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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 expander space margin
60 static const int EXPANDER_MARGIN = 4;
61
62 //-----------------------------------------------------------------------------
63 // wxDataViewHeaderWindow
64 //-----------------------------------------------------------------------------
65
66 #define USE_NATIVE_HEADER_WINDOW 1
67
68 //Below is the compare stuff
69 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
70 static wxDataViewModel * g_model;
71 static int g_column = -2;
72 static bool g_asending = true;
73
74 // NB: for some reason, this class must be dllexport'ed or we get warnings from
75 // MSVC in DLL build
76 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
77 {
78 public:
79 wxDataViewHeaderWindowBase()
80 { m_owner = NULL; }
81
82 bool Create(wxDataViewCtrl *parent, wxWindowID id,
83 const wxPoint &pos, const wxSize &size,
84 const wxString &name)
85 {
86 return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
87 }
88
89 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
90 wxDataViewCtrl *GetOwner() { return m_owner; }
91
92 // called on column addition/removal
93 virtual void UpdateDisplay() { /* by default, do nothing */ }
94
95 // returns the n-th column
96 virtual wxDataViewColumn *GetColumn(unsigned int n)
97 {
98 wxASSERT(m_owner);
99 wxDataViewColumn *ret = m_owner->GetColumn(n);
100 wxASSERT(ret);
101
102 return ret;
103 }
104
105 protected:
106 wxDataViewCtrl *m_owner;
107
108 // sends an event generated from the n-th wxDataViewColumn
109 void SendEvent(wxEventType type, unsigned int n);
110 };
111
112 // on wxMSW the header window (only that part however) can be made native!
113 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
114
115 #define COLUMN_WIDTH_OFFSET 2
116 #define wxDataViewHeaderWindowMSW wxDataViewHeaderWindow
117
118 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
119 {
120 public:
121
122 wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
123 wxWindowID id,
124 const wxPoint &pos = wxDefaultPosition,
125 const wxSize &size = wxDefaultSize,
126 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
127 {
128 Create(parent, id, pos, size, name);
129 }
130
131 bool Create(wxDataViewCtrl *parent, wxWindowID id,
132 const wxPoint &pos, const wxSize &size,
133 const wxString &name);
134
135 ~wxDataViewHeaderWindowMSW();
136
137 // called when any column setting is changed and/or changed
138 // the column count
139 virtual void UpdateDisplay();
140
141 // called Refresh afterwards
142 virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
143
144 protected:
145 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
146
147 virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
148
149 wxSize DoGetBestSize() const;
150
151 unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
152
153 wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
154 { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
155
156 int m_scrollOffsetX;
157 int m_buttonHeight;
158
159 private:
160 DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
161 };
162
163 #else // !defined(__WXMSW__)
164
165 #define HEADER_WINDOW_HEIGHT 25
166 #define HEADER_HORIZ_BORDER 5
167 #define HEADER_VERT_BORDER 3
168 #define wxGenericDataViewHeaderWindow wxDataViewHeaderWindow
169
170 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
171 {
172 public:
173 wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
174 wxWindowID id,
175 const wxPoint &pos = wxDefaultPosition,
176 const wxSize &size = wxDefaultSize,
177 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
178 {
179 Init();
180 Create(parent, id, pos, size, name);
181 }
182
183 bool Create(wxDataViewCtrl *parent, wxWindowID id,
184 const wxPoint &pos, const wxSize &size,
185 const wxString &name);
186
187 ~wxGenericDataViewHeaderWindow()
188 {
189 delete m_resizeCursor;
190 }
191
192 virtual void UpdateDisplay() { Refresh(); }
193
194 // event handlers:
195
196 void OnPaint( wxPaintEvent &event );
197 void OnMouse( wxMouseEvent &event );
198 void OnSetFocus( wxFocusEvent &event );
199
200
201 protected:
202
203 // vars used for column resizing:
204
205 wxCursor *m_resizeCursor;
206 const wxCursor *m_currentCursor;
207 bool m_isDragging;
208
209 bool m_dirty; // needs refresh?
210 int m_hover; // index of the column under the mouse
211 int m_column; // index of the column being resized
212 int m_currentX; // divider line position in logical (unscrolled) coords
213 int m_minX; // minimal position beyond which the divider line
214 // can't be dragged in logical coords
215
216 // the pen used to draw the current column width drag line
217 // when resizing the columsn
218 wxPen m_penCurrent;
219
220
221 // internal utilities:
222
223 void Init()
224 {
225 m_currentCursor = (wxCursor *) NULL;
226 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
227
228 m_isDragging = false;
229 m_dirty = false;
230
231 m_hover = wxNOT_FOUND;
232 m_column = wxNOT_FOUND;
233 m_currentX = 0;
234 m_minX = 0;
235
236 wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
237 m_penCurrent = wxPen(col, 1, wxSOLID);
238 }
239
240 void AdjustDC(wxDC& dc);
241
242 private:
243 DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
244 DECLARE_EVENT_TABLE()
245 };
246
247 #endif // defined(__WXMSW__)
248
249 //-----------------------------------------------------------------------------
250 // wxDataViewRenameTimer
251 //-----------------------------------------------------------------------------
252
253 class wxDataViewRenameTimer: public wxTimer
254 {
255 private:
256 wxDataViewMainWindow *m_owner;
257
258 public:
259 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
260 void Notify();
261 };
262
263 //-----------------------------------------------------------------------------
264 // wxDataViewTreeNode
265 //-----------------------------------------------------------------------------
266 class wxDataViewTreeNode;
267 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
268 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
269
270 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
271 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
272
273 class wxDataViewTreeNode
274 {
275 public:
276 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
277 {
278 m_parent = parent;
279 if (!parent)
280 m_open = true;
281 else
282 m_open = false;
283 m_hasChildren = false;
284 m_subTreeCount = 0;
285 }
286
287 ~wxDataViewTreeNode()
288 {
289 }
290
291 wxDataViewTreeNode * GetParent() { return m_parent; }
292 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
293 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
294 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
295
296 void AddNode( wxDataViewTreeNode * node )
297 {
298 m_leaves.Add( node->GetItem().GetID() );
299 if (g_column >= -1)
300 m_leaves.Sort( &wxGenericTreeModelItemCmp );
301 m_nodes.Add( node );
302 if (g_column >= -1)
303 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
304 }
305 void AddLeaf( void * leaf )
306 {
307 m_leaves.Add( leaf );
308 if (g_column >= -1)
309 m_leaves.Sort( &wxGenericTreeModelItemCmp );
310 }
311
312 wxDataViewItem & GetItem() { return m_item; }
313 void SetItem( const wxDataViewItem & item ) { m_item = item; }
314
315 unsigned int GetChildrenNumber() { return m_leaves.GetCount(); }
316 unsigned int GetNodeNumber() { return m_nodes.GetCount(); }
317 int GetIndentLevel()
318 {
319 int ret = 0 ;
320 wxDataViewTreeNode * node = this;
321 while( node->GetParent()->GetParent() != NULL )
322 {
323 node = node->GetParent();
324 ret ++;
325 }
326 return ret;
327 }
328
329 bool IsOpen()
330 {
331 return m_open ;
332 }
333
334 void ToggleOpen()
335 {
336 int len = m_nodes.GetCount();
337 int sum = 0;
338 for ( int i = 0 ;i < len ; i ++)
339 sum += m_nodes[i]->GetSubTreeCount();
340
341 sum += m_leaves.GetCount();
342 if (m_open)
343 {
344 ChangeSubTreeCount(-sum);
345 m_open = !m_open;
346 }
347 else
348 {
349 m_open = !m_open;
350 ChangeSubTreeCount(sum);
351 }
352 }
353 bool HasChildren() { return m_hasChildren; }
354 void SetHasChildren( bool has ){ m_hasChildren = has; }
355
356 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
357 int GetSubTreeCount() { return m_subTreeCount; }
358 void ChangeSubTreeCount( int num )
359 {
360 if( !m_open )
361 return ;
362 m_subTreeCount += num;
363 if( m_parent )
364 m_parent->ChangeSubTreeCount(num);
365 }
366
367 void Resort()
368 {
369 if (g_column >= -1)
370 {
371 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
372 int len = m_nodes.GetCount();
373 for (int i = 0; i < len; i ++)
374 m_nodes[i]->Resort();
375 m_leaves.Sort( &wxGenericTreeModelItemCmp );
376 }
377 }
378
379 private:
380 wxDataViewTreeNode *m_parent;
381 wxDataViewTreeNodes m_nodes;
382 wxDataViewTreeLeaves m_leaves;
383 wxDataViewItem m_item;
384 bool m_open;
385 bool m_hasChildren;
386 int m_subTreeCount;
387 };
388
389 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
390 {
391 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
392 }
393
394 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
395 {
396 return g_model->Compare( *id1, *id2, g_column, g_asending );
397 }
398
399
400
401 //-----------------------------------------------------------------------------
402 // wxDataViewMainWindow
403 //-----------------------------------------------------------------------------
404
405 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
406 WXDLLIMPEXP_ADV);
407 WX_DECLARE_LIST(wxDataViewItem, ItemList);
408 WX_DEFINE_LIST(ItemList)
409
410 class wxDataViewMainWindow: public wxWindow
411 {
412 public:
413 wxDataViewMainWindow( wxDataViewCtrl *parent,
414 wxWindowID id,
415 const wxPoint &pos = wxDefaultPosition,
416 const wxSize &size = wxDefaultSize,
417 const wxString &name = wxT("wxdataviewctrlmainwindow") );
418 virtual ~wxDataViewMainWindow();
419
420 // notifications from wxDataViewModel
421 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
422 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
423 bool ItemChanged( const wxDataViewItem &item );
424 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
425 bool Cleared();
426 void Resort()
427 {
428 if (m_root)
429 {
430 SortPrepare();
431 m_root->Resort();
432 }
433 UpdateDisplay();
434 }
435
436 void SortPrepare()
437 {
438 g_model = GetOwner()->GetModel();
439 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
440 if( !col )
441 {
442 if (g_model->HasDefaultCompare())
443 g_column = -1;
444 else
445 g_column = -2;
446
447 g_asending = true;
448 return;
449 }
450 g_column = col->GetModelColumn();
451 g_asending = col->IsSortOrderAscending();
452 }
453
454 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
455 wxDataViewCtrl *GetOwner() { return m_owner; }
456 const wxDataViewCtrl *GetOwner() const { return m_owner; }
457
458 void OnPaint( wxPaintEvent &event );
459 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
460 void OnChar( wxKeyEvent &event );
461 void OnMouse( wxMouseEvent &event );
462 void OnSetFocus( wxFocusEvent &event );
463 void OnKillFocus( wxFocusEvent &event );
464
465 void UpdateDisplay();
466 void RecalculateDisplay();
467 void OnInternalIdle();
468
469 void OnRenameTimer();
470
471 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
472 void ScrollTo( int rows, int column );
473
474 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
475 void ChangeCurrentRow( unsigned int row );
476
477 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
478 bool IsEmpty() { return GetRowCount() == 0; }
479
480 int GetCountPerPage() const;
481 int GetEndOfLastCol() const;
482 unsigned int GetFirstVisibleRow() const;
483 //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
484 unsigned int GetLastVisibleRow();
485 unsigned int GetRowCount() ;
486
487 wxDataViewItem GetSelection() const;
488 wxDataViewSelection GetSelections(){ return m_selection; }
489 void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
490 void Select( const wxArrayInt& aSelections );
491 void SelectAllRows( bool on );
492 void SelectRow( unsigned int row, bool on );
493 void SelectRows( unsigned int from, unsigned int to, bool on );
494 void ReverseRowSelection( unsigned int row );
495 bool IsRowSelected( unsigned int row );
496 void SendSelectionChangedEvent( const wxDataViewItem& item);
497
498 void RefreshRow( unsigned int row );
499 void RefreshRows( unsigned int from, unsigned int to );
500 void RefreshRowsAfter( unsigned int firstRow );
501
502 // returns the colour to be used for drawing the rules
503 wxColour GetRuleColour() const
504 {
505 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
506 }
507
508 wxRect GetLineRect( unsigned int row ) const;
509
510 //Some useful functions for row and item mapping
511 wxDataViewItem GetItemByRow( unsigned int row ) const;
512 int GetRowByItem( const wxDataViewItem & item );
513
514 //Methods for building the mapping tree
515 void BuildTree( wxDataViewModel * model );
516 void DestroyTree();
517 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
518 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
519
520 void Expand( unsigned int row ) { OnExpanding( row ); }
521 void Collapse( unsigned int row ) { OnCollapsing( row ); }
522 private:
523 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
524 //We did not need this temporarily
525 //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
526
527 int RecalculateCount() ;
528
529 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
530 void OnExpanding( unsigned int row );
531 void OnCollapsing( unsigned int row );
532
533 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
534
535 private:
536 wxDataViewCtrl *m_owner;
537 int m_lineHeight;
538 bool m_dirty;
539
540 wxDataViewColumn *m_currentCol;
541 unsigned int m_currentRow;
542 wxDataViewSelection m_selection;
543
544 wxDataViewRenameTimer *m_renameTimer;
545 bool m_lastOnSame;
546
547 bool m_hasFocus;
548
549 int m_dragCount;
550 wxPoint m_dragStart;
551
552 // for double click logic
553 unsigned int m_lineLastClicked,
554 m_lineBeforeLastClicked,
555 m_lineSelectSingleOnUp;
556
557 // the pen used to draw horiz/vertical rules
558 wxPen m_penRule;
559
560 // the pen used to draw the expander and the lines
561 wxPen m_penExpander;
562
563 //This is the tree structure of the model
564 wxDataViewTreeNode * m_root;
565 int m_count;
566 //This is the tree node under the cursor
567 wxDataViewTreeNode * m_underMouse;
