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Probable fix for [ 1933745 ] Crash in wxDataViewHeaderWindowBase::GetColumn()
[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 // on wxMSW the header window (only that part however) can be made native!
67 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
68 #define USE_NATIVE_HEADER_WINDOW
69 #endif
70
71 //Below is the compare stuff
72 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
73 static wxDataViewModel * g_model;
74 static int g_column = -2;
75 static bool g_asending = true;
76
77 // NB: for some reason, this class must be dllexport'ed or we get warnings from
78 // MSVC in DLL build
79 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
80 {
81 public:
82 wxDataViewHeaderWindowBase()
83 { m_owner = NULL; }
84
85 bool Create(wxDataViewCtrl *parent, wxWindowID id,
86 const wxPoint &pos, const wxSize &size,
87 const wxString &name)
88 {
89 return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
90 }
91
92 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
93 wxDataViewCtrl *GetOwner() { return m_owner; }
94
95 // called on column addition/removal
96 virtual void UpdateDisplay() { /* by default, do nothing */ }
97
98 // returns the n-th column
99 virtual wxDataViewColumn *GetColumn(unsigned int n)
100 {
101 wxASSERT(m_owner);
102 wxDataViewColumn *ret = m_owner->GetColumn(n);
103 wxASSERT(ret);
104
105 return ret;
106 }
107
108 protected:
109 wxDataViewCtrl *m_owner;
110
111 // sends an event generated from the n-th wxDataViewColumn
112 void SendEvent(wxEventType type, unsigned int n);
113 };
114
115 #ifdef USE_NATIVE_HEADER_WINDOW
116
117 #define COLUMN_WIDTH_OFFSET 2
118 #define wxDataViewHeaderWindowMSW wxDataViewHeaderWindow
119
120 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
121 {
122 public:
123
124 wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
125 wxWindowID id,
126 const wxPoint &pos = wxDefaultPosition,
127 const wxSize &size = wxDefaultSize,
128 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
129 {
130 Create(parent, id, pos, size, name);
131 }
132
133 bool Create(wxDataViewCtrl *parent, wxWindowID id,
134 const wxPoint &pos, const wxSize &size,
135 const wxString &name);
136
137 ~wxDataViewHeaderWindowMSW();
138
139 // called when any column setting is changed and/or changed
140 // the column count
141 virtual void UpdateDisplay();
142
143 virtual void OnInternalIdle();
144
145 // called Refresh afterwards
146 virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
147
148 virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
149
150 protected:
151 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
152
153 virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
154
155 wxSize DoGetBestSize() const;
156
157 unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
158
159 wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
160 { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
161
162 int m_scrollOffsetX;
163 int m_buttonHeight;
164 bool m_delayedUpdate;
165
166 private:
167 DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
168 };
169
170 #else // !defined(__WXMSW__)
171
172 #define HEADER_WINDOW_HEIGHT 25
173 #define HEADER_HORIZ_BORDER 5
174 #define HEADER_VERT_BORDER 3
175 #define wxGenericDataViewHeaderWindow wxDataViewHeaderWindow
176
177 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
178 {
179 public:
180 wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
181 wxWindowID id,
182 const wxPoint &pos = wxDefaultPosition,
183 const wxSize &size = wxDefaultSize,
184 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
185 {
186 Init();
187 Create(parent, id, pos, size, name);
188 }
189
190 bool Create(wxDataViewCtrl *parent, wxWindowID id,
191 const wxPoint &pos, const wxSize &size,
192 const wxString &name);
193
194 ~wxGenericDataViewHeaderWindow()
195 {
196 delete m_resizeCursor;
197 }
198
199 virtual void UpdateDisplay() { Refresh(); }
200
201 // event handlers:
202
203 void OnPaint( wxPaintEvent &event );
204 void OnMouse( wxMouseEvent &event );
205 void OnSetFocus( wxFocusEvent &event );
206
207
208 protected:
209
210 // vars used for column resizing:
211
212 wxCursor *m_resizeCursor;
213 const wxCursor *m_currentCursor;
214 bool m_isDragging;
215
216 bool m_dirty; // needs refresh?
217 int m_hover; // index of the column under the mouse
218 int m_column; // index of the column being resized
219 int m_currentX; // divider line position in logical (unscrolled) coords
220 int m_minX; // minimal position beyond which the divider line
221 // can't be dragged in logical coords
222
223 // the pen used to draw the current column width drag line
224 // when resizing the columsn
225 wxPen m_penCurrent;
226
227
228 // internal utilities:
229
230 void Init()
231 {
232 m_currentCursor = (wxCursor *) NULL;
233 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
234
235 m_isDragging = false;
236 m_dirty = false;
237
238 m_hover = wxNOT_FOUND;
239 m_column = wxNOT_FOUND;
240 m_currentX = 0;
241 m_minX = 0;
242
243 wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
244 m_penCurrent = wxPen(col, 1, wxSOLID);
245 }
246
247 void AdjustDC(wxDC& dc);
248
249 private:
250 DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
251 DECLARE_EVENT_TABLE()
252 };
253
254 #endif // defined(__WXMSW__)
255
256 //-----------------------------------------------------------------------------
257 // wxDataViewRenameTimer
258 //-----------------------------------------------------------------------------
259
260 class wxDataViewRenameTimer: public wxTimer
261 {
262 private:
263 wxDataViewMainWindow *m_owner;
264
265 public:
266 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
267 void Notify();
268 };
269
270 //-----------------------------------------------------------------------------
271 // wxDataViewTreeNode
272 //-----------------------------------------------------------------------------
273 class wxDataViewTreeNode;
274 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
275 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
276
277 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
278 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
279
280 class wxDataViewTreeNode
281 {
282 public:
283 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
284 {
285 m_parent = parent;
286 if (!parent)
287 m_open = true;
288 else
289 m_open = false;
290 m_hasChildren = false;
291 m_subTreeCount = 0;
292 }
293
294 ~wxDataViewTreeNode()
295 {
296 }
297
298 wxDataViewTreeNode * GetParent() { return m_parent; }
299 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
300 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
301 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
302
303 void AddNode( wxDataViewTreeNode * node )
304 {
305 m_leaves.Add( node->GetItem().GetID() );
306 if (g_column >= -1)
307 m_leaves.Sort( &wxGenericTreeModelItemCmp );
308 m_nodes.Add( node );
309 if (g_column >= -1)
310 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
311 }
312 void AddLeaf( void * leaf )
313 {
314 m_leaves.Add( leaf );
315 if (g_column >= -1)
316 m_leaves.Sort( &wxGenericTreeModelItemCmp );
317 }
318
319 wxDataViewItem & GetItem() { return m_item; }
320 void SetItem( const wxDataViewItem & item ) { m_item = item; }
321
322 unsigned int GetChildrenNumber() { return m_leaves.GetCount(); }
323 unsigned int GetNodeNumber() { return m_nodes.GetCount(); }
324 int GetIndentLevel()
325 {
326 int ret = 0 ;
327 wxDataViewTreeNode * node = this;
328 while( node->GetParent()->GetParent() != NULL )
329 {
330 node = node->GetParent();
331 ret ++;
332 }
333 return ret;
334 }
335
336 bool IsOpen()
337 {
338 return m_open ;
339 }
340
341 void ToggleOpen()
342 {
343 int len = m_nodes.GetCount();
344 int sum = 0;
345 for ( int i = 0 ;i < len ; i ++)
346 sum += m_nodes[i]->GetSubTreeCount();
347
348 sum += m_leaves.GetCount();
349 if (m_open)
350 {
351 ChangeSubTreeCount(-sum);
352 m_open = !m_open;
353 }
354 else
355 {
356 m_open = !m_open;
357 ChangeSubTreeCount(sum);
358 }
359 }
360 bool HasChildren() { return m_hasChildren; }
361 void SetHasChildren( bool has ){ m_hasChildren = has; }
362
363 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
364 int GetSubTreeCount() { return m_subTreeCount; }
365 void ChangeSubTreeCount( int num )
366 {
367 if( !m_open )
368 return ;
369 m_subTreeCount += num;
370 if( m_parent )
371 m_parent->ChangeSubTreeCount(num);
372 }
373
374 void Resort()
375 {
376 if (g_column >= -1)
377 {
378 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
379 int len = m_nodes.GetCount();
380 for (int i = 0; i < len; i ++)
381 m_nodes[i]->Resort();
382 m_leaves.Sort( &wxGenericTreeModelItemCmp );
383 }
384 }
385
386 private:
387 wxDataViewTreeNode *m_parent;
388 wxDataViewTreeNodes m_nodes;
389 wxDataViewTreeLeaves m_leaves;
390 wxDataViewItem m_item;
391 bool m_open;
392 bool m_hasChildren;
393 int m_subTreeCount;
394 };
395
396 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
397 {
398 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
399 }
400
401 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
402 {
403 return g_model->Compare( *id1, *id2, g_column, g_asending );
404 }
405
406
407
408 //-----------------------------------------------------------------------------
409 // wxDataViewMainWindow
410 //-----------------------------------------------------------------------------
411
412 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
413 WXDLLIMPEXP_ADV);
414 WX_DECLARE_LIST(wxDataViewItem, ItemList);
415 WX_DEFINE_LIST(ItemList)
416
417 class wxDataViewMainWindow: public wxWindow
418 {
419 public:
420 wxDataViewMainWindow( wxDataViewCtrl *parent,
421 wxWindowID id,
422 const wxPoint &pos = wxDefaultPosition,
423 const wxSize &size = wxDefaultSize,
424 const wxString &name = wxT("wxdataviewctrlmainwindow") );
425 virtual ~wxDataViewMainWindow();
426
427 // notifications from wxDataViewModel
428 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
429 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
430 bool ItemChanged( const wxDataViewItem &item );
431 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
432 bool Cleared();
433 void Resort()
434 {
435 if (m_root)
436 {
437 SortPrepare();
438 m_root->Resort();
439 }
440 UpdateDisplay();
441 }
442
443 void SortPrepare()
444 {
445 g_model = GetOwner()->GetModel();
446 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
447 if( !col )
448 {
449 if (g_model->HasDefaultCompare())
450 g_column = -1;
451 else
452 g_column = -2;
453
454 g_asending = true;
455 return;
456 }
457 g_column = col->GetModelColumn();
458 g_asending = col->IsSortOrderAscending();
459 }
460
461 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
462 wxDataViewCtrl *GetOwner() { return m_owner; }
463 const wxDataViewCtrl *GetOwner() const { return m_owner; }
464
465 void OnPaint( wxPaintEvent &event );
466 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
467 void OnChar( wxKeyEvent &event );
468 void OnMouse( wxMouseEvent &event );
469 void OnSetFocus( wxFocusEvent &event );
470 void OnKillFocus( wxFocusEvent &event );
471
472 void UpdateDisplay();
473 void RecalculateDisplay();
474 void OnInternalIdle();
475
476 void OnRenameTimer();
477
478 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
479 void ScrollTo( int rows, int column );
480
481 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
482 void ChangeCurrentRow( unsigned int row );
483
484 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
485 bool IsEmpty() { return GetRowCount() == 0; }
486
487 int GetCountPerPage() const;
488 int GetEndOfLastCol() const;
489 unsigned int GetFirstVisibleRow() const;
490 //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
491 unsigned int GetLastVisibleRow();
492 unsigned int GetRowCount() ;
493
494 wxDataViewItem GetSelection() const;
495 wxDataViewSelection GetSelections(){ return m_selection; }
496 void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
497 void Select( const wxArrayInt& aSelections );
498 void SelectAllRows( bool on );
499 void SelectRow( unsigned int row, bool on );
500 void SelectRows( unsigned int from, unsigned int to, bool on );
501 void ReverseRowSelection( unsigned int row );
502 bool IsRowSelected( unsigned int row );
503 void SendSelectionChangedEvent( const wxDataViewItem& item);
504
505 void RefreshRow( unsigned int row );
506 void RefreshRows( unsigned int from, unsigned int to );
507 void RefreshRowsAfter( unsigned int firstRow );
508
509 // returns the colour to be used for drawing the rules
510 wxColour GetRuleColour() const
511 {
512 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
513 }
514
515 wxRect GetLineRect( unsigned int row ) const;
516
517 //Some useful functions for row and item mapping
518 wxDataViewItem GetItemByRow( unsigned int row ) const;
519 int GetRowByItem( const wxDataViewItem & item );
520
521 //Methods for building the mapping tree
522 void BuildTree( wxDataViewModel * model );
523 void DestroyTree();
524 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
525 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
526
527 void Expand( unsigned int row ) { OnExpanding( row ); }
528 void Collapse( unsigned int row ) { OnCollapsing( row ); }
529 private:
530 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
531 //We did not need this temporarily
532 //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
533
534 int RecalculateCount() ;
535
536 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
537 void OnExpanding( unsigned int row );
538 void OnCollapsing( unsigned int row );
539
540 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
541
542 private:
543 wxDataViewCtrl *m_owner;
544 int m_lineHeight;
545 bool m_dirty;
546
547 wxDataViewColumn *m_currentCol;
548 unsigned int m_currentRow;
549 wxDataViewSelection m_selection;
550
551 wxDataViewRenameTimer *m_renameTimer;
552 bool m_lastOnSame;
553
554 bool m_hasFocus;
555
556 int m_dragCount;
557 wxPoint m_dragStart;
558
559 // for double click logic
560 unsigned int m_lineLastClicked,
561 m_lineBeforeLastClicked,
562 m_lineSelectSingleOnUp;
563
564 // the pen used to draw horiz/vertical rules
565 wxPen m_penRule;
566
567 // the pen used to draw the expander and the lines
568 wxPen m_penExpander;
569
570 //This is the tree structure of the model
571 wxDataViewTreeNode * m_root;
572 int m_count;
573 //This is the tree node under the cursor
574 wxDataViewTreeNode * m_underMouse;
575 private:
576 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
577 DECLARE_EVENT_TABLE()
578 };
579
580 // ---------------------------------------------------------
581 // wxGenericDataViewModelNotifier
582 // ---------------------------------------------------------
