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
1639     case OB_CLIENT_TYPE_DESKTOP:
1640         /* these windows are not manipulated by the window manager */
1641         self->decorations = 0;
1642         self->functions = 0;
1643
1644     case OB_CLIENT_TYPE_DOCK:
1645         /* these windows are not manipulated by the window manager, but they
1646            can set below layer which has a special meaning */
1647         self->decorations = 0;
1648         self->functions = OB_CLIENT_FUNC_BELOW;
1649         break;
1650     }
1651
1652     /* Mwm Hints are applied subtractively to what has already been chosen for
1653        decor and functionality */
1654     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1655         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1656             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1657                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1658             {
1659                 /* if the mwm hints request no handle or title, then all
1660                    decorations are disabled, but keep the border if that's
1661                    specified */
1662                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1663                     self->decorations = OB_FRAME_DECOR_BORDER;
1664                 else
1665                     self->decorations = 0;
1666             }
1667         }
1668     }
1669
1670     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1671         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1672             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1673                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1674             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1675                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1676             /* dont let mwm hints kill any buttons
1677                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1678                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1679                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1680                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1681             */
1682             /* dont let mwm hints kill the close button
1683                if (! (self->mwmhints.functions & MwmFunc_Close))
1684                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1685         }
1686     }
1687
1688     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1689         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1690     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1691         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1692     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1693         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1694
1695     /* can't maximize without moving/resizing */
1696     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1697           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1698           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1699         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1700         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1701     }
1702
1703     if (self->max_horz && self->max_vert) {
1704         /* also can't resize maximized windows.
1705            do this after checking for resize to let you maximize */
1706         self->functions &=~ OB_CLIENT_FUNC_RESIZE;
1707
1708         /* kill the handle on fully maxed windows */
1709         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1710     }
1711
1712     /* If there are no decorations to remove, don't allow the user to try
1713        toggle the state */
1714     if (self->decorations == 0)
1715         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1716
1717     /* finally, the user can have requested no decorations, which overrides
1718        everything (but doesnt give it a border if it doesnt have one) */
1719     if (self->undecorated) {
1720         if (config_theme_keepborder)
1721             self->decorations &= OB_FRAME_DECOR_BORDER;
1722         else
1723             self->decorations = 0;
1724     }
1725
1726     /* if we don't have a titlebar, then we cannot shade! */
1727     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1728         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1729
1730     /* now we need to check against rules for the client's current state */
1731     if (self->fullscreen) {
1732         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1733                             OB_CLIENT_FUNC_FULLSCREEN |
1734                             OB_CLIENT_FUNC_ICONIFY);
1735         self->decorations = 0;
1736     }
1737
1738     client_change_allowed_actions(self);
1739
1740     if (self->frame) {
1741         /* adjust the client's decorations, etc. */
1742         client_reconfigure(self);
1743     }
1744 }
1745
1746 static void client_change_allowed_actions(ObClient *self)
1747 {
1748     gulong actions[12];
1749     gint num = 0;
1750
1751     /* desktop windows are kept on all desktops */
1752     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1753         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1754
1755     if (self->functions & OB_CLIENT_FUNC_SHADE)
1756         actions[num++] = prop_atoms.net_wm_action_shade;
1757     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1758         actions[num++] = prop_atoms.net_wm_action_close;
1759     if (self->functions & OB_CLIENT_FUNC_MOVE)
1760         actions[num++] = prop_atoms.net_wm_action_move;
1761     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1762         actions[num++] = prop_atoms.net_wm_action_minimize;
1763     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1764         actions[num++] = prop_atoms.net_wm_action_resize;
1765     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1766         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1767     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1768         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1769         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1770     }
1771     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1772         actions[num++] = prop_atoms.net_wm_action_above;
1773     if (self->functions & OB_CLIENT_FUNC_BELOW)
1774         actions[num++] = prop_atoms.net_wm_action_below;
1775     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1776         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1777
1778     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1779
1780     /* make sure the window isn't breaking any rules now */
1781
1782     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1783         if (self->frame) client_shade(self, FALSE);
1784         else self->shaded = FALSE;
1785     }
1786     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1787         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1788         else self->iconic = FALSE;
1789     }
1790     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1791         if (self->frame) client_fullscreen(self, FALSE);
1792         else self->fullscreen = FALSE;
1793     }
1794     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1795                                                          self->max_vert)) {
1796         if (self->frame) client_maximize(self, FALSE, 0);
1797         else self->max_vert = self->max_horz = FALSE;
1798     }
1799 }
1800
1801 void client_reconfigure(ObClient *self)
1802 {
1803     /* by making this pass FALSE for user, we avoid the emacs event storm where
1804        every configurenotify causes an update in its normal hints, i think this
1805        is generally what we want anyways... */
1806     client_configure(self, self->area.x, self->area.y,
1807                      self->area.width, self->area.height, FALSE, TRUE);
1808 }
1809
1810 void client_update_wmhints(ObClient *self)
1811 {
1812     XWMHints *hints;
1813
1814     /* assume a window takes input if it doesnt specify */
1815     self->can_focus = TRUE;
1816
1817     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1818         gboolean ur;
1819
1820         if (hints->flags & InputHint)
1821             self->can_focus = hints->input;
1822
1823         /* only do this when first managing the window *AND* when we aren't
1824            starting up! */
1825         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1826             if (hints->flags & StateHint)
1827                 self->iconic = hints->initial_state == IconicState;
1828
1829         ur = self->urgent;
1830         self->urgent = (hints->flags & XUrgencyHint);
1831         if (self->urgent && !ur)
1832             client_hilite(self, TRUE);
1833         else if (!self->urgent && ur && self->demands_attention)
1834             client_hilite(self, FALSE);
1835
1836         if (!(hints->flags & WindowGroupHint))
1837             hints->window_group = None;
1838
1839         /* did the group state change? */
1840         if (hints->window_group !=
1841             (self->group ? self->group->leader : None))
1842         {
1843             ObGroup *oldgroup = self->group;
1844
1845             /* remove from the old group if there was one */
1846             if (self->group != NULL) {
1847                 group_remove(self->group, self);
1848                 self->group = NULL;
1849             }
1850
1851             /* add ourself to the group if we have one */
1852             if (hints->window_group != None) {
1853                 self->group = group_add(hints->window_group, self);
1854             }
1855
1856             /* Put ourselves into the new group's transient tree, and remove
1857                ourselves from the old group's */
1858             client_update_transient_tree(self, oldgroup, self->group,
1859                                          self->transient_for,
1860                                          self->transient_for);
1861
1862             /* Lastly, being in a group, or not, can change if the window is
1863                transient for anything.
1864
1865                The logic for this is:
1866                self->transient = TRUE always if the window wants to be
1867                transient for something, even if transient_for was NULL because
1868                it wasn't in a group before.
1869
1870                If transient_for was NULL and oldgroup was NULL we can assume
1871                that when we add the new group, it will become transient for
1872                something.
1873
1874                If transient_for was OB_TRAN_GROUP, then it must have already
1875                had a group. If it is getting a new group, the above call to
1876                client_update_transient_tree has already taken care of
1877                everything ! If it is losing all group status then it will
1878                no longer be transient for anything and that needs to be
1879                updated.
