vcl/inc/salobj.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_INC_SALOBJ_HXX
  21 #define INCLUDED_VCL_INC_SALOBJ_HXX
  22
  23 #include <vcl/dllapi.h>
  24 #include <vcl/syschild.hxx>
  25 #include <com/sun/star/uno/Sequence.hxx>
  26 #include "salwtype.hxx"
  27
  28 struct SystemEnvData;
  29
  30 typedef void (*SALOBJECTPROC)(SystemChildWindow* pInst, SalObjEvent nEvent);
  31
  32 class VCL_PLUGIN_PUBLIC SalObject
  33 {
  34     VclPtr<SystemChildWindow> m_pInst;
  35     SALOBJECTPROC       m_pCallback;
  36     bool                m_bMouseTransparent:1,
  37                         m_bEraseBackground:1;
  38 public:
  39             SalObject() : m_pInst( nullptr ), m_pCallback( nullptr ), m_bMouseTransparent( false ), m_bEraseBackground( true ) {}
  40             virtual ~SalObject();
  41
  42     virtual void                    ResetClipRegion() = 0;
  43     virtual void                    BeginSetClipRegion( sal_uInt32 nRects ) = 0;
  44     virtual void                    UnionClipRegion( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
  45     virtual void                    EndSetClipRegion() = 0;
  46
  47     virtual void                    SetPosSize( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
  48     virtual void                    Show( bool bVisible ) = 0;
  49     virtual void                    Enable( bool /* nEnable */ ) {} // overridden by WinSalObject
  50     virtual void                    GrabFocus() {}
  51     virtual void                    Reparent(SalFrame* /*pFrame*/) {}
  52
  53     virtual void                    SetForwardKey( bool /* bEnable */ ) {}
  54
  55     virtual void                    SetLeaveEnterBackgrounds(const css::uno::Sequence<css::uno::Any>& /*rLeaveArgs*/, const css::uno::Sequence<css::uno::Any>& /*rEnterArgs*/) {}
  56
  57     virtual const SystemEnvData*    GetSystemData() const = 0;
  58
  59     virtual Size GetOptimalSize() const { return Size(); }
  60
  61     void                            SetCallback( SystemChildWindow* pInst, SALOBJECTPROC pProc )
  62                                         { m_pInst = pInst; m_pCallback = pProc; }
  63     void                            CallCallback( SalObjEvent nEvent )
  64                                         { if (m_pCallback) m_pCallback( m_pInst, nEvent ); }
  65
  66     void                            SetMouseTransparent( bool bMouseTransparent )
  67                                         { m_bMouseTransparent = bMouseTransparent; }
  68     bool                            IsMouseTransparent() const
  69                                         { return m_bMouseTransparent; }
  70
  71     void                            EnableEraseBackground( bool bEnable )
  72                                         { m_bEraseBackground = bEnable; }
  73     bool                            IsEraseBackgroundEnabled() const
  74                                         { return m_bEraseBackground; }
  75 };
  76
  77 #endif // INCLUDED_VCL_INC_SALOBJ_HXX
  78
  79 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */