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//=============================================================================
// MusE
// Linux Music Editor
// pixmap_button.cpp
// (C) Copyright 2011 Tim E. Real (terminator356 on users.sourceforge.net)
//
// 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; version 2 of
// the License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//=============================================================================
#include <QString>
#include <QWidget>
#include <QSize>
#include <QFont>
#include <QPainter>
#include <QPixmap>
#include <QPaintEvent>
#include <QMouseEvent>
#include "pixmap_button.h"
namespace MusEGui {
PixmapButton::PixmapButton(QWidget* parent)
: QWidget(parent)
{
_onPixmap = 0;
_offPixmap = 0;
_margin = 0;
_checked = false;
_checkable = false;
QFont fnt = font();
fnt.setPointSize(8);
setFont(fnt);
}
PixmapButton::PixmapButton(QPixmap* on_pixmap, QPixmap* off_pixmap, int margin, QWidget* parent, const QString& text)
: QWidget(parent)
{
_text = text;
_onPixmap = on_pixmap;
_offPixmap = off_pixmap;
_margin = margin;
_checked = false;
_checkable = false;
if(_offPixmap)
setMinimumSize(_offPixmap->size().width() + 2*_margin, _offPixmap->size().height() + 2*_margin);
else
setMinimumSize(10 + 2*_margin, 10 + 2*_margin);
//font().s
QFont fnt = font();
fnt.setPointSize(8);
setFont(fnt);
}
QSize PixmapButton::minimumSizeHint () const
{
return QSize(10, 10);
}
void PixmapButton::setMargin(int v)
{
_margin = v;
if(_offPixmap)
setMinimumSize(_offPixmap->size().width() + 2*_margin, _offPixmap->size().height() + 2*_margin);
update();
}
void PixmapButton::setOffPixmap(QPixmap* pm)
{
_offPixmap = pm;
if(_offPixmap)
setMinimumSize(_offPixmap->size().width() + 2*_margin, _offPixmap->size().height() + 2*_margin);
else
setMinimumSize(10 + 2*_margin, 10 + 2*_margin);
update();
}
void PixmapButton::setOnPixmap(QPixmap* pm)
{
_onPixmap = pm;
update();
}
void PixmapButton::setCheckable(bool v)
{
_checkable = v;
if(!_checkable)
_checked = false;
update();
}
void PixmapButton::setChecked(bool v)
{
if(!_checkable)
return;
if(_checked == v)
return;
_checked = v;
update();
emit toggled(_checked);
}
void PixmapButton::setDown(bool v)
{
if(!_checkable)
return;
if(_checked == v)
return;
_checked = v;
update();
}
void PixmapButton::paintEvent(QPaintEvent* e)
{
QWidget::paintEvent(e);
QPainter p(this);
int w2 = width() / 2;
int h2 = height() / 2;
int mw = _offPixmap->size().width();
int mh = _offPixmap->size().height();
int mw2 = mw / 2;
int mh2 = mh / 2;
if(!_text.isEmpty())
//p.drawText(w2 - mw2, h2 - mh2, mw, mh, *pm);
p.drawText(_margin, height() - _margin, _text);
else
{
QPixmap* pm = _checked ? _onPixmap : _offPixmap;
if(pm)
p.drawPixmap(w2 - mw2, h2 - mh2, mw, mh, *pm);
}
}
void PixmapButton::mousePressEvent(QMouseEvent* e)
{
if(_checkable)
_checked = !_checked;
update();
emit pressed();
if(_checkable)
emit toggled(_checked);
//e->setAccepted(true); // This makes menu not close when mouse is released. May be desireable with many small buttons...
QWidget::mousePressEvent(e); // Hm, need this so menus can close.
}
void PixmapButton::mouseReleaseEvent(QMouseEvent* e)
{
emit clicked(_checked);
//e->setAccepted(true); // This makes menu not close when mouse is released. May be desireable with many small buttons...
QWidget::mouseReleaseEvent(e); // Hm, need this so menus can close.
}
void PixmapButton::contextMenuEvent(QContextMenuEvent * e)
{
e->accept();
}
} // MusEGui
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