calamares/src/modules/plasmalnf/ThemeInfo.h
2020-11-16 18:14:23 +01:00

117 lines
2.6 KiB
C++

/* === This file is part of Calamares - <https://calamares.io> ===
*
* SPDX-FileCopyrightText: 2017 Adriaan de Groot <groot@kde.org>
* SPDX-License-Identifier: GPL-3.0-or-later
*
* Calamares is Free Software: see the License-Identifier above.
*
*/
#ifndef PLASMALNF_THEMEINFO_H
#define PLASMALNF_THEMEINFO_H
#include <QAbstractListModel>
#include <QList>
#include <QString>
class KPluginMetaData;
class ThemeWidget;
/** @brief describes a single plasma LnF theme.
*
* A theme description has an id, which is really the name of the desktop
* file (e.g. org.kde.breeze.desktop), a name which is human-readable and
* translated, and an optional image Page, which points to a local screenshot
* of that theme.
*/
struct ThemeInfo
{
QString id;
QString name;
QString description;
QString imagePath;
ThemeWidget* widget;
ThemeInfo()
: widget( nullptr )
{
}
explicit ThemeInfo( const QString& _id )
: id( _id )
, widget( nullptr )
{
}
explicit ThemeInfo( const QString& _id, const QString& image )
: id( _id )
, imagePath( image )
, widget( nullptr )
{
}
explicit ThemeInfo( const KPluginMetaData& );
bool isValid() const { return !id.isEmpty(); }
};
class ThemeInfoList : public QList< ThemeInfo >
{
public:
/** @brief Looks for a given @p id in the list of themes, returns nullptr if not found. */
ThemeInfo* findById( const QString& id )
{
for ( ThemeInfo& i : *this )
{
if ( i.id == id )
{
return &i;
}
}
return nullptr;
}
/** @brief Looks for a given @p id in the list of themes, returns nullptr if not found. */
const ThemeInfo* findById( const QString& id ) const
{
for ( const ThemeInfo& i : *this )
{
if ( i.id == id )
{
return &i;
}
}
return nullptr;
}
/** @brief Checks if a given @p id is in the list of themes. */
bool contains( const QString& id ) const { return findById( id ) != nullptr; }
};
class ThemesModel : public QAbstractListModel
{
Q_OBJECT
public:
enum
{
LabelRole = Qt::DisplayRole,
KeyRole = Qt::UserRole
};
explicit ThemesModel( QObject* parent );
int rowCount( const QModelIndex& = QModelIndex() ) const override;
QVariant data( const QModelIndex& index, int role ) const override;
QHash< int, QByteArray > roleNames() const override;
const ThemeInfo* findById( const QString& id ) const { return m_themes.findById( id ); }
private:
ThemeInfoList m_themes;
};
#endif