Restore script editor state between sessions

editor/code_editor.cpp

@@ -1180,17 +1180,57 @@ Variant CodeTextEditor::get_edit_state() {
 	Dictionary state;
 
 	state["scroll_position"] = text_editor->get_v_scroll();
+	state["h_scroll_position"] = text_editor->get_h_scroll();
 	state["column"] = text_editor->cursor_get_column();
 	state["row"] = text_editor->cursor_get_line();
 
+	state["selection"] = get_text_edit()->is_selection_active();
+	if (get_text_edit()->is_selection_active()) {
+		state["selection_from_line"] = text_editor->get_selection_from_line();
+		state["selection_from_column"] = text_editor->get_selection_from_column();
+		state["selection_to_line"] = text_editor->get_selection_to_line();
+		state["selection_to_column"] = text_editor->get_selection_to_column();
+	}
+
+	state["folded_lines"] = text_editor->get_folded_lines();
+	state["breakpoints"] = text_editor->get_breakpoints_array();
+
+	state["syntax_highlighter"] = TTR("Standard");
+	SyntaxHighlighter *syntax_highlighter = text_editor->_get_syntax_highlighting();
+	if (syntax_highlighter) {
+		state["syntax_highlighter"] = syntax_highlighter->get_name();
+	}
+
 	return state;
 }
 
 void CodeTextEditor::set_edit_state(const Variant &p_state) {
 	Dictionary state = p_state;
-	text_editor->cursor_set_column(state["column"]);
+
+	/* update the row first as it sets the column to 0 */
 	text_editor->cursor_set_line(state["row"]);
+	text_editor->cursor_set_column(state["column"]);
 	text_editor->set_v_scroll(state["scroll_position"]);
+	text_editor->set_h_scroll(state["h_scroll_position"]);
+
+	if (state.has("selection")) {
+		text_editor->select(state["selection_from_line"], state["selection_from_column"], state["selection_to_line"], state["selection_to_column"]);
+	}
+
+	if (state.has("folded_lines")) {
+		Vector<int> folded_lines = state["folded_lines"];
+		for (int i = 0; i < folded_lines.size(); i++) {
+			text_editor->fold_line(folded_lines[i]);
+		}
+	}
+
+	if (state.has("breakpoints")) {
+		Array breakpoints = state["breakpoints"];
+		for (int i = 0; i < breakpoints.size(); i++) {
+			text_editor->set_line_as_breakpoint(breakpoints[i], true);
+		}
+	}
+
 	text_editor->grab_focus();
 }
 

editor/editor_node.cpp

@@ -2521,6 +2521,7 @@ int EditorNode::_next_unsaved_scene(bool p_valid_filename, int p_start) {
 void EditorNode::_exit_editor() {
 	exiting = true;
 	resource_preview->stop(); //stop early to avoid crashes
+	_save_docks();
 	get_tree()->quit();
 }
 

editor/plugins/script_editor_plugin.cpp

@@ -2482,22 +2482,33 @@ void ScriptEditor::set_window_layout(Ref<ConfigFile> p_layout) {
 	for (int i = 0; i < scripts.size(); i++) {
 
 		String path = scripts[i];
+
+		Dictionary script_info = scripts[i];
+		if (!script_info.empty()) {
+			path = script_info["path"];
+		}
+
 		if (!FileAccess::exists(path))
 			continue;
 
 		if (extensions.find(path.get_extension())) {
 			Ref<Script> scr = ResourceLoader::load(path);
-			if (scr.is_valid()) {
-				edit(scr);
+			if (!scr.is_valid()) {
 				continue;
 			}
+			edit(scr);
+		} else {
+			Error error;
+			Ref<TextFile> text_file = _load_text_file(path, &error);
+			if (error != OK || !text_file.is_valid()) {
+				continue;
+			}
+			edit(text_file);
 		}
 
-		Error error;
-		Ref<TextFile> text_file = _load_text_file(path, &error);
-		if (error == OK && text_file.is_valid()) {
-			edit(text_file);
-			continue;
+		if (!script_info.empty()) {
+			ScriptEditorBase *se = Object::cast_to<ScriptEditorBase>(tab_container->get_child(i));
+			se->set_edit_state(script_info["state"]);
 		}
 	}
 
