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_toggle_border(ObClient *self, gboolean show);
  71 static void client_get_startup_id(ObClient *self);
  72 static void client_get_session_ids(ObClient *self);
  73 static void client_get_area(ObClient *self);
  74 static void client_get_desktop(ObClient *self);
  75 static void client_get_state(ObClient *self);
  76 static void client_get_shaped(ObClient *self);
  77 static void client_get_mwm_hints(ObClient *self);
  78 static void client_get_colormap(ObClient *self);
  79 static void client_change_allowed_actions(ObClient *self);
  80 static void client_change_state(ObClient *self);
  81 static void client_change_wm_state(ObClient *self);
  82 static void client_apply_startup_state(ObClient *self);
  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                                          ObClient* oldparent,
  89                                          ObClient *newparent);
  90 static void client_present(ObClient *self, gboolean here, gboolean raise);
  91 static GSList *client_search_all_top_parents_internal(ObClient *self,
  92                                                       gboolean bylayer,
  93                                                       ObStackingLayer layer);
  94 static void client_call_notifies(ObClient *self, GSList *list);
  95
  96 void client_startup(gboolean reconfig)
  97 {
  98     if (reconfig) return;
  99
 100     client_set_list();
 101 }
 102
 103 void client_shutdown(gboolean reconfig)
 104 {
 105     if (reconfig) return;
 106 }
 107
 108 static void client_call_notifies(ObClient *self, GSList *list)
 109 {
 110     GSList *it;
 111
 112     for (it = list; it; it = g_slist_next(it)) {
 113         ClientCallback *d = it->data;
 114         d->func(self, d->data);
 115     }
 116 }
 117
 118 void client_add_destroy_notify(ObClientCallback func, gpointer data)
 119 {
 120     ClientCallback *d = g_new(ClientCallback, 1);
 121     d->func = func;
 122     d->data = data;
 123     client_destroy_notifies = g_slist_prepend(client_destroy_notifies, d);
 124 }
 125
 126 void client_remove_destroy_notify(ObClientCallback func)
 127 {
 128     GSList *it;
 129
 130     for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
 131         ClientCallback *d = it->data;
 132         if (d->func == func) {
 133             g_free(d);
 134             client_destroy_notifies =
 135                 g_slist_delete_link(client_destroy_notifies, it);
 136             break;
 137         }
 138     }
 139 }
 140
 141 void client_set_list()
 142 {
 143     Window *windows, *win_it;
 144     GList *it;
 145     guint size = g_list_length(client_list);
 146
 147     /* create an array of the window ids */
 148     if (size > 0) {
 149         windows = g_new(Window, size);
 150         win_it = windows;
 151         for (it = client_list; it; it = g_list_next(it), ++win_it)
 152             *win_it = ((ObClient*)it->data)->window;
 153     } else
 154         windows = NULL;
 155
 156     PROP_SETA32(RootWindow(ob_display, ob_screen),
 157                 net_client_list, window, (gulong*)windows, size);
 158
 159     if (windows)
 160         g_free(windows);
 161
 162     stacking_set_list();
 163 }
 164
 165 /*
 166   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 167   {
 168   GSList *it;
 169
 170   for (it = self->transients; it; it = g_slist_next(it)) {
 171   if (!func(it->data, data)) return;
 172   client_foreach_transient(it->data, func, data);
 173   }
 174   }
 175
 176   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 177   {
 178   if (self->transient_for) {
 179   if (self->transient_for != OB_TRAN_GROUP) {
 180   if (!func(self->transient_for, data)) return;
 181   client_foreach_ancestor(self->transient_for, func, data);
 182   } else {
 183   GSList *it;
 184
 185   for (it = self->group->members; it; it = g_slist_next(it))
 186   if (it->data != self &&
 187   !((ObClient*)it->data)->transient_for) {
 188   if (!func(it->data, data)) return;
 189   client_foreach_ancestor(it->data, func, data);
 190   }
 191   }
 192   }
 193   }
 194 */
 195
 196 void client_manage_all()
 197 {
 198     guint i, j, nchild;
 199     Window w, *children;
 200     XWMHints *wmhints;
 201     XWindowAttributes attrib;
 202
 203     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 204                &w, &w, &children, &nchild);
 205
 206     /* remove all icon windows from the list */
 207     for (i = 0; i < nchild; i++) {
 208         if (children[i] == None) continue;
 209         wmhints = XGetWMHints(ob_display, children[i]);
 210         if (wmhints) {
 211             if ((wmhints->flags & IconWindowHint) &&
 212                 (wmhints->icon_window != children[i]))
 213                 for (j = 0; j < nchild; j++)
 214                     if (children[j] == wmhints->icon_window) {
 215                         children[j] = None;
 216                         break;
 217                     }
 218             XFree(wmhints);
 219         }
 220     }
 221
 222     for (i = 0; i < nchild; ++i) {
 223         if (children[i] == None)
 224             continue;
 225         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 226             if (attrib.override_redirect) continue;
 227
 228             if (attrib.map_state != IsUnmapped)
 229                 client_manage(children[i]);
 230         }
 231     }
 232     XFree(children);
 233 }
 234
 235 void client_manage(Window window)
 236 {
 237     ObClient *self;
 238     XEvent e;
 239     XWindowAttributes attrib;
 240     XSetWindowAttributes attrib_set;
 241     XWMHints *wmhint;
 242     gboolean activate = FALSE;
 243     ObAppSettings *settings;
 244
 245     grab_server(TRUE);
 246
 247     /* check if it has already been unmapped by the time we started
 248        mapping. the grab does a sync so we don't have to here */
 249     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 250         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 251     {
 252         XPutBackEvent(ob_display, &e);
 253
 254         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 255         grab_server(FALSE);
 256         return; /* don't manage it */
 257     }
 258
 259     /* make sure it isn't an override-redirect window */
 260     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 261         attrib.override_redirect)
 262     {
 263         grab_server(FALSE);
 264         return; /* don't manage it */
 265     }
 266
 267     /* is the window a docking app */
 268     if ((wmhint = XGetWMHints(ob_display, window))) {
 269         if ((wmhint->flags & StateHint) &&
 270             wmhint->initial_state == WithdrawnState)
 271         {
 272             dock_add(window, wmhint);
 273             grab_server(FALSE);
 274             XFree(wmhint);
 275             return;
 276         }
 277         XFree(wmhint);
 278     }
 279
 280     ob_debug("Managing window: %lx\n", window);
 281
 282     /* choose the events we want to receive on the CLIENT window */
 283     attrib_set.event_mask = CLIENT_EVENTMASK;
 284     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 285     XChangeWindowAttributes(ob_display, window,
 286                             CWEventMask|CWDontPropagate, &attrib_set);
 287
 288     /* create the ObClient struct, and populate it from the hints on the
 289        window */
 290     self = g_new0(ObClient, 1);
 291     self->obwin.type = Window_Client;
 292     self->window = window;
 293
 294     /* non-zero defaults */
 295     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 296     self->gravity = NorthWestGravity;
 297     self->desktop = screen_num_desktops; /* always an invalid value */
 298     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 299
 300     /* get all the stuff off the window */
 301     client_get_all(self, TRUE);
 302
 303     /* specify that if we exit, the window should not be destroyed and
 304        should be reparented back to root automatically */
 305     XChangeSaveSet(ob_display, window, SetModeInsert);
 306
 307     /* create the decoration frame for the client window */
 308     self->frame = frame_new(self);
 309
 310     frame_grab_client(self->frame);
 311
 312     /* we've grabbed everything and set everything that we need to at mapping
 313        time now */
 314     grab_server(FALSE);
 315
 316     /* per-app settings override stuff from client_get_all, and return the
 317        settings for other uses too. the returned settings is a shallow copy,
 318        that needs to be freed with g_free(). */
 319     settings = client_get_settings_state(self);
 320     /* the session should get the last say thought */
 321     client_restore_session_state(self);
 322
 323     /* now we have all of the window's information so we can set this up */
 324     client_setup_decor_and_functions(self);
 325
 326     /* remove the client's border (and adjust re gravity) */
 327     client_toggle_border(self, FALSE);
 328
 329     {
 330         Time t = sn_app_started(self->startup_id, self->class);
 331         if (t) self->user_time = t;
 332     }
 333
 334     /* do this after we have a frame.. it uses the frame to help determine the
 335        WM_STATE to apply. */
 336     client_change_state(self);
 337
 338     /* add ourselves to the focus order */
 339     focus_order_add_new(self);
 340
 341     /* do this to add ourselves to the stacking list in a non-intrusive way */
 342     client_calc_layer(self);
 343
 344     /* focus the new window? */
 345     if (ob_state() != OB_STATE_STARTING &&
 346         (!self->session || self->session->focused) &&
 347         !self->iconic &&
 348         /* this means focus=true for window is same as config_focus_new=true */
 349         ((config_focus_new || (settings && settings->focus == 1)) ||
 350          client_search_focus_parent(self)) &&
 351         /* this checks for focus=false for the window */
 352         (!settings || settings->focus != 0) &&
 353         /* note the check against Type_Normal/Dialog, not client_normal(self),
 354            which would also include other types. in this case we want more
 355            strict rules for focus */
 356         (self->type == OB_CLIENT_TYPE_NORMAL ||
 357          self->type == OB_CLIENT_TYPE_DIALOG))
 358     {
 359         activate = TRUE;
 360     }
 361
 362     /* figure out placement for the window */
 363     if (ob_state() == OB_STATE_RUNNING) {
 364         gboolean transient;
 365
 366         ob_debug("Positioned: %s @ %d %d\n",
 367                  (!self->positioned ? "no" :
 368                   (self->positioned == PPosition ? "program specified" :
 369                    (self->positioned == USPosition ? "user specified" :
 370                     "BADNESS !?"))), self->area.x, self->area.y);
 371
 372         transient = place_client(self, &self->area.x, &self->area.y, settings);
 373
 374         /* make sure the window is visible. */
 375         client_find_onscreen(self, &self->area.x, &self->area.y,
 376                              self->area.width, self->area.height,
 377                              /* non-normal clients has less rules, and
 378                                 windows that are being restored from a
 379                                 session do also. we can assume you want
 380                                 it back where you saved it. Clients saying
 381                                 they placed themselves are subjected to
 382                                 harder rules, ones that are placed by
 383                                 place.c or by the user are allowed partially
 384                                 off-screen and on xinerama divides (ie,
 385                                 it is up to the placement routines to avoid
 386                                 the xinerama divides) */
 387                              transient ||
 388                              (((self->positioned & PPosition) &&
 389                                !(self->positioned & USPosition)) &&
 390                               client_normal(self) &&
 391                               !self->session));
 392     }
 393
 394     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 395              self->window, self->area.x, self->area.y,
 396              self->area.width, self->area.height);
 397     if (self->session)
 398         ob_debug("  but session requested %d %d instead, overriding\n",
 399                  self->session->x, self->session->y);
 400
 401     /* adjust the frame to the client's size before showing the window */
 402     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 403     frame_adjust_client_area(self->frame);
 404
 405
 406     /* move the client to its placed position, or it it's already there,
 407        generate a ConfigureNotify telling the client where it is.
 408
 409        do this after adjusting the frame. otherwise it gets all weird and
 410        clients don't work right */
 411     client_configure(self, self->area.x, self->area.y,
 412                      self->area.width, self->area.height,
 413                      FALSE, TRUE);
 414
 415     /* do this after the window is placed, so the premax/prefullscreen numbers
 416        won't be all wacko!!
 417        also, this moves the window to the position where it has been placed
 418     */
 419     client_apply_startup_state(self);
 420
 421     if (activate) {
 422         guint32 last_time = focus_client ?
 423             focus_client->user_time : CurrentTime;
 424
 425         /* This is focus stealing prevention */
 426         ob_debug_type(OB_DEBUG_FOCUS,
 427                       "Want to focus new window 0x%x with time %u "
 428                       "(last time %u)\n",
 429                       self->window, self->user_time, last_time);
 430
 431         /* if it's on another desktop */
 432         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 433             && /* the timestamp is from before you changed desktops */
 434             self->user_time && screen_desktop_user_time &&
 435             !event_time_after(self->user_time, screen_desktop_user_time))
 436         {
 437             activate = FALSE;
 438             ob_debug_type(OB_DEBUG_FOCUS,
 439                           "Not focusing the window because its on another "
 440                           "desktop\n");
 441         }
 442         /* If something is focused, and it's not our parent... */
 443         else if (focus_client && client_search_focus_parent(self) == NULL)
 444         {
 445             /* If time stamp is old, don't steal focus */
 446             if (self->user_time && last_time &&
 447                 !event_time_after(self->user_time, last_time))
 448             {
 449                 activate = FALSE;
 450                 ob_debug_type(OB_DEBUG_FOCUS,
 451                               "Not focusing the window because the time is "
 452                               "too old\n");
 453             }
 454             /* Don't steal focus from globally active clients.
 455                I stole this idea from KWin. It seems nice.
 456              */
 457             if (!(focus_client->can_focus || focus_client->focus_notify)) {
 458                 activate = FALSE;
 459                 ob_debug_type(OB_DEBUG_FOCUS,
 460                               "Not focusing the window because a globally "
 461                               "active client has focus\n");
 462             }
 463         }
 464
 465         if (!activate) {
 466             ob_debug_type(OB_DEBUG_FOCUS,
 467                           "Focus stealing prevention activated for %s with "
 468                           "time %u (last time %u)\n",
 469                           self->title, self->user_time, last_time);
 470             /* if the client isn't focused, then hilite it so the user
 471                knows it is there */
 472             client_hilite(self, TRUE);
 473         }
 474     }
 475     else {
 476         /* This may look rather odd. Well it's because new windows are added
 477            to the stacking order non-intrusively. If we're not going to focus
 478            the new window or hilite it, then we raise it to the top. This will
 479            take affect for things that don't get focused like splash screens.
 480            Also if you don't have focus_new enabled, then it's going to get
 481            raised to the top. Legacy begets legacy I guess?
 482         */
 483         if (!client_restore_session_stacking(self))
 484             stacking_raise(CLIENT_AS_WINDOW(self));
 485     }
 486
 487     mouse_grab_for_client(self, TRUE);
 488
 489     /* this has to happen before we try focus the window, but we want it to
 490        happen after the client's stacking has been determined or it looks bad
 491     */
 492     client_show(self);
 493
 494     if (activate) {
 495         gboolean stacked = client_restore_session_stacking(self);
 496         client_present(self, FALSE, !stacked);
 497     }
 498
 499     /* add to client list/map */
 500     client_list = g_list_append(client_list, self);
 501     g_hash_table_insert(window_map, &self->window, self);
 502
 503     /* this has to happen after we're in the client_list */
 504     if (STRUT_EXISTS(self->strut))
 505         screen_update_areas();
 506
 507     /* update the list hints */
 508     client_set_list();
 509
 510     /* free the ObAppSettings shallow copy */
 511     g_free(settings);
 512
 513     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 514              window, self->frame->plate, self->class);
 515
 516     return;
 517 }
 518
 519
 520 ObClient *client_fake_manage(Window window)
 521 {
 522     ObClient *self;
 523     ObAppSettings *settings;
 524
 525     ob_debug("Pretend-managing window: %lx\n", window);
 526
 527     /* do this minimal stuff to figure out the client's decorations */
 528
 529     self = g_new0(ObClient, 1);
 530     self->window = window;
 531
 532     client_get_all(self, FALSE);
 533     /* per-app settings override stuff, and return the settings for other
 534        uses too. this returns a shallow copy that needs to be freed */
 535     settings = client_get_settings_state(self);
 536
 537     client_setup_decor_and_functions(self);
 538
 539     /* create the decoration frame for the client window and adjust its size */
 540     self->frame = frame_new(self);
 541     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 542
 543     /* free the ObAppSettings shallow copy */
 544     g_free(settings);
 545
 546     return self;
 547 }
 548
 549 void client_unmanage_all()
 550 {
 551     while (client_list != NULL)
 552         client_unmanage(client_list->data);
 553 }
 554
 555 void client_unmanage(ObClient *self)
 556 {
 557     guint j;
 558     GSList *it;
 559
 560     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 561              self->window, self->frame->plate,
 562              self->class, self->title ? self->title : "");
 563
 564     g_assert(self != NULL);
 565
 566     /* we dont want events no more. do this before hiding the frame so we
 567        don't generate more events */
 568     XSelectInput(ob_display, self->window, NoEventMask);
 569
 570     frame_hide(self->frame);
 571     /* flush to send the hide to the server quickly */
 572     XFlush(ob_display);
 573
 574     /* ignore enter events from the unmap so it doesnt mess with the
 575        focus */
 576     event_ignore_all_queued_enters();
 577
 578     mouse_grab_for_client(self, FALSE);
 579
 580     /* remove the window from our save set */
 581     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 582
 583     /* kill the property windows */
 584     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 585
 586     /* update the focus lists */
 587     focus_order_remove(self);
 588     if (client_focused(self)) {
 589         /* don't leave an invalid focus_client */
 590         focus_client = NULL;
 591     }
 592
 593     client_list = g_list_remove(client_list, self);
 594     stacking_remove(self);
 595     g_hash_table_remove(window_map, &self->window);
 596
 597     /* once the client is out of the list, update the struts to remove its
 598        influence */
 599     if (STRUT_EXISTS(self->strut))
 600         screen_update_areas();
 601
 602     client_call_notifies(self, client_destroy_notifies);
 603
 604     /* tell our parent(s) that we're gone */
 605     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 606         for (it = self->group->members; it; it = g_slist_next(it))
 607             if (it->data != self)
 608                 ((ObClient*)it->data)->transients =
 609                     g_slist_remove(((ObClient*)it->data)->transients,self);
 610     } else if (self->transient_for) {        /* transient of window */
 611         self->transient_for->transients =
 612             g_slist_remove(self->transient_for->transients, self);
 613     }
 614
 615     /* tell our transients that we're gone */
 616     for (it = self->transients; it; it = g_slist_next(it)) {
 617         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 618             ((ObClient*)it->data)->transient_for = NULL;
 619             client_calc_layer(it->data);
 620         }
 621     }
 622
 623     /* remove from its group */
 624     if (self->group) {
 625         group_remove(self->group, self);
 626         self->group = NULL;
 627     }
 628
 629     /* restore the window's original geometry so it is not lost */
 630     {
 631         Rect a;
 632
 633         /* give the client its border back */
 634         client_toggle_border(self, TRUE);
 635
 636         a = self->area;
 637
 638         if (self->fullscreen)
 639             a = self->pre_fullscreen_area;
 640         else if (self->max_horz || self->max_vert) {
 641             if (self->max_horz) {
 642                 a.x = self->pre_max_area.x;
 643                 a.width = self->pre_max_area.width;
 644             }
 645             if (self->max_vert) {
 646                 a.y = self->pre_max_area.y;
 647                 a.height = self->pre_max_area.height;
 648             }
 649         }
 650
 651         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 652         self->decorations = 0; /* unmanaged windows have no decor */
 653
 654         client_move_resize(self, a.x, a.y, a.width, a.height);
 655     }
 656
 657     /* reparent the window out of the frame, and free the frame */
 658     frame_release_client(self->frame);
 659     frame_free(self->frame);
 660     self->frame = NULL;
 661
 662     if (ob_state() != OB_STATE_EXITING) {
 663         /* these values should not be persisted across a window
 664            unmapping/mapping */
 665         PROP_ERASE(self->window, net_wm_desktop);
 666         PROP_ERASE(self->window, net_wm_state);
 667         PROP_ERASE(self->window, wm_state);
 668     } else {
 669         /* if we're left in an unmapped state, the client wont be mapped.
 670            this is bad, since we will no longer be managing the window on
 671            restart */
 672         XMapWindow(ob_display, self->window);
 673     }
 674
 675     /* update the list hints */
 676     client_set_list();
 677
 678     ob_debug("Unmanaged window 0x%lx\n", self->window);
 679
 680     /* free all data allocated in the client struct */
 681     g_slist_free(self->transients);
 682     for (j = 0; j < self->nicons; ++j)
 683         g_free(self->icons[j].data);
 684     if (self->nicons > 0)
 685         g_free(self->icons);
 686     g_free(self->wm_command);
 687     g_free(self->title);
 688     g_free(self->icon_title);
 689     g_free(self->name);
 690     g_free(self->class);
 691     g_free(self->role);
 692     g_free(self->client_machine);
 693     g_free(self->sm_client_id);
 694     g_free(self);
 695 }
 696
 697 void client_fake_unmanage(ObClient *self)
 698 {
 699     /* this is all that got allocated to get the decorations */
 700
 701     frame_free(self->frame);
 702     g_free(self);
 703 }
 704
 705 /*! Returns a new structure containing the per-app settings for this client.
 706   The returned structure needs to be freed with g_free. */
 707 static ObAppSettings *client_get_settings_state(ObClient *self)
 708 {
 709     ObAppSettings *settings;
 710     GSList *it;
 711
 712     settings = config_create_app_settings();
 713
 714     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 715         ObAppSettings *app = it->data;
 716         gboolean match = TRUE;
 717
 718         g_assert(app->name != NULL || app->class != NULL);
 719
 720         /* we know that either name or class is not NULL so it will have to
 721            match to use the rule */
 722         if (app->name &&
 723             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 724             match = FALSE;
 725         if (app->class &&
 726             !g_pattern_match(app->class, strlen(self->class),self->class,NULL))
 727             match = FALSE;
 728         if (app->role &&
 729             !g_pattern_match(app->role, strlen(self->role), self->role, NULL))
 730             match = FALSE;
 731
 732         if (match) {
 733             ob_debug("Window matching: %s\n", app->name);
 734
 735             /* copy the settings to our struct, overriding the existing
 736                settings if they are not defaults */
 737             config_app_settings_copy_non_defaults(app, settings);
 738         }
 739     }
 740
 741     if (settings) {
 742         if (settings->shade != -1)
 743             self->shaded = !!settings->shade;
 744         if (settings->decor != -1)
 745             self->undecorated = !settings->decor;
 746         if (settings->iconic != -1)
 747             self->iconic = !!settings->iconic;
 748         if (settings->skip_pager != -1)
 749             self->skip_pager = !!settings->skip_pager;
 750         if (settings->skip_taskbar != -1)
 751             self->skip_taskbar = !!settings->skip_taskbar;
 752
 753         if (settings->max_vert != -1)
 754             self->max_vert = !!settings->max_vert;
 755         if (settings->max_horz != -1)
 756             self->max_horz = !!settings->max_horz;
 757
 758         if (settings->fullscreen != -1)
 759             self->fullscreen = !!settings->fullscreen;
 760
 761         if (settings->desktop) {
 762             if (settings->desktop == DESKTOP_ALL)
 763                 self->desktop = settings->desktop;
 764             else if (settings->desktop > 0 &&
 765                      settings->desktop <= screen_num_desktops)
 766                 self->desktop = settings->desktop - 1;
 767         }
 768
 769         if (settings->layer == -1) {
 770             self->below = TRUE;
 771             self->above = FALSE;
 772         }
 773         else if (settings->layer == 0) {
 774             self->below = FALSE;
 775             self->above = FALSE;
 776         }
 777         else if (settings->layer == 1) {
 778             self->below = FALSE;
 779             self->above = TRUE;
 780         }
 781     }
 782     return settings;
 783 }
 784
 785 static void client_restore_session_state(ObClient *self)
 786 {
 787     GList *it;
 788
 789     ob_debug_type(OB_DEBUG_SM,
 790                   "Restore session for client %s\n", self->title);
 791
 792     if (!(it = session_state_find(self))) {
 793         ob_debug_type(OB_DEBUG_SM,
 794                       "Session data not found for client %s\n", self->title);
 795         return;
 796     }
 797
 798     self->session = it->data;
 799
 800     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 801                   self->title);
 802
 803     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 804     self->positioned = USPosition;
 805     if (self->session->w > 0)
 806         self->area.width = self->session->w;
 807     if (self->session->h > 0)
 808         self->area.height = self->session->h;
 809     XResizeWindow(ob_display, self->window,
 810                   self->area.width, self->area.height);
 811
 812     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 813                      self->session->desktop :
 814                      MIN(screen_num_desktops - 1, self->session->desktop));
 815     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 816
 817     self->shaded = self->session->shaded;
 818     self->iconic = self->session->iconic;
 819     self->skip_pager = self->session->skip_pager;
 820     self->skip_taskbar = self->session->skip_taskbar;
 821     self->fullscreen = self->session->fullscreen;
 822     self->above = self->session->above;
 823     self->below = self->session->below;
 824     self->max_horz = self->session->max_horz;
 825     self->max_vert = self->session->max_vert;
 826     self->undecorated = self->session->undecorated;
 827 }
 828
 829 static gboolean client_restore_session_stacking(ObClient *self)
 830 {
 831     GList *it, *mypos;
 832
 833     if (!self->session) return FALSE;
 834
 835     mypos = g_list_find(session_saved_state, self->session);
 836     if (!mypos) return FALSE;
 837
 838     /* start above me and look for the first client */
 839     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 840         GList *cit;
 841
 842         for (cit = client_list; cit; cit = g_list_next(cit)) {
 843             ObClient *c = cit->data;
 844             /* found a client that was in the session, so go below it */
 845             if (c->session == it->data) {
 846                 stacking_below(CLIENT_AS_WINDOW(self),
 847                                CLIENT_AS_WINDOW(cit->data));
 848                 return TRUE;
 849             }
 850         }
 851     }
 852     return FALSE;
 853 }
 854
 855 void client_move_onscreen(ObClient *self, gboolean rude)
 856 {
 857     gint x = self->area.x;
 858     gint y = self->area.y;
 859     if (client_find_onscreen(self, &x, &y,
 860                              self->area.width,
 861                              self->area.height, rude)) {
 862         client_move(self, x, y);
 863     }
 864 }
 865
 866 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 867                               gboolean rude)
 868 {
 869     Rect *mon_a, *all_a;
 870     gint ox = *x, oy = *y;
 871     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 872     gint fw, fh;
 873     Rect desired;
 874
 875     RECT_SET(desired, *x, *y, w, h);
 876     all_a = screen_area(self->desktop);
 877     mon_a = screen_area_monitor(self->desktop, screen_find_monitor(&desired));
 878
 879     /* get where the frame would be */
 880     frame_client_gravity(self->frame, x, y, w, h);
 881
 882     /* get the requested size of the window with decorations */
 883     fw = self->frame->size.left + w + self->frame->size.right;
 884     fh = self->frame->size.top + h + self->frame->size.bottom;
 885
 886     /* This makes sure windows aren't entirely outside of the screen so you
 887        can't see them at all.
 888        It makes sure 10% of the window is on the screen at least. At don't let
 889        it move itself off the top of the screen, which would hide the titlebar
 890        on you. (The user can still do this if they want too, it's only limiting
 891        the application.
 892
 893        XXX watch for xinerama dead areas...
 894     */
 895     if (client_normal(self)) {
 896         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 897             *x = all_a->x + all_a->width - fw/10;
 898         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 899             *y = all_a->y + all_a->height - fh/10;
 900         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 901             *x = all_a->x - fw*9/10;
 902         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 903             *y = all_a->y - fw*9/10;
 904     }
 905
 906     /* If rudeness wasn't requested, then figure out of the client is currently
 907        entirely on the screen. If it is, and the position isn't changing by
 908        request, and it is enlarging, then be rude even though it wasn't
 909        requested */
 910     if (!rude) {
 911         Point oldtl, oldtr, oldbl, oldbr;
 912         Point newtl, newtr, newbl, newbr;
 913         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 914
 915         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 916         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 917                   self->frame->area.y + self->frame->area.height - 1);
 918         POINT_SET(oldtr, oldbr.x, oldtl.y);
 919         POINT_SET(oldbl, oldtl.x, oldbr.y);
 920
 921         POINT_SET(newtl, *x, *y);
 922         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 923         POINT_SET(newtr, newbr.x, newtl.y);
 924         POINT_SET(newbl, newtl.x, newbr.y);
 925
 926         /* is it moving or just resizing from some corner? */
 927         stationary_l = oldtl.x == oldtl.x;
 928         stationary_r = oldtr.x == oldtr.x;
 929         stationary_t = oldtl.y == oldtl.y;
 930         stationary_b = oldbl.y == oldbl.y;
 931
 932         /* if left edge is growing and didnt move right edge */
 933         if (stationary_r && newtl.x < oldtl.x)
 934             rudel = TRUE;
 935         /* if right edge is growing and didnt move left edge */
 936         if (stationary_l && newtr.x > oldtr.x)
 937             ruder = TRUE;
 938         /* if top edge is growing and didnt move bottom edge */
 939         if (stationary_b && newtl.y < oldtl.y)
 940             rudet = TRUE;
 941         /* if bottom edge is growing and didnt move top edge */
 942         if (stationary_t && newbl.y > oldbl.y)
 943             rudeb = TRUE;
 944     }
 945
 946     /* This here doesn't let windows even a pixel outside the struts/screen.
 947      * When called from client_manage, programs placing themselves are
 948      * forced completely onscreen, while things like
 949      * xterm -geometry resolution-width/2 will work fine. Trying to
 950      * place it completely offscreen will be handled in the above code.
 951      * Sorry for this confused comment, i am tired. */
 952     if (fw <= mon_a->width) {
 953         if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 954         if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 955             *x = mon_a->x + mon_a->width - fw;
 956     }
 957     if (fh <= mon_a->height) {
 958         if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 959         if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 960             *y = mon_a->y + mon_a->height - fh;
 961     }
 962
 963     /* get where the client should be */
 964     frame_frame_gravity(self->frame, x, y, w, h);
 965
 966     return ox != *x || oy != *y;
 967 }
 968
 969 static void client_toggle_border(ObClient *self, gboolean show)
 970 {
 971     /* adjust our idea of where the client is, based on its border. When the
 972        border is removed, the client should now be considered to be in a
 973        different position.
 974        when re-adding the border to the client, the same operation needs to be
 975        reversed. */
 976     gint oldx = self->area.x, oldy = self->area.y;
 977     gint x = oldx, y = oldy;
 978     switch(self->gravity) {
 979     default:
 980     case NorthWestGravity:
 981     case WestGravity:
 982     case SouthWestGravity:
 983         break;
 984     case NorthEastGravity:
 985     case EastGravity:
 986     case SouthEastGravity:
 987         if (show) x -= self->border_width * 2;
 988         else      x += self->border_width * 2;
 989         break;
 990     case NorthGravity:
 991     case SouthGravity:
 992     case CenterGravity:
 993     case ForgetGravity:
 994     case StaticGravity:
 995         if (show) x -= self->border_width;
 996         else      x += self->border_width;
 997         break;
 998     }
 999     switch(self->gravity) {
1000     default:
1001     case NorthWestGravity:
1002     case NorthGravity:
1003     case NorthEastGravity:
1004         break;
1005     case SouthWestGravity:
1006     case SouthGravity:
1007     case SouthEastGravity:
1008         if (show) y -= self->border_width * 2;
1009         else      y += self->border_width * 2;
1010         break;
1011     case WestGravity:
1012     case EastGravity:
1013     case CenterGravity:
1014     case ForgetGravity:
1015     case StaticGravity:
1016         if (show) y -= self->border_width;
1017         else      y += self->border_width;
1018         break;
1019     }
1020     self->area.x = x;
1021     self->area.y = y;
1022
1023     if (show) {
1024         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
1025
1026         /* set border_width to 0 because there is no border to add into
1027            calculations anymore */
1028         self->border_width = 0;
1029     } else
1030         XSetWindowBorderWidth(ob_display, self->window, 0);
1031 }
1032
1033
1034 static void client_get_all(ObClient *self, gboolean real)
1035 {
1036     /* this is needed for the frame to set itself up */
1037     client_get_area(self);
1038
1039     /* these things can change the decor and functions of the window */
1040
1041     client_get_mwm_hints(self);
1042     /* this can change the mwmhints for special cases */
1043     client_get_type_and_transientness(self);
1044     client_get_state(self);
1045     client_update_normal_hints(self);
1046
1047     /* get the session related properties, these can change decorations
1048        from per-app settings */
1049     client_get_session_ids(self);
1050
1051     /* now we got everything that can affect the decorations */
1052     if (!real)
1053         return;
1054
1055     /* get this early so we have it for debugging */
1056     client_update_title(self);
1057
1058     client_update_protocols(self);
1059
1060     client_update_wmhints(self);
1061     /* this may have already been called from client_update_wmhints */
1062     if (self->transient_for == NULL)
1063         client_update_transient_for(self);
1064
1065     client_get_startup_id(self);
1066     client_get_desktop(self);/* uses transient data/group/startup id if a
1067                                 desktop is not specified */
1068     client_get_shaped(self);
1069
1070     {
1071         /* a couple type-based defaults for new windows */
1072
1073         /* this makes sure that these windows appear on all desktops */
1074         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1075             self->desktop = DESKTOP_ALL;
1076     }
1077
1078 #ifdef SYNC
1079     client_update_sync_request_counter(self);
1080 #endif
1081
1082     client_get_colormap(self);
1083     client_update_strut(self);
1084     client_update_icons(self);
1085     client_update_user_time_window(self);
1086     if (!self->user_time_window) /* check if this would have been called */
1087         client_update_user_time(self);
1088     client_update_icon_geometry(self);
1089 }
1090
1091 static void client_get_startup_id(ObClient *self)
1092 {
1093     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1094         if (self->group)
1095             PROP_GETS(self->group->leader,
1096                       net_startup_id, utf8, &self->startup_id);
1097 }
1098
1099 static void client_get_area(ObClient *self)
1100 {
1101     XWindowAttributes wattrib;
1102     Status ret;
1103
1104     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1105     g_assert(ret != BadWindow);
1106
1107     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1108     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1109     self->border_width = wattrib.border_width;
1110
1111     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1112              wattrib.width, wattrib.height);
1113 }
1114
1115 static void client_get_desktop(ObClient *self)
1116 {
1117     guint32 d = screen_num_desktops; /* an always-invalid value */
1118
1119     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1120         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1121             self->desktop = screen_num_desktops - 1;
1122         else
1123             self->desktop = d;
1124     } else {
1125         gboolean trdesk = FALSE;
1126
1127         if (self->transient_for) {
1128             if (self->transient_for != OB_TRAN_GROUP) {
1129                 self->desktop = self->transient_for->desktop;
1130                 trdesk = TRUE;
1131             } else {
1132                 GSList *it;
1133
1134                 for (it = self->group->members; it; it = g_slist_next(it))
1135                     if (it->data != self &&
1136                         !((ObClient*)it->data)->transient_for) {
1137                         self->desktop = ((ObClient*)it->data)->desktop;
1138                         trdesk = TRUE;
1139                         break;
1140                     }
1141             }
1142         }
1143         if (!trdesk) {
1144             /* try get from the startup-notification protocol */
1145             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1146                 if (self->desktop >= screen_num_desktops &&
1147                     self->desktop != DESKTOP_ALL)
1148                     self->desktop = screen_num_desktops - 1;
1149             } else
1150                 /* defaults to the current desktop */
1151                 self->desktop = screen_desktop;
1152         }
1153     }
1154 }
1155
1156 static void client_get_state(ObClient *self)
1157 {
1158     guint32 *state;
1159     guint num;
1160
1161     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1162         gulong i;
1163         for (i = 0; i < num; ++i) {
1164             if (state[i] == prop_atoms.net_wm_state_modal)
1165                 self->modal = TRUE;
1166             else if (state[i] == prop_atoms.net_wm_state_shaded)
1167                 self->shaded = TRUE;
1168             else if (state[i] == prop_atoms.net_wm_state_hidden)
1169                 self->iconic = TRUE;
1170             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1171                 self->skip_taskbar = TRUE;
1172             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1173                 self->skip_pager = TRUE;
1174             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1175                 self->fullscreen = TRUE;
1176             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1177                 self->max_vert = TRUE;
1178             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1179                 self->max_horz = TRUE;
1180             else if (state[i] == prop_atoms.net_wm_state_above)
1181                 self->above = TRUE;
1182             else if (state[i] == prop_atoms.net_wm_state_below)
1183                 self->below = TRUE;
1184             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1185                 self->demands_attention = TRUE;
1186             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1187                 self->undecorated = TRUE;
1188         }
1189
1190         g_free(state);
1191     }
1192 }
1193
1194 static void client_get_shaped(ObClient *self)
1195 {
1196     self->shaped = FALSE;
1197 #ifdef   SHAPE
1198     if (extensions_shape) {
1199         gint foo;
1200         guint ufoo;
1201         gint s;
1202
1203         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1204
1205         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1206                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1207                            &ufoo);
1208         self->shaped = (s != 0);
1209     }
1210 #endif
1211 }
1212
1213 void client_update_transient_for(ObClient *self)
1214 {
1215     Window t = None;
1216     ObClient *target = NULL;
1217
1218     if (XGetTransientForHint(ob_display, self->window, &t)) {
1219         if (t != self->window) { /* cant be transient to itself! */
1220             target = g_hash_table_lookup(window_map, &t);
1221             /* if this happens then we need to check for it*/
1222             g_assert(target != self);
1223             if (target && !WINDOW_IS_CLIENT(target)) {
1224                 /* this can happen when a dialog is a child of
1225                    a dockapp, for example */
1226                 target = NULL;
1227             }
1228
1229             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1230
1231                Setting the transient_for to Root is actually illegal, however
1232                applications from time have done this to specify transient for
1233                their group.
1234
1235                Now you can do that by being a TYPE_DIALOG and not setting
1236                the transient_for hint at all on your window. But people still
1237                use Root, and Kwin is very strange in this regard.
1238
1239                KWin 3.0 will not consider windows with transient_for set to
1240                Root as transient for their group *UNLESS* they are also modal.
1241                In that case, it will make them transient for the group. This
1242                leads to all sorts of weird behavior from KDE apps which are
1243                only tested in KWin. I'd like to follow their behavior just to
1244                make this work right with KDE stuff, but that seems wrong.
1245             */
1246             if (!target && self->group) {
1247                 /* not transient to a client, see if it is transient for a
1248                    group */
1249                 if (t == RootWindow(ob_display, ob_screen)) {
1250                     /* window is a transient for its group! */
1251                     target = OB_TRAN_GROUP;
1252                 }
1253             }
1254         }
1255     } else if (self->transient && self->group)
1256         target = OB_TRAN_GROUP;
1257
1258     client_update_transient_tree(self, self->group, self->group,
1259                                  self->transient_for, target);
1260     self->transient_for = target;
1261
1262 }
1263
1264 static void client_update_transient_tree(ObClient *self,
1265                                          ObGroup *oldgroup, ObGroup *newgroup,
1266                                          ObClient* oldparent,
1267                                          ObClient *newparent)
1268 {
1269     GSList *it, *next;
1270     ObClient *c;
1271
1272     /* * *
1273       Group transient windows are not allowed to have other group
1274       transient windows as their children.
1275       * * */
1276
1277
1278     /* No change has occured */
1279     if (oldgroup == newgroup && oldparent == newparent) return;
1280
1281     /** Remove the client from the transient tree wherever it has changed **/
1282
1283     /* If the window is becoming a direct transient for a window in its group
1284        then any group transients which were our children and are now becoming
1285        our parents need to stop being our children.
1286
1287        Group transients can't be children of group transients already, but
1288        we could have any number of direct parents above up, any of which could
1289        be transient for the group, and we need to remove it from our children.
1290     */
1291     if (oldparent != newparent &&
1292         newparent != NULL && newparent != OB_TRAN_GROUP &&
1293         newgroup != NULL && newgroup == oldgroup)
1294     {
1295         ObClient *look = newparent;
1296         do {
1297             self->transients = g_slist_remove(self->transients, look);
1298             look = look->transient_for;
1299         } while (look != NULL && look != OB_TRAN_GROUP);
1300     }
1301
1302
1303     /* If the group changed, or if we are just becoming transient for the
1304        group, then we need to remove any old group transient windows
1305        from our children. But if we were already transient for the group, then
1306        other group transients are not our children. */
1307     if ((oldgroup != newgroup ||
1308          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1309         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1310     {
1311         for (it = self->transients; it; it = next) {
1312             next = g_slist_next(it);
1313             c = it->data;
1314             if (c->group == oldgroup)
1315                 self->transients = g_slist_delete_link(self->transients, it);
1316         }
1317     }
1318
1319     /* If we used to be transient for a group and now we are not, or we're
1320        transient for a new group, then we need to remove ourselves from all
1321        our ex-parents */
1322     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1323                                        oldparent != newparent))
1324     {
1325         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1326             c = it->data;
1327             if (c != self && (!c->transient_for ||
1328                               c->transient_for != OB_TRAN_GROUP))
1329                 c->transients = g_slist_remove(c->transients, self);
1330         }
1331     }
1332     /* If we used to be transient for a single window and we are no longer
1333        transient for it, then we need to remove ourself from its children */
1334     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1335              oldparent != newparent)
1336         oldparent->transients = g_slist_remove(oldparent->transients, self);
1337
1338
1339     /** Re-add the client to the transient tree wherever it has changed **/
1340
1341     /* If we're now transient for a group and we weren't transient for it
1342        before then we need to add ourselves to all our new parents */
1343     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1344                                        oldparent != newparent))
1345     {
1346         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1347             c = it->data;
1348             if (c != self && (!c->transient_for ||
1349                               c->transient_for != OB_TRAN_GROUP))
1350                 c->transients = g_slist_prepend(c->transients, self);
1351         }
1352     }
1353     /* If we are now transient for a single window which we weren't before,
1354        we need to add ourselves to its children
1355
1356        WARNING: Cyclical transient ness is possible if two windows are
1357        transient for eachother.
1358     */
1359     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1360              newparent != oldparent &&
1361              /* don't make ourself its child if it is already our child */
1362              !client_is_direct_child(self, newparent))
1363         newparent->transients = g_slist_prepend(newparent->transients, self);
1364
1365     /* If the group changed then we need to add any new group transient
1366        windows to our children. But if we're transient for the group, then
1367        other group transients are not our children.
