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enhance: only re-calculate highlight chunk when it is needed

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This commit is contained in:
leo
2024-09-29 13:48:48 +08:00
parent e945367b28
commit d5671ea8df
1 changed files with 35 additions and 25 deletions
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60
src/Views/TextDiffView.axaml.cs
View File

@@ -437,8 +437,8 @@ namespace SourceGit.Views
base.OnLoaded(e);
TextArea.TextView.ContextRequested += OnTextViewContextRequested;
TextArea.TextView.PointerEntered += OnTextViewPointerEntered;
TextArea.TextView.PointerMoved += OnTextViewPointerMoved;
TextArea.TextView.PointerEntered += OnTextViewPointerChanged;
TextArea.TextView.PointerMoved += OnTextViewPointerChanged;
TextArea.TextView.PointerWheelChanged += OnTextViewPointerWheelChanged;
UpdateTextMate();
@@ -449,8 +449,8 @@ namespace SourceGit.Views
base.OnUnloaded(e);
TextArea.TextView.ContextRequested -= OnTextViewContextRequested;
TextArea.TextView.PointerEntered -= OnTextViewPointerEntered;
TextArea.TextView.PointerMoved -= OnTextViewPointerMoved;
TextArea.TextView.PointerEntered -= OnTextViewPointerChanged;
TextArea.TextView.PointerMoved -= OnTextViewPointerChanged;
TextArea.TextView.PointerWheelChanged -= OnTextViewPointerWheelChanged;
if (_textMate != null)
@@ -510,35 +510,43 @@ namespace SourceGit.Views
e.Handled = true;
}
private void OnTextViewPointerEntered(object sender, PointerEventArgs e)
private void OnTextViewPointerChanged(object sender, PointerEventArgs e)
{
if (EnableChunkSelection && sender is TextView view)
{
var chunk = SelectedChunk;
if (chunk != null)
var selection = TextArea.Selection;
if (selection == null || selection.IsEmpty)
{
var rect = new Rect(0, chunk.Y, Bounds.Width, chunk.Height);
if (rect.Contains(e.GetPosition(this)))
return;
if (_lastSelectStart != _lastSelectEnd)
{
_lastSelectStart = TextLocation.Empty;
_lastSelectEnd = TextLocation.Empty;
}
var chunk = SelectedChunk;
if (chunk != null)
{
var rect = new Rect(0, chunk.Y, Bounds.Width, chunk.Height);
if (rect.Contains(e.GetPosition(this)))
return;
}
UpdateSelectedChunk(e.GetPosition(view).Y + view.VerticalOffset);
return;
}
UpdateSelectedChunk(e.GetPosition(view).Y + view.VerticalOffset);
}
}
private void OnTextViewPointerMoved(object sender, PointerEventArgs e)
{
if (EnableChunkSelection && sender is TextView view)
{
var chunk = SelectedChunk;
if (chunk != null)
var start = selection.StartPosition.Location;
var end = selection.EndPosition.Location;
if (_lastSelectStart != start || _lastSelectEnd != end)
{
var rect = new Rect(0, chunk.Y, Bounds.Width, chunk.Height);
if (rect.Contains(e.GetPosition(this)))
return;
_lastSelectStart = start;
_lastSelectEnd = end;
UpdateSelectedChunk(e.GetPosition(view).Y + view.VerticalOffset);
return;
}
UpdateSelectedChunk(e.GetPosition(view).Y + view.VerticalOffset);
if (SelectedChunk == null)
UpdateSelectedChunk(e.GetPosition(view).Y + view.VerticalOffset);
}
}
@@ -657,7 +665,9 @@ namespace SourceGit.Views
}
private TextMate.Installation _textMate = null;
protected LineStyleTransformer _lineStyleTransformer = null;
private TextLocation _lastSelectStart = TextLocation.Empty;
private TextLocation _lastSelectEnd = TextLocation.Empty;
private LineStyleTransformer _lineStyleTransformer = null;
}
public class CombinedTextDiffPresenter : ThemedTextDiffPresenter