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Patch from Hartwig and me for implementing reorderable dataview columns. Works on...
[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::SetReorderable( bool reorderable )
1203 {
1204 // TODO
1205 }
1206
1207 void wxDataViewColumn::SetSortOrder( bool ascending )
1208 {
1209 m_ascending = ascending;
1210
1211 // Update header button
1212 if (GetOwner())
1213 GetOwner()->OnColumnChange();
1214 }
1215
1216 bool wxDataViewColumn::IsSortOrderAscending() const
1217 {
1218 return m_ascending;
1219 }
1220
1221 void wxDataViewColumn::SetInternalWidth( int width )
1222 {
1223 m_width = width;
1224
1225 // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1226 if (m_owner && m_owner->m_clientArea)
1227 m_owner->m_clientArea->RecalculateDisplay();
1228 }
1229
1230 void wxDataViewColumn::SetWidth( int width )
1231 {
1232 if (m_owner->m_headerArea) m_owner->m_headerArea->UpdateDisplay();
1233
1234 SetInternalWidth(width);
1235 }
1236
1237
1238 //-----------------------------------------------------------------------------
1239 // wxDataViewHeaderWindowBase
1240 //-----------------------------------------------------------------------------
1241
1242 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1243 {
1244 wxWindow *parent = GetParent();
1245 wxDataViewEvent le(type, parent->GetId());
1246
1247 le.SetEventObject(parent);
1248 le.SetColumn(n);
1249 le.SetDataViewColumn(GetColumn(n));
1250 le.SetModel(GetOwner()->GetModel());
1251
1252 // for events created by wxDataViewHeaderWindow the
1253 // row / value fields are not valid
1254
1255 parent->GetEventHandler()->ProcessEvent(le);
1256 }
1257
1258 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
1259
1260 #ifndef HDS_DRAGDROP
1261 #define HDS_DRAGDROP 0x0040
1262 #endif
1263 #ifndef HDS_FULLDRAG
1264 #define HDS_FULLDRAG 0x0080
1265 #endif
1266
1267 // implemented in msw/listctrl.cpp:
1268 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1269
1270 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1271
1272 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1273 const wxPoint &pos, const wxSize &size,
1274 const wxString &name )
1275 {
1276 m_owner = parent;
1277
1278 m_scrollOffsetX = 0;
1279 m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this ) + 10;
1280
1281 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1282 y = pos.y == wxDefaultCoord ? 0 : pos.y,
1283 w = size.x == wxDefaultCoord ? 1 : size.x,
1284 h = size.y == wxDefaultCoord ? m_buttonHeight : size.y;
1285
1286 if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
1287 return false;
1288
1289 // create the native WC_HEADER window:
1290 WXHWND hwndParent = (HWND)parent->GetHandle();
1291 WXDWORD msStyle = WS_CHILD | HDS_DRAGDROP | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1292
1293 if ( m_isShown )
1294 msStyle |= WS_VISIBLE;
1295
1296 m_hWnd = CreateWindowEx(0,
1297 WC_HEADER,
1298 (LPCTSTR) NULL,
1299 msStyle,
1300 x, y, w, h,
1301 (HWND)hwndParent,
1302 (HMENU)-1,
1303 wxGetInstance(),
1304 (LPVOID) NULL);
1305 if (m_hWnd == NULL)
1306 {
1307 wxLogLastError(_T("CreateWindowEx"));
1308 return false;
1309 }
1310
1311 // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1312 // to call wxDataViewHeaderWindow::MSWOnNotify
1313 SubclassWin(m_hWnd);
1314
1315 // the following is required to get the default win's font for
1316 // header windows and must be done befor sending the HDM_LAYOUT msg
1317 SetFont(GetFont());
1318
1319 return true;
1320 }
1321
1322 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1323 {
1324 UnsubclassWin();
1325 }
1326
1327 wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
1328 {
1329 return wxSize(80, m_buttonHeight );
1330 }
1331
1332 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1333 {
1334 // remove old columns
1335 for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1336 Header_DeleteItem((HWND)m_hWnd, 0);
1337
1338 // add the updated array of columns to the header control
1339 unsigned int cols = GetOwner()->GetColumnCount();
1340 unsigned int added = 0;
1341 for (unsigned int i = 0; i < cols; i++)
1342 {
1343 wxDataViewColumn *col = GetColumn( i );
1344 if (col->IsHidden())
1345 continue; // don't add it!
1346
1347 HDITEM hdi;
1348 hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1349 hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1350 hdi.cxy = col->GetWidth();
1351 hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1352 hdi.fmt = HDF_LEFT | HDF_STRING;
1353 //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1354
1355 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1356 {
1357 //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1358 //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1359 // VZ: works with 5.81
1360 hdi.fmt |= col->IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
1361 }
1362
1363 // lParam is reserved for application's use:
1364 // we store there the column index to use it later in MSWOnNotify
1365 // (since columns may have been hidden)
1366 hdi.lParam = (LPARAM)i;
1367
1368 // the native wxMSW implementation of the header window
1369 // draws the column separator COLUMN_WIDTH_OFFSET pixels
1370 // on the right: to correct this effect we make the column
1371 // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1372 if (i == 0)
1373 hdi.cxy += COLUMN_WIDTH_OFFSET;
1374
1375 switch (col->GetAlignment())
1376 {
1377 case wxALIGN_LEFT:
1378 hdi.fmt |= HDF_LEFT;
1379 break;
1380 case wxALIGN_CENTER:
1381 case wxALIGN_CENTER_HORIZONTAL:
1382 hdi.fmt |= HDF_CENTER;
1383 break;
1384 case wxALIGN_RIGHT:
1385 hdi.fmt |= HDF_RIGHT;
1386 break;
1387
1388 default:
1389 // such alignment is not allowed for the column header!
1390 break; // wxFAIL;
1391 }
1392
1393 SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1394 (WPARAM)added, (LPARAM)&hdi);
1395 added++;
1396 }
1397 }
1398
1399 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1400 {
1401 unsigned int idx;
1402
1403 // NOTE: we don't just return nmHDR->iItem because when there are
1404 // hidden columns, nmHDR->iItem may be different from
1405 // nmHDR->pitem->lParam
1406
1407 if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1408 {
1409 idx = (unsigned int)nmHDR->pitem->lParam;
1410 return idx;
1411 }
1412
1413 HDITEM item;
1414 item.mask = HDI_LPARAM;
1415 Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1416
1417 return (unsigned int)item.lParam;
1418 }
1419
1420 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1421 {
1422 NMHDR *nmhdr = (NMHDR *)lParam;
1423
1424 // is it a message from the header?
1425 if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1426 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1427
1428 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1429 switch ( nmhdr->code )
1430 {
1431 case HDN_BEGINTRACK:
1432 // user has started to resize a column:
1433 // do we need to veto it?
1434 if (!GetColumn(nmHDR->iItem)->IsResizeable())
1435 {
1436 // veto it!
1437 *result = TRUE;
1438 }
1439 break;
1440
1441 case HDN_BEGINDRAG:
1442 // user has started to reorder a column
1443 break;
1444
1445 case HDN_ITEMCHANGING:
1446 if (nmHDR->pitem != NULL &&
1447 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1448 {
1449 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1450 if (nmHDR->pitem->cxy < minWidth)
1451 {
1452 // do not allow the user to resize this column under
1453 // its minimal width:
1454 *result = TRUE;
1455 }
1456 }
1457 break;
1458
1459 case HDN_ITEMCHANGED: // user is resizing a column
1460 case HDN_ENDTRACK: // user has finished resizing a column
1461 case HDN_ENDDRAG: // user has finished reordering a column
1462
1463 // update the width of the modified column:
1464 if (nmHDR->pitem != NULL &&
1465 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1466 {
1467 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1468 unsigned int w = nmHDR->pitem->cxy;
1469 wxDataViewColumn *col = GetColumn(idx);
1470
1471 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1472 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1473 w -= COLUMN_WIDTH_OFFSET;
1474
1475 if (w >= (unsigned)col->GetMinWidth())
1476 col->SetInternalWidth(w);
1477 }
1478 break;
1479
1480 case HDN_ITEMCLICK:
1481 {
1482 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1483 wxDataViewModel * model = GetOwner()->GetModel();
1484
1485 if(nmHDR->iButton == 0)
1486 {
1487 wxDataViewColumn *col = GetColumn(idx);
1488 if(col->IsSortable())
1489 {
1490 if(model && m_owner->GetSortingColumn() == col)
1491 {
1492 bool order = col->IsSortOrderAscending();
1493 col->SetSortOrder(!order);
1494 }
1495 else if(model)
1496 {
1497 m_owner->SetSortingColumn(col);
1498 }
1499 }
1500 UpdateDisplay();
1501 if(model)
1502 model->Resort();
1503 }
1504
1505 wxEventType evt = nmHDR->iButton == 0 ?
1506 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1507 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1508 SendEvent(evt, idx);
1509 }
1510 break;
1511
1512 case NM_RCLICK:
1513 {
1514 // NOTE: for some reason (i.e. for a bug in Windows)
1515 // the HDN_ITEMCLICK notification is not sent on
1516 // right clicks, so we need to handle NM_RCLICK
1517
1518 POINT ptClick;
1519 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1520 if (column != wxNOT_FOUND)
1521 {
1522 HDITEM item;
1523 item.mask = HDI_LPARAM;
1524 Header_GetItem((HWND)m_hWnd, column, &item);
1525
1526 // 'idx' may be different from 'column' if there are
1527 // hidden columns...
1528 unsigned int idx = (unsigned int)item.lParam;
1529 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1530 idx);
1531 }
1532 }
1533 break;
1534
1535 case HDN_GETDISPINFOW:
1536 // see wxListCtrl::MSWOnNotify for more info!
1537 break;
1538
1539 case HDN_ITEMDBLCLICK:
1540 {
1541 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1542 int w = GetOwner()->GetBestColumnWidth(idx);
1543
1544 // update the native control:
1545 HDITEM hd;
1546 ZeroMemory(&hd, sizeof(hd));
1547 hd.mask = HDI_WIDTH;
1548 hd.cxy = w;
1549 Header_SetItem(GetHwnd(),
1550 nmHDR->iItem, // NOTE: we don't want 'idx' here!
