2340 ObClient *client_search_focus_tree_full(ObClient *self)
2341 {
2342     if (self->transient_for) {
2343         if (self->transient_for != OB_TRAN_GROUP) {
2344             return client_search_focus_tree_full(self->transient_for);
2345         } else {
2346             GSList *it;
2347             gboolean recursed = FALSE;
2348
2349             for (it = self->group->members; it; it = g_slist_next(it))
2350                 if (!((ObClient*)it->data)->transient_for) {
2351                     ObClient *c;
2352                     if ((c = client_search_focus_tree_full(it->data)))
2353                         return c;
2354                     recursed = TRUE;
2355                 }
2356             if (recursed)
2357                 return NULL;
2358         }
2359     }
2360
2361     /* this function checks the whole tree, the client_search_focus_tree~
2362        does not, so we need to check this window */
2363     if (client_focused(self))
2364         return self;
2365     return client_search_focus_tree(self);
2366 }
2367
2368 static ObStackingLayer calc_layer(ObClient *self)
2369 {
2370     ObStackingLayer l;
2371
2372     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2373         l = OB_STACKING_LAYER_DESKTOP;
2374     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2375         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2376         else l = OB_STACKING_LAYER_ABOVE;
2377     }
2378     else if ((self->fullscreen ||
2379               /* No decorations and fills the monitor = oldskool fullscreen.
2380                  But not for undecorated windows, because the user can do that
2381               */
2382               (self->decorations == 0 &&
2383                !self->undecorated &&
2384                RECT_EQUAL(self->area,
2385                           *screen_physical_area_monitor
2386                           (client_monitor(self))))) &&
2387              (client_focused(self) || client_search_focus_tree(self)))
2388         l = OB_STACKING_LAYER_FULLSCREEN;
2389     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2390     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2391     else l = OB_STACKING_LAYER_NORMAL;
2392
2393     return l;
2394 }
2395
2396 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2397                                         ObStackingLayer min)
2398 {
2399     ObStackingLayer old, own;
2400     GSList *it;
2401
2402     old = self->layer;
2403     own = calc_layer(self);
2404     self->layer = MAX(own, min);
2405
2406     if (self->layer != old) {
2407         stacking_remove(CLIENT_AS_WINDOW(self));
2408         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2409     }
2410
2411     for (it = self->transients; it; it = g_slist_next(it))
2412         client_calc_layer_recursive(it->data, orig,
2413                                     self->layer);
2414 }
2415
2416 void client_calc_layer(ObClient *self)
2417 {
2418     ObClient *orig;
2419     GSList *it;
2420
2421     orig = self;
2422
2423     /* transients take on the layer of their parents */
2424     it = client_search_all_top_parents(self);
2425
2426     for (; it; it = g_slist_next(it))
2427         client_calc_layer_recursive(it->data, orig, 0);
2428 }
2429
2430 gboolean client_should_show(ObClient *self)
2431 {
2432     if (self->iconic)
2433         return FALSE;
2434     if (client_normal(self) && screen_showing_desktop)
2435         return FALSE;
2436     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2437         return TRUE;
2438
2439     return FALSE;
2440 }
2441
2442 gboolean client_show(ObClient *self)
2443 {
2444     gboolean show = FALSE;
2445
2446     if (client_should_show(self)) {
2447         frame_show(self->frame);
2448         show = TRUE;
2449
2450         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2451            it needs to be in IconicState. This includes when it is on another
2452            desktop!
2453         */
2454         client_change_wm_state(self);
2455     }
2456     return show;
2457 }
2458
2459 gboolean client_hide(ObClient *self)
2460 {
2461     gboolean hide = FALSE;
2462
2463     if (!client_should_show(self)) {
2464         if (self == focus_client) {
2465             /* if there is a grab going on, then we need to cancel it. if we
2466                move focus during the grab, applications will get
2467                NotifyWhileGrabbed events and ignore them !
2468
2469                actions should not rely on being able to move focus during an
2470                interactive grab.
2471             */
2472             if (keyboard_interactively_grabbed())
2473                 keyboard_interactive_cancel();
2474         }
2475
2476         frame_hide(self->frame);
2477         hide = TRUE;
2478
2479         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2480            it needs to be in IconicState. This includes when it is on another
2481            desktop!
2482         */
2483         client_change_wm_state(self);
2484     }
2485     return hide;
2486 }
2487
2488 void client_showhide(ObClient *self)
2489 {
2490     if (!client_show(self))
2491         client_hide(self);
2492 }
2493
2494 gboolean client_normal(ObClient *self) {
2495     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2496               self->type == OB_CLIENT_TYPE_DOCK ||
2497               self->type == OB_CLIENT_TYPE_SPLASH);
2498 }
2499
2500 gboolean client_helper(ObClient *self)
2501 {
2502     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2503             self->type == OB_CLIENT_TYPE_MENU ||
2504             self->type == OB_CLIENT_TYPE_TOOLBAR);
2505 }
2506
2507 gboolean client_mouse_focusable(ObClient *self)
2508 {
2509     return !(self->type == OB_CLIENT_TYPE_MENU ||
2510              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2511              self->type == OB_CLIENT_TYPE_SPLASH ||
2512              self->type == OB_CLIENT_TYPE_DOCK);
2513 }
2514
2515 gboolean client_enter_focusable(ObClient *self)
2516 {
2517     /* you can focus desktops but it shouldn't on enter */
2518     return (client_mouse_focusable(self) &&
2519             self->type != OB_CLIENT_TYPE_DESKTOP);
2520 }
2521
2522
2523 static void client_apply_startup_state(ObClient *self)
2524 {
2525     /* set the desktop hint, to make sure that it always exists */
2526     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2527
2528     /* these are in a carefully crafted order.. */
2529
2530     if (self->iconic) {
2531         self->iconic = FALSE;
2532         client_iconify(self, TRUE, FALSE, TRUE);
2533     }
2534     if (self->fullscreen) {
2535         self->fullscreen = FALSE;
2536         client_fullscreen(self, TRUE);
2537     }
2538     if (self->undecorated) {
2539         self->undecorated = FALSE;
2540         client_set_undecorated(self, TRUE);
2541     }
2542     if (self->shaded) {
2543         self->shaded = FALSE;
2544         client_shade(self, TRUE);
2545     }
2546     if (self->demands_attention) {
2547         self->demands_attention = FALSE;
2548         client_hilite(self, TRUE);
2549     }
2550
2551     if (self->max_vert && self->max_horz) {
2552         self->max_vert = self->max_horz = FALSE;
2553         client_maximize(self, TRUE, 0);
2554     } else if (self->max_vert) {
2555         self->max_vert = FALSE;
2556         client_maximize(self, TRUE, 2);
2557     } else if (self->max_horz) {
2558         self->max_horz = FALSE;
2559         client_maximize(self, TRUE, 1);
2560     }
