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         /* these windows don't have anything added or removed by default */
1623         break;
1624
1625     case OB_CLIENT_TYPE_UTILITY:
1626     case OB_CLIENT_TYPE_MENU:
1627     case OB_CLIENT_TYPE_TOOLBAR:
1628         /* these windows can't iconify */
1629         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1630         self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
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         /* you can't resize fully maximized windows */
1707         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1708         /* kill the handle on fully maxed windows */
1709         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1710     }
1711
1712     /* If there are no decorations to remove, don't allow the user to try
1713        toggle the state */
1714     if (self->decorations == 0)
1715         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1716
1717     /* finally, the user can have requested no decorations, which overrides
1718        everything (but doesnt give it a border if it doesnt have one) */
1719     if (self->undecorated) {
1720         if (config_theme_keepborder)
1721             self->decorations &= OB_FRAME_DECOR_BORDER;
1722         else
1723             self->decorations = 0;
1724     }
1725
1726     /* if we don't have a titlebar, then we cannot shade! */
1727     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1728         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1729
1730     /* now we need to check against rules for the client's current state */
1731     if (self->fullscreen) {
1732         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1733                             OB_CLIENT_FUNC_FULLSCREEN |
1734                             OB_CLIENT_FUNC_ICONIFY);
1735         self->decorations = 0;
1736     }
1737
1738     client_change_allowed_actions(self);
1739 }
1740
1741 static void client_change_allowed_actions(ObClient *self)
1742 {
1743     gulong actions[12];
1744     gint num = 0;
1745
1746     /* desktop windows are kept on all desktops */
1747     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1748         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1749
1750     if (self->functions & OB_CLIENT_FUNC_SHADE)
1751         actions[num++] = prop_atoms.net_wm_action_shade;
1752     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1753         actions[num++] = prop_atoms.net_wm_action_close;
1754     if (self->functions & OB_CLIENT_FUNC_MOVE)
1755         actions[num++] = prop_atoms.net_wm_action_move;
1756     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1757         actions[num++] = prop_atoms.net_wm_action_minimize;
1758     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1759         actions[num++] = prop_atoms.net_wm_action_resize;
1760     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1761         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1762     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1763         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1764         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1765     }
1766     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1767         actions[num++] = prop_atoms.net_wm_action_above;
1768     if (self->functions & OB_CLIENT_FUNC_BELOW)
1769         actions[num++] = prop_atoms.net_wm_action_below;
1770     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1771         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1772
1773     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1774
1775     /* make sure the window isn't breaking any rules now */
1776
1777     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1778         if (self->frame) client_shade(self, FALSE);
1779         else self->shaded = FALSE;
1780     }
1781     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1782         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1783         else self->iconic = FALSE;
1784     }
1785     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1786         if (self->frame) client_fullscreen(self, FALSE);
1787         else self->fullscreen = FALSE;
1788     }
1789     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1790                                                          self->max_vert)) {
1791         if (self->frame) client_maximize(self, FALSE, 0);
1792         else self->max_vert = self->max_horz = FALSE;
1793     }
1794 }
1795
1796 void client_reconfigure(ObClient *self)
1797 {
1798     /* by making this pass FALSE for user, we avoid the emacs event storm where
1799        every configurenotify causes an update in its normal hints, i think this
1800        is generally what we want anyways... */
1801     client_configure(self, self->area.x, self->area.y,
1802                      self->area.width, self->area.height, FALSE, TRUE);
1803 }
1804
1805 void client_update_wmhints(ObClient *self)
1806 {
1807     XWMHints *hints;
1808
1809     /* assume a window takes input if it doesnt specify */
1810     self->can_focus = TRUE;
1811
1812     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1813         gboolean ur;
1814
1815         if (hints->flags & InputHint)
1816             self->can_focus = hints->input;
1817
1818         /* only do this when first managing the window *AND* when we aren't
1819            starting up! */
1820         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1821             if (hints->flags & StateHint)
1822                 self->iconic = hints->initial_state == IconicState;
1823
1824         ur = self->urgent;
1825         self->urgent = (hints->flags & XUrgencyHint);
1826         if (self->urgent && !ur)
1827             client_hilite(self, TRUE);
1828         else if (!self->urgent && ur && self->demands_attention)
1829             client_hilite(self, FALSE);
1830
1831         if (!(hints->flags & WindowGroupHint))
1832             hints->window_group = None;
1833
1834         /* did the group state change? */
1835         if (hints->window_group !=
1836             (self->group ? self->group->leader : None))
1837         {
1838             ObGroup *oldgroup = self->group;
1839
1840             /* remove from the old group if there was one */
1841             if (self->group != NULL) {
1842                 group_remove(self->group, self);
1843                 self->group = NULL;
1844             }
1845
1846             /* add ourself to the group if we have one */
1847             if (hints->window_group != None) {
1848                 self->group = group_add(hints->window_group, self);
1849             }
1850
1851             /* Put ourselves into the new group's transient tree, and remove
1852                ourselves from the old group's */
1853             client_update_transient_tree(self, oldgroup, self->group,
1854                                          self->transient_for,
1855                                          self->transient_for);
1856
1857             /* Lastly, being in a group, or not, can change if the window is
1858                transient for anything.
1859
1860                The logic for this is:
1861                self->transient = TRUE always if the window wants to be
1862                transient for something, even if transient_for was NULL because
1863                it wasn't in a group before.
1864
1865                If transient_for was NULL and oldgroup was NULL we can assume
1866                that when we add the new group, it will become transient for
1867                something.
1868
1869                If transient_for was OB_TRAN_GROUP, then it must have already
1870                had a group. If it is getting a new group, the above call to
1871                client_update_transient_tree has already taken care of
1872                everything ! If it is losing all group status then it will
1873                no longer be transient for anything and that needs to be
1874                updated.
1875             */
1876             if (self->transient &&
1877                 ((self->transient_for == NULL && oldgroup == NULL) ||
1878                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1879                 client_update_transient_for(self);
1880         }
1881
1882         /* the WM_HINTS can contain an icon */
1883         client_update_icons(self);
1884
1885         XFree(hints);
1886     }
1887 }
1888
1889 void client_update_title(ObClient *self)
1890 {
1891     gchar *data = NULL;
1892     gchar *visible = NULL;
1893
1894     g_free(self->title);
1895
1896     /* try netwm */
1897     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1898         /* try old x stuff */
1899         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1900               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1901             if (self->transient) {
1902                 /*
1903                   GNOME alert windows are not given titles:
1904                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1905                 */
1906                 data = g_strdup("");
1907             } else
1908                 data = g_strdup("Unnamed Window");
1909         }
1910     }
1911
1912     if (self->client_machine) {
1913         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1914         g_free(data);
1915     } else
1916         visible = data;
1917
1918     PROP_SETS(self->window, net_wm_visible_name, visible);
1919     self->title = visible;
1920
1921     if (self->frame)
1922         frame_adjust_title(self->frame);
1923
1924     /* update the icon title */
1925     data = NULL;
1926     g_free(self->icon_title);
1927
1928     /* try netwm */
1929     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1930         /* try old x stuff */
1931         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1932               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1933             data = g_strdup(self->title);
1934
1935     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1936     self->icon_title = data;
1937 }
1938
1939 void client_update_strut(ObClient *self)
1940 {
1941     guint num;
1942     guint32 *data;
1943     gboolean got = FALSE;
1944     StrutPartial strut;
1945
1946     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1947                     &data, &num)) {
1948         if (num == 12) {
1949             got = TRUE;
1950             STRUT_PARTIAL_SET(strut,
1951                               data[0], data[2], data[1], data[3],
1952                               data[4], data[5], data[8], data[9],
1953                               data[6], data[7], data[10], data[11]);
1954         }
1955         g_free(data);
1956     }
1957
1958     if (!got &&
1959         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1960         if (num == 4) {
1961             const Rect *a;
1962
1963             got = TRUE;
1964
1965             /* use the screen's width/height */
1966             a = screen_physical_area();
1967
1968             STRUT_PARTIAL_SET(strut,
1969                               data[0], data[2], data[1], data[3],
1970                               a->y, a->y + a->height - 1,
1971                               a->x, a->x + a->width - 1,
1972                               a->y, a->y + a->height - 1,
1973                               a->x, a->x + a->width - 1);
1974         }
1975         g_free(data);
1976     }
1977
1978     if (!got)
1979         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1980                           0, 0, 0, 0, 0, 0, 0, 0);
1981
1982     if (!STRUT_EQUAL(strut, self->strut)) {
1983         self->strut = strut;
1984
1985         /* updating here is pointless while we're being mapped cuz we're not in
1986            the client list yet */
1987         if (self->frame)
1988             screen_update_areas();
1989     }
1990 }
1991
1992 void client_update_icons(ObClient *self)
1993 {
1994     guint num;
1995     guint32 *data;
1996     guint w, h, i, j;
1997
1998     for (i = 0; i < self->nicons; ++i)
1999         g_free(self->icons[i].data);
2000     if (self->nicons > 0)
2001         g_free(self->icons);
2002     self->nicons = 0;
2003
2004     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2005         /* figure out how many valid icons are in here */
2006         i = 0;
2007         while (num - i > 2) {
2008             w = data[i++];
2009             h = data[i++];
2010             i += w * h;
2011             if (i > num || w*h == 0) break;
2012             ++self->nicons;
2013         }
2014
2015         self->icons = g_new(ObClientIcon, self->nicons);
2016
2017         /* store the icons */
2018         i = 0;
2019         for (j = 0; j < self->nicons; ++j) {
2020             guint x, y, t;
2021
2022             w = self->icons[j].width = data[i++];
2023             h = self->icons[j].height = data[i++];
2024
2025             if (w*h == 0) continue;
2026
2027             self->icons[j].data = g_new(RrPixel32, w * h);
2028             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2029                 if (x >= w) {
2030                     x = 0;
2031                     ++y;
2032                 }
2033                 self->icons[j].data[t] =
2034                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2035                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2036                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2037                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2038             }
2039             g_assert(i <= num);
2040         }
2041
2042         g_free(data);
2043     } else {
2044         XWMHints *hints;
2045
2046         if ((hints = XGetWMHints(ob_display, self->window))) {
2047             if (hints->flags & IconPixmapHint) {
2048                 self->nicons++;
2049                 self->icons = g_new(ObClientIcon, self->nicons);
2050                 xerror_set_ignore(TRUE);
2051                 if (!RrPixmapToRGBA(ob_rr_inst,
2052                                     hints->icon_pixmap,
2053                                     (hints->flags & IconMaskHint ?
