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 "stacking.h"
  36 #include "openbox.h"
  37 #include "group.h"
  38 #include "config.h"
  39 #include "menuframe.h"
  40 #include "keyboard.h"
  41 #include "mouse.h"
  42 #include "render/render.h"
  43
  44 #ifdef HAVE_UNISTD_H
  45 #  include <unistd.h>
  46 #endif
  47
  48 #include <glib.h>
  49 #include <X11/Xutil.h>
  50
  51 /*! The event mask to grab on client windows */
  52 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  53                           ColormapChangeMask)
  54
  55 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  56                                 ButtonMotionMask)
  57
  58 typedef struct
  59 {
  60     ObClientDestructor func;
  61     gpointer data;
  62 } Destructor;
  63
  64 GList            *client_list        = NULL;
  65
  66 static GSList *client_destructors    = NULL;
  67
  68 static void client_get_all(ObClient *self);
  69 static void client_toggle_border(ObClient *self, gboolean show);
  70 static void client_get_startup_id(ObClient *self);
  71 static void client_get_area(ObClient *self);
  72 static void client_get_desktop(ObClient *self);
  73 static void client_get_state(ObClient *self);
  74 static void client_get_layer(ObClient *self);
  75 static void client_get_shaped(ObClient *self);
  76 static void client_get_mwm_hints(ObClient *self);
  77 static void client_get_gravity(ObClient *self);
  78 static void client_get_client_machine(ObClient *self);
  79 static void client_get_colormap(ObClient *self);
  80 static void client_get_transientness(ObClient *self);
  81 static void client_change_allowed_actions(ObClient *self);
  82 static void client_change_state(ObClient *self);
  83 static void client_change_wm_state(ObClient *self);
  84 static void client_apply_startup_state(ObClient *self, gint x, gint y);
  85 static void client_restore_session_state(ObClient *self);
  86 static void client_restore_session_stacking(ObClient *self);
  87 static ObAppSettings *client_get_settings_state(ObClient *self);
  88 static void client_update_transient_tree(ObClient *self,
  89                                          ObGroup *oldgroup, ObGroup *newgroup,
  90                                          ObClient* oldparent,
  91                                          ObClient *newparent);
  92
  93 void client_startup(gboolean reconfig)
  94 {
  95     if (reconfig) return;
  96
  97     client_set_list();
  98 }
  99
 100 void client_shutdown(gboolean reconfig)
 101 {
 102 }
 103
 104 void client_add_destructor(ObClientDestructor func, gpointer data)
 105 {
 106     Destructor *d = g_new(Destructor, 1);
 107     d->func = func;
 108     d->data = data;
 109     client_destructors = g_slist_prepend(client_destructors, d);
 110 }
 111
 112 void client_remove_destructor(ObClientDestructor func)
 113 {
 114     GSList *it;
 115
 116     for (it = client_destructors; it; it = g_slist_next(it)) {
 117         Destructor *d = it->data;
 118         if (d->func == func) {
 119             g_free(d);
 120             client_destructors = g_slist_delete_link(client_destructors, it);
 121             break;
 122         }
 123     }
 124 }
 125
 126 void client_set_list()
 127 {
 128     Window *windows, *win_it;
 129     GList *it;
 130     guint size = g_list_length(client_list);
 131
 132     /* create an array of the window ids */
 133     if (size > 0) {
 134         windows = g_new(Window, size);
 135         win_it = windows;
 136         for (it = client_list; it; it = g_list_next(it), ++win_it)
 137             *win_it = ((ObClient*)it->data)->window;
 138     } else
 139         windows = NULL;
 140
 141     PROP_SETA32(RootWindow(ob_display, ob_screen),
 142                 net_client_list, window, (gulong*)windows, size);
 143
 144     if (windows)
 145         g_free(windows);
 146
 147     stacking_set_list();
 148 }
 149
 150 /*
 151   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 152   {
 153   GSList *it;
 154
 155   for (it = self->transients; it; it = g_slist_next(it)) {
 156   if (!func(it->data, data)) return;
 157   client_foreach_transient(it->data, func, data);
 158   }
 159   }
 160
 161   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 162   {
 163   if (self->transient_for) {
 164   if (self->transient_for != OB_TRAN_GROUP) {
 165   if (!func(self->transient_for, data)) return;
 166   client_foreach_ancestor(self->transient_for, func, data);
 167   } else {
 168   GSList *it;
 169
 170   for (it = self->group->members; it; it = g_slist_next(it))
 171   if (it->data != self &&
 172   !((ObClient*)it->data)->transient_for) {
 173   if (!func(it->data, data)) return;
 174   client_foreach_ancestor(it->data, func, data);
 175   }
 176   }
 177   }
 178   }
 179 */
 180
 181 void client_manage_all()
 182 {
 183     guint i, j, nchild;
 184     Window w, *children;
 185     XWMHints *wmhints;
 186     XWindowAttributes attrib;
 187
 188     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 189                &w, &w, &children, &nchild);
 190
 191     /* remove all icon windows from the list */
 192     for (i = 0; i < nchild; i++) {
 193         if (children[i] == None) continue;
 194         wmhints = XGetWMHints(ob_display, children[i]);
 195         if (wmhints) {
 196             if ((wmhints->flags & IconWindowHint) &&
 197                 (wmhints->icon_window != children[i]))
 198                 for (j = 0; j < nchild; j++)
 199                     if (children[j] == wmhints->icon_window) {
 200                         children[j] = None;
 201                         break;
 202                     }
 203             XFree(wmhints);
 204         }
 205     }
 206
 207     for (i = 0; i < nchild; ++i) {
 208         if (children[i] == None)
 209             continue;
 210         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 211             if (attrib.override_redirect) continue;
 212
 213             if (attrib.map_state != IsUnmapped)
 214                 client_manage(children[i]);
 215         }
 216     }
 217     XFree(children);
 218 }
 219
 220 void client_manage(Window window)
 221 {
 222     ObClient *self;
 223     XEvent e;
 224     XWindowAttributes attrib;
 225     XSetWindowAttributes attrib_set;
 226     XWMHints *wmhint;
 227     gboolean activate = FALSE;
 228     ObAppSettings *settings;
 229     gint newx, newy;
 230
 231     grab_server(TRUE);
 232
 233     /* check if it has already been unmapped by the time we started mapping.
 234        the grab does a sync so we don't have to here */
 235     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 236         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 237     {
 238         XPutBackEvent(ob_display, &e);
 239
 240         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 241         grab_server(FALSE);
 242         return; /* don't manage it */
 243     }
 244
 245     /* make sure it isn't an override-redirect window */
 246     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 247         attrib.override_redirect)
 248     {
 249         grab_server(FALSE);
 250         return; /* don't manage it */
 251     }
 252
 253     /* is the window a docking app */
 254     if ((wmhint = XGetWMHints(ob_display, window))) {
 255         if ((wmhint->flags & StateHint) &&
 256             wmhint->initial_state == WithdrawnState)
 257         {
 258             dock_add(window, wmhint);
 259             grab_server(FALSE);
 260             XFree(wmhint);
 261             return;
 262         }
 263         XFree(wmhint);
 264     }
 265
 266     ob_debug("Managing window: %lx\n", window);
 267
 268     /* choose the events we want to receive on the CLIENT window */
 269     attrib_set.event_mask = CLIENT_EVENTMASK;
 270     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 271     XChangeWindowAttributes(ob_display, window,
 272                             CWEventMask|CWDontPropagate, &attrib_set);
 273
 274
 275     /* create the ObClient struct, and populate it from the hints on the
 276        window */
 277     self = g_new0(ObClient, 1);
 278     self->obwin.type = Window_Client;
 279     self->window = window;
 280
 281     /* non-zero defaults */
 282     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 283     self->layer = -1;
 284     self->desktop = screen_num_desktops; /* always an invalid value */
 285     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 286
 287     client_get_all(self);
 288     /* per-app settings override stuff, and return the settings for other
 289        uses too */
 290     settings = client_get_settings_state(self);
 291     /* the session should get the last say */
 292     client_restore_session_state(self);
 293
 294     client_calc_layer(self);
 295
 296     {
 297         Time t = sn_app_started(self->startup_id, self->class);
 298         if (t) self->user_time = t;
 299     }
 300
 301     /* update the focus lists, do this before the call to change_state or
 302        it can end up in the list twice! */
 303     focus_order_add_new(self);
 304
 305     /* remove the client's border (and adjust re gravity) */
 306     client_toggle_border(self, FALSE);
 307
 308     /* specify that if we exit, the window should not be destroyed and should
 309        be reparented back to root automatically */
 310     XChangeSaveSet(ob_display, window, SetModeInsert);
 311
 312     /* create the decoration frame for the client window */
 313     self->frame = frame_new(self);
 314
 315     frame_grab_client(self->frame, self);
 316
 317     /* do this after we have a frame.. it uses the frame to help determine the
 318        WM_STATE to apply. */
 319     client_change_state(self);
 320
 321     grab_server(FALSE);
 322
 323     stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
 324     client_restore_session_stacking(self);
 325
 326     /* focus the new window? */
 327     if (ob_state() != OB_STATE_STARTING &&
 328         !self->iconic &&
 329         /* this means focus=true for window is same as config_focus_new=true */
 330         ((config_focus_new || (settings && settings->focus == 1)) ||
 331          client_search_focus_parent(self)) &&
 332         /* this checks for focus=false for the window */
 333         (!settings || settings->focus != 0) &&
 334         /* note the check against Type_Normal/Dialog, not client_normal(self),
 335            which would also include other types. in this case we want more
 336            strict rules for focus */
 337         (self->type == OB_CLIENT_TYPE_NORMAL ||
 338          self->type == OB_CLIENT_TYPE_DIALOG))
 339     {
 340         activate = TRUE;
 341     }
 342
 343     /* get the current position */
 344     newx = self->area.x;
 345     newy = self->area.y;
 346
 347     /* figure out placement for the window */
 348     if (ob_state() == OB_STATE_RUNNING) {
 349         gboolean transient;
 350
 351         transient = place_client(self, &newx, &newy, settings);
 352
 353         /* make sure the window is visible. */
 354         client_find_onscreen(self, &newx, &newy,
 355                              self->area.width,
 356                              self->area.height,
 357                              /* non-normal clients has less rules, and
 358                                 windows that are being restored from a
 359                                 session do also. we can assume you want
 360                                 it back where you saved it. Clients saying
 361                                 they placed themselves are subjected to
 362                                 harder rules, ones that are placed by
 363                                 place.c or by the user are allowed partially
 364                                 off-screen and on xinerama divides (ie,
 365                                 it is up to the placement routines to avoid
 366                                 the xinerama divides) */
 367                              transient ||
 368                              (((self->positioned & PPosition) &&
 369                                !(self->positioned & USPosition)) &&
 370                               client_normal(self) &&
 371                               !self->session));
 372     }
 373
 374     /* do this after the window is placed, so the premax/prefullscreen numbers
 375        won't be all wacko!!
 376        also, this moves the window to the position where it has been placed
 377     */
 378     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 379              self->window, newx, newy, self->area.width, self->area.height);
 380     client_apply_startup_state(self, newx, newy);
 381
 382     mouse_grab_for_client(self, TRUE);
 383
 384     if (activate) {
 385         guint32 last_time = focus_client ?
 386             focus_client->user_time : CurrentTime;
 387
 388         /* This is focus stealing prevention */
 389         ob_debug_type(OB_DEBUG_FOCUS,
 390                       "Want to focus new window 0x%x with time %u "
 391                       "(last time %u)\n",
 392                       self->window, self->user_time, last_time);
 393
 394         /* if it's on another desktop */
 395         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 396             && /* the timestamp is from before you changed desktops */
 397             self->user_time && screen_desktop_user_time &&
 398             !event_time_after(self->user_time, screen_desktop_user_time))
 399         {
 400             activate = FALSE;
 401             ob_debug_type(OB_DEBUG_FOCUS,
 402                           "Not focusing the window because its on another "
 403                           "desktop\n");
 404         }
 405         /* If something is focused, and it's not our parent... */
 406         else if (focus_client && client_search_focus_parent(self) == NULL)
 407         {
 408             /* If time stamp is old, don't steal focus */
 409             if (self->user_time && last_time &&
 410                 !event_time_after(self->user_time, last_time))
 411             {
 412                 activate = FALSE;
 413                 ob_debug_type(OB_DEBUG_FOCUS,
 414                               "Not focusing the window because the time is "
 415                               "too old\n");
 416             }
 417             /* Don't steal focus from globally active clients.
 418                I stole this idea from KWin. It seems nice.
 419              */
 420             if (!(focus_client->can_focus || focus_client->focus_notify)) {
 421                 activate = FALSE;
 422                 ob_debug_type(OB_DEBUG_FOCUS,
 423                               "Not focusing the window because a globally "
 424                               "active client has focus\n");
 425             }
 426         }
 427
 428         if (!activate) {
 429             ob_debug_type(OB_DEBUG_FOCUS,
 430                           "Focus stealing prevention activated for %s with "
 431                           "time %u (last time %u)\n",
 432                           self->title, self->user_time, last_time);
 433             /* if the client isn't focused, then hilite it so the user
 434                knows it is there */
 435             client_hilite(self, TRUE);
 436         }
 437     }
 438     else {
 439         /* This may look rather odd. Well it's because new windows are added
 440            to the stacking order non-intrusively. If we're not going to focus
 441            the new window or hilite it, then we raise it to the top. This will
 442            take affect for things that don't get focused like splash screens.
 443            Also if you don't have focus_new enabled, then it's going to get
 444            raised to the top. Legacy begets legacy I guess?
