openbox/client.c

   1 #include "client.h"
   2 #include "screen.h"
   3 #include "prop.h"
   4 #include "extensions.h"
   5 #include "frame.h"
   6 #include "engine.h"
   7 #include "event.h"
   8 #include "grab.h"
   9 #include "focus.h"
  10 #include "stacking.h"
  11 #include "dispatch.h"
  12
  13 #include <glib.h>
  14 #include <X11/Xutil.h>
  15
  16 /*! The event mask to grab on client windows */
  17 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  18                           StructureNotifyMask)
  19
  20 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  21                                 ButtonMotionMask)
  22
  23 GSList     *client_list      = NULL;
  24 GHashTable *client_map       = NULL;
  25
  26 static void client_get_all(Client *self);
  27 static void client_toggle_border(Client *self, gboolean show);
  28 static void client_get_area(Client *self);
  29 static void client_get_desktop(Client *self);
  30 static void client_get_state(Client *self);
  31 static void client_get_shaped(Client *self);
  32 static void client_get_mwm_hints(Client *self);
  33 static void client_get_gravity(Client *self);
  34 static void client_showhide(Client *self);
  35 static void client_change_allowed_actions(Client *self);
  36 static void client_change_state(Client *self);
  37 static Client *search_focus_tree(Client *node, Client *skip);
  38 static void client_apply_startup_state(Client *self);
  39 static Client *search_modal_tree(Client *node, Client *skip);
  40
  41 static guint map_hash(Window w) { return w; }
  42 static gboolean map_key_comp(Window w1, Window w2) { return w1 == w2; }
  43
  44 void client_startup()
  45 {
  46     client_map = g_hash_table_new((GHashFunc)map_hash,
  47                                   (GEqualFunc)map_key_comp);
  48     client_set_list();
  49 }
  50
  51 void client_shutdown()
  52 {
  53     g_hash_table_destroy(client_map);
  54 }
  55
  56 void client_set_list()
  57 {
  58     Window *windows, *win_it;
  59     GSList *it;
  60     guint size = g_slist_length(client_list);
  61
  62     /* create an array of the window ids */
  63     if (size > 0) {
  64         windows = g_new(Window, size);
  65         win_it = windows;
  66         for (it = client_list; it != NULL; it = it->next, ++win_it)
  67             *win_it = ((Client*)it->data)->window;
  68     } else
  69         windows = NULL;
  70
  71     PROP_SET32A(ob_root, net_client_list, window, windows, size);
  72
  73     if (windows)
  74         g_free(windows);
  75
  76     stacking_set_list();
  77 }
  78
  79 void client_manage_all()
  80 {
  81     unsigned int i, j, nchild;
  82     Window w, *children;
  83     XWMHints *wmhints;
  84     XWindowAttributes attrib;
  85
  86     XQueryTree(ob_display, ob_root, &w, &w, &children, &nchild);
  87
  88     /* remove all icon windows from the list */
  89     for (i = 0; i < nchild; i++) {
  90         if (children[i] == None) continue;
  91         wmhints = XGetWMHints(ob_display, children[i]);
  92         if (wmhints) {
  93             if ((wmhints->flags & IconWindowHint) &&
  94                 (wmhints->icon_window != children[i]))
  95                 for (j = 0; j < nchild; j++)
  96                     if (children[j] == wmhints->icon_window) {
  97                         children[j] = None;
  98                         break;
  99                     }
 100             XFree(wmhints);
 101         }
 102     }
 103
 104     for (i = 0; i < nchild; ++i) {
 105         if (children[i] == None)
 106             continue;
 107         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 108             if (attrib.override_redirect) continue;
 109
 110             if (attrib.map_state != IsUnmapped)
 111                 client_manage(children[i]);
 112         }
 113     }
 114     XFree(children);
 115 }
 116
 117 void client_manage(Window window)
 118 {
 119     Client *client;
 120     XEvent e;
 121     XWindowAttributes attrib;
 122     XSetWindowAttributes attrib_set;
 123 /*    XWMHints *wmhint; */
 124     guint i;
 125
 126     grab_server(TRUE);
 127
 128     /* check if it has already been unmapped by the time we started mapping
 129        the grab does a sync so we don't have to here */
 130     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 131         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 132         XPutBackEvent(ob_display, &e);
 133
 134         grab_server(FALSE);
 135         return; /* don't manage it */
 136     }
 137
 138     /* make sure it isn't an override-redirect window */
 139     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 140         attrib.override_redirect) {
 141         grab_server(FALSE);
 142         return; /* don't manage it */
 143     }
 144
 145 /*    /\* is the window a docking app *\/
 146     if ((wmhint = XGetWMHints(ob_display, window))) {
 147         if ((wmhint->flags & StateHint) &&
 148             wmhint->initial_state == WithdrawnState) {
 149             /\* XXX: make dock apps work! *\/
 150             grab_server(FALSE);
 151             XFree(wmhint);
 152             return;
 153         }
 154         XFree(wmhint);
 155     }
 156 */
 157
 158     /* choose the events we want to receive on the CLIENT window */
 159     attrib_set.event_mask = CLIENT_EVENTMASK;
 160     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 161     XChangeWindowAttributes(ob_display, window,
 162                             CWEventMask|CWDontPropagate, &attrib_set);
 163
 164
 165     /* create the Client struct, and populate it from the hints on the
 166        window */
 167     client = g_new(Client, 1);
 168     client->window = window;
 169     client_get_all(client);
 170
 171     /* remove the client's border (and adjust re gravity) */
 172     client_toggle_border(client, FALSE);
 173
 174     /* specify that if we exit, the window should not be destroyed and should
 175        be reparented back to root automatically */
 176     XChangeSaveSet(ob_display, window, SetModeInsert);
 177
 178     /* create the decoration frame for the client window */
 179     client->frame = engine_frame_new();
 180
 181     engine_frame_grab_client(client->frame, client);
 182
 183     client_apply_startup_state(client);
 184
 185     grab_server(FALSE);
 186
 187     client_list = g_slist_append(client_list, client);
 188     stacking_list = g_list_append(stacking_list, client);
 189     g_assert(!g_hash_table_lookup(client_map, (gpointer)client->window));
 190     g_hash_table_insert(client_map, (gpointer)window, client);
 191
 192     /* update the focus lists */
 193     if (client->desktop == DESKTOP_ALL) {
 194         for (i = 0; i < screen_num_desktops; ++i)
 195             focus_order[i] = g_list_append(focus_order[i], client);
 196     } else {
 197         i = client->desktop;
 198         focus_order[i] = g_list_append(focus_order[i], client);
 199     }
 200
 201     stacking_raise(client);
 202
 203     screen_update_struts();
 204
 205     dispatch_client(Event_Client_New, client, 0, 0);
 206
 207     client_showhide(client);
 208
 209     dispatch_client(Event_Client_Mapped, client, 0, 0);
 210
 211     /* update the list hints */
 212     client_set_list();
 213
 214     g_message("Managed window 0x%lx", window);
 215 }
 216
 217 void client_unmanage_all()
 218 {
 219     while (client_list != NULL)
 220         client_unmanage(client_list->data);
 221 }
 222
 223 void client_unmanage(Client *client)
 224 {
 225     guint i;
 226     int j;
 227     GSList *it;
 228
 229     g_message("Unmanaging window: %lx", client->window);
 230
 231     dispatch_client(Event_Client_Destroy, client, 0, 0);
 232     g_assert(client != NULL);
 233
 234     /* remove the window from our save set */
 235     XChangeSaveSet(ob_display, client->window, SetModeDelete);
 236
 237     /* we dont want events no more */
 238     XSelectInput(ob_display, client->window, NoEventMask);
 239
 240     engine_frame_hide(client->frame);
 241
 242     client_list = g_slist_remove(client_list, client);
 243     stacking_list = g_list_remove(stacking_list, client);
 244     g_hash_table_remove(client_map, (gpointer)client->window);
 245
 246     /* update the focus lists */
 247     if (client->desktop == DESKTOP_ALL) {
 248         for (i = 0; i < screen_num_desktops; ++i)
 249             focus_order[i] = g_list_remove(focus_order[i], client);
 250     } else {
 251         i = client->desktop;
 252         focus_order[i] = g_list_remove(focus_order[i], client);
 253     }
 254
 255     /* once the client is out of the list, update the struts to remove it's
 256        influence */
 257     screen_update_struts();
 258
 259     /* tell our parent that we're gone */
 260     if (client->transient_for != NULL)
 261         client->transient_for->transients =
 262             g_slist_remove(client->transient_for->transients, client);
 263
 264     /* tell our transients that we're gone */
 265     for (it = client->transients; it != NULL; it = it->next) {
 266         ((Client*)it->data)->transient_for = NULL;
 267         client_calc_layer(it->data);
 268     }
 269
 270     /* dispatch the unmapped event */
 271     dispatch_client(Event_Client_Unmapped, client, 0, 0);
 272     g_assert(client != NULL);
 273
 274     /* unfocus the client (dispatchs the focus event) (we're out of the
 275      transient lists already, so being modal doesn't matter) */
 276     if (client_focused(client))
 277         client_unfocus(client);
 278
 279     /* give the client its border back */
 280     client_toggle_border(client, TRUE);
 281
 282     /* reparent the window out of the frame, and free the frame */
 283     engine_frame_release_client(client->frame, client);
 284     client->frame = NULL;
 285
 286     if (ob_state != State_Exiting) {
 287         /* these values should not be persisted across a window
 288            unmapping/mapping */
 289         prop_erase(client->window, prop_atoms.net_wm_desktop);
 290         prop_erase(client->window, prop_atoms.net_wm_state);
 291     } else {
 292         /* if we're left in an iconic state, the client wont be mapped. this is
 293            bad, since we will no longer be managing the window on restart */
 294         if (client->iconic)
 295             XMapWindow(ob_display, client->window);
 296     }
 297
 298     /* free all data allocated in the client struct */
 299     g_slist_free(client->transients);
 300     for (j = 0; j < client->nicons; ++j)
 301         g_free(client->icons[j].data);
 302     if (client->nicons > 0)
 303         g_free(client->icons);
 304     g_free(client->title);
 305     g_free(client->icon_title);
 306     g_free(client->name);
 307     g_free(client->class);
 308     g_free(client->role);
 309     g_free(client);
 310
 311     /* update the list hints */
 312     client_set_list();
 313 }
 314
 315 static void client_toggle_border(Client *self, gboolean show)
 316 {
 317     /* adjust our idea of where the client is, based on its border. When the
 318        border is removed, the client should now be considered to be in a
 319        different position.
