openbox/client.c

   1 #include "client.h"
   2 #include "screen.h"
   3 #include "prop.h"
   4 #include "extensions.h"
   5 #include "config.h"
   6 #include "frame.h"
   7 #include "engine.h"
   8 #include "event.h"
   9 #include "grab.h"
  10 #include "focus.h"
  11 #include "stacking.h"
  12 #include "dispatch.h"
  13
  14 #include <glib.h>
  15 #include <X11/Xutil.h>
  16
  17 /*! The event mask to grab on client windows */
  18 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  19                           StructureNotifyMask)
  20
  21 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  22                                 ButtonMotionMask)
  23
  24 GSList     *client_list      = NULL;
  25 GHashTable *client_map       = NULL;
  26
  27 static Window *client_startup_stack_order = NULL;
  28 static gulong  client_startup_stack_size = 0;
  29
  30 static void client_get_all(Client *self);
  31 static void client_toggle_border(Client *self, gboolean show);
  32 static void client_get_area(Client *self);
  33 static void client_get_desktop(Client *self);
  34 static void client_get_state(Client *self);
  35 static void client_get_shaped(Client *self);
  36 static void client_get_mwm_hints(Client *self);
  37 static void client_get_gravity(Client *self);
  38 static void client_showhide(Client *self);
  39 static void client_change_allowed_actions(Client *self);
  40 static void client_change_state(Client *self);
  41 static Client *search_focus_tree(Client *node, Client *skip);
  42 static void client_apply_startup_state(Client *self);
  43 static Client *search_modal_tree(Client *node, Client *skip);
  44
  45 static guint map_hash(Window *w) { return *w; }
  46 static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
  47
  48 void client_startup()
  49 {
  50     client_map = g_hash_table_new((GHashFunc)map_hash,
  51                                   (GEqualFunc)map_key_comp);
  52
  53     /* save the stacking order on startup! */
  54     PROP_GET32U(ob_root, net_client_list_stacking, window,
  55                 client_startup_stack_order, client_startup_stack_size);
  56
  57     client_set_list();
  58 }
  59
  60 void client_shutdown()
  61 {
  62     g_hash_table_destroy(client_map);
  63 }
  64
  65 void client_set_list()
  66 {
  67     Window *windows, *win_it;
  68     GSList *it;
  69     guint size = g_slist_length(client_list);
  70
  71     /* create an array of the window ids */
  72     if (size > 0) {
  73         windows = g_new(Window, size);
  74         win_it = windows;
  75         for (it = client_list; it != NULL; it = it->next, ++win_it)
  76             *win_it = ((Client*)it->data)->window;
  77     } else
  78         windows = NULL;
  79
  80     PROP_SET32A(ob_root, net_client_list, window, windows, size);
  81
  82     if (windows)
  83         g_free(windows);
  84
  85     stacking_set_list();
  86 }
  87
  88 void client_manage_all()
  89 {
  90     ConfigValue focus_new;
  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        why with stacking_lower? Why, because then windows who aren't in the
 128        stacking list are on the top where you can see them instead of buried
 129        at the bottom! */
 130     for (i = client_startup_stack_size; i > 0; --i) {
 131         Client *c;
 132
 133         w = client_startup_stack_order[i-1];
 134         c = g_hash_table_lookup(client_map, &w);
 135         g_message("0x%lx %d %d", c->window, c->iconic, c->shaded);
 136         if (c) stacking_lower(c);
 137     }
 138     g_free(client_startup_stack_order);
 139     client_startup_stack_order = NULL;
 140     client_startup_stack_size = 0;
 141
 142     if (!config_get("focusNew", Config_Bool, &focus_new))
 143         g_assert_not_reached();
 144     if (focus_new.bool)
 145         focus_fallback(FALSE);
 146 }
 147
 148 void client_manage(Window window)
 149 {
 150     Client *client;
 151     XEvent e;
 152     XWindowAttributes attrib;
 153     XSetWindowAttributes attrib_set;
 154 /*    XWMHints *wmhint; */
 155     guint i;
 156     ConfigValue focus_new;
 157
 158     grab_server(TRUE);
 159
 160     /* check if it has already been unmapped by the time we started mapping
 161        the grab does a sync so we don't have to here */
 162     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 163         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 164         XPutBackEvent(ob_display, &e);
 165
 166         grab_server(FALSE);
 167         return; /* don't manage it */
 168     }
 169
 170     /* make sure it isn't an override-redirect window */
 171     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 172         attrib.override_redirect) {
 173         grab_server(FALSE);
 174         return; /* don't manage it */
 175     }
 176
 177 /*    /\* is the window a docking app *\/
 178     if ((wmhint = XGetWMHints(ob_display, window))) {
 179         if ((wmhint->flags & StateHint) &&
 180             wmhint->initial_state == WithdrawnState) {
 181             /\* XXX: make dock apps work! *\/
 182             grab_server(FALSE);
 183             XFree(wmhint);
 184             return;
 185         }
 186         XFree(wmhint);
 187     }
 188 */
 189
 190     /* choose the events we want to receive on the CLIENT window */
 191     attrib_set.event_mask = CLIENT_EVENTMASK;
 192     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 193     XChangeWindowAttributes(ob_display, window,
 194                             CWEventMask|CWDontPropagate, &attrib_set);
 195
 196
 197     /* create the Client struct, and populate it from the hints on the
 198        window */
 199     client = g_new(Client, 1);
 200     client->window = window;
 201     client_get_all(client);
 202
 203     /* remove the client's border (and adjust re gravity) */
 204     client_toggle_border(client, FALSE);
 205
 206     /* specify that if we exit, the window should not be destroyed and should
 207        be reparented back to root automatically */
 208     XChangeSaveSet(ob_display, window, SetModeInsert);
 209
 210     /* create the decoration frame for the client window */
 211     client->frame = engine_frame_new();
 212
 213     engine_frame_grab_client(client->frame, client);
 214
 215     client_apply_startup_state(client);
 216
 217     grab_server(FALSE);
 218
 219     client_list = g_slist_append(client_list, client);
 220     stacking_list = g_list_append(stacking_list, client);
 221     g_assert(!g_hash_table_lookup(client_map, &client->window));
 222     g_hash_table_insert(client_map, &client->window, client);
 223
 224     /* update the focus lists */
 225     if (client->desktop == DESKTOP_ALL) {
 226         for (i = 0; i < screen_num_desktops; ++i)
 227             focus_order[i] = g_list_append(focus_order[i], client);
 228     } else {
 229         i = client->desktop;
 230         focus_order[i] = g_list_append(focus_order[i], client);
 231     }
 232
 233     stacking_raise(client);
 234
 235     screen_update_struts();
 236
 237     dispatch_client(Event_Client_New, client, 0, 0);
 238
 239     client_showhide(client);
 240
 241     dispatch_client(Event_Client_Mapped, client, 0, 0);
 242
 243     if (!config_get("focusNew", Config_Bool, &focus_new))
 244         g_assert_not_reached();
 245     if (ob_state != State_Starting && focus_new.bool)
 246         client_focus(client);
 247
 248     /* update the list hints */
 249     client_set_list();
 250
 251 /*    g_message("Managed window 0x%lx", window);*/
 252 }
 253
 254 void client_unmanage_all()
 255 {
 256     while (client_list != NULL)
 257         client_unmanage(client_list->data);
 258 }
 259
 260 void client_unmanage(Client *client)
 261 {
 262     guint i;
 263     int j;
 264     GSList *it;
 265
 266 /*    g_message("Unmanaging window: %lx", client->window);*/
 267
 268     dispatch_client(Event_Client_Destroy, client, 0, 0);
 269     g_assert(client != NULL);
 270
 271     /* remove the window from our save set */
 272     XChangeSaveSet(ob_display, client->window, SetModeDelete);
 273
 274     /* we dont want events no more */
 275     XSelectInput(ob_display, client->window, NoEventMask);
 276
 277     engine_frame_hide(client->frame);
 278
 279     client_list = g_slist_remove(client_list, client);
 280     stacking_list = g_list_remove(stacking_list, client);
 281     g_hash_table_remove(client_map, &client->window);
 282
 283     /* update the focus lists */
 284     if (client->desktop == DESKTOP_ALL) {
 285         for (i = 0; i < screen_num_desktops; ++i)
 286             focus_order[i] = g_list_remove(focus_order[i], client);
 287     } else {
 288         i = client->desktop;
 289         focus_order[i] = g_list_remove(focus_order[i], client);
 290     }
 291
 292     /* once the client is out of the list, update the struts to remove it's
 293        influence */
 294     screen_update_struts();
 295
 296     /* tell our parent that we're gone */
 297     if (client->transient_for != NULL)
 298         client->transient_for->transients =
 299             g_slist_remove(client->transient_for->transients, client);
 300
 301     /* tell our transients that we're gone */
 302     for (it = client->transients; it != NULL; it = it->next) {
 303         ((Client*)it->data)->transient_for = NULL;
 304         client_calc_layer(it->data);
 305     }
 306
 307     /* dispatch the unmapped event */
 308     dispatch_client(Event_Client_Unmapped, client, 0, 0);
 309     g_assert(client != NULL);
 310
 311     /* give the client its border back */
 312     client_toggle_border(client, TRUE);
 313
 314     /* reparent the window out of the frame, and free the frame */
 315     engine_frame_release_client(client->frame, client);
 316     client->frame = NULL;
 317
 318     if (ob_state != State_Exiting) {
 319         /* these values should not be persisted across a window
 320            unmapping/mapping */
 321         prop_erase(client->window, prop_atoms.net_wm_desktop);
 322         prop_erase(client->window, prop_atoms.net_wm_state);
 323     } else {
 324         /* if we're left in an iconic state, the client wont be mapped. this is
 325            bad, since we will no longer be managing the window on restart */
 326         if (client->iconic)
 327             XMapWindow(ob_display, client->window);
 328     }
 329
 330     /* free all data allocated in the client struct */
 331     g_slist_free(client->transients);
 332     for (j = 0; j < client->nicons; ++j)
 333         g_free(client->icons[j].data);
 334     if (client->nicons > 0)
 335         g_free(client->icons);
 336     g_free(client->title);
 337     g_free(client->icon_title);
 338     g_free(client->name);
 339     g_free(client->class);
 340     g_free(client->role);
 341     g_free(client);
 342
 343     /* update the list hints */
 344     client_set_list();
 345 }
 346
 347 static void client_toggle_border(Client *self, gboolean show)
 348 {
 349     /* adjust our idea of where the client is, based on its border. When the
 350        border is removed, the client should now be considered to be in a
 351        different position.