1551 &hd);
1552
1553 // update the wxDataViewColumn class:
1554 GetColumn(idx)->SetInternalWidth(w);
1555 }
1556 break;
1557
1558 default:
1559 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1560 }
1561
1562 return true;
1563 }
1564
1565 void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy),
1566 const wxRect * WXUNUSED(rect))
1567 {
1568 m_scrollOffsetX += dx;
1569
1570 GetParent()->Layout();
1571 }
1572
1573 void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
1574 int w, int h,
1575 int f)
1576 {
1577 // TODO: why is there a border + 2px around it?
1578 wxControl::DoSetSize( x+m_scrollOffsetX+1, y+1, w-m_scrollOffsetX-2, h-2, f );
1579 }
1580
1581 #else // !defined(__WXMSW__)
1582
1583 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1584 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1585 EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
1586 EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
1587 EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
1588 END_EVENT_TABLE()
1589
1590 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1591 const wxPoint &pos, const wxSize &size,
1592 const wxString &name )
1593 {
1594 m_owner = parent;
1595
1596 if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1597 return false;
1598
1599 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1600 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1601 SetOwnForegroundColour( attr.colFg );
1602 SetOwnBackgroundColour( attr.colBg );
1603 if (!m_hasFont)
1604 SetOwnFont( attr.font );
1605
1606 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1607 // a wxBoxSizer and in order to avoid super-big header windows,
1608 // we need to set our height as fixed
1609 SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1610 SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1611
1612 return true;
1613 }
1614
1615 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1616 {
1617 int w, h;
1618 GetClientSize( &w, &h );
1619
1620 wxAutoBufferedPaintDC dc( this );
1621
1622 dc.SetBackground(GetBackgroundColour());
1623 dc.Clear();
1624
1625 int xpix;
1626 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1627
1628 int x;
1629 m_owner->GetViewStart( &x, NULL );
1630
1631 // account for the horz scrollbar offset
1632 dc.SetDeviceOrigin( -x * xpix, 0 );
1633
1634 dc.SetFont( GetFont() );
1635
1636 unsigned int cols = GetOwner()->GetColumnCount();
1637 unsigned int i;
1638 int xpos = 0;
1639 for (i = 0; i < cols; i++)
1640 {
1641 wxDataViewColumn *col = GetColumn( i );
1642 if (col->IsHidden())
1643 continue; // skip it!
1644
1645 int cw = col->GetWidth();
1646 int ch = h;
1647
1648 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1649 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1650 {
1651 if (col->IsSortOrderAscending())
1652 sortArrow = wxHDR_SORT_ICON_UP;
1653 else
1654 sortArrow = wxHDR_SORT_ICON_DOWN;
1655 }
1656
1657 int state = 0;
1658 if (m_parent->IsEnabled())
1659 {
1660 if ((int) i == m_hover)
1661 state = wxCONTROL_CURRENT;
1662 }
1663 else
1664 {
1665 state = (int) wxCONTROL_DISABLED;
1666 }
1667
1668 wxRendererNative::Get().DrawHeaderButton
1669 (
1670 this,
1671 dc,
1672 wxRect(xpos, 0, cw, ch-1),
1673 state,
1674 sortArrow
1675 );
1676
1677 // align as required the column title:
1678 int x = xpos;
1679 wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1680 switch (col->GetAlignment())
1681 {
1682 case wxALIGN_LEFT:
1683 x += HEADER_HORIZ_BORDER;
1684 break;
1685 case wxALIGN_RIGHT:
1686 x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1687 break;
1688 default:
1689 case wxALIGN_CENTER:
1690 case wxALIGN_CENTER_HORIZONTAL:
1691 x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1692 break;
1693 }
1694
1695 // always center the title vertically:
1696 int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1697
1698 dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1699 HEADER_VERT_BORDER,
1700 wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
1701 wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
1702 dc.DrawText( col->GetTitle(), x, y );
1703 dc.DestroyClippingRegion();
1704
1705 xpos += cw;
1706 }
1707 }
1708
1709 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1710 {
1711 GetParent()->SetFocus();
1712 event.Skip();
1713 }
1714
1715 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1716 {
1717 // we want to work with logical coords
1718 int x;
1719 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1720 int y = event.GetY();
1721
1722 if (m_isDragging)
1723 {
1724 // we don't draw the line beyond our window,
1725 // but we allow dragging it there
1726 int w = 0;
1727 GetClientSize( &w, NULL );
1728 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1729 w -= 6;
1730
1731 if (event.ButtonUp())
1732 {
1733 m_isDragging = false;
1734 if (HasCapture())
1735 ReleaseMouse();
1736
1737 m_dirty = true;
1738 }
1739 m_currentX = wxMax(m_minX + 7, x);
1740
1741 if (m_currentX < w)
1742 {
1743 GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1744 Refresh();
1745 GetOwner()->Refresh();
1746 }
1747
1748 }
1749 else // not dragging
1750 {
1751 m_minX = 0;
1752 m_column = wxNOT_FOUND;
1753
1754 bool hit_border = false;
1755
1756 // end of the current column
1757 int xpos = 0;
1758
1759 // find the column where this event occured
1760 int countCol = m_owner->GetColumnCount();
1761 for (int column = 0; column < countCol; column++)
1762 {
1763 wxDataViewColumn *p = GetColumn(column);
1764
1765 if (p->IsHidden())
1766 continue; // skip if not shown
1767
1768 xpos += p->GetWidth();
1769 m_column = column;
1770 if ((abs(x-xpos) < 3) && (y < 22))
1771 {
1772 hit_border = true;
1773 break;
1774 }
1775
1776 if (x < xpos)
1777 {
1778 // inside the column
1779 break;
1780 }
1781
1782 m_minX = xpos;
1783 }
1784
1785 int old_hover = m_hover;
1786 m_hover = m_column;
1787 if (event.Leaving())
1788 m_hover = wxNOT_FOUND;
1789 if (old_hover != m_hover)
1790 Refresh();
1791
1792 if (m_column == wxNOT_FOUND)
1793 return;
1794
1795 bool resizeable = GetColumn(m_column)->IsResizeable();
1796 if (event.LeftDClick() && resizeable)
1797 {
1798 GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1799 Refresh();
1800 }
1801 else if (event.LeftDown() || event.RightUp())
1802 {
1803 if (hit_border && event.LeftDown() && resizeable)
1804 {
1805 m_isDragging = true;
1806 CaptureMouse();
1807 m_currentX = x;
1808 }
1809 else // click on a column
1810 {
1811 wxDataViewModel * model = GetOwner()->GetModel();
1812 wxEventType evt = event.LeftDown() ?
1813 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1814 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1815 SendEvent(evt, m_column);
1816
1817 //Left click the header
1818 if(event.LeftDown())
1819 {
1820 wxDataViewColumn *col = GetColumn(m_column);
1821 if(col->IsSortable())
1822 {
1823 wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
1824 if(model && sortCol == col)
1825 {
1826 bool order = col->IsSortOrderAscending();
1827 col->SetSortOrder(!order);
1828 }
1829 else if(model)
1830 {
1831 m_owner->SetSortingColumn(col);
1832 }
1833 }
1834 UpdateDisplay();
1835 if(model)
1836 model->Resort();
1837 //Send the column sorted event
1838 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1839 }
1840 }
1841 }
1842 else if (event.Moving())
1843 {
1844 if (hit_border && resizeable)
1845 m_currentCursor = m_resizeCursor;
1846 else
1847 m_currentCursor = wxSTANDARD_CURSOR;
1848
1849 SetCursor(*m_currentCursor);
1850 }
1851 }
1852 }
1853
1854 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1855 {
1856 int xpix, x;
1857
1858 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1859 m_owner->GetViewStart( &x, NULL );
1860
1861 // shift the DC origin to match the position of the main window horizontal
1862 // scrollbar: this allows us to always use logical coords
1863 dc.SetDeviceOrigin( -x * xpix, 0 );
1864 }
1865
1866 #endif // defined(__WXMSW__)
1867
1868 //-----------------------------------------------------------------------------
1869 // wxDataViewRenameTimer
1870 //-----------------------------------------------------------------------------
1871
1872 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1873 {
1874 m_owner = owner;
1875 }
1876
1877 void wxDataViewRenameTimer::Notify()
1878 {
1879 m_owner->OnRenameTimer();
1880 }
1881
1882 //-----------------------------------------------------------------------------
1883 // wxDataViewMainWindow
1884 //-----------------------------------------------------------------------------
1885
1886 //The tree building helper, declared firstly
1887 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1888
1889 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1890 {
1891 if (row1 > row2) return 1;
1892 if (row1 == row2) return 0;
1893 return -1;
1894 }
1895
1896
1897 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1898
1899 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1900 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1901 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1902 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1903 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1904 EVT_CHAR (wxDataViewMainWindow::OnChar)
1905 END_EVENT_TABLE()
1906
1907 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1908 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1909 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1910 m_selection( wxDataViewSelectionCmp )
1911
1912 {
1913 SetOwner( parent );
1914
1915 m_lastOnSame = false;
1916 m_renameTimer = new wxDataViewRenameTimer( this );
1917
1918 // TODO: user better initial values/nothing selected
1919 m_currentCol = NULL;
1920 m_currentRow = 0;
1921
1922 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1923
1924 m_dragCount = 0;
1925 m_dragStart = wxPoint(0,0);
1926 m_lineLastClicked = (unsigned int) -1;
1927 m_lineBeforeLastClicked = (unsigned int) -1;
1928 m_lineSelectSingleOnUp = (unsigned int) -1;
1929
1930 m_hasFocus = false;
1931
1932 SetBackgroundColour( *wxWHITE );
1933
1934 m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
1935
1936 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1937 m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
1938 //Some new added code to deal with the tree structure
1939 m_root = new wxDataViewTreeNode( NULL );
1940 m_root->SetHasChildren(true);
1941
1942 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1943 m_count = -1 ;
1944 m_underMouse = NULL;
1945 UpdateDisplay();
1946 }
1947
1948 wxDataViewMainWindow::~wxDataViewMainWindow()
1949 {
1950 DestroyTree();
1951 delete m_renameTimer;
1952 }
1953
1954 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1955 {
1956 wxDataViewModel *model = GetOwner()->GetModel();
1957 wxAutoBufferedPaintDC dc( this );
1958
1959 #ifdef __WXMSW__
1960 dc.SetPen( *wxTRANSPARENT_PEN );
1961 dc.SetBrush( wxBrush( GetBackgroundColour()) );
1962 dc.SetBrush( *wxWHITE_BRUSH );
1963 wxSize size( GetClientSize() );
1964 dc.DrawRectangle( 0,0,size.x,size.y );
1965 #endif
1966
1967 // prepare the DC
1968 GetOwner()->PrepareDC( dc );
1969 dc.SetFont( GetFont() );
1970
1971 wxRect update = GetUpdateRegion().GetBox();
1972 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1973
1974 // compute which items needs to be redrawn
1975 unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
1976 unsigned int item_count =
1977 wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
1978 (int)(GetRowCount( ) - item_start));
1979 unsigned int item_last = item_start + item_count;
1980
1981 // compute which columns needs to be redrawn
1982 unsigned int cols = GetOwner()->GetColumnCount();
1983 unsigned int col_start = 0;
1984 unsigned int x_start = 0;
1985 for (x_start = 0; col_start < cols; col_start++)
1986 {
1987 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
1988 if (col->IsHidden())
1989 continue; // skip it!
