event.c

   1 /*
   2  * event.c - event handlers
   3  *
   4  * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <xcb/xcb.h>
  23 #include <xcb/xcb_atom.h>
  24 #include <xcb/randr.h>
  25 #include <xcb/xcb_icccm.h>
  26
  27 #include "event.h"
  28 #include "tag.h"
  29 #include "window.h"
  30 #include "ewmh.h"
  31 #include "client.h"
  32 #include "widget.h"
  33 #include "titlebar.h"
  34 #include "keybinding.h"
  35 #include "keygrabber.h"
  36 #include "lua.h"
  37 #include "systray.h"
  38 #include "layouts/floating.h"
  39 #include "common/atoms.h"
  40
  41 extern awesome_t globalconf;
  42
  43 /** Handle mouse button press.
  44  * \param c The client on which the event happened or NULL.
  45  * \param button Button number
  46  * \param state Modkeys state
  47  * \param buttons Buttons list to check for
  48  */
  49 static void
  50 event_handle_mouse_button_press(client_t *c,
  51                                 unsigned int button,
  52                                 unsigned int state,
  53                                 button_t *buttons)
  54 {
  55     button_t *b;
  56
  57     for(b = buttons; b; b = b->next)
  58         if(button == b->button && XUTIL_MASK_CLEAN(state) == b->mod && b->fct)
  59         {
  60             if(c)
  61             {
  62                 luaA_client_userdata_new(globalconf.L, c);
  63                 luaA_dofunction(globalconf.L, b->fct, 1, 0);
  64             }
  65             else
  66                 luaA_dofunction(globalconf.L, b->fct, 0, 0);
  67         }
  68 }
  69
  70 /** The button press event handler.
  71  * \param data currently unused.
  72  * \param connection The connection to the X server.
  73  * \param ev The event.
  74  */
  75 static int
  76 event_handle_buttonpress(void *data __attribute__ ((unused)),
  77                          xcb_connection_t *connection, xcb_button_press_event_t *ev)
  78 {
  79     int screen, tmp;
  80     const int nb_screen = xcb_setup_roots_length(xcb_get_setup(connection));
  81     client_t *c;
  82     widget_node_t *w;
  83     statusbar_t *statusbar;
  84
  85     for(screen = 0; screen < globalconf.screens_info->nscreen; screen++)
  86         for(statusbar = globalconf.screens[screen].statusbar; statusbar; statusbar = statusbar->next)
  87             if(statusbar->sw
  88                && (statusbar->sw->window == ev->event || statusbar->sw->window == ev->child))
  89             {
  90                 /* If the statusbar is child, then x,y are
  91                  * relative to root window */
  92                 if(statusbar->sw->window == ev->child)
  93                 {
  94                     ev->event_x -= statusbar->sw->geometry.x;
  95                     ev->event_y -= statusbar->sw->geometry.y;
  96                 }
  97                 /* Need to transform coordinates like it was
  98                  * top/bottom */
  99                 switch(statusbar->position)
 100                 {
 101                   case Right:
 102                     tmp = ev->event_y;
 103                     ev->event_y = statusbar->height - ev->event_x;
 104                     ev->event_x = tmp;
 105                     break;
 106                   case Left:
 107                     tmp = ev->event_y;
 108                     ev->event_y = ev->event_x;
 109                     ev->event_x = statusbar->width - tmp;
 110                     break;
 111                   default:
 112                     break;
 113                 }
 114                 for(w = statusbar->widgets; w; w = w->next)
 115                     if(ev->event_x >= w->area.x && ev->event_x < w->area.x + w->area.width
 116                        && ev->event_y >= w->area.y && ev->event_y < w->area.y + w->area.height)
 117                     {
 118                         w->widget->button_press(w, ev, statusbar->screen,
 119                                                 statusbar, AWESOME_TYPE_STATUSBAR);
 120                         return 0;
 121                     }
 122                 /* return if no widget match */
 123                 return 0;
 124             }
 125
 126     if((c = client_getbytitlebarwin(ev->event)))
 127     {
 128         /* Need to transform coordinates like it was
 129          * top/bottom */
 130         switch(c->titlebar->position)
 131         {
 132           case Right:
 133             tmp = ev->event_y;
 134             ev->event_y = c->titlebar->height - ev->event_x;
 135             ev->event_x = tmp;
 136             break;
 137           case Left:
 138             tmp = ev->event_y;
 139             ev->event_y = ev->event_x;
 140             ev->event_x = c->titlebar->width - tmp;
 141             break;
 142           default:
 143             break;
 144         }
 145         for(w = c->titlebar->widgets; w; w = w->next)