1880             */
1881             if (self->transient &&
1882                 ((self->transient_for == NULL && oldgroup == NULL) ||
1883                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1884                 client_update_transient_for(self);
1885         }
1886
1887         /* the WM_HINTS can contain an icon */
1888         client_update_icons(self);
1889
1890         XFree(hints);
1891     }
1892 }
1893
1894 void client_update_title(ObClient *self)
1895 {
1896     gchar *data = NULL;
1897     gchar *visible = NULL;
1898
1899     g_free(self->title);
1900
1901     /* try netwm */
1902     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1903         /* try old x stuff */
1904         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1905               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1906             if (self->transient) {
1907                 /*
1908                   GNOME alert windows are not given titles:
1909                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1910                 */
1911                 data = g_strdup("");
1912             } else
1913                 data = g_strdup("Unnamed Window");
1914         }
1915     }
1916
1917     if (self->client_machine) {
1918         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1919         g_free(data);
1920     } else
1921         visible = data;
1922
1923     PROP_SETS(self->window, net_wm_visible_name, visible);
1924     self->title = visible;
1925
1926     if (self->frame)
1927         frame_adjust_title(self->frame);
1928
1929     /* update the icon title */
1930     data = NULL;
1931     g_free(self->icon_title);
1932
1933     /* try netwm */
1934     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1935         /* try old x stuff */
1936         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1937               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1938             data = g_strdup(self->title);
1939
1940     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1941     self->icon_title = data;
1942 }
1943
1944 void client_update_strut(ObClient *self)
1945 {
1946     guint num;
1947     guint32 *data;
1948     gboolean got = FALSE;
1949     StrutPartial strut;
1950
1951     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1952                     &data, &num)) {
1953         if (num == 12) {
1954             got = TRUE;
1955             STRUT_PARTIAL_SET(strut,
1956                               data[0], data[2], data[1], data[3],
1957                               data[4], data[5], data[8], data[9],
1958                               data[6], data[7], data[10], data[11]);
1959         }
1960         g_free(data);
1961     }
1962
1963     if (!got &&
1964         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1965         if (num == 4) {
1966             const Rect *a;
1967
1968             got = TRUE;
1969
1970             /* use the screen's width/height */
1971             a = screen_physical_area();
1972
1973             STRUT_PARTIAL_SET(strut,
1974                               data[0], data[2], data[1], data[3],
1975                               a->y, a->y + a->height - 1,
1976                               a->x, a->x + a->width - 1,
1977                               a->y, a->y + a->height - 1,
1978                               a->x, a->x + a->width - 1);
1979         }
1980         g_free(data);
1981     }
1982
1983     if (!got)
1984         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1985                           0, 0, 0, 0, 0, 0, 0, 0);
1986
1987     if (!STRUT_EQUAL(strut, self->strut)) {
1988         self->strut = strut;
1989
1990         /* updating here is pointless while we're being mapped cuz we're not in
1991            the client list yet */
1992         if (self->frame)
1993             screen_update_areas();
1994     }
1995 }
1996
1997 void client_update_icons(ObClient *self)
1998 {
1999     guint num;
2000     guint32 *data;
2001     guint w, h, i, j;
2002
2003     for (i = 0; i < self->nicons; ++i)
2004         g_free(self->icons[i].data);
2005     if (self->nicons > 0)
2006         g_free(self->icons);
2007     self->nicons = 0;
2008
2009     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2010         /* figure out how many valid icons are in here */
2011         i = 0;
2012         while (num - i > 2) {
2013             w = data[i++];
2014             h = data[i++];
2015             i += w * h;
2016             if (i > num || w*h == 0) break;
2017             ++self->nicons;
2018         }
2019
2020         self->icons = g_new(ObClientIcon, self->nicons);
2021
2022         /* store the icons */
2023         i = 0;
2024         for (j = 0; j < self->nicons; ++j) {
2025             guint x, y, t;
2026
2027             w = self->icons[j].width = data[i++];
2028             h = self->icons[j].height = data[i++];
2029
2030             if (w*h == 0) continue;
2031
2032             self->icons[j].data = g_new(RrPixel32, w * h);
2033             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2034                 if (x >= w) {
2035                     x = 0;
2036                     ++y;
2037                 }
2038                 self->icons[j].data[t] =
2039                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2040                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2041                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2042                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2043             }
2044             g_assert(i <= num);
2045         }
2046
2047         g_free(data);
2048     } else {
2049         XWMHints *hints;
2050
2051         if ((hints = XGetWMHints(ob_display, self->window))) {
2052             if (hints->flags & IconPixmapHint) {
2053                 self->nicons++;
2054                 self->icons = g_new(ObClientIcon, self->nicons);
2055                 xerror_set_ignore(TRUE);
2056                 if (!RrPixmapToRGBA(ob_rr_inst,
2057                                     hints->icon_pixmap,
2058                                     (hints->flags & IconMaskHint ?
2059                                      hints->icon_mask : None),
2060                                     &self->icons[self->nicons-1].width,
2061                                     &self->icons[self->nicons-1].height,
2062                                     &self->icons[self->nicons-1].data)){
2063                     g_free(&self->icons[self->nicons-1]);
2064                     self->nicons--;
2065                 }
2066                 xerror_set_ignore(FALSE);
2067             }
2068             XFree(hints);
2069         }
2070     }
2071
2072     /* set the default icon onto the window
2073        in theory, this could be a race, but if a window doesn't set an icon
2074        or removes it entirely, it's not very likely it is going to set one
2075        right away afterwards */
2076     if (self->nicons == 0) {
2077         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2078         gulong *data;
2079
2080         data = g_new(gulong, 48*48+2);
2081         data[0] = data[1] =  48;
2082         for (i = 0; i < 48*48; ++i)
2083             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2084                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2085                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2086                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2087         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2088         g_free(data);
2089     } else if (self->frame)
2090         /* don't draw the icon empty if we're just setting one now anyways,
2091            we'll get the property change any second */
2092         frame_adjust_icon(self->frame);
2093 }
2094
2095 void client_update_user_time(ObClient *self)
2096 {
2097     guint32 time;
2098     gboolean got = FALSE;
2099
2100     if (self->user_time_window)
2101         got = PROP_GET32(self->user_time_window,
2102                          net_wm_user_time, cardinal, &time);
2103     if (!got)
2104         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2105
2106     if (got) {
2107         /* we set this every time, not just when it grows, because in practice
2108            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2109            backward we don't want all windows to stop focusing. we'll just
2110            assume noone is setting times older than the last one, cuz that
2111            would be pretty stupid anyways
2112         */
2113         self->user_time = time;
2114
2115         /*ob_debug("window %s user time %u\n", self->title, time);*/
2116     }
2117 }
2118
2119 void client_update_user_time_window(ObClient *self)
2120 {
2121     guint32 w;
2122
2123     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2124         w = None;
2125
2126     if (w != self->user_time_window) {
2127         /* remove the old window */
2128         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2129         self->user_time_window = None;
2130
2131         if (self->group && self->group->leader == w) {
2132             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2133                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2134             /* do it anyways..? */
2135         }
2136         else if (w == self->window) {
2137             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2138                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2139             w = None; /* don't do it */
2140         }
2141
2142         /* add the new window */
2143         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2144         self->user_time_window = w;
2145
2146         /* and update from it */
2147         client_update_user_time(self);
2148     }
2149 }
2150
2151 void client_update_icon_geometry(ObClient *self)
2152 {
2153     guint num;
2154     guint32 *data;
2155
2156     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2157
2158     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2159         && num == 4)
2160     {
2161         /* don't let them set it with an area < 0 */
2162         RECT_SET(self->icon_geometry, data[0], data[1],
2163                  MAX(data[2],0), MAX(data[3],0));
2164     }
2165 }
2166
2167 static void client_get_session_ids(ObClient *self)
2168 {
2169     guint32 leader;
2170     gboolean got;
2171     gchar *s;
2172     gchar **ss;
2173
2174     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2175         leader = None;
2176
2177     /* get the SM_CLIENT_ID */
2178     got = FALSE;
2179     if (leader)
2180         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2181     if (!got)
2182         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2183
2184     /* get the WM_CLASS (name and class). make them "" if they are not
2185        provided */
2186     got = FALSE;
2187     if (leader)
2188         got = PROP_GETSS(leader, wm_class, locale, &ss);
2189     if (!got)
2190         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2191
2192     if (got) {
2193         if (ss[0]) {
2194             self->name = g_strdup(ss[0]);
2195             if (ss[1])
2196                 self->class = g_strdup(ss[1]);
2197         }
2198         g_strfreev(ss);
2199     }
2200
2201     if (self->name == NULL) self->name = g_strdup("");
2202     if (self->class == NULL) self->class = g_strdup("");
2203
2204     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2205     got = FALSE;
2206     if (leader)
2207         got = PROP_GETS(leader, wm_window_role, locale, &s);
2208     if (!got)
2209         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2210
2211     if (got)
2212         self->role = s;
2213     else
2214         self->role = g_strdup("");
2215
2216     /* get the WM_COMMAND */
2217     got = FALSE;
2218
2219     if (leader)
2220         got = PROP_GETSS(leader, wm_command, locale, &ss);
2221     if (!got)
2222         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2223
2224     if (got) {
2225         /* merge/mash them all together */
2226         gchar *merge = NULL;
2227         gint i;
2228
2229         for (i = 0; ss[i]; ++i) {
2230             gchar *tmp = merge;
2231             if (merge)
2232                 merge = g_strconcat(merge, ss[i], NULL);
2233             else
2234                 merge = g_strconcat(ss[i], NULL);
2235             g_free(tmp);
2236         }
2237         g_strfreev(ss);
2238
2239         self->wm_command = merge;
2240     }
2241
2242     /* get the WM_CLIENT_MACHINE */
2243     got = FALSE;
2244     if (leader)
2245         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2246     if (!got)
2247         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2248
2249     if (got) {
2250         gchar localhost[128];
2251
2252         gethostname(localhost, 127);
2253         localhost[127] = '\0';
2254         if (strcmp(localhost, s) != 0)
2255             self->client_machine = s;
2256         else
2257             g_free(s);
2258     }
2259 }
2260
2261 static void client_change_wm_state(ObClient *self)
2262 {
2263     gulong state[2];
2264     glong old;
2265
