Fix IME deactivation events not send on focus loss. Do not unset AltGr modifiers in non-IME input.

platform/windows/display_server_windows.cpp

@@ -5438,7 +5438,7 @@ void DisplayServerWindows::_process_key_events() {
 					k->set_physical_keycode(physical_keycode);
 					k->set_key_label(key_label);
 					k->set_unicode(fix_unicode(unicode));
-					if (k->get_unicode() && ke.altgr) {
+					if (k->get_unicode() && ke.altgr && windows[ke.window_id].ime_active) {
 						k->set_alt_pressed(false);
 						k->set_ctrl_pressed(false);
 					}
@@ -5514,7 +5514,7 @@ void DisplayServerWindows::_process_key_events() {
 					}
 					k->set_unicode(fix_unicode(unicode));
 				}
-				if (k->get_unicode() && ke.altgr) {
+				if (k->get_unicode() && ke.altgr && windows[ke.window_id].ime_active) {
 					k->set_alt_pressed(false);
 					k->set_ctrl_pressed(false);
 				}

scene/gui/line_edit.cpp

@@ -128,6 +128,7 @@ bool LineEdit::has_ime_text() const {
 
 void LineEdit::cancel_ime() {
 	if (!has_ime_text()) {
+		_close_ime_window();
 		return;
 	}
 	ime_text = String();
@@ -140,6 +141,7 @@ void LineEdit::cancel_ime() {
 
 void LineEdit::apply_ime() {
 	if (!has_ime_text()) {
+		_close_ime_window();
 		return;
 	}
 

scene/gui/text_edit.cpp

@@ -3169,6 +3169,7 @@ bool TextEdit::has_ime_text() const {
 
 void TextEdit::cancel_ime() {
 	if (!has_ime_text()) {
+		_close_ime_window();
 		return;
 	}
 	ime_text = String();
@@ -3181,6 +3182,7 @@ void TextEdit::cancel_ime() {
 
 void TextEdit::apply_ime() {
 	if (!has_ime_text()) {
+		_close_ime_window();
 		return;
 	}