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[wxWidgets.git] / src / generic / datavgen.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/datavgen.cpp
3 // Purpose: wxDataViewCtrl generic implementation
4 // Author: Robert Roebling
5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_DATAVIEWCTRL
19
20 #include "wx/dataview.h"
21
22 #ifdef wxUSE_GENERICDATAVIEWCTRL
23
24 #ifndef WX_PRECOMP
25 #ifdef __WXMSW__
26 #include "wx/msw/private.h"
27 #include "wx/msw/wrapwin.h"
28 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
29 #endif
30 #include "wx/sizer.h"
31 #include "wx/log.h"
32 #include "wx/dcclient.h"
33 #include "wx/timer.h"
34 #include "wx/settings.h"
35 #include "wx/msgdlg.h"
36 #include "wx/dcscreen.h"
37 #endif
38
39 #include "wx/stockitem.h"
40 #include "wx/calctrl.h"
41 #include "wx/popupwin.h"
42 #include "wx/renderer.h"
43 #include "wx/dcbuffer.h"
44 #include "wx/icon.h"
45 #include "wx/list.h"
46 #include "wx/listimpl.cpp"
47
48 //-----------------------------------------------------------------------------
49 // classes
50 //-----------------------------------------------------------------------------
51
52 class wxDataViewCtrl;
53
54 static const int SCROLL_UNIT_X = 15;
55
56 // the cell padding on the left/right
57 static const int PADDING_RIGHTLEFT = 3;
58
59 // the cell padding on the top/bottom
60 static const int PADDING_TOPBOTTOM = 1;
61
62 // the expander space margin
63 static const int EXPANDER_MARGIN = 4;
64
65 //-----------------------------------------------------------------------------
66 // wxDataViewHeaderWindow
67 //-----------------------------------------------------------------------------
68
69 #define USE_NATIVE_HEADER_WINDOW 0
70
71 // NB: for some reason, this class must be dllexport'ed or we get warnings from
72 // MSVC in DLL build
73 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
74 {
75 public:
76 wxDataViewHeaderWindowBase()
77 { m_owner = NULL; }
78
79 bool Create(wxDataViewCtrl *parent, wxWindowID id,
80 const wxPoint &pos, const wxSize &size,
81 const wxString &name)
82 {
83 return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
84 }
85
86 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
87 wxDataViewCtrl *GetOwner() { return m_owner; }
88
89 // called on column addition/removal
90 virtual void UpdateDisplay() { /* by default, do nothing */ }
91
92 // returns the n-th column
93 virtual wxDataViewColumn *GetColumn(unsigned int n)
94 {
95 wxASSERT(m_owner);
96 wxDataViewColumn *ret = m_owner->GetColumn(n);
97 wxASSERT(ret);
98
99 return ret;
100 }
101
102 protected:
103 wxDataViewCtrl *m_owner;
104
105 // sends an event generated from the n-th wxDataViewColumn
106 void SendEvent(wxEventType type, unsigned int n);
107 };
108
109 // on wxMSW the header window (only that part however) can be made native!
110 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
111
112 #define COLUMN_WIDTH_OFFSET 2
113 #define wxDataViewHeaderWindowMSW wxDataViewHeaderWindow
114
115 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
116 {
117 public:
118
119 wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
120 wxWindowID id,
121 const wxPoint &pos = wxDefaultPosition,
122 const wxSize &size = wxDefaultSize,
123 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
124 {
125 Create(parent, id, pos, size, name);
126 }
127
128 bool Create(wxDataViewCtrl *parent, wxWindowID id,
129 const wxPoint &pos, const wxSize &size,
130 const wxString &name);
131
132 ~wxDataViewHeaderWindowMSW();
133
134 // called when any column setting is changed and/or changed
135 // the column count
136 virtual void UpdateDisplay();
137
138 // called when the main window gets scrolled
139 virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
140
141 protected:
142 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
143 virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
144
145 unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
146
147 wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
148 { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
149
150 private:
151 DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
152 };
153
154 #else // !defined(__WXMSW__)
155
156 #define HEADER_WINDOW_HEIGHT 25
157 #define HEADER_HORIZ_BORDER 5
158 #define HEADER_VERT_BORDER 3
159 #define wxGenericDataViewHeaderWindow wxDataViewHeaderWindow
160
161 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
162 {
163 public:
164 wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
165 wxWindowID id,
166 const wxPoint &pos = wxDefaultPosition,
167 const wxSize &size = wxDefaultSize,
168 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
169 {
170 Init();
171 Create(parent, id, pos, size, name);
172 }
173
174 bool Create(wxDataViewCtrl *parent, wxWindowID id,
175 const wxPoint &pos, const wxSize &size,
176 const wxString &name);
177
178 ~wxGenericDataViewHeaderWindow()
179 {
180 delete m_resizeCursor;
181 }
182
183 virtual void UpdateDisplay() { Refresh(); }
184
185 // event handlers:
186
187 void OnPaint( wxPaintEvent &event );
188 void OnMouse( wxMouseEvent &event );
189 void OnSetFocus( wxFocusEvent &event );
190
191
192 protected:
193
194 // vars used for column resizing:
195
196 wxCursor *m_resizeCursor;
197 const wxCursor *m_currentCursor;
198 bool m_isDragging;
199
200 bool m_dirty; // needs refresh?
201 int m_column; // index of the column being resized
202 int m_currentX; // divider line position in logical (unscrolled) coords
203 int m_minX; // minimal position beyond which the divider line
204 // can't be dragged in logical coords
205
206 // the pen used to draw the current column width drag line
207 // when resizing the columsn
208 wxPen m_penCurrent;
209
210
211 // internal utilities:
212
213 void Init()
214 {
215 m_currentCursor = (wxCursor *) NULL;
216 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
217
218 m_isDragging = false;
219 m_dirty = false;
220
221 m_column = wxNOT_FOUND;
222 m_currentX = 0;
223 m_minX = 0;
224
225 wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
226 m_penCurrent = wxPen(col, 1, wxSOLID);
227 }
228
229 void DrawCurrent();
230 void AdjustDC(wxDC& dc);
231
232 private:
233 DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
234 DECLARE_EVENT_TABLE()
235 };
236
237 #endif // defined(__WXMSW__)
238
239 //-----------------------------------------------------------------------------
240 // wxDataViewRenameTimer
241 //-----------------------------------------------------------------------------
242
243 class wxDataViewRenameTimer: public wxTimer
244 {
245 private:
246 wxDataViewMainWindow *m_owner;
247
248 public:
249 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
250 void Notify();
251 };
252
253 //-----------------------------------------------------------------------------
254 // wxDataViewTreeNode
255 //-----------------------------------------------------------------------------
256 class wxDataViewTreeNode;
257 WX_DEFINE_SORTED_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
258 WX_DEFINE_SORTED_ARRAY( void* , wxDataViewTreeLeaves);
259
260 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode * node1, wxDataViewTreeNode * node2);
261 int LINKAGEMODE wxGenericTreeModelItemCmp( void * id1, void * id2);
262
263 class wxDataViewTreeNode
264 {
265 public:
266 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
267 :leaves( wxGenericTreeModelItemCmp ),
268 nodes(wxGenericTreeModelNodeCmp)
269 { this->parent = parent;
270 if( parent == NULL )
271 open = true;
272 else
273 open = false;
274 hasChildren = false;
275 subTreeCount = 0;
276 }
277 //I don't know what I need to do in the destructure
278 ~wxDataViewTreeNode()
279 {
280
281 }
282
283 wxDataViewTreeNode * GetParent() { return parent; }
284 void SetParent( wxDataViewTreeNode * parent ) { this->parent = parent; }
285 wxDataViewTreeNodes & GetNodes() { return nodes; }
286 wxDataViewTreeLeaves & GetChildren() { return leaves; }
287
288 void AddNode( wxDataViewTreeNode * node )
289 {
290 nodes.Add( node );
291 leaves.Add( node->GetItem().GetID() );
292 }
293 void AddLeaf( void * leaf ) { leaves.Add( leaf ); }
294
295 wxDataViewItem & GetItem() { return item; }
296 void SetItem( const wxDataViewItem & item ) { this->item = item; }
297
298 unsigned int GetChildrenNumber() { return leaves.GetCount(); }
299 unsigned int GetNodeNumber() { return nodes.GetCount(); }
300 int GetIndentLevel()
301 {
302 int ret = 0 ;
303 wxDataViewTreeNode * node = this;
304 while( node->GetParent()->GetParent() != NULL )
305 {
306 node = node->GetParent();
307 ret ++;
308 }
309 return ret;
310 }
311
312 bool IsOpen()
313 {
314 return open ;
315 }
316
317 void ToggleOpen()
318 {
319 int len = nodes.GetCount();
320 int sum = 0;
321 for ( int i = 0 ;i < len ; i ++)
322 sum += nodes[i]->GetSubTreeCount();
323
324 sum += leaves.GetCount();
325 if( open )
326 {
327 ChangeSubTreeCount(-sum);
328 open = !open;
329 }
330 else
331 {
332 open = !open;
333 ChangeSubTreeCount(sum);
334 }
335 }
336 bool HasChildren() { return hasChildren; }
337 void SetHasChildren( bool has ){ hasChildren = has; }
338
339 void SetSubTreeCount( int num ) { subTreeCount = num; }
340 int GetSubTreeCount() { return subTreeCount; }
341 void ChangeSubTreeCount( int num )
342 {
343 if( !open )
344 return ;
345 subTreeCount += num;
346 if( parent )
347 parent->ChangeSubTreeCount(num);
348 }
349
350 void Resort()
351 {
352 wxDataViewTreeNodes nds = nodes;
353 wxDataViewTreeLeaves lvs = leaves;
354 nodes.Empty();
355 leaves.Empty();
356
357 int len = nds.GetCount();
358 if(len > 0)
359 {
360 int i;
361 for(i = 0; i < len; i ++)
362 nodes.Add(nds[i]);
363 for(i = 0; i < len; i ++)
364 nodes[i]->Resort();
365 }
366
367 len = lvs.GetCount();
368 if(len > 0)
369 {
370 for(int i = 0; i < len; i++)
371 leaves.Add(lvs[i]);
372 }
373 }
374
375 private:
376 wxDataViewTreeNode * parent;
377 wxDataViewTreeNodes nodes;
378 wxDataViewTreeLeaves leaves;
379 wxDataViewItem item;
380 bool open;
381 bool hasChildren;
382 int subTreeCount;
383 };
384
385 //Below is the compare stuff
386 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
387 static wxDataViewModel * g_model;
388 static unsigned int g_column;
389 static bool g_asending;
390
391 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode * node1, wxDataViewTreeNode * node2)
392 {
393 return g_model->Compare( node1->GetItem(), node2->GetItem(), g_column, g_asending );
394 }
395
396 int LINKAGEMODE wxGenericTreeModelItemCmp( void * id1, void * id2)
397 {
398 return g_model->Compare( id1, id2, g_column, g_asending );
399 }
400
401
402
403 //-----------------------------------------------------------------------------
404 // wxDataViewMainWindow
405 //-----------------------------------------------------------------------------
406
407 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
408 WXDLLIMPEXP_ADV);
409 WX_DECLARE_LIST(wxDataViewItem, ItemList);
410 WX_DEFINE_LIST(ItemList);
411
412 class wxDataViewMainWindow: public wxWindow
413 {
414 public:
415 wxDataViewMainWindow( wxDataViewCtrl *parent,
416 wxWindowID id,
417 const wxPoint &pos = wxDefaultPosition,
418 const wxSize &size = wxDefaultSize,
419 const wxString &name = wxT("wxdataviewctrlmainwindow") );
420 virtual ~wxDataViewMainWindow();
421
422 // notifications from wxDataViewModel
423 void SendModelEvent( wxEventType type, const wxDataViewItem & item);
424 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
425 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
426 bool ItemChanged( const wxDataViewItem &item );
427 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
428 bool Cleared();
429 void Resort()
430 {
431 SortPrepare();
432 m_root->Resort();
433 UpdateDisplay();
434 }
435
436 void SortPrepare()
437 {
438 g_model = GetOwner()->GetModel();
439 g_column = GetOwner()->GetSortingColumn();
440 wxDataViewColumn * col = GetOwner()->GetColumn(g_column);
441 if( !col )
442 {
443 g_asending = true;
444 return;
445 }
446 g_asending = col->IsSortOrderAscending();
447 }
448
449 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
450 wxDataViewCtrl *GetOwner() { return m_owner; }
451 const wxDataViewCtrl *GetOwner() const { return m_owner; }
452
453 void OnPaint( wxPaintEvent &event );
454 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
455 void OnChar( wxKeyEvent &event );
456 void OnMouse( wxMouseEvent &event );
457 void OnSetFocus( wxFocusEvent &event );
458 void OnKillFocus( wxFocusEvent &event );
459
460 void UpdateDisplay();
461 void RecalculateDisplay();
462 void OnInternalIdle();
463
464 void OnRenameTimer();
465
466 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
467 void ScrollTo( int rows, int column );
468
469 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
470 void ChangeCurrentRow( unsigned int row );
471
472 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
473 bool IsEmpty() { return GetRowCount() == 0; }
474
475 int GetCountPerPage() const;
476 int GetEndOfLastCol() const;
477 unsigned int GetFirstVisibleRow() const;
478 //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
479 unsigned int GetLastVisibleRow();
480 unsigned int GetRowCount() ;
481
482 wxDataViewItem GetSelection() const;
