openbox/client.c

   1 #include "client.h"
   2 #include "dock.h"
   3 #include "xerror.h"
   4 #include "startup.h"
   5 #include "screen.h"
   6 #include "moveresize.h"
   7 #include "prop.h"
   8 #include "extensions.h"
   9 #include "frame.h"
  10 #include "event.h"
  11 #include "grab.h"
  12 #include "focus.h"
  13 #include "stacking.h"
  14 #include "dispatch.h"
  15 #include "openbox.h"
  16 #include "group.h"
  17 #include "config.h"
  18 #include "menu.h"
  19 #include "render/render.h"
  20
  21 #include <glib.h>
  22 #include <X11/Xutil.h>
  23
  24 /*! The event mask to grab on client windows */
  25 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  26                           StructureNotifyMask)
  27
  28 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  29                                 ButtonMotionMask)
  30
  31 GList      *client_list      = NULL;
  32
  33 static void client_get_all(ObClient *self);
  34 static void client_toggle_border(ObClient *self, gboolean show);
  35 static void client_get_area(ObClient *self);
  36 static void client_get_desktop(ObClient *self);
  37 static void client_get_state(ObClient *self);
  38 static void client_get_shaped(ObClient *self);
  39 static void client_get_mwm_hints(ObClient *self);
  40 static void client_get_gravity(ObClient *self);
  41 static void client_showhide(ObClient *self);
  42 static void client_change_allowed_actions(ObClient *self);
  43 static void client_change_state(ObClient *self);
  44 static void client_apply_startup_state(ObClient *self);
  45
  46 void client_startup()
  47 {
  48     client_set_list();
  49 }
  50
  51 void client_shutdown()
  52 {
  53 }
  54
  55 void client_set_list()
  56 {
  57     Window *windows, *win_it;
  58     GList *it;
  59     guint size = g_list_length(client_list);
  60
  61     /* create an array of the window ids */
  62     if (size > 0) {
  63         windows = g_new(Window, size);
  64         win_it = windows;
  65         for (it = client_list; it != NULL; it = it->next, ++win_it)
  66             *win_it = ((ObClient*)it->data)->window;
  67     } else
  68         windows = NULL;
  69
  70     PROP_SETA32(RootWindow(ob_display, ob_screen),
  71                 net_client_list, window, (guint32*)windows, size);
  72
  73     if (windows)
  74         g_free(windows);
  75
  76     stacking_set_list();
  77 }
  78
  79 /*
  80 void client_foreach_transient(ObClient *self, ObClientForeachFunc func, void *data)
  81 {
  82     GSList *it;
  83
  84     for (it = self->transients; it; it = it->next) {
  85         if (!func(it->data, data)) return;
  86         client_foreach_transient(it->data, func, data);
  87     }
  88 }
  89
  90 void client_foreach_ancestor(ObClient *self, ObClientForeachFunc func, void *data)
  91 {
  92     if (self->transient_for) {
  93         if (self->transient_for != OB_TRAN_GROUP) {
  94             if (!func(self->transient_for, data)) return;
  95             client_foreach_ancestor(self->transient_for, func, data);
  96         } else {
  97             GSList *it;
  98
  99             for (it = self->group->members; it; it = it->next)
 100                 if (it->data != self &&
 101                     !((ObClient*)it->data)->transient_for) {
 102                     if (!func(it->data, data)) return;
 103                     client_foreach_ancestor(it->data, func, data);
 104                 }
 105         }
 106     }
 107 }
 108 */
 109
 110 void client_manage_all()
 111 {
 112     unsigned int i, j, nchild;
 113     Window w, *children;
 114     XWMHints *wmhints;
 115     XWindowAttributes attrib;
 116
 117     XQueryTree(ob_display, RootWindow(ob_display, ob_screen),
 118                &w, &w, &children, &nchild);
 119
 120     /* remove all icon windows from the list */
 121     for (i = 0; i < nchild; i++) {
 122         if (children[i] == None) continue;
 123         wmhints = XGetWMHints(ob_display, children[i]);
 124         if (wmhints) {
 125             if ((wmhints->flags & IconWindowHint) &&
 126                 (wmhints->icon_window != children[i]))
 127                 for (j = 0; j < nchild; j++)
 128                     if (children[j] == wmhints->icon_window) {
 129                         children[j] = None;
 130                         break;
 131                     }
 132             XFree(wmhints);
 133         }
 134     }
 135
 136     for (i = 0; i < nchild; ++i) {
 137         if (children[i] == None)
 138             continue;
 139         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 140             if (attrib.override_redirect) continue;
 141
 142             if (attrib.map_state != IsUnmapped)
 143                 client_manage(children[i]);
 144         }
 145     }
 146     XFree(children);
 147
 148     /* stack them as they were on startup!
 149        why with stacking_lower? Why, because then windows who aren't in the
 150        stacking list are on the top where you can see them instead of buried
 151        at the bottom! */
 152     for (i = startup_stack_size; i > 0; --i) {
 153         ObWindow *obw;
 154
 155         w = startup_stack_order[i-1];
 156         obw = g_hash_table_lookup(window_map, &w);
 157         if (obw) {
 158             g_assert(WINDOW_IS_CLIENT(obw));
 159             stacking_lower(CLIENT_AS_WINDOW(obw));
 160         }
 161     }
 162     g_free(startup_stack_order);
 163     startup_stack_order = NULL;
 164     startup_stack_size = 0;
 165
 166     if (config_focus_new) {
 167         ObWindow *active;
 168
 169         active = g_hash_table_lookup(window_map, &startup_active);
 170         if (active) {
 171             g_assert(WINDOW_IS_CLIENT(active));
 172             if (!client_focus(WINDOW_AS_CLIENT(active)))
 173                 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
 174         } else
 175             focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
 176     }
 177 }
 178
 179 void client_manage(Window window)
 180 {
 181     ObClient *self;
 182     XEvent e;
 183     XWindowAttributes attrib;
 184     XSetWindowAttributes attrib_set;
 185     XWMHints *wmhint;
 186     gboolean activate = FALSE;
 187
 188     grab_server(TRUE);
 189
 190     /* check if it has already been unmapped by the time we started mapping
 191        the grab does a sync so we don't have to here */
 192     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 193         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 194         XPutBackEvent(ob_display, &e);
 195
 196         grab_server(FALSE);
 197         return; /* don't manage it */
 198     }
 199
 200     /* make sure it isn't an override-redirect window */
 201     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 202         attrib.override_redirect) {
 203         grab_server(FALSE);
 204         return; /* don't manage it */
 205     }
 206
 207     /* is the window a docking app */
 208     if ((wmhint = XGetWMHints(ob_display, window))) {
 209         if ((wmhint->flags & StateHint) &&
 210             wmhint->initial_state == WithdrawnState) {
 211             dock_add(window, wmhint);
 212             grab_server(FALSE);
 213             XFree(wmhint);
 214             return;
 215         }
 216         XFree(wmhint);
 217     }
 218
 219     g_message("Managing window: %lx", window);
 220
 221     /* choose the events we want to receive on the CLIENT window */
 222     attrib_set.event_mask = CLIENT_EVENTMASK;
 223     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 224     XChangeWindowAttributes(ob_display, window,
 225                             CWEventMask|CWDontPropagate, &attrib_set);
 226
 227
 228     /* create the ObClient struct, and populate it from the hints on the
 229        window */
 230     self = g_new(ObClient, 1);
 231     self->obwin.type = Window_Client;
 232     self->window = window;
 233     client_get_all(self);
 234
 235     /* remove the client's border (and adjust re gravity) */
 236     client_toggle_border(self, FALSE);
 237
 238     /* specify that if we exit, the window should not be destroyed and should
 239        be reparented back to root automatically */
 240     XChangeSaveSet(ob_display, window, SetModeInsert);
 241
 242     /* create the decoration frame for the client window */
 243     self->frame = frame_new();
 244
 245     frame_grab_client(self->frame, self);
 246
 247     client_apply_startup_state(self);
 248
 249     grab_server(FALSE);
 250
 251     /* add to client list/map */
 252     client_list = g_list_append(client_list, self);
 253     g_hash_table_insert(window_map, &self->window, self);
 254
 255     /* update the focus lists */
 256     focus_order_add_new(self);
 257
 258     /* focus the new window? */
 259     if (ob_state() != OB_STATE_STARTING && config_focus_new &&
 260         /* note the check against Type_Normal/Dialog, not client_normal(self),
 261            which would also include other types. in this case we want more
 262            strict rules for focus */
 263         (self->type == OB_CLIENT_TYPE_NORMAL ||
 264          self->type == OB_CLIENT_TYPE_DIALOG))
 265     {
 266         if (self->desktop != screen_desktop)
 267         {
 268             /* activate the window */
 269             stacking_add(CLIENT_AS_WINDOW(self));
 270             activate = TRUE;
 271         }
 272         else
 273         {
 274             gboolean group_foc = FALSE;
 275
 276             if (self->group) {
 277                 GSList *it;
 278
 279                 for (it = self->group->members; it; it = it->next)
 280                 {
 281                     if (client_focused(it->data))
 282                     {
 283                         group_foc = TRUE;
 284                         break;
 285                     }
 286                 }
 287             }
 288             if ((group_foc ||
 289                  (!self->transient_for && (!self->group ||
 290                                            !self->group->members->next))) ||
 291                 client_search_focus_tree_full(self) ||
 292                 !focus_client ||
 293                 !client_normal(focus_client))
 294             {
 295                 /* activate the window */
 296                 stacking_add(CLIENT_AS_WINDOW(self));
 297                 activate = TRUE;
 298             }
 299             else
 300             {
 301                 /* try to not get in the way */
 302                 stacking_add_nonintrusive(CLIENT_AS_WINDOW(self));
 303             }
 304         }
 305     }
 306     else
 307     {
 308         stacking_add(CLIENT_AS_WINDOW(self));
 309     }
 310
 311     dispatch_client(Event_Client_New, self, 0, 0);
 312
 313     /* make sure the window is visible */
 314     client_move_onscreen(self);
 315
 316     screen_update_areas();
 317
 318     client_showhide(self);
 319
 320     /* use client_focus instead of client_activate cuz client_activate does
 321        stuff like switch desktops etc and I'm not interested in all that when
 322        a window maps since its not based on an action from the user like
 323        clicking a window to activate is. so keep the new window out of the way
 324        but do focus it. */
 325     if (activate) client_focus(self);
 326
 327     /* update the list hints */
 328     client_set_list();
 329
 330     dispatch_client(Event_Client_Mapped, self, 0, 0);
 331
 332     g_message("Managed window 0x%lx (%s)", window, self->class);
 333 }
 334
 335 void client_unmanage_all()
 336 {
 337     while (client_list != NULL)
 338         client_unmanage(client_list->data);
 339 }
 340
 341 /* called by client_unmanage() to close any menus referencing this client */
 342 void client_close_menus(gpointer key, gpointer value, gpointer self)
 343 {
 344     if (((ObMenu *)value)->client == (ObClient *)self)
 345         menu_hide((ObMenu *)value);
 346 }
 347
 348 void client_unmanage(ObClient *self)
 349 {
 350     guint j;
 351     GSList *it;
 352