 352        when re-adding the border to the client, the same operation needs to be
 353        reversed. */
 354     int oldx = self->area.x, oldy = self->area.y;
 355     int x = oldx, y = oldy;
 356     switch(self->gravity) {
 357     default:
 358     case NorthWestGravity:
 359     case WestGravity:
 360     case SouthWestGravity:
 361         break;
 362     case NorthEastGravity:
 363     case EastGravity:
 364     case SouthEastGravity:
 365         if (show) x -= self->border_width * 2;
 366         else      x += self->border_width * 2;
 367         break;
 368     case NorthGravity:
 369     case SouthGravity:
 370     case CenterGravity:
 371     case ForgetGravity:
 372     case StaticGravity:
 373         if (show) x -= self->border_width;
 374         else      x += self->border_width;
 375         break;
 376     }
 377     switch(self->gravity) {
 378     default:
 379     case NorthWestGravity:
 380     case NorthGravity:
 381     case NorthEastGravity:
 382         break;
 383     case SouthWestGravity:
 384     case SouthGravity:
 385     case SouthEastGravity:
 386         if (show) y -= self->border_width * 2;
 387         else      y += self->border_width * 2;
 388         break;
 389     case WestGravity:
 390     case EastGravity:
 391     case CenterGravity:
 392     case ForgetGravity:
 393     case StaticGravity:
 394         if (show) y -= self->border_width;
 395         else      y += self->border_width;
 396         break;
 397     }
 398     self->area.x = x;
 399     self->area.y = y;
 400
 401     if (show) {
 402         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 403
 404         /* move the client so it is back it the right spot _with_ its
 405            border! */
 406         if (x != oldx || y != oldy)
 407             XMoveWindow(ob_display, self->window, x, y);
 408     } else
 409         XSetWindowBorderWidth(ob_display, self->window, 0);
 410 }
 411
 412
 413 static void client_get_all(Client *self)
 414 {
 415     /* update EVERYTHING!! */
 416
 417     self->ignore_unmaps = 0;
 418
 419     /* defaults */
 420     self->frame = NULL;
 421     self->title = self->icon_title = NULL;
 422     self->name = self->class = self->role = NULL;
 423     self->wmstate = NormalState;
 424     self->transient = FALSE;
 425     self->transients = NULL;
 426     self->transient_for = NULL;
 427     self->layer = -1;
 428     self->urgent = FALSE;
 429     self->positioned = FALSE;
 430     self->disabled_decorations = 0;
 431     self->group = None;
 432     self->nicons = 0;
 433
 434     client_get_area(self);
 435     client_get_desktop(self);
 436     client_get_state(self);
 437     client_get_shaped(self);
 438
 439     client_update_transient_for(self);
 440     client_get_mwm_hints(self);
 441     client_get_type(self);/* this can change the mwmhints for special cases */
 442
 443     client_update_protocols(self);
 444
 445     client_get_gravity(self); /* get the attribute gravity */
 446     client_update_normal_hints(self); /* this may override the attribute
 447                                          gravity */
 448
 449     /* got the type, the mwmhints, the protocols, and the normal hints
 450        (min/max sizes), so we're ready to set up the decorations/functions */
 451     client_setup_decor_and_functions(self);
 452
 453     client_update_wmhints(self);
 454     client_update_title(self);
 455     client_update_icon_title(self);
 456     client_update_class(self);
 457     client_update_strut(self);
 458     client_update_icons(self);
 459     client_update_kwm_icon(self);
 460
 461     /* this makes sure that these windows appear on all desktops */
 462     if (self->type == Type_Desktop)
 463         self->desktop = DESKTOP_ALL;
 464
 465     /* set the desktop hint, to make sure that it always exists, and to
 466        reflect any changes we've made here */
 467     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 468
 469     client_change_state(self);
 470 }
 471
 472 static void client_get_area(Client *self)
 473 {
 474     XWindowAttributes wattrib;
 475     Status ret;
 476
 477     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 478     g_assert(ret != BadWindow);
 479
 480     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 481     self->border_width = wattrib.border_width;
 482 }
 483
 484 static void client_get_desktop(Client *self)
 485 {
 486     unsigned int d;
 487
 488     if (PROP_GET32(self->window, net_wm_desktop, cardinal, d)) {
 489         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 490             d = screen_num_desktops - 1;
 491         self->desktop = d;
 492     } else {
 493         /* defaults to the current desktop */
 494         self->desktop = screen_desktop;
 495     }
 496 }
 497
 498 static void client_get_state(Client *self)
 499 {
 500     gulong *state;
 501     gulong num;
 502
 503     self->modal = self->shaded = self->max_horz = self->max_vert =
 504         self->fullscreen = self->above = self->below = self->iconic =
 505         self->skip_taskbar = self->skip_pager = FALSE;
 506
 507     if (PROP_GET32U(self->window, net_wm_state, atom, state, num)) {
 508         gulong i;
 509         for (i = 0; i < num; ++i) {
 510             if (state[i] == prop_atoms.net_wm_state_modal)
 511                 self->modal = TRUE;
 512             else if (state[i] == prop_atoms.net_wm_state_shaded)
 513                 self->shaded = TRUE;
 514             else if (state[i] == prop_atoms.net_wm_state_hidden)
 515                 self->iconic = TRUE;
 516             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 517                 self->skip_taskbar = TRUE;
 518             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 519                 self->skip_pager = TRUE;
 520             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 521                 self->fullscreen = TRUE;
 522             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 523                 self->max_vert = TRUE;
 524             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 525                 self->max_horz = TRUE;
 526             else if (state[i] == prop_atoms.net_wm_state_above)
 527                 self->above = TRUE;
 528             else if (state[i] == prop_atoms.net_wm_state_below)
 529                 self->below = TRUE;
 530         }
 531
 532         g_free(state);
 533     }
 534 }
 535
 536 static void client_get_shaped(Client *self)
 537 {
 538     self->shaped = FALSE;
 539 #ifdef   SHAPE
 540     if (extensions_shape) {
 541         int foo;
 542         guint ufoo;
 543         int s;
 544
 545         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 546
 547         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 548                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 549                            &ufoo);
 550         self->shaped = (s != 0);
 551     }
 552 #endif
 553 }
 554
 555 void client_update_transient_for(Client *self)
 556 {
 557     Window t = None;
 558     Client *c = NULL;
 559
 560     if (XGetTransientForHint(ob_display, self->window, &t) &&
 561         t != self->window) { /* cant be transient to itself! */
 562         self->transient = TRUE;
 563         c = g_hash_table_lookup(client_map, &t);
 564         g_assert(c != self);/* if this happens then we need to check for it*/
 565
 566         if (!c /*XXX: && _group*/) {
 567             /* not transient to a client, see if it is transient for a
 568                group */
 569             if (/*t == _group->leader() || */
 570                 t == None ||
 571                 t == ob_root) {
 572                 /* window is a transient for its group! */
 573                 /* XXX: for now this is treated as non-transient.