483 wxDataViewSelection GetSelections(){ return m_selection; }
484 void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
485 void Select( const wxArrayInt& aSelections );
486 void SelectAllRows( bool on );
487 void SelectRow( unsigned int row, bool on );
488 void SelectRows( unsigned int from, unsigned int to, bool on );
489 void ReverseRowSelection( unsigned int row );
490 bool IsRowSelected( unsigned int row );
491
492 void RefreshRow( unsigned int row );
493 void RefreshRows( unsigned int from, unsigned int to );
494 void RefreshRowsAfter( unsigned int firstRow );
495
496 // returns the colour to be used for drawing the rules
497 wxColour GetRuleColour() const
498 {
499 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
500 }
501
502 //void EnsureVisible( unsigned int row );
503 wxRect GetLineRect( unsigned int row ) const;
504
505 //Some useful functions for row and item mapping
506 wxDataViewItem GetItemByRow( unsigned int row ) const;
507 int GetRowByItem( const wxDataViewItem & item );
508
509 //Methods for building the mapping tree
510 void BuildTree( wxDataViewModel * model );
511 void DestroyTree();
512 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
513 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
514 private:
515 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
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 void OnExpanding( unsigned int row );
523 void OnCollapsing( unsigned int row );
524
525 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
526
527 private:
528 wxDataViewCtrl *m_owner;
529 int m_lineHeight;
530 bool m_dirty;
531
532 wxDataViewColumn *m_currentCol;
533 unsigned int m_currentRow;
534 wxDataViewSelection m_selection;
535
536 wxDataViewRenameTimer *m_renameTimer;
537 bool m_lastOnSame;
538
539 bool m_hasFocus;
540
541 int m_dragCount;
542 wxPoint m_dragStart;
543
544 // for double click logic
545 unsigned int m_lineLastClicked,
546 m_lineBeforeLastClicked,
547 m_lineSelectSingleOnUp;
548
549 // the pen used to draw horiz/vertical rules
550 wxPen m_penRule;
551
552 // the pen used to draw the expander and the lines
553 wxPen m_penExpander;
554
555 //This is the tree structure of the model
556 wxDataViewTreeNode * m_root;
557 int m_count;
558 private:
559 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
560 DECLARE_EVENT_TABLE()
561 };
562
563 // ---------------------------------------------------------
564 // wxGenericDataViewModelNotifier
565 // ---------------------------------------------------------
566
567 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
568 {
569 public:
570 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
571 { m_mainWindow = mainWindow; }
572
573 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
574 { return m_mainWindow->ItemAdded( parent , item ); }
575 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
576 { return m_mainWindow->ItemDeleted( parent, item ); }
577 virtual bool ItemChanged( const wxDataViewItem & item )
578 { return m_mainWindow->ItemChanged(item); }
579 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
580 { return m_mainWindow->ValueChanged( item, col ); }
581 virtual bool Cleared()
582 { return m_mainWindow->Cleared(); }
583 virtual void Resort()
584 { m_mainWindow->Resort(); }
585
586 wxDataViewMainWindow *m_mainWindow;
587 };
588
589 // ---------------------------------------------------------
590 // wxDataViewRenderer
591 // ---------------------------------------------------------
592
593 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
594
595 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
596 wxDataViewCellMode mode,
597 int align) :
598 wxDataViewRendererBase( varianttype, mode, align )
599 {
600 m_dc = NULL;
601 m_align = align;
602 m_mode = mode;
603 }
604
605 wxDataViewRenderer::~wxDataViewRenderer()
606 {
607 if (m_dc)
608 delete m_dc;
609 }
610
611 wxDC *wxDataViewRenderer::GetDC()
612 {
613 if (m_dc == NULL)
614 {
615 if (GetOwner() == NULL)
616 return NULL;
617 if (GetOwner()->GetOwner() == NULL)
618 return NULL;
619 m_dc = new wxClientDC( GetOwner()->GetOwner() );
620 }
621
622 return m_dc;
623 }
624
625 // ---------------------------------------------------------
626 // wxDataViewCustomRenderer
627 // ---------------------------------------------------------
628
629 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
630
631 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
632 wxDataViewCellMode mode, int align ) :
633 wxDataViewRenderer( varianttype, mode, align )
634 {
635 }
636
637 // ---------------------------------------------------------
638 // wxDataViewTextRenderer
639 // ---------------------------------------------------------
640
641 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
642
643 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
644 wxDataViewCellMode mode, int align ) :
645 wxDataViewCustomRenderer( varianttype, mode, align )
646 {
647 }
648
649 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
650 {
651 m_text = value.GetString();
652
653 return true;
654 }
655
656 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
657 {
658 return false;
659 }
660
661 bool wxDataViewTextRenderer::HasEditorCtrl()
662 {
663 return true;
664 }
665
666 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
667 wxRect labelRect, const wxVariant &value )
668 {
669 return new wxTextCtrl( parent, wxID_ANY, value,
670 wxPoint(labelRect.x,labelRect.y),
671 wxSize(labelRect.width,labelRect.height) );
672 }
673
674 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
675 {
676 wxTextCtrl *text = (wxTextCtrl*) editor;
677 value = text->GetValue();
678 return true;
679 }
680
681 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
682 {
683 wxDataViewCtrl *view = GetOwner()->GetOwner();
684 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
685 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
686 view->GetForegroundColour();
687
688 dc->SetTextForeground(col);
689 dc->DrawText( m_text, cell.x, cell.y );
690
691 return true;
692 }
693
694 wxSize wxDataViewTextRenderer::GetSize() const
695 {
696 const wxDataViewCtrl *view = GetView();
697 if (!m_text.empty())
698 {
699 int x,y;
700 view->GetTextExtent( m_text, &x, &y );
701 return wxSize( x, y );
702 }
703 return wxSize(80,20);
704 }
705
706 // ---------------------------------------------------------
707 // wxDataViewBitmapRenderer
708 // ---------------------------------------------------------
709
710 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
711
712 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
713 wxDataViewCellMode mode, int align ) :
714 wxDataViewCustomRenderer( varianttype, mode, align )
715 {
716 }
717
718 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
719 {
720 if (value.GetType() == wxT("wxBitmap"))
721 m_bitmap << value;
722 if (value.GetType() == wxT("wxIcon"))
723 m_icon << value;
724
725 return true;
726 }
727
728 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
729 {
730 return false;
731 }
732
733 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
734 {
735 if (m_bitmap.Ok())
736 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
737 else if (m_icon.Ok())
738 dc->DrawIcon( m_icon, cell.x, cell.y );
739
740 return true;
741 }
742
743 wxSize wxDataViewBitmapRenderer::GetSize() const
744 {
745 if (m_bitmap.Ok())
746 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
747 else if (m_icon.Ok())
748 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
749
750 return wxSize(16,16);
751 }
752
753 // ---------------------------------------------------------
754 // wxDataViewToggleRenderer
755 // ---------------------------------------------------------
756
757 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
758
759 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
760 wxDataViewCellMode mode, int align ) :
761 wxDataViewCustomRenderer( varianttype, mode, align )
762 {
763 m_toggle = false;
764 }
765
766 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
767 {
768 m_toggle = value.GetBool();
769
770 return true;
771 }
772
773 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
774 {
775 return false;
776 }
777
778 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
779 {
780 // User wxRenderer here
781
782 wxRect rect;
783 rect.x = cell.x + cell.width/2 - 10;
784 rect.width = 20;
785 rect.y = cell.y + cell.height/2 - 10;
786 rect.height = 20;
787
788 int flags = 0;
789 if (m_toggle)
790 flags |= wxCONTROL_CHECKED;
791 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
792 flags |= wxCONTROL_DISABLED;
793
794 wxRendererNative::Get().DrawCheckBox(
795 GetOwner()->GetOwner(),
796 *dc,
797 rect,
798 flags );
799
800 return true;
801 }
802
803 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
804 wxDataViewModel *model,
805 const wxDataViewItem & item, unsigned int col)
806 {
807 bool value = !m_toggle;
808 wxVariant variant = value;
809 model->SetValue( variant, item, col);
810 model->ValueChanged( item, col );
811 return true;
812 }
813
814 wxSize wxDataViewToggleRenderer::GetSize() const
815 {
816 return wxSize(20,20);
817 }
818
819 // ---------------------------------------------------------
820 // wxDataViewProgressRenderer
821 // ---------------------------------------------------------
822
823 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
824
825 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
826 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
827 wxDataViewCustomRenderer( varianttype, mode, align )
828 {
829 m_label = label;
830 m_value = 0;
831 }
832
833 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
834 {
835 }
836
837 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
838 {
839 m_value = (long) value;
840
841 if (m_value < 0) m_value = 0;
842 if (m_value > 100) m_value = 100;
843
844 return true;
845 }
846
847 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
848 {
849 value = (long) m_value;
850 return true;
851 }
852
853 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
854 {
855 double pct = (double)m_value / 100.0;
856 wxRect bar = cell;
857 bar.width = (int)(cell.width * pct);
858 dc->SetPen( *wxTRANSPARENT_PEN );
859 dc->SetBrush( *wxBLUE_BRUSH );
860 dc->DrawRectangle( bar );
861
862 dc->SetBrush( *wxTRANSPARENT_BRUSH );
863 dc->SetPen( *wxBLACK_PEN );
864 dc->DrawRectangle( cell );
865
866 return true;
867 }
868
869 wxSize wxDataViewProgressRenderer::GetSize() const
870 {
871 return wxSize(40,12);
872 }
873
874 // ---------------------------------------------------------
875 // wxDataViewDateRenderer
876 // ---------------------------------------------------------
877
878 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
879
880 #if wxUSE_DATE_RENDERER_POPUP
881
882 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
883 {
884 public:
885 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
886 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
887 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
888 m_item( item )
889 {
890 m_model = model;
891 m_col = col;
892 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
893 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
894 sizer->Add( m_cal, 1, wxGROW );
895 SetSizer( sizer );
896 sizer->Fit( this );
897 }
898
899 void OnCalendar( wxCalendarEvent &event );
900
901 wxCalendarCtrl *m_cal;
902 wxDataViewModel *m_model;
903 unsigned int m_col;
904 const wxDataViewItem & m_item;
905
906 protected:
907 virtual void OnDismiss()
908 {
909 }
910
911 private:
912 DECLARE_EVENT_TABLE()
913 };
914
915 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
916 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
917 END_EVENT_TABLE()
918
919 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
920 {
921 wxDateTime date = event.GetDate();
922 wxVariant value = date;
923 m_model->SetValue( value, m_item, m_col );
924 m_model->ValueChanged( m_item, m_col );
925 DismissAndNotify();
926 }
927
928 #endif // wxUSE_DATE_RENDERER_POPUP
929
930 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
931
932 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
933 wxDataViewCellMode mode, int align ) :
934 wxDataViewCustomRenderer( varianttype, mode, align )
935 {
936 }
937
938 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
939 {
940 m_date = value.GetDateTime();
941
942 return true;
943 }
944
945 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
946 {
947 value = m_date;
948 return true;
949 }
950
951 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
952 {
953 dc->SetFont( GetOwner()->GetOwner()->GetFont() );
954 wxString tmp = m_date.FormatDate();
955 dc->DrawText( tmp, cell.x, cell.y );
956
957 return true;
958 }
959
960 wxSize wxDataViewDateRenderer::GetSize() const
961 {
962 const wxDataViewCtrl* view = GetView();
963 wxString tmp = m_date.FormatDate();
964 wxCoord x,y,d;
965 view->GetTextExtent( tmp, &x, &y, &d );
966 return wxSize(x,y+d);
967 }
968
969 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
970 const wxDataViewItem & item, unsigned int col )
971 {
972 wxVariant variant;
973 model->GetValue( variant, item, col );
974 wxDateTime value = variant.GetDateTime();
975
