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