1990
1991 unsigned int w = col->GetWidth();
1992 if (x_start+w >= (unsigned int)update.x)
1993 break;
1994
1995 x_start += w;
1996 }
1997
1998 unsigned int col_last = col_start;
1999 unsigned int x_last = x_start;
2000 for (; col_last < cols; col_last++)
2001 {
2002 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2003 if (col->IsHidden())
2004 continue; // skip it!
2005
2006 if (x_last > (unsigned int)update.GetRight())
2007 break;
2008
2009 x_last += col->GetWidth();
2010 }
2011
2012 // Draw horizontal rules if required
2013 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2014 {
2015 dc.SetPen(m_penRule);
2016 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2017
2018 for (unsigned int i = item_start; i <= item_last+1; i++)
2019 {
2020 int y = i * m_lineHeight;
2021 dc.DrawLine(x_start, y, x_last, y);
2022 }
2023 }
2024
2025 // Draw vertical rules if required
2026 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2027 {
2028 dc.SetPen(m_penRule);
2029 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2030
2031 int x = x_start;
2032 for (unsigned int i = col_start; i < col_last; i++)
2033 {
2034 wxDataViewColumn *col = GetOwner()->GetColumn(i);
2035 if (col->IsHidden())
2036 continue; // skip it
2037
2038 dc.DrawLine(x, item_start * m_lineHeight,
2039 x, item_last * m_lineHeight);
2040
2041 x += col->GetWidth();
2042 }
2043
2044 // Draw last vertical rule
2045 dc.DrawLine(x, item_start * m_lineHeight,
2046 x, item_last * m_lineHeight);
2047 }
2048
2049 // redraw the background for the items which are selected/current
2050 for (unsigned int item = item_start; item < item_last; item++)
2051 {
2052 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2053 if (selected || item == m_currentRow)
2054 {
2055 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2056 if (item == m_currentRow)
2057 flags |= wxCONTROL_CURRENT;
2058 if (m_hasFocus)
2059 flags |= wxCONTROL_FOCUSED;
2060
2061 wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2062 wxRendererNative::Get().DrawItemSelectionRect
2063 (
2064 this,
2065 dc,
2066 rect,
2067 flags
2068 );
2069 }
2070 }
2071
2072 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
2073 if (!expander)
2074 {
2075 // TODO: last column for RTL support
2076 expander = GetOwner()->GetColumn( 0 );
2077 GetOwner()->SetExpanderColumn(expander);
2078 }
2079
2080 // redraw all cells for all rows which must be repainted and for all columns
2081 wxRect cell_rect;
2082 cell_rect.x = x_start;
2083 cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
2084 for (unsigned int i = col_start; i < col_last; i++)
2085 {
2086 wxDataViewColumn *col = GetOwner()->GetColumn( i );
2087 wxDataViewRenderer *cell = col->GetRenderer();
2088 cell_rect.width = col->GetWidth();
2089
2090 if (col->IsHidden())
2091 continue; // skipt it!
2092
2093
2094 for (unsigned int item = item_start; item < item_last; item++)
2095 {
2096 // get the cell value and set it into the renderer
2097 wxVariant value;
2098 wxDataViewTreeNode *node = NULL;
2099 wxDataViewItem dataitem;
2100
2101 if (m_root)
2102 {
2103 node = GetTreeNodeByRow(item);
2104 if( node == NULL )
2105 continue;
2106
2107 dataitem = node->GetItem();
2108
2109 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
2110 continue;
2111 }
2112 else
2113 {
2114 dataitem = wxDataViewItem( (void*) item );
2115 }
2116
2117 model->GetValue( value, dataitem, col->GetModelColumn());
2118 cell->SetValue( value );
2119
2120 if (cell->GetWantsAttr())
2121 {
2122 wxDataViewItemAttr attr;
2123 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
2124 if (ret)
2125 cell->SetAttr( attr );
2126 cell->SetHasAttr( ret );
2127 }
2128
2129 // update the y offset
2130 cell_rect.y = item * m_lineHeight;
2131
2132 //Draw the expander here.
2133 int indent = 0;
2134 if ((m_root) && (col == expander))
2135 {
2136 indent = node->GetIndentLevel();
2137
2138 //Calculate the indent first
2139 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2140
2141 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2142 // change the cell_rect.x to the appropriate pos
2143 int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2144 indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
2145 dc.SetPen( m_penExpander );
2146 dc.SetBrush( wxNullBrush );
2147 if( node->HasChildren() )
2148 {
2149 wxRect rect( expander_x , expander_y, expander_width, expander_width);
2150 int flag = 0;
2151 if (m_underMouse == node)
2152 {
2153 flag |= wxCONTROL_CURRENT;
2154 }
2155 if( node->IsOpen() )
2156 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
2157 else
2158 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2159 }
2160 else
2161 {
2162 // I am wondering whether we should draw dot lines between tree nodes
2163 if (node)
2164 delete node;
2165 // Yes, if the node does not have any child, it must be a leaf which
2166 // mean that it is a temporarily created by GetTreeNodeByRow
2167 }
2168
2169 //force the expander column to left-center align
2170 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2171 }
2172
2173
2174 // cannot be bigger than allocated space
2175 wxSize size = cell->GetSize();
2176 // Because of the tree structure indent, here we should minus the width of the cell for drawing
2177 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2178 // size.y = wxMin( size.y, cell_rect.height );
2179 size.y = cell_rect.height;
2180
2181 wxRect item_rect(cell_rect.GetTopLeft(), size);
2182 int align = cell->GetAlignment();
2183
2184 // horizontal alignment:
2185 item_rect.x = cell_rect.x;
2186 if (align & wxALIGN_CENTER_HORIZONTAL)
2187 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2188 else if (align & wxALIGN_RIGHT)
2189 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2190 //else: wxALIGN_LEFT is the default
2191
2192 // vertical alignment:
2193 item_rect.y = cell_rect.y;
2194 if (align & wxALIGN_CENTER_VERTICAL)
2195 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2196 else if (align & wxALIGN_BOTTOM)
2197 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2198 //else: wxALIGN_TOP is the default
2199
2200 // add padding
2201 item_rect.x += PADDING_RIGHTLEFT;
2202 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2203
2204 //Here we add the tree indent
2205 item_rect.x += indent;
2206
2207 int state = 0;
2208 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
2209 state |= wxDATAVIEW_CELL_SELECTED;
2210
2211 // TODO: it would be much more efficient to create a clipping
2212 // region for the entire column being rendered (in the OnPaint
2213 // of wxDataViewMainWindow) instead of a single clip region for
2214 // each cell. However it would mean that each renderer should
2215 // respect the given wxRect's top & bottom coords, eventually
2216 // violating only the left & right coords - however the user can
2217 // make its own renderer and thus we cannot be sure of that.
2218 dc.SetClippingRegion( item_rect );
2219 cell->Render( item_rect, &dc, state );
2220 dc.DestroyClippingRegion();
2221 }
2222
2223 cell_rect.x += cell_rect.width;
2224 }
2225 }
2226
2227 void wxDataViewMainWindow::OnRenameTimer()
2228 {
2229 // We have to call this here because changes may just have
2230 // been made and no screen update taken place.
2231 if ( m_dirty )
2232 wxSafeYield();
2233
2234 int xpos = 0;
2235 unsigned int cols = GetOwner()->GetColumnCount();
2236 unsigned int i;
2237 for (i = 0; i < cols; i++)
2238 {
2239 wxDataViewColumn *c = GetOwner()->GetColumn( i );
2240 if (c->IsHidden())
2241 continue; // skip it!
