Add a separate application focus/in notification out from Window focus notification.

editor/editor_node.cpp

@@ -435,14 +435,14 @@ void EditorNode::_notification(int p_what) {
 			/* DO NOT LOAD SCENES HERE, WAIT FOR FILE SCANNING AND REIMPORT TO COMPLETE */
 		} break;
 
-		case NOTIFICATION_WM_FOCUS_IN: {
+		case NOTIFICATION_APPLICATION_FOCUS_IN: {
 			// Restore the original FPS cap after focusing back on the editor
 			OS::get_singleton()->set_low_processor_usage_mode_sleep_usec(int(EDITOR_GET("interface/editor/low_processor_mode_sleep_usec")));
 
 			EditorFileSystem::get_singleton()->scan_changes();
 		} break;
 
-		case NOTIFICATION_WM_FOCUS_OUT: {
+		case NOTIFICATION_APPLICATION_FOCUS_OUT: {
 			// Set a low FPS cap to decrease CPU/GPU usage while the editor is unfocused
 			OS::get_singleton()->set_low_processor_usage_mode_sleep_usec(int(EDITOR_GET("interface/editor/unfocused_low_processor_mode_sleep_usec")));
 		} break;

editor/editor_plugin_settings.cpp

@@ -39,7 +39,7 @@
 #include "scene/gui/margin_container.h"
 
 void EditorPluginSettings::_notification(int p_what) {
-	if (p_what == NOTIFICATION_WM_FOCUS_IN) {
+	if (p_what == NOTIFICATION_WM_WINDOW_FOCUS_IN) {
 		update_plugins();
 	} else if (p_what == Node::NOTIFICATION_READY) {
 		plugin_config_dialog->connect_compat("plugin_ready", EditorNode::get_singleton(), "_on_plugin_ready");

editor/editor_spin_slider.cpp

@@ -182,8 +182,8 @@ void EditorSpinSlider::_grabber_gui_input(const Ref<InputEvent> &p_event) {
 }
 
 void EditorSpinSlider::_notification(int p_what) {
-	if (p_what == NOTIFICATION_WM_FOCUS_OUT ||
-			p_what == NOTIFICATION_WM_FOCUS_IN ||
+	if (p_what == NOTIFICATION_WM_WINDOW_FOCUS_OUT ||
+			p_what == NOTIFICATION_WM_WINDOW_FOCUS_IN ||
 			p_what == NOTIFICATION_EXIT_TREE) {
 		if (grabbing_spinner) {
 			grabber->hide();

editor/plugins/script_editor_plugin.cpp

@@ -1337,7 +1337,7 @@ void ScriptEditor::_notification(int p_what) {
 			editor->disconnect("stop_pressed", callable_mp(this, &ScriptEditor::_editor_stop));
 		} break;
 
-		case NOTIFICATION_WM_FOCUS_IN: {
+		case NOTIFICATION_WM_WINDOW_FOCUS_IN: {
 			_test_script_times_on_disk();
 			_update_modified_scripts_for_external_editor();
 		} break;

editor/plugins/shader_editor_plugin.cpp

@@ -338,7 +338,7 @@ void ShaderEditor::_menu_option(int p_option) {
 }
 
 void ShaderEditor::_notification(int p_what) {
-	if (p_what == NOTIFICATION_WM_FOCUS_IN) {
+	if (p_what == NOTIFICATION_WM_WINDOW_FOCUS_IN) {
 		_check_for_external_edit();
 	}
 }

editor/plugins/shader_file_editor_plugin.cpp

@@ -200,7 +200,7 @@ void ShaderFileEditor::_update_options() {
 }
 
 void ShaderFileEditor::_notification(int p_what) {
-	if (p_what == NOTIFICATION_WM_FOCUS_IN) {
+	if (p_what == NOTIFICATION_WM_WINDOW_FOCUS_IN) {
 		if (is_visible_in_tree() && shader_file.is_valid()) {
 			_update_options();
 		}

editor/plugins/texture_region_editor_plugin.cpp

@@ -780,7 +780,7 @@ void TextureRegionEditor::_notification(int p_what) {
 				_update_autoslice();
 			}
 		} break;
-		case NOTIFICATION_WM_FOCUS_IN: {
+		case NOTIFICATION_WM_WINDOW_FOCUS_IN: {
 			// This happens when the user leaves the Editor and returns,
 			// they could have changed the textures, so the cache is cleared.
 			cache_map.clear();