 574                    this needs to be fixed! */
 575             }
 576         }
 577     } else
 578         self->transient = FALSE;
 579
 580     /* if anything has changed... */
 581     if (c != self->transient_for) {
 582         if (self->transient_for)
 583             /* remove from old parent */
 584             self->transient_for->transients =
 585                 g_slist_remove(self->transient_for->transients, self);
 586         self->transient_for = c;
 587         if (self->transient_for)
 588             /* add to new parent */
 589             self->transient_for->transients =
 590                 g_slist_append(self->transient_for->transients, self);
 591     }
 592 }
 593
 594 static void client_get_mwm_hints(Client *self)
 595 {
 596     unsigned long num;
 597     unsigned long *hints;
 598
 599     self->mwmhints.flags = 0; /* default to none */
 600
 601     if (PROP_GET32U(self->window, motif_wm_hints, motif_wm_hints, hints, num)) {
 602         if (num >= MWM_ELEMENTS) {
 603             self->mwmhints.flags = hints[0];
 604             self->mwmhints.functions = hints[1];
 605             self->mwmhints.decorations = hints[2];
 606         }
 607         g_free(hints);
 608     }
 609 }
 610
 611 void client_get_type(Client *self)
 612 {
 613     gulong *val, num, i;
 614
 615     self->type = -1;
 616
 617     if (PROP_GET32U(self->window, net_wm_window_type, atom, val, num)) {
 618         /* use the first value that we know about in the array */
 619         for (i = 0; i < num; ++i) {
 620             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 621                 self->type = Type_Desktop;
 622             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 623                 self->type = Type_Dock;
 624             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 625                 self->type = Type_Toolbar;
 626             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 627                 self->type = Type_Menu;
 628             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 629                 self->type = Type_Utility;
 630             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 631                 self->type = Type_Splash;
 632             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 633                 self->type = Type_Dialog;
 634             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 635                 self->type = Type_Normal;
 636             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 637                 /* prevent this window from getting any decor or
 638                    functionality */
 639                 self->mwmhints.flags &= (MwmFlag_Functions |
 640                                          MwmFlag_Decorations);
 641                 self->mwmhints.decorations = 0;
 642                 self->mwmhints.functions = 0;
 643             }
 644             if (self->type != (WindowType) -1)
 645                 break; /* grab the first legit type */
 646         }
 647         g_free(val);
 648     }
 649
 650     if (self->type == (WindowType) -1) {
 651         /*the window type hint was not set, which means we either classify
 652           ourself as a normal window or a dialog, depending on if we are a
 653           transient. */
 654         if (self->transient)
 655             self->type = Type_Dialog;
 656         else
 657             self->type = Type_Normal;
 658     }
 659 }
 660
 661 void client_update_protocols(Client *self)
 662 {
 663     Atom *proto;
 664     gulong num_return, i;
 665
 666     self->focus_notify = FALSE;
 667     self->delete_window = FALSE;
 668
 669     if (PROP_GET32U(self->window, wm_protocols, atom, proto, num_return)) {
 670         for (i = 0; i < num_return; ++i) {
 671             if (proto[i] == prop_atoms.wm_delete_window) {
 672                 /* this means we can request the window to close */
 673                 self->delete_window = TRUE;
 674             } else if (proto[i] == prop_atoms.wm_take_focus)
 675                 /* if this protocol is requested, then the window will be
 676                    notified whenever we want it to receive focus */
 677                 self->focus_notify = TRUE;
 678         }
 679         g_free(proto);
 680     }
 681 }
 682
 683 static void client_get_gravity(Client *self)
 684 {
 685     XWindowAttributes wattrib;
 686     Status ret;
 687
 688     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 689     g_assert(ret != BadWindow);
 690     self->gravity = wattrib.win_gravity;
 691 }
 692
 693 void client_update_normal_hints(Client *self)
 694 {
 695     XSizeHints size;
 696     long ret;
 697     int oldgravity = self->gravity;
 698
 699     /* defaults */
 700     self->min_ratio = 0.0f;
 701     self->max_ratio = 0.0f;
 702     SIZE_SET(self->size_inc, 1, 1);
 703     SIZE_SET(self->base_size, 0, 0);
 704     SIZE_SET(self->min_size, 0, 0);
 705     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
 706
 707     /* get the hints from the window */
 708     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
 709         self->positioned = !!(size.flags & (PPosition|USPosition));
 710
 711         if (size.flags & PWinGravity) {
 712             self->gravity = size.win_gravity;
 713
 714             /* if the client has a frame, i.e. has already been mapped and
 715                is changing its gravity */
 716             if (self->frame && self->gravity != oldgravity) {
 717                 /* move our idea of the client's position based on its new
 718                    gravity */
 719                 self->area.x = self->frame->area.x;
 720                 self->area.y = self->frame->area.y;
 721                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
 722             }
 723         }
 724
 725         if (size.flags & PAspect) {
 726             if (size.min_aspect.y)
 727                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
 728             if (size.max_aspect.y)
 729                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
 730         }
 731
 732         if (size.flags & PMinSize)
 733             SIZE_SET(self->min_size, size.min_width, size.min_height);
 734
 735         if (size.flags & PMaxSize)
 736             SIZE_SET(self->max_size, size.max_width, size.max_height);
 737
 738         if (size.flags & PBaseSize)
 739             SIZE_SET(self->base_size, size.base_width, size.base_height);
 740
 741         if (size.flags & PResizeInc)
 742             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
 743     }
 744 }
 745
 746 void client_setup_decor_and_functions(Client *self)
 747 {
 748     /* start with everything (cept fullscreen) */
 749     self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
 750         Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize;
 751     self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
 752         Func_Shade;
 753     if (self->delete_window) {
 754         self->decorations |= Decor_Close;
 755         self->functions |= Func_Close;
 756     }
 757
 758     if (!(self->min_size.width < self->max_size.width ||
 759           self->min_size.height < self->max_size.height)) {
 760         self->decorations &= ~(Decor_Maximize | Decor_Handle);
 761         self->functions &= ~(Func_Resize | Func_Maximize);
 762     }
 763
 764     switch (self->type) {
 765     case Type_Normal:
 766         /* normal windows retain all of the possible decorations and
 767            functionality, and are the only windows that you can fullscreen */
 768         self->functions |= Func_Fullscreen;
 769         break;
 770
 771     case Type_Dialog:
 772         /* dialogs cannot be maximized */
 773         self->decorations &= ~Decor_Maximize;
 774         self->functions &= ~Func_Maximize;
 775         break;
 776
 777     case Type_Menu:
 778     case Type_Toolbar:
 779     case Type_Utility:
 780         /* these windows get less functionality */
 781         self->decorations &= ~(Decor_Iconify | Decor_Handle);
 782         self->functions &= ~(Func_Iconify | Func_Resize);
 783         break;
 784
 785     case Type_Desktop:
 786     case Type_Dock:
 787     case Type_Splash:
 788         /* none of these windows are manipulated by the window manager */
 789         self->decorations = 0;
 790         self->functions = 0;
 791         break;
 792     }
 793
 794     /* Mwm Hints are applied subtractively to what has already been chosen for
 795        decor and functionality */
 796     if (self->mwmhints.flags & MwmFlag_Decorations) {
 797         if (! (self->mwmhints.decorations & MwmDecor_All)) {
 798             if (! (self->mwmhints.decorations & MwmDecor_Border))
 799                 self->decorations &= ~Decor_Border;
 800             if (! (self->mwmhints.decorations & MwmDecor_Handle))
 801                 self->decorations &= ~Decor_Handle;
 802             if (! (self->mwmhints.decorations & MwmDecor_Title))
 803                 self->decorations &= ~Decor_Titlebar;
 804             if (! (self->mwmhints.decorations & MwmDecor_Iconify))
 805                 self->decorations &= ~Decor_Iconify;
 806             if (! (self->mwmhints.decorations & MwmDecor_Maximize))
