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Don't hard code white background colour in generic wxDataViewCtrl.
[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 m_wantsAttr = false;
616 m_hasAttr = false;
617 }
618
619 wxDataViewRenderer::~wxDataViewRenderer()
620 {
621 if (m_dc)
622 delete m_dc;
623 }
624
625 wxDC *wxDataViewRenderer::GetDC()
626 {
627 if (m_dc == NULL)
628 {
629 if (GetOwner() == NULL)
630 return NULL;
631 if (GetOwner()->GetOwner() == NULL)
632 return NULL;
633 m_dc = new wxClientDC( GetOwner()->GetOwner() );
634 }
635
636 return m_dc;
637 }
638
639 void wxDataViewRenderer::SetAlignment( int align )
640 {
641 m_align=align;
642 }
643
644 int wxDataViewRenderer::GetAlignment() const
645 {
646 return m_align;
647 }
648
649 int wxDataViewRenderer::CalculateAlignment() const
650 {
651 if (m_align == wxDVR_DEFAULT_ALIGNMENT)
652 {
653 if (GetOwner() == NULL)
654 return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
655
656 return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
657 }
658
659 return m_align;
660 }
661
662 // ---------------------------------------------------------
663 // wxDataViewCustomRenderer
664 // ---------------------------------------------------------
665
666 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
667
668 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
669 wxDataViewCellMode mode, int align ) :
670 wxDataViewRenderer( varianttype, mode, align )
671 {
672 }
673
674 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset,
675 wxRect cell, wxDC *dc, int state )
676 {
677 wxDataViewCtrl *view = GetOwner()->GetOwner();
678 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
679 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
680 view->GetForegroundColour();
681 dc->SetTextForeground(col);
682 dc->DrawText( text,
683 cell.x + xoffset,
684 cell.y + ((cell.height - dc->GetCharHeight()) / 2));
685 }
686
687 // ---------------------------------------------------------
688 // wxDataViewTextRenderer
689 // ---------------------------------------------------------
690
691 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
692
693 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
694 wxDataViewCellMode mode, int align ) :
695 wxDataViewCustomRenderer( varianttype, mode, align )
696 {
697 }
698
699 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
700 {
701 m_text = value.GetString();
702
703 return true;
704 }
705
706 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
707 {
708 return false;
709 }
710
711 bool wxDataViewTextRenderer::HasEditorCtrl() const
712 {
713 return true;
714 }
715
716 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
717 wxRect labelRect, const wxVariant &value )
718 {
719 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
720 wxPoint(labelRect.x,labelRect.y),
721 wxSize(labelRect.width,labelRect.height) );
722
723 // select the text in the control an place the cursor at the end
724 ctrl->SetInsertionPointEnd();
725 ctrl->SelectAll();
726
727 return ctrl;
728 }
729
730 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
731 {
732 wxTextCtrl *text = (wxTextCtrl*) editor;
733 value = text->GetValue();
734 return true;
735 }
736
737 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
738 {
739 RenderText( m_text, 0, cell, dc, state );
740 return true;
741 }
742
743 wxSize wxDataViewTextRenderer::GetSize() const
744 {
745 const wxDataViewCtrl *view = GetView();
746 if (!m_text.empty())
747 return view->wxWindowBase::GetTextExtent( m_text );
748 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
749 }
750
751 // ---------------------------------------------------------
752 // wxDataViewTextRendererAttr
753 // ---------------------------------------------------------
754
755 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
756
757 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
758 wxDataViewCellMode mode, int align ) :
759 wxDataViewTextRenderer( varianttype, mode, align )
760 {
761 m_wantsAttr = true;
762 }
763
764 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
765 {
766 wxFont font;
767 wxColour colour;
768
769 if (m_hasAttr)
770 {
771 if (m_attr.HasColour())
772 {
773 colour = dc->GetTextForeground();
774 dc->SetTextForeground( m_attr.GetColour() );
775 }
776
777 if (m_attr.GetBold() || m_attr.GetItalic())
778 {
779 font = dc->GetFont();
780 wxFont myfont = font;
781 if (m_attr.GetBold())
782 myfont.SetWeight( wxFONTWEIGHT_BOLD );
783 if (m_attr.GetItalic())
784 myfont.SetStyle( wxFONTSTYLE_ITALIC );
785 dc->SetFont( myfont );
786 }
787 }
788
789 dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
790
791 // restore dc
792 if (m_hasAttr)
793 {
794 if (m_attr.HasColour())
795 dc->SetTextForeground( colour );
796
797 if (m_attr.GetBold() || m_attr.GetItalic())
798 dc->SetFont( font );
799 }
800
801 return true;
802 }
803
804
805 // ---------------------------------------------------------
806 // wxDataViewBitmapRenderer
807 // ---------------------------------------------------------
808
809 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
810
811 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
812 wxDataViewCellMode mode, int align ) :
813 wxDataViewCustomRenderer( varianttype, mode, align )
814 {
815 }
816
817 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
818 {
819 if (value.GetType() == wxT("wxBitmap"))
820 m_bitmap << value;
821 if (value.GetType() == wxT("wxIcon"))
822 m_icon << value;
823
824 return true;
825 }
826
827 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
828 {
829 return false;
830 }
831
832 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
833 {
834 if (m_bitmap.Ok())
835 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
836 else if (m_icon.Ok())
837 dc->DrawIcon( m_icon, cell.x, cell.y );
838
839 return true;
840 }
841
842 wxSize wxDataViewBitmapRenderer::GetSize() const
843 {
844 if (m_bitmap.Ok())
845 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
846 else if (m_icon.Ok())
847 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
848
849 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
850 }
851
852 // ---------------------------------------------------------
853 // wxDataViewToggleRenderer
854 // ---------------------------------------------------------
855
856 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
857
858 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
859 wxDataViewCellMode mode, int align ) :
860 wxDataViewCustomRenderer( varianttype, mode, align )
861 {
862 m_toggle = false;
863 }
864
865 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
866 {
867 m_toggle = value.GetBool();
868
869 return true;
870 }
871
872 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
873 {
874 return false;
875 }
876
877 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
878 {
879 int flags = 0;
880 if (m_toggle)
881 flags |= wxCONTROL_CHECKED;
882 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
883 flags |= wxCONTROL_DISABLED;
884
885 wxRendererNative::Get().DrawCheckBox(
886 GetOwner()->GetOwner(),
887 *dc,
888 cell,
889 flags );
890
891 return true;
892 }
893
894 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
895 wxDataViewModel *model,
896 const wxDataViewItem & item, unsigned int col)
897 {
898 bool value = !m_toggle;
899 wxVariant variant = value;
900 model->SetValue( variant, item, col);
901 model->ValueChanged( item, col );
902 return true;
903 }
904
905 wxSize wxDataViewToggleRenderer::GetSize() const
906 {
907 // the window parameter is not used by GetCheckBoxSize() so it's
908 // safe to pass NULL
909 return wxRendererNative::Get().GetCheckBoxSize(NULL);
910 }
911
912 // ---------------------------------------------------------
913 // wxDataViewProgressRenderer
914 // ---------------------------------------------------------
915
916 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
917
918 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
919 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
920 wxDataViewCustomRenderer( varianttype, mode, align )
921 {
922 m_label = label;
923 m_value = 0;
924 }
925
926 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
927 {
928 }
929
930 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
931 {
932 m_value = (long) value;
933
934 if (m_value < 0) m_value = 0;
935 if (m_value > 100) m_value = 100;
936
937 return true;
938 }
939
940 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
941 {
942 value = (long) m_value;
943 return true;
944 }
945
946 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
947 {
948 double pct = (double)m_value / 100.0;
949 wxRect bar = cell;
950 bar.width = (int)(cell.width * pct);
951 dc->SetPen( *wxTRANSPARENT_PEN );
952 dc->SetBrush( *wxBLUE_BRUSH );
953 dc->DrawRectangle( bar );
954
955 dc->SetBrush( *wxTRANSPARENT_BRUSH );
956 dc->SetPen( *wxBLACK_PEN );
957 dc->DrawRectangle( cell );
958
959 return true;
960 }
961
962 wxSize wxDataViewProgressRenderer::GetSize() const
963 {
964 return wxSize(40,12);
965 }
966
967 // ---------------------------------------------------------
968 // wxDataViewDateRenderer
969 // ---------------------------------------------------------
970
971 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
972
973 #if wxUSE_DATE_RENDERER_POPUP
974
975 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
976 {
977 public:
978 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
979 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
980 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
981 m_item( item )
982 {
983 m_model = model;
984 m_col = col;
985 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
986 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
987 sizer->Add( m_cal, 1, wxGROW );
988 SetSizer( sizer );
989 sizer->Fit( this );
990 }
991
992 void OnCalendar( wxCalendarEvent &event );
993
994 wxCalendarCtrl *m_cal;
995 wxDataViewModel *m_model;
996 unsigned int m_col;
997 const wxDataViewItem & m_item;
998
999 protected:
1000 virtual void OnDismiss()
1001 {
1002 }
1003
1004 private:
1005 DECLARE_EVENT_TABLE()
1006 };
1007
1008 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1009 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1010 END_EVENT_TABLE()
1011
1012 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1013 {
1014 wxDateTime date = event.GetDate();
1015 wxVariant value = date;
1016 m_model->SetValue( value, m_item, m_col );
1017 m_model->ValueChanged( m_item, m_col );
1018 DismissAndNotify();
1019 }
1020
1021 #endif // wxUSE_DATE_RENDERER_POPUP
1022
1023 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1024
1025 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1026 wxDataViewCellMode mode, int align ) :
1027 wxDataViewCustomRenderer( varianttype, mode, align )
1028 {
1029 }
1030
1031 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1032 {
1033 m_date = value.GetDateTime();
1034
1035 return true;
1036 }
1037
1038 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1039 {
1040 value = m_date;
1041 return true;
1042 }
1043
1044 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1045 {
1046 wxString tmp = m_date.FormatDate();
1047 RenderText( tmp, 0, cell, dc, state );
1048 return true;
1049 }
1050
1051 wxSize wxDataViewDateRenderer::GetSize() const
1052 {
1053 const wxDataViewCtrl* view = GetView();
1054 wxString tmp = m_date.FormatDate();
1055 wxCoord x,y,d;
1056 view->GetTextExtent( tmp, &x, &y, &d );
1057 return wxSize(x,y+d);
1058 }
1059
1060 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1061 const wxDataViewItem & item, unsigned int col )
1062 {
1063 wxVariant variant;
1064 model->GetValue( variant, item, col );
1065 wxDateTime value = variant.GetDateTime();
1066
1067 #if wxUSE_DATE_RENDERER_POPUP
1068 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1069 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1070 wxPoint pos = wxGetMousePosition();
1071 popup->Move( pos );
1072 popup->Layout();
1073 popup->Popup( popup->m_cal );
1074 #else // !wxUSE_DATE_RENDERER_POPUP
1075 wxMessageBox(value.Format());
1076 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1077 return true;
1078 }
1079
1080 // ---------------------------------------------------------
1081 // wxDataViewIconTextRenderer
1082 // ---------------------------------------------------------
1083
1084 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1085
1086 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1087 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1088 wxDataViewCustomRenderer( varianttype, mode, align )
1089 {
1090 SetMode(mode);
1091 SetAlignment(align);
1092 }
1093
1094 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1095 {
1096 }
1097
1098 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1099 {
1100 m_value << value;
1101 return true;
1102 }
1103
1104 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1105 {
