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IDE, SourceEditor: fix scrolling to last line, when top-line hint changes. Ensure last line is fully scrolled in. Issue #37922

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- The text-area LinesInWindow must be update before the TopLine is adjusted. Otherwise the editor calculates the wrong Max(TopLine) (prevent scrolling past end of text)
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Martin 2023-06-21 12:53:15 +02:00
parent 6e27366e54
commit 27882fd9cc
1 changed files with 1 additions and 1 deletions
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ide/sourcesyneditor.pas
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@ -1555,8 +1555,8 @@ begin
FTopInfoDisplay.LineMapCount := ListCnt;
if ListCnt <> TSourceLazSynSurfaceManager(FPaintArea).TopLineCount then begin
TopLine := t;
TSourceLazSynSurfaceManager(FPaintArea).TopLineCount := ListCnt;
TopLine := t;
SizeOrFontChanged(FALSE);
Invalidate; // TODO: move to PaintArea
end;