feature(Launcher): enable scroll for tabs in title bar

SourceGit/Resources/Icons.xaml

@@ -3,6 +3,9 @@
     <Geometry x:Key="Icon.Git">M1004.824 466.4L557.72 19.328c-25.728-25.76-67.488-25.76-93.28 0L360.568 123.2l78.176 78.176c12.544-5.984 26.56-9.376 41.376-9.376 53.024 0 96 42.976 96 96 0 14.816-3.36 28.864-9.376 41.376l127.968 127.968c12.544-5.984 26.56-9.376 41.376-9.376 53.024 0 96 42.976 96 96s-42.976 96-96 96-96-42.976-96-96c0-14.816 3.36-28.864 9.376-41.376L521.496 374.624a88.837 88.837 0 0 1-9.376 3.872v266.976c37.28 13.184 64 48.704 64 90.528 0 53.024-42.976 96-96 96s-96-42.976-96-96c0-41.792 26.72-77.344 64-90.528V378.496c-37.28-13.184-64-48.704-64-90.528 0-14.816 3.36-28.864 9.376-41.376l-78.176-78.176L19.416 464.288c-25.76 25.792-25.76 67.52 0 93.28l447.136 447.072c25.728 25.76 67.488 25.76 93.28 0l444.992-444.992c25.76-25.76 25.76-67.552 0-93.28z</Geometry>
     <Geometry x:Key="Icon.Submodule">M557.696 545.347L789.873 402.66c23.998-14.999 31.297-46.496 16.398-70.493-14.798-23.798-45.995-31.197-69.993-16.699L506.501 456.555 277.123 315.37c-24.098-14.798-55.595-7.3-70.493 16.799-14.799 24.097-7.3 55.594 16.798 70.493l231.778 142.586V819.12c0 28.297 22.897 51.195 51.195 51.195 28.297 0 51.195-22.898 51.195-51.195V545.347h0.1zM506.5 0l443.356 255.975v511.95L506.501 1023.9 63.144 767.925v-511.95L506.5 0z</Geometry>
 
+    <Geometry x:Key="Icon.ScrollLeft">M753.613 996.727L269.38 511.505 754.602 27.272z</Geometry>
+    <Geometry x:Key="Icon.ScrollRight">M270.387 27.273L754.62 512.495 269.398 996.728z</Geometry>
+
     <Geometry x:Key="Icon.Minimize">F1M0,6L0,9 9,9 9,6 0,6z</Geometry>
     <Geometry x:Key="Icon.Maximize">F1M0,0L0,9 9,9 9,0 0,0 0,3 8,3 8,8 1,8 1,3z</Geometry>
     <Geometry x:Key="Icon.Restore">F1M0,10L0,3 3,3 3,0 10,0 10,2 4,2 4,3 7,3 7,6 6,6 6,5 1,5 1,10z M1,10L7,10 7,7 10,7 10,2 9,2 9,6 6,6 6,9 1,9z</Geometry>

SourceGit/SourceGit.csproj

@@ -9,7 +9,7 @@
         <Description>OpenSource GIT client for Windows</Description>
         <Copyright>Copyright © sourcegit 2020. All rights reserved.</Copyright>
         <ApplicationManifest>App.manifest</ApplicationManifest>
-        <Version>1.4</Version>
+        <Version>1.5</Version>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">

SourceGit/UI/Launcher.xaml

@@ -43,16 +43,14 @@
 
             <Grid Grid.Row="0">
                 <Grid.ColumnDefinitions>
-                    <ColumnDefinition Width="*"/>
+                    <ColumnDefinition x:Name="openedTabsColumn" Width="*"/>
+                    <ColumnDefinition Width="32"/>
                     <ColumnDefinition Width="Auto"/>
                 </Grid.ColumnDefinitions>
 
                 <!-- Tabs -->
-                <TabControl
+                <ScrollViewer x:Name="openedTabsScroller" Grid.Column="0" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Disabled">
-                    x:Name="openedTabs"
+                    <TabControl x:Name="openedTabs" Padding="0" ItemsSource="{Binding ElementName=me, Path=Tabs}" SizeChanged="OpenedTabsSizeChanged">
-                    Grid.Column="0"
-                    Padding="0"
-                    ItemsSource="{Binding ElementName=me, Path=Tabs}">
                         <TabControl.Style>
                             <Style TargetType="{x:Type TabControl}">
                                 <Setter Property="Template">
@@ -161,14 +159,24 @@
                             </DataTemplate>
                         </TabControl.ItemTemplate>
                     </TabControl>
+                </ScrollViewer>
+                
+                <!-- Tab scroller -->
+                <StackPanel x:Name="openedTabsOpts" Grid.Column="1" VerticalAlignment="Bottom" Orientation="Horizontal" Height="28" Margin="4,0,0,0" WindowChrome.IsHitTestVisibleInChrome="True">
+                    <Button Click="ScrollToLeft">
+                        <Path Width="10" Height="12" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.ScrollLeft}"/>
+                    </Button>
+                    <Button Click="ScrollToRight">
+                        <Path Width="10" Height="12" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.ScrollRight}"/>
+                    </Button>
+                </StackPanel>
 
                 <!-- Window Command -->
                 <StackPanel
-                    Grid.Column="1"
+                    Grid.Column="2"
                     Margin="32,0,0,0"
                     Orientation="Horizontal"
                     HorizontalAlignment="Right"
-                    VerticalAlignment="Top"
                     Height="32"
                     WindowChrome.IsHitTestVisibleInChrome="True">
                     <Button Click="ShowPreference" Width="24" ToolTip="PREFERENCE">

SourceGit/UI/Launcher.xaml.cs

@@ -191,5 +191,23 @@ namespace SourceGit.UI {
             }
         }
         #endregion
+
+        #region TAB_SCROLL
+        private void OpenedTabsSizeChanged(object sender, SizeChangedEventArgs e) {
+            if (openedTabs.ActualWidth > openedTabsColumn.ActualWidth) {
+                openedTabsOpts.Visibility = Visibility.Visible;
+            } else {
+                openedTabsOpts.Visibility = Visibility.Collapsed;
+            }
+        }
+
+        private void ScrollToLeft(object sender, RoutedEventArgs e) {
+            openedTabsScroller.LineLeft();
+        }
+
+        private void ScrollToRight(object sender, RoutedEventArgs e) {
+            openedTabsScroller.LineRight();
+        }
+        #endregion
     }
 }