1106 return false;
1107 }
1108
1109 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1110 {
1111 int xoffset = 0;
1112 const wxIcon &icon = m_value.GetIcon();
1113 if (icon.IsOk())
1114 {
1115 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1116 xoffset = icon.GetWidth()+4;
1117 }
1118
1119 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1120
1121 return true;
1122 }
1123
1124 wxSize wxDataViewIconTextRenderer::GetSize() const
1125 {
1126 const wxDataViewCtrl *view = GetView();
1127 if (!m_value.GetText().empty())
1128 {
1129 int x,y;
1130 view->GetTextExtent( m_value.GetText(), &x, &y );
1131
1132 if (m_value.GetIcon().IsOk())
1133 x += m_value.GetIcon().GetWidth() + 4;
1134 return wxSize( x, y );
1135 }
1136 return wxSize(80,20);
1137 }
1138
1139 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1140 {
1141 wxDataViewIconText iconText;
1142 iconText << value;
1143
1144 wxString text = iconText.GetText();
1145
1146 // adjust the label rect to take the width of the icon into account
1147 if (iconText.GetIcon().IsOk())
1148 {
1149 int w = iconText.GetIcon().GetWidth() + 4;
1150 labelRect.x += w;
1151 labelRect.width -= w;
1152 }
1153
1154 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1155 wxPoint(labelRect.x,labelRect.y),
1156 wxSize(labelRect.width,labelRect.height) );
1157
1158 // select the text in the control an place the cursor at the end
1159 ctrl->SetInsertionPointEnd();
1160 ctrl->SelectAll();
1161
1162 return ctrl;
1163 }
1164
1165 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1166 {
1167 wxTextCtrl *text = (wxTextCtrl*) editor;
1168
1169 wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1170 value << iconText;
1171 return true;
1172 }
1173
1174 //-----------------------------------------------------------------------------
1175 // wxDataViewDropTarget
1176 //-----------------------------------------------------------------------------
1177
1178 #if wxUSE_DRAG_AND_DROP
1179
1180 class wxBitmapCanvas: public wxWindow
1181 {
1182 public:
1183 wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1184 wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1185 {
1186 m_bitmap = bitmap;
1187 Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1188 }
1189
1190 void OnPaint( wxPaintEvent &WXUNUSED(event) )
1191 {
1192 wxPaintDC dc(this);
1193 dc.DrawBitmap( m_bitmap, 0, 0);
1194 }
1195
1196 wxBitmap m_bitmap;
1197 };
1198
1199 class wxDataViewDropSource: public wxDropSource
1200 {
1201 public:
1202 wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1203 wxDropSource( win )
1204 {
1205 m_win = win;
1206 m_row = row;
1207 m_hint = NULL;
1208 }
1209
1210 ~wxDataViewDropSource()
1211 {
1212 delete m_hint;
1213 }
1214
1215 virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1216 {
1217 wxPoint pos = wxGetMousePosition();
1218
1219 if (!m_hint)
1220 {
1221 int liney = m_win->GetLineStart( m_row );
1222 int linex = 0;
1223 m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1224 m_win->ClientToScreen( &linex, &liney );
1225 m_dist_x = pos.x - linex;
1226 m_dist_y = pos.y - liney;
1227
1228 int indent = 0;
1229 wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1230 m_dist_x -= indent;
1231 m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1232 wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1233 ib.GetSize(),
1234 wxFRAME_TOOL_WINDOW |
1235 wxFRAME_FLOAT_ON_PARENT |
1236 wxFRAME_NO_TASKBAR |
1237 wxNO_BORDER );
1238 new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1239 m_hint->Show();
1240 }
1241 else
1242 {
1243 m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
1244 m_hint->SetTransparent( 128 );
1245 }
1246
1247 return false;
1248 }
1249
1250 wxDataViewMainWindow *m_win;
1251 unsigned int m_row;
1252 wxFrame *m_hint;
1253 int m_dist_x,m_dist_y;
1254 };
1255
1256
1257 class wxDataViewDropTarget: public wxDropTarget
1258 {
1259 public:
1260 wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1261 wxDropTarget( obj )
1262 {
1263 m_win = win;
1264 }
1265
1266 virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1267 {
1268 wxDataFormat format = GetMatchingPair();
1269 if (format == wxDF_INVALID)
1270 return wxDragNone;
1271 return m_win->OnDragOver( format, x, y, def);
1272 }
1273
1274 virtual bool OnDrop( wxCoord x, wxCoord y )
1275 {
1276 wxDataFormat format = GetMatchingPair();
1277 if (format == wxDF_INVALID)
1278 return false;
1279 return m_win->OnDrop( format, x, y );
1280 }
1281
1282 virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1283 {
1284 wxDataFormat format = GetMatchingPair();
1285 if (format == wxDF_INVALID)
1286 return wxDragNone;
1287 if (!GetData())
1288 return wxDragNone;
1289 return m_win->OnData( format, x, y, def );
1290 }
1291
1292 virtual void OnLeave()
1293 { m_win->OnLeave(); }
1294
1295 wxDataViewMainWindow *m_win;
1296 };
1297
1298 #endif // wxUSE_DRAG_AND_DROP
1299
1300 //-----------------------------------------------------------------------------
1301 // wxDataViewRenameTimer
1302 //-----------------------------------------------------------------------------
1303
1304 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1305 {
1306 m_owner = owner;
1307 }
1308
1309 void wxDataViewRenameTimer::Notify()
1310 {
1311 m_owner->OnRenameTimer();
1312 }
1313
1314 //-----------------------------------------------------------------------------
1315 // wxDataViewMainWindow
1316 //-----------------------------------------------------------------------------
1317
1318 // The tree building helper, declared firstly
1319 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
1320 wxDataViewTreeNode * node);
1321
1322 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1323 {
1324 if (row1 > row2) return 1;
1325 if (row1 == row2) return 0;
1326 return -1;
1327 }
1328
1329 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1330
1331 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1332 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1333 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1334 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1335 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1336 EVT_CHAR (wxDataViewMainWindow::OnChar)
1337 END_EVENT_TABLE()
1338
1339 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1340 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1341 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1342 m_selection( wxDataViewSelectionCmp )
1343
1344 {
1345 SetOwner( parent );
1346
1347 m_lastOnSame = false;
1348 m_renameTimer = new wxDataViewRenameTimer( this );
1349
1350 // TODO: user better initial values/nothing selected
1351 m_currentCol = NULL;
1352 m_currentRow = 0;
1353
1354 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1355
1356 #if wxUSE_DRAG_AND_DROP
1357 m_dragCount = 0;
1358 m_dragStart = wxPoint(0,0);
1359
1360 m_dragEnabled = false;
1361 m_dropEnabled = false;
1362 m_dropHint = false;
1363 m_dropHintLine = (unsigned int) -1;
1364 #endif // wxUSE_DRAG_AND_DROP
1365
1366 m_lineLastClicked = (unsigned int) -1;
1367 m_lineBeforeLastClicked = (unsigned int) -1;
1368 m_lineSelectSingleOnUp = (unsigned int) -1;
1369
1370 m_hasFocus = false;
1371
1372 SetBackgroundColour( *wxWHITE );
1373
1374 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1375
1376 m_penRule = wxPen(GetRuleColour());
1377
1378 // compose a pen whichcan draw black lines
1379 // TODO: maybe there is something system colour to use
1380 m_penExpander = wxPen(wxColour(0,0,0));
1381
1382 m_root = new wxDataViewTreeNode( NULL );
1383 m_root->SetHasChildren(true);
1384
1385 // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1386 m_count = -1;
1387 m_underMouse = NULL;
1388 UpdateDisplay();
1389 }
1390
1391 wxDataViewMainWindow::~wxDataViewMainWindow()
1392 {
1393 DestroyTree();
1394 delete m_renameTimer;
1395 }
1396
1397
1398 #if wxUSE_DRAG_AND_DROP
1399 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1400 {
1401 m_dragFormat = format;
1402 m_dragEnabled = format != wxDF_INVALID;
1403
1404 return true;
1405 }
1406
1407 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1408 {
1409 m_dropFormat = format;
1410 m_dropEnabled = format != wxDF_INVALID;
1411
1412 if (m_dropEnabled)
1413 SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1414
1415 return true;
1416 }
1417
1418 void wxDataViewMainWindow::RemoveDropHint()
1419 {
1420 if (m_dropHint)
1421 {
1422 m_dropHint = false;
1423 RefreshRow( m_dropHintLine );
1424 m_dropHintLine = (unsigned int) -1;
1425 }
1426 }
1427
1428 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1429 wxCoord y, wxDragResult def )
1430 {
1431 int xx = x;
1432 int yy = y;
1433 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1434 unsigned int row = GetLineAt( yy );
1435
1436 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1437 {
1438 RemoveDropHint();
1439 return wxDragNone;
1440 }
1441
1442 wxDataViewItem item = GetItemByRow( row );
1443
1444 wxDataViewModel *model = GetOwner()->GetModel();
1445
1446 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1447 event.SetEventObject( m_owner );
1448 event.SetItem( item );
1449 event.SetModel( model );
1450 event.SetDataFormat( format );
1451 if (!m_owner->HandleWindowEvent( event ))
1452 {
1453 RemoveDropHint();
1454 return wxDragNone;
1455 }
1456
1457 if (!event.IsAllowed())
1458 {
1459 RemoveDropHint();
1460 return wxDragNone;
1461 }
1462
1463
1464 if (m_dropHint && (row != m_dropHintLine))
1465 RefreshRow( m_dropHintLine );
1466 m_dropHint = true;
1467 m_dropHintLine = row;
1468 RefreshRow( row );
1469
1470 return def;
1471 }
1472
1473 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1474 {
1475 RemoveDropHint();
1476
1477 int xx = x;
1478 int yy = y;
1479 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1480 unsigned int row = GetLineAt( yy );
1481
1482 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1483 return false;
1484
1485 wxDataViewItem item = GetItemByRow( row );
1486
1487 wxDataViewModel *model = GetOwner()->GetModel();
1488
1489 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1490 event.SetEventObject( m_owner );
1491 event.SetItem( item );
1492 event.SetModel( model );
1493 event.SetDataFormat( format );
1494 if (!m_owner->HandleWindowEvent( event ))
1495 return false;
1496
1497 if (!event.IsAllowed())
1498 return false;
1499
1500 return true;
1501 }
1502
1503 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1504 wxDragResult def )
1505 {
1506 int xx = x;
1507 int yy = y;
1508 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1509 unsigned int row = GetLineAt( yy );
1510
1511 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1512 return wxDragNone;
1513
1514 wxDataViewItem item = GetItemByRow( row );
1515
1516 wxDataViewModel *model = GetOwner()->GetModel();
1517
1518 wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1519
1520 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1521 event.SetEventObject( m_owner );
1522 event.SetItem( item );
1523 event.SetModel( model );
1524 event.SetDataFormat( format );
1525 event.SetDataSize( obj->GetSize() );
1526 event.SetDataBuffer( obj->GetData() );
1527 if (!m_owner->HandleWindowEvent( event ))
1528 return wxDragNone;
1529
1530 if (!event.IsAllowed())
1531 return wxDragNone;
1532
1533 return def;
1534 }
1535
1536 void wxDataViewMainWindow::OnLeave()
1537 {
1538 RemoveDropHint();
1539 }
1540
1541 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1542 {
1543 int height = GetLineHeight( row );
1544 int width = 0;
1545 unsigned int cols = GetOwner()->GetColumnCount();
1546 unsigned int col;
1547 for (col = 0; col < cols; col++)
1548 {
1549 wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1550 if (column->IsHidden())
1551 continue; // skip it!
1552 width += column->GetWidth();
1553 }
1554
1555 indent = 0;
1556 if (!IsVirtualList())
1557 {
1558 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1559 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1560 indent = indent + m_lineHeight;
1561 // try to use the m_lineHeight as the expander space
1562
1563 if(!node->HasChildren())
1564 delete node;
1565 }
1566 width -= indent;
1567
1568 wxBitmap bitmap( width, height );
1569 wxMemoryDC dc( bitmap );
1570 dc.SetFont( GetFont() );
1571 dc.SetPen( *wxBLACK_PEN );
1572 dc.SetBrush( *wxWHITE_BRUSH );
1573 dc.DrawRectangle( 0,0,width,height );
1574
1575 wxDataViewModel *model = m_owner->GetModel();
1576
1577 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1578 if (!expander)
1579 {
1580 // TODO-RTL: last column for RTL support
1581 expander = GetOwner()->GetColumnAt( 0 );
1582 GetOwner()->SetExpanderColumn(expander);
1583 }
1584
1585
1586 int x = 0;
1587 for (col = 0; col < cols; col++)
1588 {
1589 wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1590 wxDataViewRenderer *cell = column->GetRenderer();
1591
1592 if (column->IsHidden())
1593 continue; // skip it!
