refactor: implementation of synchronous scrolling in side-by-side diff view

This commit is contained in:
leo 2024-04-28 16:46:39 +08:00
parent 32e685622b
commit d9911b3447
2 changed files with 14 additions and 30 deletions

View file

@ -388,11 +388,11 @@ namespace SourceGit.Models
}
[GeneratedRegex(@"^@@ \-(\d+),?\d* \+(\d+),?\d* @@")]
private static partial Regex indicatorRegex();
private static partial Regex REG_INDICATOR();
private bool ProcessIndicatorForPatch(StringBuilder builder, TextDiffLine indicator, int idx, int start, int end, int ignoreRemoves, int ignoreAdds, bool revert, bool tailed)
{
var match = indicatorRegex().Match(indicator.Content);
var match = REG_INDICATOR().Match(indicator.Content);
var oldStart = int.Parse(match.Groups[1].Value);
var newStart = int.Parse(match.Groups[2].Value) + ignoreRemoves - ignoreAdds;
var oldCount = 0;
@ -461,7 +461,7 @@ namespace SourceGit.Models
private bool ProcessIndicatorForPatchSingleSide(StringBuilder builder, TextDiffLine indicator, int idx, int start, int end, int ignoreRemoves, int ignoreAdds, bool revert, bool isOldSide, bool tailed)
{
var match = indicatorRegex().Match(indicator.Content);
var match = REG_INDICATOR().Match(indicator.Content);
var oldStart = int.Parse(match.Groups[1].Value);
var newStart = int.Parse(match.Groups[2].Value) + ignoreRemoves - ignoreAdds;
var oldCount = 0;

View file

@ -7,6 +7,7 @@ using System.Text;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Media;
using Avalonia.VisualTree;
@ -657,6 +658,7 @@ namespace SourceGit.Views
UpdateTextMate();
TextArea.PointerWheelChanged += OnTextAreaPointerWheelChanged;
TextArea.TextView.ContextRequested += OnTextViewContextRequested;
}
@ -676,21 +678,20 @@ namespace SourceGit.Views
_textMate = null;
}
TextArea.PointerWheelChanged -= OnTextAreaPointerWheelChanged;
TextArea.TextView.ContextRequested -= OnTextViewContextRequested;
GC.Collect();
}
private void OnTextAreaPointerWheelChanged(object sender, PointerWheelEventArgs e)
{
if (!TextArea.IsFocused) Focus();
}
private void OnTextViewScrollChanged(object sender, ScrollChangedEventArgs e)
{
if (_syncScrollingByOthers)
{
_syncScrollingByOthers = false;
}
else
{
SetCurrentValue(SyncScrollOffsetProperty, _scrollViewer.Offset);
}
if (TextArea.IsFocused) SetCurrentValue(SyncScrollOffsetProperty, _scrollViewer.Offset);
}
private void OnTextViewContextRequested(object sender, ContextRequestedEventArgs e)
@ -754,25 +755,9 @@ namespace SourceGit.Views
}
else if (change.Property == SyncScrollOffsetProperty)
{
if (_scrollViewer == null)
return;
var curOffset = _scrollViewer.Offset;
if (!curOffset.Equals(SyncScrollOffset))
{
_syncScrollingByOthers = true;
if (curOffset.X != SyncScrollOffset.X)
{
var offset = new Vector(Math.Min(_scrollViewer.ScrollBarMaximum.X, SyncScrollOffset.X), SyncScrollOffset.Y);
_scrollViewer.Offset = offset;
}
else
{
if (_scrollViewer != null)
_scrollViewer.Offset = SyncScrollOffset;
}
}
}
else if (change.Property == UseSyntaxHighlightingProperty)
{
UpdateTextMate();
@ -813,7 +798,6 @@ namespace SourceGit.Views
private TextMate.Installation _textMate;
private readonly LineStyleTransformer _lineStyleTransformer = null;
private ScrollViewer _scrollViewer = null;
private bool _syncScrollingByOthers = false;
}
public partial class TextDiffView : UserControl