319 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			319 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        wx/osx/dataview.h
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// Purpose:     wxDataViewCtrl native implementation header for OSX
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// Author:
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// Copyright:   (c) 2009
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DATAVIEWCTRL_OSX_H_
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#define _WX_DATAVIEWCTRL_OSX_H_
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#ifdef __WXMAC_CLASSIC__
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#  error "Native wxDataViewCtrl for classic environment not defined. Please use generic control."
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#endif
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// --------------------------------------------------------
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// Class declarations to mask native types
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// --------------------------------------------------------
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class wxDataViewColumnNativeData;   // class storing environment dependent data for the native implementation
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class wxDataViewWidgetImpl;         // class used as a common interface for carbon and cocoa implementation
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// ---------------------------------------------------------
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// wxDataViewColumn
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// ---------------------------------------------------------
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class WXDLLIMPEXP_ADV wxDataViewColumn: public wxDataViewColumnBase
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{
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public:
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    // constructors / destructor
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    wxDataViewColumn(const wxString& title,
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                     wxDataViewRenderer* renderer,
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                     unsigned int model_column,
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                     int width = wxDVC_DEFAULT_WIDTH,
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                     wxAlignment align = wxALIGN_CENTER,
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                     int flags = wxDATAVIEW_COL_RESIZABLE);
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    wxDataViewColumn(const wxBitmap& bitmap,
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                     wxDataViewRenderer* renderer,
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                     unsigned int model_column,
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                     int width = wxDVC_DEFAULT_WIDTH,
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                     wxAlignment align = wxALIGN_CENTER,
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                     int flags = wxDATAVIEW_COL_RESIZABLE);
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    virtual ~wxDataViewColumn();
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    // implement wxHeaderColumnBase pure virtual methods
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    virtual wxAlignment GetAlignment() const wxOVERRIDE { return m_alignment; }
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    virtual int GetFlags() const wxOVERRIDE { return m_flags; }
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    virtual int GetMaxWidth() const { return m_maxWidth; }
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    virtual int GetMinWidth() const wxOVERRIDE { return m_minWidth; }
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    virtual wxString GetTitle() const wxOVERRIDE { return m_title; }
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    virtual int GetWidth() const wxOVERRIDE;
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    virtual bool IsSortOrderAscending() const wxOVERRIDE { return m_ascending; }
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    virtual bool IsSortKey() const wxOVERRIDE;
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    virtual bool IsHidden() const wxOVERRIDE;
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    virtual void SetAlignment  (wxAlignment align) wxOVERRIDE;
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    virtual void SetBitmap     (wxBitmap const& bitmap) wxOVERRIDE;
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    virtual void SetFlags      (int flags) wxOVERRIDE { m_flags = flags; /*SetIndividualFlags(flags); */ }
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    virtual void SetHidden     (bool hidden) wxOVERRIDE;
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    virtual void SetMaxWidth   (int maxWidth);
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    virtual void SetMinWidth   (int minWidth) wxOVERRIDE;
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    virtual void SetReorderable(bool reorderable) wxOVERRIDE;
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    virtual void SetResizeable (bool resizable) wxOVERRIDE;
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    virtual void UnsetAsSortKey() wxOVERRIDE;
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    virtual void SetSortable   (bool sortable) wxOVERRIDE;
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    virtual void SetSortOrder  (bool ascending) wxOVERRIDE;
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    virtual void SetTitle      (wxString const& title) wxOVERRIDE;
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    virtual void SetWidth      (int  width) wxOVERRIDE;
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   // implementation only
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    wxDataViewColumnNativeData* GetNativeData() const
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    {
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      return m_NativeDataPtr;
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    }
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    void SetNativeData(wxDataViewColumnNativeData* newNativeDataPtr); // class takes ownership of pointer
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    int GetWidthVariable() const
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    {
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        return m_width;
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    }
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    void SetWidthVariable(int NewWidth)
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    {
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        m_width = NewWidth;
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    }
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    void SetSortOrderVariable(bool NewOrder)
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    {
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        m_ascending = NewOrder;
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    }
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private:
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    // common part of all ctors
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    void InitCommon(int width, wxAlignment align, int flags)
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    {
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        m_ascending = true;
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        m_flags = flags & ~wxDATAVIEW_COL_HIDDEN; // TODO
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        m_maxWidth = 30000;
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        m_minWidth = 0;
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        m_alignment = align;
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        SetWidth(width);
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    }
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    bool m_ascending; // sorting order