 146             if(ev->event_x >= w->area.x && ev->event_x < w->area.x + w->area.width
 147                && ev->event_y >= w->area.y && ev->event_y < w->area.y + w->area.height)
 148             {
 149                 w->widget->button_press(w, ev, c->screen,
 150                                         c->titlebar, AWESOME_TYPE_TITLEBAR);
 151                 return 0;
 152             }
 153         /* return if no widget match */
 154         return 0;
 155     }
 156
 157     if((c = client_getbywin(ev->event)))
 158     {
 159         event_handle_mouse_button_press(c, ev->detail, ev->state, c->buttons);
 160         xcb_allow_events(globalconf.connection, XCB_ALLOW_REPLAY_POINTER, XCB_CURRENT_TIME);
 161     }
 162     else
 163         for(screen = 0; screen < nb_screen; screen++)
 164             if(xutil_screen_get(connection, screen)->root == ev->event)
 165             {
 166                 event_handle_mouse_button_press(NULL, ev->detail, ev->state,
 167                                                 globalconf.buttons.root);
 168                 return 0;
 169             }
 170
 171     return 0;
 172 }
 173
 174 /** The configure event handler.
 175  * \param data currently unused.
 176  * \param connection The connection to the X server.
 177  * \param ev The event.
 178  */
 179 static int
 180 event_handle_configurerequest(void *data __attribute__ ((unused)),
 181                               xcb_connection_t *connection, xcb_configure_request_event_t *ev)
 182 {
 183     client_t *c;
 184     area_t geometry;
 185
 186     if((c = client_getbywin(ev->window)))
 187     {
 188         geometry = c->geometry;
 189
 190         if(ev->value_mask & XCB_CONFIG_WINDOW_X)
 191             geometry.x = ev->x;
 192         if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
 193             geometry.y = ev->y;
 194         if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
 195             geometry.width = ev->width;
 196         if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
 197             geometry.height = ev->height;
 198
 199         if(geometry.x != c->geometry.x || geometry.y != c->geometry.y
 200            || geometry.width != c->geometry.width || geometry.height != c->geometry.height)
 201         {
 202             if(c->isfloating || layout_get_current(c->screen) == layout_floating)
 203             {
 204                 client_resize(c, geometry, false);
 205                 titlebar_draw(c);
 206             }
 207             else
 208             {
 209                 globalconf.screens[c->screen].need_arrange = true;
 210                 /* If we do not resize the client, at least tell it that it
 211                  * has its new configuration. That fixes at least
 212                  * gnome-terminal */
 213                 window_configure(c->win, c->geometry, c->border);
 214             }
 215         }
 216         else
 217         {
 218             titlebar_update_geometry_floating(c);
 219             window_configure(c->win, geometry, c->border);
 220         }
 221     }
 222     else
 223     {
 224         uint16_t config_win_mask = 0;
 225         uint32_t config_win_vals[7];
 226         unsigned short i = 0;
 227
 228         if(ev->value_mask & XCB_CONFIG_WINDOW_X)
 229         {
 230             config_win_mask |= XCB_CONFIG_WINDOW_X;
 231             config_win_vals[i++] = ev->x;
 232         }
 233         if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
 234         {
 235             config_win_mask |= XCB_CONFIG_WINDOW_Y;
 236             config_win_vals[i++] = ev->y;
 237         }
 238         if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
 239         {
 240             config_win_mask |= XCB_CONFIG_WINDOW_WIDTH;
 241             config_win_vals[i++] = ev->width;
 242         }
 243         if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
 244         {
 245             config_win_mask |= XCB_CONFIG_WINDOW_HEIGHT;
 246             config_win_vals[i++] = ev->height;
 247         }
 248         if(ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
 249         {
 250             config_win_mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
 251             config_win_vals[i++] = ev->border_width;
 252         }
 253         if(ev->value_mask & XCB_CONFIG_WINDOW_SIBLING)
 254         {
 255             config_win_mask |= XCB_CONFIG_WINDOW_SIBLING;
 256             config_win_vals[i++] = ev->sibling;
 257         }
 258         if(ev->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
 259         {
 260             config_win_mask |= XCB_CONFIG_WINDOW_STACK_MODE;
 261             config_win_vals[i++] = ev->stack_mode;
 262         }
 263
 264         xcb_configure_window(connection, ev->window, config_win_mask, config_win_vals);
 265     }
 266
 267     return 0;
 268 }
 269
 270 /** The configure notify event handler.
