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 Window *client_startup_stack_order = NULL;
  27 static gulong  client_startup_stack_size = 0;
  28
  29 static void client_get_all(Client *self);
  30 static void client_toggle_border(Client *self, gboolean show);
  31 static void client_get_area(Client *self);
  32 static void client_get_desktop(Client *self);
  33 static void client_get_state(Client *self);
  34 static void client_get_shaped(Client *self);
  35 static void client_get_mwm_hints(Client *self);
  36 static void client_get_gravity(Client *self);
  37 static void client_showhide(Client *self);
  38 static void client_change_allowed_actions(Client *self);
  39 static void client_change_state(Client *self);
  40 static Client *search_focus_tree(Client *node, Client *skip);
  41 static void client_apply_startup_state(Client *self);
  42 static Client *search_modal_tree(Client *node, Client *skip);
  43
  44 static guint map_hash(Window *w) { return *w; }
  45 static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
  46
  47 void client_startup()
  48 {
  49     client_map = g_hash_table_new((GHashFunc)map_hash,
  50                                   (GEqualFunc)map_key_comp);
  51
  52     /* save the stacking order on startup! */
  53     if (!PROP_GET32U(ob_root, net_client_list_stacking, window,
  54                      client_startup_stack_order, client_startup_stack_size))
  55         g_message("failed");
  56     g_message("%ld", client_startup_stack_size);
  57
  58     client_set_list();
  59 }
  60
  61 void client_shutdown()
  62 {
  63     g_hash_table_destroy(client_map);
  64 }
  65
  66 void client_set_list()
  67 {
  68     Window *windows, *win_it;
  69     GSList *it;
  70     guint size = g_slist_length(client_list);
  71
  72     /* create an array of the window ids */
  73     if (size > 0) {
  74         windows = g_new(Window, size);
  75         win_it = windows;
  76         for (it = client_list; it != NULL; it = it->next, ++win_it)
  77             *win_it = ((Client*)it->data)->window;
  78     } else
  79         windows = NULL;
  80
  81     PROP_SET32A(ob_root, net_client_list, window, windows, size);
  82
  83     if (windows)
  84         g_free(windows);
  85
  86     stacking_set_list();
  87 }
  88
  89 void client_manage_all()
  90 {
  91     unsigned int i, j, nchild;
  92     Window w, *children;
  93     XWMHints *wmhints;
  94     XWindowAttributes attrib;
  95
  96     XQueryTree(ob_display, ob_root, &w, &w, &children, &nchild);
  97
  98     /* remove all icon windows from the list */
  99     for (i = 0; i < nchild; i++) {
 100         if (children[i] == None) continue;
 101         wmhints = XGetWMHints(ob_display, children[i]);
 102         if (wmhints) {
 103             if ((wmhints->flags & IconWindowHint) &&
 104                 (wmhints->icon_window != children[i]))
 105                 for (j = 0; j < nchild; j++)
 106                     if (children[j] == wmhints->icon_window) {
 107                         children[j] = None;
 108                         break;
 109                     }
 110             XFree(wmhints);
 111         }
 112     }
 113
 114     for (i = 0; i < nchild; ++i) {
 115         if (children[i] == None)
 116             continue;
 117         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 118             if (attrib.override_redirect) continue;
 119
 120             if (attrib.map_state != IsUnmapped)
 121                 client_manage(children[i]);
 122         }
 123     }
 124     XFree(children);
 125
 126     /* stack them as they were on startup! */
 127     for (i = client_startup_stack_size; i > 0; --i) {
 128         Client *c;
 129
 130         w = client_startup_stack_order[i-1];
 131         c = g_hash_table_lookup(client_map, &w);
 132         if (c) stacking_lower(c);
 133     }
 134 }
 135
 136 void client_manage(Window window)
 137 {
 138     Client *client;
 139     XEvent e;
 140     XWindowAttributes attrib;
 141     XSetWindowAttributes attrib_set;
 142 /*    XWMHints *wmhint; */
 143     guint i;
 144
 145     grab_server(TRUE);
 146
 147     /* check if it has already been unmapped by the time we started mapping
 148        the grab does a sync so we don't have to here */
 149     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 150         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 151         XPutBackEvent(ob_display, &e);
 152
 153         grab_server(FALSE);
 154         return; /* don't manage it */
 155     }
 156
 157     /* make sure it isn't an override-redirect window */
 158     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 159         attrib.override_redirect) {
 160         grab_server(FALSE);
 161         return; /* don't manage it */
 162     }
 163
 164 /*    /\* is the window a docking app *\/
 165     if ((wmhint = XGetWMHints(ob_display, window))) {
 166         if ((wmhint->flags & StateHint) &&
 167             wmhint->initial_state == WithdrawnState) {
 168             /\* XXX: make dock apps work! *\/
 169             grab_server(FALSE);
 170             XFree(wmhint);
 171             return;
 172         }
 173         XFree(wmhint);
 174     }
 175 */
 176
 177     /* choose the events we want to receive on the CLIENT window */
 178     attrib_set.event_mask = CLIENT_EVENTMASK;
 179     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 180     XChangeWindowAttributes(ob_display, window,
 181                             CWEventMask|CWDontPropagate, &attrib_set);
 182
 183
 184     /* create the Client struct, and populate it from the hints on the
 185        window */
 186     client = g_new(Client, 1);
 187     client->window = window;
 188     client_get_all(client);
 189
 190     /* remove the client's border (and adjust re gravity) */
 191     client_toggle_border(client, FALSE);
 192
 193     /* specify that if we exit, the window should not be destroyed and should
 194        be reparented back to root automatically */
 195     XChangeSaveSet(ob_display, window, SetModeInsert);
 196
 197     /* create the decoration frame for the client window */
 198     client->frame = engine_frame_new();
 199
 200     engine_frame_grab_client(client->frame, client);
 201
 202     client_apply_startup_state(client);
 203
 204     grab_server(FALSE);
 205
 206     client_list = g_slist_append(client_list, client);
 207     stacking_list = g_list_append(stacking_list, client);
 208     g_assert(!g_hash_table_lookup(client_map, &client->window));
 209     g_hash_table_insert(client_map, &client->window, client);
 210
 211     /* update the focus lists */
 212     if (client->desktop == DESKTOP_ALL) {
 213         for (i = 0; i < screen_num_desktops; ++i)
 214             focus_order[i] = g_list_append(focus_order[i], client);
 215     } else {
 216         i = client->desktop;
 217         focus_order[i] = g_list_append(focus_order[i], client);
 218     }
 219
 220     stacking_raise(client);
 221
 222     screen_update_struts();
 223
 224     dispatch_client(Event_Client_New, client, 0, 0);
 225
 226     client_showhide(client);
 227
 228     dispatch_client(Event_Client_Mapped, client, 0, 0);
 229
 230     /* update the list hints */
 231     client_set_list();
 232
 233     g_message("Managed window 0x%lx", window);
 234 }
 235
 236 void client_unmanage_all()
 237 {
 238     while (client_list != NULL)
 239         client_unmanage(client_list->data);
 240 }
 241
 242 void client_unmanage(Client *client)
 243 {
 244     guint i;
 245     int j;
 246     GSList *it;
 247
 248     g_message("Unmanaging window: %lx", client->window);
 249
 250     dispatch_client(Event_Client_Destroy, client, 0, 0);
 251     g_assert(client != NULL);
 252
 253     /* remove the window from our save set */
 254     XChangeSaveSet(ob_display, client->window, SetModeDelete);
 255
 256     /* we dont want events no more */
 257     XSelectInput(ob_display, client->window, NoEventMask);
 258
 259     engine_frame_hide(client->frame);
 260
 261     client_list = g_slist_remove(client_list, client);
 262     stacking_list = g_list_remove(stacking_list, client);
 263     g_hash_table_remove(client_map, &client->window);
 264
 265     /* update the focus lists */
 266     if (client->desktop == DESKTOP_ALL) {
 267         for (i = 0; i < screen_num_desktops; ++i)
 268             focus_order[i] = g_list_remove(focus_order[i], client);
 269     } else {
 270         i = client->desktop;
 271         focus_order[i] = g_list_remove(focus_order[i], client);
 272     }
 273
 274     /* once the client is out of the list, update the struts to remove it's
 275        influence */
 276     screen_update_struts();
 277
 278     /* tell our parent that we're gone */
 279     if (client->transient_for != NULL)
 280         client->transient_for->transients =
 281             g_slist_remove(client->transient_for->transients, client);
 282
 283     /* tell our transients that we're gone */
 284     for (it = client->transients; it != NULL; it = it->next) {
 285         ((Client*)it->data)->transient_for = NULL;
 286         client_calc_layer(it->data);
 287     }
 288
 289     /* dispatch the unmapped event */
 290     dispatch_client(Event_Client_Unmapped, client, 0, 0);
 291     g_assert(client != NULL);
 292
 293     /* unfocus the client (dispatchs the focus event) (we're out of the
 294      transient lists already, so being modal doesn't matter) */
 295     if (client_focused(client))
 296         client_unfocus(client);
 297
 298     /* give the client its border back */
 299     client_toggle_border(client, TRUE);
 300
 301     /* reparent the window out of the frame, and free the frame */
 302     engine_frame_release_client(client->frame, client);
 303     client->frame = NULL;
 304
 305     if (ob_state != State_Exiting) {
 306         /* these values should not be persisted across a window
 307            unmapping/mapping */
 308         prop_erase(client->window, prop_atoms.net_wm_desktop);
 309         prop_erase(client->window, prop_atoms.net_wm_state);
 310     } else {
 311         /* if we're left in an iconic state, the client wont be mapped. this is
 312            bad, since we will no longer be managing the window on restart */
 313         if (client->iconic)
 314             XMapWindow(ob_display, client->window);
 315     }
 316
 317     /* free all data allocated in the client struct */
 318     g_slist_free(client->transients);
 319     for (j = 0; j < client->nicons; ++j)
 320         g_free(client->icons[j].data);
 321     if (client->nicons > 0)
 322         g_free(client->icons);
 323     g_free(client->title);
 324     g_free(client->icon_title);
 325     g_free(client->name);
 326     g_free(client->class);
 327     g_free(client->role);
 328     g_free(client);
 329
 330     /* update the list hints */
 331     client_set_list();
 332 }
 333
 334 static void client_toggle_border(Client *self, gboolean show)
 335 {
 336     /* adjust our idea of where the client is, based on its border. When the
 337        border is removed, the client should now be considered to be in a
 338        different position.