568 private:
569 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
570 DECLARE_EVENT_TABLE()
571 };
572
573 // ---------------------------------------------------------
574 // wxGenericDataViewModelNotifier
575 // ---------------------------------------------------------
576
577 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
578 {
579 public:
580 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
581 { m_mainWindow = mainWindow; }
582
583 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
584 { return m_mainWindow->ItemAdded( parent , item ); }
585 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
586 { return m_mainWindow->ItemDeleted( parent, item ); }
587 virtual bool ItemChanged( const wxDataViewItem & item )
588 { return m_mainWindow->ItemChanged(item); }
589 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
590 { return m_mainWindow->ValueChanged( item, col ); }
591 virtual bool Cleared()
592 { return m_mainWindow->Cleared(); }
593 virtual void Resort()
594 { m_mainWindow->Resort(); }
595
596 wxDataViewMainWindow *m_mainWindow;
597 };
598
599 // ---------------------------------------------------------
600 // wxDataViewRenderer
601 // ---------------------------------------------------------
602
603 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
604
605 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
606 wxDataViewCellMode mode,
607 int align) :
608 wxDataViewRendererBase( varianttype, mode, align )
609 {
610 m_dc = NULL;
611 m_align = align;
612 m_mode = mode;
613 m_wantsAttr = false;
614 m_hasAttr = false;
615 }
616
617 wxDataViewRenderer::~wxDataViewRenderer()
618 {
619 if (m_dc)
620 delete m_dc;
621 }
622
623 wxDC *wxDataViewRenderer::GetDC()
624 {
625 if (m_dc == NULL)
626 {
627 if (GetOwner() == NULL)
628 return NULL;
629 if (GetOwner()->GetOwner() == NULL)
630 return NULL;
631 m_dc = new wxClientDC( GetOwner()->GetOwner() );
632 }
633
634 return m_dc;
635 }
636
637 // ---------------------------------------------------------
638 // wxDataViewCustomRenderer
639 // ---------------------------------------------------------
640
641 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
642
643 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
644 wxDataViewCellMode mode, int align ) :
645 wxDataViewRenderer( varianttype, mode, align )
646 {
647 }
648
649 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
650 {
651 wxDataViewCtrl *view = GetOwner()->GetOwner();
652 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
653 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
654 view->GetForegroundColour();
655 dc->SetTextForeground(col);
656 dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
657 }
658
659 // ---------------------------------------------------------
660 // wxDataViewTextRenderer
661 // ---------------------------------------------------------
662
663 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
664
665 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
666 wxDataViewCellMode mode, int align ) :
667 wxDataViewCustomRenderer( varianttype, mode, align )
668 {
669 }
670
671 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
672 {
673 m_text = value.GetString();
674
675 return true;
676 }
677
678 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
679 {
680 return false;
681 }
682
683 bool wxDataViewTextRenderer::HasEditorCtrl()
684 {
685 return true;
686 }
687
688 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
689 wxRect labelRect, const wxVariant &value )
690 {
691 return new wxTextCtrl( parent, wxID_ANY, value,
692 wxPoint(labelRect.x,labelRect.y),
693 wxSize(labelRect.width,labelRect.height) );
694 }
695
696 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
697 {
698 wxTextCtrl *text = (wxTextCtrl*) editor;
699 value = text->GetValue();
700 return true;
701 }
702
703 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
704 {
705 RenderText( m_text, 0, cell, dc, state );
706 return true;
707 }
708
709 wxSize wxDataViewTextRenderer::GetSize() const
710 {
711 const wxDataViewCtrl *view = GetView();
712 if (!m_text.empty())
713 {
714 int x,y;
715 view->GetTextExtent( m_text, &x, &y );
716 return wxSize( x, y );
717 }
718 return wxSize(80,20);
719 }
720
721 // ---------------------------------------------------------
722 // wxDataViewTextRendererAttr
723 // ---------------------------------------------------------
724
725 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
726
727 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
728 wxDataViewCellMode mode, int align ) :
729 wxDataViewTextRenderer( varianttype, mode, align )
730 {
731 m_wantsAttr = true;
732 }
733
734 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
735 {
736 wxFont font;
737 wxColour colour;
738
739 if (m_hasAttr)
740 {
741 if (m_attr.HasColour())
742 {
743 colour = dc->GetTextForeground();
744 dc->SetTextForeground( m_attr.GetColour() );
745 }
746
747 if (m_attr.GetBold() || m_attr.GetItalic())
748 {
749 font = dc->GetFont();
750 wxFont myfont = font;
751 if (m_attr.GetBold())
752 myfont.SetWeight( wxFONTWEIGHT_BOLD );
753 if (m_attr.GetItalic())
754 myfont.SetStyle( wxFONTSTYLE_ITALIC );
755 dc->SetFont( myfont );
756 }
757 }
758
759 dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
760
761 // restore dc
762 if (m_hasAttr)
763 {
764 if (m_attr.HasColour())
765 dc->SetTextForeground( colour );
766
767 if (m_attr.GetBold() || m_attr.GetItalic())
768 dc->SetFont( font );
769 }
770
771 return true;
772 }
773
774
775 // ---------------------------------------------------------
776 // wxDataViewBitmapRenderer
777 // ---------------------------------------------------------
778
779 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
780
781 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
782 wxDataViewCellMode mode, int align ) :
783 wxDataViewCustomRenderer( varianttype, mode, align )
784 {
785 }
786
787 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
788 {
789 if (value.GetType() == wxT("wxBitmap"))
790 m_bitmap << value;
791 if (value.GetType() == wxT("wxIcon"))
792 m_icon << value;
793
794 return true;
795 }
796
797 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
798 {
799 return false;
800 }
801
802 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
803 {
804 if (m_bitmap.Ok())
805 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
806 else if (m_icon.Ok())
807 dc->DrawIcon( m_icon, cell.x, cell.y );
808
809 return true;
810 }
811
812 wxSize wxDataViewBitmapRenderer::GetSize() const
813 {
814 if (m_bitmap.Ok())
815 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
816 else if (m_icon.Ok())
817 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
818
819 return wxSize(16,16);
820 }
821
822 // ---------------------------------------------------------
823 // wxDataViewToggleRenderer
824 // ---------------------------------------------------------
825
826 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
827
828 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
829 wxDataViewCellMode mode, int align ) :
830 wxDataViewCustomRenderer( varianttype, mode, align )
831 {
832 m_toggle = false;
833 }
834
835 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
836 {
837 m_toggle = value.GetBool();
838
839 return true;
840 }
841
842 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
843 {
844 return false;
845 }
846
847 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
848 {
849 // User wxRenderer here
850
851 wxRect rect;
852 rect.x = cell.x + cell.width/2 - 10;
853 rect.width = 20;
854 rect.y = cell.y + cell.height/2 - 10;
855 rect.height = 20;
856
857 int flags = 0;
858 if (m_toggle)
859 flags |= wxCONTROL_CHECKED;
860 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
861 flags |= wxCONTROL_DISABLED;
862
863 wxRendererNative::Get().DrawCheckBox(
864 GetOwner()->GetOwner(),
865 *dc,
866 rect,
867 flags );
868
869 return true;
870 }
871
872 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
873 wxDataViewModel *model,
874 const wxDataViewItem & item, unsigned int col)
875 {
876 bool value = !m_toggle;
877 wxVariant variant = value;
878 model->SetValue( variant, item, col);
879 model->ValueChanged( item, col );
880 return true;
881 }
882
883 wxSize wxDataViewToggleRenderer::GetSize() const
884 {
885 return wxSize(20,20);
886 }
887
888 // ---------------------------------------------------------
889 // wxDataViewProgressRenderer
890 // ---------------------------------------------------------
891
892 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
893
894 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
895 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
896 wxDataViewCustomRenderer( varianttype, mode, align )
897 {
898 m_label = label;
899 m_value = 0;
900 }
901
902 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
903 {
904 }
905
906 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
907 {
908 m_value = (long) value;
909
910 if (m_value < 0) m_value = 0;
911 if (m_value > 100) m_value = 100;
912
913 return true;
914 }
915
916 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
917 {
918 value = (long) m_value;
919 return true;
920 }
921
922 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
923 {
924 double pct = (double)m_value / 100.0;
925 wxRect bar = cell;
926 bar.width = (int)(cell.width * pct);
927 dc->SetPen( *wxTRANSPARENT_PEN );
928 dc->SetBrush( *wxBLUE_BRUSH );
929 dc->DrawRectangle( bar );
930
931 dc->SetBrush( *wxTRANSPARENT_BRUSH );
932 dc->SetPen( *wxBLACK_PEN );
933 dc->DrawRectangle( cell );
934
935 return true;
936 }
937
938 wxSize wxDataViewProgressRenderer::GetSize() const
939 {
940 return wxSize(40,12);
941 }
942
943 // ---------------------------------------------------------
944 // wxDataViewDateRenderer
945 // ---------------------------------------------------------
946
947 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
948
949 #if wxUSE_DATE_RENDERER_POPUP
950
951 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
952 {
953 public:
954 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
955 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
956 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
957 m_item( item )
958 {
959 m_model = model;
960 m_col = col;
961 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
962 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
963 sizer->Add( m_cal, 1, wxGROW );
964 SetSizer( sizer );
965 sizer->Fit( this );
966 }
967
968 void OnCalendar( wxCalendarEvent &event );
969
970 wxCalendarCtrl *m_cal;
971 wxDataViewModel *m_model;
972 unsigned int m_col;
973 const wxDataViewItem & m_item;
974
975 protected:
976 virtual void OnDismiss()
977 {
978 }
979
980 private:
981 DECLARE_EVENT_TABLE()
982 };
983
984 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
985 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
986 END_EVENT_TABLE()
987
988 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
989 {
990 wxDateTime date = event.GetDate();
991 wxVariant value = date;
992 m_model->SetValue( value, m_item, m_col );
993 m_model->ValueChanged( m_item, m_col );
994 DismissAndNotify();
995 }
996
997 #endif // wxUSE_DATE_RENDERER_POPUP
998
999 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1000
1001 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1002 wxDataViewCellMode mode, int align ) :
1003 wxDataViewCustomRenderer( varianttype, mode, align )
1004 {
1005 }
1006
1007 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1008 {
1009 m_date = value.GetDateTime();
1010
1011 return true;
1012 }
1013
1014 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1015 {
1016 value = m_date;
1017 return true;
1018 }
1019
1020 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1021 {
1022 wxString tmp = m_date.FormatDate();
1023 RenderText( tmp, 0, cell, dc, state );
1024 return true;
1025 }
1026
1027 wxSize wxDataViewDateRenderer::GetSize() const
1028 {
1029 const wxDataViewCtrl* view = GetView();
1030 wxString tmp = m_date.FormatDate();
1031 wxCoord x,y,d;
1032 view->GetTextExtent( tmp, &x, &y, &d );
1033 return wxSize(x,y+d);
1034 }
1035
1036 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1037 const wxDataViewItem & item, unsigned int col )
1038 {
1039 wxVariant variant;
1040 model->GetValue( variant, item, col );
1041 wxDateTime value = variant.GetDateTime();
1042
1043 #if wxUSE_DATE_RENDERER_POPUP
1044 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1045 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1046 wxPoint pos = wxGetMousePosition();
1047 popup->Move( pos );
1048 popup->Layout();
1049 popup->Popup( popup->m_cal );
1050 #else // !wxUSE_DATE_RENDERER_POPUP
1051 wxMessageBox(value.Format());
1052 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1053 return true;
1054 }
1055
1056 // ---------------------------------------------------------
1057 // wxDataViewIconTextRenderer
1058 // ---------------------------------------------------------
1059
1060 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1061
1062 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1063 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1064 wxDataViewCustomRenderer( varianttype, mode, align )
1065 {
1066 SetMode(mode);
1067 SetAlignment(align);
1068 }
1069
1070 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1071 {
1072 }
1073
1074 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1075 {
1076 m_value << value;
1077 return true;
1078 }
1079
1080 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1081 {
1082 return false;
1083 }
1084
1085 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1086 {
1087 int xoffset = 0;
1088 const wxIcon &icon = m_value.GetIcon();
1089 if (icon.IsOk())
1090 {
1091 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1092 xoffset = icon.GetWidth()+4;
1093 }
1094
1095 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1096
1097 return true;
1098 }
1099
1100 wxSize wxDataViewIconTextRenderer::GetSize() const
1101 {
1102 const wxDataViewCtrl *view = GetView();
1103 if (!m_value.GetText().empty())
1104 {
1105 int x,y;
1106 view->GetTextExtent( m_value.GetText(), &x, &y );
1107
1108 if (m_value.GetIcon().IsOk())
1109 x += m_value.GetIcon().GetWidth() + 4;
1110 return wxSize( x, y );
1111 }
1112 return wxSize(80,20);
1113 }
1114
1115 wxControl *
1116 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1117 wxRect WXUNUSED(labelRect),
1118 const wxVariant& WXUNUSED(value))
1119 {
1120 return NULL;
1121 }
1122
1123 bool
