openbox/client.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "client.h"
  21 #include "debug.h"
  22 #include "startupnotify.h"
  23 #include "dock.h"
  24 #include "xerror.h"
  25 #include "screen.h"
  26 #include "moveresize.h"
  27 #include "place.h"
  28 #include "prop.h"
  29 #include "extensions.h"
  30 #include "frame.h"
  31 #include "session.h"
  32 #include "event.h"
  33 #include "grab.h"
  34 #include "focus.h"
  35 #include "propwin.h"
  36 #include "stacking.h"
  37 #include "openbox.h"
  38 #include "group.h"
  39 #include "config.h"
  40 #include "menuframe.h"
  41 #include "keyboard.h"
  42 #include "mouse.h"
  43 #include "render/render.h"
  44
  45 #ifdef HAVE_UNISTD_H
  46 #  include <unistd.h>
  47 #endif
  48
  49 #include <glib.h>
  50 #include <X11/Xutil.h>
  51
  52 /*! The event mask to grab on client windows */
  53 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  54                           ColormapChangeMask)
  55
  56 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  57                                 ButtonMotionMask)
  58
  59 typedef struct
  60 {
  61     ObClientCallback func;
  62     gpointer data;
  63 } ClientCallback;
  64
  65 GList            *client_list          = NULL;
  66
  67 static GSList *client_destroy_notifies = NULL;
  68
  69 static void client_get_all(ObClient *self, gboolean real);
  70 static void client_get_startup_id(ObClient *self);
  71 static void client_get_session_ids(ObClient *self);
  72 static void client_get_area(ObClient *self);
  73 static void client_get_desktop(ObClient *self);
  74 static void client_get_state(ObClient *self);
  75 static void client_get_shaped(ObClient *self);
  76 static void client_get_mwm_hints(ObClient *self);
  77 static void client_get_colormap(ObClient *self);
  78 static void client_change_allowed_actions(ObClient *self);
  79 static void client_change_state(ObClient *self);
  80 static void client_change_wm_state(ObClient *self);
  81 static void client_apply_startup_state(ObClient *self,
  82                                        gint x, gint y, gint w, gint h);
  83 static void client_restore_session_state(ObClient *self);
  84 static gboolean client_restore_session_stacking(ObClient *self);
  85 static ObAppSettings *client_get_settings_state(ObClient *self);
  86 static void client_update_transient_tree(ObClient *self,
  87                                          ObGroup *oldgroup, ObGroup *newgroup,
  88                                          gboolean oldgtran, gboolean newgtran,
  89                                          ObClient* oldparent,
  90                                          ObClient *newparent);
  91 static void client_present(ObClient *self, gboolean here, gboolean raise,
  92                            gboolean unshade);
  93 static GSList *client_search_all_top_parents_internal(ObClient *self,
  94                                                       gboolean bylayer,
  95                                                       ObStackingLayer layer);
  96 static void client_call_notifies(ObClient *self, GSList *list);
  97
  98
  99 void client_startup(gboolean reconfig)
 100 {
 101     if (reconfig) return;
 102
 103     client_set_list();
 104 }
 105
 106 void client_shutdown(gboolean reconfig)
 107 {
 108     if (reconfig) return;
 109 }
 110
 111 static void client_call_notifies(ObClient *self, GSList *list)
 112 {
 113     GSList *it;
 114
 115     for (it = list; it; it = g_slist_next(it)) {
 116         ClientCallback *d = it->data;
 117         d->func(self, d->data);
 118     }
 119 }
 120
 121 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 122 {
 123     ClientCallback *d = g_new(ClientCallback, 1);
 124     d->func = func;
 125     d->data = data;
 126     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 127 }
 128
 129 void client_remove_destroy_notify(ObClientCallback func)
 130 {
 131     GSList *it;
 132
 133     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 134         ClientCallback *d = it->data;
 135         if (d->func == func) {
 136             g_free(d);
 137             client_destroy_notifies =
 138                 g_slist_delete_link(client_destroy_notifies, it);
 139             break;
 140         }
 141     }
 142 }
 143
 144 void client_set_list()
 145 {
 146     Window *windows, *win_it;
 147     GList *it;
 148     guint size = g_list_length(client_list);
 149
 150     /* create an array of the window ids */
 151     if (size > 0) {
 152         windows = g_new(Window, size);
 153         win_it = windows;
 154         for (it = client_list; it; it = g_list_next(it), ++win_it)
 155             *win_it = ((ObClient*)it->data)->window;
 156     } else
 157         windows = NULL;
 158
 159     PROP_SETA32(RootWindow(ob_display, ob_screen),
 160                 net_client_list, window, (gulong*)windows, size);
 161
 162     if (windows)
 163         g_free(windows);
 164
 165     stacking_set_list();
 166 }
 167
 168 void client_manage_all()
 169 {
 170     guint i, j, nchild;
 171     Window w, *children;
 172     XWMHints *wmhints;
 173     XWindowAttributes attrib;
 174
 175     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 176                &w, &w, &children, &nchild);
 177
 178     /* remove all icon windows from the list */
 179     for (i = 0; i < nchild; i++) {
 180         if (children[i] == None) continue;
 181         wmhints = XGetWMHints(ob_display, children[i]);
 182         if (wmhints) {
 183             if ((wmhints->flags & IconWindowHint) &&
 184                 (wmhints->icon_window != children[i]))
 185                 for (j = 0; j < nchild; j++)
 186                     if (children[j] == wmhints->icon_window) {
 187                         children[j] = None;
 188                         break;
 189                     }
 190             XFree(wmhints);
 191         }
 192     }
 193
 194     for (i = 0; i < nchild; ++i) {
 195         if (children[i] == None)
 196             continue;
 197         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 198             if (attrib.override_redirect) continue;
 199
 200             if (attrib.map_state != IsUnmapped)
 201                 client_manage(children[i]);
 202         }
 203     }
 204     XFree(children);
 205 }
 206
 207 void client_manage(Window window)
 208 {
 209     ObClient *self;
 210     XEvent e;
 211     XWindowAttributes attrib;
 212     XSetWindowAttributes attrib_set;
 213     XWMHints *wmhint;
 214     gboolean activate = FALSE;
 215     ObAppSettings *settings;
 216     gint placex, placey, placew, placeh;
 217     gboolean transient = FALSE;
 218
 219     grab_server(TRUE);
 220
 221     /* check if it has already been unmapped by the time we started
 222        mapping. the grab does a sync so we don't have to here */
 223     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 224         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 225     {
 226         XPutBackEvent(ob_display, &e);
 227
 228         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 229         grab_server(FALSE);
 230         return; /* don't manage it */
 231     }
 232
 233     /* make sure it isn't an override-redirect window */
 234     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 235         attrib.override_redirect)
 236     {
 237         grab_server(FALSE);
 238         return; /* don't manage it */
 239     }
 240
 241     /* is the window a docking app */
 242     if ((wmhint = XGetWMHints(ob_display, window))) {
 243         if ((wmhint->flags & StateHint) &&
 244             wmhint->initial_state == WithdrawnState)
 245         {
 246             dock_add(window, wmhint);
 247             grab_server(FALSE);
 248             XFree(wmhint);
 249             return;
 250         }
 251         XFree(wmhint);
 252     }
 253
 254     ob_debug("Managing window: 0x%lx\n", window);
 255
 256     /* choose the events we want to receive on the CLIENT window */
 257     attrib_set.event_mask = CLIENT_EVENTMASK;
 258     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 259     XChangeWindowAttributes(ob_display, window,
 260                             CWEventMask|CWDontPropagate, &attrib_set);
 261
 262     /* create the ObClient struct, and populate it from the hints on the
 263        window */
 264     self = g_new0(ObClient, 1);
 265     self->obwin.type = Window_Client;
 266     self->window = window;
 267
 268     /* non-zero defaults */
 269     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 270     self->gravity = NorthWestGravity;
 271     self->desktop = screen_num_desktops; /* always an invalid value */
 272     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 273
 274     /* get all the stuff off the window */
 275     client_get_all(self, TRUE);
 276
 277     ob_debug("Window type: %d\n", self->type);
 278     ob_debug("Window group: 0x%x\n", self->group?self->group->leader:0);
 279
 280     /* specify that if we exit, the window should not be destroyed and
 281        should be reparented back to root automatically */
 282     XChangeSaveSet(ob_display, window, SetModeInsert);
 283
 284     /* create the decoration frame for the client window */
 285     self->frame = frame_new(self);
 286
 287     frame_grab_client(self->frame);
 288
 289     /* we've grabbed everything and set everything that we need to at mapping
 290        time now */
 291     grab_server(FALSE);
 292
 293     /* per-app settings override stuff from client_get_all, and return the
 294        settings for other uses too. the returned settings is a shallow copy,
 295        that needs to be freed with g_free(). */
 296     settings = client_get_settings_state(self);
 297     /* the session should get the last say though */
 298     client_restore_session_state(self);
 299
 300     /* now we have all of the window's information so we can set this up */
 301     client_setup_decor_and_functions(self, FALSE);
 302
 303     {
 304         Time t = sn_app_started(self->startup_id, self->class);
 305         if (t) self->user_time = t;
 306     }
 307
 308     /* do this after we have a frame.. it uses the frame to help determine the
 309        WM_STATE to apply. */
 310     client_change_state(self);
 311
 312     /* add ourselves to the focus order */
 313     focus_order_add_new(self);
 314
 315     /* do this to add ourselves to the stacking list in a non-intrusive way */
 316     client_calc_layer(self);
 317
 318     /* focus the new window? */
 319     if (ob_state() != OB_STATE_STARTING &&
 320         (!self->session || self->session->focused) &&
 321         /* this means focus=true for window is same as config_focus_new=true */
 322         ((config_focus_new || (settings && settings->focus == 1)) ||
 323          client_search_focus_tree_full(self)) &&
 324         /* this checks for focus=false for the window */
 325         (!settings || settings->focus != 0) &&
 326         focus_valid_target(self, FALSE, FALSE, TRUE, FALSE, FALSE))
 327     {
 328         activate = TRUE;
 329     }
 330
 331     /* remove the client's border */
 332     XSetWindowBorderWidth(ob_display, self->window, 0);
 333
 334     /* adjust the frame to the client's size before showing or placing
 335        the window */
 336     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 337     frame_adjust_client_area(self->frame);
 338
 339     /* where the frame was placed is where the window was originally */
 340     placex = self->area.x;
 341     placey = self->area.y;
 342     placew = self->area.width;
 343     placeh = self->area.height;
 344
 345     /* figure out placement for the window if the window is new */
 346     if (ob_state() == OB_STATE_RUNNING) {
 347         ob_debug("Positioned: %s @ %d %d\n",
 348                  (!self->positioned ? "no" :
 349                   (self->positioned == PPosition ? "program specified" :
 350                    (self->positioned == USPosition ? "user specified" :
 351                     (self->positioned == (PPosition | USPosition) ?
 352                      "program + user specified" :
 353                      "BADNESS !?")))), placex, placey);
 354
 355         ob_debug("Sized: %s @ %d %d\n",
 356                  (!self->sized ? "no" :
 357                   (self->sized == PSize ? "program specified" :
 358                    (self->sized == USSize ? "user specified" :
 359                     (self->sized == (PSize | USSize) ?
 360                      "program + user specified" :
 361                      "BADNESS !?")))), placew, placeh);
 362
 363         /* splash screens are also returned as TRUE for transient,
 364            and so will be forced on screen below */
 365         transient = place_client(self, &placex, &placey, settings);
 366
 367         /* make sure the window is visible. */
 368         client_find_onscreen(self, &placex, &placey, placew, placeh,
 369                              /* non-normal clients has less rules, and
 370                                 windows that are being restored from a
 371                                 session do also. we can assume you want
 372                                 it back where you saved it. Clients saying
 373                                 they placed themselves are subjected to
 374                                 harder rules, ones that are placed by
 375                                 place.c or by the user are allowed partially
 376                                 off-screen and on xinerama divides (ie,
 377                                 it is up to the placement routines to avoid
 378                                 the xinerama divides)
 379
 380                                 splash screens get "transient" set to TRUE by
 381                                 the place_client call
 382                              */
 383                              ob_state() == OB_STATE_RUNNING &&
 384                              (transient ||
 385                               (!((self->positioned & USPosition) ||
 386                                  (settings && settings->pos_given)) &&
 387                                client_normal(self) &&
 388                                !self->session)));
 389     }
 390
 391     /* if the window isn't user-sized, then make it fit inside
 392        the visible screen area on its monitor. Use basically the same rules
 393        for forcing the window on screen in the client_find_onscreen call.
 394
 395        do this after place_client, it chooses the monitor!
 396
 397        splash screens get "transient" set to TRUE by
 398        the place_client call
 399     */
 400     if (ob_state() == OB_STATE_RUNNING &&
 401         (transient ||
 402          (!(self->sized & USSize || self->positioned & USPosition) &&
 403           client_normal(self) &&
 404           !self->session)))
 405     {
 406         Rect placer;
 407
 408         RECT_SET(placer, placex, placey, placew, placeh);
 409         frame_rect_to_frame(self->frame, &placer);
 410
 411         Rect *a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &placer);
 412
 413         /* shrink by the frame's area */
 414         a->width -= self->frame->size.left + self->frame->size.right;
 415         a->height -= self->frame->size.top + self->frame->size.bottom;
 416
 417         /* fit the window inside the area */
 418         if (placew > a->width || self->area.height > a->height) {
 419             placew = MIN(self->area.width, a->width);
 420             placeh = MIN(self->area.height, a->height);
 421
 422             ob_debug("setting window size to %dx%d\n",
 423                      self->area.width, self->area.height);
 424         }
 425         g_free(a);
 426     }
 427
 428
 429     ob_debug("placing window 0x%x at %d, %d with size %d x %d. "
 430              "some restrictions may apply\n",
 431              self->window, placex, placey, placew, placeh);
 432     if (self->session)
 433         ob_debug("  but session requested %d, %d  %d x %d instead, "
 434                  "overriding\n",
 435                  self->session->x, self->session->y,
 436                  self->session->w, self->session->h);
 437
 438     /* do this after the window is placed, so the premax/prefullscreen numbers
 439        won't be all wacko!!
 440
 441        this also places the window
 442     */
 443     client_apply_startup_state(self, placex, placey, placew, placeh);
 444
 445     if (activate) {
 446         guint32 last_time = focus_client ?
 447             focus_client->user_time : CurrentTime;
 448
 449         /* This is focus stealing prevention */
 450         ob_debug_type(OB_DEBUG_FOCUS,
 451                       "Want to focus new window 0x%x with time %u "
 452                       "(last time %u)\n",
 453                       self->window, self->user_time, last_time);
 454
 455         if (menu_frame_visible || moveresize_in_progress) {
 456             activate = FALSE;
 457             ob_debug_type(OB_DEBUG_FOCUS,
 458                           "Not focusing the window because the user is inside "
 459                           "an Openbox menu or is move/resizing a window and "
 460                           "we don't want to interrupt them\n");
 461         }
 462
 463         /* if it's on another desktop */
 464         else if (!(self->desktop == screen_desktop ||
 465               self->desktop == DESKTOP_ALL) &&
 466             /* the timestamp is from before you changed desktops */
 467             self->user_time && screen_desktop_user_time &&
 468             !event_time_after(self->user_time, screen_desktop_user_time))
 469         {
 470             activate = FALSE;
 471             ob_debug_type(OB_DEBUG_FOCUS,
 472                           "Not focusing the window because its on another "
 473                           "desktop\n");
 474         }
 475         /* If something is focused, and it's not our relative... */
 476         else if (focus_client && client_search_focus_tree_full(self) == NULL &&
 477                  client_search_focus_group_full(self) == NULL)
 478         {
 479             /* If time stamp is old, don't steal focus */
 480             if (self->user_time && last_time &&
 481                 !event_time_after(self->user_time, last_time))
 482             {
 483                 activate = FALSE;
 484                 ob_debug_type(OB_DEBUG_FOCUS,
 485                               "Not focusing the window because the time is "
 486                               "too old\n");
 487             }
 488             /* If its a transient (and parents aren't focused) and the time
 489                is ambiguous (either the current focus target doesn't have
 490                a timestamp, or they are the same (we probably inherited it
 491                from them) */
 492             else if (client_has_parent(self) &&
 493                      (!last_time || self->user_time == last_time))
 494             {
 495                 activate = FALSE;
 496                 ob_debug_type(OB_DEBUG_FOCUS,
 497                               "Not focusing the window because it is a "
 498                               "transient, and the time is very ambiguous\n");
 499             }
 500             /* Don't steal focus from globally active clients.