583
584 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
585 {
586 public:
587 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
588 { m_mainWindow = mainWindow; }
589
590 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
591 { return m_mainWindow->ItemAdded( parent , item ); }
592 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
593 { return m_mainWindow->ItemDeleted( parent, item ); }
594 virtual bool ItemChanged( const wxDataViewItem & item )
595 { return m_mainWindow->ItemChanged(item); }
596 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
597 { return m_mainWindow->ValueChanged( item, col ); }
598 virtual bool Cleared()
599 { return m_mainWindow->Cleared(); }
600 virtual void Resort()
601 { m_mainWindow->Resort(); }
602
603 wxDataViewMainWindow *m_mainWindow;
604 };
605
606 // ---------------------------------------------------------
607 // wxDataViewRenderer
608 // ---------------------------------------------------------
609
610 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
611
612 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
613 wxDataViewCellMode mode,
614 int align) :
615 wxDataViewRendererBase( varianttype, mode, align )
616 {
617 m_dc = NULL;
618 m_align = align;
619 m_mode = mode;
620 m_wantsAttr = false;
621 m_hasAttr = false;
622 }
623
624 wxDataViewRenderer::~wxDataViewRenderer()
625 {
626 if (m_dc)
627 delete m_dc;
628 }
629
630 wxDC *wxDataViewRenderer::GetDC()
631 {
632 if (m_dc == NULL)
633 {
634 if (GetOwner() == NULL)
635 return NULL;
636 if (GetOwner()->GetOwner() == NULL)
637 return NULL;
638 m_dc = new wxClientDC( GetOwner()->GetOwner() );
639 }
640
641 return m_dc;
642 }
643
644 // ---------------------------------------------------------
645 // wxDataViewCustomRenderer
646 // ---------------------------------------------------------
647
648 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
649
650 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
651 wxDataViewCellMode mode, int align ) :
652 wxDataViewRenderer( varianttype, mode, align )
653 {
654 }
655
656 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
657 {
658 wxDataViewCtrl *view = GetOwner()->GetOwner();
659 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
660 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
661 view->GetForegroundColour();
662 dc->SetTextForeground(col);
663 dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
664 }
665
666 // ---------------------------------------------------------
667 // wxDataViewTextRenderer
668 // ---------------------------------------------------------
669
670 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
671
672 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
673 wxDataViewCellMode mode, int align ) :
674 wxDataViewCustomRenderer( varianttype, mode, align )
675 {
676 }
677
678 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
679 {
680 m_text = value.GetString();
681
682 return true;
683 }
684
685 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
686 {
687 return false;
688 }
689
690 bool wxDataViewTextRenderer::HasEditorCtrl()
691 {
692 return true;
693 }
694
695 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
696 wxRect labelRect, const wxVariant &value )
697 {
698 return new wxTextCtrl( parent, wxID_ANY, value,
699 wxPoint(labelRect.x,labelRect.y),
700 wxSize(labelRect.width,labelRect.height) );
701 }
702
703 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
704 {
705 wxTextCtrl *text = (wxTextCtrl*) editor;
706 value = text->GetValue();
707 return true;
708 }
709
710 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
711 {
712 RenderText( m_text, 0, cell, dc, state );
713 return true;
714 }
715
716 wxSize wxDataViewTextRenderer::GetSize() const
717 {
718 const wxDataViewCtrl *view = GetView();
719 if (!m_text.empty())
720 {
721 int x,y;
722 view->GetTextExtent( m_text, &x, &y );
723 return wxSize( x, y );
724 }
725 return wxSize(80,20);
726 }
727
728 // ---------------------------------------------------------
729 // wxDataViewTextRendererAttr
730 // ---------------------------------------------------------
731
732 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
733
734 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
735 wxDataViewCellMode mode, int align ) :
736 wxDataViewTextRenderer( varianttype, mode, align )
737 {
738 m_wantsAttr = true;
739 }
740
741 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
742 {
743 wxFont font;
744 wxColour colour;
745
746 if (m_hasAttr)
747 {
748 if (m_attr.HasColour())
749 {
750 colour = dc->GetTextForeground();
751 dc->SetTextForeground( m_attr.GetColour() );
752 }
753
754 if (m_attr.GetBold() || m_attr.GetItalic())
755 {
756 font = dc->GetFont();
757 wxFont myfont = font;
758 if (m_attr.GetBold())
759 myfont.SetWeight( wxFONTWEIGHT_BOLD );
760 if (m_attr.GetItalic())
761 myfont.SetStyle( wxFONTSTYLE_ITALIC );
762 dc->SetFont( myfont );
763 }
764 }
765
766 dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
767
768 // restore dc
769 if (m_hasAttr)
770 {
771 if (m_attr.HasColour())
772 dc->SetTextForeground( colour );
773
774 if (m_attr.GetBold() || m_attr.GetItalic())
775 dc->SetFont( font );
776 }
777
778 return true;
779 }
780
781
782 // ---------------------------------------------------------
783 // wxDataViewBitmapRenderer
784 // ---------------------------------------------------------
785
786 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
787
788 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
789 wxDataViewCellMode mode, int align ) :
790 wxDataViewCustomRenderer( varianttype, mode, align )
791 {
792 }
793
794 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
795 {
796 if (value.GetType() == wxT("wxBitmap"))
797 m_bitmap << value;
798 if (value.GetType() == wxT("wxIcon"))
799 m_icon << value;
800
801 return true;
802 }
803
804 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
805 {
806 return false;
807 }
808
809 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
810 {
811 if (m_bitmap.Ok())
812 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
813 else if (m_icon.Ok())
814 dc->DrawIcon( m_icon, cell.x, cell.y );
815
816 return true;
817 }
818
819 wxSize wxDataViewBitmapRenderer::GetSize() const
820 {
821 if (m_bitmap.Ok())
822 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
823 else if (m_icon.Ok())
824 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
825
826 return wxSize(16,16);
827 }
828
829 // ---------------------------------------------------------
830 // wxDataViewToggleRenderer
831 // ---------------------------------------------------------
832
833 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
834
835 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
836 wxDataViewCellMode mode, int align ) :
837 wxDataViewCustomRenderer( varianttype, mode, align )
838 {
839 m_toggle = false;
840 }
841
842 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
843 {
844 m_toggle = value.GetBool();
845
846 return true;
847 }
848
849 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
850 {
851 return false;
852 }
853
854 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
855 {
856 // User wxRenderer here
857
858 wxRect rect;
859 rect.x = cell.x + cell.width/2 - 10;
860 rect.width = 20;
861 rect.y = cell.y + cell.height/2 - 10;
862 rect.height = 20;
863
864 int flags = 0;
865 if (m_toggle)
866 flags |= wxCONTROL_CHECKED;
867 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
868 flags |= wxCONTROL_DISABLED;
869
870 wxRendererNative::Get().DrawCheckBox(
871 GetOwner()->GetOwner(),
872 *dc,
873 rect,
874 flags );
875
876 return true;
877 }
878
879 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
880 wxDataViewModel *model,
881 const wxDataViewItem & item, unsigned int col)
882 {
883 bool value = !m_toggle;
884 wxVariant variant = value;
885 model->SetValue( variant, item, col);
886 model->ValueChanged( item, col );
887 return true;
888 }
889
890 wxSize wxDataViewToggleRenderer::GetSize() const
891 {
892 return wxSize(20,20);
893 }
894
895 // ---------------------------------------------------------
896 // wxDataViewProgressRenderer
897 // ---------------------------------------------------------
898
899 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
900
901 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
902 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
903 wxDataViewCustomRenderer( varianttype, mode, align )
904 {
905 m_label = label;
906 m_value = 0;
907 }
908
909 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
910 {
911 }
912
913 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
914 {
915 m_value = (long) value;
916
917 if (m_value < 0) m_value = 0;
918 if (m_value > 100) m_value = 100;
919
920 return true;
921 }
922
923 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
924 {
925 value = (long) m_value;
926 return true;
927 }
928
929 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
930 {
931 double pct = (double)m_value / 100.0;
932 wxRect bar = cell;
933 bar.width = (int)(cell.width * pct);
934 dc->SetPen( *wxTRANSPARENT_PEN );
935 dc->SetBrush( *wxBLUE_BRUSH );
936 dc->DrawRectangle( bar );
937
938 dc->SetBrush( *wxTRANSPARENT_BRUSH );
939 dc->SetPen( *wxBLACK_PEN );
940 dc->DrawRectangle( cell );
941
942 return true;
943 }
944
945 wxSize wxDataViewProgressRenderer::GetSize() const
946 {
947 return wxSize(40,12);
948 }
949
950 // ---------------------------------------------------------
951 // wxDataViewDateRenderer
952 // ---------------------------------------------------------
953
954 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
955
956 #if wxUSE_DATE_RENDERER_POPUP
957
958 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
959 {
960 public:
961 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
962 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
963 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
964 m_item( item )
965 {
966 m_model = model;
967 m_col = col;
968 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
969 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
970 sizer->Add( m_cal, 1, wxGROW );
971 SetSizer( sizer );
972 sizer->Fit( this );
973 }
974
975 void OnCalendar( wxCalendarEvent &event );
976
977 wxCalendarCtrl *m_cal;
978 wxDataViewModel *m_model;
979 unsigned int m_col;
980 const wxDataViewItem & m_item;
981
982 protected:
983 virtual void OnDismiss()
984 {
985 }
986
987 private:
988 DECLARE_EVENT_TABLE()
989 };
990
991 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
992 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
993 END_EVENT_TABLE()
994
995 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
996 {
997 wxDateTime date = event.GetDate();
998 wxVariant value = date;
999 m_model->SetValue( value, m_item, m_col );
1000 m_model->ValueChanged( m_item, m_col );
1001 DismissAndNotify();
1002 }
1003
1004 #endif // wxUSE_DATE_RENDERER_POPUP
1005
1006 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1007
1008 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1009 wxDataViewCellMode mode, int align ) :
1010 wxDataViewCustomRenderer( varianttype, mode, align )
1011 {
1012 }
1013
1014 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1015 {
1016 m_date = value.GetDateTime();
1017
1018 return true;
1019 }
1020
1021 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1022 {
1023 value = m_date;
1024 return true;
1025 }
1026
1027 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1028 {
1029 wxString tmp = m_date.FormatDate();
1030 RenderText( tmp, 0, cell, dc, state );
1031 return true;
1032 }
1033
1034 wxSize wxDataViewDateRenderer::GetSize() const
1035 {
1036 const wxDataViewCtrl* view = GetView();
1037 wxString tmp = m_date.FormatDate();
1038 wxCoord x,y,d;
1039 view->GetTextExtent( tmp, &x, &y, &d );
1040 return wxSize(x,y+d);
1041 }
1042
1043 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1044 const wxDataViewItem & item, unsigned int col )
1045 {
1046 wxVariant variant;
1047 model->GetValue( variant, item, col );
1048 wxDateTime value = variant.GetDateTime();
1049
1050 #if wxUSE_DATE_RENDERER_POPUP
1051 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1052 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1053 wxPoint pos = wxGetMousePosition();
1054 popup->Move( pos );
1055 popup->Layout();
1056 popup->Popup( popup->m_cal );
1057 #else // !wxUSE_DATE_RENDERER_POPUP
1058 wxMessageBox(value.Format());
1059 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1060 return true;
1061 }
1062
1063 // ---------------------------------------------------------
1064 // wxDataViewIconTextRenderer
1065 // ---------------------------------------------------------
1066
1067 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1068
1069 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1070 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1071 wxDataViewCustomRenderer( varianttype, mode, align )
1072 {
1073 SetMode(mode);
1074 SetAlignment(align);
1075 }
1076
1077 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1078 {
1079 }
1080
1081 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1082 {
1083 m_value << value;
1084 return true;
1085 }
1086
1087 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1088 {
1089 return false;
1090 }
1091
1092 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1093 {
1094 int xoffset = 0;
1095 const wxIcon &icon = m_value.GetIcon();
1096 if (icon.IsOk())
1097 {
1098 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1099 xoffset = icon.GetWidth()+4;
1100 }
1101
1102 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1103
1104 return true;
1105 }
1106
1107 wxSize wxDataViewIconTextRenderer::GetSize() const
1108 {
1109 const wxDataViewCtrl *view = GetView();
1110 if (!m_value.GetText().empty())
1111 {
1112 int x,y;
1113 view->GetTextExtent( m_value.GetText(), &x, &y );
1114
1115 if (m_value.GetIcon().IsOk())
1116 x += m_value.GetIcon().GetWidth() + 4;
1117 return wxSize( x, y );
1118 }
1119 return wxSize(80,20);
1120 }
1121
1122 wxControl *
1123 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1124 wxRect WXUNUSED(labelRect),
1125 const wxVariant& WXUNUSED(value))
1126 {
1127 return NULL;
1128 }
1129
1130 bool
1131 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1132 wxVariant& WXUNUSED(value))
1133 {
1134 return false;
1135 }
1136
1137 // ---------------------------------------------------------
1138 // wxDataViewColumn
1139 // ---------------------------------------------------------
1140
1141 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
1142
1143 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
1144 unsigned int model_column,
1145 int width, wxAlignment align, int flags ) :
