vcl/inc/scrwnd.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.
   4  *
   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_SCRWND_HXX
  21 #define INCLUDED_VCL_INC_SCRWND_HXX
  22
  23 #include <vcl/toolkit/floatwin.hxx>
  24 #include <vcl/bitmap.hxx>
  25 #include <vcl/image.hxx>
  26
  27 class Timer;
  28
  29 enum class WheelMode {
  30     NONE      = 0x0000,
  31     VH        = 0x0001,
  32     V         = 0x0002,
  33     H         = 0x0004,
  34     ScrollVH  = 0x0008,
  35     ScrollV   = 0x0010,
  36     ScrollH   = 0x0020
  37 };
  38 namespace o3tl {
  39     template<> struct typed_flags<WheelMode> : is_typed_flags<WheelMode, 0x003f> {};
  40 }
  41
  42 class ImplWheelWindow final : public FloatingWindow
  43 {
  44 private:
  45
  46     std::vector<Image>  maImgList;
  47     Point               maLastMousePos;
  48     Point               maCenter;
  49     std::unique_ptr<Timer> mpTimer;
  50     sal_uInt64          mnRepaintTime;
  51     sal_uInt64          mnTimeout;
  52     WheelMode           mnWheelMode;
  53     sal_uLong           mnMaxWidth;
  54     sal_uLong           mnActDist;
  55     tools::Long                mnActDeltaX;
  56     tools::Long                mnActDeltaY;
  57     void                ImplCreateImageList();
  58     void                ImplSetRegion(const Bitmap& rRegionBmp);
  59     using Window::ImplGetMousePointer;
  60     PointerStyle        ImplGetMousePointer( tools::Long nDistX, tools::Long nDistY ) const;
  61     void                ImplDrawWheel(vcl::RenderContext& rRenderContext);
  62     void                ImplRecalcScrollValues();
  63
  64                         DECL_LINK(ImplScrollHdl, Timer *, void);
  65
  66     virtual void        Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;
  67     virtual void        MouseMove( const MouseEvent& rMEvt ) override;
  68     virtual void        MouseButtonUp( const MouseEvent& rMEvt ) override;
  69
  70 public:
  71
  72     explicit ImplWheelWindow( vcl::Window* pParent );
  73     virtual             ~ImplWheelWindow() override;
  74     virtual void        dispose() override;
  75
  76     void                ImplStop();
  77     void                ImplSetWheelMode( WheelMode nWheelMode );
  78 };
  79
  80 #endif // INCLUDED_VCL_INC_SCRWND_HXX
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */