Add Duplicate Lines shortcut to CodeTextEditor

This keyboard shortcut has been made with inspiration from the VS Code keyboard shortcut editor.action.copyLinesDownAction. It duplicates all selected lines and inserts them below no matter where the caret is within the line.

7 files changed, 22 insertions, 0 deletions

diff --git a/editor/code_editor.cpp b/editor/code_editor.cpp
index 876fef078b..9d2b54ef1a 100644
--- a/editor/code_editor.cpp
+++ b/editor/code_editor.cpp
@@ -805,6 +805,11 @@ void CodeTextEditor::input(const Ref<InputEvent> &event) {
 		accept_event();
 		return;
 	}
+	if (ED_IS_SHORTCUT("script_text_editor/duplicate_lines", key_event)) {
+		text_editor->duplicate_lines();
+		accept_event();
+		return;
+	}
 }
 
 void CodeTextEditor::_text_editor_gui_input(const Ref<InputEvent> &p_event) {
diff --git a/editor/plugins/script_text_editor.cpp b/editor/plugins/script_text_editor.cpp
index d5ad21e346..dc3f88705b 100644
--- a/editor/plugins/script_text_editor.cpp
+++ b/editor/plugins/script_text_editor.cpp
@@ -1306,6 +1306,9 @@ void ScriptTextEditor::_edit_option(int p_op) {
 		case EDIT_DUPLICATE_SELECTION: {
 			code_editor->duplicate_selection();
 		} break;
+		case EDIT_DUPLICATE_LINES: {
+			code_editor->get_text_editor()->duplicate_lines();
+		} break;
 		case EDIT_TOGGLE_FOLD_LINE: {
 			int previous_line = -1;
 			for (int caret_idx : tx->get_caret_index_edit_order()) {
@@ -2173,6 +2176,7 @@ void ScriptTextEditor::_enable_code_editor() {
 	edit_menu->get_popup()->add_separator();
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_text_select_all"), EDIT_SELECT_ALL);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_selection"), EDIT_DUPLICATE_SELECTION);
+	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_lines"), EDIT_DUPLICATE_LINES);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/evaluate_selection"), EDIT_EVALUATE);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_word_wrap"), EDIT_TOGGLE_WORD_WRAP);
 	edit_menu->get_popup()->add_separator();
@@ -2395,6 +2399,8 @@ void ScriptTextEditor::register_editor() {
 	ED_SHORTCUT("script_text_editor/unfold_all_lines", TTR("Unfold All Lines"), Key::NONE);
 	ED_SHORTCUT("script_text_editor/duplicate_selection", TTR("Duplicate Selection"), KeyModifierMask::SHIFT | KeyModifierMask::CTRL | Key::D);
 	ED_SHORTCUT_OVERRIDE("script_text_editor/duplicate_selection", "macos", KeyModifierMask::SHIFT | KeyModifierMask::META | Key::C);
+	ED_SHORTCUT("script_text_editor/duplicate_lines", TTR("Duplicate Lines"), KeyModifierMask::CMD_OR_CTRL | KeyModifierMask::ALT | Key::DOWN);
+	ED_SHORTCUT_OVERRIDE("script_text_editor/duplicate_lines", "macos", KeyModifierMask::CMD_OR_CTRL | KeyModifierMask::SHIFT | Key::DOWN);
 	ED_SHORTCUT("script_text_editor/evaluate_selection", TTR("Evaluate Selection"), KeyModifierMask::CMD_OR_CTRL | KeyModifierMask::SHIFT | Key::E);
 	ED_SHORTCUT("script_text_editor/toggle_word_wrap", TTR("Toggle Word Wrap"), KeyModifierMask::ALT | Key::Z);
 	ED_SHORTCUT("script_text_editor/trim_trailing_whitespace", TTR("Trim Trailing Whitespace"), KeyModifierMask::CMD_OR_CTRL | KeyModifierMask::ALT | Key::T);
diff --git a/editor/plugins/script_text_editor.h b/editor/plugins/script_text_editor.h
index 0efe7d54e3..8c0ba6d7e6 100644
--- a/editor/plugins/script_text_editor.h
+++ b/editor/plugins/script_text_editor.h
@@ -126,6 +126,7 @@ class ScriptTextEditor : public ScriptEditorBase {
 		EDIT_UNINDENT,
 		EDIT_DELETE_LINE,
 		EDIT_DUPLICATE_SELECTION,