 501                I stole this idea from KWin. It seems nice.
 502              */
 503             else if (!(focus_client->can_focus ||
 504                        focus_client->focus_notify))
 505             {
 506                 activate = FALSE;
 507                 ob_debug_type(OB_DEBUG_FOCUS,
 508                               "Not focusing the window because a globally "
 509                               "active client has focus\n");
 510             }
 511             /* Don't move focus if it's not going to go to this window
 512                anyway */
 513             else if (client_focus_target(self) != self) {
 514                 activate = FALSE;
 515                 ob_debug_type(OB_DEBUG_FOCUS,
 516                               "Not focusing the window because another window "
 517                               "would get the focus anyway\n");
 518             }
 519         }
 520
 521         if (!activate) {
 522             ob_debug_type(OB_DEBUG_FOCUS,
 523                           "Focus stealing prevention activated for %s with "
 524                           "time %u (last time %u)\n",
 525                           self->title, self->user_time, last_time);
 526             /* if the client isn't focused, then hilite it so the user
 527                knows it is there */
 528             client_hilite(self, TRUE);
 529         }
 530     }
 531     else {
 532         /* This may look rather odd. Well it's because new windows are added
 533            to the stacking order non-intrusively. If we're not going to focus
 534            the new window or hilite it, then we raise it to the top. This will
 535            take affect for things that don't get focused like splash screens.
 536            Also if you don't have focus_new enabled, then it's going to get
 537            raised to the top. Legacy begets legacy I guess?
 538         */
 539         if (!client_restore_session_stacking(self))
 540             stacking_raise(CLIENT_AS_WINDOW(self));
 541     }
 542
 543     mouse_grab_for_client(self, TRUE);
 544
 545     /* this has to happen before we try focus the window, but we want it to
 546        happen after the client's stacking has been determined or it looks bad
 547     */
 548     {
 549         gulong ignore_start;
 550         if (!config_focus_under_mouse)
 551             ignore_start = event_start_ignore_all_enters();
 552
 553         client_show(self);
 554
 555         if (!config_focus_under_mouse)
 556             event_end_ignore_all_enters(ignore_start);
 557     }
 558
 559     if (activate) {
 560         gboolean stacked = client_restore_session_stacking(self);
 561         client_present(self, FALSE, !stacked, TRUE);
 562     }
 563
 564     /* add to client list/map */
 565     client_list = g_list_append(client_list, self);
 566     g_hash_table_insert(window_map, &self->window, self);
 567
 568     /* this has to happen after we're in the client_list */
 569     if (STRUT_EXISTS(self->strut))
 570         screen_update_areas();
 571
 572     /* update the list hints */
 573     client_set_list();
 574
 575     /* free the ObAppSettings shallow copy */
 576     g_free(settings);
 577
 578     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 579              window, self->frame->window, self->class);
 580
 581     return;
 582 }
 583
 584
 585 ObClient *client_fake_manage(Window window)
 586 {
 587     ObClient *self;
 588     ObAppSettings *settings;
 589
 590     ob_debug("Pretend-managing window: %lx\n", window);
 591
 592     /* do this minimal stuff to figure out the client's decorations */
 593
 594     self = g_new0(ObClient, 1);
 595     self->window = window;
 596
 597     client_get_all(self, FALSE);
 598     /* per-app settings override stuff, and return the settings for other
 599        uses too. this returns a shallow copy that needs to be freed */
 600     settings = client_get_settings_state(self);
 601
 602     client_setup_decor_and_functions(self, FALSE);
 603
 604     /* create the decoration frame for the client window and adjust its size */
 605     self->frame = frame_new(self);
 606     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 607
 608     ob_debug("gave extents left %d right %d top %d bottom %d\n",
 609              self->frame->size.left, self->frame->size.right,
 610              self->frame->size.top, self->frame->size.bottom);
 611
 612     /* free the ObAppSettings shallow copy */
 613     g_free(settings);
 614
 615     return self;
 616 }
 617
 618 void client_unmanage_all()
 619 {
 620     while (client_list != NULL)
 621         client_unmanage(client_list->data);
 622 }
 623
 624 void client_unmanage(ObClient *self)
 625 {
 626     guint j;
 627     GSList *it;
 628     gulong ignore_start;
 629
 630     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 631              self->window, self->frame->window,
 632              self->class, self->title ? self->title : "");
 633
 634     g_assert(self != NULL);
 635
 636     /* we dont want events no more. do this before hiding the frame so we
 637        don't generate more events */
 638     XSelectInput(ob_display, self->window, NoEventMask);
 639
 640     /* ignore enter events from the unmap so it doesnt mess with the focus */
 641     if (!config_focus_under_mouse)
 642         ignore_start = event_start_ignore_all_enters();
 643
 644     frame_hide(self->frame);
 645     /* flush to send the hide to the server quickly */
 646     XFlush(ob_display);
 647
 648     if (!config_focus_under_mouse)
 649         event_end_ignore_all_enters(ignore_start);
 650
 651     mouse_grab_for_client(self, FALSE);
 652
 653     /* remove the window from our save set */
 654     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 655
 656     /* kill the property windows */
 657     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 658
 659     /* update the focus lists */
 660     focus_order_remove(self);
 661     if (client_focused(self)) {
 662         /* don't leave an invalid focus_client */
 663         focus_client = NULL;
 664     }
 665
 666     client_list = g_list_remove(client_list, self);
 667     stacking_remove(self);
 668     g_hash_table_remove(window_map, &self->window);
 669
 670     /* once the client is out of the list, update the struts to remove its
 671        influence */
 672     if (STRUT_EXISTS(self->strut))
 673         screen_update_areas();
 674
 675     client_call_notifies(self, client_destroy_notifies);
 676
 677     /* tell our parent(s) that we're gone */
 678     for (it = self->parents; it; it = g_slist_next(it))
 679         ((ObClient*)it->data)->transients =
 680             g_slist_remove(((ObClient*)it->data)->transients,self);
 681
 682     /* tell our transients that we're gone */
 683     for (it = self->transients; it; it = g_slist_next(it)) {
 684         ((ObClient*)it->data)->parents =
 685             g_slist_remove(((ObClient*)it->data)->parents, self);
 686         /* we could be keeping our children in a higher layer */
 687         client_calc_layer(it->data);
 688     }
 689
 690     /* remove from its group */
 691     if (self->group) {
 692         group_remove(self->group, self);
 693         self->group = NULL;
 694     }
 695
 696     /* restore the window's original geometry so it is not lost */
 697     {
 698         Rect a;
 699
 700         a = self->area;
 701
 702         if (self->fullscreen)
 703             a = self->pre_fullscreen_area;
 704         else if (self->max_horz || self->max_vert) {
 705             if (self->max_horz) {
 706                 a.x = self->pre_max_area.x;
 707                 a.width = self->pre_max_area.width;
 708             }
 709             if (self->max_vert) {
 710                 a.y = self->pre_max_area.y;
 711                 a.height = self->pre_max_area.height;
 712             }
 713         }
 714
 715         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 716         /* let it be moved and resized no matter what */
 717         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 718         self->decorations = 0; /* unmanaged windows have no decor */
 719
 720         /* give the client its border back */
 721         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 722
 723         client_move_resize(self, a.x, a.y, a.width, a.height);
 724     }
 725
 726     /* reparent the window out of the frame, and free the frame */
 727     frame_release_client(self->frame);
 728     frame_free(self->frame);
 729     self->frame = NULL;
 730
 731     if (ob_state() != OB_STATE_EXITING) {
 732         /* these values should not be persisted across a window
 733            unmapping/mapping */
 734         PROP_ERASE(self->window, net_wm_desktop);
 735         PROP_ERASE(self->window, net_wm_state);
 736         PROP_ERASE(self->window, wm_state);
 737     } else {
 738         /* if we're left in an unmapped state, the client wont be mapped.
 739            this is bad, since we will no longer be managing the window on
 740            restart */
 741         XMapWindow(ob_display, self->window);
 742     }
 743
 744     /* update the list hints */
 745     client_set_list();
 746
 747     ob_debug("Unmanaged window 0x%lx\n", self->window);
 748
 749     /* free all data allocated in the client struct */
 750     g_slist_free(self->transients);
 751     for (j = 0; j < self->nicons; ++j)
 752         g_free(self->icons[j].data);
 753     if (self->nicons > 0)
 754         g_free(self->icons);
 755     g_free(self->wm_command);
 756     g_free(self->title);
 757     g_free(self->icon_title);
 758     g_free(self->name);
 759     g_free(self->class);
 760     g_free(self->role);
 761     g_free(self->client_machine);
 762     g_free(self->sm_client_id);
 763     g_free(self);
 764 }
 765
 766 void client_fake_unmanage(ObClient *self)
 767 {
 768     /* this is all that got allocated to get the decorations */
 769
 770     frame_free(self->frame);
 771     g_free(self);
 772 }
 773
 774 /*! Returns a new structure containing the per-app settings for this client.
 775   The returned structure needs to be freed with g_free. */
 776 static ObAppSettings *client_get_settings_state(ObClient *self)
 777 {
 778     ObAppSettings *settings;
 779     GSList *it;
 780
 781     settings = config_create_app_settings();
 782
 783     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 784         ObAppSettings *app = it->data;
 785         gboolean match = TRUE;
 786
 787         g_assert(app->name != NULL || app->class != NULL);
 788
 789         /* we know that either name or class is not NULL so it will have to
 790            match to use the rule */
 791         if (app->name &&
 792             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 793             match = FALSE;
 794         else if (app->class &&
 795                 !g_pattern_match(app->class,
 796                                  strlen(self->class), self->class, NULL))
 797             match = FALSE;
 798         else if (app->role &&
 799                  !g_pattern_match(app->role,
 800                                   strlen(self->role), self->role, NULL))
 801             match = FALSE;
 802
 803         if (match) {
 804             ob_debug("Window matching: %s\n", app->name);
 805
 806             /* copy the settings to our struct, overriding the existing
 807                settings if they are not defaults */
 808             config_app_settings_copy_non_defaults(app, settings);
 809         }
 810     }
 811
 812     if (settings->shade != -1)
 813         self->shaded = !!settings->shade;
 814     if (settings->decor != -1)
 815         self->undecorated = !settings->decor;
 816     if (settings->iconic != -1)
 817         self->iconic = !!settings->iconic;
 818     if (settings->skip_pager != -1)
 819         self->skip_pager = !!settings->skip_pager;
 820     if (settings->skip_taskbar != -1)
 821         self->skip_taskbar = !!settings->skip_taskbar;
 822
 823     if (settings->max_vert != -1)
 824         self->max_vert = !!settings->max_vert;
 825     if (settings->max_horz != -1)
 826         self->max_horz = !!settings->max_horz;
 827
 828     if (settings->fullscreen != -1)
 829         self->fullscreen = !!settings->fullscreen;
 830
 831     if (settings->desktop) {
 832         if (settings->desktop == DESKTOP_ALL)
 833             self->desktop = settings->desktop;
 834         else if (settings->desktop > 0 &&
 835                  settings->desktop <= screen_num_desktops)
 836             self->desktop = settings->desktop - 1;
 837     }
 838
 839     if (settings->layer == -1) {
 840         self->below = TRUE;
 841         self->above = FALSE;
 842     }
 843     else if (settings->layer == 0) {
 844         self->below = FALSE;
 845         self->above = FALSE;
 846     }
 847     else if (settings->layer == 1) {
 848         self->below = FALSE;
 849         self->above = TRUE;
 850     }
 851     return settings;
 852 }
 853
 854 static void client_restore_session_state(ObClient *self)
 855 {
 856     GList *it;
 857
 858     ob_debug_type(OB_DEBUG_SM,
 859                   "Restore session for client %s\n", self->title);
 860
 861     if (!(it = session_state_find(self))) {
 862         ob_debug_type(OB_DEBUG_SM,
 863                       "Session data not found for client %s\n", self->title);
 864         return;
 865     }
 866
 867     self->session = it->data;
 868
 869     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 870                   self->title);
 871
 872     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 873     self->positioned = USPosition;
 874     self->sized = USSize;
 875     if (self->session->w > 0)
 876         self->area.width = self->session->w;
 877     if (self->session->h > 0)
 878         self->area.height = self->session->h;
 879     XResizeWindow(ob_display, self->window,
 880                   self->area.width, self->area.height);
 881
 882     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 883                      self->session->desktop :
 884                      MIN(screen_num_desktops - 1, self->session->desktop));
 885     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 886
 887     self->shaded = self->session->shaded;
 888     self->iconic = self->session->iconic;
 889     self->skip_pager = self->session->skip_pager;
 890     self->skip_taskbar = self->session->skip_taskbar;
 891     self->fullscreen = self->session->fullscreen;
 892     self->above = self->session->above;
 893     self->below = self->session->below;
 894     self->max_horz = self->session->max_horz;
 895     self->max_vert = self->session->max_vert;
 896     self->undecorated = self->session->undecorated;
 897 }
 898
 899 static gboolean client_restore_session_stacking(ObClient *self)
 900 {
 901     GList *it, *mypos;
 902
 903     if (!self->session) return FALSE;
 904
 905     mypos = g_list_find(session_saved_state, self->session);
 906     if (!mypos) return FALSE;
 907
 908     /* start above me and look for the first client */
 909     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 910         GList *cit;
 911
 912         for (cit = client_list; cit; cit = g_list_next(cit)) {
 913             ObClient *c = cit->data;
 914             /* found a client that was in the session, so go below it */
 915             if (c->session == it->data) {
 916                 stacking_below(CLIENT_AS_WINDOW(self),
 917                                CLIENT_AS_WINDOW(cit->data));
 918                 return TRUE;
 919             }
 920         }
 921     }
 922     return FALSE;
 923 }
 924
 925 void client_move_onscreen(ObClient *self, gboolean rude)
 926 {
 927     gint x = self->area.x;
 928     gint y = self->area.y;
 929     if (client_find_onscreen(self, &x, &y,
 930                              self->area.width,
 931                              self->area.height, rude)) {
 932         client_move(self, x, y);
 933     }
 934 }
 935
 936 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 937                               gboolean rude)
 938 {
 939     gint ox = *x, oy = *y;
 940     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 941     gint fw, fh;
 942     Rect desired;
 943     guint i;
 944
 945     RECT_SET(desired, *x, *y, w, h);
 946     frame_rect_to_frame(self->frame, &desired);
 947
 948     /* get where the frame would be */
 949     frame_client_gravity(self->frame, x, y);
 950
 951     /* get the requested size of the window with decorations */
 952     fw = self->frame->size.left + w + self->frame->size.right;
 953     fh = self->frame->size.top + h + self->frame->size.bottom;
 954
 955     /* If rudeness wasn't requested, then still be rude in a given direction
 956        if the client is not moving, only resizing in that direction */
 957     if (!rude) {
 958         Point oldtl, oldtr, oldbl, oldbr;
 959         Point newtl, newtr, newbl, newbr;
 960         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 961
 962         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 963         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 964                   self->frame->area.y + self->frame->area.height - 1);
 965         POINT_SET(oldtr, oldbr.x, oldtl.y);
 966         POINT_SET(oldbl, oldtl.x, oldbr.y);
 967
 968         POINT_SET(newtl, *x, *y);
 969         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 970         POINT_SET(newtr, newbr.x, newtl.y);
 971         POINT_SET(newbl, newtl.x, newbr.y);
 972
 973         /* is it moving or just resizing from some corner? */
 974         stationary_l = oldtl.x == newtl.x;
 975         stationary_r = oldtr.x == newtr.x;
 976         stationary_t = oldtl.y == newtl.y;
 977         stationary_b = oldbl.y == newbl.y;
 978
 979         /* if left edge is growing and didnt move right edge */
 980         if (stationary_r && newtl.x < oldtl.x)
 981             rudel = TRUE;
 982         /* if right edge is growing and didnt move left edge */
 983         if (stationary_l && newtr.x > oldtr.x)
 984             ruder = TRUE;
 985         /* if top edge is growing and didnt move bottom edge */
 986         if (stationary_b && newtl.y < oldtl.y)
 987             rudet = TRUE;
 988         /* if bottom edge is growing and didnt move top edge */
 989         if (stationary_t && newbl.y > oldbl.y)
 990             rudeb = TRUE;
 991     }
 992
 993     for (i = 0; i < screen_num_monitors; ++i) {
 994         Rect *a;
 995
 996         if (!screen_physical_area_monitor_contains(i, &desired)) {
 997             if (i < screen_num_monitors - 1)
 998                 continue;
 999
1000             /* the window is not inside any monitor! so just use the first
1001                one */
1002             a = screen_area(self->desktop, 0, NULL);
1003         } else
1004             a = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR, &desired);
1005
1006         /* This makes sure windows aren't entirely outside of the screen so you
1007            can't see them at all.
1008            It makes sure 10% of the window is on the screen at least. At don't
1009            let it move itself off the top of the screen, which would hide the
1010            titlebar on you. (The user can still do this if they want too, it's
1011            only limiting the application.
1012         */
1013         if (client_normal(self)) {
1014             if (!self->strut.right && *x + fw/10 >= a->x + a->width - 1)
1015                 *x = a->x + a->width - fw/10;
1016             if (!self->strut.bottom && *y + fh/10 >= a->y + a->height - 1)
1017                 *y = a->y + a->height - fh/10;
1018             if (!self->strut.left && *x + fw*9/10 - 1 < a->x)
1019                 *x = a->x - fw*9/10;
1020             if (!self->strut.top && *y + fh*9/10 - 1 < a->y)
1021                 *y = a->y - fh*9/10;
1022         }
1023
1024         /* This here doesn't let windows even a pixel outside the
1025            struts/screen. When called from client_manage, programs placing
1026            themselves are forced completely onscreen, while things like
1027            xterm -geometry resolution-width/2 will work fine. Trying to
1028            place it completely offscreen will be handled in the above code.
