Feature: Show a tooltip when a text in the details view is trimmed (#12488)

Author: hishitetsu

src/Files.App/Views/LayoutModes/DetailsLayoutBrowser.xaml

@@ -634,6 +634,7 @@
 										<TextBlock
 											x:Name="ItemName"
 											VerticalAlignment="Center"
+											IsTextTrimmedChanged="TextBlock_IsTextTrimmedChanged"
 											Opacity="{x:Bind Opacity, Mode=OneWay}"
 											Text="{x:Bind Name, Mode=OneWay}"
 											TextTrimming="CharacterEllipsis" />
@@ -720,6 +721,7 @@
 										HorizontalAlignment="Stretch"
 										VerticalAlignment="Center"
 										x:Load="{x:Bind IsRecycleBinItem}"
+										IsTextTrimmedChanged="TextBlock_IsTextTrimmedChanged"
 										Style="{StaticResource ColumnContentTextBlock}"
 										Text="{x:Bind AsRecycleBinItem.ItemOriginalPath, Mode=OneWay}"
 										Visibility="{Binding ColumnsViewModel.OriginalPathColumn.Visibility, ElementName=PageRoot, Mode=OneWay}" />
@@ -731,6 +733,7 @@
 										HorizontalAlignment="Stretch"
 										VerticalAlignment="Center"
 										x:Load="{x:Bind IsRecycleBinItem}"
+										IsTextTrimmedChanged="TextBlock_IsTextTrimmedChanged"
 										Style="{StaticResource ColumnContentTextBlock}"
 										Text="{x:Bind AsRecycleBinItem.ItemDateDeleted, Mode=OneWay}"
 										Visibility="{Binding ColumnsViewModel.DateDeletedColumn.Visibility, ElementName=PageRoot, Mode=OneWay}" />
@@ -741,6 +744,7 @@
 										Padding="12,0,0,0"
 										HorizontalAlignment="Stretch"
 										VerticalAlignment="Center"
+										IsTextTrimmedChanged="TextBlock_IsTextTrimmedChanged"
 										Style="{StaticResource ColumnContentTextBlock}"
 										Text="{x:Bind ItemDateModified, Mode=OneWay}"
 										Visibility="{Binding ColumnsViewModel.DateModifiedColumn.Visibility, ElementName=PageRoot, Mode=OneWay}" />
@@ -751,6 +755,7 @@
 										Padding="12,0,0,0"
 										HorizontalAlignment="Stretch"
 										VerticalAlignment="Center"
+										IsTextTrimmedChanged="TextBlock_IsTextTrimmedChanged"
 										Style="{StaticResource ColumnContentTextBlock}"
 										Text="{x:Bind ItemDateCreated, Mode=OneWay}"
 										Visibility="{Binding ColumnsViewModel.DateCreatedColumn.Visibility, ElementName=PageRoot, Mode=OneWay}" />
@@ -761,6 +766,7 @@
 										Padding="12,0,0,0"
 										HorizontalAlignment="Stretch"
 										VerticalAlignment="Center"
+										IsTextTrimmedChanged="TextBlock_IsTextTrimmedChanged"
 										Style="{StaticResource ColumnContentTextBlock}"
 										Text="{x:Bind ItemType, Mode=OneWay}"
 										Visibility="{Binding ColumnsViewModel.ItemTypeColumn.Visibility, ElementName=PageRoot, Mode=OneWay}" />
@@ -771,6 +777,7 @@
 										Padding="12,0,0,0"
 										HorizontalAlignment="Stretch"
 										VerticalAlignment="Center"
+										IsTextTrimmedChanged="TextBlock_IsTextTrimmedChanged"
 										Style="{StaticResource ColumnContentTextBlock}"
 										Text="{x:Bind FileSize, Mode=OneWay}"
 										Visibility="{Binding ColumnsViewModel.SizeColumn.Visibility, ElementName=PageRoot, Mode=OneWay}" />

src/Files.App/Views/LayoutModes/DetailsLayoutBrowser.xaml.cs

@@ -804,5 +804,11 @@ private void UpdateCheckboxVisibility(object sender, bool isPointerOver)
 					VisualStateManager.GoToState(userControl, "HideCheckbox", true);
 			}
 		}
+
+// Workaround for https://github.com/microsoft/microsoft-ui-xaml/issues/170
+		private void TextBlock_IsTextTrimmedChanged(TextBlock sender, IsTextTrimmedChangedEventArgs e)
+		{
+			ToolTipService.SetToolTip(sender, sender.IsTextTrimmed ? sender.Text : null);
+		}
 	}
 }