507 lines
15 KiB
C++
507 lines
15 KiB
C++
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/*************************************************************************
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*
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* $RCSfile: seleng.cxx,v $
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*
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* $Revision: 1.1.1.1 $
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*
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* last change: $Author: hr $ $Date: 2000-09-18 17:05:40 $
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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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#include <tools/ref.hxx>
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#include <window.hxx>
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#include <seleng.hxx>
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#include <tools/debug.hxx>
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#pragma hdrstop
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// TODO: FunctionSet::SelectAtPoint raus
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/*************************************************************************
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|*
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|* SelectionEngine::SelectionEngine()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 10.10.94
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|*
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*************************************************************************/
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SelectionEngine::SelectionEngine( Window* pWindow, FunctionSet* pFuncSet ) :
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pWin( pWindow )
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{
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eSelMode = SINGLE_SELECTION;
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pFunctionSet = pFuncSet;
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nFlags = SELENG_EXPANDONMOVE;
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nLockedMods = 0;
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aWTimer.SetTimeoutHdl( LINK( this, SelectionEngine, ImpWatchDog ) );
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aWTimer.SetTimeout( SELENG_AUTOREPEAT_INTERVAL );
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}
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/*************************************************************************
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|*
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|* SelectionEngine::~SelectionEngine()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 10.10.94
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|*
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*************************************************************************/
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SelectionEngine::~SelectionEngine()
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{
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aWTimer.Stop();
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}
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/*************************************************************************
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|*
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|* SelectionEngine::ImpWatchDog()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 10.10.94
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|*
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*************************************************************************/
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IMPL_LINK( SelectionEngine, ImpWatchDog, Timer*, EMPTYARG )
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{
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if ( !aArea.IsInside( aLastMove.GetPosPixel() ) )
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SelMouseMove( aLastMove );
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return 0;
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}
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/*************************************************************************
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|*
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|* SelectionEngine::SetSelectionMode()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 10.10.94
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|*
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*************************************************************************/
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void SelectionEngine::SetSelectionMode( SelectionMode eMode )
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{
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eSelMode = eMode;
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}
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/*************************************************************************
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|*
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|* SelectionEngine::ActivateDragMode()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 10.10.94
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|*
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*************************************************************************/
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void SelectionEngine::ActivateDragMode()
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{
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DBG_ERRORFILE( "SelectionEngine::ActivateDragMode not implemented" );
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}
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/*************************************************************************
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|*
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|* SelectionEngine::CursorPosChanging()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 10.10.94
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|*
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*************************************************************************/
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void SelectionEngine::CursorPosChanging( BOOL bShift, BOOL /* bMod1 */ )
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{
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if ( !pFunctionSet )
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return;
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if ( bShift && eSelMode != SINGLE_SELECTION )
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{
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if ( IsAddMode() )
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{
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if ( !(nFlags & SELENG_HAS_ANCH) )
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{
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pFunctionSet->CreateAnchor();
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nFlags |= SELENG_HAS_ANCH;
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}
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}
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else