1594
1595 width = column->GetWidth();
1596
1597 if (column == expander)
1598 width -= indent;
1599
1600 wxVariant value;
1601 wxDataViewItem item = GetItemByRow( row );
1602 model->GetValue( value, item, column->GetModelColumn());
1603 cell->SetValue( value );
1604
1605 if (cell->GetWantsAttr())
1606 {
1607 wxDataViewItemAttr attr;
1608 bool ret = model->GetAttr( item, column->GetModelColumn(), attr );
1609 if (ret)
1610 cell->SetAttr( attr );
1611 cell->SetHasAttr( ret );
1612 }
1613
1614 wxSize size = cell->GetSize();
1615 size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
1616 size.y = height;
1617 wxRect item_rect(x, 0, size.x, size.y);
1618
1619 int align = cell->CalculateAlignment();
1620 // horizontal alignment:
1621 item_rect.x = x;
1622 if (align & wxALIGN_CENTER_HORIZONTAL)
1623 item_rect.x = x + (width / 2) - (size.x / 2);
1624 else if (align & wxALIGN_RIGHT)
1625 item_rect.x = x + width - size.x;
1626 // else: wxALIGN_LEFT is the default
1627
1628 // vertical alignment:
1629 item_rect.y = 0;
1630 if (align & wxALIGN_CENTER_VERTICAL)
1631 item_rect.y = (height / 2) - (size.y / 2);
1632 else if (align & wxALIGN_BOTTOM)
1633 item_rect.y = height - size.y;
1634 // else: wxALIGN_TOP is the default
1635
1636 // add padding
1637 item_rect.x += PADDING_RIGHTLEFT;
1638 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1639
1640 // dc.SetClippingRegion( item_rect );
1641 cell->Render( item_rect, &dc, 0 );
1642 // dc.DestroyClippingRegion();
1643
1644 x += width;
1645 }
1646
1647 return bitmap;
1648 }
1649
1650 #endif // wxUSE_DRAG_AND_DROP
1651
1652
1653 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1654 {
1655 wxDataViewModel *model = GetOwner()->GetModel();
1656 wxAutoBufferedPaintDC dc( this );
1657
1658 #ifdef __WXMSW__
1659 dc.SetBrush(GetOwner()->GetBackgroundColour());
1660 dc.SetPen( *wxTRANSPARENT_PEN );
1661 dc.DrawRectangle(GetClientSize());
1662 #endif
1663
1664 // prepare the DC
1665 GetOwner()->PrepareDC( dc );
1666 dc.SetFont( GetFont() );
1667
1668 wxRect update = GetUpdateRegion().GetBox();
1669 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1670
1671 // compute which items needs to be redrawn
1672 unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1673 unsigned int item_count =
1674 wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1675 (int)(GetRowCount( ) - item_start));
1676 unsigned int item_last = item_start + item_count;
1677 // Get the parent of DataViewCtrl
1678 wxWindow *parent = GetParent()->GetParent();
1679 wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1680 cache_event.SetEventObject(GetParent());
1681 cache_event.SetCache(item_start, item_last - 1);
1682 parent->ProcessWindowEvent(cache_event);
1683
1684 // compute which columns needs to be redrawn
1685 unsigned int cols = GetOwner()->GetColumnCount();
1686 unsigned int col_start = 0;
1687 unsigned int x_start;
1688 for (x_start = 0; col_start < cols; col_start++)
1689 {
1690 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1691 if (col->IsHidden())
1692 continue; // skip it!
1693
1694 unsigned int w = col->GetWidth();
1695 if (x_start+w >= (unsigned int)update.x)
1696 break;
1697
1698 x_start += w;
1699 }
1700
1701 unsigned int col_last = col_start;
1702 unsigned int x_last = x_start;
1703 for (; col_last < cols; col_last++)
1704 {
1705 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1706 if (col->IsHidden())
1707 continue; // skip it!
1708
1709 if (x_last > (unsigned int)update.GetRight())
1710 break;
1711
1712 x_last += col->GetWidth();
1713 }
1714
1715 // Draw horizontal rules if required
1716 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1717 {
1718 dc.SetPen(m_penRule);
1719 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1720
1721 for (unsigned int i = item_start; i <= item_last; i++)
1722 {
1723 int y = GetLineStart( i );
1724 dc.DrawLine(x_start, y, x_last, y);
1725 }
1726 }
1727
1728 // Draw vertical rules if required
1729 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1730 {
1731 dc.SetPen(m_penRule);
1732 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1733
1734 int x = x_start;
1735 for (unsigned int i = col_start; i < col_last; i++)
1736 {
1737 wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1738 if (col->IsHidden())
1739 continue; // skip it
1740
1741 dc.DrawLine(x, GetLineStart( item_start ),
1742 x, GetLineStart( item_last ) );
1743
1744 x += col->GetWidth();
1745 }
1746
1747 // Draw last vertical rule
1748 dc.DrawLine(x, GetLineStart( item_start ),
1749 x, GetLineStart( item_last ) );
1750 }
1751
1752 // redraw the background for the items which are selected/current
1753 for (unsigned int item = item_start; item < item_last; item++)
1754 {
1755 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1756 if (selected || item == m_currentRow)
1757 {
1758 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1759 if (item == m_currentRow)
1760 flags |= wxCONTROL_CURRENT;
1761 if (m_hasFocus)
1762 flags |= wxCONTROL_FOCUSED;
1763
1764 wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1765 wxRendererNative::Get().DrawItemSelectionRect
1766 (
1767 this,
1768 dc,
1769 rect,
1770 flags
1771 );
1772 }
1773 }
1774
1775 #if wxUSE_DRAG_AND_DROP
1776 if (m_dropHint)
1777 {
1778 wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1779 x_last, GetLineHeight( m_dropHintLine ) );
1780 dc.SetPen( *wxBLACK_PEN );
1781 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1782 dc.DrawRectangle( rect );
1783 }
1784 #endif // wxUSE_DRAG_AND_DROP
1785
1786 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1787 if (!expander)
1788 {
1789 // TODO-RTL: last column for RTL support
1790 expander = GetOwner()->GetColumnAt( 0 );
1791 GetOwner()->SetExpanderColumn(expander);
1792 }
1793
1794 // redraw all cells for all rows which must be repainted and all columns
1795 wxRect cell_rect;
1796 cell_rect.x = x_start;
1797 for (unsigned int i = col_start; i < col_last; i++)
1798 {
1799 wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1800 wxDataViewRenderer *cell = col->GetRenderer();
1801 cell_rect.width = col->GetWidth();
1802
1803 if (col->IsHidden())
1804 continue; // skip it!
1805
1806 for (unsigned int item = item_start; item < item_last; item++)
1807 {
1808 // get the cell value and set it into the renderer
1809 wxVariant value;
1810 wxDataViewTreeNode *node = NULL;
1811 wxDataViewItem dataitem;
1812
1813 if (!IsVirtualList())
1814 {
1815 node = GetTreeNodeByRow(item);
1816 if( node == NULL )
1817 continue;
1818
1819 dataitem = node->GetItem();
1820
1821 if ((i > 0) && model->IsContainer(dataitem) &&
1822 !model->HasContainerColumns(dataitem))
1823 continue;
1824 }
1825 else
1826 {
1827 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1828 }
1829
1830 model->GetValue( value, dataitem, col->GetModelColumn());
1831 cell->SetValue( value );
1832
1833 if (cell->GetWantsAttr())
1834 {
1835 wxDataViewItemAttr attr;
1836 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1837 if (ret)
1838 cell->SetAttr( attr );
1839 cell->SetHasAttr( ret );
1840 }
1841
1842 // update cell_rect
1843 cell_rect.y = GetLineStart( item );
1844 cell_rect.height = GetLineHeight( item );
1845
1846 // Draw the expander here.
1847 int indent = 0;
1848 if ((!IsVirtualList()) && (col == expander))
1849 {
1850 indent = node->GetIndentLevel();
1851
1852 // Calculate the indent first
1853 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1854
1855 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1856
1857 // change the cell_rect.x to the appropriate pos
1858 int expander_x = indent + EXPANDER_MARGIN;
1859 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1860 - (expander_width/2) - EXPANDER_OFFSET;
1861
1862 indent = indent + m_lineHeight;
1863 // try to use the m_lineHeight as the expander space
1864
1865 dc.SetPen( m_penExpander );
1866 dc.SetBrush( wxNullBrush );
1867 if( node->HasChildren() )
1868 {
1869 wxRect rect( expander_x , expander_y, expander_width, expander_width);
1870 int flag = 0;
1871 if (m_underMouse == node)
1872 {
1873 flag |= wxCONTROL_CURRENT;
1874 }
1875 if( node->IsOpen() )
1876 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1877 flag|wxCONTROL_EXPANDED );
1878 else
1879 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1880 }
1881
1882 // force the expander column to left-center align
1883 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1884 }
1885 if (node && !node->HasChildren())
1886 {
1887 // Yes, if the node does not have any child, it must be a leaf which
1888 // mean that it is a temporarily created by GetTreeNodeByRow
1889 wxDELETE(node);
1890 }
1891
1892 // cannot be bigger than allocated space
1893 wxSize size = cell->GetSize();
1894
1895 // Because of the tree structure indent, here we should minus the width
1896 // of the cell for drawing
1897 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1898 // size.y = wxMin( size.y, cell_rect.height );
1899 size.y = cell_rect.height;
1900
1901 wxRect item_rect(cell_rect.GetTopLeft(), size);
1902 int align = cell->CalculateAlignment();
1903
1904 // horizontal alignment:
1905 item_rect.x = cell_rect.x;
1906 if (align & wxALIGN_CENTER_HORIZONTAL)
1907 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1908 else if (align & wxALIGN_RIGHT)
1909 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1910 // else: wxALIGN_LEFT is the default
1911
1912 // vertical alignment:
1913 item_rect.y = cell_rect.y;
1914 if (align & wxALIGN_CENTER_VERTICAL)
1915 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1916 else if (align & wxALIGN_BOTTOM)
1917 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1918 // else: wxALIGN_TOP is the default
1919
1920 // add padding
1921 item_rect.x += PADDING_RIGHTLEFT;
1922 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1923
1924 // Here we add the tree indent
1925 item_rect.x += indent;
1926
1927 int state = 0;
1928 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1929 state |= wxDATAVIEW_CELL_SELECTED;
1930
1931 // TODO: it would be much more efficient to create a clipping
1932 // region for the entire column being rendered (in the OnPaint
1933 // of wxDataViewMainWindow) instead of a single clip region for
1934 // each cell. However it would mean that each renderer should
1935 // respect the given wxRect's top & bottom coords, eventually
1936 // violating only the left & right coords - however the user can
1937 // make its own renderer and thus we cannot be sure of that.
1938 dc.SetClippingRegion( item_rect );
1939 cell->Render( item_rect, &dc, state );
1940 dc.DestroyClippingRegion();
1941 }
1942
1943 cell_rect.x += cell_rect.width;
1944 }
1945 }
1946
1947 void wxDataViewMainWindow::OnRenameTimer()
1948 {
1949 // We have to call this here because changes may just have
1950 // been made and no screen update taken place.
1951 if ( m_dirty )
1952 {
1953 // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1954 // (needs to be tested!)
1955 wxSafeYield();
1956 }
1957
1958 wxDataViewItem item = GetItemByRow( m_currentRow );
1959
1960 wxRect labelRect = GetItemRect(item, m_currentCol);
1961
1962 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1963 }
1964
1965 //-----------------------------------------------------------------------------
1966 // Helper class for do operation on the tree node
1967 //-----------------------------------------------------------------------------
1968 class DoJob
1969 {
1970 public:
1971 DoJob() { }
1972 virtual ~DoJob() { }
1973
1974 // The return value control how the tree-walker tranverse the tree
1975 // 0: Job done, stop tranverse and return
1976 // 1: Ignore the current node's subtree and continue
1977 // 2: Job not done, continue
1978 enum { OK = 0 , IGR = 1, CONT = 2 };
1979 virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1980 virtual int operator() ( void * n ) = 0;
1981 };
1982
1983 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1984 {
1985 if( node==NULL )
1986 return false;
1987
1988 switch( func( node ) )
1989 {
1990 case DoJob::OK :
1991 return true;
1992 case DoJob::IGR:
1993 return false;
1994 case DoJob::CONT:
1995 default:
1996 ;
1997 }
1998
1999 wxDataViewTreeNodes nodes = node->GetNodes();
2000 wxDataViewTreeLeaves leaves = node->GetChildren();
2001
2002 int len_nodes = nodes.GetCount();
2003 int len = leaves.GetCount();
2004 int i = 0, nodes_i = 0;
2005
2006 for(; i < len; i ++ )
2007 {
2008 void * n = leaves[i];
2009 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2010 {
2011 wxDataViewTreeNode * nd = nodes[nodes_i];
2012 nodes_i++;
2013
2014 if( Walker( nd , func ) )
2015 return true;
2016
2017 }
2018 else
2019 switch( func( n ) )
2020 {
2021 case DoJob::OK :
2022 return true;
2023 case DoJob::IGR:
2024 continue;
2025 case DoJob::CONT:
2026 default:
2027 ;
2028 }
2029 }
2030 return false;
2031 }
2032
2033 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2034 {
2035 if (IsVirtualList())
2036 {
2037 wxDataViewVirtualListModel *list_model =
2038 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2039 m_count = list_model->GetCount();
2040 UpdateDisplay();
2041 return true;
2042 }
2043
2044 SortPrepare();
2045
2046 wxDataViewTreeNode * node;
2047 node = FindNode(parent);
2048
2049 if( node == NULL )
2050 return false;
2051
2052 node->SetHasChildren( true );
2053
2054 if( g_model->IsContainer( item ) )
2055 {
2056 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2057 newnode->SetItem(item);
2058 newnode->SetHasChildren( true );
2059 node->AddNode( newnode);
2060 }
2061 else
2062 node->AddLeaf( item.GetID() );
2063
2064 node->ChangeSubTreeCount(1);
2065
2066 m_count = -1;
2067 UpdateDisplay();
2068
2069 return true;
2070 }
2071
2072 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2073
2074 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2075 const wxDataViewItem& item)
2076 {
2077 if (IsVirtualList())
2078 {
2079 wxDataViewVirtualListModel *list_model =
2080 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2081 m_count = list_model->GetCount();
2082
2083 if( m_currentRow > GetRowCount() )
2084 m_currentRow = m_count - 1;
2085
2086 // TODO: why empty the entire selection?