 353     g_message("Unmanaging window: %lx (%s)", self->window, self->class);
 354
 355     dispatch_client(Event_Client_Destroy, self, 0, 0);
 356     g_assert(self != NULL);
 357
 358     /* remove the window from our save set */
 359     XChangeSaveSet(ob_display, self->window, SetModeDelete);
 360
 361     /* we dont want events no more */
 362     XSelectInput(ob_display, self->window, NoEventMask);
 363
 364     frame_hide(self->frame);
 365
 366     client_list = g_list_remove(client_list, self);
 367     stacking_remove(self);
 368     g_hash_table_remove(window_map, &self->window);
 369
 370     /* update the focus lists */
 371     focus_order_remove(self);
 372
 373     /* once the client is out of the list, update the struts to remove it's
 374        influence */
 375     screen_update_areas();
 376
 377     /* tell our parent(s) that we're gone */
 378     if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 379         GSList *it;
 380
 381         for (it = self->group->members; it; it = it->next)
 382             if (it->data != self)
 383                 ((ObClient*)it->data)->transients =
 384                     g_slist_remove(((ObClient*)it->data)->transients, self);
 385     } else if (self->transient_for) {        /* transient of window */
 386         self->transient_for->transients =
 387             g_slist_remove(self->transient_for->transients, self);
 388     }
 389
 390     /* tell our transients that we're gone */
 391     for (it = self->transients; it != NULL; it = it->next) {
 392         if (((ObClient*)it->data)->transient_for != OB_TRAN_GROUP) {
 393             ((ObClient*)it->data)->transient_for = NULL;
 394             client_calc_layer(it->data);
 395         }
 396     }
 397
 398     if (moveresize_client == self)
 399         moveresize_end(TRUE);
 400
 401     /* close any windows that are attached to this window */
 402     g_hash_table_foreach(menu_hash, client_close_menus, self);
 403
 404
 405     if (focus_client == self) {
 406         XEvent e;
 407
 408         /* focus the last focused window on the desktop, and ignore enter
 409            events from the unmap so it doesnt mess with the focus */
 410         while (XCheckTypedEvent(ob_display, EnterNotify, &e));
 411         client_unfocus(self);
 412     }
 413
 414     /* remove from its group */
 415     if (self->group) {
 416         group_remove(self->group, self);
 417         self->group = NULL;
 418     }
 419
 420     /* dispatch the unmapped event */
 421     dispatch_client(Event_Client_Unmapped, self, 0, 0);
 422     g_assert(self != NULL);
 423
 424     /* give the client its border back */
 425     client_toggle_border(self, TRUE);
 426
 427     /* reparent the window out of the frame, and free the frame */
 428     frame_release_client(self->frame, self);
 429     self->frame = NULL;
 430
 431     if (ob_state() != OB_STATE_EXITING) {
 432         /* these values should not be persisted across a window
 433            unmapping/mapping */
 434         prop_erase(self->window, prop_atoms.net_wm_desktop);
 435         prop_erase(self->window, prop_atoms.net_wm_state);
 436     } else {
 437         /* if we're left in an iconic state, the client wont be mapped. this is
 438            bad, since we will no longer be managing the window on restart */
 439         if (self->iconic)
 440             XMapWindow(ob_display, self->window);
 441     }
 442
 443
 444     g_message("Unmanaged window 0x%lx", self->window);
 445
 446     /* free all data allocated in the client struct */
 447     g_slist_free(self->transients);
 448     for (j = 0; j < self->nicons; ++j)
 449         g_free(self->icons[j].data);
 450     if (self->nicons > 0)
 451         g_free(self->icons);
 452     g_free(self->title);
 453     g_free(self->icon_title);
 454     g_free(self->name);
 455     g_free(self->class);
 456     g_free(self->role);
 457     g_free(self);
 458
 459     /* update the list hints */
 460     client_set_list();
 461 }
 462
 463 void client_move_onscreen(ObClient *self)
 464 {
 465     Rect *a;
 466     int x = self->frame->area.x, y = self->frame->area.y;
 467
 468     /* XXX watch for xinerama dead areas */
 469     a = screen_area(self->desktop);
 470     if (x >= a->x + a->width - 1)
 471         x = a->x + a->width - self->frame->area.width;
 472     if (y >= a->y + a->height - 1)
 473         y = a->y + a->height - self->frame->area.height;
 474     if (x + self->frame->area.width - 1 < a->x)
 475         x = a->x;
 476     if (y + self->frame->area.height - 1< a->y)
 477         y = a->y;
 478
 479     frame_frame_gravity(self->frame, &x, &y); /* get where the client
 480                                                  should be */
 481     client_configure(self, OB_CORNER_TOPLEFT, x, y,
 482                      self->area.width, self->area.height,
 483                      TRUE, TRUE);
 484 }
 485
 486 static void client_toggle_border(ObClient *self, gboolean show)
 487 {
 488     /* adjust our idea of where the client is, based on its border. When the
 489        border is removed, the client should now be considered to be in a
 490        different position.
 491        when re-adding the border to the client, the same operation needs to be
 492        reversed. */
 493     int oldx = self->area.x, oldy = self->area.y;
 494     int x = oldx, y = oldy;
 495     switch(self->gravity) {
 496     default:
 497     case NorthWestGravity:
 498     case WestGravity:
 499     case SouthWestGravity:
 500         break;
 501     case NorthEastGravity:
 502     case EastGravity:
 503     case SouthEastGravity:
 504         if (show) x -= self->border_width * 2;
 505         else      x += self->border_width * 2;
 506         break;
 507     case NorthGravity:
 508     case SouthGravity:
 509     case CenterGravity:
 510     case ForgetGravity:
 511     case StaticGravity:
 512         if (show) x -= self->border_width;
 513         else      x += self->border_width;
 514         break;
 515     }
 516     switch(self->gravity) {
 517     default:
 518     case NorthWestGravity:
 519     case NorthGravity:
 520     case NorthEastGravity:
 521         break;
 522     case SouthWestGravity:
 523     case SouthGravity:
 524     case SouthEastGravity:
 525         if (show) y -= self->border_width * 2;
 526         else      y += self->border_width * 2;
 527         break;
 528     case WestGravity:
 529     case EastGravity:
 530     case CenterGravity:
 531     case ForgetGravity:
 532     case StaticGravity:
 533         if (show) y -= self->border_width;
 534         else      y += self->border_width;
 535         break;
 536     }
 537     self->area.x = x;
 538     self->area.y = y;
 539
 540     if (show) {
 541         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 542
 543         /* move the client so it is back it the right spot _with_ its
 544            border! */
 545         if (x != oldx || y != oldy)
 546             XMoveWindow(ob_display, self->window, x, y);
 547     } else
 548         XSetWindowBorderWidth(ob_display, self->window, 0);
 549 }
 550
 551
 552 static void client_get_all(ObClient *self)
 553 {
 554     /* update EVERYTHING!! */
 555
 556     self->ignore_unmaps = 0;
 557
 558     /* defaults */
 559     self->frame = NULL;
 560     self->title = self->icon_title = NULL;
 561     self->title_count = 1;
 562     self->name = self->class = self->role = NULL;
 563     self->wmstate = NormalState;
 564     self->transient = FALSE;
 565     self->transients = NULL;
 566     self->transient_for = NULL;
 567     self->layer = -1;
 568     self->urgent = FALSE;
 569     self->positioned = FALSE;
 570     self->decorate = TRUE;
 571     self->group = NULL;
 572     self->nicons = 0;
 573
 574     client_get_area(self);
 575     client_update_transient_for(self);
 576     client_update_wmhints(self);
 577     client_get_desktop(self);
 578     client_get_state(self);
 579     client_get_shaped(self);
 580
 581     client_get_mwm_hints(self);
 582     client_get_type(self);/* this can change the mwmhints for special cases */
 583
 584     client_update_protocols(self);
 585
 586     client_get_gravity(self); /* get the attribute gravity */
 587     client_update_normal_hints(self); /* this may override the attribute
 588                                          gravity */
 589
 590     /* got the type, the mwmhints, the protocols, and the normal hints
 591        (min/max sizes), so we're ready to set up the decorations/functions */
 592     client_setup_decor_and_functions(self);
 593
 594     client_update_title(self);
 595     client_update_class(self);
 596     client_update_strut(self);
 597     client_update_icons(self);
 598
 599     client_change_state(self);
 600 }
 601
 602 static void client_get_area(ObClient *self)
 603 {
 604     XWindowAttributes wattrib;
 605     Status ret;
 606
 607     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 608     g_assert(ret != BadWindow);
 609
 610     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 611     self->border_width = wattrib.border_width;
 612 }
 613
 614 static void client_get_desktop(ObClient *self)
 615 {
 616     guint32 d = screen_num_desktops; /* an always-invalid value */
 617
 618     if (PROP_GET32(self->window, net_wm_desktop, cardinal, &d)) {
 619         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 620             self->desktop = screen_num_desktops - 1;
 621         else
 622             self->desktop = d;
 623     } else {
 624         gboolean trdesk = FALSE;
 625
 626        if (self->transient_for) {
 627            if (self->transient_for != OB_TRAN_GROUP) {
 628                 self->desktop = self->transient_for->desktop;
 629                 trdesk = TRUE;
 630             } else {
 631                 GSList *it;
 632
 633                 for (it = self->group->members; it; it = it->next)
 634                     if (it->data != self &&
 635                         !((ObClient*)it->data)->transient_for) {
 636                         self->desktop = ((ObClient*)it->data)->desktop;
 637                         trdesk = TRUE;
 638                         break;
 639                     }
 640             }
 641        }
 642        if (!trdesk)
 643            /* defaults to the current desktop */
 644            self->desktop = screen_desktop;
 645
 646     }
 647     if (self->desktop != d) {
 648         /* set the desktop hint, to make sure that it always exists */
 649         PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 650     }
 651 }
 652
 653 static void client_get_state(ObClient *self)
 654 {
 655     guint32 *state;
 656     guint num;
 657
 658     self->modal = self->shaded = self->max_horz = self->max_vert =
 659         self->fullscreen = self->above = self->below = self->iconic =
 660         self->skip_taskbar = self->skip_pager = FALSE;
 661
 662     if (PROP_GETA32(self->window, net_wm_state, atom, &state, &num)) {
 663         gulong i;
 664         for (i = 0; i < num; ++i) {
 665             if (state[i] == prop_atoms.net_wm_state_modal)
 666                 self->modal = TRUE;
 667             else if (state[i] == prop_atoms.net_wm_state_shaded)
 668                 self->shaded = TRUE;
 669             else if (state[i] == prop_atoms.net_wm_state_hidden)
 670                 self->iconic = TRUE;
 671             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 672                 self->skip_taskbar = TRUE;
 673             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 674                 self->skip_pager = TRUE;
 675             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 676                 self->fullscreen = TRUE;
 677             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 678                 self->max_vert = TRUE;
 679             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 680                 self->max_horz = TRUE;
 681             else if (state[i] == prop_atoms.net_wm_state_above)
 682                 self->above = TRUE;