@@ -2537,7 +2548,11 @@ void ScriptEditor::get_window_layout(Ref<ConfigFile> p_layout) {
 			if (!path.is_resource_file())
 				continue;
 
-			scripts.push_back(path);
+			Dictionary script_info;
+			script_info["path"] = path;
+			script_info["state"] = se->get_edit_state();
+
+			scripts.push_back(script_info);
 		}
 
 		EditorHelp *eh = Object::cast_to<EditorHelp>(tab_container->get_child(i));

editor/plugins/script_text_editor.cpp

@@ -318,7 +318,6 @@ void ScriptTextEditor::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_READY:
 			_load_theme_settings();
-			_change_syntax_highlighter(EditorSettings::get_singleton()->get_project_metadata("script_text_editor", "syntax_highlighter", 0));
 			break;
 	}
 }
@@ -363,6 +362,14 @@ Variant ScriptTextEditor::get_edit_state() {
 void ScriptTextEditor::set_edit_state(const Variant &p_state) {
 
 	code_editor->set_edit_state(p_state);
+
+	Dictionary state = p_state;
+	if (state.has("syntax_highlighter")) {
+		int idx = highlighter_menu->get_item_idx_from_text(state["syntax_highlighter"]);
+		if (idx >= 0) {
+			_change_syntax_highlighter(idx);
+		}
+	}
 }
 
 void ScriptTextEditor::_convert_case(CodeTextEditor::CaseStyle p_case) {
@@ -1024,7 +1031,6 @@ void ScriptTextEditor::_change_syntax_highlighter(int p_idx) {
 	}
 	// highlighter_menu->set_item_checked(p_idx, true);
 	set_syntax_highlighter(highlighters[highlighter_menu->get_item_text(p_idx)]);
-	EditorSettings::get_singleton()->set_project_metadata("script_text_editor", "syntax_highlighter", p_idx);
 }
 
 void ScriptTextEditor::_bind_methods() {

editor/plugins/text_editor.cpp

@@ -66,7 +66,6 @@ void TextEditor::_change_syntax_highlighter(int p_idx) {
 		el = el->next();
 	}
 	set_syntax_highlighter(highlighters[highlighter_menu->get_item_text(p_idx)]);
-	EditorSettings::get_singleton()->set_project_metadata("text_editor", "syntax_highlighter", p_idx);
 }
 
 void TextEditor::_load_theme_settings() {
@@ -234,6 +233,14 @@ Variant TextEditor::get_edit_state() {
 void TextEditor::set_edit_state(const Variant &p_state) {
 
 	code_editor->set_edit_state(p_state);
+
+	Dictionary state = p_state;
+	if (state.has("syntax_highlighter")) {
+		int idx = highlighter_menu->get_item_idx_from_text(state["syntax_highlighter"]);
+		if (idx >= 0) {
+			_change_syntax_highlighter(idx);
+		}
+	}
 }
 
 void TextEditor::trim_trailing_whitespace() {
@@ -299,7 +306,6 @@ void TextEditor::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_READY:
 			_load_theme_settings();
-			_change_syntax_highlighter(EditorSettings::get_singleton()->get_project_metadata("text_editor", "syntax_highlighter", 0));
 			break;
 	}
 }

scene/gui/text_edit.cpp

@@ -5189,6 +5189,17 @@ bool TextEdit::is_folded(int p_line) const {
 	return false;
 }
 
+Vector<int> TextEdit::get_folded_lines() const {
+	Vector<int> folded_lines;
+
+	for (int i = 0; i < text.size(); i++) {
+		if (is_folded(i)) {
+			folded_lines.push_back(i);
+		}
+	}
+	return folded_lines;
+}
+
 void TextEdit::fold_line(int p_line) {
 
 	ERR_FAIL_INDEX(p_line, text.size());

scene/gui/text_edit.h

@@ -490,6 +490,7 @@ public:
 
 	bool can_fold(int p_line) const;
 	bool is_folded(int p_line) const;
+	Vector<int> get_folded_lines() const;
 	void fold_line(int p_line);
 	void unfold_line(int p_line);
 	void toggle_fold_line(int p_line);