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     gint placex, placey;
 245
 246     grab_server(TRUE);
 247
 248     /* check if it has already been unmapped by the time we started
 249        mapping. the grab does a sync so we don't have to here */
 250     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 251         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 252     {
 253         XPutBackEvent(ob_display, &e);
 254
 255         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 256         grab_server(FALSE);
 257         return; /* don't manage it */
 258     }
 259
 260     /* make sure it isn't an override-redirect window */
 261     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 262         attrib.override_redirect)
 263     {
 264         grab_server(FALSE);
 265         return; /* don't manage it */
 266     }
 267
 268     /* is the window a docking app */
 269     if ((wmhint = XGetWMHints(ob_display, window))) {
 270         if ((wmhint->flags & StateHint) &&
 271             wmhint->initial_state == WithdrawnState)
 272         {
 273             dock_add(window, wmhint);
 274             grab_server(FALSE);
 275             XFree(wmhint);
 276             return;
 277         }
 278         XFree(wmhint);
 279     }
 280
 281     ob_debug("Managing window: %lx\n", window);
 282
 283     /* choose the events we want to receive on the CLIENT window */
 284     attrib_set.event_mask = CLIENT_EVENTMASK;
 285     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 286     XChangeWindowAttributes(ob_display, window,
 287                             CWEventMask|CWDontPropagate, &attrib_set);
 288
 289     /* create the ObClient struct, and populate it from the hints on the
 290        window */
 291     self = g_new0(ObClient, 1);
 292     self->obwin.type = Window_Client;
 293     self->window = window;
 294
 295     /* non-zero defaults */
 296     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 297     self->gravity = NorthWestGravity;
 298     self->desktop = screen_num_desktops; /* always an invalid value */
 299     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 300
 301     /* get all the stuff off the window */
 302     client_get_all(self, TRUE);
 303
 304     /* specify that if we exit, the window should not be destroyed and
 305        should be reparented back to root automatically */
 306     XChangeSaveSet(ob_display, window, SetModeInsert);
 307
 308     /* create the decoration frame for the client window */
 309     self->frame = frame_new(self);
 310
 311     frame_grab_client(self->frame);
 312
 313     /* we've grabbed everything and set everything that we need to at mapping
 314        time now */
 315     grab_server(FALSE);
 316
 317     /* per-app settings override stuff from client_get_all, and return the
 318        settings for other uses too. the returned settings is a shallow copy,
 319        that needs to be freed with g_free(). */
 320     settings = client_get_settings_state(self);
 321     /* the session should get the last say thought */
 322     client_restore_session_state(self);
 323
 324     /* now we have all of the window's information so we can set this up */
 325     client_setup_decor_and_functions(self);
 326
 327     /* remove the client's border (and adjust re gravity) */
 328     client_toggle_border(self, FALSE);
 329
 330     {
 331         Time t = sn_app_started(self->startup_id, self->class);
 332         if (t) self->user_time = t;
 333     }
 334
 335     /* do this after we have a frame.. it uses the frame to help determine the
 336        WM_STATE to apply. */
 337     client_change_state(self);
 338
 339     /* add ourselves to the focus order */
 340     focus_order_add_new(self);
 341
 342     /* do this to add ourselves to the stacking list in a non-intrusive way */
 343     client_calc_layer(self);
 344
 345     /* focus the new window? */
 346     if (ob_state() != OB_STATE_STARTING &&
 347         (!self->session || self->session->focused) &&
 348         !self->iconic &&
 349         /* this means focus=true for window is same as config_focus_new=true */
 350         ((config_focus_new || (settings && settings->focus == 1)) ||
 351          client_search_focus_parent(self)) &&
 352         /* this checks for focus=false for the window */
 353         (!settings || settings->focus != 0) &&
 354         /* note the check against Type_Normal/Dialog, not client_normal(self),
 355            which would also include other types. in this case we want more
 356            strict rules for focus */
 357         (self->type == OB_CLIENT_TYPE_NORMAL ||
 358          self->type == OB_CLIENT_TYPE_DIALOG))
 359     {
 360         activate = TRUE;
 361     }
 362
 363     /* adjust the frame to the client's size before showing or placing
 364        the window */
 365     frame_adjust_area(self->frame, FALSE, TRUE, FALSE);
 366     frame_adjust_client_area(self->frame);
 367
 368     /* where the frame was placed is where the window was originally */
 369     placex = self->area.x;
 370     placey = self->area.y;
 371
 372     /* figure out placement for the window */
 373     if (ob_state() == OB_STATE_RUNNING) {
 374         gboolean transient;
 375
 376         ob_debug("Positioned: %s @ %d %d\n",
 377                  (!self->positioned ? "no" :
 378                   (self->positioned == PPosition ? "program specified" :
 379                    (self->positioned == USPosition ? "user specified" :
 380                     "BADNESS !?"))), self->area.x, self->area.y);
 381
 382         transient = place_client(self, &placex, &placey, settings);
 383
 384         /* make sure the window is visible. */
 385         client_find_onscreen(self, &placex, &placey,
 386                              self->area.width, self->area.height,
 387                              /* non-normal clients has less rules, and
 388                                 windows that are being restored from a
 389                                 session do also. we can assume you want
 390                                 it back where you saved it. Clients saying
 391                                 they placed themselves are subjected to
 392                                 harder rules, ones that are placed by
 393                                 place.c or by the user are allowed partially
 394                                 off-screen and on xinerama divides (ie,
 395                                 it is up to the placement routines to avoid
 396                                 the xinerama divides) */
 397                              transient ||
 398                              (((self->positioned & PPosition) &&
 399                                !(self->positioned & USPosition)) &&
 400                               client_normal(self) &&
 401                               !self->session));
 402     }
 403
 404     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 405              self->window, placex, placey,
 406              self->area.width, self->area.height);
 407     if (self->session)
 408         ob_debug("  but session requested %d %d instead, overriding\n",
 409                  self->session->x, self->session->y);
 410
 411     /* do this after the window is placed, so the premax/prefullscreen numbers
 412        won't be all wacko!!
 413        also, this moves the window to the position where it has been placed
 414     */
 415     client_apply_startup_state(self);
 416
 417     /* move the client to its placed position, or it it's already there,
 418        generate a ConfigureNotify telling the client where it is.
 419
 420        do this after adjusting the frame. otherwise it gets all weird and
 421        clients don't work right
 422
 423        also do this after applying the startup state so maximize and fullscreen
 424        will get the right sizes and positions if the client is starting with
 425        those states
 426     */
 427     client_configure(self, placex, placey,
 428                      self->area.width, self->area.height,
 429                      FALSE, TRUE);
 430
 431
 432     if (activate) {
 433         guint32 last_time = focus_client ?
 434             focus_client->user_time : CurrentTime;
 435
 436         /* This is focus stealing prevention */
 437         ob_debug_type(OB_DEBUG_FOCUS,
 438                       "Want to focus new window 0x%x with time %u "
 439                       "(last time %u)\n",
 440                       self->window, self->user_time, last_time);
 441
 442         /* if it's on another desktop */
 443         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 444             && /* the timestamp is from before you changed desktops */
 445             self->user_time && screen_desktop_user_time &&
 446             !event_time_after(self->user_time, screen_desktop_user_time))
 447         {
 448             activate = FALSE;
 449             ob_debug_type(OB_DEBUG_FOCUS,
 450                           "Not focusing the window because its on another "
 451                           "desktop\n");
 452         }
 453         /* If something is focused, and it's not our parent... */
 454         else if (focus_client && client_search_focus_parent(self) == NULL)
 455         {
 456             /* If time stamp is old, don't steal focus */
 457             if (self->user_time && last_time &&
 458                 !event_time_after(self->user_time, last_time))
 459             {
 460                 activate = FALSE;
 461                 ob_debug_type(OB_DEBUG_FOCUS,
 462                               "Not focusing the window because the time is "
 463                               "too old\n");
 464             }
 465             /* Don't steal focus from globally active clients.
 466                I stole this idea from KWin. It seems nice.
 467              */
 468             if (!(focus_client->can_focus || focus_client->focus_notify)) {
 469                 activate = FALSE;
 470                 ob_debug_type(OB_DEBUG_FOCUS,
 471                               "Not focusing the window because a globally "
 472                               "active client has focus\n");
 473             }
 474         }
 475
 476         if (!activate) {
 477             ob_debug_type(OB_DEBUG_FOCUS,
 478                           "Focus stealing prevention activated for %s with "
 479                           "time %u (last time %u)\n",
 480                           self->title, self->user_time, last_time);
 481             /* if the client isn't focused, then hilite it so the user
 482                knows it is there */
 483             client_hilite(self, TRUE);
 484         }
 485     }
 486     else {
 487         /* This may look rather odd. Well it's because new windows are added
 488            to the stacking order non-intrusively. If we're not going to focus
 489            the new window or hilite it, then we raise it to the top. This will
 490            take affect for things that don't get focused like splash screens.
 491            Also if you don't have focus_new enabled, then it's going to get
 492            raised to the top. Legacy begets legacy I guess?
 493         */
 494         if (!client_restore_session_stacking(self))
 495             stacking_raise(CLIENT_AS_WINDOW(self));
 496     }
 497
 498     mouse_grab_for_client(self, TRUE);
 499
 500     /* this has to happen before we try focus the window, but we want it to
 501        happen after the client's stacking has been determined or it looks bad
 502     */
 503     client_show(self);
 504
 505     if (activate) {
 506         gboolean stacked = client_restore_session_stacking(self);
 507         client_present(self, FALSE, !stacked);
 508     }
 509
 510     /* add to client list/map */
 511     client_list = g_list_append(client_list, self);
 512     g_hash_table_insert(window_map, &self->window, self);
 513
 514     /* this has to happen after we're in the client_list */
 515     if (STRUT_EXISTS(self->strut))
 516         screen_update_areas();
 517
 518     /* update the list hints */
 519     client_set_list();
 520
 521     /* free the ObAppSettings shallow copy */
 522     g_free(settings);
 523
 524     ob_debug("Managed window 0x%lx plate 0x%x (%s)\n",
 525              window, self->frame->plate, self->class);
 526
 527     return;
 528 }
 529
 530
 531 ObClient *client_fake_manage(Window window)
 532 {
 533     ObClient *self;
 534     ObAppSettings *settings;
 535
 536     ob_debug("Pretend-managing window: %lx\n", window);
 537
 538     /* do this minimal stuff to figure out the client's decorations */
 539
 540     self = g_new0(ObClient, 1);
 541     self->window = window;
 542
 543     client_get_all(self, FALSE);
 544     /* per-app settings override stuff, and return the settings for other
 545        uses too. this returns a shallow copy that needs to be freed */
 546     settings = client_get_settings_state(self);
 547
 548     client_setup_decor_and_functions(self);
 549
 550     /* create the decoration frame for the client window and adjust its size */
 551     self->frame = frame_new(self);
 552     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
 553
 554     /* free the ObAppSettings shallow copy */
 555     g_free(settings);
 556
 557     return self;
 558 }
 559
 560 void client_unmanage_all()
 561 {
 562     while (client_list != NULL)
 563         client_unmanage(client_list->data);
 564 }
 565
 566 void client_unmanage(ObClient *self)
 567 {
 568     guint j;
 569     GSList *it;
 570
 571     ob_debug("Unmanaging window: 0x%x plate 0x%x (%s) (%s)\n",
 572              self->window, self->frame->plate,
 573              self->class, self->title ? self->title : "");
 574
 575     g_assert(self != NULL);
 576
 577     /* we dont want events no more. do this before hiding the frame so we
 578        don't generate more events */
 579     XSelectInput(ob_display, self->window, NoEventMask);
 580
 581     frame_hide(self->frame);
 582     /* flush to send the hide to the server quickly */
 583     XFlush(ob_display);
 584
 585     /* ignore enter events from the unmap so it doesnt mess with the
 586        focus */
 587     event_ignore_all_queued_enters();
 588
 589     mouse_grab_for_client(self, FALSE);
 590
 591     /* remove the window from our save set */
 592     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 593
 594     /* kill the property windows */
 595     propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
 596
 597     /* update the focus lists */
 598     focus_order_remove(self);
 599     if (client_focused(self)) {
 600         /* don't leave an invalid focus_client */
 601         focus_client = NULL;
 602     }
 603
 604     client_list = g_list_remove(client_list, self);
 605     stacking_remove(self);
 606     g_hash_table_remove(window_map, &self->window);
 607
 608     /* once the client is out of the list, update the struts to remove its
 609        influence */
 610     if (STRUT_EXISTS(self->strut))
 611         screen_update_areas();
 612
 613     client_call_notifies(self, client_destroy_notifies);
 614
 615     /* tell our parent(s) that we're gone */
 616     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 617         for (it = self->group->members; it; it = g_slist_next(it))
 618             if (it->data != self)
 619                 ((ObClient*)it->data)->transients =
 620                     g_slist_remove(((ObClient*)it->data)->transients,self);
 621     } else if (self->transient_for) {        /* transient of window */
 622         self->transient_for->transients =
 623             g_slist_remove(self->transient_for->transients, self);
 624     }
 625
 626     /* tell our transients that we're gone */
 627     for (it = self->transients; it; it = g_slist_next(it)) {
 628         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 629             ((ObClient*)it->data)->transient_for = NULL;
 630             client_calc_layer(it->data);
 631         }
 632     }
 633
 634     /* remove from its group */
 635     if (self->group) {
 636         group_remove(self->group, self);
 637         self->group = NULL;
 638     }
 639
 640     /* restore the window's original geometry so it is not lost */
 641     {
 642         Rect a;
 643
 644         /* give the client its border back */
 645         client_toggle_border(self, TRUE);
 646
 647         a = self->area;
 648
 649         if (self->fullscreen)
 650             a = self->pre_fullscreen_area;
 651         else if (self->max_horz || self->max_vert) {
 652             if (self->max_horz) {
 653                 a.x = self->pre_max_area.x;
 654                 a.width = self->pre_max_area.width;
 655             }
 656             if (self->max_vert) {
 657                 a.y = self->pre_max_area.y;
 658                 a.height = self->pre_max_area.height;
 659             }
 660         }
 661
 662         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 663         /* let it be moved and resized no matter what */
 664         self->functions = OB_CLIENT_FUNC_MOVE | OB_CLIENT_FUNC_RESIZE;
 665         self->decorations = 0; /* unmanaged windows have no decor */
 666
 667         client_move_resize(self, a.x, a.y, a.width, a.height);
 668     }
 669
 670     /* reparent the window out of the frame, and free the frame */
 671     frame_release_client(self->frame);
 672     frame_free(self->frame);
 673     self->frame = NULL;
 674
 675     if (ob_state() != OB_STATE_EXITING) {
 676         /* these values should not be persisted across a window
 677            unmapping/mapping */
 678         PROP_ERASE(self->window, net_wm_desktop);
 679         PROP_ERASE(self->window, net_wm_state);
 680         PROP_ERASE(self->window, wm_state);
 681     } else {
 682         /* if we're left in an unmapped state, the client wont be mapped.
