Improve settings window.

app/main.cpp

@@ -41,11 +41,11 @@ int main(int argc, char *argv[])
 #if defined(Q_OS_MAC)
     // This allows UTF-8 characters usage in OSX.
     setenv("LC_CTYPE", "UTF-8", 1);
-
-    // Force fusion style on macOS
-    QQuickStyle::setStyle("Fusion");
 #endif
 
+    // Force fusion style on every platform
+    QQuickStyle::setStyle("Fusion");
+
     if (argc>1 && (!strcmp(argv[1],"-h") || !strcmp(argv[1],"--help"))) {
         QTextStream cout(stdout, QIODevice::WriteOnly);
         cout << "Usage: " << argv[0] << " [--default-settings] [--workdir <dir>] [--program <prog>] [-p|--profile <prof>] [--fullscreen] [-h|--help]" << endl;

app/qml/SettingsWindow.qml

@@ -27,14 +27,17 @@ import QtQuick.Dialogs 1.1
 Window {
     id: settings_window
     title: qsTr("Settings")
-    width: 800
-    height: 600
+    width: 600
+    height: 480
 
     property int tabmargins: 15
 
+    Item {
+        anchors { fill: parent;  margins: tabmargins }
+
         TabBar {
             id: bar
-        anchors { left: parent.left; right: parent.right; top: parent.top }
+            anchors { left: parent.left; right: parent.right; top: parent.top; }
             TabButton {
                 text: qsTr("General")
             }
@@ -49,15 +52,17 @@ Window {
             }
         }
 
-    StackLayout {
+        Frame {
             anchors {
                 top: bar.bottom
                 left: parent.left
                 right: parent.right
                 bottom: parent.bottom
-            margins: tabmargins
             }
 
+            StackLayout {
+                anchors.fill: parent
+
                 currentIndex: bar.currentIndex
 
                 SettingsGeneralTab { }
@@ -66,3 +71,5 @@ Window {
                 SettingsAdvancedTab { }
             }
         }
+    }
+}