2561
2562     /* nothing to do for the other states:
2563        skip_taskbar
2564        skip_pager
2565        modal
2566        above
2567        below
2568     */
2569 }
2570
2571 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2572                             gint w, gint h)
2573 {
2574     gint oldg = self->gravity;
2575
2576     /* get the frame's position from the requested stuff */
2577     self->gravity = gravity;
2578     frame_client_gravity(self->frame, x, y, w, h);
2579     self->gravity = oldg;
2580
2581     /* get the client's position in its true gravity from that */
2582     frame_frame_gravity(self->frame, x, y, w, h);
2583 }
2584
2585 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2586                           gint *logicalw, gint *logicalh,
2587                           gboolean user)
2588 {
2589     Rect desired_area = {*x, *y, *w, *h};
2590
2591     /* make the frame recalculate its dimentions n shit without changing
2592        anything visible for real, this way the constraints below can work with
2593        the updated frame dimensions. */
2594     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2595
2596     /* work within the prefered sizes given by the window */
2597     if (!(*w == self->area.width && *h == self->area.height)) {
2598         gint basew, baseh, minw, minh;
2599
2600         /* base size is substituted with min size if not specified */
2601         if (self->base_size.width || self->base_size.height) {
2602             basew = self->base_size.width;
2603             baseh = self->base_size.height;
2604         } else {
2605             basew = self->min_size.width;
2606             baseh = self->min_size.height;
2607         }
2608         /* min size is substituted with base size if not specified */
2609         if (self->min_size.width || self->min_size.height) {
2610             minw = self->min_size.width;
2611             minh = self->min_size.height;
2612         } else {
2613             minw = self->base_size.width;
2614             minh = self->base_size.height;
2615         }
2616
2617         /* if this is a user-requested resize, then check against min/max
2618            sizes */
2619
2620         /* smaller than min size or bigger than max size? */
2621         if (*w > self->max_size.width) *w = self->max_size.width;
2622         if (*w < minw) *w = minw;
2623         if (*h > self->max_size.height) *h = self->max_size.height;
2624         if (*h < minh) *h = minh;
2625
2626         *w -= basew;
2627         *h -= baseh;
2628
2629         /* keep to the increments */
2630         *w /= self->size_inc.width;
2631         *h /= self->size_inc.height;
2632
2633         /* you cannot resize to nothing */
2634         if (basew + *w < 1) *w = 1 - basew;
2635         if (baseh + *h < 1) *h = 1 - baseh;
2636
2637         /* save the logical size */
2638         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2639         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2640
2641         *w *= self->size_inc.width;
2642         *h *= self->size_inc.height;
2643
2644         *w += basew;
2645         *h += baseh;
2646
2647         /* adjust the height to match the width for the aspect ratios.
2648            for this, min size is not substituted for base size ever. */
2649         *w -= self->base_size.width;
2650         *h -= self->base_size.height;
2651
2652         if (!self->fullscreen) {
2653             if (self->min_ratio)
2654                 if (*h * self->min_ratio > *w) {
2655                     *h = (gint)(*w / self->min_ratio);
2656
2657                     /* you cannot resize to nothing */
2658                     if (*h < 1) {
2659                         *h = 1;
2660                         *w = (gint)(*h * self->min_ratio);
2661                     }
2662                 }
2663             if (self->max_ratio)
2664                 if (*h * self->max_ratio < *w) {
2665                     *h = (gint)(*w / self->max_ratio);
2666
2667                     /* you cannot resize to nothing */
2668                     if (*h < 1) {
2669                         *h = 1;
2670                         *w = (gint)(*h * self->min_ratio);
2671                     }
2672                 }
2673         }
2674
2675         *w += self->base_size.width;
2676         *h += self->base_size.height;
2677     }
2678
2679     /* gets the frame's position */
2680     frame_client_gravity(self->frame, x, y, *w, *h);
2681
2682     /* these positions are frame positions, not client positions */
2683
2684     /* set the size and position if fullscreen */
2685     if (self->fullscreen) {
2686         Rect *a;
2687         guint i;
2688
2689         i = screen_find_monitor(&desired_area);
2690         a = screen_physical_area_monitor(i);
2691
2692         *x = a->x;
2693         *y = a->y;
2694         *w = a->width;
2695         *h = a->height;
2696
2697         user = FALSE; /* ignore if the client can't be moved/resized when it
2698                          is entering fullscreen */
2699     } else if (self->max_horz || self->max_vert) {
2700         Rect *a;
2701         guint i;
2702
2703         i = screen_find_monitor(&desired_area);
2704         a = screen_area_monitor(self->desktop, i);
2705
2706         /* set the size and position if maximized */
2707         if (self->max_horz) {
2708             *x = a->x;
2709             *w = a->width - self->frame->size.left - self->frame->size.right;
2710         }
2711         if (self->max_vert) {
2712             *y = a->y;
2713             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2714         }
2715
2716         /* maximizing is not allowed if the user can't move+resize the window
2717          */
2718     }
2719
2720     /* gets the client's position */
2721     frame_frame_gravity(self->frame, x, y, *w, *h);
2722
2723     /* these override the above states! if you cant move you can't move! */
2724     if (user) {
2725         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2726             *x = self->area.x;
2727             *y = self->area.y;
2728         }
2729         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2730             *w = self->area.width;
2731             *h = self->area.height;
2732         }
2733     }
2734
2735     g_assert(*w > 0);
2736     g_assert(*h > 0);
2737 }
2738
2739
2740 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2741                       gboolean user, gboolean final)
2742 {
2743     gint oldw, oldh;
2744     gboolean send_resize_client;
2745     gboolean moved = FALSE, resized = FALSE;
2746     gboolean fmoved, fresized;
2747     guint fdecor = self->frame->decorations;
2748     gboolean fhorz = self->frame->max_horz;
2749     gboolean fvert = self->frame->max_vert;
2750     gint logicalw, logicalh;
2751
2752     /* find the new x, y, width, and height (and logical size) */
2753     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2754
2755     /* set the logical size if things changed */
2756     if (!(w == self->area.width && h == self->area.height))
2757         SIZE_SET(self->logical_size, logicalw, logicalh);
2758
2759     /* figure out if we moved or resized or what */
2760     moved = x != self->area.x || y != self->area.y;
2761     resized = w != self->area.width || h != self->area.height;
2762
2763     oldw = self->area.width;
2764     oldh = self->area.height;
2765     RECT_SET(self->area, x, y, w, h);
2766
2767     /* for app-requested resizes, always resize if 'resized' is true.
