diff options
Diffstat (limited to 'source/blender/blenkernel')
| -rw-r--r-- | source/blender/blenkernel/BKE_undo_system.h | 1 | ||||
| -rw-r--r-- | source/blender/blenkernel/intern/undo_system.c | 17 |
2 files changed, 18 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_undo_system.h b/source/blender/blenkernel/BKE_undo_system.h index 05093deec70..a75606a17cb 100644 --- a/source/blender/blenkernel/BKE_undo_system.h +++ b/source/blender/blenkernel/BKE_undo_system.h @@ -135,6 +135,7 @@ extern const UndoType *BKE_UNDOSYS_TYPE_TEXT; UndoStack *BKE_undosys_stack_create(void); void BKE_undosys_stack_destroy(UndoStack *ustack); void BKE_undosys_stack_clear(UndoStack *ustack); +void BKE_undosys_stack_clear_active(UndoStack *ustack); bool BKE_undosys_stack_has_undo(UndoStack *ustack, const char *name); void BKE_undosys_stack_init_from_main(UndoStack *ustack, struct Main *bmain); void BKE_undosys_stack_init_from_context(UndoStack *ustack, struct bContext *C); diff --git a/source/blender/blenkernel/intern/undo_system.c b/source/blender/blenkernel/intern/undo_system.c index a8f895853ed..ba7d432fab3 100644 --- a/source/blender/blenkernel/intern/undo_system.c +++ b/source/blender/blenkernel/intern/undo_system.c @@ -234,6 +234,23 @@ void BKE_undosys_stack_clear(UndoStack *ustack) ustack->step_active = NULL; } +void BKE_undosys_stack_clear_active(UndoStack *ustack) +{ + /* Remove active and all following undos. */ + UndoStep *us = ustack->step_active; + + if (us) { + ustack->step_active = us->prev; + bool is_not_empty = ustack->step_active != NULL; + + while (ustack->steps.last != ustack->step_active) { + UndoStep *us_iter = ustack->steps.last; + undosys_step_free_and_unlink(ustack, us_iter); + undosys_stack_validate(ustack, is_not_empty); + } + } +} + static bool undosys_stack_push_main(UndoStack *ustack, const char *name, struct Main *bmain) { UNDO_NESTED_ASSERT(false); |