 339        when re-adding the border to the client, the same operation needs to be
 340        reversed. */
 341     int oldx = self->area.x, oldy = self->area.y;
 342     int x = oldx, y = oldy;
 343     switch(self->gravity) {
 344     default:
 345     case NorthWestGravity:
 346     case WestGravity:
 347     case SouthWestGravity:
 348         break;
 349     case NorthEastGravity:
 350     case EastGravity:
 351     case SouthEastGravity:
 352         if (show) x -= self->border_width * 2;
 353         else      x += self->border_width * 2;
 354         break;
 355     case NorthGravity:
 356     case SouthGravity:
 357     case CenterGravity:
 358     case ForgetGravity:
 359     case StaticGravity:
 360         if (show) x -= self->border_width;
 361         else      x += self->border_width;
 362         break;
 363     }
 364     switch(self->gravity) {
 365     default:
 366     case NorthWestGravity:
 367     case NorthGravity:
 368     case NorthEastGravity:
 369         break;
 370     case SouthWestGravity:
 371     case SouthGravity:
 372     case SouthEastGravity:
 373         if (show) y -= self->border_width * 2;
 374         else      y += self->border_width * 2;
 375         break;
 376     case WestGravity:
 377     case EastGravity:
 378     case CenterGravity:
 379     case ForgetGravity:
 380     case StaticGravity:
 381         if (show) y -= self->border_width;
 382         else      y += self->border_width;
 383         break;
 384     }
 385     self->area.x = x;
 386     self->area.y = y;
 387
 388     if (show) {
 389         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 390
 391         /* move the client so it is back it the right spot _with_ its
 392            border! */
 393         if (x != oldx || y != oldy)
 394             XMoveWindow(ob_display, self->window, x, y);
 395     } else
 396         XSetWindowBorderWidth(ob_display, self->window, 0);
 397 }
 398
 399
 400 static void client_get_all(Client *self)
 401 {
 402     /* update EVERYTHING!! */
 403
 404     self->ignore_unmaps = 0;
 405
 406     /* defaults */
 407     self->frame = NULL;
 408     self->title = self->icon_title = NULL;
 409     self->name = self->class = self->role = NULL;
 410     self->wmstate = NormalState;
 411     self->transient = FALSE;
 412     self->transients = NULL;
 413     self->transient_for = NULL;
 414     self->layer = -1;
 415     self->urgent = FALSE;
 416     self->positioned = FALSE;
 417     self->disabled_decorations = 0;
 418     self->group = None;
 419     self->nicons = 0;
 420
 421     client_get_area(self);
 422     client_get_desktop(self);
 423     client_get_state(self);
 424     client_get_shaped(self);
 425
 426     client_update_transient_for(self);
 427     client_get_mwm_hints(self);
 428     client_get_type(self);/* this can change the mwmhints for special cases */
 429
 430     client_update_protocols(self);
 431
 432     client_get_gravity(self); /* get the attribute gravity */
 433     client_update_normal_hints(self); /* this may override the attribute
 434                                          gravity */
 435
 436     /* got the type, the mwmhints, the protocols, and the normal hints
 437        (min/max sizes), so we're ready to set up the decorations/functions */
 438     client_setup_decor_and_functions(self);
 439
 440     client_update_wmhints(self);
 441     client_update_title(self);
 442     client_update_icon_title(self);
 443     client_update_class(self);
 444     client_update_strut(self);
 445     client_update_icons(self);
 446     client_update_kwm_icon(self);
 447
 448     /* this makes sure that these windows appear on all desktops */
 449     if (self->type == Type_Desktop)
 450         self->desktop = DESKTOP_ALL;
 451
 452     /* set the desktop hint, to make sure that it always exists, and to
 453        reflect any changes we've made here */
 454     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 455
 456     client_change_state(self);
 457 }
 458
 459 static void client_get_area(Client *self)
 460 {
 461     XWindowAttributes wattrib;
 462     Status ret;
 463
 464     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 465     g_assert(ret != BadWindow);
 466
 467     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 468     self->border_width = wattrib.border_width;
 469 }
 470
 471 static void client_get_desktop(Client *self)
 472 {
 473     unsigned int d;
 474
 475     if (PROP_GET32(self->window, net_wm_desktop, cardinal, d)) {
 476         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 477             d = screen_num_desktops - 1;
 478         self->desktop = d;
 479     } else {
 480         /* defaults to the current desktop */
 481         self->desktop = screen_desktop;
 482     }
 483 }
 484
 485 static void client_get_state(Client *self)
 486 {
 487     gulong *state;
 488     gulong num;
 489
 490     self->modal = self->shaded = self->max_horz = self->max_vert =
 491         self->fullscreen = self->above = self->below = self->iconic =
 492         self->skip_taskbar = self->skip_pager = FALSE;
 493
 494     if (PROP_GET32U(self->window, net_wm_state, atom, state, num)) {
 495         gulong i;
 496         for (i = 0; i < num; ++i) {
 497             if (state[i] == prop_atoms.net_wm_state_modal)
 498                 self->modal = TRUE;
 499             else if (state[i] == prop_atoms.net_wm_state_shaded)
 500                 self->shaded = TRUE;
 501             else if (state[i] == prop_atoms.net_wm_state_hidden)
 502                 self->iconic = TRUE;
 503             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 504                 self->skip_taskbar = TRUE;
 505             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 506                 self->skip_pager = TRUE;
 507             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 508                 self->fullscreen = TRUE;
 509             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 510                 self->max_vert = TRUE;
 511             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 512                 self->max_horz = TRUE;
 513             else if (state[i] == prop_atoms.net_wm_state_above)
 514                 self->above = TRUE;
 515             else if (state[i] == prop_atoms.net_wm_state_below)
 516                 self->below = TRUE;
 517         }
 518
 519         g_free(state);
 520     }
 521 }
 522
 523 static void client_get_shaped(Client *self)
 524 {
 525     self->shaped = FALSE;
 526 #ifdef   SHAPE
 527     if (extensions_shape) {
 528         int foo;
 529         guint ufoo;
 530         int s;
 531
 532         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 533
 534         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 535                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 536                            &ufoo);
 537         self->shaped = (s != 0);
 538     }
 539 #endif
 540 }
 541
 542 void client_update_transient_for(Client *self)
 543 {
 544     Window t = None;
 545     Client *c = NULL;
 546
 547     if (XGetTransientForHint(ob_display, self->window, &t) &&
 548         t != self->window) { /* cant be transient to itself! */
 549         self->transient = TRUE;
 550         c = g_hash_table_lookup(client_map, &t);
 551         g_assert(c != self);/* if this happens then we need to check for it*/
 552
 553         if (!c /*XXX: && _group*/) {
 554             /* not transient to a client, see if it is transient for a
 555                group */
 556             if (/*t == _group->leader() || */
 557                 t == None ||
 558                 t == ob_root) {
 559                 /* window is a transient for its group! */
 560                 /* XXX: for now this is treated as non-transient.
