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
 236     /* now we have all of the window's information so we can set this up.
 237        do this before creating the frame, so it can tell that we are still
 238        mapping and doesn't go applying things right away */
 239     client_setup_decor_and_functions(self, FALSE);
 240
 241     /* specify that if we exit, the window should not be destroyed and
 242        should be reparented back to root automatically, unless we are managing
 243        an internal ObPrompt window  */
 244     if (!self->prompt)
 245         XChangeSaveSet(obt_display, window, SetModeInsert);
 246
 247     /* create the decoration frame for the client window */
 248     self->frame = frame_new(self);
 249
 250     frame_grab_client(self->frame);
 251
 252     /* we've grabbed everything and set everything that we need to at mapping
 253        time now */
 254     grab_server(FALSE);
 255
 256     /* per-app settings override stuff from client_get_all, and return the
 257        settings for other uses too. the returned settings is a shallow copy,
 258        that needs to be freed with g_free(). */
 259     settings = client_get_settings_state(self);
 260     /* the session should get the last say though */
 261     client_restore_session_state(self);
 262
 263     /* tell startup notification that this app started */
 264     launch_time = sn_app_started(self->startup_id, self->class, self->name);
 265
 266     /* do this after we have a frame.. it uses the frame to help determine the
 267        WM_STATE to apply. */
 268     client_change_state(self);
 269
 270     /* add ourselves to the focus order */
 271     focus_order_add_new(self);
 272
 273     /* do this to add ourselves to the stacking list in a non-intrusive way */
 274     client_calc_layer(self);
 275
 276     /* focus the new window? */
 277     if (ob_state() != OB_STATE_STARTING &&
 278         (!self->session || self->session->focused) &&
 279         /* this means focus=true for window is same as config_focus_new=true */
 280         ((config_focus_new || (settings && settings->focus == 1)) ||
 281          client_search_focus_tree_full(self)) &&
 282         /* this checks for focus=false for the window */
 283         (!settings || settings->focus != 0) &&
 284         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
 285     {
 286         activate = TRUE;
 287     }
 288
 289     /* remove the client's border */
 290     XSetWindowBorderWidth(obt_display, self->window, 0);
 291
 292     /* adjust the frame to the client's size before showing or placing
 293        the window */
 294     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 295     frame_adjust_client_area(self->frame);
 296
 297     /* where the frame was placed is where the window was originally */
 298     place = self->area;
 299     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
 300
 301     /* figure out placement for the window if the window is new */
 302     if (ob_state() == OB_STATE_RUNNING) {
 303         ob_debug("Positioned: %s @ %d %d",
 304                  (!self->positioned ? "no" :
 305                   (self->positioned == PPosition ? "program specified" :
 306                    (self->positioned == USPosition ? "user specified" :
 307                     (self->positioned == (PPosition | USPosition) ?
 308                      "program + user specified" :
 309                      "BADNESS !?")))), place.x, place.y);
 310
 311         ob_debug("Sized: %s @ %d %d",
 312                  (!self->sized ? "no" :
 313                   (self->sized == PSize ? "program specified" :
 314                    (self->sized == USSize ? "user specified" :
 315                     (self->sized == (PSize | USSize) ?
 316                      "program + user specified" :
 317                      "BADNESS !?")))), place.width, place.height);
 318
 319         /* splash screens are also returned as TRUE for transient,
 320            and so will be forced on screen below */
 321         transient = place_client(self, &place.x, &place.y, settings);
 322
 323         /* make sure the window is visible. */
 324         client_find_onscreen(self, &place.x, &place.y,
 325                              place.width, place.height,
 326                              /* non-normal clients has less rules, and
 327                                 windows that are being restored from a
 328                                 session do also. we can assume you want
 329                                 it back where you saved it. Clients saying
 330                                 they placed themselves are subjected to
 331                                 harder rules, ones that are placed by
 332                                 place.c or by the user are allowed partially
 333                                 off-screen and on xinerama divides (ie,
 334                                 it is up to the placement routines to avoid
 335                                 the xinerama divides)
 336
 337                                 splash screens get "transient" set to TRUE by
 338                                 the place_client call
 339                              */
 340                              ob_state() == OB_STATE_RUNNING &&
 341                              (transient ||
 342                               (!((self->positioned & USPosition) ||
 343                                  (settings && settings->pos_given)) &&
 344                                client_normal(self) &&
 345                                !self->session &&
 346                                /* don't move oldschool fullscreen windows to
 347                                   fit inside the struts (fixes Acroread, which
 348                                   makes its fullscreen window fit the screen
 349                                   but it is not USSize'd or USPosition'd) */
 350                                !(self->decorations == 0 &&
 351                                  RECT_EQUAL(place, *monitor)))));
 352     }
 353
 354     /* if the window isn't user-sized, then make it fit inside
 355        the visible screen area on its monitor. Use basically the same rules
 356        for forcing the window on screen in the client_find_onscreen call.
 357
 358        do this after place_client, it chooses the monitor!
 359
 360        splash screens get "transient" set to TRUE by
 361        the place_client call
 362     */
 363     if (ob_state() == OB_STATE_RUNNING &&
 364         (transient ||
 365          (!(self->sized & USSize || self->positioned & USPosition) &&
 366           client_normal(self) &&
 367           !self->session &&
 368           /* don't shrink oldschool fullscreen windows to fit inside the
 369              struts (fixes Acroread, which makes its fullscreen window
 370              fit the screen but it is not USSize'd or USPosition'd) */
 371           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
 372     {
 373         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
 374
 375         /* get the size of the frame */
 376         place.width += self->frame->size.left + self->frame->size.right;
 377         place.height += self->frame->size.top + self->frame->size.bottom;
 378
 379         /* fit the window inside the area */
 380         place.width = MIN(place.width, a->width);
 381         place.height = MIN(place.height, a->height);
 382
 383         ob_debug("setting window size to %dx%d", place.width, place.height);
 384
 385         /* get the size of the client back */
 386         place.width -= self->frame->size.left + self->frame->size.right;
 387         place.height -= self->frame->size.top + self->frame->size.bottom;
 388
 389         g_free(a);
 390     }
 391
 392     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 393              "some restrictions may apply",
 394              self->window, place.x, place.y, place.width, place.height);
 395     if (self->session)
 396         ob_debug("  but session requested %d, %d  %d x %d instead, "
 397                  "overriding",
 398                  self->session->x, self->session->y,
 399                  self->session->w, self->session->h);
 400
 401     /* do this after the window is placed, so the premax/prefullscreen numbers
 402        won't be all wacko!!
 403
 404        this also places the window
 405     */
 406     client_apply_startup_state(self, place.x, place.y,
 407                                place.width, place.height);
 408
 409     g_free(monitor);
 410     monitor = NULL;
 411
 412     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s",
 413                   activate ? "yes" : "no");
 414     if (activate) {
 415         gboolean raise = FALSE;
 416         gboolean relative_focused;
 417         gboolean parent_focused;
 418
 419         parent_focused = (focus_client != NULL &&
 420                           client_search_focus_parent(self));
 421         relative_focused = (focus_client != NULL &&
 422                             (client_search_focus_tree_full(self) != NULL ||
 423                              client_search_focus_group_full(self) != NULL));
 424
 425         /* This is focus stealing prevention */
 426         ob_debug_type(OB_DEBUG_FOCUS,
 427                       "Want to focus new window 0x%x at time %u "
 428                       "launched at %u (last user interaction time %u)",
 429                       self->window, map_time, launch_time,
 430                       event_last_user_time);
 431         ob_debug_type(OB_DEBUG_FOCUS,
 432                       "Current focus_client: %s",
 433                       (focus_client ? focus_client->title : "(none)"));
 434         ob_debug_type(OB_DEBUG_FOCUS,
 435                       "parent focuesed: %d  relative focused: %d",
 436                       parent_focused, relative_focused);
 437
 438         if (menu_frame_visible || moveresize_in_progress) {
 439             activate = FALSE;
 440             raise = TRUE;
 441             ob_debug_type(OB_DEBUG_FOCUS,
 442                           "Not focusing the window because the user is inside "
 443                           "an Openbox menu or is move/resizing a window and "
 444                           "we don't want to interrupt them");
 445         }
 446
 447         /* if it's on another desktop */
 448         else if (!(self->desktop == screen_desktop ||
 449                    self->desktop == DESKTOP_ALL) &&
 450                  /* the timestamp is from before you changed desktops */
 451                  launch_time && screen_desktop_user_time &&
 452                  !event_time_after(launch_time, screen_desktop_user_time))
 453         {
 454             activate = FALSE;
 455             raise = TRUE;
 456             ob_debug_type(OB_DEBUG_FOCUS,
 457                           "Not focusing the window because its on another "
 458                           "desktop");
 459         }
 460         /* If something is focused... */
 461         else if (focus_client) {
 462             /* If the user is working in another window right now, then don't
 463                steal focus */
 464             if (!parent_focused &&
 465                 event_last_user_time && launch_time &&
 466                 event_time_after(event_last_user_time, launch_time) &&
 467                 event_last_user_time != launch_time &&
 468                 event_time_after(event_last_user_time,
 469                                  map_time - OB_EVENT_USER_TIME_DELAY))
 470             {
 471                 activate = FALSE;
 472                 ob_debug_type(OB_DEBUG_FOCUS,
 473                               "Not focusing the window because the user is "
 474                               "working in another window that is not "
 475                               "its parent");
 476             }
 477             /* If the new window is a transient (and its relatives aren't
 478                focused) */
 479             else if (client_has_parent(self) && !relative_focused) {
 480                 activate = FALSE;
 481                 ob_debug_type(OB_DEBUG_FOCUS,
 482                               "Not focusing the window because it is a "
 483                               "transient, and its relatives aren't focused");
 484             }
 485             /* Don't steal focus from globally active clients.
 486                I stole this idea from KWin. It seems nice.
 487              */
 488             else if (!(focus_client->can_focus ||
 489                        focus_client->focus_notify))
 490             {
 491                 activate = FALSE;
 492                 ob_debug_type(OB_DEBUG_FOCUS,
 493                               "Not focusing the window because a globally "
 494                               "active client has focus");
 495             }
 496             /* Don't move focus if it's not going to go to this window
 497                anyway */
 498             else if (client_focus_target(self) != self) {
 499                 activate = FALSE;
 500                 raise = TRUE;
 501                 ob_debug_type(OB_DEBUG_FOCUS,
 502                               "Not focusing the window because another window "
 503                               "would get the focus anyway");
 504             }
 505             /* Don't move focus if the window is not visible on the current
 506                desktop and none of its relatives are focused */
 507             else if (!(self->desktop == screen_desktop ||
 508                        self->desktop == DESKTOP_ALL) &&
 509                      !relative_focused)
 510             {
 511                 activate = FALSE;
 512                 raise = TRUE;
 513                 ob_debug_type(OB_DEBUG_FOCUS,
 514                               "Not focusing the window because it is on "
 515                               "another desktop and no relatives are focused ");
 516             }
 517         }
 518
 519         if (!activate) {
 520             ob_debug_type(OB_DEBUG_FOCUS,
 521                           "Focus stealing prevention activated for %s at "
 522                           "time %u (last user interaction time %u)",
 523                           self->title, map_time, event_last_user_time);
 524             /* if the client isn't focused, then hilite it so the user
 525                knows it is there */
 526             client_hilite(self, TRUE);
 527             /* we may want to raise it even tho we're not activating it */
 528             if (raise && !client_restore_session_stacking(self))
 529                 stacking_raise(CLIENT_AS_WINDOW(self));
 530         }
 531     }
 532     else {
 533         /* This may look rather odd. Well it's because new windows are added
 534            to the stacking order non-intrusively. If we're not going to focus
 535            the new window or hilite it, then we raise it to the top. This will
 536            take affect for things that don't get focused like splash screens.
 537            Also if you don't have focus_new enabled, then it's going to get
 538            raised to the top. Legacy begets legacy I guess?
 539         */
 540         if (!client_restore_session_stacking(self))
 541             stacking_raise(CLIENT_AS_WINDOW(self));
 542     }
 543
 544     mouse_grab_for_client(self, TRUE);
 545
 546     /* this has to happen before we try focus the window, but we want it to
 547        happen after the client's stacking has been determined or it looks bad
 548     */
 549     {
 550         gulong ignore_start;
 551         if (!config_focus_under_mouse)
 552             ignore_start = event_start_ignore_all_enters();
 553
 554         client_show(self);
 555
 556         if (!config_focus_under_mouse)
 557             event_end_ignore_all_enters(ignore_start);
 558     }
 559
 560     if (activate) {
 561         gboolean stacked = client_restore_session_stacking(self);
 562         client_present(self, FALSE, !stacked, TRUE);
 563     }
 564
 565     /* add to client list/map */
 566     client_list = g_list_append(client_list, self);
 567     window_add(&self->window, CLIENT_AS_WINDOW(self));
 568
 569     /* this has to happen after we're in the client_list */
 570     if (STRUT_EXISTS(self->strut))
 571         screen_update_areas();
 572
 573     /* update the list hints */
 574     client_set_list();
 575
 576     /* free the ObAppSettings shallow copy */
 577     g_free(settings);
 578
 579     ob_debug("Managed window 0x%lx plate 0x%x (%s)",
 580              window, self->frame->window, self->class);
 581
 582     hooks_queue(OB_HOOK_WIN_NEW, self);
 583 }
 584
 585 ObClient *client_fake_manage(Window window)
 586 {
 587     ObClient *self;
 588     ObAppSettings *settings;
 589
 590     ob_debug("Pretend-managing window: %lx", window);
 591
 592     /* do this minimal stuff to figure out the client's decorations */
 593
 594     self = g_new0(ObClient, 1);
 595     self->window = window;
 596
 597     client_get_all(self, FALSE);
 598     /* per-app settings override stuff, and return the settings for other
 599        uses too. this returns a shallow copy that needs to be freed */
 600     settings = client_get_settings_state(self);
 601
 602     client_setup_decor_and_functions(self, FALSE);
 603
 604     /* create the decoration frame for the client window and adjust its size */
 605     self->frame = frame_new(self);
 606     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 607
 608     ob_debug("gave extents left %d right %d top %d bottom %d",
 609              self->frame->size.left, self->frame->size.right,
 610              self->frame->size.top, self->frame->size.bottom);
 611
 612     /* free the ObAppSettings shallow copy */
 613     g_free(settings);
 614
 615     return self;
 616 }
 617
 618 void client_unmanage_all(void)
 619 {
 620     while (client_list)
 621         client_unmanage(client_list->data);
 622 }
 623
 624 void client_unmanage(ObClient *self)
 625 {
 626     GSList *it;
 627     gulong ignore_start;
 628
 629     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)",
 630              self->window, self->frame->window,
 631              self->class, self->title ? self->title : "");
 632
 633     g_assert(self != NULL);
 634
 635     /* we dont want events no more. do this before hiding the frame so we
 636        don't generate more events */
 637     XSelectInput(obt_display, self->window, NoEventMask);
 638
 639     /* ignore enter events from the unmap so it doesnt mess with the focus */
 640     if (!config_focus_under_mouse)
 641         ignore_start = event_start_ignore_all_enters();
 642
 643     frame_hide(self->frame);
 644     /* flush to send the hide to the server quickly */
 645     XFlush(obt_display);
 646
 647     if (!config_focus_under_mouse)
 648         event_end_ignore_all_enters(ignore_start);
 649
 650     mouse_grab_for_client(self, FALSE);
 651
 652     /* remove the window from our save set, unless we are managing an internal
 653        ObPrompt window */
 654     if (!self->prompt)
 655         XChangeSaveSet(obt_display, self->window, SetModeDelete);
 656
 657     /* this can't be queued to run later */
 658     hooks_run(OB_HOOK_WIN_CLOSE, self);
 659
 660     /* update the focus lists */
 661     focus_order_remove(self);
 662     if (client_focused(self)) {
 663         /* don't leave an invalid focus_client */
 664         focus_client = NULL;
 665     }
 666
 667     /* if we're prompting to kill the client, close that */
 668     prompt_unref(self->kill_prompt);
 669     self->kill_prompt = NULL;
 670
 671     client_list = g_list_remove(client_list, self);
 672     stacking_remove(self);
 673     window_remove(self->window);
 674
 675     /* once the client is out of the list, update the struts to remove its
 676        influence */
 677     if (STRUT_EXISTS(self->strut))
 678         screen_update_areas();
 679
 680     client_call_notifies(self, client_destroy_notifies);
 681
 682     /* tell our parent(s) that we're gone */
 683     for (it = self->parents; it; it = g_slist_next(it))
 684         ((ObClient*)it->data)->transients =
 685             g_slist_remove(((ObClient*)it->data)->transients,self);
 686
 687     /* tell our transients that we're gone */
 688     for (it = self->transients; it; it = g_slist_next(it)) {
 689         ((ObClient*)it->data)->parents =
 690             g_slist_remove(((ObClient*)it->data)->parents, self);
 691         /* we could be keeping our children in a higher layer */
 692         client_calc_layer(it->data);
 693     }
 694
 695     /* remove from its group */
 696     if (self->group) {
 697         group_remove(self->group, self);
 698         self->group = NULL;
 699     }
 700
 701     /* restore the window's original geometry so it is not lost */
 702     {
 703         Rect a;
 704
 705         a = self->area;
 706
 707         if (self->fullscreen)
 708             a = self->pre_fullscreen_area;
 709         else if (self->max_horz || self->max_vert) {
 710             if (self->max_horz) {
 711                 a.x = self->pre_max_area.x;
 712                 a.width = self->pre_max_area.width;
 713             }
 714             if (self->max_vert) {
 715                 a.y = self->pre_max_area.y;
 716                 a.height = self->pre_max_area.height;
 717             }
 718         }
 719
 720         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 721         /* let it be moved and resized no matter what */
 722         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 723         self->decorations = 0; /* unmanaged windows have no decor */
 724
 725         /* give the client its border back */
 726         XSetWindowBorderWidth(obt_display, self->window, self->border_width);
 727
 728         client_move_resize(self, a.x, a.y, a.width, a.height);
 729     }
 730
 731     /* reparent the window out of the frame, and free the frame */
 732     frame_release_client(self->frame);
 733     frame_free(self->frame);
 734     self->frame = NULL;
 735
 736     if (ob_state() != OB_STATE_EXITING) {
 737         /* these values should not be persisted across a window
 738            unmapping/mapping */
 739         OBT_PROP_ERASE(self->window, NET_WM_DESKTOP);
 740         OBT_PROP_ERASE(self->window, NET_WM_STATE);
 741         OBT_PROP_ERASE(self->window, WM_STATE);
 742     } else {
 743         /* if we're left in an unmapped state, the client wont be mapped.