2768        for user-requested ones, only resize if final is true, or when
2769        resizing in redraw mode */
2770     send_resize_client = ((!user && resized) ||
2771                           (user && (final ||
2772                                     (resized && config_resize_redraw))));
2773
2774     /* if the client is enlarging, then resize the client before the frame */
2775     if (send_resize_client && (w > oldw || h > oldh)) {
2776         XResizeWindow(ob_display, self->window,
2777                       MAX(w, oldw), MAX(h, oldh));
2778         /* resize the plate to show the client padding color underneath */
2779         frame_adjust_client_area(self->frame);
2780     }
2781
2782     /* find the frame's dimensions and move/resize it */
2783     fmoved = moved;
2784     fresized = resized;
2785
2786     /* if decorations changed, then readjust everything for the frame */
2787     if (self->decorations != fdecor ||
2788         self->max_horz != fhorz || self->max_vert != fvert)
2789     {
2790         fmoved = fresized = TRUE;
2791     }
2792
2793     /* adjust the frame */
2794     if (fmoved || fresized)
2795         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2796
2797     if ((!user || (user && final)) && !resized)
2798     {
2799         XEvent event;
2800
2801         POINT_SET(self->root_pos,
2802                   self->frame->area.x + self->frame->size.left -
2803                   self->border_width,
2804                   self->frame->area.y + self->frame->size.top -
2805                   self->border_width);
2806
2807         event.type = ConfigureNotify;
2808         event.xconfigure.display = ob_display;
2809         event.xconfigure.event = self->window;
2810         event.xconfigure.window = self->window;
2811
2812         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2813                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2814
2815         /* root window real coords */
2816         event.xconfigure.x = self->root_pos.x;
2817         event.xconfigure.y = self->root_pos.y;
2818         event.xconfigure.width = w;
2819         event.xconfigure.height = h;
2820         event.xconfigure.border_width = 0;
2821         event.xconfigure.above = self->frame->plate;
2822         event.xconfigure.override_redirect = FALSE;
2823         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2824                    FALSE, StructureNotifyMask, &event);
2825     }
2826
2827     /* if the client is shrinking, then resize the frame before the client */
2828     if (send_resize_client && (w <= oldw || h <= oldh)) {
2829         /* resize the plate to show the client padding color underneath */
2830         frame_adjust_client_area(self->frame);
2831
2832         if (send_resize_client)
2833             XResizeWindow(ob_display, self->window, w, h);
2834     }
2835
2836     XFlush(ob_display);
2837 }
2838
2839 void client_fullscreen(ObClient *self, gboolean fs)
2840 {
2841     gint x, y, w, h;
2842
2843     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2844         self->fullscreen == fs) return;                   /* already done */
2845
2846     self->fullscreen = fs;
2847     client_change_state(self); /* change the state hints on the client */
2848
2849     if (fs) {
2850         self->pre_fullscreen_area = self->area;
2851         /* if the window is maximized, its area isn't all that meaningful.
2852            save it's premax area instead. */
2853         if (self->max_horz) {
2854             self->pre_fullscreen_area.x = self->pre_max_area.x;
2855             self->pre_fullscreen_area.width = self->pre_max_area.width;
2856         }
2857         if (self->max_vert) {
2858             self->pre_fullscreen_area.y = self->pre_max_area.y;
2859             self->pre_fullscreen_area.height = self->pre_max_area.height;
2860         }
2861
2862         /* these will help configure_full figure out where to fullscreen
2863            the window */
2864         x = self->area.x;
2865         y = self->area.y;
2866         w = self->area.width;
2867         h = self->area.height;
2868     } else {
2869         g_assert(self->pre_fullscreen_area.width > 0 &&
2870                  self->pre_fullscreen_area.height > 0);
2871
2872         x = self->pre_fullscreen_area.x;
2873         y = self->pre_fullscreen_area.y;
2874         w = self->pre_fullscreen_area.width;
2875         h = self->pre_fullscreen_area.height;
2876         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2877     }
2878
2879     client_setup_decor_and_functions(self);
2880
2881     client_move_resize(self, x, y, w, h);
2882
2883     /* and adjust our layer/stacking. do this after resizing the window,
2884        and applying decorations, because windows which fill the screen are
2885        considered "fullscreen" and it affects their layer */
2886     client_calc_layer(self);
2887
2888     if (fs) {
2889         /* try focus us when we go into fullscreen mode */
2890         client_focus(self);
2891     }
2892 }
2893
2894 static void client_iconify_recursive(ObClient *self,
2895                                      gboolean iconic, gboolean curdesk,
2896                                      gboolean hide_animation)
2897 {
2898     GSList *it;
2899     gboolean changed = FALSE;
2900
2901
2902     if (self->iconic != iconic) {
2903         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2904                  self->window);
2905
2906         if (iconic) {
2907             /* don't let non-normal windows iconify along with their parents
2908                or whatever */
2909             if (client_normal(self)) {
2910                 self->iconic = iconic;
2911
2912                 /* update the focus lists.. iconic windows go to the bottom of
2913                    the list, put the new iconic window at the 'top of the
2914                    bottom'. */
2915                 focus_order_to_top(self);
2916
2917                 changed = TRUE;
2918             }
2919         } else {
2920             self->iconic = iconic;
2921
2922             if (curdesk && self->desktop != screen_desktop &&
2923                 self->desktop != DESKTOP_ALL)
2924                 client_set_desktop(self, screen_desktop, FALSE);
2925
2926             /* this puts it after the current focused window */
2927             focus_order_remove(self);
2928             focus_order_add_new(self);
2929
2930             changed = TRUE;
2931         }
2932     }
2933
2934     if (changed) {
2935         client_change_state(self);
2936         if (config_animate_iconify && !hide_animation)
2937             frame_begin_iconify_animation(self->frame, iconic);
2938         /* do this after starting the animation so it doesn't flash */
2939         client_showhide(self);
2940     }
2941
2942     /* iconify all direct transients, and deiconify all transients
2943        (non-direct too) */
2944     for (it = self->transients; it; it = g_slist_next(it))
2945         if (it->data != self)
2946             if (client_is_direct_child(self, it->data) || !iconic)
2947                 client_iconify_recursive(it->data, iconic, curdesk,
