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/*****************************************************************************
* Copyright (C) 2006-2010 by Peter Penz <peter.penz@gmx.at> *
* Copyright (C) 2006 by Aaron J. Seigo <aseigo@kde.org> *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public License *
* along with this library; see the file COPYING.LIB. If not, write to *
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
* Boston, MA 02110-1301, USA. *
*****************************************************************************/
#ifndef KURLNAVIGATORBUTTONBASE_P_H
#define KURLNAVIGATORBUTTONBASE_P_H
#include <QtGui/QColor>
#include <QtGui/QPushButton>
class KUrl;
class QEvent;
namespace KDEPrivate
{
/**
* @brief Base class for buttons of the URL navigator.
*
* Buttons of the URL navigator offer an an active/inactive
* state and custom display hints.
*/
class KUrlNavigatorButtonBase : public QPushButton
{
Q_OBJECT
public:
explicit KUrlNavigatorButtonBase(QWidget* parent);
virtual ~KUrlNavigatorButtonBase();
/**
* When having several URL navigator instances, it is important
* to provide a visual difference to indicate which URL navigator
* is active (usecase: split view in Dolphin). The activation state
* is independent from the the focus or hover state.
* Per default the URL navigator button is marked as active.
*/
void setActive(bool active);
bool isActive() const;
protected:
enum DisplayHint {
EnteredHint = 1,
DraggedHint = 2,
PopupActiveHint = 4
};
enum { BorderWidth = 2 };
void setDisplayHintEnabled(DisplayHint hint, bool enable);
bool isDisplayHintEnabled(DisplayHint hint) const;
virtual void focusInEvent(QFocusEvent *event);
virtual void focusOutEvent(QFocusEvent *event);
virtual void enterEvent(QEvent* event);
virtual void leaveEvent(QEvent* event);
void drawHoverBackground(QPainter* painter);
/** Returns the foreground color by respecting the current display hint. */
QColor foregroundColor() const;
private Q_SLOTS:
/** Invokes setActive(true). */
void activate();
private:
bool m_active;
int m_displayHint;
};
} // namespace KDEPrivate
#endif
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