/*
* Instead of polling the X connection socket we leave this to
* xcb_poll_for_event() which knows better than we can ever know.
*
*/
static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
xcb_generic_event_t *event;
while ((event = xcb_poll_for_event(conn)) != NULL) {
if (event->response_type == 0) {
xcb_generic_error_t *error = (xcb_generic_error_t*)event;
if (debug_mode)
fprintf(stderr, "X11 Error received! sequence 0x%x, error_code = %d\n",
error->sequence, error->error_code);
free(event);
continue;
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
switch (type) {
case XCB_KEY_PRESS:
handle_key_press((xcb_key_press_event_t*)event);
break;
case XCB_KEY_RELEASE:
handle_key_release((xcb_key_release_event_t*)event);
/* If this was the backspace or escape key we are back at an
* empty input, so turn off the screen if DPMS is enabled */
if (dpms && input_position == 0)
dpms_turn_off_screen(conn);
break;
case XCB_VISIBILITY_NOTIFY:
handle_visibility_notify((xcb_visibility_notify_event_t*)event);
break;
case XCB_MAP_NOTIFY:
if (!dont_fork) {
/* After the first MapNotify, we never fork again. We don’t
* expect to get another MapNotify, but better be sure… */
dont_fork = true;
/* In the parent process, we exit */
if (fork() != 0)
exit(0);
ev_loop_fork(EV_DEFAULT);
}
break;
case XCB_MAPPING_NOTIFY:
handle_mapping_notify((xcb_mapping_notify_event_t*)event);
break;
case XCB_CONFIGURE_NOTIFY:
handle_screen_resize();
break;
}
free(event);
}
}
/*
* Instead of polling the X connection socket we leave this to
* xcb_poll_for_event() which knows better than we can ever know.
*
*/
static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
xcb_generic_event_t *event;
while ((event = xcb_poll_for_event(conn)) != NULL) {
if (event->response_type == 0) {
xcb_generic_error_t *error = (xcb_generic_error_t*)event;
if (debug_mode)
fprintf(stderr, "X11 Error received! sequence 0x%x, error_code = %d\n",
error->sequence, error->error_code);
free(event);
continue;
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
switch (type) {
case XCB_KEY_PRESS:
handle_key_press((xcb_key_press_event_t*)event);
break;
case XCB_KEY_RELEASE:
/* If this was the backspace or escape key we are back at an
* empty input, so turn off the screen if DPMS is enabled, but
* only do that after some timeout: maybe user mistyped and
* will type again right away */
START_TIMER(dpms_timeout, TSTAMP_N_SECS(inactivity_timeout),
turn_off_monitors_cb);
break;
case XCB_VISIBILITY_NOTIFY:
handle_visibility_notify(conn, (xcb_visibility_notify_event_t*)event);
break;
case XCB_MAP_NOTIFY:
if (!dont_fork) {
/* After the first MapNotify, we never fork again. We don’t
* expect to get another MapNotify, but better be sure… */
dont_fork = true;
/* In the parent process, we exit */
if (fork() != 0)
exit(0);
ev_loop_fork(EV_DEFAULT);
}
break;
case XCB_CONFIGURE_NOTIFY:
handle_screen_resize();
break;
default:
if (type == xkb_base_event)
process_xkb_event(event);
}
free(event);
}
}
/*
* Instead of polling the X connection socket we leave this to
* xcb_poll_for_event() which knows better than we can ever know.
*
*/
static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
xcb_generic_event_t *event;
if (xcb_connection_has_error(conn))
errx(EXIT_FAILURE, "X11 connection broke, did your server terminate?\n");
while ((event = xcb_poll_for_event(conn)) != NULL) {
if (event->response_type == 0) {
xcb_generic_error_t *error = (xcb_generic_error_t *)event;
if (debug_mode)
fprintf(stderr, "X11 Error received! sequence 0x%x, error_code = %d\n",
error->sequence, error->error_code);
free(event);
continue;
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
switch (type) {
case XCB_BUTTON_PRESS:
handle_button_press((xcb_button_press_event_t *)event);
break;
case XCB_KEY_PRESS:
handle_key_press((xcb_key_press_event_t *)event);
break;
case XCB_VISIBILITY_NOTIFY:
handle_visibility_notify(conn, (xcb_visibility_notify_event_t *)event);
break;
case XCB_MAP_NOTIFY:
if (!dont_fork) {
/* After the first MapNotify, we never fork again. We don’t
* expect to get another MapNotify, but better be sure… */
dont_fork = true;
/* In the parent process, we exit */
if (fork() != 0)
exit(0);
ev_loop_fork(EV_DEFAULT);
}
break;
case XCB_CONFIGURE_NOTIFY:
handle_screen_resize();
break;
default:
if (type == xkb_base_event)
process_xkb_event(event);
}
free(event);
}
}
/*
* This function is called from a fork()ed child and will raise the i3lock
* window when the window is obscured, even when the main i3lock process is
* blocked due to PAM.
