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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SV_SELENG_HXX
#define _SV_SELENG_HXX
#include <vcl/dllapi.h>
#include <vcl/timer.hxx>
#include <vcl/event.hxx>
class Window;
class CommandEvent;
// Timerticks
#define SELENG_DRAGDROP_TIMEOUT 400
#define SELENG_AUTOREPEAT_INTERVAL 50
enum SelectionMode { NO_SELECTION, SINGLE_SELECTION, RANGE_SELECTION, MULTIPLE_SELECTION };
// ---------------
// - FunctionSet -
// ---------------
class VCL_DLLPUBLIC FunctionSet
{
public:
virtual void BeginDrag() = 0;
virtual void CreateAnchor() = 0; // Anker-Pos := Cursor-Pos
virtual void DestroyAnchor() = 0;
// Cursor neu setzen, dabei die beim Anker beginnende
// Selektion der neuen Cursor-Position anpassen. TRUE == Ok
virtual BOOL SetCursorAtPoint( const Point& rPointPixel,
BOOL bDontSelectAtCursor = FALSE ) = 0;
virtual BOOL IsSelectionAtPoint( const Point& rPointPixel ) = 0;
virtual void DeselectAtPoint( const Point& rPointPixel ) = 0;
// Anker loeschen & alles deselektieren
virtual void DeselectAll() = 0;
};
// -------------------
// - SelectionEngine -
// -------------------
#define SELENG_DRG_ENAB 0x0001
#define SELENG_IN_SEL 0x0002
#define SELENG_IN_ADD 0x0004
#define SELENG_ADD_ALW 0x0008
#define SELENG_IN_DRG 0x0010
#define SELENG_HAS_ANCH 0x0020
#define SELENG_CMDEVT 0x0040
#define SELENG_WAIT_UPEVT 0x0080
#define SELENG_EXPANDONMOVE 0x0100
class VCL_DLLPUBLIC SelectionEngine
{
private:
FunctionSet* pFunctionSet;
Window* pWin;
Rectangle aArea;
Timer aWTimer; // erzeugt kuenstliche Mouse-Moves
MouseEvent aLastMove;
SelectionMode eSelMode;
// Stufigkeit fuer Mausbewegungen waehrend einer Selektion
USHORT nMouseSensitivity;
USHORT nLockedMods;
USHORT nFlags;
DECL_DLLPRIVATE_LINK( ImpWatchDog, Timer * );
inline BOOL ShouldDeselect( BOOL bModifierKey1 ) const;
// determines to deselect or not when Ctrl-key is pressed on CursorPosChanging
public:
SelectionEngine( Window* pWindow,
FunctionSet* pFunctions = NULL );
~SelectionEngine();
// TRUE: Event wurde von Selection-Engine verarbeitet.
BOOL SelMouseButtonDown( const MouseEvent& rMEvt );
BOOL SelMouseButtonUp( const MouseEvent& rMEvt );
BOOL SelMouseMove( const MouseEvent& rMEvt );
// Tastatur
void CursorPosChanging( BOOL bShift, BOOL bMod1 );
// wird benoetigt, um bei ausserhalb des Bereichs stehender
// Maus ueber einen Timer Move-Events zu erzeugen
void SetVisibleArea( const Rectangle rNewArea )
{ aArea = rNewArea; }
const Rectangle& GetVisibleArea() const { return aArea; }
void SetAddMode( BOOL);
BOOL IsAddMode() const;
void AddAlways( BOOL bOn );
BOOL IsAlwaysAdding() const;
void EnableDrag( BOOL bOn );
BOOL IsDragEnabled() const;
void ActivateDragMode();
BOOL IsInDragMode() const;
void SetSelectionMode( SelectionMode eMode );
SelectionMode GetSelectionMode() const { return eSelMode; }
void SetFunctionSet( FunctionSet* pFuncs )
{ pFunctionSet = pFuncs; }
const FunctionSet* GetFunctionSet() const { return pFunctionSet; }
void SetMouseSensitivity( USHORT nSensitivity )
{ nMouseSensitivity = nSensitivity; }
USHORT GetMouseSensitivity() const
{ return nMouseSensitivity; }
const Point& GetMousePosPixel() const
{ return aLastMove.GetPosPixel(); }
const MouseEvent& GetMouseEvent() const { return aLastMove; }
void SetWindow( Window*);
Window* GetWindow() const { return pWin; }
void LockModifiers( USHORT nModifiers )
{ nLockedMods = nModifiers; }
USHORT GetLockedModifiers() const { return nLockedMods; }
BOOL IsInSelection() const;
void Reset();
void Command( const CommandEvent& rCEvt );
BOOL HasAnchor() const;
void SetAnchor( BOOL bAnchor );
// wird im Ctor eingeschaltet
void ExpandSelectionOnMouseMove( BOOL bExpand = TRUE )
{
if( bExpand )
nFlags |= SELENG_EXPANDONMOVE;
else
nFlags &= ~SELENG_EXPANDONMOVE;
}
};
inline BOOL SelectionEngine::IsDragEnabled() const
{
if ( nFlags & SELENG_DRG_ENAB )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::IsAddMode() const
{
if ( nFlags & (SELENG_IN_ADD | SELENG_ADD_ALW) )
return TRUE;
else
return FALSE;
}
inline void SelectionEngine::SetAddMode( BOOL bNewMode )
{
if ( bNewMode )
nFlags |= SELENG_IN_ADD;
else
nFlags &= (~SELENG_IN_ADD);
}
inline void SelectionEngine::EnableDrag( BOOL bOn )
{
if ( bOn )
nFlags |= SELENG_DRG_ENAB;
else
nFlags &= (~SELENG_DRG_ENAB);
}
inline void SelectionEngine::AddAlways( BOOL bOn )
{
if( bOn )
nFlags |= SELENG_ADD_ALW;
else
nFlags &= (~SELENG_ADD_ALW);
}
inline BOOL SelectionEngine::IsAlwaysAdding() const
{
if ( nFlags & SELENG_ADD_ALW )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::IsInDragMode() const
{
if ( nFlags & SELENG_IN_DRG )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::IsInSelection() const
{
if ( nFlags & SELENG_IN_SEL )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::HasAnchor() const
{
if ( nFlags & SELENG_HAS_ANCH )
return TRUE;
else
return FALSE;
}
inline void SelectionEngine::SetAnchor( BOOL bAnchor )
{
if ( bAnchor )
nFlags |= SELENG_HAS_ANCH;
else
nFlags &= (~SELENG_HAS_ANCH);
}
#endif // _SV_SELENG_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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