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[wxWidgets.git] / src / generic / datavgen.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/datavgen.cpp
3 // Purpose: wxDataViewCtrl generic implementation
4 // Author: Robert Roebling
5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_DATAVIEWCTRL
19
20 #include "wx/dataview.h"
21
22 #ifdef wxUSE_GENERICDATAVIEWCTRL
23
24 #ifndef WX_PRECOMP
25 #ifdef __WXMSW__
26 #include "wx/msw/private.h"
27 #include "wx/msw/wrapwin.h"
28 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
29 #endif
30 #include "wx/sizer.h"
31 #include "wx/log.h"
32 #include "wx/dcclient.h"
33 #include "wx/timer.h"
34 #include "wx/settings.h"
35 #include "wx/msgdlg.h"
36 #include "wx/dcscreen.h"
37 #endif
38
39 #include "wx/stockitem.h"
40 #include "wx/calctrl.h"
41 #include "wx/popupwin.h"
42 #include "wx/renderer.h"
43 #include "wx/dcbuffer.h"
44 #include "wx/icon.h"
45 #include "wx/list.h"
46 #include "wx/listimpl.cpp"
47
48 //-----------------------------------------------------------------------------
49 // classes
50 //-----------------------------------------------------------------------------
51
52 class wxDataViewCtrl;
53
54 static const int SCROLL_UNIT_X = 15;
55
56 // the cell padding on the left/right
57 static const int PADDING_RIGHTLEFT = 3;
58
59 // the expander space margin
60 static const int EXPANDER_MARGIN = 4;
61
62 //-----------------------------------------------------------------------------
63 // wxDataViewHeaderWindow
64 //-----------------------------------------------------------------------------
65
66 #define USE_NATIVE_HEADER_WINDOW 1
67
68 //Below is the compare stuff
69 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
70 static wxDataViewModel * g_model;
71 static int g_column = -2;
72 static bool g_asending = true;
73
74 // NB: for some reason, this class must be dllexport'ed or we get warnings from
75 // MSVC in DLL build
76 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
77 {
78 public:
79 wxDataViewHeaderWindowBase()
80 { m_owner = NULL; }
81
82 bool Create(wxDataViewCtrl *parent, wxWindowID id,
83 const wxPoint &pos, const wxSize &size,
84 const wxString &name)
85 {
86 return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
87 }
88
89 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
90 wxDataViewCtrl *GetOwner() { return m_owner; }
91
92 // called on column addition/removal
93 virtual void UpdateDisplay() { /* by default, do nothing */ }
94
95 // returns the n-th column
96 virtual wxDataViewColumn *GetColumn(unsigned int n)
97 {
98 wxASSERT(m_owner);
99 wxDataViewColumn *ret = m_owner->GetColumn(n);
100 wxASSERT(ret);
101
102 return ret;
103 }
104
105 protected:
106 wxDataViewCtrl *m_owner;
107
108 // sends an event generated from the n-th wxDataViewColumn
109 void SendEvent(wxEventType type, unsigned int n);
110 };
111
112 // on wxMSW the header window (only that part however) can be made native!
113 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
114
115 #define COLUMN_WIDTH_OFFSET 2
116 #define wxDataViewHeaderWindowMSW wxDataViewHeaderWindow
117
118 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
119 {
120 public:
121
122 wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
123 wxWindowID id,
124 const wxPoint &pos = wxDefaultPosition,
125 const wxSize &size = wxDefaultSize,
126 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
127 {
128 Create(parent, id, pos, size, name);
129 }
130
131 bool Create(wxDataViewCtrl *parent, wxWindowID id,
132 const wxPoint &pos, const wxSize &size,
133 const wxString &name);
134
135 ~wxDataViewHeaderWindowMSW();
136
137 // called when any column setting is changed and/or changed
138 // the column count
139 virtual void UpdateDisplay();
140
141 // called Refresh afterwards
142 virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
143
144 protected:
145 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
146
147 virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
148
149 wxSize DoGetBestSize() const;
150
151 unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
152
153 wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
154 { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
155
156 int m_scrollOffsetX;
157 int m_buttonHeight;
158
159 private:
160 DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
161 };
162
163 #else // !defined(__WXMSW__)
164
165 #define HEADER_WINDOW_HEIGHT 25
166 #define HEADER_HORIZ_BORDER 5
167 #define HEADER_VERT_BORDER 3
168 #define wxGenericDataViewHeaderWindow wxDataViewHeaderWindow
169
170 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
171 {
172 public:
173 wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
174 wxWindowID id,
175 const wxPoint &pos = wxDefaultPosition,
176 const wxSize &size = wxDefaultSize,
177 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
178 {
179 Init();
180 Create(parent, id, pos, size, name);
181 }
182
183 bool Create(wxDataViewCtrl *parent, wxWindowID id,
184 const wxPoint &pos, const wxSize &size,
185 const wxString &name);
186
187 ~wxGenericDataViewHeaderWindow()
188 {
189 delete m_resizeCursor;
190 }
191
192 virtual void UpdateDisplay() { Refresh(); }
193
194 // event handlers:
195
196 void OnPaint( wxPaintEvent &event );
197 void OnMouse( wxMouseEvent &event );
198 void OnSetFocus( wxFocusEvent &event );
199
200
201 protected:
202
203 // vars used for column resizing:
204
205 wxCursor *m_resizeCursor;
206 const wxCursor *m_currentCursor;
207 bool m_isDragging;
208
209 bool m_dirty; // needs refresh?
210 int m_hover; // index of the column under the mouse
211 int m_column; // index of the column being resized
212 int m_currentX; // divider line position in logical (unscrolled) coords
213 int m_minX; // minimal position beyond which the divider line
214 // can't be dragged in logical coords
215
216 // the pen used to draw the current column width drag line
217 // when resizing the columsn
218 wxPen m_penCurrent;
219
220
221 // internal utilities:
222
223 void Init()
224 {
225 m_currentCursor = (wxCursor *) NULL;
226 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
227
228 m_isDragging = false;
229 m_dirty = false;
230
231 m_hover = wxNOT_FOUND;
232 m_column = wxNOT_FOUND;
233 m_currentX = 0;
234 m_minX = 0;
235
236 wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
237 m_penCurrent = wxPen(col, 1, wxSOLID);
238 }
239
240 void AdjustDC(wxDC& dc);
241
242 private:
243 DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
244 DECLARE_EVENT_TABLE()
245 };
246
247 #endif // defined(__WXMSW__)
248
249 //-----------------------------------------------------------------------------
250 // wxDataViewRenameTimer
251 //-----------------------------------------------------------------------------
252
253 class wxDataViewRenameTimer: public wxTimer
254 {
255 private:
256 wxDataViewMainWindow *m_owner;
257
258 public:
259 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
260 void Notify();
261 };
262
263 //-----------------------------------------------------------------------------
264 // wxDataViewTreeNode
265 //-----------------------------------------------------------------------------
266 class wxDataViewTreeNode;
267 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
268 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
269
270 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
271 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
272
273 class wxDataViewTreeNode
274 {
275 public:
276 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
277 {
278 m_parent = parent;
279 if (!parent)
280 m_open = true;
281 else
282 m_open = false;
283 m_hasChildren = false;
284 m_subTreeCount = 0;
285 }
286
287 ~wxDataViewTreeNode()
288 {
289 }
290
291 wxDataViewTreeNode * GetParent() { return m_parent; }
292 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
293 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
294 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
295
296 void AddNode( wxDataViewTreeNode * node )
297 {
298 m_leaves.Add( node->GetItem().GetID() );
299 if (g_column >= -1)
300 m_leaves.Sort( &wxGenericTreeModelItemCmp );
301 m_nodes.Add( node );
302 if (g_column >= -1)
303 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
304 }
305 void AddLeaf( void * leaf )
306 {
307 m_leaves.Add( leaf );
308 if (g_column >= -1)
309 m_leaves.Sort( &wxGenericTreeModelItemCmp );
310 }
311
312 wxDataViewItem & GetItem() { return m_item; }
313 void SetItem( const wxDataViewItem & item ) { m_item = item; }
314
315 unsigned int GetChildrenNumber() { return m_leaves.GetCount(); }
316 unsigned int GetNodeNumber() { return m_nodes.GetCount(); }
317 int GetIndentLevel()
318 {
319 int ret = 0 ;
320 wxDataViewTreeNode * node = this;
321 while( node->GetParent()->GetParent() != NULL )
322 {
323 node = node->GetParent();
324 ret ++;
325 }
326 return ret;
327 }
328
329 bool IsOpen()
330 {
331 return m_open ;
332 }
333
334 void ToggleOpen()
335 {
336 int len = m_nodes.GetCount();
337 int sum = 0;
338 for ( int i = 0 ;i < len ; i ++)
339 sum += m_nodes[i]->GetSubTreeCount();
340
341 sum += m_leaves.GetCount();
342 if (m_open)
343 {
344 ChangeSubTreeCount(-sum);
345 m_open = !m_open;
346 }
347 else
348 {
349 m_open = !m_open;
350 ChangeSubTreeCount(sum);
351 }
352 }
353 bool HasChildren() { return m_hasChildren; }
354 void SetHasChildren( bool has ){ m_hasChildren = has; }
355
356 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
357 int GetSubTreeCount() { return m_subTreeCount; }
358 void ChangeSubTreeCount( int num )
359 {
360 if( !m_open )
361 return ;
362 m_subTreeCount += num;
363 if( m_parent )
364 m_parent->ChangeSubTreeCount(num);
365 }
366
367 void Resort()
368 {
369 if (g_column >= -1)
370 {
371 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
372 int len = m_nodes.GetCount();
373 for (int i = 0; i < len; i ++)
374 m_nodes[i]->Resort();
375 m_leaves.Sort( &wxGenericTreeModelItemCmp );
376 }
377 }
378
379 private:
380 wxDataViewTreeNode *m_parent;
381 wxDataViewTreeNodes m_nodes;
382 wxDataViewTreeLeaves m_leaves;
383 wxDataViewItem m_item;
384 bool m_open;
385 bool m_hasChildren;
386 int m_subTreeCount;
387 };
388
389 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
390 {
391 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
392 }
393
394 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
395 {
396 return g_model->Compare( *id1, *id2, g_column, g_asending );
397 }
398
399
400
401 //-----------------------------------------------------------------------------
402 // wxDataViewMainWindow
403 //-----------------------------------------------------------------------------
404
405 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
406 WXDLLIMPEXP_ADV);
407 WX_DECLARE_LIST(wxDataViewItem, ItemList);
408 WX_DEFINE_LIST(ItemList)
409
410 class wxDataViewMainWindow: public wxWindow
411 {
412 public:
413 wxDataViewMainWindow( wxDataViewCtrl *parent,
414 wxWindowID id,
415 const wxPoint &pos = wxDefaultPosition,
416 const wxSize &size = wxDefaultSize,
417 const wxString &name = wxT("wxdataviewctrlmainwindow") );
418 virtual ~wxDataViewMainWindow();
419
420 // notifications from wxDataViewModel
421 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
422 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
423 bool ItemChanged( const wxDataViewItem &item );
424 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
425 bool Cleared();
426 void Resort()
427 {
428 if (m_root)
429 {
430 SortPrepare();
431 m_root->Resort();
432 }
433 UpdateDisplay();
434 }
435
436 void SortPrepare()
437 {
438 g_model = GetOwner()->GetModel();
439 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
440 if( !col )
441 {
442 if (g_model->HasDefaultCompare())
443 g_column = -1;
444 else
445 g_column = -2;
446
447 g_asending = true;
448 return;
449 }
450 g_column = col->GetModelColumn();
451 g_asending = col->IsSortOrderAscending();
452 }
453
454 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
455 wxDataViewCtrl *GetOwner() { return m_owner; }
456 const wxDataViewCtrl *GetOwner() const { return m_owner; }
457
458 void OnPaint( wxPaintEvent &event );
459 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
460 void OnChar( wxKeyEvent &event );
461 void OnMouse( wxMouseEvent &event );
462 void OnSetFocus( wxFocusEvent &event );
463 void OnKillFocus( wxFocusEvent &event );
464
465 void UpdateDisplay();
466 void RecalculateDisplay();
467 void OnInternalIdle();
468
469 void OnRenameTimer();
470
471 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
472 void ScrollTo( int rows, int column );
473
474 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
475 void ChangeCurrentRow( unsigned int row );
476
477 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
478 bool IsEmpty() { return GetRowCount() == 0; }
479
480 int GetCountPerPage() const;
481 int GetEndOfLastCol() const;
482 unsigned int GetFirstVisibleRow() const;
483 //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
484 unsigned int GetLastVisibleRow();
485 unsigned int GetRowCount() ;
486
487 wxDataViewItem GetSelection() const;
488 wxDataViewSelection GetSelections(){ return m_selection; }
489 void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
490 void Select( const wxArrayInt& aSelections );
491 void SelectAllRows( bool on );
492 void SelectRow( unsigned int row, bool on );
493 void SelectRows( unsigned int from, unsigned int to, bool on );
494 void ReverseRowSelection( unsigned int row );
495 bool IsRowSelected( unsigned int row );
496 void SendSelectionChangedEvent( const wxDataViewItem& item);
497
498 void RefreshRow( unsigned int row );
499 void RefreshRows( unsigned int from, unsigned int to );
500 void RefreshRowsAfter( unsigned int firstRow );
501
502 // returns the colour to be used for drawing the rules
503 wxColour GetRuleColour() const
504 {
505 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
506 }
507
508 wxRect GetLineRect( unsigned int row ) const;
509
510 //Some useful functions for row and item mapping
511 wxDataViewItem GetItemByRow( unsigned int row ) const;
512 int GetRowByItem( const wxDataViewItem & item );
513
514 //Methods for building the mapping tree
515 void BuildTree( wxDataViewModel * model );
516 void DestroyTree();
517 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
518 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
519
520 void Expand( unsigned int row ) { OnExpanding( row ); }
521 void Collapse( unsigned int row ) { OnCollapsing( row ); }
522 private:
523 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
524 //We did not need this temporarily
525 //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
526
527 int RecalculateCount() ;
528
529 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
530 void OnExpanding( unsigned int row );
531 void OnCollapsing( unsigned int row );
532
533 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
534
535 private:
536 wxDataViewCtrl *m_owner;
537 int m_lineHeight;
538 bool m_dirty;
539
540 wxDataViewColumn *m_currentCol;
541 unsigned int m_currentRow;
542 wxDataViewSelection m_selection;
543
544 wxDataViewRenameTimer *m_renameTimer;
545 bool m_lastOnSame;
546
547 bool m_hasFocus;
548
549 int m_dragCount;
550 wxPoint m_dragStart;
551
552 // for double click logic
553 unsigned int m_lineLastClicked,
554 m_lineBeforeLastClicked,
555 m_lineSelectSingleOnUp;
556
557 // the pen used to draw horiz/vertical rules
558 wxPen m_penRule;
559
560 // the pen used to draw the expander and the lines
561 wxPen m_penExpander;
562
563 //This is the tree structure of the model
564 wxDataViewTreeNode * m_root;
565 int m_count;
566 //This is the tree node under the cursor
567 wxDataViewTreeNode * m_underMouse;
568 private:
569 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
570 DECLARE_EVENT_TABLE()
571 };
572
573 // ---------------------------------------------------------
574 // wxGenericDataViewModelNotifier
575 // ---------------------------------------------------------
576
577 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
578 {
579 public:
580 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
581 { m_mainWindow = mainWindow; }
582
583 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
584 { return m_mainWindow->ItemAdded( parent , item ); }
585 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
586 { return m_mainWindow->ItemDeleted( parent, item ); }
587 virtual bool ItemChanged( const wxDataViewItem & item )
588 { return m_mainWindow->ItemChanged(item); }
589 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
590 { return m_mainWindow->ValueChanged( item, col ); }
591 virtual bool Cleared()
592 { return m_mainWindow->Cleared(); }
593 virtual void Resort()
594 { m_mainWindow->Resort(); }
595
596 wxDataViewMainWindow *m_mainWindow;
597 };
598
599 // ---------------------------------------------------------
600 // wxDataViewRenderer
601 // ---------------------------------------------------------
602
603 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
604
605 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
606 wxDataViewCellMode mode,
607 int align) :
608 wxDataViewRendererBase( varianttype, mode, align )
609 {
610 m_dc = NULL;
611 m_align = align;
612 m_mode = mode;
613 m_wantsAttr = false;
614 m_hasAttr = false;
615 }
616
617 wxDataViewRenderer::~wxDataViewRenderer()
618 {
619 if (m_dc)
620 delete m_dc;
621 }
622
623 wxDC *wxDataViewRenderer::GetDC()
624 {
625 if (m_dc == NULL)
626 {
627 if (GetOwner() == NULL)
628 return NULL;
629 if (GetOwner()->GetOwner() == NULL)
630 return NULL;
631 m_dc = new wxClientDC( GetOwner()->GetOwner() );
632 }
633
634 return m_dc;
635 }
636
637 // ---------------------------------------------------------
638 // wxDataViewCustomRenderer
639 // ---------------------------------------------------------
640
641 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
642
643 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
644 wxDataViewCellMode mode, int align ) :
645 wxDataViewRenderer( varianttype, mode, align )
646 {
647 }
648
649 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
650 {
651 wxDataViewCtrl *view = GetOwner()->GetOwner();
652 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
653 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
654 view->GetForegroundColour();
655 dc->SetTextForeground(col);
656 dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
657 }
658
659 // ---------------------------------------------------------
660 // wxDataViewTextRenderer
661 // ---------------------------------------------------------
662
663 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
664
665 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
666 wxDataViewCellMode mode, int align ) :
667 wxDataViewCustomRenderer( varianttype, mode, align )
668 {
669 }
670
671 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
672 {
673 m_text = value.GetString();
674
675 return true;
676 }
677
678 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
679 {
680 return false;
681 }
682
683 bool wxDataViewTextRenderer::HasEditorCtrl()
684 {
685 return true;
686 }
687
688 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
689 wxRect labelRect, const wxVariant &value )
690 {
691 return new wxTextCtrl( parent, wxID_ANY, value,
692 wxPoint(labelRect.x,labelRect.y),
693 wxSize(labelRect.width,labelRect.height) );
694 }
695
696 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
697 {
698 wxTextCtrl *text = (wxTextCtrl*) editor;
699 value = text->GetValue();
700 return true;
701 }
702
703 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
704 {
705 RenderText( m_text, 0, cell, dc, state );
706 return true;
707 }
708
709 wxSize wxDataViewTextRenderer::GetSize() const
710 {
711 const wxDataViewCtrl *view = GetView();
712 if (!m_text.empty())
713 {
714 int x,y;
715 view->GetTextExtent( m_text, &x, &y );
716 return wxSize( x, y );
717 }
718 return wxSize(80,20);
719 }
720
721 // ---------------------------------------------------------
722 // wxDataViewTextRendererAttr
723 // ---------------------------------------------------------
724
725 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
726
727 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
728 wxDataViewCellMode mode, int align ) :
729 wxDataViewTextRenderer( varianttype, mode, align )
730 {
731 m_wantsAttr = true;
732 }
733
734 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
735 {
736 wxFont font;
737 wxColour colour;
738
739 if (m_hasAttr)
740 {
741 if (m_attr.HasColour())
742 {
743 colour = dc->GetTextForeground();
744 dc->SetTextForeground( m_attr.GetColour() );
745 }
746
747 if (m_attr.GetBold() || m_attr.GetItalic())
748 {
749 font = dc->GetFont();
750 wxFont myfont = font;
751 if (m_attr.GetBold())
752 myfont.SetWeight( wxFONTWEIGHT_BOLD );
753 if (m_attr.GetItalic())
754 myfont.SetStyle( wxFONTSTYLE_ITALIC );
755 dc->SetFont( myfont );
756 }
757 }
758
759 dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
760
761 // restore dc
762 if (m_hasAttr)
763 {
764 if (m_attr.HasColour())
765 dc->SetTextForeground( colour );
766
767 if (m_attr.GetBold() || m_attr.GetItalic())
768 dc->SetFont( font );
769 }
770
771 return true;
772 }
773
774
775 // ---------------------------------------------------------
776 // wxDataViewBitmapRenderer
777 // ---------------------------------------------------------
778
779 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
780
781 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
782 wxDataViewCellMode mode, int align ) :
783 wxDataViewCustomRenderer( varianttype, mode, align )
784 {
785 }
786
787 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
788 {
789 if (value.GetType() == wxT("wxBitmap"))
790 m_bitmap << value;
791 if (value.GetType() == wxT("wxIcon"))
792 m_icon << value;
793
794 return true;
795 }
796
797 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
798 {
799 return false;
800 }
801
802 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
803 {
804 if (m_bitmap.Ok())
805 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
806 else if (m_icon.Ok())
807 dc->DrawIcon( m_icon, cell.x, cell.y );
808
809 return true;
810 }
811
812 wxSize wxDataViewBitmapRenderer::GetSize() const
813 {
814 if (m_bitmap.Ok())
815 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
816 else if (m_icon.Ok())
817 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
818
819 return wxSize(16,16);
820 }
821
822 // ---------------------------------------------------------
823 // wxDataViewToggleRenderer
824 // ---------------------------------------------------------
825
826 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
827
828 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
829 wxDataViewCellMode mode, int align ) :
830 wxDataViewCustomRenderer( varianttype, mode, align )
831 {
832 m_toggle = false;
833 }
834
835 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
836 {
837 m_toggle = value.GetBool();
838
839 return true;
840 }
841
842 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
843 {
844 return false;
845 }
846
847 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
848 {
849 // User wxRenderer here
850
851 wxRect rect;
852 rect.x = cell.x + cell.width/2 - 10;
853 rect.width = 20;
854 rect.y = cell.y + cell.height/2 - 10;
855 rect.height = 20;
856
857 int flags = 0;
858 if (m_toggle)
859 flags |= wxCONTROL_CHECKED;
860 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
861 flags |= wxCONTROL_DISABLED;
862
863 wxRendererNative::Get().DrawCheckBox(
864 GetOwner()->GetOwner(),
865 *dc,
866 rect,
867 flags );
868
869 return true;
870 }
871
872 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
873 wxDataViewModel *model,
874 const wxDataViewItem & item, unsigned int col)
875 {
876 bool value = !m_toggle;
877 wxVariant variant = value;
878 model->SetValue( variant, item, col);
879 model->ValueChanged( item, col );
880 return true;
881 }
882
883 wxSize wxDataViewToggleRenderer::GetSize() const
884 {
885 return wxSize(20,20);
886 }
887
888 // ---------------------------------------------------------
889 // wxDataViewProgressRenderer
890 // ---------------------------------------------------------
891
892 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
893
894 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
895 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
896 wxDataViewCustomRenderer( varianttype, mode, align )
897 {
898 m_label = label;
899 m_value = 0;
900 }
901
902 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
903 {
904 }
905
906 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
907 {
908 m_value = (long) value;
909
910 if (m_value < 0) m_value = 0;
911 if (m_value > 100) m_value = 100;
912
913 return true;
914 }
915
916 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
917 {
918 value = (long) m_value;
919 return true;
920 }
921
922 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
923 {
924 double pct = (double)m_value / 100.0;
925 wxRect bar = cell;
926 bar.width = (int)(cell.width * pct);
927 dc->SetPen( *wxTRANSPARENT_PEN );
928 dc->SetBrush( *wxBLUE_BRUSH );
929 dc->DrawRectangle( bar );
930
931 dc->SetBrush( *wxTRANSPARENT_BRUSH );
932 dc->SetPen( *wxBLACK_PEN );
933 dc->DrawRectangle( cell );
934
935 return true;
936 }
937
938 wxSize wxDataViewProgressRenderer::GetSize() const
939 {
940 return wxSize(40,12);
941 }
942
943 // ---------------------------------------------------------
944 // wxDataViewDateRenderer
945 // ---------------------------------------------------------
946
947 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
948
949 #if wxUSE_DATE_RENDERER_POPUP
950
951 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
952 {
953 public:
954 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
955 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
956 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
957 m_item( item )
958 {
959 m_model = model;
960 m_col = col;
961 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
962 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
963 sizer->Add( m_cal, 1, wxGROW );
964 SetSizer( sizer );
965 sizer->Fit( this );
966 }
967
968 void OnCalendar( wxCalendarEvent &event );
969
970 wxCalendarCtrl *m_cal;
971 wxDataViewModel *m_model;
972 unsigned int m_col;
973 const wxDataViewItem & m_item;
974
975 protected:
976 virtual void OnDismiss()
977 {
978 }
979
980 private:
981 DECLARE_EVENT_TABLE()
982 };
983
984 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
985 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
986 END_EVENT_TABLE()
987
988 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
989 {
990 wxDateTime date = event.GetDate();
991 wxVariant value = date;
992 m_model->SetValue( value, m_item, m_col );
993 m_model->ValueChanged( m_item, m_col );
994 DismissAndNotify();
995 }
996
997 #endif // wxUSE_DATE_RENDERER_POPUP
998
999 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1000
1001 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1002 wxDataViewCellMode mode, int align ) :
1003 wxDataViewCustomRenderer( varianttype, mode, align )
1004 {
1005 }
1006
1007 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1008 {
1009 m_date = value.GetDateTime();
1010
1011 return true;
1012 }
1013
1014 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1015 {
1016 value = m_date;
1017 return true;
1018 }
1019
1020 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1021 {
1022 wxString tmp = m_date.FormatDate();
1023 RenderText( tmp, 0, cell, dc, state );
1024 return true;
1025 }
1026
1027 wxSize wxDataViewDateRenderer::GetSize() const
1028 {
1029 const wxDataViewCtrl* view = GetView();
1030 wxString tmp = m_date.FormatDate();
1031 wxCoord x,y,d;
1032 view->GetTextExtent( tmp, &x, &y, &d );
1033 return wxSize(x,y+d);
1034 }
1035
1036 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1037 const wxDataViewItem & item, unsigned int col )
1038 {
1039 wxVariant variant;
1040 model->GetValue( variant, item, col );
1041 wxDateTime value = variant.GetDateTime();
1042
1043 #if wxUSE_DATE_RENDERER_POPUP
1044 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1045 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1046 wxPoint pos = wxGetMousePosition();
1047 popup->Move( pos );
1048 popup->Layout();
1049 popup->Popup( popup->m_cal );
1050 #else // !wxUSE_DATE_RENDERER_POPUP
1051 wxMessageBox(value.Format());