2266     old = self->wmstate;
2267
2268     if (self->shaded || self->iconic ||
2269         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2270     {
2271         self->wmstate = IconicState;
2272     } else
2273         self->wmstate = NormalState;
2274
2275     if (old != self->wmstate) {
2276         PROP_MSG(self->window, kde_wm_change_state,
2277                  self->wmstate, 1, 0, 0);
2278
2279         state[0] = self->wmstate;
2280         state[1] = None;
2281         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2282     }
2283 }
2284
2285 static void client_change_state(ObClient *self)
2286 {
2287     gulong netstate[11];
2288     guint num;
2289
2290     num = 0;
2291     if (self->modal)
2292         netstate[num++] = prop_atoms.net_wm_state_modal;
2293     if (self->shaded)
2294         netstate[num++] = prop_atoms.net_wm_state_shaded;
2295     if (self->iconic)
2296         netstate[num++] = prop_atoms.net_wm_state_hidden;
2297     if (self->skip_taskbar)
2298         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2299     if (self->skip_pager)
2300         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2301     if (self->fullscreen)
2302         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2303     if (self->max_vert)
2304         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2305     if (self->max_horz)
2306         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2307     if (self->above)
2308         netstate[num++] = prop_atoms.net_wm_state_above;
2309     if (self->below)
2310         netstate[num++] = prop_atoms.net_wm_state_below;
2311     if (self->demands_attention)
2312         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2313     if (self->undecorated)
2314         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2315     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2316
2317     if (self->frame)
2318         frame_adjust_state(self->frame);
2319 }
2320
2321 ObClient *client_search_focus_tree(ObClient *self)
2322 {
2323     GSList *it;
2324     ObClient *ret;
2325
2326     for (it = self->transients; it; it = g_slist_next(it)) {
2327         if (client_focused(it->data)) return it->data;
2328         if ((ret = client_search_focus_tree(it->data))) return ret;
2329     }
2330     return NULL;
2331 }
2332
2333 ObClient *client_search_focus_tree_full(ObClient *self)
2334 {
2335     if (self->transient_for) {
2336         if (self->transient_for != OB_TRAN_GROUP) {
2337             return client_search_focus_tree_full(self->transient_for);
2338         } else {
2339             GSList *it;
2340             gboolean recursed = FALSE;
2341
2342             for (it = self->group->members; it; it = g_slist_next(it))
2343                 if (!((ObClient*)it->data)->transient_for) {
2344                     ObClient *c;
2345                     if ((c = client_search_focus_tree_full(it->data)))
2346                         return c;
2347                     recursed = TRUE;
2348                 }
2349             if (recursed)
2350                 return NULL;
2351         }
2352     }
2353
2354     /* this function checks the whole tree, the client_search_focus_tree~
2355        does not, so we need to check this window */
2356     if (client_focused(self))
2357         return self;
2358     return client_search_focus_tree(self);
2359 }
2360
2361 static ObStackingLayer calc_layer(ObClient *self)
2362 {
2363     ObStackingLayer l;
2364
2365     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2366         l = OB_STACKING_LAYER_DESKTOP;
2367     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2368         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2369         else l = OB_STACKING_LAYER_ABOVE;
2370     }
2371     else if ((self->fullscreen ||
2372               /* No decorations and fills the monitor = oldskool fullscreen.
2373                  But not for undecorated windows, because the user can do that
2374               */
2375               (self->decorations == 0 &&
2376                !self->undecorated &&
2377                RECT_EQUAL(self->area,
2378                           *screen_physical_area_monitor
2379                           (client_monitor(self))))) &&
2380              (client_focused(self) || client_search_focus_tree(self)))
2381         l = OB_STACKING_LAYER_FULLSCREEN;
2382     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2383     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2384     else l = OB_STACKING_LAYER_NORMAL;
2385
2386     return l;
2387 }
2388
2389 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2390                                         ObStackingLayer min)
2391 {
2392     ObStackingLayer old, own;
2393     GSList *it;
2394
2395     old = self->layer;
2396     own = calc_layer(self);
2397     self->layer = MAX(own, min);
2398
2399     if (self->layer != old) {
2400         stacking_remove(CLIENT_AS_WINDOW(self));
2401         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2402     }
2403
2404     for (it = self->transients; it; it = g_slist_next(it))
2405         client_calc_layer_recursive(it->data, orig,
2406                                     self->layer);
2407 }
2408
2409 void client_calc_layer(ObClient *self)
2410 {
2411     ObClient *orig;
2412     GSList *it;
2413
2414     orig = self;
2415
2416     /* transients take on the layer of their parents */
2417     it = client_search_all_top_parents(self);
2418
2419     for (; it; it = g_slist_next(it))
2420         client_calc_layer_recursive(it->data, orig, 0);
2421 }
2422
2423 gboolean client_should_show(ObClient *self)
2424 {
2425     if (self->iconic)
2426         return FALSE;
2427     if (client_normal(self) && screen_showing_desktop)
2428         return FALSE;
2429     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2430         return TRUE;
2431
2432     return FALSE;
2433 }
2434
2435 gboolean client_show(ObClient *self)
2436 {
2437     gboolean show = FALSE;
2438
2439     if (client_should_show(self)) {
2440         frame_show(self->frame);
2441         show = TRUE;
2442     }
2443
2444     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2445        needs to be in IconicState. This includes when it is on another
2446        desktop!
2447     */
2448     client_change_wm_state(self);
2449     return show;
2450 }
2451
2452 gboolean client_hide(ObClient *self)
2453 {
2454     gboolean hide = FALSE;
2455
2456     if (!client_should_show(self)) {
2457         if (self == focus_client) {
2458             /* if there is a grab going on, then we need to cancel it. if we
2459                move focus during the grab, applications will get
2460                NotifyWhileGrabbed events and ignore them !
2461
2462                actions should not rely on being able to move focus during an
2463                interactive grab.
2464             */
2465             if (keyboard_interactively_grabbed())
2466                 keyboard_interactive_cancel();
2467         }
2468
2469         frame_hide(self->frame);
2470         hide = TRUE;
2471     }
2472
2473     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2474        needs to be in IconicState. This includes when it is on another
2475        desktop!
2476     */
2477     client_change_wm_state(self);
2478     return hide;
2479 }
2480
2481 void client_showhide(ObClient *self)
2482 {
2483     if (!client_show(self))
2484         client_hide(self);
2485
2486     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2487        needs to be in IconicState. This includes when it is on another
2488        desktop!
2489     */
2490     client_change_wm_state(self);
2491 }
2492
2493 gboolean client_normal(ObClient *self) {
2494     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2495               self->type == OB_CLIENT_TYPE_DOCK ||
2496               self->type == OB_CLIENT_TYPE_SPLASH);
2497 }
2498
2499 gboolean client_helper(ObClient *self)
2500 {
2501     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2502             self->type == OB_CLIENT_TYPE_MENU ||
2503             self->type == OB_CLIENT_TYPE_TOOLBAR);
2504 }
2505
2506 gboolean client_mouse_focusable(ObClient *self)
2507 {
2508     return !(self->type == OB_CLIENT_TYPE_MENU ||
2509              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2510              self->type == OB_CLIENT_TYPE_SPLASH ||
2511              self->type == OB_CLIENT_TYPE_DOCK);
2512 }
2513
2514 gboolean client_enter_focusable(ObClient *self)
2515 {
2516     /* you can focus desktops but it shouldn't on enter */
2517     return (client_mouse_focusable(self) &&
2518             self->type != OB_CLIENT_TYPE_DESKTOP);
2519 }
2520
2521
2522 static void client_apply_startup_state(ObClient *self)
2523 {
2524     /* set the desktop hint, to make sure that it always exists */
2525     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2526
2527     /* these are in a carefully crafted order.. */
2528
2529     if (self->iconic) {
2530         self->iconic = FALSE;
2531         client_iconify(self, TRUE, FALSE, TRUE);
2532     }
2533     if (self->fullscreen) {
2534         self->fullscreen = FALSE;
2535         client_fullscreen(self, TRUE);
2536     }
2537     if (self->undecorated) {
2538         self->undecorated = FALSE;
2539         client_set_undecorated(self, TRUE);
2540     }
2541     if (self->shaded) {
2542         self->shaded = FALSE;
2543         client_shade(self, TRUE);
2544     }
2545     if (self->demands_attention) {
2546         self->demands_attention = FALSE;
2547         client_hilite(self, TRUE);
2548     }
2549
2550     if (self->max_vert && self->max_horz) {
2551         self->max_vert = self->max_horz = FALSE;
2552         client_maximize(self, TRUE, 0);
2553     } else if (self->max_vert) {
2554         self->max_vert = FALSE;
2555         client_maximize(self, TRUE, 2);
2556     } else if (self->max_horz) {
2557         self->max_horz = FALSE;
2558         client_maximize(self, TRUE, 1);
2559     }
2560
2561     /* nothing to do for the other states:
2562        skip_taskbar
2563        skip_pager
2564        modal
2565        above
2566        below
2567     */
2568 }
2569
2570 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2571                             gint w, gint h)
2572 {
2573     gint oldg = self->gravity;
2574
2575     /* get the frame's position from the requested stuff */
2576     self->gravity = gravity;
2577     frame_client_gravity(self->frame, x, y, w, h);
2578     self->gravity = oldg;
2579
2580     /* get the client's position in its true gravity from that */
2581     frame_frame_gravity(self->frame, x, y, w, h);
2582 }
2583
2584 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2585                           gint *logicalw, gint *logicalh,
2586                           gboolean user)
2587 {
2588     Rect desired_area = {*x, *y, *w, *h};
2589
2590     /* make the frame recalculate its dimentions n shit without changing
2591        anything visible for real, this way the constraints below can work with
2592        the updated frame dimensions. */
2593     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2594
2595     /* work within the prefered sizes given by the window */
2596     if (!(*w == self->area.width && *h == self->area.height)) {
2597         gint basew, baseh, minw, minh;
2598
2599         /* base size is substituted with min size if not specified */
2600         if (self->base_size.width || self->base_size.height) {
2601             basew = self->base_size.width;
2602             baseh = self->base_size.height;
2603         } else {
2604             basew = self->min_size.width;
2605             baseh = self->min_size.height;
2606         }
2607         /* min size is substituted with base size if not specified */
2608         if (self->min_size.width || self->min_size.height) {
2609             minw = self->min_size.width;
2610             minh = self->min_size.height;
2611         } else {
2612             minw = self->base_size.width;
2613             minh = self->base_size.height;
2614         }
2615
2616         /* if this is a user-requested resize, then check against min/max
2617            sizes */
2618
2619         /* smaller than min size or bigger than max size? */
2620         if (*w > self->max_size.width) *w = self->max_size.width;
2621         if (*w < minw) *w = minw;
2622         if (*h > self->max_size.height) *h = self->max_size.height;
2623         if (*h < minh) *h = minh;
2624
2625         *w -= basew;
2626         *h -= baseh;
2627
2628         /* keep to the increments */
2629         *w /= self->size_inc.width;
2630         *h /= self->size_inc.height;
2631
2632         /* you cannot resize to nothing */
2633         if (basew + *w < 1) *w = 1 - basew;
2634         if (baseh + *h < 1) *h = 1 - baseh;
2635
2636         /* save the logical size */
2637         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2638         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2639
2640         *w *= self->size_inc.width;
2641         *h *= self->size_inc.height;
2642
2643         *w += basew;
2644         *h += baseh;
2645
2646         /* adjust the height to match the width for the aspect ratios.
