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awesome/event.c

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/*
* event.c - event handlers
*
* Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <xcb/xcb.h>
#include <xcb/randr.h>
#include <xcb/xcb_atom.h>
#include <xcb/xcb_icccm.h>
#include <xcb/xcb_event.h>
#include "awesome.h"
#include "event.h"
#include "tag.h"
#include "window.h"
#include "ewmh.h"
#include "client.h"
#include "widget.h"
#include "titlebar.h"
#include "key.h"
#include "keygrabber.h"
#include "mousegrabber.h"
#include "luaa.h"
#include "systray.h"
#include "screen.h"
#include "common/atoms.h"
#include "common/xutil.h"
#define DO_EVENT_HOOK_CALLBACK(type, xcbtype, xcbeventprefix, arraytype, match) \
static void \
event_##xcbtype##_callback(xcb_##xcbtype##_press_event_t *ev, \
arraytype *arr, \
int oud, \
int nargs, \
void *data) \
{ \
int abs_oud = oud < 0 ? ((lua_gettop(globalconf.L) + 1) + oud) : oud; \
int item_matching = 0; \
foreach(item, *arr) \
if(match(ev, *item, data)) \
{ \
if(oud) \
luaA_object_push_item(globalconf.L, abs_oud, *item); \
else \
luaA_object_push(globalconf.L, *item); \
item_matching++; \
} \
for(; item_matching > 0; item_matching--) \
{ \
switch(ev->response_type) \
{ \
case xcbeventprefix##_PRESS: \
for(int i = 0; i < nargs; i++) \
lua_pushvalue(globalconf.L, - nargs - item_matching); \
luaA_object_emit_signal(globalconf.L, - nargs - 1, "press", nargs); \
break; \
case xcbeventprefix##_RELEASE: \
for(int i = 0; i < nargs; i++) \
lua_pushvalue(globalconf.L, - nargs - item_matching); \
luaA_object_emit_signal(globalconf.L, - nargs - 1, "release", nargs); \
break; \
} \
lua_pop(globalconf.L, 1); \
} \
lua_pop(globalconf.L, nargs); \
}
static bool
event_key_match(xcb_key_press_event_t *ev, keyb_t *k, void *data)
{
assert(data);
xcb_keysym_t keysym = *(xcb_keysym_t *) data;
return (((k->keycode && ev->detail == k->keycode)
|| (k->keysym && keysym == k->keysym))
&& (k->modifiers == XCB_BUTTON_MASK_ANY || k->modifiers == ev->state));
}
static bool
event_button_match(xcb_button_press_event_t *ev, button_t *b, void *data)
{
return ((!b->button || ev->detail == b->button)
&& (b->modifiers == XCB_BUTTON_MASK_ANY || b->modifiers == ev->state));
}
DO_EVENT_HOOK_CALLBACK(button_t, button, XCB_BUTTON, button_array_t, event_button_match)
DO_EVENT_HOOK_CALLBACK(keyb_t, key, XCB_KEY, key_array_t, event_key_match)
/** Handle an event with mouse grabber if needed
* \param x The x coordinate.
* \param y The y coordinate.
* \param mask The mask buttons.
* \return True if the event was handled.
*/
static bool
event_handle_mousegrabber(int x, int y, uint16_t mask)
{
if(globalconf.mousegrabber != LUA_REFNIL)
{
lua_rawgeti(globalconf.L, LUA_REGISTRYINDEX, globalconf.mousegrabber);
mousegrabber_handleevent(globalconf.L, x, y, mask);
if(lua_pcall(globalconf.L, 1, 1, 0))
{
warn("error running function: %s", lua_tostring(globalconf.L, -1));
luaA_mousegrabber_stop(globalconf.L);
}
else if(!lua_isboolean(globalconf.L, -1) || !lua_toboolean(globalconf.L, -1))
luaA_mousegrabber_stop(globalconf.L);
lua_pop(globalconf.L, 1); /* pop returned value */
return true;
}
return false;
}
/** The button press event handler.
