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TAChart: Workaround for TChartListbox not detecting clicks on checkbox and series icon correctly on macOS Monterey. See https://forum.lazarus.freepascal.org/index.php/topic,61074.msg458489.html.

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(cherry picked from commit e171cf6f33)
This commit is contained in:
wp_xyz 2022-11-02 21:59:00 +01:00 committed by Maxim Ganetsky
parent e23483223f
commit 1084fce7c0
1 changed files with 12 additions and 2 deletions
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14
components/tachart/tachartlistbox.pas
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@ -526,7 +526,7 @@ end;
procedure TChartListbox.MouseDown(
AButton: TMouseButton; AShift: TShiftState; AX, AY: Integer);
var
rcb, ricon: TRect;
R, rcb, ricon: TRect;
index: Integer;
p: TPoint;
begin
@ -537,7 +537,17 @@ begin
p := Point(AX, AY);
index := GetIndexAtXY(AX, AY);
if index < 0 then exit;
CalcRects(ItemRect(index), rcb, ricon);
R := ItemRect(index);
{$IFDEF DARWIN}
{ Workaround for ItemRect returning something different than what is
passed to DrawItem in macOS Monterey.
See discussion in https://forum.lazarus.freepascal.org/index.php/topic,61074.0.html
The consequence of this workaround is that there can only be a single
column, but Columns > 1 does not work on cocoa anyway. }
R.Left := 0;
R.Right := ClientWidth;
{$ENDIF}
CalcRects(R, rcb, ricon);
if (cloShowCheckboxes in Options) and IsPointInRect(p, rcb) then
ClickedCheckbox(index)
else if (cloShowIcons in Options) and IsPointInRect(p, ricon) then