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 "stacking.h"
  36 #include "openbox.h"
  37 #include "group.h"
  38 #include "config.h"
  39 #include "menuframe.h"
  40 #include "keyboard.h"
  41 #include "mouse.h"
  42 #include "render/render.h"
  43
  44 #ifdef HAVE_UNISTD_H
  45 #  include <unistd.h>
  46 #endif
  47
  48 #include <glib.h>
  49 #include <X11/Xutil.h>
  50
  51 /*! The event mask to grab on client windows */
  52 #define CLIENT_EVENTMASK (PropertyChangeMask | StructureNotifyMask | \
  53                           ColormapChangeMask)
  54
  55 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  56                                 ButtonMotionMask)
  57
  58 typedef struct
  59 {
  60     ObClientCallback func;
  61     gpointer data;
  62 } ClientCallback;
  63
  64 GList            *client_list          = NULL;
  65
  66 static GSList *client_destructors      = NULL;
  67 static GSList *client_desktop_notifies = NULL;
  68
  69 static void client_get_all(ObClient *self);
  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_layer(ObClient *self);
  77 static void client_get_shaped(ObClient *self);
  78 static void client_get_mwm_hints(ObClient *self);
  79 static void client_get_gravity(ObClient *self);
  80 static void client_get_colormap(ObClient *self);
  81 static void client_get_transientness(ObClient *self);
  82 static void client_change_allowed_actions(ObClient *self);
  83 static void client_change_state(ObClient *self);
  84 static void client_change_wm_state(ObClient *self);
  85 static void client_apply_startup_state(ObClient *self, gint x, gint y);
  86 static void client_restore_session_state(ObClient *self);
  87 static gboolean client_restore_session_stacking(ObClient *self);
  88 static ObAppSettings *client_get_settings_state(ObClient *self);
  89 static void client_update_transient_tree(ObClient *self,
  90                                          ObGroup *oldgroup, ObGroup *newgroup,
  91                                          ObClient* oldparent,
  92                                          ObClient *newparent);
  93 static void client_present(ObClient *self, gboolean here, gboolean raise);
  94 static GSList *client_search_all_top_parents_internal(ObClient *self,
  95                                                       gboolean bylayer,
  96                                                       ObStackingLayer layer);
  97
  98 void client_startup(gboolean reconfig)
  99 {
 100     if (reconfig) return;
 101
 102     client_set_list();
 103 }
 104
 105 void client_shutdown(gboolean reconfig)
 106 {
 107 }
 108
 109 void client_add_destructor(ObClientCallback func, gpointer data)
 110 {
 111     ClientCallback *d = g_new(ClientCallback, 1);
 112     d->func = func;
 113     d->data = data;
 114     client_destructors = g_slist_prepend(client_destructors, d);
 115 }
 116
 117 void client_remove_destructor(ObClientCallback func)
 118 {
 119     GSList *it;
 120
 121     for (it = client_destructors; it; it = g_slist_next(it)) {
 122         ClientCallback *d = it->data;
 123         if (d->func == func) {
 124             g_free(d);
 125             client_destructors = g_slist_delete_link(client_destructors, it);
 126             break;
 127         }
 128     }
 129 }
 130
 131 void client_add_desktop_notify(ObClientCallback func, gpointer data)
 132 {
 133     ClientCallback *d = g_new(ClientCallback, 1);
 134     d->func = func;
 135     d->data = data;
 136     client_desktop_notifies = g_slist_prepend(client_desktop_notifies, d);
 137 }
 138
 139 void client_remove_desktop_notify(ObClientCallback func)
 140 {
 141     GSList *it;
 142
 143     for (it = client_desktop_notifies; it; it = g_slist_next(it)) {
 144         ClientCallback *d = it->data;
 145         if (d->func == func) {
 146             g_free(d);
 147             client_desktop_notifies =
 148                 g_slist_delete_link(client_desktop_notifies, it);
 149             break;
 150         }
 151     }
 152 }
 153
 154 void client_set_list()
 155 {
 156     Window *windows, *win_it;
 157     GList *it;
 158     guint size = g_list_length(client_list);
 159
 160     /* create an array of the window ids */
 161     if (size > 0) {
 162         windows = g_new(Window, size);
 163         win_it = windows;
 164         for (it = client_list; it; it = g_list_next(it), ++win_it)
 165             *win_it = ((ObClient*)it->data)->window;
 166     } else
 167         windows = NULL;
 168
 169     PROP_SETA32(RootWindow(ob_display, ob_screen),
 170                 net_client_list, window, (gulong*)windows, size);
 171
 172     if (windows)
 173         g_free(windows);
 174
 175     stacking_set_list();
 176 }
 177
 178 /*
 179   void client_foreach_transient(ObClient *self, ObClientForeachFunc func, gpointer data)
 180   {
 181   GSList *it;
 182
 183   for (it = self->transients; it; it = g_slist_next(it)) {
 184   if (!func(it->data, data)) return;
 185   client_foreach_transient(it->data, func, data);
 186   }
 187   }
 188
 189   void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, gpointer data)
 190   {
 191   if (self->transient_for) {
 192   if (self->transient_for != OB_TRAN_GROUP) {
 193   if (!func(self->transient_for, data)) return;
 194   client_foreach_ancestor(self->transient_for, func, data);
 195   } else {
 196   GSList *it;
 197
 198   for (it = self->group->members; it; it = g_slist_next(it))
 199   if (it->data != self &&
 200   !((ObClient*)it->data)->transient_for) {
 201   if (!func(it->data, data)) return;
 202   client_foreach_ancestor(it->data, func, data);
 203   }
 204   }
 205   }
 206   }
 207 */
 208
 209 void client_manage_all()
 210 {
 211     guint i, j, nchild;
 212     Window w, *children;
 213     XWMHints *wmhints;
 214     XWindowAttributes attrib;
 215
 216     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 217                &w, &w, &children, &nchild);
 218
 219     /* remove all icon windows from the list */
 220     for (i = 0; i < nchild; i++) {
 221         if (children[i] == None) continue;
 222         wmhints = XGetWMHints(ob_display, children[i]);
 223         if (wmhints) {
 224             if ((wmhints->flags & IconWindowHint) &&
 225                 (wmhints->icon_window != children[i]))
 226                 for (j = 0; j < nchild; j++)
 227                     if (children[j] == wmhints->icon_window) {
 228                         children[j] = None;
 229                         break;
 230                     }
 231             XFree(wmhints);
 232         }
 233     }
 234
 235     for (i = 0; i < nchild; ++i) {
 236         if (children[i] == None)
 237             continue;
 238         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 239             if (attrib.override_redirect) continue;
 240
 241             if (attrib.map_state != IsUnmapped)
 242                 client_manage(children[i]);
 243         }
 244     }
 245     XFree(children);
 246 }
 247
 248 void client_manage(Window window)
 249 {
 250     ObClient *self;
 251     XEvent e;
 252     XWindowAttributes attrib;
 253     XSetWindowAttributes attrib_set;
 254     XWMHints *wmhint;
 255     gboolean activate = FALSE;
 256     ObAppSettings *settings;
 257     gint newx, newy;
 258
 259     grab_server(TRUE);
 260
 261     /* check if it has already been unmapped by the time we started mapping.
 262        the grab does a sync so we don't have to here */
 263     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 264         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e))
 265     {
 266         XPutBackEvent(ob_display, &e);
 267
 268         ob_debug("Trying to manage unmapped window. Aborting that.\n");
 269         grab_server(FALSE);
 270         return; /* don't manage it */
 271     }
 272
 273     /* make sure it isn't an override-redirect window */
 274     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 275         attrib.override_redirect)
 276     {
 277         grab_server(FALSE);
 278         return; /* don't manage it */
 279     }
 280
 281     /* is the window a docking app */
 282     if ((wmhint = XGetWMHints(ob_display, window))) {
 283         if ((wmhint->flags & StateHint) &&
 284             wmhint->initial_state == WithdrawnState)
 285         {
 286             dock_add(window, wmhint);
 287             grab_server(FALSE);
 288             XFree(wmhint);
 289             return;
 290         }
 291         XFree(wmhint);
 292     }
 293
 294     ob_debug("Managing window: %lx\n", window);
 295
 296     /* choose the events we want to receive on the CLIENT window */
 297     attrib_set.event_mask = CLIENT_EVENTMASK;
 298     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 299     XChangeWindowAttributes(ob_display, window,
 300                             CWEventMask|CWDontPropagate, &attrib_set);
 301
 302
 303     /* create the ObClient struct, and populate it from the hints on the
 304        window */
 305     self = g_new0(ObClient, 1);
 306     self->obwin.type = Window_Client;
 307     self->window = window;
 308
 309     /* non-zero defaults */
 310     self->wmstate = WithdrawnState; /* make sure it gets updated first time */
 311     self->layer = -1;
 312     self->desktop = screen_num_desktops; /* always an invalid value */
 313     self->user_time = focus_client ? focus_client->user_time : CurrentTime;
 314
 315     client_get_all(self);
 316     /* per-app settings override stuff, and return the settings for other
 317        uses too */
 318     settings = client_get_settings_state(self);
 319     /* the session should get the last say */
 320     client_restore_session_state(self);
 321
 322     client_calc_layer(self);
 323
 324     {
 325         Time t = sn_app_started(self->startup_id, self->class);
 326         if (t) self->user_time = t;
 327     }
 328
 329     /* update the focus lists, do this before the call to change_state or
 330        it can end up in the list twice! */
 331     focus_order_add_new(self);
 332
 333     /* remove the client's border (and adjust re gravity) */
 334     client_toggle_border(self, FALSE);
 335
 336     /* specify that if we exit, the window should not be destroyed and should
 337        be reparented back to root automatically */
 338     XChangeSaveSet(ob_display, window, SetModeInsert);
 339
 340     /* create the decoration frame for the client window */
 341     self->frame = frame_new(self);
 342
 343     frame_grab_client(self->frame, self);
 344
 345     /* do this after we have a frame.. it uses the frame to help determine the
 346        WM_STATE to apply. */
 347     client_change_state(self);
 348
 349     grab_server(FALSE);
 350
 351     stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
 352
 353     /* focus the new window? */
 354     if (ob_state() != OB_STATE_STARTING &&
 355         (!self->session || self->session->focused) &&
 356         !self->iconic &&
 357         /* this means focus=true for window is same as config_focus_new=true */
 358         ((config_focus_new || (settings && settings->focus == 1)) ||
 359          client_search_focus_parent(self)) &&
 360         /* this checks for focus=false for the window */
 361         (!settings || settings->focus != 0) &&
 362         /* note the check against Type_Normal/Dialog, not client_normal(self),
 363            which would also include other types. in this case we want more
 364            strict rules for focus */
 365         (self->type == OB_CLIENT_TYPE_NORMAL ||
 366          self->type == OB_CLIENT_TYPE_DIALOG))
 367     {
 368         activate = TRUE;
 369     }
 370
 371     /* get the current position */
 372     newx = self->area.x;
 373     newy = self->area.y;
 374
 375     /* figure out placement for the window */
 376     if (ob_state() == OB_STATE_RUNNING) {
 377         gboolean transient;
 378
 379         transient = place_client(self, &newx, &newy, settings);
 380
 381         /* make sure the window is visible. */
 382         client_find_onscreen(self, &newx, &newy,
 383                              self->area.width,
 384                              self->area.height,
 385                              /* non-normal clients has less rules, and
 386                                 windows that are being restored from a
 387                                 session do also. we can assume you want
 388                                 it back where you saved it. Clients saying
 389                                 they placed themselves are subjected to
 390                                 harder rules, ones that are placed by
 391                                 place.c or by the user are allowed partially
 392                                 off-screen and on xinerama divides (ie,
 393                                 it is up to the placement routines to avoid
 394                                 the xinerama divides) */
 395                              transient ||
 396                              (((self->positioned & PPosition) &&
 397                                !(self->positioned & USPosition)) &&
 398                               client_normal(self) &&
 399                               !self->session));
 400     }
 401
 402     /* do this after the window is placed, so the premax/prefullscreen numbers
 403        won't be all wacko!!
 404        also, this moves the window to the position where it has been placed
 405     */
 406     ob_debug("placing window 0x%x at %d, %d with size %d x %d\n",
 407              self->window, newx, newy, self->area.width, self->area.height);
 408     if (self->session)
 409         ob_debug("session requested %d %d\n",
 410                  self->session->x, self->session->y);
 411
 412     client_apply_startup_state(self, newx, newy);
 413
 414     mouse_grab_for_client(self, TRUE);
 415
 416     if (activate) {
 417         guint32 last_time = focus_client ?
 418             focus_client->user_time : CurrentTime;
 419
 420         /* This is focus stealing prevention */
 421         ob_debug_type(OB_DEBUG_FOCUS,
 422                       "Want to focus new window 0x%x with time %u "
 423                       "(last time %u)\n",
 424                       self->window, self->user_time, last_time);
 425
 426         /* if it's on another desktop */
 427         if (!(self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
 428             && /* the timestamp is from before you changed desktops */
 429             self->user_time && screen_desktop_user_time &&
 430             !event_time_after(self->user_time, screen_desktop_user_time))
 431         {
 432             activate = FALSE;
 433             ob_debug_type(OB_DEBUG_FOCUS,
 434                           "Not focusing the window because its on another "
 435                           "desktop\n");
 436         }
 437         /* If something is focused, and it's not our parent... */
 438         else if (focus_client && client_search_focus_parent(self) == NULL)
 439         {
 440             /* If time stamp is old, don't steal focus */
 441             if (self->user_time && last_time &&
 442                 !event_time_after(self->user_time, last_time))
 443             {
 444                 activate = FALSE;
 445                 ob_debug_type(OB_DEBUG_FOCUS,
 446                               "Not focusing the window because the time is "
 447                               "too old\n");
 448             }
 449             /* Don't steal focus from globally active clients.
 450                I stole this idea from KWin. It seems nice.
 451              */
 452             if (!(focus_client->can_focus || focus_client->focus_notify)) {
 453                 activate = FALSE;
 454                 ob_debug_type(OB_DEBUG_FOCUS,
 455                               "Not focusing the window because a globally "
 456                               "active client has focus\n");
 457             }
 458         }
 459
 460         if (!activate) {
 461             ob_debug_type(OB_DEBUG_FOCUS,
 462                           "Focus stealing prevention activated for %s with "
 463                           "time %u (last time %u)\n",
 464                           self->title, self->user_time, last_time);
 465             /* if the client isn't focused, then hilite it so the user
 466                knows it is there */
 467             client_hilite(self, TRUE);
 468         }
 469     }
 470     else {
 471         /* This may look rather odd. Well it's because new windows are added
 472            to the stacking order non-intrusively. If we're not going to focus
 473            the new window or hilite it, then we raise it to the top. This will
 474            take affect for things that don't get focused like splash screens.
 475            Also if you don't have focus_new enabled, then it's going to get
 476            raised to the top. Legacy begets legacy I guess?
