2 * event.c - event handlers
4 * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
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.
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.
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.
23 #include <xcb/randr.h>
24 #include <xcb/xcb_atom.h>
25 #include <xcb/xcb_icccm.h>
26 #include <xcb/xcb_event.h>
31 #include "objects/tag.h"
32 #include "objects/drawin.h"
35 #include "objects/client.h"
36 #include "keyresolv.h"
37 #include "keygrabber.h"
38 #include "mousegrabber.h"
42 #include "common/atoms.h"
43 #include "common/xutil.h"
45 #define DO_EVENT_HOOK_CALLBACK(type, xcbtype, xcbeventprefix, arraytype, match) \
47 event_##xcbtype##_callback(xcb_##xcbtype##_press_event_t *ev, \
53 int abs_oud = oud < 0 ? ((lua_gettop(globalconf.L) + 1) + oud) : oud; \
54 int item_matching = 0; \
56 if(match(ev, *item, data)) \
59 luaA_object_push_item(globalconf.L, abs_oud, *item); \
61 luaA_object_push(globalconf.L, *item); \
64 for(; item_matching > 0; item_matching--) \
66 switch(ev->response_type) \
68 case xcbeventprefix##_PRESS: \
69 for(int i = 0; i < nargs; i++) \
70 lua_pushvalue(globalconf.L, - nargs - item_matching); \
71 luaA_object_emit_signal(globalconf.L, - nargs - 1, "press", nargs); \
73 case xcbeventprefix##_RELEASE: \
74 for(int i = 0; i < nargs; i++) \
75 lua_pushvalue(globalconf.L, - nargs - item_matching); \
76 luaA_object_emit_signal(globalconf.L, - nargs - 1, "release", nargs); \
79 lua_pop(globalconf.L, 1); \
81 lua_pop(globalconf.L, nargs); \
85 event_key_match(xcb_key_press_event_t
*ev
, keyb_t
*k
, void *data
)
88 xcb_keysym_t keysym
= *(xcb_keysym_t
*) data
;
89 return (((k
->keycode
&& ev
->detail
== k
->keycode
)
90 || (k
->keysym
&& keysym
== k
->keysym
))
91 && (k
->modifiers
== XCB_BUTTON_MASK_ANY
|| k
->modifiers
== ev
->state
));
95 event_button_match(xcb_button_press_event_t
*ev
, button_t
*b
, void *data
)
97 return ((!b
->button
|| ev
->detail
== b
->button
)
98 && (b
->modifiers
== XCB_BUTTON_MASK_ANY
|| b
->modifiers
== ev
->state
));
101 DO_EVENT_HOOK_CALLBACK(button_t
, button
, XCB_BUTTON
, button_array_t
, event_button_match
)
102 DO_EVENT_HOOK_CALLBACK(keyb_t
, key
, XCB_KEY
, key_array_t
, event_key_match
)
104 /** Handle an event with mouse grabber if needed
105 * \param x The x coordinate.
106 * \param y The y coordinate.
107 * \param mask The mask buttons.
108 * \return True if the event was handled.
111 event_handle_mousegrabber(int x
, int y
, uint16_t mask
)
113 if(globalconf
.mousegrabber
!= LUA_REFNIL
)
115 lua_rawgeti(globalconf
.L
, LUA_REGISTRYINDEX
, globalconf
.mousegrabber
);
116 mousegrabber_handleevent(globalconf
.L
, x
, y
, mask
);
117 if(lua_pcall(globalconf
.L
, 1, 1, 0))
119 warn("error running function: %s", lua_tostring(globalconf
.L
, -1));
120 luaA_mousegrabber_stop(globalconf
.L
);
122 else if(!lua_isboolean(globalconf
.L
, -1) || !lua_toboolean(globalconf
.L
, -1))
123 luaA_mousegrabber_stop(globalconf
.L
);
124 lua_pop(globalconf
.L
, 1); /* pop returned value */
130 /** Emit a button signal.
131 * The top of the lua stack has to be the object on which to emit the event.
132 * \param ev The event to handle.
135 event_emit_button(xcb_button_press_event_t
*ev
)
138 switch(XCB_EVENT_RESPONSE_TYPE(ev
))
140 case XCB_BUTTON_PRESS
:
141 name
= "button::press";
143 case XCB_BUTTON_RELEASE
:
144 name
= "button::release";
147 fatal("Invalid event type");
150 /* Push the event's info */
151 lua_pushnumber(globalconf
.L
, ev
->event_x
);
152 lua_pushnumber(globalconf
.L
, ev
->event_y
);
153 lua_pushnumber(globalconf
.L
, ev
->detail
);
154 luaA_pushmodifiers(globalconf
.L
, ev
->state
);
155 /* And emit the signal */
156 luaA_object_emit_signal(globalconf
.L
, -5, name
, 4);
159 /** The button press event handler.
160 * \param ev The event.
163 event_handle_button(xcb_button_press_event_t
*ev
)
168 globalconf
.timestamp
= ev
->time
;
170 if(event_handle_mousegrabber(ev
->root_x
, ev
->root_y
, 1 << (ev
->detail
- 1 + 8)))
174 * button status (8 bits) + modifiers status (8 bits)
175 * we don't care for button status that we get, especially on release, so
179 if((drawin
= drawin_getbywin(ev
->event
))
180 || (drawin
= drawin_getbywin(ev
->child
)))
182 /* If the drawin is child, then x,y are
183 * relative to root window */
184 if(drawin
->window
== ev
->child
)
186 ev
->event_x
-= drawin
->geometry
.x
+ drawin
->border_width
;
187 ev
->event_y
-= drawin
->geometry
.y
+ drawin
->border_width
;
190 /* Push the drawable */
191 luaA_object_push(globalconf
.L
, drawin
);
192 luaA_object_push_item(globalconf
.L
, -1, drawin
->drawable
);
193 /* and handle the button raw button event */
194 event_emit_button(ev
);
195 lua_pop(globalconf
.L
, 1);
196 /* check if any button object matches */
197 event_button_callback(ev
, &drawin
->buttons
, -1, 1, NULL
);
199 else if((c
= client_getbyframewin(ev
->event
)))
201 luaA_object_push(globalconf
.L
, c
);
202 /* And handle the button raw button event */
203 event_emit_button(ev
);
204 /* then check if a titlebar was "hit" */
205 int x
= ev
->event_x
, y
= ev
->event_y
;
206 drawable_t
*d
= client_get_drawable_offset(c
, &x
, &y
);
209 /* Copy the event so that we can fake x/y */
210 xcb_button_press_event_t event
= *ev
;
213 luaA_object_push_item(globalconf
.L
, -1, d
);
214 event_emit_button(&event
);
215 lua_pop(globalconf
.L
, 1);
217 /* then check if any button objects match */
218 event_button_callback(ev
, &c
->buttons
, -1, 1, NULL
);
219 xcb_allow_events(globalconf
.connection
,
220 XCB_ALLOW_REPLAY_POINTER
,
223 else if(ev
->child
== XCB_NONE
)
224 if(globalconf
.screen
->root
== ev
->event
)
226 event_button_callback(ev
, &globalconf
.buttons
, 0, 0, NULL
);
232 event_handle_configurerequest_configure_window(xcb_configure_request_event_t
*ev
)
234 uint16_t config_win_mask
= 0;
235 uint32_t config_win_vals
[7];
236 unsigned short i
= 0;
238 if(ev
->value_mask
& XCB_CONFIG_WINDOW_X
)
240 config_win_mask
|= XCB_CONFIG_WINDOW_X
;
241 config_win_vals
[i
++] = ev
->x
;
243 if(ev
->value_mask
& XCB_CONFIG_WINDOW_Y
)
245 config_win_mask
|= XCB_CONFIG_WINDOW_Y
;
246 config_win_vals
[i
++] = ev
->y
;
248 if(ev
->value_mask
& XCB_CONFIG_WINDOW_WIDTH
)
250 config_win_mask
|= XCB_CONFIG_WINDOW_WIDTH
;
251 config_win_vals
[i
++] = ev
->width
;
253 if(ev
->value_mask
& XCB_CONFIG_WINDOW_HEIGHT
)
255 config_win_mask
|= XCB_CONFIG_WINDOW_HEIGHT
;
256 config_win_vals
[i
++] = ev
->height
;
258 if(ev
->value_mask
& XCB_CONFIG_WINDOW_BORDER_WIDTH
)
260 config_win_mask
|= XCB_CONFIG_WINDOW_BORDER_WIDTH
;
261 config_win_vals
[i
++] = ev
->border_width
;
263 if(ev
->value_mask
& XCB_CONFIG_WINDOW_SIBLING
)
265 config_win_mask
|= XCB_CONFIG_WINDOW_SIBLING
;
266 config_win_vals
[i
++] = ev
->sibling
;
268 if(ev
->value_mask
& XCB_CONFIG_WINDOW_STACK_MODE
)
270 config_win_mask
|= XCB_CONFIG_WINDOW_STACK_MODE
;
271 config_win_vals
[i
++] = ev
->stack_mode
;
274 xcb_configure_window(globalconf
.connection
, ev
->window
, config_win_mask
, config_win_vals
);
277 /** The configure event handler.