 561                    this needs to be fixed! */
 562             }
 563         }
 564     } else
 565         self->transient = FALSE;
 566
 567     /* if anything has changed... */
 568     if (c != self->transient_for) {
 569         if (self->transient_for)
 570             /* remove from old parent */
 571             self->transient_for->transients =
 572                 g_slist_remove(self->transient_for->transients, self);
 573         self->transient_for = c;
 574         if (self->transient_for)
 575             /* add to new parent */
 576             self->transient_for->transients =
 577                 g_slist_append(self->transient_for->transients, self);
 578     }
 579 }
 580
 581 static void client_get_mwm_hints(Client *self)
 582 {
 583     unsigned long num;
 584     unsigned long *hints;
 585
 586     self->mwmhints.flags = 0; /* default to none */
 587
 588     if (PROP_GET32U(self->window, motif_wm_hints, motif_wm_hints, hints, num)) {
 589         if (num >= MWM_ELEMENTS) {
 590             self->mwmhints.flags = hints[0];
 591             self->mwmhints.functions = hints[1];
 592             self->mwmhints.decorations = hints[2];
 593         }
 594         g_free(hints);
 595     }
 596 }
 597
 598 void client_get_type(Client *self)
 599 {
 600     gulong *val, num, i;
 601
 602     self->type = -1;
 603
 604     if (PROP_GET32U(self->window, net_wm_window_type, atom, val, num)) {
 605         /* use the first value that we know about in the array */
 606         for (i = 0; i < num; ++i) {
 607             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 608                 self->type = Type_Desktop;
 609             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 610                 self->type = Type_Dock;
 611             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 612                 self->type = Type_Toolbar;
 613             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 614                 self->type = Type_Menu;
 615             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 616                 self->type = Type_Utility;
 617             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 618                 self->type = Type_Splash;
 619             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 620                 self->type = Type_Dialog;
 621             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 622                 self->type = Type_Normal;
 623             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 624                 /* prevent this window from getting any decor or
 625                    functionality */
 626                 self->mwmhints.flags &= (MwmFlag_Functions |
 627                                          MwmFlag_Decorations);
 628                 self->mwmhints.decorations = 0;
 629                 self->mwmhints.functions = 0;
 630             }
 631             if (self->type != (WindowType) -1)
 632                 break; /* grab the first legit type */
 633         }
 634         g_free(val);
 635     }
 636
 637     if (self->type == (WindowType) -1) {
 638         /*the window type hint was not set, which means we either classify
 639           ourself as a normal window or a dialog, depending on if we are a
 640           transient. */
 641         if (self->transient)
 642             self->type = Type_Dialog;
 643         else
 644             self->type = Type_Normal;
 645     }
 646 }
 647
 648 void client_update_protocols(Client *self)
 649 {
 650     Atom *proto;
 651     gulong num_return, i;
 652
 653     self->focus_notify = FALSE;
 654     self->delete_window = FALSE;
 655
 656     if (PROP_GET32U(self->window, wm_protocols, atom, proto, num_return)) {
 657         for (i = 0; i < num_return; ++i) {
 658             if (proto[i] == prop_atoms.wm_delete_window) {
 659                 /* this means we can request the window to close */
 660                 self->delete_window = TRUE;
 661             } else if (proto[i] == prop_atoms.wm_take_focus)
 662                 /* if this protocol is requested, then the window will be
 663                    notified whenever we want it to receive focus */
 664                 self->focus_notify = TRUE;
 665         }
 666         g_free(proto);
 667     }
 668 }
 669
 670 static void client_get_gravity(Client *self)
 671 {
 672     XWindowAttributes wattrib;
 673     Status ret;
 674
 675     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 676     g_assert(ret != BadWindow);
 677     self->gravity = wattrib.win_gravity;
 678 }
 679
 680 void client_update_normal_hints(Client *self)
 681 {
 682     XSizeHints size;
 683     long ret;
 684     int oldgravity = self->gravity;
 685
 686     /* defaults */
 687     self->min_ratio = 0.0f;
 688     self->max_ratio = 0.0f;
 689     SIZE_SET(self->size_inc, 1, 1);
 690     SIZE_SET(self->base_size, 0, 0);
 691     SIZE_SET(self->min_size, 0, 0);
 692     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
 693
 694     /* get the hints from the window */
 695     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
 696         self->positioned = (size.flags & (PPosition|USPosition));
 697
 698         if (size.flags & PWinGravity) {
 699             self->gravity = size.win_gravity;
 700
 701             /* if the client has a frame, i.e. has already been mapped and
 702                is changing its gravity */
 703             if (self->frame && self->gravity != oldgravity) {
 704                 /* move our idea of the client's position based on its new
 705                    gravity */
 706                 self->area.x = self->frame->area.x;
 707                 self->area.y = self->frame->area.y;
 708                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
 709             }
 710         }
 711
 712         if (size.flags & PAspect) {
 713             if (size.min_aspect.y)
 714                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
 715             if (size.max_aspect.y)
 716                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
 717         }
 718
 719         if (size.flags & PMinSize)
 720             SIZE_SET(self->min_size, size.min_width, size.min_height);
 721
 722         if (size.flags & PMaxSize)
 723             SIZE_SET(self->max_size, size.max_width, size.max_height);
 724
 725         if (size.flags & PBaseSize)
 726             SIZE_SET(self->base_size, size.base_width, size.base_height);
 727
 728         if (size.flags & PResizeInc)
 729             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
 730     }
 731 }
 732
 733 void client_setup_decor_and_functions(Client *self)
 734 {
 735     /* start with everything (cept fullscreen) */
 736     self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
 737         Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize;
 738     self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
 739         Func_Shade;
 740     if (self->delete_window) {
 741         self->decorations |= Decor_Close;
 742         self->functions |= Func_Close;
 743     }
 744
 745     if (!(self->min_size.width < self->max_size.width ||
 746           self->min_size.height < self->max_size.height)) {
 747         self->decorations &= ~(Decor_Maximize | Decor_Handle);
 748         self->functions &= ~(Func_Resize | Func_Maximize);
 749     }
 750
 751     switch (self->type) {
 752     case Type_Normal:
 753         /* normal windows retain all of the possible decorations and
 754            functionality, and are the only windows that you can fullscreen */
 755         self->functions |= Func_Fullscreen;
 756         break;
 757
 758     case Type_Dialog:
 759         /* dialogs cannot be maximized */
 760         self->decorations &= ~Decor_Maximize;
 761         self->functions &= ~Func_Maximize;
 762         break;
 763
 764     case Type_Menu:
 765     case Type_Toolbar:
 766     case Type_Utility:
 767         /* these windows get less functionality */
 768         self->decorations &= ~(Decor_Iconify | Decor_Handle);
 769         self->functions &= ~(Func_Iconify | Func_Resize);
 770         break;
 771
 772     case Type_Desktop:
 773     case Type_Dock:
 774     case Type_Splash:
 775         /* none of these windows are manipulated by the window manager */
 776         self->decorations = 0;
 777         self->functions = 0;
 778         break;
 779     }
 780
 781     /* Mwm Hints are applied subtractively to what has already been chosen for
 782        decor and functionality */
 783     if (self->mwmhints.flags & MwmFlag_Decorations) {
 784         if (! (self->mwmhints.decorations & MwmDecor_All)) {
 785             if (! (self->mwmhints.decorations & MwmDecor_Border))
 786                 self->decorations &= ~Decor_Border;
 787             if (! (self->mwmhints.decorations & MwmDecor_Handle))
 788                 self->decorations &= ~Decor_Handle;
 789             if (! (self->mwmhints.decorations & MwmDecor_Title))
 790                 self->decorations &= ~Decor_Titlebar;
 791             if (! (self->mwmhints.decorations & MwmDecor_Iconify))
 792                 self->decorations &= ~Decor_Iconify;
