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[wxWidgets.git] / src / generic / datavgen.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/datavgen.cpp
3 // Purpose: wxDataViewCtrl generic implementation
4 // Author: Robert Roebling
5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_DATAVIEWCTRL
19
20 #include "wx/dataview.h"
21
22 #ifdef wxUSE_GENERICDATAVIEWCTRL
23
24 #ifndef WX_PRECOMP
25 #ifdef __WXMSW__
26 #include "wx/msw/private.h"
27 #include "wx/msw/wrapwin.h"
28 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
29 #endif
30 #include "wx/sizer.h"
31 #include "wx/log.h"
32 #include "wx/dcclient.h"
33 #include "wx/timer.h"
34 #include "wx/settings.h"
35 #include "wx/msgdlg.h"
36 #include "wx/dcscreen.h"
37 #endif
38
39 #include "wx/stockitem.h"
40 #include "wx/calctrl.h"
41 #include "wx/popupwin.h"
42 #include "wx/renderer.h"
43 #include "wx/dcbuffer.h"
44 #include "wx/icon.h"
45 #include "wx/list.h"
46 #include "wx/listimpl.cpp"
47
48 //-----------------------------------------------------------------------------
49 // classes
50 //-----------------------------------------------------------------------------
51
52 class wxDataViewCtrl;
53
54 static const int SCROLL_UNIT_X = 15;
55
56 // the cell padding on the left/right
57 static const int PADDING_RIGHTLEFT = 3;
58
59 // the expander space margin
60 static const int EXPANDER_MARGIN = 4;
61
62 //-----------------------------------------------------------------------------
63 // wxDataViewHeaderWindow
64 //-----------------------------------------------------------------------------
65
66 #define USE_NATIVE_HEADER_WINDOW 1
67
68 //Below is the compare stuff
69 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
70 static wxDataViewModel * g_model;
71 static int g_column = -2;
72 static bool g_asending = true;
73
74 // NB: for some reason, this class must be dllexport'ed or we get warnings from
75 // MSVC in DLL build
76 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
77 {
78 public:
79 wxDataViewHeaderWindowBase()
80 { m_owner = NULL; }
81
82 bool Create(wxDataViewCtrl *parent, wxWindowID id,
83 const wxPoint &pos, const wxSize &size,
84 const wxString &name)
85 {
86 return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
87 }
88
89 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
90 wxDataViewCtrl *GetOwner() { return m_owner; }
91
92 // called on column addition/removal
93 virtual void UpdateDisplay() { /* by default, do nothing */ }
94
95 // returns the n-th column
96 virtual wxDataViewColumn *GetColumn(unsigned int n)
97 {
98 wxASSERT(m_owner);
99 wxDataViewColumn *ret = m_owner->GetColumn(n);
100 wxASSERT(ret);
101
102 return ret;
103 }
104
105 protected:
106 wxDataViewCtrl *m_owner;
107
108 // sends an event generated from the n-th wxDataViewColumn
109 void SendEvent(wxEventType type, unsigned int n);
110 };
111
112 // on wxMSW the header window (only that part however) can be made native!
113 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
114
115 #define COLUMN_WIDTH_OFFSET 2
116 #define wxDataViewHeaderWindowMSW wxDataViewHeaderWindow
117
118 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
119 {
120 public:
121
122 wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
123 wxWindowID id,
124 const wxPoint &pos = wxDefaultPosition,
125 const wxSize &size = wxDefaultSize,
126 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
127 {
128 Create(parent, id, pos, size, name);
129 }
130
131 bool Create(wxDataViewCtrl *parent, wxWindowID id,
132 const wxPoint &pos, const wxSize &size,
133 const wxString &name);
134
135 ~wxDataViewHeaderWindowMSW();
136
137 // called when any column setting is changed and/or changed
138 // the column count
139 virtual void UpdateDisplay();
140
141 virtual void OnInternalIdle();
142
143 // called Refresh afterwards
144 virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
145
146 virtual bool CanApplyThemeBorder() const { return false; }
147
148 protected:
149 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
150
151 virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
152
153 wxSize DoGetBestSize() const;
154
155 unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
156
157 wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
158 { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
159
160 int m_scrollOffsetX;
161 int m_buttonHeight;
162 bool m_delayedUpdate;
163
164 private:
165 DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
166 };
167
168 #else // !defined(__WXMSW__)
169
170 #define HEADER_WINDOW_HEIGHT 25
171 #define HEADER_HORIZ_BORDER 5
172 #define HEADER_VERT_BORDER 3
173 #define wxGenericDataViewHeaderWindow wxDataViewHeaderWindow
174
175 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
176 {
177 public:
178 wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
179 wxWindowID id,
180 const wxPoint &pos = wxDefaultPosition,
181 const wxSize &size = wxDefaultSize,
182 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
183 {
184 Init();
185 Create(parent, id, pos, size, name);
186 }
187
188 bool Create(wxDataViewCtrl *parent, wxWindowID id,
189 const wxPoint &pos, const wxSize &size,
190 const wxString &name);
191
192 ~wxGenericDataViewHeaderWindow()
193 {
194 delete m_resizeCursor;
195 }
196
197 virtual void UpdateDisplay() { Refresh(); }
198
199 // event handlers:
200
201 void OnPaint( wxPaintEvent &event );
202 void OnMouse( wxMouseEvent &event );
203 void OnSetFocus( wxFocusEvent &event );
204
205
206 protected:
207
208 // vars used for column resizing:
209
210 wxCursor *m_resizeCursor;
211 const wxCursor *m_currentCursor;
212 bool m_isDragging;
213
214 bool m_dirty; // needs refresh?
