QTC_EXPORT xcb_screen_t*
(qtcX11GetScreen)(int screen_no)
{
if (screen_no == -1 || screen_no == qtc_default_screen_no) {
return qtc_default_screen;
}
if (qtcUnlikely(!qtc_xcb_conn)) {
return NULL;
}
return screen_of_display(qtc_xcb_conn, screen_no);
}
QTC_EXPORT void
qtcX11InitXcb(xcb_connection_t *conn, int screen_no)
{
if (qtcUnlikely(qtc_xcb_conn) || !conn) {
return;
}
if (screen_no < 0) {
screen_no = 0;
}
qtc_xcb_conn = conn;
qtc_default_screen_no = screen_no;
qtc_default_screen = screen_of_display(conn, screen_no);
if (qtc_default_screen) {
qtc_root_window = qtc_default_screen->root;
}
const size_t base_len = strlen("_NET_WM_CM_S");
sprintf(wm_cm_s_atom_name + base_len, "%d", screen_no);
qtcX11GetAtoms(_QTC_X11_ATOM_NUMBER, qtc_x11_atoms,
qtc_x11_atom_names, true);
qtcX11ShadowInit();
}
/**
* Get pointer to the default xcb screen
*/
xcb_screen_t* connection::screen() {
if (m_screen == nullptr)
m_screen = screen_of_display(default_screen());
return m_screen;
}