2087 m_selection.Empty();
2088
2089 UpdateDisplay();
2090
2091 return true;
2092 }
2093
2094 wxDataViewTreeNode * node = FindNode(parent);
2095
2096 wxCHECK_MSG( node != NULL, false, "item not found" );
2097 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2098 false, "item not found" );
2099
2100 int sub = -1;
2101 node->GetChildren().Remove( item.GetID() );
2102 // Manipolate selection
2103 if( m_selection.GetCount() > 1 )
2104 {
2105 m_selection.Empty();
2106 }
2107 bool isContainer = false;
2108 wxDataViewTreeNodes nds = node->GetNodes();
2109 for (size_t i = 0; i < nds.GetCount(); i ++)
2110 {
2111 if (nds[i]->GetItem() == item)
2112 {
2113 isContainer = true;
2114 break;
2115 }
2116 }
2117 if( isContainer )
2118 {
2119 wxDataViewTreeNode * n = NULL;
2120 wxDataViewTreeNodes nodes = node->GetNodes();
2121 int len = nodes.GetCount();
2122 for( int i = 0; i < len; i ++)
2123 {
2124 if( nodes[i]->GetItem() == item )
2125 {
2126 n = nodes[i];
2127 break;
2128 }
2129 }
2130
2131 wxCHECK_MSG( n != NULL, false, "item not found" );
2132
2133 node->GetNodes().Remove( n );
2134 sub -= n->GetSubTreeCount();
2135 ::DestroyTreeHelper(n);
2136 }
2137 // Make the row number invalid and get a new valid one when user call GetRowCount
2138 m_count = -1;
2139 node->ChangeSubTreeCount(sub);
2140
2141 // Change the current row to the last row if the current exceed the max row number
2142 if( m_currentRow > GetRowCount() )
2143 m_currentRow = m_count - 1;
2144
2145 UpdateDisplay();
2146
2147 return true;
2148 }
2149
2150 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2151 {
2152 SortPrepare();
2153 g_model->Resort();
2154
2155 // Send event
2156 wxWindow *parent = GetParent();
2157 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2158 le.SetEventObject(parent);
2159 le.SetModel(GetOwner()->GetModel());
2160 le.SetItem(item);
2161 parent->GetEventHandler()->ProcessEvent(le);
2162
2163 return true;
2164 }
2165
2166 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2167 {
2168 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2169 /*#define MAX_VIRTUAL_WIDTH 100000
2170
2171 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2172 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2173 Refresh( true, &rect );
2174
2175 return true;
2176 */
2177 SortPrepare();
2178 g_model->Resort();
2179
2180 // Send event
2181 wxWindow *parent = GetParent();
2182 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2183 le.SetEventObject(parent);
2184 le.SetModel(GetOwner()->GetModel());
2185 le.SetItem(item);
2186 le.SetColumn(col);
2187 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2188 parent->GetEventHandler()->ProcessEvent(le);
2189
2190 return true;
2191 }
2192
2193 bool wxDataViewMainWindow::Cleared()
2194 {
2195 DestroyTree();
2196
2197 SortPrepare();
2198 BuildTree( GetOwner()->GetModel() );
2199
2200 UpdateDisplay();
2201
2202 return true;
2203 }
2204
2205 void wxDataViewMainWindow::UpdateDisplay()
2206 {
2207 m_dirty = true;
2208 }
2209
2210 void wxDataViewMainWindow::OnInternalIdle()
2211 {
2212 wxWindow::OnInternalIdle();
2213
2214 if (m_dirty)
2215 {
2216 RecalculateDisplay();
2217 m_dirty = false;
2218 }
2219 }
2220
2221 void wxDataViewMainWindow::RecalculateDisplay()
2222 {
2223 wxDataViewModel *model = GetOwner()->GetModel();
2224 if (!model)
2225 {
2226 Refresh();
2227 return;
2228 }
2229
2230 int width = GetEndOfLastCol();
2231 int height = GetLineStart( GetRowCount() );
2232
2233 SetVirtualSize( width, height );
2234 GetOwner()->SetScrollRate( 10, m_lineHeight );
2235
2236 Refresh();
2237 }
2238
2239 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2240 {
2241 wxWindow::ScrollWindow( dx, dy, rect );
2242
2243 if (GetOwner()->m_headerArea)
2244 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2245 }
2246
2247 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2248 {
2249 int x, y;
2250 m_owner->GetScrollPixelsPerUnit( &x, &y );
2251 int sy = GetLineStart( rows )/y;
2252 int sx = 0;
2253 if( column != -1 )
2254 {
2255 wxRect rect = GetClientRect();
2256 int colnum = 0;
2257 int x_start, w = 0;
2258 int xx, yy, xe;
2259 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2260 for (x_start = 0; colnum < column; colnum++)
2261 {
2262 wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2263 if (col->IsHidden())
2264 continue; // skip it!
2265
2266 w = col->GetWidth();
2267 x_start += w;
2268 }
2269
2270 int x_end = x_start + w;
2271 xe = xx + rect.width;
2272 if( x_end > xe )
2273 {
2274 sx = ( xx + x_end - xe )/x;
2275 }
2276 if( x_start < xx )
2277 {
2278 sx = x_start/x;
2279 }
2280 }
2281 m_owner->Scroll( sx, sy );
2282 }
2283
2284 int wxDataViewMainWindow::GetCountPerPage() const
2285 {
2286 wxSize size = GetClientSize();
2287 return size.y / m_lineHeight;
2288 }
2289
2290 int wxDataViewMainWindow::GetEndOfLastCol() const
2291 {
2292 int width = 0;
2293 unsigned int i;
2294 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2295 {
2296 const wxDataViewColumn *c =
2297 const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2298
2299 if (!c->IsHidden())
2300 width += c->GetWidth();
2301 }
2302 return width;
2303 }
2304
2305 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2306 {
2307 int x = 0;
2308 int y = 0;
2309 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2310
2311 return GetLineAt( y );
2312 }
2313
2314 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2315 {
2316 wxSize client_size = GetClientSize();
2317 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2318 &client_size.x, &client_size.y );
2319
2320 // we should deal with the pixel here
2321 unsigned int row = GetLineAt(client_size.y) - 1;
2322
2323 return wxMin( GetRowCount()-1, row );
2324 }
2325
2326 unsigned int wxDataViewMainWindow::GetRowCount()
2327 {
2328 if ( m_count == -1 )
2329 {
2330 m_count = RecalculateCount();
2331 UpdateDisplay();
2332 }
2333 return m_count;
2334 }
2335
2336 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2337 {
2338 m_currentRow = row;
2339
2340 // send event
2341 }
2342
2343 void wxDataViewMainWindow::SelectAllRows( bool on )
2344 {
2345 if (IsEmpty())
2346 return;
2347
2348 if (on)
2349 {
2350 m_selection.Clear();
2351 for (unsigned int i = 0; i < GetRowCount(); i++)
2352 m_selection.Add( i );
2353 Refresh();
2354 }
2355 else
2356 {
2357 unsigned int first_visible = GetFirstVisibleRow();
2358 unsigned int last_visible = GetLastVisibleRow();
2359 unsigned int i;
2360 for (i = 0; i < m_selection.GetCount(); i++)
2361 {
2362 unsigned int row = m_selection[i];
2363 if ((row >= first_visible) && (row <= last_visible))
2364 RefreshRow( row );
2365 }
2366 m_selection.Clear();
2367 }
2368 }
2369
2370 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2371 {
2372 if (m_selection.Index( row ) == wxNOT_FOUND)
2373 {
2374 if (on)
2375 {
2376 m_selection.Add( row );
2377 RefreshRow( row );
2378 }
2379 }
2380 else
2381 {
2382 if (!on)
2383 {
2384 m_selection.Remove( row );
2385 RefreshRow( row );
2386 }
2387 }
2388 }
2389
2390 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2391 {
2392 if (from > to)
2393 {
2394 unsigned int tmp = from;
2395 from = to;
2396 to = tmp;
2397 }
2398
2399 unsigned int i;
2400 for (i = from; i <= to; i++)
2401 {
2402 if (m_selection.Index( i ) == wxNOT_FOUND)
2403 {
2404 if (on)
2405 m_selection.Add( i );
2406 }
2407 else
2408 {
2409 if (!on)
2410 m_selection.Remove( i );
2411 }
2412 }
2413 RefreshRows( from, to );
2414 }
2415
2416 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2417 {
2418 for (size_t i=0; i < aSelections.GetCount(); i++)
2419 {
2420 int n = aSelections[i];
2421
2422 m_selection.Add( n );
2423 RefreshRow( n );
2424 }
2425 }
2426
2427 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2428 {
2429 if (m_selection.Index( row ) == wxNOT_FOUND)
2430 m_selection.Add( row );
2431 else
2432 m_selection.Remove( row );
2433 RefreshRow( row );
2434 }
2435
2436 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2437 {
2438 return (m_selection.Index( row ) != wxNOT_FOUND);
2439 }
2440
2441 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2442 {
2443 wxWindow *parent = GetParent();
2444 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2445
2446 le.SetEventObject(parent);
2447 le.SetModel(GetOwner()->GetModel());
2448 le.SetItem( item );
2449
2450 parent->GetEventHandler()->ProcessEvent(le);
2451 }
2452
2453 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2454 {
2455 wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2456 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2457
2458 wxSize client_size = GetClientSize();
2459 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2460 wxRect intersect_rect = client_rect.Intersect( rect );
2461 if (intersect_rect.width > 0)
2462 Refresh( true, &intersect_rect );
2463 }
2464
2465 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2466 {
2467 if (from > to)
2468 {
2469 unsigned int tmp = to;
2470 to = from;
2471 from = tmp;
2472 }
2473
2474 wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2475 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2476
2477 wxSize client_size = GetClientSize();
2478 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2479 wxRect intersect_rect = client_rect.Intersect( rect );
2480 if (intersect_rect.width > 0)
2481 Refresh( true, &intersect_rect );
2482 }
2483
2484 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2485 {
2486 wxSize client_size = GetClientSize();
2487 int start = GetLineStart( firstRow );
2488 m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2489 if (start > client_size.y) return;
2490
2491 wxRect rect( 0, start, client_size.x, client_size.y - start );
2492
2493 Refresh( true, &rect );
2494 }
2495
2496 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2497 {
2498 wxCHECK_RET( newCurrent < GetRowCount(),
2499 wxT("invalid item index in OnArrowChar()") );
2500
2501 // if there is no selection, we cannot move it anywhere
2502 if (!HasCurrentRow())
2503 return;
2504
2505 unsigned int oldCurrent = m_currentRow;
2506
2507 // in single selection we just ignore Shift as we can't select several
2508 // items anyhow
2509 if ( event.ShiftDown() && !IsSingleSel() )
2510 {
2511 RefreshRow( oldCurrent );
2512
2513 ChangeCurrentRow( newCurrent );
2514
2515 // select all the items between the old and the new one
2516 if ( oldCurrent > newCurrent )
2517 {
2518 newCurrent = oldCurrent;
2519 oldCurrent = m_currentRow;
2520 }
2521
2522 SelectRows( oldCurrent, newCurrent, true );
2523 if (oldCurrent!=newCurrent)
2524 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2525 }
2526 else // !shift
2527 {
2528 RefreshRow( oldCurrent );
2529
2530 // all previously selected items are unselected unless ctrl is held
2531 if ( !event.ControlDown() )
2532 SelectAllRows(false);
2533
2534 ChangeCurrentRow( newCurrent );
2535
2536 if ( !event.ControlDown() )
2537 {
2538 SelectRow( m_currentRow, true );
2539 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2540 }
2541 else
2542 RefreshRow( m_currentRow );
2543 }
2544
2545 GetOwner()->EnsureVisible( m_currentRow, -1 );
2546 }
2547
2548 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2549 {
2550 wxRect rect;
2551 rect.x = 0;
2552 rect.y = GetLineStart( row );
2553 rect.width = GetEndOfLastCol();
2554 rect.height = GetLineHeight( row );
2555
2556 return rect;
2557 }
2558
2559 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2560 {
2561 const wxDataViewModel *model = GetOwner()->GetModel();
2562
2563 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2564 {
2565 // TODO make more efficient
2566
2567 int start = 0;
2568
2569 unsigned int r;
2570 for (r = 0; r < row; r++)
2571 {
2572 const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2573 if (!node) return start;
2574
2575 wxDataViewItem item = node->GetItem();
2576
2577 if (node && !node->HasChildren())
2578 {
2579 // Yes, if the node does not have any child, it must be a leaf which
2580 // mean that it is a temporarily created by GetTreeNodeByRow
2581 wxDELETE(node);
2582 }
2583
2584 unsigned int cols = GetOwner()->GetColumnCount();
2585 unsigned int col;
2586 int height = m_lineHeight;
2587 for (col = 0; col < cols; col++)
2588 {
2589 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2590 if (column->IsHidden())
2591 continue; // skip it!