976 #if wxUSE_DATE_RENDERER_POPUP
977 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
978 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
979 wxPoint pos = wxGetMousePosition();
980 popup->Move( pos );
981 popup->Layout();
982 popup->Popup( popup->m_cal );
983 #else // !wxUSE_DATE_RENDERER_POPUP
984 wxMessageBox(value.Format());
985 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
986 return true;
987 }
988
989 // ---------------------------------------------------------
990 // wxDataViewColumn
991 // ---------------------------------------------------------
992
993 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
994
995 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
996 unsigned int model_column,
997 int width, wxAlignment align, int flags ) :
998 wxDataViewColumnBase( title, cell, model_column, width, align, flags )
999 {
1000 SetAlignment(align);
1001 SetTitle(title);
1002 SetFlags(flags);
1003
1004 Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
1005 }
1006
1007 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
1008 unsigned int model_column,
1009 int width, wxAlignment align, int flags ) :
1010 wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
1011 {
1012 SetAlignment(align);
1013 SetFlags(flags);
1014
1015 Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
1016 }
1017
1018 wxDataViewColumn::~wxDataViewColumn()
1019 {
1020 }
1021
1022 void wxDataViewColumn::Init( int width )
1023 {
1024 m_width = width;
1025 m_minWidth = wxDVC_DEFAULT_MINWIDTH;
1026 m_ascending = true;
1027 }
1028
1029 void wxDataViewColumn::SetResizeable( bool resizeable )
1030 {
1031 if (resizeable)
1032 m_flags |= wxDATAVIEW_COL_RESIZABLE;
1033 else
1034 m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
1035 }
1036
1037 void wxDataViewColumn::SetHidden( bool hidden )
1038 {
1039 if (hidden)
1040 m_flags |= wxDATAVIEW_COL_HIDDEN;
1041 else
1042 m_flags &= ~wxDATAVIEW_COL_HIDDEN;
1043
1044 // tell our owner to e.g. update its scrollbars:
1045 if (GetOwner())
1046 GetOwner()->OnColumnChange();
1047 }
1048
1049 void wxDataViewColumn::SetSortable( bool sortable )
1050 {
1051 if (sortable)
1052 m_flags |= wxDATAVIEW_COL_SORTABLE;
1053 else
1054 m_flags &= ~wxDATAVIEW_COL_SORTABLE;
1055
1056 // Update header button
1057 if (GetOwner())
1058 GetOwner()->OnColumnChange();
1059 }
1060
1061 void wxDataViewColumn::SetSortOrder( bool ascending )
1062 {
1063 m_ascending = ascending;
1064
1065 // Update header button
1066 if (GetOwner())
1067 GetOwner()->OnColumnChange();
1068 }
1069
1070 bool wxDataViewColumn::IsSortOrderAscending() const
1071 {
1072 return m_ascending;
1073 }
1074
1075 void wxDataViewColumn::SetInternalWidth( int width )
1076 {
1077 m_width = width;
1078
1079 // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1080 if (m_owner && m_owner->m_clientArea)
1081 m_owner->m_clientArea->RecalculateDisplay();
1082 }
1083
1084 void wxDataViewColumn::SetWidth( int width )
1085 {
1086 m_owner->m_headerArea->UpdateDisplay();
1087
1088 SetInternalWidth(width);
1089 }
1090
1091
1092 //-----------------------------------------------------------------------------
1093 // wxDataViewHeaderWindowBase
1094 //-----------------------------------------------------------------------------
1095
1096 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1097 {
1098 wxWindow *parent = GetParent();
1099 wxDataViewEvent le(type, parent->GetId());
1100
1101 le.SetEventObject(parent);
1102 le.SetColumn(n);
1103 le.SetDataViewColumn(GetColumn(n));
1104 le.SetModel(GetOwner()->GetModel());
1105
1106 // for events created by wxDataViewHeaderWindow the
1107 // row / value fields are not valid
1108
1109 parent->GetEventHandler()->ProcessEvent(le);
1110 }
1111
1112 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
1113
1114 // implemented in msw/listctrl.cpp:
1115 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1116
1117 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1118
1119 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1120 const wxPoint &pos, const wxSize &size,
1121 const wxString &name )
1122 {
1123 m_owner = parent;
1124
1125 if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
1126 return false;
1127
1128 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1129 y = pos.y == wxDefaultCoord ? 0 : pos.y,
1130 w = size.x == wxDefaultCoord ? 1 : size.x,
1131 h = size.y == wxDefaultCoord ? 22 : size.y;
1132
1133 // create the native WC_HEADER window:
1134 WXHWND hwndParent = (HWND)parent->GetHandle();
1135 WXDWORD msStyle = WS_CHILD | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1136 m_hWnd = CreateWindowEx(0,
1137 WC_HEADER,
1138 (LPCTSTR) NULL,
1139 msStyle,
1140 x, y, w, h,
1141 (HWND)hwndParent,
1142 (HMENU)-1,
1143 wxGetInstance(),
1144 (LPVOID) NULL);
1145 if (m_hWnd == NULL)
1146 {
1147 wxLogLastError(_T("CreateWindowEx"));
1148 return false;
1149 }
1150
1151 // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1152 // to call wxDataViewHeaderWindow::MSWOnNotify
1153 SubclassWin(m_hWnd);
1154
1155 // the following is required to get the default win's font for
1156 // header windows and must be done befor sending the HDM_LAYOUT msg
1157 SetFont(GetFont());
1158
1159 RECT rcParent;
1160 HDLAYOUT hdl;
1161 WINDOWPOS wp;
1162
1163 // Retrieve the bounding rectangle of the parent window's
1164 // client area, and then request size and position values
1165 // from the header control.
1166 ::GetClientRect((HWND)hwndParent, &rcParent);
1167
1168 hdl.prc = &rcParent;
1169 hdl.pwpos = &wp;
1170 if (!SendMessage((HWND)m_hWnd, HDM_LAYOUT, 0, (LPARAM) &hdl))
1171 {
1172 wxLogLastError(_T("SendMessage"));
1173 return false;
1174 }
1175
1176 // Set the size, position, and visibility of the header control.
1177 SetWindowPos((HWND)m_hWnd,
1178 wp.hwndInsertAfter,
1179 wp.x, wp.y,
1180 wp.cx, wp.cy,
1181 wp.flags | SWP_SHOWWINDOW);
1182
1183 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1184 // a wxBoxSizer and in order to avoid super-big header windows,
1185 // we need to set our height as fixed
1186 SetMinSize(wxSize(-1, wp.cy));
1187 SetMaxSize(wxSize(-1, wp.cy));
1188
1189 return true;
1190 }
1191
1192 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1193 {
1194 UnsubclassWin();
1195 }
1196
1197 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1198 {
1199 // remove old columns
1200 for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1201 Header_DeleteItem((HWND)m_hWnd, 0);
1202
1203 // add the updated array of columns to the header control
1204 unsigned int cols = GetOwner()->GetColumnCount();
1205 unsigned int added = 0;
1206 wxDataViewModel * model = GetOwner()->GetModel();
1207 for (unsigned int i = 0; i < cols; i++)
1208 {
1209 wxDataViewColumn *col = GetColumn( i );
1210 if (col->IsHidden())
1211 continue; // don't add it!
1212
1213 HDITEM hdi;
1214 hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1215 hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1216 hdi.cxy = col->GetWidth();
1217 hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1218 hdi.fmt = HDF_LEFT | HDF_STRING;
1219 //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1220
1221 //sorting support
1222 if(model && m_owner->GetSortingColumn() == i)
1223 {
1224 //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1225 //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1226 //hdi.fmt |= model->GetSortOrderAscending()? HDF_SORTUP:HDF_SORTDOWN;
1227 ;
1228 }
1229
1230 // lParam is reserved for application's use:
1231 // we store there the column index to use it later in MSWOnNotify
1232 // (since columns may have been hidden)
1233 hdi.lParam = (LPARAM)i;
1234
1235 // the native wxMSW implementation of the header window
1236 // draws the column separator COLUMN_WIDTH_OFFSET pixels
1237 // on the right: to correct this effect we make the column
1238 // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1239 if (i == 0)
1240 hdi.cxy += COLUMN_WIDTH_OFFSET;
1241
1242 switch (col->GetAlignment())
1243 {
1244 case wxALIGN_LEFT:
1245 hdi.fmt |= HDF_LEFT;
1246 break;
1247 case wxALIGN_CENTER:
1248 case wxALIGN_CENTER_HORIZONTAL:
1249 hdi.fmt |= HDF_CENTER;
1250 break;
1251 case wxALIGN_RIGHT:
1252 hdi.fmt |= HDF_RIGHT;
1253 break;
1254
1255 default:
1256 // such alignment is not allowed for the column header!
1257 wxFAIL;
1258 }
1259
1260 SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1261 (WPARAM)added, (LPARAM)&hdi);
1262 added++;
1263 }
1264 }
1265
1266 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1267 {
1268 unsigned int idx;
1269
1270 // NOTE: we don't just return nmHDR->iItem because when there are
1271 // hidden columns, nmHDR->iItem may be different from
1272 // nmHDR->pitem->lParam
1273
1274 if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1275 {
1276 idx = (unsigned int)nmHDR->pitem->lParam;
1277 return idx;
1278 }
1279
1280 HDITEM item;
1281 item.mask = HDI_LPARAM;
1282 Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1283
1284 return (unsigned int)item.lParam;
1285 }
1286
1287 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1288 {
1289 NMHDR *nmhdr = (NMHDR *)lParam;
1290
1291 // is it a message from the header?
1292 if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1293 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1294
1295 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1296 switch ( nmhdr->code )
1297 {
1298 case HDN_BEGINTRACK:
1299 // user has started to resize a column:
1300 // do we need to veto it?
1301 if (!GetColumn(nmHDR->iItem)->IsResizeable())
1302 {
1303 // veto it!
1304 *result = TRUE;
1305 }
1306 break;
1307
1308 case HDN_BEGINDRAG:
1309 // user has started to reorder a column
1310 break;
1311
1312 case HDN_ITEMCHANGING:
1313 if (nmHDR->pitem != NULL &&
1314 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1315 {
1316 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1317 if (nmHDR->pitem->cxy < minWidth)
1318 {
1319 // do not allow the user to resize this column under
1320 // its minimal width:
1321 *result = TRUE;
1322 }
1323 }
1324 break;
1325
1326 case HDN_ITEMCHANGED: // user is resizing a column
1327 case HDN_ENDTRACK: // user has finished resizing a column
1328 case HDN_ENDDRAG: // user has finished reordering a column
1329
1330 // update the width of the modified column:
1331 if (nmHDR->pitem != NULL &&
1332 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1333 {
1334 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1335 unsigned int w = nmHDR->pitem->cxy;
1336 wxDataViewColumn *col = GetColumn(idx);
1337
1338 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1339 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1340 w -= COLUMN_WIDTH_OFFSET;
1341
1342 if (w >= (unsigned)col->GetMinWidth())
1343 col->SetInternalWidth(w);
1344 }
1345 break;
1346
1347 case HDN_ITEMCLICK:
1348 {
1349 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1350 wxDataViewModel * model = GetOwner()->GetModel();
1351
1352 if(nmHDR->iButton == 0)
1353 {
1354 wxDataViewColumn *col = GetColumn(idx);
1355 if(col->IsSortable())
1356 {
1357 if(model && m_owner->GetSortingColumn() == idx)
1358 {
1359 bool order = col->IsSortOrderAscending();
1360 col->SetSortOrder(!order);
1361 }
1362 else if(model)
1363 {
1364 m_owner->SetSortingColumn(idx);
1365 }
1366 }
1367 UpdateDisplay();
1368 if(model)
1369 model->Resort();
1370 }
1371
1372 wxEventType evt = nmHDR->iButton == 0 ?
1373 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1374 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1375 SendEvent(evt, idx);
1376 }
1377 break;
1378
1379 case NM_RCLICK:
1380 {
1381 // NOTE: for some reason (i.e. for a bug in Windows)
1382 // the HDN_ITEMCLICK notification is not sent on
1383 // right clicks, so we need to handle NM_RCLICK
1384
1385 POINT ptClick;
1386 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1387 if (column != wxNOT_FOUND)
1388 {
1389 HDITEM item;
1390 item.mask = HDI_LPARAM;
1391 Header_GetItem((HWND)m_hWnd, column, &item);
1392
1393 // 'idx' may be different from 'column' if there are
1394 // hidden columns...
1395 unsigned int idx = (unsigned int)item.lParam;
1396 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1397 idx);
1398 }
1399 }
1400 break;
1401
1402 case HDN_GETDISPINFOW:
1403 // see wxListCtrl::MSWOnNotify for more info!
1404 break;
1405
1406 case HDN_ITEMDBLCLICK:
1407 {
1408 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1409 int w = GetOwner()->GetBestColumnWidth(idx);
1410
1411 // update the native control:
1412 HDITEM hd;
1413 ZeroMemory(&hd, sizeof(hd));
1414 hd.mask = HDI_WIDTH;
1415 hd.cxy = w;
1416 Header_SetItem(GetHwnd(),
1417 nmHDR->iItem, // NOTE: we don't want 'idx' here!
1418 &hd);
1419
1420 // update the wxDataViewColumn class:
1421 GetColumn(idx)->SetInternalWidth(w);
1422 }
1423 break;
1424
1425 default:
1426 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1427 }
1428
1429 return true;
1430 }
1431
1432 void wxDataViewHeaderWindowMSW::ScrollWindow(int WXUNUSED(dx), int WXUNUSED(dy),
1433 const wxRect *WXUNUSED(rect))
1434 {
1435 wxSize ourSz = GetClientSize();
1436 wxSize ownerSz = m_owner->GetClientSize();
1437
1438 // where should the (logical) origin of this window be placed?
