Merge with 2.0-ongoing R2988
[ardour.git] / gtk2_ardour / midi_region_view.h
index 730fa88d601db5806932988bc0b82c5a073d86b5..a709f523a3aa660f5fd5ff63039fb35a2400ca35 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2001-2006 Paul Davis 
+    Copyright (C) 2001-2007 Paul Davis 
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 #include <libgnomecanvasmm.h>
 #include <libgnomecanvasmm/polygon.h>
+#include <ardour/midi_track.h>
 #include <ardour/midi_region.h>
 #include <ardour/midi_model.h>
+#include <ardour/diskstream.h>
 #include <ardour/types.h>
 
 #include "region_view.h"
-#include "route_time_axis.h"
+#include "midi_time_axis.h"
 #include "time_axis_view_item.h"
 #include "automation_line.h"
 #include "enums.h"
 #include "canvas.h"
+#include "canvas-note.h"
+#include "canvas-midi-event.h"
 
 namespace ARDOUR {
        class MidiRegion;
+       class MidiModel;
 };
 
 class MidiTimeAxisView;
 class GhostRegion;
 class AutomationTimeAxisView;
+class AutomationRegionView;
 
 class MidiRegionView : public RegionView
 {
@@ -53,23 +59,87 @@ class MidiRegionView : public RegionView
 
        ~MidiRegionView ();
        
-       virtual void init (Gdk::Color& base_color, bool wait_for_data = false);
+       virtual void init (Gdk::Color& basic_color, bool wfd);
        
-       boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const;
+       inline const boost::shared_ptr<ARDOUR::MidiRegion> midi_region() const
+               { return boost::dynamic_pointer_cast<ARDOUR::MidiRegion>(_region); }
+
+       inline MidiTimeAxisView* midi_view() const
+               { return dynamic_cast<MidiTimeAxisView*>(&trackview); }
+
+       inline MidiStreamView* midi_stream_view() const
+               { return midi_view()->midi_view(); }
        
        void set_y_position_and_height (double, double);
-    
-    void show_region_editor ();
+       
+       void set_frame_color();
+
+       void redisplay_model();
 
     GhostRegion* add_ghost (AutomationTimeAxisView&);
 
-       void add_event(const ARDOUR::MidiEvent& ev);
-       void add_note(const ARDOUR::MidiModel::Note& note);
+       void add_note(const boost::shared_ptr<ARDOUR::Note> note);
+       void resolve_note(uint8_t note_num, double end_time);
 
        void begin_write();
        void end_write();
        void extend_active_notes();
 
+       void create_note_at(double x, double y, double dur);
+
+       void display_model(boost::shared_ptr<ARDOUR::MidiModel> model);
+
+       /* This stuff is a bit boilerplatey ATM.  Work in progress. */
+
+       inline void start_remove_command() {
+               if (!_delta_command)
+                       _delta_command = _model->new_delta_command();
+       }
+       
+       inline void start_delta_command() {
+               if (!_delta_command)
+                       _delta_command = _model->new_delta_command();
+       }
+       
+       void command_add_note(const boost::shared_ptr<ARDOUR::Note> note) {
+               if (_delta_command)
+                       _delta_command->add(note);
+       }
+
+       void command_remove_note(ArdourCanvas::CanvasMidiEvent* ev) {
+               if (_delta_command && ev->note()) {
+                       _delta_command->remove(ev->note());
+                       ev->selected(true);
+               }
+       }
+
+       void abort_command() {
+               delete _delta_command;
+               _delta_command = NULL;
+               clear_selection();
+       }
+
+       void apply_command() {
+               if (_delta_command) {
+                       _model->apply_command(_delta_command);
+                       _delta_command = NULL;
+               }
+               midi_view()->midi_track()->diskstream()->playlist_modified();
+       }
+       
+       void   note_entered(ArdourCanvas::CanvasMidiEvent* ev);
+       void   unique_select(ArdourCanvas::CanvasMidiEvent* ev);
+       void   note_selected(ArdourCanvas::CanvasMidiEvent* ev, bool add);
+       void   note_deselected(ArdourCanvas::CanvasMidiEvent* ev, bool add);
+       void   delete_selection();
+       size_t selection_size() { return _selection.size(); }
+
+       void move_selection(double dx, double dy);
+       void note_dropped(ArdourCanvas::CanvasMidiEvent* ev, double dt, uint8_t dnote);
+       
+       enum MouseState { None, Pressed, SelectTouchDragging, SelectRectDragging, AddDragging, EraseTouchDragging };
+       MouseState mouse_state() const { return _mouse_state; }
+       
   protected:
 
     /* this constructor allows derived types
@@ -93,14 +163,29 @@ class MidiRegionView : public RegionView
 
   private:
 
-       void redisplay_model();
-       void display_events();
        void clear_events();
+       void switch_source(boost::shared_ptr<ARDOUR::Source> src);
 
        bool canvas_event(GdkEvent* ev);
-
-       std::vector<ArdourCanvas::Item*> _events;
-       ArdourCanvas::SimpleRect**       _active_notes;
+       bool note_canvas_event(GdkEvent* ev);
+       
+       void clear_selection_except(ArdourCanvas::CanvasMidiEvent* ev);
+       void clear_selection() { clear_selection_except(NULL); }
+       void update_drag_selection(double last_x, double x, double last_y, double y);
+
+       double _default_note_length;
+
+       boost::shared_ptr<ARDOUR::MidiModel>        _model;
+       std::vector<ArdourCanvas::CanvasMidiEvent*> _events;
+       ArdourCanvas::CanvasNote**                  _active_notes;
+       ArdourCanvas::Group*                        _note_group;
+       ARDOUR::MidiModel::DeltaCommand*            _delta_command;
+               
+       MouseState _mouse_state;
+       int _pressed_button;
+
+       typedef std::set<ArdourCanvas::CanvasMidiEvent*> Selection;
+       Selection _selection;
 };
 
 #endif /* __gtk_ardour_midi_region_view_h__ */