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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/dataview.h
3 // Purpose: wxDataViewCtrl base classes
4 // Author: Robert Roebling
5 // Modified by:
6 // Created: 08.01.06
7 // RCS-ID: $Id$
8 // Copyright: (c) Robert Roebling
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_DATAVIEW_H_BASE_
13 #define _WX_DATAVIEW_H_BASE_
14
15 #include "wx/defs.h"
16
17 #if wxUSE_DATAVIEWCTRL
18
19 #include "wx/control.h"
20 #include "wx/textctrl.h"
21 #include "wx/bitmap.h"
22 #include "wx/variant.h"
23
24
25 #if defined(__WXGTK20__)
26 // for testing
27 // #define wxUSE_GENERICDATAVIEWCTRL 1
28 #elif defined(__WXMAC__)
29 #define wxUSE_GENERICDATAVIEWCTRL 1
30 #else
31 #define wxUSE_GENERICDATAVIEWCTRL 1
32 #endif
33
34 // ----------------------------------------------------------------------------
35 // wxDataViewCtrl flags
36 // ----------------------------------------------------------------------------
37
38 // ----------------------------------------------------------------------------
39 // wxDataViewCtrl globals
40 // ----------------------------------------------------------------------------
41
42 class WXDLLIMPEXP_ADV wxDataViewModel;
43 class WXDLLIMPEXP_ADV wxDataViewListModel;
44 class WXDLLIMPEXP_ADV wxDataViewCtrl;
45 class WXDLLIMPEXP_ADV wxDataViewColumn;
46 class WXDLLIMPEXP_ADV wxDataViewRenderer;
47
48 extern WXDLLIMPEXP_DATA_ADV(const wxChar) wxDataViewCtrlNameStr[];
49
50 // the default width of new (text) columns:
51 #define wxDVC_DEFAULT_WIDTH 80
52
53 // the default width of new toggle columns:
54 #define wxDVC_TOGGLE_DEFAULT_WIDTH 30
55
56 // the default minimal width of the columns:
57 #define wxDVC_DEFAULT_MINWIDTH 30
58
59 // the default alignment of wxDataViewRenderers:
60 #define wxDVR_DEFAULT_ALIGNMENT (wxALIGN_LEFT|wxALIGN_TOP)
61
62
63 // ---------------------------------------------------------
64 // wxDataViewModel
65 // ---------------------------------------------------------
66
67 class WXDLLIMPEXP_ADV wxDataViewModel: public wxObjectRefData
68 {
69 public:
70 wxDataViewModel() { }
71
72 protected:
73 // the user should not delete this class directly: he should use DecRef() instead!
74 virtual ~wxDataViewModel() { }
75 };
76
77 // ---------------------------------------------------------
78 // wxDataViewListModelNotifier
79 // ---------------------------------------------------------
80
81 class WXDLLIMPEXP_ADV wxDataViewListModelNotifier: public wxObject
82 {
83 public:
84 wxDataViewListModelNotifier() { }
85 virtual ~wxDataViewListModelNotifier() { }
86
87 virtual bool RowAppended() = 0;
88 virtual bool RowPrepended() = 0;
89 virtual bool RowInserted( unsigned int before ) = 0;
90 virtual bool RowDeleted( unsigned int row ) = 0;
91 virtual bool RowChanged( unsigned int row ) = 0;
92 virtual bool ValueChanged( unsigned int col, unsigned int row ) = 0;
93 virtual bool RowsReordered( unsigned int *new_order ) = 0;
94 virtual bool Cleared() = 0;
95 virtual bool Freed()
96 { m_owner = NULL; return true; }
97
98 void SetOwner( wxDataViewListModel *owner ) { m_owner = owner; }
99 wxDataViewListModel *GetOwner() { return m_owner; }
100
101 private:
102 wxDataViewListModel *m_owner;
103 };
104
105 // ---------------------------------------------------------
106 // wxDataViewListModel
107 // ---------------------------------------------------------
