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[wxWidgets.git] / src / generic / datavgen.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/datavgen.cpp
3 // Purpose: wxDataViewCtrl generic implementation
4 // Author: Robert Roebling
5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_DATAVIEWCTRL
19
20 #include "wx/dataview.h"
21
22 #ifdef wxUSE_GENERICDATAVIEWCTRL
23
24 #ifndef WX_PRECOMP
25 #ifdef __WXMSW__
26 #include "wx/msw/private.h"
27 #include "wx/msw/wrapwin.h"
28 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
29 #endif
30 #include "wx/sizer.h"
31 #include "wx/log.h"
32 #include "wx/dcclient.h"
33 #include "wx/timer.h"
34 #include "wx/settings.h"
35 #include "wx/msgdlg.h"
36 #include "wx/dcscreen.h"
37 #include "wx/frame.h"
38 #endif
39
40 #include "wx/stockitem.h"
41 #include "wx/calctrl.h"
42 #include "wx/popupwin.h"
43 #include "wx/renderer.h"
44 #include "wx/dcbuffer.h"
45 #include "wx/icon.h"
46 #include "wx/list.h"
47 #include "wx/listimpl.cpp"
48 #include "wx/imaglist.h"
49 #include "wx/headerctrl.h"
50 #include "wx/dnd.h"
51
52 //-----------------------------------------------------------------------------
53 // classes
54 //-----------------------------------------------------------------------------
55
56 class wxDataViewCtrl;
57
58 static const int SCROLL_UNIT_X = 15;
59
60 // the cell padding on the left/right
61 static const int PADDING_RIGHTLEFT = 3;
62
63 // the expander space margin
64 static const int EXPANDER_MARGIN = 4;
65
66 #ifdef __WXMSW__
67 static const int EXPANDER_OFFSET = 4;
68 #else
69 static const int EXPANDER_OFFSET = 1;
70 #endif
71
72 // Below is the compare stuff.
73 // For the generic implementation, both the leaf nodes and the nodes are sorted for
74 // fast search when needed
75 static wxDataViewModel* g_model;
76 static int g_column = -2;
77 static bool g_asending = true;
78
79 //-----------------------------------------------------------------------------
80 // wxDataViewHeaderWindow
81 //-----------------------------------------------------------------------------
82
83 class wxDataViewHeaderWindow : public wxHeaderCtrl
84 {
85 public:
86 wxDataViewHeaderWindow(wxDataViewCtrl *parent)
87 : wxHeaderCtrl(parent)
88 {
89 }
90
91 wxDataViewCtrl *GetOwner() const
92 { return static_cast<wxDataViewCtrl *>(GetParent()); }
93
94 protected:
95 // implement/override wxHeaderCtrl functions by forwarding them to the main
96 // control
97 virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
98 {
99 return *(GetOwner()->GetColumn(idx));
100 }
101
102 // FIXME: currently unused
103 virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
104 {
105 wxDataViewCtrl * const owner = GetOwner();
106
107 int widthContents = owner->GetBestColumnWidth(idx);
108 owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
109 owner->OnColumnChange(idx);
110
111 return true;
112 }
113
114 private:
115 bool SendEvent(wxEventType type, unsigned int n)
116 {
117 wxDataViewCtrl * const owner = GetOwner();
118 wxDataViewEvent event(type, owner->GetId());
119
120 event.SetEventObject(owner);
121 event.SetColumn(n);
122 event.SetDataViewColumn(owner->GetColumn(n));
123 event.SetModel(owner->GetModel());
124
125 // for events created by wxDataViewHeaderWindow the
126 // row / value fields are not valid
127 return owner->GetEventHandler()->ProcessEvent(event);
128 }
129
130 void OnClick(wxHeaderCtrlEvent& event)
131 {
132 const unsigned idx = event.GetColumn();
133
134 if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
135 return;
136
137 // default handling for the column click is to sort by this column or
138 // toggle its sort order
139 wxDataViewCtrl * const owner = GetOwner();
140 wxDataViewColumn * const col = owner->GetColumn(idx);
141 if ( !col->IsSortable() )
142 {
143 // no default handling for non-sortable columns
144 event.Skip();
145 return;
146 }
147
148 if ( col->IsSortKey() )
149 {
150 // already using this column for sorting, just change the order
151 col->ToggleSortOrder();
152 }
153 else // not using this column for sorting yet
154 {
155 // first unset the old sort column if any
156 int oldSortKey = owner->GetSortingColumnIndex();
157 if ( oldSortKey != wxNOT_FOUND )
158 {
159 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
160 owner->OnColumnChange(oldSortKey);
161 }
162
163 owner->SetSortingColumnIndex(idx);
164 col->SetAsSortKey();
165 }
166
167 wxDataViewModel * const model = owner->GetModel();
168 if ( model )
169 model->Resort();
170
171 owner->OnColumnChange(idx);
172 }
173
174 void OnRClick(wxHeaderCtrlEvent& event)
175 {
176 if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
177 event.GetColumn()) )
178 event.Skip();
179 }
180
181 void OnResize(wxHeaderCtrlEvent& event)
182 {
183 wxDataViewCtrl * const owner = GetOwner();
184
185 const unsigned col = event.GetColumn();
186 owner->GetColumn(col)->SetWidth(event.GetWidth());
187 GetOwner()->OnColumnChange(col);
188 }
189
190 void OnEndReorder(wxHeaderCtrlEvent& event)
191 {
192 wxDataViewCtrl * const owner = GetOwner();
193 owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
194 event.GetNewOrder());
195 }
196
197 DECLARE_EVENT_TABLE()
198 wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
199 };
200
201 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
202 EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
203 EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
204
205 EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
206 EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
207
208 EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
209 END_EVENT_TABLE()
210
211 //-----------------------------------------------------------------------------
212 // wxDataViewRenameTimer
213 //-----------------------------------------------------------------------------
214
215 class wxDataViewRenameTimer: public wxTimer
216 {
217 private:
218 wxDataViewMainWindow *m_owner;
219
220 public:
221 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
222 void Notify();
223 };
224
225 //-----------------------------------------------------------------------------
226 // wxDataViewTreeNode
227 //-----------------------------------------------------------------------------
228
229 class wxDataViewTreeNode;
230 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
231 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
232
233 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
234 wxDataViewTreeNode ** node2);
235 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
236
237 class wxDataViewTreeNode
238 {
239 public:
240 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
241 {
242 m_parent = parent;
243 if (!parent)
244 m_open = true;
245 else
246 m_open = false;
247 m_hasChildren = false;
248 m_subTreeCount = 0;
249 }
250
251 ~wxDataViewTreeNode()
252 {
253 }
254
255 wxDataViewTreeNode * GetParent() const { return m_parent; }
256 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
257 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
258 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
259
260 void AddNode( wxDataViewTreeNode * node )
261 {
262 m_leaves.Add( node->GetItem().GetID() );
263 if (g_column >= -1)
264 m_leaves.Sort( &wxGenericTreeModelItemCmp );
265 m_nodes.Add( node );
266 if (g_column >= -1)
267 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
268 }
269 void AddLeaf( void * leaf )
270 {
271 m_leaves.Add( leaf );
272 if (g_column >= -1)
273 m_leaves.Sort( &wxGenericTreeModelItemCmp );
274 }
275
276 wxDataViewItem & GetItem() { return m_item; }
277 const wxDataViewItem & GetItem() const { return m_item; }
278 void SetItem( const wxDataViewItem & item ) { m_item = item; }
279
280 unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
281 unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
282 int GetIndentLevel() const
283 {
284 int ret = 0;
285 const wxDataViewTreeNode * node = this;
286 while( node->GetParent()->GetParent() != NULL )
287 {
288 node = node->GetParent();
289 ret ++;
290 }
291 return ret;
292 }
293
294 bool IsOpen() const
295 {
296 return m_open;
297 }
298
299 void ToggleOpen()
300 {
301 int len = m_nodes.GetCount();
302 int sum = 0;
303 for ( int i = 0;i < len; i ++)
304 sum += m_nodes[i]->GetSubTreeCount();
305
306 sum += m_leaves.GetCount();
307 if (m_open)
308 {
309 ChangeSubTreeCount(-sum);
310 m_open = !m_open;
311 }
312 else
313 {
314 m_open = !m_open;
315 ChangeSubTreeCount(sum);
316 }
317 }
318 bool HasChildren() const { return m_hasChildren; }
319 void SetHasChildren( bool has ){ m_hasChildren = has; }
320
321 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
322 int GetSubTreeCount() const { return m_subTreeCount; }
323 void ChangeSubTreeCount( int num )
324 {
325 if( !m_open )
326 return;
327 m_subTreeCount += num;
328 if( m_parent )
329 m_parent->ChangeSubTreeCount(num);
330 }
331
332 void Resort()
333 {
334 if (g_column >= -1)
335 {
336 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
337 int len = m_nodes.GetCount();
338 for (int i = 0; i < len; i ++)
339 m_nodes[i]->Resort();
340 m_leaves.Sort( &wxGenericTreeModelItemCmp );
341 }
342 }
343
344 private:
345 wxDataViewTreeNode *m_parent;
346 wxDataViewTreeNodes m_nodes;
347 wxDataViewTreeLeaves m_leaves;
348 wxDataViewItem m_item;
349 bool m_open;
350 bool m_hasChildren;
351 int m_subTreeCount;
352 };
353
354 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
355 wxDataViewTreeNode ** node2)
356 {
357 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
358 }
359
360 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
361 {
362 return g_model->Compare( *id1, *id2, g_column, g_asending );
363 }
364
365
366 //-----------------------------------------------------------------------------
367 // wxDataViewMainWindow
368 //-----------------------------------------------------------------------------
369
370 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
371 WXDLLIMPEXP_ADV);
372 WX_DECLARE_LIST(wxDataViewItem, ItemList);
373 WX_DEFINE_LIST(ItemList)
374
375 class wxDataViewMainWindow: public wxWindow
376 {
377 public:
378 wxDataViewMainWindow( wxDataViewCtrl *parent,
379 wxWindowID id,
380 const wxPoint &pos = wxDefaultPosition,
381 const wxSize &size = wxDefaultSize,
382 const wxString &name = wxT("wxdataviewctrlmainwindow") );
383 virtual ~wxDataViewMainWindow();
384
385 bool IsVirtualList() const { return m_root == NULL; }
386
387 // notifications from wxDataViewModel
388 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
389 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
390 bool ItemChanged( const wxDataViewItem &item );
391 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
392 bool Cleared();
393 void Resort()
394 {
395 if (!IsVirtualList())
396 {
397 SortPrepare();
398 m_root->Resort();
399 }
400 UpdateDisplay();
401 }
402
403 void SortPrepare()
404 {
405 g_model = GetOwner()->GetModel();
406 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
407 if( !col )
408 {
409 if (g_model->HasDefaultCompare())
410 g_column = -1;
411 else
412 g_column = -2;
413
414 g_asending = true;
415 return;
416 }
417 g_column = col->GetModelColumn();
418 g_asending = col->IsSortOrderAscending();
419 }
420
421 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
422 wxDataViewCtrl *GetOwner() { return m_owner; }
423 const wxDataViewCtrl *GetOwner() const { return m_owner; }
424
425 #if wxUSE_DRAG_AND_DROP
426 wxBitmap CreateItemBitmap( unsigned int row, int &indent );
427 #endif // wxUSE_DRAG_AND_DROP
428 void OnPaint( wxPaintEvent &event );
429 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
430 void OnChar( wxKeyEvent &event );
431 void OnMouse( wxMouseEvent &event );
432 void OnSetFocus( wxFocusEvent &event );
433 void OnKillFocus( wxFocusEvent &event );
434
435 void UpdateDisplay();
436 void RecalculateDisplay();
437 void OnInternalIdle();
438
439 void OnRenameTimer();
440
441 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
442 void ScrollTo( int rows, int column );
443
444 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
445 void ChangeCurrentRow( unsigned int row );
446
447 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
448 bool IsEmpty() { return GetRowCount() == 0; }
449
450 int GetCountPerPage() const;
451 int GetEndOfLastCol() const;
452 unsigned int GetFirstVisibleRow() const;
453
454 // I change this method to un const because in the tree view,
455 // the displaying number of the tree are changing along with the
456 // expanding/collapsing of the tree nodes
457 unsigned int GetLastVisibleRow();
458 unsigned int GetRowCount();
459
460 wxDataViewItem GetSelection() const;
461 wxDataViewSelection GetSelections(){ return m_selection; }
462 void SetSelections( const wxDataViewSelection & sel )
463 { m_selection = sel; UpdateDisplay(); }
464 void Select( const wxArrayInt& aSelections );
465 void SelectAllRows( bool on );
466 void SelectRow( unsigned int row, bool on );
467 void SelectRows( unsigned int from, unsigned int to, bool on );
468 void ReverseRowSelection( unsigned int row );
469 bool IsRowSelected( unsigned int row );
470 void SendSelectionChangedEvent( const wxDataViewItem& item);
471
472 void RefreshRow( unsigned int row );
473 void RefreshRows( unsigned int from, unsigned int to );
474 void RefreshRowsAfter( unsigned int firstRow );
475
476 // returns the colour to be used for drawing the rules
477 wxColour GetRuleColour() const
478 {
479 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
480 }
481
482 wxRect GetLineRect( unsigned int row ) const;
483
484 int GetLineStart( unsigned int row ) const; // row * m_lineHeight in fixed mode
485 int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
486 int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode
487
488 // Some useful functions for row and item mapping
489 wxDataViewItem GetItemByRow( unsigned int row ) const;
490 int GetRowByItem( const wxDataViewItem & item ) const;
491
492 // Methods for building the mapping tree
493 void BuildTree( wxDataViewModel * model );
494 void DestroyTree();
495 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
496 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
497
498 void Expand( unsigned int row );
499 void Collapse( unsigned int row );
500 bool IsExpanded( unsigned int row ) const;
501 bool HasChildren( unsigned int row ) const;
502
503 #if wxUSE_DRAG_AND_DROP
504 bool EnableDragSource( const wxDataFormat &format );
505 bool EnableDropTarget( const wxDataFormat &format );
506
507 void RemoveDropHint();
508 wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
509 bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
510 wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
511 void OnLeave();
512 #endif // wxUSE_DRAG_AND_DROP
513
514 private:
515 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
516 // We did not need this temporarily
517 // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
518
519 int RecalculateCount();
520
521 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
522
523 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
524
525 private:
526 wxDataViewCtrl *m_owner;
527 int m_lineHeight;
528 bool m_dirty;
529
530 wxDataViewColumn *m_currentCol;
531 unsigned int m_currentRow;
532 wxDataViewSelection m_selection;
533
534 wxDataViewRenameTimer *m_renameTimer;
535 bool m_lastOnSame;
536
537 bool m_hasFocus;
538
539 #if wxUSE_DRAG_AND_DROP
540 int m_dragCount;
541 wxPoint m_dragStart;
