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Add DoMouseWheel method for horizontal scrolling #552

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Add DoMouseWheel method for horizontal scrolling #552

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18 changes: 18 additions & 0 deletions Source/ide/simba.form_output.pas
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@ TSimbaOutputBox = class(TSimbaMemo)
procedure DoAllowMouseLink(Sender: TObject; X, Y: Integer; var AllowMouseLink: Boolean);
procedure DoMouseLinkClick(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);

function DoMouseWheel(Shift: TShiftState; WheelDelta: Integer; MousePos: TPoint): Boolean; override;

function GetTabTitle: String;
function GetTabImageIndex: Integer;
procedure SetTabTitle(Value: String);
Expand Down Expand Up @@ -274,6 +276,22 @@ procedure TSimbaOutputBox.DoMouseLinkClick(Sender: TObject; Button: TMouseButton
Application.QueueAsyncCall(@DoOpenLink, 0);
end;

function TSimbaOutputBox.DoMouseWheel(Shift: TShiftState; WheelDelta: Integer; MousePos: TPoint): Boolean;
const
SCROLL_AMOUNT = 5;
begin
if (ssShift in Shift) then
begin
if (WheelDelta > 0) then
FScrollbarHorz.Position := FScrollbarHorz.Position - SCROLL_AMOUNT
else
FScrollbarHorz.Position := FScrollbarHorz.Position + SCROLL_AMOUNT;

Result := True;
end else
Result := inherited DoMouseWheel(Shift, WheelDelta, MousePos);
end;

constructor TSimbaOutputBox.Create(AOwner: TComponent);
begin
inherited Create(AOwner, False);
Expand Down