1052 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1053 return true;
1054 }
1055
1056 // ---------------------------------------------------------
1057 // wxDataViewIconTextRenderer
1058 // ---------------------------------------------------------
1059
1060 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1061
1062 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1063 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1064 wxDataViewCustomRenderer( varianttype, mode, align )
1065 {
1066 SetMode(mode);
1067 SetAlignment(align);
1068 }
1069
1070 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1071 {
1072 }
1073
1074 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1075 {
1076 m_value << value;
1077 return true;
1078 }
1079
1080 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1081 {
1082 return false;
1083 }
1084
1085 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1086 {
1087 int xoffset = 0;
1088 const wxIcon &icon = m_value.GetIcon();
1089 if (icon.IsOk())
1090 {
1091 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1092 xoffset = icon.GetWidth()+4;
1093 }
1094
1095 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1096
1097 return true;
1098 }
1099
1100 wxSize wxDataViewIconTextRenderer::GetSize() const
1101 {
1102 const wxDataViewCtrl *view = GetView();
1103 if (!m_value.GetText().empty())
1104 {
1105 int x,y;
1106 view->GetTextExtent( m_value.GetText(), &x, &y );
1107
1108 if (m_value.GetIcon().IsOk())
1109 x += m_value.GetIcon().GetWidth() + 4;
1110 return wxSize( x, y );
1111 }
1112 return wxSize(80,20);
1113 }
1114
1115 wxControl *
1116 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1117 wxRect WXUNUSED(labelRect),
1118 const wxVariant& WXUNUSED(value))
1119 {
1120 return NULL;
1121 }
1122
1123 bool
1124 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1125 wxVariant& WXUNUSED(value))
1126 {
1127 return false;
1128 }
1129
1130 // ---------------------------------------------------------
1131 // wxDataViewColumn
1132 // ---------------------------------------------------------
1133
1134 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
1135
1136 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
1137 unsigned int model_column,
1138 int width, wxAlignment align, int flags ) :
1139 wxDataViewColumnBase( title, cell, model_column, width, align, flags )
1140 {
1141 SetAlignment(align);
1142 SetTitle(title);
1143 SetFlags(flags);
1144
1145 Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
1146 }
1147
1148 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
1149 unsigned int model_column,
1150 int width, wxAlignment align, int flags ) :
1151 wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
1152 {
1153 SetAlignment(align);
1154 SetFlags(flags);
1155
1156 Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
1157 }
1158
1159 wxDataViewColumn::~wxDataViewColumn()
1160 {
1161 }
1162
1163 void wxDataViewColumn::Init( int width )
1164 {
1165 m_width = width;
1166 m_minWidth = wxDVC_DEFAULT_MINWIDTH;
1167 m_ascending = true;
1168 }
1169
1170 void wxDataViewColumn::SetResizeable( bool resizeable )
1171 {
1172 if (resizeable)
1173 m_flags |= wxDATAVIEW_COL_RESIZABLE;
1174 else
1175 m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
1176 }
1177
1178 void wxDataViewColumn::SetHidden( bool hidden )
1179 {
1180 if (hidden)
1181 m_flags |= wxDATAVIEW_COL_HIDDEN;
1182 else
1183 m_flags &= ~wxDATAVIEW_COL_HIDDEN;
1184
1185 // tell our owner to e.g. update its scrollbars:
1186 if (GetOwner())
1187 GetOwner()->OnColumnChange();
1188 }
1189
1190 void wxDataViewColumn::SetSortable( bool sortable )
1191 {
1192 if (sortable)
1193 m_flags |= wxDATAVIEW_COL_SORTABLE;
1194 else
1195 m_flags &= ~wxDATAVIEW_COL_SORTABLE;
1196
1197 // Update header button
1198 if (GetOwner())
1199 GetOwner()->OnColumnChange();
1200 }
1201
1202 void wxDataViewColumn::SetSortOrder( bool ascending )
1203 {
1204 m_ascending = ascending;
1205
1206 // Update header button
1207 if (GetOwner())
1208 GetOwner()->OnColumnChange();
1209 }
1210
1211 bool wxDataViewColumn::IsSortOrderAscending() const
1212 {
1213 return m_ascending;
1214 }
1215
1216 void wxDataViewColumn::SetInternalWidth( int width )
1217 {
1218 m_width = width;
1219
1220 // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1221 if (m_owner && m_owner->m_clientArea)
1222 m_owner->m_clientArea->RecalculateDisplay();
1223 }
1224
1225 void wxDataViewColumn::SetWidth( int width )
1226 {
1227 m_owner->m_headerArea->UpdateDisplay();
1228
1229 SetInternalWidth(width);
1230 }
1231
1232
1233 //-----------------------------------------------------------------------------
1234 // wxDataViewHeaderWindowBase
1235 //-----------------------------------------------------------------------------
1236
1237 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1238 {
1239 wxWindow *parent = GetParent();
1240 wxDataViewEvent le(type, parent->GetId());
1241
1242 le.SetEventObject(parent);
1243 le.SetColumn(n);
1244 le.SetDataViewColumn(GetColumn(n));
1245 le.SetModel(GetOwner()->GetModel());
1246
1247 // for events created by wxDataViewHeaderWindow the
1248 // row / value fields are not valid
1249
1250 parent->GetEventHandler()->ProcessEvent(le);
1251 }
1252
1253 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
1254
1255 #ifndef HDS_DRAGDROP
1256 #define HDS_DRAGDROP 0x0040
1257 #endif
1258 #ifndef HDS_FULLDRAG
1259 #define HDS_FULLDRAG 0x0080
1260 #endif
1261
1262 // implemented in msw/listctrl.cpp:
1263 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1264
1265 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1266
1267 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1268 const wxPoint &pos, const wxSize &size,
1269 const wxString &name )
1270 {
1271 m_owner = parent;
1272
1273 m_scrollOffsetX = 0;
1274 m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this ) + 10;
1275
1276 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1277 y = pos.y == wxDefaultCoord ? 0 : pos.y,
1278 w = size.x == wxDefaultCoord ? 1 : size.x,
1279 h = size.y == wxDefaultCoord ? m_buttonHeight : size.y;
1280
1281 if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
1282 return false;
1283
1284 // create the native WC_HEADER window:
1285 WXHWND hwndParent = (HWND)parent->GetHandle();
1286 WXDWORD msStyle = WS_CHILD | HDS_DRAGDROP | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1287
1288 if ( m_isShown )
1289 msStyle |= WS_VISIBLE;
1290
1291 m_hWnd = CreateWindowEx(0,
1292 WC_HEADER,
1293 (LPCTSTR) NULL,
1294 msStyle,
1295 x, y, w, h,
1296 (HWND)hwndParent,
1297 (HMENU)-1,
1298 wxGetInstance(),
1299 (LPVOID) NULL);
1300 if (m_hWnd == NULL)
1301 {
1302 wxLogLastError(_T("CreateWindowEx"));
1303 return false;
1304 }
1305
1306 // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1307 // to call wxDataViewHeaderWindow::MSWOnNotify
1308 SubclassWin(m_hWnd);
1309
1310 // the following is required to get the default win's font for
1311 // header windows and must be done befor sending the HDM_LAYOUT msg
1312 SetFont(GetFont());
1313
1314 return true;
1315 }
1316
1317 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1318 {
1319 UnsubclassWin();
1320 }
1321
1322 wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
1323 {
1324 return wxSize(80, m_buttonHeight );
1325 }
1326
1327 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1328 {
1329 // remove old columns
1330 for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1331 Header_DeleteItem((HWND)m_hWnd, 0);
1332
1333 // add the updated array of columns to the header control
1334 unsigned int cols = GetOwner()->GetColumnCount();
1335 unsigned int added = 0;
1336 for (unsigned int i = 0; i < cols; i++)
1337 {
1338 wxDataViewColumn *col = GetColumn( i );
1339 if (col->IsHidden())
1340 continue; // don't add it!
1341
1342 HDITEM hdi;
1343 hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1344 hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1345 hdi.cxy = col->GetWidth();
1346 hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1347 hdi.fmt = HDF_LEFT | HDF_STRING;
1348 //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1349
1350 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1351 {
1352 //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1353 //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1354 // VZ: works with 5.81
1355 hdi.fmt |= col->IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
1356 }
1357
1358 // lParam is reserved for application's use:
1359 // we store there the column index to use it later in MSWOnNotify
1360 // (since columns may have been hidden)
1361 hdi.lParam = (LPARAM)i;
1362
1363 // the native wxMSW implementation of the header window
1364 // draws the column separator COLUMN_WIDTH_OFFSET pixels
1365 // on the right: to correct this effect we make the column
1366 // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1367 if (i == 0)
1368 hdi.cxy += COLUMN_WIDTH_OFFSET;
1369
1370 switch (col->GetAlignment())
1371 {
1372 case wxALIGN_LEFT:
1373 hdi.fmt |= HDF_LEFT;
1374 break;
1375 case wxALIGN_CENTER:
1376 case wxALIGN_CENTER_HORIZONTAL:
1377 hdi.fmt |= HDF_CENTER;
1378 break;
1379 case wxALIGN_RIGHT:
1380 hdi.fmt |= HDF_RIGHT;
1381 break;
1382
1383 default:
1384 // such alignment is not allowed for the column header!
1385 break; // wxFAIL;
1386 }
1387
1388 SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1389 (WPARAM)added, (LPARAM)&hdi);
1390 added++;
1391 }
1392 }
1393
1394 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1395 {
1396 unsigned int idx;
1397
1398 // NOTE: we don't just return nmHDR->iItem because when there are
1399 // hidden columns, nmHDR->iItem may be different from
1400 // nmHDR->pitem->lParam
1401
1402 if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1403 {
1404 idx = (unsigned int)nmHDR->pitem->lParam;
1405 return idx;
1406 }
1407
1408 HDITEM item;
1409 item.mask = HDI_LPARAM;
1410 Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1411
1412 return (unsigned int)item.lParam;
1413 }
1414
1415 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1416 {
1417 NMHDR *nmhdr = (NMHDR *)lParam;
1418
1419 // is it a message from the header?
1420 if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1421 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1422
1423 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1424 switch ( nmhdr->code )
1425 {
1426 case HDN_BEGINTRACK:
1427 // user has started to resize a column:
1428 // do we need to veto it?
1429 if (!GetColumn(nmHDR->iItem)->IsResizeable())
1430 {
1431 // veto it!
1432 *result = TRUE;
1433 }
1434 break;
1435
1436 case HDN_BEGINDRAG:
1437 // user has started to reorder a column
1438 break;
1439
1440 case HDN_ITEMCHANGING:
1441 if (nmHDR->pitem != NULL &&
1442 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1443 {
1444 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1445 if (nmHDR->pitem->cxy < minWidth)
1446 {
1447 // do not allow the user to resize this column under
1448 // its minimal width:
1449 *result = TRUE;
1450 }
1451 }
1452 break;
1453
1454 case HDN_ITEMCHANGED: // user is resizing a column
1455 case HDN_ENDTRACK: // user has finished resizing a column
1456 case HDN_ENDDRAG: // user has finished reordering a column
1457
1458 // update the width of the modified column:
1459 if (nmHDR->pitem != NULL &&
1460 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1461 {
1462 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1463 unsigned int w = nmHDR->pitem->cxy;
1464 wxDataViewColumn *col = GetColumn(idx);
1465
1466 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1467 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1468 w -= COLUMN_WIDTH_OFFSET;
1469
1470 if (w >= (unsigned)col->GetMinWidth())
1471 col->SetInternalWidth(w);
1472 }
1473 break;
1474
1475 case HDN_ITEMCLICK:
1476 {
1477 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1478 wxDataViewModel * model = GetOwner()->GetModel();
1479
1480 if(nmHDR->iButton == 0)
1481 {
1482 wxDataViewColumn *col = GetColumn(idx);
1483 if(col->IsSortable())
1484 {
1485 if(model && m_owner->GetSortingColumn() == col)
1486 {
1487 bool order = col->IsSortOrderAscending();
1488 col->SetSortOrder(!order);
1489 }
1490 else if(model)
1491 {
1492 m_owner->SetSortingColumn(col);
1493 }
1494 }
1495 UpdateDisplay();
1496 if(model)
1497 model->Resort();
1498 }
1499
1500 wxEventType evt = nmHDR->iButton == 0 ?
1501 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1502 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1503 SendEvent(evt, idx);
1504 }
1505 break;
1506
1507 case NM_RCLICK:
1508 {
1509 // NOTE: for some reason (i.e. for a bug in Windows)
1510 // the HDN_ITEMCLICK notification is not sent on
1511 // right clicks, so we need to handle NM_RCLICK
1512
1513 POINT ptClick;
1514 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1515 if (column != wxNOT_FOUND)
1516 {
1517 HDITEM item;
1518 item.mask = HDI_LPARAM;
1519 Header_GetItem((HWND)m_hWnd, column, &item);
1520
1521 // 'idx' may be different from 'column' if there are
1522 // hidden columns...
1523 unsigned int idx = (unsigned int)item.lParam;
1524 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1525 idx);
1526 }
1527 }
1528 break;
1529
1530 case HDN_GETDISPINFOW:
1531 // see wxListCtrl::MSWOnNotify for more info!
1532 break;
1533
1534 case HDN_ITEMDBLCLICK:
1535 {
1536 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1537 int w = GetOwner()->GetBestColumnWidth(idx);
1538
1539 // update the native control:
1540 HDITEM hd;
1541 ZeroMemory(&hd, sizeof(hd));
1542 hd.mask = HDI_WIDTH;
1543 hd.cxy = w;
1544 Header_SetItem(GetHwnd(),
1545 nmHDR->iItem, // NOTE: we don't want 'idx' here!
1546 &hd);
1547
1548 // update the wxDataViewColumn class:
1549 GetColumn(idx)->SetInternalWidth(w);
1550 }
1551 break;
1552
1553 default:
1554 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1555 }
1556
1557 return true;
1558 }
1559
1560 void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy),
1561 const wxRect * WXUNUSED(rect))
1562 {
1563 m_scrollOffsetX += dx;
1564
1565 GetParent()->Layout();
1566 }
1567
1568 void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
1569 int w, int h,
1570 int f)
1571 {
1572 // TODO: why is there a border + 2px around it?