 445         */
 446         client_raise(self);
 447     }
 448
 449     /* this has to happen before we try focus the window, but we want it to
 450        happen after the client's stacking has been determined or it looks bad
 451     */
 452     client_show(self);
 453
 454     /* use client_focus instead of client_activate cuz client_activate does
 455        stuff like switch desktops etc and I'm not interested in all that when
 456        a window maps since its not based on an action from the user like
 457        clicking a window to activate it. so keep the new window out of the way
 458        but do focus it. */
 459     if (activate)
 460         client_activate(self, FALSE, TRUE);
 461
 462     /* add to client list/map */
 463     client_list = g_list_append(client_list, self);
 464     g_hash_table_insert(window_map, &self->window, self);
 465
 466     /* this has to happen after we're in the client_list */
 467     if (STRUT_EXISTS(self->strut))
 468         screen_update_areas();
 469
 470     /* update the list hints */
 471     client_set_list();
 472
 473     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
 474 }
 475
 476 void client_unmanage_all()
 477 {
 478     while (client_list != NULL)
 479         client_unmanage(client_list->data);
 480 }
 481
 482 void client_unmanage(ObClient *self)
 483 {
 484     guint j;
 485     GSList *it;
 486
 487     ob_debug("Unmanaging window: %lx (%s) (%s)\n", self->window, self->class,
 488              self->title ? self->title : "");
 489
 490     g_assert(self != NULL);
 491
 492     /* we dont want events no more. do this before hiding the frame so we
 493        don't generate more events */
 494     XSelectInput(ob_display, self->window, NoEventMask);
 495
 496     frame_hide(self->frame);
 497     /* flush to send the hide to the server quickly */
 498     XFlush(ob_display);
 499
 500     /* ignore enter events from the unmap so it doesnt mess with the focus */
 501     event_ignore_queued_enters();
 502
 503     mouse_grab_for_client(self, FALSE);
 504
 505     /* remove the window from our save set */
 506     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 507
 508     /* update the focus lists */
 509     focus_order_remove(self);
 510     if (client_focused(self)) {
 511         /* don't leave an invalid focus_client */
 512         focus_client = NULL;
 513     }
 514
 515     client_list = g_list_remove(client_list, self);
 516     stacking_remove(self);
 517     g_hash_table_remove(window_map, &self->window);
 518
 519     /* once the client is out of the list, update the struts to remove its
 520        influence */
 521     if (STRUT_EXISTS(self->strut))
 522         screen_update_areas();
 523
 524     for (it = client_destructors; it; it = g_slist_next(it)) {
 525         Destructor *d = it->data;
 526         d->func(self, d->data);
 527     }
 528
 529     /* tell our parent(s) that we're gone */
 530     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 531         for (it = self->group->members; it; it = g_slist_next(it))
 532             if (it->data != self)
 533                 ((ObClient*)it->data)->transients =
 534                     g_slist_remove(((ObClient*)it->data)->transients, self);
 535     } else if (self->transient_for) {        /* transient of window */
 536         self->transient_for->transients =
 537             g_slist_remove(self->transient_for->transients, self);
 538     }
 539
 540     /* tell our transients that we're gone */
 541     for (it = self->transients; it; it = g_slist_next(it)) {
 542         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 543             ((ObClient*)it->data)->transient_for = NULL;
 544             client_calc_layer(it->data);
 545         }
 546     }
 547
 548     /* remove from its group */
 549     if (self->group) {
 550         group_remove(self->group, self);
 551         self->group = NULL;
 552     }
 553
 554     /* restore the window's original geometry so it is not lost */
 555     {
 556         Rect a = self->area;
 557
 558         if (self->fullscreen)
 559             a = self->pre_fullscreen_area;
 560         else if (self->max_horz || self->max_vert) {
 561             if (self->max_horz) {
 562                 a.x = self->pre_max_area.x;
 563                 a.width = self->pre_max_area.width;
 564             }
 565             if (self->max_vert) {
 566                 a.y = self->pre_max_area.y;
 567                 a.height = self->pre_max_area.height;
 568             }
 569         }
 570
 571         /* give the client its border back */
 572         client_toggle_border(self, TRUE);
 573
 574         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 575         self->decorations = 0; /* unmanaged windows have no decor */
 576
 577         client_move_resize(self, a.x, a.y, a.width, a.height);
 578     }
 579
 580     /* reparent the window out of the frame, and free the frame */
 581     frame_release_client(self->frame, self);
 582     self->frame = NULL;
 583
 584     if (ob_state() != OB_STATE_EXITING) {
 585         /* these values should not be persisted across a window
 586            unmapping/mapping */
 587         PROP_ERASE(self->window, net_wm_desktop);
 588         PROP_ERASE(self->window, net_wm_state);
 589         PROP_ERASE(self->window, wm_state);
 590     } else {
 591         /* if we're left in an unmapped state, the client wont be mapped. this
 592            is bad, since we will no longer be managing the window on restart */
 593         XMapWindow(ob_display, self->window);
 594     }
 595
 596     ob_debug("Unmanaged window 0x%lx\n", self->window);
 597
 598     /* free all data allocated in the client struct */
 599     g_slist_free(self->transients);
 600     for (j = 0; j < self->nicons; ++j)
 601         g_free(self->icons[j].data);
 602     if (self->nicons > 0)
 603         g_free(self->icons);
 604     g_free(self->title);
 605     g_free(self->icon_title);
 606     g_free(self->name);
 607     g_free(self->class);
 608     g_free(self->role);
 609     g_free(self->client_machine);
 610     g_free(self->sm_client_id);
 611     g_free(self);
 612
 613     /* update the list hints */
 614     client_set_list();
 615 }
 616
 617 static ObAppSettings *client_get_settings_state(ObClient *self)
 618 {
 619     ObAppSettings *settings = NULL;
 620     GSList *it;
 621
 622     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 623         ObAppSettings *app = it->data;
 624
 625         if ((app->name && !app->class && !strcmp(app->name, self->name))
 626             || (app->class && !app->name && !strcmp(app->class, self->class))
 627             || (app->class && app->name && !strcmp(app->class, self->class)
 628                 && !strcmp(app->name, self->name)))
 629         {
 630             ob_debug("Window matching: %s\n", app->name);
 631             /* Match if no role was specified in the per app setting, or if the
 632              * string matches the beginning of the role, since apps like to set
 633              * the role to things like browser-window-23c4b2f */
 634             if (!app->role
 635                 || !strncmp(app->role, self->role, strlen(app->role)))
 636             {
 637                 /* use this one */
 638                 settings = app;
 639                 break;
 640             }
 641         }
 642     }
 643
 644     if (settings) {
 645         if (settings->shade != -1)
 646             self->shaded = !!settings->shade;
 647         if (settings->decor != -1)
 648             self->undecorated = !settings->decor;
 649         if (settings->iconic != -1)
 650             self->iconic = !!settings->iconic;
 651         if (settings->skip_pager != -1)
 652             self->skip_pager = !!settings->skip_pager;
 653         if (settings->skip_taskbar != -1)
 654             self->skip_taskbar = !!settings->skip_taskbar;
 655
 656         if (settings->max_vert != -1)
 657             self->max_vert = !!settings->max_vert;
 658         if (settings->max_horz != -1)
 659             self->max_horz = !!settings->max_horz;
 660
 661         if (settings->fullscreen != -1)
 662             self->fullscreen = !!settings->fullscreen;
 663
 664         if (settings->desktop < screen_num_desktops
 665             || settings->desktop == DESKTOP_ALL)
 666             self->desktop = settings->desktop;
 667
 668         if (settings->layer == -1) {
 669             self->below = TRUE;
 670             self->above = FALSE;
 671         }
 672         else if (settings->layer == 0) {
 673             self->below = FALSE;
 674             self->above = FALSE;
 675         }
 676         else if (settings->layer == 1) {
 677             self->below = FALSE;
 678             self->above = TRUE;
 679         }
 680     }
 681     return settings;
 682 }
 683
 684 static void client_restore_session_state(ObClient *self)
 685 {
 686     GList *it;
 687
 688     if (!(it = session_state_find(self)))
 689         return;
 690
 691     self->session = it->data;
 692
 693     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 694     self->positioned = PPosition;
 695     if (self->session->w > 0)
 696         self->area.width = self->session->w;
 697     if (self->session->h > 0)
 698         self->area.height = self->session->h;
 699     XResizeWindow(ob_display, self->window,
 700                   self->area.width, self->area.height);
 701
 702     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 703                      self->session->desktop :
 704                      MIN(screen_num_desktops - 1, self->session->desktop));
 705     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 706
 707     self->shaded = self->session->shaded;
 708     self->iconic = self->session->iconic;
 709     self->skip_pager = self->session->skip_pager;
 710     self->skip_taskbar = self->session->skip_taskbar;
 711     self->fullscreen = self->session->fullscreen;
 712     self->above = self->session->above;
 713     self->below = self->session->below;
 714     self->max_horz = self->session->max_horz;
 715     self->max_vert = self->session->max_vert;
 716 }
 717
 718 static void client_restore_session_stacking(ObClient *self)
 719 {
 720     GList *it;
 721
 722     if (!self->session) return;
 723
 724     it = g_list_find(session_saved_state, self->session);
 725     for (it = g_list_previous(it); it; it = g_list_previous(it)) {
 726         GList *cit;
 727
 728         for (cit = client_list; cit; cit = g_list_next(cit))
 729             if (session_state_cmp(it->data, cit->data))
 730                 break;
 731         if (cit) {
 732             client_calc_layer(self);
 733             stacking_below(CLIENT_AS_WINDOW(self),
 734                            CLIENT_AS_WINDOW(cit->data));
 735             break;
 736         }
 737     }
 738 }
 739
 740 void client_move_onscreen(ObClient *self, gboolean rude)
 741 {
 742     gint x = self->area.x;
 743     gint y = self->area.y;
 744     if (client_find_onscreen(self, &x, &y,
 745                              self->area.width,
 746                              self->area.height, rude)) {
 747         client_move(self, x, y);
 748     }
 749 }
 750
 751 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 752                               gboolean rude)
 753 {
 754     Rect *mon_a, *all_a;
 755     gint ox = *x, oy = *y;
 756     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 757     gint fw, fh;
 758
 759     all_a = screen_area(self->desktop);
 760     mon_a = screen_area_monitor(self->desktop, client_monitor(self));
 761
 762     /* get where the frame would be */
 763     frame_client_gravity(self->frame, x, y, w, h);
 764
 765     /* get the requested size of the window with decorations */
 766     fw = self->frame->size.left + w + self->frame->size.right;
 767     fh = self->frame->size.top + h + self->frame->size.bottom;
 768
 769     /* This makes sure windows aren't entirely outside of the screen so you
 770        can't see them at all.
 771        It makes sure 10% of the window is on the screen at least. At don't let
 772        it move itself off the top of the screen, which would hide the titlebar
 773        on you. (The user can still do this if they want too, it's only limiting
 774        the application.
 775
 776        XXX watch for xinerama dead areas...
 777     */
 778     if (client_normal(self)) {
 779         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 780             *x = all_a->x + all_a->width - fw/10;
 781         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 782             *y = all_a->y + all_a->height - fh/10;
 783         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 784             *x = all_a->x - fw*9/10;
 785         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 786             *y = all_a->y - fw*9/10;
 787     }
 788
 789     /* If rudeness wasn't requested, then figure out of the client is currently
 790        entirely on the screen. If it is, and the position isn't changing by
 791        request, and it is enlarging, then be rude even though it wasn't
 792        requested */
 793     if (!rude) {
 794         Point oldtl, oldtr, oldbl, oldbr;
 795         Point newtl, newtr, newbl, newbr;
 796         gboolean stationary;
 797
 798         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 799         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 800                   self->frame->area.y + self->frame->area.height - 1);
 801         POINT_SET(oldtr, oldbr.x, oldtl.y);
 802         POINT_SET(oldbl, oldtl.x, oldbr.y);
 803
 804         POINT_SET(newtl, *x, *y);
 805         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 806         POINT_SET(newtr, newbr.x, newtl.y);
 807         POINT_SET(newbl, newtl.x, newbr.y);
 808
 809         /* is it moving or just resizing from some corner? */
 810         stationary = (POINT_EQUAL(oldtl, newtl) || POINT_EQUAL(oldtr, newtr) ||
 811                       POINT_EQUAL(oldbl, newbl) || POINT_EQUAL(oldbr, newbr));
 812
 813         /* if left edge is growing */
 814         if (stationary && newtl.x < oldtl.x)
 815             rudel = TRUE;
 816         /* if right edge is growing */
 817         if (stationary && newtr.x > oldtr.x)
 818             ruder = TRUE;
 819         /* if top edge is growing */
 820         if (stationary && newtl.y < oldtl.y)
 821             rudet = TRUE;
 822         /* if bottom edge is growing */
 823         if (stationary && newbl.y > oldbl.y)
 824             rudeb = TRUE;
 825     }
 826
 827     /* This here doesn't let windows even a pixel outside the struts/screen.
 828      * When called from client_manage, programs placing themselves are
 829      * forced completely onscreen, while things like
 830      * xterm -geometry resolution-width/2 will work fine. Trying to
 831      * place it completely offscreen will be handled in the above code.
 832      * Sorry for this confused comment, i am tired. */
 833     if (fw <= mon_a->width) {
 834         if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 835         if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 836             *x = mon_a->x + mon_a->width - fw;
 837     }
 838     if (fh <= mon_a->height) {
 839         if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 840         if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 841             *y = mon_a->y + mon_a->height - fh;
 842     }
 843
 844     /* get where the client should be */
 845     frame_frame_gravity(self->frame, x, y, w, h);
 846
 847     return ox != *x || oy != *y;
 848 }
 849
 850 static void client_toggle_border(ObClient *self, gboolean show)
 851 {
 852     /* adjust our idea of where the client is, based on its border. When the
 853        border is removed, the client should now be considered to be in a
 854        different position.
 855        when re-adding the border to the client, the same operation needs to be
 856        reversed. */
 857     gint oldx = self->area.x, oldy = self->area.y;
 858     gint x = oldx, y = oldy;
 859     switch(self->gravity) {
 860     default:
 861     case NorthWestGravity:
 862     case WestGravity:
 863     case SouthWestGravity:
 864         break;
 865     case NorthEastGravity:
 866     case EastGravity:
 867     case SouthEastGravity:
 868         if (show) x -= self->border_width * 2;
 869         else      x += self->border_width * 2;
 870         break;
 871     case NorthGravity:
 872     case SouthGravity:
 873     case CenterGravity:
 874     case ForgetGravity:
 875     case StaticGravity:
 876         if (show) x -= self->border_width;
 877         else      x += self->border_width;
 878         break;
 879     }
 880     switch(self->gravity) {
 881     default:
 882     case NorthWestGravity:
 883     case NorthGravity:
 884     case NorthEastGravity:
 885         break;
 886     case SouthWestGravity:
 887     case SouthGravity:
 888     case SouthEastGravity:
 889         if (show) y -= self->border_width * 2;
 890         else      y += self->border_width * 2;
 891         break;
 892     case WestGravity:
 893     case EastGravity:
 894     case CenterGravity:
 895     case ForgetGravity:
 896     case StaticGravity:
 897         if (show) y -= self->border_width;
 898         else      y += self->border_width;
 899         break;
 900     }
 901     self->area.x = x;
 902     self->area.y = y;
 903
 904     if (show) {
 905         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 906
 907         /* set border_width to 0 because there is no border to add into
 908            calculations anymore */
 909         self->border_width = 0;
 910     } else
 911         XSetWindowBorderWidth(ob_display, self->window, 0);
 912 }
 913
 914
 915 static void client_get_all(ObClient *self)
 916 {
 917     client_get_area(self);
 918     client_get_mwm_hints(self);
 919
 920     /* The transient-ness of a window is used to pick a type, but the type can
 921        also affect transiency.
