1 files changed, 87 insertions, 0 deletions
diff --git a/src/gui/editors/segment/segmentcanvas/SegmentResizer.h b/src/gui/editors/segment/segmentcanvas/SegmentResizer.h
new file mode 100644
index 0000000..9d54573
--- /dev/null
+++ b/src/gui/editors/segment/segmentcanvas/SegmentResizer.h
@@ -0,0 +1,87 @@
+
+/* -*- 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_SEGMENTRESIZER_H_
+#define _RG_SEGMENTRESIZER_H_
+
+#include "SegmentTool.h"
+#include <qstring.h>
+
+
+class QPoint;
+class QMouseEvent;
+class CompositionItem;
+
+
+namespace Rosegarden
+{
+
+class RosegardenGUIDoc;
+class CompositionView;
+
+
+/**
+ * Segment Resizer tool. Allows resizing only at the end of the segment part
+ */
+class SegmentResizer : public SegmentTool
+{
+    Q_OBJECT
+
+    friend class SegmentToolBox;
+    friend class SegmentSelector;
+
+public:
+
+    virtual void ready();
+    virtual void stow();
+
+    virtual void handleMouseButtonPress(QMouseEvent*);
+    virtual void handleMouseButtonRelease(QMouseEvent*);
+    virtual int  handleMouseMove(QMouseEvent*);
+
+    static bool cursorIsCloseEnoughToEdge(const CompositionItem&, const QPoint&, int, bool &);
+
+    void setEdgeThreshold(int e) { m_edgeThreshold = e; }
+    int getEdgeThreshold() { return m_edgeThreshold; }
+
+    static const QString ToolName;
+
+protected slots:
+    void slotCanvasScrolled(int newX, int newY);
+
+protected:
+    SegmentResizer(CompositionView*, RosegardenGUIDoc*, int edgeThreshold = 10);
+    void setBasicContextHelp(bool ctrlPressed = false);
+
+    //--------------- Data members ---------------------------------
+
+    int m_edgeThreshold;
+    bool m_resizeStart;
+};
+
+
+}
+
+#endif