/* -*- 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_UIBASE_INC_SWRULER_HXX
#define INCLUDED_SW_SOURCE_UIBASE_INC_SWRULER_HXX
#include <svx/ruler.hxx>
#include <vcl/timer.hxx>
#include <vcl/virdev.hxx>
#include <SidebarWindowsTypes.hxx>
class SwViewShell;
namespace vcl { class Window; }
class SwEditWin;
/**
* An horizontal ruler with a control for comment panel visibility for Writer .
*
* The comment control only appears when the document has comments already .
*/
class SwCommentRuler final : public SvxRuler
{
public :
SwCommentRuler (
SwViewShell* pViewSh,
vcl::Window* pParent,
SwEditWin* pWin,
SvxRulerSupportFlags nRulerFlags,
SfxBindings& rBindings,
WinBits nWinStyle);
virtual ~SwCommentRuler () override;
virtual void dispose() override;
/**
* Paint the ruler .
* \ param rRect ignored
*/
virtual void Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;
private :
SwViewShell * mpViewShell; //< Shell to check if there is any comments on doc and their visibility
VclPtr<SwEditWin> mpSwWin; //< Used to get SwView to change the SideBar visibility
/// User is currently dragging the thing
bool mbIsDrag;
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.
ScopedVclPtr<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 ) override;
virtual void MouseButtonUp( const MouseEvent& rMEvt ) 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) 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 ) override;
/**
* Update the view .
*
* Update the ruler appearance according to the document view and
* current cursor position .
*/
virtual void Update() override;
sw::sidebarwindows::SidebarPosition GetSidebarPosition();
tools::Rectangle GetDragArea();
/**
* 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 .
*/
tools::Rectangle GetCommentControlRegion();
/**
* Paint the comment control on VirtualDevice .
*/
void DrawCommentControl(vcl::RenderContext& rRenderContext);
/**
* 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 fading 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, Timer *, void );
};
#endif
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