openbox/client.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "client.h"
  21 #include "debug.h"
  22 #include "startupnotify.h"
  23 #include "dock.h"
  24 #include "xerror.h"
  25 #include "screen.h"
  26 #include "moveresize.h"
  27 #include "ping.h"
  28 #include "place.h"
  29 #include "prop.h"
  30 #include "extensions.h"
  31 #include "frame.h"
  32 #include "session.h"
  33 #include "event.h"
  34 #include "grab.h"
  35 #include "prompt.h"
  36 #include "focus.h"
  37 #include "stacking.h"
  38 #include "openbox.h"
  39 #include "group.h"
  40 #include "config.h"
  41 #include "menuframe.h"
  42 #include "keyboard.h"
  43 #include "mouse.h"
  44 #include "render/render.h"
  45 #include "gettext.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
 112 void client_startup(gboolean reconfig)
 113 {
 114     if ((client_default_icon = RrImageCacheFind(ob_rr_icons,
 115                                                 ob_rr_theme->def_win_icon,
 116                                                 ob_rr_theme->def_win_icon_w,
 117                                                 ob_rr_theme->def_win_icon_h)))
 118         RrImageRef(client_default_icon);
 119     else {
 120         client_default_icon = RrImageNew(ob_rr_icons);
 121         RrImageAddPicture(client_default_icon,
 122                           ob_rr_theme->def_win_icon,
 123                           ob_rr_theme->def_win_icon_w,
 124                           ob_rr_theme->def_win_icon_h);
 125     }
 126
 127     if (reconfig) return;
 128
 129     client_set_list();
 130 }
 131
 132 void client_shutdown(gboolean reconfig)
 133 {
 134     RrImageUnref(client_default_icon);
 135     client_default_icon = NULL;
 136
 137     if (reconfig) return;
 138 }
 139
 140 static void client_call_notifies(ObClient *self, GSList *list)
 141 {
 142     GSList *it;
 143
 144     for (it = list; it; it = g_slist_next(it)) {
 145         ClientCallback *d = it->data;
 146         d->func(self, d->data);
 147     }
 148 }
 149
 150 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 151 {
 152     ClientCallback *d = g_new(ClientCallback, 1);
 153     d->func = func;
 154     d->data = data;
 155     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 156 }
 157
 158 void client_remove_destroy_notify(ObClientCallback func)
 159 {
 160     GSList *it;
 161
 162     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 163         ClientCallback *d = it->data;
 164         if (d->func == func) {
 165             g_free(d);
 166             client_destroy_notifies =
 167                 g_slist_delete_link(client_destroy_notifies, it);
 168             break;
 169         }
 170     }
 171 }
 172
 173 void client_set_list(void)
 174 {
 175     Window *windows, *win_it;
 176     GList *it;
 177     guint size = g_list_length(client_list);
 178
 179     /* create an array of the window ids */
 180     if (size > 0) {
 181         windows = g_new(Window, size);
 182         win_it = windows;
 183         for (it = client_list; it; it = g_list_next(it), ++win_it)
 184             *win_it = ((ObClient*)it->data)->window;
 185     } else
 186         windows = NULL;
 187
 188     PROP_SETA32(RootWindow(ob_display, ob_screen),
 189                 net_client_list, window, (gulong*)windows, size);
 190
 191     if (windows)
 192         g_free(windows);
 193
 194     stacking_set_list();
 195 }
 196
 197 void client_manage_all(void)
 198 {
 199     guint i, j, nchild;
 200     Window w, *children;
 201     XWMHints *wmhints;
 202     XWindowAttributes attrib;
 203
 204     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 205                &w, &w, &children, &nchild);
 206
 207     /* remove all icon windows from the list */
 208     for (i = 0; i < nchild; i++) {
 209         if (children[i] == None) continue;
 210         wmhints = XGetWMHints(ob_display, children[i]);
 211         if (wmhints) {
 212             if ((wmhints->flags & IconWindowHint) &&
 213                 (wmhints->icon_window != children[i]))
 214                 for (j = 0; j < nchild; j++)
 215                     if (children[j] == wmhints->icon_window) {
 216                         children[j] = None;
 217                         break;
 218                     }
 219             XFree(wmhints);
 220         }
 221     }
 222
 223     /* manage windows in reverse order from how they were originally mapped.
 224        this is an attempt to manage children windows before their parents, so
 225        that when the parent is mapped, it can find the child */
 226     for (i = 0; i < nchild; ++i) {
 227         if (children[i] == None)
 228             continue;
 229         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 230             if (attrib.override_redirect) continue;
 231
 232             if (attrib.map_state != IsUnmapped)
 233                 client_manage(children[i], NULL);
 234         }
 235     }
 236     XFree(children);
 237 }
 238
 239 void client_manage(Window window, ObPrompt *prompt)
 240 {
 241     ObClient *self;
 242     XEvent e;
 243     XWindowAttributes attrib;
 244     XSetWindowAttributes attrib_set;
 245     XWMHints *wmhint;
 246     gboolean activate = FALSE;
 247     ObAppSettings *settings;
 248     gboolean transient = FALSE;
 249     Rect place, *monitor;
 250     Time launch_time, map_time;
 251
 252     grab_server(TRUE);
 253
 254     /* check if it has already been unmapped by the time we started
 255        mapping. the grab does a sync so we don't have to here */
 256     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 257         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 258     {
 259         XPutBackEvent(ob_display, &e);
 260
 261         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 262         grab_server(FALSE);
 263         return; /* don't manage it */
 264     }
 265
 266     /* make sure it isn't an override-redirect window */
 267     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 268         attrib.override_redirect)
 269     {
 270         grab_server(FALSE);
 271         return; /* don't manage it */
 272     }
 273
 274     /* is the window a docking app */
 275     if ((wmhint = XGetWMHints(ob_display, window))) {
 276         if ((wmhint->flags & StateHint) &&
 277             wmhint->initial_state == WithdrawnState)
 278         {
 279             dock_add(window, wmhint);
 280             grab_server(FALSE);
 281             XFree(wmhint);
 282             return;
 283         }
 284         XFree(wmhint);
 285     }
 286
 287     ob_debug("Managing window: 0x%lx\n", window);
 288
 289     map_time = event_get_server_time();
 290
 291     /* choose the events we want to receive on the CLIENT window
 292        (ObPrompt windows can request events too) */
 293     attrib_set.event_mask = CLIENT_EVENTMASK |
 294         (prompt ? prompt->event_mask : 0);
 295     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 296     XChangeWindowAttributes(ob_display, window,
 297                             CWEventMask|CWDontPropagate, &attrib_set);
 298
 299     /* create the ObClient struct, and populate it from the hints on the
 300        window */
 301     self = g_new0(ObClient, 1);
 302     self->obwin.type = Window_Client;
 303     self->window = window;
 304     self->prompt = prompt;
 305
 306     /* non-zero defaults */
 307     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 308     self->gravity = NorthWestGravity;
 309     self->desktop = screen_num_desktops; /* always an invalid value */
 310
 311     /* get all the stuff off the window */
 312     client_get_all(self, TRUE);
 313
 314     ob_debug("Window type: %d\n", self->type);
 315     ob_debug("Window group: 0x%x\n", self->group?self->group->leader:0);
 316
 317     /* now we have all of the window's information so we can set this up.
 318        do this before creating the frame, so it can tell that we are still
 319        mapping and doesn't go applying things right away */
 320     client_setup_decor_and_functions(self, FALSE);
 321
 322     /* specify that if we exit, the window should not be destroyed and
 323        should be reparented back to root automatically, unless we are managing
 324        an internal ObPrompt window  */
 325     if (!self->prompt)
 326         XChangeSaveSet(ob_display, window, SetModeInsert);
 327
 328     /* create the decoration frame for the client window */
 329     self->frame = frame_new(self);
 330
 331     frame_grab_client(self->frame);
 332
 333     /* we've grabbed everything and set everything that we need to at mapping
 334        time now */
 335     grab_server(FALSE);
 336
 337     /* per-app settings override stuff from client_get_all, and return the
 338        settings for other uses too. the returned settings is a shallow copy,
 339        that needs to be freed with g_free(). */
 340     settings = client_get_settings_state(self);
 341     /* the session should get the last say though */
 342     client_restore_session_state(self);
 343
 344     /* tell startup notification that this app started */
 345     launch_time = sn_app_started(self->startup_id, self->class, self->name);
 346
 347     /* do this after we have a frame.. it uses the frame to help determine the
 348        WM_STATE to apply. */
 349     client_change_state(self);
 350
 351     /* add ourselves to the focus order */
 352     focus_order_add_new(self);
 353
 354     /* do this to add ourselves to the stacking list in a non-intrusive way */
 355     client_calc_layer(self);
 356
 357     /* focus the new window? */
 358     if (ob_state() != OB_STATE_STARTING &&
 359         (!self->session || self->session->focused) &&
 360         /* this means focus=true for window is same as config_focus_new=true */
 361         ((config_focus_new || (settings && settings->focus == 1)) ||
 362          client_search_focus_tree_full(self)) &&
 363         /* this checks for focus=false for the window */
 364         (!settings || settings->focus != 0) &&
 365         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
 366     {
 367         activate = TRUE;
 368     }
 369
 370     /* remove the client's border */
 371     XSetWindowBorderWidth(ob_display, self->window, 0);
 372
 373     /* adjust the frame to the client's size before showing or placing
 374        the window */
 375     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 376     frame_adjust_client_area(self->frame);
 377
 378     /* where the frame was placed is where the window was originally */
 379     place = self->area;
 380     monitor = screen_physical_area_monitor(screen_find_monitor(&place));
 381
 382     /* figure out placement for the window if the window is new */
 383     if (ob_state() == OB_STATE_RUNNING) {
 384         ob_debug("Positioned: %s @ %d %d\n",
 385                  (!self->positioned ? "no" :
 386                   (self->positioned == PPosition ? "program specified" :
 387                    (self->positioned == USPosition ? "user specified" :
 388                     (self->positioned == (PPosition | USPosition) ?
 389                      "program + user specified" :
 390                      "BADNESS !?")))), place.x, place.y);
 391
 392         ob_debug("Sized: %s @ %d %d\n",
 393                  (!self->sized ? "no" :
 394                   (self->sized == PSize ? "program specified" :
 395                    (self->sized == USSize ? "user specified" :
 396                     (self->sized == (PSize | USSize) ?
 397                      "program + user specified" :
 398                      "BADNESS !?")))), place.width, place.height);
 399
 400         /* splash screens are also returned as TRUE for transient,
 401            and so will be forced on screen below */
 402         transient = place_client(self, &place.x, &place.y, settings);
 403
 404         /* make sure the window is visible. */
 405         client_find_onscreen(self, &place.x, &place.y,
 406                              place.width, place.height,
 407                              /* non-normal clients has less rules, and
 408                                 windows that are being restored from a
 409                                 session do also. we can assume you want
 410                                 it back where you saved it. Clients saying
 411                                 they placed themselves are subjected to
 412                                 harder rules, ones that are placed by
 413                                 place.c or by the user are allowed partially
 414                                 off-screen and on xinerama divides (ie,
 415                                 it is up to the placement routines to avoid
 416                                 the xinerama divides)
 417
 418                                 splash screens get "transient" set to TRUE by
 419                                 the place_client call
 420                              */
 421                              ob_state() == OB_STATE_RUNNING &&
 422                              (transient ||
 423                               (!((self->positioned & USPosition) ||
 424                                  (settings && settings->pos_given)) &&
 425                                client_normal(self) &&
 426                                !self->session &&
 427                                /* don't move oldschool fullscreen windows to
 428                                   fit inside the struts (fixes Acroread, which
 429                                   makes its fullscreen window fit the screen
 430                                   but it is not USSize'd or USPosition'd) */
 431                                !(self->decorations == 0 &&
 432                                  RECT_EQUAL(place, *monitor)))));
 433     }
 434
 435     /* if the window isn't user-sized, then make it fit inside
 436        the visible screen area on its monitor. Use basically the same rules
 437        for forcing the window on screen in the client_find_onscreen call.
 438
 439        do this after place_client, it chooses the monitor!
 440
 441        splash screens get "transient" set to TRUE by
 442        the place_client call
 443     */
 444     if (ob_state() == OB_STATE_RUNNING &&
 445         (transient ||
 446          (!(self->sized & USSize || self->positioned & USPosition) &&
 447           client_normal(self) &&
 448           !self->session &&
 449           /* don't shrink oldschool fullscreen windows to fit inside the
 450              struts (fixes Acroread, which makes its fullscreen window
 451              fit the screen but it is not USSize'd or USPosition'd) */
 452           !(self->decorations == 0 && RECT_EQUAL(place, *monitor)))))
 453     {
 454         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &place);
 455
 456         /* get the size of the frame */
 457         place.width += self->frame->size.left + self->frame->size.right;
 458         place.height += self->frame->size.top + self->frame->size.bottom;
 459
 460         /* fit the window inside the area */
 461         place.width = MIN(place.width, a->width);
 462         place.height = MIN(place.height, a->height);
 463
 464         ob_debug("setting window size to %dx%d\n", place.width, place.height);
 465
 466         /* get the size of the client back */
 467         place.width -= self->frame->size.left + self->frame->size.right;
 468         place.height -= self->frame->size.top + self->frame->size.bottom;
 469
 470         g_free(a);
 471     }
 472
 473     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 474              "some restrictions may apply\n",
 475              self->window, place.x, place.y, place.width, place.height);
 476     if (self->session)
 477         ob_debug("  but session requested %d, %d  %d x %d instead, "
 478                  "overriding\n",
 479                  self->session->x, self->session->y,
 480                  self->session->w, self->session->h);
 481
 482     /* do this after the window is placed, so the premax/prefullscreen numbers
 483        won't be all wacko!!
 484
 485        this also places the window
 486     */
 487     client_apply_startup_state(self, place.x, place.y,
 488                                place.width, place.height);
 489
 490     g_free(monitor);
 491     monitor = NULL;
 492
 493     ob_debug_type(OB_DEBUG_FOCUS, "Going to try activate new window? %s\n",
 494                   activate ? "yes" : "no");
 495     if (activate) {
 496         gboolean raise = FALSE;
 497
 498         /* This is focus stealing prevention */
 499         ob_debug_type(OB_DEBUG_FOCUS,
 500                       "Want to focus new window 0x%x at time %u "
 501                       "launched at %u (last user interaction time %u)\n",
 502                       self->window, map_time, launch_time,
 503                       event_last_user_time);
 504
 505         if (menu_frame_visible || moveresize_in_progress) {
 506             activate = FALSE;
 507             raise = TRUE;
 508             ob_debug_type(OB_DEBUG_FOCUS,
 509                           "Not focusing the window because the user is inside "
 510                           "an Openbox menu or is move/resizing a window and "
 511                           "we don't want to interrupt them\n");
 512         }
 513
 514         /* if it's on another desktop */
 515         else if (!(self->desktop == screen_desktop ||
 516                    self->desktop == DESKTOP_ALL) &&
 517                  /* the timestamp is from before you changed desktops */
 518                  launch_time && screen_desktop_user_time &&
 519                  !event_time_after(launch_time, screen_desktop_user_time))
 520         {
 521             activate = FALSE;
 522             raise = TRUE;
 523             ob_debug_type(OB_DEBUG_FOCUS,
 524                           "Not focusing the window because its on another "
 525                           "desktop\n");
 526         }
 527         /* If something is focused, and it's not our relative... */
 528         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
 529                  client_search_focus_group_full(self) == NULL)
 530         {
 531             /* If the user is working in another window right now, then don't
 532                steal focus */
 533             if (event_last_user_time && launch_time &&
 534                 event_time_after(event_last_user_time, launch_time) &&
 535                 event_last_user_time != launch_time &&
 536                 event_time_after(event_last_user_time,
 537                                  map_time - OB_EVENT_USER_TIME_DELAY))
 538             {
 539                 activate = FALSE;
 540                 ob_debug_type(OB_DEBUG_FOCUS,
 541                               "Not focusing the window because the user is "
 542                               "working in another window\n");
 543             }
 544             /* If it's a transient (and its parents aren't focused) */
 545             else if (client_has_parent(self)) {
 546                 activate = FALSE;
 547                 ob_debug_type(OB_DEBUG_FOCUS,
 548                               "Not focusing the window because it is a "
 549                               "transient, and its relatives aren't focused\n");
 550             }
 551             /* Don't steal focus from globally active clients.
 552                I stole this idea from KWin. It seems nice.
 553              */
 554             else if (!(focus_client->can_focus ||
 555                        focus_client->focus_notify))
 556             {
 557                 activate = FALSE;
 558                 ob_debug_type(OB_DEBUG_FOCUS,
 559                               "Not focusing the window because a globally "
 560                               "active client has focus\n");
 561             }
 562             /* Don't move focus if it's not going to go to this window
 563                anyway */
 564             else if (client_focus_target(self) != self) {
 565                 activate = FALSE;
 566                 raise = TRUE;
 567                 ob_debug_type(OB_DEBUG_FOCUS,
 568                               "Not focusing the window because another window "
 569                               "would get the focus anyway\n");
 570             }
 571             else if (!(self->desktop == screen_desktop ||
 572                        self->desktop == DESKTOP_ALL))
 573             {
 574                 activate = FALSE;
 575                 raise = TRUE;
 576                 ob_debug_type(OB_DEBUG_FOCUS,
 577                               "Not focusing the window because it is on "
 578                               "another desktop and no relatives are focused ");
 579             }
 580         }
 581
 582         if (!activate) {
 583             ob_debug_type(OB_DEBUG_FOCUS,
 584                           "Focus stealing prevention activated for %s at "
 585                           "time %u (last user interaction time %u)\n",
 586                           self->title, map_time, event_last_user_time);
 587             /* if the client isn't focused, then hilite it so the user
 588                knows it is there */
 589             client_hilite(self, TRUE);
 590             /* we may want to raise it even tho we're not activating it */
 591             if (raise && !client_restore_session_stacking(self))
 592                 stacking_raise(CLIENT_AS_WINDOW(self));
 593         }
 594     }
 595     else {
 596         /* This may look rather odd. Well it's because new windows are added
 597            to the stacking order non-intrusively. If we're not going to focus
 598            the new window or hilite it, then we raise it to the top. This will
 599            take affect for things that don't get focused like splash screens.