1146 wxDataViewColumnBase( title, cell, model_column, width, align, flags )
1147 {
1148 SetAlignment(align);
1149 SetTitle(title);
1150 SetFlags(flags);
1151
1152 m_autosize = width < 0; // TODO
1153
1154 Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
1155 }
1156
1157 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
1158 unsigned int model_column,
1159 int width, wxAlignment align, int flags ) :
1160 wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
1161 {
1162 SetAlignment(align);
1163 SetFlags(flags);
1164
1165 Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
1166 }
1167
1168 wxDataViewColumn::~wxDataViewColumn()
1169 {
1170 }
1171
1172 void wxDataViewColumn::Init( int width )
1173 {
1174 m_width = width;
1175 m_minWidth = wxDVC_DEFAULT_MINWIDTH;
1176 m_ascending = true;
1177 }
1178
1179 void wxDataViewColumn::SetResizeable( bool resizeable )
1180 {
1181 if (resizeable)
1182 m_flags |= wxDATAVIEW_COL_RESIZABLE;
1183 else
1184 m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
1185 }
1186
1187 void wxDataViewColumn::SetHidden( bool hidden )
1188 {
1189 if (hidden)
1190 m_flags |= wxDATAVIEW_COL_HIDDEN;
1191 else
1192 m_flags &= ~wxDATAVIEW_COL_HIDDEN;
1193
1194 // tell our owner to e.g. update its scrollbars:
1195 if (GetOwner())
1196 GetOwner()->OnColumnChange();
1197 }
1198
1199 void wxDataViewColumn::SetSortable( bool sortable )
1200 {
1201 if (sortable)
1202 m_flags |= wxDATAVIEW_COL_SORTABLE;
1203 else
1204 m_flags &= ~wxDATAVIEW_COL_SORTABLE;
1205
1206 // Update header button
1207 if (GetOwner())
1208 GetOwner()->OnColumnChange();
1209 }
1210
1211 void wxDataViewColumn::SetReorderable( bool reorderable )
1212 {
1213 if (reorderable)
1214 m_flags |= wxDATAVIEW_COL_REORDERABLE;
1215 else
1216 m_flags &= ~wxDATAVIEW_COL_REORDERABLE;
1217 }
1218
1219 void wxDataViewColumn::SetSortOrder( bool ascending )
1220 {
1221 m_ascending = ascending;
1222
1223 // Update header button
1224 if (GetOwner())
1225 GetOwner()->OnColumnChange();
1226 }
1227
1228 bool wxDataViewColumn::IsSortOrderAscending() const
1229 {
1230 return m_ascending;
1231 }
1232
1233 void wxDataViewColumn::SetInternalWidth( int width )
1234 {
1235 m_width = width;
1236
1237 // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1238 if (m_owner && m_owner->m_clientArea)
1239 m_owner->m_clientArea->RecalculateDisplay();
1240 }
1241
1242 void wxDataViewColumn::SetWidth( int width )
1243 {
1244 if (m_owner->m_headerArea) m_owner->m_headerArea->UpdateDisplay();
1245
1246 SetInternalWidth(width);
1247 }
1248
1249
1250 //-----------------------------------------------------------------------------
1251 // wxDataViewHeaderWindowBase
1252 //-----------------------------------------------------------------------------
1253
1254 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1255 {
1256 wxWindow *parent = GetParent();
1257 wxDataViewEvent le(type, parent->GetId());
1258
1259 le.SetEventObject(parent);
1260 le.SetColumn(n);
1261 le.SetDataViewColumn(GetColumn(n));
1262 le.SetModel(GetOwner()->GetModel());
1263
1264 // for events created by wxDataViewHeaderWindow the
1265 // row / value fields are not valid
1266
1267 parent->GetEventHandler()->ProcessEvent(le);
1268 }
1269
1270 #ifdef USE_NATIVE_HEADER_WINDOW
1271
1272 #ifndef HDS_DRAGDROP
1273 #define HDS_DRAGDROP 0x0040
1274 #endif
1275 #ifndef HDS_FULLDRAG
1276 #define HDS_FULLDRAG 0x0080
1277 #endif
1278
1279 // implemented in msw/listctrl.cpp:
1280 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1281
1282 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1283
1284 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1285 const wxPoint &pos, const wxSize &size,
1286 const wxString &name )
1287 {
1288 m_owner = parent;
1289
1290 m_scrollOffsetX = 0;
1291 m_delayedUpdate = false;
1292 m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this );
1293
1294 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1295 y = pos.y == wxDefaultCoord ? 0 : pos.y,
1296 w = size.x == wxDefaultCoord ? 1 : size.x,
1297 h = m_buttonHeight;
1298
1299 wxSize new_size(w,h);
1300
1301 if ( !CreateControl(parent, id, pos, new_size, 0, wxDefaultValidator, name) )
1302 return false;
1303
1304 // create the native WC_HEADER window:
1305 WXHWND hwndParent = (HWND)parent->GetHandle();
1306 WXDWORD msStyle = WS_CHILD | HDS_DRAGDROP | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1307
1308 if ( m_isShown )
1309 msStyle |= WS_VISIBLE;
1310
1311 m_hWnd = CreateWindowEx(0,
1312 WC_HEADER,
1313 (LPCTSTR) NULL,
1314 msStyle,
1315 x, y, w, h,
1316 (HWND)hwndParent,
1317 (HMENU)-1,
1318 wxGetInstance(),
1319 (LPVOID) NULL);
1320 if (m_hWnd == NULL)
1321 {
1322 wxLogLastError(_T("CreateWindowEx"));
1323 return false;
1324 }
1325
1326 // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1327 // to call wxDataViewHeaderWindow::MSWOnNotify
1328 SubclassWin(m_hWnd);
1329
1330 // the following is required to get the default win's font for
1331 // header windows and must be done befor sending the HDM_LAYOUT msg
1332 SetFont(GetFont());
1333
1334 return true;
1335 }
1336
1337 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1338 {
1339 UnsubclassWin();
1340 }
1341
1342 wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
1343 {
1344 return wxSize( 80, m_buttonHeight+2 );
1345 }
1346
1347 void wxDataViewHeaderWindowMSW::OnInternalIdle()
1348 {
1349 if (m_delayedUpdate)
1350 {
1351 m_delayedUpdate = false;
1352 UpdateDisplay();
1353 }
1354 }
1355
1356 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1357 {
1358 // remove old columns
1359 for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1360 Header_DeleteItem((HWND)m_hWnd, 0);
1361
1362 // add the updated array of columns to the header control
1363 unsigned int cols = GetOwner()->GetColumnCount();
1364 unsigned int added = 0;
1365 for (unsigned int i = 0; i < cols; i++)
1366 {
1367 wxDataViewColumn *col = GetColumn( i );
1368 if (col->IsHidden())
1369 continue; // don't add it!
1370
1371 HDITEM hdi;
1372 hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1373 hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1374 hdi.cxy = col->GetWidth();
1375 hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1376 hdi.fmt = HDF_LEFT | HDF_STRING;
1377 //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1378
1379 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1380 {
1381 //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1382 //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1383 // VZ: works with 5.81
1384 hdi.fmt |= col->IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
1385 }
1386
1387 // lParam is reserved for application's use:
1388 // we store there the column index to use it later in MSWOnNotify
1389 // (since columns may have been hidden)
1390 hdi.lParam = (LPARAM)i;
1391
1392 // the native wxMSW implementation of the header window
1393 // draws the column separator COLUMN_WIDTH_OFFSET pixels
1394 // on the right: to correct this effect we make the column
1395 // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1396 if (i == 0)
1397 hdi.cxy += COLUMN_WIDTH_OFFSET;
1398
1399 switch (col->GetAlignment())
1400 {
1401 case wxALIGN_LEFT:
1402 hdi.fmt |= HDF_LEFT;
1403 break;
1404 case wxALIGN_CENTER:
1405 case wxALIGN_CENTER_HORIZONTAL:
1406 hdi.fmt |= HDF_CENTER;
1407 break;
1408 case wxALIGN_RIGHT:
1409 hdi.fmt |= HDF_RIGHT;
1410 break;
1411
1412 default:
1413 // such alignment is not allowed for the column header!
1414 break; // wxFAIL;
1415 }
1416
1417 SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1418 (WPARAM)added, (LPARAM)&hdi);
1419 added++;
1420 }
1421 }
1422
1423 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1424 {
1425 unsigned int idx;
1426
1427 // NOTE: we don't just return nmHDR->iItem because when there are
1428 // hidden columns, nmHDR->iItem may be different from
1429 // nmHDR->pitem->lParam
1430
1431 if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1432 {
1433 idx = (unsigned int)nmHDR->pitem->lParam;
1434 return idx;
1435 }
1436
1437 HDITEM item;
1438 item.mask = HDI_LPARAM;
1439 Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1440
1441 return (unsigned int)item.lParam;
1442 }
1443
1444 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1445 {
1446 NMHDR *nmhdr = (NMHDR *)lParam;
1447
1448 // is it a message from the header?
1449 if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1450 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1451
1452 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1453 switch ( nmhdr->code )
1454 {
1455 case HDN_BEGINTRACK:
1456 // user has started to resize a column:
1457 // do we need to veto it?
1458 if (!GetColumn(nmHDR->iItem)->IsResizeable())
1459 {
1460 // veto it!
1461 *result = TRUE;
1462 }
1463 break;
1464
1465 case HDN_BEGINDRAG:
1466 // user has started to reorder a column
1467 if ((nmHDR->iItem != -1) && (!GetColumn(nmHDR->iItem)->IsReorderable()))
1468 {
1469 // veto it!
1470 *result = TRUE;
1471 }
1472 break;
1473
1474 case HDN_ENDDRAG: // user has finished reordering a column
1475 {
1476 wxDataViewColumn *col = GetColumn(nmHDR->iItem);
1477 unsigned int new_pos = nmHDR->pitem->iOrder;
1478 m_owner->ColumnMoved( col, new_pos );
1479 m_delayedUpdate = true;
1480 }
1481 break;
1482
1483 case HDN_ITEMCHANGING:
1484 if (nmHDR->pitem != NULL &&
1485 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1486 {
1487 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1488 if (nmHDR->pitem->cxy < minWidth)
1489 {
1490 // do not allow the user to resize this column under
1491 // its minimal width:
1492 *result = TRUE;
1493 }
1494 }
1495 break;
1496
1497 case HDN_ITEMCHANGED: // user is resizing a column
1498 case HDN_ENDTRACK: // user has finished resizing a column
1499
1500 // update the width of the modified column:
1501 if (nmHDR->pitem != NULL &&
1502 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1503 {
1504 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1505 unsigned int w = nmHDR->pitem->cxy;
1506 wxDataViewColumn *col = GetColumn(idx);
1507
1508 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1509 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1510 w -= COLUMN_WIDTH_OFFSET;
1511
1512 if (w >= (unsigned)col->GetMinWidth())
1513 col->SetInternalWidth(w);
1514 }
1515 break;
1516
1517 case HDN_ITEMCLICK:
1518 {
1519 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1520 wxDataViewModel * model = GetOwner()->GetModel();
1521
1522 if(nmHDR->iButton == 0)
1523 {
1524 wxDataViewColumn *col = GetColumn(idx);
1525 if(col->IsSortable())
1526 {
1527 if(model && m_owner->GetSortingColumn() == col)
1528 {
1529 bool order = col->IsSortOrderAscending();
1530 col->SetSortOrder(!order);
1531 }
1532 else if(model)
1533 {
1534 m_owner->SetSortingColumn(col);
1535 }
1536 }
1537 UpdateDisplay();
1538 if(model)
1539 model->Resort();
1540 }
1541
1542 wxEventType evt = nmHDR->iButton == 0 ?
1543 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1544 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1545 SendEvent(evt, idx);
1546 }
1547 break;
1548
1549 case NM_RCLICK:
1550 {
1551 // NOTE: for some reason (i.e. for a bug in Windows)
1552 // the HDN_ITEMCLICK notification is not sent on
1553 // right clicks, so we need to handle NM_RCLICK
1554
1555 POINT ptClick;
1556 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1557 if (column != wxNOT_FOUND)
1558 {
1559 HDITEM item;
1560 item.mask = HDI_LPARAM;
1561 Header_GetItem((HWND)m_hWnd, column, &item);
1562
1563 // 'idx' may be different from 'column' if there are
1564 // hidden columns...
1565 unsigned int idx = (unsigned int)item.lParam;
1566 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1567 idx);
1568 }
1569 }
1570 break;
1571
1572 case HDN_GETDISPINFOW:
1573 // see wxListCtrl::MSWOnNotify for more info!
1574 break;
1575
1576 case HDN_ITEMDBLCLICK:
1577 {
1578 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1579 int w = GetOwner()->GetBestColumnWidth(idx);
1580
1581 // update the native control:
1582 HDITEM hd;
1583 ZeroMemory(&hd, sizeof(hd));
1584 hd.mask = HDI_WIDTH;
1585 hd.cxy = w;
1586 Header_SetItem(GetHwnd(),
1587 nmHDR->iItem, // NOTE: we don't want 'idx' here!
1588 &hd);
1589
1590 // update the wxDataViewColumn class:
1591 GetColumn(idx)->SetInternalWidth(w);
1592 }
1593 break;
1594
1595 default:
1596 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1597 }
1598
1599 return true;
1600 }
1601
1602 void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy),
1603 const wxRect * WXUNUSED(rect))
1604 {
1605 m_scrollOffsetX += dx;
1606
1607 GetParent()->Layout();
1608 }
1609
1610 void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
1611 int w, int h,
1612 int f)
1613 {
1614 // TODO: why is there a border + 2px around it?
1615 wxControl::DoSetSize( x+m_scrollOffsetX+1, y+1, w-m_scrollOffsetX-2, h-2, f );
1616 }
1617
1618 #else // !defined(__WXMSW__)
1619
1620 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1621 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1622 EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
1623 EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
1624 EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
1625 END_EVENT_TABLE()
1626
1627 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1628 const wxPoint &pos, const wxSize &size,
1629 const wxString &name )
1630 {
1631 m_owner = parent;
1632
1633 if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1634 return false;
1635
1636 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1637 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1638 SetOwnForegroundColour( attr.colFg );
1639 SetOwnBackgroundColour( attr.colBg );
1640 if (!m_hasFont)
1641 SetOwnFont( attr.font );
1642
1643 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1644 // a wxBoxSizer and in order to avoid super-big header windows,
1645 // we need to set our height as fixed
1646 SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1647 SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1648
1649 return true;
1650 }
1651
1652 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1653 {
1654 int w, h;
1655 GetClientSize( &w, &h );
1656
1657 wxAutoBufferedPaintDC dc( this );
1658
1659 dc.SetBackground(GetBackgroundColour());
1660 dc.Clear();
1661
1662 int xpix;
1663 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1664
1665 int x;
1666 m_owner->GetViewStart( &x, NULL );
1667
1668 // account for the horz scrollbar offset
1669 dc.SetDeviceOrigin( -x * xpix, 0 );
1670
1671 dc.SetFont( GetFont() );
1672
1673 unsigned int cols = GetOwner()->GetColumnCount();
1674 unsigned int i;
1675 int xpos = 0;
1676 for (i = 0; i < cols; i++)
1677 {
1678 wxDataViewColumn *col = GetColumn( i );
1679 if (col->IsHidden())
1680 continue; // skip it!
