Files
harbour-core/harbour/contrib/hgf/win32/form.prg
2001-09-07 10:24:54 +00:00

182 lines
5.0 KiB
Plaintext

/*
* $Id$
*/
/*
* Harbour Project source code:
* Harbour GUI framework for Win32
* Class HBForm
*
* Copyright 2001 Antonio Linares <alinares@fivetech.com>
* Copyright 2001 Alexander Kresin <alex@belacy.belgorod.su>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "common.ch"
#include "hbclass.ch"
#include "win32.ch"
static aForms := {}
CLASS HBForm FROM HBWinControl
DATA oMainMenu
DATA aControls PROPERTY
DATA OnClick PROPERTY
CLASSDATA lRegistered
METHOD New()
METHOD Close() INLINE SendMessage( ::hWnd, WM_CLOSE )
METHOD Command( nNotifyCode, nId, hWndCtl )
METHOD HandleEvent( nMsg, nParam1, nParam2 )
METHOD InsertControl( oControl )
METHOD LButtonDown( nKeyFlags, nXPos, nYPos )
METHOD ShowModal()
ACCESS Menu() INLINE ::oMainMenu PROPERTY
ASSIGN Menu( oNewMenu )
ENDCLASS
METHOD New() CLASS HBForm
DEFAULT ::lRegistered TO .f.
if ! ::lRegistered
WinRegisterClass( "HB_TFORM" )
::lRegistered = .t.
endif
::hWnd = WinCreateStdWindow( , nOr( WS_OVERLAPPEDWINDOW ),,;
"HB_TFORM", "Harbour TForm" )
AAdd( aForms, Self )
return Self
METHOD Command( nNotifyCode, nId, hWndCtl ) CLASS HBForm
local oMenuItem, nAt, oControl
if nNotifyCode == 0 // Menu command
if ::Menu != nil
if( oMenuItem := ::Menu:FindItem( nId ) ) != nil
if oMenuItem:OnClick != nil
__ObjSendMsg( Self, oMenuItem:OnClick, oMenuItem )
endif
endif
else // Control command
nAt = AScan( ::aControls, { | o | o:hWnd == hWndCtl } )
if nAt != 0
oControl = ::aControls[ nAt ]
if oControl:OnClick != nil
__ObjSendMsg( Self, oControl:OnClick, oControl )
endif
endif
endif
endif
return nil
METHOD InsertControl( oControl ) CLASS HBForm
DEFAULT ::aControls TO {}
AAdd( ::aControls, oControl )
oControl:Show()
return nil
METHOD LButtonDown( nKeyFlags, nXPos, nYPos ) CLASS HBForm
if ::OnClick != nil
return __ObjSendMsg( Self, ::OnClick, Self, nXPos, nYPos )
endif
return nil
METHOD HandleEvent( nMsg, nParam1, nParam2 ) CLASS HBForm
do case
case nMsg == WM_COMMAND
return ::Command( nHiWord( nParam1 ), nLoWord( nParam1 ), nParam2 )
case nMsg == WM_LBUTTONDOWN
return ::LButtonDown( nParam1, nLoWord( nParam2 ), nHiWord( nParam2 ) )
case nMsg == WM_DESTROY
PostQuitMessage( 0 )
return 0
endcase
return nil
METHOD ShowModal() CLASS HBForm
HB_FormShowModal( ::hWnd )
return nil
ASSIGN Menu( oNewMenu ) CLASS HBForm
::oMainMenu = oNewMenu
SetMenu( ::hWnd, oNewMenu:nHandle )
return nil
function HB_GUI( hWnd, nMsg, nParam1, nParam2 ) // messages entry point
local nForm := AScan( aForms, { | oForm | oForm:hWnd == hWnd } )
static aReturn := { nil, nil }
if nForm != 0
aReturn[ 1 ] = aForms[ nForm ]:HandleEvent( nMsg, nParam1, nParam2 )
endif
return aReturn