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| -rw-r--r-- | vcl/inc/svimpbox.hxx | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/vcl/inc/svimpbox.hxx b/vcl/inc/svimpbox.hxx new file mode 100644 index 000000000..c5a51143f --- /dev/null +++ b/vcl/inc/svimpbox.hxx @@ -0,0 +1,398 @@ +/* -*- 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_SOURCE_INC_SVIMPBOX_HXX +#define INCLUDED_VCL_SOURCE_INC_SVIMPBOX_HXX + +#include <vcl/dllapi.h> +#include <vcl/seleng.hxx> +#include <vcl/scrbar.hxx> +#include <vcl/idle.hxx> +#include <vcl/image.hxx> +#include <vcl/svtaccessiblefactory.hxx> +#include <vcl/vclevent.hxx> +#include <vcl/treelistbox.hxx> +#include <o3tl/enumarray.hxx> +#include <memory> +#include <vector> + +class SvLBoxButton; +class SvTreeList; +class SvImpLBox; +class SvTreeListEntry; +namespace comphelper +{ + namespace string + { + class NaturalStringSorter; + } +} + +class ImpLBSelEng final : public FunctionSet +{ + SvImpLBox* pImp; + VclPtr<SvTreeListBox> pView; + +public: + ImpLBSelEng( SvImpLBox* pImp, SvTreeListBox* pView ); + virtual ~ImpLBSelEng() override; + void BeginDrag() override; + void CreateAnchor() override; + void DestroyAnchor() override; + void SetCursorAtPoint( const Point& rPoint, + bool bDontSelectAtCursor=false ) override; + bool IsSelectionAtPoint( const Point& rPoint ) override; + void DeselectAtPoint( const Point& rPoint ) override; + void DeselectAll() override; +}; + +// Flags for nFlag +enum class LBoxFlags { + NONE = 0x0000, + InScrolling = 0x0001, + DeselectAll = 0x0002, + StartEditTimer = 0x0004, // MAC only + IgnoreSelect = 0x0008, + InResize = 0x0010, + RemovedEntryInvisible = 0x0020, + RemovedRecalcMostRight = 0x0040, + IgnoreChangedTabs = 0x0080, + InPaint = 0x0100, + EndScrollSetVisSize = 0x0200, + Filling = 0x0400, +}; +namespace o3tl +{ + template<> struct typed_flags<LBoxFlags> : is_typed_flags<LBoxFlags, 0x07ff> {}; +} + +#define NODE_BMP_TABDIST_NOTVALID -2000000 +#define FIRST_ENTRY_TAB 1 + +class SvImpLBox +{ +friend class ImpLBSelEng; +friend class SvTreeListBox; +friend class SalInstanceTreeView; +friend class IconView; +private: + SvTreeList* m_pTree; + SvTreeListEntry* m_pAnchor; + SvTreeListEntry* m_pMostRightEntry; + SvLBoxButton* m_pActiveButton; + SvTreeListEntry* m_pActiveEntry; + SvLBoxTab* m_pActiveTab; + + VclPtr<ScrollBar> m_aHorSBar; + VclPtr<ScrollBarBox> m_aScrBarBox; + + ::vcl::AccessibleFactoryAccess + m_aFactoryAccess; + + static Image* s_pDefCollapsed; + static Image* s_pDefExpanded; + static oslInterlockedCount s_nImageRefCount; /// When 0 all static images will be destroyed + + // Node Bitmaps + enum class ImageType + { + NodeExpanded = 0, // node is expanded ( usually a bitmap showing a minus ) + NodeCollapsed, // node is collapsed ( usually a bitmap showing a plus ) + NodeDontKnow, // don't know the node state + EntryDefExpanded, // default for expanded entries + EntryDefCollapsed, // default for collapsed entries + LAST = EntryDefCollapsed + }; + + // all our images + o3tl::enumarray<ImageType, Image> + m_aNodeAndEntryImages; + + ImpLBSelEng m_aFctSet; + + long m_nNodeBmpWidth; + long m_nMostRight; + short m_nHorSBarHeight, m_nVerSBarWidth; + + bool m_bUpdateMode : 1; + bool m_bSubLstOpLR : 1; // open/close sublist with cursor left/right, defaulted with false + bool m_bContextMenuHandling : 1; + bool mbForceMakeVisible; + + Point m_aEditClickPos; + Idle m_aEditIdle; + + std::unique_ptr<comphelper::string::NaturalStringSorter> m_pStringSorter; + + std::vector< short > m_aContextBmpWidthVector; + + DECL_LINK(EditTimerCall, Timer *, void); + + void InvalidateEntriesFrom( long nY ) const; + bool IsLineVisible( long nY ) const; + void KeyLeftRight( long nDiff ); + + void DrawNet(vcl::RenderContext& rRenderContext); + + // ScrollBar-Handler + DECL_LINK( ScrollUpDownHdl, ScrollBar*, void ); + DECL_LINK( ScrollLeftRightHdl, ScrollBar*, void ); + DECL_LINK( EndScrollHdl, ScrollBar*, void ); + + void SetNodeBmpWidth( const Image& ); + void SetNodeBmpTabDistance(); + + // Selection-Engine + SvTreeListEntry* MakePointVisible( const Point& rPoint ); + + void SetAnchorSelection( SvTreeListEntry* pOld, + SvTreeListEntry* pNewCursor ); + void BeginDrag(); + bool ButtonDownCheckCtrl( const MouseEvent& rMEvt, SvTreeListEntry* pEntry ); + bool MouseMoveCheckCtrl( const MouseEvent& rMEvt, SvTreeListEntry const * pEntry ); + bool ButtonUpCheckCtrl( const MouseEvent& rMEvt ); + bool ButtonDownCheckExpand( const MouseEvent&, SvTreeListEntry* ); + + bool EntryReallyHit(SvTreeListEntry* pEntry, const Point& rPos, long nLine); + void InitScrollBarBox(); + SvLBoxTab* NextTab( SvLBoxTab const * ); + + bool SetMostRight( SvTreeListEntry* pEntry ); + void FindMostRight( SvTreeListEntry* pParent ); + void FindMostRight_Impl( SvTreeListEntry* pParent ); + void NotifyTabsChanged(); + + // if element at cursor can be expanded in general + bool IsExpandable() const; + + static void implInitDefaultNodeImages(); + + void UpdateStringSorter(); + + short UpdateContextBmpWidthVector( SvTreeListEntry const * pEntry, short nWidth ); + void UpdateContextBmpWidthMax( SvTreeListEntry const * pEntry ); + void UpdateContextBmpWidthVectorFromMovedEntry( SvTreeListEntry* pEntry ); + + void ExpandAll(); + void CollapseTo(SvTreeListEntry* pParentToCollapse); + +protected: + VclPtr<SvTreeListBox> m_pView; + VclPtr<ScrollBar> m_aVerSBar; + SvTreeListEntry* m_pCursor; + SvTreeListEntry* m_pStartEntry; + ImplSVEvent* m_nCurUserEvent; + Size m_aOutputSize; + LBoxFlags m_nFlags; + WinBits m_nStyle; + bool mbNoAutoCurEntry; // disable the behavior of automatically selecting a "CurEntry" upon painting the control + SelectionEngine m_aSelEng; + sal_uLong m_nVisibleCount; // Number of lines in control + bool m_bInVScrollHdl : 1; + bool m_bSimpleTravel : 1; // is true if SelectionMode::Single + long m_nNextVerVisSize; + long m_nNodeBmpTabDistance; // typical smaller than 0 + + virtual long GetEntryLine(const SvTreeListEntry* pEntry) const; + virtual void CursorDown(); + virtual void CursorUp(); + virtual void PageDown( sal_uInt16 nDelta ); + virtual void PageUp( sal_uInt16 nDelta ); + // set Thumb to FirstEntryToDraw + virtual void SyncVerThumb(); + virtual void AdjustScrollBars( Size& rSize ); + virtual void InvalidateEntry( long nY ) const; + + tools::Rectangle GetVisibleArea() const; + void SetCursor( SvTreeListEntry* pEntry, bool bForceNoSelect = false ); + void BeginScroll(); + void EndScroll(); + void PositionScrollBars( Size& rOSize, sal_uInt16 nMask ); + void FindMostRight(); + void FillView(); + void ShowVerSBar(); + void StopUserEvent(); + + DECL_LINK( MyUserEvent, void*, void); + +public: + SvImpLBox( SvTreeListBox* pView, SvTreeList*, WinBits nWinStyle ); + virtual ~SvImpLBox(); + + void Clear(); + void SetStyle( WinBits i_nWinStyle ); + void SetNoAutoCurEntry( bool b ); + void SetModel( SvTreeList* pModel ) { m_pTree = pModel;} + + void EntryInserted( SvTreeListEntry*); + void RemovingEntry( SvTreeListEntry* pEntry ); + void EntryRemoved(); + void MovingEntry( SvTreeListEntry* pEntry ); + void EntryMoved( SvTreeListEntry* pEntry ); + void TreeInserted( SvTreeListEntry* pEntry ); + + void EntryExpanded( SvTreeListEntry* pEntry ); + void EntryCollapsed( SvTreeListEntry* pEntry ); + void CollapsingEntry( SvTreeListEntry* pEntry ); + void EntrySelected( SvTreeListEntry* pEntry, bool bSelect ); + + virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect); + void MouseButtonDown( const MouseEvent& ); + void MouseButtonUp( const MouseEvent& ); + void MouseMove( const MouseEvent&); + virtual bool KeyInput( const KeyEvent& ); + void Resize(); + void GetFocus(); + void LoseFocus(); + virtual void UpdateAll( bool bInvalidateCompleteView ); + void SetEntryHeight(); + void InvalidateEntry( SvTreeListEntry* ); + void RecalcFocusRect(); + + void SelectEntry( SvTreeListEntry* pEntry, bool bSelect ); + void SetDragDropMode( DragDropMode eDDMode ); + void SetSelectionMode( SelectionMode eSelMode ); + + virtual bool IsEntryInView( SvTreeListEntry* pEntry ) const; + virtual SvTreeListEntry* GetEntry( const Point& rPos ) const; + // returns last entry, if Pos below last entry + virtual SvTreeListEntry* GetClickedEntry( const Point& ) const; + SvTreeListEntry* GetCurEntry() const { return m_pCursor; } + void SetCurEntry( SvTreeListEntry* ); + virtual Point GetEntryPosition(const SvTreeListEntry*) const; + void MakeVisible( SvTreeListEntry* pEntry, bool bMoveToTop = false ); + void ScrollToAbsPos( long nPos ); + + void PaintDDCursor(SvTreeListEntry* pEntry, bool bShow); + + // Images + inline Image& implGetImageLocation( const ImageType _eType ); + + inline void SetExpandedNodeBmp( const Image& _rImg ); + inline void SetCollapsedNodeBmp( const Image& _rImg ); + + inline const Image& GetExpandedNodeBmp( ); + inline const Image& GetCollapsedNodeBmp( ); + inline const Image& GetDontKnowNodeBmp( ); + + inline void SetDefaultEntryExpBmp( const Image& _rImg ); + inline void SetDefaultEntryColBmp( const Image& _rImg ); + inline const Image& GetDefaultEntryExpBmp( ); + inline const Image& GetDefaultEntryColBmp( ); + + static const Image& GetDefaultExpandedNodeImage( ); + static const Image& GetDefaultCollapsedNodeImage( ); + + const Size& GetOutputSize() const { return m_aOutputSize;} + virtual void KeyUp( bool bPageUp ); + virtual void KeyDown( bool bPageDown ); + void Command( const CommandEvent& rCEvt ); + + void Invalidate(); + void DestroyAnchor() { m_pAnchor=nullptr; m_aSelEng.Reset(); } + void SelAllDestrAnch( bool bSelect, bool bDestroyAnchor = true, bool bSingleSelToo = false ); + void ShowCursor( bool bShow ); + + bool RequestHelp( const HelpEvent& rHEvt ); + void EndSelection(); + bool IsNodeButton( const Point& rPosPixel, SvTreeListEntry* pEntry ) const; + void SetUpdateMode( bool bMode ); + bool GetUpdateMode() const { return m_bUpdateMode; } + tools::Rectangle GetClipRegionRect() const; + bool HasHorScrollBar() const { return m_aHorSBar->IsVisible(); } + void ShowFocusRect( const SvTreeListEntry* pEntry ); + void CallEventListeners( VclEventId nEvent, void* pData = nullptr ); + + bool IsSelectable( const SvTreeListEntry* pEntry ); + void SetForceMakeVisible(bool bEnable) { mbForceMakeVisible = bEnable; } +}; + +inline Image& SvImpLBox::implGetImageLocation( const ImageType _eType ) +{ + return m_aNodeAndEntryImages[_eType]; +} + +inline void SvImpLBox::SetExpandedNodeBmp( const Image& rImg ) +{ + implGetImageLocation( ImageType::NodeExpanded ) = rImg; + SetNodeBmpWidth( rImg ); +} + +inline void SvImpLBox::SetCollapsedNodeBmp( const Image& rImg ) +{ + implGetImageLocation( ImageType::NodeCollapsed ) = rImg; + SetNodeBmpWidth( rImg ); +} + +inline const Image& SvImpLBox::GetDontKnowNodeBmp( ) +{ + return implGetImageLocation( ImageType::NodeDontKnow ); +} + +inline const Image& SvImpLBox::GetExpandedNodeBmp( ) +{ + return implGetImageLocation( ImageType::NodeExpanded ); +} + +inline const Image& SvImpLBox::GetCollapsedNodeBmp( ) +{ + return implGetImageLocation( ImageType::NodeCollapsed ); +} + +inline void SvImpLBox::SetDefaultEntryExpBmp( const Image& _rImg ) +{ + implGetImageLocation( ImageType::EntryDefExpanded ) = _rImg; +} + +inline void SvImpLBox::SetDefaultEntryColBmp( const Image& _rImg ) +{ + implGetImageLocation( ImageType::EntryDefCollapsed ) = _rImg; +} + +inline const Image& SvImpLBox::GetDefaultEntryExpBmp( ) +{ + return implGetImageLocation( ImageType::EntryDefExpanded ); +} + +inline const Image& SvImpLBox::GetDefaultEntryColBmp( ) +{ + return implGetImageLocation( ImageType::EntryDefCollapsed ); +} + +inline Point SvImpLBox::GetEntryPosition(const SvTreeListEntry* pEntry) const +{ + return Point(0, GetEntryLine(pEntry)); +} + +inline bool SvImpLBox::IsLineVisible( long nY ) const +{ + bool bRet = true; + if ( nY < 0 || nY >= m_aOutputSize.Height() ) + bRet = false; + return bRet; +} + +inline void SvImpLBox::TreeInserted( SvTreeListEntry* pInsTree ) +{ + EntryInserted( pInsTree ); +} + +#endif // INCLUDED_VCL_SOURCE_INC_SVIMPBOX_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |