Reduce memory usage

qml/main.qml

@@ -127,6 +127,8 @@ Item {
         cache: false
         smooth: true
         visible: backend.type === 0
+
+        onSourceChanged: launcher.clearPixmapCache()
     }
 
     FastBlur {

src/launcher.cpp

@@ -24,6 +24,7 @@
 #include <QApplication>
 #include <QDBusConnection>
 #include <QDBusServiceWatcher>
+#include <QPixmapCache>
 #include <QQmlContext>
 #include <QScreen>
 #include <QTimer>
@@ -143,6 +144,11 @@ bool Launcher::isPinedDock(const QString &desktop)
     return iface.call("pinned", desktop).arguments().first().toBool();
 }
 
+void Launcher::clearPixmapCache()
+{
+    QPixmapCache::clear();
+}
+
 QRect Launcher::screenRect()
 {
     return m_screenRect;

src/launcher.h

@@ -51,6 +51,8 @@ public:
     Q_INVOKABLE bool dockAvailable();
     Q_INVOKABLE bool isPinedDock(const QString &desktop);
 
+    Q_INVOKABLE void clearPixmapCache();
+
     QRect screenRect();
 
 signals:

src/main.cpp

@@ -55,7 +55,7 @@ int main(int argc, char *argv[])
     QApplication app(argc, argv);
     app.setApplicationName(QStringLiteral("cutefish-launcher"));
 
-    // QPixmapCache::setCacheLimit(1024 * 10);
+    QPixmapCache::setCacheLimit(2048);
 
     QCommandLineParser parser;
     QCommandLineOption showOption(QStringLiteral("show"), "Show Launcher");