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