2242
2243 if (c == m_currentCol)
2244 break;
2245 xpos += c->GetWidth();
2246 }
2247 wxRect labelRect( xpos, m_currentRow * m_lineHeight,
2248 m_currentCol->GetWidth(), m_lineHeight );
2249
2250 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
2251 &labelRect.x, &labelRect.y);
2252
2253 wxDataViewItem item = GetItemByRow( m_currentRow );
2254 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
2255
2256 }
2257
2258 //------------------------------------------------------------------
2259 // Helper class for do operation on the tree node
2260 //------------------------------------------------------------------
2261 class DoJob
2262 {
2263 public:
2264 DoJob(){};
2265 virtual ~DoJob(){};
2266
2267 //The return value control how the tree-walker tranverse the tree
2268 // 0: Job done, stop tranverse and return
2269 // 1: Ignore the current node's subtree and continue
2270 // 2: Job not done, continue
2271 enum { OK = 0 , IGR = 1, CONT = 2 };
2272 virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
2273 virtual int operator() ( void * n ) = 0;
2274 };
2275
2276 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2277 {
2278 if( node==NULL )
2279 return false;
2280
2281 switch( func( node ) )
2282 {
2283 case DoJob::OK :
2284 return true ;
2285 case DoJob::IGR:
2286 return false;
2287 case DoJob::CONT:
2288 default:
2289 ;
2290 }
2291
2292 wxDataViewTreeNodes nodes = node->GetNodes();
2293 wxDataViewTreeLeaves leaves = node->GetChildren();
2294
2295 int len_nodes = nodes.GetCount();
2296 int len = leaves.GetCount();
2297 int i = 0, nodes_i = 0;
2298
2299 for( ; i < len ; i ++ )
2300 {
2301 void * n = leaves[i];
2302 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2303 {
2304 wxDataViewTreeNode * nd = nodes[nodes_i];
2305 nodes_i++;
2306
2307 if( Walker( nd , func ) )
2308 return true;
2309
2310 }
2311 else
2312 switch( func( n ) )
2313 {
2314 case DoJob::OK :
2315 return true ;
2316 case DoJob::IGR:
2317 continue;
2318 case DoJob::CONT:
2319 default:
2320 ;
2321 }
2322 }
2323 return false;
2324 }
2325
2326 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2327 {
2328 if (!m_root)
2329 {
2330 m_count++;
2331 UpdateDisplay();
2332 return true;
2333 }
2334
2335 SortPrepare();
2336
2337 wxDataViewTreeNode * node;
2338 node = FindNode(parent);
2339
2340 if( node == NULL )
2341 return false;
2342
2343 node->SetHasChildren( true );
2344
2345 if( g_model->IsContainer( item ) )
2346 {
2347 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2348 newnode->SetItem(item);
2349 newnode->SetHasChildren( true );
2350 node->AddNode( newnode);
2351 }
2352 else
2353 node->AddLeaf( item.GetID() );
2354
2355 node->ChangeSubTreeCount(1);
2356
2357 m_count = -1;
2358 UpdateDisplay();
2359
2360 return true;
2361 }
2362
2363 void DestroyTreeHelper( wxDataViewTreeNode * node);
2364
2365 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2366 const wxDataViewItem& item)
2367 {
2368 if (!m_root)
2369 {
2370 m_count--;
2371 if( m_currentRow > GetRowCount() )
2372 m_currentRow = m_count - 1;
2373
2374 m_selection.Empty();
2375
2376 UpdateDisplay();
2377
2378 return true;
2379 }
2380
2381 wxDataViewTreeNode * node = FindNode(parent);
2382
2383 wxCHECK_MSG( node != NULL, false, "item not found" );
2384 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2385
2386 int sub = -1;
2387 node->GetChildren().Remove( item.GetID() );
2388 //Manuplate selection
2389 if( m_selection.GetCount() > 1 )
2390 {
2391 m_selection.Empty();
2392 }
2393 bool isContainer = false;
2394 wxDataViewTreeNodes nds = node->GetNodes();
2395 for (size_t i = 0; i < nds.GetCount(); i ++)
2396 {
2397 if (nds[i]->GetItem() == item)
2398 {
2399 isContainer = true;
2400 break;
2401 }
2402 }
2403 if( isContainer )
2404 {
2405 wxDataViewTreeNode * n = NULL;
2406 wxDataViewTreeNodes nodes = node->GetNodes();
2407 int len = nodes.GetCount();
2408 for( int i = 0 ; i < len; i ++)
2409 {
2410 if( nodes[i]->GetItem() == item )
2411 {
2412 n = nodes[i];
2413 break;
2414 }
2415 }
2416
2417 wxCHECK_MSG( n != NULL, false, "item not found" );
2418
2419 node->GetNodes().Remove( n );
2420 sub -= n->GetSubTreeCount();
2421 DestroyTreeHelper(n);
2422 }
2423 //Make the row number invalid and get a new valid one when user call GetRowCount
2424 m_count = -1;
2425 node->ChangeSubTreeCount(sub);
2426 if( node->GetChildrenNumber() == 0)
2427 {
2428 node->GetParent()->GetNodes().Remove( node );
2429 delete node;
2430 }
2431
2432 //Change the current row to the last row if the current exceed the max row number
2433 if( m_currentRow > GetRowCount() )
2434 m_currentRow = m_count - 1;
2435
2436 UpdateDisplay();
2437
2438 return true;
2439 }
2440
2441 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2442 {
2443 SortPrepare();
2444 g_model->Resort();
2445
2446 //Send event
2447 wxWindow *parent = GetParent();
2448 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2449 le.SetEventObject(parent);
2450 le.SetModel(GetOwner()->GetModel());
2451 le.SetItem(item);
2452 parent->GetEventHandler()->ProcessEvent(le);
2453
2454 return true;
2455 }
2456
2457 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2458 {
2459 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2460 /*#define MAX_VIRTUAL_WIDTH 100000
2461
2462 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2463 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2464 Refresh( true, &rect );
2465
2466 return true;
2467 */
2468 SortPrepare();
2469 g_model->Resort();
2470
2471 //Send event
2472 wxWindow *parent = GetParent();
2473 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2474 le.SetEventObject(parent);
2475 le.SetModel(GetOwner()->GetModel());
2476 le.SetItem(item);
2477 le.SetColumn(col);
2478 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2479 parent->GetEventHandler()->ProcessEvent(le);
2480
2481 return true;
2482 }
2483
2484 bool wxDataViewMainWindow::Cleared()
2485 {
2486 DestroyTree();
2487
2488 SortPrepare();
2489 BuildTree( GetOwner()->GetModel() );
2490
2491 UpdateDisplay();
2492
2493 return true;
2494 }
2495
2496 void wxDataViewMainWindow::UpdateDisplay()
2497 {
2498 m_dirty = true;
2499 }
2500
2501 void wxDataViewMainWindow::OnInternalIdle()
2502 {
2503 wxWindow::OnInternalIdle();
2504
2505 if (m_dirty)
2506 {
2507 RecalculateDisplay();
2508 m_dirty = false;
2509 }
2510 }
2511
2512 void wxDataViewMainWindow::RecalculateDisplay()
2513 {
2514 wxDataViewModel *model = GetOwner()->GetModel();
2515 if (!model)
2516 {
2517 Refresh();
2518 return;
2519 }
2520
2521 int width = GetEndOfLastCol();
2522 int height = GetRowCount() * m_lineHeight;
2523
2524 SetVirtualSize( width, height );
2525 GetOwner()->SetScrollRate( 10, m_lineHeight );
2526
2527 Refresh();
2528 }
2529
2530 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2531 {
2532 wxWindow::ScrollWindow( dx, dy, rect );
2533
2534 if (GetOwner()->m_headerArea)
2535 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2536 }
2537
2538 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2539 {
2540 int x, y;
2541 m_owner->GetScrollPixelsPerUnit( &x, &y );
2542 int sy = rows*m_lineHeight/y;
2543 int sx = 0;
2544 if( column != -1 )
2545 {
2546 wxRect rect = GetClientRect();
2547 int colnum = 0;
2548 int x_start = 0, x_end = 0, w = 0;
2549 int xx, yy, xe;
2550 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2551 for (x_start = 0; colnum < column; colnum++)
2552 {
2553 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2554 if (col->IsHidden())
2555 continue; // skip it!
2556
2557 w = col->GetWidth();
2558 x_start += w;
2559 }
2560
2561 x_end = x_start + w;
2562 xe = xx + rect.width;
2563 if( x_end > xe )
2564 {
2565 sx = ( xx + x_end - xe )/x;
2566 }
2567 if( x_start < xx )
2568 {
2569 sx = x_start/x;
2570 }
2571 }
2572 m_owner->Scroll( sx, sy );
2573 }
2574
2575 int wxDataViewMainWindow::GetCountPerPage() const
2576 {
2577 wxSize size = GetClientSize();
2578 return size.y / m_lineHeight;
2579 }
2580
2581 int wxDataViewMainWindow::GetEndOfLastCol() const
2582 {
2583 int width = 0;
2584 unsigned int i;
2585 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2586 {
2587 const wxDataViewColumn *c =
2588 wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2589
2590 if (!c->IsHidden())
2591 width += c->GetWidth();
2592 }
2593 return width;
2594 }
2595
2596 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2597 {
2598 int x = 0;
2599 int y = 0;
2600 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2601
2602 return y / m_lineHeight;
2603 }
2604
2605 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2606 {
2607 wxSize client_size = GetClientSize();
2608 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2609 &client_size.x, &client_size.y );
2610
2611 //we should deal with the pixel here
2612 unsigned int row = ((client_size.y)/m_lineHeight) - 1;
2613
2614 return wxMin( GetRowCount()-1, row );
2615 }
2616
2617 unsigned int wxDataViewMainWindow::GetRowCount()
2618 {
2619 if ( m_count == -1 )
2620 {
2621 m_count = RecalculateCount();
2622 int width, height;
2623 GetVirtualSize( &width, &height );
2624 height = m_count * m_lineHeight;
2625
2626 SetVirtualSize( width, height );
2627 }
2628 return m_count;
2629 }
2630
2631 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2632 {
2633 m_currentRow = row;
2634
2635 // send event
2636 }
2637
2638 void wxDataViewMainWindow::SelectAllRows( bool on )
2639 {
2640 if (IsEmpty())
2641 return;
2642
2643 if (on)
2644 {
2645 m_selection.Clear();
2646 for (unsigned int i = 0; i < GetRowCount(); i++)
2647 m_selection.Add( i );
2648 Refresh();
2649 }
2650 else
2651 {
2652 unsigned int first_visible = GetFirstVisibleRow();
2653 unsigned int last_visible = GetLastVisibleRow();
2654 unsigned int i;
2655 for (i = 0; i < m_selection.GetCount(); i++)
2656 {
2657 unsigned int row = m_selection[i];
2658 if ((row >= first_visible) && (row <= last_visible))
2659 RefreshRow( row );
2660 }
2661 m_selection.Clear();
2662 }
2663 }
2664
2665 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2666 {
2667 if (m_selection.Index( row ) == wxNOT_FOUND)
2668 {
2669 if (on)
2670 {
2671 m_selection.Add( row );
2672 RefreshRow( row );
2673 }
2674 }
2675 else
2676 {
2677 if (!on)
2678 {
2679 m_selection.Remove( row );
2680 RefreshRow( row );
2681 }
2682 }
2683 }
2684
2685 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2686 {
2687 if (from > to)
2688 {
2689 unsigned int tmp = from;
2690 from = to;
2691 to = tmp;
