static void
ephyrXcbNotify(int fd, int ready, void *data)
{
xcb_connection_t *conn = hostx_get_xcbconn();
while (TRUE) {
xcb_generic_event_t *xev = xcb_poll_for_event(conn);
if (!xev) {
/* If our XCB connection has died (for example, our window was
* closed), exit now.
*/
if (xcb_connection_has_error(conn)) {
CloseWellKnownConnections();
OsCleanup(1);
exit(1);
}
break;
}
switch (xev->response_type & 0x7f) {
case 0:
ephyrProcessErrorEvent(xev);
break;
case XCB_EXPOSE:
ephyrProcessExpose(xev);
break;
case XCB_MOTION_NOTIFY:
ephyrProcessMouseMotion(xev);
break;
case XCB_KEY_PRESS:
ephyrProcessKeyPress(xev);
break;
case XCB_KEY_RELEASE:
ephyrProcessKeyRelease(xev);
break;
case XCB_BUTTON_PRESS:
ephyrProcessButtonPress(xev);
break;
case XCB_BUTTON_RELEASE:
ephyrProcessButtonRelease(xev);
break;
case XCB_CONFIGURE_NOTIFY:
ephyrProcessConfigureNotify(xev);
break;
}
if (ephyr_glamor)
ephyr_glamor_process_event(xev);
free(xev);
}
}
Bool
host_has_extension(xcb_extension_t *extension)
{
const xcb_query_extension_reply_t *rep;
rep = xcb_get_extension_data(hostx_get_xcbconn(), extension);
return rep && rep->present;
}
static void
ephyrProcessKeyRelease(xcb_generic_event_t *xev)
{
xcb_connection_t *conn = hostx_get_xcbconn();
xcb_key_release_event_t *key = (xcb_key_release_event_t *)xev;
static xcb_key_symbols_t *keysyms;
static int grabbed_screen = -1;
int mod1_down = ephyrUpdateGrabModifierState(key->state);
if (!keysyms)
keysyms = xcb_key_symbols_alloc(conn);
if (!EphyrWantNoHostGrab &&
(((xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Shift_L
|| xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Shift_R)
&& (key->state & XCB_MOD_MASK_CONTROL)) ||
((xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Control_L
|| xcb_key_symbols_get_keysym(keysyms, key->detail, 0) == XK_Control_R)
&& (key->state & XCB_MOD_MASK_SHIFT)))) {
KdScreenInfo *screen = screen_from_window(key->event);
EphyrScrPriv *scrpriv = screen->driver;
if (grabbed_screen != -1) {
xcb_ungrab_keyboard(conn, XCB_TIME_CURRENT_TIME);
xcb_ungrab_pointer(conn, XCB_TIME_CURRENT_TIME);
grabbed_screen = -1;
hostx_set_win_title(screen,
"(ctrl+shift grabs mouse and keyboard)");
}
else if (!mod1_down) {
/* Attempt grab */
xcb_grab_keyboard_cookie_t kbgrabc =
xcb_grab_keyboard(conn,
TRUE,
scrpriv->win,
XCB_TIME_CURRENT_TIME,
XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC);
xcb_grab_keyboard_reply_t *kbgrabr;
xcb_grab_pointer_cookie_t pgrabc =
xcb_grab_pointer(conn,
TRUE,
scrpriv->win,
0,
XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC,
scrpriv->win,
XCB_NONE,
XCB_TIME_CURRENT_TIME);
xcb_grab_pointer_reply_t *pgrabr;
kbgrabr = xcb_grab_keyboard_reply(conn, kbgrabc, NULL);
if (!kbgrabr || kbgrabr->status != XCB_GRAB_STATUS_SUCCESS) {
xcb_discard_reply(conn, pgrabc.sequence);
xcb_ungrab_pointer(conn, XCB_TIME_CURRENT_TIME);
} else {
pgrabr = xcb_grab_pointer_reply(conn, pgrabc, NULL);
if (!pgrabr || pgrabr->status != XCB_GRAB_STATUS_SUCCESS)
{
xcb_ungrab_keyboard(conn,
XCB_TIME_CURRENT_TIME);
} else {
grabbed_screen = scrpriv->mynum;
hostx_set_win_title
(screen,
"(ctrl+shift releases mouse and keyboard)");
}
}
}
}
if (!ephyrKbd ||
!((EphyrKbdPrivate *) ephyrKbd->driverPrivate)->enabled) {
return;
}
/* Still send the release event even if above has happened server
* will get confused with just an up event. Maybe it would be
* better to just block shift+ctrls getting to kdrive all
* together.
*/
ephyrUpdateModifierState(key->state);
KdEnqueueKeyboardEvent(ephyrKbd, key->detail, TRUE);
}
static void
ephyrXcbProcessEvents(Bool queued_only)
{
xcb_connection_t *conn = hostx_get_xcbconn();
xcb_generic_event_t *expose = NULL, *configure = NULL;
while (TRUE) {
xcb_generic_event_t *xev = hostx_get_event(queued_only);
if (!xev) {
/* If our XCB connection has died (for example, our window was
* closed), exit now.
*/
if (xcb_connection_has_error(conn)) {
CloseWellKnownConnections();
OsCleanup(1);
exit(1);
}
break;
}
switch (xev->response_type & 0x7f) {
case 0:
ephyrProcessErrorEvent(xev);
break;
case XCB_EXPOSE:
free(expose);
expose = xev;
xev = NULL;
break;
case XCB_MOTION_NOTIFY:
ephyrProcessMouseMotion(xev);
break;
case XCB_KEY_PRESS:
ephyrProcessKeyPress(xev);
break;
case XCB_KEY_RELEASE:
ephyrProcessKeyRelease(xev);
break;
case XCB_BUTTON_PRESS:
ephyrProcessButtonPress(xev);
break;
case XCB_BUTTON_RELEASE:
ephyrProcessButtonRelease(xev);
break;
case XCB_CONFIGURE_NOTIFY:
free(configure);
configure = xev;
xev = NULL;
break;
}
if (xev) {
if (ephyr_glamor)
ephyr_glamor_process_event(xev);
free(xev);
}
}
if (configure) {
ephyrProcessConfigureNotify(configure);
free(configure);
}
if (expose) {
ephyrProcessExpose(expose);
free(expose);
}
}