1573 wxControl::DoSetSize( x+m_scrollOffsetX+1, y+1, w-m_scrollOffsetX-2, h-2, f );
1574 }
1575
1576 #else // !defined(__WXMSW__)
1577
1578 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1579 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1580 EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
1581 EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
1582 EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
1583 END_EVENT_TABLE()
1584
1585 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1586 const wxPoint &pos, const wxSize &size,
1587 const wxString &name )
1588 {
1589 m_owner = parent;
1590
1591 if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1592 return false;
1593
1594 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1595 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1596 SetOwnForegroundColour( attr.colFg );
1597 SetOwnBackgroundColour( attr.colBg );
1598 if (!m_hasFont)
1599 SetOwnFont( attr.font );
1600
1601 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1602 // a wxBoxSizer and in order to avoid super-big header windows,
1603 // we need to set our height as fixed
1604 SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1605 SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1606
1607 return true;
1608 }
1609
1610 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1611 {
1612 int w, h;
1613 GetClientSize( &w, &h );
1614
1615 wxAutoBufferedPaintDC dc( this );
1616
1617 dc.SetBackground(GetBackgroundColour());
1618 dc.Clear();
1619
1620 int xpix;
1621 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1622
1623 int x;
1624 m_owner->GetViewStart( &x, NULL );
1625
1626 // account for the horz scrollbar offset
1627 dc.SetDeviceOrigin( -x * xpix, 0 );
1628
1629 dc.SetFont( GetFont() );
1630
1631 unsigned int cols = GetOwner()->GetColumnCount();
1632 unsigned int i;
1633 int xpos = 0;
1634 for (i = 0; i < cols; i++)
1635 {
1636 wxDataViewColumn *col = GetColumn( i );
1637 if (col->IsHidden())
1638 continue; // skip it!
1639
1640 int cw = col->GetWidth();
1641 int ch = h;
1642
1643 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1644 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1645 {
1646 if (col->IsSortOrderAscending())
1647 sortArrow = wxHDR_SORT_ICON_UP;
1648 else
1649 sortArrow = wxHDR_SORT_ICON_DOWN;
1650 }
1651
1652 int state = 0;
1653 if (m_parent->IsEnabled())
1654 {
1655 if ((int) i == m_hover)
1656 state = wxCONTROL_CURRENT;
1657 }
1658 else
1659 {
1660 state = (int) wxCONTROL_DISABLED;
1661 }
1662
1663 wxRendererNative::Get().DrawHeaderButton
1664 (
1665 this,
1666 dc,
1667 wxRect(xpos, 0, cw, ch-1),
1668 state,
1669 sortArrow
1670 );
1671
1672 // align as required the column title:
1673 int x = xpos;
1674 wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1675 switch (col->GetAlignment())
1676 {
1677 case wxALIGN_LEFT:
1678 x += HEADER_HORIZ_BORDER;
1679 break;
1680 case wxALIGN_RIGHT:
1681 x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1682 break;
1683 default:
1684 case wxALIGN_CENTER:
1685 case wxALIGN_CENTER_HORIZONTAL:
1686 x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1687 break;
1688 }
1689
1690 // always center the title vertically:
1691 int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1692
1693 dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1694 HEADER_VERT_BORDER,
1695 wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
1696 wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
1697 dc.DrawText( col->GetTitle(), x, y );
1698 dc.DestroyClippingRegion();
1699
1700 xpos += cw;
1701 }
1702 }
1703
1704 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1705 {
1706 GetParent()->SetFocus();
1707 event.Skip();
1708 }
1709
1710 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1711 {
1712 // we want to work with logical coords
1713 int x;
1714 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1715 int y = event.GetY();
1716
1717 if (m_isDragging)
1718 {
1719 // we don't draw the line beyond our window,
1720 // but we allow dragging it there
1721 int w = 0;
1722 GetClientSize( &w, NULL );
1723 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1724 w -= 6;
1725
1726 if (event.ButtonUp())
1727 {
1728 m_isDragging = false;
1729 if (HasCapture())
1730 ReleaseMouse();
1731
1732 m_dirty = true;
1733 }
1734 m_currentX = wxMax(m_minX + 7, x);
1735
1736 if (m_currentX < w)
1737 {
1738 GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1739 Refresh();
1740 GetOwner()->Refresh();
1741 }
1742
1743 }
1744 else // not dragging
1745 {
1746 m_minX = 0;
1747 m_column = wxNOT_FOUND;
1748
1749 bool hit_border = false;
1750
1751 // end of the current column
1752 int xpos = 0;
1753
1754 // find the column where this event occured
1755 int countCol = m_owner->GetColumnCount();
1756 for (int column = 0; column < countCol; column++)
1757 {
1758 wxDataViewColumn *p = GetColumn(column);
1759
1760 if (p->IsHidden())
1761 continue; // skip if not shown
1762
1763 xpos += p->GetWidth();
1764 m_column = column;
1765 if ((abs(x-xpos) < 3) && (y < 22))
1766 {
1767 hit_border = true;
1768 break;
1769 }
1770
1771 if (x < xpos)
1772 {
1773 // inside the column
1774 break;
1775 }
1776
1777 m_minX = xpos;
1778 }
1779
1780 int old_hover = m_hover;
1781 m_hover = m_column;
1782 if (event.Leaving())
1783 m_hover = wxNOT_FOUND;
1784 if (old_hover != m_hover)
1785 Refresh();
1786
1787 if (m_column == wxNOT_FOUND)
1788 return;
1789
1790 bool resizeable = GetColumn(m_column)->IsResizeable();
1791 if (event.LeftDClick() && resizeable)
1792 {
1793 GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1794 Refresh();
1795 }
1796 else if (event.LeftDown() || event.RightUp())
1797 {
1798 if (hit_border && event.LeftDown() && resizeable)
1799 {
1800 m_isDragging = true;
1801 CaptureMouse();
1802 m_currentX = x;
1803 }
1804 else // click on a column
1805 {
1806 wxDataViewModel * model = GetOwner()->GetModel();
1807 wxEventType evt = event.LeftDown() ?
1808 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1809 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1810 SendEvent(evt, m_column);
1811
1812 //Left click the header
1813 if(event.LeftDown())
1814 {
1815 wxDataViewColumn *col = GetColumn(m_column);
1816 if(col->IsSortable())
1817 {
1818 wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
1819 if(model && sortCol == col)
1820 {
1821 bool order = col->IsSortOrderAscending();
1822 col->SetSortOrder(!order);
1823 }
1824 else if(model)
1825 {
1826 m_owner->SetSortingColumn(col);
1827 }
1828 }
1829 UpdateDisplay();
1830 if(model)
1831 model->Resort();
1832 //Send the column sorted event
1833 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1834 }
1835 }
1836 }
1837 else if (event.Moving())
1838 {
1839 if (hit_border && resizeable)
1840 m_currentCursor = m_resizeCursor;
1841 else
1842 m_currentCursor = wxSTANDARD_CURSOR;
1843
1844 SetCursor(*m_currentCursor);
1845 }
1846 }
1847 }
1848
1849 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1850 {
1851 int xpix, x;
1852
1853 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1854 m_owner->GetViewStart( &x, NULL );
1855
1856 // shift the DC origin to match the position of the main window horizontal
1857 // scrollbar: this allows us to always use logical coords
1858 dc.SetDeviceOrigin( -x * xpix, 0 );
1859 }
1860
1861 #endif // defined(__WXMSW__)
1862
1863 //-----------------------------------------------------------------------------
1864 // wxDataViewRenameTimer
1865 //-----------------------------------------------------------------------------
1866
1867 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1868 {
1869 m_owner = owner;
1870 }
1871
1872 void wxDataViewRenameTimer::Notify()
1873 {
1874 m_owner->OnRenameTimer();
1875 }
1876
1877 //-----------------------------------------------------------------------------
1878 // wxDataViewMainWindow
1879 //-----------------------------------------------------------------------------
1880
1881 //The tree building helper, declared firstly
1882 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1883
1884 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1885 {
1886 if (row1 > row2) return 1;
1887 if (row1 == row2) return 0;
1888 return -1;
1889 }
1890
1891
1892 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1893
1894 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1895 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1896 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1897 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1898 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1899 EVT_CHAR (wxDataViewMainWindow::OnChar)
1900 END_EVENT_TABLE()
1901
1902 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1903 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1904 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1905 m_selection( wxDataViewSelectionCmp )
1906
1907 {
1908 SetOwner( parent );
1909
1910 m_lastOnSame = false;
1911 m_renameTimer = new wxDataViewRenameTimer( this );
1912
1913 // TODO: user better initial values/nothing selected
1914 m_currentCol = NULL;
1915 m_currentRow = 0;
1916
1917 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1918
1919 m_dragCount = 0;
1920 m_dragStart = wxPoint(0,0);
1921 m_lineLastClicked = (unsigned int) -1;
1922 m_lineBeforeLastClicked = (unsigned int) -1;
1923 m_lineSelectSingleOnUp = (unsigned int) -1;
1924
1925 m_hasFocus = false;
1926
1927 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1928 SetBackgroundColour( *wxWHITE );
1929
1930 m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
1931
1932 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1933 m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
1934 //Some new added code to deal with the tree structure
1935 m_root = new wxDataViewTreeNode( NULL );
1936 m_root->SetHasChildren(true);
1937
1938 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1939 m_count = -1 ;
1940 m_underMouse = NULL;
1941 UpdateDisplay();
1942 }
1943
1944 wxDataViewMainWindow::~wxDataViewMainWindow()
1945 {
1946 DestroyTree();
1947 delete m_renameTimer;
1948 }
1949
1950 void wxDataViewMainWindow::OnRenameTimer()
1951 {
1952 // We have to call this here because changes may just have
1953 // been made and no screen update taken place.
1954 if ( m_dirty )
1955 wxSafeYield();
1956
1957 int xpos = 0;
1958 unsigned int cols = GetOwner()->GetColumnCount();
1959 unsigned int i;
1960 for (i = 0; i < cols; i++)
1961 {
1962 wxDataViewColumn *c = GetOwner()->GetColumn( i );
1963 if (c->IsHidden())
1964 continue; // skip it!
1965
1966 if (c == m_currentCol)
1967 break;
1968 xpos += c->GetWidth();
1969 }
1970 wxRect labelRect( xpos, m_currentRow * m_lineHeight,
1971 m_currentCol->GetWidth(), m_lineHeight );
1972
1973 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1974 &labelRect.x, &labelRect.y);
1975
1976 wxDataViewItem item = GetItemByRow( m_currentRow );
1977 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1978
1979 }
1980
1981 //------------------------------------------------------------------
1982 // Helper class for do operation on the tree node
1983 //------------------------------------------------------------------
1984 class DoJob
1985 {
1986 public:
1987 DoJob(){};
1988 virtual ~DoJob(){};
1989
1990 //The return value control how the tree-walker tranverse the tree
1991 // 0: Job done, stop tranverse and return
1992 // 1: Ignore the current node's subtree and continue
1993 // 2: Job not done, continue
1994 enum { OK = 0 , IGR = 1, CONT = 2 };
1995 virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
1996 virtual int operator() ( void * n ) = 0;
1997 };
1998
1999 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2000 {
2001 if( node==NULL )
2002 return false;
2003
2004 switch( func( node ) )
2005 {
2006 case DoJob::OK :
2007 return true ;
2008 case DoJob::IGR:
2009 return false;
2010 case DoJob::CONT:
2011 default:
2012 ;
2013 }
2014
2015 wxDataViewTreeNodes nodes = node->GetNodes();
2016 wxDataViewTreeLeaves leaves = node->GetChildren();
2017
2018 int len_nodes = nodes.GetCount();
2019 int len = leaves.GetCount();
2020 int i = 0, nodes_i = 0;
2021
2022 for( ; i < len ; i ++ )
2023 {
2024 void * n = leaves[i];
2025 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2026 {
2027 wxDataViewTreeNode * nd = nodes[nodes_i];
2028 nodes_i++;
2029
2030 if( Walker( nd , func ) )
2031 return true;
2032
2033 }
2034 else
2035 switch( func( n ) )
2036 {
2037 case DoJob::OK :
2038 return true ;
2039 case DoJob::IGR:
2040 continue;
2041 case DoJob::CONT:
2042 default:
2043 ;
2044 }
2045 }
2046 return false;
2047 }
2048
2049 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2050 {
2051 SortPrepare();
2052
2053 wxDataViewTreeNode * node;
2054 node = FindNode(parent);
2055
2056 if( node == NULL )
2057 return false;
2058
2059 node->SetHasChildren( true );
2060
2061 if( g_model->IsContainer( item ) )
2062 {
2063 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2064 newnode->SetItem(item);
2065 newnode->SetHasChildren( true );
2066 node->AddNode( newnode);
2067 }
2068 else
2069 node->AddLeaf( item.GetID() );
2070
2071 node->ChangeSubTreeCount(1);
2072
2073 m_count = -1;
2074 UpdateDisplay();
2075
2076 return true;
2077 }
2078
2079 void DestroyTreeHelper( wxDataViewTreeNode * node);
2080
2081 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2082 const wxDataViewItem& item)
2083 {
2084 wxDataViewTreeNode * node = FindNode(parent);
2085
2086 wxCHECK_MSG( node != NULL, false, "item not found" );
2087 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2088
2089 int sub = -1;
2090 node->GetChildren().Remove( item.GetID() );
2091 //Manuplate selection
2092 if( m_selection.GetCount() > 1 )
2093 {
2094 m_selection.Empty();
2095 }
2096 bool isContainer = false;
2097 wxDataViewTreeNodes nds = node->GetNodes();
2098 for (size_t i = 0; i < nds.GetCount(); i ++)
2099 {
2100 if (nds[i]->GetItem() == item)
2101 {
2102 isContainer = true;
2103 break;
2104 }
2105 }
2106 if( isContainer )
2107 {
2108 wxDataViewTreeNode * n = NULL;
2109 wxDataViewTreeNodes nodes = node->GetNodes();
2110 int len = nodes.GetCount();
2111 for( int i = 0 ; i < len; i ++)
2112 {
2113 if( nodes[i]->GetItem() == item )
2114 {
2115 n = nodes[i];
2116 break;
2117 }
2118 }
2119
2120 wxCHECK_MSG( n != NULL, false, "item not found" );
2121
2122 node->GetNodes().Remove( n );
2123 sub -= n->GetSubTreeCount();
2124 DestroyTreeHelper(n);
2125 }
2126 //Make the row number invalid and get a new valid one when user call GetRowCount
2127 m_count = -1;
2128 node->ChangeSubTreeCount(sub);
2129 if( node->GetChildrenNumber() == 0)
2130 {
2131 node->GetParent()->GetNodes().Remove( node );
2132 delete node;
2133 }
2134
2135 //Change the current row to the last row if the current exceed the max row number
2136 if( m_currentRow > GetRowCount() )
2137 m_currentRow = m_count - 1;
2138
2139 UpdateDisplay();
2140
2141 return true;
2142 }
2143
2144 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2145 {
2146 SortPrepare();
2147 g_model->Resort();
2148
2149 //Send event
2150 wxWindow *parent = GetParent();
2151 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2152 le.SetEventObject(parent);
2153 le.SetModel(GetOwner()->GetModel());
2154 le.SetItem(item);
2155 parent->GetEventHandler()->ProcessEvent(le);
2156
2157 return true;
2158 }
2159
2160 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2161 {
2162 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2163 /*#define MAX_VIRTUAL_WIDTH 100000
2164
2165 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2166 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2167 Refresh( true, &rect );
2168
2169 return true;
2170 */
2171 SortPrepare();
2172 g_model->Resort();
2173
2174 //Send event
2175 wxWindow *parent = GetParent();
2176 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2177 le.SetEventObject(parent);
2178 le.SetModel(GetOwner()->GetModel());
2179 le.SetItem(item);
2180 le.SetColumn(col);
2181 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2182 parent->GetEventHandler()->ProcessEvent(le);
2183
2184 return true;
2185 }
2186
2187 bool wxDataViewMainWindow::Cleared()
2188 {
2189 SortPrepare();
2190
2191 DestroyTree();
2192 UpdateDisplay();
2193
2194 return true;
2195 }
2196
2197 void wxDataViewMainWindow::UpdateDisplay()
2198 {
2199 m_dirty = true;
2200 }
2201
2202 void wxDataViewMainWindow::OnInternalIdle()
2203 {
2204 wxWindow::OnInternalIdle();
2205
2206 if (m_dirty)
2207 {
2208 RecalculateDisplay();
2209 m_dirty = false;
2210 }
2211 }
2212
2213 void wxDataViewMainWindow::RecalculateDisplay()
2214 {
2215 wxDataViewModel *model = GetOwner()->GetModel();
2216 if (!model)
2217 {
2218 Refresh();
2219 return;
2220 }
2221
2222 int width = GetEndOfLastCol();
2223 int height = GetRowCount() * m_lineHeight;
2224
2225 SetVirtualSize( width, height );
2226 GetOwner()->SetScrollRate( 10, m_lineHeight );
2227
2228 Refresh();
2229 }
2230
2231 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2232 {
2233 wxWindow::ScrollWindow( dx, dy, rect );
2234
2235 if (GetOwner()->m_headerArea)
2236 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2237 }
2238
2239 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2240 {
2241 int x, y;
2242 m_owner->GetScrollPixelsPerUnit( &x, &y );
2243 int sy = rows*m_lineHeight/y;
2244 int sx = 0;
2245 if( column != -1 )
2246 {
2247 wxRect rect = GetClientRect();
2248 int colnum = 0;
2249 int x_start = 0, x_end = 0, w = 0;
2250 int xx, yy, xe;
2251 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2252 for (x_start = 0; colnum < column; colnum++)
2253 {
2254 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2255 if (col->IsHidden())
2256 continue; // skip it!