 922
 923        Dialogs are always made transients for their group if they have one.
 924
 925        I also have made non-application type windows be transients for their
 926        group (eg utility windows).
 927     */
 928     client_get_transientness(self);
 929     client_get_type(self);/* this can change the mwmhints for special cases */
 930     client_get_state(self);
 931
 932     client_update_wmhints(self);
 933     /* this may have already been called from client_update_wmhints */
 934     if (self->transient && self->transient_for == NULL)
 935         client_update_transient_for(self);
 936     client_get_startup_id(self);
 937     client_get_desktop(self);/* uses transient data/group/startup id if a
 938                                 desktop is not specified */
 939     client_get_shaped(self);
 940
 941     client_get_layer(self); /* if layer hasn't been specified, get it from
 942                                other sources if possible */
 943
 944     {
 945         /* a couple type-based defaults for new windows */
 946
 947         /* this makes sure that these windows appear on all desktops */
 948         if (self->type == OB_CLIENT_TYPE_DESKTOP)
 949             self->desktop = DESKTOP_ALL;
 950     }
 951
 952     client_update_protocols(self);
 953
 954     client_get_gravity(self); /* get the attribute gravity */
 955     client_update_normal_hints(self); /* this may override the attribute
 956                                          gravity */
 957
 958     /* got the type, the mwmhints, the protocols, and the normal hints
 959        (min/max sizes), so we're ready to set up the decorations/functions */
 960     client_setup_decor_and_functions(self);
 961
 962 #ifdef SYNC
 963     client_update_sync_request_counter(self);
 964 #endif
 965     client_get_client_machine(self);
 966     client_get_colormap(self);
 967     client_update_title(self);
 968     client_update_class(self);
 969     client_update_sm_client_id(self);
 970     client_update_strut(self);
 971     client_update_icons(self);
 972     client_update_user_time(self);
 973 }
 974
 975 static void client_get_startup_id(ObClient *self)
 976 {
 977     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
 978         if (self->group)
 979             PROP_GETS(self->group->leader,
 980                       net_startup_id, utf8, &self->startup_id);
 981 }
 982
 983 static void client_get_area(ObClient *self)
 984 {
 985     XWindowAttributes wattrib;
 986     Status ret;
 987
 988     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 989     g_assert(ret != BadWindow);
 990
 991     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 992     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
 993     self->border_width = wattrib.border_width;
 994
 995     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
 996              wattrib.width, wattrib.height);
 997 }
 998
 999 static void client_get_desktop(ObClient *self)
1000 {
1001     guint32 d = screen_num_desktops; /* an always-invalid value */
1002
1003     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1004         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1005             self->desktop = screen_num_desktops - 1;
1006         else
1007             self->desktop = d;
1008     } else {
1009         gboolean trdesk = FALSE;
1010
1011         if (self->transient_for) {
1012             if (self->transient_for != OB_TRAN_GROUP) {
1013                 self->desktop = self->transient_for->desktop;
1014                 trdesk = TRUE;
1015             } else {
1016                 GSList *it;
1017
1018                 for (it = self->group->members; it; it = g_slist_next(it))
1019                     if (it->data != self &&
1020                         !((ObClient*)it->data)->transient_for) {
1021                         self->desktop = ((ObClient*)it->data)->desktop;
1022                         trdesk = TRUE;
1023                         break;
1024                     }
1025             }
1026         }
1027         if (!trdesk) {
1028             /* try get from the startup-notification protocol */
1029             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1030                 if (self->desktop >= screen_num_desktops &&
1031                     self->desktop != DESKTOP_ALL)
1032                     self->desktop = screen_num_desktops - 1;
1033             } else
1034                 /* defaults to the current desktop */
1035                 self->desktop = screen_desktop;
1036         }
1037     }
1038 }
1039
1040 static void client_get_layer(ObClient *self)
1041 {
1042     if (!(self->above || self->below)) {
1043         if (self->group) {
1044             /* apply stuff from the group */
1045             GSList *it;
1046             gint layer = -2;
1047
1048             for (it = self->group->members; it; it = g_slist_next(it)) {
1049                 ObClient *c = it->data;
1050                 if (c != self && !client_search_transient(self, c) &&
1051                     client_normal(self) && client_normal(c))
1052                 {
1053                     layer = MAX(layer,
1054                                 (c->above ? 1 : (c->below ? -1 : 0)));
1055                 }
1056             }
1057             switch (layer) {
1058             case -1:
1059                 self->below = TRUE;
1060                 break;
1061             case -2:
1062             case 0:
1063                 break;
1064             case 1:
1065                 self->above = TRUE;
1066                 break;
1067             default:
1068                 g_assert_not_reached();
1069                 break;
1070             }
1071         }
1072     }
1073 }
1074
1075 static void client_get_state(ObClient *self)
1076 {
1077     guint32 *state;
1078     guint num;
1079
1080     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1081         gulong i;
1082         for (i = 0; i < num; ++i) {
1083             if (state[i] == prop_atoms.net_wm_state_modal)
1084                 self->modal = TRUE;
1085             else if (state[i] == prop_atoms.net_wm_state_shaded)
1086                 self->shaded = TRUE;
1087             else if (state[i] == prop_atoms.net_wm_state_hidden)
1088                 self->iconic = TRUE;
1089             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1090                 self->skip_taskbar = TRUE;
1091             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1092                 self->skip_pager = TRUE;
1093             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1094                 self->fullscreen = TRUE;
1095             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1096                 self->max_vert = TRUE;
1097             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1098                 self->max_horz = TRUE;
1099             else if (state[i] == prop_atoms.net_wm_state_above)
1100                 self->above = TRUE;
1101             else if (state[i] == prop_atoms.net_wm_state_below)
1102                 self->below = TRUE;
1103             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1104                 self->demands_attention = TRUE;
1105             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1106                 self->undecorated = TRUE;
1107         }
1108
1109         g_free(state);
1110     }
1111 }
1112
1113 static void client_get_shaped(ObClient *self)
1114 {
1115     self->shaped = FALSE;
1116 #ifdef   SHAPE
1117     if (extensions_shape) {
1118         gint foo;
1119         guint ufoo;
1120         gint s;
1121
1122         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1123
1124         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1125                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1126                            &ufoo);
1127         self->shaped = (s != 0);
1128     }
1129 #endif
1130 }
1131
1132 void client_get_transientness(ObClient *self)
1133 {
1134     Window t;
1135     if (XGetTransientForHint(ob_display, self->window, &t))
1136         self->transient = TRUE;
1137 }
1138
1139 void client_update_transient_for(ObClient *self)
1140 {
1141     Window t = None;
1142     ObClient *target = NULL;
1143
1144     if (XGetTransientForHint(ob_display, self->window, &t)) {
1145         self->transient = TRUE;
1146         if (t != self->window) { /* cant be transient to itself! */
1147             target = g_hash_table_lookup(window_map, &t);
1148             /* if this happens then we need to check for it*/
1149             g_assert(target != self);
1150             if (target && !WINDOW_IS_CLIENT(target)) {
1151                 /* this can happen when a dialog is a child of
1152                    a dockapp, for example */
1153                 target = NULL;
1154             }
1155
1156             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1157
1158                Setting the transient_for to Root is actually illegal, however
1159                applications from time have done this to specify transient for
1160                their group.
1161
1162                Now you can do that by being a TYPE_DIALOG and not setting
1163                the transient_for hint at all on your window. But people still
1164                use Root, and Kwin is very strange in this regard.
1165
1166                KWin 3.0 will not consider windows with transient_for set to
1167                Root as transient for their group *UNLESS* they are also modal.
1168                In that case, it will make them transient for the group. This
1169                leads to all sorts of weird behavior from KDE apps which are
1170                only tested in KWin. I'd like to follow their behavior just to
1171                make this work right with KDE stuff, but that seems wrong.
1172             */
1173             if (!target && self->group) {
1174                 /* not transient to a client, see if it is transient for a
1175                    group */
1176                 if (t == RootWindow(ob_display, ob_screen)) {
1177                     /* window is a transient for its group! */
1178                     target = OB_TRAN_GROUP;
1179                 }
1180             }
1181         }
1182     } else if (self->group) {
1183         if (self->type == OB_CLIENT_TYPE_DIALOG ||
1184             self->type == OB_CLIENT_TYPE_TOOLBAR ||
1185             self->type == OB_CLIENT_TYPE_MENU ||
1186             self->type == OB_CLIENT_TYPE_UTILITY)
1187         {
1188             self->transient = TRUE;
1189             target = OB_TRAN_GROUP;
1190         }
1191     } else
1192         self->transient = FALSE;
1193
1194     client_update_transient_tree(self, self->group, self->group,
1195                                  self->transient_for, target);
1196     self->transient_for = target;
1197
1198 }
1199
1200 static void client_update_transient_tree(ObClient *self,
1201                                          ObGroup *oldgroup, ObGroup *newgroup,
1202                                          ObClient* oldparent,
1203                                          ObClient *newparent)
1204 {
1205     GSList *it, *next;
1206     ObClient *c;
1207
1208     /* No change has occured */
1209     if (oldgroup == newgroup && oldparent == newparent) return;
1210
1211     /** Remove the client from the transient tree wherever it has changed **/
1212
1213     /* If the window is becoming a direct transient for a window in its group
1214        then that window can't be a child of this window anymore */
1215     if (oldparent != newparent &&
1216         newparent != NULL && newparent != OB_TRAN_GROUP &&
1217         newparent->transient_for == OB_TRAN_GROUP &&
1218         newgroup != NULL && newgroup == oldgroup)
1219     {
1220         self->transients = g_slist_remove(self->transients, newparent);
1221     }
1222
1223
1224     /* If the group changed then we need to remove any old group transient
1225        windows from our children. But if we're transient for the group, then
1226        other group transients are not our children. */
1227     if (oldgroup != newgroup && oldgroup != NULL &&
1228         oldparent != OB_TRAN_GROUP)
1229     {
1230         for (it = self->transients; it; it = next) {
1231             next = g_slist_next(it);
1232             c = it->data;
1233             if (c->group == oldgroup)
1234                 self->transients = g_slist_delete_link(self->transients, it);
1235         }
1236     }
1237
1238     /* If we used to be transient for a group and now we are not, or we're
1239        transient for a new group, then we need to remove ourselves from all
1240        our ex-parents */
1241     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1242                                        oldparent != newparent))
1243     {
1244         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1245             c = it->data;
1246             if (c != self && (!c->transient_for ||
1247                               c->transient_for != OB_TRAN_GROUP))
1248                 c->transients = g_slist_remove(c->transients, self);
1249         }
1250     }
1251     /* If we used to be transient for a single window and we are no longer
1252        transient for it, then we need to remove ourself from its children */
1253     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1254              oldparent != newparent)
1255         oldparent->transients = g_slist_remove(oldparent->transients, self);
1256
1257
1258     /** Re-add the client to the transient tree wherever it has changed **/
1259
1260     /* If we're now transient for a group and we weren't transient for it
1261        before then we need to add ourselves to all our new parents */
1262     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1263                                        oldparent != newparent))
1264     {
1265         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1266             c = it->data;
1267             if (c != self && (!c->transient_for ||
1268                               c->transient_for != OB_TRAN_GROUP))
1269                 c->transients = g_slist_append(c->transients, self);
1270         }
1271     }
1272     /* If we are now transient for a single window which we weren't before,
1273        we need to add ourselves to its children
1274
1275        WARNING: Cyclical transient ness is possible if two windows are
1276        transient for eachother.
1277     */
1278     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1279              newparent != oldparent &&
1280              /* don't make ourself its child if it is already our child */
1281              !client_is_direct_child(self, newparent))
1282         newparent->transients = g_slist_append(newparent->transients, self);
1283
1284     /* If the group changed then we need to add any old group transient
1285        windows to our children. But if we're transient for the group, then
1286        other group transients are not our children.
1287
1288        WARNING: Cyclical transient-ness is possible. For e.g. if:
1289        A is transient for the group
1290        B is a member of the group and transient for A
1291     */
1292     if (oldgroup != newgroup && newgroup != NULL &&
1293         newparent != OB_TRAN_GROUP)
1294     {
1295         for (it = newgroup->members; it; it = g_slist_next(it)) {
1296             c = it->data;
1297             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1298                 /* Don't make it our child if it is already our parent */
1299                 !client_is_direct_child(c, self))
1300             {
1301                 self->transients = g_slist_append(self->transients, c);
1302             }
1303         }
1304     }
1305 }
1306
1307 static void client_get_mwm_hints(ObClient *self)
1308 {
1309     guint num;
1310     guint32 *hints;
1311
1312     self->mwmhints.flags = 0; /* default to none */
1313
1314     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1315                     &hints, &num)) {
1316         if (num >= OB_MWM_ELEMENTS) {
1317             self->mwmhints.flags = hints[0];
1318             self->mwmhints.functions = hints[1];
1319             self->mwmhints.decorations = hints[2];
1320         }
1321         g_free(hints);
1322     }
1323 }
1324
1325 void client_get_type(ObClient *self)
1326 {
1327     guint num, i;
1328     guint32 *val;
1329
1330     self->type = -1;
1331
1332     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1333         /* use the first value that we know about in the array */
1334         for (i = 0; i < num; ++i) {
1335             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1336                 self->type = OB_CLIENT_TYPE_DESKTOP;
1337             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1338                 self->type = OB_CLIENT_TYPE_DOCK;
1339             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1340                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1341             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1342                 self->type = OB_CLIENT_TYPE_MENU;
1343             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1344                 self->type = OB_CLIENT_TYPE_UTILITY;
1345             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1346                 self->type = OB_CLIENT_TYPE_SPLASH;
1347             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1348                 self->type = OB_CLIENT_TYPE_DIALOG;
1349             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1350                 self->type = OB_CLIENT_TYPE_NORMAL;
1351             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1352                 /* prevent this window from getting any decor or
1353                    functionality */
1354                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1355                                          OB_MWM_FLAG_DECORATIONS);
1356                 self->mwmhints.decorations = 0;
1357                 self->mwmhints.functions = 0;
1358             }
1359             if (self->type != (ObClientType) -1)
1360                 break; /* grab the first legit type */
1361         }
1362         g_free(val);
1363     }
1364
1365     if (self->type == (ObClientType) -1) {
1366         /*the window type hint was not set, which means we either classify
1367           ourself as a normal window or a dialog, depending on if we are a
1368           transient. */
1369         if (self->transient)
1370             self->type = OB_CLIENT_TYPE_DIALOG;
1371         else
1372             self->type = OB_CLIENT_TYPE_NORMAL;
1373     }
1374 }
1375
1376 void client_update_protocols(ObClient *self)
1377 {
1378     guint32 *proto;
1379     guint num_return, i;
1380
1381     self->focus_notify = FALSE;
1382     self->delete_window = FALSE;
1383
1384     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1385         for (i = 0; i < num_return; ++i) {
1386             if (proto[i] == prop_atoms.wm_delete_window)
1387                 /* this means we can request the window to close */
1388                 self->delete_window = TRUE;
1389             else if (proto[i] == prop_atoms.wm_take_focus)
1390                 /* if this protocol is requested, then the window will be
1391                    notified whenever we want it to receive focus */
1392                 self->focus_notify = TRUE;
1393 #ifdef SYNC
1394             else if (proto[i] == prop_atoms.net_wm_sync_request)
1395                 /* if this protocol is requested, then resizing the
1396                    window will be synchronized between the frame and the
1397                    client */
1398                 self->sync_request = TRUE;
1399 #endif
1400         }
1401         g_free(proto);
1402     }
1403 }
1404
1405 #ifdef SYNC
1406 void client_update_sync_request_counter(ObClient *self)
1407 {
1408     guint32 i;
1409
1410     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1411         self->sync_counter = i;
1412     } else
1413         self->sync_counter = None;
1414 }
1415 #endif
1416
1417 static void client_get_gravity(ObClient *self)
1418 {
1419     XWindowAttributes wattrib;
1420     Status ret;
1421
1422     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1423     g_assert(ret != BadWindow);
1424     self->gravity = wattrib.win_gravity;
1425 }
1426
1427 void client_get_colormap(ObClient *self)
1428 {
1429     XWindowAttributes wa;
1430
1431     if (XGetWindowAttributes(ob_display, self->window, &wa))
1432         client_update_colormap(self, wa.colormap);
1433 }
1434
1435 void client_update_colormap(ObClient *self, Colormap colormap)
1436 {
1437     self->colormap = colormap;
1438 }
1439
1440 void client_update_normal_hints(ObClient *self)
1441 {
1442     XSizeHints size;
1443     glong ret;
1444     gint oldgravity = self->gravity;
1445
1446     /* defaults */
1447     self->min_ratio = 0.0f;
1448     self->max_ratio = 0.0f;
1449     SIZE_SET(self->size_inc, 1, 1);
1450     SIZE_SET(self->base_size, 0, 0);
1451     SIZE_SET(self->min_size, 0, 0);
1452     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1453
1454     /* get the hints from the window */
1455     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1456         /* normal windows can't request placement! har har
1457         if (!client_normal(self))
1458         */
1459         self->positioned = (size.flags & (PPosition|USPosition));
1460
1461         if (size.flags & PWinGravity) {
1462             self->gravity = size.win_gravity;
1463
1464             /* if the client has a frame, i.e. has already been mapped and
1465                is changing its gravity */
1466             if (self->frame && self->gravity != oldgravity) {
1467                 /* move our idea of the client's position based on its new
1468                    gravity */
1469                 client_convert_gravity(self, oldgravity,
1470                                        &self->area.x, &self->area.y,
1471                                        self->area.width, self->area.height);
1472             }
1473         }
1474
1475         if (size.flags & PAspect) {
1476             if (size.min_aspect.y)
1477                 self->min_ratio =
1478                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1479             if (size.max_aspect.y)
1480                 self->max_ratio =
1481                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1482         }
1483
1484         if (size.flags & PMinSize)
1485             SIZE_SET(self->min_size, size.min_width, size.min_height);
1486
1487         if (size.flags & PMaxSize)
1488             SIZE_SET(self->max_size, size.max_width, size.max_height);
1489
1490         if (size.flags & PBaseSize)
1491             SIZE_SET(self->base_size, size.base_width, size.base_height);
1492
1493         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1494             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1495     }
1496 }
1497
1498 void client_setup_decor_and_functions(ObClient *self)
1499 {
1500     /* start with everything (cept fullscreen) */
1501     self->decorations =
1502         (OB_FRAME_DECOR_TITLEBAR |
1503          OB_FRAME_DECOR_HANDLE |
1504          OB_FRAME_DECOR_GRIPS |
1505          OB_FRAME_DECOR_BORDER |
1506          OB_FRAME_DECOR_ICON |
1507          OB_FRAME_DECOR_ALLDESKTOPS |
1508          OB_FRAME_DECOR_ICONIFY |
1509          OB_FRAME_DECOR_MAXIMIZE |
1510          OB_FRAME_DECOR_SHADE |
1511          OB_FRAME_DECOR_CLOSE);
1512     self->functions =
1513         (OB_CLIENT_FUNC_RESIZE |
1514          OB_CLIENT_FUNC_MOVE |
1515          OB_CLIENT_FUNC_ICONIFY |
1516          OB_CLIENT_FUNC_MAXIMIZE |
1517          OB_CLIENT_FUNC_SHADE |
1518          OB_CLIENT_FUNC_CLOSE);
1519
1520     if (!(self->min_size.width < self->max_size.width ||
1521           self->min_size.height < self->max_size.height))
1522         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1523
1524     switch (self->type) {
1525     case OB_CLIENT_TYPE_NORMAL:
1526         /* normal windows retain all of the possible decorations and
1527            functionality, and are the only windows that you can fullscreen */
1528         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1529         break;
1530
1531     case OB_CLIENT_TYPE_DIALOG:
1532     case OB_CLIENT_TYPE_UTILITY:
1533         /* these windows cannot be maximized */
1534         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1535         break;
1536
1537     case OB_CLIENT_TYPE_MENU:
1538     case OB_CLIENT_TYPE_TOOLBAR:
1539         /* these windows get less functionality */
1540         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1541         break;
1542
1543     case OB_CLIENT_TYPE_DESKTOP:
1544     case OB_CLIENT_TYPE_DOCK:
1545     case OB_CLIENT_TYPE_SPLASH:
1546         /* none of these windows are manipulated by the window manager */
1547         self->decorations = 0;
1548         self->functions = 0;
1549         break;
1550     }
1551
1552     /* Mwm Hints are applied subtractively to what has already been chosen for
1553        decor and functionality */
1554     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1555         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1556             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1557                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1558             {
1559                 /* if the mwm hints request no handle or title, then all
1560                    decorations are disabled, but keep the border if that's
1561                    specified */
1562                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1563                     self->decorations = OB_FRAME_DECOR_BORDER;
1564                 else
1565                     self->decorations = 0;
1566             }
1567         }
1568     }
1569
1570     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1571         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1572             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1573                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1574             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1575                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1576             /* dont let mwm hints kill any buttons
1577                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1578                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1579                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1580                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1581             */
1582             /* dont let mwm hints kill the close button
1583                if (! (self->mwmhints.functions & MwmFunc_Close))
1584                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1585         }
1586     }
1587
1588     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1589         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1590     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1591         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1592     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1593         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1594
1595     /* can't maximize without moving/resizing */
1596     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1597           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1598           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1599         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1600         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1601     }
1602
1603     /* kill the handle on fully maxed windows */
1604     if (self->max_vert && self->max_horz)
1605         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1606
1607     /* finally, the user can have requested no decorations, which overrides
1608        everything (but doesnt give it a border if it doesnt have one) */
1609     if (self->undecorated) {
1610         if (config_theme_keepborder)
1611             self->decorations &= OB_FRAME_DECOR_BORDER;
1612         else
1613             self->decorations = 0;
1614     }
1615
1616     /* if we don't have a titlebar, then we cannot shade! */
1617     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1618         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1619
1620     /* now we need to check against rules for the client's current state */
1621     if (self->fullscreen) {
1622         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1623                             OB_CLIENT_FUNC_FULLSCREEN |
1624                             OB_CLIENT_FUNC_ICONIFY);
1625         self->decorations = 0;
1626     }
1627
1628     client_change_allowed_actions(self);
1629
1630     if (self->frame) {
1631         /* adjust the client's decorations, etc. */
1632         client_reconfigure(self);
1633     }
1634 }
1635
1636 static void client_change_allowed_actions(ObClient *self)
1637 {
1638     gulong actions[9];
1639     gint num = 0;
1640
1641     /* desktop windows are kept on all desktops */
1642     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1643         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1644
1645     if (self->functions & OB_CLIENT_FUNC_SHADE)
1646         actions[num++] = prop_atoms.net_wm_action_shade;
1647     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1648         actions[num++] = prop_atoms.net_wm_action_close;
1649     if (self->functions & OB_CLIENT_FUNC_MOVE)
1650         actions[num++] = prop_atoms.net_wm_action_move;
1651     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1652         actions[num++] = prop_atoms.net_wm_action_minimize;
1653     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1654         actions[num++] = prop_atoms.net_wm_action_resize;
1655     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1656         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1657     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1658         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1659         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1660     }
1661
1662     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1663
1664     /* make sure the window isn't breaking any rules now */
1665
1666     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1667         if (self->frame) client_shade(self, FALSE);
1668         else self->shaded = FALSE;
1669     }
1670     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1671         if (self->frame) client_iconify(self, FALSE, TRUE);
1672         else self->iconic = FALSE;
1673     }
1674     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1675         if (self->frame) client_fullscreen(self, FALSE);
1676         else self->fullscreen = FALSE;
1677     }
1678     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1679                                                          self->max_vert)) {
1680         if (self->frame) client_maximize(self, FALSE, 0);
1681         else self->max_vert = self->max_horz = FALSE;
1682     }
1683 }
1684
1685 void client_reconfigure(ObClient *self)
1686 {
1687     /* by making this pass FALSE for user, we avoid the emacs event storm where
1688        every configurenotify causes an update in its normal hints, i think this
1689        is generally what we want anyways... */
1690     client_configure(self, self->area.x, self->area.y,
1691                      self->area.width, self->area.height, FALSE, TRUE);
1692 }
1693
1694 void client_update_wmhints(ObClient *self)
1695 {
1696     XWMHints *hints;
1697
1698     /* assume a window takes input if it doesnt specify */
1699     self->can_focus = TRUE;
1700
1701     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1702         gboolean ur;
1703
1704         if (hints->flags & InputHint)
1705             self->can_focus = hints->input;
1706
1707         /* only do this when first managing the window *AND* when we aren't
1708            starting up! */
1709         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1710             if (hints->flags & StateHint)
1711                 self->iconic = hints->initial_state == IconicState;
1712
1713         ur = self->urgent;
1714         self->urgent = (hints->flags & XUrgencyHint);
1715         if (self->urgent && !ur)
1716             client_hilite(self, TRUE);
1717         else if (!self->urgent && ur && self->demands_attention)
1718             client_hilite(self, FALSE);
1719
1720         if (!(hints->flags & WindowGroupHint))
1721             hints->window_group = None;
1722
1723         /* did the group state change? */
1724         if (hints->window_group !=
1725             (self->group ? self->group->leader : None))
1726         {
1727             ObGroup *oldgroup = self->group;
1728
1729             /* remove from the old group if there was one */
1730             if (self->group != NULL) {
1731                 group_remove(self->group, self);
1732                 self->group = NULL;
1733             }
1734
1735             /* add ourself to the group if we have one */
1736             if (hints->window_group != None) {
1737                 self->group = group_add(hints->window_group, self);
1738             }
1739
1740             /* Put ourselves into the new group's transient tree, and remove
1741                ourselves from the old group's */
1742             client_update_transient_tree(self, oldgroup, self->group,
1743                                          self->transient_for,
1744                                          self->transient_for);
1745
1746             /* Lastly, being in a group, or not, can change if the window is
1747                transient for anything.
1748
1749                The logic for this is:
1750                self->transient = TRUE always if the window wants to be
1751                transient for something, even if transient_for was NULL because
1752                it wasn't in a group before.
1753
1754                If transient_for was NULL and oldgroup was NULL we can assume
1755                that when we add the new group, it will become transient for
1756                something.
1757
1758                If transient_for was OB_TRAN_GROUP, then it must have already
1759                had a group. If it is getting a new group, the above call to
1760                client_update_transient_tree has already taken care of
1761                everything ! If it is losing all group status then it will
1762                no longer be transient for anything and that needs to be
1763                updated.
