212 lines
7.3 KiB
C++
212 lines
7.3 KiB
C++
/*************************************************************************
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*
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* $RCSfile: accframe.hxx,v $
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*
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* $Revision: 1.9 $
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*
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* last change: $Author: mib $ $Date: 2002-03-19 12:49:27 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _ACCFRAME_HXX
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#define _ACCFRAME_HXX
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#ifndef _SAL_TYPES_H_
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#include <sal/types.h>
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#endif
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#ifndef _SV_GEN_HXX
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#include <vcl/gen.hxx>
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#endif
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#ifndef _FRAME_HXX
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#include <frame.hxx>
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#endif
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// Any method of this class must be called with an acquired solar mutex!
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class SwAccessibleFrame
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{
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Rectangle aVisArea;
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const SwFrm *pFrm;
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static sal_Int32 GetChildCount( const Rectangle& rVisArea,
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const SwFrm *pFrm );
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static const SwFrm *GetChild( const Rectangle& rVisArea,
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const SwFrm *pFrm,
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sal_Int32& rPos );
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static sal_Bool GetChildIndex( const Rectangle& rVisArea,
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const SwFrm *pFrm,
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const SwFrm *pChild,
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sal_Int32& rPos );
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static const SwFrm *GetChildAt( const Rectangle& rVisArea,
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const SwFrm *pFrm,
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const Point& rPos );
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static void MergeLowerBounds( SwRect& rBounds,
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const Rectangle& rVisArea,
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const SwFrm *pFrm );
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protected:
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// A child has been added while setting the vis area
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virtual sal_Bool ChildScrolledIn( const SwFrm *pFrm );
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// A child has been removed while setting the vis area
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virtual sal_Bool ChildScrolledOut( const SwFrm *pFrm );
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// A child has been moved while setting the vis area
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virtual sal_Bool ChildScrolled( const SwFrm *pFrm );
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// The editable state of a child should be checked
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virtual sal_Bool CheckStatesChild( const SwFrm *pFrm, sal_uInt8 nStates );
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// A child shall be disposed
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virtual sal_Bool DisposeChild( const SwFrm *pFrm, sal_Bool bRecursive );
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sal_Bool IsEditable( ViewShell *pVSh ) const;
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sal_Bool IsOpaque( ViewShell *pVSh ) const;
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inline sal_Bool IsShowing( const Rectangle& rFrm ) const;
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inline sal_Bool IsShowing( const SwFrm *pFrm ) const;
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inline sal_Bool IsShowing() const { return IsShowing( GetFrm() ); }
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void ClearFrm() { pFrm = 0; }
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SwAccessibleFrame( const Rectangle& rVisArea,
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const SwFrm *pFrm );
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virtual ~SwAccessibleFrame();
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public:
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// Return the SwFrm this context is attached to.
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const SwFrm *GetFrm() const { return pFrm; };
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protected:
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// Return the bounding box of the frame clipped to the vis area. If
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// no frame is specified, use this' frame.
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Rectangle GetBounds( const SwFrm *pFrm=0 );
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// Return the upper that has a context attached. This might be
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// another one than the immediate upper.
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const SwFrm *GetParent() const;
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// Return the lower count or the nth lower, there the lowers have a
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// not be same one as the SwFrm's lowers
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inline sal_Int32 GetChildCount() const;
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inline const SwFrm *GetChild( sal_Int32 nPos ) const;
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inline sal_Int32 GetChildIndex( const SwFrm *pFrm ) const;
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inline const SwFrm *GetChildAt( const Point& rPos ) const;
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static void SetVisArea( const SwFrm *pFrm,
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const Rectangle& rOldVisArea,
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const Rectangle& rNewVisArea,
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SwAccessibleFrame *pAcc = 0 );
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virtual void SetVisArea( const Rectangle& rNewVisArea );
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static void CheckStatesChildren( const SwFrm *pFrm,
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const Rectangle& rOldVisArea,
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sal_uInt8 nStates,
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SwAccessibleFrame *pAcc = 0 );
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inline void CheckStatesChildren( sal_uInt8 nStates );
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static void DisposeChildren( const SwFrm *pFrm,
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const Rectangle& rOldVisArea,
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sal_Bool bRecursive,
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SwAccessibleFrame *pAcc = 0 );
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inline void DisposeChildren( sal_Bool bRecursive );
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const Rectangle& GetVisArea() const { return aVisArea; }
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};
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inline sal_Bool SwAccessibleFrame::IsShowing( const Rectangle& rFrm ) const
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{
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return rFrm.IsOver( aVisArea );
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}
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inline sal_Bool SwAccessibleFrame::IsShowing( const SwFrm *pFrm ) const
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{
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return IsShowing( pFrm->Frm().SVRect() );
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}
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inline sal_Int32 SwAccessibleFrame::GetChildCount() const
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{
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return GetChildCount( aVisArea, pFrm );
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}
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inline const SwFrm *SwAccessibleFrame::GetChild( sal_Int32 nPos ) const
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{
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return GetChild( aVisArea, pFrm, nPos );
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}
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inline sal_Int32 SwAccessibleFrame::GetChildIndex( const SwFrm *pChild ) const
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{
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sal_Int32 nPos = 0;
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return GetChildIndex( aVisArea, pFrm, pChild, nPos ) ? nPos : -1L;
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}
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inline const SwFrm *SwAccessibleFrame::GetChildAt( const Point& rPos ) const
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{
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return GetChildAt( aVisArea, pFrm, rPos );
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}
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inline void SwAccessibleFrame::CheckStatesChildren( sal_uInt8 nStates )
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{
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CheckStatesChildren( GetFrm(), aVisArea, nStates, this );
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}
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inline void SwAccessibleFrame::DisposeChildren( sal_Bool bRecursive )
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{
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DisposeChildren( GetFrm(), aVisArea, bRecursive, this );
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}
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#endif
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