215 int m_hover; // index of the column under the mouse
216 int m_column; // index of the column being resized
217 int m_currentX; // divider line position in logical (unscrolled) coords
218 int m_minX; // minimal position beyond which the divider line
219 // can't be dragged in logical coords
220
221 // the pen used to draw the current column width drag line
222 // when resizing the columsn
223 wxPen m_penCurrent;
224
225
226 // internal utilities:
227
228 void Init()
229 {
230 m_currentCursor = (wxCursor *) NULL;
231 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
232
233 m_isDragging = false;
234 m_dirty = false;
235
236 m_hover = wxNOT_FOUND;
237 m_column = wxNOT_FOUND;
238 m_currentX = 0;
239 m_minX = 0;
240
241 wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
242 m_penCurrent = wxPen(col, 1, wxSOLID);
243 }
244
245 void AdjustDC(wxDC& dc);
246
247 private:
248 DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
249 DECLARE_EVENT_TABLE()
250 };
251
252 #endif // defined(__WXMSW__)
253
254 //-----------------------------------------------------------------------------
255 // wxDataViewRenameTimer
256 //-----------------------------------------------------------------------------
257
258 class wxDataViewRenameTimer: public wxTimer
259 {
260 private:
261 wxDataViewMainWindow *m_owner;
262
263 public:
264 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
265 void Notify();
266 };
267
268 //-----------------------------------------------------------------------------
269 // wxDataViewTreeNode
270 //-----------------------------------------------------------------------------
271 class wxDataViewTreeNode;
272 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
273 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
274
275 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
276 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
277
278 class wxDataViewTreeNode
279 {
280 public:
281 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
282 {
283 m_parent = parent;
284 if (!parent)
285 m_open = true;
286 else
287 m_open = false;
288 m_hasChildren = false;
289 m_subTreeCount = 0;
290 }
291
292 ~wxDataViewTreeNode()
293 {
294 }
295
296 wxDataViewTreeNode * GetParent() { return m_parent; }
297 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
298 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
299 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
300
301 void AddNode( wxDataViewTreeNode * node )
302 {
303 m_leaves.Add( node->GetItem().GetID() );
304 if (g_column >= -1)
305 m_leaves.Sort( &wxGenericTreeModelItemCmp );
306 m_nodes.Add( node );
307 if (g_column >= -1)
308 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
309 }
310 void AddLeaf( void * leaf )
311 {
312 m_leaves.Add( leaf );
313 if (g_column >= -1)
314 m_leaves.Sort( &wxGenericTreeModelItemCmp );
315 }
316
317 wxDataViewItem & GetItem() { return m_item; }
318 void SetItem( const wxDataViewItem & item ) { m_item = item; }
319
320 unsigned int GetChildrenNumber() { return m_leaves.GetCount(); }
321 unsigned int GetNodeNumber() { return m_nodes.GetCount(); }
322 int GetIndentLevel()
323 {
324 int ret = 0 ;
325 wxDataViewTreeNode * node = this;
326 while( node->GetParent()->GetParent() != NULL )
327 {
328 node = node->GetParent();
329 ret ++;
330 }
331 return ret;
332 }
333
334 bool IsOpen()
335 {
336 return m_open ;
337 }
338
339 void ToggleOpen()
340 {
341 int len = m_nodes.GetCount();
342 int sum = 0;
343 for ( int i = 0 ;i < len ; i ++)
344 sum += m_nodes[i]->GetSubTreeCount();
345
346 sum += m_leaves.GetCount();
347 if (m_open)
348 {
349 ChangeSubTreeCount(-sum);
350 m_open = !m_open;
351 }
352 else
353 {
354 m_open = !m_open;
355 ChangeSubTreeCount(sum);
356 }
357 }
358 bool HasChildren() { return m_hasChildren; }
359 void SetHasChildren( bool has ){ m_hasChildren = has; }
360
361 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
362 int GetSubTreeCount() { return m_subTreeCount; }
363 void ChangeSubTreeCount( int num )
364 {
365 if( !m_open )
366 return ;
367 m_subTreeCount += num;
368 if( m_parent )
369 m_parent->ChangeSubTreeCount(num);
370 }
371
372 void Resort()
373 {
374 if (g_column >= -1)
375 {
376 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
377 int len = m_nodes.GetCount();
378 for (int i = 0; i < len; i ++)
379 m_nodes[i]->Resort();
380 m_leaves.Sort( &wxGenericTreeModelItemCmp );
381 }
382 }
383
384 private:
385 wxDataViewTreeNode *m_parent;
386 wxDataViewTreeNodes m_nodes;
387 wxDataViewTreeLeaves m_leaves;
388 wxDataViewItem m_item;
389 bool m_open;
390 bool m_hasChildren;
391 int m_subTreeCount;
392 };
393
394 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
395 {
396 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
397 }
398
399 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
400 {
401 return g_model->Compare( *id1, *id2, g_column, g_asending );
402 }
403
404
405
406 //-----------------------------------------------------------------------------
407 // wxDataViewMainWindow
408 //-----------------------------------------------------------------------------
409
410 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
411 WXDLLIMPEXP_ADV);
412 WX_DECLARE_LIST(wxDataViewItem, ItemList);
413 WX_DEFINE_LIST(ItemList)
414
415 class wxDataViewMainWindow: public wxWindow
416 {
417 public:
418 wxDataViewMainWindow( wxDataViewCtrl *parent,
419 wxWindowID id,
420 const wxPoint &pos = wxDefaultPosition,
421 const wxSize &size = wxDefaultSize,
422 const wxString &name = wxT("wxdataviewctrlmainwindow") );
423 virtual ~wxDataViewMainWindow();
424
425 // notifications from wxDataViewModel
426 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
427 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
428 bool ItemChanged( const wxDataViewItem &item );
429 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
430 bool Cleared();
431 void Resort()
432 {
433 if (m_root)
434 {
435 SortPrepare();
436 m_root->Resort();
437 }
438 UpdateDisplay();
439 }
440
441 void SortPrepare()
442 {
443 g_model = GetOwner()->GetModel();
444 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
445 if( !col )
446 {
447 if (g_model->HasDefaultCompare())
448 g_column = -1;
449 else
450 g_column = -2;
451
452 g_asending = true;
453 return;
454 }
455 g_column = col->GetModelColumn();
456 g_asending = col->IsSortOrderAscending();
457 }
458
459 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
460 wxDataViewCtrl *GetOwner() { return m_owner; }
461 const wxDataViewCtrl *GetOwner() const { return m_owner; }
462
463 void OnPaint( wxPaintEvent &event );
464 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
465 void OnChar( wxKeyEvent &event );
466 void OnMouse( wxMouseEvent &event );
467 void OnSetFocus( wxFocusEvent &event );
468 void OnKillFocus( wxFocusEvent &event );
469
470 void UpdateDisplay();
471 void RecalculateDisplay();
472 void OnInternalIdle();
473
474 void OnRenameTimer();
475
476 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
477 void ScrollTo( int rows, int column );
478
479 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
480 void ChangeCurrentRow( unsigned int row );
481
482 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
