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 (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 966     if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 967         *x = mon_a->x + MAX(0, mon_a->width - fw);
 968
 969     if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 970     if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 971         *y = mon_a->y + MAX(0, mon_a->height - fh);
 972
 973     /* get where the client should be */
 974     frame_frame_gravity(self->frame, x, y, w, h);
 975
 976     return ox != *x || oy != *y;
 977 }
 978
 979 static void client_toggle_border(ObClient *self, gboolean show)
 980 {
 981     /* adjust our idea of where the client is, based on its border. When the
 982        border is removed, the client should now be considered to be in a
 983        different position.
 984        when re-adding the border to the client, the same operation needs to be
 985        reversed. */
 986     gint oldx = self->area.x, oldy = self->area.y;
 987     gint x = oldx, y = oldy;
 988     switch(self->gravity) {
 989     default:
 990     case NorthWestGravity:
 991     case WestGravity:
 992     case SouthWestGravity:
 993         break;
 994     case NorthEastGravity:
 995     case EastGravity:
 996     case SouthEastGravity:
 997         if (show) x -= self->border_width * 2;
 998         else      x += self->border_width * 2;
 999         break;
1000     case NorthGravity:
1001     case SouthGravity:
1002     case CenterGravity:
1003     case ForgetGravity:
1004     case StaticGravity:
1005         if (show) x -= self->border_width;
1006         else      x += self->border_width;
1007         break;
1008     }
1009     switch(self->gravity) {
1010     default:
1011     case NorthWestGravity:
1012     case NorthGravity:
1013     case NorthEastGravity:
1014         break;
1015     case SouthWestGravity:
1016     case SouthGravity:
1017     case SouthEastGravity:
1018         if (show) y -= self->border_width * 2;
1019         else      y += self->border_width * 2;
1020         break;
1021     case WestGravity:
1022     case EastGravity:
1023     case CenterGravity:
1024     case ForgetGravity:
1025     case StaticGravity:
1026         if (show) y -= self->border_width;
1027         else      y += self->border_width;
1028         break;
1029     }
1030     self->area.x = x;
1031     self->area.y = y;
1032
1033     if (show) {
1034         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
1035
1036         /* set border_width to 0 because there is no border to add into
1037            calculations anymore */
1038         self->border_width = 0;
1039     } else
1040         XSetWindowBorderWidth(ob_display, self->window, 0);
1041 }
1042
1043
1044 static void client_get_all(ObClient *self, gboolean real)
1045 {
1046     /* this is needed for the frame to set itself up */
1047     client_get_area(self);
1048
1049     /* these things can change the decor and functions of the window */
1050
1051     client_get_mwm_hints(self);
1052     /* this can change the mwmhints for special cases */
1053     client_get_type_and_transientness(self);
1054     client_get_state(self);
1055     client_update_normal_hints(self);
1056
1057     /* get the session related properties, these can change decorations
1058        from per-app settings */
1059     client_get_session_ids(self);
1060
1061     /* now we got everything that can affect the decorations */
1062     if (!real)
1063         return;
1064
1065     /* get this early so we have it for debugging */
1066     client_update_title(self);
1067
1068     client_update_protocols(self);
1069
1070     client_update_wmhints(self);
1071     /* this may have already been called from client_update_wmhints */
1072     if (self->transient_for == NULL)
1073         client_update_transient_for(self);
1074
1075     client_get_startup_id(self);
1076     client_get_desktop(self);/* uses transient data/group/startup id if a
1077                                 desktop is not specified */
1078     client_get_shaped(self);
1079
1080     {
1081         /* a couple type-based defaults for new windows */
1082
1083         /* this makes sure that these windows appear on all desktops */
1084         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1085             self->desktop = DESKTOP_ALL;
1086     }
1087
1088 #ifdef SYNC
1089     client_update_sync_request_counter(self);
1090 #endif
1091
1092     client_get_colormap(self);
1093     client_update_strut(self);
1094     client_update_icons(self);
1095     client_update_user_time_window(self);
1096     if (!self->user_time_window) /* check if this would have been called */
1097         client_update_user_time(self);
1098     client_update_icon_geometry(self);
1099 }
1100
1101 static void client_get_startup_id(ObClient *self)
1102 {
1103     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1104         if (self->group)
1105             PROP_GETS(self->group->leader,
1106                       net_startup_id, utf8, &self->startup_id);
1107 }
1108
1109 static void client_get_area(ObClient *self)
1110 {
1111     XWindowAttributes wattrib;
1112     Status ret;
1113
1114     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1115     g_assert(ret != BadWindow);
1116
1117     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1118     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1119     self->border_width = wattrib.border_width;
1120
1121     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1122              wattrib.width, wattrib.height);
1123 }
1124
1125 static void client_get_desktop(ObClient *self)
1126 {
1127     guint32 d = screen_num_desktops; /* an always-invalid value */
1128
1129     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1130         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1131             self->desktop = screen_num_desktops - 1;
1132         else
1133             self->desktop = d;
1134     } else {
1135         gboolean trdesk = FALSE;
1136
1137         if (self->transient_for) {
1138             if (self->transient_for != OB_TRAN_GROUP) {
1139                 self->desktop = self->transient_for->desktop;
1140                 trdesk = TRUE;
1141             } else {
1142                 GSList *it;
1143
1144                 for (it = self->group->members; it; it = g_slist_next(it))
1145                     if (it->data != self &&
1146                         !((ObClient*)it->data)->transient_for) {
1147                         self->desktop = ((ObClient*)it->data)->desktop;
1148                         trdesk = TRUE;
1149                         break;
1150                     }
1151             }
1152         }
1153         if (!trdesk) {
1154             /* try get from the startup-notification protocol */
1155             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1156                 if (self->desktop >= screen_num_desktops &&
1157                     self->desktop != DESKTOP_ALL)
1158                     self->desktop = screen_num_desktops - 1;
1159             } else
1160                 /* defaults to the current desktop */
1161                 self->desktop = screen_desktop;
1162         }
1163     }
1164 }
1165
1166 static void client_get_state(ObClient *self)
1167 {
1168     guint32 *state;
1169     guint num;
1170
1171     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1172         gulong i;
1173         for (i = 0; i < num; ++i) {
1174             if (state[i] == prop_atoms.net_wm_state_modal)
1175                 self->modal = TRUE;
1176             else if (state[i] == prop_atoms.net_wm_state_shaded)
1177                 self->shaded = TRUE;
1178             else if (state[i] == prop_atoms.net_wm_state_hidden)
1179                 self->iconic = TRUE;
1180             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1181                 self->skip_taskbar = TRUE;
1182             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1183                 self->skip_pager = TRUE;
1184             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1185                 self->fullscreen = TRUE;
1186             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1187                 self->max_vert = TRUE;
1188             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1189                 self->max_horz = TRUE;
1190             else if (state[i] == prop_atoms.net_wm_state_above)
1191                 self->above = TRUE;
1192             else if (state[i] == prop_atoms.net_wm_state_below)
1193                 self->below = TRUE;
1194             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1195                 self->demands_attention = TRUE;
1196             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1197                 self->undecorated = TRUE;
1198         }
1199
1200         g_free(state);
1201     }
1202 }
1203
1204 static void client_get_shaped(ObClient *self)
1205 {
1206     self->shaped = FALSE;
1207 #ifdef   SHAPE
1208     if (extensions_shape) {
1209         gint foo;
1210         guint ufoo;
1211         gint s;
1212
1213         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1214
1215         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1216                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1217                            &ufoo);
1218         self->shaped = (s != 0);
1219     }
1220 #endif
1221 }
1222
1223 void client_update_transient_for(ObClient *self)
1224 {
1225     Window t = None;
1226     ObClient *target = NULL;
1227
1228     if (XGetTransientForHint(ob_display, self->window, &t)) {
1229         if (t != self->window) { /* cant be transient to itself! */
1230             target = g_hash_table_lookup(window_map, &t);
1231             /* if this happens then we need to check for it*/
1232             g_assert(target != self);
1233             if (target && !WINDOW_IS_CLIENT(target)) {
1234                 /* this can happen when a dialog is a child of
1235                    a dockapp, for example */
1236                 target = NULL;
1237             }
1238
1239             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1240
1241                Setting the transient_for to Root is actually illegal, however
1242                applications from time have done this to specify transient for
1243                their group.
1244
1245                Now you can do that by being a TYPE_DIALOG and not setting
1246                the transient_for hint at all on your window. But people still
1247                use Root, and Kwin is very strange in this regard.
1248
1249                KWin 3.0 will not consider windows with transient_for set to
1250                Root as transient for their group *UNLESS* they are also modal.
1251                In that case, it will make them transient for the group. This
1252                leads to all sorts of weird behavior from KDE apps which are
1253                only tested in KWin. I'd like to follow their behavior just to
1254                make this work right with KDE stuff, but that seems wrong.
1255             */
1256             if (!target && self->group) {
1257                 /* not transient to a client, see if it is transient for a
1258                    group */
1259                 if (t == RootWindow(ob_display, ob_screen)) {
1260                     /* window is a transient for its group! */
1261                     target = OB_TRAN_GROUP;
1262                 }
1263             }
1264         }
1265     } else if (self->transient && self->group)
1266         target = OB_TRAN_GROUP;
1267
1268     client_update_transient_tree(self, self->group, self->group,
1269                                  self->transient_for, target);
1270     self->transient_for = target;
1271
1272 }
1273
1274 static void client_update_transient_tree(ObClient *self,
1275                                          ObGroup *oldgroup, ObGroup *newgroup,
1276                                          ObClient* oldparent,
1277                                          ObClient *newparent)
1278 {
1279     GSList *it, *next;
1280     ObClient *c;
1281
1282     /* * *
1283       Group transient windows are not allowed to have other group
1284       transient windows as their children.
1285       * * */
1286
1287
1288     /* No change has occured */
1289     if (oldgroup == newgroup && oldparent == newparent) return;
1290
1291     /** Remove the client from the transient tree wherever it has changed **/
1292
1293     /* If the window is becoming a direct transient for a window in its group
1294        then any group transients which were our children and are now becoming
1295        our parents need to stop being our children.
1296
1297        Group transients can't be children of group transients already, but
1298        we could have any number of direct parents above up, any of which could
1299        be transient for the group, and we need to remove it from our children.
1300     */
1301     if (oldparent != newparent &&
1302         newparent != NULL && newparent != OB_TRAN_GROUP &&
1303         newgroup != NULL && newgroup == oldgroup)
1304     {
1305         ObClient *look = newparent;
1306         do {
1307             self->transients = g_slist_remove(self->transients, look);
1308             look = look->transient_for;
1309         } while (look != NULL && look != OB_TRAN_GROUP);
1310     }
1311
1312
1313     /* If the group changed, or if we are just becoming transient for the
1314        group, then we need to remove any old group transient windows
1315        from our children. But if we were already transient for the group, then
1316        other group transients are not our children. */
1317     if ((oldgroup != newgroup ||
1318          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1319         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1320     {
1321         for (it = self->transients; it; it = next) {
1322             next = g_slist_next(it);
1323             c = it->data;
1324             if (c->group == oldgroup)
1325                 self->transients = g_slist_delete_link(self->transients, it);
1326         }
1327     }
1328
1329     /* If we used to be transient for a group and now we are not, or we're
1330        transient for a new group, then we need to remove ourselves from all
1331        our ex-parents */
1332     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1333                                        oldparent != newparent))
1334     {
1335         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1336             c = it->data;
1337             if (c != self && (!c->transient_for ||
1338                               c->transient_for != OB_TRAN_GROUP))
1339                 c->transients = g_slist_remove(c->transients, self);
1340         }
1341     }
1342     /* If we used to be transient for a single window and we are no longer
1343        transient for it, then we need to remove ourself from its children */
1344     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1345              oldparent != newparent)
1346         oldparent->transients = g_slist_remove(oldparent->transients, self);
1347
1348
1349     /** Re-add the client to the transient tree wherever it has changed **/
1350
1351     /* If we're now transient for a group and we weren't transient for it
1352        before then we need to add ourselves to all our new parents */
1353     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1354                                        oldparent != newparent))
1355     {
1356         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1357             c = it->data;
1358             if (c != self && (!c->transient_for ||
1359                               c->transient_for != OB_TRAN_GROUP))
1360                 c->transients = g_slist_prepend(c->transients, self);
1361         }
1362     }
1363     /* If we are now transient for a single window which we weren't before,
1364        we need to add ourselves to its children
1365
1366        WARNING: Cyclical transient ness is possible if two windows are
1367        transient for eachother.
