11 #include "extensions.h"
17 #include <X11/keysym.h>
18 #include <X11/Xatom.h>
19 #ifdef HAVE_SYS_SELECT_H
20 # include <sys/select.h>
23 static void event_process(XEvent *e);
24 static void event_handle_root(XEvent *e);
25 static void event_handle_client(Client *c, XEvent *e);
27 Time event_lasttime = 0;
29 /*! The value of the mask for the NumLock modifier */
30 unsigned int NumLockMask;
31 /*! The value of the mask for the ScrollLock modifier */
32 unsigned int ScrollLockMask;
33 /*! The key codes for the modifier keys */
34 static XModifierKeymap *modmap;
35 /*! Table of the constant modifier masks */
36 static const int mask_table[] = {
37 ShiftMask, LockMask, ControlMask, Mod1Mask,
38 Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
40 static int mask_table_size;
44 mask_table_size = sizeof(mask_table) / sizeof(mask_table[0]);
46 /* get lock masks that are defined by the display (not constant) */
47 modmap = XGetModifierMapping(ob_display);
49 if (modmap && modmap->max_keypermod > 0) {
51 const size_t size = mask_table_size * modmap->max_keypermod;
52 /* get the values of the keyboard lock modifiers
53 Note: Caps lock is not retrieved the same way as Scroll and Num
54 lock since it doesn't need to be. */
55 const KeyCode num_lock = XKeysymToKeycode(ob_display, XK_Num_Lock);
56 const KeyCode scroll_lock = XKeysymToKeycode(ob_display,
59 for (cnt = 0; cnt < size; ++cnt) {
60 if (! modmap->modifiermap[cnt]) continue;
62 if (num_lock == modmap->modifiermap[cnt])
63 NumLockMask = mask_table[cnt / modmap->max_keypermod];
64 if (scroll_lock == modmap->modifiermap[cnt])
65 ScrollLockMask = mask_table[cnt / modmap->max_keypermod];
72 XFreeModifiermap(modmap);
84 There are slightly different event retrieval semantics here for
85 local (or high bandwidth) versus remote (or low bandwidth)
86 connections to the display/Xserver.
89 if (!XPending(ob_display))
93 This XSync allows for far more compression of events, which
94 makes things like Motion events perform far far better. Since
95 it also means network traffic for every event instead of every
96 X events (where X is the number retrieved at a time), it
97 probably should not be used for setups where Openbox is
98 running on a remote/low bandwidth display/Xserver.
100 XSync(ob_display, FALSE);
101 if (!XEventsQueued(ob_display, QueuedAlready))
104 XNextEvent(ob_display, &e);
109 timer_dispatch((GTimeVal**)&wait);
110 x_fd = ConnectionNumber(ob_display);
112 FD_SET(x_fd, &selset);
113 select(x_fd + 1, &selset, NULL, NULL, wait);
116 void event_process(XEvent *e)
127 window = e->xmap.window;
130 window = e->xunmap.window;
133 window = e->xdestroywindow.window;
135 case ConfigureRequest:
136 window = e->xconfigurerequest.window;
140 if (extensions_xkb && e->type == extensions_xkb_event_basep) {
141 switch (((XkbAnyEvent*)&e)->xkb_type) {
143 window = ((XkbBellNotifyEvent*)&e)->window;
149 window = e->xany.window;
152 client = g_hash_table_lookup(client_map, &window);
154 /* grab the lasttime and hack up the state */
158 event_lasttime = e->xbutton.time;
159 e->xbutton.state &= ~(LockMask | NumLockMask | ScrollLockMask);
160 /* kill off the Button1Mask etc, only want the modifiers */
161 e->xbutton.state &= (ControlMask | ShiftMask | Mod1Mask |
162 Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
165 event_lasttime = e->xkey.time;
166 e->xkey.state &= ~(LockMask | NumLockMask | ScrollLockMask);
167 /* kill off the Button1Mask etc, only want the modifiers */
168 e->xkey.state &= (ControlMask | ShiftMask | Mod1Mask |
169 Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
170 /* add to the state the mask of the modifier being pressed, if it is