542
543 bool m_dragEnabled;
544 wxDataFormat m_dragFormat;
545
546 bool m_dropEnabled;
547 wxDataFormat m_dropFormat;
548 bool m_dropHint;
549 unsigned int m_dropHintLine;
550 #endif // wxUSE_DRAG_AND_DROP
551
552 // for double click logic
553 unsigned int m_lineLastClicked,
554 m_lineBeforeLastClicked,
555 m_lineSelectSingleOnUp;
556
557 // the pen used to draw horiz/vertical rules
558 wxPen m_penRule;
559
560 // the pen used to draw the expander and the lines
561 wxPen m_penExpander;
562
563 // This is the tree structure of the model
564 wxDataViewTreeNode * m_root;
565 int m_count;
566
567 // This is the tree node under the cursor
568 wxDataViewTreeNode * m_underMouse;
569
570 private:
571 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
572 DECLARE_EVENT_TABLE()
573 };
574
575 // ---------------------------------------------------------
576 // wxGenericDataViewModelNotifier
577 // ---------------------------------------------------------
578
579 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
580 {
581 public:
582 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
583 { m_mainWindow = mainWindow; }
584
585 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
586 { return m_mainWindow->ItemAdded( parent , item ); }
587 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
588 { return m_mainWindow->ItemDeleted( parent, item ); }
589 virtual bool ItemChanged( const wxDataViewItem & item )
590 { return m_mainWindow->ItemChanged(item); }
591 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
592 { return m_mainWindow->ValueChanged( item, col ); }
593 virtual bool Cleared()
594 { return m_mainWindow->Cleared(); }
595 virtual void Resort()
596 { m_mainWindow->Resort(); }
597
598 wxDataViewMainWindow *m_mainWindow;
599 };
600
601 // ---------------------------------------------------------
602 // wxDataViewRenderer
603 // ---------------------------------------------------------
604
605 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
606
607 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
608 wxDataViewCellMode mode,
609 int align) :
610 wxDataViewRendererBase( varianttype, mode, align )
611 {
612 m_dc = NULL;
613 m_align = align;
614 m_mode = mode;
615 }
616
617 wxDataViewRenderer::~wxDataViewRenderer()
618 {
619 if (m_dc)
620 delete m_dc;
621 }
622
623 bool
624 wxDataViewRenderer::RenderWithAttr(wxDC& dc,
625 const wxRect& cell_rect,
626 int align,
627 const wxDataViewItemAttr *WXUNUSED(attr),
628 int state)
629 {
630 // adjust the rectangle ourselves to account for the alignment
631
632 wxRect item_rect = cell_rect;
633 if ( align )
634 {
635 const wxSize size = GetSize();
636
637 // take alignment into account only if there is enough space, otherwise
638 // show as much contents as possible
639 //
640 // notice that many existing renderers (e.g. wxDataViewSpinRenderer)
641 // return hard-coded size which can be more than they need and if we
642 // trusted their GetSize() we'd draw the text out of cell bounds
643 // entirely
644
645 if ( size.x < cell_rect.width )
646 {
647 if (align & wxALIGN_CENTER_HORIZONTAL)
648 item_rect.x += (cell_rect.width - size.x)/2;
649 else if (align & wxALIGN_RIGHT)
650 item_rect.x += cell_rect.width - size.x;
651 // else: wxALIGN_LEFT is the default
652
653 item_rect.width = size.x;
654 }
655
656 if ( size.y < cell_rect.height )
657 {
658 if (align & wxALIGN_CENTER_VERTICAL)
659 item_rect.y += (cell_rect.height - size.y)/2;
660 else if (align & wxALIGN_BOTTOM)
661 item_rect.y += cell_rect.height - size.y;
662 // else: wxALIGN_TOP is the default
663
664 item_rect.height = size.y;
665 }
666 }
667
668 return Render(item_rect, &dc, state);
669 }
670
671 wxDC *wxDataViewRenderer::GetDC()
672 {
673 if (m_dc == NULL)
674 {
675 if (GetOwner() == NULL)
676 return NULL;
677 if (GetOwner()->GetOwner() == NULL)
678 return NULL;
679 m_dc = new wxClientDC( GetOwner()->GetOwner() );
680 }
681
682 return m_dc;
683 }
684
685 void wxDataViewRenderer::SetAlignment( int align )
686 {
687 m_align=align;
688 }
689
690 int wxDataViewRenderer::GetAlignment() const
691 {
692 return m_align;
693 }
694
695 int wxDataViewRenderer::CalculateAlignment() const
696 {
697 if (m_align == wxDVR_DEFAULT_ALIGNMENT)
698 {
699 if (GetOwner() == NULL)
700 return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
701
702 return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
703 }
704
705 return m_align;
706 }
707
708 // ---------------------------------------------------------
709 // wxDataViewCustomRenderer
710 // ---------------------------------------------------------
711
712 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
713
714 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
715 wxDataViewCellMode mode, int align ) :
716 wxDataViewRenderer( varianttype, mode, align )
717 {
718 }
719
720 void
721 wxDataViewCustomRenderer::RenderText(wxDC& dc,
722 const wxRect& rect,
723 int align,
724 const wxString& text,
725 const wxDataViewItemAttr *attr,
726 int state,
727 int xoffset)
728 {
729 wxColour col;
730 if ( attr && attr->HasColour() )
731 col = attr->GetColour();
732 else if ( state & wxDATAVIEW_CELL_SELECTED )
733 col = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
734 else // use default foreground
735 col = GetOwner()->GetOwner()->GetForegroundColour();
736
737 wxDCTextColourChanger changeFg(dc, col);
738
739 wxDCFontChanger changeFont(dc);
740 if ( attr && attr->HasFont() )
741 {
742 wxFont font(dc.GetFont());
743 if ( attr->GetBold() )
744 font.MakeBold();
745 if ( attr->GetItalic() )
746 font.MakeItalic();
747
748 changeFont.Set(font);
749 }
750
751 wxRect rectText = rect;
752 rectText.x += xoffset;
753 rectText.width -= xoffset;
754
755 dc.DrawLabel(text, rectText, align);
756 }
757
758 // ---------------------------------------------------------
759 // wxDataViewTextRenderer
760 // ---------------------------------------------------------
761
762 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
763
764 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
765 wxDataViewCellMode mode, int align ) :
766 wxDataViewCustomRenderer( varianttype, mode, align )
767 {
768 }
769
770 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
771 {
772 m_text = value.GetString();
773
774 return true;
775 }
776
777 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
778 {
779 return false;
780 }
781
782 bool wxDataViewTextRenderer::HasEditorCtrl() const
783 {
784 return true;
785 }
786
787 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
788 wxRect labelRect, const wxVariant &value )
789 {
790 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
791 wxPoint(labelRect.x,labelRect.y),
792 wxSize(labelRect.width,labelRect.height) );
793
794 // select the text in the control an place the cursor at the end
795 ctrl->SetInsertionPointEnd();
796 ctrl->SelectAll();
797
798 return ctrl;
799 }
800
801 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
802 {
803 wxTextCtrl *text = (wxTextCtrl*) editor;
804 value = text->GetValue();
805 return true;
806 }
807
808 bool
809 wxDataViewTextRenderer::RenderWithAttr(wxDC& dc,
810 const wxRect& rect,
811 int align,
812 const wxDataViewItemAttr *attr,
813 int state)
814 {
815 RenderText(dc, rect, align, m_text, attr, state);
816 return true;
817 }
818
819 wxSize wxDataViewTextRenderer::GetSize() const
820 {
821 const wxDataViewCtrl *view = GetView();
822 if (!m_text.empty())
823 return view->wxWindowBase::GetTextExtent( m_text );
824 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
825 }
826
827 // ---------------------------------------------------------
828 // wxDataViewBitmapRenderer
829 // ---------------------------------------------------------
830
831 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
832
833 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
834 wxDataViewCellMode mode, int align ) :
835 wxDataViewCustomRenderer( varianttype, mode, align )
836 {
837 }
838
839 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
840 {
841 if (value.GetType() == wxT("wxBitmap"))
842 m_bitmap << value;
843 if (value.GetType() == wxT("wxIcon"))
844 m_icon << value;
845
846 return true;
847 }
848
849 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
850 {
851 return false;
852 }
853
854 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
855 {
856 if (m_bitmap.Ok())
857 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
858 else if (m_icon.Ok())
859 dc->DrawIcon( m_icon, cell.x, cell.y );
860
861 return true;
862 }
863
864 wxSize wxDataViewBitmapRenderer::GetSize() const
865 {
866 if (m_bitmap.Ok())
867 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
868 else if (m_icon.Ok())
869 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
870
871 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
872 }
873
874 // ---------------------------------------------------------
875 // wxDataViewToggleRenderer
876 // ---------------------------------------------------------
877
878 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
879
880 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
881 wxDataViewCellMode mode, int align ) :
882 wxDataViewCustomRenderer( varianttype, mode, align )
883 {
884 m_toggle = false;
885 }
886
887 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
888 {
889 m_toggle = value.GetBool();
890
891 return true;
892 }
893
894 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
895 {
896 return false;
897 }
898
899 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
900 {
901 int flags = 0;
902 if (m_toggle)
903 flags |= wxCONTROL_CHECKED;
904 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
905 flags |= wxCONTROL_DISABLED;
906
907 wxRendererNative::Get().DrawCheckBox(
908 GetOwner()->GetOwner(),
909 *dc,
910 cell,
911 flags );
912
913 return true;
914 }
915
916 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
917 wxDataViewModel *model,
918 const wxDataViewItem & item, unsigned int col)
919 {
920 bool value = !m_toggle;
921 wxVariant variant = value;
922 model->SetValue( variant, item, col);
923 model->ValueChanged( item, col );
924 return true;
925 }
926
927 wxSize wxDataViewToggleRenderer::GetSize() const
928 {
929 // the window parameter is not used by GetCheckBoxSize() so it's
930 // safe to pass NULL
931 return wxRendererNative::Get().GetCheckBoxSize(NULL);
932 }
933
934 // ---------------------------------------------------------
935 // wxDataViewProgressRenderer
936 // ---------------------------------------------------------
937
938 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
939
940 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
941 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
942 wxDataViewCustomRenderer( varianttype, mode, align )
943 {
944 m_label = label;
945 m_value = 0;
946 }
947
948 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
949 {
950 m_value = (long) value;
951
952 if (m_value < 0) m_value = 0;
953 if (m_value > 100) m_value = 100;
954
955 return true;
956 }
957
958 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
959 {
960 value = (long) m_value;
961 return true;
962 }
963
964 bool wxDataViewProgressRenderer::RenderWithAttr(wxDC& dc,
965 const wxRect& rect,
966 int WXUNUSED(align),
967 const wxDataViewItemAttr *attr,
968 int WXUNUSED(state))
969 {
970 // deflat the rect to leave a small border between bars in adjacent rows
971 wxRect bar = rect.Deflate(0, 1);
972
973 dc.SetBrush( *wxTRANSPARENT_BRUSH );
974 dc.SetPen( *wxBLACK_PEN );
975 dc.DrawRectangle( bar );
976
977 bar.width = (int)(bar.width * m_value / 100.);
978 dc.SetPen( *wxTRANSPARENT_PEN );
979 dc.SetBrush( attr && attr->HasColour() ? wxBrush(attr->GetColour())
980 : *wxBLUE_BRUSH );
981 dc.DrawRectangle( bar );
982
983 return true;
984 }
985
986 wxSize wxDataViewProgressRenderer::GetSize() const
987 {
988 return wxSize(40,12);
989 }
990
991 // ---------------------------------------------------------
992 // wxDataViewDateRenderer
993 // ---------------------------------------------------------
994
995 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
996
997 #if wxUSE_DATE_RENDERER_POPUP
998
999 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
1000 {
1001 public:
1002 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
1003 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
1004 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
1005 m_item( item )
1006 {
1007 m_model = model;
1008 m_col = col;
1009 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
1010 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
1011 sizer->Add( m_cal, 1, wxGROW );
1012 SetSizer( sizer );
1013 sizer->Fit( this );
1014 }
1015
1016 void OnCalendar( wxCalendarEvent &event );
1017
1018 wxCalendarCtrl *m_cal;
1019 wxDataViewModel *m_model;
1020 unsigned int m_col;
1021 const wxDataViewItem & m_item;
1022
1023 protected:
1024 virtual void OnDismiss()
1025 {
1026 }
1027
1028 private:
1029 DECLARE_EVENT_TABLE()
1030 };
1031
1032 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1033 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1034 END_EVENT_TABLE()
1035
1036 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1037 {
1038 wxDateTime date = event.GetDate();
1039 wxVariant value = date;
1040 m_model->SetValue( value, m_item, m_col );
1041 m_model->ValueChanged( m_item, m_col );
1042 DismissAndNotify();
1043 }
1044
1045 #endif // wxUSE_DATE_RENDERER_POPUP
1046
1047 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1048
1049 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1050 wxDataViewCellMode mode, int align ) :
1051 wxDataViewCustomRenderer( varianttype, mode, align )
1052 {
1053 }
1054
1055 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1056 {
1057 m_date = value.GetDateTime();
1058
1059 return true;
1060 }
1061
1062 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1063 {
1064 value = m_date;
1065 return true;
1066 }
1067
1068 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1069 {
1070 wxString tmp = m_date.FormatDate();
1071 RenderText( tmp, 0, cell, dc, state );
1072 return true;
1073 }
1074
1075 wxSize wxDataViewDateRenderer::GetSize() const
1076 {
1077 const wxDataViewCtrl* view = GetView();
1078 wxString tmp = m_date.FormatDate();
1079 wxCoord x,y,d;
1080 view->GetTextExtent( tmp, &x, &y, &d );
1081 return wxSize(x,y+d);
1082 }
1083
1084 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1085 const wxDataViewItem & item, unsigned int col )
1086 {
1087 wxVariant variant;
1088 model->GetValue( variant, item, col );
1089 wxDateTime value = variant.GetDateTime();
1090
1091 #if wxUSE_DATE_RENDERER_POPUP
1092 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1093 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1094 wxPoint pos = wxGetMousePosition();
1095 popup->Move( pos );
1096 popup->Layout();
1097 popup->Popup( popup->m_cal );
1098 #else // !wxUSE_DATE_RENDERER_POPUP
1099 wxMessageBox(value.Format());
1100 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1101 return true;
1102 }
1103
1104 // ---------------------------------------------------------
1105 // wxDataViewIconTextRenderer
1106 // ---------------------------------------------------------
1107
1108 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1109
1110 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1111 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1112 wxDataViewCustomRenderer( varianttype, mode, align )
1113 {
1114 SetMode(mode);
1115 SetAlignment(align);
1116 }
1117
1118 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1119 {
1120 m_value << value;
1121 return true;
1122 }
1123
1124 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1125 {
1126 return false;
1127 }
1128
1129 bool
1130 wxDataViewIconTextRenderer::RenderWithAttr(wxDC& dc,
1131 const wxRect& rect,
1132 int align,
1133 const wxDataViewItemAttr *attr,
1134 int state)
1135 {
1136 int xoffset = 0;
1137
1138 const wxIcon& icon = m_value.GetIcon();
1139 if ( icon.IsOk() )
1140 {
1141 dc.DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
1142 xoffset = icon.GetWidth()+4;
1143 }
1144
1145 RenderText(dc, rect, align, m_value.GetText(), attr, state, xoffset);
1146
1147 return true;
1148 }
1149
1150 wxSize wxDataViewIconTextRenderer::GetSize() const
1151 {
1152 const wxDataViewCtrl *view = GetView();
1153 if (!m_value.GetText().empty())
1154 {
1155 int x,y;
1156 view->GetTextExtent( m_value.GetText(), &x, &y );
1157
1158 if (m_value.GetIcon().IsOk())
1159 x += m_value.GetIcon().GetWidth() + 4;
1160 return wxSize( x, y );
1161 }
1162 return wxSize(80,20);
1163 }
1164
1165 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1166 {
1167 wxDataViewIconText iconText;
1168 iconText << value;
1169
1170 wxString text = iconText.GetText();
1171
1172 // adjust the label rect to take the width of the icon into account
1173 if (iconText.GetIcon().IsOk())
1174 {
1175 int w = iconText.GetIcon().GetWidth() + 4;
1176 labelRect.x += w;
1177 labelRect.width -= w;
1178 }
1179
1180 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1181 wxPoint(labelRect.x,labelRect.y),
1182 wxSize(labelRect.width,labelRect.height) );
1183
1184 // select the text in the control an place the cursor at the end
1185 ctrl->SetInsertionPointEnd();
1186 ctrl->SelectAll();
1187
1188 return ctrl;
1189 }
1190
1191 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1192 {
1193 wxTextCtrl *text = (wxTextCtrl*) editor;
1194
1195 wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1196 value << iconText;
1197 return true;
1198 }
1199
1200 //-----------------------------------------------------------------------------
1201 // wxDataViewDropTarget
1202 //-----------------------------------------------------------------------------
1203
1204 #if wxUSE_DRAG_AND_DROP
1205
1206 class wxBitmapCanvas: public wxWindow
1207 {
1208 public:
1209 wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1210 wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1211 {
1212 m_bitmap = bitmap;
1213 Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1214 }
1215
1216 void OnPaint( wxPaintEvent &WXUNUSED(event) )
1217 {
1218 wxPaintDC dc(this);
1219 dc.DrawBitmap( m_bitmap, 0, 0);
1220 }
1221
1222 wxBitmap m_bitmap;
1223 };
1224
1225 class wxDataViewDropSource: public wxDropSource
1226 {
1227 public:
1228 wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1229 wxDropSource( win )
1230 {
1231 m_win = win;
1232 m_row = row;
1233 m_hint = NULL;
1234 }
1235
1236 ~wxDataViewDropSource()
1237 {
1238 delete m_hint;
1239 }
1240
1241 virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1242 {
1243 wxPoint pos = wxGetMousePosition();
1244
1245 if (!m_hint)
1246 {
1247 int liney = m_win->GetLineStart( m_row );
1248 int linex = 0;
1249 m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1250 m_win->ClientToScreen( &linex, &liney );
1251 m_dist_x = pos.x - linex;
1252 m_dist_y = pos.y - liney;
1253
1254 int indent = 0;
1255 wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1256 m_dist_x -= indent;
1257 m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1258 wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1259 ib.GetSize(),
1260 wxFRAME_TOOL_WINDOW |
1261 wxFRAME_FLOAT_ON_PARENT |
1262 wxFRAME_NO_TASKBAR |
1263 wxNO_BORDER );
1264 new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1265 m_hint->Show();
1266 }
1267 else
1268 {
1269 m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
1270 m_hint->SetTransparent( 128 );
1271 }
1272
1273 return false;
1274 }
1275
1276 wxDataViewMainWindow *m_win;
1277 unsigned int m_row;
1278 wxFrame *m_hint;
1279 int m_dist_x,m_dist_y;
1280 };
1281
1282
1283 class wxDataViewDropTarget: public wxDropTarget
1284 {
1285 public:
1286 wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1287 wxDropTarget( obj )
1288 {
1289 m_win = win;
1290 }
1291
1292 virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1293 {
1294 wxDataFormat format = GetMatchingPair();
1295 if (format == wxDF_INVALID)
1296 return wxDragNone;
1297 return m_win->OnDragOver( format, x, y, def);
1298 }
1299
1300 virtual bool OnDrop( wxCoord x, wxCoord y )
1301 {
1302 wxDataFormat format = GetMatchingPair();
1303 if (format == wxDF_INVALID)
1304 return false;
1305 return m_win->OnDrop( format, x, y );
1306 }
1307
1308 virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1309 {
1310 wxDataFormat format = GetMatchingPair();
1311 if (format == wxDF_INVALID)
1312 return wxDragNone;
1313 if (!GetData())
1314 return wxDragNone;
1315 return m_win->OnData( format, x, y, def );
1316 }
1317
1318 virtual void OnLeave()
1319 { m_win->OnLeave(); }
1320
1321 wxDataViewMainWindow *m_win;
1322 };
1323
1324 #endif // wxUSE_DRAG_AND_DROP
1325
1326 //-----------------------------------------------------------------------------
1327 // wxDataViewRenameTimer
1328 //-----------------------------------------------------------------------------
1329
1330 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1331 {
1332 m_owner = owner;
1333 }
1334
1335 void wxDataViewRenameTimer::Notify()
1336 {
1337 m_owner->OnRenameTimer();
1338 }
1339
1340 //-----------------------------------------------------------------------------
1341 // wxDataViewMainWindow
1342 //-----------------------------------------------------------------------------
1343
1344 // The tree building helper, declared firstly
1345 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
1346 wxDataViewTreeNode * node);
1347
1348 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1349 {
1350 if (row1 > row2) return 1;
1351 if (row1 == row2) return 0;
1352 return -1;
1353 }
1354
1355 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1356
1357 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1358 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1359 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1360 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1361 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1362 EVT_CHAR (wxDataViewMainWindow::OnChar)
1363 END_EVENT_TABLE()
1364
1365 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1366 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1367 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1368 m_selection( wxDataViewSelectionCmp )
1369
1370 {
1371 SetOwner( parent );
1372
1373 m_lastOnSame = false;
1374 m_renameTimer = new wxDataViewRenameTimer( this );
1375
1376 // TODO: user better initial values/nothing selected
1377 m_currentCol = NULL;
1378 m_currentRow = 0;
1379
1380 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1381
1382 #if wxUSE_DRAG_AND_DROP
1383 m_dragCount = 0;
1384 m_dragStart = wxPoint(0,0);
1385
1386 m_dragEnabled = false;
1387 m_dropEnabled = false;
1388 m_dropHint = false;
1389 m_dropHintLine = (unsigned int) -1;
1390 #endif // wxUSE_DRAG_AND_DROP
1391
1392 m_lineLastClicked = (unsigned int) -1;
1393 m_lineBeforeLastClicked = (unsigned int) -1;
1394 m_lineSelectSingleOnUp = (unsigned int) -1;
1395
1396 m_hasFocus = false;
1397
1398 SetBackgroundColour( *wxWHITE );
1399
1400 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1401
1402 m_penRule = wxPen(GetRuleColour());
1403
1404 // compose a pen whichcan draw black lines
1405 // TODO: maybe there is something system colour to use
1406 m_penExpander = wxPen(wxColour(0,0,0));
1407
1408 m_root = new wxDataViewTreeNode( NULL );
1409 m_root->SetHasChildren(true);
1410
1411 // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1412 m_count = -1;
1413 m_underMouse = NULL;
1414 UpdateDisplay();
1415 }
1416
1417 wxDataViewMainWindow::~wxDataViewMainWindow()
1418 {
1419 DestroyTree();
1420 delete m_renameTimer;
1421 }
1422
1423
1424 #if wxUSE_DRAG_AND_DROP
1425 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1426 {
1427 m_dragFormat = format;
1428 m_dragEnabled = format != wxDF_INVALID;
1429
1430 return true;
1431 }
1432
1433 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1434 {
1435 m_dropFormat = format;
1436 m_dropEnabled = format != wxDF_INVALID;
1437
1438 if (m_dropEnabled)
1439 SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1440
1441 return true;
1442 }
1443
1444 void wxDataViewMainWindow::RemoveDropHint()
1445 {
1446 if (m_dropHint)
1447 {
1448 m_dropHint = false;
1449 RefreshRow( m_dropHintLine );
1450 m_dropHintLine = (unsigned int) -1;
1451 }
1452 }
1453
1454 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1455 wxCoord y, wxDragResult def )
1456 {
1457 int xx = x;
1458 int yy = y;
1459 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1460 unsigned int row = GetLineAt( yy );
1461
1462 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1463 {
1464 RemoveDropHint();
1465 return wxDragNone;
1466 }
1467
1468 wxDataViewItem item = GetItemByRow( row );
1469
1470 wxDataViewModel *model = GetOwner()->GetModel();
1471
1472 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1473 event.SetEventObject( m_owner );
1474 event.SetItem( item );
1475 event.SetModel( model );
1476 event.SetDataFormat( format );
1477 if (!m_owner->HandleWindowEvent( event ))
1478 {
1479 RemoveDropHint();
1480 return wxDragNone;
1481 }
1482
1483 if (!event.IsAllowed())
1484 {
1485 RemoveDropHint();
1486 return wxDragNone;
1487 }
1488
1489
1490 if (m_dropHint && (row != m_dropHintLine))
1491 RefreshRow( m_dropHintLine );
1492 m_dropHint = true;
1493 m_dropHintLine = row;
1494 RefreshRow( row );
1495
1496 return def;
1497 }
1498
1499 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1500 {
1501 RemoveDropHint();
1502
1503 int xx = x;
1504 int yy = y;
1505 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1506 unsigned int row = GetLineAt( yy );
1507
1508 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1509 return false;
1510
1511 wxDataViewItem item = GetItemByRow( row );
1512
1513 wxDataViewModel *model = GetOwner()->GetModel();
1514
1515 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1516 event.SetEventObject( m_owner );
1517 event.SetItem( item );
1518 event.SetModel( model );
1519 event.SetDataFormat( format );
1520 if (!m_owner->HandleWindowEvent( event ))
1521 return false;
1522
1523 if (!event.IsAllowed())
1524 return false;
1525
1526 return true;
1527 }
1528
1529 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1530 wxDragResult def )
1531 {
1532 int xx = x;
1533 int yy = y;
1534 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1535 unsigned int row = GetLineAt( yy );
1536
1537 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1538 return wxDragNone;
1539
1540 wxDataViewItem item = GetItemByRow( row );
1541
1542 wxDataViewModel *model = GetOwner()->GetModel();
1543
1544 wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1545
1546 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1547 event.SetEventObject( m_owner );
1548 event.SetItem( item );
1549 event.SetModel( model );
1550 event.SetDataFormat( format );
1551 event.SetDataSize( obj->GetSize() );
1552 event.SetDataBuffer( obj->GetData() );
1553 if (!m_owner->HandleWindowEvent( event ))
1554 return wxDragNone;
1555
1556 if (!event.IsAllowed())
1557 return wxDragNone;
1558
1559 return def;
1560 }
1561
1562 void wxDataViewMainWindow::OnLeave()
1563 {
1564 RemoveDropHint();
1565 }
1566
1567 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1568 {
1569 int height = GetLineHeight( row );
1570 int width = 0;
1571 unsigned int cols = GetOwner()->GetColumnCount();
1572 unsigned int col;
1573 for (col = 0; col < cols; col++)
1574 {
1575 wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1576 if (column->IsHidden())
1577 continue; // skip it!
1578 width += column->GetWidth();
1579 }
1580
1581 indent = 0;
1582 if (!IsVirtualList())
1583 {
1584 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1585 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1586 indent = indent + m_lineHeight;
1587 // try to use the m_lineHeight as the expander space
1588
1589 if(!node->HasChildren())
1590 delete node;
1591 }
1592 width -= indent;
1593
1594 wxBitmap bitmap( width, height );
1595 wxMemoryDC dc( bitmap );
1596 dc.SetFont( GetFont() );
1597 dc.SetPen( *wxBLACK_PEN );
1598 dc.SetBrush( *wxWHITE_BRUSH );
1599 dc.DrawRectangle( 0,0,width,height );
1600
1601 wxDataViewModel *model = m_owner->GetModel();
1602
1603 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1604 if (!expander)
1605 {
1606 // TODO-RTL: last column for RTL support
1607 expander = GetOwner()->GetColumnAt( 0 );
1608 GetOwner()->SetExpanderColumn(expander);
1609 }
1610
1611
1612 int x = 0;
1613 for (col = 0; col < cols; col++)
1614 {
1615 wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1616 wxDataViewRenderer *cell = column->GetRenderer();
1617
1618 if (column->IsHidden())
1619 continue; // skip it!
1620
1621 width = column->GetWidth();
1622
1623 if (column == expander)
1624 width -= indent;
1625
1626 wxVariant value;
1627 wxDataViewItem item = GetItemByRow( row );
1628 model->GetValue( value, item, column->GetModelColumn());
1629 cell->SetValue( value );
1630
1631 wxRect item_rect(x, 0, width, height);
1632 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1633
1634 // dc.SetClippingRegion( item_rect );
1635 wxDataViewItemAttr attr;
1636 const bool
1637 hasAttr = model->GetAttr(item, column->GetModelColumn(), attr);
1638 cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
1639 hasAttr ? &attr : NULL, 0);
1640 // dc.DestroyClippingRegion();
1641
1642 x += width;
1643 }
1644
1645 return bitmap;
1646 }
1647
1648 #endif // wxUSE_DRAG_AND_DROP
1649
1650
1651 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1652 {
1653 wxDataViewModel *model = GetOwner()->GetModel();
1654 wxAutoBufferedPaintDC dc( this );
1655
1656 #ifdef __WXMSW__
1657 dc.SetBrush(GetOwner()->GetBackgroundColour());
1658 dc.SetPen( *wxTRANSPARENT_PEN );
1659 dc.DrawRectangle(GetClientSize());
1660 #endif
1661
1662 // prepare the DC
1663 GetOwner()->PrepareDC( dc );
1664 dc.SetFont( GetFont() );
1665
1666 wxRect update = GetUpdateRegion().GetBox();
1667 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1668
1669 // compute which items needs to be redrawn
1670 unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1671 unsigned int item_count =
1672 wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1673 (int)(GetRowCount( ) - item_start));
1674 unsigned int item_last = item_start + item_count;
1675 // Get the parent of DataViewCtrl
1676 wxWindow *parent = GetParent()->GetParent();
1677 wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1678 cache_event.SetEventObject(GetParent());
1679 cache_event.SetCache(item_start, item_last - 1);
1680 parent->ProcessWindowEvent(cache_event);
1681
1682 // compute which columns needs to be redrawn
1683 unsigned int cols = GetOwner()->GetColumnCount();
1684 unsigned int col_start = 0;
1685 unsigned int x_start;
1686 for (x_start = 0; col_start < cols; col_start++)
1687 {
1688 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1689 if (col->IsHidden())
1690 continue; // skip it!
