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 "screen.h"
  25 #include "moveresize.h"
  26 #include "ping.h"
  27 #include "place.h"
  28 #include "frame.h"
  29 #include "session.h"
  30 #include "event.h"
  31 #include "grab.h"
  32 #include "prompt.h"
  33 #include "focus.h"
  34 #include "stacking.h"
  35 #include "openbox.h"
  36 #include "hooks.h"
  37 #include "group.h"
  38 #include "config.h"
  39 #include "menuframe.h"
  40 #include "keyboard.h"
  41 #include "mouse.h"
  42 #include "render/render.h"
  43 #include "gettext.h"
  44 #include "obt/display.h"
  45 #include "obt/prop.h"
  46
  47 #ifdef HAVE_UNISTD_H
  48 #  include <unistd.h>
  49 #endif
  50
  51 #ifdef HAVE_SIGNAL_H
  52 #  include <signal.h> /* for kill() */
  53 #endif
  54
  55 #include <glib.h>
  56 #include <X11/Xutil.h>
  57
  58 /*! The event mask to grab on client windows */
  59 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  60                           ColormapChangeMask)
  61
  62 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  63                                 ButtonMotionMask)
  64
  65 typedef struct
  66 {
  67     ObClientCallback func;
  68     gpointer data;
  69 } ClientCallback;
  70
  71 GList          *client_list             = NULL;
  72
  73 static GSList  *client_destroy_notifies = NULL;
  74 static RrImage *client_default_icon     = NULL;
  75
  76 static void client_get_all(ObClient *self, gboolean real);
  77 static void client_get_startup_id(ObClient *self);
  78 static void client_get_session_ids(ObClient *self);
  79 static void client_get_area(ObClient *self);
  80 static void client_get_desktop(ObClient *self);
  81 static void client_get_state(ObClient *self);
  82 static void client_get_shaped(ObClient *self);
  83 static void client_get_mwm_hints(ObClient *self);
  84 static void client_get_colormap(ObClient *self);
  85 static void client_set_desktop_recursive(ObClient *self,
  86                                          guint target,
  87                                          gboolean donthide,
  88                                          gboolean dontraise);
  89 static void client_change_allowed_actions(ObClient *self);
  90 static void client_change_state(ObClient *self);
  91 static void client_change_wm_state(ObClient *self);
  92 static void client_apply_startup_state(ObClient *self,
  93                                        gint x, gint y, gint w, gint h);
  94 static void client_restore_session_state(ObClient *self);
  95 static gboolean client_restore_session_stacking(ObClient *self);
  96 static ObAppSettings *client_get_settings_state(ObClient *self);
  97 static void client_update_transient_tree(ObClient *self,
  98                                          ObGroup *oldgroup, ObGroup *newgroup,
  99                                          gboolean oldgtran, gboolean newgtran,
 100                                          ObClient* oldparent,
 101                                          ObClient *newparent);
 102 static void client_present(ObClient *self, gboolean here, gboolean raise,
 103                            gboolean unshade);
 104 static GSList *client_search_all_top_parents_internal(ObClient *self,
 105                                                       gboolean bylayer,
 106                                                       ObStackingLayer layer);
 107 static void client_call_notifies(ObClient *self, GSList *list);
 108 static void client_ping_event(ObClient *self, gboolean dead);
 109 static void client_prompt_kill(ObClient *self);
 110
 111 void client_startup(gboolean reconfig)
 112 {
 113     if ((client_default_icon = RrImageCacheFind(ob_rr_icons,
 114                                                 ob_rr_theme->def_win_icon,
 115                                                 ob_rr_theme->def_win_icon_w,
 116                                                 ob_rr_theme->def_win_icon_h)))
 117         RrImageRef(client_default_icon);
 118     else {
 119         client_default_icon = RrImageNew(ob_rr_icons);
 120         RrImageAddPicture(client_default_icon,
 121                           ob_rr_theme->def_win_icon,
 122                           ob_rr_theme->def_win_icon_w,
 123                           ob_rr_theme->def_win_icon_h);
 124     }
 125
 126     if (reconfig) return;
 127
 128     client_set_list();
 129 }
 130
 131 void client_shutdown(gboolean reconfig)
 132 {
 133     RrImageUnref(client_default_icon);
 134     client_default_icon = NULL;
 135
 136     if (reconfig) return;
 137 }
 138
 139 static void client_call_notifies(ObClient *self, GSList *list)
 140 {
 141     GSList *it;
 142
 143     for (it = list; it; it = g_slist_next(it)) {
 144         ClientCallback *d = it->data;
 145         d->func(self, d->data);
 146     }
 147 }
 148
 149 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 150 {
 151     ClientCallback *d = g_new(ClientCallback, 1);
 152     d->func = func;
 153     d->data = data;
 154     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 155 }
 156
 157 void client_remove_destroy_notify(ObClientCallback func)
 158 {
 159     GSList *it;
 160
 161     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 162         ClientCallback *d = it->data;
 163         if (d->func == func) {
 164             g_free(d);
 165             client_destroy_notifies =
 166                 g_slist_delete_link(client_destroy_notifies, it);
 167             break;
 168         }
 169     }
 170 }
 171
 172 void client_set_list(void)
 173 {
 174     Window *windows, *win_it;
 175     GList *it;
 176     guint size = g_list_length(client_list);
 177
 178     /* create an array of the window ids */
 179     if (size > 0) {
 180         windows = g_new(Window, size);
 181         win_it = windows;
 182         for (it = client_list; it; it = g_list_next(it), ++win_it)
 183             *win_it = ((ObClient*)it->data)->window;
 184     } else
 185         windows = NULL;
 186
 187     OBT_PROP_SETA32(obt_root(ob_screen), NET_CLIENT_LIST, WINDOW,
 188                     (gulong*)windows, size);
 189
 190     if (windows)
 191         g_free(windows);
 192
 193     stacking_set_list();
 194 }
 195
 196 void client_manage(Window window, ObPrompt *prompt)
 197 {
 198     ObClient *self;
 199     XSetWindowAttributes attrib_set;
 200     gboolean activate = FALSE;
 201     ObAppSettings *settings;
 202     gboolean transient = FALSE;
 203     Rect place, *monitor;
 204     Time launch_time, map_time;
 205
 206     ob_debug("Managing window: 0x%lx", window);
 207
 208     map_time = event_get_server_time();
 209
 210     /* choose the events we want to receive on the CLIENT window
 211        (ObPrompt windows can request events too) */
 212     attrib_set.event_mask = CLIENT_EVENTMASK |
 213         (prompt ? prompt->event_mask : 0);
 214     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 215     XChangeWindowAttributes(obt_display, window,
 216                             CWEventMask|CWDontPropagate, &attrib_set);
 217
 218     /* create the ObClient struct, and populate it from the hints on the
 219        window */
 220     self = g_new0(ObClient, 1);
 221     self->obwin.type = OB_WINDOW_CLASS_CLIENT;
 222     self->window = window;
 223     self->prompt = prompt;
 224
 225     /* non-zero defaults */
 226     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 227     self->gravity = NorthWestGravity;
 228     self->desktop = screen_num_desktops; /* always an invalid value */
 229
 230     /* get all the stuff off the window */
 231     client_get_all(self, TRUE);
 232
 233     ob_debug("Window type: %d", self->type);
 234     ob_debug("Window group: 0x%x", self->group?self->group->leader:0);
 235     ob_debug("Window name: %s class: %s", self->name, self->class);
 236
 237     /* now we have all of the window's information so we can set this up.
 238        do this before creating the frame, so it can tell that we are still
 239        mapping and doesn't go applying things right away */
 240     client_setup_decor_and_functions(self, FALSE);
 241
 242     /* specify that if we exit, the window should not be destroyed and
 243        should be reparented back to root automatically, unless we are managing
 244        an internal ObPrompt window  */
 245     if (!self->prompt)
 246         XChangeSaveSet(obt_display, window, SetModeInsert);
 247
 248     /* create the decoration frame for the client window */
 249     self->frame = frame_new(self);
 250
 251     frame_grab_client(self->frame);
 252
 253     /* we've grabbed everything and set everything that we need to at mapping
 254        time now */
 255     grab_server(FALSE);
 256
 257     /* per-app settings override stuff from client_get_all, and return the
 258        settings for other uses too. the returned settings is a shallow copy,
 259        that needs to be freed with g_free(). */
 260     settings = client_get_settings_state(self);
 261     /* the session should get the last say though */
 262     client_restore_session_state(self);
 263
 264     /* tell startup notification that this app started */
 265     launch_time = sn_app_started(self->startup_id, self->class, self->name);
 266
 267     /* do this after we have a frame.. it uses the frame to help determine the
 268        WM_STATE to apply. */
 269     client_change_state(self);
 270
 271     /* add ourselves to the focus order */
 272     focus_order_add_new(self);
 273
 274     /* do this to add ourselves to the stacking list in a non-intrusive way */
 275     client_calc_layer(self);
 276
 277     /* focus the new window? */
 278     if (ob_state() != OB_STATE_STARTING &&
 279         (!self->session || self->session->focused) &&
 280         /* this means focus=true for window is same as config_focus_new=true */
 281         ((config_focus_new || (settings && settings->focus == 1)) ||
 282          client_search_focus_tree_full(self)) &&
 283         /* this checks for focus=false for the window */
 284         (!settings || settings->focus != 0) &&
 285         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
 286     {
 287         activate = TRUE;
 288     }
 289
 290     /* remove the client's border */
 291     XSetWindowBorderWidth(obt_display, self->window, 0);
 292
 293     /* adjust the frame to the client's size before showing or placing
 294        the window */
 295     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 296     frame_adjust_client_area(self->frame);
 297
 298     /* where the frame was placed is where the window was originally */
 299     place = self->area;
 300     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
 301
 302     /* figure out placement for the window if the window is new */
 303     if (ob_state() == OB_STATE_RUNNING) {
 304         ob_debug("Positioned: %s @ %d %d",
 305                  (!self->positioned ? "no" :
 306                   (self->positioned == PPosition ? "program specified" :
 307                    (self->positioned == USPosition ? "user specified" :
 308                     (self->positioned == (PPosition | USPosition) ?
 309                      "program + user specified" :
 310                      "BADNESS !?")))), place.x, place.y);
 311
 312         ob_debug("Sized: %s @ %d %d",
 313                  (!self->sized ? "no" :
 314                   (self->sized == PSize ? "program specified" :
 315                    (self->sized == USSize ? "user specified" :
 316                     (self->sized == (PSize | USSize) ?
 317                      "program + user specified" :
 318                      "BADNESS !?")))), place.width, place.height);
 319
 320         /* splash screens are also returned as TRUE for transient,
 321            and so will be forced on screen below */
 322         transient = place_client(self, &place.x, &place.y, settings);
 323
 324         /* make sure the window is visible. */
 325         client_find_onscreen(self, &place.x, &place.y,
 326                              place.width, place.height,
 327                              /* non-normal clients has less rules, and
 328                                 windows that are being restored from a
 329                                 session do also. we can assume you want
 330                                 it back where you saved it. Clients saying
 331                                 they placed themselves are subjected to
 332                                 harder rules, ones that are placed by
 333                                 place.c or by the user are allowed partially
 334                                 off-screen and on xinerama divides (ie,
 335                                 it is up to the placement routines to avoid
 336                                 the xinerama divides)
 337
 338                                 splash screens get "transient" set to TRUE by
 339                                 the place_client call
 340                              */
 341                              ob_state() == OB_STATE_RUNNING &&
 342                              (transient ||
 343                               (!((self->positioned & USPosition) ||
 344                                  (settings && settings->pos_given)) &&
 345                                client_normal(self) &&
 346                                !self->session &&
 347                                /* don't move oldschool fullscreen windows to
 348                                   fit inside the struts (fixes Acroread, which
 349                                   makes its fullscreen window fit the screen
 350                                   but it is not USSize'd or USPosition'd) */
 351                                !(self->decorations == 0 &&
 352                                  RECT_EQUAL(place, *monitor)))));
 353     }
 354
 355     /* if the window isn't user-sized, then make it fit inside
 356        the visible screen area on its monitor. Use basically the same rules
 357        for forcing the window on screen in the client_find_onscreen call.
 358
 359        do this after place_client, it chooses the monitor!
 360
 361        splash screens get "transient" set to TRUE by
 362        the place_client call
 363     */
 364     if (ob_state() == OB_STATE_RUNNING &&
 365         (transient ||
 366          (!(self->sized & USSize || self->positioned & USPosition) &&
 367           client_normal(self) &&
 368           !self->session &&
 369           /* don't shrink oldschool fullscreen windows to fit inside the
 370              struts (fixes Acroread, which makes its fullscreen window
 371              fit the screen but it is not USSize'd or USPosition'd) */
 372           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
 373     {
 374         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
 375
 376         /* get the size of the frame */
 377         place.width += self->frame->size.left + self->frame->size.right;
 378         place.height += self->frame->size.top + self->frame->size.bottom;
 379
 380         /* fit the window inside the area */
 381         place.width = MIN(place.width, a->width);
 382         place.height = MIN(place.height, a->height);
 383
 384         ob_debug("setting window size to %dx%d", place.width, place.height);
 385
 386         /* get the size of the client back */
 387         place.width -= self->frame->size.left + self->frame->size.right;
 388         place.height -= self->frame->size.top + self->frame->size.bottom;
 389
 390         g_free(a);
 391     }
 392
 393     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 394              "some restrictions may apply",
 395              self->window, place.x, place.y, place.width, place.height);
 396     if (self->session)
 397         ob_debug("  but session requested %d, %d  %d x %d instead, "
 398                  "overriding",
 399                  self->session->x, self->session->y,
 400                  self->session->w, self->session->h);
 401
 402     /* do this after the window is placed, so the premax/prefullscreen numbers
 403        won't be all wacko!!
 404
 405        this also places the window
 406     */
 407     client_apply_startup_state(self, place.x, place.y,
 408                                place.width, place.height);
 409
 410     g_free(monitor);
 411     monitor = NULL;
 412
 413     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s",
 414                   activate ? "yes" : "no");
 415     if (activate) {
 416         gboolean raise = FALSE;
 417         gboolean relative_focused;
 418         gboolean parent_focused;
 419
 420         parent_focused = (focus_client != NULL &&
 421                           client_search_focus_parent(self));
 422         relative_focused = (focus_client != NULL &&
 423                             (client_search_focus_tree_full(self) != NULL ||
 424                              client_search_focus_group_full(self) != NULL));
 425
 426         /* This is focus stealing prevention */
 427         ob_debug_type(OB_DEBUG_FOCUS,
 428                       "Want to focus new window 0x%x at time %u "
 429                       "launched at %u (last user interaction time %u)",
 430                       self->window, map_time, launch_time,
 431                       event_last_user_time);
 432         ob_debug_type(OB_DEBUG_FOCUS,
 433                       "Current focus_client: %s",
 434                       (focus_client ? focus_client->title : "(none)"));
 435         ob_debug_type(OB_DEBUG_FOCUS,
 436                       "parent focuesed: %d  relative focused: %d",
 437                       parent_focused, relative_focused);
 438
 439         if (menu_frame_visible || moveresize_in_progress) {
 440             activate = FALSE;
 441             raise = TRUE;
 442             ob_debug_type(OB_DEBUG_FOCUS,
 443                           "Not focusing the window because the user is inside "
 444                           "an Openbox menu or is move/resizing a window and "
 445                           "we don't want to interrupt them");
 446         }
 447
 448         /* if it's on another desktop */
 449         else if (!(self->desktop == screen_desktop ||
 450                    self->desktop == DESKTOP_ALL) &&
 451                  /* the timestamp is from before you changed desktops */
 452                  launch_time && screen_desktop_user_time &&
 453                  !event_time_after(launch_time, screen_desktop_user_time))
 454         {
 455             activate = FALSE;
 456             raise = TRUE;
 457             ob_debug_type(OB_DEBUG_FOCUS,
 458                           "Not focusing the window because its on another "
 459                           "desktop");
 460         }
 461         /* If something is focused... */
 462         else if (focus_client) {
 463             /* If the user is working in another window right now, then don't
 464                steal focus */
 465             if (!parent_focused &&
 466                 event_last_user_time && launch_time &&
 467                 event_time_after(event_last_user_time, launch_time) &&
 468                 event_last_user_time != launch_time &&
 469                 event_time_after(event_last_user_time,
 470                                  map_time - OB_EVENT_USER_TIME_DELAY))
 471             {
 472                 activate = FALSE;
 473                 ob_debug_type(OB_DEBUG_FOCUS,
 474                               "Not focusing the window because the user is "
 475                               "working in another window that is not "
 476                               "its parent");
 477             }
 478             /* If the new window is a transient (and its relatives aren't
 479                focused) */
 480             else if (client_has_parent(self) && !relative_focused) {
 481                 activate = FALSE;
 482                 ob_debug_type(OB_DEBUG_FOCUS,
 483                               "Not focusing the window because it is a "
 484                               "transient, and its relatives aren't focused");
 485             }
 486             /* Don't steal focus from globally active clients.