278 * \param ev The event.
281 event_handle_configurerequest(xcb_configure_request_event_t
*ev
)
285 if((c
= client_getbywin(ev
->window
)))
287 area_t geometry
= c
->geometry
;
288 int16_t diff_w
= 0, diff_h
= 0, diff_border
= 0;
290 if(ev
->value_mask
& XCB_CONFIG_WINDOW_X
)
292 if(ev
->value_mask
& XCB_CONFIG_WINDOW_Y
)
294 if(ev
->value_mask
& XCB_CONFIG_WINDOW_WIDTH
)
296 uint16_t old_w
= geometry
.width
;
297 geometry
.width
= ev
->width
;
298 /* The ConfigureRequest specifies the size of the client window, we want the frame */
299 geometry
.width
+= c
->titlebar
[CLIENT_TITLEBAR_LEFT
].size
;
300 geometry
.width
+= c
->titlebar
[CLIENT_TITLEBAR_RIGHT
].size
;
301 diff_w
= geometry
.width
- old_w
;
303 if(ev
->value_mask
& XCB_CONFIG_WINDOW_HEIGHT
)
305 uint16_t old_h
= geometry
.height
;
306 geometry
.height
= ev
->height
;
307 /* The ConfigureRequest specifies the size of the client window, we want the frame */
308 geometry
.height
+= c
->titlebar
[CLIENT_TITLEBAR_TOP
].size
;
309 geometry
.height
+= c
->titlebar
[CLIENT_TITLEBAR_BOTTOM
].size
;
310 diff_h
= geometry
.height
- old_h
;
312 if(ev
->value_mask
& XCB_CONFIG_WINDOW_BORDER_WIDTH
)
314 diff_border
= ev
->border_width
- c
->border_width
;
315 diff_h
+= diff_border
;
316 diff_w
+= diff_border
;
318 luaA_object_push(globalconf
.L
, c
);
319 window_set_border_width(globalconf
.L
, -1, ev
->border_width
);
320 lua_pop(globalconf
.L
, 1);
323 /* If the client resizes without moving itself, apply window gravity */
324 if(c
->size_hints
.flags
& XCB_ICCCM_SIZE_HINT_P_WIN_GRAVITY
)
326 int16_t diff_x
= 0, diff_y
= 0;
327 xwindow_translate_for_gravity(c
->size_hints
.win_gravity
, diff_border
, diff_border
, diff_w
, diff_h
, &diff_x
, &diff_y
);
328 if(!(ev
->value_mask
& XCB_CONFIG_WINDOW_X
))
329 geometry
.x
+= diff_x
;
330 if(!(ev
->value_mask
& XCB_CONFIG_WINDOW_Y
))
331 geometry
.y
+= diff_y
;
334 if(!client_resize(c
, geometry
, false))
335 /* ICCCM 4.1.5 / 4.2.3, if nothing was changed, send an event saying so */
336 client_send_configure(c
);
339 event_handle_configurerequest_configure_window(ev
);
342 /** The configure notify event handler.
343 * \param ev The event.
346 event_handle_configurenotify(xcb_configure_notify_event_t
*ev
)
348 const xcb_screen_t
*screen
= globalconf
.screen
;
350 if(ev
->window
== screen
->root
351 && (ev
->width
!= screen
->width_in_pixels
352 || ev
->height
!= screen
->height_in_pixels
))
353 /* it's not that we panic, but restart */
357 /** The destroy notify event handler.
358 * \param ev The event.