 807                 self->decorations &= ~Decor_Maximize;
 808         }
 809     }
 810
 811     if (self->mwmhints.flags & MwmFlag_Functions) {
 812         if (! (self->mwmhints.functions & MwmFunc_All)) {
 813             if (! (self->mwmhints.functions & MwmFunc_Resize))
 814                 self->functions &= ~Func_Resize;
 815             if (! (self->mwmhints.functions & MwmFunc_Move))
 816                 self->functions &= ~Func_Move;
 817             if (! (self->mwmhints.functions & MwmFunc_Iconify))
 818                 self->functions &= ~Func_Iconify;
 819             if (! (self->mwmhints.functions & MwmFunc_Maximize))
 820                 self->functions &= ~Func_Maximize;
 821             /* dont let mwm hints kill the close button
 822                if (! (self->mwmhints.functions & MwmFunc_Close))
 823                self->functions &= ~Func_Close; */
 824         }
 825     }
 826
 827     /* can't maximize without moving/resizing */
 828     if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
 829         self->functions &= ~(Func_Maximize | Func_Fullscreen);
 830
 831     /* finally, user specified disabled decorations are applied to subtract
 832        decorations */
 833     if (self->disabled_decorations & Decor_Titlebar)
 834         self->decorations &= ~Decor_Titlebar;
 835     if (self->disabled_decorations & Decor_Handle)
 836         self->decorations &= ~Decor_Handle;
 837     if (self->disabled_decorations & Decor_Border)
 838         self->decorations &= ~Decor_Border;
 839     if (self->disabled_decorations & Decor_Iconify)
 840         self->decorations &= ~Decor_Iconify;
 841     if (self->disabled_decorations & Decor_Maximize)
 842         self->decorations &= ~Decor_Maximize;
 843     if (self->disabled_decorations & Decor_AllDesktops)
 844         self->decorations &= ~Decor_AllDesktops;
 845     if (self->disabled_decorations & Decor_Close)
 846         self->decorations &= ~Decor_Close;
 847
 848     /* if we don't have a titlebar, then we cannot shade! */
 849     if (!(self->decorations & Decor_Titlebar))
 850         self->functions &= ~Func_Shade;
 851
 852     client_change_allowed_actions(self);
 853
 854     if (self->frame) {
 855         /* change the decors on the frame, and with more/less decorations,
 856            we may also need to be repositioned */
 857         engine_frame_adjust_area(self->frame, TRUE, TRUE);
 858         /* with new decor, the window's maximized size may change */
 859         client_remaximize(self);
 860     }
 861 }
 862
 863 static void client_change_allowed_actions(Client *self)
 864 {
 865     Atom actions[9];
 866     int num = 0;
 867
 868     actions[num++] = prop_atoms.net_wm_action_change_desktop;
 869
 870     if (self->functions & Func_Shade)
 871         actions[num++] = prop_atoms.net_wm_action_shade;
 872     if (self->functions & Func_Close)
 873         actions[num++] = prop_atoms.net_wm_action_close;
 874     if (self->functions & Func_Move)
 875         actions[num++] = prop_atoms.net_wm_action_move;
 876     if (self->functions & Func_Iconify)
 877         actions[num++] = prop_atoms.net_wm_action_minimize;
 878     if (self->functions & Func_Resize)
 879         actions[num++] = prop_atoms.net_wm_action_resize;
 880     if (self->functions & Func_Fullscreen)
 881         actions[num++] = prop_atoms.net_wm_action_fullscreen;
 882     if (self->functions & Func_Maximize) {
 883         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
 884         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
 885     }
 886
 887     PROP_SET32A(self->window, net_wm_allowed_actions, atom, actions, num);
 888
 889     /* make sure the window isn't breaking any rules now */
 890
 891     if (!(self->functions & Func_Shade) && self->shaded) {
 892         if (self->frame) client_shade(self, FALSE);
 893         else self->shaded = FALSE;
 894     }
 895     if (!(self->functions & Func_Iconify) && self->iconic) {
 896         g_message("UNSETTING ICONIC");
 897         if (self->frame) client_iconify(self, FALSE, TRUE);
 898         else self->iconic = FALSE;
 899     }
 900     if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
 901         if (self->frame) client_fullscreen(self, FALSE, TRUE);
 902         else self->fullscreen = FALSE;
 903     }
 904     if (!(self->functions & Func_Maximize) && (self->max_horz ||
 905                                                self->max_vert)) {
 906         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
 907         else self->max_vert = self->max_horz = FALSE;
 908     }
 909 }
 910
 911 void client_remaximize(Client *self)
 912 {
 913     int dir;
 914     if (self->max_horz && self->max_vert)
 915         dir = 0;
 916     else if (self->max_horz)
 917         dir = 1;
 918     else if (self->max_vert)
 919         dir = 2;
 920     else
 921         return; /* not maximized */
 922     self->max_horz = self->max_vert = FALSE;
 923     client_maximize(self, TRUE, dir, FALSE);
 924 }
 925
 926 void client_update_wmhints(Client *self)
 927 {
 928     XWMHints *hints;
 929     gboolean ur = FALSE;
 930
 931     /* assume a window takes input if it doesnt specify */
 932     self->can_focus = TRUE;
 933
 934     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
 935         if (hints->flags & InputHint)
 936             self->can_focus = hints->input;
 937
 938         /* only do this when first managing the window *AND* when we aren't
 939            starting up! */
 940         if (ob_state != State_Starting && self->frame == NULL)
 941             if (hints->flags & StateHint)
 942                 self->iconic = hints->initial_state == IconicState;
 943
 944         if (hints->flags & XUrgencyHint)
 945             ur = TRUE;
 946
 947         if (hints->flags & WindowGroupHint) {
 948             if (hints->window_group != self->group) {
 949                 /* XXX: remove from the old group if there was one */
 950                 self->group = hints->window_group;
 951                 /* XXX: do stuff with the group */
 952             }
 953         } else /* no group! */
 954             self->group = None;
 955
 956         if (hints->flags & IconPixmapHint) {
 957             client_update_kwm_icon(self);
 958             /* try get the kwm icon first, this is a fallback only */
 959             if (self->pixmap_icon == None) {
 960                 self->pixmap_icon = hints->icon_pixmap;
 961                 if (hints->flags & IconMaskHint)
 962                     self->pixmap_icon_mask = hints->icon_mask;
 963                 else
 964                     self->pixmap_icon_mask = None;
 965
 966                 if (self->frame)
 967                     engine_frame_adjust_icon(self->frame);
 968             }
 969         }
 970
 971         XFree(hints);
 972     }
 973
 974     if (ur != self->urgent) {
 975         self->urgent = ur;
 976         g_message("Urgent Hint for 0x%lx: %s", self->window,
 977                   ur ? "ON" : "OFF");
 978         /* fire the urgent callback if we're mapped, otherwise, wait until
 979            after we're mapped */
 980         if (self->frame)
 981             dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
 982     }
 983 }
 984
 985 void client_update_title(Client *self)
 986 {
 987     gchar *data = NULL;
 988
 989     g_free(self->title);
 990
 991     /* try netwm */
 992     if (!PROP_GETS(self->window, net_wm_name, utf8, data)) {
 993         /* try old x stuff */
 994         if (PROP_GETS(self->window, wm_name, string, data)) {
 995             /* convert it to UTF-8 */
 996             gsize r, w;
 997             gchar *u;
 998
 999             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1000             if (u == NULL) {
1001                 g_warning("Unable to convert string to UTF-8");
1002             } else {
1003                 g_free(data);
1004                 data = u;
1005             }
1006         }
1007         if (data == NULL)
1008             data = g_strdup("Unnamed Window");
1009
1010         PROP_SETS(self->window, net_wm_visible_name, utf8, data);
1011     }
1012
1013     self->title = data;
1014
1015     if (self->frame)
1016         engine_frame_adjust_title(self->frame);
1017 }
1018
1019 void client_update_icon_title(Client *self)
1020 {
1021     gchar *data = NULL;
1022
1023     g_free(self->icon_title);
1024
1025     /* try netwm */
1026     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, data)) {
1027         /* try old x stuff */
1028         if (PROP_GETS(self->window, wm_icon_name, string, data)) {
1029             /* convert it to UTF-8 */
1030             gsize r, w;
1031             gchar *u;
1032
1033             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1034             if (u == NULL) {
1035                 g_warning("Unable to convert string to UTF-8");
1036             } else {
1037                 g_free(data);
1038                 data = u;
1039             }
1040         }
1041         if (data == NULL)
1042             data = g_strdup("Unnamed Window");
1043
1044         PROP_SETS(self->window, net_wm_visible_icon_name, utf8, data);
1045     }
1046
1047     self->icon_title = data;
1048 }
1049
1050 void client_update_class(Client *self)
1051 {