 600            Also if you don't have focus_new enabled, then it's going to get
 601            raised to the top. Legacy begets legacy I guess?
 602         */
 603         if (!client_restore_session_stacking(self))
 604             stacking_raise(CLIENT_AS_WINDOW(self));
 605     }
 606
 607     mouse_grab_for_client(self, TRUE);
 608
 609     /* this has to happen before we try focus the window, but we want it to
 610        happen after the client's stacking has been determined or it looks bad
 611     */
 612     {
 613         gulong ignore_start;
 614         if (!config_focus_under_mouse)
 615             ignore_start = event_start_ignore_all_enters();
 616
 617         client_show(self);
 618
 619         if (!config_focus_under_mouse)
 620             event_end_ignore_all_enters(ignore_start);
 621     }
 622
 623     if (activate) {
 624         gboolean stacked = client_restore_session_stacking(self);
 625         client_present(self, FALSE, !stacked, TRUE);
 626     }
 627
 628     /* add to client list/map */
 629     client_list = g_list_append(client_list, self);
 630     g_hash_table_insert(window_map, &self->window, self);
 631
 632     /* this has to happen after we're in the client_list */
 633     if (STRUT_EXISTS(self->strut))
 634         screen_update_areas();
 635
 636     /* update the list hints */
 637     client_set_list();
 638
 639     /* free the ObAppSettings shallow copy */
 640     g_free(settings);
 641
 642     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 643              window, self->frame->window, self->class);
 644
 645     return;
 646 }
 647
 648
 649 ObClient *client_fake_manage(Window window)
 650 {
 651     ObClient *self;
 652     ObAppSettings *settings;
 653
 654     ob_debug("Pretend-managing window: %lx\n", window);
 655
 656     /* do this minimal stuff to figure out the client's decorations */
 657
 658     self = g_new0(ObClient, 1);
 659     self->window = window;
 660
 661     client_get_all(self, FALSE);
 662     /* per-app settings override stuff, and return the settings for other
 663        uses too. this returns a shallow copy that needs to be freed */
 664     settings = client_get_settings_state(self);
 665
 666     client_setup_decor_and_functions(self, FALSE);
 667
 668     /* create the decoration frame for the client window and adjust its size */
 669     self->frame = frame_new(self);
 670     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 671
 672     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 673              self->frame->size.left, self->frame->size.right,
 674              self->frame->size.top, self->frame->size.bottom);
 675
 676     /* free the ObAppSettings shallow copy */
 677     g_free(settings);
 678
 679     return self;
 680 }
 681
 682 void client_unmanage_all(void)
 683 {
 684     while (client_list)
 685         client_unmanage(client_list->data);
 686 }
 687
 688 void client_unmanage(ObClient *self)
 689 {
 690     GSList *it;
 691     gulong ignore_start;
 692
 693     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 694              self->window, self->frame->window,
 695              self->class, self->title ? self->title : "");
 696
 697     g_assert(self != NULL);
 698
 699     /* we dont want events no more. do this before hiding the frame so we
 700        don't generate more events */
 701     XSelectInput(ob_display, self->window, NoEventMask);
 702
 703     /* ignore enter events from the unmap so it doesnt mess with the focus */
 704     if (!config_focus_under_mouse)
 705         ignore_start = event_start_ignore_all_enters();
 706
 707     frame_hide(self->frame);
 708     /* flush to send the hide to the server quickly */
 709     XFlush(ob_display);
 710
 711     if (!config_focus_under_mouse)
 712         event_end_ignore_all_enters(ignore_start);
 713
 714     mouse_grab_for_client(self, FALSE);
 715
 716     /* remove the window from our save set, unless we are managing an internal
 717        ObPrompt window */
 718     if (!self->prompt)
 719         XChangeSaveSet(ob_display, self->window, SetModeDelete);
 720
 721     /* update the focus lists */
 722     focus_order_remove(self);
 723     if (client_focused(self)) {
 724         /* don't leave an invalid focus_client */
 725         focus_client = NULL;
 726     }
 727
 728     /* if we're prompting to kill the client, close that */
 729     prompt_unref(self->kill_prompt);
 730     self->kill_prompt = NULL;
 731
 732     client_list = g_list_remove(client_list, self);
 733     stacking_remove(self);
 734     g_hash_table_remove(window_map, &self->window);
 735
 736     /* once the client is out of the list, update the struts to remove its
 737        influence */
 738     if (STRUT_EXISTS(self->strut))
 739         screen_update_areas();
 740
 741     client_call_notifies(self, client_destroy_notifies);
 742
 743     /* tell our parent(s) that we're gone */
 744     for (it = self->parents; it; it = g_slist_next(it))
 745         ((ObClient*)it->data)->transients =
 746             g_slist_remove(((ObClient*)it->data)->transients,self);
 747
 748     /* tell our transients that we're gone */
 749     for (it = self->transients; it; it = g_slist_next(it)) {
 750         ((ObClient*)it->data)->parents =
 751             g_slist_remove(((ObClient*)it->data)->parents, self);
 752         /* we could be keeping our children in a higher layer */
 753         client_calc_layer(it->data);
 754     }
 755
 756     /* remove from its group */
 757     if (self->group) {
 758         group_remove(self->group, self);
 759         self->group = NULL;
 760     }
 761
 762     /* restore the window's original geometry so it is not lost */
 763     {
 764         Rect a;
 765
 766         a = self->area;
 767
 768         if (self->fullscreen)
 769             a = self->pre_fullscreen_area;
 770         else if (self->max_horz || self->max_vert) {
 771             if (self->max_horz) {
 772                 a.x = self->pre_max_area.x;
 773                 a.width = self->pre_max_area.width;
 774             }
 775             if (self->max_vert) {
 776                 a.y = self->pre_max_area.y;
 777                 a.height = self->pre_max_area.height;
 778             }
 779         }
 780
 781         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 782         /* let it be moved and resized no matter what */
 783         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 784         self->decorations = 0; /* unmanaged windows have no decor */
 785
 786         /* give the client its border back */
 787         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 788
 789         client_move_resize(self, a.x, a.y, a.width, a.height);
 790     }
 791
 792     /* reparent the window out of the frame, and free the frame */
 793     frame_release_client(self->frame);
 794     frame_free(self->frame);
 795     self->frame = NULL;
 796
 797     if (ob_state() != OB_STATE_EXITING) {
 798         /* these values should not be persisted across a window
 799            unmapping/mapping */
 800         PROP_ERASE(self->window, net_wm_desktop);
 801         PROP_ERASE(self->window, net_wm_state);
 802         PROP_ERASE(self->window, wm_state);
 803     } else {
 804         /* if we're left in an unmapped state, the client wont be mapped.
 805            this is bad, since we will no longer be managing the window on
 806            restart */
 807         XMapWindow(ob_display, self->window);
 808     }
 809
 810     /* these should not be left on the window ever.  other window managers
 811        don't necessarily use them and it will mess them up (like compiz) */
 812     PROP_ERASE(self->window, net_wm_visible_name);
 813     PROP_ERASE(self->window, net_wm_visible_icon_name);
 814
 815     /* update the list hints */
 816     client_set_list();
 817
 818     ob_debug("Unmanaged window 0x%lx\n", self->window);
 819
 820     /* free all data allocated in the client struct */
 821     RrImageUnref(self->icon_set);
 822     g_slist_free(self->transients);
 823     g_free(self->startup_id);
 824     g_free(self->wm_command);
 825     g_free(self->title);
 826     g_free(self->icon_title);
 827     g_free(self->original_title);
 828     g_free(self->name);
 829     g_free(self->class);
 830     g_free(self->role);
 831     g_free(self->client_machine);
 832     g_free(self->sm_client_id);
 833     g_free(self);
 834 }
 835
 836 void client_fake_unmanage(ObClient *self)
 837 {
 838     /* this is all that got allocated to get the decorations */
 839
 840     frame_free(self->frame);
 841     g_free(self);
 842 }
 843
 844 /*! Returns a new structure containing the per-app settings for this client.
 845   The returned structure needs to be freed with g_free. */
 846 static ObAppSettings *client_get_settings_state(ObClient *self)
 847 {
 848     ObAppSettings *settings;
 849     GSList *it;
 850
 851     settings = config_create_app_settings();
 852
 853     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 854         ObAppSettings *app = it->data;
 855         gboolean match = TRUE;
 856
 857         g_assert(app->name != NULL || app->class != NULL);
 858
 859         /* we know that either name or class is not NULL so it will have to
 860            match to use the rule */
 861         if (app->name &&
 862             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 863             match = FALSE;
 864         else if (app->class &&
 865                  !g_pattern_match(app->class,
 866                                   strlen(self->class), self->class, NULL))
 867             match = FALSE;
 868         else if (app->role &&
 869                  !g_pattern_match(app->role,
 870                                   strlen(self->role), self->role, NULL))
 871             match = FALSE;
 872         else if ((signed)app->type >= 0 && app->type != self->type)
 873             match = FALSE;
 874
 875         if (match) {
 876             ob_debug("Window matching: %s\n", app->name);
 877
 878             /* copy the settings to our struct, overriding the existing
 879                settings if they are not defaults */
 880             config_app_settings_copy_non_defaults(app, settings);
 881         }
 882     }
 883
 884     if (settings->shade != -1)
 885         self->shaded = !!settings->shade;
 886     if (settings->decor != -1)
 887         self->undecorated = !settings->decor;
 888     if (settings->iconic != -1)
 889         self->iconic = !!settings->iconic;
 890     if (settings->skip_pager != -1)
 891         self->skip_pager = !!settings->skip_pager;
 892     if (settings->skip_taskbar != -1)
 893         self->skip_taskbar = !!settings->skip_taskbar;
 894
 895     if (settings->max_vert != -1)
 896         self->max_vert = !!settings->max_vert;
 897     if (settings->max_horz != -1)
 898         self->max_horz = !!settings->max_horz;
 899
 900     if (settings->fullscreen != -1)
 901         self->fullscreen = !!settings->fullscreen;
 902
 903     if (settings->desktop) {
 904         if (settings->desktop == DESKTOP_ALL)
 905             self->desktop = settings->desktop;
 906         else if (settings->desktop > 0 &&
 907                  settings->desktop <= screen_num_desktops)
 908             self->desktop = settings->desktop - 1;
 909     }
 910
 911     if (settings->layer == -1) {
 912         self->below = TRUE;
 913         self->above = FALSE;
 914     }
 915     else if (settings->layer == 0) {
 916         self->below = FALSE;
 917         self->above = FALSE;
 918     }
 919     else if (settings->layer == 1) {
 920         self->below = FALSE;
 921         self->above = TRUE;
 922     }
 923     return settings;
 924 }
 925
 926 static void client_restore_session_state(ObClient *self)
 927 {
 928     GList *it;
 929
 930     ob_debug_type(OB_DEBUG_SM,
 931                   "Restore session for client %s\n", self->title);
 932
 933     if (!(it = session_state_find(self))) {
 934         ob_debug_type(OB_DEBUG_SM,
 935                       "Session data not found for client %s\n", self->title);
 936         return;
 937     }
 938
 939     self->session = it->data;
 940
 941     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 942                   self->title);
 943
 944     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 945     self->positioned = USPosition;
 946     self->sized = USSize;
 947     if (self->session->w > 0)
 948         self->area.width = self->session->w;
 949     if (self->session->h > 0)
 950         self->area.height = self->session->h;
 951     XResizeWindow(ob_display, self->window,
 952                   self->area.width, self->area.height);
 953
 954     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 955                      self->session->desktop :
 956                      MIN(screen_num_desktops - 1, self->session->desktop));
 957     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 958
 959     self->shaded = self->session->shaded;
 960     self->iconic = self->session->iconic;
 961     self->skip_pager = self->session->skip_pager;
 962     self->skip_taskbar = self->session->skip_taskbar;
 963     self->fullscreen = self->session->fullscreen;
 964     self->above = self->session->above;
 965     self->below = self->session->below;
 966     self->max_horz = self->session->max_horz;
 967     self->max_vert = self->session->max_vert;
 968     self->undecorated = self->session->undecorated;
 969 }
 970
 971 static gboolean client_restore_session_stacking(ObClient *self)
 972 {
 973     GList *it, *mypos;
 974
 975     if (!self->session) return FALSE;
 976
 977     mypos = g_list_find(session_saved_state, self->session);
 978     if (!mypos) return FALSE;
 979
 980     /* start above me and look for the first client */
 981     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 982         GList *cit;
 983
 984         for (cit = client_list; cit; cit = g_list_next(cit)) {
 985             ObClient *c = cit->data;
 986             /* found a client that was in the session, so go below it */
 987             if (c->session == it->data) {
 988                 stacking_below(CLIENT_AS_WINDOW(self),
 989                                CLIENT_AS_WINDOW(cit->data));
 990                 return TRUE;
 991             }
 992         }
 993     }
 994     return FALSE;
 995 }
 996
 997 void client_move_onscreen(ObClient *self, gboolean rude)
 998 {
 999     gint x = self->area.x;
1000     gint y = self->area.y;
1001     if (client_find_onscreen(self, &x, &y,
1002                              self->area.width,
1003                              self->area.height, rude)) {
1004         client_move(self, x, y);
1005     }
1006 }
1007
1008 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
1009                               gboolean rude)
1010 {
1011     gint ox = *x, oy = *y;
1012     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
1013     gint fw, fh;
1014     Rect desired;
1015     guint i;
1016     gboolean found_mon;
1017
1018     RECT_SET(desired, *x, *y, w, h);
1019     frame_rect_to_frame(self->frame, &desired);
1020
1021     /* get where the frame would be */
1022     frame_client_gravity(self->frame, x, y);
1023
1024     /* get the requested size of the window with decorations */
1025     fw = self->frame->size.left + w + self->frame->size.right;
1026     fh = self->frame->size.top + h + self->frame->size.bottom;
1027
1028     /* If rudeness wasn't requested, then still be rude in a given direction
1029        if the client is not moving, only resizing in that direction */
1030     if (!rude) {
1031         Point oldtl, oldtr, oldbl, oldbr;
1032         Point newtl, newtr, newbl, newbr;
1033         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
1034
1035         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
1036         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
1037                   self->frame->area.y + self->frame->area.height - 1);
1038         POINT_SET(oldtr, oldbr.x, oldtl.y);
1039         POINT_SET(oldbl, oldtl.x, oldbr.y);
1040
1041         POINT_SET(newtl, *x, *y);
1042         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
1043         POINT_SET(newtr, newbr.x, newtl.y);
1044         POINT_SET(newbl, newtl.x, newbr.y);
1045
1046         /* is it moving or just resizing from some corner? */
1047         stationary_l = oldtl.x == newtl.x;
1048         stationary_r = oldtr.x == newtr.x;
1049         stationary_t = oldtl.y == newtl.y;
1050         stationary_b = oldbl.y == newbl.y;
1051
1052         /* if left edge is growing and didnt move right edge */
1053         if (stationary_r && newtl.x < oldtl.x)
1054             rudel = TRUE;
1055         /* if right edge is growing and didnt move left edge */
1056         if (stationary_l && newtr.x > oldtr.x)
1057             ruder = TRUE;
1058         /* if top edge is growing and didnt move bottom edge */
1059         if (stationary_b && newtl.y < oldtl.y)
1060             rudet = TRUE;
1061         /* if bottom edge is growing and didnt move top edge */
1062         if (stationary_t && newbl.y > oldbl.y)
1063             rudeb = TRUE;
1064     }
1065
1066     /* we iterate through every monitor that the window is at least partially
1067        on, to make sure it is obeying the rules on them all
1068
1069        if the window does not appear on any monitors, then use the first one
1070     */
1071     found_mon = FALSE;
1072     for (i = 0; i < screen_num_monitors; ++i) {
1073         Rect *a;
1074
1075         if (!screen_physical_area_monitor_contains(i, &desired)) {
1076             if (i < screen_num_monitors - 1 || found_mon)
1077                 continue;
1078
1079             /* the window is not inside any monitor! so just use the first
1080                one */
1081             a = screen_area(self->desktop, 0, NULL);
1082         } else {
1083             found_mon = TRUE;
1084             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1085         }
1086
1087         /* This makes sure windows aren't entirely outside of the screen so you
1088            can't see them at all.
1089            It makes sure 10% of the window is on the screen at least. And don't
1090            let it move itself off the top of the screen, which would hide the
1091            titlebar on you. (The user can still do this if they want too, it's
1092            only limiting the application.
1093         */
1094         if (client_normal(self)) {
1095             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1096                 *x = a->x + a->width - fw/10;
1097             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1098                 *y = a->y + a->height - fh/10;
1099             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1100                 *x = a->x - fw*9/10;
1101             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1102                 *y = a->y - fh*9/10;
1103         }
1104
1105         /* This here doesn't let windows even a pixel outside the
1106            struts/screen. When called from client_manage, programs placing
1107            themselves are forced completely onscreen, while things like
1108            xterm -geometry resolution-width/2 will work fine. Trying to
1109            place it completely offscreen will be handled in the above code.
1110            Sorry for this confused comment, i am tired. */
1111         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1112         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1113             *x = a->x + MAX(0, a->width - fw);
1114
1115         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1116         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1117             *y = a->y + MAX(0, a->height - fh);
1118
1119         g_free(a);
1120     }
1121
1122     /* get where the client should be */
1123     frame_frame_gravity(self->frame, x, y);
1124
1125     return ox != *x || oy != *y;
1126 }
1127
1128 static void client_get_all(ObClient *self, gboolean real)
1129 {
1130     /* this is needed for the frame to set itself up */
1131     client_get_area(self);
1132
1133     /* these things can change the decor and functions of the window */
1134
1135     client_get_mwm_hints(self);
1136     /* this can change the mwmhints for special cases */
1137     client_get_type_and_transientness(self);
1138     client_get_state(self);
1139     client_update_normal_hints(self);
1140
1141     /* get the session related properties, these can change decorations
1142        from per-app settings */
1143     client_get_session_ids(self);
1144
1145     /* now we got everything that can affect the decorations */
1146     if (!real)
1147         return;
1148
1149     /* get this early so we have it for debugging */
1150     client_update_title(self);
1151
1152     client_update_protocols(self);
1153
1154     client_update_wmhints(self);
1155     /* this may have already been called from client_update_wmhints */
1156     if (!self->parents && !self->transient_for_group)
1157         client_update_transient_for(self);
1158
1159     client_get_startup_id(self);
1160     client_get_desktop(self);/* uses transient data/group/startup id if a
1161                                 desktop is not specified */
1162     client_get_shaped(self);
1163
1164     {
1165         /* a couple type-based defaults for new windows */
1166
1167         /* this makes sure that these windows appear on all desktops */
1168         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1169             self->desktop = DESKTOP_ALL;
1170     }
1171
1172 #ifdef SYNC
1173     client_update_sync_request_counter(self);
1174 #endif
1175
1176     client_get_colormap(self);
1177     client_update_strut(self);
1178     client_update_icons(self);
1179     client_update_icon_geometry(self);
1180 }
1181
1182 static void client_get_startup_id(ObClient *self)
1183 {
1184     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1185         if (self->group)
1186             PROP_GETS(self->group->leader,
1187                       net_startup_id, utf8, &self->startup_id);
1188 }
1189
1190 static void client_get_area(ObClient *self)
1191 {
1192     XWindowAttributes wattrib;
1193     Status ret;
1194
1195     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1196     g_assert(ret != BadWindow);
1197
1198     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1199     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1200     self->border_width = wattrib.border_width;
1201
1202     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1203              wattrib.width, wattrib.height, wattrib.border_width);
1204 }
1205
1206 static void client_get_desktop(ObClient *self)
1207 {
1208     guint32 d = screen_num_desktops; /* an always-invalid value */
1209
1210     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1211         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1212             self->desktop = screen_num_desktops - 1;
1213         else
1214             self->desktop = d;
1215         ob_debug("client requested desktop 0x%x\n", self->desktop);
1216     } else {
1217         GSList *it;
1218         gboolean first = TRUE;
1219         guint all = screen_num_desktops; /* not a valid value */
1220
1221         /* if they are all on one desktop, then open it on the
1222            same desktop */
1223         for (it = self->parents; it; it = g_slist_next(it)) {
1224             ObClient *c = it->data;
1225
1226             if (c->desktop == DESKTOP_ALL) continue;
1227
1228             if (first) {
1229                 all = c->desktop;
1230                 first = FALSE;
1231             }
1232             else if (all != c->desktop)
1233                 all = screen_num_desktops; /* make it invalid */
1234         }
1235         if (all != screen_num_desktops) {
1236             self->desktop = all;
1237
1238             ob_debug("client desktop set from parents: 0x%x\n",
1239                      self->desktop);
1240         }
1241         /* try get from the startup-notification protocol */
1242         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1243             if (self->desktop >= screen_num_desktops &&
1244                 self->desktop != DESKTOP_ALL)
1245                 self->desktop = screen_num_desktops - 1;
1246             ob_debug("client desktop set from startup-notification: 0x%x\n",
1247                      self->desktop);
1248         }
1249         /* defaults to the current desktop */
1250         else {
1251             self->desktop = screen_desktop;
1252             ob_debug("client desktop set to the current desktop: %d\n",
1253                      self->desktop);
1254         }
1255     }
1256 }
1257
1258 static void client_get_state(ObClient *self)
1259 {
1260     guint32 *state;
1261     guint num;
1262
1263     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1264         gulong i;
1265         for (i = 0; i < num; ++i) {
1266             if (state[i] == prop_atoms.net_wm_state_modal)
1267                 self->modal = TRUE;
1268             else if (state[i] == prop_atoms.net_wm_state_shaded)
1269                 self->shaded = TRUE;
1270             else if (state[i] == prop_atoms.net_wm_state_hidden)
1271                 self->iconic = TRUE;
1272             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1273                 self->skip_taskbar = TRUE;
1274             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1275                 self->skip_pager = TRUE;
1276             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1277                 self->fullscreen = TRUE;
1278             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1279                 self->max_vert = TRUE;
1280             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1281                 self->max_horz = TRUE;
1282             else if (state[i] == prop_atoms.net_wm_state_above)
1283                 self->above = TRUE;
1284             else if (state[i] == prop_atoms.net_wm_state_below)
1285                 self->below = TRUE;
1286             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1287                 self->demands_attention = TRUE;
1288             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1289                 self->undecorated = TRUE;
1290         }
1291
1292         g_free(state);
1293     }
1294 }
1295
1296 static void client_get_shaped(ObClient *self)
1297 {
1298     self->shaped = FALSE;
1299 #ifdef SHAPE
1300     if (extensions_shape) {
1301         gint foo;
1302         guint ufoo;
1303         gint s;
1304
1305         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1306
1307         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1308                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1309                            &ufoo);
1310         self->shaped = !!s;
1311     }
1312 #endif
1313 }
1314
1315 void client_update_transient_for(ObClient *self)
1316 {
1317     Window t = None;
1318     ObClient *target = NULL;
1319     gboolean trangroup = FALSE;
1320
1321     if (XGetTransientForHint(ob_display, self->window, &t)) {
1322         if (t != self->window) { /* can't be transient to itself! */
1323             target = g_hash_table_lookup(window_map, &t);
1324             /* if this happens then we need to check for it */
1325             g_assert(target != self);
1326             if (target && !WINDOW_IS_CLIENT(target)) {
1327                 /* watch out for windows with a parent that is something
1328                    different, like a dockapp for example */
1329                 target = NULL;
1330             }
1331         }
1332
1333         /* Setting the transient_for to Root is actually illegal, however
1334            applications from time have done this to specify transient for
1335            their group */
1336         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1337             trangroup = TRUE;
1338     } else if (self->group && self->transient)
1339         trangroup = TRUE;
1340
1341     client_update_transient_tree(self, self->group, self->group,
1342                                  self->transient_for_group, trangroup,
1343                                  client_direct_parent(self), target);
1344     self->transient_for_group = trangroup;
1345
1346 }
1347
1348 static void client_update_transient_tree(ObClient *self,
1349                                          ObGroup *oldgroup, ObGroup *newgroup,
1350                                          gboolean oldgtran, gboolean newgtran,
1351                                          ObClient* oldparent,
1352                                          ObClient *newparent)
1353 {
1354     GSList *it, *next;
1355     ObClient *c;
1356
1357     g_assert(!oldgtran || oldgroup);
1358     g_assert(!newgtran || newgroup);
1359     g_assert((!oldgtran && !oldparent) ||
1360              (oldgtran && !oldparent) ||
1361              (!oldgtran && oldparent));
1362     g_assert((!newgtran && !newparent) ||
1363              (newgtran && !newparent) ||
1364              (!newgtran && newparent));
1365
1366     /* * *
1367       Group transient windows are not allowed to have other group
1368       transient windows as their children.
1369       * * */
1370
1371
1372     /* No change has occured */
1373     if (oldgroup == newgroup &&
1374         oldgtran == newgtran &&
1375         oldparent == newparent) return;
1376
1377     /** Remove the client from the transient tree **/
1378
1379     for (it = self->transients; it; it = next) {
1380         next = g_slist_next(it);
1381         c = it->data;
1382         self->transients = g_slist_delete_link(self->transients, it);
1383         c->parents = g_slist_remove(c->parents, self);
1384     }
1385     for (it = self->parents; it; it = next) {
1386         next = g_slist_next(it);
1387         c = it->data;
1388         self->parents = g_slist_delete_link(self->parents, it);
1389         c->transients = g_slist_remove(c->transients, self);
1390     }
1391
1392     /** Re-add the client to the transient tree **/
1393
1394     /* If we're transient for a group then we need to add ourselves to all our
1395        parents */
1396     if (newgtran) {
1397         for (it = newgroup->members; it; it = g_slist_next(it)) {
1398             c = it->data;
1399             if (c != self &&
1400                 !client_search_top_direct_parent(c)->transient_for_group &&
1401                 client_normal(c))
1402             {
1403                 c->transients = g_slist_prepend(c->transients, self);
1404                 self->parents = g_slist_prepend(self->parents, c);
1405             }
1406         }
1407     }
1408
1409     /* If we are now transient for a single window we need to add ourselves to
1410        its children
1411
1412        WARNING: Cyclical transient-ness is possible if two windows are
1413        transient for eachother.
1414     */
1415     else if (newparent &&
1416              /* don't make ourself its child if it is already our child */
1417              !client_is_direct_child(self, newparent) &&
1418              client_normal(newparent))
1419     {
1420         newparent->transients = g_slist_prepend(newparent->transients, self);
1421         self->parents = g_slist_prepend(self->parents, newparent);
1422     }
1423
1424     /* Add any group transient windows to our children. But if we're transient
1425        for the group, then other group transients are not our children.
1426
1427        WARNING: Cyclical transient-ness is possible. For e.g. if:
1428        A is transient for the group
1429        B is transient for A
1430        C is transient for B
1431        A can't be transient for C or we have a cycle
1432     */
1433     if (!newgtran && newgroup &&
1434         (!newparent ||
1435          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1436         client_normal(self))
1437     {
1438         for (it = newgroup->members; it; it = g_slist_next(it)) {
1439             c = it->data;
1440             if (c != self && c->transient_for_group &&
1441                 /* Don't make it our child if it is already our parent */
1442                 !client_is_direct_child(c, self))
1443             {
1444                 self->transients = g_slist_prepend(self->transients, c);
1445                 c->parents = g_slist_prepend(c->parents, self);
1446             }
1447         }
1448     }
1449
1450     /** If we change our group transient-ness, our children change their
1451         effective group transient-ness, which affects how they relate to other
1452         group windows **/
1453
1454     for (it = self->transients; it; it = g_slist_next(it)) {
1455         c = it->data;
1456         if (!c->transient_for_group)
1457             client_update_transient_tree(c, c->group, c->group,
1458                                          c->transient_for_group,
1459                                          c->transient_for_group,
1460                                          client_direct_parent(c),
1461                                          client_direct_parent(c));
1462     }
1463 }
1464
1465 static void client_get_mwm_hints(ObClient *self)
1466 {
1467     guint num;
1468     guint32 *hints;
1469
1470     self->mwmhints.flags = 0; /* default to none */
1471
1472     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1473                     &hints, &num)) {
1474         if (num >= OB_MWM_ELEMENTS) {
1475             self->mwmhints.flags = hints[0];
1476             self->mwmhints.functions = hints[1];
1477             self->mwmhints.decorations = hints[2];
1478         }
1479         g_free(hints);
1480     }
1481 }
1482
1483 void client_get_type_and_transientness(ObClient *self)
1484 {
1485     guint num, i;
1486     guint32 *val;
1487     Window t;
1488
1489     self->type = -1;
1490     self->transient = FALSE;
1491
1492     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1493         /* use the first value that we know about in the array */
1494         for (i = 0; i < num; ++i) {
1495             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1496                 self->type = OB_CLIENT_TYPE_DESKTOP;
1497             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1498                 self->type = OB_CLIENT_TYPE_DOCK;
1499             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1500                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1501             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1502                 self->type = OB_CLIENT_TYPE_MENU;
1503             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1504                 self->type = OB_CLIENT_TYPE_UTILITY;
1505             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1506                 self->type = OB_CLIENT_TYPE_SPLASH;
1507             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1508                 self->type = OB_CLIENT_TYPE_DIALOG;
1509             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1510                 self->type = OB_CLIENT_TYPE_NORMAL;
1511             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1512                 /* prevent this window from getting any decor or
1513                    functionality */
1514                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1515                                          OB_MWM_FLAG_DECORATIONS);
1516                 self->mwmhints.decorations = 0;
1517                 self->mwmhints.functions = 0;
1518             }
1519             if (self->type != (ObClientType) -1)
1520                 break; /* grab the first legit type */
1521         }
1522         g_free(val);
1523     }
1524
1525     if (XGetTransientForHint(ob_display, self->window, &t))
1526         self->transient = TRUE;
1527
1528     if (self->type == (ObClientType) -1) {
1529         /*the window type hint was not set, which means we either classify
1530           ourself as a normal window or a dialog, depending on if we are a
1531           transient. */
1532         if (self->transient)
1533             self->type = OB_CLIENT_TYPE_DIALOG;
1534         else
1535             self->type = OB_CLIENT_TYPE_NORMAL;
1536     }
1537
1538     /* then, based on our type, we can update our transientness.. */
1539     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1540         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1541         self->type == OB_CLIENT_TYPE_MENU ||
1542         self->type == OB_CLIENT_TYPE_UTILITY)
1543     {
1544         self->transient = TRUE;
1545     }
1546 }
1547
1548 void client_update_protocols(ObClient *self)
1549 {
1550     guint32 *proto;
1551     guint num_return, i;
1552
1553     self->focus_notify = FALSE;
1554     self->delete_window = FALSE;
1555
1556     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1557         for (i = 0; i < num_return; ++i) {
1558             if (proto[i] == prop_atoms.wm_delete_window)
1559                 /* this means we can request the window to close */
1560                 self->delete_window = TRUE;
1561             else if (proto[i] == prop_atoms.wm_take_focus)
1562                 /* if this protocol is requested, then the window will be
1563                    notified whenever we want it to receive focus */
1564                 self->focus_notify = TRUE;
1565             else if (proto[i] == prop_atoms.net_wm_ping)
1566                 /* if this protocol is requested, then the window will allow
1567                    pings to determine if it is still alive */
1568                 self->ping = TRUE;
1569 #ifdef SYNC
1570             else if (proto[i] == prop_atoms.net_wm_sync_request)
1571                 /* if this protocol is requested, then resizing the
1572                    window will be synchronized between the frame and the
1573                    client */
1574                 self->sync_request = TRUE;
1575 #endif
1576         }
1577         g_free(proto);
1578     }
1579 }
1580
1581 #ifdef SYNC
1582 void client_update_sync_request_counter(ObClient *self)
1583 {
1584     guint32 i;
1585
1586     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1587         self->sync_counter = i;
1588     } else
1589         self->sync_counter = None;
1590 }
1591 #endif
1592
1593 static void client_get_colormap(ObClient *self)
1594 {
1595     XWindowAttributes wa;
1596
1597     if (XGetWindowAttributes(ob_display, self->window, &wa))
1598         client_update_colormap(self, wa.colormap);
1599 }
1600
1601 void client_update_colormap(ObClient *self, Colormap colormap)
1602 {
1603     if (colormap == self->colormap) return;
1604
1605     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1606
1607     if (client_focused(self)) {
1608         screen_install_colormap(self, FALSE); /* uninstall old one */
1609         self->colormap = colormap;
1610         screen_install_colormap(self, TRUE); /* install new one */
1611     } else
1612         self->colormap = colormap;
1613 }
1614
1615 void client_update_normal_hints(ObClient *self)
1616 {
1617     XSizeHints size;
1618     glong ret;
1619
1620     /* defaults */
1621     self->min_ratio = 0.0f;
1622     self->max_ratio = 0.0f;
1623     SIZE_SET(self->size_inc, 1, 1);
1624     SIZE_SET(self->base_size, -1, -1);
1625     SIZE_SET(self->min_size, 0, 0);
1626     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1627
1628     /* get the hints from the window */
1629     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1630         /* normal windows can't request placement! har har
1631         if (!client_normal(self))
1632         */
1633         self->positioned = (size.flags & (PPosition|USPosition));
1634         self->sized = (size.flags & (PSize|USSize));
1635
1636         if (size.flags & PWinGravity)
1637             self->gravity = size.win_gravity;
1638
1639         if (size.flags & PAspect) {
1640             if (size.min_aspect.y)
1641                 self->min_ratio =
1642                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1643             if (size.max_aspect.y)
1644                 self->max_ratio =
1645                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1646         }
1647
1648         if (size.flags & PMinSize)
1649             SIZE_SET(self->min_size, size.min_width, size.min_height);
1650
1651         if (size.flags & PMaxSize)
1652             SIZE_SET(self->max_size, size.max_width, size.max_height);
1653
1654         if (size.flags & PBaseSize)
1655             SIZE_SET(self->base_size, size.base_width, size.base_height);
1656
1657         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1658             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1659
1660         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1661                  "size inc (%d %d) base size (%d %d)\n",
1662                  self->min_size.width, self->min_size.height,
1663                  self->max_size.width, self->max_size.height,
1664                  self->size_inc.width, self->size_inc.height,
1665                  self->base_size.width, self->base_size.height);
1666     }
1667     else
1668         ob_debug("Normal hints: not set\n");
1669 }
1670
1671 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1672 {
1673     /* start with everything (cept fullscreen) */
1674     self->decorations =
1675         (OB_FRAME_DECOR_TITLEBAR |
1676          OB_FRAME_DECOR_HANDLE |
1677          OB_FRAME_DECOR_GRIPS |
1678          OB_FRAME_DECOR_BORDER |
1679          OB_FRAME_DECOR_ICON |
1680          OB_FRAME_DECOR_ALLDESKTOPS |
1681          OB_FRAME_DECOR_ICONIFY |
1682          OB_FRAME_DECOR_MAXIMIZE |
1683          OB_FRAME_DECOR_SHADE |
1684          OB_FRAME_DECOR_CLOSE);
1685     self->functions =
1686         (OB_CLIENT_FUNC_RESIZE |
1687          OB_CLIENT_FUNC_MOVE |
1688          OB_CLIENT_FUNC_ICONIFY |
1689          OB_CLIENT_FUNC_MAXIMIZE |
1690          OB_CLIENT_FUNC_SHADE |
1691          OB_CLIENT_FUNC_CLOSE |
1692          OB_CLIENT_FUNC_BELOW |
1693          OB_CLIENT_FUNC_ABOVE |
1694          OB_CLIENT_FUNC_UNDECORATE);
1695
1696     if (!(self->min_size.width < self->max_size.width ||
1697           self->min_size.height < self->max_size.height))
1698         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1699
1700     switch (self->type) {
1701     case OB_CLIENT_TYPE_NORMAL:
1702         /* normal windows retain all of the possible decorations and
1703            functionality, and can be fullscreen */
1704         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1705         break;
1706
1707     case OB_CLIENT_TYPE_DIALOG:
1708         /* sometimes apps make dialog windows fullscreen for some reason (for
1709            e.g. kpdf does this..) */
1710         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1711         break;
1712
1713     case OB_CLIENT_TYPE_UTILITY:
1714         /* these windows don't have anything added or removed by default */
1715         break;
1716
1717     case OB_CLIENT_TYPE_MENU:
1718     case OB_CLIENT_TYPE_TOOLBAR:
1719         /* these windows can't iconify or maximize */
1720         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1721                                OB_FRAME_DECOR_MAXIMIZE);
1722         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1723                              OB_CLIENT_FUNC_MAXIMIZE);
1724         break;
1725
1726     case OB_CLIENT_TYPE_SPLASH:
1727         /* these don't get get any decorations, and the only thing you can
1728            do with them is move them */
1729         self->decorations = 0;
1730         self->functions = OB_CLIENT_FUNC_MOVE;
1731         break;
1732
1733     case OB_CLIENT_TYPE_DESKTOP:
1734         /* these windows are not manipulated by the window manager */
1735         self->decorations = 0;
1736         self->functions = 0;
1737         break;
1738
1739     case OB_CLIENT_TYPE_DOCK:
1740         /* these windows are not manipulated by the window manager, but they
1741            can set below layer which has a special meaning */
1742         self->decorations = 0;
1743         self->functions = OB_CLIENT_FUNC_BELOW;
1744         break;
1745     }
1746
1747     /* Mwm Hints are applied subtractively to what has already been chosen for
1748        decor and functionality */
1749     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1750         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1751             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1752                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1753             {
1754                 /* if the mwm hints request no handle or title, then all
1755                    decorations are disabled, but keep the border if that's
1756                    specified */
1757                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1758                     self->decorations = OB_FRAME_DECOR_BORDER;
1759                 else
1760                     self->decorations = 0;
1761             }
1762         }
1763     }
1764
1765     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1766         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1767             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1768                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1769             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1770                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1771             /* dont let mwm hints kill any buttons
1772                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1773                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1774                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1775                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1776             */
1777             /* dont let mwm hints kill the close button
1778                if (! (self->mwmhints.functions & MwmFunc_Close))
1779                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1780         }
1781     }
1782
1783     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1784         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1785     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1786         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1787     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1788         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1789
1790     /* can't maximize without moving/resizing */
1791     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1792           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1793           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1794         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1795         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1796     }
1797
1798     if (self->max_horz && self->max_vert) {
1799         /* you can't resize fully maximized windows */
1800         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1801         /* kill the handle on fully maxed windows */
1802         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1803     }
1804
1805     /* If there are no decorations to remove, don't allow the user to try
1806        toggle the state */
1807     if (self->decorations == 0)
1808         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1809
1810     /* finally, the user can have requested no decorations, which overrides
1811        everything (but doesnt give it a border if it doesnt have one) */
1812     if (self->undecorated)
1813         self->decorations = 0;
1814
1815     /* if we don't have a titlebar, then we cannot shade! */
1816     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1817         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1818
1819     /* now we need to check against rules for the client's current state */
1820     if (self->fullscreen) {
1821         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1822                             OB_CLIENT_FUNC_FULLSCREEN |
1823                             OB_CLIENT_FUNC_ICONIFY);
1824         self->decorations = 0;
1825     }
1826
1827     client_change_allowed_actions(self);
1828
1829     if (reconfig)
1830         /* force reconfigure to make sure decorations are updated */
1831         client_reconfigure(self, TRUE);
1832 }
1833
1834 static void client_change_allowed_actions(ObClient *self)
1835 {
1836     gulong actions[12];
1837     gint num = 0;
1838
1839     /* desktop windows are kept on all desktops */
1840     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1841         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1842
1843     if (self->functions & OB_CLIENT_FUNC_SHADE)
1844         actions[num++] = prop_atoms.net_wm_action_shade;
1845     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1846         actions[num++] = prop_atoms.net_wm_action_close;
1847     if (self->functions & OB_CLIENT_FUNC_MOVE)
1848         actions[num++] = prop_atoms.net_wm_action_move;
1849     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1850         actions[num++] = prop_atoms.net_wm_action_minimize;
1851     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1852         actions[num++] = prop_atoms.net_wm_action_resize;
1853     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1854         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1855     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1856         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1857         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1858     }
1859     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1860         actions[num++] = prop_atoms.net_wm_action_above;
1861     if (self->functions & OB_CLIENT_FUNC_BELOW)
1862         actions[num++] = prop_atoms.net_wm_action_below;
1863     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1864         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1865
1866     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1867
1868    /* make sure the window isn't breaking any rules now
1869
1870    don't check ICONIFY here.  just cuz a window can't iconify doesnt mean
1871    it can't be iconified with its parent
1872    */
1873
1874     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1875         if (self->frame) client_shade(self, FALSE);
1876         else self->shaded = FALSE;
1877     }
1878     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1879         if (self->frame) client_fullscreen(self, FALSE);
1880         else self->fullscreen = FALSE;
1881     }
1882     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1883                                                          self->max_vert)) {
1884         if (self->frame) client_maximize(self, FALSE, 0);
1885         else self->max_vert = self->max_horz = FALSE;
1886     }
1887 }
1888
1889 void client_update_wmhints(ObClient *self)
1890 {
1891     XWMHints *hints;
1892
1893     /* assume a window takes input if it doesn't specify */
1894     self->can_focus = TRUE;
1895
1896     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1897         gboolean ur;
1898
1899         if (hints->flags & InputHint)
1900             self->can_focus = hints->input;
1901
1902         /* only do this when first managing the window *AND* when we aren't
1903            starting up! */
1904         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1905             if (hints->flags & StateHint)
1906                 self->iconic = hints->initial_state == IconicState;
1907
1908         ur = self->urgent;
1909         self->urgent = (hints->flags & XUrgencyHint);
1910         if (self->urgent && !ur)
1911             client_hilite(self, TRUE);
1912         else if (!self->urgent && ur && self->demands_attention)
1913             client_hilite(self, FALSE);
1914
1915         if (!(hints->flags & WindowGroupHint))
1916             hints->window_group = None;
1917
1918         /* did the group state change? */
1919         if (hints->window_group !=
1920             (self->group ? self->group->leader : None))
1921         {
1922             ObGroup *oldgroup = self->group;
1923
1924             /* remove from the old group if there was one */
1925             if (self->group) {
1926                 group_remove(self->group, self);
1927                 self->group = NULL;
1928             }
1929
1930             /* add ourself to the group if we have one */
1931             if (hints->window_group != None) {
1932                 self->group = group_add(hints->window_group, self);
1933             }
1934
1935             /* Put ourselves into the new group's transient tree, and remove
1936                ourselves from the old group's */
1937             client_update_transient_tree(self, oldgroup, self->group,
1938                                          self->transient_for_group,
1939                                          self->transient_for_group,
1940                                          client_direct_parent(self),
1941                                          client_direct_parent(self));
1942
1943             /* Lastly, being in a group, or not, can change if the window is
1944                transient for anything.
1945
1946                The logic for this is:
1947                self->transient = TRUE always if the window wants to be
1948                transient for something, even if transient_for was NULL because
1949                it wasn't in a group before.
1950
1951                If parents was NULL and oldgroup was NULL we can assume
1952                that when we add the new group, it will become transient for
1953                something.
1954
1955                If transient_for_group is TRUE, then it must have already
1956                had a group. If it is getting a new group, the above call to
1957                client_update_transient_tree has already taken care of
1958                everything ! If it is losing all group status then it will
1959                no longer be transient for anything and that needs to be
1960                updated.
1961             */
1962             if (self->transient &&
1963                 ((self->parents == NULL && oldgroup == NULL) ||
1964                  (self->transient_for_group && !self->group)))
1965                 client_update_transient_for(self);
1966         }
1967
1968         /* the WM_HINTS can contain an icon */
1969         if (hints->flags & IconPixmapHint)
1970             client_update_icons(self);
1971
1972         XFree(hints);
1973     }
1974 }
1975
1976 void client_update_title(ObClient *self)
1977 {
1978     gchar *data = NULL;
1979     gchar *visible = NULL;
1980
1981     g_free(self->title);
1982     g_free(self->original_title);
1983
1984     /* try netwm */
1985     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1986         /* try old x stuff */
1987         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1988               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1989             if (self->transient) {
1990     /*
1991     GNOME alert windows are not given titles:
1992     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1993     */
1994                 data = g_strdup("");
1995             } else
1996                 data = g_strdup(_("Unnamed Window"));
1997         }
1998     }
1999     self->original_title = g_strdup(data);
2000
2001     if (self->client_machine) {
2002         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2003         g_free(data);
2004     } else
2005         visible = data;
2006
2007     if (self->not_responding) {
2008         data = visible;
2009         if (self->kill_level > 0)
2010             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2011         else
2012             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2013         g_free(data);
2014     }
2015
2016     PROP_SETS(self->window, net_wm_visible_name, visible);
2017     self->title = visible;
2018
2019     if (self->frame)
2020         frame_adjust_title(self->frame);
2021
2022     /* update the icon title */
2023     data = NULL;
2024     g_free(self->icon_title);
2025
2026     /* try netwm */
2027     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
2028         /* try old x stuff */
2029         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
2030               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
2031             data = g_strdup(self->title);
2032
2033     if (self->client_machine) {
2034         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
2035         g_free(data);
2036     } else
2037         visible = data;
2038
2039     if (self->not_responding) {
2040         data = visible;
2041         if (self->kill_level > 0)
2042             visible = g_strdup_printf("%s - [%s]", data, _("Killing..."));
2043         else
2044             visible = g_strdup_printf("%s - [%s]", data, _("Not Responding"));
2045         g_free(data);
2046     }
2047
2048     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
2049     self->icon_title = visible;
2050 }
2051
2052 void client_update_strut(ObClient *self)
2053 {
2054     guint num;
2055     guint32 *data;
2056     gboolean got = FALSE;
2057     StrutPartial strut;
2058
2059     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
2060                     &data, &num)) {
2061         if (num == 12) {
2062             got = TRUE;
2063             STRUT_PARTIAL_SET(strut,
2064                               data[0], data[2], data[1], data[3],
2065                               data[4], data[5], data[8], data[9],
2066                               data[6], data[7], data[10], data[11]);
2067         }
2068         g_free(data);
2069     }
2070
2071     if (!got &&
2072         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
2073         if (num == 4) {
2074             Rect *a;
2075
2076             got = TRUE;
2077
2078             /* use the screen's width/height */
2079             a = screen_physical_area_all_monitors();
2080
2081             STRUT_PARTIAL_SET(strut,
2082                               data[0], data[2], data[1], data[3],
2083                               a->y, a->y + a->height - 1,
2084                               a->x, a->x + a->width - 1,
2085                               a->y, a->y + a->height - 1,
2086                               a->x, a->x + a->width - 1);
2087             g_free(a);
2088         }
2089         g_free(data);
2090     }
2091
2092     if (!got)
2093         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
2094                           0, 0, 0, 0, 0, 0, 0, 0);
2095
2096     if (!STRUT_EQUAL(strut, self->strut)) {
2097         self->strut = strut;
2098
2099         /* updating here is pointless while we're being mapped cuz we're not in
2100            the client list yet */
2101         if (self->frame)
2102             screen_update_areas();
2103     }
2104 }
2105
2106 void client_update_icons(ObClient *self)
2107 {
2108     guint num;
2109     guint32 *data;
2110     guint w, h, i, j;
2111     guint num_seen;  /* number of icons present */
2112     RrImage *img;
2113
2114     img = NULL;
2115
2116     /* grab the server, because we might be setting the window's icon and
2117        we don't want them to set it in between and we overwrite their own
2118        icon */
2119     grab_server(TRUE);
2120
2121     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2122         /* figure out how many valid icons are in here */
2123         i = 0;
2124         num_seen = 0;
2125         while (i + 2 < num) { /* +2 is to make sure there is a w and h */
2126             w = data[i++];
2127             h = data[i++];
2128             /* watch for the data being too small for the specified size,
2129                or for zero sized icons. */
2130             if (i + w*h > num || w == 0 || h == 0) break;
2131
2132             /* convert it to the right bit order for ObRender */
2133             for (j = 0; j < w*h; ++j)
2134                 data[i+j] =
2135                     (((data[i+j] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2136                     (((data[i+j] >> 16) & 0xff) << RrDefaultRedOffset)   +
2137                     (((data[i+j] >>  8) & 0xff) << RrDefaultGreenOffset) +
2138                     (((data[i+j] >>  0) & 0xff) << RrDefaultBlueOffset);
2139
2140             /* is it in the cache? */
2141             img = RrImageCacheFind(ob_rr_icons, &data[i], w, h);
2142             if (img) RrImageRef(img); /* own it */
2143
2144             i += w*h;
2145             ++num_seen;
2146
2147             /* don't bother looping anymore if we already found it in the cache
2148                since we'll just use that! */
2149             if (img) break;
2150         }
2151
2152         /* if it's not in the cache yet, then add it to the cache now.
2153            we have already converted it to the correct bit order above */
2154         if (!img && num_seen > 0) {
2155             img = RrImageNew(ob_rr_icons);
2156             i = 0;
2157             for (j = 0; j < num_seen; ++j) {
2158                 w = data[i++];
2159                 h = data[i++];
2160                 RrImageAddPicture(img, &data[i], w, h);
2161                 i += w*h;
2162             }
2163         }
2164
2165         g_free(data);
2166     }
2167
2168     /* if we didn't find an image from the NET_WM_ICON stuff, then try the
2169        legacy X hints */
2170     if (!img) {
2171         XWMHints *hints;
2172
2173         if ((hints = XGetWMHints(ob_display, self->window))) {
2174             if (hints->flags & IconPixmapHint) {
2175                 gboolean xicon;
2176                 xerror_set_ignore(TRUE);
2177                 xicon = RrPixmapToRGBA(ob_rr_inst,
2178                                        hints->icon_pixmap,
2179                                        (hints->flags & IconMaskHint ?
2180                                         hints->icon_mask : None),
2181                                        (gint*)&w, (gint*)&h, &data);
2182                 xerror_set_ignore(FALSE);
2183
2184
2185                 if (xicon) {
2186                     if (w > 0 && h > 0) {
2187                         /* is this icon in the cache yet? */
2188                         img = RrImageCacheFind(ob_rr_icons, data, w, h);
2189                         if (img) RrImageRef(img); /* own it */
2190
2191                         /* if not, then add it */
2192                         if (!img) {
2193                             img = RrImageNew(ob_rr_icons);
2194                             RrImageAddPicture(img, data, w, h);
2195                         }
2196                     }
2197
2198                     g_free(data);
2199                 }
2200             }
2201             XFree(hints);
2202         }
2203     }
2204
2205     /* set the client's icons to be whatever we found */
2206     RrImageUnref(self->icon_set);
2207     self->icon_set = img;
2208
2209     /* if the client has no icon at all, then we set a default icon onto it.