2257
2258 w = col->GetWidth();
2259 x_start += w;
2260 }
2261
2262 x_end = x_start + w;
2263 xe = xx + rect.width;
2264 if( x_end > xe )
2265 {
2266 sx = ( xx + x_end - xe )/x;
2267 }
2268 if( x_start < xx )
2269 {
2270 sx = x_start/x;
2271 }
2272 }
2273 m_owner->Scroll( sx, sy );
2274 }
2275
2276 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
2277 {
2278 wxDataViewModel *model = GetOwner()->GetModel();
2279 //wxAutoBufferedPaintDC dc( this );
2280 wxPaintDC dc(this);
2281
2282 // prepare the DC
2283 dc.SetBackground(GetBackgroundColour());
2284 dc.Clear();
2285 GetOwner()->PrepareDC( dc );
2286 dc.SetFont( GetFont() );
2287
2288 wxRect update = GetUpdateRegion().GetBox();
2289 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
2290
2291 // compute which items needs to be redrawn
2292 unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
2293 unsigned int item_count =
2294 wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
2295 (int)(GetRowCount( ) - item_start));
2296 unsigned int item_last = item_start + item_count;
2297
2298 // compute which columns needs to be redrawn
2299 unsigned int cols = GetOwner()->GetColumnCount();
2300 unsigned int col_start = 0;
2301 unsigned int x_start = 0;
2302 for (x_start = 0; col_start < cols; col_start++)
2303 {
2304 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
2305 if (col->IsHidden())
2306 continue; // skip it!
2307
2308 unsigned int w = col->GetWidth();
2309 if (x_start+w >= (unsigned int)update.x)
2310 break;
2311
2312 x_start += w;
2313 }
2314
2315 unsigned int col_last = col_start;
2316 unsigned int x_last = x_start;
2317 for (; col_last < cols; col_last++)
2318 {
2319 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2320 if (col->IsHidden())
2321 continue; // skip it!
2322
2323 if (x_last > (unsigned int)update.GetRight())
2324 break;
2325
2326 x_last += col->GetWidth();
2327 }
2328
2329 // Draw horizontal rules if required
2330 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2331 {
2332 dc.SetPen(m_penRule);
2333 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2334
2335 for (unsigned int i = item_start; i <= item_last+1; i++)
2336 {
2337 int y = i * m_lineHeight;
2338 dc.DrawLine(x_start, y, x_last, y);
2339 }
2340 }
2341
2342 // Draw vertical rules if required
2343 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2344 {
2345 dc.SetPen(m_penRule);
2346 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2347
2348 int x = x_start;
2349 for (unsigned int i = col_start; i < col_last; i++)
2350 {
2351 wxDataViewColumn *col = GetOwner()->GetColumn(i);
2352 if (col->IsHidden())
2353 continue; // skip it
2354
2355 dc.DrawLine(x, item_start * m_lineHeight,
2356 x, item_last * m_lineHeight);
2357
2358 x += col->GetWidth();
2359 }
2360
2361 // Draw last vertical rule
2362 dc.DrawLine(x, item_start * m_lineHeight,
2363 x, item_last * m_lineHeight);
2364 }
2365
2366 // redraw the background for the items which are selected/current
2367 for (unsigned int item = item_start; item < item_last; item++)
2368 {
2369 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2370 if (selected || item == m_currentRow)
2371 {
2372 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2373 if (item == m_currentRow)
2374 flags |= wxCONTROL_CURRENT;
2375 if (m_hasFocus)
2376 flags |= wxCONTROL_FOCUSED;
2377
2378 wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2379 wxRendererNative::Get().DrawItemSelectionRect
2380 (
2381 this,
2382 dc,
2383 rect,
2384 flags
2385 );
2386 }
2387 }
2388
2389 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
2390 if (!expander)
2391 {
2392 // TODO: last column for RTL support
2393 expander = GetOwner()->GetColumn( 0 );
2394 GetOwner()->SetExpanderColumn(expander);
2395 }
2396
2397 // redraw all cells for all rows which must be repainted and for all columns
2398 wxRect cell_rect;
2399 cell_rect.x = x_start;
2400 cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
2401 for (unsigned int i = col_start; i < col_last; i++)
2402 {
2403 wxDataViewColumn *col = GetOwner()->GetColumn( i );
2404 wxDataViewRenderer *cell = col->GetRenderer();
2405 cell_rect.width = col->GetWidth();
2406
2407 if (col->IsHidden())
2408 continue; // skipt it!
2409
2410
2411 for (unsigned int item = item_start; item < item_last; item++)
2412 {
2413 // get the cell value and set it into the renderer
2414 wxVariant value;
2415 wxDataViewTreeNode *node = NULL;
2416 wxDataViewItem dataitem;
2417
2418 if (m_root)
2419 {
2420 node = GetTreeNodeByRow(item);
2421 if( node == NULL )
2422 continue;
2423
2424 dataitem = node->GetItem();
2425
2426 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
2427 continue;
2428 }
2429 else
2430 {
2431 dataitem = wxDataViewItem( (void*) item );
2432 }
2433
2434 model->GetValue( value, dataitem, col->GetModelColumn());
2435 cell->SetValue( value );
2436
2437 if (cell->GetWantsAttr())
2438 {
2439 wxDataViewItemAttr attr;
2440 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
2441 if (ret)
2442 cell->SetAttr( attr );
2443 cell->SetHasAttr( ret );
2444 }
2445
2446 // update the y offset
2447 cell_rect.y = item * m_lineHeight;
2448
2449 //Draw the expander here.
2450 int indent = 0;
2451 if ((m_root) && (col == expander))
2452 {
2453 indent = node->GetIndentLevel();
2454
2455 //Calculate the indent first
2456 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2457
2458 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2459 // change the cell_rect.x to the appropriate pos
2460 int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2461 indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
2462 dc.SetPen( m_penExpander );
2463 dc.SetBrush( wxNullBrush );
2464 if( node->HasChildren() )
2465 {
2466 wxRect rect( expander_x , expander_y, expander_width, expander_width);
2467 int flag = 0;
2468 if (m_underMouse == node)
2469 {
2470 flag |= wxCONTROL_CURRENT;
2471 }
2472 if( node->IsOpen() )
2473 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
2474 else
2475 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2476 }
2477 else
2478 {
2479 // I am wondering whether we should draw dot lines between tree nodes
2480 if (node)
2481 delete node;
2482 // Yes, if the node does not have any child, it must be a leaf which
2483 // mean that it is a temporarily created by GetTreeNodeByRow
2484 }
2485
2486 //force the expander column to left-center align
2487 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2488 }
2489
2490
2491 // cannot be bigger than allocated space
2492 wxSize size = cell->GetSize();
2493 // Because of the tree structure indent, here we should minus the width of the cell for drawing
2494 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2495 // size.y = wxMin( size.y, cell_rect.height );
2496 size.y = cell_rect.height;
2497
2498 wxRect item_rect(cell_rect.GetTopLeft(), size);
2499 int align = cell->GetAlignment();
2500
2501 // horizontal alignment:
2502 item_rect.x = cell_rect.x;
2503 if (align & wxALIGN_CENTER_HORIZONTAL)
2504 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2505 else if (align & wxALIGN_RIGHT)
2506 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2507 //else: wxALIGN_LEFT is the default
2508
2509 // vertical alignment:
2510 item_rect.y = cell_rect.y;
2511 if (align & wxALIGN_CENTER_VERTICAL)
2512 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2513 else if (align & wxALIGN_BOTTOM)
2514 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2515 //else: wxALIGN_TOP is the default
2516
2517 // add padding
2518 item_rect.x += PADDING_RIGHTLEFT;
2519 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2520
2521 //Here we add the tree indent
2522 item_rect.x += indent;
2523
2524 int state = 0;
2525 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
2526 state |= wxDATAVIEW_CELL_SELECTED;
2527
2528 // TODO: it would be much more efficient to create a clipping
2529 // region for the entire column being rendered (in the OnPaint
2530 // of wxDataViewMainWindow) instead of a single clip region for
2531 // each cell. However it would mean that each renderer should
2532 // respect the given wxRect's top & bottom coords, eventually
2533 // violating only the left & right coords - however the user can
2534 // make its own renderer and thus we cannot be sure of that.