361 event_handle_destroynotify(xcb_destroy_notify_event_t
*ev
)
365 if((c
= client_getbywin(ev
->window
)))
366 client_unmanage(c
, false);
368 for(int i
= 0; i
< globalconf
.embedded
.len
; i
++)
369 if(globalconf
.embedded
.tab
[i
].win
== ev
->window
)
371 xembed_window_array_take(&globalconf
.embedded
, i
);
372 luaA_systray_invalidate();
376 /** The motion notify event handler.
377 * \param ev The event.
380 event_handle_motionnotify(xcb_motion_notify_event_t
*ev
)
385 globalconf
.timestamp
= ev
->time
;
387 if(event_handle_mousegrabber(ev
->root_x
, ev
->root_y
, ev
->state
))
390 if((c
= client_getbyframewin(ev
->event
)))
392 luaA_object_push(globalconf
.L
, c
);
393 lua_pushnumber(globalconf
.L
, ev
->event_x
);
394 lua_pushnumber(globalconf
.L
, ev
->event_y
);
395 luaA_object_emit_signal(globalconf
.L
, -3, "mouse::move", 2);
397 /* now check if a titlebar was "hit" */
398 int x
= ev
->event_x
, y
= ev
->event_y
;
399 drawable_t
*d
= client_get_drawable_offset(c
, &x
, &y
);
402 luaA_object_push_item(globalconf
.L
, -1, d
);
403 lua_pushnumber(globalconf
.L
, x
);
404 lua_pushnumber(globalconf
.L
, y
);
405 luaA_object_emit_signal(globalconf
.L
, -3, "mouse::move", 2);
406 lua_pop(globalconf
.L
, 1);
408 lua_pop(globalconf
.L
, 1);
411 if((w
= drawin_getbywin(ev
->event
)))
413 luaA_object_push(globalconf
.L
, w
);
414 luaA_object_push_item(globalconf
.L
, -1, w
->drawable
);
415 lua_pushnumber(globalconf
.L
, ev
->event_x
);
416 lua_pushnumber(globalconf
.L
, ev
->event_y
);
417 luaA_object_emit_signal(globalconf
.L
, -3, "mouse::move", 2);
418 lua_pop(globalconf
.L
, 2);
422 /** The leave notify event handler.
423 * \param ev The event.
426 event_handle_leavenotify(xcb_leave_notify_event_t
*ev
)
431 globalconf
.timestamp
= ev
->time
;
433 if(ev
->mode
!= XCB_NOTIFY_MODE_NORMAL
)
436 if((c
= client_getbyframewin(ev
->event
)))
438 luaA_object_push(globalconf
.L
, c
);
439 luaA_object_emit_signal(globalconf
.L
, -1, "mouse::leave", 0);
440 drawable_t
*d
= client_get_drawable(c
, ev
->event_x
, ev
->event_y
);
443 luaA_object_push_item(globalconf
.L
, -1, d
);
444 luaA_object_emit_signal(globalconf
.L
, -1, "mouse::leave", 0);
445 lua_pop(globalconf
.L
, 1);
447 lua_pop(globalconf
.L
, 1);
450 if((drawin
= drawin_getbywin(ev
->event
)))
452 luaA_object_push(globalconf
.L
, drawin
);
453 luaA_object_push_item(globalconf
.L
, -1, drawin
->drawable
);
454 luaA_object_emit_signal(globalconf
.L
, -1, "mouse::leave", 0);
455 lua_pop(globalconf
.L
, 2);
459 /** The enter notify event handler.
460 * \param ev The event.
463 event_handle_enternotify(xcb_enter_notify_event_t
*ev
)
468 globalconf
.timestamp
= ev
->time
;
470 if(ev
->mode
!= XCB_NOTIFY_MODE_NORMAL
)
473 if((drawin
= drawin_getbywin(ev
->event
)))
475 luaA_object_push(globalconf
.L
, drawin
);
476 luaA_object_push_item(globalconf
.L
, -1, drawin
->drawable
);
477 luaA_object_emit_signal(globalconf
.L
, -1, "mouse::enter", 0);
478 lua_pop(globalconf
.L
, 2);
481 if((c
= client_getbyframewin(ev
->event
)))
483 luaA_object_push(globalconf
.L
, c
);
484 luaA_object_emit_signal(globalconf
.L
, -1, "mouse::enter", 0);
485 drawable_t
*d
= client_get_drawable(c
, ev
->event_x
, ev
->event_y
);
488 luaA_object_push_item(globalconf
.L
, -1, d
);
489 luaA_object_emit_signal(globalconf
.L
, -1, "mouse::enter", 0);
490 lua_pop(globalconf
.L
, 1);
492 lua_pop(globalconf
.L
, 1);
496 /** The focus in event handler.
497 * \param ev The event.
500 event_handle_focusin(xcb_focus_in_event_t
*ev
)
502 if (ev
->mode
== XCB_NOTIFY_MODE_GRAB
503 || ev
->mode
== XCB_NOTIFY_MODE_UNGRAB
)
504 /* Ignore focus changes due to keyboard grabs */
507 /* Events that we are interested in: */
510 /* These are events that jump between root windows.
512 case XCB_NOTIFY_DETAIL_ANCESTOR
:
513 case XCB_NOTIFY_DETAIL_INFERIOR
:
515 /* These are events that jump between clients.
516 * Virtual events ensure we always get an event on our top-level window.
518 case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL
:
519 case XCB_NOTIFY_DETAIL_NONLINEAR
:
523 if((c
= client_getbywin(ev
->event
))) {
524 /* If there is still a pending focus change, do it now. */
525 client_focus_refresh();
526 client_focus_update(c
);
529 /* all other events are ignored */
535 /** The expose event handler.
536 * \param ev The event.
539 event_handle_expose(xcb_expose_event_t
*ev
)
544 if((drawin
= drawin_getbywin(ev
->window
)))
545 drawin_refresh_pixmap_partial(drawin
,
547 ev
->width
, ev
->height
);
548 if ((client
= client_getbyframewin(ev
->window
)))
549 client_refresh(client
);
552 /** The key press event handler.
553 * \param ev The event.
556 event_handle_key(xcb_key_press_event_t
*ev
)
558 globalconf
.timestamp
= ev
->time
;
560 if(globalconf
.keygrabber
!= LUA_REFNIL
)
562 lua_rawgeti(globalconf
.L
, LUA_REGISTRYINDEX
, globalconf
.keygrabber
);
563 if(keygrabber_handlekpress(globalconf
.L
, ev
))
565 if(lua_pcall(globalconf
.L
, 3, 1, 0))
567 warn("error running function: %s", lua_tostring(globalconf
.L
, -1));
568 luaA_keygrabber_stop(globalconf
.L
);
571 lua_pop(globalconf
.L
, 1); /* pop returned value or function if not called */
575 /* get keysym ignoring all modifiers */
576 xcb_keysym_t keysym
= keyresolv_get_keysym(ev
->detail
, 0);
578 if((c
= client_getbyframewin(ev
->event
)))
580 luaA_object_push(globalconf
.L
, c
);
581 event_key_callback(ev
, &c
->keys
, -1, 1, &keysym
);
584 event_key_callback(ev
, &globalconf
.keys
, 0, 0, &keysym
);
588 /** The map request event handler.
589 * \param ev The event.
592 event_handle_maprequest(xcb_map_request_event_t
*ev
)
595 xcb_get_window_attributes_cookie_t wa_c
;
596 xcb_get_window_attributes_reply_t
*wa_r
;
597 xcb_get_geometry_cookie_t geom_c
;
598 xcb_get_geometry_reply_t
*geom_r
;
600 wa_c
= xcb_get_window_attributes_unchecked(globalconf
.connection
, ev
->window
);
602 if(!(wa_r
= xcb_get_window_attributes_reply(globalconf
.connection
, wa_c
, NULL
)))
605 if(wa_r
->override_redirect
)
608 if(xembed_getbywin(&globalconf
.embedded
, ev
->window
))
610 xcb_map_window(globalconf
.connection
, ev
->window
);
611 xembed_window_activate(globalconf
.connection
, ev
->window
);
613 else if((c
= client_getbywin(ev
->window
)))
615 /* Check that it may be visible, but not asked to be hidden */
616 if(client_maybevisible(c
) && !c
->hidden
)
618 luaA_object_push(globalconf
.L
, c
);
619 client_set_minimized(globalconf
.L
, -1, false);
620 lua_pop(globalconf
.L
, 1);
621 /* it will be raised, so just update ourself */
627 geom_c
= xcb_get_geometry_unchecked(globalconf
.connection
, ev
->window
);
629 if(!(geom_r
= xcb_get_geometry_reply(globalconf
.connection
, geom_c
, NULL
)))
634 client_manage(ev
->window
, geom_r
, false);
643 /** The unmap notify event handler.