2692 }
2693
2694 unsigned int i;
2695 for (i = from; i <= to; i++)
2696 {
2697 if (m_selection.Index( i ) == wxNOT_FOUND)
2698 {
2699 if (on)
2700 m_selection.Add( i );
2701 }
2702 else
2703 {
2704 if (!on)
2705 m_selection.Remove( i );
2706 }
2707 }
2708 RefreshRows( from, to );
2709 }
2710
2711 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2712 {
2713 for (size_t i=0; i < aSelections.GetCount(); i++)
2714 {
2715 int n = aSelections[i];
2716
2717 m_selection.Add( n );
2718 RefreshRow( n );
2719 }
2720 }
2721
2722 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2723 {
2724 if (m_selection.Index( row ) == wxNOT_FOUND)
2725 m_selection.Add( row );
2726 else
2727 m_selection.Remove( row );
2728 RefreshRow( row );
2729 }
2730
2731 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2732 {
2733 return (m_selection.Index( row ) != wxNOT_FOUND);
2734 }
2735
2736 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2737 {
2738 wxWindow *parent = GetParent();
2739 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2740
2741 le.SetEventObject(parent);
2742 le.SetModel(GetOwner()->GetModel());
2743 le.SetItem( item );
2744
2745 parent->GetEventHandler()->ProcessEvent(le);
2746 }
2747
2748 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2749 {
2750 wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2751 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2752
2753 wxSize client_size = GetClientSize();
2754 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2755 wxRect intersect_rect = client_rect.Intersect( rect );
2756 if (intersect_rect.width > 0)
2757 Refresh( true, &intersect_rect );
2758 }
2759
2760 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2761 {
2762 if (from > to)
2763 {
2764 unsigned int tmp = to;
2765 to = from;
2766 from = tmp;
2767 }
2768
2769 wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2770 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2771
2772 wxSize client_size = GetClientSize();
2773 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2774 wxRect intersect_rect = client_rect.Intersect( rect );
2775 if (intersect_rect.width > 0)
2776 Refresh( true, &intersect_rect );
2777 }
2778
2779 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2780 {
2781 unsigned int count = GetRowCount();
2782 if (firstRow > count)
2783 return;
2784
2785 wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2786 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2787
2788 wxSize client_size = GetClientSize();
2789 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2790 wxRect intersect_rect = client_rect.Intersect( rect );
2791 if (intersect_rect.width > 0)
2792 Refresh( true, &intersect_rect );
2793 }
2794
2795 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2796 {
2797 wxCHECK_RET( newCurrent < GetRowCount(),
2798 _T("invalid item index in OnArrowChar()") );
2799
2800 // if there is no selection, we cannot move it anywhere
2801 if (!HasCurrentRow())
2802 return;
2803
2804 unsigned int oldCurrent = m_currentRow;
2805
2806 // in single selection we just ignore Shift as we can't select several
2807 // items anyhow
2808 if ( event.ShiftDown() && !IsSingleSel() )
2809 {
2810 RefreshRow( oldCurrent );
2811
2812 ChangeCurrentRow( newCurrent );
2813
2814 // select all the items between the old and the new one
2815 if ( oldCurrent > newCurrent )
2816 {
2817 newCurrent = oldCurrent;
2818 oldCurrent = m_currentRow;
2819 }
2820
2821 SelectRows( oldCurrent, newCurrent, true );
2822 if (oldCurrent!=newCurrent)
2823 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2824 }
2825 else // !shift
2826 {
2827 RefreshRow( oldCurrent );
2828
2829 // all previously selected items are unselected unless ctrl is held
2830 if ( !event.ControlDown() )
2831 SelectAllRows(false);
2832
2833 ChangeCurrentRow( newCurrent );
2834
2835 if ( !event.ControlDown() )
2836 {
2837 SelectRow( m_currentRow, true );
2838 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2839 }
2840 else
2841 RefreshRow( m_currentRow );
2842 }
2843
2844 GetOwner()->EnsureVisible( m_currentRow, -1 );
2845 }
2846
2847 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2848 {
2849 wxRect rect;
2850 rect.x = 0;
2851 rect.y = m_lineHeight * row;
2852 rect.width = GetEndOfLastCol();
2853 rect.height = m_lineHeight;
2854
2855 return rect;
2856 }
2857
2858 class RowToItemJob: public DoJob
2859 {
2860 public:
2861 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2862 virtual ~RowToItemJob(){};
2863
2864 virtual int operator() ( wxDataViewTreeNode * node )
2865 {
2866 current ++;
2867 if( current == static_cast<int>(row))
2868 {
2869 ret = node->GetItem() ;
2870 return DoJob::OK;
2871 }
2872
2873 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2874 {
2875 current += node->GetSubTreeCount();
2876 return DoJob::IGR;
2877 }
2878 else
2879 {
2880 //If the current has no child node, we can find the desired item of the row number directly.
2881 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2882 if( node->GetNodes().GetCount() == 0)
2883 {
2884 int index = static_cast<int>(row) - current - 1;
2885 ret = node->GetChildren().Item( index );
2886 return DoJob::OK;
2887 }
2888 return DoJob::CONT;
2889 }
2890 }
2891
2892 virtual int operator() ( void * n )
2893 {
2894 current ++;
2895 if( current == static_cast<int>(row))
2896 {
2897 ret = wxDataViewItem( n ) ;
2898 return DoJob::OK;
2899 }
2900 return DoJob::CONT;
2901 }
2902 wxDataViewItem GetResult(){ return ret; }
2903 private:
2904 unsigned int row;
2905 int current ;
2906 wxDataViewItem ret;
2907 };
2908
2909 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2910 {
2911 if (!m_root)
2912 {
2913 return wxDataViewItem( (void*) row );
2914 }
2915 else
2916 {
2917 RowToItemJob job( row, -2 );
2918 Walker( m_root , job );
2919 return job.GetResult();
2920 }
2921 }
2922
2923 class RowToTreeNodeJob: public DoJob
2924 {
2925 public:
2926 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2927 {
2928 this->row = row;
2929 this->current = current ;
2930 ret = NULL ;
2931 parent = node;
2932 }
2933 virtual ~RowToTreeNodeJob(){};
2934
2935 virtual int operator() ( wxDataViewTreeNode * node )
2936 {
2937 current ++;
2938 if( current == static_cast<int>(row))
2939 {
2940 ret = node ;
2941 return DoJob::OK;
2942 }
2943
2944 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2945 {
2946 current += node->GetSubTreeCount();
2947 return DoJob::IGR;
2948 }
2949 else
2950 {
2951 parent = node;
2952 //If the current has no child node, we can find the desired item of the row number directly.
2953 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2954 if( node->GetNodes().GetCount() == 0)
2955 {
2956 int index = static_cast<int>(row) - current - 1;
2957 void * n = node->GetChildren().Item( index );
2958 ret = new wxDataViewTreeNode( parent ) ;
2959 ret->SetItem( wxDataViewItem( n ));
2960 ret->SetHasChildren(false);
2961 return DoJob::OK;
2962 }
2963 return DoJob::CONT;
2964 }
2965
2966
2967 }
2968
2969 virtual int operator() ( void * n )
2970 {
2971 current ++;
2972 if( current == static_cast<int>(row))
2973 {
2974 ret = new wxDataViewTreeNode( parent ) ;
2975 ret->SetItem( wxDataViewItem( n ));
2976 ret->SetHasChildren(false);
2977 return DoJob::OK;
2978 }
2979
2980 return DoJob::CONT;
2981 }
2982 wxDataViewTreeNode * GetResult(){ return ret; }
2983 private:
2984 unsigned int row;
2985 int current ;
2986 wxDataViewTreeNode * ret;
2987 wxDataViewTreeNode * parent ;
2988 };
2989
2990
2991 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
2992 {
2993 if (!m_root)
2994 {
2995 return NULL;
2996 }
2997 else
2998 {
2999 RowToTreeNodeJob job( row , -2, m_root );
3000 Walker( m_root , job );
3001 return job.GetResult();
3002 }
3003 }
3004
3005 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
3006 {
3007 wxWindow *parent = GetParent();
3008 wxDataViewEvent le(type, parent->GetId());
3009
3010 le.SetEventObject(parent);
3011 le.SetModel(GetOwner()->GetModel());
3012 le.SetItem( item );
3013
3014 parent->GetEventHandler()->ProcessEvent(le);
3015 return le;
3016 }
3017
3018 void wxDataViewMainWindow::OnExpanding( unsigned int row )
3019 {
3020 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3021 if( node != NULL )
3022 {
3023 if( node->HasChildren())
3024 {
3025 if( !node->IsOpen())
3026 {
3027 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
3028 //Check if the user prevent expanding
3029 if( e.GetSkipped() )
3030 return;
3031
3032 node->ToggleOpen();
3033 //Here I build the children of current node
3034 if( node->GetChildrenNumber() == 0 )
3035 {
3036 SortPrepare();
3037 BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
3038 }
3039 m_count = -1;
3040 UpdateDisplay();
3041 //Send the expanded event
3042 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3043 }
3044 else
3045 {
3046 SelectRow( row, false );
3047 SelectRow( row + 1, true );
3048 ChangeCurrentRow( row + 1 );
3049 SendSelectionChangedEvent( GetItemByRow(row+1));
3050 }
3051 }
3052 else
3053 delete node;
3054 }
3055 }
3056
3057 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
3058 {
3059 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3060 if( node != NULL )
3061 {
3062 wxDataViewTreeNode * nd = node;
3063
3064 if( node->HasChildren() && node->IsOpen() )
3065 {
3066 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3067 if( e.GetSkipped() )
3068 return;
3069 node->ToggleOpen();
3070 m_count = -1;
3071 UpdateDisplay();
3072 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
3073 }
3074 else
3075 {
3076 node = node->GetParent();
3077 if( node != NULL )
3078 {
3079 int parent = GetRowByItem( node->GetItem() ) ;
3080 if( parent >= 0 )
3081 {
3082 SelectRow( row, false);
3083 SelectRow(parent , true );
3084 ChangeCurrentRow( parent );
3085 SendSelectionChangedEvent( node->GetItem() );
3086 }
3087 }
3088 }
3089 if( !nd->HasChildren())
3090 delete nd;
3091 }
3092 }
3093
3094 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3095 {
3096 wxDataViewModel * model = GetOwner()->GetModel();
3097 if( model == NULL )
3098 return NULL;
3099
3100 //Compose the a parent-chain of the finding item
3101 ItemList list;
3102 list.DeleteContents( true );
3103 wxDataViewItem it( item );
3104 while( it.IsOk() )
3105 {
3106 wxDataViewItem * pItem = new wxDataViewItem( it );
3107 list.Insert( pItem );
3108 it = model->GetParent( it );
3109 }
3110
3111 //Find the item along the parent-chain.
