Merge pull request #49640 from Calinou/add-soft-line-length-guideline-3.x

Add a soft line length guideline to the script editor (3.x)

editor/code_editor.cpp

@@ -933,8 +933,9 @@ void CodeTextEditor::update_editor_settings() {
 	text_editor->set_hiding_enabled(EditorSettings::get_singleton()->get("text_editor/appearance/code_folding"));
 	text_editor->set_draw_fold_gutter(EditorSettings::get_singleton()->get("text_editor/appearance/code_folding"));
 	text_editor->set_wrap_enabled(EditorSettings::get_singleton()->get("text_editor/appearance/word_wrap"));
-	text_editor->set_show_line_length_guideline(EditorSettings::get_singleton()->get("text_editor/appearance/show_line_length_guideline"));
-	text_editor->set_line_length_guideline_column(EditorSettings::get_singleton()->get("text_editor/appearance/line_length_guideline_column"));
+	text_editor->set_show_line_length_guidelines(EditorSettings::get_singleton()->get("text_editor/appearance/show_line_length_guidelines"));
+	text_editor->set_line_length_guideline_soft_column(EditorSettings::get_singleton()->get("text_editor/appearance/line_length_guideline_soft_column"));
+	text_editor->set_line_length_guideline_hard_column(EditorSettings::get_singleton()->get("text_editor/appearance/line_length_guideline_hard_column"));
 	text_editor->set_scroll_pass_end_of_file(EditorSettings::get_singleton()->get("text_editor/cursor/scroll_past_end_of_file"));
 	text_editor->cursor_set_block_mode(EditorSettings::get_singleton()->get("text_editor/cursor/block_caret"));
 	text_editor->cursor_set_blink_enabled(EditorSettings::get_singleton()->get("text_editor/cursor/caret_blink"));

editor/editor_settings.cpp

@@ -470,9 +470,11 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	_initial_set("text_editor/appearance/show_info_gutter", true);
 	_initial_set("text_editor/appearance/code_folding", true);
 	_initial_set("text_editor/appearance/word_wrap", false);
-	_initial_set("text_editor/appearance/show_line_length_guideline", true);
-	_initial_set("text_editor/appearance/line_length_guideline_column", 80);
-	hints["text_editor/appearance/line_length_guideline_column"] = PropertyInfo(Variant::INT, "text_editor/appearance/line_length_guideline_column", PROPERTY_HINT_RANGE, "20, 160, 1");
+	_initial_set("text_editor/appearance/show_line_length_guidelines", true);
+	_initial_set("text_editor/appearance/line_length_guideline_soft_column", 80);
+	hints["text_editor/appearance/line_length_guideline_soft_column"] = PropertyInfo(Variant::INT, "text_editor/appearance/line_length_guideline_soft_column", PROPERTY_HINT_RANGE, "20, 160, 1");
+	_initial_set("text_editor/appearance/line_length_guideline_hard_column", 100);
+	hints["text_editor/appearance/line_length_guideline_hard_column"] = PropertyInfo(Variant::INT, "text_editor/appearance/line_length_guideline_hard_column", PROPERTY_HINT_RANGE, "20, 160, 1");
 
 	// Script list
 	_initial_set("text_editor/script_list/show_members_overview", true);

editor/plugins/shader_editor_plugin.cpp

@@ -375,8 +375,9 @@ void ShaderEditor::_editor_settings_changed() {
 	shader_editor->get_text_edit()->set_v_scroll_speed(EditorSettings::get_singleton()->get("text_editor/navigation/v_scroll_speed"));
 	shader_editor->get_text_edit()->set_draw_minimap(EditorSettings::get_singleton()->get("text_editor/navigation/show_minimap"));
 	shader_editor->get_text_edit()->set_minimap_width((int)EditorSettings::get_singleton()->get("text_editor/navigation/minimap_width") * EDSCALE);
-	shader_editor->get_text_edit()->set_show_line_length_guideline(EditorSettings::get_singleton()->get("text_editor/appearance/show_line_length_guideline"));
-	shader_editor->get_text_edit()->set_line_length_guideline_column(EditorSettings::get_singleton()->get("text_editor/appearance/line_length_guideline_column"));
+	shader_editor->get_text_edit()->set_show_line_length_guidelines(EditorSettings::get_singleton()->get("text_editor/appearance/show_line_length_guidelines"));
+	shader_editor->get_text_edit()->set_line_length_guideline_soft_column(EditorSettings::get_singleton()->get("text_editor/appearance/line_length_guideline_soft_column"));
+	shader_editor->get_text_edit()->set_line_length_guideline_hard_column(EditorSettings::get_singleton()->get("text_editor/appearance/line_length_guideline_hard_column"));
 	shader_editor->get_text_edit()->set_breakpoint_gutter_enabled(false);
 }
 

