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Added safeguards for edge cases

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goran-w 2024-11-16 13:31:39 +01:00
parent 87689e141f
commit adbeb78ba3
1 changed files with 5 additions and 1 deletions
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6
src/Views/TextDiffView.axaml.cs
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@ -1146,6 +1146,8 @@ namespace SourceGit.Views
public void ForceSyncScrollOffset() public void ForceSyncScrollOffset()
{ {
if (_scrollViewer == null)
return;
if (DataContext is ViewModels.TwoSideTextDiff diff) if (DataContext is ViewModels.TwoSideTextDiff diff)
diff.SyncScrollOffset = _scrollViewer?.Offset ?? Vector.Zero; diff.SyncScrollOffset = _scrollViewer?.Offset ?? Vector.Zero;
} }
@ -1585,11 +1587,13 @@ namespace SourceGit.Views
CurrentChangeBlockIdxProperty.Changed.AddClassHandler<TextDiffView>((v, e) => CurrentChangeBlockIdxProperty.Changed.AddClassHandler<TextDiffView>((v, e) =>
{ {
if (v.Editor.Presenter != null) if ((int)e.NewValue >= 0 && v.Editor.Presenter != null)
{ {
foreach (var p in v.Editor.Presenter.GetVisualDescendants().OfType<ThemedTextDiffPresenter>()) foreach (var p in v.Editor.Presenter.GetVisualDescendants().OfType<ThemedTextDiffPresenter>())
{ {
p.JumpToChangeBlock((int)e.NewValue); p.JumpToChangeBlock((int)e.NewValue);
if (p is SingleSideTextDiffPresenter ssp)
ssp.ForceSyncScrollOffset();
} }
} }
}); });