 683            this is bad, since we will no longer be managing the window on
 684            restart */
 685         XMapWindow(ob_display, self->window);
 686     }
 687
 688     /* update the list hints */
 689     client_set_list();
 690
 691     ob_debug("Unmanaged window 0x%lx\n", self->window);
 692
 693     /* free all data allocated in the client struct */
 694     g_slist_free(self->transients);
 695     for (j = 0; j < self->nicons; ++j)
 696         g_free(self->icons[j].data);
 697     if (self->nicons > 0)
 698         g_free(self->icons);
 699     g_free(self->wm_command);
 700     g_free(self->title);
 701     g_free(self->icon_title);
 702     g_free(self->name);
 703     g_free(self->class);
 704     g_free(self->role);
 705     g_free(self->client_machine);
 706     g_free(self->sm_client_id);
 707     g_free(self);
 708 }
 709
 710 void client_fake_unmanage(ObClient *self)
 711 {
 712     /* this is all that got allocated to get the decorations */
 713
 714     frame_free(self->frame);
 715     g_free(self);
 716 }
 717
 718 /*! Returns a new structure containing the per-app settings for this client.
 719   The returned structure needs to be freed with g_free. */
 720 static ObAppSettings *client_get_settings_state(ObClient *self)
 721 {
 722     ObAppSettings *settings;
 723     GSList *it;
 724
 725     settings = config_create_app_settings();
 726
 727     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 728         ObAppSettings *app = it->data;
 729         gboolean match = TRUE;
 730
 731         g_assert(app->name != NULL || app->class != NULL);
 732
 733         /* we know that either name or class is not NULL so it will have to
 734            match to use the rule */
 735         if (app->name &&
 736             !g_pattern_match(app->name, strlen(self->name), self->name, NULL))
 737             match = FALSE;
 738         else if (app->class &&
 739                 !g_pattern_match(app->class,
 740                                  strlen(self->class), self->class, NULL))
 741             match = FALSE;
 742         else if (app->role &&
 743                  !g_pattern_match(app->role,
 744                                   strlen(self->role), self->role, NULL))
 745             match = FALSE;
 746
 747         if (match) {
 748             ob_debug("Window matching: %s\n", app->name);
 749
 750             /* copy the settings to our struct, overriding the existing
 751                settings if they are not defaults */
 752             config_app_settings_copy_non_defaults(app, settings);
 753         }
 754     }
 755
 756     if (settings->shade != -1)
 757         self->shaded = !!settings->shade;
 758     if (settings->decor != -1)
 759         self->undecorated = !settings->decor;
 760     if (settings->iconic != -1)
 761         self->iconic = !!settings->iconic;
 762     if (settings->skip_pager != -1)
 763         self->skip_pager = !!settings->skip_pager;
 764     if (settings->skip_taskbar != -1)
 765         self->skip_taskbar = !!settings->skip_taskbar;
 766
 767     if (settings->max_vert != -1)
 768         self->max_vert = !!settings->max_vert;
 769     if (settings->max_horz != -1)
 770         self->max_horz = !!settings->max_horz;
 771
 772     if (settings->fullscreen != -1)
 773         self->fullscreen = !!settings->fullscreen;
 774
 775     if (settings->desktop) {
 776         if (settings->desktop == DESKTOP_ALL)
 777             self->desktop = settings->desktop;
 778         else if (settings->desktop > 0 &&
 779                  settings->desktop <= screen_num_desktops)
 780             self->desktop = settings->desktop - 1;
 781     }
 782
 783     if (settings->layer == -1) {
 784         self->below = TRUE;
 785         self->above = FALSE;
 786     }
 787     else if (settings->layer == 0) {
 788         self->below = FALSE;
 789         self->above = FALSE;
 790     }
 791     else if (settings->layer == 1) {
 792         self->below = FALSE;
 793         self->above = TRUE;
 794     }
 795     return settings;
 796 }
 797
 798 static void client_restore_session_state(ObClient *self)
 799 {
 800     GList *it;
 801
 802     ob_debug_type(OB_DEBUG_SM,
 803                   "Restore session for client %s\n", self->title);
 804
 805     if (!(it = session_state_find(self))) {
 806         ob_debug_type(OB_DEBUG_SM,
 807                       "Session data not found for client %s\n", self->title);
 808         return;
 809     }
 810
 811     self->session = it->data;
 812
 813     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 814                   self->title);
 815
 816     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 817     self->positioned = USPosition;
 818     if (self->session->w > 0)
 819         self->area.width = self->session->w;
 820     if (self->session->h > 0)
 821         self->area.height = self->session->h;
 822     XResizeWindow(ob_display, self->window,
 823                   self->area.width, self->area.height);
 824
 825     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 826                      self->session->desktop :
 827                      MIN(screen_num_desktops - 1, self->session->desktop));
 828     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 829
 830     self->shaded = self->session->shaded;
 831     self->iconic = self->session->iconic;
 832     self->skip_pager = self->session->skip_pager;
 833     self->skip_taskbar = self->session->skip_taskbar;
 834     self->fullscreen = self->session->fullscreen;
 835     self->above = self->session->above;
 836     self->below = self->session->below;
 837     self->max_horz = self->session->max_horz;
 838     self->max_vert = self->session->max_vert;
 839     self->undecorated = self->session->undecorated;
 840 }
 841
 842 static gboolean client_restore_session_stacking(ObClient *self)
 843 {
 844     GList *it, *mypos;
 845
 846     if (!self->session) return FALSE;
 847
 848     mypos = g_list_find(session_saved_state, self->session);
 849     if (!mypos) return FALSE;
 850
 851     /* start above me and look for the first client */
 852     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 853         GList *cit;
 854
 855         for (cit = client_list; cit; cit = g_list_next(cit)) {
 856             ObClient *c = cit->data;
 857             /* found a client that was in the session, so go below it */
 858             if (c->session == it->data) {
 859                 stacking_below(CLIENT_AS_WINDOW(self),
 860                                CLIENT_AS_WINDOW(cit->data));
 861                 return TRUE;
 862             }
 863         }
 864     }
 865     return FALSE;
 866 }
 867
 868 void client_move_onscreen(ObClient *self, gboolean rude)
 869 {
 870     gint x = self->area.x;
 871     gint y = self->area.y;
 872     if (client_find_onscreen(self, &x, &y,
 873                              self->area.width,
 874                              self->area.height, rude)) {
 875         client_move(self, x, y);
 876     }
 877 }
 878
 879 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 880                               gboolean rude)
 881 {
 882     Rect *mon_a, *all_a;
 883     gint ox = *x, oy = *y;
 884     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 885     gint fw, fh;
 886     Rect desired;
 887
 888     RECT_SET(desired, *x, *y, w, h);
 889     all_a = screen_area(self->desktop);
 890     mon_a = screen_area_monitor(self->desktop, screen_find_monitor(&desired));
 891
 892     /* get where the frame would be */
 893     frame_client_gravity(self->frame, x, y, w, h);
 894
 895     /* get the requested size of the window with decorations */
 896     fw = self->frame->size.left + w + self->frame->size.right;
 897     fh = self->frame->size.top + h + self->frame->size.bottom;
 898
 899     /* This makes sure windows aren't entirely outside of the screen so you
 900        can't see them at all.
 901        It makes sure 10% of the window is on the screen at least. At don't let
 902        it move itself off the top of the screen, which would hide the titlebar
 903        on you. (The user can still do this if they want too, it's only limiting
 904        the application.
 905
 906        XXX watch for xinerama dead areas...
 907     */
 908     if (client_normal(self)) {
 909         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 910             *x = all_a->x + all_a->width - fw/10;
 911         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 912             *y = all_a->y + all_a->height - fh/10;
 913         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 914             *x = all_a->x - fw*9/10;
 915         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 916             *y = all_a->y - fw*9/10;
 917     }
 918
 919     /* If rudeness wasn't requested, then figure out of the client is currently
 920        entirely on the screen. If it is, and the position isn't changing by
 921        request, and it is enlarging, then be rude even though it wasn't
 922        requested */
 923     if (!rude) {
 924         Point oldtl, oldtr, oldbl, oldbr;
 925         Point newtl, newtr, newbl, newbr;
 926         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 927
 928         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 929         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 930                   self->frame->area.y + self->frame->area.height - 1);
 931         POINT_SET(oldtr, oldbr.x, oldtl.y);
 932         POINT_SET(oldbl, oldtl.x, oldbr.y);
 933
 934         POINT_SET(newtl, *x, *y);
 935         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 936         POINT_SET(newtr, newbr.x, newtl.y);
 937         POINT_SET(newbl, newtl.x, newbr.y);
 938
 939         /* is it moving or just resizing from some corner? */
 940         stationary_l = oldtl.x == newtl.x;
 941         stationary_r = oldtr.x == newtr.x;
 942         stationary_t = oldtl.y == newtl.y;
 943         stationary_b = oldbl.y == newbl.y;
 944
 945         /* if left edge is growing and didnt move right edge */
 946         if (stationary_r && newtl.x < oldtl.x)
 947             rudel = TRUE;
 948         /* if right edge is growing and didnt move left edge */
 949         if (stationary_l && newtr.x > oldtr.x)
 950             ruder = TRUE;
 951         /* if top edge is growing and didnt move bottom edge */
 952         if (stationary_b && newtl.y < oldtl.y)
 953             rudet = TRUE;
 954         /* if bottom edge is growing and didnt move top edge */
 955         if (stationary_t && newbl.y > oldbl.y)
 956             rudeb = TRUE;
 957     }
 958
 959     /* This here doesn't let windows even a pixel outside the struts/screen.
 960      * When called from client_manage, programs placing themselves are
 961      * forced completely onscreen, while things like
 962      * xterm -geometry resolution-width/2 will work fine. Trying to
 963      * place it completely offscreen will be handled in the above code.
 964      * Sorry for this confused comment, i am tired. */
 965     if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 966     if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 967         *x = mon_a->x + MAX(0, mon_a->width - fw);
 968
 969     if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 970     if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 971         *y = mon_a->y + MAX(0, mon_a->height - fh);
 972
 973     /* get where the client should be */
 974     frame_frame_gravity(self->frame, x, y, w, h);
 975
 976     return ox != *x || oy != *y;
 977 }
 978
 979 static void client_toggle_border(ObClient *self, gboolean show)
 980 {
 981     /* adjust our idea of where the client is, based on its border. When the
 982        border is removed, the client should now be considered to be in a
 983        different position.
 984        when re-adding the border to the client, the same operation needs to be
 985        reversed. */
 986     gint oldx = self->area.x, oldy = self->area.y;
 987     gint x = oldx, y = oldy;
 988     switch(self->gravity) {
 989     default:
 990     case NorthWestGravity:
 991     case WestGravity:
 992     case SouthWestGravity:
 993         break;
 994     case NorthEastGravity:
 995     case EastGravity:
 996     case SouthEastGravity:
 997         if (show) x -= self->border_width * 2;
 998         else      x += self->border_width * 2;
 999         break;
1000     case NorthGravity:
1001     case SouthGravity:
1002     case CenterGravity:
1003     case ForgetGravity:
1004     case StaticGravity:
1005         if (show) x -= self->border_width;
1006         else      x += self->border_width;
1007         break;
1008     }
1009     switch(self->gravity) {
1010     default:
1011     case NorthWestGravity:
1012     case NorthGravity:
1013     case NorthEastGravity:
1014         break;
1015     case SouthWestGravity:
1016     case SouthGravity:
1017     case SouthEastGravity:
1018         if (show) y -= self->border_width * 2;
1019         else      y += self->border_width * 2;
1020         break;
1021     case WestGravity:
1022     case EastGravity:
1023     case CenterGravity:
1024     case ForgetGravity:
1025     case StaticGravity:
1026         if (show) y -= self->border_width;
1027         else      y += self->border_width;
1028         break;
1029     }
1030     self->area.x = x;
1031     self->area.y = y;
1032
1033     if (show) {
1034         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
1035
1036         /* set border_width to 0 because there is no border to add into
1037            calculations anymore */
1038         self->border_width = 0;
1039     } else
1040         XSetWindowBorderWidth(ob_display, self->window, 0);
1041 }
1042
1043
1044 static void client_get_all(ObClient *self, gboolean real)
1045 {
1046     /* this is needed for the frame to set itself up */
1047     client_get_area(self);
1048
1049     /* these things can change the decor and functions of the window */
1050
1051     client_get_mwm_hints(self);
1052     /* this can change the mwmhints for special cases */
1053     client_get_type_and_transientness(self);
1054     client_get_state(self);
1055     client_update_normal_hints(self);
1056
1057     /* get the session related properties, these can change decorations
1058        from per-app settings */
1059     client_get_session_ids(self);
1060
1061     /* now we got everything that can affect the decorations */
1062     if (!real)
1063         return;
1064
1065     /* get this early so we have it for debugging */
1066     client_update_title(self);
1067
1068     client_update_protocols(self);
1069
1070     client_update_wmhints(self);
1071     /* this may have already been called from client_update_wmhints */
1072     if (self->transient_for == NULL)
1073         client_update_transient_for(self);
1074
1075     client_get_startup_id(self);
1076     client_get_desktop(self);/* uses transient data/group/startup id if a
1077                                 desktop is not specified */
1078     client_get_shaped(self);
1079
1080     {
1081         /* a couple type-based defaults for new windows */
1082
1083         /* this makes sure that these windows appear on all desktops */
1084         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1085             self->desktop = DESKTOP_ALL;
1086     }
1087
1088 #ifdef SYNC
1089     client_update_sync_request_counter(self);
1090 #endif
1091
1092     client_get_colormap(self);
1093     client_update_strut(self);
1094     client_update_icons(self);
1095     client_update_user_time_window(self);
1096     if (!self->user_time_window) /* check if this would have been called */
1097         client_update_user_time(self);
1098     client_update_icon_geometry(self);
1099 }
1100
1101 static void client_get_startup_id(ObClient *self)
1102 {
1103     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1104         if (self->group)
1105             PROP_GETS(self->group->leader,
1106                       net_startup_id, utf8, &self->startup_id);
1107 }
1108
1109 static void client_get_area(ObClient *self)
1110 {
1111     XWindowAttributes wattrib;
1112     Status ret;
1113
1114     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1115     g_assert(ret != BadWindow);
1116
1117     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1118     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1119     self->border_width = wattrib.border_width;
1120
1121     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1122              wattrib.width, wattrib.height);
1123 }
1124
1125 static void client_get_desktop(ObClient *self)
1126 {
1127     guint32 d = screen_num_desktops; /* an always-invalid value */
1128
1129     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1130         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1131             self->desktop = screen_num_desktops - 1;
1132         else
1133             self->desktop = d;
1134     } else {
1135         gboolean trdesk = FALSE;
1136
1137         if (self->transient_for) {
1138             if (self->transient_for != OB_TRAN_GROUP) {
1139                 self->desktop = self->transient_for->desktop;
1140                 trdesk = TRUE;
1141             } else {
1142                 GSList *it;
1143
1144                 for (it = self->group->members; it; it = g_slist_next(it))
1145                     if (it->data != self &&
1146                         !((ObClient*)it->data)->transient_for) {
1147                         self->desktop = ((ObClient*)it->data)->desktop;
1148                         trdesk = TRUE;
1149                         break;
1150                     }
1151             }
1152         }
1153         if (!trdesk) {
1154             /* try get from the startup-notification protocol */
1155             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1156                 if (self->desktop >= screen_num_desktops &&
1157                     self->desktop != DESKTOP_ALL)
1158                     self->desktop = screen_num_desktops - 1;
1159             } else
1160                 /* defaults to the current desktop */
1161                 self->desktop = screen_desktop;
1162         }
1163     }
1164 }
1165
1166 static void client_get_state(ObClient *self)
1167 {
1168     guint32 *state;
1169     guint num;
1170
1171     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1172         gulong i;
1173         for (i = 0; i < num; ++i) {
1174             if (state[i] == prop_atoms.net_wm_state_modal)
1175                 self->modal = TRUE;
1176             else if (state[i] == prop_atoms.net_wm_state_shaded)
1177                 self->shaded = TRUE;
1178             else if (state[i] == prop_atoms.net_wm_state_hidden)
1179                 self->iconic = TRUE;
1180             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1181                 self->skip_taskbar = TRUE;
1182             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1183                 self->skip_pager = TRUE;
1184             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1185                 self->fullscreen = TRUE;
1186             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1187                 self->max_vert = TRUE;
1188             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1189                 self->max_horz = TRUE;
1190             else if (state[i] == prop_atoms.net_wm_state_above)
1191                 self->above = TRUE;
1192             else if (state[i] == prop_atoms.net_wm_state_below)
1193                 self->below = TRUE;
1194             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1195                 self->demands_attention = TRUE;
1196             else if (state[i] == prop_atoms.ob_wm_state_undecorated)
1197                 self->undecorated = TRUE;
1198         }
1199
1200         g_free(state);
1201     }
1202 }
1203
1204 static void client_get_shaped(ObClient *self)
1205 {
1206     self->shaped = FALSE;
1207 #ifdef   SHAPE
1208     if (extensions_shape) {
1209         gint foo;
1210         guint ufoo;
1211         gint s;
1212
1213         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1214
1215         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1216                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1217                            &ufoo);
1218         self->shaped = (s != 0);
1219     }
1220 #endif
1221 }
1222
1223 void client_update_transient_for(ObClient *self)
1224 {
1225     Window t = None;
1226     ObClient *target = NULL;
1227
1228     if (XGetTransientForHint(ob_display, self->window, &t)) {
1229         if (t != self->window) { /* cant be transient to itself! */
1230             target = g_hash_table_lookup(window_map, &t);
1231             /* if this happens then we need to check for it*/
1232             g_assert(target != self);
1233             if (target && !WINDOW_IS_CLIENT(target)) {
1234                 /* this can happen when a dialog is a child of
1235                    a dockapp, for example */
1236                 target = NULL;
1237             }
1238
1239             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1240
1241                Setting the transient_for to Root is actually illegal, however
1242                applications from time have done this to specify transient for
1243                their group.
1244
1245                Now you can do that by being a TYPE_DIALOG and not setting
1246                the transient_for hint at all on your window. But people still
1247                use Root, and Kwin is very strange in this regard.
1248
1249                KWin 3.0 will not consider windows with transient_for set to
1250                Root as transient for their group *UNLESS* they are also modal.
1251                In that case, it will make them transient for the group. This
1252                leads to all sorts of weird behavior from KDE apps which are
1253                only tested in KWin. I'd like to follow their behavior just to
1254                make this work right with KDE stuff, but that seems wrong.
1255             */
1256             if (!target && self->group) {
1257                 /* not transient to a client, see if it is transient for a
1258                    group */
1259                 if (t == RootWindow(ob_display, ob_screen)) {
1260                     /* window is a transient for its group! */
1261                     target = OB_TRAN_GROUP;
1262                 }
1263             }
1264         }
1265     } else if (self->transient && self->group)
1266         target = OB_TRAN_GROUP;
1267
1268     client_update_transient_tree(self, self->group, self->group,
1269                                  self->transient_for, target);
1270     self->transient_for = target;
1271
1272 }
1273
1274 static void client_update_transient_tree(ObClient *self,
1275                                          ObGroup *oldgroup, ObGroup *newgroup,
1276                                          ObClient* oldparent,
1277                                          ObClient *newparent)
1278 {
1279     GSList *it, *next;
1280     ObClient *c;
1281
1282     /* * *
1283       Group transient windows are not allowed to have other group
1284       transient windows as their children.
1285       * * */
1286
1287
1288     /* No change has occured */
1289     if (oldgroup == newgroup && oldparent == newparent) return;
1290
1291     /** Remove the client from the transient tree wherever it has changed **/
1292
1293     /* If the window is becoming a direct transient for a window in its group
1294        then any group transients which were our children and are now becoming
1295        our parents need to stop being our children.
1296
1297        Group transients can't be children of group transients already, but
1298        we could have any number of direct parents above up, any of which could
1299        be transient for the group, and we need to remove it from our children.
1300     */
1301     if (oldparent != newparent &&
1302         newparent != NULL && newparent != OB_TRAN_GROUP &&
1303         newgroup != NULL && newgroup == oldgroup)
1304     {
1305         ObClient *look = newparent;
1306         do {
1307             self->transients = g_slist_remove(self->transients, look);
1308             look = look->transient_for;
1309         } while (look != NULL && look != OB_TRAN_GROUP);
1310     }
1311
1312
1313     /* If the group changed, or if we are just becoming transient for the
1314        group, then we need to remove any old group transient windows
1315        from our children. But if we were already transient for the group, then
1316        other group transients are not our children. */
1317     if ((oldgroup != newgroup ||
1318          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1319         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1320     {
1321         for (it = self->transients; it; it = next) {
1322             next = g_slist_next(it);
1323             c = it->data;
1324             if (c->group == oldgroup)
1325                 self->transients = g_slist_delete_link(self->transients, it);
1326         }
1327     }
1328
1329     /* If we used to be transient for a group and now we are not, or we're
1330        transient for a new group, then we need to remove ourselves from all
1331        our ex-parents */
1332     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1333                                        oldparent != newparent))
1334     {
1335         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1336             c = it->data;
1337             if (c != self && (!c->transient_for ||
1338                               c->transient_for != OB_TRAN_GROUP))
1339                 c->transients = g_slist_remove(c->transients, self);
1340         }
1341     }
1342     /* If we used to be transient for a single window and we are no longer
1343        transient for it, then we need to remove ourself from its children */
1344     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1345              oldparent != newparent)
1346         oldparent->transients = g_slist_remove(oldparent->transients, self);
1347
1348
1349     /** Re-add the client to the transient tree wherever it has changed **/
1350
1351     /* If we're now transient for a group and we weren't transient for it
1352        before then we need to add ourselves to all our new parents */
1353     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1354                                        oldparent != newparent))
1355     {
1356         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1357             c = it->data;
1358             if (c != self && (!c->transient_for ||
1359                               c->transient_for != OB_TRAN_GROUP))
1360                 c->transients = g_slist_prepend(c->transients, self);
1361         }
1362     }
1363     /* If we are now transient for a single window which we weren't before,
1364        we need to add ourselves to its children
1365
1366        WARNING: Cyclical transient ness is possible if two windows are
1367        transient for eachother.
1368     */
1369     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1370              newparent != oldparent &&
1371              /* don't make ourself its child if it is already our child */
1372              !client_is_direct_child(self, newparent))
1373         newparent->transients = g_slist_prepend(newparent->transients, self);
1374
1375     /* If the group changed then we need to add any new group transient
1376        windows to our children. But if we're transient for the group, then
1377        other group transients are not our children.
1378
1379        WARNING: Cyclical transient-ness is possible. For e.g. if:
1380        A is transient for the group
1381        B is transient for A
1382        C is transient for B
1383        A can't be transient for C or we have a cycle
1384     */
1385     if (oldgroup != newgroup && newgroup != NULL &&
1386         newparent != OB_TRAN_GROUP)
1387     {
1388         for (it = newgroup->members; it; it = g_slist_next(it)) {
1389             c = it->data;
1390             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1391                 /* Don't make it our child if it is already our parent */
1392                 !client_is_direct_child(c, self))
1393             {
1394                 self->transients = g_slist_prepend(self->transients, c);
1395             }
1396         }
1397     }
1398 }
1399
1400 static void client_get_mwm_hints(ObClient *self)
1401 {
1402     guint num;
1403     guint32 *hints;
1404
1405     self->mwmhints.flags = 0; /* default to none */
1406
1407     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1408                     &hints, &num)) {
1409         if (num >= OB_MWM_ELEMENTS) {
1410             self->mwmhints.flags = hints[0];
1411             self->mwmhints.functions = hints[1];
1412             self->mwmhints.decorations = hints[2];
1413         }
1414         g_free(hints);
1415     }
1416 }
1417
1418 void client_get_type_and_transientness(ObClient *self)
1419 {
1420     guint num, i;
1421     guint32 *val;
1422     Window t;
1423
1424     self->type = -1;
1425     self->transient = FALSE;
1426
1427     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1428         /* use the first value that we know about in the array */
1429         for (i = 0; i < num; ++i) {
1430             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1431                 self->type = OB_CLIENT_TYPE_DESKTOP;
1432             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1433                 self->type = OB_CLIENT_TYPE_DOCK;
1434             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1435                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1436             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1437                 self->type = OB_CLIENT_TYPE_MENU;
1438             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1439                 self->type = OB_CLIENT_TYPE_UTILITY;
1440             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1441                 self->type = OB_CLIENT_TYPE_SPLASH;
1442             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1443                 self->type = OB_CLIENT_TYPE_DIALOG;
1444             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1445                 self->type = OB_CLIENT_TYPE_NORMAL;
1446             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1447                 /* prevent this window from getting any decor or
1448                    functionality */
1449                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1450                                          OB_MWM_FLAG_DECORATIONS);
1451                 self->mwmhints.decorations = 0;
1452                 self->mwmhints.functions = 0;
1453             }
1454             if (self->type != (ObClientType) -1)
1455                 break; /* grab the first legit type */
1456         }
1457         g_free(val);
1458     }
1459
1460     if (XGetTransientForHint(ob_display, self->window, &t))
1461         self->transient = TRUE;
1462
1463     if (self->type == (ObClientType) -1) {
1464         /*the window type hint was not set, which means we either classify
1465           ourself as a normal window or a dialog, depending on if we are a
1466           transient. */
1467         if (self->transient)
1468             self->type = OB_CLIENT_TYPE_DIALOG;
1469         else
1470             self->type = OB_CLIENT_TYPE_NORMAL;
1471     }
1472
1473     /* then, based on our type, we can update our transientness.. */
1474     if (self->type == OB_CLIENT_TYPE_DIALOG ||
1475         self->type == OB_CLIENT_TYPE_TOOLBAR ||
1476         self->type == OB_CLIENT_TYPE_MENU ||
1477         self->type == OB_CLIENT_TYPE_UTILITY)
1478     {
1479         self->transient = TRUE;
1480     }
1481 }
1482
1483 void client_update_protocols(ObClient *self)
1484 {
1485     guint32 *proto;
1486     guint num_return, i;
1487
1488     self->focus_notify = FALSE;
1489     self->delete_window = FALSE;
1490
1491     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1492         for (i = 0; i < num_return; ++i) {
1493             if (proto[i] == prop_atoms.wm_delete_window)
1494                 /* this means we can request the window to close */
1495                 self->delete_window = TRUE;
1496             else if (proto[i] == prop_atoms.wm_take_focus)
1497                 /* if this protocol is requested, then the window will be
1498                    notified whenever we want it to receive focus */
1499                 self->focus_notify = TRUE;
1500 #ifdef SYNC
1501             else if (proto[i] == prop_atoms.net_wm_sync_request)
1502                 /* if this protocol is requested, then resizing the
1503                    window will be synchronized between the frame and the
1504                    client */
1505                 self->sync_request = TRUE;
1506 #endif
1507         }
1508         g_free(proto);
1509     }
1510 }
1511
1512 #ifdef SYNC
1513 void client_update_sync_request_counter(ObClient *self)
1514 {
1515     guint32 i;
1516
1517     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1518         self->sync_counter = i;
1519     } else
1520         self->sync_counter = None;
1521 }
1522 #endif
1523
1524 void client_get_colormap(ObClient *self)
1525 {
1526     XWindowAttributes wa;
1527
1528     if (XGetWindowAttributes(ob_display, self->window, &wa))
1529         client_update_colormap(self, wa.colormap);
1530 }
1531
1532 void client_update_colormap(ObClient *self, Colormap colormap)
1533 {
1534     self->colormap = colormap;
1535 }
1536
1537 void client_update_normal_hints(ObClient *self)
1538 {
1539     XSizeHints size;
1540     glong ret;
1541
1542     /* defaults */
1543     self->min_ratio = 0.0f;
1544     self->max_ratio = 0.0f;
1545     SIZE_SET(self->size_inc, 1, 1);
1546     SIZE_SET(self->base_size, 0, 0);
1547     SIZE_SET(self->min_size, 0, 0);
1548     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1549
1550     /* get the hints from the window */
1551     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1552         /* normal windows can't request placement! har har
1553         if (!client_normal(self))
1554         */
1555         self->positioned = (size.flags & (PPosition|USPosition));
1556
1557         if (size.flags & PWinGravity)
1558             self->gravity = size.win_gravity;
1559
1560         if (size.flags & PAspect) {
1561             if (size.min_aspect.y)
1562                 self->min_ratio =
1563                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1564             if (size.max_aspect.y)
1565                 self->max_ratio =
1566                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1567         }
1568
1569         if (size.flags & PMinSize)
1570             SIZE_SET(self->min_size, size.min_width, size.min_height);
1571
1572         if (size.flags & PMaxSize)
1573             SIZE_SET(self->max_size, size.max_width, size.max_height);
1574
1575         if (size.flags & PBaseSize)
1576             SIZE_SET(self->base_size, size.base_width, size.base_height);
1577
1578         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1579             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1580     }
1581 }
1582
1583 /*! This needs to be followed by a call to client_configure to make
1584   the changes show */
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 don't have anything added or removed by default */
1624         break;
1625
1626     case OB_CLIENT_TYPE_MENU:
1627     case OB_CLIENT_TYPE_TOOLBAR:
1628         /* these windows can't iconify or maximize */
1629         self->decorations &= ~(OB_FRAME_DECOR_ICONIFY |
1630                                OB_FRAME_DECOR_MAXIMIZE);
1631         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY |
1632                              OB_CLIENT_FUNC_MAXIMIZE);
1633         break;
1634
1635     case OB_CLIENT_TYPE_SPLASH:
1636         /* these don't get get any decorations, and the only thing you can
1637            do with them is move them */
1638         self->decorations = 0;
1639         self->functions = OB_CLIENT_FUNC_MOVE;
1640         break;
1641
1642     case OB_CLIENT_TYPE_DESKTOP:
1643         /* these windows are not manipulated by the window manager */
1644         self->decorations = 0;
1645         self->functions = 0;
1646         break;
1647
1648     case OB_CLIENT_TYPE_DOCK:
1649         /* these windows are not manipulated by the window manager, but they
1650            can set below layer which has a special meaning */
1651         self->decorations = 0;
1652         self->functions = OB_CLIENT_FUNC_BELOW;
1653         break;
1654     }
1655
1656     /* Mwm Hints are applied subtractively to what has already been chosen for
1657        decor and functionality */
1658     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1659         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1660             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1661                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1662             {
1663                 /* if the mwm hints request no handle or title, then all
1664                    decorations are disabled, but keep the border if that's
1665                    specified */
1666                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1667                     self->decorations = OB_FRAME_DECOR_BORDER;
1668                 else
1669                     self->decorations = 0;
1670             }
1671         }
1672     }
1673
1674     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1675         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1676             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1677                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1678             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1679                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1680             /* dont let mwm hints kill any buttons
1681                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1682                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1683                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1684                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1685             */
1686             /* dont let mwm hints kill the close button
1687                if (! (self->mwmhints.functions & MwmFunc_Close))
1688                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1689         }
1690     }
1691
1692     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1693         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1694     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1695         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1696     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1697         self->decorations &= ~(OB_FRAME_DECOR_GRIPS | OB_FRAME_DECOR_HANDLE);
1698
1699     /* can't maximize without moving/resizing */
1700     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1701           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1702           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1703         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1704         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1705     }
1706
1707     if (self->max_horz && self->max_vert) {
1708         /* you can't resize fully maximized windows */
1709         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1710         /* kill the handle on fully maxed windows */
1711         self->decorations &= ~(OB_FRAME_DECOR_HANDLE | OB_FRAME_DECOR_GRIPS);
1712     }
1713
1714     /* If there are no decorations to remove, don't allow the user to try
1715        toggle the state */
1716     if (self->decorations == 0)
1717         self->functions &= ~OB_CLIENT_FUNC_UNDECORATE;
1718
1719     /* finally, the user can have requested no decorations, which overrides
1720        everything (but doesnt give it a border if it doesnt have one) */
1721     if (self->undecorated) {
1722         if (config_theme_keepborder)
1723             self->decorations &= OB_FRAME_DECOR_BORDER;
1724         else
1725             self->decorations = 0;
1726     }
1727
1728     /* if we don't have a titlebar, then we cannot shade! */
1729     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1730         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1731
1732     /* now we need to check against rules for the client's current state */
1733     if (self->fullscreen) {
1734         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1735                             OB_CLIENT_FUNC_FULLSCREEN |
1736                             OB_CLIENT_FUNC_ICONIFY);
1737         self->decorations = 0;
1738     }
1739
1740     client_change_allowed_actions(self);
1741 }
1742
1743 static void client_change_allowed_actions(ObClient *self)
1744 {
1745     gulong actions[12];
1746     gint num = 0;
1747
1748     /* desktop windows are kept on all desktops */
1749     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1750         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1751
1752     if (self->functions & OB_CLIENT_FUNC_SHADE)
1753         actions[num++] = prop_atoms.net_wm_action_shade;
1754     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1755         actions[num++] = prop_atoms.net_wm_action_close;
1756     if (self->functions & OB_CLIENT_FUNC_MOVE)
1757         actions[num++] = prop_atoms.net_wm_action_move;
1758     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1759         actions[num++] = prop_atoms.net_wm_action_minimize;
1760     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1761         actions[num++] = prop_atoms.net_wm_action_resize;
1762     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1763         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1764     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1765         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1766         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1767     }
1768     if (self->functions & OB_CLIENT_FUNC_ABOVE)
1769         actions[num++] = prop_atoms.net_wm_action_above;
1770     if (self->functions & OB_CLIENT_FUNC_BELOW)
1771         actions[num++] = prop_atoms.net_wm_action_below;
1772     if (self->functions & OB_CLIENT_FUNC_UNDECORATE)
1773         actions[num++] = prop_atoms.ob_wm_action_undecorate;
1774
1775     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1776
1777     /* make sure the window isn't breaking any rules now */
1778
1779     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1780         if (self->frame) client_shade(self, FALSE);
1781         else self->shaded = FALSE;
1782     }
1783     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1784         if (self->frame) client_iconify(self, FALSE, TRUE, FALSE);
1785         else self->iconic = FALSE;
1786     }
1787     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1788         if (self->frame) client_fullscreen(self, FALSE);
1789         else self->fullscreen = FALSE;
1790     }
1791     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1792                                                          self->max_vert)) {
1793         if (self->frame) client_maximize(self, FALSE, 0);
1794         else self->max_vert = self->max_horz = FALSE;
1795     }
1796 }
1797
1798 void client_reconfigure(ObClient *self)
1799 {
1800     /* by making this pass FALSE for user, we avoid the emacs event storm where
1801        every configurenotify causes an update in its normal hints, i think this
1802        is generally what we want anyways... */
1803     client_configure(self, self->area.x, self->area.y,
1804                      self->area.width, self->area.height, FALSE, TRUE);
1805 }
1806
1807 void client_update_wmhints(ObClient *self)
1808 {
1809     XWMHints *hints;
1810
1811     /* assume a window takes input if it doesnt specify */
1812     self->can_focus = TRUE;
1813
1814     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1815         gboolean ur;
1816
1817         if (hints->flags & InputHint)
1818             self->can_focus = hints->input;
1819
1820         /* only do this when first managing the window *AND* when we aren't
1821            starting up! */
1822         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1823             if (hints->flags & StateHint)
1824                 self->iconic = hints->initial_state == IconicState;
1825
1826         ur = self->urgent;
1827         self->urgent = (hints->flags & XUrgencyHint);
1828         if (self->urgent && !ur)
1829             client_hilite(self, TRUE);
1830         else if (!self->urgent && ur && self->demands_attention)
1831             client_hilite(self, FALSE);
1832
1833         if (!(hints->flags & WindowGroupHint))
1834             hints->window_group = None;
1835
1836         /* did the group state change? */
1837         if (hints->window_group !=
1838             (self->group ? self->group->leader : None))
1839         {
1840             ObGroup *oldgroup = self->group;
1841
1842             /* remove from the old group if there was one */
1843             if (self->group != NULL) {
1844                 group_remove(self->group, self);
1845                 self->group = NULL;
1846             }
1847
1848             /* add ourself to the group if we have one */
1849             if (hints->window_group != None) {
1850                 self->group = group_add(hints->window_group, self);
1851             }
1852
1853             /* Put ourselves into the new group's transient tree, and remove
1854                ourselves from the old group's */
1855             client_update_transient_tree(self, oldgroup, self->group,
1856                                          self->transient_for,
1857                                          self->transient_for);
1858
1859             /* Lastly, being in a group, or not, can change if the window is
1860                transient for anything.
1861
1862                The logic for this is:
1863                self->transient = TRUE always if the window wants to be
1864                transient for something, even if transient_for was NULL because
1865                it wasn't in a group before.
1866
1867                If transient_for was NULL and oldgroup was NULL we can assume
1868                that when we add the new group, it will become transient for
1869                something.
1870
1871                If transient_for was OB_TRAN_GROUP, then it must have already
1872                had a group. If it is getting a new group, the above call to
1873                client_update_transient_tree has already taken care of
1874                everything ! If it is losing all group status then it will
1875                no longer be transient for anything and that needs to be
1876                updated.
1877             */
1878             if (self->transient &&
1879                 ((self->transient_for == NULL && oldgroup == NULL) ||
1880                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1881                 client_update_transient_for(self);
1882         }
1883
1884         /* the WM_HINTS can contain an icon */
1885         if (hints->flags & IconPixmapHint)
1886             client_update_icons(self);
1887
1888         XFree(hints);
1889     }
1890 }
1891
1892 void client_update_title(ObClient *self)
1893 {
1894     gchar *data = NULL;
1895     gchar *visible = NULL;
1896
1897     g_free(self->title);
1898
1899     /* try netwm */
1900     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1901         /* try old x stuff */
1902         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1903               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1904             if (self->transient) {
1905                 /*
1906                   GNOME alert windows are not given titles:
1907                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1908                 */
1909                 data = g_strdup("");
1910             } else
1911                 data = g_strdup("Unnamed Window");
1912         }
1913     }
1914
1915     if (self->client_machine) {
1916         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1917         g_free(data);
1918     } else
1919         visible = data;
1920
1921     PROP_SETS(self->window, net_wm_visible_name, visible);
1922     self->title = visible;
1923
1924     if (self->frame)
1925         frame_adjust_title(self->frame);
1926
1927     /* update the icon title */
1928     data = NULL;
1929     g_free(self->icon_title);
1930
1931     /* try netwm */
1932     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1933         /* try old x stuff */
1934         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1935               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1936             data = g_strdup(self->title);
1937
1938     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1939     self->icon_title = data;
1940 }
1941
1942 void client_update_strut(ObClient *self)
1943 {
1944     guint num;
1945     guint32 *data;
1946     gboolean got = FALSE;
1947     StrutPartial strut;
1948
1949     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1950                     &data, &num)) {
1951         if (num == 12) {
1952             got = TRUE;
1953             STRUT_PARTIAL_SET(strut,
1954                               data[0], data[2], data[1], data[3],
1955                               data[4], data[5], data[8], data[9],
1956                               data[6], data[7], data[10], data[11]);
1957         }
1958         g_free(data);
1959     }
1960
1961     if (!got &&
1962         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1963         if (num == 4) {
1964             const Rect *a;
1965
1966             got = TRUE;
1967
1968             /* use the screen's width/height */
1969             a = screen_physical_area();
1970
1971             STRUT_PARTIAL_SET(strut,
1972                               data[0], data[2], data[1], data[3],
1973                               a->y, a->y + a->height - 1,
1974                               a->x, a->x + a->width - 1,
1975                               a->y, a->y + a->height - 1,
1976                               a->x, a->x + a->width - 1);
1977         }
1978         g_free(data);
1979     }
1980
1981     if (!got)
1982         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1983                           0, 0, 0, 0, 0, 0, 0, 0);
1984
1985     if (!STRUT_EQUAL(strut, self->strut)) {
1986         self->strut = strut;
1987
1988         /* updating here is pointless while we're being mapped cuz we're not in
1989            the client list yet */
1990         if (self->frame)
1991             screen_update_areas();
1992     }
1993 }
1994
1995 void client_update_icons(ObClient *self)
1996 {
1997     guint num;
1998     guint32 *data;
1999     guint w, h, i, j;
2000
2001     for (i = 0; i < self->nicons; ++i)
2002         g_free(self->icons[i].data);
2003     if (self->nicons > 0)
2004         g_free(self->icons);
2005     self->nicons = 0;
2006
2007     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
2008         /* figure out how many valid icons are in here */
2009         i = 0;
2010         while (num - i > 2) {
2011             w = data[i++];
2012             h = data[i++];
2013             i += w * h;
2014             if (i > num || w*h == 0) break;
2015             ++self->nicons;
2016         }
2017
2018         self->icons = g_new(ObClientIcon, self->nicons);
2019
2020         /* store the icons */
2021         i = 0;
2022         for (j = 0; j < self->nicons; ++j) {
2023             guint x, y, t;
2024
2025             w = self->icons[j].width = data[i++];
2026             h = self->icons[j].height = data[i++];
2027
2028             if (w*h == 0) continue;
2029
2030             self->icons[j].data = g_new(RrPixel32, w * h);
2031             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
2032                 if (x >= w) {
2033                     x = 0;
2034                     ++y;
2035                 }
2036                 self->icons[j].data[t] =
2037                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
2038                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
2039                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
2040                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
2041             }
2042             g_assert(i <= num);
2043         }
2044
2045         g_free(data);
2046     } else {
2047         XWMHints *hints;
2048
2049         if ((hints = XGetWMHints(ob_display, self->window))) {
2050             if (hints->flags & IconPixmapHint) {
2051                 self->nicons++;
2052                 self->icons = g_new(ObClientIcon, self->nicons);
2053                 xerror_set_ignore(TRUE);
2054                 if (!RrPixmapToRGBA(ob_rr_inst,
2055                                     hints->icon_pixmap,
2056                                     (hints->flags & IconMaskHint ?