 683             else if (state[i] == prop_atoms.net_wm_state_below)
 684                 self->below = TRUE;
 685         }
 686
 687         g_free(state);
 688     }
 689 }
 690
 691 static void client_get_shaped(ObClient *self)
 692 {
 693     self->shaped = FALSE;
 694 #ifdef   SHAPE
 695     if (extensions_shape) {
 696         int foo;
 697         guint ufoo;
 698         int s;
 699
 700         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 701
 702         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 703                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 704                            &ufoo);
 705         self->shaped = (s != 0);
 706     }
 707 #endif
 708 }
 709
 710 void client_update_transient_for(ObClient *self)
 711 {
 712     Window t = None;
 713     ObClient *target = NULL;
 714
 715     if (XGetTransientForHint(ob_display, self->window, &t)) {
 716         self->transient = TRUE;
 717         if (t != self->window) { /* cant be transient to itself! */
 718             target = g_hash_table_lookup(window_map, &t);
 719             /* if this happens then we need to check for it*/
 720             g_assert(target != self);
 721             g_assert(!target || WINDOW_IS_CLIENT(target));
 722
 723             if (!target && self->group) {
 724                 /* not transient to a client, see if it is transient for a
 725                    group */
 726                 if (t == self->group->leader ||
 727                     t == None ||
 728                     t == RootWindow(ob_display, ob_screen)) {
 729                     /* window is a transient for its group! */
 730                     target = OB_TRAN_GROUP;
 731                 }
 732             }
 733         }
 734     } else
 735         self->transient = FALSE;
 736
 737     /* if anything has changed... */
 738     if (target != self->transient_for) {
 739         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 740             GSList *it;
 741
 742             /* remove from old parents */
 743             for (it = self->group->members; it; it = g_slist_next(it)) {
 744                 ObClient *c = it->data;
 745                 if (c != self && !c->transient_for)
 746                     c->transients = g_slist_remove(c->transients, self);
 747             }
 748         } else if (self->transient_for != NULL) { /* transient of window */
 749             /* remove from old parent */
 750             self->transient_for->transients =
 751                 g_slist_remove(self->transient_for->transients, self);
 752         }
 753         self->transient_for = target;
 754         if (self->transient_for == OB_TRAN_GROUP) { /* transient of group */
 755             GSList *it;
 756
 757             /* add to new parents */
 758             for (it = self->group->members; it; it = g_slist_next(it)) {
 759                 ObClient *c = it->data;
 760                 if (c != self && !c->transient_for)
 761                     c->transients = g_slist_append(c->transients, self);
 762             }
 763
 764             /* remove all transients which are in the group, that causes
 765                circlular pointer hell of doom */
 766             for (it = self->group->members; it; it = g_slist_next(it)) {
 767                 GSList *sit, *next;
 768                 for (sit = self->transients; sit; sit = next) {
 769                     next = g_slist_next(sit);
 770                     if (sit->data == it->data)
 771                         self->transients =
 772                             g_slist_delete_link(self->transients, sit);
 773                 }
 774             }
 775         } else if (self->transient_for != NULL) { /* transient of window */
 776             /* add to new parent */
 777             self->transient_for->transients =
 778                 g_slist_append(self->transient_for->transients, self);
 779         }
 780     }
 781 }
 782
 783 static void client_get_mwm_hints(ObClient *self)
 784 {
 785     guint num;
 786     guint32 *hints;
 787
 788     self->mwmhints.flags = 0; /* default to none */
 789
 790     if (PROP_GETA32(self->window, motif_wm_hints, motif_wm_hints,
 791                     &hints, &num)) {
 792         if (num >= OB_MWM_ELEMENTS) {
 793             self->mwmhints.flags = hints[0];
 794             self->mwmhints.functions = hints[1];
 795             self->mwmhints.decorations = hints[2];
 796         }
 797         g_free(hints);
 798     }
 799 }
 800
 801 void client_get_type(ObClient *self)
 802 {
 803     guint num, i;
 804     guint32 *val;
 805
 806     self->type = -1;
 807
 808     if (PROP_GETA32(self->window, net_wm_window_type, atom, &val, &num)) {
 809         /* use the first value that we know about in the array */
 810         for (i = 0; i < num; ++i) {
 811             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 812                 self->type = OB_CLIENT_TYPE_DESKTOP;
 813             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 814                 self->type = OB_CLIENT_TYPE_DOCK;
 815             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 816                 self->type = OB_CLIENT_TYPE_TOOLBAR;
 817             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 818                 self->type = OB_CLIENT_TYPE_MENU;
 819             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 820                 self->type = OB_CLIENT_TYPE_UTILITY;
 821             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 822                 self->type = OB_CLIENT_TYPE_SPLASH;
 823             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 824                 self->type = OB_CLIENT_TYPE_DIALOG;
 825             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 826                 self->type = OB_CLIENT_TYPE_NORMAL;
 827             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 828                 /* prevent this window from getting any decor or
 829                    functionality */
 830                 self->mwmhints.flags &= (OB_MWM_FLAG_FUNCTIONS |
 831                                          OB_MWM_FLAG_DECORATIONS);
 832                 self->mwmhints.decorations = 0;
 833                 self->mwmhints.functions = 0;
 834             }
 835             if (self->type != (ObClientType) -1)
 836                 break; /* grab the first legit type */
 837         }
 838         g_free(val);
 839     }
 840
 841     if (self->type == (ObClientType) -1) {
 842         /*the window type hint was not set, which means we either classify
 843           ourself as a normal window or a dialog, depending on if we are a
 844           transient. */
 845         if (self->transient)
 846             self->type = OB_CLIENT_TYPE_DIALOG;
 847         else
 848             self->type = OB_CLIENT_TYPE_NORMAL;
 849     }
 850 }
 851
 852 void client_update_protocols(ObClient *self)
 853 {
 854     guint32 *proto;
 855     guint num_return, i;
 856
 857     self->focus_notify = FALSE;
 858     self->delete_window = FALSE;
 859
 860     if (PROP_GETA32(self->window, wm_protocols, atom, &proto, &num_return)) {
 861         for (i = 0; i < num_return; ++i) {
 862             if (proto[i] == prop_atoms.wm_delete_window) {
 863                 /* this means we can request the window to close */
 864                 self->delete_window = TRUE;
 865             } else if (proto[i] == prop_atoms.wm_take_focus)
 866                 /* if this protocol is requested, then the window will be
 867                    notified whenever we want it to receive focus */
 868                 self->focus_notify = TRUE;
 869         }
 870         g_free(proto);
 871     }
 872 }
 873
 874 static void client_get_gravity(ObClient *self)
 875 {
 876     XWindowAttributes wattrib;
 877     Status ret;
 878
 879     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 880     g_assert(ret != BadWindow);
 881     self->gravity = wattrib.win_gravity;
 882 }
 883
 884 void client_update_normal_hints(ObClient *self)
 885 {
 886     XSizeHints size;
 887     long ret;
 888     int oldgravity = self->gravity;
 889
 890     /* defaults */
 891     self->min_ratio = 0.0f;
 892     self->max_ratio = 0.0f;
 893     SIZE_SET(self->size_inc, 1, 1);
 894     SIZE_SET(self->base_size, 0, 0);
 895     SIZE_SET(self->min_size, 0, 0);
 896     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
 897
 898     /* get the hints from the window */
 899     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
 900         self->positioned = !!(size.flags & (PPosition|USPosition));
 901
 902         if (size.flags & PWinGravity) {
 903             self->gravity = size.win_gravity;
 904
 905             /* if the client has a frame, i.e. has already been mapped and
 906                is changing its gravity */
 907             if (self->frame && self->gravity != oldgravity) {
 908                 /* move our idea of the client's position based on its new
 909                    gravity */
 910                 self->area.x = self->frame->area.x;
 911                 self->area.y = self->frame->area.y;
 912                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
 913             }
 914         }
 915
 916         if (size.flags & PAspect) {
 917             if (size.min_aspect.y)
 918                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
 919             if (size.max_aspect.y)
 920                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
 921         }
 922
 923         if (size.flags & PMinSize)
 924             SIZE_SET(self->min_size, size.min_width, size.min_height);
 925
 926         if (size.flags & PMaxSize)
 927             SIZE_SET(self->max_size, size.max_width, size.max_height);
 928
 929         if (size.flags & PBaseSize)
 930             SIZE_SET(self->base_size, size.base_width, size.base_height);
 931
 932         if (size.flags & PResizeInc)
 933             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
 934     }
 935 }
 936
 937 void client_setup_decor_and_functions(ObClient *self)
 938 {
 939     /* start with everything (cept fullscreen) */
 940     self->decorations = (OB_FRAME_DECOR_TITLEBAR |
 941                          OB_FRAME_DECOR_HANDLE |
 942                          OB_FRAME_DECOR_GRIPS |
 943                          OB_FRAME_DECOR_BORDER |
 944                          OB_FRAME_DECOR_ICON |
 945                          OB_FRAME_DECOR_ALLDESKTOPS |
 946                          OB_FRAME_DECOR_ICONIFY |
 947                          OB_FRAME_DECOR_MAXIMIZE |
 948                          OB_FRAME_DECOR_SHADE);
 949     self->functions = (OB_CLIENT_FUNC_RESIZE |
 950                        OB_CLIENT_FUNC_MOVE |
 951                        OB_CLIENT_FUNC_ICONIFY |
 952                        OB_CLIENT_FUNC_MAXIMIZE |
 953                        OB_CLIENT_FUNC_SHADE);
 954     if (self->delete_window) {
 955         self->functions |= OB_CLIENT_FUNC_CLOSE;
 956         self->decorations |= OB_FRAME_DECOR_CLOSE;
 957     }
 958
 959     if (!(self->min_size.width < self->max_size.width ||
 960           self->min_size.height < self->max_size.height))
 961         self->functions &= ~OB_CLIENT_FUNC_RESIZE;
 962
 963     switch (self->type) {
 964     case OB_CLIENT_TYPE_NORMAL:
 965         /* normal windows retain all of the possible decorations and
 966            functionality, and are the only windows that you can fullscreen */
 967         self->functions |= OB_CLIENT_FUNC_FULLSCREEN;
 968         break;
 969
 970     case OB_CLIENT_TYPE_DIALOG:
 971     case OB_CLIENT_TYPE_UTILITY:
 972         /* these windows cannot be maximized */
 973         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
 974         break;
 975
 976     case OB_CLIENT_TYPE_MENU:
 977     case OB_CLIENT_TYPE_TOOLBAR:
 978         /* these windows get less functionality */
 979         self->functions &= ~(OB_CLIENT_FUNC_ICONIFY | OB_CLIENT_FUNC_RESIZE);
 980         break;
 981
