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 static GSList *client_hide_notifies    = NULL;
  69
  70 static void client_get_all(ObClient *self, gboolean real);
  71 static void client_toggle_border(ObClient *self, gboolean show);
  72 static void client_get_startup_id(ObClient *self);
  73 static void client_get_session_ids(ObClient *self);
  74 static void client_get_area(ObClient *self);
  75 static void client_get_desktop(ObClient *self);
  76 static void client_get_state(ObClient *self);
  77 static void client_get_shaped(ObClient *self);
  78 static void client_get_mwm_hints(ObClient *self);
  79 static void client_get_colormap(ObClient *self);
  80 static void client_change_allowed_actions(ObClient *self);
  81 static void client_change_state(ObClient *self);
  82 static void client_change_wm_state(ObClient *self);
  83 static void client_apply_startup_state(ObClient *self);
  84 static void client_restore_session_state(ObClient *self);
  85 static gboolean client_restore_session_stacking(ObClient *self);
  86 static ObAppSettings *client_get_settings_state(ObClient *self);
  87 static void client_update_transient_tree(ObClient *self,
  88                                          ObGroup *oldgroup, ObGroup *newgroup,
  89                                          ObClient* oldparent,
  90                                          ObClient *newparent);
  91 static void client_present(ObClient *self, gboolean here, gboolean raise);
  92 static GSList *client_search_all_top_parents_internal(ObClient *self,
  93                                                       gboolean bylayer,
  94                                                       ObStackingLayer layer);
  95 static void client_call_notifies(ObClient *self, GSList *list);
  96
  97 void client_startup(gboolean reconfig)
  98 {
  99     if (reconfig) return;
 100
 101     client_set_list();
 102 }
 103
 104 void client_shutdown(gboolean reconfig)
 105 {
 106     if (reconfig) return;
 107 }
 108
 109 static void client_call_notifies(ObClient *self, GSList *list)
 110 {
 111     GSList *it;
 112
 113     for (it = list; it; it = g_slist_next(it)) {
 114         ClientCallback *d = it->data;
 115         d->func(self, d->data);
 116     }
 117 }
 118
 119 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 120 {
 121     ClientCallback *d = g_new(ClientCallback, 1);
 122     d->func = func;
 123     d->data = data;
 124     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 125 }
 126
 127 void client_remove_destroy_notify(ObClientCallback func)
 128 {
 129     GSList *it;
 130
 131     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 132         ClientCallback *d = it->data;
 133         if (d->func == func) {
 134             g_free(d);
 135             client_destroy_notifies =
 136                 g_slist_delete_link(client_destroy_notifies, it);
 137             break;
 138         }
 139     }
 140 }
 141
 142 void client_add_hide_notify(ObClientCallback func, gpointer data)
 143 {
 144     ClientCallback *d = g_new(ClientCallback, 1);
 145     d->func = func;
 146     d->data = data;
 147     client_hide_notifies = g_slist_prepend(client_hide_notifies, d);
 148 }
 149
 150 void client_remove_hide_notify(ObClientCallback func)
 151 {
 152     GSList *it;
 153
 154     for (it = client_hide_notifies; it; it = g_slist_next(it)) {
 155         ClientCallback *d = it->data;
 156         if (d->func == func) {
 157             g_free(d);
 158             client_hide_notifies =
 159                 g_slist_delete_link(client_hide_notifies, it);
 160             break;
 161         }
 162     }
 163 }
 164
 165 void client_set_list()
 166 {
 167     Window *windows, *win_it;
 168     GList *it;
 169     guint size = g_list_length(client_list);
 170
 171     /* create an array of the window ids */
 172     if (size > 0) {
 173         windows = g_new(Window, size);
 174         win_it = windows;
 175         for (it = client_list; it; it = g_list_next(it), ++win_it)
 176             *win_it = ((ObClient*)it->data)->window;
 177     } else
 178         windows = NULL;
 179
 180     PROP_SETA32(RootWindow(ob_display, ob_screen),
 181                 net_client_list, window, (gulong*)windows, size);
 182
 183     if (windows)
 184         g_free(windows);
 185
 186     stacking_set_list();
 187 }
 188
 189 /*
 190   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 191   {
 192   GSList *it;
 193
 194   for (it = self->transients; it; it = g_slist_next(it)) {
 195   if (!func(it->data, data)) return;
 196   client_foreach_transient(it->data, func, data);
 197   }
 198   }
 199
 200   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 201   {
 202   if (self->transient_for) {
 203   if (self->transient_for != OB_TRAN_GROUP) {
 204   if (!func(self->transient_for, data)) return;
 205   client_foreach_ancestor(self->transient_for, func, data);
 206   } else {
 207   GSList *it;
 208
 209   for (it = self->group->members; it; it = g_slist_next(it))
 210   if (it->data != self &&
 211   !((ObClient*)it->data)->transient_for) {
 212   if (!func(it->data, data)) return;
 213   client_foreach_ancestor(it->data, func, data);
 214   }
 215   }
 216   }
 217   }
 218 */
 219
 220 void client_manage_all()
 221 {
 222     guint i, j, nchild;
 223     Window w, *children;
 224     XWMHints *wmhints;
 225     XWindowAttributes attrib;
 226
 227     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 228                &w, &w, &children, &nchild);
 229
 230     /* remove all icon windows from the list */
 231     for (i = 0; i < nchild; i++) {
 232         if (children[i] == None) continue;
 233         wmhints = XGetWMHints(ob_display, children[i]);
 234         if (wmhints) {
 235             if ((wmhints->flags & IconWindowHint) &&
 236                 (wmhints->icon_window != children[i]))
 237                 for (j = 0; j < nchild; j++)
 238                     if (children[j] == wmhints->icon_window) {
 239                         children[j] = None;
 240                         break;
 241                     }
 242             XFree(wmhints);
 243         }
 244     }
 245
 246     for (i = 0; i < nchild; ++i) {
 247         if (children[i] == None)
 248             continue;
 249         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 250             if (attrib.override_redirect) continue;
 251
 252             if (attrib.map_state != IsUnmapped)
 253                 client_manage(children[i]);
 254         }
 255     }
 256     XFree(children);
 257 }
 258
 259 void client_manage(Window window)
 260 {
 261     ObClient *self;
 262     XEvent e;
 263     XWindowAttributes attrib;
 264     XSetWindowAttributes attrib_set;
 265     XWMHints *wmhint;
 266     gboolean activate = FALSE;
 267     ObAppSettings *settings;
 268
 269     grab_server(TRUE);
 270
 271     /* check if it has already been unmapped by the time we started
 272        mapping. the grab does a sync so we don't have to here */
 273     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 274         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 275     {
 276         XPutBackEvent(ob_display, &e);
 277
 278         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 279         grab_server(FALSE);
 280         return; /* don't manage it */
 281     }
 282
 283     /* make sure it isn't an override-redirect window */
 284     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 285         attrib.override_redirect)
 286     {
 287         grab_server(FALSE);
 288         return; /* don't manage it */
 289     }
 290
 291     /* is the window a docking app */
 292     if ((wmhint = XGetWMHints(ob_display, window))) {
 293         if ((wmhint->flags & StateHint) &&
 294             wmhint->initial_state == WithdrawnState)
 295         {
 296             dock_add(window, wmhint);
 297             grab_server(FALSE);
 298             XFree(wmhint);
 299             return;
 300         }
 301         XFree(wmhint);
 302     }
 303
 304     ob_debug("Managing window: %lx\n", window);
 305
 306     /* choose the events we want to receive on the CLIENT window */
 307     attrib_set.event_mask = CLIENT_EVENTMASK;
 308     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 309     XChangeWindowAttributes(ob_display, window,
 310                             CWEventMask|CWDontPropagate, &attrib_set);
 311
 312     /* create the ObClient struct, and populate it from the hints on the
 313        window */
 314     self = g_new0(ObClient, 1);
 315     self->obwin.type = Window_Client;
 316     self->window = window;
 317
 318     /* non-zero defaults */
 319     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 320     self->gravity = NorthWestGravity;
 321     self->desktop = screen_num_desktops; /* always an invalid value */
 322     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 323
 324     /* get all the stuff off the window */
 325     client_get_all(self, TRUE);
 326
 327     /* specify that if we exit, the window should not be destroyed and
 328        should be reparented back to root automatically */
 329     XChangeSaveSet(ob_display, window, SetModeInsert);
 330
 331     /* create the decoration frame for the client window */
 332     self->frame = frame_new(self);
 333
 334     frame_grab_client(self->frame);
 335
 336     /* we've grabbed everything and set everything that we need to at mapping
 337        time now */
 338     grab_server(FALSE);
 339
 340     /* per-app settings override stuff from client_get_all, and return the
 341        settings for other uses too */
 342     settings = client_get_settings_state(self);
 343     /* the session should get the last say thought */
 344     client_restore_session_state(self);
 345
 346     /* now we have all of the window's information so we can set this up */
 347     client_setup_decor_and_functions(self);
 348
 349     /* remove the client's border (and adjust re gravity) */
 350     client_toggle_border(self, FALSE);
 351
 352     {
 353         Time t = sn_app_started(self->startup_id, self->class);
 354         if (t) self->user_time = t;
 355     }
 356
 357     /* do this after we have a frame.. it uses the frame to help determine the
 358        WM_STATE to apply. */
 359     client_change_state(self);
 360
 361     /* add ourselves to the focus order */
 362     focus_order_add_new(self);
 363
 364     /* do this to add ourselves to the stacking list in a non-intrusive way */
 365     client_calc_layer(self);
 366
 367     /* focus the new window? */
 368     if (ob_state() != OB_STATE_STARTING &&
 369         (!self->session || self->session->focused) &&
 370         !self->iconic &&
 371         /* this means focus=true for window is same as config_focus_new=true */
 372         ((config_focus_new || (settings && settings->focus == 1)) ||
 373          client_search_focus_parent(self)) &&
 374         /* this checks for focus=false for the window */
 375         (!settings || settings->focus != 0) &&
 376         /* note the check against Type_Normal/Dialog, not client_normal(self),
 377            which would also include other types. in this case we want more
 378            strict rules for focus */
 379         (self->type == OB_CLIENT_TYPE_NORMAL ||
 380          self->type == OB_CLIENT_TYPE_DIALOG))
 381     {
 382         activate = TRUE;
 383     }
 384
 385     /* figure out placement for the window */
 386     if (ob_state() == OB_STATE_RUNNING) {
 387         gboolean transient;
 388
 389         ob_debug("Positioned: %s @ %d %d\n",
 390                  (!self->positioned ? "no" :
 391                   (self->positioned == PPosition ? "program specified" :
 392                    (self->positioned == USPosition ? "user specified" :
 393                     "BADNESS !?"))), self->area.x, self->area.y);
 394
 395         transient = place_client(self, &self->area.x, &self->area.y, settings);
 396
 397         /* make sure the window is visible. */
 398         client_find_onscreen(self, &self->area.x, &self->area.y,
 399                              self->area.width, self->area.height,
 400                              /* non-normal clients has less rules, and
 401                                 windows that are being restored from a
 402                                 session do also. we can assume you want
 403                                 it back where you saved it. Clients saying
 404                                 they placed themselves are subjected to
 405                                 harder rules, ones that are placed by
 406                                 place.c or by the user are allowed partially
 407                                 off-screen and on xinerama divides (ie,
 408                                 it is up to the placement routines to avoid
 409                                 the xinerama divides) */
 410                              transient ||
 411                              (((self->positioned & PPosition) &&
 412                                !(self->positioned & USPosition)) &&
 413                               client_normal(self) &&
 414                               !self->session));
 415     }
 416
 417     /* do this after the window is placed, so the premax/prefullscreen numbers
 418        won't be all wacko!!
 419        also, this moves the window to the position where it has been placed
 420     */
 421     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 422              self->window, self->area.x, self->area.y,
 423              self->area.width, self->area.height);
 424     if (self->session)
 425         ob_debug("  but session requested %d %d instead, overriding\n",
 426                  self->session->x, self->session->y);
 427
 428     /* generate a ConfigureNotify telling the client where it is */
 429     client_configure_full(self, self->area.x, self->area.y,
 430                           self->area.width, self->area.height,
 431                           FALSE, TRUE);
 432
 433     client_apply_startup_state(self);
 434
 435     mouse_grab_for_client(self, TRUE);
 436
 437     if (activate) {
 438         guint32 last_time = focus_client ?
 439             focus_client->user_time : CurrentTime;
 440
 441         /* This is focus stealing prevention */
 442         ob_debug_type(OB_DEBUG_FOCUS,
 443                       "Want to focus new window 0x%x with time %u "
 444                       "(last time %u)\n",
 445                       self->window, self->user_time, last_time);
 446
 447         /* if it's on another desktop */
 448         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 449             && /* the timestamp is from before you changed desktops */
 450             self->user_time && screen_desktop_user_time &&
 451             !event_time_after(self->user_time, screen_desktop_user_time))
 452         {
 453             activate = FALSE;
 454             ob_debug_type(OB_DEBUG_FOCUS,
 455                           "Not focusing the window because its on another "
 456                           "desktop\n");
 457         }
 458         /* If something is focused, and it's not our parent... */
 459         else if (focus_client && client_search_focus_parent(self) == NULL)
 460         {
 461             /* If time stamp is old, don't steal focus */
 462             if (self->user_time && last_time &&
 463                 !event_time_after(self->user_time, last_time))
 464             {
 465                 activate = FALSE;
 466                 ob_debug_type(OB_DEBUG_FOCUS,
 467                               "Not focusing the window because the time is "
 468                               "too old\n");
 469             }
 470             /* Don't steal focus from globally active clients.
 471                I stole this idea from KWin. It seems nice.
 472              */
 473             if (!(focus_client->can_focus || focus_client->focus_notify)) {
 474                 activate = FALSE;
 475                 ob_debug_type(OB_DEBUG_FOCUS,
 476                               "Not focusing the window because a globally "
 477                               "active client has focus\n");
 478             }
 479         }
 480
 481         if (!activate) {
 482             ob_debug_type(OB_DEBUG_FOCUS,
 483                           "Focus stealing prevention activated for %s with "
 484                           "time %u (last time %u)\n",
 485                           self->title, self->user_time, last_time);
 486             /* if the client isn't focused, then hilite it so the user
 487                knows it is there */
 488             client_hilite(self, TRUE);
 489         }
 490     }
 491     else {
 492         /* This may look rather odd. Well it's because new windows are added
 493            to the stacking order non-intrusively. If we're not going to focus
 494            the new window or hilite it, then we raise it to the top. This will
 495            take affect for things that don't get focused like splash screens.
 496            Also if you don't have focus_new enabled, then it's going to get
 497            raised to the top. Legacy begets legacy I guess?