2647            for this, min size is not substituted for base size ever. */
2648         *w -= self->base_size.width;
2649         *h -= self->base_size.height;
2650
2651         if (!self->fullscreen) {
2652             if (self->min_ratio)
2653                 if (*h * self->min_ratio > *w) {
2654                     *h = (gint)(*w / self->min_ratio);
2655
2656                     /* you cannot resize to nothing */
2657                     if (*h < 1) {
2658                         *h = 1;
2659                         *w = (gint)(*h * self->min_ratio);
2660                     }
2661                 }
2662             if (self->max_ratio)
2663                 if (*h * self->max_ratio < *w) {
2664                     *h = (gint)(*w / self->max_ratio);
2665
2666                     /* you cannot resize to nothing */
2667                     if (*h < 1) {
2668                         *h = 1;
2669                         *w = (gint)(*h * self->min_ratio);
2670                     }
2671                 }
2672         }
2673
2674         *w += self->base_size.width;
2675         *h += self->base_size.height;
2676     }
2677
2678     /* gets the frame's position */
2679     frame_client_gravity(self->frame, x, y, *w, *h);
2680
2681     /* these positions are frame positions, not client positions */
2682
2683     /* set the size and position if fullscreen */
2684     if (self->fullscreen) {
2685         Rect *a;
2686         guint i;
2687
2688         i = screen_find_monitor(&desired_area);
2689         a = screen_physical_area_monitor(i);
2690
2691         *x = a->x;
2692         *y = a->y;
2693         *w = a->width;
2694         *h = a->height;
2695
2696         user = FALSE; /* ignore if the client can't be moved/resized when it
2697                          is entering fullscreen */
2698     } else if (self->max_horz || self->max_vert) {
2699         Rect *a;
2700         guint i;
2701
2702         i = screen_find_monitor(&desired_area);
2703         a = screen_area_monitor(self->desktop, i);
2704
2705         /* set the size and position if maximized */
2706         if (self->max_horz) {
2707             *x = a->x;
2708             *w = a->width - self->frame->size.left - self->frame->size.right;
2709         }
2710         if (self->max_vert) {
2711             *y = a->y;
2712             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2713         }
2714
2715         /* maximizing is not allowed if the user can't move+resize the window
2716          */
2717     }
2718
2719     /* gets the client's position */
2720     frame_frame_gravity(self->frame, x, y, *w, *h);
2721
2722     /* these override the above states! if you cant move you can't move! */
2723     if (user) {
2724         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2725             *x = self->area.x;
2726             *y = self->area.y;
2727         }
2728         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2729             *w = self->area.width;
2730             *h = self->area.height;
2731         }
2732     }
2733
2734     g_assert(*w > 0);
2735     g_assert(*h > 0);
2736 }
2737
2738
2739 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2740                       gboolean user, gboolean final)
2741 {
2742     gint oldw, oldh;
2743     gboolean send_resize_client;
2744     gboolean moved = FALSE, resized = FALSE;
2745     gboolean fmoved, fresized;
2746     guint fdecor = self->frame->decorations;
2747     gboolean fhorz = self->frame->max_horz;
2748     gboolean fvert = self->frame->max_vert;
2749     gint logicalw, logicalh;
2750
2751     /* find the new x, y, width, and height (and logical size) */
2752     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2753
2754     /* set the logical size if things changed */
2755     if (!(w == self->area.width && h == self->area.height))
2756         SIZE_SET(self->logical_size, logicalw, logicalh);
2757
2758     /* figure out if we moved or resized or what */
2759     moved = x != self->area.x || y != self->area.y;
2760     resized = w != self->area.width || h != self->area.height;
2761
2762     oldw = self->area.width;
2763     oldh = self->area.height;
2764     RECT_SET(self->area, x, y, w, h);
2765
2766     /* for app-requested resizes, always resize if 'resized' is true.
2767        for user-requested ones, only resize if final is true, or when
2768        resizing in redraw mode */
2769     send_resize_client = ((!user && resized) ||
2770                           (user && (final ||
2771                                     (resized && config_resize_redraw))));
2772
2773     /* if the client is enlarging, then resize the client before the frame */
2774     if (send_resize_client && (w > oldw || h > oldh)) {
2775         XResizeWindow(ob_display, self->window,
2776                       MAX(w, oldw), MAX(h, oldh));
2777         /* resize the plate to show the client padding color underneath */
2778         frame_adjust_client_area(self->frame);
2779     }
2780
2781     /* find the frame's dimensions and move/resize it */
2782     fmoved = moved;
2783     fresized = resized;
2784     if (self->decorations != fdecor ||
2785         self->max_horz != fhorz || self->max_vert != fvert)
2786     {
2787         fmoved = fresized = TRUE;
2788     }
2789     if (fmoved || fresized)
2790         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2791
2792     if ((!user || (user && final)) && !resized)
2793     {
2794         XEvent event;
2795
2796         POINT_SET(self->root_pos,
2797                   self->frame->area.x + self->frame->size.left -
2798                   self->border_width,
2799                   self->frame->area.y + self->frame->size.top -
2800                   self->border_width);
2801
2802         event.type = ConfigureNotify;
2803         event.xconfigure.display = ob_display;
2804         event.xconfigure.event = self->window;
2805         event.xconfigure.window = self->window;
2806
2807         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2808                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2809
2810         /* root window real coords */
2811         event.xconfigure.x = self->root_pos.x;
2812         event.xconfigure.y = self->root_pos.y;
2813         event.xconfigure.width = w;
2814         event.xconfigure.height = h;
2815         event.xconfigure.border_width = 0;
2816         event.xconfigure.above = self->frame->plate;
2817         event.xconfigure.override_redirect = FALSE;
2818         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2819                    FALSE, StructureNotifyMask, &event);
2820     }
2821
2822     /* if the client is shrinking, then resize the frame before the client */
2823     if (send_resize_client && (w <= oldw || h <= oldh)) {
2824         /* resize the plate to show the client padding color underneath */
2825         frame_adjust_client_area(self->frame);
2826
2827         if (send_resize_client)
2828             XResizeWindow(ob_display, self->window, w, h);
2829     }
2830
2831     XFlush(ob_display);
2832 }
2833
2834 void client_fullscreen(ObClient *self, gboolean fs)
2835 {
2836     gint x, y, w, h;
2837
2838     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2839         self->fullscreen == fs) return;                   /* already done */
2840
2841     self->fullscreen = fs;
2842     client_change_state(self); /* change the state hints on the client */
2843
2844     if (fs) {
2845         self->pre_fullscreen_area = self->area;
2846         /* if the window is maximized, its area isn't all that meaningful.