2054                                      hints->icon_mask : None),
2055                                     &self->icons[self->nicons-1].width,
2056                                     &self->icons[self->nicons-1].height,
2057                                     &self->icons[self->nicons-1].data)){
2058                     g_free(&self->icons[self->nicons-1]);
2059                     self->nicons--;
2060                 }
2061                 xerror_set_ignore(FALSE);
2062             }
2063             XFree(hints);
2064         }
2065     }
2066
2067     /* set the default icon onto the window
2068        in theory, this could be a race, but if a window doesn't set an icon
2069        or removes it entirely, it's not very likely it is going to set one
2070        right away afterwards */
2071     if (self->nicons == 0) {
2072         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2073         gulong *data;
2074
2075         data = g_new(gulong, 48*48+2);
2076         data[0] = data[1] =  48;
2077         for (i = 0; i < 48*48; ++i)
2078             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2079                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2080                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2081                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2082         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2083         g_free(data);
2084     } else if (self->frame)
2085         /* don't draw the icon empty if we're just setting one now anyways,
2086            we'll get the property change any second */
2087         frame_adjust_icon(self->frame);
2088 }
2089
2090 void client_update_user_time(ObClient *self)
2091 {
2092     guint32 time;
2093     gboolean got = FALSE;
2094
2095     if (self->user_time_window)
2096         got = PROP_GET32(self->user_time_window,
2097                          net_wm_user_time, cardinal, &time);
2098     if (!got)
2099         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2100
2101     if (got) {
2102         /* we set this every time, not just when it grows, because in practice
2103            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2104            backward we don't want all windows to stop focusing. we'll just
2105            assume noone is setting times older than the last one, cuz that
2106            would be pretty stupid anyways
2107         */
2108         self->user_time = time;
2109
2110         /*ob_debug("window %s user time %u\n", self->title, time);*/
2111     }
2112 }
2113
2114 void client_update_user_time_window(ObClient *self)
2115 {
2116     guint32 w;
2117
2118     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2119         w = None;
2120
2121     if (w != self->user_time_window) {
2122         /* remove the old window */
2123         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2124         self->user_time_window = None;
2125
2126         if (self->group && self->group->leader == w) {
2127             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2128                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2129             /* do it anyways..? */
2130         }
2131         else if (w == self->window) {
2132             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2133                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2134             w = None; /* don't do it */
2135         }
2136
2137         /* add the new window */
2138         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2139         self->user_time_window = w;
2140
2141         /* and update from it */
2142         client_update_user_time(self);
2143     }
2144 }
2145
2146 void client_update_icon_geometry(ObClient *self)
2147 {
2148     guint num;
2149     guint32 *data;
2150
2151     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2152
2153     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2154         && num == 4)
2155     {
2156         /* don't let them set it with an area < 0 */
2157         RECT_SET(self->icon_geometry, data[0], data[1],
2158                  MAX(data[2],0), MAX(data[3],0));
2159     }
2160 }
2161
2162 static void client_get_session_ids(ObClient *self)
2163 {
2164     guint32 leader;
2165     gboolean got;
2166     gchar *s;
2167     gchar **ss;
2168
2169     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2170         leader = None;
2171
2172     /* get the SM_CLIENT_ID */
2173     got = FALSE;
2174     if (leader)
2175         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2176     if (!got)
2177         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2178
2179     /* get the WM_CLASS (name and class). make them "" if they are not
2180        provided */
2181     got = FALSE;
2182     if (leader)
2183         got = PROP_GETSS(leader, wm_class, locale, &ss);
2184     if (!got)
2185         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2186
2187     if (got) {
2188         if (ss[0]) {
2189             self->name = g_strdup(ss[0]);
2190             if (ss[1])
2191                 self->class = g_strdup(ss[1]);
2192         }
2193         g_strfreev(ss);
2194     }
2195
2196     if (self->name == NULL) self->name = g_strdup("");
2197     if (self->class == NULL) self->class = g_strdup("");
2198
2199     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2200     got = FALSE;
2201     if (leader)
2202         got = PROP_GETS(leader, wm_window_role, locale, &s);
2203     if (!got)
2204         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2205
2206     if (got)
2207         self->role = s;
2208     else
2209         self->role = g_strdup("");
2210
2211     /* get the WM_COMMAND */
2212     got = FALSE;
2213
2214     if (leader)
2215         got = PROP_GETSS(leader, wm_command, locale, &ss);
2216     if (!got)
2217         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2218
2219     if (got) {
2220         /* merge/mash them all together */
2221         gchar *merge = NULL;
2222         gint i;
2223
2224         for (i = 0; ss[i]; ++i) {
2225             gchar *tmp = merge;
2226             if (merge)
2227                 merge = g_strconcat(merge, ss[i], NULL);
2228             else
2229                 merge = g_strconcat(ss[i], NULL);
2230             g_free(tmp);
2231         }
2232         g_strfreev(ss);
2233
2234         self->wm_command = merge;
2235     }
2236
2237     /* get the WM_CLIENT_MACHINE */
2238     got = FALSE;
2239     if (leader)
2240         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2241     if (!got)
2242         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2243
2244     if (got) {
2245         gchar localhost[128];
2246
2247         gethostname(localhost, 127);
2248         localhost[127] = '\0';
2249         if (strcmp(localhost, s) != 0)
2250             self->client_machine = s;
2251         else
2252             g_free(s);
2253     }
2254 }
2255
2256 static void client_change_wm_state(ObClient *self)
2257 {
2258     gulong state[2];
2259     glong old;
2260
2261     old = self->wmstate;
2262
2263     if (self->shaded || self->iconic ||
2264         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2265     {
2266         self->wmstate = IconicState;
2267     } else
2268         self->wmstate = NormalState;
2269
2270     if (old != self->wmstate) {
2271         PROP_MSG(self->window, kde_wm_change_state,
2272                  self->wmstate, 1, 0, 0);
2273
2274         state[0] = self->wmstate;
2275         state[1] = None;
2276         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2277         ob_debug("setting wm_state %d\n", self->wmstate);
2278     }
2279 }
2280
2281 static void client_change_state(ObClient *self)
2282 {
2283     gulong netstate[11];
2284     guint num;
2285
2286     num = 0;
2287     if (self->modal)
2288         netstate[num++] = prop_atoms.net_wm_state_modal;
2289     if (self->shaded)
2290         netstate[num++] = prop_atoms.net_wm_state_shaded;
2291     if (self->iconic)
2292         netstate[num++] = prop_atoms.net_wm_state_hidden;
2293     if (self->skip_taskbar)
2294         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2295     if (self->skip_pager)
2296         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2297     if (self->fullscreen)
2298         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2299     if (self->max_vert)
2300         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2301     if (self->max_horz)
2302         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2303     if (self->above)
2304         netstate[num++] = prop_atoms.net_wm_state_above;
2305     if (self->below)
2306         netstate[num++] = prop_atoms.net_wm_state_below;
2307     if (self->demands_attention)
2308         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2309     if (self->undecorated)
2310         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2311     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2312
2313     if (self->frame)
2314         frame_adjust_state(self->frame);
2315 }
2316
2317 ObClient *client_search_focus_tree(ObClient *self)
2318 {
2319     GSList *it;
2320     ObClient *ret;
2321
2322     for (it = self->transients; it; it = g_slist_next(it)) {
2323         if (client_focused(it->data)) return it->data;
2324         if ((ret = client_search_focus_tree(it->data))) return ret;
2325     }
2326     return NULL;
2327 }
2328
2329 ObClient *client_search_focus_tree_full(ObClient *self)
2330 {
2331     if (self->transient_for) {
2332         if (self->transient_for != OB_TRAN_GROUP) {
2333             return client_search_focus_tree_full(self->transient_for);
2334         } else {
2335             GSList *it;
2336             gboolean recursed = FALSE;
2337
2338             for (it = self->group->members; it; it = g_slist_next(it))
2339                 if (!((ObClient*)it->data)->transient_for) {
2340                     ObClient *c;
2341                     if ((c = client_search_focus_tree_full(it->data)))
2342                         return c;
2343                     recursed = TRUE;
2344                 }
2345             if (recursed)
2346                 return NULL;
2347         }
2348     }
2349
2350     /* this function checks the whole tree, the client_search_focus_tree~
2351        does not, so we need to check this window */
2352     if (client_focused(self))
2353         return self;
2354     return client_search_focus_tree(self);
2355 }
2356
2357 static ObStackingLayer calc_layer(ObClient *self)
2358 {
2359     ObStackingLayer l;
2360
2361     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2362         l = OB_STACKING_LAYER_DESKTOP;
2363     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2364         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2365         else l = OB_STACKING_LAYER_ABOVE;
2366     }
2367     else if ((self->fullscreen ||
2368               /* No decorations and fills the monitor = oldskool fullscreen.
2369                  But not for undecorated windows, because the user can do that
2370               */
2371               (self->decorations == 0 &&
2372                !self->undecorated &&
2373                RECT_EQUAL(self->area,
2374                           *screen_physical_area_monitor
2375                           (client_monitor(self))))) &&
2376              (client_focused(self) || client_search_focus_tree(self)))
2377         l = OB_STACKING_LAYER_FULLSCREEN;
2378     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2379     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2380     else l = OB_STACKING_LAYER_NORMAL;
2381
2382     return l;
2383 }
2384
2385 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2386                                         ObStackingLayer min)
2387 {
2388     ObStackingLayer old, own;
2389     GSList *it;
2390
2391     old = self->layer;
2392     own = calc_layer(self);
2393     self->layer = MAX(own, min);
2394
2395     if (self->layer != old) {
2396         stacking_remove(CLIENT_AS_WINDOW(self));
2397         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2398     }
2399
2400     for (it = self->transients; it; it = g_slist_next(it))
2401         client_calc_layer_recursive(it->data, orig,
2402                                     self->layer);
2403 }
2404
2405 void client_calc_layer(ObClient *self)
2406 {
2407     ObClient *orig;
2408     GSList *it;
2409
2410     orig = self;
2411
2412     /* transients take on the layer of their parents */
2413     it = client_search_all_top_parents(self);
2414
2415     for (; it; it = g_slist_next(it))
2416         client_calc_layer_recursive(it->data, orig, 0);
2417 }
2418
2419 gboolean client_should_show(ObClient *self)
2420 {
2421     if (self->iconic)
2422         return FALSE;
2423     if (client_normal(self) && screen_showing_desktop)
2424         return FALSE;
2425     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2426         return TRUE;
2427
2428     return FALSE;
2429 }
2430
2431 gboolean client_show(ObClient *self)
2432 {
2433     gboolean show = FALSE;
2434
2435     if (client_should_show(self)) {
2436         frame_show(self->frame);
2437         show = TRUE;
2438
2439         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2440            it needs to be in IconicState. This includes when it is on another
2441            desktop!
2442         */
2443         client_change_wm_state(self);
2444     }
2445     return show;
2446 }
2447
2448 gboolean client_hide(ObClient *self)
2449 {
2450     gboolean hide = FALSE;
2451
2452     if (!client_should_show(self)) {
2453         if (self == focus_client) {
2454             /* if there is a grab going on, then we need to cancel it. if we
2455                move focus during the grab, applications will get
2456                NotifyWhileGrabbed events and ignore them !
2457
2458                actions should not rely on being able to move focus during an
2459                interactive grab.
2460             */
2461             if (keyboard_interactively_grabbed())
2462                 keyboard_interactive_cancel();
2463         }
2464
2465         frame_hide(self->frame);
2466         hide = TRUE;
2467
2468         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2469            it needs to be in IconicState. This includes when it is on another
2470            desktop!
2471         */
2472         client_change_wm_state(self);
2473     }
2474     return hide;
2475 }
2476
2477 void client_showhide(ObClient *self)
2478 {
2479     if (!client_show(self))
2480         client_hide(self);
2481 }
2482
2483 gboolean client_normal(ObClient *self) {
2484     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2485               self->type == OB_CLIENT_TYPE_DOCK ||
2486               self->type == OB_CLIENT_TYPE_SPLASH);
2487 }
2488
2489 gboolean client_helper(ObClient *self)
2490 {
2491     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2492             self->type == OB_CLIENT_TYPE_MENU ||
2493             self->type == OB_CLIENT_TYPE_TOOLBAR);
2494 }
2495
2496 gboolean client_mouse_focusable(ObClient *self)
2497 {
2498     return !(self->type == OB_CLIENT_TYPE_MENU ||
2499              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2500              self->type == OB_CLIENT_TYPE_SPLASH ||
2501              self->type == OB_CLIENT_TYPE_DOCK);
2502 }
2503
2504 gboolean client_enter_focusable(ObClient *self)
2505 {
2506     /* you can focus desktops but it shouldn't on enter */
2507     return (client_mouse_focusable(self) &&
2508             self->type != OB_CLIENT_TYPE_DESKTOP);
2509 }
2510
2511
2512 static void client_apply_startup_state(ObClient *self)
2513 {
2514     /* set the desktop hint, to make sure that it always exists */
2515     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2516
2517     /* these are in a carefully crafted order.. */
2518
2519     if (self->iconic) {
2520         self->iconic = FALSE;
2521         client_iconify(self, TRUE, FALSE, TRUE);
2522     }
2523     if (self->fullscreen) {
2524         self->fullscreen = FALSE;
2525         client_fullscreen(self, TRUE);
2526     }
2527     if (self->undecorated) {
2528         self->undecorated = FALSE;
2529         client_set_undecorated(self, TRUE);
2530     }
2531     if (self->shaded) {
2532         self->shaded = FALSE;
2533         client_shade(self, TRUE);
2534     }
2535     if (self->demands_attention) {
2536         self->demands_attention = FALSE;
2537         client_hilite(self, TRUE);
2538     }
2539
2540     if (self->max_vert && self->max_horz) {
2541         self->max_vert = self->max_horz = FALSE;
2542         client_maximize(self, TRUE, 0);
2543     } else if (self->max_vert) {
2544         self->max_vert = FALSE;
2545         client_maximize(self, TRUE, 2);
2546     } else if (self->max_horz) {
2547         self->max_horz = FALSE;
2548         client_maximize(self, TRUE, 1);
2549     }
2550
2551     /* nothing to do for the other states:
2552        skip_taskbar
2553        skip_pager
2554        modal
2555        above
2556        below
2557     */
2558 }
2559
2560 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2561 {
2562     /* these should be the current values. this is for when you're not moving,
2563        just resizing */
2564     g_assert(*x == self->area.x);
2565     g_assert(oldw == self->area.width);
2566
2567     /* horizontal */
2568     switch (self->gravity) {
2569     default:
2570     case NorthWestGravity:
2571     case WestGravity:
2572     case SouthWestGravity:
2573     case StaticGravity:
2574     case ForgetGravity:
2575         break;
2576     case NorthGravity:
2577     case CenterGravity:
2578     case SouthGravity:
2579         *x -= (neww - oldw) / 2;
2580         break;
2581     case NorthEastGravity:
2582     case EastGravity:
2583     case SouthEastGravity:
2584         *x -= neww - oldw;
2585         break;
2586     }
2587 }
2588
2589 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2590 {
2591     /* these should be the current values. this is for when you're not moving,
2592        just resizing */
2593     g_assert(*y == self->area.y);
2594     g_assert(oldh == self->area.height);
2595
2596     /* vertical */
2597     switch (self->gravity) {
2598     default:
2599     case NorthWestGravity:
2600     case NorthGravity:
2601     case NorthEastGravity:
2602     case StaticGravity:
2603     case ForgetGravity:
2604         break;
2605     case WestGravity:
2606     case CenterGravity:
2607     case EastGravity:
2608         *y -= (newh - oldh) / 2;
2609         break;
2610     case SouthWestGravity:
2611     case SouthGravity:
2612     case SouthEastGravity:
2613         *y -= newh - oldh;
2614         break;
2615     }
2616 }
2617
2618 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2619                           gint *logicalw, gint *logicalh,
2620                           gboolean user)
2621 {
2622     Rect desired_area = {*x, *y, *w, *h};
2623
2624     /* make the frame recalculate its dimentions n shit without changing
2625        anything visible for real, this way the constraints below can work with
2626        the updated frame dimensions. */
2627     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2628
2629     /* work within the prefered sizes given by the window */
2630     if (!(*w == self->area.width && *h == self->area.height)) {
2631         gint basew, baseh, minw, minh;
2632
2633         /* base size is substituted with min size if not specified */
2634         if (self->base_size.width || self->base_size.height) {
2635             basew = self->base_size.width;
2636             baseh = self->base_size.height;
2637         } else {
2638             basew = self->min_size.width;
2639             baseh = self->min_size.height;
2640         }
2641         /* min size is substituted with base size if not specified */
2642         if (self->min_size.width || self->min_size.height) {
2643             minw = self->min_size.width;
2644             minh = self->min_size.height;
2645         } else {
2646             minw = self->base_size.width;
2647             minh = self->base_size.height;
2648         }
2649
2650         /* if this is a user-requested resize, then check against min/max
2651            sizes */
2652
2653         /* smaller than min size or bigger than max size? */
2654         if (*w > self->max_size.width) *w = self->max_size.width;
2655         if (*w < minw) *w = minw;
2656         if (*h > self->max_size.height) *h = self->max_size.height;
2657         if (*h < minh) *h = minh;
2658
2659         *w -= basew;
2660         *h -= baseh;
2661
2662         /* keep to the increments */
2663         *w /= self->size_inc.width;
2664         *h /= self->size_inc.height;
2665
2666         /* you cannot resize to nothing */
2667         if (basew + *w < 1) *w = 1 - basew;
2668         if (baseh + *h < 1) *h = 1 - baseh;
2669
2670         /* save the logical size */
2671         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2672         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2673
2674         *w *= self->size_inc.width;
2675         *h *= self->size_inc.height;
2676
2677         *w += basew;
2678         *h += baseh;
2679
2680         /* adjust the height to match the width for the aspect ratios.