2592
2593 if ((col != 0) &&
2594 model->IsContainer(item) &&
2595 !model->HasContainerColumns(item))
2596 continue; // skip it!
2597
2598 wxVariant value;
2599 model->GetValue( value, item, column->GetModelColumn() );
2600
2601 wxDataViewRenderer *renderer =
2602 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2603 renderer->SetValue( value );
2604 height = wxMax( height, renderer->GetSize().y );
2605 }
2606
2607 start += height;
2608 }
2609
2610 return start;
2611 }
2612 else
2613 {
2614 return row * m_lineHeight;
2615 }
2616 }
2617
2618 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2619 {
2620 const wxDataViewModel *model = GetOwner()->GetModel();
2621
2622 // check for the easy case first
2623 if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2624 return y / m_lineHeight;
2625
2626 // TODO make more efficient
2627 unsigned int row = 0;
2628 unsigned int yy = 0;
2629 for (;;)
2630 {
2631 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2632 if (!node)
2633 {
2634 // not really correct...
2635 return row + ((y-yy) / m_lineHeight);
2636 }
2637
2638 wxDataViewItem item = node->GetItem();
2639
2640 if (node && !node->HasChildren())
2641 {
2642 // Yes, if the node does not have any child, it must be a leaf which
2643 // mean that it is a temporarily created by GetTreeNodeByRow
2644 wxDELETE(node);
2645 }
2646
2647 unsigned int cols = GetOwner()->GetColumnCount();
2648 unsigned int col;
2649 int height = m_lineHeight;
2650 for (col = 0; col < cols; col++)
2651 {
2652 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2653 if (column->IsHidden())
2654 continue; // skip it!
2655
2656 if ((col != 0) &&
2657 model->IsContainer(item) &&
2658 !model->HasContainerColumns(item))
2659 continue; // skip it!
2660
2661 wxVariant value;
2662 model->GetValue( value, item, column->GetModelColumn() );
2663
2664 wxDataViewRenderer *renderer =
2665 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2666 renderer->SetValue( value );
2667 height = wxMax( height, renderer->GetSize().y );
2668 }
2669
2670 yy += height;
2671 if (y < yy)
2672 return row;
2673
2674 row++;
2675 }
2676 }
2677
2678 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2679 {
2680 const wxDataViewModel *model = GetOwner()->GetModel();
2681
2682 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2683 {
2684 wxASSERT( !IsVirtualList() );
2685
2686 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2687 // wxASSERT( node );
2688 if (!node) return m_lineHeight;
2689
2690 wxDataViewItem item = node->GetItem();
2691
2692 if (node && !node->HasChildren())
2693 {
2694 // Yes, if the node does not have any child, it must be a leaf which
2695 // mean that it is a temporarily created by GetTreeNodeByRow
2696 wxDELETE(node);
2697 }
2698
2699 int height = m_lineHeight;
2700
2701 unsigned int cols = GetOwner()->GetColumnCount();
2702 unsigned int col;
2703 for (col = 0; col < cols; col++)
2704 {
2705 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2706 if (column->IsHidden())
2707 continue; // skip it!
2708
2709 if ((col != 0) &&
2710 model->IsContainer(item) &&
2711 !model->HasContainerColumns(item))
2712 continue; // skip it!
2713
2714 wxVariant value;
2715 model->GetValue( value, item, column->GetModelColumn() );
2716
2717 wxDataViewRenderer *renderer =
2718 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2719 renderer->SetValue( value );
2720 height = wxMax( height, renderer->GetSize().y );
2721 }
2722
2723 return height;
2724 }
2725 else
2726 {
2727 return m_lineHeight;
2728 }
2729 }
2730
2731 class RowToItemJob: public DoJob
2732 {
2733 public:
2734 RowToItemJob( unsigned int row , int current )
2735 { this->row = row; this->current = current; }
2736 virtual ~RowToItemJob() {}
2737
2738 virtual int operator() ( wxDataViewTreeNode * node )
2739 {
2740 current ++;
2741 if( current == static_cast<int>(row))
2742 {
2743 ret = node->GetItem();
2744 return DoJob::OK;
2745 }
2746
2747 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2748 {
2749 current += node->GetSubTreeCount();
2750 return DoJob::IGR;
2751 }
2752 else
2753 {
2754 // If the current has no child node, we can find the desired item of the row
2755 // number directly.
2756 // This if can speed up finding in some case, and will has a very good effect
2757 // when it comes to list view
2758 if( node->GetNodes().GetCount() == 0)
2759 {
2760 int index = static_cast<int>(row) - current - 1;
2761 ret = node->GetChildren().Item( index );
2762 return DoJob::OK;
2763 }
2764 return DoJob::CONT;
2765 }
2766 }
2767
2768 virtual int operator() ( void * n )
2769 {
2770 current ++;
2771 if( current == static_cast<int>(row))
2772 {
2773 ret = wxDataViewItem( n );
2774 return DoJob::OK;
2775 }
2776 return DoJob::CONT;
2777 }
2778
2779 wxDataViewItem GetResult() const
2780 { return ret; }
2781
2782 private:
2783 unsigned int row;
2784 int current;
2785 wxDataViewItem ret;
2786 };
2787
2788 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2789 {
2790 if (IsVirtualList())
2791 {
2792 return wxDataViewItem( wxUIntToPtr(row+1) );
2793 }
2794 else
2795 {
2796 RowToItemJob job( row, -2 );
2797 Walker( m_root , job );
2798 return job.GetResult();
2799 }
2800 }
2801
2802 class RowToTreeNodeJob: public DoJob
2803 {
2804 public:
2805 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2806 {
2807 this->row = row;
2808 this->current = current;
2809 ret = NULL;
2810 parent = node;
2811 }
2812 virtual ~RowToTreeNodeJob(){ }
2813
2814 virtual int operator() ( wxDataViewTreeNode * node )
2815 {
2816 current ++;
2817 if( current == static_cast<int>(row))
2818 {
2819 ret = node;
2820 return DoJob::OK;
2821 }
2822
2823 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2824 {
2825 current += node->GetSubTreeCount();
2826 return DoJob::IGR;
2827 }
2828 else
2829 {
2830 parent = node;
2831
2832 // If the current node has no children, we can find the desired item of the
2833 // row number directly.
2834 // This if can speed up finding in some case, and will have a very good
2835 // effect for list views.
2836 if( node->GetNodes().GetCount() == 0)
2837 {
2838 int index = static_cast<int>(row) - current - 1;
2839 void * n = node->GetChildren().Item( index );
2840 ret = new wxDataViewTreeNode( parent );
2841 ret->SetItem( wxDataViewItem( n ));
2842 ret->SetHasChildren(false);
2843 return DoJob::OK;
2844 }
2845 return DoJob::CONT;
2846 }
2847 }
2848
2849 virtual int operator() ( void * n )
2850 {
2851 current ++;
2852 if( current == static_cast<int>(row))
2853 {
2854 ret = new wxDataViewTreeNode( parent );
2855 ret->SetItem( wxDataViewItem( n ));
2856 ret->SetHasChildren(false);
2857 return DoJob::OK;
2858 }
2859
2860 return DoJob::CONT;
2861 }
2862
2863 wxDataViewTreeNode * GetResult() const
2864 { return ret; }
2865
2866 private:
2867 unsigned int row;
2868 int current;
2869 wxDataViewTreeNode * ret;
2870 wxDataViewTreeNode * parent;
2871 };
2872
2873 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2874 {
2875 wxASSERT( !IsVirtualList() );
2876
2877 RowToTreeNodeJob job( row , -2, m_root );
2878 Walker( m_root , job );
2879 return job.GetResult();
2880 }
2881
2882 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2883 const wxDataViewItem & item )
2884 {
2885 wxWindow *parent = GetParent();
2886 wxDataViewEvent le(type, parent->GetId());
2887
2888 le.SetEventObject(parent);
2889 le.SetModel(GetOwner()->GetModel());
2890 le.SetItem( item );
2891
2892 parent->GetEventHandler()->ProcessEvent(le);
2893 return le;
2894 }
2895
2896 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2897 {
2898 if (IsVirtualList())
2899 return false;
2900
2901 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2902 if (!node)
2903 return false;
2904
2905 if (!node->HasChildren())
2906 {
2907 delete node;
2908 return false;
2909 }
2910
2911 return node->IsOpen();
2912 }
2913
2914 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2915 {
2916 if (IsVirtualList())
2917 return false;
2918
2919 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2920 if (!node)
2921 return false;
2922
2923 if (!node->HasChildren())
2924 {
2925 delete node;
2926 return false;
2927 }
2928
2929 return true;
2930 }
2931
2932 void wxDataViewMainWindow::Expand( unsigned int row )
2933 {
2934 if (IsVirtualList())
2935 return;
2936
2937 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2938 if (!node)
2939 return;
2940
2941 if (!node->HasChildren())
2942 {
2943 delete node;
2944 return;
2945 }
2946
2947 if (!node->IsOpen())
2948 {
2949 wxDataViewEvent e =
2950 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2951
2952 // Check if the user prevent expanding
2953 if( e.GetSkipped() )
2954 return;
2955
2956 node->ToggleOpen();
2957
2958 // build the children of current node
2959 if( node->GetChildrenNumber() == 0 )
2960 {
2961 SortPrepare();
2962 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2963 }
2964
2965 // By expanding the node all row indices that are currently in the selection list
2966 // and are greater than our node have become invalid. So we have to correct that now.
2967 const unsigned rowAdjustment = node->GetSubTreeCount();
2968 for(unsigned i=0; i<m_selection.size(); ++i)
2969 {
2970 const unsigned testRow = m_selection[i];
2971 // all rows above us are not affected, so skip them
2972 if(testRow <= row)
2973 continue;
2974
2975 m_selection[i] += rowAdjustment;
2976 }
2977
2978 if(m_currentRow > row)
2979 ChangeCurrentRow(m_currentRow + rowAdjustment);
2980
2981 m_count = -1;
2982 UpdateDisplay();
2983 // Send the expanded event
2984 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2985 }
2986 }
2987
2988 void wxDataViewMainWindow::Collapse(unsigned int row)
2989 {
2990 if (IsVirtualList())
2991 return;
2992
2993 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2994 if (!node)
2995 return;
2996
2997 if (!node->HasChildren())
2998 {
2999 delete node;
3000 return;
3001 }
3002
3003 if (node->IsOpen())
3004 {
3005 wxDataViewEvent e =
3006 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3007 if( e.GetSkipped() )
3008 return;
3009
3010 // Find out if there are selected items below the current node.
3011 bool selectCollapsingRow = false;
3012 const unsigned rowAdjustment = node->GetSubTreeCount();
3013 unsigned maxRowToBeTested = row + rowAdjustment;
3014 for(unsigned i=0; i<m_selection.size(); ++i)
3015 {
3016 const unsigned testRow = m_selection[i];
3017 if(testRow > row && testRow <= maxRowToBeTested)
3018 {
3019 selectCollapsingRow = true;
3020 // get out as soon as we have found a node that is selected
3021 break;
3022 }
3023 }
3024
3025 node->ToggleOpen();
3026
3027 // If the node to be closed has selected items the user won't see those any longer.
3028 // We select the collapsing node in this case.
3029 if(selectCollapsingRow)
3030 {
3031 SelectAllRows(false);
3032 ChangeCurrentRow(row);
3033 SelectRow(row, true);
3034 SendSelectionChangedEvent(GetItemByRow(row));
3035 }
3036 else
3037 {
3038 // if there were no selected items below our node we still need to "fix" the
3039 // selection list to adjust for the changing of the row indices.