1029            Sorry for this confused comment, i am tired. */
1030         if (rudel && !self->strut.left && *x < a->x) *x = a->x;
1031         if (ruder && !self->strut.right && *x + fw > a->x + a->width)
1032             *x = a->x + MAX(0, a->width - fw);
1033
1034         if (rudet && !self->strut.top && *y < a->y) *y = a->y;
1035         if (rudeb && !self->strut.bottom && *y + fh > a->y + a->height)
1036             *y = a->y + MAX(0, a->height - fh);
1037
1038         g_free(a);
1039     }
1040
1041     /* get where the client should be */
1042     frame_frame_gravity(self->frame, x, y);
1043
1044     return ox != *x || oy != *y;
1045 }
1046
1047 static void client_get_all(ObClient *self, gboolean real)
1048 {
1049     /* this is needed for the frame to set itself up */
1050     client_get_area(self);
1051
1052     /* these things can change the decor and functions of the window */
1053
1054     client_get_mwm_hints(self);
1055     /* this can change the mwmhints for special cases */
1056     client_get_type_and_transientness(self);
1057     client_get_state(self);
1058     client_update_normal_hints(self);
1059
1060     /* get the session related properties, these can change decorations
1061        from per-app settings */
1062     client_get_session_ids(self);
1063
1064     /* now we got everything that can affect the decorations */
1065     if (!real)
1066         return;
1067
1068     /* get this early so we have it for debugging */
1069     client_update_title(self);
1070
1071     client_update_protocols(self);
1072
1073     client_update_wmhints(self);
1074     /* this may have already been called from client_update_wmhints */
1075     if (!self->parents && !self->transient_for_group)
1076         client_update_transient_for(self);
1077
1078     client_get_startup_id(self);
1079     client_get_desktop(self);/* uses transient data/group/startup id if a
1080                                 desktop is not specified */
1081     client_get_shaped(self);
1082
1083     {
1084         /* a couple type-based defaults for new windows */
1085
1086         /* this makes sure that these windows appear on all desktops */
1087         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1088             self->desktop = DESKTOP_ALL;
1089     }
1090
1091 #ifdef SYNC
1092     client_update_sync_request_counter(self);
1093 #endif
1094
1095     client_get_colormap(self);
1096     client_update_strut(self);
1097     client_update_icons(self);
1098     client_update_user_time_window(self);
1099     if (!self->user_time_window) /* check if this would have been called */
1100         client_update_user_time(self);
1101     client_update_icon_geometry(self);
1102 }
1103
1104 static void client_get_startup_id(ObClient *self)
1105 {
1106     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1107         if (self->group)
1108             PROP_GETS(self->group->leader,
1109                       net_startup_id, utf8, &self->startup_id);
1110 }
1111
1112 static void client_get_area(ObClient *self)
1113 {
1114     XWindowAttributes wattrib;
1115     Status ret;
1116
1117     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1118     g_assert(ret != BadWindow);
1119
1120     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1121     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1122     self->border_width = wattrib.border_width;
1123
1124     ob_debug("client area: %d %d  %d %d  bw %d\n", wattrib.x, wattrib.y,
1125              wattrib.width, wattrib.height, wattrib.border_width);
1126 }
1127
1128 static void client_get_desktop(ObClient *self)
1129 {
1130     guint32 d = screen_num_desktops; /* an always-invalid value */
1131
1132     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1133         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1134             self->desktop = screen_num_desktops - 1;
1135         else
1136             self->desktop = d;
1137         ob_debug("client requested desktop 0x%x\n", self->desktop);
1138     } else {
1139         GSList *it;
1140         gboolean first = TRUE;
1141         guint all = screen_num_desktops; /* not a valid value */
1142
1143         /* if they are all on one desktop, then open it on the
1144            same desktop */
1145         for (it = self->parents; it; it = g_slist_next(it)) {
1146             ObClient *c = it->data;
1147
1148             if (c->desktop == DESKTOP_ALL) continue;
1149
1150             if (first) {
1151                 all = c->desktop;
1152                 first = FALSE;
1153             }
1154             else if (all != c->desktop)
1155                 all = screen_num_desktops; /* make it invalid */
1156         }
1157         if (all != screen_num_desktops) {
1158             self->desktop = all;
1159
1160             ob_debug("client desktop set from parents: 0x%x\n",
1161                      self->desktop);
1162         }
1163         /* try get from the startup-notification protocol */
1164         else if (sn_get_desktop(self->startup_id, &self->desktop)) {
1165             if (self->desktop >= screen_num_desktops &&
1166                 self->desktop != DESKTOP_ALL)
1167                 self->desktop = screen_num_desktops - 1;
1168             ob_debug("client desktop set from startup-notification: 0x%x\n",
1169                      self->desktop);
1170         }
1171         /* defaults to the current desktop */
1172         else {
1173             self->desktop = screen_desktop;
1174             ob_debug("client desktop set to the current desktop: %d\n",
1175                      self->desktop);
1176         }
1177     }
1178 }
1179
1180 static void client_get_state(ObClient *self)
1181 {
1182     guint32 *state;
1183     guint num;
1184
1185     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1186         gulong i;
1187         for (i = 0; i < num; ++i) {
1188             if (state[i] == prop_atoms.net_wm_state_modal)
1189                 self->modal = TRUE;
1190             else if (state[i] == prop_atoms.net_wm_state_shaded)
1191                 self->shaded = TRUE;
1192             else if (state[i] == prop_atoms.net_wm_state_hidden)
1193                 self->iconic = TRUE;
1194             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1195                 self->skip_taskbar = TRUE;
1196             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1197                 self->skip_pager = TRUE;
1198             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1199                 self->fullscreen = TRUE;
1200             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1201                 self->max_vert = TRUE;
1202             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1203                 self->max_horz = TRUE;
1204             else if (state[i] == prop_atoms.net_wm_state_above)
1205                 self->above = TRUE;
1206             else if (state[i] == prop_atoms.net_wm_state_below)
1207                 self->below = TRUE;
1208             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1209                 self->demands_attention = TRUE;
1210             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1211                 self->undecorated = TRUE;
1212         }
1213
1214         g_free(state);
1215     }
1216 }
1217
1218 static void client_get_shaped(ObClient *self)
1219 {
1220     self->shaped = FALSE;
1221 #ifdef   SHAPE
1222     if (extensions_shape) {
1223         gint foo;
1224         guint ufoo;
1225         gint s;
1226
1227         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1228
1229         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1230                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1231                            &ufoo);
1232         self->shaped = (s != 0);
1233     }
1234 #endif
1235 }
1236
1237 void client_update_transient_for(ObClient *self)
1238 {
1239     Window t = None;
1240     ObClient *target = NULL;
1241     gboolean trangroup = FALSE;
1242
1243     if (XGetTransientForHint(ob_display, self->window, &t)) {
1244         if (t != self->window) { /* cant be transient to itself! */
1245             target = g_hash_table_lookup(window_map, &t);
1246             /* if this happens then we need to check for it*/
1247             g_assert(target != self);
1248             if (target && !WINDOW_IS_CLIENT(target)) {
1249                 /* this can happen when a dialog is a child of
1250                    a dockapp, for example */
1251                 target = NULL;
1252             }
1253         }
1254
1255         /* Setting the transient_for to Root is actually illegal, however
1256            applications from time have done this to specify transient for
1257            their group */
1258         if (!target && self->group && t == RootWindow(ob_display, ob_screen))
1259             trangroup = TRUE;
1260     } else if (self->group && self->transient)
1261         trangroup = TRUE;
1262
1263     client_update_transient_tree(self, self->group, self->group,
1264                                  self->transient_for_group, trangroup,
1265                                  client_direct_parent(self), target);
1266     self->transient_for_group = trangroup;
1267
1268 }
1269
1270 static void client_update_transient_tree(ObClient *self,
1271                                          ObGroup *oldgroup, ObGroup *newgroup,
1272                                          gboolean oldgtran, gboolean newgtran,
1273                                          ObClient* oldparent,
1274                                          ObClient *newparent)
1275 {
1276     GSList *it, *next;
1277     ObClient *c;
1278
1279     g_assert(!oldgtran || oldgroup);
1280     g_assert(!newgtran || newgroup);
1281     g_assert((!oldgtran && !oldparent) ||
1282              (oldgtran && !oldparent) ||
1283              (!oldgtran && oldparent));
1284     g_assert((!newgtran && !newparent) ||
1285              (newgtran && !newparent) ||
1286              (!newgtran && newparent));
1287
1288     /* * *
1289       Group transient windows are not allowed to have other group
1290       transient windows as their children.
1291       * * */
1292
1293
1294     /* No change has occured */
1295     if (oldgroup == newgroup &&
1296         oldgtran == newgtran &&
1297         oldparent == newparent) return;
1298
1299     /** Remove the client from the transient tree **/
1300
1301     for (it = self->transients; it; it = next) {
1302         next = g_slist_next(it);
1303         c = it->data;
1304         self->transients = g_slist_delete_link(self->transients, it);
1305         c->parents = g_slist_remove(c->parents, self);
1306     }
1307     for (it = self->parents; it; it = next) {
1308         next = g_slist_next(it);
1309         c = it->data;
1310         self->parents = g_slist_delete_link(self->parents, it);
1311         c->transients = g_slist_remove(c->transients, self);
1312     }
1313
1314     /** Re-add the client to the transient tree **/
1315
1316     /* If we're transient for a group then we need to add ourselves to all our
1317        parents */
1318     if (newgtran) {
1319         for (it = newgroup->members; it; it = g_slist_next(it)) {
1320             c = it->data;
1321             if (c != self &&
1322                 !client_search_top_direct_parent(c)->transient_for_group &&
1323                 client_normal(c))
1324             {
1325                 c->transients = g_slist_prepend(c->transients, self);
1326                 self->parents = g_slist_prepend(self->parents, c);
1327             }
1328         }
1329     }
1330
1331     /* If we are now transient for a single window we need to add ourselves to
1332        its children
1333
1334        WARNING: Cyclical transient ness is possible if two windows are
1335        transient for eachother.
1336     */
1337     else if (newparent &&
1338              /* don't make ourself its child if it is already our child */
1339              !client_is_direct_child(self, newparent) &&
1340              client_normal(newparent))
1341     {
1342         newparent->transients = g_slist_prepend(newparent->transients, self);
1343         self->parents = g_slist_prepend(self->parents, newparent);
1344     }
1345
1346     /* Add any group transient windows to our children. But if we're transient
1347        for the group, then other group transients are not our children.
1348
1349        WARNING: Cyclical transient-ness is possible. For e.g. if:
1350        A is transient for the group
1351        B is transient for A
1352        C is transient for B
1353        A can't be transient for C or we have a cycle
1354     */
1355     if (!newgtran && newgroup &&
1356         (!newparent ||
1357          !client_search_top_direct_parent(newparent)->transient_for_group) &&
1358         client_normal(self))
1359     {
1360         for (it = newgroup->members; it; it = g_slist_next(it)) {
1361             c = it->data;
1362             if (c != self && c->transient_for_group &&
1363                 /* Don't make it our child if it is already our parent */
1364                 !client_is_direct_child(c, self))
1365             {
1366                 self->transients = g_slist_prepend(self->transients, c);
1367                 c->parents = g_slist_prepend(c->parents, self);
1368             }
1369         }
1370     }
1371
1372     /** If we change our group transient-ness, our children change their
1373         effect group transient-ness, which affects how they relate to other
1374         group windows **/
1375
1376     for (it = self->transients; it; it = g_slist_next(it)) {
1377         c = it->data;
1378         if (!c->transient_for_group)
1379             client_update_transient_tree(c, c->group, c->group,
1380                                          c->transient_for_group,
1381                                          c->transient_for_group,
1382                                          client_direct_parent(c),
1383                                          client_direct_parent(c));
1384     }
1385 }
1386
1387 static void client_get_mwm_hints(ObClient *self)
1388 {
1389     guint num;
1390     guint32 *hints;
1391
1392     self->mwmhints.flags = 0; /* default to none */
1393
1394     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1395                     &hints, &num)) {
1396         if (num >= OB_MWM_ELEMENTS) {
1397             self->mwmhints.flags = hints[0];
1398             self->mwmhints.functions = hints[1];
1399             self->mwmhints.decorations = hints[2];
1400         }
1401         g_free(hints);
1402     }
1403 }
1404
1405 void client_get_type_and_transientness(ObClient *self)
1406 {
1407     guint num, i;
1408     guint32 *val;
1409     Window t;
1410
1411     self->type = -1;
1412     self->transient = FALSE;
1413
1414     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1415         /* use the first value that we know about in the array */
1416         for (i = 0; i < num; ++i) {
1417             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1418                 self->type = OB_CLIENT_TYPE_DESKTOP;
1419             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1420                 self->type = OB_CLIENT_TYPE_DOCK;
1421             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1422                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1423             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1424                 self->type = OB_CLIENT_TYPE_MENU;
1425             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1426                 self->type = OB_CLIENT_TYPE_UTILITY;
1427             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1428                 self->type = OB_CLIENT_TYPE_SPLASH;
1429             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1430                 self->type = OB_CLIENT_TYPE_DIALOG;
1431             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1432                 self->type = OB_CLIENT_TYPE_NORMAL;
1433             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1434                 /* prevent this window from getting any decor or
1435                    functionality */
1436                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1437                                          OB_MWM_FLAG_DECORATIONS);
1438                 self->mwmhints.decorations = 0;
1439                 self->mwmhints.functions = 0;
1440             }
1441             if (self->type != (ObClientType) -1)
1442                 break; /* grab the first legit type */
1443         }
1444         g_free(val);
1445     }
1446
1447     if (XGetTransientForHint(ob_display, self->window, &t))
1448         self->transient = TRUE;
1449
1450     if (self->type == (ObClientType) -1) {
1451         /*the window type hint was not set, which means we either classify
1452           ourself as a normal window or a dialog, depending on if we are a
1453           transient. */
1454         if (self->transient)
1455             self->type = OB_CLIENT_TYPE_DIALOG;
1456         else
1457             self->type = OB_CLIENT_TYPE_NORMAL;
1458     }
1459
1460     /* then, based on our type, we can update our transientness.. */
1461     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1462         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1463         self->type == OB_CLIENT_TYPE_MENU ||
1464         self->type == OB_CLIENT_TYPE_UTILITY)
1465     {
1466         self->transient = TRUE;
1467     }
1468 }
1469
1470 void client_update_protocols(ObClient *self)
1471 {
1472     guint32 *proto;
1473     guint num_return, i;
1474
1475     self->focus_notify = FALSE;
1476     self->delete_window = FALSE;
1477
1478     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1479         for (i = 0; i < num_return; ++i) {
1480             if (proto[i] == prop_atoms.wm_delete_window)
1481                 /* this means we can request the window to close */
1482                 self->delete_window = TRUE;
1483             else if (proto[i] == prop_atoms.wm_take_focus)
1484                 /* if this protocol is requested, then the window will be
1485                    notified whenever we want it to receive focus */
1486                 self->focus_notify = TRUE;
1487 #ifdef SYNC
1488             else if (proto[i] == prop_atoms.net_wm_sync_request)
1489                 /* if this protocol is requested, then resizing the
1490                    window will be synchronized between the frame and the
1491                    client */
1492                 self->sync_request = TRUE;
1493 #endif
1494         }
1495         g_free(proto);
1496     }
1497 }
1498
1499 #ifdef SYNC
1500 void client_update_sync_request_counter(ObClient *self)
1501 {
1502     guint32 i;
1503
1504     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1505         self->sync_counter = i;
1506     } else
1507         self->sync_counter = None;
1508 }
1509 #endif
1510
1511 void client_get_colormap(ObClient *self)
1512 {
1513     XWindowAttributes wa;
1514
1515     if (XGetWindowAttributes(ob_display, self->window, &wa))
1516         client_update_colormap(self, wa.colormap);
1517 }
1518
1519 void client_update_colormap(ObClient *self, Colormap colormap)
1520 {
1521     if (colormap == self->colormap) return;
1522
1523     ob_debug("Setting client %s colormap: 0x%x\n", self->title, colormap);
1524
1525     if (client_focused(self)) {
1526         screen_install_colormap(self, FALSE); /* uninstall old one */
1527         self->colormap = colormap;
1528         screen_install_colormap(self, FALSE); /* install new one */
1529     } else
1530         self->colormap = colormap;
1531 }
1532
1533 void client_update_normal_hints(ObClient *self)
1534 {
1535     XSizeHints size;
1536     glong ret;
1537
1538     /* defaults */
1539     self->min_ratio = 0.0f;
1540     self->max_ratio = 0.0f;
1541     SIZE_SET(self->size_inc, 1, 1);
1542     SIZE_SET(self->base_size, 0, 0);
1543     SIZE_SET(self->min_size, 0, 0);
1544     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1545
1546     /* get the hints from the window */
1547     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1548         /* normal windows can't request placement! har har
1549         if (!client_normal(self))
1550         */
1551         self->positioned = (size.flags & (PPosition|USPosition));
1552         self->sized = (size.flags & (PSize|USSize));
1553
1554         if (size.flags & PWinGravity)
1555             self->gravity = size.win_gravity;
1556
