Brought back visual indication of delete dragging.

[ardour.git] / gtk2_ardour / midi_streamview.h

diff --git a/gtk2_ardour/midi_streamview.h b/gtk2_ardour/midi_streamview.h
index 0122eb4e1bfd0e5e5f05471a0622c855c97c441d..6ba2b7146f20c389395f93d9026f0d80582abdd4 100644 (file)
--- a/gtk2_ardour/midi_streamview.h
+++ b/gtk2_ardour/midi_streamview.h
@@ -26,6 +26,8 @@
 #include "enums.h"
 #include "simplerect.h"
 #include "streamview.h"
+#include "time_axis_view_item.h"
+#include "route_time_axis.h"
 
 namespace Gdk {
        class Color;
@@ -58,8 +60,38 @@ class MidiStreamView : public StreamView
        void get_selectables (jack_nframes_t start, jack_nframes_t end, list<Selectable* >&);
        void get_inverted_selectables (Selection&, list<Selectable* >& results);
 
-       uint8_t lowest_note()  const { return _lowest_note; }
-       uint8_t highest_note() const { return _highest_note; }
+       enum VisibleNoteRange {
+               FullRange,
+               ContentsRange
+       };
+
+       VisibleNoteRange note_range() { return _range; }
+       void set_note_range(VisibleNoteRange r) { _range = r; }
+
+       uint8_t lowest_note()  const { return (_range == FullRange) ? 0 : _lowest_note; }
+       uint8_t highest_note() const { return (_range == FullRange) ? 127 : _highest_note; }
+       
+       void update_bounds(uint8_t note_num);
+       
+       void redisplay_diskstream ();
+       
+       inline double contents_height() const
+               { return (_trackview.height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
+       
+       inline double note_to_y(uint8_t note) const
+               { return contents_height()
+                       - (note + 1 - _lowest_note) * note_height() + 1; }
+       
+       inline uint8_t y_to_note(double y) const
+               { return (uint8_t)((contents_height() - y - 1)
+                               / contents_height() * (double)contents_note_range())
+                               + _lowest_note; }
+       
+       inline double note_height() const
+               { return contents_height() / (double)contents_note_range(); }
+       
+       inline uint8_t contents_note_range() const
+               { return _highest_note - _lowest_note + 1; }
 
   private:
        void setup_rec_box ();
@@ -67,14 +99,19 @@ class MidiStreamView : public StreamView
        void update_rec_regions (boost::shared_ptr<ARDOUR::MidiBuffer> data, jack_nframes_t start, jack_nframes_t dur);
        
        RegionView* add_region_view_internal (boost::shared_ptr<ARDOUR::Region>, bool wait_for_waves);
-       void        display_region(MidiRegionView* region_view, bool redisplay_events);
-
-       void redisplay_diskstream ();
+       void        display_region(MidiRegionView* region_view, bool load_model);
+       void        display_diskstream (boost::shared_ptr<ARDOUR::Diskstream> ds);
+       
+       void update_contents_y_position_and_height ();
+       void draw_note_separators();
 
        void color_handler ();
 
-       uint8_t _lowest_note;
-       uint8_t _highest_note;
+       VisibleNoteRange          _range;
+       uint8_t                   _lowest_note;
+       uint8_t                   _highest_note;
+       ArdourCanvas::Group*      _note_line_group;
+       ArdourCanvas::SimpleLine* _note_lines[127];
 };
 
 #endif /* __ardour_midi_streamview_h__ */