3112 //This algorithm is designed to speed up the node-finding method
3113 wxDataViewTreeNode * node = m_root;
3114 for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )
3115 {
3116 if( node->HasChildren() )
3117 {
3118 if( node->GetChildrenNumber() == 0 )
3119 {
3120 SortPrepare();
3121 BuildTreeHelper(model, node->GetItem(), node);
3122 }
3123
3124 wxDataViewTreeNodes nodes = node->GetNodes();
3125 unsigned int i = 0;
3126 for (; i < nodes.GetCount(); i ++)
3127 {
3128 if (nodes[i]->GetItem() == (**iter))
3129 {
3130 node = nodes[i];
3131 break;
3132 }
3133 }
3134 if (i == nodes.GetCount())
3135 return NULL;
3136 }
3137 else
3138 return NULL;
3139 }
3140 return node;
3141 }
3142
3143 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3144 {
3145 wxDataViewColumn *col = NULL;
3146 unsigned int cols = GetOwner()->GetColumnCount();
3147 unsigned int colnum = 0;
3148 unsigned int x_start = 0;
3149 int x, y;
3150 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3151 for (x_start = 0; colnum < cols; colnum++)
3152 {
3153 col = GetOwner()->GetColumn(colnum);
3154 if (col->IsHidden())
3155 continue; // skip it!
3156
3157 unsigned int w = col->GetWidth();
3158 if (x_start+w >= (unsigned int)x)
3159 break;
3160
3161 x_start += w;
3162 }
3163
3164 column = col;
3165 item = GetItemByRow( y/m_lineHeight );
3166 }
3167
3168 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3169 {
3170 int row = GetRowByItem(item);
3171 int y = row*m_lineHeight;
3172 int h = m_lineHeight;
3173 int x = 0;
3174 wxDataViewColumn *col = NULL;
3175 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3176 {
3177 col = GetOwner()->GetColumn( i );
3178 x += col->GetWidth();
3179 if( GetOwner()->GetColumn(i+1) == column )
3180 break;
3181 }
3182 int w = col->GetWidth();
3183 m_owner->CalcScrolledPosition( x, y, &x, &y );
3184 return wxRect(x, y, w, h);
3185 }
3186
3187 int wxDataViewMainWindow::RecalculateCount()
3188 {
3189 if (!m_root)
3190 {
3191 wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3192 #ifndef __WXMAC__
3193 return list_model->GetLastIndex() + 1;
3194 #else
3195 return list_model->GetLastIndex() - 1;
3196 #endif
3197 }
3198 else
3199 {
3200 return m_root->GetSubTreeCount();
3201 }
3202 }
3203
3204 class ItemToRowJob : public DoJob
3205 {
3206 public:
3207 ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
3208 { this->item = item ; ret = -1 ; m_iter = iter ; }
3209 virtual ~ItemToRowJob(){};
3210
3211 //Maybe binary search will help to speed up this process
3212 virtual int operator() ( wxDataViewTreeNode * node)
3213 {
3214 ret ++;
3215 if( node->GetItem() == item )
3216 {
3217 return DoJob::OK;
3218 }
3219
3220 if( node->GetItem() == **m_iter )
3221 {
3222 m_iter++ ;
3223 return DoJob::CONT;
3224 }
3225 else
3226 {
3227 ret += node->GetSubTreeCount();
3228 return DoJob::IGR;
3229 }
3230
3231 }
3232
3233 virtual int operator() ( void * n )
3234 {
3235 ret ++;
3236 if( n == item.GetID() )
3237 return DoJob::OK;
3238 return DoJob::CONT;
3239 }
3240 //the row number is begin from zero
3241 int GetResult(){ return ret -1 ; }
3242 private:
3243 ItemList::const_iterator m_iter;
3244 wxDataViewItem item;
3245 int ret;
3246
3247 };
3248
3249 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3250 {
3251 wxDataViewModel * model = GetOwner()->GetModel();
3252 if( model == NULL )
3253 return -1;
3254
3255 if (!m_root)
3256 {
3257 return wxPtrToUInt( item.GetID() );
3258 }
3259 else
3260 {
3261 if( !item.IsOk() )
3262 return -1;
3263
3264 //Compose the a parent-chain of the finding item
3265 ItemList list;
3266 wxDataViewItem * pItem = NULL;
3267 list.DeleteContents( true );
3268 wxDataViewItem it( item );
3269 while( it.IsOk() )
3270 {
3271 pItem = new wxDataViewItem( it );
3272 list.Insert( pItem );
3273 it = model->GetParent( it );
3274 }
3275 pItem = new wxDataViewItem( );
3276 list.Insert( pItem );
3277
3278 ItemToRowJob job( item, list.begin() );
3279 Walker(m_root , job );
3280 return job.GetResult();
3281 }
3282 }
3283
3284 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
3285 {
3286 if( !model->IsContainer( item ) )
3287 return ;
3288
3289 wxDataViewItemArray children;
3290 unsigned int num = model->GetChildren( item, children);
3291 unsigned int index = 0;
3292 while( index < num )
3293 {
3294 if( model->IsContainer( children[index] ) )
3295 {
3296 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3297 n->SetItem(children[index]);
3298 n->SetHasChildren( true ) ;
3299 node->AddNode( n );
3300 }
3301 else
3302 {
3303 node->AddLeaf( children[index].GetID() );
3304 }
3305 index ++;
3306 }
3307 node->SetSubTreeCount( num );
3308 wxDataViewTreeNode * n = node->GetParent();
3309 if( n != NULL)
3310 n->ChangeSubTreeCount(num);
3311
3312 }
3313
3314 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3315 {
3316 DestroyTree();
3317
3318 if (GetOwner()->GetModel()->IsIndexListModel())
3319 {
3320 m_count = -1 ;
3321 return;
3322 }
3323
3324 m_root = new wxDataViewTreeNode( NULL );
3325 m_root->SetHasChildren(true);
3326
3327 //First we define a invalid item to fetch the top-level elements
3328 wxDataViewItem item;
3329 SortPrepare();
3330 BuildTreeHelper( model, item, m_root);
3331 m_count = -1 ;
3332 }
3333
3334 void DestroyTreeHelper( wxDataViewTreeNode * node )
3335 {
3336 if( node->GetNodeNumber() != 0 )
3337 {
3338 int len = node->GetNodeNumber();
3339 int i = 0 ;
3340 wxDataViewTreeNodes nodes = node->GetNodes();
3341 for( ; i < len; i ++ )
3342 {
3343 DestroyTreeHelper(nodes[i]);
3344 }
3345 }
3346 delete node;
3347 }
3348
3349 void wxDataViewMainWindow::DestroyTree()
3350 {
3351 if (m_root)
3352 {
3353 DestroyTreeHelper(m_root);
3354 m_count = 0;
3355 m_root = NULL;
3356 }
3357 }
3358
3359 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3360 {
3361 if (event.GetKeyCode() == WXK_TAB)
3362 {
3363 wxNavigationKeyEvent nevent;
3364 nevent.SetWindowChange( event.ControlDown() );
3365 nevent.SetDirection( !event.ShiftDown() );
3366 nevent.SetEventObject( GetParent()->GetParent() );
3367 nevent.SetCurrentFocus( m_parent );
3368 if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
3369 return;
3370 }
3371
3372 // no item -> nothing to do
3373 if (!HasCurrentRow())
3374 {
3375 event.Skip();
3376 return;
3377 }
3378
3379 // don't use m_linesPerPage directly as it might not be computed yet
3380 const int pageSize = GetCountPerPage();
3381 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3382
3383 switch ( event.GetKeyCode() )
3384 {
3385 case WXK_RETURN:
3386 {
3387 if (m_currentRow > 0)
3388 {
3389 wxWindow *parent = GetParent();
3390 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3391 le.SetItem( GetItemByRow(m_currentRow) );
3392 le.SetEventObject(parent);
3393 le.SetModel(GetOwner()->GetModel());
3394
3395 parent->GetEventHandler()->ProcessEvent(le);
3396 }
3397 break;
3398 }
3399 case WXK_UP:
3400 if ( m_currentRow > 0 )
3401 OnArrowChar( m_currentRow - 1, event );
3402 break;
3403
3404 case WXK_DOWN:
3405 if ( m_currentRow < GetRowCount() - 1 )
3406 OnArrowChar( m_currentRow + 1, event );
3407 break;
3408 //Add the process for tree expanding/collapsing
3409 case WXK_LEFT:
3410 OnCollapsing(m_currentRow);
3411 break;
3412 case WXK_RIGHT:
3413 OnExpanding( m_currentRow);
3414 break;
3415 case WXK_END:
3416 if (!IsEmpty())
3417 OnArrowChar( GetRowCount() - 1, event );
3418 break;
3419
3420 case WXK_HOME:
3421 if (!IsEmpty())
3422 OnArrowChar( 0, event );
3423 break;
3424
3425 case WXK_PAGEUP:
3426 {
3427 int steps = pageSize - 1;
3428 int index = m_currentRow - steps;
3429 if (index < 0)
3430 index = 0;
3431
3432 OnArrowChar( index, event );
3433 }
3434 break;
3435
3436 case WXK_PAGEDOWN:
3437 {
3438 int steps = pageSize - 1;
3439 unsigned int index = m_currentRow + steps;
3440 unsigned int count = GetRowCount();
3441 if ( index >= count )
3442 index = count - 1;
3443
3444 OnArrowChar( index, event );
3445 }
3446 break;
3447
3448 default:
3449 event.Skip();
3450 }
3451 }
3452
3453 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3454 {
3455 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3456 {
3457 // let the base handle mouse wheel events.
