#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"

extern awesome_t globalconf;

static void

event_handle_mouse_button(client_t *c,

button_array_t *buttons)

{

for(int i = 0; i < buttons->len; i++)

if(button == buttons->tab[i]->button

&& XUTIL_MASK_CLEAN(state) == buttons->tab[i]->mod)

switch(type)

{

case XCB_BUTTON_PRESS:

if(buttons->tab[i]->press != LUA_REFNIL)

{

if(c)

{

luaA_client_userdata_new(globalconf.L, c);

luaA_dofunction(globalconf.L, buttons->tab[i]->press, 1, 0);

}

else

luaA_dofunction(globalconf.L, buttons->tab[i]->press, 0, 0);

}

break;

case XCB_BUTTON_RELEASE:

if(buttons->tab[i]->release != LUA_REFNIL)

{

if(c)

{

luaA_client_userdata_new(globalconf.L, c);

luaA_dofunction(globalconf.L, buttons->tab[i]->release, 1, 0);

}

else

luaA_dofunction(globalconf.L, buttons->tab[i]->release, 0, 0);

}

break;

}

}

static void

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 */

}

}

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;

widget_t *w;

wibox_t *wibox;

/* ev->state is

ev->state &= 0x00ff;

event_handle_mousegrabber(ev->root_x, ev->root_y, ev->state);

if((wibox = wibox_getbywin(ev->event))

|| (wibox = wibox_getbywin(ev->child)))

{

/* If the wibox is child, then x,y are

if(wibox->sw.window == ev->child)

{

ev->event_x -= wibox->sw.geometry.x;

ev->event_y -= wibox->sw.geometry.y;

}

/* check if we match a binding on the wibox */

button_array_t *b = &wibox->buttons;

for(int i = 0; i < b->len; i++)

if(ev->detail == b->tab[i]->button

&& XUTIL_MASK_CLEAN(ev->state) == b->tab[i]->mod)

switch(ev->response_type)

{

case XCB_BUTTON_PRESS:

if(b->tab[i]->press != LUA_REFNIL)

{

luaA_wibox_userdata_new(globalconf.L, wibox);

luaA_dofunction(globalconf.L, b->tab[i]->press, 1, 0);

}

break;

case XCB_BUTTON_RELEASE:

if(b->tab[i]->release != LUA_REFNIL)

{

luaA_wibox_userdata_new(globalconf.L, wibox);

luaA_dofunction(globalconf.L, b->tab[i]->release, 1, 0);

}

break;

}

/* then try to match a widget binding */

if((w = widget_getbycoords(wibox->position, &wibox->widgets,

wibox->sw.geometry.width,

wibox->sw.geometry.height,

&ev->event_x, &ev->event_y)))

{

b = &w->buttons;

for(int i = 0; i < b->len; i++)

if(ev->detail == b->tab[i]->button

&& XUTIL_MASK_CLEAN(ev->state) == b->tab[i]->mod)

switch(ev->response_type)

{

case XCB_BUTTON_PRESS:

if(b->tab[i]->press != LUA_REFNIL)

{

luaA_wibox_userdata_new(globalconf.L, wibox);

luaA_dofunction(globalconf.L, b->tab[i]->press, 1, 0);

}

break;

case XCB_BUTTON_RELEASE:

if(b->tab[i]->release != LUA_REFNIL)

{

luaA_wibox_userdata_new(globalconf.L, wibox);

luaA_dofunction(globalconf.L, b->tab[i]->release, 1, 0);

}

break;

}

}

/* return even if no widget match */

return 0;

}

if((c = client_getbywin(ev->event)))

{

event_handle_mouse_button(c, ev->response_type, ev->detail, ev->state, &c->buttons);

xcb_allow_events(globalconf.connection,

XCB_ALLOW_REPLAY_POINTER,

XCB_CURRENT_TIME);

}

else

for(screen = 0; screen < nb_screen; screen++)

if(xutil_screen_get(connection, screen)->root == ev->event)

{

event_handle_mouse_button(NULL, ev->response_type, ev->detail, ev->state, &globalconf.buttons);

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);

}

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, 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)

client_setborder(c, ev->border_width);

/* Clients are not allowed to directly mess with stacking parameters. */

ev->value_mask &= ~(XCB_CONFIG_WINDOW_SIBLING |

XCB_CONFIG_WINDOW_STACK_MODE);

if(c->isbanned)

{

/* We'll be sending protocol geometry, so don't readd borders and titlebar. */

/* We do have to ensure the windows don't end up in the visible screen. */

ev->x = geometry.x = - (geometry.width + 2*c->border);

ev->y = geometry.y = - (geometry.height + 2*c->border);

window_configure(c->win, geometry, c->border);

event_handle_configurerequest_configure_window(ev);