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    int m_flags;    // flags for the column
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    int m_maxWidth; // maximum width for the column
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    int m_minWidth; // minimum width for the column
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    int m_width;    // column width
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    wxAlignment m_alignment; // column header alignment
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    wxDataViewColumnNativeData* m_NativeDataPtr; // storing environment dependent data for the native implementation
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    wxString m_title; // column title
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};
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//
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// type definitions related to wxDataViewColumn
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//
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WX_DEFINE_ARRAY(wxDataViewColumn*,wxDataViewColumnPtrArrayType);
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// ---------------------------------------------------------
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// wxDataViewCtrl
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// ---------------------------------------------------------
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class WXDLLIMPEXP_ADV wxDataViewCtrl: public wxDataViewCtrlBase
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{
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public:
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 // Constructors / destructor:
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  wxDataViewCtrl()
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  {
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    Init();
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  }
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  wxDataViewCtrl(wxWindow *parent,
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                 wxWindowID winid,
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                 const wxPoint& pos = wxDefaultPosition,
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                 const wxSize& size = wxDefaultSize,
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                 long style = 0,
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                 const wxValidator& validator = wxDefaultValidator,
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                 const wxString& name = wxDataViewCtrlNameStr )
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  {
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    Init();
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    Create(parent, winid, pos, size, style, validator, name);
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  }
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  ~wxDataViewCtrl();
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  bool Create(wxWindow *parent,
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              wxWindowID winid,
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              const wxPoint& pos = wxDefaultPosition,
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              const wxSize& size = wxDefaultSize,
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              long style = 0,
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              const wxValidator& validator = wxDefaultValidator,
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              const wxString& name = wxDataViewCtrlNameStr);
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  virtual wxWindow* GetMainWindow() // not used for the native implementation
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  {
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    return this;
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  }
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 // inherited methods from wxDataViewCtrlBase:
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  virtual bool AssociateModel(wxDataViewModel* model) wxOVERRIDE;
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  virtual bool              AppendColumn     (wxDataViewColumn* columnPtr) wxOVERRIDE;
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  virtual bool              ClearColumns     () wxOVERRIDE;
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  virtual bool              DeleteColumn     (wxDataViewColumn* columnPtr) wxOVERRIDE;
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  virtual wxDataViewColumn* GetColumn        (unsigned int pos) const wxOVERRIDE;
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  virtual unsigned int      GetColumnCount   () const wxOVERRIDE;
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  virtual int               GetColumnPosition(const wxDataViewColumn* columnPtr) const wxOVERRIDE;
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  virtual wxDataViewColumn* GetSortingColumn () const wxOVERRIDE;
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  virtual bool              InsertColumn     (unsigned int pos, wxDataViewColumn *col) wxOVERRIDE;
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  virtual bool              PrependColumn    (wxDataViewColumn* columnPtr) wxOVERRIDE;
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  virtual void Collapse( const wxDataViewItem& item) wxOVERRIDE;
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  virtual void EnsureVisible(const wxDataViewItem& item, const wxDataViewColumn* columnPtr=NULL) wxOVERRIDE;
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  virtual bool IsExpanded(const wxDataViewItem & item) const wxOVERRIDE;
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  virtual unsigned int GetCount() const;
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  virtual int GetCountPerPage() const wxOVERRIDE;
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  virtual wxRect GetItemRect(const wxDataViewItem& item,
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                             const wxDataViewColumn* columnPtr = NULL) const wxOVERRIDE;
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  virtual int GetSelectedItemsCount() const wxOVERRIDE;
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  virtual int GetSelections(wxDataViewItemArray& sel) const wxOVERRIDE;
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  virtual wxDataViewItem GetTopItem() const wxOVERRIDE;
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  virtual void HitTest(const wxPoint& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const wxOVERRIDE;
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  virtual bool SetRowHeight(int rowHeight) wxOVERRIDE;
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  virtual bool IsSelected(const wxDataViewItem& item) const wxOVERRIDE;
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  virtual void SelectAll() wxOVERRIDE;
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  virtual void Select(const wxDataViewItem& item) wxOVERRIDE;
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  virtual void SetSelections(const wxDataViewItemArray& sel) wxOVERRIDE;
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  virtual void Unselect(const wxDataViewItem& item) wxOVERRIDE;
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  virtual void UnselectAll() wxOVERRIDE;
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//
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// implementation
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//
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 // returns a pointer to the native implementation
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  wxDataViewWidgetImpl* GetDataViewPeer() const;
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 // adds all children of the passed parent to the control; if 'parentItem' is invalid the root(s) is/are added:
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  void AddChildren(wxDataViewItem const& parentItem);
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 // finishes editing of custom items; if no custom item is currently edited the method does nothing