 982     case OB_CLIENT_TYPE_DESKTOP:
 983     case OB_CLIENT_TYPE_DOCK:
 984     case OB_CLIENT_TYPE_SPLASH:
 985         /* none of these windows are manipulated by the window manager */
 986         self->decorations = 0;
 987         self->functions = 0;
 988         break;
 989     }
 990
 991     /* Mwm Hints are applied subtractively to what has already been chosen for
 992        decor and functionality */
 993     if (self->mwmhints.flags & OB_MWM_FLAG_DECORATIONS) {
 994         if (! (self->mwmhints.decorations & OB_MWM_DECOR_ALL)) {
 995             if (! ((self->mwmhints.decorations & OB_MWM_DECOR_HANDLE) ||
 996                    (self->mwmhints.decorations & OB_MWM_DECOR_TITLE)))
 997                 /* if the mwm hints request no handle or title, then all
 998                    decorations are disabled */
 999                 self->decorations = 0;
1000         }
1001     }
1002
1003     if (self->mwmhints.flags & OB_MWM_FLAG_FUNCTIONS) {
1004         if (! (self->mwmhints.functions & OB_MWM_FUNC_ALL)) {
1005             if (! (self->mwmhints.functions & OB_MWM_FUNC_RESIZE))
1006                 self->functions &= ~OB_CLIENT_FUNC_RESIZE;
1007             if (! (self->mwmhints.functions & OB_MWM_FUNC_MOVE))
1008                 self->functions &= ~OB_CLIENT_FUNC_MOVE;
1009             /* dont let mwm hints kill any buttons
1010             if (! (self->mwmhints.functions & OB_MWM_FUNC_ICONIFY))
1011                 self->functions &= ~OB_CLIENT_FUNC_ICONIFY;
1012             if (! (self->mwmhints.functions & OB_MWM_FUNC_MAXIMIZE))
1013                 self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1014             */
1015             /* dont let mwm hints kill the close button
1016                if (! (self->mwmhints.functions & MwmFunc_Close))
1017                self->functions &= ~OB_CLIENT_FUNC_CLOSE; */
1018         }
1019     }
1020
1021     if (!(self->functions & OB_CLIENT_FUNC_SHADE))
1022         self->decorations &= ~OB_FRAME_DECOR_SHADE;
1023     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY))
1024         self->decorations &= ~OB_FRAME_DECOR_ICONIFY;
1025     if (!(self->functions & OB_CLIENT_FUNC_RESIZE))
1026         self->decorations &= ~OB_FRAME_DECOR_GRIPS;
1027
1028     /* can't maximize without moving/resizing */
1029     if (!((self->functions & OB_CLIENT_FUNC_MAXIMIZE) &&
1030           (self->functions & OB_CLIENT_FUNC_MOVE) &&
1031           (self->functions & OB_CLIENT_FUNC_RESIZE))) {
1032         self->functions &= ~OB_CLIENT_FUNC_MAXIMIZE;
1033         self->decorations &= ~OB_FRAME_DECOR_MAXIMIZE;
1034     }
1035
1036     /* finally, the user can have requested no decorations, which overrides
1037        everything */
1038     if (!self->decorate)
1039         self->decorations = 0;
1040
1041     /* if we don't have a titlebar, then we cannot shade! */
1042     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1043         self->functions &= ~OB_CLIENT_FUNC_SHADE;
1044
1045     /* now we need to check against rules for the client's current state */
1046     if (self->fullscreen) {
1047         self->functions &= (OB_CLIENT_FUNC_CLOSE |
1048                             OB_CLIENT_FUNC_FULLSCREEN |
1049                             OB_CLIENT_FUNC_ICONIFY);
1050         self->decorations = 0;
1051     }
1052
1053     client_change_allowed_actions(self);
1054
1055     if (self->frame) {
1056         /* this makes sure that these windows appear on all desktops */
1057         if (self->type == OB_CLIENT_TYPE_DESKTOP &&
1058             self->desktop != DESKTOP_ALL)
1059             client_set_desktop(self, DESKTOP_ALL, FALSE);
1060
1061         /* adjust the client's decorations, etc. */
1062         client_reconfigure(self);
1063     } else {
1064         /* this makes sure that these windows appear on all desktops */
1065         if (self->type == OB_CLIENT_TYPE_DESKTOP &&
1066             self->desktop != DESKTOP_ALL)
1067         {
1068             self->desktop = DESKTOP_ALL;
1069         }
1070     }
1071 }
1072
1073 static void client_change_allowed_actions(ObClient *self)
1074 {
1075     guint32 actions[9];
1076     int num = 0;
1077
1078     /* desktop windows are kept on all desktops */
1079     if (self->type != OB_CLIENT_TYPE_DESKTOP)
1080         actions[num++] = prop_atoms.net_wm_action_change_desktop;
1081
1082     if (self->functions & OB_CLIENT_FUNC_SHADE)
1083         actions[num++] = prop_atoms.net_wm_action_shade;
1084     if (self->functions & OB_CLIENT_FUNC_CLOSE)
1085         actions[num++] = prop_atoms.net_wm_action_close;
1086     if (self->functions & OB_CLIENT_FUNC_MOVE)
1087         actions[num++] = prop_atoms.net_wm_action_move;
1088     if (self->functions & OB_CLIENT_FUNC_ICONIFY)
1089         actions[num++] = prop_atoms.net_wm_action_minimize;
1090     if (self->functions & OB_CLIENT_FUNC_RESIZE)
1091         actions[num++] = prop_atoms.net_wm_action_resize;
1092     if (self->functions & OB_CLIENT_FUNC_FULLSCREEN)
1093         actions[num++] = prop_atoms.net_wm_action_fullscreen;
1094     if (self->functions & OB_CLIENT_FUNC_MAXIMIZE) {
1095         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
1096         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
1097     }
1098
1099     PROP_SETA32(self->window, net_wm_allowed_actions, atom, actions, num);
1100
1101     /* make sure the window isn't breaking any rules now */
1102
1103     if (!(self->functions & OB_CLIENT_FUNC_SHADE) && self->shaded) {
1104         if (self->frame) client_shade(self, FALSE);
1105         else self->shaded = FALSE;
1106     }
1107     if (!(self->functions & OB_CLIENT_FUNC_ICONIFY) && self->iconic) {
1108         g_message("UNSETTING ICONIC");
1109         if (self->frame) client_iconify(self, FALSE, TRUE);
1110         else self->iconic = FALSE;
1111     }
1112     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) && self->fullscreen) {
1113         if (self->frame) client_fullscreen(self, FALSE, TRUE);
1114         else self->fullscreen = FALSE;
1115     }
1116     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE) && (self->max_horz ||
1117                                                          self->max_vert)) {
1118         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
1119         else self->max_vert = self->max_horz = FALSE;
1120     }
1121 }
1122
1123 void client_reconfigure(ObClient *self)
1124 {
1125     /* by making this pass FALSE for user, we avoid the emacs event storm where
1126        every configurenotify causes an update in its normal hints, i think this
1127        is generally what we want anyways... */
1128     client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y,
1129                      self->area.width, self->area.height, FALSE, TRUE);
1130 }
1131
1132 void client_update_wmhints(ObClient *self)
1133 {
1134     XWMHints *hints;
1135     gboolean ur = FALSE;
1136     GSList *it;
1137
1138     /* assume a window takes input if it doesnt specify */
1139     self->can_focus = TRUE;
1140
1141     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
1142         if (hints->flags & InputHint)
1143             self->can_focus = hints->input;
1144
1145         /* only do this when first managing the window *AND* when we aren't
1146            starting up! */
1147         if (ob_state() != OB_STATE_STARTING && self->frame == NULL)
1148             if (hints->flags & StateHint)
1149                 self->iconic = hints->initial_state == IconicState;
1150
1151         if (hints->flags & XUrgencyHint)
1152             ur = TRUE;
1153
1154         if (!(hints->flags & WindowGroupHint))
1155             hints->window_group = None;
1156
1157         /* did the group state change? */
1158         if (hints->window_group !=
1159             (self->group ? self->group->leader : None)) {
1160             /* remove from the old group if there was one */
1161             if (self->group != NULL) {
1162                 /* remove transients of the group */
1163                 for (it = self->group->members; it; it = it->next)
1164                     self->transients = g_slist_remove(self->transients,
1165                                                       it->data);
1166                 group_remove(self->group, self);
1167                 self->group = NULL;
1168             }
1169             if (hints->window_group != None) {
1170                 self->group = group_add(hints->window_group, self);
1171
1172                 /* i can only have transients from the group if i am not
1173                    transient myself */
1174                 if (!self->transient_for) {
1175                     /* add other transients of the group that are already
1176                        set up */
1177                     for (it = self->group->members; it; it = it->next) {
1178                         ObClient *c = it->data;
1179                         if (c != self && c->transient_for == OB_TRAN_GROUP)
1180                             self->transients =
1181                                 g_slist_append(self->transients, c);
1182                     }
1183                 }
1184             }
1185
1186             /* the WM_HINTS can contain an icon */
1187             client_update_icons(self);
1188
1189             /* because the self->transient flag wont change from this call,
1190                we don't need to update the window's type and such, only its
1191                transient_for, and the transients lists of other windows in
1192                the group may be affected */
1193             client_update_transient_for(self);
1194         }
1195
1196         XFree(hints);
1197     }
1198
1199     if (ur != self->urgent) {
1200         self->urgent = ur;
1201         g_message("Urgent Hint for 0x%lx: %s", self->window,
1202                   ur ? "ON" : "OFF");
1203         /* fire the urgent callback if we're mapped, otherwise, wait until
1204            after we're mapped */
1205         if (self->frame)
1206             dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1207     }
1208 }
1209
1210 void client_update_title(ObClient *self)
1211 {
1212     GList *it;
1213     guint32 nums;
1214     guint i;
1215     char *data = NULL;
1216     gboolean read_title;
1217
1218     g_free(self->title);
1219
1220     /* try netwm */
1221     if (!PROP_GETS(self->window, net_wm_name, utf8, &data))
1222         /* try old x stuff */
1223         if (!PROP_GETS(self->window, wm_name, locale, &data))
1224             data = g_strdup("Unnamed Window");
1225
1226     /* look for duplicates and append a number */
1227     nums = 0;
1228     for (it = client_list; it; it = it->next)
1229         if (it->data != self) {
1230             ObClient *c = it->data;
1231             if (0 == strncmp(c->title, data, strlen(data)))
1232                 nums |= 1 << c->title_count;
1233         }
1234     /* find first free number */
1235     for (i = 1; i <= 32; ++i)
1236         if (!(nums & (1 << i))) {
1237             if (self->title_count == 1 || i == 1)
1238                 self->title_count = i;
1239             break;
1240         }
1241     /* dont display the number for the first window */
1242     if (self->title_count > 1) {
1243         char *vdata, *ndata;
1244         ndata = g_strdup_printf(" - [%u]", self->title_count);
1245         vdata = g_strconcat(data, ndata, NULL);
1246         g_free(ndata);
1247         g_free(data);
1248         data = vdata;
1249     }
1250
1251     PROP_SETS(self->window, net_wm_visible_name, data);
1252
1253     self->title = data;
1254
1255     if (self->frame)
1256         frame_adjust_title(self->frame);
1257
1258     /* update the icon title */
1259     data = NULL;
1260     g_free(self->icon_title);
1261
1262     read_title = TRUE;
1263     /* try netwm */
1264     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, &data))
1265         /* try old x stuff */
1266         if (!PROP_GETS(self->window, wm_icon_name, locale, &data)) {
1267             data = g_strdup(self->title);