 744            this is bad, since we will no longer be managing the window on
 745            restart */
 746         XMapWindow(obt_display, self->window);
 747     }
 748
 749     /* these should not be left on the window ever.  other window managers
 750        don't necessarily use them and it will mess them up (like compiz) */
 751     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_NAME);
 752     OBT_PROP_ERASE(self->window, NET_WM_VISIBLE_ICON_NAME);
 753
 754     /* update the list hints */
 755     client_set_list();
 756
 757     ob_debug("Unmanaged window 0x%lx", self->window);
 758
 759     /* free all data allocated in the client struct */
 760     RrImageUnref(self->icon_set);
 761     g_slist_free(self->transients);
 762     g_free(self->startup_id);
 763     g_free(self->wm_command);
 764     g_free(self->title);
 765     g_free(self->icon_title);
 766     g_free(self->original_title);
 767     g_free(self->name);
 768     g_free(self->class);
 769     g_free(self->role);
 770     g_free(self->client_machine);
 771     g_free(self->sm_client_id);
 772     g_free(self);
 773 }
 774
 775 void client_fake_unmanage(ObClient *self)
 776 {
 777     /* this is all that got allocated to get the decorations */
 778
 779     frame_free(self->frame);
 780     g_free(self);
 781 }
 782
 783 /*! Returns a new structure containing the per-app settings for this client.
 784   The returned structure needs to be freed with g_free. */
 785 static ObAppSettings *client_get_settings_state(ObClient *self)
 786 {
 787     ObAppSettings *settings;
 788     GSList *it;
 789
 790     settings = config_create_app_settings();
 791
 792     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 793         ObAppSettings *app = it->data;
 794         gboolean match = TRUE;
 795
 796         g_assert(app->name != NULL || app->class != NULL);
 797
 798         /* we know that either name or class is not NULL so it will have to
 799            match to use the rule */
 800         if (app->name &&
 801             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 802             match = FALSE;
 803         else if (app->class &&
 804                  !g_pattern_match(app->class,
 805                                   strlen(self->class), self->class, NULL))
 806             match = FALSE;
 807         else if (app->role &&
 808                  !g_pattern_match(app->role,
 809                                   strlen(self->role), self->role, NULL))
 810             match = FALSE;
 811         else if ((signed)app->type >= 0 && app->type != self->type)
 812             match = FALSE;
 813
 814         if (match) {
 815             ob_debug("Window matching: %s", app->name);
 816
 817             /* copy the settings to our struct, overriding the existing
 818                settings if they are not defaults */
 819             config_app_settings_copy_non_defaults(app, settings);
 820         }
 821     }
 822
 823     if (settings->shade != -1)
 824         self->shaded = !!settings->shade;
 825     if (settings->decor != -1)
 826         self->undecorated = !settings->decor;
 827     if (settings->iconic != -1)
 828         self->iconic = !!settings->iconic;
 829     if (settings->skip_pager != -1)
 830         self->skip_pager = !!settings->skip_pager;
 831     if (settings->skip_taskbar != -1)
 832         self->skip_taskbar = !!settings->skip_taskbar;
 833
 834     if (settings->max_vert != -1)
 835         self->max_vert = !!settings->max_vert;
 836     if (settings->max_horz != -1)
 837         self->max_horz = !!settings->max_horz;
 838
 839     if (settings->fullscreen != -1)
 840         self->fullscreen = !!settings->fullscreen;
 841
 842     if (settings->desktop) {
 843         if (settings->desktop == DESKTOP_ALL)
 844             self->desktop = settings->desktop;
 845         else if (settings->desktop > 0 &&
 846                  settings->desktop <= screen_num_desktops)
 847             self->desktop = settings->desktop - 1;
 848     }
 849
 850     if (settings->layer == -1) {
 851         self->below = TRUE;
 852         self->above = FALSE;
 853     }
 854     else if (settings->layer == 0) {
 855         self->below = FALSE;
 856         self->above = FALSE;
 857     }
 858     else if (settings->layer == 1) {
 859         self->below = FALSE;
 860         self->above = TRUE;
 861     }
 862     return settings;
 863 }
 864
 865 static void client_restore_session_state(ObClient *self)
 866 {
 867     GList *it;
 868
 869     ob_debug_type(OB_DEBUG_SM,
 870                   "Restore session for client %s", self->title);
 871
 872     if (!(it = session_state_find(self))) {
 873         ob_debug_type(OB_DEBUG_SM,
 874                       "Session data not found for client %s", self->title);
 875         return;
 876     }
 877
 878     self->session = it->data;
 879
 880     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s",
 881                   self->title);
 882
 883     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 884     self->positioned = USPosition;
 885     self->sized = USSize;
 886     if (self->session->w > 0)
 887         self->area.width = self->session->w;
 888     if (self->session->h > 0)
 889         self->area.height = self->session->h;
 890     XResizeWindow(obt_display, self->window,
 891                   self->area.width, self->area.height);
 892
 893     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 894                      self->session->desktop :
 895                      MIN(screen_num_desktops - 1, self->session->desktop));
 896     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
 897
 898     self->shaded = self->session->shaded;
 899     self->iconic = self->session->iconic;
 900     self->skip_pager = self->session->skip_pager;
 901     self->skip_taskbar = self->session->skip_taskbar;
 902     self->fullscreen = self->session->fullscreen;
 903     self->above = self->session->above;
 904     self->below = self->session->below;
 905     self->max_horz = self->session->max_horz;
 906     self->max_vert = self->session->max_vert;
 907     self->undecorated = self->session->undecorated;
 908 }
 909
 910 static gboolean client_restore_session_stacking(ObClient *self)
 911 {
 912     GList *it, *mypos;
 913
 914     if (!self->session) return FALSE;
 915
 916     mypos = g_list_find(session_saved_state, self->session);
 917     if (!mypos) return FALSE;
 918
 919     /* start above me and look for the first client */
 920     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 921         GList *cit;
 922
 923         for (cit = client_list; cit; cit = g_list_next(cit)) {
 924             ObClient *c = cit->data;
 925             /* found a client that was in the session, so go below it */
 926             if (c->session == it->data) {
 927                 stacking_below(CLIENT_AS_WINDOW(self),
 928                                CLIENT_AS_WINDOW(cit->data));
 929                 return TRUE;
 930             }
 931         }
 932     }
 933     return FALSE;
 934 }
 935
 936 void client_move_onscreen(ObClient *self, gboolean rude)
 937 {
 938     gint x = self->area.x;
 939     gint y = self->area.y;
 940     if (client_find_onscreen(self, &x, &y,
 941                              self->area.width,
 942                              self->area.height, rude)) {
 943         client_move(self, x, y);
 944     }
 945 }
 946
 947 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 948                               gboolean rude)
 949 {
 950     gint ox = *x, oy = *y;
 951     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 952     gint fw, fh;
 953     Rect desired;
 954     guint i;
 955     gboolean found_mon;
 956
 957     RECT_SET(desired, *x, *y, w, h);
 958     frame_rect_to_frame(self->frame, &desired);
 959
 960     /* get where the frame would be */
 961     frame_client_gravity(self->frame, x, y);
 962
 963     /* get the requested size of the window with decorations */
 964     fw = self->frame->size.left + w + self->frame->size.right;
 965     fh = self->frame->size.top + h + self->frame->size.bottom;
 966
 967     /* If rudeness wasn't requested, then still be rude in a given direction
 968        if the client is not moving, only resizing in that direction */
 969     if (!rude) {
 970         Point oldtl, oldtr, oldbl, oldbr;
 971         Point newtl, newtr, newbl, newbr;
 972         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 973
 974         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 975         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 976                   self->frame->area.y + self->frame->area.height - 1);
 977         POINT_SET(oldtr, oldbr.x, oldtl.y);
 978         POINT_SET(oldbl, oldtl.x, oldbr.y);
 979
 980         POINT_SET(newtl, *x, *y);
 981         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 982         POINT_SET(newtr, newbr.x, newtl.y);
 983         POINT_SET(newbl, newtl.x, newbr.y);
 984
 985         /* is it moving or just resizing from some corner? */
 986         stationary_l = oldtl.x == newtl.x;
 987         stationary_r = oldtr.x == newtr.x;
 988         stationary_t = oldtl.y == newtl.y;
 989         stationary_b = oldbl.y == newbl.y;
 990
 991         /* if left edge is growing and didnt move right edge */
 992         if (stationary_r && newtl.x < oldtl.x)
 993             rudel = TRUE;
 994         /* if right edge is growing and didnt move left edge */
 995         if (stationary_l && newtr.x > oldtr.x)
 996             ruder = TRUE;
 997         /* if top edge is growing and didnt move bottom edge */
 998         if (stationary_b && newtl.y < oldtl.y)
 999             rudet = TRUE;
1000         /* if bottom edge is growing and didnt move top edge */
1001         if (stationary_t && newbl.y > oldbl.y)
1002             rudeb = TRUE;
1003     }
1004
1005     /* we iterate through every monitor that the window is at least partially
1006        on, to make sure it is obeying the rules on them all
1007
1008        if the window does not appear on any monitors, then use the first one
1009     */
1010     found_mon = FALSE;
1011     for (i = 0; i < screen_num_monitors; ++i) {
1012         Rect *a;
1013
1014         if (!screen_physical_area_monitor_contains(i, &desired)) {
1015             if (i < screen_num_monitors - 1 || found_mon)
1016                 continue;
1017
1018             /* the window is not inside any monitor! so just use the first
1019                one */
1020             a = screen_area(self->desktop, 0, NULL);
1021         } else {
1022             found_mon = TRUE;
1023             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1024         }
1025
1026         /* This makes sure windows aren't entirely outside of the screen so you
1027            can't see them at all.
1028            It makes sure 10% of the window is on the screen at least. And don't
1029            let it move itself off the top of the screen, which would hide the
1030            titlebar on you. (The user can still do this if they want too, it's
1031            only limiting the application.
1032         */
1033         if (client_normal(self)) {
1034             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1035                 *x = a->x + a->width - fw/10;
1036             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1037                 *y = a->y + a->height - fh/10;
1038             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1039                 *x = a->x - fw*9/10;
1040             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1041                 *y = a->y - fh*9/10;
1042         }
1043
1044         /* This here doesn't let windows even a pixel outside the
1045            struts/screen. When called from client_manage, programs placing
1046            themselves are forced completely onscreen, while things like
1047            xterm -geometry resolution-width/2 will work fine. Trying to
1048            place it completely offscreen will be handled in the above code.
1049            Sorry for this confused comment, i am tired. */
1050         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1051         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1052             *x = a->x + MAX(0, a->width - fw);
1053
1054         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1055         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1056             *y = a->y + MAX(0, a->height - fh);
1057
1058         g_free(a);
1059     }
1060
1061     /* get where the client should be */
1062     frame_frame_gravity(self->frame, x, y);
1063
1064     return ox != *x || oy != *y;
1065 }
1066
1067 static void client_get_all(ObClient *self, gboolean real)
1068 {
1069     /* this is needed for the frame to set itself up */
1070     client_get_area(self);
1071
1072     /* these things can change the decor and functions of the window */
1073
1074     client_get_mwm_hints(self);
1075     /* this can change the mwmhints for special cases */
1076     client_get_type_and_transientness(self);
1077     client_get_state(self);
1078     client_update_normal_hints(self);
1079
1080     /* get the session related properties, these can change decorations
1081        from per-app settings */
1082     client_get_session_ids(self);
1083
1084     /* now we got everything that can affect the decorations */
1085     if (!real)
1086         return;
1087
1088     /* get this early so we have it for debugging */
1089     client_update_title(self);
1090
1091     client_update_protocols(self);
1092
1093     client_update_wmhints(self);
1094     /* this may have already been called from client_update_wmhints */
1095     if (!self->parents && !self->transient_for_group)
1096         client_update_transient_for(self);
1097
1098     client_get_startup_id(self);
1099     client_get_desktop(self);/* uses transient data/group/startup id if a
1100                                 desktop is not specified */
1101     client_get_shaped(self);
1102
1103     {
1104         /* a couple type-based defaults for new windows */
1105
1106         /* this makes sure that these windows appear on all desktops */
1107         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1108             self->desktop = DESKTOP_ALL;
1109     }
1110
1111 #ifdef SYNC
1112     client_update_sync_request_counter(self);
1113 #endif
1114
1115     client_get_colormap(self);
1116     client_update_strut(self);
1117     client_update_icons(self);
1118     client_update_icon_geometry(self);
1119 }
1120
1121 static void client_get_startup_id(ObClient *self)
1122 {
1123     if (!(OBT_PROP_GETS(self->window, NET_STARTUP_ID, utf8,
1124                         &self->startup_id)))
1125         if (self->group)
1126             OBT_PROP_GETS(self->group->leader,
1127                           NET_STARTUP_ID, utf8, &self->startup_id);
1128 }
1129
1130 static void client_get_area(ObClient *self)
1131 {
1132     XWindowAttributes wattrib;
1133     Status ret;
1134
1135     ret = XGetWindowAttributes(obt_display, self->window, &wattrib);
1136     g_assert(ret != BadWindow);
1137
1138     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1139     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1140     self->border_width = wattrib.border_width;
1141
1142     ob_debug("client area: %d %d  %d %d  bw %d", wattrib.x, wattrib.y,
1143              wattrib.width, wattrib.height, wattrib.border_width);
1144 }
1145
1146 static void client_get_desktop(ObClient *self)
1147 {
1148     guint32 d = screen_num_desktops; /* an always-invalid value */
1149
1150     if (OBT_PROP_GET32(self->window, NET_WM_DESKTOP, CARDINAL, &d)) {
1151         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1152             self->desktop = screen_num_desktops - 1;
1153         else
1154             self->desktop = d;
1155         ob_debug("client requested desktop 0x%x", self->desktop);
1156     } else {
1157         GSList *it;
1158         gboolean first = TRUE;
1159         guint all = screen_num_desktops; /* not a valid value */
1160
1161         /* if they are all on one desktop, then open it on the
1162            same desktop */
1163         for (it = self->parents; it; it = g_slist_next(it)) {
1164             ObClient *c = it->data;
1165
1166             if (c->desktop == DESKTOP_ALL) continue;
1167
1168             if (first) {
1169                 all = c->desktop;
1170                 first = FALSE;
1171             }
1172             else if (all != c->desktop)
1173                 all = screen_num_desktops; /* make it invalid */
1174         }
1175         if (all != screen_num_desktops) {
1176             self->desktop = all;
1177
1178             ob_debug("client desktop set from parents: 0x%x",
1179                      self->desktop);
1180         }
1181         /* try get from the startup-notification protocol */
1182         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1183             if (self->desktop >= screen_num_desktops &&
1184                 self->desktop != DESKTOP_ALL)
1185                 self->desktop = screen_num_desktops - 1;
1186             ob_debug("client desktop set from startup-notification: 0x%x",
1187                      self->desktop);
1188         }
1189         /* defaults to the current desktop */
1190         else {
1191             self->desktop = screen_desktop;
1192             ob_debug("client desktop set to the current desktop: %d",
1193                      self->desktop);
1194         }
1195     }
1196 }
1197
1198 static void client_get_state(ObClient *self)
1199 {
1200     guint32 *state;
1201     guint num;
1202
1203     if (OBT_PROP_GETA32(self->window, NET_WM_STATE, ATOM, &state, &num)) {
1204         gulong i;
1205         for (i = 0; i < num; ++i) {
1206             if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
1207                 self->modal = TRUE;
1208             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
1209                 self->shaded = TRUE;
1210             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
1211                 self->iconic = TRUE;
1212             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
1213                 self->skip_taskbar = TRUE;
1214             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
1215                 self->skip_pager = TRUE;
1216             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
1217                 self->fullscreen = TRUE;
1218             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
1219                 self->max_vert = TRUE;
1220             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
1221                 self->max_horz = TRUE;
1222             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
1223                 self->above = TRUE;
1224             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
1225                 self->below = TRUE;
1226             else if (state[i] == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
1227                 self->demands_attention = TRUE;
1228             else if (state[i] == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
1229                 self->undecorated = TRUE;
1230         }
1231
1232         g_free(state);
1233     }
1234 }
1235
1236 static void client_get_shaped(ObClient *self)
1237 {
1238     self->shaped = FALSE;
1239 #ifdef SHAPE
1240     if (obt_display_extension_shape) {
1241         gint foo;
1242         guint ufoo;
1243         gint s;
1244
1245         XShapeSelectInput(obt_display, self->window, ShapeNotifyMask);
1246
1247         XShapeQueryExtents(obt_display, self->window, &s, &foo,
1248                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1249                            &ufoo);
1250         self->shaped = !!s;
1251     }
1252 #endif
1253 }
1254
1255 void client_update_transient_for(ObClient *self)
1256 {
1257     Window t = None;
1258     ObClient *target = NULL;
1259     gboolean trangroup = FALSE;
1260
1261     if (XGetTransientForHint(obt_display, self->window, &t)) {
1262         if (t != self->window) { /* can't be transient to itself! */
1263             ObWindow *tw = window_find(t);
1264             /* if this happens then we need to check for it */
1265             g_assert(tw != CLIENT_AS_WINDOW(self));
1266             if (tw && WINDOW_IS_CLIENT(tw)) {
1267                 /* watch out for windows with a parent that is something
1268                    different, like a dockapp for example */
1269                 target = WINDOW_AS_CLIENT(tw);
1270             }
1271         }
1272
1273         /* Setting the transient_for to Root is actually illegal, however
1274            applications from time have done this to specify transient for
1275            their group */
1276         if (!target && self->group && t == obt_root(ob_screen))
1277             trangroup = TRUE;
1278     } else if (self->group && self->transient)
1279         trangroup = TRUE;
1280
1281     client_update_transient_tree(self, self->group, self->group,
1282                                  self->transient_for_group, trangroup,
1283                                  client_direct_parent(self), target);
1284     self->transient_for_group = trangroup;
1285
1286 }
1287
1288 static void client_update_transient_tree(ObClient *self,
1289                                          ObGroup *oldgroup, ObGroup *newgroup,
1290                                          gboolean oldgtran, gboolean newgtran,
1291                                          ObClient* oldparent,
1292                                          ObClient *newparent)
1293 {
1294     GSList *it, *next;
1295     ObClient *c;
1296
1297     g_assert(!oldgtran || oldgroup);
1298     g_assert(!newgtran || newgroup);
1299     g_assert((!oldgtran && !oldparent) ||
1300              (oldgtran && !oldparent) ||
1301              (!oldgtran && oldparent));
1302     g_assert((!newgtran && !newparent) ||
1303              (newgtran && !newparent) ||
1304              (!newgtran && newparent));
1305
1306     /* * *
1307       Group transient windows are not allowed to have other group
1308       transient windows as their children.
