From e275c3ba5281dcee3e8d21fb64390e33669bfdf1 Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Fri, 3 Jul 2015 00:31:42 +0800
Subject: [PATCH] Add helper function: Get DPI scaled icon size
 (device-dependent)

---
 src/core/utils/misc.cpp               | 10 ++++++++++
 src/core/utils/misc.h                 |  1 +
 src/gui/transferlistfilterswidget.cpp |  2 +-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/core/utils/misc.cpp b/src/core/utils/misc.cpp
index 3eba4280f..6a4027fd1 100644
--- a/src/core/utils/misc.cpp
+++ b/src/core/utils/misc.cpp
@@ -43,6 +43,7 @@
 #else
 #include <QApplication>
 #include <QDesktopWidget>
+#include <QStyle>
 #endif
 
 #ifdef Q_OS_WIN
@@ -543,3 +544,12 @@ void Utils::Misc::msleep(unsigned long msecs)
 {
     SleeperThread::msleep(msecs);
 }
+
+#ifndef DISABLE_GUI
+QSize Utils::Misc::smallIconSize()
+{
+    // Get DPI scaled icon size (device-dependent), see QT source
+    int s = QApplication::style()->pixelMetric(QStyle::PM_SmallIconSize);
+    return QSize(s, s);
+}
+#endif
diff --git a/src/core/utils/misc.h b/src/core/utils/misc.h
index dd390fb06..13d215ced 100644
--- a/src/core/utils/misc.h
+++ b/src/core/utils/misc.h
@@ -54,6 +54,7 @@ namespace Utils
         void shutdownComputer(ShutdownAction action);
         // Get screen center
         QPoint screenCenter(QWidget *win);
+        QSize smallIconSize();
 #endif
         int pythonVersion();
         QString pythonExecutable();
diff --git a/src/gui/transferlistfilterswidget.cpp b/src/gui/transferlistfilterswidget.cpp
index a0dd199b3..7fea947ef 100644
--- a/src/gui/transferlistfilterswidget.cpp
+++ b/src/gui/transferlistfilterswidget.cpp
@@ -67,7 +67,7 @@ FiltersBase::FiltersBase(QWidget *parent, TransferListWidget *transferList)
     setUniformItemSizes(true);
     setSpacing(0);
 
-    setIconSize(QSize(16, 16));
+    setIconSize(Utils::Misc::smallIconSize());
 
 #if defined(Q_OS_MAC)
     setAttribute(Qt::WA_MacShowFocusRect, false);