void X11WindowedBackend::grabKeyboard(xcb_timestamp_t time)
{
const bool oldState = m_keyboardGrabbed;
if (m_keyboardGrabbed) {
xcb_ungrab_keyboard(m_connection, time);
xcb_ungrab_pointer(m_connection, time);
m_keyboardGrabbed = false;
} else {
const auto c = xcb_grab_keyboard_unchecked(m_connection, false, window(), time,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
ScopedCPointer<xcb_grab_keyboard_reply_t> grab(xcb_grab_keyboard_reply(m_connection, c, nullptr));
if (grab.isNull()) {
return;
}
if (grab->status == XCB_GRAB_STATUS_SUCCESS) {
const auto c = xcb_grab_pointer_unchecked(m_connection, false, window(),
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
window(), XCB_CURSOR_NONE, time);
ScopedCPointer<xcb_grab_pointer_reply_t> grab(xcb_grab_pointer_reply(m_connection, c, nullptr));
if (grab.isNull() || grab->status != XCB_GRAB_STATUS_SUCCESS) {
xcb_ungrab_keyboard(m_connection, time);
return;
}
m_keyboardGrabbed = true;
}
}
if (oldState != m_keyboardGrabbed) {
updateWindowTitle();
xcb_flush(m_connection);
}
}
bool grabXKeyboard(xcb_window_t w)
{
if (QWidget::keyboardGrabber() != NULL)
return false;
if (keyboard_grabbed)
return false;
if (qApp->activePopupWidget() != NULL)
return false;
if (w == XCB_WINDOW_NONE)
w = rootWindow();
const xcb_grab_keyboard_cookie_t c = xcb_grab_keyboard_unchecked(connection(), false, w, xTime(),
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
ScopedCPointer<xcb_grab_keyboard_reply_t> grab(xcb_grab_keyboard_reply(connection(), c, NULL));
if (grab.isNull()) {
return false;
}
if (grab->status != XCB_GRAB_STATUS_SUCCESS) {
return false;
}
keyboard_grabbed = true;
return true;
}
static void
towel_window_grab_input(towel_window_t *win)
{
xcb_grab_pointer_cookie_t pointer_cookie;
xcb_grab_keyboard_cookie_t keyboard_cookie;
xcb_grab_pointer_reply_t *pointer_reply;
xcb_grab_keyboard_reply_t *keyboard_reply;
pointer_cookie = xcb_grab_pointer_unchecked(win->conn, 0, win->id,
XCB_EVENT_MASK_NO_EVENT,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
win->id,
XCB_CURSOR_NONE, XCB_TIME_CURRENT_TIME);
keyboard_cookie = xcb_grab_keyboard_unchecked(win->conn, 0, win->id,
XCB_TIME_CURRENT_TIME,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
pointer_reply = xcb_grab_pointer_reply(win->conn, pointer_cookie, NULL);
keyboard_reply = xcb_grab_keyboard_reply(win->conn, keyboard_cookie, NULL);
#if DEBUG
fprintf(stderr, "p: %d, k: %d\n", pointer_reply->status, keyboard_reply->status);
#endif
free(pointer_reply);
free(keyboard_reply);
}
static void
_e_alert_display(void)
{
xcb_char2b_t *str = NULL;
xcb_query_text_extents_cookie_t cookie;
xcb_query_text_extents_reply_t *reply;
int x = 0, w = 0;
tainted = _e_alert_root_tainted_get();
str = _e_alert_build_string(title);
cookie =
xcb_query_text_extents_unchecked(conn, font, strlen(title), str);
reply = xcb_query_text_extents_reply(conn, cookie, NULL);
if (reply)
{
fa = reply->font_ascent;
fh = (fa + reply->font_descent);
fw = reply->overall_width;
free(reply);
}
free(str);
/* move buttons */
x = 20;
w = (WINDOW_WIDTH / 2) - 40;
_e_alert_button_move_resize(btn1, x, WINDOW_HEIGHT - 20 - (fh + 20),
w, (fh + 20));
x = ((WINDOW_WIDTH / 2) + 20);
_e_alert_button_move_resize(btn2, x, WINDOW_HEIGHT - 20 - (fh + 20),
w, (fh + 20));
comp_win = _e_alert_comp_win_get();
if (comp_win)
{
xcb_rectangle_t rect;
int wx = 0, wy = 0;
wx = ((sw - WINDOW_WIDTH) / 2);
wy = ((sh - WINDOW_HEIGHT) / 2);
rect.x = wx;
rect.y = wy;
rect.width = WINDOW_WIDTH;
rect.height = WINDOW_HEIGHT;
xcb_shape_rectangles(conn, XCB_SHAPE_SO_SET,
XCB_SHAPE_SK_INPUT, XCB_CLIP_ORDERING_UNSORTED,
comp_win, 0, 0, 1, &rect);
xcb_reparent_window(conn, win, comp_win, wx, wy);
}
/* map and raise main window */
xcb_map_window(conn, win);
_e_alert_window_raise(win);
/* grab pointer & keyboard */
xcb_grab_pointer_unchecked(conn, 0, win,
(XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE),
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
XCB_NONE, XCB_NONE, XCB_CURRENT_TIME);
xcb_grab_keyboard_unchecked(conn, 0, win, XCB_CURRENT_TIME,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
win, XCB_CURRENT_TIME);
/* flush screen */
xcb_flush(conn);
/* sync */
_e_alert_sync();
}