 320        when re-adding the border to the client, the same operation needs to be
 321        reversed. */
 322     int oldx = self->area.x, oldy = self->area.y;
 323     int x = oldx, y = oldy;
 324     switch(self->gravity) {
 325     default:
 326     case NorthWestGravity:
 327     case WestGravity:
 328     case SouthWestGravity:
 329         break;
 330     case NorthEastGravity:
 331     case EastGravity:
 332     case SouthEastGravity:
 333         if (show) x -= self->border_width * 2;
 334         else      x += self->border_width * 2;
 335         break;
 336     case NorthGravity:
 337     case SouthGravity:
 338     case CenterGravity:
 339     case ForgetGravity:
 340     case StaticGravity:
 341         if (show) x -= self->border_width;
 342         else      x += self->border_width;
 343         break;
 344     }
 345     switch(self->gravity) {
 346     default:
 347     case NorthWestGravity:
 348     case NorthGravity:
 349     case NorthEastGravity:
 350         break;
 351     case SouthWestGravity:
 352     case SouthGravity:
 353     case SouthEastGravity:
 354         if (show) y -= self->border_width * 2;
 355         else      y += self->border_width * 2;
 356         break;
 357     case WestGravity:
 358     case EastGravity:
 359     case CenterGravity:
 360     case ForgetGravity:
 361     case StaticGravity:
 362         if (show) y -= self->border_width;
 363         else      y += self->border_width;
 364         break;
 365     }
 366     self->area.x = x;
 367     self->area.y = y;
 368
 369     if (show) {
 370         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 371
 372         /* move the client so it is back it the right spot _with_ its
 373            border! */
 374         if (x != oldx || y != oldy)
 375             XMoveWindow(ob_display, self->window, x, y);
 376     } else
 377         XSetWindowBorderWidth(ob_display, self->window, 0);
 378 }
 379
 380
 381 static void client_get_all(Client *self)
 382 {
 383     /* update EVERYTHING!! */
 384
 385     self->ignore_unmaps = 0;
 386
 387     /* defaults */
 388     self->frame = NULL;
 389     self->title = self->icon_title = NULL;
 390     self->name = self->class = self->role = NULL;
 391     self->wmstate = NormalState;
 392     self->transient = FALSE;
 393     self->transients = NULL;
 394     self->transient_for = NULL;
 395     self->layer = -1;
 396     self->urgent = FALSE;
 397     self->positioned = FALSE;
 398     self->disabled_decorations = 0;
 399     self->group = None;
 400     self->nicons = 0;
 401
 402     client_get_area(self);
 403     client_get_desktop(self);
 404     client_get_state(self);
 405     client_get_shaped(self);
 406
 407     client_update_transient_for(self);
 408     client_get_mwm_hints(self);
 409     client_get_type(self);/* this can change the mwmhints for special cases */
 410
 411     client_update_protocols(self);
 412
 413     client_get_gravity(self); /* get the attribute gravity */
 414     client_update_normal_hints(self); /* this may override the attribute
 415                                          gravity */
 416
 417     /* got the type, the mwmhints, the protocols, and the normal hints
 418        (min/max sizes), so we're ready to set up the decorations/functions */
 419     client_setup_decor_and_functions(self);
 420
 421     client_update_wmhints(self);
 422     client_update_title(self);
 423     client_update_icon_title(self);
 424     client_update_class(self);
 425     client_update_strut(self);
 426     client_update_icons(self);
 427     client_update_kwm_icon(self);
 428
 429     /* this makes sure that these windows appear on all desktops */
 430     if (self->type == Type_Desktop)
 431         self->desktop = DESKTOP_ALL;
 432
 433     /* set the desktop hint, to make sure that it always exists, and to
 434        reflect any changes we've made here */
 435     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 436
 437     client_change_state(self);
 438 }
 439
 440 static void client_get_area(Client *self)
 441 {
 442     XWindowAttributes wattrib;
 443     Status ret;
 444
 445     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 446     g_assert(ret != BadWindow);
 447
 448     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 449     self->border_width = wattrib.border_width;
 450 }
 451
 452 static void client_get_desktop(Client *self)
 453 {
 454     unsigned int d;
 455
 456     if (PROP_GET32(self->window, net_wm_desktop, cardinal, d)) {
 457         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 458             d = screen_num_desktops - 1;
 459         self->desktop = d;
 460     } else {
 461         /* defaults to the current desktop */
 462         self->desktop = screen_desktop;
 463     }
 464 }
 465
 466 static void client_get_state(Client *self)
 467 {
 468     gulong *state;
 469     gulong num;
 470
 471     self->modal = self->shaded = self->max_horz = self->max_vert =
 472         self->fullscreen = self->above = self->below = self->iconic =
 473         self->skip_taskbar = self->skip_pager = FALSE;
 474
 475     if (PROP_GET32U(self->window, net_wm_state, atom, state, num)) {
 476         gulong i;
 477         for (i = 0; i < num; ++i) {
 478             if (state[i] == prop_atoms.net_wm_state_modal)
 479                 self->modal = TRUE;
 480             else if (state[i] == prop_atoms.net_wm_state_shaded)
 481                 self->shaded = TRUE;
 482             else if (state[i] == prop_atoms.net_wm_state_hidden)
 483                 self->iconic = TRUE;
 484             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 485                 self->skip_taskbar = TRUE;
 486             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 487                 self->skip_pager = TRUE;
 488             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 489                 self->fullscreen = TRUE;
 490             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 491                 self->max_vert = TRUE;
 492             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 493                 self->max_horz = TRUE;
 494             else if (state[i] == prop_atoms.net_wm_state_above)
 495                 self->above = TRUE;
 496             else if (state[i] == prop_atoms.net_wm_state_below)
 497                 self->below = TRUE;
 498         }
 499
 500         g_free(state);
 501     }
 502 }
 503
 504 static void client_get_shaped(Client *self)
 505 {
 506     self->shaped = FALSE;
 507 #ifdef   SHAPE
 508     if (extensions_shape) {
 509         int foo;
 510         guint ufoo;
 511         int s;
 512
 513         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 514
 515         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 516                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 517                            &ufoo);
 518         self->shaped = (s != 0);
 519     }
 520 #endif
 521 }
 522
 523 void client_update_transient_for(Client *self)
 524 {
 525     Window t = None;
 526     Client *c = NULL;
 527
 528     if (XGetTransientForHint(ob_display, self->window, &t) &&
 529         t != self->window) { /* cant be transient to itself! */
 530         self->transient = TRUE;
 531         c = g_hash_table_lookup(client_map, (gpointer)t);
 532         g_assert(c != self);/* if this happens then we need to check for it*/
 533
 534         if (!c /*XXX: && _group*/) {
 535             /* not transient to a client, see if it is transient for a
 536                group */
 537             if (/*t == _group->leader() || */
 538                 t == None ||
 539                 t == ob_root) {
 540                 /* window is a transient for its group! */
 541                 /* XXX: for now this is treated as non-transient.
 542                    this needs to be fixed! */
 543             }
 544         }
 545     } else
 546         self->transient = FALSE;
 547
 548     /* if anything has changed... */
 549     if (c != self->transient_for) {
 550         if (self->transient_for)
 551             /* remove from old parent */
 552             self->transient_for->transients =
 553                 g_slist_remove(self->transient_for->transients, self);
 554         self->transient_for = c;
 555         if (self->transient_for)
 556             /* add to new parent */
 557             self->transient_for->transients =
 558                 g_slist_append(self->transient_for->transients, self);
 559     }
 560 }
 561
 562 static void client_get_mwm_hints(Client *self)
 563 {
 564     unsigned long num;
 565     unsigned long *hints;
 566
 567     self->mwmhints.flags = 0; /* default to none */
 568
 569     if (PROP_GET32U(self->window, motif_wm_hints, motif_wm_hints, hints, num)) {
 570         if (num >= MWM_ELEMENTS) {
 571             self->mwmhints.flags = hints[0];
 572             self->mwmhints.functions = hints[1];
 573             self->mwmhints.decorations = hints[2];
 574         }
 575         g_free(hints);
 576     }
 577 }
 578
 579 void client_get_type(Client *self)
 580 {
 581     gulong *val, num, i;
 582
 583     self->type = -1;
 584
 585     if (PROP_GET32U(self->window, net_wm_window_type, atom, val, num)) {
 586         /* use the first value that we know about in the array */
 587         for (i = 0; i < num; ++i) {
 588             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 589                 self->type = Type_Desktop;
 590             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 591                 self->type = Type_Dock;
 592             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 593                 self->type = Type_Toolbar;
 594             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 595                 self->type = Type_Menu;
 596             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 597                 self->type = Type_Utility;
 598             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 599                 self->type = Type_Splash;
 600             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 601                 self->type = Type_Dialog;
 602             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 603                 self->type = Type_Normal;
 604             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 605                 /* prevent this window from getting any decor or
 606                    functionality */
 607                 self->mwmhints.flags &= (MwmFlag_Functions |
 608                                          MwmFlag_Decorations);
 609                 self->mwmhints.decorations = 0;
 610                 self->mwmhints.functions = 0;
 611             }
 612             if (self->type != (WindowType) -1)
 613                 break; /* grab the first legit type */
 614         }
 615         g_free(val);
 616     }
 617
 618     if (self->type == (WindowType) -1) {
 619         /*the window type hint was not set, which means we either classify
 620           ourself as a normal window or a dialog, depending on if we are a
 621           transient. */
 622         if (self->transient)
 623             self->type = Type_Dialog;
 624         else
 625             self->type = Type_Normal;
 626     }
 627 }
 628
 629 void client_update_protocols(Client *self)
 630 {
 631     Atom *proto;
 632     gulong num_return, i;
 633
 634     self->focus_notify = FALSE;
 635     self->delete_window = FALSE;
 636
 637     if (PROP_GET32U(self->window, wm_protocols, atom, proto, num_return)) {
 638         for (i = 0; i < num_return; ++i) {
 639             if (proto[i] == prop_atoms.wm_delete_window) {
 640                 /* this means we can request the window to close */
 641                 self->delete_window = TRUE;
 642             } else if (proto[i] == prop_atoms.wm_take_focus)
 643                 /* if this protocol is requested, then the window will be
 644                    notified whenever we want it to receive focus */
 645                 self->focus_notify = TRUE;
 646         }
 647         g_free(proto);
 648     }
 649 }
 650
 651 static void client_get_gravity(Client *self)
 652 {
 653     XWindowAttributes wattrib;
 654     Status ret;
 655
 656     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 657     g_assert(ret != BadWindow);
 658     self->gravity = wattrib.win_gravity;
 659 }
 660
 661 void client_update_normal_hints(Client *self)
 662 {
 663     XSizeHints size;
 664     long ret;
 665     int oldgravity = self->gravity;
 666
 667     /* defaults */
 668     self->min_ratio = 0.0f;
 669     self->max_ratio = 0.0f;
 670     SIZE_SET(self->size_inc, 1, 1);
 671     SIZE_SET(self->base_size, 0, 0);
 672     SIZE_SET(self->min_size, 0, 0);
 673     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
 674
 675     /* get the hints from the window */
 676     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
 677         self->positioned = (size.flags & (PPosition|USPosition));
 678
 679         if (size.flags & PWinGravity) {
 680             self->gravity = size.win_gravity;
 681
 682             /* if the client has a frame, i.e. has already been mapped and
 683                is changing its gravity */
 684             if (self->frame && self->gravity != oldgravity) {
 685                 /* move our idea of the client's position based on its new
 686                    gravity */
 687                 self->area.x = self->frame->area.x;
 688                 self->area.y = self->frame->area.y;
 689                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
 690             }
 691         }
 692
 693         if (size.flags & PAspect) {
 694             if (size.min_aspect.y)
 695                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
 696             if (size.max_aspect.y)
 697                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
 698         }
 699
 700         if (size.flags & PMinSize)
 701             SIZE_SET(self->min_size, size.min_width, size.min_height);
 702
 703         if (size.flags & PMaxSize)
 704             SIZE_SET(self->max_size, size.max_width, size.max_height);
 705
 706         if (size.flags & PBaseSize)
 707             SIZE_SET(self->base_size, size.base_width, size.base_height);
 708
 709         if (size.flags & PResizeInc)
 710             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
 711     }
 712 }
 713
 714 void client_setup_decor_and_functions(Client *self)
 715 {
 716     /* start with everything (cept fullscreen) */
 717     self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
 718         Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize;
 719     self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
 720         Func_Shade;
 721     if (self->delete_window) {
 722         self->decorations |= Decor_Close;
 723         self->functions |= Func_Close;
 724     }
 725
 726     if (!(self->min_size.width < self->max_size.width ||
 727           self->min_size.height < self->max_size.height)) {
 728         self->decorations &= ~(Decor_Maximize | Decor_Handle);
 729         self->functions &= ~(Func_Resize | Func_Maximize);
 730     }
 731
 732     switch (self->type) {
 733     case Type_Normal:
 734         /* normal windows retain all of the possible decorations and
 735            functionality, and are the only windows that you can fullscreen */
 736         self->functions |= Func_Fullscreen;
 737         break;
 738
 739     case Type_Dialog:
 740         /* dialogs cannot be maximized */
 741         self->decorations &= ~Decor_Maximize;
 742         self->functions &= ~Func_Maximize;
 743         break;
 744
 745     case Type_Menu:
 746     case Type_Toolbar:
 747     case Type_Utility:
 748         /* these windows get less functionality */
 749         self->decorations &= ~(Decor_Iconify | Decor_Handle);
 750         self->functions &= ~(Func_Iconify | Func_Resize);
 751         break;
 752
 753     case Type_Desktop:
 754     case Type_Dock:
 755     case Type_Splash:
 756         /* none of these windows are manipulated by the window manager */
 757         self->decorations = 0;
 758         self->functions = 0;
 759         break;
 760     }
 761
 762     /* Mwm Hints are applied subtractively to what has already been chosen for
 763        decor and functionality */
 764     if (self->mwmhints.flags & MwmFlag_Decorations) {
 765         if (! (self->mwmhints.decorations & MwmDecor_All)) {
 766             if (! (self->mwmhints.decorations & MwmDecor_Border))
 767                 self->decorations &= ~Decor_Border;
 768             if (! (self->mwmhints.decorations & MwmDecor_Handle))
 769                 self->decorations &= ~Decor_Handle;
 770             if (! (self->mwmhints.decorations & MwmDecor_Title))
 771                 self->decorations &= ~Decor_Titlebar;