1764             */
1765             if (self->transient &&
1766                 ((self->transient_for == NULL && oldgroup == NULL) ||
1767                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1768                 client_update_transient_for(self);
1769         }
1770
1771         /* the WM_HINTS can contain an icon */
1772         client_update_icons(self);
1773
1774         XFree(hints);
1775     }
1776 }
1777
1778 void client_update_title(ObClient *self)
1779 {
1780     gchar *data = NULL;
1781     gchar *visible = NULL;
1782
1783     g_free(self->title);
1784
1785     /* try netwm */
1786     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1787         /* try old x stuff */
1788         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1789               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1790             if (self->transient) {
1791                 /*
1792                   GNOME alert windows are not given titles:
1793                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1794                 */
1795                 data = g_strdup("");
1796             } else
1797                 data = g_strdup("Unnamed Window");
1798         }
1799     }
1800
1801     if (self->client_machine) {
1802         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1803         g_free(data);
1804     } else
1805         visible = data;
1806
1807     PROP_SETS(self->window, net_wm_visible_name, visible);
1808     self->title = visible;
1809
1810     if (self->frame)
1811         frame_adjust_title(self->frame);
1812
1813     /* update the icon title */
1814     data = NULL;
1815     g_free(self->icon_title);
1816
1817     /* try netwm */
1818     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1819         /* try old x stuff */
1820         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1821               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1822             data = g_strdup(self->title);
1823
1824     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1825     self->icon_title = data;
1826 }
1827
1828 void client_update_class(ObClient *self)
1829 {
1830     gchar **data;
1831     gchar *s;
1832
1833     if (self->name) g_free(self->name);
1834     if (self->class) g_free(self->class);
1835     if (self->role) g_free(self->role);
1836
1837     self->name = self->class = self->role = NULL;
1838
1839     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1840         if (data[0]) {
1841             self->name = g_strdup(data[0]);
1842             if (data[1])
1843                 self->class = g_strdup(data[1]);
1844         }
1845         g_strfreev(data);
1846     }
1847
1848     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1849         self->role = s;
1850
1851     if (self->name == NULL) self->name = g_strdup("");
1852     if (self->class == NULL) self->class = g_strdup("");
1853     if (self->role == NULL) self->role = g_strdup("");
1854 }
1855
1856 void client_update_strut(ObClient *self)
1857 {
1858     guint num;
1859     guint32 *data;
1860     gboolean got = FALSE;
1861     StrutPartial strut;
1862
1863     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1864                     &data, &num)) {
1865         if (num == 12) {
1866             got = TRUE;
1867             STRUT_PARTIAL_SET(strut,
1868                               data[0], data[2], data[1], data[3],
1869                               data[4], data[5], data[8], data[9],
1870                               data[6], data[7], data[10], data[11]);
1871         }
1872         g_free(data);
1873     }
1874
1875     if (!got &&
1876         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1877         if (num == 4) {
1878             const Rect *a;
1879
1880             got = TRUE;
1881
1882             /* use the screen's width/height */
1883             a = screen_physical_area();
1884
1885             STRUT_PARTIAL_SET(strut,
1886                               data[0], data[2], data[1], data[3],
1887                               a->y, a->y + a->height - 1,
1888                               a->x, a->x + a->width - 1,
1889                               a->y, a->y + a->height - 1,
1890                               a->x, a->x + a->width - 1);
1891         }
1892         g_free(data);
1893     }
1894
1895     if (!got)
1896         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1897                           0, 0, 0, 0, 0, 0, 0, 0);
1898
1899     if (!STRUT_EQUAL(strut, self->strut)) {
1900         self->strut = strut;
1901
1902         /* updating here is pointless while we're being mapped cuz we're not in
1903            the client list yet */
1904         if (self->frame)
1905             screen_update_areas();
1906     }
1907 }
1908
1909 void client_update_icons(ObClient *self)
1910 {
1911     guint num;
1912     guint32 *data;
1913     guint w, h, i, j;
1914
1915     for (i = 0; i < self->nicons; ++i)
1916         g_free(self->icons[i].data);
1917     if (self->nicons > 0)
1918         g_free(self->icons);
1919     self->nicons = 0;
1920
1921     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1922         /* figure out how many valid icons are in here */
1923         i = 0;
1924         while (num - i > 2) {
1925             w = data[i++];
1926             h = data[i++];
1927             i += w * h;
1928             if (i > num || w*h == 0) break;
1929             ++self->nicons;
1930         }
1931
1932         self->icons = g_new(ObClientIcon, self->nicons);
1933
1934         /* store the icons */
1935         i = 0;
1936         for (j = 0; j < self->nicons; ++j) {
1937             guint x, y, t;
1938
1939             w = self->icons[j].width = data[i++];
1940             h = self->icons[j].height = data[i++];
1941
1942             if (w*h == 0) continue;
1943
1944             self->icons[j].data = g_new(RrPixel32, w * h);
1945             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1946                 if (x >= w) {
1947                     x = 0;
1948                     ++y;
1949                 }
1950                 self->icons[j].data[t] =
1951                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1952                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1953                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1954                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1955             }
1956             g_assert(i <= num);
1957         }
1958
1959         g_free(data);
1960     } else {
1961         XWMHints *hints;
1962
1963         if ((hints = XGetWMHints(ob_display, self->window))) {
1964             if (hints->flags & IconPixmapHint) {
1965                 self->nicons++;
1966                 self->icons = g_new(ObClientIcon, self->nicons);
1967                 xerror_set_ignore(TRUE);
1968                 if (!RrPixmapToRGBA(ob_rr_inst,
1969                                     hints->icon_pixmap,
1970                                     (hints->flags & IconMaskHint ?
1971                                      hints->icon_mask : None),
1972                                     &self->icons[self->nicons-1].width,
1973                                     &self->icons[self->nicons-1].height,
1974                                     &self->icons[self->nicons-1].data)){
1975                     g_free(&self->icons[self->nicons-1]);
1976                     self->nicons--;
1977                 }
1978                 xerror_set_ignore(FALSE);
1979             }
1980             XFree(hints);
1981         }
1982     }
1983
1984     /* set the default icon onto the window
1985        in theory, this could be a race, but if a window doesn't set an icon
1986        or removes it entirely, it's not very likely it is going to set one
1987        right away afterwards */
1988     if (self->nicons == 0) {
1989         RrPixel32 *icon = ob_rr_theme->def_win_icon;
1990         gulong *data;
1991
1992         data = g_new(gulong, 48*48+2);
1993         data[0] = data[1] =  48;
1994         for (i = 0; i < 48*48; ++i)
1995             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
1996                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
1997                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
1998                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
1999         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2000         g_free(data);
2001     } else if (self->frame)
2002         /* don't draw the icon empty if we're just setting one now anyways,
2003            we'll get the property change any second */
2004         frame_adjust_icon(self->frame);
2005 }
2006
2007 void client_update_user_time(ObClient *self)
2008 {
2009     guint32 time;
2010
2011     if (PROP_GET32(self->window, net_wm_user_time, cardinal, &time)) {
2012         /* we set this every time, not just when it grows, because in practice
2013            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2014            backward we don't want all windows to stop focusing. we'll just
2015            assume noone is setting times older than the last one, cuz that
2016            would be pretty stupid anyways
2017         */
2018         self->user_time = time;
2019
2020         /*
2021         ob_debug("window %s user time %u\n", self->title, time);
2022         */
2023     }
2024 }
2025
2026 static void client_get_client_machine(ObClient *self)
2027 {
2028     gchar *data = NULL;
2029     gchar localhost[128];
2030
2031     g_free(self->client_machine);
2032
2033     if (PROP_GETS(self->window, wm_client_machine, locale, &data)) {
2034         gethostname(localhost, 127);
2035         localhost[127] = '\0';
2036         if (strcmp(localhost, data))
2037             self->client_machine = data;
2038     }
2039 }
2040
2041 static void client_change_wm_state(ObClient *self)
2042 {
2043     gulong state[2];
2044     glong old;
2045
2046     old = self->wmstate;
2047
2048     if (self->shaded || self->iconic || !self->frame->visible)
2049         self->wmstate = IconicState;
2050     else
2051         self->wmstate = NormalState;
2052
2053     if (old != self->wmstate) {
2054         PROP_MSG(self->window, kde_wm_change_state,
2055                  self->wmstate, 1, 0, 0);
2056
2057         state[0] = self->wmstate;
2058         state[1] = None;
2059         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2060     }
2061 }
2062
2063 static void client_change_state(ObClient *self)
2064 {
2065     gulong netstate[11];
2066     guint num;
2067
2068     num = 0;
2069     if (self->modal)
2070         netstate[num++] = prop_atoms.net_wm_state_modal;
2071     if (self->shaded)
2072         netstate[num++] = prop_atoms.net_wm_state_shaded;
2073     if (self->iconic)
2074         netstate[num++] = prop_atoms.net_wm_state_hidden;
2075     if (self->skip_taskbar)
2076         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2077     if (self->skip_pager)
2078         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2079     if (self->fullscreen)
2080         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2081     if (self->max_vert)
2082         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2083     if (self->max_horz)
2084         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2085     if (self->above)
2086         netstate[num++] = prop_atoms.net_wm_state_above;
2087     if (self->below)
2088         netstate[num++] = prop_atoms.net_wm_state_below;
2089     if (self->demands_attention)
2090         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2091     if (self->undecorated)
2092         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2093     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2094
2095     if (self->frame)
2096         frame_adjust_state(self->frame);
2097 }
2098
2099 ObClient *client_search_focus_tree(ObClient *self)
2100 {
2101     GSList *it;
2102     ObClient *ret;
2103
2104     for (it = self->transients; it; it = g_slist_next(it)) {
2105         if (client_focused(it->data)) return it->data;
2106         if ((ret = client_search_focus_tree(it->data))) return ret;
2107     }
2108     return NULL;
2109 }
2110
2111 ObClient *client_search_focus_tree_full(ObClient *self)
2112 {
2113     if (self->transient_for) {
2114         if (self->transient_for != OB_TRAN_GROUP) {
2115             return client_search_focus_tree_full(self->transient_for);
2116         } else {
2117             GSList *it;
2118             gboolean recursed = FALSE;
2119
2120             for (it = self->group->members; it; it = g_slist_next(it))
2121                 if (!((ObClient*)it->data)->transient_for) {
2122                     ObClient *c;
2123                     if ((c = client_search_focus_tree_full(it->data)))
2124                         return c;
2125                     recursed = TRUE;
2126                 }
2127             if (recursed)
2128                 return NULL;
2129         }
2130     }
2131
2132     /* this function checks the whole tree, the client_search_focus_tree~
2133        does not, so we need to check this window */
2134     if (client_focused(self))
2135         return self;
2136     return client_search_focus_tree(self);
2137 }
2138
2139 static ObStackingLayer calc_layer(ObClient *self)
2140 {
2141     ObStackingLayer l;
2142
2143     if (self->fullscreen &&
2144         (client_focused(self) || client_search_focus_tree(self)))
2145         l = OB_STACKING_LAYER_FULLSCREEN;
2146     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
2147         l = OB_STACKING_LAYER_DESKTOP;
2148     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2149         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2150         else l = OB_STACKING_LAYER_ABOVE;
2151     }
2152     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2153     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2154     else l = OB_STACKING_LAYER_NORMAL;
2155
2156     return l;
2157 }
2158
2159 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2160                                         ObStackingLayer min, gboolean raised)
2161 {
2162     ObStackingLayer old, own;
2163     GSList *it;
2164
2165     old = self->layer;
2166     own = calc_layer(self);
2167     self->layer = MAX(own, min);
2168
2169     for (it = self->transients; it; it = g_slist_next(it))
2170         client_calc_layer_recursive(it->data, orig,
2171                                     self->layer,
2172                                     raised ? raised : self->layer != old);
2173
2174     if (!raised && self->layer != old)
2175         if (orig->frame) { /* only restack if the original window is managed */
2176             stacking_remove(CLIENT_AS_WINDOW(self));
2177             stacking_add(CLIENT_AS_WINDOW(self));
2178         }
2179 }
2180
2181 void client_calc_layer(ObClient *self)
2182 {
2183     ObClient *orig;
2184     GSList *it;
2185
2186     orig = self;
2187
2188     /* transients take on the layer of their parents */
2189     it = client_search_all_top_parents(self);
2190
2191     for (; it; it = g_slist_next(it))
2192         client_calc_layer_recursive(it->data, orig, 0, FALSE);
2193 }
2194
2195 gboolean client_should_show(ObClient *self)
2196 {
2197     if (self->iconic)
2198         return FALSE;
2199     if (client_normal(self) && screen_showing_desktop)
2200         return FALSE;
2201     /*
2202     if (self->transient_for) {
2203         if (self->transient_for != OB_TRAN_GROUP)
2204             return client_should_show(self->transient_for);
2205         else {
2206             GSList *it;
2207
2208             for (it = self->group->members; it; it = g_slist_next(it)) {
2209                 ObClient *c = it->data;
2210                 if (c != self && !c->transient_for) {
2211                     if (client_should_show(c))
2212                         return TRUE;
2213                 }
2214             }
2215         }
2216     }
2217     */
2218     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2219         return TRUE;
2220
2221     return FALSE;
2222 }
2223
2224 void client_show(ObClient *self)
2225 {
2226
2227     if (client_should_show(self)) {
2228         frame_show(self->frame);
2229     }
2230
2231     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2232        needs to be in IconicState. This includes when it is on another
2233        desktop!
2234     */
2235     client_change_wm_state(self);
2236 }
2237
2238 void client_hide(ObClient *self)
2239 {
2240     if (!client_should_show(self)) {
2241         frame_hide(self->frame);
2242     }
2243
2244     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2245        needs to be in IconicState. This includes when it is on another
2246        desktop!
2247     */
2248     client_change_wm_state(self);
2249 }
2250
2251 void client_showhide(ObClient *self)
2252 {
2253
2254     if (client_should_show(self)) {
2255         frame_show(self->frame);
2256     }
2257     else {
2258         frame_hide(self->frame);
2259     }
2260
2261     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2262        needs to be in IconicState. This includes when it is on another
2263        desktop!
2264     */
2265     client_change_wm_state(self);
2266 }
2267
2268 gboolean client_normal(ObClient *self) {
2269     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2270               self->type == OB_CLIENT_TYPE_DOCK ||
2271               self->type == OB_CLIENT_TYPE_SPLASH);
2272 }
2273
2274 gboolean client_application(ObClient *self)
2275 {
2276     return (self->type == OB_CLIENT_TYPE_NORMAL ||
2277             self->type == OB_CLIENT_TYPE_DIALOG);
2278 }
2279
2280 static void client_apply_startup_state(ObClient *self, gint x, gint y)
2281 {
2282     gboolean pos = FALSE; /* has the window's position been configured? */
2283     gint ox, oy;
2284
2285     /* save the position, and set self->area for these to use */
2286     ox = self->area.x;
2287     oy = self->area.y;
2288     self->area.x = x;
2289     self->area.y = y;
2290
2291     /* set the desktop hint, to make sure that it always exists */
2292     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2293
2294     /* these are in a carefully crafted order.. */
2295
2296     if (self->iconic) {
2297         self->iconic = FALSE;
2298         client_iconify(self, TRUE, FALSE);
2299     }
2300     if (self->fullscreen) {
2301         self->fullscreen = FALSE;
2302         client_fullscreen(self, TRUE);
2303         pos = TRUE;
2304     }
2305     if (self->undecorated) {
2306         self->undecorated = FALSE;
2307         client_set_undecorated(self, TRUE);
2308     }
2309     if (self->shaded) {
2310         self->shaded = FALSE;
2311         client_shade(self, TRUE);
2312     }
2313     if (self->demands_attention) {
2314         self->demands_attention = FALSE;
2315         client_hilite(self, TRUE);
2316     }
2317
2318     if (self->max_vert && self->max_horz) {
2319         self->max_vert = self->max_horz = FALSE;
2320         client_maximize(self, TRUE, 0);
2321         pos = TRUE;
2322     } else if (self->max_vert) {
2323         self->max_vert = FALSE;
2324         client_maximize(self, TRUE, 2);
2325         pos = TRUE;
2326     } else if (self->max_horz) {
2327         self->max_horz = FALSE;
2328         client_maximize(self, TRUE, 1);
2329         pos = TRUE;
2330     }
2331
2332     /* if the client didn't get positioned yet, then do so now
2333        call client_move even if the window is not being moved anywhere, because
2334        when we reparent it and decorate it, it is getting moved and we need to
2335        be telling it so with a ConfigureNotify event.