1124 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1125 wxVariant& WXUNUSED(value))
1126 {
1127 return false;
1128 }
1129
1130 // ---------------------------------------------------------
1131 // wxDataViewColumn
1132 // ---------------------------------------------------------
1133
1134 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
1135
1136 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
1137 unsigned int model_column,
1138 int width, wxAlignment align, int flags ) :
1139 wxDataViewColumnBase( title, cell, model_column, width, align, flags )
1140 {
1141 SetAlignment(align);
1142 SetTitle(title);
1143 SetFlags(flags);
1144
1145 Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
1146 }
1147
1148 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
1149 unsigned int model_column,
1150 int width, wxAlignment align, int flags ) :
1151 wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
1152 {
1153 SetAlignment(align);
1154 SetFlags(flags);
1155
1156 Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
1157 }
1158
1159 wxDataViewColumn::~wxDataViewColumn()
1160 {
1161 }
1162
1163 void wxDataViewColumn::Init( int width )
1164 {
1165 m_width = width;
1166 m_minWidth = wxDVC_DEFAULT_MINWIDTH;
1167 m_ascending = true;
1168 }
1169
1170 void wxDataViewColumn::SetResizeable( bool resizeable )
1171 {
1172 if (resizeable)
1173 m_flags |= wxDATAVIEW_COL_RESIZABLE;
1174 else
1175 m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
1176 }
1177
1178 void wxDataViewColumn::SetHidden( bool hidden )
1179 {
1180 if (hidden)
1181 m_flags |= wxDATAVIEW_COL_HIDDEN;
1182 else
1183 m_flags &= ~wxDATAVIEW_COL_HIDDEN;
1184
1185 // tell our owner to e.g. update its scrollbars:
1186 if (GetOwner())
1187 GetOwner()->OnColumnChange();
1188 }
1189
1190 void wxDataViewColumn::SetSortable( bool sortable )
1191 {
1192 if (sortable)
1193 m_flags |= wxDATAVIEW_COL_SORTABLE;
1194 else
1195 m_flags &= ~wxDATAVIEW_COL_SORTABLE;
1196
1197 // Update header button
1198 if (GetOwner())
1199 GetOwner()->OnColumnChange();
1200 }
1201
1202 void wxDataViewColumn::SetSortOrder( bool ascending )
1203 {
1204 m_ascending = ascending;
1205
1206 // Update header button
1207 if (GetOwner())
1208 GetOwner()->OnColumnChange();
1209 }
1210
1211 bool wxDataViewColumn::IsSortOrderAscending() const
1212 {
1213 return m_ascending;
1214 }
1215
1216 void wxDataViewColumn::SetInternalWidth( int width )
1217 {
1218 m_width = width;
1219
1220 // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1221 if (m_owner && m_owner->m_clientArea)
1222 m_owner->m_clientArea->RecalculateDisplay();
1223 }
1224
1225 void wxDataViewColumn::SetWidth( int width )
1226 {
1227 if (m_owner->m_headerArea) m_owner->m_headerArea->UpdateDisplay();
1228
1229 SetInternalWidth(width);
1230 }
1231
1232
1233 //-----------------------------------------------------------------------------
1234 // wxDataViewHeaderWindowBase
1235 //-----------------------------------------------------------------------------
1236
1237 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1238 {
1239 wxWindow *parent = GetParent();
1240 wxDataViewEvent le(type, parent->GetId());
1241
1242 le.SetEventObject(parent);
1243 le.SetColumn(n);
1244 le.SetDataViewColumn(GetColumn(n));
1245 le.SetModel(GetOwner()->GetModel());
1246
1247 // for events created by wxDataViewHeaderWindow the
1248 // row / value fields are not valid
1249
1250 parent->GetEventHandler()->ProcessEvent(le);
1251 }
1252
1253 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
1254
1255 #ifndef HDS_DRAGDROP
1256 #define HDS_DRAGDROP 0x0040
1257 #endif
1258 #ifndef HDS_FULLDRAG
1259 #define HDS_FULLDRAG 0x0080
1260 #endif
1261
1262 // implemented in msw/listctrl.cpp:
1263 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1264
1265 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1266
1267 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1268 const wxPoint &pos, const wxSize &size,
1269 const wxString &name )
1270 {
1271 m_owner = parent;
1272
1273 m_scrollOffsetX = 0;
1274 m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this ) + 10;
1275
1276 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1277 y = pos.y == wxDefaultCoord ? 0 : pos.y,
1278 w = size.x == wxDefaultCoord ? 1 : size.x,
1279 h = size.y == wxDefaultCoord ? m_buttonHeight : size.y;
1280
1281 if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
1282 return false;
1283
1284 // create the native WC_HEADER window:
1285 WXHWND hwndParent = (HWND)parent->GetHandle();
1286 WXDWORD msStyle = WS_CHILD | HDS_DRAGDROP | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1287
1288 if ( m_isShown )
1289 msStyle |= WS_VISIBLE;
1290
1291 m_hWnd = CreateWindowEx(0,
1292 WC_HEADER,
1293 (LPCTSTR) NULL,
1294 msStyle,
1295 x, y, w, h,
1296 (HWND)hwndParent,
1297 (HMENU)-1,
1298 wxGetInstance(),
1299 (LPVOID) NULL);
1300 if (m_hWnd == NULL)
1301 {
1302 wxLogLastError(_T("CreateWindowEx"));
1303 return false;
1304 }
1305
1306 // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1307 // to call wxDataViewHeaderWindow::MSWOnNotify
1308 SubclassWin(m_hWnd);
1309
1310 // the following is required to get the default win's font for
1311 // header windows and must be done befor sending the HDM_LAYOUT msg
1312 SetFont(GetFont());
1313
1314 return true;
1315 }
1316
1317 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1318 {
1319 UnsubclassWin();
1320 }
1321
1322 wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
1323 {
1324 return wxSize(80, m_buttonHeight );
1325 }
1326
1327 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1328 {
1329 // remove old columns
1330 for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1331 Header_DeleteItem((HWND)m_hWnd, 0);
1332
1333 // add the updated array of columns to the header control
1334 unsigned int cols = GetOwner()->GetColumnCount();
1335 unsigned int added = 0;
1336 for (unsigned int i = 0; i < cols; i++)
1337 {
1338 wxDataViewColumn *col = GetColumn( i );
1339 if (col->IsHidden())
1340 continue; // don't add it!
1341
1342 HDITEM hdi;
1343 hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1344 hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1345 hdi.cxy = col->GetWidth();
1346 hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1347 hdi.fmt = HDF_LEFT | HDF_STRING;
1348 //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1349
1350 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1351 {
1352 //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1353 //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1354 // VZ: works with 5.81
1355 hdi.fmt |= col->IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
1356 }
1357
1358 // lParam is reserved for application's use:
1359 // we store there the column index to use it later in MSWOnNotify
1360 // (since columns may have been hidden)
1361 hdi.lParam = (LPARAM)i;
1362
1363 // the native wxMSW implementation of the header window
1364 // draws the column separator COLUMN_WIDTH_OFFSET pixels
1365 // on the right: to correct this effect we make the column
1366 // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1367 if (i == 0)
1368 hdi.cxy += COLUMN_WIDTH_OFFSET;
1369
1370 switch (col->GetAlignment())
1371 {
1372 case wxALIGN_LEFT:
1373 hdi.fmt |= HDF_LEFT;
1374 break;
1375 case wxALIGN_CENTER:
1376 case wxALIGN_CENTER_HORIZONTAL:
1377 hdi.fmt |= HDF_CENTER;
1378 break;
1379 case wxALIGN_RIGHT:
1380 hdi.fmt |= HDF_RIGHT;
1381 break;
1382
1383 default:
1384 // such alignment is not allowed for the column header!
1385 break; // wxFAIL;
1386 }
1387
1388 SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1389 (WPARAM)added, (LPARAM)&hdi);
1390 added++;
1391 }
1392 }
1393
1394 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1395 {
1396 unsigned int idx;
1397
1398 // NOTE: we don't just return nmHDR->iItem because when there are
1399 // hidden columns, nmHDR->iItem may be different from
1400 // nmHDR->pitem->lParam
1401
1402 if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1403 {
1404 idx = (unsigned int)nmHDR->pitem->lParam;
1405 return idx;
1406 }
1407
1408 HDITEM item;
1409 item.mask = HDI_LPARAM;
1410 Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1411
1412 return (unsigned int)item.lParam;
1413 }
1414
1415 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1416 {
1417 NMHDR *nmhdr = (NMHDR *)lParam;
1418
1419 // is it a message from the header?
1420 if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1421 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1422
1423 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1424 switch ( nmhdr->code )
1425 {
1426 case HDN_BEGINTRACK:
1427 // user has started to resize a column:
1428 // do we need to veto it?
1429 if (!GetColumn(nmHDR->iItem)->IsResizeable())
1430 {
1431 // veto it!
1432 *result = TRUE;
1433 }
1434 break;
1435
1436 case HDN_BEGINDRAG:
1437 // user has started to reorder a column
1438 break;
1439
1440 case HDN_ITEMCHANGING:
1441 if (nmHDR->pitem != NULL &&
1442 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1443 {
1444 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1445 if (nmHDR->pitem->cxy < minWidth)
1446 {
1447 // do not allow the user to resize this column under
1448 // its minimal width:
1449 *result = TRUE;
1450 }
1451 }
1452 break;
1453
1454 case HDN_ITEMCHANGED: // user is resizing a column
1455 case HDN_ENDTRACK: // user has finished resizing a column
1456 case HDN_ENDDRAG: // user has finished reordering a column
1457
1458 // update the width of the modified column:
1459 if (nmHDR->pitem != NULL &&
1460 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1461 {
1462 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1463 unsigned int w = nmHDR->pitem->cxy;
1464 wxDataViewColumn *col = GetColumn(idx);
1465
1466 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1467 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1468 w -= COLUMN_WIDTH_OFFSET;
1469
1470 if (w >= (unsigned)col->GetMinWidth())
1471 col->SetInternalWidth(w);
1472 }
1473 break;
1474
1475 case HDN_ITEMCLICK:
1476 {
1477 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1478 wxDataViewModel * model = GetOwner()->GetModel();
1479
1480 if(nmHDR->iButton == 0)
1481 {
1482 wxDataViewColumn *col = GetColumn(idx);
1483 if(col->IsSortable())
1484 {
1485 if(model && m_owner->GetSortingColumn() == col)
1486 {
1487 bool order = col->IsSortOrderAscending();
1488 col->SetSortOrder(!order);
1489 }
1490 else if(model)
1491 {
1492 m_owner->SetSortingColumn(col);
1493 }
1494 }
1495 UpdateDisplay();
1496 if(model)
1497 model->Resort();
1498 }
1499
1500 wxEventType evt = nmHDR->iButton == 0 ?
1501 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1502 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1503 SendEvent(evt, idx);
1504 }
1505 break;
1506
1507 case NM_RCLICK:
1508 {
1509 // NOTE: for some reason (i.e. for a bug in Windows)
1510 // the HDN_ITEMCLICK notification is not sent on
1511 // right clicks, so we need to handle NM_RCLICK
1512
1513 POINT ptClick;
1514 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1515 if (column != wxNOT_FOUND)
1516 {
1517 HDITEM item;
1518 item.mask = HDI_LPARAM;
1519 Header_GetItem((HWND)m_hWnd, column, &item);
1520
1521 // 'idx' may be different from 'column' if there are
1522 // hidden columns...
1523 unsigned int idx = (unsigned int)item.lParam;
1524 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1525 idx);
1526 }
1527 }
1528 break;
1529
1530 case HDN_GETDISPINFOW:
1531 // see wxListCtrl::MSWOnNotify for more info!
1532 break;
1533
1534 case HDN_ITEMDBLCLICK:
1535 {
1536 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1537 int w = GetOwner()->GetBestColumnWidth(idx);
1538
1539 // update the native control:
1540 HDITEM hd;
1541 ZeroMemory(&hd, sizeof(hd));
1542 hd.mask = HDI_WIDTH;
1543 hd.cxy = w;
1544 Header_SetItem(GetHwnd(),
1545 nmHDR->iItem, // NOTE: we don't want 'idx' here!
1546 &hd);
1547
1548 // update the wxDataViewColumn class:
1549 GetColumn(idx)->SetInternalWidth(w);
1550 }
1551 break;
1552
1553 default:
1554 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1555 }
1556
1557 return true;
1558 }
1559
1560 void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy),
1561 const wxRect * WXUNUSED(rect))
1562 {
1563 m_scrollOffsetX += dx;
1564
1565 GetParent()->Layout();
1566 }
1567
1568 void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
1569 int w, int h,
1570 int f)
1571 {
1572 // TODO: why is there a border + 2px around it?
1573 wxControl::DoSetSize( x+m_scrollOffsetX+1, y+1, w-m_scrollOffsetX-2, h-2, f );
1574 }
1575
1576 #else // !defined(__WXMSW__)
1577
1578 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1579 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1580 EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
1581 EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
1582 EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
1583 END_EVENT_TABLE()
1584
1585 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1586 const wxPoint &pos, const wxSize &size,
1587 const wxString &name )
1588 {
1589 m_owner = parent;
1590
1591 if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1592 return false;
1593
1594 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1595 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1596 SetOwnForegroundColour( attr.colFg );
1597 SetOwnBackgroundColour( attr.colBg );
1598 if (!m_hasFont)
1599 SetOwnFont( attr.font );
1600
1601 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1602 // a wxBoxSizer and in order to avoid super-big header windows,
1603 // we need to set our height as fixed
1604 SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1605 SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1606
1607 return true;
1608 }
1609
1610 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1611 {
1612 int w, h;
1613 GetClientSize( &w, &h );
1614
1615 wxAutoBufferedPaintDC dc( this );
1616
1617 dc.SetBackground(GetBackgroundColour());
1618 dc.Clear();
1619
1620 int xpix;
1621 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1622
1623 int x;
1624 m_owner->GetViewStart( &x, NULL );
1625
1626 // account for the horz scrollbar offset
1627 dc.SetDeviceOrigin( -x * xpix, 0 );
1628
1629 dc.SetFont( GetFont() );
1630
1631 unsigned int cols = GetOwner()->GetColumnCount();
1632 unsigned int i;
1633 int xpos = 0;
1634 for (i = 0; i < cols; i++)
1635 {
1636 wxDataViewColumn *col = GetColumn( i );
1637 if (col->IsHidden())
1638 continue; // skip it!