1691
1692 unsigned int w = col->GetWidth();
1693 if (x_start+w >= (unsigned int)update.x)
1694 break;
1695
1696 x_start += w;
1697 }
1698
1699 unsigned int col_last = col_start;
1700 unsigned int x_last = x_start;
1701 for (; col_last < cols; col_last++)
1702 {
1703 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1704 if (col->IsHidden())
1705 continue; // skip it!
1706
1707 if (x_last > (unsigned int)update.GetRight())
1708 break;
1709
1710 x_last += col->GetWidth();
1711 }
1712
1713 // Draw horizontal rules if required
1714 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1715 {
1716 dc.SetPen(m_penRule);
1717 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1718
1719 for (unsigned int i = item_start; i <= item_last; i++)
1720 {
1721 int y = GetLineStart( i );
1722 dc.DrawLine(x_start, y, x_last, y);
1723 }
1724 }
1725
1726 // Draw vertical rules if required
1727 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1728 {
1729 dc.SetPen(m_penRule);
1730 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1731
1732 int x = x_start;
1733 for (unsigned int i = col_start; i < col_last; i++)
1734 {
1735 wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1736 if (col->IsHidden())
1737 continue; // skip it
1738
1739 dc.DrawLine(x, GetLineStart( item_start ),
1740 x, GetLineStart( item_last ) );
1741
1742 x += col->GetWidth();
1743 }
1744
1745 // Draw last vertical rule
1746 dc.DrawLine(x, GetLineStart( item_start ),
1747 x, GetLineStart( item_last ) );
1748 }
1749
1750 // redraw the background for the items which are selected/current
1751 for (unsigned int item = item_start; item < item_last; item++)
1752 {
1753 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1754 if (selected || item == m_currentRow)
1755 {
1756 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1757 if (item == m_currentRow)
1758 flags |= wxCONTROL_CURRENT;
1759 if (m_hasFocus)
1760 flags |= wxCONTROL_FOCUSED;
1761
1762 wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1763 wxRendererNative::Get().DrawItemSelectionRect
1764 (
1765 this,
1766 dc,
1767 rect,
1768 flags
1769 );
1770 }
1771 }
1772
1773 #if wxUSE_DRAG_AND_DROP
1774 if (m_dropHint)
1775 {
1776 wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1777 x_last, GetLineHeight( m_dropHintLine ) );
1778 dc.SetPen( *wxBLACK_PEN );
1779 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1780 dc.DrawRectangle( rect );
1781 }
1782 #endif // wxUSE_DRAG_AND_DROP
1783
1784 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1785 if (!expander)
1786 {
1787 // TODO-RTL: last column for RTL support
1788 expander = GetOwner()->GetColumnAt( 0 );
1789 GetOwner()->SetExpanderColumn(expander);
1790 }
1791
1792 // redraw all cells for all rows which must be repainted and all columns
1793 wxRect cell_rect;
1794 cell_rect.x = x_start;
1795 for (unsigned int i = col_start; i < col_last; i++)
1796 {
1797 wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1798 wxDataViewRenderer *cell = col->GetRenderer();
1799 cell_rect.width = col->GetWidth();
1800
1801 if (col->IsHidden())
1802 continue; // skip it!
1803
1804 for (unsigned int item = item_start; item < item_last; item++)
1805 {
1806 // get the cell value and set it into the renderer
1807 wxVariant value;
1808 wxDataViewTreeNode *node = NULL;
1809 wxDataViewItem dataitem;
1810
1811 if (!IsVirtualList())
1812 {
1813 node = GetTreeNodeByRow(item);
1814 if( node == NULL )
1815 continue;
1816
1817 dataitem = node->GetItem();
1818
1819 if ((i > 0) && model->IsContainer(dataitem) &&
1820 !model->HasContainerColumns(dataitem))
1821 continue;
1822 }
1823 else
1824 {
1825 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1826 }
1827
1828 model->GetValue( value, dataitem, col->GetModelColumn());
1829 cell->SetValue( value );
1830
1831 // update cell_rect
1832 cell_rect.y = GetLineStart( item );
1833 cell_rect.height = GetLineHeight( item );
1834
1835 // Draw the expander here.
1836 int indent = 0;
1837 if ((!IsVirtualList()) && (col == expander))
1838 {
1839 indent = node->GetIndentLevel();
1840
1841 // Calculate the indent first
1842 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1843
1844 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1845
1846 // change the cell_rect.x to the appropriate pos
1847 int expander_x = indent + EXPANDER_MARGIN;
1848 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1849 - (expander_width/2) - EXPANDER_OFFSET;
1850
1851 indent = indent + m_lineHeight;
1852 // try to use the m_lineHeight as the expander space
1853
1854 dc.SetPen( m_penExpander );
1855 dc.SetBrush( wxNullBrush );
1856 if( node->HasChildren() )
1857 {
1858 wxRect rect( expander_x , expander_y, expander_width, expander_width);
1859 int flag = 0;
1860 if (m_underMouse == node)
1861 {
1862 flag |= wxCONTROL_CURRENT;
1863 }
1864 if( node->IsOpen() )
1865 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1866 flag|wxCONTROL_EXPANDED );
1867 else
1868 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1869 }
1870
1871 // force the expander column to left-center align
1872 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1873 }
1874 if (node && !node->HasChildren())
1875 {
1876 // Yes, if the node does not have any child, it must be a leaf which
1877 // mean that it is a temporarily created by GetTreeNodeByRow
1878 wxDELETE(node);
1879 }
1880
1881 wxRect item_rect = cell_rect;
1882 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1883
1884 // account for the tree indent (harmless if we're not indented)
1885 item_rect.x += indent;
1886 item_rect.width -= indent;
1887
1888 int state = 0;
1889 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1890 state |= wxDATAVIEW_CELL_SELECTED;
1891
1892 // TODO: it would be much more efficient to create a clipping
1893 // region for the entire column being rendered (in the OnPaint
1894 // of wxDataViewMainWindow) instead of a single clip region for
1895 // each cell. However it would mean that each renderer should
1896 // respect the given wxRect's top & bottom coords, eventually
1897 // violating only the left & right coords - however the user can
1898 // make its own renderer and thus we cannot be sure of that.
1899 wxDCClipper clip(dc, item_rect);
1900
1901 wxDataViewItemAttr attr;
1902 const bool
1903 hasAttr = model->GetAttr(dataitem, col->GetModelColumn(), attr);
1904 cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
1905 hasAttr ? &attr : NULL, state);
1906 }
1907
1908 cell_rect.x += cell_rect.width;
1909 }
1910 }
1911
1912 void wxDataViewMainWindow::OnRenameTimer()
1913 {
1914 // We have to call this here because changes may just have
1915 // been made and no screen update taken place.
1916 if ( m_dirty )
1917 {
1918 // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1919 // (needs to be tested!)
1920 wxSafeYield();
1921 }
1922
1923 wxDataViewItem item = GetItemByRow( m_currentRow );
1924
1925 wxRect labelRect = GetItemRect(item, m_currentCol);
1926
1927 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1928 }
1929
1930 //-----------------------------------------------------------------------------
1931 // Helper class for do operation on the tree node
1932 //-----------------------------------------------------------------------------
1933 class DoJob
1934 {
1935 public:
1936 DoJob() { }
1937 virtual ~DoJob() { }
1938
1939 // The return value control how the tree-walker tranverse the tree
1940 // 0: Job done, stop tranverse and return
1941 // 1: Ignore the current node's subtree and continue
1942 // 2: Job not done, continue
1943 enum { OK = 0 , IGR = 1, CONT = 2 };
1944 virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1945 virtual int operator() ( void * n ) = 0;
1946 };
1947
1948 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1949 {
1950 if( node==NULL )
1951 return false;
1952
1953 switch( func( node ) )
1954 {
1955 case DoJob::OK :
1956 return true;
1957 case DoJob::IGR:
1958 return false;
1959 case DoJob::CONT:
1960 default:
1961 ;
1962 }
1963
1964 wxDataViewTreeNodes nodes = node->GetNodes();
1965 wxDataViewTreeLeaves leaves = node->GetChildren();
1966
1967 int len_nodes = nodes.GetCount();
1968 int len = leaves.GetCount();
1969 int i = 0, nodes_i = 0;
1970
1971 for(; i < len; i ++ )
1972 {
1973 void * n = leaves[i];
1974 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1975 {
1976 wxDataViewTreeNode * nd = nodes[nodes_i];
1977 nodes_i++;
1978
1979 if( Walker( nd , func ) )
1980 return true;
1981
1982 }
1983 else
1984 switch( func( n ) )
1985 {
1986 case DoJob::OK :
1987 return true;
1988 case DoJob::IGR:
1989 continue;
1990 case DoJob::CONT:
1991 default:
1992 ;
1993 }
1994 }
1995 return false;
1996 }
1997
1998 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1999 {
2000 if (IsVirtualList())
2001 {
2002 wxDataViewVirtualListModel *list_model =
2003 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2004 m_count = list_model->GetCount();
2005 UpdateDisplay();
2006 return true;
2007 }
2008
2009 SortPrepare();
2010
2011 wxDataViewTreeNode * node;
2012 node = FindNode(parent);
2013
2014 if( node == NULL )
2015 return false;
2016
2017 node->SetHasChildren( true );
2018
2019 if( g_model->IsContainer( item ) )
2020 {
2021 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2022 newnode->SetItem(item);
2023 newnode->SetHasChildren( true );
2024 node->AddNode( newnode);
2025 }
2026 else
2027 node->AddLeaf( item.GetID() );
2028
2029 node->ChangeSubTreeCount(1);
2030
2031 m_count = -1;
2032 UpdateDisplay();
2033
2034 return true;
2035 }
2036
2037 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2038
2039 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2040 const wxDataViewItem& item)
2041 {
2042 if (IsVirtualList())
2043 {
2044 wxDataViewVirtualListModel *list_model =
2045 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2046 m_count = list_model->GetCount();
2047
2048 if( m_currentRow > GetRowCount() )
2049 m_currentRow = m_count - 1;
2050
2051 // TODO: why empty the entire selection?
2052 m_selection.Empty();
2053
2054 UpdateDisplay();
2055
2056 return true;
2057 }
2058
2059 wxDataViewTreeNode * node = FindNode(parent);
2060
2061 wxCHECK_MSG( node != NULL, false, "item not found" );
2062 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2063 false, "item not found" );
2064
2065 int sub = -1;
2066 node->GetChildren().Remove( item.GetID() );
2067 // Manipolate selection
2068 if( m_selection.GetCount() > 1 )
2069 {
2070 m_selection.Empty();
2071 }
2072 bool isContainer = false;
2073 wxDataViewTreeNodes nds = node->GetNodes();
2074 for (size_t i = 0; i < nds.GetCount(); i ++)
2075 {
2076 if (nds[i]->GetItem() == item)
2077 {
2078 isContainer = true;
2079 break;
2080 }
2081 }
2082 if( isContainer )
2083 {
2084 wxDataViewTreeNode * n = NULL;
2085 wxDataViewTreeNodes nodes = node->GetNodes();
2086 int len = nodes.GetCount();
2087 for( int i = 0; i < len; i ++)
2088 {
2089 if( nodes[i]->GetItem() == item )
2090 {
2091 n = nodes[i];
2092 break;
2093 }
2094 }
2095
2096 wxCHECK_MSG( n != NULL, false, "item not found" );
2097
2098 node->GetNodes().Remove( n );
2099 sub -= n->GetSubTreeCount();
2100 ::DestroyTreeHelper(n);
2101 }
2102 // Make the row number invalid and get a new valid one when user call GetRowCount
2103 m_count = -1;
2104 node->ChangeSubTreeCount(sub);
2105
2106 // Change the current row to the last row if the current exceed the max row number
2107 if( m_currentRow > GetRowCount() )
2108 m_currentRow = m_count - 1;
2109
2110 UpdateDisplay();
2111
2112 return true;
2113 }
2114
2115 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2116 {
2117 SortPrepare();
2118 g_model->Resort();
2119
2120 // Send event
2121 wxWindow *parent = GetParent();
2122 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2123 le.SetEventObject(parent);
2124 le.SetModel(GetOwner()->GetModel());
2125 le.SetItem(item);
2126 parent->GetEventHandler()->ProcessEvent(le);
2127
2128 return true;
2129 }
2130
2131 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2132 {
2133 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2134 /*#define MAX_VIRTUAL_WIDTH 100000
2135
2136 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2137 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2138 Refresh( true, &rect );
2139
2140 return true;
2141 */
2142 SortPrepare();
2143 g_model->Resort();
2144
2145 // Send event
2146 wxWindow *parent = GetParent();
2147 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2148 le.SetEventObject(parent);
2149 le.SetModel(GetOwner()->GetModel());
2150 le.SetItem(item);
2151 le.SetColumn(col);
2152 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2153 parent->GetEventHandler()->ProcessEvent(le);
2154
2155 return true;
2156 }
2157
2158 bool wxDataViewMainWindow::Cleared()
2159 {
2160 DestroyTree();
2161
2162 SortPrepare();
2163 BuildTree( GetOwner()->GetModel() );
2164
2165 UpdateDisplay();
2166
2167 return true;
2168 }
2169
2170 void wxDataViewMainWindow::UpdateDisplay()
2171 {
2172 m_dirty = true;
2173 }
2174
2175 void wxDataViewMainWindow::OnInternalIdle()
2176 {
2177 wxWindow::OnInternalIdle();
2178
2179 if (m_dirty)
2180 {
2181 RecalculateDisplay();
2182 m_dirty = false;
2183 }
2184 }
2185
2186 void wxDataViewMainWindow::RecalculateDisplay()
2187 {
2188 wxDataViewModel *model = GetOwner()->GetModel();
2189 if (!model)
2190 {
2191 Refresh();
2192 return;
2193 }
2194
2195 int width = GetEndOfLastCol();
2196 int height = GetLineStart( GetRowCount() );
2197
2198 SetVirtualSize( width, height );
2199 GetOwner()->SetScrollRate( 10, m_lineHeight );
2200
2201 Refresh();
2202 }
2203
2204 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2205 {
2206 wxWindow::ScrollWindow( dx, dy, rect );
2207
2208 if (GetOwner()->m_headerArea)
2209 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2210 }
2211
2212 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2213 {
2214 int x, y;
2215 m_owner->GetScrollPixelsPerUnit( &x, &y );
2216 int sy = GetLineStart( rows )/y;
2217 int sx = 0;
2218 if( column != -1 )
2219 {
2220 wxRect rect = GetClientRect();
2221 int colnum = 0;
2222 int x_start, w = 0;
2223 int xx, yy, xe;
2224 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2225 for (x_start = 0; colnum < column; colnum++)
2226 {
2227 wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2228 if (col->IsHidden())
2229 continue; // skip it!
2230
2231 w = col->GetWidth();
2232 x_start += w;
2233 }
2234
2235 int x_end = x_start + w;
2236 xe = xx + rect.width;
2237 if( x_end > xe )
2238 {
2239 sx = ( xx + x_end - xe )/x;
2240 }
2241 if( x_start < xx )
2242 {
2243 sx = x_start/x;
2244 }
2245 }
2246 m_owner->Scroll( sx, sy );
2247 }
2248
2249 int wxDataViewMainWindow::GetCountPerPage() const
2250 {
2251 wxSize size = GetClientSize();
2252 return size.y / m_lineHeight;
2253 }
2254
2255 int wxDataViewMainWindow::GetEndOfLastCol() const
2256 {
2257 int width = 0;
2258 unsigned int i;
2259 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2260 {
2261 const wxDataViewColumn *c =
2262 const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2263
2264 if (!c->IsHidden())
2265 width += c->GetWidth();
2266 }
2267 return width;
2268 }
2269
2270 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2271 {
2272 int x = 0;
2273 int y = 0;
2274 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2275
2276 return GetLineAt( y );
2277 }
2278
2279 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2280 {
2281 wxSize client_size = GetClientSize();
2282 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2283 &client_size.x, &client_size.y );
2284
2285 // we should deal with the pixel here
2286 unsigned int row = GetLineAt(client_size.y) - 1;
2287
2288 return wxMin( GetRowCount()-1, row );
2289 }
2290
2291 unsigned int wxDataViewMainWindow::GetRowCount()
2292 {
2293 if ( m_count == -1 )
2294 {
2295 m_count = RecalculateCount();
2296 UpdateDisplay();
2297 }
2298 return m_count;
2299 }
2300
2301 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2302 {
2303 m_currentRow = row;
2304
2305 // send event
2306 }
2307
2308 void wxDataViewMainWindow::SelectAllRows( bool on )
2309 {
2310 if (IsEmpty())
2311 return;
2312
2313 if (on)
2314 {
2315 m_selection.Clear();
2316 for (unsigned int i = 0; i < GetRowCount(); i++)
2317 m_selection.Add( i );
2318 Refresh();
2319 }
2320 else
2321 {
2322 unsigned int first_visible = GetFirstVisibleRow();
2323 unsigned int last_visible = GetLastVisibleRow();
2324 unsigned int i;
2325 for (i = 0; i < m_selection.GetCount(); i++)
2326 {
2327 unsigned int row = m_selection[i];
2328 if ((row >= first_visible) && (row <= last_visible))
2329 RefreshRow( row );
2330 }
2331 m_selection.Clear();
2332 }
2333 }
2334
2335 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2336 {
2337 if (m_selection.Index( row ) == wxNOT_FOUND)
2338 {
2339 if (on)
2340 {
2341 m_selection.Add( row );
2342 RefreshRow( row );
2343 }
2344 }
2345 else
2346 {
2347 if (!on)
2348 {
2349 m_selection.Remove( row );
2350 RefreshRow( row );
2351 }
2352 }
2353 }
2354
2355 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2356 {
2357 if (from > to)
2358 {
2359 unsigned int tmp = from;
2360 from = to;
2361 to = tmp;
2362 }
2363
2364 unsigned int i;
2365 for (i = from; i <= to; i++)
2366 {
2367 if (m_selection.Index( i ) == wxNOT_FOUND)
2368 {
2369 if (on)
2370 m_selection.Add( i );
2371 }
2372 else
2373 {
2374 if (!on)
2375 m_selection.Remove( i );
2376 }
2377 }
2378 RefreshRows( from, to );
2379 }
2380
2381 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2382 {
2383 for (size_t i=0; i < aSelections.GetCount(); i++)
2384 {
2385 int n = aSelections[i];
2386
2387 m_selection.Add( n );
2388 RefreshRow( n );
2389 }
2390 }
2391
2392 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2393 {
2394 if (m_selection.Index( row ) == wxNOT_FOUND)
2395 m_selection.Add( row );
2396 else
2397 m_selection.Remove( row );
2398 RefreshRow( row );
2399 }
2400
2401 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2402 {
2403 return (m_selection.Index( row ) != wxNOT_FOUND);
2404 }
2405
2406 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2407 {
2408 wxWindow *parent = GetParent();
2409 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2410
2411 le.SetEventObject(parent);
2412 le.SetModel(GetOwner()->GetModel());
2413 le.SetItem( item );
2414
2415 parent->GetEventHandler()->ProcessEvent(le);
2416 }
2417
2418 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2419 {
2420 wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2421 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2422
2423 wxSize client_size = GetClientSize();
2424 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2425 wxRect intersect_rect = client_rect.Intersect( rect );
2426 if (intersect_rect.width > 0)
2427 Refresh( true, &intersect_rect );
2428 }
2429
2430 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2431 {
2432 if (from > to)
2433 {
2434 unsigned int tmp = to;
2435 to = from;
2436 from = tmp;
2437 }
2438
2439 wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2440 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2441
2442 wxSize client_size = GetClientSize();
2443 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2444 wxRect intersect_rect = client_rect.Intersect( rect );
2445 if (intersect_rect.width > 0)
2446 Refresh( true, &intersect_rect );
2447 }
2448
2449 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2450 {
2451 wxSize client_size = GetClientSize();
2452 int start = GetLineStart( firstRow );
2453 m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2454 if (start > client_size.y) return;
2455
2456 wxRect rect( 0, start, client_size.x, client_size.y - start );
2457
2458 Refresh( true, &rect );
2459 }
2460
2461 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2462 {
2463 wxCHECK_RET( newCurrent < GetRowCount(),
2464 wxT("invalid item index in OnArrowChar()") );
2465
2466 // if there is no selection, we cannot move it anywhere
2467 if (!HasCurrentRow())
2468 return;
2469
2470 unsigned int oldCurrent = m_currentRow;
2471
2472 // in single selection we just ignore Shift as we can't select several
2473 // items anyhow
2474 if ( event.ShiftDown() && !IsSingleSel() )
2475 {
2476 RefreshRow( oldCurrent );
2477
2478 ChangeCurrentRow( newCurrent );
2479
2480 // select all the items between the old and the new one
2481 if ( oldCurrent > newCurrent )
2482 {
2483 newCurrent = oldCurrent;
2484 oldCurrent = m_currentRow;
2485 }
2486
2487 SelectRows( oldCurrent, newCurrent, true );
2488 if (oldCurrent!=newCurrent)
2489 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2490 }
2491 else // !shift
2492 {
2493 RefreshRow( oldCurrent );
2494
2495 // all previously selected items are unselected unless ctrl is held
2496 if ( !event.ControlDown() )
2497 SelectAllRows(false);
2498
2499 ChangeCurrentRow( newCurrent );
2500
2501 if ( !event.ControlDown() )
2502 {
2503 SelectRow( m_currentRow, true );
2504 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2505 }
2506 else
2507 RefreshRow( m_currentRow );
2508 }
2509
2510 GetOwner()->EnsureVisible( m_currentRow, -1 );
2511 }
2512
2513 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2514 {
2515 wxRect rect;
2516 rect.x = 0;
2517 rect.y = GetLineStart( row );
2518 rect.width = GetEndOfLastCol();
2519 rect.height = GetLineHeight( row );
2520
2521 return rect;
2522 }
2523
2524 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2525 {
2526 const wxDataViewModel *model = GetOwner()->GetModel();
2527
2528 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2529 {
2530 // TODO make more efficient
2531
2532 int start = 0;
2533
2534 unsigned int r;
2535 for (r = 0; r < row; r++)
2536 {
2537 const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2538 if (!node) return start;
2539
2540 wxDataViewItem item = node->GetItem();
2541
2542 if (node && !node->HasChildren())
2543 {
2544 // Yes, if the node does not have any child, it must be a leaf which
2545 // mean that it is a temporarily created by GetTreeNodeByRow
2546 wxDELETE(node);
2547 }
2548
2549 unsigned int cols = GetOwner()->GetColumnCount();
2550 unsigned int col;
2551 int height = m_lineHeight;
2552 for (col = 0; col < cols; col++)
2553 {
2554 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2555 if (column->IsHidden())
2556 continue; // skip it!
2557
2558 if ((col != 0) &&
2559 model->IsContainer(item) &&
2560 !model->HasContainerColumns(item))
2561 continue; // skip it!
2562
2563 wxVariant value;
2564 model->GetValue( value, item, column->GetModelColumn() );
2565
2566 wxDataViewRenderer *renderer =
2567 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2568 renderer->SetValue( value );
2569 height = wxMax( height, renderer->GetSize().y );
2570 }
2571
2572 start += height;
2573 }
2574
2575 return start;
2576 }
2577 else
2578 {
2579 return row * m_lineHeight;
2580 }
2581 }
2582
2583 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2584 {
2585 const wxDataViewModel *model = GetOwner()->GetModel();
2586
2587 // check for the easy case first
2588 if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2589 return y / m_lineHeight;
2590
2591 // TODO make more efficient
2592 unsigned int row = 0;
2593 unsigned int yy = 0;
2594 for (;;)
2595 {
2596 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2597 if (!node)
2598 {
2599 // not really correct...
2600 return row + ((y-yy) / m_lineHeight);
2601 }
2602
2603 wxDataViewItem item = node->GetItem();
2604
2605 if (node && !node->HasChildren())
2606 {
2607 // Yes, if the node does not have any child, it must be a leaf which
2608 // mean that it is a temporarily created by GetTreeNodeByRow
2609 wxDELETE(node);
2610 }
2611
2612 unsigned int cols = GetOwner()->GetColumnCount();
2613 unsigned int col;
2614 int height = m_lineHeight;
2615 for (col = 0; col < cols; col++)
2616 {
2617 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2618 if (column->IsHidden())
2619 continue; // skip it!
2620
2621 if ((col != 0) &&
2622 model->IsContainer(item) &&
2623 !model->HasContainerColumns(item))
2624 continue; // skip it!
2625
2626 wxVariant value;
2627 model->GetValue( value, item, column->GetModelColumn() );
2628
2629 wxDataViewRenderer *renderer =
2630 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2631 renderer->SetValue( value );
2632 height = wxMax( height, renderer->GetSize().y );
2633 }
2634
2635 yy += height;
2636 if (y < yy)
2637 return row;
2638
2639 row++;
2640 }
2641 }
2642
2643 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2644 {
2645 const wxDataViewModel *model = GetOwner()->GetModel();
2646
2647 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2648 {
2649 wxASSERT( !IsVirtualList() );
2650
2651 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2652 // wxASSERT( node );
2653 if (!node) return m_lineHeight;
2654
2655 wxDataViewItem item = node->GetItem();
2656
2657 if (node && !node->HasChildren())
2658 {
2659 // Yes, if the node does not have any child, it must be a leaf which
2660 // mean that it is a temporarily created by GetTreeNodeByRow
2661 wxDELETE(node);
2662 }
2663
2664 int height = m_lineHeight;
2665
2666 unsigned int cols = GetOwner()->GetColumnCount();
2667 unsigned int col;
2668 for (col = 0; col < cols; col++)
2669 {
2670 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2671 if (column->IsHidden())
2672 continue; // skip it!
2673
2674 if ((col != 0) &&
2675 model->IsContainer(item) &&
2676 !model->HasContainerColumns(item))
2677 continue; // skip it!
2678
2679 wxVariant value;
2680 model->GetValue( value, item, column->GetModelColumn() );
2681
2682 wxDataViewRenderer *renderer =
2683 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2684 renderer->SetValue( value );
2685 height = wxMax( height, renderer->GetSize().y );
2686 }
2687
2688 return height;
2689 }
2690 else
2691 {
2692 return m_lineHeight;
2693 }
2694 }
2695
2696 class RowToItemJob: public DoJob
2697 {
2698 public:
2699 RowToItemJob( unsigned int row , int current )
2700 { this->row = row; this->current = current; }
2701 virtual ~RowToItemJob() {}
2702
2703 virtual int operator() ( wxDataViewTreeNode * node )
2704 {
2705 current ++;
2706 if( current == static_cast<int>(row))
2707 {
2708 ret = node->GetItem();
2709 return DoJob::OK;
2710 }
2711
2712 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2713 {
2714 current += node->GetSubTreeCount();
2715 return DoJob::IGR;
2716 }
2717 else
2718 {
2719 // If the current has no child node, we can find the desired item of the row
2720 // number directly.
2721 // This if can speed up finding in some case, and will has a very good effect
2722 // when it comes to list view
2723 if( node->GetNodes().GetCount() == 0)
2724 {
2725 int index = static_cast<int>(row) - current - 1;
2726 ret = node->GetChildren().Item( index );
2727 return DoJob::OK;
2728 }
2729 return DoJob::CONT;
2730 }
2731 }
2732
2733 virtual int operator() ( void * n )
2734 {
2735 current ++;
2736 if( current == static_cast<int>(row))
2737 {
2738 ret = wxDataViewItem( n );
2739 return DoJob::OK;
2740 }
2741 return DoJob::CONT;
2742 }
2743
2744 wxDataViewItem GetResult() const
2745 { return ret; }
2746
2747 private:
2748 unsigned int row;
2749 int current;
2750 wxDataViewItem ret;
2751 };
2752
2753 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2754 {
2755 if (IsVirtualList())
2756 {
2757 return wxDataViewItem( wxUIntToPtr(row+1) );
2758 }
2759 else
2760 {
2761 RowToItemJob job( row, -2 );
2762 Walker( m_root , job );
2763 return job.GetResult();
2764 }
2765 }
2766
2767 class RowToTreeNodeJob: public DoJob
2768 {
2769 public:
2770 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2771 {
2772 this->row = row;
2773 this->current = current;
2774 ret = NULL;
2775 parent = node;
2776 }
2777 virtual ~RowToTreeNodeJob(){ }
2778
2779 virtual int operator() ( wxDataViewTreeNode * node )
2780 {
2781 current ++;
2782 if( current == static_cast<int>(row))
2783 {
2784 ret = node;
2785 return DoJob::OK;
2786 }
2787
2788 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2789 {
2790 current += node->GetSubTreeCount();
2791 return DoJob::IGR;
2792 }
2793 else
2794 {
2795 parent = node;
2796
2797 // If the current node has no children, we can find the desired item of the
2798 // row number directly.
2799 // This if can speed up finding in some case, and will have a very good
2800 // effect for list views.
2801 if( node->GetNodes().GetCount() == 0)
2802 {
2803 int index = static_cast<int>(row) - current - 1;
2804 void * n = node->GetChildren().Item( index );
2805 ret = new wxDataViewTreeNode( parent );
2806 ret->SetItem( wxDataViewItem( n ));
2807 ret->SetHasChildren(false);
2808 return DoJob::OK;
2809 }
2810 return DoJob::CONT;
2811 }
2812 }
2813
2814 virtual int operator() ( void * n )
2815 {
2816 current ++;
2817 if( current == static_cast<int>(row))
2818 {
2819 ret = new wxDataViewTreeNode( parent );
2820 ret->SetItem( wxDataViewItem( n ));
2821 ret->SetHasChildren(false);
2822 return DoJob::OK;
2823 }
2824
2825 return DoJob::CONT;
2826 }
2827
2828 wxDataViewTreeNode * GetResult() const
2829 { return ret; }
2830
2831 private:
2832 unsigned int row;
2833 int current;
2834 wxDataViewTreeNode * ret;
2835 wxDataViewTreeNode * parent;
2836 };
2837
2838 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2839 {
2840 wxASSERT( !IsVirtualList() );
2841
2842 RowToTreeNodeJob job( row , -2, m_root );
2843 Walker( m_root , job );
2844 return job.GetResult();
2845 }
2846
2847 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2848 const wxDataViewItem & item )
2849 {
2850 wxWindow *parent = GetParent();
2851 wxDataViewEvent le(type, parent->GetId());
2852
2853 le.SetEventObject(parent);
2854 le.SetModel(GetOwner()->GetModel());
2855 le.SetItem( item );
2856
2857 parent->GetEventHandler()->ProcessEvent(le);
2858 return le;
2859 }
2860
2861 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2862 {
2863 if (IsVirtualList())
2864 return false;
2865
2866 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2867 if (!node)
2868 return false;
2869
2870 if (!node->HasChildren())
2871 {
2872 delete node;
2873 return false;
2874 }
2875
2876 return node->IsOpen();
2877 }
2878
2879 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2880 {
2881 if (IsVirtualList())
2882 return false;
2883
2884 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2885 if (!node)
2886 return false;
2887
2888 if (!node->HasChildren())
2889 {
2890 delete node;
2891 return false;
2892 }
2893
2894 return true;
2895 }
2896
2897 void wxDataViewMainWindow::Expand( unsigned int row )
2898 {
2899 if (IsVirtualList())
2900 return;
2901
2902 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2903 if (!node)
2904 return;
2905
2906 if (!node->HasChildren())
2907 {
2908 delete node;
2909 return;
2910 }
2911
2912 if (!node->IsOpen())
2913 {
2914 wxDataViewEvent e =
2915 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2916
2917 // Check if the user prevent expanding
2918 if( e.GetSkipped() )
2919 return;
2920
2921 node->ToggleOpen();
2922
2923 // build the children of current node
2924 if( node->GetChildrenNumber() == 0 )
2925 {
2926 SortPrepare();
2927 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2928 }
2929
2930 // By expanding the node all row indices that are currently in the selection list
2931 // and are greater than our node have become invalid. So we have to correct that now.
2932 const unsigned rowAdjustment = node->GetSubTreeCount();
2933 for(unsigned i=0; i<m_selection.size(); ++i)
2934 {
2935 const unsigned testRow = m_selection[i];
2936 // all rows above us are not affected, so skip them
2937 if(testRow <= row)
2938 continue;
2939
2940 m_selection[i] += rowAdjustment;
2941 }
2942
2943 if(m_currentRow > row)
2944 ChangeCurrentRow(m_currentRow + rowAdjustment);
2945
2946 m_count = -1;
2947 UpdateDisplay();
2948 // Send the expanded event
2949 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2950 }
2951 }
2952
2953 void wxDataViewMainWindow::Collapse(unsigned int row)
2954 {
2955 if (IsVirtualList())
2956 return;
2957
2958 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2959 if (!node)
2960 return;
2961
2962 if (!node->HasChildren())
2963 {
2964 delete node;
2965 return;
2966 }
2967
2968 if (node->IsOpen())
2969 {
2970 wxDataViewEvent e =
2971 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2972 if( e.GetSkipped() )
2973 return;
2974
2975 // Find out if there are selected items below the current node.
2976 bool selectCollapsingRow = false;
2977 const unsigned rowAdjustment = node->GetSubTreeCount();
2978 unsigned maxRowToBeTested = row + rowAdjustment;
2979 for(unsigned i=0; i<m_selection.size(); ++i)
2980 {
2981 const unsigned testRow = m_selection[i];
2982 if(testRow > row && testRow <= maxRowToBeTested)
2983 {
2984 selectCollapsingRow = true;
2985 // get out as soon as we have found a node that is selected
2986 break;
2987 }
2988 }
2989
2990 node->ToggleOpen();
2991
2992 // If the node to be closed has selected items the user won't see those any longer.
2993 // We select the collapsing node in this case.
2994 if(selectCollapsingRow)
2995 {
2996 SelectAllRows(false);
2997 ChangeCurrentRow(row);
2998 SelectRow(row, true);
2999 SendSelectionChangedEvent(GetItemByRow(row));
3000 }
3001 else
3002 {
3003 // if there were no selected items below our node we still need to "fix" the
3004 // selection list to adjust for the changing of the row indices.
3005 // We actually do the opposite of what we are doing in Expand().
3006 for(unsigned i=0; i<m_selection.size(); ++i)
3007 {
3008 const unsigned testRow = m_selection[i];
3009 // all rows above us are not affected, so skip them
3010 if(testRow <= row)
3011 continue;
3012
3013 m_selection[i] -= rowAdjustment;
3014 }
3015
3016 // if the "current row" is being collapsed away we change it to the current row ;-)
3017 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3018 ChangeCurrentRow(row);
3019 else if(m_currentRow > row)
3020 ChangeCurrentRow(m_currentRow - rowAdjustment);
3021 }
3022
3023 m_count = -1;
3024 UpdateDisplay();
3025 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3026 }
3027 }
3028
3029 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3030 {
3031 wxDataViewModel * model = GetOwner()->GetModel();
3032 if( model == NULL )
3033 return NULL;
3034
3035 if (!item.IsOk())
3036 return m_root;
3037
3038 // Compose the a parent-chain of the finding item
3039 ItemList list;
3040 list.DeleteContents( true );
3041 wxDataViewItem it( item );
3042 while( it.IsOk() )
3043 {
3044 wxDataViewItem * pItem = new wxDataViewItem( it );
3045 list.Insert( pItem );
3046 it = model->GetParent( it );
3047 }
3048
3049 // Find the item along the parent-chain.
3050 // This algorithm is designed to speed up the node-finding method
3051 wxDataViewTreeNode * node = m_root;
3052 for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3053 {
3054 if( node->HasChildren() )
3055 {
3056 if( node->GetChildrenNumber() == 0 )
3057 {
3058 SortPrepare();
3059 ::BuildTreeHelper(model, node->GetItem(), node);
3060 }
3061
3062 wxDataViewTreeNodes nodes = node->GetNodes();
3063 unsigned int i;
3064 bool found = false;
3065
3066 for (i = 0; i < nodes.GetCount(); i ++)
3067 {
3068 if (nodes[i]->GetItem() == (**iter))
3069 {
3070 if (nodes[i]->GetItem() == item)
3071 return nodes[i];
3072
3073 node = nodes[i];
3074 found = true;
3075 break;
3076 }
3077 }
3078 if (!found)
3079 return NULL;
3080 }
3081 else
3082 return NULL;
3083 }
3084 return NULL;
3085 }
3086
3087 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3088 wxDataViewColumn* &column )
3089 {
3090 wxDataViewColumn *col = NULL;
3091 unsigned int cols = GetOwner()->GetColumnCount();
3092 unsigned int colnum = 0;
3093 int x, y;
3094 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3095 for (unsigned x_start = 0; colnum < cols; colnum++)
3096 {
3097 col = GetOwner()->GetColumnAt(colnum);
3098 if (col->IsHidden())
3099 continue; // skip it!
3100
3101 unsigned int w = col->GetWidth();
3102 if (x_start+w >= (unsigned int)x)
3103 break;
3104
3105 x_start += w;
3106 }
3107
3108 column = col;
3109 item = GetItemByRow( GetLineAt( y ) );
3110 }
3111
3112 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3113 const wxDataViewColumn* column )
3114 {
3115 int xpos = 0;
3116 int width = 0;
3117
3118 unsigned int cols = GetOwner()->GetColumnCount();
3119 // If column is null the loop will compute the combined width of all columns.
3120 // Otherwise, it will compute the x position of the column we are looking for.
3121 for (unsigned int i = 0; i < cols; i++)
3122 {
3123 wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3124
3125 if (col == column)
3126 break;
3127
3128 if (col->IsHidden())
3129 continue; // skip it!
3130
3131 xpos += col->GetWidth();
3132 width += col->GetWidth();
3133 }
3134
3135 if(column != 0)
3136 {
3137 // If we have a column, we need can get its width directly.
3138 if(column->IsHidden())
3139 width = 0;
3140 else
3141 width = column->GetWidth();
3142
3143 }
3144 else
3145 {
3146 // If we have no column, we reset the x position back to zero.
3147 xpos = 0;
3148 }
3149
3150 // we have to take an expander column into account and compute its indentation
3151 // to get the correct x position where the actual text is
3152 int indent = 0;
3153 int row = GetRowByItem(item);
3154 if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3155 {
3156 wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3157 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3158 indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3159
3160 if(!node->HasChildren())
3161 delete node;
3162 }
3163
3164 wxRect itemRect( xpos + indent,
3165 GetLineStart( row ),
3166 width - indent,
3167 GetLineHeight( row ) );
3168
3169 GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
3170 &itemRect.x, &itemRect.y );
3171
3172 return itemRect;
3173 }
3174
3175 int wxDataViewMainWindow::RecalculateCount()
3176 {
3177 if (IsVirtualList())
3178 {
3179 wxDataViewVirtualListModel *list_model =
3180 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3181
3182 return list_model->GetCount();
3183 }
3184 else
3185 {
3186 return m_root->GetSubTreeCount();
3187 }
3188 }
3189
3190 class ItemToRowJob : public DoJob
3191 {
3192 public:
3193 ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3194 : m_iter(iter),
3195 item(item_)
3196 {
3197 ret = -1;
3198 }
3199
3200 // Maybe binary search will help to speed up this process
3201 virtual int operator() ( wxDataViewTreeNode * node)
3202 {
3203 ret ++;
3204 if( node->GetItem() == item )
3205 {
3206 return DoJob::OK;
3207 }
3208
3209 if( node->GetItem() == **m_iter )
3210 {
3211 m_iter++;
3212 return DoJob::CONT;
3213 }
3214 else
3215 {
3216 ret += node->GetSubTreeCount();
3217 return DoJob::IGR;
3218 }
3219
3220 }
3221
3222 virtual int operator() ( void * n )
3223 {
3224 ret ++;
3225 if( n == item.GetID() )
3226 return DoJob::OK;
3227 return DoJob::CONT;
3228 }
3229
3230 // the row number is begin from zero
3231 int GetResult() const
3232 { return ret -1; }
3233
3234 private:
3235 ItemList::const_iterator m_iter;
3236 wxDataViewItem item;
3237 int ret;
3238
3239 };
3240
3241 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3242 {
3243 const wxDataViewModel * model = GetOwner()->GetModel();
3244 if( model == NULL )
3245 return -1;
3246
3247 if (IsVirtualList())
3248 {
3249 return wxPtrToUInt( item.GetID() ) -1;
3250 }
3251 else
3252 {
3253 if( !item.IsOk() )
3254 return -1;
3255
3256 // Compose the a parent-chain of the finding item
3257 ItemList list;
3258 wxDataViewItem * pItem;
3259 list.DeleteContents( true );
3260 wxDataViewItem it( item );
3261 while( it.IsOk() )
3262 {
3263 pItem = new wxDataViewItem( it );
3264 list.Insert( pItem );
3265 it = model->GetParent( it );
3266 }
3267 pItem = new wxDataViewItem( );
3268 list.Insert( pItem );
3269
3270 ItemToRowJob job( item, list.begin() );
3271 Walker(m_root , job );
3272 return job.GetResult();
3273 }
3274 }
3275
3276 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
3277 wxDataViewTreeNode * node)
3278 {
3279 if( !model->IsContainer( item ) )
3280 return;
3281
3282 wxDataViewItemArray children;
3283 unsigned int num = model->GetChildren( item, children);
3284
3285 unsigned int index = 0;
3286 while( index < num )
3287 {
3288 if( model->IsContainer( children[index] ) )
3289 {
3290 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3291 n->SetItem(children[index]);
3292 n->SetHasChildren( true );
3293 node->AddNode( n );
3294 }
3295 else
3296 {
3297 node->AddLeaf( children[index].GetID() );
3298 }
3299 index ++;
3300 }
3301 node->SetSubTreeCount( num );
3302 wxDataViewTreeNode * n = node->GetParent();
3303 if( n != NULL)
3304 n->ChangeSubTreeCount(num);
3305
3306 }
3307
3308 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3309 {
3310 DestroyTree();
3311
3312 if (GetOwner()->GetModel()->IsVirtualListModel())
3313 {
3314 m_count = -1;
3315 return;
3316 }
3317
3318 m_root = new wxDataViewTreeNode( NULL );
3319 m_root->SetHasChildren(true);
3320
3321 // First we define a invalid item to fetch the top-level elements
3322 wxDataViewItem item;
3323 SortPrepare();
3324 BuildTreeHelper( model, item, m_root);
3325 m_count = -1;
3326 }
3327
3328 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3329 {