2336     */
2337     if (!pos) {
2338         /* use the saved position */
2339         self->area.x = ox;
2340         self->area.y = oy;
2341         client_move(self, x, y);
2342     }
2343
2344     /* nothing to do for the other states:
2345        skip_taskbar
2346        skip_pager
2347        modal
2348        above
2349        below
2350     */
2351 }
2352
2353 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2354                             gint w, gint h)
2355 {
2356     gint oldg = self->gravity;
2357
2358     /* get the frame's position from the requested stuff */
2359     self->gravity = gravity;
2360     frame_client_gravity(self->frame, x, y, w, h);
2361     self->gravity = oldg;
2362
2363     /* get the client's position in its true gravity from that */
2364     frame_frame_gravity(self->frame, x, y, w, h);
2365 }
2366
2367 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2368                           gint *logicalw, gint *logicalh,
2369                           gboolean user)
2370 {
2371     Rect desired_area = {*x, *y, *w, *h};
2372
2373     /* make the frame recalculate its dimentions n shit without changing
2374        anything visible for real, this way the constraints below can work with
2375        the updated frame dimensions. */
2376     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2377
2378     /* work within the prefered sizes given by the window */
2379     if (!(*w == self->area.width && *h == self->area.height)) {
2380         gint basew, baseh, minw, minh;
2381
2382         /* base size is substituted with min size if not specified */
2383         if (self->base_size.width || self->base_size.height) {
2384             basew = self->base_size.width;
2385             baseh = self->base_size.height;
2386         } else {
2387             basew = self->min_size.width;
2388             baseh = self->min_size.height;
2389         }
2390         /* min size is substituted with base size if not specified */
2391         if (self->min_size.width || self->min_size.height) {
2392             minw = self->min_size.width;
2393             minh = self->min_size.height;
2394         } else {
2395             minw = self->base_size.width;
2396             minh = self->base_size.height;
2397         }
2398
2399         /* if this is a user-requested resize, then check against min/max
2400            sizes */
2401
2402         /* smaller than min size or bigger than max size? */
2403         if (*w > self->max_size.width) *w = self->max_size.width;
2404         if (*w < minw) *w = minw;
2405         if (*h > self->max_size.height) *h = self->max_size.height;
2406         if (*h < minh) *h = minh;
2407
2408         *w -= basew;
2409         *h -= baseh;
2410
2411         /* keep to the increments */
2412         *w /= self->size_inc.width;
2413         *h /= self->size_inc.height;
2414
2415         /* you cannot resize to nothing */
2416         if (basew + *w < 1) *w = 1 - basew;
2417         if (baseh + *h < 1) *h = 1 - baseh;
2418
2419         /* save the logical size */
2420         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2421         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2422
2423         *w *= self->size_inc.width;
2424         *h *= self->size_inc.height;
2425
2426         *w += basew;
2427         *h += baseh;
2428
2429         /* adjust the height to match the width for the aspect ratios.
2430            for this, min size is not substituted for base size ever. */
2431         *w -= self->base_size.width;
2432         *h -= self->base_size.height;
2433
2434         if (!self->fullscreen) {
2435             if (self->min_ratio)
2436                 if (*h * self->min_ratio > *w) {
2437                     *h = (gint)(*w / self->min_ratio);
2438
2439                     /* you cannot resize to nothing */
2440                     if (*h < 1) {
2441                         *h = 1;
2442                         *w = (gint)(*h * self->min_ratio);
2443                     }
2444                 }
2445             if (self->max_ratio)
2446                 if (*h * self->max_ratio < *w) {
2447                     *h = (gint)(*w / self->max_ratio);
2448
2449                     /* you cannot resize to nothing */
2450                     if (*h < 1) {
2451                         *h = 1;
2452                         *w = (gint)(*h * self->min_ratio);
2453                     }
2454                 }
2455         }
2456
2457         *w += self->base_size.width;
2458         *h += self->base_size.height;
2459     }
2460
2461     /* gets the frame's position */
2462     frame_client_gravity(self->frame, x, y, *w, *h);
2463
2464     /* these positions are frame positions, not client positions */
2465
2466     /* set the size and position if fullscreen */
2467     if (self->fullscreen) {
2468         Rect *a;
2469         guint i;
2470
2471         i = screen_find_monitor(&desired_area);
2472         a = screen_physical_area_monitor(i);
2473
2474         *x = a->x;
2475         *y = a->y;
2476         *w = a->width;
2477         *h = a->height;
2478
2479         user = FALSE; /* ignore if the client can't be moved/resized when it
2480                          is entering fullscreen */
2481     } else if (self->max_horz || self->max_vert) {
2482         Rect *a;
2483         guint i;
2484
2485         i = screen_find_monitor(&desired_area);
2486         a = screen_area_monitor(self->desktop, i);
2487
2488         /* set the size and position if maximized */
2489         if (self->max_horz) {
2490             *x = a->x;
2491             *w = a->width - self->frame->size.left - self->frame->size.right;
2492         }
2493         if (self->max_vert) {
2494             *y = a->y;
2495             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2496         }
2497
2498         /* maximizing is not allowed if the user can't move+resize the window
2499          */
2500     }
2501
2502     /* gets the client's position */
2503     frame_frame_gravity(self->frame, x, y, *w, *h);
2504
2505     /* these override the above states! if you cant move you can't move! */
2506     if (user) {
2507         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2508             *x = self->area.x;
2509             *y = self->area.y;
2510         }
2511         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2512             *w = self->area.width;
2513             *h = self->area.height;
2514         }
2515     }
2516
2517     g_assert(*w > 0);
2518     g_assert(*h > 0);
2519 }
2520
2521
2522 void client_configure_full(ObClient *self, gint x, gint y, gint w, gint h,
2523                            gboolean user, gboolean final,
2524                            gboolean force_reply)
2525 {
2526     gint oldw, oldh, oldrx, oldry;
2527     gboolean send_resize_client;
2528     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2529     guint fdecor = self->frame->decorations;
2530     gboolean fhorz = self->frame->max_horz;
2531     gint logicalw, logicalh;
2532
2533     /* find the new x, y, width, and height (and logical size) */
2534     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2535
2536     /* set the logical size if things changed */
2537     if (!(w == self->area.width && h == self->area.height))
2538         SIZE_SET(self->logical_size, logicalw, logicalh);
2539
2540     /* figure out if we moved or resized or what */
2541     moved = x != self->area.x || y != self->area.y;
2542     resized = w != self->area.width || h != self->area.height;
2543
2544     oldw = self->area.width;
2545     oldh = self->area.height;
2546     RECT_SET(self->area, x, y, w, h);
2547
2548     /* for app-requested resizes, always resize if 'resized' is true.
2549        for user-requested ones, only resize if final is true, or when
2550        resizing in redraw mode */
2551     send_resize_client = ((!user && resized) ||
2552                           (user && (final ||
2553                                     (resized && config_resize_redraw))));
2554
2555     /* if the client is enlarging, then resize the client before the frame */
2556     if (send_resize_client && user && (w > oldw || h > oldh)) {
2557         XResizeWindow(ob_display, self->window, MAX(w, oldw), MAX(h, oldh));
2558         /* resize the plate to show the client padding color underneath */
2559         frame_adjust_client_area(self->frame);
2560     }
2561
2562     /* find the frame's dimensions and move/resize it */
2563     if (self->decorations != fdecor || self->max_horz != fhorz)
2564         moved = resized = TRUE;
2565     if (moved || resized)
2566         frame_adjust_area(self->frame, moved, resized, FALSE);
2567
2568     /* find the client's position relative to the root window */
2569     oldrx = self->root_pos.x;
2570     oldry = self->root_pos.y;
2571     rootmoved = (oldrx != (signed)(self->frame->area.x +
2572                                    self->frame->size.left -
2573                                    self->border_width) ||
2574                  oldry != (signed)(self->frame->area.y +
2575                                    self->frame->size.top -
2576                                    self->border_width));
2577
2578     if (force_reply || ((!user || (user && final)) && rootmoved))
2579     {
2580         XEvent event;
2581
2582         POINT_SET(self->root_pos,
2583                   self->frame->area.x + self->frame->size.left -
2584                   self->border_width,
2585                   self->frame->area.y + self->frame->size.top -
2586                   self->border_width);
2587
2588         event.type = ConfigureNotify;
2589         event.xconfigure.display = ob_display;
2590         event.xconfigure.event = self->window;
2591         event.xconfigure.window = self->window;
2592
2593         /* root window real coords */
2594         event.xconfigure.x = self->root_pos.x;
2595         event.xconfigure.y = self->root_pos.y;
2596         event.xconfigure.width = w;
2597         event.xconfigure.height = h;
2598         event.xconfigure.border_width = 0;
2599         event.xconfigure.above = self->frame->plate;
2600         event.xconfigure.override_redirect = FALSE;
2601         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2602                    FALSE, StructureNotifyMask, &event);
2603     }
2604
2605     /* if the client is shrinking, then resize the frame before the client */
2606     if (send_resize_client && (!user || (w <= oldw || h <= oldh))) {
2607         /* resize the plate to show the client padding color underneath */
2608         frame_adjust_client_area(self->frame);
2609
2610         XResizeWindow(ob_display, self->window, w, h);
2611     }
2612
2613     XFlush(ob_display);
2614 }
2615
2616 void client_fullscreen(ObClient *self, gboolean fs)
2617 {
2618     gint x, y, w, h;
2619
2620     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2621         self->fullscreen == fs) return;                   /* already done */
2622
2623     self->fullscreen = fs;
2624     client_change_state(self); /* change the state hints on the client */
2625     client_calc_layer(self);   /* and adjust out layer/stacking */
2626
2627     if (fs) {
2628         self->pre_fullscreen_area = self->area;
2629         /* if the window is maximized, its area isn't all that meaningful.
2630            save it's premax area instead. */
2631         if (self->max_horz) {
2632             self->pre_fullscreen_area.x = self->pre_max_area.x;
2633             self->pre_fullscreen_area.width = self->pre_max_area.width;
2634         }
2635         if (self->max_vert) {
2636             self->pre_fullscreen_area.y = self->pre_max_area.y;
2637             self->pre_fullscreen_area.height = self->pre_max_area.height;
2638         }
2639
2640         /* these are not actually used cuz client_configure will set them
2641            as appropriate when the window is fullscreened */
2642         x = y = w = h = 0;
2643     } else {
2644         Rect *a;
2645
2646         if (self->pre_fullscreen_area.width > 0 &&
2647             self->pre_fullscreen_area.height > 0)
2648         {
2649             x = self->pre_fullscreen_area.x;
2650             y = self->pre_fullscreen_area.y;
2651             w = self->pre_fullscreen_area.width;
2652             h = self->pre_fullscreen_area.height;
2653             RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2654         } else {
2655             /* pick some fallbacks... */
2656             a = screen_area_monitor(self->desktop, 0);
2657             x = a->x + a->width / 4;
2658             y = a->y + a->height / 4;
2659             w = a->width / 2;
2660             h = a->height / 2;
2661         }
2662     }
2663
2664     client_setup_decor_and_functions(self);
2665
2666     client_move_resize(self, x, y, w, h);
2667
2668     /* try focus us when we go into fullscreen mode */
2669     client_focus(self);
2670 }
2671
2672 static void client_iconify_recursive(ObClient *self,
2673                                      gboolean iconic, gboolean curdesk)
2674 {
2675     GSList *it;
2676     gboolean changed = FALSE;
2677
2678
2679     if (self->iconic != iconic) {
2680         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2681                  self->window);
2682
2683         if (iconic) {
2684             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2685                 self->iconic = iconic;
2686
2687                 /* update the focus lists.. iconic windows go to the bottom of
2688                    the list, put the new iconic window at the 'top of the
2689                    bottom'. */
2690                 focus_order_to_top(self);
2691
2692                 changed = TRUE;
2693             }
2694         } else {
2695             self->iconic = iconic;
2696
2697             if (curdesk && self->desktop != screen_desktop &&
2698                 self->desktop != DESKTOP_ALL)
2699                 client_set_desktop(self, screen_desktop, FALSE);
2700
2701             /* this puts it after the current focused window */
2702             focus_order_remove(self);
2703             focus_order_add_new(self);
2704
2705             changed = TRUE;
2706         }
2707     }
2708
2709     if (changed) {
2710         client_change_state(self);
2711         client_showhide(self);
2712         if (STRUT_EXISTS(self->strut))
2713             screen_update_areas();
2714     }
2715
2716     /* iconify all direct transients, and deiconify all transients
2717        (non-direct too) */
2718     for (it = self->transients; it; it = g_slist_next(it))
2719         if (it->data != self)
2720             if (client_is_direct_child(self, it->data) || !iconic)
2721                 client_iconify_recursive(it->data, iconic, curdesk);
2722 }
2723
2724 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2725 {
2726     /* move up the transient chain as far as possible first */
2727     self = client_search_top_parent(self);
2728     client_iconify_recursive(self, iconic, curdesk);
2729 }
2730
2731 void client_maximize(ObClient *self, gboolean max, gint dir)
2732 {
2733     gint x, y, w, h;
2734
2735     g_assert(dir == 0 || dir == 1 || dir == 2);
2736     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2737
2738     /* check if already done */
2739     if (max) {
2740         if (dir == 0 && self->max_horz && self->max_vert) return;
2741         if (dir == 1 && self->max_horz) return;
2742         if (dir == 2 && self->max_vert) return;
2743     } else {
2744         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2745         if (dir == 1 && !self->max_horz) return;
2746         if (dir == 2 && !self->max_vert) return;
2747     }
2748
2749     /* we just tell it to configure in the same place and client_configure
2750        worries about filling the screen with the window */
2751     x = self->area.x;
2752     y = self->area.y;
2753     w = self->area.width;
2754     h = self->area.height;
2755
2756     if (max) {
2757         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2758             RECT_SET(self->pre_max_area,
2759                      self->area.x, self->pre_max_area.y,
2760                      self->area.width, self->pre_max_area.height);
2761         }
2762         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2763             RECT_SET(self->pre_max_area,
2764                      self->pre_max_area.x, self->area.y,
2765                      self->pre_max_area.width, self->area.height);
2766         }
2767     } else {
2768         Rect *a;
2769
2770         a = screen_area_monitor(self->desktop, 0);
2771         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2772             if (self->pre_max_area.width > 0) {
2773                 x = self->pre_max_area.x;
2774                 w = self->pre_max_area.width;
2775
2776                 RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2777                          0, self->pre_max_area.height);
2778             } else {
2779                 /* pick some fallbacks... */
2780                 x = a->x + a->width / 4;
2781                 w = a->width / 2;
2782             }
2783         }
2784         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2785             if (self->pre_max_area.height > 0) {
2786                 y = self->pre_max_area.y;
2787                 h = self->pre_max_area.height;
2788
2789                 RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2790                          self->pre_max_area.width, 0);
2791             } else {
2792                 /* pick some fallbacks... */
2793                 y = a->y + a->height / 4;
2794                 h = a->height / 2;
2795             }
2796         }
2797     }
2798
2799     if (dir == 0 || dir == 1) /* horz */
2800         self->max_horz = max;
2801     if (dir == 0 || dir == 2) /* vert */
2802         self->max_vert = max;
2803
2804     client_change_state(self); /* change the state hints on the client */
2805
2806     client_setup_decor_and_functions(self);
2807
2808     client_move_resize(self, x, y, w, h);
2809 }
2810
2811 void client_shade(ObClient *self, gboolean shade)
2812 {
2813     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2814          shade) ||                         /* can't shade */
2815         self->shaded == shade) return;     /* already done */
2816
2817     self->shaded = shade;
2818     client_change_state(self);
2819     client_change_wm_state(self); /* the window is being hidden/shown */
2820     /* resize the frame to just the titlebar */
2821     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2822 }
2823
2824 void client_close(ObClient *self)
2825 {
2826     XEvent ce;
2827
2828     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2829
2830     /* in the case that the client provides no means to requesting that it
2831        close, we just kill it */
2832     if (!self->delete_window)
2833         client_kill(self);
2834
2835     /*
2836       XXX: itd be cool to do timeouts and shit here for killing the client's
2837       process off
2838       like... if the window is around after 5 seconds, then the close button
2839       turns a nice red, and if this function is called again, the client is
2840       explicitly killed.