2681            for this, min size is not substituted for base size ever. */
2682         *w -= self->base_size.width;
2683         *h -= self->base_size.height;
2684
2685         if (!self->fullscreen) {
2686             if (self->min_ratio)
2687                 if (*h * self->min_ratio > *w) {
2688                     *h = (gint)(*w / self->min_ratio);
2689
2690                     /* you cannot resize to nothing */
2691                     if (*h < 1) {
2692                         *h = 1;
2693                         *w = (gint)(*h * self->min_ratio);
2694                     }
2695                 }
2696             if (self->max_ratio)
2697                 if (*h * self->max_ratio < *w) {
2698                     *h = (gint)(*w / self->max_ratio);
2699
2700                     /* you cannot resize to nothing */
2701                     if (*h < 1) {
2702                         *h = 1;
2703                         *w = (gint)(*h * self->min_ratio);
2704                     }
2705                 }
2706         }
2707
2708         *w += self->base_size.width;
2709         *h += self->base_size.height;
2710     }
2711
2712     /* gets the frame's position */
2713     frame_client_gravity(self->frame, x, y, *w, *h);
2714
2715     /* these positions are frame positions, not client positions */
2716
2717     /* set the size and position if fullscreen */
2718     if (self->fullscreen) {
2719         Rect *a;
2720         guint i;
2721
2722         i = screen_find_monitor(&desired_area);
2723         a = screen_physical_area_monitor(i);
2724
2725         *x = a->x;
2726         *y = a->y;
2727         *w = a->width;
2728         *h = a->height;
2729
2730         user = FALSE; /* ignore if the client can't be moved/resized when it
2731                          is fullscreening */
2732     } else if (self->max_horz || self->max_vert) {
2733         Rect *a;
2734         guint i;
2735
2736         i = screen_find_monitor(&desired_area);
2737         a = screen_area_monitor(self->desktop, i);
2738
2739         /* set the size and position if maximized */
2740         if (self->max_horz) {
2741             *x = a->x;
2742             *w = a->width - self->frame->size.left - self->frame->size.right;
2743         }
2744         if (self->max_vert) {
2745             *y = a->y;
2746             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2747         }
2748
2749         user = FALSE; /* ignore if the client can't be moved/resized when it
2750                          is maximizing */
2751     }
2752
2753     /* gets the client's position */
2754     frame_frame_gravity(self->frame, x, y, *w, *h);
2755
2756     /* these override the above states! if you cant move you can't move! */
2757     if (user) {
2758         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2759             *x = self->area.x;
2760             *y = self->area.y;
2761         }
2762         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2763             *w = self->area.width;
2764             *h = self->area.height;
2765         }
2766     }
2767
2768     g_assert(*w > 0);
2769     g_assert(*h > 0);
2770 }
2771
2772
2773 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2774                       gboolean user, gboolean final)
2775 {
2776     gint oldw, oldh;
2777     gboolean send_resize_client;
2778     gboolean moved = FALSE, resized = FALSE;
2779     gboolean fmoved, fresized;
2780     guint fdecor = self->frame->decorations;
2781     gboolean fhorz = self->frame->max_horz;
2782     gboolean fvert = self->frame->max_vert;
2783     gint logicalw, logicalh;
2784
2785     /* find the new x, y, width, and height (and logical size) */
2786     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2787
2788     /* set the logical size if things changed */
2789     if (!(w == self->area.width && h == self->area.height))
2790         SIZE_SET(self->logical_size, logicalw, logicalh);
2791
2792     /* figure out if we moved or resized or what */
2793     moved = x != self->area.x || y != self->area.y;
2794     resized = w != self->area.width || h != self->area.height;
2795
2796     oldw = self->area.width;
2797     oldh = self->area.height;
2798     RECT_SET(self->area, x, y, w, h);
2799
2800     /* for app-requested resizes, always resize if 'resized' is true.
2801        for user-requested ones, only resize if final is true, or when
2802        resizing in redraw mode */
2803     send_resize_client = ((!user && resized) ||
2804                           (user && (final ||
2805                                     (resized && config_resize_redraw))));
2806
2807     /* if the client is enlarging, then resize the client before the frame */
2808     if (send_resize_client && (w > oldw || h > oldh)) {
2809         XResizeWindow(ob_display, self->window,
2810                       MAX(w, oldw), MAX(h, oldh));
2811         /* resize the plate to show the client padding color underneath */
2812         frame_adjust_client_area(self->frame);
2813     }
2814
2815     /* find the frame's dimensions and move/resize it */
2816     fmoved = moved;
2817     fresized = resized;
2818
2819     /* if decorations changed, then readjust everything for the frame */
2820     if (self->decorations != fdecor ||
2821         self->max_horz != fhorz || self->max_vert != fvert)
2822     {
2823         fmoved = fresized = TRUE;
2824     }
2825
2826     /* adjust the frame */
2827     if (fmoved || fresized)
2828         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2829
2830     if ((!user || (user && final)) && !resized)
2831     {
2832         XEvent event;
2833
2834         POINT_SET(self->root_pos,
2835                   self->frame->area.x + self->frame->size.left -
2836                   self->border_width,
2837                   self->frame->area.y + self->frame->size.top -
2838                   self->border_width);
2839
2840         event.type = ConfigureNotify;
2841         event.xconfigure.display = ob_display;
2842         event.xconfigure.event = self->window;
2843         event.xconfigure.window = self->window;
2844
2845         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2846                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2847
2848         /* root window real coords */
2849         event.xconfigure.x = self->root_pos.x;
2850         event.xconfigure.y = self->root_pos.y;
2851         event.xconfigure.width = w;
2852         event.xconfigure.height = h;
2853         event.xconfigure.border_width = 0;
2854         event.xconfigure.above = self->frame->plate;
2855         event.xconfigure.override_redirect = FALSE;
2856         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2857                    FALSE, StructureNotifyMask, &event);
2858     }
2859
2860     /* if the client is shrinking, then resize the frame before the client */
2861     if (send_resize_client && (w <= oldw || h <= oldh)) {
2862         /* resize the plate to show the client padding color underneath */
2863         frame_adjust_client_area(self->frame);
2864
2865         if (send_resize_client)
2866             XResizeWindow(ob_display, self->window, w, h);
2867     }
2868
2869     XFlush(ob_display);
2870 }
2871
2872 void client_fullscreen(ObClient *self, gboolean fs)
2873 {
2874     gint x, y, w, h;
2875
2876     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2877         self->fullscreen == fs) return;                   /* already done */
2878
2879     self->fullscreen = fs;
2880     client_change_state(self); /* change the state hints on the client */
2881
2882     if (fs) {
2883         self->pre_fullscreen_area = self->area;
2884         /* if the window is maximized, its area isn't all that meaningful.