2847            save it's premax area instead. */
2848         if (self->max_horz) {
2849             self->pre_fullscreen_area.x = self->pre_max_area.x;
2850             self->pre_fullscreen_area.width = self->pre_max_area.width;
2851         }
2852         if (self->max_vert) {
2853             self->pre_fullscreen_area.y = self->pre_max_area.y;
2854             self->pre_fullscreen_area.height = self->pre_max_area.height;
2855         }
2856
2857         /* these will help configure_full figure out where to fullscreen
2858            the window */
2859         x = self->area.x;
2860         y = self->area.y;
2861         w = self->area.width;
2862         h = self->area.height;
2863     } else {
2864         g_assert(self->pre_fullscreen_area.width > 0 &&
2865                  self->pre_fullscreen_area.height > 0);
2866
2867         x = self->pre_fullscreen_area.x;
2868         y = self->pre_fullscreen_area.y;
2869         w = self->pre_fullscreen_area.width;
2870         h = self->pre_fullscreen_area.height;
2871         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2872     }
2873
2874     client_setup_decor_and_functions(self);
2875
2876     client_move_resize(self, x, y, w, h);
2877
2878     /* and adjust our layer/stacking. do this after resizing the window,
2879        and applying decorations, because windows which fill the screen are
2880        considered "fullscreen" and it affects their layer */
2881     client_calc_layer(self);
2882
2883     if (fs) {
2884         /* try focus us when we go into fullscreen mode */
2885         client_focus(self);
2886     }
2887 }
2888
2889 static void client_iconify_recursive(ObClient *self,
2890                                      gboolean iconic, gboolean curdesk,
2891                                      gboolean hide_animation)
2892 {
2893     GSList *it;
2894     gboolean changed = FALSE;
2895
2896
2897     if (self->iconic != iconic) {
2898         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2899                  self->window);
2900
2901         if (iconic) {
2902             /* don't let non-normal windows iconify along with their parents
2903                or whatever */
2904             if (client_normal(self)) {
2905                 self->iconic = iconic;
2906
2907                 /* update the focus lists.. iconic windows go to the bottom of
2908                    the list, put the new iconic window at the 'top of the
2909                    bottom'. */
2910                 focus_order_to_top(self);
2911
2912                 changed = TRUE;
2913             }
2914         } else {
2915             self->iconic = iconic;
2916
2917             if (curdesk && self->desktop != screen_desktop &&
2918                 self->desktop != DESKTOP_ALL)
2919                 client_set_desktop(self, screen_desktop, FALSE);
2920
2921             /* this puts it after the current focused window */
2922             focus_order_remove(self);
2923             focus_order_add_new(self);
2924
2925             changed = TRUE;
2926         }
2927     }
2928
2929     if (changed) {
2930         client_change_state(self);
2931         if (config_animate_iconify && !hide_animation)
2932             frame_begin_iconify_animation(self->frame, iconic);
2933         /* do this after starting the animation so it doesn't flash */
2934         client_showhide(self);
2935     }
2936
2937     /* iconify all direct transients, and deiconify all transients
2938        (non-direct too) */
2939     for (it = self->transients; it; it = g_slist_next(it))
2940         if (it->data != self)
2941             if (client_is_direct_child(self, it->data) || !iconic)
2942                 client_iconify_recursive(it->data, iconic, curdesk,
2943                                          hide_animation);
2944 }
2945
2946 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2947                     gboolean hide_animation)
2948 {
2949     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2950         /* move up the transient chain as far as possible first */
2951         self = client_search_top_normal_parent(self);
2952         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2953     }
2954 }
2955
2956 void client_maximize(ObClient *self, gboolean max, gint dir)
2957 {
2958     gint x, y, w, h;
2959
2960     g_assert(dir == 0 || dir == 1 || dir == 2);
2961     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2962
2963     /* check if already done */
2964     if (max) {
2965         if (dir == 0 && self->max_horz && self->max_vert) return;
2966         if (dir == 1 && self->max_horz) return;
2967         if (dir == 2 && self->max_vert) return;
2968     } else {
2969         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2970         if (dir == 1 && !self->max_horz) return;
2971         if (dir == 2 && !self->max_vert) return;
2972     }
2973
2974     /* these will help configure_full figure out which screen to fill with
2975        the window */
2976     x = self->area.x;
2977     y = self->area.y;
2978     w = self->area.width;
2979     h = self->area.height;
2980
2981     if (max) {
2982         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2983             RECT_SET(self->pre_max_area,
2984                      self->area.x, self->pre_max_area.y,
2985                      self->area.width, self->pre_max_area.height);
2986         }
2987         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2988             RECT_SET(self->pre_max_area,
2989                      self->pre_max_area.x, self->area.y,
2990                      self->pre_max_area.width, self->area.height);
2991         }
2992     } else {
2993         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2994             g_assert(self->pre_max_area.width > 0);
2995
2996             x = self->pre_max_area.x;
2997             w = self->pre_max_area.width;
2998
2999             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3000                      0, self->pre_max_area.height);
3001         }
3002         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3003             g_assert(self->pre_max_area.height > 0);
3004
3005             y = self->pre_max_area.y;
3006             h = self->pre_max_area.height;
3007
3008             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3009                      self->pre_max_area.width, 0);
3010         }
3011     }
3012
3013     if (dir == 0 || dir == 1) /* horz */
3014         self->max_horz = max;
3015     if (dir == 0 || dir == 2) /* vert */
3016         self->max_vert = max;
3017
3018     client_change_state(self); /* change the state hints on the client */
3019
3020     client_setup_decor_and_functions(self);
3021
3022     client_move_resize(self, x, y, w, h);
3023 }
3024
3025 void client_shade(ObClient *self, gboolean shade)
3026 {
3027     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3028          shade) ||                         /* can't shade */
3029         self->shaded == shade) return;     /* already done */
3030
3031     self->shaded = shade;
3032     client_change_state(self);
3033     client_change_wm_state(self); /* the window is being hidden/shown */
3034     /* resize the frame to just the titlebar */
3035     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3036 }
3037
3038 void client_close(ObClient *self)
3039 {
3040     XEvent ce;
3041
3042     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3043
3044     /* in the case that the client provides no means to requesting that it
3045        close, we just kill it */
3046     if (!self->delete_window)
3047         client_kill(self);
3048
3049     /*
3050       XXX: itd be cool to do timeouts and shit here for killing the client's
3051       process off
3052       like... if the window is around after 5 seconds, then the close button
3053       turns a nice red, and if this function is called again, the client is
3054       explicitly killed.