 271  * \param data currently unused.
 272  * \param connection The connection to the X server.
 273  * \param ev The event.
 274  */
 275 static int
 276 event_handle_configurenotify(void *data __attribute__ ((unused)),
 277                              xcb_connection_t *connection, xcb_configure_notify_event_t *ev)
 278 {
 279     int screen_nbr;
 280     const xcb_screen_t *screen;
 281
 282     for(screen_nbr = 0; screen_nbr < xcb_setup_roots_length(xcb_get_setup (connection)); screen_nbr++)
 283         if((screen = xutil_screen_get(connection, screen_nbr)) != NULL
 284            && ev->window == screen->root
 285            && (ev->width != screen->width_in_pixels
 286                || ev->height != screen->height_in_pixels))
 287             /* it's not that we panic, but restart */
 288             ewmh_restart();
 289
 290     return 0;
 291 }
 292
 293 /** The destroy notify event handler.
 294  * \param data currently unused.
 295  * \param connection The connection to the X server.
 296  * \param ev The event.
 297  */
 298 static int
 299 event_handle_destroynotify(void *data __attribute__ ((unused)),
 300                            xcb_connection_t *connection __attribute__ ((unused)),
 301                            xcb_destroy_notify_event_t *ev)
 302 {
 303     client_t *c;
 304     xembed_window_t *emwin;
 305     int i;
 306
 307     if((c = client_getbywin(ev->window)))
 308         client_unmanage(c);
 309     else if((emwin = xembed_getbywin(globalconf.embedded, ev->event)))
 310     {
 311         xembed_window_list_detach(&globalconf.embedded, emwin);
 312         for(i = 0; i < globalconf.screens_info->nscreen; i++)
 313             widget_invalidate_cache(i, WIDGET_CACHE_EMBEDDED);
 314     }
 315
 316     return 0;
 317 }
 318
 319 /** The enter notify event handler.
 320  * \param data currently unused.
 321  * \param connection The connection to the X server.
 322  * \param ev The event.
 323  */
 324 static int
 325 event_handle_enternotify(void *data __attribute__ ((unused)),
 326                          xcb_connection_t *connection,
 327                          xcb_enter_notify_event_t *ev)
 328 {
 329     client_t *c;
 330     xembed_window_t *emwin;
 331
 332     if(ev->mode != XCB_NOTIFY_MODE_NORMAL
 333        || (ev->root_x == globalconf.pointer_x
 334            && ev->root_y == globalconf.pointer_y))
 335         return 0;
 336
 337     if((c = client_getbytitlebarwin(ev->event))
 338        || (c = client_getbywin(ev->event)))
 339     {
 340         window_grabbuttons(c->win, ev->root, c->buttons);
 341         /* The idea behind saving pointer_x and pointer_y is Bob Marley powered.
 342          * this will allow us top drop some EnterNotify events and thus not giving
 343          * focus to windows appering under the cursor without a cursor move */
 344         globalconf.pointer_x = ev->root_x;
 345         globalconf.pointer_y = ev->root_y;
 346
 347         luaA_client_userdata_new(globalconf.L, c);
 348         luaA_dofunction(globalconf.L, globalconf.hooks.mouseover, 1, 0);
 349     }
 350     else if((emwin = xembed_getbywin(globalconf.embedded, ev->event)))
 351         xcb_ungrab_button(globalconf.connection, XCB_BUTTON_INDEX_ANY,
 352                           xutil_screen_get(connection, emwin->phys_screen)->root,
 353                           XUTIL_ANY_MODIFIER);
 354     else
 355         window_root_grabbuttons(ev->root);
 356
 357     return 0;
 358 }
 359
 360 /** The expose event handler.
 361  * \param data currently unused.
 362  * \param connection The connection to the X server.
 363  * \param ev The event.
