Line data    Source code

       1              : #pragma once
       2              : 
       3              : #include "audio/engine/audio_engine.h"
       4              : #include "gui/commands/command_base.h"
       5              : 
       6              : namespace Amplitron {
       7              : 
       8              : /**
       9              :  * @brief Command that moves an effect from one chain position to another.
      10              :  *
      11              :  * execute() calls move_effect(from, to); undo() reverses the move.
      12              :  */
      13              : class ReorderEffectCommand : public Command {
      14              : public:
      15              :   /**
      16              :    * @brief Construct a ReorderEffectCommand.
      17              :    * @param engine  Reference to the audio engine.
      18              :    * @param from    Source index in the effect chain.
      19              :    * @param to      Destination index in the effect chain.
      20              :    */
      21            8 :   ReorderEffectCommand(AudioEngine &engine, int from, int to)
      22            8 :       : engine_(engine), from_(from), to_(to) {}
      23              : 
      24              :   /** @brief Move the effect from source to destination index. */
      25            6 :   bool execute() override {
      26            6 :     engine_.move_effect(from_, to_);
      27            6 :     return true;
      28              :   }
      29              : 
      30              :   /** @brief Move the effect back from destination to source index. */
      31            3 :   void undo() override { engine_.move_effect(to_, from_); }
      32              : 
      33              :   /** @brief Return "Reorder Effect". */
      34            0 :   const char *description() const override { return "Reorder Effect"; }
      35              : 
      36              :   /** @brief Original source index. */
      37              :   int from() const { return from_; }
      38              : 
      39              :   /** @brief Destination index. */
      40              :   int to() const { return to_; }
      41              : 
      42              : private:
      43              :   AudioEngine &engine_;
      44              :   int from_;
      45              :   int to_;
      46              : };
      47              : 
      48              : } // namespace Amplitron