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/*************************************************************************
*
* $RCSfile: helppopupwindow.hxx,v $
*
* $Revision: 1.1 $
*
* last change: $Author: tra $ $Date: 2001-08-03 13:51:10 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _HELPPOPUPWINDOW_HXX_
#define _HELPPOPUPWINDOW_HXX_
//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------
#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#ifndef _RTL_USTRING_HXX_
#include <rtl/ustring.hxx>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#include <systools/win32/user9x.h>
//---------------------------------------------
// declaration
//---------------------------------------------
/*
A simple popup window similary to the one the
windows help (using WinHelp) creates when called
with the option HELP_CONTEXTPOPUP.
The interface is very simple but necessary for our
needs.
The window automaticaly calculates the necessary
dimensions of the window and a appropriate show
position based on the position the client provides.
When the user click any mouse button or hits any key
the window closes itself and disappears.
*/
class CHelpPopupWindow
{
public:
/*
The client may set some parameter of the window.
When the client omits to set one or more values
a default value will be taken.
The values are in pixel.
*/
CHelpPopupWindow(
HINSTANCE hInstance,
HWND hwndParent = NULL,
sal_Int32 minWidth = 0,
sal_Int32 hMargins = 0,
sal_Int32 vMargins = 0 );
/*
dtor
*/
~CHelpPopupWindow( );
/*
The client may set the text the window is showing
on next activation.
*/
void SAL_CALL setText( const rtl::OUString& aHelpText );
/*
Shows the window with the text that was last set.
The posistion is the prefered position. The window
may itself show at a slightly different position
if it fits not at the prefered position.
*/
void SAL_CALL show( sal_Int32 x, sal_Int32 y );
HWND SAL_CALL setParent( HWND hwndNewParent );
private:
void SAL_CALL onPaint( HWND, HDC );
void SAL_CALL onNcDestroy( HWND );
void SAL_CALL onCreate( HWND );
POINT SAL_CALL calcUpperLeftCorner( );
void SAL_CALL calcWindowRect( LPRECT lprect );
void SAL_CALL adjustWindowSize( sal_Int32*, sal_Int32* );
void SAL_CALL adjustWindowPos( sal_Int32 x, sal_Int32 y, sal_Int32 cx, sal_Int32 cy );
ATOM SAL_CALL RegisterWindowClass( );
void SAL_CALL UnregisterWindowClass( );
static LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
private:
sal_Int32 m_minWidth;
sal_Int32 m_hMargins;
sal_Int32 m_vMargins;
HWND m_hwnd;
HWND m_hwndParent;
HINSTANCE m_hInstance;
sal_Bool m_bWndClassRegistered;
::rtl::OUString m_HelpText;
HBITMAP m_hBitmapShadow;
HBRUSH m_hBrushShadow;
// the window class has to be registered only
// once per process, so multiple instance of this class
// share the registered window class
static ATOM s_ClassAtom;
static osl::Mutex s_Mutex;
static sal_Int32 s_RegisterWndClassCount;
// prevent copy and assignment
private:
CHelpPopupWindow( const CHelpPopupWindow& );
CHelpPopupWindow& operator=( const CHelpPopupWindow& );
};
#endif
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