2948                                          hide_animation);
2949 }
2950
2951 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2952                     gboolean hide_animation)
2953 {
2954     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2955         /* move up the transient chain as far as possible first */
2956         self = client_search_top_normal_parent(self);
2957         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2958     }
2959 }
2960
2961 void client_maximize(ObClient *self, gboolean max, gint dir)
2962 {
2963     gint x, y, w, h;
2964
2965     g_assert(dir == 0 || dir == 1 || dir == 2);
2966     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2967
2968     /* check if already done */
2969     if (max) {
2970         if (dir == 0 && self->max_horz && self->max_vert) return;
2971         if (dir == 1 && self->max_horz) return;
2972         if (dir == 2 && self->max_vert) return;
2973     } else {
2974         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2975         if (dir == 1 && !self->max_horz) return;
2976         if (dir == 2 && !self->max_vert) return;
2977     }
2978
2979     /* these will help configure_full figure out which screen to fill with
2980        the window */
2981     x = self->area.x;
2982     y = self->area.y;
2983     w = self->area.width;
2984     h = self->area.height;
2985
2986     if (max) {
2987         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2988             RECT_SET(self->pre_max_area,
2989                      self->area.x, self->pre_max_area.y,
2990                      self->area.width, self->pre_max_area.height);
2991         }
2992         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2993             RECT_SET(self->pre_max_area,
2994                      self->pre_max_area.x, self->area.y,
2995                      self->pre_max_area.width, self->area.height);
2996         }
2997     } else {
2998         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2999             g_assert(self->pre_max_area.width > 0);
3000
3001             x = self->pre_max_area.x;
3002             w = self->pre_max_area.width;
3003
3004             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3005                      0, self->pre_max_area.height);
3006         }
3007         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3008             g_assert(self->pre_max_area.height > 0);
3009
3010             y = self->pre_max_area.y;
3011             h = self->pre_max_area.height;
3012
3013             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3014                      self->pre_max_area.width, 0);
3015         }
3016     }
3017
3018     if (dir == 0 || dir == 1) /* horz */
3019         self->max_horz = max;
3020     if (dir == 0 || dir == 2) /* vert */
3021         self->max_vert = max;
3022
3023     client_change_state(self); /* change the state hints on the client */
3024
3025     client_setup_decor_and_functions(self);
3026
3027     client_move_resize(self, x, y, w, h);
3028 }
3029
3030 void client_shade(ObClient *self, gboolean shade)
3031 {
3032     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3033          shade) ||                         /* can't shade */
3034         self->shaded == shade) return;     /* already done */
3035
3036     self->shaded = shade;
3037     client_change_state(self);
3038     client_change_wm_state(self); /* the window is being hidden/shown */
3039     /* resize the frame to just the titlebar */
3040     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3041 }
3042
3043 void client_close(ObClient *self)
3044 {
3045     XEvent ce;
3046
3047     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3048
3049     /* in the case that the client provides no means to requesting that it
3050        close, we just kill it */
3051     if (!self->delete_window)
3052         client_kill(self);
3053
3054     /*
3055       XXX: itd be cool to do timeouts and shit here for killing the client's
3056       process off
3057       like... if the window is around after 5 seconds, then the close button
3058       turns a nice red, and if this function is called again, the client is
3059       explicitly killed.
3060     */
3061
3062     ce.xclient.type = ClientMessage;
3063     ce.xclient.message_type =  prop_atoms.wm_protocols;
3064     ce.xclient.display = ob_display;
3065     ce.xclient.window = self->window;
3066     ce.xclient.format = 32;
3067     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3068     ce.xclient.data.l[1] = event_curtime;
3069     ce.xclient.data.l[2] = 0l;
3070     ce.xclient.data.l[3] = 0l;
3071     ce.xclient.data.l[4] = 0l;
3072     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3073 }
3074
3075 void client_kill(ObClient *self)
3076 {
3077     XKillClient(ob_display, self->window);
3078 }
3079
3080 void client_hilite(ObClient *self, gboolean hilite)
3081 {
3082     if (self->demands_attention == hilite)
3083         return; /* no change */
3084
3085     /* don't allow focused windows to hilite */
3086     self->demands_attention = hilite && !client_focused(self);
3087     if (self->frame != NULL) { /* if we're mapping, just set the state */
3088         if (self->demands_attention)
3089             frame_flash_start(self->frame);
3090         else
3091             frame_flash_stop(self->frame);
3092         client_change_state(self);
3093     }
3094 }
3095
3096 void client_set_desktop_recursive(ObClient *self,
3097                                   guint target,
3098                                   gboolean donthide)
3099 {
3100     guint old;
3101     GSList *it;
3102
3103     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3104
3105         ob_debug("Setting desktop %u\n", target+1);
3106
3107         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3108
3109         old = self->desktop;
3110         self->desktop = target;
3111         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3112         /* the frame can display the current desktop state */
3113         frame_adjust_state(self->frame);
3114         /* 'move' the window to the new desktop */
3115         if (!donthide)
3116             client_showhide(self);
3117         /* raise if it was not already on the desktop */
3118         if (old != DESKTOP_ALL)
3119             stacking_raise(CLIENT_AS_WINDOW(self));
3120         if (STRUT_EXISTS(self->strut))
3121             screen_update_areas();
3122     }
3123
3124     /* move all transients */
3125     for (it = self->transients; it; it = g_slist_next(it))
3126         if (it->data != self)
3127             if (client_is_direct_child(self, it->data))
3128                 client_set_desktop_recursive(it->data, target, donthide);
3129 }
3130
3131 void client_set_desktop(ObClient *self, guint target,
3132                         gboolean donthide)
3133 {
3134     self = client_search_top_normal_parent(self);
3135     client_set_desktop_recursive(self, target, donthide);
3136 }
3137
3138 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3139 {
3140     while (child != parent &&