* \param data The type of mouse event.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_button(void *data, xcb_connection_t *connection, xcb_button_press_event_t *ev)
{
int screen;
const int nb_screen = xcb_setup_roots_length(xcb_get_setup(connection));
client_t *c;
wibox_t *wibox;
if(event_handle_mousegrabber(ev->root_x, ev->root_y, 1 << (ev->detail - 1 + 8)))
return 0;
/* ev->state is
* button status (8 bits) + modifiers status (8 bits)
* we don't care for button status that we get, especially on release, so
* drop them */
ev->state &= 0x00ff;
if((wibox = wibox_getbywin(ev->event))
|| (wibox = wibox_getbywin(ev->child)))
{
/* If the wibox is child, then x,y are
* relative to root window */
if(wibox->window == ev->child)
{
ev->event_x -= wibox->geometry.x;
ev->event_y -= wibox->geometry.y;
}
luaA_object_push(globalconf.L, wibox);
event_button_callback(ev, &wibox->buttons, -1, 1, NULL);
/* then try to match a widget binding */
widget_t *w = widget_getbycoords(wibox->orientation, &wibox->widgets,
wibox->geometry.width,
wibox->geometry.height,
&ev->event_x, &ev->event_y);
if(w)
{
luaA_object_push(globalconf.L, w);
luaA_object_push(globalconf.L, wibox);
event_button_callback(ev, &w->buttons, -2, 2, NULL);
}
}
else if((c = client_getbywin(ev->event)))
{
luaA_object_push(globalconf.L, c);
event_button_callback(ev, &c->buttons, -1, 1, NULL);
xcb_allow_events(globalconf.connection,
XCB_ALLOW_REPLAY_POINTER,
XCB_CURRENT_TIME);
}
else if(ev->child == XCB_NONE)
for(screen = 0; screen < nb_screen; screen++)
if(xutil_screen_get(connection, screen)->root == ev->event)
{
event_button_callback(ev, &globalconf.buttons, 0, 0, NULL);
return 0;
}
return 0;
}
static void
event_handle_configurerequest_configure_window(xcb_configure_request_event_t *ev)
{
uint16_t config_win_mask = 0;
uint32_t config_win_vals[7];
unsigned short i = 0;
if(ev->value_mask & XCB_CONFIG_WINDOW_X)
{
config_win_mask |= XCB_CONFIG_WINDOW_X;
config_win_vals[i++] = ev->x;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
{
config_win_mask |= XCB_CONFIG_WINDOW_Y;
config_win_vals[i++] = ev->y;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
{
config_win_mask |= XCB_CONFIG_WINDOW_WIDTH;
config_win_vals[i++] = ev->width;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
{
config_win_mask |= XCB_CONFIG_WINDOW_HEIGHT;
config_win_vals[i++] = ev->height;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
{
config_win_mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
config_win_vals[i++] = ev->border_width;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_SIBLING)
{
config_win_mask |= XCB_CONFIG_WINDOW_SIBLING;
config_win_vals[i++] = ev->sibling;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
{
config_win_mask |= XCB_CONFIG_WINDOW_STACK_MODE;
config_win_vals[i++] = ev->stack_mode;
}
xcb_configure_window(globalconf.connection, ev->window, config_win_mask, config_win_vals);
}
/** The configure event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_configurerequest(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_configure_request_event_t *ev)
{
client_t *c;
area_t geometry;
if((c = client_getbywin(ev->window)))
{
geometry = titlebar_geometry_remove(c->titlebar, c->border_width, c->geometry);
if(ev->value_mask & XCB_CONFIG_WINDOW_X)
geometry.x = ev->x;
if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
geometry.y = ev->y;
if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
geometry.width = ev->width;
if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
geometry.height = ev->height;
if(ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
{
luaA_object_push(globalconf.L, c);
client_set_border_width(globalconf.L, -1, ev->border_width);
lua_pop(globalconf.L, 1);