644 * \param ev The event.
647 event_handle_unmapnotify(xcb_unmap_notify_event_t
*ev
)
651 if((c
= client_getbywin(ev
->window
)))
652 client_unmanage(c
, true);
654 for(int i
= 0; i
< globalconf
.embedded
.len
; i
++)
655 if(globalconf
.embedded
.tab
[i
].win
== ev
->window
)
657 xembed_window_array_take(&globalconf
.embedded
, i
);
658 xcb_change_save_set(globalconf
.connection
, XCB_SET_MODE_DELETE
, ev
->window
);
659 luaA_systray_invalidate();
663 /** The randr screen change notify event handler.
664 * \param ev The event.
667 event_handle_randr_screen_change_notify(xcb_randr_screen_change_notify_event_t
*ev
)
669 /* Code of XRRUpdateConfiguration Xlib function ported to XCB
670 * (only the code relevant to RRScreenChangeNotify) as the latter
671 * doesn't provide this kind of function */
672 if(ev
->rotation
& (XCB_RANDR_ROTATION_ROTATE_90
| XCB_RANDR_ROTATION_ROTATE_270
))
673 xcb_randr_set_screen_size(globalconf
.connection
, ev
->root
, ev
->height
, ev
->width
,
674 ev
->mheight
, ev
->mwidth
);
676 xcb_randr_set_screen_size(globalconf
.connection
, ev
->root
, ev
->width
, ev
->height
,
677 ev
->mwidth
, ev
->mheight
);
679 /* XRRUpdateConfiguration also executes the following instruction
680 * but it's not useful because SubpixelOrder is not used at all at
683 * XRenderSetSubpixelOrder(dpy, snum, scevent->subpixel_order);
689 /** The client message event handler.
690 * \param ev The event.
693 event_handle_clientmessage(xcb_client_message_event_t
*ev
)
695 /* check for startup notification messages */
696 if(sn_xcb_display_process_event(globalconf
.sndisplay
, (xcb_generic_event_t
*) ev
))
699 if(ev
->type
== WM_CHANGE_STATE
)
702 if((c
= client_getbywin(ev
->window
))
704 && ev
->data
.data32
[0] == XCB_ICCCM_WM_STATE_ICONIC
)
706 luaA_object_push(globalconf
.L
, c
);
707 client_set_minimized(globalconf
.L
, -1, true);
708 lua_pop(globalconf
.L
, 1);
711 else if(ev
->type
== _XEMBED
)
712 xembed_process_client_message(ev
);
713 else if(ev
->type
== _NET_SYSTEM_TRAY_OPCODE
)
714 systray_process_client_message(ev
);
716 ewmh_process_client_message(ev
);
719 /** The keymap change notify event handler.
720 * \param ev The event.
723 event_handle_mappingnotify(xcb_mapping_notify_event_t
*ev
)
725 if(ev
->request
== XCB_MAPPING_MODIFIER
726 || ev
->request
== XCB_MAPPING_KEYBOARD
)
728 xcb_get_modifier_mapping_cookie_t xmapping_cookie
=
729 xcb_get_modifier_mapping_unchecked(globalconf
.connection
);
731 /* Free and then allocate the key symbols */
732 xcb_key_symbols_free(globalconf
.keysyms
);
733 globalconf
.keysyms
= xcb_key_symbols_alloc(globalconf
.connection
);
735 xutil_lock_mask_get(globalconf
.connection
, xmapping_cookie
,
736 globalconf
.keysyms
, &globalconf
.numlockmask
,
737 &globalconf
.shiftlockmask
, &globalconf
.capslockmask
,
738 &globalconf
.modeswitchmask
);
740 /* regrab everything */
741 xcb_screen_t
*s
= globalconf
.screen
;
742 /* yes XCB_BUTTON_MASK_ANY is also for grab_key even if it's look weird */
743 xcb_ungrab_key(globalconf
.connection
, XCB_GRAB_ANY
, s
->root
, XCB_BUTTON_MASK_ANY
);
744 xwindow_grabkeys(s
->root
, &globalconf
.keys
);
746 foreach(_c
, globalconf
.clients
)
749 xcb_ungrab_key(globalconf
.connection
, XCB_GRAB_ANY
, c
->frame_window
, XCB_BUTTON_MASK_ANY
);
750 xwindow_grabkeys(c
->frame_window
, &c
->keys
);
756 event_handle_reparentnotify(xcb_reparent_notify_event_t
*ev
)
760 if((c
= client_getbywin(ev
->window
)) && c
->frame_window
!= ev
->parent
)
762 /* Ignore reparents to the root window, they *might* be caused by
763 * ourselves if a client quickly unmaps and maps itself again. */
764 if (ev
->parent
!= globalconf
.screen
->root
)
765 client_unmanage(c
, true);
769 /** \brief awesome xerror function.