3141            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3142         child = child->transient_for;
3143     return child == parent;
3144 }
3145
3146 ObClient *client_search_modal_child(ObClient *self)
3147 {
3148     GSList *it;
3149     ObClient *ret;
3150
3151     for (it = self->transients; it; it = g_slist_next(it)) {
3152         ObClient *c = it->data;
3153         if ((ret = client_search_modal_child(c))) return ret;
3154         if (c->modal) return c;
3155     }
3156     return NULL;
3157 }
3158
3159 gboolean client_validate(ObClient *self)
3160 {
3161     XEvent e;
3162
3163     XSync(ob_display, FALSE); /* get all events on the server */
3164
3165     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3166         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3167         XPutBackEvent(ob_display, &e);
3168         return FALSE;
3169     }
3170
3171     return TRUE;
3172 }
3173
3174 void client_set_wm_state(ObClient *self, glong state)
3175 {
3176     if (state == self->wmstate) return; /* no change */
3177
3178     switch (state) {
3179     case IconicState:
3180         client_iconify(self, TRUE, TRUE, FALSE);
3181         break;
3182     case NormalState:
3183         client_iconify(self, FALSE, TRUE, FALSE);
3184         break;
3185     }
3186 }
3187
3188 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3189 {
3190     gboolean shaded = self->shaded;
3191     gboolean fullscreen = self->fullscreen;
3192     gboolean undecorated = self->undecorated;
3193     gboolean max_horz = self->max_horz;
3194     gboolean max_vert = self->max_vert;
3195     gboolean modal = self->modal;
3196     gboolean iconic = self->iconic;
3197     gboolean demands_attention = self->demands_attention;
3198     gboolean above = self->above;
3199     gboolean below = self->below;
3200     gint i;
3201
3202     if (!(action == prop_atoms.net_wm_state_add ||
3203           action == prop_atoms.net_wm_state_remove ||
3204           action == prop_atoms.net_wm_state_toggle))
3205         /* an invalid action was passed to the client message, ignore it */
3206         return;
3207
3208     for (i = 0; i < 2; ++i) {
3209         Atom state = i == 0 ? data1 : data2;
3210
3211         if (!state) continue;
3212
3213         /* if toggling, then pick whether we're adding or removing */
3214         if (action == prop_atoms.net_wm_state_toggle) {
3215             if (state == prop_atoms.net_wm_state_modal)
3216                 action = modal ? prop_atoms.net_wm_state_remove :
3217                     prop_atoms.net_wm_state_add;
3218             else if (state == prop_atoms.net_wm_state_maximized_vert)
3219                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3220                     prop_atoms.net_wm_state_add;
3221             else if (state == prop_atoms.net_wm_state_maximized_horz)
3222                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3223                     prop_atoms.net_wm_state_add;
3224             else if (state == prop_atoms.net_wm_state_shaded)
3225                 action = shaded ? prop_atoms.net_wm_state_remove :
3226                     prop_atoms.net_wm_state_add;
3227             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3228                 action = self->skip_taskbar ?
3229                     prop_atoms.net_wm_state_remove :
3230                     prop_atoms.net_wm_state_add;
3231             else if (state == prop_atoms.net_wm_state_skip_pager)
3232                 action = self->skip_pager ?
3233                     prop_atoms.net_wm_state_remove :
3234                     prop_atoms.net_wm_state_add;
3235             else if (state == prop_atoms.net_wm_state_hidden)
3236                 action = self->iconic ?
3237                     prop_atoms.net_wm_state_remove :
3238                     prop_atoms.net_wm_state_add;
3239             else if (state == prop_atoms.net_wm_state_fullscreen)
3240                 action = fullscreen ?
3241                     prop_atoms.net_wm_state_remove :
3242                     prop_atoms.net_wm_state_add;
3243             else if (state == prop_atoms.net_wm_state_above)
3244                 action = self->above ? prop_atoms.net_wm_state_remove :
3245                     prop_atoms.net_wm_state_add;
3246             else if (state == prop_atoms.net_wm_state_below)
3247                 action = self->below ? prop_atoms.net_wm_state_remove :
3248                     prop_atoms.net_wm_state_add;
3249             else if (state == prop_atoms.net_wm_state_demands_attention)
3250                 action = self->demands_attention ?
3251                     prop_atoms.net_wm_state_remove :
3252                     prop_atoms.net_wm_state_add;
3253             else if (state == prop_atoms.ob_wm_state_undecorated)
3254                 action = undecorated ? prop_atoms.net_wm_state_remove :
3255                     prop_atoms.net_wm_state_add;
3256         }
3257
3258         if (action == prop_atoms.net_wm_state_add) {
3259             if (state == prop_atoms.net_wm_state_modal) {
3260                 modal = TRUE;
3261             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3262                 max_vert = TRUE;
3263             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3264                 max_horz = TRUE;
3265             } else if (state == prop_atoms.net_wm_state_shaded) {
3266                 shaded = TRUE;
3267             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3268                 self->skip_taskbar = TRUE;
3269             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3270                 self->skip_pager = TRUE;
3271             } else if (state == prop_atoms.net_wm_state_hidden) {
3272                 iconic = TRUE;
3273             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3274                 fullscreen = TRUE;
3275             } else if (state == prop_atoms.net_wm_state_above) {
3276                 above = TRUE;
3277                 below = FALSE;
3278             } else if (state == prop_atoms.net_wm_state_below) {
3279                 above = FALSE;
3280                 below = TRUE;
3281             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3282                 demands_attention = TRUE;
3283             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3284                 undecorated = TRUE;
3285             }
3286
3287         } else { /* action == prop_atoms.net_wm_state_remove */
3288             if (state == prop_atoms.net_wm_state_modal) {
3289                 modal = FALSE;
3290             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3291                 max_vert = FALSE;
3292             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3293                 max_horz = FALSE;
3294             } else if (state == prop_atoms.net_wm_state_shaded) {
3295                 shaded = FALSE;
3296             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3297                 self->skip_taskbar = FALSE;
3298             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3299                 self->skip_pager = FALSE;