}
/* Clients are not allowed to directly mess with stacking parameters. */
ev->value_mask &= ~(XCB_CONFIG_WINDOW_SIBLING |
XCB_CONFIG_WINDOW_STACK_MODE);
/** Configure request are sent with size relative to real (internal)
* window size, i.e. without titlebars and borders. */
geometry = titlebar_geometry_add(c->titlebar, c->border_width, geometry);
if(!client_resize(c, geometry, false))
{
/* Resize wasn't officially needed, but we don't want to break expectations. */
geometry = titlebar_geometry_remove(c->titlebar, c->border_width, c->geometry);
window_configure(c->window, geometry, c->border_width);
}
}
else
event_handle_configurerequest_configure_window(ev);
return 0;
}
/** The configure notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_configurenotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_configure_notify_event_t *ev)
{
int screen_nbr;
const xcb_screen_t *screen;
for(screen_nbr = 0; screen_nbr < xcb_setup_roots_length(xcb_get_setup (connection)); screen_nbr++)
if((screen = xutil_screen_get(connection, screen_nbr)) != NULL
&& ev->window == screen->root
&& (ev->width != screen->width_in_pixels
|| ev->height != screen->height_in_pixels))
/* it's not that we panic, but restart */
awesome_restart();
return 0;
}
/** The destroy notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_destroynotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_destroy_notify_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
client_unmanage(c);
else
for(int i = 0; i < globalconf.embedded.len; i++)
if(globalconf.embedded.tab[i].win == ev->window)
{
xembed_window_array_take(&globalconf.embedded, i);
widget_invalidate_bytype(widget_systray);
}
return 0;
}
/** Handle a motion notify over widgets.
* \param object The object.
* \param mouse_over The pointer to the registered mouse over widget.
* \param widget The new widget the mouse is over.
*/
static void
event_handle_widget_motionnotify(void *object,
widget_t **mouse_over,
widget_t *widget)
{
if(widget != *mouse_over)
{
if(*mouse_over)
{
/* call mouse leave function on old widget */
luaA_object_push(globalconf.L, *mouse_over);
luaA_object_emit_signal(globalconf.L, -1, "mouse::leave", 0);
lua_pop(globalconf.L, 1);
luaA_object_unref(globalconf.L, *mouse_over);
*mouse_over = NULL;
}
if(widget)
{
/* Get a ref on this widget so that it can't be unref'd from
* underneath us (-> invalid pointer dereference). */
luaA_object_push(globalconf.L, widget);
luaA_object_ref(globalconf.L, -1);
*mouse_over = widget;
/* emit mouse::enter signal on new widget */
luaA_object_push(globalconf.L, widget);
luaA_object_emit_signal(globalconf.L, -1, "mouse::enter", 0);
lua_pop(globalconf.L, 1);
}
}
}
/** The motion notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_motionnotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_motion_notify_event_t *ev)
{
wibox_t *wibox;
if(event_handle_mousegrabber(ev->root_x, ev->root_y, ev->state))
return 0;
if((wibox = wibox_getbywin(ev->event)))
{
widget_t *w = widget_getbycoords(wibox->orientation, &wibox->widgets,
wibox->geometry.width,
wibox->geometry.height,
&ev->event_x, &ev->event_y);
if(w)
event_handle_widget_motionnotify(wibox, &wibox->mouse_over, w);
}
return 0;
}
/** The leave notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_leavenotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_leave_notify_event_t *ev)
{
wibox_t *wibox;
client_t *c;
if(ev->mode != XCB_NOTIFY_MODE_NORMAL)
return 0;
if((c = client_getbytitlebarwin(ev->event)) || (c = client_getbywin(ev->event)))
{
if(globalconf.hooks.mouse_leave != LUA_REFNIL)
{
luaA_object_push(globalconf.L, c);
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.mouse_leave, 1, 0);
}
luaA_object_push(globalconf.L, c);