1681
1682 int cw = col->GetWidth();
1683 int ch = h;
1684
1685 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1686 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1687 {
1688 if (col->IsSortOrderAscending())
1689 sortArrow = wxHDR_SORT_ICON_UP;
1690 else
1691 sortArrow = wxHDR_SORT_ICON_DOWN;
1692 }
1693
1694 int state = 0;
1695 if (m_parent->IsEnabled())
1696 {
1697 if ((int) i == m_hover)
1698 state = wxCONTROL_CURRENT;
1699 }
1700 else
1701 {
1702 state = (int) wxCONTROL_DISABLED;
1703 }
1704
1705 wxRendererNative::Get().DrawHeaderButton
1706 (
1707 this,
1708 dc,
1709 wxRect(xpos, 0, cw, ch-1),
1710 state,
1711 sortArrow
1712 );
1713
1714 // align as required the column title:
1715 int x = xpos;
1716 wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1717 switch (col->GetAlignment())
1718 {
1719 case wxALIGN_LEFT:
1720 x += HEADER_HORIZ_BORDER;
1721 break;
1722 case wxALIGN_RIGHT:
1723 x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1724 break;
1725 default:
1726 case wxALIGN_CENTER:
1727 case wxALIGN_CENTER_HORIZONTAL:
1728 x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1729 break;
1730 }
1731
1732 // always center the title vertically:
1733 int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1734
1735 dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1736 HEADER_VERT_BORDER,
1737 wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
1738 wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
1739 dc.DrawText( col->GetTitle(), x, y );
1740 dc.DestroyClippingRegion();
1741
1742 xpos += cw;
1743 }
1744 }
1745
1746 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1747 {
1748 GetParent()->SetFocus();
1749 event.Skip();
1750 }
1751
1752 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1753 {
1754 // we want to work with logical coords
1755 int x;
1756 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1757 int y = event.GetY();
1758
1759 if (m_isDragging)
1760 {
1761 // we don't draw the line beyond our window,
1762 // but we allow dragging it there
1763 int w = 0;
1764 GetClientSize( &w, NULL );
1765 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1766 w -= 6;
1767
1768 if (event.ButtonUp())
1769 {
1770 m_isDragging = false;
1771 if (HasCapture())
1772 ReleaseMouse();
1773
1774 m_dirty = true;
1775 }
1776 m_currentX = wxMax(m_minX + 7, x);
1777
1778 if (m_currentX < w)
1779 {
1780 GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1781 Refresh();
1782 GetOwner()->Refresh();
1783 }
1784
1785 }
1786 else // not dragging
1787 {
1788 m_minX = 0;
1789 m_column = wxNOT_FOUND;
1790
1791 bool hit_border = false;
1792
1793 // end of the current column
1794 int xpos = 0;
1795
1796 // find the column where this event occured
1797 int countCol = m_owner->GetColumnCount();
1798 for (int column = 0; column < countCol; column++)
1799 {
1800 wxDataViewColumn *p = GetColumn(column);
1801
1802 if (p->IsHidden())
1803 continue; // skip if not shown
1804
1805 xpos += p->GetWidth();
1806 m_column = column;
1807 if ((abs(x-xpos) < 3) && (y < 22))
1808 {
1809 hit_border = true;
1810 break;
1811 }
1812
1813 if (x < xpos)
1814 {
1815 // inside the column
1816 break;
1817 }
1818
1819 m_minX = xpos;
1820 }
1821
1822 int old_hover = m_hover;
1823 m_hover = m_column;
1824 if (event.Leaving())
1825 m_hover = wxNOT_FOUND;
1826 if (old_hover != m_hover)
1827 Refresh();
1828
1829 if (m_column == wxNOT_FOUND)
1830 return;
1831
1832 bool resizeable = GetColumn(m_column)->IsResizeable();
1833 if (event.LeftDClick() && resizeable)
1834 {
1835 GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1836 Refresh();
1837 }
1838 else if (event.LeftDown() || event.RightUp())
1839 {
1840 if (hit_border && event.LeftDown() && resizeable)
1841 {
1842 m_isDragging = true;
1843 CaptureMouse();
1844 m_currentX = x;
1845 }
1846 else // click on a column
1847 {
1848 wxDataViewModel * model = GetOwner()->GetModel();
1849 wxEventType evt = event.LeftDown() ?
1850 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1851 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1852 SendEvent(evt, m_column);
1853
1854 //Left click the header
1855 if(event.LeftDown())
1856 {
1857 wxDataViewColumn *col = GetColumn(m_column);
1858 if(col->IsSortable())
1859 {
1860 wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
1861 if(model && sortCol == col)
1862 {
1863 bool order = col->IsSortOrderAscending();
1864 col->SetSortOrder(!order);
1865 }
1866 else if(model)
1867 {
1868 m_owner->SetSortingColumn(col);
1869 }
1870 }
1871 UpdateDisplay();
1872 if(model)
1873 model->Resort();
1874 //Send the column sorted event
1875 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1876 }
1877 }
1878 }
1879 else if (event.Moving())
1880 {
1881 if (hit_border && resizeable)
1882 m_currentCursor = m_resizeCursor;
1883 else
1884 m_currentCursor = wxSTANDARD_CURSOR;
1885
1886 SetCursor(*m_currentCursor);
1887 }
1888 }
1889 }
1890
1891 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1892 {
1893 int xpix, x;
1894
1895 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1896 m_owner->GetViewStart( &x, NULL );
1897
1898 // shift the DC origin to match the position of the main window horizontal
1899 // scrollbar: this allows us to always use logical coords
1900 dc.SetDeviceOrigin( -x * xpix, 0 );
1901 }
1902
1903 #endif // defined(__WXMSW__)
1904
1905 //-----------------------------------------------------------------------------
1906 // wxDataViewRenameTimer
1907 //-----------------------------------------------------------------------------
1908
1909 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1910 {
1911 m_owner = owner;
1912 }
1913
1914 void wxDataViewRenameTimer::Notify()
1915 {
1916 m_owner->OnRenameTimer();
1917 }
1918
1919 //-----------------------------------------------------------------------------
1920 // wxDataViewMainWindow
1921 //-----------------------------------------------------------------------------
1922
1923 //The tree building helper, declared firstly
1924 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1925
1926 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1927 {
1928 if (row1 > row2) return 1;
1929 if (row1 == row2) return 0;
1930 return -1;
1931 }
1932
1933
1934 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1935
1936 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1937 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1938 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1939 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1940 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1941 EVT_CHAR (wxDataViewMainWindow::OnChar)
1942 END_EVENT_TABLE()
1943
1944 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1945 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1946 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1947 m_selection( wxDataViewSelectionCmp )
1948
1949 {
1950 SetOwner( parent );
1951
1952 m_lastOnSame = false;
1953 m_renameTimer = new wxDataViewRenameTimer( this );
1954
1955 // TODO: user better initial values/nothing selected
1956 m_currentCol = NULL;
1957 m_currentRow = 0;
1958
1959 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1960
1961 m_dragCount = 0;
1962 m_dragStart = wxPoint(0,0);
1963 m_lineLastClicked = (unsigned int) -1;
1964 m_lineBeforeLastClicked = (unsigned int) -1;
1965 m_lineSelectSingleOnUp = (unsigned int) -1;
1966
1967 m_hasFocus = false;
1968
1969 SetBackgroundColour( *wxWHITE );
1970
1971 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1972
1973 m_penRule = wxPen(GetRuleColour());
1974
1975 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1976 m_penExpander = wxPen(wxColour(0,0,0));
1977 //Some new added code to deal with the tree structure
1978 m_root = new wxDataViewTreeNode( NULL );
1979 m_root->SetHasChildren(true);
1980
1981 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1982 m_count = -1 ;
1983 m_underMouse = NULL;
1984 UpdateDisplay();
1985 }
1986
1987 wxDataViewMainWindow::~wxDataViewMainWindow()
1988 {
1989 DestroyTree();
1990 delete m_renameTimer;
1991 }
1992
1993 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1994 {
1995 wxDataViewModel *model = GetOwner()->GetModel();
1996 wxAutoBufferedPaintDC dc( this );
1997
1998 #ifdef __WXMSW__
1999 dc.SetPen( *wxTRANSPARENT_PEN );
2000 dc.SetBrush( wxBrush( GetBackgroundColour()) );
2001 dc.SetBrush( *wxWHITE_BRUSH );
2002 wxSize size( GetClientSize() );
2003 dc.DrawRectangle( 0,0,size.x,size.y );
2004 #endif
2005
2006 // prepare the DC
2007 GetOwner()->PrepareDC( dc );
2008 dc.SetFont( GetFont() );
2009
2010 wxRect update = GetUpdateRegion().GetBox();
2011 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
2012
2013 // compute which items needs to be redrawn
2014 unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
2015 unsigned int item_count =
2016 wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
2017 (int)(GetRowCount( ) - item_start));
2018 unsigned int item_last = item_start + item_count;
2019
2020 // compute which columns needs to be redrawn
2021 unsigned int cols = GetOwner()->GetColumnCount();
2022 unsigned int col_start = 0;
2023 unsigned int x_start = 0;
2024 for (x_start = 0; col_start < cols; col_start++)
2025 {
2026 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
2027 if (col->IsHidden())
2028 continue; // skip it!
2029
2030 unsigned int w = col->GetWidth();
2031 if (x_start+w >= (unsigned int)update.x)
2032 break;
2033
2034 x_start += w;
2035 }
2036
2037 unsigned int col_last = col_start;
2038 unsigned int x_last = x_start;
2039 for (; col_last < cols; col_last++)
2040 {
2041 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2042 if (col->IsHidden())
2043 continue; // skip it!
2044
2045 if (x_last > (unsigned int)update.GetRight())
2046 break;
2047
2048 x_last += col->GetWidth();
2049 }
2050
2051 // Draw horizontal rules if required
2052 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2053 {
2054 dc.SetPen(m_penRule);
2055 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2056
2057 for (unsigned int i = item_start; i <= item_last+1; i++)
2058 {
2059 int y = i * m_lineHeight;
2060 dc.DrawLine(x_start, y, x_last, y);
2061 }
2062 }
2063
2064 // Draw vertical rules if required
2065 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2066 {
2067 dc.SetPen(m_penRule);
2068 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2069
2070 int x = x_start;
2071 for (unsigned int i = col_start; i < col_last; i++)
2072 {
2073 wxDataViewColumn *col = GetOwner()->GetColumn(i);
2074 if (col->IsHidden())
2075 continue; // skip it
2076
2077 dc.DrawLine(x, item_start * m_lineHeight,
2078 x, item_last * m_lineHeight);
2079
2080 x += col->GetWidth();
2081 }
2082
2083 // Draw last vertical rule
2084 dc.DrawLine(x, item_start * m_lineHeight,
2085 x, item_last * m_lineHeight);
2086 }
2087
2088 // redraw the background for the items which are selected/current
2089 for (unsigned int item = item_start; item < item_last; item++)
2090 {
2091 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2092 if (selected || item == m_currentRow)
2093 {
2094 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2095 if (item == m_currentRow)
2096 flags |= wxCONTROL_CURRENT;
2097 if (m_hasFocus)
2098 flags |= wxCONTROL_FOCUSED;
2099
2100 wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2101 wxRendererNative::Get().DrawItemSelectionRect
2102 (
2103 this,
2104 dc,
2105 rect,
2106 flags
2107 );
2108 }
2109 }
2110
2111 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
2112 if (!expander)
2113 {
2114 // TODO: last column for RTL support
2115 expander = GetOwner()->GetColumn( 0 );
2116 GetOwner()->SetExpanderColumn(expander);
2117 }
2118
2119 // redraw all cells for all rows which must be repainted and for all columns
2120 wxRect cell_rect;
2121 cell_rect.x = x_start;
2122 cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
2123 for (unsigned int i = col_start; i < col_last; i++)
2124 {
2125 wxDataViewColumn *col = GetOwner()->GetColumn( i );
2126 wxDataViewRenderer *cell = col->GetRenderer();
2127 cell_rect.width = col->GetWidth();
2128
2129 if (col->IsHidden())
2130 continue; // skipt it!
2131
2132
2133 for (unsigned int item = item_start; item < item_last; item++)
2134 {
2135 // get the cell value and set it into the renderer
2136 wxVariant value;
2137 wxDataViewTreeNode *node = NULL;
2138 wxDataViewItem dataitem;
2139
2140 if (m_root)
2141 {
2142 node = GetTreeNodeByRow(item);
2143 if( node == NULL )
2144 continue;
2145
2146 dataitem = node->GetItem();
2147
2148 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
2149 continue;
2150 }
2151 else
2152 {
2153 dataitem = wxDataViewItem( (void*) item );
2154 }
2155
2156 model->GetValue( value, dataitem, col->GetModelColumn());
2157 cell->SetValue( value );
2158
2159 if (cell->GetWantsAttr())
2160 {
2161 wxDataViewItemAttr attr;
2162 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
2163 if (ret)
2164 cell->SetAttr( attr );
2165 cell->SetHasAttr( ret );
2166 }
2167
2168 // update the y offset
2169 cell_rect.y = item * m_lineHeight;
2170
2171 //Draw the expander here.