 487                I stole this idea from KWin. It seems nice.
 488              */
 489             else if (!(focus_client->can_focus ||
 490                        focus_client->focus_notify))
 491             {
 492                 activate = FALSE;
 493                 ob_debug_type(OB_DEBUG_FOCUS,
 494                               "Not focusing the window because a globally "
 495                               "active client has focus");
 496             }
 497             /* Don't move focus if it's not going to go to this window
 498                anyway */
 499             else if (client_focus_target(self) != self) {
 500                 activate = FALSE;
 501                 raise = TRUE;
 502                 ob_debug_type(OB_DEBUG_FOCUS,
 503                               "Not focusing the window because another window "
 504                               "would get the focus anyway");
 505             }
 506             /* Don't move focus if the window is not visible on the current
 507                desktop and none of its relatives are focused */
 508             else if (!(self->desktop == screen_desktop ||
 509                        self->desktop == DESKTOP_ALL) &&
 510                      !relative_focused)
 511             {
 512                 activate = FALSE;
 513                 raise = TRUE;
 514                 ob_debug_type(OB_DEBUG_FOCUS,
 515                               "Not focusing the window because it is on "
 516                               "another desktop and no relatives are focused ");
 517             }
 518         }
 519
 520         if (!activate) {
 521             ob_debug_type(OB_DEBUG_FOCUS,
 522                           "Focus stealing prevention activated for %s at "
 523                           "time %u (last user interaction time %u)",
 524                           self->title, map_time, event_last_user_time);
 525             /* if the client isn't focused, then hilite it so the user
 526                knows it is there */
 527             client_hilite(self, TRUE);
 528             /* we may want to raise it even tho we're not activating it */
 529             if (raise && !client_restore_session_stacking(self))
 530                 stacking_raise(CLIENT_AS_WINDOW(self));
 531         }
 532     }
 533     else {
 534         /* This may look rather odd. Well it's because new windows are added
 535            to the stacking order non-intrusively. If we're not going to focus
 536            the new window or hilite it, then we raise it to the top. This will
 537            take affect for things that don't get focused like splash screens.
 538            Also if you don't have focus_new enabled, then it's going to get
 539            raised to the top. Legacy begets legacy I guess?
 540         */
 541         if (!client_restore_session_stacking(self))
 542             stacking_raise(CLIENT_AS_WINDOW(self));
 543     }
 544
 545     mouse_grab_for_client(self, TRUE);
 546
 547     /* this has to happen before we try focus the window, but we want it to
 548        happen after the client's stacking has been determined or it looks bad
 549     */
 550     {
 551         gulong ignore_start;
 552         if (!config_focus_under_mouse)
 553             ignore_start = event_start_ignore_all_enters();
 554
 555         client_show(self);
 556
 557         if (!config_focus_under_mouse)
 558             event_end_ignore_all_enters(ignore_start);
 559     }
 560
 561     if (activate) {
 562         gboolean stacked = client_restore_session_stacking(self);
 563         client_present(self, FALSE, !stacked, TRUE);
 564     }
 565
 566     /* add to client list/map */
 567     client_list = g_list_append(client_list, self);
 568     window_add(&self->window, CLIENT_AS_WINDOW(self));
 569
 570     /* this has to happen after we're in the client_list */
 571     if (STRUT_EXISTS(self->strut))
 572         screen_update_areas();
 573
 574     /* update the list hints */
 575     client_set_list();
 576
 577     /* free the ObAppSettings shallow copy */
 578     g_free(settings);
 579
 580     ob_debug("Managed window 0x%lx plate 0x%x (%s)",
 581              window, self->frame->window, self->class);
 582
 583     hooks_queue(OB_HOOK_WIN_NEW, self);
 584 }
 585
 586 ObClient *client_fake_manage(Window window)
 587 {
 588     ObClient *self;
 589     ObAppSettings *settings;
 590
 591     ob_debug("Pretend-managing window: %lx", window);
 592
 593     /* do this minimal stuff to figure out the client's decorations */
 594
 595     self = g_new0(ObClient, 1);
 596     self->window = window;
 597
 598     client_get_all(self, FALSE);
 599     /* per-app settings override stuff, and return the settings for other
 600        uses too. this returns a shallow copy that needs to be freed */
 601     settings = client_get_settings_state(self);
 602
 603     client_setup_decor_and_functions(self, FALSE);
 604
 605     /* create the decoration frame for the client window and adjust its size */
 606     self->frame = frame_new(self);
 607     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 608
 609     ob_debug("gave extents left %d right %d top %d bottom %d",
 610              self->frame->size.left, self->frame->size.right,
 611              self->frame->size.top, self->frame->size.bottom);
 612
 613     /* free the ObAppSettings shallow copy */
 614     g_free(settings);
 615
 616     return self;
 617 }
 618
 619 void client_unmanage_all(void)
 620 {
 621     while (client_list)
 622         client_unmanage(client_list->data);
 623 }
 624
 625 void client_unmanage(ObClient *self)
 626 {
 627     GSList *it;
 628     gulong ignore_start;
 629
 630     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)",
 631              self->window, self->frame->window,
 632              self->class, self->title ? self->title : "");
 633
 634     g_assert(self != NULL);
 635
 636     /* we dont want events no more. do this before hiding the frame so we
 637        don't generate more events */
 638     XSelectInput(obt_display, self->window, NoEventMask);
 639
 640     /* ignore enter events from the unmap so it doesnt mess with the focus */
 641     if (!config_focus_under_mouse)
 642         ignore_start = event_start_ignore_all_enters();
 643
 644     frame_hide(self->frame);
 645     /* flush to send the hide to the server quickly */
 646     XFlush(obt_display);
 647
 648     if (!config_focus_under_mouse)
 649         event_end_ignore_all_enters(ignore_start);
 650
 651     mouse_grab_for_client(self, FALSE);
 652
 653     /* remove the window from our save set, unless we are managing an internal
 654        ObPrompt window */
 655     if (!self->prompt)
 656         XChangeSaveSet(obt_display, self->window, SetModeDelete);
 657
 658     /* this can't be queued to run later */
 659     hooks_run(OB_HOOK_WIN_CLOSE, self);
 660
 661     /* update the focus lists */
 662     focus_order_remove(self);
 663     if (client_focused(self)) {
 664         /* don't leave an invalid focus_client */
 665         focus_client = NULL;
 666     }
 667
 668     /* if we're prompting to kill the client, close that */
 669     prompt_unref(self->kill_prompt);
 670     self->kill_prompt = NULL;
 671
 672     client_list = g_list_remove(client_list, self);
 673     stacking_remove(self);
 674     window_remove(self->window);
 675
 676     /* once the client is out of the list, update the struts to remove its
 677        influence */
 678     if (STRUT_EXISTS(self->strut))
 679         screen_update_areas();
 680
 681     client_call_notifies(self, client_destroy_notifies);
 682
 683     /* tell our parent(s) that we're gone */
 684     for (it = self->parents; it; it = g_slist_next(it))
 685         ((ObClient*)it->data)->transients =
 686             g_slist_remove(((ObClient*)it->data)->transients,self);
 687
 688     /* tell our transients that we're gone */
 689     for (it = self->transients; it; it = g_slist_next(it)) {
 690         ((ObClient*)it->data)->parents =
 691             g_slist_remove(((ObClient*)it->data)->parents, self);
 692         /* we could be keeping our children in a higher layer */
 693         client_calc_layer(it->data);
 694     }
 695
 696     /* remove from its group */
 697     if (self->group) {
 698         group_remove(self->group, self);
 699         self->group = NULL;
 700     }
 701
 702     /* restore the window's original geometry so it is not lost */
 703     {
 704         Rect a;
 705
 706         a = self->area;
 707
 708         if (self->fullscreen)
 709             a = self->pre_fullscreen_area;
 710         else if (self->max_horz || self->max_vert) {
 711             if (self->max_horz) {
 712                 a.x = self->pre_max_area.x;
 713                 a.width = self->pre_max_area.width;
 714             }
 715             if (self->max_vert) {
 716                 a.y = self->pre_max_area.y;
 717                 a.height = self->pre_max_area.height;
 718             }
 719         }
 720
 721         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 722         /* let it be moved and resized no matter what */
 723         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 724         self->decorations = 0; /* unmanaged windows have no decor */
 725
 726         /* give the client its border back */
 727         XSetWindowBorderWidth(obt_display, self->window, self->border_width);
 728
 729         client_move_resize(self, a.x, a.y, a.width, a.height);
 730     }
 731
 732     /* reparent the window out of the frame, and free the frame */
 733     frame_release_client(self->frame);
 734     frame_free(self->frame);
 735     self->frame = NULL;
 736
 737     if (ob_state() != OB_STATE_EXITING) {
 738         /* these values should not be persisted across a window
 739            unmapping/mapping */
 740         OBT_PROP_ERASE(self->window, NET_WM_DESKTOP);
 741         OBT_PROP_ERASE(self->window, NET_WM_STATE);
 742         OBT_PROP_ERASE(self->window, WM_STATE);
 743     } else {
 744         /* if we're left in an unmapped state, the client wont be mapped.
 745            this is bad, since we will no longer be managing the window on
 746            restart */
 747         XMapWindow(obt_display, self->window);
 748     }
 749
 750     /* these should not be left on the window ever.  other window managers
 751        don't necessarily use them and it will mess them up (like compiz) */
 752     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_NAME);
 753     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_ICON_NAME);
 754
 755     /* update the list hints */
 756     client_set_list();
 757
 758     ob_debug("Unmanaged window 0x%lx", self->window);
 759
 760     /* free all data allocated in the client struct */
 761     RrImageUnref(self->icon_set);
 762     g_slist_free(self->transients);
 763     g_free(self->startup_id);
 764     g_free(self->wm_command);
 765     g_free(self->title);
 766     g_free(self->icon_title);
 767     g_free(self->original_title);
 768     g_free(self->name);
 769     g_free(self->class);
 770     g_free(self->role);
 771     g_free(self->client_machine);
 772     g_free(self->sm_client_id);
 773     g_free(self);
 774 }
 775
 776 void client_fake_unmanage(ObClient *self)
 777 {
 778     /* this is all that got allocated to get the decorations */
 779
 780     frame_free(self->frame);
 781     g_free(self);
 782 }
 783
 784 /*! Returns a new structure containing the per-app settings for this client.
 785   The returned structure needs to be freed with g_free. */
 786 static ObAppSettings *client_get_settings_state(ObClient *self)
 787 {
 788     ObAppSettings *settings;
 789     GSList *it;
 790
 791     settings = config_create_app_settings();
 792
 793     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 794         ObAppSettings *app = it->data;
 795         gboolean match = TRUE;
 796
 797         g_assert(app->name != NULL || app->class != NULL);
 798
 799         /* we know that either name or class is not NULL so it will have to
 800            match to use the rule */
 801         if (app->name &&
 802             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 803             match = FALSE;
 804         else if (app->class &&
 805                  !g_pattern_match(app->class,
 806                                   strlen(self->class), self->class, NULL))
 807             match = FALSE;
 808         else if (app->role &&
 809                  !g_pattern_match(app->role,
 810                                   strlen(self->role), self->role, NULL))
 811             match = FALSE;
 812         else if ((signed)app->type >= 0 && app->type != self->type)
 813             match = FALSE;
 814
 815         if (match) {
 816             ob_debug("Window matching: %s", app->name);
 817
 818             /* copy the settings to our struct, overriding the existing
 819                settings if they are not defaults */
 820             config_app_settings_copy_non_defaults(app, settings);
 821         }
 822     }
 823
 824     if (settings->shade != -1)
 825         self->shaded = !!settings->shade;
 826     if (settings->decor != -1)
 827         self->undecorated = !settings->decor;
 828     if (settings->iconic != -1)
 829         self->iconic = !!settings->iconic;
 830     if (settings->skip_pager != -1)
 831         self->skip_pager = !!settings->skip_pager;
 832     if (settings->skip_taskbar != -1)
 833         self->skip_taskbar = !!settings->skip_taskbar;
 834
 835     if (settings->max_vert != -1)
 836         self->max_vert = !!settings->max_vert;
 837     if (settings->max_horz != -1)
 838         self->max_horz = !!settings->max_horz;
 839
 840     if (settings->fullscreen != -1)
 841         self->fullscreen = !!settings->fullscreen;
 842
 843     if (settings->desktop) {
 844         if (settings->desktop == DESKTOP_ALL)
 845             self->desktop = settings->desktop;
 846         else if (settings->desktop > 0 &&
 847                  settings->desktop <= screen_num_desktops)
 848             self->desktop = settings->desktop - 1;
 849     }
 850
 851     if (settings->layer == -1) {
 852         self->below = TRUE;
 853         self->above = FALSE;
 854     }
 855     else if (settings->layer == 0) {
 856         self->below = FALSE;
 857         self->above = FALSE;
 858     }
 859     else if (settings->layer == 1) {
 860         self->below = FALSE;
 861         self->above = TRUE;
 862     }
 863     return settings;
 864 }
 865
 866 static void client_restore_session_state(ObClient *self)
 867 {
 868     GList *it;
 869
 870     ob_debug_type(OB_DEBUG_SM,
 871                   "Restore session for client %s", self->title);
 872
 873     if (!(it = session_state_find(self))) {
 874         ob_debug_type(OB_DEBUG_SM,
 875                       "Session data not found for client %s", self->title);
 876         return;
 877     }
 878
 879     self->session = it->data;
 880
 881     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s",
 882                   self->title);
 883
 884     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 885     self->positioned = USPosition;
 886     self->sized = USSize;
 887     if (self->session->w > 0)
 888         self->area.width = self->session->w;
 889     if (self->session->h > 0)
 890         self->area.height = self->session->h;
 891     XResizeWindow(obt_display, self->window,
 892                   self->area.width, self->area.height);
 893
 894     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 895                      self->session->desktop :
 896                      MIN(screen_num_desktops - 1, self->session->desktop));
 897     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
 898
 899     self->shaded = self->session->shaded;
 900     self->iconic = self->session->iconic;
 901     self->skip_pager = self->session->skip_pager;
 902     self->skip_taskbar = self->session->skip_taskbar;
 903     self->fullscreen = self->session->fullscreen;
 904     self->above = self->session->above;
 905     self->below = self->session->below;
 906     self->max_horz = self->session->max_horz;
 907     self->max_vert = self->session->max_vert;
 908     self->undecorated = self->session->undecorated;
 909 }
 910
 911 static gboolean client_restore_session_stacking(ObClient *self)
 912 {
 913     GList *it, *mypos;
 914
 915     if (!self->session) return FALSE;
 916
 917     mypos = g_list_find(session_saved_state, self->session);
 918     if (!mypos) return FALSE;
 919
 920     /* start above me and look for the first client */
 921     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 922         GList *cit;
 923
 924         for (cit = client_list; cit; cit = g_list_next(cit)) {
 925             ObClient *c = cit->data;
 926             /* found a client that was in the session, so go below it */
 927             if (c->session == it->data) {
 928                 stacking_below(CLIENT_AS_WINDOW(self),
 929                                CLIENT_AS_WINDOW(cit->data));
 930                 return TRUE;
 931             }
 932         }
 933     }
 934     return FALSE;
 935 }
 936
 937 void client_move_onscreen(ObClient *self, gboolean rude)
 938 {
 939     gint x = self->area.x;
 940     gint y = self->area.y;
 941     if (client_find_onscreen(self, &x, &y,
 942                              self->area.width,
 943                              self->area.height, rude)) {
 944         client_move(self, x, y);
 945     }
 946 }
 947
 948 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 949                               gboolean rude)
 950 {
 951     gint ox = *x, oy = *y;
 952     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 953     gint fw, fh;
 954     Rect desired;
 955     guint i;
 956     gboolean found_mon;
 957
 958     RECT_SET(desired, *x, *y, w, h);
 959     frame_rect_to_frame(self->frame, &desired);
 960
 961     /* get where the frame would be */
 962     frame_client_gravity(self->frame, x, y);
 963
 964     /* get the requested size of the window with decorations */
 965     fw = self->frame->size.left + w + self->frame->size.right;
 966     fh = self->frame->size.top + h + self->frame->size.bottom;
 967
 968     /* If rudeness wasn't requested, then still be rude in a given direction
 969        if the client is not moving, only resizing in that direction */
 970     if (!rude) {
 971         Point oldtl, oldtr, oldbl, oldbr;
 972         Point newtl, newtr, newbl, newbr;
 973         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 974
 975         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 976         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 977                   self->frame->area.y + self->frame->area.height - 1);
 978         POINT_SET(oldtr, oldbr.x, oldtl.y);
 979         POINT_SET(oldbl, oldtl.x, oldbr.y);
 980
 981         POINT_SET(newtl, *x, *y);
 982         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 983         POINT_SET(newtr, newbr.x, newtl.y);
 984         POINT_SET(newbl, newtl.x, newbr.y);
 985
 986         /* is it moving or just resizing from some corner? */
 987         stationary_l = oldtl.x == newtl.x;
 988         stationary_r = oldtr.x == newtr.x;
 989         stationary_t = oldtl.y == newtl.y;
 990         stationary_b = oldbl.y == newbl.y;
 991
 992         /* if left edge is growing and didnt move right edge */
 993         if (stationary_r && newtl.x < oldtl.x)
 994             rudel = TRUE;
 995         /* if right edge is growing and didnt move left edge */
 996         if (stationary_l && newtr.x > oldtr.x)
 997             ruder = TRUE;
 998         /* if top edge is growing and didnt move bottom edge */
 999         if (stationary_b && newtl.y < oldtl.y)
1000             rudet = TRUE;
1001         /* if bottom edge is growing and didnt move top edge */
1002         if (stationary_t && newbl.y > oldbl.y)
1003             rudeb = TRUE;
1004     }
1005
1006     /* we iterate through every monitor that the window is at least partially
1007        on, to make sure it is obeying the rules on them all
1008
1009        if the window does not appear on any monitors, then use the first one
1010     */
1011     found_mon = FALSE;
1012     for (i = 0; i < screen_num_monitors; ++i) {
1013         Rect *a;
1014
1015         if (!screen_physical_area_monitor_contains(i, &desired)) {
1016             if (i < screen_num_monitors - 1 || found_mon)
1017                 continue;
1018
1019             /* the window is not inside any monitor! so just use the first
1020                one */
1021             a = screen_area(self->desktop, 0, NULL);
1022         } else {
1023             found_mon = TRUE;
1024             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1025         }
1026
1027         /* This makes sure windows aren't entirely outside of the screen so you
1028            can't see them at all.
1029            It makes sure 10% of the window is on the screen at least. And don't
1030            let it move itself off the top of the screen, which would hide the
1031            titlebar on you. (The user can still do this if they want too, it's
1032            only limiting the application.