1268             read_title = FALSE;
1269         }
1270
1271     /* append the title count, dont display the number for the first window */
1272     if (read_title && self->title_count > 1) {
1273         char *vdata, *ndata;
1274         ndata = g_strdup_printf(" - [%u]", self->title_count);
1275         vdata = g_strconcat(data, ndata, NULL);
1276         g_free(ndata);
1277         g_free(data);
1278         data = vdata;
1279     }
1280
1281     PROP_SETS(self->window, net_wm_visible_icon_name, data);
1282
1283     self->icon_title = data;
1284 }
1285
1286 void client_update_class(ObClient *self)
1287 {
1288     char **data;
1289     char *s;
1290
1291     if (self->name) g_free(self->name);
1292     if (self->class) g_free(self->class);
1293     if (self->role) g_free(self->role);
1294
1295     self->name = self->class = self->role = NULL;
1296
1297     if (PROP_GETSS(self->window, wm_class, locale, &data)) {
1298         if (data[0]) {
1299             self->name = g_strdup(data[0]);
1300             if (data[1])
1301                 self->class = g_strdup(data[1]);
1302         }
1303         g_strfreev(data);
1304     }
1305
1306     if (PROP_GETS(self->window, wm_window_role, locale, &s))
1307         self->role = g_strdup(s);
1308
1309     if (self->name == NULL) self->name = g_strdup("");
1310     if (self->class == NULL) self->class = g_strdup("");
1311     if (self->role == NULL) self->role = g_strdup("");
1312 }
1313
1314 void client_update_strut(ObClient *self)
1315 {
1316     guint num;
1317     guint32 *data;
1318
1319     if (!PROP_GETA32(self->window, net_wm_strut, cardinal, &data, &num)) {
1320         STRUT_SET(self->strut, 0, 0, 0, 0);
1321     } else {
1322         if (num == 4)
1323             STRUT_SET(self->strut, data[0], data[2], data[1], data[3]);
1324         else
1325             STRUT_SET(self->strut, 0, 0, 0, 0);
1326         g_free(data);
1327     }
1328
1329     /* updating here is pointless while we're being mapped cuz we're not in
1330        the client list yet */
1331     if (self->frame)
1332         screen_update_areas();
1333 }
1334
1335 void client_update_icons(ObClient *self)
1336 {
1337     guint num;
1338     guint32 *data;
1339     guint w, h, i, j;
1340
1341     for (i = 0; i < self->nicons; ++i)
1342         g_free(self->icons[i].data);
1343     if (self->nicons > 0)
1344         g_free(self->icons);
1345     self->nicons = 0;
1346
1347     if (PROP_GETA32(self->window, net_wm_icon, cardinal, &data, &num)) {
1348         /* figure out how many valid icons are in here */
1349         i = 0;
1350         while (num - i > 2) {
1351             w = data[i++];
1352             h = data[i++];
1353             i += w * h;
1354             if (i > num || w*h == 0) break;
1355             ++self->nicons;
1356         }
1357
1358         self->icons = g_new(ObClientIcon, self->nicons);
1359
1360         /* store the icons */
1361         i = 0;
1362         for (j = 0; j < self->nicons; ++j) {
1363             guint x, y, t;
1364
1365             w = self->icons[j].width = data[i++];
1366             h = self->icons[j].height = data[i++];
1367
1368             if (w*h == 0) continue;
1369
1370             self->icons[j].data = g_new(RrPixel32, w * h);
1371             for (x = 0, y = 0, t = 0; t < w * h; ++t, ++x, ++i) {
1372                 if (x >= w) {
1373                     x = 0;
1374                     ++y;
1375                 }
1376                 self->icons[j].data[t] =
1377                     (((data[i] >> 24) & 0xff) << RrDefaultAlphaOffset) +
1378                     (((data[i] >> 16) & 0xff) << RrDefaultRedOffset) +
1379                     (((data[i] >> 8) & 0xff) << RrDefaultGreenOffset) +
1380                     (((data[i] >> 0) & 0xff) << RrDefaultBlueOffset);
1381             }
1382             g_assert(i <= num);
1383         }
1384
1385         g_free(data);
1386     } else if (PROP_GETA32(self->window, kwm_win_icon,
1387                            kwm_win_icon, &data, &num)) {
1388         if (num == 2) {
1389             self->nicons++;
1390             self->icons = g_new(ObClientIcon, self->nicons);
1391             xerror_set_ignore(TRUE);
1392             if (!RrPixmapToRGBA(ob_rr_inst,
1393                                 data[0], data[1],
1394                                 &self->icons[self->nicons-1].width,
1395                                 &self->icons[self->nicons-1].height,
1396                                 &self->icons[self->nicons-1].data)) {
1397                 g_free(&self->icons[self->nicons-1]);
1398                 self->nicons--;
1399             }
1400             xerror_set_ignore(FALSE);
1401         }
1402         g_free(data);
1403     } else {
1404         XWMHints *hints;
1405
1406         if ((hints = XGetWMHints(ob_display, self->window))) {
1407             if (hints->flags & IconPixmapHint) {
1408                 self->nicons++;
1409                 self->icons = g_new(ObClientIcon, self->nicons);
1410                 xerror_set_ignore(TRUE);
1411                 if (!RrPixmapToRGBA(ob_rr_inst,
1412                                     hints->icon_pixmap,
1413                                     (hints->flags & IconMaskHint ?
1414                                      hints->icon_mask : None),
1415                                     &self->icons[self->nicons-1].width,
1416                                     &self->icons[self->nicons-1].height,
1417                                     &self->icons[self->nicons-1].data)){
1418                     g_free(&self->icons[self->nicons-1]);
1419                     self->nicons--;
1420                 }
1421                 xerror_set_ignore(FALSE);
1422             }
1423             XFree(hints);
1424         }
1425     }
1426
1427     if (self->frame)
1428         frame_adjust_icon(self->frame);
1429 }
1430
1431 static void client_change_state(ObClient *self)
1432 {
1433     guint32 state[2];
1434     guint32 netstate[10];
1435     guint num;
1436
1437     state[0] = self->wmstate;
1438     state[1] = None;
1439     PROP_SETA32(self->window, wm_state, wm_state, state, 2);
1440
1441     num = 0;
1442     if (self->modal)
1443         netstate[num++] = prop_atoms.net_wm_state_modal;
1444     if (self->shaded)
1445         netstate[num++] = prop_atoms.net_wm_state_shaded;
1446     if (self->iconic)
1447         netstate[num++] = prop_atoms.net_wm_state_hidden;
1448     if (self->skip_taskbar)
1449         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1450     if (self->skip_pager)
1451         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1452     if (self->fullscreen)
1453         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1454     if (self->max_vert)
1455         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1456     if (self->max_horz)
1457         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1458     if (self->above)
1459         netstate[num++] = prop_atoms.net_wm_state_above;
1460     if (self->below)
1461         netstate[num++] = prop_atoms.net_wm_state_below;
1462     PROP_SETA32(self->window, net_wm_state, atom, netstate, num);
1463
1464     client_calc_layer(self);
1465
1466     if (self->frame)
1467         frame_adjust_state(self->frame);
1468 }
1469
1470 ObClient *client_search_focus_tree(ObClient *self)
1471 {
1472     GSList *it;
1473     ObClient *ret;
1474
1475     for (it = self->transients; it != NULL; it = it->next) {
1476         if (client_focused(it->data)) return it->data;
1477         if ((ret = client_search_focus_tree(it->data))) return ret;
1478     }
1479     return NULL;
1480 }
1481
1482 ObClient *client_search_focus_tree_full(ObClient *self)
1483 {
1484     if (self->transient_for) {
1485         if (self->transient_for != OB_TRAN_GROUP) {
1486             return client_search_focus_tree_full(self->transient_for);
1487         } else {
1488             GSList *it;
1489             gboolean recursed = FALSE;
1490
1491             for (it = self->group->members; it; it = it->next)
1492                 if (!((ObClient*)it->data)->transient_for) {
1493                     ObClient *c;
1494                     if ((c = client_search_focus_tree_full(it->data)))
1495                         return c;
1496                     recursed = TRUE;
1497                 }
1498             if (recursed)
1499               return NULL;
1500         }
1501     }
1502
1503     /* this function checks the whole tree, the client_search_focus_tree~
1504        does not, so we need to check this window */
1505     if (client_focused(self))
1506       return self;
1507     return client_search_focus_tree(self);
1508 }
1509
1510 static ObStackingLayer calc_layer(ObClient *self)
1511 {
1512     ObStackingLayer l;
1513
1514     if (self->fullscreen) l = OB_STACKING_LAYER_FULLSCREEN;
1515     else if (self->type == OB_CLIENT_TYPE_DESKTOP)
1516         l = OB_STACKING_LAYER_DESKTOP;
1517     else if (self->type == OB_CLIENT_TYPE_DOCK) {
1518         if (!self->below) l = OB_STACKING_LAYER_TOP;
1519         else l = OB_STACKING_LAYER_NORMAL;
1520     }
1521     else if (self->above) l = OB_STACKING_LAYER_ABOVE;
1522     else if (self->below) l = OB_STACKING_LAYER_BELOW;
1523     else l = OB_STACKING_LAYER_NORMAL;
1524
1525     return l;
1526 }
1527
1528 static void client_calc_layer_recursive(ObClient *self, ObClient *orig,
1529                                         ObStackingLayer l, gboolean raised)
1530 {
1531     ObStackingLayer old, own;
1532     GSList *it;
1533
1534     old = self->layer;
1535     own = calc_layer(self);
1536     self->layer = l > own ? l : own;
1537
1538     for (it = self->transients; it; it = it->next)
1539         client_calc_layer_recursive(it->data, orig,
1540                                     l, raised ? raised : l != old);
1541
1542     if (!raised && l != old)
1543         if (orig->frame) { /* only restack if the original window is managed */
1544             /* XXX add_non_intrusive ever? */
1545             stacking_remove(CLIENT_AS_WINDOW(self));
1546             stacking_add(CLIENT_AS_WINDOW(self));
1547         }
1548 }
1549
1550 void client_calc_layer(ObClient *self)
1551 {
1552     ObStackingLayer l;
1553     ObClient *orig;
1554
1555     orig = self;
1556
1557     /* transients take on the layer of their parents */
1558     self = client_search_top_transient(self);
1559
1560     l = calc_layer(self);
1561
1562     client_calc_layer_recursive(self, orig, l, FALSE);
1563 }
1564
1565 gboolean client_should_show(ObClient *self)
1566 {
1567     if (self->iconic) return FALSE;
1568     else if (!(self->desktop == screen_desktop ||
1569                self->desktop == DESKTOP_ALL)) return FALSE;
1570     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1571
1572     return TRUE;
1573 }
1574
1575 static void client_showhide(ObClient *self)
1576 {
1577
1578     if (client_should_show(self))
1579         frame_show(self->frame);
1580     else
1581         frame_hide(self->frame);
1582 }
1583
1584 gboolean client_normal(ObClient *self) {
1585     return ! (self->type == OB_CLIENT_TYPE_DESKTOP ||
1586               self->type == OB_CLIENT_TYPE_DOCK ||
1587               self->type == OB_CLIENT_TYPE_SPLASH);
1588 }
1589
1590 static void client_apply_startup_state(ObClient *self)
1591 {
1592     /* these are in a carefully crafted order.. */
1593
1594     if (self->iconic) {
1595         self->iconic = FALSE;
1596         client_iconify(self, TRUE, FALSE);
1597     }
1598     if (self->fullscreen) {
1599         self->fullscreen = FALSE;
1600         client_fullscreen(self, TRUE, FALSE);
1601     }
1602     if (self->shaded) {
1603         self->shaded = FALSE;
1604         client_shade(self, TRUE);
1605     }
1606     if (self->urgent)
1607         dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1608
1609     if (self->max_vert && self->max_horz) {
1610         self->max_vert = self->max_horz = FALSE;
1611         client_maximize(self, TRUE, 0, FALSE);
1612     } else if (self->max_vert) {
