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Diffstat (limited to '')
| -rw-r--r-- | include/vcl/split.hxx | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/include/vcl/split.hxx b/include/vcl/split.hxx new file mode 100644 index 000000000..fcc2fb182 --- /dev/null +++ b/include/vcl/split.hxx @@ -0,0 +1,105 @@ +/* -*- 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; + long mnSplitPos; + long mnLastSplitPos; + long mnStartSplitPos; + Point maDragPos; + tools::Rectangle maDragRect; + bool mbHorzSplit; + bool mbDragFull; + bool mbKbdSplitting; + bool mbInKeyEvent; + 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( long nPos ); + 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( 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: */ |