2210        but, if it has parents, then one of them will have an icon already
2211     */
2212     if (!self->icon_set && !self->parents) {
2213         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2214         gulong *ldata; /* use a long here to satisfy OBT_PROP_SETA32 */
2215
2216         w = ob_rr_theme->def_win_icon_w;
2217         h = ob_rr_theme->def_win_icon_h;
2218         ldata = g_new(gulong, w*h+2);
2219         ldata[0] = w;
2220         ldata[1] = h;
2221         for (i = 0; i < w*h; ++i)
2222             ldata[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2223                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2224                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2225                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2226         PROP_SETA32(self->window, net_wm_icon, cardinal, ldata, w*h+2);
2227         g_free(ldata);
2228     } else if (self->frame)
2229         /* don't draw the icon empty if we're just setting one now anyways,
2230            we'll get the property change any second */
2231         frame_adjust_icon(self->frame);
2232
2233     grab_server(FALSE);
2234 }
2235
2236 void client_update_icon_geometry(ObClient *self)
2237 {
2238     guint num;
2239     guint32 *data;
2240
2241     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2242
2243     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num))
2244     {
2245         if (num == 4)
2246             /* don't let them set it with an area < 0 */
2247             RECT_SET(self->icon_geometry, data[0], data[1],
2248                      MAX(data[2],0), MAX(data[3],0));
2249         g_free(data);
2250     }
2251 }
2252
2253 static void client_get_session_ids(ObClient *self)
2254 {
2255     guint32 leader;
2256     gboolean got;
2257     gchar *s;
2258     gchar **ss;
2259
2260     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2261         leader = None;
2262
2263     /* get the SM_CLIENT_ID */
2264     got = FALSE;
2265     if (leader)
2266         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2267     if (!got)
2268         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2269
2270     /* get the WM_CLASS (name and class). make them "" if they are not
2271        provided */
2272     got = FALSE;
2273     if (leader)
2274         got = PROP_GETSS(leader, wm_class, locale, &ss);
2275     if (!got)
2276         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2277
2278     if (got) {
2279         if (ss[0]) {
2280             self->name = g_strdup(ss[0]);
2281             if (ss[1])
2282                 self->class = g_strdup(ss[1]);
2283         }
2284         g_strfreev(ss);
2285     }
2286
2287     if (self->name == NULL) self->name = g_strdup("");
2288     if (self->class == NULL) self->class = g_strdup("");
2289
2290     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2291     got = FALSE;
2292     if (leader)
2293         got = PROP_GETS(leader, wm_window_role, locale, &s);
2294     if (!got)
2295         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2296
2297     if (got)
2298         self->role = s;
2299     else
2300         self->role = g_strdup("");
2301
2302     /* get the WM_COMMAND */
2303     got = FALSE;
2304
2305     if (leader)
2306         got = PROP_GETSS(leader, wm_command, locale, &ss);
2307     if (!got)
2308         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2309
2310     if (got) {
2311         /* merge/mash them all together */
2312         gchar *merge = NULL;
2313         gint i;
2314
2315         for (i = 0; ss[i]; ++i) {
2316             gchar *tmp = merge;
2317             if (merge)
2318                 merge = g_strconcat(merge, ss[i], NULL);
2319             else
2320                 merge = g_strconcat(ss[i], NULL);
2321             g_free(tmp);
2322         }
2323         g_strfreev(ss);
2324
2325         self->wm_command = merge;
2326     }
2327
2328     /* get the WM_CLIENT_MACHINE */
2329     got = FALSE;
2330     if (leader)
2331         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2332     if (!got)
2333         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2334
2335     if (got) {
2336         gchar localhost[128];
2337         guint32 pid;
2338
2339         gethostname(localhost, 127);
2340         localhost[127] = '\0';
2341         if (strcmp(localhost, s) != 0)
2342             self->client_machine = s;
2343         else
2344             g_free(s);
2345
2346         /* see if it has the PID set too (the PID requires that the
2347            WM_CLIENT_MACHINE be set) */
2348         if (PROP_GET32(self->window, net_wm_pid, cardinal, &pid))
2349             self->pid = pid;
2350     }
2351 }
2352
2353 static void client_change_wm_state(ObClient *self)
2354 {
2355     gulong state[2];
2356     glong old;
2357
2358     old = self->wmstate;
2359
2360     if (self->shaded || self->iconic ||
2361         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2362     {
2363         self->wmstate = IconicState;
2364     } else
2365         self->wmstate = NormalState;
2366
2367     if (old != self->wmstate) {
2368         PROP_MSG(self->window, kde_wm_change_state,
2369                  self->wmstate, 1, 0, 0);
2370
2371         state[0] = self->wmstate;
2372         state[1] = None;
2373         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2374     }
2375 }
2376
2377 static void client_change_state(ObClient *self)
2378 {
2379     gulong netstate[12];
2380     guint num;
2381
2382     num = 0;
2383     if (self->modal)
2384         netstate[num++] = prop_atoms.net_wm_state_modal;
2385     if (self->shaded)
2386         netstate[num++] = prop_atoms.net_wm_state_shaded;
2387     if (self->iconic)
2388         netstate[num++] = prop_atoms.net_wm_state_hidden;
2389     if (self->skip_taskbar)
2390         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2391     if (self->skip_pager)
2392         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2393     if (self->fullscreen)
2394         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2395     if (self->max_vert)
2396         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2397     if (self->max_horz)
2398         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2399     if (self->above)
2400         netstate[num++] = prop_atoms.net_wm_state_above;
2401     if (self->below)
2402         netstate[num++] = prop_atoms.net_wm_state_below;
2403     if (self->demands_attention)
2404         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2405     if (self->undecorated)
2406         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2407     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2408
2409     if (self->frame)
2410         frame_adjust_state(self->frame);
2411 }
2412
2413 ObClient *client_search_focus_tree(ObClient *self)
2414 {
2415     GSList *it;
2416     ObClient *ret;
2417
2418     for (it = self->transients; it; it = g_slist_next(it)) {
2419         if (client_focused(it->data)) return it->data;
2420         if ((ret = client_search_focus_tree(it->data))) return ret;
2421     }
2422     return NULL;
2423 }
2424
2425 ObClient *client_search_focus_tree_full(ObClient *self)
2426 {
2427     if (self->parents) {
2428         GSList *it;
2429
2430         for (it = self->parents; it; it = g_slist_next(it)) {
2431             ObClient *c = it->data;
2432             if ((c = client_search_focus_tree_full(it->data))) return c;
2433         }
2434
2435         return NULL;
2436     }
2437     else {
2438         /* this function checks the whole tree, the client_search_focus_tree
2439            does not, so we need to check this window */
2440         if (client_focused(self))
2441             return self;
2442         return client_search_focus_tree(self);
2443     }
2444 }
2445
2446 ObClient *client_search_focus_group_full(ObClient *self)
2447 {
2448     GSList *it;
2449
2450     if (self->group) {
2451         for (it = self->group->members; it; it = g_slist_next(it)) {
2452             ObClient *c = it->data;
2453
2454             if (client_focused(c)) return c;
2455             if ((c = client_search_focus_tree(it->data))) return c;
2456         }
2457     } else
2458         if (client_focused(self)) return self;
2459     return NULL;
2460 }
2461
2462 gboolean client_has_parent(ObClient *self)
2463 {
2464     return self->parents != NULL;
2465 }
2466
2467 static ObStackingLayer calc_layer(ObClient *self)
2468 {
2469     ObStackingLayer l;
2470     Rect *monitor;
2471
2472     monitor = screen_physical_area_monitor(client_monitor(self));
2473
2474     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2475         l = OB_STACKING_LAYER_DESKTOP;
2476     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2477         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2478         else l = OB_STACKING_LAYER_ABOVE;
2479     }
2480     else if ((self->fullscreen ||
2481               /* No decorations and fills the monitor = oldskool fullscreen.
2482                  But not for maximized windows.
2483               */
2484               (self->decorations == 0 &&
2485                !(self->max_horz && self->max_vert) &&
2486                RECT_EQUAL(self->area, *monitor))) &&
2487              /* you are fullscreen while you or your children are focused.. */
2488              (client_focused(self) || client_search_focus_tree(self) ||
2489               /* you can be fullscreen if you're on another desktop */
2490               (self->desktop != screen_desktop &&
2491                self->desktop != DESKTOP_ALL) ||
2492               /* and you can also be fullscreen if the focused client is on
2493                  another monitor, or nothing else is focused */
2494               (!focus_client ||
2495                client_monitor(focus_client) != client_monitor(self))))
2496         l = OB_STACKING_LAYER_FULLSCREEN;
2497     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2498     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2499     else l = OB_STACKING_LAYER_NORMAL;
2500
2501     g_free(monitor);
2502
2503     return l;
2504 }
2505
2506 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2507                                         ObStackingLayer min)
2508 {
2509     ObStackingLayer old, own;
2510     GSList *it;
2511
2512     old = self->layer;
2513     own = calc_layer(self);
2514     self->layer = MAX(own, min);
2515
2516     if (self->layer != old) {
2517         stacking_remove(CLIENT_AS_WINDOW(self));
2518         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2519     }
2520
2521     /* we've been restacked */
2522     self->visited = TRUE;
2523
2524     for (it = self->transients; it; it = g_slist_next(it))
2525         client_calc_layer_recursive(it->data, orig,
2526                                     self->layer);
2527 }
2528
2529 static void client_calc_layer_internal(ObClient *self)
2530 {
2531     GSList *sit;
2532
2533     /* transients take on the layer of their parents */
2534     sit = client_search_all_top_parents(self);
2535
2536     for (; sit; sit = g_slist_next(sit))
2537         client_calc_layer_recursive(sit->data, self, 0);
2538 }
2539
2540 void client_calc_layer(ObClient *self)
2541 {
2542     GList *it;
2543
2544     /* skip over stuff above fullscreen layer */
2545     for (it = stacking_list; it; it = g_list_next(it))
2546         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2547
2548     /* find the windows in the fullscreen layer, and mark them not-visited */
2549     for (; it; it = g_list_next(it)) {
2550         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2551         else if (WINDOW_IS_CLIENT(it->data))
2552             WINDOW_AS_CLIENT(it->data)->visited = FALSE;
2553     }
2554
2555     client_calc_layer_internal(self);
2556
2557     /* skip over stuff above fullscreen layer */
2558     for (it = stacking_list; it; it = g_list_next(it))
2559         if (window_layer(it->data) <= OB_STACKING_LAYER_FULLSCREEN) break;
2560
2561     /* now recalc any windows in the fullscreen layer which have not
2562        had their layer recalced already */
2563     for (; it; it = g_list_next(it)) {
2564         if (window_layer(it->data) < OB_STACKING_LAYER_FULLSCREEN) break;
2565         else if (WINDOW_IS_CLIENT(it->data) &&
2566                  !WINDOW_AS_CLIENT(it->data)->visited)
2567             client_calc_layer_internal(it->data);
2568     }
2569 }
2570
2571 gboolean client_should_show(ObClient *self)
2572 {
2573     if (self->iconic)
2574         return FALSE;
2575     if (client_normal(self) && screen_showing_desktop)
2576         return FALSE;
2577     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2578         return TRUE;
2579
2580     return FALSE;
2581 }
2582
2583 gboolean client_show(ObClient *self)
2584 {
2585     gboolean show = FALSE;
2586
2587     if (client_should_show(self)) {
2588         /* replay pending pointer event before showing the window, in case it
2589            should be going to something under the window */
2590         mouse_replay_pointer();
2591
2592         frame_show(self->frame);
2593         show = TRUE;
2594
2595         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2596            it needs to be in IconicState. This includes when it is on another
2597            desktop!
2598         */
2599         client_change_wm_state(self);
2600     }
2601     return show;
2602 }
2603
2604 gboolean client_hide(ObClient *self)
2605 {
2606     gboolean hide = FALSE;
2607
2608     if (!client_should_show(self)) {
2609         if (self == focus_client) {
2610             event_cancel_all_key_grabs();
2611         }
2612
2613         /* We don't need to ignore enter events here.
2614            The window can hide/iconify in 3 different ways:
2615            1 - through an x message. in this case we ignore all enter events
2616                caused by responding to the x message (unless underMouse)
2617            2 - by a keyboard action. in this case we ignore all enter events
2618                caused by the action
2619            3 - by a mouse action. in this case they are doing stuff with the
2620                mouse and focus _should_ move.
2621
2622            Also in action_end, we simulate an enter event that can't be ignored
2623            so trying to ignore them is futile in case 3 anyways
2624         */
2625
2626         /* replay pending pointer event before hiding the window, in case it
2627            should be going to the window */
2628         mouse_replay_pointer();
2629
2630         frame_hide(self->frame);
2631         hide = TRUE;
2632
2633         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2634            it needs to be in IconicState. This includes when it is on another
2635            desktop!
2636         */
2637         client_change_wm_state(self);
2638     }
2639     return hide;
2640 }
2641
2642 void client_showhide(ObClient *self)
2643 {
2644     if (!client_show(self))
2645         client_hide(self);
2646 }
2647
2648 gboolean client_normal(ObClient *self) {
2649     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2650               self->type == OB_CLIENT_TYPE_DOCK ||
2651               self->type == OB_CLIENT_TYPE_SPLASH);
2652 }
2653
2654 gboolean client_helper(ObClient *self)
2655 {
2656     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2657             self->type == OB_CLIENT_TYPE_MENU ||
2658             self->type == OB_CLIENT_TYPE_TOOLBAR);
2659 }
2660
2661 gboolean client_mouse_focusable(ObClient *self)
2662 {
2663     return !(self->type == OB_CLIENT_TYPE_MENU ||
2664              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2665              self->type == OB_CLIENT_TYPE_SPLASH ||
2666              self->type == OB_CLIENT_TYPE_DOCK);
2667 }
2668
2669 gboolean client_enter_focusable(ObClient *self)
2670 {
2671     /* you can focus desktops but it shouldn't on enter */
2672     return (client_mouse_focusable(self) &&
2673             self->type != OB_CLIENT_TYPE_DESKTOP);
2674 }
2675
2676
2677 static void client_apply_startup_state(ObClient *self,
2678                                        gint x, gint y, gint w, gint h)
2679 {
2680     /* save the states that we are going to apply */
2681     gboolean iconic = self->iconic;
2682     gboolean fullscreen = self->fullscreen;
2683     gboolean undecorated = self->undecorated;
2684     gboolean shaded = self->shaded;
2685     gboolean demands_attention = self->demands_attention;
2686     gboolean max_horz = self->max_horz;
2687     gboolean max_vert = self->max_vert;
2688     Rect oldarea;
2689     gint l;
2690
2691     /* turn them all off in the client, so they won't affect the window
2692        being placed */
2693     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2694         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2695
2696     /* move the client to its placed position, or it it's already there,
2697        generate a ConfigureNotify telling the client where it is.
2698
2699        do this after adjusting the frame. otherwise it gets all weird and
2700        clients don't work right
2701
2702        do this before applying the states so they have the correct
2703        pre-max/pre-fullscreen values
2704     */
2705     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2706     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2707              self->window, x, y, w, h);
2708     /* save the area, and make it where it should be for the premax stuff */
2709     oldarea = self->area;
2710     RECT_SET(self->area, x, y, w, h);
2711
2712     /* apply the states. these are in a carefully crafted order.. */
2713
2714     if (iconic)
2715         client_iconify(self, TRUE, FALSE, TRUE);
2716     if (fullscreen)
2717         client_fullscreen(self, TRUE);
2718     if (undecorated)
2719         client_set_undecorated(self, TRUE);
2720     if (shaded)
2721         client_shade(self, TRUE);
2722     if (demands_attention)
2723         client_hilite(self, TRUE);
2724
2725     if (max_vert && max_horz)
2726         client_maximize(self, TRUE, 0);
2727     else if (max_vert)
2728         client_maximize(self, TRUE, 2);
2729     else if (max_horz)
2730         client_maximize(self, TRUE, 1);
2731
2732     /* if the window hasn't been configured yet, then do so now, in fact the
2733        x,y,w,h may _not_ be the same as the area rect, which can end up
2734        meaning that the client isn't properly moved/resized by the fullscreen
2735        function
2736        pho can cause this because it maps at size of the screen but not 0,0
2737        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2738        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2739        cuz thats where the pre-fullscreen will be. however the actual area is
2740        not, so this needs to be called even if we have fullscreened/maxed
2741     */
2742     self->area = oldarea;
2743     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2744
2745     /* set the desktop hint, to make sure that it always exists */
2746     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2747
2748     /* nothing to do for the other states:
2749        skip_taskbar
2750        skip_pager
2751        modal
2752        above
2753        below
2754     */
2755 }
2756
2757 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2758 {
2759     /* these should be the current values. this is for when you're not moving,
2760        just resizing */
2761     g_assert(*x == self->area.x);
2762     g_assert(oldw == self->area.width);
2763
2764     /* horizontal */
2765     switch (self->gravity) {
2766     default:
2767     case NorthWestGravity:
2768     case WestGravity:
2769     case SouthWestGravity:
2770     case StaticGravity:
2771     case ForgetGravity:
2772         break;
2773     case NorthGravity:
2774     case CenterGravity:
2775     case SouthGravity:
2776         *x -= (neww - oldw) / 2;
2777         break;
2778     case NorthEastGravity:
2779     case EastGravity:
2780     case SouthEastGravity:
2781         *x -= neww - oldw;
2782         break;
2783     }
2784 }
2785
2786 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2787 {
2788     /* these should be the current values. this is for when you're not moving,
2789        just resizing */
2790     g_assert(*y == self->area.y);
2791     g_assert(oldh == self->area.height);
2792
2793     /* vertical */
2794     switch (self->gravity) {
2795     default:
2796     case NorthWestGravity:
2797     case NorthGravity:
2798     case NorthEastGravity:
2799     case StaticGravity:
2800     case ForgetGravity:
2801         break;
2802     case WestGravity:
2803     case CenterGravity:
2804     case EastGravity:
2805         *y -= (newh - oldh) / 2;
2806         break;
2807     case SouthWestGravity:
2808     case SouthGravity:
2809     case SouthEastGravity:
2810         *y -= newh - oldh;
2811         break;
2812     }
2813 }
2814
2815 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2816                           gint *logicalw, gint *logicalh,
2817                           gboolean user)
2818 {
2819     Rect desired = {*x, *y, *w, *h};
2820     frame_rect_to_frame(self->frame, &desired);
2821
2822     /* make the frame recalculate its dimensions n shit without changing
2823        anything visible for real, this way the constraints below can work with
2824        the updated frame dimensions. */
2825     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2826
2827     /* gets the frame's position */
2828     frame_client_gravity(self->frame, x, y);
2829
2830     /* these positions are frame positions, not client positions */
2831
2832     /* set the size and position if fullscreen */
2833     if (self->fullscreen) {
2834         Rect *a;
2835         guint i;
2836
2837         i = screen_find_monitor(&desired);
2838         a = screen_physical_area_monitor(i);
2839
2840         *x = a->x;
2841         *y = a->y;
2842         *w = a->width;
2843         *h = a->height;
2844
2845         user = FALSE; /* ignore if the client can't be moved/resized when it
2846                          is fullscreening */
2847
2848         g_free(a);
2849     } else if (self->max_horz || self->max_vert) {
2850         Rect *a;
2851         guint i;
2852
2853         /* use all possible struts when maximizing to the full screen */
2854         i = screen_find_monitor(&desired);
2855         a = screen_area(self->desktop, i,
2856                         (self->max_horz && self->max_vert ? NULL : &desired));
2857
2858         /* set the size and position if maximized */
2859         if (self->max_horz) {
2860             *x = a->x;
2861             *w = a->width - self->frame->size.left - self->frame->size.right;
2862         }
2863         if (self->max_vert) {
2864             *y = a->y;
2865             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2866         }
2867
2868         user = FALSE; /* ignore if the client can't be moved/resized when it
2869                          is maximizing */
2870
2871         g_free(a);
2872     }
2873
2874     /* gets the client's position */
2875     frame_frame_gravity(self->frame, x, y);
2876
2877     /* work within the preferred sizes given by the window */
2878     if (!(*w == self->area.width && *h == self->area.height)) {
2879         gint basew, baseh, minw, minh;
2880         gint incw, inch;
2881         gfloat minratio, maxratio;
2882
2883         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2884         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2885         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2886             0 : self->min_ratio;
2887         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2888             0 : self->max_ratio;
2889
2890         /* base size is substituted with min size if not specified */
2891         if (self->base_size.width >= 0 || self->base_size.height >= 0) {
2892             basew = self->base_size.width;
2893             baseh = self->base_size.height;
2894         } else {
2895             basew = self->min_size.width;
2896             baseh = self->min_size.height;
2897         }
2898         /* min size is substituted with base size if not specified */
2899         if (self->min_size.width || self->min_size.height) {
2900             minw = self->min_size.width;
2901             minh = self->min_size.height;
2902         } else {
2903             minw = self->base_size.width;
2904             minh = self->base_size.height;
2905         }
2906
2907         /* This comment is no longer true */
2908         /* if this is a user-requested resize, then check against min/max
2909            sizes */
2910
2911         /* smaller than min size or bigger than max size? */
2912         if (*w > self->max_size.width) *w = self->max_size.width;
2913         if (*w < minw) *w = minw;
2914         if (*h > self->max_size.height) *h = self->max_size.height;
2915         if (*h < minh) *h = minh;
2916
2917         *w -= basew;
2918         *h -= baseh;
2919
2920         /* keep to the increments */
2921         *w /= incw;
2922         *h /= inch;
2923
2924         /* you cannot resize to nothing */
2925         if (basew + *w < 1) *w = 1 - basew;
2926         if (baseh + *h < 1) *h = 1 - baseh;
2927
2928         /* save the logical size */
2929         *logicalw = incw > 1 ? *w : *w + basew;
2930         *logicalh = inch > 1 ? *h : *h + baseh;
2931
2932         *w *= incw;
2933         *h *= inch;
2934
2935         *w += basew;
2936         *h += baseh;
2937
2938         /* adjust the height to match the width for the aspect ratios.