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{
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if ( !(nFlags & SELENG_HAS_ANCH) )
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{
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pFunctionSet->DeselectAll();
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pFunctionSet->CreateAnchor();
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nFlags |= SELENG_HAS_ANCH;
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}
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}
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}
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else
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{
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if ( IsAddMode() )
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{
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if ( nFlags & SELENG_HAS_ANCH )
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{
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// pFunctionSet->CreateCursor();
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pFunctionSet->DestroyAnchor();
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nFlags &= (~SELENG_HAS_ANCH);
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}
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}
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else
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{
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pFunctionSet->DeselectAll();
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nFlags &= (~SELENG_HAS_ANCH);
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}
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}
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}
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/*************************************************************************
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|*
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|* SelectionEngine::SelMouseButtonDown()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 07.06.95
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|*
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*************************************************************************/
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BOOL SelectionEngine::SelMouseButtonDown( const MouseEvent& rMEvt )
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{
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nFlags &= (~SELENG_CMDEVT);
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if ( !pFunctionSet || !pWin || rMEvt.GetClicks() > 1 || rMEvt.IsRight() )
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return FALSE;
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USHORT nModifier = rMEvt.GetModifier() | nLockedMods;
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if ( nModifier & KEY_MOD2 )
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return FALSE;
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// in SingleSelection: Control-Taste filtern (damit auch
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// mit Ctrl-Click ein D&D gestartet werden kann)
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if ( nModifier == KEY_MOD1 && eSelMode == SINGLE_SELECTION )
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nModifier = 0;
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Point aPos = rMEvt.GetPosPixel();
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aLastMove = rMEvt;
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pWin->CaptureMouse();
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nFlags |= SELENG_IN_SEL;
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switch ( nModifier )
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{
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case 0: // KEY_NO_KEY
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{
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BOOL bSelAtPoint = pFunctionSet->IsSelectionAtPoint( aPos );
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nFlags &= (~SELENG_IN_ADD);
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if ( (nFlags & SELENG_DRG_ENAB) && bSelAtPoint )
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{
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nFlags |= SELENG_WAIT_UPEVT;
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nFlags &= ~(SELENG_IN_SEL);
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pWin->ReleaseMouse();
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return TRUE; //auf STARTDRAG-Command-Event warten
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}
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if ( eSelMode != SINGLE_SELECTION )
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{
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if( !IsAddMode() )
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pFunctionSet->DeselectAll();
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else
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pFunctionSet->DestroyAnchor();
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nFlags &= (~SELENG_HAS_ANCH); // bHasAnchor = FALSE;
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}
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pFunctionSet->SetCursorAtPoint( aPos );
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// Sonderbehandlung Single-Selection, damit Select+Drag
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// in einem Zug moeglich ist
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if (eSelMode == SINGLE_SELECTION && (nFlags & SELENG_DRG_ENAB))
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nFlags |= SELENG_WAIT_UPEVT;
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return TRUE;
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}
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case KEY_SHIFT:
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if ( eSelMode == SINGLE_SELECTION )
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{
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pWin->ReleaseMouse();
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nFlags &= (~SELENG_IN_SEL);
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return FALSE;
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}
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if ( nFlags & SELENG_ADD_ALW )
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nFlags |= SELENG_IN_ADD;
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else
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nFlags &= (~SELENG_IN_ADD);
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if( !(nFlags & SELENG_HAS_ANCH) )
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{
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if ( !(nFlags & SELENG_IN_ADD) )
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pFunctionSet->DeselectAll();
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pFunctionSet->CreateAnchor();
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nFlags |= SELENG_HAS_ANCH;
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}
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pFunctionSet->SetCursorAtPoint( aPos );
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return TRUE;
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case KEY_MOD1:
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// Control nur bei Mehrfachselektion erlaubt
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if ( eSelMode != MULTIPLE_SELECTION )
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{
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nFlags &= (~SELENG_IN_SEL);
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pWin->ReleaseMouse();
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return TRUE; // Mausclick verschlucken
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}
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if ( nFlags & SELENG_HAS_ANCH )
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{
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// pFunctionSet->CreateCursor();
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pFunctionSet->DestroyAnchor();
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nFlags &= (~SELENG_HAS_ANCH);
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}
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if ( pFunctionSet->IsSelectionAtPoint( aPos ) )
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{
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pFunctionSet->DeselectAtPoint( aPos );
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pFunctionSet->SetCursorAtPoint( aPos, TRUE );
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}
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else
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{
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pFunctionSet->SetCursorAtPoint( aPos );
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}
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return TRUE;
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case KEY_SHIFT + KEY_MOD1:
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if ( eSelMode != MULTIPLE_SELECTION )
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{
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pWin->ReleaseMouse();
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nFlags &= (~SELENG_IN_SEL);
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return FALSE;
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}
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nFlags |= SELENG_IN_ADD; //bIsInAddMode = TRUE;
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if ( !(nFlags & SELENG_HAS_ANCH) )
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{
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pFunctionSet->CreateAnchor();
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nFlags |= SELENG_HAS_ANCH;
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}
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pFunctionSet->SetCursorAtPoint( aPos );
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return TRUE;
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}
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return FALSE;
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}
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/*************************************************************************
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|*
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|* SelectionEngine::SelMouseButtonUp()
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|*
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|* Beschreibung SELENG.SDW
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|* Ersterstellung OV 10.10.94
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|* Letzte Aenderung OV 10.10.94
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|*
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*************************************************************************/
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BOOL SelectionEngine::SelMouseButtonUp( const MouseEvent& /* rMEvt */ )
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{
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aWTimer.Stop();
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//DbgOut("Up");
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if( !pFunctionSet || !pWin )
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{
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nFlags &= ~(SELENG_CMDEVT | SELENG_WAIT_UPEVT | SELENG_IN_SEL);
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return FALSE;
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}
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pWin->ReleaseMouse();
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if( (nFlags & SELENG_WAIT_UPEVT) && !(nFlags & SELENG_CMDEVT) &&
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eSelMode != SINGLE_SELECTION)
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{
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// MouseButtonDown in Sel aber kein CommandEvent eingetrudelt
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// ==> deselektieren
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USHORT nModifier = aLastMove.GetModifier() | nLockedMods;
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if( nModifier == KEY_MOD1 || IsAlwaysAdding() )
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{
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if( !(nModifier & KEY_SHIFT) )
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{
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pFunctionSet->DestroyAnchor();
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nFlags &= (~SELENG_HAS_ANCH); // nix Anker
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}
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pFunctionSet->DeselectAtPoint( aLastMove.GetPosPixel() );
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nFlags &= (~SELENG_HAS_ANCH); // nix Anker
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pFunctionSet->SetCursorAtPoint( aLastMove.GetPosPixel(), TRUE );
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}
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else
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{
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pFunctionSet->DeselectAll();
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nFlags &= (~SELENG_HAS_ANCH); // nix Anker
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pFunctionSet->SetCursorAtPoint( aLastMove.GetPosPixel() );
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}
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}
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nFlags &= ~(SELENG_CMDEVT | SELENG_WAIT_UPEVT | SELENG_IN_SEL);
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return TRUE;
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}
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/*************************************************************************
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|
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|*
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|* SelectionEngine::SelMouseMove()
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|*
|
||
|
|
|* Beschreibung SELENG.SDW
|
||
|
|
|* Ersterstellung OV 10.10.94
|
||
|
|
|* Letzte Aenderung OV 10.10.94
|
||
|
|
|*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
BOOL SelectionEngine::SelMouseMove( const MouseEvent& rMEvt )
|
||
|
|
{
|
||
|
|
|
||
|
|
if ( !pFunctionSet || !(nFlags & SELENG_IN_SEL) ||
|
||
|
|
(nFlags & (SELENG_CMDEVT | SELENG_WAIT_UPEVT)) )
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if( !(nFlags & SELENG_EXPANDONMOVE) )
|
||
|
|
return FALSE; // auf DragEvent warten!