2885            save it's premax area instead. */
2886         if (self->max_horz) {
2887             self->pre_fullscreen_area.x = self->pre_max_area.x;
2888             self->pre_fullscreen_area.width = self->pre_max_area.width;
2889         }
2890         if (self->max_vert) {
2891             self->pre_fullscreen_area.y = self->pre_max_area.y;
2892             self->pre_fullscreen_area.height = self->pre_max_area.height;
2893         }
2894
2895         /* these will help configure_full figure out where to fullscreen
2896            the window */
2897         x = self->area.x;
2898         y = self->area.y;
2899         w = self->area.width;
2900         h = self->area.height;
2901     } else {
2902         g_assert(self->pre_fullscreen_area.width > 0 &&
2903                  self->pre_fullscreen_area.height > 0);
2904
2905         x = self->pre_fullscreen_area.x;
2906         y = self->pre_fullscreen_area.y;
2907         w = self->pre_fullscreen_area.width;
2908         h = self->pre_fullscreen_area.height;
2909         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2910     }
2911
2912     client_setup_decor_and_functions(self);
2913
2914     client_move_resize(self, x, y, w, h);
2915
2916     /* and adjust our layer/stacking. do this after resizing the window,
2917        and applying decorations, because windows which fill the screen are
2918        considered "fullscreen" and it affects their layer */
2919     client_calc_layer(self);
2920
2921     if (fs) {
2922         /* try focus us when we go into fullscreen mode */
2923         client_focus(self);
2924     }
2925 }
2926
2927 static void client_iconify_recursive(ObClient *self,
2928                                      gboolean iconic, gboolean curdesk,
2929                                      gboolean hide_animation)
2930 {
2931     GSList *it;
2932     gboolean changed = FALSE;
2933
2934
2935     if (self->iconic != iconic) {
2936         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2937                  self->window);
2938
2939         if (iconic) {
2940             /* don't let non-normal windows iconify along with their parents
2941                or whatever */
2942             if (client_normal(self)) {
2943                 self->iconic = iconic;
2944
2945                 /* update the focus lists.. iconic windows go to the bottom of
2946                    the list, put the new iconic window at the 'top of the
2947                    bottom'. */
2948                 focus_order_to_top(self);
2949
2950                 changed = TRUE;
2951             }
2952         } else {
2953             self->iconic = iconic;
2954
2955             if (curdesk && self->desktop != screen_desktop &&
2956                 self->desktop != DESKTOP_ALL)
2957                 client_set_desktop(self, screen_desktop, FALSE);
2958
2959             /* this puts it after the current focused window */
2960             focus_order_remove(self);
2961             focus_order_add_new(self);
2962
2963             changed = TRUE;
2964         }
2965     }
2966
2967     if (changed) {
2968         client_change_state(self);
2969         if (config_animate_iconify && !hide_animation)
2970             frame_begin_iconify_animation(self->frame, iconic);
2971         /* do this after starting the animation so it doesn't flash */
2972         client_showhide(self);
2973     }
2974
2975     /* iconify all direct transients, and deiconify all transients
2976        (non-direct too) */
2977     for (it = self->transients; it; it = g_slist_next(it))
2978         if (it->data != self)
2979             if (client_is_direct_child(self, it->data) || !iconic)
2980                 client_iconify_recursive(it->data, iconic, curdesk,
2981                                          hide_animation);
2982 }
2983
2984 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2985                     gboolean hide_animation)
2986 {
2987     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2988         /* move up the transient chain as far as possible first */
2989         self = client_search_top_normal_parent(self);
2990         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2991     }
2992 }
2993
2994 void client_maximize(ObClient *self, gboolean max, gint dir)
2995 {
2996     gint x, y, w, h;
2997
2998     g_assert(dir == 0 || dir == 1 || dir == 2);
2999     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3000
3001     /* check if already done */
3002     if (max) {
3003         if (dir == 0 && self->max_horz && self->max_vert) return;
3004         if (dir == 1 && self->max_horz) return;
3005         if (dir == 2 && self->max_vert) return;
3006     } else {
3007         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3008         if (dir == 1 && !self->max_horz) return;
3009         if (dir == 2 && !self->max_vert) return;
3010     }
3011
3012     /* these will help configure_full figure out which screen to fill with
3013        the window */
3014     x = self->area.x;
3015     y = self->area.y;
3016     w = self->area.width;
3017     h = self->area.height;
3018
3019     if (max) {
3020         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3021             RECT_SET(self->pre_max_area,
3022                      self->area.x, self->pre_max_area.y,
3023                      self->area.width, self->pre_max_area.height);
3024         }
3025         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3026             RECT_SET(self->pre_max_area,
3027                      self->pre_max_area.x, self->area.y,
3028                      self->pre_max_area.width, self->area.height);
3029         }
3030     } else {
3031         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3032             g_assert(self->pre_max_area.width > 0);
3033
3034             x = self->pre_max_area.x;
3035             w = self->pre_max_area.width;
3036
3037             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3038                      0, self->pre_max_area.height);
3039         }
3040         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3041             g_assert(self->pre_max_area.height > 0);
3042
3043             y = self->pre_max_area.y;
3044             h = self->pre_max_area.height;
3045
3046             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3047                      self->pre_max_area.width, 0);
3048         }
3049     }
3050
3051     if (dir == 0 || dir == 1) /* horz */
3052         self->max_horz = max;
3053     if (dir == 0 || dir == 2) /* vert */
3054         self->max_vert = max;
3055
3056     client_change_state(self); /* change the state hints on the client */
3057
3058     client_setup_decor_and_functions(self);
3059
3060     client_move_resize(self, x, y, w, h);
3061 }
3062
3063 void client_shade(ObClient *self, gboolean shade)
3064 {
3065     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3066          shade) ||                         /* can't shade */
3067         self->shaded == shade) return;     /* already done */
3068
3069     self->shaded = shade;
3070     client_change_state(self);
3071     client_change_wm_state(self); /* the window is being hidden/shown */
3072     /* resize the frame to just the titlebar */
3073     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3074 }
3075
3076 void client_close(ObClient *self)
3077 {
3078     XEvent ce;
3079
3080     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3081
3082     /* in the case that the client provides no means to requesting that it
3083        close, we just kill it */
3084     if (!self->delete_window)
3085         client_kill(self);
3086
3087     /*
3088       XXX: itd be cool to do timeouts and shit here for killing the client's
3089       process off
3090       like... if the window is around after 5 seconds, then the close button
3091       turns a nice red, and if this function is called again, the client is
3092       explicitly killed.