2057                                      hints->icon_mask : None),
2058                                     &self->icons[self->nicons-1].width,
2059                                     &self->icons[self->nicons-1].height,
2060                                     &self->icons[self->nicons-1].data)){
2061                     g_free(&self->icons[self->nicons-1]);
2062                     self->nicons--;
2063                 }
2064                 xerror_set_ignore(FALSE);
2065             }
2066             XFree(hints);
2067         }
2068     }
2069
2070     /* set the default icon onto the window
2071        in theory, this could be a race, but if a window doesn't set an icon
2072        or removes it entirely, it's not very likely it is going to set one
2073        right away afterwards */
2074     if (self->nicons == 0) {
2075         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2076         gulong *data;
2077
2078         data = g_new(gulong, 48*48+2);
2079         data[0] = data[1] =  48;
2080         for (i = 0; i < 48*48; ++i)
2081             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2082                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2083                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2084                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2085         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2086         g_free(data);
2087     } else if (self->frame)
2088         /* don't draw the icon empty if we're just setting one now anyways,
2089            we'll get the property change any second */
2090         frame_adjust_icon(self->frame);
2091 }
2092
2093 void client_update_user_time(ObClient *self)
2094 {
2095     guint32 time;
2096     gboolean got = FALSE;
2097
2098     if (self->user_time_window)
2099         got = PROP_GET32(self->user_time_window,
2100                          net_wm_user_time, cardinal, &time);
2101     if (!got)
2102         got = PROP_GET32(self->window, net_wm_user_time, cardinal, &time);
2103
2104     if (got) {
2105         /* we set this every time, not just when it grows, because in practice
2106            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2107            backward we don't want all windows to stop focusing. we'll just
2108            assume noone is setting times older than the last one, cuz that
2109            would be pretty stupid anyways
2110         */
2111         self->user_time = time;
2112
2113         /*ob_debug("window %s user time %u\n", self->title, time);*/
2114     }
2115 }
2116
2117 void client_update_user_time_window(ObClient *self)
2118 {
2119     guint32 w;
2120
2121     if (!PROP_GET32(self->window, net_wm_user_time_window, window, &w))
2122         w = None;
2123
2124     if (w != self->user_time_window) {
2125         /* remove the old window */
2126         propwin_remove(self->user_time_window, OB_PROPWIN_USER_TIME, self);
2127         self->user_time_window = None;
2128
2129         if (self->group && self->group->leader == w) {
2130             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2131                           "_NET_WM_USER_TYPE_WINDOW to its group leader\n");
2132             /* do it anyways..? */
2133         }
2134         else if (w == self->window) {
2135             ob_debug_type(OB_DEBUG_APP_BUGS, "Window is setting its "
2136                           "_NET_WM_USER_TIME_WINDOW to itself\n");
2137             w = None; /* don't do it */
2138         }
2139
2140         /* add the new window */
2141         propwin_add(w, OB_PROPWIN_USER_TIME, self);
2142         self->user_time_window = w;
2143
2144         /* and update from it */
2145         client_update_user_time(self);
2146     }
2147 }
2148
2149 void client_update_icon_geometry(ObClient *self)
2150 {
2151     guint num;
2152     guint32 *data;
2153
2154     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2155
2156     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2157         && num == 4)
2158     {
2159         /* don't let them set it with an area < 0 */
2160         RECT_SET(self->icon_geometry, data[0], data[1],
2161                  MAX(data[2],0), MAX(data[3],0));
2162     }
2163 }
2164
2165 static void client_get_session_ids(ObClient *self)
2166 {
2167     guint32 leader;
2168     gboolean got;
2169     gchar *s;
2170     gchar **ss;
2171
2172     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2173         leader = None;
2174
2175     /* get the SM_CLIENT_ID */
2176     got = FALSE;
2177     if (leader)
2178         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2179     if (!got)
2180         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2181
2182     /* get the WM_CLASS (name and class). make them "" if they are not
2183        provided */
2184     got = FALSE;
2185     if (leader)
2186         got = PROP_GETSS(leader, wm_class, locale, &ss);
2187     if (!got)
2188         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2189
2190     if (got) {
2191         if (ss[0]) {
2192             self->name = g_strdup(ss[0]);
2193             if (ss[1])
2194                 self->class = g_strdup(ss[1]);
2195         }
2196         g_strfreev(ss);
2197     }
2198
2199     if (self->name == NULL) self->name = g_strdup("");
2200     if (self->class == NULL) self->class = g_strdup("");
2201
2202     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2203     got = FALSE;
2204     if (leader)
2205         got = PROP_GETS(leader, wm_window_role, locale, &s);
2206     if (!got)
2207         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2208
2209     if (got)
2210         self->role = s;
2211     else
2212         self->role = g_strdup("");
2213
2214     /* get the WM_COMMAND */
2215     got = FALSE;
2216
2217     if (leader)
2218         got = PROP_GETSS(leader, wm_command, locale, &ss);
2219     if (!got)
2220         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2221
2222     if (got) {
2223         /* merge/mash them all together */
2224         gchar *merge = NULL;
2225         gint i;
2226
2227         for (i = 0; ss[i]; ++i) {
2228             gchar *tmp = merge;
2229             if (merge)
2230                 merge = g_strconcat(merge, ss[i], NULL);
2231             else
2232                 merge = g_strconcat(ss[i], NULL);
2233             g_free(tmp);
2234         }
2235         g_strfreev(ss);
2236
2237         self->wm_command = merge;
2238     }
2239
2240     /* get the WM_CLIENT_MACHINE */
2241     got = FALSE;
2242     if (leader)
2243         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2244     if (!got)
2245         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2246
2247     if (got) {
2248         gchar localhost[128];
2249
2250         gethostname(localhost, 127);
2251         localhost[127] = '\0';
2252         if (strcmp(localhost, s) != 0)
2253             self->client_machine = s;
2254         else
2255             g_free(s);
2256     }
2257 }
2258
2259 static void client_change_wm_state(ObClient *self)
2260 {
2261     gulong state[2];
2262     glong old;
2263
2264     old = self->wmstate;
2265
2266     if (self->shaded || self->iconic ||
2267         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2268     {
2269         self->wmstate = IconicState;
2270     } else
2271         self->wmstate = NormalState;
2272
2273     if (old != self->wmstate) {
2274         PROP_MSG(self->window, kde_wm_change_state,
2275                  self->wmstate, 1, 0, 0);
2276
2277         state[0] = self->wmstate;
2278         state[1] = None;
2279         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2280         ob_debug("setting wm_state %d\n", self->wmstate);
2281     }
2282 }
2283
2284 static void client_change_state(ObClient *self)
2285 {
2286     gulong netstate[11];
2287     guint num;
2288
2289     num = 0;
2290     if (self->modal)
2291         netstate[num++] = prop_atoms.net_wm_state_modal;
2292     if (self->shaded)
2293         netstate[num++] = prop_atoms.net_wm_state_shaded;
2294     if (self->iconic)
2295         netstate[num++] = prop_atoms.net_wm_state_hidden;
2296     if (self->skip_taskbar)
2297         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2298     if (self->skip_pager)
2299         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2300     if (self->fullscreen)
2301         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2302     if (self->max_vert)
2303         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2304     if (self->max_horz)
2305         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2306     if (self->above)
2307         netstate[num++] = prop_atoms.net_wm_state_above;
2308     if (self->below)
2309         netstate[num++] = prop_atoms.net_wm_state_below;
2310     if (self->demands_attention)
2311         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2312     if (self->undecorated)
2313         netstate[num++] = prop_atoms.ob_wm_state_undecorated;
2314     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2315
2316     if (self->frame)
2317         frame_adjust_state(self->frame);
2318 }
2319
2320 ObClient *client_search_focus_tree(ObClient *self)
2321 {
2322     GSList *it;
2323     ObClient *ret;
2324
2325     for (it = self->transients; it; it = g_slist_next(it)) {
2326         if (client_focused(it->data)) return it->data;
2327         if ((ret = client_search_focus_tree(it->data))) return ret;
2328     }
2329     return NULL;
2330 }
2331
2332 ObClient *client_search_focus_tree_full(ObClient *self)
2333 {
2334     if (self->transient_for) {
2335         if (self->transient_for != OB_TRAN_GROUP) {
2336             return client_search_focus_tree_full(self->transient_for);
2337         } else {
2338             GSList *it;
2339             gboolean recursed = FALSE;
2340
2341             for (it = self->group->members; it; it = g_slist_next(it))
2342                 if (!((ObClient*)it->data)->transient_for) {
2343                     ObClient *c;
2344                     if ((c = client_search_focus_tree_full(it->data)))
2345                         return c;
2346                     recursed = TRUE;
2347                 }
2348             if (recursed)
2349                 return NULL;
2350         }
2351     }
2352
2353     /* this function checks the whole tree, the client_search_focus_tree~
2354        does not, so we need to check this window */
2355     if (client_focused(self))
2356         return self;
2357     return client_search_focus_tree(self);
2358 }
2359
2360 static ObStackingLayer calc_layer(ObClient *self)
2361 {
2362     ObStackingLayer l;
2363
2364     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2365         l = OB_STACKING_LAYER_DESKTOP;
2366     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2367         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2368         else l = OB_STACKING_LAYER_ABOVE;
2369     }
2370     else if ((self->fullscreen ||
2371               /* No decorations and fills the monitor = oldskool fullscreen.
2372                  But not for maximized windows.
2373               */
2374               (self->decorations == 0 &&
2375                !(self->max_horz && self->max_vert) &&
2376                RECT_EQUAL(self->area,
2377                           *screen_physical_area_monitor
2378                           (client_monitor(self))))) &&
2379              (client_focused(self) || client_search_focus_tree(self)))
2380         l = OB_STACKING_LAYER_FULLSCREEN;
2381     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2382     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2383     else l = OB_STACKING_LAYER_NORMAL;
2384
2385     return l;
2386 }
2387
2388 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2389                                         ObStackingLayer min)
2390 {
2391     ObStackingLayer old, own;
2392     GSList *it;
2393
2394     old = self->layer;
2395     own = calc_layer(self);
2396     self->layer = MAX(own, min);
2397
2398     if (self->layer != old) {
2399         stacking_remove(CLIENT_AS_WINDOW(self));
2400         stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
2401     }
2402
2403     for (it = self->transients; it; it = g_slist_next(it))
2404         client_calc_layer_recursive(it->data, orig,
2405                                     self->layer);
2406 }
2407
2408 void client_calc_layer(ObClient *self)
2409 {
2410     ObClient *orig;
2411     GSList *it;
2412
2413     orig = self;
2414
2415     /* transients take on the layer of their parents */
2416     it = client_search_all_top_parents(self);
2417
2418     for (; it; it = g_slist_next(it))
2419         client_calc_layer_recursive(it->data, orig, 0);
2420 }
2421
2422 gboolean client_should_show(ObClient *self)
2423 {
2424     if (self->iconic)
2425         return FALSE;
2426     if (client_normal(self) && screen_showing_desktop)
2427         return FALSE;
2428     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2429         return TRUE;
2430
2431     return FALSE;
2432 }
2433
2434 gboolean client_show(ObClient *self)
2435 {
2436     gboolean show = FALSE;
2437
2438     if (client_should_show(self)) {
2439         frame_show(self->frame);
2440         show = TRUE;
2441
2442         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2443            it needs to be in IconicState. This includes when it is on another
2444            desktop!
2445         */
2446         client_change_wm_state(self);
2447     }
2448     return show;
2449 }
2450
2451 gboolean client_hide(ObClient *self)
2452 {
2453     gboolean hide = FALSE;
2454
2455     if (!client_should_show(self)) {
2456         if (self == focus_client) {
2457             /* if there is a grab going on, then we need to cancel it. if we
2458                move focus during the grab, applications will get
2459                NotifyWhileGrabbed events and ignore them !
2460
2461                actions should not rely on being able to move focus during an
2462                interactive grab.
2463             */
2464             if (keyboard_interactively_grabbed())
2465                 keyboard_interactive_cancel();
2466         }
2467
2468         frame_hide(self->frame);
2469         hide = TRUE;
2470
2471         /* According to the ICCCM (sec 4.1.3.1) when a window is not visible,
2472            it needs to be in IconicState. This includes when it is on another
2473            desktop!
2474         */
2475         client_change_wm_state(self);
2476     }
2477     return hide;
2478 }
2479
2480 void client_showhide(ObClient *self)
2481 {
2482     if (!client_show(self))
2483         client_hide(self);
2484 }
2485
2486 gboolean client_normal(ObClient *self) {
2487     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2488               self->type == OB_CLIENT_TYPE_DOCK ||
2489               self->type == OB_CLIENT_TYPE_SPLASH);
2490 }
2491
2492 gboolean client_helper(ObClient *self)
2493 {
2494     return (self->type == OB_CLIENT_TYPE_UTILITY ||
2495             self->type == OB_CLIENT_TYPE_MENU ||
2496             self->type == OB_CLIENT_TYPE_TOOLBAR);
2497 }
2498
2499 gboolean client_mouse_focusable(ObClient *self)
2500 {
2501     return !(self->type == OB_CLIENT_TYPE_MENU ||
2502              self->type == OB_CLIENT_TYPE_TOOLBAR ||
2503              self->type == OB_CLIENT_TYPE_SPLASH ||
2504              self->type == OB_CLIENT_TYPE_DOCK);
2505 }
2506
2507 gboolean client_enter_focusable(ObClient *self)
2508 {
2509     /* you can focus desktops but it shouldn't on enter */
2510     return (client_mouse_focusable(self) &&
2511             self->type != OB_CLIENT_TYPE_DESKTOP);
2512 }
2513
2514
2515 static void client_apply_startup_state(ObClient *self)
2516 {
2517     /* set the desktop hint, to make sure that it always exists */
2518     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2519
2520     /* these are in a carefully crafted order.. */
2521
2522     if (self->iconic) {
2523         self->iconic = FALSE;
2524         client_iconify(self, TRUE, FALSE, TRUE);
2525     }
2526     if (self->fullscreen) {
2527         self->fullscreen = FALSE;
2528         client_fullscreen(self, TRUE);
2529     }
2530     if (self->undecorated) {
2531         self->undecorated = FALSE;
2532         client_set_undecorated(self, TRUE);
2533     }
2534     if (self->shaded) {
2535         self->shaded = FALSE;
2536         client_shade(self, TRUE);
2537     }
2538     if (self->demands_attention) {
2539         self->demands_attention = FALSE;
2540         client_hilite(self, TRUE);
2541     }
2542
2543     if (self->max_vert && self->max_horz) {
2544         self->max_vert = self->max_horz = FALSE;
2545         client_maximize(self, TRUE, 0);
2546     } else if (self->max_vert) {
2547         self->max_vert = FALSE;
2548         client_maximize(self, TRUE, 2);
2549     } else if (self->max_horz) {
2550         self->max_horz = FALSE;
2551         client_maximize(self, TRUE, 1);
2552     }
2553
2554     /* nothing to do for the other states:
2555        skip_taskbar
2556        skip_pager
2557        modal
2558        above
2559        below
2560     */
2561 }
2562
2563 void client_gravity_resize_w(ObClient *self, gint *x, gint oldw, gint neww)
2564 {
2565     /* these should be the current values. this is for when you're not moving,
2566        just resizing */
2567     g_assert(*x == self->area.x);
2568     g_assert(oldw == self->area.width);
2569
2570     /* horizontal */
2571     switch (self->gravity) {
2572     default:
2573     case NorthWestGravity:
2574     case WestGravity:
2575     case SouthWestGravity:
2576     case StaticGravity:
2577     case ForgetGravity:
2578         break;
2579     case NorthGravity:
2580     case CenterGravity:
2581     case SouthGravity:
2582         *x -= (neww - oldw) / 2;
2583         break;
2584     case NorthEastGravity:
2585     case EastGravity:
2586     case SouthEastGravity:
2587         *x -= neww - oldw;
2588         break;
2589     }
2590 }
2591
2592 void client_gravity_resize_h(ObClient *self, gint *y, gint oldh, gint newh)
2593 {
2594     /* these should be the current values. this is for when you're not moving,
2595        just resizing */
2596     g_assert(*y == self->area.y);
2597     g_assert(oldh == self->area.height);
2598
2599     /* vertical */
2600     switch (self->gravity) {
2601     default:
2602     case NorthWestGravity:
2603     case NorthGravity:
2604     case NorthEastGravity:
2605     case StaticGravity:
2606     case ForgetGravity:
2607         break;
2608     case WestGravity:
2609     case CenterGravity:
2610     case EastGravity:
2611         *y -= (newh - oldh) / 2;
2612         break;
2613     case SouthWestGravity:
2614     case SouthGravity:
2615     case SouthEastGravity:
2616         *y -= newh - oldh;
2617         break;
2618     }
2619 }
2620
2621 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2622                           gint *logicalw, gint *logicalh,
2623                           gboolean user)
2624 {
2625     Rect desired_area = {*x, *y, *w, *h};
2626
2627     /* make the frame recalculate its dimentions n shit without changing
2628        anything visible for real, this way the constraints below can work with
2629        the updated frame dimensions. */
2630     frame_adjust_area(self->frame, FALSE, TRUE, TRUE);
2631
2632     /* work within the prefered sizes given by the window */
2633     if (!(*w == self->area.width && *h == self->area.height)) {
2634         gint basew, baseh, minw, minh;
2635
2636         /* base size is substituted with min size if not specified */
2637         if (self->base_size.width || self->base_size.height) {
2638             basew = self->base_size.width;
2639             baseh = self->base_size.height;
2640         } else {
2641             basew = self->min_size.width;
2642             baseh = self->min_size.height;
2643         }
2644         /* min size is substituted with base size if not specified */
2645         if (self->min_size.width || self->min_size.height) {
2646             minw = self->min_size.width;
2647             minh = self->min_size.height;
2648         } else {
2649             minw = self->base_size.width;
2650             minh = self->base_size.height;
2651         }
2652
2653         /* if this is a user-requested resize, then check against min/max
2654            sizes */
2655
2656         /* smaller than min size or bigger than max size? */
2657         if (*w > self->max_size.width) *w = self->max_size.width;
2658         if (*w < minw) *w = minw;
2659         if (*h > self->max_size.height) *h = self->max_size.height;
2660         if (*h < minh) *h = minh;
2661
2662         *w -= basew;
2663         *h -= baseh;
2664
2665         /* keep to the increments */
2666         *w /= self->size_inc.width;
2667         *h /= self->size_inc.height;
2668
2669         /* you cannot resize to nothing */
2670         if (basew + *w < 1) *w = 1 - basew;
2671         if (baseh + *h < 1) *h = 1 - baseh;
2672
2673         /* save the logical size */
2674         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2675         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2676
2677         *w *= self->size_inc.width;
2678         *h *= self->size_inc.height;
2679
2680         *w += basew;
2681         *h += baseh;
2682
2683         /* adjust the height to match the width for the aspect ratios.