 793             if (! (self->mwmhints.decorations & MwmDecor_Maximize))
 794                 self->decorations &= ~Decor_Maximize;
 795         }
 796     }
 797
 798     if (self->mwmhints.flags & MwmFlag_Functions) {
 799         if (! (self->mwmhints.functions & MwmFunc_All)) {
 800             if (! (self->mwmhints.functions & MwmFunc_Resize))
 801                 self->functions &= ~Func_Resize;
 802             if (! (self->mwmhints.functions & MwmFunc_Move))
 803                 self->functions &= ~Func_Move;
 804             if (! (self->mwmhints.functions & MwmFunc_Iconify))
 805                 self->functions &= ~Func_Iconify;
 806             if (! (self->mwmhints.functions & MwmFunc_Maximize))
 807                 self->functions &= ~Func_Maximize;
 808             /* dont let mwm hints kill the close button
 809                if (! (self->mwmhints.functions & MwmFunc_Close))
 810                self->functions &= ~Func_Close; */
 811         }
 812     }
 813
 814     /* can't maximize without moving/resizing */
 815     if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
 816         self->functions &= ~(Func_Maximize | Func_Fullscreen);
 817
 818     /* finally, user specified disabled decorations are applied to subtract
 819        decorations */
 820     if (self->disabled_decorations & Decor_Titlebar)
 821         self->decorations &= ~Decor_Titlebar;
 822     if (self->disabled_decorations & Decor_Handle)
 823         self->decorations &= ~Decor_Handle;
 824     if (self->disabled_decorations & Decor_Border)
 825         self->decorations &= ~Decor_Border;
 826     if (self->disabled_decorations & Decor_Iconify)
 827         self->decorations &= ~Decor_Iconify;
 828     if (self->disabled_decorations & Decor_Maximize)
 829         self->decorations &= ~Decor_Maximize;
 830     if (self->disabled_decorations & Decor_AllDesktops)
 831         self->decorations &= ~Decor_AllDesktops;
 832     if (self->disabled_decorations & Decor_Close)
 833         self->decorations &= ~Decor_Close;
 834
 835     /* if we don't have a titlebar, then we cannot shade! */
 836     if (!(self->decorations & Decor_Titlebar))
 837         self->functions &= ~Func_Shade;
 838
 839     client_change_allowed_actions(self);
 840
 841     if (self->frame) {
 842         /* change the decors on the frame, and with more/less decorations,
 843            we may also need to be repositioned */
 844         engine_frame_adjust_area(self->frame, TRUE, TRUE);
 845         /* with new decor, the window's maximized size may change */
 846         client_remaximize(self);
 847     }
 848 }
 849
 850 static void client_change_allowed_actions(Client *self)
 851 {
 852     Atom actions[9];
 853     int num = 0;
 854
 855     actions[num++] = prop_atoms.net_wm_action_change_desktop;
 856
 857     if (self->functions & Func_Shade)
 858         actions[num++] = prop_atoms.net_wm_action_shade;
 859     if (self->functions & Func_Close)
 860         actions[num++] = prop_atoms.net_wm_action_close;
 861     if (self->functions & Func_Move)
 862         actions[num++] = prop_atoms.net_wm_action_move;
 863     if (self->functions & Func_Iconify)
 864         actions[num++] = prop_atoms.net_wm_action_minimize;
 865     if (self->functions & Func_Resize)
 866         actions[num++] = prop_atoms.net_wm_action_resize;
 867     if (self->functions & Func_Fullscreen)
 868         actions[num++] = prop_atoms.net_wm_action_fullscreen;
 869     if (self->functions & Func_Maximize) {
 870         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
 871         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
 872     }
 873
 874     PROP_SET32A(self->window, net_wm_allowed_actions, atom, actions, num);
 875
 876     /* make sure the window isn't breaking any rules now */
 877
 878     if (!(self->functions & Func_Shade) && self->shaded) {
 879         if (self->frame) client_shade(self, FALSE);
 880         else self->shaded = FALSE;
 881     }
 882     if (!(self->functions & Func_Iconify) && self->iconic) {
 883         if (self->frame) client_iconify(self, FALSE, TRUE);
 884         else self->iconic = FALSE;
 885     }
 886     if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
 887         if (self->frame) client_fullscreen(self, FALSE, TRUE);
 888         else self->fullscreen = FALSE;
 889     }
 890     if (!(self->functions & Func_Maximize) && (self->max_horz ||
 891                                                self->max_vert)) {
 892         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
 893         else self->max_vert = self->max_horz = FALSE;
 894     }
 895 }
 896
 897 void client_remaximize(Client *self)
 898 {
 899     int dir;
 900     if (self->max_horz && self->max_vert)
 901         dir = 0;
 902     else if (self->max_horz)
 903         dir = 1;
 904     else if (self->max_vert)
 905         dir = 2;
 906     else
 907         return; /* not maximized */
 908     self->max_horz = self->max_vert = FALSE;
 909     client_maximize(self, TRUE, dir, FALSE);
 910 }
 911
 912 void client_update_wmhints(Client *self)
 913 {
 914     XWMHints *hints;
 915     gboolean ur = FALSE;
 916
 917     /* assume a window takes input if it doesnt specify */
 918     self->can_focus = TRUE;
 919
 920     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
 921         if (hints->flags & InputHint)
 922             self->can_focus = hints->input;
 923
 924         /* only do this when starting! */
 925         if (ob_state == State_Starting && (hints->flags & StateHint))
 926             self->iconic = hints->initial_state == IconicState;
 927
 928         if (hints->flags & XUrgencyHint)
 929             ur = TRUE;
 930
 931         if (hints->flags & WindowGroupHint) {
 932             if (hints->window_group != self->group) {
 933                 /* XXX: remove from the old group if there was one */
 934                 self->group = hints->window_group;
 935                 /* XXX: do stuff with the group */
 936             }
 937         } else /* no group! */
 938             self->group = None;
 939
 940         if (hints->flags & IconPixmapHint) {
 941             client_update_kwm_icon(self);
 942             /* try get the kwm icon first, this is a fallback only */
 943             if (self->pixmap_icon == None) {
 944                 self->pixmap_icon = hints->icon_pixmap;
 945                 if (hints->flags & IconMaskHint)
 946                     self->pixmap_icon_mask = hints->icon_mask;
 947                 else
 948                     self->pixmap_icon_mask = None;
 949
 950                 if (self->frame)
 951                     engine_frame_adjust_icon(self->frame);
 952             }
 953         }
 954
 955         XFree(hints);
 956     }
 957
 958     if (ur != self->urgent) {
 959         self->urgent = ur;
 960         g_message("Urgent Hint for 0x%lx: %s", self->window,
 961                   ur ? "ON" : "OFF");
 962         /* fire the urgent callback if we're mapped, otherwise, wait until
 963            after we're mapped */
 964         if (self->frame)
 965             dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
 966     }
 967 }
 968
 969 void client_update_title(Client *self)
 970 {
 971     gchar *data = NULL;
 972
 973     g_free(self->title);
 974
 975     /* try netwm */
 976     if (!PROP_GETS(self->window, net_wm_name, utf8, data)) {
 977         /* try old x stuff */
 978         if (PROP_GETS(self->window, wm_name, string, data)) {
 979             /* convert it to UTF-8 */
 980             gsize r, w;
 981             gchar *u;
 982
 983             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
 984             if (u == NULL) {
 985                 g_warning("Unable to convert string to UTF-8");
 986             } else {
 987                 g_free(data);
 988                 data = u;
 989             }
 990         }
 991         if (data == NULL)
 992             data = g_strdup("Unnamed Window");
 993
 994         PROP_SETS(self->window, net_wm_visible_name, utf8, data);
 995     }
 996
 997     self->title = data;
 998
 999     if (self->frame)
1000         engine_frame_adjust_title(self->frame);
1001 }
1002
1003 void client_update_icon_title(Client *self)
1004 {
1005     gchar *data = NULL;
1006
1007     g_free(self->icon_title);
1008
1009     /* try netwm */
1010     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, data)) {
1011         /* try old x stuff */
1012         if (PROP_GETS(self->window, wm_icon_name, string, data)) {
1013             /* convert it to UTF-8 */
1014             gsize r, w;
1015             gchar *u;
1016
1017             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1018             if (u == NULL) {
1019                 g_warning("Unable to convert string to UTF-8");
1020             } else {
1021                 g_free(data);
1022                 data = u;
1023             }
1024         }
1025         if (data == NULL)
1026             data = g_strdup("Unnamed Window");
1027
1028         PROP_SETS(self->window, net_wm_visible_icon_name, utf8, data);
1029     }
1030
1031     self->icon_title = data;
1032 }