3093     */
3094
3095     ce.xclient.type = ClientMessage;
3096     ce.xclient.message_type =  prop_atoms.wm_protocols;
3097     ce.xclient.display = ob_display;
3098     ce.xclient.window = self->window;
3099     ce.xclient.format = 32;
3100     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3101     ce.xclient.data.l[1] = event_curtime;
3102     ce.xclient.data.l[2] = 0l;
3103     ce.xclient.data.l[3] = 0l;
3104     ce.xclient.data.l[4] = 0l;
3105     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3106 }
3107
3108 void client_kill(ObClient *self)
3109 {
3110     XKillClient(ob_display, self->window);
3111 }
3112
3113 void client_hilite(ObClient *self, gboolean hilite)
3114 {
3115     if (self->demands_attention == hilite)
3116         return; /* no change */
3117
3118     /* don't allow focused windows to hilite */
3119     self->demands_attention = hilite && !client_focused(self);
3120     if (self->frame != NULL) { /* if we're mapping, just set the state */
3121         if (self->demands_attention)
3122             frame_flash_start(self->frame);
3123         else
3124             frame_flash_stop(self->frame);
3125         client_change_state(self);
3126     }
3127 }
3128
3129 void client_set_desktop_recursive(ObClient *self,
3130                                   guint target,
3131                                   gboolean donthide)
3132 {
3133     guint old;
3134     GSList *it;
3135
3136     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3137
3138         ob_debug("Setting desktop %u\n", target+1);
3139
3140         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3141
3142         old = self->desktop;
3143         self->desktop = target;
3144         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3145         /* the frame can display the current desktop state */
3146         frame_adjust_state(self->frame);
3147         /* 'move' the window to the new desktop */
3148         if (!donthide)
3149             client_showhide(self);
3150         /* raise if it was not already on the desktop */
3151         if (old != DESKTOP_ALL)
3152             stacking_raise(CLIENT_AS_WINDOW(self));
3153         if (STRUT_EXISTS(self->strut))
3154             screen_update_areas();
3155     }
3156
3157     /* move all transients */
3158     for (it = self->transients; it; it = g_slist_next(it))
3159         if (it->data != self)
3160             if (client_is_direct_child(self, it->data))
3161                 client_set_desktop_recursive(it->data, target, donthide);
3162 }
3163
3164 void client_set_desktop(ObClient *self, guint target,
3165                         gboolean donthide)
3166 {
3167     self = client_search_top_normal_parent(self);
3168     client_set_desktop_recursive(self, target, donthide);
3169 }
3170
3171 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3172 {
3173     while (child != parent &&
3174            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3175         child = child->transient_for;
3176     return child == parent;
3177 }
3178
3179 ObClient *client_search_modal_child(ObClient *self)
3180 {
3181     GSList *it;
3182     ObClient *ret;
3183
3184     for (it = self->transients; it; it = g_slist_next(it)) {
3185         ObClient *c = it->data;
3186         if ((ret = client_search_modal_child(c))) return ret;
3187         if (c->modal) return c;
3188     }
3189     return NULL;
3190 }
3191
3192 gboolean client_validate(ObClient *self)
3193 {
3194     XEvent e;
3195
3196     XSync(ob_display, FALSE); /* get all events on the server */
3197
3198     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3199         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3200         XPutBackEvent(ob_display, &e);
3201         return FALSE;
3202     }
3203
3204     return TRUE;
3205 }
3206
3207 void client_set_wm_state(ObClient *self, glong state)
3208 {
3209     if (state == self->wmstate) return; /* no change */
3210
3211     switch (state) {
3212     case IconicState:
3213         client_iconify(self, TRUE, TRUE, FALSE);
3214         break;
3215     case NormalState:
3216         client_iconify(self, FALSE, TRUE, FALSE);
3217         break;
3218     }
3219 }
3220
3221 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3222 {
3223     gboolean shaded = self->shaded;
3224     gboolean fullscreen = self->fullscreen;
3225     gboolean undecorated = self->undecorated;
3226     gboolean max_horz = self->max_horz;
3227     gboolean max_vert = self->max_vert;
3228     gboolean modal = self->modal;
3229     gboolean iconic = self->iconic;
3230     gboolean demands_attention = self->demands_attention;
3231     gboolean above = self->above;
3232     gboolean below = self->below;
3233     gint i;
3234
3235     if (!(action == prop_atoms.net_wm_state_add ||
3236           action == prop_atoms.net_wm_state_remove ||
3237           action == prop_atoms.net_wm_state_toggle))
3238         /* an invalid action was passed to the client message, ignore it */
3239         return;
3240
3241     for (i = 0; i < 2; ++i) {
3242         Atom state = i == 0 ? data1 : data2;
3243
3244         if (!state) continue;
3245
3246         /* if toggling, then pick whether we're adding or removing */
3247         if (action == prop_atoms.net_wm_state_toggle) {
3248             if (state == prop_atoms.net_wm_state_modal)
3249                 action = modal ? prop_atoms.net_wm_state_remove :
3250                     prop_atoms.net_wm_state_add;
3251             else if (state == prop_atoms.net_wm_state_maximized_vert)
3252                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3253                     prop_atoms.net_wm_state_add;
3254             else if (state == prop_atoms.net_wm_state_maximized_horz)
3255                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3256                     prop_atoms.net_wm_state_add;
3257             else if (state == prop_atoms.net_wm_state_shaded)
3258                 action = shaded ? prop_atoms.net_wm_state_remove :
3259                     prop_atoms.net_wm_state_add;
3260             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3261                 action = self->skip_taskbar ?
3262                     prop_atoms.net_wm_state_remove :
3263                     prop_atoms.net_wm_state_add;
3264             else if (state == prop_atoms.net_wm_state_skip_pager)
3265                 action = self->skip_pager ?
3266                     prop_atoms.net_wm_state_remove :
3267                     prop_atoms.net_wm_state_add;
3268             else if (state == prop_atoms.net_wm_state_hidden)
3269                 action = self->iconic ?
3270                     prop_atoms.net_wm_state_remove :
3271                     prop_atoms.net_wm_state_add;
3272             else if (state == prop_atoms.net_wm_state_fullscreen)
3273                 action = fullscreen ?
3274                     prop_atoms.net_wm_state_remove :
3275                     prop_atoms.net_wm_state_add;
3276             else if (state == prop_atoms.net_wm_state_above)
3277                 action = self->above ? prop_atoms.net_wm_state_remove :
3278                     prop_atoms.net_wm_state_add;
3279             else if (state == prop_atoms.net_wm_state_below)
3280                 action = self->below ? prop_atoms.net_wm_state_remove :
3281                     prop_atoms.net_wm_state_add;
3282             else if (state == prop_atoms.net_wm_state_demands_attention)
3283                 action = self->demands_attention ?
3284                     prop_atoms.net_wm_state_remove :
3285                     prop_atoms.net_wm_state_add;
3286             else if (state == prop_atoms.ob_wm_state_undecorated)
3287                 action = undecorated ? prop_atoms.net_wm_state_remove :
3288                     prop_atoms.net_wm_state_add;
3289         }
3290
3291         if (action == prop_atoms.net_wm_state_add) {
3292             if (state == prop_atoms.net_wm_state_modal) {
3293                 modal = TRUE;
3294             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3295                 max_vert = TRUE;
3296             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3297                 max_horz = TRUE;
3298             } else if (state == prop_atoms.net_wm_state_shaded) {
3299                 shaded = TRUE;
3300             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3301                 self->skip_taskbar = TRUE;
3302             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3303                 self->skip_pager = TRUE;
3304             } else if (state == prop_atoms.net_wm_state_hidden) {
3305                 iconic = TRUE;
3306             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3307                 fullscreen = TRUE;
3308             } else if (state == prop_atoms.net_wm_state_above) {
3309                 above = TRUE;
3310                 below = FALSE;
3311             } else if (state == prop_atoms.net_wm_state_below) {
3312                 above = FALSE;
3313                 below = TRUE;
3314             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3315                 demands_attention = TRUE;
3316             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3317                 undecorated = TRUE;
3318             }
3319
3320         } else { /* action == prop_atoms.net_wm_state_remove */
3321             if (state == prop_atoms.net_wm_state_modal) {
3322                 modal = FALSE;
3323             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3324                 max_vert = FALSE;
3325             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3326                 max_horz = FALSE;
3327             } else if (state == prop_atoms.net_wm_state_shaded) {
3328                 shaded = FALSE;
3329             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3330                 self->skip_taskbar = FALSE;
3331             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3332                 self->skip_pager = FALSE;
3333             } else if (state == prop_atoms.net_wm_state_hidden) {
3334                 iconic = FALSE;
3335             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3336                 fullscreen = FALSE;
3337             } else if (state == prop_atoms.net_wm_state_above) {
3338                 above = FALSE;
3339             } else if (state == prop_atoms.net_wm_state_below) {
3340                 below = FALSE;
3341             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3342                 demands_attention = FALSE;
3343             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3344                 undecorated = FALSE;
3345             }
3346         }
3347     }
3348
3349     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3350         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3351             /* toggling both */
3352             if (max_horz == max_vert) { /* both going the same way */
3353                 client_maximize(self, max_horz, 0);
3354             } else {
3355                 client_maximize(self, max_horz, 1);
3356                 client_maximize(self, max_vert, 2);
3357             }
3358         } else {
3359             /* toggling one */
3360             if (max_horz != self->max_horz)
3361                 client_maximize(self, max_horz, 1);
3362             else
3363                 client_maximize(self, max_vert, 2);
3364         }
3365     }
3366     /* change fullscreen state before shading, as it will affect if the window
3367        can shade or not */
3368     if (fullscreen != self->fullscreen)
3369         client_fullscreen(self, fullscreen);
3370     if (shaded != self->shaded)
3371         client_shade(self, shaded);
3372     if (undecorated != self->undecorated)
3373         client_set_undecorated(self, undecorated);
3374     if (above != self->above || below != self->below) {
3375         self->above = above;
3376         self->below = below;
3377         client_calc_layer(self);
3378     }
3379
3380     if (modal != self->modal) {
3381         self->modal = modal;
3382         /* when a window changes modality, then its stacking order with its
3383            transients needs to change */
3384         stacking_raise(CLIENT_AS_WINDOW(self));
3385
3386         /* it also may get focused. if something is focused that shouldn't
3387            be focused anymore, then move the focus */
3388         if (focus_client && client_focus_target(focus_client) != focus_client)
3389             client_focus(focus_client);
3390     }
3391
3392     if (iconic != self->iconic)
3393         client_iconify(self, iconic, FALSE, FALSE);
3394
3395     if (demands_attention != self->demands_attention)
3396         client_hilite(self, demands_attention);
3397
3398     client_change_state(self); /* change the hint to reflect these changes */
3399 }
3400
3401 ObClient *client_focus_target(ObClient *self)
3402 {
3403     ObClient *child = NULL;
3404
3405     child = client_search_modal_child(self);
3406     if (child) return child;
3407     return self;
3408 }
3409
3410 gboolean client_can_focus(ObClient *self)
3411 {
3412     /* choose the correct target */
3413     self = client_focus_target(self);
3414
3415     if (!self->frame->visible)
3416         return FALSE;
3417
3418     if (!(self->can_focus || self->focus_notify))
3419         return FALSE;
3420
3421     return TRUE;
3422 }
3423
3424 gboolean client_focus(ObClient *self)
3425 {
3426     /* choose the correct target */
3427     self = client_focus_target(self);
3428
3429     if (!client_can_focus(self)) {
3430         if (!self->frame->visible) {
3431             /* update the focus lists */
3432             focus_order_to_top(self);
3433         }
3434         return FALSE;
3435     }
3436
3437     ob_debug_type(OB_DEBUG_FOCUS,
3438                   "Focusing client \"%s\" at time %u\n",
3439                   self->title, event_curtime);
3440
3441     /* if there is a grab going on, then we need to cancel it. if we move
3442        focus during the grab, applications will get NotifyWhileGrabbed events
3443        and ignore them !
