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awesome/event.c
Uli Schlachter 056d9a074b wibox: make sure no garbage is painted to the screen 
Wiboxes are lazily updated. This means that we could receive an expose event on
them between making them visible and actually painting their content.

Due to this we were copying undefined content to the wibox, because the pixmap
was only created just now, but it wasn't actually filled with anything yet.

Signed-off-by: Uli Schlachter <psychon@znc.in>
Signed-off-by: Julien Danjou <julien@danjou.info>
2009-11-08 10:32:43 +01:00

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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 "objects/tag.h"
#include "xwindow.h"
#include "ewmh.h"
#include "objects/client.h"
#include "objects/widget.h"
#include "objects/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;
if((c = client_getbywin(ev->window)))
{
area_t geometry = c->geometries.internal;
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 borders. */
geometry.width += 2 * c->border_width;
geometry.height += 2 * c->border_width;
if(!client_resize(c, geometry, false))
{
geometry.width -= 2 * c->border_width;
geometry.height -= 2 * c->border_width;
xwindow_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);
}
if(widget)
{
/* emit mouse::enter signal on new widget and register it */
*mouse_over = 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_getbywin(ev->event)))
{
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->mouse_over = NULL;
}
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_getbywin(ev->event)))
{
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)
{
/* 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:
{
client_t *c;
if((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);
xwindow_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);
xwindow_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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