3458 event.Skip();
3459 return;
3460 }
3461
3462 int x = event.GetX();
3463 int y = event.GetY();
3464 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3465 wxDataViewColumn *col = NULL;
3466
3467 int xpos = 0;
3468 unsigned int cols = GetOwner()->GetColumnCount();
3469 unsigned int i;
3470 for (i = 0; i < cols; i++)
3471 {
3472 wxDataViewColumn *c = GetOwner()->GetColumn( i );
3473 if (c->IsHidden())
3474 continue; // skip it!
3475
3476 if (x < xpos + c->GetWidth())
3477 {
3478 col = c;
3479 break;
3480 }
3481 xpos += c->GetWidth();
3482 }
3483 if (!col)
3484 return;
3485
3486 wxDataViewRenderer *cell = col->GetRenderer();
3487 unsigned int current = y / m_lineHeight;
3488 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3489 {
3490 // Unselect all if below the last row ?
3491 return;
3492 }
3493
3494 //Test whether the mouse is hovered on the tree item button
3495 bool hover = false;
3496 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3497 {
3498 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3499 if( node!=NULL && node->HasChildren() )
3500 {
3501 int indent = node->GetIndentLevel();
3502 indent = GetOwner()->GetIndent()*indent;
3503 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3504 if( rect.Contains( x, y) )
3505 {
3506 //So the mouse is over the expander
3507 hover = true;
3508 if (m_underMouse && m_underMouse != node)
3509 {
3510 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3511 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3512 }
3513 if (m_underMouse != node)
3514 {
3515 //wxLogMessage("Do the row: %d", current);
3516 RefreshRow(current);
3517 }
3518 m_underMouse = node;
3519 }
3520 }
3521 if (node!=NULL && !node->HasChildren())
3522 delete node;
3523 }
3524 if (!hover)
3525 {
3526 if (m_underMouse != NULL)
3527 {
3528 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3529 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3530 m_underMouse = NULL;
3531 }
3532 }
3533
3534 wxDataViewModel *model = GetOwner()->GetModel();
3535
3536 if (event.Dragging())
3537 {
3538 if (m_dragCount == 0)
3539 {
3540 // we have to report the raw, physical coords as we want to be
3541 // able to call HitTest(event.m_pointDrag) from the user code to
3542 // get the item being dragged
3543 m_dragStart = event.GetPosition();
3544 }
3545
3546 m_dragCount++;
3547
3548 if (m_dragCount != 3)
3549 return;
3550
3551 if (event.LeftIsDown())
3552 {
3553 // Notify cell about drag
3554 }
3555 return;
3556 }
3557 else
3558 {
3559 m_dragCount = 0;
3560 }
3561
3562 bool forceClick = false;
3563
3564 if (event.ButtonDClick())
3565 {
3566 m_renameTimer->Stop();
3567 m_lastOnSame = false;
3568 }
3569
3570 wxDataViewItem item = GetItemByRow(current);
3571 bool ignore_other_columns =
3572 ((GetOwner()->GetExpanderColumn() != col) &&
3573 (model->IsContainer(item)) &&
3574 (!model->HasContainerColumns(item)));
3575
3576 if (event.LeftDClick())
3577 {
3578 if ( current == m_lineLastClicked )
3579 {
3580 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3581 {
3582 wxVariant value;
3583 model->GetValue( value, item, col->GetModelColumn() );
3584 cell->SetValue( value );
3585 wxRect cell_rect( xpos, current * m_lineHeight,
3586 col->GetWidth(), m_lineHeight );
3587 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3588
3589 }
3590 else
3591 {
3592 wxWindow *parent = GetParent();
3593 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3594 le.SetItem( item );
3595 le.SetEventObject(parent);
3596 le.SetModel(GetOwner()->GetModel());
3597
3598 parent->GetEventHandler()->ProcessEvent(le);
3599 }
3600 return;
3601 }
3602 else
3603 {
3604 // The first click was on another item, so don't interpret this as
3605 // a double click, but as a simple click instead
3606 forceClick = true;
3607 }
3608 }
3609
3610 if (event.LeftUp())
3611 {
3612 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3613 {
3614 // select single line
3615 SelectAllRows( false );
3616 SelectRow( m_lineSelectSingleOnUp, true );
3617 }
3618
3619 //Process the event of user clicking the expander
3620 bool expander = false;
3621 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3622 {
3623 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3624 if( node!=NULL && node->HasChildren() )
3625 {
3626 int indent = node->GetIndentLevel();
3627 indent = GetOwner()->GetIndent()*indent;
3628 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3629 if( rect.Contains( x, y) )
3630 {
3631 expander = true;
3632 if( node->IsOpen() )
3633 OnCollapsing(current);
3634 else
3635 OnExpanding( current );
3636 }
3637 }
3638 }
3639 //If the user click the expander, we do not do editing even if the column with expander are editable
3640 if (m_lastOnSame && !expander && !ignore_other_columns)
3641 {
3642 if ((col == m_currentCol) && (current == m_currentRow) &&
3643 (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
3644 {
3645 m_renameTimer->Start( 100, true );
3646 }
3647 }
3648
3649 m_lastOnSame = false;
3650 m_lineSelectSingleOnUp = (unsigned int)-1;
3651 }
3652 else
3653 {
3654 // This is necessary, because after a DnD operation in
3655 // from and to ourself, the up event is swallowed by the
3656 // DnD code. So on next non-up event (which means here and
3657 // now) m_lineSelectSingleOnUp should be reset.
3658 m_lineSelectSingleOnUp = (unsigned int)-1;
3659 }
3660
3661 if (event.RightDown())
3662 {
3663 m_lineBeforeLastClicked = m_lineLastClicked;
3664 m_lineLastClicked = current;
3665
3666 // If the item is already selected, do not update the selection.
3667 // Multi-selections should not be cleared if a selected item is clicked.
3668 if (!IsRowSelected(current))
3669 {
3670 SelectAllRows(false);
3671 ChangeCurrentRow(current);
3672 SelectRow(m_currentRow,true);
3673 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3674 }
3675
3676 // notify cell about right click
3677 // cell->...
3678
3679 // Allow generation of context menu event
3680 event.Skip();
3681 }
3682 else if (event.MiddleDown())
3683 {
3684 // notify cell about middle click
3685 // cell->...
3686 }
3687 if (event.LeftDown() || forceClick)
3688 {
3689 SetFocus();
3690
3691 m_lineBeforeLastClicked = m_lineLastClicked;
3692 m_lineLastClicked = current;
3693
3694 unsigned int oldCurrentRow = m_currentRow;
3695 bool oldWasSelected = IsRowSelected(m_currentRow);
3696
3697 bool cmdModifierDown = event.CmdDown();
3698 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3699 {
3700 if ( IsSingleSel() || !IsRowSelected(current) )
3701 {
3702 SelectAllRows( false );
3703 ChangeCurrentRow(current);
3704 SelectRow(m_currentRow,true);
3705 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3706 }
3707 else // multi sel & current is highlighted & no mod keys
3708 {
3709 m_lineSelectSingleOnUp = current;
3710 ChangeCurrentRow(current); // change focus
3711 }
3712 }
3713 else // multi sel & either ctrl or shift is down
3714 {
3715 if (cmdModifierDown)
3716 {
3717 ChangeCurrentRow(current);
3718 ReverseRowSelection(m_currentRow);
3719 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3720 }
3721 else if (event.ShiftDown())
3722 {
3723 ChangeCurrentRow(current);
3724
3725 unsigned int lineFrom = oldCurrentRow,
3726 lineTo = current;
3727
3728 if ( lineTo < lineFrom )
3729 {
3730 lineTo = lineFrom;
3731 lineFrom = m_currentRow;
3732 }
3733
3734 SelectRows(lineFrom, lineTo, true);
3735 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3736 }
3737 else // !ctrl, !shift
3738 {
3739 // test in the enclosing if should make it impossible
3740 wxFAIL_MSG( _T("how did we get here?") );
3741 }
3742 }
3743
3744 if (m_currentRow != oldCurrentRow)
3745 RefreshRow( oldCurrentRow );
3746
3747 wxDataViewColumn *oldCurrentCol = m_currentCol;
3748
3749 // Update selection here...
3750 m_currentCol = col;
3751
3752 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3753 (current == oldCurrentRow)) && oldWasSelected;
3754 }
3755 }
3756
3757 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3758 {
3759 m_hasFocus = true;
3760
3761 if (HasCurrentRow())
3762 Refresh();
3763
3764 event.Skip();
3765 }
3766
3767 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3768 {
3769 m_hasFocus = false;
3770
3771 if (HasCurrentRow())
3772 Refresh();
3773
3774 event.Skip();
3775 }
3776
3777 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3778 {
3779 if( m_selection.GetCount() != 1 )
3780 return wxDataViewItem();
3781
3782 return GetItemByRow( m_selection.Item(0));
3783 }
3784
3785 //-----------------------------------------------------------------------------
3786 // wxDataViewCtrl
3787 //-----------------------------------------------------------------------------
3788 WX_DEFINE_LIST(wxDataViewColumnList)
3789
3790 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3791
3792 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3793 EVT_SIZE(wxDataViewCtrl::OnSize)
3794 END_EVENT_TABLE()
3795
3796 wxDataViewCtrl::~wxDataViewCtrl()
3797 {
3798 if (m_notifier)
3799 GetModel()->RemoveNotifier( m_notifier );
3800 }
3801
3802 void wxDataViewCtrl::Init()
3803 {
3804 m_notifier = NULL;
3805 }
3806
3807 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3808 const wxPoint& pos, const wxSize& size,
3809 long style, const wxValidator& validator )
3810 {
3811 if (!wxControl::Create( parent, id, pos, size,
3812 style | wxScrolledWindowStyle|wxBORDER_SUNKEN, validator))
3813 return false;
3814
3815 SetInitialSize(size);
3816
3817 Init();
3818
3819 #ifdef __WXMAC__
3820 MacSetClipChildren( true ) ;
3821 #endif
3822
3823 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3824
3825 if (HasFlag(wxDV_NO_HEADER))
3826 m_headerArea = NULL;
3827 else
3828 m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3829
3830 SetTargetWindow( m_clientArea );
3831
3832 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3833 if (m_headerArea)
3834 sizer->Add( m_headerArea, 0, wxGROW );
3835 sizer->Add( m_clientArea, 1, wxGROW );
3836 SetSizer( sizer );
3837
3838 return true;
3839 }
3840
3841 #ifdef __WXMSW__
3842 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3843 WXWPARAM wParam,
3844 WXLPARAM lParam)
3845 {
3846 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3847
3848 #ifndef __WXWINCE__
3849 // we need to process arrows ourselves for scrolling
3850 if ( nMsg == WM_GETDLGCODE )
3851 {
3852 rc |= DLGC_WANTARROWS;
3853 }
3854 #endif
3855
3856 return rc;
3857 }
3858 #endif
3859
3860 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3861 {
3862 // We need to override OnSize so that our scrolled
3863 // window a) does call Layout() to use sizers for
3864 // positioning the controls but b) does not query
3865 // the sizer for their size and use that for setting
3866 // the scrollable area as set that ourselves by
3867 // calling SetScrollbar() further down.