 477         */
 478         if (!client_restore_session_stacking(self))
 479             client_raise(self);
 480     }
 481
 482     /* this has to happen before we try focus the window, but we want it to
 483        happen after the client's stacking has been determined or it looks bad
 484     */
 485     client_show(self);
 486
 487     /* use client_focus instead of client_activate cuz client_activate does
 488        stuff like switch desktops etc and I'm not interested in all that when
 489        a window maps since its not based on an action from the user like
 490        clicking a window to activate it. so keep the new window out of the way
 491        but do focus it. */
 492     if (activate) {
 493         gboolean stacked = client_restore_session_stacking(self);
 494         client_present(self, FALSE, !stacked);
 495     }
 496
 497     /* add to client list/map */
 498     client_list = g_list_append(client_list, self);
 499     g_hash_table_insert(window_map, &self->window, self);
 500
 501     /* this has to happen after we're in the client_list */
 502     if (STRUT_EXISTS(self->strut))
 503         screen_update_areas();
 504
 505     /* update the list hints */
 506     client_set_list();
 507
 508     ob_debug("Managed window 0x%lx (%s)\n", window, self->class);
 509 }
 510
 511 void client_unmanage_all()
 512 {
 513     while (client_list != NULL)
 514         client_unmanage(client_list->data);
 515 }
 516
 517 void client_unmanage(ObClient *self)
 518 {
 519     guint j;
 520     GSList *it;
 521
 522     ob_debug("Unmanaging window: %lx (%s) (%s)\n", self->window, self->class,
 523              self->title ? self->title : "");
 524
 525     g_assert(self != NULL);
 526
 527     /* we dont want events no more. do this before hiding the frame so we
 528        don't generate more events */
 529     XSelectInput(ob_display, self->window, NoEventMask);
 530
 531     frame_hide(self->frame);
 532     /* flush to send the hide to the server quickly */
 533     XFlush(ob_display);
 534
 535     /* ignore enter events from the unmap so it doesnt mess with the focus */
 536     event_ignore_queued_enters();
 537
 538     mouse_grab_for_client(self, FALSE);
 539
 540     /* remove the window from our save set */
 541     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 542
 543     /* update the focus lists */
 544     focus_order_remove(self);
 545     if (client_focused(self)) {
 546         /* don't leave an invalid focus_client */
 547         focus_client = NULL;
 548     }
 549
 550     client_list = g_list_remove(client_list, self);
 551     stacking_remove(self);
 552     g_hash_table_remove(window_map, &self->window);
 553
 554     /* once the client is out of the list, update the struts to remove its
 555        influence */
 556     if (STRUT_EXISTS(self->strut))
 557         screen_update_areas();
 558
 559     for (it = client_destructors; it; it = g_slist_next(it)) {
 560         ClientCallback *d = it->data;
 561         d->func(self, d->data);
 562     }
 563
 564     /* tell our parent(s) that we're gone */
 565     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 566         for (it = self->group->members; it; it = g_slist_next(it))
 567             if (it->data != self)
 568                 ((ObClient*)it->data)->transients =
 569                     g_slist_remove(((ObClient*)it->data)->transients, self);
 570     } else if (self->transient_for) {        /* transient of window */
 571         self->transient_for->transients =
 572             g_slist_remove(self->transient_for->transients, self);
 573     }
 574
 575     /* tell our transients that we're gone */
 576     for (it = self->transients; it; it = g_slist_next(it)) {
 577         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 578             ((ObClient*)it->data)->transient_for = NULL;
 579             client_calc_layer(it->data);
 580         }
 581     }
 582
 583     /* remove from its group */
 584     if (self->group) {
 585         group_remove(self->group, self);
 586         self->group = NULL;
 587     }
 588
 589     /* restore the window's original geometry so it is not lost */
 590     {
 591         Rect a = self->area;
 592
 593         if (self->fullscreen)
 594             a = self->pre_fullscreen_area;
 595         else if (self->max_horz || self->max_vert) {
 596             if (self->max_horz) {
 597                 a.x = self->pre_max_area.x;
 598                 a.width = self->pre_max_area.width;
 599             }
 600             if (self->max_vert) {
 601                 a.y = self->pre_max_area.y;
 602                 a.height = self->pre_max_area.height;
 603             }
 604         }
 605
 606         /* give the client its border back */
 607         client_toggle_border(self, TRUE);
 608
 609         self->fullscreen = self->max_horz = self->max_vert = FALSE;
 610         self->decorations = 0; /* unmanaged windows have no decor */
 611
 612         client_move_resize(self, a.x, a.y, a.width, a.height);
 613     }
 614
 615     /* reparent the window out of the frame, and free the frame */
 616     frame_release_client(self->frame, self);
 617     self->frame = NULL;
 618
 619     if (ob_state() != OB_STATE_EXITING) {
 620         /* these values should not be persisted across a window
 621            unmapping/mapping */
 622         PROP_ERASE(self->window, net_wm_desktop);
 623         PROP_ERASE(self->window, net_wm_state);
 624         PROP_ERASE(self->window, wm_state);
 625     } else {
 626         /* if we're left in an unmapped state, the client wont be mapped. this
 627            is bad, since we will no longer be managing the window on restart */
 628         XMapWindow(ob_display, self->window);
 629     }
 630
 631     ob_debug("Unmanaged window 0x%lx\n", self->window);
 632
 633     /* free all data allocated in the client struct */
 634     g_slist_free(self->transients);
 635     for (j = 0; j < self->nicons; ++j)
 636         g_free(self->icons[j].data);
 637     if (self->nicons > 0)
 638         g_free(self->icons);
 639     g_free(self->wm_command);
 640     g_free(self->title);
 641     g_free(self->icon_title);
 642     g_free(self->name);
 643     g_free(self->class);
 644     g_free(self->role);
 645     g_free(self->client_machine);
 646     g_free(self->sm_client_id);
 647     g_free(self);
 648
 649     /* update the list hints */
 650     client_set_list();
 651 }
 652
 653 static ObAppSettings *client_get_settings_state(ObClient *self)
 654 {
 655     ObAppSettings *settings = NULL;
 656     GSList *it;
 657
 658     for (it = config_per_app_settings; it; it = g_slist_next(it)) {
 659         ObAppSettings *app = it->data;
 660
 661         if ((app->name && !app->class && !strcmp(app->name, self->name))
 662             || (app->class && !app->name && !strcmp(app->class, self->class))
 663             || (app->class && app->name && !strcmp(app->class, self->class)
 664                 && !strcmp(app->name, self->name)))
 665         {
 666             /* Match if no role was specified in the per app setting, or if the
 667              * string matches the beginning of the role, since apps like to set
 668              * the role to things like browser-window-23c4b2f */
 669             if (!app->role
 670                 || !strncmp(app->role, self->role, strlen(app->role)))
 671             {
 672                 ob_debug("Window matching: %s\n", app->name);
 673                 /* use this one */
 674                 settings = app;
 675                 break;
 676             }
 677         }
 678     }
 679
 680     if (settings) {
 681         if (settings->shade != -1)
 682             self->shaded = !!settings->shade;
 683         if (settings->decor != -1)
 684             self->undecorated = !settings->decor;
 685         if (settings->iconic != -1)
 686             self->iconic = !!settings->iconic;
 687         if (settings->skip_pager != -1)
 688             self->skip_pager = !!settings->skip_pager;
 689         if (settings->skip_taskbar != -1)
 690             self->skip_taskbar = !!settings->skip_taskbar;
 691
 692         if (settings->max_vert != -1)
 693             self->max_vert = !!settings->max_vert;
 694         if (settings->max_horz != -1)
 695             self->max_horz = !!settings->max_horz;
 696
 697         if (settings->fullscreen != -1)
 698             self->fullscreen = !!settings->fullscreen;
 699
 700         if (settings->desktop) {
 701             if (settings->desktop == DESKTOP_ALL)
 702                 self->desktop = settings->desktop;
 703             else if (settings->desktop > 0 &&
 704                      settings->desktop <= screen_num_desktops)
 705                 self->desktop = settings->desktop - 1;
 706         }
 707
 708         if (settings->layer == -1) {
 709             self->below = TRUE;
 710             self->above = FALSE;
 711         }
 712         else if (settings->layer == 0) {
 713             self->below = FALSE;
 714             self->above = FALSE;
 715         }
 716         else if (settings->layer == 1) {
 717             self->below = FALSE;
 718             self->above = TRUE;
 719         }
 720     }
 721     return settings;
 722 }
 723
 724 static void client_restore_session_state(ObClient *self)
 725 {
 726     GList *it;
 727
 728     ob_debug_type(OB_DEBUG_SM,
 729                   "Restore session for client %s\n", self->title);
 730
 731     if (!(it = session_state_find(self))) {
 732         ob_debug_type(OB_DEBUG_SM,
 733                       "Session data not found for client %s\n", self->title);
 734         return;
 735     }
 736
 737     self->session = it->data;
 738
 739     ob_debug_type(OB_DEBUG_SM, "Session data loaded for client %s\n",
 740                   self->title);
 741
 742     RECT_SET_POINT(self->area, self->session->x, self->session->y);
 743     self->positioned = USPosition;
 744     if (self->session->w > 0)
 745         self->area.width = self->session->w;
 746     if (self->session->h > 0)
 747         self->area.height = self->session->h;
 748     XResizeWindow(ob_display, self->window,
 749                   self->area.width, self->area.height);
 750
 751     self->desktop = (self->session->desktop == DESKTOP_ALL ?
 752                      self->session->desktop :
 753                      MIN(screen_num_desktops - 1, self->session->desktop));
 754     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 755
 756     self->shaded = self->session->shaded;
 757     self->iconic = self->session->iconic;
 758     self->skip_pager = self->session->skip_pager;
 759     self->skip_taskbar = self->session->skip_taskbar;
 760     self->fullscreen = self->session->fullscreen;
 761     self->above = self->session->above;
 762     self->below = self->session->below;
 763     self->max_horz = self->session->max_horz;
 764     self->max_vert = self->session->max_vert;
 765     self->undecorated = self->session->undecorated;
 766 }
 767
 768 static gboolean client_restore_session_stacking(ObClient *self)
 769 {
 770     GList *it, *mypos;
 771
 772     if (!self->session) return FALSE;
 773
 774     mypos = g_list_find(session_saved_state, self->session);
 775     if (!mypos) return FALSE;
 776
 777     /* start above me and look for the first client */
 778     for (it = g_list_previous(mypos); it; it = g_list_previous(it)) {
 779         GList *cit;
 780
 781         for (cit = client_list; cit; cit = g_list_next(cit)) {
 782             ObClient *c = cit->data;
 783             /* found a client that was in the session, so go below it */
 784             if (c->session == it->data) {
 785                 stacking_below(CLIENT_AS_WINDOW(self),
 786                                CLIENT_AS_WINDOW(cit->data));
 787                 return TRUE;
 788             }
 789         }
 790     }
 791     return FALSE;
 792 }
 793
 794 void client_move_onscreen(ObClient *self, gboolean rude)
 795 {
 796     gint x = self->area.x;
 797     gint y = self->area.y;
 798     if (client_find_onscreen(self, &x, &y,
 799                              self->area.width,
 800                              self->area.height, rude)) {
 801         client_move(self, x, y);
 802     }
 803 }
 804
 805 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 806                               gboolean rude)
 807 {
 808     Rect *mon_a, *all_a;
 809     gint ox = *x, oy = *y;
 810     gboolean rudel = rude, ruder = rude, rudet = rude, rudeb = rude;
 811     gint fw, fh;
 812
 813     all_a = screen_area(self->desktop);
 814     mon_a = screen_area_monitor(self->desktop, client_monitor(self));
 815
 816     /* get where the frame would be */
 817     frame_client_gravity(self->frame, x, y, w, h);
 818
 819     /* get the requested size of the window with decorations */
 820     fw = self->frame->size.left + w + self->frame->size.right;
 821     fh = self->frame->size.top + h + self->frame->size.bottom;
 822
 823     /* This makes sure windows aren't entirely outside of the screen so you
 824        can't see them at all.
 825        It makes sure 10% of the window is on the screen at least. At don't let
 826        it move itself off the top of the screen, which would hide the titlebar
 827        on you. (The user can still do this if they want too, it's only limiting
 828        the application.
 829
 830        XXX watch for xinerama dead areas...
 831     */
 832     if (client_normal(self)) {
 833         if (!self->strut.right && *x + fw/10 >= all_a->x + all_a->width - 1)
 834             *x = all_a->x + all_a->width - fw/10;
 835         if (!self->strut.bottom && *y + fh/10 >= all_a->y + all_a->height - 1)
 836             *y = all_a->y + all_a->height - fh/10;
 837         if (!self->strut.left && *x + fw*9/10 - 1 < all_a->x)
 838             *x = all_a->x - fw*9/10;
 839         if (!self->strut.top && *y + fh*9/10 - 1 < all_a->y)
 840             *y = all_a->y - fw*9/10;
 841     }
 842
 843     /* If rudeness wasn't requested, then figure out of the client is currently
 844        entirely on the screen. If it is, and the position isn't changing by
 845        request, and it is enlarging, then be rude even though it wasn't
 846        requested */
 847     if (!rude) {
 848         Point oldtl, oldtr, oldbl, oldbr;
 849         Point newtl, newtr, newbl, newbr;
 850         gboolean stationary_l, stationary_r, stationary_t, stationary_b;
 851
 852         POINT_SET(oldtl, self->frame->area.x, self->frame->area.y);
 853         POINT_SET(oldbr, self->frame->area.x + self->frame->area.width - 1,
 854                   self->frame->area.y + self->frame->area.height - 1);
 855         POINT_SET(oldtr, oldbr.x, oldtl.y);
 856         POINT_SET(oldbl, oldtl.x, oldbr.y);
 857
 858         POINT_SET(newtl, *x, *y);
 859         POINT_SET(newbr, *x + fw - 1, *y + fh - 1);
 860         POINT_SET(newtr, newbr.x, newtl.y);
 861         POINT_SET(newbl, newtl.x, newbr.y);
 862
 863         /* is it moving or just resizing from some corner? */
 864         stationary_l = oldtl.x == oldtl.x;
 865         stationary_r = oldtr.x == oldtr.x;
 866         stationary_t = oldtl.y == oldtl.y;
 867         stationary_b = oldbl.y == oldbl.y;
 868
 869         /* if left edge is growing and didnt move right edge */
 870         if (stationary_r && newtl.x < oldtl.x)
 871             rudel = TRUE;
 872         /* if right edge is growing and didnt move left edge */
 873         if (stationary_l && newtr.x > oldtr.x)
 874             ruder = TRUE;
 875         /* if top edge is growing and didnt move bottom edge */
 876         if (stationary_b && newtl.y < oldtl.y)
 877             rudet = TRUE;
 878         /* if bottom edge is growing and didnt move top edge */
 879         if (stationary_t && newbl.y > oldbl.y)
 880             rudeb = TRUE;
 881     }
 882
 883     /* This here doesn't let windows even a pixel outside the struts/screen.
 884      * When called from client_manage, programs placing themselves are
 885      * forced completely onscreen, while things like
 886      * xterm -geometry resolution-width/2 will work fine. Trying to
 887      * place it completely offscreen will be handled in the above code.
 888      * Sorry for this confused comment, i am tired. */
 889     if (fw <= mon_a->width) {
 890         if (rudel && !self->strut.left && *x < mon_a->x) *x = mon_a->x;
 891         if (ruder && !self->strut.right && *x + fw > mon_a->x + mon_a->width)
 892             *x = mon_a->x + mon_a->width - fw;
 893     }
 894     if (fh <= mon_a->height) {
 895         if (rudet && !self->strut.top && *y < mon_a->y) *y = mon_a->y;
 896         if (rudeb && !self->strut.bottom && *y + fh > mon_a->y + mon_a->height)
 897             *y = mon_a->y + mon_a->height - fh;
 898     }
 899
 900     /* get where the client should be */
 901     frame_frame_gravity(self->frame, x, y, w, h);
 902
 903     return ox != *x || oy != *y;
 904 }
 905
 906 static void client_toggle_border(ObClient *self, gboolean show)
 907 {
 908     /* adjust our idea of where the client is, based on its border. When the
 909        border is removed, the client should now be considered to be in a
 910        different position.
 911        when re-adding the border to the client, the same operation needs to be
 912        reversed. */
 913     gint oldx = self->area.x, oldy = self->area.y;
 914     gint x = oldx, y = oldy;
 915     switch(self->gravity) {
 916     default:
 917     case NorthWestGravity:
 918     case WestGravity:
 919     case SouthWestGravity:
 920         break;
 921     case NorthEastGravity:
 922     case EastGravity:
 923     case SouthEastGravity:
 924         if (show) x -= self->border_width * 2;
 925         else      x += self->border_width * 2;
 926         break;
 927     case NorthGravity:
 928     case SouthGravity:
 929     case CenterGravity:
 930     case ForgetGravity:
 931     case StaticGravity:
 932         if (show) x -= self->border_width;
 933         else      x += self->border_width;
 934         break;
 935     }
 936     switch(self->gravity) {
 937     default:
 938     case NorthWestGravity:
 939     case NorthGravity:
 940     case NorthEastGravity:
 941         break;
 942     case SouthWestGravity:
 943     case SouthGravity:
 944     case SouthEastGravity:
 945         if (show) y -= self->border_width * 2;
 946         else      y += self->border_width * 2;
 947         break;
 948     case WestGravity:
 949     case EastGravity:
 950     case CenterGravity:
 951     case ForgetGravity:
 952     case StaticGravity:
 953         if (show) y -= self->border_width;
 954         else      y += self->border_width;
 955         break;
 956     }
 957     self->area.x = x;
 958     self->area.y = y;
 959
 960     if (show) {
 961         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 962
 963         /* set border_width to 0 because there is no border to add into
 964            calculations anymore */
 965         self->border_width = 0;
 966     } else
 967         XSetWindowBorderWidth(ob_display, self->window, 0);
 968 }
 969
 970
 971 static void client_get_all(ObClient *self)
 972 {
 973     client_get_area(self);
 974     client_get_mwm_hints(self);
 975
 976     /* The transient-ness of a window is used to pick a type, but the type can
 977        also affect transiency.