1639
1640 int cw = col->GetWidth();
1641 int ch = h;
1642
1643 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1644 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1645 {
1646 if (col->IsSortOrderAscending())
1647 sortArrow = wxHDR_SORT_ICON_UP;
1648 else
1649 sortArrow = wxHDR_SORT_ICON_DOWN;
1650 }
1651
1652 int state = 0;
1653 if (m_parent->IsEnabled())
1654 {
1655 if ((int) i == m_hover)
1656 state = wxCONTROL_CURRENT;
1657 }
1658 else
1659 {
1660 state = (int) wxCONTROL_DISABLED;
1661 }
1662
1663 wxRendererNative::Get().DrawHeaderButton
1664 (
1665 this,
1666 dc,
1667 wxRect(xpos, 0, cw, ch-1),
1668 state,
1669 sortArrow
1670 );
1671
1672 // align as required the column title:
1673 int x = xpos;
1674 wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1675 switch (col->GetAlignment())
1676 {
1677 case wxALIGN_LEFT:
1678 x += HEADER_HORIZ_BORDER;
1679 break;
1680 case wxALIGN_RIGHT:
1681 x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1682 break;
1683 default:
1684 case wxALIGN_CENTER:
1685 case wxALIGN_CENTER_HORIZONTAL:
1686 x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1687 break;
1688 }
1689
1690 // always center the title vertically:
1691 int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1692
1693 dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1694 HEADER_VERT_BORDER,
1695 wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
1696 wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
1697 dc.DrawText( col->GetTitle(), x, y );
1698 dc.DestroyClippingRegion();
1699
1700 xpos += cw;
1701 }
1702 }
1703
1704 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1705 {
1706 GetParent()->SetFocus();
1707 event.Skip();
1708 }
1709
1710 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1711 {
1712 // we want to work with logical coords
1713 int x;
1714 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1715 int y = event.GetY();
1716
1717 if (m_isDragging)
1718 {
1719 // we don't draw the line beyond our window,
1720 // but we allow dragging it there
1721 int w = 0;
1722 GetClientSize( &w, NULL );
1723 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1724 w -= 6;
1725
1726 if (event.ButtonUp())
1727 {
1728 m_isDragging = false;
1729 if (HasCapture())
1730 ReleaseMouse();
1731
1732 m_dirty = true;
1733 }
1734 m_currentX = wxMax(m_minX + 7, x);
1735
1736 if (m_currentX < w)
1737 {
1738 GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1739 Refresh();
1740 GetOwner()->Refresh();
1741 }
1742
1743 }
1744 else // not dragging
1745 {
1746 m_minX = 0;
1747 m_column = wxNOT_FOUND;
1748
1749 bool hit_border = false;
1750
1751 // end of the current column
1752 int xpos = 0;
1753
1754 // find the column where this event occured
1755 int countCol = m_owner->GetColumnCount();
1756 for (int column = 0; column < countCol; column++)
1757 {
1758 wxDataViewColumn *p = GetColumn(column);
1759
1760 if (p->IsHidden())
1761 continue; // skip if not shown
1762
1763 xpos += p->GetWidth();
1764 m_column = column;
1765 if ((abs(x-xpos) < 3) && (y < 22))
1766 {
1767 hit_border = true;
1768 break;
1769 }
1770
1771 if (x < xpos)
1772 {
1773 // inside the column
1774 break;
1775 }
1776
1777 m_minX = xpos;
1778 }
1779
1780 int old_hover = m_hover;
1781 m_hover = m_column;
1782 if (event.Leaving())
1783 m_hover = wxNOT_FOUND;
1784 if (old_hover != m_hover)
1785 Refresh();
1786
1787 if (m_column == wxNOT_FOUND)
1788 return;
1789
1790 bool resizeable = GetColumn(m_column)->IsResizeable();
1791 if (event.LeftDClick() && resizeable)
1792 {
1793 GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1794 Refresh();
1795 }
1796 else if (event.LeftDown() || event.RightUp())
1797 {
1798 if (hit_border && event.LeftDown() && resizeable)
1799 {
1800 m_isDragging = true;
1801 CaptureMouse();
1802 m_currentX = x;
1803 }
1804 else // click on a column
1805 {
1806 wxDataViewModel * model = GetOwner()->GetModel();
1807 wxEventType evt = event.LeftDown() ?
1808 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1809 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1810 SendEvent(evt, m_column);
1811
1812 //Left click the header
1813 if(event.LeftDown())
1814 {
1815 wxDataViewColumn *col = GetColumn(m_column);
1816 if(col->IsSortable())
1817 {
1818 wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
1819 if(model && sortCol == col)
1820 {
1821 bool order = col->IsSortOrderAscending();
1822 col->SetSortOrder(!order);
1823 }
1824 else if(model)
1825 {
1826 m_owner->SetSortingColumn(col);
1827 }
1828 }
1829 UpdateDisplay();
1830 if(model)
1831 model->Resort();
1832 //Send the column sorted event
1833 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1834 }
1835 }
1836 }
1837 else if (event.Moving())
1838 {
1839 if (hit_border && resizeable)
1840 m_currentCursor = m_resizeCursor;
1841 else
1842 m_currentCursor = wxSTANDARD_CURSOR;
1843
1844 SetCursor(*m_currentCursor);
1845 }
1846 }
1847 }
1848
1849 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1850 {
1851 int xpix, x;
1852
1853 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1854 m_owner->GetViewStart( &x, NULL );
1855
1856 // shift the DC origin to match the position of the main window horizontal
1857 // scrollbar: this allows us to always use logical coords
1858 dc.SetDeviceOrigin( -x * xpix, 0 );
1859 }
1860
1861 #endif // defined(__WXMSW__)
1862
1863 //-----------------------------------------------------------------------------
1864 // wxDataViewRenameTimer
1865 //-----------------------------------------------------------------------------
1866
1867 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1868 {
1869 m_owner = owner;
1870 }
1871
1872 void wxDataViewRenameTimer::Notify()
1873 {
1874 m_owner->OnRenameTimer();
1875 }
1876
1877 //-----------------------------------------------------------------------------
1878 // wxDataViewMainWindow
1879 //-----------------------------------------------------------------------------
1880
1881 //The tree building helper, declared firstly
1882 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1883
1884 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1885 {
1886 if (row1 > row2) return 1;
1887 if (row1 == row2) return 0;
1888 return -1;
1889 }
1890
1891
1892 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1893
1894 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1895 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1896 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1897 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1898 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1899 EVT_CHAR (wxDataViewMainWindow::OnChar)
1900 END_EVENT_TABLE()
1901
1902 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1903 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1904 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1905 m_selection( wxDataViewSelectionCmp )
1906
1907 {
1908 SetOwner( parent );
1909
1910 m_lastOnSame = false;
1911 m_renameTimer = new wxDataViewRenameTimer( this );
1912
1913 // TODO: user better initial values/nothing selected
1914 m_currentCol = NULL;
1915 m_currentRow = 0;
1916
1917 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1918
1919 m_dragCount = 0;
1920 m_dragStart = wxPoint(0,0);
1921 m_lineLastClicked = (unsigned int) -1;
1922 m_lineBeforeLastClicked = (unsigned int) -1;
1923 m_lineSelectSingleOnUp = (unsigned int) -1;
1924
1925 m_hasFocus = false;
1926
1927 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1928 SetBackgroundColour( *wxWHITE );
1929
1930 m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
1931
1932 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1933 m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
1934 //Some new added code to deal with the tree structure
1935 m_root = new wxDataViewTreeNode( NULL );
1936 m_root->SetHasChildren(true);
1937
1938 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1939 m_count = -1 ;
1940 m_underMouse = NULL;
1941 UpdateDisplay();
1942 }
1943
1944 wxDataViewMainWindow::~wxDataViewMainWindow()
1945 {
1946 DestroyTree();
1947 delete m_renameTimer;
1948 }
1949
1950 void wxDataViewMainWindow::OnRenameTimer()
1951 {
1952 // We have to call this here because changes may just have
1953 // been made and no screen update taken place.
1954 if ( m_dirty )
1955 wxSafeYield();
1956
1957 int xpos = 0;
1958 unsigned int cols = GetOwner()->GetColumnCount();
1959 unsigned int i;
1960 for (i = 0; i < cols; i++)
1961 {
1962 wxDataViewColumn *c = GetOwner()->GetColumn( i );
1963 if (c->IsHidden())
1964 continue; // skip it!
1965
1966 if (c == m_currentCol)
1967 break;
1968 xpos += c->GetWidth();
1969 }
1970 wxRect labelRect( xpos, m_currentRow * m_lineHeight,
1971 m_currentCol->GetWidth(), m_lineHeight );
1972
1973 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1974 &labelRect.x, &labelRect.y);
1975
1976 wxDataViewItem item = GetItemByRow( m_currentRow );
1977 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1978
1979 }
1980
1981 //------------------------------------------------------------------
1982 // Helper class for do operation on the tree node
1983 //------------------------------------------------------------------
1984 class DoJob
1985 {
1986 public:
1987 DoJob(){};
1988 virtual ~DoJob(){};
1989
1990 //The return value control how the tree-walker tranverse the tree
1991 // 0: Job done, stop tranverse and return
1992 // 1: Ignore the current node's subtree and continue
1993 // 2: Job not done, continue
1994 enum { OK = 0 , IGR = 1, CONT = 2 };
1995 virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
1996 virtual int operator() ( void * n ) = 0;
1997 };
1998
1999 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2000 {
2001 if( node==NULL )
2002 return false;
2003
2004 switch( func( node ) )
2005 {
2006 case DoJob::OK :
2007 return true ;
2008 case DoJob::IGR:
2009 return false;
2010 case DoJob::CONT:
2011 default:
2012 ;
2013 }
2014
2015 wxDataViewTreeNodes nodes = node->GetNodes();
2016 wxDataViewTreeLeaves leaves = node->GetChildren();
2017
2018 int len_nodes = nodes.GetCount();
2019 int len = leaves.GetCount();
2020 int i = 0, nodes_i = 0;
2021
2022 for( ; i < len ; i ++ )
2023 {
2024 void * n = leaves[i];
2025 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2026 {
2027 wxDataViewTreeNode * nd = nodes[nodes_i];
2028 nodes_i++;
2029
2030 if( Walker( nd , func ) )
2031 return true;
2032
2033 }
2034 else
2035 switch( func( n ) )
2036 {
2037 case DoJob::OK :
2038 return true ;
2039 case DoJob::IGR:
2040 continue;
2041 case DoJob::CONT:
2042 default:
2043 ;
2044 }
2045 }
2046 return false;
2047 }
2048
2049 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2050 {
2051 if (!m_root)
2052 {
2053 m_count++;
2054 UpdateDisplay();
2055 return true;
2056 }
2057
2058 SortPrepare();
2059
2060 wxDataViewTreeNode * node;
2061 node = FindNode(parent);
2062
2063 if( node == NULL )
2064 return false;
2065
2066 node->SetHasChildren( true );
2067
2068 if( g_model->IsContainer( item ) )
2069 {
2070 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2071 newnode->SetItem(item);
2072 newnode->SetHasChildren( true );
2073 node->AddNode( newnode);
2074 }
2075 else
2076 node->AddLeaf( item.GetID() );
2077
2078 node->ChangeSubTreeCount(1);
2079
2080 m_count = -1;
2081 UpdateDisplay();
2082
2083 return true;
2084 }
2085
2086 void DestroyTreeHelper( wxDataViewTreeNode * node);
2087
2088 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2089 const wxDataViewItem& item)
2090 {
2091 if (!m_root)
2092 {
2093 m_count--;
2094 if( m_currentRow > GetRowCount() )
2095 m_currentRow = m_count - 1;
2096
2097 m_selection.Empty();
2098
2099 UpdateDisplay();
2100
2101 return true;
2102 }
2103
2104 wxDataViewTreeNode * node = FindNode(parent);
2105
2106 wxCHECK_MSG( node != NULL, false, "item not found" );
2107 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2108
2109 int sub = -1;
2110 node->GetChildren().Remove( item.GetID() );
2111 //Manuplate selection
2112 if( m_selection.GetCount() > 1 )
2113 {
2114 m_selection.Empty();
2115 }
2116 bool isContainer = false;
2117 wxDataViewTreeNodes nds = node->GetNodes();
2118 for (size_t i = 0; i < nds.GetCount(); i ++)
2119 {
2120 if (nds[i]->GetItem() == item)
2121 {
2122 isContainer = true;
2123 break;
2124 }
2125 }
2126 if( isContainer )
2127 {
2128 wxDataViewTreeNode * n = NULL;
2129 wxDataViewTreeNodes nodes = node->GetNodes();
2130 int len = nodes.GetCount();
2131 for( int i = 0 ; i < len; i ++)
2132 {
2133 if( nodes[i]->GetItem() == item )
2134 {
2135 n = nodes[i];
2136 break;
2137 }
2138 }
2139
2140 wxCHECK_MSG( n != NULL, false, "item not found" );
2141
2142 node->GetNodes().Remove( n );
2143 sub -= n->GetSubTreeCount();
2144 DestroyTreeHelper(n);
2145 }
2146 //Make the row number invalid and get a new valid one when user call GetRowCount
2147 m_count = -1;
2148 node->ChangeSubTreeCount(sub);
2149 if( node->GetChildrenNumber() == 0)
2150 {
2151 node->GetParent()->GetNodes().Remove( node );
2152 delete node;
2153 }
2154
2155 //Change the current row to the last row if the current exceed the max row number
2156 if( m_currentRow > GetRowCount() )
2157 m_currentRow = m_count - 1;
2158
2159 UpdateDisplay();
2160
2161 return true;
2162 }
2163
2164 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2165 {
2166 SortPrepare();
2167 g_model->Resort();
2168
2169 //Send event
2170 wxWindow *parent = GetParent();
2171 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2172 le.SetEventObject(parent);
2173 le.SetModel(GetOwner()->GetModel());
2174 le.SetItem(item);
2175 parent->GetEventHandler()->ProcessEvent(le);
2176
2177 return true;
2178 }
2179
2180 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2181 {
2182 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2183 /*#define MAX_VIRTUAL_WIDTH 100000
2184
2185 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2186 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2187 Refresh( true, &rect );
2188
2189 return true;
2190 */
2191 SortPrepare();
2192 g_model->Resort();
2193
2194 //Send event
2195 wxWindow *parent = GetParent();
2196 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2197 le.SetEventObject(parent);
2198 le.SetModel(GetOwner()->GetModel());
2199 le.SetItem(item);
2200 le.SetColumn(col);
2201 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2202 parent->GetEventHandler()->ProcessEvent(le);
2203
2204 return true;
2205 }
2206
2207 bool wxDataViewMainWindow::Cleared()
2208 {
2209 DestroyTree();
2210
2211 SortPrepare();
2212 BuildTree( GetOwner()->GetModel() );
2213
2214 UpdateDisplay();
2215
2216 return true;
2217 }
2218
2219 void wxDataViewMainWindow::UpdateDisplay()
2220 {
2221 m_dirty = true;
2222 }
2223
2224 void wxDataViewMainWindow::OnInternalIdle()
2225 {
2226 wxWindow::OnInternalIdle();
2227
2228 if (m_dirty)
2229 {
2230 RecalculateDisplay();
2231 m_dirty = false;
2232 }
2233 }
2234
2235 void wxDataViewMainWindow::RecalculateDisplay()
2236 {
2237 wxDataViewModel *model = GetOwner()->GetModel();
2238 if (!model)
2239 {
2240 Refresh();
2241 return;
2242 }
2243
2244 int width = GetEndOfLastCol();
2245 int height = GetRowCount() * m_lineHeight;
2246
2247 SetVirtualSize( width, height );
2248 GetOwner()->SetScrollRate( 10, m_lineHeight );
2249
2250 Refresh();
2251 }
2252
2253 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2254 {
2255 wxWindow::ScrollWindow( dx, dy, rect );
2256
2257 if (GetOwner()->m_headerArea)
2258 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2259 }
2260
2261 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2262 {
2263 int x, y;
2264 m_owner->GetScrollPixelsPerUnit( &x, &y );
2265 int sy = rows*m_lineHeight/y;
2266 int sx = 0;
2267 if( column != -1 )
2268 {
2269 wxRect rect = GetClientRect();
2270 int colnum = 0;
2271 int x_start = 0, x_end = 0, w = 0;
2272 int xx, yy, xe;
2273 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2274 for (x_start = 0; colnum < column; colnum++)
2275 {
2276 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2277 if (col->IsHidden())
2278 continue; // skip it!