3444
3445        actions should not rely on being able to move focus during an
3446        interactive grab.
3447     */
3448     if (keyboard_interactively_grabbed())
3449         keyboard_interactive_cancel();
3450
3451     xerror_set_ignore(TRUE);
3452     xerror_occured = FALSE;
3453
3454     if (self->can_focus) {
3455         /* This can cause a BadMatch error with CurrentTime, or if an app
3456            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3457         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3458                        event_curtime);
3459     }
3460
3461     if (self->focus_notify) {
3462         XEvent ce;
3463         ce.xclient.type = ClientMessage;
3464         ce.xclient.message_type = prop_atoms.wm_protocols;
3465         ce.xclient.display = ob_display;
3466         ce.xclient.window = self->window;
3467         ce.xclient.format = 32;
3468         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3469         ce.xclient.data.l[1] = event_curtime;
3470         ce.xclient.data.l[2] = 0l;
3471         ce.xclient.data.l[3] = 0l;
3472         ce.xclient.data.l[4] = 0l;
3473         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3474     }
3475
3476     xerror_set_ignore(FALSE);
3477
3478     return !xerror_occured;
3479 }
3480
3481 /*! Present the client to the user.
3482   @param raise If the client should be raised or not. You should only set
3483                raise to false if you don't care if the window is completely
3484                hidden.
3485 */
3486 static void client_present(ObClient *self, gboolean here, gboolean raise)
3487 {
3488     /* if using focus_delay, stop the timer now so that focus doesn't
3489        go moving on us */
3490     event_halt_focus_delay();
3491
3492     if (client_normal(self) && screen_showing_desktop)
3493         screen_show_desktop(FALSE, self);
3494     if (self->iconic)
3495         client_iconify(self, FALSE, here, FALSE);
3496     if (self->desktop != DESKTOP_ALL &&
3497         self->desktop != screen_desktop)
3498     {
3499         if (here)
3500             client_set_desktop(self, screen_desktop, FALSE);
3501         else
3502             screen_set_desktop(self->desktop, FALSE);
3503     } else if (!self->frame->visible)
3504         /* if its not visible for other reasons, then don't mess
3505            with it */
3506         return;
3507     if (self->shaded)
3508         client_shade(self, FALSE);
3509     if (raise)
3510         stacking_raise(CLIENT_AS_WINDOW(self));
3511
3512     client_focus(self);
3513 }
3514
3515 void client_activate(ObClient *self, gboolean here, gboolean user)
3516 {
3517     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3518     gboolean allow = FALSE;
3519
3520     /* if the request came from the user, or if nothing is focused, then grant
3521        the request.
3522        if the currently focused app doesn't set a user_time, then it can't
3523        benefit from any focus stealing prevention.
3524     */
3525     if (user || !focus_client || !last_time)
3526         allow = TRUE;
3527     /* otherwise, if they didn't give a time stamp or if it is too old, they
3528        don't get focus */
3529     else
3530         allow = event_curtime && event_time_after(event_curtime, last_time);
3531
3532     ob_debug_type(OB_DEBUG_FOCUS,
3533                   "Want to activate window 0x%x with time %u (last time %u), "
3534                   "source=%s allowing? %d\n",
3535                   self->window, event_curtime, last_time,
3536                   (user ? "user" : "application"), allow);
3537
3538     if (allow)
3539         client_present(self, here, TRUE);
3540     else
3541         /* don't focus it but tell the user it wants attention */
3542         client_hilite(self, TRUE);
3543 }
3544
3545 static void client_bring_helper_windows_recursive(ObClient *self,
3546                                                   guint desktop)
3547 {
3548     GSList *it;
3549
3550     for (it = self->transients; it; it = g_slist_next(it))
3551         client_bring_helper_windows_recursive(it->data, desktop);
3552
3553     if (client_helper(self) &&
3554         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3555     {
3556         client_set_desktop(self, desktop, FALSE);
3557     }
3558 }
3559
3560 void client_bring_helper_windows(ObClient *self)
3561 {
3562     client_bring_helper_windows_recursive(self, self->desktop);
3563 }
3564
3565 gboolean client_focused(ObClient *self)
3566 {
3567     return self == focus_client;
3568 }
3569
3570 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3571 {
3572     guint i;
3573     gulong min_diff, min_i;
3574
3575     if (!self->nicons) {
3576         ObClientIcon *parent = NULL;
3577
3578         if (self->transient_for) {
3579             if (self->transient_for != OB_TRAN_GROUP)
3580                 parent = client_icon_recursive(self->transient_for, w, h);
3581             else {
3582                 GSList *it;
3583                 for (it = self->group->members; it; it = g_slist_next(it)) {
3584                     ObClient *c = it->data;
3585                     if (c != self && !c->transient_for) {
3586                         if ((parent = client_icon_recursive(c, w, h)))
3587                             break;
3588                     }
3589                 }
3590             }
3591         }
3592
3593         return parent;
3594     }
3595
3596     /* some kind of crappy approximation to find the icon closest in size to
3597        what we requested, but icons are generally all the same ratio as
3598        eachother so it's good enough. */
3599
3600     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3601     min_i = 0;
3602
3603     for (i = 1; i < self->nicons; ++i) {
3604         gulong diff;
3605
3606         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3607         if (diff < min_diff) {
3608             min_diff = diff;
3609             min_i = i;
3610         }
3611     }
3612     return &self->icons[min_i];
3613 }
3614
3615 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3616 {
3617     ObClientIcon *ret;
3618     static ObClientIcon deficon;
3619
3620     if (!(ret = client_icon_recursive(self, w, h))) {
3621         deficon.width = deficon.height = 48;
3622         deficon.data = ob_rr_theme->def_win_icon;
3623         ret = &deficon;
3624     }
3625     return ret;
3626 }
3627
3628 void client_set_layer(ObClient *self, gint layer)
3629 {
3630     if (layer < 0) {
3631         self->below = TRUE;
3632         self->above = FALSE;
3633     } else if (layer == 0) {
3634         self->below = self->above = FALSE;
3635     } else {
3636         self->below = FALSE;
3637         self->above = TRUE;
3638     }
3639     client_calc_layer(self);
3640     client_change_state(self); /* reflect this in the state hints */
3641 }
3642
3643 void client_set_undecorated(ObClient *self, gboolean undecorated)
3644 {
3645     if (self->undecorated != undecorated &&
3646         /* don't let it undecorate if the function is missing, but let
3647            it redecorate */
3648         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3649     {
3650         self->undecorated = undecorated;
3651         client_setup_decor_and_functions(self);
3652         client_reconfigure(self); /* show the lack of decorations */
3653         client_change_state(self); /* reflect this in the state hints */
3654     }
3655 }
3656
3657 guint client_monitor(ObClient *self)
3658 {
3659     return screen_find_monitor(&self->frame->area);
3660 }
3661
3662 ObClient *client_search_top_normal_parent(ObClient *self)
3663 {
3664     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3665            client_normal(self->transient_for))
3666         self = self->transient_for;
3667     return self;
3668 }
3669
3670 static GSList *client_search_all_top_parents_internal(ObClient *self,
3671                                                       gboolean bylayer,
3672                                                       ObStackingLayer layer)
3673 {
3674     GSList *ret = NULL;
3675
3676     /* move up the direct transient chain as far as possible */
3677     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3678            (!bylayer || self->transient_for->layer == layer) &&
3679            client_normal(self->transient_for))
3680         self = self->transient_for;
3681
3682     if (!self->transient_for)
3683         ret = g_slist_prepend(ret, self);
3684     else {
3685             GSList *it;
3686
3687             g_assert(self->group);
3688
3689             for (it = self->group->members; it; it = g_slist_next(it)) {
3690                 ObClient *c = it->data;
3691
3692                 if (!c->transient_for && client_normal(c) &&
3693                     (!bylayer || c->layer == layer))
3694                 {
3695                     ret = g_slist_prepend(ret, c);
3696                 }
3697             }
3698
3699             if (ret == NULL) /* no group parents */
3700                 ret = g_slist_prepend(ret, self);
3701     }
3702
3703     return ret;
3704 }
3705
3706 GSList *client_search_all_top_parents(ObClient *self)
3707 {
3708     return client_search_all_top_parents_internal(self, FALSE, 0);
3709 }
3710
3711 GSList *client_search_all_top_parents_layer(ObClient *self)
3712 {
3713     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3714 }
3715
3716 ObClient *client_search_focus_parent(ObClient *self)
3717 {
3718     if (self->transient_for) {
3719         if (self->transient_for != OB_TRAN_GROUP) {
3720             if (client_focused(self->transient_for))
3721                 return self->transient_for;
3722         } else {
3723             GSList *it;
3724
3725             for (it = self->group->members; it; it = g_slist_next(it)) {
3726                 ObClient *c = it->data;