3300             } else if (state == prop_atoms.net_wm_state_hidden) {
3301                 iconic = FALSE;
3302             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3303                 fullscreen = FALSE;
3304             } else if (state == prop_atoms.net_wm_state_above) {
3305                 above = FALSE;
3306             } else if (state == prop_atoms.net_wm_state_below) {
3307                 below = FALSE;
3308             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3309                 demands_attention = FALSE;
3310             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3311                 undecorated = FALSE;
3312             }
3313         }
3314     }
3315
3316     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3317         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3318             /* toggling both */
3319             if (max_horz == max_vert) { /* both going the same way */
3320                 client_maximize(self, max_horz, 0);
3321             } else {
3322                 client_maximize(self, max_horz, 1);
3323                 client_maximize(self, max_vert, 2);
3324             }
3325         } else {
3326             /* toggling one */
3327             if (max_horz != self->max_horz)
3328                 client_maximize(self, max_horz, 1);
3329             else
3330                 client_maximize(self, max_vert, 2);
3331         }
3332     }
3333     /* change fullscreen state before shading, as it will affect if the window
3334        can shade or not */
3335     if (fullscreen != self->fullscreen)
3336         client_fullscreen(self, fullscreen);
3337     if (shaded != self->shaded)
3338         client_shade(self, shaded);
3339     if (undecorated != self->undecorated)
3340         client_set_undecorated(self, undecorated);
3341     if (above != self->above || below != self->below) {
3342         self->above = above;
3343         self->below = below;
3344         client_calc_layer(self);
3345     }
3346
3347     if (modal != self->modal) {
3348         self->modal = modal;
3349         /* when a window changes modality, then its stacking order with its
3350            transients needs to change */
3351         stacking_raise(CLIENT_AS_WINDOW(self));
3352
3353         /* it also may get focused. if something is focused that shouldn't
3354            be focused anymore, then move the focus */
3355         if (focus_client && client_focus_target(focus_client) != focus_client)
3356             client_focus(focus_client);
3357     }
3358
3359     if (iconic != self->iconic)
3360         client_iconify(self, iconic, FALSE, FALSE);
3361
3362     if (demands_attention != self->demands_attention)
3363         client_hilite(self, demands_attention);
3364
3365     client_change_state(self); /* change the hint to reflect these changes */
3366 }
3367
3368 ObClient *client_focus_target(ObClient *self)
3369 {
3370     ObClient *child = NULL;
3371
3372     child = client_search_modal_child(self);
3373     if (child) return child;
3374     return self;
3375 }
3376
3377 gboolean client_can_focus(ObClient *self)
3378 {
3379     /* choose the correct target */
3380     self = client_focus_target(self);
3381
3382     if (!self->frame->visible)
3383         return FALSE;
3384
3385     if (!(self->can_focus || self->focus_notify))
3386         return FALSE;
3387
3388     return TRUE;
3389 }
3390
3391 gboolean client_focus(ObClient *self)
3392 {
3393     /* choose the correct target */
3394     self = client_focus_target(self);
3395
3396     if (!client_can_focus(self)) {
3397         if (!self->frame->visible) {
3398             /* update the focus lists */
3399             focus_order_to_top(self);
3400         }
3401         return FALSE;
3402     }
3403
3404     ob_debug_type(OB_DEBUG_FOCUS,
3405                   "Focusing client \"%s\" at time %u\n",
3406                   self->title, event_curtime);
3407
3408     /* if there is a grab going on, then we need to cancel it. if we move
3409        focus during the grab, applications will get NotifyWhileGrabbed events
3410        and ignore them !
3411
3412        actions should not rely on being able to move focus during an
3413        interactive grab.
3414     */
3415     if (keyboard_interactively_grabbed())
3416         keyboard_interactive_cancel();
3417
3418     xerror_set_ignore(TRUE);
3419     xerror_occured = FALSE;
3420
3421     if (self->can_focus) {
3422         /* This can cause a BadMatch error with CurrentTime, or if an app
3423            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3424         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3425                        event_curtime);
3426     }
3427
3428     if (self->focus_notify) {
3429         XEvent ce;
3430         ce.xclient.type = ClientMessage;
3431         ce.xclient.message_type = prop_atoms.wm_protocols;
3432         ce.xclient.display = ob_display;
3433         ce.xclient.window = self->window;
3434         ce.xclient.format = 32;
3435         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3436         ce.xclient.data.l[1] = event_curtime;
3437         ce.xclient.data.l[2] = 0l;
3438         ce.xclient.data.l[3] = 0l;
3439         ce.xclient.data.l[4] = 0l;
3440         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3441     }
3442
3443     xerror_set_ignore(FALSE);
3444
3445     return !xerror_occured;
3446 }
3447
3448 /*! Present the client to the user.
3449   @param raise If the client should be raised or not. You should only set
3450                raise to false if you don't care if the window is completely
3451                hidden.
3452 */
3453 static void client_present(ObClient *self, gboolean here, gboolean raise)
3454 {
3455     /* if using focus_delay, stop the timer now so that focus doesn't
3456        go moving on us */
3457     event_halt_focus_delay();
3458
3459     if (client_normal(self) && screen_showing_desktop)
3460         screen_show_desktop(FALSE, self);
3461     if (self->iconic)
3462         client_iconify(self, FALSE, here, FALSE);
3463     if (self->desktop != DESKTOP_ALL &&
3464         self->desktop != screen_desktop)
3465     {
3466         if (here)
3467             client_set_desktop(self, screen_desktop, FALSE);
3468         else
3469             screen_set_desktop(self->desktop, FALSE);
3470     } else if (!self->frame->visible)
3471         /* if its not visible for other reasons, then don't mess
3472            with it */
3473         return;
3474     if (self->shaded)
3475         client_shade(self, FALSE);
3476     if (raise)
3477         stacking_raise(CLIENT_AS_WINDOW(self));
3478
3479     client_focus(self);
3480 }
3481
3482 void client_activate(ObClient *self, gboolean here, gboolean user)
3483 {
3484     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3485     gboolean allow = FALSE;
3486
3487     /* if the request came from the user, or if nothing is focused, then grant
3488        the request.
3489        if the currently focused app doesn't set a user_time, then it can't
3490        benefit from any focus stealing prevention.