luaA_object_emit_signal(globalconf.L, -1, "mouse::leave", 0);
lua_pop(globalconf.L, 1);
}
if((wibox = wibox_getbywin(ev->event)))
{
if(wibox->mouse_over)
{
luaA_object_push(globalconf.L, wibox->mouse_over);
/* emit mouse::leave signal on widget the mouse was over */
luaA_object_emit_signal(globalconf.L, -1, "mouse::leave", 0);
lua_pop(globalconf.L, 1);
wibox_clear_mouse_over(wibox);
}
luaA_object_push(globalconf.L, wibox);
luaA_object_emit_signal(globalconf.L, -1, "mouse::leave", 0);
lua_pop(globalconf.L, 1);
}
return 0;
}
/** The enter notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_enternotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_enter_notify_event_t *ev)
{
client_t *c;
wibox_t *wibox;
if(ev->mode != XCB_NOTIFY_MODE_NORMAL)
return 0;
if((wibox = wibox_getbywin(ev->event)))
{
widget_t *w = widget_getbycoords(wibox->orientation, &wibox->widgets,
wibox->geometry.width,
wibox->geometry.height,
&ev->event_x, &ev->event_y);
if(w)
event_handle_widget_motionnotify(wibox, &wibox->mouse_over, w);
luaA_object_push(globalconf.L, wibox);
luaA_object_emit_signal(globalconf.L, -1, "mouse::enter", 0);
lua_pop(globalconf.L, 1);
}
if((c = client_getbytitlebarwin(ev->event))
|| (c = client_getbywin(ev->event)))
{
if(globalconf.hooks.mouse_enter != LUA_REFNIL)
{
luaA_object_push(globalconf.L, c);
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.mouse_enter, 1, 0);
}
luaA_object_push(globalconf.L, c);
luaA_object_emit_signal(globalconf.L, -1, "mouse::enter", 0);
lua_pop(globalconf.L, 1);
}
return 0;
}
/** The focus in event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_focusin(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_focus_in_event_t *ev)
{
client_t *c;
/* Events that we are interested in: */
switch(ev->detail)
{
/* These are events that jump between root windows.
*/
case XCB_NOTIFY_DETAIL_ANCESTOR:
case XCB_NOTIFY_DETAIL_INFERIOR:
/* These are events that jump between clients.
* Virtual events ensure we always get an event on our top-level window.
*/
case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
case XCB_NOTIFY_DETAIL_NONLINEAR:
if((c = client_getbytitlebarwin(ev->event))
|| (c = client_getbywin(ev->event)))
client_focus_update(c);
/* all other events are ignored */
default:
break;
}
return 0;
}
/** The expose event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_expose(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_expose_event_t *ev)
{
wibox_t *wibox;
/* If the wibox got need_update set, skip this because it will be repainted
* soon anyway. Without this we could be painting garbage to the screen!
*/
if((wibox = wibox_getbywin(ev->window)) && !wibox->need_update)
wibox_refresh_pixmap_partial(wibox,
ev->x, ev->y,
ev->width, ev->height);
return 0;
}
/** The key press event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_key(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_key_press_event_t *ev)
{
if(globalconf.keygrabber != LUA_REFNIL)
{
lua_rawgeti(globalconf.L, LUA_REGISTRYINDEX, globalconf.keygrabber);
if(keygrabber_handlekpress(globalconf.L, ev))
{
if(lua_pcall(globalconf.L, 3, 1, 0))
{
warn("error running function: %s", lua_tostring(globalconf.L, -1));
luaA_keygrabber_stop(globalconf.L);
}
else if(!lua_isboolean(globalconf.L, -1) || !lua_toboolean(globalconf.L, -1))
luaA_keygrabber_stop(globalconf.L);
}
lua_pop(globalconf.L, 1); /* pop returned value or function if not called */
}
else
{
/* get keysym ignoring all modifiers */
xcb_keysym_t keysym = key_getkeysym(ev->detail, 0);
client_t *c;
if((c = client_getbywin(ev->event)))
{
luaA_object_push(globalconf.L, c);
event_key_callback(ev, &c->keys, -1, 1, &keysym);
}
else
event_key_callback(ev, &globalconf.keys, 0, 0, &keysym);
}
return 0;
