calamares/src/libcalamaresui/utils/CalamaresUtilsGui.cpp

/* === This file is part of Calamares - <http://github.com/calamares> ===
 *
 *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
 *
 *   Calamares 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.
 *
 *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
 */

#include "CalamaresUtilsGui.h"

#include <QFont>
#include <QFontMetrics>
#include <QLayout>

namespace CalamaresUtils
{

static int s_defaultFontSize   = 0;
static int s_defaultFontHeight = 0;


void
unmarginLayout( QLayout* layout )
{
    layout->setContentsMargins( 0, 0, 0, 0 );
    layout->setMargin( 0 );
    layout->setSpacing( 0 );

    for ( int i = 0; i < layout->count(); i++ )
    {
        QLayout* childLayout = layout->itemAt( i )->layout();
        if ( childLayout )
            unmarginLayout( childLayout );
    }
}


int
defaultFontSize()
{
    return s_defaultFontSize;
}


int
defaultFontHeight()
{
    if ( s_defaultFontHeight <= 0 )
    {
        QFont f;
        f.setPointSize( defaultFontSize() );
        s_defaultFontHeight = QFontMetrics( f ).height();
    }

    return s_defaultFontHeight;
}


void
setDefaultFontSize( int points )
{
    s_defaultFontSize = points;
}


QSize
defaultIconSize()
{
    const int w = defaultFontHeight() * 1.6;
    return QSize( w, w );
}


}