1613         self->max_vert = FALSE;
1614         client_maximize(self, TRUE, 2, FALSE);
1615     } else if (self->max_horz) {
1616         self->max_horz = FALSE;
1617         client_maximize(self, TRUE, 1, FALSE);
1618     }
1619
1620     /* nothing to do for the other states:
1621        skip_taskbar
1622        skip_pager
1623        modal
1624        above
1625        below
1626     */
1627 }
1628
1629 void client_configure(ObClient *self, ObCorner anchor,
1630                       int x, int y, int w, int h,
1631                       gboolean user, gboolean final)
1632 {
1633     gboolean moved = FALSE, resized = FALSE;
1634
1635     /* gets the frame's position */
1636     frame_client_gravity(self->frame, &x, &y);
1637
1638     /* these positions are frame positions, not client positions */
1639
1640     /* set the size and position if fullscreen */
1641     if (self->fullscreen) {
1642 #ifdef VIDMODE
1643         int dot;
1644         XF86VidModeModeLine mode;
1645 #endif
1646         Rect *a;
1647         guint i;
1648
1649         i = client_monitor(self);
1650         a = screen_physical_area_monitor(i);
1651
1652 #ifdef VIDMODE
1653         if (i == 0 && /* primary head */
1654             extensions_vidmode &&
1655             XF86VidModeGetViewPort(ob_display, ob_screen, &x, &y) &&
1656             /* get the mode last so the mode.privsize isnt freed incorrectly */
1657             XF86VidModeGetModeLine(ob_display, ob_screen, &dot, &mode)) {
1658             x += a->x;
1659             y += a->y;
1660             w = mode.hdisplay;
1661             h = mode.vdisplay;
1662             if (mode.privsize) XFree(mode.private);
1663         } else
1664 #endif
1665         {
1666             x = a->x;
1667             y = a->y;
1668             w = a->width;
1669             h = a->height;
1670         }
1671
1672         user = FALSE; /* ignore that increment etc shit when in fullscreen */
1673     } else {
1674         Rect *a;
1675
1676         a = screen_area_monitor(self->desktop, client_monitor(self));
1677
1678         /* set the size and position if maximized */
1679         if (self->max_horz) {
1680             x = a->x - self->frame->size.left;
1681             w = a->width;
1682         }
1683         if (self->max_vert) {
1684             y = a->y;
1685             h = a->height - self->frame->size.top - self->frame->size.bottom;
1686         }
1687     }
1688
1689     /* gets the client's position */
1690     frame_frame_gravity(self->frame, &x, &y);
1691
1692     /* these override the above states! if you cant move you can't move! */
1693     if (user) {
1694         if (!(self->functions & OB_CLIENT_FUNC_MOVE)) {
1695             x = self->area.x;
1696             y = self->area.y;
1697         }
1698         if (!(self->functions & OB_CLIENT_FUNC_RESIZE)) {
1699             w = self->area.width;
1700             h = self->area.height;
1701         }
1702     }
1703
1704     if (!(w == self->area.width && h == self->area.height)) {
1705         int basew, baseh, minw, minh;
1706
1707         /* base size is substituted with min size if not specified */
1708         if (self->base_size.width || self->base_size.height) {
1709             basew = self->base_size.width;
1710             baseh = self->base_size.height;
1711         } else {
1712             basew = self->min_size.width;
1713             baseh = self->min_size.height;
1714         }
1715         /* min size is substituted with base size if not specified */
1716         if (self->min_size.width || self->min_size.height) {
1717             minw = self->min_size.width;
1718             minh = self->min_size.height;
1719         } else {
1720             minw = self->base_size.width;
1721             minh = self->base_size.height;
1722         }
1723
1724         if (user) {
1725             /* for interactive resizing. have to move half an increment in each
1726                direction. */
1727
1728             /* how far we are towards the next size inc */
1729             int mw = (w - basew) % self->size_inc.width;
1730             int mh = (h - baseh) % self->size_inc.height;
1731             /* amount to add */
1732             int aw = self->size_inc.width / 2;
1733             int ah = self->size_inc.height / 2;
1734             /* don't let us move into a new size increment */
1735             if (mw + aw >= self->size_inc.width)
1736                 aw = self->size_inc.width - mw - 1;
1737             if (mh + ah >= self->size_inc.height)
1738                 ah = self->size_inc.height - mh - 1;
1739             w += aw;
1740             h += ah;
1741
1742             /* if this is a user-requested resize, then check against min/max
1743                sizes */
1744
1745             /* smaller than min size or bigger than max size? */
1746             if (w > self->max_size.width) w = self->max_size.width;
1747             if (w < minw) w = minw;
1748             if (h > self->max_size.height) h = self->max_size.height;
1749             if (h < minh) h = minh;
1750         }
1751
1752         w -= basew;
1753         h -= baseh;
1754
1755         /* keep to the increments */
1756         w /= self->size_inc.width;
1757         h /= self->size_inc.height;
1758
1759         /* you cannot resize to nothing */
1760         if (w < 1) w = 1;
1761         if (h < 1) h = 1;
1762
1763         /* store the logical size */
1764         SIZE_SET(self->logical_size, w, h);
1765
1766         w *= self->size_inc.width;
1767         h *= self->size_inc.height;
1768
1769         w += basew;
1770         h += baseh;
1771
1772         if (user) {
1773             /* adjust the height to match the width for the aspect ratios.
1774              for this, min size is not substituted for base size ever. */
1775             w -= self->base_size.width;
1776             h -= self->base_size.height;
1777
1778             if (self->min_ratio)
1779                 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1780             if (self->max_ratio)
1781                 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1782
1783             w += self->base_size.width;
1784             h += self->base_size.height;
1785         }
1786     }
1787
1788     switch (anchor) {
1789     case OB_CORNER_TOPLEFT:
1790         break;
1791     case OB_CORNER_TOPRIGHT:
1792         x -= w - self->area.width;
1793         break;
1794     case OB_CORNER_BOTTOMLEFT:
1795         y -= h - self->area.height;
1796         break;
1797     case OB_CORNER_BOTTOMRIGHT:
1798         x -= w - self->area.width;
1799         y -= h - self->area.height;
1800         break;
1801     }
1802
1803     moved = x != self->area.x || y != self->area.y;
1804     resized = w != self->area.width || h != self->area.height;
1805
1806     RECT_SET(self->area, x, y, w, h);
1807
1808     /* for app-requested resizes, always resize if 'resized' is true.
1809        for user-requested ones, only resize if final is true, or when
1810        resizing in opaque mode */
1811     if ((!user && resized) ||
1812         (user && (final || (resized && config_opaque_resize))))
1813         XResizeWindow(ob_display, self->window, w, h);
1814
1815     /* move/resize the frame to match the request */
1816     if (self->frame) {
1817         if (self->decorations != self->frame->decorations)
1818             moved = resized = TRUE;
1819
1820         if (moved || resized)
1821             frame_adjust_area(self->frame, moved, resized);
1822
1823         /* If you send this and the client hasn't changed you end up with buggy
1824            clients (emacs) freaking out, cuz they send back a configure every
1825            time they receive this event, which resends them this event... etc.
1826         */
1827         if ((!user && moved) || (user && final)) {
1828             XEvent event;
1829             event.type = ConfigureNotify;
1830             event.xconfigure.display = ob_display;
1831             event.xconfigure.event = self->window;
1832             event.xconfigure.window = self->window;
1833
1834             /* root window real coords */
1835             event.xconfigure.x = self->frame->area.x + self->frame->size.left;
1836             event.xconfigure.y = self->frame->area.y + self->frame->size.top;
1837
1838             event.xconfigure.width = w;
1839             event.xconfigure.height = h;
1840             event.xconfigure.border_width = 0;
1841             event.xconfigure.above = self->frame->plate;
1842             event.xconfigure.override_redirect = FALSE;
1843             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1844                        FALSE, StructureNotifyMask, &event);
1845         }
1846     }
1847 }
1848
1849 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea)
1850 {
1851     int x, y, w, h;
1852
1853     if (!(self->functions & OB_CLIENT_FUNC_FULLSCREEN) || /* can't */
1854         self->fullscreen == fs) return;                   /* already done */
1855
1856     self->fullscreen = fs;
1857     client_change_state(self); /* change the state hints on the client,
1858                                   and adjust out layer/stacking */
1859
1860     if (fs) {
1861         if (savearea) {
1862             guint32 dimensions[4];
1863             dimensions[0] = self->area.x;
1864             dimensions[1] = self->area.y;
1865             dimensions[2] = self->area.width;
1866             dimensions[3] = self->area.height;
1867
1868             PROP_SETA32(self->window, openbox_premax, cardinal,
1869                         dimensions, 4);
1870         }
1871
1872         /* these are not actually used cuz client_configure will set them
1873            as appropriate when the window is fullscreened */
1874         x = y = w = h = 0;
1875     } else {
1876         guint num;
1877         gint32 *dimensions;
1878         Rect *a;
1879
1880         /* pick some fallbacks... */
1881         a = screen_area_monitor(self->desktop, 0);
1882         x = a->x + a->width / 4;
1883         y = a->y + a->height / 4;
1884         w = a->width / 2;
1885         h = a->height / 2;
1886
1887         if (PROP_GETA32(self->window, openbox_premax, cardinal,
1888                         (guint32**)&dimensions, &num)) {
1889             if (num == 4) {
1890                 x = dimensions[0];
1891                 y = dimensions[1];
1892                 w = dimensions[2];
1893                 h = dimensions[3];
1894             }
1895             g_free(dimensions);
1896         }
1897     }
1898
1899     client_setup_decor_and_functions(self);
1900
1901     client_configure(self, OB_CORNER_TOPLEFT, x, y, w, h, TRUE, TRUE);
1902
1903     /* try focus us when we go into fullscreen mode */
1904     client_focus(self);
1905 }
1906
1907 static void client_iconify_recursive(ObClient *self,
1908                                      gboolean iconic, gboolean curdesk)
1909 {
1910     GSList *it;
1911     gboolean changed = FALSE;
1912
1913
1914     if (self->iconic != iconic) {
1915         g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1916                   self->window);
1917
1918         self->iconic = iconic;
1919
1920         if (iconic) {
1921             if (self->functions & OB_CLIENT_FUNC_ICONIFY) {
1922                 self->wmstate = IconicState;
1923                 self->ignore_unmaps++;
1924                 /* we unmap the client itself so that we can get MapRequest
1925                    events, and because the ICCCM tells us to! */
1926                 XUnmapWindow(ob_display, self->window);
1927
1928                 /* update the focus lists.. iconic windows go to the bottom of
1929                    the list, put the new iconic window at the 'top of the
1930                    bottom'. */
1931                 focus_order_to_top(self);
1932
1933                 changed = TRUE;
1934             }
1935         } else {
1936             if (curdesk)
1937                 client_set_desktop(self, screen_desktop, FALSE);
1938             self->wmstate = self->shaded ? IconicState : NormalState;