483 bool IsEmpty() { return GetRowCount() == 0; }
484
485 int GetCountPerPage() const;
486 int GetEndOfLastCol() const;
487 unsigned int GetFirstVisibleRow() const;
488 //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
489 unsigned int GetLastVisibleRow();
490 unsigned int GetRowCount() ;
491
492 wxDataViewItem GetSelection() const;
493 wxDataViewSelection GetSelections(){ return m_selection; }
494 void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
495 void Select( const wxArrayInt& aSelections );
496 void SelectAllRows( bool on );
497 void SelectRow( unsigned int row, bool on );
498 void SelectRows( unsigned int from, unsigned int to, bool on );
499 void ReverseRowSelection( unsigned int row );
500 bool IsRowSelected( unsigned int row );
501 void SendSelectionChangedEvent( const wxDataViewItem& item);
502
503 void RefreshRow( unsigned int row );
504 void RefreshRows( unsigned int from, unsigned int to );
505 void RefreshRowsAfter( unsigned int firstRow );
506
507 // returns the colour to be used for drawing the rules
508 wxColour GetRuleColour() const
509 {
510 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
511 }
512
513 wxRect GetLineRect( unsigned int row ) const;
514
515 //Some useful functions for row and item mapping
516 wxDataViewItem GetItemByRow( unsigned int row ) const;
517 int GetRowByItem( const wxDataViewItem & item );
518
519 //Methods for building the mapping tree
520 void BuildTree( wxDataViewModel * model );
521 void DestroyTree();
522 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
523 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
524
525 void Expand( unsigned int row ) { OnExpanding( row ); }
526 void Collapse( unsigned int row ) { OnCollapsing( row ); }
527 private:
528 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
529 //We did not need this temporarily
530 //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
531
532 int RecalculateCount() ;
533
534 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
535 void OnExpanding( unsigned int row );
536 void OnCollapsing( unsigned int row );
537
538 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
539
540 private:
541 wxDataViewCtrl *m_owner;
542 int m_lineHeight;
543 bool m_dirty;
544
545 wxDataViewColumn *m_currentCol;
546 unsigned int m_currentRow;
547 wxDataViewSelection m_selection;
548
549 wxDataViewRenameTimer *m_renameTimer;
550 bool m_lastOnSame;
551
552 bool m_hasFocus;
553
554 int m_dragCount;
555 wxPoint m_dragStart;
556
557 // for double click logic
558 unsigned int m_lineLastClicked,
559 m_lineBeforeLastClicked,
560 m_lineSelectSingleOnUp;
561
562 // the pen used to draw horiz/vertical rules
563 wxPen m_penRule;
564
565 // the pen used to draw the expander and the lines
566 wxPen m_penExpander;
567
568 //This is the tree structure of the model
569 wxDataViewTreeNode * m_root;
570 int m_count;
571 //This is the tree node under the cursor
572 wxDataViewTreeNode * m_underMouse;
573 private:
574 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
575 DECLARE_EVENT_TABLE()
576 };
577
578 // ---------------------------------------------------------
579 // wxGenericDataViewModelNotifier
580 // ---------------------------------------------------------
581
582 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
583 {
584 public:
585 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
586 { m_mainWindow = mainWindow; }
587
588 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
589 { return m_mainWindow->ItemAdded( parent , item ); }
590 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
591 { return m_mainWindow->ItemDeleted( parent, item ); }
592 virtual bool ItemChanged( const wxDataViewItem & item )
593 { return m_mainWindow->ItemChanged(item); }
594 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
595 { return m_mainWindow->ValueChanged( item, col ); }
596 virtual bool Cleared()
597 { return m_mainWindow->Cleared(); }
598 virtual void Resort()
599 { m_mainWindow->Resort(); }
600
601 wxDataViewMainWindow *m_mainWindow;
602 };
603
604 // ---------------------------------------------------------
605 // wxDataViewRenderer
606 // ---------------------------------------------------------
607
608 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
609
610 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
611 wxDataViewCellMode mode,
612 int align) :
613 wxDataViewRendererBase( varianttype, mode, align )
614 {
615 m_dc = NULL;
616 m_align = align;
617 m_mode = mode;
618 m_wantsAttr = false;
619 m_hasAttr = false;
620 }
621
622 wxDataViewRenderer::~wxDataViewRenderer()
623 {
624 if (m_dc)
625 delete m_dc;
626 }
627
628 wxDC *wxDataViewRenderer::GetDC()
629 {
630 if (m_dc == NULL)
631 {
632 if (GetOwner() == NULL)
633 return NULL;
634 if (GetOwner()->GetOwner() == NULL)
635 return NULL;
636 m_dc = new wxClientDC( GetOwner()->GetOwner() );
637 }
638
639 return m_dc;
640 }
641
642 // ---------------------------------------------------------
643 // wxDataViewCustomRenderer
644 // ---------------------------------------------------------
645
646 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
647
648 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
649 wxDataViewCellMode mode, int align ) :
650 wxDataViewRenderer( varianttype, mode, align )
651 {
652 }
653
654 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
655 {
656 wxDataViewCtrl *view = GetOwner()->GetOwner();
657 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
658 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
659 view->GetForegroundColour();
660 dc->SetTextForeground(col);
661 dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
662 }
663
664 // ---------------------------------------------------------
665 // wxDataViewTextRenderer
666 // ---------------------------------------------------------
667
668 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
669
670 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
671 wxDataViewCellMode mode, int align ) :
672 wxDataViewCustomRenderer( varianttype, mode, align )
673 {
674 }
675
676 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
677 {
678 m_text = value.GetString();
679
680 return true;
681 }
682
683 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
684 {
685 return false;
686 }
687
688 bool wxDataViewTextRenderer::HasEditorCtrl()
689 {
690 return true;
691 }
692
693 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
694 wxRect labelRect, const wxVariant &value )
695 {
696 return new wxTextCtrl( parent, wxID_ANY, value,
697 wxPoint(labelRect.x,labelRect.y),
698 wxSize(labelRect.width,labelRect.height) );
699 }
700
701 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
702 {
703 wxTextCtrl *text = (wxTextCtrl*) editor;
704 value = text->GetValue();
705 return true;
706 }
707
708 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
709 {
710 RenderText( m_text, 0, cell, dc, state );
711 return true;
712 }
713
714 wxSize wxDataViewTextRenderer::GetSize() const
715 {
716 const wxDataViewCtrl *view = GetView();
717 if (!m_text.empty())
718 {
719 int x,y;
720 view->GetTextExtent( m_text, &x, &y );
721 return wxSize( x, y );
722 }
723 return wxSize(80,20);
724 }
725