1033         */
1034         if (client_normal(self)) {
1035             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1036                 *x = a->x + a->width - fw/10;
1037             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1038                 *y = a->y + a->height - fh/10;
1039             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1040                 *x = a->x - fw*9/10;
1041             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1042                 *y = a->y - fh*9/10;
1043         }
1044
1045         /* This here doesn't let windows even a pixel outside the
1046            struts/screen. When called from client_manage, programs placing
1047            themselves are forced completely onscreen, while things like
1048            xterm -geometry resolution-width/2 will work fine. Trying to
1049            place it completely offscreen will be handled in the above code.
1050            Sorry for this confused comment, i am tired. */
1051         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1052         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1053             *x = a->x + MAX(0, a->width - fw);
1054
1055         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1056         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1057             *y = a->y + MAX(0, a->height - fh);
1058
1059         g_free(a);
1060     }
1061
1062     /* get where the client should be */
1063     frame_frame_gravity(self->frame, x, y);
1064
1065     return ox != *x || oy != *y;
1066 }
1067
1068 static void client_get_all(ObClient *self, gboolean real)
1069 {
1070     /* this is needed for the frame to set itself up */
1071     client_get_area(self);
1072
1073     /* these things can change the decor and functions of the window */
1074
1075     client_get_mwm_hints(self);
1076     /* this can change the mwmhints for special cases */
1077     client_get_type_and_transientness(self);
1078     client_get_state(self);
1079     client_update_normal_hints(self);
1080
1081     /* get the session related properties, these can change decorations
1082        from per-app settings */
1083     client_get_session_ids(self);
1084
1085     /* now we got everything that can affect the decorations */
1086     if (!real)
1087         return;
1088
1089     /* get this early so we have it for debugging */
1090     client_update_title(self);
1091
1092     client_update_protocols(self);
1093
1094     client_update_wmhints(self);
1095     /* this may have already been called from client_update_wmhints */
1096     if (!self->parents && !self->transient_for_group)
1097         client_update_transient_for(self);
1098
1099     client_get_startup_id(self);
1100     client_get_desktop(self);/* uses transient data/group/startup id if a
1101                                 desktop is not specified */
1102     client_get_shaped(self);
1103
1104     {
1105         /* a couple type-based defaults for new windows */
1106
1107         /* this makes sure that these windows appear on all desktops */
1108         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1109             self->desktop = DESKTOP_ALL;
1110     }
1111
1112 #ifdef SYNC
1113     client_update_sync_request_counter(self);
1114 #endif
1115
1116     client_get_colormap(self);
1117     client_update_strut(self);
1118     client_update_icons(self);
1119     client_update_icon_geometry(self);
1120 }
1121
1122 static void client_get_startup_id(ObClient *self)
1123 {
1124     if (!(OBT_PROP_GETS(self->window, NET_STARTUP_ID, utf8,
1125                         &self->startup_id)))
1126         if (self->group)
1127             OBT_PROP_GETS(self->group->leader,
1128                           NET_STARTUP_ID, utf8, &self->startup_id);
1129 }
1130
1131 static void client_get_area(ObClient *self)
1132 {
1133     XWindowAttributes wattrib;
1134     Status ret;
1135
1136     ret = XGetWindowAttributes(obt_display, self->window, &wattrib);
1137     g_assert(ret != BadWindow);
1138
1139     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1140     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1141     self->border_width = wattrib.border_width;
1142
1143     ob_debug("client area: %d %d  %d %d  bw %d", wattrib.x, wattrib.y,
1144              wattrib.width, wattrib.height, wattrib.border_width);
1145 }
1146
1147 static void client_get_desktop(ObClient *self)
1148 {
1149     guint32 d = screen_num_desktops; /* an always-invalid value */
1150
1151     if (OBT_PROP_GET32(self->window, NET_WM_DESKTOP, CARDINAL, &d)) {
1152         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1153             self->desktop = screen_num_desktops - 1;
1154         else
1155             self->desktop = d;
1156         ob_debug("client requested desktop 0x%x", self->desktop);
1157     } else {
1158         GSList *it;
1159         gboolean first = TRUE;
1160         guint all = screen_num_desktops; /* not a valid value */
1161
1162         /* if they are all on one desktop, then open it on the
1163            same desktop */
1164         for (it = self->parents; it; it = g_slist_next(it)) {
1165             ObClient *c = it->data;
1166
1167             if (c->desktop == DESKTOP_ALL) continue;
1168
1169             if (first) {
1170                 all = c->desktop;
1171                 first = FALSE;
1172             }
1173             else if (all != c->desktop)
1174                 all = screen_num_desktops; /* make it invalid */
1175         }
1176         if (all != screen_num_desktops) {
1177             self->desktop = all;
1178
1179             ob_debug("client desktop set from parents: 0x%x",
1180                      self->desktop);
1181         }
1182         /* try get from the startup-notification protocol */
1183         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1184             if (self->desktop >= screen_num_desktops &&
1185                 self->desktop != DESKTOP_ALL)
1186                 self->desktop = screen_num_desktops - 1;
1187             ob_debug("client desktop set from startup-notification: 0x%x",
1188                      self->desktop);
1189         }
1190         /* defaults to the current desktop */
1191         else {
1192             self->desktop = screen_desktop;
1193             ob_debug("client desktop set to the current desktop: %d",
1194                      self->desktop);
1195         }
1196     }
1197 }
1198
1199 static void client_get_state(ObClient *self)
1200 {
1201     guint32 *state;
1202     guint num;
1203
1204     if (OBT_PROP_GETA32(self->window, NET_WM_STATE, ATOM, &state, &num)) {
1205         gulong i;
1206         for (i = 0; i < num; ++i) {
1207             if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
1208                 self->modal = TRUE;
1209             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
1210                 self->shaded = TRUE;
1211             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
1212                 self->iconic = TRUE;
1213             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
1214                 self->skip_taskbar = TRUE;
1215             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
1216                 self->skip_pager = TRUE;
1217             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
1218                 self->fullscreen = TRUE;
1219             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
1220                 self->max_vert = TRUE;
1221             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
1222                 self->max_horz = TRUE;
1223             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
1224                 self->above = TRUE;
1225             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
1226                 self->below = TRUE;
1227             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
1228                 self->demands_attention = TRUE;
1229             else if (state[i] == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
1230                 self->undecorated = TRUE;
1231         }
1232
1233         g_free(state);
1234     }
1235 }
1236
1237 static void client_get_shaped(ObClient *self)
1238 {
1239     self->shaped = FALSE;
1240 #ifdef SHAPE
1241     if (obt_display_extension_shape) {
1242         gint foo;
1243         guint ufoo;
1244         gint s;
1245
1246         XShapeSelectInput(obt_display, self->window, ShapeNotifyMask);
1247
1248         XShapeQueryExtents(obt_display, self->window, &s, &foo,
1249                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1250                            &ufoo);
1251         self->shaped = !!s;
1252     }
1253 #endif
1254 }
1255
1256 void client_update_transient_for(ObClient *self)
1257 {
1258     Window t = None;
1259     ObClient *target = NULL;
1260     gboolean trangroup = FALSE;
1261
1262     if (XGetTransientForHint(obt_display, self->window, &t)) {
1263         if (t != self->window) { /* can't be transient to itself! */
1264             ObWindow *tw = window_find(t);
1265             /* if this happens then we need to check for it */
1266             g_assert(tw != CLIENT_AS_WINDOW(self));
1267             if (tw && WINDOW_IS_CLIENT(tw)) {
1268                 /* watch out for windows with a parent that is something
1269                    different, like a dockapp for example */
1270                 target = WINDOW_AS_CLIENT(tw);
1271             }
1272         }
1273
1274         /* Setting the transient_for to Root is actually illegal, however
1275            applications from time have done this to specify transient for
1276            their group */
1277         if (!target && self->group && t == obt_root(ob_screen))
1278             trangroup = TRUE;
1279     } else if (self->group && self->transient)
1280         trangroup = TRUE;
1281
1282     client_update_transient_tree(self, self->group, self->group,
1283                                  self->transient_for_group, trangroup,
1284                                  client_direct_parent(self), target);
1285     self->transient_for_group = trangroup;
1286
1287 }
1288
1289 static void client_update_transient_tree(ObClient *self,
1290                                          ObGroup *oldgroup, ObGroup *newgroup,
1291                                          gboolean oldgtran, gboolean newgtran,
1292                                          ObClient* oldparent,
1293                                          ObClient *newparent)
1294 {
1295     GSList *it, *next;
1296     ObClient *c;
1297
1298     g_assert(!oldgtran || oldgroup);
1299     g_assert(!newgtran || newgroup);
1300     g_assert((!oldgtran && !oldparent) ||
1301              (oldgtran && !oldparent) ||
1302              (!oldgtran && oldparent));
1303     g_assert((!newgtran && !newparent) ||
1304              (newgtran && !newparent) ||
1305              (!newgtran && newparent));
1306
1307     /* * *
1308       Group transient windows are not allowed to have other group
1309       transient windows as their children.
1310       * * */
1311
1312     /* No change has occured */
1313     if (oldgroup == newgroup &&
1314         oldgtran == newgtran &&
1315         oldparent == newparent) return;
1316
1317     /** Remove the client from the transient tree **/
1318
1319     for (it = self->transients; it; it = next) {
1320         next = g_slist_next(it);
1321         c = it->data;
1322         self->transients = g_slist_delete_link(self->transients, it);
1323         c->parents = g_slist_remove(c->parents, self);
1324     }
1325     for (it = self->parents; it; it = next) {
1326         next = g_slist_next(it);
1327         c = it->data;
1328         self->parents = g_slist_delete_link(self->parents, it);
1329         c->transients = g_slist_remove(c->transients, self);
1330     }
1331
1332     /** Re-add the client to the transient tree **/
1333
1334     /* If we're transient for a group then we need to add ourselves to all our
1335        parents */
1336     if (newgtran) {
1337         for (it = newgroup->members; it; it = g_slist_next(it)) {
1338             c = it->data;
1339             if (c != self &&
1340                 !client_search_top_direct_parent(c)->transient_for_group &&
1341                 client_normal(c))
1342             {
1343                 c->transients = g_slist_prepend(c->transients, self);
1344                 self->parents = g_slist_prepend(self->parents, c);
1345             }
1346         }
1347     }
1348
1349     /* If we are now transient for a single window we need to add ourselves to
1350        its children
1351
1352        WARNING: Cyclical transient-ness is possible if two windows are
1353        transient for eachother.
1354     */
1355     else if (newparent &&
1356              /* don't make ourself its child if it is already our child */
1357              !client_is_direct_child(self, newparent) &&
1358              client_normal(newparent))
1359     {
1360         newparent->transients = g_slist_prepend(newparent->transients, self);
1361         self->parents = g_slist_prepend(self->parents, newparent);
1362     }
1363
1364     /* Add any group transient windows to our children. But if we're transient
1365        for the group, then other group transients are not our children.
1366
1367        WARNING: Cyclical transient-ness is possible. For e.g. if:
1368        A is transient for the group
1369        B is transient for A
1370        C is transient for B
1371        A can't be transient for C or we have a cycle
1372     */
1373     if (!newgtran && newgroup &&
1374         (!newparent ||
1375          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1376         client_normal(self))
1377     {
1378         for (it = newgroup->members; it; it = g_slist_next(it)) {
1379             c = it->data;
1380             if (c != self && c->transient_for_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                 c->parents = g_slist_prepend(c->parents, self);
1386             }
1387         }
1388     }
1389
1390     /** If we change our group transient-ness, our children change their
1391         effective group transient-ness, which affects how they relate to other
1392         group windows **/
1393
1394     for (it = self->transients; it; it = g_slist_next(it)) {
1395         c = it->data;
1396         if (!c->transient_for_group)
1397             client_update_transient_tree(c, c->group, c->group,
1398                                          c->transient_for_group,
1399                                          c->transient_for_group,
1400                                          client_direct_parent(c),
1401                                          client_direct_parent(c));
1402     }
1403 }
1404
1405 static void client_get_mwm_hints(ObClient *self)
1406 {
1407     guint num;
1408     guint32 *hints;
1409
1410     self->mwmhints.flags = 0; /* default to none */
1411
1412     if (OBT_PROP_GETA32(self->window, MOTIF_WM_HINTS, MOTIF_WM_HINTS,
1413                         &hints, &num)) {
1414         if (num >= OB_MWM_ELEMENTS) {
1415             self->mwmhints.flags = hints[0];
1416             self->mwmhints.functions = hints[1];
1417             self->mwmhints.decorations = hints[2];
1418         }
1419         g_free(hints);
1420     }
1421 }
1422
1423 void client_get_type_and_transientness(ObClient *self)
1424 {
1425     guint num, i;
1426     guint32 *val;
1427     Window t;
1428
1429     self->type = -1;
1430     self->transient = FALSE;
1431
1432     if (OBT_PROP_GETA32(self->window, NET_WM_WINDOW_TYPE, ATOM, &val, &num)) {
1433         /* use the first value that we know about in the array */
1434         for (i = 0; i < num; ++i) {
1435             if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP))
1436                 self->type = OB_CLIENT_TYPE_DESKTOP;
1437             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK))
1438                 self->type = OB_CLIENT_TYPE_DOCK;
1439             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR))
1440                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1441             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU))
1442                 self->type = OB_CLIENT_TYPE_MENU;
1443             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY))
1444                 self->type = OB_CLIENT_TYPE_UTILITY;
1445             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH))
1446                 self->type = OB_CLIENT_TYPE_SPLASH;
1447             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG))
1448                 self->type = OB_CLIENT_TYPE_DIALOG;
1449             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL))
1450                 self->type = OB_CLIENT_TYPE_NORMAL;
1451             else if (val[i] == OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE))
1452             {
1453                 /* prevent this window from getting any decor or
1454                    functionality */
1455                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1456                                          OB_MWM_FLAG_DECORATIONS);
1457                 self->mwmhints.decorations = 0;
1458                 self->mwmhints.functions = 0;
1459             }
1460             if (self->type != (ObClientType) -1)
1461                 break; /* grab the first legit type */
1462         }
1463         g_free(val);
1464     }
1465
1466     if (XGetTransientForHint(obt_display, self->window, &t))
1467         self->transient = TRUE;
1468
1469     if (self->type == (ObClientType) -1) {
1470         /*the window type hint was not set, which means we either classify
1471           ourself as a normal window or a dialog, depending on if we are a
1472           transient. */
1473         if (self->transient)
1474             self->type = OB_CLIENT_TYPE_DIALOG;
1475         else
1476             self->type = OB_CLIENT_TYPE_NORMAL;
1477     }
1478
1479     /* then, based on our type, we can update our transientness.. */
1480     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1481         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1482         self->type == OB_CLIENT_TYPE_MENU ||
1483         self->type == OB_CLIENT_TYPE_UTILITY)
1484     {
1485         self->transient = TRUE;
1486     }
1487 }
1488
1489 void client_update_protocols(ObClient *self)
1490 {
1491     guint32 *proto;
1492     guint num_ret, i;
1493
1494     self->focus_notify = FALSE;
1495     self->delete_window = FALSE;
1496
1497     if (OBT_PROP_GETA32(self->window, WM_PROTOCOLS, ATOM, &proto, &num_ret)) {
1498         for (i = 0; i < num_ret; ++i) {
1499             if (proto[i] == OBT_PROP_ATOM(WM_DELETE_WINDOW))
1500                 /* this means we can request the window to close */
1501                 self->delete_window = TRUE;
1502             else if (proto[i] == OBT_PROP_ATOM(WM_TAKE_FOCUS))
1503                 /* if this protocol is requested, then the window will be
1504                    notified whenever we want it to receive focus */
1505                 self->focus_notify = TRUE;
1506             else if (proto[i] == OBT_PROP_ATOM(NET_WM_PING))
1507                 /* if this protocol is requested, then the window will allow
1508                    pings to determine if it is still alive */
1509                 self->ping = TRUE;
1510 #ifdef SYNC
1511             else if (proto[i] == OBT_PROP_ATOM(NET_WM_SYNC_REQUEST))
1512                 /* if this protocol is requested, then resizing the
1513                    window will be synchronized between the frame and the
1514                    client */
1515                 self->sync_request = TRUE;
1516 #endif
1517         }
1518         g_free(proto);
1519     }
1520 }
1521
1522 #ifdef SYNC
1523 void client_update_sync_request_counter(ObClient *self)
1524 {
1525     guint32 i;
1526
1527     if (OBT_PROP_GET32(self->window, NET_WM_SYNC_REQUEST_COUNTER, CARDINAL,&i))
1528     {
1529         self->sync_counter = i;
1530     } else
1531         self->sync_counter = None;
1532 }
1533 #endif
1534
1535 static void client_get_colormap(ObClient *self)
1536 {
1537     XWindowAttributes wa;
1538
1539     if (XGetWindowAttributes(obt_display, self->window, &wa))
1540         client_update_colormap(self, wa.colormap);
1541 }
1542
1543 void client_update_colormap(ObClient *self, Colormap colormap)
1544 {
1545     if (colormap == self->colormap) return;
1546
1547     ob_debug("Setting client %s colormap: 0x%x", self->title, colormap);
1548
1549     if (client_focused(self)) {
1550         screen_install_colormap(self, FALSE); /* uninstall old one */
1551         self->colormap = colormap;
1552         screen_install_colormap(self, TRUE); /* install new one */
1553     } else
1554         self->colormap = colormap;
1555 }
1556
1557 void client_update_normal_hints(ObClient *self)
1558 {
1559     XSizeHints size;
1560     glong ret;
1561
1562     /* defaults */
1563     self->min_ratio = 0.0f;
1564     self->max_ratio = 0.0f;
1565     SIZE_SET(self->size_inc, 1, 1);
1566     SIZE_SET(self->base_size, -1, -1);
1567     SIZE_SET(self->min_size, 0, 0);
1568     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1569
1570     /* get the hints from the window */
1571     if (XGetWMNormalHints(obt_display, self->window, &size, &ret)) {
1572         /* normal windows can't request placement! har har
1573         if (!client_normal(self))
1574         */
1575         self->positioned = (size.flags & (PPosition|USPosition));
1576         self->sized = (size.flags & (PSize|USSize));
1577
1578         if (size.flags & PWinGravity)
1579             self->gravity = size.win_gravity;
1580
1581         if (size.flags & PAspect) {
1582             if (size.min_aspect.y)
1583                 self->min_ratio =
1584                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1585             if (size.max_aspect.y)
1586                 self->max_ratio =
1587                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1588         }
1589
1590         if (size.flags & PMinSize)
1591             SIZE_SET(self->min_size, size.min_width, size.min_height);
1592
1593         if (size.flags & PMaxSize)
1594             SIZE_SET(self->max_size, size.max_width, size.max_height);
1595
1596         if (size.flags & PBaseSize)
1597             SIZE_SET(self->base_size, size.base_width, size.base_height);
1598
1599         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1600             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1601