|
||
|
|
|
||
|
|
aLastMove = rMEvt;
|
||
|
|
// wenn die Maus ausserhalb der Area steht, dann wird die
|
||
|
|
// Frequenz des SetCursorAtPoint() nur durch den Timer bestimmt
|
||
|
|
if( aWTimer.IsActive() && !aArea.IsInside( rMEvt.GetPosPixel() ))
|
||
|
|
return TRUE;
|
||
|
|
|
||
|
|
|
||
|
|
aWTimer.Start();
|
||
|
|
if ( eSelMode != SINGLE_SELECTION )
|
||
|
|
{
|
||
|
|
if ( !(nFlags & SELENG_HAS_ANCH) )
|
||
|
|
{
|
||
|
|
pFunctionSet->CreateAnchor();
|
||
|
|
//DbgOut("Move:Creating anchor");
|
||
|
|
nFlags |= SELENG_HAS_ANCH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//DbgOut("Move:SetCursor");
|
||
|
|
pFunctionSet->SetCursorAtPoint( rMEvt.GetPosPixel() );
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*************************************************************************
|
||
|
|
|*
|
||
|
|
|* SelectionEngine::SetWindow()
|
||
|
|
|*
|
||
|
|
|* Beschreibung SELENG.SDW
|
||
|
|
|* Ersterstellung OV 10.10.94
|
||
|
|
|* Letzte Aenderung OV 10.10.94
|
||
|
|
|*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void SelectionEngine::SetWindow( Window* pNewWin )
|
||
|
|
{
|
||
|
|
if( pNewWin != pWin )
|
||
|
|
{
|
||
|
|
if ( pWin && (nFlags & SELENG_IN_SEL) )
|
||
|
|
pWin->ReleaseMouse();
|
||
|
|
pWin = pNewWin;
|
||
|
|
if ( pWin && ( nFlags & SELENG_IN_SEL ) )
|
||
|
|
pWin->CaptureMouse();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*************************************************************************
|
||
|
|
|*
|
||
|
|
|* SelectionEngine::Reset()
|
||
|
|
|*
|
||
|
|
|* Beschreibung SELENG.SDW
|
||
|
|
|* Ersterstellung OV 07.07.95
|
||
|
|
|* Letzte Aenderung OV 07.07.95
|
||
|
|
|*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void SelectionEngine::Reset()
|
||
|
|
{
|
||
|
|
aWTimer.Stop();
|
||
|
|
if ( nFlags & SELENG_IN_SEL )
|
||
|
|
pWin->ReleaseMouse();
|
||
|
|
nFlags &= ~(SELENG_HAS_ANCH | SELENG_IN_SEL);
|
||
|
|
nLockedMods = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*************************************************************************
|
||
|
|
|*
|
||
|
|
|* SelectionEngine::Command()
|
||
|
|
|*
|
||
|
|
|* Beschreibung SELENG.SDW
|
||
|
|
|* Ersterstellung OV 07.07.95
|
||
|
|
|* Letzte Aenderung OV 07.07.95
|
||
|
|
|*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
void SelectionEngine::Command( const CommandEvent& rCEvt )
|
||
|
|
{
|
||
|
|
// Timer aWTimer ist beim Aufspannen einer Selektion aktiv
|
||
|
|
if ( !pFunctionSet || !pWin || aWTimer.IsActive() )
|
||
|
|
return;
|
||
|
|
aWTimer.Stop();
|
||
|
|
nFlags |= SELENG_CMDEVT;
|
||
|
|
if ( rCEvt.GetCommand() == COMMAND_STARTDRAG )
|
||
|
|
{
|
||
|
|
if ( nFlags & SELENG_DRG_ENAB )
|
||
|
|
{
|
||
|
|
DBG_ASSERT( rCEvt.IsMouseEvent(), "STARTDRAG: Not a MouseEvent" );
|
||
|
|
if ( pFunctionSet->IsSelectionAtPoint( rCEvt.GetMousePosPixel() ) )
|
||
|
|
{
|
||
|
|
aLastMove = MouseEvent( rCEvt.GetMousePosPixel(),
|
||
|
|
aLastMove.GetClicks(), aLastMove.GetMode(),
|
||
|
|
aLastMove.GetButtons(), aLastMove.GetModifier() );
|
||
|
|
pFunctionSet->BeginDrag();
|
||
|
|
nFlags &= ~(SELENG_CMDEVT|SELENG_WAIT_UPEVT|SELENG_IN_SEL);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
nFlags &= ~SELENG_CMDEVT;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
nFlags &= ~SELENG_CMDEVT;
|
||
|
|
}
|
||
|
|
}
|