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Add navigation and highlighting of change-blocks in Text Diff (#616, #717) (#703)

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* Corrected misspelled local variable nextHigh(t)light

* Implemented change-block navigation

* Modified behavior of the Prev/Next Change buttons in DiffView toolbar.
* Well-defined change-blocks are pre-calculated and can be navigated between.
* Current change-block is highlighted in the Diff panel(s).
* Prev/next at start/end of range (re-)scrolls to first/last change-block
(I.e when unset, or already at first/last change-block, or at the only one.)
* Current change-block is unset in RefreshContent().

* Added safeguards for edge cases

* Added indicator of current/total change-blocks in DiffView toolbar

* Added new Icon and String (en-US) for Highlighted Diff Navigation

* Added Preference and ToggleButton for diff navigation style
This commit is contained in:
Göran W 2024-12-08 10:50:33 +01:00 • committed by GitHub
parent c062f27081
commit 655d71b0bc
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11 changed files with 361 additions and 47 deletions
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44
src/Views/DiffView.axaml.cs
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@ -13,28 +13,44 @@ namespace SourceGit.Views
private void OnGotoPrevChange(object _, RoutedEventArgs e)
{
var textDiff = this.FindDescendantOfType<ThemedTextDiffPresenter>();
if (textDiff == null)
return;
if (ViewModels.Preference.Instance.EnableChangeBlocks)
{
if (DataContext is ViewModels.DiffContext diffCtx)
diffCtx.PrevChange();
}
else
{
var textDiff = this.FindDescendantOfType<ThemedTextDiffPresenter>();
if (textDiff == null)
return;
textDiff.GotoPrevChange();
if (textDiff is SingleSideTextDiffPresenter presenter)
presenter.ForceSyncScrollOffset();
textDiff.GotoPrevChange();
if (textDiff is SingleSideTextDiffPresenter presenter)
presenter.ForceSyncScrollOffset();
e.Handled = true;
e.Handled = true;
}
}
private void OnGotoNextChange(object _, RoutedEventArgs e)
{
var textDiff = this.FindDescendantOfType<ThemedTextDiffPresenter>();
if (textDiff == null)
return;
if (ViewModels.Preference.Instance.EnableChangeBlocks)
{
if (DataContext is ViewModels.DiffContext diffCtx)
diffCtx.NextChange();
}
else
{
var textDiff = this.FindDescendantOfType<ThemedTextDiffPresenter>();
if (textDiff == null)
return;
textDiff.GotoNextChange();
if (textDiff is SingleSideTextDiffPresenter presenter)
presenter.ForceSyncScrollOffset();
textDiff.GotoNextChange();
if (textDiff is SingleSideTextDiffPresenter presenter)
presenter.ForceSyncScrollOffset();
e.Handled = true;
e.Handled = true;
}
}
}
}