 978
 979        Dialogs are always made transients for their group if they have one.
 980
 981        I also have made non-application type windows be transients for their
 982        group (eg utility windows).
 983     */
 984     client_get_transientness(self);
 985     client_get_type(self);/* this can change the mwmhints for special cases */
 986     client_get_state(self);
 987
 988     client_update_wmhints(self);
 989     /* this may have already been called from client_update_wmhints */
 990     if (self->transient_for == NULL)
 991         client_update_transient_for(self);
 992     client_get_startup_id(self);
 993     client_get_desktop(self);/* uses transient data/group/startup id if a
 994                                 desktop is not specified */
 995     client_get_shaped(self);
 996
 997     client_get_layer(self); /* if layer hasn't been specified, get it from
 998                                other sources if possible */
 999
1000     {
1001         /* a couple type-based defaults for new windows */
1002
1003         /* this makes sure that these windows appear on all desktops */
1004         if (self->type == OB_CLIENT_TYPE_DESKTOP)
1005             self->desktop = DESKTOP_ALL;
1006     }
1007
1008     client_update_protocols(self);
1009
1010     client_get_gravity(self); /* get the attribute gravity */
1011     client_update_normal_hints(self); /* this may override the attribute
1012                                          gravity */
1013
1014     /* got the type, the mwmhints, the protocols, and the normal hints
1015        (min/max sizes), so we're ready to set up the decorations/functions */
1016     client_setup_decor_and_functions(self);
1017
1018 #ifdef SYNC
1019     client_update_sync_request_counter(self);
1020 #endif
1021
1022     /* get the session related properties */
1023     client_get_session_ids(self);
1024
1025     client_get_colormap(self);
1026     client_update_title(self);
1027     client_update_strut(self);
1028     client_update_icons(self);
1029     client_update_user_time(self);
1030     client_update_icon_geometry(self);
1031 }
1032
1033 static void client_get_startup_id(ObClient *self)
1034 {
1035     if (!(PROP_GETS(self->window, net_startup_id, utf8, &self->startup_id)))
1036         if (self->group)
1037             PROP_GETS(self->group->leader,
1038                       net_startup_id, utf8, &self->startup_id);
1039 }
1040
1041 static void client_get_area(ObClient *self)
1042 {
1043     XWindowAttributes wattrib;
1044     Status ret;
1045
1046     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1047     g_assert(ret != BadWindow);
1048
1049     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
1050     POINT_SET(self->root_pos, wattrib.x, wattrib.y);
1051     self->border_width = wattrib.border_width;
1052
1053     ob_debug("client area: %d %d  %d %d\n", wattrib.x, wattrib.y,
1054              wattrib.width, wattrib.height);
1055 }
1056
1057 static void client_get_desktop(ObClient *self)
1058 {
1059     guint32 d = screen_num_desktops; /* an always-invalid value */
1060
1061     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
1062         if (d >= screen_num_desktops && d != DESKTOP_ALL)
1063             self->desktop = screen_num_desktops - 1;
1064         else
1065             self->desktop = d;
1066     } else {
1067         gboolean trdesk = FALSE;
1068
1069         if (self->transient_for) {
1070             if (self->transient_for != OB_TRAN_GROUP) {
1071                 self->desktop = self->transient_for->desktop;
1072                 trdesk = TRUE;
1073             } else {
1074                 GSList *it;
1075
1076                 for (it = self->group->members; it; it = g_slist_next(it))
1077                     if (it->data != self &&
1078                         !((ObClient*)it->data)->transient_for) {
1079                         self->desktop = ((ObClient*)it->data)->desktop;
1080                         trdesk = TRUE;
1081                         break;
1082                     }
1083             }
1084         }
1085         if (!trdesk) {
1086             /* try get from the startup-notification protocol */
1087             if (sn_get_desktop(self->startup_id, &self->desktop)) {
1088                 if (self->desktop >= screen_num_desktops &&
1089                     self->desktop != DESKTOP_ALL)
1090                     self->desktop = screen_num_desktops - 1;
1091             } else
1092                 /* defaults to the current desktop */
1093                 self->desktop = screen_desktop;
1094         }
1095     }
1096 }
1097
1098 static void client_get_layer(ObClient *self)
1099 {
1100     if (!(self->above || self->below)) {
1101         if (self->group) {
1102             /* apply stuff from the group */
1103             GSList *it;
1104             gint layer = -2;
1105
1106             for (it = self->group->members; it; it = g_slist_next(it)) {
1107                 ObClient *c = it->data;
1108                 if (c != self && !client_search_transient(self, c) &&
1109                     client_normal(self) && client_normal(c))
1110                 {
1111                     layer = MAX(layer,
1112                                 (c->above ? 1 : (c->below ? -1 : 0)));
1113                 }
1114             }
1115             switch (layer) {
1116             case -1:
1117                 self->below = TRUE;
1118                 break;
1119             case -2:
1120             case 0:
1121                 break;
1122             case 1:
1123                 self->above = TRUE;
1124                 break;
1125             default:
1126                 g_assert_not_reached();
1127                 break;
1128             }
1129         }
1130     }
1131 }
1132
1133 static void client_get_state(ObClient *self)
1134 {
1135     guint32 *state;
1136     guint num;
1137
1138     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
1139         gulong i;
1140         for (i = 0; i < num; ++i) {
1141             if (state[i] == prop_atoms.net_wm_state_modal)
1142                 self->modal = TRUE;
1143             else if (state[i] == prop_atoms.net_wm_state_shaded)
1144                 self->shaded = TRUE;
1145             else if (state[i] == prop_atoms.net_wm_state_hidden)
1146                 self->iconic = TRUE;
1147             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
1148                 self->skip_taskbar = TRUE;
1149             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
1150                 self->skip_pager = TRUE;
1151             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
1152                 self->fullscreen = TRUE;
1153             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
1154                 self->max_vert = TRUE;
1155             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
1156                 self->max_horz = TRUE;
1157             else if (state[i] == prop_atoms.net_wm_state_above)
1158                 self->above = TRUE;
1159             else if (state[i] == prop_atoms.net_wm_state_below)
1160                 self->below = TRUE;
1161             else if (state[i] == prop_atoms.net_wm_state_demands_attention)
1162                 self->demands_attention = TRUE;
1163             else if (state[i] == prop_atoms.openbox_wm_state_undecorated)
1164                 self->undecorated = TRUE;
1165         }
1166
1167         g_free(state);
1168     }
1169 }
1170
1171 static void client_get_shaped(ObClient *self)
1172 {
1173     self->shaped = FALSE;
1174 #ifdef   SHAPE
1175     if (extensions_shape) {
1176         gint foo;
1177         guint ufoo;
1178         gint s;
1179
1180         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
1181
1182         XShapeQueryExtents(ob_display, self->window, &s, &foo,
1183                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
1184                            &ufoo);
1185         self->shaped = (s != 0);
1186     }
1187 #endif
1188 }
1189
1190 void client_get_transientness(ObClient *self)
1191 {
1192     Window t;
1193     if (XGetTransientForHint(ob_display, self->window, &t))
1194         self->transient = TRUE;
1195 }
1196
1197 void client_update_transient_for(ObClient *self)
1198 {
1199     Window t = None;
1200     ObClient *target = NULL;
1201
1202     if (XGetTransientForHint(ob_display, self->window, &t)) {
1203         self->transient = TRUE;
1204         if (t != self->window) { /* cant be transient to itself! */
1205             target = g_hash_table_lookup(window_map, &t);
1206             /* if this happens then we need to check for it*/
1207             g_assert(target != self);
1208             if (target && !WINDOW_IS_CLIENT(target)) {
1209                 /* this can happen when a dialog is a child of
1210                    a dockapp, for example */
1211                 target = NULL;
1212             }
1213
1214             /* THIS IS SO ANNOYING ! ! ! ! Let me explain.... have a seat..
1215
1216                Setting the transient_for to Root is actually illegal, however
1217                applications from time have done this to specify transient for
1218                their group.
1219
1220                Now you can do that by being a TYPE_DIALOG and not setting
1221                the transient_for hint at all on your window. But people still
1222                use Root, and Kwin is very strange in this regard.
1223
1224                KWin 3.0 will not consider windows with transient_for set to
1225                Root as transient for their group *UNLESS* they are also modal.
1226                In that case, it will make them transient for the group. This
1227                leads to all sorts of weird behavior from KDE apps which are
1228                only tested in KWin. I'd like to follow their behavior just to
1229                make this work right with KDE stuff, but that seems wrong.
1230             */
1231             if (!target && self->group) {
1232                 /* not transient to a client, see if it is transient for a
1233                    group */
1234                 if (t == RootWindow(ob_display, ob_screen)) {
1235                     /* window is a transient for its group! */
1236                     target = OB_TRAN_GROUP;
1237                 }
1238             }
1239         }
1240     } else if (self->type == OB_CLIENT_TYPE_DIALOG ||
1241                self->type == OB_CLIENT_TYPE_TOOLBAR ||
1242                self->type == OB_CLIENT_TYPE_MENU ||
1243                self->type == OB_CLIENT_TYPE_UTILITY)
1244     {
1245         self->transient = TRUE;
1246         if (self->group)
1247             target = OB_TRAN_GROUP;
1248     } else
1249         self->transient = FALSE;
1250
1251     client_update_transient_tree(self, self->group, self->group,
1252                                  self->transient_for, target);
1253     self->transient_for = target;
1254
1255 }
1256
1257 static void client_update_transient_tree(ObClient *self,
1258                                          ObGroup *oldgroup, ObGroup *newgroup,
1259                                          ObClient* oldparent,
1260                                          ObClient *newparent)
1261 {
1262     GSList *it, *next;
1263     ObClient *c;
1264
1265     /* No change has occured */
1266     if (oldgroup == newgroup && oldparent == newparent) return;
1267
1268     /** Remove the client from the transient tree wherever it has changed **/
1269
1270     /* If the window is becoming a direct transient for a window in its group
1271        then that window can't be a child of this window anymore */
1272     if (oldparent != newparent &&
1273         newparent != NULL && newparent != OB_TRAN_GROUP &&
1274         newparent->transient_for == OB_TRAN_GROUP &&
1275         newgroup != NULL && newgroup == oldgroup)
1276     {
1277         self->transients = g_slist_remove(self->transients, newparent);
1278     }
1279
1280
1281     /* If the group changed, or if we are just becoming transient for the
1282        group, then we need to remove any old group transient windows
1283        from our children. But if we were already transient for the group, then
1284        other group transients are not our children. */
1285     if ((oldgroup != newgroup ||
1286          (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
1287         oldgroup != NULL && oldparent != OB_TRAN_GROUP)
1288     {
1289         for (it = self->transients; it; it = next) {
1290             next = g_slist_next(it);
1291             c = it->data;
1292             if (c->group == oldgroup)
1293                 self->transients = g_slist_delete_link(self->transients, it);
1294         }
1295     }
1296
1297     /* If we used to be transient for a group and now we are not, or we're
1298        transient for a new group, then we need to remove ourselves from all
1299        our ex-parents */
1300     if (oldparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1301                                        oldparent != newparent))
1302     {
1303         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1304             c = it->data;
1305             if (c != self && (!c->transient_for ||
1306                               c->transient_for != OB_TRAN_GROUP))
1307                 c->transients = g_slist_remove(c->transients, self);
1308         }
1309     }
1310     /* If we used to be transient for a single window and we are no longer
1311        transient for it, then we need to remove ourself from its children */
1312     else if (oldparent != NULL && oldparent != OB_TRAN_GROUP &&
1313              oldparent != newparent)
1314         oldparent->transients = g_slist_remove(oldparent->transients, self);
1315
1316
1317     /** Re-add the client to the transient tree wherever it has changed **/
1318
1319     /* If we're now transient for a group and we weren't transient for it
1320        before then we need to add ourselves to all our new parents */
1321     if (newparent == OB_TRAN_GROUP && (oldgroup != newgroup ||
1322                                        oldparent != newparent))
1323     {
1324         for (it = oldgroup->members; it; it = g_slist_next(it)) {
1325             c = it->data;
1326             if (c != self && (!c->transient_for ||
1327                               c->transient_for != OB_TRAN_GROUP))
1328                 c->transients = g_slist_prepend(c->transients, self);
1329         }
1330     }
1331     /* If we are now transient for a single window which we weren't before,
1332        we need to add ourselves to its children
1333
1334        WARNING: Cyclical transient ness is possible if two windows are
1335        transient for eachother.
1336     */
1337     else if (newparent != NULL && newparent != OB_TRAN_GROUP &&
1338              newparent != oldparent &&
1339              /* don't make ourself its child if it is already our child */
1340              !client_is_direct_child(self, newparent))
1341         newparent->transients = g_slist_prepend(newparent->transients, self);
1342
1343     /* If the group changed then we need to add any new group transient
1344        windows to our children. But if we're transient for the group, then
1345        other group transients are not our children.