2279
2280 w = col->GetWidth();
2281 x_start += w;
2282 }
2283
2284 x_end = x_start + w;
2285 xe = xx + rect.width;
2286 if( x_end > xe )
2287 {
2288 sx = ( xx + x_end - xe )/x;
2289 }
2290 if( x_start < xx )
2291 {
2292 sx = x_start/x;
2293 }
2294 }
2295 m_owner->Scroll( sx, sy );
2296 }
2297
2298 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
2299 {
2300 wxDataViewModel *model = GetOwner()->GetModel();
2301 wxAutoBufferedPaintDC dc( this );
2302
2303 // prepare the DC
2304 dc.SetBackground(GetBackgroundColour());
2305 dc.Clear();
2306 GetOwner()->PrepareDC( dc );
2307 dc.SetFont( GetFont() );
2308
2309 wxRect update = GetUpdateRegion().GetBox();
2310 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
2311
2312 // compute which items needs to be redrawn
2313 unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
2314 unsigned int item_count =
2315 wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
2316 (int)(GetRowCount( ) - item_start));
2317 unsigned int item_last = item_start + item_count;
2318
2319 // compute which columns needs to be redrawn
2320 unsigned int cols = GetOwner()->GetColumnCount();
2321 unsigned int col_start = 0;
2322 unsigned int x_start = 0;
2323 for (x_start = 0; col_start < cols; col_start++)
2324 {
2325 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
2326 if (col->IsHidden())
2327 continue; // skip it!
2328
2329 unsigned int w = col->GetWidth();
2330 if (x_start+w >= (unsigned int)update.x)
2331 break;
2332
2333 x_start += w;
2334 }
2335
2336 unsigned int col_last = col_start;
2337 unsigned int x_last = x_start;
2338 for (; col_last < cols; col_last++)
2339 {
2340 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2341 if (col->IsHidden())
2342 continue; // skip it!
2343
2344 if (x_last > (unsigned int)update.GetRight())
2345 break;
2346
2347 x_last += col->GetWidth();
2348 }
2349
2350 // Draw horizontal rules if required
2351 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2352 {
2353 dc.SetPen(m_penRule);
2354 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2355
2356 for (unsigned int i = item_start; i <= item_last+1; i++)
2357 {
2358 int y = i * m_lineHeight;
2359 dc.DrawLine(x_start, y, x_last, y);
2360 }
2361 }
2362
2363 // Draw vertical rules if required
2364 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2365 {
2366 dc.SetPen(m_penRule);
2367 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2368
2369 int x = x_start;
2370 for (unsigned int i = col_start; i < col_last; i++)
2371 {
2372 wxDataViewColumn *col = GetOwner()->GetColumn(i);
2373 if (col->IsHidden())
2374 continue; // skip it
2375
2376 dc.DrawLine(x, item_start * m_lineHeight,
2377 x, item_last * m_lineHeight);
2378
2379 x += col->GetWidth();
2380 }
2381
2382 // Draw last vertical rule
2383 dc.DrawLine(x, item_start * m_lineHeight,
2384 x, item_last * m_lineHeight);
2385 }
2386
2387 // redraw the background for the items which are selected/current
2388 for (unsigned int item = item_start; item < item_last; item++)
2389 {
2390 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2391 if (selected || item == m_currentRow)
2392 {
2393 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2394 if (item == m_currentRow)
2395 flags |= wxCONTROL_CURRENT;
2396 if (m_hasFocus)
2397 flags |= wxCONTROL_FOCUSED;
2398
2399 wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2400 wxRendererNative::Get().DrawItemSelectionRect
2401 (
2402 this,
2403 dc,
2404 rect,
2405 flags
2406 );
2407 }
2408 }
2409
2410 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
2411 if (!expander)
2412 {
2413 // TODO: last column for RTL support
2414 expander = GetOwner()->GetColumn( 0 );
2415 GetOwner()->SetExpanderColumn(expander);
2416 }
2417
2418 // redraw all cells for all rows which must be repainted and for all columns
2419 wxRect cell_rect;
2420 cell_rect.x = x_start;
2421 cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
2422 for (unsigned int i = col_start; i < col_last; i++)
2423 {
2424 wxDataViewColumn *col = GetOwner()->GetColumn( i );
2425 wxDataViewRenderer *cell = col->GetRenderer();
2426 cell_rect.width = col->GetWidth();
2427
2428 if (col->IsHidden())
2429 continue; // skipt it!
2430
2431
2432 for (unsigned int item = item_start; item < item_last; item++)
2433 {
2434 // get the cell value and set it into the renderer
2435 wxVariant value;
2436 wxDataViewTreeNode *node = NULL;
2437 wxDataViewItem dataitem;
2438
2439 if (m_root)
2440 {
2441 node = GetTreeNodeByRow(item);
2442 if( node == NULL )
2443 continue;
2444
2445 dataitem = node->GetItem();
2446
2447 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
2448 continue;
2449 }
2450 else
2451 {
2452 dataitem = wxDataViewItem( (void*) item );
2453 }
2454
2455 model->GetValue( value, dataitem, col->GetModelColumn());
2456 cell->SetValue( value );
2457
2458 if (cell->GetWantsAttr())
2459 {
2460 wxDataViewItemAttr attr;
2461 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
2462 if (ret)
2463 cell->SetAttr( attr );
2464 cell->SetHasAttr( ret );
2465 }
2466
2467 // update the y offset
2468 cell_rect.y = item * m_lineHeight;
2469
2470 //Draw the expander here.
2471 int indent = 0;
2472 if ((m_root) && (col == expander))
2473 {
2474 indent = node->GetIndentLevel();
2475
2476 //Calculate the indent first
2477 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2478
2479 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2480 // change the cell_rect.x to the appropriate pos
2481 int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2482 indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
2483 dc.SetPen( m_penExpander );
2484 dc.SetBrush( wxNullBrush );
2485 if( node->HasChildren() )
2486 {
2487 wxRect rect( expander_x , expander_y, expander_width, expander_width);
2488 int flag = 0;
2489 if (m_underMouse == node)
2490 {
2491 flag |= wxCONTROL_CURRENT;
2492 }
2493 if( node->IsOpen() )
2494 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
2495 else
2496 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2497 }
2498 else
2499 {
2500 // I am wondering whether we should draw dot lines between tree nodes
2501 if (node)
2502 delete node;
2503 // Yes, if the node does not have any child, it must be a leaf which
2504 // mean that it is a temporarily created by GetTreeNodeByRow
2505 }
2506
2507 //force the expander column to left-center align
2508 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2509 }
2510
2511
2512 // cannot be bigger than allocated space
2513 wxSize size = cell->GetSize();
2514 // Because of the tree structure indent, here we should minus the width of the cell for drawing
2515 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2516 // size.y = wxMin( size.y, cell_rect.height );
2517 size.y = cell_rect.height;
2518
2519 wxRect item_rect(cell_rect.GetTopLeft(), size);
2520 int align = cell->GetAlignment();
2521
2522 // horizontal alignment:
2523 item_rect.x = cell_rect.x;
2524 if (align & wxALIGN_CENTER_HORIZONTAL)
2525 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2526 else if (align & wxALIGN_RIGHT)
2527 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2528 //else: wxALIGN_LEFT is the default
2529
2530 // vertical alignment:
2531 item_rect.y = cell_rect.y;
2532 if (align & wxALIGN_CENTER_VERTICAL)
2533 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2534 else if (align & wxALIGN_BOTTOM)
2535 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2536 //else: wxALIGN_TOP is the default
2537
2538 // add padding
2539 item_rect.x += PADDING_RIGHTLEFT;
2540 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2541
2542 //Here we add the tree indent
2543 item_rect.x += indent;
2544
2545 int state = 0;
2546 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
2547 state |= wxDATAVIEW_CELL_SELECTED;
2548
2549 // TODO: it would be much more efficient to create a clipping
2550 // region for the entire column being rendered (in the OnPaint
2551 // of wxDataViewMainWindow) instead of a single clip region for
2552 // each cell. However it would mean that each renderer should
2553 // respect the given wxRect's top & bottom coords, eventually
2554 // violating only the left & right coords - however the user can
2555 // make its own renderer and thus we cannot be sure of that.