 498         */
 499         if (!client_restore_session_stacking(self))
 500             stacking_raise(CLIENT_AS_WINDOW(self));
 501     }
 502
 503     /* adjust the frame to the client's size before showing the window */
 504     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 505     frame_adjust_client_area(self->frame);
 506
 507     /* this has to happen before we try focus the window, but we want it to
 508        happen after the client's stacking has been determined or it looks bad
 509     */
 510     client_show(self);
 511
 512     if (activate) {
 513         gboolean stacked = client_restore_session_stacking(self);
 514         client_present(self, FALSE, !stacked);
 515     }
 516
 517     /* add to client list/map */
 518     client_list = g_list_append(client_list, self);
 519     g_hash_table_insert(window_map, &self->window, self);
 520
 521     /* this has to happen after we're in the client_list */
 522     if (STRUT_EXISTS(self->strut))
 523         screen_update_areas();
 524
 525     /* update the list hints */
 526     client_set_list();
 527
 528     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 529              window, self->frame->plate, self->class);
 530
 531     return;
 532 }
 533
 534
 535 ObClient *client_fake_manage(Window window)
 536 {
 537     ObClient *self;
 538     ObAppSettings *settings;
 539
 540     ob_debug("Pretend-managing window: %lx\n", window);
 541
 542     /* do this minimal stuff to figure out the client's decorations */
 543
 544     self = g_new0(ObClient, 1);
 545     self->window = window;
 546
 547     client_get_all(self, FALSE);
 548     /* per-app settings override stuff, and return the settings for other
 549        uses too */
 550     settings = client_get_settings_state(self);
 551
 552     client_setup_decor_and_functions(self);
 553
 554     /* create the decoration frame for the client window and adjust its size */
 555     self->frame = frame_new(self);
 556     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 557     return self;
 558 }
 559
 560 void client_unmanage_all()
 561 {
 562     while (client_list != NULL)
 563         client_unmanage(client_list->data);
 564 }
 565
 566 void client_unmanage(ObClient *self)
 567 {
 568     guint j;
 569     GSList *it;
 570
 571     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 572              self->window, self->frame->plate,
 573              self->class, self->title ? self->title : "");
 574
 575     g_assert(self != NULL);
 576
 577     /* we dont want events no more. do this before hiding the frame so we
 578        don't generate more events */
 579     XSelectInput(ob_display, self->window, NoEventMask);
 580
 581     frame_hide(self->frame);
 582     /* flush to send the hide to the server quickly */
 583     XFlush(ob_display);
 584
 585     /* ignore enter events from the unmap so it doesnt mess with the
 586        focus */
 587     event_ignore_queued_enters();
 588
 589     mouse_grab_for_client(self, FALSE);
 590
 591     /* remove the window from our save set */
 592     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 593
 594     /* kill the property windows */
 595     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 596
 597     /* update the focus lists */
 598     focus_order_remove(self);
 599     if (client_focused(self)) {
 600         /* don't leave an invalid focus_client */
 601         focus_client = NULL;
 602     }
 603
 604     client_list = g_list_remove(client_list, self);
 605     stacking_remove(self);
 606     g_hash_table_remove(window_map, &self->window);
 607
 608     /* once the client is out of the list, update the struts to remove its
 609        influence */
 610     if (STRUT_EXISTS(self->strut))
 611         screen_update_areas();
 612
 613     client_call_notifies(self, client_destroy_notifies);
 614
 615     /* tell our parent(s) that we're gone */
 616     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 617         for (it = self->group->members; it; it = g_slist_next(it))
 618             if (it->data != self)
 619                 ((ObClient*)it->data)->transients =
 620                     g_slist_remove(((ObClient*)it->data)->transients,self);
 621     } else if (self->transient_for) {        /* transient of window */
 622         self->transient_for->transients =
 623             g_slist_remove(self->transient_for->transients, self);
 624     }
 625
 626     /* tell our transients that we're gone */
 627     for (it = self->transients; it; it = g_slist_next(it)) {
 628         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 629             ((ObClient*)it->data)->transient_for = NULL;
 630             client_calc_layer(it->data);
 631         }
 632     }
 633
 634     /* remove from its group */
 635     if (self->group) {
 636         group_remove(self->group, self);
 637         self->group = NULL;
 638     }
 639
 640     /* restore the window's original geometry so it is not lost */
 641     {
 642         Rect a;
 643
 644         /* give the client its border back */
 645         client_toggle_border(self, TRUE);
 646
 647         a = self->area;
 648
 649         if (self->fullscreen)
 650             a = self->pre_fullscreen_area;
 651         else if (self->max_horz || self->max_vert) {
 652             if (self->max_horz) {
 653                 a.x = self->pre_max_area.x;
 654                 a.width = self->pre_max_area.width;
 655             }
 656             if (self->max_vert) {
 657                 a.y = self->pre_max_area.y;
 658                 a.height = self->pre_max_area.height;
 659             }
 660         }
 661
 662         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 663         self->decorations = 0; /* unmanaged windows have no decor */
 664
 665         client_move_resize(self, a.x, a.y, a.width, a.height);
 666     }
 667
 668     /* reparent the window out of the frame, and free the frame */
 669     frame_release_client(self->frame);
 670     frame_free(self->frame);
 671     self->frame = NULL;
 672
 673     if (ob_state() != OB_STATE_EXITING) {
 674         /* these values should not be persisted across a window
 675            unmapping/mapping */
 676         PROP_ERASE(self->window, net_wm_desktop);
 677         PROP_ERASE(self->window, net_wm_state);
 678         PROP_ERASE(self->window, wm_state);
 679     } else {
 680         /* if we're left in an unmapped state, the client wont be mapped.
 681            this is bad, since we will no longer be managing the window on
 682            restart */
 683         XMapWindow(ob_display, self->window);
 684     }
 685
 686     /* update the list hints */
 687     client_set_list();
 688
 689     ob_debug("Unmanaged window 0x%lx\n", self->window);
 690
 691     /* free all data allocated in the client struct */
 692     g_slist_free(self->transients);
 693     for (j = 0; j < self->nicons; ++j)
 694         g_free(self->icons[j].data);
 695     if (self->nicons > 0)
 696         g_free(self->icons);
 697     g_free(self->wm_command);
 698     g_free(self->title);
 699     g_free(self->icon_title);
 700     g_free(self->name);
 701     g_free(self->class);
 702     g_free(self->role);
 703     g_free(self->client_machine);
 704     g_free(self->sm_client_id);
 705     g_free(self);
 706 }
 707
 708 void client_fake_unmanage(ObClient *self)
 709 {
 710     /* this is all that got allocated to get the decorations */
 711
 712     frame_free(self->frame);
 713     g_free(self);
 714 }
 715
 716 static ObAppSettings *client_get_settings_state(ObClient *self)
 717 {
 718     ObAppSettings *settings = NULL;
 719     GSList *it;
 720
 721     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 722         ObAppSettings *app = it->data;
 723
 724         if ((app->name && !app->class && !strcmp(app->name, self->name))
 725             || (app->class && !app->name && !strcmp(app->class, self->class))
 726             || (app->class && app->name && !strcmp(app->class, self->class)
 727                 && !strcmp(app->name, self->name)))
 728         {
 729             /* Match if no role was specified in the per app setting, or if the
 730              * string matches the beginning of the role, since apps like to set
 731              * the role to things like browser-window-23c4b2f */
 732             if (!app->role
 733                 || !strncmp(app->role, self->role, strlen(app->role)))
 734             {
 735                 ob_debug("Window matching: %s\n", app->name);
 736                 /* use this one */
 737                 settings = app;
 738                 break;
 739             }
 740         }
 741     }
 742
 743     if (settings) {
 744         if (settings->shade != -1)
 745             self->shaded = !!settings->shade;
 746         if (settings->decor != -1)
 747             self->undecorated = !settings->decor;
 748         if (settings->iconic != -1)
 749             self->iconic = !!settings->iconic;
 750         if (settings->skip_pager != -1)
 751             self->skip_pager = !!settings->skip_pager;
 752         if (settings->skip_taskbar != -1)
 753             self->skip_taskbar = !!settings->skip_taskbar;
 754
 755         if (settings->max_vert != -1)
 756             self->max_vert = !!settings->max_vert;
 757         if (settings->max_horz != -1)
 758             self->max_horz = !!settings->max_horz;
 759
 760         if (settings->fullscreen != -1)
 761             self->fullscreen = !!settings->fullscreen;
 762
 763         if (settings->desktop) {
 764             if (settings->desktop == DESKTOP_ALL)
 765                 self->desktop = settings->desktop;
 766             else if (settings->desktop > 0 &&
 767                      settings->desktop <= screen_num_desktops)
 768                 self->desktop = settings->desktop - 1;
 769         }
 770
 771         if (settings->layer == -1) {
 772             self->below = TRUE;
 773             self->above = FALSE;
 774         }
 775         else if (settings->layer == 0) {
 776             self->below = FALSE;
 777             self->above = FALSE;
 778         }
 779         else if (settings->layer == 1) {
 780             self->below = FALSE;
 781             self->above = TRUE;
 782         }
 783     }
 784     return settings;
 785 }
 786
 787 static void client_restore_session_state(ObClient *self)
 788 {
 789     GList *it;
 790
 791     ob_debug_type(OB_DEBUG_SM,
 792                   "Restore session for client %s\n", self->title);
 793
 794     if (!(it = session_state_find(self))) {
 795         ob_debug_type(OB_DEBUG_SM,
 796                       "Session data not found for client %s\n", self->title);
 797         return;
 798     }
 799
 800     self->session = it->data;
 801
 802     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 803                   self->title);
 804
 805     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 806     self->positioned = USPosition;
 807     if (self->session->w > 0)
 808         self->area.width = self->session->w;
 809     if (self->session->h > 0)
 810         self->area.height = self->session->h;
 811     XResizeWindow(ob_display, self->window,
 812                   self->area.width, self->area.height);
 813
 814     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 815                      self->session->desktop :
 816                      MIN(screen_num_desktops - 1, self->session->desktop));
 817     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 818
 819     self->shaded = self->session->shaded;
 820     self->iconic = self->session->iconic;
 821     self->skip_pager = self->session->skip_pager;
 822     self->skip_taskbar = self->session->skip_taskbar;
 823     self->fullscreen = self->session->fullscreen;
 824     self->above = self->session->above;
 825     self->below = self->session->below;
 826     self->max_horz = self->session->max_horz;
 827     self->max_vert = self->session->max_vert;
 828     self->undecorated = self->session->undecorated;
 829 }
 830
 831 static gboolean client_restore_session_stacking(ObClient *self)
 832 {
 833     GList *it, *mypos;
 834
 835     if (!self->session) return FALSE;
 836
 837     mypos = g_list_find(session_saved_state, self->session);
 838     if (!mypos) return FALSE;
 839
 840     /* start above me and look for the first client */
 841     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 842         GList *cit;
 843
 844         for (cit = client_list; cit; cit = g_list_next(cit)) {
 845             ObClient *c = cit->data;
 846             /* found a client that was in the session, so go below it */
 847             if (c->session == it->data) {
 848                 stacking_below(CLIENT_AS_WINDOW(self),
 849                                CLIENT_AS_WINDOW(cit->data));
 850                 return TRUE;
 851             }
 852         }
 853     }
 854     return FALSE;
 855 }
 856
 857 void client_move_onscreen(ObClient *self, gboolean rude)
 858 {
 859     gint x = self->area.x;
 860     gint y = self->area.y;
 861     if (client_find_onscreen(self, &x, &y,
 862                              self->area.width,
 863                              self->area.height, rude)) {
 864         client_move(self, x, y);
 865     }
 866 }
 867
 868 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 869                               gboolean rude)
 870 {
 871     Rect *mon_a, *all_a;
 872     gint ox = *x, oy = *y;
 873     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 874     gint fw, fh;
 875
 876     all_a = screen_area(self->desktop);
 877     mon_a = screen_area_monitor(self->desktop, client_monitor(self));
 878
 879     /* get where the frame would be */
 880     frame_client_gravity(self->frame, x, y, w, h);
 881
 882     /* get the requested size of the window with decorations */
 883     fw = self->frame->size.left + w + self->frame->size.right;
 884     fh = self->frame->size.top + h + self->frame->size.bottom;
 885
 886     /* This makes sure windows aren't entirely outside of the screen so you
 887        can't see them at all.
 888        It makes sure 10% of the window is on the screen at least. At don't let
 889        it move itself off the top of the screen, which would hide the titlebar
 890        on you. (The user can still do this if they want too, it's only limiting
 891        the application.
 892
 893        XXX watch for xinerama dead areas...
 894     */
 895     if (client_normal(self)) {
 896         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 897             *x = all_a->x + all_a->width - fw/10;
 898         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 899             *y = all_a->y + all_a->height - fh/10;
 900         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 901             *x = all_a->x - fw*9/10;
 902         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 903             *y = all_a->y - fw*9/10;
 904     }
 905
 906     /* If rudeness wasn't requested, then figure out of the client is currently
 907        entirely on the screen. If it is, and the position isn't changing by
 908        request, and it is enlarging, then be rude even though it wasn't
 909        requested */
 910     if (!rude) {
 911         Point oldtl, oldtr, oldbl, oldbr;
 912         Point newtl, newtr, newbl, newbr;
 913         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 914
 915         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 916         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 917                   self->frame->area.y + self->frame->area.height - 1);
 918         POINT_SET(oldtr, oldbr.x, oldtl.y);
 919         POINT_SET(oldbl, oldtl.x, oldbr.y);
 920
 921         POINT_SET(newtl, *x, *y);
 922         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 923         POINT_SET(newtr, newbr.x, newtl.y);
 924         POINT_SET(newbl, newtl.x, newbr.y);
 925
 926         /* is it moving or just resizing from some corner? */
 927         stationary_l = oldtl.x == oldtl.x;
 928         stationary_r = oldtr.x == oldtr.x;
 929         stationary_t = oldtl.y == oldtl.y;
 930         stationary_b = oldbl.y == oldbl.y;
 931
 932         /* if left edge is growing and didnt move right edge */
 933         if (stationary_r && newtl.x < oldtl.x)
 934             rudel = TRUE;
 935         /* if right edge is growing and didnt move left edge */
 936         if (stationary_l && newtr.x > oldtr.x)
 937             ruder = TRUE;
 938         /* if top edge is growing and didnt move bottom edge */
 939         if (stationary_b && newtl.y < oldtl.y)
 940             rudet = TRUE;
 941         /* if bottom edge is growing and didnt move top edge */
 942         if (stationary_t && newbl.y > oldbl.y)
 943             rudeb = TRUE;
 944     }
 945
 946     /* This here doesn't let windows even a pixel outside the struts/screen.
 947      * When called from client_manage, programs placing themselves are
 948      * forced completely onscreen, while things like
 949      * xterm -geometry resolution-width/2 will work fine. Trying to
 950      * place it completely offscreen will be handled in the above code.
 951      * Sorry for this confused comment, i am tired. */
 952     if (fw <= mon_a->width) {
 953         if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 954         if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 955             *x = mon_a->x + mon_a->width - fw;
 956     }
 957     if (fh <= mon_a->height) {
 958         if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 959         if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 960             *y = mon_a->y + mon_a->height - fh;
 961     }
 962
 963     /* get where the client should be */
 964     frame_frame_gravity(self->frame, x, y, w, h);
 965
 966     return ox != *x || oy != *y;
 967 }
 968
 969 static void client_toggle_border(ObClient *self, gboolean show)
 970 {
 971     /* adjust our idea of where the client is, based on its border. When the
 972        border is removed, the client should now be considered to be in a
 973        different position.
