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refactor: rewrite Views.CommitGraph.Render

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leo 2024-08-28 13:26:46 +08:00
parent ddcab64940
commit 45212ebc28
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1 changed files with 16 additions and 17 deletions
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33
src/Views/Histories.axaml.cs
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@ -439,6 +439,10 @@ namespace SourceGit.Views
{
base.Render(context);
var graph = Graph;
if (graph == null)
return;
var histories = this.FindAncestorOfType<Histories>();
if (histories == null)
return;
@ -447,25 +451,20 @@ namespace SourceGit.Views
if (list == null)
return;
var graph = Graph;
if (graph == null)
return;
double rowHeight = 28;
// Calculate drawing area.
double width = Bounds.Width - 156 - 96 - histories.AuthorNameColumnWidth.Value;
double height = Bounds.Height;
double startY = list.Scroll?.Offset.Y ?? 0;
double maxWidth = Bounds.Width - 156 - 96 - histories.AuthorNameColumnWidth.Value;
double endY = startY + height + 28;
// Apply scroll offset.
context.PushClip(new Rect(Bounds.Left, Bounds.Top, maxWidth, Bounds.Height));
context.PushTransform(Matrix.CreateTranslation(0, -startY));
// Calculate bounds.
var top = startY;
var bottom = startY + Bounds.Height + rowHeight * 2;
// Draw contents
DrawCurves(context, graph, top, bottom);
DrawAnchors(context, graph, top, bottom);
// Apply scroll offset and clip.
using (context.PushClip(new Rect(0, 0, width, height)))
using (context.PushTransform(Matrix.CreateTranslation(0, -startY)))
{
// Draw contents
DrawCurves(context, graph, startY, endY);
DrawAnchors(context, graph, startY, endY);
}
}
private void DrawCurves(DrawingContext context, Models.CommitGraph graph, double top, double bottom)