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Cherrypick - feature: add buttons to go to prev/next change in text diff view (#616)

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Signed-off-by: leo <longshuang@msn.cn>
(cherry picked from commit 134c71064e)

# Conflicts:
#	src/Views/DiffView.axaml
#	src/Views/TextDiffView.axaml.cs
This commit is contained in:
goran-w 2024-11-16 10:34:31 +01:00
parent 96a9019487
commit 1a99ce54d3
1 changed files with 102 additions and 0 deletions
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102
src/Views/TextDiffView.axaml.cs
View file

@ -647,6 +647,108 @@ namespace SourceGit.Views
}
}
public void GotoPrevChange()
{
var view = TextArea.TextView;
var lines = GetLines();
var firstLineIdx = lines.Count;
foreach (var line in view.VisualLines)
{
if (line.IsDisposed || line.FirstDocumentLine == null || line.FirstDocumentLine.IsDeleted)
continue;
var index = line.FirstDocumentLine.LineNumber - 1;
if (index >= lines.Count)
continue;
if (firstLineIdx > index)
firstLineIdx = index;
}
var firstLineType = lines[firstLineIdx].Type;
var isChangeFirstLine = firstLineType != Models.TextDiffLineType.Normal && firstLineType != Models.TextDiffLineType.Indicator;
if (isChangeFirstLine)
{
for (var i = firstLineIdx - 1; i >= 0; i--)
{
var prevType = lines[i].Type;
if (prevType == Models.TextDiffLineType.Normal || prevType == Models.TextDiffLineType.Indicator)
{
ScrollToLine(i + 2);
return;
}
}
}
else
{
var prevChangeEnd = -1;
for (var i = firstLineIdx - 1; i >= 0; i--)
{
var prevType = lines[i].Type;
if (prevType == Models.TextDiffLineType.None ||
prevType == Models.TextDiffLineType.Added ||
prevType == Models.TextDiffLineType.Deleted)
{
prevChangeEnd = i;
break;
}
}
if (prevChangeEnd <= 0)
return;
for (var i = prevChangeEnd - 1; i >= 0; i--)
{
var prevType = lines[i].Type;
if (prevType == Models.TextDiffLineType.Normal || prevType == Models.TextDiffLineType.Indicator)
{
ScrollToLine(i + 2);
return;
}
}
}
}
public void GotoNextChange()
{
var view = TextArea.TextView;
var lines = GetLines();
var lastLineIdx = -1;
foreach (var line in view.VisualLines)
{
if (line.IsDisposed || line.FirstDocumentLine == null || line.FirstDocumentLine.IsDeleted)
continue;
var index = line.FirstDocumentLine.LineNumber - 1;
if (index >= lines.Count)
continue;
if (lastLineIdx < index)
lastLineIdx = index;
}
var lastLineType = lines[lastLineIdx].Type;
var findNormalLine = lastLineType == Models.TextDiffLineType.Normal || lastLineType == Models.TextDiffLineType.Indicator;
for (var idx = lastLineIdx + 1; idx < lines.Count; idx++)
{
var nextType = lines[idx].Type;
if (nextType == Models.TextDiffLineType.None ||
nextType == Models.TextDiffLineType.Added ||
nextType == Models.TextDiffLineType.Deleted)
{
if (findNormalLine)
{
ScrollToLine(idx + 1);
return;
}
}
else if (!findNormalLine)
{
findNormalLine = true;
}
}
}
public override void Render(DrawingContext context)
{
base.Render(context);