2535 dc.SetClippingRegion( item_rect );
2536 cell->Render( item_rect, &dc, state );
2537 dc.DestroyClippingRegion();
2538 }
2539
2540 cell_rect.x += cell_rect.width;
2541 }
2542 }
2543
2544 int wxDataViewMainWindow::GetCountPerPage() const
2545 {
2546 wxSize size = GetClientSize();
2547 return size.y / m_lineHeight;
2548 }
2549
2550 int wxDataViewMainWindow::GetEndOfLastCol() const
2551 {
2552 int width = 0;
2553 unsigned int i;
2554 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2555 {
2556 const wxDataViewColumn *c =
2557 wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2558
2559 if (!c->IsHidden())
2560 width += c->GetWidth();
2561 }
2562 return width;
2563 }
2564
2565 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2566 {
2567 int x = 0;
2568 int y = 0;
2569 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2570
2571 return y / m_lineHeight;
2572 }
2573
2574 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2575 {
2576 wxSize client_size = GetClientSize();
2577 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2578 &client_size.x, &client_size.y );
2579
2580 //we should deal with the pixel here
2581 unsigned int row = ((client_size.y)/m_lineHeight) - 1;
2582
2583 return wxMin( GetRowCount()-1, row );
2584 }
2585
2586 unsigned int wxDataViewMainWindow::GetRowCount()
2587 {
2588 if ( m_count == -1 )
2589 {
2590 m_count = RecalculateCount();
2591 int width, height;
2592 GetVirtualSize( &width, &height );
2593 height = m_count * m_lineHeight;
2594
2595 SetVirtualSize( width, height );
2596 }
2597 return m_count;
2598 }
2599
2600 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2601 {
2602 m_currentRow = row;
2603
2604 // send event
2605 }
2606
2607 void wxDataViewMainWindow::SelectAllRows( bool on )
2608 {
2609 if (IsEmpty())
2610 return;
2611
2612 if (on)
2613 {
2614 m_selection.Clear();
2615 for (unsigned int i = 0; i < GetRowCount(); i++)
2616 m_selection.Add( i );
2617 Refresh();
2618 }
2619 else
2620 {
2621 unsigned int first_visible = GetFirstVisibleRow();
2622 unsigned int last_visible = GetLastVisibleRow();
2623 unsigned int i;
2624 for (i = 0; i < m_selection.GetCount(); i++)
2625 {
2626 unsigned int row = m_selection[i];
2627 if ((row >= first_visible) && (row <= last_visible))
2628 RefreshRow( row );
2629 }
2630 m_selection.Clear();
2631 }
2632 }
2633
2634 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2635 {
2636 if (m_selection.Index( row ) == wxNOT_FOUND)
2637 {
2638 if (on)
2639 {
2640 m_selection.Add( row );
2641 RefreshRow( row );
2642 }
2643 }
2644 else
2645 {
2646 if (!on)
2647 {
2648 m_selection.Remove( row );
2649 RefreshRow( row );
2650 }
2651 }
2652 }
2653
2654 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2655 {
2656 if (from > to)
2657 {
2658 unsigned int tmp = from;
2659 from = to;
2660 to = tmp;
2661 }
2662
2663 unsigned int i;
2664 for (i = from; i <= to; i++)
2665 {
2666 if (m_selection.Index( i ) == wxNOT_FOUND)
2667 {
2668 if (on)
2669 m_selection.Add( i );
2670 }
2671 else
2672 {
2673 if (!on)
2674 m_selection.Remove( i );
2675 }
2676 }
2677 RefreshRows( from, to );
2678 }
2679
2680 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2681 {
2682 for (size_t i=0; i < aSelections.GetCount(); i++)
2683 {
2684 int n = aSelections[i];
2685
2686 m_selection.Add( n );
2687 RefreshRow( n );
2688 }
2689 }
2690
2691 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2692 {
2693 if (m_selection.Index( row ) == wxNOT_FOUND)
2694 m_selection.Add( row );
2695 else
2696 m_selection.Remove( row );
2697 RefreshRow( row );
2698 }
2699
2700 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2701 {
2702 return (m_selection.Index( row ) != wxNOT_FOUND);
2703 }
2704
2705 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2706 {
2707 wxWindow *parent = GetParent();
2708 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2709
2710 le.SetEventObject(parent);
2711 le.SetModel(GetOwner()->GetModel());
2712 le.SetItem( item );
2713
2714 parent->GetEventHandler()->ProcessEvent(le);
2715 }
2716
2717 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2718 {
2719 wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2720 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2721
2722 wxSize client_size = GetClientSize();
2723 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2724 wxRect intersect_rect = client_rect.Intersect( rect );
2725 if (intersect_rect.width > 0)
2726 Refresh( true, &intersect_rect );
2727 }
2728
2729 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2730 {
2731 if (from > to)
2732 {
2733 unsigned int tmp = to;
2734 to = from;
2735 from = tmp;
2736 }
2737
2738 wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2739 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2740
2741 wxSize client_size = GetClientSize();
2742 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2743 wxRect intersect_rect = client_rect.Intersect( rect );
2744 if (intersect_rect.width > 0)
2745 Refresh( true, &intersect_rect );
2746 }
2747
2748 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2749 {
2750 unsigned int count = GetRowCount();
2751 if (firstRow > count)
2752 return;
2753
2754 wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2755 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2756
2757 wxSize client_size = GetClientSize();
2758 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2759 wxRect intersect_rect = client_rect.Intersect( rect );
2760 if (intersect_rect.width > 0)
2761 Refresh( true, &intersect_rect );
2762 }
2763
2764 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2765 {
2766 wxCHECK_RET( newCurrent < GetRowCount(),
2767 _T("invalid item index in OnArrowChar()") );
2768
2769 // if there is no selection, we cannot move it anywhere
2770 if (!HasCurrentRow())
2771 return;
2772
2773 unsigned int oldCurrent = m_currentRow;
2774
2775 // in single selection we just ignore Shift as we can't select several
2776 // items anyhow
2777 if ( event.ShiftDown() && !IsSingleSel() )
2778 {
2779 RefreshRow( oldCurrent );
2780
2781 ChangeCurrentRow( newCurrent );
2782
2783 // select all the items between the old and the new one
2784 if ( oldCurrent > newCurrent )
2785 {
2786 newCurrent = oldCurrent;
2787 oldCurrent = m_currentRow;
2788 }
2789
2790 SelectRows( oldCurrent, newCurrent, true );
2791 if (oldCurrent!=newCurrent)
2792 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2793 }
2794 else // !shift
2795 {
2796 RefreshRow( oldCurrent );
2797
2798 // all previously selected items are unselected unless ctrl is held
2799 if ( !event.ControlDown() )
2800 SelectAllRows(false);
2801
2802 ChangeCurrentRow( newCurrent );
2803
2804 if ( !event.ControlDown() )
2805 {
2806 SelectRow( m_currentRow, true );
2807 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2808 }
2809 else
2810 RefreshRow( m_currentRow );
2811 }
2812
2813 GetOwner()->EnsureVisible( m_currentRow, -1 );
2814 }
2815
2816 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2817 {
2818 wxRect rect;
2819 rect.x = 0;
2820 rect.y = m_lineHeight * row;
2821 rect.width = GetEndOfLastCol();
2822 rect.height = m_lineHeight;
2823
2824 return rect;
2825 }
2826
2827 class RowToItemJob: public DoJob
2828 {
2829 public:
2830 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2831 virtual ~RowToItemJob(){};
2832
2833 virtual int operator() ( wxDataViewTreeNode * node )
2834 {
2835 current ++;
2836 if( current == static_cast<int>(row))
2837 {
2838 ret = node->GetItem() ;
2839 return DoJob::OK;
2840 }
2841
2842 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2843 {
2844 current += node->GetSubTreeCount();
2845 return DoJob::IGR;
2846 }
2847 else
2848 {
2849 //If the current has no child node, we can find the desired item of the row number directly.
2850 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2851 if( node->GetNodes().GetCount() == 0)
2852 {
2853 int index = static_cast<int>(row) - current - 1;
2854 ret = node->GetChildren().Item( index );
2855 return DoJob::OK;
2856 }
2857 return DoJob::CONT;
2858 }
2859 }
2860
2861 virtual int operator() ( void * n )
2862 {
2863 current ++;
2864 if( current == static_cast<int>(row))
2865 {
2866 ret = wxDataViewItem( n ) ;
2867 return DoJob::OK;
2868 }
2869 return DoJob::CONT;
2870 }
2871 wxDataViewItem GetResult(){ return ret; }
2872 private:
2873 unsigned int row;
2874 int current ;
2875 wxDataViewItem ret;
2876 };
2877
2878 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2879 {
2880 if (!m_root)
2881 {
2882 return wxDataViewItem( (void*) row );
2883 }
2884 else
2885 {
2886 RowToItemJob job( row, -2 );
2887 Walker( m_root , job );
2888 return job.GetResult();
2889 }
2890 }
2891
2892 class RowToTreeNodeJob: public DoJob
2893 {
2894 public:
2895 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2896 {
2897 this->row = row;
2898 this->current = current ;
2899 ret = NULL ;
2900 parent = node;
2901 }
2902 virtual ~RowToTreeNodeJob(){};
2903
2904 virtual int operator() ( wxDataViewTreeNode * node )
2905 {
2906 current ++;
2907 if( current == static_cast<int>(row))
2908 {
2909 ret = node ;
2910 return DoJob::OK;
2911 }
2912
2913 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2914 {
2915 current += node->GetSubTreeCount();
2916 return DoJob::IGR;
2917 }
2918 else
2919 {
2920 parent = node;
2921 //If the current has no child node, we can find the desired item of the row number directly.
2922 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2923 if( node->GetNodes().GetCount() == 0)
2924 {
2925 int index = static_cast<int>(row) - current - 1;
2926 void * n = node->GetChildren().Item( index );
2927 ret = new wxDataViewTreeNode( parent ) ;
2928 ret->SetItem( wxDataViewItem( n ));
2929 ret->SetHasChildren(false);
2930 return DoJob::OK;
2931 }
2932 return DoJob::CONT;
2933 }
2934
2935
2936 }
2937
2938 virtual int operator() ( void * n )
2939 {
2940 current ++;
2941 if( current == static_cast<int>(row))
2942 {
2943 ret = new wxDataViewTreeNode( parent ) ;
2944 ret->SetItem( wxDataViewItem( n ));
2945 ret->SetHasChildren(false);
2946 return DoJob::OK;
2947 }
2948
2949 return DoJob::CONT;
2950 }
2951 wxDataViewTreeNode * GetResult(){ return ret; }
2952 private:
2953 unsigned int row;
2954 int current ;
2955 wxDataViewTreeNode * ret;
2956 wxDataViewTreeNode * parent ;
2957 };
2958
2959
2960 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
2961 {
2962 if (!m_root)
2963 {
2964 return NULL;
2965 }
2966 else
2967 {
2968 RowToTreeNodeJob job( row , -2, m_root );
2969 Walker( m_root , job );
2970 return job.GetResult();
2971 }
2972 }
2973
2974 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2975 {
2976 wxWindow *parent = GetParent();
2977 wxDataViewEvent le(type, parent->GetId());
2978
2979 le.SetEventObject(parent);
2980 le.SetModel(GetOwner()->GetModel());
2981 le.SetItem( item );
2982
2983 parent->GetEventHandler()->ProcessEvent(le);
2984 return le;
2985 }
2986
2987 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2988 {
2989 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2990 if( node != NULL )
2991 {
2992 if( node->HasChildren())
2993 {
2994 if( !node->IsOpen())
2995 {
2996 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
2997 //Check if the user prevent expanding
2998 if( e.GetSkipped() )
2999 return;
3000
3001 node->ToggleOpen();
3002 //Here I build the children of current node
3003 if( node->GetChildrenNumber() == 0 )
3004 {
3005 SortPrepare();
3006 BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
3007 }
3008 m_count = -1;
3009 UpdateDisplay();
3010 //Send the expanded event
3011 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3012 }
3013 else
3014 {
3015 SelectRow( row, false );
3016 SelectRow( row + 1, true );
3017 ChangeCurrentRow( row + 1 );
3018 SendSelectionChangedEvent( GetItemByRow(row+1));
3019 }
3020 }
3021 else
3022 delete node;
3023 }
3024 }
3025
3026 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
3027 {
3028 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3029 if( node != NULL )
3030 {
3031 wxDataViewTreeNode * nd = node;
3032
3033 if( node->HasChildren() && node->IsOpen() )
3034 {
3035 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3036 if( e.GetSkipped() )
3037 return;
3038 node->ToggleOpen();
3039 m_count = -1;
3040 UpdateDisplay();
3041 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
3042 }
3043 else
3044 {
3045 node = node->GetParent();
3046 if( node != NULL )
3047 {
3048 int parent = GetRowByItem( node->GetItem() ) ;
3049 if( parent >= 0 )
3050 {
3051 SelectRow( row, false);
3052 SelectRow(parent , true );
3053 ChangeCurrentRow( parent );
3054 SendSelectionChangedEvent( node->GetItem() );
3055 }
3056 }
3057 }
3058 if( !nd->HasChildren())
3059 delete nd;
3060 }
3061 }
3062
3063 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3064 {
3065 wxDataViewModel * model = GetOwner()->GetModel();
3066 if( model == NULL )
3067 return NULL;
3068
3069 //Compose the a parent-chain of the finding item
3070 ItemList list;
3071 list.DeleteContents( true );
3072 wxDataViewItem it( item );
3073 while( it.IsOk() )
3074 {
3075 wxDataViewItem * pItem = new wxDataViewItem( it );
3076 list.Insert( pItem );
3077 it = model->GetParent( it );
3078 }
3079
3080 //Find the item along the parent-chain.
3081 //This algorithm is designed to speed up the node-finding method
3082 wxDataViewTreeNode * node = m_root;
3083 for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )
3084 {
3085 if( node->HasChildren() )
3086 {
3087 if( node->GetChildrenNumber() == 0 )
3088 {
3089 SortPrepare();
3090 BuildTreeHelper(model, node->GetItem(), node);
3091 }
3092
3093 wxDataViewTreeNodes nodes = node->GetNodes();
3094 unsigned int i = 0;
3095 for (; i < nodes.GetCount(); i ++)
3096 {
3097 if (nodes[i]->GetItem() == (**iter))
3098 {
3099 node = nodes[i];
3100 break;
3101 }
3102 }
3103 if (i == nodes.GetCount())
3104 return NULL;
3105 }
3106 else
3107 return NULL;
3108 }
3109 return node;
3110 }
3111
3112 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3113 {
3114 wxDataViewColumn *col = NULL;
3115 unsigned int cols = GetOwner()->GetColumnCount();
3116 unsigned int colnum = 0;
3117 unsigned int x_start = 0;
3118 int x, y;
3119 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3120 for (x_start = 0; colnum < cols; colnum++)
3121 {
3122 col = GetOwner()->GetColumn(colnum);
3123 if (col->IsHidden())
3124 continue; // skip it!