 772             if (! (self->mwmhints.decorations & MwmDecor_Iconify))
 773                 self->decorations &= ~Decor_Iconify;
 774             if (! (self->mwmhints.decorations & MwmDecor_Maximize))
 775                 self->decorations &= ~Decor_Maximize;
 776         }
 777     }
 778
 779     if (self->mwmhints.flags & MwmFlag_Functions) {
 780         if (! (self->mwmhints.functions & MwmFunc_All)) {
 781             if (! (self->mwmhints.functions & MwmFunc_Resize))
 782                 self->functions &= ~Func_Resize;
 783             if (! (self->mwmhints.functions & MwmFunc_Move))
 784                 self->functions &= ~Func_Move;
 785             if (! (self->mwmhints.functions & MwmFunc_Iconify))
 786                 self->functions &= ~Func_Iconify;
 787             if (! (self->mwmhints.functions & MwmFunc_Maximize))
 788                 self->functions &= ~Func_Maximize;
 789             /* dont let mwm hints kill the close button
 790                if (! (self->mwmhints.functions & MwmFunc_Close))
 791                self->functions &= ~Func_Close; */
 792         }
 793     }
 794
 795     /* can't maximize without moving/resizing */
 796     if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
 797         self->functions &= ~Func_Maximize;
 798
 799     /* finally, user specified disabled decorations are applied to subtract
 800        decorations */
 801     if (self->disabled_decorations & Decor_Titlebar)
 802         self->decorations &= ~Decor_Titlebar;
 803     if (self->disabled_decorations & Decor_Handle)
 804         self->decorations &= ~Decor_Handle;
 805     if (self->disabled_decorations & Decor_Border)
 806         self->decorations &= ~Decor_Border;
 807     if (self->disabled_decorations & Decor_Iconify)
 808         self->decorations &= ~Decor_Iconify;
 809     if (self->disabled_decorations & Decor_Maximize)
 810         self->decorations &= ~Decor_Maximize;
 811     if (self->disabled_decorations & Decor_AllDesktops)
 812         self->decorations &= ~Decor_AllDesktops;
 813     if (self->disabled_decorations & Decor_Close)
 814         self->decorations &= ~Decor_Close;
 815
 816     /* if we don't have a titlebar, then we cannot shade! */
 817     if (!(self->decorations & Decor_Titlebar))
 818         self->functions &= ~Func_Shade;
 819
 820     client_change_allowed_actions(self);
 821
 822     if (self->frame) {
 823         /* change the decors on the frame, and with more/less decorations,
 824            we may also need to be repositioned */
 825         engine_frame_adjust_area(self->frame);
 826         /* with new decor, the window's maximized size may change */
 827         client_remaximize(self);
 828     }
 829 }
 830
 831 static void client_change_allowed_actions(Client *self)
 832 {
 833     Atom actions[9];
 834     int num = 0;
 835
 836     actions[num++] = prop_atoms.net_wm_action_change_desktop;
 837
 838     if (self->functions & Func_Shade)
 839         actions[num++] = prop_atoms.net_wm_action_shade;
 840     if (self->functions & Func_Close)
 841         actions[num++] = prop_atoms.net_wm_action_close;
 842     if (self->functions & Func_Move)
 843         actions[num++] = prop_atoms.net_wm_action_move;
 844     if (self->functions & Func_Iconify)
 845         actions[num++] = prop_atoms.net_wm_action_minimize;
 846     if (self->functions & Func_Resize)
 847         actions[num++] = prop_atoms.net_wm_action_resize;
 848     if (self->functions & Func_Fullscreen)
 849         actions[num++] = prop_atoms.net_wm_action_fullscreen;
 850     if (self->functions & Func_Maximize) {
 851         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
 852         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
 853     }
 854
 855     PROP_SET32A(self->window, net_wm_allowed_actions, atom, actions, num);
 856
 857     /* make sure the window isn't breaking any rules now */
 858
 859     if (!(self->functions & Func_Shade) && self->shaded) {
 860         if (self->frame) client_shade(self, FALSE);
 861         else self->shaded = FALSE;
 862     }
 863     if (!(self->functions & Func_Iconify) && self->iconic) {
 864         if (self->frame) client_iconify(self, FALSE, TRUE);
 865         else self->iconic = FALSE;
 866     }
 867     if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
 868         if (self->frame) client_fullscreen(self, FALSE, TRUE);
 869         else self->fullscreen = FALSE;
 870     }
 871     if (!(self->functions & Func_Maximize) && (self->max_horz ||
 872                                                self->max_vert)) {
 873         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
 874         else self->max_vert = self->max_horz = FALSE;
 875     }
 876 }
 877
 878 void client_remaximize(Client *self)
 879 {
 880     int dir;
 881     if (self->max_horz && self->max_vert)
 882         dir = 0;
 883     else if (self->max_horz)
 884         dir = 1;
 885     else if (self->max_vert)
 886         dir = 2;
 887     else
 888         return; /* not maximized */
 889     self->max_horz = self->max_vert = FALSE;
 890     client_maximize(self, TRUE, dir, FALSE);
 891 }
 892
 893 void client_update_wmhints(Client *self)
 894 {
 895     XWMHints *hints;
 896     gboolean ur = FALSE;
 897
 898     /* assume a window takes input if it doesnt specify */
 899     self->can_focus = TRUE;
 900
 901     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
 902         if (hints->flags & InputHint)
 903             self->can_focus = hints->input;
 904
 905         /* only do this when starting! */
 906         if (ob_state == State_Starting && (hints->flags & StateHint))
 907             self->iconic = hints->initial_state == IconicState;
 908
 909         if (hints->flags & XUrgencyHint)
 910             ur = TRUE;
 911
 912         if (hints->flags & WindowGroupHint) {
 913             if (hints->window_group != self->group) {
 914                 /* XXX: remove from the old group if there was one */
 915                 self->group = hints->window_group;
 916                 /* XXX: do stuff with the group */
 917             }
 918         } else /* no group! */
 919             self->group = None;
 920
 921         if (hints->flags & IconPixmapHint) {
 922             client_update_kwm_icon(self);
 923             /* try get the kwm icon first, this is a fallback only */
 924             if (self->pixmap_icon == None) {
 925                 self->pixmap_icon = hints->icon_pixmap;
 926                 if (hints->flags & IconMaskHint)
 927                     self->pixmap_icon_mask = hints->icon_mask;
 928                 else
 929                     self->pixmap_icon_mask = None;
 930
 931                 if (self->frame)
 932                     engine_frame_adjust_icon(self->frame);
 933             }
 934         }
 935
 936         XFree(hints);
 937     }
 938
 939     if (ur != self->urgent) {
 940         self->urgent = ur;
 941         g_message("Urgent Hint for 0x%lx: %s", self->window,
 942                   ur ? "ON" : "OFF");
 943         /* fire the urgent callback if we're mapped, otherwise, wait until
 944            after we're mapped */
 945         if (self->frame)
 946             dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
 947     }
 948 }
 949
 950 void client_update_title(Client *self)
 951 {
 952     gchar *data = NULL;
 953
 954     g_free(self->title);
 955
 956     /* try netwm */
 957     if (!PROP_GETS(self->window, net_wm_name, utf8, data)) {
 958         /* try old x stuff */
 959         if (PROP_GETS(self->window, wm_name, string, data)) {
 960             /* convert it to UTF-8 */
 961             gsize r, w;
 962             gchar *u;
 963
 964             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
 965             if (u == NULL) {
 966                 g_warning("Unable to convert string to UTF-8");
 967             } else {
 968                 g_free(data);
 969                 data = u;
 970             }
 971         }
 972         if (data == NULL)
 973             data = g_strdup("Unnamed Window");
 974
 975         PROP_SETS(self->window, net_wm_visible_name, utf8, data);
 976     }
 977
 978     self->title = data;
 979
 980     if (self->frame)
 981         engine_frame_adjust_title(self->frame);
 982 }
 983
 984 void client_update_icon_title(Client *self)
 985 {
 986     gchar *data = NULL;
 987
 988     g_free(self->icon_title);
 989
 990     /* try netwm */
 991     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, data)) {
 992         /* try old x stuff */
 993         if (PROP_GETS(self->window, wm_icon_name, string, data)) {
 994             /* convert it to UTF-8 */
 995             gsize r, w;
 996             gchar *u;
 997
 998             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
 999             if (u == NULL) {
1000                 g_warning("Unable to convert string to UTF-8");
1001             } else {
1002                 g_free(data);
1003                 data = u;
1004             }
1005         }
1006         if (data == NULL)
1007             data = g_strdup("Unnamed Window");
1008
1009         PROP_SETS(self->window, net_wm_visible_icon_name, utf8, data);
1010     }
1011
1012     self->icon_title = data;
1013 }
1014
1015 void client_update_class(Client *self)
1016 {
1017     GPtrArray *data;
1018     gchar *s;
1019     guint i;
1020
1021     if (self->name) g_free(self->name);
1022     if (self->class) g_free(self->class);
1023     if (self->role) g_free(self->role);
1024
1025     self->name = self->class = self->role = NULL;
1026
1027     data = g_ptr_array_new();
1028
1029     if (PROP_GETSA(self->window, wm_class, string, data)) {
1030         if (data->len > 0)
1031             self->name = g_strdup(g_ptr_array_index(data, 0));
1032         if (data->len > 1)
1033             self->class = g_strdup(g_ptr_array_index(data, 1));
1034     }
1035
1036     for (i = 0; i < data->len; ++i)
1037         g_free(g_ptr_array_index(data, i));
1038     g_ptr_array_free(data, TRUE);
1039
1040     if (PROP_GETS(self->window, wm_window_role, string, s))
1041         self->role = g_strdup(s);
1042
1043     if (self->name == NULL) self->name = g_strdup("");
1044     if (self->class == NULL) self->class = g_strdup("");
1045     if (self->role == NULL) self->role = g_strdup("");
1046 }
1047
1048 void client_update_strut(Client *self)
1049 {
1050     gulong *data;
1051
1052     if (PROP_GET32A(self->window, net_wm_strut, cardinal, data, 4)) {
1053         STRUT_SET(self->strut, data[0], data[1], data[2], data[3]);
1054         g_free(data);
1055     } else
1056         STRUT_SET(self->strut, 0, 0, 0, 0);
1057
1058     /* updating here is pointless while we're being mapped cuz we're not in
1059        the client list yet */
1060     if (self->frame)
1061         screen_update_struts();
1062 }
1063
1064 void client_update_icons(Client *self)
1065 {
1066     unsigned long num;
1067     unsigned long *data;
1068     unsigned long w, h, i;
1069     int j;
1070
1071     for (j = 0; j < self->nicons; ++j)
1072         g_free(self->icons[j].data);
1073     if (self->nicons > 0)
1074         g_free(self->icons);
1075     self->nicons = 0;
1076
1077     if (PROP_GET32U(self->window, net_wm_icon, cardinal, data, num)) {
1078         /* figure out how many valid icons are in here */
1079         i = 0;
1080         while (num - i > 2) {
1081             w = data[i++];
1082             h = data[i++];
1083             i += w * h;
1084             if (i > num) break;
1085             ++self->nicons;
1086         }
1087
1088         self->icons = g_new(Icon, self->nicons);
1089
1090         /* store the icons */
1091         i = 0;
1092         for (j = 0; j < self->nicons; ++j) {
1093             w = self->icons[j].w = data[i++];
1094             h = self->icons[j].h = data[i++];
1095             self->icons[j].data =
1096                 g_memdup(&data[i], w * h * sizeof(gulong));
1097             i += w * h;
1098             g_assert(i <= num);
1099         }
1100
1101         g_free(data);
1102     }
1103
1104     if (self->nicons <= 0) {
1105         self->nicons = 1;
1106         self->icons = g_new0(Icon, 1);
1107     }
1108
1109     if (self->frame)
1110         engine_frame_adjust_icon(self->frame);
1111 }
1112
1113 void client_update_kwm_icon(Client *self)
1114 {
1115     Pixmap *data;
1116
1117     if (PROP_GET32A(self->window, kwm_win_icon, kwm_win_icon, data, 2)) {
1118         self->pixmap_icon = data[0];
1119         self->pixmap_icon_mask = data[1];
1120         g_free(data);
1121     } else {
1122         self->pixmap_icon = self->pixmap_icon_mask = None;
1123     }
1124     if (self->frame)
1125         engine_frame_adjust_icon(self->frame);
1126 }
1127
1128 static void client_change_state(Client *self)
1129 {
1130     unsigned long state[2];
1131     Atom netstate[10];
1132     int num;
1133
1134     state[0] = self->wmstate;
1135     state[1] = None;
1136     PROP_SET32A(self->window, wm_state, wm_state, state, 2);
1137
1138     num = 0;
1139     if (self->modal)
1140         netstate[num++] = prop_atoms.net_wm_state_modal;
1141     if (self->shaded)
1142         netstate[num++] = prop_atoms.net_wm_state_shaded;
1143     if (self->iconic)
1144         netstate[num++] = prop_atoms.net_wm_state_hidden;
1145     if (self->skip_taskbar)
1146         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1147     if (self->skip_pager)
1148         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1149     if (self->fullscreen)
1150         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1151     if (self->max_vert)
1152         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1153     if (self->max_horz)
1154         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1155     if (self->above)
1156         netstate[num++] = prop_atoms.net_wm_state_above;
1157     if (self->below)
1158         netstate[num++] = prop_atoms.net_wm_state_below;
1159     PROP_SET32A(self->window, net_wm_state, atom, netstate, num);
1160
1161     client_calc_layer(self);
1162
1163     if (self->frame)
1164         engine_frame_adjust_state(self->frame);
1165 }
1166
1167 static Client *search_focus_tree(Client *node, Client *skip)
1168 {
1169     GSList *it;
1170     Client *ret;
1171
1172     for (it = node->transients; it != NULL; it = it->next) {
1173         Client *c = it->data;
1174         if (c == skip) continue; /* circular? */
1175         if ((ret = search_focus_tree(c, skip))) return ret;
1176         if (client_focused(c)) return c;
1177     }
1178     return NULL;
1179 }
1180
1181 void client_calc_layer(Client *self)
1182 {
1183     StackLayer l;
1184     gboolean fs;
1185     Client *c;
1186
1187     /* are we fullscreen, or do we have a fullscreen transient parent? */
1188     c = self;
1189     fs = FALSE;
1190     while (c) {
1191         if (c->fullscreen) {
1192             fs = TRUE;
1193             break;
1194         }
1195         c = c->transient_for;
1196     }
1197     if (!fs && self->fullscreen) {
1198         /* is one of our transients focused? */
1199         c = search_focus_tree(self, self);
1200         if (c != NULL) fs = TRUE;
1201     }
1202
1203     if (self->iconic) l = Layer_Icon;
1204     else if (fs) l = Layer_Fullscreen;
1205     else if (self->type == Type_Desktop) l = Layer_Desktop;
1206     else if (self->type == Type_Dock) {
1207         if (!self->below) l = Layer_Top;
1208         else l = Layer_Normal;
1209     }
1210     else if (self->above) l = Layer_Above;
1211     else if (self->below) l = Layer_Below;
1212     else l = Layer_Normal;
1213
1214     if (l != self->layer) {
1215         self->layer = l;
1216         if (self->frame)
1217             stacking_raise(self);
1218     }
1219 }
1220
1221 gboolean client_should_show(Client *self)
1222 {
1223     if (self->iconic) return FALSE;
1224     else if (!(self->desktop == screen_desktop ||
1225                self->desktop == DESKTOP_ALL)) return FALSE;
1226     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1227
1228     return TRUE;
1229 }
1230
1231 static void client_showhide(Client *self)
1232 {
1233
1234     if (client_should_show(self))
1235         engine_frame_show(self->frame);
1236     else
1237         engine_frame_hide(self->frame);
1238 }
1239
1240 gboolean client_normal(Client *self) {
1241     return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1242               self->type == Type_Splash);
1243 }
1244
1245 static void client_apply_startup_state(Client *self)
1246 {
1247     /* these are in a carefully crafted order.. */
1248
1249     if (self->iconic) {
1250         self->iconic = FALSE;
1251         client_iconify(self, TRUE, FALSE);
1252     }
1253     if (self->fullscreen) {
1254         self->fullscreen = FALSE;
1255         client_fullscreen(self, TRUE, FALSE);
1256     }
1257     if (self->shaded) {
1258         self->shaded = FALSE;
1259         client_shade(self, TRUE);
1260     }
1261     if (self->urgent)
1262         dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1263
1264     if (self->max_vert && self->max_horz) {
1265         self->max_vert = self->max_horz = FALSE;
1266         client_maximize(self, TRUE, 0, FALSE);
1267     } else if (self->max_vert) {
1268         self->max_vert = FALSE;
1269         client_maximize(self, TRUE, 2, FALSE);
1270     } else if (self->max_horz) {
1271         self->max_horz = FALSE;
1272         client_maximize(self, TRUE, 1, FALSE);
1273     }
1274
1275     /* nothing to do for the other states:
1276        skip_taskbar
1277        skip_pager
1278        modal
1279        above
1280        below
1281     */
1282 }
1283
1284 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1285                       gboolean user, gboolean final)
1286 {
1287     gboolean moved = FALSE, resized = FALSE;
1288
1289     /* set the size and position if fullscreen */
1290     if (self->fullscreen) {
1291         x = 0;
1292         y = 0;
1293         w = screen_physical_size.width;
1294         h = screen_physical_size.height;
1295     } else {
1296         /* set the size and position if maximized */
1297         if (self->max_horz) {