3330 if( node->GetNodeNumber() != 0 )
3331 {
3332 int len = node->GetNodeNumber();
3333 wxDataViewTreeNodes& nodes = node->GetNodes();
3334 for (int i = 0; i < len; i++)
3335 DestroyTreeHelper(nodes[i]);
3336 }
3337 delete node;
3338 }
3339
3340 void wxDataViewMainWindow::DestroyTree()
3341 {
3342 if (!IsVirtualList())
3343 {
3344 ::DestroyTreeHelper(m_root);
3345 m_count = 0;
3346 m_root = NULL;
3347 }
3348 }
3349
3350 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3351 {
3352 if ( GetParent()->HandleAsNavigationKey(event) )
3353 return;
3354
3355 // no item -> nothing to do
3356 if (!HasCurrentRow())
3357 {
3358 event.Skip();
3359 return;
3360 }
3361
3362 // don't use m_linesPerPage directly as it might not be computed yet
3363 const int pageSize = GetCountPerPage();
3364 wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3365
3366 switch ( event.GetKeyCode() )
3367 {
3368 case WXK_RETURN:
3369 {
3370 wxWindow *parent = GetParent();
3371 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3372 parent->GetId());
3373 le.SetItem( GetItemByRow(m_currentRow) );
3374 le.SetEventObject(parent);
3375 le.SetModel(GetOwner()->GetModel());
3376
3377 parent->GetEventHandler()->ProcessEvent(le);
3378 }
3379 break;
3380
3381 case WXK_UP:
3382 if ( m_currentRow > 0 )
3383 OnArrowChar( m_currentRow - 1, event );
3384 break;
3385
3386 case WXK_DOWN:
3387 if ( m_currentRow < GetRowCount() - 1 )
3388 OnArrowChar( m_currentRow + 1, event );
3389 break;
3390 // Add the process for tree expanding/collapsing
3391 case WXK_LEFT:
3392 {
3393 if (IsVirtualList())
3394 break;
3395
3396 wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3397 if (!node)
3398 break;
3399
3400 if (node->HasChildren() && node->IsOpen())
3401 {
3402 Collapse(m_currentRow);
3403 }
3404 else // if the node is already closed we move the selection to its parent
3405 {
3406 wxDataViewTreeNode *parent_node = node->GetParent();
3407
3408 if(!node->HasChildren())
3409 delete node;
3410
3411 if (parent_node)
3412 {
3413 int parent = GetRowByItem( parent_node->GetItem() );
3414 if ( parent >= 0 )
3415 {
3416 unsigned int row = m_currentRow;
3417 SelectRow( row, false);
3418 SelectRow( parent, true );
3419 ChangeCurrentRow( parent );
3420 GetOwner()->EnsureVisible( parent, -1 );
3421 SendSelectionChangedEvent( parent_node->GetItem() );
3422 }
3423 }
3424 }
3425 break;
3426 }
3427 case WXK_RIGHT:
3428 {
3429 if (!IsExpanded( m_currentRow ))
3430 Expand( m_currentRow );
3431 else
3432 {
3433 unsigned int row = m_currentRow;
3434 SelectRow( row, false );
3435 SelectRow( row + 1, true );
3436 ChangeCurrentRow( row + 1 );
3437 GetOwner()->EnsureVisible( row + 1, -1 );
3438 SendSelectionChangedEvent( GetItemByRow(row+1) );
3439 }
3440 break;
3441 }
3442 case WXK_END:
3443 {
3444 if (!IsEmpty())
3445 OnArrowChar( GetRowCount() - 1, event );
3446 break;
3447 }
3448 case WXK_HOME:
3449 if (!IsEmpty())
3450 OnArrowChar( 0, event );
3451 break;
3452
3453 case WXK_PAGEUP:
3454 {
3455 int steps = pageSize - 1;
3456 int index = m_currentRow - steps;
3457 if (index < 0)
3458 index = 0;
3459
3460 OnArrowChar( index, event );
3461 }
3462 break;
3463
3464 case WXK_PAGEDOWN:
3465 {
3466 int steps = pageSize - 1;
3467 unsigned int index = m_currentRow + steps;
3468 unsigned int count = GetRowCount();
3469 if ( index >= count )
3470 index = count - 1;
3471
3472 OnArrowChar( index, event );
3473 }
3474 break;
3475
3476 case WXK_F2:
3477 {
3478 if(m_selection.size() == 1)
3479 {
3480 // TODO: we need to revise that when we have a concept for a 'current column'
3481 GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3482 }
3483 }
3484 break;
3485
3486 default:
3487 event.Skip();
3488 }
3489 }
3490
3491 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3492 {
3493 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3494 {
3495 // let the base handle mouse wheel events.
3496 event.Skip();
3497 return;
3498 }
3499
3500 int x = event.GetX();
3501 int y = event.GetY();
3502 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3503 wxDataViewColumn *col = NULL;
3504
3505 int xpos = 0;
3506 unsigned int cols = GetOwner()->GetColumnCount();
3507 unsigned int i;
3508 for (i = 0; i < cols; i++)
3509 {
3510 wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3511 if (c->IsHidden())
3512 continue; // skip it!
3513
3514 if (x < xpos + c->GetWidth())
3515 {
3516 col = c;
3517 break;
3518 }
3519 xpos += c->GetWidth();
3520 }
3521 if (!col)
3522 return;
3523
3524 wxDataViewRenderer *cell = col->GetRenderer();
3525 unsigned int current = GetLineAt( y );
3526 if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3527 {
3528 // Unselect all if below the last row ?
3529 return;
3530 }
3531
3532 // Test whether the mouse is hovered on the tree item button
3533 bool hoverOverExpander = false;
3534 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3535 {
3536 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3537 if( node!=NULL && node->HasChildren() )
3538 {
3539 int indent = node->GetIndentLevel();
3540 indent = GetOwner()->GetIndent()*indent;
3541
3542 // we make the rectangle we are looking in a bit bigger than the actual
3543 // visual expander so the user can hit that little thing reliably
3544 wxRect rect( xpos + indent,
3545 GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3546 m_lineHeight, m_lineHeight);
3547 if( rect.Contains(x, y) )
3548 {
3549 // So the mouse is over the expander
3550 hoverOverExpander = true;
3551 if (m_underMouse && m_underMouse != node)
3552 {
3553 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3554 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3555 }
3556 if (m_underMouse != node)
3557 {
3558 // wxLogMessage("Do the row: %d", current);
3559 RefreshRow(current);
3560 }
3561 m_underMouse = node;
3562 }
3563 }
3564 if (node!=NULL && !node->HasChildren())
3565 delete node;
3566 }
3567 if (!hoverOverExpander)
3568 {
3569 if (m_underMouse != NULL)
3570 {
3571 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3572 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3573 m_underMouse = NULL;
3574 }
3575 }
3576
3577 wxDataViewModel *model = GetOwner()->GetModel();
3578
3579 #if wxUSE_DRAG_AND_DROP
3580 if (event.Dragging())
3581 {
3582 if (m_dragCount == 0)
3583 {
3584 // we have to report the raw, physical coords as we want to be
3585 // able to call HitTest(event.m_pointDrag) from the user code to
3586 // get the item being dragged
3587 m_dragStart = event.GetPosition();
3588 }
3589
3590 m_dragCount++;
3591
3592 if (m_dragCount != 3)
3593 return;
3594
3595 if (event.LeftIsDown())
3596 {
3597 m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3598 &m_dragStart.x, &m_dragStart.y );
3599 unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3600 wxDataViewItem item = GetItemByRow( drag_item_row );
3601
3602 // Notify cell about drag
3603 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3604 event.SetEventObject( m_owner );
3605 event.SetItem( item );
3606 event.SetModel( model );
3607 if (!m_owner->HandleWindowEvent( event ))
3608 return;
3609
3610 if (!event.IsAllowed())
3611 return;
3612
3613 wxDataObject *obj = event.GetDataObject();
3614 if (!obj)
3615 return;
3616
3617 wxDataViewDropSource drag( this, drag_item_row );
3618 drag.SetData( *obj );
3619 /* wxDragResult res = */ drag.DoDragDrop();
3620 delete obj;
3621 }
3622 return;
3623 }
3624 else
3625 {
3626 m_dragCount = 0;
3627 }
3628 #endif // wxUSE_DRAG_AND_DROP
3629
3630 bool simulateClick = false;
3631
3632 if (event.ButtonDClick())
3633 {
3634 m_renameTimer->Stop();
3635 m_lastOnSame = false;
3636 }
3637
3638 wxDataViewItem item = GetItemByRow(current);
3639 bool ignore_other_columns =
3640 ((GetOwner()->GetExpanderColumn() != col) &&
3641 (model->IsContainer(item)) &&
3642 (!model->HasContainerColumns(item)));
3643
3644 if (event.LeftDClick())
3645 {
3646 if(hoverOverExpander)
3647 {
3648 // a double click on the expander will be converted into a "simulated" normal click
3649 simulateClick = true;
3650 }
3651 else if ( current == m_lineLastClicked )
3652 {
3653 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3654 {
3655 wxVariant value;
3656 model->GetValue( value, item, col->GetModelColumn() );
3657 cell->SetValue( value );
3658 wxRect cell_rect( xpos, GetLineStart( current ),
3659 col->GetWidth(), GetLineHeight( current ) );
3660 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3661 }
3662 else
3663 {
3664 wxWindow *parent = GetParent();
3665 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3666 le.SetItem( item );
3667 le.SetEventObject(parent);
3668 le.SetModel(GetOwner()->GetModel());
3669
3670 parent->GetEventHandler()->ProcessEvent(le);
3671 }
3672 return;
3673 }
3674 else
3675 {
3676 // The first click was on another item, so don't interpret this as
3677 // a double click, but as a simple click instead
3678 simulateClick = true;
3679 }
3680 }
3681
3682 if (event.LeftUp() && !hoverOverExpander)
3683 {
3684 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3685 {
3686 // select single line
3687 SelectAllRows( false );
3688 SelectRow( m_lineSelectSingleOnUp, true );
3689 SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3690 }
3691
3692 // If the user click the expander, we do not do editing even if the column
3693 // with expander are editable
3694 if (m_lastOnSame && !ignore_other_columns)
3695 {
3696 if ((col == m_currentCol) && (current == m_currentRow) &&
3697 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3698 {
3699 m_renameTimer->Start( 100, true );
3700 }
3701 }
3702
3703 m_lastOnSame = false;
3704 m_lineSelectSingleOnUp = (unsigned int)-1;
3705 }
3706 else if(!event.LeftUp())
3707 {
3708 // This is necessary, because after a DnD operation in
3709 // from and to ourself, the up event is swallowed by the
3710 // DnD code. So on next non-up event (which means here and
3711 // now) m_lineSelectSingleOnUp should be reset.
3712 m_lineSelectSingleOnUp = (unsigned int)-1;
3713 }
3714
3715 if (event.RightDown())
3716 {
3717 m_lineBeforeLastClicked = m_lineLastClicked;
3718 m_lineLastClicked = current;
3719
3720 // If the item is already selected, do not update the selection.
3721 // Multi-selections should not be cleared if a selected item is clicked.
3722 if (!IsRowSelected(current))
3723 {
3724 SelectAllRows(false);
3725 ChangeCurrentRow(current);
3726 SelectRow(m_currentRow,true);
3727 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3728 }
3729 }
3730 else if (event.RightUp())
3731 {
3732 wxVariant value;
3733 model->GetValue( value, item, col->GetModelColumn() );
3734 wxWindow *parent = GetParent();
3735 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3736 le.SetItem( item );
3737 le.SetEventObject(parent);
3738 le.SetModel(GetOwner()->GetModel());
3739 le.SetValue(value);
3740 parent->GetEventHandler()->ProcessEvent(le);
3741 }
3742 else if (event.MiddleDown())
3743 {
3744 }
3745
3746 if((event.LeftDown() || simulateClick) && hoverOverExpander)
3747 {
3748 wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3749
3750 // hoverOverExpander being true tells us that our node must be
3751 // valid and have children.
3752 // So we don't need any extra checks.
3753 if( node->IsOpen() )
3754 Collapse(current);
3755 else
3756 Expand(current);
3757 }
3758 else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3759 {
3760 SetFocus();
3761
3762 m_lineBeforeLastClicked = m_lineLastClicked;
3763 m_lineLastClicked = current;
3764
3765 unsigned int oldCurrentRow = m_currentRow;
3766 bool oldWasSelected = IsRowSelected(m_currentRow);
3767
3768 bool cmdModifierDown = event.CmdDown();
3769 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3770 {
3771 if ( IsSingleSel() || !IsRowSelected(current) )
3772 {
3773 SelectAllRows( false );
3774 ChangeCurrentRow(current);
3775 SelectRow(m_currentRow,true);
3776 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3777 }
3778 else // multi sel & current is highlighted & no mod keys
3779 {
3780 m_lineSelectSingleOnUp = current;
3781 ChangeCurrentRow(current); // change focus
3782 }
3783 }
3784 else // multi sel & either ctrl or shift is down
3785 {
3786 if (cmdModifierDown)
3787 {
3788 ChangeCurrentRow(current);
3789 ReverseRowSelection(m_currentRow);
3790 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3791 }
3792 else if (event.ShiftDown())
3793 {
3794 ChangeCurrentRow(current);
3795
3796 unsigned int lineFrom = oldCurrentRow,
3797 lineTo = current;
3798
3799 if ( lineTo < lineFrom )
3800 {
3801 lineTo = lineFrom;
3802 lineFrom = m_currentRow;
3803 }
3804
3805 SelectRows(lineFrom, lineTo, true);
3806 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3807 }
3808 else // !ctrl, !shift
3809 {
3810 // test in the enclosing if should make it impossible
3811 wxFAIL_MSG( wxT("how did we get here?") );
3812 }
3813 }
3814
3815 if (m_currentRow != oldCurrentRow)
3816 RefreshRow( oldCurrentRow );
3817
3818 wxDataViewColumn *oldCurrentCol = m_currentCol;
3819
3820 // Update selection here...