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  void FinishCustomItemEditing();
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  virtual void EditItem(const wxDataViewItem& item, const wxDataViewColumn *column) wxOVERRIDE;
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 // returns the n-th pointer to a column;
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 // this method is different from GetColumn(unsigned int pos) because here 'n' is not a position in the control but the n-th
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 // position in the internal list/array of column pointers
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  wxDataViewColumn* GetColumnPtr(size_t n) const
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  {
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    return m_ColumnPtrs[n];
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  }
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 // returns the current being rendered item of the customized renderer (this item is only valid during editing)
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  wxDataViewItem const& GetCustomRendererItem() const
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  {
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    return m_CustomRendererItem;
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  }
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 // returns a pointer to a customized renderer (this pointer is only valid during editing)
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  wxDataViewCustomRenderer* GetCustomRendererPtr() const
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  {
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    return m_CustomRendererPtr;
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  }
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 // checks if currently a delete process is running
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  bool IsDeleting() const
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  {
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    return m_Deleting;
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  }
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 // with CG, we need to get the context from an kEventControlDraw event
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 // unfortunately, the DataBrowser callbacks don't provide the context
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 // and we need it, so we need to set/remove it before and after draw
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 // events so we can access it in the callbacks.
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  void MacSetDrawingContext(void* context)
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  {
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    m_cgContext = context;
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  }
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  void* MacGetDrawingContext() const
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  {
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    return m_cgContext;
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  }
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 // sets the currently being edited item of the custom renderer
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  void SetCustomRendererItem(wxDataViewItem const& NewItem)
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  {
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    m_CustomRendererItem = NewItem;
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  }
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 // sets the custom renderer
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  void SetCustomRendererPtr(wxDataViewCustomRenderer* NewCustomRendererPtr)
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  {
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    m_CustomRendererPtr = NewCustomRendererPtr;
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  }
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 // sets the flag indicating a deletion process:
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  void SetDeleting(bool deleting)
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  {
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    m_Deleting = deleting;
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  }
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  virtual wxDataViewColumn *GetCurrentColumn() const wxOVERRIDE;
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  virtual wxVisualAttributes GetDefaultAttributes() const wxOVERRIDE
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  {
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      return GetClassDefaultAttributes(GetWindowVariant());
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  }
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  static wxVisualAttributes
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  GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
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protected:
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 // inherited methods from wxDataViewCtrlBase
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  virtual void DoSetExpanderColumn() wxOVERRIDE;
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  virtual void DoSetIndent() wxOVERRIDE;
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  virtual void DoExpand(const wxDataViewItem& item) wxOVERRIDE;
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  virtual wxSize DoGetBestSize() const wxOVERRIDE;
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 // event handling
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  void OnSize(wxSizeEvent &event);
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  void OnMouse(wxMouseEvent &event);
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private:
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 // initializing of local variables:
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  void Init();
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  virtual wxDataViewItem DoGetCurrentItem() const wxOVERRIDE;
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  virtual void DoSetCurrentItem(const wxDataViewItem& item) wxOVERRIDE;
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 //
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 // variables
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 //
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  bool m_Deleting; // flag indicating if a delete process is running; this flag is necessary because the notifier indicating an item deletion in the model may be called
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                   // after the actual deletion of the item; then, native callback functions/delegates may try to update data of variables that are already deleted;
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                   // if this flag is set all native variable update requests will be ignored
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  void* m_cgContext; // pointer to core graphics context
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  wxDataViewCustomRenderer* m_CustomRendererPtr; // pointer to a valid custom renderer while editing; this class does NOT own the pointer
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  wxDataViewItem m_CustomRendererItem; // currently edited item by the customrenderer; it is invalid while not editing a custom item
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  wxDataViewColumnPtrArrayType m_ColumnPtrs; // all column pointers are stored in an array
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  wxDataViewModelNotifier* m_ModelNotifier; // stores the model notifier for the control (does not own the notifier)
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 // wxWidget internal stuff:
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  wxDECLARE_DYNAMIC_CLASS(wxDataViewCtrl);
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  wxDECLARE_NO_COPY_CLASS(wxDataViewCtrl);
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  wxDECLARE_EVENT_TABLE();
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};
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#endif // _WX_DATAVIEWCTRL_OSX_H_
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