Consolidate remembering window settings into single config

doc/classes/EditorSettings.xml

@@ -772,7 +772,7 @@
 			Translations are provided by the community. If you spot a mistake, [url=$DOCS_URL/contributing/documentation/editor_and_docs_localization.html]contribute to editor translations on Weblate![/url]
 		</member>
 		<member name="interface/editor/editor_screen" type="int" setter="" getter="">
-			The preferred monitor to display the editor.
+			The preferred monitor to display the editor. If [b]Auto[/b], the editor will remember the last screen it was displayed on across restarts.
 		</member>
 		<member name="interface/editor/expand_to_title" type="bool" setter="" getter="">
 			Expanding main editor window content to the title, if supported by [DisplayServer]. See [constant DisplayServer.WINDOW_FLAG_EXTEND_TO_TITLE].
@@ -826,9 +826,6 @@
 		<member name="interface/editor/project_manager_screen" type="int" setter="" getter="">
 			The preferred monitor to display the project manager.
 		</member>
-		<member name="interface/editor/remember_window_size_and_position" type="bool" setter="" getter="">
-			If [code]true[/code], the editor window will remember its size, position, and which screen it was displayed on across restarts.
-		</member>
 		<member name="interface/editor/save_each_scene_on_quit" type="bool" setter="" getter="">
 			If [code]false[/code], the editor will save all scenes when confirming the [b]Save[/b] action when quitting the editor or quitting to the project list. If [code]true[/code], the editor will ask to save each scene individually.
 		</member>

editor/editor_settings.cpp

@@ -426,12 +426,17 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	EDITOR_SETTING_USAGE(Variant::INT, PROPERTY_HINT_ENUM, "interface/editor/display_scale", 0, display_scale_hint_string, PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED | PROPERTY_USAGE_EDITOR_BASIC_SETTING)
 	EDITOR_SETTING_USAGE(Variant::FLOAT, PROPERTY_HINT_RANGE, "interface/editor/custom_display_scale", 1.0, "0.5,3,0.01", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED | PROPERTY_USAGE_EDITOR_BASIC_SETTING)
 
-	String ed_screen_hints = "Screen With Mouse Pointer:-4,Screen With Keyboard Focus:-3,Primary Screen:-2"; // Note: Main Window Screen:-1 is not used for the main window.
+	String ed_screen_hints = "Auto (Remembers last position):-5,Screen With Mouse Pointer:-4,Screen With Keyboard Focus:-3,Primary Screen:-2";
 	for (int i = 0; i < DisplayServer::get_singleton()->get_screen_count(); i++) {
 		ed_screen_hints += ",Screen " + itos(i + 1) + ":" + itos(i);
 	}
-	EDITOR_SETTING(Variant::INT, PROPERTY_HINT_ENUM, "interface/editor/editor_screen", -2, ed_screen_hints)
-	EDITOR_SETTING(Variant::INT, PROPERTY_HINT_ENUM, "interface/editor/project_manager_screen", -2, ed_screen_hints)
+	EDITOR_SETTING(Variant::INT, PROPERTY_HINT_ENUM, "interface/editor/editor_screen", EditorSettings::InitialScreen::INITIAL_SCREEN_AUTO, ed_screen_hints)
+
+	String project_manager_screen_hints = "Screen With Mouse Pointer:-4,Screen With Keyboard Focus:-3,Primary Screen:-2";
+	for (int i = 0; i < DisplayServer::get_singleton()->get_screen_count(); i++) {
+		project_manager_screen_hints += ",Screen " + itos(i + 1) + ":" + itos(i);
+	}
+	EDITOR_SETTING(Variant::INT, PROPERTY_HINT_ENUM, "interface/editor/project_manager_screen", EditorSettings::InitialScreen::INITIAL_SCREEN_PRIMARY, project_manager_screen_hints)
 
 	{
 		EngineUpdateLabel::UpdateMode default_update_mode = EngineUpdateLabel::UpdateMode::NEWEST_UNSTABLE;
@@ -466,7 +471,6 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	_initial_set("interface/editor/separate_distraction_mode", false, true);
 	_initial_set("interface/editor/automatically_open_screenshots", true, true);
 	EDITOR_SETTING_USAGE(Variant::BOOL, PROPERTY_HINT_NONE, "interface/editor/single_window_mode", false, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED | PROPERTY_USAGE_EDITOR_BASIC_SETTING)
-	_initial_set("interface/editor/remember_window_size_and_position", true, true);
 	_initial_set("interface/editor/mouse_extra_buttons_navigate_history", true);
 	_initial_set("interface/editor/save_each_scene_on_quit", true, true); // Regression
 	EDITOR_SETTING_BASIC(Variant::BOOL, PROPERTY_HINT_NONE, "interface/editor/save_on_focus_loss", false, "")

editor/editor_settings.h

@@ -62,6 +62,13 @@ public:
 		NETWORK_ONLINE,
 	};
 
+	enum InitialScreen {
+		INITIAL_SCREEN_AUTO = -5, // Remembers last screen position.
+		INITIAL_SCREEN_WITH_MOUSE_FOCUS = -4,
+		INITIAL_SCREEN_WITH_KEYBOARD_FOCUS = -3,
+		INITIAL_SCREEN_PRIMARY = -2,
+	};
+
 private:
 	struct VariantContainer {
 		int order = 0;

main/main.cpp

@@ -2755,7 +2755,6 @@ Error Main::setup2(bool p_show_boot_logo) {
 
 					bool prefer_wayland_found = false;
 					bool prefer_wayland = false;
-					bool remember_window_size_and_position_found = false;
 
 					if (editor) {
 						screen_property = "interface/editor/editor_screen";
@@ -2771,7 +2770,7 @@ Error Main::setup2(bool p_show_boot_logo) {
 						prefer_wayland_found = true;
 					}
 
-					while (!screen_found || !prefer_wayland_found || !remember_window_size_and_position_found) {
+					while (!screen_found || !prefer_wayland_found) {
 						assign = Variant();
 						next_tag.fields.clear();
 						next_tag.name = String();
@@ -2785,17 +2784,16 @@ Error Main::setup2(bool p_show_boot_logo) {
 							if (!screen_found && assign == screen_property) {
 								init_screen = value;
 								screen_found = true;
+
+								if (editor) {
+									restore_editor_window_layout = value.operator int() == EditorSettings::InitialScreen::INITIAL_SCREEN_AUTO;
+								}
 							}
 
 							if (!prefer_wayland_found && assign == "run/platforms/linuxbsd/prefer_wayland") {
 								prefer_wayland = value;
 								prefer_wayland_found = true;
 							}
-
-							if (!remember_window_size_and_position_found && assign == "interface/editor/remember_window_size_and_position") {
-								restore_editor_window_layout = value;
-								remember_window_size_and_position_found = true;
-							}
 						}
 					}
 
@@ -4095,8 +4093,7 @@ int Main::start() {
 			if (editor_embed_subwindows) {
 				sml->get_root()->set_embedding_subwindows(true);
 			}
-			restore_editor_window_layout = EditorSettings::get_singleton()->get_setting(
-					"interface/editor/remember_window_size_and_position");
+			restore_editor_window_layout = EditorSettings::get_singleton()->get_setting("interface/editor/editor_screen").operator int() == EditorSettings::InitialScreen::INITIAL_SCREEN_AUTO;
 		}
 #endif