1 /////////////////////////////////////////////////////////////////////////////
2 // Name:        wx/osx/dataview.h
3 // Purpose:     wxDataViewCtrl native implementation header for OSX
4 // Author:
5 // Copyright:   (c) 2009
6 // Licence:     wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8 
9 #ifndef _WX_DATAVIEWCTRL_OSX_H_
10 #define _WX_DATAVIEWCTRL_OSX_H_
11 
12 #ifdef __WXMAC_CLASSIC__
13 #  error "Native wxDataViewCtrl for classic environment not defined. Please use generic control."
14 #endif
15 
16 // --------------------------------------------------------
17 // Class declarations to mask native types
18 // --------------------------------------------------------
19 class wxDataViewColumnNativeData;   // class storing environment dependent data for the native implementation
20 class wxDataViewWidgetImpl;         // class used as a common interface for carbon and cocoa implementation
21 
22 // ---------------------------------------------------------
23 // wxDataViewColumn
24 // ---------------------------------------------------------
25 
26 class WXDLLIMPEXP_ADV wxDataViewColumn: public wxDataViewColumnBase
27 {
28 public:
29     // constructors / destructor
30     wxDataViewColumn(const wxString& title,
31                      wxDataViewRenderer* renderer,
32                      unsigned int model_column,
33                      int width = wxDVC_DEFAULT_WIDTH,
34                      wxAlignment align = wxALIGN_CENTER,
35                      int flags = wxDATAVIEW_COL_RESIZABLE);
36     wxDataViewColumn(const wxBitmap& bitmap,
37                      wxDataViewRenderer* renderer,
38                      unsigned int model_column,
39                      int width = wxDVC_DEFAULT_WIDTH,
40                      wxAlignment align = wxALIGN_CENTER,
41                      int flags = wxDATAVIEW_COL_RESIZABLE);
42     virtual ~wxDataViewColumn();
43 
44     // implement wxHeaderColumnBase pure virtual methods
GetAlignment()45     virtual wxAlignment GetAlignment() const wxOVERRIDE { return m_alignment; }
GetFlags()46     virtual int GetFlags() const wxOVERRIDE { return m_flags; }
GetMaxWidth()47     virtual int GetMaxWidth() const { return m_maxWidth; }
GetMinWidth()48     virtual int GetMinWidth() const wxOVERRIDE { return m_minWidth; }
GetTitle()49     virtual wxString GetTitle() const wxOVERRIDE { return m_title; }
50     virtual int GetWidth() const wxOVERRIDE;
IsSortOrderAscending()51     virtual bool IsSortOrderAscending() const wxOVERRIDE { return m_ascending; }
52     virtual bool IsSortKey() const wxOVERRIDE;
53     virtual bool IsHidden() const wxOVERRIDE;
54 
55     virtual void SetAlignment  (wxAlignment align) wxOVERRIDE;
56     virtual void SetBitmap     (wxBitmap const& bitmap) wxOVERRIDE;
SetFlags(int flags)57     virtual void SetFlags      (int flags) wxOVERRIDE { m_flags = flags; /*SetIndividualFlags(flags); */ }
58     virtual void SetHidden     (bool hidden) wxOVERRIDE;
59     virtual void SetMaxWidth   (int maxWidth);
60     virtual void SetMinWidth   (int minWidth) wxOVERRIDE;
61     virtual void SetReorderable(bool reorderable) wxOVERRIDE;
62     virtual void SetResizeable (bool resizable) wxOVERRIDE;
63     virtual void UnsetAsSortKey() wxOVERRIDE;
64     virtual void SetSortable   (bool sortable) wxOVERRIDE;
65     virtual void SetSortOrder  (bool ascending) wxOVERRIDE;
66     virtual void SetTitle      (wxString const& title) wxOVERRIDE;
67     virtual void SetWidth      (int  width) wxOVERRIDE;
68 
69    // implementation only
GetNativeData()70     wxDataViewColumnNativeData* GetNativeData() const
71     {
72       return m_NativeDataPtr;
73     }
74 
75     void SetNativeData(wxDataViewColumnNativeData* newNativeDataPtr); // class takes ownership of pointer
GetWidthVariable()76     int GetWidthVariable() const
77     {
78         return m_width;
79     }
SetWidthVariable(int NewWidth)80     void SetWidthVariable(int NewWidth)
81     {
82         m_width = NewWidth;
83     }
SetSortOrderVariable(bool NewOrder)84     void SetSortOrderVariable(bool NewOrder)
85     {
86         m_ascending = NewOrder;
87     }
88 
89 private:
90     // common part of all ctors
InitCommon(int width,wxAlignment align,int flags)91     void InitCommon(int width, wxAlignment align, int flags)
92     {
93         m_ascending = true;
94         m_flags = flags & ~wxDATAVIEW_COL_HIDDEN; // TODO
95         m_maxWidth = 30000;
96         m_minWidth = 0;
97         m_alignment = align;
98         SetWidth(width);
99     }
100 
101     bool m_ascending; // sorting order
102 
103     int m_flags;    // flags for the column
104     int m_maxWidth; // maximum width for the column
105     int m_minWidth; // minimum width for the column
106     int m_width;    // column width
107 
108     wxAlignment m_alignment; // column header alignment
109 
110     wxDataViewColumnNativeData* m_NativeDataPtr; // storing environment dependent data for the native implementation
111 
112     wxString m_title; // column title
113 };
114 
115 //
116 // type definitions related to wxDataViewColumn
117 //
118 WX_DEFINE_ARRAY(wxDataViewColumn*,wxDataViewColumnPtrArrayType);
119 
120 // ---------------------------------------------------------
121 // wxDataViewCtrl
122 // ---------------------------------------------------------
123 class WXDLLIMPEXP_ADV wxDataViewCtrl: public wxDataViewCtrlBase
124 {
125 public:
126  // Constructors / destructor:
wxDataViewCtrl()127   wxDataViewCtrl()
128   {
129     Init();
130   }
131   wxDataViewCtrl(wxWindow *parent,
132                  wxWindowID winid,
133                  const wxPoint& pos = wxDefaultPosition,
134                  const wxSize& size = wxDefaultSize,
135                  long style = 0,
136                  const wxValidator& validator = wxDefaultValidator,
137                  const wxString& name = wxASCII_STR(wxDataViewCtrlNameStr) )
138   {
139     Init();
140     Create(parent, winid, pos, size, style, validator, name);
141   }
142 
143   ~wxDataViewCtrl();
144 
145   bool Create(wxWindow *parent,
146               wxWindowID winid,
147               const wxPoint& pos = wxDefaultPosition,
148               const wxSize& size = wxDefaultSize,
149               long style = 0,
150               const wxValidator& validator = wxDefaultValidator,
151               const wxString& name = wxASCII_STR(wxDataViewCtrlNameStr));
152 
GetMainWindow()153   virtual wxWindow* GetMainWindow() // not used for the native implementation
154   {
155     return this;
156   }
157 
158  // inherited methods from wxDataViewCtrlBase:
159   virtual bool AssociateModel(wxDataViewModel* model) wxOVERRIDE;
160 
161   virtual bool              AppendColumn     (wxDataViewColumn* columnPtr) wxOVERRIDE;
162   virtual bool              ClearColumns     () wxOVERRIDE;
163   virtual bool              DeleteColumn     (wxDataViewColumn* columnPtr) wxOVERRIDE;
164   virtual wxDataViewColumn* GetColumn        (unsigned int pos) const wxOVERRIDE;
165   virtual unsigned int      GetColumnCount   () const wxOVERRIDE;
166   virtual int               GetColumnPosition(const wxDataViewColumn* columnPtr) const wxOVERRIDE;
167   virtual wxDataViewColumn* GetSortingColumn () const wxOVERRIDE;
168   virtual bool              InsertColumn     (unsigned int pos, wxDataViewColumn *col) wxOVERRIDE;
169   virtual bool              PrependColumn    (wxDataViewColumn* columnPtr) wxOVERRIDE;
170 
171   virtual void Collapse( const wxDataViewItem& item) wxOVERRIDE;
172   virtual void EnsureVisible(const wxDataViewItem& item, const wxDataViewColumn* columnPtr=NULL) wxOVERRIDE;
173   virtual bool IsExpanded(const wxDataViewItem & item) const wxOVERRIDE;
174 
175   virtual unsigned int GetCount() const;
176   virtual int GetCountPerPage() const wxOVERRIDE;
177   virtual wxRect GetItemRect(const wxDataViewItem& item,
178                              const wxDataViewColumn* columnPtr = NULL) const wxOVERRIDE;
179   virtual int GetSelectedItemsCount() const wxOVERRIDE;
180   virtual int GetSelections(wxDataViewItemArray& sel) const wxOVERRIDE;
181 
182   virtual wxDataViewItem GetTopItem() const wxOVERRIDE;
183 
184   virtual void HitTest(const wxPoint& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const wxOVERRIDE;
185 
186   virtual bool SetRowHeight(int rowHeight) wxOVERRIDE;
187 
188   virtual bool IsSelected(const wxDataViewItem& item) const wxOVERRIDE;
189 
190   virtual void SelectAll() wxOVERRIDE;
191   virtual void Select(const wxDataViewItem& item) wxOVERRIDE;
192   virtual void SetSelections(const wxDataViewItemArray& sel) wxOVERRIDE;
193 
194   virtual void Unselect(const wxDataViewItem& item) wxOVERRIDE;
195   virtual void UnselectAll() wxOVERRIDE;
196 
197 //
198 // implementation
199 //
200  // returns a pointer to the native implementation
201   wxDataViewWidgetImpl* GetDataViewPeer() const;
202 
203  // adds all children of the passed parent to the control; if 'parentItem' is invalid the root(s) is/are added:
204   void AddChildren(wxDataViewItem const& parentItem);
205 
206  // finishes editing of custom items; if no custom item is currently edited the method does nothing