1602         ob_debug("Normal hints: min size (%d %d) max size (%d %d)",
1603                  self->min_size.width, self->min_size.height,
1604                  self->max_size.width, self->max_size.height);
1605         ob_debug("size inc (%d %d) base size (%d %d)",
1606                  self->size_inc.width, self->size_inc.height,
1607                  self->base_size.width, self->base_size.height);
1608     }
1609     else
1610         ob_debug("Normal hints: not set");
1611 }
1612
1613 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1614 {
1615     /* start with everything (cept fullscreen) */
1616     self->decorations =
1617         (OB_FRAME_DECOR_TITLEBAR |
1618          OB_FRAME_DECOR_HANDLE |
1619          OB_FRAME_DECOR_GRIPS |
1620          OB_FRAME_DECOR_BORDER |
1621          OB_FRAME_DECOR_ICON |
1622          OB_FRAME_DECOR_ALLDESKTOPS |
1623          OB_FRAME_DECOR_ICONIFY |
1624          OB_FRAME_DECOR_MAXIMIZE |
1625          OB_FRAME_DECOR_SHADE |
1626          OB_FRAME_DECOR_CLOSE);
1627     self->functions =
1628         (OB_CLIENT_FUNC_RESIZE |
1629          OB_CLIENT_FUNC_MOVE |
1630          OB_CLIENT_FUNC_ICONIFY |
1631          OB_CLIENT_FUNC_MAXIMIZE |
1632          OB_CLIENT_FUNC_SHADE |
1633          OB_CLIENT_FUNC_CLOSE |
1634          OB_CLIENT_FUNC_BELOW |
1635          OB_CLIENT_FUNC_ABOVE |
1636          OB_CLIENT_FUNC_UNDECORATE);
1637
1638     if (!(self->min_size.width < self->max_size.width ||
1639           self->min_size.height < self->max_size.height))
1640         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1641
1642     switch (self->type) {
1643     case OB_CLIENT_TYPE_NORMAL:
1644         /* normal windows retain all of the possible decorations and
1645            functionality, and can be fullscreen */
1646         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1647         break;
1648
1649     case OB_CLIENT_TYPE_DIALOG:
1650         /* sometimes apps make dialog windows fullscreen for some reason (for
1651            e.g. kpdf does this..) */
1652         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1653         break;
1654
1655     case OB_CLIENT_TYPE_UTILITY:
1656         /* these windows don't have anything added or removed by default */
1657         break;
1658
1659     case OB_CLIENT_TYPE_MENU:
1660     case OB_CLIENT_TYPE_TOOLBAR:
1661         /* these windows can't iconify or maximize */
1662         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1663                                OB_FRAME_DECOR_MAXIMIZE);
1664         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1665                              OB_CLIENT_FUNC_MAXIMIZE);
1666         break;
1667
1668     case OB_CLIENT_TYPE_SPLASH:
1669         /* these don't get get any decorations, and the only thing you can
1670            do with them is move them */
1671         self->decorations = 0;
1672         self->functions = OB_CLIENT_FUNC_MOVE;
1673         break;
1674
1675     case OB_CLIENT_TYPE_DESKTOP:
1676         /* these windows are not manipulated by the window manager */
1677         self->decorations = 0;
1678         self->functions = 0;
1679         break;
1680
1681     case OB_CLIENT_TYPE_DOCK:
1682         /* these windows are not manipulated by the window manager, but they
1683            can set below layer which has a special meaning */
1684         self->decorations = 0;
1685         self->functions = OB_CLIENT_FUNC_BELOW;
1686         break;
1687     }
1688
1689     /* Mwm Hints are applied subtractively to what has already been chosen for
1690        decor and functionality */
1691     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1692         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1693             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1694                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1695             {
1696                 /* if the mwm hints request no handle or title, then all
1697                    decorations are disabled, but keep the border if that's
1698                    specified */
1699                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1700                     self->decorations = OB_FRAME_DECOR_BORDER;
1701                 else
1702                     self->decorations = 0;
1703             }
1704         }
1705     }
1706
1707     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1708         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1709             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1710                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1711             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1712                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1713             /* dont let mwm hints kill any buttons
1714                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1715                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1716                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1717                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1718             */
1719             /* dont let mwm hints kill the close button
1720                if (! (self->mwmhints.functions & MwmFunc_Close))
1721                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1722         }
1723     }
1724
1725     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1726         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1727     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1728         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1729     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1730         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1731
1732     /* can't maximize without moving/resizing */
1733     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1734           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1735           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1736         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1737         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1738     }
1739
1740     if (self->max_horz && self->max_vert) {
1741         /* you can't resize fully maximized windows */
1742         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1743         /* kill the handle on fully maxed windows */
1744         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1745     }
1746
1747     /* If there are no decorations to remove, don't allow the user to try
1748        toggle the state */
1749     if (self->decorations == 0)
1750         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1751
1752     /* finally, the user can have requested no decorations, which overrides
1753        everything (but doesnt give it a border if it doesnt have one) */
1754     if (self->undecorated)
1755         self->decorations = 0;
1756
1757     /* if we don't have a titlebar, then we cannot shade! */
1758     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1759         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1760
1761     /* now we need to check against rules for the client's current state */
1762     if (self->fullscreen) {
1763         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1764                             OB_CLIENT_FUNC_FULLSCREEN |
1765                             OB_CLIENT_FUNC_ICONIFY);
1766         self->decorations = 0;
1767     }
1768
1769     client_change_allowed_actions(self);
1770
1771     if (reconfig)
1772         /* force reconfigure to make sure decorations are updated */
1773         client_reconfigure(self, TRUE);
1774 }
1775
1776 static void client_change_allowed_actions(ObClient *self)
1777 {
1778     gulong actions[12];
1779     gint num = 0;
1780
1781     /* desktop windows are kept on all desktops */
1782     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1783         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
1784
1785     if (self->functions & OB_CLIENT_FUNC_SHADE)
1786         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
1787     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1788         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
1789     if (self->functions & OB_CLIENT_FUNC_MOVE)
1790         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
1791     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1792         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
1793     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1794         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
1795     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1796         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
1797     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1798         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
1799         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
1800     }
1801     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1802         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
1803     if (self->functions & OB_CLIENT_FUNC_BELOW)
1804         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
1805     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1806         actions[num++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
1807
1808     OBT_PROP_SETA32(self->window, NET_WM_ALLOWED_ACTIONS, ATOM, actions, num);
1809
1810     /* make sure the window isn't breaking any rules now
1811
1812        don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1813        it can't be iconified with its parent
1814     */
1815
1816     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1817         if (self->frame) client_shade(self, FALSE);
1818         else self->shaded = FALSE;
1819     }
1820     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1821         if (self->frame) client_fullscreen(self, FALSE);
1822         else self->fullscreen = FALSE;
1823     }
1824     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1825                                                          self->max_vert)) {
1826         if (self->frame) client_maximize(self, FALSE, 0);
1827         else self->max_vert = self->max_horz = FALSE;
1828     }
1829 }
1830
1831 void client_update_wmhints(ObClient *self)
1832 {
1833     XWMHints *hints;
1834
1835     /* assume a window takes input if it doesn't specify */
1836     self->can_focus = TRUE;
1837
1838     if ((hints = XGetWMHints(obt_display, self->window)) != NULL) {
1839         gboolean ur;
1840
1841         if (hints->flags & InputHint)
1842             self->can_focus = hints->input;
1843
1844         /* only do this when first managing the window *AND* when we aren't
1845            starting up! */
1846         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1847             if (hints->flags & StateHint)
1848                 self->iconic = hints->initial_state == IconicState;
1849
1850         ur = self->urgent;
1851         self->urgent = (hints->flags & XUrgencyHint);
1852         if (self->urgent && !ur)
1853             client_hilite(self, TRUE);
1854         else if (!self->urgent && ur && self->demands_attention)
1855             client_hilite(self, FALSE);
1856
1857         if (!(hints->flags & WindowGroupHint))
1858             hints->window_group = None;
1859
1860         /* did the group state change? */
1861         if (hints->window_group !=
1862             (self->group ? self->group->leader : None))
1863         {
1864             ObGroup *oldgroup = self->group;
1865
1866             /* remove from the old group if there was one */
1867             if (self->group) {
1868                 group_remove(self->group, self);
1869                 self->group = NULL;
1870             }
1871
1872             /* add ourself to the group if we have one */
1873             if (hints->window_group != None) {
1874                 self->group = group_add(hints->window_group, self);
1875             }
1876
1877             /* Put ourselves into the new group's transient tree, and remove
1878                ourselves from the old group's */
1879             client_update_transient_tree(self, oldgroup, self->group,
1880                                          self->transient_for_group,
1881                                          self->transient_for_group,
1882                                          client_direct_parent(self),
1883                                          client_direct_parent(self));
1884
1885             /* Lastly, being in a group, or not, can change if the window is
1886                transient for anything.
1887
1888                The logic for this is:
1889                self->transient = TRUE always if the window wants to be
1890                transient for something, even if transient_for was NULL because
1891                it wasn't in a group before.
1892
1893                If parents was NULL and oldgroup was NULL we can assume
1894                that when we add the new group, it will become transient for
1895                something.
1896
1897                If transient_for_group is TRUE, then it must have already
1898                had a group. If it is getting a new group, the above call to
1899                client_update_transient_tree has already taken care of
1900                everything ! If it is losing all group status then it will
1901                no longer be transient for anything and that needs to be
1902                updated.
1903             */
1904             if (self->transient &&
1905                 ((self->parents == NULL && oldgroup == NULL) ||
1906                  (self->transient_for_group && !self->group)))
1907                 client_update_transient_for(self);
1908         }
1909
1910         /* the WM_HINTS can contain an icon */
1911         if (hints->flags & IconPixmapHint)
1912             client_update_icons(self);
1913
1914         XFree(hints);
1915     }
1916 }
1917
1918 void client_update_title(ObClient *self)
1919 {
1920     gchar *data = NULL;
1921     gchar *visible = NULL;
1922
1923     g_free(self->title);
1924     g_free(self->original_title);
1925
1926     /* try netwm */
1927     if (!OBT_PROP_GETS(self->window, NET_WM_NAME, utf8, &data)) {
1928         /* try old x stuff */
1929         if (!(OBT_PROP_GETS(self->window, WM_NAME, locale, &data)
1930               || OBT_PROP_GETS(self->window, WM_NAME, utf8, &data))) {
1931             if (self->transient) {
1932     /*
1933     GNOME alert windows are not given titles:
1934     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1935     */
1936                 data = g_strdup("");
1937             } else
1938                 data = g_strdup(_("Unnamed Window"));
1939         }
1940     }
1941     self->original_title = g_strdup(data);
1942
1943     if (self->client_machine) {
1944         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1945         g_free(data);
1946     } else
1947         visible = data;
1948
1949     if (self->not_responding) {
1950         data = visible;
1951         if (self->kill_level > 0)
1952             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
1953         else
1954             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
1955         g_free(data);
1956     }
1957
1958     OBT_PROP_SETS(self->window, NET_WM_VISIBLE_NAME, utf8, visible);
1959     self->title = visible;
1960
1961     if (self->frame)
1962         frame_adjust_title(self->frame);
1963
1964     /* update the icon title */
1965     data = NULL;
1966     g_free(self->icon_title);
1967
1968     /* try netwm */
1969     if (!OBT_PROP_GETS(self->window, NET_WM_ICON_NAME, utf8, &data))
1970         /* try old x stuff */
1971         if (!(OBT_PROP_GETS(self->window, WM_ICON_NAME, locale, &data) ||
1972               OBT_PROP_GETS(self->window, WM_ICON_NAME, utf8, &data)))
1973             data = g_strdup(self->title);
1974
1975     if (self->client_machine) {
1976         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1977         g_free(data);
1978     } else
1979         visible = data;
1980
1981     if (self->not_responding) {
1982         data = visible;
1983         if (self->kill_level > 0)
1984             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
1985         else
1986             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
1987         g_free(data);
1988     }
1989
1990     OBT_PROP_SETS(self->window, NET_WM_VISIBLE_ICON_NAME, utf8, visible);
1991     self->icon_title = visible;
1992 }
1993
1994 void client_update_strut(ObClient *self)
1995 {
1996     guint num;
1997     guint32 *data;
1998     gboolean got = FALSE;
1999     StrutPartial strut;
2000
2001     if (OBT_PROP_GETA32(self->window, NET_WM_STRUT_PARTIAL, CARDINAL,
2002                         &data, &num))
2003     {
2004         if (num == 12) {
2005             got = TRUE;
2006             STRUT_PARTIAL_SET(strut,
2007                               data[0], data[2], data[1], data[3],
2008                               data[4], data[5], data[8], data[9],
2009                               data[6], data[7], data[10], data[11]);
2010         }
2011         g_free(data);
2012     }
2013
2014     if (!got &&
2015         OBT_PROP_GETA32(self->window, NET_WM_STRUT, CARDINAL, &data, &num)) {
2016         if (num == 4) {
2017             Rect *a;
2018
2019             got = TRUE;
2020
2021             /* use the screen's width/height */
2022             a = screen_physical_area_all_monitors();
2023
2024             STRUT_PARTIAL_SET(strut,
2025                               data[0], data[2], data[1], data[3],
2026                               a->y, a->y + a->height - 1,
2027                               a->x, a->x + a->width - 1,
2028                               a->y, a->y + a->height - 1,
2029                               a->x, a->x + a->width - 1);
2030             g_free(a);
2031         }
2032         g_free(data);
2033     }
2034
2035     if (!got)
2036         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2037                           0, 0, 0, 0, 0, 0, 0, 0);
2038
2039     if (!STRUT_EQUAL(strut, self->strut)) {
2040         self->strut = strut;
2041
2042         /* updating here is pointless while we're being mapped cuz we're not in
2043            the client list yet */
2044         if (self->frame)
2045             screen_update_areas();
2046     }
2047 }
2048
2049 void client_update_icons(ObClient *self)
2050 {
2051     guint num;
2052     guint32 *data;
2053     guint w, h, i, j;
2054     guint num_seen;  /* number of icons present */
2055     RrImage *img;
2056
2057     img = NULL;
2058
2059     /* grab the server, because we might be setting the window's icon and
2060        we don't want them to set it in between and we overwrite their own
2061        icon */
2062     grab_server(TRUE);
2063
2064     if (OBT_PROP_GETA32(self->window, NET_WM_ICON, CARDINAL, &data, &num)) {
2065         /* figure out how many valid icons are in here */
2066         i = 0;
2067         num_seen = 0;
2068         while (i + 2 < num) { /* +2 is to make sure there is a w and h */
2069             w = data[i++];
2070             h = data[i++];
2071             /* watch for the data being too small for the specified size,
2072                or for zero sized icons. */
2073             if (i + w*h > num || w == 0 || h == 0) break;
2074
2075             /* convert it to the right bit order for ObRender */
2076             for (j = 0; j < w*h; ++j)
2077                 data[i+j] =
2078                     (((data[i+j] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2079                     (((data[i+j] >> 16) & 0xff) << RrDefaultRedOffset)   +
2080                     (((data[i+j] >>  8) & 0xff) << RrDefaultGreenOffset) +
2081                     (((data[i+j] >>  0) & 0xff) << RrDefaultBlueOffset);
2082
2083             /* is it in the cache? */
2084             img = RrImageCacheFind(ob_rr_icons, &data[i], w, h);
2085             if (img) RrImageRef(img); /* own it */
2086
2087             i += w*h;
2088             ++num_seen;
2089
2090             /* don't bother looping anymore if we already found it in the cache
2091                since we'll just use that! */
2092             if (img) break;
2093         }
2094
2095         /* if it's not in the cache yet, then add it to the cache now.
2096            we have already converted it to the correct bit order above */
2097         if (!img && num_seen > 0) {
2098             img = RrImageNew(ob_rr_icons);
2099             i = 0;
2100             for (j = 0; j < num_seen; ++j) {
2101                 w = data[i++];
2102                 h = data[i++];
2103                 RrImageAddPicture(img, &data[i], w, h);
2104                 i += w*h;
2105             }
2106         }
2107
2108         g_free(data);
2109     }
2110
2111     /* if we didn't find an image from the NET_WM_ICON stuff, then try the
2112        legacy X hints */
2113     if (!img) {
2114         XWMHints *hints;
2115
2116         if ((hints = XGetWMHints(obt_display, self->window))) {
2117             if (hints->flags & IconPixmapHint) {
2118                 gboolean xicon;
2119                 obt_display_ignore_errors(TRUE);
2120                 xicon = RrPixmapToRGBA(ob_rr_inst,
2121                                        hints->icon_pixmap,
2122                                        (hints->flags & IconMaskHint ?
2123                                         hints->icon_mask : None),
2124                                        (gint*)&w, (gint*)&h, &data);
2125                 obt_display_ignore_errors(FALSE);
2126
2127                 if (xicon) {
2128                     if (w > 0 && h > 0) {
2129                         /* is this icon in the cache yet? */
2130                         img = RrImageCacheFind(ob_rr_icons, data, w, h);
2131                         if (img) RrImageRef(img); /* own it */
2132
2133                         /* if not, then add it */
2134                         if (!img) {
2135                             img = RrImageNew(ob_rr_icons);
2136                             RrImageAddPicture(img, data, w, h);
2137                         }
2138                     }
2139
2140                     g_free(data);
2141                 }
2142             }
2143             XFree(hints);
2144         }
2145     }
2146
2147     /* set the client's icons to be whatever we found */
2148     RrImageUnref(self->icon_set);
2149     self->icon_set = img;
2150
2151     /* if the client has no icon at all, then we set a default icon onto it.