2684            for this, min size is not substituted for base size ever. */
2685         *w -= self->base_size.width;
2686         *h -= self->base_size.height;
2687
2688         if (!self->fullscreen) {
2689             if (self->min_ratio)
2690                 if (*h * self->min_ratio > *w) {
2691                     *h = (gint)(*w / self->min_ratio);
2692
2693                     /* you cannot resize to nothing */
2694                     if (*h < 1) {
2695                         *h = 1;
2696                         *w = (gint)(*h * self->min_ratio);
2697                     }
2698                 }
2699             if (self->max_ratio)
2700                 if (*h * self->max_ratio < *w) {
2701                     *h = (gint)(*w / self->max_ratio);
2702
2703                     /* you cannot resize to nothing */
2704                     if (*h < 1) {
2705                         *h = 1;
2706                         *w = (gint)(*h * self->min_ratio);
2707                     }
2708                 }
2709         }
2710
2711         *w += self->base_size.width;
2712         *h += self->base_size.height;
2713     }
2714
2715     /* gets the frame's position */
2716     frame_client_gravity(self->frame, x, y, *w, *h);
2717
2718     /* these positions are frame positions, not client positions */
2719
2720     /* set the size and position if fullscreen */
2721     if (self->fullscreen) {
2722         Rect *a;
2723         guint i;
2724
2725         i = screen_find_monitor(&desired_area);
2726         a = screen_physical_area_monitor(i);
2727
2728         *x = a->x;
2729         *y = a->y;
2730         *w = a->width;
2731         *h = a->height;
2732
2733         user = FALSE; /* ignore if the client can't be moved/resized when it
2734                          is fullscreening */
2735     } else if (self->max_horz || self->max_vert) {
2736         Rect *a;
2737         guint i;
2738
2739         i = screen_find_monitor(&desired_area);
2740         a = screen_area_monitor(self->desktop, i);
2741
2742         /* set the size and position if maximized */
2743         if (self->max_horz) {
2744             *x = a->x;
2745             *w = a->width - self->frame->size.left - self->frame->size.right;
2746         }
2747         if (self->max_vert) {
2748             *y = a->y;
2749             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2750         }
2751
2752         user = FALSE; /* ignore if the client can't be moved/resized when it
2753                          is maximizing */
2754     }
2755
2756     /* gets the client's position */
2757     frame_frame_gravity(self->frame, x, y, *w, *h);
2758
2759     /* these override the above states! if you cant move you can't move! */
2760     if (user) {
2761         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2762             *x = self->area.x;
2763             *y = self->area.y;
2764         }
2765         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2766             *w = self->area.width;
2767             *h = self->area.height;
2768         }
2769     }
2770
2771     g_assert(*w > 0);
2772     g_assert(*h > 0);
2773 }
2774
2775
2776 void client_configure(ObClient *self, gint x, gint y, gint w, gint h,
2777                       gboolean user, gboolean final)
2778 {
2779     gint oldw, oldh;
2780     gboolean send_resize_client;
2781     gboolean moved = FALSE, resized = FALSE;
2782     gboolean fmoved, fresized;
2783     guint fdecor = self->frame->decorations;
2784     gboolean fhorz = self->frame->max_horz;
2785     gboolean fvert = self->frame->max_vert;
2786     gint logicalw, logicalh;
2787
2788     /* find the new x, y, width, and height (and logical size) */
2789     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2790
2791     /* set the logical size if things changed */
2792     if (!(w == self->area.width && h == self->area.height))
2793         SIZE_SET(self->logical_size, logicalw, logicalh);
2794
2795     /* figure out if we moved or resized or what */
2796     moved = x != self->area.x || y != self->area.y;
2797     resized = w != self->area.width || h != self->area.height;
2798
2799     oldw = self->area.width;
2800     oldh = self->area.height;
2801     RECT_SET(self->area, x, y, w, h);
2802
2803     /* for app-requested resizes, always resize if 'resized' is true.
2804        for user-requested ones, only resize if final is true, or when
2805        resizing in redraw mode */
2806     send_resize_client = ((!user && resized) ||
2807                           (user && (final ||
2808                                     (resized && config_resize_redraw))));
2809
2810     /* if the client is enlarging, then resize the client before the frame */
2811     if (send_resize_client && (w > oldw || h > oldh)) {
2812         XResizeWindow(ob_display, self->window,
2813                       MAX(w, oldw), MAX(h, oldh));
2814         /* resize the plate to show the client padding color underneath */
2815         frame_adjust_client_area(self->frame);
2816     }
2817
2818     /* find the frame's dimensions and move/resize it */
2819     fmoved = moved;
2820     fresized = resized;
2821
2822     /* if decorations changed, then readjust everything for the frame */
2823     if (self->decorations != fdecor ||
2824         self->max_horz != fhorz || self->max_vert != fvert)
2825     {
2826         fmoved = fresized = TRUE;
2827     }
2828
2829     /* adjust the frame */
2830     if (fmoved || fresized)
2831         frame_adjust_area(self->frame, fmoved, fresized, FALSE);
2832
2833     if ((!user || (user && final)) && !resized)
2834     {
2835         XEvent event;
2836
2837         POINT_SET(self->root_pos,
2838                   self->frame->area.x + self->frame->size.left -
2839                   self->border_width,
2840                   self->frame->area.y + self->frame->size.top -
2841                   self->border_width);
2842
2843         event.type = ConfigureNotify;
2844         event.xconfigure.display = ob_display;
2845         event.xconfigure.event = self->window;
2846         event.xconfigure.window = self->window;
2847
2848         ob_debug("Sending ConfigureNotify to %s for %d,%d %dx%d\n",
2849                  self->title, self->root_pos.x, self->root_pos.y, w, h);
2850
2851         /* root window real coords */
2852         event.xconfigure.x = self->root_pos.x;
2853         event.xconfigure.y = self->root_pos.y;
2854         event.xconfigure.width = w;
2855         event.xconfigure.height = h;
2856         event.xconfigure.border_width = 0;
2857         event.xconfigure.above = self->frame->plate;
2858         event.xconfigure.override_redirect = FALSE;
2859         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2860                    FALSE, StructureNotifyMask, &event);
2861     }
2862
2863     /* if the client is shrinking, then resize the frame before the client */
2864     if (send_resize_client && (w <= oldw || h <= oldh)) {
2865         /* resize the plate to show the client padding color underneath */
2866         frame_adjust_client_area(self->frame);
2867
2868         if (send_resize_client)
2869             XResizeWindow(ob_display, self->window, w, h);
2870     }
2871
2872     XFlush(ob_display);
2873 }
2874
2875 void client_fullscreen(ObClient *self, gboolean fs)
2876 {
2877     gint x, y, w, h;
2878
2879     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2880         self->fullscreen == fs) return;                   /* already done */
2881
2882     self->fullscreen = fs;
2883     client_change_state(self); /* change the state hints on the client */
2884
2885     if (fs) {
2886         self->pre_fullscreen_area = self->area;
2887         /* if the window is maximized, its area isn't all that meaningful.
2888            save it's premax area instead. */
2889         if (self->max_horz) {
2890             self->pre_fullscreen_area.x = self->pre_max_area.x;
2891             self->pre_fullscreen_area.width = self->pre_max_area.width;
2892         }
2893         if (self->max_vert) {
2894             self->pre_fullscreen_area.y = self->pre_max_area.y;
2895             self->pre_fullscreen_area.height = self->pre_max_area.height;
2896         }
2897
2898         /* these will help configure_full figure out where to fullscreen
2899            the window */
2900         x = self->area.x;
2901         y = self->area.y;
2902         w = self->area.width;
2903         h = self->area.height;
2904     } else {
2905         g_assert(self->pre_fullscreen_area.width > 0 &&
2906                  self->pre_fullscreen_area.height > 0);
2907
2908         x = self->pre_fullscreen_area.x;
2909         y = self->pre_fullscreen_area.y;
2910         w = self->pre_fullscreen_area.width;
2911         h = self->pre_fullscreen_area.height;
2912         RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2913     }
2914
2915     client_setup_decor_and_functions(self);
2916
2917     client_move_resize(self, x, y, w, h);
2918
2919     /* and adjust our layer/stacking. do this after resizing the window,
2920        and applying decorations, because windows which fill the screen are
2921        considered "fullscreen" and it affects their layer */
2922     client_calc_layer(self);
2923
2924     if (fs) {
2925         /* try focus us when we go into fullscreen mode */
2926         client_focus(self);
2927     }
2928 }
2929
2930 static void client_iconify_recursive(ObClient *self,
2931                                      gboolean iconic, gboolean curdesk,
2932                                      gboolean hide_animation)
2933 {
2934     GSList *it;
2935     gboolean changed = FALSE;
2936
2937
2938     if (self->iconic != iconic) {
2939         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2940                  self->window);
2941
2942         if (iconic) {
2943             /* don't let non-normal windows iconify along with their parents
2944                or whatever */
2945             if (client_normal(self)) {
2946                 self->iconic = iconic;
2947
2948                 /* update the focus lists.. iconic windows go to the bottom of
2949                    the list, put the new iconic window at the 'top of the
2950                    bottom'. */
2951                 focus_order_to_top(self);
2952
2953                 changed = TRUE;
2954             }
2955         } else {
2956             self->iconic = iconic;
2957
2958             if (curdesk && self->desktop != screen_desktop &&
2959                 self->desktop != DESKTOP_ALL)
2960                 client_set_desktop(self, screen_desktop, FALSE);
2961
2962             /* this puts it after the current focused window */
2963             focus_order_remove(self);
2964             focus_order_add_new(self);
2965
2966             changed = TRUE;
2967         }
2968     }
2969
2970     if (changed) {
2971         client_change_state(self);
2972         if (config_animate_iconify && !hide_animation)
2973             frame_begin_iconify_animation(self->frame, iconic);
2974         /* do this after starting the animation so it doesn't flash */
2975         client_showhide(self);
2976     }
2977
2978     /* iconify all direct transients, and deiconify all transients
2979        (non-direct too) */
2980     for (it = self->transients; it; it = g_slist_next(it))
2981         if (it->data != self)
2982             if (client_is_direct_child(self, it->data) || !iconic)
2983                 client_iconify_recursive(it->data, iconic, curdesk,
2984                                          hide_animation);
2985 }
2986
2987 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk,
2988                     gboolean hide_animation)
2989 {
2990     if (self->functions & OB_CLIENT_FUNC_ICONIFY || !iconic) {
2991         /* move up the transient chain as far as possible first */
2992         self = client_search_top_normal_parent(self);
2993         client_iconify_recursive(self, iconic, curdesk, hide_animation);
2994     }
2995 }
2996
2997 void client_maximize(ObClient *self, gboolean max, gint dir)
2998 {
2999     gint x, y, w, h;
3000
3001     g_assert(dir == 0 || dir == 1 || dir == 2);
3002     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
3003
3004     /* check if already done */
3005     if (max) {
3006         if (dir == 0 && self->max_horz && self->max_vert) return;
3007         if (dir == 1 && self->max_horz) return;
3008         if (dir == 2 && self->max_vert) return;
3009     } else {
3010         if (dir == 0 && !self->max_horz && !self->max_vert) return;
3011         if (dir == 1 && !self->max_horz) return;
3012         if (dir == 2 && !self->max_vert) return;
3013     }
3014
3015     /* these will help configure_full figure out which screen to fill with
3016        the window */
3017     x = self->area.x;
3018     y = self->area.y;
3019     w = self->area.width;
3020     h = self->area.height;
3021
3022     if (max) {
3023         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
3024             RECT_SET(self->pre_max_area,
3025                      self->area.x, self->pre_max_area.y,
3026                      self->area.width, self->pre_max_area.height);
3027         }
3028         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
3029             RECT_SET(self->pre_max_area,
3030                      self->pre_max_area.x, self->area.y,
3031                      self->pre_max_area.width, self->area.height);
3032         }
3033     } else {
3034         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
3035             g_assert(self->pre_max_area.width > 0);
3036
3037             x = self->pre_max_area.x;
3038             w = self->pre_max_area.width;
3039
3040             RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
3041                      0, self->pre_max_area.height);
3042         }
3043         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
3044             g_assert(self->pre_max_area.height > 0);
3045
3046             y = self->pre_max_area.y;
3047             h = self->pre_max_area.height;
3048
3049             RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
3050                      self->pre_max_area.width, 0);
3051         }
3052     }
3053
3054     if (dir == 0 || dir == 1) /* horz */
3055         self->max_horz = max;
3056     if (dir == 0 || dir == 2) /* vert */
3057         self->max_vert = max;
3058
3059     client_change_state(self); /* change the state hints on the client */
3060
3061     client_setup_decor_and_functions(self);
3062
3063     client_move_resize(self, x, y, w, h);
3064 }
3065
3066 void client_shade(ObClient *self, gboolean shade)
3067 {
3068     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
3069          shade) ||                         /* can't shade */
3070         self->shaded == shade) return;     /* already done */
3071
3072     self->shaded = shade;
3073     client_change_state(self);
3074     client_change_wm_state(self); /* the window is being hidden/shown */
3075     /* resize the frame to just the titlebar */
3076     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
3077 }
3078
3079 void client_close(ObClient *self)
3080 {
3081     XEvent ce;
3082
3083     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
3084
3085     /* in the case that the client provides no means to requesting that it
3086        close, we just kill it */
3087     if (!self->delete_window)
3088         client_kill(self);
3089
3090     /*
3091       XXX: itd be cool to do timeouts and shit here for killing the client's
3092       process off
3093       like... if the window is around after 5 seconds, then the close button
3094       turns a nice red, and if this function is called again, the client is
3095       explicitly killed.