*
*/
static void raise_loop(xcb_window_t window) {
xcb_connection_t *conn;
xcb_generic_event_t *event;
int screens;
if ((conn = xcb_connect(NULL, &screens)) == NULL ||
xcb_connection_has_error(conn))
errx(EXIT_FAILURE, "Cannot open display\n");
/* We need to know about the window being obscured or getting destroyed. */
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK,
(uint32_t[]){XCB_EVENT_MASK_VISIBILITY_CHANGE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY});
xcb_flush(conn);
DEBUG("Watching window 0x%08x\n", window);
while ((event = xcb_wait_for_event(conn)) != NULL) {
if (event->response_type == 0) {
xcb_generic_error_t *error = (xcb_generic_error_t *)event;
DEBUG("X11 Error received! sequence 0x%x, error_code = %d\n",
error->sequence, error->error_code);
free(event);
continue;
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
DEBUG("Read event of type %d\n", type);
switch (type) {
case XCB_VISIBILITY_NOTIFY:
handle_visibility_notify(
conn, (xcb_visibility_notify_event_t *)event);
break;
case XCB_UNMAP_NOTIFY:
DEBUG("UnmapNotify for 0x%08x\n",
(((xcb_unmap_notify_event_t *)event)->window));
if (((xcb_unmap_notify_event_t *)event)->window == window)
exit(EXIT_SUCCESS);
break;
case XCB_DESTROY_NOTIFY:
DEBUG("DestroyNotify for 0x%08x\n",
(((xcb_destroy_notify_event_t *)event)->window));
if (((xcb_destroy_notify_event_t *)event)->window == window)
exit(EXIT_SUCCESS);
break;
default:
DEBUG("Unhandled event type %d\n", type);
break;
}
free(event);
}
}
/*
* Instead of polling the X connection socket we leave this to
* xcb_poll_for_event() which knows better than we can ever know.
*
*/
static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
xcb_generic_event_t *event;
if (xcb_connection_has_error(conn))
errx(EXIT_FAILURE,
"X11 connection broke, did your server terminate?\n");
while ((event = xcb_poll_for_event(conn)) != NULL) {
if (event->response_type == 0) {
xcb_generic_error_t *error = (xcb_generic_error_t *)event;
/* Ignore errors when damage report is about destroyed window
* or damage object is created for already destroyed window */
if (error->major_code == dam_ext_data->major_opcode &&
(error->minor_code == XCB_DAMAGE_SUBTRACT ||
error->minor_code == XCB_DAMAGE_CREATE)) {
free(event);
continue;
}
if (debug_mode)
fprintf(stderr, "X11 Error received! sequence 0x%x, error_code "
"= %d, major = 0x%x, minor = 0x%x\n",
error->sequence, error->error_code, error->major_code,
error->minor_code);
free(event);
continue;
}
if (fuzzy &&
event->response_type ==
dam_ext_data->first_event + XCB_DAMAGE_NOTIFY) {
xcb_damage_notify_event_t *ev = (xcb_damage_notify_event_t *)event;
xcb_damage_subtract(conn, ev->damage, XCB_NONE, XCB_NONE);
redraw_screen();
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
switch (type) {
case XCB_KEY_PRESS:
handle_key_press((xcb_key_press_event_t *)event);
break;
case XCB_VISIBILITY_NOTIFY:
handle_visibility_notify(
conn, (xcb_visibility_notify_event_t *)event);
break;
case XCB_MAP_NOTIFY:
handle_map_notify((xcb_map_notify_event_t *)event);
break;
case XCB_CONFIGURE_NOTIFY:
handle_screen_resize();
break;
default:
if (type == xkb_base_event)
process_xkb_event(event);
}
free(event);
}
}