openbox/client.c

   1 #include "client.h"
   2 #include "screen.h"
   3 #include "prop.h"
   4 #include "extensions.h"
   5 #include "frame.h"
   6 #include "engine.h"
   7 #include "event.h"
   8 #include "grab.h"
   9 #include "focus.h"
  10 #include "stacking.h"
  11 #include "dispatch.h"
  12
  13 #include <glib.h>
  14 #include <X11/Xutil.h>
  15
  16 /*! The event mask to grab on client windows */
  17 #define CLIENT_EVENTMASK (PropertyChangeMask | FocusChangeMask | \
  18                           StructureNotifyMask)
  19
  20 #define CLIENT_NOPROPAGATEMASK (ButtonPressMask | ButtonReleaseMask | \
  21                                 ButtonMotionMask)
  22
  23 GSList     *client_list      = NULL;
  24 GHashTable *client_map       = NULL;
  25
  26 static Window *client_startup_stack_order = NULL;
  27 static gulong  client_startup_stack_size = 0;
  28
  29 static void client_get_all(Client *self);
  30 static void client_toggle_border(Client *self, gboolean show);
  31 static void client_get_area(Client *self);
  32 static void client_get_desktop(Client *self);
  33 static void client_get_state(Client *self);
  34 static void client_get_shaped(Client *self);
  35 static void client_get_mwm_hints(Client *self);
  36 static void client_get_gravity(Client *self);
  37 static void client_showhide(Client *self);
  38 static void client_change_allowed_actions(Client *self);
  39 static void client_change_state(Client *self);
  40 static Client *search_focus_tree(Client *node, Client *skip);
  41 static void client_apply_startup_state(Client *self);
  42 static Client *search_modal_tree(Client *node, Client *skip);
  43
  44 static guint map_hash(Window *w) { return *w; }
  45 static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
  46
  47 void client_startup()
  48 {
  49     client_map = g_hash_table_new((GHashFunc)map_hash,
  50                                   (GEqualFunc)map_key_comp);
  51
  52     /* save the stacking order on startup! */
  53     PROP_GET32U(ob_root, net_client_list_stacking, window,
  54                 client_startup_stack_order, client_startup_stack_size);
  55
  56     client_set_list();
  57 }
  58
  59 void client_shutdown()
  60 {
  61     g_hash_table_destroy(client_map);
  62 }
  63
  64 void client_set_list()
  65 {
  66     Window *windows, *win_it;
  67     GSList *it;
  68     guint size = g_slist_length(client_list);
  69
  70     /* create an array of the window ids */
  71     if (size > 0) {
  72         windows = g_new(Window, size);
  73         win_it = windows;
  74         for (it = client_list; it != NULL; it = it->next, ++win_it)
  75             *win_it = ((Client*)it->data)->window;
  76     } else
  77         windows = NULL;
  78
  79     PROP_SET32A(ob_root, net_client_list, window, windows, size);
  80
  81     if (windows)
  82         g_free(windows);
  83
  84     stacking_set_list();
  85 }
  86
  87 void client_manage_all()
  88 {
  89     unsigned int i, j, nchild;
  90     Window w, *children;
  91     XWMHints *wmhints;
  92     XWindowAttributes attrib;
  93
  94     XQueryTree(ob_display, ob_root, &w, &w, &children, &nchild);
  95
  96     /* remove all icon windows from the list */
  97     for (i = 0; i < nchild; i++) {
  98         if (children[i] == None) continue;
  99         wmhints = XGetWMHints(ob_display, children[i]);
 100         if (wmhints) {
 101             if ((wmhints->flags & IconWindowHint) &&
 102                 (wmhints->icon_window != children[i]))
 103                 for (j = 0; j < nchild; j++)
 104                     if (children[j] == wmhints->icon_window) {
 105                         children[j] = None;
 106                         break;
 107                     }
 108             XFree(wmhints);
 109         }
 110     }
 111
 112     for (i = 0; i < nchild; ++i) {
 113         if (children[i] == None)
 114             continue;
 115         if (XGetWindowAttributes(ob_display, children[i], &attrib)) {
 116             if (attrib.override_redirect) continue;
 117
 118             if (attrib.map_state != IsUnmapped)
 119                 client_manage(children[i]);
 120         }
 121     }
 122     XFree(children);
 123
 124     /* stack them as they were on startup!
 125        why with stacking_lower? Why, because then windows who aren't in the
 126        stacking list are on the top where you can see them instead of buried
 127        at the bottom! */
 128     for (i = client_startup_stack_size; i > 0; --i) {
 129         Client *c;
 130
 131         w = client_startup_stack_order[i-1];
 132         c = g_hash_table_lookup(client_map, &w);
 133         g_message("0x%lx %d", c->window, c->iconic);
 134         if (c) stacking_lower(c);
 135     }
 136     g_free(client_startup_stack_order);
 137     client_startup_stack_order = NULL;
 138     client_startup_stack_size = 0;
 139 }
 140
 141 void client_manage(Window window)
 142 {
 143     Client *client;
 144     XEvent e;
 145     XWindowAttributes attrib;
 146     XSetWindowAttributes attrib_set;
 147 /*    XWMHints *wmhint; */
 148     guint i;
 149
 150     grab_server(TRUE);
 151
 152     /* check if it has already been unmapped by the time we started mapping
 153        the grab does a sync so we don't have to here */
 154     if (XCheckTypedWindowEvent(ob_display, window, DestroyNotify, &e) ||
 155         XCheckTypedWindowEvent(ob_display, window, UnmapNotify, &e)) {
 156         XPutBackEvent(ob_display, &e);
 157
 158         grab_server(FALSE);
 159         return; /* don't manage it */
 160     }
 161
 162     /* make sure it isn't an override-redirect window */
 163     if (!XGetWindowAttributes(ob_display, window, &attrib) ||
 164         attrib.override_redirect) {
 165         grab_server(FALSE);
 166         return; /* don't manage it */
 167     }
 168
 169 /*    /\* is the window a docking app *\/
 170     if ((wmhint = XGetWMHints(ob_display, window))) {
 171         if ((wmhint->flags & StateHint) &&
 172             wmhint->initial_state == WithdrawnState) {
 173             /\* XXX: make dock apps work! *\/
 174             grab_server(FALSE);
 175             XFree(wmhint);
 176             return;
 177         }
 178         XFree(wmhint);
 179     }
 180 */
 181
 182     /* choose the events we want to receive on the CLIENT window */
 183     attrib_set.event_mask = CLIENT_EVENTMASK;
 184     attrib_set.do_not_propagate_mask = CLIENT_NOPROPAGATEMASK;
 185     XChangeWindowAttributes(ob_display, window,
 186                             CWEventMask|CWDontPropagate, &attrib_set);
 187
 188
 189     /* create the Client struct, and populate it from the hints on the
 190        window */
 191     client = g_new(Client, 1);
 192     client->window = window;
 193     client_get_all(client);
 194
 195     /* remove the client's border (and adjust re gravity) */
 196     client_toggle_border(client, FALSE);
 197
 198     /* specify that if we exit, the window should not be destroyed and should
 199        be reparented back to root automatically */
 200     XChangeSaveSet(ob_display, window, SetModeInsert);
 201
 202     /* create the decoration frame for the client window */
 203     client->frame = engine_frame_new();
 204
 205     engine_frame_grab_client(client->frame, client);
 206
 207     client_apply_startup_state(client);
 208
 209     grab_server(FALSE);
 210
 211     client_list = g_slist_append(client_list, client);
 212     stacking_list = g_list_append(stacking_list, client);
 213     g_assert(!g_hash_table_lookup(client_map, &client->window));
 214     g_hash_table_insert(client_map, &client->window, client);
 215
 216     /* update the focus lists */
 217     if (client->desktop == DESKTOP_ALL) {
 218         for (i = 0; i < screen_num_desktops; ++i)
 219             focus_order[i] = g_list_append(focus_order[i], client);
 220     } else {
 221         i = client->desktop;
 222         focus_order[i] = g_list_append(focus_order[i], client);
 223     }
 224
 225     stacking_raise(client);
 226
 227     screen_update_struts();
 228
 229     dispatch_client(Event_Client_New, client, 0, 0);
 230
 231     client_showhide(client);
 232
 233     dispatch_client(Event_Client_Mapped, client, 0, 0);
 234
 235     /* update the list hints */
 236     client_set_list();
 237
 238 /*    g_message("Managed window 0x%lx", window);*/
 239 }
 240
 241 void client_unmanage_all()
 242 {
 243     while (client_list != NULL)
 244         client_unmanage(client_list->data);
 245 }
 246
 247 void client_unmanage(Client *client)
 248 {
 249     guint i;
 250     int j;
 251     GSList *it;
 252
 253 /*    g_message("Unmanaging window: %lx", client->window);*/
 254
 255     dispatch_client(Event_Client_Destroy, client, 0, 0);
 256     g_assert(client != NULL);
 257
 258     /* remove the window from our save set */
 259     XChangeSaveSet(ob_display, client->window, SetModeDelete);
 260
 261     /* we dont want events no more */
 262     XSelectInput(ob_display, client->window, NoEventMask);
 263
 264     engine_frame_hide(client->frame);
 265
 266     client_list = g_slist_remove(client_list, client);
 267     stacking_list = g_list_remove(stacking_list, client);
 268     g_hash_table_remove(client_map, &client->window);
 269
 270     /* update the focus lists */
 271     if (client->desktop == DESKTOP_ALL) {
 272         for (i = 0; i < screen_num_desktops; ++i)
 273             focus_order[i] = g_list_remove(focus_order[i], client);
 274     } else {
 275         i = client->desktop;
 276         focus_order[i] = g_list_remove(focus_order[i], client);
 277     }
 278
 279     /* once the client is out of the list, update the struts to remove it's
 280        influence */
 281     screen_update_struts();
 282
 283     /* tell our parent that we're gone */
 284     if (client->transient_for != NULL)
 285         client->transient_for->transients =
 286             g_slist_remove(client->transient_for->transients, client);
 287
 288     /* tell our transients that we're gone */