+		EDIT_DUPLICATE_LINES,
 		EDIT_PICK_COLOR,
 		EDIT_TO_UPPERCASE,
 		EDIT_TO_LOWERCASE,
diff --git a/editor/plugins/text_editor.cpp b/editor/plugins/text_editor.cpp
index 92ee468bc2..b0a69cfb5c 100644
--- a/editor/plugins/text_editor.cpp
+++ b/editor/plugins/text_editor.cpp
@@ -392,6 +392,9 @@ void TextEditor::_edit_option(int p_op) {
 		case EDIT_DUPLICATE_SELECTION: {
 			code_editor->duplicate_selection();
 		} break;
+		case EDIT_DUPLICATE_LINES: {
+			code_editor->get_text_editor()->duplicate_lines();
+		} break;
 		case EDIT_TOGGLE_FOLD_LINE: {
 			int previous_line = -1;
 			for (int caret_idx : tx->get_caret_index_edit_order()) {
@@ -651,6 +654,7 @@ TextEditor::TextEditor() {
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/unfold_all_lines"), EDIT_UNFOLD_ALL_LINES);
 	edit_menu->get_popup()->add_separator();
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_selection"), EDIT_DUPLICATE_SELECTION);
+	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_lines"), EDIT_DUPLICATE_LINES);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_word_wrap"), EDIT_TOGGLE_WORD_WRAP);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/trim_trailing_whitespace"), EDIT_TRIM_TRAILING_WHITESAPCE);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/convert_indent_to_spaces"), EDIT_CONVERT_INDENT_TO_SPACES);
diff --git a/editor/plugins/text_editor.h b/editor/plugins/text_editor.h
index d1aa2a9047..a4ec2d882b 100644
--- a/editor/plugins/text_editor.h
+++ b/editor/plugins/text_editor.h
@@ -71,6 +71,7 @@ private:
 		EDIT_UNINDENT,
 		EDIT_DELETE_LINE,
 		EDIT_DUPLICATE_SELECTION,
+		EDIT_DUPLICATE_LINES,
 		EDIT_TO_UPPERCASE,
 		EDIT_TO_LOWERCASE,
 		EDIT_CAPITALIZE,
diff --git a/editor/plugins/text_shader_editor.cpp b/editor/plugins/text_shader_editor.cpp
index b68b283a61..27f42608c6 100644
--- a/editor/plugins/text_shader_editor.cpp
+++ b/editor/plugins/text_shader_editor.cpp
@@ -671,6 +671,9 @@ void TextShaderEditor::_menu_option(int p_option) {
 		case EDIT_DUPLICATE_SELECTION: {
 			shader_editor->duplicate_selection();
 		} break;
+		case EDIT_DUPLICATE_LINES: {
+			shader_editor->get_text_editor()->duplicate_lines();
+		} break;
 		case EDIT_TOGGLE_WORD_WRAP: {
 			TextEdit::LineWrappingMode wrap = shader_editor->get_text_editor()->get_line_wrapping_mode();
 			shader_editor->get_text_editor()->set_line_wrapping_mode(wrap == TextEdit::LINE_WRAPPING_BOUNDARY ? TextEdit::LINE_WRAPPING_NONE : TextEdit::LINE_WRAPPING_BOUNDARY);
@@ -1122,6 +1125,7 @@ TextShaderEditor::TextShaderEditor() {
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/delete_line"), EDIT_DELETE_LINE);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_selection"), EDIT_DUPLICATE_SELECTION);
+	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/duplicate_lines"), EDIT_DUPLICATE_LINES);
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_word_wrap"), EDIT_TOGGLE_WORD_WRAP);
 	edit_menu->get_popup()->add_separator();
 	edit_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("ui_text_completion_query"), EDIT_COMPLETE);
diff --git a/editor/plugins/text_shader_editor.h b/editor/plugins/text_shader_editor.h
index 03827f1b83..eba2ec0bb9 100644
--- a/editor/plugins/text_shader_editor.h
+++ b/editor/plugins/text_shader_editor.h
@@ -120,6 +120,7 @@ class TextShaderEditor : public MarginContainer {
 		EDIT_UNINDENT,
 		EDIT_DELETE_LINE,
 		EDIT_DUPLICATE_SELECTION,
+		EDIT_DUPLICATE_LINES,
 		EDIT_TOGGLE_WORD_WRAP,
 		EDIT_TOGGLE_COMMENT,
 		EDIT_COMPLETE,