1368
1369        WARNING: Cyclical transient-ness is possible. For e.g. if:
1370        A is transient for the group
1371        B is transient for A
1372        C is transient for B
1373        A can't be transient for C or we have a cycle
1374     */
1375     if (oldgroup != newgroup && newgroup != NULL &&
1376         newparent != OB_TRAN_GROUP)
1377     {
1378         for (it = newgroup->members; it; it = g_slist_next(it)) {
1379             c = it->data;
1380             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1381                 /* Don't make it our child if it is already our parent */
1382                 !client_is_direct_child(c, self))
1383             {
1384                 self->transients = g_slist_prepend(self->transients, c);
1385             }
1386         }
1387     }
1388 }
1389
1390 static void client_get_mwm_hints(ObClient *self)
1391 {
1392     guint num;
1393     guint32 *hints;
1394
1395     self->mwmhints.flags = 0; /* default to none */
1396
1397     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1398                     &hints, &num)) {
1399         if (num >= OB_MWM_ELEMENTS) {
1400             self->mwmhints.flags = hints[0];
1401             self->mwmhints.functions = hints[1];
1402             self->mwmhints.decorations = hints[2];
1403         }
1404         g_free(hints);
1405     }
1406 }
1407
1408 void client_get_type_and_transientness(ObClient *self)
1409 {
1410     guint num, i;
1411     guint32 *val;
1412     Window t;
1413
1414     self->type = -1;
1415     self->transient = FALSE;
1416
1417     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1418         /* use the first value that we know about in the array */
1419         for (i = 0; i < num; ++i) {
1420             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1421                 self->type = OB_CLIENT_TYPE_DESKTOP;
1422             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1423                 self->type = OB_CLIENT_TYPE_DOCK;
1424             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1425                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1426             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1427                 self->type = OB_CLIENT_TYPE_MENU;
1428             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1429                 self->type = OB_CLIENT_TYPE_UTILITY;
1430             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1431                 self->type = OB_CLIENT_TYPE_SPLASH;
1432             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1433                 self->type = OB_CLIENT_TYPE_DIALOG;
1434             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1435                 self->type = OB_CLIENT_TYPE_NORMAL;
1436             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1437                 /* prevent this window from getting any decor or
1438                    functionality */
1439                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1440                                          OB_MWM_FLAG_DECORATIONS);
1441                 self->mwmhints.decorations = 0;
1442                 self->mwmhints.functions = 0;
1443             }
1444             if (self->type != (ObClientType) -1)
1445                 break; /* grab the first legit type */
1446         }
1447         g_free(val);
1448     }
1449
1450     if (XGetTransientForHint(ob_display, self->window, &t))
1451         self->transient = TRUE;
1452
1453     if (self->type == (ObClientType) -1) {
1454         /*the window type hint was not set, which means we either classify
1455           ourself as a normal window or a dialog, depending on if we are a
1456           transient. */
1457         if (self->transient)
1458             self->type = OB_CLIENT_TYPE_DIALOG;
1459         else
1460             self->type = OB_CLIENT_TYPE_NORMAL;
1461     }
1462
1463     /* then, based on our type, we can update our transientness.. */
1464     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1465         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1466         self->type == OB_CLIENT_TYPE_MENU ||
1467         self->type == OB_CLIENT_TYPE_UTILITY)
1468     {
1469         self->transient = TRUE;
1470     }
1471 }
1472
1473 void client_update_protocols(ObClient *self)
1474 {
1475     guint32 *proto;
1476     guint num_return, i;
1477
1478     self->focus_notify = FALSE;
1479     self->delete_window = FALSE;
1480
1481     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1482         for (i = 0; i < num_return; ++i) {
1483             if (proto[i] == prop_atoms.wm_delete_window)
1484                 /* this means we can request the window to close */
1485                 self->delete_window = TRUE;
1486             else if (proto[i] == prop_atoms.wm_take_focus)
1487                 /* if this protocol is requested, then the window will be
1488                    notified whenever we want it to receive focus */
1489                 self->focus_notify = TRUE;
1490 #ifdef SYNC
1491             else if (proto[i] == prop_atoms.net_wm_sync_request)
1492                 /* if this protocol is requested, then resizing the
1493                    window will be synchronized between the frame and the
1494                    client */
1495                 self->sync_request = TRUE;
1496 #endif
1497         }
1498         g_free(proto);
1499     }
1500 }
1501
1502 #ifdef SYNC
1503 void client_update_sync_request_counter(ObClient *self)
1504 {
1505     guint32 i;
1506
1507     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1508         self->sync_counter = i;
1509     } else
1510         self->sync_counter = None;
1511 }
1512 #endif
1513
1514 void client_get_colormap(ObClient *self)
1515 {
1516     XWindowAttributes wa;
1517
1518     if (XGetWindowAttributes(ob_display, self->window, &wa))
1519         client_update_colormap(self, wa.colormap);
1520 }
1521
1522 void client_update_colormap(ObClient *self, Colormap colormap)
1523 {
1524     self->colormap = colormap;
1525 }
1526
1527 void client_update_normal_hints(ObClient *self)
1528 {
1529     XSizeHints size;
1530     glong ret;
1531     gint oldgravity = self->gravity;
1532
1533     /* defaults */
1534     self->min_ratio = 0.0f;
1535     self->max_ratio = 0.0f;
1536     SIZE_SET(self->size_inc, 1, 1);
1537     SIZE_SET(self->base_size, 0, 0);
1538     SIZE_SET(self->min_size, 0, 0);
1539     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1540
1541     /* get the hints from the window */
1542     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1543         /* normal windows can't request placement! har har
1544         if (!client_normal(self))
1545         */
1546         self->positioned = (size.flags & (PPosition|USPosition));
1547
1548         if (size.flags & PWinGravity) {
1549             self->gravity = size.win_gravity;
1550
1551             /* if the client has a frame, i.e. has already been mapped and
1552                is changing its gravity */
1553             if (self->frame && self->gravity != oldgravity) {
1554                 /* move our idea of the client's position based on its new
1555                    gravity */
1556                 client_convert_gravity(self, oldgravity,
1557                                        &self->area.x, &self->area.y,
1558                                        self->area.width, self->area.height);
1559             }
1560         }
1561
1562         if (size.flags & PAspect) {
1563             if (size.min_aspect.y)
1564                 self->min_ratio =
1565                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1566             if (size.max_aspect.y)
1567                 self->max_ratio =
1568                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1569         }
1570
1571         if (size.flags & PMinSize)
1572             SIZE_SET(self->min_size, size.min_width, size.min_height);
1573
1574         if (size.flags & PMaxSize)
1575             SIZE_SET(self->max_size, size.max_width, size.max_height);
1576
1577         if (size.flags & PBaseSize)
1578             SIZE_SET(self->base_size, size.base_width, size.base_height);
1579
1580         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1581             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1582     }
1583 }
1584
1585 void client_setup_decor_and_functions(ObClient *self)
1586 {
1587     /* start with everything (cept fullscreen) */
1588     self->decorations =
1589         (OB_FRAME_DECOR_TITLEBAR |
1590          OB_FRAME_DECOR_HANDLE |
1591          OB_FRAME_DECOR_GRIPS |
1592          OB_FRAME_DECOR_BORDER |
1593          OB_FRAME_DECOR_ICON |
1594          OB_FRAME_DECOR_ALLDESKTOPS |
1595          OB_FRAME_DECOR_ICONIFY |
1596          OB_FRAME_DECOR_MAXIMIZE |
1597          OB_FRAME_DECOR_SHADE |
1598          OB_FRAME_DECOR_CLOSE);
1599     self->functions =
1600         (OB_CLIENT_FUNC_RESIZE |
1601          OB_CLIENT_FUNC_MOVE |
1602          OB_CLIENT_FUNC_ICONIFY |
1603          OB_CLIENT_FUNC_MAXIMIZE |
1604          OB_CLIENT_FUNC_SHADE |
1605          OB_CLIENT_FUNC_CLOSE |
1606          OB_CLIENT_FUNC_BELOW |
1607          OB_CLIENT_FUNC_ABOVE |
1608          OB_CLIENT_FUNC_UNDECORATE);
1609
1610     if (!(self->min_size.width < self->max_size.width ||
1611           self->min_size.height < self->max_size.height))
1612         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1613
1614     switch (self->type) {
1615     case OB_CLIENT_TYPE_NORMAL:
1616         /* normal windows retain all of the possible decorations and
1617            functionality, and are the only windows that you can fullscreen */
1618         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1619         break;
1620
1621     case OB_CLIENT_TYPE_DIALOG:
1622     case OB_CLIENT_TYPE_UTILITY:
1623         /* these windows cannot be maximized */
1624         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1625         break;
1626
1627     case OB_CLIENT_TYPE_MENU:
1628     case OB_CLIENT_TYPE_TOOLBAR:
1629         /* these windows get less functionality */
1630         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1631         break;
1632
1633     case OB_CLIENT_TYPE_SPLASH:
1634         /* these don't get get any decorations, and the only thing you can
1635            do with them is move them */
1636         self->decorations = 0;
1637         self->functions = OB_CLIENT_FUNC_MOVE;
1638         break;
1639
1640     case OB_CLIENT_TYPE_DESKTOP:
1641         /* these windows are not manipulated by the window manager */
1642         self->decorations = 0;
1643         self->functions = 0;
1644         break;
1645
1646     case OB_CLIENT_TYPE_DOCK:
1647         /* these windows are not manipulated by the window manager, but they
1648            can set below layer which has a special meaning */
1649         self->decorations = 0;
1650         self->functions = OB_CLIENT_FUNC_BELOW;
1651         break;
1652     }
1653
1654     /* Mwm Hints are applied subtractively to what has already been chosen for
1655        decor and functionality */
1656     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1657         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1658             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1659                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1660             {
1661                 /* if the mwm hints request no handle or title, then all
1662                    decorations are disabled, but keep the border if that's
1663                    specified */
1664                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1665                     self->decorations = OB_FRAME_DECOR_BORDER;
1666                 else
1667                     self->decorations = 0;
1668             }
1669         }
1670     }
1671
1672     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1673         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1674             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1675                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1676             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1677                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1678             /* dont let mwm hints kill any buttons
1679                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1680                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1681                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1682                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1683             */
1684             /* dont let mwm hints kill the close button
1685                if (! (self->mwmhints.functions & MwmFunc_Close))
1686                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1687         }
1688     }
1689
1690     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1691         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1692     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1693         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1694     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1695         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1696
1697     /* can't maximize without moving/resizing */
1698     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1699           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1700           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1701         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1702         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1703     }
1704
1705     if (self->max_horz && self->max_vert) {
1706         /* also can't resize maximized windows.
1707            do this after checking for resize to let you maximize */
1708         self->functions &=~ OB_CLIENT_FUNC_RESIZE;
1709
1710         /* kill the handle on fully maxed windows */
1711         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1712     }
1713
1714     /* If there are no decorations to remove, don't allow the user to try
1715        toggle the state */
1716     if (self->decorations == 0)
1717         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1718
1719     /* finally, the user can have requested no decorations, which overrides
1720        everything (but doesnt give it a border if it doesnt have one) */
1721     if (self->undecorated) {
1722         if (config_theme_keepborder)
1723             self->decorations &= OB_FRAME_DECOR_BORDER;
1724         else
1725             self->decorations = 0;
1726     }
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 (self->frame) {
1743         /* adjust the client's decorations, etc. */
1744         client_reconfigure(self);
1745     }
1746 }
1747
1748 static void client_change_allowed_actions(ObClient *self)
1749 {
1750     gulong actions[12];
1751     gint num = 0;
1752
1753     /* desktop windows are kept on all desktops */
1754     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1755         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1756
1757     if (self->functions & OB_CLIENT_FUNC_SHADE)
1758         actions[num++] = prop_atoms.net_wm_action_shade;
1759     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1760         actions[num++] = prop_atoms.net_wm_action_close;
1761     if (self->functions & OB_CLIENT_FUNC_MOVE)
1762         actions[num++] = prop_atoms.net_wm_action_move;
1763     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1764         actions[num++] = prop_atoms.net_wm_action_minimize;
1765     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1766         actions[num++] = prop_atoms.net_wm_action_resize;
1767     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1768         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1769     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1770         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1771         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1772     }
1773     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1774         actions[num++] = prop_atoms.net_wm_action_above;
1775     if (self->functions & OB_CLIENT_FUNC_BELOW)
1776         actions[num++] = prop_atoms.net_wm_action_below;
1777     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1778         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1779
1780     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1781
1782     /* make sure the window isn't breaking any rules now */
1783
1784     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1785         if (self->frame) client_shade(self, FALSE);
1786         else self->shaded = FALSE;
1787     }
1788     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1789         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1790         else self->iconic = FALSE;
1791     }
1792     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1793         if (self->frame) client_fullscreen(self, FALSE);
1794         else self->fullscreen = FALSE;
1795     }
1796     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1797                                                          self->max_vert)) {
1798         if (self->frame) client_maximize(self, FALSE, 0);
1799         else self->max_vert = self->max_horz = FALSE;
1800     }
1801 }
1802
1803 void client_reconfigure(ObClient *self)
1804 {
1805     /* by making this pass FALSE for user, we avoid the emacs event storm where
1806        every configurenotify causes an update in its normal hints, i think this
1807        is generally what we want anyways... */
1808     client_configure(self, self->area.x, self->area.y,
1809                      self->area.width, self->area.height, FALSE, TRUE);
1810 }
1811
1812 void client_update_wmhints(ObClient *self)
1813 {
1814     XWMHints *hints;
1815
1816     /* assume a window takes input if it doesnt specify */
1817     self->can_focus = TRUE;
1818
1819     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1820         gboolean ur;
1821
1822         if (hints->flags & InputHint)
1823             self->can_focus = hints->input;
1824
1825         /* only do this when first managing the window *AND* when we aren't
1826            starting up! */
1827         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1828             if (hints->flags & StateHint)
1829                 self->iconic = hints->initial_state == IconicState;
1830
1831         ur = self->urgent;
1832         self->urgent = (hints->flags & XUrgencyHint);
1833         if (self->urgent && !ur)
1834             client_hilite(self, TRUE);
1835         else if (!self->urgent && ur && self->demands_attention)
1836             client_hilite(self, FALSE);
1837
1838         if (!(hints->flags & WindowGroupHint))
1839             hints->window_group = None;
1840
1841         /* did the group state change? */
1842         if (hints->window_group !=
1843             (self->group ? self->group->leader : None))
1844         {
1845             ObGroup *oldgroup = self->group;
1846
1847             /* remove from the old group if there was one */
1848             if (self->group != NULL) {
1849                 group_remove(self->group, self);
1850                 self->group = NULL;
1851             }
1852
1853             /* add ourself to the group if we have one */
1854             if (hints->window_group != None) {
1855                 self->group = group_add(hints->window_group, self);
1856             }
1857
1858             /* Put ourselves into the new group's transient tree, and remove
1859                ourselves from the old group's */
1860             client_update_transient_tree(self, oldgroup, self->group,
1861                                          self->transient_for,
1862                                          self->transient_for);
1863
1864             /* Lastly, being in a group, or not, can change if the window is
1865                transient for anything.
1866
1867                The logic for this is:
1868                self->transient = TRUE always if the window wants to be
1869                transient for something, even if transient_for was NULL because
1870                it wasn't in a group before.
1871
1872                If transient_for was NULL and oldgroup was NULL we can assume
1873                that when we add the new group, it will become transient for
1874                something.
1875
1876                If transient_for was OB_TRAN_GROUP, then it must have already
1877                had a group. If it is getting a new group, the above call to
1878                client_update_transient_tree has already taken care of
1879                everything ! If it is losing all group status then it will
1880                no longer be transient for anything and that needs to be
1881                updated.
