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//===========================================
// Lumina-DE source code
// Copyright (c) 2014-2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
// This class governs all the stylesheet usage and interactions
// for the Lumina utilities to provide a consistant theme for the system
//===========================================
#ifndef _LUMINA_LIBRARY_THEMES_H
#define _LUMINA_LIBRARY_THEMES_H
#include <QApplication>
#include <QObject>
#include <QFileSystemWatcher>
#include <QString>
#include <QFile>
#include <QDir>
#include <QTimer>
#include <QDateTime>
#include <QStyle>
#include <QProxyStyle>
class LTHEME{
public:
//Read the Themes/Colors/Icons that are available on the system
static QStringList availableSystemThemes();//returns: [name::::path] for each item
static QStringList availableLocalThemes(); //returns: [name::::path] for each item
static QStringList availableSystemColors(); //returns: [name::::path] for each item
static QStringList availableLocalColors(); //returns: [name::::path] for each item
static QStringList availableSystemIcons(); //returns: [name] for each item
static QStringList availableSystemCursors(); //returns: [name] for each item
//Save a new theme/color file
static bool saveLocalTheme(QString name, QStringList contents);
static bool saveLocalColors(QString name, QStringList contents);
//Return the currently selected Theme/Colors/Icons
static QStringList currentSettings(); //returns [theme path, colorspath, iconsname, font, fontsize]
static QString currentCursor(); //returns: current cursor theme name
//Change the current Theme/Colors/Icons
static bool setCurrentSettings(QString themepath, QString colorpath, QString iconname, QString font, QString fontsize);
static bool setCursorTheme(QString cursorname);
//Return the complete stylesheet for a given theme/colors
static QString assembleStyleSheet(QString themepath, QString colorpath, QString font, QString fontsize);
//Additional info for a cursor theme
static QStringList cursorInformation(QString name); //returns: [Name, Comment, Sample Image File]
//Environment settings
static QStringList CustomEnvSettings(); //view all the key=value settings
static void LoadCustomEnvSettings(); //will push the custom settings into the environment (recommended before loading the initial QApplication)
static bool setCustomEnvSetting(QString var, QString val); //variable/value pair (use an empty val to clear it)
static QString readCustomEnvSetting(QString var);
};
// Qt Style override to allow custom themeing/colors
/*class LuminaThemeStyle : public QProxyStyle{
Q_OBJECT
private:
bool darkfont;
public:
LuminaThemeStyle();
~LuminaThemeStyle();
//Function to update the style (for use by the theme engine)
void update();
//Subclassed functions
void drawItemText(QPainter*, const QRect&, int, const QPalette&, bool, const QString&, QPalette::ColorRole) const;
};*/
//Simple class to setup a utility to use the Lumina theme
//-----Example usage in "main.cpp" -------------------------------
// LTHEME::LoadCustomEnvSettings();
// QApplication a(argc,argv);
// LuminaThemeEngine themes(&a)
//------------------------------------------------------------------------------------
// Note: If you also use LuminaXDG::findIcons() in the application and you want
// to dynamically update those icons - connect to the updateIcons() signal
//-------------------------------------------------------------------------------------
// QMainWindow w; //(or whatever the main app window is)
// QObject::connect(themes,SIGNAL(updateIcons()), &w, SLOT(updateIcons()) );
//------------------------------------------------------------------------------------
class LuminaThemeEngine : public QObject{
Q_OBJECT
public:
LuminaThemeEngine(QApplication *app);
~LuminaThemeEngine();
void refresh();
private:
QApplication *application;
QFileSystemWatcher *watcher;
QString theme,colors,icons, font, fontsize, cursors; //current settings
QTimer *syncTimer;
QDateTime lastcheck;
//LuminaThemeStyle *style;
private slots:
void watcherChange(QString);
void reloadFiles();
signals:
void updateIcons(); //Icon theme changed
void updateCursors(); //Cursor theme changed
void EnvChanged(); //Some environment variable(s) changed
};
#endif
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