1309       * * */
1310
1311     /* No change has occured */
1312     if (oldgroup == newgroup &&
1313         oldgtran == newgtran &&
1314         oldparent == newparent) return;
1315
1316     /** Remove the client from the transient tree **/
1317
1318     for (it = self->transients; it; it = next) {
1319         next = g_slist_next(it);
1320         c = it->data;
1321         self->transients = g_slist_delete_link(self->transients, it);
1322         c->parents = g_slist_remove(c->parents, self);
1323     }
1324     for (it = self->parents; it; it = next) {
1325         next = g_slist_next(it);
1326         c = it->data;
1327         self->parents = g_slist_delete_link(self->parents, it);
1328         c->transients = g_slist_remove(c->transients, self);
1329     }
1330
1331     /** Re-add the client to the transient tree **/
1332
1333     /* If we're transient for a group then we need to add ourselves to all our
1334        parents */
1335     if (newgtran) {
1336         for (it = newgroup->members; it; it = g_slist_next(it)) {
1337             c = it->data;
1338             if (c != self &&
1339                 !client_search_top_direct_parent(c)->transient_for_group &&
1340                 client_normal(c))
1341             {
1342                 c->transients = g_slist_prepend(c->transients, self);
1343                 self->parents = g_slist_prepend(self->parents, c);
1344             }
1345         }
1346     }
1347
1348     /* If we are now transient for a single window we need to add ourselves to
1349        its children
1350
1351        WARNING: Cyclical transient-ness is possible if two windows are
1352        transient for eachother.
1353     */
1354     else if (newparent &&
1355              /* don't make ourself its child if it is already our child */
1356              !client_is_direct_child(self, newparent) &&
1357              client_normal(newparent))
1358     {
1359         newparent->transients = g_slist_prepend(newparent->transients, self);
1360         self->parents = g_slist_prepend(self->parents, newparent);
1361     }
1362
1363     /* Add any group transient windows to our children. But if we're transient
1364        for the group, then other group transients are not our children.
1365
1366        WARNING: Cyclical transient-ness is possible. For e.g. if:
1367        A is transient for the group
1368        B is transient for A
1369        C is transient for B
1370        A can't be transient for C or we have a cycle
1371     */
1372     if (!newgtran && newgroup &&
1373         (!newparent ||
1374          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1375         client_normal(self))
1376     {
1377         for (it = newgroup->members; it; it = g_slist_next(it)) {
1378             c = it->data;
1379             if (c != self && c->transient_for_group &&
1380                 /* Don't make it our child if it is already our parent */
1381                 !client_is_direct_child(c, self))
1382             {
1383                 self->transients = g_slist_prepend(self->transients, c);
1384                 c->parents = g_slist_prepend(c->parents, self);
1385             }
1386         }
1387     }
1388
1389     /** If we change our group transient-ness, our children change their
1390         effective group transient-ness, which affects how they relate to other
1391         group windows **/
1392
1393     for (it = self->transients; it; it = g_slist_next(it)) {
1394         c = it->data;
1395         if (!c->transient_for_group)
1396             client_update_transient_tree(c, c->group, c->group,
1397                                          c->transient_for_group,
1398                                          c->transient_for_group,
1399                                          client_direct_parent(c),
1400                                          client_direct_parent(c));
1401     }
1402 }
1403
1404 static void client_get_mwm_hints(ObClient *self)
1405 {
1406     guint num;
1407     guint32 *hints;
1408
1409     self->mwmhints.flags = 0; /* default to none */
1410
1411     if (OBT_PROP_GETA32(self->window, MOTIF_WM_HINTS, MOTIF_WM_HINTS,
1412                         &hints, &num)) {
1413         if (num >= OB_MWM_ELEMENTS) {
1414             self->mwmhints.flags = hints[0];
1415             self->mwmhints.functions = hints[1];
1416             self->mwmhints.decorations = hints[2];
1417         }
1418         g_free(hints);
1419     }
1420 }
1421
1422 void client_get_type_and_transientness(ObClient *self)
1423 {
1424     guint num, i;
1425     guint32 *val;
1426     Window t;
1427
1428     self->type = -1;
1429     self->transient = FALSE;
1430
1431     if (OBT_PROP_GETA32(self->window, NET_WM_WINDOW_TYPE, ATOM, &val, &num)) {
1432         /* use the first value that we know about in the array */
1433         for (i = 0; i < num; ++i) {
1434             if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP))
1435                 self->type = OB_CLIENT_TYPE_DESKTOP;
1436             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DOCK))
1437                 self->type = OB_CLIENT_TYPE_DOCK;
1438             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_TOOLBAR))
1439                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1440             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU))
1441                 self->type = OB_CLIENT_TYPE_MENU;
1442             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_UTILITY))
1443                 self->type = OB_CLIENT_TYPE_UTILITY;
1444             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_SPLASH))
1445                 self->type = OB_CLIENT_TYPE_SPLASH;
1446             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG))
1447                 self->type = OB_CLIENT_TYPE_DIALOG;
1448             else if (val[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL))
1449                 self->type = OB_CLIENT_TYPE_NORMAL;
1450             else if (val[i] == OBT_PROP_ATOM(KDE_NET_WM_WINDOW_TYPE_OVERRIDE))
1451             {
1452                 /* prevent this window from getting any decor or
1453                    functionality */
1454                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1455                                          OB_MWM_FLAG_DECORATIONS);
1456                 self->mwmhints.decorations = 0;
1457                 self->mwmhints.functions = 0;
1458             }
1459             if (self->type != (ObClientType) -1)
1460                 break; /* grab the first legit type */
1461         }
1462         g_free(val);
1463     }
1464
1465     if (XGetTransientForHint(obt_display, self->window, &t))
1466         self->transient = TRUE;
1467
1468     if (self->type == (ObClientType) -1) {
1469         /*the window type hint was not set, which means we either classify
1470           ourself as a normal window or a dialog, depending on if we are a
1471           transient. */
1472         if (self->transient)
1473             self->type = OB_CLIENT_TYPE_DIALOG;
1474         else
1475             self->type = OB_CLIENT_TYPE_NORMAL;
1476     }
1477
1478     /* then, based on our type, we can update our transientness.. */
1479     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1480         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1481         self->type == OB_CLIENT_TYPE_MENU ||
1482         self->type == OB_CLIENT_TYPE_UTILITY)
1483     {
1484         self->transient = TRUE;
1485     }
1486 }
1487
1488 void client_update_protocols(ObClient *self)
1489 {
1490     guint32 *proto;
1491     guint num_ret, i;
1492
1493     self->focus_notify = FALSE;
1494     self->delete_window = FALSE;
1495
1496     if (OBT_PROP_GETA32(self->window, WM_PROTOCOLS, ATOM, &proto, &num_ret)) {
1497         for (i = 0; i < num_ret; ++i) {
1498             if (proto[i] == OBT_PROP_ATOM(WM_DELETE_WINDOW))
1499                 /* this means we can request the window to close */
1500                 self->delete_window = TRUE;
1501             else if (proto[i] == OBT_PROP_ATOM(WM_TAKE_FOCUS))
1502                 /* if this protocol is requested, then the window will be
1503                    notified whenever we want it to receive focus */
1504                 self->focus_notify = TRUE;
1505             else if (proto[i] == OBT_PROP_ATOM(NET_WM_PING))
1506                 /* if this protocol is requested, then the window will allow
1507                    pings to determine if it is still alive */
1508                 self->ping = TRUE;
1509 #ifdef SYNC
1510             else if (proto[i] == OBT_PROP_ATOM(NET_WM_SYNC_REQUEST))
1511                 /* if this protocol is requested, then resizing the
1512                    window will be synchronized between the frame and the
1513                    client */
1514                 self->sync_request = TRUE;
1515 #endif
1516         }
1517         g_free(proto);
1518     }
1519 }
1520
1521 #ifdef SYNC
1522 void client_update_sync_request_counter(ObClient *self)
1523 {
1524     guint32 i;
1525
1526     if (OBT_PROP_GET32(self->window, NET_WM_SYNC_REQUEST_COUNTER, CARDINAL,&i))
1527     {
1528         self->sync_counter = i;
1529     } else
1530         self->sync_counter = None;
1531 }
1532 #endif
1533
1534 static void client_get_colormap(ObClient *self)
1535 {
1536     XWindowAttributes wa;
1537
1538     if (XGetWindowAttributes(obt_display, self->window, &wa))
1539         client_update_colormap(self, wa.colormap);
1540 }
1541
1542 void client_update_colormap(ObClient *self, Colormap colormap)
1543 {
1544     if (colormap == self->colormap) return;
1545
1546     ob_debug("Setting client %s colormap: 0x%x", self->title, colormap);
1547
1548     if (client_focused(self)) {
1549         screen_install_colormap(self, FALSE); /* uninstall old one */
1550         self->colormap = colormap;
1551         screen_install_colormap(self, TRUE); /* install new one */
1552     } else
1553         self->colormap = colormap;
1554 }
1555
1556 void client_update_normal_hints(ObClient *self)
1557 {
1558     XSizeHints size;
1559     glong ret;
1560
1561     /* defaults */
1562     self->min_ratio = 0.0f;
1563     self->max_ratio = 0.0f;
1564     SIZE_SET(self->size_inc, 1, 1);
1565     SIZE_SET(self->base_size, -1, -1);
1566     SIZE_SET(self->min_size, 0, 0);
1567     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1568
1569     /* get the hints from the window */
1570     if (XGetWMNormalHints(obt_display, self->window, &size, &ret)) {
1571         /* normal windows can't request placement! har har
1572         if (!client_normal(self))
1573         */
1574         self->positioned = (size.flags & (PPosition|USPosition));
1575         self->sized = (size.flags & (PSize|USSize));
1576
1577         if (size.flags & PWinGravity)
1578             self->gravity = size.win_gravity;
1579
1580         if (size.flags & PAspect) {
1581             if (size.min_aspect.y)
1582                 self->min_ratio =
1583                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1584             if (size.max_aspect.y)
1585                 self->max_ratio =
1586                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1587         }
1588
1589         if (size.flags & PMinSize)
1590             SIZE_SET(self->min_size, size.min_width, size.min_height);
1591
1592         if (size.flags & PMaxSize)
1593             SIZE_SET(self->max_size, size.max_width, size.max_height);
1594
1595         if (size.flags & PBaseSize)
1596             SIZE_SET(self->base_size, size.base_width, size.base_height);
1597
1598         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1599             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1600
1601         ob_debug("Normal hints: min size (%d %d) max size (%d %d)",
1602                  self->min_size.width, self->min_size.height,
1603                  self->max_size.width, self->max_size.height);
1604         ob_debug("size inc (%d %d) base size (%d %d)",
1605                  self->size_inc.width, self->size_inc.height,
1606                  self->base_size.width, self->base_size.height);
1607     }
1608     else
1609         ob_debug("Normal hints: not set");
1610 }
1611
1612 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1613 {
1614     /* start with everything (cept fullscreen) */
1615     self->decorations =
1616         (OB_FRAME_DECOR_TITLEBAR |
1617          OB_FRAME_DECOR_HANDLE |
1618          OB_FRAME_DECOR_GRIPS |
1619          OB_FRAME_DECOR_BORDER |
1620          OB_FRAME_DECOR_ICON |
1621          OB_FRAME_DECOR_ALLDESKTOPS |
1622          OB_FRAME_DECOR_ICONIFY |
1623          OB_FRAME_DECOR_MAXIMIZE |
1624          OB_FRAME_DECOR_SHADE |
1625          OB_FRAME_DECOR_CLOSE);
1626     self->functions =
1627         (OB_CLIENT_FUNC_RESIZE |
1628          OB_CLIENT_FUNC_MOVE |
1629          OB_CLIENT_FUNC_ICONIFY |
1630          OB_CLIENT_FUNC_MAXIMIZE |
1631          OB_CLIENT_FUNC_SHADE |
1632          OB_CLIENT_FUNC_CLOSE |
1633          OB_CLIENT_FUNC_BELOW |
1634          OB_CLIENT_FUNC_ABOVE |
1635          OB_CLIENT_FUNC_UNDECORATE);
1636
1637     if (!(self->min_size.width < self->max_size.width ||
1638           self->min_size.height < self->max_size.height))
1639         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1640
1641     switch (self->type) {
1642     case OB_CLIENT_TYPE_NORMAL:
1643         /* normal windows retain all of the possible decorations and
1644            functionality, and can be fullscreen */
1645         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1646         break;
1647
1648     case OB_CLIENT_TYPE_DIALOG:
1649         /* sometimes apps make dialog windows fullscreen for some reason (for
1650            e.g. kpdf does this..) */
1651         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1652         break;
1653
1654     case OB_CLIENT_TYPE_UTILITY:
1655         /* these windows don't have anything added or removed by default */
1656         break;
1657
1658     case OB_CLIENT_TYPE_MENU:
1659     case OB_CLIENT_TYPE_TOOLBAR:
1660         /* these windows can't iconify or maximize */
1661         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1662                                OB_FRAME_DECOR_MAXIMIZE);
1663         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1664                              OB_CLIENT_FUNC_MAXIMIZE);
1665         break;
1666
1667     case OB_CLIENT_TYPE_SPLASH:
1668         /* these don't get get any decorations, and the only thing you can
1669            do with them is move them */
1670         self->decorations = 0;
1671         self->functions = OB_CLIENT_FUNC_MOVE;
1672         break;
1673
1674     case OB_CLIENT_TYPE_DESKTOP:
1675         /* these windows are not manipulated by the window manager */
1676         self->decorations = 0;
1677         self->functions = 0;
1678         break;
1679
1680     case OB_CLIENT_TYPE_DOCK:
1681         /* these windows are not manipulated by the window manager, but they
1682            can set below layer which has a special meaning */
1683         self->decorations = 0;
1684         self->functions = OB_CLIENT_FUNC_BELOW;
1685         break;
1686     }
1687
1688     /* Mwm Hints are applied subtractively to what has already been chosen for
1689        decor and functionality */
1690     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1691         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1692             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1693                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1694             {
1695                 /* if the mwm hints request no handle or title, then all
1696                    decorations are disabled, but keep the border if that's
1697                    specified */
1698                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1699                     self->decorations = OB_FRAME_DECOR_BORDER;
1700                 else
1701                     self->decorations = 0;
1702             }
1703         }
1704     }
1705
1706     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1707         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1708             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1709                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1710             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1711                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1712             /* dont let mwm hints kill any buttons
1713                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1714                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1715                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1716                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1717             */
1718             /* dont let mwm hints kill the close button
1719                if (! (self->mwmhints.functions & MwmFunc_Close))
1720                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1721         }
1722     }
1723
1724     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1725         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1726     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1727         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1728     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1729         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1730
1731     /* can't maximize without moving/resizing */
1732     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1733           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1734           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1735         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1736         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1737     }
1738
1739     if (self->max_horz && self->max_vert) {
1740         /* you can't resize fully maximized windows */
1741         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1742         /* kill the handle on fully maxed windows */
1743         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1744     }
1745
1746     /* If there are no decorations to remove, don't allow the user to try
1747        toggle the state */
1748     if (self->decorations == 0)
1749         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1750
1751     /* finally, the user can have requested no decorations, which overrides
1752        everything (but doesnt give it a border if it doesnt have one) */
1753     if (self->undecorated)
1754         self->decorations = 0;
1755
1756     /* if we don't have a titlebar, then we cannot shade! */
1757     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1758         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1759
1760     /* now we need to check against rules for the client's current state */
1761     if (self->fullscreen) {
1762         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1763                             OB_CLIENT_FUNC_FULLSCREEN |
1764                             OB_CLIENT_FUNC_ICONIFY);
1765         self->decorations = 0;
1766     }
1767
1768     client_change_allowed_actions(self);
1769
1770     if (reconfig)
1771         /* force reconfigure to make sure decorations are updated */
1772         client_reconfigure(self, TRUE);
1773 }
1774
1775 static void client_change_allowed_actions(ObClient *self)
1776 {
1777     gulong actions[12];
1778     gint num = 0;
1779
1780     /* desktop windows are kept on all desktops */
1781     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1782         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CHANGE_DESKTOP);
1783
1784     if (self->functions & OB_CLIENT_FUNC_SHADE)
1785         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_SHADE);
1786     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1787         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_CLOSE);
1788     if (self->functions & OB_CLIENT_FUNC_MOVE)
1789         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
1790     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1791         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
1792     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1793         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
1794     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1795         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_FULLSCREEN);
1796     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1797         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_HORZ);
1798         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_MAXIMIZE_VERT);
1799     }
1800     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1801         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_ABOVE);
1802     if (self->functions & OB_CLIENT_FUNC_BELOW)
1803         actions[num++] = OBT_PROP_ATOM(NET_WM_ACTION_BELOW);
1804     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1805         actions[num++] = OBT_PROP_ATOM(OB_WM_ACTION_UNDECORATE);
1806
1807     OBT_PROP_SETA32(self->window, NET_WM_ALLOWED_ACTIONS, ATOM, actions, num);
1808
1809     /* make sure the window isn't breaking any rules now
1810
1811        don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1812        it can't be iconified with its parent
1813     */
1814
1815     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1816         if (self->frame) client_shade(self, FALSE);
1817         else self->shaded = FALSE;
1818     }
1819     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1820         if (self->frame) client_fullscreen(self, FALSE);
1821         else self->fullscreen = FALSE;
1822     }
1823     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1824                                                          self->max_vert)) {
1825         if (self->frame) client_maximize(self, FALSE, 0);
1826         else self->max_vert = self->max_horz = FALSE;
1827     }
1828 }
1829
1830 void client_update_wmhints(ObClient *self)
1831 {
1832     XWMHints *hints;
1833
1834     /* assume a window takes input if it doesn't specify */
1835     self->can_focus = TRUE;
1836
1837     if ((hints = XGetWMHints(obt_display, self->window)) != NULL) {
1838         gboolean ur;
1839
1840         if (hints->flags & InputHint)
1841             self->can_focus = hints->input;
1842
1843         /* only do this when first managing the window *AND* when we aren't
1844            starting up! */
1845         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1846             if (hints->flags & StateHint)
1847                 self->iconic = hints->initial_state == IconicState;
1848
1849         ur = self->urgent;
1850         self->urgent = (hints->flags & XUrgencyHint);
1851         if (self->urgent && !ur)
1852             client_hilite(self, TRUE);
1853         else if (!self->urgent && ur && self->demands_attention)
1854             client_hilite(self, FALSE);
1855
1856         if (!(hints->flags & WindowGroupHint))
1857             hints->window_group = None;
1858
1859         /* did the group state change? */
1860         if (hints->window_group !=
1861             (self->group ? self->group->leader : None))
1862         {
1863             ObGroup *oldgroup = self->group;
1864
1865             /* remove from the old group if there was one */
1866             if (self->group) {
1867                 group_remove(self->group, self);
1868                 self->group = NULL;
1869             }
1870
1871             /* add ourself to the group if we have one */
1872             if (hints->window_group != None) {
1873                 self->group = group_add(hints->window_group, self);
1874             }
1875
1876             /* Put ourselves into the new group's transient tree, and remove
1877                ourselves from the old group's */
1878             client_update_transient_tree(self, oldgroup, self->group,
1879                                          self->transient_for_group,
1880                                          self->transient_for_group,
1881                                          client_direct_parent(self),
1882                                          client_direct_parent(self));
1883
1884             /* Lastly, being in a group, or not, can change if the window is
1885                transient for anything.