 289     for (it = client->transients; it != NULL; it = it->next) {
 290         ((Client*)it->data)->transient_for = NULL;
 291         client_calc_layer(it->data);
 292     }
 293
 294     /* dispatch the unmapped event */
 295     dispatch_client(Event_Client_Unmapped, client, 0, 0);
 296     g_assert(client != NULL);
 297
 298     /* unfocus the client (dispatchs the focus event) (we're out of the
 299      transient lists already, so being modal doesn't matter) */
 300     if (client_focused(client))
 301         client_unfocus(client);
 302
 303     /* give the client its border back */
 304     client_toggle_border(client, TRUE);
 305
 306     /* reparent the window out of the frame, and free the frame */
 307     engine_frame_release_client(client->frame, client);
 308     client->frame = NULL;
 309
 310     if (ob_state != State_Exiting) {
 311         /* these values should not be persisted across a window
 312            unmapping/mapping */
 313         prop_erase(client->window, prop_atoms.net_wm_desktop);
 314         prop_erase(client->window, prop_atoms.net_wm_state);
 315     } else {
 316         /* if we're left in an iconic state, the client wont be mapped. this is
 317            bad, since we will no longer be managing the window on restart */
 318         if (client->iconic)
 319             XMapWindow(ob_display, client->window);
 320     }
 321
 322     /* free all data allocated in the client struct */
 323     g_slist_free(client->transients);
 324     for (j = 0; j < client->nicons; ++j)
 325         g_free(client->icons[j].data);
 326     if (client->nicons > 0)
 327         g_free(client->icons);
 328     g_free(client->title);
 329     g_free(client->icon_title);
 330     g_free(client->name);
 331     g_free(client->class);
 332     g_free(client->role);
 333     g_free(client);
 334
 335     /* update the list hints */
 336     client_set_list();
 337 }
 338
 339 static void client_toggle_border(Client *self, gboolean show)
 340 {
 341     /* adjust our idea of where the client is, based on its border. When the
 342        border is removed, the client should now be considered to be in a
 343        different position.
 344        when re-adding the border to the client, the same operation needs to be
 345        reversed. */
 346     int oldx = self->area.x, oldy = self->area.y;
 347     int x = oldx, y = oldy;
 348     switch(self->gravity) {
 349     default:
 350     case NorthWestGravity:
 351     case WestGravity:
 352     case SouthWestGravity:
 353         break;
 354     case NorthEastGravity:
 355     case EastGravity:
 356     case SouthEastGravity:
 357         if (show) x -= self->border_width * 2;
 358         else      x += self->border_width * 2;
 359         break;
 360     case NorthGravity:
 361     case SouthGravity:
 362     case CenterGravity:
 363     case ForgetGravity:
 364     case StaticGravity:
 365         if (show) x -= self->border_width;
 366         else      x += self->border_width;
 367         break;
 368     }
 369     switch(self->gravity) {
 370     default:
 371     case NorthWestGravity:
 372     case NorthGravity:
 373     case NorthEastGravity:
 374         break;
 375     case SouthWestGravity:
 376     case SouthGravity:
 377     case SouthEastGravity:
 378         if (show) y -= self->border_width * 2;
 379         else      y += self->border_width * 2;
 380         break;
 381     case WestGravity:
 382     case EastGravity:
 383     case CenterGravity:
 384     case ForgetGravity:
 385     case StaticGravity:
 386         if (show) y -= self->border_width;
 387         else      y += self->border_width;
 388         break;
 389     }
 390     self->area.x = x;
 391     self->area.y = y;
 392
 393     if (show) {
 394         XSetWindowBorderWidth(ob_display, self->window, self->border_width);
 395
 396         /* move the client so it is back it the right spot _with_ its
 397            border! */
 398         if (x != oldx || y != oldy)
 399             XMoveWindow(ob_display, self->window, x, y);
 400     } else
 401         XSetWindowBorderWidth(ob_display, self->window, 0);
 402 }
 403
 404
 405 static void client_get_all(Client *self)
 406 {
 407     /* update EVERYTHING!! */
 408
 409     self->ignore_unmaps = 0;
 410
 411     /* defaults */
 412     self->frame = NULL;
 413     self->title = self->icon_title = NULL;
 414     self->name = self->class = self->role = NULL;
 415     self->wmstate = NormalState;
 416     self->transient = FALSE;
 417     self->transients = NULL;
 418     self->transient_for = NULL;
 419     self->layer = -1;
 420     self->urgent = FALSE;
 421     self->positioned = FALSE;
 422     self->disabled_decorations = 0;
 423     self->group = None;
 424     self->nicons = 0;
 425
 426     client_get_area(self);
 427     client_get_desktop(self);
 428     client_get_state(self);
 429     client_get_shaped(self);
 430
 431     client_update_transient_for(self);
 432     client_get_mwm_hints(self);
 433     client_get_type(self);/* this can change the mwmhints for special cases */
 434
 435     client_update_protocols(self);
 436
 437     client_get_gravity(self); /* get the attribute gravity */
 438     client_update_normal_hints(self); /* this may override the attribute
 439                                          gravity */
 440
 441     /* got the type, the mwmhints, the protocols, and the normal hints
 442        (min/max sizes), so we're ready to set up the decorations/functions */
 443     client_setup_decor_and_functions(self);
 444
 445     client_update_wmhints(self);
 446     client_update_title(self);
 447     client_update_icon_title(self);
 448     client_update_class(self);
 449     client_update_strut(self);
 450     client_update_icons(self);
 451     client_update_kwm_icon(self);
 452
 453     /* this makes sure that these windows appear on all desktops */
 454     if (self->type == Type_Desktop)
 455         self->desktop = DESKTOP_ALL;
 456
 457     /* set the desktop hint, to make sure that it always exists, and to
 458        reflect any changes we've made here */
 459     PROP_SET32(self->window, net_wm_desktop, cardinal, self->desktop);
 460
 461     client_change_state(self);
 462 }
 463
 464 static void client_get_area(Client *self)
 465 {
 466     XWindowAttributes wattrib;
 467     Status ret;
 468
 469     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 470     g_assert(ret != BadWindow);
 471
 472     RECT_SET(self->area, wattrib.x, wattrib.y, wattrib.width, wattrib.height);
 473     self->border_width = wattrib.border_width;
 474 }
 475
 476 static void client_get_desktop(Client *self)
 477 {
 478     unsigned int d;
 479
 480     if (PROP_GET32(self->window, net_wm_desktop, cardinal, d)) {
 481         if (d >= screen_num_desktops && d != DESKTOP_ALL)
 482             d = screen_num_desktops - 1;
 483         self->desktop = d;
 484     } else {
 485         /* defaults to the current desktop */
 486         self->desktop = screen_desktop;
 487     }
 488 }
 489
 490 static void client_get_state(Client *self)
 491 {
 492     gulong *state;
 493     gulong num;
 494
 495     self->modal = self->shaded = self->max_horz = self->max_vert =
 496         self->fullscreen = self->above = self->below = self->iconic =
 497         self->skip_taskbar = self->skip_pager = FALSE;
 498
 499     if (PROP_GET32U(self->window, net_wm_state, atom, state, num)) {
 500         gulong i;
 501         for (i = 0; i < num; ++i) {
 502             if (state[i] == prop_atoms.net_wm_state_modal)
 503                 self->modal = TRUE;
 504             else if (state[i] == prop_atoms.net_wm_state_shaded)
 505                 self->shaded = TRUE;
 506             else if (state[i] == prop_atoms.net_wm_state_hidden)
 507                 self->iconic = TRUE;
 508             else if (state[i] == prop_atoms.net_wm_state_skip_taskbar)
 509                 self->skip_taskbar = TRUE;
 510             else if (state[i] == prop_atoms.net_wm_state_skip_pager)
 511                 self->skip_pager = TRUE;
 512             else if (state[i] == prop_atoms.net_wm_state_fullscreen)
 513                 self->fullscreen = TRUE;
 514             else if (state[i] == prop_atoms.net_wm_state_maximized_vert)
 515                 self->max_vert = TRUE;
 516             else if (state[i] == prop_atoms.net_wm_state_maximized_horz)
 517                 self->max_horz = TRUE;
 518             else if (state[i] == prop_atoms.net_wm_state_above)
 519                 self->above = TRUE;
 520             else if (state[i] == prop_atoms.net_wm_state_below)
 521                 self->below = TRUE;
 522         }
 523
 524         g_free(state);
 525     }
 526 }
 527
 528 static void client_get_shaped(Client *self)
 529 {
 530     self->shaped = FALSE;
 531 #ifdef   SHAPE
 532     if (extensions_shape) {
 533         int foo;
 534         guint ufoo;
 535         int s;
 536
 537         XShapeSelectInput(ob_display, self->window, ShapeNotifyMask);
 538
 539         XShapeQueryExtents(ob_display, self->window, &s, &foo,
 540                            &foo, &ufoo, &ufoo, &foo, &foo, &foo, &ufoo,
 541                            &ufoo);
 542         self->shaped = (s != 0);
 543     }
 544 #endif
 545 }
 546
 547 void client_update_transient_for(Client *self)
 548 {
 549     Window t = None;
 550     Client *c = NULL;
 551
 552     if (XGetTransientForHint(ob_display, self->window, &t) &&
 553         t != self->window) { /* cant be transient to itself! */
 554         self->transient = TRUE;
 555         c = g_hash_table_lookup(client_map, &t);
 556         g_assert(c != self);/* if this happens then we need to check for it*/
 557
 558         if (!c /*XXX: && _group*/) {
 559             /* not transient to a client, see if it is transient for a
 560                group */
 561             if (/*t == _group->leader() || */
 562                 t == None ||
 563                 t == ob_root) {
 564                 /* window is a transient for its group! */
 565                 /* XXX: for now this is treated as non-transient.