2841     */
2842
2843     ce.xclient.type = ClientMessage;
2844     ce.xclient.message_type =  prop_atoms.wm_protocols;
2845     ce.xclient.display = ob_display;
2846     ce.xclient.window = self->window;
2847     ce.xclient.format = 32;
2848     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2849     ce.xclient.data.l[1] = event_curtime;
2850     ce.xclient.data.l[2] = 0l;
2851     ce.xclient.data.l[3] = 0l;
2852     ce.xclient.data.l[4] = 0l;
2853     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2854 }
2855
2856 void client_kill(ObClient *self)
2857 {
2858     XKillClient(ob_display, self->window);
2859 }
2860
2861 void client_hilite(ObClient *self, gboolean hilite)
2862 {
2863     if (self->demands_attention == hilite)
2864         return; /* no change */
2865
2866     /* don't allow focused windows to hilite */
2867     self->demands_attention = hilite && !client_focused(self);
2868     if (self->frame != NULL) { /* if we're mapping, just set the state */
2869         if (self->demands_attention)
2870             frame_flash_start(self->frame);
2871         else
2872             frame_flash_stop(self->frame);
2873         client_change_state(self);
2874     }
2875 }
2876
2877 void client_set_desktop_recursive(ObClient *self,
2878                                   guint target, gboolean donthide)
2879 {
2880     guint old;
2881     GSList *it;
2882
2883     if (target != self->desktop) {
2884
2885         ob_debug("Setting desktop %u\n", target+1);
2886
2887         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2888
2889         /* remove from the old desktop(s) */
2890         focus_order_remove(self);
2891
2892         old = self->desktop;
2893         self->desktop = target;
2894         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2895         /* the frame can display the current desktop state */
2896         frame_adjust_state(self->frame);
2897         /* 'move' the window to the new desktop */
2898         if (!donthide)
2899             client_showhide(self);
2900         /* raise if it was not already on the desktop */
2901         if (old != DESKTOP_ALL)
2902             client_raise(self);
2903         if (STRUT_EXISTS(self->strut))
2904             screen_update_areas();
2905
2906         /* add to the new desktop(s) */
2907         if (config_focus_new)
2908             focus_order_to_top(self);
2909         else
2910             focus_order_to_bottom(self);
2911     }
2912
2913     /* move all transients */
2914     for (it = self->transients; it; it = g_slist_next(it))
2915         if (it->data != self)
2916             if (client_is_direct_child(self, it->data))
2917                 client_set_desktop_recursive(it->data, target, donthide);
2918 }
2919
2920 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2921 {
2922     self = client_search_top_parent(self);
2923     client_set_desktop_recursive(self, target, donthide);
2924 }
2925
2926 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
2927 {
2928     while (child != parent &&
2929            child->transient_for && child->transient_for != OB_TRAN_GROUP)
2930         child = child->transient_for;
2931     return child == parent;
2932 }
2933
2934 ObClient *client_search_modal_child(ObClient *self)
2935 {
2936     GSList *it;
2937     ObClient *ret;
2938
2939     for (it = self->transients; it; it = g_slist_next(it)) {
2940         ObClient *c = it->data;
2941         if ((ret = client_search_modal_child(c))) return ret;
2942         if (c->modal) return c;
2943     }
2944     return NULL;
2945 }
2946
2947 gboolean client_validate(ObClient *self)
2948 {
2949     XEvent e;
2950
2951     XSync(ob_display, FALSE); /* get all events on the server */
2952
2953     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2954         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2955         XPutBackEvent(ob_display, &e);
2956         return FALSE;
2957     }
2958
2959     return TRUE;
2960 }
2961
2962 void client_set_wm_state(ObClient *self, glong state)
2963 {
2964     if (state == self->wmstate) return; /* no change */
2965
2966     switch (state) {
2967     case IconicState:
2968         client_iconify(self, TRUE, TRUE);
2969         break;
2970     case NormalState:
2971         client_iconify(self, FALSE, TRUE);
2972         break;
2973     }
2974 }
2975
2976 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
2977 {
2978     gboolean shaded = self->shaded;
2979     gboolean fullscreen = self->fullscreen;
2980     gboolean undecorated = self->undecorated;
2981     gboolean max_horz = self->max_horz;
2982     gboolean max_vert = self->max_vert;
2983     gboolean modal = self->modal;
2984     gboolean iconic = self->iconic;
2985     gboolean demands_attention = self->demands_attention;
2986     gint i;
2987
2988     if (!(action == prop_atoms.net_wm_state_add ||
2989           action == prop_atoms.net_wm_state_remove ||
2990           action == prop_atoms.net_wm_state_toggle))
2991         /* an invalid action was passed to the client message, ignore it */
2992         return;
2993
2994     for (i = 0; i < 2; ++i) {
2995         Atom state = i == 0 ? data1 : data2;
2996
2997         if (!state) continue;
2998
2999         /* if toggling, then pick whether we're adding or removing */
3000         if (action == prop_atoms.net_wm_state_toggle) {
3001             if (state == prop_atoms.net_wm_state_modal)
3002                 action = modal ? prop_atoms.net_wm_state_remove :
3003                     prop_atoms.net_wm_state_add;
3004             else if (state == prop_atoms.net_wm_state_maximized_vert)
3005                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3006                     prop_atoms.net_wm_state_add;
3007             else if (state == prop_atoms.net_wm_state_maximized_horz)
3008                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3009                     prop_atoms.net_wm_state_add;
3010             else if (state == prop_atoms.net_wm_state_shaded)
3011                 action = shaded ? prop_atoms.net_wm_state_remove :
3012                     prop_atoms.net_wm_state_add;
3013             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3014                 action = self->skip_taskbar ?
3015                     prop_atoms.net_wm_state_remove :
3016                     prop_atoms.net_wm_state_add;
3017             else if (state == prop_atoms.net_wm_state_skip_pager)
3018                 action = self->skip_pager ?
3019                     prop_atoms.net_wm_state_remove :
3020                     prop_atoms.net_wm_state_add;
3021             else if (state == prop_atoms.net_wm_state_hidden)
3022                 action = self->iconic ?
3023                     prop_atoms.net_wm_state_remove :
3024                     prop_atoms.net_wm_state_add;
3025             else if (state == prop_atoms.net_wm_state_fullscreen)
3026                 action = fullscreen ?
3027                     prop_atoms.net_wm_state_remove :
3028                     prop_atoms.net_wm_state_add;
3029             else if (state == prop_atoms.net_wm_state_above)
3030                 action = self->above ? prop_atoms.net_wm_state_remove :
3031                     prop_atoms.net_wm_state_add;
3032             else if (state == prop_atoms.net_wm_state_below)
3033                 action = self->below ? prop_atoms.net_wm_state_remove :
3034                     prop_atoms.net_wm_state_add;
3035             else if (state == prop_atoms.net_wm_state_demands_attention)
3036                 action = self->demands_attention ?
3037                     prop_atoms.net_wm_state_remove :
3038                     prop_atoms.net_wm_state_add;
3039             else if (state == prop_atoms.ob_wm_state_undecorated)
3040                 action = undecorated ? prop_atoms.net_wm_state_remove :
3041                     prop_atoms.net_wm_state_add;
3042         }
3043
3044         if (action == prop_atoms.net_wm_state_add) {
3045             if (state == prop_atoms.net_wm_state_modal) {
3046                 modal = TRUE;
3047             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3048                 max_vert = TRUE;
3049             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3050                 max_horz = TRUE;
3051             } else if (state == prop_atoms.net_wm_state_shaded) {
3052                 shaded = TRUE;
3053             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3054                 self->skip_taskbar = TRUE;
3055             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3056                 self->skip_pager = TRUE;
3057             } else if (state == prop_atoms.net_wm_state_hidden) {
3058                 iconic = TRUE;
3059             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3060                 fullscreen = TRUE;
3061             } else if (state == prop_atoms.net_wm_state_above) {
3062                 self->above = TRUE;
3063                 self->below = FALSE;
3064             } else if (state == prop_atoms.net_wm_state_below) {
3065                 self->above = FALSE;
3066                 self->below = TRUE;
3067             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3068                 demands_attention = TRUE;
3069             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3070                 undecorated = TRUE;
3071             }
3072
3073         } else { /* action == prop_atoms.net_wm_state_remove */
3074             if (state == prop_atoms.net_wm_state_modal) {
3075                 modal = FALSE;
3076             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3077                 max_vert = FALSE;
3078             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3079                 max_horz = FALSE;
3080             } else if (state == prop_atoms.net_wm_state_shaded) {
3081                 shaded = FALSE;
3082             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3083                 self->skip_taskbar = FALSE;
3084             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3085                 self->skip_pager = FALSE;
3086             } else if (state == prop_atoms.net_wm_state_hidden) {
3087                 iconic = FALSE;
3088             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3089                 fullscreen = FALSE;
3090             } else if (state == prop_atoms.net_wm_state_above) {
3091                 self->above = FALSE;
3092             } else if (state == prop_atoms.net_wm_state_below) {
3093                 self->below = FALSE;
3094             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3095                 demands_attention = FALSE;
3096             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3097                 undecorated = FALSE;
3098             }
3099         }
3100     }
3101     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3102         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3103             /* toggling both */
3104             if (max_horz == max_vert) { /* both going the same way */
3105                 client_maximize(self, max_horz, 0);
3106             } else {
3107                 client_maximize(self, max_horz, 1);
3108                 client_maximize(self, max_vert, 2);
3109             }
3110         } else {
3111             /* toggling one */
3112             if (max_horz != self->max_horz)
3113                 client_maximize(self, max_horz, 1);
3114             else
3115                 client_maximize(self, max_vert, 2);
3116         }
3117     }
3118     /* change fullscreen state before shading, as it will affect if the window
3119        can shade or not */
3120     if (fullscreen != self->fullscreen)
3121         client_fullscreen(self, fullscreen);
3122     if (shaded != self->shaded)
3123         client_shade(self, shaded);
3124     if (undecorated != self->undecorated)
3125         client_set_undecorated(self, undecorated);
3126     if (modal != self->modal) {
3127         self->modal = modal;
3128         /* when a window changes modality, then its stacking order with its
3129            transients needs to change */
3130         client_raise(self);
3131     }
3132     if (iconic != self->iconic)
3133         client_iconify(self, iconic, FALSE);
3134
3135     if (demands_attention != self->demands_attention)
3136         client_hilite(self, demands_attention);
3137
3138     client_change_state(self); /* change the hint to reflect these changes */
3139 }
3140
3141 ObClient *client_focus_target(ObClient *self)
3142 {
3143     ObClient *child = NULL;
3144
3145     child = client_search_modal_child(self);
3146     if (child) return child;
3147     return self;
3148 }
3149
3150 gboolean client_can_focus(ObClient *self)
3151 {
3152     XEvent ev;
3153
3154     /* choose the correct target */
3155     self = client_focus_target(self);
3156
3157     if (!self->frame->visible)
3158         return FALSE;
3159
3160     if (!(self->can_focus || self->focus_notify))
3161         return FALSE;
3162
3163     /* do a check to see if the window has already been unmapped or destroyed
3164        do this intelligently while watching out for unmaps we've generated
3165        (ignore_unmaps > 0) */
3166     if (XCheckTypedWindowEvent(ob_display, self->window,
3167                                DestroyNotify, &ev)) {
3168         XPutBackEvent(ob_display, &ev);
3169         return FALSE;
3170     }
3171     while (XCheckTypedWindowEvent(ob_display, self->window,
3172                                   UnmapNotify, &ev)) {
3173         if (self->ignore_unmaps) {
3174             self->ignore_unmaps--;
3175         } else {
3176             XPutBackEvent(ob_display, &ev);
3177             return FALSE;
3178         }
3179     }
3180
3181     return TRUE;
3182 }
3183
3184 gboolean client_focus(ObClient *self)
3185 {
3186     /* choose the correct target */
3187     self = client_focus_target(self);
3188
3189     if (!client_can_focus(self)) {
3190         if (!self->frame->visible) {
3191             /* update the focus lists */
3192             focus_order_to_top(self);
3193         }
3194         return FALSE;
3195     }
3196
3197     ob_debug_type(OB_DEBUG_FOCUS,
3198                   "Focusing client \"%s\" at time %u\n",
3199                   self->title, event_curtime);
3200
3201     if (self->can_focus) {
3202         /* This can cause a BadMatch error with CurrentTime, or if an app
3203            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3204         xerror_set_ignore(TRUE);
3205         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3206                        event_curtime);
3207         xerror_set_ignore(FALSE);
3208     }
3209
3210     if (self->focus_notify) {
3211         XEvent ce;
3212         ce.xclient.type = ClientMessage;
3213         ce.xclient.message_type = prop_atoms.wm_protocols;
3214         ce.xclient.display = ob_display;
3215         ce.xclient.window = self->window;
3216         ce.xclient.format = 32;
3217         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3218         ce.xclient.data.l[1] = event_curtime;
3219         ce.xclient.data.l[2] = 0l;
3220         ce.xclient.data.l[3] = 0l;
3221         ce.xclient.data.l[4] = 0l;
3222         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3223     }
3224
3225 #ifdef DEBUG_FOCUS
3226     ob_debug("%sively focusing %lx at %d\n",
3227              (self->can_focus ? "act" : "pass"),
3228              self->window, (gint) event_curtime);
3229 #endif
3230
3231     /* Cause the FocusIn to come back to us. Important for desktop switches,
3232        since otherwise we'll have no FocusIn on the queue and send it off to
3233        the focus_backup. */
3234     XSync(ob_display, FALSE);
3235     return TRUE;
3236 }
3237
3238 void client_activate(ObClient *self, gboolean here, gboolean user)
3239 {
3240     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3241
3242     /* XXX do some stuff here if user is false to determine if we really want
3243        to activate it or not (a parent or group member is currently
3244        active)?