 364  */
 365 static int
 366 event_handle_expose(void *data __attribute__ ((unused)),
 367                     xcb_connection_t *connection __attribute__ ((unused)),
 368                     xcb_expose_event_t *ev)
 369 {
 370     int screen;
 371     statusbar_t *statusbar;
 372     client_t *c;
 373
 374     if(!ev->count)
 375     {
 376         for(screen = 0; screen < globalconf.screens_info->nscreen; screen++)
 377             for(statusbar = globalconf.screens[screen].statusbar; statusbar; statusbar = statusbar->next)
 378                 if(statusbar->sw
 379                    && statusbar->sw->window == ev->window)
 380                 {
 381                     simplewindow_refresh_pixmap(statusbar->sw);
 382                     return 0;
 383                 }
 384
 385         if((c = client_getbytitlebarwin(ev->window)))
 386            simplewindow_refresh_pixmap(c->titlebar->sw);
 387     }
 388
 389     return 0;
 390 }
 391
 392 /** The key press event handler.
 393  * \param data currently unused.
 394  * \param connection The connection to the X server.
 395  * \param ev The event.
 396  */
 397 static int
 398 event_handle_keypress(void *data __attribute__ ((unused)),
 399                       xcb_connection_t *connection __attribute__ ((unused)),
 400                       xcb_key_press_event_t *ev)
 401 {
 402     if(globalconf.keygrabber != LUA_REFNIL)
 403     {
 404         lua_rawgeti(globalconf.L, LUA_REGISTRYINDEX, globalconf.keygrabber);
 405         if(keygrabber_handlekpress(globalconf.L, ev))
 406         {
 407             if(lua_pcall(globalconf.L, 2, 1, 0))
 408             {
 409                 warn("error running function: %s", lua_tostring(globalconf.L, -1));
 410                 keygrabber_ungrab();
 411             }
 412             else if(!lua_isboolean(globalconf.L, -1) || !lua_toboolean(globalconf.L, -1))
 413                 keygrabber_ungrab();
 414         }
 415         lua_pop(globalconf.L, 1);  /* pop returned value or function if not called */
 416     }
 417     else
 418     {
 419         keybinding_t *k = keybinding_find(ev);
 420         if (k && k->fct != LUA_REFNIL)
 421             luaA_dofunction(globalconf.L, k->fct, 0, 0);
 422     }
 423
 424     return 0;
 425 }
 426
 427 /** The map request event handler.
 428  * \param data currently unused.
 429  * \param connection The connection to the X server.
 430  * \param ev The event.
 431  */
 432 static int
 433 event_handle_maprequest(void *data __attribute__ ((unused)),
 434                         xcb_connection_t *connection, xcb_map_request_event_t *ev)
 435 {
 436     int screen_nbr = 0, ret = 0;
 437     client_t *c;
 438     xcb_get_window_attributes_cookie_t wa_c;
 439     xcb_get_window_attributes_reply_t *wa_r;
 440     xcb_query_pointer_cookie_t qp_c = { 0 };
 441     xcb_query_pointer_reply_t *qp_r = NULL;
 442     xcb_get_geometry_cookie_t geom_c;
 443     xcb_get_geometry_reply_t *geom_r;
 444     xcb_screen_iterator_t iter;
 445
 446     wa_c = xcb_get_window_attributes_unchecked(connection, ev->window);
 447
 448     if(!(wa_r = xcb_get_window_attributes_reply(connection, wa_c, NULL)))
 449         return -1;
 450
 451     if(wa_r->override_redirect)
 452         goto bailout;
 453
 454     if(xembed_getbywin(globalconf.embedded, ev->window))
 455     {
 456         xcb_map_window(connection, ev->window);
 457         xembed_window_activate(connection, ev->window);
 458     }
 459     else if((c = client_getbywin(ev->window)))
 460     {
 461         if(client_maybevisible(c, c->screen))
 462         {
 463             c->ishidden = false;
 464             globalconf.screens[c->screen].need_arrange = true;
 465             xcb_map_window(globalconf.connection, ev->window);
 466             /* it will be raised, so just update ourself */
 467             client_raise(c);
 468         }
 469     }
 470     else
 471     {
 472         geom_c = xcb_get_geometry_unchecked(connection, ev->window);
 473
 474         if(globalconf.screens_info->xinerama_is_active)
 475             qp_c = xcb_query_pointer_unchecked(connection, xutil_screen_get(globalconf.connection,
 476                                                                             screen_nbr)->root);
