Add setting to change color scheme

src/elisa_core.kcfg

@@ -36,6 +36,8 @@
     <choice name="AllGenres" />
    </choices>
   </entry>
+  <entry key="ColorScheme" type="String">
+  </entry>
   <entry key="SortRolePreferences" type="StringList">
   </entry>
   <entry key="SortOrderPreferences" type="StringList">

src/elisaapplication.cpp

@@ -33,6 +33,7 @@
 #include <KXmlGui/KShortcutsDialog>
 #endif
 
+#include <KColorSchemeManager>
 #include <KCoreAddons/KAboutData>
 
 #include <QQmlEngine>
@@ -89,6 +90,7 @@ public:
 
     QFileSystemWatcher mConfigFileWatcher;
 
+    KColorSchemeManager *mSchemes;
 };
 
 ElisaApplication::ElisaApplication(QObject *parent) : QObject(parent), d(std::make_unique<ElisaApplicationPrivate>(this))
@@ -99,6 +101,8 @@ ElisaApplication::ElisaApplication(QObject *parent) : QObject(parent), d(std::ma
     Elisa::ElisaConfiguration::self()->load();
     Elisa::ElisaConfiguration::self()->save();
 
+    d->mSchemes = new KColorSchemeManager(this);
+
     d->mConfigFileWatcher.addPath(Elisa::ElisaConfiguration::self()->config()->name());
 
     connect(Elisa::ElisaConfiguration::self(), &Elisa::ElisaConfiguration::configChanged,
@@ -114,6 +118,16 @@ ElisaApplication::ElisaApplication(QObject *parent) : QObject(parent), d(std::ma
 ElisaApplication::~ElisaApplication()
 = default;
 
+QAbstractItemModel *ElisaApplication::colorSchemesModel()
+{
+    return d->mSchemes->model();
+}
+
+void ElisaApplication::activateColorScheme(const QString &name)
+{
+    d->mSchemes->activateScheme(d->mSchemes->indexForScheme(name));
+}
+
 void ElisaApplication::setupActions(const QString &actionName)
 {
 #if defined KF5XmlGui_FOUND && KF5XmlGui_FOUND

src/elisaapplication.h

@@ -31,6 +31,8 @@ class ManageHeaderBar;
 class QQmlEngine;
 class ElisaApplicationPrivate;
 class QSessionManager;
+class KColorSchemeManager;
+class QAbstractItemModel;
 
 class ELISALIB_EXPORT ElisaApplication : public QObject
 {
@@ -84,6 +86,10 @@ class ELISALIB_EXPORT ElisaApplication : public QObject
                READ showSystemTrayIcon
                NOTIFY showSystemTrayIconChanged)
 
+    Q_PROPERTY(QAbstractItemModel* colorSchemesModel
+               READ colorSchemesModel
+               CONSTANT)
+
 public:
     explicit ElisaApplication(QObject *parent = nullptr);
 
@@ -173,6 +179,8 @@ public Q_SLOTS:
 
     void initialize();
 
+    void activateColorScheme(const QString &name);
+
 public:
 
     void setQmlEngine(QQmlEngine *engine);
@@ -208,6 +216,8 @@ private:
     DataTypes::EntryDataList checkFileListAndMakeAbsolute(const DataTypes::EntryDataList &filesList,
                                                               const QString &workingDirectory) const;
 
+    QAbstractItemModel *colorSchemesModel();
+
     std::unique_ptr<ElisaApplicationPrivate> d;
 
 };

src/localFileConfiguration/elisaconfigurationdialog.cpp

@@ -77,6 +77,7 @@ void ElisaConfigurationDialog::save()
     Elisa::ElisaConfiguration::setShowSystemTrayIcon(mShowSystemTrayIcon);
     Elisa::ElisaConfiguration::setForceUsageOfFastFileSearch(mForceUsageOfFastFileSearch);
     Elisa::ElisaConfiguration::setPlayAtStartup(mPlayAtStartup);
+    Elisa::ElisaConfiguration::setColorScheme(mColorScheme);
 
     Elisa::ElisaConfiguration::setEmbeddedView(Elisa::ElisaConfiguration::EnumEmbeddedView::NoView);
     switch (mEmbeddedView)
@@ -167,12 +168,24 @@ void ElisaConfigurationDialog::setPlayAtStartup(bool playAtStartup)
     setDirty();
 }
 
+void ElisaConfigurationDialog::setColorScheme(const QString &scheme)
+{
+    if (mColorScheme == scheme) {
+        return;
+    }
+    mColorScheme = scheme;
+    Q_EMIT colorSchemeChanged();
+
+    setDirty();
+}
+
 void ElisaConfigurationDialog::configChanged()
 {
     setRootPath(Elisa::ElisaConfiguration::rootPath());
     setShowProgressInTaskBar(Elisa::ElisaConfiguration::showProgressOnTaskBar());
     setShowSystemTrayIcon(Elisa::ElisaConfiguration::showSystemTrayIcon());
     setPlayAtStartup(Elisa::ElisaConfiguration::playAtStartup());
+    setColorScheme(Elisa::ElisaConfiguration::colorScheme());
 
     switch (Elisa::ElisaConfiguration::embeddedView())
     {

src/localFileConfiguration/elisaconfigurationdialog.h

@@ -53,6 +53,11 @@ class ELISALIB_EXPORT ElisaConfigurationDialog : public QObject
                WRITE setPlayAtStartup
                NOTIFY playAtStartupChanged)
 
+        Q_PROPERTY(QString colorScheme
+                   READ colorScheme
+                   WRITE setColorScheme
+                   NOTIFY colorSchemeChanged)
+
 public:
 
     explicit ElisaConfigurationDialog(QObject *parent = nullptr);
@@ -91,6 +96,11 @@ public:
         return mPlayAtStartup;
     }
 
+    QString colorScheme() const
+    {
+        return mColorScheme;
+    }
+
 Q_SIGNALS:
 
     void rootPathChanged(const QStringList &rootPath);
@@ -107,6 +117,8 @@ Q_SIGNALS:
 
     void playAtStartupChanged();
 
+    void colorSchemeChanged();
+
 public Q_SLOTS:
 
     void setRootPath(const QStringList &rootPath);
@@ -123,6 +135,8 @@ public Q_SLOTS:
 
     void setPlayAtStartup(bool playAtStartup);
 
+    void setColorScheme(const QString &scheme);
+
 private Q_SLOTS:
 
     void configChanged();
@@ -145,6 +159,8 @@ private:
 
     bool mPlayAtStartup = false;
 
+    QString mColorScheme;
+
     ElisaUtils::PlayListEntryType mEmbeddedView = ElisaUtils::Unknown;
 };
 

src/qml/ApplicationMenu.qml

@@ -8,6 +8,7 @@
 import QtQuick 2.7
 import QtQuick.Controls 2.3
 import org.kde.elisa 1.0
+import org.kde.kirigami 2.5 as Kirigami
 
 Menu {
     id: applicationMenu
@@ -29,6 +30,24 @@ Menu {
         }
     }
 
+    Menu {
+        title: i18n("Color Scheme")
+        Repeater {
+            model: ElisaApplication.colorSchemesModel
+            delegate: Kirigami.BasicListItem {
+                icon: model.decoration
+                text: model.display
+                highlighted: model.display === ElisaConfigurationDialog.colorScheme
+                onClicked: {
+                    ElisaApplication.activateColorScheme(model.display)
+                    ElisaConfigurationDialog.setColorScheme(model.display)
+                    ElisaConfigurationDialog.save()
+                    applicationMenu.close()
+                }
+            }
+        }
+    }
+
     MenuSeparator {
     }
 

src/qml/ElisaMainWindow.qml

@@ -32,7 +32,7 @@ Kirigami.ApplicationWindow {
             onPausePlayback: ElisaApplication.audioControl.playPause()
         }
     }
-    
+
     minimumWidth: 590
     property int minHeight: 320
 
@@ -345,6 +345,7 @@ Kirigami.ApplicationWindow {
     Component.onCompleted:
     {
         ElisaApplication.initialize()
+        ElisaApplication.activateColorScheme(ElisaConfigurationDialog.colorScheme)
 
         if (persistentSettings.playListState) {
             ElisaApplication.mediaPlayListProxyModel.persistentState = persistentSettings.playListState