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Diffstat (limited to 'src/gui/rulers/ControlSelector.cpp')
-rw-r--r-- | src/gui/rulers/ControlSelector.cpp | 72 |
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 index 0000000..fb4abbb --- /dev/null +++ b/src/gui/rulers/ControlSelector.cpp @@ -0,0 +1,72 @@ +/* -*- 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 <[email protected]>, + Chris Cannam <[email protected]>, + Richard Bown <[email protected]> + + 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_*/ |