1368     */
1369     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1370              newparent != oldparent &&
1371              /* don't make ourself its child if it is already our child */
1372              !client_is_direct_child(self, newparent))
1373         newparent->transients = g_slist_prepend(newparent->transients, self);
1374
1375     /* If the group changed then we need to add any new group transient
1376        windows to our children. But if we're transient for the group, then
1377        other group transients are not our children.
1378
1379        WARNING: Cyclical transient-ness is possible. For e.g. if:
1380        A is transient for the group
1381        B is transient for A
1382        C is transient for B
1383        A can't be transient for C or we have a cycle
1384     */
1385     if (oldgroup != newgroup && newgroup != NULL &&
1386         newparent != OB_TRAN_GROUP)
1387     {
1388         for (it = newgroup->members; it; it = g_slist_next(it)) {
1389             c = it->data;
1390             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1391                 /* Don't make it our child if it is already our parent */
1392                 !client_is_direct_child(c, self))
1393             {
1394                 self->transients = g_slist_prepend(self->transients, c);
1395             }
1396         }
1397     }
1398 }
1399
1400 static void client_get_mwm_hints(ObClient *self)
1401 {
1402     guint num;
1403     guint32 *hints;
1404
1405     self->mwmhints.flags = 0; /* default to none */
1406
1407     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1408                     &hints, &num)) {
1409         if (num >= OB_MWM_ELEMENTS) {
1410             self->mwmhints.flags = hints[0];
1411             self->mwmhints.functions = hints[1];
1412             self->mwmhints.decorations = hints[2];
1413         }
1414         g_free(hints);
1415     }
1416 }
1417
1418 void client_get_type_and_transientness(ObClient *self)
1419 {
1420     guint num, i;
1421     guint32 *val;
1422     Window t;
1423
1424     self->type = -1;
1425     self->transient = FALSE;
1426
1427     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1428         /* use the first value that we know about in the array */
1429         for (i = 0; i < num; ++i) {
1430             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1431                 self->type = OB_CLIENT_TYPE_DESKTOP;
1432             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1433                 self->type = OB_CLIENT_TYPE_DOCK;
1434             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1435                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1436             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1437                 self->type = OB_CLIENT_TYPE_MENU;
1438             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1439                 self->type = OB_CLIENT_TYPE_UTILITY;
1440             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1441                 self->type = OB_CLIENT_TYPE_SPLASH;
1442             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1443                 self->type = OB_CLIENT_TYPE_DIALOG;
1444             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1445                 self->type = OB_CLIENT_TYPE_NORMAL;
1446             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1447                 /* prevent this window from getting any decor or
1448                    functionality */
1449                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1450                                          OB_MWM_FLAG_DECORATIONS);
1451                 self->mwmhints.decorations = 0;
1452                 self->mwmhints.functions = 0;
1453             }
1454             if (self->type != (ObClientType) -1)
1455                 break; /* grab the first legit type */
1456         }
1457         g_free(val);
1458     }
1459
1460     if (XGetTransientForHint(ob_display, self->window, &t))
1461         self->transient = TRUE;
1462
1463     if (self->type == (ObClientType) -1) {
1464         /*the window type hint was not set, which means we either classify
1465           ourself as a normal window or a dialog, depending on if we are a
1466           transient. */
1467         if (self->transient)
1468             self->type = OB_CLIENT_TYPE_DIALOG;
1469         else
1470             self->type = OB_CLIENT_TYPE_NORMAL;
1471     }
1472
1473     /* then, based on our type, we can update our transientness.. */
1474     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1475         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1476         self->type == OB_CLIENT_TYPE_MENU ||
1477         self->type == OB_CLIENT_TYPE_UTILITY)
1478     {
1479         self->transient = TRUE;
1480     }
1481 }
1482
1483 void client_update_protocols(ObClient *self)
1484 {
1485     guint32 *proto;
1486     guint num_return, i;
1487
1488     self->focus_notify = FALSE;
1489     self->delete_window = FALSE;
1490
1491     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1492         for (i = 0; i < num_return; ++i) {
1493             if (proto[i] == prop_atoms.wm_delete_window)
1494                 /* this means we can request the window to close */
1495                 self->delete_window = TRUE;
1496             else if (proto[i] == prop_atoms.wm_take_focus)
1497                 /* if this protocol is requested, then the window will be
1498                    notified whenever we want it to receive focus */
1499                 self->focus_notify = TRUE;
1500 #ifdef SYNC
1501             else if (proto[i] == prop_atoms.net_wm_sync_request)
1502                 /* if this protocol is requested, then resizing the
1503                    window will be synchronized between the frame and the
1504                    client */
1505                 self->sync_request = TRUE;
1506 #endif
1507         }
1508         g_free(proto);
1509     }
1510 }
1511
1512 #ifdef SYNC
1513 void client_update_sync_request_counter(ObClient *self)
1514 {
1515     guint32 i;
1516
1517     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1518         self->sync_counter = i;
1519     } else
1520         self->sync_counter = None;
1521 }
1522 #endif
1523
1524 void client_get_colormap(ObClient *self)
1525 {
1526     XWindowAttributes wa;
1527
1528     if (XGetWindowAttributes(ob_display, self->window, &wa))
1529         client_update_colormap(self, wa.colormap);
1530 }
1531
1532 void client_update_colormap(ObClient *self, Colormap colormap)
1533 {
1534     self->colormap = colormap;
1535 }
1536
1537 void client_update_normal_hints(ObClient *self)
1538 {
1539     XSizeHints size;
1540     glong ret;
1541
1542     /* defaults */
1543     self->min_ratio = 0.0f;
1544     self->max_ratio = 0.0f;
1545     SIZE_SET(self->size_inc, 1, 1);
1546     SIZE_SET(self->base_size, 0, 0);
1547     SIZE_SET(self->min_size, 0, 0);
1548     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1549
1550     /* get the hints from the window */
1551     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1552         /* normal windows can't request placement! har har
1553         if (!client_normal(self))
1554         */
1555         self->positioned = (size.flags & (PPosition|USPosition));
1556
1557         if (size.flags & PWinGravity)
1558             self->gravity = size.win_gravity;
1559
1560         if (size.flags & PAspect) {
1561             if (size.min_aspect.y)
1562                 self->min_ratio =
1563                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1564             if (size.max_aspect.y)
1565                 self->max_ratio =
1566                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1567         }
1568
1569         if (size.flags & PMinSize)
1570             SIZE_SET(self->min_size, size.min_width, size.min_height);
1571
1572         if (size.flags & PMaxSize)
1573             SIZE_SET(self->max_size, size.max_width, size.max_height);
1574
1575         if (size.flags & PBaseSize)
1576             SIZE_SET(self->base_size, size.base_width, size.base_height);
1577
1578         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1579             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1580     }
1581 }
1582
1583 /*! This needs to be followed by a call to client_configure to make
1584   the changes show */
1585 void client_setup_decor_and_functions(ObClient *self)
1586 {
1587     /* start with everything (cept fullscreen) */
1588     self->decorations =
1589         (OB_FRAME_DECOR_TITLEBAR |
1590          OB_FRAME_DECOR_HANDLE |
1591          OB_FRAME_DECOR_GRIPS |
1592          OB_FRAME_DECOR_BORDER |
1593          OB_FRAME_DECOR_ICON |
1594          OB_FRAME_DECOR_ALLDESKTOPS |
1595          OB_FRAME_DECOR_ICONIFY |
1596          OB_FRAME_DECOR_MAXIMIZE |
1597          OB_FRAME_DECOR_SHADE |
1598          OB_FRAME_DECOR_CLOSE);
1599     self->functions =
1600         (OB_CLIENT_FUNC_RESIZE |
1601          OB_CLIENT_FUNC_MOVE |
1602          OB_CLIENT_FUNC_ICONIFY |
1603          OB_CLIENT_FUNC_MAXIMIZE |
1604          OB_CLIENT_FUNC_SHADE |
1605          OB_CLIENT_FUNC_CLOSE |
1606          OB_CLIENT_FUNC_BELOW |
1607          OB_CLIENT_FUNC_ABOVE |
1608          OB_CLIENT_FUNC_UNDECORATE);
1609
1610     if (!(self->min_size.width < self->max_size.width ||
1611           self->min_size.height < self->max_size.height))
1612         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1613
1614     switch (self->type) {
1615     case OB_CLIENT_TYPE_NORMAL:
1616         /* normal windows retain all of the possible decorations and
1617            functionality, and are the only windows that you can fullscreen */
1618         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1619         break;
1620
1621     case OB_CLIENT_TYPE_DIALOG:
1622     case OB_CLIENT_TYPE_UTILITY:
1623         /* these windows cannot be maximized */
1624         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1625         break;
1626
1627     case OB_CLIENT_TYPE_MENU:
1628     case OB_CLIENT_TYPE_TOOLBAR:
1629         /* these windows get less functionality */
1630         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1631         break;
1632
1633     case OB_CLIENT_TYPE_SPLASH:
1634         /* these don't get get any decorations, and the only thing you can
1635            do with them is move them */
1636         self->decorations = 0;
1637         self->functions = OB_CLIENT_FUNC_MOVE;
1638         break;
1639
1640     case OB_CLIENT_TYPE_DESKTOP:
1641         /* these windows are not manipulated by the window manager */
1642         self->decorations = 0;
1643         self->functions = 0;
1644         break;
1645
1646     case OB_CLIENT_TYPE_DOCK:
1647         /* these windows are not manipulated by the window manager, but they
1648            can set below layer which has a special meaning */
1649         self->decorations = 0;
1650         self->functions = OB_CLIENT_FUNC_BELOW;
1651         break;
1652     }
1653
1654     /* Mwm Hints are applied subtractively to what has already been chosen for
1655        decor and functionality */
1656     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1657         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1658             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1659                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1660             {
1661                 /* if the mwm hints request no handle or title, then all
1662                    decorations are disabled, but keep the border if that's
1663                    specified */
1664                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1665                     self->decorations = OB_FRAME_DECOR_BORDER;
1666                 else
1667                     self->decorations = 0;
1668             }
1669         }
1670     }
1671
1672     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1673         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1674             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1675                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1676             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1677                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1678             /* dont let mwm hints kill any buttons
1679                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1680                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1681                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1682                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1683             */
1684             /* dont let mwm hints kill the close button
1685                if (! (self->mwmhints.functions & MwmFunc_Close))
1686                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1687         }
1688     }
1689
1690     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1691         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1692     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1693         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1694     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1695         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1696
1697     /* can't maximize without moving/resizing */
1698     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1699           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1700           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1701         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1702         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1703     }
1704
1705     if (self->max_horz && self->max_vert)
1706         /* kill the handle on fully maxed windows */
1707         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1708
1709     /* If there are no decorations to remove, don't allow the user to try
1710        toggle the state */
1711     if (self->decorations == 0)
1712         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1713
1714     /* finally, the user can have requested no decorations, which overrides
1715        everything (but doesnt give it a border if it doesnt have one) */
1716     if (self->undecorated) {
1717         if (config_theme_keepborder)
1718             self->decorations &= OB_FRAME_DECOR_BORDER;
1719         else
1720             self->decorations = 0;
1721     }
1722
1723     /* if we don't have a titlebar, then we cannot shade! */
1724     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1725         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1726
1727     /* now we need to check against rules for the client's current state */
1728     if (self->fullscreen) {
1729         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1730                             OB_CLIENT_FUNC_FULLSCREEN |
1731                             OB_CLIENT_FUNC_ICONIFY);
1732         self->decorations = 0;
1733     }
1734
1735     client_change_allowed_actions(self);
1736 }
1737
1738 static void client_change_allowed_actions(ObClient *self)
1739 {
1740     gulong actions[12];
1741     gint num = 0;
1742
1743     /* desktop windows are kept on all desktops */
1744     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1745         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1746
1747     if (self->functions & OB_CLIENT_FUNC_SHADE)
1748         actions[num++] = prop_atoms.net_wm_action_shade;
1749     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1750         actions[num++] = prop_atoms.net_wm_action_close;
1751     if (self->functions & OB_CLIENT_FUNC_MOVE)
1752         actions[num++] = prop_atoms.net_wm_action_move;
1753     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1754         actions[num++] = prop_atoms.net_wm_action_minimize;
1755     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1756         actions[num++] = prop_atoms.net_wm_action_resize;
1757     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1758         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1759     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1760         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1761         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1762     }
1763     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1764         actions[num++] = prop_atoms.net_wm_action_above;
1765     if (self->functions & OB_CLIENT_FUNC_BELOW)
1766         actions[num++] = prop_atoms.net_wm_action_below;
1767     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1768         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1769
1770     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1771
1772     /* make sure the window isn't breaking any rules now */
1773
1774     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1775         if (self->frame) client_shade(self, FALSE);
1776         else self->shaded = FALSE;
1777     }
1778     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1779         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1780         else self->iconic = FALSE;
1781     }
1782     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1783         if (self->frame) client_fullscreen(self, FALSE);
1784         else self->fullscreen = FALSE;
1785     }
1786     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1787                                                          self->max_vert)) {
1788         if (self->frame) client_maximize(self, FALSE, 0);
1789         else self->max_vert = self->max_horz = FALSE;
1790     }
1791 }
1792
1793 void client_reconfigure(ObClient *self)
1794 {
1795     /* by making this pass FALSE for user, we avoid the emacs event storm where
1796        every configurenotify causes an update in its normal hints, i think this
1797        is generally what we want anyways... */
1798     client_configure(self, self->area.x, self->area.y,
1799                      self->area.width, self->area.height, FALSE, TRUE);
1800 }
1801
1802 void client_update_wmhints(ObClient *self)
1803 {
1804     XWMHints *hints;
1805
1806     /* assume a window takes input if it doesnt specify */
1807     self->can_focus = TRUE;
1808
1809     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1810         gboolean ur;
1811
1812         if (hints->flags & InputHint)
1813             self->can_focus = hints->input;
1814
1815         /* only do this when first managing the window *AND* when we aren't
1816            starting up! */
1817         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1818             if (hints->flags & StateHint)
1819                 self->iconic = hints->initial_state == IconicState;
1820
1821         ur = self->urgent;
1822         self->urgent = (hints->flags & XUrgencyHint);
1823         if (self->urgent && !ur)
1824             client_hilite(self, TRUE);
1825         else if (!self->urgent && ur && self->demands_attention)
1826             client_hilite(self, FALSE);
1827
1828         if (!(hints->flags & WindowGroupHint))
1829             hints->window_group = None;
1830
1831         /* did the group state change? */
1832         if (hints->window_group !=
1833             (self->group ? self->group->leader : None))
1834         {
1835             ObGroup *oldgroup = self->group;
1836
1837             /* remove from the old group if there was one */
1838             if (self->group != NULL) {
1839                 group_remove(self->group, self);
1840                 self->group = NULL;
1841             }
1842
1843             /* add ourself to the group if we have one */
1844             if (hints->window_group != None) {
1845                 self->group = group_add(hints->window_group, self);
1846             }
1847
1848             /* Put ourselves into the new group's transient tree, and remove
1849                ourselves from the old group's */
1850             client_update_transient_tree(self, oldgroup, self->group,
1851                                          self->transient_for,
1852                                          self->transient_for);
1853
1854             /* Lastly, being in a group, or not, can change if the window is
1855                transient for anything.
1856
1857                The logic for this is:
1858                self->transient = TRUE always if the window wants to be
1859                transient for something, even if transient_for was NULL because
1860                it wasn't in a group before.
1861
1862                If transient_for was NULL and oldgroup was NULL we can assume
1863                that when we add the new group, it will become transient for
1864                something.
1865
1866                If transient_for was OB_TRAN_GROUP, then it must have already
1867                had a group. If it is getting a new group, the above call to
1868                client_update_transient_tree has already taken care of
1869                everything ! If it is losing all group status then it will
1870                no longer be transient for anything and that needs to be
1871                updated.
1872             */
1873             if (self->transient &&
1874                 ((self->transient_for == NULL && oldgroup == NULL) ||
1875                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1876                 client_update_transient_for(self);
1877         }
1878
1879         /* the WM_HINTS can contain an icon */
1880         client_update_icons(self);
1881
1882         XFree(hints);
1883     }
1884 }
1885
1886 void client_update_title(ObClient *self)
1887 {
1888     gchar *data = NULL;
1889     gchar *visible = NULL;
1890
1891     g_free(self->title);
1892
1893     /* try netwm */
1894     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1895         /* try old x stuff */
1896         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1897               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1898             if (self->transient) {
1899                 /*
1900                   GNOME alert windows are not given titles:
1901                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1902                 */
1903                 data = g_strdup("");
1904             } else
1905                 data = g_strdup("Unnamed Window");
1906         }
1907     }
1908
1909     if (self->client_machine) {
1910         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1911         g_free(data);
1912     } else
1913         visible = data;
1914
1915     PROP_SETS(self->window, net_wm_visible_name, visible);
1916     self->title = visible;
1917
1918     if (self->frame)
1919         frame_adjust_title(self->frame);
1920
1921     /* update the icon title */
1922     data = NULL;
1923     g_free(self->icon_title);
1924
1925     /* try netwm */
1926     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1927         /* try old x stuff */
1928         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1929               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1930             data = g_strdup(self->title);
1931
1932     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1933     self->icon_title = data;
1934 }
1935
1936 void client_update_strut(ObClient *self)
1937 {
1938     guint num;
1939     guint32 *data;
1940     gboolean got = FALSE;
1941     StrutPartial strut;
1942
1943     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1944                     &data, &num)) {
1945         if (num == 12) {
1946             got = TRUE;
1947             STRUT_PARTIAL_SET(strut,
1948                               data[0], data[2], data[1], data[3],
1949                               data[4], data[5], data[8], data[9],
1950                               data[6], data[7], data[10], data[11]);
1951         }
1952         g_free(data);
1953     }
1954
1955     if (!got &&
1956         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1957         if (num == 4) {
1958             const Rect *a;
1959
1960             got = TRUE;
1961
1962             /* use the screen's width/height */
1963             a = screen_physical_area();
1964
1965             STRUT_PARTIAL_SET(strut,
1966                               data[0], data[2], data[1], data[3],
1967                               a->y, a->y + a->height - 1,
1968                               a->x, a->x + a->width - 1,
1969                               a->y, a->y + a->height - 1,
1970                               a->x, a->x + a->width - 1);
1971         }
1972         g_free(data);
1973     }
1974
1975     if (!got)
1976         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1977                           0, 0, 0, 0, 0, 0, 0, 0);
1978
1979     if (!STRUT_EQUAL(strut, self->strut)) {
1980         self->strut = strut;
1981
1982         /* updating here is pointless while we're being mapped cuz we're not in
1983            the client list yet */
1984         if (self->frame)
1985             screen_update_areas();
1986     }
1987 }
1988
1989 void client_update_icons(ObClient *self)
1990 {
1991     guint num;
1992     guint32 *data;
1993     guint w, h, i, j;
1994
1995     for (i = 0; i < self->nicons; ++i)
1996         g_free(self->icons[i].data);
1997     if (self->nicons > 0)
1998         g_free(self->icons);
1999     self->nicons = 0;
2000
2001     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2002         /* figure out how many valid icons are in here */
2003         i = 0;
2004         while (num - i > 2) {
2005             w = data[i++];
2006             h = data[i++];
2007             i += w * h;
2008             if (i > num || w*h == 0) break;
2009             ++self->nicons;
2010         }
2011
2012         self->icons = g_new(ObClientIcon, self->nicons);
2013
2014         /* store the icons */
2015         i = 0;
2016         for (j = 0; j < self->nicons; ++j) {
2017             guint x, y, t;
2018
2019             w = self->icons[j].width = data[i++];
2020             h = self->icons[j].height = data[i++];
2021
2022             if (w*h == 0) continue;
2023
2024             self->icons[j].data = g_new(RrPixel32, w * h);
2025             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2026                 if (x >= w) {
2027                     x = 0;
2028                     ++y;
2029                 }
2030                 self->icons[j].data[t] =
2031                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2032                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2033                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2034                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2035             }
2036             g_assert(i <= num);
2037         }
2038
2039         g_free(data);
2040     } else {
2041         XWMHints *hints;
2042
2043         if ((hints = XGetWMHints(ob_display, self->window))) {
2044             if (hints->flags & IconPixmapHint) {
2045                 self->nicons++;
2046                 self->icons = g_new(ObClientIcon, self->nicons);
2047                 xerror_set_ignore(TRUE);
2048                 if (!RrPixmapToRGBA(ob_rr_inst,
2049                                     hints->icon_pixmap,
2050                                     (hints->flags & IconMaskHint ?