1882             */
1883             if (self->transient &&
1884                 ((self->transient_for == NULL && oldgroup == NULL) ||
1885                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1886                 client_update_transient_for(self);
1887         }
1888
1889         /* the WM_HINTS can contain an icon */
1890         client_update_icons(self);
1891
1892         XFree(hints);
1893     }
1894 }
1895
1896 void client_update_title(ObClient *self)
1897 {
1898     gchar *data = NULL;
1899     gchar *visible = NULL;
1900
1901     g_free(self->title);
1902
1903     /* try netwm */
1904     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1905         /* try old x stuff */
1906         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1907               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1908             if (self->transient) {
1909                 /*
1910                   GNOME alert windows are not given titles:
1911                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1912                 */
1913                 data = g_strdup("");
1914             } else
1915                 data = g_strdup("Unnamed Window");
1916         }
1917     }
1918
1919     if (self->client_machine) {
1920         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1921         g_free(data);
1922     } else
1923         visible = data;
1924
1925     PROP_SETS(self->window, net_wm_visible_name, visible);
1926     self->title = visible;
1927
1928     if (self->frame)
1929         frame_adjust_title(self->frame);
1930
1931     /* update the icon title */
1932     data = NULL;
1933     g_free(self->icon_title);
1934
1935     /* try netwm */
1936     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1937         /* try old x stuff */
1938         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1939               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1940             data = g_strdup(self->title);
1941
1942     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1943     self->icon_title = data;
1944 }
1945
1946 void client_update_strut(ObClient *self)
1947 {
1948     guint num;
1949     guint32 *data;
1950     gboolean got = FALSE;
1951     StrutPartial strut;
1952
1953     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1954                     &data, &num)) {
1955         if (num == 12) {
1956             got = TRUE;
1957             STRUT_PARTIAL_SET(strut,
1958                               data[0], data[2], data[1], data[3],
1959                               data[4], data[5], data[8], data[9],
1960                               data[6], data[7], data[10], data[11]);
1961         }
1962         g_free(data);
1963     }
1964
1965     if (!got &&
1966         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1967         if (num == 4) {
1968             const Rect *a;
1969
1970             got = TRUE;
1971
1972             /* use the screen's width/height */
1973             a = screen_physical_area();
1974
1975             STRUT_PARTIAL_SET(strut,
1976                               data[0], data[2], data[1], data[3],
1977                               a->y, a->y + a->height - 1,
1978                               a->x, a->x + a->width - 1,
1979                               a->y, a->y + a->height - 1,
1980                               a->x, a->x + a->width - 1);
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++;
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[self->nicons-1].width,
2063                                     &self->icons[self->nicons-1].height,
2064                                     &self->icons[self->nicons-1].data)){
2065                     g_free(&self->icons[self->nicons-1]);
2066                     self->nicons--;
2067                 }
2068                 xerror_set_ignore(FALSE);
2069             }
2070             XFree(hints);
2071         }
2072     }
2073
2074     /* set the default icon onto the window
2075        in theory, this could be a race, but if a window doesn't set an icon
2076        or removes it entirely, it's not very likely it is going to set one
2077        right away afterwards */
2078     if (self->nicons == 0) {
2079         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2080         gulong *data;
2081
2082         data = g_new(gulong, 48*48+2);
2083         data[0] = data[1] =  48;
2084         for (i = 0; i < 48*48; ++i)
2085             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2086                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2087                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2088                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2089         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2090         g_free(data);
2091     } else if (self->frame)
2092         /* don't draw the icon empty if we're just setting one now anyways,
2093            we'll get the property change any second */
2094         frame_adjust_icon(self->frame);
2095 }
2096
2097 void client_update_user_time(ObClient *self)
2098 {
2099     guint32 time;
2100     gboolean got = FALSE;
2101
2102     if (self->user_time_window)
2103         got = PROP_GET32(self->user_time_window,
2104                          net_wm_user_time, cardinal, &time);
2105     if (!got)
2106         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2107
2108     if (got) {
2109         /* we set this every time, not just when it grows, because in practice
2110            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2111            backward we don't want all windows to stop focusing. we'll just
2112            assume noone is setting times older than the last one, cuz that
2113            would be pretty stupid anyways
2114         */
2115         self->user_time = time;
2116
2117         /*ob_debug("window %s user time %u\n", self->title, time);*/
2118     }
2119 }
2120
2121 void client_update_user_time_window(ObClient *self)
2122 {
2123     guint32 w;
2124
2125     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2126         w = None;
2127
2128     if (w != self->user_time_window) {
2129         /* remove the old window */
2130         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2131         self->user_time_window = None;
2132
2133         if (self->group && self->group->leader == w) {
2134             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2135                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2136             /* do it anyways..? */
2137         }
2138         else if (w == self->window) {
2139             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2140                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2141             w = None; /* don't do it */
2142         }
2143
2144         /* add the new window */
2145         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2146         self->user_time_window = w;
2147
2148         /* and update from it */
2149         client_update_user_time(self);
2150     }
2151 }
2152
2153 void client_update_icon_geometry(ObClient *self)
2154 {
2155     guint num;
2156     guint32 *data;
2157
2158     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2159
2160     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2161         && num == 4)
2162     {
2163         /* don't let them set it with an area < 0 */
2164         RECT_SET(self->icon_geometry, data[0], data[1],
2165                  MAX(data[2],0), MAX(data[3],0));
2166     }
2167 }
2168
2169 static void client_get_session_ids(ObClient *self)
2170 {
2171     guint32 leader;
2172     gboolean got;
2173     gchar *s;
2174     gchar **ss;
2175
2176     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2177         leader = None;
2178
2179     /* get the SM_CLIENT_ID */
2180     got = FALSE;
2181     if (leader)
2182         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2183     if (!got)
2184         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2185
2186     /* get the WM_CLASS (name and class). make them "" if they are not
2187        provided */
2188     got = FALSE;
2189     if (leader)
2190         got = PROP_GETSS(leader, wm_class, locale, &ss);
2191     if (!got)
2192         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2193
2194     if (got) {
2195         if (ss[0]) {
2196             self->name = g_strdup(ss[0]);
2197             if (ss[1])
2198                 self->class = g_strdup(ss[1]);
2199         }
2200         g_strfreev(ss);
2201     }
2202
2203     if (self->name == NULL) self->name = g_strdup("");
2204     if (self->class == NULL) self->class = g_strdup("");
2205
2206     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2207     got = FALSE;
2208     if (leader)
2209         got = PROP_GETS(leader, wm_window_role, locale, &s);
2210     if (!got)
2211         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2212
2213     if (got)
2214         self->role = s;
2215     else
2216         self->role = g_strdup("");
2217
2218     /* get the WM_COMMAND */
2219     got = FALSE;
2220
2221     if (leader)
2222         got = PROP_GETSS(leader, wm_command, locale, &ss);
2223     if (!got)
2224         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2225
2226     if (got) {
2227         /* merge/mash them all together */
2228         gchar *merge = NULL;
2229         gint i;
2230
2231         for (i = 0; ss[i]; ++i) {
2232             gchar *tmp = merge;
2233             if (merge)
2234                 merge = g_strconcat(merge, ss[i], NULL);
2235             else
2236                 merge = g_strconcat(ss[i], NULL);
2237             g_free(tmp);
2238         }
2239         g_strfreev(ss);
2240
2241         self->wm_command = merge;
2242     }
2243
2244     /* get the WM_CLIENT_MACHINE */
2245     got = FALSE;
2246     if (leader)
2247         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2248     if (!got)
2249         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2250
2251     if (got) {
2252         gchar localhost[128];
2253
2254         gethostname(localhost, 127);
2255         localhost[127] = '\0';
2256         if (strcmp(localhost, s) != 0)
2257             self->client_machine = s;
2258         else
2259             g_free(s);
2260     }
2261 }
2262
2263 static void client_change_wm_state(ObClient *self)
2264 {
2265     gulong state[2];
2266     glong old;
2267
2268     old = self->wmstate;
2269
2270     if (self->shaded || self->iconic ||
2271         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2272     {
2273         self->wmstate = IconicState;
2274     } else
2275         self->wmstate = NormalState;
2276
2277     if (old != self->wmstate) {
2278         PROP_MSG(self->window, kde_wm_change_state,
2279                  self->wmstate, 1, 0, 0);
2280
2281         state[0] = self->wmstate;
2282         state[1] = None;
2283         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2284     }
2285 }
2286
2287 static void client_change_state(ObClient *self)
2288 {
2289     gulong netstate[11];
2290     guint num;
2291
2292     num = 0;
2293     if (self->modal)
2294         netstate[num++] = prop_atoms.net_wm_state_modal;
2295     if (self->shaded)
2296         netstate[num++] = prop_atoms.net_wm_state_shaded;
2297     if (self->iconic)
2298         netstate[num++] = prop_atoms.net_wm_state_hidden;
2299     if (self->skip_taskbar)
2300         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2301     if (self->skip_pager)
2302         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2303     if (self->fullscreen)
2304         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2305     if (self->max_vert)
2306         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2307     if (self->max_horz)
2308         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2309     if (self->above)
2310         netstate[num++] = prop_atoms.net_wm_state_above;
2311     if (self->below)
2312         netstate[num++] = prop_atoms.net_wm_state_below;
2313     if (self->demands_attention)
2314         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2315     if (self->undecorated)
2316         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2317     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2318
2319     if (self->frame)
2320         frame_adjust_state(self->frame);
2321 }
2322
2323 ObClient *client_search_focus_tree(ObClient *self)
2324 {
2325     GSList *it;
2326     ObClient *ret;
2327
2328     for (it = self->transients; it; it = g_slist_next(it)) {
2329         if (client_focused(it->data)) return it->data;
2330         if ((ret = client_search_focus_tree(it->data))) return ret;
2331     }
2332     return NULL;
2333 }
2334
2335 ObClient *client_search_focus_tree_full(ObClient *self)
2336 {
2337     if (self->transient_for) {
2338         if (self->transient_for != OB_TRAN_GROUP) {
2339             return client_search_focus_tree_full(self->transient_for);
2340         } else {
2341             GSList *it;
2342             gboolean recursed = FALSE;
2343
2344             for (it = self->group->members; it; it = g_slist_next(it))
2345                 if (!((ObClient*)it->data)->transient_for) {
2346                     ObClient *c;
2347                     if ((c = client_search_focus_tree_full(it->data)))
2348                         return c;
2349                     recursed = TRUE;
2350                 }
2351             if (recursed)
2352                 return NULL;
2353         }
2354     }
2355
2356     /* this function checks the whole tree, the client_search_focus_tree~
2357        does not, so we need to check this window */
2358     if (client_focused(self))
2359         return self;
2360     return client_search_focus_tree(self);
2361 }
2362
2363 static ObStackingLayer calc_layer(ObClient *self)
2364 {
2365     ObStackingLayer l;
2366
2367     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2368         l = OB_STACKING_LAYER_DESKTOP;
2369     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2370         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2371         else l = OB_STACKING_LAYER_ABOVE;
2372     }
2373     else if ((self->fullscreen ||
2374               /* No decorations and fills the monitor = oldskool fullscreen.
2375                  But not for undecorated windows, because the user can do that
2376               */
2377               (self->decorations == 0 &&
2378                !self->undecorated &&
2379                RECT_EQUAL(self->area,
2380                           *screen_physical_area_monitor
2381                           (client_monitor(self))))) &&
2382              (client_focused(self) || client_search_focus_tree(self)))
2383         l = OB_STACKING_LAYER_FULLSCREEN;
2384     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2385     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2386     else l = OB_STACKING_LAYER_NORMAL;
2387
2388     return l;
2389 }
2390
2391 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2392                                         ObStackingLayer min)
2393 {
2394     ObStackingLayer old, own;
2395     GSList *it;
2396
2397     old = self->layer;
2398     own = calc_layer(self);
2399     self->layer = MAX(own, min);
2400
2401     if (self->layer != old) {
2402         stacking_remove(CLIENT_AS_WINDOW(self));
2403         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2404     }
2405
2406     for (it = self->transients; it; it = g_slist_next(it))
2407         client_calc_layer_recursive(it->data, orig,
2408                                     self->layer);
2409 }
2410
2411 void client_calc_layer(ObClient *self)
2412 {
2413     ObClient *orig;
2414     GSList *it;
2415
2416     orig = self;
2417
2418     /* transients take on the layer of their parents */
2419     it = client_search_all_top_parents(self);
2420
2421     for (; it; it = g_slist_next(it))
2422         client_calc_layer_recursive(it->data, orig, 0);
2423 }
2424
2425 gboolean client_should_show(ObClient *self)
2426 {
2427     if (self->iconic)
2428         return FALSE;
2429     if (client_normal(self) && screen_showing_desktop)
2430         return FALSE;
2431     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2432         return TRUE;
2433
2434     return FALSE;
2435 }
2436
2437 gboolean client_show(ObClient *self)
2438 {
2439     gboolean show = FALSE;
2440
2441     if (client_should_show(self)) {
2442         frame_show(self->frame);
2443         show = TRUE;
2444     }
2445
2446     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2447        needs to be in IconicState. This includes when it is on another
2448        desktop!
2449     */
2450     client_change_wm_state(self);
2451     return show;
2452 }
2453
2454 gboolean client_hide(ObClient *self)
2455 {
2456     gboolean hide = FALSE;
2457
2458     if (!client_should_show(self)) {
2459         if (self == focus_client) {
2460             /* if there is a grab going on, then we need to cancel it. if we
2461                move focus during the grab, applications will get
2462                NotifyWhileGrabbed events and ignore them !
2463
2464                actions should not rely on being able to move focus during an
2465                interactive grab.
2466             */
2467             if (keyboard_interactively_grabbed())
2468                 keyboard_interactive_cancel();
2469         }
2470
2471         frame_hide(self->frame);
2472         hide = TRUE;
2473     }
2474
2475     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2476        needs to be in IconicState. This includes when it is on another
2477        desktop!
2478     */
2479     client_change_wm_state(self);
2480     return hide;
2481 }
2482
2483 void client_showhide(ObClient *self)
2484 {
2485     if (!client_show(self))
2486         client_hide(self);
2487
2488     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2489        needs to be in IconicState. This includes when it is on another
2490        desktop!