3821 m_currentCol = col;
3822
3823 m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3824 (current == oldCurrentRow)) && oldWasSelected;
3825
3826 // Call LeftClick after everything else as under GTK+
3827 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3828 {
3829 // notify cell about right click
3830 wxVariant value;
3831 model->GetValue( value, item, col->GetModelColumn() );
3832 cell->SetValue( value );
3833 wxRect cell_rect( xpos, GetLineStart( current ),
3834 col->GetWidth(), GetLineHeight( current ) );
3835 /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3836 model, item, col->GetModelColumn());
3837 }
3838 }
3839 }
3840
3841 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3842 {
3843 m_hasFocus = true;
3844
3845 if (HasCurrentRow())
3846 Refresh();
3847
3848 event.Skip();
3849 }
3850
3851 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3852 {
3853 m_hasFocus = false;
3854
3855 if (HasCurrentRow())
3856 Refresh();
3857
3858 event.Skip();
3859 }
3860
3861 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3862 {
3863 if( m_selection.GetCount() != 1 )
3864 return wxDataViewItem();
3865
3866 return GetItemByRow( m_selection.Item(0));
3867 }
3868
3869 //-----------------------------------------------------------------------------
3870 // wxDataViewCtrl
3871 //-----------------------------------------------------------------------------
3872
3873 WX_DEFINE_LIST(wxDataViewColumnList)
3874
3875 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3876 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3877 EVT_SIZE(wxDataViewCtrl::OnSize)
3878 END_EVENT_TABLE()
3879
3880 wxDataViewCtrl::~wxDataViewCtrl()
3881 {
3882 if (m_notifier)
3883 GetModel()->RemoveNotifier( m_notifier );
3884
3885 m_cols.Clear();
3886 }
3887
3888 void wxDataViewCtrl::Init()
3889 {
3890 m_cols.DeleteContents(true);
3891 m_notifier = NULL;
3892
3893 // No sorting column at start
3894 m_sortingColumnIdx = wxNOT_FOUND;
3895
3896 m_headerArea = NULL;
3897 }
3898
3899 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3900 const wxPoint& pos, const wxSize& size,
3901 long style, const wxValidator& validator )
3902 {
3903 // if ( (style & wxBORDER_MASK) == 0)
3904 // style |= wxBORDER_SUNKEN;
3905
3906 Init();
3907
3908 if (!wxControl::Create( parent, id, pos, size,
3909 style | wxScrolledWindowStyle, validator))
3910 return false;
3911
3912 SetInitialSize(size);
3913
3914 #ifdef __WXMAC__
3915 MacSetClipChildren( true );
3916 #endif
3917
3918 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3919
3920 if (HasFlag(wxDV_NO_HEADER))
3921 m_headerArea = NULL;
3922 else
3923 m_headerArea = new wxDataViewHeaderWindow(this);
3924
3925 SetTargetWindow( m_clientArea );
3926
3927 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3928 if (m_headerArea)
3929 sizer->Add( m_headerArea, 0, wxGROW );
3930 sizer->Add( m_clientArea, 1, wxGROW );
3931 SetSizer( sizer );
3932
3933 return true;
3934 }
3935
3936 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3937 {
3938 return wxBORDER_THEME;
3939 }
3940
3941 #ifdef __WXMSW__
3942 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3943 WXWPARAM wParam,
3944 WXLPARAM lParam)
3945 {
3946 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3947
3948 #ifndef __WXWINCE__
3949 // we need to process arrows ourselves for scrolling
3950 if ( nMsg == WM_GETDLGCODE )
3951 {
3952 rc |= DLGC_WANTARROWS;
3953 }
3954 #endif
3955
3956 return rc;
3957 }
3958 #endif
3959
3960 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3961 {
3962 wxSize newsize = size;
3963 if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3964 newsize.y -= m_headerArea->GetSize().y;
3965
3966 return newsize;
3967 }
3968
3969 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3970 {
3971 // We need to override OnSize so that our scrolled
3972 // window a) does call Layout() to use sizers for
3973 // positioning the controls but b) does not query
3974 // the sizer for their size and use that for setting
3975 // the scrollable area as set that ourselves by
3976 // calling SetScrollbar() further down.
3977
3978 Layout();
3979
3980 AdjustScrollbars();
3981 }
3982
3983 void wxDataViewCtrl::SetFocus()
3984 {
3985 if (m_clientArea)
3986 m_clientArea->SetFocus();
3987 }
3988
3989 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3990 {
3991 if (!wxDataViewCtrlBase::AssociateModel( model ))
3992 return false;
3993
3994 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3995
3996 model->AddNotifier( m_notifier );
3997
3998 m_clientArea->DestroyTree();
3999
4000 m_clientArea->BuildTree(model);
4001
4002 m_clientArea->UpdateDisplay();
4003
4004 return true;
4005 }
4006
4007 #if wxUSE_DRAG_AND_DROP
4008
4009 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4010 {
4011 return m_clientArea->EnableDragSource( format );
4012 }
4013
4014 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4015 {
4016 return m_clientArea->EnableDropTarget( format );
4017 }
4018
4019 #endif // wxUSE_DRAG_AND_DROP
4020
4021 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4022 {
4023 if (!wxDataViewCtrlBase::AppendColumn(col))
4024 return false;
4025
4026 m_cols.Append( col );
4027 OnColumnsCountChanged();
4028 return true;
4029 }
4030
4031 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4032 {
4033 if (!wxDataViewCtrlBase::PrependColumn(col))
4034 return false;
4035
4036 m_cols.Insert( col );
4037 OnColumnsCountChanged();
4038 return true;
4039 }
4040
4041 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4042 {
4043 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4044 return false;
4045
4046 m_cols.Insert( pos, col );
4047 OnColumnsCountChanged();
4048 return true;
4049 }
4050
4051 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4052 {
4053 if ( m_headerArea )
4054 m_headerArea->UpdateColumn(idx);
4055
4056 m_clientArea->UpdateDisplay();
4057 }
4058
4059 void wxDataViewCtrl::OnColumnsCountChanged()
4060 {
4061 if (m_headerArea)
4062 m_headerArea->SetColumnCount(GetColumnCount());
4063
4064 m_clientArea->UpdateDisplay();
4065 }
4066
4067 void wxDataViewCtrl::DoSetExpanderColumn()
4068 {
4069 m_clientArea->UpdateDisplay();
4070 }
4071
4072 void wxDataViewCtrl::DoSetIndent()
4073 {
4074 m_clientArea->UpdateDisplay();
4075 }
4076
4077 unsigned int wxDataViewCtrl::GetColumnCount() const
4078 {
4079 return m_cols.GetCount();
4080 }
4081
4082 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4083 {
4084 return m_cols[idx];
4085 }
4086
4087 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4088 {
4089 // columns can't be reordered if there is no header window which allows
4090 // to do this
4091 const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4092 : pos;
4093
4094 return GetColumn(idx);
4095 }
4096
4097 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4098 {
4099 const unsigned count = m_cols.size();
4100 for ( unsigned n = 0; n < count; n++ )
4101 {
4102 if ( m_cols[n] == column )
4103 return n;
4104 }
4105
4106 return wxNOT_FOUND;
4107 }
4108
4109 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4110 unsigned int WXUNUSED(new_pos))
4111 {
4112 // do _not_ reorder m_cols elements here, they should always be in the
4113 // order in which columns were added, we only display the columns in
4114 // different order
4115 m_clientArea->UpdateDisplay();
4116 }
4117
4118 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4119 {
4120 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4121 if (!ret)
4122 return false;
4123
4124 m_cols.Erase(ret);
4125 OnColumnsCountChanged();
4126
4127 return true;
4128 }
4129
4130 bool wxDataViewCtrl::ClearColumns()
4131 {
4132 m_cols.Clear();
4133 OnColumnsCountChanged();
4134 return true;
4135 }
4136
4137 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4138 {
4139 int ret = 0,
4140 dummy = 0;
4141 unsigned int len = GetColumnCount();
4142 for ( unsigned int i = 0; i < len; i++ )
4143 {
4144 wxDataViewColumn * col = GetColumnAt(i);
4145 if (col->IsHidden())
4146 continue;
4147 ret += col->GetWidth();
4148 if (column==col)
4149 {
4150 CalcScrolledPosition( ret, dummy, &ret, &dummy );
4151 break;
4152 }
4153 }
4154 return ret;
4155 }
4156
4157 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4158 {
4159 return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4160 : GetColumn(m_sortingColumnIdx);
4161 }
4162
4163 // Selection code with wxDataViewItem as parameters
4164 wxDataViewItem wxDataViewCtrl::GetSelection() const
4165 {
4166 return m_clientArea->GetSelection();
4167 }
4168
4169 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4170 {
4171 sel.Empty();
4172 wxDataViewSelection selection = m_clientArea->GetSelections();
4173 int len = selection.GetCount();
4174 for( int i = 0; i < len; i ++)
4175 {
4176 unsigned int row = selection[i];
4177 sel.Add( m_clientArea->GetItemByRow( row ) );
4178 }
4179 return len;
4180 }
4181
4182 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4183 {
4184 wxDataViewSelection selection(wxDataViewSelectionCmp);
4185
4186 wxDataViewItem last_parent;
4187
4188 int len = sel.GetCount();
4189 for( int i = 0; i < len; i ++ )
4190 {
4191 wxDataViewItem item = sel[i];
4192 wxDataViewItem parent = GetModel()->GetParent( item );
4193 if (parent)
4194 {
4195 if (parent != last_parent)
4196 ExpandAncestors(item);
4197 }
4198
4199 last_parent = parent;
4200 int row = m_clientArea->GetRowByItem( item );
4201 if( row >= 0 )
4202 selection.Add( static_cast<unsigned int>(row) );
4203 }
4204
4205 m_clientArea->SetSelections( selection );
4206 }
4207
4208 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4209 {
4210 ExpandAncestors( item );
4211
4212 int row = m_clientArea->GetRowByItem( item );
4213 if( row >= 0 )
4214 {
4215 // Unselect all rows before select another in the single select mode
4216 if (m_clientArea->IsSingleSel())
4217 m_clientArea->SelectAllRows(false);
4218 m_clientArea->SelectRow(row, true);
4219 }
4220 }
4221
4222 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4223 {
4224 int row = m_clientArea->GetRowByItem( item );
4225 if( row >= 0 )
4226 m_clientArea->SelectRow(row, false);
4227 }
4228
4229 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4230 {
4231 int row = m_clientArea->GetRowByItem( item );
4232 if( row >= 0 )
4233 {
4234 return m_clientArea->IsRowSelected(row);
4235 }
4236 return false;
4237 }
4238
4239 // Selection code with row number as parameter
4240 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4241 {
4242 sel.Empty();
4243 wxDataViewSelection selection = m_clientArea->GetSelections();
4244 int len = selection.GetCount();
4245 for( int i = 0; i < len; i ++)
4246 {
4247 unsigned int row = selection[i];
4248 sel.Add( row );
4249 }
4250 return len;
4251 }
4252
4253 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4254 {
4255 wxDataViewSelection selection(wxDataViewSelectionCmp);
4256 int len = sel.GetCount();
4257 for( int i = 0; i < len; i ++ )
4258 {
4259 int row = sel[i];
4260 if( row >= 0 )
4261 selection.Add( static_cast<unsigned int>(row) );
4262 }
4263 m_clientArea->SetSelections( selection );
4264 }
4265
4266 void wxDataViewCtrl::Select( int row )
4267 {
4268 if( row >= 0 )
4269 {
4270 if (m_clientArea->IsSingleSel())
4271 m_clientArea->SelectAllRows(false);
4272 m_clientArea->SelectRow( row, true );
4273 }
4274 }
4275
4276 void wxDataViewCtrl::Unselect( int row )
4277 {
4278 if( row >= 0 )
4279 m_clientArea->SelectRow(row, false);
4280 }
4281
4282 bool wxDataViewCtrl::IsSelected( int row ) const
4283 {
4284 if( row >= 0 )
4285 return m_clientArea->IsRowSelected(row);
4286 return false;
4287 }
4288
4289 void wxDataViewCtrl::SelectRange( int from, int to )
4290 {
4291 wxArrayInt sel;
4292 for( int i = from; i < to; i ++ )
4293 sel.Add( i );
4294 m_clientArea->Select(sel);
4295 }
4296
4297 void wxDataViewCtrl::UnselectRange( int from, int to )
4298 {
4299 wxDataViewSelection sel = m_clientArea->GetSelections();
4300 for( int i = from; i < to; i ++ )
4301 if( sel.Index( i ) != wxNOT_FOUND )
4302 sel.Remove( i );
4303 m_clientArea->SetSelections(sel);
4304 }
4305
4306 void wxDataViewCtrl::SelectAll()
4307 {
4308 m_clientArea->SelectAllRows(true);
4309 }
4310
4311 void wxDataViewCtrl::UnselectAll()
4312 {
4313 m_clientArea->SelectAllRows(false);
4314 }
4315
4316 void wxDataViewCtrl::EnsureVisible( int row, int column )
4317 {
4318 if( row < 0 )
4319 row = 0;
4320 if( row > (int) m_clientArea->GetRowCount() )
4321 row = m_clientArea->GetRowCount();
4322
4323 int first = m_clientArea->GetFirstVisibleRow();
4324 int last = m_clientArea->GetLastVisibleRow();
4325 if( row < first )
4326 m_clientArea->ScrollTo( row, column );
4327 else if( row > last )
4328 m_clientArea->ScrollTo( row - last + first, column );
4329 else
4330 m_clientArea->ScrollTo( first, column );
4331 }
4332
4333 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4334 {
4335 ExpandAncestors( item );
4336
4337 m_clientArea->RecalculateDisplay();
4338
4339 int row = m_clientArea->GetRowByItem(item);
4340 if( row >= 0 )
4341 {
4342 if( column == NULL )
4343 EnsureVisible(row, -1);
4344 else
4345 EnsureVisible( row, GetColumnIndex(column) );
4346 }
4347
4348 }
4349
4350 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4351 wxDataViewColumn* &column ) const
4352 {
4353 m_clientArea->HitTest(point, item, column);
4354 }
4355
4356 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4357 const wxDataViewColumn* column ) const
4358 {
4359 return m_clientArea->GetItemRect(item, column);
4360 }
4361
4362 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4363 {
4364 return m_clientArea->GetItemByRow( row );
4365 }
4366
4367 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4368 {
4369 return m_clientArea->GetRowByItem( item );
4370 }
4371
4372 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4373 {
4374 int row = m_clientArea->GetRowByItem( item );
4375 if (row != -1)
4376 m_clientArea->Expand(row);
4377 }
4378
4379 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4380 {
4381 int row = m_clientArea->GetRowByItem( item );
4382 if (row != -1)
4383 m_clientArea->Collapse(row);
4384 }
4385
4386 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4387 {
4388 int row = m_clientArea->GetRowByItem( item );
4389 if (row != -1)
4390 return m_clientArea->IsExpanded(row);
4391 return false;
4392 }
4393
4394 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4395 {
4396 wxDataViewColumn* col = GetColumn( column );
4397 if (!col)
4398 return;
4399
4400 wxRect itemRect = GetItemRect(item, col);
4401 wxDataViewRenderer* renderer = col->GetRenderer();
4402 renderer->StartEditing(item, itemRect);
4403 }
4404
4405 #endif // !wxUSE_GENERICDATAVIEWCTRL
4406
4407 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)