171 a modifier key being pressed (this is a little ugly..) */
172 /* I'm commenting this out cuz i don't want "C-Control_L" being returned. */
173 /* kp = modmap->modifiermap;*/
174 /* for (i = 0; i < mask_table_size; ++i) {*/
175 /* for (k = 0; k < modmap->max_keypermod; ++k) {*/
176 /* if (*kp == e->xkey.keycode) {*/ /* found the keycode */
177 /* add the mask for it */
178 /* e->xkey.state |= mask_table[i];*/
179 /* cause the first loop to break; */
180 /* i = mask_table_size;*/
181 /* break;*/ /* get outta here! */
189 event_lasttime = e->xkey.time;
190 e->xkey.state &= ~(LockMask | NumLockMask | ScrollLockMask);
191 /* kill off the Button1Mask etc, only want the modifiers */
192 e->xkey.state &= (ControlMask | ShiftMask | Mod1Mask |
193 Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
194 /* remove from the state the mask of the modifier being released, if
195 it is a modifier key being released (this is a little ugly..) */
196 kp = modmap->modifiermap;
197 for (i = 0; i < mask_table_size; ++i) {
198 for (k = 0; k < modmap->max_keypermod; ++k) {
199 if (*kp == e->xkey.keycode) { /* found the keycode */
200 /* remove the mask for it */
201 e->xkey.state &= ~mask_table[i];
202 /* cause the first loop to break; */
204 break; /* get outta here! */
211 event_lasttime = e->xmotion.time;
212 e->xmotion.state &= ~(LockMask | NumLockMask | ScrollLockMask);
213 /* kill off the Button1Mask etc, only want the modifiers */
214 e->xmotion.state &= (ControlMask | ShiftMask | Mod1Mask |
215 Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask);
216 /* compress events */
217 while (XCheckTypedWindowEvent(ob_display, window, e->type, &ce)) {
218 e->xmotion.x_root = ce.xmotion.x_root;
219 e->xmotion.y_root = ce.xmotion.y_root;
223 event_lasttime = e->xproperty.time;
226 g_message("FocusIn on %lx mode %d detail %d", window,
227 e->xfocus.mode, e->xfocus.detail);
228 /* NotifyAncestor is not ignored in FocusIn like it is in FocusOut
229 because of RevertToPointerRoot. If the focus ends up reverting to
230 pointer root on a workspace change, then the FocusIn event that we
231 want will be of type NotifyAncestor. This situation does not occur
232 for FocusOut, so it is safely ignored there.
234 if (e->xfocus.detail == NotifyInferior ||
235 e->xfocus.detail > NotifyNonlinearVirtual || client == NULL) {
236 /* says a client was not found for the event (or a valid FocusIn
239 e->xfocus.window = None;
243 g_message("FocusIn on %lx", window);
246 g_message("FocusOut on %lx mode %d detail %d", window,
247 e->xfocus.mode, e->xfocus.detail);
248 if (e->xfocus.mode == NotifyGrab ||
249 e->xfocus.detail == NotifyInferior ||
250 e->xfocus.detail == NotifyAncestor ||
251 e->xfocus.detail > NotifyNonlinearVirtual) return;
253 g_message("FocusOut on %lx", window);
254 /* Try process a FocusIn first, and if a legit one isn't found, then
255 do the fallback shiznit. */
258 if (XCheckTypedEvent(ob_display, FocusIn, &fi)) {
261 /* secret magic way of event_process telling us that no client
262 was found for the FocusIn event. ^_^ */
263 if (fi.xfocus.window == None)
264 focus_fallback(FALSE);
265 if (fi.xfocus.window == e->xfocus.window)
268 focus_fallback(FALSE);
273 event_lasttime = e->xcrossing.time;
274 /* NotifyUngrab occurs when a mouse button is released and the event is
275 caused, like when lowering a window */
276 if (e->xcrossing.mode == NotifyGrab) return;
279 event_lasttime = CurrentTime;
283 /* deal with it in the kernel */
285 event_handle_client(client, e);
286 else if (window == ob_root)
287 event_handle_root(e);
288 else if (e->type == MapRequest)
289 client_manage(window);
290 else if (e->type == ConfigureRequest) {