3125
3126 unsigned int w = col->GetWidth();
3127 if (x_start+w >= (unsigned int)x)
3128 break;
3129
3130 x_start += w;
3131 }
3132
3133 column = col;
3134 item = GetItemByRow( y/m_lineHeight );
3135 }
3136
3137 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3138 {
3139 int row = GetRowByItem(item);
3140 int y = row*m_lineHeight;
3141 int h = m_lineHeight;
3142 int x = 0;
3143 wxDataViewColumn *col = NULL;
3144 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3145 {
3146 col = GetOwner()->GetColumn( i );
3147 x += col->GetWidth();
3148 if( GetOwner()->GetColumn(i+1) == column )
3149 break;
3150 }
3151 int w = col->GetWidth();
3152 m_owner->CalcScrolledPosition( x, y, &x, &y );
3153 return wxRect(x, y, w, h);
3154 }
3155
3156 int wxDataViewMainWindow::RecalculateCount()
3157 {
3158 if (!m_root)
3159 {
3160 wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3161 #ifndef __WXMAC__
3162 return list_model->GetLastIndex() + 1;
3163 #else
3164 return list_model->GetLastIndex() - 1;
3165 #endif
3166 }
3167 else
3168 {
3169 return m_root->GetSubTreeCount();
3170 }
3171 }
3172
3173 class ItemToRowJob : public DoJob
3174 {
3175 public:
3176 ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
3177 { this->item = item ; ret = -1 ; m_iter = iter ; }
3178 virtual ~ItemToRowJob(){};
3179
3180 //Maybe binary search will help to speed up this process
3181 virtual int operator() ( wxDataViewTreeNode * node)
3182 {
3183 ret ++;
3184 if( node->GetItem() == item )
3185 {
3186 return DoJob::OK;
3187 }
3188
3189 if( node->GetItem() == **m_iter )
3190 {
3191 m_iter++ ;
3192 return DoJob::CONT;
3193 }
3194 else
3195 {
3196 ret += node->GetSubTreeCount();
3197 return DoJob::IGR;
3198 }
3199
3200 }
3201
3202 virtual int operator() ( void * n )
3203 {
3204 ret ++;
3205 if( n == item.GetID() )
3206 return DoJob::OK;
3207 return DoJob::CONT;
3208 }
3209 //the row number is begin from zero
3210 int GetResult(){ return ret -1 ; }
3211 private:
3212 ItemList::const_iterator m_iter;
3213 wxDataViewItem item;
3214 int ret;
3215
3216 };
3217
3218 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3219 {
3220 wxDataViewModel * model = GetOwner()->GetModel();
3221 if( model == NULL )
3222 return -1;
3223
3224 if (!m_root)
3225 {
3226 return wxPtrToUInt( item.GetID() );
3227 }
3228 else
3229 {
3230 if( !item.IsOk() )
3231 return -1;
3232
3233 //Compose the a parent-chain of the finding item
3234 ItemList list;
3235 wxDataViewItem * pItem = NULL;
3236 list.DeleteContents( true );
3237 wxDataViewItem it( item );
3238 while( it.IsOk() )
3239 {
3240 pItem = new wxDataViewItem( it );
3241 list.Insert( pItem );
3242 it = model->GetParent( it );
3243 }
3244 pItem = new wxDataViewItem( );
3245 list.Insert( pItem );
3246
3247 ItemToRowJob job( item, list.begin() );
3248 Walker(m_root , job );
3249 return job.GetResult();
3250 }
3251 }
3252
3253 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
3254 {
3255 if( !model->IsContainer( item ) )
3256 return ;
3257
3258 wxDataViewItemArray children;
3259 unsigned int num = model->GetChildren( item, children);
3260 unsigned int index = 0;
3261 while( index < num )
3262 {
3263 if( model->IsContainer( children[index] ) )
3264 {
3265 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3266 n->SetItem(children[index]);
3267 n->SetHasChildren( true ) ;
3268 node->AddNode( n );
3269 }
3270 else
3271 {
3272 node->AddLeaf( children[index].GetID() );
3273 }
3274 index ++;
3275 }
3276 node->SetSubTreeCount( num );
3277 wxDataViewTreeNode * n = node->GetParent();
3278 if( n != NULL)
3279 n->ChangeSubTreeCount(num);
3280
3281 }
3282
3283 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3284 {
3285 DestroyTree();
3286
3287 if (GetOwner()->GetModel()->IsIndexListModel())
3288 {
3289 m_count = -1 ;
3290 return;
3291 }
3292
3293 m_root = new wxDataViewTreeNode( NULL );
3294 m_root->SetHasChildren(true);
3295
3296 //First we define a invalid item to fetch the top-level elements
3297 wxDataViewItem item;
3298 SortPrepare();
3299 BuildTreeHelper( model, item, m_root);
3300 m_count = -1 ;
3301 }
3302
3303 void DestroyTreeHelper( wxDataViewTreeNode * node )
3304 {
3305 if( node->GetNodeNumber() != 0 )
3306 {
3307 int len = node->GetNodeNumber();
3308 int i = 0 ;
3309 wxDataViewTreeNodes nodes = node->GetNodes();
3310 for( ; i < len; i ++ )
3311 {
3312 DestroyTreeHelper(nodes[i]);
3313 }
3314 }
3315 delete node;
3316 }
3317
3318 void wxDataViewMainWindow::DestroyTree()
3319 {
3320 if (m_root)
3321 {
3322 DestroyTreeHelper(m_root);
3323 m_count = 0;
3324 m_root = NULL;
3325 }
3326 }
3327
3328 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3329 {
3330 if (event.GetKeyCode() == WXK_TAB)
3331 {
3332 wxNavigationKeyEvent nevent;
3333 nevent.SetWindowChange( event.ControlDown() );
3334 nevent.SetDirection( !event.ShiftDown() );
3335 nevent.SetEventObject( GetParent()->GetParent() );
3336 nevent.SetCurrentFocus( m_parent );
3337 if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
3338 return;
3339 }
3340
3341 // no item -> nothing to do
3342 if (!HasCurrentRow())
3343 {
3344 event.Skip();
3345 return;
3346 }
3347
3348 // don't use m_linesPerPage directly as it might not be computed yet
3349 const int pageSize = GetCountPerPage();
3350 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3351
3352 switch ( event.GetKeyCode() )
3353 {
3354 case WXK_RETURN:
3355 {
3356 if (m_currentRow > 0)
3357 {
3358 wxWindow *parent = GetParent();
3359 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3360 le.SetItem( GetItemByRow(m_currentRow) );
3361 le.SetEventObject(parent);
3362 le.SetModel(GetOwner()->GetModel());
3363
3364 parent->GetEventHandler()->ProcessEvent(le);
3365 }
3366 break;
3367 }
3368 case WXK_UP:
3369 if ( m_currentRow > 0 )
3370 OnArrowChar( m_currentRow - 1, event );
3371 break;
3372
3373 case WXK_DOWN:
3374 if ( m_currentRow < GetRowCount() - 1 )
3375 OnArrowChar( m_currentRow + 1, event );
3376 break;
3377 //Add the process for tree expanding/collapsing
3378 case WXK_LEFT:
3379 OnCollapsing(m_currentRow);
3380 break;
3381 case WXK_RIGHT:
3382 OnExpanding( m_currentRow);
3383 break;
3384 case WXK_END:
3385 if (!IsEmpty())
3386 OnArrowChar( GetRowCount() - 1, event );
3387 break;
3388
3389 case WXK_HOME:
3390 if (!IsEmpty())
3391 OnArrowChar( 0, event );
3392 break;
3393
3394 case WXK_PAGEUP:
3395 {
3396 int steps = pageSize - 1;
3397 int index = m_currentRow - steps;
3398 if (index < 0)
3399 index = 0;
3400
3401 OnArrowChar( index, event );
3402 }
3403 break;
3404
3405 case WXK_PAGEDOWN:
3406 {
3407 int steps = pageSize - 1;
3408 unsigned int index = m_currentRow + steps;
3409 unsigned int count = GetRowCount();
3410 if ( index >= count )
3411 index = count - 1;
3412
3413 OnArrowChar( index, event );
3414 }
3415 break;
3416
3417 default:
3418 event.Skip();
3419 }
3420 }
3421
3422 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3423 {
3424 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3425 {
3426 // let the base handle mouse wheel events.
3427 event.Skip();
3428 return;
3429 }
3430
3431 int x = event.GetX();
3432 int y = event.GetY();
3433 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3434 wxDataViewColumn *col = NULL;
3435
3436 int xpos = 0;
3437 unsigned int cols = GetOwner()->GetColumnCount();
3438 unsigned int i;
3439 for (i = 0; i < cols; i++)
3440 {
3441 wxDataViewColumn *c = GetOwner()->GetColumn( i );
3442 if (c->IsHidden())
3443 continue; // skip it!
3444
3445 if (x < xpos + c->GetWidth())
3446 {
3447 col = c;
3448 break;
3449 }
3450 xpos += c->GetWidth();
3451 }
3452 if (!col)
3453 return;
3454
3455 wxDataViewRenderer *cell = col->GetRenderer();
3456 unsigned int current = y / m_lineHeight;
3457 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3458 {
3459 // Unselect all if below the last row ?
3460 return;
3461 }
3462
3463 //Test whether the mouse is hovered on the tree item button
3464 bool hover = false;
3465 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3466 {
3467 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3468 if( node!=NULL && node->HasChildren() )
3469 {
3470 int indent = node->GetIndentLevel();
3471 indent = GetOwner()->GetIndent()*indent;
3472 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3473 if( rect.Contains( x, y) )
3474 {
3475 //So the mouse is over the expander
3476 hover = true;
3477 if (m_underMouse && m_underMouse != node)
3478 {
3479 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3480 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3481 }
3482 if (m_underMouse != node)
3483 {
3484 //wxLogMessage("Do the row: %d", current);
3485 RefreshRow(current);
3486 }
3487 m_underMouse = node;
3488 }
3489 }
3490 if (node!=NULL && !node->HasChildren())
3491 delete node;
3492 }
3493 if (!hover)
3494 {
3495 if (m_underMouse != NULL)
3496 {
3497 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3498 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3499 m_underMouse = NULL;
3500 }
3501 }
3502
3503 wxDataViewModel *model = GetOwner()->GetModel();
3504
3505 if (event.Dragging())
3506 {
3507 if (m_dragCount == 0)
3508 {
3509 // we have to report the raw, physical coords as we want to be
3510 // able to call HitTest(event.m_pointDrag) from the user code to
3511 // get the item being dragged
3512 m_dragStart = event.GetPosition();
3513 }
3514
3515 m_dragCount++;
3516
3517 if (m_dragCount != 3)
3518 return;
3519
3520 if (event.LeftIsDown())
3521 {
3522 // Notify cell about drag
3523 }
3524 return;
3525 }
3526 else
3527 {
3528 m_dragCount = 0;
3529 }
3530
3531 bool forceClick = false;
3532
3533 if (event.ButtonDClick())
3534 {
3535 m_renameTimer->Stop();
3536 m_lastOnSame = false;
3537 }
3538
3539 wxDataViewItem item = GetItemByRow(current);
3540 bool ignore_other_columns =
3541 ((GetOwner()->GetExpanderColumn() != col) &&
3542 (model->IsContainer(item)) &&
3543 (!model->HasContainerColumns(item)));
3544
3545 if (event.LeftDClick())
3546 {
3547 if ( current == m_lineLastClicked )
3548 {
3549 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3550 {
3551 wxVariant value;
3552 model->GetValue( value, item, col->GetModelColumn() );
3553 cell->SetValue( value );
3554 wxRect cell_rect( xpos, current * m_lineHeight,
3555 col->GetWidth(), m_lineHeight );
3556 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3557
3558 }
3559 else
3560 {
3561 wxWindow *parent = GetParent();
3562 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3563 le.SetItem( item );
3564 le.SetEventObject(parent);
3565 le.SetModel(GetOwner()->GetModel());
3566
3567 parent->GetEventHandler()->ProcessEvent(le);
3568 }
3569 return;
3570 }
3571 else
3572 {
3573 // The first click was on another item, so don't interpret this as
3574 // a double click, but as a simple click instead
3575 forceClick = true;
3576 }
3577 }
3578
3579 if (event.LeftUp())
3580 {
3581 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3582 {
3583 // select single line
3584 SelectAllRows( false );
3585 SelectRow( m_lineSelectSingleOnUp, true );
3586 }
3587
3588 //Process the event of user clicking the expander
3589 bool expander = false;
3590 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3591 {
3592 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3593 if( node!=NULL && node->HasChildren() )
3594 {
3595 int indent = node->GetIndentLevel();
3596 indent = GetOwner()->GetIndent()*indent;
3597 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3598 if( rect.Contains( x, y) )
3599 {
3600 expander = true;
3601 if( node->IsOpen() )
3602 OnCollapsing(current);
3603 else
3604 OnExpanding( current );
3605 }
3606 }
3607 }
3608 //If the user click the expander, we do not do editing even if the column with expander are editable
3609 if (m_lastOnSame && !expander && !ignore_other_columns)
3610 {
3611 if ((col == m_currentCol) && (current == m_currentRow) &&
3612 (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
3613 {
3614 m_renameTimer->Start( 100, true );
3615 }
3616 }
3617
3618 m_lastOnSame = false;
3619 m_lineSelectSingleOnUp = (unsigned int)-1;
3620 }
3621 else
3622 {
3623 // This is necessary, because after a DnD operation in
3624 // from and to ourself, the up event is swallowed by the
3625 // DnD code. So on next non-up event (which means here and
3626 // now) m_lineSelectSingleOnUp should be reset.
3627 m_lineSelectSingleOnUp = (unsigned int)-1;
3628 }
3629
3630 if (event.RightDown())
3631 {
3632 m_lineBeforeLastClicked = m_lineLastClicked;
3633 m_lineLastClicked = current;
3634
3635 // If the item is already selected, do not update the selection.
3636 // Multi-selections should not be cleared if a selected item is clicked.
3637 if (!IsRowSelected(current))
3638 {
3639 SelectAllRows(false);
3640 ChangeCurrentRow(current);
3641 SelectRow(m_currentRow,true);
3642 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3643 }
3644
3645 // notify cell about right click
3646 // cell->...
3647
3648 // Allow generation of context menu event
3649 event.Skip();
3650 }
3651 else if (event.MiddleDown())
3652 {
3653 // notify cell about middle click
3654 // cell->...