108
109 class WXDLLIMPEXP_ADV wxDataViewViewingColumn: public wxObject
110 {
111 public:
112 wxDataViewViewingColumn( wxDataViewColumn *view_column, unsigned int model_column )
113 {
114 m_viewColumn = view_column;
115 m_modelColumn = model_column;
116 }
117
118 wxDataViewColumn *m_viewColumn;
119 unsigned int m_modelColumn;
120 };
121
122 class WXDLLIMPEXP_ADV wxDataViewListModel: public wxDataViewModel
123 {
124 friend class WXDLLIMPEXP_ADV wxDataViewCtrl;
125 friend class WXDLLIMPEXP_ADV wxDataViewCtrlBase;
126 friend class WXDLLIMPEXP_ADV wxDataViewSortedListModel;
127 friend class WXDLLIMPEXP_ADV wxDataViewColumnBase;
128 friend class WXDLLIMPEXP_ADV wxGtkDataViewListModelNotifier;
129
130 public:
131 wxDataViewListModel();
132
133 virtual unsigned int GetRowCount() const = 0;
134 virtual unsigned int GetColumnCount() const = 0;
135
136 // return type as reported by wxVariant
137 virtual wxString GetColumnType( unsigned int col ) const = 0;
138
139 // get value into a wxVariant
140 virtual void GetValue( wxVariant &variant, unsigned int col, unsigned int row ) const = 0;
141
142 // set value, call ValueChanged() afterwards!
143 virtual bool SetValue( wxVariant &variant, unsigned int col, unsigned int row ) = 0;
144
145 // delegated notifiers
146 virtual bool RowAppended();
147 virtual bool RowPrepended();
148 virtual bool RowInserted( unsigned int before );
149 virtual bool RowDeleted( unsigned int row );
150 virtual bool RowChanged( unsigned int row );
151 virtual bool ValueChanged( unsigned int col, unsigned int row );
152 virtual bool RowsReordered( unsigned int *new_order );
153 virtual bool Cleared();
154
155 protected:
156 // the user should not delete this class directly: he should use DecRef() instead!
157 virtual ~wxDataViewListModel();
158
159 // Used internally
160 void AddViewingColumn( wxDataViewColumn *view_column, unsigned int model_column );
161 void RemoveViewingColumn( wxDataViewColumn *column );
162
163 void AddNotifier( wxDataViewListModelNotifier *notifier );
164 void RemoveNotifier( wxDataViewListModelNotifier *notifier );
165
166 wxList m_notifiers;
167 wxList m_viewingColumns;
168 };
169
170
171
172 // ---------------------------------------------------------
173 // wxDataViewSortedListModel
174 // ---------------------------------------------------------
175
176 typedef int (wxCALLBACK *wxDataViewListModelCompare)
177 (unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model );
178
179 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int,
180 wxDataViewSortedIndexArray, WXDLLIMPEXP_ADV);
181
182 class WXDLLIMPEXP_ADV wxDataViewSortedListModel: public wxDataViewListModel
183 {
184 friend class wxDataViewSortedListModelNotifier;
185
186 public:
187 wxDataViewSortedListModel( wxDataViewListModel *child );
188 virtual ~wxDataViewSortedListModel();
189
190 void SetAscending( bool ascending ) { m_ascending = ascending; }
191 bool IsAscending() const { return m_ascending; }
192
193 virtual unsigned int GetRowCount() const;
194 virtual unsigned int GetColumnCount() const;
195
196 // return type as reported by wxVariant
197 virtual wxString GetColumnType( unsigned int col ) const;
198
199 // get value into a wxVariant
200 virtual void GetValue( wxVariant &variant, unsigned int col, unsigned int row ) const;
201
202 // set value, call ValueChanged() afterwards!