1346
1347        WARNING: Cyclical transient-ness is possible. For e.g. if:
1348        A is transient for the group
1349        B is a member of the group and transient for A
1350     */
1351     if (oldgroup != newgroup && newgroup != NULL &&
1352         newparent != OB_TRAN_GROUP)
1353     {
1354         for (it = newgroup->members; it; it = g_slist_next(it)) {
1355             c = it->data;
1356             if (c != self && c->transient_for == OB_TRAN_GROUP &&
1357                 /* Don't make it our child if it is already our parent */
1358                 !client_is_direct_child(c, self))
1359             {
1360                 self->transients = g_slist_prepend(self->transients, c);
1361             }
1362         }
1363     }
1364 }
1365
1366 static void client_get_mwm_hints(ObClient *self)
1367 {
1368     guint num;
1369     guint32 *hints;
1370
1371     self->mwmhints.flags = 0; /* default to none */
1372
1373     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
1374                     &hints, &num)) {
1375         if (num >= OB_MWM_ELEMENTS) {
1376             self->mwmhints.flags = hints[0];
1377             self->mwmhints.functions = hints[1];
1378             self->mwmhints.decorations = hints[2];
1379         }
1380         g_free(hints);
1381     }
1382 }
1383
1384 void client_get_type(ObClient *self)
1385 {
1386     guint num, i;
1387     guint32 *val;
1388
1389     self->type = -1;
1390
1391     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
1392         /* use the first value that we know about in the array */
1393         for (i = 0; i < num; ++i) {
1394             if (val[i] == prop_atoms.net_wm_window_type_desktop)
1395                 self->type = OB_CLIENT_TYPE_DESKTOP;
1396             else if (val[i] == prop_atoms.net_wm_window_type_dock)
1397                 self->type = OB_CLIENT_TYPE_DOCK;
1398             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
1399                 self->type = OB_CLIENT_TYPE_TOOLBAR;
1400             else if (val[i] == prop_atoms.net_wm_window_type_menu)
1401                 self->type = OB_CLIENT_TYPE_MENU;
1402             else if (val[i] == prop_atoms.net_wm_window_type_utility)
1403                 self->type = OB_CLIENT_TYPE_UTILITY;
1404             else if (val[i] == prop_atoms.net_wm_window_type_splash)
1405                 self->type = OB_CLIENT_TYPE_SPLASH;
1406             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
1407                 self->type = OB_CLIENT_TYPE_DIALOG;
1408             else if (val[i] == prop_atoms.net_wm_window_type_normal)
1409                 self->type = OB_CLIENT_TYPE_NORMAL;
1410             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
1411                 /* prevent this window from getting any decor or
1412                    functionality */
1413                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
1414                                          OB_MWM_FLAG_DECORATIONS);
1415                 self->mwmhints.decorations = 0;
1416                 self->mwmhints.functions = 0;
1417             }
1418             if (self->type != (ObClientType) -1)
1419                 break; /* grab the first legit type */
1420         }
1421         g_free(val);
1422     }
1423
1424     if (self->type == (ObClientType) -1) {
1425         /*the window type hint was not set, which means we either classify
1426           ourself as a normal window or a dialog, depending on if we are a
1427           transient. */
1428         if (self->transient)
1429             self->type = OB_CLIENT_TYPE_DIALOG;
1430         else
1431             self->type = OB_CLIENT_TYPE_NORMAL;
1432     }
1433 }
1434
1435 void client_update_protocols(ObClient *self)
1436 {
1437     guint32 *proto;
1438     guint num_return, i;
1439
1440     self->focus_notify = FALSE;
1441     self->delete_window = FALSE;
1442
1443     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
1444         for (i = 0; i < num_return; ++i) {
1445             if (proto[i] == prop_atoms.wm_delete_window)
1446                 /* this means we can request the window to close */
1447                 self->delete_window = TRUE;
1448             else if (proto[i] == prop_atoms.wm_take_focus)
1449                 /* if this protocol is requested, then the window will be
1450                    notified whenever we want it to receive focus */
1451                 self->focus_notify = TRUE;
1452 #ifdef SYNC
1453             else if (proto[i] == prop_atoms.net_wm_sync_request)
1454                 /* if this protocol is requested, then resizing the
1455                    window will be synchronized between the frame and the
1456                    client */
1457                 self->sync_request = TRUE;
1458 #endif
1459         }
1460         g_free(proto);
1461     }
1462 }
1463
1464 #ifdef SYNC
1465 void client_update_sync_request_counter(ObClient *self)
1466 {
1467     guint32 i;
1468
1469     if (PROP_GET32(self->window, net_wm_sync_request_counter, cardinal, &i)) {
1470         self->sync_counter = i;
1471     } else
1472         self->sync_counter = None;
1473 }
1474 #endif
1475
1476 static void client_get_gravity(ObClient *self)
1477 {
1478     XWindowAttributes wattrib;
1479     Status ret;
1480
1481     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
1482     g_assert(ret != BadWindow);
1483     self->gravity = wattrib.win_gravity;
1484 }
1485
1486 void client_get_colormap(ObClient *self)
1487 {
1488     XWindowAttributes wa;
1489
1490     if (XGetWindowAttributes(ob_display, self->window, &wa))
1491         client_update_colormap(self, wa.colormap);
1492 }
1493
1494 void client_update_colormap(ObClient *self, Colormap colormap)
1495 {
1496     self->colormap = colormap;
1497 }
1498
1499 void client_update_normal_hints(ObClient *self)
1500 {
1501     XSizeHints size;
1502     glong ret;
1503     gint oldgravity = self->gravity;
1504
1505     /* defaults */
1506     self->min_ratio = 0.0f;
1507     self->max_ratio = 0.0f;
1508     SIZE_SET(self->size_inc, 1, 1);
1509     SIZE_SET(self->base_size, 0, 0);
1510     SIZE_SET(self->min_size, 0, 0);
1511     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
1512
1513     /* get the hints from the window */
1514     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
1515         /* normal windows can't request placement! har har
1516         if (!client_normal(self))
1517         */
1518         self->positioned = (size.flags & (PPosition|USPosition));
1519
1520         if (size.flags & PWinGravity) {
1521             self->gravity = size.win_gravity;
1522
1523             /* if the client has a frame, i.e. has already been mapped and
1524                is changing its gravity */
1525             if (self->frame && self->gravity != oldgravity) {
1526                 /* move our idea of the client's position based on its new
1527                    gravity */
1528                 client_convert_gravity(self, oldgravity,
1529                                        &self->area.x, &self->area.y,
1530                                        self->area.width, self->area.height);
1531             }
1532         }
1533
1534         if (size.flags & PAspect) {
1535             if (size.min_aspect.y)
1536                 self->min_ratio =
1537                     (gfloat) size.min_aspect.x / size.min_aspect.y;
1538             if (size.max_aspect.y)
1539                 self->max_ratio =
1540                     (gfloat) size.max_aspect.x / size.max_aspect.y;
1541         }
1542
1543         if (size.flags & PMinSize)
1544             SIZE_SET(self->min_size, size.min_width, size.min_height);
1545
1546         if (size.flags & PMaxSize)
1547             SIZE_SET(self->max_size, size.max_width, size.max_height);
1548
1549         if (size.flags & PBaseSize)
1550             SIZE_SET(self->base_size, size.base_width, size.base_height);
1551
1552         if (size.flags & PResizeInc && size.width_inc && size.height_inc)
1553             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
1554     }
1555 }
1556
1557 void client_setup_decor_and_functions(ObClient *self)
1558 {
1559     /* start with everything (cept fullscreen) */
1560     self->decorations =
1561         (OB_FRAME_DECOR_TITLEBAR |
1562          OB_FRAME_DECOR_HANDLE |
1563          OB_FRAME_DECOR_GRIPS |
1564          OB_FRAME_DECOR_BORDER |
1565          OB_FRAME_DECOR_ICON |
1566          OB_FRAME_DECOR_ALLDESKTOPS |
1567          OB_FRAME_DECOR_ICONIFY |
1568          OB_FRAME_DECOR_MAXIMIZE |
1569          OB_FRAME_DECOR_SHADE |
1570          OB_FRAME_DECOR_CLOSE);
1571     self->functions =
1572         (OB_CLIENT_FUNC_RESIZE |
1573          OB_CLIENT_FUNC_MOVE |
1574          OB_CLIENT_FUNC_ICONIFY |
1575          OB_CLIENT_FUNC_MAXIMIZE |
1576          OB_CLIENT_FUNC_SHADE |
1577          OB_CLIENT_FUNC_CLOSE);
1578
1579     if (!(self->min_size.width < self->max_size.width ||
1580           self->min_size.height < self->max_size.height))
1581         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1582
1583     switch (self->type) {
1584     case OB_CLIENT_TYPE_NORMAL:
1585         /* normal windows retain all of the possible decorations and
1586            functionality, and are the only windows that you can fullscreen */
1587         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
1588         break;
1589
1590     case OB_CLIENT_TYPE_DIALOG:
1591     case OB_CLIENT_TYPE_UTILITY:
1592         /* these windows cannot be maximized */
1593         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1594         break;
1595
1596     case OB_CLIENT_TYPE_MENU:
1597     case OB_CLIENT_TYPE_TOOLBAR:
1598         /* these windows get less functionality */
1599         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
1600         break;
1601
1602     case OB_CLIENT_TYPE_DESKTOP:
1603     case OB_CLIENT_TYPE_DOCK:
1604     case OB_CLIENT_TYPE_SPLASH:
1605         /* none of these windows are manipulated by the window manager */
1606         self->decorations = 0;
1607         self->functions = 0;
1608         break;
1609     }
1610
1611     /* Mwm Hints are applied subtractively to what has already been chosen for
1612        decor and functionality */
1613     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
1614         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
1615             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
1616                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
1617             {
1618                 /* if the mwm hints request no handle or title, then all
1619                    decorations are disabled, but keep the border if that's
1620                    specified */
1621                 if (self->mwmhints.decorations & OB_MWM_DECOR_BORDER)
1622                     self->decorations = OB_FRAME_DECOR_BORDER;
1623                 else
1624                     self->decorations = 0;
1625             }
1626         }
1627     }
1628
1629     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1630         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1631             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1632                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1633             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1634                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1635             /* dont let mwm hints kill any buttons
1636                if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1637                self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1638                if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1639                self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1640             */
1641             /* dont let mwm hints kill the close button
1642                if (! (self->mwmhints.functions & MwmFunc_Close))
1643                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1644         }
1645     }
1646
1647     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1648         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1649     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1650         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1651     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1652         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1653
1654     /* can't maximize without moving/resizing */
1655     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1656           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1657           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1658         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1659         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1660     }
1661
1662     /* kill the handle on fully maxed windows */
1663     if (self->max_vert && self->max_horz)
1664         self->decorations &= ~OB_FRAME_DECOR_HANDLE;
1665
1666     /* finally, the user can have requested no decorations, which overrides
1667        everything (but doesnt give it a border if it doesnt have one) */
1668     if (self->undecorated) {
1669         if (config_theme_keepborder)
1670             self->decorations &= OB_FRAME_DECOR_BORDER;
1671         else
1672             self->decorations = 0;
1673     }
1674
1675     /* if we don't have a titlebar, then we cannot shade! */
1676     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1677         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1678
1679     /* now we need to check against rules for the client's current state */
1680     if (self->fullscreen) {
1681         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1682                             OB_CLIENT_FUNC_FULLSCREEN |
1683                             OB_CLIENT_FUNC_ICONIFY);
1684         self->decorations = 0;
1685     }
1686
1687     client_change_allowed_actions(self);
1688
1689     if (self->frame) {
1690         /* adjust the client's decorations, etc. */
1691         client_reconfigure(self);
1692     }
1693 }
1694
1695 static void client_change_allowed_actions(ObClient *self)
1696 {
1697     gulong actions[9];
1698     gint num = 0;
1699
1700     /* desktop windows are kept on all desktops */
1701     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1702         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1703
1704     if (self->functions & OB_CLIENT_FUNC_SHADE)
1705         actions[num++] = prop_atoms.net_wm_action_shade;
1706     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1707         actions[num++] = prop_atoms.net_wm_action_close;
1708     if (self->functions & OB_CLIENT_FUNC_MOVE)
1709         actions[num++] = prop_atoms.net_wm_action_move;
1710     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1711         actions[num++] = prop_atoms.net_wm_action_minimize;
1712     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1713         actions[num++] = prop_atoms.net_wm_action_resize;
1714     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1715         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1716     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1717         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1718         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1719     }
1720
1721     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1722
1723     /* make sure the window isn't breaking any rules now */
1724
1725     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1726         if (self->frame) client_shade(self, FALSE);
1727         else self->shaded = FALSE;
1728     }
1729     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1730         if (self->frame) client_iconify(self, FALSE, TRUE);
1731         else self->iconic = FALSE;
1732     }
1733     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1734         if (self->frame) client_fullscreen(self, FALSE);
1735         else self->fullscreen = FALSE;
1736     }
1737     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1738                                                          self->max_vert)) {
1739         if (self->frame) client_maximize(self, FALSE, 0);
1740         else self->max_vert = self->max_horz = FALSE;
1741     }
1742 }
1743
1744 void client_reconfigure(ObClient *self)
1745 {
1746     /* by making this pass FALSE for user, we avoid the emacs event storm where
1747        every configurenotify causes an update in its normal hints, i think this
1748        is generally what we want anyways... */
1749     client_configure(self, self->area.x, self->area.y,
1750                      self->area.width, self->area.height, FALSE, TRUE);
1751 }
1752
1753 void client_update_wmhints(ObClient *self)
1754 {
1755     XWMHints *hints;
1756
1757     /* assume a window takes input if it doesnt specify */
1758     self->can_focus = TRUE;
1759
1760     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1761         gboolean ur;
1762
1763         if (hints->flags & InputHint)
1764             self->can_focus = hints->input;
1765
1766         /* only do this when first managing the window *AND* when we aren't
1767            starting up! */
1768         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1769             if (hints->flags & StateHint)
1770                 self->iconic = hints->initial_state == IconicState;
1771
1772         ur = self->urgent;
1773         self->urgent = (hints->flags & XUrgencyHint);
1774         if (self->urgent && !ur)
1775             client_hilite(self, TRUE);
1776         else if (!self->urgent && ur && self->demands_attention)
1777             client_hilite(self, FALSE);
1778
1779         if (!(hints->flags & WindowGroupHint))
1780             hints->window_group = None;
1781
1782         /* did the group state change? */
1783         if (hints->window_group !=
1784             (self->group ? self->group->leader : None))
1785         {
1786             ObGroup *oldgroup = self->group;
1787
1788             /* remove from the old group if there was one */
1789             if (self->group != NULL) {
1790                 group_remove(self->group, self);
1791                 self->group = NULL;
1792             }
1793
1794             /* add ourself to the group if we have one */
1795             if (hints->window_group != None) {
1796                 self->group = group_add(hints->window_group, self);
1797             }
1798
1799             /* Put ourselves into the new group's transient tree, and remove
1800                ourselves from the old group's */
1801             client_update_transient_tree(self, oldgroup, self->group,
1802                                          self->transient_for,
1803                                          self->transient_for);
1804
1805             /* Lastly, being in a group, or not, can change if the window is
1806                transient for anything.
1807
1808                The logic for this is:
1809                self->transient = TRUE always if the window wants to be
1810                transient for something, even if transient_for was NULL because
1811                it wasn't in a group before.
1812
1813                If transient_for was NULL and oldgroup was NULL we can assume
1814                that when we add the new group, it will become transient for
1815                something.
1816
1817                If transient_for was OB_TRAN_GROUP, then it must have already
1818                had a group. If it is getting a new group, the above call to
1819                client_update_transient_tree has already taken care of
1820                everything ! If it is losing all group status then it will
1821                no longer be transient for anything and that needs to be
1822                updated.
1823             */
1824             if (self->transient &&
1825                 ((self->transient_for == NULL && oldgroup == NULL) ||
1826                  (self->transient_for == OB_TRAN_GROUP && !self->group)))
1827                 client_update_transient_for(self);
1828         }
1829
1830         /* the WM_HINTS can contain an icon */
1831         client_update_icons(self);
1832
1833         XFree(hints);
1834     }
1835 }
1836
1837 void client_update_title(ObClient *self)
1838 {
1839     gchar *data = NULL;
1840     gchar *visible = NULL;
1841
1842     g_free(self->title);
1843
1844     /* try netwm */
1845     if (!PROP_GETS(self->window, net_wm_name, utf8, &data)) {
1846         /* try old x stuff */
1847         if (!(PROP_GETS(self->window, wm_name, locale, &data)
1848               || PROP_GETS(self->window, wm_name, utf8, &data))) {
1849             if (self->transient) {
1850                 /*
1851                   GNOME alert windows are not given titles:
1852                   http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows-alert.html
1853                 */
1854                 data = g_strdup("");
1855             } else
1856                 data = g_strdup("Unnamed Window");
1857         }
1858     }
1859
1860     if (self->client_machine) {
1861         visible = g_strdup_printf("%s (%s)", data, self->client_machine);
1862         g_free(data);
1863     } else
1864         visible = data;
1865
1866     PROP_SETS(self->window, net_wm_visible_name, visible);
1867     self->title = visible;
1868
1869     if (self->frame)
1870         frame_adjust_title(self->frame);
1871
1872     /* update the icon title */
1873     data = NULL;
1874     g_free(self->icon_title);
1875
1876     /* try netwm */
1877     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1878         /* try old x stuff */
1879         if (!(PROP_GETS(self->window, wm_icon_name, locale, &data) ||
1880               PROP_GETS(self->window, wm_icon_name, utf8, &data)))
1881             data = g_strdup(self->title);
1882
1883     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1884     self->icon_title = data;
1885 }
1886
1887 void client_update_strut(ObClient *self)
1888 {
1889     guint num;
1890     guint32 *data;
1891     gboolean got = FALSE;
1892     StrutPartial strut;
1893
1894     if (PROP_GETA32(self->window, net_wm_strut_partial, cardinal,
1895                     &data, &num)) {
1896         if (num == 12) {
1897             got = TRUE;
1898             STRUT_PARTIAL_SET(strut,
1899                               data[0], data[2], data[1], data[3],
1900                               data[4], data[5], data[8], data[9],
1901                               data[6], data[7], data[10], data[11]);
1902         }
1903         g_free(data);
1904     }
1905
1906     if (!got &&
1907         PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1908         if (num == 4) {
1909             const Rect *a;
1910
1911             got = TRUE;
1912
1913             /* use the screen's width/height */
1914             a = screen_physical_area();
1915
1916             STRUT_PARTIAL_SET(strut,
1917                               data[0], data[2], data[1], data[3],
1918                               a->y, a->y + a->height - 1,
1919                               a->x, a->x + a->width - 1,
1920                               a->y, a->y + a->height - 1,
1921                               a->x, a->x + a->width - 1);
1922         }
1923         g_free(data);
1924     }
1925
1926     if (!got)
1927         STRUT_PARTIAL_SET(strut, 0, 0, 0, 0,
1928                           0, 0, 0, 0, 0, 0, 0, 0);
1929
1930     if (!STRUT_EQUAL(strut, self->strut)) {
1931         self->strut = strut;
1932
1933         /* updating here is pointless while we're being mapped cuz we're not in
1934            the client list yet */
1935         if (self->frame)
1936             screen_update_areas();
1937     }
1938 }
1939
1940 void client_update_icons(ObClient *self)
1941 {
1942     guint num;
1943     guint32 *data;
1944     guint w, h, i, j;
1945
1946     for (i = 0; i < self->nicons; ++i)
1947         g_free(self->icons[i].data);
1948     if (self->nicons > 0)
1949         g_free(self->icons);
1950     self->nicons = 0;
1951
1952     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1953         /* figure out how many valid icons are in here */
1954         i = 0;
1955         while (num - i > 2) {
1956             w = data[i++];
1957             h = data[i++];
1958             i += w * h;
1959             if (i > num || w*h == 0) break;
1960             ++self->nicons;
1961         }
1962
1963         self->icons = g_new(ObClientIcon, self->nicons);
1964
1965         /* store the icons */
1966         i = 0;
1967         for (j = 0; j < self->nicons; ++j) {
1968             guint x, y, t;
1969
1970             w = self->icons[j].width = data[i++];
1971             h = self->icons[j].height = data[i++];
1972
1973             if (w*h == 0) continue;
1974
1975             self->icons[j].data = g_new(RrPixel32, w * h);
1976             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1977                 if (x >= w) {
1978                     x = 0;
1979                     ++y;
1980                 }
1981                 self->icons[j].data[t] =
1982                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1983                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1984                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1985                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1986             }
1987             g_assert(i <= num);
1988         }
1989
1990         g_free(data);
1991     } else {
1992         XWMHints *hints;
1993
1994         if ((hints = XGetWMHints(ob_display, self->window))) {
1995             if (hints->flags & IconPixmapHint) {
1996                 self->nicons++;
1997                 self->icons = g_new(ObClientIcon, self->nicons);
1998                 xerror_set_ignore(TRUE);
1999                 if (!RrPixmapToRGBA(ob_rr_inst,
2000                                     hints->icon_pixmap,
2001                                     (hints->flags & IconMaskHint ?
