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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_SVTOOLS_SOURCE_INC_SVIMPBOX_HXX
#define INCLUDED_SVTOOLS_SOURCE_INC_SVIMPBOX_HXX
#include <vcl/seleng.hxx>
#include <vcl/scrbar.hxx>
#include <vcl/vclevent.hxx>
#include <unotools/intlwrapper.hxx>
#include <o3tl/enumarray.hxx>
#include <vector>
#include "svtaccessiblefactory.hxx"
class SvTreeListBox;
class Point;
class SvTreeList;
class SvImpLBox;
class SvTreeListEntry;
class SvLBoxTab;
namespace comphelper
{
namespace string
{
class NaturalStringSorter;
}
}
class ImpLBSelEng : 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;
bool 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 IconView;
private:
SvTreeList* pTree;
SvTreeListEntry* pAnchor;
SvTreeListEntry* pMostRightEntry;
SvLBoxButton* pActiveButton;
SvTreeListEntry* pActiveEntry;
SvLBoxTab* pActiveTab;
VclPtr<ScrollBar> aHorSBar;
VclPtr<ScrollBarBox> aScrBarBox;
::svt::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 aFctSet;
Idle aAsyncBeginDragIdle;
Point aAsyncBeginDragPos;
long nNodeBmpWidth;
long nMostRight;
short nHorSBarHeight, nVerSBarWidth;
sal_uInt16 nCurTabPos;
bool bUpdateMode : 1;
bool bAsyncBeginDrag : 1;
bool bSubLstOpRet : 1; // open/close sublist with return/enter, defaulted with false
bool bSubLstOpLR : 1; // open/close sublist with cursor left/right, defaulted with false
bool bContextMenuHandling : 1;
bool bIsCellFocusEnabled : 1;
bool bAreChildrenTransient;
Point aEditClickPos;
Idle aEditIdle;
comphelper::string::NaturalStringSorter *m_pStringSorter;
std::vector< short > aContextBmpWidthVector;
DECL_LINK(EditTimerCall, Timer *, void);
DECL_LINK( BeginDragHdl, 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 SetNodeBmpYOffset( 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, SvTreeListEntry* EntryToIgnore );
void FindMostRight_Impl( SvTreeListEntry* pParent,SvTreeListEntry* EntryToIgnore );
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 CalcCellFocusRect( SvTreeListEntry const * pEntry, tools::Rectangle& rRect );
bool AreChildrenTransient() const { return bAreChildrenTransient; }
void SetChildrenNotTransient() { bAreChildrenTransient = false; }
protected:
VclPtr<SvTreeListBox> pView;
VclPtr<ScrollBar> aVerSBar;
SvTreeListEntry* pCursor;
SvTreeListEntry* pStartEntry;
ImplSVEvent* nCurUserEvent;
Size aOutputSize;
LBoxFlags nFlags;
WinBits m_nStyle;
bool mbNoAutoCurEntry; // disable the behavior of automatically selecting a "CurEntry" upon painting the control
SelectionEngine aSelEng;
sal_uLong nVisibleCount; // Number of lines in control
bool bInVScrollHdl : 1;
bool bSimpleTravel : 1; // is true if SelectionMode::Single
long nNextVerVisSize;
long nNodeBmpTabDistance; // typical smaller than 0
virtual long GetEntryLine( 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( SvTreeListEntry const * EntryToIgnore );
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 ) { 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 );
SvTreeListEntry* GetCurrentEntry() const { return pCursor; }
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 pCursor; }
void SetCurEntry( SvTreeListEntry* );
virtual Point GetEntryPosition( SvTreeListEntry* ) const;
void MakeVisible( SvTreeListEntry* pEntry, bool bMoveToTop = false );
void ScrollToAbsPos( long nPos );
void PaintDDCursor( SvTreeListEntry* );
// 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 aOutputSize;}
virtual void KeyUp( bool bPageUp );
virtual void KeyDown( bool bPageDown );
void Command( const CommandEvent& rCEvt );
void Invalidate();
void DestroyAnchor() { pAnchor=nullptr; 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 EnableAsyncDrag( bool b ) { bAsyncBeginDrag = b; }
void SetUpdateMode( bool bMode );
bool GetUpdateMode() const { return bUpdateMode; }
tools::Rectangle GetClipRegionRect() const;
bool HasHorScrollBar() const { return aHorSBar->IsVisible(); }
void ShowFocusRect( const SvTreeListEntry* pEntry );
void CallEventListeners( VclEventId nEvent, void* pData = nullptr );
/** Enables, that one cell of a tablistbox entry can be focused */
bool IsCellFocusEnabled() const { return bIsCellFocusEnabled; }
void EnableCellFocus() { bIsCellFocusEnabled = true; }
bool SetCurrentTabPos( sal_uInt16 _nNewPos );
sal_uInt16 GetCurrentTabPos() const { return nCurTabPos; }
bool IsSelectable( const SvTreeListEntry* pEntry );
};
inline Image& SvImpLBox::implGetImageLocation( const ImageType _eType )
{
return m_aNodeAndEntryImages[_eType];
}
inline void SvImpLBox::SetExpandedNodeBmp( const Image& rImg )
{
implGetImageLocation( ImageType::NodeExpanded ) = rImg;
SetNodeBmpYOffset( rImg );
}
inline void SvImpLBox::SetCollapsedNodeBmp( const Image& rImg )
{
implGetImageLocation( ImageType::NodeCollapsed ) = rImg;
SetNodeBmpYOffset( 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( SvTreeListEntry* pEntry ) const
{
return Point( 0, GetEntryLine( pEntry ) );
}
inline bool SvImpLBox::IsLineVisible( long nY ) const
{
bool bRet = true;
if ( nY < 0 || nY >= aOutputSize.Height() )
bRet = false;
return bRet;
}
inline void SvImpLBox::TreeInserted( SvTreeListEntry* pInsTree )
{
EntryInserted( pInsTree );
}
#endif // INCLUDED_SVTOOLS_SOURCE_INC_SVIMPBOX_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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