1052     GPtrArray *data;
1053     gchar *s;
1054     guint i;
1055
1056     if (self->name) g_free(self->name);
1057     if (self->class) g_free(self->class);
1058     if (self->role) g_free(self->role);
1059
1060     self->name = self->class = self->role = NULL;
1061
1062     data = g_ptr_array_new();
1063
1064     if (PROP_GETSA(self->window, wm_class, string, data)) {
1065         if (data->len > 0)
1066             self->name = g_strdup(g_ptr_array_index(data, 0));
1067         if (data->len > 1)
1068             self->class = g_strdup(g_ptr_array_index(data, 1));
1069     }
1070
1071     for (i = 0; i < data->len; ++i)
1072         g_free(g_ptr_array_index(data, i));
1073     g_ptr_array_free(data, TRUE);
1074
1075     if (PROP_GETS(self->window, wm_window_role, string, s))
1076         self->role = g_strdup(s);
1077
1078     if (self->name == NULL) self->name = g_strdup("");
1079     if (self->class == NULL) self->class = g_strdup("");
1080     if (self->role == NULL) self->role = g_strdup("");
1081 }
1082
1083 void client_update_strut(Client *self)
1084 {
1085     gulong *data;
1086
1087     if (PROP_GET32A(self->window, net_wm_strut, cardinal, data, 4)) {
1088         STRUT_SET(self->strut, data[0], data[2], data[1], data[3]);
1089         g_free(data);
1090     } else
1091         STRUT_SET(self->strut, 0, 0, 0, 0);
1092
1093     /* updating here is pointless while we're being mapped cuz we're not in
1094        the client list yet */
1095     if (self->frame)
1096         screen_update_struts();
1097 }
1098
1099 void client_update_icons(Client *self)
1100 {
1101     unsigned long num;
1102     unsigned long *data;
1103     unsigned long w, h, i;
1104     int j;
1105
1106     for (j = 0; j < self->nicons; ++j)
1107         g_free(self->icons[j].data);
1108     if (self->nicons > 0)
1109         g_free(self->icons);
1110     self->nicons = 0;
1111
1112     if (PROP_GET32U(self->window, net_wm_icon, cardinal, data, num)) {
1113         /* figure out how many valid icons are in here */
1114         i = 0;
1115         while (num - i > 2) {
1116             w = data[i++];
1117             h = data[i++];
1118             i += w * h;
1119             if (i > num) break;
1120             ++self->nicons;
1121         }
1122
1123         self->icons = g_new(Icon, self->nicons);
1124
1125         /* store the icons */
1126         i = 0;
1127         for (j = 0; j < self->nicons; ++j) {
1128             w = self->icons[j].width = data[i++];
1129             h = self->icons[j].height = data[i++];
1130             self->icons[j].data =
1131                 g_memdup(&data[i], w * h * sizeof(gulong));
1132             i += w * h;
1133             g_assert(i <= num);
1134         }
1135
1136         g_free(data);
1137     }
1138
1139     if (self->frame)
1140         engine_frame_adjust_icon(self->frame);
1141 }
1142
1143 void client_update_kwm_icon(Client *self)
1144 {
1145     Pixmap *data;
1146
1147     if (PROP_GET32A(self->window, kwm_win_icon, kwm_win_icon, data, 2)) {
1148         self->pixmap_icon = data[0];
1149         self->pixmap_icon_mask = data[1];
1150         g_free(data);
1151     } else {
1152         self->pixmap_icon = self->pixmap_icon_mask = None;
1153     }
1154     if (self->frame)
1155         engine_frame_adjust_icon(self->frame);
1156 }
1157
1158 static void client_change_state(Client *self)
1159 {
1160     unsigned long state[2];
1161     Atom netstate[10];
1162     int num;
1163
1164     state[0] = self->wmstate;
1165     state[1] = None;
1166     PROP_SET32A(self->window, wm_state, wm_state, state, 2);
1167
1168     num = 0;
1169     if (self->modal)
1170         netstate[num++] = prop_atoms.net_wm_state_modal;
1171     if (self->shaded)
1172         netstate[num++] = prop_atoms.net_wm_state_shaded;
1173     if (self->iconic)
1174         netstate[num++] = prop_atoms.net_wm_state_hidden;
1175     if (self->skip_taskbar)
1176         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1177     if (self->skip_pager)
1178         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1179     if (self->fullscreen)
1180         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1181     if (self->max_vert)
1182         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1183     if (self->max_horz)
1184         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1185     if (self->above)
1186         netstate[num++] = prop_atoms.net_wm_state_above;
1187     if (self->below)
1188         netstate[num++] = prop_atoms.net_wm_state_below;
1189     PROP_SET32A(self->window, net_wm_state, atom, netstate, num);
1190
1191     client_calc_layer(self);
1192
1193     if (self->frame)
1194         engine_frame_adjust_state(self->frame);
1195 }
1196
1197 static Client *search_focus_tree(Client *node, Client *skip)
1198 {
1199     GSList *it;
1200     Client *ret;
1201
1202     for (it = node->transients; it != NULL; it = it->next) {
1203         Client *c = it->data;
1204         if (c == skip) continue; /* circular? */
1205         if ((ret = search_focus_tree(c, skip))) return ret;
1206         if (client_focused(c)) return c;
1207     }
1208     return NULL;
1209 }
1210
1211 void client_calc_layer(Client *self)
1212 {
1213     StackLayer l;
1214     gboolean fs;
1215     Client *c;
1216
1217     /* are we fullscreen, or do we have a fullscreen transient parent? */
1218     c = self;
1219     fs = FALSE;
1220     while (c) {
1221         if (c->fullscreen) {
1222             fs = TRUE;
1223             break;
1224         }
1225         c = c->transient_for;
1226     }
1227     if (!fs && self->fullscreen) {
1228         /* is one of our transients focused? */
1229         c = search_focus_tree(self, self);
1230         if (c != NULL) fs = TRUE;
1231     }
1232
1233     if (self->iconic) l = Layer_Icon;
1234     else if (fs) l = Layer_Fullscreen;
1235     else if (self->type == Type_Desktop) l = Layer_Desktop;
1236     else if (self->type == Type_Dock) {
1237         if (!self->below) l = Layer_Top;
1238         else l = Layer_Normal;
1239     }
1240     else if (self->above) l = Layer_Above;
1241     else if (self->below) l = Layer_Below;
1242     else l = Layer_Normal;
1243
1244     if (l != self->layer) {
1245         self->layer = l;
1246         if (self->frame)
1247             stacking_raise(self);
1248     }
1249 }
1250
1251 gboolean client_should_show(Client *self)
1252 {
1253     if (self->iconic) return FALSE;
1254     else if (!(self->desktop == screen_desktop ||
1255                self->desktop == DESKTOP_ALL)) return FALSE;
1256     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1257
1258     return TRUE;
1259 }
1260
1261 static void client_showhide(Client *self)
1262 {
1263
1264     if (client_should_show(self))
1265         engine_frame_show(self->frame);
1266     else
1267         engine_frame_hide(self->frame);
1268 }
1269
1270 gboolean client_normal(Client *self) {
1271     return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1272               self->type == Type_Splash);
1273 }
1274
1275 static void client_apply_startup_state(Client *self)
1276 {
1277     /* these are in a carefully crafted order.. */
1278
1279     if (self->iconic) {
1280         self->iconic = FALSE;
1281         client_iconify(self, TRUE, FALSE);
1282     }
1283     if (self->fullscreen) {
1284         self->fullscreen = FALSE;
1285         client_fullscreen(self, TRUE, FALSE);
1286     }
1287     if (self->shaded) {
1288         self->shaded = FALSE;
1289         client_shade(self, TRUE);
1290     }
1291     if (self->urgent)
1292         dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1293
1294     if (self->max_vert && self->max_horz) {
1295         self->max_vert = self->max_horz = FALSE;
1296         client_maximize(self, TRUE, 0, FALSE);
1297     } else if (self->max_vert) {
1298         self->max_vert = FALSE;
1299         client_maximize(self, TRUE, 2, FALSE);
1300     } else if (self->max_horz) {
1301         self->max_horz = FALSE;
1302         client_maximize(self, TRUE, 1, FALSE);
1303     }
1304
1305     /* nothing to do for the other states:
1306        skip_taskbar
1307        skip_pager
1308        modal
1309        above
1310        below
1311     */
1312 }
1313
1314 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1315                       gboolean user, gboolean final)
1316 {
1317     gboolean moved = FALSE, resized = FALSE;
1318
1319     /* gets the frame's position */
1320     frame_client_gravity(self->frame, &x, &y);
1321
1322     /* these positions are frame positions, not client positions */
1323
1324     /* set the size and position if fullscreen */
1325     if (self->fullscreen) {
1326         x = 0;
1327         y = 0;
1328         w = screen_physical_size.width;
1329         h = screen_physical_size.height;
1330     } else {
1331         /* set the size and position if maximized */
1332         if (self->max_horz) {
1333             x = screen_area(self->desktop)->x - self->frame->size.left;
1334             w = screen_area(self->desktop)->width;
1335         }
1336         if (self->max_vert) {
1337             y = screen_area(self->desktop)->y;
1338             h = screen_area(self->desktop)->height -
1339                 self->frame->size.top - self->frame->size.bottom;