1886
1887                The logic for this is:
1888                self->transient = TRUE always if the window wants to be
1889                transient for something, even if transient_for was NULL because
1890                it wasn't in a group before.
1891
1892                If parents was NULL and oldgroup was NULL we can assume
1893                that when we add the new group, it will become transient for
1894                something.
1895
1896                If transient_for_group is TRUE, then it must have already
1897                had a group. If it is getting a new group, the above call to
1898                client_update_transient_tree has already taken care of
1899                everything ! If it is losing all group status then it will
1900                no longer be transient for anything and that needs to be
1901                updated.
1902             */
1903             if (self->transient &&
1904                 ((self->parents == NULL && oldgroup == NULL) ||
1905                  (self->transient_for_group && !self->group)))
1906                 client_update_transient_for(self);
1907         }
1908
1909         /* the WM_HINTS can contain an icon */
1910         if (hints->flags & IconPixmapHint)
1911             client_update_icons(self);
1912
1913         XFree(hints);
1914     }
1915 }
1916
1917 void client_update_title(ObClient *self)
1918 {
1919     gchar *data = NULL;
1920     gchar *visible = NULL;
1921
1922     g_free(self->title);
1923     g_free(self->original_title);
1924
1925     /* try netwm */
1926     if (!OBT_PROP_GETS(self->window, NET_WM_NAME, utf8, &data)) {
1927         /* try old x stuff */
1928         if (!(OBT_PROP_GETS(self->window, WM_NAME, locale, &data)
1929               || OBT_PROP_GETS(self->window, WM_NAME, utf8, &data))) {
1930             if (self->transient) {
1931     /*
1932     GNOME alert windows are not given titles:
1933     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1934     */
1935                 data = g_strdup("");
1936             } else
1937                 data = g_strdup(_("Unnamed Window"));
1938         }
1939     }
1940     self->original_title = g_strdup(data);
1941
1942     if (self->client_machine) {
1943         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1944         g_free(data);
1945     } else
1946         visible = data;
1947
1948     if (self->not_responding) {
1949         data = visible;
1950         if (self->kill_level > 0)
1951             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
1952         else
1953             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
1954         g_free(data);
1955     }
1956
1957     OBT_PROP_SETS(self->window, NET_WM_VISIBLE_NAME, utf8, visible);
1958     self->title = visible;
1959
1960     if (self->frame)
1961         frame_adjust_title(self->frame);
1962
1963     /* update the icon title */
1964     data = NULL;
1965     g_free(self->icon_title);
1966
1967     /* try netwm */
1968     if (!OBT_PROP_GETS(self->window, NET_WM_ICON_NAME, utf8, &data))
1969         /* try old x stuff */
1970         if (!(OBT_PROP_GETS(self->window, WM_ICON_NAME, locale, &data) ||
1971               OBT_PROP_GETS(self->window, WM_ICON_NAME, utf8, &data)))
1972             data = g_strdup(self->title);
1973
1974     if (self->client_machine) {
1975         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1976         g_free(data);
1977     } else
1978         visible = data;
1979
1980     if (self->not_responding) {
1981         data = visible;
1982         if (self->kill_level > 0)
1983             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
1984         else
1985             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
1986         g_free(data);
1987     }
1988
1989     OBT_PROP_SETS(self->window, NET_WM_VISIBLE_ICON_NAME, utf8, visible);
1990     self->icon_title = visible;
1991 }
1992
1993 void client_update_strut(ObClient *self)
1994 {
1995     guint num;
1996     guint32 *data;
1997     gboolean got = FALSE;
1998     StrutPartial strut;
1999
2000     if (OBT_PROP_GETA32(self->window, NET_WM_STRUT_PARTIAL, CARDINAL,
2001                         &data, &num))
2002     {
2003         if (num == 12) {
2004             got = TRUE;
2005             STRUT_PARTIAL_SET(strut,
2006                               data[0], data[2], data[1], data[3],
2007                               data[4], data[5], data[8], data[9],
2008                               data[6], data[7], data[10], data[11]);
2009         }
2010         g_free(data);
2011     }
2012
2013     if (!got &&
2014         OBT_PROP_GETA32(self->window, NET_WM_STRUT, CARDINAL, &data, &num)) {
2015         if (num == 4) {
2016             Rect *a;
2017
2018             got = TRUE;
2019
2020             /* use the screen's width/height */
2021             a = screen_physical_area_all_monitors();
2022
2023             STRUT_PARTIAL_SET(strut,
2024                               data[0], data[2], data[1], data[3],
2025                               a->y, a->y + a->height - 1,
2026                               a->x, a->x + a->width - 1,
2027                               a->y, a->y + a->height - 1,
2028                               a->x, a->x + a->width - 1);
2029             g_free(a);
2030         }
2031         g_free(data);
2032     }
2033
2034     if (!got)
2035         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2036                           0, 0, 0, 0, 0, 0, 0, 0);
2037
2038     if (!STRUT_EQUAL(strut, self->strut)) {
2039         self->strut = strut;
2040
2041         /* updating here is pointless while we're being mapped cuz we're not in
2042            the client list yet */
2043         if (self->frame)
2044             screen_update_areas();
2045     }
2046 }
2047
2048 void client_update_icons(ObClient *self)
2049 {
2050     guint num;
2051     guint32 *data;
2052     guint w, h, i, j;
2053     guint num_seen;  /* number of icons present */
2054     RrImage *img;
2055
2056     img = NULL;
2057
2058     /* grab the server, because we might be setting the window's icon and
2059        we don't want them to set it in between and we overwrite their own
2060        icon */
2061     grab_server(TRUE);
2062
2063     if (OBT_PROP_GETA32(self->window, NET_WM_ICON, CARDINAL, &data, &num)) {
2064         /* figure out how many valid icons are in here */
2065         i = 0;
2066         num_seen = 0;
2067         while (i + 2 < num) { /* +2 is to make sure there is a w and h */
2068             w = data[i++];
2069             h = data[i++];
2070             /* watch for the data being too small for the specified size,
2071                or for zero sized icons. */
2072             if (i + w*h > num || w == 0 || h == 0) break;
2073
2074             /* convert it to the right bit order for ObRender */
2075             for (j = 0; j < w*h; ++j)
2076                 data[i+j] =
2077                     (((data[i+j] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2078                     (((data[i+j] >> 16) & 0xff) << RrDefaultRedOffset)   +
2079                     (((data[i+j] >>  8) & 0xff) << RrDefaultGreenOffset) +
2080                     (((data[i+j] >>  0) & 0xff) << RrDefaultBlueOffset);
2081
2082             /* is it in the cache? */
2083             img = RrImageCacheFind(ob_rr_icons, &data[i], w, h);
2084             if (img) RrImageRef(img); /* own it */
2085
2086             i += w*h;
2087             ++num_seen;
2088
2089             /* don't bother looping anymore if we already found it in the cache
2090                since we'll just use that! */
2091             if (img) break;
2092         }
2093
2094         /* if it's not in the cache yet, then add it to the cache now.
2095            we have already converted it to the correct bit order above */
2096         if (!img && num_seen > 0) {
2097             img = RrImageNew(ob_rr_icons);
2098             i = 0;
2099             for (j = 0; j < num_seen; ++j) {
2100                 w = data[i++];
2101                 h = data[i++];
2102                 RrImageAddPicture(img, &data[i], w, h);
2103                 i += w*h;
2104             }
2105         }
2106
2107         g_free(data);
2108     }
2109
2110     /* if we didn't find an image from the NET_WM_ICON stuff, then try the
2111        legacy X hints */
2112     if (!img) {
2113         XWMHints *hints;
2114
2115         if ((hints = XGetWMHints(obt_display, self->window))) {
2116             if (hints->flags & IconPixmapHint) {
2117                 gboolean xicon;
2118                 obt_display_ignore_errors(TRUE);
2119                 xicon = RrPixmapToRGBA(ob_rr_inst,
2120                                        hints->icon_pixmap,
2121                                        (hints->flags & IconMaskHint ?
2122                                         hints->icon_mask : None),
2123                                        (gint*)&w, (gint*)&h, &data);
2124                 obt_display_ignore_errors(FALSE);
2125
2126                 if (xicon) {
2127                     if (w > 0 && h > 0) {
2128                         /* is this icon in the cache yet? */
2129                         img = RrImageCacheFind(ob_rr_icons, data, w, h);
2130                         if (img) RrImageRef(img); /* own it */
2131
2132                         /* if not, then add it */
2133                         if (!img) {
2134                             img = RrImageNew(ob_rr_icons);
2135                             RrImageAddPicture(img, data, w, h);
2136                         }
2137                     }
2138
2139                     g_free(data);
2140                 }
2141             }
2142             XFree(hints);
2143         }
2144     }
2145
2146     /* set the client's icons to be whatever we found */
2147     RrImageUnref(self->icon_set);
2148     self->icon_set = img;
2149
2150     /* if the client has no icon at all, then we set a default icon onto it.