1557         if (size.flags & PAspect) {
1558             if (size.min_aspect.y)
1559                 self->min_ratio =
1560                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1561             if (size.max_aspect.y)
1562                 self->max_ratio =
1563                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1564         }
1565
1566         if (size.flags & PMinSize)
1567             SIZE_SET(self->min_size, size.min_width, size.min_height);
1568
1569         if (size.flags & PMaxSize)
1570             SIZE_SET(self->max_size, size.max_width, size.max_height);
1571
1572         if (size.flags & PBaseSize)
1573             SIZE_SET(self->base_size, size.base_width, size.base_height);
1574
1575         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1576             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1577
1578         ob_debug("Normal hints: min size (%d %d) max size (%d %d)\n   "
1579                  "size inc (%d %d) base size (%d %d)\n",
1580                  self->min_size.width, self->min_size.height,
1581                  self->max_size.width, self->max_size.height,
1582                  self->size_inc.width, self->size_inc.height,
1583                  self->base_size.width, self->base_size.height);
1584     }
1585     else
1586         ob_debug("Normal hints: not set\n");
1587 }
1588
1589 void client_setup_decor_and_functions(ObClient *self, gboolean reconfig)
1590 {
1591     /* start with everything (cept fullscreen) */
1592     self->decorations =
1593         (OB_FRAME_DECOR_TITLEBAR |
1594          OB_FRAME_DECOR_HANDLE |
1595          OB_FRAME_DECOR_GRIPS |
1596          OB_FRAME_DECOR_BORDER |
1597          OB_FRAME_DECOR_ICON |
1598          OB_FRAME_DECOR_ALLDESKTOPS |
1599          OB_FRAME_DECOR_ICONIFY |
1600          OB_FRAME_DECOR_MAXIMIZE |
1601          OB_FRAME_DECOR_SHADE |
1602          OB_FRAME_DECOR_CLOSE);
1603     self->functions =
1604         (OB_CLIENT_FUNC_RESIZE |
1605          OB_CLIENT_FUNC_MOVE |
1606          OB_CLIENT_FUNC_ICONIFY |
1607          OB_CLIENT_FUNC_MAXIMIZE |
1608          OB_CLIENT_FUNC_SHADE |
1609          OB_CLIENT_FUNC_CLOSE |
1610          OB_CLIENT_FUNC_BELOW |
1611          OB_CLIENT_FUNC_ABOVE |
1612          OB_CLIENT_FUNC_UNDECORATE);
1613
1614     if (!(self->min_size.width < self->max_size.width ||
1615           self->min_size.height < self->max_size.height))
1616         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1617
1618     switch (self->type) {
1619     case OB_CLIENT_TYPE_NORMAL:
1620         /* normal windows retain all of the possible decorations and
1621            functionality, and are the only windows that you can fullscreen */
1622         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1623         break;
1624
1625     case OB_CLIENT_TYPE_DIALOG:
1626     case OB_CLIENT_TYPE_UTILITY:
1627         /* these windows don't have anything added or removed by default */
1628         break;
1629
1630     case OB_CLIENT_TYPE_MENU:
1631     case OB_CLIENT_TYPE_TOOLBAR:
1632         /* these windows can't iconify or maximize */
1633         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1634                                OB_FRAME_DECOR_MAXIMIZE);
1635         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1636                              OB_CLIENT_FUNC_MAXIMIZE);
1637         break;
1638
1639     case OB_CLIENT_TYPE_SPLASH:
1640         /* these don't get get any decorations, and the only thing you can
1641            do with them is move them */
1642         self->decorations = 0;
1643         self->functions = OB_CLIENT_FUNC_MOVE;
1644         break;
1645
1646     case OB_CLIENT_TYPE_DESKTOP:
1647         /* these windows are not manipulated by the window manager */
1648         self->decorations = 0;
1649         self->functions = 0;
1650         break;
1651
1652     case OB_CLIENT_TYPE_DOCK:
1653         /* these windows are not manipulated by the window manager, but they
1654            can set below layer which has a special meaning */
1655         self->decorations = 0;
1656         self->functions = OB_CLIENT_FUNC_BELOW;
1657         break;
1658     }
1659
1660     /* Mwm Hints are applied subtractively to what has already been chosen for
1661        decor and functionality */
1662     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1663         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1664             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1665                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1666             {
1667                 /* if the mwm hints request no handle or title, then all
1668                    decorations are disabled, but keep the border if that's
1669                    specified */
1670                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1671                     self->decorations = OB_FRAME_DECOR_BORDER;
1672                 else
1673                     self->decorations = 0;
1674             }
1675         }
1676     }
1677
1678     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1679         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1680             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1681                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1682             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1683                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1684             /* dont let mwm hints kill any buttons
1685                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1686                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1687                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1688                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1689             */
1690             /* dont let mwm hints kill the close button
1691                if (! (self->mwmhints.functions & MwmFunc_Close))
1692                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1693         }
1694     }
1695
1696     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1697         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1698     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1699         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1700     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1701         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1702
1703     /* can't maximize without moving/resizing */
1704     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1705           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1706           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1707         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1708         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1709     }
1710
1711     if (self->max_horz && self->max_vert) {
1712         /* you can't resize fully maximized windows */
1713         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1714         /* kill the handle on fully maxed windows */
1715         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1716     }
1717
1718     /* If there are no decorations to remove, don't allow the user to try
1719        toggle the state */
1720     if (self->decorations == 0)
1721         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1722
1723     /* finally, the user can have requested no decorations, which overrides
1724        everything (but doesnt give it a border if it doesnt have one) */
1725     if (self->undecorated)
1726         self->decorations = 0;
1727
1728     /* if we don't have a titlebar, then we cannot shade! */
1729     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1730         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1731
1732     /* now we need to check against rules for the client's current state */
1733     if (self->fullscreen) {
1734         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1735                             OB_CLIENT_FUNC_FULLSCREEN |
1736                             OB_CLIENT_FUNC_ICONIFY);
1737         self->decorations = 0;
1738     }
1739
1740     client_change_allowed_actions(self);
1741
1742     if (reconfig)
1743         /* force reconfigure to make sure decorations are updated */
1744         client_reconfigure(self, TRUE);
1745 }
1746
1747 static void client_change_allowed_actions(ObClient *self)
1748 {
1749     gulong actions[12];
1750     gint num = 0;
1751
1752     /* desktop windows are kept on all desktops */
1753     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1754         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1755
1756     if (self->functions & OB_CLIENT_FUNC_SHADE)
1757         actions[num++] = prop_atoms.net_wm_action_shade;
1758     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1759         actions[num++] = prop_atoms.net_wm_action_close;
1760     if (self->functions & OB_CLIENT_FUNC_MOVE)
1761         actions[num++] = prop_atoms.net_wm_action_move;
1762     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1763         actions[num++] = prop_atoms.net_wm_action_minimize;
1764     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1765         actions[num++] = prop_atoms.net_wm_action_resize;
1766     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1767         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1768     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1769         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1770         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1771     }
1772     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1773         actions[num++] = prop_atoms.net_wm_action_above;
1774     if (self->functions & OB_CLIENT_FUNC_BELOW)
1775         actions[num++] = prop_atoms.net_wm_action_below;
1776     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1777         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1778
1779     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1780
1781     /* make sure the window isn't breaking any rules now */
1782
1783     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1784         if (self->frame) client_shade(self, FALSE);
1785         else self->shaded = FALSE;
1786     }
1787     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1788         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1789         else self->iconic = FALSE;
1790     }
1791     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1792         if (self->frame) client_fullscreen(self, FALSE);
1793         else self->fullscreen = FALSE;
1794     }
1795     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1796                                                          self->max_vert)) {
1797         if (self->frame) client_maximize(self, FALSE, 0);
1798         else self->max_vert = self->max_horz = FALSE;
1799     }
1800 }
1801
1802 void client_update_wmhints(ObClient *self)
1803 {
1804     XWMHints *hints;
1805
1806     /* assume a window takes input if it doesnt specify */
1807     self->can_focus = TRUE;
1808
1809     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1810         gboolean ur;
1811
1812         if (hints->flags & InputHint)
1813             self->can_focus = hints->input;
1814
1815         /* only do this when first managing the window *AND* when we aren't
1816            starting up! */
1817         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1818             if (hints->flags & StateHint)
1819                 self->iconic = hints->initial_state == IconicState;
1820
1821         ur = self->urgent;
1822         self->urgent = (hints->flags & XUrgencyHint);
1823         if (self->urgent && !ur)
1824             client_hilite(self, TRUE);
1825         else if (!self->urgent && ur && self->demands_attention)
1826             client_hilite(self, FALSE);
1827
1828         if (!(hints->flags & WindowGroupHint))
1829             hints->window_group = None;
1830
1831         /* did the group state change? */
1832         if (hints->window_group !=
1833             (self->group ? self->group->leader : None))
1834         {
1835             ObGroup *oldgroup = self->group;
1836
1837             /* remove from the old group if there was one */
1838             if (self->group != NULL) {
1839                 group_remove(self->group, self);
1840                 self->group = NULL;
1841             }
1842
1843             /* add ourself to the group if we have one */
1844             if (hints->window_group != None) {
1845                 self->group = group_add(hints->window_group, self);
1846             }
1847
1848             /* Put ourselves into the new group's transient tree, and remove
1849                ourselves from the old group's */
1850             client_update_transient_tree(self, oldgroup, self->group,
1851                                          self->transient_for_group,
1852                                          self->transient_for_group,
1853                                          client_direct_parent(self),
1854                                          client_direct_parent(self));
1855
1856             /* Lastly, being in a group, or not, can change if the window is
1857                transient for anything.
1858
1859                The logic for this is:
1860                self->transient = TRUE always if the window wants to be
1861                transient for something, even if transient_for was NULL because
1862                it wasn't in a group before.
1863
1864                If parents was NULL and oldgroup was NULL we can assume
1865                that when we add the new group, it will become transient for
1866                something.
1867
1868                If transient_for_group is TRUE, then it must have already
1869                had a group. If it is getting a new group, the above call to
1870                client_update_transient_tree has already taken care of
1871                everything ! If it is losing all group status then it will
1872                no longer be transient for anything and that needs to be
1873                updated.
1874             */
1875             if (self->transient &&
1876                 ((self->parents == NULL && oldgroup == NULL) ||
1877                  (self->transient_for_group && !self->group)))
1878                 client_update_transient_for(self);
1879         }
1880
1881         /* the WM_HINTS can contain an icon */
1882         if (hints->flags & IconPixmapHint)
1883             client_update_icons(self);
1884
1885         XFree(hints);
1886     }
1887 }
1888
1889 void client_update_title(ObClient *self)
1890 {
1891     gchar *data = NULL;
1892     gchar *visible = NULL;
1893
1894     g_free(self->title);
1895
1896     /* try netwm */
1897     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1898         /* try old x stuff */
1899         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1900               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1901             if (self->transient) {
1902     /*
1903     GNOME alert windows are not given titles:
1904     http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1905     */
1906                 data = g_strdup("");
1907             } else
1908                 data = g_strdup("Unnamed Window");
1909         }
1910     }
1911
1912     if (self->client_machine) {
1913         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1914         g_free(data);
1915     } else
1916         visible = data;
1917
1918     PROP_SETS(self->window, net_wm_visible_name, visible);
1919     self->title = visible;
1920
1921     if (self->frame)
1922         frame_adjust_title(self->frame);
1923
1924     /* update the icon title */
1925     data = NULL;
1926     g_free(self->icon_title);
1927
1928     /* try netwm */
1929     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1930         /* try old x stuff */
1931         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1932               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1933             data = g_strdup(self->title);
1934
1935     if (self->client_machine) {
1936         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1937         g_free(data);
1938     } else
1939         visible = data;
1940
1941     PROP_SETS(self->window, net_wm_visible_icon_name, visible);
1942     self->icon_title = visible;
1943 }
1944
1945 void client_update_strut(ObClient *self)
1946 {
1947     guint num;
1948     guint32 *data;
1949     gboolean got = FALSE;
1950     StrutPartial strut;
1951
1952     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1953                     &data, &num)) {
1954         if (num == 12) {
1955             got = TRUE;
1956             STRUT_PARTIAL_SET(strut,
1957                               data[0], data[2], data[1], data[3],
1958                               data[4], data[5], data[8], data[9],
1959                               data[6], data[7], data[10], data[11]);
1960         }
1961         g_free(data);
1962     }
1963
1964     if (!got &&
1965         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1966         if (num == 4) {
1967             Rect *a;
1968
1969             got = TRUE;
1970
1971             /* use the screen's width/height */
1972             a = screen_physical_area_all_monitors();
1973
1974             STRUT_PARTIAL_SET(strut,
1975                               data[0], data[2], data[1], data[3],
1976                               a->y, a->y + a->height - 1,
1977                               a->x, a->x + a->width - 1,
1978                               a->y, a->y + a->height - 1,
1979                               a->x, a->x + a->width - 1);
1980             g_free(a);
1981         }
1982         g_free(data);
1983     }
1984
1985     if (!got)
1986         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1987                           0, 0, 0, 0, 0, 0, 0, 0);
1988
1989     if (!STRUT_EQUAL(strut, self->strut)) {
1990         self->strut = strut;
1991
1992         /* updating here is pointless while we're being mapped cuz we're not in
1993            the client list yet */
1994         if (self->frame)
1995             screen_update_areas();
1996     }
1997 }
1998
1999 void client_update_icons(ObClient *self)
2000 {
2001     guint num;
2002     guint32 *data;
2003     guint w, h, i, j;
2004
2005     for (i = 0; i < self->nicons; ++i)
2006         g_free(self->icons[i].data);
2007     if (self->nicons > 0)
2008         g_free(self->icons);
2009     self->nicons = 0;
2010
2011     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2012         /* figure out how many valid icons are in here */
2013         i = 0;
2014         while (num - i > 2) {
2015             w = data[i++];
2016             h = data[i++];
2017             i += w * h;
2018             if (i > num || w*h == 0) break;
2019             ++self->nicons;
2020         }
2021
2022         self->icons = g_new(ObClientIcon, self->nicons);
2023
2024         /* store the icons */
2025         i = 0;
2026         for (j = 0; j < self->nicons; ++j) {
2027             guint x, y, t;
2028
2029             w = self->icons[j].width = data[i++];
2030             h = self->icons[j].height = data[i++];
2031
2032             if (w*h == 0) continue;
2033
2034             self->icons[j].data = g_new(RrPixel32, w * h);
2035             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2036                 if (x >= w) {
2037                     x = 0;
2038                     ++y;
2039                 }
2040                 self->icons[j].data[t] =
2041                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2042                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2043                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2044                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2045             }
2046             g_assert(i <= num);
2047         }
2048
2049         g_free(data);
2050     } else {
2051         XWMHints *hints;
2052
2053         if ((hints = XGetWMHints(ob_display, self->window))) {
2054             if (hints->flags & IconPixmapHint) {
2055                 self->nicons = 1;
2056                 self->icons = g_new(ObClientIcon, self->nicons);
2057                 xerror_set_ignore(TRUE);
2058                 if (!RrPixmapToRGBA(ob_rr_inst,
2059                                     hints->icon_pixmap,
2060                                     (hints->flags & IconMaskHint ?