2172 int indent = 0;
2173 if ((m_root) && (col == expander))
2174 {
2175 indent = node->GetIndentLevel();
2176
2177 //Calculate the indent first
2178 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2179
2180 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2181 // change the cell_rect.x to the appropriate pos
2182 int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2183 indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
2184 dc.SetPen( m_penExpander );
2185 dc.SetBrush( wxNullBrush );
2186 if( node->HasChildren() )
2187 {
2188 wxRect rect( expander_x , expander_y, expander_width, expander_width);
2189 int flag = 0;
2190 if (m_underMouse == node)
2191 {
2192 flag |= wxCONTROL_CURRENT;
2193 }
2194 if( node->IsOpen() )
2195 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
2196 else
2197 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2198 }
2199 //force the expander column to left-center align
2200 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2201 }
2202 if (node && !node->HasChildren())
2203 {
2204 // Yes, if the node does not have any child, it must be a leaf which
2205 // mean that it is a temporarily created by GetTreeNodeByRow
2206 wxDELETE(node)
2207 }
2208
2209 // cannot be bigger than allocated space
2210 wxSize size = cell->GetSize();
2211 // Because of the tree structure indent, here we should minus the width of the cell for drawing
2212 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2213 // size.y = wxMin( size.y, cell_rect.height );
2214 size.y = cell_rect.height;
2215
2216 wxRect item_rect(cell_rect.GetTopLeft(), size);
2217 int align = cell->GetAlignment();
2218
2219 // horizontal alignment:
2220 item_rect.x = cell_rect.x;
2221 if (align & wxALIGN_CENTER_HORIZONTAL)
2222 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2223 else if (align & wxALIGN_RIGHT)
2224 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2225 //else: wxALIGN_LEFT is the default
2226
2227 // vertical alignment:
2228 item_rect.y = cell_rect.y;
2229 if (align & wxALIGN_CENTER_VERTICAL)
2230 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2231 else if (align & wxALIGN_BOTTOM)
2232 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2233 //else: wxALIGN_TOP is the default
2234
2235 // add padding
2236 item_rect.x += PADDING_RIGHTLEFT;
2237 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2238
2239 //Here we add the tree indent
2240 item_rect.x += indent;
2241
2242 int state = 0;
2243 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
2244 state |= wxDATAVIEW_CELL_SELECTED;
2245
2246 // TODO: it would be much more efficient to create a clipping
2247 // region for the entire column being rendered (in the OnPaint
2248 // of wxDataViewMainWindow) instead of a single clip region for
2249 // each cell. However it would mean that each renderer should
2250 // respect the given wxRect's top & bottom coords, eventually
2251 // violating only the left & right coords - however the user can
2252 // make its own renderer and thus we cannot be sure of that.
2253 dc.SetClippingRegion( item_rect );
2254 cell->Render( item_rect, &dc, state );
2255 dc.DestroyClippingRegion();
2256 }
2257
2258 cell_rect.x += cell_rect.width;
2259 }
2260 }
2261
2262 void wxDataViewMainWindow::OnRenameTimer()
2263 {
2264 // We have to call this here because changes may just have
2265 // been made and no screen update taken place.
2266 if ( m_dirty )
2267 wxSafeYield();
2268
2269 int xpos = 0;
2270 unsigned int cols = GetOwner()->GetColumnCount();
2271 unsigned int i;
2272 for (i = 0; i < cols; i++)
2273 {
2274 wxDataViewColumn *c = GetOwner()->GetColumn( i );
2275 if (c->IsHidden())
2276 continue; // skip it!
2277
2278 if (c == m_currentCol)
2279 break;
2280 xpos += c->GetWidth();
2281 }
2282 wxRect labelRect( xpos, m_currentRow * m_lineHeight,
2283 m_currentCol->GetWidth(), m_lineHeight );
2284
2285 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
2286 &labelRect.x, &labelRect.y);
2287
2288 wxDataViewItem item = GetItemByRow( m_currentRow );
2289 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
2290
2291 }
2292
2293 //------------------------------------------------------------------
2294 // Helper class for do operation on the tree node
2295 //------------------------------------------------------------------
2296 class DoJob
2297 {
2298 public:
2299 DoJob(){};
2300 virtual ~DoJob(){};
2301
2302 //The return value control how the tree-walker tranverse the tree
2303 // 0: Job done, stop tranverse and return
2304 // 1: Ignore the current node's subtree and continue
2305 // 2: Job not done, continue
2306 enum { OK = 0 , IGR = 1, CONT = 2 };
2307 virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
2308 virtual int operator() ( void * n ) = 0;
2309 };
2310
2311 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2312 {
2313 if( node==NULL )
2314 return false;
2315
2316 switch( func( node ) )
2317 {
2318 case DoJob::OK :
2319 return true ;
2320 case DoJob::IGR:
2321 return false;
2322 case DoJob::CONT:
2323 default:
2324 ;
2325 }
2326
2327 wxDataViewTreeNodes nodes = node->GetNodes();
2328 wxDataViewTreeLeaves leaves = node->GetChildren();
2329
2330 int len_nodes = nodes.GetCount();
2331 int len = leaves.GetCount();
2332 int i = 0, nodes_i = 0;
2333
2334 for( ; i < len ; i ++ )
2335 {
2336 void * n = leaves[i];
2337 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2338 {
2339 wxDataViewTreeNode * nd = nodes[nodes_i];
2340 nodes_i++;
2341
2342 if( Walker( nd , func ) )
2343 return true;
2344
2345 }
2346 else
2347 switch( func( n ) )
2348 {
2349 case DoJob::OK :
2350 return true ;
2351 case DoJob::IGR:
2352 continue;
2353 case DoJob::CONT:
2354 default:
2355 ;
2356 }
2357 }
2358 return false;
2359 }
2360
2361 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2362 {
2363 if (!m_root)
2364 {
2365 m_count++;
2366 UpdateDisplay();
2367 return true;
2368 }
2369
2370 SortPrepare();
2371
2372 wxDataViewTreeNode * node;
2373 node = FindNode(parent);
2374
2375 if( node == NULL )
2376 return false;
2377
2378 node->SetHasChildren( true );
2379
2380 if( g_model->IsContainer( item ) )
2381 {
2382 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2383 newnode->SetItem(item);
2384 newnode->SetHasChildren( true );
2385 node->AddNode( newnode);
2386 }
2387 else
2388 node->AddLeaf( item.GetID() );
2389
2390 node->ChangeSubTreeCount(1);
2391
2392 m_count = -1;
2393 UpdateDisplay();
2394
2395 return true;
2396 }
2397
2398 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2399
2400 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2401 const wxDataViewItem& item)
2402 {
2403 if (!m_root)
2404 {
2405 m_count--;
2406 if( m_currentRow > GetRowCount() )
2407 m_currentRow = m_count - 1;
2408
2409 m_selection.Empty();
2410
2411 UpdateDisplay();
2412
2413 return true;
2414 }
2415
2416 wxDataViewTreeNode * node = FindNode(parent);
2417
2418 wxCHECK_MSG( node != NULL, false, "item not found" );
2419 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2420
2421 int sub = -1;
2422 node->GetChildren().Remove( item.GetID() );
2423 //Manuplate selection
2424 if( m_selection.GetCount() > 1 )
2425 {
2426 m_selection.Empty();
2427 }
2428 bool isContainer = false;
2429 wxDataViewTreeNodes nds = node->GetNodes();
2430 for (size_t i = 0; i < nds.GetCount(); i ++)
2431 {
2432 if (nds[i]->GetItem() == item)
2433 {
2434 isContainer = true;
2435 break;
2436 }
2437 }
2438 if( isContainer )
2439 {
2440 wxDataViewTreeNode * n = NULL;
2441 wxDataViewTreeNodes nodes = node->GetNodes();
2442 int len = nodes.GetCount();
2443 for( int i = 0 ; i < len; i ++)
2444 {
2445 if( nodes[i]->GetItem() == item )
2446 {
2447 n = nodes[i];
2448 break;
2449 }
2450 }
2451
2452 wxCHECK_MSG( n != NULL, false, "item not found" );
2453
2454 node->GetNodes().Remove( n );
2455 sub -= n->GetSubTreeCount();
2456 ::DestroyTreeHelper(n);
2457 }
2458 //Make the row number invalid and get a new valid one when user call GetRowCount
2459 m_count = -1;
2460 node->ChangeSubTreeCount(sub);
2461 if( node->GetChildrenNumber() == 0)
2462 {
2463 node->GetParent()->GetNodes().Remove( node );
2464 delete node;
2465 }
2466
2467 //Change the current row to the last row if the current exceed the max row number
2468 if( m_currentRow > GetRowCount() )
2469 m_currentRow = m_count - 1;
2470
2471 UpdateDisplay();
2472
2473 return true;
2474 }
2475
2476 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2477 {
2478 SortPrepare();
2479 g_model->Resort();
2480
2481 //Send event
2482 wxWindow *parent = GetParent();
2483 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2484 le.SetEventObject(parent);
2485 le.SetModel(GetOwner()->GetModel());
2486 le.SetItem(item);
2487 parent->GetEventHandler()->ProcessEvent(le);
2488
2489 return true;
2490 }
2491
2492 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2493 {
2494 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2495 /*#define MAX_VIRTUAL_WIDTH 100000
2496
2497 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2498 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2499 Refresh( true, &rect );
2500
2501 return true;
2502 */
2503 SortPrepare();
2504 g_model->Resort();
2505
2506 //Send event
2507 wxWindow *parent = GetParent();
2508 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2509 le.SetEventObject(parent);
2510 le.SetModel(GetOwner()->GetModel());
2511 le.SetItem(item);
2512 le.SetColumn(col);
2513 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2514 parent->GetEventHandler()->ProcessEvent(le);
2515
2516 return true;
2517 }
2518
2519 bool wxDataViewMainWindow::Cleared()
2520 {
2521 DestroyTree();
2522
2523 SortPrepare();
2524 BuildTree( GetOwner()->GetModel() );
2525
2526 UpdateDisplay();
2527
2528 return true;
2529 }
2530
2531 void wxDataViewMainWindow::UpdateDisplay()
2532 {
2533 m_dirty = true;
2534 }
2535
2536 void wxDataViewMainWindow::OnInternalIdle()
2537 {
2538 wxWindow::OnInternalIdle();
2539
2540 if (m_dirty)
2541 {
2542 RecalculateDisplay();
2543 m_dirty = false;
2544 }
2545 }
2546
2547 void wxDataViewMainWindow::RecalculateDisplay()
2548 {
2549 wxDataViewModel *model = GetOwner()->GetModel();
2550 if (!model)
2551 {
2552 Refresh();
2553 return;
2554 }
2555
2556 int width = GetEndOfLastCol();
2557 int height = GetRowCount() * m_lineHeight;
2558
2559 SetVirtualSize( width, height );
2560 GetOwner()->SetScrollRate( 10, m_lineHeight );
2561
2562 Refresh();
2563 }
2564
2565 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2566 {
2567 wxWindow::ScrollWindow( dx, dy, rect );
2568
2569 if (GetOwner()->m_headerArea)
2570 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2571 }
2572
2573 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2574 {
2575 int x, y;
2576 m_owner->GetScrollPixelsPerUnit( &x, &y );
2577 int sy = rows*m_lineHeight/y;
2578 int sx = 0;
2579 if( column != -1 )
2580 {
2581 wxRect rect = GetClientRect();
2582 int colnum = 0;
2583 int x_start = 0, x_end = 0, w = 0;
2584 int xx, yy, xe;
2585 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2586 for (x_start = 0; colnum < column; colnum++)
2587 {
2588 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2589 if (col->IsHidden())
2590 continue; // skip it!