1340         }
1341     }
1342
1343     /* gets the client's position */
1344     frame_frame_gravity(self->frame, &x, &y);
1345
1346     /* these override the above states! if you cant move you can't move! */
1347     if (user) {
1348         if (!(self->functions & Func_Move)) {
1349             x = self->area.x;
1350             y = self->area.y;
1351         }
1352         if (!(self->functions & Func_Resize)) {
1353             w = self->area.width;
1354             h = self->area.height;
1355         }
1356     }
1357
1358     if (!(w == self->area.width && h == self->area.height)) {
1359         w -= self->base_size.width;
1360         h -= self->base_size.height;
1361
1362         if (user) {
1363             /* for interactive resizing. have to move half an increment in each
1364                direction. */
1365
1366             /* how far we are towards the next size inc */
1367             int mw = w % self->size_inc.width;
1368             int mh = h % self->size_inc.height;
1369             /* amount to add */
1370             int aw = self->size_inc.width / 2;
1371             int ah = self->size_inc.height / 2;
1372             /* don't let us move into a new size increment */
1373             if (mw + aw >= self->size_inc.width)
1374                 aw = self->size_inc.width - mw - 1;
1375             if (mh + ah >= self->size_inc.height)
1376                 ah = self->size_inc.height - mh - 1;
1377             w += aw;
1378             h += ah;
1379
1380             /* if this is a user-requested resize, then check against min/max
1381                sizes and aspect ratios */
1382
1383             /* smaller than min size or bigger than max size? */
1384             if (w > self->max_size.width) w = self->max_size.width;
1385             if (w < self->min_size.width) w = self->min_size.width;
1386             if (h > self->max_size.height) h = self->max_size.height;
1387             if (h < self->min_size.height) h = self->min_size.height;
1388
1389             /* adjust the height ot match the width for the aspect ratios */
1390             if (self->min_ratio)
1391                 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1392             if (self->max_ratio)
1393                 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1394         }
1395
1396         /* keep to the increments */
1397         w /= self->size_inc.width;
1398         h /= self->size_inc.height;
1399
1400         /* you cannot resize to nothing */
1401         if (w < 1) w = 1;
1402         if (h < 1) h = 1;
1403
1404         /* store the logical size */
1405         SIZE_SET(self->logical_size, w, h);
1406
1407         w *= self->size_inc.width;
1408         h *= self->size_inc.height;
1409
1410         w += self->base_size.width;
1411         h += self->base_size.height;
1412     }
1413
1414     switch (anchor) {
1415     case Corner_TopLeft:
1416         break;
1417     case Corner_TopRight:
1418         x -= w - self->area.width;
1419         break;
1420     case Corner_BottomLeft:
1421         y -= h - self->area.height;
1422         break;
1423     case Corner_BottomRight:
1424         x -= w - self->area.width;
1425         y -= h - self->area.height;
1426         break;
1427     }
1428
1429     moved = x != self->area.x || y != self->area.y;
1430     resized = w != self->area.width || h != self->area.height;
1431
1432     RECT_SET(self->area, x, y, w, h);
1433
1434     if (resized)
1435         XResizeWindow(ob_display, self->window, w, h);
1436
1437     /* move/resize the frame to match the request */
1438     if (self->frame) {
1439         if (moved || resized)
1440             engine_frame_adjust_area(self->frame, moved, resized);
1441
1442         if (!user || final) {
1443             XEvent event;
1444             event.type = ConfigureNotify;
1445             event.xconfigure.display = ob_display;
1446             event.xconfigure.event = self->window;
1447             event.xconfigure.window = self->window;
1448
1449             /* root window coords with border in mind */
1450             event.xconfigure.x = x - self->border_width +
1451                 self->frame->size.left;
1452             event.xconfigure.y = y - self->border_width +
1453                 self->frame->size.top;
1454
1455             event.xconfigure.width = self->area.width;
1456             event.xconfigure.height = self->area.height;
1457             event.xconfigure.border_width = self->border_width;
1458             event.xconfigure.above = self->frame->plate;
1459             event.xconfigure.override_redirect = FALSE;
1460             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1461                        FALSE, StructureNotifyMask, &event);
1462         }
1463     }
1464 }
1465
1466 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1467 {
1468     int x, y, w, h;
1469
1470     if (!(self->functions & Func_Fullscreen) || /* can't */
1471         self->fullscreen == fs) return;         /* already done */
1472
1473     self->fullscreen = fs;
1474     client_change_state(self); /* change the state hints on the client */
1475
1476     if (fs) {
1477         /* save the functions and remove them */
1478         self->pre_fs_func = self->functions;
1479         self->functions &= (Func_Close | Func_Fullscreen |
1480                             Func_Iconify);
1481         /* save the decorations and remove them */
1482         self->pre_fs_decor = self->decorations;
1483         self->decorations = 0;
1484         if (savearea) {
1485             long dimensions[4];
1486             dimensions[0] = self->area.x;
1487             dimensions[1] = self->area.y;
1488             dimensions[2] = self->area.width;
1489             dimensions[3] = self->area.height;
1490
1491             PROP_SET32A(self->window, openbox_premax, cardinal,
1492                         dimensions, 4);
1493         }
1494
1495         /* these are not actually used cuz client_configure will set them
1496            as appropriate when the window is fullscreened */
1497         x = y = w = h = 0;
1498     } else {
1499         long *dimensions;
1500
1501         self->functions = self->pre_fs_func;
1502         self->decorations = self->pre_fs_decor;
1503
1504         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1505                         dimensions, 4)) {
1506             x = dimensions[0];
1507             y = dimensions[1];
1508             w = dimensions[2];
1509             h = dimensions[3];
1510             g_free(dimensions);
1511         } else {
1512             /* pick some fallbacks... */
1513             x = screen_area(self->desktop)->x +
1514                 screen_area(self->desktop)->width / 4;
1515             y = screen_area(self->desktop)->y +
1516                 screen_area(self->desktop)->height / 4;
1517             w = screen_area(self->desktop)->width / 2;
1518             h = screen_area(self->desktop)->height / 2;
1519         }
1520     }
1521
1522     client_change_allowed_actions(self); /* based on the new _functions */
1523
1524     /* when fullscreening, don't obey things like increments, fill the
1525        screen */
1526     client_configure(self, Corner_TopLeft, x, y, w, h, !fs, TRUE);
1527
1528     /* raise (back) into our stacking layer */
1529     stacking_raise(self);
1530
1531     /* try focus us when we go into fullscreen mode */
1532     client_focus(self);
1533 }
1534
1535 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1536 {
1537     if (self->iconic == iconic) return; /* nothing to do */
1538
1539     g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1540               self->window);
1541
1542     self->iconic = iconic;
1543
1544     if (iconic) {
1545         self->wmstate = IconicState;
1546         self->ignore_unmaps++;
1547         /* we unmap the client itself so that we can get MapRequest events,
1548            and because the ICCCM tells us to! */
1549         XUnmapWindow(ob_display, self->window);
1550     } else {
1551         if (curdesk)
1552             client_set_desktop(self, screen_desktop, FALSE);
1553         self->wmstate = self->shaded ? IconicState : NormalState;
1554         XMapWindow(ob_display, self->window);
1555     }
1556     client_change_state(self);
1557     client_showhide(self);
1558     screen_update_struts();
1559
1560     dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1561                     self, 0, 0);
1562 }
1563
1564 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1565 {
1566     int x, y, w, h;
1567
1568     g_assert(dir == 0 || dir == 1 || dir == 2);
1569     if (!(self->functions & Func_Maximize)) return; /* can't */
1570
1571     /* check if already done */
1572     if (max) {
1573         if (dir == 0 && self->max_horz && self->max_vert) return;
1574         if (dir == 1 && self->max_horz) return;
1575         if (dir == 2 && self->max_vert) return;
1576     } else {
1577         if (dir == 0 && !self->max_horz && !self->max_vert) return;
1578         if (dir == 1 && !self->max_horz) return;
1579         if (dir == 2 && !self->max_vert) return;
1580     }
1581
1582     /* work with the frame's coords */
1583     x = self->frame->area.x;
1584     y = self->frame->area.y;
1585     w = self->area.width;
1586     h = self->area.height;