203 virtual bool SetValue( wxVariant &variant, unsigned int col, unsigned int row );
204
205 // called from user
206 virtual bool RowAppended();
207 virtual bool RowPrepended();
208 virtual bool RowInserted( unsigned int before );
209 virtual bool RowDeleted( unsigned int row );
210 virtual bool RowChanged( unsigned int row );
211 virtual bool ValueChanged( unsigned int col, unsigned int row );
212 virtual bool RowsReordered( unsigned int *new_order );
213 virtual bool Cleared();
214
215 // called if child's notifiers are called
216 bool ChildRowAppended();
217 bool ChildRowPrepended();
218 bool ChildRowInserted( unsigned int before );
219 bool ChildRowDeleted( unsigned int row );
220 bool ChildRowChanged( unsigned int row );
221 bool ChildValueChanged( unsigned int col, unsigned int row );
222 bool ChildRowsReordered( unsigned int *new_order );
223 bool ChildCleared();
224
225 virtual void Resort();
226
227 private:
228 bool m_ascending;
229 wxDataViewListModel *m_child;
230 wxDataViewSortedIndexArray m_array;
231 wxDataViewListModelNotifier *m_notifierOnChild;
232
233 void InitStatics(); // BAD
234 };
235
236 // ---------------------------------------------------------
237 // wxDataViewRendererBase
238 // ---------------------------------------------------------
239
240 enum wxDataViewCellMode
241 {
242 wxDATAVIEW_CELL_INERT,
243 wxDATAVIEW_CELL_ACTIVATABLE,
244 wxDATAVIEW_CELL_EDITABLE
245 };
246
247 enum wxDataViewCellRenderState
248 {
249 wxDATAVIEW_CELL_SELECTED = 1,
250 wxDATAVIEW_CELL_PRELIT = 2,
251 wxDATAVIEW_CELL_INSENSITIVE = 4,
252 wxDATAVIEW_CELL_FOCUSED = 8
253 };
254
255 class WXDLLIMPEXP_ADV wxDataViewRendererBase: public wxObject
256 {
257 public:
258 wxDataViewRendererBase( const wxString &varianttype,
259 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
260 int alignment = wxDVR_DEFAULT_ALIGNMENT );
261
262 virtual bool Validate( wxVariant& WXUNUSED(value) )
263 { return true; }
264
265 void SetOwner( wxDataViewColumn *owner ) { m_owner = owner; }
266 wxDataViewColumn* GetOwner() { return m_owner; }
267
268 // renderer properties:
269
270 virtual bool SetValue( const wxVariant& WXUNUSED(value) ) = 0;
271 virtual bool GetValue( wxVariant& WXUNUSED(value) ) const = 0;
272
273 wxString GetVariantType() const { return m_variantType; }
274
275 virtual void SetMode( wxDataViewCellMode mode ) = 0;
276 virtual wxDataViewCellMode GetMode() const = 0;
277
278 // NOTE: Set/GetAlignment do not take/return a wxAlignment enum but
279 // rather an "int"; that's because for rendering cells it's allowed
280 // to combine alignment flags (e.g. wxALIGN_LEFT|wxALIGN_BOTTOM)
281 virtual void SetAlignment( int align ) = 0;
282 virtual int GetAlignment() const = 0;
283
284 protected:
285 wxString m_variantType;
286 wxDataViewColumn *m_owner;
287
288 // internal utility:
289 const wxDataViewCtrl* GetView() const;
290
291 protected:
292 DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRendererBase)
293 };
294
295 // ---------------------------------------------------------
296 // wxDataViewColumnBase
297 // ---------------------------------------------------------
298
299 enum wxDataViewColumnFlags
300 {
301 wxDATAVIEW_COL_RESIZABLE = 1,
302 wxDATAVIEW_COL_SORTABLE = 2,
303 wxDATAVIEW_COL_HIDDEN = 4
304 };
305
