Don't hardcode temp path

src/capture/workers/launcher/applauncherwidget.cpp

@@ -92,10 +92,11 @@ AppLauncherWidget::AppLauncherWidget(const QPixmap &p, QWidget *parent):
 
 void AppLauncherWidget::launch(const QModelIndex &index) {
 	if (!QFileInfo(m_tempFile).isReadable()) {
-		m_tempFile = FileNameHandler().generateAbsolutePath("/tmp") + ".png";
+        m_tempFile = FileNameHandler().generateAbsolutePath(QDir::tempPath()) + ".png";
 		bool ok = m_pixmap.save(m_tempFile);
 		if (!ok) {
-            QMessageBox::about(this, tr("Error"), tr("Unable to write in") + "/tmp.");
+            QMessageBox::about(this, tr("Error"), tr("Unable to write in")
+                               + QDir::tempPath());
 			return;
 		}
 	}

src/utils/screengrabber.cpp

@@ -26,6 +26,7 @@
 #ifdef Q_OS_LINUX
 #include <QDBusInterface>
 #include <QDBusReply>
+#include <QDir>
 #endif
 
 ScreenGrabber::ScreenGrabber(QObject *parent) : QObject(parent) {
@@ -41,7 +42,7 @@ QPixmap ScreenGrabber::grabEntireDesktop(bool &ok) {
         switch (m_info.windowManager()) {
 		case m_info.GNOME: {
             // https://github.com/GNOME/gnome-shell/blob/695bfb96160033be55cfb5ac41c121998f98c328/data/org.gnome.Shell.Screenshot.xml
-			QString path = FileNameHandler().generateAbsolutePath("/tmp") + ".png";
+            QString path = FileNameHandler().generateAbsolutePath(QDir::tempPath()) + ".png";
 			QDBusInterface gnomeInterface(QStringLiteral("org.gnome.Shell"),
 										  QStringLiteral("/org/gnome/Shell/Screenshot"),
 										  QStringLiteral("org.gnome.Shell.Screenshot"));