colorbutton.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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 **********************************************************************/
 
#include "colorbutton.h"
#include <QColorDialog>
 
namespace LC
{
namespace Util
{
    ColorButton::ColorButton (QWidget *parent)
    : QPushButton { parent }
    {
        connect (this,
                SIGNAL (released ()),
                this,
                SLOT (handleSelector ()));
 
        SetColor (Qt::black);
    }
 
    QColor ColorButton::GetColor () const
    {
        return Color_;
    }
 
    void ColorButton::SetColor (const QColor& color)
    {
        if (Color_ == color)
            return;
 
        Color_ = color;
        emit colorChanged (Color_);
 
        QPixmap px { iconSize () };
        px.fill (Color_);
        setIcon (px);
    }
 
    void ColorButton::handleSelector ()
    {
        const auto color = QColorDialog::getColor (Color_,
                this,
                tr ("Select color"),
                QColorDialog::ShowAlphaChannel);
        if (!color.isValid ())
            return;
 
        SetColor (color);
    }
}
}