770 * There's no way to check accesses to destroyed windows, thus those cases are
771 * ignored (especially on UnmapNotify's).
772 * \param e The error event.
775 xerror(xcb_generic_error_t
*e
)
778 if(e
->error_code
== XCB_WINDOW
779 || (e
->error_code
== XCB_MATCH
780 && e
->major_code
== XCB_SET_INPUT_FOCUS
)
781 || (e
->error_code
== XCB_VALUE
782 && e
->major_code
== XCB_KILL_CLIENT
)
783 || (e
->error_code
== XCB_MATCH
784 && e
->major_code
== XCB_CONFIGURE_WINDOW
))
787 warn("X error: request=%s (major %d, minor %d), error=%s (%d)",
788 xcb_event_get_request_label(e
->major_code
),
789 e
->major_code
, e
->minor_code
,
790 xcb_event_get_error_label(e
->error_code
),
796 void event_handle(xcb_generic_event_t
*event
)
798 uint8_t response_type
= XCB_EVENT_RESPONSE_TYPE(event
);
800 if(response_type
== 0)
802 /* This is an error, not a event */
803 xerror((xcb_generic_error_t
*) event
);
807 switch(response_type
)
809 #define EVENT(type, callback) case type: callback((void *) event); return
810 EVENT(XCB_BUTTON_PRESS
, event_handle_button
);
811 EVENT(XCB_BUTTON_RELEASE
, event_handle_button
);
812 EVENT(XCB_CONFIGURE_REQUEST
, event_handle_configurerequest
);
813 EVENT(XCB_CONFIGURE_NOTIFY
, event_handle_configurenotify
);
814 EVENT(XCB_DESTROY_NOTIFY
, event_handle_destroynotify
);
815 EVENT(XCB_ENTER_NOTIFY
, event_handle_enternotify
);
816 EVENT(XCB_CLIENT_MESSAGE
, event_handle_clientmessage
);
817 EVENT(XCB_EXPOSE
, event_handle_expose
);
818 EVENT(XCB_FOCUS_IN
, event_handle_focusin
);
819 EVENT(XCB_KEY_PRESS
, event_handle_key
);
820 EVENT(XCB_KEY_RELEASE
, event_handle_key
);
821 EVENT(XCB_LEAVE_NOTIFY
, event_handle_leavenotify
);
822 EVENT(XCB_MAPPING_NOTIFY
, event_handle_mappingnotify
);
823 EVENT(XCB_MAP_REQUEST
, event_handle_maprequest
);
824 EVENT(XCB_MOTION_NOTIFY
, event_handle_motionnotify
);
825 EVENT(XCB_PROPERTY_NOTIFY
, property_handle_propertynotify
);
826 EVENT(XCB_REPARENT_NOTIFY
, event_handle_reparentnotify
);
827 EVENT(XCB_UNMAP_NOTIFY
, event_handle_unmapnotify
);
831 static uint8_t randr_screen_change_notify
= 0;
833 if(randr_screen_change_notify
== 0)
835 /* check for randr extension */
836 const xcb_query_extension_reply_t
*randr_query
;
837 randr_query
= xcb_get_extension_data(globalconf
.connection
, &xcb_randr_id
);
838 if(randr_query
->present
)
839 randr_screen_change_notify
= randr_query
->first_event
+ XCB_RANDR_SCREEN_CHANGE_NOTIFY
;
842 if (response_type
== randr_screen_change_notify
)
843 event_handle_randr_screen_change_notify((void *) event
);
846 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80