3055     */
3056
3057     ce.xclient.type = ClientMessage;
3058     ce.xclient.message_type =  prop_atoms.wm_protocols;
3059     ce.xclient.display = ob_display;
3060     ce.xclient.window = self->window;
3061     ce.xclient.format = 32;
3062     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3063     ce.xclient.data.l[1] = event_curtime;
3064     ce.xclient.data.l[2] = 0l;
3065     ce.xclient.data.l[3] = 0l;
3066     ce.xclient.data.l[4] = 0l;
3067     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3068 }
3069
3070 void client_kill(ObClient *self)
3071 {
3072     XKillClient(ob_display, self->window);
3073 }
3074
3075 void client_hilite(ObClient *self, gboolean hilite)
3076 {
3077     if (self->demands_attention == hilite)
3078         return; /* no change */
3079
3080     /* don't allow focused windows to hilite */
3081     self->demands_attention = hilite && !client_focused(self);
3082     if (self->frame != NULL) { /* if we're mapping, just set the state */
3083         if (self->demands_attention)
3084             frame_flash_start(self->frame);
3085         else
3086             frame_flash_stop(self->frame);
3087         client_change_state(self);
3088     }
3089 }
3090
3091 void client_set_desktop_recursive(ObClient *self,
3092                                   guint target,
3093                                   gboolean donthide)
3094 {
3095     guint old;
3096     GSList *it;
3097
3098     if (target != self->desktop) {
3099
3100         ob_debug("Setting desktop %u\n", target+1);
3101
3102         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3103
3104         old = self->desktop;
3105         self->desktop = target;
3106         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3107         /* the frame can display the current desktop state */
3108         frame_adjust_state(self->frame);
3109         /* 'move' the window to the new desktop */
3110         if (!donthide)
3111             client_showhide(self);
3112         /* raise if it was not already on the desktop */
3113         if (old != DESKTOP_ALL)
3114             stacking_raise(CLIENT_AS_WINDOW(self));
3115         if (STRUT_EXISTS(self->strut))
3116             screen_update_areas();
3117     }
3118
3119     /* move all transients */
3120     for (it = self->transients; it; it = g_slist_next(it))
3121         if (it->data != self)
3122             if (client_is_direct_child(self, it->data))
3123                 client_set_desktop_recursive(it->data, target, donthide);
3124 }
3125
3126 void client_set_desktop(ObClient *self, guint target,
3127                         gboolean donthide)
3128 {
3129     self = client_search_top_normal_parent(self);
3130     client_set_desktop_recursive(self, target, donthide);
3131 }
3132
3133 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3134 {
3135     while (child != parent &&
3136            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3137         child = child->transient_for;
3138     return child == parent;
3139 }
3140
3141 ObClient *client_search_modal_child(ObClient *self)
3142 {
3143     GSList *it;
3144     ObClient *ret;
3145
3146     for (it = self->transients; it; it = g_slist_next(it)) {
3147         ObClient *c = it->data;
3148         if ((ret = client_search_modal_child(c))) return ret;
3149         if (c->modal) return c;
3150     }
3151     return NULL;
3152 }
3153
3154 gboolean client_validate(ObClient *self)
3155 {
3156     XEvent e;
3157
3158     XSync(ob_display, FALSE); /* get all events on the server */
3159
3160     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3161         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3162         XPutBackEvent(ob_display, &e);
3163         return FALSE;
3164     }
3165
3166     return TRUE;
3167 }
3168
3169 void client_set_wm_state(ObClient *self, glong state)
3170 {
3171     if (state == self->wmstate) return; /* no change */
3172
3173     switch (state) {
3174     case IconicState:
3175         client_iconify(self, TRUE, TRUE, FALSE);
3176         break;
3177     case NormalState:
3178         client_iconify(self, FALSE, TRUE, FALSE);
3179         break;
3180     }
3181 }
3182
3183 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3184 {
3185     gboolean shaded = self->shaded;
3186     gboolean fullscreen = self->fullscreen;
3187     gboolean undecorated = self->undecorated;
3188     gboolean max_horz = self->max_horz;
3189     gboolean max_vert = self->max_vert;
3190     gboolean modal = self->modal;
3191     gboolean iconic = self->iconic;
3192     gboolean demands_attention = self->demands_attention;
3193     gboolean above = self->above;
3194     gboolean below = self->below;
3195     gint i;
3196
3197     if (!(action == prop_atoms.net_wm_state_add ||
3198           action == prop_atoms.net_wm_state_remove ||
3199           action == prop_atoms.net_wm_state_toggle))
3200         /* an invalid action was passed to the client message, ignore it */
3201         return;
3202
3203     for (i = 0; i < 2; ++i) {
3204         Atom state = i == 0 ? data1 : data2;
3205
3206         if (!state) continue;
3207
3208         /* if toggling, then pick whether we're adding or removing */
3209         if (action == prop_atoms.net_wm_state_toggle) {
3210             if (state == prop_atoms.net_wm_state_modal)
3211                 action = modal ? prop_atoms.net_wm_state_remove :
3212                     prop_atoms.net_wm_state_add;
3213             else if (state == prop_atoms.net_wm_state_maximized_vert)
3214                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3215                     prop_atoms.net_wm_state_add;
3216             else if (state == prop_atoms.net_wm_state_maximized_horz)
3217                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3218                     prop_atoms.net_wm_state_add;
3219             else if (state == prop_atoms.net_wm_state_shaded)
3220                 action = shaded ? prop_atoms.net_wm_state_remove :
3221                     prop_atoms.net_wm_state_add;
3222             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3223                 action = self->skip_taskbar ?
3224                     prop_atoms.net_wm_state_remove :
3225                     prop_atoms.net_wm_state_add;
3226             else if (state == prop_atoms.net_wm_state_skip_pager)
3227                 action = self->skip_pager ?
3228                     prop_atoms.net_wm_state_remove :
3229                     prop_atoms.net_wm_state_add;
3230             else if (state == prop_atoms.net_wm_state_hidden)
3231                 action = self->iconic ?
3232                     prop_atoms.net_wm_state_remove :
3233                     prop_atoms.net_wm_state_add;
3234             else if (state == prop_atoms.net_wm_state_fullscreen)
3235                 action = fullscreen ?
3236                     prop_atoms.net_wm_state_remove :
3237                     prop_atoms.net_wm_state_add;
3238             else if (state == prop_atoms.net_wm_state_above)
3239                 action = self->above ? prop_atoms.net_wm_state_remove :
3240                     prop_atoms.net_wm_state_add;
3241             else if (state == prop_atoms.net_wm_state_below)
3242                 action = self->below ? prop_atoms.net_wm_state_remove :
3243                     prop_atoms.net_wm_state_add;
3244             else if (state == prop_atoms.net_wm_state_demands_attention)
3245                 action = self->demands_attention ?
3246                     prop_atoms.net_wm_state_remove :
3247                     prop_atoms.net_wm_state_add;
3248             else if (state == prop_atoms.ob_wm_state_undecorated)
3249                 action = undecorated ? prop_atoms.net_wm_state_remove :
3250                     prop_atoms.net_wm_state_add;
3251         }
3252
3253         if (action == prop_atoms.net_wm_state_add) {
3254             if (state == prop_atoms.net_wm_state_modal) {
3255                 modal = TRUE;
3256             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3257                 max_vert = TRUE;
3258             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3259                 max_horz = TRUE;
3260             } else if (state == prop_atoms.net_wm_state_shaded) {
3261                 shaded = TRUE;
3262             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3263                 self->skip_taskbar = TRUE;
3264             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3265                 self->skip_pager = TRUE;
3266             } else if (state == prop_atoms.net_wm_state_hidden) {
3267                 iconic = TRUE;
3268             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3269                 fullscreen = TRUE;
3270             } else if (state == prop_atoms.net_wm_state_above) {
3271                 above = TRUE;
3272                 below = FALSE;
3273             } else if (state == prop_atoms.net_wm_state_below) {
3274                 above = FALSE;
3275                 below = TRUE;
3276             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3277                 demands_attention = TRUE;
3278             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3279                 undecorated = TRUE;
3280             }
3281
3282         } else { /* action == prop_atoms.net_wm_state_remove */
3283             if (state == prop_atoms.net_wm_state_modal) {
3284                 modal = FALSE;
3285             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3286                 max_vert = FALSE;
3287             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3288                 max_horz = FALSE;
3289             } else if (state == prop_atoms.net_wm_state_shaded) {
3290                 shaded = FALSE;
3291             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3292                 self->skip_taskbar = FALSE;
3293             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3294                 self->skip_pager = FALSE;
3295             } else if (state == prop_atoms.net_wm_state_hidden) {
3296                 iconic = FALSE;
3297             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3298                 fullscreen = FALSE;
3299             } else if (state == prop_atoms.net_wm_state_above) {
3300                 above = FALSE;
3301             } else if (state == prop_atoms.net_wm_state_below) {
3302                 below = FALSE;
3303             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3304                 demands_attention = FALSE;
3305             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3306                 undecorated = FALSE;
3307             }
3308         }
3309     }
3310
3311     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3312         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3313             /* toggling both */
3314             if (max_horz == max_vert) { /* both going the same way */
3315                 client_maximize(self, max_horz, 0);
3316             } else {
3317                 client_maximize(self, max_horz, 1);
3318                 client_maximize(self, max_vert, 2);
3319             }
3320         } else {
3321             /* toggling one */
3322             if (max_horz != self->max_horz)
3323                 client_maximize(self, max_horz, 1);
3324             else
3325                 client_maximize(self, max_vert, 2);
3326         }
3327     }
3328     /* change fullscreen state before shading, as it will affect if the window
3329        can shade or not */
3330     if (fullscreen != self->fullscreen)
3331         client_fullscreen(self, fullscreen);
3332     if (shaded != self->shaded)
3333         client_shade(self, shaded);
3334     if (undecorated != self->undecorated)
3335         client_set_undecorated(self, undecorated);
3336     if (above != self->above || below != self->below) {
3337         self->above = above;
3338         self->below = below;
3339         client_calc_layer(self);
3340     }
3341
3342     if (modal != self->modal) {
3343         self->modal = modal;
3344         /* when a window changes modality, then its stacking order with its
3345            transients needs to change */
3346         stacking_raise(CLIENT_AS_WINDOW(self));
3347
3348         /* it also may get focused. if something is focused that shouldn't
3349            be focused anymore, then move the focus */
3350         if (focus_client && client_focus_target(focus_client) != focus_client)
3351             client_focus(focus_client);
3352     }
3353
3354     if (iconic != self->iconic)
3355         client_iconify(self, iconic, FALSE, FALSE);
3356
3357     if (demands_attention != self->demands_attention)
3358         client_hilite(self, demands_attention);
3359
3360     client_change_state(self); /* change the hint to reflect these changes */
3361 }
3362
3363 ObClient *client_focus_target(ObClient *self)
3364 {
3365     ObClient *child = NULL;
3366
3367     child = client_search_modal_child(self);
3368     if (child) return child;
3369     return self;
3370 }
3371
3372 gboolean client_can_focus(ObClient *self)
3373 {
3374     /* choose the correct target */
3375     self = client_focus_target(self);
3376
3377     if (!self->frame->visible)
3378         return FALSE;
3379
3380     if (!(self->can_focus || self->focus_notify))
3381         return FALSE;
3382
3383     return TRUE;
3384 }
3385
3386 gboolean client_focus(ObClient *self)
3387 {
3388     /* choose the correct target */
3389     self = client_focus_target(self);
3390
3391     if (!client_can_focus(self)) {
3392         if (!self->frame->visible) {
3393             /* update the focus lists */
3394             focus_order_to_top(self);
3395         }
3396         return FALSE;
3397     }
3398
3399     ob_debug_type(OB_DEBUG_FOCUS,
3400                   "Focusing client \"%s\" at time %u\n",
3401                   self->title, event_curtime);
3402
3403     /* if there is a grab going on, then we need to cancel it. if we move
3404        focus during the grab, applications will get NotifyWhileGrabbed events
3405        and ignore them !