1439 int x1 = 0, y1 = 0;
1440 m_owner->CalcUnscrolledPosition(0, 0, &x1, &y1);
1441
1442 // put this window on top of our parent and
1443 SetWindowPos((HWND)m_hWnd, HWND_TOP, -x1, 0,
1444 ownerSz.GetWidth() + x1, ourSz.GetHeight(),
1445 SWP_SHOWWINDOW);
1446 }
1447
1448 void wxDataViewHeaderWindowMSW::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
1449 int WXUNUSED(w), int WXUNUSED(h),
1450 int WXUNUSED(f))
1451 {
1452 // the wxDataViewCtrl's internal wxBoxSizer will call this function when
1453 // the wxDataViewCtrl window gets resized: the following dummy call
1454 // to ScrollWindow() is required in order to get this header window
1455 // correctly repainted when it's (horizontally) scrolled:
1456
1457 ScrollWindow(0, 0);
1458 }
1459
1460 #else // !defined(__WXMSW__)
1461
1462 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1463 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1464 EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
1465 EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
1466 EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
1467 END_EVENT_TABLE()
1468
1469 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1470 const wxPoint &pos, const wxSize &size,
1471 const wxString &name )
1472 {
1473 m_owner = parent;
1474
1475 if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1476 return false;
1477
1478 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1479 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1480 SetOwnForegroundColour( attr.colFg );
1481 SetOwnBackgroundColour( attr.colBg );
1482 if (!m_hasFont)
1483 SetOwnFont( attr.font );
1484
1485 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1486 // a wxBoxSizer and in order to avoid super-big header windows,
1487 // we need to set our height as fixed
1488 SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1489 SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1490
1491 return true;
1492 }
1493
1494 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1495 {
1496 int w, h;
1497 GetClientSize( &w, &h );
1498
1499 wxAutoBufferedPaintDC dc( this );
1500
1501 dc.SetBackground(GetBackgroundColour());
1502 dc.Clear();
1503
1504 int xpix;
1505 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1506
1507 int x;
1508 m_owner->GetViewStart( &x, NULL );
1509
1510 // account for the horz scrollbar offset
1511 dc.SetDeviceOrigin( -x * xpix, 0 );
1512
1513 dc.SetFont( GetFont() );
1514
1515 unsigned int cols = GetOwner()->GetColumnCount();
1516 unsigned int i;
1517 int xpos = 0;
1518 for (i = 0; i < cols; i++)
1519 {
1520 wxDataViewColumn *col = GetColumn( i );
1521 if (col->IsHidden())
1522 continue; // skip it!
1523
1524 int cw = col->GetWidth();
1525 int ch = h;
1526
1527 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1528 if (col->IsSortable() && GetOwner()->GetSortingColumn() == i)
1529 {
1530 if (col->IsSortOrderAscending())
1531 sortArrow = wxHDR_SORT_ICON_UP;
1532 else
1533 sortArrow = wxHDR_SORT_ICON_DOWN;
1534 }
1535
1536 wxRendererNative::Get().DrawHeaderButton
1537 (
1538 this,
1539 dc,
1540 wxRect(xpos, 0, cw, ch-1),
1541 m_parent->IsEnabled() ? 0
1542 : (int)wxCONTROL_DISABLED,
1543 sortArrow
1544 );
1545
1546 // align as required the column title:
1547 int x = xpos;
1548 wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1549 switch (col->GetAlignment())
1550 {
1551 case wxALIGN_LEFT:
1552 x += HEADER_HORIZ_BORDER;
1553 break;
1554 case wxALIGN_CENTER:
1555 case wxALIGN_CENTER_HORIZONTAL:
1556 x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1557 break;
1558 case wxALIGN_RIGHT:
1559 x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1560 break;
1561 }
1562
1563 // always center the title vertically:
1564 int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1565
1566 dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1567 HEADER_VERT_BORDER,
1568 wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
1569 wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
1570 dc.DrawText( col->GetTitle(), x, y );
1571 dc.DestroyClippingRegion();
1572
1573 xpos += cw;
1574 }
1575 }
1576
1577 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1578 {
1579 GetParent()->SetFocus();
1580 event.Skip();
1581 }
1582
1583 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1584 {
1585 // we want to work with logical coords
1586 int x;
1587 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1588 int y = event.GetY();
1589
1590 if (m_isDragging)
1591 {
1592 // we don't draw the line beyond our window,
1593 // but we allow dragging it there
1594 int w = 0;
1595 GetClientSize( &w, NULL );
1596 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1597 w -= 6;
1598
1599 // erase the line if it was drawn
1600 if (m_currentX < w)
1601 DrawCurrent();
1602
1603 if (event.ButtonUp())
1604 {
1605 m_isDragging = false;
1606 if (HasCapture())
1607 ReleaseMouse();
1608
1609 m_dirty = true;
1610
1611 GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1612
1613 Refresh();
1614 GetOwner()->Refresh();
1615 }
1616 else
1617 {
1618 m_currentX = wxMax(m_minX + 7, x);
1619
1620 // draw in the new location
1621 if (m_currentX < w) DrawCurrent();
1622 }
1623
1624 }
1625 else // not dragging
1626 {
1627 m_minX = 0;
1628 m_column = wxNOT_FOUND;
1629
1630 bool hit_border = false;
1631
1632 // end of the current column
1633 int xpos = 0;
1634
1635 // find the column where this event occured
1636 int countCol = m_owner->GetColumnCount();
1637 for (int column = 0; column < countCol; column++)
1638 {
1639 wxDataViewColumn *p = GetColumn(column);
1640
1641 if (p->IsHidden())
1642 continue; // skip if not shown
1643
1644 xpos += p->GetWidth();
1645 m_column = column;
1646 if ((abs(x-xpos) < 3) && (y < 22))
1647 {
1648 hit_border = true;
1649 break;
1650 }
1651
1652 if (x < xpos)
1653 {
1654 // inside the column
1655 break;
1656 }
1657
1658 m_minX = xpos;
1659 }
1660
1661 if (m_column == wxNOT_FOUND)
1662 return;
1663
1664 bool resizeable = GetColumn(m_column)->IsResizeable();
1665 if (event.LeftDClick() && resizeable)
1666 {
1667 GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1668 Refresh();
1669 }
1670 else if (event.LeftDown() || event.RightUp())
1671 {
1672 if (hit_border && event.LeftDown() && resizeable)
1673 {
1674 m_isDragging = true;
1675 CaptureMouse();
1676 m_currentX = x;
1677 DrawCurrent();
1678 }
1679 else // click on a column
1680 {
1681 wxDataViewModel * model = GetOwner()->GetModel();
1682 wxEventType evt = event.LeftDown() ?
1683 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1684 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1685 SendEvent(evt, m_column);
1686
1687 //Left click the header
1688 if(event.LeftDown())
1689 {
1690 wxDataViewColumn *col = GetColumn(m_column);
1691 if(col->IsSortable())
1692 {
1693 unsigned int colnum = m_owner->GetSortingColumn();
1694 if(model && static_cast<int>(colnum) == m_column)
1695 {
1696 bool order = col->IsSortOrderAscending();
1697 col->SetSortOrder(!order);
1698 }
1699 else if(model)
1700 {
1701 m_owner->SetSortingColumn(m_column);
1702 }
1703 }
1704 UpdateDisplay();
1705 if(model)
1706 model->Resort();
1707 //Send the column sorted event
1708 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1709 }
1710 }
1711 }
1712 else if (event.Moving())
1713 {
1714 if (hit_border && resizeable)
1715 m_currentCursor = m_resizeCursor;
1716 else
1717 m_currentCursor = wxSTANDARD_CURSOR;
1718
1719 SetCursor(*m_currentCursor);
1720 }
1721 }
1722 }
1723
1724 void wxGenericDataViewHeaderWindow::DrawCurrent()
1725 {
1726 int x1 = m_currentX;
1727 int y1 = 0;
1728 ClientToScreen (&x1, &y1);
1729
1730 int x2 = m_currentX-1;
1731 #ifdef __WXMSW__
1732 ++x2; // but why ????
1733 #endif
1734 int y2 = 0;
1735 m_owner->GetClientSize( NULL, &y2 );
1736 m_owner->ClientToScreen( &x2, &y2 );
1737
1738 wxScreenDC dc;
1739 dc.SetLogicalFunction(wxINVERT);
1740 dc.SetPen(m_penCurrent);
1741 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1742 AdjustDC(dc);
1743 dc.DrawLine(x1, y1, x2, y2);
1744 }
1745
1746 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1747 {
1748 int xpix, x;
1749
1750 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1751 m_owner->GetViewStart( &x, NULL );
1752
1753 // shift the DC origin to match the position of the main window horizontal
1754 // scrollbar: this allows us to always use logical coords
1755 dc.SetDeviceOrigin( -x * xpix, 0 );
1756 }
1757
1758 #endif // defined(__WXMSW__)
1759
1760 //-----------------------------------------------------------------------------
1761 // wxDataViewRenameTimer
1762 //-----------------------------------------------------------------------------
1763
1764 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1765 {
1766 m_owner = owner;
1767 }
1768
1769 void wxDataViewRenameTimer::Notify()
1770 {
1771 m_owner->OnRenameTimer();
1772 }
1773
1774 //-----------------------------------------------------------------------------
1775 // wxDataViewMainWindow
1776 //-----------------------------------------------------------------------------
1777
1778 //The tree building helper, declared firstly
1779 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1780
1781 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1782 {
1783 if (row1 > row2) return 1;
1784 if (row1 == row2) return 0;
1785 return -1;
1786 }
1787
1788
1789 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1790
1791 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1792 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1793 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1794 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1795 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1796 EVT_CHAR (wxDataViewMainWindow::OnChar)
1797 END_EVENT_TABLE()
1798
1799 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1800 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1801 wxWindow( parent, id, pos, size, wxWANTS_CHARS, name ),
1802 m_selection( wxDataViewSelectionCmp )
1803
1804 {
1805 SetOwner( parent );
1806
1807 m_lastOnSame = false;
1808 m_renameTimer = new wxDataViewRenameTimer( this );
1809
1810 // TODO: user better initial values/nothing selected
1811 m_currentCol = NULL;
1812 m_currentRow = 0;
1813
1814 // TODO: we need to calculate this smartly
1815 m_lineHeight =
1816 #ifdef __WXMSW__
1817 17;
1818 #else
1819 20;
1820 #endif
1821 wxASSERT(m_lineHeight > 2*PADDING_TOPBOTTOM);
1822
1823 m_dragCount = 0;
1824 m_dragStart = wxPoint(0,0);
1825 m_lineLastClicked = (unsigned int) -1;
1826 m_lineBeforeLastClicked = (unsigned int) -1;
1827 m_lineSelectSingleOnUp = (unsigned int) -1;
1828
1829 m_hasFocus = false;
1830
1831 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1832 SetBackgroundColour( *wxWHITE );
1833
1834 m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
1835
1836 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1837 m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
1838 //Some new added code to deal with the tree structure
1839 m_root = new wxDataViewTreeNode( NULL );
1840 m_root->SetHasChildren(true);
1841
1842 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1843 m_count = -1 ;
1844 UpdateDisplay();
1845 }
1846
1847 wxDataViewMainWindow::~wxDataViewMainWindow()
1848 {
1849 DestroyTree();
1850 delete m_renameTimer;
1851 }
1852
1853 void wxDataViewMainWindow::OnRenameTimer()
1854 {
1855 // We have to call this here because changes may just have
1856 // been made and no screen update taken place.
1857 if ( m_dirty )
1858 wxSafeYield();
1859
1860 int xpos = 0;
1861 unsigned int cols = GetOwner()->GetColumnCount();
1862 unsigned int i;
1863 for (i = 0; i < cols; i++)
1864 {
1865 wxDataViewColumn *c = GetOwner()->GetColumn( i );
1866 if (c->IsHidden())
1867 continue; // skip it!
