bool KWinKScreenHelperEffect::checkValid()
{
#ifdef HAVE_XCB
if (QX11Info::isPlatformX11()) {
QScopedPointer<xcb_list_properties_reply_t, QScopedPointerPodDeleter> propsReply(xcb_list_properties_reply(QX11Info::connection(),
xcb_list_properties_unchecked(QX11Info::connection(), QX11Info::appRootWindow()),
NULL));
QScopedPointer<xcb_intern_atom_reply_t, QScopedPointerPodDeleter> atomReply(xcb_intern_atom_reply(QX11Info::connection(),
xcb_intern_atom_unchecked(QX11Info::connection(), false, 25, "_KDE_KWIN_KSCREEN_SUPPORT"),
NULL));
if (propsReply.isNull() || atomReply.isNull()) {
return false;
}
auto *atoms = xcb_list_properties_atoms(propsReply.data());
for (int i = 0; i < propsReply->atoms_len; ++i) {
if (atoms[i] == atomReply->atom) {
m_atom = atomReply->atom;
return true;
}
}
m_atom = 0;
return false;
}
#endif
return false;
}
EAPI Ecore_X_Atom *
ecore_x_window_prop_list(Ecore_X_Window win,
int *num)
{
xcb_list_properties_cookie_t cookie;
xcb_list_properties_reply_t *reply;
xcb_atom_t *atm;
Ecore_X_Atom *atoms;
int i = 0;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (num) *num = 0;
cookie = xcb_list_properties_unchecked(_ecore_xcb_conn, win);
reply = xcb_list_properties_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return NULL;
atoms = (Ecore_X_Atom *)malloc(reply->atoms_len * sizeof(Ecore_X_Atom));
if (!atoms)
{
free(reply);
return NULL;
}
atm = xcb_list_properties_atoms(reply);
for (i = 0; i < reply->atoms_len; i++)
atoms[i] = atm[i];
if (num) *num = reply->atoms_len;
free(reply);
return atoms;
}
/**
* Sends the ListProperties request.
* @param window Window whose properties are requested.
*/
EAPI void
ecore_x_window_prop_list_prefetch(Ecore_X_Window window)
{
xcb_list_properties_cookie_t cookie;
cookie = xcb_list_properties_unchecked(_ecore_xcb_conn, window);
_ecore_xcb_cookie_cache(cookie.sequence);
} /* ecore_x_window_prop_list_prefetch */