3040 // We actually do the opposite of what we are doing in Expand().
3041 for(unsigned i=0; i<m_selection.size(); ++i)
3042 {
3043 const unsigned testRow = m_selection[i];
3044 // all rows above us are not affected, so skip them
3045 if(testRow <= row)
3046 continue;
3047
3048 m_selection[i] -= rowAdjustment;
3049 }
3050
3051 // if the "current row" is being collapsed away we change it to the current row ;-)
3052 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3053 ChangeCurrentRow(row);
3054 else if(m_currentRow > row)
3055 ChangeCurrentRow(m_currentRow - rowAdjustment);
3056 }
3057
3058 m_count = -1;
3059 UpdateDisplay();
3060 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3061 }
3062 }
3063
3064 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3065 {
3066 wxDataViewModel * model = GetOwner()->GetModel();
3067 if( model == NULL )
3068 return NULL;
3069
3070 if (!item.IsOk())
3071 return m_root;
3072
3073 // Compose the a parent-chain of the finding item
3074 ItemList list;
3075 list.DeleteContents( true );
3076 wxDataViewItem it( item );
3077 while( it.IsOk() )
3078 {
3079 wxDataViewItem * pItem = new wxDataViewItem( it );
3080 list.Insert( pItem );
3081 it = model->GetParent( it );
3082 }
3083
3084 // Find the item along the parent-chain.
3085 // This algorithm is designed to speed up the node-finding method
3086 wxDataViewTreeNode * node = m_root;
3087 for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3088 {
3089 if( node->HasChildren() )
3090 {
3091 if( node->GetChildrenNumber() == 0 )
3092 {
3093 SortPrepare();
3094 ::BuildTreeHelper(model, node->GetItem(), node);
3095 }
3096
3097 wxDataViewTreeNodes nodes = node->GetNodes();
3098 unsigned int i;
3099 bool found = false;
3100
3101 for (i = 0; i < nodes.GetCount(); i ++)
3102 {
3103 if (nodes[i]->GetItem() == (**iter))
3104 {
3105 if (nodes[i]->GetItem() == item)
3106 return nodes[i];
3107
3108 node = nodes[i];
3109 found = true;
3110 break;
3111 }
3112 }
3113 if (!found)
3114 return NULL;
3115 }
3116 else
3117 return NULL;
3118 }
3119 return NULL;
3120 }
3121
3122 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3123 wxDataViewColumn* &column )
3124 {
3125 wxDataViewColumn *col = NULL;
3126 unsigned int cols = GetOwner()->GetColumnCount();
3127 unsigned int colnum = 0;
3128 int x, y;
3129 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3130 for (unsigned x_start = 0; colnum < cols; colnum++)
3131 {
3132 col = GetOwner()->GetColumnAt(colnum);
3133 if (col->IsHidden())
3134 continue; // skip it!
3135
3136 unsigned int w = col->GetWidth();
3137 if (x_start+w >= (unsigned int)x)
3138 break;
3139
3140 x_start += w;
3141 }
3142
3143 column = col;
3144 item = GetItemByRow( GetLineAt( y ) );
3145 }
3146
3147 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3148 const wxDataViewColumn* column )
3149 {
3150 int xpos = 0;
3151 int width = 0;
3152
3153 unsigned int cols = GetOwner()->GetColumnCount();
3154 // If column is null the loop will compute the combined width of all columns.
3155 // Otherwise, it will compute the x position of the column we are looking for.
3156 for (unsigned int i = 0; i < cols; i++)
3157 {
3158 wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3159
3160 if (col == column)
3161 break;
3162
3163 if (col->IsHidden())
3164 continue; // skip it!
3165
3166 xpos += col->GetWidth();
3167 width += col->GetWidth();
3168 }
3169
3170 if(column != 0)
3171 {
3172 // If we have a column, we need can get its width directly.
3173 if(column->IsHidden())
3174 width = 0;
3175 else
3176 width = column->GetWidth();
3177
3178 }
3179 else
3180 {
3181 // If we have no column, we reset the x position back to zero.
3182 xpos = 0;
3183 }
3184
3185 // we have to take an expander column into account and compute its indentation
3186 // to get the correct x position where the actual text is
3187 int indent = 0;
3188 int row = GetRowByItem(item);
3189 if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3190 {
3191 wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3192 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3193 indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3194
3195 if(!node->HasChildren())
3196 delete node;
3197 }
3198
3199 wxRect itemRect( xpos + indent,
3200 GetLineStart( row ),
3201 width - indent,
3202 GetLineHeight( row ) );
3203
3204 GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
3205 &itemRect.x, &itemRect.y );
3206
3207 return itemRect;
3208 }
3209
3210 int wxDataViewMainWindow::RecalculateCount()
3211 {
3212 if (IsVirtualList())
3213 {
3214 wxDataViewVirtualListModel *list_model =
3215 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3216
3217 return list_model->GetCount();
3218 }
3219 else
3220 {
3221 return m_root->GetSubTreeCount();
3222 }
3223 }
3224
3225 class ItemToRowJob : public DoJob
3226 {
3227 public:
3228 ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3229 : m_iter(iter),
3230 item(item_)
3231 {
3232 ret = -1;
3233 }
3234
3235 // Maybe binary search will help to speed up this process
3236 virtual int operator() ( wxDataViewTreeNode * node)
3237 {
3238 ret ++;
3239 if( node->GetItem() == item )
3240 {
3241 return DoJob::OK;
3242 }
3243
3244 if( node->GetItem() == **m_iter )
3245 {
3246 m_iter++;
3247 return DoJob::CONT;
3248 }
3249 else
3250 {
3251 ret += node->GetSubTreeCount();
3252 return DoJob::IGR;
3253 }
3254
3255 }
3256
3257 virtual int operator() ( void * n )
3258 {
3259 ret ++;
3260 if( n == item.GetID() )
3261 return DoJob::OK;
3262 return DoJob::CONT;
3263 }
3264
3265 // the row number is begin from zero
3266 int GetResult() const
3267 { return ret -1; }
3268
3269 private:
3270 ItemList::const_iterator m_iter;
3271 wxDataViewItem item;
3272 int ret;
3273
3274 };
3275
3276 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3277 {
3278 const wxDataViewModel * model = GetOwner()->GetModel();
3279 if( model == NULL )
3280 return -1;
3281
3282 if (IsVirtualList())
3283 {
3284 return wxPtrToUInt( item.GetID() ) -1;
3285 }
3286 else
3287 {
3288 if( !item.IsOk() )
3289 return -1;
3290
3291 // Compose the a parent-chain of the finding item
3292 ItemList list;
3293 wxDataViewItem * pItem;
3294 list.DeleteContents( true );
3295 wxDataViewItem it( item );
3296 while( it.IsOk() )
3297 {
3298 pItem = new wxDataViewItem( it );
3299 list.Insert( pItem );
3300 it = model->GetParent( it );
3301 }
3302 pItem = new wxDataViewItem( );
3303 list.Insert( pItem );
3304
3305 ItemToRowJob job( item, list.begin() );
3306 Walker(m_root , job );
3307 return job.GetResult();
3308 }
3309 }
3310
3311 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
3312 wxDataViewTreeNode * node)
3313 {
3314 if( !model->IsContainer( item ) )
3315 return;
3316
3317 wxDataViewItemArray children;
3318 unsigned int num = model->GetChildren( item, children);
3319
3320 unsigned int index = 0;
3321 while( index < num )
3322 {
3323 if( model->IsContainer( children[index] ) )
3324 {
3325 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3326 n->SetItem(children[index]);
3327 n->SetHasChildren( true );
3328 node->AddNode( n );
3329 }
3330 else
3331 {
3332 node->AddLeaf( children[index].GetID() );
3333 }
3334 index ++;
3335 }
3336 node->SetSubTreeCount( num );
3337 wxDataViewTreeNode * n = node->GetParent();
3338 if( n != NULL)
3339 n->ChangeSubTreeCount(num);
3340
3341 }
3342
3343 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3344 {
3345 DestroyTree();
3346
3347 if (GetOwner()->GetModel()->IsVirtualListModel())
3348 {
3349 m_count = -1;
3350 return;
3351 }
3352
3353 m_root = new wxDataViewTreeNode( NULL );
3354 m_root->SetHasChildren(true);
3355
3356 // First we define a invalid item to fetch the top-level elements
3357 wxDataViewItem item;
3358 SortPrepare();
3359 BuildTreeHelper( model, item, m_root);
3360 m_count = -1;
3361 }
3362
3363 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3364 {
3365 if( node->GetNodeNumber() != 0 )
3366 {
3367 int len = node->GetNodeNumber();
3368 wxDataViewTreeNodes& nodes = node->GetNodes();
3369 for (int i = 0; i < len; i++)
3370 DestroyTreeHelper(nodes[i]);
3371 }
3372 delete node;
3373 }
3374
3375 void wxDataViewMainWindow::DestroyTree()
3376 {
3377 if (!IsVirtualList())
3378 {
3379 ::DestroyTreeHelper(m_root);
3380 m_count = 0;
3381 m_root = NULL;
3382 }
3383 }
3384
3385 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3386 {
3387 if ( GetParent()->HandleAsNavigationKey(event) )
3388 return;
3389
3390 // no item -> nothing to do
3391 if (!HasCurrentRow())
3392 {
3393 event.Skip();
3394 return;
3395 }
3396
3397 // don't use m_linesPerPage directly as it might not be computed yet
3398 const int pageSize = GetCountPerPage();
3399 wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3400
3401 switch ( event.GetKeyCode() )
3402 {
3403 case WXK_RETURN:
3404 {
3405 wxWindow *parent = GetParent();
3406 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3407 parent->GetId());
3408 le.SetItem( GetItemByRow(m_currentRow) );
3409 le.SetEventObject(parent);
3410 le.SetModel(GetOwner()->GetModel());
3411
3412 parent->GetEventHandler()->ProcessEvent(le);
3413 }
3414 break;
3415
3416 case WXK_UP:
3417 if ( m_currentRow > 0 )
3418 OnArrowChar( m_currentRow - 1, event );
3419 break;
3420
3421 case WXK_DOWN:
3422 if ( m_currentRow < GetRowCount() - 1 )
3423 OnArrowChar( m_currentRow + 1, event );
3424 break;
3425 // Add the process for tree expanding/collapsing
3426 case WXK_LEFT:
3427 {
3428 if (IsVirtualList())
3429 break;
3430
3431 wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3432 if (!node)
3433 break;
3434
3435 if (node->HasChildren() && node->IsOpen())
3436 {
3437 Collapse(m_currentRow);
3438 }
3439 else // if the node is already closed we move the selection to its parent
3440 {
3441 wxDataViewTreeNode *parent_node = node->GetParent();
3442
3443 if(!node->HasChildren())
3444 delete node;
3445
3446 if (parent_node)
3447 {
3448 int parent = GetRowByItem( parent_node->GetItem() );
3449 if ( parent >= 0 )
3450 {
3451 unsigned int row = m_currentRow;
3452 SelectRow( row, false);
3453 SelectRow( parent, true );
3454 ChangeCurrentRow( parent );
3455 GetOwner()->EnsureVisible( parent, -1 );
3456 SendSelectionChangedEvent( parent_node->GetItem() );
3457 }
3458 }
3459 }
3460 break;
3461 }
3462 case WXK_RIGHT:
3463 {
3464 if (!IsExpanded( m_currentRow ))
3465 Expand( m_currentRow );
3466 else
3467 {
3468 unsigned int row = m_currentRow;
3469 SelectRow( row, false );
3470 SelectRow( row + 1, true );
3471 ChangeCurrentRow( row + 1 );
3472 GetOwner()->EnsureVisible( row + 1, -1 );
3473 SendSelectionChangedEvent( GetItemByRow(row+1) );
3474 }
3475 break;
3476 }
3477 case WXK_END:
3478 {
3479 if (!IsEmpty())
3480 OnArrowChar( GetRowCount() - 1, event );
3481 break;
3482 }
3483 case WXK_HOME:
3484 if (!IsEmpty())
3485 OnArrowChar( 0, event );
3486 break;
3487
3488 case WXK_PAGEUP:
3489 {
3490 int steps = pageSize - 1;
3491 int index = m_currentRow - steps;
3492 if (index < 0)
3493 index = 0;
3494
3495 OnArrowChar( index, event );
3496 }
3497 break;
3498
3499 case WXK_PAGEDOWN:
3500 {
3501 int steps = pageSize - 1;
3502 unsigned int index = m_currentRow + steps;
3503 unsigned int count = GetRowCount();
3504 if ( index >= count )
3505 index = count - 1;
3506
3507 OnArrowChar( index, event );
3508 }
3509 break;
3510
3511 case WXK_F2:
3512 {
3513 if(m_selection.size() == 1)
3514 {
3515 // TODO: we need to revise that when we have a concept for a 'current column'
3516 GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3517 }
3518 }
3519 break;
3520
3521 default:
3522 event.Skip();
3523 }
3524 }
3525
3526 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3527 {
3528 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3529 {
3530 // let the base handle mouse wheel events.
