transport_action.h

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// SPDX-FileCopyrightText: © 2020-2021 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __ACTIONS_TRANSPORT_ACTION_H__
#define __ACTIONS_TRANSPORT_ACTION_H__
 
#include <stdbool.h>
 
#include "actions/undoable_action.h"
#include "dsp/transport.h"
#include "utils/types.h"
#include "utils/yaml.h"
 
typedef enum TransportActionType
{
  TRANSPORT_ACTION_BPM_CHANGE,
  TRANSPORT_ACTION_BEATS_PER_BAR_CHANGE,
  TRANSPORT_ACTION_BEAT_UNIT_CHANGE,
} TransportActionType;
 
static const cyaml_strval_t transport_action_type_strings[] = {
  {"BPM change",            TRANSPORT_ACTION_BPM_CHANGE          },
  { "beats per bar change", TRANSPORT_ACTION_BEATS_PER_BAR_CHANGE},
  { "beat unit change",     TRANSPORT_ACTION_BEAT_UNIT_CHANGE    },
};
 
typedef struct TransportAction
{
  UndoableAction parent_instance;
 
  TransportActionType type;
 
  bpm_t bpm_before;
  bpm_t bpm_after;
 
  int int_before;
  int int_after;
 
  bool already_done;
 
  bool musical_mode;
} TransportAction;
 
void
transport_action_init_loaded (TransportAction * self);
 
WARN_UNUSED_RESULT UndoableAction *
transport_action_new_bpm_change (
  bpm_t     bpm_before,
  bpm_t     bpm_after,
  bool      already_done,
  GError ** error);
 
WARN_UNUSED_RESULT UndoableAction *
transport_action_new_time_sig_change (
  TransportActionType type,
  int                 before,
  int                 after,
  bool                already_done,
  GError **           error);
 
NONNULL TransportAction *
transport_action_clone (const TransportAction * src);
 
bool
transport_action_perform_bpm_change (
  bpm_t     bpm_before,
  bpm_t     bpm_after,
  bool      already_done,
  GError ** error);
 
bool
transport_action_perform_time_sig_change (
  TransportActionType type,
  int                 before,
  int                 after,
  bool                already_done,
  GError **           error);
 
int
transport_action_do (TransportAction * self, GError ** error);
 
int
transport_action_undo (TransportAction * self, GError ** error);
 
char *
transport_action_stringize (TransportAction * self);
 
void
transport_action_free (TransportAction * self);
 
#endif