306 class WXDLLIMPEXP_ADV wxDataViewColumnBase: public wxObject
307 {
308 public:
309 wxDataViewColumnBase( const wxString &title, wxDataViewRenderer *renderer,
310 unsigned int model_column, int width = wxDVC_DEFAULT_WIDTH,
311 wxAlignment align = wxALIGN_CENTER,
312 int flags = wxDATAVIEW_COL_RESIZABLE );
313 wxDataViewColumnBase( const wxBitmap &bitmap, wxDataViewRenderer *renderer,
314 unsigned int model_column, int width = wxDVC_DEFAULT_WIDTH,
315 wxAlignment align = wxALIGN_CENTER,
316 int flags = wxDATAVIEW_COL_RESIZABLE );
317 virtual ~wxDataViewColumnBase();
318
319 // setters:
320
321 virtual void SetTitle( const wxString &title ) = 0;
322 virtual void SetAlignment( wxAlignment align ) = 0;
323 virtual void SetSortable( bool sortable ) = 0;
324 virtual void SetResizeable( bool resizeable ) = 0;
325 virtual void SetHidden( bool hidden ) = 0;
326 virtual void SetSortOrder( bool ascending ) = 0;
327 virtual void SetFlags( int flags );
328 virtual void SetOwner( wxDataViewCtrl *owner )
329 { m_owner = owner; }
330 virtual void SetBitmap( const wxBitmap &bitmap )
331 { m_bitmap=bitmap; }
332
333 virtual void SetMinWidth( int minWidth ) = 0;
334 virtual void SetWidth( int width ) = 0;
335
336
337 // getters:
338
339 virtual wxString GetTitle() const = 0;
340 virtual wxAlignment GetAlignment() const = 0;
341 virtual int GetWidth() const = 0;
342 virtual int GetMinWidth() const = 0;
343
344 virtual int GetFlags() const;
345
346 virtual bool IsSortable() const = 0;
347 virtual bool IsResizeable() const = 0;
348 virtual bool IsHidden() const = 0;
349 virtual bool IsSortOrderAscending() const = 0;
350
351 const wxBitmap &GetBitmap() const { return m_bitmap; }
352 unsigned int GetModelColumn() const { return m_model_column; }
353
354 wxDataViewCtrl *GetOwner() { return m_owner; }
355 wxDataViewRenderer* GetRenderer() { return m_renderer; }
356
357 protected:
358 wxDataViewRenderer *m_renderer;
359 int m_model_column;
360 wxBitmap m_bitmap;
361 wxDataViewCtrl *m_owner;
362
363 protected:
364 DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewColumnBase)
365 };
366
367 // ---------------------------------------------------------
368 // wxDataViewCtrlBase
369 // ---------------------------------------------------------
370
371 #define wxDV_SINGLE 0x0000 // for convenience
372 #define wxDV_MULTIPLE 0x0001 // can select multiple items
373
374 #define wxDV_NO_HEADER 0x0002 // column titles not visible
375 #define wxDV_HORIZ_RULES 0x0004 // light horizontal rules between rows
376 #define wxDV_VERT_RULES 0x0008 // light vertical rules between columns
377
378 class WXDLLIMPEXP_ADV wxDataViewCtrlBase: public wxControl
379 {
380 public:
381 wxDataViewCtrlBase();
382 virtual ~wxDataViewCtrlBase();
383
384 virtual bool AssociateModel( wxDataViewListModel *model );
385 wxDataViewListModel* GetModel();
386
387 // short cuts
388 bool AppendTextColumn( const wxString &label, unsigned int model_column,
389 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = -1,
390 wxAlignment align = wxALIGN_CENTER,
391 int flags = wxDATAVIEW_COL_RESIZABLE );
392 bool AppendToggleColumn( const wxString &label, unsigned int model_column,
393 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = wxDVC_TOGGLE_DEFAULT_WIDTH,
394 wxAlignment align = wxALIGN_CENTER,