3531 event.Skip();
3532 return;
3533 }
3534
3535 int x = event.GetX();
3536 int y = event.GetY();
3537 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3538 wxDataViewColumn *col = NULL;
3539
3540 int xpos = 0;
3541 unsigned int cols = GetOwner()->GetColumnCount();
3542 unsigned int i;
3543 for (i = 0; i < cols; i++)
3544 {
3545 wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3546 if (c->IsHidden())
3547 continue; // skip it!
3548
3549 if (x < xpos + c->GetWidth())
3550 {
3551 col = c;
3552 break;
3553 }
3554 xpos += c->GetWidth();
3555 }
3556 if (!col)
3557 return;
3558
3559 wxDataViewRenderer *cell = col->GetRenderer();
3560 unsigned int current = GetLineAt( y );
3561 if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3562 {
3563 // Unselect all if below the last row ?
3564 return;
3565 }
3566
3567 // Test whether the mouse is hovered on the tree item button
3568 bool hoverOverExpander = false;
3569 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3570 {
3571 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3572 if( node!=NULL && node->HasChildren() )
3573 {
3574 int indent = node->GetIndentLevel();
3575 indent = GetOwner()->GetIndent()*indent;
3576
3577 // we make the rectangle we are looking in a bit bigger than the actual
3578 // visual expander so the user can hit that little thing reliably
3579 wxRect rect( xpos + indent,
3580 GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3581 m_lineHeight, m_lineHeight);
3582 if( rect.Contains(x, y) )
3583 {
3584 // So the mouse is over the expander
3585 hoverOverExpander = true;
3586 if (m_underMouse && m_underMouse != node)
3587 {
3588 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3589 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3590 }
3591 if (m_underMouse != node)
3592 {
3593 // wxLogMessage("Do the row: %d", current);
3594 RefreshRow(current);
3595 }
3596 m_underMouse = node;
3597 }
3598 }
3599 if (node!=NULL && !node->HasChildren())
3600 delete node;
3601 }
3602 if (!hoverOverExpander)
3603 {
3604 if (m_underMouse != NULL)
3605 {
3606 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3607 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3608 m_underMouse = NULL;
3609 }
3610 }
3611
3612 wxDataViewModel *model = GetOwner()->GetModel();
3613
3614 #if wxUSE_DRAG_AND_DROP
3615 if (event.Dragging())
3616 {
3617 if (m_dragCount == 0)
3618 {
3619 // we have to report the raw, physical coords as we want to be
3620 // able to call HitTest(event.m_pointDrag) from the user code to
3621 // get the item being dragged
3622 m_dragStart = event.GetPosition();
3623 }
3624
3625 m_dragCount++;
3626
3627 if (m_dragCount != 3)
3628 return;
3629
3630 if (event.LeftIsDown())
3631 {
3632 m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3633 &m_dragStart.x, &m_dragStart.y );
3634 unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3635 wxDataViewItem item = GetItemByRow( drag_item_row );
3636
3637 // Notify cell about drag
3638 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3639 event.SetEventObject( m_owner );
3640 event.SetItem( item );
3641 event.SetModel( model );
3642 if (!m_owner->HandleWindowEvent( event ))
3643 return;
3644
3645 if (!event.IsAllowed())
3646 return;
3647
3648 wxDataObject *obj = event.GetDataObject();
3649 if (!obj)
3650 return;
3651
3652 wxDataViewDropSource drag( this, drag_item_row );
3653 drag.SetData( *obj );
3654 /* wxDragResult res = */ drag.DoDragDrop();
3655 delete obj;
3656 }
3657 return;
3658 }
3659 else
3660 {
3661 m_dragCount = 0;
3662 }
3663 #endif // wxUSE_DRAG_AND_DROP
3664
3665 bool simulateClick = false;
3666
3667 if (event.ButtonDClick())
3668 {
3669 m_renameTimer->Stop();
3670 m_lastOnSame = false;
3671 }
3672
3673 wxDataViewItem item = GetItemByRow(current);
3674 bool ignore_other_columns =
3675 ((GetOwner()->GetExpanderColumn() != col) &&
3676 (model->IsContainer(item)) &&
3677 (!model->HasContainerColumns(item)));
3678
3679 if (event.LeftDClick())
3680 {
3681 if(hoverOverExpander)
3682 {
3683 // a double click on the expander will be converted into a "simulated" normal click
3684 simulateClick = true;
3685 }
3686 else if ( current == m_lineLastClicked )
3687 {
3688 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3689 {
3690 wxVariant value;
3691 model->GetValue( value, item, col->GetModelColumn() );
3692 cell->SetValue( value );
3693 wxRect cell_rect( xpos, GetLineStart( current ),
3694 col->GetWidth(), GetLineHeight( current ) );
3695 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3696 }
3697 else
3698 {
3699 wxWindow *parent = GetParent();
3700 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3701 le.SetItem( item );
3702 le.SetEventObject(parent);
3703 le.SetModel(GetOwner()->GetModel());
3704
3705 parent->GetEventHandler()->ProcessEvent(le);
3706 }
3707 return;
3708 }
3709 else
3710 {
3711 // The first click was on another item, so don't interpret this as
3712 // a double click, but as a simple click instead
3713 simulateClick = true;
3714 }
3715 }
3716
3717 if (event.LeftUp() && !hoverOverExpander)
3718 {
3719 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3720 {
3721 // select single line
3722 SelectAllRows( false );
3723 SelectRow( m_lineSelectSingleOnUp, true );
3724 SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3725 }
3726
3727 // If the user click the expander, we do not do editing even if the column
3728 // with expander are editable
3729 if (m_lastOnSame && !ignore_other_columns)
3730 {
3731 if ((col == m_currentCol) && (current == m_currentRow) &&
3732 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3733 {
3734 m_renameTimer->Start( 100, true );
3735 }
3736 }
3737
3738 m_lastOnSame = false;
3739 m_lineSelectSingleOnUp = (unsigned int)-1;
3740 }
3741 else if(!event.LeftUp())
3742 {
3743 // This is necessary, because after a DnD operation in
3744 // from and to ourself, the up event is swallowed by the
3745 // DnD code. So on next non-up event (which means here and
3746 // now) m_lineSelectSingleOnUp should be reset.
3747 m_lineSelectSingleOnUp = (unsigned int)-1;
3748 }
3749
3750 if (event.RightDown())
3751 {
3752 m_lineBeforeLastClicked = m_lineLastClicked;
3753 m_lineLastClicked = current;
3754
3755 // If the item is already selected, do not update the selection.
3756 // Multi-selections should not be cleared if a selected item is clicked.
3757 if (!IsRowSelected(current))
3758 {
3759 SelectAllRows(false);
3760 ChangeCurrentRow(current);
3761 SelectRow(m_currentRow,true);
3762 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3763 }
3764 }
3765 else if (event.RightUp())
3766 {
3767 wxVariant value;
3768 model->GetValue( value, item, col->GetModelColumn() );
3769 wxWindow *parent = GetParent();
3770 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3771 le.SetItem( item );
3772 le.SetEventObject(parent);
3773 le.SetModel(GetOwner()->GetModel());
3774 le.SetValue(value);
3775 parent->GetEventHandler()->ProcessEvent(le);
3776 }
3777 else if (event.MiddleDown())
3778 {
3779 }
3780
3781 if((event.LeftDown() || simulateClick) && hoverOverExpander)
3782 {
3783 wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3784
3785 // hoverOverExpander being true tells us that our node must be
3786 // valid and have children.
3787 // So we don't need any extra checks.
3788 if( node->IsOpen() )
3789 Collapse(current);
3790 else
3791 Expand(current);
3792 }
3793 else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3794 {
3795 SetFocus();
3796
3797 m_lineBeforeLastClicked = m_lineLastClicked;
3798 m_lineLastClicked = current;
3799
3800 unsigned int oldCurrentRow = m_currentRow;
3801 bool oldWasSelected = IsRowSelected(m_currentRow);
3802
3803 bool cmdModifierDown = event.CmdDown();
3804 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3805 {
3806 if ( IsSingleSel() || !IsRowSelected(current) )
3807 {
3808 SelectAllRows( false );
3809 ChangeCurrentRow(current);
3810 SelectRow(m_currentRow,true);
3811 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3812 }
3813 else // multi sel & current is highlighted & no mod keys
3814 {
3815 m_lineSelectSingleOnUp = current;
3816 ChangeCurrentRow(current); // change focus
3817 }
3818 }
3819 else // multi sel & either ctrl or shift is down
3820 {
3821 if (cmdModifierDown)
3822 {
3823 ChangeCurrentRow(current);
3824 ReverseRowSelection(m_currentRow);
3825 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3826 }
3827 else if (event.ShiftDown())
3828 {
3829 ChangeCurrentRow(current);
3830
3831 unsigned int lineFrom = oldCurrentRow,
3832 lineTo = current;
3833
3834 if ( lineTo < lineFrom )
3835 {
3836 lineTo = lineFrom;
3837 lineFrom = m_currentRow;
3838 }
3839
3840 SelectRows(lineFrom, lineTo, true);
3841 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3842 }
3843 else // !ctrl, !shift
3844 {
3845 // test in the enclosing if should make it impossible
3846 wxFAIL_MSG( wxT("how did we get here?") );
3847 }
3848 }
3849
3850 if (m_currentRow != oldCurrentRow)
3851 RefreshRow( oldCurrentRow );
3852
3853 wxDataViewColumn *oldCurrentCol = m_currentCol;
3854
3855 // Update selection here...
3856 m_currentCol = col;
3857
3858 m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3859 (current == oldCurrentRow)) && oldWasSelected;
3860
3861 // Call LeftClick after everything else as under GTK+
3862 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3863 {
3864 // notify cell about right click
3865 wxVariant value;
3866 model->GetValue( value, item, col->GetModelColumn() );
3867 cell->SetValue( value );
3868 wxRect cell_rect( xpos, GetLineStart( current ),
3869 col->GetWidth(), GetLineHeight( current ) );
3870 /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3871 model, item, col->GetModelColumn());
3872 }
3873 }
3874 }
3875
3876 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3877 {
3878 m_hasFocus = true;
3879
3880 if (HasCurrentRow())
3881 Refresh();
3882
3883 event.Skip();
3884 }
3885
3886 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3887 {
3888 m_hasFocus = false;
3889
3890 if (HasCurrentRow())
3891 Refresh();
3892
3893 event.Skip();
3894 }
3895
3896 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3897 {
3898 if( m_selection.GetCount() != 1 )
3899 return wxDataViewItem();
3900
3901 return GetItemByRow( m_selection.Item(0));
3902 }
3903
3904 //-----------------------------------------------------------------------------
3905 // wxDataViewCtrl
3906 //-----------------------------------------------------------------------------
3907
3908 WX_DEFINE_LIST(wxDataViewColumnList)
3909
3910 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3911 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3912 EVT_SIZE(wxDataViewCtrl::OnSize)
3913 END_EVENT_TABLE()
3914
3915 wxDataViewCtrl::~wxDataViewCtrl()
3916 {
3917 if (m_notifier)
3918 GetModel()->RemoveNotifier( m_notifier );
3919
3920 m_cols.Clear();
3921 }
3922
3923 void wxDataViewCtrl::Init()
3924 {
3925 m_cols.DeleteContents(true);
3926 m_notifier = NULL;
3927
3928 // No sorting column at start
3929 m_sortingColumnIdx = wxNOT_FOUND;
3930
3931 m_headerArea = NULL;
3932 }
3933
3934 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3935 const wxPoint& pos, const wxSize& size,
3936 long style, const wxValidator& validator )
3937 {
3938 // if ( (style & wxBORDER_MASK) == 0)
3939 // style |= wxBORDER_SUNKEN;
3940
3941 Init();
3942
3943 if (!wxControl::Create( parent, id, pos, size,
3944 style | wxScrolledWindowStyle, validator))
3945 return false;
3946
3947 SetInitialSize(size);
3948
3949 #ifdef __WXMAC__
3950 MacSetClipChildren( true );
3951 #endif
3952
3953 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3954
3955 if (HasFlag(wxDV_NO_HEADER))
3956 m_headerArea = NULL;
3957 else
3958 m_headerArea = new wxDataViewHeaderWindow(this);
3959
3960 SetTargetWindow( m_clientArea );
3961
3962 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3963 if (m_headerArea)
3964 sizer->Add( m_headerArea, 0, wxGROW );
3965 sizer->Add( m_clientArea, 1, wxGROW );
3966 SetSizer( sizer );
3967
3968 return true;
3969 }
3970
3971 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3972 {
3973 return wxBORDER_THEME;
3974 }
3975
3976 #ifdef __WXMSW__
3977 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3978 WXWPARAM wParam,
3979 WXLPARAM lParam)
3980 {
3981 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3982
3983 #ifndef __WXWINCE__
3984 // we need to process arrows ourselves for scrolling
3985 if ( nMsg == WM_GETDLGCODE )
3986 {
3987 rc |= DLGC_WANTARROWS;
3988 }
3989 #endif
3990
3991 return rc;
3992 }
3993 #endif
3994
3995 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3996 {
3997 wxSize newsize = size;
3998 if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3999 newsize.y -= m_headerArea->GetSize().y;
4000
4001 return newsize;
4002 }
4003
4004 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
4005 {
4006 // We need to override OnSize so that our scrolled
4007 // window a) does call Layout() to use sizers for
4008 // positioning the controls but b) does not query
4009 // the sizer for their size and use that for setting
4010 // the scrollable area as set that ourselves by
4011 // calling SetScrollbar() further down.