1298             x = screen_area(self->desktop)->x - self->frame->size.left;
1299             w = screen_area(self->desktop)->x +
1300                 screen_area(self->desktop)->width;
1301         }
1302         if (self->max_vert) {
1303             y = screen_area(self->desktop)->y;
1304             h = screen_area(self->desktop)->y +
1305                 screen_area(self->desktop)->height -
1306                 self->frame->size.top - self->frame->size.bottom;
1307         }
1308     }
1309
1310     if (x == self->area.x && y == self->area.y && w == self->area.width &&
1311         h == self->area.height)
1312         return; /* no change */
1313
1314     w -= self->base_size.width;
1315     h -= self->base_size.height;
1316
1317     if (user) {
1318         /* for interactive resizing. have to move half an increment in each
1319            direction. */
1320
1321         /* how far we are towards the next size inc */
1322         int mw = w % self->size_inc.width;
1323         int mh = h % self->size_inc.height;
1324         /* amount to add */
1325         int aw = self->size_inc.width / 2;
1326         int ah = self->size_inc.height / 2;
1327         /* don't let us move into a new size increment */
1328         if (mw + aw >= self->size_inc.width)
1329             aw = self->size_inc.width - mw - 1;
1330         if (mh + ah >= self->size_inc.height)
1331             ah = self->size_inc.height - mh - 1;
1332         w += aw;
1333         h += ah;
1334
1335         /* if this is a user-requested resize, then check against min/max
1336            sizes and aspect ratios */
1337
1338         /* smaller than min size or bigger than max size? */
1339         if (w > self->max_size.width) w = self->max_size.width;
1340         if (w < self->min_size.width) w = self->min_size.width;
1341         if (h > self->max_size.height) h = self->max_size.height;
1342         if (h < self->min_size.height) h = self->min_size.height;
1343
1344         /* adjust the height ot match the width for the aspect ratios */
1345         if (self->min_ratio)
1346             if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1347         if (self->max_ratio)
1348             if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1349     }
1350
1351     /* keep to the increments */
1352     w /= self->size_inc.width;
1353     h /= self->size_inc.height;
1354
1355     /* you cannot resize to nothing */
1356     if (w < 1) w = 1;
1357     if (h < 1) h = 1;
1358
1359     /* store the logical size */
1360     SIZE_SET(self->logical_size, w, h);
1361
1362     w *= self->size_inc.width;
1363     h *= self->size_inc.height;
1364
1365     w += self->base_size.width;
1366     h += self->base_size.height;
1367
1368     switch (anchor) {
1369     case Corner_TopLeft:
1370         break;
1371     case Corner_TopRight:
1372         x -= w - self->area.width;
1373         break;
1374     case Corner_BottomLeft:
1375         y -= h - self->area.height;
1376         break;
1377     case Corner_BottomRight:
1378         x -= w - self->area.width;
1379         y -= h - self->area.height;
1380         break;
1381     }
1382
1383     moved = x != self->area.x || y != self->area.y;
1384     resized = w != self->area.width || h != self->area.height;
1385
1386     RECT_SET(self->area, x, y, w, h);
1387
1388     if (resized)
1389         XResizeWindow(ob_display, self->window, w, h);
1390
1391     /* move/resize the frame to match the request */
1392     if (self->frame) {
1393         engine_frame_adjust_area(self->frame);
1394
1395         if (moved) {
1396             if (!user || final) {
1397                 XEvent event;
1398                 event.type = ConfigureNotify;
1399                 event.xconfigure.display = ob_display;
1400                 event.xconfigure.event = self->window;
1401                 event.xconfigure.window = self->window;
1402
1403                 /* root window coords with border in mind */
1404                 event.xconfigure.x = x - self->border_width +
1405                     self->frame->size.left;
1406                 event.xconfigure.y = y - self->border_width +
1407                     self->frame->size.top;
1408
1409                 event.xconfigure.width = self->area.width;
1410                 event.xconfigure.height = self->area.height;
1411                 event.xconfigure.border_width = self->border_width;
1412                 event.xconfigure.above = self->frame->plate;
1413                 event.xconfigure.override_redirect = FALSE;
1414                 XSendEvent(event.xconfigure.display, event.xconfigure.window,
1415                            FALSE, StructureNotifyMask, &event);
1416             }
1417         }
1418     }
1419 }
1420
1421 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1422 {
1423     int x, y, w, h;
1424
1425     if (!(self->functions & Func_Fullscreen) || /* can't */
1426         self->fullscreen == fs) return;         /* already done */
1427
1428     self->fullscreen = fs;
1429     client_change_state(self); /* change the state hints on the client */
1430
1431     if (fs) {
1432         /* save the functions and remove them */
1433         self->pre_fs_func = self->functions;
1434         self->functions &= (Func_Close | Func_Fullscreen |
1435                             Func_Iconify);
1436         /* save the decorations and remove them */
1437         self->pre_fs_decor = self->decorations;
1438         self->decorations = 0;
1439         if (savearea) {
1440             long dimensions[4];
1441             dimensions[0] = self->area.x;
1442             dimensions[1] = self->area.y;
1443             dimensions[2] = self->area.width;
1444             dimensions[3] = self->area.height;
1445
1446             PROP_SET32A(self->window, openbox_premax, cardinal,
1447                         dimensions, 4);
1448         }
1449
1450         /* these are not actually used cuz client_configure will set them
1451            as appropriate when the window is fullscreened */
1452         x = y = w = h = 0;
1453     } else {
1454         long *dimensions;
1455
1456         self->functions = self->pre_fs_func;
1457         self->decorations = self->pre_fs_decor;
1458
1459         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1460                         dimensions, 4)) {
1461             x = dimensions[0];
1462             y = dimensions[1];
1463             w = dimensions[2];
1464             h = dimensions[3];
1465             g_free(dimensions);
1466         } else {
1467             /* pick some fallbacks... */
1468             x = screen_area(self->desktop)->x +
1469                 screen_area(self->desktop)->width / 4;
1470             y = screen_area(self->desktop)->y +
1471                 screen_area(self->desktop)->height / 4;
1472             w = screen_area(self->desktop)->width / 2;
1473             h = screen_area(self->desktop)->height / 2;
1474         }
1475     }
1476
1477     client_change_allowed_actions(self); /* based on the new _functions */
1478
1479     /* when fullscreening, don't obey things like increments, fill the
1480        screen */
1481     client_configure(self, Corner_TopLeft, x, y, w, h, !fs, TRUE);
1482
1483     /* raise (back) into our stacking layer */
1484     stacking_raise(self);
1485
1486     /* try focus us when we go into fullscreen mode */
1487     client_focus(self);
1488 }
1489
1490 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1491 {
1492     if (self->iconic == iconic) return; /* nothing to do */
1493
1494     g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1495               self->window);
1496
1497     self->iconic = iconic;
1498
1499     if (iconic) {
1500         self->wmstate = IconicState;
1501         self->ignore_unmaps++;
1502         /* we unmap the client itself so that we can get MapRequest events,
1503            and because the ICCCM tells us to! */
1504         XUnmapWindow(ob_display, self->window);
1505     } else {
1506         if (curdesk)
1507             client_set_desktop(self, screen_desktop);
1508         self->wmstate = self->shaded ? IconicState : NormalState;
1509         XMapWindow(ob_display, self->window);
1510     }
1511     client_change_state(self);
1512     client_showhide(self);
1513     screen_update_struts();
1514
1515     dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1516                     self, 0, 0);
1517 }
1518
1519 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1520 {
1521     int x, y, w, h;
1522
1523     g_assert(dir == 0 || dir == 1 || dir == 2);
1524     if (!(self->functions & Func_Maximize)) return; /* can't */
1525
1526     /* check if already done */
1527     if (max) {
1528         if (dir == 0 && self->max_horz && self->max_vert) return;
1529         if (dir == 1 && self->max_horz) return;
1530         if (dir == 2 && self->max_vert) return;
1531     } else {
1532         if (dir == 0 && !self->max_horz && !self->max_vert) return;
1533         if (dir == 1 && !self->max_horz) return;
1534         if (dir == 2 && !self->max_vert) return;
1535     }
1536
1537     /* work with the frame's coords */