1939             XMapWindow(ob_display, self->window);
1940
1941             /* this puts it after the current focused window */
1942             focus_order_remove(self);
1943             focus_order_add_new(self);
1944
1945             /* this is here cuz with the VIDMODE extension, the viewport can
1946                change while a fullscreen window is iconic, and when it
1947                uniconifies, it would be nice if it did so to the new position
1948                of the viewport */
1949             client_reconfigure(self);
1950
1951             changed = TRUE;
1952         }
1953     }
1954
1955     if (changed) {
1956         client_change_state(self);
1957         client_showhide(self);
1958         screen_update_areas();
1959
1960         dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1961                         self, 0, 0);
1962     }
1963
1964     /* iconify all transients */
1965     for (it = self->transients; it != NULL; it = it->next)
1966         if (it->data != self) client_iconify_recursive(it->data,
1967                                                        iconic, curdesk);
1968 }
1969
1970 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk)
1971 {
1972     /* move up the transient chain as far as possible first */
1973     self = client_search_top_transient(self);
1974
1975     client_iconify_recursive(client_search_top_transient(self),
1976                              iconic, curdesk);
1977 }
1978
1979 void client_maximize(ObClient *self, gboolean max, int dir, gboolean savearea)
1980 {
1981     int x, y, w, h;
1982
1983     g_assert(dir == 0 || dir == 1 || dir == 2);
1984     if (!(self->functions & OB_CLIENT_FUNC_MAXIMIZE)) return; /* can't */
1985
1986     /* check if already done */
1987     if (max) {
1988         if (dir == 0 && self->max_horz && self->max_vert) return;
1989         if (dir == 1 && self->max_horz) return;
1990         if (dir == 2 && self->max_vert) return;
1991     } else {
1992         if (dir == 0 && !self->max_horz && !self->max_vert) return;
1993         if (dir == 1 && !self->max_horz) return;
1994         if (dir == 2 && !self->max_vert) return;
1995     }
1996
1997     /* work with the frame's coords */
1998     x = self->frame->area.x;
1999     y = self->frame->area.y;
2000     w = self->area.width;
2001     h = self->area.height;
2002
2003     if (max) {
2004         if (savearea) {
2005             gint32 dimensions[4];
2006             gint32 *readdim;
2007             guint num;
2008
2009             dimensions[0] = x;
2010             dimensions[1] = y;
2011             dimensions[2] = w;
2012             dimensions[3] = h;
2013
2014             /* get the property off the window and use it for the dimensions
2015                we are already maxed on */
2016             if (PROP_GETA32(self->window, openbox_premax, cardinal,
2017                             (guint32**)&readdim, &num)) {
2018                 if (num == 4) {
2019                     if (self->max_horz) {
2020                         dimensions[0] = readdim[0];
2021                         dimensions[2] = readdim[2];
2022                     }
2023                     if (self->max_vert) {
2024                         dimensions[1] = readdim[1];
2025                         dimensions[3] = readdim[3];
2026                     }
2027                 }
2028                 g_free(readdim);
2029             }
2030
2031             PROP_SETA32(self->window, openbox_premax, cardinal,
2032                         (guint32*)dimensions, 4);
2033         }
2034     } else {
2035         guint num;
2036         gint32 *dimensions;
2037         Rect *a;
2038
2039         /* pick some fallbacks... */
2040         a = screen_area_monitor(self->desktop, 0);
2041         if (dir == 0 || dir == 1) { /* horz */
2042             x = a->x + a->width / 4;
2043             w = a->width / 2;
2044         }
2045         if (dir == 0 || dir == 2) { /* vert */
2046             y = a->y + a->height / 4;
2047             h = a->height / 2;
2048         }
2049
2050         if (PROP_GETA32(self->window, openbox_premax, cardinal,
2051                         (guint32**)&dimensions, &num)) {
2052             if (num == 4) {
2053                 if (dir == 0 || dir == 1) { /* horz */
2054                     x = dimensions[0];
2055                     w = dimensions[2];
2056                 }
2057                 if (dir == 0 || dir == 2) { /* vert */
2058                     y = dimensions[1];
2059                     h = dimensions[3];
2060                 }
2061             }
2062             g_free(dimensions);
2063         }
2064     }
2065
2066     if (dir == 0 || dir == 1) /* horz */
2067         self->max_horz = max;
2068     if (dir == 0 || dir == 2) /* vert */
2069         self->max_vert = max;
2070
2071     if (!self->max_horz && !self->max_vert)
2072         PROP_ERASE(self->window, openbox_premax);
2073
2074     client_change_state(self); /* change the state hints on the client */
2075
2076     /* figure out where the client should be going */
2077     frame_frame_gravity(self->frame, &x, &y);
2078     client_configure(self, OB_CORNER_TOPLEFT, x, y, w, h, TRUE, TRUE);
2079 }
2080
2081 void client_shade(ObClient *self, gboolean shade)
2082 {
2083     if ((!(self->functions & OB_CLIENT_FUNC_SHADE) &&
2084          shade) ||                         /* can't shade */
2085         self->shaded == shade) return;     /* already done */
2086
2087     /* when we're iconic, don't change the wmstate */
2088     if (!self->iconic)
2089         self->wmstate = shade ? IconicState : NormalState;
2090     self->shaded = shade;
2091     client_change_state(self);
2092     /* resize the frame to just the titlebar */
2093     frame_adjust_area(self->frame, FALSE, FALSE);
2094 }
2095
2096 void client_close(ObClient *self)
2097 {
2098     XEvent ce;
2099
2100     if (!(self->functions & OB_CLIENT_FUNC_CLOSE)) return;
2101
2102     /*
2103       XXX: itd be cool to do timeouts and shit here for killing the client's
2104       process off
2105       like... if the window is around after 5 seconds, then the close button
2106       turns a nice red, and if this function is called again, the client is
2107       explicitly killed.
2108     */
2109
2110     ce.xclient.type = ClientMessage;
2111     ce.xclient.message_type =  prop_atoms.wm_protocols;
2112     ce.xclient.display = ob_display;
2113     ce.xclient.window = self->window;
2114     ce.xclient.format = 32;
2115     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
2116     ce.xclient.data.l[1] = event_lasttime;
2117     ce.xclient.data.l[2] = 0l;
2118     ce.xclient.data.l[3] = 0l;
2119     ce.xclient.data.l[4] = 0l;
2120     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2121 }
2122
2123 void client_kill(ObClient *self)
2124 {
2125     XKillClient(ob_display, self->window);
2126 }
2127
2128 void client_set_desktop_recursive(ObClient *self,
2129                                   guint target, gboolean donthide)
2130 {
2131     guint old;
2132     GSList *it;
2133
2134     if (target != self->desktop) {
2135
2136         g_message("Setting desktop %u", target+1);
2137
2138         g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
2139
2140         /* remove from the old desktop(s) */
2141         focus_order_remove(self);
2142
2143         old = self->desktop;
2144         self->desktop = target;
2145         PROP_SET32(self->window, net_wm_desktop, cardinal, target);
2146         /* the frame can display the current desktop state */
2147         frame_adjust_state(self->frame);
2148         /* 'move' the window to the new desktop */
2149         if (!donthide)
2150             client_showhide(self);
2151         /* raise if it was not already on the desktop */
2152         if (old != DESKTOP_ALL)
2153             stacking_raise(CLIENT_AS_WINDOW(self));
2154         screen_update_areas();
2155
2156         /* add to the new desktop(s) */
2157         if (config_focus_new)
2158             focus_order_to_top(self);
2159         else
2160             focus_order_to_bottom(self);
2161
2162         dispatch_client(Event_Client_Desktop, self, target, old);
2163     }
2164
2165     /* move all transients */
2166     for (it = self->transients; it != NULL; it = it->next)
2167         if (it->data != self) client_set_desktop_recursive(it->data,
2168                                                            target, donthide);
2169 }
2170
2171 void client_set_desktop(ObClient *self, guint target, gboolean donthide)
2172 {
2173     client_set_desktop_recursive(client_search_top_transient(self),
2174                                  target, donthide);
2175 }
2176
2177 ObClient *client_search_modal_child(ObClient *self)
2178 {
2179     GSList *it;
2180     ObClient *ret;
2181
2182     for (it = self->transients; it != NULL; it = it->next) {
2183         ObClient *c = it->data;
2184         if ((ret = client_search_modal_child(c))) return ret;
2185         if (c->modal) return c;
2186     }
2187     return NULL;
2188 }
2189
2190 gboolean client_validate(ObClient *self)
2191 {
2192     XEvent e;
2193
2194     XSync(ob_display, FALSE); /* get all events on the server */
2195
2196     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
2197         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
2198         XPutBackEvent(ob_display, &e);
2199         return FALSE;
2200     }
2201
2202     return TRUE;
2203 }
2204
2205 void client_set_wm_state(ObClient *self, long state)
2206 {
2207     if (state == self->wmstate) return; /* no change */
2208
2209     switch (state) {
2210     case IconicState:
2211         client_iconify(self, TRUE, TRUE);
2212         break;
2213     case NormalState:
2214         client_iconify(self, FALSE, TRUE);
2215         break;
2216     }
2217 }
2218
2219 void client_set_state(ObClient *self, Atom action, long data1, long data2)
2220 {
2221     gboolean shaded = self->shaded;
2222     gboolean fullscreen = self->fullscreen;
2223     gboolean max_horz = self->max_horz;
2224     gboolean max_vert = self->max_vert;
2225     int i;
2226
2227     if (!(action == prop_atoms.net_wm_state_add ||
2228           action == prop_atoms.net_wm_state_remove ||
2229           action == prop_atoms.net_wm_state_toggle))
2230         /* an invalid action was passed to the client message, ignore it */
2231         return;
2232
2233     for (i = 0; i < 2; ++i) {
2234         Atom state = i == 0 ? data1 : data2;
2235
2236         if (!state) continue;
2237
2238         /* if toggling, then pick whether we're adding or removing */
2239         if (action == prop_atoms.net_wm_state_toggle) {
2240             if (state == prop_atoms.net_wm_state_modal)
2241                 action = self->modal ? prop_atoms.net_wm_state_remove :
2242                     prop_atoms.net_wm_state_add;
2243             else if (state == prop_atoms.net_wm_state_maximized_vert)
2244                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
2245                     prop_atoms.net_wm_state_add;
2246             else if (state == prop_atoms.net_wm_state_maximized_horz)
2247                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
2248                     prop_atoms.net_wm_state_add;
2249             else if (state == prop_atoms.net_wm_state_shaded)
2250                 action = self->shaded ? prop_atoms.net_wm_state_remove :
2251                     prop_atoms.net_wm_state_add;
2252             else if (state == prop_atoms.net_wm_state_skip_taskbar)
2253                 action = self->skip_taskbar ?
2254                     prop_atoms.net_wm_state_remove :
2255                     prop_atoms.net_wm_state_add;
2256             else if (state == prop_atoms.net_wm_state_skip_pager)
2257                 action = self->skip_pager ?
2258                     prop_atoms.net_wm_state_remove :
2259                     prop_atoms.net_wm_state_add;
2260             else if (state == prop_atoms.net_wm_state_fullscreen)
2261                 action = self->fullscreen ?