2151        but, if it has parents, then one of them will have an icon already
2152     */
2153     if (!self->icon_set && !self->parents) {
2154         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2155         gulong *ldata; /* use a long here to satisfy OBT_PROP_SETA32 */
2156
2157         w = ob_rr_theme->def_win_icon_w;
2158         h = ob_rr_theme->def_win_icon_h;
2159         ldata = g_new(gulong, w*h+2);
2160         ldata[0] = w;
2161         ldata[1] = h;
2162         for (i = 0; i < w*h; ++i)
2163             ldata[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2164                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2165                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2166                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2167         OBT_PROP_SETA32(self->window, NET_WM_ICON, CARDINAL, ldata, w*h+2);
2168         g_free(ldata);
2169     } else if (self->frame)
2170         /* don't draw the icon empty if we're just setting one now anyways,
2171            we'll get the property change any second */
2172         frame_adjust_icon(self->frame);
2173
2174     grab_server(FALSE);
2175 }
2176
2177 void client_update_icon_geometry(ObClient *self)
2178 {
2179     guint num;
2180     guint32 *data;
2181
2182     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2183
2184     if (OBT_PROP_GETA32(self->window, NET_WM_ICON_GEOMETRY, CARDINAL,
2185                         &data, &num))
2186     {
2187         if (num == 4)
2188             /* don't let them set it with an area < 0 */
2189             RECT_SET(self->icon_geometry, data[0], data[1],
2190                      MAX(data[2],0), MAX(data[3],0));
2191         g_free(data);
2192     }
2193 }
2194
2195 static void client_get_session_ids(ObClient *self)
2196 {
2197     guint32 leader;
2198     gboolean got;
2199     gchar *s;
2200     gchar **ss;
2201
2202     if (!OBT_PROP_GET32(self->window, WM_CLIENT_LEADER, WINDOW, &leader))
2203         leader = None;
2204
2205     /* get the SM_CLIENT_ID */
2206     got = FALSE;
2207     if (leader)
2208         got = OBT_PROP_GETS(leader, SM_CLIENT_ID, locale, &self->sm_client_id);
2209     if (!got)
2210         OBT_PROP_GETS(self->window, SM_CLIENT_ID, locale, &self->sm_client_id);
2211
2212     /* get the WM_CLASS (name and class). make them "" if they are not
2213        provided */
2214     got = FALSE;
2215     if (leader)
2216         got = OBT_PROP_GETSS(leader, WM_CLASS, locale, &ss);
2217     if (!got)
2218         got = OBT_PROP_GETSS(self->window, WM_CLASS, locale, &ss);
2219
2220     if (got) {
2221         if (ss[0]) {
2222             self->name = g_strdup(ss[0]);
2223             if (ss[1])
2224                 self->class = g_strdup(ss[1]);
2225         }
2226         g_strfreev(ss);
2227     }
2228
2229     if (self->name == NULL) self->name = g_strdup("");
2230     if (self->class == NULL) self->class = g_strdup("");
2231
2232     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2233     got = FALSE;
2234     if (leader)
2235         got = OBT_PROP_GETS(leader, WM_WINDOW_ROLE, locale, &s);
2236     if (!got)
2237         got = OBT_PROP_GETS(self->window, WM_WINDOW_ROLE, locale, &s);
2238
2239     if (got)
2240         self->role = s;
2241     else
2242         self->role = g_strdup("");
2243
2244     /* get the WM_COMMAND */
2245     got = FALSE;
2246
2247     if (leader)
2248         got = OBT_PROP_GETSS(leader, WM_COMMAND, locale, &ss);
2249     if (!got)
2250         got = OBT_PROP_GETSS(self->window, WM_COMMAND, locale, &ss);
2251
2252     if (got) {
2253         /* merge/mash them all together */
2254         gchar *merge = NULL;
2255         gint i;
2256
2257         for (i = 0; ss[i]; ++i) {
2258             gchar *tmp = merge;
2259             if (merge)
2260                 merge = g_strconcat(merge, ss[i], NULL);
2261             else
2262                 merge = g_strconcat(ss[i], NULL);
2263             g_free(tmp);
2264         }
2265         g_strfreev(ss);
2266
2267         self->wm_command = merge;
2268     }
2269
2270     /* get the WM_CLIENT_MACHINE */
2271     got = FALSE;
2272     if (leader)
2273         got = OBT_PROP_GETS(leader, WM_CLIENT_MACHINE, locale, &s);
2274     if (!got)
2275         got = OBT_PROP_GETS(self->window, WM_CLIENT_MACHINE, locale, &s);
2276
2277     if (got) {
2278         gchar localhost[128];
2279         guint32 pid;
2280
2281         gethostname(localhost, 127);
2282         localhost[127] = '\0';
2283         if (strcmp(localhost, s) != 0)
2284             self->client_machine = s;
2285         else
2286             g_free(s);
2287
2288         /* see if it has the PID set too (the PID requires that the
2289            WM_CLIENT_MACHINE be set) */
2290         if (OBT_PROP_GET32(self->window, NET_WM_PID, CARDINAL, &pid))
2291             self->pid = pid;
2292     }
2293 }
2294
2295 static void client_change_wm_state(ObClient *self)
2296 {
2297     gulong state[2];
2298     glong old;
2299
2300     old = self->wmstate;
2301
2302     if (self->shaded || self->iconic ||
2303         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2304     {
2305         self->wmstate = IconicState;
2306     } else
2307         self->wmstate = NormalState;
2308
2309     if (old != self->wmstate) {
2310         OBT_PROP_MSG(ob_screen, self->window, KDE_WM_CHANGE_STATE,
2311                      self->wmstate, 1, 0, 0, 0);
2312
2313         state[0] = self->wmstate;
2314         state[1] = None;
2315         OBT_PROP_SETA32(self->window, WM_STATE, WM_STATE, state, 2);
2316     }
2317 }
2318
2319 static void client_change_state(ObClient *self)
2320 {
2321     gulong netstate[12];
2322     guint num;
2323
2324     num = 0;
2325     if (self->modal)
2326         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
2327     if (self->shaded)
2328         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SHADED);
2329     if (self->iconic)
2330         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_HIDDEN);
2331     if (self->skip_taskbar)
2332         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR);
2333     if (self->skip_pager)
2334         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER);
2335     if (self->fullscreen)
2336         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN);
2337     if (self->max_vert)
2338         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT);
2339     if (self->max_horz)
2340         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ);
2341     if (self->above)
2342         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_ABOVE);
2343     if (self->below)
2344         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_BELOW);
2345     if (self->demands_attention)
2346         netstate[num++] = OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION);
2347     if (self->undecorated)
2348         netstate[num++] = OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED);
2349     OBT_PROP_SETA32(self->window, NET_WM_STATE, ATOM, netstate, num);
2350
2351     if (self->frame)
2352         frame_adjust_state(self->frame);
2353 }
2354
2355 ObClient *client_search_focus_tree(ObClient *self)
2356 {
2357     GSList *it;
2358     ObClient *ret;
2359
2360     for (it = self->transients; it; it = g_slist_next(it)) {
2361         if (client_focused(it->data)) return it->data;
2362         if ((ret = client_search_focus_tree(it->data))) return ret;
2363     }
2364     return NULL;
2365 }
2366
2367 ObClient *client_search_focus_tree_full(ObClient *self)
2368 {
2369     if (self->parents) {
2370         GSList *it;
2371
2372         for (it = self->parents; it; it = g_slist_next(it)) {
2373             ObClient *c = it->data;
2374             if ((c = client_search_focus_tree_full(it->data))) return c;
2375         }
2376
2377         return NULL;
2378     }
2379     else {
2380         /* this function checks the whole tree, the client_search_focus_tree
2381            does not, so we need to check this window */
2382         if (client_focused(self))
2383             return self;
2384         return client_search_focus_tree(self);
2385     }
2386 }
2387
2388 ObClient *client_search_focus_group_full(ObClient *self)
2389 {
2390     GSList *it;
2391
2392     if (self->group) {
2393         for (it = self->group->members; it; it = g_slist_next(it)) {
2394             ObClient *c = it->data;
2395
2396             if (client_focused(c)) return c;
2397             if ((c = client_search_focus_tree(it->data))) return c;
2398         }
2399     } else
2400         if (client_focused(self)) return self;
2401     return NULL;
2402 }
2403
2404 gboolean client_has_parent(ObClient *self)
2405 {
2406     return self->parents != NULL;
2407 }
2408
2409 static ObStackingLayer calc_layer(ObClient *self)
2410 {
2411     ObStackingLayer l;
2412     Rect *monitor;
2413
2414     monitor = screen_physical_area_monitor(client_monitor(self));
2415
2416     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2417         l = OB_STACKING_LAYER_DESKTOP;
2418     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2419         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2420         else l = OB_STACKING_LAYER_ABOVE;
2421     }
2422     else if ((self->fullscreen ||
2423               /* No decorations and fills the monitor = oldskool fullscreen.
2424                  But not for maximized windows.
2425               */
2426               (self->decorations == 0 &&
2427                !(self->max_horz && self->max_vert) &&
2428                RECT_EQUAL(self->area, *monitor))) &&
2429              /* you are fullscreen while you or your children are focused.. */
2430              (client_focused(self) || client_search_focus_tree(self) ||
2431               /* you can be fullscreen if you're on another desktop */
2432               (self->desktop != screen_desktop &&
2433                self->desktop != DESKTOP_ALL) ||
2434               /* and you can also be fullscreen if the focused client is on
2435                  another monitor, or nothing else is focused */
2436               (!focus_client ||
2437                client_monitor(focus_client) != client_monitor(self))))
2438         l = OB_STACKING_LAYER_FULLSCREEN;
2439     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2440     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2441     else l = OB_STACKING_LAYER_NORMAL;
2442
2443     g_free(monitor);
2444
2445     return l;
2446 }
2447
2448 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2449                                         ObStackingLayer min)
2450 {
2451     ObStackingLayer old, own;
2452     GSList *it;
2453
2454     old = self->layer;
2455     own = calc_layer(self);
2456     self->layer = MAX(own, min);
2457
2458     if (self->layer != old) {
2459         stacking_remove(CLIENT_AS_WINDOW(self));
2460         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2461     }
2462
2463     /* we've been restacked */
2464     self->visited = TRUE;
2465
2466     for (it = self->transients; it; it = g_slist_next(it))
2467         client_calc_layer_recursive(it->data, orig,
2468                                     self->layer);
2469 }
2470
2471 static void client_calc_layer_internal(ObClient *self)
2472 {
2473     GSList *sit;
2474
2475     /* transients take on the layer of their parents */
2476     sit = client_search_all_top_parents(self);
2477
2478     for (; sit; sit = g_slist_next(sit))
2479         client_calc_layer_recursive(sit->data, self, 0);
2480 }
2481
2482 void client_calc_layer(ObClient *self)
2483 {
2484     GList *it;
2485
2486     /* skip over stuff above fullscreen layer */
2487     for (it = stacking_list; it; it = g_list_next(it))
2488         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2489
2490     /* find the windows in the fullscreen layer, and mark them not-visited */
2491     for (; it; it = g_list_next(it)) {
2492         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2493         else if (WINDOW_IS_CLIENT(it->data))
2494             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2495     }
2496
2497     client_calc_layer_internal(self);
2498
2499     /* skip over stuff above fullscreen layer */
2500     for (it = stacking_list; it; it = g_list_next(it))
2501         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2502
2503     /* now recalc any windows in the fullscreen layer which have not
2504        had their layer recalced already */
2505     for (; it; it = g_list_next(it)) {
2506         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2507         else if (WINDOW_IS_CLIENT(it->data) &&
2508                  !WINDOW_AS_CLIENT(it->data)->visited)
2509             client_calc_layer_internal(it->data);
2510     }
2511 }
2512
2513 gboolean client_should_show(ObClient *self)
2514 {
2515     if (self->iconic)
2516         return FALSE;
2517     if (client_normal(self) && screen_showing_desktop)
2518         return FALSE;
2519     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2520         return TRUE;
2521
2522     return FALSE;
2523 }
2524
2525 gboolean client_show(ObClient *self)
2526 {
2527     gboolean show = FALSE;
2528
2529     if (client_should_show(self)) {
2530         /* replay pending pointer event before showing the window, in case it
2531            should be going to something under the window */
2532         mouse_replay_pointer();
2533
2534         frame_show(self->frame);
2535         show = TRUE;
2536
2537         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2538            it needs to be in IconicState. This includes when it is on another
2539            desktop!
2540         */
2541         client_change_wm_state(self);
2542
2543         hooks_queue(OB_HOOK_WIN_VISIBLE, self);
2544     }
2545     return show;
2546 }
2547
2548 gboolean client_hide(ObClient *self)
2549 {
2550     gboolean hide = FALSE;
2551
2552     if (!client_should_show(self)) {
2553         if (self == focus_client) {
2554             event_cancel_all_key_grabs();
2555         }
2556
2557         /* We don't need to ignore enter events here.
2558            The window can hide/iconify in 3 different ways:
2559            1 - through an x message. in this case we ignore all enter events
2560                caused by responding to the x message (unless underMouse)
2561            2 - by a keyboard action. in this case we ignore all enter events
2562                caused by the action
2563            3 - by a mouse action. in this case they are doing stuff with the
2564                mouse and focus _should_ move.
2565
2566            Also in action_end, we simulate an enter event that can't be ignored
2567            so trying to ignore them is futile in case 3 anyways
2568         */
2569
2570         /* replay pending pointer event before hiding the window, in case it
2571            should be going to the window */
2572         mouse_replay_pointer();
2573
2574         frame_hide(self->frame);
2575         hide = TRUE;
2576
2577         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2578            it needs to be in IconicState. This includes when it is on another
2579            desktop!
2580         */
2581         client_change_wm_state(self);
2582
2583         hooks_queue(OB_HOOK_WIN_INVISIBLE, self);
2584     }
2585     return hide;
2586 }
2587
2588 void client_showhide(ObClient *self)
2589 {
2590     if (!client_show(self))
2591         client_hide(self);
2592 }
2593
2594 gboolean client_normal(ObClient *self) {
2595     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2596               self->type == OB_CLIENT_TYPE_DOCK ||
2597               self->type == OB_CLIENT_TYPE_SPLASH);
2598 }
2599
2600 gboolean client_helper(ObClient *self)
2601 {
2602     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2603             self->type == OB_CLIENT_TYPE_MENU ||
2604             self->type == OB_CLIENT_TYPE_TOOLBAR);
2605 }
2606
2607 gboolean client_mouse_focusable(ObClient *self)
2608 {
2609     return !(self->type == OB_CLIENT_TYPE_MENU ||
2610              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2611              self->type == OB_CLIENT_TYPE_SPLASH ||
2612              self->type == OB_CLIENT_TYPE_DOCK);
2613 }
2614
2615 gboolean client_enter_focusable(ObClient *self)
2616 {
2617     /* you can focus desktops but it shouldn't on enter */
2618     return (client_mouse_focusable(self) &&
2619             self->type != OB_CLIENT_TYPE_DESKTOP);
2620 }
2621
2622 static void client_apply_startup_state(ObClient *self,
2623                                        gint x, gint y, gint w, gint h)
2624 {
2625     /* save the states that we are going to apply */
2626     gboolean iconic = self->iconic;
2627     gboolean fullscreen = self->fullscreen;
2628     gboolean undecorated = self->undecorated;
2629     gboolean shaded = self->shaded;
2630     gboolean demands_attention = self->demands_attention;
2631     gboolean max_horz = self->max_horz;
2632     gboolean max_vert = self->max_vert;
2633     Rect oldarea;
2634     gint l;
2635
2636     /* turn them all off in the client, so they won't affect the window
2637        being placed */
2638     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2639         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2640
2641     /* move the client to its placed position, or it it's already there,
2642        generate a ConfigureNotify telling the client where it is.
2643
2644        do this after adjusting the frame. otherwise it gets all weird and
2645        clients don't work right
2646
2647        do this before applying the states so they have the correct
2648        pre-max/pre-fullscreen values
2649     */
2650     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2651     ob_debug("placed window 0x%x at %d, %d with size %d x %d",
2652              self->window, x, y, w, h);
2653     /* save the area, and make it where it should be for the premax stuff */
2654     oldarea = self->area;
2655     RECT_SET(self->area, x, y, w, h);
2656
2657     /* apply the states. these are in a carefully crafted order.. */
2658
2659     if (iconic)
2660         client_iconify(self, TRUE, FALSE, TRUE);
2661     if (fullscreen)
2662         client_fullscreen(self, TRUE);
2663     if (undecorated)
2664         client_set_undecorated(self, TRUE);
2665     if (shaded)
2666         client_shade(self, TRUE);
2667     if (demands_attention)
2668         client_hilite(self, TRUE);
2669
2670     if (max_vert && max_horz)
2671         client_maximize(self, TRUE, 0);
2672     else if (max_vert)
2673         client_maximize(self, TRUE, 2);
2674     else if (max_horz)
2675         client_maximize(self, TRUE, 1);
2676
2677     /* if the window hasn't been configured yet, then do so now, in fact the
2678        x,y,w,h may _not_ be the same as the area rect, which can end up
2679        meaning that the client isn't properly moved/resized by the fullscreen
2680        function
2681        pho can cause this because it maps at size of the screen but not 0,0
2682        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2683        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2684        cuz thats where the pre-fullscreen will be. however the actual area is
2685        not, so this needs to be called even if we have fullscreened/maxed
2686     */
2687     self->area = oldarea;
2688     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2689
2690     /* set the desktop hint, to make sure that it always exists */
2691     OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, self->desktop);
2692
2693     /* nothing to do for the other states:
2694        skip_taskbar
2695        skip_pager
2696        modal
2697        above
2698        below
2699     */
2700 }
2701
2702 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2703 {
2704     /* these should be the current values. this is for when you're not moving,
2705        just resizing */
2706     g_assert(*x == self->area.x);
2707     g_assert(oldw == self->area.width);
2708
2709     /* horizontal */
2710     switch (self->gravity) {
2711     default:
2712     case NorthWestGravity:
2713     case WestGravity:
2714     case SouthWestGravity:
2715     case StaticGravity:
2716     case ForgetGravity:
2717         break;
2718     case NorthGravity:
2719     case CenterGravity:
2720     case SouthGravity:
2721         *x -= (neww - oldw) / 2;
2722         break;
2723     case NorthEastGravity:
2724     case EastGravity:
2725     case SouthEastGravity:
2726         *x -= neww - oldw;
2727         break;
2728     }
2729 }
2730
2731 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2732 {
2733     /* these should be the current values. this is for when you're not moving,
2734        just resizing */
2735     g_assert(*y == self->area.y);
2736     g_assert(oldh == self->area.height);
2737
2738     /* vertical */
2739     switch (self->gravity) {
2740     default:
2741     case NorthWestGravity:
2742     case NorthGravity:
2743     case NorthEastGravity:
2744     case StaticGravity:
2745     case ForgetGravity:
2746         break;
2747     case WestGravity:
2748     case CenterGravity:
2749     case EastGravity:
2750         *y -= (newh - oldh) / 2;
2751         break;
2752     case SouthWestGravity:
2753     case SouthGravity:
2754     case SouthEastGravity:
2755         *y -= newh - oldh;
2756         break;
2757     }
2758 }
2759
2760 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2761                           gint *logicalw, gint *logicalh,
2762                           gboolean user)
2763 {
2764     Rect desired = {*x, *y, *w, *h};
2765     frame_rect_to_frame(self->frame, &desired);
2766
2767     /* make the frame recalculate its dimensions n shit without changing
2768        anything visible for real, this way the constraints below can work with
2769        the updated frame dimensions. */
2770     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2771
2772     /* gets the frame's position */
2773     frame_client_gravity(self->frame, x, y);
2774
2775     /* these positions are frame positions, not client positions */
2776
2777     /* set the size and position if fullscreen */
2778     if (self->fullscreen) {
2779         Rect *a;
2780         guint i;
2781
2782         i = screen_find_monitor(&desired);
2783         a = screen_physical_area_monitor(i);
2784
2785         *x = a->x;
2786         *y = a->y;
2787         *w = a->width;
2788         *h = a->height;
2789
2790         user = FALSE; /* ignore if the client can't be moved/resized when it
2791                          is fullscreening */
2792
2793         g_free(a);
2794     } else if (self->max_horz || self->max_vert) {
2795         Rect *a;
2796         guint i;
2797
2798         /* use all possible struts when maximizing to the full screen */
2799         i = screen_find_monitor(&desired);
2800         a = screen_area(self->desktop, i,
2801                         (self->max_horz && self->max_vert ? NULL : &desired));
2802
2803         /* set the size and position if maximized */
2804         if (self->max_horz) {
2805             *x = a->x;
2806             *w = a->width - self->frame->size.left - self->frame->size.right;
2807         }
2808         if (self->max_vert) {
2809             *y = a->y;
2810             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2811         }
2812
2813         user = FALSE; /* ignore if the client can't be moved/resized when it
2814                          is maximizing */
2815
2816         g_free(a);
2817     }
2818
2819     /* gets the client's position */
2820     frame_frame_gravity(self->frame, x, y);
2821
2822     /* work within the preferred sizes given by the window, these may have
2823        changed rather than it's requested width and height, so always run
2824        through this code */
2825     {
2826         gint basew, baseh, minw, minh;
2827         gint incw, inch;
2828         gfloat minratio, maxratio;
2829
2830         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2831         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2832         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2833             0 : self->min_ratio;
2834         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2835             0 : self->max_ratio;
2836
2837         /* base size is substituted with min size if not specified */
2838         if (self->base_size.width >= 0 || self->base_size.height >= 0) {
2839             basew = self->base_size.width;
2840             baseh = self->base_size.height;
2841         } else {
2842             basew = self->min_size.width;
2843             baseh = self->min_size.height;
2844         }
2845         /* min size is substituted with base size if not specified */
2846         if (self->min_size.width || self->min_size.height) {
2847             minw = self->min_size.width;
2848             minh = self->min_size.height;
2849         } else {
2850             minw = self->base_size.width;
2851             minh = self->base_size.height;
2852         }
2853
2854         /* This comment is no longer true */
2855         /* if this is a user-requested resize, then check against min/max
2856            sizes */
2857
2858         /* smaller than min size or bigger than max size? */
2859         if (*w > self->max_size.width) *w = self->max_size.width;
2860         if (*w < minw) *w = minw;
2861         if (*h > self->max_size.height) *h = self->max_size.height;
2862         if (*h < minh) *h = minh;
2863
2864         *w -= basew;
2865         *h -= baseh;
2866
2867         /* keep to the increments */
2868         *w /= incw;
2869         *h /= inch;
2870
2871         /* you cannot resize to nothing */
2872         if (basew + *w < 1) *w = 1 - basew;
2873         if (baseh + *h < 1) *h = 1 - baseh;
2874
2875         /* save the logical size */
2876         *logicalw = incw > 1 ? *w : *w + basew;
2877         *logicalh = inch > 1 ? *h : *h + baseh;
2878
2879         *w *= incw;
2880         *h *= inch;
2881
2882         *w += basew;
2883         *h += baseh;
2884
2885         /* adjust the height to match the width for the aspect ratios.