2051                                      hints->icon_mask : None),
2052                                     &self->icons[self->nicons-1].width,
2053                                     &self->icons[self->nicons-1].height,
2054                                     &self->icons[self->nicons-1].data)){
2055                     g_free(&self->icons[self->nicons-1]);
2056                     self->nicons--;
2057                 }
2058                 xerror_set_ignore(FALSE);
2059             }
2060             XFree(hints);
2061         }
2062     }
2063
2064     /* set the default icon onto the window
2065        in theory, this could be a race, but if a window doesn't set an icon
2066        or removes it entirely, it's not very likely it is going to set one
2067        right away afterwards */
2068     if (self->nicons == 0) {
2069         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2070         gulong *data;
2071
2072         data = g_new(gulong, 48*48+2);
2073         data[0] = data[1] =  48;
2074         for (i = 0; i < 48*48; ++i)
2075             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2076                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2077                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2078                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2079         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2080         g_free(data);
2081     } else if (self->frame)
2082         /* don't draw the icon empty if we're just setting one now anyways,
2083            we'll get the property change any second */
2084         frame_adjust_icon(self->frame);
2085 }
2086
2087 void client_update_user_time(ObClient *self)
2088 {
2089     guint32 time;
2090     gboolean got = FALSE;
2091
2092     if (self->user_time_window)
2093         got = PROP_GET32(self->user_time_window,
2094                          net_wm_user_time, cardinal, &time);
2095     if (!got)
2096         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2097
2098     if (got) {
2099         /* we set this every time, not just when it grows, because in practice
2100            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2101            backward we don't want all windows to stop focusing. we'll just
2102            assume noone is setting times older than the last one, cuz that
2103            would be pretty stupid anyways
2104         */
2105         self->user_time = time;
2106
2107         /*ob_debug("window %s user time %u\n", self->title, time);*/
2108     }
2109 }
2110
2111 void client_update_user_time_window(ObClient *self)
2112 {
2113     guint32 w;
2114
2115     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2116         w = None;
2117
2118     if (w != self->user_time_window) {
2119         /* remove the old window */
2120         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2121         self->user_time_window = None;
2122
2123         if (self->group && self->group->leader == w) {
2124             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2125                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2126             /* do it anyways..? */
2127         }
2128         else if (w == self->window) {
2129             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2130                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2131             w = None; /* don't do it */
2132         }
2133
2134         /* add the new window */
2135         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2136         self->user_time_window = w;
2137
2138         /* and update from it */
2139         client_update_user_time(self);
2140     }
2141 }
2142
2143 void client_update_icon_geometry(ObClient *self)
2144 {
2145     guint num;
2146     guint32 *data;
2147
2148     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2149
2150     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2151         && num == 4)
2152     {
2153         /* don't let them set it with an area < 0 */
2154         RECT_SET(self->icon_geometry, data[0], data[1],
2155                  MAX(data[2],0), MAX(data[3],0));
2156     }
2157 }
2158
2159 static void client_get_session_ids(ObClient *self)
2160 {
2161     guint32 leader;
2162     gboolean got;
2163     gchar *s;
2164     gchar **ss;
2165
2166     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2167         leader = None;
2168
2169     /* get the SM_CLIENT_ID */
2170     got = FALSE;
2171     if (leader)
2172         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2173     if (!got)
2174         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2175
2176     /* get the WM_CLASS (name and class). make them "" if they are not
2177        provided */
2178     got = FALSE;
2179     if (leader)
2180         got = PROP_GETSS(leader, wm_class, locale, &ss);
2181     if (!got)
2182         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2183
2184     if (got) {
2185         if (ss[0]) {
2186             self->name = g_strdup(ss[0]);
2187             if (ss[1])
2188                 self->class = g_strdup(ss[1]);
2189         }
2190         g_strfreev(ss);
2191     }
2192
2193     if (self->name == NULL) self->name = g_strdup("");
2194     if (self->class == NULL) self->class = g_strdup("");
2195
2196     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2197     got = FALSE;
2198     if (leader)
2199         got = PROP_GETS(leader, wm_window_role, locale, &s);
2200     if (!got)
2201         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2202
2203     if (got)
2204         self->role = s;
2205     else
2206         self->role = g_strdup("");
2207
2208     /* get the WM_COMMAND */
2209     got = FALSE;
2210
2211     if (leader)
2212         got = PROP_GETSS(leader, wm_command, locale, &ss);
2213     if (!got)
2214         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2215
2216     if (got) {
2217         /* merge/mash them all together */
2218         gchar *merge = NULL;
2219         gint i;
2220
2221         for (i = 0; ss[i]; ++i) {
2222             gchar *tmp = merge;
2223             if (merge)
2224                 merge = g_strconcat(merge, ss[i], NULL);
2225             else
2226                 merge = g_strconcat(ss[i], NULL);
2227             g_free(tmp);
2228         }
2229         g_strfreev(ss);
2230
2231         self->wm_command = merge;
2232     }
2233
2234     /* get the WM_CLIENT_MACHINE */
2235     got = FALSE;
2236     if (leader)
2237         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2238     if (!got)
2239         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2240
2241     if (got) {
2242         gchar localhost[128];
2243
2244         gethostname(localhost, 127);
2245         localhost[127] = '\0';
2246         if (strcmp(localhost, s) != 0)
2247             self->client_machine = s;
2248         else
2249             g_free(s);
2250     }
2251 }
2252
2253 static void client_change_wm_state(ObClient *self)
2254 {
2255     gulong state[2];
2256     glong old;
2257
2258     old = self->wmstate;
2259
2260     if (self->shaded || self->iconic ||
2261         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2262     {
2263         self->wmstate = IconicState;
2264     } else
2265         self->wmstate = NormalState;
2266
2267     if (old != self->wmstate) {
2268         PROP_MSG(self->window, kde_wm_change_state,
2269                  self->wmstate, 1, 0, 0);
2270
2271         state[0] = self->wmstate;
2272         state[1] = None;
2273         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2274         ob_debug("setting wm_state %d\n", self->wmstate);
2275     }
2276 }
2277
2278 static void client_change_state(ObClient *self)
2279 {
2280     gulong netstate[11];
2281     guint num;
2282
2283     num = 0;
2284     if (self->modal)
2285         netstate[num++] = prop_atoms.net_wm_state_modal;
2286     if (self->shaded)
2287         netstate[num++] = prop_atoms.net_wm_state_shaded;
2288     if (self->iconic)
2289         netstate[num++] = prop_atoms.net_wm_state_hidden;
2290     if (self->skip_taskbar)
2291         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2292     if (self->skip_pager)
2293         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2294     if (self->fullscreen)
2295         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2296     if (self->max_vert)
2297         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2298     if (self->max_horz)
2299         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2300     if (self->above)
2301         netstate[num++] = prop_atoms.net_wm_state_above;
2302     if (self->below)
2303         netstate[num++] = prop_atoms.net_wm_state_below;
2304     if (self->demands_attention)
2305         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2306     if (self->undecorated)
2307         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2308     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2309
2310     if (self->frame)
2311         frame_adjust_state(self->frame);
2312 }
2313
2314 ObClient *client_search_focus_tree(ObClient *self)
2315 {
2316     GSList *it;
2317     ObClient *ret;
2318
2319     for (it = self->transients; it; it = g_slist_next(it)) {
2320         if (client_focused(it->data)) return it->data;
2321         if ((ret = client_search_focus_tree(it->data))) return ret;
2322     }
2323     return NULL;
2324 }
2325
2326 ObClient *client_search_focus_tree_full(ObClient *self)
2327 {
2328     if (self->transient_for) {
2329         if (self->transient_for != OB_TRAN_GROUP) {
2330             return client_search_focus_tree_full(self->transient_for);
2331         } else {
2332             GSList *it;
2333             gboolean recursed = FALSE;
2334
2335             for (it = self->group->members; it; it = g_slist_next(it))
2336                 if (!((ObClient*)it->data)->transient_for) {
2337                     ObClient *c;
2338                     if ((c = client_search_focus_tree_full(it->data)))
2339                         return c;
2340                     recursed = TRUE;
2341                 }
2342             if (recursed)
2343                 return NULL;
2344         }
2345     }
2346
2347     /* this function checks the whole tree, the client_search_focus_tree~
2348        does not, so we need to check this window */
2349     if (client_focused(self))
2350         return self;
2351     return client_search_focus_tree(self);
2352 }
2353
2354 static ObStackingLayer calc_layer(ObClient *self)
2355 {
2356     ObStackingLayer l;
2357
2358     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2359         l = OB_STACKING_LAYER_DESKTOP;
2360     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2361         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2362         else l = OB_STACKING_LAYER_ABOVE;
2363     }
2364     else if ((self->fullscreen ||
2365               /* No decorations and fills the monitor = oldskool fullscreen.
2366                  But not for undecorated windows, because the user can do that
2367               */
2368               (self->decorations == 0 &&
2369                !self->undecorated &&
2370                RECT_EQUAL(self->area,
2371                           *screen_physical_area_monitor
2372                           (client_monitor(self))))) &&
2373              (client_focused(self) || client_search_focus_tree(self)))
2374         l = OB_STACKING_LAYER_FULLSCREEN;
2375     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2376     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2377     else l = OB_STACKING_LAYER_NORMAL;
2378
2379     return l;
2380 }
2381
2382 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2383                                         ObStackingLayer min)
2384 {
2385     ObStackingLayer old, own;
2386     GSList *it;
2387
2388     old = self->layer;
2389     own = calc_layer(self);
2390     self->layer = MAX(own, min);
2391
2392     if (self->layer != old) {
2393         stacking_remove(CLIENT_AS_WINDOW(self));
2394         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2395     }
2396
2397     for (it = self->transients; it; it = g_slist_next(it))
2398         client_calc_layer_recursive(it->data, orig,
2399                                     self->layer);
2400 }
2401
2402 void client_calc_layer(ObClient *self)
2403 {
2404     ObClient *orig;
2405     GSList *it;
2406
2407     orig = self;
2408
2409     /* transients take on the layer of their parents */
2410     it = client_search_all_top_parents(self);
2411
2412     for (; it; it = g_slist_next(it))
2413         client_calc_layer_recursive(it->data, orig, 0);
2414 }
2415
2416 gboolean client_should_show(ObClient *self)
2417 {
2418     if (self->iconic)
2419         return FALSE;
2420     if (client_normal(self) && screen_showing_desktop)
2421         return FALSE;
2422     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2423         return TRUE;
2424
2425     return FALSE;
2426 }
2427
2428 gboolean client_show(ObClient *self)
2429 {
2430     gboolean show = FALSE;
2431
2432     if (client_should_show(self)) {
2433         frame_show(self->frame);
2434         show = TRUE;
2435
2436         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2437            it needs to be in IconicState. This includes when it is on another
2438            desktop!
2439         */
2440         client_change_wm_state(self);
2441     }
2442     return show;
2443 }
2444
2445 gboolean client_hide(ObClient *self)
2446 {
2447     gboolean hide = FALSE;
2448
2449     if (!client_should_show(self)) {
2450         if (self == focus_client) {
2451             /* if there is a grab going on, then we need to cancel it. if we
2452                move focus during the grab, applications will get
2453                NotifyWhileGrabbed events and ignore them !
2454
2455                actions should not rely on being able to move focus during an
2456                interactive grab.
2457             */
2458             if (keyboard_interactively_grabbed())
2459                 keyboard_interactive_cancel();
2460         }
2461
2462         frame_hide(self->frame);
2463         hide = TRUE;
2464
2465         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2466            it needs to be in IconicState. This includes when it is on another
2467            desktop!
2468         */
2469         client_change_wm_state(self);
2470     }
2471     return hide;
2472 }
2473
2474 void client_showhide(ObClient *self)
2475 {
2476     if (!client_show(self))
2477         client_hide(self);
2478 }
2479
2480 gboolean client_normal(ObClient *self) {
2481     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2482               self->type == OB_CLIENT_TYPE_DOCK ||
2483               self->type == OB_CLIENT_TYPE_SPLASH);
2484 }
2485
2486 gboolean client_helper(ObClient *self)
2487 {
2488     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2489             self->type == OB_CLIENT_TYPE_MENU ||
2490             self->type == OB_CLIENT_TYPE_TOOLBAR);
2491 }
2492
2493 gboolean client_mouse_focusable(ObClient *self)
2494 {
2495     return !(self->type == OB_CLIENT_TYPE_MENU ||
2496              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2497              self->type == OB_CLIENT_TYPE_SPLASH ||
2498              self->type == OB_CLIENT_TYPE_DOCK);
2499 }
2500
2501 gboolean client_enter_focusable(ObClient *self)
2502 {
2503     /* you can focus desktops but it shouldn't on enter */
2504     return (client_mouse_focusable(self) &&
2505             self->type != OB_CLIENT_TYPE_DESKTOP);
2506 }
2507
2508
2509 static void client_apply_startup_state(ObClient *self)
2510 {
2511     /* set the desktop hint, to make sure that it always exists */
2512     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2513
2514     /* these are in a carefully crafted order.. */
2515
2516     if (self->iconic) {
2517         self->iconic = FALSE;
2518         client_iconify(self, TRUE, FALSE, TRUE);
2519     }
2520     if (self->fullscreen) {
2521         self->fullscreen = FALSE;
2522         client_fullscreen(self, TRUE);
2523     }
2524     if (self->undecorated) {
2525         self->undecorated = FALSE;
2526         client_set_undecorated(self, TRUE);
2527     }
2528     if (self->shaded) {
2529         self->shaded = FALSE;
2530         client_shade(self, TRUE);
2531     }
2532     if (self->demands_attention) {
2533         self->demands_attention = FALSE;
2534         client_hilite(self, TRUE);
2535     }
2536
2537     if (self->max_vert && self->max_horz) {
2538         self->max_vert = self->max_horz = FALSE;
2539         client_maximize(self, TRUE, 0);
2540     } else if (self->max_vert) {
2541         self->max_vert = FALSE;
2542         client_maximize(self, TRUE, 2);
2543     } else if (self->max_horz) {
2544         self->max_horz = FALSE;
2545         client_maximize(self, TRUE, 1);
2546     }
2547
2548     /* nothing to do for the other states:
2549        skip_taskbar
2550        skip_pager
2551        modal
2552        above
2553        below
2554     */
2555 }
2556
2557 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2558 {
2559     /* these should be the current values. this is for when you're not moving,
2560        just resizing */
2561     g_assert(*x == self->area.x);
2562     g_assert(oldw == self->area.width);
2563
2564     /* horizontal */
2565     switch (self->gravity) {
2566     default:
2567     case NorthWestGravity:
2568     case WestGravity:
2569     case SouthWestGravity:
2570     case StaticGravity:
2571     case ForgetGravity:
2572         break;
2573     case NorthGravity:
2574     case CenterGravity:
2575     case SouthGravity:
2576         *x -= (neww - oldw) / 2;
2577         break;
2578     case NorthEastGravity:
2579     case EastGravity:
2580     case SouthEastGravity:
2581         *x -= neww - oldw;
2582         break;
2583     }
2584 }
2585
2586 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2587 {
2588     /* these should be the current values. this is for when you're not moving,
2589        just resizing */
2590     g_assert(*y == self->area.y);
2591     g_assert(oldh == self->area.height);
2592
2593     /* vertical */
2594     switch (self->gravity) {
2595     default:
2596     case NorthWestGravity:
2597     case NorthGravity:
2598     case NorthEastGravity:
2599     case StaticGravity:
2600     case ForgetGravity:
2601         break;
2602     case WestGravity:
2603     case CenterGravity:
2604     case EastGravity:
2605         *y -= (newh - oldh) / 2;
2606         break;
2607     case SouthWestGravity:
2608     case SouthGravity:
2609     case SouthEastGravity:
2610         *y -= newh - oldh;
2611         break;
2612     }
2613 }
2614
2615 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2616                           gint *logicalw, gint *logicalh,
2617                           gboolean user)
2618 {
2619     Rect desired_area = {*x, *y, *w, *h};
2620
2621     /* make the frame recalculate its dimentions n shit without changing
2622        anything visible for real, this way the constraints below can work with
2623        the updated frame dimensions. */
2624     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2625
2626     /* work within the prefered sizes given by the window */
2627     if (!(*w == self->area.width && *h == self->area.height)) {
2628         gint basew, baseh, minw, minh;
2629
2630         /* base size is substituted with min size if not specified */
2631         if (self->base_size.width || self->base_size.height) {
2632             basew = self->base_size.width;
2633             baseh = self->base_size.height;
2634         } else {
2635             basew = self->min_size.width;
2636             baseh = self->min_size.height;
2637         }
2638         /* min size is substituted with base size if not specified */
2639         if (self->min_size.width || self->min_size.height) {
2640             minw = self->min_size.width;
2641             minh = self->min_size.height;
2642         } else {
2643             minw = self->base_size.width;
2644             minh = self->base_size.height;
2645         }
2646
2647         /* if this is a user-requested resize, then check against min/max
2648            sizes */
2649
2650         /* smaller than min size or bigger than max size? */
2651         if (*w > self->max_size.width) *w = self->max_size.width;
2652         if (*w < minw) *w = minw;
2653         if (*h > self->max_size.height) *h = self->max_size.height;
2654         if (*h < minh) *h = minh;
2655
2656         *w -= basew;
2657         *h -= baseh;
2658
2659         /* keep to the increments */
2660         *w /= self->size_inc.width;
2661         *h /= self->size_inc.height;
2662
2663         /* you cannot resize to nothing */
2664         if (basew + *w < 1) *w = 1 - basew;
2665         if (baseh + *h < 1) *h = 1 - baseh;
2666
2667         /* save the logical size */
2668         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2669         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2670
2671         *w *= self->size_inc.width;
2672         *h *= self->size_inc.height;
2673
2674         *w += basew;
2675         *h += baseh;
2676
2677         /* adjust the height to match the width for the aspect ratios.
2678            for this, min size is not substituted for base size ever. */
2679         *w -= self->base_size.width;
2680         *h -= self->base_size.height;
2681
2682         if (!self->fullscreen) {
2683             if (self->min_ratio)
2684                 if (*h * self->min_ratio > *w) {
2685                     *h = (gint)(*w / self->min_ratio);
2686
2687                     /* you cannot resize to nothing */
2688                     if (*h < 1) {
2689                         *h = 1;
2690                         *w = (gint)(*h * self->min_ratio);
2691                     }
2692                 }
2693             if (self->max_ratio)
2694                 if (*h * self->max_ratio < *w) {
2695                     *h = (gint)(*w / self->max_ratio);
2696
2697                     /* you cannot resize to nothing */
2698                     if (*h < 1) {
2699                         *h = 1;
2700                         *w = (gint)(*h * self->min_ratio);
2701                     }
2702                 }
2703         }
2704
2705         *w += self->base_size.width;
2706         *h += self->base_size.height;
2707     }
2708
2709     /* gets the frame's position */
2710     frame_client_gravity(self->frame, x, y, *w, *h);
2711
2712     /* these positions are frame positions, not client positions */
2713
2714     /* set the size and position if fullscreen */
2715     if (self->fullscreen) {
2716         Rect *a;
2717         guint i;
2718
2719         i = screen_find_monitor(&desired_area);
2720         a = screen_physical_area_monitor(i);
2721
2722         *x = a->x;
2723         *y = a->y;
2724         *w = a->width;
2725         *h = a->height;
2726
2727         user = FALSE; /* ignore if the client can't be moved/resized when it
2728                          is entering fullscreen */
2729     } else if (self->max_horz || self->max_vert) {
2730         Rect *a;
2731         guint i;
2732
2733         i = screen_find_monitor(&desired_area);
2734         a = screen_area_monitor(self->desktop, i);
2735
2736         /* set the size and position if maximized */
2737         if (self->max_horz) {
2738             *x = a->x;
2739             *w = a->width - self->frame->size.left - self->frame->size.right;
2740         }
2741         if (self->max_vert) {
2742             *y = a->y;
2743             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2744         }
2745
2746         /* maximizing is not allowed if the user can't move+resize the window
2747          */
2748     }
2749
2750     /* gets the client's position */
2751     frame_frame_gravity(self->frame, x, y, *w, *h);
2752
2753     /* these override the above states! if you cant move you can't move! */
2754     if (user) {
2755         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2756             *x = self->area.x;
2757             *y = self->area.y;
2758         }
2759         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2760             *w = self->area.width;
2761             *h = self->area.height;
2762         }
2763     }
2764
2765     g_assert(*w > 0);
2766     g_assert(*h > 0);
2767 }
2768
2769
2770 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2771                       gboolean user, gboolean final)
2772 {
2773     gint oldw, oldh;
2774     gboolean send_resize_client;
2775     gboolean moved = FALSE, resized = FALSE;
2776     gboolean fmoved, fresized;
2777     guint fdecor = self->frame->decorations;
2778     gboolean fhorz = self->frame->max_horz;
2779     gboolean fvert = self->frame->max_vert;
2780     gint logicalw, logicalh;
2781
2782     /* find the new x, y, width, and height (and logical size) */
2783     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2784
2785     /* set the logical size if things changed */
2786     if (!(w == self->area.width && h == self->area.height))
2787         SIZE_SET(self->logical_size, logicalw, logicalh);
2788
2789     /* figure out if we moved or resized or what */
2790     moved = x != self->area.x || y != self->area.y;
2791     resized = w != self->area.width || h != self->area.height;
2792
2793     oldw = self->area.width;
2794     oldh = self->area.height;
2795     RECT_SET(self->area, x, y, w, h);
2796
2797     /* for app-requested resizes, always resize if 'resized' is true.
2798        for user-requested ones, only resize if final is true, or when
2799        resizing in redraw mode */
2800     send_resize_client = ((!user && resized) ||
2801                           (user && (final ||
2802                                     (resized && config_resize_redraw))));
2803
2804     /* if the client is enlarging, then resize the client before the frame */
2805     if (send_resize_client && (w > oldw || h > oldh)) {
2806         XResizeWindow(ob_display, self->window,
2807                       MAX(w, oldw), MAX(h, oldh));
2808         /* resize the plate to show the client padding color underneath */
2809         frame_adjust_client_area(self->frame);
2810     }
2811
2812     /* find the frame's dimensions and move/resize it */
2813     fmoved = moved;
2814     fresized = resized;
2815
2816     /* if decorations changed, then readjust everything for the frame */
2817     if (self->decorations != fdecor ||
2818         self->max_horz != fhorz || self->max_vert != fvert)
2819     {
2820         fmoved = fresized = TRUE;
2821     }
2822
2823     /* adjust the frame */
2824     if (fmoved || fresized)
2825         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2826
2827     if ((!user || (user && final)) && !resized)
2828     {
2829         XEvent event;
2830
2831         POINT_SET(self->root_pos,
2832                   self->frame->area.x + self->frame->size.left -
2833                   self->border_width,
2834                   self->frame->area.y + self->frame->size.top -
2835                   self->border_width);
2836
2837         event.type = ConfigureNotify;
2838         event.xconfigure.display = ob_display;
2839         event.xconfigure.event = self->window;
2840         event.xconfigure.window = self->window;
2841
2842         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2843                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2844
2845         /* root window real coords */
2846         event.xconfigure.x = self->root_pos.x;
2847         event.xconfigure.y = self->root_pos.y;
2848         event.xconfigure.width = w;
2849         event.xconfigure.height = h;
2850         event.xconfigure.border_width = 0;
2851         event.xconfigure.above = self->frame->plate;
2852         event.xconfigure.override_redirect = FALSE;
2853         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2854                    FALSE, StructureNotifyMask, &event);
2855     }
2856
2857     /* if the client is shrinking, then resize the frame before the client */
2858     if (send_resize_client && (w <= oldw || h <= oldh)) {
2859         /* resize the plate to show the client padding color underneath */
2860         frame_adjust_client_area(self->frame);
2861
2862         if (send_resize_client)
2863             XResizeWindow(ob_display, self->window, w, h);
2864     }
2865
2866     XFlush(ob_display);
2867 }
2868
2869 void client_fullscreen(ObClient *self, gboolean fs)
2870 {
2871     gint x, y, w, h;
2872
2873     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2874         self->fullscreen == fs) return;                   /* already done */
2875
2876     self->fullscreen = fs;
2877     client_change_state(self); /* change the state hints on the client */
2878
2879     if (fs) {
2880         self->pre_fullscreen_area = self->area;
2881         /* if the window is maximized, its area isn't all that meaningful.
