Files
sethLabels/glabels/ColorPaletteButtonItem.cpp
T
Jim Evins b797d13e40 Reconcile style accross all source files.
- All glabels code is in "glabels" top-level namespace.
- Other assorted cleanup.
2017-01-15 22:58:53 -05:00

126 lines
2.7 KiB
C++

/* ColorPaletteButtonItem.cpp
*
* Copyright (C) 2014 Jim Evins <evins@snaught.com>
*
* This file is part of gLabels-qt.
*
* gLabels-qt 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 3 of the License, or
* (at your option) any later version.
*
* gLabels-qt 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 gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ColorPaletteButtonItem.h"
#include <QMouseEvent>
#include <QPainter>
namespace glabels
{
//
// Private
//
namespace
{
const int border = 4;
const int hBox = 25;
const int outlineWidthPixels = 1;
}
///
/// Constructor From Data
///
ColorPaletteButtonItem::ColorPaletteButtonItem( const QString& text, QWidget* parent )
: QWidget(parent), mText(text), mHover(false)
{
setSizePolicy( QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed ) );
setMinimumSize( hBox+2*border+1, hBox+2*border+1 );
}
///
/// Paint Event
///
void ColorPaletteButtonItem::paintEvent( QPaintEvent* event )
{
QPainter painter(this);
//
// Draw background
//
if ( isEnabled() && mHover )
{
QLinearGradient gradient( 0, 0, 0, height() );
gradient.setColorAt( 0, palette().color( QPalette::Highlight ).lighter() );
gradient.setColorAt( 1, palette().color( QPalette::Highlight ) );
painter.setBrush( QBrush( gradient ) );
QPen pen( palette().color( QPalette::Text ) );
pen.setWidth( outlineWidthPixels );
painter.setPen( pen );
painter.drawRect( 0, 0, width()-1, height()-1 );
}
//
// Draw text
//
painter.setBrush( QBrush( Qt::NoBrush ) );
if ( isEnabled() && mHover )
{
painter.setPen( QPen( palette().color( QPalette::HighlightedText ) ) );
}
else
{
painter.setPen( QPen( palette().color( QPalette::Text ) ) );
}
QRect textRect( border, border, width()-2*border, hBox );
painter.drawText( textRect, Qt::AlignLeft|Qt::AlignVCenter, mText );
}
///
/// Enter Event
///
void ColorPaletteButtonItem::enterEvent( QEvent* event )
{
mHover = true;
update();
}
///
/// Leave Event
///
void ColorPaletteButtonItem::leaveEvent( QEvent* event )
{
mHover = false;
update();
}
///
/// Mouse Press Event
///
void ColorPaletteButtonItem::mousePressEvent( QMouseEvent* event )
{
emit activated();
}
}