3096     */
3097
3098     ce.xclient.type = ClientMessage;
3099     ce.xclient.message_type =  prop_atoms.wm_protocols;
3100     ce.xclient.display = ob_display;
3101     ce.xclient.window = self->window;
3102     ce.xclient.format = 32;
3103     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
3104     ce.xclient.data.l[1] = event_curtime;
3105     ce.xclient.data.l[2] = 0l;
3106     ce.xclient.data.l[3] = 0l;
3107     ce.xclient.data.l[4] = 0l;
3108     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3109 }
3110
3111 void client_kill(ObClient *self)
3112 {
3113     XKillClient(ob_display, self->window);
3114 }
3115
3116 void client_hilite(ObClient *self, gboolean hilite)
3117 {
3118     if (self->demands_attention == hilite)
3119         return; /* no change */
3120
3121     /* don't allow focused windows to hilite */
3122     self->demands_attention = hilite && !client_focused(self);
3123     if (self->frame != NULL) { /* if we're mapping, just set the state */
3124         if (self->demands_attention)
3125             frame_flash_start(self->frame);
3126         else
3127             frame_flash_stop(self->frame);
3128         client_change_state(self);
3129     }
3130 }
3131
3132 void client_set_desktop_recursive(ObClient *self,
3133                                   guint target,
3134                                   gboolean donthide)
3135 {
3136     guint old;
3137     GSList *it;
3138
3139     if (target != self->desktop && self->type != OB_CLIENT_TYPE_DESKTOP) {
3140
3141         ob_debug("Setting desktop %u\n", target+1);
3142
3143         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3144
3145         old = self->desktop;
3146         self->desktop = target;
3147         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3148         /* the frame can display the current desktop state */
3149         frame_adjust_state(self->frame);
3150         /* 'move' the window to the new desktop */
3151         if (!donthide)
3152             client_showhide(self);
3153         /* raise if it was not already on the desktop */
3154         if (old != DESKTOP_ALL)
3155             stacking_raise(CLIENT_AS_WINDOW(self));
3156         if (STRUT_EXISTS(self->strut))
3157             screen_update_areas();
3158     }
3159
3160     /* move all transients */
3161     for (it = self->transients; it; it = g_slist_next(it))
3162         if (it->data != self)
3163             if (client_is_direct_child(self, it->data))
3164                 client_set_desktop_recursive(it->data, target, donthide);
3165 }
3166
3167 void client_set_desktop(ObClient *self, guint target,
3168                         gboolean donthide)
3169 {
3170     self = client_search_top_normal_parent(self);
3171     client_set_desktop_recursive(self, target, donthide);
3172 }
3173
3174 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3175 {
3176     while (child != parent &&
3177            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3178         child = child->transient_for;
3179     return child == parent;
3180 }
3181
3182 ObClient *client_search_modal_child(ObClient *self)
3183 {
3184     GSList *it;
3185     ObClient *ret;
3186
3187     for (it = self->transients; it; it = g_slist_next(it)) {
3188         ObClient *c = it->data;
3189         if ((ret = client_search_modal_child(c))) return ret;
3190         if (c->modal) return c;
3191     }
3192     return NULL;
3193 }
3194
3195 gboolean client_validate(ObClient *self)
3196 {
3197     XEvent e;
3198
3199     XSync(ob_display, FALSE); /* get all events on the server */
3200
3201     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3202         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3203         XPutBackEvent(ob_display, &e);
3204         return FALSE;
3205     }
3206
3207     return TRUE;
3208 }
3209
3210 void client_set_wm_state(ObClient *self, glong state)
3211 {
3212     if (state == self->wmstate) return; /* no change */
3213
3214     switch (state) {
3215     case IconicState:
3216         client_iconify(self, TRUE, TRUE, FALSE);
3217         break;
3218     case NormalState:
3219         client_iconify(self, FALSE, TRUE, FALSE);
3220         break;
3221     }
3222 }
3223
3224 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3225 {
3226     gboolean shaded = self->shaded;
3227     gboolean fullscreen = self->fullscreen;
3228     gboolean undecorated = self->undecorated;
3229     gboolean max_horz = self->max_horz;
3230     gboolean max_vert = self->max_vert;
3231     gboolean modal = self->modal;
3232     gboolean iconic = self->iconic;
3233     gboolean demands_attention = self->demands_attention;
3234     gboolean above = self->above;
3235     gboolean below = self->below;
3236     gint i;
3237
3238     if (!(action == prop_atoms.net_wm_state_add ||
3239           action == prop_atoms.net_wm_state_remove ||
3240           action == prop_atoms.net_wm_state_toggle))
3241         /* an invalid action was passed to the client message, ignore it */
3242         return;
3243
3244     for (i = 0; i < 2; ++i) {
3245         Atom state = i == 0 ? data1 : data2;
3246
3247         if (!state) continue;
3248
3249         /* if toggling, then pick whether we're adding or removing */
3250         if (action == prop_atoms.net_wm_state_toggle) {
3251             if (state == prop_atoms.net_wm_state_modal)
3252                 action = modal ? prop_atoms.net_wm_state_remove :
3253                     prop_atoms.net_wm_state_add;
3254             else if (state == prop_atoms.net_wm_state_maximized_vert)
3255                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3256                     prop_atoms.net_wm_state_add;
3257             else if (state == prop_atoms.net_wm_state_maximized_horz)
3258                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3259                     prop_atoms.net_wm_state_add;
3260             else if (state == prop_atoms.net_wm_state_shaded)
3261                 action = shaded ? prop_atoms.net_wm_state_remove :
3262                     prop_atoms.net_wm_state_add;
3263             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3264                 action = self->skip_taskbar ?
3265                     prop_atoms.net_wm_state_remove :
3266                     prop_atoms.net_wm_state_add;
3267             else if (state == prop_atoms.net_wm_state_skip_pager)
3268                 action = self->skip_pager ?
3269                     prop_atoms.net_wm_state_remove :
3270                     prop_atoms.net_wm_state_add;
3271             else if (state == prop_atoms.net_wm_state_hidden)
3272                 action = self->iconic ?
3273                     prop_atoms.net_wm_state_remove :
3274                     prop_atoms.net_wm_state_add;
3275             else if (state == prop_atoms.net_wm_state_fullscreen)
3276                 action = fullscreen ?
3277                     prop_atoms.net_wm_state_remove :
3278                     prop_atoms.net_wm_state_add;
3279             else if (state == prop_atoms.net_wm_state_above)
3280                 action = self->above ? prop_atoms.net_wm_state_remove :
3281                     prop_atoms.net_wm_state_add;
3282             else if (state == prop_atoms.net_wm_state_below)
3283                 action = self->below ? prop_atoms.net_wm_state_remove :
3284                     prop_atoms.net_wm_state_add;
3285             else if (state == prop_atoms.net_wm_state_demands_attention)
3286                 action = self->demands_attention ?
3287                     prop_atoms.net_wm_state_remove :
3288                     prop_atoms.net_wm_state_add;
3289             else if (state == prop_atoms.ob_wm_state_undecorated)
3290                 action = undecorated ? prop_atoms.net_wm_state_remove :
3291                     prop_atoms.net_wm_state_add;
3292         }
3293
3294         if (action == prop_atoms.net_wm_state_add) {
3295             if (state == prop_atoms.net_wm_state_modal) {
3296                 modal = TRUE;
3297             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3298                 max_vert = TRUE;
3299             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3300                 max_horz = TRUE;
3301             } else if (state == prop_atoms.net_wm_state_shaded) {
3302                 shaded = TRUE;
3303             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3304                 self->skip_taskbar = TRUE;
3305             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3306                 self->skip_pager = TRUE;
3307             } else if (state == prop_atoms.net_wm_state_hidden) {
3308                 iconic = TRUE;
3309             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3310                 fullscreen = TRUE;
3311             } else if (state == prop_atoms.net_wm_state_above) {
3312                 above = TRUE;
3313                 below = FALSE;
3314             } else if (state == prop_atoms.net_wm_state_below) {
3315                 above = FALSE;
3316                 below = TRUE;
3317             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3318                 demands_attention = TRUE;
3319             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3320                 undecorated = TRUE;
3321             }
3322
3323         } else { /* action == prop_atoms.net_wm_state_remove */
3324             if (state == prop_atoms.net_wm_state_modal) {
3325                 modal = FALSE;
3326             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3327                 max_vert = FALSE;
3328             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3329                 max_horz = FALSE;
3330             } else if (state == prop_atoms.net_wm_state_shaded) {
3331                 shaded = FALSE;
3332             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3333                 self->skip_taskbar = FALSE;
3334             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3335                 self->skip_pager = FALSE;
3336             } else if (state == prop_atoms.net_wm_state_hidden) {
3337                 iconic = FALSE;
3338             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3339                 fullscreen = FALSE;
3340             } else if (state == prop_atoms.net_wm_state_above) {
3341                 above = FALSE;
3342             } else if (state == prop_atoms.net_wm_state_below) {
3343                 below = FALSE;
3344             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3345                 demands_attention = FALSE;
3346             } else if (state == prop_atoms.ob_wm_state_undecorated) {
3347                 undecorated = FALSE;
3348             }
3349         }
3350     }
3351
3352     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3353         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3354             /* toggling both */
3355             if (max_horz == max_vert) { /* both going the same way */
3356                 client_maximize(self, max_horz, 0);
3357             } else {
3358                 client_maximize(self, max_horz, 1);
3359                 client_maximize(self, max_vert, 2);
3360             }
3361         } else {
3362             /* toggling one */
3363             if (max_horz != self->max_horz)
3364                 client_maximize(self, max_horz, 1);
3365             else
3366                 client_maximize(self, max_vert, 2);
3367         }
3368     }
3369     /* change fullscreen state before shading, as it will affect if the window
3370        can shade or not */
3371     if (fullscreen != self->fullscreen)
3372         client_fullscreen(self, fullscreen);
3373     if (shaded != self->shaded)
3374         client_shade(self, shaded);
3375     if (undecorated != self->undecorated)
3376         client_set_undecorated(self, undecorated);
3377     if (above != self->above || below != self->below) {
3378         self->above = above;
3379         self->below = below;
3380         client_calc_layer(self);
3381     }
3382
3383     if (modal != self->modal) {
3384         self->modal = modal;
3385         /* when a window changes modality, then its stacking order with its
3386            transients needs to change */
3387         stacking_raise(CLIENT_AS_WINDOW(self));
3388
3389         /* it also may get focused. if something is focused that shouldn't
3390            be focused anymore, then move the focus */
3391         if (focus_client && client_focus_target(focus_client) != focus_client)
3392             client_focus(focus_client);
3393     }
3394
3395     if (iconic != self->iconic)
3396         client_iconify(self, iconic, FALSE, FALSE);
3397
3398     if (demands_attention != self->demands_attention)
3399         client_hilite(self, demands_attention);
3400
3401     client_change_state(self); /* change the hint to reflect these changes */
3402 }
3403
3404 ObClient *client_focus_target(ObClient *self)
3405 {
3406     ObClient *child = NULL;
3407
3408     child = client_search_modal_child(self);
3409     if (child) return child;
3410     return self;
3411 }
3412
3413 gboolean client_can_focus(ObClient *self)
3414 {
3415     /* choose the correct target */
3416     self = client_focus_target(self);
3417
3418     if (!self->frame->visible)
3419         return FALSE;
3420
3421     if (!(self->can_focus || self->focus_notify))
3422         return FALSE;
3423
3424     return TRUE;
3425 }
3426
3427 gboolean client_focus(ObClient *self)
3428 {
3429     /* choose the correct target */
3430     self = client_focus_target(self);
3431
3432     if (!client_can_focus(self)) {
3433         if (!self->frame->visible) {
3434             /* update the focus lists */
3435             focus_order_to_top(self);
3436         }
3437         return FALSE;
3438     }
3439
3440     ob_debug_type(OB_DEBUG_FOCUS,
3441                   "Focusing client \"%s\" at time %u\n",
3442                   self->title, event_curtime);
3443
3444     /* if there is a grab going on, then we need to cancel it. if we move
3445        focus during the grab, applications will get NotifyWhileGrabbed events
3446        and ignore them !
3447
3448        actions should not rely on being able to move focus during an
3449        interactive grab.
3450     */
3451     if (keyboard_interactively_grabbed())
3452         keyboard_interactive_cancel();
3453
3454     xerror_set_ignore(TRUE);
3455     xerror_occured = FALSE;
3456
3457     if (self->can_focus) {
3458         /* This can cause a BadMatch error with CurrentTime, or if an app
3459            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3460         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3461                        event_curtime);
3462     }
3463
3464     if (self->focus_notify) {
3465         XEvent ce;
3466         ce.xclient.type = ClientMessage;
3467         ce.xclient.message_type = prop_atoms.wm_protocols;
3468         ce.xclient.display = ob_display;
3469         ce.xclient.window = self->window;
3470         ce.xclient.format = 32;
3471         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3472         ce.xclient.data.l[1] = event_curtime;
3473         ce.xclient.data.l[2] = 0l;
3474         ce.xclient.data.l[3] = 0l;
3475         ce.xclient.data.l[4] = 0l;
3476         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3477     }
3478
3479     xerror_set_ignore(FALSE);
3480
3481     return !xerror_occured;
3482 }
3483
3484 /*! Present the client to the user.
3485   @param raise If the client should be raised or not. You should only set
3486                raise to false if you don't care if the window is completely
3487                hidden.
3488 */
3489 static void client_present(ObClient *self, gboolean here, gboolean raise)
3490 {
3491     /* if using focus_delay, stop the timer now so that focus doesn't
3492        go moving on us */
3493     event_halt_focus_delay();
3494
3495     if (client_normal(self) && screen_showing_desktop)
3496         screen_show_desktop(FALSE, self);
3497     if (self->iconic)
3498         client_iconify(self, FALSE, here, FALSE);
3499     if (self->desktop != DESKTOP_ALL &&
3500         self->desktop != screen_desktop)
3501     {
3502         if (here)
3503             client_set_desktop(self, screen_desktop, FALSE);
3504         else
3505             screen_set_desktop(self->desktop, FALSE);
3506     } else if (!self->frame->visible)
3507         /* if its not visible for other reasons, then don't mess
3508            with it */
3509         return;
3510     if (self->shaded)
3511         client_shade(self, FALSE);
3512     if (raise)
3513         stacking_raise(CLIENT_AS_WINDOW(self));
3514
3515     client_focus(self);
3516 }
3517
3518 void client_activate(ObClient *self, gboolean here, gboolean user)
3519 {
3520     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3521     gboolean allow = FALSE;
3522
3523     /* if the request came from the user, or if nothing is focused, then grant
3524        the request.