2491     */
2492     client_change_wm_state(self);
2493 }
2494
2495 gboolean client_normal(ObClient *self) {
2496     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2497               self->type == OB_CLIENT_TYPE_DOCK ||
2498               self->type == OB_CLIENT_TYPE_SPLASH);
2499 }
2500
2501 gboolean client_helper(ObClient *self)
2502 {
2503     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2504             self->type == OB_CLIENT_TYPE_MENU ||
2505             self->type == OB_CLIENT_TYPE_TOOLBAR);
2506 }
2507
2508 gboolean client_mouse_focusable(ObClient *self)
2509 {
2510     return !(self->type == OB_CLIENT_TYPE_MENU ||
2511              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2512              self->type == OB_CLIENT_TYPE_SPLASH ||
2513              self->type == OB_CLIENT_TYPE_DOCK);
2514 }
2515
2516 gboolean client_enter_focusable(ObClient *self)
2517 {
2518     /* you can focus desktops but it shouldn't on enter */
2519     return (client_mouse_focusable(self) &&
2520             self->type != OB_CLIENT_TYPE_DESKTOP);
2521 }
2522
2523
2524 static void client_apply_startup_state(ObClient *self)
2525 {
2526     /* set the desktop hint, to make sure that it always exists */
2527     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2528
2529     /* these are in a carefully crafted order.. */
2530
2531     if (self->iconic) {
2532         self->iconic = FALSE;
2533         client_iconify(self, TRUE, FALSE, TRUE);
2534     }
2535     if (self->fullscreen) {
2536         self->fullscreen = FALSE;
2537         client_fullscreen(self, TRUE);
2538     }
2539     if (self->undecorated) {
2540         self->undecorated = FALSE;
2541         client_set_undecorated(self, TRUE);
2542     }
2543     if (self->shaded) {
2544         self->shaded = FALSE;
2545         client_shade(self, TRUE);
2546     }
2547     if (self->demands_attention) {
2548         self->demands_attention = FALSE;
2549         client_hilite(self, TRUE);
2550     }
2551
2552     if (self->max_vert && self->max_horz) {
2553         self->max_vert = self->max_horz = FALSE;
2554         client_maximize(self, TRUE, 0);
2555     } else if (self->max_vert) {
2556         self->max_vert = FALSE;
2557         client_maximize(self, TRUE, 2);
2558     } else if (self->max_horz) {
2559         self->max_horz = FALSE;
2560         client_maximize(self, TRUE, 1);
2561     }
2562
2563     /* nothing to do for the other states:
2564        skip_taskbar
2565        skip_pager
2566        modal
2567        above
2568        below
2569     */
2570 }
2571
2572 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2573                             gint w, gint h)
2574 {
2575     gint oldg = self->gravity;
2576
2577     /* get the frame's position from the requested stuff */
2578     self->gravity = gravity;
2579     frame_client_gravity(self->frame, x, y, w, h);
2580     self->gravity = oldg;
2581
2582     /* get the client's position in its true gravity from that */
2583     frame_frame_gravity(self->frame, x, y, w, h);
2584 }
2585
2586 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2587                           gint *logicalw, gint *logicalh,
2588                           gboolean user)
2589 {
2590     Rect desired_area = {*x, *y, *w, *h};
2591
2592     /* make the frame recalculate its dimentions n shit without changing
2593        anything visible for real, this way the constraints below can work with
2594        the updated frame dimensions. */
2595     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2596
2597     /* work within the prefered sizes given by the window */
2598     if (!(*w == self->area.width && *h == self->area.height)) {
2599         gint basew, baseh, minw, minh;
2600
2601         /* base size is substituted with min size if not specified */
2602         if (self->base_size.width || self->base_size.height) {
2603             basew = self->base_size.width;
2604             baseh = self->base_size.height;
2605         } else {
2606             basew = self->min_size.width;
2607             baseh = self->min_size.height;
2608         }
2609         /* min size is substituted with base size if not specified */
2610         if (self->min_size.width || self->min_size.height) {
2611             minw = self->min_size.width;
2612             minh = self->min_size.height;
2613         } else {
2614             minw = self->base_size.width;
2615             minh = self->base_size.height;
2616         }
2617
2618         /* if this is a user-requested resize, then check against min/max
2619            sizes */
2620
2621         /* smaller than min size or bigger than max size? */
2622         if (*w > self->max_size.width) *w = self->max_size.width;
2623         if (*w < minw) *w = minw;
2624         if (*h > self->max_size.height) *h = self->max_size.height;
2625         if (*h < minh) *h = minh;
2626
2627         *w -= basew;
2628         *h -= baseh;
2629
2630         /* keep to the increments */
2631         *w /= self->size_inc.width;
2632         *h /= self->size_inc.height;
2633
2634         /* you cannot resize to nothing */
2635         if (basew + *w < 1) *w = 1 - basew;
2636         if (baseh + *h < 1) *h = 1 - baseh;
2637
2638         /* save the logical size */
2639         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2640         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2641
2642         *w *= self->size_inc.width;
2643         *h *= self->size_inc.height;
2644
2645         *w += basew;
2646         *h += baseh;
2647
2648         /* adjust the height to match the width for the aspect ratios.
2649            for this, min size is not substituted for base size ever. */
2650         *w -= self->base_size.width;
2651         *h -= self->base_size.height;
2652
2653         if (!self->fullscreen) {
2654             if (self->min_ratio)
2655                 if (*h * self->min_ratio > *w) {
2656                     *h = (gint)(*w / self->min_ratio);
2657
2658                     /* you cannot resize to nothing */
2659                     if (*h < 1) {
2660                         *h = 1;
2661                         *w = (gint)(*h * self->min_ratio);
2662                     }
2663                 }
2664             if (self->max_ratio)
2665                 if (*h * self->max_ratio < *w) {
2666                     *h = (gint)(*w / self->max_ratio);
2667
2668                     /* you cannot resize to nothing */
2669                     if (*h < 1) {
2670                         *h = 1;
2671                         *w = (gint)(*h * self->min_ratio);
2672                     }
2673                 }
2674         }
2675
2676         *w += self->base_size.width;
2677         *h += self->base_size.height;
2678     }
2679
2680     /* gets the frame's position */
2681     frame_client_gravity(self->frame, x, y, *w, *h);
2682
2683     /* these positions are frame positions, not client positions */
2684
2685     /* set the size and position if fullscreen */
2686     if (self->fullscreen) {
2687         Rect *a;
2688         guint i;
2689
2690         i = screen_find_monitor(&desired_area);
2691         a = screen_physical_area_monitor(i);
2692
2693         *x = a->x;
2694         *y = a->y;
2695         *w = a->width;
2696         *h = a->height;
2697
2698         user = FALSE; /* ignore if the client can't be moved/resized when it
2699                          is entering fullscreen */
2700     } else if (self->max_horz || self->max_vert) {
2701         Rect *a;
2702         guint i;
2703
2704         i = screen_find_monitor(&desired_area);
2705         a = screen_area_monitor(self->desktop, i);
2706
2707         /* set the size and position if maximized */
2708         if (self->max_horz) {
2709             *x = a->x;
2710             *w = a->width - self->frame->size.left - self->frame->size.right;
2711         }
2712         if (self->max_vert) {
2713             *y = a->y;
2714             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2715         }
2716
2717         /* maximizing is not allowed if the user can't move+resize the window
2718          */
2719     }
2720
2721     /* gets the client's position */
2722     frame_frame_gravity(self->frame, x, y, *w, *h);
2723
2724     /* these override the above states! if you cant move you can't move! */
2725     if (user) {
2726         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2727             *x = self->area.x;
2728             *y = self->area.y;
2729         }
2730         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2731             *w = self->area.width;
2732             *h = self->area.height;
2733         }
2734     }
2735
2736     g_assert(*w > 0);
2737     g_assert(*h > 0);
2738 }
2739
2740
2741 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2742                       gboolean user, gboolean final)
2743 {
2744     gint oldw, oldh;
2745     gboolean send_resize_client;
2746     gboolean moved = FALSE, resized = FALSE;
2747     gboolean fmoved, fresized;
2748     guint fdecor = self->frame->decorations;
2749     gboolean fhorz = self->frame->max_horz;
2750     gboolean fvert = self->frame->max_vert;
2751     gint logicalw, logicalh;
2752
2753     /* find the new x, y, width, and height (and logical size) */
2754     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2755
2756     /* set the logical size if things changed */
2757     if (!(w == self->area.width && h == self->area.height))
2758         SIZE_SET(self->logical_size, logicalw, logicalh);
2759
2760     /* figure out if we moved or resized or what */
2761     moved = x != self->area.x || y != self->area.y;
2762     resized = w != self->area.width || h != self->area.height;
2763
2764     oldw = self->area.width;
2765     oldh = self->area.height;
2766     RECT_SET(self->area, x, y, w, h);
2767
2768     /* for app-requested resizes, always resize if 'resized' is true.
2769        for user-requested ones, only resize if final is true, or when
2770        resizing in redraw mode */
2771     send_resize_client = ((!user && resized) ||
2772                           (user && (final ||
2773                                     (resized && config_resize_redraw))));
2774
2775     /* if the client is enlarging, then resize the client before the frame */
2776     if (send_resize_client && (w > oldw || h > oldh)) {
2777         XResizeWindow(ob_display, self->window,
2778                       MAX(w, oldw), MAX(h, oldh));
2779         /* resize the plate to show the client padding color underneath */
2780         frame_adjust_client_area(self->frame);
2781     }
2782
2783     /* find the frame's dimensions and move/resize it */
2784     fmoved = moved;
2785     fresized = resized;
2786     if (self->decorations != fdecor ||
2787         self->max_horz != fhorz || self->max_vert != fvert)
2788     {
2789         fmoved = fresized = TRUE;
2790     }
2791     if (fmoved || fresized)
2792         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2793
2794     if ((!user || (user && final)) && !resized)
2795     {
2796         XEvent event;
2797
2798         POINT_SET(self->root_pos,
2799                   self->frame->area.x + self->frame->size.left -
2800                   self->border_width,
2801                   self->frame->area.y + self->frame->size.top -
2802                   self->border_width);
2803
2804         event.type = ConfigureNotify;
2805         event.xconfigure.display = ob_display;
2806         event.xconfigure.event = self->window;
2807         event.xconfigure.window = self->window;
2808
2809         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2810                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2811
2812         /* root window real coords */
2813         event.xconfigure.x = self->root_pos.x;
2814         event.xconfigure.y = self->root_pos.y;
2815         event.xconfigure.width = w;
2816         event.xconfigure.height = h;
2817         event.xconfigure.border_width = 0;
2818         event.xconfigure.above = self->frame->plate;
2819         event.xconfigure.override_redirect = FALSE;
2820         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2821                    FALSE, StructureNotifyMask, &event);
2822     }
2823
2824     /* if the client is shrinking, then resize the frame before the client */
2825     if (send_resize_client && (w <= oldw || h <= oldh)) {
2826         /* resize the plate to show the client padding color underneath */
2827         frame_adjust_client_area(self->frame);
2828
2829         if (send_resize_client)
2830             XResizeWindow(ob_display, self->window, w, h);
2831     }
2832
2833     XFlush(ob_display);
2834 }
2835
2836 void client_fullscreen(ObClient *self, gboolean fs)
2837 {
2838     gint x, y, w, h;
2839
2840     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2841         self->fullscreen == fs) return;                   /* already done */
2842
2843     self->fullscreen = fs;
2844     client_change_state(self); /* change the state hints on the client */
2845
2846     if (fs) {
2847         self->pre_fullscreen_area = self->area;
2848         /* if the window is maximized, its area isn't all that meaningful.
2849            save it's premax area instead. */
2850         if (self->max_horz) {
2851             self->pre_fullscreen_area.x = self->pre_max_area.x;
2852             self->pre_fullscreen_area.width = self->pre_max_area.width;
2853         }
2854         if (self->max_vert) {
2855             self->pre_fullscreen_area.y = self->pre_max_area.y;
2856             self->pre_fullscreen_area.height = self->pre_max_area.height;
2857         }
2858
2859         /* these will help configure_full figure out where to fullscreen
2860            the window */
2861         x = self->area.x;
2862         y = self->area.y;
2863         w = self->area.width;
2864         h = self->area.height;
2865     } else {
2866         g_assert(self->pre_fullscreen_area.width > 0 &&
2867                  self->pre_fullscreen_area.height > 0);
2868
2869         x = self->pre_fullscreen_area.x;
2870         y = self->pre_fullscreen_area.y;
2871         w = self->pre_fullscreen_area.width;
2872         h = self->pre_fullscreen_area.height;
2873         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2874     }
2875
2876     client_setup_decor_and_functions(self);
2877
2878     client_move_resize(self, x, y, w, h);
2879
2880     /* and adjust our layer/stacking. do this after resizing the window,
2881        and applying decorations, because windows which fill the screen are
2882        considered "fullscreen" and it affects their layer */
2883     client_calc_layer(self);
2884
2885     if (fs) {
2886         /* try focus us when we go into fullscreen mode */
2887         client_focus(self);
2888     }
2889 }
2890
2891 static void client_iconify_recursive(ObClient *self,
2892                                      gboolean iconic, gboolean curdesk,
2893                                      gboolean hide_animation)
2894 {
2895     GSList *it;
2896     gboolean changed = FALSE;
2897
2898
2899     if (self->iconic != iconic) {
2900         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2901                  self->window);
2902
2903         if (iconic) {
2904             /* don't let non-normal windows iconify along with their parents
2905                or whatever */
2906             if (client_normal(self)) {
2907                 self->iconic = iconic;
2908
2909                 /* update the focus lists.. iconic windows go to the bottom of
2910                    the list, put the new iconic window at the 'top of the
2911                    bottom'. */
2912                 focus_order_to_top(self);
2913
2914                 changed = TRUE;
2915             }
2916         } else {
2917             self->iconic = iconic;
2918
2919             if (curdesk && self->desktop != screen_desktop &&
2920                 self->desktop != DESKTOP_ALL)
2921                 client_set_desktop(self, screen_desktop, FALSE);
2922
2923             /* this puts it after the current focused window */
2924             focus_order_remove(self);
2925             focus_order_add_new(self);
2926
2927             changed = TRUE;
2928         }
2929     }
2930
2931     if (changed) {
2932         client_change_state(self);
2933         if (config_animate_iconify && !hide_animation)
2934             frame_begin_iconify_animation(self->frame, iconic);
2935         /* do this after starting the animation so it doesn't flash */
2936         client_showhide(self);
2937     }
2938
2939     /* iconify all direct transients, and deiconify all transients
2940        (non-direct too) */
2941     for (it = self->transients; it; it = g_slist_next(it))
2942         if (it->data != self)
2943             if (client_is_direct_child(self, it->data) || !iconic)
2944                 client_iconify_recursive(it->data, iconic, curdesk,
2945                                          hide_animation);
2946 }
2947
2948 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2949                     gboolean hide_animation)
2950 {
2951     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2952         /* move up the transient chain as far as possible first */
2953         self = client_search_top_normal_parent(self);
2954         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2955     }
2956 }
2957
2958 void client_maximize(ObClient *self, gboolean max, gint dir)
2959 {
2960     gint x, y, w, h;
2961
2962     g_assert(dir == 0 || dir == 1 || dir == 2);
2963     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2964
2965     /* check if already done */
2966     if (max) {
2967         if (dir == 0 && self->max_horz && self->max_vert) return;
2968         if (dir == 1 && self->max_horz) return;
2969         if (dir == 2 && self->max_vert) return;
2970     } else {
2971         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2972         if (dir == 1 && !self->max_horz) return;
2973         if (dir == 2 && !self->max_vert) return;
2974     }
2975
2976     /* these will help configure_full figure out which screen to fill with
2977        the window */
2978     x = self->area.x;
2979     y = self->area.y;
2980     w = self->area.width;
2981     h = self->area.height;
2982
2983     if (max) {
2984         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2985             RECT_SET(self->pre_max_area,
2986                      self->area.x, self->pre_max_area.y,
2987                      self->area.width, self->pre_max_area.height);
2988         }
2989         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2990             RECT_SET(self->pre_max_area,
2991                      self->pre_max_area.x, self->area.y,
2992                      self->pre_max_area.width, self->area.height);
2993         }
2994     } else {
2995         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2996             g_assert(self->pre_max_area.width > 0);
2997
2998             x = self->pre_max_area.x;
2999             w = self->pre_max_area.width;
3000
3001             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3002                      0, self->pre_max_area.height);
3003         }
3004         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3005             g_assert(self->pre_max_area.height > 0);
3006
3007             y = self->pre_max_area.y;
3008             h = self->pre_max_area.height;
3009
3010             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3011                      self->pre_max_area.width, 0);
3012         }
3013     }
3014
3015     if (dir == 0 || dir == 1) /* horz */
3016         self->max_horz = max;
3017     if (dir == 0 || dir == 2) /* vert */
3018         self->max_vert = max;
3019
3020     client_change_state(self); /* change the state hints on the client */
3021
3022     client_setup_decor_and_functions(self);
3023
3024     client_move_resize(self, x, y, w, h);
3025 }
3026
3027 void client_shade(ObClient *self, gboolean shade)
3028 {
3029     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3030          shade) ||                         /* can't shade */
3031         self->shaded == shade) return;     /* already done */
3032
3033     self->shaded = shade;
3034     client_change_state(self);
3035     client_change_wm_state(self); /* the window is being hidden/shown */
3036     /* resize the frame to just the titlebar */
3037     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3038 }
3039
3040 void client_close(ObClient *self)
3041 {
3042     XEvent ce;
3043
3044     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3045
3046     /* in the case that the client provides no means to requesting that it
3047        close, we just kill it */
3048     if (!self->delete_window)
3049         client_kill(self);
3050
3051     /*
3052       XXX: itd be cool to do timeouts and shit here for killing the client's
3053       process off
3054       like... if the window is around after 5 seconds, then the close button
3055       turns a nice red, and if this function is called again, the client is
3056       explicitly killed.