1587
1588     if (max) {
1589         if (savearea) {
1590             long dimensions[4];
1591             long *readdim;
1592
1593             dimensions[0] = x;
1594             dimensions[1] = y;
1595             dimensions[2] = w;
1596             dimensions[3] = h;
1597
1598             /* get the property off the window and use it for the dimensions
1599                we are already maxed on */
1600             if (PROP_GET32A(self->window, openbox_premax, cardinal,
1601                             readdim, 4)) {
1602                 if (self->max_horz) {
1603                     dimensions[0] = readdim[0];
1604                     dimensions[2] = readdim[2];
1605                 }
1606                 if (self->max_vert) {
1607                     dimensions[1] = readdim[1];
1608                     dimensions[3] = readdim[3];
1609                 }
1610                 g_free(readdim);
1611             }
1612
1613             PROP_SET32A(self->window, openbox_premax, cardinal,
1614                         dimensions, 4);
1615         }
1616     } else {
1617         long *dimensions;
1618
1619         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1620                         dimensions, 4)) {
1621             if (dir == 0 || dir == 1) { /* horz */
1622                 x = dimensions[0];
1623                 w = dimensions[2];
1624             }
1625             if (dir == 0 || dir == 2) { /* vert */
1626                 y = dimensions[1];
1627                 h = dimensions[3];
1628             }
1629             g_free(dimensions);
1630         } else {
1631             /* pick some fallbacks... */
1632             if (dir == 0 || dir == 1) { /* horz */
1633                 x = screen_area(self->desktop)->x +
1634                     screen_area(self->desktop)->width / 4;
1635                 w = screen_area(self->desktop)->width / 2;
1636             }
1637             if (dir == 0 || dir == 2) { /* vert */
1638                 y = screen_area(self->desktop)->y +
1639                     screen_area(self->desktop)->height / 4;
1640                 h = screen_area(self->desktop)->height / 2;
1641             }
1642         }
1643     }
1644
1645     if (dir == 0 || dir == 1) /* horz */
1646         self->max_horz = max;
1647     if (dir == 0 || dir == 2) /* vert */
1648         self->max_vert = max;
1649
1650     if (!self->max_horz && !self->max_vert)
1651         PROP_ERASE(self->window, openbox_premax);
1652
1653     client_change_state(self); /* change the state hints on the client */
1654
1655     /* figure out where the client should be going */
1656     frame_frame_gravity(self->frame, &x, &y);
1657     client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1658 }
1659
1660 void client_shade(Client *self, gboolean shade)
1661 {
1662     if ((!(self->functions & Func_Shade) && shade) || /* can't shade */
1663         self->shaded == shade) return;     /* already done */
1664
1665     /* when we're iconic, don't change the wmstate */
1666     if (!self->iconic)
1667         self->wmstate = shade ? IconicState : NormalState;
1668     self->shaded = shade;
1669     client_change_state(self);
1670     /* resize the frame to just the titlebar */
1671     engine_frame_adjust_area(self->frame, FALSE, FALSE);
1672 }
1673
1674 void client_close(Client *self)
1675 {
1676     XEvent ce;
1677
1678     if (!(self->functions & Func_Close)) return;
1679
1680     /*
1681       XXX: itd be cool to do timeouts and shit here for killing the client's
1682       process off
1683       like... if the window is around after 5 seconds, then the close button
1684       turns a nice red, and if this function is called again, the client is
1685       explicitly killed.
1686     */
1687
1688     ce.xclient.type = ClientMessage;
1689     ce.xclient.message_type =  prop_atoms.wm_protocols;
1690     ce.xclient.display = ob_display;
1691     ce.xclient.window = self->window;
1692     ce.xclient.format = 32;
1693     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
1694     ce.xclient.data.l[1] = event_lasttime;
1695     ce.xclient.data.l[2] = 0l;
1696     ce.xclient.data.l[3] = 0l;
1697     ce.xclient.data.l[4] = 0l;
1698     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1699 }
1700
1701 void client_kill(Client *self)
1702 {
1703     XKillClient(ob_display, self->window);
1704 }
1705
1706 void client_set_desktop(Client *self, guint target, gboolean donthide)
1707 {
1708     guint old, i;
1709     ConfigValue focus_new;
1710
1711     if (target == self->desktop) return;
1712
1713     g_message("Setting desktop %u", target);
1714
1715     g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
1716
1717     old = self->desktop;
1718     self->desktop = target;
1719     PROP_SET32(self->window, net_wm_desktop, cardinal, target);
1720     /* the frame can display the current desktop state */
1721     engine_frame_adjust_state(self->frame);
1722     /* 'move' the window to the new desktop */
1723     if (!donthide)
1724         client_showhide(self);
1725     /* raise if it was not already on the desktop */
1726     if (old != DESKTOP_ALL)
1727         stacking_raise(self);
1728     screen_update_struts();
1729
1730     /* update the focus lists */
1731     if (!config_get("focusNew", Config_Bool, &focus_new))
1732         g_assert_not_reached();
1733     if (old == DESKTOP_ALL) {
1734         for (i = 0; i < screen_num_desktops; ++i)
1735             focus_order[i] = g_list_remove(focus_order[i], self);
1736     } else
1737         focus_order[old] = g_list_remove(focus_order[old], self);
1738     if (target == DESKTOP_ALL) {
1739         for (i = 0; i < screen_num_desktops; ++i) {
1740             if (focus_new.bool)
1741                 focus_order[i] = g_list_prepend(focus_order[i], self);
1742             else
1743                 focus_order[i] = g_list_append(focus_order[i], self);
1744         }
1745     } else {
1746         if (focus_new.bool)
1747             focus_order[target] = g_list_prepend(focus_order[target], self);
1748         else
1749             focus_order[target] = g_list_append(focus_order[target], self);
1750     }
1751
1752     dispatch_client(Event_Client_Desktop, self, target, old);
1753 }
1754
1755 static Client *search_modal_tree(Client *node, Client *skip)
1756 {
1757     GSList *it;
1758     Client *ret;
1759
1760     for (it = node->transients; it != NULL; it = it->next) {
1761         Client *c = it->data;
1762         if (c == skip) continue; /* circular? */
1763         if ((ret = search_modal_tree(c, skip))) return ret;
1764         if (c->modal) return c;
1765     }
1766     return NULL;
1767 }
1768
1769 Client *client_find_modal_child(Client *self)
1770 {
1771     return search_modal_tree(self, self);
1772 }
1773
1774 gboolean client_validate(Client *self)
1775 {
1776     XEvent e;
1777
1778     XSync(ob_display, FALSE); /* get all events on the server */
1779
1780     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
1781         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
1782         XPutBackEvent(ob_display, &e);
1783         return FALSE;
1784     }
1785
1786     return TRUE;
1787 }
1788
1789 void client_set_wm_state(Client *self, long state)
1790 {
1791     if (state == self->wmstate) return; /* no change */
1792
1793     switch (state) {
1794     case IconicState:
1795         client_iconify(self, TRUE, TRUE);
1796         break;
1797     case NormalState:
1798         client_iconify(self, FALSE, TRUE);
1799         break;
1800     }
1801 }
1802
1803 void client_set_state(Client *self, Atom action, long data1, long data2)
1804 {
1805     gboolean shaded = self->shaded;
1806     gboolean fullscreen = self->fullscreen;
1807     gboolean max_horz = self->max_horz;
1808     gboolean max_vert = self->max_vert;
1809     int i;
1810
1811     if (!(action == prop_atoms.net_wm_state_add ||
1812           action == prop_atoms.net_wm_state_remove ||
1813           action == prop_atoms.net_wm_state_toggle))
1814         /* an invalid action was passed to the client message, ignore it */
1815         return;
1816
1817     for (i = 0; i < 2; ++i) {
1818         Atom state = i == 0 ? data1 : data2;
1819
1820         if (!state) continue;
1821
1822         /* if toggling, then pick whether we're adding or removing */
1823         if (action == prop_atoms.net_wm_state_toggle) {
1824             if (state == prop_atoms.net_wm_state_modal)
1825                 action = self->modal ? prop_atoms.net_wm_state_remove :
1826                     prop_atoms.net_wm_state_add;
1827             else if (state == prop_atoms.net_wm_state_maximized_vert)
1828                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
1829                     prop_atoms.net_wm_state_add;
1830             else if (state == prop_atoms.net_wm_state_maximized_horz)
1831                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
1832                     prop_atoms.net_wm_state_add;
1833             else if (state == prop_atoms.net_wm_state_shaded)
1834                 action = self->shaded ? prop_atoms.net_wm_state_remove :
1835                     prop_atoms.net_wm_state_add;
1836             else if (state == prop_atoms.net_wm_state_skip_taskbar)
1837                 action = self->skip_taskbar ?
1838                     prop_atoms.net_wm_state_remove :
1839                     prop_atoms.net_wm_state_add;
1840             else if (state == prop_atoms.net_wm_state_skip_pager)
1841                 action = self->skip_pager ?
1842                     prop_atoms.net_wm_state_remove :
1843                     prop_atoms.net_wm_state_add;
1844             else if (state == prop_atoms.net_wm_state_fullscreen)
1845                 action = self->fullscreen ?
1846                     prop_atoms.net_wm_state_remove :
1847                     prop_atoms.net_wm_state_add;
1848             else if (state == prop_atoms.net_wm_state_above)
1849                 action = self->above ? prop_atoms.net_wm_state_remove :
1850                     prop_atoms.net_wm_state_add;
1851             else if (state == prop_atoms.net_wm_state_below)
1852                 action = self->below ? prop_atoms.net_wm_state_remove :
1853                     prop_atoms.net_wm_state_add;
1854         }
1855
1856         if (action == prop_atoms.net_wm_state_add) {
1857             if (state == prop_atoms.net_wm_state_modal) {
1858                 /* XXX raise here or something? */
1859                 self->modal = TRUE;
1860             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1861                 max_vert = TRUE;
1862             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1863                 max_horz = TRUE;
1864             } else if (state == prop_atoms.net_wm_state_shaded) {
1865                 shaded = TRUE;
1866             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1867                 self->skip_taskbar = TRUE;
1868             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1869                 self->skip_pager = TRUE;
1870             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1871                 fullscreen = TRUE;
1872             } else if (state == prop_atoms.net_wm_state_above) {
1873                 self->above = TRUE;
1874             } else if (state == prop_atoms.net_wm_state_below) {
1875                 self->below = TRUE;
1876             }
1877
1878         } else { /* action == prop_atoms.net_wm_state_remove */
1879             if (state == prop_atoms.net_wm_state_modal) {
1880                 self->modal = FALSE;
1881             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1882                 max_vert = FALSE;
1883             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1884                 max_horz = FALSE;
1885             } else if (state == prop_atoms.net_wm_state_shaded) {
1886                 shaded = FALSE;
1887             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1888                 self->skip_taskbar = FALSE;
1889             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1890                 self->skip_pager = FALSE;
1891             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1892                 fullscreen = FALSE;
1893             } else if (state == prop_atoms.net_wm_state_above) {
1894                 self->above = FALSE;
1895             } else if (state == prop_atoms.net_wm_state_below) {
1896                 self->below = FALSE;
1897             }
1898         }
1899     }
1900     if (max_horz != self->max_horz || max_vert != self->max_vert) {
1901         if (max_horz != self->max_horz && max_vert != self->max_vert) {
1902             /* toggling both */
1903             if (max_horz == max_vert) { /* both going the same way */
1904                 client_maximize(self, max_horz, 0, TRUE);
1905             } else {
1906                 client_maximize(self, max_horz, 1, TRUE);
1907                 client_maximize(self, max_vert, 2, TRUE);
1908             }
1909         } else {
1910             /* toggling one */
1911             if (max_horz != self->max_horz)
1912                 client_maximize(self, max_horz, 1, TRUE);
1913             else
1914                 client_maximize(self, max_vert, 2, TRUE);
1915         }
1916     }
1917     /* change fullscreen state before shading, as it will affect if the window
1918        can shade or not */
1919     if (fullscreen != self->fullscreen)
1920         client_fullscreen(self, fullscreen, TRUE);
1921     if (shaded != self->shaded)
1922         client_shade(self, shaded);
1923     client_calc_layer(self);
1924     client_change_state(self); /* change the hint to relect these changes */
1925 }
1926
1927 gboolean client_focus(Client *self)
1928 {
1929     XEvent ev;
1930     Client *child;
1931
1932     /* if we have a modal child, then focus it, not us */
1933     child = client_find_modal_child(self);
1934     if (child)
1935         return client_focus(child);
1936
1937     /* won't try focus if the client doesn't want it, or if the window isn't
1938        visible on the screen */
1939     if (!(self->frame->visible &&
1940           (self->can_focus || self->focus_notify)))
1941         return FALSE;
1942
1943     /* do a check to see if the window has already been unmapped or destroyed
1944        do this intelligently while watching out for unmaps we've generated
1945        (ignore_unmaps > 0) */
1946     if (XCheckTypedWindowEvent(ob_display, self->window,
1947                                DestroyNotify, &ev)) {
1948         XPutBackEvent(ob_display, &ev);
1949         return FALSE;
1950     }
1951     while (XCheckTypedWindowEvent(ob_display, self->window,
1952                                   UnmapNotify, &ev)) {
1953         if (self->ignore_unmaps) {
1954             self->ignore_unmaps--;
1955         } else {
1956             XPutBackEvent(ob_display, &ev);
1957             return FALSE;
1958         }
1959     }
1960
1961     if (self->can_focus)
1962         /* RevertToPointerRoot causes much more headache than TevertToNone, so
1963            I choose to use it always, hopefully to find errors quicker, if any
1964            are left. (I hate X. I hate focus events.) */
1965         XSetInputFocus(ob_display, self->window, RevertToPointerRoot,
1966                        event_lasttime);
1967
1968     if (self->focus_notify) {
1969         XEvent ce;
1970         ce.xclient.type = ClientMessage;
1971         ce.xclient.message_type = prop_atoms.wm_protocols;
1972         ce.xclient.display = ob_display;
1973         ce.xclient.window = self->window;
1974         ce.xclient.format = 32;
1975         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
1976         ce.xclient.data.l[1] = event_lasttime;
1977         ce.xclient.data.l[2] = 0l;
1978         ce.xclient.data.l[3] = 0l;
1979         ce.xclient.data.l[4] = 0l;
1980         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1981     }
1982
1983     g_message("focusing %lx", self->window);
1984
1985     /* Cause the FocusIn to come back to us. Important for desktop switches,
1986        since otherwise we'll have no FocusIn on the queue and send it off to
1987        the focus_backup. */
1988     XSync(ob_display, FALSE);
1989     return TRUE;
1990 }
1991
1992 void client_unfocus(Client *self)
1993 {
1994     g_assert(focus_client == self);
1995     focus_fallback(FALSE);
1996 }
1997
1998 gboolean client_focused(Client *self)
1999 {
2000     return self == focus_client;
2001 }
2002
2003 Icon *client_icon(Client *self, int w, int h)
2004 {
2005     int i;
2006     /* si is the smallest image >= req */
2007     /* li is the largest image < req */
2008     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
2009
2010     if (!self->nicons) return NULL;
2011
2012     for (i = 0; i < self->nicons; ++i) {
2013         size = self->icons[i].width * self->icons[i].height;
2014         if (size < smallest && size >= (unsigned)(w * h)) {
2015             smallest = size;
2016             si = i;
2017         }
2018         if (size > largest && size <= (unsigned)(w * h)) {
2019             largest = size;
2020             li = i;
2021         }
2022     }
2023     if (largest == 0) /* didnt find one smaller than the requested size */
2024         return &self->icons[si];
2025     return &self->icons[li];
2026 }