 477
 478         if(!(geom_r = xcb_get_geometry_reply(connection, geom_c, NULL)))
 479         {
 480             if(globalconf.screens_info->xinerama_is_active)
 481             {
 482                 qp_r = xcb_query_pointer_reply(connection, qp_c, NULL);
 483                 p_delete(&qp_r);
 484             }
 485             ret = -1;
 486             goto bailout;
 487         }
 488
 489         if(globalconf.screens_info->xinerama_is_active
 490            && (qp_r = xcb_query_pointer_reply(connection, qp_c, NULL)))
 491         {
 492             screen_nbr = screen_get_bycoord(globalconf.screens_info, screen_nbr,
 493                                             qp_r->root_x, qp_r->root_y);
 494             p_delete(&qp_r);
 495         }
 496         else
 497             for(iter = xcb_setup_roots_iterator(xcb_get_setup(connection)), screen_nbr = 0;
 498                 iter.rem && iter.data->root != geom_r->root; xcb_screen_next (&iter), ++screen_nbr);
 499
 500         client_manage(ev->window, geom_r, screen_nbr);
 501         p_delete(&geom_r);
 502     }
 503
 504 bailout:
 505     p_delete(&wa_r);
 506     return ret;
 507 }
 508
 509 /** The property notify event handler.
 510  * \param data currently unused.
 511  * \param connection The connection to the X server.
 512  * \param ev The event.
 513  */
 514 static int
 515 event_handle_propertynotify(void *data __attribute__ ((unused)),
 516                             xcb_connection_t *connection, xcb_property_notify_event_t *ev)
 517 {
 518     client_t *c;
 519     xcb_window_t trans;
 520     xembed_window_t *emwin;
 521
 522     if(ev->state == XCB_PROPERTY_DELETE)
 523         return 0; /* ignore */
 524     else if((emwin = xembed_getbywin(globalconf.embedded, ev->window)))
 525         xembed_property_update(connection, emwin);
 526     else if((c = client_getbywin(ev->window)))
 527     {
 528         if(ev->atom == WM_TRANSIENT_FOR)
 529         {
 530             xcb_get_wm_transient_for(connection, c->win, &trans);
 531             if(!c->isfloating
 532                && (c->isfloating = (client_getbywin(trans) != NULL)))
 533                 globalconf.screens[c->screen].need_arrange = true;
 534         }
 535         else if (ev->atom == WM_NORMAL_HINTS)
 536             xcb_free_size_hints(client_updatesizehints(c));
 537         else if (ev->atom == WM_HINTS)
 538             client_updatewmhints(c);
 539         else if(ev->atom == WM_NAME || ev->atom == _NET_WM_NAME)
 540             client_updatetitle(c);
 541         else if(ev->atom == _NET_WM_ICON)
 542         {
 543             netwm_icon_delete(&c->icon);
 544             c->icon = ewmh_window_icon_get(c->win);
 545             widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
 546         }
 547     }
 548
 549     return 0;
 550 }
 551
 552 /** The unmap notify event handler.
 553  * \param data currently unused.
 554  * \param connection The connection to the X server.
 555  * \param ev The event.
 556  */
 557 static int
 558 event_handle_unmapnotify(void *data __attribute__ ((unused)),
 559                          xcb_connection_t *connection, xcb_unmap_notify_event_t *ev)
 560 {
 561     client_t *c;
 562     xembed_window_t *em;
 563     int i;
 564
 565     /* event->send_event (Xlib)  is quivalent to  (ev->response_type &
 566      * 0x80)  in XCB  because the  SendEvent bit  is available  in the
 567      * response_type field */
 568     bool send_event = ((ev->response_type & 0x80) >> 7);
 569
 570     if((c = client_getbywin(ev->window)))
 571     {
 572         if(ev->event == xutil_screen_get(connection, c->phys_screen)->root
 573            && send_event
 574            && window_getstate(c->win) == XCB_WM_NORMAL_STATE)
 575             client_unmanage(c);
 576     }
 577     else if((em = xembed_getbywin(globalconf.embedded, ev->window)))
 578     {
 579         xembed_window_list_detach(&globalconf.embedded, em);
 580         for(i = 0; i < globalconf.screens_info->nscreen; i++)
 581             widget_invalidate_cache(i, WIDGET_CACHE_EMBEDDED);
 582     }
 583
 584     return 0;
 585 }
 586
 587 /** The randr screen change notify event handler.