2061                                      hints->icon_mask : None),
2062                                     &self->icons[0].width,
2063                                     &self->icons[0].height,
2064                                     &self->icons[0].data))
2065                 {
2066                     g_free(self->icons);
2067                     self->nicons = 0;
2068                 }
2069                 xerror_set_ignore(FALSE);
2070             }
2071             XFree(hints);
2072         }
2073     }
2074
2075     /* set the default icon onto the window
2076        in theory, this could be a race, but if a window doesn't set an icon
2077        or removes it entirely, it's not very likely it is going to set one
2078        right away afterwards
2079
2080        if it has parents, then one of them will have an icon already
2081     */
2082     if (self->nicons == 0 && !self->parents) {
2083         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2084         gulong *data;
2085
2086         data = g_new(gulong, 48*48+2);
2087         data[0] = data[1] =  48;
2088         for (i = 0; i < 48*48; ++i)
2089             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2090                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2091                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2092                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2093         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2094         g_free(data);
2095     } else if (self->frame)
2096         /* don't draw the icon empty if we're just setting one now anyways,
2097            we'll get the property change any second */
2098         frame_adjust_icon(self->frame);
2099 }
2100
2101 void client_update_user_time(ObClient *self)
2102 {
2103     guint32 time;
2104     gboolean got = FALSE;
2105
2106     if (self->user_time_window)
2107         got = PROP_GET32(self->user_time_window,
2108                          net_wm_user_time, cardinal, &time);
2109     if (!got)
2110         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2111
2112     if (got) {
2113         /* we set this every time, not just when it grows, because in practice
2114            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2115            backward we don't want all windows to stop focusing. we'll just
2116            assume noone is setting times older than the last one, cuz that
2117            would be pretty stupid anyways
2118         */
2119         self->user_time = time;
2120
2121         /*ob_debug("window %s user time %u\n", self->title, time);*/
2122     }
2123 }
2124
2125 void client_update_user_time_window(ObClient *self)
2126 {
2127     guint32 w;
2128
2129     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2130         w = None;
2131
2132     if (w != self->user_time_window) {
2133         /* remove the old window */
2134         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2135         self->user_time_window = None;
2136
2137         if (self->group && self->group->leader == w) {
2138             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2139                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2140             /* do it anyways..? */
2141         }
2142         else if (w == self->window) {
2143             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2144                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2145             w = None; /* don't do it */
2146         }
2147
2148         /* add the new window */
2149         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2150         self->user_time_window = w;
2151
2152         /* and update from it */
2153         client_update_user_time(self);
2154     }
2155 }
2156
2157 void client_update_icon_geometry(ObClient *self)
2158 {
2159     guint num;
2160     guint32 *data;
2161
2162     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2163
2164     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2165         && num == 4)
2166     {
2167         /* don't let them set it with an area < 0 */
2168         RECT_SET(self->icon_geometry, data[0], data[1],
2169                  MAX(data[2],0), MAX(data[3],0));
2170     }
2171 }
2172
2173 static void client_get_session_ids(ObClient *self)
2174 {
2175     guint32 leader;
2176     gboolean got;
2177     gchar *s;
2178     gchar **ss;
2179
2180     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2181         leader = None;
2182
2183     /* get the SM_CLIENT_ID */
2184     got = FALSE;
2185     if (leader)
2186         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2187     if (!got)
2188         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2189
2190     /* get the WM_CLASS (name and class). make them "" if they are not
2191        provided */
2192     got = FALSE;
2193     if (leader)
2194         got = PROP_GETSS(leader, wm_class, locale, &ss);
2195     if (!got)
2196         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2197
2198     if (got) {
2199         if (ss[0]) {
2200             self->name = g_strdup(ss[0]);
2201             if (ss[1])
2202                 self->class = g_strdup(ss[1]);
2203         }
2204         g_strfreev(ss);
2205     }
2206
2207     if (self->name == NULL) self->name = g_strdup("");
2208     if (self->class == NULL) self->class = g_strdup("");
2209
2210     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2211     got = FALSE;
2212     if (leader)
2213         got = PROP_GETS(leader, wm_window_role, locale, &s);
2214     if (!got)
2215         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2216
2217     if (got)
2218         self->role = s;
2219     else
2220         self->role = g_strdup("");
2221
2222     /* get the WM_COMMAND */
2223     got = FALSE;
2224
2225     if (leader)
2226         got = PROP_GETSS(leader, wm_command, locale, &ss);
2227     if (!got)
2228         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2229
2230     if (got) {
2231         /* merge/mash them all together */
2232         gchar *merge = NULL;
2233         gint i;
2234
2235         for (i = 0; ss[i]; ++i) {
2236             gchar *tmp = merge;
2237             if (merge)
2238                 merge = g_strconcat(merge, ss[i], NULL);
2239             else
2240                 merge = g_strconcat(ss[i], NULL);
2241             g_free(tmp);
2242         }
2243         g_strfreev(ss);
2244
2245         self->wm_command = merge;
2246     }
2247
2248     /* get the WM_CLIENT_MACHINE */
2249     got = FALSE;
2250     if (leader)
2251         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2252     if (!got)
2253         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2254
2255     if (got) {
2256         gchar localhost[128];
2257
2258         gethostname(localhost, 127);
2259         localhost[127] = '\0';
2260         if (strcmp(localhost, s) != 0)
2261             self->client_machine = s;
2262         else
2263             g_free(s);
2264     }
2265 }
2266
2267 static void client_change_wm_state(ObClient *self)
2268 {
2269     gulong state[2];
2270     glong old;
2271
2272     old = self->wmstate;
2273
2274     if (self->shaded || self->iconic ||
2275         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2276     {
2277         self->wmstate = IconicState;
2278     } else
2279         self->wmstate = NormalState;
2280
2281     if (old != self->wmstate) {
2282         PROP_MSG(self->window, kde_wm_change_state,
2283                  self->wmstate, 1, 0, 0);
2284
2285         state[0] = self->wmstate;
2286         state[1] = None;
2287         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2288     }
2289 }
2290
2291 static void client_change_state(ObClient *self)
2292 {
2293     gulong netstate[12];
2294     guint num;
2295
2296     num = 0;
2297     if (self->modal)
2298         netstate[num++] = prop_atoms.net_wm_state_modal;
2299     if (self->shaded)
2300         netstate[num++] = prop_atoms.net_wm_state_shaded;
2301     if (self->iconic)
2302         netstate[num++] = prop_atoms.net_wm_state_hidden;
2303     if (self->skip_taskbar)
2304         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2305     if (self->skip_pager)
2306         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2307     if (self->fullscreen)
2308         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2309     if (self->max_vert)
2310         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2311     if (self->max_horz)
2312         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2313     if (self->above)
2314         netstate[num++] = prop_atoms.net_wm_state_above;
2315     if (self->below)
2316         netstate[num++] = prop_atoms.net_wm_state_below;
2317     if (self->demands_attention)
2318         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2319     if (self->undecorated)
2320         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2321     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2322
2323     if (self->frame)
2324         frame_adjust_state(self->frame);
2325 }
2326
2327 ObClient *client_search_focus_tree(ObClient *self)
2328 {
2329     GSList *it;
2330     ObClient *ret;
2331
2332     for (it = self->transients; it; it = g_slist_next(it)) {
2333         if (client_focused(it->data)) return it->data;
2334         if ((ret = client_search_focus_tree(it->data))) return ret;
2335     }
2336     return NULL;
2337 }
2338
2339 ObClient *client_search_focus_tree_full(ObClient *self)
2340 {
2341     if (self->parents) {
2342         GSList *it;
2343
2344         for (it = self->parents; it; it = g_slist_next(it)) {
2345             ObClient *c = it->data;
2346             if ((c = client_search_focus_tree_full(it->data))) return c;
2347         }
2348
2349         return NULL;
2350     }
2351     else {
2352         /* this function checks the whole tree, the client_search_focus_tree
2353            does not, so we need to check this window */
2354         if (client_focused(self))
2355             return self;
2356         return client_search_focus_tree(self);
2357     }
2358 }
2359
2360 ObClient *client_search_focus_group_full(ObClient *self)
2361 {
2362     GSList *it;
2363
2364     if (self->group) {
2365         for (it = self->group->members; it; it = g_slist_next(it)) {
2366             ObClient *c = it->data;
2367
2368             if (client_focused(c)) return c;
2369             if ((c = client_search_focus_tree(it->data))) return c;
2370         }
2371     } else
2372         if (client_focused(self)) return self;
2373     return NULL;
2374 }
2375
2376 gboolean client_has_parent(ObClient *self)
2377 {
2378     return self->parents != NULL;
2379 }
2380
2381 static ObStackingLayer calc_layer(ObClient *self)
2382 {
2383     ObStackingLayer l;
2384     Rect *monitor;
2385
2386     monitor = screen_physical_area_monitor(client_monitor(self));
2387
2388     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2389         l = OB_STACKING_LAYER_DESKTOP;
2390     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2391         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2392         else l = OB_STACKING_LAYER_ABOVE;
2393     }
2394     else if ((self->fullscreen ||
2395               /* No decorations and fills the monitor = oldskool fullscreen.
2396                  But not for maximized windows.
2397               */
2398               (self->decorations == 0 &&
2399                !(self->max_horz && self->max_vert) &&
2400                RECT_EQUAL(self->area, *monitor))) &&
2401              (client_focused(self) || client_search_focus_tree(self)))
2402         l = OB_STACKING_LAYER_FULLSCREEN;
2403     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2404     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2405     else l = OB_STACKING_LAYER_NORMAL;
2406
2407     g_free(monitor);
2408
2409     return l;
2410 }
2411
2412 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2413                                         ObStackingLayer min)
2414 {
2415     ObStackingLayer old, own;
2416     GSList *it;
2417
2418     old = self->layer;
2419     own = calc_layer(self);
2420     self->layer = MAX(own, min);
2421
2422     if (self->layer != old) {
2423         stacking_remove(CLIENT_AS_WINDOW(self));
2424         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2425     }
2426
2427     for (it = self->transients; it; it = g_slist_next(it))
2428         client_calc_layer_recursive(it->data, orig,
2429                                     self->layer);
2430 }
2431
2432 void client_calc_layer(ObClient *self)
2433 {
2434     ObClient *orig;
2435     GSList *it;
2436
2437     orig = self;
2438
2439     /* transients take on the layer of their parents */
2440     it = client_search_all_top_parents(self);
2441
2442     for (; it; it = g_slist_next(it))
2443         client_calc_layer_recursive(it->data, orig, 0);
2444 }
2445
2446 gboolean client_should_show(ObClient *self)
2447 {
2448     if (self->iconic)
2449         return FALSE;
2450     if (client_normal(self) && screen_showing_desktop)
2451         return FALSE;
2452     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2453         return TRUE;
2454
2455     return FALSE;
2456 }
2457
2458 gboolean client_show(ObClient *self)
2459 {
2460     gboolean show = FALSE;
2461
2462     if (client_should_show(self)) {
2463         frame_show(self->frame);
2464         show = TRUE;
2465
2466         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2467            it needs to be in IconicState. This includes when it is on another
2468            desktop!
2469         */
2470         client_change_wm_state(self);
2471     }
2472     return show;
2473 }
2474
2475 gboolean client_hide(ObClient *self)
2476 {
2477     gboolean hide = FALSE;
2478
2479     if (!client_should_show(self)) {
2480         if (self == focus_client) {
2481             /* if there is a grab going on, then we need to cancel it. if we
2482                move focus during the grab, applications will get
2483                NotifyWhileGrabbed events and ignore them !
2484
2485                actions should not rely on being able to move focus during an
2486                interactive grab.
2487             */
2488             event_cancel_all_key_grabs();
2489         }
2490
2491         /* We don't need to ignore enter events here.
2492            The window can hide/iconify in 3 different ways:
2493            1 - through an x message. in this case we ignore all enter events
2494                caused by responding to the x message (unless underMouse)
2495            2 - by a keyboard action. in this case we ignore all enter events
2496                caused by the action
2497            3 - by a mouse action. in this case they are doing stuff with the
2498                mouse and focus _should_ move.
2499
2500            Also in action_end, we simulate an enter event that can't be ignored
2501            so trying to ignore them is futile in case 3 anyways
2502         */
2503
2504         frame_hide(self->frame);
2505         hide = TRUE;
2506
2507         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2508            it needs to be in IconicState. This includes when it is on another
2509            desktop!
2510         */
2511         client_change_wm_state(self);
2512     }
2513     return hide;
2514 }
2515
2516 void client_showhide(ObClient *self)
2517 {
2518     if (!client_show(self))
2519         client_hide(self);
2520 }
2521
2522 gboolean client_normal(ObClient *self) {
2523     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2524               self->type == OB_CLIENT_TYPE_DOCK ||
2525               self->type == OB_CLIENT_TYPE_SPLASH);
2526 }
2527
2528 gboolean client_helper(ObClient *self)
2529 {
2530     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2531             self->type == OB_CLIENT_TYPE_MENU ||
2532             self->type == OB_CLIENT_TYPE_TOOLBAR);
2533 }
2534
2535 gboolean client_mouse_focusable(ObClient *self)
2536 {
2537     return !(self->type == OB_CLIENT_TYPE_MENU ||
2538              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2539              self->type == OB_CLIENT_TYPE_SPLASH ||
2540              self->type == OB_CLIENT_TYPE_DOCK);
2541 }
2542
2543 gboolean client_enter_focusable(ObClient *self)
2544 {
2545     /* you can focus desktops but it shouldn't on enter */
2546     return (client_mouse_focusable(self) &&
2547             self->type != OB_CLIENT_TYPE_DESKTOP);
2548 }
2549
2550
2551 static void client_apply_startup_state(ObClient *self,
2552                                        gint x, gint y, gint w, gint h)
2553 {
2554     /* save the states that we are going to apply */
2555     gboolean iconic = self->iconic;
2556     gboolean fullscreen = self->fullscreen;
2557     gboolean undecorated = self->undecorated;
2558     gboolean shaded = self->shaded;
2559     gboolean demands_attention = self->demands_attention;
2560     gboolean max_horz = self->max_horz;
2561     gboolean max_vert = self->max_vert;
2562     Rect oldarea;
2563     gint l;
2564
2565     /* turn them all off in the client, so they won't affect the window
2566        being placed */
2567     self->iconic = self->fullscreen = self->undecorated = self->shaded =
2568         self->demands_attention = self->max_horz = self->max_vert = FALSE;
2569
2570     /* move the client to its placed position, or it it's already there,
2571        generate a ConfigureNotify telling the client where it is.
2572
2573        do this after adjusting the frame. otherwise it gets all weird and
2574        clients don't work right
2575
2576        do this before applying the states so they have the correct
2577        pre-max/pre-fullscreen values
2578     */
2579     client_try_configure(self, &x, &y, &w, &h, &l, &l, FALSE);
2580     ob_debug("placed window 0x%x at %d, %d with size %d x %d\n",
2581              self->window, x, y, w, h);
2582     /* save the area, and make it where it should be for the premax stuff */
2583     oldarea = self->area;
2584     RECT_SET(self->area, x, y, w, h);
2585
2586     /* apply the states. these are in a carefully crafted order.. */
2587
2588     if (iconic)
2589         client_iconify(self, TRUE, FALSE, TRUE);
2590     if (fullscreen)
2591         client_fullscreen(self, TRUE);
2592     if (undecorated)
2593         client_set_undecorated(self, TRUE);
2594     if (shaded)
2595         client_shade(self, TRUE);
2596     if (demands_attention)
2597         client_hilite(self, TRUE);
2598
2599     if (max_vert && max_horz)
2600         client_maximize(self, TRUE, 0);
2601     else if (max_vert)
2602         client_maximize(self, TRUE, 2);
2603     else if (max_horz)
2604         client_maximize(self, TRUE, 1);
2605
2606     /* if the window hasn't been configured yet, then do so now, in fact the
2607        x,y,w,h may _not_ be the same as the area rect, which can end up
2608        meaning that the client isn't properly moved/resized by the fullscreen
2609        function
2610        pho can cause this because it maps at size of the screen but not 0,0
2611        so openbox moves it on screen to 0,0 (thus x,y=0,0 and area.x,y don't).
2612        then fullscreen'ing makes it go to 0,0 which it thinks it already is at
2613        cuz thats where the pre-fullscreen will be. however the actual area is
2614        not, so this needs to be called even if we have fullscreened/maxed
2615     */
2616     self->area = oldarea;
2617     client_configure(self, x, y, w, h, FALSE, TRUE, FALSE);
2618
2619     /* set the desktop hint, to make sure that it always exists */
2620     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2621
2622     /* nothing to do for the other states:
2623        skip_taskbar
2624        skip_pager
2625        modal
2626        above
2627        below
2628     */
2629 }
2630
2631 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2632 {
2633     /* these should be the current values. this is for when you're not moving,
2634        just resizing */
2635     g_assert(*x == self->area.x);
2636     g_assert(oldw == self->area.width);
2637
2638     /* horizontal */
2639     switch (self->gravity) {
2640     default:
2641     case NorthWestGravity:
2642     case WestGravity:
2643     case SouthWestGravity:
2644     case StaticGravity:
2645     case ForgetGravity:
2646         break;
2647     case NorthGravity:
2648     case CenterGravity:
2649     case SouthGravity:
2650         *x -= (neww - oldw) / 2;
2651         break;
2652     case NorthEastGravity:
2653     case EastGravity:
2654     case SouthEastGravity:
2655         *x -= neww - oldw;
2656         break;
2657     }
2658 }
2659
2660 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2661 {
2662     /* these should be the current values. this is for when you're not moving,
2663        just resizing */
2664     g_assert(*y == self->area.y);
2665     g_assert(oldh == self->area.height);
2666
2667     /* vertical */
2668     switch (self->gravity) {
2669     default:
2670     case NorthWestGravity:
2671     case NorthGravity:
2672     case NorthEastGravity:
2673     case StaticGravity:
2674     case ForgetGravity:
2675         break;
2676     case WestGravity:
2677     case CenterGravity:
2678     case EastGravity:
2679         *y -= (newh - oldh) / 2;
2680         break;
2681     case SouthWestGravity:
2682     case SouthGravity:
2683     case SouthEastGravity:
2684         *y -= newh - oldh;
2685         break;
2686     }
2687 }
2688
2689 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2690                           gint *logicalw, gint *logicalh,
2691                           gboolean user)
2692 {
2693     Rect desired = {*x, *y, *w, *h};
2694     frame_rect_to_frame(self->frame, &desired);
2695
2696     /* make the frame recalculate its dimentions n shit without changing
2697        anything visible for real, this way the constraints below can work with
2698        the updated frame dimensions. */
2699     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2700
2701     /* gets the frame's position */
2702     frame_client_gravity(self->frame, x, y);
2703
2704     /* these positions are frame positions, not client positions */
2705
2706     /* set the size and position if fullscreen */
2707     if (self->fullscreen) {
2708         Rect *a;
2709         guint i;
2710
2711         i = screen_find_monitor(&desired);
2712         a = screen_physical_area_monitor(i);
2713
2714         *x = a->x;
2715         *y = a->y;
2716         *w = a->width;
2717         *h = a->height;
2718
2719         user = FALSE; /* ignore if the client can't be moved/resized when it
2720                          is fullscreening */
2721
2722         g_free(a);
2723     } else if (self->max_horz || self->max_vert) {
2724         Rect *a;
2725         guint i;
2726
2727         /* use all possible struts when maximizing to the full screen */
2728         i = screen_find_monitor(&desired);
2729         a = screen_area(self->desktop, i,
2730                         (self->max_horz && self->max_vert ? NULL : &desired));
2731
2732         /* set the size and position if maximized */
2733         if (self->max_horz) {
2734             *x = a->x;
2735             *w = a->width - self->frame->size.left - self->frame->size.right;
2736         }
2737         if (self->max_vert) {
2738             *y = a->y;
2739             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2740         }
2741
2742         user = FALSE; /* ignore if the client can't be moved/resized when it
2743                          is maximizing */
2744
2745         g_free(a);
2746     }
2747
2748     /* gets the client's position */
2749     frame_frame_gravity(self->frame, x, y);
2750
2751     /* work within the prefered sizes given by the window */
2752     if (!(*w == self->area.width && *h == self->area.height)) {
2753         gint basew, baseh, minw, minh;
2754         gint incw, inch;
2755         gfloat minratio, maxratio;
2756
2757         incw = self->fullscreen || self->max_horz ? 1 : self->size_inc.width;
2758         inch = self->fullscreen || self->max_vert ? 1 : self->size_inc.height;
2759         minratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2760             0 : self->min_ratio;
2761         maxratio = self->fullscreen || (self->max_horz && self->max_vert) ?
