From 6d9135169d86b57e1defffb06a20091a8abe24a0 Mon Sep 17 00:00:00 2001
From: DB p <onesound@oooz.net>
Date: Sat, 26 Nov 2022 03:35:25 +0900
Subject: [PATCH] Add Auto Hide Preview Separator

---
 Flow.Launcher/MainWindow.xaml  |  6 +++---
 Flow.Launcher/Themes/Base.xaml | 10 ++++++++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Flow.Launcher/MainWindow.xaml b/Flow.Launcher/MainWindow.xaml
index d17beb1c7..8ac8b2c46 100644
--- a/Flow.Launcher/MainWindow.xaml
+++ b/Flow.Launcher/MainWindow.xaml
@@ -409,7 +409,7 @@
                                         Source="{Binding PreviewImage}"
                                         Visibility="{Binding ShowIcon}" />
                                     <TextBlock
-                                        x:Name="Title"
+                                        x:Name="PreviewTitle"
                                         HorizontalAlignment="Stretch"
                                         Style="{DynamicResource PreviewItemTitleStyle}"
                                         Text="{Binding Result.Title}"
@@ -417,9 +417,9 @@
                                         TextWrapping="Wrap" />
                                 </StackPanel>
                                 <StackPanel Grid.Row="1">
-                                    <Separator Margin="0,15,0,5" Background="{Binding ElementName=MiddleSeparator, Path=Fill}" />
+                                    <Separator Style="{DynamicResource PreviewSep}" />
                                     <TextBlock
-                                        x:Name="SubTitle"
+                                        x:Name="PreviewSubTitle"
                                         Style="{DynamicResource PreviewItemSubTitleStyle}"
                                         Text="{Binding Result.SubTitle}" />
                                 </StackPanel>
diff --git a/Flow.Launcher/Themes/Base.xaml b/Flow.Launcher/Themes/Base.xaml
index e3ad6360e..5c6a0ac68 100644
--- a/Flow.Launcher/Themes/Base.xaml
+++ b/Flow.Launcher/Themes/Base.xaml
@@ -406,6 +406,16 @@
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Margin" Value="0,0,10,10" />
     </Style>
+    <Style x:Key="PreviewSep" TargetType="{x:Type Separator}">
+        <Setter Property="Visibility" Value="Visible" />
+        <Setter Property="Background" Value="{Binding ElementName=MiddleSeparator, Path=Fill}" />
+        <Setter Property="Margin" Value="0,15,0,5" />
+        <Style.Triggers>
+            <DataTrigger Binding="{Binding ElementName=PreviewSubTitle, UpdateSourceTrigger=PropertyChanged, Path=Text.Length}" Value="0">
+                <Setter Property="Visibility" Value="Collapsed" />
+            </DataTrigger>
+        </Style.Triggers>
+    </Style>
     <Style
         x:Key="PreviewBorderStyle"
         BasedOn="{StaticResource BasePreviewBorderStyle}"