3406
3407        actions should not rely on being able to move focus during an
3408        interactive grab.
3409     */
3410     if (keyboard_interactively_grabbed())
3411         keyboard_interactive_cancel();
3412
3413     xerror_set_ignore(TRUE);
3414     xerror_occured = FALSE;
3415
3416     if (self->can_focus) {
3417         /* This can cause a BadMatch error with CurrentTime, or if an app
3418            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3419         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3420                        event_curtime);
3421     }
3422
3423     if (self->focus_notify) {
3424         XEvent ce;
3425         ce.xclient.type = ClientMessage;
3426         ce.xclient.message_type = prop_atoms.wm_protocols;
3427         ce.xclient.display = ob_display;
3428         ce.xclient.window = self->window;
3429         ce.xclient.format = 32;
3430         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3431         ce.xclient.data.l[1] = event_curtime;
3432         ce.xclient.data.l[2] = 0l;
3433         ce.xclient.data.l[3] = 0l;
3434         ce.xclient.data.l[4] = 0l;
3435         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3436     }
3437
3438     xerror_set_ignore(FALSE);
3439
3440     return !xerror_occured;
3441 }
3442
3443 /*! Present the client to the user.
3444   @param raise If the client should be raised or not. You should only set
3445                raise to false if you don't care if the window is completely
3446                hidden.
3447 */
3448 static void client_present(ObClient *self, gboolean here, gboolean raise)
3449 {
3450     /* if using focus_delay, stop the timer now so that focus doesn't
3451        go moving on us */
3452     event_halt_focus_delay();
3453
3454     if (client_normal(self) && screen_showing_desktop)
3455         screen_show_desktop(FALSE, self);
3456     if (self->iconic)
3457         client_iconify(self, FALSE, here, FALSE);
3458     if (self->desktop != DESKTOP_ALL &&
3459         self->desktop != screen_desktop)
3460     {
3461         if (here)
3462             client_set_desktop(self, screen_desktop, FALSE);
3463         else
3464             screen_set_desktop(self->desktop, FALSE);
3465     } else if (!self->frame->visible)
3466         /* if its not visible for other reasons, then don't mess
3467            with it */
3468         return;
3469     if (self->shaded)
3470         client_shade(self, FALSE);
3471     if (raise)
3472         stacking_raise(CLIENT_AS_WINDOW(self));
3473
3474     client_focus(self);
3475 }
3476
3477 void client_activate(ObClient *self, gboolean here, gboolean user)
3478 {
3479     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3480     gboolean allow = FALSE;
3481
3482     /* if the request came from the user, or if nothing is focused, then grant
3483        the request.
3484        if the currently focused app doesn't set a user_time, then it can't
3485        benefit from any focus stealing prevention.
3486     */
3487     if (user || !focus_client || !last_time)
3488         allow = TRUE;
3489     /* otherwise, if they didn't give a time stamp or if it is too old, they
3490        don't get focus */
3491     else
3492         allow = event_curtime && event_time_after(event_curtime, last_time);
3493
3494     ob_debug_type(OB_DEBUG_FOCUS,
3495                   "Want to activate window 0x%x with time %u (last time %u), "
3496                   "source=%s allowing? %d\n",
3497                   self->window, event_curtime, last_time,
3498                   (user ? "user" : "application"), allow);
3499
3500     if (allow)
3501         client_present(self, here, TRUE);
3502     else
3503         /* don't focus it but tell the user it wants attention */
3504         client_hilite(self, TRUE);
3505 }
3506
3507 static void client_bring_helper_windows_recursive(ObClient *self,
3508                                                   guint desktop)
3509 {
3510     GSList *it;
3511
3512     for (it = self->transients; it; it = g_slist_next(it))
3513         client_bring_helper_windows_recursive(it->data, desktop);
3514
3515     if (client_helper(self) &&
3516         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3517     {
3518         client_set_desktop(self, desktop, FALSE);
3519     }
3520 }
3521
3522 void client_bring_helper_windows(ObClient *self)
3523 {
3524     client_bring_helper_windows_recursive(self, self->desktop);
3525 }
3526
3527 gboolean client_focused(ObClient *self)
3528 {
3529     return self == focus_client;
3530 }
3531
3532 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3533 {
3534     guint i;
3535     gulong min_diff, min_i;
3536
3537     if (!self->nicons) {
3538         ObClientIcon *parent = NULL;
3539
3540         if (self->transient_for) {
3541             if (self->transient_for != OB_TRAN_GROUP)
3542                 parent = client_icon_recursive(self->transient_for, w, h);
3543             else {
3544                 GSList *it;
3545                 for (it = self->group->members; it; it = g_slist_next(it)) {
3546                     ObClient *c = it->data;
3547                     if (c != self && !c->transient_for) {
3548                         if ((parent = client_icon_recursive(c, w, h)))
3549                             break;
3550                     }
3551                 }
3552             }
3553         }
3554
3555         return parent;
3556     }
3557
3558     /* some kind of crappy approximation to find the icon closest in size to
3559        what we requested, but icons are generally all the same ratio as
3560        eachother so it's good enough. */
3561
3562     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3563     min_i = 0;
3564
3565     for (i = 1; i < self->nicons; ++i) {
3566         gulong diff;
3567
3568         diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3569         if (diff < min_diff) {
3570             min_diff = diff;
3571             min_i = i;
3572         }
3573     }
3574     return &self->icons[min_i];
3575 }
3576
3577 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3578 {
3579     ObClientIcon *ret;
3580     static ObClientIcon deficon;
3581
3582     if (!(ret = client_icon_recursive(self, w, h))) {
3583         deficon.width = deficon.height = 48;
3584         deficon.data = ob_rr_theme->def_win_icon;
3585         ret = &deficon;
3586     }
3587     return ret;
3588 }
3589
3590 void client_set_layer(ObClient *self, gint layer)
3591 {
3592     if (layer < 0) {
3593         self->below = TRUE;
3594         self->above = FALSE;
3595     } else if (layer == 0) {
3596         self->below = self->above = FALSE;
3597     } else {
3598         self->below = FALSE;
3599         self->above = TRUE;
3600     }
3601     client_calc_layer(self);
3602     client_change_state(self); /* reflect this in the state hints */
3603 }
3604
3605 void client_set_undecorated(ObClient *self, gboolean undecorated)
3606 {
3607     if (self->undecorated != undecorated &&
3608         /* don't let it undecorate if the function is missing, but let
3609            it redecorate */
3610         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3611     {
3612         self->undecorated = undecorated;
3613         client_setup_decor_and_functions(self);
3614         client_change_state(self); /* reflect this in the state hints */
3615     }
3616 }
3617
3618 guint client_monitor(ObClient *self)
3619 {
3620     return screen_find_monitor(&self->frame->area);
3621 }
3622
3623 ObClient *client_search_top_normal_parent(ObClient *self)
3624 {
3625     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3626            client_normal(self->transient_for))
3627         self = self->transient_for;
3628     return self;
3629 }
3630
3631 static GSList *client_search_all_top_parents_internal(ObClient *self,
3632                                                       gboolean bylayer,
3633                                                       ObStackingLayer layer)
3634 {
3635     GSList *ret = NULL;
3636
3637     /* move up the direct transient chain as far as possible */
3638     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3639            (!bylayer || self->transient_for->layer == layer) &&
3640            client_normal(self->transient_for))
3641         self = self->transient_for;
3642
3643     if (!self->transient_for)
3644         ret = g_slist_prepend(ret, self);
3645     else {
3646             GSList *it;
3647
3648             g_assert(self->group);
3649
3650             for (it = self->group->members; it; it = g_slist_next(it)) {
3651                 ObClient *c = it->data;
3652
3653                 if (!c->transient_for && client_normal(c) &&
3654                     (!bylayer || c->layer == layer))
3655                 {
3656                     ret = g_slist_prepend(ret, c);
3657                 }
3658             }
3659
3660             if (ret == NULL) /* no group parents */
3661                 ret = g_slist_prepend(ret, self);
3662     }
3663
3664     return ret;
3665 }
3666
3667 GSList *client_search_all_top_parents(ObClient *self)
3668 {
3669     return client_search_all_top_parents_internal(self, FALSE, 0);
3670 }
3671
3672 GSList *client_search_all_top_parents_layer(ObClient *self)
3673 {
3674     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3675 }
3676
3677 ObClient *client_search_focus_parent(ObClient *self)
3678 {
3679     if (self->transient_for) {
3680         if (self->transient_for != OB_TRAN_GROUP) {
3681             if (client_focused(self->transient_for))
3682                 return self->transient_for;
3683         } else {
3684             GSList *it;
3685
3686             for (it = self->group->members; it; it = g_slist_next(it)) {
3687                 ObClient *c = it->data;
3688