 566                    this needs to be fixed! */
 567             }
 568         }
 569     } else
 570         self->transient = FALSE;
 571
 572     /* if anything has changed... */
 573     if (c != self->transient_for) {
 574         if (self->transient_for)
 575             /* remove from old parent */
 576             self->transient_for->transients =
 577                 g_slist_remove(self->transient_for->transients, self);
 578         self->transient_for = c;
 579         if (self->transient_for)
 580             /* add to new parent */
 581             self->transient_for->transients =
 582                 g_slist_append(self->transient_for->transients, self);
 583     }
 584 }
 585
 586 static void client_get_mwm_hints(Client *self)
 587 {
 588     unsigned long num;
 589     unsigned long *hints;
 590
 591     self->mwmhints.flags = 0; /* default to none */
 592
 593     if (PROP_GET32U(self->window, motif_wm_hints, motif_wm_hints, hints, num)) {
 594         if (num >= MWM_ELEMENTS) {
 595             self->mwmhints.flags = hints[0];
 596             self->mwmhints.functions = hints[1];
 597             self->mwmhints.decorations = hints[2];
 598         }
 599         g_free(hints);
 600     }
 601 }
 602
 603 void client_get_type(Client *self)
 604 {
 605     gulong *val, num, i;
 606
 607     self->type = -1;
 608
 609     if (PROP_GET32U(self->window, net_wm_window_type, atom, val, num)) {
 610         /* use the first value that we know about in the array */
 611         for (i = 0; i < num; ++i) {
 612             if (val[i] == prop_atoms.net_wm_window_type_desktop)
 613                 self->type = Type_Desktop;
 614             else if (val[i] == prop_atoms.net_wm_window_type_dock)
 615                 self->type = Type_Dock;
 616             else if (val[i] == prop_atoms.net_wm_window_type_toolbar)
 617                 self->type = Type_Toolbar;
 618             else if (val[i] == prop_atoms.net_wm_window_type_menu)
 619                 self->type = Type_Menu;
 620             else if (val[i] == prop_atoms.net_wm_window_type_utility)
 621                 self->type = Type_Utility;
 622             else if (val[i] == prop_atoms.net_wm_window_type_splash)
 623                 self->type = Type_Splash;
 624             else if (val[i] == prop_atoms.net_wm_window_type_dialog)
 625                 self->type = Type_Dialog;
 626             else if (val[i] == prop_atoms.net_wm_window_type_normal)
 627                 self->type = Type_Normal;
 628             else if (val[i] == prop_atoms.kde_net_wm_window_type_override) {
 629                 /* prevent this window from getting any decor or
 630                    functionality */
 631                 self->mwmhints.flags &= (MwmFlag_Functions |
 632                                          MwmFlag_Decorations);
 633                 self->mwmhints.decorations = 0;
 634                 self->mwmhints.functions = 0;
 635             }
 636             if (self->type != (WindowType) -1)
 637                 break; /* grab the first legit type */
 638         }
 639         g_free(val);
 640     }
 641
 642     if (self->type == (WindowType) -1) {
 643         /*the window type hint was not set, which means we either classify
 644           ourself as a normal window or a dialog, depending on if we are a
 645           transient. */
 646         if (self->transient)
 647             self->type = Type_Dialog;
 648         else
 649             self->type = Type_Normal;
 650     }
 651 }
 652
 653 void client_update_protocols(Client *self)
 654 {
 655     Atom *proto;
 656     gulong num_return, i;
 657
 658     self->focus_notify = FALSE;
 659     self->delete_window = FALSE;
 660
 661     if (PROP_GET32U(self->window, wm_protocols, atom, proto, num_return)) {
 662         for (i = 0; i < num_return; ++i) {
 663             if (proto[i] == prop_atoms.wm_delete_window) {
 664                 /* this means we can request the window to close */
 665                 self->delete_window = TRUE;
 666             } else if (proto[i] == prop_atoms.wm_take_focus)
 667                 /* if this protocol is requested, then the window will be
 668                    notified whenever we want it to receive focus */
 669                 self->focus_notify = TRUE;
 670         }
 671         g_free(proto);
 672     }
 673 }
 674
 675 static void client_get_gravity(Client *self)
 676 {
 677     XWindowAttributes wattrib;
 678     Status ret;
 679
 680     ret = XGetWindowAttributes(ob_display, self->window, &wattrib);
 681     g_assert(ret != BadWindow);
 682     self->gravity = wattrib.win_gravity;
 683 }
 684
 685 void client_update_normal_hints(Client *self)
 686 {
 687     XSizeHints size;
 688     long ret;
 689     int oldgravity = self->gravity;
 690
 691     /* defaults */
 692     self->min_ratio = 0.0f;
 693     self->max_ratio = 0.0f;
 694     SIZE_SET(self->size_inc, 1, 1);
 695     SIZE_SET(self->base_size, 0, 0);
 696     SIZE_SET(self->min_size, 0, 0);
 697     SIZE_SET(self->max_size, G_MAXINT, G_MAXINT);
 698
 699     /* get the hints from the window */
 700     if (XGetWMNormalHints(ob_display, self->window, &size, &ret)) {
 701         self->positioned = (size.flags & (PPosition|USPosition));
 702
 703         if (size.flags & PWinGravity) {
 704             self->gravity = size.win_gravity;
 705
 706             /* if the client has a frame, i.e. has already been mapped and
 707                is changing its gravity */
 708             if (self->frame && self->gravity != oldgravity) {
 709                 /* move our idea of the client's position based on its new
 710                    gravity */
 711                 self->area.x = self->frame->area.x;
 712                 self->area.y = self->frame->area.y;
 713                 frame_frame_gravity(self->frame, &self->area.x, &self->area.y);
 714             }
 715         }
 716
 717         if (size.flags & PAspect) {
 718             if (size.min_aspect.y)
 719                 self->min_ratio = (float)size.min_aspect.x / size.min_aspect.y;
 720             if (size.max_aspect.y)
 721                 self->max_ratio = (float)size.max_aspect.x / size.max_aspect.y;
 722         }
 723
 724         if (size.flags & PMinSize)
 725             SIZE_SET(self->min_size, size.min_width, size.min_height);
 726
 727         if (size.flags & PMaxSize)
 728             SIZE_SET(self->max_size, size.max_width, size.max_height);
 729
 730         if (size.flags & PBaseSize)
 731             SIZE_SET(self->base_size, size.base_width, size.base_height);
 732
 733         if (size.flags & PResizeInc)
 734             SIZE_SET(self->size_inc, size.width_inc, size.height_inc);
 735     }
 736 }
 737
 738 void client_setup_decor_and_functions(Client *self)
 739 {
 740     /* start with everything (cept fullscreen) */
 741     self->decorations = Decor_Titlebar | Decor_Handle | Decor_Border |
 742         Decor_Icon | Decor_AllDesktops | Decor_Iconify | Decor_Maximize;
 743     self->functions = Func_Resize | Func_Move | Func_Iconify | Func_Maximize |
 744         Func_Shade;
 745     if (self->delete_window) {
 746         self->decorations |= Decor_Close;
 747         self->functions |= Func_Close;
 748     }
 749
 750     if (!(self->min_size.width < self->max_size.width ||
 751           self->min_size.height < self->max_size.height)) {
 752         self->decorations &= ~(Decor_Maximize | Decor_Handle);
 753         self->functions &= ~(Func_Resize | Func_Maximize);
 754     }
 755
 756     switch (self->type) {
 757     case Type_Normal:
 758         /* normal windows retain all of the possible decorations and
 759            functionality, and are the only windows that you can fullscreen */
 760         self->functions |= Func_Fullscreen;
 761         break;
 762
 763     case Type_Dialog:
 764         /* dialogs cannot be maximized */
 765         self->decorations &= ~Decor_Maximize;
 766         self->functions &= ~Func_Maximize;
 767         break;
 768
 769     case Type_Menu:
 770     case Type_Toolbar:
 771     case Type_Utility:
 772         /* these windows get less functionality */
 773         self->decorations &= ~(Decor_Iconify | Decor_Handle);
 774         self->functions &= ~(Func_Iconify | Func_Resize);
 775         break;
 776
 777     case Type_Desktop:
 778     case Type_Dock:
 779     case Type_Splash:
 780         /* none of these windows are manipulated by the window manager */
 781         self->decorations = 0;
 782         self->functions = 0;
 783         break;
 784     }
 785
 786     /* Mwm Hints are applied subtractively to what has already been chosen for
 787        decor and functionality */
 788     if (self->mwmhints.flags & MwmFlag_Decorations) {
 789         if (! (self->mwmhints.decorations & MwmDecor_All)) {
 790             if (! (self->mwmhints.decorations & MwmDecor_Border))
 791                 self->decorations &= ~Decor_Border;
 792             if (! (self->mwmhints.decorations & MwmDecor_Handle))
 793                 self->decorations &= ~Decor_Handle;
 794             if (! (self->mwmhints.decorations & MwmDecor_Title))
 795                 self->decorations &= ~Decor_Titlebar;
 796             if (! (self->mwmhints.decorations & MwmDecor_Iconify))