726 // ---------------------------------------------------------
727 // wxDataViewTextRendererAttr
728 // ---------------------------------------------------------
729
730 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
731
732 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
733 wxDataViewCellMode mode, int align ) :
734 wxDataViewTextRenderer( varianttype, mode, align )
735 {
736 m_wantsAttr = true;
737 }
738
739 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
740 {
741 wxFont font;
742 wxColour colour;
743
744 if (m_hasAttr)
745 {
746 if (m_attr.HasColour())
747 {
748 colour = dc->GetTextForeground();
749 dc->SetTextForeground( m_attr.GetColour() );
750 }
751
752 if (m_attr.GetBold() || m_attr.GetItalic())
753 {
754 font = dc->GetFont();
755 wxFont myfont = font;
756 if (m_attr.GetBold())
757 myfont.SetWeight( wxFONTWEIGHT_BOLD );
758 if (m_attr.GetItalic())
759 myfont.SetStyle( wxFONTSTYLE_ITALIC );
760 dc->SetFont( myfont );
761 }
762 }
763
764 dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
765
766 // restore dc
767 if (m_hasAttr)
768 {
769 if (m_attr.HasColour())
770 dc->SetTextForeground( colour );
771
772 if (m_attr.GetBold() || m_attr.GetItalic())
773 dc->SetFont( font );
774 }
775
776 return true;
777 }
778
779
780 // ---------------------------------------------------------
781 // wxDataViewBitmapRenderer
782 // ---------------------------------------------------------
783
784 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
785
786 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
787 wxDataViewCellMode mode, int align ) :
788 wxDataViewCustomRenderer( varianttype, mode, align )
789 {
790 }
791
792 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
793 {
794 if (value.GetType() == wxT("wxBitmap"))
795 m_bitmap << value;
796 if (value.GetType() == wxT("wxIcon"))
797 m_icon << value;
798
799 return true;
800 }
801
802 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
803 {
804 return false;
805 }
806
807 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
808 {
809 if (m_bitmap.Ok())
810 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
811 else if (m_icon.Ok())
812 dc->DrawIcon( m_icon, cell.x, cell.y );
813
814 return true;
815 }
816
817 wxSize wxDataViewBitmapRenderer::GetSize() const
818 {
819 if (m_bitmap.Ok())
820 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
821 else if (m_icon.Ok())
822 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
823
824 return wxSize(16,16);
825 }
826
827 // ---------------------------------------------------------
828 // wxDataViewToggleRenderer
829 // ---------------------------------------------------------
830
831 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
832
833 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
834 wxDataViewCellMode mode, int align ) :
835 wxDataViewCustomRenderer( varianttype, mode, align )
836 {
837 m_toggle = false;
838 }
839
840 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
841 {
842 m_toggle = value.GetBool();
843
844 return true;
845 }
846
847 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
848 {
849 return false;
850 }
851
852 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
853 {
854 // User wxRenderer here
855
856 wxRect rect;
857 rect.x = cell.x + cell.width/2 - 10;
858 rect.width = 20;
859 rect.y = cell.y + cell.height/2 - 10;
860 rect.height = 20;
861
862 int flags = 0;
863 if (m_toggle)
864 flags |= wxCONTROL_CHECKED;
865 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
866 flags |= wxCONTROL_DISABLED;
867
868 wxRendererNative::Get().DrawCheckBox(
869 GetOwner()->GetOwner(),
870 *dc,
871 rect,
872 flags );
873
874 return true;
875 }
876
877 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
878 wxDataViewModel *model,
879 const wxDataViewItem & item, unsigned int col)
880 {
881 bool value = !m_toggle;
882 wxVariant variant = value;
883 model->SetValue( variant, item, col);
884 model->ValueChanged( item, col );
885 return true;
886 }
887
888 wxSize wxDataViewToggleRenderer::GetSize() const
889 {
890 return wxSize(20,20);
891 }
892
893 // ---------------------------------------------------------
894 // wxDataViewProgressRenderer
895 // ---------------------------------------------------------
896
897 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
898
899 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
900 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
901 wxDataViewCustomRenderer( varianttype, mode, align )
902 {
903 m_label = label;
904 m_value = 0;
905 }
906
907 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
908 {
909 }
910
911 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
912 {
913 m_value = (long) value;
914
915 if (m_value < 0) m_value = 0;
916 if (m_value > 100) m_value = 100;
917
918 return true;
919 }
920
921 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
922 {
923 value = (long) m_value;
924 return true;
925 }
926
927 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
928 {
929 double pct = (double)m_value / 100.0;
930 wxRect bar = cell;
931 bar.width = (int)(cell.width * pct);
932 dc->SetPen( *wxTRANSPARENT_PEN );
933 dc->SetBrush( *wxBLUE_BRUSH );
934 dc->DrawRectangle( bar );
935
936 dc->SetBrush( *wxTRANSPARENT_BRUSH );
937 dc->SetPen( *wxBLACK_PEN );
938 dc->DrawRectangle( cell );
939
940 return true;
941 }
942
943 wxSize wxDataViewProgressRenderer::GetSize() const
944 {
945 return wxSize(40,12);
946 }
947
948 // ---------------------------------------------------------
949 // wxDataViewDateRenderer
950 // ---------------------------------------------------------
951
952 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
953
954 #if wxUSE_DATE_RENDERER_POPUP
955
956 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
957 {
958 public:
959 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
960 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
961 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
962 m_item( item )
963 {
964 m_model = model;
965 m_col = col;
966 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
967 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
968 sizer->Add( m_cal, 1, wxGROW );
969 SetSizer( sizer );
970 sizer->Fit( this );
971 }
972
973 void OnCalendar( wxCalendarEvent &event );
974
975 wxCalendarCtrl *m_cal;
976 wxDataViewModel *m_model;
977 unsigned int m_col;
978 const wxDataViewItem & m_item;
979
980 protected:
981 virtual void OnDismiss()
982 {
983 }
984
985 private:
986 DECLARE_EVENT_TABLE()
987 };
988
989 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
990 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
991 END_EVENT_TABLE()
992
993 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
994 {
995 wxDateTime date = event.GetDate();
996 wxVariant value = date;
997 m_model->SetValue( value, m_item, m_col );
998 m_model->ValueChanged( m_item, m_col );
999 DismissAndNotify();
1000 }
1001
1002 #endif // wxUSE_DATE_RENDERER_POPUP
1003
1004 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1005
1006 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1007 wxDataViewCellMode mode, int align ) :
1008 wxDataViewCustomRenderer( varianttype, mode, align )
1009 {
1010 }
1011