1033
1034 void client_update_class(Client *self)
1035 {
1036     GPtrArray *data;
1037     gchar *s;
1038     guint i;
1039
1040     if (self->name) g_free(self->name);
1041     if (self->class) g_free(self->class);
1042     if (self->role) g_free(self->role);
1043
1044     self->name = self->class = self->role = NULL;
1045
1046     data = g_ptr_array_new();
1047
1048     if (PROP_GETSA(self->window, wm_class, string, data)) {
1049         if (data->len > 0)
1050             self->name = g_strdup(g_ptr_array_index(data, 0));
1051         if (data->len > 1)
1052             self->class = g_strdup(g_ptr_array_index(data, 1));
1053     }
1054
1055     for (i = 0; i < data->len; ++i)
1056         g_free(g_ptr_array_index(data, i));
1057     g_ptr_array_free(data, TRUE);
1058
1059     if (PROP_GETS(self->window, wm_window_role, string, s))
1060         self->role = g_strdup(s);
1061
1062     if (self->name == NULL) self->name = g_strdup("");
1063     if (self->class == NULL) self->class = g_strdup("");
1064     if (self->role == NULL) self->role = g_strdup("");
1065 }
1066
1067 void client_update_strut(Client *self)
1068 {
1069     gulong *data;
1070
1071     if (PROP_GET32A(self->window, net_wm_strut, cardinal, data, 4)) {
1072         STRUT_SET(self->strut, data[0], data[1], data[2], data[3]);
1073         g_free(data);
1074     } else
1075         STRUT_SET(self->strut, 0, 0, 0, 0);
1076
1077     /* updating here is pointless while we're being mapped cuz we're not in
1078        the client list yet */
1079     if (self->frame)
1080         screen_update_struts();
1081 }
1082
1083 void client_update_icons(Client *self)
1084 {
1085     unsigned long num;
1086     unsigned long *data;
1087     unsigned long w, h, i;
1088     int j;
1089
1090     for (j = 0; j < self->nicons; ++j)
1091         g_free(self->icons[j].data);
1092     if (self->nicons > 0)
1093         g_free(self->icons);
1094     self->nicons = 0;
1095
1096     if (PROP_GET32U(self->window, net_wm_icon, cardinal, data, num)) {
1097         /* figure out how many valid icons are in here */
1098         i = 0;
1099         while (num - i > 2) {
1100             w = data[i++];
1101             h = data[i++];
1102             i += w * h;
1103             if (i > num) break;
1104             ++self->nicons;
1105         }
1106
1107         self->icons = g_new(Icon, self->nicons);
1108
1109         /* store the icons */
1110         i = 0;
1111         for (j = 0; j < self->nicons; ++j) {
1112             w = self->icons[j].w = data[i++];
1113             h = self->icons[j].h = data[i++];
1114             self->icons[j].data =
1115                 g_memdup(&data[i], w * h * sizeof(gulong));
1116             i += w * h;
1117             g_assert(i <= num);
1118         }
1119
1120         g_free(data);
1121     }
1122
1123     if (self->nicons <= 0) {
1124         self->nicons = 1;
1125         self->icons = g_new0(Icon, 1);
1126     }
1127
1128     if (self->frame)
1129         engine_frame_adjust_icon(self->frame);
1130 }
1131
1132 void client_update_kwm_icon(Client *self)
1133 {
1134     Pixmap *data;
1135
1136     if (PROP_GET32A(self->window, kwm_win_icon, kwm_win_icon, data, 2)) {
1137         self->pixmap_icon = data[0];
1138         self->pixmap_icon_mask = data[1];
1139         g_free(data);
1140     } else {
1141         self->pixmap_icon = self->pixmap_icon_mask = None;
1142     }
1143     if (self->frame)
1144         engine_frame_adjust_icon(self->frame);
1145 }
1146
1147 static void client_change_state(Client *self)
1148 {
1149     unsigned long state[2];
1150     Atom netstate[10];
1151     int num;
1152
1153     state[0] = self->wmstate;
1154     state[1] = None;
1155     PROP_SET32A(self->window, wm_state, wm_state, state, 2);
1156
1157     num = 0;
1158     if (self->modal)
1159         netstate[num++] = prop_atoms.net_wm_state_modal;
1160     if (self->shaded)
1161         netstate[num++] = prop_atoms.net_wm_state_shaded;
1162     if (self->iconic)
1163         netstate[num++] = prop_atoms.net_wm_state_hidden;
1164     if (self->skip_taskbar)
1165         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1166     if (self->skip_pager)
1167         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1168     if (self->fullscreen)
1169         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1170     if (self->max_vert)
1171         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1172     if (self->max_horz)
1173         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1174     if (self->above)
1175         netstate[num++] = prop_atoms.net_wm_state_above;
1176     if (self->below)
1177         netstate[num++] = prop_atoms.net_wm_state_below;
1178     PROP_SET32A(self->window, net_wm_state, atom, netstate, num);
1179
1180     client_calc_layer(self);
1181
1182     if (self->frame)
1183         engine_frame_adjust_state(self->frame);
1184 }
1185
1186 static Client *search_focus_tree(Client *node, Client *skip)
1187 {
1188     GSList *it;
1189     Client *ret;
1190
1191     for (it = node->transients; it != NULL; it = it->next) {
1192         Client *c = it->data;
1193         if (c == skip) continue; /* circular? */
1194         if ((ret = search_focus_tree(c, skip))) return ret;
1195         if (client_focused(c)) return c;
1196     }
1197     return NULL;
1198 }
1199
1200 void client_calc_layer(Client *self)
1201 {
1202     StackLayer l;
1203     gboolean fs;
1204     Client *c;
1205
1206     /* are we fullscreen, or do we have a fullscreen transient parent? */
1207     c = self;
1208     fs = FALSE;
1209     while (c) {
1210         if (c->fullscreen) {
1211             fs = TRUE;
1212             break;
1213         }
1214         c = c->transient_for;
1215     }
1216     if (!fs && self->fullscreen) {
1217         /* is one of our transients focused? */
1218         c = search_focus_tree(self, self);
1219         if (c != NULL) fs = TRUE;
1220     }
1221
1222     if (self->iconic) l = Layer_Icon;
1223     else if (fs) l = Layer_Fullscreen;
1224     else if (self->type == Type_Desktop) l = Layer_Desktop;
1225     else if (self->type == Type_Dock) {
1226         if (!self->below) l = Layer_Top;
1227         else l = Layer_Normal;
1228     }
1229     else if (self->above) l = Layer_Above;
1230     else if (self->below) l = Layer_Below;
1231     else l = Layer_Normal;
1232
1233     if (l != self->layer) {
1234         self->layer = l;
1235         if (self->frame)
1236             stacking_raise(self);
1237     }
1238 }
1239
1240 gboolean client_should_show(Client *self)
1241 {
1242     if (self->iconic) return FALSE;
1243     else if (!(self->desktop == screen_desktop ||
1244                self->desktop == DESKTOP_ALL)) return FALSE;
1245     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1246
1247     return TRUE;
1248 }
1249
1250 static void client_showhide(Client *self)
1251 {
1252
1253     if (client_should_show(self))
1254         engine_frame_show(self->frame);
1255     else
1256         engine_frame_hide(self->frame);
1257 }
1258
1259 gboolean client_normal(Client *self) {
1260     return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1261               self->type == Type_Splash);
1262 }
1263
1264 static void client_apply_startup_state(Client *self)
1265 {
1266     /* these are in a carefully crafted order.. */
1267
1268     if (self->iconic) {
1269         self->iconic = FALSE;
1270         client_iconify(self, TRUE, FALSE);
1271     }
1272     if (self->fullscreen) {
1273         self->fullscreen = FALSE;
1274         client_fullscreen(self, TRUE, FALSE);
1275     }
1276     if (self->shaded) {
1277         self->shaded = FALSE;
1278         client_shade(self, TRUE);
1279     }
1280     if (self->urgent)
1281         dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1282
1283     if (self->max_vert && self->max_horz) {
1284         self->max_vert = self->max_horz = FALSE;
1285         client_maximize(self, TRUE, 0, FALSE);
1286     } else if (self->max_vert) {
1287         self->max_vert = FALSE;
1288         client_maximize(self, TRUE, 2, FALSE);
1289     } else if (self->max_horz) {
1290         self->max_horz = FALSE;
1291         client_maximize(self, TRUE, 1, FALSE);
1292     }
1293
1294     /* nothing to do for the other states:
1295        skip_taskbar
1296        skip_pager
1297        modal
1298        above
1299        below
1300     */
1301 }
1302
1303 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1304                       gboolean user, gboolean final)
1305 {
1306     gboolean moved = FALSE, resized = FALSE;
1307
1308     /* set the size and position if fullscreen */
1309     if (self->fullscreen) {
1310         x = 0;
1311         y = 0;
1312         w = screen_physical_size.width;
1313         h = screen_physical_size.height;
1314     } else {
1315         /* set the size and position if maximized */
1316         if (self->max_horz) {
1317             x = screen_area(self->desktop)->x - self->frame->size.left;
1318             w = screen_area(self->desktop)->x +
1319                 screen_area(self->desktop)->width;
1320         }
1321         if (self->max_vert) {
1322             y = screen_area(self->desktop)->y;