2556 dc.SetClippingRegion( item_rect );
2557 cell->Render( item_rect, &dc, state );
2558 dc.DestroyClippingRegion();
2559 }
2560
2561 cell_rect.x += cell_rect.width;
2562 }
2563 }
2564
2565 int wxDataViewMainWindow::GetCountPerPage() const
2566 {
2567 wxSize size = GetClientSize();
2568 return size.y / m_lineHeight;
2569 }
2570
2571 int wxDataViewMainWindow::GetEndOfLastCol() const
2572 {
2573 int width = 0;
2574 unsigned int i;
2575 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2576 {
2577 const wxDataViewColumn *c =
2578 wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2579
2580 if (!c->IsHidden())
2581 width += c->GetWidth();
2582 }
2583 return width;
2584 }
2585
2586 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2587 {
2588 int x = 0;
2589 int y = 0;
2590 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2591
2592 return y / m_lineHeight;
2593 }
2594
2595 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2596 {
2597 wxSize client_size = GetClientSize();
2598 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2599 &client_size.x, &client_size.y );
2600
2601 //we should deal with the pixel here
2602 unsigned int row = ((client_size.y)/m_lineHeight) - 1;
2603
2604 return wxMin( GetRowCount()-1, row );
2605 }
2606
2607 unsigned int wxDataViewMainWindow::GetRowCount()
2608 {
2609 if ( m_count == -1 )
2610 {
2611 m_count = RecalculateCount();
2612 int width, height;
2613 GetVirtualSize( &width, &height );
2614 height = m_count * m_lineHeight;
2615
2616 SetVirtualSize( width, height );
2617 }
2618 return m_count;
2619 }
2620
2621 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2622 {
2623 m_currentRow = row;
2624
2625 // send event
2626 }
2627
2628 void wxDataViewMainWindow::SelectAllRows( bool on )
2629 {
2630 if (IsEmpty())
2631 return;
2632
2633 if (on)
2634 {
2635 m_selection.Clear();
2636 for (unsigned int i = 0; i < GetRowCount(); i++)
2637 m_selection.Add( i );
2638 Refresh();
2639 }
2640 else
2641 {
2642 unsigned int first_visible = GetFirstVisibleRow();
2643 unsigned int last_visible = GetLastVisibleRow();
2644 unsigned int i;
2645 for (i = 0; i < m_selection.GetCount(); i++)
2646 {
2647 unsigned int row = m_selection[i];
2648 if ((row >= first_visible) && (row <= last_visible))
2649 RefreshRow( row );
2650 }
2651 m_selection.Clear();
2652 }
2653 }
2654
2655 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2656 {
2657 if (m_selection.Index( row ) == wxNOT_FOUND)
2658 {
2659 if (on)
2660 {
2661 m_selection.Add( row );
2662 RefreshRow( row );
2663 }
2664 }
2665 else
2666 {
2667 if (!on)
2668 {
2669 m_selection.Remove( row );
2670 RefreshRow( row );
2671 }
2672 }
2673 }
2674
2675 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2676 {
2677 if (from > to)
2678 {
2679 unsigned int tmp = from;
2680 from = to;
2681 to = tmp;
2682 }
2683
2684 unsigned int i;
2685 for (i = from; i <= to; i++)
2686 {
2687 if (m_selection.Index( i ) == wxNOT_FOUND)
2688 {
2689 if (on)
2690 m_selection.Add( i );
2691 }
2692 else
2693 {
2694 if (!on)
2695 m_selection.Remove( i );
2696 }
2697 }
2698 RefreshRows( from, to );
2699 }
2700
2701 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2702 {
2703 for (size_t i=0; i < aSelections.GetCount(); i++)
2704 {
2705 int n = aSelections[i];
2706
2707 m_selection.Add( n );
2708 RefreshRow( n );
2709 }
2710 }
2711
2712 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2713 {
2714 if (m_selection.Index( row ) == wxNOT_FOUND)
2715 m_selection.Add( row );
2716 else
2717 m_selection.Remove( row );
2718 RefreshRow( row );
2719 }
2720
2721 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2722 {
2723 return (m_selection.Index( row ) != wxNOT_FOUND);
2724 }
2725
2726 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2727 {
2728 wxWindow *parent = GetParent();
2729 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2730
2731 le.SetEventObject(parent);
2732 le.SetModel(GetOwner()->GetModel());
2733 le.SetItem( item );
2734
2735 parent->GetEventHandler()->ProcessEvent(le);
2736 }
2737
2738 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2739 {
2740 wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2741 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2742
2743 wxSize client_size = GetClientSize();
2744 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2745 wxRect intersect_rect = client_rect.Intersect( rect );
2746 if (intersect_rect.width > 0)
2747 Refresh( true, &intersect_rect );
2748 }
2749
2750 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2751 {
2752 if (from > to)
2753 {
2754 unsigned int tmp = to;
2755 to = from;
2756 from = tmp;
2757 }
2758
2759 wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2760 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2761
2762 wxSize client_size = GetClientSize();
2763 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2764 wxRect intersect_rect = client_rect.Intersect( rect );
2765 if (intersect_rect.width > 0)
2766 Refresh( true, &intersect_rect );
2767 }
2768
2769 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2770 {
2771 unsigned int count = GetRowCount();
2772 if (firstRow > count)
2773 return;
2774
2775 wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2776 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2777
2778 wxSize client_size = GetClientSize();
2779 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2780 wxRect intersect_rect = client_rect.Intersect( rect );
2781 if (intersect_rect.width > 0)
2782 Refresh( true, &intersect_rect );
2783 }
2784
2785 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2786 {
2787 wxCHECK_RET( newCurrent < GetRowCount(),
2788 _T("invalid item index in OnArrowChar()") );
2789
2790 // if there is no selection, we cannot move it anywhere
2791 if (!HasCurrentRow())
2792 return;
2793
2794 unsigned int oldCurrent = m_currentRow;
2795
2796 // in single selection we just ignore Shift as we can't select several
2797 // items anyhow
2798 if ( event.ShiftDown() && !IsSingleSel() )
2799 {
2800 RefreshRow( oldCurrent );
2801
2802 ChangeCurrentRow( newCurrent );
2803
2804 // select all the items between the old and the new one
2805 if ( oldCurrent > newCurrent )
2806 {
2807 newCurrent = oldCurrent;
2808 oldCurrent = m_currentRow;
2809 }
2810
2811 SelectRows( oldCurrent, newCurrent, true );
2812 if (oldCurrent!=newCurrent)
2813 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2814 }
2815 else // !shift
2816 {
2817 RefreshRow( oldCurrent );
2818
2819 // all previously selected items are unselected unless ctrl is held
2820 if ( !event.ControlDown() )
2821 SelectAllRows(false);
2822
2823 ChangeCurrentRow( newCurrent );
2824
2825 if ( !event.ControlDown() )
2826 {
2827 SelectRow( m_currentRow, true );
2828 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2829 }
2830 else
2831 RefreshRow( m_currentRow );
2832 }
2833
2834 GetOwner()->EnsureVisible( m_currentRow, -1 );
2835 }
2836
2837 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2838 {
2839 wxRect rect;
2840 rect.x = 0;
2841 rect.y = m_lineHeight * row;
2842 rect.width = GetEndOfLastCol();
2843 rect.height = m_lineHeight;
2844
2845 return rect;
2846 }
2847
2848 class RowToItemJob: public DoJob
2849 {
2850 public:
2851 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2852 virtual ~RowToItemJob(){};
2853
2854 virtual int operator() ( wxDataViewTreeNode * node )
2855 {
2856 current ++;
2857 if( current == static_cast<int>(row))
2858 {
2859 ret = node->GetItem() ;
2860 return DoJob::OK;
2861 }
2862
2863 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2864 {
2865 current += node->GetSubTreeCount();
2866 return DoJob::IGR;
2867 }
2868 else
2869 {
2870 //If the current has no child node, we can find the desired item of the row number directly.
2871 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2872 if( node->GetNodes().GetCount() == 0)
2873 {
2874 int index = static_cast<int>(row) - current - 1;
2875 ret = node->GetChildren().Item( index );
2876 return DoJob::OK;
2877 }
2878 return DoJob::CONT;
2879 }
2880 }
2881
2882 virtual int operator() ( void * n )
2883 {
2884 current ++;
2885 if( current == static_cast<int>(row))
2886 {
2887 ret = wxDataViewItem( n ) ;
2888 return DoJob::OK;
2889 }
2890 return DoJob::CONT;
2891 }
2892 wxDataViewItem GetResult(){ return ret; }
2893 private:
2894 unsigned int row;
2895 int current ;
2896 wxDataViewItem ret;
2897 };
2898
2899 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2900 {
2901 if (!m_root)
2902 {
2903 return wxDataViewItem( (void*) row );
2904 }
2905 else
2906 {
2907 RowToItemJob job( row, -2 );
2908 Walker( m_root , job );
2909 return job.GetResult();
2910 }
2911 }
2912
2913 class RowToTreeNodeJob: public DoJob
2914 {
2915 public:
2916 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2917 {
2918 this->row = row;
2919 this->current = current ;
2920 ret = NULL ;
2921 parent = node;
2922 }
2923 virtual ~RowToTreeNodeJob(){};
2924
2925 virtual int operator() ( wxDataViewTreeNode * node )
2926 {
2927 current ++;
2928 if( current == static_cast<int>(row))
2929 {
2930 ret = node ;
2931 return DoJob::OK;
2932 }
2933
2934 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2935 {
2936 current += node->GetSubTreeCount();
2937 return DoJob::IGR;
2938 }
2939 else
2940 {
2941 parent = node;
2942 //If the current has no child node, we can find the desired item of the row number directly.
2943 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2944 if( node->GetNodes().GetCount() == 0)
2945 {
2946 int index = static_cast<int>(row) - current - 1;
2947 void * n = node->GetChildren().Item( index );
2948 ret = new wxDataViewTreeNode( parent ) ;
2949 ret->SetItem( wxDataViewItem( n ));
2950 ret->SetHasChildren(false);
2951 return DoJob::OK;
2952 }
2953 return DoJob::CONT;
2954 }
2955
2956
2957 }
2958
2959 virtual int operator() ( void * n )
2960 {
2961 current ++;
2962 if( current == static_cast<int>(row))
2963 {
2964 ret = new wxDataViewTreeNode( parent ) ;
2965 ret->SetItem( wxDataViewItem( n ));
2966 ret->SetHasChildren(false);
2967 return DoJob::OK;
2968 }
2969
2970 return DoJob::CONT;
2971 }
2972 wxDataViewTreeNode * GetResult(){ return ret; }
2973 private:
2974 unsigned int row;
2975 int current ;
2976 wxDataViewTreeNode * ret;
2977 wxDataViewTreeNode * parent ;
2978 };
2979
2980
2981 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
2982 {
2983 if (!m_root)
2984 {
2985 return NULL;
2986 }
2987 else
2988 {
2989 RowToTreeNodeJob job( row , -2, m_root );
2990 Walker( m_root , job );
2991 return job.GetResult();
2992 }
2993 }
2994
2995 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2996 {
2997 wxWindow *parent = GetParent();
2998 wxDataViewEvent le(type, parent->GetId());
2999
3000 le.SetEventObject(parent);
3001 le.SetModel(GetOwner()->GetModel());
3002 le.SetItem( item );
3003
3004 parent->GetEventHandler()->ProcessEvent(le);
3005 return le;
3006 }
3007
3008 void wxDataViewMainWindow::OnExpanding( unsigned int row )
3009 {
3010 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3011 if( node != NULL )
3012 {
3013 if( node->HasChildren())
3014 {
3015 if( !node->IsOpen())
3016 {
3017 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
3018 //Check if the user prevent expanding
3019 if( e.GetSkipped() )
3020 return;
3021
3022 node->ToggleOpen();
3023 //Here I build the children of current node
3024 if( node->GetChildrenNumber() == 0 )
3025 {
3026 SortPrepare();
3027 BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
3028 }
3029 m_count = -1;
3030 UpdateDisplay();
3031 //Send the expanded event
3032 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3033 }
3034 else
3035 {
3036 SelectRow( row, false );
3037 SelectRow( row + 1, true );
3038 ChangeCurrentRow( row + 1 );
3039 SendSelectionChangedEvent( GetItemByRow(row+1));
3040 }
3041 }
3042 else
3043 delete node;
3044 }
3045 }
3046
3047 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
3048 {
3049 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3050 if( node != NULL )
3051 {
3052 wxDataViewTreeNode * nd = node;
3053
3054 if( node->HasChildren() && node->IsOpen() )
3055 {
3056 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3057 if( e.GetSkipped() )
3058 return;
3059 node->ToggleOpen();
3060 m_count = -1;
3061 UpdateDisplay();
3062 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
3063 }
3064 else
3065 {
3066 node = node->GetParent();
3067 if( node != NULL )
3068 {
3069 int parent = GetRowByItem( node->GetItem() ) ;
3070 if( parent >= 0 )
3071 {
3072 SelectRow( row, false);
3073 SelectRow(parent , true );
3074 ChangeCurrentRow( parent );
3075 SendSelectionChangedEvent( node->GetItem() );
3076 }
3077 }
3078 }
3079 if( !nd->HasChildren())
3080 delete nd;
3081 }
3082 }
3083
3084 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3085 {
3086 wxDataViewModel * model = GetOwner()->GetModel();
3087 if( model == NULL )
3088 return NULL;
3089
3090 //Compose the a parent-chain of the finding item
3091 ItemList list;
3092 list.DeleteContents( true );
3093 wxDataViewItem it( item );
3094 while( it.IsOk() )
3095 {
3096 wxDataViewItem * pItem = new wxDataViewItem( it );
3097 list.Insert( pItem );
3098 it = model->GetParent( it );
3099 }
3100
3101 //Find the item along the parent-chain.
3102 //This algorithm is designed to speed up the node-finding method
3103 wxDataViewTreeNode * node = m_root;
3104 for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )
3105 {
3106 if( node->HasChildren() )
3107 {
3108 if( node->GetChildrenNumber() == 0 )
3109 {
3110 SortPrepare();
3111 BuildTreeHelper(model, node->GetItem(), node);
3112 }
3113
3114 wxDataViewTreeNodes nodes = node->GetNodes();
3115 unsigned int i = 0;
3116 for (; i < nodes.GetCount(); i ++)
3117 {
3118 if (nodes[i]->GetItem() == (**iter))
3119 {
3120 node = nodes[i];
3121 break;
3122 }
3123 }
3124 if (i == nodes.GetCount())
3125 return NULL;
3126 }
3127 else
3128 return NULL;
3129 }
3130 return node;
3131 }
3132
3133 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3134 {
3135 wxDataViewColumn *col = NULL;
3136 unsigned int cols = GetOwner()->GetColumnCount();
3137 unsigned int colnum = 0;
3138 unsigned int x_start = 0;
3139 int x, y;
3140 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3141 for (x_start = 0; colnum < cols; colnum++)
3142 {
3143 col = GetOwner()->GetColumn(colnum);
3144 if (col->IsHidden())
3145 continue; // skip it!
