diff options
Diffstat (limited to 'core/object/undo_redo.cpp')
| -rw-r--r-- | core/object/undo_redo.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/core/object/undo_redo.cpp b/core/object/undo_redo.cpp index 3c1d4ef95e..569e6ae19f 100644 --- a/core/object/undo_redo.cpp +++ b/core/object/undo_redo.cpp @@ -316,6 +316,14 @@ void UndoRedo::commit_action(bool p_execute) { _redo(p_execute); // perform action committing--; + if (max_steps > 0) { + // Clear early steps. + + while (actions.size() > max_steps) { + _pop_history_tail(); + } + } + if (add_message && callback && actions.size() > 0) { callback(callback_ud, actions[actions.size() - 1].name); } @@ -473,6 +481,14 @@ uint64_t UndoRedo::get_version() const { return version; } +void UndoRedo::set_max_steps(int p_max_steps) { + max_steps = p_max_steps; +} + +int UndoRedo::get_max_steps() const { + return max_steps; +} + void UndoRedo::set_commit_notify_callback(CommitNotifyCallback p_callback, void *p_ud) { callback = p_callback; callback_ud = p_ud; @@ -517,9 +533,13 @@ void UndoRedo::_bind_methods() { ClassDB::bind_method(D_METHOD("has_undo"), &UndoRedo::has_undo); ClassDB::bind_method(D_METHOD("has_redo"), &UndoRedo::has_redo); ClassDB::bind_method(D_METHOD("get_version"), &UndoRedo::get_version); + ClassDB::bind_method(D_METHOD("set_max_steps", "max_steps"), &UndoRedo::set_max_steps); + ClassDB::bind_method(D_METHOD("get_max_steps"), &UndoRedo::get_max_steps); ClassDB::bind_method(D_METHOD("redo"), &UndoRedo::redo); ClassDB::bind_method(D_METHOD("undo"), &UndoRedo::undo); + ADD_PROPERTY(PropertyInfo(Variant::INT, "max_steps", PROPERTY_HINT_RANGE, "0,50,1,or_greater"), "set_max_steps", "get_max_steps"); + ADD_SIGNAL(MethodInfo("version_changed")); BIND_ENUM_CONSTANT(MERGE_DISABLE); |