openbox/client.c

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