2591
2592 w = col->GetWidth();
2593 x_start += w;
2594 }
2595
2596 x_end = x_start + w;
2597 xe = xx + rect.width;
2598 if( x_end > xe )
2599 {
2600 sx = ( xx + x_end - xe )/x;
2601 }
2602 if( x_start < xx )
2603 {
2604 sx = x_start/x;
2605 }
2606 }
2607 m_owner->Scroll( sx, sy );
2608 }
2609
2610 int wxDataViewMainWindow::GetCountPerPage() const
2611 {
2612 wxSize size = GetClientSize();
2613 return size.y / m_lineHeight;
2614 }
2615
2616 int wxDataViewMainWindow::GetEndOfLastCol() const
2617 {
2618 int width = 0;
2619 unsigned int i;
2620 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2621 {
2622 const wxDataViewColumn *c =
2623 wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2624
2625 if (!c->IsHidden())
2626 width += c->GetWidth();
2627 }
2628 return width;
2629 }
2630
2631 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2632 {
2633 int x = 0;
2634 int y = 0;
2635 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2636
2637 return y / m_lineHeight;
2638 }
2639
2640 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2641 {
2642 wxSize client_size = GetClientSize();
2643 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2644 &client_size.x, &client_size.y );
2645
2646 //we should deal with the pixel here
2647 unsigned int row = ((client_size.y)/m_lineHeight) - 1;
2648
2649 return wxMin( GetRowCount()-1, row );
2650 }
2651
2652 unsigned int wxDataViewMainWindow::GetRowCount()
2653 {
2654 if ( m_count == -1 )
2655 {
2656 m_count = RecalculateCount();
2657 int width, height;
2658 GetVirtualSize( &width, &height );
2659 height = m_count * m_lineHeight;
2660
2661 SetVirtualSize( width, height );
2662 }
2663 return m_count;
2664 }
2665
2666 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2667 {
2668 m_currentRow = row;
2669
2670 // send event
2671 }
2672
2673 void wxDataViewMainWindow::SelectAllRows( bool on )
2674 {
2675 if (IsEmpty())
2676 return;
2677
2678 if (on)
2679 {
2680 m_selection.Clear();
2681 for (unsigned int i = 0; i < GetRowCount(); i++)
2682 m_selection.Add( i );
2683 Refresh();
2684 }
2685 else
2686 {
2687 unsigned int first_visible = GetFirstVisibleRow();
2688 unsigned int last_visible = GetLastVisibleRow();
2689 unsigned int i;
2690 for (i = 0; i < m_selection.GetCount(); i++)
2691 {
2692 unsigned int row = m_selection[i];
2693 if ((row >= first_visible) && (row <= last_visible))
2694 RefreshRow( row );
2695 }
2696 m_selection.Clear();
2697 }
2698 }
2699
2700 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2701 {
2702 if (m_selection.Index( row ) == wxNOT_FOUND)
2703 {
2704 if (on)
2705 {
2706 m_selection.Add( row );
2707 RefreshRow( row );
2708 }
2709 }
2710 else
2711 {
2712 if (!on)
2713 {
2714 m_selection.Remove( row );
2715 RefreshRow( row );
2716 }
2717 }
2718 }
2719
2720 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2721 {
2722 if (from > to)
2723 {
2724 unsigned int tmp = from;
2725 from = to;
2726 to = tmp;
2727 }
2728
2729 unsigned int i;
2730 for (i = from; i <= to; i++)
2731 {
2732 if (m_selection.Index( i ) == wxNOT_FOUND)
2733 {
2734 if (on)
2735 m_selection.Add( i );
2736 }
2737 else
2738 {
2739 if (!on)
2740 m_selection.Remove( i );
2741 }
2742 }
2743 RefreshRows( from, to );
2744 }
2745
2746 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2747 {
2748 for (size_t i=0; i < aSelections.GetCount(); i++)
2749 {
2750 int n = aSelections[i];
2751
2752 m_selection.Add( n );
2753 RefreshRow( n );
2754 }
2755 }
2756
2757 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2758 {
2759 if (m_selection.Index( row ) == wxNOT_FOUND)
2760 m_selection.Add( row );
2761 else
2762 m_selection.Remove( row );
2763 RefreshRow( row );
2764 }
2765
2766 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2767 {
2768 return (m_selection.Index( row ) != wxNOT_FOUND);
2769 }
2770
2771 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2772 {
2773 wxWindow *parent = GetParent();
2774 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2775
2776 le.SetEventObject(parent);
2777 le.SetModel(GetOwner()->GetModel());
2778 le.SetItem( item );
2779
2780 parent->GetEventHandler()->ProcessEvent(le);
2781 }
2782
2783 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2784 {
2785 wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2786 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2787
2788 wxSize client_size = GetClientSize();
2789 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2790 wxRect intersect_rect = client_rect.Intersect( rect );
2791 if (intersect_rect.width > 0)
2792 Refresh( true, &intersect_rect );
2793 }
2794
2795 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2796 {
2797 if (from > to)
2798 {
2799 unsigned int tmp = to;
2800 to = from;
2801 from = tmp;
2802 }
2803
2804 wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2805 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2806
2807 wxSize client_size = GetClientSize();
2808 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2809 wxRect intersect_rect = client_rect.Intersect( rect );
2810 if (intersect_rect.width > 0)
2811 Refresh( true, &intersect_rect );
2812 }
2813
2814 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2815 {
2816 unsigned int count = GetRowCount();
2817 if (firstRow > count)
2818 return;
2819
2820 wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2821 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2822
2823 wxSize client_size = GetClientSize();
2824 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2825 wxRect intersect_rect = client_rect.Intersect( rect );
2826 if (intersect_rect.width > 0)
2827 Refresh( true, &intersect_rect );
2828 }
2829
2830 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2831 {
2832 wxCHECK_RET( newCurrent < GetRowCount(),
2833 _T("invalid item index in OnArrowChar()") );
2834
2835 // if there is no selection, we cannot move it anywhere
2836 if (!HasCurrentRow())
2837 return;
2838
2839 unsigned int oldCurrent = m_currentRow;
2840
2841 // in single selection we just ignore Shift as we can't select several
2842 // items anyhow
2843 if ( event.ShiftDown() && !IsSingleSel() )
2844 {
2845 RefreshRow( oldCurrent );
2846
2847 ChangeCurrentRow( newCurrent );
2848
2849 // select all the items between the old and the new one
2850 if ( oldCurrent > newCurrent )
2851 {
2852 newCurrent = oldCurrent;
2853 oldCurrent = m_currentRow;
2854 }
2855
2856 SelectRows( oldCurrent, newCurrent, true );
2857 if (oldCurrent!=newCurrent)
2858 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2859 }
2860 else // !shift
2861 {
2862 RefreshRow( oldCurrent );
2863
2864 // all previously selected items are unselected unless ctrl is held
2865 if ( !event.ControlDown() )
2866 SelectAllRows(false);
2867
2868 ChangeCurrentRow( newCurrent );
2869
2870 if ( !event.ControlDown() )
2871 {
2872 SelectRow( m_currentRow, true );
2873 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2874 }
2875 else
2876 RefreshRow( m_currentRow );
2877 }
2878
2879 GetOwner()->EnsureVisible( m_currentRow, -1 );
2880 }
2881
2882 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2883 {
2884 wxRect rect;
2885 rect.x = 0;
2886 rect.y = m_lineHeight * row;
2887 rect.width = GetEndOfLastCol();
2888 rect.height = m_lineHeight;
2889
2890 return rect;
2891 }
2892
2893 class RowToItemJob: public DoJob
2894 {
2895 public:
2896 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2897 virtual ~RowToItemJob(){};
2898
2899 virtual int operator() ( wxDataViewTreeNode * node )
2900 {
2901 current ++;
2902 if( current == static_cast<int>(row))
2903 {
2904 ret = node->GetItem() ;
2905 return DoJob::OK;
2906 }
2907
2908 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2909 {
2910 current += node->GetSubTreeCount();
2911 return DoJob::IGR;
2912 }
2913 else
2914 {
2915 //If the current has no child node, we can find the desired item of the row number directly.
2916 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2917 if( node->GetNodes().GetCount() == 0)
2918 {
2919 int index = static_cast<int>(row) - current - 1;
2920 ret = node->GetChildren().Item( index );
2921 return DoJob::OK;
2922 }
2923 return DoJob::CONT;
2924 }
2925 }
2926
2927 virtual int operator() ( void * n )
2928 {
2929 current ++;
2930 if( current == static_cast<int>(row))
2931 {
2932 ret = wxDataViewItem( n ) ;
2933 return DoJob::OK;
2934 }
2935 return DoJob::CONT;
2936 }
2937 wxDataViewItem GetResult(){ return ret; }
2938 private:
2939 unsigned int row;
2940 int current ;
2941 wxDataViewItem ret;
2942 };
2943
2944 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2945 {
2946 if (!m_root)
2947 {
2948 return wxDataViewItem( (void*) row );
2949 }
2950 else
2951 {
2952 RowToItemJob job( row, -2 );
2953 Walker( m_root , job );
2954 return job.GetResult();
2955 }
2956 }
2957
2958 class RowToTreeNodeJob: public DoJob
2959 {
2960 public:
2961 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2962 {
2963 this->row = row;
2964 this->current = current ;
2965 ret = NULL ;
2966 parent = node;
2967 }
2968 virtual ~RowToTreeNodeJob(){};
2969
2970 virtual int operator() ( wxDataViewTreeNode * node )
2971 {
2972 current ++;
2973 if( current == static_cast<int>(row))
2974 {
2975 ret = node ;
2976 return DoJob::OK;
2977 }
2978
2979 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2980 {
2981 current += node->GetSubTreeCount();
2982 return DoJob::IGR;
2983 }
2984 else
2985 {
2986 parent = node;
2987 //If the current has no child node, we can find the desired item of the row number directly.
2988 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2989 if( node->GetNodes().GetCount() == 0)
2990 {
2991 int index = static_cast<int>(row) - current - 1;
2992 void * n = node->GetChildren().Item( index );
2993 ret = new wxDataViewTreeNode( parent ) ;
2994 ret->SetItem( wxDataViewItem( n ));
2995 ret->SetHasChildren(false);
2996 return DoJob::OK;
2997 }
2998 return DoJob::CONT;
2999 }
3000
3001
3002 }
3003
3004 virtual int operator() ( void * n )
3005 {
3006 current ++;
3007 if( current == static_cast<int>(row))
3008 {
3009 ret = new wxDataViewTreeNode( parent ) ;
3010 ret->SetItem( wxDataViewItem( n ));
3011 ret->SetHasChildren(false);
3012 return DoJob::OK;
3013 }
3014
3015 return DoJob::CONT;
3016 }
3017 wxDataViewTreeNode * GetResult(){ return ret; }
3018 private:
3019 unsigned int row;
3020 int current ;
3021 wxDataViewTreeNode * ret;
3022 wxDataViewTreeNode * parent ;
3023 };
3024
3025
3026 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
3027 {
3028 if (!m_root)
3029 {
3030 return NULL;
3031 }
3032 else
3033 {
3034 RowToTreeNodeJob job( row , -2, m_root );
3035 Walker( m_root , job );
3036 return job.GetResult();
3037 }
3038 }
3039
3040 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
3041 {
3042 wxWindow *parent = GetParent();
3043 wxDataViewEvent le(type, parent->GetId());
3044
3045 le.SetEventObject(parent);
3046 le.SetModel(GetOwner()->GetModel());
3047 le.SetItem( item );
3048
3049 parent->GetEventHandler()->ProcessEvent(le);
3050 return le;
3051 }
3052
3053 void wxDataViewMainWindow::OnExpanding( unsigned int row )
3054 {
3055 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3056 if( node != NULL )
3057 {
3058 if( node->HasChildren())
3059 {
3060 if( !node->IsOpen())
3061 {
3062 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
3063 //Check if the user prevent expanding
3064 if( e.GetSkipped() )
3065 return;
3066
3067 node->ToggleOpen();
3068 //Here I build the children of current node
3069 if( node->GetChildrenNumber() == 0 )
3070 {
3071 SortPrepare();
3072 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
3073 }
3074 m_count = -1;
3075 UpdateDisplay();
3076 //Send the expanded event
3077 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3078 }
3079 else
3080 {
3081 SelectRow( row, false );
3082 SelectRow( row + 1, true );
3083 ChangeCurrentRow( row + 1 );
3084 SendSelectionChangedEvent( GetItemByRow(row+1));
3085 }
3086 }
3087 else
3088 delete node;
3089 }
3090 }
3091
3092 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
3093 {
3094 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3095 if( node != NULL )
3096 {
3097 wxDataViewTreeNode * nd = node;
3098
3099 if( node->HasChildren() && node->IsOpen() )
3100 {
3101 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3102 if( e.GetSkipped() )
3103 return;
3104 node->ToggleOpen();
3105 m_count = -1;
3106 UpdateDisplay();
3107 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
3108 }
3109 else
3110 {
3111 node = node->GetParent();
3112 if( node != NULL )
3113 {
3114 int parent = GetRowByItem( node->GetItem() ) ;
3115 if( parent >= 0 )
3116 {
3117 SelectRow( row, false);
3118 SelectRow(parent , true );
3119 ChangeCurrentRow( parent );
3120 SendSelectionChangedEvent( node->GetItem() );
3121 }
3122 }
3123 }
3124 if( !nd->HasChildren())
3125 delete nd;
3126 }
3127 }
3128
3129 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3130 {
3131 wxDataViewModel * model = GetOwner()->GetModel();
3132 if( model == NULL )
3133 return NULL;
3134
3135 //Compose the a parent-chain of the finding item
3136 ItemList list;
3137 list.DeleteContents( true );
3138 wxDataViewItem it( item );
3139 while( it.IsOk() )
3140 {
3141 wxDataViewItem * pItem = new wxDataViewItem( it );
3142 list.Insert( pItem );
3143 it = model->GetParent( it );
3144 }
3145
3146 //Find the item along the parent-chain.
3147 //This algorithm is designed to speed up the node-finding method
3148 wxDataViewTreeNode * node = m_root;
3149 for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )
3150 {
3151 if( node->HasChildren() )
3152 {
3153 if( node->GetChildrenNumber() == 0 )
3154 {
3155 SortPrepare();
3156 ::BuildTreeHelper(model, node->GetItem(), node);
3157 }
3158
3159 wxDataViewTreeNodes nodes = node->GetNodes();
3160 unsigned int i = 0;
3161 for (; i < nodes.GetCount(); i ++)
3162 {
3163 if (nodes[i]->GetItem() == (**iter))
3164 {
3165 node = nodes[i];
3166 break;
3167 }
3168 }
3169 if (i == nodes.GetCount())
3170 return NULL;
3171 }
3172 else
3173 return NULL;
3174 }
3175 return node;
3176 }
3177
3178 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3179 {
3180 wxDataViewColumn *col = NULL;
3181 unsigned int cols = GetOwner()->GetColumnCount();
3182 unsigned int colnum = 0;
3183 unsigned int x_start = 0;
3184 int x, y;
3185 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3186 for (x_start = 0; colnum < cols; colnum++)
3187 {
3188 col = GetOwner()->GetColumn(colnum);
3189 if (col->IsHidden())
3190 continue; // skip it!