395 int flags = wxDATAVIEW_COL_RESIZABLE );
396 bool AppendProgressColumn( const wxString &label, unsigned int model_column,
397 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = wxDVC_DEFAULT_WIDTH,
398 wxAlignment align = wxALIGN_CENTER,
399 int flags = wxDATAVIEW_COL_RESIZABLE );
400 bool AppendDateColumn( const wxString &label, unsigned int model_column,
401 wxDataViewCellMode mode = wxDATAVIEW_CELL_ACTIVATABLE, int width = -1,
402 wxAlignment align = wxALIGN_CENTER,
403 int flags = wxDATAVIEW_COL_RESIZABLE );
404 bool AppendBitmapColumn( const wxString &label, unsigned int model_column,
405 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = -1,
406 wxAlignment align = wxALIGN_CENTER,
407 int flags = wxDATAVIEW_COL_RESIZABLE );
408 bool AppendTextColumn( const wxBitmap &label, unsigned int model_column,
409 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = -1,
410 wxAlignment align = wxALIGN_CENTER,
411 int flags = wxDATAVIEW_COL_RESIZABLE );
412 bool AppendToggleColumn( const wxBitmap &label, unsigned int model_column,
413 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = wxDVC_TOGGLE_DEFAULT_WIDTH,
414 wxAlignment align = wxALIGN_CENTER,
415 int flags = wxDATAVIEW_COL_RESIZABLE );
416 bool AppendProgressColumn( const wxBitmap &label, unsigned int model_column,
417 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = wxDVC_DEFAULT_WIDTH,
418 wxAlignment align = wxALIGN_CENTER,
419 int flags = wxDATAVIEW_COL_RESIZABLE );
420 bool AppendDateColumn( const wxBitmap &label, unsigned int model_column,
421 wxDataViewCellMode mode = wxDATAVIEW_CELL_ACTIVATABLE, int width = -1,
422 wxAlignment align = wxALIGN_CENTER,
423 int flags = wxDATAVIEW_COL_RESIZABLE );
424 bool AppendBitmapColumn( const wxBitmap &label, unsigned int model_column,
425 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = -1,
426 wxAlignment align = wxALIGN_CENTER,
427 int flags = wxDATAVIEW_COL_RESIZABLE );
428
429 virtual bool AppendColumn( wxDataViewColumn *col );
430
431 virtual unsigned int GetColumnCount() const;
432
433 virtual bool DeleteColumn( unsigned int pos );
434 virtual bool ClearColumns();
435 virtual wxDataViewColumn* GetColumn( unsigned int pos );
436
437 virtual void SetSelection( int row ) = 0; // -1 for unselect
438 inline void ClearSelection() { SetSelection( -1 ); }
439 virtual void Unselect( unsigned int row ) = 0;
440 virtual void SetSelectionRange( unsigned int from, unsigned int to ) = 0;
441 virtual void SetSelections( const wxArrayInt& aSelections) = 0;
442
443 virtual bool IsSelected( unsigned int row ) const = 0;
444 virtual int GetSelection() const = 0;
445 virtual int GetSelections(wxArrayInt& aSelections) const = 0;
446
447 private:
448 wxDataViewListModel *m_model;
449 wxList m_cols;
450
451 protected:
452 DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewCtrlBase)
453 };
454
455
456 // ----------------------------------------------------------------------------
457 // wxDataViewEvent - the event class for the wxDataViewCtrl notifications
458 // ----------------------------------------------------------------------------
459
460 class WXDLLIMPEXP_ADV wxDataViewEvent : public wxNotifyEvent
461 {
462 public:
463 wxDataViewEvent(wxEventType commandType = wxEVT_NULL, int winid = 0)
464 : wxNotifyEvent(commandType, winid),