1012 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1013 {
1014 m_date = value.GetDateTime();
1015
1016 return true;
1017 }
1018
1019 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1020 {
1021 value = m_date;
1022 return true;
1023 }
1024
1025 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1026 {
1027 wxString tmp = m_date.FormatDate();
1028 RenderText( tmp, 0, cell, dc, state );
1029 return true;
1030 }
1031
1032 wxSize wxDataViewDateRenderer::GetSize() const
1033 {
1034 const wxDataViewCtrl* view = GetView();
1035 wxString tmp = m_date.FormatDate();
1036 wxCoord x,y,d;
1037 view->GetTextExtent( tmp, &x, &y, &d );
1038 return wxSize(x,y+d);
1039 }
1040
1041 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1042 const wxDataViewItem & item, unsigned int col )
1043 {
1044 wxVariant variant;
1045 model->GetValue( variant, item, col );
1046 wxDateTime value = variant.GetDateTime();
1047
1048 #if wxUSE_DATE_RENDERER_POPUP
1049 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1050 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1051 wxPoint pos = wxGetMousePosition();
1052 popup->Move( pos );
1053 popup->Layout();
1054 popup->Popup( popup->m_cal );
1055 #else // !wxUSE_DATE_RENDERER_POPUP
1056 wxMessageBox(value.Format());
1057 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1058 return true;
1059 }
1060
1061 // ---------------------------------------------------------
1062 // wxDataViewIconTextRenderer
1063 // ---------------------------------------------------------
1064
1065 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1066
1067 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1068 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1069 wxDataViewCustomRenderer( varianttype, mode, align )
1070 {
1071 SetMode(mode);
1072 SetAlignment(align);
1073 }
1074
1075 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1076 {
1077 }
1078
1079 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1080 {
1081 m_value << value;
1082 return true;
1083 }
1084
1085 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1086 {
1087 return false;
1088 }
1089
1090 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1091 {
1092 int xoffset = 0;
1093 const wxIcon &icon = m_value.GetIcon();
1094 if (icon.IsOk())
1095 {
1096 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1097 xoffset = icon.GetWidth()+4;
1098 }
1099
1100 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1101
1102 return true;
1103 }
1104
1105 wxSize wxDataViewIconTextRenderer::GetSize() const
1106 {
1107 const wxDataViewCtrl *view = GetView();
1108 if (!m_value.GetText().empty())
1109 {
1110 int x,y;
1111 view->GetTextExtent( m_value.GetText(), &x, &y );
1112
1113 if (m_value.GetIcon().IsOk())
1114 x += m_value.GetIcon().GetWidth() + 4;
1115 return wxSize( x, y );
1116 }
1117 return wxSize(80,20);
1118 }
1119
1120 wxControl *
1121 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1122 wxRect WXUNUSED(labelRect),
1123 const wxVariant& WXUNUSED(value))
1124 {
1125 return NULL;
1126 }
1127
1128 bool
1129 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1130 wxVariant& WXUNUSED(value))
1131 {
1132 return false;
1133 }
1134
1135 // ---------------------------------------------------------
1136 // wxDataViewColumn
1137 // ---------------------------------------------------------
1138
1139 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
1140
1141 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
1142 unsigned int model_column,
1143 int width, wxAlignment align, int flags ) :
1144 wxDataViewColumnBase( title, cell, model_column, width, align, flags )
1145 {
1146 SetAlignment(align);
1147 SetTitle(title);
1148 SetFlags(flags);
1149
1150 Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
1151 }
1152
1153 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
1154 unsigned int model_column,
1155 int width, wxAlignment align, int flags ) :
1156 wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
1157 {
1158 SetAlignment(align);
1159 SetFlags(flags);
1160
1161 Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
1162 }
1163
1164 wxDataViewColumn::~wxDataViewColumn()
1165 {
1166 }
1167
1168 void wxDataViewColumn::Init( int width )
1169 {
1170 m_width = width;
1171 m_minWidth = wxDVC_DEFAULT_MINWIDTH;
1172 m_ascending = true;
1173 }
1174
1175 void wxDataViewColumn::SetResizeable( bool resizeable )
1176 {
1177 if (resizeable)
1178 m_flags |= wxDATAVIEW_COL_RESIZABLE;
1179 else
1180 m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
1181 }
1182
1183 void wxDataViewColumn::SetHidden( bool hidden )
1184 {
1185 if (hidden)
1186 m_flags |= wxDATAVIEW_COL_HIDDEN;
1187 else
1188 m_flags &= ~wxDATAVIEW_COL_HIDDEN;
1189
1190 // tell our owner to e.g. update its scrollbars:
1191 if (GetOwner())
1192 GetOwner()->OnColumnChange();
1193 }
1194
1195 void wxDataViewColumn::SetSortable( bool sortable )
1196 {
1197 if (sortable)
1198 m_flags |= wxDATAVIEW_COL_SORTABLE;
1199 else
1200 m_flags &= ~wxDATAVIEW_COL_SORTABLE;
1201
1202 // Update header button
1203 if (GetOwner())
1204 GetOwner()->OnColumnChange();
1205 }
1206
1207 void wxDataViewColumn::SetReorderable( bool reorderable )
1208 {
1209 if (reorderable)
1210 m_flags |= wxDATAVIEW_COL_REORDERABLE;
1211 else
1212 m_flags &= ~wxDATAVIEW_COL_REORDERABLE;
1213 }
1214
1215 void wxDataViewColumn::SetSortOrder( bool ascending )
1216 {
1217 m_ascending = ascending;
1218
1219 // Update header button
1220 if (GetOwner())
1221 GetOwner()->OnColumnChange();
1222 }
1223
1224 bool wxDataViewColumn::IsSortOrderAscending() const
1225 {
1226 return m_ascending;
1227 }
1228
1229 void wxDataViewColumn::SetInternalWidth( int width )
1230 {
1231 m_width = width;
1232
1233 // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1234 if (m_owner && m_owner->m_clientArea)
1235 m_owner->m_clientArea->RecalculateDisplay();
1236 }
1237
1238 void wxDataViewColumn::SetWidth( int width )
1239 {
1240 if (m_owner->m_headerArea) m_owner->m_headerArea->UpdateDisplay();
1241
1242 SetInternalWidth(width);
1243 }
1244
1245
1246 //-----------------------------------------------------------------------------
1247 // wxDataViewHeaderWindowBase
1248 //-----------------------------------------------------------------------------
1249
1250 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1251 {
1252 wxWindow *parent = GetParent();
1253 wxDataViewEvent le(type, parent->GetId());
1254
1255 le.SetEventObject(parent);
1256 le.SetColumn(n);
1257 le.SetDataViewColumn(GetColumn(n));
1258 le.SetModel(GetOwner()->GetModel());
1259
1260 // for events created by wxDataViewHeaderWindow the
1261 // row / value fields are not valid
1262
1263 parent->GetEventHandler()->ProcessEvent(le);
1264 }
1265
1266 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
1267
1268 #ifndef HDS_DRAGDROP
1269 #define HDS_DRAGDROP 0x0040
1270 #endif
1271 #ifndef HDS_FULLDRAG
1272 #define HDS_FULLDRAG 0x0080
1273 #endif
1274
1275 // implemented in msw/listctrl.cpp:
1276 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1277
1278 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1279
1280 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1281 const wxPoint &pos, const wxSize &size,