1868
1869 if (c == m_currentCol)
1870 break;
1871 xpos += c->GetWidth();
1872 }
1873 wxRect labelRect( xpos, m_currentRow * m_lineHeight,
1874 m_currentCol->GetWidth(), m_lineHeight );
1875
1876 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1877 &labelRect.x, &labelRect.y);
1878
1879 wxDataViewItem item = GetItemByRow( m_currentRow );
1880 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1881 }
1882
1883 //------------------------------------------------------------------
1884 // Helper class for do operation on the tree node
1885 //------------------------------------------------------------------
1886 class DoJob
1887 {
1888 public:
1889 DoJob(){};
1890 virtual ~DoJob(){};
1891
1892 //The return value control how the tree-walker tranverse the tree
1893 // 0: Job done, stop tranverse and return
1894 // 1: Ignore the current node's subtree and continue
1895 // 2: Job not done, continue
1896 enum { OK = 0 , IGR = 1, CONT = 2 };
1897 virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
1898 virtual int operator() ( void * n ) = 0;
1899 };
1900
1901 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1902 {
1903 if( node==NULL || !node->HasChildren())
1904 return false;
1905
1906 switch( func( node ) )
1907 {
1908 case DoJob::OK :
1909 return true ;
1910 case DoJob::IGR:
1911 return false;
1912 case DoJob::CONT:
1913 default:
1914 ;
1915 }
1916
1917 wxDataViewTreeNodes nodes = node->GetNodes();
1918 wxDataViewTreeLeaves leaves = node->GetChildren();
1919
1920 int len_nodes = nodes.GetCount();
1921 int len = leaves.GetCount();
1922 int i = 0, nodes_i = 0;
1923
1924 for( ; i < len ; i ++ )
1925 {
1926 void * n = leaves[i];
1927 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1928 {
1929 wxDataViewTreeNode * nd = nodes[nodes_i];
1930 nodes_i++;
1931
1932 if( Walker( nd , func ) )
1933 return true;
1934
1935 }
1936 else
1937 switch( func( n ) )
1938 {
1939 case DoJob::OK :
1940 return true ;
1941 case DoJob::IGR:
1942 continue;
1943 case DoJob::CONT:
1944 default:
1945 ;
1946 }
1947 }
1948 return false;
1949 }
1950
1951 void wxDataViewMainWindow::SendModelEvent( wxEventType type, const wxDataViewItem & item )
1952 {
1953 wxWindow *parent = GetParent();
1954 wxDataViewEvent le(type, parent->GetId());
1955
1956 le.SetEventObject(parent);
1957 le.SetModel(GetOwner()->GetModel());
1958 le.SetItem( item );
1959
1960 parent->GetEventHandler()->ProcessEvent(le);
1961 }
1962
1963 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1964 {
1965 SortPrepare();
1966
1967 wxDataViewTreeNode * node;
1968 node = FindNode(parent);
1969 SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED, item );
1970
1971 if( node == NULL )
1972 return false;
1973
1974 node->SetHasChildren( true );
1975
1976 if( g_model->IsContainer( item ) )
1977 {
1978 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1979 newnode->SetItem(item);
1980 newnode->SetHasChildren( true );
1981 node->AddNode( newnode);
1982 }
1983 else
1984 node->AddLeaf( item.GetID() );
1985
1986 node->ChangeSubTreeCount(1);
1987
1988 m_count = -1;
1989 UpdateDisplay();
1990
1991 return true;
1992 }
1993
1994 void DestroyTreeHelper( wxDataViewTreeNode * node);
1995
1996 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
1997 const wxDataViewItem& item)
1998 {
1999 SortPrepare();
2000
2001 wxDataViewTreeNode * node;
2002 node = FindNode(parent);
2003
2004 SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_DELETED, item);
2005 if( node == NULL || node->GetChildren().Index( item.GetID() ) == wxNOT_FOUND )
2006 {
2007 return false;
2008 }
2009
2010 int sub = -1;
2011 node->GetChildren().Remove( item.GetID() );
2012 //Manuplate selection
2013 if( m_selection.GetCount() > 1 )
2014 {
2015 int row = m_selection[0];
2016 m_selection.Empty();
2017 m_selection.Add(row);
2018 }
2019
2020 if( GetOwner()->GetModel()->IsContainer( item ) )
2021 {
2022 wxDataViewTreeNode * n = NULL;
2023 wxDataViewTreeNodes nodes = node->GetNodes();
2024 int len = nodes.GetCount();
2025 for( int i = 0 ; i < len; i ++)
2026 {
2027 if( nodes[i]->GetItem() == item )
2028 {
2029 n = nodes[i];
2030 break;
2031 }
2032 }
2033
2034 if (!n)
2035 return false;
2036
2037 node->GetNodes().Remove( n );
2038 sub -= n->GetSubTreeCount();
2039 DestroyTreeHelper(n);
2040 }
2041
2042 if( node->GetChildrenNumber() == 0)
2043 node->SetHasChildren( false );
2044
2045 //Make the row number invalid and get a new valid one when user call GetRowCount
2046 m_count = -1;
2047 node->ChangeSubTreeCount(sub);
2048 //Change the current row to the last row if the current exceed the max row number
2049 if( m_currentRow > GetRowCount() )
2050 m_currentRow = m_count - 1;
2051
2052 UpdateDisplay();
2053 return true;
2054 }
2055
2056 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2057 {
2058 SortPrepare();
2059 g_model->Resort();
2060
2061 SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_CHANGED,item);
2062
2063 return true;
2064 }
2065
2066 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2067 {
2068 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2069 /*#define MAX_VIRTUAL_WIDTH 100000
2070
2071 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2072 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2073 Refresh( true, &rect );
2074
2075 return true;
2076 */
2077 SortPrepare();
2078 g_model->Resort();
2079
2080 //Send event
2081 wxWindow *parent = GetParent();
2082 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_MODEL_VALUE_CHANGED, parent->GetId());
2083 le.SetEventObject(parent);
2084 le.SetModel(GetOwner()->GetModel());
2085 le.SetItem(item);
2086 le.SetColumn(col);
2087 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2088 parent->GetEventHandler()->ProcessEvent(le);
2089
2090 return true;
2091 }
2092
2093 bool wxDataViewMainWindow::Cleared()
2094 {
2095 SortPrepare();
2096
2097 DestroyTree();
2098 UpdateDisplay();
2099
2100 wxWindow *parent = GetParent();
2101 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_MODEL_CLEARED, parent->GetId());
2102 le.SetEventObject(parent);
2103 le.SetModel(GetOwner()->GetModel());
2104 parent->GetEventHandler()->ProcessEvent(le);
2105
2106 return true;
2107 }
2108
2109 void wxDataViewMainWindow::UpdateDisplay()
2110 {
2111 m_dirty = true;
2112 }
2113
2114 void wxDataViewMainWindow::OnInternalIdle()
2115 {
2116 wxWindow::OnInternalIdle();
2117
2118 if (m_dirty)
2119 {
2120 RecalculateDisplay();
2121 m_dirty = false;
2122 }
2123 }
2124
2125 void wxDataViewMainWindow::RecalculateDisplay()
2126 {
2127 wxDataViewModel *model = GetOwner()->GetModel();
2128 if (!model)
2129 {
2130 Refresh();
2131 return;
2132 }
2133
2134 int width = GetEndOfLastCol();
2135 int height = GetRowCount() * m_lineHeight;
2136
2137 SetVirtualSize( width, height );
2138 GetOwner()->SetScrollRate( 10, m_lineHeight );
2139
2140 Refresh();
2141 }
2142
2143 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2144 {
2145 wxWindow::ScrollWindow( dx, dy, rect );
2146
2147 if (GetOwner()->m_headerArea)
2148 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2149 }
2150
2151 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2152 {
2153 int x, y;
2154 m_owner->GetScrollPixelsPerUnit( &x, &y );
2155 int sy = rows*m_lineHeight/y;
2156 int sx = 0;
2157 if( column != -1 )
2158 {
2159 wxRect rect = GetClientRect();
2160 unsigned int colnum = 0;
2161 unsigned int x_start = 0, x_end = 0, w = 0;
2162 int xx, yy, xe;
2163 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2164 for (x_start = 0; colnum < column; colnum++)
2165 {
2166 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2167 if (col->IsHidden())
2168 continue; // skip it!
2169
2170 w = col->GetWidth();
2171 x_start += w;
2172 }
2173
2174 x_end = x_start + w;
2175 xe = xx + rect.width;
2176 if( x_end > xe )
2177 {
2178 sx = ( xx + x_end - xe )/x;
2179 }
2180 if( x_start < xx )
2181 {
2182 sx = x_start/x;
2183 }
2184 }
2185 m_owner->Scroll( sx, sy );
2186 }
2187
2188 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
2189 {
2190 wxDataViewModel *model = GetOwner()->GetModel();
2191 wxAutoBufferedPaintDC dc( this );
2192
2193 // prepare the DC
2194 dc.SetBackground(GetBackgroundColour());
2195 dc.Clear();
2196 GetOwner()->PrepareDC( dc );
2197 dc.SetFont( GetFont() );
2198
2199 wxRect update = GetUpdateRegion().GetBox();
2200 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
2201
2202 // compute which items needs to be redrawn
2203 unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
2204 unsigned int item_count =
2205 wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
2206 (int)(GetRowCount( )- item_start) );
2207 unsigned int item_last = item_start + item_count;
2208
2209 // compute which columns needs to be redrawn
2210 unsigned int cols = GetOwner()->GetColumnCount();
2211 unsigned int col_start = 0;
2212 unsigned int x_start = 0;
2213 for (x_start = 0; col_start < cols; col_start++)
2214 {
2215 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
2216 if (col->IsHidden())
2217 continue; // skip it!
2218
2219 unsigned int w = col->GetWidth();
2220 if (x_start+w >= (unsigned int)update.x)
2221 break;
2222
2223 x_start += w;
2224 }
2225
2226 unsigned int col_last = col_start;
2227 unsigned int x_last = x_start;
2228 for (; col_last < cols; col_last++)
2229 {
2230 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2231 if (col->IsHidden())
2232 continue; // skip it!
2233
2234 if (x_last > (unsigned int)update.GetRight())
2235 break;
2236
2237 x_last += col->GetWidth();
2238 }
2239
2240 // Draw horizontal rules if required
2241 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2242 {
2243 dc.SetPen(m_penRule);
2244 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2245
2246 for (unsigned int i = item_start; i <= item_last+1; i++)
2247 {
2248 int y = i * m_lineHeight;
2249 dc.DrawLine(x_start, y, x_last, y);
2250 }
2251 }
2252
2253 // Draw vertical rules if required
2254 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2255 {
2256 dc.SetPen(m_penRule);
2257 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2258
2259 int x = x_start;
2260 for (unsigned int i = col_start; i < col_last; i++)
2261 {
2262 wxDataViewColumn *col = GetOwner()->GetColumn(i);
2263 if (col->IsHidden())
2264 continue; // skip it
2265
2266 dc.DrawLine(x, item_start * m_lineHeight,
2267 x, item_last * m_lineHeight);
2268
2269 x += col->GetWidth();
2270 }
2271
2272 // Draw last vertical rule
2273 dc.DrawLine(x, item_start * m_lineHeight,
2274 x, item_last * m_lineHeight);
2275 }
2276
2277 // redraw the background for the items which are selected/current
2278 for (unsigned int item = item_start; item < item_last; item++)
2279 {
2280 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2281 if (selected || item == m_currentRow)
2282 {
2283 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2284 if (item == m_currentRow)
2285 flags |= wxCONTROL_CURRENT;
2286 if (m_hasFocus)
2287 flags |= wxCONTROL_FOCUSED;
2288
2289 wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2290 wxRendererNative::Get().DrawItemSelectionRect
2291 (
2292 this,
2293 dc,
2294 rect,
2295 flags
2296 );
2297 }
2298 }
2299
2300 // redraw all cells for all rows which must be repainted and for all columns
2301 wxRect cell_rect;
2302 cell_rect.x = x_start;
2303 cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
2304 for (unsigned int i = col_start; i < col_last; i++)
2305 {
2306 wxDataViewColumn *col = GetOwner()->GetColumn( i );
2307 wxDataViewRenderer *cell = col->GetRenderer();
2308 cell_rect.width = col->GetWidth();
2309
2310 if (col->IsHidden())
2311 continue; // skipt it!
2312
2313 for (unsigned int item = item_start; item < item_last; item++)
2314 {
2315 // get the cell value and set it into the renderer
2316 wxVariant value;
2317 wxDataViewTreeNode * node = GetTreeNodeByRow(item);
2318 if( node == NULL )
2319 {
2320 continue;
2321 }
2322
2323 wxDataViewItem dataitem = node->GetItem();
2324 model->GetValue( value, dataitem, col->GetModelColumn());
2325 cell->SetValue( value );
2326
2327 // update the y offset
2328 cell_rect.y = item * m_lineHeight;
2329
2330 //Draw the expander here.
2331 int indent = node->GetIndentLevel();
2332 if( col->GetModelColumn() == GetOwner()->GetExpanderColumn() )
2333 {
2334 //Calculate the indent first
2335 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2336
2337 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2338 // change the cell_rect.x to the appropriate pos
2339 int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2340 indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
2341 dc.SetPen( m_penExpander );
2342 dc.SetBrush( wxNullBrush );
2343 if( node->HasChildren() )
2344 {
2345 //dc.DrawRoundedRectangle( expander_x,expander_y,expander_width,expander_width, 1.0);
2346 //dc.DrawLine( expander_x + 2 , expander_y + expander_width/2, expander_x + expander_width - 2, expander_y + expander_width/2 );
2347 wxRect rect( expander_x , expander_y, expander_width, expander_width);
2348 if( node->IsOpen() )
2349 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, wxCONTROL_EXPANDED );
2350 else
2351 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect );
2352 }
2353 else
2354 {
2355 // I am wandering whether we should draw dot lines between tree nodes
2356 delete node;
2357 //Yes, if the node does not have any child, it must be a leaf which mean that it is a temporarily created by GetTreeNodeByRow
2358 }
2359
2360 //force the expander column to left-center align
2361 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2362 }
2363
2364
2365 // cannot be bigger than allocated space
2366 wxSize size = cell->GetSize();
2367 // Because of the tree structure indent, here we should minus the width of the cell for drawing
2368 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2369 size.y = wxMin( size.y + 2*PADDING_TOPBOTTOM, cell_rect.height );
2370
2371 wxRect item_rect(cell_rect.GetTopLeft(), size);
2372 int align = cell->GetAlignment();
2373
2374 // horizontal alignment:
2375 item_rect.x = cell_rect.x;
2376 if (align & wxALIGN_CENTER_HORIZONTAL)
2377 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2378 else if (align & wxALIGN_RIGHT)
2379 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2380 //else: wxALIGN_LEFT is the default
2381
2382 // vertical alignment:
2383 item_rect.y = cell_rect.y;
2384 if (align & wxALIGN_CENTER_VERTICAL)
2385 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2386 else if (align & wxALIGN_BOTTOM)
2387 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2388 //else: wxALIGN_TOP is the default
2389
2390 // add padding
2391 item_rect.x += PADDING_RIGHTLEFT;
2392 item_rect.y += PADDING_TOPBOTTOM;
2393 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2394 item_rect.height = size.y - 2 * PADDING_TOPBOTTOM;
2395
2396 //Here we add the tree indent
2397 item_rect.x += indent;
2398
2399 int state = 0;
2400 if (m_selection.Index(item) != wxNOT_FOUND)
2401 state |= wxDATAVIEW_CELL_SELECTED;
2402
2403 // TODO: it would be much more efficient to create a clipping
2404 // region for the entire column being rendered (in the OnPaint
2405 // of wxDataViewMainWindow) instead of a single clip region for
2406 // each cell. However it would mean that each renderer should
2407 // respect the given wxRect's top & bottom coords, eventually
2408 // violating only the left & right coords - however the user can
2409 // make its own renderer and thus we cannot be sure of that.