3191
3192 unsigned int w = col->GetWidth();
3193 if (x_start+w >= (unsigned int)x)
3194 break;
3195
3196 x_start += w;
3197 }
3198
3199 column = col;
3200 item = GetItemByRow( y/m_lineHeight );
3201 }
3202
3203 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3204 {
3205 int row = GetRowByItem(item);
3206 int y = row*m_lineHeight;
3207 int h = m_lineHeight;
3208 int x = 0;
3209 wxDataViewColumn *col = NULL;
3210 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3211 {
3212 col = GetOwner()->GetColumn( i );
3213 x += col->GetWidth();
3214 if( GetOwner()->GetColumn(i+1) == column )
3215 break;
3216 }
3217 int w = col->GetWidth();
3218 m_owner->CalcScrolledPosition( x, y, &x, &y );
3219 return wxRect(x, y, w, h);
3220 }
3221
3222 int wxDataViewMainWindow::RecalculateCount()
3223 {
3224 if (!m_root)
3225 {
3226 wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3227 #ifndef __WXMAC__
3228 return list_model->GetLastIndex() + 1;
3229 #else
3230 return list_model->GetLastIndex() - 1;
3231 #endif
3232 }
3233 else
3234 {
3235 return m_root->GetSubTreeCount();
3236 }
3237 }
3238
3239 class ItemToRowJob : public DoJob
3240 {
3241 public:
3242 ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
3243 { this->item = item ; ret = -1 ; m_iter = iter ; }
3244 virtual ~ItemToRowJob(){};
3245
3246 //Maybe binary search will help to speed up this process
3247 virtual int operator() ( wxDataViewTreeNode * node)
3248 {
3249 ret ++;
3250 if( node->GetItem() == item )
3251 {
3252 return DoJob::OK;
3253 }
3254
3255 if( node->GetItem() == **m_iter )
3256 {
3257 m_iter++ ;
3258 return DoJob::CONT;
3259 }
3260 else
3261 {
3262 ret += node->GetSubTreeCount();
3263 return DoJob::IGR;
3264 }
3265
3266 }
3267
3268 virtual int operator() ( void * n )
3269 {
3270 ret ++;
3271 if( n == item.GetID() )
3272 return DoJob::OK;
3273 return DoJob::CONT;
3274 }
3275 //the row number is begin from zero
3276 int GetResult(){ return ret -1 ; }
3277 private:
3278 ItemList::const_iterator m_iter;
3279 wxDataViewItem item;
3280 int ret;
3281
3282 };
3283
3284 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3285 {
3286 wxDataViewModel * model = GetOwner()->GetModel();
3287 if( model == NULL )
3288 return -1;
3289
3290 if (!m_root)
3291 {
3292 return wxPtrToUInt( item.GetID() );
3293 }
3294 else
3295 {
3296 if( !item.IsOk() )
3297 return -1;
3298
3299 //Compose the a parent-chain of the finding item
3300 ItemList list;
3301 wxDataViewItem * pItem = NULL;
3302 list.DeleteContents( true );
3303 wxDataViewItem it( item );
3304 while( it.IsOk() )
3305 {
3306 pItem = new wxDataViewItem( it );
3307 list.Insert( pItem );
3308 it = model->GetParent( it );
3309 }
3310 pItem = new wxDataViewItem( );
3311 list.Insert( pItem );
3312
3313 ItemToRowJob job( item, list.begin() );
3314 Walker(m_root , job );
3315 return job.GetResult();
3316 }
3317 }
3318
3319 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
3320 {
3321 if( !model->IsContainer( item ) )
3322 return ;
3323
3324 wxDataViewItemArray children;
3325 unsigned int num = model->GetChildren( item, children);
3326 unsigned int index = 0;
3327 while( index < num )
3328 {
3329 if( model->IsContainer( children[index] ) )
3330 {
3331 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3332 n->SetItem(children[index]);
3333 n->SetHasChildren( true ) ;
3334 node->AddNode( n );
3335 }
3336 else
3337 {
3338 node->AddLeaf( children[index].GetID() );
3339 }
3340 index ++;
3341 }
3342 node->SetSubTreeCount( num );
3343 wxDataViewTreeNode * n = node->GetParent();
3344 if( n != NULL)
3345 n->ChangeSubTreeCount(num);
3346
3347 }
3348
3349 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3350 {
3351 DestroyTree();
3352
3353 if (GetOwner()->GetModel()->IsIndexListModel())
3354 {
3355 m_count = -1 ;
3356 return;
3357 }
3358
3359 m_root = new wxDataViewTreeNode( NULL );
3360 m_root->SetHasChildren(true);
3361
3362 //First we define a invalid item to fetch the top-level elements
3363 wxDataViewItem item;
3364 SortPrepare();
3365 BuildTreeHelper( model, item, m_root);
3366 m_count = -1 ;
3367 }
3368
3369 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3370 {
3371 if( node->GetNodeNumber() != 0 )
3372 {
3373 int len = node->GetNodeNumber();
3374 int i = 0 ;
3375 wxDataViewTreeNodes& nodes = node->GetNodes();
3376 for( ; i < len; i ++ )
3377 {
3378 DestroyTreeHelper(nodes[i]);
3379 }
3380 }
3381 delete node;
3382 }
3383
3384 void wxDataViewMainWindow::DestroyTree()
3385 {
3386 if (m_root)
3387 {
3388 ::DestroyTreeHelper(m_root);
3389 m_count = 0;
3390 m_root = NULL;
3391 }
3392 }
3393
3394 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3395 {
3396 if ( HandleAsNavigationKey(event) )
3397 return;
3398
3399 // no item -> nothing to do
3400 if (!HasCurrentRow())
3401 {
3402 event.Skip();
3403 return;
3404 }
3405
3406 // don't use m_linesPerPage directly as it might not be computed yet
3407 const int pageSize = GetCountPerPage();
3408 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3409
3410 switch ( event.GetKeyCode() )
3411 {
3412 case WXK_RETURN:
3413 {
3414 if (m_currentRow > 0)
3415 {
3416 wxWindow *parent = GetParent();
3417 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3418 le.SetItem( GetItemByRow(m_currentRow) );
3419 le.SetEventObject(parent);
3420 le.SetModel(GetOwner()->GetModel());
3421
3422 parent->GetEventHandler()->ProcessEvent(le);
3423 }
3424 break;
3425 }
3426 case WXK_UP:
3427 if ( m_currentRow > 0 )
3428 OnArrowChar( m_currentRow - 1, event );
3429 break;
3430
3431 case WXK_DOWN:
3432 if ( m_currentRow < GetRowCount() - 1 )
3433 OnArrowChar( m_currentRow + 1, event );
3434 break;
3435 //Add the process for tree expanding/collapsing
3436 case WXK_LEFT:
3437 OnCollapsing(m_currentRow);
3438 break;
3439 case WXK_RIGHT:
3440 OnExpanding( m_currentRow);
3441 break;
3442 case WXK_END:
3443 if (!IsEmpty())
3444 OnArrowChar( GetRowCount() - 1, event );
3445 break;
3446
3447 case WXK_HOME:
3448 if (!IsEmpty())
3449 OnArrowChar( 0, event );
3450 break;
3451
3452 case WXK_PAGEUP:
3453 {
3454 int steps = pageSize - 1;
3455 int index = m_currentRow - steps;
3456 if (index < 0)
3457 index = 0;
3458
3459 OnArrowChar( index, event );
3460 }
3461 break;
3462
3463 case WXK_PAGEDOWN:
3464 {
3465 int steps = pageSize - 1;
3466 unsigned int index = m_currentRow + steps;
3467 unsigned int count = GetRowCount();
3468 if ( index >= count )
3469 index = count - 1;
3470
3471 OnArrowChar( index, event );
3472 }
3473 break;
3474
3475 default:
3476 event.Skip();
3477 }
3478 }
3479
3480 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3481 {
3482 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3483 {
3484 // let the base handle mouse wheel events.
3485 event.Skip();
3486 return;
3487 }
3488
3489 int x = event.GetX();
3490 int y = event.GetY();
3491 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3492 wxDataViewColumn *col = NULL;
3493
3494 int xpos = 0;
3495 unsigned int cols = GetOwner()->GetColumnCount();
3496 unsigned int i;
3497 for (i = 0; i < cols; i++)
3498 {
3499 wxDataViewColumn *c = GetOwner()->GetColumn( i );
3500 if (c->IsHidden())
3501 continue; // skip it!
3502
3503 if (x < xpos + c->GetWidth())
3504 {
3505 col = c;
3506 break;
3507 }
3508 xpos += c->GetWidth();
3509 }
3510 if (!col)
3511 return;
3512
3513 wxDataViewRenderer *cell = col->GetRenderer();
3514 unsigned int current = y / m_lineHeight;
3515 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3516 {
3517 // Unselect all if below the last row ?
3518 return;
3519 }
3520
3521 //Test whether the mouse is hovered on the tree item button
3522 bool hover = false;
3523 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3524 {
3525 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3526 if( node!=NULL && node->HasChildren() )
3527 {
3528 int indent = node->GetIndentLevel();
3529 indent = GetOwner()->GetIndent()*indent;
3530 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3531 if( rect.Contains( x, y) )
3532 {
3533 //So the mouse is over the expander
3534 hover = true;
3535 if (m_underMouse && m_underMouse != node)
3536 {
3537 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3538 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3539 }
3540 if (m_underMouse != node)
3541 {
3542 //wxLogMessage("Do the row: %d", current);
3543 RefreshRow(current);
3544 }
3545 m_underMouse = node;
3546 }
3547 }
3548 if (node!=NULL && !node->HasChildren())
3549 delete node;
3550 }
3551 if (!hover)
3552 {
3553 if (m_underMouse != NULL)
3554 {
3555 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3556 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3557 m_underMouse = NULL;
3558 }
3559 }
3560
3561 wxDataViewModel *model = GetOwner()->GetModel();
3562
3563 if (event.Dragging())
3564 {
3565 if (m_dragCount == 0)
3566 {
3567 // we have to report the raw, physical coords as we want to be
3568 // able to call HitTest(event.m_pointDrag) from the user code to
3569 // get the item being dragged
3570 m_dragStart = event.GetPosition();
3571 }
3572
3573 m_dragCount++;
3574
3575 if (m_dragCount != 3)
3576 return;
3577
3578 if (event.LeftIsDown())
3579 {
3580 // Notify cell about drag
3581 }
3582 return;
3583 }
3584 else
3585 {
3586 m_dragCount = 0;
3587 }
3588
3589 bool forceClick = false;
3590
3591 if (event.ButtonDClick())
3592 {
3593 m_renameTimer->Stop();
3594 m_lastOnSame = false;
3595 }
3596
3597 wxDataViewItem item = GetItemByRow(current);
3598 bool ignore_other_columns =
3599 ((GetOwner()->GetExpanderColumn() != col) &&
3600 (model->IsContainer(item)) &&
3601 (!model->HasContainerColumns(item)));
3602
3603 if (event.LeftDClick())
3604 {
3605 if ( current == m_lineLastClicked )
3606 {
3607 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3608 {
3609 wxVariant value;
3610 model->GetValue( value, item, col->GetModelColumn() );
3611 cell->SetValue( value );
3612 wxRect cell_rect( xpos, current * m_lineHeight,
3613 col->GetWidth(), m_lineHeight );
3614 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3615
3616 }
3617 else
3618 {
3619 wxWindow *parent = GetParent();
3620 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3621 le.SetItem( item );
3622 le.SetEventObject(parent);
3623 le.SetModel(GetOwner()->GetModel());
3624
3625 parent->GetEventHandler()->ProcessEvent(le);
3626 }
3627 return;
3628 }
3629 else
3630 {
3631 // The first click was on another item, so don't interpret this as
3632 // a double click, but as a simple click instead
3633 forceClick = true;
3634 }
3635 }
3636
3637 if (event.LeftUp())
3638 {
3639 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3640 {
3641 // select single line
3642 SelectAllRows( false );
3643 SelectRow( m_lineSelectSingleOnUp, true );
3644 }
3645
3646 //Process the event of user clicking the expander
3647 bool expander = false;
3648 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3649 {
3650 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3651 if( node!=NULL && node->HasChildren() )
3652 {
3653 int indent = node->GetIndentLevel();
3654 indent = GetOwner()->GetIndent()*indent;
3655 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3656 if( rect.Contains( x, y) )
3657 {
3658 expander = true;
3659 if( node->IsOpen() )
3660 OnCollapsing(current);
3661 else
3662 OnExpanding( current );
3663 }
3664 }
3665 if (node && !node->HasChildren())
3666 delete node;
3667 }
3668 //If the user click the expander, we do not do editing even if the column with expander are editable
3669 if (m_lastOnSame && !expander && !ignore_other_columns)
3670 {
3671 if ((col == m_currentCol) && (current == m_currentRow) &&
3672 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3673 {
3674 m_renameTimer->Start( 100, true );
3675 }
3676 }
3677
3678 m_lastOnSame = false;
3679 m_lineSelectSingleOnUp = (unsigned int)-1;
3680 }
3681 else
3682 {
3683 // This is necessary, because after a DnD operation in
3684 // from and to ourself, the up event is swallowed by the
3685 // DnD code. So on next non-up event (which means here and
3686 // now) m_lineSelectSingleOnUp should be reset.
3687 m_lineSelectSingleOnUp = (unsigned int)-1;
3688 }
3689
3690 if (event.RightDown())
3691 {
3692 m_lineBeforeLastClicked = m_lineLastClicked;
3693 m_lineLastClicked = current;
3694
3695 // If the item is already selected, do not update the selection.
3696 // Multi-selections should not be cleared if a selected item is clicked.
3697 if (!IsRowSelected(current))
3698 {
3699 SelectAllRows(false);
3700 ChangeCurrentRow(current);
3701 SelectRow(m_currentRow,true);
3702 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3703 }
3704
3705 wxVariant value;
3706 model->GetValue( value, item, col->GetModelColumn() );
3707 wxWindow *parent = GetParent();
3708 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3709 le.SetItem( item );
3710 le.SetEventObject(parent);
3711 le.SetModel(GetOwner()->GetModel());
3712 le.SetValue(value);
3713 parent->GetEventHandler()->ProcessEvent(le);
3714 }
3715 else if (event.MiddleDown())
3716 {
3717 }
3718 if (event.LeftDown() || forceClick)
3719 {
3720 SetFocus();
3721
3722 m_lineBeforeLastClicked = m_lineLastClicked;
3723 m_lineLastClicked = current;
3724
3725 unsigned int oldCurrentRow = m_currentRow;
3726 bool oldWasSelected = IsRowSelected(m_currentRow);
3727
3728 bool cmdModifierDown = event.CmdDown();
3729 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3730 {
3731 if ( IsSingleSel() || !IsRowSelected(current) )
3732 {
3733 SelectAllRows( false );
3734 ChangeCurrentRow(current);
3735 SelectRow(m_currentRow,true);
3736 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3737 }
3738 else // multi sel & current is highlighted & no mod keys
3739 {
3740 m_lineSelectSingleOnUp = current;
3741 ChangeCurrentRow(current); // change focus
3742 }
3743 }
3744 else // multi sel & either ctrl or shift is down
3745 {
3746 if (cmdModifierDown)
3747 {
3748 ChangeCurrentRow(current);
3749 ReverseRowSelection(m_currentRow);
3750 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3751 }
3752 else if (event.ShiftDown())
3753 {
3754 ChangeCurrentRow(current);
3755
3756 unsigned int lineFrom = oldCurrentRow,
3757 lineTo = current;
3758
3759 if ( lineTo < lineFrom )
3760 {
3761 lineTo = lineFrom;
3762 lineFrom = m_currentRow;
3763 }
3764
3765 SelectRows(lineFrom, lineTo, true);
3766 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3767 }
3768 else // !ctrl, !shift
3769 {
3770 // test in the enclosing if should make it impossible
3771 wxFAIL_MSG( _T("how did we get here?") );
3772 }
3773 }
3774
3775 if (m_currentRow != oldCurrentRow)
3776 RefreshRow( oldCurrentRow );
3777
3778 wxDataViewColumn *oldCurrentCol = m_currentCol;
3779
3780 // Update selection here...