3146
3147 unsigned int w = col->GetWidth();
3148 if (x_start+w >= (unsigned int)x)
3149 break;
3150
3151 x_start += w;
3152 }
3153
3154 column = col;
3155 item = GetItemByRow( y/m_lineHeight );
3156 }
3157
3158 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3159 {
3160 int row = GetRowByItem(item);
3161 int y = row*m_lineHeight;
3162 int h = m_lineHeight;
3163 int x = 0;
3164 wxDataViewColumn *col = NULL;
3165 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3166 {
3167 col = GetOwner()->GetColumn( i );
3168 x += col->GetWidth();
3169 if( GetOwner()->GetColumn(i+1) == column )
3170 break;
3171 }
3172 int w = col->GetWidth();
3173 m_owner->CalcScrolledPosition( x, y, &x, &y );
3174 return wxRect(x, y, w, h);
3175 }
3176
3177 int wxDataViewMainWindow::RecalculateCount()
3178 {
3179 if (!m_root)
3180 {
3181 wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3182 #ifndef __WXMAC__
3183 return list_model->GetLastIndex() + 1;
3184 #else
3185 return list_model->GetLastIndex() - 1;
3186 #endif
3187 }
3188 else
3189 {
3190 return m_root->GetSubTreeCount();
3191 }
3192 }
3193
3194 class ItemToRowJob : public DoJob
3195 {
3196 public:
3197 ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
3198 { this->item = item ; ret = -1 ; m_iter = iter ; }
3199 virtual ~ItemToRowJob(){};
3200
3201 //Maybe binary search will help to speed up this process
3202 virtual int operator() ( wxDataViewTreeNode * node)
3203 {
3204 ret ++;
3205 if( node->GetItem() == item )
3206 {
3207 return DoJob::OK;
3208 }
3209
3210 if( node->GetItem() == **m_iter )
3211 {
3212 m_iter++ ;
3213 return DoJob::CONT;
3214 }
3215 else
3216 {
3217 ret += node->GetSubTreeCount();
3218 return DoJob::IGR;
3219 }
3220
3221 }
3222
3223 virtual int operator() ( void * n )
3224 {
3225 ret ++;
3226 if( n == item.GetID() )
3227 return DoJob::OK;
3228 return DoJob::CONT;
3229 }
3230 //the row number is begin from zero
3231 int GetResult(){ return ret -1 ; }
3232 private:
3233 ItemList::const_iterator m_iter;
3234 wxDataViewItem item;
3235 int ret;
3236
3237 };
3238
3239 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3240 {
3241 wxDataViewModel * model = GetOwner()->GetModel();
3242 if( model == NULL )
3243 return -1;
3244
3245 if (!m_root)
3246 {
3247 return wxPtrToUInt( item.GetID() );
3248 }
3249 else
3250 {
3251 if( !item.IsOk() )
3252 return -1;
3253
3254 //Compose the a parent-chain of the finding item
3255 ItemList list;
3256 wxDataViewItem * pItem = NULL;
3257 list.DeleteContents( true );
3258 wxDataViewItem it( item );
3259 while( it.IsOk() )
3260 {
3261 pItem = new wxDataViewItem( it );
3262 list.Insert( pItem );
3263 it = model->GetParent( it );
3264 }
3265 pItem = new wxDataViewItem( );
3266 list.Insert( pItem );
3267
3268 ItemToRowJob job( item, list.begin() );
3269 Walker(m_root , job );
3270 return job.GetResult();
3271 }
3272 }
3273
3274 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
3275 {
3276 if( !model->IsContainer( item ) )
3277 return ;
3278
3279 wxDataViewItemArray children;
3280 unsigned int num = model->GetChildren( item, children);
3281 unsigned int index = 0;
3282 while( index < num )
3283 {
3284 if( model->IsContainer( children[index] ) )
3285 {
3286 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3287 n->SetItem(children[index]);
3288 n->SetHasChildren( true ) ;
3289 node->AddNode( n );
3290 }
3291 else
3292 {
3293 node->AddLeaf( children[index].GetID() );
3294 }
3295 index ++;
3296 }
3297 node->SetSubTreeCount( num );
3298 wxDataViewTreeNode * n = node->GetParent();
3299 if( n != NULL)
3300 n->ChangeSubTreeCount(num);
3301
3302 }
3303
3304 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3305 {
3306 DestroyTree();
3307
3308 if (GetOwner()->GetModel()->IsIndexListModel())
3309 {
3310 m_count = -1 ;
3311 return;
3312 }
3313
3314 m_root = new wxDataViewTreeNode( NULL );
3315 m_root->SetHasChildren(true);
3316
3317 //First we define a invalid item to fetch the top-level elements
3318 wxDataViewItem item;
3319 SortPrepare();
3320 BuildTreeHelper( model, item, m_root);
3321 m_count = -1 ;
3322 }
3323
3324 void DestroyTreeHelper( wxDataViewTreeNode * node )
3325 {
3326 if( node->GetNodeNumber() != 0 )
3327 {
3328 int len = node->GetNodeNumber();
3329 int i = 0 ;
3330 wxDataViewTreeNodes nodes = node->GetNodes();
3331 for( ; i < len; i ++ )
3332 {
3333 DestroyTreeHelper(nodes[i]);
3334 }
3335 }
3336 delete node;
3337 }
3338
3339 void wxDataViewMainWindow::DestroyTree()
3340 {
3341 if (m_root)
3342 {
3343 DestroyTreeHelper(m_root);
3344 m_count = 0;
3345 m_root = NULL;
3346 }
3347 }
3348
3349 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3350 {
3351 if (event.GetKeyCode() == WXK_TAB)
3352 {
3353 wxNavigationKeyEvent nevent;
3354 nevent.SetWindowChange( event.ControlDown() );
3355 nevent.SetDirection( !event.ShiftDown() );
3356 nevent.SetEventObject( GetParent()->GetParent() );
3357 nevent.SetCurrentFocus( m_parent );
3358 if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
3359 return;
3360 }
3361
3362 // no item -> nothing to do
3363 if (!HasCurrentRow())
3364 {
3365 event.Skip();
3366 return;
3367 }
3368
3369 // don't use m_linesPerPage directly as it might not be computed yet
3370 const int pageSize = GetCountPerPage();
3371 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3372
3373 switch ( event.GetKeyCode() )
3374 {
3375 case WXK_RETURN:
3376 {
3377 if (m_currentRow > 0)
3378 {
3379 wxWindow *parent = GetParent();
3380 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3381 le.SetItem( GetItemByRow(m_currentRow) );
3382 le.SetEventObject(parent);
3383 le.SetModel(GetOwner()->GetModel());
3384
3385 parent->GetEventHandler()->ProcessEvent(le);
3386 }
3387 break;
3388 }
3389 case WXK_UP:
3390 if ( m_currentRow > 0 )
3391 OnArrowChar( m_currentRow - 1, event );
3392 break;
3393
3394 case WXK_DOWN:
3395 if ( m_currentRow < GetRowCount() - 1 )
3396 OnArrowChar( m_currentRow + 1, event );
3397 break;
3398 //Add the process for tree expanding/collapsing
3399 case WXK_LEFT:
3400 OnCollapsing(m_currentRow);
3401 break;
3402 case WXK_RIGHT:
3403 OnExpanding( m_currentRow);
3404 break;
3405 case WXK_END:
3406 if (!IsEmpty())
3407 OnArrowChar( GetRowCount() - 1, event );
3408 break;
3409
3410 case WXK_HOME:
3411 if (!IsEmpty())
3412 OnArrowChar( 0, event );
3413 break;
3414
3415 case WXK_PAGEUP:
3416 {
3417 int steps = pageSize - 1;
3418 int index = m_currentRow - steps;
3419 if (index < 0)
3420 index = 0;
3421
3422 OnArrowChar( index, event );
3423 }
3424 break;
3425
3426 case WXK_PAGEDOWN:
3427 {
3428 int steps = pageSize - 1;
3429 unsigned int index = m_currentRow + steps;
3430 unsigned int count = GetRowCount();
3431 if ( index >= count )
3432 index = count - 1;
3433
3434 OnArrowChar( index, event );
3435 }
3436 break;
3437
3438 default:
3439 event.Skip();
3440 }
3441 }
3442
3443 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3444 {
3445 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3446 {
3447 // let the base handle mouse wheel events.
3448 event.Skip();
3449 return;
3450 }
3451
3452 int x = event.GetX();
3453 int y = event.GetY();
3454 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3455 wxDataViewColumn *col = NULL;
3456
3457 int xpos = 0;
3458 unsigned int cols = GetOwner()->GetColumnCount();
3459 unsigned int i;
3460 for (i = 0; i < cols; i++)
3461 {
3462 wxDataViewColumn *c = GetOwner()->GetColumn( i );
3463 if (c->IsHidden())
3464 continue; // skip it!
3465
3466 if (x < xpos + c->GetWidth())
3467 {
3468 col = c;
3469 break;
3470 }
3471 xpos += c->GetWidth();
3472 }
3473 if (!col)
3474 return;
3475
3476 wxDataViewRenderer *cell = col->GetRenderer();
3477 unsigned int current = y / m_lineHeight;
3478 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3479 {
3480 // Unselect all if below the last row ?
3481 return;
3482 }
3483
3484 //Test whether the mouse is hovered on the tree item button
3485 bool hover = false;
3486 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3487 {
3488 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3489 if( node!=NULL && node->HasChildren() )
3490 {
3491 int indent = node->GetIndentLevel();
3492 indent = GetOwner()->GetIndent()*indent;
3493 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3494 if( rect.Contains( x, y) )
3495 {
3496 //So the mouse is over the expander
3497 hover = true;
3498 if (m_underMouse && m_underMouse != node)
3499 {
3500 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3501 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3502 }
3503 if (m_underMouse != node)
3504 {
3505 //wxLogMessage("Do the row: %d", current);
3506 RefreshRow(current);
3507 }
3508 m_underMouse = node;
3509 }
3510 }
3511 if (node!=NULL && !node->HasChildren())
3512 delete node;
3513 }
3514 if (!hover)
3515 {
3516 if (m_underMouse != NULL)
3517 {
3518 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3519 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3520 m_underMouse = NULL;
3521 }
3522 }
3523
3524 wxDataViewModel *model = GetOwner()->GetModel();
3525
3526 if (event.Dragging())
3527 {
3528 if (m_dragCount == 0)
3529 {
3530 // we have to report the raw, physical coords as we want to be
3531 // able to call HitTest(event.m_pointDrag) from the user code to
3532 // get the item being dragged
3533 m_dragStart = event.GetPosition();
3534 }
3535
3536 m_dragCount++;
3537
3538 if (m_dragCount != 3)
3539 return;
3540
3541 if (event.LeftIsDown())
3542 {
3543 // Notify cell about drag
3544 }
3545 return;
3546 }
3547 else
3548 {
3549 m_dragCount = 0;
3550 }
3551
3552 bool forceClick = false;
3553
3554 if (event.ButtonDClick())
3555 {
3556 m_renameTimer->Stop();
3557 m_lastOnSame = false;
3558 }
3559
3560 wxDataViewItem item = GetItemByRow(current);
3561 bool ignore_other_columns =
3562 ((GetOwner()->GetExpanderColumn() != col) &&
3563 (model->IsContainer(item)) &&
3564 (!model->HasContainerColumns(item)));
3565
3566 if (event.LeftDClick())
3567 {
3568 if ( current == m_lineLastClicked )
3569 {
3570 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3571 {
3572 wxVariant value;
3573 model->GetValue( value, item, col->GetModelColumn() );
3574 cell->SetValue( value );
3575 wxRect cell_rect( xpos, current * m_lineHeight,
3576 col->GetWidth(), m_lineHeight );
3577 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3578
3579 }
3580 else
3581 {
3582 wxWindow *parent = GetParent();
3583 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3584 le.SetItem( item );
3585 le.SetEventObject(parent);
3586 le.SetModel(GetOwner()->GetModel());
3587
3588 parent->GetEventHandler()->ProcessEvent(le);
3589 }
3590 return;
3591 }
3592 else
3593 {
3594 // The first click was on another item, so don't interpret this as
3595 // a double click, but as a simple click instead
3596 forceClick = true;
3597 }
3598 }
3599
3600 if (event.LeftUp())
3601 {
3602 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3603 {
3604 // select single line
3605 SelectAllRows( false );
3606 SelectRow( m_lineSelectSingleOnUp, true );
3607 }
3608
3609 //Process the event of user clicking the expander
3610 bool expander = false;
3611 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3612 {
3613 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3614 if( node!=NULL && node->HasChildren() )
3615 {
3616 int indent = node->GetIndentLevel();
3617 indent = GetOwner()->GetIndent()*indent;
3618 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3619 if( rect.Contains( x, y) )
3620 {
3621 expander = true;
3622 if( node->IsOpen() )
3623 OnCollapsing(current);
3624 else
3625 OnExpanding( current );
3626 }
3627 }
3628 }
3629 //If the user click the expander, we do not do editing even if the column with expander are editable
3630 if (m_lastOnSame && !expander && !ignore_other_columns)
3631 {
3632 if ((col == m_currentCol) && (current == m_currentRow) &&
3633 (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
3634 {
3635 m_renameTimer->Start( 100, true );
3636 }
3637 }
3638
3639 m_lastOnSame = false;
3640 m_lineSelectSingleOnUp = (unsigned int)-1;
3641 }
3642 else
3643 {
3644 // This is necessary, because after a DnD operation in
3645 // from and to ourself, the up event is swallowed by the
3646 // DnD code. So on next non-up event (which means here and
3647 // now) m_lineSelectSingleOnUp should be reset.
3648 m_lineSelectSingleOnUp = (unsigned int)-1;
3649 }
3650
3651 if (event.RightDown())
3652 {
3653 m_lineBeforeLastClicked = m_lineLastClicked;
3654 m_lineLastClicked = current;
3655
3656 // If the item is already selected, do not update the selection.
3657 // Multi-selections should not be cleared if a selected item is clicked.
3658 if (!IsRowSelected(current))
3659 {
3660 SelectAllRows(false);
3661 ChangeCurrentRow(current);
3662 SelectRow(m_currentRow,true);
3663 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3664 }
3665
3666 // notify cell about right click
3667 // cell->...
3668
3669 // Allow generation of context menu event
3670 event.Skip();
3671 }
3672 else if (event.MiddleDown())
3673 {
3674 // notify cell about middle click
3675 // cell->...