1538     x = self->frame->area.x;
1539     y = self->frame->area.y;
1540     w = self->area.width;
1541     h = self->area.height;
1542
1543     if (max) {
1544         if (savearea) {
1545             long dimensions[4];
1546             long *readdim;
1547
1548             dimensions[0] = x;
1549             dimensions[1] = y;
1550             dimensions[2] = w;
1551             dimensions[3] = h;
1552
1553             /* get the property off the window and use it for the dimensions
1554                we are already maxed on */
1555             if (PROP_GET32A(self->window, openbox_premax, cardinal,
1556                             readdim, 4)) {
1557                 if (self->max_horz) {
1558                     dimensions[0] = readdim[0];
1559                     dimensions[2] = readdim[2];
1560                 }
1561                 if (self->max_vert) {
1562                     dimensions[1] = readdim[1];
1563                     dimensions[3] = readdim[3];
1564                 }
1565                 g_free(readdim);
1566             }
1567
1568             PROP_SET32A(self->window, openbox_premax, cardinal,
1569                         dimensions, 4);
1570         }
1571
1572         /* pass the client's current position info. the client_configure
1573            will move/size stuff as appropriate for a maximized window */
1574         x = self->area.x;
1575         y = self->area.y;
1576         w = self->area.width;
1577         h = self->area.height;
1578     } else {
1579         long *dimensions;
1580
1581         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1582                         dimensions, 4)) {
1583             if (dir == 0 || dir == 1) { /* horz */
1584                 x = dimensions[0];
1585                 w = dimensions[2];
1586             }
1587             if (dir == 0 || dir == 2) { /* vert */
1588                 y = dimensions[1];
1589                 h = dimensions[3];
1590             }
1591             g_free(dimensions);
1592         } else {
1593             /* pick some fallbacks... */
1594             if (dir == 0 || dir == 1) { /* horz */
1595                 x = screen_area(self->desktop)->x +
1596                     screen_area(self->desktop)->width / 4;
1597                 w = screen_area(self->desktop)->width / 2;
1598             }
1599             if (dir == 0 || dir == 2) { /* vert */
1600                 y = screen_area(self->desktop)->y +
1601                     screen_area(self->desktop)->height / 4;
1602                 h = screen_area(self->desktop)->height / 2;
1603             }
1604         }
1605     }
1606
1607     if (dir == 0 || dir == 1) /* horz */
1608         self->max_horz = max;
1609     if (dir == 0 || dir == 2) /* vert */
1610         self->max_vert = max;
1611
1612     if (!self->max_horz && !self->max_vert)
1613         PROP_ERASE(self->window, openbox_premax);
1614
1615     client_change_state(self); /* change the state hints on the client */
1616
1617     /* figure out where the client should be going */
1618     frame_frame_gravity(self->frame, &x, &y);
1619     client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1620 }
1621
1622 void client_shade(Client *self, gboolean shade)
1623 {
1624     if (!(self->functions & Func_Shade) || /* can't */
1625         self->shaded == shade) return;     /* already done */
1626
1627     /* when we're iconic, don't change the wmstate */
1628     if (!self->iconic)
1629         self->wmstate = shade ? IconicState : NormalState;
1630     self->shaded = shade;
1631     client_change_state(self);
1632     /* resize the frame to just the titlebar */
1633     engine_frame_adjust_area(self->frame);
1634 }
1635
1636 void client_close(Client *self)
1637 {
1638     XEvent ce;
1639
1640     if (!(self->functions & Func_Close)) return;
1641
1642     /*
1643       XXX: itd be cool to do timeouts and shit here for killing the client's
1644       process off
1645       like... if the window is around after 5 seconds, then the close button
1646       turns a nice red, and if this function is called again, the client is
1647       explicitly killed.
1648     */
1649
1650     ce.xclient.type = ClientMessage;
1651     ce.xclient.message_type =  prop_atoms.wm_protocols;
1652     ce.xclient.display = ob_display;
1653     ce.xclient.window = self->window;
1654     ce.xclient.format = 32;
1655     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
1656     ce.xclient.data.l[1] = event_lasttime;
1657     ce.xclient.data.l[2] = 0l;
1658     ce.xclient.data.l[3] = 0l;
1659     ce.xclient.data.l[4] = 0l;
1660     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1661 }
1662
1663 void client_kill(Client *self)
1664 {
1665     XKillClient(ob_display, self->window);
1666 }
1667
1668 void client_set_desktop(Client *self, guint target)
1669 {
1670     guint old, i;
1671
1672     if (target == self->desktop) return;
1673
1674     g_message("Setting desktop %u\n", target);
1675
1676     g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
1677
1678     old = self->desktop;
1679     self->desktop = target;
1680     PROP_SET32(self->window, net_wm_desktop, cardinal, target);
1681     /* the frame can display the current desktop state */
1682     engine_frame_adjust_state(self->frame);
1683     /* 'move' the window to the new desktop */
1684     client_showhide(self);
1685     screen_update_struts();
1686
1687     /* update the focus lists */
1688     if (old == DESKTOP_ALL) {
1689         for (i = 0; i < screen_num_desktops; ++i)
1690             focus_order[i] = g_list_remove(focus_order[i], self);
1691         focus_order[target] = g_list_prepend(focus_order[target], self);
1692     } else {
1693         focus_order[old] = g_list_remove(focus_order[old], self);
1694         if (target == DESKTOP_ALL)
1695             for (i = 0; i < screen_num_desktops; ++i)
1696                 focus_order[i] = g_list_prepend(focus_order[i], self);
1697     }
1698
1699     dispatch_client(Event_Client_Desktop, self, target, old);
1700 }
1701
1702 static Client *search_modal_tree(Client *node, Client *skip)
1703 {
1704     GSList *it;
1705     Client *ret;
1706
1707     for (it = node->transients; it != NULL; it = it->next) {
1708         Client *c = it->data;
1709         if (c == skip) continue; /* circular? */
1710         if ((ret = search_modal_tree(c, skip))) return ret;
1711         if (c->modal) return c;
1712     }
1713     return NULL;
1714 }
1715
1716 Client *client_find_modal_child(Client *self)
1717 {
1718     return search_modal_tree(self, self);
1719 }
1720
1721 gboolean client_validate(Client *self)
1722 {
1723     XEvent e;
1724
1725     XSync(ob_display, FALSE); /* get all events on the server */
1726
1727     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
1728         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
1729         XPutBackEvent(ob_display, &e);
1730         return FALSE;
1731     }
1732
1733     return TRUE;
1734 }
1735
1736 void client_set_wm_state(Client *self, long state)
1737 {
1738     if (state == self->wmstate) return; /* no change */
1739
1740     switch (state) {
1741     case IconicState:
1742         client_iconify(self, TRUE, TRUE);
1743         break;
1744     case NormalState:
1745         client_iconify(self, FALSE, TRUE);
1746         break;
1747     }
1748 }
1749
1750 void client_set_state(Client *self, Atom action, long data1, long data2)
1751 {
1752     gboolean shaded = self->shaded;
1753     gboolean fullscreen = self->fullscreen;
1754     gboolean max_horz = self->max_horz;
1755     gboolean max_vert = self->max_vert;
1756     int i;
1757
1758     if (!(action == prop_atoms.net_wm_state_add ||
1759           action == prop_atoms.net_wm_state_remove ||
1760           action == prop_atoms.net_wm_state_toggle))
1761         /* an invalid action was passed to the client message, ignore it */
1762         return;
1763
1764     for (i = 0; i < 2; ++i) {
1765         Atom state = i == 0 ? data1 : data2;
1766
1767         if (!state) continue;
1768
1769         /* if toggling, then pick whether we're adding or removing */
1770         if (action == prop_atoms.net_wm_state_toggle) {
1771             if (state == prop_atoms.net_wm_state_modal)
1772                 action = self->modal ? prop_atoms.net_wm_state_remove :
1773                     prop_atoms.net_wm_state_add;
1774             else if (state == prop_atoms.net_wm_state_maximized_vert)
1775                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
1776                     prop_atoms.net_wm_state_add;
1777             else if (state == prop_atoms.net_wm_state_maximized_horz)
1778                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
1779                     prop_atoms.net_wm_state_add;
1780             else if (state == prop_atoms.net_wm_state_shaded)
1781                 action = self->shaded ? prop_atoms.net_wm_state_remove :
1782                     prop_atoms.net_wm_state_add;
1783             else if (state == prop_atoms.net_wm_state_skip_taskbar)
1784                 action = self->skip_taskbar ?