291 /* unhandled configure requests must be used to configure the
295 xwc.x = e->xconfigurerequest.x;
296 xwc.y = e->xconfigurerequest.y;
297 xwc.width = e->xconfigurerequest.width;
298 xwc.height = e->xconfigurerequest.height;
299 xwc.border_width = e->xconfigurerequest.border_width;
300 xwc.sibling = e->xconfigurerequest.above;
301 xwc.stack_mode = e->xconfigurerequest.detail;
303 /* we are not to be held responsible if someone sends us an
305 xerror_set_ignore(TRUE);
306 XConfigureWindow(ob_display, window,
307 e->xconfigurerequest.value_mask, &xwc);
308 xerror_set_ignore(FALSE);
311 /* dispatch the event to registered handlers */
312 dispatch_x(e, client);
315 static void event_handle_root(XEvent *e)
321 if (e->xclient.format != 32) break;
323 msgtype = e->xclient.message_type;
324 if (msgtype == prop_atoms.net_current_desktop) {
325 unsigned int d = e->xclient.data.l[0];
326 if (d < screen_num_desktops)
327 screen_set_desktop(d);
328 } else if (msgtype == prop_atoms.net_number_of_desktops) {
329 unsigned int d = e->xclient.data.l[0];
331 screen_set_num_desktops(d);
332 } else if (msgtype == prop_atoms.net_showing_desktop) {
333 screen_show_desktop(e->xclient.data.l[0] != 0);
337 if (e->xproperty.atom == prop_atoms.net_desktop_names)
338 screen_update_desktop_names();
339 else if (e->xproperty.atom == prop_atoms.net_desktop_layout)
340 screen_update_layout();
345 static void event_handle_client(Client *client, XEvent *e)
350 ConfigValue focus_follow;
354 focus_set_client(client);
356 g_message("Focus%s on client for %lx", (e->type==FocusIn?"In":"Out"),
358 /* focus state can affect the stacking layer */
359 client_calc_layer(client);
360 engine_frame_adjust_focus(client->frame);
363 if (client_normal(client)) {
364 if (ob_state == State_Starting) {
365 /* move it to the top of the focus order */
366 guint desktop = client->desktop;
367 if (desktop == DESKTOP_ALL) desktop = screen_desktop;
368 focus_order[desktop] = g_list_remove(focus_order[desktop],
370 focus_order[desktop] = g_list_prepend(focus_order[desktop],
373 if (!config_get("focusFollowsMouse",Config_Bool,&focus_follow))
374 g_assert_not_reached();
375 if (focus_follow.bool)
376 client_focus(client);
380 case ConfigureRequest:
382 while (XCheckTypedWindowEvent(ob_display, client->window,
383 ConfigureRequest, &ce)) {
385 /* XXX if this causes bad things.. we can compress config req's
386 with the same mask. */
387 e->xconfigurerequest.value_mask |=
388 ce.xconfigurerequest.value_mask;
389 if (ce.xconfigurerequest.value_mask & CWX)
390 e->xconfigurerequest.x = ce.xconfigurerequest.x;
391 if (ce.xconfigurerequest.value_mask & CWY)
392 e->xconfigurerequest.y = ce.xconfigurerequest.y;
393 if (ce.xconfigurerequest.value_mask & CWWidth)
394 e->xconfigurerequest.width = ce.xconfigurerequest.width;
395 if (ce.xconfigurerequest.value_mask & CWHeight)
396 e->xconfigurerequest.height = ce.xconfigurerequest.height;
397 if (ce.xconfigurerequest.value_mask & CWBorderWidth)
398 e->xconfigurerequest.border_width =
399 ce.xconfigurerequest.border_width;
400 if (ce.xconfigurerequest.value_mask & CWStackMode)
401 e->xconfigurerequest.detail = ce.xconfigurerequest.detail;
403 if (i) g_message("Compressed %d Configures", i);
405 /* if we are iconic (or shaded (fvwm does this)) ignore the event */
406 if (client->iconic || client->shaded) return;
408 if (e->xconfigurerequest.value_mask & CWBorderWidth)
409 client->border_width = e->xconfigurerequest.border_width;
411 /* resize, then move, as specified in the EWMH section 7.7 */
412 if (e->xconfigurerequest.value_mask & (CWWidth | CWHeight |
417 x = (e->xconfigurerequest.value_mask & CWX) ?