 797                 self->decorations &= ~Decor_Iconify;
 798             if (! (self->mwmhints.decorations & MwmDecor_Maximize))
 799                 self->decorations &= ~Decor_Maximize;
 800         }
 801     }
 802
 803     if (self->mwmhints.flags & MwmFlag_Functions) {
 804         if (! (self->mwmhints.functions & MwmFunc_All)) {
 805             if (! (self->mwmhints.functions & MwmFunc_Resize))
 806                 self->functions &= ~Func_Resize;
 807             if (! (self->mwmhints.functions & MwmFunc_Move))
 808                 self->functions &= ~Func_Move;
 809             if (! (self->mwmhints.functions & MwmFunc_Iconify))
 810                 self->functions &= ~Func_Iconify;
 811             if (! (self->mwmhints.functions & MwmFunc_Maximize))
 812                 self->functions &= ~Func_Maximize;
 813             /* dont let mwm hints kill the close button
 814                if (! (self->mwmhints.functions & MwmFunc_Close))
 815                self->functions &= ~Func_Close; */
 816         }
 817     }
 818
 819     /* can't maximize without moving/resizing */
 820     if (!((self->functions & Func_Move) && (self->functions & Func_Resize)))
 821         self->functions &= ~(Func_Maximize | Func_Fullscreen);
 822
 823     /* finally, user specified disabled decorations are applied to subtract
 824        decorations */
 825     if (self->disabled_decorations & Decor_Titlebar)
 826         self->decorations &= ~Decor_Titlebar;
 827     if (self->disabled_decorations & Decor_Handle)
 828         self->decorations &= ~Decor_Handle;
 829     if (self->disabled_decorations & Decor_Border)
 830         self->decorations &= ~Decor_Border;
 831     if (self->disabled_decorations & Decor_Iconify)
 832         self->decorations &= ~Decor_Iconify;
 833     if (self->disabled_decorations & Decor_Maximize)
 834         self->decorations &= ~Decor_Maximize;
 835     if (self->disabled_decorations & Decor_AllDesktops)
 836         self->decorations &= ~Decor_AllDesktops;
 837     if (self->disabled_decorations & Decor_Close)
 838         self->decorations &= ~Decor_Close;
 839
 840     /* if we don't have a titlebar, then we cannot shade! */
 841     if (!(self->decorations & Decor_Titlebar))
 842         self->functions &= ~Func_Shade;
 843
 844     client_change_allowed_actions(self);
 845
 846     if (self->frame) {
 847         /* change the decors on the frame, and with more/less decorations,
 848            we may also need to be repositioned */
 849         engine_frame_adjust_area(self->frame, TRUE, TRUE);
 850         /* with new decor, the window's maximized size may change */
 851         client_remaximize(self);
 852     }
 853 }
 854
 855 static void client_change_allowed_actions(Client *self)
 856 {
 857     Atom actions[9];
 858     int num = 0;
 859
 860     actions[num++] = prop_atoms.net_wm_action_change_desktop;
 861
 862     if (self->functions & Func_Shade)
 863         actions[num++] = prop_atoms.net_wm_action_shade;
 864     if (self->functions & Func_Close)
 865         actions[num++] = prop_atoms.net_wm_action_close;
 866     if (self->functions & Func_Move)
 867         actions[num++] = prop_atoms.net_wm_action_move;
 868     if (self->functions & Func_Iconify)
 869         actions[num++] = prop_atoms.net_wm_action_minimize;
 870     if (self->functions & Func_Resize)
 871         actions[num++] = prop_atoms.net_wm_action_resize;
 872     if (self->functions & Func_Fullscreen)
 873         actions[num++] = prop_atoms.net_wm_action_fullscreen;
 874     if (self->functions & Func_Maximize) {
 875         actions[num++] = prop_atoms.net_wm_action_maximize_horz;
 876         actions[num++] = prop_atoms.net_wm_action_maximize_vert;
 877     }
 878
 879     PROP_SET32A(self->window, net_wm_allowed_actions, atom, actions, num);
 880
 881     /* make sure the window isn't breaking any rules now */
 882
 883     if (!(self->functions & Func_Shade) && self->shaded) {
 884         if (self->frame) client_shade(self, FALSE);
 885         else self->shaded = FALSE;
 886     }
 887     if (!(self->functions & Func_Iconify) && self->iconic) {
 888         if (self->frame) client_iconify(self, FALSE, TRUE);
 889         else self->iconic = FALSE;
 890     }
 891     if (!(self->functions & Func_Fullscreen) && self->fullscreen) {
 892         if (self->frame) client_fullscreen(self, FALSE, TRUE);
 893         else self->fullscreen = FALSE;
 894     }
 895     if (!(self->functions & Func_Maximize) && (self->max_horz ||
 896                                                self->max_vert)) {
 897         if (self->frame) client_maximize(self, FALSE, 0, TRUE);
 898         else self->max_vert = self->max_horz = FALSE;
 899     }
 900 }
 901
 902 void client_remaximize(Client *self)
 903 {
 904     int dir;
 905     if (self->max_horz && self->max_vert)
 906         dir = 0;
 907     else if (self->max_horz)
 908         dir = 1;
 909     else if (self->max_vert)
 910         dir = 2;
 911     else
 912         return; /* not maximized */
 913     self->max_horz = self->max_vert = FALSE;
 914     client_maximize(self, TRUE, dir, FALSE);
 915 }
 916
 917 void client_update_wmhints(Client *self)
 918 {
 919     XWMHints *hints;
 920     gboolean ur = FALSE;
 921
 922     /* assume a window takes input if it doesnt specify */
 923     self->can_focus = TRUE;
 924
 925     if ((hints = XGetWMHints(ob_display, self->window)) != NULL) {
 926         if (hints->flags & InputHint)
 927             self->can_focus = hints->input;
 928
 929         /* only do this when starting! */
 930         if (ob_state == State_Starting && (hints->flags & StateHint))
 931             self->iconic = hints->initial_state == IconicState;
 932
 933         if (hints->flags & XUrgencyHint)
 934             ur = TRUE;
 935
 936         if (hints->flags & WindowGroupHint) {
 937             if (hints->window_group != self->group) {
 938                 /* XXX: remove from the old group if there was one */
 939                 self->group = hints->window_group;
 940                 /* XXX: do stuff with the group */
 941             }
 942         } else /* no group! */
 943             self->group = None;
 944
 945         if (hints->flags & IconPixmapHint) {
 946             client_update_kwm_icon(self);
 947             /* try get the kwm icon first, this is a fallback only */
 948             if (self->pixmap_icon == None) {
 949                 self->pixmap_icon = hints->icon_pixmap;
 950                 if (hints->flags & IconMaskHint)
 951                     self->pixmap_icon_mask = hints->icon_mask;
 952                 else
 953                     self->pixmap_icon_mask = None;
 954
 955                 if (self->frame)
 956                     engine_frame_adjust_icon(self->frame);
 957             }
 958         }
 959
 960         XFree(hints);
 961     }
 962
 963     if (ur != self->urgent) {
 964         self->urgent = ur;
 965         g_message("Urgent Hint for 0x%lx: %s", self->window,
 966                   ur ? "ON" : "OFF");
 967         /* fire the urgent callback if we're mapped, otherwise, wait until
 968            after we're mapped */
 969         if (self->frame)
 970             dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
 971     }
 972 }
 973
 974 void client_update_title(Client *self)
 975 {
 976     gchar *data = NULL;
 977
 978     g_free(self->title);
 979
 980     /* try netwm */
 981     if (!PROP_GETS(self->window, net_wm_name, utf8, data)) {
 982         /* try old x stuff */
 983         if (PROP_GETS(self->window, wm_name, string, data)) {
 984             /* convert it to UTF-8 */
 985             gsize r, w;
 986             gchar *u;
 987
 988             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
 989             if (u == NULL) {
 990                 g_warning("Unable to convert string to UTF-8");
 991             } else {
 992                 g_free(data);
 993                 data = u;
 994             }
 995         }
 996         if (data == NULL)
 997             data = g_strdup("Unnamed Window");
 998
 999         PROP_SETS(self->window, net_wm_visible_name, utf8, data);
1000     }
1001
1002     self->title = data;
1003
1004     if (self->frame)
1005         engine_frame_adjust_title(self->frame);
1006 }
1007
1008 void client_update_icon_title(Client *self)
1009 {
1010     gchar *data = NULL;
1011
1012     g_free(self->icon_title);
1013
1014     /* try netwm */
1015     if (!PROP_GETS(self->window, net_wm_icon_name, utf8, data)) {
1016         /* try old x stuff */
1017         if (PROP_GETS(self->window, wm_icon_name, string, data)) {
1018             /* convert it to UTF-8 */
1019             gsize r, w;
1020             gchar *u;
1021
1022             u = g_locale_to_utf8(data, -1, &r, &w, NULL);
1023             if (u == NULL) {
1024                 g_warning("Unable to convert string to UTF-8");
1025             } else {
1026                 g_free(data);
1027                 data = u;
1028             }
1029         }
1030         if (data == NULL)
1031             data = g_strdup("Unnamed Window");
1032
1033         PROP_SETS(self->window, net_wm_visible_icon_name, utf8, data);