}
/** The map request event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_maprequest(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_map_request_event_t *ev)
{
int phys_screen, ret = 0;
client_t *c;
xcb_get_window_attributes_cookie_t wa_c;
xcb_get_window_attributes_reply_t *wa_r;
xcb_get_geometry_cookie_t geom_c;
xcb_get_geometry_reply_t *geom_r;
wa_c = xcb_get_window_attributes_unchecked(connection, ev->window);
if(!(wa_r = xcb_get_window_attributes_reply(connection, wa_c, NULL)))
return -1;
if(wa_r->override_redirect)
goto bailout;
if(xembed_getbywin(&globalconf.embedded, ev->window))
{
xcb_map_window(connection, ev->window);
xembed_window_activate(connection, ev->window);
}
else if((c = client_getbywin(ev->window)))
{
/* Check that it may be visible, but not asked to be hidden */
if(client_maybevisible(c, c->screen) && !c->hidden)
{
luaA_object_push(globalconf.L, c);
client_set_minimized(globalconf.L, -1, false);
lua_pop(globalconf.L, 1);
/* it will be raised, so just update ourself */
client_raise(c);
}
}
else
{
geom_c = xcb_get_geometry_unchecked(connection, ev->window);
if(!(geom_r = xcb_get_geometry_reply(connection, geom_c, NULL)))
{
ret = -1;
goto bailout;
}
phys_screen = xutil_root2screen(connection, geom_r->root);
client_manage(ev->window, geom_r, phys_screen, false);
p_delete(&geom_r);
}
bailout:
p_delete(&wa_r);
return ret;
}
/** The unmap notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_unmapnotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_unmap_notify_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
{
if(ev->event == xutil_screen_get(connection, c->phys_screen)->root
&& XCB_EVENT_SENT(ev)
&& xwindow_get_state_reply(xwindow_get_state_unchecked(c->window)) == XCB_WM_STATE_NORMAL)
client_unmanage(c);
}
else
for(int i = 0; i < globalconf.embedded.len; i++)
if(globalconf.embedded.tab[i].win == ev->window)
{
xembed_window_array_take(&globalconf.embedded, i);
widget_invalidate_bytype(widget_systray);
}
return 0;
}
/** The randr screen change notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_randr_screen_change_notify(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_randr_screen_change_notify_event_t *ev)
{
/* Code of XRRUpdateConfiguration Xlib function ported to XCB
* (only the code relevant to RRScreenChangeNotify) as the latter
* doesn't provide this kind of function */
if(ev->rotation & (XCB_RANDR_ROTATION_ROTATE_90 | XCB_RANDR_ROTATION_ROTATE_270))
xcb_randr_set_screen_size(connection, ev->root, ev->height, ev->width,
ev->mheight, ev->mwidth);
else
xcb_randr_set_screen_size(connection, ev->root, ev->width, ev->height,
ev->mwidth, ev->mheight);
/* XRRUpdateConfiguration also executes the following instruction
* but it's not useful because SubpixelOrder is not used at all at
* the moment
*
* XRenderSetSubpixelOrder(dpy, snum, scevent->subpixel_order);
*/
awesome_restart();
return 0;
}
/** The client message event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_clientmessage(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_client_message_event_t *ev)
{
/* check for startup notification messages */
if(sn_xcb_display_process_event(globalconf.sndisplay, (xcb_generic_event_t *) ev))
return 0;
if(ev->type == WM_CHANGE_STATE)
{
client_t *c;
if((c = client_getbywin(ev->window))
&& ev->format == 32
&& ev->data.data32[0] == XCB_WM_STATE_ICONIC)
{
luaA_object_push(globalconf.L, c);
client_set_minimized(globalconf.L, -1, true);
lua_pop(globalconf.L, 1);
}
}
else if(ev->type == _XEMBED)
return xembed_process_client_message(ev);
else if(ev->type == _NET_SYSTEM_TRAY_OPCODE)
return systray_process_client_message(ev);
return ewmh_process_client_message(ev);
}
/** The keymap change notify event handler.