2762             0 : self->max_ratio;
2763
2764         /* base size is substituted with min size if not specified */
2765         if (self->base_size.width || self->base_size.height) {
2766             basew = self->base_size.width;
2767             baseh = self->base_size.height;
2768         } else {
2769             basew = self->min_size.width;
2770             baseh = self->min_size.height;
2771         }
2772         /* min size is substituted with base size if not specified */
2773         if (self->min_size.width || self->min_size.height) {
2774             minw = self->min_size.width;
2775             minh = self->min_size.height;
2776         } else {
2777             minw = self->base_size.width;
2778             minh = self->base_size.height;
2779         }
2780
2781         /* if this is a user-requested resize, then check against min/max
2782            sizes */
2783
2784         /* smaller than min size or bigger than max size? */
2785         if (*w > self->max_size.width) *w = self->max_size.width;
2786         if (*w < minw) *w = minw;
2787         if (*h > self->max_size.height) *h = self->max_size.height;
2788         if (*h < minh) *h = minh;
2789
2790         *w -= basew;
2791         *h -= baseh;
2792
2793         /* keep to the increments */
2794         *w /= incw;
2795         *h /= inch;
2796
2797         /* you cannot resize to nothing */
2798         if (basew + *w < 1) *w = 1 - basew;
2799         if (baseh + *h < 1) *h = 1 - baseh;
2800
2801         /* save the logical size */
2802         *logicalw = incw > 1 ? *w : *w + basew;
2803         *logicalh = inch > 1 ? *h : *h + baseh;
2804
2805         *w *= incw;
2806         *h *= inch;
2807
2808         *w += basew;
2809         *h += baseh;
2810
2811         /* adjust the height to match the width for the aspect ratios.
2812            for this, min size is not substituted for base size ever. */
2813         *w -= self->base_size.width;
2814         *h -= self->base_size.height;
2815
2816         if (minratio)
2817             if (*h * minratio > *w) {
2818                 *h = (gint)(*w / minratio);
2819
2820                 /* you cannot resize to nothing */
2821                 if (*h < 1) {
2822                     *h = 1;
2823                     *w = (gint)(*h * minratio);
2824                 }
2825             }
2826         if (maxratio)
2827             if (*h * maxratio < *w) {
2828                 *h = (gint)(*w / maxratio);
2829
2830                 /* you cannot resize to nothing */
2831                 if (*h < 1) {
2832                     *h = 1;
2833                     *w = (gint)(*h * minratio);
2834                 }
2835             }
2836
2837         *w += self->base_size.width;
2838         *h += self->base_size.height;
2839     }
2840
2841     /* these override the above states! if you cant move you can't move! */
2842     if (user) {
2843         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2844             *x = self->area.x;
2845             *y = self->area.y;
2846         }
2847         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2848             *w = self->area.width;
2849             *h = self->area.height;
2850         }
2851     }
2852
2853     g_assert(*w > 0);
2854     g_assert(*h > 0);
2855 }
2856
2857
2858 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2859                       gboolean user, gboolean final, gboolean force_reply)
2860 {
2861     gint oldw, oldh;
2862     gboolean send_resize_client;
2863     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2864     gboolean fmoved, fresized;
2865     guint fdecor = self->frame->decorations;
2866     gboolean fhorz = self->frame->max_horz;
2867     gboolean fvert = self->frame->max_vert;
2868     gint logicalw, logicalh;
2869
2870     /* find the new x, y, width, and height (and logical size) */
2871     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2872
2873     /* set the logical size if things changed */
2874     if (!(w == self->area.width && h == self->area.height))
2875         SIZE_SET(self->logical_size, logicalw, logicalh);
2876
2877     /* figure out if we moved or resized or what */
2878     moved = (x != self->area.x || y != self->area.y);
2879     resized = (w != self->area.width || h != self->area.height);
2880
2881     oldw = self->area.width;
2882     oldh = self->area.height;
2883     RECT_SET(self->area, x, y, w, h);
2884
2885     /* for app-requested resizes, always resize if 'resized' is true.
2886        for user-requested ones, only resize if final is true, or when
2887        resizing in redraw mode */
2888     send_resize_client = ((!user && resized) ||
2889                           (user && (final ||
2890                                     (resized && config_resize_redraw))));
2891
2892     /* if the client is enlarging, then resize the client before the frame */
2893     if (send_resize_client && (w > oldw || h > oldh)) {
2894         XMoveResizeWindow(ob_display, self->window,
2895                           self->frame->size.left, self->frame->size.top,
2896                           MAX(w, oldw), MAX(h, oldh));
2897         frame_adjust_client_area(self->frame);
2898     }
2899
2900     /* find the frame's dimensions and move/resize it */
2901     fmoved = moved;
2902     fresized = resized;
2903
2904     /* if decorations changed, then readjust everything for the frame */
2905     if (self->decorations != fdecor ||
2906         self->max_horz != fhorz || self->max_vert != fvert)
2907     {
2908         fmoved = fresized = TRUE;
2909     }
2910
2911     /* adjust the frame */
2912     if (fmoved || fresized) {
2913         gulong ignore_start;
2914         if (!user)
2915             ignore_start = event_start_ignore_all_enters();
2916
2917         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2918
2919         if (!user)
2920             event_end_ignore_all_enters(ignore_start);
2921     }
2922
2923     if (!user || final) {
2924         gint oldrx = self->root_pos.x;
2925         gint oldry = self->root_pos.y;
2926         /* we have reset the client to 0 border width, so don't include
2927            it in these coords */
2928         POINT_SET(self->root_pos,
2929                   self->frame->area.x + self->frame->size.left -
2930                   self->border_width,
2931                   self->frame->area.y + self->frame->size.top -
2932                   self->border_width);
2933         if (self->root_pos.x != oldrx || self->root_pos.y != oldry)
2934             rootmoved = TRUE;
2935     }
2936
2937     /* This is kinda tricky and should not be changed.. let me explain!
2938
2939        When user = FALSE, then the request is coming from the application
2940        itself, and we are more strict about when to send a synthetic
2941        ConfigureNotify.  We strictly follow the rules of the ICCCM sec 4.1.5
2942        in this case (if force_reply is true)
2943
2944        When user = TRUE, then the request is coming from "us", like when we
2945        maximize a window or something.  In this case we are more lenient.  We
2946        used to follow the same rules as above, but _Java_ Swing can't handle
2947        this. So just to appease Swing, when user = TRUE, we always send
2948        a synthetic ConfigureNotify to give the window its root coordinates.
2949     */
2950     if ((!user && !resized && (rootmoved || force_reply)) ||
2951         (user && final && rootmoved))
2952     {
2953         XEvent event;
2954
2955         event.type = ConfigureNotify;
2956         event.xconfigure.display = ob_display;
2957         event.xconfigure.event = self->window;
2958         event.xconfigure.window = self->window;
2959
2960         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2961                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2962
2963         /* root window real coords */
2964         event.xconfigure.x = self->root_pos.x;
2965         event.xconfigure.y = self->root_pos.y;
2966         event.xconfigure.width = w;
2967         event.xconfigure.height = h;
2968         event.xconfigure.border_width = self->border_width;
2969         event.xconfigure.above = None;
2970         event.xconfigure.override_redirect = FALSE;
2971         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2972                    FALSE, StructureNotifyMask, &event);
2973     }
2974
2975     /* if the client is shrinking, then resize the frame before the client.
2976
2977        both of these resize sections may run, because the top one only resizes
2978        in the direction that is growing
2979      */
2980     if (send_resize_client && (w <= oldw || h <= oldh)) {
2981         frame_adjust_client_area(self->frame);
2982         XMoveResizeWindow(ob_display, self->window,
2983                           self->frame->size.left, self->frame->size.top, w, h);
2984     }
2985
2986     XFlush(ob_display);
2987 }
2988
2989 void client_fullscreen(ObClient *self, gboolean fs)
2990 {
2991     gint x, y, w, h;
2992
2993     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2994         self->fullscreen == fs) return;                   /* already done */
2995
2996     self->fullscreen = fs;
2997     client_change_state(self); /* change the state hints on the client */
2998
2999     if (fs) {
3000         self->pre_fullscreen_area = self->area;
3001         /* if the window is maximized, its area isn't all that meaningful.
3002            save it's premax area instead. */
3003         if (self->max_horz) {
3004             self->pre_fullscreen_area.x = self->pre_max_area.x;
3005             self->pre_fullscreen_area.width = self->pre_max_area.width;
3006         }
3007         if (self->max_vert) {
3008             self->pre_fullscreen_area.y = self->pre_max_area.y;
3009             self->pre_fullscreen_area.height = self->pre_max_area.height;
3010         }
3011
3012         /* these will help configure_full figure out where to fullscreen
3013            the window */
3014         x = self->area.x;
3015         y = self->area.y;
3016         w = self->area.width;
3017         h = self->area.height;
3018     } else {
3019         g_assert(self->pre_fullscreen_area.width > 0 &&
3020                  self->pre_fullscreen_area.height > 0);
3021
3022         x = self->pre_fullscreen_area.x;
3023         y = self->pre_fullscreen_area.y;
3024         w = self->pre_fullscreen_area.width;
3025         h = self->pre_fullscreen_area.height;
3026         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
3027     }
3028
3029     ob_debug("Window %s going fullscreen (%d)\n",
3030              self->title, self->fullscreen);
3031
3032     client_setup_decor_and_functions(self, FALSE);
3033     client_move_resize(self, x, y, w, h);
3034
3035     /* and adjust our layer/stacking. do this after resizing the window,
3036        and applying decorations, because windows which fill the screen are
3037        considered "fullscreen" and it affects their layer */
3038     client_calc_layer(self);
3039
3040     if (fs) {
3041         /* try focus us when we go into fullscreen mode */
3042         client_focus(self);
3043     }
3044 }
3045
3046 static void client_iconify_recursive(ObClient *self,
3047                                      gboolean iconic, gboolean curdesk,
3048                                      gboolean hide_animation)
3049 {
3050     GSList *it;
3051     gboolean changed = FALSE;
3052
3053
3054     if (self->iconic != iconic) {
3055         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
3056                  self->window);
3057
3058         if (iconic) {
3059             /* don't let non-normal windows iconify along with their parents
3060                or whatever */
3061             if (client_normal(self)) {
3062                 self->iconic = iconic;
3063
3064                 /* update the focus lists.. iconic windows go to the bottom of
3065                    the list */
3066                 focus_order_to_bottom(self);
3067
3068                 changed = TRUE;
3069             }
3070         } else {
3071             self->iconic = iconic;
3072
3073             if (curdesk && self->desktop != screen_desktop &&
3074                 self->desktop != DESKTOP_ALL)
3075                 client_set_desktop(self, screen_desktop, FALSE, FALSE);
3076
3077             /* this puts it after the current focused window */
3078             focus_order_remove(self);
3079             focus_order_add_new(self);
3080
3081             changed = TRUE;
3082         }
3083     }
3084
3085     if (changed) {
3086         client_change_state(self);
3087         if (config_animate_iconify && !hide_animation)
3088             frame_begin_iconify_animation(self->frame, iconic);
3089         /* do this after starting the animation so it doesn't flash */
3090         client_showhide(self);
3091     }
3092
3093     /* iconify all direct transients, and deiconify all transients
3094        (non-direct too) */
3095     for (it = self->transients; it; it = g_slist_next(it))
3096         if (it->data != self)
3097             if (client_is_direct_child(self, it->data) || !iconic)
3098                 client_iconify_recursive(it->data, iconic, curdesk,
3099                                          hide_animation);
3100 }
3101
3102 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
3103                     gboolean hide_animation)
3104 {
3105     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
3106         /* move up the transient chain as far as possible first */
3107         self = client_search_top_direct_parent(self);
3108         client_iconify_recursive(self, iconic, curdesk, hide_animation);
3109     }
3110 }
3111
3112 void client_maximize(ObClient *self, gboolean max, gint dir)
3113 {
3114     gint x, y, w, h;
3115
3116     g_assert(dir == 0 || dir == 1 || dir == 2);
3117     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3118
3119     /* check if already done */
3120     if (max) {
3121         if (dir == 0 && self->max_horz && self->max_vert) return;
3122         if (dir == 1 && self->max_horz) return;
3123         if (dir == 2 && self->max_vert) return;
3124     } else {
3125         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3126         if (dir == 1 && !self->max_horz) return;
3127         if (dir == 2 && !self->max_vert) return;
3128     }
3129
3130     /* these will help configure_full figure out which screen to fill with
3131        the window */
3132     x = self->area.x;
3133     y = self->area.y;
3134     w = self->area.width;
3135     h = self->area.height;
3136
3137     if (max) {
3138         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3139             RECT_SET(self->pre_max_area,
3140                      self->area.x, self->pre_max_area.y,
3141                      self->area.width, self->pre_max_area.height);
3142         }
3143         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3144             RECT_SET(self->pre_max_area,
3145                      self->pre_max_area.x, self->area.y,
3146                      self->pre_max_area.width, self->area.height);
3147         }
3148     } else {
3149         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3150             g_assert(self->pre_max_area.width > 0);
3151
3152             x = self->pre_max_area.x;
3153             w = self->pre_max_area.width;
3154
3155             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3156                      0, self->pre_max_area.height);
3157         }
3158         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3159             g_assert(self->pre_max_area.height > 0);
3160
3161             y = self->pre_max_area.y;
3162             h = self->pre_max_area.height;
3163
3164             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3165                      self->pre_max_area.width, 0);
3166         }
3167     }
3168
3169     if (dir == 0 || dir == 1) /* horz */
3170         self->max_horz = max;
3171     if (dir == 0 || dir == 2) /* vert */
3172         self->max_vert = max;
3173
3174     client_change_state(self); /* change the state hints on the client */
3175
3176     client_setup_decor_and_functions(self, FALSE);
3177     client_move_resize(self, x, y, w, h);
3178 }
3179
3180 void client_shade(ObClient *self, gboolean shade)
3181 {
3182     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3183          shade) ||                         /* can't shade */
3184         self->shaded == shade) return;     /* already done */
3185
3186     self->shaded = shade;
3187     client_change_state(self);
3188     client_change_wm_state(self); /* the window is being hidden/shown */
3189     /* resize the frame to just the titlebar */
3190     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
3191 }
3192
3193 void client_close(ObClient *self)
3194 {
3195     XEvent ce;
3196
3197     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3198
3199     /* in the case that the client provides no means to requesting that it
3200        close, we just kill it */
3201     if (!self->delete_window)
3202         client_kill(self);
3203
3204     /*
3205       XXX: itd be cool to do timeouts and shit here for killing the client's
3206       process off
3207       like... if the window is around after 5 seconds, then the close button
3208       turns a nice red, and if this function is called again, the client is
3209       explicitly killed.