1034     }
1035
1036     self->icon_title = data;
1037 }
1038
1039 void client_update_class(Client *self)
1040 {
1041     GPtrArray *data;
1042     gchar *s;
1043     guint i;
1044
1045     if (self->name) g_free(self->name);
1046     if (self->class) g_free(self->class);
1047     if (self->role) g_free(self->role);
1048
1049     self->name = self->class = self->role = NULL;
1050
1051     data = g_ptr_array_new();
1052
1053     if (PROP_GETSA(self->window, wm_class, string, data)) {
1054         if (data->len > 0)
1055             self->name = g_strdup(g_ptr_array_index(data, 0));
1056         if (data->len > 1)
1057             self->class = g_strdup(g_ptr_array_index(data, 1));
1058     }
1059
1060     for (i = 0; i < data->len; ++i)
1061         g_free(g_ptr_array_index(data, i));
1062     g_ptr_array_free(data, TRUE);
1063
1064     if (PROP_GETS(self->window, wm_window_role, string, s))
1065         self->role = g_strdup(s);
1066
1067     if (self->name == NULL) self->name = g_strdup("");
1068     if (self->class == NULL) self->class = g_strdup("");
1069     if (self->role == NULL) self->role = g_strdup("");
1070 }
1071
1072 void client_update_strut(Client *self)
1073 {
1074     gulong *data;
1075
1076     if (PROP_GET32A(self->window, net_wm_strut, cardinal, data, 4)) {
1077         STRUT_SET(self->strut, data[0], data[1], data[2], data[3]);
1078         g_free(data);
1079     } else
1080         STRUT_SET(self->strut, 0, 0, 0, 0);
1081
1082     /* updating here is pointless while we're being mapped cuz we're not in
1083        the client list yet */
1084     if (self->frame)
1085         screen_update_struts();
1086 }
1087
1088 void client_update_icons(Client *self)
1089 {
1090     unsigned long num;
1091     unsigned long *data;
1092     unsigned long w, h, i;
1093     int j;
1094
1095     for (j = 0; j < self->nicons; ++j)
1096         g_free(self->icons[j].data);
1097     if (self->nicons > 0)
1098         g_free(self->icons);
1099     self->nicons = 0;
1100
1101     if (PROP_GET32U(self->window, net_wm_icon, cardinal, data, num)) {
1102         /* figure out how many valid icons are in here */
1103         i = 0;
1104         while (num - i > 2) {
1105             w = data[i++];
1106             h = data[i++];
1107             i += w * h;
1108             if (i > num) break;
1109             ++self->nicons;
1110         }
1111
1112         self->icons = g_new(Icon, self->nicons);
1113
1114         /* store the icons */
1115         i = 0;
1116         for (j = 0; j < self->nicons; ++j) {
1117             w = self->icons[j].width = data[i++];
1118             h = self->icons[j].height = data[i++];
1119             self->icons[j].data =
1120                 g_memdup(&data[i], w * h * sizeof(gulong));
1121             i += w * h;
1122             g_assert(i <= num);
1123         }
1124
1125         g_free(data);
1126     }
1127
1128     if (self->frame)
1129         engine_frame_adjust_icon(self->frame);
1130 }
1131
1132 void client_update_kwm_icon(Client *self)
1133 {
1134     Pixmap *data;
1135
1136     if (PROP_GET32A(self->window, kwm_win_icon, kwm_win_icon, data, 2)) {
1137         self->pixmap_icon = data[0];
1138         self->pixmap_icon_mask = data[1];
1139         g_free(data);
1140     } else {
1141         self->pixmap_icon = self->pixmap_icon_mask = None;
1142     }
1143     if (self->frame)
1144         engine_frame_adjust_icon(self->frame);
1145 }
1146
1147 static void client_change_state(Client *self)
1148 {
1149     unsigned long state[2];
1150     Atom netstate[10];
1151     int num;
1152
1153     state[0] = self->wmstate;
1154     state[1] = None;
1155     PROP_SET32A(self->window, wm_state, wm_state, state, 2);
1156
1157     num = 0;
1158     if (self->modal)
1159         netstate[num++] = prop_atoms.net_wm_state_modal;
1160     if (self->shaded)
1161         netstate[num++] = prop_atoms.net_wm_state_shaded;
1162     if (self->iconic)
1163         netstate[num++] = prop_atoms.net_wm_state_hidden;
1164     if (self->skip_taskbar)
1165         netstate[num++] = prop_atoms.net_wm_state_skip_taskbar;
1166     if (self->skip_pager)
1167         netstate[num++] = prop_atoms.net_wm_state_skip_pager;
1168     if (self->fullscreen)
1169         netstate[num++] = prop_atoms.net_wm_state_fullscreen;
1170     if (self->max_vert)
1171         netstate[num++] = prop_atoms.net_wm_state_maximized_vert;
1172     if (self->max_horz)
1173         netstate[num++] = prop_atoms.net_wm_state_maximized_horz;
1174     if (self->above)
1175         netstate[num++] = prop_atoms.net_wm_state_above;
1176     if (self->below)
1177         netstate[num++] = prop_atoms.net_wm_state_below;
1178     PROP_SET32A(self->window, net_wm_state, atom, netstate, num);
1179
1180     client_calc_layer(self);
1181
1182     if (self->frame)
1183         engine_frame_adjust_state(self->frame);
1184 }
1185
1186 static Client *search_focus_tree(Client *node, Client *skip)
1187 {
1188     GSList *it;
1189     Client *ret;
1190
1191     for (it = node->transients; it != NULL; it = it->next) {
1192         Client *c = it->data;
1193         if (c == skip) continue; /* circular? */
1194         if ((ret = search_focus_tree(c, skip))) return ret;
1195         if (client_focused(c)) return c;
1196     }
1197     return NULL;
1198 }
1199
1200 void client_calc_layer(Client *self)
1201 {
1202     StackLayer l;
1203     gboolean fs;
1204     Client *c;
1205
1206     /* are we fullscreen, or do we have a fullscreen transient parent? */
1207     c = self;
1208     fs = FALSE;
1209     while (c) {
1210         if (c->fullscreen) {
1211             fs = TRUE;
1212             break;
1213         }
1214         c = c->transient_for;
1215     }
1216     if (!fs && self->fullscreen) {
1217         /* is one of our transients focused? */
1218         c = search_focus_tree(self, self);
1219         if (c != NULL) fs = TRUE;
1220     }
1221
1222     if (self->iconic) l = Layer_Icon;
1223     else if (fs) l = Layer_Fullscreen;
1224     else if (self->type == Type_Desktop) l = Layer_Desktop;
1225     else if (self->type == Type_Dock) {
1226         if (!self->below) l = Layer_Top;
1227         else l = Layer_Normal;
1228     }
1229     else if (self->above) l = Layer_Above;
1230     else if (self->below) l = Layer_Below;
1231     else l = Layer_Normal;
1232
1233     if (l != self->layer) {
1234         self->layer = l;
1235         if (self->frame)
1236             stacking_raise(self);
1237     }
1238 }
1239
1240 gboolean client_should_show(Client *self)
1241 {
1242     if (self->iconic) return FALSE;
1243     else if (!(self->desktop == screen_desktop ||
1244                self->desktop == DESKTOP_ALL)) return FALSE;
1245     else if (client_normal(self) && screen_showing_desktop) return FALSE;
1246
1247     return TRUE;
1248 }
1249
1250 static void client_showhide(Client *self)
1251 {
1252
1253     if (client_should_show(self))
1254         engine_frame_show(self->frame);
1255     else
1256         engine_frame_hide(self->frame);
1257 }
1258
1259 gboolean client_normal(Client *self) {
1260     return ! (self->type == Type_Desktop || self->type == Type_Dock ||
1261               self->type == Type_Splash);
1262 }
1263
1264 static void client_apply_startup_state(Client *self)
1265 {
1266     /* these are in a carefully crafted order.. */
1267
1268     if (self->iconic) {
1269         self->iconic = FALSE;
1270         client_iconify(self, TRUE, FALSE);
1271     }
1272     if (self->fullscreen) {
1273         self->fullscreen = FALSE;
1274         client_fullscreen(self, TRUE, FALSE);
1275     }
1276     if (self->shaded) {
1277         self->shaded = FALSE;
1278         client_shade(self, TRUE);
1279     }
1280     if (self->urgent)
1281         dispatch_client(Event_Client_Urgent, self, self->urgent, 0);
1282
1283     if (self->max_vert && self->max_horz) {
1284         self->max_vert = self->max_horz = FALSE;
1285         client_maximize(self, TRUE, 0, FALSE);
1286     } else if (self->max_vert) {
1287         self->max_vert = FALSE;
1288         client_maximize(self, TRUE, 2, FALSE);
1289     } else if (self->max_horz) {
1290         self->max_horz = FALSE;
1291         client_maximize(self, TRUE, 1, FALSE);
1292     }
1293
1294     /* nothing to do for the other states:
1295        skip_taskbar
1296        skip_pager
1297        modal
1298        above
1299        below
1300     */
1301 }
1302
1303 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
1304                       gboolean user, gboolean final)
1305 {
1306     gboolean moved = FALSE, resized = FALSE;
1307
1308     /* set the size and position if fullscreen */
1309     if (self->fullscreen) {
1310         x = 0;
1311         y = 0;
1312         w = screen_physical_size.width;
1313         h = screen_physical_size.height;
1314     } else {
1315         /* set the size and position if maximized */
1316         if (self->max_horz) {
1317             x = screen_area(self->desktop)->x - self->frame->size.left;
1318             w = screen_area(self->desktop)->x +
1319                 screen_area(self->desktop)->width;
1320         }
1321         if (self->max_vert) {
1322             y = screen_area(self->desktop)->y;
1323             h = screen_area(self->desktop)->y +