scene/gui/text_edit.cpp

@@ -716,10 +716,18 @@ void TextEdit::_notification(int p_what) {
 				}
 			}
 
-			if (line_length_guideline) {
-				int x = xmargin_beg + (int)cache.font->get_char_size('0').width * line_length_guideline_col - cursor.x_ofs;
-				if (x > xmargin_beg && x < xmargin_end) {
-					VisualServer::get_singleton()->canvas_item_add_line(ci, Point2(x, 0), Point2(x, size.height), cache.line_length_guideline_color);
+			if (line_length_guidelines) {
+				const int hard_x = xmargin_beg + (int)cache.font->get_char_size('0').width * line_length_guideline_hard_col - cursor.x_ofs;
+				if (hard_x > xmargin_beg && hard_x < xmargin_end) {
+					VisualServer::get_singleton()->canvas_item_add_line(ci, Point2(hard_x, 0), Point2(hard_x, size.height), cache.line_length_guideline_color);
+				}
+
+				// Draw a "Soft" line length guideline, less visible than the hard line length guideline.
+				// It's usually set to a lower column compared to the hard line length guideline.
+				// Only drawn if its column differs from the hard line length guideline.
+				const int soft_x = xmargin_beg + (int)cache.font->get_char_size('0').width * line_length_guideline_soft_col - cursor.x_ofs;
+				if (hard_x != soft_x && soft_x > xmargin_beg && soft_x < xmargin_end) {
+					VisualServer::get_singleton()->canvas_item_add_line(ci, Point2(soft_x, 0), Point2(soft_x, size.height), cache.line_length_guideline_color * Color(1, 1, 1, 0.5));
 				}
 			}
 
@@ -6795,13 +6803,18 @@ bool TextEdit::is_show_line_numbers_enabled() const {
 	return line_numbers;
 }
 
-void TextEdit::set_show_line_length_guideline(bool p_show) {
-	line_length_guideline = p_show;
+void TextEdit::set_show_line_length_guidelines(bool p_show) {
+	line_length_guidelines = p_show;
 	update();
 }
 
-void TextEdit::set_line_length_guideline_column(int p_column) {
-	line_length_guideline_col = p_column;
+void TextEdit::set_line_length_guideline_soft_column(int p_column) {
+	line_length_guideline_soft_col = p_column;
+	update();
+}
+
+void TextEdit::set_line_length_guideline_hard_column(int p_column) {
+	line_length_guideline_hard_col = p_column;
 	update();
 }
 
@@ -7287,8 +7300,9 @@ TextEdit::TextEdit() {
 	tooltip_obj = nullptr;
 	line_numbers = false;
 	line_numbers_zero_padded = false;
-	line_length_guideline = false;
-	line_length_guideline_col = 80;
+	line_length_guidelines = false;
+	line_length_guideline_soft_col = 80;
+	line_length_guideline_hard_col = 100;
 	draw_bookmark_gutter = false;
 	draw_breakpoint_gutter = false;
 	draw_fold_gutter = false;

scene/gui/text_edit.h

@@ -364,8 +364,9 @@ private:
 	bool undo_enabled;
 	bool line_numbers;
 	bool line_numbers_zero_padded;
-	bool line_length_guideline;
-	int line_length_guideline_col;
+	bool line_length_guidelines;
+	int line_length_guideline_soft_col;
+	int line_length_guideline_hard_col;
 	bool draw_bookmark_gutter;
 	bool draw_breakpoint_gutter;
 	int breakpoint_gutter_width;
@@ -762,8 +763,9 @@ public:
 
 	void set_line_numbers_zero_padded(bool p_zero_padded);
 
-	void set_show_line_length_guideline(bool p_show);
-	void set_line_length_guideline_column(int p_column);
+	void set_show_line_length_guidelines(bool p_show);
+	void set_line_length_guideline_soft_column(int p_column);
+	void set_line_length_guideline_hard_column(int p_column);
 
 	void set_bookmark_gutter_enabled(bool p_draw);
 	bool is_bookmark_gutter_enabled() const;