3210     */
3211
3212     ce.xclient.type = ClientMessage;
3213     ce.xclient.message_type =  prop_atoms.wm_protocols;
3214     ce.xclient.display = ob_display;
3215     ce.xclient.window = self->window;
3216     ce.xclient.format = 32;
3217     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3218     ce.xclient.data.l[1] = event_curtime;
3219     ce.xclient.data.l[2] = 0l;
3220     ce.xclient.data.l[3] = 0l;
3221     ce.xclient.data.l[4] = 0l;
3222     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3223 }
3224
3225 void client_kill(ObClient *self)
3226 {
3227     XKillClient(ob_display, self->window);
3228 }
3229
3230 void client_hilite(ObClient *self, gboolean hilite)
3231 {
3232     if (self->demands_attention == hilite)
3233         return; /* no change */
3234
3235     /* don't allow focused windows to hilite */
3236     self->demands_attention = hilite && !client_focused(self);
3237     if (self->frame != NULL) { /* if we're mapping, just set the state */
3238         if (self->demands_attention)
3239             frame_flash_start(self->frame);
3240         else
3241             frame_flash_stop(self->frame);
3242         client_change_state(self);
3243     }
3244 }
3245
3246 void client_set_desktop_recursive(ObClient *self,
3247                                   guint target,
3248                                   gboolean donthide,
3249                                   gboolean dontraise)
3250 {
3251     guint old;
3252     GSList *it;
3253
3254     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3255
3256         ob_debug("Setting desktop %u\n", target+1);
3257
3258         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3259
3260         old = self->desktop;
3261         self->desktop = target;
3262         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3263         /* the frame can display the current desktop state */
3264         frame_adjust_state(self->frame);
3265         /* 'move' the window to the new desktop */
3266         if (!donthide)
3267             client_hide(self);
3268         client_show(self);
3269         /* raise if it was not already on the desktop */
3270         if (old != DESKTOP_ALL && !dontraise)
3271             stacking_raise(CLIENT_AS_WINDOW(self));
3272         if (STRUT_EXISTS(self->strut))
3273             screen_update_areas();
3274         else
3275             /* the new desktop's geometry may be different, so we may need to
3276                resize, for example if we are maximized */
3277             client_reconfigure(self, FALSE);
3278     }
3279
3280     /* move all transients */
3281     for (it = self->transients; it; it = g_slist_next(it))
3282         if (it->data != self)
3283             if (client_is_direct_child(self, it->data))
3284                 client_set_desktop_recursive(it->data, target,
3285                                              donthide, dontraise);
3286 }
3287
3288 void client_set_desktop(ObClient *self, guint target,
3289                         gboolean donthide, gboolean dontraise)
3290 {
3291     self = client_search_top_direct_parent(self);
3292     client_set_desktop_recursive(self, target, donthide, dontraise);
3293 }
3294
3295 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3296 {
3297     while (child != parent && (child = client_direct_parent(child)));
3298     return child == parent;
3299 }
3300
3301 ObClient *client_search_modal_child(ObClient *self)
3302 {
3303     GSList *it;
3304     ObClient *ret;
3305
3306     for (it = self->transients; it; it = g_slist_next(it)) {
3307         ObClient *c = it->data;
3308         if ((ret = client_search_modal_child(c))) return ret;
3309         if (c->modal) return c;
3310     }
3311     return NULL;
3312 }
3313
3314 gboolean client_validate(ObClient *self)
3315 {
3316     XEvent e;
3317
3318     XSync(ob_display, FALSE); /* get all events on the server */
3319
3320     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3321         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3322         XPutBackEvent(ob_display, &e);
3323         return FALSE;
3324     }
3325
3326     return TRUE;
3327 }
3328
3329 void client_set_wm_state(ObClient *self, glong state)
3330 {
3331     if (state == self->wmstate) return; /* no change */
3332
3333     switch (state) {
3334     case IconicState:
3335         client_iconify(self, TRUE, TRUE, FALSE);
3336         break;
3337     case NormalState:
3338         client_iconify(self, FALSE, TRUE, FALSE);
3339         break;
3340     }
3341 }
3342
3343 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3344 {
3345     gboolean shaded = self->shaded;
3346     gboolean fullscreen = self->fullscreen;
3347     gboolean undecorated = self->undecorated;
3348     gboolean max_horz = self->max_horz;
3349     gboolean max_vert = self->max_vert;
3350     gboolean modal = self->modal;
3351     gboolean iconic = self->iconic;
3352     gboolean demands_attention = self->demands_attention;
3353     gboolean above = self->above;
3354     gboolean below = self->below;
3355     gint i;
3356
3357     if (!(action == prop_atoms.net_wm_state_add ||
3358           action == prop_atoms.net_wm_state_remove ||
3359           action == prop_atoms.net_wm_state_toggle))
3360         /* an invalid action was passed to the client message, ignore it */
3361         return;
3362
3363     for (i = 0; i < 2; ++i) {
3364         Atom state = i == 0 ? data1 : data2;
3365
3366         if (!state) continue;
3367
3368         /* if toggling, then pick whether we're adding or removing */
3369         if (action == prop_atoms.net_wm_state_toggle) {
3370             if (state == prop_atoms.net_wm_state_modal)
3371                 action = modal ? prop_atoms.net_wm_state_remove :
3372                     prop_atoms.net_wm_state_add;
3373             else if (state == prop_atoms.net_wm_state_maximized_vert)
3374                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3375                     prop_atoms.net_wm_state_add;
3376             else if (state == prop_atoms.net_wm_state_maximized_horz)
3377                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3378                     prop_atoms.net_wm_state_add;
3379             else if (state == prop_atoms.net_wm_state_shaded)
3380                 action = shaded ? prop_atoms.net_wm_state_remove :
3381                     prop_atoms.net_wm_state_add;
3382             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3383                 action = self->skip_taskbar ?
3384                     prop_atoms.net_wm_state_remove :
3385                     prop_atoms.net_wm_state_add;
3386             else if (state == prop_atoms.net_wm_state_skip_pager)
3387                 action = self->skip_pager ?
3388                     prop_atoms.net_wm_state_remove :
3389                     prop_atoms.net_wm_state_add;
3390             else if (state == prop_atoms.net_wm_state_hidden)
3391                 action = self->iconic ?
3392                     prop_atoms.net_wm_state_remove :
3393                     prop_atoms.net_wm_state_add;
3394             else if (state == prop_atoms.net_wm_state_fullscreen)
3395                 action = fullscreen ?
3396                     prop_atoms.net_wm_state_remove :
3397                     prop_atoms.net_wm_state_add;
3398             else if (state == prop_atoms.net_wm_state_above)
3399                 action = self->above ? prop_atoms.net_wm_state_remove :
3400                     prop_atoms.net_wm_state_add;
3401             else if (state == prop_atoms.net_wm_state_below)
3402                 action = self->below ? prop_atoms.net_wm_state_remove :
3403                     prop_atoms.net_wm_state_add;
3404             else if (state == prop_atoms.net_wm_state_demands_attention)
3405                 action = self->demands_attention ?
3406                     prop_atoms.net_wm_state_remove :
3407                     prop_atoms.net_wm_state_add;
3408             else if (state == prop_atoms.ob_wm_state_undecorated)
3409                 action = undecorated ? prop_atoms.net_wm_state_remove :
3410                     prop_atoms.net_wm_state_add;
3411         }
3412
3413         if (action == prop_atoms.net_wm_state_add) {
3414             if (state == prop_atoms.net_wm_state_modal) {
3415                 modal = TRUE;
3416             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3417                 max_vert = TRUE;
3418             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3419                 max_horz = TRUE;
3420             } else if (state == prop_atoms.net_wm_state_shaded) {
3421                 shaded = TRUE;
3422             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3423                 self->skip_taskbar = TRUE;
3424             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3425                 self->skip_pager = TRUE;
3426             } else if (state == prop_atoms.net_wm_state_hidden) {
3427                 iconic = TRUE;
3428             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3429                 fullscreen = TRUE;
3430             } else if (state == prop_atoms.net_wm_state_above) {
3431                 above = TRUE;
3432                 below = FALSE;
3433             } else if (state == prop_atoms.net_wm_state_below) {
3434                 above = FALSE;
3435                 below = TRUE;
3436             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3437                 demands_attention = TRUE;
3438             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3439                 undecorated = TRUE;
3440             }
3441
3442         } else { /* action == prop_atoms.net_wm_state_remove */
3443             if (state == prop_atoms.net_wm_state_modal) {
3444                 modal = FALSE;
3445             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3446                 max_vert = FALSE;
3447             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3448                 max_horz = FALSE;
3449             } else if (state == prop_atoms.net_wm_state_shaded) {
3450                 shaded = FALSE;
3451             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3452                 self->skip_taskbar = FALSE;
3453             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3454                 self->skip_pager = FALSE;
3455             } else if (state == prop_atoms.net_wm_state_hidden) {
3456                 iconic = FALSE;
3457             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3458                 fullscreen = FALSE;
3459             } else if (state == prop_atoms.net_wm_state_above) {
3460                 above = FALSE;
3461             } else if (state == prop_atoms.net_wm_state_below) {
3462                 below = FALSE;
3463             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3464                 demands_attention = FALSE;
3465             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3466                 undecorated = FALSE;
3467             }
3468         }
3469     }
3470
3471     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3472         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3473             /* toggling both */
3474             if (max_horz == max_vert) { /* both going the same way */
3475                 client_maximize(self, max_horz, 0);
3476             } else {
3477                 client_maximize(self, max_horz, 1);
3478                 client_maximize(self, max_vert, 2);
3479             }
3480         } else {
3481             /* toggling one */
3482             if (max_horz != self->max_horz)
3483                 client_maximize(self, max_horz, 1);
3484             else
3485                 client_maximize(self, max_vert, 2);
3486         }
3487     }
3488     /* change fullscreen state before shading, as it will affect if the window
3489        can shade or not */
3490     if (fullscreen != self->fullscreen)
3491         client_fullscreen(self, fullscreen);
3492     if (shaded != self->shaded)
3493         client_shade(self, shaded);
3494     if (undecorated != self->undecorated)
3495         client_set_undecorated(self, undecorated);
3496     if (above != self->above || below != self->below) {
3497         self->above = above;
3498         self->below = below;
3499         client_calc_layer(self);
3500     }
3501
3502     if (modal != self->modal) {
3503         self->modal = modal;
3504         /* when a window changes modality, then its stacking order with its
3505            transients needs to change */
3506         stacking_raise(CLIENT_AS_WINDOW(self));
3507
3508         /* it also may get focused. if something is focused that shouldn't
3509            be focused anymore, then move the focus */
3510         if (focus_client && client_focus_target(focus_client) != focus_client)
3511             client_focus(focus_client);
3512     }
3513
3514     if (iconic != self->iconic)
3515         client_iconify(self, iconic, FALSE, FALSE);
3516
3517     if (demands_attention != self->demands_attention)
3518         client_hilite(self, demands_attention);
3519
3520     client_change_state(self); /* change the hint to reflect these changes */
3521 }
3522
3523 ObClient *client_focus_target(ObClient *self)
3524 {
3525     ObClient *child = NULL;
3526
3527     child = client_search_modal_child(self);
3528     if (child) return child;
3529     return self;
3530 }
3531
3532 gboolean client_can_focus(ObClient *self)
3533 {
3534     /* choose the correct target */
3535     self = client_focus_target(self);
3536
3537     if (!self->frame->visible)
3538         return FALSE;
3539
3540     if (!(self->can_focus || self->focus_notify))
3541         return FALSE;
3542
3543     return TRUE;
3544 }
3545
3546 gboolean client_focus(ObClient *self)
3547 {
3548     /* we might not focus this window, so if we have modal children which would
3549        be focused instead, bring them to this desktop */
3550     client_bring_modal_windows(self);
3551
3552     /* choose the correct target */
3553     self = client_focus_target(self);
3554
3555     if (!client_can_focus(self)) {
3556         ob_debug_type(OB_DEBUG_FOCUS,
3557                       "Client %s can't be focused\n", self->title);
3558         return FALSE;
3559     }
3560
3561     ob_debug_type(OB_DEBUG_FOCUS,
3562                   "Focusing client \"%s\" (0x%x) at time %u\n",
3563                   self->title, self->window, event_curtime);
3564
3565     /* if using focus_delay, stop the timer now so that focus doesn't
3566        go moving on us */
3567     event_halt_focus_delay();
3568
3569     /* if there is a grab going on, then we need to cancel it. if we move
3570        focus during the grab, applications will get NotifyWhileGrabbed events
3571        and ignore them !
3572
3573        actions should not rely on being able to move focus during an
3574        interactive grab.
3575     */
3576     event_cancel_all_key_grabs();
3577
3578     xerror_set_ignore(TRUE);
3579     xerror_occured = FALSE;
3580
3581     if (self->can_focus) {
3582         /* This can cause a BadMatch error with CurrentTime, or if an app
3583            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3584         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3585                        event_curtime);
3586     }
3587
3588     if (self->focus_notify) {
3589         XEvent ce;
3590         ce.xclient.type = ClientMessage;
3591         ce.xclient.message_type = prop_atoms.wm_protocols;
3592         ce.xclient.display = ob_display;
3593         ce.xclient.window = self->window;
3594         ce.xclient.format = 32;
3595         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3596         ce.xclient.data.l[1] = event_curtime;
3597         ce.xclient.data.l[2] = 0l;
3598         ce.xclient.data.l[3] = 0l;
3599         ce.xclient.data.l[4] = 0l;
3600         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3601     }
3602
3603     xerror_set_ignore(FALSE);
3604
3605     ob_debug_type(OB_DEBUG_FOCUS, "Error focusing? %d\n", xerror_occured);
3606     return !xerror_occured;
3607 }
3608
3609 static void client_present(ObClient *self, gboolean here, gboolean raise,
3610                            gboolean unshade)
3611 {
3612     if (client_normal(self) && screen_showing_desktop)
3613         screen_show_desktop(FALSE, self);
3614     if (self->iconic)
3615         client_iconify(self, FALSE, here, FALSE);
3616     if (self->desktop != DESKTOP_ALL &&
3617         self->desktop != screen_desktop)
3618     {
3619         if (here)
3620             client_set_desktop(self, screen_desktop, FALSE, TRUE);
3621         else
3622             screen_set_desktop(self->desktop, FALSE);
3623     } else if (!self->frame->visible)
3624         /* if its not visible for other reasons, then don't mess
3625            with it */
3626         return;
3627     if (self->shaded && unshade)
3628         client_shade(self, FALSE);
3629     if (raise)
3630         stacking_raise(CLIENT_AS_WINDOW(self));
3631
3632     client_focus(self);
3633 }
3634
3635 void client_activate(ObClient *self, gboolean here, gboolean raise,
3636                      gboolean unshade, gboolean user)
3637 {
3638     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3639     gboolean allow = FALSE;
3640
3641     /* if the currently focused app doesn't set a user_time, then it can't
3642        benefit from any focus stealing prevention.
