add option to switch auto scrollbar hide on/off

Author: jjw24

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -97,6 +97,8 @@ public bool HideNotifyIcon
         public bool RememberLastLaunchLocation { get; set; }
         public bool IgnoreHotkeysOnFullscreen { get; set; }
 
+        public bool AutoHideScrollBar { get; set; } = false;
+
         public HttpProxy Proxy { get; set; } = new HttpProxy();
 
         [JsonConverter(typeof(JsonStringEnumConverter))]

Flow.Launcher/Languages/en.xaml

@@ -31,6 +31,8 @@
     <system:String x:Key="ignoreHotkeysOnFullscreen">Ignore hotkeys in fullscreen mode</system:String>
     <system:String x:Key="pythonDirectory">Python Directory</system:String>
     <system:String x:Key="autoUpdates">Auto Update</system:String>
+    <system:String x:Key="autoHideScrollBar">Auto Hide Scroll Bar</system:String>
+    <system:String x:Key="autoHideScrollBarToolTip">Automatically hides the setting window's scroll bar, and show when hover the mouse over it</system:String>
     <system:String x:Key="selectPythonDirectory">Select</system:String>
     <system:String x:Key="hideOnStartup">Hide Flow Launcher on startup</system:String>
     <system:String x:Key="hideNotifyIcon">Hide tray icon</system:String>

Flow.Launcher/SettingWindow.xaml

@@ -36,7 +36,7 @@
 
     <TabControl Height="auto" SelectedIndex="0">
         <TabItem Header="{DynamicResource general}">
-            <ScrollViewer ui:ScrollViewerHelper.AutoHideScrollBars="False" Margin="60,30,0,30">
+            <ScrollViewer ui:ScrollViewerHelper.AutoHideScrollBars="{Binding Settings.AutoHideScrollBar}" Margin="60,30,0,30">
                 <StackPanel Orientation="Vertical">
                     <ui:ToggleSwitch Margin="10" IsOn="{Binding PortableMode}">
                         <TextBlock Text="{DynamicResource portableMode}" />
@@ -63,9 +63,14 @@
                     <ui:ToggleSwitch Margin="10" IsOn="{Binding AutoUpdates}">
                         <TextBlock Text="{DynamicResource autoUpdates}" />
                     </ui:ToggleSwitch>
-                    <CheckBox Margin="10" IsChecked="{Binding ShouldUsePinyin}" ToolTip="{DynamicResource ShouldUsePinyinToolTip}">
+                    <CheckBox Margin="10" IsChecked="{Binding ShouldUsePinyin}"
+                              ToolTip="{DynamicResource ShouldUsePinyinToolTip}">
                         <TextBlock Text="{DynamicResource ShouldUsePinyin}" />
                     </CheckBox>
+                    <ui:ToggleSwitch Margin="10" IsOn="{Binding AutoHideScrollBar}"
+                                     ToolTip="{DynamicResource autoHideScrollBarToolTip}">
+                        <TextBlock Text="{DynamicResource autoHideScrollBar}" />
+                    </ui:ToggleSwitch>
                     <StackPanel Margin="10" Orientation="Horizontal">
                         <TextBlock Text="{DynamicResource querySearchPrecision}" FontSize="14" />
                         <ComboBox Margin="10 0 0 0" MaxWidth="200"
@@ -112,7 +117,7 @@
                     </TextBlock>
                     <ListBox SelectedIndex="0" SelectedItem="{Binding SelectedPlugin}"
                              ItemsSource="{Binding PluginViewModels}"
-                             Margin="10, 0, 10, 10" ScrollViewer.HorizontalScrollBarVisibility="Disabled" ui:ScrollViewerHelper.AutoHideScrollBars="True">
+                             Margin="10, 0, 10, 10" ScrollViewer.HorizontalScrollBarVisibility="Disabled" ui:ScrollViewerHelper.AutoHideScrollBars="{Binding Settings.AutoHideScrollBar}">
                         <ListBox.ItemTemplate>
                             <DataTemplate>
                                 <StackPanel Orientation="Horizontal" Margin="3">

Flow.Launcher/ViewModel/SettingWindowViewModel.cs

@@ -61,6 +61,18 @@ public bool AutoUpdates
             }
         }
 
+        public bool AutoHideScrollBar
+        {
+            get 
+            {
+                return Settings.AutoHideScrollBar;
+            }
+            set
+            {
+                Settings.AutoHideScrollBar = value;
+            }
+        }
+
         // This is only required to set at startup. When portable mode enabled/disabled a restart is always required
         private bool _portableMode = DataLocation.PortableDataLocationInUse();
         public bool PortableMode