You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
176 lines
4.8 KiB
176 lines
4.8 KiB
/* -*- 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.
|
|
*/
|
|
|
|
|
|
#include "SegmentSplitter.h"
|
|
|
|
#include "misc/Debug.h"
|
|
#include "base/Segment.h"
|
|
#include "base/SnapGrid.h"
|
|
#include "commands/segment/AudioSegmentSplitCommand.h"
|
|
#include "commands/segment/SegmentSplitCommand.h"
|
|
#include "CompositionItemHelper.h"
|
|
#include "CompositionView.h"
|
|
#include "document/RosegardenGUIDoc.h"
|
|
#include "gui/general/BaseTool.h"
|
|
#include "gui/general/RosegardenCanvasView.h"
|
|
#include "SegmentTool.h"
|
|
#include <kcommand.h>
|
|
#include <tqpoint.h>
|
|
#include <tqrect.h>
|
|
#include <tqstring.h>
|
|
#include <tdelocale.h>
|
|
|
|
|
|
namespace Rosegarden
|
|
{
|
|
|
|
SegmentSplitter::SegmentSplitter(CompositionView *c, RosegardenGUIDoc *d)
|
|
: SegmentTool(c, d),
|
|
m_prevX(0),
|
|
m_prevY(0)
|
|
{
|
|
RG_DEBUG << "SegmentSplitter()\n";
|
|
}
|
|
|
|
SegmentSplitter::~SegmentSplitter()
|
|
{}
|
|
|
|
void SegmentSplitter::ready()
|
|
{
|
|
m_canvas->viewport()->setCursor(TQt::splitHCursor);
|
|
setBasicContextHelp();
|
|
}
|
|
|
|
void
|
|
SegmentSplitter::handleMouseButtonPress(TQMouseEvent *e)
|
|
{
|
|
// Remove cursor and replace with line on a SegmentItem
|
|
// at where the cut will be made
|
|
CompositionItem item = m_canvas->getFirstItemAt(e->pos());
|
|
|
|
if (item) {
|
|
m_canvas->viewport()->setCursor(TQt::blankCursor);
|
|
m_prevX = item->rect().x();
|
|
m_prevX = item->rect().y();
|
|
drawSplitLine(e);
|
|
delete item;
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
SegmentSplitter::handleMouseButtonRelease(TQMouseEvent *e)
|
|
{
|
|
setBasicContextHelp();
|
|
|
|
CompositionItem item = m_canvas->getFirstItemAt(e->pos());
|
|
|
|
if (item) {
|
|
m_canvas->setSnapGrain(true);
|
|
Segment* segment = CompositionItemHelper::getSegment(item);
|
|
|
|
if (segment->getType() == Segment::Audio) {
|
|
AudioSegmentSplitCommand *command =
|
|
new AudioSegmentSplitCommand(segment, m_canvas->grid().snapX(e->pos().x()));
|
|
addCommandToHistory(command);
|
|
} else {
|
|
SegmentSplitCommand *command =
|
|
new SegmentSplitCommand(segment, m_canvas->grid().snapX(e->pos().x()));
|
|
addCommandToHistory(command);
|
|
}
|
|
|
|
m_canvas->updateContents(item->rect());
|
|
delete item;
|
|
}
|
|
|
|
// Reinstate the cursor
|
|
m_canvas->viewport()->setCursor(TQt::splitHCursor);
|
|
m_canvas->slotHideSplitLine();
|
|
}
|
|
|
|
int
|
|
SegmentSplitter::handleMouseMove(TQMouseEvent *e)
|
|
{
|
|
setBasicContextHelp();
|
|
|
|
CompositionItem item = m_canvas->getFirstItemAt(e->pos());
|
|
|
|
if (item) {
|
|
// m_canvas->viewport()->setCursor(TQt::blankCursor);
|
|
drawSplitLine(e);
|
|
delete item;
|
|
return RosegardenCanvasView::FollowHorizontal;
|
|
} else {
|
|
m_canvas->viewport()->setCursor(TQt::splitHCursor);
|
|
m_canvas->slotHideSplitLine();
|
|
return RosegardenCanvasView::NoFollow;
|
|
}
|
|
}
|
|
|
|
void
|
|
SegmentSplitter::drawSplitLine(TQMouseEvent *e)
|
|
{
|
|
m_canvas->setSnapGrain(true);
|
|
|
|
// Turn the real X into a snapped X
|
|
//
|
|
timeT xT = m_canvas->grid().snapX(e->pos().x());
|
|
int x = (int)(m_canvas->grid().getRulerScale()->getXForTime(xT));
|
|
|
|
// Need to watch y doesn't leak over the edges of the
|
|
// current Segment.
|
|
//
|
|
int y = m_canvas->grid().snapY(e->pos().y());
|
|
|
|
m_canvas->slotShowSplitLine(x, y);
|
|
|
|
TQRect updateRect(std::max(0, std::min(x, m_prevX) - 5), y,
|
|
std::max(m_prevX, x) + 5, m_prevY + m_canvas->grid().getYSnap());
|
|
m_canvas->updateContents(updateRect);
|
|
m_prevX = x;
|
|
m_prevY = y;
|
|
}
|
|
|
|
void
|
|
SegmentSplitter::contentsMouseDoubleClickEvent(TQMouseEvent*)
|
|
{
|
|
// DO NOTHING
|
|
}
|
|
|
|
void
|
|
SegmentSplitter::setBasicContextHelp()
|
|
{
|
|
if (!m_canvas->isFineGrain()) {
|
|
setContextHelp(i18n("Click on a segment to split it in two; hold Shift to avoid snapping to beat grid"));
|
|
} else {
|
|
setContextHelp(i18n("Click on a segment to split it in two"));
|
|
}
|
|
}
|
|
|
|
const TQString SegmentSplitter::ToolName = "segmentsplitter";
|
|
|
|
}
|
|
#include "SegmentSplitter.moc"
|