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move this over to where it will end up and is easier to test

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svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=771659
This commit is contained in:
Aaron J. Seigo 2008-02-06 16:51:07 +00:00
parent 9244e126f2
commit eed057c39a
1 changed files with 144 additions and 0 deletions
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/*
* Copyright 2008 by Aaron Seigo <aseigo@kde.org>
* Copyright 2008 Marco Martin <notmart@gmail.com>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_SVGPANEL_H
#define PLASMA_SVGPANEL_H
#include <QtCore/QObject>
#include <QPixmap>
#include <plasma/plasma_export.h>
#include <plasma/svg.h>
#include <plasma/layouts/layout.h>
class QPainter;
class QPoint;
class QPointF;
class QRect;
class QRectF;
class QSize;
class QSizeF;
class QMatrix;
namespace Plasma
{
class PLASMA_EXPORT SvgPanel : public QObject
{
Q_OBJECT
public:
/**
* These flags represents what borders should be drawn
*/
enum BorderFlag { DrawTop = 1,
DrawBottom = 2,
DrawLeft = 4,
DrawRight = 8,
ContentAtOrigin = 16
};
Q_DECLARE_FLAGS(BorderFlags, BorderFlag)
/**
* Constructs a new SvgPanel that paints the proper named subelements
* as borders
*
* The size is initialized to be the SVG's native size.
*
* @arg imagePath the image to show. If a relative path is passed, then
* Plasma::Theme is used to load the SVG.
* @arg parent options QObject to parent this to
*
* @related Plasma::Theme
*/
explicit SvgPanel(const QString& imagePath = QString(), QObject* parent = 0);
~SvgPanel();
/**
* Loads a new Svg
* @arg imagePath the new file
*/
void setFile(const QString& imagePath);
/**
* Convenience method to get the svg filepath and name of svg.
* @return the svg's filepath including name of the svg.
*/
QString file() const;
/**
* Sets what borders should be painted
* @arg flags borders we want to paint
*/
void setBorderFlags(const BorderFlags flags);
/**
* Convenience method to get the border flags
* @return what borders are painted
*/
BorderFlags borderFlags() const;
/**
* Resize the panel maintaining the same border size
* @arg size the new size of the panel
*/
void resize(const QSizeF& size);
/**
* Returns the margin size given the margin edge we want
* @arg edge the margin edge we want, top, bottom, left or right
* @return the margin size
*/
qreal marginSize(const Plasma::Layout::MarginEdge edge) const;
/**
* Paints the loaded SVG with the elements that represents the border
* @arg painter the QPainter to use
* @arg rect the exposed rect to draw into
*/
Q_INVOKABLE void paint(QPainter* painter, const QRectF& rect);
private slots:
//update sizes of the svg elements
void updateSizes();
private:
BorderFlags bFlags;
QPixmap *cachedBackground;
Svg *m_background;
QSizeF panelSize;
//measures
int topHeight;
int topWidth;
int leftWidth;
int leftHeight;
int rightWidth;
int bottomHeight;
//size of the svg where the size of the "center"
//element is contentWidth x contentHeight
QSizeF scaledSize;
bool noBorderPadding : 1;
bool stretchBorders : 1;
};
} // Plasma namespace
#endif // multiple inclusion guard