1 files changed, 72 insertions, 0 deletions
diff --git a/src/gui/rulers/ControlSelector.cpp b/src/gui/rulers/ControlSelector.cpp
new file mode 100644
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+++ b/src/gui/rulers/ControlSelector.cpp
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+/* -*- 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_CONTROLSELECTOR_CPP_
+#define _RG_CONTROLSELECTOR_CPP_
+
+#include "ControlSelector.h"
+
+namespace Rosegarden {
+
+ControlSelector::ControlSelector(ControlRuler* parent)
+    : QObject(parent),
+      m_ruler(parent)
+{
+}
+
+void ControlSelector::handleMouseButtonPress(QMouseEvent *e)
+{
+    QPoint p = m_ruler->inverseMapPoint(e->pos());
+
+    getSelectionRectangle()->setX(p.x());
+    getSelectionRectangle()->setY(p.y());
+    getSelectionRectangle()->setSize(0,0);
+
+    getSelectionRectangle()->show();
+    m_ruler->canvas()->update();
+}
+
+void ControlSelector::handleMouseButtonRelease(QMouseEvent*)
+{
+    getSelectionRectangle()->hide();
+    m_ruler->canvas()->update();
+}
+
+void ControlSelector::handleMouseMove(QMouseEvent *e, int, int)
+{
+    QPoint p = m_ruler->inverseMapPoint(e->pos());
+
+    int w = int(p.x() - getSelectionRectangle()->x());
+    int h = int(p.y() - getSelectionRectangle()->y());
+    if (w > 0) ++w; else --w;
+    if (h > 0) ++h; else --h;
+
+    getSelectionRectangle()->setSize(w, h);
+
+    m_ruler->canvas()->update();
+}
+
+}
+
+#endif /*CONTROLSELECTOR_CPP_*/