1282 const wxString &name )
1283 {
1284 m_owner = parent;
1285
1286 m_scrollOffsetX = 0;
1287 m_delayedUpdate = false;
1288 m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this );
1289
1290 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1291 y = pos.y == wxDefaultCoord ? 0 : pos.y,
1292 w = size.x == wxDefaultCoord ? 1 : size.x,
1293 h = m_buttonHeight;
1294
1295 wxSize new_size(w,h);
1296
1297 if ( !CreateControl(parent, id, pos, new_size, 0, wxDefaultValidator, name) )
1298 return false;
1299
1300 // create the native WC_HEADER window:
1301 WXHWND hwndParent = (HWND)parent->GetHandle();
1302 WXDWORD msStyle = WS_CHILD | HDS_DRAGDROP | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1303
1304 if ( m_isShown )
1305 msStyle |= WS_VISIBLE;
1306
1307 m_hWnd = CreateWindowEx(0,
1308 WC_HEADER,
1309 (LPCTSTR) NULL,
1310 msStyle,
1311 x, y, w, h,
1312 (HWND)hwndParent,
1313 (HMENU)-1,
1314 wxGetInstance(),
1315 (LPVOID) NULL);
1316 if (m_hWnd == NULL)
1317 {
1318 wxLogLastError(_T("CreateWindowEx"));
1319 return false;
1320 }
1321
1322 // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1323 // to call wxDataViewHeaderWindow::MSWOnNotify
1324 SubclassWin(m_hWnd);
1325
1326 // the following is required to get the default win's font for
1327 // header windows and must be done befor sending the HDM_LAYOUT msg
1328 SetFont(GetFont());
1329
1330 return true;
1331 }
1332
1333 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1334 {
1335 UnsubclassWin();
1336 }
1337
1338 wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
1339 {
1340 return wxSize( 80, m_buttonHeight+2 );
1341 }
1342
1343 void wxDataViewHeaderWindowMSW::OnInternalIdle()
1344 {
1345 if (m_delayedUpdate)
1346 {
1347 m_delayedUpdate = false;
1348 UpdateDisplay();
1349 }
1350 }
1351
1352 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1353 {
1354 // remove old columns
1355 for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1356 Header_DeleteItem((HWND)m_hWnd, 0);
1357
1358 // add the updated array of columns to the header control
1359 unsigned int cols = GetOwner()->GetColumnCount();
1360 unsigned int added = 0;
1361 for (unsigned int i = 0; i < cols; i++)
1362 {
1363 wxDataViewColumn *col = GetColumn( i );
1364 if (col->IsHidden())
1365 continue; // don't add it!
1366
1367 HDITEM hdi;
1368 hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1369 hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1370 hdi.cxy = col->GetWidth();
1371 hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1372 hdi.fmt = HDF_LEFT | HDF_STRING;
1373 //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1374
1375 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1376 {
1377 //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1378 //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1379 // VZ: works with 5.81
1380 hdi.fmt |= col->IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
1381 }
1382
1383 // lParam is reserved for application's use:
1384 // we store there the column index to use it later in MSWOnNotify
1385 // (since columns may have been hidden)
1386 hdi.lParam = (LPARAM)i;
1387
1388 // the native wxMSW implementation of the header window
1389 // draws the column separator COLUMN_WIDTH_OFFSET pixels
1390 // on the right: to correct this effect we make the column
1391 // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1392 if (i == 0)
1393 hdi.cxy += COLUMN_WIDTH_OFFSET;
1394
1395 switch (col->GetAlignment())
1396 {
1397 case wxALIGN_LEFT:
1398 hdi.fmt |= HDF_LEFT;
1399 break;
1400 case wxALIGN_CENTER:
1401 case wxALIGN_CENTER_HORIZONTAL:
1402 hdi.fmt |= HDF_CENTER;
1403 break;
1404 case wxALIGN_RIGHT:
1405 hdi.fmt |= HDF_RIGHT;
1406 break;
1407
1408 default:
1409 // such alignment is not allowed for the column header!
1410 break; // wxFAIL;
1411 }
1412
1413 SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1414 (WPARAM)added, (LPARAM)&hdi);
1415 added++;
1416 }
1417 }
1418
1419 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1420 {
1421 unsigned int idx;
1422
1423 // NOTE: we don't just return nmHDR->iItem because when there are
1424 // hidden columns, nmHDR->iItem may be different from
1425 // nmHDR->pitem->lParam
1426
1427 if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1428 {
1429 idx = (unsigned int)nmHDR->pitem->lParam;
1430 return idx;
1431 }
1432
1433 HDITEM item;
1434 item.mask = HDI_LPARAM;
1435 Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1436
1437 return (unsigned int)item.lParam;
1438 }
1439
1440 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1441 {
1442 NMHDR *nmhdr = (NMHDR *)lParam;
1443
1444 // is it a message from the header?
1445 if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1446 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1447
1448 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1449 switch ( nmhdr->code )
1450 {
1451 case HDN_BEGINTRACK:
1452 // user has started to resize a column:
1453 // do we need to veto it?
1454 if (!GetColumn(nmHDR->iItem)->IsResizeable())
1455 {
1456 // veto it!
1457 *result = TRUE;
1458 }
1459 break;
1460
1461 case HDN_BEGINDRAG:
1462 // user has started to reorder a column
1463 if (!GetColumn(nmHDR->iItem)->IsReorderable())
1464 {
1465 // veto it!
1466 *result = TRUE;
1467 }
1468 break;
1469
1470 case HDN_ENDDRAG: // user has finished reordering a column
1471 {
1472 wxDataViewColumn *col = GetColumn(nmHDR->iItem);
1473 unsigned int new_pos = nmHDR->pitem->iOrder;
1474 m_owner->ColumnMoved( col, new_pos );
1475 m_delayedUpdate = true;
1476 }
1477 break;
1478
1479 case HDN_ITEMCHANGING:
1480 if (nmHDR->pitem != NULL &&
1481 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1482 {
1483 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1484 if (nmHDR->pitem->cxy < minWidth)
1485 {
1486 // do not allow the user to resize this column under
1487 // its minimal width:
1488 *result = TRUE;
1489 }
1490 }
1491 break;
1492
1493 case HDN_ITEMCHANGED: // user is resizing a column
1494 case HDN_ENDTRACK: // user has finished resizing a column
1495
1496 // update the width of the modified column:
1497 if (nmHDR->pitem != NULL &&
1498 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1499 {
1500 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1501 unsigned int w = nmHDR->pitem->cxy;
1502 wxDataViewColumn *col = GetColumn(idx);
1503
1504 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1505 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1506 w -= COLUMN_WIDTH_OFFSET;
1507
1508 if (w >= (unsigned)col->GetMinWidth())
1509 col->SetInternalWidth(w);
1510 }
1511 break;
1512
1513 case HDN_ITEMCLICK:
1514 {
1515 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1516 wxDataViewModel * model = GetOwner()->GetModel();
1517
1518 if(nmHDR->iButton == 0)
1519 {
1520 wxDataViewColumn *col = GetColumn(idx);
1521 if(col->IsSortable())
1522 {
1523 if(model && m_owner->GetSortingColumn() == col)
1524 {
1525 bool order = col->IsSortOrderAscending();
1526 col->SetSortOrder(!order);
1527 }
1528 else if(model)
1529 {
1530 m_owner->SetSortingColumn(col);
1531 }
1532 }
1533 UpdateDisplay();
1534 if(model)
1535 model->Resort();
1536 }
1537
1538 wxEventType evt = nmHDR->iButton == 0 ?
1539 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1540 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1541 SendEvent(evt, idx);
1542 }
1543 break;
1544
1545 case NM_RCLICK:
1546 {
1547 // NOTE: for some reason (i.e. for a bug in Windows)
1548 // the HDN_ITEMCLICK notification is not sent on
1549 // right clicks, so we need to handle NM_RCLICK
1550
1551 POINT ptClick;
1552 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1553 if (column != wxNOT_FOUND)
1554 {
1555 HDITEM item;
1556 item.mask = HDI_LPARAM;
1557 Header_GetItem((HWND)m_hWnd, column, &item);
1558
1559 // 'idx' may be different from 'column' if there are
1560 // hidden columns...
1561 unsigned int idx = (unsigned int)item.lParam;
1562 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1563 idx);
1564 }
1565 }
1566 break;
1567
1568 case HDN_GETDISPINFOW:
1569 // see wxListCtrl::MSWOnNotify for more info!
1570 break;
1571
1572 case HDN_ITEMDBLCLICK:
1573 {
1574 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1575 int w = GetOwner()->GetBestColumnWidth(idx);
1576
1577 // update the native control:
1578 HDITEM hd;
1579 ZeroMemory(&hd, sizeof(hd));
1580 hd.mask = HDI_WIDTH;
1581 hd.cxy = w;
1582 Header_SetItem(GetHwnd(),
1583 nmHDR->iItem, // NOTE: we don't want 'idx' here!
1584 &hd);
1585
1586 // update the wxDataViewColumn class:
1587 GetColumn(idx)->SetInternalWidth(w);
1588 }
1589 break;
1590
1591 default:
1592 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1593 }
1594
1595 return true;
1596 }
1597
1598 void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy),
1599 const wxRect * WXUNUSED(rect))
1600 {
1601 m_scrollOffsetX += dx;
1602
1603 GetParent()->Layout();
1604 }
1605
1606 void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
1607 int w, int h,
1608 int f)
1609 {
1610 // TODO: why is there a border + 2px around it?
1611 wxControl::DoSetSize( x+m_scrollOffsetX+1, y+1, w-m_scrollOffsetX-2, h-2, f );
1612 }
1613
1614 #else // !defined(__WXMSW__)
1615
1616 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1617 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1618 EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
1619 EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
1620 EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
1621 END_EVENT_TABLE()
1622
1623 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1624 const wxPoint &pos, const wxSize &size,
1625 const wxString &name )
1626 {
1627 m_owner = parent;
1628
1629 if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1630 return false;
1631
1632 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1633 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1634 SetOwnForegroundColour( attr.colFg );
1635 SetOwnBackgroundColour( attr.colBg );
1636 if (!m_hasFont)
1637 SetOwnFont( attr.font );
1638
1639 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1640 // a wxBoxSizer and in order to avoid super-big header windows,
1641 // we need to set our height as fixed
1642 SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1643 SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1644
1645 return true;
1646 }
1647
1648 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1649 {
1650 int w, h;
1651 GetClientSize( &w, &h );
1652
1653 wxAutoBufferedPaintDC dc( this );
1654
1655 dc.SetBackground(GetBackgroundColour());
1656 dc.Clear();
1657
1658 int xpix;
1659 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1660
1661 int x;
1662 m_owner->GetViewStart( &x, NULL );
1663
1664 // account for the horz scrollbar offset
1665 dc.SetDeviceOrigin( -x * xpix, 0 );
1666
1667 dc.SetFont( GetFont() );
1668
1669 unsigned int cols = GetOwner()->GetColumnCount();
1670 unsigned int i;
1671 int xpos = 0;
1672 for (i = 0; i < cols; i++)
1673 {
1674 wxDataViewColumn *col = GetColumn( i );
1675 if (col->IsHidden())
1676 continue; // skip it!