2882            save it's premax area instead. */
2883         if (self->max_horz) {
2884             self->pre_fullscreen_area.x = self->pre_max_area.x;
2885             self->pre_fullscreen_area.width = self->pre_max_area.width;
2886         }
2887         if (self->max_vert) {
2888             self->pre_fullscreen_area.y = self->pre_max_area.y;
2889             self->pre_fullscreen_area.height = self->pre_max_area.height;
2890         }
2891
2892         /* these will help configure_full figure out where to fullscreen
2893            the window */
2894         x = self->area.x;
2895         y = self->area.y;
2896         w = self->area.width;
2897         h = self->area.height;
2898     } else {
2899         g_assert(self->pre_fullscreen_area.width > 0 &&
2900                  self->pre_fullscreen_area.height > 0);
2901
2902         x = self->pre_fullscreen_area.x;
2903         y = self->pre_fullscreen_area.y;
2904         w = self->pre_fullscreen_area.width;
2905         h = self->pre_fullscreen_area.height;
2906         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2907     }
2908
2909     client_setup_decor_and_functions(self);
2910
2911     client_move_resize(self, x, y, w, h);
2912
2913     /* and adjust our layer/stacking. do this after resizing the window,
2914        and applying decorations, because windows which fill the screen are
2915        considered "fullscreen" and it affects their layer */
2916     client_calc_layer(self);
2917
2918     if (fs) {
2919         /* try focus us when we go into fullscreen mode */
2920         client_focus(self);
2921     }
2922 }
2923
2924 static void client_iconify_recursive(ObClient *self,
2925                                      gboolean iconic, gboolean curdesk,
2926                                      gboolean hide_animation)
2927 {
2928     GSList *it;
2929     gboolean changed = FALSE;
2930
2931
2932     if (self->iconic != iconic) {
2933         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2934                  self->window);
2935
2936         if (iconic) {
2937             /* don't let non-normal windows iconify along with their parents
2938                or whatever */
2939             if (client_normal(self)) {
2940                 self->iconic = iconic;
2941
2942                 /* update the focus lists.. iconic windows go to the bottom of
2943                    the list, put the new iconic window at the 'top of the
2944                    bottom'. */
2945                 focus_order_to_top(self);
2946
2947                 changed = TRUE;
2948             }
2949         } else {
2950             self->iconic = iconic;
2951
2952             if (curdesk && self->desktop != screen_desktop &&
2953                 self->desktop != DESKTOP_ALL)
2954                 client_set_desktop(self, screen_desktop, FALSE);
2955
2956             /* this puts it after the current focused window */
2957             focus_order_remove(self);
2958             focus_order_add_new(self);
2959
2960             changed = TRUE;
2961         }
2962     }
2963
2964     if (changed) {
2965         client_change_state(self);
2966         if (config_animate_iconify && !hide_animation)
2967             frame_begin_iconify_animation(self->frame, iconic);
2968         /* do this after starting the animation so it doesn't flash */
2969         client_showhide(self);
2970     }
2971
2972     /* iconify all direct transients, and deiconify all transients
2973        (non-direct too) */
2974     for (it = self->transients; it; it = g_slist_next(it))
2975         if (it->data != self)
2976             if (client_is_direct_child(self, it->data) || !iconic)
2977                 client_iconify_recursive(it->data, iconic, curdesk,
2978                                          hide_animation);
2979 }
2980
2981 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2982                     gboolean hide_animation)
2983 {
2984     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2985         /* move up the transient chain as far as possible first */
2986         self = client_search_top_normal_parent(self);
2987         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2988     }
2989 }
2990
2991 void client_maximize(ObClient *self, gboolean max, gint dir)
2992 {
2993     gint x, y, w, h;
2994
2995     g_assert(dir == 0 || dir == 1 || dir == 2);
2996     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2997
2998     /* check if already done */
2999     if (max) {
3000         if (dir == 0 && self->max_horz && self->max_vert) return;
3001         if (dir == 1 && self->max_horz) return;
3002         if (dir == 2 && self->max_vert) return;
3003     } else {
3004         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3005         if (dir == 1 && !self->max_horz) return;
3006         if (dir == 2 && !self->max_vert) return;
3007     }
3008
3009     /* these will help configure_full figure out which screen to fill with
3010        the window */
3011     x = self->area.x;
3012     y = self->area.y;
3013     w = self->area.width;
3014     h = self->area.height;
3015
3016     if (max) {
3017         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3018             RECT_SET(self->pre_max_area,
3019                      self->area.x, self->pre_max_area.y,
3020                      self->area.width, self->pre_max_area.height);
3021         }
3022         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3023             RECT_SET(self->pre_max_area,
3024                      self->pre_max_area.x, self->area.y,
3025                      self->pre_max_area.width, self->area.height);
3026         }
3027     } else {
3028         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3029             g_assert(self->pre_max_area.width > 0);
3030
3031             x = self->pre_max_area.x;
3032             w = self->pre_max_area.width;
3033
3034             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3035                      0, self->pre_max_area.height);
3036         }
3037         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3038             g_assert(self->pre_max_area.height > 0);
3039
3040             y = self->pre_max_area.y;
3041             h = self->pre_max_area.height;
3042
3043             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3044                      self->pre_max_area.width, 0);
3045         }
3046     }
3047
3048     if (dir == 0 || dir == 1) /* horz */
3049         self->max_horz = max;
3050     if (dir == 0 || dir == 2) /* vert */
3051         self->max_vert = max;
3052
3053     client_change_state(self); /* change the state hints on the client */
3054
3055     client_setup_decor_and_functions(self);
3056
3057     client_move_resize(self, x, y, w, h);
3058 }
3059
3060 void client_shade(ObClient *self, gboolean shade)
3061 {
3062     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3063          shade) ||                         /* can't shade */
3064         self->shaded == shade) return;     /* already done */
3065
3066     self->shaded = shade;
3067     client_change_state(self);
3068     client_change_wm_state(self); /* the window is being hidden/shown */
3069     /* resize the frame to just the titlebar */
3070     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3071 }
3072
3073 void client_close(ObClient *self)
3074 {
3075     XEvent ce;
3076
3077     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3078
3079     /* in the case that the client provides no means to requesting that it
3080        close, we just kill it */
3081     if (!self->delete_window)
3082         client_kill(self);
3083
3084     /*
3085       XXX: itd be cool to do timeouts and shit here for killing the client's
3086       process off
3087       like... if the window is around after 5 seconds, then the close button
3088       turns a nice red, and if this function is called again, the client is
3089       explicitly killed.
3090     */
3091
3092     ce.xclient.type = ClientMessage;
3093     ce.xclient.message_type =  prop_atoms.wm_protocols;
3094     ce.xclient.display = ob_display;
3095     ce.xclient.window = self->window;
3096     ce.xclient.format = 32;
3097     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3098     ce.xclient.data.l[1] = event_curtime;
3099     ce.xclient.data.l[2] = 0l;
3100     ce.xclient.data.l[3] = 0l;
3101     ce.xclient.data.l[4] = 0l;
3102     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3103 }
3104
3105 void client_kill(ObClient *self)
3106 {
3107     XKillClient(ob_display, self->window);
3108 }
3109
3110 void client_hilite(ObClient *self, gboolean hilite)
3111 {
3112     if (self->demands_attention == hilite)
3113         return; /* no change */
3114
3115     /* don't allow focused windows to hilite */
3116     self->demands_attention = hilite && !client_focused(self);
3117     if (self->frame != NULL) { /* if we're mapping, just set the state */
3118         if (self->demands_attention)
3119             frame_flash_start(self->frame);
3120         else
3121             frame_flash_stop(self->frame);
3122         client_change_state(self);
3123     }
3124 }
3125
3126 void client_set_desktop_recursive(ObClient *self,
3127                                   guint target,
3128                                   gboolean donthide)
3129 {
3130     guint old;
3131     GSList *it;
3132
3133     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3134
3135         ob_debug("Setting desktop %u\n", target+1);
3136
3137         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3138
3139         old = self->desktop;
3140         self->desktop = target;
3141         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3142         /* the frame can display the current desktop state */
3143         frame_adjust_state(self->frame);
3144         /* 'move' the window to the new desktop */
3145         if (!donthide)
3146             client_showhide(self);
3147         /* raise if it was not already on the desktop */
3148         if (old != DESKTOP_ALL)
3149             stacking_raise(CLIENT_AS_WINDOW(self));
3150         if (STRUT_EXISTS(self->strut))
3151             screen_update_areas();
3152     }
3153
3154     /* move all transients */
3155     for (it = self->transients; it; it = g_slist_next(it))
3156         if (it->data != self)
3157             if (client_is_direct_child(self, it->data))
3158                 client_set_desktop_recursive(it->data, target, donthide);
3159 }
3160
3161 void client_set_desktop(ObClient *self, guint target,
3162                         gboolean donthide)
3163 {
3164     self = client_search_top_normal_parent(self);
3165     client_set_desktop_recursive(self, target, donthide);
3166 }
3167
3168 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3169 {
3170     while (child != parent &&
3171            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3172         child = child->transient_for;
3173     return child == parent;
3174 }
3175
3176 ObClient *client_search_modal_child(ObClient *self)
3177 {
3178     GSList *it;
3179     ObClient *ret;
3180
3181     for (it = self->transients; it; it = g_slist_next(it)) {
3182         ObClient *c = it->data;
3183         if ((ret = client_search_modal_child(c))) return ret;
3184         if (c->modal) return c;
3185     }
3186     return NULL;
3187 }
3188
3189 gboolean client_validate(ObClient *self)
3190 {
3191     XEvent e;
3192
3193     XSync(ob_display, FALSE); /* get all events on the server */
3194
3195     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3196         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3197         XPutBackEvent(ob_display, &e);
3198         return FALSE;
3199     }
3200
3201     return TRUE;
3202 }
3203
3204 void client_set_wm_state(ObClient *self, glong state)
3205 {
3206     if (state == self->wmstate) return; /* no change */
3207
3208     switch (state) {
3209     case IconicState:
3210         client_iconify(self, TRUE, TRUE, FALSE);
3211         break;
3212     case NormalState:
3213         client_iconify(self, FALSE, TRUE, FALSE);
3214         break;
3215     }
3216 }
3217
3218 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3219 {
3220     gboolean shaded = self->shaded;
3221     gboolean fullscreen = self->fullscreen;
3222     gboolean undecorated = self->undecorated;
3223     gboolean max_horz = self->max_horz;
3224     gboolean max_vert = self->max_vert;
3225     gboolean modal = self->modal;
3226     gboolean iconic = self->iconic;
3227     gboolean demands_attention = self->demands_attention;
3228     gboolean above = self->above;
3229     gboolean below = self->below;
3230     gint i;
3231
3232     if (!(action == prop_atoms.net_wm_state_add ||
3233           action == prop_atoms.net_wm_state_remove ||
3234           action == prop_atoms.net_wm_state_toggle))
3235         /* an invalid action was passed to the client message, ignore it */
3236         return;
3237
3238     for (i = 0; i < 2; ++i) {
3239         Atom state = i == 0 ? data1 : data2;
3240
3241         if (!state) continue;
3242
3243         /* if toggling, then pick whether we're adding or removing */
3244         if (action == prop_atoms.net_wm_state_toggle) {
3245             if (state == prop_atoms.net_wm_state_modal)
3246                 action = modal ? prop_atoms.net_wm_state_remove :
3247                     prop_atoms.net_wm_state_add;
3248             else if (state == prop_atoms.net_wm_state_maximized_vert)
3249                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3250                     prop_atoms.net_wm_state_add;
3251             else if (state == prop_atoms.net_wm_state_maximized_horz)
3252                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3253                     prop_atoms.net_wm_state_add;
3254             else if (state == prop_atoms.net_wm_state_shaded)
3255                 action = shaded ? prop_atoms.net_wm_state_remove :
3256                     prop_atoms.net_wm_state_add;
3257             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3258                 action = self->skip_taskbar ?