2939            for this, min size is not substituted for base size ever. */
2940         *w -= self->base_size.width;
2941         *h -= self->base_size.height;
2942
2943         if (minratio)
2944             if (*h * minratio > *w) {
2945                 *h = (gint)(*w / minratio);
2946
2947                 /* you cannot resize to nothing */
2948                 if (*h < 1) {
2949                     *h = 1;
2950                     *w = (gint)(*h * minratio);
2951                 }
2952             }
2953         if (maxratio)
2954             if (*h * maxratio < *w) {
2955                 *h = (gint)(*w / maxratio);
2956
2957                 /* you cannot resize to nothing */
2958                 if (*h < 1) {
2959                     *h = 1;
2960                     *w = (gint)(*h * minratio);
2961                 }
2962             }
2963
2964         *w += self->base_size.width;
2965         *h += self->base_size.height;
2966     }
2967
2968     /* these override the above states! if you cant move you can't move! */
2969     if (user) {
2970         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2971             *x = self->area.x;
2972             *y = self->area.y;
2973         }
2974         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2975             *w = self->area.width;
2976             *h = self->area.height;
2977         }
2978     }
2979
2980     g_assert(*w > 0);
2981     g_assert(*h > 0);
2982 }
2983
2984
2985 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2986                       gboolean user, gboolean final, gboolean force_reply)
2987 {
2988     Rect oldframe;
2989     gint oldw, oldh;
2990     gboolean send_resize_client;
2991     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2992     gboolean fmoved, fresized;
2993     guint fdecor = self->frame->decorations;
2994     gboolean fhorz = self->frame->max_horz;
2995     gboolean fvert = self->frame->max_vert;
2996     gint logicalw, logicalh;
2997
2998     /* find the new x, y, width, and height (and logical size) */
2999     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
3000
3001     /* set the logical size if things changed */
3002     if (!(w == self->area.width && h == self->area.height))
3003         SIZE_SET(self->logical_size, logicalw, logicalh);
3004
3005     /* figure out if we moved or resized or what */
3006     moved = (x != self->area.x || y != self->area.y);
3007     resized = (w != self->area.width || h != self->area.height);
3008
3009     oldw = self->area.width;
3010     oldh = self->area.height;
3011     oldframe = self->frame->area;
3012     RECT_SET(self->area, x, y, w, h);
3013
3014     /* for app-requested resizes, always resize if 'resized' is true.
3015        for user-requested ones, only resize if final is true, or when
3016        resizing in redraw mode */
3017     send_resize_client = ((!user && resized) ||
3018                           (user && (final ||
3019                                     (resized && config_resize_redraw))));
3020
3021     /* if the client is enlarging, then resize the client before the frame */
3022     if (send_resize_client && (w > oldw || h > oldh)) {
3023         XMoveResizeWindow(ob_display, self->window,
3024                           self->frame->size.left, self->frame->size.top,
3025                           MAX(w, oldw), MAX(h, oldh));
3026         frame_adjust_client_area(self->frame);
3027     }
3028
3029     /* find the frame's dimensions and move/resize it */
3030     fmoved = moved;
3031     fresized = resized;
3032
3033     /* if decorations changed, then readjust everything for the frame */
3034     if (self->decorations != fdecor ||
3035         self->max_horz != fhorz || self->max_vert != fvert)
3036     {
3037         fmoved = fresized = TRUE;
3038     }
3039
3040     /* adjust the frame */
3041     if (fmoved || fresized) {
3042         gulong ignore_start;
3043         if (!user)
3044             ignore_start = event_start_ignore_all_enters();
3045
3046         /* replay pending pointer event before move the window, in case it
3047            would change what window gets the event */
3048         mouse_replay_pointer();
3049
3050         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
3051
3052         if (!user)
3053             event_end_ignore_all_enters(ignore_start);
3054     }
3055
3056     if (!user || final) {
3057         gint oldrx = self->root_pos.x;
3058         gint oldry = self->root_pos.y;
3059         /* we have reset the client to 0 border width, so don't include
3060            it in these coords */
3061         POINT_SET(self->root_pos,
3062                   self->frame->area.x + self->frame->size.left -
3063                   self->border_width,
3064                   self->frame->area.y + self->frame->size.top -
3065                   self->border_width);
3066         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
3067             rootmoved = TRUE;
3068     }
3069
3070     /* This is kinda tricky and should not be changed.. let me explain!
3071
3072        When user = FALSE, then the request is coming from the application
3073        itself, and we are more strict about when to send a synthetic
3074        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
3075        in this case (if force_reply is true)
3076
3077        When user = TRUE, then the request is coming from "us", like when we
3078        maximize a window or something.  In this case we are more lenient.  We
3079        used to follow the same rules as above, but _Java_ Swing can't handle
3080        this. So just to appease Swing, when user = TRUE, we always send
3081        a synthetic ConfigureNotify to give the window its root coordinates.
3082     */
3083     if ((!user && !resized && (rootmoved || force_reply)) ||
3084         (user && final && rootmoved))
3085     {
3086         XEvent event;
3087
3088         event.type = ConfigureNotify;
3089         event.xconfigure.display = ob_display;
3090         event.xconfigure.event = self->window;
3091         event.xconfigure.window = self->window;
3092
3093         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
3094                  self->title, self->root_pos.x, self->root_pos.y, w, h);
3095
3096         /* root window real coords */
3097         event.xconfigure.x = self->root_pos.x;
3098         event.xconfigure.y = self->root_pos.y;
3099         event.xconfigure.width = w;
3100         event.xconfigure.height = h;
3101         event.xconfigure.border_width = self->border_width;
3102         event.xconfigure.above = None;
3103         event.xconfigure.override_redirect = FALSE;
3104         XSendEvent(event.xconfigure.display, event.xconfigure.window,
3105                    FALSE, StructureNotifyMask, &event);
3106     }
3107
3108     /* if the client is shrinking, then resize the frame before the client.
3109
3110        both of these resize sections may run, because the top one only resizes
3111        in the direction that is growing
3112      */
3113     if (send_resize_client && (w <= oldw || h <= oldh)) {
3114         frame_adjust_client_area(self->frame);
3115         XMoveResizeWindow(ob_display, self->window,
3116                           self->frame->size.left, self->frame->size.top, w, h);
3117     }
3118
3119     XFlush(ob_display);
3120
3121     /* if it moved between monitors, then this can affect the stacking
3122        layer of this window or others - for fullscreen windows */
3123     if (screen_find_monitor(&self->frame->area) !=
3124         screen_find_monitor(&oldframe))
3125     {
3126         client_calc_layer(self);
3127     }
3128 }
3129
3130 void client_fullscreen(ObClient *self, gboolean fs)
3131 {
3132     gint x, y, w, h;
3133
3134     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
3135         self->fullscreen == fs) return;                   /* already done */
3136
3137     self->fullscreen = fs;
3138     client_change_state(self); /* change the state hints on the client */
3139
3140     if (fs) {
3141         self->pre_fullscreen_area = self->area;
3142         /* if the window is maximized, its area isn't all that meaningful.
3143            save its premax area instead. */
3144         if (self->max_horz) {
3145             self->pre_fullscreen_area.x = self->pre_max_area.x;
3146             self->pre_fullscreen_area.width = self->pre_max_area.width;
3147         }
3148         if (self->max_vert) {
3149             self->pre_fullscreen_area.y = self->pre_max_area.y;
3150             self->pre_fullscreen_area.height = self->pre_max_area.height;
3151         }
3152
3153         /* these will help configure_full figure out where to fullscreen
3154            the window */
3155         x = self->area.x;
3156         y = self->area.y;
3157         w = self->area.width;
3158         h = self->area.height;
3159     } else {
3160         g_assert(self->pre_fullscreen_area.width > 0 &&
3161                  self->pre_fullscreen_area.height > 0);
3162
3163         x = self->pre_fullscreen_area.x;
3164         y = self->pre_fullscreen_area.y;
3165         w = self->pre_fullscreen_area.width;
3166         h = self->pre_fullscreen_area.height;
3167         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3168     }
3169
3170     ob_debug("Window %s going fullscreen (%d)\n",
3171              self->title, self->fullscreen);
3172
3173     client_setup_decor_and_functions(self, FALSE);
3174     client_move_resize(self, x, y, w, h);
3175
3176     /* and adjust our layer/stacking. do this after resizing the window,
3177        and applying decorations, because windows which fill the screen are
3178        considered "fullscreen" and it affects their layer */
3179     client_calc_layer(self);
3180
3181     if (fs) {
3182         /* try focus us when we go into fullscreen mode */
3183         client_focus(self);
3184     }
3185 }
3186
3187 static void client_iconify_recursive(ObClient *self,
3188                                      gboolean iconic, gboolean curdesk,
3189                                      gboolean hide_animation)
3190 {
3191     GSList *it;
3192     gboolean changed = FALSE;
3193
3194     if (self->iconic != iconic) {
3195         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3196                  self->window);
3197
3198         if (iconic) {
3199             /* don't let non-normal windows iconify along with their parents
3200                or whatever */
3201             if (client_normal(self)) {
3202                 self->iconic = iconic;
3203
3204                 /* update the focus lists.. iconic windows go to the bottom of
3205                    the list */
3206                 focus_order_to_bottom(self);
3207
3208                 changed = TRUE;
3209             }
3210         } else {
3211             self->iconic = iconic;
3212
3213             if (curdesk && self->desktop != screen_desktop &&
3214                 self->desktop != DESKTOP_ALL)
3215                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3216
3217             /* this puts it after the current focused window */
3218             focus_order_remove(self);
3219             focus_order_add_new(self);
3220
3221             changed = TRUE;
3222         }
3223     }
3224
3225     if (changed) {
3226         client_change_state(self);
3227         if (config_animate_iconify && !hide_animation)
3228             frame_begin_iconify_animation(self->frame, iconic);
3229         /* do this after starting the animation so it doesn't flash */
3230         client_showhide(self);
3231     }
3232
3233     /* iconify all direct transients, and deiconify all transients
3234        (non-direct too) */
3235     for (it = self->transients; it; it = g_slist_next(it))
3236         if (it->data != self)
3237             if (client_is_direct_child(self, it->data) || !iconic)
3238                 client_iconify_recursive(it->data, iconic, curdesk,
3239                                          hide_animation);
3240 }
3241
3242 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3243                     gboolean hide_animation)
3244 {
3245     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3246         /* move up the transient chain as far as possible first */
3247         self = client_search_top_direct_parent(self);
3248         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3249     }
3250 }
3251
3252 void client_maximize(ObClient *self, gboolean max, gint dir)
3253 {
3254     gint x, y, w, h;
3255
3256     g_assert(dir == 0 || dir == 1 || dir == 2);
3257     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3258
3259     /* check if already done */
3260     if (max) {
3261         if (dir == 0 && self->max_horz && self->max_vert) return;
3262         if (dir == 1 && self->max_horz) return;
3263         if (dir == 2 && self->max_vert) return;
3264     } else {
3265         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3266         if (dir == 1 && !self->max_horz) return;
3267         if (dir == 2 && !self->max_vert) return;
3268     }
3269
3270     /* these will help configure_full figure out which screen to fill with
3271        the window */
3272     x = self->area.x;
3273     y = self->area.y;
3274     w = self->area.width;
3275     h = self->area.height;
3276
3277     if (max) {
3278         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3279             RECT_SET(self->pre_max_area,
3280                      self->area.x, self->pre_max_area.y,
3281                      self->area.width, self->pre_max_area.height);
3282         }
3283         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3284             RECT_SET(self->pre_max_area,
3285                      self->pre_max_area.x, self->area.y,
3286                      self->pre_max_area.width, self->area.height);
3287         }
3288     } else {
3289         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3290             g_assert(self->pre_max_area.width > 0);
3291
3292             x = self->pre_max_area.x;
3293             w = self->pre_max_area.width;
3294
3295             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3296                      0, self->pre_max_area.height);
3297         }
3298         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3299             g_assert(self->pre_max_area.height > 0);
3300
3301             y = self->pre_max_area.y;
3302             h = self->pre_max_area.height;
3303
3304             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3305                      self->pre_max_area.width, 0);
3306         }
3307     }
3308
3309     if (dir == 0 || dir == 1) /* horz */
3310         self->max_horz = max;
3311     if (dir == 0 || dir == 2) /* vert */
3312         self->max_vert = max;
3313
3314     client_change_state(self); /* change the state hints on the client */
3315
3316     client_setup_decor_and_functions(self, FALSE);
3317     client_move_resize(self, x, y, w, h);
3318 }
3319
3320 void client_shade(ObClient *self, gboolean shade)
3321 {
3322     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3323          shade) ||                         /* can't shade */
3324         self->shaded == shade) return;     /* already done */
3325
3326     self->shaded = shade;
3327     client_change_state(self);
3328     client_change_wm_state(self); /* the window is being hidden/shown */
3329     /* resize the frame to just the titlebar */
3330     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3331 }
3332
3333 static void client_ping_event(ObClient *self, gboolean dead)
3334 {
3335     if (self->not_responding != dead) {
3336         self->not_responding = dead;
3337         client_update_title(self);
3338
3339         if (dead)
3340             /* the client isn't responding, so ask to kill it */
3341             client_prompt_kill(self);
3342         else {
3343             /* it came back to life ! */
3344
3345             if (self->kill_prompt) {
3346                 prompt_unref(self->kill_prompt);
3347                 self->kill_prompt = NULL;
3348             }
3349
3350             self->kill_level = 0;
3351         }
3352     }
3353 }
3354
3355 void client_close(ObClient *self)
3356 {
3357     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3358
3359     /* if closing an internal obprompt, that is just cancelling it */
3360     if (self->prompt) {
3361         prompt_cancel(self->prompt);
3362         return;
3363     }
3364
3365     /* in the case that the client provides no means to requesting that it
3366        close, we just kill it */
3367     if (!self->delete_window)
3368         /* don't use client_kill(), we should only kill based on PID in
3369            response to a lack of PING replies */
3370         XKillClient(ob_display, self->window);
3371     else {
3372         /* request the client to close with WM_DELETE_WINDOW */
3373         PROP_MSG_TO(self->window, self->window, wm_protocols,
3374                     prop_atoms.wm_delete_window, event_curtime, 0, 0, 0,
3375                     NoEventMask);
3376
3377         /* we're trying to close the window, so see if it is responding. if it
3378            is not, then we will let them kill the window */
3379         if (self->ping)
3380             ping_start(self, client_ping_event);
3381
3382         /* if we already know the window isn't responding (maybe they clicked
3383            no in the kill dialog but it hasn't come back to life), then show
3384            the kill dialog */
3385         if (self->not_responding)
3386             client_prompt_kill(self);
3387     }
3388 }
3389
3390 #define OB_KILL_RESULT_NO 0
3391 #define OB_KILL_RESULT_YES 1
3392
3393 static void client_kill_requested(ObPrompt *p, gint result, gpointer data)
3394 {
3395     ObClient *self = data;
3396
3397     if (result == OB_KILL_RESULT_YES)
3398         client_kill(self);
3399
3400     prompt_unref(self->kill_prompt);
3401     self->kill_prompt = NULL;
3402 }
3403
3404 static void client_prompt_kill(ObClient *self)
3405 {
3406     /* check if we're already prompting */
3407     if (!self->kill_prompt) {
3408         ObPromptAnswer answers[] = {
3409             { 0, OB_KILL_RESULT_NO },
3410             { 0, OB_KILL_RESULT_YES }
3411         };
3412         gchar *m;
3413         const gchar *y;
3414
3415         if (client_on_localhost(self)) {
3416             const gchar *sig;
3417
3418             if (self->kill_level == 0)
3419                 sig = "terminate";
3420             else
3421                 sig = "kill";
3422
3423             m = g_strdup_printf
3424                 (_("The window \"%s\" does not seem to be responding.  Do you want to force it to exit by sending the %s signal?"),
