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ID Category Severity Reproducibility Date Submitted Last Update
0006544 [JEDI VCL] 00 JVCL Components minor always 2017-01-26 15:42 2017-01-26 15:42
Reporter akalwa View Status public  
Assigned To
Priority normal Resolution open  
Status new   Product Version Daily / GIT
Summary 0006544: TJvCustomComboEdit (and descendants) ignore the user's caret width setting
Description Windows allows users to change the caret width (text cursor width) to more than the default 1 pixel. While all contols derived from TCustomEdit work as expected, TJvCustomComboEdit and descendants ignore the user's setting.

The bug is in TJvCustomComboEdit.SetShowCaret().
Here the caret size is set as either 1 or 2 pixel, depending on the font's bold style. But that is not Windows' behaviour. Caret is usually not changed on font style. Instead the caret width should be read from the system settings:

procedure TJvCustomComboEdit.SetShowCaret;
  CaretWidth : Integer;
  if not SystemParametersInfo(SPI_GETCARETWIDTH, 0, @CaretWidth, 0) then
    CaretWidth := 1;
    if fsBold in Font.Style then
  CreateCaret(Handle, 0, CaretWidth, GetTextHeight);
Additional Information Control Panel -> Ease of Access Center -> Make the computer easier to see ->
Set the thickness of the blinking cursor
Change the default width from 1 to 3 pixel and apply the changes. [^]
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Date Modified Username Field Change
2017-01-26 15:42 akalwa New Issue

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