* \param data Unused data.
* \param connection The connection to the X server.
* \param ev The event.
* \return Status code, 0 if everything's fine.
*/
static int
event_handle_mappingnotify(void *data,
xcb_connection_t *connection,
xcb_mapping_notify_event_t *ev)
{
if(ev->request == XCB_MAPPING_MODIFIER
|| ev->request == XCB_MAPPING_KEYBOARD)
{
xcb_get_modifier_mapping_cookie_t xmapping_cookie =
xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* Free and then allocate the key symbols */
xcb_key_symbols_free(globalconf.keysyms);
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
xutil_lock_mask_get(globalconf.connection, xmapping_cookie,
globalconf.keysyms, &globalconf.numlockmask,
&globalconf.shiftlockmask, &globalconf.capslockmask,
&globalconf.modeswitchmask);
int nscreen = xcb_setup_roots_length(xcb_get_setup(connection));
/* regrab everything */
for(int phys_screen = 0; phys_screen < nscreen; phys_screen++)
{
xcb_screen_t *s = xutil_screen_get(globalconf.connection, phys_screen);
/* yes XCB_BUTTON_MASK_ANY is also for grab_key even if it's look weird */
xcb_ungrab_key(connection, XCB_GRAB_ANY, s->root, XCB_BUTTON_MASK_ANY);
window_grabkeys(s->root, &globalconf.keys);
}
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
xcb_ungrab_key(connection, XCB_GRAB_ANY, c->window, XCB_BUTTON_MASK_ANY);
window_grabkeys(c->window, &c->keys);
}
}
return 0;
}
static int
event_handle_reparentnotify(void *data,
xcb_connection_t *connection,
xcb_reparent_notify_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
client_unmanage(c);
return 0;
}
void a_xcb_set_event_handlers(void)
{
const xcb_query_extension_reply_t *randr_query;
xcb_event_set_button_press_handler(&globalconf.evenths, event_handle_button, NULL);
xcb_event_set_button_release_handler(&globalconf.evenths, event_handle_button, NULL);
xcb_event_set_configure_request_handler(&globalconf.evenths, event_handle_configurerequest, NULL);
xcb_event_set_configure_notify_handler(&globalconf.evenths, event_handle_configurenotify, NULL);
xcb_event_set_destroy_notify_handler(&globalconf.evenths, event_handle_destroynotify, NULL);
xcb_event_set_enter_notify_handler(&globalconf.evenths, event_handle_enternotify, NULL);
xcb_event_set_leave_notify_handler(&globalconf.evenths, event_handle_leavenotify, NULL);
xcb_event_set_focus_in_handler(&globalconf.evenths, event_handle_focusin, NULL);
xcb_event_set_motion_notify_handler(&globalconf.evenths, event_handle_motionnotify, NULL);
xcb_event_set_expose_handler(&globalconf.evenths, event_handle_expose, NULL);
xcb_event_set_key_press_handler(&globalconf.evenths, event_handle_key, NULL);
xcb_event_set_key_release_handler(&globalconf.evenths, event_handle_key, NULL);
xcb_event_set_map_request_handler(&globalconf.evenths, event_handle_maprequest, NULL);
xcb_event_set_unmap_notify_handler(&globalconf.evenths, event_handle_unmapnotify, NULL);
xcb_event_set_client_message_handler(&globalconf.evenths, event_handle_clientmessage, NULL);
xcb_event_set_mapping_notify_handler(&globalconf.evenths, event_handle_mappingnotify, NULL);
xcb_event_set_reparent_notify_handler(&globalconf.evenths, event_handle_reparentnotify, NULL);
/* check for randr extension */
randr_query = xcb_get_extension_data(globalconf.connection, &xcb_randr_id);
if(randr_query->present)
xcb_event_set_handler(&globalconf.evenths,
randr_query->first_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY,
(xcb_generic_event_handler_t) event_handle_randr_screen_change_notify,
NULL);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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