3689                 /* checking transient_for prevents infinate loops! */
3690                 if (c != self && !c->transient_for)
3691                     if (client_focused(c))
3692                         return c;
3693             }
3694         }
3695     }
3696
3697     return NULL;
3698 }
3699
3700 ObClient *client_search_parent(ObClient *self, ObClient *search)
3701 {
3702     if (self->transient_for) {
3703         if (self->transient_for != OB_TRAN_GROUP) {
3704             if (self->transient_for == search)
3705                 return search;
3706         } else {
3707             GSList *it;
3708
3709             for (it = self->group->members; it; it = g_slist_next(it)) {
3710                 ObClient *c = it->data;
3711
3712                 /* checking transient_for prevents infinate loops! */
3713                 if (c != self && !c->transient_for)
3714                     if (c == search)
3715                         return search;
3716             }
3717         }
3718     }
3719
3720     return NULL;
3721 }
3722
3723 ObClient *client_search_transient(ObClient *self, ObClient *search)
3724 {
3725     GSList *sit;
3726
3727     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3728         if (sit->data == search)
3729             return search;
3730         if (client_search_transient(sit->data, search))
3731             return search;
3732     }
3733     return NULL;
3734 }
3735
3736 #define WANT_EDGE(cur, c) \
3737             if(cur == c)                                                      \
3738                 continue;                                                     \
3739             if(!client_normal(cur))                                           \
3740                 continue;                                                     \
3741             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3742                 continue;                                                     \
3743             if(cur->iconic)                                                   \
3744                 continue;
3745
3746 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3747             if ((his_edge_start >= my_edge_start && \
3748                  his_edge_start <= my_edge_end) ||  \
3749                 (my_edge_start >= his_edge_start && \
3750                  my_edge_start <= his_edge_end))    \
3751                 dest = his_offset;
3752
3753 /* finds the nearest edge in the given direction from the current client
3754  * note to self: the edge is the -frame- edge (the actual one), not the
3755  * client edge.
3756  */
3757 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3758 {
3759     gint dest, monitor_dest;
3760     gint my_edge_start, my_edge_end, my_offset;
3761     GList *it;
3762     Rect *a, *monitor;
3763
3764     if(!client_list)
3765         return -1;
3766
3767     a = screen_area(c->desktop);
3768     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3769
3770     switch(dir) {
3771     case OB_DIRECTION_NORTH:
3772         my_edge_start = c->frame->area.x;
3773         my_edge_end = c->frame->area.x + c->frame->area.width;
3774         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3775
3776         /* default: top of screen */
3777         dest = a->y + (hang ? c->frame->area.height : 0);
3778         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3779         /* if the monitor edge comes before the screen edge, */
3780         /* use that as the destination instead. (For xinerama) */
3781         if (monitor_dest != dest && my_offset > monitor_dest)
3782             dest = monitor_dest;
3783
3784         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3785             gint his_edge_start, his_edge_end, his_offset;
3786             ObClient *cur = it->data;
3787
3788             WANT_EDGE(cur, c)
3789
3790             his_edge_start = cur->frame->area.x;
3791             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3792             his_offset = cur->frame->area.y +
3793                          (hang ? 0 : cur->frame->area.height);
3794
3795             if(his_offset + 1 > my_offset)
3796                 continue;
3797
3798             if(his_offset < dest)
3799                 continue;
3800
3801             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3802         }
3803         break;
3804     case OB_DIRECTION_SOUTH:
3805         my_edge_start = c->frame->area.x;
3806         my_edge_end = c->frame->area.x + c->frame->area.width;
3807         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3808
3809         /* default: bottom of screen */
3810         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3811         monitor_dest = monitor->y + monitor->height -
3812                        (hang ? c->frame->area.height : 0);
3813         /* if the monitor edge comes before the screen edge, */
3814         /* use that as the destination instead. (For xinerama) */
3815         if (monitor_dest != dest && my_offset < monitor_dest)
3816             dest = monitor_dest;
3817
3818         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3819             gint his_edge_start, his_edge_end, his_offset;
3820             ObClient *cur = it->data;
3821
3822             WANT_EDGE(cur, c)
3823
3824             his_edge_start = cur->frame->area.x;
3825             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3826             his_offset = cur->frame->area.y +
3827                          (hang ? cur->frame->area.height : 0);
3828
3829
3830             if(his_offset - 1 < my_offset)
3831                 continue;
3832
3833             if(his_offset > dest)
3834                 continue;
3835
3836             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3837         }
3838         break;
3839     case OB_DIRECTION_WEST:
3840         my_edge_start = c->frame->area.y;
3841         my_edge_end = c->frame->area.y + c->frame->area.height;
3842         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3843
3844         /* default: leftmost egde of screen */
3845         dest = a->x + (hang ? c->frame->area.width : 0);
3846         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3847         /* if the monitor edge comes before the screen edge, */
3848         /* use that as the destination instead. (For xinerama) */
3849         if (monitor_dest != dest && my_offset > monitor_dest)
3850             dest = monitor_dest;
3851
3852         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3853             gint his_edge_start, his_edge_end, his_offset;
3854             ObClient *cur = it->data;
3855
3856             WANT_EDGE(cur, c)
3857
3858             his_edge_start = cur->frame->area.y;
3859             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3860             his_offset = cur->frame->area.x +
3861                          (hang ? 0 : cur->frame->area.width);
3862
3863             if(his_offset + 1 > my_offset)
3864                 continue;
3865
3866             if(his_offset < dest)
3867                 continue;
3868
3869             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3870         }
3871        break;
3872     case OB_DIRECTION_EAST:
3873         my_edge_start = c->frame->area.y;
3874         my_edge_end = c->frame->area.y + c->frame->area.height;
3875         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3876
3877         /* default: rightmost edge of screen */
3878         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3879         monitor_dest = monitor->x + monitor->width -
3880                        (hang ? c->frame->area.width : 0);
3881         /* if the monitor edge comes before the screen edge, */
3882         /* use that as the destination instead. (For xinerama) */
3883         if (monitor_dest != dest && my_offset < monitor_dest)
3884             dest = monitor_dest;
3885
3886         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3887             gint his_edge_start, his_edge_end, his_offset;
3888             ObClient *cur = it->data;
3889
3890             WANT_EDGE(cur, c)
3891
3892             his_edge_start = cur->frame->area.y;
3893             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3894             his_offset = cur->frame->area.x +
3895                          (hang ? cur->frame->area.width : 0);
3896
3897             if(his_offset - 1 < my_offset)
3898                 continue;
3899
3900             if(his_offset > dest)
3901                 continue;
3902
3903             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3904         }
3905         break;
3906     case OB_DIRECTION_NORTHEAST:
3907     case OB_DIRECTION_SOUTHEAST:
3908     case OB_DIRECTION_NORTHWEST:
3909     case OB_DIRECTION_SOUTHWEST:
3910         /* not implemented */
3911     default:
3912         g_assert_not_reached();
3913         dest = 0; /* suppress warning */
3914     }
3915     return dest;
3916 }
3917
3918 ObClient* client_under_pointer()
3919 {
3920     gint x, y;
3921     GList *it;
3922     ObClient *ret = NULL;
3923
3924     if (screen_pointer_pos(&x, &y)) {
3925         for (it = stacking_list; it; it = g_list_next(it)) {
3926             if (WINDOW_IS_CLIENT(it->data)) {
3927                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3928                 if (c->frame->visible &&
3929                     /* ignore all animating windows */
3930                     !frame_iconify_animating(c->frame) &&
3931                     RECT_CONTAINS(c->frame->area, x, y))
3932                 {
3933                     ret = c;
3934                     break;
3935                 }
3936             }
3937         }
3938     }
3939     return ret;
3940 }
3941
3942 gboolean client_has_group_siblings(ObClient *self)
3943 {
3944     return self->group && self->group->members->next;
3945 }