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{%MainUnit ../stdctrls.pp}
{******************************************************************************
TCustomStaticText
******************************************************************************
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
{------------------------------------------------------------------------------
Method: TCustomStaticText.Create
Params: AOwner: the owner of the class
Returns: Nothing
Constructor for the class.
------------------------------------------------------------------------------}
constructor TCustomStaticText.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
fCompStyle := csStaticText;
fAlignment := taLeftJustify;
FShowAccelChar:= true;
FStaticBorderStyle:=sbsNone;
ControlStyle := ControlStyle + [csReplicatable];
Transparent := True;
with GetControlClassDefaultSize do
SetInitialBounds(0, 0, CX, CY);
end;
{------------------------------------------------------------------------------
Method: TCustomStaticText.GetLabelText
Params: None
Returns: Nothing
------------------------------------------------------------------------------}
function TCustomStaticText.GetLabelText: String;
begin
Result := Caption;
end;
procedure TCustomStaticText.RealSetText(const AValue: TCaption);
begin
if Text=AValue then exit;
inherited RealSetText(AValue);
InvalidatePreferredSize;
AdjustSize;
end;
{------------------------------------------------------------------------------
procedure TCustomStaticText.Notification(AComponent: TComponent;
Operation: TOperation);
------------------------------------------------------------------------------}
procedure TCustomStaticText.Notification(AComponent: TComponent; Operation: TOperation);
begin
inherited Notification(AComponent, Operation);
if (AComponent = FFocusControl) and (Operation = opRemove) then
FFocusControl:= nil;
end;
{------------------------------------------------------------------------------
Method: TCustomStaticText.SetAlignment
Params: Value - new proterty value
Returns: Nothing
------------------------------------------------------------------------------}
procedure TCustomStaticText.SetAlignment(Value: TAlignment);
begin
if fAlignment <> value then begin
fAlignment:= value;
if HandleAllocated then
TWSCustomStaticTextClass(WidgetSetClass).SetAlignment(Self, Value);
end;
end;
function TCustomStaticText.GetTransparent: Boolean;
begin
Result := not (csOpaque in ControlStyle);
end;
{------------------------------------------------------------------------------
Method: TCustomStaticText.SetFocusControl
Params: Val - new property value
Returns: Nothing
------------------------------------------------------------------------------}
procedure TCustomStaticText.SetFocusControl(Val: TWinControl);
begin
if Val <> FFocusControl then
begin
if FFocusControl <> nil then
FFocusControl.RemoveFreeNotification(Self);
FFocusControl := Val;
if Val <> nil then
Val.FreeNotification(Self);
end;
end;
{------------------------------------------------------------------------------
Method: TCustomStaticText.SetShowAccelChar
Params: Val - new property value
Returns: Nothing
------------------------------------------------------------------------------}
procedure TCustomStaticText.SetShowAccelChar(Val: boolean);
begin
if Val <> FShowAccelChar then begin
FShowAccelChar:= Val;
if HandleAllocated then begin
TWSWinControlClass(WidgetSetClass).SetText(Self,Caption);
InvalidatePreferredSize;
end;
end;
end;
function TCustomStaticText.DialogChar(var Message: TLMKey): boolean;
begin
if IsAccel(Message.CharCode, Caption)
and (FFocusControl <> nil) and (FFocusControl.CanFocus) then
begin
FFocusControl.SetFocus;
Result := true;
end else
Result := inherited;
end;
class function TCustomStaticText.GetControlClassDefaultSize: TSize;
begin
Result.CX := 65;
Result.CY := 17;
end;
procedure TCustomStaticText.SetStaticBorderStyle(Value : TStaticBorderStyle);
begin
if FStaticBorderStyle <> Value then
begin
FStaticBorderStyle := Value;
if HandleAllocated then
begin
TWSCustomStaticTextClass(WidgetsetClass).SetStaticBorderStyle(Self, Value);
if AutoSize then
begin
InvalidatePreferredSize;
AdjustSize;
end;
end;
end;
end;
procedure TCustomStaticText.SetTransparent(const AValue: Boolean);
begin
if Transparent = AValue then
Exit;
if AValue then
ControlStyle := ControlStyle - [csOpaque]
else
ControlStyle := ControlStyle + [csOpaque];
Invalidate;
end;
{------------------------------------------------------------------------------
Method: TCustomStaticText.WMActivate
Params: Message: Activation message
Returns: Nothing
Received when the label has a registered activation shortcut for focuscontrol.
------------------------------------------------------------------------------}
procedure TCustomStaticText.WMActivate(var Message: TLMActivate);
begin
if (FFocusControl <> nil) and (FFocusControl.CanFocus) then
FFocusControl.SetFocus;
end;
class procedure TCustomStaticText.WSRegisterClass;
begin
inherited WSRegisterClass;
RegisterCustomStaticText;
end;
// included by stdctrls.pp
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