 974        when re-adding the border to the client, the same operation needs to be
 975        reversed. */
 976     gint oldx = self->area.x, oldy = self->area.y;
 977     gint x = oldx, y = oldy;
 978     switch(self->gravity) {
 979     default:
 980     case NorthWestGravity:
 981     case WestGravity:
 982     case SouthWestGravity:
 983         break;
 984     case NorthEastGravity:
 985     case EastGravity:
 986     case SouthEastGravity:
 987         if (show) x -= self->border_width * 2;
 988         else      x += self->border_width * 2;
 989         break;
 990     case NorthGravity:
 991     case SouthGravity:
 992     case CenterGravity:
 993     case ForgetGravity:
 994     case StaticGravity:
 995         if (show) x -= self->border_width;
 996         else      x += self->border_width;
 997         break;
 998     }
 999     switch(self->gravity) {
1000     default:
1001     case NorthWestGravity:
1002     case NorthGravity:
1003     case NorthEastGravity:
1004         break;
1005     case SouthWestGravity:
1006     case SouthGravity:
1007     case SouthEastGravity:
1008         if (show) y -= self->border_width * 2;
1009         else      y += self->border_width * 2;
1010         break;
1011     case WestGravity:
1012     case EastGravity:
1013     case CenterGravity:
1014     case ForgetGravity:
1015     case StaticGravity:
1016         if (show) y -= self->border_width;
1017         else      y += self->border_width;
1018         break;
1019     }
1020     self->area.x = x;
1021     self->area.y = y;
1022
1023     if (show) {
1024         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
1025
1026         /* set border_width to 0 because there is no border to add into
1027            calculations anymore */
1028         self->border_width = 0;
1029     } else
1030         XSetWindowBorderWidth(ob_display, self->window, 0);
1031 }
1032
1033
1034 static void client_get_all(ObClient *self, gboolean real)
1035 {
1036     /* this is needed for the frame to set itself up */
1037     client_get_area(self);
1038
1039     /* these things can change the decor and functions of the window */
1040
1041     client_get_mwm_hints(self);
1042     /* this can change the mwmhints for special cases */
1043     client_get_type_and_transientness(self);
1044     client_get_state(self);
1045     client_update_normal_hints(self);
1046
1047     /* get the session related properties, these can change decorations
1048        from per-app settings */
1049     client_get_session_ids(self);
1050
1051     /* now we got everything that can affect the decorations */
1052     if (!real)
1053         return;
1054
1055     /* get this early so we have it for debugging */
1056     client_update_title(self);
1057
1058     client_update_protocols(self);
1059
1060     client_update_wmhints(self);
1061     /* this may have already been called from client_update_wmhints */
1062     if (self->transient_for == NULL)
1063         client_update_transient_for(self);
1064
1065     client_get_startup_id(self);
1066     client_get_desktop(self);/* uses transient data/group/startup id if a
1067                                 desktop is not specified */
1068     client_get_shaped(self);
1069
1070     {
1071         /* a couple type-based defaults for new windows */
1072
1073         /* this makes sure that these windows appear on all desktops */
1074         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1075             self->desktop = DESKTOP_ALL;
1076     }
1077
1078 #ifdef SYNC
1079     client_update_sync_request_counter(self);
1080 #endif
1081
1082     client_get_colormap(self);
1083     client_update_strut(self);
1084     client_update_icons(self);
1085     client_update_user_time_window(self);
1086     if (!self->user_time_window) /* check if this would have been called */
1087         client_update_user_time(self);
1088     client_update_icon_geometry(self);
1089 }
1090
1091 static void client_get_startup_id(ObClient *self)
1092 {
1093     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1094         if (self->group)
1095             PROP_GETS(self->group->leader,
1096                       net_startup_id, utf8, &self->startup_id);
1097 }
1098
1099 static void client_get_area(ObClient *self)
1100 {
1101     XWindowAttributes wattrib;
1102     Status ret;
1103
1104     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1105     g_assert(ret != BadWindow);
1106
1107     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1108     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1109     self->border_width = wattrib.border_width;
1110
1111     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1112              wattrib.width, wattrib.height);
1113 }
1114
1115 static void client_get_desktop(ObClient *self)
1116 {
1117     guint32 d = screen_num_desktops; /* an always-invalid value */
1118
1119     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1120         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1121             self->desktop = screen_num_desktops - 1;
1122         else
1123             self->desktop = d;
1124     } else {
1125         gboolean trdesk = FALSE;
1126
1127         if (self->transient_for) {
1128             if (self->transient_for != OB_TRAN_GROUP) {
1129                 self->desktop = self->transient_for->desktop;
1130                 trdesk = TRUE;
1131             } else {
1132                 GSList *it;
1133
1134                 for (it = self->group->members; it; it = g_slist_next(it))
1135                     if (it->data != self &&
1136                         !((ObClient*)it->data)->transient_for) {
1137                         self->desktop = ((ObClient*)it->data)->desktop;
1138                         trdesk = TRUE;
1139                         break;
1140                     }
1141             }
1142         }
1143         if (!trdesk) {
1144             /* try get from the startup-notification protocol */
1145             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1146                 if (self->desktop >= screen_num_desktops &&
1147                     self->desktop != DESKTOP_ALL)
1148                     self->desktop = screen_num_desktops - 1;
1149             } else
1150                 /* defaults to the current desktop */
1151                 self->desktop = screen_desktop;
1152         }
1153     }
1154 }
1155
1156 static void client_get_state(ObClient *self)
1157 {
1158     guint32 *state;
1159     guint num;
1160
1161     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1162         gulong i;
1163         for (i = 0; i < num; ++i) {
1164             if (state[i] == prop_atoms.net_wm_state_modal)
1165                 self->modal = TRUE;
1166             else if (state[i] == prop_atoms.net_wm_state_shaded)
1167                 self->shaded = TRUE;
1168             else if (state[i] == prop_atoms.net_wm_state_hidden)
1169                 self->iconic = TRUE;
1170             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1171                 self->skip_taskbar = TRUE;
1172             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1173                 self->skip_pager = TRUE;
1174             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1175                 self->fullscreen = TRUE;
1176             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1177                 self->max_vert = TRUE;
1178             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1179                 self->max_horz = TRUE;
1180             else if (state[i] == prop_atoms.net_wm_state_above)
1181                 self->above = TRUE;
1182             else if (state[i] == prop_atoms.net_wm_state_below)
1183                 self->below = TRUE;
1184             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1185                 self->demands_attention = TRUE;
1186             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1187                 self->undecorated = TRUE;
1188         }
1189
1190         g_free(state);
1191     }
1192 }
1193
1194 static void client_get_shaped(ObClient *self)
1195 {
1196     self->shaped = FALSE;
1197 #ifdef   SHAPE
1198     if (extensions_shape) {
1199         gint foo;
1200         guint ufoo;
1201         gint s;
1202
1203         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1204
1205         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1206                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1207                            &ufoo);
1208         self->shaped = (s != 0);
1209     }
1210 #endif
1211 }
1212
1213 void client_update_transient_for(ObClient *self)
1214 {
1215     Window t = None;
1216     ObClient *target = NULL;
1217
1218     if (XGetTransientForHint(ob_display, self->window, &t)) {
1219         if (t != self->window) { /* cant be transient to itself! */
1220             target = g_hash_table_lookup(window_map, &t);
1221             /* if this happens then we need to check for it*/
1222             g_assert(target != self);
1223             if (target && !WINDOW_IS_CLIENT(target)) {
1224                 /* this can happen when a dialog is a child of
1225                    a dockapp, for example */
1226                 target = NULL;
1227             }
1228
1229             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1230
1231                Setting the transient_for to Root is actually illegal, however
1232                applications from time have done this to specify transient for
1233                their group.
1234
1235                Now you can do that by being a TYPE_DIALOG and not setting
1236                the transient_for hint at all on your window. But people still
1237                use Root, and Kwin is very strange in this regard.
1238
1239                KWin 3.0 will not consider windows with transient_for set to
1240                Root as transient for their group *UNLESS* they are also modal.
1241                In that case, it will make them transient for the group. This
1242                leads to all sorts of weird behavior from KDE apps which are
1243                only tested in KWin. I'd like to follow their behavior just to
1244                make this work right with KDE stuff, but that seems wrong.
1245             */
1246             if (!target && self->group) {
1247                 /* not transient to a client, see if it is transient for a
1248                    group */
1249                 if (t == RootWindow(ob_display, ob_screen)) {
1250                     /* window is a transient for its group! */
1251                     target = OB_TRAN_GROUP;
1252                 }
1253             }
1254         }
1255     } else if (self->transient && self->group)
1256         target = OB_TRAN_GROUP;
1257
1258     client_update_transient_tree(self, self->group, self->group,
1259                                  self->transient_for, target);
1260     self->transient_for = target;
1261
1262 }
1263
1264 static void client_update_transient_tree(ObClient *self,
1265                                          ObGroup *oldgroup, ObGroup *newgroup,
1266                                          ObClient* oldparent,
1267                                          ObClient *newparent)
1268 {
1269     GSList *it, *next;
1270     ObClient *c;
1271
1272     /* * *
1273       Group transient windows are not allowed to have other group
1274       transient windows as their children.
1275       * * */
1276
1277
1278     /* No change has occured */
1279     if (oldgroup == newgroup && oldparent == newparent) return;
1280
1281     /** Remove the client from the transient tree wherever it has changed **/
1282
1283     /* If the window is becoming a direct transient for a window in its group
1284        then any group transients which were our children and are now becoming
1285        our parents need to stop being our children.
1286
1287        Group transients can't be children of group transients already, but
1288        we could have any number of direct parents above up, any of which could
1289        be transient for the group, and we need to remove it from our children.
1290     */
1291     if (oldparent != newparent &&
1292         newparent != NULL && newparent != OB_TRAN_GROUP &&
1293         newgroup != NULL && newgroup == oldgroup)
1294     {
1295         ObClient *look = newparent;
1296         do {
1297             self->transients = g_slist_remove(self->transients, look);
1298             look = look->transient_for;
1299         } while (look != NULL && look != OB_TRAN_GROUP);
1300     }
1301
1302
1303     /* If the group changed, or if we are just becoming transient for the
1304        group, then we need to remove any old group transient windows
1305        from our children. But if we were already transient for the group, then
1306        other group transients are not our children. */
1307     if ((oldgroup != newgroup ||
1308          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1309         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1310     {
1311         for (it = self->transients; it; it = next) {
1312             next = g_slist_next(it);
1313             c = it->data;
1314             if (c->group == oldgroup)
1315                 self->transients = g_slist_delete_link(self->transients, it);
1316         }
1317     }
1318
1319     /* If we used to be transient for a group and now we are not, or we're
1320        transient for a new group, then we need to remove ourselves from all
1321        our ex-parents */
1322     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1323                                        oldparent != newparent))
1324     {
1325         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1326             c = it->data;
1327             if (c != self && (!c->transient_for ||
1328                               c->transient_for != OB_TRAN_GROUP))
1329                 c->transients = g_slist_remove(c->transients, self);
1330         }
1331     }
1332     /* If we used to be transient for a single window and we are no longer
1333        transient for it, then we need to remove ourself from its children */
1334     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1335              oldparent != newparent)
1336         oldparent->transients = g_slist_remove(oldparent->transients, self);
1337
1338
1339     /** Re-add the client to the transient tree wherever it has changed **/
1340
1341     /* If we're now transient for a group and we weren't transient for it
1342        before then we need to add ourselves to all our new parents */
1343     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1344                                        oldparent != newparent))
1345     {
1346         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1347             c = it->data;
1348             if (c != self && (!c->transient_for ||
1349                               c->transient_for != OB_TRAN_GROUP))
1350                 c->transients = g_slist_prepend(c->transients, self);
1351         }
1352     }
1353     /* If we are now transient for a single window which we weren't before,
1354        we need to add ourselves to its children
1355
1356        WARNING: Cyclical transient ness is possible if two windows are
1357        transient for eachother.
1358     */
1359     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1360              newparent != oldparent &&
1361              /* don't make ourself its child if it is already our child */
1362              !client_is_direct_child(self, newparent))
1363         newparent->transients = g_slist_prepend(newparent->transients, self);
1364
1365     /* If the group changed then we need to add any new group transient
1366        windows to our children. But if we're transient for the group, then
1367        other group transients are not our children.
