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89 lines
2.5 KiB
89 lines
2.5 KiB
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "SegmentEraser.h"
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#include "misc/Debug.h"
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#include "commands/segment/SegmentEraseCommand.h"
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#include "CompositionView.h"
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#include "CompositionItemImpl.h"
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#include "document/RosegardenGUIDoc.h"
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#include "gui/general/BaseTool.h"
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#include "gui/general/RosegardenCanvasView.h"
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#include "SegmentTool.h"
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#include <kcommand.h>
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#include <tqpoint.h>
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#include <tqstring.h>
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#include <tdelocale.h>
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namespace Rosegarden
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{
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SegmentEraser::SegmentEraser(CompositionView *c, RosegardenGUIDoc *d)
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: SegmentTool(c, d)
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{
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RG_DEBUG << "SegmentEraser()\n";
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}
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void SegmentEraser::ready()
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{
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m_canvas->viewport()->setCursor(TQt::pointingHandCursor);
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setBasicContextHelp();
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}
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void SegmentEraser::handleMouseButtonPress(TQMouseEvent *e)
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{
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setCurrentItem(m_canvas->getFirstItemAt(e->pos()));
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}
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void SegmentEraser::handleMouseButtonRelease(TQMouseEvent*)
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{
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if (m_currentItem) {
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// no need to test the result, we know it's good (see handleMouseButtonPress)
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CompositionItemImpl* item = dynamic_cast<CompositionItemImpl*>((_CompositionItem*)m_currentItem);
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addCommandToHistory(new SegmentEraseCommand(item->getSegment()));
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}
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setCurrentItem(CompositionItem());
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}
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int SegmentEraser::handleMouseMove(TQMouseEvent*)
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{
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setBasicContextHelp();
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return RosegardenCanvasView::NoFollow;
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}
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void SegmentEraser::setBasicContextHelp()
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{
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setContextHelp(i18n("Click on a segment to delete it"));
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}
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const TQString SegmentEraser::ToolName = "segmenteraser";
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}
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#include "SegmentEraser.moc"
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