2262                     prop_atoms.net_wm_state_remove :
2263                     prop_atoms.net_wm_state_add;
2264             else if (state == prop_atoms.net_wm_state_above)
2265                 action = self->above ? prop_atoms.net_wm_state_remove :
2266                     prop_atoms.net_wm_state_add;
2267             else if (state == prop_atoms.net_wm_state_below)
2268                 action = self->below ? prop_atoms.net_wm_state_remove :
2269                     prop_atoms.net_wm_state_add;
2270         }
2271
2272         if (action == prop_atoms.net_wm_state_add) {
2273             if (state == prop_atoms.net_wm_state_modal) {
2274                 /* XXX raise here or something? */
2275                 self->modal = TRUE;
2276             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2277                 max_vert = TRUE;
2278             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2279                 max_horz = TRUE;
2280             } else if (state == prop_atoms.net_wm_state_shaded) {
2281                 shaded = TRUE;
2282             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2283                 self->skip_taskbar = TRUE;
2284             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2285                 self->skip_pager = TRUE;
2286             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2287                 fullscreen = TRUE;
2288             } else if (state == prop_atoms.net_wm_state_above) {
2289                 self->above = TRUE;
2290             } else if (state == prop_atoms.net_wm_state_below) {
2291                 self->below = TRUE;
2292             }
2293
2294         } else { /* action == prop_atoms.net_wm_state_remove */
2295             if (state == prop_atoms.net_wm_state_modal) {
2296                 self->modal = FALSE;
2297             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
2298                 max_vert = FALSE;
2299             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
2300                 max_horz = FALSE;
2301             } else if (state == prop_atoms.net_wm_state_shaded) {
2302                 shaded = FALSE;
2303             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
2304                 self->skip_taskbar = FALSE;
2305             } else if (state == prop_atoms.net_wm_state_skip_pager) {
2306                 self->skip_pager = FALSE;
2307             } else if (state == prop_atoms.net_wm_state_fullscreen) {
2308                 fullscreen = FALSE;
2309             } else if (state == prop_atoms.net_wm_state_above) {
2310                 self->above = FALSE;
2311             } else if (state == prop_atoms.net_wm_state_below) {
2312                 self->below = FALSE;
2313             }
2314         }
2315     }
2316     if (max_horz != self->max_horz || max_vert != self->max_vert) {
2317         if (max_horz != self->max_horz && max_vert != self->max_vert) {
2318             /* toggling both */
2319             if (max_horz == max_vert) { /* both going the same way */
2320                 client_maximize(self, max_horz, 0, TRUE);
2321             } else {
2322                 client_maximize(self, max_horz, 1, TRUE);
2323                 client_maximize(self, max_vert, 2, TRUE);
2324             }
2325         } else {
2326             /* toggling one */
2327             if (max_horz != self->max_horz)
2328                 client_maximize(self, max_horz, 1, TRUE);
2329             else
2330                 client_maximize(self, max_vert, 2, TRUE);
2331         }
2332     }
2333     /* change fullscreen state before shading, as it will affect if the window
2334        can shade or not */
2335     if (fullscreen != self->fullscreen)
2336         client_fullscreen(self, fullscreen, TRUE);
2337     if (shaded != self->shaded)
2338         client_shade(self, shaded);
2339     client_calc_layer(self);
2340     client_change_state(self); /* change the hint to reflect these changes */
2341 }
2342
2343 ObClient *client_focus_target(ObClient *self)
2344 {
2345     ObClient *child;
2346
2347     /* if we have a modal child, then focus it, not us */
2348     child = client_search_modal_child(self);
2349     if (child) return child;
2350     return self;
2351 }
2352
2353 gboolean client_can_focus(ObClient *self)
2354 {
2355     XEvent ev;
2356
2357     /* choose the correct target */
2358     self = client_focus_target(self);
2359
2360     if (!self->frame->visible)
2361         return FALSE;
2362
2363     if (!((self->can_focus || self->focus_notify) &&
2364           (self->desktop == screen_desktop ||
2365            self->desktop == DESKTOP_ALL) &&
2366           !self->iconic))
2367         return FALSE;
2368
2369     /* do a check to see if the window has already been unmapped or destroyed
2370        do this intelligently while watching out for unmaps we've generated
2371        (ignore_unmaps > 0) */
2372     if (XCheckTypedWindowEvent(ob_display, self->window,
2373                                DestroyNotify, &ev)) {
2374         XPutBackEvent(ob_display, &ev);
2375         return FALSE;
2376     }
2377     while (XCheckTypedWindowEvent(ob_display, self->window,
2378                                   UnmapNotify, &ev)) {
2379         if (self->ignore_unmaps) {
2380             self->ignore_unmaps--;
2381         } else {
2382             XPutBackEvent(ob_display, &ev);
2383             return FALSE;
2384         }
2385     }
2386
2387     return TRUE;
2388 }
2389
2390 gboolean client_focus(ObClient *self)
2391 {
2392     /* choose the correct target */
2393     self = client_focus_target(self);
2394
2395     if (!client_can_focus(self)) {
2396         if (!self->frame->visible) {
2397             /* update the focus lists */
2398             focus_order_to_top(self);
2399         }
2400         return FALSE;
2401     }
2402
2403     if (self->can_focus)
2404         /* RevertToPointerRoot causes much more headache than RevertToNone, so
2405            I choose to use it always, hopefully to find errors quicker, if any
2406            are left. (I hate X. I hate focus events.) */
2407         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
2408                        event_lasttime);
2409
2410     if (self->focus_notify) {
2411         XEvent ce;
2412         ce.xclient.type = ClientMessage;
2413         ce.xclient.message_type = prop_atoms.wm_protocols;
2414         ce.xclient.display = ob_display;
2415         ce.xclient.window = self->window;
2416         ce.xclient.format = 32;
2417         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
2418         ce.xclient.data.l[1] = event_lasttime;
2419         ce.xclient.data.l[2] = 0l;
2420         ce.xclient.data.l[3] = 0l;
2421         ce.xclient.data.l[4] = 0l;
2422         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
2423     }
2424
2425 #ifdef DEBUG_FOCUS
2426     g_message("%sively focusing %lx at %d", (self->can_focus ? "act" : "pass"),
2427               self->window, (int)
2428               event_lasttime);
2429 #endif
2430
2431     /* Cause the FocusIn to come back to us. Important for desktop switches,
2432        since otherwise we'll have no FocusIn on the queue and send it off to
2433        the focus_backup. */
2434     XSync(ob_display, FALSE);
2435     return TRUE;
2436 }
2437
2438 void client_unfocus(ObClient *self)
2439 {
2440     g_assert(focus_client == self);
2441 #ifdef DEBUG_FOCUS
2442     g_message("client_unfocus for %lx", self->window);
2443 #endif
2444     focus_fallback(OB_FOCUS_FALLBACK_UNFOCUSING);
2445 }
2446
2447 void client_activate(ObClient *self)
2448 {
2449     if (client_normal(self) && screen_showing_desktop)
2450         screen_show_desktop(FALSE);
2451     if (self->iconic)
2452         client_iconify(self, FALSE, FALSE);
2453     if (self->desktop != DESKTOP_ALL &&
2454         self->desktop != screen_desktop)
2455         screen_set_desktop(self->desktop);
2456     else if (!self->frame->visible)
2457         /* if its not visible for other reasons, then don't mess
2458            with it */
2459         return;
2460     if (self->shaded)
2461         client_shade(self, FALSE);
2462     client_focus(self);
2463     stacking_raise(CLIENT_AS_WINDOW(self));
2464 }
2465
2466 gboolean client_focused(ObClient *self)
2467 {
2468     return self == focus_client;
2469 }
2470
2471 ObClientIcon *client_icon(ObClient *self, int w, int h)
2472 {
2473     guint i;
2474     /* si is the smallest image >= req */
2475     /* li is the largest image < req */
2476     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2477
2478     if (!self->nicons) return NULL;
2479
2480     for (i = 0; i < self->nicons; ++i) {
2481         size = self->icons[i].width * self->icons[i].height;
2482         if (size < smallest && size >= (unsigned)(w * h)) {
2483             smallest = size;
2484             si = i;
2485         }
2486         if (size > largest && size <= (unsigned)(w * h)) {
2487             largest = size;
2488             li = i;
2489         }
2490     }
2491     if (largest == 0) /* didnt find one smaller than the requested size */
2492         return &self->icons[si];
2493     return &self->icons[li];
2494 }
2495
2496 /* this be mostly ripped from fvwm */
2497 ObClient *client_find_directional(ObClient *c, ObDirection dir)
2498 {
2499     int my_cx, my_cy, his_cx, his_cy;
2500     int offset = 0;
2501     int distance = 0;
2502     int score, best_score;
2503     ObClient *best_client, *cur;
2504     GList *it;
2505
2506     if(!client_list)
2507         return NULL;
2508
2509     /* first, find the centre coords of the currently focused window */
2510     my_cx = c->frame->area.x + c->frame->area.width / 2;
2511     my_cy = c->frame->area.y + c->frame->area.height / 2;
2512
2513     best_score = -1;
2514     best_client = NULL;
2515
2516     for(it = g_list_first(client_list); it; it = it->next) {
2517         cur = it->data;
2518
2519         /* the currently selected window isn't interesting */
2520         if(cur == c)
2521             continue;
2522         if (!client_normal(cur))
2523             continue;
2524         if(c->desktop != cur->desktop && cur->desktop != DESKTOP_ALL)
2525             continue;
2526         if(cur->iconic)
2527             continue;
2528         if(client_focus_target(cur) == cur &&
2529            !(cur->can_focus || cur->focus_notify))
2530             continue;
2531
2532         /* find the centre coords of this window, from the
2533          * currently focused window's point of view */
2534         his_cx = (cur->frame->area.x - my_cx)
2535             + cur->frame->area.width / 2;
2536         his_cy = (cur->frame->area.y - my_cy)
2537             + cur->frame->area.height / 2;
2538
2539         if(dir > 3) {
2540             int tx;
2541             /* Rotate the diagonals 45 degrees counterclockwise.
2542              * To do this, multiply the matrix /+h +h\ with the
2543              * vector (x y).                   \-h +h/
2544              * h = sqrt(0.5). We can set h := 1 since absolute
2545              * distance doesn't matter here. */
2546             tx = his_cx + his_cy;
2547             his_cy = -his_cx + his_cy;
2548             his_cx = tx;
2549         }
2550
2551         switch(dir) {
2552         case OB_DIRECTION_NORTH:
2553         case OB_DIRECTION_SOUTH:
2554         case OB_DIRECTION_NORTHEAST:
2555         case OB_DIRECTION_SOUTHWEST:
2556             offset = (his_cx < 0) ? -his_cx : his_cx;
2557             distance = ((dir == OB_DIRECTION_NORTH ||
2558                         dir == OB_DIRECTION_NORTHEAST) ?
2559                         -his_cy : his_cy);
2560             break;
2561         case OB_DIRECTION_EAST:
2562         case OB_DIRECTION_WEST:
2563         case OB_DIRECTION_SOUTHEAST:
2564         case OB_DIRECTION_NORTHWEST:
2565             offset = (his_cy < 0) ? -his_cy : his_cy;
2566             distance = ((dir == OB_DIRECTION_WEST ||
2567                         dir == OB_DIRECTION_NORTHWEST) ?
2568                         -his_cx : his_cx);
2569             break;
2570         }
2571
2572         /* the target must be in the requested direction */
2573         if(distance <= 0)
2574             continue;
2575
2576         /* Calculate score for this window.  The smaller the better. */
2577         score = distance + offset;
2578
2579         /* windows more than 45 degrees off the direction are
2580          * heavily penalized and will only be chosen if nothing
2581          * else within a million pixels */
2582         if(offset > distance)
2583             score += 1000000;
2584
2585         if(best_score == -1 || score < best_score)
2586             best_client = cur,
2587                 best_score = score;
2588     }
2589
2590     return best_client;
2591 }
2592
2593 void client_set_layer(ObClient *self, int layer)
2594 {
2595     if (layer < 0) {
2596         self->below = TRUE;
2597         self->above = FALSE;
2598     } else if (layer == 0) {
2599         self->below = self->above = FALSE;
2600     } else {
2601         self->below = FALSE;
2602         self->above = TRUE;
2603     }
2604     client_calc_layer(self);
2605     client_change_state(self); /* reflect this in the state hints */
2606 }
2607
2608 guint client_monitor(ObClient *self)
2609 {
2610     guint i;
2611
2612     for (i = 0; i < screen_num_monitors; ++i) {
2613         Rect *area = screen_physical_area_monitor(i);
2614         if (RECT_INTERSECTS_RECT(*area, self->frame->area))
2615             break;
2616     }
2617     if (i == screen_num_monitors) i = 0;
2618     g_assert(i < screen_num_monitors);
2619     return i;
2620 }
2621
2622 ObClient *client_search_top_transient(ObClient *self)
2623 {
2624     /* move up the transient chain as far as possible */
2625     if (self->transient_for) {
2626         if (self->transient_for != OB_TRAN_GROUP) {
2627             return client_search_top_transient(self->transient_for);
2628         } else {
2629             GSList *it;
2630
2631             for (it = self->group->members; it; it = it->next) {
2632                 ObClient *c = it->data;
2633
2634                 /* checking transient_for prevents infinate loops! */
2635                 if (c != self && !c->transient_for)
2636                     break;
2637             }
2638             if (it)
2639                 return it->data;
2640         }
2641     }
2642
2643     return self;
2644 }