1368
1369        WARNING: Cyclical transient-ness is possible. For e.g. if:
1370        A is transient for the group
1371        B is transient for A
1372        C is transient for B
1373        A can't be transient for C or we have a cycle
1374     */
1375     if (oldgroup != newgroup && newgroup != NULL &&
1376         newparent != OB_TRAN_GROUP)
1377     {
1378         for (it = newgroup->members; it; it = g_slist_next(it)) {
1379             c = it->data;
1380             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1381                 /* Don't make it our child if it is already our parent */
1382                 !client_is_direct_child(c, self))
1383             {
1384                 self->transients = g_slist_prepend(self->transients, c);
1385             }
1386         }
1387     }
1388 }
1389
1390 static void client_get_mwm_hints(ObClient *self)
1391 {
1392     guint num;
1393     guint32 *hints;
1394
1395     self->mwmhints.flags = 0; /* default to none */
1396
1397     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1398                     &hints, &num)) {
1399         if (num >= OB_MWM_ELEMENTS) {
1400             self->mwmhints.flags = hints[0];
1401             self->mwmhints.functions = hints[1];
1402             self->mwmhints.decorations = hints[2];
1403         }
1404         g_free(hints);
1405     }
1406 }
1407
1408 void client_get_type_and_transientness(ObClient *self)
1409 {
1410     guint num, i;
1411     guint32 *val;
1412     Window t;
1413
1414     self->type = -1;
1415     self->transient = FALSE;
1416
1417     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1418         /* use the first value that we know about in the array */
1419         for (i = 0; i < num; ++i) {
1420             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1421                 self->type = OB_CLIENT_TYPE_DESKTOP;
1422             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1423                 self->type = OB_CLIENT_TYPE_DOCK;
1424             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1425                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1426             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1427                 self->type = OB_CLIENT_TYPE_MENU;
1428             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1429                 self->type = OB_CLIENT_TYPE_UTILITY;
1430             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1431                 self->type = OB_CLIENT_TYPE_SPLASH;
1432             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1433                 self->type = OB_CLIENT_TYPE_DIALOG;
1434             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1435                 self->type = OB_CLIENT_TYPE_NORMAL;
1436             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1437                 /* prevent this window from getting any decor or
1438                    functionality */
1439                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1440                                          OB_MWM_FLAG_DECORATIONS);
1441                 self->mwmhints.decorations = 0;
1442                 self->mwmhints.functions = 0;
1443             }
1444             if (self->type != (ObClientType) -1)
1445                 break; /* grab the first legit type */
1446         }
1447         g_free(val);
1448     }
1449
1450     if (XGetTransientForHint(ob_display, self->window, &t))
1451         self->transient = TRUE;
1452
1453     if (self->type == (ObClientType) -1) {
1454         /*the window type hint was not set, which means we either classify
1455           ourself as a normal window or a dialog, depending on if we are a
1456           transient. */
1457         if (self->transient)
1458             self->type = OB_CLIENT_TYPE_DIALOG;
1459         else
1460             self->type = OB_CLIENT_TYPE_NORMAL;
1461     }
1462
1463     /* then, based on our type, we can update our transientness.. */
1464     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1465         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1466         self->type == OB_CLIENT_TYPE_MENU ||
1467         self->type == OB_CLIENT_TYPE_UTILITY)
1468     {
1469         self->transient = TRUE;
1470     }
1471 }
1472
1473 void client_update_protocols(ObClient *self)
1474 {
1475     guint32 *proto;
1476     guint num_return, i;
1477
1478     self->focus_notify = FALSE;
1479     self->delete_window = FALSE;
1480
1481     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1482         for (i = 0; i < num_return; ++i) {
1483             if (proto[i] == prop_atoms.wm_delete_window)
1484                 /* this means we can request the window to close */
1485                 self->delete_window = TRUE;
1486             else if (proto[i] == prop_atoms.wm_take_focus)
1487                 /* if this protocol is requested, then the window will be
1488                    notified whenever we want it to receive focus */
1489                 self->focus_notify = TRUE;
1490 #ifdef SYNC
1491             else if (proto[i] == prop_atoms.net_wm_sync_request)
1492                 /* if this protocol is requested, then resizing the
1493                    window will be synchronized between the frame and the
1494                    client */
1495                 self->sync_request = TRUE;
1496 #endif
1497         }
1498         g_free(proto);
1499     }
1500 }
1501
1502 #ifdef SYNC
1503 void client_update_sync_request_counter(ObClient *self)
1504 {
1505     guint32 i;
1506
1507     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1508         self->sync_counter = i;
1509     } else
1510         self->sync_counter = None;
1511 }
1512 #endif
1513
1514 void client_get_colormap(ObClient *self)
1515 {
1516     XWindowAttributes wa;
1517
1518     if (XGetWindowAttributes(ob_display, self->window, &wa))
1519         client_update_colormap(self, wa.colormap);
1520 }
1521
1522 void client_update_colormap(ObClient *self, Colormap colormap)
1523 {
1524     self->colormap = colormap;
1525 }
1526
1527 void client_update_normal_hints(ObClient *self)
1528 {
1529     XSizeHints size;
1530     glong ret;
1531     gint oldgravity = self->gravity;
1532
1533     /* defaults */
1534     self->min_ratio = 0.0f;
1535     self->max_ratio = 0.0f;
1536     SIZE_SET(self->size_inc, 1, 1);
1537     SIZE_SET(self->base_size, 0, 0);
1538     SIZE_SET(self->min_size, 0, 0);
1539     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1540
1541     /* get the hints from the window */
1542     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1543         /* normal windows can't request placement! har har
1544         if (!client_normal(self))
1545         */
1546         self->positioned = (size.flags & (PPosition|USPosition));
1547
1548         if (size.flags & PWinGravity) {
1549             self->gravity = size.win_gravity;
1550
1551             /* if the client has a frame, i.e. has already been mapped and
1552                is changing its gravity */
1553             if (self->frame && self->gravity != oldgravity) {
1554                 /* move our idea of the client's position based on its new
1555                    gravity */
1556                 client_convert_gravity(self, oldgravity,
1557                                        &self->area.x, &self->area.y,
1558                                        self->area.width, self->area.height);
1559             }
1560         }
1561
1562         if (size.flags & PAspect) {
1563             if (size.min_aspect.y)
1564                 self->min_ratio =
1565                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1566             if (size.max_aspect.y)
1567                 self->max_ratio =
1568                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1569         }
1570
1571         if (size.flags & PMinSize)
1572             SIZE_SET(self->min_size, size.min_width, size.min_height);
1573
1574         if (size.flags & PMaxSize)
1575             SIZE_SET(self->max_size, size.max_width, size.max_height);
1576
1577         if (size.flags & PBaseSize)
1578             SIZE_SET(self->base_size, size.base_width, size.base_height);
1579
1580         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1581             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1582     }
1583 }
1584
1585 void client_setup_decor_and_functions(ObClient *self)
1586 {
1587     /* start with everything (cept fullscreen) */
1588     self->decorations =
1589         (OB_FRAME_DECOR_TITLEBAR |
1590          OB_FRAME_DECOR_HANDLE |
1591          OB_FRAME_DECOR_GRIPS |
1592          OB_FRAME_DECOR_BORDER |
1593          OB_FRAME_DECOR_ICON |
1594          OB_FRAME_DECOR_ALLDESKTOPS |
1595          OB_FRAME_DECOR_ICONIFY |
1596          OB_FRAME_DECOR_MAXIMIZE |
1597          OB_FRAME_DECOR_SHADE |
1598          OB_FRAME_DECOR_CLOSE);
1599     self->functions =
1600         (OB_CLIENT_FUNC_RESIZE |
1601          OB_CLIENT_FUNC_MOVE |
1602          OB_CLIENT_FUNC_ICONIFY |
1603          OB_CLIENT_FUNC_MAXIMIZE |
1604          OB_CLIENT_FUNC_SHADE |
1605          OB_CLIENT_FUNC_CLOSE |
1606          OB_CLIENT_FUNC_BELOW |
1607          OB_CLIENT_FUNC_ABOVE);
1608
1609     if (!(self->min_size.width < self->max_size.width ||
1610           self->min_size.height < self->max_size.height))
1611         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1612
1613     switch (self->type) {
1614     case OB_CLIENT_TYPE_NORMAL:
1615         /* normal windows retain all of the possible decorations and
1616            functionality, and are the only windows that you can fullscreen */
1617         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1618         break;
1619
1620     case OB_CLIENT_TYPE_DIALOG:
1621     case OB_CLIENT_TYPE_UTILITY:
1622         /* these windows cannot be maximized */
1623         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1624         break;
1625
1626     case OB_CLIENT_TYPE_MENU:
1627     case OB_CLIENT_TYPE_TOOLBAR:
1628         /* these windows get less functionality */
1629         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1630         break;
1631
1632     case OB_CLIENT_TYPE_SPLASH:
1633         /* these don't get get any decorations, and the only thing you can
1634            do with them is move them */
1635         self->decorations = 0;
1636         self->functions = OB_CLIENT_FUNC_MOVE;
1637
1638     case OB_CLIENT_TYPE_DESKTOP:
1639         /* these windows are not manipulated by the window manager */
1640         self->decorations = 0;
1641         self->functions = 0;
1642
1643     case OB_CLIENT_TYPE_DOCK:
1644         /* these windows are not manipulated by the window manager, but they
1645            can set below layer which has a special meaning */
1646         self->decorations = 0;
1647         self->functions = OB_CLIENT_FUNC_BELOW;
1648         break;
1649     }
1650
1651     /* Mwm Hints are applied subtractively to what has already been chosen for
1652        decor and functionality */
1653     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1654         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1655             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1656                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1657             {
1658                 /* if the mwm hints request no handle or title, then all
1659                    decorations are disabled, but keep the border if that's
1660                    specified */
1661                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1662                     self->decorations = OB_FRAME_DECOR_BORDER;
1663                 else
1664                     self->decorations = 0;
1665             }
1666         }
1667     }
1668
1669     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1670         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1671             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1672                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1673             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1674                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1675             /* dont let mwm hints kill any buttons
1676                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1677                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1678                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1679                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1680             */
1681             /* dont let mwm hints kill the close button
1682                if (! (self->mwmhints.functions & MwmFunc_Close))
1683                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1684         }
1685     }
1686
1687     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1688         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1689     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1690         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1691     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1692         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1693
1694     /* can't maximize without moving/resizing */
1695     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1696           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1697           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1698         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1699         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1700     }
1701
1702     /* kill the handle on fully maxed windows */
1703     if (self->max_vert && self->max_horz)
1704         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1705
1706     /* finally, the user can have requested no decorations, which overrides
1707        everything (but doesnt give it a border if it doesnt have one) */
1708     if (self->undecorated) {
1709         if (config_theme_keepborder)
1710             self->decorations &= OB_FRAME_DECOR_BORDER;
1711         else
1712             self->decorations = 0;
1713     }
1714
1715     /* if we don't have a titlebar, then we cannot shade! */
1716     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1717         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1718
1719     /* now we need to check against rules for the client's current state */
1720     if (self->fullscreen) {
1721         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1722                             OB_CLIENT_FUNC_FULLSCREEN |
1723                             OB_CLIENT_FUNC_ICONIFY);
1724         self->decorations = 0;
1725     }
1726
1727     client_change_allowed_actions(self);
1728
1729     if (self->frame) {
1730         /* adjust the client's decorations, etc. */
1731         client_reconfigure(self);
1732     }
1733 }
1734
1735 static void client_change_allowed_actions(ObClient *self)
1736 {
1737     gulong actions[11];
1738     gint num = 0;
1739
1740     /* desktop windows are kept on all desktops */
1741     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1742         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1743
1744     if (self->functions & OB_CLIENT_FUNC_SHADE)
1745         actions[num++] = prop_atoms.net_wm_action_shade;
1746     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1747         actions[num++] = prop_atoms.net_wm_action_close;
1748     if (self->functions & OB_CLIENT_FUNC_MOVE)
1749         actions[num++] = prop_atoms.net_wm_action_move;
1750     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1751         actions[num++] = prop_atoms.net_wm_action_minimize;
1752     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1753         actions[num++] = prop_atoms.net_wm_action_resize;
1754     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1755         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1756     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1757         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1758         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1759     }
1760     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1761         actions[num++] = prop_atoms.net_wm_action_above;
1762     if (self->functions & OB_CLIENT_FUNC_BELOW)
1763         actions[num++] = prop_atoms.net_wm_action_below;
1764
1765     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1766
1767     /* make sure the window isn't breaking any rules now */
1768
1769     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1770         if (self->frame) client_shade(self, FALSE);
1771         else self->shaded = FALSE;
1772     }
1773     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1774         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1775         else self->iconic = FALSE;
1776     }
1777     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1778         if (self->frame) client_fullscreen(self, FALSE);
1779         else self->fullscreen = FALSE;
1780     }
1781     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1782                                                          self->max_vert)) {
1783         if (self->frame) client_maximize(self, FALSE, 0);
1784         else self->max_vert = self->max_horz = FALSE;
1785     }
1786 }
1787
1788 void client_reconfigure(ObClient *self)
1789 {
1790     /* by making this pass FALSE for user, we avoid the emacs event storm where
1791        every configurenotify causes an update in its normal hints, i think this
1792        is generally what we want anyways... */
1793     client_configure(self, self->area.x, self->area.y,
1794                      self->area.width, self->area.height, FALSE, TRUE);
1795 }
1796
1797 void client_update_wmhints(ObClient *self)
1798 {
1799     XWMHints *hints;
1800
1801     /* assume a window takes input if it doesnt specify */
1802     self->can_focus = TRUE;
1803
1804     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1805         gboolean ur;
1806
1807         if (hints->flags & InputHint)
1808             self->can_focus = hints->input;
1809
1810         /* only do this when first managing the window *AND* when we aren't
1811            starting up! */
1812         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1813             if (hints->flags & StateHint)
1814                 self->iconic = hints->initial_state == IconicState;
1815
1816         ur = self->urgent;
1817         self->urgent = (hints->flags & XUrgencyHint);
1818         if (self->urgent && !ur)
1819             client_hilite(self, TRUE);
1820         else if (!self->urgent && ur && self->demands_attention)
1821             client_hilite(self, FALSE);
1822
1823         if (!(hints->flags & WindowGroupHint))
1824             hints->window_group = None;
1825
1826         /* did the group state change? */
1827         if (hints->window_group !=
1828             (self->group ? self->group->leader : None))
1829         {
1830             ObGroup *oldgroup = self->group;
1831
1832             /* remove from the old group if there was one */
1833             if (self->group != NULL) {
1834                 group_remove(self->group, self);
1835                 self->group = NULL;
1836             }
1837
1838             /* add ourself to the group if we have one */
1839             if (hints->window_group != None) {
1840                 self->group = group_add(hints->window_group, self);
1841             }
1842
1843             /* Put ourselves into the new group's transient tree, and remove
1844                ourselves from the old group's */
1845             client_update_transient_tree(self, oldgroup, self->group,
1846                                          self->transient_for,
1847                                          self->transient_for);
1848
1849             /* Lastly, being in a group, or not, can change if the window is
1850                transient for anything.
1851
1852                The logic for this is:
1853                self->transient = TRUE always if the window wants to be
1854                transient for something, even if transient_for was NULL because
1855                it wasn't in a group before.
1856
1857                If transient_for was NULL and oldgroup was NULL we can assume
1858                that when we add the new group, it will become transient for
1859                something.
1860
1861                If transient_for was OB_TRAN_GROUP, then it must have already
1862                had a group. If it is getting a new group, the above call to
1863                client_update_transient_tree has already taken care of
1864                everything ! If it is losing all group status then it will
1865                no longer be transient for anything and that needs to be
1866                updated.
1867             */
1868             if (self->transient &&
1869                 ((self->transient_for == NULL && oldgroup == NULL) ||
1870                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1871                 client_update_transient_for(self);
1872         }
1873
1874         /* the WM_HINTS can contain an icon */
1875         client_update_icons(self);
1876
1877         XFree(hints);
1878     }
1879 }
1880
1881 void client_update_title(ObClient *self)
1882 {
1883     gchar *data = NULL;
1884     gchar *visible = NULL;
1885
1886     g_free(self->title);
1887
1888     /* try netwm */
1889     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1890         /* try old x stuff */
1891         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1892               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1893             if (self->transient) {
1894                 /*
1895                   GNOME alert windows are not given titles:
1896                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1897                 */
1898                 data = g_strdup("");
1899             } else
1900                 data = g_strdup("Unnamed Window");
1901         }
1902     }
1903
1904     if (self->client_machine) {
1905         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1906         g_free(data);
1907     } else
1908         visible = data;
1909
1910     PROP_SETS(self->window, net_wm_visible_name, visible);
1911     self->title = visible;
1912
1913     if (self->frame)
1914         frame_adjust_title(self->frame);
1915
1916     /* update the icon title */
1917     data = NULL;
1918     g_free(self->icon_title);
1919
1920     /* try netwm */
1921     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1922         /* try old x stuff */
1923         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1924               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1925             data = g_strdup(self->title);
1926
1927     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1928     self->icon_title = data;
1929 }
1930
1931 void client_update_strut(ObClient *self)
1932 {
1933     guint num;
1934     guint32 *data;
1935     gboolean got = FALSE;
1936     StrutPartial strut;
1937
1938     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1939                     &data, &num)) {
1940         if (num == 12) {
1941             got = TRUE;
1942             STRUT_PARTIAL_SET(strut,
1943                               data[0], data[2], data[1], data[3],
1944                               data[4], data[5], data[8], data[9],
1945                               data[6], data[7], data[10], data[11]);
1946         }
1947         g_free(data);
1948     }
1949
1950     if (!got &&
1951         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1952         if (num == 4) {
1953             const Rect *a;
1954
1955             got = TRUE;
1956
1957             /* use the screen's width/height */
1958             a = screen_physical_area();
1959
1960             STRUT_PARTIAL_SET(strut,
1961                               data[0], data[2], data[1], data[3],
1962                               a->y, a->y + a->height - 1,
1963                               a->x, a->x + a->width - 1,
1964                               a->y, a->y + a->height - 1,
1965                               a->x, a->x + a->width - 1);
1966         }
1967         g_free(data);
1968     }
1969
1970     if (!got)
1971         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1972                           0, 0, 0, 0, 0, 0, 0, 0);
1973
1974     if (!STRUT_EQUAL(strut, self->strut)) {
1975         self->strut = strut;
1976
1977         /* updating here is pointless while we're being mapped cuz we're not in
1978            the client list yet */
1979         if (self->frame)
1980             screen_update_areas();
1981     }
1982 }
1983
1984 void client_update_icons(ObClient *self)
1985 {
1986     guint num;
1987     guint32 *data;
1988     guint w, h, i, j;
1989
1990     for (i = 0; i < self->nicons; ++i)
1991         g_free(self->icons[i].data);
1992     if (self->nicons > 0)
1993         g_free(self->icons);
1994     self->nicons = 0;
1995
1996     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1997         /* figure out how many valid icons are in here */
1998         i = 0;
1999         while (num - i > 2) {
2000             w = data[i++];
2001             h = data[i++];
2002             i += w * h;
2003             if (i > num || w*h == 0) break;
2004             ++self->nicons;
2005         }
2006
2007         self->icons = g_new(ObClientIcon, self->nicons);
2008
2009         /* store the icons */
2010         i = 0;
2011         for (j = 0; j < self->nicons; ++j) {
2012             guint x, y, t;
2013
2014             w = self->icons[j].width = data[i++];
2015             h = self->icons[j].height = data[i++];
2016
2017             if (w*h == 0) continue;
2018
2019             self->icons[j].data = g_new(RrPixel32, w * h);
2020             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2021                 if (x >= w) {
2022                     x = 0;
2023                     ++y;
2024                 }
2025                 self->icons[j].data[t] =
2026                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2027                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2028                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2029                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2030             }
2031             g_assert(i <= num);
2032         }
2033
2034         g_free(data);
2035     } else {
2036         XWMHints *hints;
2037
2038         if ((hints = XGetWMHints(ob_display, self->window))) {
2039             if (hints->flags & IconPixmapHint) {
2040                 self->nicons++;
2041                 self->icons = g_new(ObClientIcon, self->nicons);
2042                 xerror_set_ignore(TRUE);
2043                 if (!RrPixmapToRGBA(ob_rr_inst,
2044                                     hints->icon_pixmap,
2045                                     (hints->flags & IconMaskHint ?