1323             h = screen_area(self->desktop)->y +
1324                 screen_area(self->desktop)->height -
1325                 self->frame->size.top - self->frame->size.bottom;
1326         }
1327     }
1328
1329     /* these override the above states! if you cant move you can't move! */
1330     if (user) {
1331         if (!(self->functions & Func_Move)) {
1332             x = self->area.x;
1333             y = self->area.y;
1334         }
1335         if (!(self->functions & Func_Resize)) {
1336             w = self->area.width;
1337             h = self->area.height;
1338         }
1339     }
1340
1341     if (!(w == self->area.width && h == self->area.height)) {
1342         w -= self->base_size.width;
1343         h -= self->base_size.height;
1344
1345         if (user) {
1346             /* for interactive resizing. have to move half an increment in each
1347                direction. */
1348
1349             /* how far we are towards the next size inc */
1350             int mw = w % self->size_inc.width;
1351             int mh = h % self->size_inc.height;
1352             /* amount to add */
1353             int aw = self->size_inc.width / 2;
1354             int ah = self->size_inc.height / 2;
1355             /* don't let us move into a new size increment */
1356             if (mw + aw >= self->size_inc.width)
1357                 aw = self->size_inc.width - mw - 1;
1358             if (mh + ah >= self->size_inc.height)
1359                 ah = self->size_inc.height - mh - 1;
1360             w += aw;
1361             h += ah;
1362
1363             /* if this is a user-requested resize, then check against min/max
1364                sizes and aspect ratios */
1365
1366             /* smaller than min size or bigger than max size? */
1367             if (w > self->max_size.width) w = self->max_size.width;
1368             if (w < self->min_size.width) w = self->min_size.width;
1369             if (h > self->max_size.height) h = self->max_size.height;
1370             if (h < self->min_size.height) h = self->min_size.height;
1371
1372             /* adjust the height ot match the width for the aspect ratios */
1373             if (self->min_ratio)
1374                 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1375             if (self->max_ratio)
1376                 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1377         }
1378
1379         /* keep to the increments */
1380         w /= self->size_inc.width;
1381         h /= self->size_inc.height;
1382
1383         /* you cannot resize to nothing */
1384         if (w < 1) w = 1;
1385         if (h < 1) h = 1;
1386
1387         /* store the logical size */
1388         SIZE_SET(self->logical_size, w, h);
1389
1390         w *= self->size_inc.width;
1391         h *= self->size_inc.height;
1392
1393         w += self->base_size.width;
1394         h += self->base_size.height;
1395     }
1396
1397     switch (anchor) {
1398     case Corner_TopLeft:
1399         break;
1400     case Corner_TopRight:
1401         x -= w - self->area.width;
1402         break;
1403     case Corner_BottomLeft:
1404         y -= h - self->area.height;
1405         break;
1406     case Corner_BottomRight:
1407         x -= w - self->area.width;
1408         y -= h - self->area.height;
1409         break;
1410     }
1411
1412     moved = x != self->area.x || y != self->area.y;
1413     resized = w != self->area.width || h != self->area.height;
1414
1415     RECT_SET(self->area, x, y, w, h);
1416
1417     if (resized)
1418         XResizeWindow(ob_display, self->window, w, h);
1419
1420     /* move/resize the frame to match the request */
1421     if (self->frame) {
1422         if (moved || resized)
1423             engine_frame_adjust_area(self->frame, moved, resized);
1424
1425         if (!user || final) {
1426             XEvent event;
1427             event.type = ConfigureNotify;
1428             event.xconfigure.display = ob_display;
1429             event.xconfigure.event = self->window;
1430             event.xconfigure.window = self->window;
1431
1432             /* root window coords with border in mind */
1433             event.xconfigure.x = x - self->border_width +
1434                 self->frame->size.left;
1435             event.xconfigure.y = y - self->border_width +
1436                 self->frame->size.top;
1437
1438             event.xconfigure.width = self->area.width;
1439             event.xconfigure.height = self->area.height;
1440             event.xconfigure.border_width = self->border_width;
1441             event.xconfigure.above = self->frame->plate;
1442             event.xconfigure.override_redirect = FALSE;
1443             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1444                        FALSE, StructureNotifyMask, &event);
1445         }
1446     }
1447 }
1448
1449 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1450 {
1451     int x, y, w, h;
1452
1453     if (!(self->functions & Func_Fullscreen) || /* can't */
1454         self->fullscreen == fs) return;         /* already done */
1455
1456     self->fullscreen = fs;
1457     client_change_state(self); /* change the state hints on the client */
1458
1459     if (fs) {
1460         /* save the functions and remove them */
1461         self->pre_fs_func = self->functions;
1462         self->functions &= (Func_Close | Func_Fullscreen |
1463                             Func_Iconify);
1464         /* save the decorations and remove them */
1465         self->pre_fs_decor = self->decorations;
1466         self->decorations = 0;
1467         if (savearea) {
1468             long dimensions[4];
1469             dimensions[0] = self->area.x;
1470             dimensions[1] = self->area.y;
1471             dimensions[2] = self->area.width;
1472             dimensions[3] = self->area.height;
1473
1474             PROP_SET32A(self->window, openbox_premax, cardinal,
1475                         dimensions, 4);
1476         }
1477
1478         /* these are not actually used cuz client_configure will set them
1479            as appropriate when the window is fullscreened */
1480         x = y = w = h = 0;
1481     } else {
1482         long *dimensions;
1483
1484         self->functions = self->pre_fs_func;
1485         self->decorations = self->pre_fs_decor;
1486
1487         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1488                         dimensions, 4)) {
1489             x = dimensions[0];
1490             y = dimensions[1];
1491             w = dimensions[2];
1492             h = dimensions[3];
1493             g_free(dimensions);
1494         } else {
1495             /* pick some fallbacks... */
1496             x = screen_area(self->desktop)->x +
1497                 screen_area(self->desktop)->width / 4;
1498             y = screen_area(self->desktop)->y +
1499                 screen_area(self->desktop)->height / 4;
1500             w = screen_area(self->desktop)->width / 2;
1501             h = screen_area(self->desktop)->height / 2;
1502         }
1503     }
1504
1505     client_change_allowed_actions(self); /* based on the new _functions */
1506
1507     /* when fullscreening, don't obey things like increments, fill the
1508        screen */
1509     client_configure(self, Corner_TopLeft, x, y, w, h, !fs, TRUE);
1510
1511     /* raise (back) into our stacking layer */
1512     stacking_raise(self);
1513
1514     /* try focus us when we go into fullscreen mode */
1515     client_focus(self);
1516 }
1517
1518 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1519 {
1520     if (self->iconic == iconic) return; /* nothing to do */
1521
1522     g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1523               self->window);
1524
1525     self->iconic = iconic;
1526
1527     if (iconic) {
1528         self->wmstate = IconicState;
1529         self->ignore_unmaps++;
1530         /* we unmap the client itself so that we can get MapRequest events,
1531            and because the ICCCM tells us to! */
1532         XUnmapWindow(ob_display, self->window);
1533     } else {
1534         if (curdesk)
1535             client_set_desktop(self, screen_desktop);
1536         self->wmstate = self->shaded ? IconicState : NormalState;
1537         XMapWindow(ob_display, self->window);
1538     }
1539     client_change_state(self);
1540     client_showhide(self);
1541     screen_update_struts();
1542
1543     dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1544                     self, 0, 0);
1545 }
1546
1547 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1548 {
1549     int x, y, w, h;
1550
1551     g_assert(dir == 0 || dir == 1 || dir == 2);
1552     if (!(self->functions & Func_Maximize)) return; /* can't */
1553
1554     /* check if already done */
1555     if (max) {
1556         if (dir == 0 && self->max_horz && self->max_vert) return;
1557         if (dir == 1 && self->max_horz) return;
1558         if (dir == 2 && self->max_vert) return;
1559     } else {
1560         if (dir == 0 && !self->max_horz && !self->max_vert) return;
1561         if (dir == 1 && !self->max_horz) return;
1562         if (dir == 2 && !self->max_vert) return;
1563     }
1564
1565     /* work with the frame's coords */
1566     x = self->frame->area.x;
1567     y = self->frame->area.y;
1568     w = self->area.width;
1569     h = self->area.height;
1570
1571     if (max) {
1572         if (savearea) {
1573             long dimensions[4];
1574             long *readdim;
1575
1576             dimensions[0] = x;
1577             dimensions[1] = y;
1578             dimensions[2] = w;
1579             dimensions[3] = h;
1580
1581             /* get the property off the window and use it for the dimensions
1582                we are already maxed on */
1583             if (PROP_GET32A(self->window, openbox_premax, cardinal,
1584                             readdim, 4)) {
1585                 if (self->max_horz) {
1586                     dimensions[0] = readdim[0];
1587                     dimensions[2] = readdim[2];
1588                 }
1589                 if (self->max_vert) {
1590                     dimensions[1] = readdim[1];
1591                     dimensions[3] = readdim[3];
1592                 }
1593                 g_free(readdim);
1594             }
1595
1596             PROP_SET32A(self->window, openbox_premax, cardinal,
1597                         dimensions, 4);
1598         }
1599
1600         /* pass the client's current position info. the client_configure
1601            will move/size stuff as appropriate for a maximized window */
1602         x = self->area.x;
1603         y = self->area.y;
1604         w = self->area.width;
1605         h = self->area.height;
1606     } else {
1607         long *dimensions;
1608
1609         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1610                         dimensions, 4)) {
1611             if (dir == 0 || dir == 1) { /* horz */
1612                 x = dimensions[0];
1613                 w = dimensions[2];
1614             }
1615             if (dir == 0 || dir == 2) { /* vert */
1616                 y = dimensions[1];
1617                 h = dimensions[3];
1618             }
1619             g_free(dimensions);
1620         } else {
1621             /* pick some fallbacks... */
1622             if (dir == 0 || dir == 1) { /* horz */
1623                 x = screen_area(self->desktop)->x +
1624                     screen_area(self->desktop)->width / 4;
1625                 w = screen_area(self->desktop)->width / 2;
1626             }
1627             if (dir == 0 || dir == 2) { /* vert */
1628                 y = screen_area(self->desktop)->y +
1629                     screen_area(self->desktop)->height / 4;
1630                 h = screen_area(self->desktop)->height / 2;
1631             }
1632         }
1633     }
1634
1635     if (dir == 0 || dir == 1) /* horz */
1636         self->max_horz = max;
1637     if (dir == 0 || dir == 2) /* vert */
1638         self->max_vert = max;
1639
1640     if (!self->max_horz && !self->max_vert)
1641         PROP_ERASE(self->window, openbox_premax);
1642
1643     client_change_state(self); /* change the state hints on the client */
1644
1645     /* figure out where the client should be going */
1646     frame_frame_gravity(self->frame, &x, &y);
1647     client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1648 }
1649
1650 void client_shade(Client *self, gboolean shade)
1651 {
1652     if (!(self->functions & Func_Shade) || /* can't */
1653         self->shaded == shade) return;     /* already done */
1654
1655     /* when we're iconic, don't change the wmstate */
1656     if (!self->iconic)
1657         self->wmstate = shade ? IconicState : NormalState;
1658     self->shaded = shade;
1659     client_change_state(self);
1660     /* resize the frame to just the titlebar */
1661     engine_frame_adjust_area(self->frame, FALSE, FALSE);
1662 }
1663
1664 void client_close(Client *self)
1665 {
1666     XEvent ce;
1667
1668     if (!(self->functions & Func_Close)) return;
1669
1670     /*
1671       XXX: itd be cool to do timeouts and shit here for killing the client's
1672       process off
1673       like... if the window is around after 5 seconds, then the close button
1674       turns a nice red, and if this function is called again, the client is
1675       explicitly killed.
1676     */
1677
1678     ce.xclient.type = ClientMessage;
1679     ce.xclient.message_type =  prop_atoms.wm_protocols;
1680     ce.xclient.display = ob_display;
1681     ce.xclient.window = self->window;
1682     ce.xclient.format = 32;
1683     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
1684     ce.xclient.data.l[1] = event_lasttime;
1685     ce.xclient.data.l[2] = 0l;
1686     ce.xclient.data.l[3] = 0l;
1687     ce.xclient.data.l[4] = 0l;
1688     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1689 }
1690
1691 void client_kill(Client *self)
1692 {
1693     XKillClient(ob_display, self->window);
1694 }
1695
1696 void client_set_desktop(Client *self, guint target)
1697 {
1698     guint old, i;
1699
1700     if (target == self->desktop) return;
1701
1702     g_message("Setting desktop %u\n", target);
1703
1704     g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
1705
1706     old = self->desktop;
1707     self->desktop = target;
1708     PROP_SET32(self->window, net_wm_desktop, cardinal, target);
1709     /* the frame can display the current desktop state */
1710     engine_frame_adjust_state(self->frame);
1711     /* 'move' the window to the new desktop */
1712     client_showhide(self);
1713     screen_update_struts();
1714
1715     /* update the focus lists */
1716     if (old == DESKTOP_ALL) {
1717         for (i = 0; i < screen_num_desktops; ++i)
1718             focus_order[i] = g_list_remove(focus_order[i], self);
1719         focus_order[target] = g_list_prepend(focus_order[target], self);
1720     } else {
1721         focus_order[old] = g_list_remove(focus_order[old], self);
1722         if (target == DESKTOP_ALL)
1723             for (i = 0; i < screen_num_desktops; ++i)
1724                 focus_order[i] = g_list_prepend(focus_order[i], self);
1725     }
1726
1727     dispatch_client(Event_Client_Desktop, self, target, old);
1728 }
1729
1730 static Client *search_modal_tree(Client *node, Client *skip)
1731 {
1732     GSList *it;
1733     Client *ret;
1734
1735     for (it = node->transients; it != NULL; it = it->next) {
1736         Client *c = it->data;
1737         if (c == skip) continue; /* circular? */
1738         if ((ret = search_modal_tree(c, skip))) return ret;
1739         if (c->modal) return c;
1740     }
1741     return NULL;
1742 }
1743
1744 Client *client_find_modal_child(Client *self)
1745 {
1746     return search_modal_tree(self, self);
1747 }
1748
1749 gboolean client_validate(Client *self)
1750 {
1751     XEvent e;
1752
1753     XSync(ob_display, FALSE); /* get all events on the server */
1754
1755     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
1756         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
1757         XPutBackEvent(ob_display, &e);
1758         return FALSE;
1759     }
1760
1761     return TRUE;
1762 }
1763
1764 void client_set_wm_state(Client *self, long state)
1765 {
1766     if (state == self->wmstate) return; /* no change */
1767
1768     switch (state) {
1769     case IconicState:
1770         client_iconify(self, TRUE, TRUE);
1771         break;
1772     case NormalState:
1773         client_iconify(self, FALSE, TRUE);
1774         break;
1775     }
1776 }
1777
1778 void client_set_state(Client *self, Atom action, long data1, long data2)
1779 {
1780     gboolean shaded = self->shaded;
1781     gboolean fullscreen = self->fullscreen;
1782     gboolean max_horz = self->max_horz;
1783     gboolean max_vert = self->max_vert;
1784     int i;
1785
1786     if (!(action == prop_atoms.net_wm_state_add ||
1787           action == prop_atoms.net_wm_state_remove ||
1788           action == prop_atoms.net_wm_state_toggle))
1789         /* an invalid action was passed to the client message, ignore it */
1790         return;
1791
1792     for (i = 0; i < 2; ++i) {
1793         Atom state = i == 0 ? data1 : data2;
1794
1795         if (!state) continue;
1796
1797         /* if toggling, then pick whether we're adding or removing */
1798         if (action == prop_atoms.net_wm_state_toggle) {
1799             if (state == prop_atoms.net_wm_state_modal)
1800                 action = self->modal ? prop_atoms.net_wm_state_remove :
1801                     prop_atoms.net_wm_state_add;
1802             else if (state == prop_atoms.net_wm_state_maximized_vert)
1803                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
1804                     prop_atoms.net_wm_state_add;
1805             else if (state == prop_atoms.net_wm_state_maximized_horz)
1806                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
1807                     prop_atoms.net_wm_state_add;
1808             else if (state == prop_atoms.net_wm_state_shaded)
1809                 action = self->shaded ? prop_atoms.net_wm_state_remove :
1810                     prop_atoms.net_wm_state_add;
1811             else if (state == prop_atoms.net_wm_state_skip_taskbar)
1812                 action = self->skip_taskbar ?
