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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_SW_SOURCE_CORE_UIBASE_INC_SWRULER_HXX
#define INCLUDED_SW_SOURCE_CORE_UIBASE_INC_SWRULER_HXX
#include <svx/ruler.hxx>
class SwViewShell;
class View;
class Window;
class SwEditWin;
/**
* An horizontal ruler with a control for comment panel visibility fo Writer.
*
* The comment control only appears when the document has comments already.
*/
class SwCommentRuler
: public SvxRuler
{
public:
SwCommentRuler (
SwViewShell* pViewSh,
Window* pParent,
SwEditWin* pWin,
sal_uInt16 nRulerFlags,
SfxBindings& rBindings,
WinBits nWinStyle);
virtual ~SwCommentRuler ();
/**
* Paint the ruler.
* \param rRect ignored
*/
virtual void Paint( const Rectangle& rRect ) SAL_OVERRIDE;
protected:
SwViewShell * mpViewShell; //< Shell to check if there is any comments on doc and their visibility
SwEditWin * mpSwWin; //< Used to get SwView to change the SideBar visibility
bool mbIsHighlighted; //< If comment control is highlighted (mouse is over it)
Timer maFadeTimer; //< Timer for high/'low'light fading
int mnFadeRate; //< From 0 to 100. 0 means not highlighted.
VirtualDevice maVirDev; //< VirtualDevice of this window. Just for convenience.
/**
* Callback function to handle a mouse button down event.
*
* When on comment control, it toggles the comment panel visibility.
*/
virtual void MouseButtonDown( const MouseEvent& rMEvt ) SAL_OVERRIDE;
/**
* Callback function to handle a mouse move event.
*
* When on comment control, it let the control responsive by highlighting.
*/
virtual void MouseMove(const MouseEvent& rMEvt) SAL_OVERRIDE;
/**
* Callback function to handle a context menu call (mouse right button click).
*
* When on comment control, it does not do anything.
*/
virtual void Command( const CommandEvent& rCEvt ) SAL_OVERRIDE;
/**
* Update the view.
*
* Update the ruler appearance according to the document view and
* current cursor position.
*/
virtual void Update() SAL_OVERRIDE;
/**
* Get the rectangle area that should be used to draw the comment control.
*
* It is horizontally aligned to the SideBar panel.
* \return The area where the comment control is.
*/
Rectangle GetCommentControlRegion();
/**
* Paint the comment control on VirtualDevice.
*/
void DrawCommentControl();
/**
* Draw a little horizontal arrow tip on VirtualDevice.
* \param nX left coordinate of arrow
* \param nY top coordinate of arrow
* \param Color arrow color
* \param bPointRight if arrow should point to right. Otherwise, it will point left.
*/
void ImplDrawArrow(long nX, long nY, const Color& rColor, bool bPointRight);
/**
* Update the tooltip text.
*/
void UpdateCommentHelpText();
/**
* Get the proper color between two options, according to current status.
*
* The return color can be one of the given colors, or a merged one.
* It depends on highlight fadind status.
*
* \param rHighColor color used to highlight status
* \param rLowColor color used to normal status
* \return The proper color to used in moment
*/
Color GetFadedColor(const Color &rHighColor, const Color &rLowColor);
/// Fade timer callback.
DECL_LINK(FadeHandler, void *);
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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