2886            for this, min size is not substituted for base size ever. */
2887         *w -= self->base_size.width;
2888         *h -= self->base_size.height;
2889
2890         if (minratio)
2891             if (*h * minratio > *w) {
2892                 *h = (gint)(*w / minratio);
2893
2894                 /* you cannot resize to nothing */
2895                 if (*h < 1) {
2896                     *h = 1;
2897                     *w = (gint)(*h * minratio);
2898                 }
2899             }
2900         if (maxratio)
2901             if (*h * maxratio < *w) {
2902                 *h = (gint)(*w / maxratio);
2903
2904                 /* you cannot resize to nothing */
2905                 if (*h < 1) {
2906                     *h = 1;
2907                     *w = (gint)(*h * minratio);
2908                 }
2909             }
2910
2911         *w += self->base_size.width;
2912         *h += self->base_size.height;
2913     }
2914
2915     /* these override the above states! if you cant move you can't move! */
2916     if (user) {
2917         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2918             *x = self->area.x;
2919             *y = self->area.y;
2920         }
2921         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2922             *w = self->area.width;
2923             *h = self->area.height;
2924         }
2925     }
2926
2927     g_assert(*w > 0);
2928     g_assert(*h > 0);
2929 }
2930
2931 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2932                       gboolean user, gboolean final, gboolean force_reply)
2933 {
2934     Rect oldframe;
2935     gint oldw, oldh;
2936     gboolean send_resize_client;
2937     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2938     gboolean fmoved, fresized;
2939     guint fdecor = self->frame->decorations;
2940     gboolean fhorz = self->frame->max_horz;
2941     gboolean fvert = self->frame->max_vert;
2942     gint logicalw, logicalh;
2943
2944     /* find the new x, y, width, and height (and logical size) */
2945     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2946
2947     /* set the logical size if things changed */
2948     if (!(w == self->area.width && h == self->area.height))
2949         SIZE_SET(self->logical_size, logicalw, logicalh);
2950
2951     /* figure out if we moved or resized or what */
2952     moved = (x != self->area.x || y != self->area.y);
2953     resized = (w != self->area.width || h != self->area.height);
2954
2955     oldw = self->area.width;
2956     oldh = self->area.height;
2957     oldframe = self->frame->area;
2958     RECT_SET(self->area, x, y, w, h);
2959
2960     /* for app-requested resizes, always resize if 'resized' is true.
2961        for user-requested ones, only resize if final is true, or when
2962        resizing in redraw mode */
2963     send_resize_client = ((!user && resized) ||
2964                           (user && (final ||
2965                                     (resized && config_resize_redraw))));
2966
2967     /* if the client is enlarging, then resize the client before the frame */
2968     if (send_resize_client && (w > oldw || h > oldh)) {
2969         XMoveResizeWindow(obt_display, self->window,
2970                           self->frame->size.left, self->frame->size.top,
2971                           MAX(w, oldw), MAX(h, oldh));
2972         frame_adjust_client_area(self->frame);
2973     }
2974
2975     /* find the frame's dimensions and move/resize it */
2976     fmoved = moved;
2977     fresized = resized;
2978
2979     /* if decorations changed, then readjust everything for the frame */
2980     if (self->decorations != fdecor ||
2981         self->max_horz != fhorz || self->max_vert != fvert)
2982     {
2983         fmoved = fresized = TRUE;
2984     }
2985
2986     /* adjust the frame */
2987     if (fmoved || fresized) {
2988         gulong ignore_start;
2989         if (!user)
2990             ignore_start = event_start_ignore_all_enters();
2991
2992         /* replay pending pointer event before move the window, in case it
2993            would change what window gets the event */
2994         mouse_replay_pointer();
2995
2996         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2997
2998         if (!user)
2999             event_end_ignore_all_enters(ignore_start);
3000     }
3001
3002     if (!user || final) {
3003         gint oldrx = self->root_pos.x;
3004         gint oldry = self->root_pos.y;
3005         /* we have reset the client to 0 border width, so don't include
3006            it in these coords */
3007         POINT_SET(self->root_pos,
3008                   self->frame->area.x + self->frame->size.left -
3009                   self->border_width,
3010                   self->frame->area.y + self->frame->size.top -
3011                   self->border_width);
3012         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3013             rootmoved = TRUE;
3014     }
3015
3016     /* This is kinda tricky and should not be changed.. let me explain!
3017
3018        When user = FALSE, then the request is coming from the application
3019        itself, and we are more strict about when to send a synthetic
3020        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3021        in this case (if force_reply is true)
3022
3023        When user = TRUE, then the request is coming from "us", like when we
3024        maximize a window or something.  In this case we are more lenient.  We
3025        used to follow the same rules as above, but _Java_ Swing can't handle
3026        this. So just to appease Swing, when user = TRUE, we always send
3027        a synthetic ConfigureNotify to give the window its root coordinates.
3028     */
3029     if ((!user && !resized && (rootmoved || force_reply)) ||
3030         (user && final && rootmoved))
3031     {
3032         XEvent event;
3033
3034         event.type = ConfigureNotify;
3035         event.xconfigure.display = obt_display;
3036         event.xconfigure.event = self->window;
3037         event.xconfigure.window = self->window;
3038
3039         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d",
3040                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3041
3042         /* root window real coords */
3043         event.xconfigure.x = self->root_pos.x;
3044         event.xconfigure.y = self->root_pos.y;
3045         event.xconfigure.width = w;
3046         event.xconfigure.height = h;
3047         event.xconfigure.border_width = self->border_width;
3048         event.xconfigure.above = None;
3049         event.xconfigure.override_redirect = FALSE;
3050         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3051                    FALSE, StructureNotifyMask, &event);
3052     }
3053
3054     /* if the client is shrinking, then resize the frame before the client.
3055
3056        both of these resize sections may run, because the top one only resizes
3057        in the direction that is growing
3058      */
3059     if (send_resize_client && (w <= oldw || h <= oldh)) {
3060         frame_adjust_client_area(self->frame);
3061         XMoveResizeWindow(obt_display, self->window,
3062                           self->frame->size.left, self->frame->size.top, w, h);
3063     }
3064
3065     XFlush(obt_display);
3066
3067     /* if it moved between monitors, then this can affect the stacking
3068        layer of this window or others - for fullscreen windows */
3069     if (screen_find_monitor(&self->frame->area) !=
3070         screen_find_monitor(&oldframe))
3071     {
3072         client_calc_layer(self);
3073     }
3074 }
3075
3076 void client_fullscreen(ObClient *self, gboolean fs)
3077 {
3078     gint x, y, w, h;
3079
3080     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3081         self->fullscreen == fs) return;                   /* already done */
3082
3083     self->fullscreen = fs;
3084     client_change_state(self); /* change the state hints on the client */
3085
3086     if (fs) {
3087         self->pre_fullscreen_area = self->area;
3088         /* if the window is maximized, its area isn't all that meaningful.
3089            save its premax area instead. */
3090         if (self->max_horz) {
3091             self->pre_fullscreen_area.x = self->pre_max_area.x;
3092             self->pre_fullscreen_area.width = self->pre_max_area.width;
3093         }
3094         if (self->max_vert) {
3095             self->pre_fullscreen_area.y = self->pre_max_area.y;
3096             self->pre_fullscreen_area.height = self->pre_max_area.height;
3097         }
3098
3099         /* these will help configure_full figure out where to fullscreen
3100            the window */
3101         x = self->area.x;
3102         y = self->area.y;
3103         w = self->area.width;
3104         h = self->area.height;
3105     } else {
3106         g_assert(self->pre_fullscreen_area.width > 0 &&
3107                  self->pre_fullscreen_area.height > 0);
3108
3109         x = self->pre_fullscreen_area.x;
3110         y = self->pre_fullscreen_area.y;
3111         w = self->pre_fullscreen_area.width;
3112         h = self->pre_fullscreen_area.height;
3113         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3114     }
3115
3116     ob_debug("Window %s going fullscreen (%d)",
3117              self->title, self->fullscreen);
3118
3119     client_setup_decor_and_functions(self, FALSE);
3120     client_move_resize(self, x, y, w, h);
3121
3122     /* and adjust our layer/stacking. do this after resizing the window,
3123        and applying decorations, because windows which fill the screen are
3124        considered "fullscreen" and it affects their layer */
3125     client_calc_layer(self);
3126
3127     if (fs) {
3128         /* try focus us when we go into fullscreen mode */
3129         client_focus(self);
3130     }
3131 }
3132
3133 static void client_iconify_recursive(ObClient *self,
3134                                      gboolean iconic, gboolean curdesk,
3135                                      gboolean hide_animation)
3136 {
3137     GSList *it;
3138     gboolean changed = FALSE;
3139
3140     if (self->iconic != iconic) {
3141         ob_debug("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
3142                  self->window);
3143
3144         if (iconic) {
3145             /* don't let non-normal windows iconify along with their parents
3146                or whatever */
3147             if (client_normal(self)) {
3148                 self->iconic = iconic;
3149
3150                 /* update the focus lists.. iconic windows go to the bottom of
3151                    the list */
3152                 focus_order_to_bottom(self);
3153
3154                 changed = TRUE;
3155             }
3156         } else {
3157             self->iconic = iconic;
3158
3159             if (curdesk && self->desktop != screen_desktop &&
3160                 self->desktop != DESKTOP_ALL)
3161                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3162
3163             /* this puts it after the current focused window */
3164             focus_order_remove(self);
3165             focus_order_add_new(self);
3166
3167             changed = TRUE;
3168         }
3169     }
3170
3171     if (changed) {
3172         client_change_state(self);
3173         if (config_animate_iconify && !hide_animation)
3174             frame_begin_iconify_animation(self->frame, iconic);
3175         /* do this after starting the animation so it doesn't flash */
3176         client_showhide(self);
3177
3178         hooks_queue((iconic ? OB_HOOK_WIN_ICONIC : OB_HOOK_WIN_UNICONIC),
3179                     self);
3180     }
3181
3182     /* iconify all direct transients, and deiconify all transients
3183        (non-direct too) */
3184     for (it = self->transients; it; it = g_slist_next(it))
3185         if (it->data != self)
3186             if (client_is_direct_child(self, it->data) || !iconic)
3187                 client_iconify_recursive(it->data, iconic, curdesk,
3188                                          hide_animation);
3189 }
3190
3191 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3192                     gboolean hide_animation)
3193 {
3194     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3195         /* move up the transient chain as far as possible first */
3196         self = client_search_top_direct_parent(self);
3197         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3198     }
3199 }
3200
3201 void client_maximize(ObClient *self, gboolean max, gint dir)
3202 {
3203     gint x, y, w, h;
3204
3205     g_assert(dir == 0 || dir == 1 || dir == 2);
3206     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && max) return;/* can't */
3207
3208     /* check if already done */
3209     if (max) {
3210         if (dir == 0 && self->max_horz && self->max_vert) return;
3211         if (dir == 1 && self->max_horz) return;
3212         if (dir == 2 && self->max_vert) return;
3213     } else {
3214         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3215         if (dir == 1 && !self->max_horz) return;
3216         if (dir == 2 && !self->max_vert) return;
3217     }
3218
3219     /* these will help configure_full figure out which screen to fill with
3220        the window */
3221     x = self->area.x;
3222     y = self->area.y;
3223     w = self->area.width;
3224     h = self->area.height;
3225
3226     if (max) {
3227         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3228             RECT_SET(self->pre_max_area,
3229                      self->area.x, self->pre_max_area.y,
3230                      self->area.width, self->pre_max_area.height);
3231         }
3232         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3233             RECT_SET(self->pre_max_area,
3234                      self->pre_max_area.x, self->area.y,
3235                      self->pre_max_area.width, self->area.height);
3236         }
3237     } else {
3238         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3239             g_assert(self->pre_max_area.width > 0);
3240
3241             x = self->pre_max_area.x;
3242             w = self->pre_max_area.width;
3243
3244             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3245                      0, self->pre_max_area.height);
3246         }
3247         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3248             g_assert(self->pre_max_area.height > 0);
3249
3250             y = self->pre_max_area.y;
3251             h = self->pre_max_area.height;
3252
3253             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3254                      self->pre_max_area.width, 0);
3255         }
3256     }
3257
3258     if (dir == 0 || dir == 1) /* horz */
3259         self->max_horz = max;
3260     if (dir == 0 || dir == 2) /* vert */
3261         self->max_vert = max;
3262
3263     client_change_state(self); /* change the state hints on the client */
3264
3265     client_setup_decor_and_functions(self, FALSE);
3266     client_move_resize(self, x, y, w, h);
3267
3268     hooks_queue((max ? OB_HOOK_WIN_MAX : OB_HOOK_WIN_UNMAX), self);
3269 }
3270
3271 void client_shade(ObClient *self, gboolean shade)
3272 {
3273     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3274          shade) ||                         /* can't shade */
3275         self->shaded == shade) return;     /* already done */
3276
3277     self->shaded = shade;
3278     client_change_state(self);
3279     client_change_wm_state(self); /* the window is being hidden/shown */
3280     /* resize the frame to just the titlebar */
3281     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3282
3283     hooks_queue((shade ? OB_HOOK_WIN_SHADE : OB_HOOK_WIN_UNSHADE), self);
3284 }
3285
3286 static void client_ping_event(ObClient *self, gboolean dead)
3287 {
3288     if (self->not_responding != dead) {
3289         self->not_responding = dead;
3290         client_update_title(self);
3291
3292         if (dead)
3293             /* the client isn't responding, so ask to kill it */
3294             client_prompt_kill(self);
3295         else {
3296             /* it came back to life ! */
3297
3298             if (self->kill_prompt) {
3299                 prompt_unref(self->kill_prompt);
3300                 self->kill_prompt = NULL;
3301             }
3302
3303             self->kill_level = 0;
3304         }
3305     }
3306 }
3307
3308 void client_close(ObClient *self)
3309 {
3310     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3311
3312     /* if closing an internal obprompt, that is just cancelling it */
3313     if (self->prompt) {
3314         prompt_cancel(self->prompt);
3315         return;
3316     }
3317
3318     /* in the case that the client provides no means to requesting that it
3319        close, we just kill it */
3320     if (!self->delete_window)
3321         /* don't use client_kill(), we should only kill based on PID in
3322            response to a lack of PING replies */
3323         XKillClient(obt_display, self->window);
3324     else {
3325         /* request the client to close with WM_DELETE_WINDOW */
3326         OBT_PROP_MSG_TO(self->window, self->window, WM_PROTOCOLS,
3327                         OBT_PROP_ATOM(WM_DELETE_WINDOW), event_curtime,
3328                         0, 0, 0, NoEventMask);
3329
3330         /* we're trying to close the window, so see if it is responding. if it
3331            is not, then we will let them kill the window */
3332         if (self->ping)
3333             ping_start(self, client_ping_event);
3334
3335         /* if we already know the window isn't responding (maybe they clicked
3336            no in the kill dialog but it hasn't come back to life), then show
3337            the kill dialog */
3338         if (self->not_responding)
3339             client_prompt_kill(self);
3340     }
3341 }
3342
3343 #define OB_KILL_RESULT_NO 0
3344 #define OB_KILL_RESULT_YES 1
3345
3346 static gboolean client_kill_requested(ObPrompt *p, gint result, gpointer data)
3347 {
3348     ObClient *self = data;
3349
3350     if (result == OB_KILL_RESULT_YES)
3351         client_kill(self);
3352     return TRUE; /* call the cleanup func */
3353 }
3354
3355 static void client_kill_cleanup(ObPrompt *p, gpointer data)
3356 {
3357     ObClient *self = data;
3358
3359     g_assert(p == self->kill_prompt);
3360
3361     prompt_unref(self->kill_prompt);
3362     self->kill_prompt = NULL;
3363 }
3364
3365 static void client_prompt_kill(ObClient *self)
3366 {
3367     /* check if we're already prompting */
3368     if (!self->kill_prompt) {
3369         ObPromptAnswer answers[] = {
3370             { 0, OB_KILL_RESULT_NO },
3371             { 0, OB_KILL_RESULT_YES }
3372         };
3373         gchar *m;
3374         const gchar *y, *title;
3375
3376         title = self->original_title;
3377         if (title[0] == '\0') {
3378             /* empty string, so use its parent */
3379             ObClient *p = client_search_top_direct_parent(self);
3380             if (p) title = p->original_title;
3381         }
3382
3383         if (client_on_localhost(self)) {
3384             const gchar *sig;
3385
3386             if (self->kill_level == 0)
3387                 sig = "terminate";
3388             else
3389                 sig = "kill";
3390
3391             m = g_strdup_printf
3392                 (_("The window \"%s\" does not seem to be responding.  Do you want to force it to exit by sending the %s signal?"),