3259                     prop_atoms.net_wm_state_remove :
3260                     prop_atoms.net_wm_state_add;
3261             else if (state == prop_atoms.net_wm_state_skip_pager)
3262                 action = self->skip_pager ?
3263                     prop_atoms.net_wm_state_remove :
3264                     prop_atoms.net_wm_state_add;
3265             else if (state == prop_atoms.net_wm_state_hidden)
3266                 action = self->iconic ?
3267                     prop_atoms.net_wm_state_remove :
3268                     prop_atoms.net_wm_state_add;
3269             else if (state == prop_atoms.net_wm_state_fullscreen)
3270                 action = fullscreen ?
3271                     prop_atoms.net_wm_state_remove :
3272                     prop_atoms.net_wm_state_add;
3273             else if (state == prop_atoms.net_wm_state_above)
3274                 action = self->above ? prop_atoms.net_wm_state_remove :
3275                     prop_atoms.net_wm_state_add;
3276             else if (state == prop_atoms.net_wm_state_below)
3277                 action = self->below ? prop_atoms.net_wm_state_remove :
3278                     prop_atoms.net_wm_state_add;
3279             else if (state == prop_atoms.net_wm_state_demands_attention)
3280                 action = self->demands_attention ?
3281                     prop_atoms.net_wm_state_remove :
3282                     prop_atoms.net_wm_state_add;
3283             else if (state == prop_atoms.ob_wm_state_undecorated)
3284                 action = undecorated ? prop_atoms.net_wm_state_remove :
3285                     prop_atoms.net_wm_state_add;
3286         }
3287
3288         if (action == prop_atoms.net_wm_state_add) {
3289             if (state == prop_atoms.net_wm_state_modal) {
3290                 modal = TRUE;
3291             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3292                 max_vert = TRUE;
3293             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3294                 max_horz = TRUE;
3295             } else if (state == prop_atoms.net_wm_state_shaded) {
3296                 shaded = TRUE;
3297             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3298                 self->skip_taskbar = TRUE;
3299             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3300                 self->skip_pager = TRUE;
3301             } else if (state == prop_atoms.net_wm_state_hidden) {
3302                 iconic = TRUE;
3303             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3304                 fullscreen = TRUE;
3305             } else if (state == prop_atoms.net_wm_state_above) {
3306                 above = TRUE;
3307                 below = FALSE;
3308             } else if (state == prop_atoms.net_wm_state_below) {
3309                 above = FALSE;
3310                 below = TRUE;
3311             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3312                 demands_attention = TRUE;
3313             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3314                 undecorated = TRUE;
3315             }
3316
3317         } else { /* action == prop_atoms.net_wm_state_remove */
3318             if (state == prop_atoms.net_wm_state_modal) {
3319                 modal = FALSE;
3320             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3321                 max_vert = FALSE;
3322             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3323                 max_horz = FALSE;
3324             } else if (state == prop_atoms.net_wm_state_shaded) {
3325                 shaded = FALSE;
3326             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3327                 self->skip_taskbar = FALSE;
3328             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3329                 self->skip_pager = FALSE;
3330             } else if (state == prop_atoms.net_wm_state_hidden) {
3331                 iconic = FALSE;
3332             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3333                 fullscreen = FALSE;
3334             } else if (state == prop_atoms.net_wm_state_above) {
3335                 above = FALSE;
3336             } else if (state == prop_atoms.net_wm_state_below) {
3337                 below = FALSE;
3338             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3339                 demands_attention = FALSE;
3340             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3341                 undecorated = FALSE;
3342             }
3343         }
3344     }
3345
3346     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3347         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3348             /* toggling both */
3349             if (max_horz == max_vert) { /* both going the same way */
3350                 client_maximize(self, max_horz, 0);
3351             } else {
3352                 client_maximize(self, max_horz, 1);
3353                 client_maximize(self, max_vert, 2);
3354             }
3355         } else {
3356             /* toggling one */
3357             if (max_horz != self->max_horz)
3358                 client_maximize(self, max_horz, 1);
3359             else
3360                 client_maximize(self, max_vert, 2);
3361         }
3362     }
3363     /* change fullscreen state before shading, as it will affect if the window
3364        can shade or not */
3365     if (fullscreen != self->fullscreen)
3366         client_fullscreen(self, fullscreen);
3367     if (shaded != self->shaded)
3368         client_shade(self, shaded);
3369     if (undecorated != self->undecorated)
3370         client_set_undecorated(self, undecorated);
3371     if (above != self->above || below != self->below) {
3372         self->above = above;
3373         self->below = below;
3374         client_calc_layer(self);
3375     }
3376
3377     if (modal != self->modal) {
3378         self->modal = modal;
3379         /* when a window changes modality, then its stacking order with its
3380            transients needs to change */
3381         stacking_raise(CLIENT_AS_WINDOW(self));
3382
3383         /* it also may get focused. if something is focused that shouldn't
3384            be focused anymore, then move the focus */
3385         if (focus_client && client_focus_target(focus_client) != focus_client)
3386             client_focus(focus_client);
3387     }
3388
3389     if (iconic != self->iconic)
3390         client_iconify(self, iconic, FALSE, FALSE);
3391
3392     if (demands_attention != self->demands_attention)
3393         client_hilite(self, demands_attention);
3394
3395     client_change_state(self); /* change the hint to reflect these changes */
3396 }
3397
3398 ObClient *client_focus_target(ObClient *self)
3399 {
3400     ObClient *child = NULL;
3401
3402     child = client_search_modal_child(self);
3403     if (child) return child;
3404     return self;
3405 }
3406
3407 gboolean client_can_focus(ObClient *self)
3408 {
3409     /* choose the correct target */
3410     self = client_focus_target(self);
3411
3412     if (!self->frame->visible)
3413         return FALSE;
3414
3415     if (!(self->can_focus || self->focus_notify))
3416         return FALSE;
3417
3418     return TRUE;
3419 }
3420
3421 gboolean client_focus(ObClient *self)
3422 {
3423     /* choose the correct target */
3424     self = client_focus_target(self);
3425
3426     if (!client_can_focus(self)) {
3427         if (!self->frame->visible) {
3428             /* update the focus lists */
3429             focus_order_to_top(self);
3430         }
3431         return FALSE;
3432     }
3433
3434     ob_debug_type(OB_DEBUG_FOCUS,
3435                   "Focusing client \"%s\" at time %u\n",
3436                   self->title, event_curtime);
3437
3438     /* if there is a grab going on, then we need to cancel it. if we move
3439        focus during the grab, applications will get NotifyWhileGrabbed events
3440        and ignore them !
3441
3442        actions should not rely on being able to move focus during an
3443        interactive grab.
3444     */
3445     if (keyboard_interactively_grabbed())
3446         keyboard_interactive_cancel();
3447
3448     xerror_set_ignore(TRUE);
3449     xerror_occured = FALSE;
3450
3451     if (self->can_focus) {
3452         /* This can cause a BadMatch error with CurrentTime, or if an app
3453            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3454         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3455                        event_curtime);
3456     }
3457
3458     if (self->focus_notify) {
3459         XEvent ce;
3460         ce.xclient.type = ClientMessage;
3461         ce.xclient.message_type = prop_atoms.wm_protocols;
3462         ce.xclient.display = ob_display;
3463         ce.xclient.window = self->window;
3464         ce.xclient.format = 32;
3465         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3466         ce.xclient.data.l[1] = event_curtime;
3467         ce.xclient.data.l[2] = 0l;
3468         ce.xclient.data.l[3] = 0l;
3469         ce.xclient.data.l[4] = 0l;
3470         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3471     }
3472
3473     xerror_set_ignore(FALSE);
3474
3475     return !xerror_occured;
3476 }
3477
3478 /*! Present the client to the user.
3479   @param raise If the client should be raised or not. You should only set
3480                raise to false if you don't care if the window is completely
3481                hidden.
3482 */
3483 static void client_present(ObClient *self, gboolean here, gboolean raise)
3484 {
3485     /* if using focus_delay, stop the timer now so that focus doesn't
3486        go moving on us */
3487     event_halt_focus_delay();
3488
3489     if (client_normal(self) && screen_showing_desktop)
3490         screen_show_desktop(FALSE, self);
3491     if (self->iconic)
3492         client_iconify(self, FALSE, here, FALSE);
3493     if (self->desktop != DESKTOP_ALL &&
3494         self->desktop != screen_desktop)
3495     {
3496         if (here)
3497             client_set_desktop(self, screen_desktop, FALSE);
3498         else
3499             screen_set_desktop(self->desktop, FALSE);
3500     } else if (!self->frame->visible)
3501         /* if its not visible for other reasons, then don't mess
3502            with it */
3503         return;
3504     if (self->shaded)
3505         client_shade(self, FALSE);
3506     if (raise)
3507         stacking_raise(CLIENT_AS_WINDOW(self));
3508
3509     client_focus(self);
3510 }
3511
3512 void client_activate(ObClient *self, gboolean here, gboolean user)
3513 {
3514     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3515     gboolean allow = FALSE;
3516
3517     /* if the request came from the user, or if nothing is focused, then grant
3518        the request.
3519        if the currently focused app doesn't set a user_time, then it can't
3520        benefit from any focus stealing prevention.
