split out the logic behind step editing from MidiTimeAxisView as much as possible

git-svn-id: svn://localhost/ardour2/branches/3.0@7633 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 73 insertions, 0 deletions

diff --git a/gtk2_ardour/step_editor.h b/gtk2_ardour/step_editor.h
new file mode 100644
index 0000000000..00be7890a3
--- /dev/null
+++ b/gtk2_ardour/step_editor.h
@@ -0,0 +1,73 @@
+#ifndef __pbd__step_editor_h__
+#define __pbd__step_editor_h__
+
+#include <string>
+
+#include <gdk/gdk.h>
+#include <sigc++/trackable.h>
+
+#include "pbd/signals.h"
+#include "evoral/types.hpp"
+
+namespace ARDOUR {
+        class MidiTrack;
+        class MidiRegion;
+}
+
+class MidiRegionView;
+class MidiTimeAxisView;
+class PublicEditor;
+class StepEntry;
+
+class StepEditor : public PBD::ScopedConnectionList, public sigc::trackable
+{
+  public:
+        StepEditor (PublicEditor&, boost::shared_ptr<ARDOUR::MidiTrack>, MidiTimeAxisView&);
+        virtual ~StepEditor ();
+
+	void check_step_edit ();
+	void step_edit_rest (Evoral::MusicalTime beats);
+        void step_edit_beat_sync ();
+        void step_edit_bar_sync ();
+        int  step_add_bank_change (uint8_t channel, uint8_t bank);
+        int  step_add_program_change (uint8_t channel, uint8_t program);
+        int  step_add_note (uint8_t channel, uint8_t pitch, uint8_t velocity, 
+                            Evoral::MusicalTime beat_duration);
+        void step_edit_sustain (Evoral::MusicalTime beats);
+        bool step_edit_within_triplet () const;
+        void step_edit_toggle_triplet ();
+        bool step_edit_within_chord () const;
+        void step_edit_toggle_chord ();
+        void reset_step_edit_beat_pos ();
+        void resync_step_edit_to_edit_point ();
+        void move_step_edit_beat_pos (Evoral::MusicalTime beats);
+        void set_step_edit_cursor_width (Evoral::MusicalTime beats);
+
+        std::string name() const;
+
+	void start_step_editing ();
+	void stop_step_editing ();
+
+  private:
+        ARDOUR::framepos_t                    step_edit_insert_position;
+	Evoral::MusicalTime                   step_edit_beat_pos;
+	boost::shared_ptr<ARDOUR::MidiRegion> step_edit_region;
+	MidiRegionView*                       step_edit_region_view;
+        uint8_t                              _step_edit_triplet_countdown;
+        bool                                 _step_edit_within_chord;
+        Evoral::MusicalTime                  _step_edit_chord_duration;
+        PBD::ScopedConnection                 step_edit_region_connection;
+        PublicEditor&                        _editor;
+        boost::shared_ptr<ARDOUR::MidiTrack> _track;
+        StepEntry*                            step_editor;
+        MidiTimeAxisView&                    _mtv;
+
+        void region_removed (boost::weak_ptr<ARDOUR::Region>);
+        void playlist_changed ();
+        bool step_editor_hidden (GdkEventAny*);
+        void step_editor_hide ();
+        void resync_step_edit_position ();
+        void prepare_step_edit_region ();
+};
+
+#endif /* __pbd__step_editor_h__ */