2410 dc.SetClippingRegion( item_rect );
2411 cell->Render( item_rect, &dc, state );
2412 dc.DestroyClippingRegion();
2413 }
2414
2415 cell_rect.x += cell_rect.width;
2416 }
2417 }
2418
2419 int wxDataViewMainWindow::GetCountPerPage() const
2420 {
2421 wxSize size = GetClientSize();
2422 return size.y / m_lineHeight;
2423 }
2424
2425 int wxDataViewMainWindow::GetEndOfLastCol() const
2426 {
2427 int width = 0;
2428 unsigned int i;
2429 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2430 {
2431 const wxDataViewColumn *c =
2432 wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2433
2434 if (!c->IsHidden())
2435 width += c->GetWidth();
2436 }
2437 return width;
2438 }
2439
2440 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2441 {
2442 int x = 0;
2443 int y = 0;
2444 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2445
2446 return y / m_lineHeight;
2447 }
2448
2449 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2450 {
2451 wxSize client_size = GetClientSize();
2452 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2453 &client_size.x, &client_size.y );
2454
2455 //we should deal with the pixel here
2456 unsigned int row = (client_size.y)/m_lineHeight;
2457 if( client_size.y % m_lineHeight < m_lineHeight/2 )
2458 row -= 1;
2459
2460 return wxMin( GetRowCount()-1, row );
2461 }
2462
2463 unsigned int wxDataViewMainWindow::GetRowCount()
2464 {
2465 if ( m_count == -1 )
2466 {
2467 m_count = RecalculateCount();
2468 int width, height;
2469 GetVirtualSize( &width, &height );
2470 height = m_count * m_lineHeight;
2471
2472 SetVirtualSize( width, height );
2473 }
2474 return m_count;
2475 }
2476
2477 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2478 {
2479 m_currentRow = row;
2480
2481 // send event
2482 }
2483
2484 void wxDataViewMainWindow::SelectAllRows( bool on )
2485 {
2486 if (IsEmpty())
2487 return;
2488
2489 if (on)
2490 {
2491 m_selection.Clear();
2492 for (unsigned int i = 0; i < GetRowCount(); i++)
2493 m_selection.Add( i );
2494 Refresh();
2495 }
2496 else
2497 {
2498 unsigned int first_visible = GetFirstVisibleRow();
2499 unsigned int last_visible = GetLastVisibleRow();
2500 unsigned int i;
2501 for (i = 0; i < m_selection.GetCount(); i++)
2502 {
2503 unsigned int row = m_selection[i];
2504 if ((row >= first_visible) && (row <= last_visible))
2505 RefreshRow( row );
2506 }
2507 m_selection.Clear();
2508 }
2509 }
2510
2511 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2512 {
2513 if (m_selection.Index( row ) == wxNOT_FOUND)
2514 {
2515 if (on)
2516 {
2517 m_selection.Add( row );
2518 RefreshRow( row );
2519 }
2520 }
2521 else
2522 {
2523 if (!on)
2524 {
2525 m_selection.Remove( row );
2526 RefreshRow( row );
2527 }
2528 }
2529 }
2530
2531 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2532 {
2533 if (from > to)
2534 {
2535 unsigned int tmp = from;
2536 from = to;
2537 to = tmp;
2538 }
2539
2540 unsigned int i;
2541 for (i = from; i <= to; i++)
2542 {
2543 if (m_selection.Index( i ) == wxNOT_FOUND)
2544 {
2545 if (on)
2546 m_selection.Add( i );
2547 }
2548 else
2549 {
2550 if (!on)
2551 m_selection.Remove( i );
2552 }
2553 }
2554 RefreshRows( from, to );
2555 }
2556
2557 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2558 {
2559 for (size_t i=0; i < aSelections.GetCount(); i++)
2560 {
2561 int n = aSelections[i];
2562
2563 m_selection.Add( n );
2564 RefreshRow( n );
2565 }
2566 }
2567
2568 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2569 {
2570 if (m_selection.Index( row ) == wxNOT_FOUND)
2571 m_selection.Add( row );
2572 else
2573 m_selection.Remove( row );
2574 RefreshRow( row );
2575 }
2576
2577 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2578 {
2579 return (m_selection.Index( row ) != wxNOT_FOUND);
2580 }
2581
2582 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2583 {
2584 wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2585 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2586
2587 wxSize client_size = GetClientSize();
2588 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2589 wxRect intersect_rect = client_rect.Intersect( rect );
2590 if (intersect_rect.width > 0)
2591 Refresh( true, &intersect_rect );
2592 }
2593
2594 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2595 {
2596 if (from > to)
2597 {
2598 unsigned int tmp = to;
2599 to = from;
2600 from = tmp;
2601 }
2602
2603 wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2604 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2605
2606 wxSize client_size = GetClientSize();
2607 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2608 wxRect intersect_rect = client_rect.Intersect( rect );
2609 if (intersect_rect.width > 0)
2610 Refresh( true, &intersect_rect );
2611 }
2612
2613 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2614 {
2615 unsigned int count = GetRowCount();
2616 if (firstRow > count)
2617 return;
2618
2619 wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2620 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2621
2622 wxSize client_size = GetClientSize();
2623 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2624 wxRect intersect_rect = client_rect.Intersect( rect );
2625 if (intersect_rect.width > 0)
2626 Refresh( true, &intersect_rect );
2627 }
2628
2629 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2630 {
2631 wxCHECK_RET( newCurrent < GetRowCount(),
2632 _T("invalid item index in OnArrowChar()") );
2633
2634 // if there is no selection, we cannot move it anywhere
2635 if (!HasCurrentRow())
2636 return;
2637
2638 unsigned int oldCurrent = m_currentRow;
2639
2640 // in single selection we just ignore Shift as we can't select several
2641 // items anyhow
2642 if ( event.ShiftDown() && !IsSingleSel() )
2643 {
2644 RefreshRow( oldCurrent );
2645
2646 ChangeCurrentRow( newCurrent );
2647
2648 // select all the items between the old and the new one
2649 if ( oldCurrent > newCurrent )
2650 {
2651 newCurrent = oldCurrent;
2652 oldCurrent = m_currentRow;
2653 }
2654
2655 SelectRows( oldCurrent, newCurrent, true );
2656 }
2657 else // !shift
2658 {
2659 RefreshRow( oldCurrent );
2660
2661 // all previously selected items are unselected unless ctrl is held
2662 if ( !event.ControlDown() )
2663 SelectAllRows(false);
2664
2665 ChangeCurrentRow( newCurrent );
2666
2667 if ( !event.ControlDown() )
2668 SelectRow( m_currentRow, true );
2669 else
2670 RefreshRow( m_currentRow );
2671 }
2672
2673 //EnsureVisible( m_currentRow );
2674 }
2675
2676 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2677 {
2678 wxRect rect;
2679 rect.x = 0;
2680 rect.y = m_lineHeight * row;
2681 rect.width = GetEndOfLastCol();
2682 rect.height = m_lineHeight;
2683
2684 return rect;
2685 }
2686
2687 class RowToItemJob: public DoJob
2688 {
2689 public:
2690 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2691 virtual ~RowToItemJob(){};
2692
2693 virtual int operator() ( wxDataViewTreeNode * node )
2694 {
2695 current ++;
2696 if( current == static_cast<int>(row))
2697 {
2698 ret = node->GetItem() ;
2699 return DoJob::OK;
2700 }
2701
2702 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2703 {
2704 current += node->GetSubTreeCount();
2705 return DoJob::IGR;
2706 }
2707 else
2708 {
2709 //If the current has no child node, we can find the desired item of the row number directly.
2710 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2711 if( node->GetNodes().GetCount() == 0)
2712 {
2713 int index = static_cast<int>(row) - current - 1;
2714 ret = node->GetChildren().Item( index );
2715 return DoJob::OK;
2716 }
2717 return DoJob::CONT;
2718 }
2719 }
2720
2721 virtual int operator() ( void * n )
2722 {
2723 current ++;
2724 if( current == static_cast<int>(row))
2725 {
2726 ret = wxDataViewItem( n ) ;
2727 return DoJob::OK;
2728 }
2729 return DoJob::CONT;
2730 }
2731 wxDataViewItem GetResult(){ return ret; }
2732 private:
2733 unsigned int row;
2734 int current ;
2735 wxDataViewItem ret;
2736 };
2737
2738 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2739 {
2740 RowToItemJob job( row, -2 );
2741 Walker( m_root , job );
2742 return job.GetResult();
2743 }
2744
2745 class RowToTreeNodeJob: public DoJob
2746 {
2747 public:
2748 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2749 {
2750 this->row = row;
2751 this->current = current ;
2752 ret = NULL ;
2753 parent = node;
2754 }
2755 virtual ~RowToTreeNodeJob(){};
2756
2757 virtual int operator() ( wxDataViewTreeNode * node )
2758 {
2759 current ++;
2760 if( current == static_cast<int>(row))
2761 {
2762 ret = node ;
2763 return DoJob::OK;
2764 }
2765
2766 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2767 {
2768 current += node->GetSubTreeCount();
2769 return DoJob::IGR;
2770 }
2771 else
2772 {
2773 parent = node;
2774 //If the current has no child node, we can find the desired item of the row number directly.
2775 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2776 if( node->GetNodes().GetCount() == 0)
2777 {
2778 int index = static_cast<int>(row) - current - 1;
2779 void * n = node->GetChildren().Item( index );
2780 ret = new wxDataViewTreeNode( parent ) ;
2781 ret->SetItem( wxDataViewItem( n ));
2782 ret->SetHasChildren(false);
2783 return DoJob::OK;
2784 }
2785 return DoJob::CONT;
2786 }
2787
2788
2789 }
2790
2791 virtual int operator() ( void * n )
2792 {
2793 current ++;
2794 if( current == static_cast<int>(row))
2795 {
2796 ret = new wxDataViewTreeNode( parent ) ;
2797 ret->SetItem( wxDataViewItem( n ));
2798 ret->SetHasChildren(false);
2799 return DoJob::OK;
2800 }
2801
2802 return DoJob::CONT;
2803 }
2804 wxDataViewTreeNode * GetResult(){ return ret; }
2805 private:
2806 unsigned int row;
2807 int current ;
2808 wxDataViewTreeNode * ret;
2809 wxDataViewTreeNode * parent ;
2810 };
2811
2812
2813 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
2814 {
2815 RowToTreeNodeJob job( row , -2, m_root );
2816 Walker( m_root , job );
2817 return job.GetResult();
2818 }
2819
2820 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2821 {
2822 wxWindow *parent = GetParent();
2823 wxDataViewEvent le(type, parent->GetId());
2824
2825 le.SetEventObject(parent);
2826 le.SetModel(GetOwner()->GetModel());
2827 le.SetItem( item );
2828
2829 parent->GetEventHandler()->ProcessEvent(le);
2830 return le;
2831 }
2832
2833 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2834 {
2835 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2836 if( node != NULL )
2837 {
2838 if( node->HasChildren())
2839 {
2840 if( !node->IsOpen())
2841 {
2842 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
2843 //Check if the user prevent expanding
2844 if( e.GetSkipped() )
2845 return;
2846
2847 node->ToggleOpen();
2848 //Here I build the children of current node
2849 if( node->GetChildrenNumber() == 0 )
2850 BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2851 m_count = -1;
2852 UpdateDisplay();
2853 //Send the expanded event
2854 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2855 }
2856 else
2857 {
2858 SelectRow( row, false );
2859 SelectRow( row + 1, true );
2860 ChangeCurrentRow( row + 1 );
2861 }
2862 }
2863 else
2864 delete node;
2865 }
2866 }
2867
2868 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
2869 {
2870 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2871 if( node != NULL )
2872 {
2873 wxDataViewTreeNode * nd = node;
2874
2875 if( node->HasChildren() && node->IsOpen() )
2876 {
2877 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2878 if( e.GetSkipped() )
2879 return;
2880 node->ToggleOpen();
2881 m_count = -1;
2882 UpdateDisplay();
2883 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
2884 }
2885 else
2886 {
2887 node = node->GetParent();
2888 if( node != NULL )
2889 {
2890 int parent = GetRowByItem( node->GetItem() ) ;
2891 if( parent >= 0 )
2892 {
2893 SelectRow( row, false);
2894 SelectRow(parent , true );
2895 ChangeCurrentRow( parent );
2896 }
2897 }
2898 }
2899 if( !nd->HasChildren())
2900 delete nd;
2901 }
2902 }
2903
2904 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2905 {
2906 wxDataViewModel * model = GetOwner()->GetModel();
2907 if( model == NULL )
2908 return NULL;
2909
2910 //Compose the a parent-chain of the finding item
2911 ItemList list;
2912 list.DeleteContents( true );
2913 wxDataViewItem it( item );
2914 while( it.IsOk() )
2915 {
2916 wxDataViewItem * pItem = new wxDataViewItem( it );
2917 list.Insert( pItem );
2918 it = model->GetParent( it );
2919 }
2920
2921 //Find the item along the parent-chain.