3676 }
3677 if (event.LeftDown() || forceClick)
3678 {
3679 SetFocus();
3680
3681 m_lineBeforeLastClicked = m_lineLastClicked;
3682 m_lineLastClicked = current;
3683
3684 unsigned int oldCurrentRow = m_currentRow;
3685 bool oldWasSelected = IsRowSelected(m_currentRow);
3686
3687 bool cmdModifierDown = event.CmdDown();
3688 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3689 {
3690 if ( IsSingleSel() || !IsRowSelected(current) )
3691 {
3692 SelectAllRows( false );
3693 ChangeCurrentRow(current);
3694 SelectRow(m_currentRow,true);
3695 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3696 }
3697 else // multi sel & current is highlighted & no mod keys
3698 {
3699 m_lineSelectSingleOnUp = current;
3700 ChangeCurrentRow(current); // change focus
3701 }
3702 }
3703 else // multi sel & either ctrl or shift is down
3704 {
3705 if (cmdModifierDown)
3706 {
3707 ChangeCurrentRow(current);
3708 ReverseRowSelection(m_currentRow);
3709 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3710 }
3711 else if (event.ShiftDown())
3712 {
3713 ChangeCurrentRow(current);
3714
3715 unsigned int lineFrom = oldCurrentRow,
3716 lineTo = current;
3717
3718 if ( lineTo < lineFrom )
3719 {
3720 lineTo = lineFrom;
3721 lineFrom = m_currentRow;
3722 }
3723
3724 SelectRows(lineFrom, lineTo, true);
3725 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3726 }
3727 else // !ctrl, !shift
3728 {
3729 // test in the enclosing if should make it impossible
3730 wxFAIL_MSG( _T("how did we get here?") );
3731 }
3732 }
3733
3734 if (m_currentRow != oldCurrentRow)
3735 RefreshRow( oldCurrentRow );
3736
3737 wxDataViewColumn *oldCurrentCol = m_currentCol;
3738
3739 // Update selection here...
3740 m_currentCol = col;
3741
3742 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3743 (current == oldCurrentRow)) && oldWasSelected;
3744 }
3745 }
3746
3747 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3748 {
3749 m_hasFocus = true;
3750
3751 if (HasCurrentRow())
3752 Refresh();
3753
3754 event.Skip();
3755 }
3756
3757 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3758 {
3759 m_hasFocus = false;
3760
3761 if (HasCurrentRow())
3762 Refresh();
3763
3764 event.Skip();
3765 }
3766
3767 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3768 {
3769 if( m_selection.GetCount() != 1 )
3770 return wxDataViewItem();
3771
3772 return GetItemByRow( m_selection.Item(0));
3773 }
3774
3775 //-----------------------------------------------------------------------------
3776 // wxDataViewCtrl
3777 //-----------------------------------------------------------------------------
3778 WX_DEFINE_LIST(wxDataViewColumnList)
3779
3780 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3781
3782 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3783 EVT_SIZE(wxDataViewCtrl::OnSize)
3784 END_EVENT_TABLE()
3785
3786 wxDataViewCtrl::~wxDataViewCtrl()
3787 {
3788 if (m_notifier)
3789 GetModel()->RemoveNotifier( m_notifier );
3790 }
3791
3792 void wxDataViewCtrl::Init()
3793 {
3794 m_notifier = NULL;
3795 }
3796
3797 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3798 const wxPoint& pos, const wxSize& size,
3799 long style, const wxValidator& validator )
3800 {
3801 if (!wxControl::Create( parent, id, pos, size,
3802 style | wxScrolledWindowStyle|wxBORDER_SUNKEN, validator))
3803 return false;
3804
3805 SetInitialSize(size);
3806
3807 Init();
3808
3809 #ifdef __WXMAC__
3810 MacSetClipChildren( true ) ;
3811 #endif
3812
3813 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3814
3815 if (HasFlag(wxDV_NO_HEADER))
3816 m_headerArea = NULL;
3817 else
3818 m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3819
3820 SetTargetWindow( m_clientArea );
3821
3822 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3823 if (m_headerArea)
3824 sizer->Add( m_headerArea, 0, wxGROW );
3825 sizer->Add( m_clientArea, 1, wxGROW );
3826 SetSizer( sizer );
3827
3828 return true;
3829 }
3830
3831 #ifdef __WXMSW__
3832 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3833 WXWPARAM wParam,
3834 WXLPARAM lParam)
3835 {
3836 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3837
3838 #ifndef __WXWINCE__
3839 // we need to process arrows ourselves for scrolling
3840 if ( nMsg == WM_GETDLGCODE )
3841 {
3842 rc |= DLGC_WANTARROWS;
3843 }
3844 #endif
3845
3846 return rc;
3847 }
3848 #endif
3849
3850 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3851 {
3852 // We need to override OnSize so that our scrolled
3853 // window a) does call Layout() to use sizers for
3854 // positioning the controls but b) does not query
3855 // the sizer for their size and use that for setting
3856 // the scrollable area as set that ourselves by
3857 // calling SetScrollbar() further down.
3858
3859 Layout();
3860
3861 AdjustScrollbars();
3862 }
3863
3864 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3865 {
3866 if (!wxDataViewCtrlBase::AssociateModel( model ))
3867 return false;
3868
3869 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3870
3871 model->AddNotifier( m_notifier );
3872
3873 m_clientArea->DestroyTree();
3874
3875 m_clientArea->BuildTree(model);
3876
3877 m_clientArea->UpdateDisplay();
3878
3879 return true;
3880 }
3881
3882 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3883 {
3884 if (!wxDataViewCtrlBase::AppendColumn(col))
3885 return false;
3886
3887 m_cols.Append( col );
3888 OnColumnChange();
3889 return true;
3890 }
3891
3892 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3893 {
3894 if (!wxDataViewCtrlBase::PrependColumn(col))
3895 return false;
3896
3897 m_cols.Insert( col );
3898 OnColumnChange();
3899 return true;
3900 }
3901
3902 void wxDataViewCtrl::OnColumnChange()
3903 {
3904 if (m_headerArea)
3905 m_headerArea->UpdateDisplay();
3906
3907 m_clientArea->UpdateDisplay();
3908 }
3909
3910 void wxDataViewCtrl::DoSetExpanderColumn()
3911 {
3912 m_clientArea->UpdateDisplay();
3913 }
3914
3915 void wxDataViewCtrl::DoSetIndent()
3916 {
3917 m_clientArea->UpdateDisplay();
3918 }
3919
3920 unsigned int wxDataViewCtrl::GetColumnCount() const
3921 {
3922 return m_cols.GetCount();
3923 }
3924
3925 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
3926 {
3927 wxDataViewColumnList::const_iterator iter;
3928 unsigned int i = 0;
3929 for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3930 {
3931 if (i == pos)
3932 return *iter;
3933
3934 if ((*iter)->IsHidden())
3935 continue;
3936 i ++;
3937 }
3938 return NULL;
3939 }
3940
3941 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3942 {
3943 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3944 if (!ret)
3945 return false;
3946
3947 m_cols.Erase(ret);
3948 delete column;
3949 OnColumnChange();
3950
3951 return true;
3952 }
3953
3954 bool wxDataViewCtrl::ClearColumns()
3955 {
3956 m_cols.clear();
3957 OnColumnChange();
3958 return true;
3959 }
3960
3961 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
3962 {
3963 int ret = 0, dead = 0;
3964 int len = GetColumnCount();
3965 for (int i=0; i<len; i++)
3966 {
3967 wxDataViewColumn * col = GetColumn(i);
3968 if (col->IsHidden())
3969 continue;
3970 ret += col->GetWidth();
3971 if (column==col)
3972 {
3973 CalcScrolledPosition( ret, dead, &ret, &dead );
3974 break;
3975 }
3976 }
3977 return ret;
3978 }
3979
3980 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
3981 {
3982 return NULL;
3983 }
3984
3985 //Selection code with wxDataViewItem as parameters
3986 wxDataViewItem wxDataViewCtrl::GetSelection() const
3987 {
3988 return m_clientArea->GetSelection();
3989 }
3990
3991 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
3992 {
3993 sel.Empty();
3994 wxDataViewSelection selection = m_clientArea->GetSelections();
3995 int len = selection.GetCount();
3996 for( int i = 0; i < len; i ++)
3997 {
3998 unsigned int row = selection[i];
3999 sel.Add( m_clientArea->GetItemByRow( row ) );
4000 }
4001 return len;
4002 }
4003
4004 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4005 {
4006 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4007 int len = sel.GetCount();
4008 for( int i = 0; i < len; i ++ )
4009 {
4010 int row = m_clientArea->GetRowByItem( sel[i] );
4011 if( row >= 0 )
4012 selection.Add( static_cast<unsigned int>(row) );
4013 }
4014 m_clientArea->SetSelections( selection );
4015 }
4016
4017 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4018 {
4019 int row = m_clientArea->GetRowByItem( item );
4020 if( row >= 0 )
4021 {
4022 //Unselect all rows before select another in the single select mode
4023 if (m_clientArea->IsSingleSel())
4024 m_clientArea->SelectAllRows(false);
4025 m_clientArea->SelectRow(row, true);
4026 }
4027 }
4028
4029 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4030 {
4031 int row = m_clientArea->GetRowByItem( item );
4032 if( row >= 0 )
4033 m_clientArea->SelectRow(row, false);
4034 }
4035
4036 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4037 {
4038 int row = m_clientArea->GetRowByItem( item );
4039 if( row >= 0 )
4040 {
4041 return m_clientArea->IsRowSelected(row);
4042 }
4043 return false;
4044 }
4045
4046 //Selection code with row number as parameter
4047 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4048 {
4049 sel.Empty();
4050 wxDataViewSelection selection = m_clientArea->GetSelections();
4051 int len = selection.GetCount();
4052 for( int i = 0; i < len; i ++)
4053 {
4054 unsigned int row = selection[i];
4055 sel.Add( row );
4056 }
4057 return len;
4058 }
4059
4060 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4061 {
4062 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4063 int len = sel.GetCount();
4064 for( int i = 0; i < len; i ++ )
4065 {
4066 int row = sel[i];
4067 if( row >= 0 )
4068 selection.Add( static_cast<unsigned int>(row) );
4069 }
4070 m_clientArea->SetSelections( selection );
4071 }
4072
4073 void wxDataViewCtrl::Select( int row )
4074 {
4075 if( row >= 0 )
4076 {
4077 if (m_clientArea->IsSingleSel())
4078 m_clientArea->SelectAllRows(false);
4079 m_clientArea->SelectRow( row, true );
4080 }
4081 }
4082
4083 void wxDataViewCtrl::Unselect( int row )
4084 {
4085 if( row >= 0 )
4086 m_clientArea->SelectRow(row, false);
4087 }
4088
4089 bool wxDataViewCtrl::IsSelected( int row ) const
4090 {
4091 if( row >= 0 )
4092 return m_clientArea->IsRowSelected(row);
4093 return false;
4094 }
4095
4096 void wxDataViewCtrl::SelectRange( int from, int to )
4097 {
4098 wxArrayInt sel;
4099 for( int i = from; i < to; i ++ )
4100 sel.Add( i );
4101 m_clientArea->Select(sel);
4102 }
4103
4104 void wxDataViewCtrl::UnselectRange( int from, int to )
4105 {
4106 wxDataViewSelection sel = m_clientArea->GetSelections();
4107 for( int i = from; i < to; i ++ )
4108 if( sel.Index( i ) != wxNOT_FOUND )
4109 sel.Remove( i );
4110 m_clientArea->SetSelections(sel);
4111 }
4112
4113 void wxDataViewCtrl::SelectAll()
4114 {
4115 m_clientArea->SelectAllRows(true);
4116 }
4117
4118 void wxDataViewCtrl::UnselectAll()
4119 {
4120 m_clientArea->SelectAllRows(false);
4121 }
4122
4123 void wxDataViewCtrl::EnsureVisible( int row, int column )
4124 {
4125 if( row < 0 )
4126 row = 0;
4127 if( row > (int) m_clientArea->GetRowCount() )
4128 row = m_clientArea->GetRowCount();
4129
4130 int first = m_clientArea->GetFirstVisibleRow();
4131 int last = m_clientArea->GetLastVisibleRow();
4132 if( row < first )
4133 m_clientArea->ScrollTo( row, column );
4134 else if( row > last )
4135 m_clientArea->ScrollTo( row - last + first, column );
4136 else
4137 m_clientArea->ScrollTo( first, column );
4138 }
4139
4140 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4141 {
4142 int row = m_clientArea->GetRowByItem(item);
4143 if( row >= 0 )
4144 {
4145 if( column == NULL )
4146 EnsureVisible(row, -1);
4147 else
4148 {
4149 int col = 0;
4150 int len = GetColumnCount();
4151 for( int i = 0; i < len; i ++ )
4152 if( GetColumn(i) == column )
4153 {
4154 col = i;
4155 break;
4156 }
4157 EnsureVisible( row, col );
4158 }
4159 }
4160
4161 }
4162
4163 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4164 {
4165 m_clientArea->HitTest(point, item, column);
4166 }
4167
4168 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4169 {
4170 return m_clientArea->GetItemRect(item, column);
4171 }
4172
4173 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4174 {
4175 return m_clientArea->GetItemByRow( row );
4176 }
4177
4178 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4179 {
4180 return m_clientArea->GetRowByItem( item );
4181 }
4182
4183 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4184 {
4185 int row = m_clientArea->GetRowByItem( item );
4186 if (row != -1)
4187 m_clientArea->Expand(row);
4188 }
4189
4190 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4191 {
4192 int row = m_clientArea->GetRowByItem( item );
4193 if (row != -1)
4194 m_clientArea->Collapse(row);
4195 }
4196
4197 #endif
4198 // !wxUSE_GENERICDATAVIEWCTRL
4199
4200 #endif
4201 // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)