3393                  title, sig);
3394             y = _("End Process");
3395         }
3396         else {
3397             m = g_strdup_printf
3398                 (_("The window \"%s\" does not seem to be responding.  Do you want to disconnect it from the X server?"),
3399                  title);
3400             y = _("Disconnect");
3401         }
3402         /* set the dialog buttons' text */
3403         answers[0].text = _("Cancel");  /* "no" */
3404         answers[1].text = y;            /* "yes" */
3405
3406         self->kill_prompt = prompt_new(m, NULL, answers,
3407                                        sizeof(answers)/sizeof(answers[0]),
3408                                        OB_KILL_RESULT_NO, /* default = no */
3409                                        OB_KILL_RESULT_NO, /* cancel = no */
3410                                        client_kill_requested,
3411                                        client_kill_cleanup,
3412                                        self);
3413         g_free(m);
3414     }
3415
3416     prompt_show(self->kill_prompt, self, TRUE);
3417 }
3418
3419 void client_kill(ObClient *self)
3420 {
3421     /* don't kill our own windows */
3422     if (self->prompt) return;
3423
3424     if (client_on_localhost(self) && self->pid) {
3425         /* running on the local host */
3426         if (self->kill_level == 0) {
3427             ob_debug("killing window 0x%x with pid %lu, with SIGTERM",
3428                      self->window, self->pid);
3429             kill(self->pid, SIGTERM);
3430             ++self->kill_level;
3431
3432             /* show that we're trying to kill it */
3433             client_update_title(self);
3434         }
3435         else {
3436             ob_debug("killing window 0x%x with pid %lu, with SIGKILL",
3437                      self->window, self->pid);
3438             kill(self->pid, SIGKILL); /* kill -9 */
3439         }
3440     }
3441     else {
3442         /* running on a remote host */
3443         XKillClient(obt_display, self->window);
3444     }
3445 }
3446
3447 void client_hilite(ObClient *self, gboolean hilite)
3448 {
3449     if (self->demands_attention == hilite)
3450         return; /* no change */
3451
3452     /* don't allow focused windows to hilite */
3453     self->demands_attention = hilite && !client_focused(self);
3454     if (self->frame != NULL) { /* if we're mapping, just set the state */
3455         if (self->demands_attention)
3456             frame_flash_start(self->frame);
3457         else
3458             frame_flash_stop(self->frame);
3459         client_change_state(self);
3460     }
3461 }
3462
3463 static void client_set_desktop_recursive(ObClient *self,
3464                                          guint target,
3465                                          gboolean donthide,
3466                                          gboolean dontraise)
3467 {
3468     guint old;
3469     GSList *it;
3470
3471     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3472
3473         ob_debug("Setting desktop %u", target+1);
3474
3475         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3476
3477         old = self->desktop;
3478         self->desktop = target;
3479         OBT_PROP_SET32(self->window, NET_WM_DESKTOP, CARDINAL, target);
3480         /* the frame can display the current desktop state */
3481         frame_adjust_state(self->frame);
3482         /* 'move' the window to the new desktop */
3483         if (!donthide)
3484             client_hide(self);
3485         client_show(self);
3486         /* raise if it was not already on the desktop */
3487         if (old != DESKTOP_ALL && !dontraise)
3488             stacking_raise(CLIENT_AS_WINDOW(self));
3489         if (STRUT_EXISTS(self->strut))
3490             screen_update_areas();
3491         else
3492             /* the new desktop's geometry may be different, so we may need to
3493                resize, for example if we are maximized */
3494             client_reconfigure(self, FALSE);
3495
3496         if (old != self->desktop)
3497             hooks_queue(OB_HOOK_WIN_DESK_CHANGE, self);
3498     }
3499
3500     /* move all transients */
3501     for (it = self->transients; it; it = g_slist_next(it))
3502         if (it->data != self)
3503             if (client_is_direct_child(self, it->data))
3504                 client_set_desktop_recursive(it->data, target,
3505                                              donthide, dontraise);
3506 }
3507
3508 void client_set_desktop(ObClient *self, guint target,
3509                         gboolean donthide, gboolean dontraise)
3510 {
3511     self = client_search_top_direct_parent(self);
3512     client_set_desktop_recursive(self, target, donthide, dontraise);
3513 }
3514
3515 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3516 {
3517     while (child != parent && (child = client_direct_parent(child)));
3518     return child == parent;
3519 }
3520
3521 ObClient *client_search_modal_child(ObClient *self)
3522 {
3523     GSList *it;
3524     ObClient *ret;
3525
3526     for (it = self->transients; it; it = g_slist_next(it)) {
3527         ObClient *c = it->data;
3528         if ((ret = client_search_modal_child(c))) return ret;
3529         if (c->modal) return c;
3530     }
3531     return NULL;
3532 }
3533
3534 gboolean client_validate(ObClient *self)
3535 {
3536     XEvent e;
3537
3538     XSync(obt_display, FALSE); /* get all events on the server */
3539
3540     if (XCheckTypedWindowEvent(obt_display, self->window, DestroyNotify, &e) ||
3541         XCheckTypedWindowEvent(obt_display, self->window, UnmapNotify, &e))
3542     {
3543         XPutBackEvent(obt_display, &e);
3544         return FALSE;
3545     }
3546
3547     return TRUE;
3548 }
3549
3550 void client_set_wm_state(ObClient *self, glong state)
3551 {
3552     if (state == self->wmstate) return; /* no change */
3553
3554     switch (state) {
3555     case IconicState:
3556         client_iconify(self, TRUE, TRUE, FALSE);
3557         break;
3558     case NormalState:
3559         client_iconify(self, FALSE, TRUE, FALSE);
3560         break;
3561     }
3562 }
3563
3564 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3565 {
3566     gboolean shaded = self->shaded;
3567     gboolean fullscreen = self->fullscreen;
3568     gboolean undecorated = self->undecorated;
3569     gboolean max_horz = self->max_horz;
3570     gboolean max_vert = self->max_vert;
3571     gboolean modal = self->modal;
3572     gboolean iconic = self->iconic;
3573     gboolean demands_attention = self->demands_attention;
3574     gboolean above = self->above;
3575     gboolean below = self->below;
3576     gint i;
3577     gboolean value;
3578
3579     if (!(action == OBT_PROP_ATOM(NET_WM_STATE_ADD) ||
3580           action == OBT_PROP_ATOM(NET_WM_STATE_REMOVE) ||
3581           action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)))
3582         /* an invalid action was passed to the client message, ignore it */
3583         return;
3584
3585     for (i = 0; i < 2; ++i) {
3586         Atom state = i == 0 ? data1 : data2;
3587
3588         if (!state) continue;
3589
3590         /* if toggling, then pick whether we're adding or removing */
3591         if (action == OBT_PROP_ATOM(NET_WM_STATE_TOGGLE)) {
3592             if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL))
3593                 value = modal;
3594             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT))
3595                 value = self->max_vert;
3596             else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ))
3597                 value = self->max_horz;
3598             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED))
3599                 value = shaded;
3600             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR))
3601                 value = self->skip_taskbar;
3602             else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER))
3603                 value = self->skip_pager;
3604             else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN))
3605                 value = self->iconic;
3606             else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN))
3607                 value = fullscreen;
3608             else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE))
3609                 value = self->above;
3610             else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW))
3611                 value = self->below;
3612             else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION))
3613                 value = self->demands_attention;
3614             else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED))
3615                 value = undecorated;
3616             action = value ? OBT_PROP_ATOM(NET_WM_STATE_REMOVE) :
3617                              OBT_PROP_ATOM(NET_WM_STATE_ADD);
3618         }
3619
3620         value = action == OBT_PROP_ATOM(NET_WM_STATE_ADD);
3621         if (state == OBT_PROP_ATOM(NET_WM_STATE_MODAL)) {
3622             modal = value;
3623         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_VERT)) {
3624             max_vert = value;
3625         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_MAXIMIZED_HORZ)) {
3626             max_horz = value;
3627         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SHADED)) {
3628             shaded = value;
3629         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_TASKBAR)) {
3630             self->skip_taskbar = value;
3631         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_SKIP_PAGER)) {
3632             self->skip_pager = value;
3633         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_HIDDEN)) {
3634             iconic = value;
3635         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_FULLSCREEN)) {
3636             fullscreen = value;
3637         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_ABOVE)) {
3638             above = value;
3639             /* only unset below when setting above, otherwise you can't get to
3640                the normal layer */
3641             if (value)
3642                 below = FALSE;
3643         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_BELOW)) {
3644             /* and vice versa */
3645             if (value)
3646                 above = FALSE;
3647             below = value;
3648         } else if (state == OBT_PROP_ATOM(NET_WM_STATE_DEMANDS_ATTENTION)){
3649             demands_attention = value;
3650         } else if (state == OBT_PROP_ATOM(OB_WM_STATE_UNDECORATED)) {
3651             undecorated = value;
3652         }
3653     }
3654
3655     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3656         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3657             /* toggling both */
3658             if (max_horz == max_vert) { /* both going the same way */
3659                 client_maximize(self, max_horz, 0);
3660             } else {
3661                 client_maximize(self, max_horz, 1);
3662                 client_maximize(self, max_vert, 2);
3663             }
3664         } else {
3665             /* toggling one */
3666             if (max_horz != self->max_horz)
3667                 client_maximize(self, max_horz, 1);
3668             else
3669                 client_maximize(self, max_vert, 2);
3670         }
3671     }
3672     /* change fullscreen state before shading, as it will affect if the window
3673        can shade or not */
3674     if (fullscreen != self->fullscreen)
3675         client_fullscreen(self, fullscreen);
3676     if (shaded != self->shaded)
3677         client_shade(self, shaded);
3678     if (undecorated != self->undecorated)
3679         client_set_undecorated(self, undecorated);
3680     if (above != self->above || below != self->below) {
3681         self->above = above;
3682         self->below = below;
3683         client_calc_layer(self);
3684     }
3685
3686     if (modal != self->modal) {
3687         self->modal = modal;
3688         /* when a window changes modality, then its stacking order with its
3689            transients needs to change */
3690         stacking_raise(CLIENT_AS_WINDOW(self));
3691
3692         /* it also may get focused. if something is focused that shouldn't
3693            be focused anymore, then move the focus */
3694         if (focus_client && client_focus_target(focus_client) != focus_client)
3695             client_focus(focus_client);
3696     }
3697
3698     if (iconic != self->iconic)
3699         client_iconify(self, iconic, FALSE, FALSE);
3700
3701     if (demands_attention != self->demands_attention)
3702         client_hilite(self, demands_attention);
3703
3704     client_change_state(self); /* change the hint to reflect these changes */
3705 }
3706
3707 ObClient *client_focus_target(ObClient *self)
3708 {
3709     ObClient *child = NULL;
3710
3711     child = client_search_modal_child(self);
3712     if (child) return child;
3713     return self;
3714 }
3715
3716 gboolean client_can_focus(ObClient *self)
3717 {
3718     /* choose the correct target */
3719     self = client_focus_target(self);
3720
3721     if (!self->frame->visible)
3722         return FALSE;
3723
3724     if (!(self->can_focus || self->focus_notify))
3725         return FALSE;
3726
3727     return TRUE;
3728 }
3729
3730 gboolean client_focus(ObClient *self)
3731 {
3732     /* we might not focus this window, so if we have modal children which would
3733        be focused instead, bring them to this desktop */
3734     client_bring_modal_windows(self);
3735
3736     /* choose the correct target */
3737     self = client_focus_target(self);
3738
3739     if (!client_can_focus(self)) {
3740         ob_debug_type(OB_DEBUG_FOCUS,
3741                       "Client %s can't be focused", self->title);
3742         return FALSE;
3743     }
3744
3745     ob_debug_type(OB_DEBUG_FOCUS,
3746                   "Focusing client \"%s\" (0x%x) at time %u",
3747                   self->title, self->window, event_curtime);
3748
3749     /* if using focus_delay, stop the timer now so that focus doesn't
3750        go moving on us */
3751     event_halt_focus_delay();
3752
3753     event_cancel_all_key_grabs();
3754
3755     obt_display_ignore_errors(TRUE);
3756
3757     if (self->can_focus) {
3758         /* This can cause a BadMatch error with CurrentTime, or if an app
3759            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3760         XSetInputFocus(obt_display, self->window, RevertToPointerRoot,
3761                        event_curtime);
3762     }
3763
3764     if (self->focus_notify) {
3765         XEvent ce;
3766         ce.xclient.type = ClientMessage;
3767         ce.xclient.message_type = OBT_PROP_ATOM(WM_PROTOCOLS);
3768         ce.xclient.display = obt_display;
3769         ce.xclient.window = self->window;
3770         ce.xclient.format = 32;
3771         ce.xclient.data.l[0] = OBT_PROP_ATOM(WM_TAKE_FOCUS);
3772         ce.xclient.data.l[1] = event_curtime;
3773         ce.xclient.data.l[2] = 0l;
3774         ce.xclient.data.l[3] = 0l;
3775         ce.xclient.data.l[4] = 0l;
3776         XSendEvent(obt_display, self->window, FALSE, NoEventMask, &ce);
3777     }
3778
3779     obt_display_ignore_errors(FALSE);
3780
3781     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d",
3782                   obt_display_error_occured);
3783     return !obt_display_error_occured;
3784 }
3785
3786 static void client_present(ObClient *self, gboolean here, gboolean raise,
3787                            gboolean unshade)
3788 {
3789     if (client_normal(self) && screen_showing_desktop)
3790         screen_show_desktop(FALSE, self);
3791     if (self->iconic)
3792         client_iconify(self, FALSE, here, FALSE);
3793     if (self->desktop != DESKTOP_ALL &&
3794         self->desktop != screen_desktop)
3795     {
3796         if (here)
3797             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3798         else
3799             screen_set_desktop(self->desktop, FALSE);
3800     } else if (!self->frame->visible)
3801         /* if its not visible for other reasons, then don't mess
3802            with it */
3803         return;
3804     if (self->shaded && unshade)
3805         client_shade(self, FALSE);
3806     if (raise)
3807         stacking_raise(CLIENT_AS_WINDOW(self));
3808
3809     client_focus(self);
3810 }
3811
3812 /* this function exists to map to the client_activate message in the ewmh,
3813    the user arg is unused because nobody uses it correctly anyway. */
3814 void client_activate(ObClient *self, gboolean here, gboolean raise,
3815                      gboolean unshade, gboolean user)
3816 {
3817     client_present(self, here, raise, unshade);
3818 }
3819
3820 static void client_bring_windows_recursive(ObClient *self,
3821                                            guint desktop,
3822                                            gboolean helpers,
3823                                            gboolean modals,
3824                                            gboolean iconic)
3825 {
3826     GSList *it;
3827
3828     for (it = self->transients; it; it = g_slist_next(it))
3829         client_bring_windows_recursive(it->data, desktop,
3830                                        helpers, modals, iconic);
3831
3832     if (((helpers && client_helper(self)) ||
3833          (modals && self->modal)) &&
3834         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3835          (iconic && self->iconic)))
3836     {
3837         if (iconic && self->iconic)
3838             client_iconify(self, FALSE, TRUE, FALSE);
3839         else
3840             client_set_desktop(self, desktop, FALSE, FALSE);
3841     }
3842 }
3843
3844 void client_bring_helper_windows(ObClient *self)
3845 {
3846     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3847 }
3848
3849 void client_bring_modal_windows(ObClient *self)
3850 {
3851     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3852 }
3853
3854 gboolean client_focused(ObClient *self)
3855 {
3856     return self == focus_client;
3857 }
3858
3859 RrImage* client_icon(ObClient *self)
3860 {
3861     RrImage *ret = NULL;
3862
3863     if (self->icon_set)
3864         ret = self->icon_set;
3865     else if (self->parents) {
3866         GSList *it;
3867         for (it = self->parents; it && !ret; it = g_slist_next(it))
3868             ret = client_icon(it->data);
3869     }
3870     if (!ret)
3871         ret = client_default_icon;
3872     return ret;
3873 }
3874
3875 void client_set_layer(ObClient *self, gint layer)
3876 {
3877     if (layer < 0) {
3878         self->below = TRUE;
3879         self->above = FALSE;
3880     } else if (layer == 0) {
3881         self->below = self->above = FALSE;
3882     } else {
3883         self->below = FALSE;
3884         self->above = TRUE;
3885     }
3886     client_calc_layer(self);
3887     client_change_state(self); /* reflect this in the state hints */
3888 }
3889
3890 void client_set_undecorated(ObClient *self, gboolean undecorated)
3891 {
3892     if (self->undecorated != undecorated &&
3893         /* don't let it undecorate if the function is missing, but let
3894            it redecorate */
3895         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3896     {
3897         self->undecorated = undecorated;
3898         client_setup_decor_and_functions(self, TRUE);
3899         client_change_state(self); /* reflect this in the state hints */
3900
3901         hooks_queue((undecorated ?
3902                      OB_HOOK_WIN_UNDECORATED : OB_HOOK_WIN_DECORATED), self);
3903     }
3904 }
3905
3906 guint client_monitor(ObClient *self)
3907 {
3908     return screen_find_monitor(&self->frame->area);
3909 }
3910
3911 ObClient *client_direct_parent(ObClient *self)
3912 {
3913     if (!self->parents) return NULL;
3914     if (self->transient_for_group) return NULL;
3915     return self->parents->data;
3916 }
3917
3918 ObClient *client_search_top_direct_parent(ObClient *self)
3919 {
3920     ObClient *p;
3921     while ((p = client_direct_parent(self))) self = p;
3922     return self;
3923 }
3924
3925 static GSList *client_search_all_top_parents_internal(ObClient *self,
3926                                                       gboolean bylayer,
3927                                                       ObStackingLayer layer)
3928 {
3929     GSList *ret;
3930     ObClient *p;
3931
3932     /* move up the direct transient chain as far as possible */
3933     while ((p = client_direct_parent(self)) &&
3934            (!bylayer || p->layer == layer))
3935         self = p;
3936
3937     if (!self->parents)
3938         ret = g_slist_prepend(NULL, self);
3939     else
3940         ret = g_slist_copy(self->parents);
3941
3942     return ret;
3943 }
3944
3945 GSList *client_search_all_top_parents(ObClient *self)
3946 {
3947     return client_search_all_top_parents_internal(self, FALSE, 0);
3948 }
3949
3950 GSList *client_search_all_top_parents_layer(ObClient *self)
3951 {
3952     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3953 }
3954
3955 ObClient *client_search_focus_parent(ObClient *self)
3956 {
3957     GSList *it;
3958
3959     for (it = self->parents; it; it = g_slist_next(it))
3960         if (client_focused(it->data)) return it->data;
3961
3962     return NULL;
3963 }
3964
3965 ObClient *client_search_focus_parent_full(ObClient *self)
3966 {
3967     GSList *it;
3968     ObClient *ret = NULL;
3969
3970     for (it = self->parents; it; it = g_slist_next(it)) {
3971         if (client_focused(it->data))
3972             ret = it->data;
3973         else
3974             ret = client_search_focus_parent_full(it->data);
3975         if (ret) break;
3976     }
3977     return ret;
3978 }
3979
3980 ObClient *client_search_parent(ObClient *self, ObClient *search)
3981 {
3982     GSList *it;
3983
3984     for (it = self->parents; it; it = g_slist_next(it))
3985         if (it->data == search) return search;
3986
3987     return NULL;
3988 }
3989
3990 ObClient *client_search_transient(ObClient *self, ObClient *search)
3991 {
3992     GSList *sit;
3993
3994     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3995         if (sit->data == search)
3996             return search;
3997         if (client_search_transient(sit->data, search))
3998             return search;
3999     }
4000     return NULL;
4001 }
4002
4003 static void detect_edge(Rect area, ObDirection dir,
4004                         gint my_head, gint my_size,
4005                         gint my_edge_start, gint my_edge_size,
4006                         gint *dest, gboolean *near_edge)
4007 {
4008     gint edge_start, edge_size, head, tail;
4009     gboolean skip_head = FALSE, skip_tail = FALSE;
4010
4011     switch (dir) {
4012         case OB_DIRECTION_NORTH:
4013         case OB_DIRECTION_SOUTH:
4014             edge_start = area.x;
4015             edge_size = area.width;
4016             break;
4017         case OB_DIRECTION_EAST:
4018         case OB_DIRECTION_WEST:
4019             edge_start = area.y;
4020             edge_size = area.height;
4021             break;
4022         default:
4023             g_assert_not_reached();
4024     }
4025
4026     /* do we collide with this window? */
4027     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
4028                 edge_start, edge_size))
4029         return;
4030
4031     switch (dir) {
4032         case OB_DIRECTION_NORTH:
4033             head = RECT_BOTTOM(area);
4034             tail = RECT_TOP(area);
4035             break;
4036         case OB_DIRECTION_SOUTH:
4037             head = RECT_TOP(area);
4038             tail = RECT_BOTTOM(area);
4039             break;
4040         case OB_DIRECTION_WEST:
4041             head = RECT_RIGHT(area);
4042             tail = RECT_LEFT(area);
4043             break;
4044         case OB_DIRECTION_EAST:
4045             head = RECT_LEFT(area);
4046             tail = RECT_RIGHT(area);
4047             break;
4048         default:
4049             g_assert_not_reached();
4050     }
4051     switch (dir) {
4052         case OB_DIRECTION_NORTH:
4053         case OB_DIRECTION_WEST:
4054             /* check if our window is past the head of this window */
4055             if (my_head <= head + 1)
4056                 skip_head = TRUE;
4057             /* check if our window's tail is past the tail of this window */
4058             if (my_head + my_size - 1 <= tail)
4059                 skip_tail = TRUE;
4060             /* check if the head of this window is closer than the previously
4061                chosen edge (take into account that the previously chosen
4062                edge might have been a tail, not a head) */
4063             if (head + (*near_edge ? 0 : my_size) <= *dest)
4064                 skip_head = TRUE;
4065             /* check if the tail of this window is closer than the previously
4066                chosen edge (take into account that the previously chosen
4067                edge might have been a head, not a tail) */
4068             if (tail - (!*near_edge ? 0 : my_size) <= *dest)
4069                 skip_tail = TRUE;
4070             break;
4071         case OB_DIRECTION_SOUTH:
4072         case OB_DIRECTION_EAST:
4073             /* check if our window is past the head of this window */
4074             if (my_head >= head - 1)
4075                 skip_head = TRUE;
4076             /* check if our window's tail is past the tail of this window */
4077             if (my_head - my_size + 1 >= tail)
4078                 skip_tail = TRUE;
4079             /* check if the head of this window is closer than the previously
4080                chosen edge (take into account that the previously chosen
4081                edge might have been a tail, not a head) */
4082             if (head - (*near_edge ? 0 : my_size) >= *dest)
4083                 skip_head = TRUE;
4084             /* check if the tail of this window is closer than the previously
4085                chosen edge (take into account that the previously chosen
4086                edge might have been a head, not a tail) */
4087             if (tail + (!*near_edge ? 0 : my_size) >= *dest)
4088                 skip_tail = TRUE;
4089             break;
4090         default:
4091             g_assert_not_reached();
4092     }
4093
4094     ob_debug("my head %d size %d", my_head, my_size);
4095     ob_debug("head %d tail %d dest %d", head, tail, *dest);
4096     if (!skip_head) {
4097         ob_debug("using near edge %d", head);
4098         *dest = head;
4099         *near_edge = TRUE;
4100     }
4101     else if (!skip_tail) {
4102         ob_debug("using far edge %d", tail);
4103         *dest = tail;
4104         *near_edge = FALSE;
4105     }
4106 }
4107
4108 void client_find_edge_directional(ObClient *self, ObDirection dir,
4109                                   gint my_head, gint my_size,
4110                                   gint my_edge_start, gint my_edge_size,
4111                                   gint *dest, gboolean *near_edge)
4112 {
4113     GList *it;
4114     Rect *a, *mon;
4115     Rect dock_area;
4116     gint edge;
4117
4118     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
4119                     &self->frame->area);
4120     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
4121                       &self->frame->area);
4122
4123     switch (dir) {
4124     case OB_DIRECTION_NORTH:
4125         if (my_head >= RECT_TOP(*mon) + 1)
4126             edge = RECT_TOP(*mon) - 1;
4127         else
4128             edge = RECT_TOP(*a) - 1;
4129         break;
4130     case OB_DIRECTION_SOUTH:
4131         if (my_head <= RECT_BOTTOM(*mon) - 1)
4132             edge = RECT_BOTTOM(*mon) + 1;
4133         else
4134             edge = RECT_BOTTOM(*a) + 1;
4135         break;
4136     case OB_DIRECTION_EAST:
4137         if (my_head <= RECT_RIGHT(*mon) - 1)
4138             edge = RECT_RIGHT(*mon) + 1;
4139         else
4140             edge = RECT_RIGHT(*a) + 1;
4141         break;
4142     case OB_DIRECTION_WEST:
4143         if (my_head >= RECT_LEFT(*mon) + 1)
4144             edge = RECT_LEFT(*mon) - 1;
4145         else
4146             edge = RECT_LEFT(*a) - 1;
4147         break;
4148     default:
4149         g_assert_not_reached();
4150     }
4151     /* default to the far edge, then narrow it down */
4152     *dest = edge;
4153     *near_edge = TRUE;
4154
4155     for (it = client_list; it; it = g_list_next(it)) {
4156         ObClient *cur = it->data;
4157
4158         /* skip windows to not bump into */
4159         if (cur == self)
4160             continue;
4161         if (cur->iconic)
4162             continue;
4163         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4164             cur->desktop != screen_desktop)
4165             continue;
4166
4167         ob_debug("trying window %s", cur->title);
4168
4169         detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
4170                     my_edge_size, dest, near_edge);
4171     }
4172     dock_get_area(&dock_area);
4173     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4174                 my_edge_size, dest, near_edge);
4175     g_free(a);
4176     g_free(mon);
4177 }
4178
4179 void client_find_move_directional(ObClient *self, ObDirection dir,
4180                                   gint *x, gint *y)
4181 {
4182     gint head, size;
4183     gint e, e_start, e_size;
4184     gboolean near;
4185
4186     switch (dir) {
4187     case OB_DIRECTION_EAST:
4188         head = RECT_RIGHT(self->frame->area);
4189         size = self->frame->area.width;
4190         e_start = RECT_TOP(self->frame->area);
4191         e_size = self->frame->area.height;
4192         break;
4193     case OB_DIRECTION_WEST:
4194         head = RECT_LEFT(self->frame->area);
4195         size = self->frame->area.width;
4196         e_start = RECT_TOP(self->frame->area);
4197         e_size = self->frame->area.height;
4198         break;
4199     case OB_DIRECTION_NORTH:
4200         head = RECT_TOP(self->frame->area);
4201         size = self->frame->area.height;
4202         e_start = RECT_LEFT(self->frame->area);
4203         e_size = self->frame->area.width;
4204         break;
4205     case OB_DIRECTION_SOUTH:
4206         head = RECT_BOTTOM(self->frame->area);
4207         size = self->frame->area.height;
4208         e_start = RECT_LEFT(self->frame->area);
4209         e_size = self->frame->area.width;
4210         break;
4211     default:
4212         g_assert_not_reached();
4213     }
4214
4215     client_find_edge_directional(self, dir, head, size,
4216                                  e_start, e_size, &e, &near);
4217     *x = self->frame->area.x;
4218     *y = self->frame->area.y;
4219     switch (dir) {
4220     case OB_DIRECTION_EAST:
4221         if (near) e -= self->frame->area.width;
4222         else      e++;
4223         *x = e;
4224         break;
4225     case OB_DIRECTION_WEST:
4226         if (near) e++;
4227         else      e -= self->frame->area.width;
4228         *x = e;
4229         break;
4230     case OB_DIRECTION_NORTH:
4231         if (near) e++;
4232         else      e -= self->frame->area.height;
4233         *y = e;
4234         break;
4235     case OB_DIRECTION_SOUTH:
4236         if (near) e -= self->frame->area.height;
4237         else      e++;
4238         *y = e;
4239         break;
4240     default:
4241         g_assert_not_reached();
4242     }
4243     frame_frame_gravity(self->frame, x, y);
4244 }
4245
4246 void client_find_resize_directional(ObClient *self, ObDirection side,
4247                                     gboolean grow,
4248                                     gint *x, gint *y, gint *w, gint *h)
4249 {
4250     gint head;
4251     gint e, e_start, e_size, delta;
4252     gboolean near;
4253     ObDirection dir;
4254
4255     switch (side) {
4256     case OB_DIRECTION_EAST:
4257         head = RECT_RIGHT(self->frame->area) +
4258             (self->size_inc.width - 1) * (grow ? 1 : 0);
4259         e_start = RECT_TOP(self->frame->area);
4260         e_size = self->frame->area.height;
4261         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4262         break;
4263     case OB_DIRECTION_WEST:
4264         head = RECT_LEFT(self->frame->area) -
4265             (self->size_inc.width - 1) * (grow ? 1 : 0);
4266         e_start = RECT_TOP(self->frame->area);
4267         e_size = self->frame->area.height;
4268         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4269         break;
4270     case OB_DIRECTION_NORTH:
4271         head = RECT_TOP(self->frame->area) -
4272             (self->size_inc.height - 1) * (grow ? 1 : 0);
4273         e_start = RECT_LEFT(self->frame->area);
4274         e_size = self->frame->area.width;
4275         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4276         break;
4277     case OB_DIRECTION_SOUTH:
4278         head = RECT_BOTTOM(self->frame->area) +
4279             (self->size_inc.height - 1) * (grow ? 1 : 0);
4280         e_start = RECT_LEFT(self->frame->area);
4281         e_size = self->frame->area.width;
4282         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4283         break;
4284     default:
4285         g_assert_not_reached();
4286     }
4287
4288     ob_debug("head %d dir %d", head, dir);
4289     client_find_edge_directional(self, dir, head, 1,
4290                                  e_start, e_size, &e, &near);
4291     ob_debug("edge %d", e);
4292     *x = self->frame->area.x;
4293     *y = self->frame->area.y;
4294     *w = self->frame->area.width;
4295     *h = self->frame->area.height;
4296     switch (side) {
4297     case OB_DIRECTION_EAST:
4298         if (grow == near) --e;
4299         delta = e - RECT_RIGHT(self->frame->area);
4300         *w += delta;
4301         break;
4302     case OB_DIRECTION_WEST:
4303         if (grow == near) ++e;
4304         delta = RECT_LEFT(self->frame->area) - e;
4305         *x -= delta;
4306         *w += delta;
4307         break;
4308     case OB_DIRECTION_NORTH:
4309         if (grow == near) ++e;
4310         delta = RECT_TOP(self->frame->area) - e;
4311         *y -= delta;
4312         *h += delta;
4313         break;
4314     case OB_DIRECTION_SOUTH:
4315         if (grow == near) --e;
4316         delta = e - RECT_BOTTOM(self->frame->area);
4317         *h += delta;
4318         break;
4319     default:
4320         g_assert_not_reached();
4321     }
4322     frame_frame_gravity(self->frame, x, y);
4323     *w -= self->frame->size.left + self->frame->size.right;
4324     *h -= self->frame->size.top + self->frame->size.bottom;
4325 }
4326
4327 ObClient* client_under_pointer(void)
4328 {
4329     gint x, y;
4330     GList *it;
4331     ObClient *ret = NULL;
4332
4333     if (screen_pointer_pos(&x, &y)) {
4334         for (it = stacking_list; it; it = g_list_next(it)) {
4335             if (WINDOW_IS_CLIENT(it->data)) {
4336                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4337                 if (c->frame->visible &&
4338                     /* check the desktop, this is done during desktop
4339                        switching and windows are shown/hidden status is not
4340                        reliable */
4341                     (c->desktop == screen_desktop ||
4342                      c->desktop == DESKTOP_ALL) &&
4343                     /* ignore all animating windows */
4344                     !frame_iconify_animating(c->frame) &&
4345                     RECT_CONTAINS(c->frame->area, x, y))
4346                 {
4347                     ret = c;
4348                     break;
4349                 }
4350             }
4351         }
4352     }
4353     return ret;
4354 }
4355
4356 gboolean client_has_group_siblings(ObClient *self)
4357 {
4358     return self->group && self->group->members->next;
4359 }
4360
4361 /*! Returns TRUE if the client is running on the same machine as Openbox */
4362 gboolean client_on_localhost(ObClient *self)
4363 {
4364     return self->client_machine == NULL;
4365 }