1785                     prop_atoms.net_wm_state_remove :
1786                     prop_atoms.net_wm_state_add;
1787             else if (state == prop_atoms.net_wm_state_skip_pager)
1788                 action = self->skip_pager ?
1789                     prop_atoms.net_wm_state_remove :
1790                     prop_atoms.net_wm_state_add;
1791             else if (state == prop_atoms.net_wm_state_fullscreen)
1792                 action = self->fullscreen ?
1793                     prop_atoms.net_wm_state_remove :
1794                     prop_atoms.net_wm_state_add;
1795             else if (state == prop_atoms.net_wm_state_above)
1796                 action = self->above ? prop_atoms.net_wm_state_remove :
1797                     prop_atoms.net_wm_state_add;
1798             else if (state == prop_atoms.net_wm_state_below)
1799                 action = self->below ? prop_atoms.net_wm_state_remove :
1800                     prop_atoms.net_wm_state_add;
1801         }
1802
1803         if (action == prop_atoms.net_wm_state_add) {
1804             if (state == prop_atoms.net_wm_state_modal) {
1805                 /* XXX raise here or something? */
1806                 self->modal = TRUE;
1807             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1808                 max_vert = TRUE;
1809             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1810                 max_horz = TRUE;
1811             } else if (state == prop_atoms.net_wm_state_shaded) {
1812                 shaded = TRUE;
1813             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1814                 self->skip_taskbar = TRUE;
1815             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1816                 self->skip_pager = TRUE;
1817             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1818                 fullscreen = TRUE;
1819             } else if (state == prop_atoms.net_wm_state_above) {
1820                 self->above = TRUE;
1821             } else if (state == prop_atoms.net_wm_state_below) {
1822                 self->below = TRUE;
1823             }
1824
1825         } else { /* action == prop_atoms.net_wm_state_remove */
1826             if (state == prop_atoms.net_wm_state_modal) {
1827                 self->modal = FALSE;
1828             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1829                 max_vert = FALSE;
1830             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1831                 max_horz = FALSE;
1832             } else if (state == prop_atoms.net_wm_state_shaded) {
1833                 shaded = FALSE;
1834             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1835                 self->skip_taskbar = FALSE;
1836             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1837                 self->skip_pager = FALSE;
1838             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1839                 fullscreen = FALSE;
1840             } else if (state == prop_atoms.net_wm_state_above) {
1841                 self->above = FALSE;
1842             } else if (state == prop_atoms.net_wm_state_below) {
1843                 self->below = FALSE;
1844             }
1845         }
1846     }
1847     if (max_horz != self->max_horz || max_vert != self->max_vert) {
1848         if (max_horz != self->max_horz && max_vert != self->max_vert) {
1849             /* toggling both */
1850             if (max_horz == max_vert) { /* both going the same way */
1851                 client_maximize(self, max_horz, 0, TRUE);
1852             } else {
1853                 client_maximize(self, max_horz, 1, TRUE);
1854                 client_maximize(self, max_vert, 2, TRUE);
1855             }
1856         } else {
1857             /* toggling one */
1858             if (max_horz != self->max_horz)
1859                 client_maximize(self, max_horz, 1, TRUE);
1860             else
1861                 client_maximize(self, max_vert, 2, TRUE);
1862         }
1863     }
1864     /* change fullscreen state before shading, as it will affect if the window
1865        can shade or not */
1866     if (fullscreen != self->fullscreen)
1867         client_fullscreen(self, fullscreen, TRUE);
1868     if (shaded != self->shaded)
1869         client_shade(self, shaded);
1870     client_calc_layer(self);
1871     client_change_state(self); /* change the hint to relect these changes */
1872 }
1873
1874 gboolean client_focus(Client *self)
1875 {
1876     XEvent ev;
1877     Client *child;
1878
1879     /* if we have a modal child, then focus it, not us */
1880     child = client_find_modal_child(self);
1881     if (child)
1882         return client_focus(child);
1883
1884     /* won't try focus if the client doesn't want it, or if the window isn't
1885        visible on the screen */
1886     if (!(self->frame->visible &&
1887           (self->can_focus || self->focus_notify)))
1888         return FALSE;
1889
1890     /* do a check to see if the window has already been unmapped or destroyed
1891        do this intelligently while watching out for unmaps we've generated
1892        (ignore_unmaps > 0) */
1893     if (XCheckTypedWindowEvent(ob_display, self->window,
1894                                DestroyNotify, &ev)) {
1895         XPutBackEvent(ob_display, &ev);
1896         return FALSE;
1897     }
1898     while (XCheckTypedWindowEvent(ob_display, self->window,
1899                                   UnmapNotify, &ev)) {
1900         if (self->ignore_unmaps) {
1901             self->ignore_unmaps--;
1902         } else {
1903             XPutBackEvent(ob_display, &ev);
1904             return FALSE;
1905         }
1906     }
1907
1908     if (self->can_focus)
1909         XSetInputFocus(ob_display, self->window, RevertToNone,
1910                        CurrentTime);
1911
1912     if (self->focus_notify) {
1913         XEvent ce;
1914         ce.xclient.type = ClientMessage;
1915         ce.xclient.message_type = prop_atoms.wm_protocols;
1916         ce.xclient.display = ob_display;
1917         ce.xclient.window = self->window;
1918         ce.xclient.format = 32;
1919         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
1920         ce.xclient.data.l[1] = CurrentTime;
1921         ce.xclient.data.l[2] = 0l;
1922         ce.xclient.data.l[3] = 0l;
1923         ce.xclient.data.l[4] = 0l;
1924         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1925     }
1926
1927     /* XSync(ob_display, FALSE); XXX Why sync? */
1928     return TRUE;
1929 }
1930
1931 void client_unfocus(Client *self)
1932 {
1933     g_assert(focus_client == self);
1934     client_set_focused(self, FALSE);
1935 }
1936
1937 gboolean client_focused(Client *self)
1938 {
1939     return self == focus_client;
1940 }
1941
1942 void client_set_focused(Client *self, gboolean focused)
1943 {
1944     if (focused) {
1945         if (focus_client != self)
1946             focus_set_client(self);
1947     } else {
1948         if (focus_client == self)
1949             focus_set_client(NULL);
1950     }
1951
1952     /* focus state can affect the stacking layer */
1953     client_calc_layer(self);
1954
1955     engine_frame_adjust_focus(self->frame);
1956 }