4012
4013 Layout();
4014
4015 AdjustScrollbars();
4016 }
4017
4018 void wxDataViewCtrl::SetFocus()
4019 {
4020 if (m_clientArea)
4021 m_clientArea->SetFocus();
4022 }
4023
4024 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4025 {
4026 if (!wxDataViewCtrlBase::AssociateModel( model ))
4027 return false;
4028
4029 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4030
4031 model->AddNotifier( m_notifier );
4032
4033 m_clientArea->DestroyTree();
4034
4035 m_clientArea->BuildTree(model);
4036
4037 m_clientArea->UpdateDisplay();
4038
4039 return true;
4040 }
4041
4042 #if wxUSE_DRAG_AND_DROP
4043
4044 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4045 {
4046 return m_clientArea->EnableDragSource( format );
4047 }
4048
4049 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4050 {
4051 return m_clientArea->EnableDropTarget( format );
4052 }
4053
4054 #endif // wxUSE_DRAG_AND_DROP
4055
4056 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4057 {
4058 if (!wxDataViewCtrlBase::AppendColumn(col))
4059 return false;
4060
4061 m_cols.Append( col );
4062 OnColumnsCountChanged();
4063 return true;
4064 }
4065
4066 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4067 {
4068 if (!wxDataViewCtrlBase::PrependColumn(col))
4069 return false;
4070
4071 m_cols.Insert( col );
4072 OnColumnsCountChanged();
4073 return true;
4074 }
4075
4076 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4077 {
4078 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4079 return false;
4080
4081 m_cols.Insert( pos, col );
4082 OnColumnsCountChanged();
4083 return true;
4084 }
4085
4086 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4087 {
4088 if ( m_headerArea )
4089 m_headerArea->UpdateColumn(idx);
4090
4091 m_clientArea->UpdateDisplay();
4092 }
4093
4094 void wxDataViewCtrl::OnColumnsCountChanged()
4095 {
4096 if (m_headerArea)
4097 m_headerArea->SetColumnCount(GetColumnCount());
4098
4099 m_clientArea->UpdateDisplay();
4100 }
4101
4102 void wxDataViewCtrl::DoSetExpanderColumn()
4103 {
4104 m_clientArea->UpdateDisplay();
4105 }
4106
4107 void wxDataViewCtrl::DoSetIndent()
4108 {
4109 m_clientArea->UpdateDisplay();
4110 }
4111
4112 unsigned int wxDataViewCtrl::GetColumnCount() const
4113 {
4114 return m_cols.GetCount();
4115 }
4116
4117 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4118 {
4119 return m_cols[idx];
4120 }
4121
4122 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4123 {
4124 // columns can't be reordered if there is no header window which allows
4125 // to do this
4126 const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4127 : pos;
4128
4129 return GetColumn(idx);
4130 }
4131
4132 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4133 {
4134 const unsigned count = m_cols.size();
4135 for ( unsigned n = 0; n < count; n++ )
4136 {
4137 if ( m_cols[n] == column )
4138 return n;
4139 }
4140
4141 return wxNOT_FOUND;
4142 }
4143
4144 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4145 unsigned int WXUNUSED(new_pos))
4146 {
4147 // do _not_ reorder m_cols elements here, they should always be in the
4148 // order in which columns were added, we only display the columns in
4149 // different order
4150 m_clientArea->UpdateDisplay();
4151 }
4152
4153 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4154 {
4155 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4156 if (!ret)
4157 return false;
4158
4159 m_cols.Erase(ret);
4160 OnColumnsCountChanged();
4161
4162 return true;
4163 }
4164
4165 bool wxDataViewCtrl::ClearColumns()
4166 {
4167 m_cols.Clear();
4168 OnColumnsCountChanged();
4169 return true;
4170 }
4171
4172 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4173 {
4174 int ret = 0,
4175 dummy = 0;
4176 unsigned int len = GetColumnCount();
4177 for ( unsigned int i = 0; i < len; i++ )
4178 {
4179 wxDataViewColumn * col = GetColumnAt(i);
4180 if (col->IsHidden())
4181 continue;
4182 ret += col->GetWidth();
4183 if (column==col)
4184 {
4185 CalcScrolledPosition( ret, dummy, &ret, &dummy );
4186 break;
4187 }
4188 }
4189 return ret;
4190 }
4191
4192 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4193 {
4194 return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4195 : GetColumn(m_sortingColumnIdx);
4196 }
4197
4198 // Selection code with wxDataViewItem as parameters
4199 wxDataViewItem wxDataViewCtrl::GetSelection() const
4200 {
4201 return m_clientArea->GetSelection();
4202 }
4203
4204 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4205 {
4206 sel.Empty();
4207 wxDataViewSelection selection = m_clientArea->GetSelections();
4208 int len = selection.GetCount();
4209 for( int i = 0; i < len; i ++)
4210 {
4211 unsigned int row = selection[i];
4212 sel.Add( m_clientArea->GetItemByRow( row ) );
4213 }
4214 return len;
4215 }
4216
4217 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4218 {
4219 wxDataViewSelection selection(wxDataViewSelectionCmp);
4220
4221 wxDataViewItem last_parent;
4222
4223 int len = sel.GetCount();
4224 for( int i = 0; i < len; i ++ )
4225 {
4226 wxDataViewItem item = sel[i];
4227 wxDataViewItem parent = GetModel()->GetParent( item );
4228 if (parent)
4229 {
4230 if (parent != last_parent)
4231 ExpandAncestors(item);
4232 }
4233
4234 last_parent = parent;
4235 int row = m_clientArea->GetRowByItem( item );
4236 if( row >= 0 )
4237 selection.Add( static_cast<unsigned int>(row) );
4238 }
4239
4240 m_clientArea->SetSelections( selection );
4241 }
4242
4243 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4244 {
4245 ExpandAncestors( item );
4246
4247 int row = m_clientArea->GetRowByItem( item );
4248 if( row >= 0 )
4249 {
4250 // Unselect all rows before select another in the single select mode
4251 if (m_clientArea->IsSingleSel())
4252 m_clientArea->SelectAllRows(false);
4253 m_clientArea->SelectRow(row, true);
4254 }
4255 }
4256
4257 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4258 {
4259 int row = m_clientArea->GetRowByItem( item );
4260 if( row >= 0 )
4261 m_clientArea->SelectRow(row, false);
4262 }
4263
4264 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4265 {
4266 int row = m_clientArea->GetRowByItem( item );
4267 if( row >= 0 )
4268 {
4269 return m_clientArea->IsRowSelected(row);
4270 }
4271 return false;
4272 }
4273
4274 // Selection code with row number as parameter
4275 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4276 {
4277 sel.Empty();
4278 wxDataViewSelection selection = m_clientArea->GetSelections();
4279 int len = selection.GetCount();
4280 for( int i = 0; i < len; i ++)
4281 {
4282 unsigned int row = selection[i];
4283 sel.Add( row );
4284 }
4285 return len;
4286 }
4287
4288 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4289 {
4290 wxDataViewSelection selection(wxDataViewSelectionCmp);
4291 int len = sel.GetCount();
4292 for( int i = 0; i < len; i ++ )
4293 {
4294 int row = sel[i];
4295 if( row >= 0 )
4296 selection.Add( static_cast<unsigned int>(row) );
4297 }
4298 m_clientArea->SetSelections( selection );
4299 }
4300
4301 void wxDataViewCtrl::Select( int row )
4302 {
4303 if( row >= 0 )
4304 {
4305 if (m_clientArea->IsSingleSel())
4306 m_clientArea->SelectAllRows(false);
4307 m_clientArea->SelectRow( row, true );
4308 }
4309 }
4310
4311 void wxDataViewCtrl::Unselect( int row )
4312 {
4313 if( row >= 0 )
4314 m_clientArea->SelectRow(row, false);
4315 }
4316
4317 bool wxDataViewCtrl::IsSelected( int row ) const
4318 {
4319 if( row >= 0 )
4320 return m_clientArea->IsRowSelected(row);
4321 return false;
4322 }
4323
4324 void wxDataViewCtrl::SelectRange( int from, int to )
4325 {
4326 wxArrayInt sel;
4327 for( int i = from; i < to; i ++ )
4328 sel.Add( i );
4329 m_clientArea->Select(sel);
4330 }
4331
4332 void wxDataViewCtrl::UnselectRange( int from, int to )
4333 {
4334 wxDataViewSelection sel = m_clientArea->GetSelections();
4335 for( int i = from; i < to; i ++ )
4336 if( sel.Index( i ) != wxNOT_FOUND )
4337 sel.Remove( i );
4338 m_clientArea->SetSelections(sel);
4339 }
4340
4341 void wxDataViewCtrl::SelectAll()
4342 {
4343 m_clientArea->SelectAllRows(true);
4344 }
4345
4346 void wxDataViewCtrl::UnselectAll()
4347 {
4348 m_clientArea->SelectAllRows(false);
4349 }
4350
4351 void wxDataViewCtrl::EnsureVisible( int row, int column )
4352 {
4353 if( row < 0 )
4354 row = 0;
4355 if( row > (int) m_clientArea->GetRowCount() )
4356 row = m_clientArea->GetRowCount();
4357
4358 int first = m_clientArea->GetFirstVisibleRow();
4359 int last = m_clientArea->GetLastVisibleRow();
4360 if( row < first )
4361 m_clientArea->ScrollTo( row, column );
4362 else if( row > last )
4363 m_clientArea->ScrollTo( row - last + first, column );
4364 else
4365 m_clientArea->ScrollTo( first, column );
4366 }
4367
4368 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4369 {
4370 ExpandAncestors( item );
4371
4372 m_clientArea->RecalculateDisplay();
4373
4374 int row = m_clientArea->GetRowByItem(item);
4375 if( row >= 0 )
4376 {
4377 if( column == NULL )
4378 EnsureVisible(row, -1);
4379 else
4380 EnsureVisible( row, GetColumnIndex(column) );
4381 }
4382
4383 }
4384
4385 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4386 wxDataViewColumn* &column ) const
4387 {
4388 m_clientArea->HitTest(point, item, column);
4389 }
4390
4391 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4392 const wxDataViewColumn* column ) const
4393 {
4394 return m_clientArea->GetItemRect(item, column);
4395 }
4396
4397 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4398 {
4399 return m_clientArea->GetItemByRow( row );
4400 }
4401
4402 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4403 {
4404 return m_clientArea->GetRowByItem( item );
4405 }
4406
4407 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4408 {
4409 int row = m_clientArea->GetRowByItem( item );
4410 if (row != -1)
4411 m_clientArea->Expand(row);
4412 }
4413
4414 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4415 {
4416 int row = m_clientArea->GetRowByItem( item );
4417 if (row != -1)
4418 m_clientArea->Collapse(row);
4419 }
4420
4421 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4422 {
4423 int row = m_clientArea->GetRowByItem( item );
4424 if (row != -1)
4425 return m_clientArea->IsExpanded(row);
4426 return false;
4427 }
4428
4429 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4430 {
4431 wxDataViewColumn* col = GetColumn( column );
4432 if (!col)
4433 return;
4434
4435 wxRect itemRect = GetItemRect(item, col);
4436 wxDataViewRenderer* renderer = col->GetRenderer();
4437 renderer->StartEditing(item, itemRect);
4438 }
4439
4440 #endif // !wxUSE_GENERICDATAVIEWCTRL
4441
4442 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)