2046                                      hints->icon_mask : None),
2047                                     &self->icons[self->nicons-1].width,
2048                                     &self->icons[self->nicons-1].height,
2049                                     &self->icons[self->nicons-1].data)){
2050                     g_free(&self->icons[self->nicons-1]);
2051                     self->nicons--;
2052                 }
2053                 xerror_set_ignore(FALSE);
2054             }
2055             XFree(hints);
2056         }
2057     }
2058
2059     /* set the default icon onto the window
2060        in theory, this could be a race, but if a window doesn't set an icon
2061        or removes it entirely, it's not very likely it is going to set one
2062        right away afterwards */
2063     if (self->nicons == 0) {
2064         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2065         gulong *data;
2066
2067         data = g_new(gulong, 48*48+2);
2068         data[0] = data[1] =  48;
2069         for (i = 0; i < 48*48; ++i)
2070             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2071                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2072                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2073                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2074         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2075         g_free(data);
2076     } else if (self->frame)
2077         /* don't draw the icon empty if we're just setting one now anyways,
2078            we'll get the property change any second */
2079         frame_adjust_icon(self->frame);
2080 }
2081
2082 void client_update_user_time(ObClient *self)
2083 {
2084     guint32 time;
2085     gboolean got = FALSE;
2086
2087     if (self->user_time_window)
2088         got = PROP_GET32(self->user_time_window,
2089                          net_wm_user_time, cardinal, &time);
2090     if (!got)
2091         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2092
2093     if (got) {
2094         /* we set this every time, not just when it grows, because in practice
2095            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2096            backward we don't want all windows to stop focusing. we'll just
2097            assume noone is setting times older than the last one, cuz that
2098            would be pretty stupid anyways
2099         */
2100         self->user_time = time;
2101
2102         /*ob_debug("window %s user time %u\n", self->title, time);*/
2103     }
2104 }
2105
2106 void client_update_user_time_window(ObClient *self)
2107 {
2108     guint32 w;
2109
2110     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2111         w = None;
2112
2113     if (w != self->user_time_window) {
2114         /* remove the old window */
2115         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2116         self->user_time_window = None;
2117
2118         if (self->group && self->group->leader == w) {
2119             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2120                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2121             /* do it anyways..? */
2122         }
2123         else if (w == self->window) {
2124             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2125                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2126             w = None; /* don't do it */
2127         }
2128
2129         /* add the new window */
2130         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2131         self->user_time_window = w;
2132
2133         /* and update from it */
2134         client_update_user_time(self);
2135     }
2136 }
2137
2138 void client_update_icon_geometry(ObClient *self)
2139 {
2140     guint num;
2141     guint32 *data;
2142
2143     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2144
2145     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2146         && num == 4)
2147     {
2148         /* don't let them set it with an area < 0 */
2149         RECT_SET(self->icon_geometry, data[0], data[1],
2150                  MAX(data[2],0), MAX(data[3],0));
2151     }
2152 }
2153
2154 static void client_get_session_ids(ObClient *self)
2155 {
2156     guint32 leader;
2157     gboolean got;
2158     gchar *s;
2159     gchar **ss;
2160
2161     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2162         leader = None;
2163
2164     /* get the SM_CLIENT_ID */
2165     got = FALSE;
2166     if (leader)
2167         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2168     if (!got)
2169         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2170
2171     /* get the WM_CLASS (name and class). make them "" if they are not
2172        provided */
2173     got = FALSE;
2174     if (leader)
2175         got = PROP_GETSS(leader, wm_class, locale, &ss);
2176     if (!got)
2177         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2178
2179     if (got) {
2180         if (ss[0]) {
2181             self->name = g_strdup(ss[0]);
2182             if (ss[1])
2183                 self->class = g_strdup(ss[1]);
2184         }
2185         g_strfreev(ss);
2186     }
2187
2188     if (self->name == NULL) self->name = g_strdup("");
2189     if (self->class == NULL) self->class = g_strdup("");
2190
2191     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2192     got = FALSE;
2193     if (leader)
2194         got = PROP_GETS(leader, wm_window_role, locale, &s);
2195     if (!got)
2196         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2197
2198     if (got)
2199         self->role = s;
2200     else
2201         self->role = g_strdup("");
2202
2203     /* get the WM_COMMAND */
2204     got = FALSE;
2205
2206     if (leader)
2207         got = PROP_GETSS(leader, wm_command, locale, &ss);
2208     if (!got)
2209         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2210
2211     if (got) {
2212         /* merge/mash them all together */
2213         gchar *merge = NULL;
2214         gint i;
2215
2216         for (i = 0; ss[i]; ++i) {
2217             gchar *tmp = merge;
2218             if (merge)
2219                 merge = g_strconcat(merge, ss[i], NULL);
2220             else
2221                 merge = g_strconcat(ss[i], NULL);
2222             g_free(tmp);
2223         }
2224         g_strfreev(ss);
2225
2226         self->wm_command = merge;
2227     }
2228
2229     /* get the WM_CLIENT_MACHINE */
2230     got = FALSE;
2231     if (leader)
2232         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2233     if (!got)
2234         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2235
2236     if (got) {
2237         gchar localhost[128];
2238
2239         gethostname(localhost, 127);
2240         localhost[127] = '\0';
2241         if (strcmp(localhost, s) != 0)
2242             self->client_machine = s;
2243         else
2244             g_free(s);
2245     }
2246 }
2247
2248 static void client_change_wm_state(ObClient *self)
2249 {
2250     gulong state[2];
2251     glong old;
2252
2253     old = self->wmstate;
2254
2255     if (self->shaded || self->iconic ||
2256         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2257     {
2258         self->wmstate = IconicState;
2259     } else
2260         self->wmstate = NormalState;
2261
2262     if (old != self->wmstate) {
2263         PROP_MSG(self->window, kde_wm_change_state,
2264                  self->wmstate, 1, 0, 0);
2265
2266         state[0] = self->wmstate;
2267         state[1] = None;
2268         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2269     }
2270 }
2271
2272 static void client_change_state(ObClient *self)
2273 {
2274     gulong netstate[11];
2275     guint num;
2276
2277     num = 0;
2278     if (self->modal)
2279         netstate[num++] = prop_atoms.net_wm_state_modal;
2280     if (self->shaded)
2281         netstate[num++] = prop_atoms.net_wm_state_shaded;
2282     if (self->iconic)
2283         netstate[num++] = prop_atoms.net_wm_state_hidden;
2284     if (self->skip_taskbar)
2285         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2286     if (self->skip_pager)
2287         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2288     if (self->fullscreen)
2289         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2290     if (self->max_vert)
2291         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2292     if (self->max_horz)
2293         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2294     if (self->above)
2295         netstate[num++] = prop_atoms.net_wm_state_above;
2296     if (self->below)
2297         netstate[num++] = prop_atoms.net_wm_state_below;
2298     if (self->demands_attention)
2299         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2300     if (self->undecorated)
2301         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2302     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2303
2304     if (self->frame)
2305         frame_adjust_state(self->frame);
2306 }
2307
2308 ObClient *client_search_focus_tree(ObClient *self)
2309 {
2310     GSList *it;
2311     ObClient *ret;
2312
2313     for (it = self->transients; it; it = g_slist_next(it)) {
2314         if (client_focused(it->data)) return it->data;
2315         if ((ret = client_search_focus_tree(it->data))) return ret;
2316     }
2317     return NULL;
2318 }
2319
2320 ObClient *client_search_focus_tree_full(ObClient *self)
2321 {
2322     if (self->transient_for) {
2323         if (self->transient_for != OB_TRAN_GROUP) {
2324             return client_search_focus_tree_full(self->transient_for);
2325         } else {
2326             GSList *it;
2327             gboolean recursed = FALSE;
2328
2329             for (it = self->group->members; it; it = g_slist_next(it))
2330                 if (!((ObClient*)it->data)->transient_for) {
2331                     ObClient *c;
2332                     if ((c = client_search_focus_tree_full(it->data)))
2333                         return c;
2334                     recursed = TRUE;
2335                 }
2336             if (recursed)
2337                 return NULL;
2338         }
2339     }
2340
2341     /* this function checks the whole tree, the client_search_focus_tree~
2342        does not, so we need to check this window */
2343     if (client_focused(self))
2344         return self;
2345     return client_search_focus_tree(self);
2346 }
2347
2348 static ObStackingLayer calc_layer(ObClient *self)
2349 {
2350     ObStackingLayer l;
2351
2352     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2353         l = OB_STACKING_LAYER_DESKTOP;
2354     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2355         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2356         else l = OB_STACKING_LAYER_ABOVE;
2357     }
2358     else if ((self->fullscreen ||
2359               /* no decorations and fills the monitor = oldskool fullscreen */
2360               (self->frame != NULL &&
2361                (self->frame->size.right == 0 && self->frame->size.left == 0 &&
2362                 self->frame->size.bottom == 0 && self->frame->size.top == 0 &&
2363                 RECT_EQUAL(self->area,
2364                            *screen_physical_area_monitor
2365                            (client_monitor(self)))))) &&
2366              (client_focused(self) || client_search_focus_tree(self)))
2367         l = OB_STACKING_LAYER_FULLSCREEN;
2368     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2369     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2370     else l = OB_STACKING_LAYER_NORMAL;
2371
2372     return l;
2373 }
2374
2375 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2376                                         ObStackingLayer min)
2377 {
2378     ObStackingLayer old, own;
2379     GSList *it;
2380
2381     old = self->layer;
2382     own = calc_layer(self);
2383     self->layer = MAX(own, min);
2384
2385     if (self->layer != old) {
2386         stacking_remove(CLIENT_AS_WINDOW(self));
2387         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2388     }
2389
2390     for (it = self->transients; it; it = g_slist_next(it))
2391         client_calc_layer_recursive(it->data, orig,
2392                                     self->layer);
2393 }
2394
2395 void client_calc_layer(ObClient *self)
2396 {
2397     ObClient *orig;
2398     GSList *it;
2399
2400     orig = self;
2401
2402     /* transients take on the layer of their parents */
2403     it = client_search_all_top_parents(self);
2404
2405     for (; it; it = g_slist_next(it))
2406         client_calc_layer_recursive(it->data, orig, 0);
2407 }
2408
2409 gboolean client_should_show(ObClient *self)
2410 {
2411     if (self->iconic)
2412         return FALSE;
2413     if (client_normal(self) && screen_showing_desktop)
2414         return FALSE;
2415     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2416         return TRUE;
2417
2418     return FALSE;
2419 }
2420
2421 void client_show(ObClient *self)
2422 {
2423
2424     if (client_should_show(self)) {
2425         frame_show(self->frame);
2426     }
2427
2428     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2429        needs to be in IconicState. This includes when it is on another
2430        desktop!
2431     */
2432     client_change_wm_state(self);
2433 }
2434
2435 void client_hide(ObClient *self)
2436 {
2437     if (!client_should_show(self)) {
2438         frame_hide(self->frame);
2439
2440         client_call_notifies(self, client_hide_notifies);
2441     }
2442
2443     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2444        needs to be in IconicState. This includes when it is on another
2445        desktop!
2446     */
2447     client_change_wm_state(self);
2448 }
2449
2450 void client_showhide(ObClient *self)
2451 {
2452
2453     if (client_should_show(self)) {
2454         frame_show(self->frame);
2455     }
2456     else {
2457         frame_hide(self->frame);
2458
2459         client_call_notifies(self, client_hide_notifies);
2460     }
2461
2462     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2463        needs to be in IconicState. This includes when it is on another
2464        desktop!