465 m_col(-1),
466 m_row(-1),
467 m_model(NULL),
468 m_value(wxNullVariant),
469 m_editCancelled(false),
470 m_column(NULL)
471 { }
472
473 wxDataViewEvent(const wxDataViewEvent& event)
474 : wxNotifyEvent(event),
475 m_col(event.m_col),
476 m_row(event.m_col),
477 m_model(event.m_model),
478 m_value(event.m_value),
479 m_editCancelled(event.m_editCancelled),
480 m_column(event.m_column)
481 { }
482
483 int GetColumn() const { return m_col; }
484 void SetColumn( int col ) { m_col = col; }
485
486 int GetRow() const { return m_row; }
487 void SetRow( int row ) { m_row = row; }
488
489 wxDataViewModel* GetModel() const { return m_model; }
490 void SetModel( wxDataViewModel *model ) { m_model = model; }
491
492 const wxVariant &GetValue() const { return m_value; }
493 void SetValue( const wxVariant &value ) { m_value = value; }
494
495 // for wxEVT_DATAVIEW_COLUMN_HEADER_CLICKED only
496 void SetDataViewColumn( wxDataViewColumn *col ) { m_column = col; }
497 wxDataViewColumn *GetDataViewColumn() const { return m_column; }
498
499 // was label editing canceled? (for wxEVT_COMMAND_DATVIEW_END_LABEL_EDIT only)
500 bool IsEditCancelled() const { return m_editCancelled; }
501 void SetEditCanceled(bool editCancelled) { m_editCancelled = editCancelled; }
502
503 virtual wxEvent *Clone() const { return new wxDataViewEvent(*this); }
504
505 protected:
506 int m_col;
507 int m_row;
508 wxDataViewModel *m_model;
509 wxVariant m_value;
510 bool m_editCancelled;
511 wxDataViewColumn *m_column;
512
513 private:
514 DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxDataViewEvent)
515 };
516
517 BEGIN_DECLARE_EVENT_TYPES()
518 DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_ADV, wxEVT_COMMAND_DATAVIEW_ROW_SELECTED, -1)
519 DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_ADV, wxEVT_COMMAND_DATAVIEW_ROW_ACTIVATED, -1)
520 DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_ADV, wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, -1)
521 DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_ADV, wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, -1)
522 END_DECLARE_EVENT_TYPES()
523
524 typedef void (wxEvtHandler::*wxDataViewEventFunction)(wxDataViewEvent&);
525
526 #define wxDataViewEventHandler(func) \
527 (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxDataViewEventFunction, &func)
528
529 #define wx__DECLARE_DATAVIEWEVT(evt, id, fn) \
530 wx__DECLARE_EVT1(wxEVT_COMMAND_DATAVIEW_ ## evt, id, wxDataViewEventHandler(fn))
531
532 #define EVT_DATAVIEW_ROW_SELECTED(id, fn) wx__DECLARE_DATAVIEWEVT(ROW_SELECTED, id, fn)
533 #define EVT_DATAVIEW_ROW_ACTIVATED(id, fn) wx__DECLARE_DATAVIEWEVT(ROW_ACTIVATED, id, fn)
534 #define EVT_DATAVIEW_COLUMN_HEADER_CLICK(id, fn) wx__DECLARE_DATAVIEWEVT(COLUMN_HEADER_CLICK, id, fn)
535 #define EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(id, fn) wx__DECLARE_DATAVIEWEVT(COLUMN_HEADER_RIGHT_CLICK, id, fn)
536
537
538 #if defined(wxUSE_GENERICDATAVIEWCTRL)
539 #include "wx/generic/dataview.h"
540 #elif defined(__WXGTK20__)
541 #include "wx/gtk/dataview.h"
542 #elif defined(__WXMAC__)
543 // TODO
544 // #include "wx/mac/dataview.h"
545 #else
546 #include "wx/generic/dataview.h"
547 #endif
548
549 #endif // wxUSE_DATAVIEWCTRL
550
551 #endif
552 // _WX_DATAVIEW_H_BASE_