2152        but, if it has parents, then one of them will have an icon already
2153     */
2154     if (!self->icon_set && !self->parents) {
2155         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2156         gulong *ldata; /* use a long here to satisfy OBT_PROP_SETA32 */
2157
2158         w = ob_rr_theme->def_win_icon_w;
2159         h = ob_rr_theme->def_win_icon_h;
2160         ldata = g_new(gulong, w*h+2);
2161         ldata[0] = w;
2162         ldata[1] = h;
2163         for (i = 0; i < w*h; ++i)
2164             ldata[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2165                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2166                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2167                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2168         OBT_PROP_SETA32(self->window, NET_WM_ICON, CARDINAL, ldata, w*h+2);
2169         g_free(ldata);
2170     } else if (self->frame)
2171         /* don't draw the icon empty if we're just setting one now anyways,
2172            we'll get the property change any second */
2173         frame_adjust_icon(self->frame);
2174
2175     grab_server(FALSE);
2176 }
2177
2178 void client_update_icon_geometry(ObClient *self)
2179 {
2180     guint num;
2181     guint32 *data;
2182
2183     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2184
2185     if (OBT_PROP_GETA32(self->window, NET_WM_ICON_GEOMETRY, CARDINAL,
2186                         &data, &num))
2187     {
2188         if (num == 4)
2189             /* don't let them set it with an area < 0 */
2190             RECT_SET(self->icon_geometry, data[0], data[1],
2191                      MAX(data[2],0), MAX(data[3],0));
2192         g_free(data);
2193     }
2194 }
2195
2196 static void client_get_session_ids(ObClient *self)
2197 {
2198     guint32 leader;
2199     gboolean got;
2200     gchar *s;
2201     gchar **ss;
2202
2203     if (!OBT_PROP_GET32(self->window, WM_CLIENT_LEADER, WINDOW, &leader))
2204         leader = None;
2205
2206     /* get the SM_CLIENT_ID */
2207     got = FALSE;
2208     if (leader)
2209         got = OBT_PROP_GETS(leader, SM_CLIENT_ID, locale, &self->sm_client_id);
2210     if (!got)
2211         OBT_PROP_GETS(self->window, SM_CLIENT_ID, locale, &self->sm_client_id);
2212
2213     /* get the WM_CLASS (name and class). make them "" if they are not
2214        provided */
2215     got = FALSE;
2216     if (leader)
2217         got = OBT_PROP_GETSS(leader, WM_CLASS, locale, &ss);
2218     if (!got)
2219         got = OBT_PROP_GETSS(self->window, WM_CLASS, locale, &ss);
2220
2221     if (got) {
2222         if (ss[0]) {
2223             self->name = g_strdup(ss[0]);
2224             if (ss[1])
2225                 self->class = g_strdup(ss[1]);
2226         }
2227         g_strfreev(ss);
2228     }
2229
2230     if (self->name == NULL) self->name = g_strdup("");
2231     if (self->class == NULL) self->class = g_strdup("");
2232
2233     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2234     got = FALSE;
2235     if (leader)
2236         got = OBT_PROP_GETS(leader, WM_WINDOW_ROLE, locale, &s);
2237     if (!got)
2238         got = OBT_PROP_GETS(self->window, WM_WINDOW_ROLE, locale, &s);
2239
2240     if (got)
2241         self->role = s;
2242     else
2243         self->role = g_strdup("");
2244
2245     /* get the WM_COMMAND */
2246     got = FALSE;
2247
2248     if (leader)
2249         got = OBT_PROP_GETSS(leader, WM_COMMAND, locale, &ss);
2250     if (!got)
2251         got = OBT_PROP_GETSS(self->window, WM_COMMAND, locale, &ss);
2252
2253     if (got) {
2254         /* merge/mash them all together */
2255         gchar *merge = NULL;
2256         gint i;
2257
2258         for (i = 0; ss[i]; ++i) {
2259             gchar *tmp = merge;
2260             if (merge)
2261                 merge = g_strconcat(merge, ss[i], NULL);
2262             else
2263                 merge = g_strconcat(ss[i], NULL);
2264             g_free(tmp);
2265         }
2266         g_strfreev(ss);
2267
2268         self->wm_command = merge;
2269     }
2270
2271     /* get the WM_CLIENT_MACHINE */
2272     got = FALSE;
2273     if (leader)
2274         got = OBT_PROP_GETS(leader, WM_CLIENT_MACHINE, locale, &s);
2275     if (!got)
2276         got = OBT_PROP_GETS(self->window, WM_CLIENT_MACHINE, locale, &s);
2277
2278     if (got) {
2279         gchar localhost[128];
2280         guint32 pid;
2281
2282         gethostname(localhost, 127);
2283         localhost[127] = '\0';
2284         if (strcmp(localhost, s) != 0)
2285             self->client_machine = s;
2286         else
2287             g_free(s);
2288
2289         /* see if it has the PID set too (the PID requires that the
2290            WM_CLIENT_MACHINE be set) */
2291         if (OBT_PROP_GET32(self->window, NET_WM_PID, CARDINAL, &pid))
2292             self->pid = pid;
2293     }
2294 }
2295
2296 static void client_change_wm_state(ObClient *self)
2297 {
2298     gulong state[2];
2299     glong old;
2300
2301     old = self->wmstate;
2302
2303     if (self->shaded || self->iconic ||
2304         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2305     {
2306         self->wmstate = IconicState;
2307     } else
2308         self->wmstate = NormalState;
2309
2310     if (old != self->wmstate) {
2311         OBT_PROP_MSG(ob_screen, self->window, KDE_WM_CHANGE_STATE,
2312                      self->wmstate, 1, 0, 0, 0);
2313
2314         state[0] = self->wmstate;
2315         state[1] = None;
2316         OBT_PROP_SETA32(self->window, WM_STATE, WM_STATE, state, 2);
2317     }
2318 }
2319
2320 static void client_change_state(ObClient *self)
2321 {
2322     gulong netstate[12];
2323     guint num;
2324
2325     num = 0;
2326     if (self->modal)
2327         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
2328     if (self->shaded)
2329         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
2330     if (self->iconic)
2331         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
2332     if (self->skip_taskbar)
2333         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
2334     if (self->skip_pager)
2335         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
2336     if (self->fullscreen)
2337         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
2338     if (self->max_vert)
2339         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
2340     if (self->max_horz)
2341         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
2342     if (self->above)
2343         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
2344     if (self->below)
2345         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
2346     if (self->demands_attention)
2347         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
2348     if (self->undecorated)
2349         netstate[num++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
2350     OBT_PROP_SETA32(self->window, NET_WM_STATE, ATOM, netstate, num);
2351
2352     if (self->frame)
2353         frame_adjust_state(self->frame);
2354 }
2355
2356 ObClient *client_search_focus_tree(ObClient *self)
2357 {
2358     GSList *it;
2359     ObClient *ret;
2360
2361     for (it = self->transients; it; it = g_slist_next(it)) {
2362         if (client_focused(it->data)) return it->data;
2363         if ((ret = client_search_focus_tree(it->data))) return ret;
2364     }
2365     return NULL;
2366 }
2367
2368 ObClient *client_search_focus_tree_full(ObClient *self)
2369 {
2370     if (self->parents) {
2371         GSList *it;
2372
2373         for (it = self->parents; it; it = g_slist_next(it)) {
2374             ObClient *c = it->data;
2375             if ((c = client_search_focus_tree_full(it->data))) return c;
2376         }
2377
2378         return NULL;
2379     }
2380     else {
2381         /* this function checks the whole tree, the client_search_focus_tree
2382            does not, so we need to check this window */
2383         if (client_focused(self))
2384             return self;
2385         return client_search_focus_tree(self);
2386     }
2387 }
2388
2389 ObClient *client_search_focus_group_full(ObClient *self)
2390 {
2391     GSList *it;
2392
2393     if (self->group) {
2394         for (it = self->group->members; it; it = g_slist_next(it)) {
2395             ObClient *c = it->data;
2396
2397             if (client_focused(c)) return c;
2398             if ((c = client_search_focus_tree(it->data))) return c;
2399         }
2400     } else
2401         if (client_focused(self)) return self;
2402     return NULL;
2403 }
2404
2405 gboolean client_has_parent(ObClient *self)
2406 {
2407     return self->parents != NULL;
2408 }
2409
2410 static ObStackingLayer calc_layer(ObClient *self)
2411 {
2412     ObStackingLayer l;
2413     Rect *monitor;
2414
2415     monitor = screen_physical_area_monitor(client_monitor(self));
2416
2417     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2418         l = OB_STACKING_LAYER_DESKTOP;
2419     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2420         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2421         else l = OB_STACKING_LAYER_ABOVE;
2422     }
2423     else if ((self->fullscreen ||
2424               /* No decorations and fills the monitor = oldskool fullscreen.
2425                  But not for maximized windows.
2426               */
2427               (self->decorations == 0 &&
2428                !(self->max_horz && self->max_vert) &&
2429                RECT_EQUAL(self->area, *monitor))) &&
2430              /* you are fullscreen while you or your children are focused.. */
2431              (client_focused(self) || client_search_focus_tree(self) ||
2432               /* you can be fullscreen if you're on another desktop */
2433               (self->desktop != screen_desktop &&
2434                self->desktop != DESKTOP_ALL) ||
2435               /* and you can also be fullscreen if the focused client is on
2436                  another monitor, or nothing else is focused */
2437               (!focus_client ||
2438                client_monitor(focus_client) != client_monitor(self))))
2439         l = OB_STACKING_LAYER_FULLSCREEN;
2440     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2441     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2442     else l = OB_STACKING_LAYER_NORMAL;
2443
2444     g_free(monitor);
2445
2446     return l;
2447 }
2448
2449 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2450                                         ObStackingLayer min)
2451 {
2452     ObStackingLayer old, own;
2453     GSList *it;
2454
2455     old = self->layer;
2456     own = calc_layer(self);
2457     self->layer = MAX(own, min);
2458
2459     if (self->layer != old) {
2460         stacking_remove(CLIENT_AS_WINDOW(self));
2461         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2462     }
2463
2464     /* we've been restacked */
2465     self->visited = TRUE;
2466
2467     for (it = self->transients; it; it = g_slist_next(it))
2468         client_calc_layer_recursive(it->data, orig,
2469                                     self->layer);
2470 }
2471
2472 static void client_calc_layer_internal(ObClient *self)
2473 {
2474     GSList *sit;
2475
2476     /* transients take on the layer of their parents */
2477     sit = client_search_all_top_parents(self);
2478
2479     for (; sit; sit = g_slist_next(sit))
2480         client_calc_layer_recursive(sit->data, self, 0);
2481 }
2482
2483 void client_calc_layer(ObClient *self)
2484 {
2485     GList *it;
2486
2487     /* skip over stuff above fullscreen layer */
2488     for (it = stacking_list; it; it = g_list_next(it))
2489         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2490
2491     /* find the windows in the fullscreen layer, and mark them not-visited */
2492     for (; it; it = g_list_next(it)) {
2493         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2494         else if (WINDOW_IS_CLIENT(it->data))
2495             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2496     }
2497
2498     client_calc_layer_internal(self);
2499
2500     /* skip over stuff above fullscreen layer */
2501     for (it = stacking_list; it; it = g_list_next(it))
2502         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2503
2504     /* now recalc any windows in the fullscreen layer which have not
2505        had their layer recalced already */
2506     for (; it; it = g_list_next(it)) {
2507         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2508         else if (WINDOW_IS_CLIENT(it->data) &&
2509                  !WINDOW_AS_CLIENT(it->data)->visited)
2510             client_calc_layer_internal(it->data);
2511     }
2512 }
2513
2514 gboolean client_should_show(ObClient *self)
2515 {
2516     if (self->iconic)
2517         return FALSE;
2518     if (client_normal(self) && screen_showing_desktop)
2519         return FALSE;
2520     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2521         return TRUE;
2522
2523     return FALSE;
2524 }
2525
2526 gboolean client_show(ObClient *self)
2527 {
2528     gboolean show = FALSE;
2529
2530     if (client_should_show(self)) {
2531         /* replay pending pointer event before showing the window, in case it
2532            should be going to something under the window */
2533         mouse_replay_pointer();
2534
2535         frame_show(self->frame);
2536         show = TRUE;
2537
2538         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2539            it needs to be in IconicState. This includes when it is on another
2540            desktop!
2541         */
2542         client_change_wm_state(self);
2543
2544         hooks_queue(OB_HOOK_WIN_VISIBLE, self);
2545     }
2546     return show;
2547 }
2548
2549 gboolean client_hide(ObClient *self)
2550 {
2551     gboolean hide = FALSE;
2552
2553     if (!client_should_show(self)) {
2554         if (self == focus_client) {
2555             event_cancel_all_key_grabs();
2556         }
2557
2558         /* We don't need to ignore enter events here.
2559            The window can hide/iconify in 3 different ways:
2560            1 - through an x message. in this case we ignore all enter events
2561                caused by responding to the x message (unless underMouse)
2562            2 - by a keyboard action. in this case we ignore all enter events
2563                caused by the action
2564            3 - by a mouse action. in this case they are doing stuff with the
2565                mouse and focus _should_ move.
2566
2567            Also in action_end, we simulate an enter event that can't be ignored
2568            so trying to ignore them is futile in case 3 anyways
2569         */
2570
2571         /* replay pending pointer event before hiding the window, in case it
2572            should be going to the window */
2573         mouse_replay_pointer();
2574
2575         frame_hide(self->frame);
2576         hide = TRUE;
2577
2578         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2579            it needs to be in IconicState. This includes when it is on another
2580            desktop!
2581         */
2582         client_change_wm_state(self);
2583
2584         hooks_queue(OB_HOOK_WIN_INVISIBLE, self);
2585     }
2586     return hide;
2587 }
2588
2589 void client_showhide(ObClient *self)
2590 {
2591     if (!client_show(self))
2592         client_hide(self);
2593 }
2594
2595 gboolean client_normal(ObClient *self) {
2596     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2597               self->type == OB_CLIENT_TYPE_DOCK ||
2598               self->type == OB_CLIENT_TYPE_SPLASH);
2599 }
2600
2601 gboolean client_helper(ObClient *self)
2602 {
2603     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2604             self->type == OB_CLIENT_TYPE_MENU ||
2605             self->type == OB_CLIENT_TYPE_TOOLBAR);
2606 }
2607
2608 gboolean client_mouse_focusable(ObClient *self)
2609 {
2610     return !(self->type == OB_CLIENT_TYPE_MENU ||
2611              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2612              self->type == OB_CLIENT_TYPE_SPLASH ||
2613              self->type == OB_CLIENT_TYPE_DOCK);
2614 }
2615
2616 gboolean client_enter_focusable(ObClient *self)
2617 {
2618     /* you can focus desktops but it shouldn't on enter */
2619     return (client_mouse_focusable(self) &&
2620             self->type != OB_CLIENT_TYPE_DESKTOP);
2621 }
2622
2623 static void client_apply_startup_state(ObClient *self,
2624                                        gint x, gint y, gint w, gint h)
2625 {
2626     /* save the states that we are going to apply */
2627     gboolean iconic = self->iconic;
2628     gboolean fullscreen = self->fullscreen;
2629     gboolean undecorated = self->undecorated;
2630     gboolean shaded = self->shaded;
2631     gboolean demands_attention = self->demands_attention;
2632     gboolean max_horz = self->max_horz;
2633     gboolean max_vert = self->max_vert;
2634     Rect oldarea;
2635     gint l;
2636
2637     /* turn them all off in the client, so they won't affect the window
2638        being placed */
2639     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2640         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2641
2642     /* move the client to its placed position, or it it's already there,
2643        generate a ConfigureNotify telling the client where it is.