2465     */
2466     client_change_wm_state(self);
2467 }
2468
2469 gboolean client_normal(ObClient *self) {
2470     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2471               self->type == OB_CLIENT_TYPE_DOCK ||
2472               self->type == OB_CLIENT_TYPE_SPLASH);
2473 }
2474
2475 gboolean client_helper(ObClient *self)
2476 {
2477     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2478             self->type == OB_CLIENT_TYPE_MENU ||
2479             self->type == OB_CLIENT_TYPE_TOOLBAR);
2480 }
2481
2482 gboolean client_mouse_focusable(ObClient *self)
2483 {
2484     return !(self->type == OB_CLIENT_TYPE_MENU ||
2485              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2486              self->type == OB_CLIENT_TYPE_SPLASH ||
2487              self->type == OB_CLIENT_TYPE_DOCK);
2488 }
2489
2490 gboolean client_enter_focusable(ObClient *self)
2491 {
2492     /* you can focus desktops but it shouldn't on enter */
2493     return (client_mouse_focusable(self) &&
2494             self->type != OB_CLIENT_TYPE_DESKTOP);
2495 }
2496
2497
2498 static void client_apply_startup_state(ObClient *self)
2499 {
2500     /* set the desktop hint, to make sure that it always exists */
2501     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2502
2503     /* these are in a carefully crafted order.. */
2504
2505     if (self->iconic) {
2506         self->iconic = FALSE;
2507         client_iconify(self, TRUE, FALSE, TRUE);
2508     }
2509     if (self->fullscreen) {
2510         self->fullscreen = FALSE;
2511         client_fullscreen(self, TRUE);
2512     }
2513     if (self->undecorated) {
2514         self->undecorated = FALSE;
2515         client_set_undecorated(self, TRUE);
2516     }
2517     if (self->shaded) {
2518         self->shaded = FALSE;
2519         client_shade(self, TRUE);
2520     }
2521     if (self->demands_attention) {
2522         self->demands_attention = FALSE;
2523         client_hilite(self, TRUE);
2524     }
2525
2526     if (self->max_vert && self->max_horz) {
2527         self->max_vert = self->max_horz = FALSE;
2528         client_maximize(self, TRUE, 0);
2529     } else if (self->max_vert) {
2530         self->max_vert = FALSE;
2531         client_maximize(self, TRUE, 2);
2532     } else if (self->max_horz) {
2533         self->max_horz = FALSE;
2534         client_maximize(self, TRUE, 1);
2535     }
2536
2537     /* nothing to do for the other states:
2538        skip_taskbar
2539        skip_pager
2540        modal
2541        above
2542        below
2543     */
2544 }
2545
2546 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2547                             gint w, gint h)
2548 {
2549     gint oldg = self->gravity;
2550
2551     /* get the frame's position from the requested stuff */
2552     self->gravity = gravity;
2553     frame_client_gravity(self->frame, x, y, w, h);
2554     self->gravity = oldg;
2555
2556     /* get the client's position in its true gravity from that */
2557     frame_frame_gravity(self->frame, x, y, w, h);
2558 }
2559
2560 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2561                           gint *logicalw, gint *logicalh,
2562                           gboolean user)
2563 {
2564     Rect desired_area = {*x, *y, *w, *h};
2565
2566     /* make the frame recalculate its dimentions n shit without changing
2567        anything visible for real, this way the constraints below can work with
2568        the updated frame dimensions. */
2569     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2570
2571     /* work within the prefered sizes given by the window */
2572     if (!(*w == self->area.width && *h == self->area.height)) {
2573         gint basew, baseh, minw, minh;
2574
2575         /* base size is substituted with min size if not specified */
2576         if (self->base_size.width || self->base_size.height) {
2577             basew = self->base_size.width;
2578             baseh = self->base_size.height;
2579         } else {
2580             basew = self->min_size.width;
2581             baseh = self->min_size.height;
2582         }
2583         /* min size is substituted with base size if not specified */
2584         if (self->min_size.width || self->min_size.height) {
2585             minw = self->min_size.width;
2586             minh = self->min_size.height;
2587         } else {
2588             minw = self->base_size.width;
2589             minh = self->base_size.height;
2590         }
2591
2592         /* if this is a user-requested resize, then check against min/max
2593            sizes */
2594
2595         /* smaller than min size or bigger than max size? */
2596         if (*w > self->max_size.width) *w = self->max_size.width;
2597         if (*w < minw) *w = minw;
2598         if (*h > self->max_size.height) *h = self->max_size.height;
2599         if (*h < minh) *h = minh;
2600
2601         *w -= basew;
2602         *h -= baseh;
2603
2604         /* keep to the increments */
2605         *w /= self->size_inc.width;
2606         *h /= self->size_inc.height;
2607
2608         /* you cannot resize to nothing */
2609         if (basew + *w < 1) *w = 1 - basew;
2610         if (baseh + *h < 1) *h = 1 - baseh;
2611
2612         /* save the logical size */
2613         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2614         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2615
2616         *w *= self->size_inc.width;
2617         *h *= self->size_inc.height;
2618
2619         *w += basew;
2620         *h += baseh;
2621
2622         /* adjust the height to match the width for the aspect ratios.
2623            for this, min size is not substituted for base size ever. */
2624         *w -= self->base_size.width;
2625         *h -= self->base_size.height;
2626
2627         if (!self->fullscreen) {
2628             if (self->min_ratio)
2629                 if (*h * self->min_ratio > *w) {
2630                     *h = (gint)(*w / self->min_ratio);
2631
2632                     /* you cannot resize to nothing */
2633                     if (*h < 1) {
2634                         *h = 1;
2635                         *w = (gint)(*h * self->min_ratio);
2636                     }
2637                 }
2638             if (self->max_ratio)
2639                 if (*h * self->max_ratio < *w) {
2640                     *h = (gint)(*w / self->max_ratio);
2641
2642                     /* you cannot resize to nothing */
2643                     if (*h < 1) {
2644                         *h = 1;
2645                         *w = (gint)(*h * self->min_ratio);
2646                     }
2647                 }
2648         }
2649
2650         *w += self->base_size.width;
2651         *h += self->base_size.height;
2652     }
2653
2654     /* gets the frame's position */
2655     frame_client_gravity(self->frame, x, y, *w, *h);
2656
2657     /* these positions are frame positions, not client positions */
2658
2659     /* set the size and position if fullscreen */
2660     if (self->fullscreen) {
2661         Rect *a;
2662         guint i;
2663
2664         i = screen_find_monitor(&desired_area);
2665         a = screen_physical_area_monitor(i);
2666
2667         *x = a->x;
2668         *y = a->y;
2669         *w = a->width;
2670         *h = a->height;
2671
2672         user = FALSE; /* ignore if the client can't be moved/resized when it
2673                          is entering fullscreen */
2674     } else if (self->max_horz || self->max_vert) {
2675         Rect *a;
2676         guint i;
2677
2678         i = screen_find_monitor(&desired_area);
2679         a = screen_area_monitor(self->desktop, i);
2680
2681         /* set the size and position if maximized */
2682         if (self->max_horz) {
2683             *x = a->x;
2684             *w = a->width - self->frame->size.left - self->frame->size.right;
2685         }
2686         if (self->max_vert) {
2687             *y = a->y;
2688             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2689         }
2690
2691         /* maximizing is not allowed if the user can't move+resize the window
2692          */
2693     }
2694
2695     /* gets the client's position */
2696     frame_frame_gravity(self->frame, x, y, *w, *h);
2697
2698     /* these override the above states! if you cant move you can't move! */
2699     if (user) {
2700         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2701             *x = self->area.x;
2702             *y = self->area.y;
2703         }
2704         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2705             *w = self->area.width;
2706             *h = self->area.height;
2707         }
2708     }
2709
2710     g_assert(*w > 0);
2711     g_assert(*h > 0);
2712 }
2713
2714
2715 void client_configure_full(ObClient *self, gint x, gint y, gint w, gint h,
2716                            gboolean user, gboolean final)
2717 {
2718     gint oldw, oldh;
2719     gboolean send_resize_client;
2720     gboolean moved = FALSE, resized = FALSE;
2721     guint fdecor = self->frame->decorations;
2722     gboolean fhorz = self->frame->max_horz;
2723     gint logicalw, logicalh;
2724
2725     /* find the new x, y, width, and height (and logical size) */
2726     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2727
2728     /* set the logical size if things changed */
2729     if (!(w == self->area.width && h == self->area.height))
2730         SIZE_SET(self->logical_size, logicalw, logicalh);
2731
2732     /* figure out if we moved or resized or what */
2733     moved = x != self->area.x || y != self->area.y;
2734     resized = w != self->area.width || h != self->area.height;
2735
2736     oldw = self->area.width;
2737     oldh = self->area.height;
2738     RECT_SET(self->area, x, y, w, h);
2739
2740     /* for app-requested resizes, always resize if 'resized' is true.
2741        for user-requested ones, only resize if final is true, or when
2742        resizing in redraw mode */
2743     send_resize_client = ((!user && resized) ||
2744                           (user && (final ||
2745                                     (resized && config_resize_redraw))));
2746
2747     /* if the client is enlarging, then resize the client before the frame */
2748     if (send_resize_client && (w > oldw || h > oldh)) {
2749         XResizeWindow(ob_display, self->window,
2750                       MAX(w, oldw), MAX(h, oldh));
2751         /* resize the plate to show the client padding color underneath */
2752         frame_adjust_client_area(self->frame);
2753     }
2754
2755     /* find the frame's dimensions and move/resize it */
2756     if (self->decorations != fdecor || self->max_horz != fhorz)
2757         moved = resized = TRUE;
2758     if (moved || resized)
2759         frame_adjust_area(self->frame, moved, resized, FALSE);
2760
2761     if ((!user || (user && final)) && !resized)
2762     {
2763         XEvent event;
2764
2765         POINT_SET(self->root_pos,
2766                   self->frame->area.x + self->frame->size.left -
2767                   self->border_width,
2768                   self->frame->area.y + self->frame->size.top -
2769                   self->border_width);
2770
2771         event.type = ConfigureNotify;
2772         event.xconfigure.display = ob_display;
2773         event.xconfigure.event = self->window;
2774         event.xconfigure.window = self->window;
2775
2776         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2777                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2778
2779         /* root window real coords */
2780         event.xconfigure.x = self->root_pos.x;
2781         event.xconfigure.y = self->root_pos.y;
2782         event.xconfigure.width = w;
2783         event.xconfigure.height = h;
2784         event.xconfigure.border_width = 0;
2785         event.xconfigure.above = self->frame->plate;
2786         event.xconfigure.override_redirect = FALSE;
2787         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2788                    FALSE, StructureNotifyMask, &event);
2789     }
2790
2791     /* if the client is shrinking, then resize the frame before the client */
2792     if (send_resize_client && (w <= oldw || h <= oldh)) {
2793         /* resize the plate to show the client padding color underneath */
2794         frame_adjust_client_area(self->frame);
2795
2796         if (send_resize_client)
2797             XResizeWindow(ob_display, self->window, w, h);
2798     }
2799
2800     XFlush(ob_display);
2801 }
2802
2803 void client_fullscreen(ObClient *self, gboolean fs)
2804 {
2805     gint x, y, w, h;
2806
2807     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2808         self->fullscreen == fs) return;                   /* already done */
2809
2810     self->fullscreen = fs;
2811     client_change_state(self); /* change the state hints on the client */
2812     client_calc_layer(self);   /* and adjust out layer/stacking */
2813
2814     if (fs) {
2815         self->pre_fullscreen_area = self->area;
2816         /* if the window is maximized, its area isn't all that meaningful.
2817            save it's premax area instead. */
2818         if (self->max_horz) {
2819             self->pre_fullscreen_area.x = self->pre_max_area.x;
2820             self->pre_fullscreen_area.width = self->pre_max_area.width;
2821         }
2822         if (self->max_vert) {
2823             self->pre_fullscreen_area.y = self->pre_max_area.y;
2824             self->pre_fullscreen_area.height = self->pre_max_area.height;
2825         }
2826
2827         /* these will help configure_full figure out where to fullscreen
2828            the window */
2829         x = self->area.x;
2830         y = self->area.y;
2831         w = self->area.width;
2832         h = self->area.height;
2833     } else {
2834         g_assert(self->pre_fullscreen_area.width > 0 &&
2835                  self->pre_fullscreen_area.height > 0);
2836
2837         x = self->pre_fullscreen_area.x;
2838         y = self->pre_fullscreen_area.y;
2839         w = self->pre_fullscreen_area.width;
2840         h = self->pre_fullscreen_area.height;
2841         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2842     }
2843
2844     client_setup_decor_and_functions(self);
2845
2846     client_move_resize(self, x, y, w, h);
2847
2848     /* try focus us when we go into fullscreen mode */
2849     client_focus(self);
2850 }
2851
2852 static void client_iconify_recursive(ObClient *self,
2853                                      gboolean iconic, gboolean curdesk,
2854                                      gboolean hide_animation)
2855 {
2856     GSList *it;
2857     gboolean changed = FALSE;
2858
2859
2860     if (self->iconic != iconic) {
2861         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2862                  self->window);
2863
2864         if (iconic) {
2865             /* don't let non-normal windows iconify along with their parents
2866                or whatever */
2867             if (client_normal(self)) {
2868                 self->iconic = iconic;
2869
2870                 /* update the focus lists.. iconic windows go to the bottom of
2871                    the list, put the new iconic window at the 'top of the
2872                    bottom'. */
2873                 focus_order_to_top(self);
2874
2875                 changed = TRUE;
2876             }
2877         } else {
2878             self->iconic = iconic;
2879
2880             if (curdesk && self->desktop != screen_desktop &&
2881                 self->desktop != DESKTOP_ALL)
2882                 client_set_desktop(self, screen_desktop, FALSE);
2883
2884             /* this puts it after the current focused window */
2885             focus_order_remove(self);
2886             focus_order_add_new(self);
2887
2888             changed = TRUE;
2889         }
2890     }
2891
2892     if (changed) {
2893         client_change_state(self);
2894         if (config_animate_iconify && !hide_animation)
2895             frame_begin_iconify_animation(self->frame, iconic);
2896         /* do this after starting the animation so it doesn't flash */
2897         client_showhide(self);
2898     }
2899
2900     /* iconify all direct transients, and deiconify all transients
2901        (non-direct too) */
2902     for (it = self->transients; it; it = g_slist_next(it))
2903         if (it->data != self)
2904             if (client_is_direct_child(self, it->data) || !iconic)
2905                 client_iconify_recursive(it->data, iconic, curdesk,
2906                                          hide_animation);
2907 }
2908
2909 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2910                     gboolean hide_animation)
2911 {
2912     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2913         /* move up the transient chain as far as possible first */
2914         self = client_search_top_normal_parent(self);
2915         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2916     }
2917 }
2918
2919 void client_maximize(ObClient *self, gboolean max, gint dir)
2920 {
2921     gint x, y, w, h;
2922
2923     g_assert(dir == 0 || dir == 1 || dir == 2);
2924     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2925
2926     /* check if already done */
2927     if (max) {
2928         if (dir == 0 && self->max_horz && self->max_vert) return;
2929         if (dir == 1 && self->max_horz) return;
2930         if (dir == 2 && self->max_vert) return;
2931     } else {
2932         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2933         if (dir == 1 && !self->max_horz) return;
2934         if (dir == 2 && !self->max_vert) return;
2935     }
2936
2937     /* these will help configure_full figure out which screen to fill with
2938        the window */
2939     x = self->area.x;
2940     y = self->area.y;
2941     w = self->area.width;
2942     h = self->area.height;
2943
2944     if (max) {
2945         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2946             RECT_SET(self->pre_max_area,
2947                      self->area.x, self->pre_max_area.y,
2948                      self->area.width, self->pre_max_area.height);
2949         }
2950         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2951             RECT_SET(self->pre_max_area,
2952                      self->pre_max_area.x, self->area.y,
2953                      self->pre_max_area.width, self->area.height);
2954         }
2955     } else {
2956         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2957             g_assert(self->pre_max_area.width > 0);
2958
2959             x = self->pre_max_area.x;
2960             w = self->pre_max_area.width;
2961
2962             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2963                      0, self->pre_max_area.height);
2964         }
2965         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2966             g_assert(self->pre_max_area.height > 0);
2967
2968             y = self->pre_max_area.y;
2969             h = self->pre_max_area.height;
2970
2971             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2972                      self->pre_max_area.width, 0);
2973         }
2974     }
2975
2976     if (dir == 0 || dir == 1) /* horz */
2977         self->max_horz = max;
2978     if (dir == 0 || dir == 2) /* vert */
2979         self->max_vert = max;
2980
2981     client_change_state(self); /* change the state hints on the client */
2982
2983     client_setup_decor_and_functions(self);
2984
2985     client_move_resize(self, x, y, w, h);
2986 }
2987
2988 void client_shade(ObClient *self, gboolean shade)
2989 {
2990     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2991          shade) ||                         /* can't shade */
2992         self->shaded == shade) return;     /* already done */
2993
2994     self->shaded = shade;
2995     client_change_state(self);
2996     client_change_wm_state(self); /* the window is being hidden/shown */
2997     /* resize the frame to just the titlebar */
2998     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2999 }
3000
3001 void client_close(ObClient *self)
3002 {
3003     XEvent ce;
3004
3005     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3006
3007     /* in the case that the client provides no means to requesting that it
3008        close, we just kill it */
3009     if (!self->delete_window)
3010         client_kill(self);
3011
3012     /*
3013       XXX: itd be cool to do timeouts and shit here for killing the client's
3014       process off
3015       like... if the window is around after 5 seconds, then the close button
3016       turns a nice red, and if this function is called again, the client is
3017       explicitly killed.