3521     */
3522     if (user || !focus_client || !last_time)
3523         allow = TRUE;
3524     /* otherwise, if they didn't give a time stamp or if it is too old, they
3525        don't get focus */
3526     else
3527         allow = event_curtime && event_time_after(event_curtime, last_time);
3528
3529     ob_debug_type(OB_DEBUG_FOCUS,
3530                   "Want to activate window 0x%x with time %u (last time %u), "
3531                   "source=%s allowing? %d\n",
3532                   self->window, event_curtime, last_time,
3533                   (user ? "user" : "application"), allow);
3534
3535     if (allow)
3536         client_present(self, here, TRUE);
3537     else
3538         /* don't focus it but tell the user it wants attention */
3539         client_hilite(self, TRUE);
3540 }
3541
3542 static void client_bring_helper_windows_recursive(ObClient *self,
3543                                                   guint desktop)
3544 {
3545     GSList *it;
3546
3547     for (it = self->transients; it; it = g_slist_next(it))
3548         client_bring_helper_windows_recursive(it->data, desktop);
3549
3550     if (client_helper(self) &&
3551         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3552     {
3553         client_set_desktop(self, desktop, FALSE);
3554     }
3555 }
3556
3557 void client_bring_helper_windows(ObClient *self)
3558 {
3559     client_bring_helper_windows_recursive(self, self->desktop);
3560 }
3561
3562 gboolean client_focused(ObClient *self)
3563 {
3564     return self == focus_client;
3565 }
3566
3567 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3568 {
3569     guint i;
3570     gulong min_diff, min_i;
3571
3572     if (!self->nicons) {
3573         ObClientIcon *parent = NULL;
3574
3575         if (self->transient_for) {
3576             if (self->transient_for != OB_TRAN_GROUP)
3577                 parent = client_icon_recursive(self->transient_for, w, h);
3578             else {
3579                 GSList *it;
3580                 for (it = self->group->members; it; it = g_slist_next(it)) {
3581                     ObClient *c = it->data;
3582                     if (c != self && !c->transient_for) {
3583                         if ((parent = client_icon_recursive(c, w, h)))
3584                             break;
3585                     }
3586                 }
3587             }
3588         }
3589
3590         return parent;
3591     }
3592
3593     /* some kind of crappy approximation to find the icon closest in size to
3594        what we requested, but icons are generally all the same ratio as
3595        eachother so it's good enough. */
3596
3597     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3598     min_i = 0;
3599
3600     for (i = 1; i < self->nicons; ++i) {
3601         gulong diff;
3602
3603         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3604         if (diff < min_diff) {
3605             min_diff = diff;
3606             min_i = i;
3607         }
3608     }
3609     return &self->icons[min_i];
3610 }
3611
3612 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3613 {
3614     ObClientIcon *ret;
3615     static ObClientIcon deficon;
3616
3617     if (!(ret = client_icon_recursive(self, w, h))) {
3618         deficon.width = deficon.height = 48;
3619         deficon.data = ob_rr_theme->def_win_icon;
3620         ret = &deficon;
3621     }
3622     return ret;
3623 }
3624
3625 void client_set_layer(ObClient *self, gint layer)
3626 {
3627     if (layer < 0) {
3628         self->below = TRUE;
3629         self->above = FALSE;
3630     } else if (layer == 0) {
3631         self->below = self->above = FALSE;
3632     } else {
3633         self->below = FALSE;
3634         self->above = TRUE;
3635     }
3636     client_calc_layer(self);
3637     client_change_state(self); /* reflect this in the state hints */
3638 }
3639
3640 void client_set_undecorated(ObClient *self, gboolean undecorated)
3641 {
3642     if (self->undecorated != undecorated &&
3643         /* don't let it undecorate if the function is missing, but let
3644            it redecorate */
3645         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3646     {
3647         self->undecorated = undecorated;
3648         client_setup_decor_and_functions(self);
3649         client_reconfigure(self); /* show the lack of decorations */
3650         client_change_state(self); /* reflect this in the state hints */
3651     }
3652 }
3653
3654 guint client_monitor(ObClient *self)
3655 {
3656     return screen_find_monitor(&self->frame->area);
3657 }
3658
3659 ObClient *client_search_top_normal_parent(ObClient *self)
3660 {
3661     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3662            client_normal(self->transient_for))
3663         self = self->transient_for;
3664     return self;
3665 }
3666
3667 static GSList *client_search_all_top_parents_internal(ObClient *self,
3668                                                       gboolean bylayer,
3669                                                       ObStackingLayer layer)
3670 {
3671     GSList *ret = NULL;
3672
3673     /* move up the direct transient chain as far as possible */
3674     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3675            (!bylayer || self->transient_for->layer == layer) &&
3676            client_normal(self->transient_for))
3677         self = self->transient_for;
3678
3679     if (!self->transient_for)
3680         ret = g_slist_prepend(ret, self);
3681     else {
3682             GSList *it;
3683
3684             g_assert(self->group);
3685
3686             for (it = self->group->members; it; it = g_slist_next(it)) {
3687                 ObClient *c = it->data;
3688
3689                 if (!c->transient_for && client_normal(c) &&
3690                     (!bylayer || c->layer == layer))
3691                 {
3692                     ret = g_slist_prepend(ret, c);
3693                 }
3694             }
3695
3696             if (ret == NULL) /* no group parents */
3697                 ret = g_slist_prepend(ret, self);
3698     }
3699
3700     return ret;
3701 }
3702
3703 GSList *client_search_all_top_parents(ObClient *self)
3704 {
3705     return client_search_all_top_parents_internal(self, FALSE, 0);
3706 }
3707
3708 GSList *client_search_all_top_parents_layer(ObClient *self)
3709 {
3710     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3711 }
3712
3713 ObClient *client_search_focus_parent(ObClient *self)
3714 {
3715     if (self->transient_for) {
3716         if (self->transient_for != OB_TRAN_GROUP) {
3717             if (client_focused(self->transient_for))
3718                 return self->transient_for;
3719         } else {
3720             GSList *it;
3721
3722             for (it = self->group->members; it; it = g_slist_next(it)) {
3723                 ObClient *c = it->data;
3724
3725                 /* checking transient_for prevents infinate loops! */
3726                 if (c != self && !c->transient_for)
3727                     if (client_focused(c))
3728                         return c;
3729             }
3730         }
3731     }
3732
3733     return NULL;
3734 }
3735
3736 ObClient *client_search_parent(ObClient *self, ObClient *search)
3737 {
3738     if (self->transient_for) {
3739         if (self->transient_for != OB_TRAN_GROUP) {
3740             if (self->transient_for == search)
3741                 return search;
3742         } else {
3743             GSList *it;
3744
3745             for (it = self->group->members; it; it = g_slist_next(it)) {
3746                 ObClient *c = it->data;
3747
3748                 /* checking transient_for prevents infinate loops! */
3749                 if (c != self && !c->transient_for)
3750                     if (c == search)
3751                         return search;
3752             }
3753         }
3754     }
3755
3756     return NULL;
3757 }
3758
3759 ObClient *client_search_transient(ObClient *self, ObClient *search)
3760 {
3761     GSList *sit;
3762
3763     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3764         if (sit->data == search)
3765             return search;
3766         if (client_search_transient(sit->data, search))
3767             return search;
3768     }
3769     return NULL;
3770 }
3771
3772 #define WANT_EDGE(cur, c) \
3773             if(cur == c)                                                      \
3774                 continue;                                                     \
3775             if(!client_normal(cur))                                           \
3776                 continue;                                                     \
3777             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3778                 continue;                                                     \
3779             if(cur->iconic)                                                   \
3780                 continue;
3781
3782 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3783             if ((his_edge_start >= my_edge_start && \
3784                  his_edge_start <= my_edge_end) ||  \
3785                 (my_edge_start >= his_edge_start && \
3786                  my_edge_start <= his_edge_end))    \
3787                 dest = his_offset;
3788
3789 /* finds the nearest edge in the given direction from the current client
3790  * note to self: the edge is the -frame- edge (the actual one), not the
3791  * client edge.
3792  */
3793 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3794 {
3795     gint dest, monitor_dest;
3796     gint my_edge_start, my_edge_end, my_offset;
3797     GList *it;
3798     Rect *a, *monitor;
3799
3800     if(!client_list)
3801         return -1;
3802
3803     a = screen_area(c->desktop);
3804     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3805
3806     switch(dir) {
3807     case OB_DIRECTION_NORTH:
3808         my_edge_start = c->frame->area.x;
3809         my_edge_end = c->frame->area.x + c->frame->area.width;
3810         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3811
3812         /* default: top of screen */
3813         dest = a->y + (hang ? c->frame->area.height : 0);
3814         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3815         /* if the monitor edge comes before the screen edge, */
3816         /* use that as the destination instead. (For xinerama) */
3817         if (monitor_dest != dest && my_offset > monitor_dest)
3818             dest = monitor_dest;
3819
3820         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3821             gint his_edge_start, his_edge_end, his_offset;
3822             ObClient *cur = it->data;
3823
3824             WANT_EDGE(cur, c)
3825
3826             his_edge_start = cur->frame->area.x;
3827             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3828             his_offset = cur->frame->area.y +
3829                          (hang ? 0 : cur->frame->area.height);
3830
3831             if(his_offset + 1 > my_offset)
3832                 continue;
3833
3834             if(his_offset < dest)
3835                 continue;
3836
3837             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3838         }
3839         break;
3840     case OB_DIRECTION_SOUTH:
3841         my_edge_start = c->frame->area.x;
3842         my_edge_end = c->frame->area.x + c->frame->area.width;
3843         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3844
3845         /* default: bottom of screen */
3846         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3847         monitor_dest = monitor->y + monitor->height -
3848                        (hang ? c->frame->area.height : 0);
3849         /* if the monitor edge comes before the screen edge, */
3850         /* use that as the destination instead. (For xinerama) */
3851         if (monitor_dest != dest && my_offset < monitor_dest)
3852             dest = monitor_dest;
3853
3854         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3855             gint his_edge_start, his_edge_end, his_offset;
3856             ObClient *cur = it->data;
3857
3858             WANT_EDGE(cur, c)
3859
3860             his_edge_start = cur->frame->area.x;
3861             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3862             his_offset = cur->frame->area.y +
3863                          (hang ? cur->frame->area.height : 0);
3864
3865
3866             if(his_offset - 1 < my_offset)
3867                 continue;
3868
3869             if(his_offset > dest)
3870                 continue;
3871
3872             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3873         }
3874         break;
3875     case OB_DIRECTION_WEST:
3876         my_edge_start = c->frame->area.y;
3877         my_edge_end = c->frame->area.y + c->frame->area.height;
3878         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3879
3880         /* default: leftmost egde of screen */
3881         dest = a->x + (hang ? c->frame->area.width : 0);
3882         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3883         /* if the monitor edge comes before the screen edge, */
3884         /* use that as the destination instead. (For xinerama) */
3885         if (monitor_dest != dest && my_offset > monitor_dest)
3886             dest = monitor_dest;
3887
3888         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3889             gint his_edge_start, his_edge_end, his_offset;
3890             ObClient *cur = it->data;
3891
3892             WANT_EDGE(cur, c)
3893
3894             his_edge_start = cur->frame->area.y;
3895             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3896             his_offset = cur->frame->area.x +
3897                          (hang ? 0 : cur->frame->area.width);
3898
3899             if(his_offset + 1 > my_offset)
3900                 continue;
3901
3902             if(his_offset < dest)
3903                 continue;
3904
3905             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3906         }
3907        break;
3908     case OB_DIRECTION_EAST:
3909         my_edge_start = c->frame->area.y;
3910         my_edge_end = c->frame->area.y + c->frame->area.height;
3911         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3912
3913         /* default: rightmost edge of screen */
3914         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3915         monitor_dest = monitor->x + monitor->width -
3916                        (hang ? c->frame->area.width : 0);
3917         /* if the monitor edge comes before the screen edge, */
3918         /* use that as the destination instead. (For xinerama) */
3919         if (monitor_dest != dest && my_offset < monitor_dest)
3920             dest = monitor_dest;
3921
3922         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3923             gint his_edge_start, his_edge_end, his_offset;
3924             ObClient *cur = it->data;
3925
3926             WANT_EDGE(cur, c)
3927
3928             his_edge_start = cur->frame->area.y;
3929             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3930             his_offset = cur->frame->area.x +
3931                          (hang ? cur->frame->area.width : 0);
3932
3933             if(his_offset - 1 < my_offset)
3934                 continue;
3935
3936             if(his_offset > dest)
3937                 continue;
3938
3939             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3940         }
3941         break;
3942     case OB_DIRECTION_NORTHEAST:
3943     case OB_DIRECTION_SOUTHEAST:
3944     case OB_DIRECTION_NORTHWEST:
3945     case OB_DIRECTION_SOUTHWEST:
3946         /* not implemented */
3947     default:
3948         g_assert_not_reached();
3949         dest = 0; /* suppress warning */
3950     }
3951     return dest;
3952 }
3953
3954 ObClient* client_under_pointer()
3955 {
3956     gint x, y;
3957     GList *it;
3958     ObClient *ret = NULL;
3959
3960     if (screen_pointer_pos(&x, &y)) {
3961         for (it = stacking_list; it; it = g_list_next(it)) {
3962             if (WINDOW_IS_CLIENT(it->data)) {
3963                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3964                 if (c->frame->visible &&
3965                     /* ignore all animating windows */
3966                     !frame_iconify_animating(c->frame) &&
3967                     RECT_CONTAINS(c->frame->area, x, y))
3968                 {
3969                     ret = c;
3970                     break;
3971                 }
3972             }
3973         }
3974     }
3975     return ret;
3976 }
3977
3978 gboolean client_has_group_siblings(ObClient *self)
3979 {
3980     return self->group && self->group->members->next;
3981 }