Patch [#30654] Wiki Quick Hack: Text editor move lines up/down

Submitted by: Justin Dailey (dail)

Patch allows the current line (or selected lines) to be moved up and down with
Ctrl+Shift+Up and Ctrl+Shift+Down. Has undo/redo support and operators in python
menu.

3 files changed, 67 insertions, 1 deletions

diff --git a/source/blender/editors/space_text/space_text.c b/source/blender/editors/space_text/space_text.c
index 032cc4ecbf2..ddff1fe603f 100644
--- a/source/blender/editors/space_text/space_text.c
+++ b/source/blender/editors/space_text/space_text.c
@@ -202,6 +202,9 @@ static void text_operatortypes(void)
 	WM_operatortype_append(TEXT_OT_select_line);
 	WM_operatortype_append(TEXT_OT_select_all);
 	WM_operatortype_append(TEXT_OT_select_word);
+	
+	WM_operatortype_append(TEXT_OT_move_lines_up);
+	WM_operatortype_append(TEXT_OT_move_lines_down);
 
 	WM_operatortype_append(TEXT_OT_jump);
 	WM_operatortype_append(TEXT_OT_move);
@@ -321,7 +324,9 @@ static void text_keymap(struct wmKeyConfig *keyconf)
 	WM_keymap_add_item(keymap, "TEXT_OT_select_line", AKEY, KM_PRESS, KM_SHIFT | KM_CTRL, 0);
 	WM_keymap_add_item(keymap, "TEXT_OT_select_word", LEFTMOUSE, KM_DBL_CLICK, 0, 0);
 	
-
+	WM_keymap_add_item(keymap, "TEXT_OT_move_lines_up", UPARROWKEY, KM_PRESS, KM_SHIFT|KM_CTRL, 0);
+	WM_keymap_add_item(keymap, "TEXT_OT_move_lines_down", DOWNARROWKEY, KM_PRESS, KM_SHIFT|KM_CTRL, 0);
+	
 	WM_keymap_add_item(keymap, "TEXT_OT_indent", TABKEY, KM_PRESS, 0, 0);
 	WM_keymap_add_item(keymap, "TEXT_OT_unindent", TABKEY, KM_PRESS, KM_SHIFT, 0);
 	WM_keymap_add_item(keymap, "TEXT_OT_uncomment", DKEY, KM_PRESS, KM_CTRL | KM_SHIFT, 0);
diff --git a/source/blender/editors/space_text/text_intern.h b/source/blender/editors/space_text/text_intern.h
index 07d2dffb95b..be6287a939c 100644
--- a/source/blender/editors/space_text/text_intern.h
+++ b/source/blender/editors/space_text/text_intern.h
@@ -137,6 +137,9 @@ void TEXT_OT_select_line(struct wmOperatorType *ot);
 void TEXT_OT_select_all(struct wmOperatorType *ot);
 void TEXT_OT_select_word(struct wmOperatorType *ot);
 
+void TEXT_OT_move_lines_up(struct wmOperatorType *ot);
+void TEXT_OT_move_lines_down(struct wmOperatorType *ot);
+
 void TEXT_OT_jump(struct wmOperatorType *ot);
 void TEXT_OT_move(struct wmOperatorType *ot);
 void TEXT_OT_move_select(struct wmOperatorType *ot);
diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c
index f60217ba8ac..cb8daa0f03e 100644
--- a/source/blender/editors/space_text/text_ops.c
+++ b/source/blender/editors/space_text/text_ops.c
@@ -1331,6 +1331,64 @@ void TEXT_OT_select_word(wmOperatorType *ot)
 	ot->poll = text_edit_poll;
 }
 
+/********************* move lines operators ***********************/
+
+static int move_lines_up_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	Text *text = CTX_data_edit_text(C);
+	
+	txt_move_lines_up(text);
+	
+	text_update_cursor_moved(C);
+	WM_event_add_notifier(C, NC_TEXT|NA_EDITED, text);
+
+	/* run the script while editing, evil but useful */
+	if (CTX_wm_space_text(C)->live_edit)
+		text_run_script(C, NULL);
+	
+	return OPERATOR_FINISHED;
+}
+
+void TEXT_OT_move_lines_up(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Move Lines Up";
+	ot->idname = "TEXT_OT_move_lines_up";
+	ot->description = "Moves the currently selected line(s) up.";
+	
+	/* api callbacks */
+	ot->exec = move_lines_up_exec;
+	ot->poll = text_edit_poll;
+}
+
+static int move_lines_down_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	Text *text = CTX_data_edit_text(C);
+	
+	txt_move_lines_down(text);
+	
+	text_update_cursor_moved(C);
+	WM_event_add_notifier(C, NC_TEXT|NA_EDITED, text);
+
+	/* run the script while editing, evil but useful */
+	if (CTX_wm_space_text(C)->live_edit)
+		text_run_script(C, NULL);
+	
+	return OPERATOR_FINISHED;
+}
+
+void TEXT_OT_move_lines_down(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Move Lines Down";
+	ot->idname = "TEXT_OT_move_lines_down";
+	ot->description = "Moves the currently selected line(s) down.";
+	
+	/* api callbacks */
+	ot->exec = move_lines_down_exec;
+	ot->poll = text_edit_poll;
+}
+
 /******************* previous marker operator *********************/
 
 static int text_previous_marker_exec(bContext *C, wmOperator *UNUSED(op))