3018     */
3019
3020     ce.xclient.type = ClientMessage;
3021     ce.xclient.message_type =  prop_atoms.wm_protocols;
3022     ce.xclient.display = ob_display;
3023     ce.xclient.window = self->window;
3024     ce.xclient.format = 32;
3025     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3026     ce.xclient.data.l[1] = event_curtime;
3027     ce.xclient.data.l[2] = 0l;
3028     ce.xclient.data.l[3] = 0l;
3029     ce.xclient.data.l[4] = 0l;
3030     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3031 }
3032
3033 void client_kill(ObClient *self)
3034 {
3035     XKillClient(ob_display, self->window);
3036 }
3037
3038 void client_hilite(ObClient *self, gboolean hilite)
3039 {
3040     if (self->demands_attention == hilite)
3041         return; /* no change */
3042
3043     /* don't allow focused windows to hilite */
3044     self->demands_attention = hilite && !client_focused(self);
3045     if (self->frame != NULL) { /* if we're mapping, just set the state */
3046         if (self->demands_attention)
3047             frame_flash_start(self->frame);
3048         else
3049             frame_flash_stop(self->frame);
3050         client_change_state(self);
3051     }
3052 }
3053
3054 void client_set_desktop_recursive(ObClient *self,
3055                                   guint target,
3056                                   gboolean donthide)
3057 {
3058     guint old;
3059     GSList *it;
3060
3061     if (target != self->desktop) {
3062
3063         ob_debug("Setting desktop %u\n", target+1);
3064
3065         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3066
3067         old = self->desktop;
3068         self->desktop = target;
3069         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3070         /* the frame can display the current desktop state */
3071         frame_adjust_state(self->frame);
3072         /* 'move' the window to the new desktop */
3073         if (!donthide)
3074             client_showhide(self);
3075         /* raise if it was not already on the desktop */
3076         if (old != DESKTOP_ALL)
3077             stacking_raise(CLIENT_AS_WINDOW(self));
3078         if (STRUT_EXISTS(self->strut))
3079             screen_update_areas();
3080     }
3081
3082     /* move all transients */
3083     for (it = self->transients; it; it = g_slist_next(it))
3084         if (it->data != self)
3085             if (client_is_direct_child(self, it->data))
3086                 client_set_desktop_recursive(it->data, target, donthide);
3087 }
3088
3089 void client_set_desktop(ObClient *self, guint target,
3090                         gboolean donthide)
3091 {
3092     self = client_search_top_normal_parent(self);
3093     client_set_desktop_recursive(self, target, donthide);
3094 }
3095
3096 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3097 {
3098     while (child != parent &&
3099            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3100         child = child->transient_for;
3101     return child == parent;
3102 }
3103
3104 ObClient *client_search_modal_child(ObClient *self)
3105 {
3106     GSList *it;
3107     ObClient *ret;
3108
3109     for (it = self->transients; it; it = g_slist_next(it)) {
3110         ObClient *c = it->data;
3111         if ((ret = client_search_modal_child(c))) return ret;
3112         if (c->modal) return c;
3113     }
3114     return NULL;
3115 }
3116
3117 gboolean client_validate(ObClient *self)
3118 {
3119     XEvent e;
3120
3121     XSync(ob_display, FALSE); /* get all events on the server */
3122
3123     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3124         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3125         XPutBackEvent(ob_display, &e);
3126         return FALSE;
3127     }
3128
3129     return TRUE;
3130 }
3131
3132 void client_set_wm_state(ObClient *self, glong state)
3133 {
3134     if (state == self->wmstate) return; /* no change */
3135
3136     switch (state) {
3137     case IconicState:
3138         client_iconify(self, TRUE, TRUE, FALSE);
3139         break;
3140     case NormalState:
3141         client_iconify(self, FALSE, TRUE, FALSE);
3142         break;
3143     }
3144 }
3145
3146 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3147 {
3148     gboolean shaded = self->shaded;
3149     gboolean fullscreen = self->fullscreen;
3150     gboolean undecorated = self->undecorated;
3151     gboolean max_horz = self->max_horz;
3152     gboolean max_vert = self->max_vert;
3153     gboolean modal = self->modal;
3154     gboolean iconic = self->iconic;
3155     gboolean demands_attention = self->demands_attention;
3156     gboolean above = self->above;
3157     gboolean below = self->below;
3158     gint i;
3159
3160     if (!(action == prop_atoms.net_wm_state_add ||
3161           action == prop_atoms.net_wm_state_remove ||
3162           action == prop_atoms.net_wm_state_toggle))
3163         /* an invalid action was passed to the client message, ignore it */
3164         return;
3165
3166     for (i = 0; i < 2; ++i) {
3167         Atom state = i == 0 ? data1 : data2;
3168
3169         if (!state) continue;
3170
3171         /* if toggling, then pick whether we're adding or removing */
3172         if (action == prop_atoms.net_wm_state_toggle) {
3173             if (state == prop_atoms.net_wm_state_modal)
3174                 action = modal ? prop_atoms.net_wm_state_remove :
3175                     prop_atoms.net_wm_state_add;
3176             else if (state == prop_atoms.net_wm_state_maximized_vert)
3177                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3178                     prop_atoms.net_wm_state_add;
3179             else if (state == prop_atoms.net_wm_state_maximized_horz)
3180                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3181                     prop_atoms.net_wm_state_add;
3182             else if (state == prop_atoms.net_wm_state_shaded)
3183                 action = shaded ? prop_atoms.net_wm_state_remove :
3184                     prop_atoms.net_wm_state_add;
3185             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3186                 action = self->skip_taskbar ?
3187                     prop_atoms.net_wm_state_remove :
3188                     prop_atoms.net_wm_state_add;
3189             else if (state == prop_atoms.net_wm_state_skip_pager)
3190                 action = self->skip_pager ?
3191                     prop_atoms.net_wm_state_remove :
3192                     prop_atoms.net_wm_state_add;
3193             else if (state == prop_atoms.net_wm_state_hidden)
3194                 action = self->iconic ?
3195                     prop_atoms.net_wm_state_remove :
3196                     prop_atoms.net_wm_state_add;
3197             else if (state == prop_atoms.net_wm_state_fullscreen)
3198                 action = fullscreen ?
3199                     prop_atoms.net_wm_state_remove :
3200                     prop_atoms.net_wm_state_add;
3201             else if (state == prop_atoms.net_wm_state_above)
3202                 action = self->above ? prop_atoms.net_wm_state_remove :
3203                     prop_atoms.net_wm_state_add;
3204             else if (state == prop_atoms.net_wm_state_below)
3205                 action = self->below ? prop_atoms.net_wm_state_remove :
3206                     prop_atoms.net_wm_state_add;
3207             else if (state == prop_atoms.net_wm_state_demands_attention)
3208                 action = self->demands_attention ?
3209                     prop_atoms.net_wm_state_remove :
3210                     prop_atoms.net_wm_state_add;
3211             else if (state == prop_atoms.ob_wm_state_undecorated)
3212                 action = undecorated ? prop_atoms.net_wm_state_remove :
3213                     prop_atoms.net_wm_state_add;
3214         }
3215
3216         if (action == prop_atoms.net_wm_state_add) {
3217             if (state == prop_atoms.net_wm_state_modal) {
3218                 modal = TRUE;
3219             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3220                 max_vert = TRUE;
3221             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3222                 max_horz = TRUE;
3223             } else if (state == prop_atoms.net_wm_state_shaded) {
3224                 shaded = TRUE;
3225             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3226                 self->skip_taskbar = TRUE;
3227             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3228                 self->skip_pager = TRUE;
3229             } else if (state == prop_atoms.net_wm_state_hidden) {
3230                 iconic = TRUE;
3231             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3232                 fullscreen = TRUE;
3233             } else if (state == prop_atoms.net_wm_state_above) {
3234                 above = TRUE;
3235                 below = FALSE;
3236             } else if (state == prop_atoms.net_wm_state_below) {
3237                 above = FALSE;
3238                 below = TRUE;
3239             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3240                 demands_attention = TRUE;
3241             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3242                 undecorated = TRUE;
3243             }
3244
3245         } else { /* action == prop_atoms.net_wm_state_remove */
3246             if (state == prop_atoms.net_wm_state_modal) {
3247                 modal = FALSE;
3248             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3249                 max_vert = FALSE;
3250             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3251                 max_horz = FALSE;
3252             } else if (state == prop_atoms.net_wm_state_shaded) {
3253                 shaded = FALSE;
3254             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3255                 self->skip_taskbar = FALSE;
3256             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3257                 self->skip_pager = FALSE;
3258             } else if (state == prop_atoms.net_wm_state_hidden) {
3259                 iconic = FALSE;
3260             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3261                 fullscreen = FALSE;
3262             } else if (state == prop_atoms.net_wm_state_above) {
3263                 above = FALSE;
3264             } else if (state == prop_atoms.net_wm_state_below) {
3265                 below = FALSE;
3266             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3267                 demands_attention = FALSE;
3268             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3269                 undecorated = FALSE;
3270             }
3271         }
3272     }
3273     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3274         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3275             /* toggling both */
3276             if (max_horz == max_vert) { /* both going the same way */
3277                 client_maximize(self, max_horz, 0);
3278             } else {
3279                 client_maximize(self, max_horz, 1);
3280                 client_maximize(self, max_vert, 2);
3281             }
3282         } else {
3283             /* toggling one */
3284             if (max_horz != self->max_horz)
3285                 client_maximize(self, max_horz, 1);
3286             else
3287                 client_maximize(self, max_vert, 2);
3288         }
3289     }
3290     /* change fullscreen state before shading, as it will affect if the window
3291        can shade or not */
3292     if (fullscreen != self->fullscreen)
3293         client_fullscreen(self, fullscreen);
3294     if (shaded != self->shaded)
3295         client_shade(self, shaded);
3296     if (undecorated != self->undecorated)
3297         client_set_undecorated(self, undecorated);
3298     if (modal != self->modal) {
3299         self->modal = modal;
3300         /* when a window changes modality, then its stacking order with its
3301            transients needs to change */
3302         stacking_raise(CLIENT_AS_WINDOW(self));
3303     }
3304     if (iconic != self->iconic)
3305         client_iconify(self, iconic, FALSE, FALSE);
3306
3307     if (demands_attention != self->demands_attention)
3308         client_hilite(self, demands_attention);
3309
3310     if (above != self->above || below != self->below) {
3311         self->above = above;
3312         self->below = below;
3313         client_calc_layer(self);
3314     }
3315
3316     client_change_state(self); /* change the hint to reflect these changes */
3317 }
3318
3319 ObClient *client_focus_target(ObClient *self)
3320 {
3321     ObClient *child = NULL;
3322
3323     child = client_search_modal_child(self);
3324     if (child) return child;
3325     return self;
3326 }
3327
3328 gboolean client_can_focus(ObClient *self)
3329 {
3330     XEvent ev;
3331
3332     /* choose the correct target */
3333     self = client_focus_target(self);
3334
3335     if (!self->frame->visible)
3336         return FALSE;
3337
3338     if (!(self->can_focus || self->focus_notify))
3339         return FALSE;
3340
3341     /* do a check to see if the window has already been unmapped or destroyed
3342        do this intelligently while watching out for unmaps we've generated
3343        (ignore_unmaps > 0) */
3344     if (XCheckTypedWindowEvent(ob_display, self->window,
3345                                DestroyNotify, &ev)) {
3346         XPutBackEvent(ob_display, &ev);
3347         return FALSE;
3348     }
3349     while (XCheckTypedWindowEvent(ob_display, self->window,
3350                                   UnmapNotify, &ev)) {
3351         if (self->ignore_unmaps) {
3352             self->ignore_unmaps--;
3353         } else {
3354             XPutBackEvent(ob_display, &ev);
3355             return FALSE;
3356         }
3357     }
3358
3359     return TRUE;
3360 }
3361
3362 gboolean client_focus(ObClient *self)
3363 {
3364     /* choose the correct target */
3365     self = client_focus_target(self);
3366
3367     if (!client_can_focus(self)) {
3368         if (!self->frame->visible) {
3369             /* update the focus lists */
3370             focus_order_to_top(self);
3371         }
3372         return FALSE;
3373     }
3374
3375     ob_debug_type(OB_DEBUG_FOCUS,
3376                   "Focusing client \"%s\" at time %u\n",
3377                   self->title, event_curtime);
3378
3379     /* if there is a grab going on, then we need to cancel it. if we move
3380        focus during the grab, applications will get NotifyWhileGrabbed events
3381        and ignore them !
3382
3383        actions should not rely on being able to move focus during an
3384        interactive grab.
3385     */
3386     if (keyboard_interactively_grabbed())
3387         keyboard_interactive_cancel();
3388
3389     if (self->can_focus) {
3390         /* This can cause a BadMatch error with CurrentTime, or if an app
3391            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3392         xerror_set_ignore(TRUE);
3393         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3394                        event_curtime);
3395         xerror_set_ignore(FALSE);
3396     }
3397
3398     if (self->focus_notify) {
3399         XEvent ce;
3400         ce.xclient.type = ClientMessage;
3401         ce.xclient.message_type = prop_atoms.wm_protocols;
3402         ce.xclient.display = ob_display;
3403         ce.xclient.window = self->window;
3404         ce.xclient.format = 32;
3405         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3406         ce.xclient.data.l[1] = event_curtime;
3407         ce.xclient.data.l[2] = 0l;
3408         ce.xclient.data.l[3] = 0l;
3409         ce.xclient.data.l[4] = 0l;
3410         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3411     }
3412
3413 #ifdef DEBUG_FOCUS
3414     ob_debug("%sively focusing %lx at %d\n",
3415              (self->can_focus ? "act" : "pass"),
3416              self->window, (gint) event_curtime);
3417 #endif
3418
3419     /* Cause the FocusIn to come back to us. Important for desktop switches,
3420        since otherwise we'll have no FocusIn on the queue and send it off to
3421        the focus_backup. */
3422     XSync(ob_display, FALSE);
3423     return TRUE;
3424 }
3425
3426 /*! Present the client to the user.
3427   @param raise If the client should be raised or not. You should only set
3428                raise to false if you don't care if the window is completely
3429                hidden.