2002                                      hints->icon_mask : None),
2003                                     &self->icons[self->nicons-1].width,
2004                                     &self->icons[self->nicons-1].height,
2005                                     &self->icons[self->nicons-1].data)){
2006                     g_free(&self->icons[self->nicons-1]);
2007                     self->nicons--;
2008                 }
2009                 xerror_set_ignore(FALSE);
2010             }
2011             XFree(hints);
2012         }
2013     }
2014
2015     /* set the default icon onto the window
2016        in theory, this could be a race, but if a window doesn't set an icon
2017        or removes it entirely, it's not very likely it is going to set one
2018        right away afterwards */
2019     if (self->nicons == 0) {
2020         RrPixel32 *icon = ob_rr_theme->def_win_icon;
2021         gulong *data;
2022
2023         data = g_new(gulong, 48*48+2);
2024         data[0] = data[1] =  48;
2025         for (i = 0; i < 48*48; ++i)
2026             data[i+2] = (((icon[i] >> RrDefaultAlphaOffset) & 0xff) << 24) +
2027                 (((icon[i] >> RrDefaultRedOffset) & 0xff) << 16) +
2028                 (((icon[i] >> RrDefaultGreenOffset) & 0xff) << 8) +
2029                 (((icon[i] >> RrDefaultBlueOffset) & 0xff) << 0);
2030         PROP_SETA32(self->window, net_wm_icon, cardinal, data, 48*48+2);
2031         g_free(data);
2032     } else if (self->frame)
2033         /* don't draw the icon empty if we're just setting one now anyways,
2034            we'll get the property change any second */
2035         frame_adjust_icon(self->frame);
2036 }
2037
2038 void client_update_user_time(ObClient *self)
2039 {
2040     guint32 time;
2041
2042     if (PROP_GET32(self->window, net_wm_user_time, cardinal, &time)) {
2043         /* we set this every time, not just when it grows, because in practice
2044            sometimes time goes backwards! (ntpdate.. yay....) so.. if it goes
2045            backward we don't want all windows to stop focusing. we'll just
2046            assume noone is setting times older than the last one, cuz that
2047            would be pretty stupid anyways
2048         */
2049         self->user_time = time;
2050
2051         /*
2052         ob_debug("window %s user time %u\n", self->title, time);
2053         */
2054     }
2055 }
2056
2057 void client_update_icon_geometry(ObClient *self)
2058 {
2059     guint num;
2060     guint32 *data;
2061
2062     RECT_SET(self->icon_geometry, 0, 0, 0, 0);
2063
2064     if (PROP_GETA32(self->window, net_wm_icon_geometry, cardinal, &data, &num)
2065         && num == 4)
2066     {
2067         /* don't let them set it with an area < 0 */
2068         RECT_SET(self->icon_geometry, data[0], data[1],
2069                  MAX(data[2],0), MAX(data[3],0));
2070     }
2071 }
2072
2073 static void client_get_session_ids(ObClient *self)
2074 {
2075     guint32 leader;
2076     gboolean got;
2077     gchar *s;
2078     gchar **ss;
2079
2080     if (!PROP_GET32(self->window, wm_client_leader, window, &leader))
2081         leader = None;
2082
2083     /* get the SM_CLIENT_ID */
2084     got = FALSE;
2085     if (leader)
2086         got = PROP_GETS(leader, sm_client_id, locale, &self->sm_client_id);
2087     if (!got)
2088         PROP_GETS(self->window, sm_client_id, locale, &self->sm_client_id);
2089
2090     /* get the WM_CLASS (name and class). make them "" if they are not
2091        provided */
2092     got = FALSE;
2093     if (leader)
2094         got = PROP_GETSS(leader, wm_class, locale, &ss);
2095     if (!got)
2096         got = PROP_GETSS(self->window, wm_class, locale, &ss);
2097
2098     if (got) {
2099         if (ss[0]) {
2100             self->name = g_strdup(ss[0]);
2101             if (ss[1])
2102                 self->class = g_strdup(ss[1]);
2103         }
2104         g_strfreev(ss);
2105     }
2106
2107     if (self->name == NULL) self->name = g_strdup("");
2108     if (self->class == NULL) self->class = g_strdup("");
2109
2110     /* get the WM_WINDOW_ROLE. make it "" if it is not provided */
2111     got = FALSE;
2112     if (leader)
2113         got = PROP_GETS(leader, wm_window_role, locale, &s);
2114     if (!got)
2115         got = PROP_GETS(self->window, wm_window_role, locale, &s);
2116
2117     if (got)
2118         self->role = s;
2119     else
2120         self->role = g_strdup("");
2121
2122     /* get the WM_COMMAND */
2123     got = FALSE;
2124
2125     if (leader)
2126         got = PROP_GETSS(leader, wm_command, locale, &ss);
2127     if (!got)
2128         got = PROP_GETSS(self->window, wm_command, locale, &ss);
2129
2130     if (got) {
2131         /* merge/mash them all together */
2132         gchar *merge = NULL;
2133         gint i;
2134
2135         for (i = 0; ss[i]; ++i) {
2136             gchar *tmp = merge;
2137             if (merge)
2138                 merge = g_strconcat(merge, ss[i], NULL);
2139             else
2140                 merge = g_strconcat(ss[i], NULL);
2141             g_free(tmp);
2142         }
2143         g_strfreev(ss);
2144
2145         self->wm_command = merge;
2146     }
2147
2148     /* get the WM_CLIENT_MACHINE */
2149     got = FALSE;
2150     if (leader)
2151         got = PROP_GETS(leader, wm_client_machine, locale, &s);
2152     if (!got)
2153         got = PROP_GETS(self->window, wm_client_machine, locale, &s);
2154
2155     if (got) {
2156         gchar localhost[128];
2157
2158         gethostname(localhost, 127);
2159         localhost[127] = '\0';
2160         if (strcmp(localhost, s) != 0)
2161             self->client_machine = s;
2162     }
2163 }
2164
2165 static void client_change_wm_state(ObClient *self)
2166 {
2167     gulong state[2];
2168     glong old;
2169
2170     old = self->wmstate;
2171
2172     if (self->shaded || self->iconic ||
2173         (self->desktop != DESKTOP_ALL && self->desktop != screen_desktop))
2174     {
2175         self->wmstate = IconicState;
2176     } else
2177         self->wmstate = NormalState;
2178
2179     if (old != self->wmstate) {
2180         PROP_MSG(self->window, kde_wm_change_state,
2181                  self->wmstate, 1, 0, 0);
2182
2183         state[0] = self->wmstate;
2184         state[1] = None;
2185         PROP_SETA32(self->window, wm_state, wm_state, state, 2);
2186     }
2187 }
2188
2189 static void client_change_state(ObClient *self)
2190 {
2191     gulong netstate[11];
2192     guint num;
2193
2194     num = 0;
2195     if (self->modal)
2196         netstate[num++] = prop_atoms.net_wm_state_modal;
2197     if (self->shaded)
2198         netstate[num++] = prop_atoms.net_wm_state_shaded;
2199     if (self->iconic)
2200         netstate[num++] = prop_atoms.net_wm_state_hidden;
2201     if (self->skip_taskbar)
2202         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
2203     if (self->skip_pager)
2204         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
2205     if (self->fullscreen)
2206         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
2207     if (self->max_vert)
2208         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
2209     if (self->max_horz)
2210         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
2211     if (self->above)
2212         netstate[num++] = prop_atoms.net_wm_state_above;
2213     if (self->below)
2214         netstate[num++] = prop_atoms.net_wm_state_below;
2215     if (self->demands_attention)
2216         netstate[num++] = prop_atoms.net_wm_state_demands_attention;
2217     if (self->undecorated)
2218         netstate[num++] = prop_atoms.openbox_wm_state_undecorated;
2219     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
2220
2221     if (self->frame)
2222         frame_adjust_state(self->frame);
2223 }
2224
2225 ObClient *client_search_focus_tree(ObClient *self)
2226 {
2227     GSList *it;
2228     ObClient *ret;
2229
2230     for (it = self->transients; it; it = g_slist_next(it)) {
2231         if (client_focused(it->data)) return it->data;
2232         if ((ret = client_search_focus_tree(it->data))) return ret;
2233     }
2234     return NULL;
2235 }
2236
2237 ObClient *client_search_focus_tree_full(ObClient *self)
2238 {
2239     if (self->transient_for) {
2240         if (self->transient_for != OB_TRAN_GROUP) {
2241             return client_search_focus_tree_full(self->transient_for);
2242         } else {
2243             GSList *it;
2244             gboolean recursed = FALSE;
2245
2246             for (it = self->group->members; it; it = g_slist_next(it))
2247                 if (!((ObClient*)it->data)->transient_for) {
2248                     ObClient *c;
2249                     if ((c = client_search_focus_tree_full(it->data)))
2250                         return c;
2251                     recursed = TRUE;
2252                 }
2253             if (recursed)
2254                 return NULL;
2255         }
2256     }
2257
2258     /* this function checks the whole tree, the client_search_focus_tree~
2259        does not, so we need to check this window */
2260     if (client_focused(self))
2261         return self;
2262     return client_search_focus_tree(self);
2263 }
2264
2265 static ObStackingLayer calc_layer(ObClient *self)
2266 {
2267     ObStackingLayer l;
2268
2269     if (self->type == OB_CLIENT_TYPE_DESKTOP)
2270         l = OB_STACKING_LAYER_DESKTOP;
2271     else if (self->type == OB_CLIENT_TYPE_DOCK) {
2272         if (self->below) l = OB_STACKING_LAYER_NORMAL;
2273         else l = OB_STACKING_LAYER_ABOVE;
2274     }
2275     else if ((self->fullscreen ||
2276               /* no decorations and fills the monitor = oldskool fullscreen */
2277               (self->frame != NULL &&
2278                (self->frame->size.right == 0 && self->frame->size.left == 0 &&
2279                 self->frame->size.bottom == 0 && self->frame->size.top == 0 &&
2280                 RECT_EQUAL(self->area,
2281                            *screen_physical_area_monitor
2282                            (client_monitor(self)))))) &&
2283              (client_focused(self) || client_search_focus_tree(self)))
2284         l = OB_STACKING_LAYER_FULLSCREEN;
2285     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
2286     else if (self->below) l = OB_STACKING_LAYER_BELOW;
2287     else l = OB_STACKING_LAYER_NORMAL;
2288
2289     return l;
2290 }
2291
2292 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
2293                                         ObStackingLayer min, gboolean raised)
2294 {
2295     ObStackingLayer old, own;
2296     GSList *it;
2297
2298     old = self->layer;
2299     own = calc_layer(self);
2300     self->layer = MAX(own, min);
2301
2302     for (it = self->transients; it; it = g_slist_next(it))
2303         client_calc_layer_recursive(it->data, orig,
2304                                     self->layer,
2305                                     raised ? raised : self->layer != old);
2306
2307     if (!raised && self->layer != old)
2308         if (orig->frame) { /* only restack if the original window is managed */
2309             stacking_remove(CLIENT_AS_WINDOW(self));
2310             stacking_add(CLIENT_AS_WINDOW(self));
2311         }
2312 }
2313
2314 void client_calc_layer(ObClient *self)
2315 {
2316     ObClient *orig;
2317     GSList *it;
2318
2319     orig = self;
2320
2321     /* transients take on the layer of their parents */
2322     it = client_search_all_top_parents(self);
2323
2324     for (; it; it = g_slist_next(it))
2325         client_calc_layer_recursive(it->data, orig, 0, FALSE);
2326 }
2327
2328 gboolean client_should_show(ObClient *self)
2329 {
2330     if (self->iconic)
2331         return FALSE;
2332     if (client_normal(self) && screen_showing_desktop)
2333         return FALSE;
2334     if (self->desktop == screen_desktop || self->desktop == DESKTOP_ALL)
2335         return TRUE;
2336
2337     return FALSE;
2338 }
2339
2340 void client_show(ObClient *self)
2341 {
2342
2343     if (client_should_show(self)) {
2344         frame_show(self->frame);
2345     }
2346
2347     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2348        needs to be in IconicState. This includes when it is on another
2349        desktop!
2350     */
2351     client_change_wm_state(self);
2352 }
2353
2354 void client_hide(ObClient *self)
2355 {
2356     if (!client_should_show(self)) {
2357         frame_hide(self->frame);
2358     }
2359
2360     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2361        needs to be in IconicState. This includes when it is on another
2362        desktop!
2363     */
2364     client_change_wm_state(self);
2365 }
2366
2367 void client_showhide(ObClient *self)
2368 {
2369
2370     if (client_should_show(self)) {
2371         frame_show(self->frame);
2372     }
2373     else {
2374         frame_hide(self->frame);
2375     }
2376
2377     /* According to the ICCCM (sec 4.1.3.1) when a window is not visible, it
2378        needs to be in IconicState. This includes when it is on another
2379        desktop!
2380     */
2381     client_change_wm_state(self);
2382 }
2383
2384 gboolean client_normal(ObClient *self) {
2385     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
2386               self->type == OB_CLIENT_TYPE_DOCK ||
2387               self->type == OB_CLIENT_TYPE_SPLASH);
2388 }
2389
2390 gboolean client_application(ObClient *self)
2391 {
2392     return (self->type == OB_CLIENT_TYPE_NORMAL ||
2393             self->type == OB_CLIENT_TYPE_DIALOG);
2394 }
2395
2396 static void client_apply_startup_state(ObClient *self, gint x, gint y)
2397 {
2398     gboolean pos = FALSE; /* has the window's position been configured? */
2399     gint ox, oy;
2400
2401     /* save the position, and set self->area for these to use */
2402     ox = self->area.x;
2403     oy = self->area.y;
2404     self->area.x = x;
2405     self->area.y = y;
2406
2407     /* set the desktop hint, to make sure that it always exists */
2408     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
2409
2410     /* these are in a carefully crafted order.. */
2411
2412     if (self->iconic) {
2413         self->iconic = FALSE;
2414         client_iconify(self, TRUE, FALSE);
2415     }
2416     if (self->fullscreen) {
2417         self->fullscreen = FALSE;
2418         client_fullscreen(self, TRUE);
2419         pos = TRUE;
2420     }
2421     if (self->undecorated) {
2422         self->undecorated = FALSE;
2423         client_set_undecorated(self, TRUE);
2424     }
2425     if (self->shaded) {
2426         self->shaded = FALSE;
2427         client_shade(self, TRUE);
2428     }
2429     if (self->demands_attention) {
2430         self->demands_attention = FALSE;
2431         client_hilite(self, TRUE);
2432     }
2433
2434     if (self->max_vert && self->max_horz) {
2435         self->max_vert = self->max_horz = FALSE;
2436         client_maximize(self, TRUE, 0);
2437         pos = TRUE;
2438     } else if (self->max_vert) {
2439         self->max_vert = FALSE;
2440         client_maximize(self, TRUE, 2);
2441         pos = TRUE;
2442     } else if (self->max_horz) {
2443         self->max_horz = FALSE;
2444         client_maximize(self, TRUE, 1);
2445         pos = TRUE;
2446     }
2447
2448     /* if the client didn't get positioned yet, then do so now
2449        call client_move even if the window is not being moved anywhere, because
2450        when we reparent it and decorate it, it is getting moved and we need to
2451        be telling it so with a ConfigureNotify event.
