Add canvas-note.cc that probably shouldn't exist anyway :)

git-svn-id: svn://localhost/ardour2/branches/3.0@3146 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 91 insertions, 0 deletions

diff --git a/gtk2_ardour/canvas-note.cc b/gtk2_ardour/canvas-note.cc
new file mode 100644
index 0000000000..5e8eb6904f
--- /dev/null
+++ b/gtk2_ardour/canvas-note.cc
@@ -0,0 +1,91 @@
+#include "canvas-note.h"
+#include "midi_region_view.h"
+#include "public_editor.h"
+#include "ardour/note.h"
+
+using namespace ARDOUR;
+
+namespace Gnome {
+namespace Canvas {
+
+bool
+CanvasNote::on_event(GdkEvent* ev)
+{
+	double          event_x;
+	static double   middle_point, pressed_x, last_x;
+	Gdk::Cursor     cursor;
+	static NoteEnd  note_end;
+
+	switch(ev->type) {
+	case GDK_BUTTON_PRESS:
+		if (ev->button.button == 2) {
+			event_x = ev->button.x;
+			middle_point = x1() + (x2() - x1()) / 2.0L;
+
+			if(event_x <= middle_point) {
+				cursor = Gdk::Cursor(Gdk::LEFT_SIDE);
+				last_x = x1();
+				note_end = NOTE_ON;
+			} else {
+				cursor = Gdk::Cursor(Gdk::RIGHT_SIDE);
+				last_x = x2();
+				note_end = NOTE_OFF;
+			}
+
+			_item->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, cursor, ev->motion.time);
+
+			if (_region.mouse_state() == MidiRegionView::SelectTouchDragging) {
+				_mouse2_state = AbsoluteResize;
+			} else {
+				_mouse2_state = RelativeResize;
+			}
+
+			pressed_x = event_x;
+
+			_region.note_selected(this, true);
+			_region.begin_resizing(note_end);
+
+			return true;
+		}
+
+	case GDK_MOTION_NOTIFY:
+		event_x = ev->motion.x;
+
+		if (_mouse2_state == RelativeResize) {
+			_region.update_resizing(note_end, event_x - last_x, true);
+			last_x = event_x;
+			return true;
+		}
+
+		if (_mouse2_state == AbsoluteResize) {
+			_region.update_resizing(note_end, event_x, false);
+			return true;
+		}
+
+	case GDK_BUTTON_RELEASE:
+		event_x = ev->button.x;
+
+		switch (_mouse2_state) {
+		case RelativeResize: // Clicked
+			_item->ungrab(ev->button.time);
+			_region.commit_resizing(note_end, event_x, true);
+			_mouse2_state = None;
+			return true;
+
+		case AbsoluteResize: // Clicked
+			_item->ungrab(ev->button.time);
+			_region.commit_resizing(note_end, event_x, false);
+			_mouse2_state = None;
+			return true;
+
+		default:
+			return CanvasMidiEvent::on_event(ev);
+		}
+
+	default:
+		return CanvasMidiEvent::on_event(ev);
+	}
+}
+
+} // namespace Gnome
+} // namespace Canvas