2644
2645        do this after adjusting the frame. otherwise it gets all weird and
2646        clients don't work right
2647
2648        do this before applying the states so they have the correct
2649        pre-max/pre-fullscreen values
2650     */
2651     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2652     ob_debug("placed window 0x%x at %d, %d with size %d x %d",
2653              self->window, x, y, w, h);
2654     /* save the area, and make it where it should be for the premax stuff */
2655     oldarea = self->area;
2656     RECT_SET(self->area, x, y, w, h);
2657
2658     /* apply the states. these are in a carefully crafted order.. */
2659
2660     if (iconic)
2661         client_iconify(self, TRUE, FALSE, TRUE);
2662     if (fullscreen)
2663         client_fullscreen(self, TRUE);
2664     if (undecorated)
2665         client_set_undecorated(self, TRUE);
2666     if (shaded)
2667         client_shade(self, TRUE);
2668     if (demands_attention)
2669         client_hilite(self, TRUE);
2670
2671     if (max_vert && max_horz)
2672         client_maximize(self, TRUE, 0);
2673     else if (max_vert)
2674         client_maximize(self, TRUE, 2);
2675     else if (max_horz)
2676         client_maximize(self, TRUE, 1);
2677
2678     /* if the window hasn't been configured yet, then do so now, in fact the
2679        x,y,w,h may _not_ be the same as the area rect, which can end up
2680        meaning that the client isn't properly moved/resized by the fullscreen
2681        function
2682        pho can cause this because it maps at size of the screen but not 0,0
2683        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2684        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2685        cuz thats where the pre-fullscreen will be. however the actual area is
2686        not, so this needs to be called even if we have fullscreened/maxed
2687     */
2688     self->area = oldarea;
2689     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2690
2691     /* set the desktop hint, to make sure that it always exists */
2692     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
2693
2694     /* nothing to do for the other states:
2695        skip_taskbar
2696        skip_pager
2697        modal
2698        above
2699        below
2700     */
2701 }
2702
2703 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2704 {
2705     /* these should be the current values. this is for when you're not moving,
2706        just resizing */
2707     g_assert(*x == self->area.x);
2708     g_assert(oldw == self->area.width);
2709
2710     /* horizontal */
2711     switch (self->gravity) {
2712     default:
2713     case NorthWestGravity:
2714     case WestGravity:
2715     case SouthWestGravity:
2716     case StaticGravity:
2717     case ForgetGravity:
2718         break;
2719     case NorthGravity:
2720     case CenterGravity:
2721     case SouthGravity:
2722         *x -= (neww - oldw) / 2;
2723         break;
2724     case NorthEastGravity:
2725     case EastGravity:
2726     case SouthEastGravity:
2727         *x -= neww - oldw;
2728         break;
2729     }
2730 }
2731
2732 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2733 {
2734     /* these should be the current values. this is for when you're not moving,
2735        just resizing */
2736     g_assert(*y == self->area.y);
2737     g_assert(oldh == self->area.height);
2738
2739     /* vertical */
2740     switch (self->gravity) {
2741     default:
2742     case NorthWestGravity:
2743     case NorthGravity:
2744     case NorthEastGravity:
2745     case StaticGravity:
2746     case ForgetGravity:
2747         break;
2748     case WestGravity:
2749     case CenterGravity:
2750     case EastGravity:
2751         *y -= (newh - oldh) / 2;
2752         break;
2753     case SouthWestGravity:
2754     case SouthGravity:
2755     case SouthEastGravity:
2756         *y -= newh - oldh;
2757         break;
2758     }
2759 }
2760
2761 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2762                           gint *logicalw, gint *logicalh,
2763                           gboolean user)
2764 {
2765     Rect desired = {*x, *y, *w, *h};
2766     frame_rect_to_frame(self->frame, &desired);
2767
2768     /* make the frame recalculate its dimensions n shit without changing
2769        anything visible for real, this way the constraints below can work with
2770        the updated frame dimensions. */
2771     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2772
2773     /* gets the frame's position */
2774     frame_client_gravity(self->frame, x, y);
2775
2776     /* these positions are frame positions, not client positions */
2777
2778     /* set the size and position if fullscreen */
2779     if (self->fullscreen) {
2780         Rect *a;
2781         guint i;
2782
2783         i = screen_find_monitor(&desired);
2784         a = screen_physical_area_monitor(i);
2785
2786         *x = a->x;
2787         *y = a->y;
2788         *w = a->width;
2789         *h = a->height;
2790
2791         user = FALSE; /* ignore if the client can't be moved/resized when it
2792                          is fullscreening */
2793
2794         g_free(a);
2795     } else if (self->max_horz || self->max_vert) {
2796         Rect *a;
2797         guint i;
2798
2799         /* use all possible struts when maximizing to the full screen */
2800         i = screen_find_monitor(&desired);
2801         a = screen_area(self->desktop, i,
2802                         (self->max_horz && self->max_vert ? NULL : &desired));
2803
2804         /* set the size and position if maximized */
2805         if (self->max_horz) {
2806             *x = a->x;
2807             *w = a->width - self->frame->size.left - self->frame->size.right;
2808         }
2809         if (self->max_vert) {
2810             *y = a->y;
2811             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2812         }
2813
2814         user = FALSE; /* ignore if the client can't be moved/resized when it
2815                          is maximizing */
2816
2817         g_free(a);
2818     }
2819
2820     /* gets the client's position */
2821     frame_frame_gravity(self->frame, x, y);
2822
2823     /* work within the preferred sizes given by the window, these may have
2824        changed rather than it's requested width and height, so always run
2825        through this code */
2826     {
2827         gint basew, baseh, minw, minh;
2828         gint incw, inch;
2829         gfloat minratio, maxratio;
2830
2831         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2832         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2833         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2834             0 : self->min_ratio;
2835         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2836             0 : self->max_ratio;
2837
2838         /* base size is substituted with min size if not specified */
2839         if (self->base_size.width >= 0 || self->base_size.height >= 0) {
2840             basew = self->base_size.width;
2841             baseh = self->base_size.height;
2842         } else {
2843             basew = self->min_size.width;
2844             baseh = self->min_size.height;
2845         }
2846         /* min size is substituted with base size if not specified */
2847         if (self->min_size.width || self->min_size.height) {
2848             minw = self->min_size.width;
2849             minh = self->min_size.height;
2850         } else {
2851             minw = self->base_size.width;
2852             minh = self->base_size.height;
2853         }
2854
2855         /* This comment is no longer true */
2856         /* if this is a user-requested resize, then check against min/max
2857            sizes */
2858
2859         /* smaller than min size or bigger than max size? */
2860         if (*w > self->max_size.width) *w = self->max_size.width;
2861         if (*w < minw) *w = minw;
2862         if (*h > self->max_size.height) *h = self->max_size.height;
2863         if (*h < minh) *h = minh;
2864
2865         *w -= basew;
2866         *h -= baseh;
2867
2868         /* keep to the increments */
2869         *w /= incw;
2870         *h /= inch;
2871
2872         /* you cannot resize to nothing */
2873         if (basew + *w < 1) *w = 1 - basew;
2874         if (baseh + *h < 1) *h = 1 - baseh;
2875
2876         /* save the logical size */
2877         *logicalw = incw > 1 ? *w : *w + basew;
2878         *logicalh = inch > 1 ? *h : *h + baseh;
2879
2880         *w *= incw;
2881         *h *= inch;
2882
2883         *w += basew;
2884         *h += baseh;
2885
2886         /* adjust the height to match the width for the aspect ratios.
2887            for this, min size is not substituted for base size ever. */
2888         *w -= self->base_size.width;
2889         *h -= self->base_size.height;
2890
2891         if (minratio)
2892             if (*h * minratio > *w) {
2893                 *h = (gint)(*w / minratio);
2894
2895                 /* you cannot resize to nothing */
2896                 if (*h < 1) {
2897                     *h = 1;
2898                     *w = (gint)(*h * minratio);
2899                 }
2900             }
2901         if (maxratio)
2902             if (*h * maxratio < *w) {
2903                 *h = (gint)(*w / maxratio);
2904
2905                 /* you cannot resize to nothing */
2906                 if (*h < 1) {
2907                     *h = 1;
2908                     *w = (gint)(*h * minratio);
2909                 }
2910             }
2911
2912         *w += self->base_size.width;
2913         *h += self->base_size.height;
2914     }
2915
2916     /* these override the above states! if you cant move you can't move! */
2917     if (user) {
2918         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2919             *x = self->area.x;
2920             *y = self->area.y;
2921         }
2922         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2923             *w = self->area.width;
2924             *h = self->area.height;
2925         }
2926     }
2927
2928     g_assert(*w > 0);
2929     g_assert(*h > 0);
2930 }
2931
2932 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2933                       gboolean user, gboolean final, gboolean force_reply)
2934 {
2935     Rect oldframe;
2936     gint oldw, oldh;
2937     gboolean send_resize_client;
2938     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2939     gboolean fmoved, fresized;
2940     guint fdecor = self->frame->decorations;
2941     gboolean fhorz = self->frame->max_horz;
2942     gboolean fvert = self->frame->max_vert;
2943     gint logicalw, logicalh;
2944
2945     /* find the new x, y, width, and height (and logical size) */
2946     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2947
2948     /* set the logical size if things changed */
2949     if (!(w == self->area.width && h == self->area.height))
2950         SIZE_SET(self->logical_size, logicalw, logicalh);
2951
2952     /* figure out if we moved or resized or what */
2953     moved = (x != self->area.x || y != self->area.y);
2954     resized = (w != self->area.width || h != self->area.height);
2955
2956     oldw = self->area.width;
2957     oldh = self->area.height;
2958     oldframe = self->frame->area;
2959     RECT_SET(self->area, x, y, w, h);
2960
2961     /* for app-requested resizes, always resize if 'resized' is true.
2962        for user-requested ones, only resize if final is true, or when
2963        resizing in redraw mode */
2964     send_resize_client = ((!user && resized) ||
2965                           (user && (final ||
2966                                     (resized && config_resize_redraw))));
2967
2968     /* if the client is enlarging, then resize the client before the frame */
2969     if (send_resize_client && (w > oldw || h > oldh)) {
2970         XMoveResizeWindow(obt_display, self->window,
2971                           self->frame->size.left, self->frame->size.top,
2972                           MAX(w, oldw), MAX(h, oldh));
2973         frame_adjust_client_area(self->frame);
2974     }
2975
2976     /* find the frame's dimensions and move/resize it */
2977     fmoved = moved;
2978     fresized = resized;
2979
2980     /* if decorations changed, then readjust everything for the frame */
2981     if (self->decorations != fdecor ||
2982         self->max_horz != fhorz || self->max_vert != fvert)
2983     {
2984         fmoved = fresized = TRUE;
2985     }
2986
2987     /* adjust the frame */
2988     if (fmoved || fresized) {
2989         gulong ignore_start;
2990         if (!user)
2991             ignore_start = event_start_ignore_all_enters();
2992
2993         /* replay pending pointer event before move the window, in case it
2994            would change what window gets the event */
2995         mouse_replay_pointer();
2996
2997         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2998
2999         if (!user)
3000             event_end_ignore_all_enters(ignore_start);
3001     }
3002
3003     if (!user || final) {
3004         gint oldrx = self->root_pos.x;
3005         gint oldry = self->root_pos.y;
3006         /* we have reset the client to 0 border width, so don't include
3007            it in these coords */
3008         POINT_SET(self->root_pos,
3009                   self->frame->area.x + self->frame->size.left -
3010                   self->border_width,
3011                   self->frame->area.y + self->frame->size.top -
3012                   self->border_width);
3013         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3014             rootmoved = TRUE;
3015     }
3016
3017     /* This is kinda tricky and should not be changed.. let me explain!
3018
3019        When user = FALSE, then the request is coming from the application
3020        itself, and we are more strict about when to send a synthetic
3021        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3022        in this case (if force_reply is true)
3023
3024        When user = TRUE, then the request is coming from "us", like when we
3025        maximize a window or something.  In this case we are more lenient.  We
3026        used to follow the same rules as above, but _Java_ Swing can't handle
3027        this. So just to appease Swing, when user = TRUE, we always send
3028        a synthetic ConfigureNotify to give the window its root coordinates.
3029     */
3030     if ((!user && !resized && (rootmoved || force_reply)) ||
3031         (user && final && rootmoved))
3032     {
3033         XEvent event;
3034
3035         event.type = ConfigureNotify;
3036         event.xconfigure.display = obt_display;
3037         event.xconfigure.event = self->window;
3038         event.xconfigure.window = self->window;
3039
3040         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d",
3041                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3042
3043         /* root window real coords */
3044         event.xconfigure.x = self->root_pos.x;
3045         event.xconfigure.y = self->root_pos.y;
3046         event.xconfigure.width = w;
3047         event.xconfigure.height = h;
3048         event.xconfigure.border_width = self->border_width;
3049         event.xconfigure.above = None;
3050         event.xconfigure.override_redirect = FALSE;
3051         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3052                    FALSE, StructureNotifyMask, &event);
3053     }
3054
3055     /* if the client is shrinking, then resize the frame before the client.
3056
3057        both of these resize sections may run, because the top one only resizes
3058        in the direction that is growing
3059      */
3060     if (send_resize_client && (w <= oldw || h <= oldh)) {
3061         frame_adjust_client_area(self->frame);
3062         XMoveResizeWindow(obt_display, self->window,
3063                           self->frame->size.left, self->frame->size.top, w, h);
3064     }
3065
3066     XFlush(obt_display);
3067
3068     /* if it moved between monitors, then this can affect the stacking
3069        layer of this window or others - for fullscreen windows */
3070     if (screen_find_monitor(&self->frame->area) !=
3071         screen_find_monitor(&oldframe))
3072     {
3073         client_calc_layer(self);
3074     }
3075 }
3076
3077 void client_fullscreen(ObClient *self, gboolean fs)
3078 {
3079     gint x, y, w, h;
3080
3081     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3082         self->fullscreen == fs) return;                   /* already done */
3083
3084     self->fullscreen = fs;
3085     client_change_state(self); /* change the state hints on the client */
3086
3087     if (fs) {
3088         self->pre_fullscreen_area = self->area;
3089         /* if the window is maximized, its area isn't all that meaningful.
3090            save its premax area instead. */
3091         if (self->max_horz) {
3092             self->pre_fullscreen_area.x = self->pre_max_area.x;
3093             self->pre_fullscreen_area.width = self->pre_max_area.width;
3094         }
3095         if (self->max_vert) {
3096             self->pre_fullscreen_area.y = self->pre_max_area.y;
3097             self->pre_fullscreen_area.height = self->pre_max_area.height;
3098         }
3099
3100         /* these will help configure_full figure out where to fullscreen
3101            the window */
3102         x = self->area.x;
3103         y = self->area.y;
3104         w = self->area.width;
3105         h = self->area.height;
3106     } else {
3107         g_assert(self->pre_fullscreen_area.width > 0 &&
3108                  self->pre_fullscreen_area.height > 0);
3109
3110         x = self->pre_fullscreen_area.x;
3111         y = self->pre_fullscreen_area.y;
3112         w = self->pre_fullscreen_area.width;
3113         h = self->pre_fullscreen_area.height;
3114         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3115     }
3116
3117     ob_debug("Window %s going fullscreen (%d)",
3118              self->title, self->fullscreen);
3119
3120     client_setup_decor_and_functions(self, FALSE);
3121     client_move_resize(self, x, y, w, h);
3122
3123     /* and adjust our layer/stacking. do this after resizing the window,
3124        and applying decorations, because windows which fill the screen are
3125        considered "fullscreen" and it affects their layer */
3126     client_calc_layer(self);
3127
3128     if (fs) {
3129         /* try focus us when we go into fullscreen mode */
3130         client_focus(self);
3131     }
3132 }
3133
3134 static void client_iconify_recursive(ObClient *self,
3135                                      gboolean iconic, gboolean curdesk,
3136                                      gboolean hide_animation)
3137 {
3138     GSList *it;
3139     gboolean changed = FALSE;
3140
3141     if (self->iconic != iconic) {
3142         ob_debug("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
3143                  self->window);
3144
3145         if (iconic) {
3146             /* don't let non-normal windows iconify along with their parents
3147                or whatever */
3148             if (client_normal(self)) {
3149                 self->iconic = iconic;
3150
3151                 /* update the focus lists.. iconic windows go to the bottom of
3152                    the list */
3153                 focus_order_to_bottom(self);
3154
3155                 changed = TRUE;
3156             }
3157         } else {
3158             self->iconic = iconic;
3159
3160             if (curdesk && self->desktop != screen_desktop &&
3161                 self->desktop != DESKTOP_ALL)
3162                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3163
3164             /* this puts it after the current focused window */
3165             focus_order_remove(self);
3166             focus_order_add_new(self);
3167
3168             changed = TRUE;
3169         }
3170     }
3171
3172     if (changed) {
3173         client_change_state(self);
3174         if (config_animate_iconify && !hide_animation)
3175             frame_begin_iconify_animation(self->frame, iconic);
3176         /* do this after starting the animation so it doesn't flash */
3177         client_showhide(self);
3178
3179         hooks_queue((iconic ? OB_HOOK_WIN_ICONIC : OB_HOOK_WIN_UNICONIC),
3180                     self);
3181     }
3182
3183     /* iconify all direct transients, and deiconify all transients
3184        (non-direct too) */
3185     for (it = self->transients; it; it = g_slist_next(it))
3186         if (it->data != self)
3187             if (client_is_direct_child(self, it->data) || !iconic)
3188                 client_iconify_recursive(it->data, iconic, curdesk,
3189                                          hide_animation);
3190 }
3191
3192 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3193                     gboolean hide_animation)
3194 {
3195     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3196         /* move up the transient chain as far as possible first */
3197         self = client_search_top_direct_parent(self);
3198         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3199     }
3200 }
3201
3202 void client_maximize(ObClient *self, gboolean max, gint dir)
3203 {
3204     gint x, y, w, h;
3205
3206     g_assert(dir == 0 || dir == 1 || dir == 2);
3207     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && max) return;/* can't */
3208
3209     /* check if already done */
3210     if (max) {
3211         if (dir == 0 && self->max_horz && self->max_vert) return;
3212         if (dir == 1 && self->max_horz) return;
3213         if (dir == 2 && self->max_vert) return;
3214     } else {
3215         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3216         if (dir == 1 && !self->max_horz) return;
3217         if (dir == 2 && !self->max_vert) return;
3218     }
3219
3220     /* these will help configure_full figure out which screen to fill with
3221        the window */
3222     x = self->area.x;
3223     y = self->area.y;
3224     w = self->area.width;
3225     h = self->area.height;
3226
3227     if (max) {
3228         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3229             RECT_SET(self->pre_max_area,
3230                      self->area.x, self->pre_max_area.y,
3231                      self->area.width, self->pre_max_area.height);
3232         }
3233         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3234             RECT_SET(self->pre_max_area,
3235                      self->pre_max_area.x, self->area.y,
3236                      self->pre_max_area.width, self->area.height);
3237         }
3238     } else {
3239         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3240             g_assert(self->pre_max_area.width > 0);
3241
3242             x = self->pre_max_area.x;
3243             w = self->pre_max_area.width;
3244
3245             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3246                      0, self->pre_max_area.height);
3247         }
3248         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3249             g_assert(self->pre_max_area.height > 0);
3250
3251             y = self->pre_max_area.y;
3252             h = self->pre_max_area.height;
3253
3254             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3255                      self->pre_max_area.width, 0);
3256         }
3257     }
3258
3259     if (dir == 0 || dir == 1) /* horz */
3260         self->max_horz = max;
3261     if (dir == 0 || dir == 2) /* vert */
3262         self->max_vert = max;
3263
3264     client_change_state(self); /* change the state hints on the client */
3265
3266     client_setup_decor_and_functions(self, FALSE);
3267     client_move_resize(self, x, y, w, h);
3268
3269     hooks_queue((max ? OB_HOOK_WIN_MAX : OB_HOOK_WIN_UNMAX), self);
3270 }
3271
3272 void client_shade(ObClient *self, gboolean shade)
3273 {
3274     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3275          shade) ||                         /* can't shade */
3276         self->shaded == shade) return;     /* already done */
3277
3278     self->shaded = shade;
3279     client_change_state(self);
3280     client_change_wm_state(self); /* the window is being hidden/shown */
3281     /* resize the frame to just the titlebar */
3282     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3283
3284     hooks_queue((shade ? OB_HOOK_WIN_SHADE : OB_HOOK_WIN_UNSHADE), self);
3285 }
3286
3287 static void client_ping_event(ObClient *self, gboolean dead)
3288 {
3289     if (self->not_responding != dead) {
3290         self->not_responding = dead;
3291         client_update_title(self);
3292
3293         if (dead)
3294             /* the client isn't responding, so ask to kill it */
3295             client_prompt_kill(self);
3296         else {
3297             /* it came back to life ! */
3298
3299             if (self->kill_prompt) {
3300                 prompt_unref(self->kill_prompt);
3301                 self->kill_prompt = NULL;
3302             }
3303
3304             self->kill_level = 0;
3305         }
3306     }
3307 }
3308
3309 void client_close(ObClient *self)
3310 {
3311     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3312
3313     /* if closing an internal obprompt, that is just cancelling it */
3314     if (self->prompt) {
3315         prompt_cancel(self->prompt);
3316         return;
3317     }
3318
3319     /* in the case that the client provides no means to requesting that it
3320        close, we just kill it */
3321     if (!self->delete_window)
3322         /* don't use client_kill(), we should only kill based on PID in
3323            response to a lack of PING replies */
3324         XKillClient(obt_display, self->window);
3325     else {
3326         /* request the client to close with WM_DELETE_WINDOW */
3327         OBT_PROP_MSG_TO(self->window, self->window, WM_PROTOCOLS,
3328                         OBT_PROP_ATOM(WM_DELETE_WINDOW), event_curtime,
3329                         0, 0, 0, NoEventMask);
3330
3331         /* we're trying to close the window, so see if it is responding. if it
3332            is not, then we will let them kill the window */
3333         if (self->ping)
3334             ping_start(self, client_ping_event);
3335
3336         /* if we already know the window isn't responding (maybe they clicked
3337            no in the kill dialog but it hasn't come back to life), then show
3338            the kill dialog */
3339         if (self->not_responding)
3340             client_prompt_kill(self);
3341     }
3342 }
3343
3344 #define OB_KILL_RESULT_NO 0
3345 #define OB_KILL_RESULT_YES 1
3346
3347 static gboolean client_kill_requested(ObPrompt *p, gint result, gpointer data)
3348 {
3349     ObClient *self = data;
3350
3351     if (result == OB_KILL_RESULT_YES)
3352         client_kill(self);
3353     return TRUE; /* call the cleanup func */
3354 }
3355
3356 static void client_kill_cleanup(ObPrompt *p, gpointer data)
3357 {
3358     ObClient *self = data;
3359
3360     g_assert(p == self->kill_prompt);
3361
3362     prompt_unref(self->kill_prompt);
3363     self->kill_prompt = NULL;
3364 }
3365
3366 static void client_prompt_kill(ObClient *self)
3367 {
3368     /* check if we're already prompting */
3369     if (!self->kill_prompt) {
3370         ObPromptAnswer answers[] = {
3371             { 0, OB_KILL_RESULT_NO },
3372             { 0, OB_KILL_RESULT_YES }
3373         };
3374         gchar *m;
3375         const gchar *y, *title;
3376
3377         title = self->original_title;
3378         if (title[0] == '\0') {
3379             /* empty string, so use its parent */
3380             ObClient *p = client_search_top_direct_parent(self);
3381             if (p) title = p->original_title;
3382         }
3383
3384         if (client_on_localhost(self)) {
3385             const gchar *sig;
3386
3387             if (self->kill_level == 0)
3388                 sig = "terminate";
3389             else
3390                 sig = "kill";
3391
3392             m = g_strdup_printf
3393                 (_("The window \"%s\" does not seem to be responding.  Do you want to force it to exit by sending the %s signal?"),
3394                  title, sig);
3395             y = _("End Process");
3396         }
3397         else {
3398             m = g_strdup_printf
3399                 (_("The window \"%s\" does not seem to be responding.  Do you want to disconnect it from the X server?"),
3400                  title);
3401             y = _("Disconnect");
3402         }
3403         /* set the dialog buttons' text */
3404         answers[0].text = _("Cancel");  /* "no" */
3405         answers[1].text = y;            /* "yes" */
3406
3407         self->kill_prompt = prompt_new(m, NULL, answers,
3408                                        sizeof(answers)/sizeof(answers[0]),
3409                                        OB_KILL_RESULT_NO, /* default = no */
3410                                        OB_KILL_RESULT_NO, /* cancel = no */
3411                                        client_kill_requested,
3412                                        client_kill_cleanup,
3413                                        self);
3414         g_free(m);
3415     }
3416
3417     prompt_show(self->kill_prompt, self, TRUE);
3418 }
3419
3420 void client_kill(ObClient *self)
3421 {
3422     /* don't kill our own windows */
3423     if (self->prompt) return;
3424
3425     if (client_on_localhost(self) && self->pid) {
3426         /* running on the local host */
3427         if (self->kill_level == 0) {
3428             ob_debug("killing window 0x%x with pid %lu, with SIGTERM",
3429                      self->window, self->pid);
3430             kill(self->pid, SIGTERM);
3431             ++self->kill_level;
3432
3433             /* show that we're trying to kill it */
3434             client_update_title(self);
3435         }
3436         else {
3437             ob_debug("killing window 0x%x with pid %lu, with SIGKILL",
3438                      self->window, self->pid);
3439             kill(self->pid, SIGKILL); /* kill -9 */
3440         }
3441     }
3442     else {
3443         /* running on a remote host */
3444         XKillClient(obt_display, self->window);
3445     }
3446 }
3447
3448 void client_hilite(ObClient *self, gboolean hilite)
3449 {
3450     if (self->demands_attention == hilite)
3451         return; /* no change */
3452
3453     /* don't allow focused windows to hilite */
3454     self->demands_attention = hilite && !client_focused(self);
3455     if (self->frame != NULL) { /* if we're mapping, just set the state */
3456         if (self->demands_attention)
3457             frame_flash_start(self->frame);
3458         else
3459             frame_flash_stop(self->frame);
3460         client_change_state(self);
3461     }
3462 }
3463
3464 static void client_set_desktop_recursive(ObClient *self,
3465                                          guint target,
3466                                          gboolean donthide,
3467                                          gboolean dontraise)
3468 {
3469     guint old;
3470     GSList *it;
3471
3472     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3473
3474         ob_debug("Setting desktop %u", target+1);
3475
3476         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3477
3478         old = self->desktop;
3479         self->desktop = target;
3480         OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, target);
3481         /* the frame can display the current desktop state */
3482         frame_adjust_state(self->frame);
3483         /* 'move' the window to the new desktop */
3484         if (!donthide)
3485             client_hide(self);
3486         client_show(self);
3487         /* raise if it was not already on the desktop */
3488         if (old != DESKTOP_ALL && !dontraise)
3489             stacking_raise(CLIENT_AS_WINDOW(self));
3490         if (STRUT_EXISTS(self->strut))
3491             screen_update_areas();
3492         else
3493             /* the new desktop's geometry may be different, so we may need to
3494                resize, for example if we are maximized */
3495             client_reconfigure(self, FALSE);
3496
3497         if (old != self->desktop)
3498             hooks_queue(OB_HOOK_WIN_DESK_CHANGE, self);
3499     }
3500
3501     /* move all transients */
3502     for (it = self->transients; it; it = g_slist_next(it))
3503         if (it->data != self)
3504             if (client_is_direct_child(self, it->data))
3505                 client_set_desktop_recursive(it->data, target,
3506                                              donthide, dontraise);
3507 }
3508
3509 void client_set_desktop(ObClient *self, guint target,
3510                         gboolean donthide, gboolean dontraise)
3511 {
3512     self = client_search_top_direct_parent(self);
3513     client_set_desktop_recursive(self, target, donthide, dontraise);
3514 }
3515
3516 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3517 {
3518     while (child != parent && (child = client_direct_parent(child)));
3519     return child == parent;
3520 }
3521
3522 ObClient *client_search_modal_child(ObClient *self)
3523 {
3524     GSList *it;
3525     ObClient *ret;
3526
3527     for (it = self->transients; it; it = g_slist_next(it)) {
3528         ObClient *c = it->data;
3529         if ((ret = client_search_modal_child(c))) return ret;
3530         if (c->modal) return c;
3531     }
3532     return NULL;
3533 }
3534
3535 gboolean client_validate(ObClient *self)
3536 {
3537     XEvent e;
3538
3539     XSync(obt_display, FALSE); /* get all events on the server */
3540
3541     if (XCheckTypedWindowEvent(obt_display, self->window, DestroyNotify, &e) ||
3542         XCheckTypedWindowEvent(obt_display, self->window, UnmapNotify, &e))
3543     {
3544         XPutBackEvent(obt_display, &e);
3545         return FALSE;
3546     }
3547
3548     return TRUE;
3549 }
3550
3551 void client_set_wm_state(ObClient *self, glong state)
3552 {
3553     if (state == self->wmstate) return; /* no change */
3554
3555     switch (state) {
3556     case IconicState:
3557         client_iconify(self, TRUE, TRUE, FALSE);
3558         break;
3559     case NormalState:
3560         client_iconify(self, FALSE, TRUE, FALSE);
3561         break;
3562     }
3563 }
3564
3565 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3566 {
3567     gboolean shaded = self->shaded;
3568     gboolean fullscreen = self->fullscreen;
3569     gboolean undecorated = self->undecorated;
3570     gboolean max_horz = self->max_horz;
3571     gboolean max_vert = self->max_vert;
3572     gboolean modal = self->modal;
3573     gboolean iconic = self->iconic;
3574     gboolean demands_attention = self->demands_attention;
3575     gboolean above = self->above;
3576     gboolean below = self->below;
3577     gint i;
3578     gboolean value;
3579
3580     if (!(action == OBT_PROP_ATOM(NET_WM_STATE_ADD) ||
3581           action == OBT_PROP_ATOM(NET_WM_STATE_REMOVE) ||
3582           action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)))
3583         /* an invalid action was passed to the client message, ignore it */
3584         return;
3585
3586     for (i = 0; i < 2; ++i) {
3587         Atom state = i == 0 ? data1 : data2;
3588
3589         if (!state) continue;
3590
3591         /* if toggling, then pick whether we're adding or removing */
3592         if (action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)) {
3593             if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
3594                 value = modal;
3595             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
3596                 value = self->max_vert;
3597             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
3598                 value = self->max_horz;
3599             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
3600                 value = shaded;
3601             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
3602                 value = self->skip_taskbar;
3603             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
3604                 value = self->skip_pager;
3605             else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
3606                 value = self->iconic;
3607             else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
3608                 value = fullscreen;
3609             else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
3610                 value = self->above;
3611             else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
3612                 value = self->below;
3613             else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
3614                 value = self->demands_attention;
3615             else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
3616                 value = undecorated;
3617             action = value ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3618                              OBT_PROP_ATOM(NET_WM_STATE_ADD);
3619         }
3620
3621         value = action == OBT_PROP_ATOM(NET_WM_STATE_ADD);
3622         if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL)) {
3623             modal = value;
3624         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT)) {
3625             max_vert = value;
3626         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ)) {
3627             max_horz = value;
3628         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED)) {
3629             shaded = value;
3630         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR)) {
3631             self->skip_taskbar = value;
3632         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER)) {
3633             self->skip_pager = value;
3634         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN)) {
3635             iconic = value;
3636         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN)) {
3637             fullscreen = value;
3638         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE)) {
3639             above = value;
3640             /* only unset below when setting above, otherwise you can't get to
3641                the normal layer */
3642             if (value)
3643                 below = FALSE;
3644         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW)) {
3645             /* and vice versa */
3646             if (value)
3647                 above = FALSE;
3648             below = value;
3649         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION)){
3650             demands_attention = value;
3651         } else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED)) {
3652             undecorated = value;
3653         }
3654     }
3655
3656     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3657         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3658             /* toggling both */
3659             if (max_horz == max_vert) { /* both going the same way */
3660                 client_maximize(self, max_horz, 0);
3661             } else {
3662                 client_maximize(self, max_horz, 1);
3663                 client_maximize(self, max_vert, 2);
3664             }
3665         } else {
3666             /* toggling one */
3667             if (max_horz != self->max_horz)
3668                 client_maximize(self, max_horz, 1);
3669             else
3670                 client_maximize(self, max_vert, 2);
3671         }
3672     }
3673     /* change fullscreen state before shading, as it will affect if the window
3674        can shade or not */
3675     if (fullscreen != self->fullscreen)
3676         client_fullscreen(self, fullscreen);
3677     if (shaded != self->shaded)
3678         client_shade(self, shaded);
3679     if (undecorated != self->undecorated)
3680         client_set_undecorated(self, undecorated);
3681     if (above != self->above || below != self->below) {
3682         self->above = above;
3683         self->below = below;
3684         client_calc_layer(self);
3685     }
3686
3687     if (modal != self->modal) {
3688         self->modal = modal;
3689         /* when a window changes modality, then its stacking order with its
3690            transients needs to change */
3691         stacking_raise(CLIENT_AS_WINDOW(self));
3692
3693         /* it also may get focused. if something is focused that shouldn't
3694            be focused anymore, then move the focus */
3695         if (focus_client && client_focus_target(focus_client) != focus_client)
3696             client_focus(focus_client);
3697     }
3698
3699     if (iconic != self->iconic)
3700         client_iconify(self, iconic, FALSE, FALSE);
3701
3702     if (demands_attention != self->demands_attention)
3703         client_hilite(self, demands_attention);
3704
3705     client_change_state(self); /* change the hint to reflect these changes */
3706 }
3707
3708 ObClient *client_focus_target(ObClient *self)
3709 {
3710     ObClient *child = NULL;
3711
3712     child = client_search_modal_child(self);
3713     if (child) return child;
3714     return self;
3715 }
3716
3717 gboolean client_can_focus(ObClient *self)
3718 {
3719     /* choose the correct target */
3720     self = client_focus_target(self);
3721
3722     if (!self->frame->visible)
3723         return FALSE;
3724
3725     if (!(self->can_focus || self->focus_notify))
3726         return FALSE;
3727
3728     return TRUE;
3729 }
3730
3731 gboolean client_focus(ObClient *self)
3732 {
3733     /* we might not focus this window, so if we have modal children which would
3734        be focused instead, bring them to this desktop */
3735     client_bring_modal_windows(self);
3736
3737     /* choose the correct target */
3738     self = client_focus_target(self);
3739
3740     if (!client_can_focus(self)) {
3741         ob_debug_type(OB_DEBUG_FOCUS,
3742                       "Client %s can't be focused", self->title);
3743         return FALSE;
3744     }
3745
3746     ob_debug_type(OB_DEBUG_FOCUS,
3747                   "Focusing client \"%s\" (0x%x) at time %u",
3748                   self->title, self->window, event_curtime);
3749
3750     /* if using focus_delay, stop the timer now so that focus doesn't
3751        go moving on us */
3752     event_halt_focus_delay();
3753
3754     event_cancel_all_key_grabs();
3755
3756     obt_display_ignore_errors(TRUE);
3757
3758     if (self->can_focus) {
3759         /* This can cause a BadMatch error with CurrentTime, or if an app
3760            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3761         XSetInputFocus(obt_display, self->window, RevertToPointerRoot,
3762                        event_curtime);
3763     }
3764
3765     if (self->focus_notify) {
3766         XEvent ce;
3767         ce.xclient.type = ClientMessage;
3768         ce.xclient.message_type = OBT_PROP_ATOM(WM_PROTOCOLS);
3769         ce.xclient.display = obt_display;
3770         ce.xclient.window = self->window;
3771         ce.xclient.format = 32;
3772         ce.xclient.data.l[0] = OBT_PROP_ATOM(WM_TAKE_FOCUS);
3773         ce.xclient.data.l[1] = event_curtime;
3774         ce.xclient.data.l[2] = 0l;
3775         ce.xclient.data.l[3] = 0l;
3776         ce.xclient.data.l[4] = 0l;
3777         XSendEvent(obt_display, self->window, FALSE, NoEventMask, &ce);
3778     }
3779
3780     obt_display_ignore_errors(FALSE);
3781
3782     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d",
3783                   obt_display_error_occured);
3784     return !obt_display_error_occured;
3785 }
3786
3787 static void client_present(ObClient *self, gboolean here, gboolean raise,
3788                            gboolean unshade)
3789 {
3790     if (client_normal(self) && screen_showing_desktop)
3791         screen_show_desktop(FALSE, self);
3792     if (self->iconic)
3793         client_iconify(self, FALSE, here, FALSE);
3794     if (self->desktop != DESKTOP_ALL &&
3795         self->desktop != screen_desktop)
3796     {
3797         if (here)
3798             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3799         else
3800             screen_set_desktop(self->desktop, FALSE);
3801     } else if (!self->frame->visible)
3802         /* if its not visible for other reasons, then don't mess
3803            with it */
3804         return;
3805     if (self->shaded && unshade)
3806         client_shade(self, FALSE);
3807     if (raise)
3808         stacking_raise(CLIENT_AS_WINDOW(self));
3809
3810     client_focus(self);
3811 }
3812
3813 /* this function exists to map to the client_activate message in the ewmh,
3814    the user arg is unused because nobody uses it correctly anyway. */
3815 void client_activate(ObClient *self, gboolean here, gboolean raise,
3816                      gboolean unshade, gboolean user)
3817 {
3818     client_present(self, here, raise, unshade);
3819 }
3820
3821 static void client_bring_windows_recursive(ObClient *self,
3822                                            guint desktop,
3823                                            gboolean helpers,
3824                                            gboolean modals,
3825                                            gboolean iconic)
3826 {
3827     GSList *it;
3828
3829     for (it = self->transients; it; it = g_slist_next(it))
3830         client_bring_windows_recursive(it->data, desktop,
3831                                        helpers, modals, iconic);
3832
3833     if (((helpers && client_helper(self)) ||
3834          (modals && self->modal)) &&
3835         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3836          (iconic && self->iconic)))
3837     {
3838         if (iconic && self->iconic)
3839             client_iconify(self, FALSE, TRUE, FALSE);
3840         else
3841             client_set_desktop(self, desktop, FALSE, FALSE);
3842     }
3843 }
3844
3845 void client_bring_helper_windows(ObClient *self)
3846 {
3847     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3848 }
3849
3850 void client_bring_modal_windows(ObClient *self)
3851 {
3852     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3853 }
3854
3855 gboolean client_focused(ObClient *self)
3856 {
3857     return self == focus_client;
3858 }
3859
3860 RrImage* client_icon(ObClient *self)
3861 {
3862     RrImage *ret = NULL;
3863
3864     if (self->icon_set)
3865         ret = self->icon_set;
3866     else if (self->parents) {
3867         GSList *it;
3868         for (it = self->parents; it && !ret; it = g_slist_next(it))
3869             ret = client_icon(it->data);
3870     }
3871     if (!ret)
3872         ret = client_default_icon;
3873     return ret;
3874 }
3875
3876 void client_set_layer(ObClient *self, gint layer)
3877 {
3878     if (layer < 0) {
3879         self->below = TRUE;
3880         self->above = FALSE;
3881     } else if (layer == 0) {
3882         self->below = self->above = FALSE;
3883     } else {
3884         self->below = FALSE;
3885         self->above = TRUE;
3886     }
3887     client_calc_layer(self);
3888     client_change_state(self); /* reflect this in the state hints */
3889 }
3890
3891 void client_set_undecorated(ObClient *self, gboolean undecorated)
3892 {
3893     if (self->undecorated != undecorated &&
3894         /* don't let it undecorate if the function is missing, but let
3895            it redecorate */
3896         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3897     {
3898         self->undecorated = undecorated;
3899         client_setup_decor_and_functions(self, TRUE);
3900         client_change_state(self); /* reflect this in the state hints */
3901
3902         hooks_queue((undecorated ?