418 e->xconfigurerequest.x : client->area.x;
419 y = (e->xconfigurerequest.value_mask & CWY) ?
420 e->xconfigurerequest.y : client->area.y;
421 w = (e->xconfigurerequest.value_mask & CWWidth) ?
422 e->xconfigurerequest.width : client->area.width;
423 h = (e->xconfigurerequest.value_mask & CWHeight) ?
424 e->xconfigurerequest.height : client->area.height;
426 switch (client->gravity) {
427 case NorthEastGravity:
429 corner = Corner_TopRight;
431 case SouthWestGravity:
433 corner = Corner_BottomLeft;
435 case SouthEastGravity:
436 corner = Corner_BottomRight;
438 default: /* NorthWest, Static, etc */
439 corner = Corner_TopLeft;
442 client_configure(client, corner, x, y, w, h, FALSE, FALSE);
445 if (e->xconfigurerequest.value_mask & CWStackMode) {
446 switch (e->xconfigurerequest.detail) {
449 stacking_lower(client);
455 stacking_raise(client);
461 if (client->ignore_unmaps) {
462 client->ignore_unmaps--;
465 client_unmanage(client);
468 client_unmanage(client);
471 /* this is when the client is first taken captive in the frame */
472 if (e->xreparent.parent == client->frame->plate) break;
475 This event is quite rare and is usually handled in unmapHandler.
476 However, if the window is unmapped when the reparent event occurs,
477 the window manager never sees it because an unmap event is not sent
478 to an already unmapped window.
481 /* we don't want the reparent event, put it back on the stack for the
482 X server to deal with after we unmanage the window */
483 XPutBackEvent(ob_display, e);
485 client_unmanage(client);
488 if (!client->iconic) break; /* this normally doesn't happen, but if it
489 does, we don't want it! */
490 if (screen_showing_desktop)
491 screen_show_desktop(FALSE);
492 client_iconify(client, FALSE, TRUE);
493 if (!client->frame->visible)
494 /* if its not visible still, then don't mess with it */
497 client_shade(client, FALSE);
498 client_focus(client);
499 stacking_raise(client);
502 /* validate cuz we query stuff off the client here */
503 if (!client_validate(client)) break;
505 if (e->xclient.format != 32) return;
507 msgtype = e->xclient.message_type;
508 if (msgtype == prop_atoms.wm_change_state) {
509 /* compress changes into a single change */
510 while (XCheckTypedWindowEvent(ob_display, e->type,
511 client->window, &ce)) {
512 /* XXX: it would be nice to compress ALL messages of a
513 type, not just messages in a row without other
514 message types between. */
515 if (ce.xclient.message_type != msgtype) {
516 XPutBackEvent(ob_display, &ce);
519 e->xclient = ce.xclient;
521 client_set_wm_state(client, e->xclient.data.l[0]);
522 } else if (msgtype == prop_atoms.net_wm_desktop) {
523 /* compress changes into a single change */
524 while (XCheckTypedWindowEvent(ob_display, e->type,
525 client->window, &ce)) {
526 /* XXX: it would be nice to compress ALL messages of a
527 type, not just messages in a row without other
528 message types between. */
529 if (ce.xclient.message_type != msgtype) {
530 XPutBackEvent(ob_display, &ce);
533 e->xclient = ce.xclient;