3643
3644        if the timestamp is missing in the request then let it go through
3645        even if it is source=app, because EVERY APPLICATION DOES THIS because
3646        GTK IS VERY BUGGY AND HARDCODES source=application... WHY!?
3647     */
3648     if (!last_time || !event_curtime)
3649         allow = TRUE;
3650     /* otherwise, if they didn't give a time stamp or if it is too old, they
3651        don't get focus */
3652     else
3653         allow = event_time_after(event_curtime, last_time);
3654
3655     ob_debug_type(OB_DEBUG_FOCUS,
3656                   "Want to activate window 0x%x with time %u (last time %u), "
3657                   "source=%s allowing? %d\n",
3658                   self->window, event_curtime, last_time,
3659                   (user ? "user" : "application"), allow);
3660
3661     if (allow)
3662         client_present(self, here, raise, unshade);
3663     else
3664         /* don't focus it but tell the user it wants attention */
3665         client_hilite(self, TRUE);
3666 }
3667
3668 static void client_bring_windows_recursive(ObClient *self,
3669                                            guint desktop,
3670                                            gboolean helpers,
3671                                            gboolean modals,
3672                                            gboolean iconic)
3673 {
3674     GSList *it;
3675
3676     for (it = self->transients; it; it = g_slist_next(it))
3677         client_bring_windows_recursive(it->data, desktop,
3678                                        helpers, modals, iconic);
3679
3680     if (((helpers && client_helper(self)) ||
3681          (modals && self->modal)) &&
3682         ((self->desktop != desktop && self->desktop != DESKTOP_ALL) ||
3683          (iconic && self->iconic)))
3684     {
3685         if (iconic && self->iconic)
3686             client_iconify(self, FALSE, TRUE, FALSE);
3687         else
3688             client_set_desktop(self, desktop, FALSE, FALSE);
3689     }
3690 }
3691
3692 void client_bring_helper_windows(ObClient *self)
3693 {
3694     client_bring_windows_recursive(self, self->desktop, TRUE, FALSE, FALSE);
3695 }
3696
3697 void client_bring_modal_windows(ObClient *self)
3698 {
3699     client_bring_windows_recursive(self, self->desktop, FALSE, TRUE, TRUE);
3700 }
3701
3702 gboolean client_focused(ObClient *self)
3703 {
3704     return self == focus_client;
3705 }
3706
3707 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3708 {
3709     guint i;
3710     gulong min_diff, min_i;
3711
3712     if (!self->nicons) {
3713         ObClientIcon *parent = NULL;
3714         GSList *it;
3715
3716         for (it = self->parents; it; it = g_slist_next(it)) {
3717             ObClient *c = it->data;
3718             if ((parent = client_icon_recursive(c, w, h)))
3719                 break;
3720         }
3721
3722         return parent;
3723     }
3724
3725     /* some kind of crappy approximation to find the icon closest in size to
3726        what we requested, but icons are generally all the same ratio as
3727        eachother so it's good enough. */
3728
3729     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3730     min_i = 0;
3731
3732     for (i = 1; i < self->nicons; ++i) {
3733         gulong diff;
3734
3735         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3736         if (diff < min_diff) {
3737             min_diff = diff;
3738             min_i = i;
3739         }
3740     }
3741     return &self->icons[min_i];
3742 }
3743
3744 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3745 {
3746     ObClientIcon *ret;
3747     static ObClientIcon deficon;
3748
3749     if (!(ret = client_icon_recursive(self, w, h))) {
3750         deficon.width = deficon.height = 48;
3751         deficon.data = ob_rr_theme->def_win_icon;
3752         ret = &deficon;
3753     }
3754     return ret;
3755 }
3756
3757 void client_set_layer(ObClient *self, gint layer)
3758 {
3759     if (layer < 0) {
3760         self->below = TRUE;
3761         self->above = FALSE;
3762     } else if (layer == 0) {
3763         self->below = self->above = FALSE;
3764     } else {
3765         self->below = FALSE;
3766         self->above = TRUE;
3767     }
3768     client_calc_layer(self);
3769     client_change_state(self); /* reflect this in the state hints */
3770 }
3771
3772 void client_set_undecorated(ObClient *self, gboolean undecorated)
3773 {
3774     if (self->undecorated != undecorated &&
3775         /* don't let it undecorate if the function is missing, but let
3776            it redecorate */
3777         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3778     {
3779         self->undecorated = undecorated;
3780         client_setup_decor_and_functions(self, TRUE);
3781         client_change_state(self); /* reflect this in the state hints */
3782     }
3783 }
3784
3785 guint client_monitor(ObClient *self)
3786 {
3787     return screen_find_monitor(&self->frame->area);
3788 }
3789
3790 ObClient *client_direct_parent(ObClient *self)
3791 {
3792     if (!self->parents) return NULL;
3793     if (self->transient_for_group) return NULL;
3794     return self->parents->data;
3795 }
3796
3797 ObClient *client_search_top_direct_parent(ObClient *self)
3798 {
3799     ObClient *p;
3800     while ((p = client_direct_parent(self))) self = p;
3801     return self;
3802 }
3803
3804 static GSList *client_search_all_top_parents_internal(ObClient *self,
3805                                                       gboolean bylayer,
3806                                                       ObStackingLayer layer)
3807 {
3808     GSList *ret;
3809     ObClient *p;
3810
3811     /* move up the direct transient chain as far as possible */
3812     while ((p = client_direct_parent(self)) &&
3813            (!bylayer || p->layer == layer))
3814         self = p;
3815
3816     if (!self->parents)
3817         ret = g_slist_prepend(NULL, self);
3818     else
3819         ret = g_slist_copy(self->parents);
3820
3821     return ret;
3822 }
3823
3824 GSList *client_search_all_top_parents(ObClient *self)
3825 {
3826     return client_search_all_top_parents_internal(self, FALSE, 0);
3827 }
3828
3829 GSList *client_search_all_top_parents_layer(ObClient *self)
3830 {
3831     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3832 }
3833
3834 ObClient *client_search_focus_parent(ObClient *self)
3835 {
3836     GSList *it;
3837
3838     for (it = self->parents; it; it = g_slist_next(it))
3839         if (client_focused(it->data)) return it->data;
3840
3841     return NULL;
3842 }
3843
3844 ObClient *client_search_parent(ObClient *self, ObClient *search)
3845 {
3846     GSList *it;
3847
3848     for (it = self->parents; it; it = g_slist_next(it))
3849         if (it->data == search) return search;
3850
3851     return NULL;
3852 }
3853
3854 ObClient *client_search_transient(ObClient *self, ObClient *search)
3855 {
3856     GSList *sit;
3857
3858     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3859         if (sit->data == search)
3860             return search;
3861         if (client_search_transient(sit->data, search))
3862             return search;
3863     }
3864     return NULL;
3865 }
3866
3867 static void detect_edge(Rect area, ObDirection dir,
3868                         gint my_head, gint my_size,
3869                         gint my_edge_start, gint my_edge_size,
3870                         gint *dest, gboolean *near_edge)
3871 {
3872     gint edge_start, edge_size, head, tail;
3873     gboolean skip_head = FALSE, skip_tail = FALSE;
3874
3875     switch(dir) {
3876         case OB_DIRECTION_NORTH:
3877         case OB_DIRECTION_SOUTH:
3878             edge_start = area.x;
3879             edge_size = area.width;
3880             break;
3881         case OB_DIRECTION_EAST:
3882         case OB_DIRECTION_WEST:
3883             edge_start = area.y;
3884             edge_size = area.height;
3885             break;
3886         default:
3887             g_assert_not_reached();
3888     }
3889
3890     /* do we collide with this window? */
3891     if (!RANGES_INTERSECT(my_edge_start, my_edge_size,
3892                 edge_start, edge_size))
3893         return;
3894
3895     switch(dir) {
3896         case OB_DIRECTION_NORTH:
3897             head = RECT_BOTTOM(area);
3898             tail = RECT_TOP(area);
3899             break;
3900         case OB_DIRECTION_SOUTH:
3901             head = RECT_TOP(area);
3902             tail = RECT_BOTTOM(area);
3903             break;
3904         case OB_DIRECTION_EAST:
3905             head = RECT_LEFT(area);
3906             tail = RECT_RIGHT(area);
3907             break;
3908         case OB_DIRECTION_WEST:
3909             head = RECT_RIGHT(area);
3910             tail = RECT_LEFT(area);
3911             break;
3912         default:
3913             g_assert_not_reached();
3914     }
3915     switch(dir) {
3916         case OB_DIRECTION_NORTH:
3917         case OB_DIRECTION_WEST:
3918             if (my_head <= head + 1)
3919                 skip_head = TRUE;
3920             if (my_head + my_size - 1 <= tail)
3921                 skip_tail = TRUE;
3922             if (head < *dest)
3923                 skip_head = TRUE;
3924             if (tail - my_size < *dest)
3925                 skip_tail = TRUE;
3926             break;
3927         case OB_DIRECTION_SOUTH:
3928         case OB_DIRECTION_EAST:
3929             if (my_head >= head - 1)
3930                 skip_head = TRUE;
3931             if (my_head - my_size + 1 >= tail)
3932                 skip_tail = TRUE;
3933             if (head > *dest)
3934                 skip_head = TRUE;
3935             if (tail + my_size > *dest)
3936                 skip_tail = TRUE;
3937             break;
3938         default:
3939             g_assert_not_reached();
3940     }
3941
3942     ob_debug("my head %d size %d\n", my_head, my_size);
3943     ob_debug("head %d tail %d deest %d\n", head, tail, *dest);
3944     if (!skip_head) {
3945         ob_debug("using near edge %d\n", head);
3946         *dest = head;
3947         *near_edge = TRUE;
3948     }
3949     else if (!skip_tail) {
3950         ob_debug("using far edge %d\n", tail);
3951         *dest = tail;
3952         *near_edge = FALSE;
3953     }
3954
3955 }
3956
3957 void client_find_edge_directional(ObClient *self, ObDirection dir,
3958                                   gint my_head, gint my_size,
3959                                   gint my_edge_start, gint my_edge_size,
3960                                   gint *dest, gboolean *near_edge)
3961 {
3962     GList *it;
3963     Rect *a, *mon;
3964     Rect dock_area;
3965     gint edge;
3966
3967     a = screen_area(self->desktop, SCREEN_AREA_ALL_MONITORS,
3968                     &self->frame->area);
3969     mon = screen_area(self->desktop, SCREEN_AREA_ONE_MONITOR,
3970                       &self->frame->area);
3971
3972     switch(dir) {
3973     case OB_DIRECTION_NORTH:
3974         if (my_head >= RECT_TOP(*mon))
3975             edge = RECT_TOP(*mon) - 1;
3976         else
3977             edge = RECT_TOP(*a) - 1;
3978         break;
3979     case OB_DIRECTION_SOUTH:
3980         if (my_head <= RECT_BOTTOM(*mon))
3981             edge = RECT_BOTTOM(*mon) + 1;
3982         else
3983             edge = RECT_BOTTOM(*a) + 1;
3984         break;
3985     case OB_DIRECTION_EAST:
3986         if (my_head <= RECT_RIGHT(*mon))
3987             edge = RECT_RIGHT(*mon) + 1;
3988         else
3989             edge = RECT_RIGHT(*a) + 1;
3990         break;
3991     case OB_DIRECTION_WEST:
3992         if (my_head >= RECT_LEFT(*mon))
3993             edge = RECT_LEFT(*mon) - 1;
3994         else
3995             edge = RECT_LEFT(*a) - 1;
3996         break;
3997     default:
3998         g_assert_not_reached();
3999     }
4000     /* default to the far edge, then narrow it down */
4001     *dest = edge;
4002     *near_edge = TRUE;
4003
4004     for(it = client_list; it; it = g_list_next(it)) {
4005         ObClient *cur = it->data;
4006
4007         /* skip windows to not bump into */
4008         if (cur == self)
4009             continue;
4010         if (cur->iconic)
4011             continue;
4012         if (self->desktop != cur->desktop && cur->desktop != DESKTOP_ALL &&
4013             cur->desktop != screen_desktop)
4014             continue;
4015
4016         ob_debug("trying window %s\n", cur->title);
4017
4018         detect_edge(cur->frame->area, dir, my_head, my_size, my_edge_start,
4019                     my_edge_size, dest, near_edge);
4020     }
4021     dock_get_area(&dock_area);
4022     detect_edge(dock_area, dir, my_head, my_size, my_edge_start,
4023                 my_edge_size, dest, near_edge);
4024 }
4025
4026 void client_find_move_directional(ObClient *self, ObDirection dir,
4027                                   gint *x, gint *y)
4028 {
4029     gint head, size;
4030     gint e, e_start, e_size;
4031     gboolean near;
4032
4033     switch (dir) {
4034     case OB_DIRECTION_EAST:
4035         head = RECT_RIGHT(self->frame->area);
4036         size = self->frame->area.width;
4037         e_start = RECT_TOP(self->frame->area);
4038         e_size = self->frame->area.height;
4039         break;
4040     case OB_DIRECTION_WEST:
4041         head = RECT_LEFT(self->frame->area);
4042         size = self->frame->area.width;
4043         e_start = RECT_TOP(self->frame->area);
4044         e_size = self->frame->area.height;
4045         break;
4046     case OB_DIRECTION_NORTH:
4047         head = RECT_TOP(self->frame->area);
4048         size = self->frame->area.height;
4049         e_start = RECT_LEFT(self->frame->area);
4050         e_size = self->frame->area.width;
4051         break;
4052     case OB_DIRECTION_SOUTH:
4053         head = RECT_BOTTOM(self->frame->area);
4054         size = self->frame->area.height;
4055         e_start = RECT_LEFT(self->frame->area);
4056         e_size = self->frame->area.width;
4057         break;
4058     default:
4059         g_assert_not_reached();
4060     }
4061
4062     client_find_edge_directional(self, dir, head, size,
4063                                  e_start, e_size, &e, &near);
4064     *x = self->frame->area.x;
4065     *y = self->frame->area.y;
4066     switch (dir) {
4067     case OB_DIRECTION_EAST:
4068         if (near) e -= self->frame->area.width;
4069         else      e++;
4070         *x = e;
4071         break;
4072     case OB_DIRECTION_WEST:
4073         if (near) e++;
4074         else      e -= self->frame->area.width;
4075         *x = e;
4076         break;
4077     case OB_DIRECTION_NORTH:
4078         if (near) e++;
4079         else      e -= self->frame->area.height;
4080         *y = e;
4081         break;
4082     case OB_DIRECTION_SOUTH:
4083         if (near) e -= self->frame->area.height;
4084         else      e++;
4085         *y = e;
4086         break;
4087     default:
4088         g_assert_not_reached();
4089     }
4090     frame_frame_gravity(self->frame, x, y);
4091 }
4092
4093 void client_find_resize_directional(ObClient *self, ObDirection side,
4094                                     gboolean grow,
4095                                     gint *x, gint *y, gint *w, gint *h)
4096 {
4097     gint head;
4098     gint e, e_start, e_size, delta;
4099     gboolean near;
4100     ObDirection dir;
4101
4102     switch (side) {
4103     case OB_DIRECTION_EAST:
4104         head = RECT_RIGHT(self->frame->area) +
4105             (self->size_inc.width - 1) * (grow ? 1 : -1);
4106         e_start = RECT_TOP(self->frame->area);
4107         e_size = self->frame->area.height;
4108         dir = grow ? OB_DIRECTION_EAST : OB_DIRECTION_WEST;
4109         break;
4110     case OB_DIRECTION_WEST:
4111         head = RECT_LEFT(self->frame->area) -
4112             (self->size_inc.width - 1) * (grow ? 1 : -1);
4113         e_start = RECT_TOP(self->frame->area);
4114         e_size = self->frame->area.height;
4115         dir = grow ? OB_DIRECTION_WEST : OB_DIRECTION_EAST;
4116         break;
4117     case OB_DIRECTION_NORTH:
4118         head = RECT_TOP(self->frame->area) -
4119             (self->size_inc.height - 1) * (grow ? 1 : -1);
4120         e_start = RECT_LEFT(self->frame->area);
4121         e_size = self->frame->area.width;
4122         dir = grow ? OB_DIRECTION_NORTH : OB_DIRECTION_SOUTH;
4123         break;
4124     case OB_DIRECTION_SOUTH:
4125         head = RECT_BOTTOM(self->frame->area) +
4126             (self->size_inc.height - 1) * (grow ? 1 : -1);
4127         e_start = RECT_LEFT(self->frame->area);
4128         e_size = self->frame->area.width;
4129         dir = grow ? OB_DIRECTION_SOUTH : OB_DIRECTION_NORTH;
4130         break;
4131     default:
4132         g_assert_not_reached();
4133     }
4134
4135     ob_debug("head %d dir %d\n", head, dir);
4136     client_find_edge_directional(self, dir, head, 1,
4137                                  e_start, e_size, &e, &near);
4138     ob_debug("edge %d\n", e);
4139     *x = self->frame->area.x;
4140     *y = self->frame->area.y;
4141     *w = self->frame->area.width;
4142     *h = self->frame->area.height;
4143     switch (side) {
4144     case OB_DIRECTION_EAST:
4145         if (grow == near) --e;
4146         delta = e - RECT_RIGHT(self->frame->area);
4147         *w += delta;
4148         break;
4149     case OB_DIRECTION_WEST:
4150         if (grow == near) ++e;
4151         delta = RECT_LEFT(self->frame->area) - e;
4152         *x -= delta;
4153         *w += delta;
4154         break;
4155     case OB_DIRECTION_NORTH:
4156         if (grow == near) ++e;
4157         delta = RECT_TOP(self->frame->area) - e;
4158         *y -= delta;
4159         *h += delta;
4160         break;
4161     case OB_DIRECTION_SOUTH:
4162         if (grow == near) --e;
4163         delta = e - RECT_BOTTOM(self->frame->area);
4164         *h += delta;
4165         break;
4166     default:
4167         g_assert_not_reached();
4168     }
4169     frame_frame_gravity(self->frame, x, y);
4170     *w -= self->frame->size.left + self->frame->size.right;
4171     *h -= self->frame->size.top + self->frame->size.bottom;
4172 }
4173
4174 ObClient* client_under_pointer()
4175 {
4176     gint x, y;
4177     GList *it;
4178     ObClient *ret = NULL;
4179
4180     if (screen_pointer_pos(&x, &y)) {
4181         for (it = stacking_list; it; it = g_list_next(it)) {
4182             if (WINDOW_IS_CLIENT(it->data)) {
4183                 ObClient *c = WINDOW_AS_CLIENT(it->data);
4184                 if (c->frame->visible &&
4185                     /* check the desktop, this is done during desktop
4186                        switching and windows are shown/hidden status is not
4187                        reliable */
4188                     (c->desktop == screen_desktop ||
4189                      c->desktop == DESKTOP_ALL) &&
4190                     /* ignore all animating windows */
4191                     !frame_iconify_animating(c->frame) &&
4192                     RECT_CONTAINS(c->frame->area, x, y))
4193                 {
4194                     ret = c;
4195                     break;
4196                 }
4197             }
4198         }
4199     }
4200     return ret;
4201 }
4202
4203 gboolean client_has_group_siblings(ObClient *self)
4204 {
4205     return self->group && self->group->members->next;
4206 }