}

else

{

/** Configure request are sent with size relative to real (internal)

geometry = titlebar_geometry_add(c->titlebar, c->border, geometry);

if(client_resize(c, geometry, false))

{

/* All the wiboxes (may) need to be repositioned. */

if(client_hasstrut(c))

wibox_update_positions();

client_need_arrange(c);

}

else

{

/* Resize wasn't officially needed, but we don't want to break expectations. */

geometry = titlebar_geometry_remove(c->titlebar, c->border, c->geometry);

window_configure(c->win, geometry, c->border);

}

}

}

else

event_handle_configurerequest_configure_window(ev);

return 0;

}

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;

}

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);

for(int j = 0; j < globalconf.nscreen; j++)

widget_invalidate_bytype(j, widget_systray);

}

return 0;

}

static void

event_handle_widget_motionnotify(void *object,

widget_t **mouse_over,

widget_t *widget)

{

if(widget != *mouse_over)

{

if(*mouse_over)

{

if((*mouse_over)->mouse_leave != LUA_REFNIL)

{

/* call mouse leave function on old widget */

luaA_wibox_userdata_new(globalconf.L, object);

luaA_dofunction(globalconf.L, (*mouse_over)->mouse_leave, 1, 0);

}

}

if(widget)

{

/* call mouse enter function on new widget and register it */

*mouse_over = widget;

if(widget->mouse_enter != LUA_REFNIL)

{

luaA_wibox_userdata_new(globalconf.L, object);

luaA_dofunction(globalconf.L, widget->mouse_enter, 1, 0);

}

}

}

}

static int

event_handle_motionnotify(void *data __attribute__ ((unused)),

xcb_connection_t *connection,

xcb_motion_notify_event_t *ev)

{

wibox_t *wibox;

widget_t *w;

event_handle_mousegrabber(ev->root_x, ev->root_y, ev->state);

if((wibox = wibox_getbywin(ev->event))

&& (w = widget_getbycoords(wibox->position, &wibox->widgets,

wibox->sw.geometry.width,

wibox->sw.geometry.height,

&ev->event_x, &ev->event_y)))

{

globalconf.pointer_x = ev->root_x;

globalconf.pointer_y = ev->root_y;

event_handle_widget_motionnotify(wibox, &wibox->mouse_over, w);

}

return 0;

}

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((c = client_getbywin(ev->event)))

{

if(globalconf.hooks.mouse_leave != LUA_REFNIL)

{

luaA_client_userdata_new(globalconf.L, c);

luaA_dofunction(globalconf.L, globalconf.hooks.mouse_leave, 1, 0);

}

}

else if((wibox = wibox_getbywin(ev->event)))

{

if(wibox->mouse_over)

{

if(wibox->mouse_over->mouse_leave != LUA_REFNIL)

{

/* call mouse leave function on widget the mouse was over */

luaA_wibox_userdata_new(globalconf.L, wibox);

luaA_dofunction(globalconf.L, wibox->mouse_over->mouse_leave, 1, 0);

}

wibox->mouse_over = NULL;

}

if(wibox->mouse_leave != LUA_REFNIL)

luaA_dofunction(globalconf.L, wibox->mouse_leave, 0, 0);

}

return 0;

}

static int

event_handle_enternotify(void *data __attribute__ ((unused)),

xcb_connection_t *connection,

xcb_enter_notify_event_t *ev)

{

client_t *c;

xembed_window_t *emwin;

widget_t *w;

wibox_t *wibox;

if(ev->mode != XCB_NOTIFY_MODE_NORMAL

|| (ev->root_x == globalconf.pointer_x

&& ev->root_y == globalconf.pointer_y))

return 0;

if((wibox = wibox_getbywin(ev->event)))

{

if((w = widget_getbycoords(wibox->position, &wibox->widgets,

wibox->sw.geometry.width,

wibox->sw.geometry.height,

&ev->event_x, &ev->event_y)))

{

globalconf.pointer_x = ev->root_x;

globalconf.pointer_y = ev->root_y;

event_handle_widget_motionnotify(wibox, &wibox->mouse_over, w);

}

if(wibox->mouse_enter != LUA_REFNIL)

luaA_dofunction(globalconf.L, wibox->mouse_enter, 0, 0);

}

else if((c = client_getbytitlebarwin(ev->event))

|| (c = client_getbywin(ev->event)))

{

window_buttons_grab(c->win, ev->root, &c->buttons);

/* The idea behind saving pointer_x and pointer_y is Bob Marley powered.