3525        if the currently focused app doesn't set a user_time, then it can't
3526        benefit from any focus stealing prevention.
3527     */
3528     if (user || !focus_client || !last_time)
3529         allow = TRUE;
3530     /* otherwise, if they didn't give a time stamp or if it is too old, they
3531        don't get focus */
3532     else
3533         allow = event_curtime && event_time_after(event_curtime, last_time);
3534
3535     ob_debug_type(OB_DEBUG_FOCUS,
3536                   "Want to activate window 0x%x with time %u (last time %u), "
3537                   "source=%s allowing? %d\n",
3538                   self->window, event_curtime, last_time,
3539                   (user ? "user" : "application"), allow);
3540
3541     if (allow)
3542         client_present(self, here, TRUE);
3543     else
3544         /* don't focus it but tell the user it wants attention */
3545         client_hilite(self, TRUE);
3546 }
3547
3548 static void client_bring_helper_windows_recursive(ObClient *self,
3549                                                   guint desktop)
3550 {
3551     GSList *it;
3552
3553     for (it = self->transients; it; it = g_slist_next(it))
3554         client_bring_helper_windows_recursive(it->data, desktop);
3555
3556     if (client_helper(self) &&
3557         self->desktop != desktop && self->desktop != DESKTOP_ALL)
3558     {
3559         client_set_desktop(self, desktop, FALSE);
3560     }
3561 }
3562
3563 void client_bring_helper_windows(ObClient *self)
3564 {
3565     client_bring_helper_windows_recursive(self, self->desktop);
3566 }
3567
3568 gboolean client_focused(ObClient *self)
3569 {
3570     return self == focus_client;
3571 }
3572
3573 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3574 {
3575     guint i;
3576     gulong min_diff, min_i;
3577
3578     if (!self->nicons) {
3579         ObClientIcon *parent = NULL;
3580
3581         if (self->transient_for) {
3582             if (self->transient_for != OB_TRAN_GROUP)
3583                 parent = client_icon_recursive(self->transient_for, w, h);
3584             else {
3585                 GSList *it;
3586                 for (it = self->group->members; it; it = g_slist_next(it)) {
3587                     ObClient *c = it->data;
3588                     if (c != self && !c->transient_for) {
3589                         if ((parent = client_icon_recursive(c, w, h)))
3590                             break;
3591                     }
3592                 }
3593             }
3594         }
3595
3596         return parent;
3597     }
3598
3599     /* some kind of crappy approximation to find the icon closest in size to
3600        what we requested, but icons are generally all the same ratio as
3601        eachother so it's good enough. */
3602
3603     min_diff = ABS(self->icons[0].width - w) + ABS(self->icons[0].height - h);
3604     min_i = 0;
3605
3606     for (i = 1; i < self->nicons; ++i) {
3607         gulong diff;
3608
3609         diff = ABS(self->icons[i].width - w) + ABS(self->icons[i].height - h);
3610         if (diff < min_diff) {
3611             min_diff = diff;
3612             min_i = i;
3613         }
3614     }
3615     return &self->icons[min_i];
3616 }
3617
3618 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3619 {
3620     ObClientIcon *ret;
3621     static ObClientIcon deficon;
3622
3623     if (!(ret = client_icon_recursive(self, w, h))) {
3624         deficon.width = deficon.height = 48;
3625         deficon.data = ob_rr_theme->def_win_icon;
3626         ret = &deficon;
3627     }
3628     return ret;
3629 }
3630
3631 void client_set_layer(ObClient *self, gint layer)
3632 {
3633     if (layer < 0) {
3634         self->below = TRUE;
3635         self->above = FALSE;
3636     } else if (layer == 0) {
3637         self->below = self->above = FALSE;
3638     } else {
3639         self->below = FALSE;
3640         self->above = TRUE;
3641     }
3642     client_calc_layer(self);
3643     client_change_state(self); /* reflect this in the state hints */
3644 }
3645
3646 void client_set_undecorated(ObClient *self, gboolean undecorated)
3647 {
3648     if (self->undecorated != undecorated &&
3649         /* don't let it undecorate if the function is missing, but let
3650            it redecorate */
3651         (self->functions & OB_CLIENT_FUNC_UNDECORATE || !undecorated))
3652     {
3653         self->undecorated = undecorated;
3654         client_setup_decor_and_functions(self);
3655         client_reconfigure(self); /* show the lack of decorations */
3656         client_change_state(self); /* reflect this in the state hints */
3657     }
3658 }
3659
3660 guint client_monitor(ObClient *self)
3661 {
3662     return screen_find_monitor(&self->frame->area);
3663 }
3664
3665 ObClient *client_search_top_normal_parent(ObClient *self)
3666 {
3667     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3668            client_normal(self->transient_for))
3669         self = self->transient_for;
3670     return self;
3671 }
3672
3673 static GSList *client_search_all_top_parents_internal(ObClient *self,
3674                                                       gboolean bylayer,
3675                                                       ObStackingLayer layer)
3676 {
3677     GSList *ret = NULL;
3678
3679     /* move up the direct transient chain as far as possible */
3680     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3681            (!bylayer || self->transient_for->layer == layer) &&
3682            client_normal(self->transient_for))
3683         self = self->transient_for;
3684
3685     if (!self->transient_for)
3686         ret = g_slist_prepend(ret, self);
3687     else {
3688             GSList *it;
3689
3690             g_assert(self->group);
3691
3692             for (it = self->group->members; it; it = g_slist_next(it)) {
3693                 ObClient *c = it->data;
3694
3695                 if (!c->transient_for && client_normal(c) &&
3696                     (!bylayer || c->layer == layer))
3697                 {
3698                     ret = g_slist_prepend(ret, c);
3699                 }
3700             }
3701
3702             if (ret == NULL) /* no group parents */
3703                 ret = g_slist_prepend(ret, self);
3704     }
3705
3706     return ret;
3707 }
3708
3709 GSList *client_search_all_top_parents(ObClient *self)
3710 {
3711     return client_search_all_top_parents_internal(self, FALSE, 0);
3712 }
3713
3714 GSList *client_search_all_top_parents_layer(ObClient *self)
3715 {
3716     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3717 }
3718
3719 ObClient *client_search_focus_parent(ObClient *self)
3720 {
3721     if (self->transient_for) {
3722         if (self->transient_for != OB_TRAN_GROUP) {
3723             if (client_focused(self->transient_for))
3724                 return self->transient_for;
3725         } else {
3726             GSList *it;
3727
3728             for (it = self->group->members; it; it = g_slist_next(it)) {
3729                 ObClient *c = it->data;
3730
3731                 /* checking transient_for prevents infinate loops! */
3732                 if (c != self && !c->transient_for)
3733                     if (client_focused(c))
3734                         return c;
3735             }
3736         }
3737     }
3738
3739     return NULL;
3740 }
3741
3742 ObClient *client_search_parent(ObClient *self, ObClient *search)
3743 {
3744     if (self->transient_for) {
3745         if (self->transient_for != OB_TRAN_GROUP) {
3746             if (self->transient_for == search)
3747                 return search;
3748         } else {
3749             GSList *it;
3750
3751             for (it = self->group->members; it; it = g_slist_next(it)) {
3752                 ObClient *c = it->data;
3753
3754                 /* checking transient_for prevents infinate loops! */
3755                 if (c != self && !c->transient_for)
3756                     if (c == search)
3757                         return search;
3758             }
3759         }
3760     }
3761
3762     return NULL;
3763 }
3764
3765 ObClient *client_search_transient(ObClient *self, ObClient *search)
3766 {
3767     GSList *sit;
3768
3769     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3770         if (sit->data == search)
3771             return search;
3772         if (client_search_transient(sit->data, search))
3773             return search;
3774     }
3775     return NULL;
3776 }
3777
3778 #define WANT_EDGE(cur, c) \
3779             if(cur == c)                                                      \
3780                 continue;                                                     \
3781             if(!client_normal(cur))                                           \
3782                 continue;                                                     \
3783             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3784                 continue;                                                     \
3785             if(cur->iconic)                                                   \
3786                 continue;
3787
3788 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3789             if ((his_edge_start >= my_edge_start && \
3790                  his_edge_start <= my_edge_end) ||  \
3791                 (my_edge_start >= his_edge_start && \
3792                  my_edge_start <= his_edge_end))    \
3793                 dest = his_offset;
3794
3795 /* finds the nearest edge in the given direction from the current client
3796  * note to self: the edge is the -frame- edge (the actual one), not the
3797  * client edge.
3798  */
3799 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3800 {
3801     gint dest, monitor_dest;
3802     gint my_edge_start, my_edge_end, my_offset;
3803     GList *it;
3804     Rect *a, *monitor;
3805
3806     if(!client_list)
3807         return -1;
3808
3809     a = screen_area(c->desktop);
3810     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3811
3812     switch(dir) {
3813     case OB_DIRECTION_NORTH:
3814         my_edge_start = c->frame->area.x;
3815         my_edge_end = c->frame->area.x + c->frame->area.width;
3816         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3817
3818         /* default: top of screen */
3819         dest = a->y + (hang ? c->frame->area.height : 0);
3820         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3821         /* if the monitor edge comes before the screen edge, */
3822         /* use that as the destination instead. (For xinerama) */
3823         if (monitor_dest != dest && my_offset > monitor_dest)
3824             dest = monitor_dest;
3825
3826         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3827             gint his_edge_start, his_edge_end, his_offset;
3828             ObClient *cur = it->data;
3829
3830             WANT_EDGE(cur, c)
3831
3832             his_edge_start = cur->frame->area.x;
3833             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3834             his_offset = cur->frame->area.y +
3835                          (hang ? 0 : cur->frame->area.height);
3836
3837             if(his_offset + 1 > my_offset)
3838                 continue;
3839
3840             if(his_offset < dest)
3841                 continue;
3842
3843             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3844         }
3845         break;
3846     case OB_DIRECTION_SOUTH:
3847         my_edge_start = c->frame->area.x;
3848         my_edge_end = c->frame->area.x + c->frame->area.width;
3849         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3850
3851         /* default: bottom of screen */
3852         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3853         monitor_dest = monitor->y + monitor->height -
3854                        (hang ? c->frame->area.height : 0);
3855         /* if the monitor edge comes before the screen edge, */
3856         /* use that as the destination instead. (For xinerama) */
3857         if (monitor_dest != dest && my_offset < monitor_dest)
3858             dest = monitor_dest;
3859
3860         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3861             gint his_edge_start, his_edge_end, his_offset;
3862             ObClient *cur = it->data;
3863
3864             WANT_EDGE(cur, c)
3865
3866             his_edge_start = cur->frame->area.x;
3867             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3868             his_offset = cur->frame->area.y +
3869                          (hang ? cur->frame->area.height : 0);
3870
3871
3872             if(his_offset - 1 < my_offset)
3873                 continue;
3874
3875             if(his_offset > dest)
3876                 continue;
3877
3878             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3879         }
3880         break;
3881     case OB_DIRECTION_WEST:
3882         my_edge_start = c->frame->area.y;
3883         my_edge_end = c->frame->area.y + c->frame->area.height;
3884         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3885
3886         /* default: leftmost egde of screen */
3887         dest = a->x + (hang ? c->frame->area.width : 0);
3888         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3889         /* if the monitor edge comes before the screen edge, */
3890         /* use that as the destination instead. (For xinerama) */
3891         if (monitor_dest != dest && my_offset > monitor_dest)
3892             dest = monitor_dest;
3893
3894         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3895             gint his_edge_start, his_edge_end, his_offset;
3896             ObClient *cur = it->data;
3897
3898             WANT_EDGE(cur, c)
3899
3900             his_edge_start = cur->frame->area.y;
3901             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3902             his_offset = cur->frame->area.x +
3903                          (hang ? 0 : cur->frame->area.width);
3904
3905             if(his_offset + 1 > my_offset)
3906                 continue;
3907
3908             if(his_offset < dest)
3909                 continue;
3910
3911             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3912         }
3913        break;
3914     case OB_DIRECTION_EAST:
3915         my_edge_start = c->frame->area.y;
3916         my_edge_end = c->frame->area.y + c->frame->area.height;
3917         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3918
3919         /* default: rightmost edge of screen */
3920         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3921         monitor_dest = monitor->x + monitor->width -
3922                        (hang ? c->frame->area.width : 0);
3923         /* if the monitor edge comes before the screen edge, */
3924         /* use that as the destination instead. (For xinerama) */
3925         if (monitor_dest != dest && my_offset < monitor_dest)
3926             dest = monitor_dest;
3927
3928         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3929             gint his_edge_start, his_edge_end, his_offset;
3930             ObClient *cur = it->data;
3931
3932             WANT_EDGE(cur, c)
3933
3934             his_edge_start = cur->frame->area.y;
3935             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3936             his_offset = cur->frame->area.x +
3937                          (hang ? cur->frame->area.width : 0);
3938
3939             if(his_offset - 1 < my_offset)
3940                 continue;
3941
3942             if(his_offset > dest)
3943                 continue;
3944
3945             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3946         }
3947         break;
3948     case OB_DIRECTION_NORTHEAST:
3949     case OB_DIRECTION_SOUTHEAST:
3950     case OB_DIRECTION_NORTHWEST:
3951     case OB_DIRECTION_SOUTHWEST:
3952         /* not implemented */
3953     default:
3954         g_assert_not_reached();
3955         dest = 0; /* suppress warning */
3956     }
3957     return dest;
3958 }
3959
3960 ObClient* client_under_pointer()
3961 {
3962     gint x, y;
3963     GList *it;
3964     ObClient *ret = NULL;
3965
3966     if (screen_pointer_pos(&x, &y)) {
3967         for (it = stacking_list; it; it = g_list_next(it)) {
3968             if (WINDOW_IS_CLIENT(it->data)) {
3969                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3970                 if (c->frame->visible &&
3971                     /* ignore all animating windows */
3972                     !frame_iconify_animating(c->frame) &&
3973                     RECT_CONTAINS(c->frame->area, x, y))
3974                 {
3975                     ret = c;
3976                     break;
3977                 }
3978             }
3979         }
3980     }
3981     return ret;
3982 }
3983
3984 gboolean client_has_group_siblings(ObClient *self)
3985 {
3986     return self->group && self->group->members->next;
3987 }