UI: support dragging to key-frame

2 files changed, 7 insertions, 0 deletions

diff --git a/source/blender/editors/interface/interface_handlers.c b/source/blender/editors/interface/interface_handlers.c
index b3f4683d53f..af7803c7002 100644
--- a/source/blender/editors/interface/interface_handlers.c
+++ b/source/blender/editors/interface/interface_handlers.c
@@ -1274,6 +1274,9 @@ static bool ui_drag_toggle_but_is_supported(const uiBut *but)
 	if (ui_but_is_bool(but)) {
 		return true;
 	}
+	else if (UI_but_is_decorator(but)) {
+		return ELEM(but->icon, ICON_SPACE2, ICON_SPACE3, ICON_DOT);
+	}
 	else {
 		return false;
 	}
@@ -1284,6 +1287,9 @@ static bool ui_drag_toggle_but_is_pushed(uiBut *but)
 	if (ui_but_is_bool(but)) {
 		return ui_but_is_pushed(but);
 	}
+	else if (UI_but_is_decorator(but)) {
+		return (but->icon == ICON_SPACE2);
+	}
 	else {
 		return false;
 	}
diff --git a/source/blender/editors/interface/interface_layout.c b/source/blender/editors/interface/interface_layout.c
index b837062671b..8a333f607fa 100644
--- a/source/blender/editors/interface/interface_layout.c
+++ b/source/blender/editors/interface/interface_layout.c
@@ -1709,6 +1709,7 @@ void uiItemFullR(uiLayout *layout, PointerRNA *ptr, PropertyRNA *prop, int index
 				        block, UI_BTYPE_BUT, 0, ICON_DOT, 0, 0, UI_UNIT_X, UI_UNIT_Y,
 				        NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Animate property"));
 				UI_but_func_set(but, ui_but_anim_decorate_cb, but, NULL);
+				but->flag |= UI_BUT_DRAG_LOCK;
 			}
 			else {
 				/* We may show other information here in future, for now use empty space. */