535 if ((unsigned)e->xclient.data.l[0] < screen_num_desktops ||
536 (unsigned)e->xclient.data.l[0] == DESKTOP_ALL)
537 client_set_desktop(client, (unsigned)e->xclient.data.l[0],
539 } else if (msgtype == prop_atoms.net_wm_state) {
540 /* can't compress these */
541 g_message("net_wm_state %s %ld %ld for 0x%lx",
542 (e->xclient.data.l[0] == 0 ? "Remove" :
543 e->xclient.data.l[0] == 1 ? "Add" :
544 e->xclient.data.l[0] == 2 ? "Toggle" : "INVALID"),
545 e->xclient.data.l[1], e->xclient.data.l[2],
547 client_set_state(client, e->xclient.data.l[0],
548 e->xclient.data.l[1], e->xclient.data.l[2]);
549 } else if (msgtype == prop_atoms.net_close_window) {
550 g_message("net_close_window for 0x%lx", client->window);
551 client_close(client);
552 } else if (msgtype == prop_atoms.net_active_window) {
553 g_message("net_active_window for 0x%lx", client->window);
554 if (screen_showing_desktop)
555 screen_show_desktop(FALSE);
557 client_iconify(client, FALSE, TRUE);
558 else if (!client->frame->visible)
559 /* if its not visible for other reasons, then don't mess
563 client_shade(client, FALSE);
564 client_focus(client);
565 stacking_raise(client);
569 /* validate cuz we query stuff off the client here */
570 if (!client_validate(client)) break;
572 /* compress changes to a single property into a single change */
573 while (XCheckTypedWindowEvent(ob_display, e->type,
574 client->window, &ce)) {
575 /* XXX: it would be nice to compress ALL changes to a property,
576 not just changes in a row without other props between. */
577 if (ce.xproperty.atom != e->xproperty.atom) {
578 XPutBackEvent(ob_display, &ce);
583 msgtype = e->xproperty.atom;
584 if (msgtype == XA_WM_NORMAL_HINTS) {
585 client_update_normal_hints(client);
586 /* normal hints can make a window non-resizable */
587 client_setup_decor_and_functions(client);
589 else if (msgtype == XA_WM_HINTS)
590 client_update_wmhints(client);
591 else if (msgtype == XA_WM_TRANSIENT_FOR) {
592 client_update_transient_for(client);
593 client_get_type(client);
594 /* type may have changed, so update the layer */
595 client_calc_layer(client);
596 client_setup_decor_and_functions(client);
598 else if (msgtype == prop_atoms.net_wm_name ||
599 msgtype == prop_atoms.wm_name)
600 client_update_title(client);
601 else if (msgtype == prop_atoms.net_wm_icon_name ||
602 msgtype == prop_atoms.wm_icon_name)
603 client_update_icon_title(client);
604 else if (msgtype == prop_atoms.wm_class)
605 client_update_class(client);
606 else if (msgtype == prop_atoms.wm_protocols) {
607 client_update_protocols(client);
608 client_setup_decor_and_functions(client);
610 else if (msgtype == prop_atoms.net_wm_strut)
611 client_update_strut(client);
612 else if (msgtype == prop_atoms.net_wm_icon)
613 client_update_icons(client);
614 else if (msgtype == prop_atoms.kwm_win_icon)
615 client_update_kwm_icon(client);
619 if (extensions_shape && e->type == extensions_shape_event_basep) {
620 client->shaped = ((XShapeEvent*)e)->shaped;
621 engine_frame_adjust_shape(client->frame);