From d99314710793f8960096c3283baf0c4aa1dfebc4 Mon Sep 17 00:00:00 2001
From: leo <longshuang@msn.cn>
Date: Mon, 7 Dec 2020 18:37:24 +0800
Subject: [PATCH] fix<Launcher>: INotifyPropertyChanged event not raised when
 IsActive changed

---
 src/UI/Launcher.xaml    |  2 +-
 src/UI/Launcher.xaml.cs | 20 +++++++++++++++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/UI/Launcher.xaml b/src/UI/Launcher.xaml
index e9a81106..dd4b4325 100644
--- a/src/UI/Launcher.xaml
+++ b/src/UI/Launcher.xaml
@@ -79,7 +79,7 @@
                             </DataTemplate>
 
                             <DataTemplate DataType="{x:Type local:Launcher+RepoTab}">
-                                <Grid MinWidth="72" Margin="12,0">
+                                <Grid MinWidth="80" Margin="8,0">
                                     <Grid.ColumnDefinitions>
                                         <ColumnDefinition Width="Auto"/>
                                         <ColumnDefinition Width="Auto"/>
diff --git a/src/UI/Launcher.xaml.cs b/src/UI/Launcher.xaml.cs
index f3acfe70..bbbd7ec2 100644
--- a/src/UI/Launcher.xaml.cs
+++ b/src/UI/Launcher.xaml.cs
@@ -21,18 +21,32 @@ namespace SourceGit.UI {
         ///     Tab data.
         /// </summary>
         public class Tab : INotifyPropertyChanged {
+            private bool isActive = false;
+
             public string Title { get; set; }
             public string Tooltip { get; set; }
-            public bool IsActive { get; set; }
             public Git.Repository Repo { get; set; }
             public object Page { get; set; }
-            public bool IsRepo => Repo != null;
+
+            public bool IsRepo {
+                get { return Repo != null; }
+            }
+
             public int Color {
                 get { return Repo == null ? 0 : Repo.Color; }
                 set {
                     if (Repo == null || Repo.Color == value) return;
                     Repo.Color = value;
-                    PropertyChanged.Invoke(this, new PropertyChangedEventArgs("Color"));
+                    PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Color"));
+                }
+            }
+
+            public bool IsActive {
+                get { return isActive; }
+                set {
+                    if (isActive == value) return;
+                    isActive = value;
+                    PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("IsActive"));
                 }
             }