2452     */
2453     if (!pos) {
2454         /* use the saved position */
2455         self->area.x = ox;
2456         self->area.y = oy;
2457         client_move(self, x, y);
2458     }
2459
2460     /* nothing to do for the other states:
2461        skip_taskbar
2462        skip_pager
2463        modal
2464        above
2465        below
2466     */
2467 }
2468
2469 void client_convert_gravity(ObClient *self, gint gravity, gint *x, gint *y,
2470                             gint w, gint h)
2471 {
2472     gint oldg = self->gravity;
2473
2474     /* get the frame's position from the requested stuff */
2475     self->gravity = gravity;
2476     frame_client_gravity(self->frame, x, y, w, h);
2477     self->gravity = oldg;
2478
2479     /* get the client's position in its true gravity from that */
2480     frame_frame_gravity(self->frame, x, y, w, h);
2481 }
2482
2483 void client_try_configure(ObClient *self, gint *x, gint *y, gint *w, gint *h,
2484                           gint *logicalw, gint *logicalh,
2485                           gboolean user)
2486 {
2487     Rect desired_area = {*x, *y, *w, *h};
2488
2489     /* make the frame recalculate its dimentions n shit without changing
2490        anything visible for real, this way the constraints below can work with
2491        the updated frame dimensions. */
2492     frame_adjust_area(self->frame, TRUE, TRUE, TRUE);
2493
2494     /* work within the prefered sizes given by the window */
2495     if (!(*w == self->area.width && *h == self->area.height)) {
2496         gint basew, baseh, minw, minh;
2497
2498         /* base size is substituted with min size if not specified */
2499         if (self->base_size.width || self->base_size.height) {
2500             basew = self->base_size.width;
2501             baseh = self->base_size.height;
2502         } else {
2503             basew = self->min_size.width;
2504             baseh = self->min_size.height;
2505         }
2506         /* min size is substituted with base size if not specified */
2507         if (self->min_size.width || self->min_size.height) {
2508             minw = self->min_size.width;
2509             minh = self->min_size.height;
2510         } else {
2511             minw = self->base_size.width;
2512             minh = self->base_size.height;
2513         }
2514
2515         /* if this is a user-requested resize, then check against min/max
2516            sizes */
2517
2518         /* smaller than min size or bigger than max size? */
2519         if (*w > self->max_size.width) *w = self->max_size.width;
2520         if (*w < minw) *w = minw;
2521         if (*h > self->max_size.height) *h = self->max_size.height;
2522         if (*h < minh) *h = minh;
2523
2524         *w -= basew;
2525         *h -= baseh;
2526
2527         /* keep to the increments */
2528         *w /= self->size_inc.width;
2529         *h /= self->size_inc.height;
2530
2531         /* you cannot resize to nothing */
2532         if (basew + *w < 1) *w = 1 - basew;
2533         if (baseh + *h < 1) *h = 1 - baseh;
2534
2535         /* save the logical size */
2536         *logicalw = self->size_inc.width > 1 ? *w : *w + basew;
2537         *logicalh = self->size_inc.height > 1 ? *h : *h + baseh;
2538
2539         *w *= self->size_inc.width;
2540         *h *= self->size_inc.height;
2541
2542         *w += basew;
2543         *h += baseh;
2544
2545         /* adjust the height to match the width for the aspect ratios.
2546            for this, min size is not substituted for base size ever. */
2547         *w -= self->base_size.width;
2548         *h -= self->base_size.height;
2549
2550         if (!self->fullscreen) {
2551             if (self->min_ratio)
2552                 if (*h * self->min_ratio > *w) {
2553                     *h = (gint)(*w / self->min_ratio);
2554
2555                     /* you cannot resize to nothing */
2556                     if (*h < 1) {
2557                         *h = 1;
2558                         *w = (gint)(*h * self->min_ratio);
2559                     }
2560                 }
2561             if (self->max_ratio)
2562                 if (*h * self->max_ratio < *w) {
2563                     *h = (gint)(*w / self->max_ratio);
2564
2565                     /* you cannot resize to nothing */
2566                     if (*h < 1) {
2567                         *h = 1;
2568                         *w = (gint)(*h * self->min_ratio);
2569                     }
2570                 }
2571         }
2572
2573         *w += self->base_size.width;
2574         *h += self->base_size.height;
2575     }
2576
2577     /* gets the frame's position */
2578     frame_client_gravity(self->frame, x, y, *w, *h);
2579
2580     /* these positions are frame positions, not client positions */
2581
2582     /* set the size and position if fullscreen */
2583     if (self->fullscreen) {
2584         Rect *a;
2585         guint i;
2586
2587         i = screen_find_monitor(&desired_area);
2588         a = screen_physical_area_monitor(i);
2589
2590         *x = a->x;
2591         *y = a->y;
2592         *w = a->width;
2593         *h = a->height;
2594
2595         user = FALSE; /* ignore if the client can't be moved/resized when it
2596                          is entering fullscreen */
2597     } else if (self->max_horz || self->max_vert) {
2598         Rect *a;
2599         guint i;
2600
2601         i = screen_find_monitor(&desired_area);
2602         a = screen_area_monitor(self->desktop, i);
2603
2604         /* set the size and position if maximized */
2605         if (self->max_horz) {
2606             *x = a->x;
2607             *w = a->width - self->frame->size.left - self->frame->size.right;
2608         }
2609         if (self->max_vert) {
2610             *y = a->y;
2611             *h = a->height - self->frame->size.top - self->frame->size.bottom;
2612         }
2613
2614         /* maximizing is not allowed if the user can't move+resize the window
2615          */
2616     }
2617
2618     /* gets the client's position */
2619     frame_frame_gravity(self->frame, x, y, *w, *h);
2620
2621     /* these override the above states! if you cant move you can't move! */
2622     if (user) {
2623         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
2624             *x = self->area.x;
2625             *y = self->area.y;
2626         }
2627         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
2628             *w = self->area.width;
2629             *h = self->area.height;
2630         }
2631     }
2632
2633     g_assert(*w > 0);
2634     g_assert(*h > 0);
2635 }
2636
2637
2638 void client_configure_full(ObClient *self, gint x, gint y, gint w, gint h,
2639                            gboolean user, gboolean final,
2640                            gboolean force_reply)
2641 {
2642     gint oldw, oldh, oldrx, oldry;
2643     gboolean send_resize_client;
2644     gboolean moved = FALSE, resized = FALSE, rootmoved = FALSE;
2645     guint fdecor = self->frame->decorations;
2646     gboolean fhorz = self->frame->max_horz;
2647     gint logicalw, logicalh;
2648
2649     /* find the new x, y, width, and height (and logical size) */
2650     client_try_configure(self, &x, &y, &w, &h, &logicalw, &logicalh, user);
2651
2652     /* set the logical size if things changed */
2653     if (!(w == self->area.width && h == self->area.height))
2654         SIZE_SET(self->logical_size, logicalw, logicalh);
2655
2656     /* figure out if we moved or resized or what */
2657     moved = x != self->area.x || y != self->area.y;
2658     resized = w != self->area.width || h != self->area.height;
2659
2660     oldw = self->area.width;
2661     oldh = self->area.height;
2662     RECT_SET(self->area, x, y, w, h);
2663
2664     /* for app-requested resizes, always resize if 'resized' is true.
2665        for user-requested ones, only resize if final is true, or when
2666        resizing in redraw mode */
2667     send_resize_client = ((!user && resized) ||
2668                           (user && (final ||
2669                                     (resized && config_resize_redraw))));
2670
2671     /* if the client is enlarging, then resize the client before the frame */
2672     if (send_resize_client && user && (w > oldw || h > oldh)) {
2673         XResizeWindow(ob_display, self->window, MAX(w, oldw), MAX(h, oldh));
2674         /* resize the plate to show the client padding color underneath */
2675         frame_adjust_client_area(self->frame);
2676     }
2677
2678     /* find the frame's dimensions and move/resize it */
2679     if (self->decorations != fdecor || self->max_horz != fhorz)
2680         moved = resized = TRUE;
2681     if (moved || resized)
2682         frame_adjust_area(self->frame, moved, resized, FALSE);
2683
2684     /* find the client's position relative to the root window */
2685     oldrx = self->root_pos.x;
2686     oldry = self->root_pos.y;
2687     rootmoved = (oldrx != (signed)(self->frame->area.x +
2688                                    self->frame->size.left -
2689                                    self->border_width) ||
2690                  oldry != (signed)(self->frame->area.y +
2691                                    self->frame->size.top -
2692                                    self->border_width));
2693
2694     if (force_reply || ((!user || (user && final)) && rootmoved))
2695     {
2696         XEvent event;
2697
2698         POINT_SET(self->root_pos,
2699                   self->frame->area.x + self->frame->size.left -
2700                   self->border_width,
2701                   self->frame->area.y + self->frame->size.top -
2702                   self->border_width);
2703
2704         event.type = ConfigureNotify;
2705         event.xconfigure.display = ob_display;
2706         event.xconfigure.event = self->window;
2707         event.xconfigure.window = self->window;
2708
2709         /* root window real coords */
2710         event.xconfigure.x = self->root_pos.x;
2711         event.xconfigure.y = self->root_pos.y;
2712         event.xconfigure.width = w;
2713         event.xconfigure.height = h;
2714         event.xconfigure.border_width = 0;
2715         event.xconfigure.above = self->frame->plate;
2716         event.xconfigure.override_redirect = FALSE;
2717         XSendEvent(event.xconfigure.display, event.xconfigure.window,
2718                    FALSE, StructureNotifyMask, &event);
2719     }
2720
2721     /* if the client is shrinking, then resize the frame before the client */
2722     if (send_resize_client && (!user || (w <= oldw || h <= oldh))) {
2723         /* resize the plate to show the client padding color underneath */
2724         frame_adjust_client_area(self->frame);
2725
2726         XResizeWindow(ob_display, self->window, w, h);
2727     }
2728
2729     XFlush(ob_display);
2730 }
2731
2732 void client_fullscreen(ObClient *self, gboolean fs)
2733 {
2734     gint x, y, w, h;
2735
2736     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
2737         self->fullscreen == fs) return;                   /* already done */
2738
2739     self->fullscreen = fs;
2740     client_change_state(self); /* change the state hints on the client */
2741     client_calc_layer(self);   /* and adjust out layer/stacking */
2742
2743     if (fs) {
2744         self->pre_fullscreen_area = self->area;
2745         /* if the window is maximized, its area isn't all that meaningful.
2746            save it's premax area instead. */
2747         if (self->max_horz) {
2748             self->pre_fullscreen_area.x = self->pre_max_area.x;
2749             self->pre_fullscreen_area.width = self->pre_max_area.width;
2750         }
2751         if (self->max_vert) {
2752             self->pre_fullscreen_area.y = self->pre_max_area.y;
2753             self->pre_fullscreen_area.height = self->pre_max_area.height;
2754         }
2755
2756         /* these are not actually used cuz client_configure will set them
2757            as appropriate when the window is fullscreened */
2758         x = y = w = h = 0;
2759     } else {
2760         Rect *a;
2761
2762         if (self->pre_fullscreen_area.width > 0 &&
2763             self->pre_fullscreen_area.height > 0)
2764         {
2765             x = self->pre_fullscreen_area.x;
2766             y = self->pre_fullscreen_area.y;
2767             w = self->pre_fullscreen_area.width;
2768             h = self->pre_fullscreen_area.height;
2769             RECT_SET(self->pre_fullscreen_area, 0, 0, 0, 0);
2770         } else {
2771             /* pick some fallbacks... */
2772             a = screen_area_monitor(self->desktop, 0);
2773             x = a->x + a->width / 4;
2774             y = a->y + a->height / 4;
2775             w = a->width / 2;
2776             h = a->height / 2;
2777         }
2778     }
2779
2780     client_setup_decor_and_functions(self);
2781
2782     client_move_resize(self, x, y, w, h);
2783
2784     /* try focus us when we go into fullscreen mode */
2785     client_focus(self);
2786 }
2787
2788 static void client_iconify_recursive(ObClient *self,
2789                                      gboolean iconic, gboolean curdesk)
2790 {
2791     GSList *it;
2792     gboolean changed = FALSE;
2793
2794
2795     if (self->iconic != iconic) {
2796         ob_debug("%sconifying window: 0x%lx\n", (iconic ? "I" : "Uni"),
2797                  self->window);
2798
2799         if (iconic) {
2800             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
2801                 self->iconic = iconic;
2802
2803                 /* update the focus lists.. iconic windows go to the bottom of
2804                    the list, put the new iconic window at the 'top of the
2805                    bottom'. */
2806                 focus_order_to_top(self);
2807
2808                 changed = TRUE;
2809             }
2810         } else {
2811             self->iconic = iconic;
2812
2813             if (curdesk && self->desktop != screen_desktop &&
2814                 self->desktop != DESKTOP_ALL)
2815                 client_set_desktop(self, screen_desktop, FALSE);
2816
2817             /* this puts it after the current focused window */
2818             focus_order_remove(self);
2819             focus_order_add_new(self);
2820
2821             changed = TRUE;
2822         }
2823     }
2824
2825     if (changed) {
2826         client_change_state(self);
2827         if (ob_state() != OB_STATE_STARTING && config_animate_iconify)
2828             frame_begin_iconify_animation(self->frame, iconic);
2829         /* do this after starting the animation so it doesn't flash */
2830         client_showhide(self);
2831     }
2832
2833     /* iconify all direct transients, and deiconify all transients
2834        (non-direct too) */
2835     for (it = self->transients; it; it = g_slist_next(it))
2836         if (it->data != self)
2837             if (client_is_direct_child(self, it->data) || !iconic)
2838                 client_iconify_recursive(it->data, iconic, curdesk);
2839 }
2840
2841 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
2842 {
2843     /* move up the transient chain as far as possible first */
2844     self = client_search_top_normal_parent(self);
2845     client_iconify_recursive(self, iconic, curdesk);
2846 }
2847
2848 void client_maximize(ObClient *self, gboolean max, gint dir)
2849 {
2850     gint x, y, w, h;
2851
2852     g_assert(dir == 0 || dir == 1 || dir == 2);
2853     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
2854
2855     /* check if already done */
2856     if (max) {
2857         if (dir == 0 && self->max_horz && self->max_vert) return;
2858         if (dir == 1 && self->max_horz) return;
2859         if (dir == 2 && self->max_vert) return;
2860     } else {
2861         if (dir == 0 && !self->max_horz && !self->max_vert) return;
2862         if (dir == 1 && !self->max_horz) return;
2863         if (dir == 2 && !self->max_vert) return;
2864     }
2865
2866     /* we just tell it to configure in the same place and client_configure
2867        worries about filling the screen with the window */
2868     x = self->area.x;
2869     y = self->area.y;
2870     w = self->area.width;
2871     h = self->area.height;
2872
2873     if (max) {
2874         if ((dir == 0 || dir == 1) && !self->max_horz) { /* horz */
2875             RECT_SET(self->pre_max_area,
2876                      self->area.x, self->pre_max_area.y,
2877                      self->area.width, self->pre_max_area.height);
2878         }
2879         if ((dir == 0 || dir == 2) && !self->max_vert) { /* vert */
2880             RECT_SET(self->pre_max_area,
2881                      self->pre_max_area.x, self->area.y,
2882                      self->pre_max_area.width, self->area.height);
2883         }
2884     } else {
2885         Rect *a;
2886
2887         a = screen_area_monitor(self->desktop, 0);
2888         if ((dir == 0 || dir == 1) && self->max_horz) { /* horz */
2889             if (self->pre_max_area.width > 0) {
2890                 x = self->pre_max_area.x;
2891                 w = self->pre_max_area.width;
2892
2893                 RECT_SET(self->pre_max_area, 0, self->pre_max_area.y,
2894                          0, self->pre_max_area.height);
2895             } else {
2896                 /* pick some fallbacks... */
2897                 x = a->x + a->width / 4;
2898                 w = a->width / 2;
2899             }
2900         }
2901         if ((dir == 0 || dir == 2) && self->max_vert) { /* vert */
2902             if (self->pre_max_area.height > 0) {
2903                 y = self->pre_max_area.y;
2904                 h = self->pre_max_area.height;
2905
2906                 RECT_SET(self->pre_max_area, self->pre_max_area.x, 0,
2907                          self->pre_max_area.width, 0);
2908             } else {
2909                 /* pick some fallbacks... */
2910                 y = a->y + a->height / 4;
2911                 h = a->height / 2;
2912             }
2913         }
2914     }
2915
2916     if (dir == 0 || dir == 1) /* horz */
2917         self->max_horz = max;
2918     if (dir == 0 || dir == 2) /* vert */
2919         self->max_vert = max;
2920
2921     client_change_state(self); /* change the state hints on the client */
2922
2923     client_setup_decor_and_functions(self);
2924
2925     client_move_resize(self, x, y, w, h);
2926 }
2927
2928 void client_shade(ObClient *self, gboolean shade)
2929 {
2930     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2931          shade) ||                         /* can't shade */
2932         self->shaded == shade) return;     /* already done */
2933
2934     self->shaded = shade;
2935     client_change_state(self);
2936     client_change_wm_state(self); /* the window is being hidden/shown */
2937     /* resize the frame to just the titlebar */
2938     frame_adjust_area(self->frame, FALSE, FALSE, FALSE);
2939 }
2940
2941 void client_close(ObClient *self)
2942 {
2943     XEvent ce;
2944
2945     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2946
2947     /* in the case that the client provides no means to requesting that it
2948        close, we just kill it */
2949     if (!self->delete_window)
2950         client_kill(self);
2951
2952     /*
2953       XXX: itd be cool to do timeouts and shit here for killing the client's
2954       process off
2955       like... if the window is around after 5 seconds, then the close button
2956       turns a nice red, and if this function is called again, the client is
2957       explicitly killed.