1324                 screen_area(self->desktop)->height -
1325                 self->frame->size.top - self->frame->size.bottom;
1326         }
1327     }
1328
1329     /* these override the above states! if you cant move you can't move! */
1330     if (user) {
1331         if (!(self->functions & Func_Move)) {
1332             x = self->area.x;
1333             y = self->area.y;
1334         }
1335         if (!(self->functions & Func_Resize)) {
1336             w = self->area.width;
1337             h = self->area.height;
1338         }
1339     }
1340
1341     if (!(w == self->area.width && h == self->area.height)) {
1342         w -= self->base_size.width;
1343         h -= self->base_size.height;
1344
1345         if (user) {
1346             /* for interactive resizing. have to move half an increment in each
1347                direction. */
1348
1349             /* how far we are towards the next size inc */
1350             int mw = w % self->size_inc.width;
1351             int mh = h % self->size_inc.height;
1352             /* amount to add */
1353             int aw = self->size_inc.width / 2;
1354             int ah = self->size_inc.height / 2;
1355             /* don't let us move into a new size increment */
1356             if (mw + aw >= self->size_inc.width)
1357                 aw = self->size_inc.width - mw - 1;
1358             if (mh + ah >= self->size_inc.height)
1359                 ah = self->size_inc.height - mh - 1;
1360             w += aw;
1361             h += ah;
1362
1363             /* if this is a user-requested resize, then check against min/max
1364                sizes and aspect ratios */
1365
1366             /* smaller than min size or bigger than max size? */
1367             if (w > self->max_size.width) w = self->max_size.width;
1368             if (w < self->min_size.width) w = self->min_size.width;
1369             if (h > self->max_size.height) h = self->max_size.height;
1370             if (h < self->min_size.height) h = self->min_size.height;
1371
1372             /* adjust the height ot match the width for the aspect ratios */
1373             if (self->min_ratio)
1374                 if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
1375             if (self->max_ratio)
1376                 if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
1377         }
1378
1379         /* keep to the increments */
1380         w /= self->size_inc.width;
1381         h /= self->size_inc.height;
1382
1383         /* you cannot resize to nothing */
1384         if (w < 1) w = 1;
1385         if (h < 1) h = 1;
1386
1387         /* store the logical size */
1388         SIZE_SET(self->logical_size, w, h);
1389
1390         w *= self->size_inc.width;
1391         h *= self->size_inc.height;
1392
1393         w += self->base_size.width;
1394         h += self->base_size.height;
1395     }
1396
1397     switch (anchor) {
1398     case Corner_TopLeft:
1399         break;
1400     case Corner_TopRight:
1401         x -= w - self->area.width;
1402         break;
1403     case Corner_BottomLeft:
1404         y -= h - self->area.height;
1405         break;
1406     case Corner_BottomRight:
1407         x -= w - self->area.width;
1408         y -= h - self->area.height;
1409         break;
1410     }
1411
1412     moved = x != self->area.x || y != self->area.y;
1413     resized = w != self->area.width || h != self->area.height;
1414
1415     RECT_SET(self->area, x, y, w, h);
1416
1417     if (resized)
1418         XResizeWindow(ob_display, self->window, w, h);
1419
1420     /* move/resize the frame to match the request */
1421     if (self->frame) {
1422         if (moved || resized)
1423             engine_frame_adjust_area(self->frame, moved, resized);
1424
1425         if (!user || final) {
1426             XEvent event;
1427             event.type = ConfigureNotify;
1428             event.xconfigure.display = ob_display;
1429             event.xconfigure.event = self->window;
1430             event.xconfigure.window = self->window;
1431
1432             /* root window coords with border in mind */
1433             event.xconfigure.x = x - self->border_width +
1434                 self->frame->size.left;
1435             event.xconfigure.y = y - self->border_width +
1436                 self->frame->size.top;
1437
1438             event.xconfigure.width = self->area.width;
1439             event.xconfigure.height = self->area.height;
1440             event.xconfigure.border_width = self->border_width;
1441             event.xconfigure.above = self->frame->plate;
1442             event.xconfigure.override_redirect = FALSE;
1443             XSendEvent(event.xconfigure.display, event.xconfigure.window,
1444                        FALSE, StructureNotifyMask, &event);
1445         }
1446     }
1447 }
1448
1449 void client_fullscreen(Client *self, gboolean fs, gboolean savearea)
1450 {
1451     int x, y, w, h;
1452
1453     if (!(self->functions & Func_Fullscreen) || /* can't */
1454         self->fullscreen == fs) return;         /* already done */
1455
1456     self->fullscreen = fs;
1457     client_change_state(self); /* change the state hints on the client */
1458
1459     if (fs) {
1460         /* save the functions and remove them */
1461         self->pre_fs_func = self->functions;
1462         self->functions &= (Func_Close | Func_Fullscreen |
1463                             Func_Iconify);
1464         /* save the decorations and remove them */
1465         self->pre_fs_decor = self->decorations;
1466         self->decorations = 0;
1467         if (savearea) {
1468             long dimensions[4];
1469             dimensions[0] = self->area.x;
1470             dimensions[1] = self->area.y;
1471             dimensions[2] = self->area.width;
1472             dimensions[3] = self->area.height;
1473
1474             PROP_SET32A(self->window, openbox_premax, cardinal,
1475                         dimensions, 4);
1476         }
1477
1478         /* these are not actually used cuz client_configure will set them
1479            as appropriate when the window is fullscreened */
1480         x = y = w = h = 0;
1481     } else {
1482         long *dimensions;
1483
1484         self->functions = self->pre_fs_func;
1485         self->decorations = self->pre_fs_decor;
1486
1487         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1488                         dimensions, 4)) {
1489             x = dimensions[0];
1490             y = dimensions[1];
1491             w = dimensions[2];
1492             h = dimensions[3];
1493             g_free(dimensions);
1494         } else {
1495             /* pick some fallbacks... */
1496             x = screen_area(self->desktop)->x +
1497                 screen_area(self->desktop)->width / 4;
1498             y = screen_area(self->desktop)->y +
1499                 screen_area(self->desktop)->height / 4;
1500             w = screen_area(self->desktop)->width / 2;
1501             h = screen_area(self->desktop)->height / 2;
1502         }
1503     }
1504
1505     client_change_allowed_actions(self); /* based on the new _functions */
1506
1507     /* when fullscreening, don't obey things like increments, fill the
1508        screen */
1509     client_configure(self, Corner_TopLeft, x, y, w, h, !fs, TRUE);
1510
1511     /* raise (back) into our stacking layer */
1512     stacking_raise(self);
1513
1514     /* try focus us when we go into fullscreen mode */
1515     client_focus(self);
1516 }
1517
1518 void client_iconify(Client *self, gboolean iconic, gboolean curdesk)
1519 {
1520     if (self->iconic == iconic) return; /* nothing to do */
1521
1522     g_message("%sconifying window: 0x%lx", (iconic ? "I" : "Uni"),
1523               self->window);
1524
1525     self->iconic = iconic;
1526
1527     if (iconic) {
1528         self->wmstate = IconicState;
1529         self->ignore_unmaps++;
1530         /* we unmap the client itself so that we can get MapRequest events,
1531            and because the ICCCM tells us to! */
1532         XUnmapWindow(ob_display, self->window);
1533     } else {
1534         if (curdesk)
1535             client_set_desktop(self, screen_desktop);
1536         self->wmstate = self->shaded ? IconicState : NormalState;
1537         XMapWindow(ob_display, self->window);
1538     }
1539     client_change_state(self);
1540     client_showhide(self);
1541     screen_update_struts();
1542
1543     dispatch_client(iconic ? Event_Client_Unmapped : Event_Client_Mapped,
1544                     self, 0, 0);
1545 }
1546
1547 void client_maximize(Client *self, gboolean max, int dir, gboolean savearea)
1548 {
1549     int x, y, w, h;
1550
1551     g_assert(dir == 0 || dir == 1 || dir == 2);
1552     if (!(self->functions & Func_Maximize)) return; /* can't */
1553
1554     /* check if already done */
1555     if (max) {
1556         if (dir == 0 && self->max_horz && self->max_vert) return;
1557         if (dir == 1 && self->max_horz) return;
1558         if (dir == 2 && self->max_vert) return;
1559     } else {
1560         if (dir == 0 && !self->max_horz && !self->max_vert) return;
1561         if (dir == 1 && !self->max_horz) return;
1562         if (dir == 2 && !self->max_vert) return;
1563     }
1564
1565     /* work with the frame's coords */
1566     x = self->frame->area.x;
1567     y = self->frame->area.y;
1568     w = self->area.width;
1569     h = self->area.height;
1570
1571     if (max) {
1572         if (savearea) {
1573             long dimensions[4];
1574             long *readdim;
1575
1576             dimensions[0] = x;
1577             dimensions[1] = y;
1578             dimensions[2] = w;
1579             dimensions[3] = h;
1580
1581             /* get the property off the window and use it for the dimensions
1582                we are already maxed on */
1583             if (PROP_GET32A(self->window, openbox_premax, cardinal,
1584                             readdim, 4)) {
1585                 if (self->max_horz) {
1586                     dimensions[0] = readdim[0];
1587                     dimensions[2] = readdim[2];
1588                 }
1589                 if (self->max_vert) {
1590                     dimensions[1] = readdim[1];
1591                     dimensions[3] = readdim[3];
1592                 }
1593                 g_free(readdim);
1594             }
1595
1596             PROP_SET32A(self->window, openbox_premax, cardinal,
1597                         dimensions, 4);
1598         }
1599
1600         /* pass the client's current position info. the client_configure
1601            will move/size stuff as appropriate for a maximized window */
1602         x = self->area.x;
1603         y = self->area.y;
1604         w = self->area.width;
1605         h = self->area.height;
1606     } else {
1607         long *dimensions;
1608
1609         if (PROP_GET32A(self->window, openbox_premax, cardinal,
1610                         dimensions, 4)) {
1611             if (dir == 0 || dir == 1) { /* horz */
1612                 x = dimensions[0];
1613                 w = dimensions[2];
1614             }
1615             if (dir == 0 || dir == 2) { /* vert */
1616                 y = dimensions[1];
1617                 h = dimensions[3];
1618             }
1619             g_free(dimensions);
1620         } else {
1621             /* pick some fallbacks... */
1622             if (dir == 0 || dir == 1) { /* horz */
1623                 x = screen_area(self->desktop)->x +
1624                     screen_area(self->desktop)->width / 4;
1625                 w = screen_area(self->desktop)->width / 2;
1626             }
1627             if (dir == 0 || dir == 2) { /* vert */
1628                 y = screen_area(self->desktop)->y +
1629                     screen_area(self->desktop)->height / 4;
1630                 h = screen_area(self->desktop)->height / 2;
1631             }
1632         }
1633     }
1634
1635     if (dir == 0 || dir == 1) /* horz */
1636         self->max_horz = max;
1637     if (dir == 0 || dir == 2) /* vert */
1638         self->max_vert = max;
1639
1640     if (!self->max_horz && !self->max_vert)
1641         PROP_ERASE(self->window, openbox_premax);
1642
1643     client_change_state(self); /* change the state hints on the client */
1644
1645     /* figure out where the client should be going */
1646     frame_frame_gravity(self->frame, &x, &y);
1647     client_configure(self, Corner_TopLeft, x, y, w, h, TRUE, TRUE);
1648 }
1649
1650 void client_shade(Client *self, gboolean shade)
1651 {
1652     if (!(self->functions & Func_Shade) || /* can't */
1653         self->shaded == shade) return;     /* already done */
1654
1655     /* when we're iconic, don't change the wmstate */
1656     if (!self->iconic)
1657         self->wmstate = shade ? IconicState : NormalState;
1658     self->shaded = shade;
1659     client_change_state(self);
1660     /* resize the frame to just the titlebar */
1661     engine_frame_adjust_area(self->frame, FALSE, FALSE);
1662 }
1663
1664 void client_close(Client *self)
1665 {
1666     XEvent ce;
1667
1668     if (!(self->functions & Func_Close)) return;
1669
1670     /*
1671       XXX: itd be cool to do timeouts and shit here for killing the client's
1672       process off
1673       like... if the window is around after 5 seconds, then the close button
1674       turns a nice red, and if this function is called again, the client is
1675       explicitly killed.
1676     */
1677
1678     ce.xclient.type = ClientMessage;
1679     ce.xclient.message_type =  prop_atoms.wm_protocols;
1680     ce.xclient.display = ob_display;
1681     ce.xclient.window = self->window;
1682     ce.xclient.format = 32;
1683     ce.xclient.data.l[0] = prop_atoms.wm_delete_window;
1684     ce.xclient.data.l[1] = event_lasttime;
1685     ce.xclient.data.l[2] = 0l;
1686     ce.xclient.data.l[3] = 0l;
1687     ce.xclient.data.l[4] = 0l;
1688     XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1689 }
1690
1691 void client_kill(Client *self)
1692 {
1693     XKillClient(ob_display, self->window);
1694 }
1695
1696 void client_set_desktop(Client *self, guint target)
1697 {
1698     guint old, i;
1699
1700     if (target == self->desktop) return;
1701
1702     g_message("Setting desktop %u\n", target);
1703
1704     g_assert(target < screen_num_desktops || target == DESKTOP_ALL);
1705
1706     old = self->desktop;
1707     self->desktop = target;
1708     PROP_SET32(self->window, net_wm_desktop, cardinal, target);
1709     /* the frame can display the current desktop state */
1710     engine_frame_adjust_state(self->frame);
1711     /* 'move' the window to the new desktop */
1712     client_showhide(self);
1713     screen_update_struts();
1714
1715     /* update the focus lists */
1716     if (old == DESKTOP_ALL) {
1717         for (i = 0; i < screen_num_desktops; ++i)
1718             focus_order[i] = g_list_remove(focus_order[i], self);
1719         focus_order[target] = g_list_prepend(focus_order[target], self);
1720     } else {
1721         focus_order[old] = g_list_remove(focus_order[old], self);
1722         if (target == DESKTOP_ALL)
1723             for (i = 0; i < screen_num_desktops; ++i)
1724                 focus_order[i] = g_list_prepend(focus_order[i], self);
1725     }
1726
1727     dispatch_client(Event_Client_Desktop, self, target, old);
1728 }
1729
1730 static Client *search_modal_tree(Client *node, Client *skip)
1731 {
1732     GSList *it;
1733     Client *ret;
1734
1735     for (it = node->transients; it != NULL; it = it->next) {
1736         Client *c = it->data;
1737         if (c == skip) continue; /* circular? */
1738         if ((ret = search_modal_tree(c, skip))) return ret;
1739         if (c->modal) return c;
1740     }
1741     return NULL;
1742 }
1743
1744 Client *client_find_modal_child(Client *self)
1745 {
1746     return search_modal_tree(self, self);
1747 }
1748
1749 gboolean client_validate(Client *self)
1750 {
1751     XEvent e;
1752
1753     XSync(ob_display, FALSE); /* get all events on the server */
1754
1755     if (XCheckTypedWindowEvent(ob_display, self->window, DestroyNotify, &e) ||
1756         XCheckTypedWindowEvent(ob_display, self->window, UnmapNotify, &e)) {
1757         XPutBackEvent(ob_display, &e);
1758         return FALSE;
1759     }
1760
1761     return TRUE;
1762 }
1763
1764 void client_set_wm_state(Client *self, long state)
1765 {
1766     if (state == self->wmstate) return; /* no change */
1767
1768     switch (state) {
1769     case IconicState:
1770         client_iconify(self, TRUE, TRUE);
1771         break;
1772     case NormalState:
1773         client_iconify(self, FALSE, TRUE);
1774         break;
1775     }
1776 }
1777
1778 void client_set_state(Client *self, Atom action, long data1, long data2)
1779 {
1780     gboolean shaded = self->shaded;
1781     gboolean fullscreen = self->fullscreen;
1782     gboolean max_horz = self->max_horz;
1783     gboolean max_vert = self->max_vert;
1784     int i;
1785
1786     if (!(action == prop_atoms.net_wm_state_add ||
1787           action == prop_atoms.net_wm_state_remove ||
1788           action == prop_atoms.net_wm_state_toggle))
1789         /* an invalid action was passed to the client message, ignore it */
1790         return;
1791
1792     for (i = 0; i < 2; ++i) {
1793         Atom state = i == 0 ? data1 : data2;
1794
1795         if (!state) continue;
1796
1797         /* if toggling, then pick whether we're adding or removing */
1798         if (action == prop_atoms.net_wm_state_toggle) {
1799             if (state == prop_atoms.net_wm_state_modal)
1800                 action = self->modal ? prop_atoms.net_wm_state_remove :
1801                     prop_atoms.net_wm_state_add;
1802             else if (state == prop_atoms.net_wm_state_maximized_vert)
1803                 action = self->max_vert ? prop_atoms.net_wm_state_remove :
1804                     prop_atoms.net_wm_state_add;
1805             else if (state == prop_atoms.net_wm_state_maximized_horz)
1806                 action = self->max_horz ? prop_atoms.net_wm_state_remove :
1807                     prop_atoms.net_wm_state_add;
1808             else if (state == prop_atoms.net_wm_state_shaded)
1809                 action = self->shaded ? prop_atoms.net_wm_state_remove :
1810                     prop_atoms.net_wm_state_add;
1811             else if (state == prop_atoms.net_wm_state_skip_taskbar)
1812                 action = self->skip_taskbar ?
1813                     prop_atoms.net_wm_state_remove :
1814                     prop_atoms.net_wm_state_add;
1815             else if (state == prop_atoms.net_wm_state_skip_pager)
1816                 action = self->skip_pager ?
1817                     prop_atoms.net_wm_state_remove :
1818                     prop_atoms.net_wm_state_add;
1819             else if (state == prop_atoms.net_wm_state_fullscreen)
1820                 action = self->fullscreen ?
1821                     prop_atoms.net_wm_state_remove :
1822                     prop_atoms.net_wm_state_add;
1823             else if (state == prop_atoms.net_wm_state_above)
1824                 action = self->above ? prop_atoms.net_wm_state_remove :
1825                     prop_atoms.net_wm_state_add;
1826             else if (state == prop_atoms.net_wm_state_below)
1827                 action = self->below ? prop_atoms.net_wm_state_remove :
1828                     prop_atoms.net_wm_state_add;
1829         }
1830
1831         if (action == prop_atoms.net_wm_state_add) {
1832             if (state == prop_atoms.net_wm_state_modal) {
1833                 /* XXX raise here or something? */
1834                 self->modal = TRUE;
1835             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1836                 max_vert = TRUE;
1837             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1838                 max_horz = TRUE;
1839             } else if (state == prop_atoms.net_wm_state_shaded) {
1840                 shaded = TRUE;
1841             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1842                 self->skip_taskbar = TRUE;
1843             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1844                 self->skip_pager = TRUE;
1845             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1846                 fullscreen = TRUE;
1847             } else if (state == prop_atoms.net_wm_state_above) {
1848                 self->above = TRUE;
1849             } else if (state == prop_atoms.net_wm_state_below) {
1850                 self->below = TRUE;
1851             }
1852
1853         } else { /* action == prop_atoms.net_wm_state_remove */
1854             if (state == prop_atoms.net_wm_state_modal) {
1855                 self->modal = FALSE;
1856             } else if (state == prop_atoms.net_wm_state_maximized_vert) {
1857                 max_vert = FALSE;
1858             } else if (state == prop_atoms.net_wm_state_maximized_horz) {
1859                 max_horz = FALSE;
1860             } else if (state == prop_atoms.net_wm_state_shaded) {
1861                 shaded = FALSE;
1862             } else if (state == prop_atoms.net_wm_state_skip_taskbar) {
1863                 self->skip_taskbar = FALSE;
1864             } else if (state == prop_atoms.net_wm_state_skip_pager) {
1865                 self->skip_pager = FALSE;
1866             } else if (state == prop_atoms.net_wm_state_fullscreen) {
1867                 fullscreen = FALSE;
1868             } else if (state == prop_atoms.net_wm_state_above) {
1869                 self->above = FALSE;
1870             } else if (state == prop_atoms.net_wm_state_below) {
1871                 self->below = FALSE;
1872             }
1873         }
1874     }
1875     if (max_horz != self->max_horz || max_vert != self->max_vert) {
1876         if (max_horz != self->max_horz && max_vert != self->max_vert) {
1877             /* toggling both */
1878             if (max_horz == max_vert) { /* both going the same way */
1879                 client_maximize(self, max_horz, 0, TRUE);
1880             } else {
1881                 client_maximize(self, max_horz, 1, TRUE);
1882                 client_maximize(self, max_vert, 2, TRUE);
1883             }
1884         } else {
1885             /* toggling one */
1886             if (max_horz != self->max_horz)
1887                 client_maximize(self, max_horz, 1, TRUE);
1888             else
1889                 client_maximize(self, max_vert, 2, TRUE);
1890         }
1891     }
1892     /* change fullscreen state before shading, as it will affect if the window
1893        can shade or not */
1894     if (fullscreen != self->fullscreen)
1895         client_fullscreen(self, fullscreen, TRUE);
1896     if (shaded != self->shaded)
1897         client_shade(self, shaded);
1898     client_calc_layer(self);
1899     client_change_state(self); /* change the hint to relect these changes */
1900 }
1901
1902 gboolean client_focus(Client *self)
1903 {
1904     XEvent ev;
1905     Client *child;
1906
1907     /* if we have a modal child, then focus it, not us */
1908     child = client_find_modal_child(self);
1909     if (child)
1910         return client_focus(child);
1911
1912     /* won't try focus if the client doesn't want it, or if the window isn't
1913        visible on the screen */
1914     if (!(self->frame->visible &&
1915           (self->can_focus || self->focus_notify)))
1916         return FALSE;
1917
1918     /* do a check to see if the window has already been unmapped or destroyed
1919        do this intelligently while watching out for unmaps we've generated
1920        (ignore_unmaps > 0) */
1921     if (XCheckTypedWindowEvent(ob_display, self->window,
1922                                DestroyNotify, &ev)) {
1923         XPutBackEvent(ob_display, &ev);
1924         return FALSE;
1925     }
1926     while (XCheckTypedWindowEvent(ob_display, self->window,
1927                                   UnmapNotify, &ev)) {
1928         if (self->ignore_unmaps) {
1929             self->ignore_unmaps--;
1930         } else {
1931             XPutBackEvent(ob_display, &ev);
1932             return FALSE;
1933         }
1934     }
1935
1936     if (self->can_focus)
1937         XSetInputFocus(ob_display, self->window, RevertToNone,
1938                        event_lasttime);
1939
1940     if (self->focus_notify) {
1941         XEvent ce;
1942         ce.xclient.type = ClientMessage;
1943         ce.xclient.message_type = prop_atoms.wm_protocols;
1944         ce.xclient.display = ob_display;
1945         ce.xclient.window = self->window;
1946         ce.xclient.format = 32;
1947         ce.xclient.data.l[0] = prop_atoms.wm_take_focus;
1948         ce.xclient.data.l[1] = event_lasttime;
1949         ce.xclient.data.l[2] = 0l;
1950         ce.xclient.data.l[3] = 0l;
1951         ce.xclient.data.l[4] = 0l;
1952         XSendEvent(ob_display, self->window, FALSE, NoEventMask, &ce);
1953     }
1954
1955     /* XSync(ob_display, FALSE); XXX Why sync? */
1956     return TRUE;
1957 }
1958
1959 void client_unfocus(Client *self)
1960 {
1961     g_assert(focus_client == self);
1962     client_set_focused(self, FALSE);
1963 }
1964
1965 gboolean client_focused(Client *self)
1966 {
1967     return self == focus_client;
1968 }
1969
1970 void client_set_focused(Client *self, gboolean focused)
1971 {
1972     if (focused) {
1973         if (focus_client != self)
1974             focus_set_client(self);
1975     } else {
1976         event_unfocustime = event_lasttime;
1977         if (focus_client == self)
1978             focus_set_client(NULL);
1979     }
1980
1981     /* focus state can affect the stacking layer */
1982     client_calc_layer(self);
1983
1984     engine_frame_adjust_focus(self->frame);
1985 }
1986
1987 Icon *client_icon(Client *self, int w, int h)
1988 {
1989     int i;
1990     /* si is the smallest image >= req */
1991     /* li is the largest image < req */
1992     unsigned long size, smallest = 0xffffffff, largest = 0, si = 0, li = 0;
1993
1994     if (!self->nicons) return NULL;
1995
1996     for (i = 0; i < self->nicons; ++i) {
1997         size = self->icons[i].width * self->icons[i].height;
1998         if (size < smallest && size >= (unsigned)(w * h)) {
1999             smallest = size;
2000             si = i;
2001         }
2002         if (size > largest && size <= (unsigned)(w * h)) {
2003             largest = size;
2004             li = i;
2005         }
2006     }
2007     if (largest == 0) /* didnt find one smaller than the requested size */
2008         return &self->icons[si];
2009     return &self->icons[li];
2010 }