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/*
* Copyright (C) 2009, 2010 Nicolas Bonnefon and other contributors
*
* This file is part of glogg.
*
* glogg 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.
*
* glogg 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 glogg. If not, see <http://www.gnu.org/licenses/>.
*/
#include "log.h"
#include "infoline.h"
#include <QPainter>
// This file implements InfoLine. It is responsible for decorating the
// widget and managing the completion gauge.
InfoLine::InfoLine() :
QLabel(), origPalette_( palette() ),
backgroundColor_( origPalette_.color( QPalette::Button ) ),
darkBackgroundColor_( origPalette_.color( QPalette::Dark ) )
{
setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
}
void InfoLine::displayGauge( int completion )
{
int changeoverX = width() * completion / 100;
// Create a gradient for the progress bar
QLinearGradient linearGrad( changeoverX - 1, 0, changeoverX + 1, 0 );
linearGrad.setColorAt( 0, darkBackgroundColor_ );
linearGrad.setColorAt( 1, backgroundColor_ );
// Apply the gradient to the current palette (background)
QPalette newPalette = origPalette_;
newPalette.setBrush( backgroundRole(), QBrush( linearGrad ) );
setPalette( newPalette );
}
void InfoLine::hideGauge()
{
setPalette( origPalette_ );
}
// Custom painter: draw the background then call QLabel's painter
void InfoLine::paintEvent( QPaintEvent* paintEvent )
{
// Fill the widget background
{
QPainter painter( this );
painter.fillRect( 0, 0, this->width(), this->height(),
palette().brush( backgroundRole() ) );
}
// Call the parent's painter
QLabel::paintEvent( paintEvent );
}
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