3491     */
3492     if (user || !focus_client || !last_time)
3493         allow = TRUE;
3494     /* otherwise, if they didn't give a time stamp or if it is too old, they
3495        don't get focus */
3496     else
3497         allow = event_curtime && event_time_after(event_curtime, last_time);
3498
3499     ob_debug_type(OB_DEBUG_FOCUS,
3500                   "Want to activate window 0x%x with time %u (last time %u), "
3501                   "source=%s allowing? %d\n",
3502                   self->window, event_curtime, last_time,
3503                   (user ? "user" : "application"), allow);
3504
3505     if (allow)
3506         client_present(self, here, TRUE);
3507     else
3508         /* don't focus it but tell the user it wants attention */
3509         client_hilite(self, TRUE);
3510 }
3511
3512 static void client_bring_helper_windows_recursive(ObClient *self,
3513                                                   guint desktop)
3514 {
3515     GSList *it;
3516
3517     for (it = self->transients; it; it = g_slist_next(it))
3518         client_bring_helper_windows_recursive(it->data, desktop);
3519
3520     if (client_helper(self) &&
3521         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3522     {
3523         client_set_desktop(self, desktop, FALSE);
3524     }
3525 }
3526
3527 void client_bring_helper_windows(ObClient *self)
3528 {
3529     client_bring_helper_windows_recursive(self, self->desktop);
3530 }
3531
3532 gboolean client_focused(ObClient *self)
3533 {
3534     return self == focus_client;
3535 }
3536
3537 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3538 {
3539     guint i;
3540     gulong min_diff, min_i;
3541
3542     if (!self->nicons) {
3543         ObClientIcon *parent = NULL;
3544
3545         if (self->transient_for) {
3546             if (self->transient_for != OB_TRAN_GROUP)
3547                 parent = client_icon_recursive(self->transient_for, w, h);
3548             else {
3549                 GSList *it;
3550                 for (it = self->group->members; it; it = g_slist_next(it)) {
3551                     ObClient *c = it->data;
3552                     if (c != self && !c->transient_for) {
3553                         if ((parent = client_icon_recursive(c, w, h)))
3554                             break;
3555                     }
3556                 }
3557             }
3558         }
3559
3560         return parent;
3561     }
3562
3563     /* some kind of crappy approximation to find the icon closest in size to
3564        what we requested, but icons are generally all the same ratio as
3565        eachother so it's good enough. */
3566
3567     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3568     min_i = 0;
3569
3570     for (i = 1; i < self->nicons; ++i) {
3571         gulong diff;
3572
3573         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3574         if (diff < min_diff) {
3575             min_diff = diff;
3576             min_i = i;
3577         }
3578     }
3579     return &self->icons[min_i];
3580 }
3581
3582 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3583 {
3584     ObClientIcon *ret;
3585     static ObClientIcon deficon;
3586
3587     if (!(ret = client_icon_recursive(self, w, h))) {
3588         deficon.width = deficon.height = 48;
3589         deficon.data = ob_rr_theme->def_win_icon;
3590         ret = &deficon;
3591     }
3592     return ret;
3593 }
3594
3595 void client_set_layer(ObClient *self, gint layer)
3596 {
3597     if (layer < 0) {
3598         self->below = TRUE;
3599         self->above = FALSE;
3600     } else if (layer == 0) {
3601         self->below = self->above = FALSE;
3602     } else {
3603         self->below = FALSE;
3604         self->above = TRUE;
3605     }
3606     client_calc_layer(self);
3607     client_change_state(self); /* reflect this in the state hints */
3608 }
3609
3610 void client_set_undecorated(ObClient *self, gboolean undecorated)
3611 {
3612     if (self->undecorated != undecorated &&
3613         /* don't let it undecorate if the function is missing, but let
3614            it redecorate */
3615         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3616     {
3617         self->undecorated = undecorated;
3618         client_setup_decor_and_functions(self);
3619         client_reconfigure(self); /* show the lack of decorations */
3620         client_change_state(self); /* reflect this in the state hints */
3621     }
3622 }
3623
3624 guint client_monitor(ObClient *self)
3625 {
3626     return screen_find_monitor(&self->frame->area);
3627 }
3628
3629 ObClient *client_search_top_normal_parent(ObClient *self)
3630 {
3631     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3632            client_normal(self->transient_for))
3633         self = self->transient_for;
3634     return self;
3635 }
3636
3637 static GSList *client_search_all_top_parents_internal(ObClient *self,
3638                                                       gboolean bylayer,
3639                                                       ObStackingLayer layer)
3640 {
3641     GSList *ret = NULL;
3642
3643     /* move up the direct transient chain as far as possible */
3644     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3645            (!bylayer || self->transient_for->layer == layer) &&
3646            client_normal(self->transient_for))
3647         self = self->transient_for;
3648
3649     if (!self->transient_for)
3650         ret = g_slist_prepend(ret, self);
3651     else {
3652             GSList *it;
3653
3654             g_assert(self->group);
3655
3656             for (it = self->group->members; it; it = g_slist_next(it)) {
3657                 ObClient *c = it->data;
3658
3659                 if (!c->transient_for && client_normal(c) &&
3660                     (!bylayer || c->layer == layer))
3661                 {
3662                     ret = g_slist_prepend(ret, c);
3663                 }
3664             }
3665
3666             if (ret == NULL) /* no group parents */
3667                 ret = g_slist_prepend(ret, self);
3668     }
3669
3670     return ret;
3671 }
3672
3673 GSList *client_search_all_top_parents(ObClient *self)
3674 {
3675     return client_search_all_top_parents_internal(self, FALSE, 0);
3676 }
3677
3678 GSList *client_search_all_top_parents_layer(ObClient *self)
3679 {
3680     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3681 }
3682
3683 ObClient *client_search_focus_parent(ObClient *self)
3684 {
3685     if (self->transient_for) {
3686         if (self->transient_for != OB_TRAN_GROUP) {
3687             if (client_focused(self->transient_for))
3688                 return self->transient_for;
3689         } else {
3690             GSList *it;
3691
3692             for (it = self->group->members; it; it = g_slist_next(it)) {
3693                 ObClient *c = it->data;
3694
3695                 /* checking transient_for prevents infinate loops! */
3696                 if (c != self && !c->transient_for)
3697                     if (client_focused(c))
3698                         return c;
3699             }
3700         }
3701     }
3702
3703     return NULL;
3704 }
3705
3706 ObClient *client_search_parent(ObClient *self, ObClient *search)
3707 {
3708     if (self->transient_for) {
3709         if (self->transient_for != OB_TRAN_GROUP) {
3710             if (self->transient_for == search)
3711                 return search;
3712         } else {
3713             GSList *it;
3714
3715             for (it = self->group->members; it; it = g_slist_next(it)) {
3716                 ObClient *c = it->data;
3717
3718                 /* checking transient_for prevents infinate loops! */
3719                 if (c != self && !c->transient_for)
3720                     if (c == search)
3721                         return search;
3722             }
3723         }
3724     }
3725
3726     return NULL;
3727 }
3728
3729 ObClient *client_search_transient(ObClient *self, ObClient *search)
3730 {
3731     GSList *sit;
3732
3733     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3734         if (sit->data == search)
3735             return search;
3736         if (client_search_transient(sit->data, search))
3737             return search;
3738     }
3739     return NULL;
3740 }
3741
3742 #define WANT_EDGE(cur, c) \
3743             if(cur == c)                                                      \
3744                 continue;                                                     \
3745             if(!client_normal(cur))                                           \
3746                 continue;                                                     \
3747             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3748                 continue;                                                     \
3749             if(cur->iconic)                                                   \
3750                 continue;
3751
3752 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3753             if ((his_edge_start >= my_edge_start && \
3754                  his_edge_start <= my_edge_end) ||  \
3755                 (my_edge_start >= his_edge_start && \
3756                  my_edge_start <= his_edge_end))    \
3757                 dest = his_offset;
3758
3759 /* finds the nearest edge in the given direction from the current client
3760  * note to self: the edge is the -frame- edge (the actual one), not the
3761  * client edge.
