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

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leo 2024-09-29 13:48:48 +08:00
parent e945367b28
commit d5671ea8df
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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); base.OnLoaded(e);
TextArea.TextView.ContextRequested += OnTextViewContextRequested; TextArea.TextView.ContextRequested += OnTextViewContextRequested;
TextArea.TextView.PointerEntered += OnTextViewPointerEntered; TextArea.TextView.PointerEntered += OnTextViewPointerChanged;
TextArea.TextView.PointerMoved += OnTextViewPointerMoved; TextArea.TextView.PointerMoved += OnTextViewPointerChanged;
TextArea.TextView.PointerWheelChanged += OnTextViewPointerWheelChanged; TextArea.TextView.PointerWheelChanged += OnTextViewPointerWheelChanged;
UpdateTextMate(); UpdateTextMate();
@ -449,8 +449,8 @@ namespace SourceGit.Views
base.OnUnloaded(e); base.OnUnloaded(e);
TextArea.TextView.ContextRequested -= OnTextViewContextRequested; TextArea.TextView.ContextRequested -= OnTextViewContextRequested;
TextArea.TextView.PointerEntered -= OnTextViewPointerEntered; TextArea.TextView.PointerEntered -= OnTextViewPointerChanged;
TextArea.TextView.PointerMoved -= OnTextViewPointerMoved; TextArea.TextView.PointerMoved -= OnTextViewPointerChanged;
TextArea.TextView.PointerWheelChanged -= OnTextViewPointerWheelChanged; TextArea.TextView.PointerWheelChanged -= OnTextViewPointerWheelChanged;
if (_textMate != null) if (_textMate != null)
@ -510,35 +510,43 @@ namespace SourceGit.Views
e.Handled = true; e.Handled = true;
} }
private void OnTextViewPointerEntered(object sender, PointerEventArgs e) private void OnTextViewPointerChanged(object sender, PointerEventArgs e)
{ {
if (EnableChunkSelection && sender is TextView view) if (EnableChunkSelection && sender is TextView view)
{ {
var chunk = SelectedChunk; var selection = TextArea.Selection;
if (chunk != null) if (selection == null || selection.IsEmpty)
{ {
var rect = new Rect(0, chunk.Y, Bounds.Width, chunk.Height); if (_lastSelectStart != _lastSelectEnd)
if (rect.Contains(e.GetPosition(this))) {
return; _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); var start = selection.StartPosition.Location;
} var end = selection.EndPosition.Location;
} if (_lastSelectStart != start || _lastSelectEnd != end)
private void OnTextViewPointerMoved(object sender, PointerEventArgs e)
{
if (EnableChunkSelection && sender is TextView view)
{
var chunk = SelectedChunk;
if (chunk != null)
{ {
var rect = new Rect(0, chunk.Y, Bounds.Width, chunk.Height); _lastSelectStart = start;
if (rect.Contains(e.GetPosition(this))) _lastSelectEnd = end;
return; 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; 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 public class CombinedTextDiffPresenter : ThemedTextDiffPresenter