globalconf.pointer_x = ev->root_x;

globalconf.pointer_y = ev->root_y;

if(globalconf.hooks.mouse_enter != LUA_REFNIL)

{

luaA_client_userdata_new(globalconf.L, c);

luaA_dofunction(globalconf.L, globalconf.hooks.mouse_enter, 1, 0);

}

}

else if((emwin = xembed_getbywin(&globalconf.embedded, ev->event)))

xcb_ungrab_button(globalconf.connection, XCB_BUTTON_INDEX_ANY,

xutil_screen_get(connection, emwin->phys_screen)->root,

XCB_BUTTON_MASK_ANY);

else if(ev->event == ev->root)

window_root_buttons_grab(ev->root);

return 0;

}

static int

event_handle_focusin(void *data __attribute__ ((unused)),

xcb_connection_t *connection,

xcb_focus_in_event_t *ev)

{

/* filter focus-in events */

if (ev->detail != XCB_NOTIFY_DETAIL_NONLINEAR)

return 0;

client_t *c;

if((c = client_getbytitlebarwin(ev->event))

|| (c = client_getbywin(ev->event)))

client_focus(c, false);

return 0;

}

static int

event_handle_expose(void *data __attribute__ ((unused)),

xcb_connection_t *connection __attribute__ ((unused)),

xcb_expose_event_t *ev)

{

wibox_t *wibox;

if((wibox = wibox_getbywin(ev->window)))

simplewindow_refresh_pixmap_partial(&wibox->sw,

ev->x, ev->y,

ev->width, ev->height);

return 0;

}

static int

event_handle_key(void *data __attribute__ ((unused)),

xcb_connection_t *connection __attribute__ ((unused)),

xcb_key_press_event_t *ev)

{

client_t *c;

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 if((c = client_getbywin(ev->event)))

{

keyb_t *k = key_find(&c->keys, ev);

if(k)

switch(ev->response_type)

{

case XCB_KEY_PRESS:

if(k->press != LUA_REFNIL)

{

luaA_client_userdata_new(globalconf.L, c);

luaA_dofunction(globalconf.L, k->press, 1, 0);

}

break;

case XCB_KEY_RELEASE:

if(k->release != LUA_REFNIL)

{

luaA_client_userdata_new(globalconf.L, c);

luaA_dofunction(globalconf.L, k->release, 1, 0);

}

break;

}

}

else

{

keyb_t *k = key_find(&globalconf.keys, ev);

if(k)

switch(ev->response_type)

{

case XCB_KEY_PRESS:

if(k->press != LUA_REFNIL)

luaA_dofunction(globalconf.L, k->press, 0, 0);

break;

case XCB_KEY_RELEASE:

if(k->release != LUA_REFNIL)

luaA_dofunction(globalconf.L, k->release, 0, 0);

break;

}

}

return 0;

}

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->ishidden)

{

client_setminimized(c, false);

/* 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;

}

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)

&& window_state_get_reply(window_state_get_unchecked(c->win)) == 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);

for(int j = 0; j < globalconf.nscreen; j++)

widget_invalidate_bytype(j, widget_systray);

}

return 0;

}

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)

{

if(!globalconf.have_randr)

return -1;

/* Code of XRRUpdateConfiguration Xlib function ported to XCB

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

awesome_restart();

return 0;

}

static int

event_handle_clientmessage(void *data __attribute__ ((unused)),

xcb_connection_t *connection,

xcb_client_message_event_t *ev)

{

client_t *c;

if(ev->type == WM_CHANGE_STATE)

{

if((c = client_getbywin(ev->window))

&& ev->format == 32

&& ev->data.data32[0] == XCB_WM_STATE_ICONIC)

client_setminimized(c, true);

}

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);

}

static int

event_handle_mappingnotify(void *data,

xcb_connection_t *connection,

xcb_mapping_notify_event_t *ev)

{

xcb_get_modifier_mapping_cookie_t xmapping_cookie;

if(ev->request == XCB_MAPPING_MODIFIER

|| ev->request == XCB_MAPPING_KEYBOARD)

{

/* Send the request to get the NumLock, ShiftLock and CapsLock masks */

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);

/* Process the reply of previously sent mapping request */

xutil_lock_mask_get(globalconf.connection, xmapping_cookie,

globalconf.keysyms, &globalconf.numlockmask,

&globalconf.shiftlockmask, &globalconf.capslockmask);

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);

}

for(client_t *c = globalconf.clients; c; c = c->next)

{

xcb_ungrab_key(connection, XCB_GRAB_ANY, c->win, XCB_BUTTON_MASK_ANY);

window_grabkeys(c->win, &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((globalconf.have_randr = 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);

}