3727
3728                 /* checking transient_for prevents infinate loops! */
3729                 if (c != self && !c->transient_for)
3730                     if (client_focused(c))
3731                         return c;
3732             }
3733         }
3734     }
3735
3736     return NULL;
3737 }
3738
3739 ObClient *client_search_parent(ObClient *self, ObClient *search)
3740 {
3741     if (self->transient_for) {
3742         if (self->transient_for != OB_TRAN_GROUP) {
3743             if (self->transient_for == search)
3744                 return search;
3745         } else {
3746             GSList *it;
3747
3748             for (it = self->group->members; it; it = g_slist_next(it)) {
3749                 ObClient *c = it->data;
3750
3751                 /* checking transient_for prevents infinate loops! */
3752                 if (c != self && !c->transient_for)
3753                     if (c == search)
3754                         return search;
3755             }
3756         }
3757     }
3758
3759     return NULL;
3760 }
3761
3762 ObClient *client_search_transient(ObClient *self, ObClient *search)
3763 {
3764     GSList *sit;
3765
3766     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3767         if (sit->data == search)
3768             return search;
3769         if (client_search_transient(sit->data, search))
3770             return search;
3771     }
3772     return NULL;
3773 }
3774
3775 #define WANT_EDGE(cur, c) \
3776             if(cur == c)                                                      \
3777                 continue;                                                     \
3778             if(!client_normal(cur))                                           \
3779                 continue;                                                     \
3780             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3781                 continue;                                                     \
3782             if(cur->iconic)                                                   \
3783                 continue;
3784
3785 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3786             if ((his_edge_start >= my_edge_start && \
3787                  his_edge_start <= my_edge_end) ||  \
3788                 (my_edge_start >= his_edge_start && \
3789                  my_edge_start <= his_edge_end))    \
3790                 dest = his_offset;
3791
3792 /* finds the nearest edge in the given direction from the current client
3793  * note to self: the edge is the -frame- edge (the actual one), not the
3794  * client edge.
3795  */
3796 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3797 {
3798     gint dest, monitor_dest;
3799     gint my_edge_start, my_edge_end, my_offset;
3800     GList *it;
3801     Rect *a, *monitor;
3802
3803     if(!client_list)
3804         return -1;
3805
3806     a = screen_area(c->desktop);
3807     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3808
3809     switch(dir) {
3810     case OB_DIRECTION_NORTH:
3811         my_edge_start = c->frame->area.x;
3812         my_edge_end = c->frame->area.x + c->frame->area.width;
3813         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3814
3815         /* default: top of screen */
3816         dest = a->y + (hang ? c->frame->area.height : 0);
3817         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3818         /* if the monitor edge comes before the screen edge, */
3819         /* use that as the destination instead. (For xinerama) */
3820         if (monitor_dest != dest && my_offset > monitor_dest)
3821             dest = monitor_dest;
3822
3823         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3824             gint his_edge_start, his_edge_end, his_offset;
3825             ObClient *cur = it->data;
3826
3827             WANT_EDGE(cur, c)
3828
3829             his_edge_start = cur->frame->area.x;
3830             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3831             his_offset = cur->frame->area.y +
3832                          (hang ? 0 : cur->frame->area.height);
3833
3834             if(his_offset + 1 > my_offset)
3835                 continue;
3836
3837             if(his_offset < dest)
3838                 continue;
3839
3840             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3841         }
3842         break;
3843     case OB_DIRECTION_SOUTH:
3844         my_edge_start = c->frame->area.x;
3845         my_edge_end = c->frame->area.x + c->frame->area.width;
3846         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3847
3848         /* default: bottom of screen */
3849         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3850         monitor_dest = monitor->y + monitor->height -
3851                        (hang ? c->frame->area.height : 0);
3852         /* if the monitor edge comes before the screen edge, */
3853         /* use that as the destination instead. (For xinerama) */
3854         if (monitor_dest != dest && my_offset < monitor_dest)
3855             dest = monitor_dest;
3856
3857         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3858             gint his_edge_start, his_edge_end, his_offset;
3859             ObClient *cur = it->data;
3860
3861             WANT_EDGE(cur, c)
3862
3863             his_edge_start = cur->frame->area.x;
3864             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3865             his_offset = cur->frame->area.y +
3866                          (hang ? cur->frame->area.height : 0);
3867
3868
3869             if(his_offset - 1 < my_offset)
3870                 continue;
3871
3872             if(his_offset > dest)
3873                 continue;
3874
3875             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3876         }
3877         break;
3878     case OB_DIRECTION_WEST:
3879         my_edge_start = c->frame->area.y;
3880         my_edge_end = c->frame->area.y + c->frame->area.height;
3881         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3882
3883         /* default: leftmost egde of screen */
3884         dest = a->x + (hang ? c->frame->area.width : 0);
3885         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3886         /* if the monitor edge comes before the screen edge, */
3887         /* use that as the destination instead. (For xinerama) */
3888         if (monitor_dest != dest && my_offset > monitor_dest)
3889             dest = monitor_dest;
3890
3891         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3892             gint his_edge_start, his_edge_end, his_offset;
3893             ObClient *cur = it->data;
3894
3895             WANT_EDGE(cur, c)
3896
3897             his_edge_start = cur->frame->area.y;
3898             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3899             his_offset = cur->frame->area.x +
3900                          (hang ? 0 : cur->frame->area.width);
3901
3902             if(his_offset + 1 > my_offset)
3903                 continue;
3904
3905             if(his_offset < dest)
3906                 continue;
3907
3908             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3909         }
3910        break;
3911     case OB_DIRECTION_EAST:
3912         my_edge_start = c->frame->area.y;
3913         my_edge_end = c->frame->area.y + c->frame->area.height;
3914         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3915
3916         /* default: rightmost edge of screen */
3917         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3918         monitor_dest = monitor->x + monitor->width -
3919                        (hang ? c->frame->area.width : 0);
3920         /* if the monitor edge comes before the screen edge, */
3921         /* use that as the destination instead. (For xinerama) */
3922         if (monitor_dest != dest && my_offset < monitor_dest)
3923             dest = monitor_dest;
3924
3925         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3926             gint his_edge_start, his_edge_end, his_offset;
3927             ObClient *cur = it->data;
3928
3929             WANT_EDGE(cur, c)
3930
3931             his_edge_start = cur->frame->area.y;
3932             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3933             his_offset = cur->frame->area.x +
3934                          (hang ? cur->frame->area.width : 0);
3935
3936             if(his_offset - 1 < my_offset)
3937                 continue;
3938
3939             if(his_offset > dest)
3940                 continue;
3941
3942             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3943         }
3944         break;
3945     case OB_DIRECTION_NORTHEAST:
3946     case OB_DIRECTION_SOUTHEAST:
3947     case OB_DIRECTION_NORTHWEST:
3948     case OB_DIRECTION_SOUTHWEST:
3949         /* not implemented */
3950     default:
3951         g_assert_not_reached();
3952         dest = 0; /* suppress warning */
3953     }
3954     return dest;
3955 }
3956
3957 ObClient* client_under_pointer()
3958 {
3959     gint x, y;
3960     GList *it;
3961     ObClient *ret = NULL;
3962
3963     if (screen_pointer_pos(&x, &y)) {
3964         for (it = stacking_list; it; it = g_list_next(it)) {
3965             if (WINDOW_IS_CLIENT(it->data)) {
3966                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3967                 if (c->frame->visible &&
3968                     /* ignore all animating windows */
3969                     !frame_iconify_animating(c->frame) &&
3970                     RECT_CONTAINS(c->frame->area, x, y))
3971                 {
3972                     ret = c;
3973                     break;
3974                 }
3975             }
3976         }
3977     }
3978     return ret;
3979 }
3980
3981 gboolean client_has_group_siblings(ObClient *self)
3982 {
3983     return self->group && self->group->members->next;
3984 }