3903                      OB_HOOK_WIN_UNDECORATED : OB_HOOK_WIN_DECORATED), self);
3904     }
3905 }
3906
3907 guint client_monitor(ObClient *self)
3908 {
3909     return screen_find_monitor(&self->frame->area);
3910 }
3911
3912 ObClient *client_direct_parent(ObClient *self)
3913 {
3914     if (!self->parents) return NULL;
3915     if (self->transient_for_group) return NULL;
3916     return self->parents->data;
3917 }
3918
3919 ObClient *client_search_top_direct_parent(ObClient *self)
3920 {
3921     ObClient *p;
3922     while ((p = client_direct_parent(self))) self = p;
3923     return self;
3924 }
3925
3926 static GSList *client_search_all_top_parents_internal(ObClient *self,
3927                                                       gboolean bylayer,
3928                                                       ObStackingLayer layer)
3929 {
3930     GSList *ret;
3931     ObClient *p;
3932
3933     /* move up the direct transient chain as far as possible */
3934     while ((p = client_direct_parent(self)) &&
3935            (!bylayer || p->layer == layer))
3936         self = p;
3937
3938     if (!self->parents)
3939         ret = g_slist_prepend(NULL, self);
3940     else
3941         ret = g_slist_copy(self->parents);
3942
3943     return ret;
3944 }
3945
3946 GSList *client_search_all_top_parents(ObClient *self)
3947 {
3948     return client_search_all_top_parents_internal(self, FALSE, 0);
3949 }
3950
3951 GSList *client_search_all_top_parents_layer(ObClient *self)
3952 {
3953     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3954 }
3955
3956 ObClient *client_search_focus_parent(ObClient *self)
3957 {
3958     GSList *it;
3959
3960     for (it = self->parents; it; it = g_slist_next(it))
3961         if (client_focused(it->data)) return it->data;
3962
3963     return NULL;
3964 }
3965
3966 ObClient *client_search_focus_parent_full(ObClient *self)
3967 {
3968     GSList *it;
3969     ObClient *ret = NULL;
3970
3971     for (it = self->parents; it; it = g_slist_next(it)) {
3972         if (client_focused(it->data))
3973             ret = it->data;
3974         else
3975             ret = client_search_focus_parent_full(it->data);
3976         if (ret) break;
3977     }
3978     return ret;
3979 }
3980
3981 ObClient *client_search_parent(ObClient *self, ObClient *search)
3982 {
3983     GSList *it;
3984
3985     for (it = self->parents; it; it = g_slist_next(it))
3986         if (it->data == search) return search;
3987
3988     return NULL;
3989 }
3990
3991 ObClient *client_search_transient(ObClient *self, ObClient *search)
3992 {
3993     GSList *sit;
3994
3995     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3996         if (sit->data == search)
3997             return search;
3998         if (client_search_transient(sit->data, search))
3999             return search;
4000     }
4001     return NULL;
4002 }
4003
4004 static void detect_edge(Rect area, ObDirection dir,
4005                         gint my_head, gint my_size,
4006                         gint my_edge_start, gint my_edge_size,
4007                         gint *dest, gboolean *near_edge)
4008 {
4009     gint edge_start, edge_size, head, tail;
4010     gboolean skip_head = FALSE, skip_tail = FALSE;
4011
4012     switch (dir) {
4013         case OB_DIRECTION_NORTH:
4014         case OB_DIRECTION_SOUTH:
4015             edge_start = area.x;
4016             edge_size = area.width;
4017             break;
4018         case OB_DIRECTION_EAST:
4019         case OB_DIRECTION_WEST:
4020             edge_start = area.y;
4021             edge_size = area.height;
4022             break;
4023         default:
4024             g_assert_not_reached();
4025     }
4026
4027     /* do we collide with this window? */
4028     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
4029                 edge_start, edge_size))
4030         return;
4031
4032     switch (dir) {
4033         case OB_DIRECTION_NORTH:
4034             head = RECT_BOTTOM(area);
4035             tail = RECT_TOP(area);
4036             break;
4037         case OB_DIRECTION_SOUTH:
4038             head = RECT_TOP(area);
4039             tail = RECT_BOTTOM(area);
4040             break;
4041         case OB_DIRECTION_WEST:
4042             head = RECT_RIGHT(area);
4043             tail = RECT_LEFT(area);
4044             break;
4045         case OB_DIRECTION_EAST:
4046             head = RECT_LEFT(area);
4047             tail = RECT_RIGHT(area);
4048             break;
4049         default:
4050             g_assert_not_reached();
4051     }
4052     switch (dir) {
4053         case OB_DIRECTION_NORTH:
4054         case OB_DIRECTION_WEST:
4055             /* check if our window is past the head of this window */
4056             if (my_head <= head + 1)
4057                 skip_head = TRUE;
4058             /* check if our window's tail is past the tail of this window */
4059             if (my_head + my_size - 1 <= tail)
4060                 skip_tail = TRUE;
4061             /* check if the head of this window is closer than the previously
4062                chosen edge (take into account that the previously chosen
4063                edge might have been a tail, not a head) */
4064             if (head + (*near_edge ? 0 : my_size) <= *dest)
4065                 skip_head = TRUE;
4066             /* check if the tail of this window is closer than the previously
4067                chosen edge (take into account that the previously chosen
4068                edge might have been a head, not a tail) */
4069             if (tail - (!*near_edge ? 0 : my_size) <= *dest)
4070                 skip_tail = TRUE;
4071             break;
4072         case OB_DIRECTION_SOUTH:
4073         case OB_DIRECTION_EAST:
4074             /* check if our window is past the head of this window */
4075             if (my_head >= head - 1)
4076                 skip_head = TRUE;
4077             /* check if our window's tail is past the tail of this window */
4078             if (my_head - my_size + 1 >= tail)
4079                 skip_tail = TRUE;
4080             /* check if the head of this window is closer than the previously
4081                chosen edge (take into account that the previously chosen
4082                edge might have been a tail, not a head) */
4083             if (head - (*near_edge ? 0 : my_size) >= *dest)
4084                 skip_head = TRUE;
4085             /* check if the tail of this window is closer than the previously
4086                chosen edge (take into account that the previously chosen
4087                edge might have been a head, not a tail) */
4088             if (tail + (!*near_edge ? 0 : my_size) >= *dest)
4089                 skip_tail = TRUE;
4090             break;
4091         default:
4092             g_assert_not_reached();
4093     }
4094
4095     ob_debug("my head %d size %d", my_head, my_size);
4096     ob_debug("head %d tail %d dest %d", head, tail, *dest);
4097     if (!skip_head) {
4098         ob_debug("using near edge %d", head);
4099         *dest = head;
4100         *near_edge = TRUE;
4101     }
4102     else if (!skip_tail) {
4103         ob_debug("using far edge %d", tail);
4104         *dest = tail;
4105         *near_edge = FALSE;
4106     }
4107 }
4108
4109 void client_find_edge_directional(ObClient *self, ObDirection dir,
4110                                   gint my_head, gint my_size,
4111                                   gint my_edge_start, gint my_edge_size,
4112                                   gint *dest, gboolean *near_edge)
4113 {
4114     GList *it;
4115     Rect *a, *mon;
4116     Rect dock_area;
4117     gint edge;
4118
4119     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
4120                     &self->frame->area);
4121     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
4122                       &self->frame->area);
4123
4124     switch (dir) {
4125     case OB_DIRECTION_NORTH:
4126         if (my_head >= RECT_TOP(*mon) + 1)
4127             edge = RECT_TOP(*mon) - 1;
4128         else
4129             edge = RECT_TOP(*a) - 1;
4130         break;
4131     case OB_DIRECTION_SOUTH:
4132         if (my_head <= RECT_BOTTOM(*mon) - 1)
4133             edge = RECT_BOTTOM(*mon) + 1;
4134         else
4135             edge = RECT_BOTTOM(*a) + 1;
4136         break;
4137     case OB_DIRECTION_EAST:
4138         if (my_head <= RECT_RIGHT(*mon) - 1)
4139             edge = RECT_RIGHT(*mon) + 1;
4140         else
4141             edge = RECT_RIGHT(*a) + 1;
4142         break;
4143     case OB_DIRECTION_WEST:
4144         if (my_head >= RECT_LEFT(*mon) + 1)
4145             edge = RECT_LEFT(*mon) - 1;
4146         else
4147             edge = RECT_LEFT(*a) - 1;
4148         break;
4149     default:
4150         g_assert_not_reached();
4151     }
4152     /* default to the far edge, then narrow it down */
4153     *dest = edge;
4154     *near_edge = TRUE;
4155
4156     for (it = client_list; it; it = g_list_next(it)) {
4157         ObClient *cur = it->data;
4158
4159         /* skip windows to not bump into */
4160         if (cur == self)
4161             continue;
4162         if (cur->iconic)
4163             continue;
4164         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4165             cur->desktop != screen_desktop)
4166             continue;
4167
4168         ob_debug("trying window %s", cur->title);
4169
4170         detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
4171                     my_edge_size, dest, near_edge);
4172     }
4173     dock_get_area(&dock_area);
4174     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4175                 my_edge_size, dest, near_edge);
4176     g_free(a);
4177     g_free(mon);
4178 }
4179
4180 void client_find_move_directional(ObClient *self, ObDirection dir,
4181                                   gint *x, gint *y)
4182 {
4183     gint head, size;
4184     gint e, e_start, e_size;
4185     gboolean near;
4186
4187     switch (dir) {
4188     case OB_DIRECTION_EAST:
4189         head = RECT_RIGHT(self->frame->area);
4190         size = self->frame->area.width;
4191         e_start = RECT_TOP(self->frame->area);
4192         e_size = self->frame->area.height;
4193         break;
4194     case OB_DIRECTION_WEST:
4195         head = RECT_LEFT(self->frame->area);
4196         size = self->frame->area.width;
4197         e_start = RECT_TOP(self->frame->area);
4198         e_size = self->frame->area.height;
4199         break;
4200     case OB_DIRECTION_NORTH:
4201         head = RECT_TOP(self->frame->area);
4202         size = self->frame->area.height;
4203         e_start = RECT_LEFT(self->frame->area);
4204         e_size = self->frame->area.width;
4205         break;
4206     case OB_DIRECTION_SOUTH:
4207         head = RECT_BOTTOM(self->frame->area);
4208         size = self->frame->area.height;
4209         e_start = RECT_LEFT(self->frame->area);
4210         e_size = self->frame->area.width;
4211         break;
4212     default:
4213         g_assert_not_reached();
4214     }
4215
4216     client_find_edge_directional(self, dir, head, size,
4217                                  e_start, e_size, &e, &near);
4218     *x = self->frame->area.x;
4219     *y = self->frame->area.y;
4220     switch (dir) {
4221     case OB_DIRECTION_EAST:
4222         if (near) e -= self->frame->area.width;
4223         else      e++;
4224         *x = e;
4225         break;
4226     case OB_DIRECTION_WEST:
4227         if (near) e++;
4228         else      e -= self->frame->area.width;
4229         *x = e;
4230         break;
4231     case OB_DIRECTION_NORTH:
4232         if (near) e++;
4233         else      e -= self->frame->area.height;
4234         *y = e;
4235         break;
4236     case OB_DIRECTION_SOUTH:
4237         if (near) e -= self->frame->area.height;
4238         else      e++;
4239         *y = e;
4240         break;
4241     default:
4242         g_assert_not_reached();
4243     }
4244     frame_frame_gravity(self->frame, x, y);
4245 }
4246
4247 void client_find_resize_directional(ObClient *self, ObDirection side,
4248                                     gboolean grow,
4249                                     gint *x, gint *y, gint *w, gint *h)
4250 {
4251     gint head;
4252     gint e, e_start, e_size, delta;
4253     gboolean near;
4254     ObDirection dir;
4255
4256     switch (side) {
4257     case OB_DIRECTION_EAST:
4258         head = RECT_RIGHT(self->frame->area) +
4259             (self->size_inc.width - 1) * (grow ? 1 : 0);
4260         e_start = RECT_TOP(self->frame->area);
4261         e_size = self->frame->area.height;
4262         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4263         break;
4264     case OB_DIRECTION_WEST:
4265         head = RECT_LEFT(self->frame->area) -
4266             (self->size_inc.width - 1) * (grow ? 1 : 0);
4267         e_start = RECT_TOP(self->frame->area);
4268         e_size = self->frame->area.height;
4269         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4270         break;
4271     case OB_DIRECTION_NORTH:
4272         head = RECT_TOP(self->frame->area) -
4273             (self->size_inc.height - 1) * (grow ? 1 : 0);
4274         e_start = RECT_LEFT(self->frame->area);
4275         e_size = self->frame->area.width;
4276         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4277         break;
4278     case OB_DIRECTION_SOUTH:
4279         head = RECT_BOTTOM(self->frame->area) +
4280             (self->size_inc.height - 1) * (grow ? 1 : 0);
4281         e_start = RECT_LEFT(self->frame->area);
4282         e_size = self->frame->area.width;
4283         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4284         break;
4285     default:
4286         g_assert_not_reached();
4287     }
4288
4289     ob_debug("head %d dir %d", head, dir);
4290     client_find_edge_directional(self, dir, head, 1,
4291                                  e_start, e_size, &e, &near);
4292     ob_debug("edge %d", e);
4293     *x = self->frame->area.x;
4294     *y = self->frame->area.y;
4295     *w = self->frame->area.width;
4296     *h = self->frame->area.height;
4297     switch (side) {
4298     case OB_DIRECTION_EAST:
4299         if (grow == near) --e;
4300         delta = e - RECT_RIGHT(self->frame->area);
4301         *w += delta;
4302         break;
4303     case OB_DIRECTION_WEST:
4304         if (grow == near) ++e;
4305         delta = RECT_LEFT(self->frame->area) - e;
4306         *x -= delta;
4307         *w += delta;
4308         break;
4309     case OB_DIRECTION_NORTH:
4310         if (grow == near) ++e;
4311         delta = RECT_TOP(self->frame->area) - e;
4312         *y -= delta;
4313         *h += delta;
4314         break;
4315     case OB_DIRECTION_SOUTH:
4316         if (grow == near) --e;
4317         delta = e - RECT_BOTTOM(self->frame->area);
4318         *h += delta;
4319         break;
4320     default:
4321         g_assert_not_reached();
4322     }
4323     frame_frame_gravity(self->frame, x, y);
4324     *w -= self->frame->size.left + self->frame->size.right;
4325     *h -= self->frame->size.top + self->frame->size.bottom;
4326 }
4327
4328 ObClient* client_under_pointer(void)
4329 {
4330     gint x, y;
4331     GList *it;
4332     ObClient *ret = NULL;
4333
4334     if (screen_pointer_pos(&x, &y)) {
4335         for (it = stacking_list; it; it = g_list_next(it)) {
4336             if (WINDOW_IS_CLIENT(it->data)) {
4337                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4338                 if (c->frame->visible &&
4339                     /* check the desktop, this is done during desktop
4340                        switching and windows are shown/hidden status is not
4341                        reliable */
4342                     (c->desktop == screen_desktop ||
4343                      c->desktop == DESKTOP_ALL) &&
4344                     /* ignore all animating windows */
4345                     !frame_iconify_animating(c->frame) &&
4346                     RECT_CONTAINS(c->frame->area, x, y))
4347                 {
4348                     ret = c;
4349                     break;
4350                 }
4351             }
4352         }
4353     }
4354     return ret;
4355 }
4356
4357 gboolean client_has_group_siblings(ObClient *self)
4358 {
4359     return self->group && self->group->members->next;
4360 }
4361
4362 /*! Returns TRUE if the client is running on the same machine as Openbox */
4363 gboolean client_on_localhost(ObClient *self)
4364 {
4365     return self->client_machine == NULL;
4366 }