1 files changed, 78 insertions, 0 deletions
diff --git a/src/gui/rulers/PitchRuler.h b/src/gui/rulers/PitchRuler.h
new file mode 100644
index 0000000..3c47709
--- /dev/null
+++ b/src/gui/rulers/PitchRuler.h
@@ -0,0 +1,78 @@
+
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+
+    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 the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _RG_PITCHRULER_H_
+#define _RG_PITCHRULER_H_
+
+#include <qsize.h>
+#include <qwidget.h>
+
+
+
+
+namespace Rosegarden
+{
+
+
+
+class PitchRuler : public QWidget
+{
+    Q_OBJECT
+public:
+    PitchRuler(QWidget *parent);
+
+    virtual QSize sizeHint() const;
+    virtual QSize minimumSizeHint() const;
+
+    virtual void drawHoverNote(int evPitch) = 0;
+
+signals:
+
+    /**
+     * A pitch has been clicked.
+     * y is the simple event y-coordinate.
+     * If the user is in the middle of dragging, repeating will be set.
+     */
+    void keyPressed(unsigned int y, bool repeating);
+
+    /**
+     * A pitch has been clicked with the selection modifier pressed.
+     * y is the simple event y-coordinate.
+     * If the user is in the middle of dragging, repeating will be set.
+     */
+    void keySelected(unsigned int y, bool repeating);
+
+    /**
+     * Emitted when the mouse cursor moves to a different pitch when
+     * not clicking or selecting.
+     * y is the simple event y-coordinate.
+     */
+    void hoveredOverKeyChanged(unsigned int y);
+};
+
+
+}
+
+#endif