3057     */
3058
3059     ce.xclient.type = ClientMessage;
3060     ce.xclient.message_type =  prop_atoms.wm_protocols;
3061     ce.xclient.display = ob_display;
3062     ce.xclient.window = self->window;
3063     ce.xclient.format = 32;
3064     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3065     ce.xclient.data.l[1] = event_curtime;
3066     ce.xclient.data.l[2] = 0l;
3067     ce.xclient.data.l[3] = 0l;
3068     ce.xclient.data.l[4] = 0l;
3069     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3070 }
3071
3072 void client_kill(ObClient *self)
3073 {
3074     XKillClient(ob_display, self->window);
3075 }
3076
3077 void client_hilite(ObClient *self, gboolean hilite)
3078 {
3079     if (self->demands_attention == hilite)
3080         return; /* no change */
3081
3082     /* don't allow focused windows to hilite */
3083     self->demands_attention = hilite && !client_focused(self);
3084     if (self->frame != NULL) { /* if we're mapping, just set the state */
3085         if (self->demands_attention)
3086             frame_flash_start(self->frame);
3087         else
3088             frame_flash_stop(self->frame);
3089         client_change_state(self);
3090     }
3091 }
3092
3093 void client_set_desktop_recursive(ObClient *self,
3094                                   guint target,
3095                                   gboolean donthide)
3096 {
3097     guint old;
3098     GSList *it;
3099
3100     if (target != self->desktop) {
3101
3102         ob_debug("Setting desktop %u\n", target+1);
3103
3104         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3105
3106         old = self->desktop;
3107         self->desktop = target;
3108         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3109         /* the frame can display the current desktop state */
3110         frame_adjust_state(self->frame);
3111         /* 'move' the window to the new desktop */
3112         if (!donthide)
3113             client_showhide(self);
3114         /* raise if it was not already on the desktop */
3115         if (old != DESKTOP_ALL)
3116             stacking_raise(CLIENT_AS_WINDOW(self));
3117         if (STRUT_EXISTS(self->strut))
3118             screen_update_areas();
3119     }
3120
3121     /* move all transients */
3122     for (it = self->transients; it; it = g_slist_next(it))
3123         if (it->data != self)
3124             if (client_is_direct_child(self, it->data))
3125                 client_set_desktop_recursive(it->data, target, donthide);
3126 }
3127
3128 void client_set_desktop(ObClient *self, guint target,
3129                         gboolean donthide)
3130 {
3131     self = client_search_top_normal_parent(self);
3132     client_set_desktop_recursive(self, target, donthide);
3133 }
3134
3135 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3136 {
3137     while (child != parent &&
3138            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3139         child = child->transient_for;
3140     return child == parent;
3141 }
3142
3143 ObClient *client_search_modal_child(ObClient *self)
3144 {
3145     GSList *it;
3146     ObClient *ret;
3147
3148     for (it = self->transients; it; it = g_slist_next(it)) {
3149         ObClient *c = it->data;
3150         if ((ret = client_search_modal_child(c))) return ret;
3151         if (c->modal) return c;
3152     }
3153     return NULL;
3154 }
3155
3156 gboolean client_validate(ObClient *self)
3157 {
3158     XEvent e;
3159
3160     XSync(ob_display, FALSE); /* get all events on the server */
3161
3162     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3163         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3164         XPutBackEvent(ob_display, &e);
3165         return FALSE;
3166     }
3167
3168     return TRUE;
3169 }
3170
3171 void client_set_wm_state(ObClient *self, glong state)
3172 {
3173     if (state == self->wmstate) return; /* no change */
3174
3175     switch (state) {
3176     case IconicState:
3177         client_iconify(self, TRUE, TRUE, FALSE);
3178         break;
3179     case NormalState:
3180         client_iconify(self, FALSE, TRUE, FALSE);
3181         break;
3182     }
3183 }
3184
3185 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3186 {
3187     gboolean shaded = self->shaded;
3188     gboolean fullscreen = self->fullscreen;
3189     gboolean undecorated = self->undecorated;
3190     gboolean max_horz = self->max_horz;
3191     gboolean max_vert = self->max_vert;
3192     gboolean modal = self->modal;
3193     gboolean iconic = self->iconic;
3194     gboolean demands_attention = self->demands_attention;
3195     gboolean above = self->above;
3196     gboolean below = self->below;
3197     gint i;
3198
3199     if (!(action == prop_atoms.net_wm_state_add ||
3200           action == prop_atoms.net_wm_state_remove ||
3201           action == prop_atoms.net_wm_state_toggle))
3202         /* an invalid action was passed to the client message, ignore it */
3203         return;
3204
3205     for (i = 0; i < 2; ++i) {
3206         Atom state = i == 0 ? data1 : data2;
3207
3208         if (!state) continue;
3209
3210         /* if toggling, then pick whether we're adding or removing */
3211         if (action == prop_atoms.net_wm_state_toggle) {
3212             if (state == prop_atoms.net_wm_state_modal)
3213                 action = modal ? prop_atoms.net_wm_state_remove :
3214                     prop_atoms.net_wm_state_add;
3215             else if (state == prop_atoms.net_wm_state_maximized_vert)
3216                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3217                     prop_atoms.net_wm_state_add;
3218             else if (state == prop_atoms.net_wm_state_maximized_horz)
3219                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3220                     prop_atoms.net_wm_state_add;
3221             else if (state == prop_atoms.net_wm_state_shaded)
3222                 action = shaded ? prop_atoms.net_wm_state_remove :
3223                     prop_atoms.net_wm_state_add;
3224             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3225                 action = self->skip_taskbar ?
3226                     prop_atoms.net_wm_state_remove :
3227                     prop_atoms.net_wm_state_add;
3228             else if (state == prop_atoms.net_wm_state_skip_pager)
3229                 action = self->skip_pager ?
3230                     prop_atoms.net_wm_state_remove :
3231                     prop_atoms.net_wm_state_add;
3232             else if (state == prop_atoms.net_wm_state_hidden)
3233                 action = self->iconic ?
3234                     prop_atoms.net_wm_state_remove :
3235                     prop_atoms.net_wm_state_add;
3236             else if (state == prop_atoms.net_wm_state_fullscreen)
3237                 action = fullscreen ?
3238                     prop_atoms.net_wm_state_remove :
3239                     prop_atoms.net_wm_state_add;
3240             else if (state == prop_atoms.net_wm_state_above)
3241                 action = self->above ? prop_atoms.net_wm_state_remove :
3242                     prop_atoms.net_wm_state_add;
3243             else if (state == prop_atoms.net_wm_state_below)
3244                 action = self->below ? prop_atoms.net_wm_state_remove :
3245                     prop_atoms.net_wm_state_add;
3246             else if (state == prop_atoms.net_wm_state_demands_attention)
3247                 action = self->demands_attention ?
3248                     prop_atoms.net_wm_state_remove :
3249                     prop_atoms.net_wm_state_add;
3250             else if (state == prop_atoms.ob_wm_state_undecorated)
3251                 action = undecorated ? prop_atoms.net_wm_state_remove :
3252                     prop_atoms.net_wm_state_add;
3253         }
3254
3255         if (action == prop_atoms.net_wm_state_add) {
3256             if (state == prop_atoms.net_wm_state_modal) {
3257                 modal = TRUE;
3258             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3259                 max_vert = TRUE;
3260             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3261                 max_horz = TRUE;
3262             } else if (state == prop_atoms.net_wm_state_shaded) {
3263                 shaded = TRUE;
3264             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3265                 self->skip_taskbar = TRUE;
3266             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3267                 self->skip_pager = TRUE;
3268             } else if (state == prop_atoms.net_wm_state_hidden) {
3269                 iconic = TRUE;
3270             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3271                 fullscreen = TRUE;
3272             } else if (state == prop_atoms.net_wm_state_above) {
3273                 above = TRUE;
3274                 below = FALSE;
3275             } else if (state == prop_atoms.net_wm_state_below) {
3276                 above = FALSE;
3277                 below = TRUE;
3278             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3279                 demands_attention = TRUE;
3280             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3281                 undecorated = TRUE;
3282             }
3283
3284         } else { /* action == prop_atoms.net_wm_state_remove */
3285             if (state == prop_atoms.net_wm_state_modal) {
3286                 modal = FALSE;
3287             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3288                 max_vert = FALSE;
3289             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3290                 max_horz = FALSE;
3291             } else if (state == prop_atoms.net_wm_state_shaded) {
3292                 shaded = FALSE;
3293             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3294                 self->skip_taskbar = FALSE;
3295             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3296                 self->skip_pager = FALSE;
3297             } else if (state == prop_atoms.net_wm_state_hidden) {
3298                 iconic = FALSE;
3299             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3300                 fullscreen = FALSE;
3301             } else if (state == prop_atoms.net_wm_state_above) {
3302                 above = FALSE;
3303             } else if (state == prop_atoms.net_wm_state_below) {
3304                 below = FALSE;
3305             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3306                 demands_attention = FALSE;
3307             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3308                 undecorated = FALSE;
3309             }
3310         }
3311     }
3312
3313     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3314         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3315             /* toggling both */
3316             if (max_horz == max_vert) { /* both going the same way */
3317                 client_maximize(self, max_horz, 0);
3318             } else {
3319                 client_maximize(self, max_horz, 1);
3320                 client_maximize(self, max_vert, 2);
3321             }
3322         } else {
3323             /* toggling one */
3324             if (max_horz != self->max_horz)
3325                 client_maximize(self, max_horz, 1);
3326             else
3327                 client_maximize(self, max_vert, 2);
3328         }
3329     }
3330     /* change fullscreen state before shading, as it will affect if the window
3331        can shade or not */
3332     if (fullscreen != self->fullscreen)
3333         client_fullscreen(self, fullscreen);
3334     if (shaded != self->shaded)
3335         client_shade(self, shaded);
3336     if (undecorated != self->undecorated)
3337         client_set_undecorated(self, undecorated);
3338     if (above != self->above || below != self->below) {
3339         self->above = above;
3340         self->below = below;
3341         client_calc_layer(self);
3342     }
3343
3344     if (modal != self->modal) {
3345         self->modal = modal;
3346         /* when a window changes modality, then its stacking order with its
3347            transients needs to change */
3348         stacking_raise(CLIENT_AS_WINDOW(self));
3349
3350         /* it also may get focused. if something is focused that shouldn't
3351            be focused anymore, then move the focus */
3352         if (focus_client && client_focus_target(focus_client) != focus_client)
3353             client_focus(focus_client);
3354     }
3355
3356     if (iconic != self->iconic)
3357         client_iconify(self, iconic, FALSE, FALSE);
3358
3359     if (demands_attention != self->demands_attention)
3360         client_hilite(self, demands_attention);
3361
3362     client_change_state(self); /* change the hint to reflect these changes */
3363 }
3364
3365 ObClient *client_focus_target(ObClient *self)
3366 {
3367     ObClient *child = NULL;
3368
3369     child = client_search_modal_child(self);
3370     if (child) return child;
3371     return self;
3372 }
3373
3374 gboolean client_can_focus(ObClient *self)
3375 {
3376     /* choose the correct target */
3377     self = client_focus_target(self);
3378
3379     if (!self->frame->visible)
3380         return FALSE;
3381
3382     if (!(self->can_focus || self->focus_notify))
3383         return FALSE;
3384
3385     return TRUE;
3386 }
3387
3388 gboolean client_focus(ObClient *self)
3389 {
3390     /* choose the correct target */
3391     self = client_focus_target(self);
3392
3393     if (!client_can_focus(self)) {
3394         if (!self->frame->visible) {
3395             /* update the focus lists */
3396             focus_order_to_top(self);
3397         }
3398         return FALSE;
3399     }
3400
3401     ob_debug_type(OB_DEBUG_FOCUS,
3402                   "Focusing client \"%s\" at time %u\n",
3403                   self->title, event_curtime);
3404
3405     /* if there is a grab going on, then we need to cancel it. if we move
3406        focus during the grab, applications will get NotifyWhileGrabbed events
3407        and ignore them !
3408
3409        actions should not rely on being able to move focus during an
3410        interactive grab.
3411     */
3412     if (keyboard_interactively_grabbed())
3413         keyboard_interactive_cancel();
3414
3415     xerror_set_ignore(TRUE);
3416     xerror_occured = FALSE;
3417
3418     if (self->can_focus) {
3419         /* This can cause a BadMatch error with CurrentTime, or if an app
3420            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3421         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3422                        event_curtime);
3423     }
3424
3425     if (self->focus_notify) {
3426         XEvent ce;
3427         ce.xclient.type = ClientMessage;
3428         ce.xclient.message_type = prop_atoms.wm_protocols;
3429         ce.xclient.display = ob_display;
3430         ce.xclient.window = self->window;
3431         ce.xclient.format = 32;
3432         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3433         ce.xclient.data.l[1] = event_curtime;
3434         ce.xclient.data.l[2] = 0l;
3435         ce.xclient.data.l[3] = 0l;
3436         ce.xclient.data.l[4] = 0l;
3437         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3438     }
3439
3440     xerror_set_ignore(FALSE);
3441
3442     return !xerror_occured;
3443 }
3444
3445 /*! Present the client to the user.
3446   @param raise If the client should be raised or not. You should only set
3447                raise to false if you don't care if the window is completely
3448                hidden.
