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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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_SPLIT_HXX
#define INCLUDED_VCL_SPLIT_HXX
#include <vcl/dllapi.h>
#include <vcl/keycod.hxx>
#include <vcl/window.hxx>
#define SPLITTER_DEFAULTSTEPSIZE 0xFFFF
class VCL_DLLPUBLIC Splitter : public vcl::Window
{
private:
VclPtr<vcl::Window> mpRefWin;
tools::Long mnSplitPos;
tools::Long mnLastSplitPos;
tools::Long mnStartSplitPos;
Point maDragPos;
tools::Rectangle maDragRect;
bool mbHorzSplit;
bool mbDragFull;
bool mbKbdSplitting;
bool mbInKeyEvent;
tools::Long mnKeyboardStepSize;
Link<Splitter*,void> maStartSplitHdl;
Link<Splitter*,void> maSplitHdl;
Link<Splitter*,void> maEndSplitHdl;
SAL_DLLPRIVATE void ImplDrawSplitter();
SAL_DLLPRIVATE void ImplSplitMousePos( Point& rPos );
SAL_DLLPRIVATE void ImplStartKbdSplitting();
SAL_DLLPRIVATE void ImplKbdTracking( vcl::KeyCode aKeyCode );
SAL_DLLPRIVATE bool ImplSplitterActive();
SAL_DLLPRIVATE Splitter* ImplFindSibling();
SAL_DLLPRIVATE void ImplRestoreSplitter();
SAL_DLLPRIVATE void ImplInitHorVer(bool bNew);
Splitter (const Splitter &) = delete;
Splitter& operator= (const Splitter &) = delete;
protected:
using Window::ImplInit;
SAL_DLLPRIVATE void ImplInit( vcl::Window* pParent, WinBits nWinStyle );
public:
explicit Splitter( vcl::Window* pParent, WinBits nStyle = WB_VSCROLL );
virtual ~Splitter() override;
virtual void dispose() override;
void StartSplit();
void EndSplit();
void Split();
virtual void MouseButtonDown( const MouseEvent& rMEvt ) override;
virtual void Tracking( const TrackingEvent& rTEvt ) override;
virtual void GetFocus() override;
virtual void LoseFocus() override;
virtual void KeyInput( const KeyEvent& rKEvt ) override;
virtual void Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rPaintRect ) override;
virtual Size GetOptimalSize() const override;
virtual void DataChanged( const DataChangedEvent& rDCEvt ) override;
void StartDrag();
void SetDragRectPixel( const tools::Rectangle& rDragRect,
vcl::Window* pRefWin = nullptr );
void SetSplitPosPixel( tools::Long nPos );
tools::Long GetSplitPosPixel() const { return mnSplitPos; }
bool IsHorizontal() const { return mbHorzSplit; }
void SetHorizontal(bool bNew);
// set the stepsize of the splitter for cursor movement
// the default is 10% of the reference window's width/height
void SetKeyboardStepSize( tools::Long nStepSize );
void SetStartSplitHdl( const Link<Splitter*,void>& rLink ) { maStartSplitHdl = rLink; }
void SetSplitHdl( const Link<Splitter*,void>& rLink ) { maSplitHdl = rLink; }
void SetEndSplitHdl( const Link<Splitter*,void>& rLink ) { maEndSplitHdl = rLink; }
};
#endif // INCLUDED_VCL_SPLIT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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