From 0dedb603857532b213936c36a1c9e61ba6d3f503 Mon Sep 17 00:00:00 2001
From: Victor Kropp <victor@kropp.name>
Date: Thu, 4 Aug 2016 16:42:46 +0200
Subject: [PATCH] Save temp icon in higher resolution on HiDPI screens

In case temporary system tray icon is saved to /tmp, scale it according
to current devicePixelRatio() instead of using hardcoded 22x22.

Change-Id: I2adf2151da3241f4600f8645e323346daabcec4b
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
---
 src/platformsupport/dbustray/qdbustrayicon.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/platformsupport/dbustray/qdbustrayicon.cpp b/src/platformsupport/dbustray/qdbustrayicon.cpp
index da368bf9b7..33e320ad6d 100644
--- a/src/platformsupport/dbustray/qdbustrayicon.cpp
+++ b/src/platformsupport/dbustray/qdbustrayicon.cpp
@@ -161,9 +161,10 @@ QTemporaryFile *QDBusTrayIcon::tempIcon(const QIcon &icon)
     }
     if (!necessary)
         return Q_NULLPTR;
+    qreal dpr = qGuiApp->devicePixelRatio();
     QTemporaryFile *ret = new QTemporaryFile(TempFileTemplate, this);
     ret->open();
-    icon.pixmap(QSize(22, 22)).save(ret);
+    icon.pixmap(QSize(22 * dpr, 22 * dpr)).save(ret);
     ret->close();
     return ret;
 }