1813                     prop_atoms.net_wm_state_remove :
1814                     prop_atoms.net_wm_state_add;
1815             else if (state == prop_atoms.net_wm_state_skip_pager)
1816                 action = self->skip_pager ?
1817                     prop_atoms.net_wm_state_remove :
1818                     prop_atoms.net_wm_state_add;
1819             else if (state == prop_atoms.net_wm_state_fullscreen)
1820                 action = self->fullscreen ?
1821                     prop_atoms.net_wm_state_remove :
1822                     prop_atoms.net_wm_state_add;
1823             else if (state == prop_atoms.net_wm_state_above)
1824                 action = self->above ? prop_atoms.net_wm_state_remove :
1825                     prop_atoms.net_wm_state_add;
1826             else if (state == prop_atoms.net_wm_state_below)
1827                 action = self->below ? prop_atoms.net_wm_state_remove :
1828                     prop_atoms.net_wm_state_add;
1829         }
1830
1831         if (action == prop_atoms.net_wm_state_add) {
1832             if (state == prop_atoms.net_wm_state_modal) {
1833                 /* XXX raise here or something? */
1834                 self->modal = TRUE;
1835             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1836                 max_vert = TRUE;
1837             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1838                 max_horz = TRUE;
1839             } else if (state == prop_atoms.net_wm_state_shaded) {
1840                 shaded = TRUE;
1841             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1842                 self->skip_taskbar = TRUE;
1843             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1844                 self->skip_pager = TRUE;
1845             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1846                 fullscreen = TRUE;
1847             } else if (state == prop_atoms.net_wm_state_above) {
1848                 self->above = TRUE;
1849             } else if (state == prop_atoms.net_wm_state_below) {
1850                 self->below = TRUE;
1851             }
1852
1853         } else { /* action == prop_atoms.net_wm_state_remove */
1854             if (state == prop_atoms.net_wm_state_modal) {
1855                 self->modal = FALSE;
1856             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1857                 max_vert = FALSE;
1858             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1859                 max_horz = FALSE;
1860             } else if (state == prop_atoms.net_wm_state_shaded) {
1861                 shaded = FALSE;
1862             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1863                 self->skip_taskbar = FALSE;
1864             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1865                 self->skip_pager = FALSE;
1866             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1867                 fullscreen = FALSE;
1868             } else if (state == prop_atoms.net_wm_state_above) {
1869                 self->above = FALSE;
1870             } else if (state == prop_atoms.net_wm_state_below) {
1871                 self->below = FALSE;
1872             }
1873         }
1874     }
1875     if (max_horz != self->max_horz || max_vert != self->max_vert) {
1876         if (max_horz != self->max_horz && max_vert != self->max_vert) {
1877             /* toggling both */
1878             if (max_horz == max_vert) { /* both going the same way */
1879                 client_maximize(self, max_horz, 0, TRUE);
1880             } else {
1881                 client_maximize(self, max_horz, 1, TRUE);
1882                 client_maximize(self, max_vert, 2, TRUE);
1883             }
1884         } else {
1885             /* toggling one */
1886             if (max_horz != self->max_horz)
1887                 client_maximize(self, max_horz, 1, TRUE);
1888             else
1889                 client_maximize(self, max_vert, 2, TRUE);
1890         }
1891     }
1892     /* change fullscreen state before shading, as it will affect if the window
1893        can shade or not */
1894     if (fullscreen != self->fullscreen)
1895         client_fullscreen(self, fullscreen, TRUE);
1896     if (shaded != self->shaded)
1897         client_shade(self, shaded);
1898     client_calc_layer(self);
1899     client_change_state(self); /* change the hint to relect these changes */
1900 }
1901
1902 gboolean client_focus(Client *self)
1903 {
1904     XEvent ev;
1905     Client *child;
1906
1907     /* if we have a modal child, then focus it, not us */
1908     child = client_find_modal_child(self);
1909     if (child)
1910         return client_focus(child);
1911
1912     /* won't try focus if the client doesn't want it, or if the window isn't
1913        visible on the screen */
1914     if (!(self->frame->visible &&
1915           (self->can_focus || self->focus_notify)))
1916         return FALSE;
1917
1918     /* do a check to see if the window has already been unmapped or destroyed
1919        do this intelligently while watching out for unmaps we've generated
1920        (ignore_unmaps > 0) */
1921     if (XCheckTypedWindowEvent(ob_display, self->window,
1922                                DestroyNotify, &ev)) {
1923         XPutBackEvent(ob_display, &ev);
1924         return FALSE;
1925     }
1926     while (XCheckTypedWindowEvent(ob_display, self->window,
1927                                   UnmapNotify, &ev)) {
1928         if (self->ignore_unmaps) {
1929             self->ignore_unmaps--;
1930         } else {
1931             XPutBackEvent(ob_display, &ev);
1932             return FALSE;
1933         }
1934     }
1935
1936     if (self->can_focus)
1937         XSetInputFocus(ob_display, self->window, RevertToNone,
1938                        CurrentTime);
1939
1940     if (self->focus_notify) {
1941         XEvent ce;
1942         ce.xclient.type = ClientMessage;
1943         ce.xclient.message_type = prop_atoms.wm_protocols;
1944         ce.xclient.display = ob_display;
1945         ce.xclient.window = self->window;
1946         ce.xclient.format = 32;
1947         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
1948         ce.xclient.data.l[1] = CurrentTime;
1949         ce.xclient.data.l[2] = 0l;
1950         ce.xclient.data.l[3] = 0l;
1951         ce.xclient.data.l[4] = 0l;
1952         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1953     }
1954
1955     /* XSync(ob_display, FALSE); XXX Why sync? */
1956     return TRUE;
1957 }
1958
1959 void client_unfocus(Client *self)
1960 {
1961     g_assert(focus_client == self);
1962     client_set_focused(self, FALSE);
1963 }
1964
1965 gboolean client_focused(Client *self)
1966 {
1967     return self == focus_client;
1968 }
1969
1970 void client_set_focused(Client *self, gboolean focused)
1971 {
1972     if (focused) {
1973         if (focus_client != self)
1974             focus_set_client(self);
1975     } else {
1976         if (focus_client == self)
1977             focus_set_client(NULL);
1978     }
1979
1980     /* focus state can affect the stacking layer */
1981     client_calc_layer(self);
1982
1983     engine_frame_adjust_focus(self->frame);
1984 }