2958     */
2959
2960     ce.xclient.type = ClientMessage;
2961     ce.xclient.message_type =  prop_atoms.wm_protocols;
2962     ce.xclient.display = ob_display;
2963     ce.xclient.window = self->window;
2964     ce.xclient.format = 32;
2965     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2966     ce.xclient.data.l[1] = event_curtime;
2967     ce.xclient.data.l[2] = 0l;
2968     ce.xclient.data.l[3] = 0l;
2969     ce.xclient.data.l[4] = 0l;
2970     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2971 }
2972
2973 void client_kill(ObClient *self)
2974 {
2975     XKillClient(ob_display, self->window);
2976 }
2977
2978 void client_hilite(ObClient *self, gboolean hilite)
2979 {
2980     if (self->demands_attention == hilite)
2981         return; /* no change */
2982
2983     /* don't allow focused windows to hilite */
2984     self->demands_attention = hilite && !client_focused(self);
2985     if (self->frame != NULL) { /* if we're mapping, just set the state */
2986         if (self->demands_attention)
2987             frame_flash_start(self->frame);
2988         else
2989             frame_flash_stop(self->frame);
2990         client_change_state(self);
2991     }
2992 }
2993
2994 void client_set_desktop_recursive(ObClient *self,
2995                                   guint target, gboolean donthide)
2996 {
2997     guint old;
2998     GSList *it;
2999
3000     if (target != self->desktop) {
3001
3002         ob_debug("Setting desktop %u\n", target+1);
3003
3004         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
3005
3006         /* remove from the old desktop(s) */
3007         focus_order_remove(self);
3008
3009         old = self->desktop;
3010         self->desktop = target;
3011         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
3012         /* the frame can display the current desktop state */
3013         frame_adjust_state(self->frame);
3014         /* 'move' the window to the new desktop */
3015         if (!donthide)
3016             client_showhide(self);
3017         /* raise if it was not already on the desktop */
3018         if (old != DESKTOP_ALL)
3019             client_raise(self);
3020         if (STRUT_EXISTS(self->strut))
3021             screen_update_areas();
3022
3023         /* add to the new desktop(s) */
3024         if (config_focus_new)
3025             focus_order_to_top(self);
3026         else
3027             focus_order_to_bottom(self);
3028
3029         /* call the notifies */
3030         for (it = client_desktop_notifies; it; it = g_slist_next(it)) {
3031             ClientCallback *d = it->data;
3032             d->func(self, d->data);
3033         }
3034     }
3035
3036     /* move all transients */
3037     for (it = self->transients; it; it = g_slist_next(it))
3038         if (it->data != self)
3039             if (client_is_direct_child(self, it->data))
3040                 client_set_desktop_recursive(it->data, target, donthide);
3041 }
3042
3043 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
3044 {
3045     self = client_search_top_normal_parent(self);
3046     client_set_desktop_recursive(self, target, donthide);
3047 }
3048
3049 gboolean client_is_direct_child(ObClient *parent, ObClient *child)
3050 {
3051     while (child != parent &&
3052            child->transient_for && child->transient_for != OB_TRAN_GROUP)
3053         child = child->transient_for;
3054     return child == parent;
3055 }
3056
3057 ObClient *client_search_modal_child(ObClient *self)
3058 {
3059     GSList *it;
3060     ObClient *ret;
3061
3062     for (it = self->transients; it; it = g_slist_next(it)) {
3063         ObClient *c = it->data;
3064         if ((ret = client_search_modal_child(c))) return ret;
3065         if (c->modal) return c;
3066     }
3067     return NULL;
3068 }
3069
3070 gboolean client_validate(ObClient *self)
3071 {
3072     XEvent e;
3073
3074     XSync(ob_display, FALSE); /* get all events on the server */
3075
3076     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
3077         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
3078         XPutBackEvent(ob_display, &e);
3079         return FALSE;
3080     }
3081
3082     return TRUE;
3083 }
3084
3085 void client_set_wm_state(ObClient *self, glong state)
3086 {
3087     if (state == self->wmstate) return; /* no change */
3088
3089     switch (state) {
3090     case IconicState:
3091         client_iconify(self, TRUE, TRUE);
3092         break;
3093     case NormalState:
3094         client_iconify(self, FALSE, TRUE);
3095         break;
3096     }
3097 }
3098
3099 void client_set_state(ObClient *self, Atom action, glong data1, glong data2)
3100 {
3101     gboolean shaded = self->shaded;
3102     gboolean fullscreen = self->fullscreen;
3103     gboolean undecorated = self->undecorated;
3104     gboolean max_horz = self->max_horz;
3105     gboolean max_vert = self->max_vert;
3106     gboolean modal = self->modal;
3107     gboolean iconic = self->iconic;
3108     gboolean demands_attention = self->demands_attention;
3109     gint i;
3110
3111     if (!(action == prop_atoms.net_wm_state_add ||
3112           action == prop_atoms.net_wm_state_remove ||
3113           action == prop_atoms.net_wm_state_toggle))
3114         /* an invalid action was passed to the client message, ignore it */
3115         return;
3116
3117     for (i = 0; i < 2; ++i) {
3118         Atom state = i == 0 ? data1 : data2;
3119
3120         if (!state) continue;
3121
3122         /* if toggling, then pick whether we're adding or removing */
3123         if (action == prop_atoms.net_wm_state_toggle) {
3124             if (state == prop_atoms.net_wm_state_modal)
3125                 action = modal ? prop_atoms.net_wm_state_remove :
3126                     prop_atoms.net_wm_state_add;
3127             else if (state == prop_atoms.net_wm_state_maximized_vert)
3128                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
3129                     prop_atoms.net_wm_state_add;
3130             else if (state == prop_atoms.net_wm_state_maximized_horz)
3131                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
3132                     prop_atoms.net_wm_state_add;
3133             else if (state == prop_atoms.net_wm_state_shaded)
3134                 action = shaded ? prop_atoms.net_wm_state_remove :
3135                     prop_atoms.net_wm_state_add;
3136             else if (state == prop_atoms.net_wm_state_skip_taskbar)
3137                 action = self->skip_taskbar ?
3138                     prop_atoms.net_wm_state_remove :
3139                     prop_atoms.net_wm_state_add;
3140             else if (state == prop_atoms.net_wm_state_skip_pager)
3141                 action = self->skip_pager ?
3142                     prop_atoms.net_wm_state_remove :
3143                     prop_atoms.net_wm_state_add;
3144             else if (state == prop_atoms.net_wm_state_hidden)
3145                 action = self->iconic ?
3146                     prop_atoms.net_wm_state_remove :
3147                     prop_atoms.net_wm_state_add;
3148             else if (state == prop_atoms.net_wm_state_fullscreen)
3149                 action = fullscreen ?
3150                     prop_atoms.net_wm_state_remove :
3151                     prop_atoms.net_wm_state_add;
3152             else if (state == prop_atoms.net_wm_state_above)
3153                 action = self->above ? prop_atoms.net_wm_state_remove :
3154                     prop_atoms.net_wm_state_add;
3155             else if (state == prop_atoms.net_wm_state_below)
3156                 action = self->below ? prop_atoms.net_wm_state_remove :
3157                     prop_atoms.net_wm_state_add;
3158             else if (state == prop_atoms.net_wm_state_demands_attention)
3159                 action = self->demands_attention ?
3160                     prop_atoms.net_wm_state_remove :
3161                     prop_atoms.net_wm_state_add;
3162             else if (state == prop_atoms.openbox_wm_state_undecorated)
3163                 action = undecorated ? prop_atoms.net_wm_state_remove :
3164                     prop_atoms.net_wm_state_add;
3165         }
3166
3167         if (action == prop_atoms.net_wm_state_add) {
3168             if (state == prop_atoms.net_wm_state_modal) {
3169                 modal = TRUE;
3170             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3171                 max_vert = TRUE;
3172             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3173                 max_horz = TRUE;
3174             } else if (state == prop_atoms.net_wm_state_shaded) {
3175                 shaded = TRUE;
3176             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3177                 self->skip_taskbar = TRUE;
3178             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3179                 self->skip_pager = TRUE;
3180             } else if (state == prop_atoms.net_wm_state_hidden) {
3181                 iconic = TRUE;
3182             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3183                 fullscreen = TRUE;
3184             } else if (state == prop_atoms.net_wm_state_above) {
3185                 self->above = TRUE;
3186                 self->below = FALSE;
3187             } else if (state == prop_atoms.net_wm_state_below) {
3188                 self->above = FALSE;
3189                 self->below = TRUE;
3190             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3191                 demands_attention = TRUE;
3192             } else if (state == prop_atoms.openbox_wm_state_undecorated) {
3193                 undecorated = TRUE;
3194             }
3195
3196         } else { /* action == prop_atoms.net_wm_state_remove */
3197             if (state == prop_atoms.net_wm_state_modal) {
3198                 modal = FALSE;
3199             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
3200                 max_vert = FALSE;
3201             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
3202                 max_horz = FALSE;
3203             } else if (state == prop_atoms.net_wm_state_shaded) {
3204                 shaded = FALSE;
3205             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
3206                 self->skip_taskbar = FALSE;
3207             } else if (state == prop_atoms.net_wm_state_skip_pager) {
3208                 self->skip_pager = FALSE;
3209             } else if (state == prop_atoms.net_wm_state_hidden) {
3210                 iconic = FALSE;
3211             } else if (state == prop_atoms.net_wm_state_fullscreen) {
3212                 fullscreen = FALSE;
3213             } else if (state == prop_atoms.net_wm_state_above) {
3214                 self->above = FALSE;
3215             } else if (state == prop_atoms.net_wm_state_below) {
3216                 self->below = FALSE;
3217             } else if (state == prop_atoms.net_wm_state_demands_attention) {
3218                 demands_attention = FALSE;
3219             } else if (state == prop_atoms.openbox_wm_state_undecorated) {
3220                 undecorated = FALSE;
3221             }
3222         }
3223     }
3224     if (max_horz != self->max_horz || max_vert != self->max_vert) {
3225         if (max_horz != self->max_horz && max_vert != self->max_vert) {
3226             /* toggling both */
3227             if (max_horz == max_vert) { /* both going the same way */
3228                 client_maximize(self, max_horz, 0);
3229             } else {
3230                 client_maximize(self, max_horz, 1);
3231                 client_maximize(self, max_vert, 2);
3232             }
3233         } else {
3234             /* toggling one */
3235             if (max_horz != self->max_horz)
3236                 client_maximize(self, max_horz, 1);
3237             else
3238                 client_maximize(self, max_vert, 2);
3239         }
3240     }
3241     /* change fullscreen state before shading, as it will affect if the window
3242        can shade or not */
3243     if (fullscreen != self->fullscreen)
3244         client_fullscreen(self, fullscreen);
3245     if (shaded != self->shaded)
3246         client_shade(self, shaded);
3247     if (undecorated != self->undecorated)
3248         client_set_undecorated(self, undecorated);
3249     if (modal != self->modal) {
3250         self->modal = modal;
3251         /* when a window changes modality, then its stacking order with its
3252            transients needs to change */
3253         client_raise(self);
3254     }
3255     if (iconic != self->iconic)
3256         client_iconify(self, iconic, FALSE);
3257
3258     if (demands_attention != self->demands_attention)
3259         client_hilite(self, demands_attention);
3260
3261     client_change_state(self); /* change the hint to reflect these changes */
3262 }
3263
3264 ObClient *client_focus_target(ObClient *self)
3265 {
3266     ObClient *child = NULL;
3267
3268     child = client_search_modal_child(self);
3269     if (child) return child;
3270     return self;
3271 }
3272
3273 gboolean client_can_focus(ObClient *self)
3274 {
3275     XEvent ev;
3276
3277     /* choose the correct target */
3278     self = client_focus_target(self);
3279
3280     if (!self->frame->visible)
3281         return FALSE;
3282
3283     if (!(self->can_focus || self->focus_notify))
3284         return FALSE;
3285
3286     /* do a check to see if the window has already been unmapped or destroyed
3287        do this intelligently while watching out for unmaps we've generated
3288        (ignore_unmaps > 0) */
3289     if (XCheckTypedWindowEvent(ob_display, self->window,
3290                                DestroyNotify, &ev)) {
3291         XPutBackEvent(ob_display, &ev);
3292         return FALSE;
3293     }
3294     while (XCheckTypedWindowEvent(ob_display, self->window,
3295                                   UnmapNotify, &ev)) {
3296         if (self->ignore_unmaps) {
3297             self->ignore_unmaps--;
3298         } else {
3299             XPutBackEvent(ob_display, &ev);
3300             return FALSE;
3301         }
3302     }
3303
3304     return TRUE;
3305 }
3306
3307 gboolean client_focus(ObClient *self)
3308 {
3309     /* choose the correct target */
3310     self = client_focus_target(self);
3311
3312     if (!client_can_focus(self)) {
3313         if (!self->frame->visible) {
3314             /* update the focus lists */
3315             focus_order_to_top(self);
3316         }
3317         return FALSE;
3318     }
3319
3320     ob_debug_type(OB_DEBUG_FOCUS,
3321                   "Focusing client \"%s\" at time %u\n",
3322                   self->title, event_curtime);
3323
3324     if (self->can_focus) {
3325         /* This can cause a BadMatch error with CurrentTime, or if an app
3326            passed in a bad time for _NET_WM_ACTIVE_WINDOW. */
3327         xerror_set_ignore(TRUE);
3328         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
3329                        event_curtime);
3330         xerror_set_ignore(FALSE);
3331     }
3332
3333     if (self->focus_notify) {
3334         XEvent ce;
3335         ce.xclient.type = ClientMessage;
3336         ce.xclient.message_type = prop_atoms.wm_protocols;
3337         ce.xclient.display = ob_display;
3338         ce.xclient.window = self->window;
3339         ce.xclient.format = 32;
3340         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
3341         ce.xclient.data.l[1] = event_curtime;
3342         ce.xclient.data.l[2] = 0l;
3343         ce.xclient.data.l[3] = 0l;
3344         ce.xclient.data.l[4] = 0l;
3345         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
3346     }
3347
3348 #ifdef DEBUG_FOCUS
3349     ob_debug("%sively focusing %lx at %d\n",
3350              (self->can_focus ? "act" : "pass"),
3351              self->window, (gint) event_curtime);
3352 #endif
3353
3354     /* Cause the FocusIn to come back to us. Important for desktop switches,
3355        since otherwise we'll have no FocusIn on the queue and send it off to
3356        the focus_backup. */
3357     XSync(ob_display, FALSE);
3358     return TRUE;
3359 }
3360
3361 /*! Present the client to the user.
3362   @param raise If the client should be raised or not. You should only set
3363                raise to false if you don't care if the window is completely
3364                hidden.
