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#ifndef SvgPlasmaInterface_h
#define SvgPlasmaInterface_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 2 of the License, or (at your option) any later
* version.
*
* This software 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
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "File.h"
#include <QBasicTimer>
#include <QFileSystemWatcher>
#include <QObject>
#include <QPalette>
#include <QString>
#include <QTimerEvent>
namespace Svg
{
//* kde specific interface to plasma to load matching Svg background
class SvgPlasmaInterface: public QObject
{
Q_OBJECT
public:
//* constructor
explicit SvgPlasmaInterface( QObject* = nullptr );
//*@name accessors
//@{
//* image path
enum ImagePath
{
DialogBackground,
WidgetBackground,
WidgetTranslucentBackground
};
//* validity
bool isValid() const
{ return valid_; }
//* filename
QString fileName() const
{ return filename_; }
//* theme palette
bool hasThemePalette() const
{ return !themePaletteFilename_.isEmpty() && themePaletteFilename_.exists(); }
//* theme palette
QPalette themePalette() const;
//@}}
//*@name modifiers
//@{
//* image path
bool setImagePath( ImagePath );
//* get default theme from configuration file
/** returns true if changed */
bool loadTheme();
//* load svg filename
/** returns true if changed */
bool loadFile();
//@}
Q_SIGNALS:
//* emitted when svg file changed
void themeChanged();
protected Q_SLOTS:
//* configuration file modified
void _configurationFileChanged( const QString& );
protected:
//* timer event
void timerEvent( QTimerEvent* ) override;
private:
//* validity
bool _setValid( bool value )
{
if( valid_ == value ) return false;
valid_ = value;
return true;
}
//* set theme
bool _setTheme( const QString& );
//* set path matching theme
bool _setPath( const File& );
//* set filename
/** returns true when changed */
bool _setFileName( const File& );
//* return image path matching id
File _imagePath( ImagePath ) const;
//* return image path matching id
File _findImage( const File&, ImagePath ) const;
//* validity
bool valid_ = false;
//* type of svg to be loaded
ImagePath imagePath_ = WidgetBackground;
//* path to file name
/** loaded from plasma configuration */
File path_;
//* theme color file name
File themePaletteFilename_;
//* filename
File filename_;
//* file system watcher
/** needed to track modifications of kde configuration file */
QFileSystemWatcher* fileSystemWatcher_ = nullptr;
//* timer needed to prevent repeated calls to file change
QBasicTimer timer_;
};
};
#endif
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