3245     */
3246     ob_debug_type(OB_DEBUG_FOCUS,
3247                   "Want to activate window 0x%x with time %u (last time %u), "
3248                   "source=%s\n",
3249                   self->window, event_curtime, last_time,
3250                   (user ? "user" : "application"));
3251
3252     if (!user && event_curtime && last_time &&
3253         !event_time_after(event_curtime, last_time))
3254     {
3255         client_hilite(self, TRUE);
3256     } else {
3257         if (event_curtime != CurrentTime)
3258             self->user_time = event_curtime;
3259
3260         /* if using focus_delay, stop the timer now so that focus doesn't
3261            go moving on us */
3262         event_halt_focus_delay();
3263
3264         if (client_normal(self) && screen_showing_desktop)
3265             screen_show_desktop(FALSE);
3266         if (self->iconic)
3267             client_iconify(self, FALSE, here);
3268         if (self->desktop != DESKTOP_ALL &&
3269             self->desktop != screen_desktop)
3270         {
3271             if (here)
3272                 client_set_desktop(self, screen_desktop, FALSE);
3273             else
3274                 screen_set_desktop(self->desktop);
3275         } else if (!self->frame->visible)
3276             /* if its not visible for other reasons, then don't mess
3277                with it */
3278             return;
3279         if (self->shaded)
3280             client_shade(self, FALSE);
3281
3282         client_focus(self);
3283
3284         /* we do this as an action here. this is rather important. this is
3285            because we want the results from the focus change to take place
3286            BEFORE we go about raising the window. when a fullscreen window
3287            loses focus, we need this or else the raise wont be able to raise
3288            above the to-lose-focus fullscreen window. */
3289         client_raise(self);
3290     }
3291 }
3292
3293 void client_raise(ObClient *self)
3294 {
3295     action_run_string("Raise", self, CurrentTime);
3296 }
3297
3298 void client_lower(ObClient *self)
3299 {
3300     action_run_string("Lower", self, CurrentTime);
3301 }
3302
3303 gboolean client_focused(ObClient *self)
3304 {
3305     return self == focus_client;
3306 }
3307
3308 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3309 {
3310     guint i;
3311     /* si is the smallest image >= req */
3312     /* li is the largest image < req */
3313     gulong size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
3314
3315     if (!self->nicons) {
3316         ObClientIcon *parent = NULL;
3317
3318         if (self->transient_for) {
3319             if (self->transient_for != OB_TRAN_GROUP)
3320                 parent = client_icon_recursive(self->transient_for, w, h);
3321             else {
3322                 GSList *it;
3323                 for (it = self->group->members; it; it = g_slist_next(it)) {
3324                     ObClient *c = it->data;
3325                     if (c != self && !c->transient_for) {
3326                         if ((parent = client_icon_recursive(c, w, h)))
3327                             break;
3328                     }
3329                 }
3330             }
3331         }
3332
3333         return parent;
3334     }
3335
3336     for (i = 0; i < self->nicons; ++i) {
3337         size = self->icons[i].width * self->icons[i].height;
3338         if (size < smallest && size >= (unsigned)(w * h)) {
3339             smallest = size;
3340             si = i;
3341         }
3342         if (size > largest && size <= (unsigned)(w * h)) {
3343             largest = size;
3344             li = i;
3345         }
3346     }
3347     if (largest == 0) /* didnt find one smaller than the requested size */
3348         return &self->icons[si];
3349     return &self->icons[li];
3350 }
3351
3352 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3353 {
3354     ObClientIcon *ret;
3355     static ObClientIcon deficon;
3356
3357     if (!(ret = client_icon_recursive(self, w, h))) {
3358         deficon.width = deficon.height = 48;
3359         deficon.data = ob_rr_theme->def_win_icon;
3360         ret = &deficon;
3361     }
3362     return ret;
3363 }
3364
3365 void client_set_layer(ObClient *self, gint layer)
3366 {
3367     if (layer < 0) {
3368         self->below = TRUE;
3369         self->above = FALSE;
3370     } else if (layer == 0) {
3371         self->below = self->above = FALSE;
3372     } else {
3373         self->below = FALSE;
3374         self->above = TRUE;
3375     }
3376     client_calc_layer(self);
3377     client_change_state(self); /* reflect this in the state hints */
3378 }
3379
3380 void client_set_undecorated(ObClient *self, gboolean undecorated)
3381 {
3382     if (self->undecorated != undecorated) {
3383         self->undecorated = undecorated;
3384         client_setup_decor_and_functions(self);
3385         /* Make sure the client knows it might have moved. Maybe there is a
3386          * better way of doing this so only one client_configure is sent, but
3387          * since 125 of these are sent per second when moving the window (with
3388          * user = FALSE) i doubt it matters much.
3389          */
3390         client_configure(self, self->area.x, self->area.y,
3391                          self->area.width, self->area.height, TRUE, TRUE);
3392         client_change_state(self); /* reflect this in the state hints */
3393     }
3394 }
3395
3396 guint client_monitor(ObClient *self)
3397 {
3398     return screen_find_monitor(&self->frame->area);
3399 }
3400
3401 ObClient *client_search_top_parent(ObClient *self)
3402 {
3403     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3404            client_normal(self))
3405         self = self->transient_for;
3406     return self;
3407 }
3408
3409 GSList *client_search_all_top_parents(ObClient *self)
3410 {
3411     GSList *ret = NULL;
3412
3413     /* move up the direct transient chain as far as possible */
3414     while (self->transient_for && self->transient_for != OB_TRAN_GROUP)
3415         self = self->transient_for;
3416
3417     if (!self->transient_for)
3418         ret = g_slist_prepend(ret, self);
3419     else {
3420             GSList *it;
3421
3422             g_assert(self->group);
3423
3424             for (it = self->group->members; it; it = g_slist_next(it)) {
3425                 ObClient *c = it->data;
3426
3427                 if (!c->transient_for && client_normal(c))
3428                     ret = g_slist_prepend(ret, c);
3429             }
3430
3431             if (ret == NULL) /* no group parents */
3432                 ret = g_slist_prepend(ret, self);
3433     }
3434
3435     return ret;
3436 }
3437
3438 ObClient *client_search_focus_parent(ObClient *self)
3439 {
3440     if (self->transient_for) {
3441         if (self->transient_for != OB_TRAN_GROUP) {
3442             if (client_focused(self->transient_for))
3443                 return self->transient_for;
3444         } else {
3445             GSList *it;
3446
3447             for (it = self->group->members; it; it = g_slist_next(it)) {
3448                 ObClient *c = it->data;
3449
3450                 /* checking transient_for prevents infinate loops! */
3451                 if (c != self && !c->transient_for)
3452                     if (client_focused(c))
3453                         return c;
3454             }
3455         }
3456     }
3457
3458     return NULL;
3459 }
3460
3461 ObClient *client_search_parent(ObClient *self, ObClient *search)
3462 {
3463     if (self->transient_for) {
3464         if (self->transient_for != OB_TRAN_GROUP) {
3465             if (self->transient_for == search)
3466                 return search;
3467         } else {
3468             GSList *it;
3469
3470             for (it = self->group->members; it; it = g_slist_next(it)) {
3471                 ObClient *c = it->data;
3472
3473                 /* checking transient_for prevents infinate loops! */
3474                 if (c != self && !c->transient_for)
3475                     if (c == search)
3476                         return search;
3477             }
3478         }
3479     }
3480
3481     return NULL;
3482 }
3483
3484 ObClient *client_search_transient(ObClient *self, ObClient *search)
3485 {
3486     GSList *sit;
3487
3488     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3489         if (sit->data == search)
3490             return search;
3491         if (client_search_transient(sit->data, search))
3492             return search;
3493     }
3494     return NULL;
3495 }
3496
3497 void client_update_sm_client_id(ObClient *self)
3498 {
3499     g_free(self->sm_client_id);
3500     self->sm_client_id = NULL;
3501
3502     if (!PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id) &&
3503         self->group)
3504         PROP_GETS(self->group->leader, sm_client_id, locale,
3505                   &self->sm_client_id);
3506 }
3507
3508 #define WANT_EDGE(cur, c) \
3509             if(cur == c)                                                      \
3510                 continue;                                                     \
3511             if(!client_normal(cur))                                   \
3512                 continue;                                                     \
3513             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3514                 continue;                                                     \
3515             if(cur->iconic)                                                   \
3516                 continue;                                                     \
3517             if(cur->layer < c->layer && !config_resist_layers_below)          \
3518                 continue;
3519
3520 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3521             if ((his_edge_start >= my_edge_start && \
3522                  his_edge_start <= my_edge_end) ||  \
3523                 (my_edge_start >= his_edge_start && \
3524                  my_edge_start <= his_edge_end))    \
3525                 dest = his_offset;
3526
3527 /* finds the nearest edge in the given direction from the current client
3528  * note to self: the edge is the -frame- edge (the actual one), not the
3529  * client edge.
3530  */
3531 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3532 {
3533     gint dest, monitor_dest;
3534     gint my_edge_start, my_edge_end, my_offset;
3535     GList *it;
3536     Rect *a, *monitor;
3537
3538     if(!client_list)
3539         return -1;
3540
3541     a = screen_area(c->desktop);
3542     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3543
3544     switch(dir) {
3545     case OB_DIRECTION_NORTH:
3546         my_edge_start = c->frame->area.x;
3547         my_edge_end = c->frame->area.x + c->frame->area.width;
3548         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3549
3550         /* default: top of screen */
3551         dest = a->y + (hang ? c->frame->area.height : 0);
3552         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3553         /* if the monitor edge comes before the screen edge, */
3554         /* use that as the destination instead. (For xinerama) */
3555         if (monitor_dest != dest && my_offset > monitor_dest)
3556             dest = monitor_dest;
3557
3558         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3559             gint his_edge_start, his_edge_end, his_offset;
3560             ObClient *cur = it->data;
3561
3562             WANT_EDGE(cur, c)
3563
3564             his_edge_start = cur->frame->area.x;
3565             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3566             his_offset = cur->frame->area.y +
3567                          (hang ? 0 : cur->frame->area.height);
3568
3569             if(his_offset + 1 > my_offset)
3570                 continue;
3571
3572             if(his_offset < dest)
3573                 continue;
3574
3575             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3576         }
3577         break;
3578     case OB_DIRECTION_SOUTH:
3579         my_edge_start = c->frame->area.x;
3580         my_edge_end = c->frame->area.x + c->frame->area.width;
3581         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3582
3583         /* default: bottom of screen */
3584         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3585         monitor_dest = monitor->y + monitor->height -
3586                        (hang ? c->frame->area.height : 0);
3587         /* if the monitor edge comes before the screen edge, */
3588         /* use that as the destination instead. (For xinerama) */
3589         if (monitor_dest != dest && my_offset < monitor_dest)
3590             dest = monitor_dest;
3591
3592         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3593             gint his_edge_start, his_edge_end, his_offset;
3594             ObClient *cur = it->data;
3595
3596             WANT_EDGE(cur, c)
3597
3598             his_edge_start = cur->frame->area.x;
3599             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3600             his_offset = cur->frame->area.y +
3601                          (hang ? cur->frame->area.height : 0);
3602
3603
3604             if(his_offset - 1 < my_offset)
3605                 continue;
3606
3607             if(his_offset > dest)
3608                 continue;
3609
3610             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3611         }
3612         break;
3613     case OB_DIRECTION_WEST:
3614         my_edge_start = c->frame->area.y;
3615         my_edge_end = c->frame->area.y + c->frame->area.height;
3616         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3617
3618         /* default: leftmost egde of screen */
3619         dest = a->x + (hang ? c->frame->area.width : 0);
3620         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3621         /* if the monitor edge comes before the screen edge, */
3622         /* use that as the destination instead. (For xinerama) */
3623         if (monitor_dest != dest && my_offset > monitor_dest)
3624             dest = monitor_dest;
3625
3626         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3627             gint his_edge_start, his_edge_end, his_offset;
3628             ObClient *cur = it->data;
3629
3630             WANT_EDGE(cur, c)
3631
3632             his_edge_start = cur->frame->area.y;
3633             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3634             his_offset = cur->frame->area.x +
3635                          (hang ? 0 : cur->frame->area.width);
3636
3637             if(his_offset + 1 > my_offset)
3638                 continue;
3639
3640             if(his_offset < dest)
3641                 continue;
3642
3643             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3644         }
3645        break;
3646     case OB_DIRECTION_EAST:
3647         my_edge_start = c->frame->area.y;
3648         my_edge_end = c->frame->area.y + c->frame->area.height;
3649         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3650
3651         /* default: rightmost edge of screen */
3652         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3653         monitor_dest = monitor->x + monitor->width -
3654                        (hang ? c->frame->area.width : 0);
3655         /* if the monitor edge comes before the screen edge, */
3656         /* use that as the destination instead. (For xinerama) */
3657         if (monitor_dest != dest && my_offset < monitor_dest)
3658             dest = monitor_dest;
3659
3660         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3661             gint his_edge_start, his_edge_end, his_offset;
3662             ObClient *cur = it->data;
3663
3664             WANT_EDGE(cur, c)
3665
3666             his_edge_start = cur->frame->area.y;
3667             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3668             his_offset = cur->frame->area.x +
3669                          (hang ? cur->frame->area.width : 0);
3670
3671             if(his_offset - 1 < my_offset)
3672                 continue;
3673
3674             if(his_offset > dest)
3675                 continue;
3676
3677             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3678         }
3679         break;
3680     case OB_DIRECTION_NORTHEAST:
3681     case OB_DIRECTION_SOUTHEAST:
3682     case OB_DIRECTION_NORTHWEST:
3683     case OB_DIRECTION_SOUTHWEST:
3684         /* not implemented */
3685     default:
3686         g_assert_not_reached();
3687         dest = 0; /* suppress warning */
3688     }
3689     return dest;
3690 }
3691
3692 ObClient* client_under_pointer()
3693 {
3694     gint x, y;
3695     GList *it;
3696     ObClient *ret = NULL;
3697
3698     if (screen_pointer_pos(&x, &y)) {
3699         for (it = stacking_list; it; it = g_list_next(it)) {
3700             if (WINDOW_IS_CLIENT(it->data)) {
3701                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3702                 if (c->frame->visible &&
3703                     RECT_CONTAINS(c->frame->area, x, y)) {
3704                     ret = c;
3705                     break;
3706                 }
3707             }
3708         }
3709     }
3710     return ret;
3711 }
3712
3713 gboolean client_has_group_siblings(ObClient *self)
3714 {
3715     return self->group && self->group->members->next;
3716 }
3717
3718 gboolean client_has_application_group_siblings(ObClient *self)
3719 {
3720     GSList *it;
3721
3722     if (!self->group) return FALSE;
3723
3724     for (it = self->group->members; it; it = g_slist_next(it)) {
3725         ObClient *c = it->data;
3726         if (c != self && client_application(c))
3727             return TRUE;
3728     }
3729     return FALSE;
3730 }