lazarus/lcl/include/checkbox.inc
2002-08-17 23:40:53 +00:00

101 lines
3.1 KiB
PHP

// included by stdctrls.pp
{
*****************************************************************************
* *
* This file is part of the Lazarus Component Library (LCL) *
* *
* See the file COPYING.LCL, included in this distribution, *
* for details about the copyright. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* *
*****************************************************************************
}
{------------------------------------------------------------------------------}
constructor TCheckbox.Create(AOwner : TComponent);
begin
if assigned(AOwner) then
begin
inherited Create(AOwner);
fCompStyle := csCheckbox;
AutoSize := True;
end;
end;
{------------------------------------------------------------------------------
Method: TCheckbox.SetText
Params: Value : TCaption
Returns: nothing
Change the caption, and then AutoSize
------------------------------------------------------------------------------}
procedure TCheckbox.SetText(const Value: TCaption);
begin
Inherited SetText(Value);
AutoSize := FAutoSize;
end;
{------------------------------------------------------------------------------
Method: TCheckbox.SetAutoSize
Params: Value : Boolean
Returns: nothing
Sets AutoSize Flag, and if True, attempts to Size to fit Caption
------------------------------------------------------------------------------}
procedure TCheckbox.SetAutoSize(Value : Boolean);
var
R : TRect;
DC : hDC;
begin
FAutoSize := Value;
If not AutoSize then
Exit;
if not HandleAllocated then exit;
DC := GetDC(Handle);
Try
R := Rect(0,0, Width, Height);
DrawText(DC, PChar(Caption), Length(Caption), R,
DT_CalcRect or DT_NOPrefix);
If R.Right > Width then
Width := R.Right + 25;
If R.Bottom > Height then
Height := R.Bottom + 2;
Finally
ReleaseDC(Handle, DC);
end;
end;
// included by stdctrls.pp
{
$Log$
Revision 1.5 2002/08/24 06:51:22 lazarus
MG: from Andrew: style list fixes, autosize for radio/checkbtns
Revision 1.4 2002/07/23 07:40:51 lazarus
MG: fixed get widget position for inherited gdkwindows
Revision 1.3 2002/05/10 06:05:51 lazarus
MG: changed license to LGPL
Revision 1.2 2002/04/18 08:09:03 lazarus
MG: added include comments
Revision 1.1 2000/07/13 10:28:24 michael
+ Initial import
Revision 1.1 2000/04/02 20:49:55 lazarus
MWE:
Moved lazarus/lcl/*.inc files to lazarus/lcl/include
Revision 1.3 1999/12/30 19:04:13 lazarus
- Made TRadiobutton work again
- Some more cleanups to checkbox code
stoppok
}