3425                  self->original_title, sig);
3426             y = _("End Process");
3427         }
3428         else {
3429             m = g_strdup_printf
3430                 (_("The window \"%s\" does not seem to be responding.  Do you want to disconnect it from the X server?"),
3431                  self->original_title);
3432             y = _("Disconnect");
3433         }
3434         /* set the dialog buttons' text */
3435         answers[0].text = _("Cancel");  /* "no" */
3436         answers[1].text = y;            /* "yes" */
3437
3438         self->kill_prompt = prompt_new(m, answers,
3439                                        sizeof(answers)/sizeof(answers[0]),
3440                                        OB_KILL_RESULT_NO, /* default = no */
3441                                        OB_KILL_RESULT_NO, /* cancel = no */
3442                                        client_kill_requested, self);
3443         g_free(m);
3444     }
3445
3446     prompt_show(self->kill_prompt, self, TRUE);
3447 }
3448
3449 void client_kill(ObClient *self)
3450 {
3451     /* don't kill our own windows */
3452     if (self->prompt) return;
3453
3454     if (client_on_localhost(self) && self->pid) {
3455         /* running on the local host */
3456         if (self->kill_level == 0) {
3457             ob_debug("killing window 0x%x with pid %lu, with SIGTERM",
3458                      self->window, self->pid);
3459             kill(self->pid, SIGTERM);
3460             ++self->kill_level;
3461
3462             /* show that we're trying to kill it */
3463             client_update_title(self);
3464         }
3465         else {
3466             ob_debug("killing window 0x%x with pid %lu, with SIGKILL\n",
3467                      self->window, self->pid);
3468             kill(self->pid, SIGKILL); /* kill -9 */
3469         }
3470     }
3471     else {
3472         /* running on a remote host */
3473         XKillClient(ob_display, self->window);
3474     }
3475 }
3476
3477 void client_hilite(ObClient *self, gboolean hilite)
3478 {
3479     if (self->demands_attention == hilite)
3480         return; /* no change */
3481
3482     /* don't allow focused windows to hilite */
3483     self->demands_attention = hilite && !client_focused(self);
3484     if (self->frame != NULL) { /* if we're mapping, just set the state */
3485         if (self->demands_attention)
3486             frame_flash_start(self->frame);
3487         else
3488             frame_flash_stop(self->frame);
3489         client_change_state(self);
3490     }
3491 }
3492
3493 static void client_set_desktop_recursive(ObClient *self,
3494                                          guint target,
3495                                          gboolean donthide,
3496                                          gboolean dontraise)
3497 {
3498     guint old;
3499     GSList *it;
3500
3501     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3502
3503         ob_debug("Setting desktop %u\n", target+1);
3504
3505         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3506
3507         old = self->desktop;
3508         self->desktop = target;
3509         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3510         /* the frame can display the current desktop state */
3511         frame_adjust_state(self->frame);
3512         /* 'move' the window to the new desktop */
3513         if (!donthide)
3514             client_hide(self);
3515         client_show(self);
3516         /* raise if it was not already on the desktop */
3517         if (old != DESKTOP_ALL && !dontraise)
3518             stacking_raise(CLIENT_AS_WINDOW(self));
3519         if (STRUT_EXISTS(self->strut))
3520             screen_update_areas();
3521         else
3522             /* the new desktop's geometry may be different, so we may need to
3523                resize, for example if we are maximized */
3524             client_reconfigure(self, FALSE);
3525     }
3526
3527     /* move all transients */
3528     for (it = self->transients; it; it = g_slist_next(it))
3529         if (it->data != self)
3530             if (client_is_direct_child(self, it->data))
3531                 client_set_desktop_recursive(it->data, target,
3532                                              donthide, dontraise);
3533 }
3534
3535 void client_set_desktop(ObClient *self, guint target,
3536                         gboolean donthide, gboolean dontraise)
3537 {
3538     self = client_search_top_direct_parent(self);
3539     client_set_desktop_recursive(self, target, donthide, dontraise);
3540 }
3541
3542 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3543 {
3544     while (child != parent && (child = client_direct_parent(child)));
3545     return child == parent;
3546 }
3547
3548 ObClient *client_search_modal_child(ObClient *self)
3549 {
3550     GSList *it;
3551     ObClient *ret;
3552
3553     for (it = self->transients; it; it = g_slist_next(it)) {
3554         ObClient *c = it->data;
3555         if ((ret = client_search_modal_child(c))) return ret;
3556         if (c->modal) return c;
3557     }
3558     return NULL;
3559 }
3560
3561 gboolean client_validate(ObClient *self)
3562 {
3563     XEvent e;
3564
3565     XSync(ob_display, FALSE); /* get all events on the server */
3566
3567     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3568         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3569         XPutBackEvent(ob_display, &e);
3570         return FALSE;
3571     }
3572
3573     return TRUE;
3574 }
3575
3576 void client_set_wm_state(ObClient *self, glong state)
3577 {
3578     if (state == self->wmstate) return; /* no change */
3579
3580     switch (state) {
3581     case IconicState:
3582         client_iconify(self, TRUE, TRUE, FALSE);
3583         break;
3584     case NormalState:
3585         client_iconify(self, FALSE, TRUE, FALSE);
3586         break;
3587     }
3588 }
3589
3590 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3591 {
3592     gboolean shaded = self->shaded;
3593     gboolean fullscreen = self->fullscreen;
3594     gboolean undecorated = self->undecorated;
3595     gboolean max_horz = self->max_horz;
3596     gboolean max_vert = self->max_vert;
3597     gboolean modal = self->modal;
3598     gboolean iconic = self->iconic;
3599     gboolean demands_attention = self->demands_attention;
3600     gboolean above = self->above;
3601     gboolean below = self->below;
3602     gint i;
3603
3604     if (!(action == prop_atoms.net_wm_state_add ||
3605           action == prop_atoms.net_wm_state_remove ||
3606           action == prop_atoms.net_wm_state_toggle))
3607         /* an invalid action was passed to the client message, ignore it */
3608         return;
3609
3610     for (i = 0; i < 2; ++i) {
3611         Atom state = i == 0 ? data1 : data2;
3612
3613         if (!state) continue;
3614
3615         /* if toggling, then pick whether we're adding or removing */
3616         if (action == prop_atoms.net_wm_state_toggle) {
3617             if (state == prop_atoms.net_wm_state_modal)
3618                 action = modal ? prop_atoms.net_wm_state_remove :
3619                     prop_atoms.net_wm_state_add;
3620             else if (state == prop_atoms.net_wm_state_maximized_vert)
3621                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3622                     prop_atoms.net_wm_state_add;
3623             else if (state == prop_atoms.net_wm_state_maximized_horz)
3624                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3625                     prop_atoms.net_wm_state_add;
3626             else if (state == prop_atoms.net_wm_state_shaded)
3627                 action = shaded ? prop_atoms.net_wm_state_remove :
3628                     prop_atoms.net_wm_state_add;
3629             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3630                 action = self->skip_taskbar ?
3631                     prop_atoms.net_wm_state_remove :
3632                     prop_atoms.net_wm_state_add;
3633             else if (state == prop_atoms.net_wm_state_skip_pager)
3634                 action = self->skip_pager ?
3635                     prop_atoms.net_wm_state_remove :
3636                     prop_atoms.net_wm_state_add;
3637             else if (state == prop_atoms.net_wm_state_hidden)
3638                 action = self->iconic ?
3639                     prop_atoms.net_wm_state_remove :
3640                     prop_atoms.net_wm_state_add;
3641             else if (state == prop_atoms.net_wm_state_fullscreen)
3642                 action = fullscreen ?
3643                     prop_atoms.net_wm_state_remove :
3644                     prop_atoms.net_wm_state_add;
3645             else if (state == prop_atoms.net_wm_state_above)
3646                 action = self->above ? prop_atoms.net_wm_state_remove :
3647                     prop_atoms.net_wm_state_add;
3648             else if (state == prop_atoms.net_wm_state_below)
3649                 action = self->below ? prop_atoms.net_wm_state_remove :
3650                     prop_atoms.net_wm_state_add;
3651             else if (state == prop_atoms.net_wm_state_demands_attention)
3652                 action = self->demands_attention ?
3653                     prop_atoms.net_wm_state_remove :
3654                     prop_atoms.net_wm_state_add;
3655             else if (state == prop_atoms.ob_wm_state_undecorated)
3656                 action = undecorated ? prop_atoms.net_wm_state_remove :
3657                     prop_atoms.net_wm_state_add;
3658         }
3659
3660         if (action == prop_atoms.net_wm_state_add) {
3661             if (state == prop_atoms.net_wm_state_modal) {
3662                 modal = TRUE;
3663             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3664                 max_vert = TRUE;
3665             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3666                 max_horz = TRUE;
3667             } else if (state == prop_atoms.net_wm_state_shaded) {
3668                 shaded = TRUE;
3669             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3670                 self->skip_taskbar = TRUE;
3671             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3672                 self->skip_pager = TRUE;
3673             } else if (state == prop_atoms.net_wm_state_hidden) {
3674                 iconic = TRUE;
3675             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3676                 fullscreen = TRUE;
3677             } else if (state == prop_atoms.net_wm_state_above) {
3678                 above = TRUE;
3679                 below = FALSE;
3680             } else if (state == prop_atoms.net_wm_state_below) {
3681                 above = FALSE;
3682                 below = TRUE;
3683             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3684                 demands_attention = TRUE;
3685             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3686                 undecorated = TRUE;
3687             }
3688
3689         } else { /* action == prop_atoms.net_wm_state_remove */
3690             if (state == prop_atoms.net_wm_state_modal) {
3691                 modal = FALSE;
3692             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3693                 max_vert = FALSE;
3694             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3695                 max_horz = FALSE;
3696             } else if (state == prop_atoms.net_wm_state_shaded) {
3697                 shaded = FALSE;
3698             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3699                 self->skip_taskbar = FALSE;
3700             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3701                 self->skip_pager = FALSE;
3702             } else if (state == prop_atoms.net_wm_state_hidden) {
3703                 iconic = FALSE;
3704             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3705                 fullscreen = FALSE;
3706             } else if (state == prop_atoms.net_wm_state_above) {
3707                 above = FALSE;
3708             } else if (state == prop_atoms.net_wm_state_below) {
3709                 below = FALSE;
3710             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3711                 demands_attention = FALSE;
3712             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3713                 undecorated = FALSE;
3714             }
3715         }
3716     }
3717
3718     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3719         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3720             /* toggling both */
3721             if (max_horz == max_vert) { /* both going the same way */
3722                 client_maximize(self, max_horz, 0);
3723             } else {
3724                 client_maximize(self, max_horz, 1);
3725                 client_maximize(self, max_vert, 2);
3726             }
3727         } else {
3728             /* toggling one */
3729             if (max_horz != self->max_horz)
3730                 client_maximize(self, max_horz, 1);
3731             else
3732                 client_maximize(self, max_vert, 2);
3733         }
3734     }
3735     /* change fullscreen state before shading, as it will affect if the window
3736        can shade or not */
3737     if (fullscreen != self->fullscreen)
3738         client_fullscreen(self, fullscreen);
3739     if (shaded != self->shaded)
3740         client_shade(self, shaded);
3741     if (undecorated != self->undecorated)
3742         client_set_undecorated(self, undecorated);
3743     if (above != self->above || below != self->below) {
3744         self->above = above;
3745         self->below = below;
3746         client_calc_layer(self);
3747     }
3748
3749     if (modal != self->modal) {
3750         self->modal = modal;
3751         /* when a window changes modality, then its stacking order with its
3752            transients needs to change */
3753         stacking_raise(CLIENT_AS_WINDOW(self));
3754
3755         /* it also may get focused. if something is focused that shouldn't
3756            be focused anymore, then move the focus */
3757         if (focus_client && client_focus_target(focus_client) != focus_client)
3758             client_focus(focus_client);
3759     }
3760
3761     if (iconic != self->iconic)
3762         client_iconify(self, iconic, FALSE, FALSE);
3763
3764     if (demands_attention != self->demands_attention)
3765         client_hilite(self, demands_attention);
3766
3767     client_change_state(self); /* change the hint to reflect these changes */
3768 }
3769
3770 ObClient *client_focus_target(ObClient *self)
3771 {
3772     ObClient *child = NULL;
3773
3774     child = client_search_modal_child(self);
3775     if (child) return child;
3776     return self;
3777 }
3778
3779 gboolean client_can_focus(ObClient *self)
3780 {
3781     /* choose the correct target */
3782     self = client_focus_target(self);
3783
3784     if (!self->frame->visible)
3785         return FALSE;
3786
3787     if (!(self->can_focus || self->focus_notify))
3788         return FALSE;
3789
3790     return TRUE;
3791 }
3792
3793 gboolean client_focus(ObClient *self)
3794 {
3795     /* we might not focus this window, so if we have modal children which would
3796        be focused instead, bring them to this desktop */
3797     client_bring_modal_windows(self);
3798
3799     /* choose the correct target */
3800     self = client_focus_target(self);
3801
3802     if (!client_can_focus(self)) {
3803         ob_debug_type(OB_DEBUG_FOCUS,
3804                       "Client %s can't be focused\n", self->title);
3805         return FALSE;
3806     }
3807
3808     ob_debug_type(OB_DEBUG_FOCUS,
3809                   "Focusing client \"%s\" (0x%x) at time %u\n",
3810                   self->title, self->window, event_curtime);
3811
3812     /* if using focus_delay, stop the timer now so that focus doesn't
3813        go moving on us */
3814     event_halt_focus_delay();
3815
3816     event_cancel_all_key_grabs();
3817
3818     xerror_set_ignore(TRUE);
3819     xerror_occured = FALSE;
3820
3821     if (self->can_focus) {
3822         /* This can cause a BadMatch error with CurrentTime, or if an app
3823            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3824         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3825                        event_curtime);
3826     }
3827
3828     if (self->focus_notify) {
3829         XEvent ce;
3830         ce.xclient.type = ClientMessage;
3831         ce.xclient.message_type = prop_atoms.wm_protocols;
3832         ce.xclient.display = ob_display;
3833         ce.xclient.window = self->window;
3834         ce.xclient.format = 32;
3835         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3836         ce.xclient.data.l[1] = event_curtime;
3837         ce.xclient.data.l[2] = 0l;
3838         ce.xclient.data.l[3] = 0l;
3839         ce.xclient.data.l[4] = 0l;
3840         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3841     }
3842
3843     xerror_set_ignore(FALSE);
3844
3845     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3846     return !xerror_occured;
3847 }
3848
3849 static void client_present(ObClient *self, gboolean here, gboolean raise,
3850                            gboolean unshade)
3851 {
3852     if (client_normal(self) && screen_showing_desktop)
3853         screen_show_desktop(FALSE, self);
3854     if (self->iconic)
3855         client_iconify(self, FALSE, here, FALSE);
3856     if (self->desktop != DESKTOP_ALL &&
3857         self->desktop != screen_desktop)
3858     {
3859         if (here)
3860             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3861         else
3862             screen_set_desktop(self->desktop, FALSE);
3863     } else if (!self->frame->visible)
3864         /* if its not visible for other reasons, then don't mess
3865            with it */
3866         return;
3867     if (self->shaded && unshade)
3868         client_shade(self, FALSE);
3869     if (raise)
3870         stacking_raise(CLIENT_AS_WINDOW(self));
3871
3872     client_focus(self);
3873 }
3874
3875 /* this function exists to map to the client_activate message in the ewmh,
3876    the user arg is unused because nobody uses it correctly anyway. */
3877 void client_activate(ObClient *self, gboolean here, gboolean raise,
3878                      gboolean unshade, gboolean user)
3879 {
3880     client_present(self, here, raise, unshade);
3881 }
3882
3883 static void client_bring_windows_recursive(ObClient *self,
3884                                            guint desktop,
