Fix project manager stealing focus on i3

platform/linuxbsd/x11/display_server_x11.cpp

@@ -2998,7 +2998,11 @@ bool DisplayServerX11::window_is_focused(WindowID p_window) const {
 
 	const WindowData &wd = windows[p_window];
 
-	return wd.focused;
+	Window focused_window;
+	int focus_ret_state;
+	XGetInputFocus(x11_display, &focused_window, &focus_ret_state);
+
+	return wd.x11_window == focused_window;
 }
 
 bool DisplayServerX11::window_can_draw(WindowID p_window) const {

scene/gui/line_edit.cpp

@@ -103,7 +103,7 @@ void LineEdit::_close_ime_window() {
 
 void LineEdit::_update_ime_window_position() {
 	DisplayServer::WindowID wid = get_window() ? get_window()->get_window_id() : DisplayServer::INVALID_WINDOW_ID;
-	if (wid == DisplayServer::INVALID_WINDOW_ID || !DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_IME)) {
+	if (wid == DisplayServer::INVALID_WINDOW_ID || !DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_IME) || !DisplayServer::get_singleton()->window_is_focused(wid)) {
 		return;
 	}
 	DisplayServer::get_singleton()->window_set_ime_active(true, wid);

scene/gui/text_edit.cpp

@@ -2958,7 +2958,7 @@ void TextEdit::_close_ime_window() {
 
 void TextEdit::_update_ime_window_position() {
 	DisplayServer::WindowID wid = get_window() ? get_window()->get_window_id() : DisplayServer::INVALID_WINDOW_ID;
-	if (wid == DisplayServer::INVALID_WINDOW_ID || !DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_IME)) {
+	if (wid == DisplayServer::INVALID_WINDOW_ID || !DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_IME) || !DisplayServer::get_singleton()->window_is_focused(wid)) {
 		return;
 	}
 	DisplayServer::get_singleton()->window_set_ime_active(true, wid);