3655 }
3656 if (event.LeftDown() || forceClick)
3657 {
3658 SetFocus();
3659
3660 m_lineBeforeLastClicked = m_lineLastClicked;
3661 m_lineLastClicked = current;
3662
3663 unsigned int oldCurrentRow = m_currentRow;
3664 bool oldWasSelected = IsRowSelected(m_currentRow);
3665
3666 bool cmdModifierDown = event.CmdDown();
3667 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3668 {
3669 if ( IsSingleSel() || !IsRowSelected(current) )
3670 {
3671 SelectAllRows( false );
3672 ChangeCurrentRow(current);
3673 SelectRow(m_currentRow,true);
3674 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3675 }
3676 else // multi sel & current is highlighted & no mod keys
3677 {
3678 m_lineSelectSingleOnUp = current;
3679 ChangeCurrentRow(current); // change focus
3680 }
3681 }
3682 else // multi sel & either ctrl or shift is down
3683 {
3684 if (cmdModifierDown)
3685 {
3686 ChangeCurrentRow(current);
3687 ReverseRowSelection(m_currentRow);
3688 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3689 }
3690 else if (event.ShiftDown())
3691 {
3692 ChangeCurrentRow(current);
3693
3694 unsigned int lineFrom = oldCurrentRow,
3695 lineTo = current;
3696
3697 if ( lineTo < lineFrom )
3698 {
3699 lineTo = lineFrom;
3700 lineFrom = m_currentRow;
3701 }
3702
3703 SelectRows(lineFrom, lineTo, true);
3704 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3705 }
3706 else // !ctrl, !shift
3707 {
3708 // test in the enclosing if should make it impossible
3709 wxFAIL_MSG( _T("how did we get here?") );
3710 }
3711 }
3712
3713 if (m_currentRow != oldCurrentRow)
3714 RefreshRow( oldCurrentRow );
3715
3716 wxDataViewColumn *oldCurrentCol = m_currentCol;
3717
3718 // Update selection here...
3719 m_currentCol = col;
3720
3721 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3722 (current == oldCurrentRow)) && oldWasSelected;
3723 }
3724 }
3725
3726 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3727 {
3728 m_hasFocus = true;
3729
3730 if (HasCurrentRow())
3731 Refresh();
3732
3733 event.Skip();
3734 }
3735
3736 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3737 {
3738 m_hasFocus = false;
3739
3740 if (HasCurrentRow())
3741 Refresh();
3742
3743 event.Skip();
3744 }
3745
3746 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3747 {
3748 if( m_selection.GetCount() != 1 )
3749 return wxDataViewItem();
3750
3751 return GetItemByRow( m_selection.Item(0));
3752 }
3753
3754 //-----------------------------------------------------------------------------
3755 // wxDataViewCtrl
3756 //-----------------------------------------------------------------------------
3757 WX_DEFINE_LIST(wxDataViewColumnList)
3758
3759 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3760
3761 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3762 EVT_SIZE(wxDataViewCtrl::OnSize)
3763 END_EVENT_TABLE()
3764
3765 wxDataViewCtrl::~wxDataViewCtrl()
3766 {
3767 if (m_notifier)
3768 GetModel()->RemoveNotifier( m_notifier );
3769 }
3770
3771 void wxDataViewCtrl::Init()
3772 {
3773 m_notifier = NULL;
3774 }
3775
3776 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3777 const wxPoint& pos, const wxSize& size,
3778 long style, const wxValidator& validator )
3779 {
3780 if (!wxControl::Create( parent, id, pos, size,
3781 style | wxScrolledWindowStyle|wxBORDER_SUNKEN, validator))
3782 return false;
3783
3784 SetInitialSize(size);
3785
3786 Init();
3787
3788 #ifdef __WXMAC__
3789 MacSetClipChildren( true ) ;
3790 #endif
3791
3792 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3793
3794 if (HasFlag(wxDV_NO_HEADER))
3795 m_headerArea = NULL;
3796 else
3797 m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3798
3799 SetTargetWindow( m_clientArea );
3800
3801 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3802 if (m_headerArea)
3803 sizer->Add( m_headerArea, 0, wxGROW );
3804 sizer->Add( m_clientArea, 1, wxGROW );
3805 SetSizer( sizer );
3806
3807 return true;
3808 }
3809
3810 #ifdef __WXMSW__
3811 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3812 WXWPARAM wParam,
3813 WXLPARAM lParam)
3814 {
3815 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3816
3817 #ifndef __WXWINCE__
3818 // we need to process arrows ourselves for scrolling
3819 if ( nMsg == WM_GETDLGCODE )
3820 {
3821 rc |= DLGC_WANTARROWS;
3822 }
3823 #endif
3824
3825 return rc;
3826 }
3827 #endif
3828
3829 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3830 {
3831 // We need to override OnSize so that our scrolled
3832 // window a) does call Layout() to use sizers for
3833 // positioning the controls but b) does not query
3834 // the sizer for their size and use that for setting
3835 // the scrollable area as set that ourselves by
3836 // calling SetScrollbar() further down.
3837
3838 Layout();
3839
3840 AdjustScrollbars();
3841 }
3842
3843 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3844 {
3845 if (!wxDataViewCtrlBase::AssociateModel( model ))
3846 return false;
3847
3848 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3849
3850 model->AddNotifier( m_notifier );
3851
3852 m_clientArea->DestroyTree();
3853
3854 m_clientArea->BuildTree(model);
3855
3856 m_clientArea->UpdateDisplay();
3857
3858 return true;
3859 }
3860
3861 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3862 {
3863 if (!wxDataViewCtrlBase::AppendColumn(col))
3864 return false;
3865
3866 m_cols.Append( col );
3867 OnColumnChange();
3868 return true;
3869 }
3870
3871 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3872 {
3873 if (!wxDataViewCtrlBase::PrependColumn(col))
3874 return false;
3875
3876 m_cols.Insert( col );
3877 OnColumnChange();
3878 return true;
3879 }
3880
3881 void wxDataViewCtrl::OnColumnChange()
3882 {
3883 if (m_headerArea)
3884 m_headerArea->UpdateDisplay();
3885
3886 m_clientArea->UpdateDisplay();
3887 }
3888
3889 void wxDataViewCtrl::DoSetExpanderColumn()
3890 {
3891 m_clientArea->UpdateDisplay();
3892 }
3893
3894 void wxDataViewCtrl::DoSetIndent()
3895 {
3896 m_clientArea->UpdateDisplay();
3897 }
3898
3899 unsigned int wxDataViewCtrl::GetColumnCount() const
3900 {
3901 return m_cols.GetCount();
3902 }
3903
3904 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
3905 {
3906 wxDataViewColumnList::const_iterator iter;
3907 unsigned int i = 0;
3908 for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3909 {
3910 if (i == pos)
3911 return *iter;
3912
3913 if ((*iter)->IsHidden())
3914 continue;
3915 i ++;
3916 }
3917 return NULL;
3918 }
3919
3920 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3921 {
3922 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3923 if (!ret)
3924 return false;
3925
3926 m_cols.Erase(ret);
3927 delete column;
3928 OnColumnChange();
3929
3930 return true;
3931 }
3932
3933 bool wxDataViewCtrl::ClearColumns()
3934 {
3935 m_cols.clear();
3936 OnColumnChange();
3937 return true;
3938 }
3939
3940 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
3941 {
3942 int ret = 0, dead = 0;
3943 int len = GetColumnCount();
3944 for (int i=0; i<len; i++)
3945 {
3946 wxDataViewColumn * col = GetColumn(i);
3947 if (col->IsHidden())
3948 continue;
3949 ret += col->GetWidth();
3950 if (column==col)
3951 {
3952 CalcScrolledPosition( ret, dead, &ret, &dead );
3953 break;
3954 }
3955 }
3956 return ret;
3957 }
3958
3959 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
3960 {
3961 return NULL;
3962 }
3963
3964 //Selection code with wxDataViewItem as parameters
3965 wxDataViewItem wxDataViewCtrl::GetSelection() const
3966 {
3967 return m_clientArea->GetSelection();
3968 }
3969
3970 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
3971 {
3972 sel.Empty();
3973 wxDataViewSelection selection = m_clientArea->GetSelections();
3974 int len = selection.GetCount();
3975 for( int i = 0; i < len; i ++)
3976 {
3977 unsigned int row = selection[i];
3978 sel.Add( m_clientArea->GetItemByRow( row ) );
3979 }
3980 return len;
3981 }
3982
3983 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
3984 {
3985 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
3986 int len = sel.GetCount();
3987 for( int i = 0; i < len; i ++ )
3988 {
3989 int row = m_clientArea->GetRowByItem( sel[i] );
3990 if( row >= 0 )
3991 selection.Add( static_cast<unsigned int>(row) );
3992 }
3993 m_clientArea->SetSelections( selection );
3994 }
3995
3996 void wxDataViewCtrl::Select( const wxDataViewItem & item )
3997 {
3998 int row = m_clientArea->GetRowByItem( item );
3999 if( row >= 0 )
4000 {
4001 //Unselect all rows before select another in the single select mode
4002 if (m_clientArea->IsSingleSel())
4003 m_clientArea->SelectAllRows(false);
4004 m_clientArea->SelectRow(row, true);
4005 }
4006 }
4007
4008 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4009 {
4010 int row = m_clientArea->GetRowByItem( item );
4011 if( row >= 0 )
4012 m_clientArea->SelectRow(row, false);
4013 }
4014
4015 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4016 {
4017 int row = m_clientArea->GetRowByItem( item );
4018 if( row >= 0 )
4019 {
4020 return m_clientArea->IsRowSelected(row);
4021 }
4022 return false;
4023 }
4024
4025 //Selection code with row number as parameter
4026 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4027 {
4028 sel.Empty();
4029 wxDataViewSelection selection = m_clientArea->GetSelections();
4030 int len = selection.GetCount();
4031 for( int i = 0; i < len; i ++)
4032 {
4033 unsigned int row = selection[i];
4034 sel.Add( row );
4035 }
4036 return len;
4037 }
4038
4039 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4040 {
4041 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4042 int len = sel.GetCount();
4043 for( int i = 0; i < len; i ++ )
4044 {
4045 int row = sel[i];
4046 if( row >= 0 )
4047 selection.Add( static_cast<unsigned int>(row) );
4048 }
4049 m_clientArea->SetSelections( selection );
4050 }
4051
4052 void wxDataViewCtrl::Select( int row )
4053 {
4054 if( row >= 0 )
4055 {
4056 if (m_clientArea->IsSingleSel())
4057 m_clientArea->SelectAllRows(false);
4058 m_clientArea->SelectRow( row, true );
4059 }
4060 }
4061
4062 void wxDataViewCtrl::Unselect( int row )
4063 {
4064 if( row >= 0 )
4065 m_clientArea->SelectRow(row, false);
4066 }
4067
4068 bool wxDataViewCtrl::IsSelected( int row ) const
4069 {
4070 if( row >= 0 )
4071 return m_clientArea->IsRowSelected(row);
4072 return false;
4073 }
4074
4075 void wxDataViewCtrl::SelectRange( int from, int to )
4076 {
4077 wxArrayInt sel;
4078 for( int i = from; i < to; i ++ )
4079 sel.Add( i );
4080 m_clientArea->Select(sel);
4081 }
4082
4083 void wxDataViewCtrl::UnselectRange( int from, int to )
4084 {
4085 wxDataViewSelection sel = m_clientArea->GetSelections();
4086 for( int i = from; i < to; i ++ )
4087 if( sel.Index( i ) != wxNOT_FOUND )
4088 sel.Remove( i );
4089 m_clientArea->SetSelections(sel);
4090 }
4091
4092 void wxDataViewCtrl::SelectAll()
4093 {
4094 m_clientArea->SelectAllRows(true);
4095 }
4096
4097 void wxDataViewCtrl::UnselectAll()
4098 {
4099 m_clientArea->SelectAllRows(false);
4100 }
4101
4102 void wxDataViewCtrl::EnsureVisible( int row, int column )
4103 {
4104 if( row < 0 )
4105 row = 0;
4106 if( row > (int) m_clientArea->GetRowCount() )
4107 row = m_clientArea->GetRowCount();
4108
4109 int first = m_clientArea->GetFirstVisibleRow();
4110 int last = m_clientArea->GetLastVisibleRow();
4111 if( row < first )
4112 m_clientArea->ScrollTo( row, column );
4113 else if( row > last )
4114 m_clientArea->ScrollTo( row - last + first, column );
4115 else
4116 m_clientArea->ScrollTo( first, column );
4117 }
4118
4119 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4120 {
4121 int row = m_clientArea->GetRowByItem(item);
4122 if( row >= 0 )
4123 {
4124 if( column == NULL )
4125 EnsureVisible(row, -1);
4126 else
4127 {
4128 int col = 0;
4129 int len = GetColumnCount();
4130 for( int i = 0; i < len; i ++ )
4131 if( GetColumn(i) == column )
4132 {
4133 col = i;
4134 break;
4135 }
4136 EnsureVisible( row, col );
4137 }
4138 }
4139
4140 }
4141
4142 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4143 {
4144 m_clientArea->HitTest(point, item, column);
4145 }
4146
4147 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4148 {
4149 return m_clientArea->GetItemRect(item, column);
4150 }
4151
4152 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4153 {
4154 return m_clientArea->GetItemByRow( row );
4155 }
4156
4157 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4158 {
4159 return m_clientArea->GetRowByItem( item );
4160 }
4161
4162 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4163 {
4164 int row = m_clientArea->GetRowByItem( item );
4165 if (row != -1)
4166 m_clientArea->Expand(row);
4167 }
4168
4169 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4170 {
4171 int row = m_clientArea->GetRowByItem( item );
4172 if (row != -1)
4173 m_clientArea->Collapse(row);
4174 }
4175
4176 #endif
4177 // !wxUSE_GENERICDATAVIEWCTRL
4178
4179 #endif
4180 // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)