3885                                            gboolean helpers,
3886                                            gboolean modals,
3887                                            gboolean iconic)
3888 {
3889     GSList *it;
3890
3891     for (it = self->transients; it; it = g_slist_next(it))
3892         client_bring_windows_recursive(it->data, desktop,
3893                                        helpers, modals, iconic);
3894
3895     if (((helpers && client_helper(self)) ||
3896          (modals && self->modal)) &&
3897         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3898          (iconic && self->iconic)))
3899     {
3900         if (iconic && self->iconic)
3901             client_iconify(self, FALSE, TRUE, FALSE);
3902         else
3903             client_set_desktop(self, desktop, FALSE, FALSE);
3904     }
3905 }
3906
3907 void client_bring_helper_windows(ObClient *self)
3908 {
3909     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3910 }
3911
3912 void client_bring_modal_windows(ObClient *self)
3913 {
3914     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3915 }
3916
3917 gboolean client_focused(ObClient *self)
3918 {
3919     return self == focus_client;
3920 }
3921
3922 RrImage* client_icon(ObClient *self)
3923 {
3924     RrImage *ret = NULL;
3925
3926     if (self->icon_set)
3927         ret = self->icon_set;
3928     else if (self->parents) {
3929         GSList *it;
3930         for (it = self->parents; it && !ret; it = g_slist_next(it))
3931             ret = client_icon(it->data);
3932     }
3933     if (!ret)
3934         ret = client_default_icon;
3935     return ret;
3936 }
3937
3938 void client_set_layer(ObClient *self, gint layer)
3939 {
3940     if (layer < 0) {
3941         self->below = TRUE;
3942         self->above = FALSE;
3943     } else if (layer == 0) {
3944         self->below = self->above = FALSE;
3945     } else {
3946         self->below = FALSE;
3947         self->above = TRUE;
3948     }
3949     client_calc_layer(self);
3950     client_change_state(self); /* reflect this in the state hints */
3951 }
3952
3953 void client_set_undecorated(ObClient *self, gboolean undecorated)
3954 {
3955     if (self->undecorated != undecorated &&
3956         /* don't let it undecorate if the function is missing, but let
3957            it redecorate */
3958         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3959     {
3960         self->undecorated = undecorated;
3961         client_setup_decor_and_functions(self, TRUE);
3962         client_change_state(self); /* reflect this in the state hints */
3963     }
3964 }
3965
3966 guint client_monitor(ObClient *self)
3967 {
3968     return screen_find_monitor(&self->frame->area);
3969 }
3970
3971 ObClient *client_direct_parent(ObClient *self)
3972 {
3973     if (!self->parents) return NULL;
3974     if (self->transient_for_group) return NULL;
3975     return self->parents->data;
3976 }
3977
3978 ObClient *client_search_top_direct_parent(ObClient *self)
3979 {
3980     ObClient *p;
3981     while ((p = client_direct_parent(self))) self = p;
3982     return self;
3983 }
3984
3985 static GSList *client_search_all_top_parents_internal(ObClient *self,
3986                                                       gboolean bylayer,
3987                                                       ObStackingLayer layer)
3988 {
3989     GSList *ret;
3990     ObClient *p;
3991
3992     /* move up the direct transient chain as far as possible */
3993     while ((p = client_direct_parent(self)) &&
3994            (!bylayer || p->layer == layer))
3995         self = p;
3996
3997     if (!self->parents)
3998         ret = g_slist_prepend(NULL, self);
3999     else
4000         ret = g_slist_copy(self->parents);
4001
4002     return ret;
4003 }
4004
4005 GSList *client_search_all_top_parents(ObClient *self)
4006 {
4007     return client_search_all_top_parents_internal(self, FALSE, 0);
4008 }
4009
4010 GSList *client_search_all_top_parents_layer(ObClient *self)
4011 {
4012     return client_search_all_top_parents_internal(self, TRUE, self->layer);
4013 }
4014
4015 ObClient *client_search_focus_parent(ObClient *self)
4016 {
4017     GSList *it;
4018
4019     for (it = self->parents; it; it = g_slist_next(it))
4020         if (client_focused(it->data)) return it->data;
4021
4022     return NULL;
4023 }
4024
4025 ObClient *client_search_parent(ObClient *self, ObClient *search)
4026 {
4027     GSList *it;
4028
4029     for (it = self->parents; it; it = g_slist_next(it))
4030         if (it->data == search) return search;
4031
4032     return NULL;
4033 }
4034
4035 ObClient *client_search_transient(ObClient *self, ObClient *search)
4036 {
4037     GSList *sit;
4038
4039     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
4040         if (sit->data == search)
4041             return search;
4042         if (client_search_transient(sit->data, search))
4043             return search;
4044     }
4045     return NULL;
4046 }
4047
4048 static void detect_edge(Rect area, ObDirection dir,
4049                         gint my_head, gint my_size,
4050                         gint my_edge_start, gint my_edge_size,
4051                         gint *dest, gboolean *near_edge)
4052 {
4053     gint edge_start, edge_size, head, tail;
4054     gboolean skip_head = FALSE, skip_tail = FALSE;
4055
4056     switch (dir) {
4057         case OB_DIRECTION_NORTH:
4058         case OB_DIRECTION_SOUTH:
4059             edge_start = area.x;
4060             edge_size = area.width;
4061             break;
4062         case OB_DIRECTION_EAST:
4063         case OB_DIRECTION_WEST:
4064             edge_start = area.y;
4065             edge_size = area.height;
4066             break;
4067         default:
4068             g_assert_not_reached();
4069     }
4070
4071     /* do we collide with this window? */
4072     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
4073                 edge_start, edge_size))
4074         return;
4075
4076     switch (dir) {
4077         case OB_DIRECTION_NORTH:
4078             head = RECT_BOTTOM(area);
4079             tail = RECT_TOP(area);
4080             break;
4081         case OB_DIRECTION_SOUTH:
4082             head = RECT_TOP(area);
4083             tail = RECT_BOTTOM(area);
4084             break;
4085         case OB_DIRECTION_WEST:
4086             head = RECT_RIGHT(area);
4087             tail = RECT_LEFT(area);
4088             break;
4089         case OB_DIRECTION_EAST:
4090             head = RECT_LEFT(area);
4091             tail = RECT_RIGHT(area);
4092             break;
4093         default:
4094             g_assert_not_reached();
4095     }
4096     switch (dir) {
4097         case OB_DIRECTION_NORTH:
4098         case OB_DIRECTION_WEST:
4099             /* check if our window is past the head of this window */
4100             if (my_head <= head + 1)
4101                 skip_head = TRUE;
4102             /* check if our window's tail is past the tail of this window */
4103             if (my_head + my_size - 1 <= tail)
4104                 skip_tail = TRUE;
4105             /* check if the head of this window is closer than the previously
4106                chosen edge (take into account that the previously chosen
4107                edge might have been a tail, not a head) */
4108             if (head + (*near_edge ? 0 : my_size) < *dest)
4109                 skip_head = TRUE;
4110             /* check if the tail of this window is closer than the previously
4111                chosen edge (take into account that the previously chosen
4112                edge might have been a head, not a tail) */
4113             if (tail - (!*near_edge ? 0 : my_size) < *dest)
4114                 skip_tail = TRUE;
4115             break;
4116         case OB_DIRECTION_SOUTH:
4117         case OB_DIRECTION_EAST:
4118             /* check if our window is past the head of this window */
4119             if (my_head >= head - 1)
4120                 skip_head = TRUE;
4121             /* check if our window's tail is past the tail of this window */
4122             if (my_head - my_size + 1 >= tail)
4123                 skip_tail = TRUE;
4124             /* check if the head of this window is closer than the previously
4125                chosen edge (take into account that the previously chosen
4126                edge might have been a tail, not a head) */
4127             if (head - (*near_edge ? 0 : my_size) > *dest)
4128                 skip_head = TRUE;
4129             /* check if the tail of this window is closer than the previously
4130                chosen edge (take into account that the previously chosen
4131                edge might have been a head, not a tail) */
4132             if (tail + (!*near_edge ? 0 : my_size) > *dest)
4133                 skip_tail = TRUE;
4134             break;
4135         default:
4136             g_assert_not_reached();
4137     }
4138
4139     ob_debug("my head %d size %d\n", my_head, my_size);
4140     ob_debug("head %d tail %d deest %d\n", head, tail, *dest);
4141     if (!skip_head) {
4142         ob_debug("using near edge %d\n", head);
4143         *dest = head;
4144         *near_edge = TRUE;
4145     }
4146     else if (!skip_tail) {
4147         ob_debug("using far edge %d\n", tail);
4148         *dest = tail;
4149         *near_edge = FALSE;
4150     }
4151 }
4152
4153 void client_find_edge_directional(ObClient *self, ObDirection dir,
4154                                   gint my_head, gint my_size,
4155                                   gint my_edge_start, gint my_edge_size,
4156                                   gint *dest, gboolean *near_edge)
4157 {
4158     GList *it;
4159     Rect *a, *mon;
4160     Rect dock_area;
4161     gint edge;
4162
4163     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
4164                     &self->frame->area);
4165     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
4166                       &self->frame->area);
4167
4168     switch (dir) {
4169     case OB_DIRECTION_NORTH:
4170         if (my_head >= RECT_TOP(*mon) + 1)
4171             edge = RECT_TOP(*mon) - 1;
4172         else
4173             edge = RECT_TOP(*a) - 1;
4174         break;
4175     case OB_DIRECTION_SOUTH:
4176         if (my_head <= RECT_BOTTOM(*mon) - 1)
4177             edge = RECT_BOTTOM(*mon) + 1;
4178         else
4179             edge = RECT_BOTTOM(*a) + 1;
4180         break;
4181     case OB_DIRECTION_EAST:
4182         if (my_head <= RECT_RIGHT(*mon) - 1)
4183             edge = RECT_RIGHT(*mon) + 1;
4184         else
4185             edge = RECT_RIGHT(*a) + 1;
4186         break;
4187     case OB_DIRECTION_WEST:
4188         if (my_head >= RECT_LEFT(*mon) + 1)
4189             edge = RECT_LEFT(*mon) - 1;
4190         else
4191             edge = RECT_LEFT(*a) - 1;
4192         break;
4193     default:
4194         g_assert_not_reached();
4195     }
4196     /* default to the far edge, then narrow it down */
4197     *dest = edge;
4198     *near_edge = TRUE;
4199
4200     for (it = client_list; it; it = g_list_next(it)) {
4201         ObClient *cur = it->data;
4202
4203         /* skip windows to not bump into */
4204         if (cur == self)
4205             continue;
4206         if (cur->iconic)
4207             continue;
4208         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4209             cur->desktop != screen_desktop)
4210             continue;
4211
4212         ob_debug("trying window %s\n", cur->title);
4213
4214         detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
4215                     my_edge_size, dest, near_edge);
4216     }
4217     dock_get_area(&dock_area);
4218     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4219                 my_edge_size, dest, near_edge);
4220     g_free(a);
4221     g_free(mon);
4222 }
4223
4224 void client_find_move_directional(ObClient *self, ObDirection dir,
4225                                   gint *x, gint *y)
4226 {
4227     gint head, size;
4228     gint e, e_start, e_size;
4229     gboolean near;
4230
4231     switch (dir) {
4232     case OB_DIRECTION_EAST:
4233         head = RECT_RIGHT(self->frame->area);
4234         size = self->frame->area.width;
4235         e_start = RECT_TOP(self->frame->area);
4236         e_size = self->frame->area.height;
4237         break;
4238     case OB_DIRECTION_WEST:
4239         head = RECT_LEFT(self->frame->area);
4240         size = self->frame->area.width;
4241         e_start = RECT_TOP(self->frame->area);
4242         e_size = self->frame->area.height;
4243         break;
4244     case OB_DIRECTION_NORTH:
4245         head = RECT_TOP(self->frame->area);
4246         size = self->frame->area.height;
4247         e_start = RECT_LEFT(self->frame->area);
4248         e_size = self->frame->area.width;
4249         break;
4250     case OB_DIRECTION_SOUTH:
4251         head = RECT_BOTTOM(self->frame->area);
4252         size = self->frame->area.height;
4253         e_start = RECT_LEFT(self->frame->area);
4254         e_size = self->frame->area.width;
4255         break;
4256     default:
4257         g_assert_not_reached();
4258     }
4259
4260     client_find_edge_directional(self, dir, head, size,
4261                                  e_start, e_size, &e, &near);
4262     *x = self->frame->area.x;
4263     *y = self->frame->area.y;
4264     switch (dir) {
4265     case OB_DIRECTION_EAST:
4266         if (near) e -= self->frame->area.width;
4267         else      e++;
4268         *x = e;
4269         break;
4270     case OB_DIRECTION_WEST:
4271         if (near) e++;
4272         else      e -= self->frame->area.width;
4273         *x = e;
4274         break;
4275     case OB_DIRECTION_NORTH:
4276         if (near) e++;
4277         else      e -= self->frame->area.height;
4278         *y = e;
4279         break;
4280     case OB_DIRECTION_SOUTH:
4281         if (near) e -= self->frame->area.height;
4282         else      e++;
4283         *y = e;
4284         break;
4285     default:
4286         g_assert_not_reached();
4287     }
4288     frame_frame_gravity(self->frame, x, y);
4289 }
4290
4291 void client_find_resize_directional(ObClient *self, ObDirection side,
4292                                     gboolean grow,
4293                                     gint *x, gint *y, gint *w, gint *h)
4294 {
4295     gint head;
4296     gint e, e_start, e_size, delta;
4297     gboolean near;
4298     ObDirection dir;
4299
4300     switch (side) {
4301     case OB_DIRECTION_EAST:
4302         head = RECT_RIGHT(self->frame->area) +
4303             (self->size_inc.width - 1) * (grow ? 1 : -1);
4304         e_start = RECT_TOP(self->frame->area);
4305         e_size = self->frame->area.height;
4306         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4307         break;
4308     case OB_DIRECTION_WEST:
4309         head = RECT_LEFT(self->frame->area) -
4310             (self->size_inc.width - 1) * (grow ? 1 : -1);
4311         e_start = RECT_TOP(self->frame->area);
4312         e_size = self->frame->area.height;
4313         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4314         break;
4315     case OB_DIRECTION_NORTH:
4316         head = RECT_TOP(self->frame->area) -
4317             (self->size_inc.height - 1) * (grow ? 1 : -1);
4318         e_start = RECT_LEFT(self->frame->area);
4319         e_size = self->frame->area.width;
4320         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4321         break;
4322     case OB_DIRECTION_SOUTH:
4323         head = RECT_BOTTOM(self->frame->area) +
4324             (self->size_inc.height - 1) * (grow ? 1 : -1);
4325         e_start = RECT_LEFT(self->frame->area);
4326         e_size = self->frame->area.width;
4327         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4328         break;
4329     default:
4330         g_assert_not_reached();
4331     }
4332
4333     ob_debug("head %d dir %d\n", head, dir);
4334     client_find_edge_directional(self, dir, head, 1,
4335                                  e_start, e_size, &e, &near);
4336     ob_debug("edge %d\n", e);
4337     *x = self->frame->area.x;
4338     *y = self->frame->area.y;
4339     *w = self->frame->area.width;
4340     *h = self->frame->area.height;
4341     switch (side) {
4342     case OB_DIRECTION_EAST:
4343         if (grow == near) --e;
4344         delta = e - RECT_RIGHT(self->frame->area);
4345         *w += delta;
4346         break;
4347     case OB_DIRECTION_WEST:
4348         if (grow == near) ++e;
4349         delta = RECT_LEFT(self->frame->area) - e;
4350         *x -= delta;
4351         *w += delta;
4352         break;
4353     case OB_DIRECTION_NORTH:
4354         if (grow == near) ++e;
4355         delta = RECT_TOP(self->frame->area) - e;
4356         *y -= delta;
4357         *h += delta;
4358         break;
4359     case OB_DIRECTION_SOUTH:
4360         if (grow == near) --e;
4361         delta = e - RECT_BOTTOM(self->frame->area);
4362         *h += delta;
4363         break;
4364     default:
4365         g_assert_not_reached();
4366     }
4367     frame_frame_gravity(self->frame, x, y);
4368     *w -= self->frame->size.left + self->frame->size.right;
4369     *h -= self->frame->size.top + self->frame->size.bottom;
4370 }
4371
4372 ObClient* client_under_pointer(void)
4373 {
4374     gint x, y;
4375     GList *it;
4376     ObClient *ret = NULL;
4377
4378     if (screen_pointer_pos(&x, &y)) {
4379         for (it = stacking_list; it; it = g_list_next(it)) {
4380             if (WINDOW_IS_CLIENT(it->data)) {
4381                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4382                 if (c->frame->visible &&
4383                     /* check the desktop, this is done during desktop
4384                        switching and windows are shown/hidden status is not
4385                        reliable */
4386                     (c->desktop == screen_desktop ||
4387                      c->desktop == DESKTOP_ALL) &&
4388                     /* ignore all animating windows */
4389                     !frame_iconify_animating(c->frame) &&
4390                     RECT_CONTAINS(c->frame->area, x, y))
4391                 {
4392                     ret = c;
4393                     break;
4394                 }
4395             }
4396         }
4397     }
4398     return ret;
4399 }
4400
4401 gboolean client_has_group_siblings(ObClient *self)
4402 {
4403     return self->group && self->group->members->next;
4404 }
4405
4406 /*! Returns TRUE if the client is running on the same machine as Openbox */
4407 gboolean client_on_localhost(ObClient *self)
4408 {
4409     return self->client_machine == NULL;
4410 }