207   void FinishCustomItemEditing();
208 
209   virtual void EditItem(const wxDataViewItem& item, const wxDataViewColumn *column) wxOVERRIDE;
210 
211  // returns the n-th pointer to a column;
212  // this method is different from GetColumn(unsigned int pos) because here 'n' is not a position in the control but the n-th
213  // position in the internal list/array of column pointers
GetColumnPtr(size_t n)214   wxDataViewColumn* GetColumnPtr(size_t n) const
215   {
216     return m_ColumnPtrs[n];
217   }
218  // returns the current being rendered item of the customized renderer (this item is only valid during editing)
GetCustomRendererItem()219   wxDataViewItem const& GetCustomRendererItem() const
220   {
221     return m_CustomRendererItem;
222   }
223  // returns a pointer to a customized renderer (this pointer is only valid during editing)
GetCustomRendererPtr()224   wxDataViewCustomRenderer* GetCustomRendererPtr() const
225   {
226     return m_CustomRendererPtr;
227   }
228 
229  // checks if currently a delete process is running
IsDeleting()230   bool IsDeleting() const
231   {
232     return m_Deleting;
233   }
234 
235  // with CG, we need to get the context from an kEventControlDraw event
236  // unfortunately, the DataBrowser callbacks don't provide the context
237  // and we need it, so we need to set/remove it before and after draw
238  // events so we can access it in the callbacks.
MacSetDrawingContext(void * context)239   void MacSetDrawingContext(void* context)
240   {
241     m_cgContext = context;
242   }
MacGetDrawingContext()243   void* MacGetDrawingContext() const
244   {
245     return m_cgContext;
246   }
247 
248  // sets the currently being edited item of the custom renderer
SetCustomRendererItem(wxDataViewItem const & NewItem)249   void SetCustomRendererItem(wxDataViewItem const& NewItem)
250   {
251     m_CustomRendererItem = NewItem;
252   }
253  // sets the custom renderer
SetCustomRendererPtr(wxDataViewCustomRenderer * NewCustomRendererPtr)254   void SetCustomRendererPtr(wxDataViewCustomRenderer* NewCustomRendererPtr)
255   {
256     m_CustomRendererPtr = NewCustomRendererPtr;
257   }
258  // sets the flag indicating a deletion process:
SetDeleting(bool deleting)259   void SetDeleting(bool deleting)
260   {
261     m_Deleting = deleting;
262   }
263 
264   void AdjustAutosizedColumns() const;
265 
266   virtual wxDataViewColumn *GetCurrentColumn() const wxOVERRIDE;
267 
GetDefaultAttributes()268   virtual wxVisualAttributes GetDefaultAttributes() const wxOVERRIDE
269   {
270       return GetClassDefaultAttributes(GetWindowVariant());
271   }
272 
273   static wxVisualAttributes
274   GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
275 
276 protected:
277  // inherited methods from wxDataViewCtrlBase
278   virtual void DoSetExpanderColumn() wxOVERRIDE;
279   virtual void DoSetIndent() wxOVERRIDE;
280 
281   virtual void DoExpand(const wxDataViewItem& item, bool expandChildren) wxOVERRIDE;
282 
283   virtual wxSize DoGetBestSize() const wxOVERRIDE;
284 
285  // event handling
286   void OnSize(wxSizeEvent &event);
287   void OnMouse(wxMouseEvent &event);
288 
289 private:
290  // initializing of local variables:
291   void Init();
292 
293   virtual wxDataViewItem DoGetCurrentItem() const wxOVERRIDE;
294   virtual void DoSetCurrentItem(const wxDataViewItem& item) wxOVERRIDE;
295 
296  //
297  // variables
298  //
299   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
300                    // after the actual deletion of the item; then, native callback functions/delegates may try to update data of variables that are already deleted;
301                    // if this flag is set all native variable update requests will be ignored
302 
303   void* m_cgContext; // pointer to core graphics context
304 
305   wxDataViewCustomRenderer* m_CustomRendererPtr; // pointer to a valid custom renderer while editing; this class does NOT own the pointer
306 
307   wxDataViewItem m_CustomRendererItem; // currently edited item by the customrenderer; it is invalid while not editing a custom item
308 
309   wxDataViewColumnPtrArrayType m_ColumnPtrs; // all column pointers are stored in an array
310 
311   class wxOSXDataViewModelNotifier* m_ModelNotifier; // stores the model notifier for the control (does not own the notifier)
312 
313  // wxWidget internal stuff:
314   wxDECLARE_DYNAMIC_CLASS(wxDataViewCtrl);
315   wxDECLARE_NO_COPY_CLASS(wxDataViewCtrl);
316   wxDECLARE_EVENT_TABLE();
317 };
318 
319 #endif // _WX_DATAVIEWCTRL_OSX_H_
320 
321