 588  * \param data currently unused.
 589  * \param connection The connection to the X server.
 590  * \param ev The event.
 591  */
 592 static int
 593 event_handle_randr_screen_change_notify(void *data __attribute__ ((unused)),
 594                                         xcb_connection_t *connection __attribute__ ((unused)),
 595                                         xcb_randr_screen_change_notify_event_t *ev)
 596 {
 597     if(!globalconf.have_randr)
 598         return -1;
 599
 600     /* Code  of  XRRUpdateConfiguration Xlib  function  ported to  XCB
 601      * (only the code relevant  to RRScreenChangeNotify) as the latter
 602      * doesn't provide this kind of function */
 603     if(ev->rotation & (XCB_RANDR_ROTATION_ROTATE_90 | XCB_RANDR_ROTATION_ROTATE_270))
 604         xcb_randr_set_screen_size(connection, ev->root, ev->height, ev->width,
 605                                   ev->mheight, ev->mwidth);
 606     else
 607         xcb_randr_set_screen_size(connection, ev->root, ev->width, ev->height,
 608                                   ev->mwidth, ev->mheight);
 609
 610     /* XRRUpdateConfiguration also executes the following instruction
 611      * but it's not useful because SubpixelOrder is not used at all at
 612      * the moment
 613      *
 614      * XRenderSetSubpixelOrder(dpy, snum, scevent->subpixel_order);
 615      */
 616
 617     ewmh_restart();
 618
 619     return 0;
 620 }
 621
 622 /** The client message event handler.
 623  * \param data currently unused.
 624  * \param connection The connection to the X server.
 625  * \param ev The event.
 626  */
 627 static int
 628 event_handle_clientmessage(void *data __attribute__ ((unused)),
 629                            xcb_connection_t *connection,
 630                            xcb_client_message_event_t *ev)
 631 {
 632     client_t *c;
 633
 634     if(ev->type == WM_CHANGE_STATE)
 635     {
 636         if((c = client_getbywin(ev->window))
 637            && ev->format == 32
 638            && ev->data.data32[0] == XCB_WM_ICONIC_STATE)
 639         {
 640             c->ishidden = true;
 641             globalconf.screens[c->screen].need_arrange = true;
 642         }
 643     }
 644     else if(ev->type == _XEMBED)
 645         return xembed_process_client_message(ev);
 646     else if(ev->type == _NET_SYSTEM_TRAY_OPCODE)
 647         return systray_process_client_message(ev);
 648     return ewmh_process_client_message(ev);
 649 }
 650
 651 void a_xcb_set_event_handlers(void)
 652 {
 653     const xcb_query_extension_reply_t *randr_query;
 654
 655     set_button_press_event_handler(globalconf.evenths, event_handle_buttonpress, NULL);
 656     set_configure_request_event_handler(globalconf.evenths, event_handle_configurerequest, NULL);
 657     set_configure_notify_event_handler(globalconf.evenths, event_handle_configurenotify, NULL);
 658     set_destroy_notify_event_handler(globalconf.evenths, event_handle_destroynotify, NULL);
 659     set_enter_notify_event_handler(globalconf.evenths, event_handle_enternotify, NULL);
 660     set_expose_event_handler(globalconf.evenths, event_handle_expose, NULL);
 661     set_key_press_event_handler(globalconf.evenths, event_handle_keypress, NULL);
 662     set_map_request_event_handler(globalconf.evenths, event_handle_maprequest, NULL);
 663     set_property_notify_event_handler(globalconf.evenths, event_handle_propertynotify, NULL);
 664     set_unmap_notify_event_handler(globalconf.evenths, event_handle_unmapnotify, NULL);
 665     set_client_message_event_handler(globalconf.evenths, event_handle_clientmessage, NULL);
 666
 667     /* check for randr extension */
 668     randr_query = xcb_get_extension_data(globalconf.connection, &xcb_randr_id);
 669     if((globalconf.have_randr = randr_query->present))
 670         xcb_set_event_handler(globalconf.evenths,
 671                               (randr_query->first_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY),
 672                               (xcb_generic_event_handler_t) event_handle_randr_screen_change_notify,
 673                               NULL);
 674
 675 }
 676
 677 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80