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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* canvastoollisten.cc
*
* Fri Jul 29 16:57:48 CEST 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "canvastoollisten.h"
#include <QApplication>
CanvasToolListen::CanvasToolListen(Canvas* c, Player& p)
: player(p)
{
lastpos = pos = 0;
canvas = c ;
}
bool CanvasToolListen::mousePressEvent(QMouseEvent* event)
{
if(!isActive())
{
return false;
}
player.setPosition(canvas->unmapX(event->x()));
canvas->update();
connect(&player, SIGNAL(positionUpdate(size_t)), this, SLOT(update(size_t)));
return true;
}
bool CanvasToolListen::mouseReleaseEvent(QMouseEvent* event)
{
if(!isActive())
{
return false;
}
player.stop();
disconnect(&player, SIGNAL(positionUpdate(size_t)),
this, SLOT(update(size_t)));
lastpos = 0;
canvas->update();
return true;
}
void CanvasToolListen::paintEvent(QPaintEvent* event, QPainter& painter)
{
if(!isActive())
{
return;
}
if(player.pos < player.end)
{
painter.setPen(QColor(0, 127, 127));
painter.drawLine(canvas->mapX(pos),
event->rect().y(),
canvas->mapX(pos),
event->rect().y() + event->rect().height());
}
}
void CanvasToolListen::update(size_t pos)
{
this->pos = pos;
size_t last = canvas->mapX(lastpos);
size_t x = canvas->mapX(player.pos);
QRect r(last, 0,
x - last + 2, canvas->height());
canvas->update(r);
lastpos = pos;
}
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