Scaling fixes

Author: uglide

src/main.cpp

@@ -1,6 +1,7 @@
 #include <QDir>
 #include <QFileInfo>
 #include <QGuiApplication>
+#include <QScreen>
 
 #ifdef CRASHPAD_INTEGRATION
 #include "crashpad/handler.h"
@@ -15,10 +16,7 @@
 #define RESTART_CODE 1000
 
 int main(int argc, char *argv[])
-{           
-#if defined(Q_OS_WIN) || defined(Q_OS_LINUX)
-    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
-#endif    
+{             
     int returnCode = 0;
 
 #ifdef CRASHPAD_INTEGRATION
@@ -27,10 +25,27 @@ int main(int argc, char *argv[])
     startCrashpad(appDir);
 #endif
 
+    bool scalingSetup = false;
+
     do
     {
         Application a(argc, argv);
 
+#if defined(Q_OS_WIN) || defined(Q_OS_LINUX)
+        if (!scalingSetup) {
+            if (QGuiApplication::primaryScreen() && QGuiApplication::primaryScreen()->availableSize().width() <= 1920
+                    && QGuiApplication::primaryScreen()->devicePixelRatio() > 1
+                    && !QGuiApplication::testAttribute(Qt::AA_DisableHighDpiScaling)) {
+                QGuiApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
+            } else {
+                QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+            }
+            returnCode = RESTART_CODE;
+            scalingSetup = true;
+            continue;
+        }
+#endif
+
 #ifdef LINUX_SIGNALS
         UnixSignalWatcher sigwatch;
         sigwatch.watchForSignal(SIGINT);

src/qml/ConnectionSettignsDialog.qml

@@ -142,8 +142,10 @@ Dialog {
                         width:  settingsTabs.width - 20
                         height: settingsTabs.height
 
+                        horizontalScrollBarPolicy: Qt.ScrollBarAlwaysOff
+
                         ColumnLayout {                                                        
-                            width: mainSettingsScrollView.width - 20
+                            width: mainSettingsScrollView.width - 25
                             height: children.height
 
                             GridLayout {

src/qml/GlobalSettings.qml

@@ -30,10 +30,11 @@ Dialog {
                 id: globalSettingsScrollView
                 width: parent.width
                 height: parent.height
+                horizontalScrollBarPolicy: Qt.ScrollBarAlwaysOff
 
                 ColumnLayout {
                     id: innerLayout
-                    width: globalSettingsScrollView.width - 20
+                    width: globalSettingsScrollView.width - 25
                     height: (dialogRoot.height - 50 > implicitHeight) ? dialogRoot.height - 50 : implicitHeight
 
                     SettingsGroupTitle {