3868
3869 Layout();
3870
3871 AdjustScrollbars();
3872 }
3873
3874 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3875 {
3876 if (!wxDataViewCtrlBase::AssociateModel( model ))
3877 return false;
3878
3879 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3880
3881 model->AddNotifier( m_notifier );
3882
3883 m_clientArea->DestroyTree();
3884
3885 m_clientArea->BuildTree(model);
3886
3887 m_clientArea->UpdateDisplay();
3888
3889 return true;
3890 }
3891
3892 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3893 {
3894 if (!wxDataViewCtrlBase::AppendColumn(col))
3895 return false;
3896
3897 m_cols.Append( col );
3898 OnColumnChange();
3899 return true;
3900 }
3901
3902 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3903 {
3904 if (!wxDataViewCtrlBase::PrependColumn(col))
3905 return false;
3906
3907 m_cols.Insert( col );
3908 OnColumnChange();
3909 return true;
3910 }
3911
3912 void wxDataViewCtrl::OnColumnChange()
3913 {
3914 if (m_headerArea)
3915 m_headerArea->UpdateDisplay();
3916
3917 m_clientArea->UpdateDisplay();
3918 }
3919
3920 void wxDataViewCtrl::DoSetExpanderColumn()
3921 {
3922 m_clientArea->UpdateDisplay();
3923 }
3924
3925 void wxDataViewCtrl::DoSetIndent()
3926 {
3927 m_clientArea->UpdateDisplay();
3928 }
3929
3930 unsigned int wxDataViewCtrl::GetColumnCount() const
3931 {
3932 return m_cols.GetCount();
3933 }
3934
3935 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
3936 {
3937 wxDataViewColumnList::const_iterator iter;
3938 unsigned int i = 0;
3939 for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3940 {
3941 if (i == pos)
3942 return *iter;
3943
3944 if ((*iter)->IsHidden())
3945 continue;
3946 i ++;
3947 }
3948 return NULL;
3949 }
3950
3951 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3952 {
3953 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3954 if (!ret)
3955 return false;
3956
3957 m_cols.Erase(ret);
3958 delete column;
3959 OnColumnChange();
3960
3961 return true;
3962 }
3963
3964 bool wxDataViewCtrl::ClearColumns()
3965 {
3966 m_cols.clear();
3967 OnColumnChange();
3968 return true;
3969 }
3970
3971 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
3972 {
3973 int ret = 0, dead = 0;
3974 int len = GetColumnCount();
3975 for (int i=0; i<len; i++)
3976 {
3977 wxDataViewColumn * col = GetColumn(i);
3978 if (col->IsHidden())
3979 continue;
3980 ret += col->GetWidth();
3981 if (column==col)
3982 {
3983 CalcScrolledPosition( ret, dead, &ret, &dead );
3984 break;
3985 }
3986 }
3987 return ret;
3988 }
3989
3990 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
3991 {
3992 return NULL;
3993 }
3994
3995 //Selection code with wxDataViewItem as parameters
3996 wxDataViewItem wxDataViewCtrl::GetSelection() const
3997 {
3998 return m_clientArea->GetSelection();
3999 }
4000
4001 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4002 {
4003 sel.Empty();
4004 wxDataViewSelection selection = m_clientArea->GetSelections();
4005 int len = selection.GetCount();
4006 for( int i = 0; i < len; i ++)
4007 {
4008 unsigned int row = selection[i];
4009 sel.Add( m_clientArea->GetItemByRow( row ) );
4010 }
4011 return len;
4012 }
4013
4014 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4015 {
4016 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4017 int len = sel.GetCount();
4018 for( int i = 0; i < len; i ++ )
4019 {
4020 int row = m_clientArea->GetRowByItem( sel[i] );
4021 if( row >= 0 )
4022 selection.Add( static_cast<unsigned int>(row) );
4023 }
4024 m_clientArea->SetSelections( selection );
4025 }
4026
4027 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4028 {
4029 int row = m_clientArea->GetRowByItem( item );
4030 if( row >= 0 )
4031 {
4032 //Unselect all rows before select another in the single select mode
4033 if (m_clientArea->IsSingleSel())
4034 m_clientArea->SelectAllRows(false);
4035 m_clientArea->SelectRow(row, true);
4036 }
4037 }
4038
4039 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4040 {
4041 int row = m_clientArea->GetRowByItem( item );
4042 if( row >= 0 )
4043 m_clientArea->SelectRow(row, false);
4044 }
4045
4046 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4047 {
4048 int row = m_clientArea->GetRowByItem( item );
4049 if( row >= 0 )
4050 {
4051 return m_clientArea->IsRowSelected(row);
4052 }
4053 return false;
4054 }
4055
4056 //Selection code with row number as parameter
4057 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4058 {
4059 sel.Empty();
4060 wxDataViewSelection selection = m_clientArea->GetSelections();
4061 int len = selection.GetCount();
4062 for( int i = 0; i < len; i ++)
4063 {
4064 unsigned int row = selection[i];
4065 sel.Add( row );
4066 }
4067 return len;
4068 }
4069
4070 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4071 {
4072 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4073 int len = sel.GetCount();
4074 for( int i = 0; i < len; i ++ )
4075 {
4076 int row = sel[i];
4077 if( row >= 0 )
4078 selection.Add( static_cast<unsigned int>(row) );
4079 }
4080 m_clientArea->SetSelections( selection );
4081 }
4082
4083 void wxDataViewCtrl::Select( int row )
4084 {
4085 if( row >= 0 )
4086 {
4087 if (m_clientArea->IsSingleSel())
4088 m_clientArea->SelectAllRows(false);
4089 m_clientArea->SelectRow( row, true );
4090 }
4091 }
4092
4093 void wxDataViewCtrl::Unselect( int row )
4094 {
4095 if( row >= 0 )
4096 m_clientArea->SelectRow(row, false);
4097 }
4098
4099 bool wxDataViewCtrl::IsSelected( int row ) const
4100 {
4101 if( row >= 0 )
4102 return m_clientArea->IsRowSelected(row);
4103 return false;
4104 }
4105
4106 void wxDataViewCtrl::SelectRange( int from, int to )
4107 {
4108 wxArrayInt sel;
4109 for( int i = from; i < to; i ++ )
4110 sel.Add( i );
4111 m_clientArea->Select(sel);
4112 }
4113
4114 void wxDataViewCtrl::UnselectRange( int from, int to )
4115 {
4116 wxDataViewSelection sel = m_clientArea->GetSelections();
4117 for( int i = from; i < to; i ++ )
4118 if( sel.Index( i ) != wxNOT_FOUND )
4119 sel.Remove( i );
4120 m_clientArea->SetSelections(sel);
4121 }
4122
4123 void wxDataViewCtrl::SelectAll()
4124 {
4125 m_clientArea->SelectAllRows(true);
4126 }
4127
4128 void wxDataViewCtrl::UnselectAll()
4129 {
4130 m_clientArea->SelectAllRows(false);
4131 }
4132
4133 void wxDataViewCtrl::EnsureVisible( int row, int column )
4134 {
4135 if( row < 0 )
4136 row = 0;
4137 if( row > (int) m_clientArea->GetRowCount() )
4138 row = m_clientArea->GetRowCount();
4139
4140 int first = m_clientArea->GetFirstVisibleRow();
4141 int last = m_clientArea->GetLastVisibleRow();
4142 if( row < first )
4143 m_clientArea->ScrollTo( row, column );
4144 else if( row > last )
4145 m_clientArea->ScrollTo( row - last + first, column );
4146 else
4147 m_clientArea->ScrollTo( first, column );
4148 }
4149
4150 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4151 {
4152 int row = m_clientArea->GetRowByItem(item);
4153 if( row >= 0 )
4154 {
4155 if( column == NULL )
4156 EnsureVisible(row, -1);
4157 else
4158 {
4159 int col = 0;
4160 int len = GetColumnCount();
4161 for( int i = 0; i < len; i ++ )
4162 if( GetColumn(i) == column )
4163 {
4164 col = i;
4165 break;
4166 }
4167 EnsureVisible( row, col );
4168 }
4169 }
4170
4171 }
4172
4173 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4174 {
4175 m_clientArea->HitTest(point, item, column);
4176 }
4177
4178 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4179 {
4180 return m_clientArea->GetItemRect(item, column);
4181 }
4182
4183 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4184 {
4185 return m_clientArea->GetItemByRow( row );
4186 }
4187
4188 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4189 {
4190 return m_clientArea->GetRowByItem( item );
4191 }
4192
4193 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4194 {
4195 int row = m_clientArea->GetRowByItem( item );
4196 if (row != -1)
4197 m_clientArea->Expand(row);
4198 }
4199
4200 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4201 {
4202 int row = m_clientArea->GetRowByItem( item );
4203 if (row != -1)
4204 m_clientArea->Collapse(row);
4205 }
4206
4207 #endif
4208 // !wxUSE_GENERICDATAVIEWCTRL
4209
4210 #endif
4211 // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)