3781 m_currentCol = col;
3782
3783 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3784 (current == oldCurrentRow)) && oldWasSelected;
3785
3786 // Call LeftClick after everything else as under GTK+
3787 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3788 {
3789 // notify cell about right click
3790 wxVariant value;
3791 model->GetValue( value, item, col->GetModelColumn() );
3792 cell->SetValue( value );
3793 wxRect cell_rect( xpos, current * m_lineHeight,
3794 col->GetWidth(), m_lineHeight );
3795 /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
3796 }
3797 }
3798 }
3799
3800 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3801 {
3802 m_hasFocus = true;
3803
3804 if (HasCurrentRow())
3805 Refresh();
3806
3807 event.Skip();
3808 }
3809
3810 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3811 {
3812 m_hasFocus = false;
3813
3814 if (HasCurrentRow())
3815 Refresh();
3816
3817 event.Skip();
3818 }
3819
3820 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3821 {
3822 if( m_selection.GetCount() != 1 )
3823 return wxDataViewItem();
3824
3825 return GetItemByRow( m_selection.Item(0));
3826 }
3827
3828 //-----------------------------------------------------------------------------
3829 // wxDataViewCtrl
3830 //-----------------------------------------------------------------------------
3831 WX_DEFINE_LIST(wxDataViewColumnList)
3832
3833 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3834
3835 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3836 EVT_SIZE(wxDataViewCtrl::OnSize)
3837 END_EVENT_TABLE()
3838
3839 wxDataViewCtrl::~wxDataViewCtrl()
3840 {
3841 if (m_notifier)
3842 GetModel()->RemoveNotifier( m_notifier );
3843
3844 wxDataViewColumnList::const_iterator iter;
3845 for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3846 {
3847 delete *iter;
3848 }
3849 }
3850
3851 void wxDataViewCtrl::Init()
3852 {
3853 m_notifier = NULL;
3854 }
3855
3856 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3857 const wxPoint& pos, const wxSize& size,
3858 long style, const wxValidator& validator )
3859 {
3860 if ( (style & wxBORDER_MASK) == 0)
3861 style |= wxBORDER_SUNKEN;
3862
3863 if (!wxControl::Create( parent, id, pos, size,
3864 style | wxScrolledWindowStyle, validator))
3865 return false;
3866
3867 SetInitialSize(size);
3868
3869 Init();
3870
3871 #ifdef __WXMAC__
3872 MacSetClipChildren( true ) ;
3873 #endif
3874
3875 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3876
3877 if (HasFlag(wxDV_NO_HEADER))
3878 m_headerArea = NULL;
3879 else
3880 m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3881
3882 SetTargetWindow( m_clientArea );
3883
3884 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3885 if (m_headerArea)
3886 sizer->Add( m_headerArea, 0, wxGROW );
3887 sizer->Add( m_clientArea, 1, wxGROW );
3888 SetSizer( sizer );
3889
3890 return true;
3891 }
3892
3893 #ifdef __WXMSW__
3894 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3895 WXWPARAM wParam,
3896 WXLPARAM lParam)
3897 {
3898 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3899
3900 #ifndef __WXWINCE__
3901 // we need to process arrows ourselves for scrolling
3902 if ( nMsg == WM_GETDLGCODE )
3903 {
3904 rc |= DLGC_WANTARROWS;
3905 }
3906 #endif
3907
3908 return rc;
3909 }
3910 #endif
3911
3912 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3913 {
3914 // We need to override OnSize so that our scrolled
3915 // window a) does call Layout() to use sizers for
3916 // positioning the controls but b) does not query
3917 // the sizer for their size and use that for setting
3918 // the scrollable area as set that ourselves by
3919 // calling SetScrollbar() further down.
3920
3921 Layout();
3922
3923 AdjustScrollbars();
3924 }
3925
3926 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3927 {
3928 if (!wxDataViewCtrlBase::AssociateModel( model ))
3929 return false;
3930
3931 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3932
3933 model->AddNotifier( m_notifier );
3934
3935 m_clientArea->DestroyTree();
3936
3937 m_clientArea->BuildTree(model);
3938
3939 m_clientArea->UpdateDisplay();
3940
3941 return true;
3942 }
3943
3944 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3945 {
3946 if (!wxDataViewCtrlBase::AppendColumn(col))
3947 return false;
3948
3949 m_cols.Append( col );
3950 OnColumnChange();
3951 return true;
3952 }
3953
3954 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3955 {
3956 if (!wxDataViewCtrlBase::PrependColumn(col))
3957 return false;
3958
3959 m_cols.Insert( col );
3960 OnColumnChange();
3961 return true;
3962 }
3963
3964 void wxDataViewCtrl::OnColumnChange()
3965 {
3966 if (m_headerArea)
3967 m_headerArea->UpdateDisplay();
3968
3969 m_clientArea->UpdateDisplay();
3970 }
3971
3972 void wxDataViewCtrl::DoSetExpanderColumn()
3973 {
3974 m_clientArea->UpdateDisplay();
3975 }
3976
3977 void wxDataViewCtrl::DoSetIndent()
3978 {
3979 m_clientArea->UpdateDisplay();
3980 }
3981
3982 unsigned int wxDataViewCtrl::GetColumnCount() const
3983 {
3984 return m_cols.GetCount();
3985 }
3986
3987 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
3988 {
3989 wxDataViewColumnList::const_iterator iter;
3990 unsigned int i = 0;
3991 for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3992 {
3993 if (i == pos)
3994 return *iter;
3995
3996 if ((*iter)->IsHidden())
3997 continue;
3998 i ++;
3999 }
4000 return NULL;
4001 }
4002
4003 void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos )
4004 {
4005 if (new_pos > m_cols.GetCount()) return;
4006 m_cols.DeleteObject( col );
4007 m_cols.Insert( new_pos, col );
4008
4009 m_clientArea->UpdateDisplay();
4010 }
4011
4012 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4013 {
4014 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4015 if (!ret)
4016 return false;
4017
4018 m_cols.Erase(ret);
4019 delete column;
4020 OnColumnChange();
4021
4022 return true;
4023 }
4024
4025 bool wxDataViewCtrl::ClearColumns()
4026 {
4027 m_cols.clear();
4028 OnColumnChange();
4029 return true;
4030 }
4031
4032 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4033 {
4034 int ret = 0, dead = 0;
4035 int len = GetColumnCount();
4036 for (int i=0; i<len; i++)
4037 {
4038 wxDataViewColumn * col = GetColumn(i);
4039 if (col->IsHidden())
4040 continue;
4041 ret += col->GetWidth();
4042 if (column==col)
4043 {
4044 CalcScrolledPosition( ret, dead, &ret, &dead );
4045 break;
4046 }
4047 }
4048 return ret;
4049 }
4050
4051 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4052 {
4053 return NULL;
4054 }
4055
4056 //Selection code with wxDataViewItem as parameters
4057 wxDataViewItem wxDataViewCtrl::GetSelection() const
4058 {
4059 return m_clientArea->GetSelection();
4060 }
4061
4062 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4063 {
4064 sel.Empty();
4065 wxDataViewSelection selection = m_clientArea->GetSelections();
4066 int len = selection.GetCount();
4067 for( int i = 0; i < len; i ++)
4068 {
4069 unsigned int row = selection[i];
4070 sel.Add( m_clientArea->GetItemByRow( row ) );
4071 }
4072 return len;
4073 }
4074
4075 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4076 {
4077 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4078 int len = sel.GetCount();
4079 for( int i = 0; i < len; i ++ )
4080 {
4081 int row = m_clientArea->GetRowByItem( sel[i] );
4082 if( row >= 0 )
4083 selection.Add( static_cast<unsigned int>(row) );
4084 }
4085 m_clientArea->SetSelections( selection );
4086 }
4087
4088 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4089 {
4090 int row = m_clientArea->GetRowByItem( item );
4091 if( row >= 0 )
4092 {
4093 //Unselect all rows before select another in the single select mode
4094 if (m_clientArea->IsSingleSel())
4095 m_clientArea->SelectAllRows(false);
4096 m_clientArea->SelectRow(row, true);
4097 }
4098 }
4099
4100 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4101 {
4102 int row = m_clientArea->GetRowByItem( item );
4103 if( row >= 0 )
4104 m_clientArea->SelectRow(row, false);
4105 }
4106
4107 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4108 {
4109 int row = m_clientArea->GetRowByItem( item );
4110 if( row >= 0 )
4111 {
4112 return m_clientArea->IsRowSelected(row);
4113 }
4114 return false;
4115 }
4116
4117 //Selection code with row number as parameter
4118 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4119 {
4120 sel.Empty();
4121 wxDataViewSelection selection = m_clientArea->GetSelections();
4122 int len = selection.GetCount();
4123 for( int i = 0; i < len; i ++)
4124 {
4125 unsigned int row = selection[i];
4126 sel.Add( row );
4127 }
4128 return len;
4129 }
4130
4131 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4132 {
4133 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4134 int len = sel.GetCount();
4135 for( int i = 0; i < len; i ++ )
4136 {
4137 int row = sel[i];
4138 if( row >= 0 )
4139 selection.Add( static_cast<unsigned int>(row) );
4140 }
4141 m_clientArea->SetSelections( selection );
4142 }
4143
4144 void wxDataViewCtrl::Select( int row )
4145 {
4146 if( row >= 0 )
4147 {
4148 if (m_clientArea->IsSingleSel())
4149 m_clientArea->SelectAllRows(false);
4150 m_clientArea->SelectRow( row, true );
4151 }
4152 }
4153
4154 void wxDataViewCtrl::Unselect( int row )
4155 {
4156 if( row >= 0 )
4157 m_clientArea->SelectRow(row, false);
4158 }
4159
4160 bool wxDataViewCtrl::IsSelected( int row ) const
4161 {
4162 if( row >= 0 )
4163 return m_clientArea->IsRowSelected(row);
4164 return false;
4165 }
4166
4167 void wxDataViewCtrl::SelectRange( int from, int to )
4168 {
4169 wxArrayInt sel;
4170 for( int i = from; i < to; i ++ )
4171 sel.Add( i );
4172 m_clientArea->Select(sel);
4173 }
4174
4175 void wxDataViewCtrl::UnselectRange( int from, int to )
4176 {
4177 wxDataViewSelection sel = m_clientArea->GetSelections();
4178 for( int i = from; i < to; i ++ )
4179 if( sel.Index( i ) != wxNOT_FOUND )
4180 sel.Remove( i );
4181 m_clientArea->SetSelections(sel);
4182 }
4183
4184 void wxDataViewCtrl::SelectAll()
4185 {
4186 m_clientArea->SelectAllRows(true);
4187 }
4188
4189 void wxDataViewCtrl::UnselectAll()
4190 {
4191 m_clientArea->SelectAllRows(false);
4192 }
4193
4194 void wxDataViewCtrl::EnsureVisible( int row, int column )
4195 {
4196 if( row < 0 )
4197 row = 0;
4198 if( row > (int) m_clientArea->GetRowCount() )
4199 row = m_clientArea->GetRowCount();
4200
4201 int first = m_clientArea->GetFirstVisibleRow();
4202 int last = m_clientArea->GetLastVisibleRow();
4203 if( row < first )
4204 m_clientArea->ScrollTo( row, column );
4205 else if( row > last )
4206 m_clientArea->ScrollTo( row - last + first, column );
4207 else
4208 m_clientArea->ScrollTo( first, column );
4209 }
4210
4211 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4212 {
4213 int row = m_clientArea->GetRowByItem(item);
4214 if( row >= 0 )
4215 {
4216 if( column == NULL )
4217 EnsureVisible(row, -1);
4218 else
4219 {
4220 int col = 0;
4221 int len = GetColumnCount();
4222 for( int i = 0; i < len; i ++ )
4223 if( GetColumn(i) == column )
4224 {
4225 col = i;
4226 break;
4227 }
4228 EnsureVisible( row, col );
4229 }
4230 }
4231
4232 }
4233
4234 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4235 {
4236 m_clientArea->HitTest(point, item, column);
4237 }
4238
4239 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4240 {
4241 return m_clientArea->GetItemRect(item, column);
4242 }
4243
4244 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4245 {
4246 return m_clientArea->GetItemByRow( row );
4247 }
4248
4249 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4250 {
4251 return m_clientArea->GetRowByItem( item );
4252 }
4253
4254 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4255 {
4256 int row = m_clientArea->GetRowByItem( item );
4257 if (row != -1)
4258 m_clientArea->Expand(row);
4259 }
4260
4261 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4262 {
4263 int row = m_clientArea->GetRowByItem( item );
4264 if (row != -1)
4265 m_clientArea->Collapse(row);
4266 }
4267
4268 #endif
4269 // !wxUSE_GENERICDATAVIEWCTRL
4270
4271 #endif
4272 // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)