3430 */
3431 static void client_present(ObClient *self, gboolean here, gboolean raise)
3432 {
3433     /* if using focus_delay, stop the timer now so that focus doesn't
3434        go moving on us */
3435     event_halt_focus_delay();
3436
3437     if (client_normal(self) && screen_showing_desktop)
3438         screen_show_desktop(FALSE, self);
3439     if (self->iconic)
3440         client_iconify(self, FALSE, here, FALSE);
3441     if (self->desktop != DESKTOP_ALL &&
3442         self->desktop != screen_desktop)
3443     {
3444         if (here)
3445             client_set_desktop(self, screen_desktop, FALSE);
3446         else
3447             screen_set_desktop(self->desktop, FALSE);
3448     } else if (!self->frame->visible)
3449         /* if its not visible for other reasons, then don't mess
3450            with it */
3451         return;
3452     if (self->shaded)
3453         client_shade(self, FALSE);
3454     if (raise)
3455         stacking_raise(CLIENT_AS_WINDOW(self));
3456
3457     client_focus(self);
3458 }
3459
3460 void client_activate(ObClient *self, gboolean here, gboolean user)
3461 {
3462     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3463     gboolean allow = FALSE;
3464
3465     /* if the request came from the user, or if nothing is focused, then grant
3466        the request.
3467        if the currently focused app doesn't set a user_time, then it can't
3468        benefit from any focus stealing prevention.
3469     */
3470     if (user || !focus_client || !last_time)
3471         allow = TRUE;
3472     /* otherwise, if they didn't give a time stamp or if it is too old, they
3473        don't get focus */
3474     else
3475         allow = event_curtime && event_time_after(event_curtime, last_time);
3476
3477     ob_debug_type(OB_DEBUG_FOCUS,
3478                   "Want to activate window 0x%x with time %u (last time %u), "
3479                   "source=%s allowing? %d\n",
3480                   self->window, event_curtime, last_time,
3481                   (user ? "user" : "application"), allow);
3482
3483     if (allow) {
3484         if (event_curtime != CurrentTime)
3485             self->user_time = event_curtime;
3486
3487         client_present(self, here, TRUE);
3488     } else
3489         /* don't focus it but tell the user it wants attention */
3490         client_hilite(self, TRUE);
3491 }
3492
3493 static void client_bring_helper_windows_recursive(ObClient *self,
3494                                                   guint desktop)
3495 {
3496     GSList *it;
3497
3498     for (it = self->transients; it; it = g_slist_next(it))
3499         client_bring_helper_windows_recursive(it->data, desktop);
3500
3501     if (client_helper(self) &&
3502         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3503     {
3504         client_set_desktop(self, desktop, FALSE);
3505     }
3506 }
3507
3508 void client_bring_helper_windows(ObClient *self)
3509 {
3510     client_bring_helper_windows_recursive(self, self->desktop);
3511 }
3512
3513 gboolean client_focused(ObClient *self)
3514 {
3515     return self == focus_client;
3516 }
3517
3518 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3519 {
3520     guint i;
3521     gulong min_diff, min_i;
3522
3523     if (!self->nicons) {
3524         ObClientIcon *parent = NULL;
3525
3526         if (self->transient_for) {
3527             if (self->transient_for != OB_TRAN_GROUP)
3528                 parent = client_icon_recursive(self->transient_for, w, h);
3529             else {
3530                 GSList *it;
3531                 for (it = self->group->members; it; it = g_slist_next(it)) {
3532                     ObClient *c = it->data;
3533                     if (c != self && !c->transient_for) {
3534                         if ((parent = client_icon_recursive(c, w, h)))
3535                             break;
3536                     }
3537                 }
3538             }
3539         }
3540
3541         return parent;
3542     }
3543
3544     /* some kind of crappy approximation to find the icon closest in size to
3545        what we requested, but icons are generally all the same ratio as
3546        eachother so it's good enough. */
3547
3548     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3549     min_i = 0;
3550
3551     for (i = 1; i < self->nicons; ++i) {
3552         gulong diff;
3553
3554         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3555         if (diff < min_diff) {
3556             min_diff = diff;
3557             min_i = i;
3558         }
3559     }
3560     return &self->icons[min_i];
3561 }
3562
3563 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3564 {
3565     ObClientIcon *ret;
3566     static ObClientIcon deficon;
3567
3568     if (!(ret = client_icon_recursive(self, w, h))) {
3569         deficon.width = deficon.height = 48;
3570         deficon.data = ob_rr_theme->def_win_icon;
3571         ret = &deficon;
3572     }
3573     return ret;
3574 }
3575
3576 void client_set_layer(ObClient *self, gint layer)
3577 {
3578     if (layer < 0) {
3579         self->below = TRUE;
3580         self->above = FALSE;
3581     } else if (layer == 0) {
3582         self->below = self->above = FALSE;
3583     } else {
3584         self->below = FALSE;
3585         self->above = TRUE;
3586     }
3587     client_calc_layer(self);
3588     client_change_state(self); /* reflect this in the state hints */
3589 }
3590
3591 void client_set_undecorated(ObClient *self, gboolean undecorated)
3592 {
3593     if (self->undecorated != undecorated) {
3594         self->undecorated = undecorated;
3595         client_setup_decor_and_functions(self);
3596         /* Make sure the client knows it might have moved. Maybe there is a
3597          * better way of doing this so only one client_configure is sent, but
3598          * since 125 of these are sent per second when moving the window (with
3599          * user = FALSE) i doubt it matters much.
3600          */
3601         client_configure(self, self->area.x, self->area.y,
3602                          self->area.width, self->area.height, TRUE, TRUE);
3603         client_change_state(self); /* reflect this in the state hints */
3604     }
3605 }
3606
3607 guint client_monitor(ObClient *self)
3608 {
3609     return screen_find_monitor(&self->frame->area);
3610 }
3611
3612 ObClient *client_search_top_normal_parent(ObClient *self)
3613 {
3614     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3615            client_normal(self->transient_for))
3616         self = self->transient_for;
3617     return self;
3618 }
3619
3620 static GSList *client_search_all_top_parents_internal(ObClient *self,
3621                                                       gboolean bylayer,
3622                                                       ObStackingLayer layer)
3623 {
3624     GSList *ret = NULL;
3625
3626     /* move up the direct transient chain as far as possible */
3627     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3628            (!bylayer || self->transient_for->layer == layer) &&
3629            client_normal(self->transient_for))
3630         self = self->transient_for;
3631
3632     if (!self->transient_for)
3633         ret = g_slist_prepend(ret, self);
3634     else {
3635             GSList *it;
3636
3637             g_assert(self->group);
3638
3639             for (it = self->group->members; it; it = g_slist_next(it)) {
3640                 ObClient *c = it->data;
3641
3642                 if (!c->transient_for && client_normal(c) &&
3643                     (!bylayer || c->layer == layer))
3644                 {
3645                     ret = g_slist_prepend(ret, c);
3646                 }
3647             }
3648
3649             if (ret == NULL) /* no group parents */
3650                 ret = g_slist_prepend(ret, self);
3651     }
3652
3653     return ret;
3654 }
3655
3656 GSList *client_search_all_top_parents(ObClient *self)
3657 {
3658     return client_search_all_top_parents_internal(self, FALSE, 0);
3659 }
3660
3661 GSList *client_search_all_top_parents_layer(ObClient *self)
3662 {
3663     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3664 }
3665
3666 ObClient *client_search_focus_parent(ObClient *self)
3667 {
3668     if (self->transient_for) {
3669         if (self->transient_for != OB_TRAN_GROUP) {
3670             if (client_focused(self->transient_for))
3671                 return self->transient_for;
3672         } else {
3673             GSList *it;
3674
3675             for (it = self->group->members; it; it = g_slist_next(it)) {
3676                 ObClient *c = it->data;
3677
3678                 /* checking transient_for prevents infinate loops! */
3679                 if (c != self && !c->transient_for)
3680                     if (client_focused(c))
3681                         return c;
3682             }
3683         }
3684     }
3685
3686     return NULL;
3687 }
3688
3689 ObClient *client_search_parent(ObClient *self, ObClient *search)
3690 {
3691     if (self->transient_for) {
3692         if (self->transient_for != OB_TRAN_GROUP) {
3693             if (self->transient_for == search)
3694                 return search;
3695         } else {
3696             GSList *it;
3697
3698             for (it = self->group->members; it; it = g_slist_next(it)) {
3699                 ObClient *c = it->data;
3700
3701                 /* checking transient_for prevents infinate loops! */
3702                 if (c != self && !c->transient_for)
3703                     if (c == search)
3704                         return search;
3705             }
3706         }
3707     }
3708
3709     return NULL;
3710 }
3711
3712 ObClient *client_search_transient(ObClient *self, ObClient *search)
3713 {
3714     GSList *sit;
3715
3716     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3717         if (sit->data == search)
3718             return search;
3719         if (client_search_transient(sit->data, search))
3720             return search;
3721     }
3722     return NULL;
3723 }
3724
3725 #define WANT_EDGE(cur, c) \
3726             if(cur == c)                                                      \
3727                 continue;                                                     \
3728             if(!client_normal(cur))                                           \
3729                 continue;                                                     \
3730             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3731                 continue;                                                     \
3732             if(cur->iconic)                                                   \
3733                 continue;
3734
3735 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3736             if ((his_edge_start >= my_edge_start && \
3737                  his_edge_start <= my_edge_end) ||  \
3738                 (my_edge_start >= his_edge_start && \
3739                  my_edge_start <= his_edge_end))    \
3740                 dest = his_offset;
3741
3742 /* finds the nearest edge in the given direction from the current client
3743  * note to self: the edge is the -frame- edge (the actual one), not the
3744  * client edge.
3745  */
3746 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3747 {
3748     gint dest, monitor_dest;
3749     gint my_edge_start, my_edge_end, my_offset;
3750     GList *it;
3751     Rect *a, *monitor;
3752
3753     if(!client_list)
3754         return -1;
3755
3756     a = screen_area(c->desktop);
3757     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3758
3759     switch(dir) {
3760     case OB_DIRECTION_NORTH:
3761         my_edge_start = c->frame->area.x;
3762         my_edge_end = c->frame->area.x + c->frame->area.width;
3763         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3764
3765         /* default: top of screen */
3766         dest = a->y + (hang ? c->frame->area.height : 0);
3767         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3768         /* if the monitor edge comes before the screen edge, */
3769         /* use that as the destination instead. (For xinerama) */
3770         if (monitor_dest != dest && my_offset > monitor_dest)
3771             dest = monitor_dest;
3772
3773         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3774             gint his_edge_start, his_edge_end, his_offset;
3775             ObClient *cur = it->data;
3776
3777             WANT_EDGE(cur, c)
3778
3779             his_edge_start = cur->frame->area.x;
3780             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3781             his_offset = cur->frame->area.y +
3782                          (hang ? 0 : cur->frame->area.height);
3783
3784             if(his_offset + 1 > my_offset)
3785                 continue;
3786
3787             if(his_offset < dest)
3788                 continue;
3789
3790             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3791         }
3792         break;
3793     case OB_DIRECTION_SOUTH:
3794         my_edge_start = c->frame->area.x;
3795         my_edge_end = c->frame->area.x + c->frame->area.width;
3796         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3797
3798         /* default: bottom of screen */
3799         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3800         monitor_dest = monitor->y + monitor->height -
3801                        (hang ? c->frame->area.height : 0);
3802         /* if the monitor edge comes before the screen edge, */
3803         /* use that as the destination instead. (For xinerama) */
3804         if (monitor_dest != dest && my_offset < monitor_dest)
3805             dest = monitor_dest;
3806
3807         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3808             gint his_edge_start, his_edge_end, his_offset;
3809             ObClient *cur = it->data;
3810
3811             WANT_EDGE(cur, c)
3812
3813             his_edge_start = cur->frame->area.x;
3814             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3815             his_offset = cur->frame->area.y +
3816                          (hang ? cur->frame->area.height : 0);
3817
3818
3819             if(his_offset - 1 < my_offset)
3820                 continue;
3821
3822             if(his_offset > dest)
3823                 continue;
3824
3825             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3826         }
3827         break;
3828     case OB_DIRECTION_WEST:
3829         my_edge_start = c->frame->area.y;
3830         my_edge_end = c->frame->area.y + c->frame->area.height;
3831         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3832
3833         /* default: leftmost egde of screen */
3834         dest = a->x + (hang ? c->frame->area.width : 0);
3835         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3836         /* if the monitor edge comes before the screen edge, */
3837         /* use that as the destination instead. (For xinerama) */
3838         if (monitor_dest != dest && my_offset > monitor_dest)
3839             dest = monitor_dest;
3840
3841         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3842             gint his_edge_start, his_edge_end, his_offset;
3843             ObClient *cur = it->data;
3844
3845             WANT_EDGE(cur, c)
3846
3847             his_edge_start = cur->frame->area.y;
3848             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3849             his_offset = cur->frame->area.x +
3850                          (hang ? 0 : cur->frame->area.width);
3851
3852             if(his_offset + 1 > my_offset)
3853                 continue;
3854
3855             if(his_offset < dest)
3856                 continue;
3857
3858             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3859         }
3860        break;
3861     case OB_DIRECTION_EAST:
3862         my_edge_start = c->frame->area.y;
3863         my_edge_end = c->frame->area.y + c->frame->area.height;
3864         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3865
3866         /* default: rightmost edge of screen */
3867         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3868         monitor_dest = monitor->x + monitor->width -
3869                        (hang ? c->frame->area.width : 0);
3870         /* if the monitor edge comes before the screen edge, */
3871         /* use that as the destination instead. (For xinerama) */
3872         if (monitor_dest != dest && my_offset < monitor_dest)
3873             dest = monitor_dest;
3874
3875         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3876             gint his_edge_start, his_edge_end, his_offset;
3877             ObClient *cur = it->data;
3878
3879             WANT_EDGE(cur, c)
3880
3881             his_edge_start = cur->frame->area.y;
3882             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3883             his_offset = cur->frame->area.x +
3884                          (hang ? cur->frame->area.width : 0);
3885
3886             if(his_offset - 1 < my_offset)
3887                 continue;
3888
3889             if(his_offset > dest)
3890                 continue;
3891
3892             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3893         }
3894         break;
3895     case OB_DIRECTION_NORTHEAST:
3896     case OB_DIRECTION_SOUTHEAST:
3897     case OB_DIRECTION_NORTHWEST:
3898     case OB_DIRECTION_SOUTHWEST:
3899         /* not implemented */
3900     default:
3901         g_assert_not_reached();
3902         dest = 0; /* suppress warning */
3903     }
3904     return dest;
3905 }
3906
3907 ObClient* client_under_pointer()
3908 {
3909     gint x, y;
3910     GList *it;
3911     ObClient *ret = NULL;
3912
3913     if (screen_pointer_pos(&x, &y)) {
3914         for (it = stacking_list; it; it = g_list_next(it)) {
3915             if (WINDOW_IS_CLIENT(it->data)) {
3916                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3917                 if (c->frame->visible &&
3918                     /* ignore all animating windows */
3919                     !frame_iconify_animating(c->frame) &&
3920                     RECT_CONTAINS(c->frame->area, x, y))
3921                 {
3922                     ret = c;
3923                     break;
3924                 }
3925             }
3926         }
3927     }
3928     return ret;
3929 }
3930
3931 gboolean client_has_group_siblings(ObClient *self)
3932 {
3933     return self->group && self->group->members->next;
3934 }