3365 */
3366 static void client_present(ObClient *self, gboolean here, gboolean raise)
3367 {
3368     /* if using focus_delay, stop the timer now so that focus doesn't
3369        go moving on us */
3370     event_halt_focus_delay();
3371
3372     if (client_normal(self) && screen_showing_desktop)
3373         screen_show_desktop(FALSE, FALSE);
3374     if (self->iconic)
3375         client_iconify(self, FALSE, here);
3376     if (self->desktop != DESKTOP_ALL &&
3377         self->desktop != screen_desktop)
3378     {
3379         if (here)
3380             client_set_desktop(self, screen_desktop, FALSE);
3381         else
3382             screen_set_desktop(self->desktop, FALSE);
3383     } else if (!self->frame->visible)
3384         /* if its not visible for other reasons, then don't mess
3385            with it */
3386         return;
3387     if (self->shaded)
3388         client_shade(self, FALSE);
3389
3390     client_focus(self);
3391
3392     if (raise) {
3393         /* we do this as an action here. this is rather important. this is
3394            because we want the results from the focus change to take place
3395            BEFORE we go about raising the window. when a fullscreen window
3396            loses focus, we need this or else the raise wont be able to raise
3397            above the to-lose-focus fullscreen window. */
3398         client_raise(self);
3399     }
3400 }
3401
3402 void client_activate(ObClient *self, gboolean here, gboolean user)
3403 {
3404     guint32 last_time = focus_client ? focus_client->user_time : CurrentTime;
3405
3406     /* XXX do some stuff here if user is false to determine if we really want
3407        to activate it or not (a parent or group member is currently
3408        active)?
3409     */
3410     ob_debug_type(OB_DEBUG_FOCUS,
3411                   "Want to activate window 0x%x with time %u (last time %u), "
3412                   "source=%s\n",
3413                   self->window, event_curtime, last_time,
3414                   (user ? "user" : "application"));
3415
3416     if (!user && event_curtime && last_time &&
3417         !event_time_after(event_curtime, last_time))
3418     {
3419         client_hilite(self, TRUE);
3420     } else {
3421         if (event_curtime != CurrentTime)
3422             self->user_time = event_curtime;
3423
3424         client_present(self, here, TRUE);
3425     }
3426 }
3427
3428 void client_raise(ObClient *self)
3429 {
3430     action_run_string("Raise", self, CurrentTime);
3431 }
3432
3433 void client_lower(ObClient *self)
3434 {
3435     action_run_string("Lower", self, CurrentTime);
3436 }
3437
3438 gboolean client_focused(ObClient *self)
3439 {
3440     return self == focus_client;
3441 }
3442
3443 static ObClientIcon* client_icon_recursive(ObClient *self, gint w, gint h)
3444 {
3445     guint i;
3446     /* si is the smallest image >= req */
3447     /* li is the largest image < req */
3448     gulong size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
3449
3450     if (!self->nicons) {
3451         ObClientIcon *parent = NULL;
3452
3453         if (self->transient_for) {
3454             if (self->transient_for != OB_TRAN_GROUP)
3455                 parent = client_icon_recursive(self->transient_for, w, h);
3456             else {
3457                 GSList *it;
3458                 for (it = self->group->members; it; it = g_slist_next(it)) {
3459                     ObClient *c = it->data;
3460                     if (c != self && !c->transient_for) {
3461                         if ((parent = client_icon_recursive(c, w, h)))
3462                             break;
3463                     }
3464                 }
3465             }
3466         }
3467
3468         return parent;
3469     }
3470
3471     for (i = 0; i < self->nicons; ++i) {
3472         size = self->icons[i].width * self->icons[i].height;
3473         if (size < smallest && size >= (unsigned)(w * h)) {
3474             smallest = size;
3475             si = i;
3476         }
3477         if (size > largest && size <= (unsigned)(w * h)) {
3478             largest = size;
3479             li = i;
3480         }
3481     }
3482     if (largest == 0) /* didnt find one smaller than the requested size */
3483         return &self->icons[si];
3484     return &self->icons[li];
3485 }
3486
3487 const ObClientIcon* client_icon(ObClient *self, gint w, gint h)
3488 {
3489     ObClientIcon *ret;
3490     static ObClientIcon deficon;
3491
3492     if (!(ret = client_icon_recursive(self, w, h))) {
3493         deficon.width = deficon.height = 48;
3494         deficon.data = ob_rr_theme->def_win_icon;
3495         ret = &deficon;
3496     }
3497     return ret;
3498 }
3499
3500 void client_set_layer(ObClient *self, gint layer)
3501 {
3502     if (layer < 0) {
3503         self->below = TRUE;
3504         self->above = FALSE;
3505     } else if (layer == 0) {
3506         self->below = self->above = FALSE;
3507     } else {
3508         self->below = FALSE;
3509         self->above = TRUE;
3510     }
3511     client_calc_layer(self);
3512     client_change_state(self); /* reflect this in the state hints */
3513 }
3514
3515 void client_set_undecorated(ObClient *self, gboolean undecorated)
3516 {
3517     if (self->undecorated != undecorated) {
3518         self->undecorated = undecorated;
3519         client_setup_decor_and_functions(self);
3520         /* Make sure the client knows it might have moved. Maybe there is a
3521          * better way of doing this so only one client_configure is sent, but
3522          * since 125 of these are sent per second when moving the window (with
3523          * user = FALSE) i doubt it matters much.
3524          */
3525         client_configure(self, self->area.x, self->area.y,
3526                          self->area.width, self->area.height, TRUE, TRUE);
3527         client_change_state(self); /* reflect this in the state hints */
3528     }
3529 }
3530
3531 guint client_monitor(ObClient *self)
3532 {
3533     return screen_find_monitor(&self->frame->area);
3534 }
3535
3536 ObClient *client_search_top_normal_parent(ObClient *self)
3537 {
3538     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3539            client_normal(self->transient_for))
3540         self = self->transient_for;
3541     return self;
3542 }
3543
3544 static GSList *client_search_all_top_parents_internal(ObClient *self,
3545                                                       gboolean bylayer,
3546                                                       ObStackingLayer layer)
3547 {
3548     GSList *ret = NULL;
3549
3550     /* move up the direct transient chain as far as possible */
3551     while (self->transient_for && self->transient_for != OB_TRAN_GROUP &&
3552            (!bylayer || self->transient_for->layer == layer) &&
3553            client_normal(self->transient_for))
3554         self = self->transient_for;
3555
3556     if (!self->transient_for)
3557         ret = g_slist_prepend(ret, self);
3558     else {
3559             GSList *it;
3560
3561             g_assert(self->group);
3562
3563             for (it = self->group->members; it; it = g_slist_next(it)) {
3564                 ObClient *c = it->data;
3565
3566                 if (!c->transient_for && client_normal(c) &&
3567                     (!bylayer || c->layer == layer))
3568                 {
3569                     ret = g_slist_prepend(ret, c);
3570                 }
3571             }
3572
3573             if (ret == NULL) /* no group parents */
3574                 ret = g_slist_prepend(ret, self);
3575     }
3576
3577     return ret;
3578 }
3579
3580 GSList *client_search_all_top_parents(ObClient *self)
3581 {
3582     return client_search_all_top_parents_internal(self, FALSE, 0);
3583 }
3584
3585 GSList *client_search_all_top_parents_layer(ObClient *self)
3586 {
3587     return client_search_all_top_parents_internal(self, TRUE, self->layer);
3588 }
3589
3590 ObClient *client_search_focus_parent(ObClient *self)
3591 {
3592     if (self->transient_for) {
3593         if (self->transient_for != OB_TRAN_GROUP) {
3594             if (client_focused(self->transient_for))
3595                 return self->transient_for;
3596         } else {
3597             GSList *it;
3598
3599             for (it = self->group->members; it; it = g_slist_next(it)) {
3600                 ObClient *c = it->data;
3601
3602                 /* checking transient_for prevents infinate loops! */
3603                 if (c != self && !c->transient_for)
3604                     if (client_focused(c))
3605                         return c;
3606             }
3607         }
3608     }
3609
3610     return NULL;
3611 }
3612
3613 ObClient *client_search_parent(ObClient *self, ObClient *search)
3614 {
3615     if (self->transient_for) {
3616         if (self->transient_for != OB_TRAN_GROUP) {
3617             if (self->transient_for == search)
3618                 return search;
3619         } else {
3620             GSList *it;
3621
3622             for (it = self->group->members; it; it = g_slist_next(it)) {
3623                 ObClient *c = it->data;
3624
3625                 /* checking transient_for prevents infinate loops! */
3626                 if (c != self && !c->transient_for)
3627                     if (c == search)
3628                         return search;
3629             }
3630         }
3631     }
3632
3633     return NULL;
3634 }
3635
3636 ObClient *client_search_transient(ObClient *self, ObClient *search)
3637 {
3638     GSList *sit;
3639
3640     for (sit = self->transients; sit; sit = g_slist_next(sit)) {
3641         if (sit->data == search)
3642             return search;
3643         if (client_search_transient(sit->data, search))
3644             return search;
3645     }
3646     return NULL;
3647 }
3648
3649 #define WANT_EDGE(cur, c) \
3650             if(cur == c)                                                      \
3651                 continue;                                                     \
3652             if(!client_normal(cur))                                           \
3653                 continue;                                                     \
3654             if(screen_desktop != cur->desktop && cur->desktop != DESKTOP_ALL) \
3655                 continue;                                                     \
3656             if(cur->iconic)                                                   \
3657                 continue;                                                     \
3658             if(cur->layer < c->layer && !config_resist_layers_below)          \
3659                 continue;
3660
3661 #define HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end) \
3662             if ((his_edge_start >= my_edge_start && \
3663                  his_edge_start <= my_edge_end) ||  \
3664                 (my_edge_start >= his_edge_start && \
3665                  my_edge_start <= his_edge_end))    \
3666                 dest = his_offset;
3667
3668 /* finds the nearest edge in the given direction from the current client
3669  * note to self: the edge is the -frame- edge (the actual one), not the
3670  * client edge.
3671  */
3672 gint client_directional_edge_search(ObClient *c, ObDirection dir, gboolean hang)
3673 {
3674     gint dest, monitor_dest;
3675     gint my_edge_start, my_edge_end, my_offset;
3676     GList *it;
3677     Rect *a, *monitor;
3678
3679     if(!client_list)
3680         return -1;
3681
3682     a = screen_area(c->desktop);
3683     monitor = screen_area_monitor(c->desktop, client_monitor(c));
3684
3685     switch(dir) {
3686     case OB_DIRECTION_NORTH:
3687         my_edge_start = c->frame->area.x;
3688         my_edge_end = c->frame->area.x + c->frame->area.width;
3689         my_offset = c->frame->area.y + (hang ? c->frame->area.height : 0);
3690
3691         /* default: top of screen */
3692         dest = a->y + (hang ? c->frame->area.height : 0);
3693         monitor_dest = monitor->y + (hang ? c->frame->area.height : 0);
3694         /* if the monitor edge comes before the screen edge, */
3695         /* use that as the destination instead. (For xinerama) */
3696         if (monitor_dest != dest && my_offset > monitor_dest)
3697             dest = monitor_dest;
3698
3699         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3700             gint his_edge_start, his_edge_end, his_offset;
3701             ObClient *cur = it->data;
3702
3703             WANT_EDGE(cur, c)
3704
3705             his_edge_start = cur->frame->area.x;
3706             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3707             his_offset = cur->frame->area.y +
3708                          (hang ? 0 : cur->frame->area.height);
3709
3710             if(his_offset + 1 > my_offset)
3711                 continue;
3712
3713             if(his_offset < dest)
3714                 continue;
3715
3716             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3717         }
3718         break;
3719     case OB_DIRECTION_SOUTH:
3720         my_edge_start = c->frame->area.x;
3721         my_edge_end = c->frame->area.x + c->frame->area.width;
3722         my_offset = c->frame->area.y + (hang ? 0 : c->frame->area.height);
3723
3724         /* default: bottom of screen */
3725         dest = a->y + a->height - (hang ? c->frame->area.height : 0);
3726         monitor_dest = monitor->y + monitor->height -
3727                        (hang ? c->frame->area.height : 0);
3728         /* if the monitor edge comes before the screen edge, */
3729         /* use that as the destination instead. (For xinerama) */
3730         if (monitor_dest != dest && my_offset < monitor_dest)
3731             dest = monitor_dest;
3732
3733         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3734             gint his_edge_start, his_edge_end, his_offset;
3735             ObClient *cur = it->data;
3736
3737             WANT_EDGE(cur, c)
3738
3739             his_edge_start = cur->frame->area.x;
3740             his_edge_end = cur->frame->area.x + cur->frame->area.width;
3741             his_offset = cur->frame->area.y +
3742                          (hang ? cur->frame->area.height : 0);
3743
3744
3745             if(his_offset - 1 < my_offset)
3746                 continue;
3747
3748             if(his_offset > dest)
3749                 continue;
3750
3751             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3752         }
3753         break;
3754     case OB_DIRECTION_WEST:
3755         my_edge_start = c->frame->area.y;
3756         my_edge_end = c->frame->area.y + c->frame->area.height;
3757         my_offset = c->frame->area.x + (hang ? c->frame->area.width : 0);
3758
3759         /* default: leftmost egde of screen */
3760         dest = a->x + (hang ? c->frame->area.width : 0);
3761         monitor_dest = monitor->x + (hang ? c->frame->area.width : 0);
3762         /* if the monitor edge comes before the screen edge, */
3763         /* use that as the destination instead. (For xinerama) */
3764         if (monitor_dest != dest && my_offset > monitor_dest)
3765             dest = monitor_dest;
3766
3767         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3768             gint his_edge_start, his_edge_end, his_offset;
3769             ObClient *cur = it->data;
3770
3771             WANT_EDGE(cur, c)
3772
3773             his_edge_start = cur->frame->area.y;
3774             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3775             his_offset = cur->frame->area.x +
3776                          (hang ? 0 : cur->frame->area.width);
3777
3778             if(his_offset + 1 > my_offset)
3779                 continue;
3780
3781             if(his_offset < dest)
3782                 continue;
3783
3784             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3785         }
3786        break;
3787     case OB_DIRECTION_EAST:
3788         my_edge_start = c->frame->area.y;
3789         my_edge_end = c->frame->area.y + c->frame->area.height;
3790         my_offset = c->frame->area.x + (hang ? 0 : c->frame->area.width);
3791
3792         /* default: rightmost edge of screen */
3793         dest = a->x + a->width - (hang ? c->frame->area.width : 0);
3794         monitor_dest = monitor->x + monitor->width -
3795                        (hang ? c->frame->area.width : 0);
3796         /* if the monitor edge comes before the screen edge, */
3797         /* use that as the destination instead. (For xinerama) */
3798         if (monitor_dest != dest && my_offset < monitor_dest)
3799             dest = monitor_dest;
3800
3801         for(it = client_list; it && my_offset != dest; it = g_list_next(it)) {
3802             gint his_edge_start, his_edge_end, his_offset;
3803             ObClient *cur = it->data;
3804
3805             WANT_EDGE(cur, c)
3806
3807             his_edge_start = cur->frame->area.y;
3808             his_edge_end = cur->frame->area.y + cur->frame->area.height;
3809             his_offset = cur->frame->area.x +
3810                          (hang ? cur->frame->area.width : 0);
3811
3812             if(his_offset - 1 < my_offset)
3813                 continue;
3814
3815             if(his_offset > dest)
3816                 continue;
3817
3818             HIT_EDGE(my_edge_start, my_edge_end, his_edge_start, his_edge_end)
3819         }
3820         break;
3821     case OB_DIRECTION_NORTHEAST:
3822     case OB_DIRECTION_SOUTHEAST:
3823     case OB_DIRECTION_NORTHWEST:
3824     case OB_DIRECTION_SOUTHWEST:
3825         /* not implemented */
3826     default:
3827         g_assert_not_reached();
3828         dest = 0; /* suppress warning */
3829     }
3830     return dest;
3831 }
3832
3833 ObClient* client_under_pointer()
3834 {
3835     gint x, y;
3836     GList *it;
3837     ObClient *ret = NULL;
3838
3839     if (screen_pointer_pos(&x, &y)) {
3840         for (it = stacking_list; it; it = g_list_next(it)) {
3841             if (WINDOW_IS_CLIENT(it->data)) {
3842                 ObClient *c = WINDOW_AS_CLIENT(it->data);
3843                 if (c->frame->visible &&
3844                     /* ignore all animating windows */
3845                     !frame_iconify_animating(c->frame) &&
3846                     RECT_CONTAINS(c->frame->area, x, y))
3847                 {
3848                     ret = c;
3849                     break;
3850                 }
3851             }
3852         }
3853     }
3854     return ret;
3855 }
3856
3857 gboolean client_has_group_siblings(ObClient *self)
3858 {
3859     return self->group && self->group->members->next;
3860 }
3861
3862 gboolean client_has_application_group_siblings(ObClient *self)
3863 {
3864     GSList *it;
3865
3866     if (!self->group) return FALSE;
3867
3868     for (it = self->group->members; it; it = g_slist_next(it)) {
3869         ObClient *c = it->data;
3870         if (c != self && client_application(c))
3871             return TRUE;
3872     }
3873     return FALSE;
3874 }