3762  */
3763 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3764 {
3765     gint dest, monitor_dest;
3766     gint my_edge_start, my_edge_end, my_offset;
3767     GList *it;
3768     Rect *a, *monitor;
3769
3770     if(!client_list)
3771         return -1;
3772
3773     a = screen_area(c->desktop);
3774     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3775
3776     switch(dir) {
3777     case OB_DIRECTION_NORTH:
3778         my_edge_start = c->frame->area.x;
3779         my_edge_end = c->frame->area.x + c->frame->area.width;
3780         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3781
3782         /* default: top of screen */
3783         dest = a->y + (hang ? c->frame->area.height : 0);
3784         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3785         /* if the monitor edge comes before the screen edge, */
3786         /* use that as the destination instead. (For xinerama) */
3787         if (monitor_dest != dest && my_offset > monitor_dest)
3788             dest = monitor_dest;
3789
3790         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3791             gint his_edge_start, his_edge_end, his_offset;
3792             ObClient *cur = it->data;
3793
3794             WANT_EDGE(cur, c)
3795
3796             his_edge_start = cur->frame->area.x;
3797             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3798             his_offset = cur->frame->area.y +
3799                          (hang ? 0 : cur->frame->area.height);
3800
3801             if(his_offset + 1 > my_offset)
3802                 continue;
3803
3804             if(his_offset < dest)
3805                 continue;
3806
3807             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3808         }
3809         break;
3810     case OB_DIRECTION_SOUTH:
3811         my_edge_start = c->frame->area.x;
3812         my_edge_end = c->frame->area.x + c->frame->area.width;
3813         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3814
3815         /* default: bottom of screen */
3816         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3817         monitor_dest = monitor->y + monitor->height -
3818                        (hang ? c->frame->area.height : 0);
3819         /* if the monitor edge comes before the screen edge, */
3820         /* use that as the destination instead. (For xinerama) */
3821         if (monitor_dest != dest && my_offset < monitor_dest)
3822             dest = monitor_dest;
3823
3824         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3825             gint his_edge_start, his_edge_end, his_offset;
3826             ObClient *cur = it->data;
3827
3828             WANT_EDGE(cur, c)
3829
3830             his_edge_start = cur->frame->area.x;
3831             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3832             his_offset = cur->frame->area.y +
3833                          (hang ? cur->frame->area.height : 0);
3834
3835
3836             if(his_offset - 1 < my_offset)
3837                 continue;
3838
3839             if(his_offset > dest)
3840                 continue;
3841
3842             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3843         }
3844         break;
3845     case OB_DIRECTION_WEST:
3846         my_edge_start = c->frame->area.y;
3847         my_edge_end = c->frame->area.y + c->frame->area.height;
3848         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3849
3850         /* default: leftmost egde of screen */
3851         dest = a->x + (hang ? c->frame->area.width : 0);
3852         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3853         /* if the monitor edge comes before the screen edge, */
3854         /* use that as the destination instead. (For xinerama) */
3855         if (monitor_dest != dest && my_offset > monitor_dest)
3856             dest = monitor_dest;
3857
3858         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3859             gint his_edge_start, his_edge_end, his_offset;
3860             ObClient *cur = it->data;
3861
3862             WANT_EDGE(cur, c)
3863
3864             his_edge_start = cur->frame->area.y;
3865             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3866             his_offset = cur->frame->area.x +
3867                          (hang ? 0 : cur->frame->area.width);
3868
3869             if(his_offset + 1 > my_offset)
3870                 continue;
3871
3872             if(his_offset < dest)
3873                 continue;
3874
3875             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3876         }
3877        break;
3878     case OB_DIRECTION_EAST:
3879         my_edge_start = c->frame->area.y;
3880         my_edge_end = c->frame->area.y + c->frame->area.height;
3881         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3882
3883         /* default: rightmost edge of screen */
3884         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3885         monitor_dest = monitor->x + monitor->width -
3886                        (hang ? c->frame->area.width : 0);
3887         /* if the monitor edge comes before the screen edge, */
3888         /* use that as the destination instead. (For xinerama) */
3889         if (monitor_dest != dest && my_offset < monitor_dest)
3890             dest = monitor_dest;
3891
3892         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3893             gint his_edge_start, his_edge_end, his_offset;
3894             ObClient *cur = it->data;
3895
3896             WANT_EDGE(cur, c)
3897
3898             his_edge_start = cur->frame->area.y;
3899             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3900             his_offset = cur->frame->area.x +
3901                          (hang ? cur->frame->area.width : 0);
3902
3903             if(his_offset - 1 < my_offset)
3904                 continue;
3905
3906             if(his_offset > dest)
3907                 continue;
3908
3909             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3910         }
3911         break;
3912     case OB_DIRECTION_NORTHEAST:
3913     case OB_DIRECTION_SOUTHEAST:
3914     case OB_DIRECTION_NORTHWEST:
3915     case OB_DIRECTION_SOUTHWEST:
3916         /* not implemented */
3917     default:
3918         g_assert_not_reached();
3919         dest = 0; /* suppress warning */
3920     }
3921     return dest;
3922 }
3923
3924 ObClient* client_under_pointer()
3925 {
3926     gint x, y;
3927     GList *it;
3928     ObClient *ret = NULL;
3929
3930     if (screen_pointer_pos(&x, &y)) {
3931         for (it = stacking_list; it; it = g_list_next(it)) {
3932             if (WINDOW_IS_CLIENT(it->data)) {
3933                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3934                 if (c->frame->visible &&
3935                     /* ignore all animating windows */
3936                     !frame_iconify_animating(c->frame) &&
3937                     RECT_CONTAINS(c->frame->area, x, y))
3938                 {
3939                     ret = c;
3940                     break;
3941                 }
3942             }
3943         }
3944     }
3945     return ret;
3946 }
3947
3948 gboolean client_has_group_siblings(ObClient *self)
3949 {
3950     return self->group && self->group->members->next;
3951 }