2922 //This algorithm is designed to speed up the node-finding method
2923 wxDataViewTreeNode * node = m_root;
2924 for( ItemList::Node * n = list.GetFirst(); n; n = n->GetNext() )
2925 {
2926 if( node->HasChildren() )
2927 {
2928 if( node->GetChildrenNumber() == 0 )
2929 BuildTreeHelper(model, node->GetItem(), node);
2930
2931 wxDataViewTreeNodes nodes = node->GetNodes();
2932 //The wxSortedArray search a node in binary search, so using Item() is more efficient
2933 wxDataViewTreeNode temp;
2934 temp.SetItem(*(n->GetData()));
2935 int index = nodes.Index( &temp );
2936 if( index == wxNOT_FOUND )
2937 return NULL;
2938 node = nodes[index];
2939 }
2940 else
2941 return NULL;
2942 }
2943 return node;
2944 }
2945
2946 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
2947 {
2948 wxDataViewColumn *col = NULL;
2949 unsigned int cols = GetOwner()->GetColumnCount();
2950 unsigned int colnum = 0;
2951 unsigned int x_start = 0;
2952 int x, y;
2953 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2954 for (x_start = 0; colnum < cols; colnum++)
2955 {
2956 col = GetOwner()->GetColumn(colnum);
2957 if (col->IsHidden())
2958 continue; // skip it!
2959
2960 unsigned int w = col->GetWidth();
2961 if (x_start+w >= (unsigned int)x)
2962 break;
2963
2964 x_start += w;
2965 }
2966
2967 column = col;
2968 item = GetItemByRow( y/m_lineHeight );
2969 }
2970
2971 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
2972 {
2973 int row = GetRowByItem(item);
2974 int y = row*m_lineHeight;
2975 int h = m_lineHeight;
2976 int x = 0;
2977 wxDataViewColumn *col = NULL;
2978 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
2979 {
2980 col = GetOwner()->GetColumn( i );
2981 x += col->GetWidth();
2982 if( GetOwner()->GetColumn(i+1) == column )
2983 break;
2984 }
2985 int w = col->GetWidth();
2986 m_owner->CalcScrolledPosition( x, y, &x, &y );
2987 return wxRect(x, y, w, h);
2988 }
2989
2990 int wxDataViewMainWindow::RecalculateCount()
2991 {
2992 return m_root->GetSubTreeCount();
2993 }
2994
2995 class ItemToRowJob : public DoJob
2996 {
2997 public:
2998 ItemToRowJob(const wxDataViewItem & item, ItemList::Node * node )
2999 { this->item = item ; ret = -1 ; nd = node ; }
3000 virtual ~ItemToRowJob(){};
3001
3002 //Maybe binary search will help to speed up this process
3003 virtual int operator() ( wxDataViewTreeNode * node)
3004 {
3005 ret ++;
3006 if( node->GetItem() == item )
3007 {
3008 return DoJob::OK;
3009 }
3010
3011 if( nd && node->GetItem() == *(nd->GetData()))
3012 {
3013 nd = nd->GetNext();
3014 return DoJob::CONT;
3015 }
3016 else
3017 {
3018 ret += node->GetSubTreeCount();
3019 return DoJob::IGR;
3020 }
3021
3022 }
3023
3024 virtual int operator() ( void * n )
3025 {
3026 ret ++;
3027 if( n == item.GetID() )
3028 return DoJob::OK;
3029 return DoJob::CONT;
3030 }
3031 //the row number is begin from zero
3032 int GetResult(){ return ret -1 ; }
3033 private:
3034 ItemList::Node * nd;
3035 wxDataViewItem item;
3036 int ret;
3037
3038 };
3039
3040 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3041 {
3042 wxDataViewModel * model = GetOwner()->GetModel();
3043 if( model == NULL )
3044 return -1;
3045
3046 if( !item.IsOk() )
3047 return -1;
3048
3049 //Compose the a parent-chain of the finding item
3050 ItemList list;
3051 wxDataViewItem * pItem = NULL;
3052 list.DeleteContents( true );
3053 wxDataViewItem it( item );
3054 while( it.IsOk() )
3055 {
3056 pItem = new wxDataViewItem( it );
3057 list.Insert( pItem );
3058 it = model->GetParent( it );
3059 }
3060 pItem = new wxDataViewItem( );
3061 list.Insert( pItem );
3062
3063 ItemToRowJob job( item, list.GetFirst() );
3064 Walker(m_root , job );
3065 return job.GetResult();
3066 }
3067
3068 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
3069 {
3070 if( !model->IsContainer( item ) )
3071 return ;
3072
3073 wxDataViewItem i = model->GetFirstChild( item );
3074 int num = 0;
3075 while( i.IsOk() )
3076 {
3077 num ++;
3078 if( model->IsContainer( i ) )
3079 {
3080 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3081 n->SetItem(i);
3082 n->SetHasChildren( true ) ;
3083 node->AddNode( n );
3084 }
3085 else
3086 {
3087 node->AddLeaf( i.GetID() );
3088 }
3089 i = model->GetNextSibling( i );
3090 }
3091 node->SetSubTreeCount( num );
3092 wxDataViewTreeNode * n = node->GetParent();
3093 if( n != NULL)
3094 n->ChangeSubTreeCount(num);
3095
3096 }
3097
3098 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3099 {
3100 //First we define a invalid item to fetch the top-level elements
3101 wxDataViewItem item;
3102 SortPrepare();
3103 BuildTreeHelper( model, item, m_root);
3104 m_count = -1 ;
3105 }
3106
3107 void DestroyTreeHelper( wxDataViewTreeNode * node )
3108 {
3109 if( node->GetNodeNumber() != 0 )
3110 {
3111 int len = node->GetNodeNumber();
3112 int i = 0 ;
3113 wxDataViewTreeNodes nodes = node->GetNodes();
3114 for( ; i < len; i ++ )
3115 {
3116 DestroyTreeHelper(nodes[i]);
3117 }
3118 }
3119 delete node;
3120 }
3121
3122 void wxDataViewMainWindow::DestroyTree()
3123 {
3124 DestroyTreeHelper(m_root);
3125 m_root->SetSubTreeCount(0);
3126 m_count = 0 ;
3127 }
3128
3129 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3130 {
3131 if (event.GetKeyCode() == WXK_TAB)
3132 {
3133 wxNavigationKeyEvent nevent;
3134 nevent.SetWindowChange( event.ControlDown() );
3135 nevent.SetDirection( !event.ShiftDown() );
3136 nevent.SetEventObject( GetParent()->GetParent() );
3137 nevent.SetCurrentFocus( m_parent );
3138 if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
3139 return;
3140 }
3141
3142 // no item -> nothing to do
3143 if (!HasCurrentRow())
3144 {
3145 event.Skip();
3146 return;
3147 }
3148
3149 // don't use m_linesPerPage directly as it might not be computed yet
3150 const int pageSize = GetCountPerPage();
3151 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3152
3153 switch ( event.GetKeyCode() )
3154 {
3155 case WXK_UP:
3156 if ( m_currentRow > 0 )
3157 OnArrowChar( m_currentRow - 1, event );
3158 break;
3159
3160 case WXK_DOWN:
3161 if ( m_currentRow < GetRowCount() - 1 )
3162 OnArrowChar( m_currentRow + 1, event );
3163 break;
3164 //Add the process for tree expanding/collapsing
3165 case WXK_LEFT:
3166 OnCollapsing(m_currentRow);
3167 break;
3168 case WXK_RIGHT:
3169 OnExpanding( m_currentRow);
3170 break;
3171 case WXK_END:
3172 if (!IsEmpty())
3173 OnArrowChar( GetRowCount() - 1, event );
3174 break;
3175
3176 case WXK_HOME:
3177 if (!IsEmpty())
3178 OnArrowChar( 0, event );
3179 break;
3180
3181 case WXK_PAGEUP:
3182 {
3183 int steps = pageSize - 1;
3184 int index = m_currentRow - steps;
3185 if (index < 0)
3186 index = 0;
3187
3188 OnArrowChar( index, event );
3189 }
3190 break;
3191
3192 case WXK_PAGEDOWN:
3193 {
3194 int steps = pageSize - 1;
3195 unsigned int index = m_currentRow + steps;
3196 unsigned int count = GetRowCount();
3197 if ( index >= count )
3198 index = count - 1;
3199
3200 OnArrowChar( index, event );
3201 }
3202 break;
3203
3204 default:
3205 event.Skip();
3206 }
3207 }
3208
3209 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3210 {
3211 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3212 {
3213 // let the base handle mouse wheel events.
3214 event.Skip();
3215 return;
3216 }
3217
3218 int x = event.GetX();
3219 int y = event.GetY();
3220 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3221
3222 wxDataViewColumn *col = NULL;
3223
3224 int xpos = 0;
3225 unsigned int cols = GetOwner()->GetColumnCount();
3226 unsigned int i;
3227 for (i = 0; i < cols; i++)
3228 {
3229 wxDataViewColumn *c = GetOwner()->GetColumn( i );
3230 if (c->IsHidden())
3231 continue; // skip it!
3232
3233 if (x < xpos + c->GetWidth())
3234 {
3235 col = c;
3236 break;
3237 }
3238 xpos += c->GetWidth();
3239 }
3240 if (!col)
3241 return;
3242 wxDataViewRenderer *cell = col->GetRenderer();
3243
3244 unsigned int current = y / m_lineHeight;
3245
3246 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3247 {
3248 // Unselect all if below the last row ?
3249 return;
3250 }
3251
3252 wxDataViewModel *model = GetOwner()->GetModel();
3253
3254 if (event.Dragging())
3255 {
3256 if (m_dragCount == 0)
3257 {
3258 // we have to report the raw, physical coords as we want to be
3259 // able to call HitTest(event.m_pointDrag) from the user code to
3260 // get the item being dragged
3261 m_dragStart = event.GetPosition();
3262 }
3263
3264 m_dragCount++;
3265
3266 if (m_dragCount != 3)
3267 return;
3268
3269 if (event.LeftIsDown())
3270 {
3271 // Notify cell about drag
3272 }
3273 return;
3274 }
3275 else
3276 {
3277 m_dragCount = 0;
3278 }
3279
3280 bool forceClick = false;
3281
3282 if (event.ButtonDClick())
3283 {
3284 m_renameTimer->Stop();
3285 m_lastOnSame = false;
3286 }
3287
3288 if (event.LeftDClick())
3289 {
3290 if ( current == m_lineLastClicked )
3291 {
3292 if (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE)
3293 {
3294 wxDataViewItem item = GetItemByRow(current);
3295 wxVariant value;
3296 model->GetValue( value, item, col->GetModelColumn() );
3297 cell->SetValue( value );
3298 wxRect cell_rect( xpos, current * m_lineHeight,
3299 col->GetWidth(), m_lineHeight );
3300 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3301
3302 wxWindow *parent = GetParent();
3303 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3304
3305 le.SetEventObject(parent);
3306 le.SetColumn(col->GetModelColumn());
3307 le.SetDataViewColumn(col);
3308 le.SetModel(GetOwner()->GetModel());
3309
3310 parent->GetEventHandler()->ProcessEvent(le);
3311 }
3312 return;
3313 }
3314 else
3315 {
3316 // The first click was on another item, so don't interpret this as
3317 // a double click, but as a simple click instead
3318 forceClick = true;
3319 }
3320 }
3321
3322 if (event.LeftUp())
3323 {
3324 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3325 {
3326 // select single line
3327 SelectAllRows( false );
3328 SelectRow( m_lineSelectSingleOnUp, true );
3329 }
3330
3331 //Process the event of user clicking the expander
3332 bool expander = false;
3333 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3334 if( node!=NULL && node->HasChildren() )
3335 {
3336 int indent = node->GetIndentLevel();
3337 indent = GetOwner()->GetIndent()*indent;
3338 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3339 if( rect.Contains( x, y) )
3340 {
3341 expander = true;
3342 if( node->IsOpen() )
3343 OnCollapsing(current);
3344 else
3345 OnExpanding( current );
3346 }
3347 }
3348
3349 //If the user click the expander, we do not do editing even if the column with expander are editable
3350 if (m_lastOnSame && !expander )
3351 {
3352 if ((col == m_currentCol) && (current == m_currentRow) &&
3353 (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
3354 {
3355 m_renameTimer->Start( 100, true );
3356 }
3357 }
3358
3359 m_lastOnSame = false;
3360 m_lineSelectSingleOnUp = (unsigned int)-1;
3361 }
3362 else
3363 {
3364 // This is necessary, because after a DnD operation in
3365 // from and to ourself, the up event is swallowed by the
3366 // DnD code. So on next non-up event (which means here and
3367 // now) m_lineSelectSingleOnUp should be reset.
