From 1ecc46ee977805418faae3d1c57aefc828203d95 Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Wed, 10 Oct 2018 11:03:49 +0200
Subject: maybe a fix for DPI

---
 src/main.cpp | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index 9ad40ae..ac8ab13 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -27,6 +27,9 @@
 
 #include <QApplication>
 #include <QMenuBar>
+#include <QDesktopWidget>
+#include <QDebug>
+#include <QScreen>
 
 // #ifdef Q_OS_WIN
 // #include <Windows.h>
@@ -37,13 +40,30 @@ int main(int argc, char *argv[])
     // #ifdef Q_OS_WIN
     //     SetProcessDPIAware();
     // #endif
-    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+//    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
-    //QCoreApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
+
+    // dummy application for detecting DPI
+    QApplication *a0 = new QApplication(argc, argv);
+    qDebug() << "physical DPI" << QApplication::screens()[0]->physicalDotsPerInch();
+
+    if (QApplication::screens()[0]->physicalDotsPerInch() >= 100) {
+        QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    } else {
+        QApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
+    }
+
+    delete a0;
+
     QApplication a(argc, argv);
     a.setQuitOnLastWindowClosed(false);
+
+
+
     tikzit = new Tikzit();
     tikzit->init();
+
+
 	
     if (a.arguments().length() > 1) {
         tikzit->open(a.arguments()[1]);
-- 
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