3449 */
3450 static void client_present(ObClient *self, gboolean here, gboolean raise)
3451 {
3452     /* if using focus_delay, stop the timer now so that focus doesn't
3453        go moving on us */
3454     event_halt_focus_delay();
3455
3456     if (client_normal(self) && screen_showing_desktop)
3457         screen_show_desktop(FALSE, self);
3458     if (self->iconic)
3459         client_iconify(self, FALSE, here, FALSE);
3460     if (self->desktop != DESKTOP_ALL &&
3461         self->desktop != screen_desktop)
3462     {
3463         if (here)
3464             client_set_desktop(self, screen_desktop, FALSE);
3465         else
3466             screen_set_desktop(self->desktop, FALSE);
3467     } else if (!self->frame->visible)
3468         /* if its not visible for other reasons, then don't mess
3469            with it */
3470         return;
3471     if (self->shaded)
3472         client_shade(self, FALSE);
3473     if (raise)
3474         stacking_raise(CLIENT_AS_WINDOW(self));
3475
3476     client_focus(self);
3477 }
3478
3479 void client_activate(ObClient *self, gboolean here, gboolean user)
3480 {
3481     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3482     gboolean allow = FALSE;
3483
3484     /* if the request came from the user, or if nothing is focused, then grant
3485        the request.
3486        if the currently focused app doesn't set a user_time, then it can't
3487        benefit from any focus stealing prevention.
3488     */
3489     if (user || !focus_client || !last_time)
3490         allow = TRUE;
3491     /* otherwise, if they didn't give a time stamp or if it is too old, they
3492        don't get focus */
3493     else
3494         allow = event_curtime && event_time_after(event_curtime, last_time);
3495
3496     ob_debug_type(OB_DEBUG_FOCUS,
3497                   "Want to activate window 0x%x with time %u (last time %u), "
3498                   "source=%s allowing? %d\n",
3499                   self->window, event_curtime, last_time,
3500                   (user ? "user" : "application"), allow);
3501
3502     if (allow)
3503         client_present(self, here, TRUE);
3504     else
3505         /* don't focus it but tell the user it wants attention */
3506         client_hilite(self, TRUE);
3507 }
3508
3509 static void client_bring_helper_windows_recursive(ObClient *self,
3510                                                   guint desktop)
3511 {
3512     GSList *it;
3513
3514     for (it = self->transients; it; it = g_slist_next(it))
3515         client_bring_helper_windows_recursive(it->data, desktop);
3516
3517     if (client_helper(self) &&
3518         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3519     {
3520         client_set_desktop(self, desktop, FALSE);
3521     }
3522 }
3523
3524 void client_bring_helper_windows(ObClient *self)
3525 {
3526     client_bring_helper_windows_recursive(self, self->desktop);
3527 }
3528
3529 gboolean client_focused(ObClient *self)
3530 {
3531     return self == focus_client;
3532 }
3533
3534 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3535 {
3536     guint i;
3537     gulong min_diff, min_i;
3538
3539     if (!self->nicons) {
3540         ObClientIcon *parent = NULL;
3541
3542         if (self->transient_for) {
3543             if (self->transient_for != OB_TRAN_GROUP)
3544                 parent = client_icon_recursive(self->transient_for, w, h);
3545             else {
3546                 GSList *it;
3547                 for (it = self->group->members; it; it = g_slist_next(it)) {
3548                     ObClient *c = it->data;
3549                     if (c != self && !c->transient_for) {
3550                         if ((parent = client_icon_recursive(c, w, h)))
3551                             break;
3552                     }
3553                 }
3554             }
3555         }
3556
3557         return parent;
3558     }
3559
3560     /* some kind of crappy approximation to find the icon closest in size to
3561        what we requested, but icons are generally all the same ratio as
3562        eachother so it's good enough. */
3563
3564     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3565     min_i = 0;
3566
3567     for (i = 1; i < self->nicons; ++i) {
3568         gulong diff;
3569
3570         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3571         if (diff < min_diff) {
3572             min_diff = diff;
3573             min_i = i;
3574         }
3575     }
3576     return &self->icons[min_i];
3577 }
3578
3579 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3580 {
3581     ObClientIcon *ret;
3582     static ObClientIcon deficon;
3583
3584     if (!(ret = client_icon_recursive(self, w, h))) {
3585         deficon.width = deficon.height = 48;
3586         deficon.data = ob_rr_theme->def_win_icon;
3587         ret = &deficon;
3588     }
3589     return ret;
3590 }
3591
3592 void client_set_layer(ObClient *self, gint layer)
3593 {
3594     if (layer < 0) {
3595         self->below = TRUE;
3596         self->above = FALSE;
3597     } else if (layer == 0) {
3598         self->below = self->above = FALSE;
3599     } else {
3600         self->below = FALSE;
3601         self->above = TRUE;
3602     }
3603     client_calc_layer(self);
3604     client_change_state(self); /* reflect this in the state hints */
3605 }
3606
3607 void client_set_undecorated(ObClient *self, gboolean undecorated)
3608 {
3609     if (self->undecorated != undecorated &&
3610         /* don't let it undecorate if the function is missing, but let
3611            it redecorate */
3612         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3613     {
3614         self->undecorated = undecorated;
3615         client_setup_decor_and_functions(self);
3616         client_change_state(self); /* reflect this in the state hints */
3617     }
3618 }
3619
3620 guint client_monitor(ObClient *self)
3621 {
3622     return screen_find_monitor(&self->frame->area);
3623 }
3624
3625 ObClient *client_search_top_normal_parent(ObClient *self)
3626 {
3627     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3628            client_normal(self->transient_for))
3629         self = self->transient_for;
3630     return self;
3631 }
3632
3633 static GSList *client_search_all_top_parents_internal(ObClient *self,
3634                                                       gboolean bylayer,
3635                                                       ObStackingLayer layer)
3636 {
3637     GSList *ret = NULL;
3638
3639     /* move up the direct transient chain as far as possible */
3640     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3641            (!bylayer || self->transient_for->layer == layer) &&
3642            client_normal(self->transient_for))
3643         self = self->transient_for;
3644
3645     if (!self->transient_for)
3646         ret = g_slist_prepend(ret, self);
3647     else {
3648             GSList *it;
3649
3650             g_assert(self->group);
3651
3652             for (it = self->group->members; it; it = g_slist_next(it)) {
3653                 ObClient *c = it->data;
3654
3655                 if (!c->transient_for && client_normal(c) &&
3656                     (!bylayer || c->layer == layer))
3657                 {
3658                     ret = g_slist_prepend(ret, c);
3659                 }
3660             }
3661
3662             if (ret == NULL) /* no group parents */
3663                 ret = g_slist_prepend(ret, self);
3664     }
3665
3666     return ret;
3667 }
3668
3669 GSList *client_search_all_top_parents(ObClient *self)
3670 {
3671     return client_search_all_top_parents_internal(self, FALSE, 0);
3672 }
3673
3674 GSList *client_search_all_top_parents_layer(ObClient *self)
3675 {
3676     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3677 }
3678
3679 ObClient *client_search_focus_parent(ObClient *self)
3680 {
3681     if (self->transient_for) {
3682         if (self->transient_for != OB_TRAN_GROUP) {
3683             if (client_focused(self->transient_for))
3684                 return self->transient_for;
3685         } else {
3686             GSList *it;
3687
3688             for (it = self->group->members; it; it = g_slist_next(it)) {
3689                 ObClient *c = it->data;
3690
3691                 /* checking transient_for prevents infinate loops! */
3692                 if (c != self && !c->transient_for)
3693                     if (client_focused(c))
3694                         return c;
3695             }
3696         }
3697     }
3698
3699     return NULL;
3700 }
3701
3702 ObClient *client_search_parent(ObClient *self, ObClient *search)
3703 {
3704     if (self->transient_for) {
3705         if (self->transient_for != OB_TRAN_GROUP) {
3706             if (self->transient_for == search)
3707                 return search;
3708         } else {
3709             GSList *it;
3710
3711             for (it = self->group->members; it; it = g_slist_next(it)) {
3712                 ObClient *c = it->data;
3713
3714                 /* checking transient_for prevents infinate loops! */
3715                 if (c != self && !c->transient_for)
3716                     if (c == search)
3717                         return search;
3718             }
3719         }
3720     }
3721
3722     return NULL;
3723 }
3724
3725 ObClient *client_search_transient(ObClient *self, ObClient *search)
3726 {
3727     GSList *sit;
3728
3729     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3730         if (sit->data == search)
3731             return search;
3732         if (client_search_transient(sit->data, search))
3733             return search;
3734     }
3735     return NULL;
3736 }
3737
3738 #define WANT_EDGE(cur, c) \
3739             if(cur == c)                                                      \
3740                 continue;                                                     \
3741             if(!client_normal(cur))                                           \
3742                 continue;                                                     \
3743             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3744                 continue;                                                     \
3745             if(cur->iconic)                                                   \
3746                 continue;
3747
3748 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3749             if ((his_edge_start >= my_edge_start && \
3750                  his_edge_start <= my_edge_end) ||  \
3751                 (my_edge_start >= his_edge_start && \
3752                  my_edge_start <= his_edge_end))    \
3753                 dest = his_offset;
3754
3755 /* finds the nearest edge in the given direction from the current client
3756  * note to self: the edge is the -frame- edge (the actual one), not the
3757  * client edge.
3758  */
3759 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3760 {
3761     gint dest, monitor_dest;
3762     gint my_edge_start, my_edge_end, my_offset;
3763     GList *it;
3764     Rect *a, *monitor;
3765
3766     if(!client_list)
3767         return -1;
3768
3769     a = screen_area(c->desktop);
3770     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3771
3772     switch(dir) {
3773     case OB_DIRECTION_NORTH:
3774         my_edge_start = c->frame->area.x;
3775         my_edge_end = c->frame->area.x + c->frame->area.width;
3776         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3777
3778         /* default: top of screen */
3779         dest = a->y + (hang ? c->frame->area.height : 0);
3780         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3781         /* if the monitor edge comes before the screen edge, */
3782         /* use that as the destination instead. (For xinerama) */
3783         if (monitor_dest != dest && my_offset > monitor_dest)
3784             dest = monitor_dest;
3785
3786         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3787             gint his_edge_start, his_edge_end, his_offset;
3788             ObClient *cur = it->data;
3789
3790             WANT_EDGE(cur, c)
3791
3792             his_edge_start = cur->frame->area.x;
3793             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3794             his_offset = cur->frame->area.y +
3795                          (hang ? 0 : cur->frame->area.height);
3796
3797             if(his_offset + 1 > my_offset)
3798                 continue;
3799
3800             if(his_offset < dest)
3801                 continue;
3802
3803             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3804         }
3805         break;
3806     case OB_DIRECTION_SOUTH:
3807         my_edge_start = c->frame->area.x;
3808         my_edge_end = c->frame->area.x + c->frame->area.width;
3809         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3810
3811         /* default: bottom of screen */
3812         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3813         monitor_dest = monitor->y + monitor->height -
3814                        (hang ? c->frame->area.height : 0);
3815         /* if the monitor edge comes before the screen edge, */
3816         /* use that as the destination instead. (For xinerama) */
3817         if (monitor_dest != dest && my_offset < monitor_dest)
3818             dest = monitor_dest;
3819
3820         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3821             gint his_edge_start, his_edge_end, his_offset;
3822             ObClient *cur = it->data;
3823
3824             WANT_EDGE(cur, c)
3825
3826             his_edge_start = cur->frame->area.x;
3827             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3828             his_offset = cur->frame->area.y +
3829                          (hang ? cur->frame->area.height : 0);
3830
3831
3832             if(his_offset - 1 < my_offset)
3833                 continue;
3834
3835             if(his_offset > dest)
3836                 continue;
3837
3838             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3839         }
3840         break;
3841     case OB_DIRECTION_WEST:
3842         my_edge_start = c->frame->area.y;
3843         my_edge_end = c->frame->area.y + c->frame->area.height;
3844         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3845
3846         /* default: leftmost egde of screen */
3847         dest = a->x + (hang ? c->frame->area.width : 0);
3848         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3849         /* if the monitor edge comes before the screen edge, */
3850         /* use that as the destination instead. (For xinerama) */
3851         if (monitor_dest != dest && my_offset > monitor_dest)
3852             dest = monitor_dest;
3853
3854         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3855             gint his_edge_start, his_edge_end, his_offset;
3856             ObClient *cur = it->data;
3857
3858             WANT_EDGE(cur, c)
3859
3860             his_edge_start = cur->frame->area.y;
3861             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3862             his_offset = cur->frame->area.x +
3863                          (hang ? 0 : cur->frame->area.width);
3864
3865             if(his_offset + 1 > my_offset)
3866                 continue;
3867
3868             if(his_offset < dest)
3869                 continue;
3870
3871             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3872         }
3873        break;
3874     case OB_DIRECTION_EAST:
3875         my_edge_start = c->frame->area.y;
3876         my_edge_end = c->frame->area.y + c->frame->area.height;
3877         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3878
3879         /* default: rightmost edge of screen */
3880         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3881         monitor_dest = monitor->x + monitor->width -
3882                        (hang ? c->frame->area.width : 0);
3883         /* if the monitor edge comes before the screen edge, */
3884         /* use that as the destination instead. (For xinerama) */
3885         if (monitor_dest != dest && my_offset < monitor_dest)
3886             dest = monitor_dest;
3887
3888         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3889             gint his_edge_start, his_edge_end, his_offset;
3890             ObClient *cur = it->data;
3891
3892             WANT_EDGE(cur, c)
3893
3894             his_edge_start = cur->frame->area.y;
3895             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3896             his_offset = cur->frame->area.x +
3897                          (hang ? cur->frame->area.width : 0);
3898
3899             if(his_offset - 1 < my_offset)
3900                 continue;
3901
3902             if(his_offset > dest)
3903                 continue;
3904
3905             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3906         }
3907         break;
3908     case OB_DIRECTION_NORTHEAST:
3909     case OB_DIRECTION_SOUTHEAST:
3910     case OB_DIRECTION_NORTHWEST:
3911     case OB_DIRECTION_SOUTHWEST:
3912         /* not implemented */
3913     default:
3914         g_assert_not_reached();
3915         dest = 0; /* suppress warning */
3916     }
3917     return dest;
3918 }
3919
3920 ObClient* client_under_pointer()
3921 {
3922     gint x, y;
3923     GList *it;
3924     ObClient *ret = NULL;
3925
3926     if (screen_pointer_pos(&x, &y)) {
3927         for (it = stacking_list; it; it = g_list_next(it)) {
3928             if (WINDOW_IS_CLIENT(it->data)) {
3929                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3930                 if (c->frame->visible &&
3931                     /* ignore all animating windows */
3932                     !frame_iconify_animating(c->frame) &&
3933                     RECT_CONTAINS(c->frame->area, x, y))
3934                 {
3935                     ret = c;
3936                     break;
3937                 }
3938             }
3939         }
3940     }
3941     return ret;
3942 }
3943
3944 gboolean client_has_group_siblings(ObClient *self)
3945 {
3946     return self->group && self->group->members->next;
3947 }