3368 m_lineSelectSingleOnUp = (unsigned int)-1;
3369 }
3370
3371 if (event.RightDown())
3372 {
3373 m_lineBeforeLastClicked = m_lineLastClicked;
3374 m_lineLastClicked = current;
3375
3376 // If the item is already selected, do not update the selection.
3377 // Multi-selections should not be cleared if a selected item is clicked.
3378 if (!IsRowSelected(current))
3379 {
3380 SelectAllRows(false);
3381 ChangeCurrentRow(current);
3382 SelectRow(m_currentRow,true);
3383 }
3384
3385 // notify cell about right click
3386 // cell->...
3387
3388 // Allow generation of context menu event
3389 event.Skip();
3390 }
3391 else if (event.MiddleDown())
3392 {
3393 // notify cell about middle click
3394 // cell->...
3395 }
3396 if (event.LeftDown() || forceClick)
3397 {
3398 #ifdef __WXMSW__
3399 SetFocus();
3400 #endif
3401
3402 m_lineBeforeLastClicked = m_lineLastClicked;
3403 m_lineLastClicked = current;
3404
3405 unsigned int oldCurrentRow = m_currentRow;
3406 bool oldWasSelected = IsRowSelected(m_currentRow);
3407
3408 bool cmdModifierDown = event.CmdDown();
3409 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3410 {
3411 if ( IsSingleSel() || !IsRowSelected(current) )
3412 {
3413 SelectAllRows( false );
3414
3415 ChangeCurrentRow(current);
3416
3417 SelectRow(m_currentRow,true);
3418 }
3419 else // multi sel & current is highlighted & no mod keys
3420 {
3421 m_lineSelectSingleOnUp = current;
3422 ChangeCurrentRow(current); // change focus
3423 }
3424 }
3425 else // multi sel & either ctrl or shift is down
3426 {
3427 if (cmdModifierDown)
3428 {
3429 ChangeCurrentRow(current);
3430
3431 ReverseRowSelection(m_currentRow);
3432 }
3433 else if (event.ShiftDown())
3434 {
3435 ChangeCurrentRow(current);
3436
3437 unsigned int lineFrom = oldCurrentRow,
3438 lineTo = current;
3439
3440 if ( lineTo < lineFrom )
3441 {
3442 lineTo = lineFrom;
3443 lineFrom = m_currentRow;
3444 }
3445
3446 SelectRows(lineFrom, lineTo, true);
3447 }
3448 else // !ctrl, !shift
3449 {
3450 // test in the enclosing if should make it impossible
3451 wxFAIL_MSG( _T("how did we get here?") );
3452 }
3453 }
3454
3455 if (m_currentRow != oldCurrentRow)
3456 RefreshRow( oldCurrentRow );
3457
3458 wxDataViewColumn *oldCurrentCol = m_currentCol;
3459
3460 // Update selection here...
3461 m_currentCol = col;
3462
3463 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3464 (current == oldCurrentRow)) && oldWasSelected;
3465 }
3466 }
3467
3468 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3469 {
3470 m_hasFocus = true;
3471
3472 if (HasCurrentRow())
3473 Refresh();
3474
3475 event.Skip();
3476 }
3477
3478 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3479 {
3480 m_hasFocus = false;
3481
3482 if (HasCurrentRow())
3483 Refresh();
3484
3485 event.Skip();
3486 }
3487
3488 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3489 {
3490 if( m_selection.GetCount() != 1 )
3491 return wxDataViewItem();
3492
3493 return GetItemByRow( m_selection.Item(0));
3494 }
3495
3496 //-----------------------------------------------------------------------------
3497 // wxDataViewCtrl
3498 //-----------------------------------------------------------------------------
3499
3500 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3501
3502 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3503 EVT_SIZE(wxDataViewCtrl::OnSize)
3504 END_EVENT_TABLE()
3505
3506 wxDataViewCtrl::~wxDataViewCtrl()
3507 {
3508 if (m_notifier)
3509 GetModel()->RemoveNotifier( m_notifier );
3510 }
3511
3512 void wxDataViewCtrl::Init()
3513 {
3514 m_notifier = NULL;
3515 }
3516
3517 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3518 const wxPoint& pos, const wxSize& size,
3519 long style, const wxValidator& validator )
3520 {
3521 if (!wxControl::Create( parent, id, pos, size,
3522 style | wxScrolledWindowStyle|wxSUNKEN_BORDER, validator))
3523 return false;
3524
3525 Init();
3526
3527 #ifdef __WXMAC__
3528 MacSetClipChildren( true ) ;
3529 #endif
3530
3531 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3532
3533 if (HasFlag(wxDV_NO_HEADER))
3534 m_headerArea = NULL;
3535 else
3536 m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3537
3538 SetTargetWindow( m_clientArea );
3539
3540 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3541 if (m_headerArea)
3542 sizer->Add( m_headerArea, 0, wxGROW );
3543 sizer->Add( m_clientArea, 1, wxGROW );
3544 SetSizer( sizer );
3545
3546 return true;
3547 }
3548
3549 #ifdef __WXMSW__
3550 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3551 WXWPARAM wParam,
3552 WXLPARAM lParam)
3553 {
3554 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3555
3556 #ifndef __WXWINCE__
3557 // we need to process arrows ourselves for scrolling
3558 if ( nMsg == WM_GETDLGCODE )
3559 {
3560 rc |= DLGC_WANTARROWS;
3561 }
3562 #endif
3563
3564 return rc;
3565 }
3566 #endif
3567
3568 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3569 {
3570 // We need to override OnSize so that our scrolled
3571 // window a) does call Layout() to use sizers for
3572 // positioning the controls but b) does not query
3573 // the sizer for their size and use that for setting
3574 // the scrollable area as set that ourselves by
3575 // calling SetScrollbar() further down.
3576
3577 Layout();
3578
3579 AdjustScrollbars();
3580 }
3581
3582 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3583 {
3584 if (!wxDataViewCtrlBase::AssociateModel( model ))
3585 return false;
3586
3587 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3588
3589 model->AddNotifier( m_notifier );
3590
3591 m_clientArea->BuildTree(model);
3592
3593 m_clientArea->UpdateDisplay();
3594
3595 return true;
3596 }
3597
3598 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3599 {
3600 if (!wxDataViewCtrlBase::AppendColumn(col))
3601 return false;
3602
3603 OnColumnChange();
3604 return true;
3605 }
3606
3607 void wxDataViewCtrl::OnColumnChange()
3608 {
3609 if (m_headerArea)
3610 m_headerArea->UpdateDisplay();
3611
3612 m_clientArea->UpdateDisplay();
3613 }
3614
3615 void wxDataViewCtrl::DoSetExpanderColumn()
3616 {
3617 m_clientArea->UpdateDisplay();
3618 }
3619
3620 void wxDataViewCtrl::DoSetIndent()
3621 {
3622 m_clientArea->UpdateDisplay();
3623 }
3624
3625 //Selection code with wxDataViewItem as parameters
3626 wxDataViewItem wxDataViewCtrl::GetSelection() const
3627 {
3628 return m_clientArea->GetSelection();
3629 }
3630
3631 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
3632 {
3633 sel.Empty();
3634 wxDataViewSelection selection = m_clientArea->GetSelections();
3635 int len = selection.GetCount();
3636 for( int i = 0; i < len; i ++)
3637 {
3638 unsigned int row = selection[i];
3639 sel.Add( m_clientArea->GetItemByRow( row ) );
3640 }
3641 return len;
3642 }
3643
3644 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
3645 {
3646 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
3647 int len = sel.GetCount();
3648 for( int i = 0; i < len; i ++ )
3649 {
3650 int row = m_clientArea->GetRowByItem( sel[i] );
3651 if( row >= 0 )
3652 selection.Add( static_cast<unsigned int>(row) );
3653 }
3654 m_clientArea->SetSelections( selection );
3655 }
3656
3657 void wxDataViewCtrl::Select( const wxDataViewItem & item )
3658 {
3659 int row = m_clientArea->GetRowByItem( item );
3660 if( row >= 0 )
3661 m_clientArea->SelectRow(row, true);
3662 }
3663
3664 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
3665 {
3666 int row = m_clientArea->GetRowByItem( item );
3667 if( row >= 0 )
3668 m_clientArea->SelectRow(row, false);
3669 }
3670
3671 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
3672 {
3673 int row = m_clientArea->GetRowByItem( item );
3674 if( row >= 0 )
3675 {
3676 return m_clientArea->IsRowSelected(row);
3677 }
3678 return false;
3679 }
3680
3681 //Selection code with row number as parameter
3682 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
3683 {
3684 sel.Empty();
3685 wxDataViewSelection selection = m_clientArea->GetSelections();
3686 int len = selection.GetCount();
3687 for( int i = 0; i < len; i ++)
3688 {
3689 unsigned int row = selection[i];
3690 sel.Add( row );
3691 }
3692 return len;
3693 }
3694
3695 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
3696 {
3697 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
3698 int len = sel.GetCount();
3699 for( int i = 0; i < len; i ++ )
3700 {
3701 int row = sel[i];
3702 if( row >= 0 )
3703 selection.Add( static_cast<unsigned int>(row) );
3704 }
3705 m_clientArea->SetSelections( selection );
3706 }
3707
3708 void wxDataViewCtrl::Select( int row )
3709 {
3710 if( row >= 0 )
3711 m_clientArea->SelectRow( row, true );
3712 }
3713
3714 void wxDataViewCtrl::Unselect( int row )
3715 {
3716 if( row >= 0 )
3717 m_clientArea->SelectRow(row, false);
3718 }
3719
3720 bool wxDataViewCtrl::IsSelected( int row ) const
3721 {
3722 if( row >= 0 )
3723 return m_clientArea->IsRowSelected(row);
3724 return false;
3725 }
3726
3727 void wxDataViewCtrl::SelectRange( int from, int to )
3728 {
3729 wxArrayInt sel;
3730 for( int i = from; i < to; i ++ )
3731 sel.Add( i );
3732 m_clientArea->Select(sel);
3733 }
3734
3735 void wxDataViewCtrl::UnselectRange( int from, int to )
3736 {
3737 wxDataViewSelection sel = m_clientArea->GetSelections();
3738 for( int i = from; i < to; i ++ )
3739 if( sel.Index( i ) != wxNOT_FOUND )
3740 sel.Remove( i );
3741 m_clientArea->SetSelections(sel);
3742 }
3743
3744 void wxDataViewCtrl::SelectAll()
3745 {
3746 m_clientArea->SelectAllRows(true);
3747 }
3748
3749 void wxDataViewCtrl::UnselectAll()
3750 {
3751 m_clientArea->SelectAllRows(false);
3752 }
3753
3754 void wxDataViewCtrl::EnsureVisible( int row, int column )
3755 {
3756 if( row < 0 )
3757 row = 0;
3758 if( row > m_clientArea->GetRowCount() )
3759 row = m_clientArea->GetRowCount();
3760
3761 int first = m_clientArea->GetFirstVisibleRow();
3762 int last = m_clientArea->GetLastVisibleRow();
3763 if( row < first )
3764 m_clientArea->ScrollTo( row, column );
3765 else if( row > last )
3766 m_clientArea->ScrollTo( row - last + first, column );
3767 else
3768 m_clientArea->ScrollTo( first, column );
3769 }
3770
3771 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
3772 {
3773 int row = m_clientArea->GetRowByItem(item);
3774 if( row >= 0 )
3775 {
3776 if( column == NULL )
3777 return EnsureVisible(row, -1);
3778 else
3779 {
3780 int col = 0;
3781 int len = GetColumnCount();
3782 for( int i = 0; i < len; i ++ )
3783 if( GetColumn(i) == column )
3784 {
3785 col = i;
3786 break;
3787 }
3788 EnsureVisible( row, col );
3789 }
3790 }
3791
3792 }
3793
3794 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
3795 {
3796 m_clientArea->HitTest(point, item, column);
3797 }
3798
3799 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
3800 {
3801 return m_clientArea->GetItemRect(item, column);
3802 }
3803
3804 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
3805 {
3806 return m_clientArea->GetItemByRow( row );
3807 }
3808
3809 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
3810 {
3811 return m_clientArea->GetRowByItem( item );
3812 }
3813
3814 #endif
3815 // !wxUSE_GENERICDATAVIEWCTRL
3816
3817 #endif
3818 // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)