1677
1678 int cw = col->GetWidth();
1679 int ch = h;
1680
1681 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1682 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1683 {
1684 if (col->IsSortOrderAscending())
1685 sortArrow = wxHDR_SORT_ICON_UP;
1686 else
1687 sortArrow = wxHDR_SORT_ICON_DOWN;
1688 }
1689
1690 int state = 0;
1691 if (m_parent->IsEnabled())
1692 {
1693 if ((int) i == m_hover)
1694 state = wxCONTROL_CURRENT;
1695 }
1696 else
1697 {
1698 state = (int) wxCONTROL_DISABLED;
1699 }
1700
1701 wxRendererNative::Get().DrawHeaderButton
1702 (
1703 this,
1704 dc,
1705 wxRect(xpos, 0, cw, ch-1),
1706 state,
1707 sortArrow
1708 );
1709
1710 // align as required the column title:
1711 int x = xpos;
1712 wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1713 switch (col->GetAlignment())
1714 {
1715 case wxALIGN_LEFT:
1716 x += HEADER_HORIZ_BORDER;
1717 break;
1718 case wxALIGN_RIGHT:
1719 x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1720 break;
1721 default:
1722 case wxALIGN_CENTER:
1723 case wxALIGN_CENTER_HORIZONTAL:
1724 x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1725 break;
1726 }
1727
1728 // always center the title vertically:
1729 int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1730
1731 dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1732 HEADER_VERT_BORDER,
1733 wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
1734 wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
1735 dc.DrawText( col->GetTitle(), x, y );
1736 dc.DestroyClippingRegion();
1737
1738 xpos += cw;
1739 }
1740 }
1741
1742 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1743 {
1744 GetParent()->SetFocus();
1745 event.Skip();
1746 }
1747
1748 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1749 {
1750 // we want to work with logical coords
1751 int x;
1752 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1753 int y = event.GetY();
1754
1755 if (m_isDragging)
1756 {
1757 // we don't draw the line beyond our window,
1758 // but we allow dragging it there
1759 int w = 0;
1760 GetClientSize( &w, NULL );
1761 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1762 w -= 6;
1763
1764 if (event.ButtonUp())
1765 {
1766 m_isDragging = false;
1767 if (HasCapture())
1768 ReleaseMouse();
1769
1770 m_dirty = true;
1771 }
1772 m_currentX = wxMax(m_minX + 7, x);
1773
1774 if (m_currentX < w)
1775 {
1776 GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1777 Refresh();
1778 GetOwner()->Refresh();
1779 }
1780
1781 }
1782 else // not dragging
1783 {
1784 m_minX = 0;
1785 m_column = wxNOT_FOUND;
1786
1787 bool hit_border = false;
1788
1789 // end of the current column
1790 int xpos = 0;
1791
1792 // find the column where this event occured
1793 int countCol = m_owner->GetColumnCount();
1794 for (int column = 0; column < countCol; column++)
1795 {
1796 wxDataViewColumn *p = GetColumn(column);
1797
1798 if (p->IsHidden())
1799 continue; // skip if not shown
1800
1801 xpos += p->GetWidth();
1802 m_column = column;
1803 if ((abs(x-xpos) < 3) && (y < 22))
1804 {
1805 hit_border = true;
1806 break;
1807 }
1808
1809 if (x < xpos)
1810 {
1811 // inside the column
1812 break;
1813 }
1814
1815 m_minX = xpos;
1816 }
1817
1818 int old_hover = m_hover;
1819 m_hover = m_column;
1820 if (event.Leaving())
1821 m_hover = wxNOT_FOUND;
1822 if (old_hover != m_hover)
1823 Refresh();
1824
1825 if (m_column == wxNOT_FOUND)
1826 return;
1827
1828 bool resizeable = GetColumn(m_column)->IsResizeable();
1829 if (event.LeftDClick() && resizeable)
1830 {
1831 GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1832 Refresh();
1833 }
1834 else if (event.LeftDown() || event.RightUp())
1835 {
1836 if (hit_border && event.LeftDown() && resizeable)
1837 {
1838 m_isDragging = true;
1839 CaptureMouse();
1840 m_currentX = x;
1841 }
1842 else // click on a column
1843 {
1844 wxDataViewModel * model = GetOwner()->GetModel();
1845 wxEventType evt = event.LeftDown() ?
1846 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1847 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1848 SendEvent(evt, m_column);
1849
1850 //Left click the header
1851 if(event.LeftDown())
1852 {
1853 wxDataViewColumn *col = GetColumn(m_column);
1854 if(col->IsSortable())
1855 {
1856 wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
1857 if(model && sortCol == col)
1858 {
1859 bool order = col->IsSortOrderAscending();
1860 col->SetSortOrder(!order);
1861 }
1862 else if(model)
1863 {
1864 m_owner->SetSortingColumn(col);
1865 }
1866 }
1867 UpdateDisplay();
1868 if(model)
1869 model->Resort();
1870 //Send the column sorted event
1871 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1872 }
1873 }
1874 }
1875 else if (event.Moving())
1876 {
1877 if (hit_border && resizeable)
1878 m_currentCursor = m_resizeCursor;
1879 else
1880 m_currentCursor = wxSTANDARD_CURSOR;
1881
1882 SetCursor(*m_currentCursor);
1883 }
1884 }
1885 }
1886
1887 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1888 {
1889 int xpix, x;
1890
1891 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1892 m_owner->GetViewStart( &x, NULL );
1893
1894 // shift the DC origin to match the position of the main window horizontal
1895 // scrollbar: this allows us to always use logical coords
1896 dc.SetDeviceOrigin( -x * xpix, 0 );
1897 }
1898
1899 #endif // defined(__WXMSW__)
1900
1901 //-----------------------------------------------------------------------------
1902 // wxDataViewRenameTimer
1903 //-----------------------------------------------------------------------------
1904
1905 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1906 {
1907 m_owner = owner;
1908 }
1909
1910 void wxDataViewRenameTimer::Notify()
1911 {
1912 m_owner->OnRenameTimer();
1913 }
1914
1915 //-----------------------------------------------------------------------------
1916 // wxDataViewMainWindow
1917 //-----------------------------------------------------------------------------
1918
1919 //The tree building helper, declared firstly
1920 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1921
1922 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1923 {
1924 if (row1 > row2) return 1;
1925 if (row1 == row2) return 0;
1926 return -1;
1927 }
1928
1929
1930 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1931
1932 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1933 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1934 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1935 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1936 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1937 EVT_CHAR (wxDataViewMainWindow::OnChar)
1938 END_EVENT_TABLE()
1939
1940 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1941 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1942 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1943 m_selection( wxDataViewSelectionCmp )
1944
1945 {
1946 SetOwner( parent );
1947
1948 m_lastOnSame = false;
1949 m_renameTimer = new wxDataViewRenameTimer( this );
1950
1951 // TODO: user better initial values/nothing selected
1952 m_currentCol = NULL;
1953 m_currentRow = 0;
1954
1955 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1956
1957 m_dragCount = 0;
1958 m_dragStart = wxPoint(0,0);
1959 m_lineLastClicked = (unsigned int) -1;
1960 m_lineBeforeLastClicked = (unsigned int) -1;
1961 m_lineSelectSingleOnUp = (unsigned int) -1;
1962
1963 m_hasFocus = false;
1964
1965 SetBackgroundColour( *wxWHITE );
1966
1967 m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
1968
1969 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1970 m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
1971 //Some new added code to deal with the tree structure
1972 m_root = new wxDataViewTreeNode( NULL );
1973 m_root->SetHasChildren(true);
1974
1975 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1976 m_count = -1 ;
1977 m_underMouse = NULL;
1978 UpdateDisplay();
1979 }
1980
1981 wxDataViewMainWindow::~wxDataViewMainWindow()
1982 {
1983 DestroyTree();
1984 delete m_renameTimer;
1985 }
1986
1987 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1988 {
1989 wxDataViewModel *model = GetOwner()->GetModel();
1990 wxAutoBufferedPaintDC dc( this );
1991
1992 #ifdef __WXMSW__
1993 dc.SetPen( *wxTRANSPARENT_PEN );
1994 dc.SetBrush( wxBrush( GetBackgroundColour()) );
1995 dc.SetBrush( *wxWHITE_BRUSH );
1996 wxSize size( GetClientSize() );
1997 dc.DrawRectangle( 0,0,size.x,size.y );
1998 #endif
1999
2000 // prepare the DC
2001 GetOwner()->PrepareDC( dc );
2002 dc.SetFont( GetFont() );
2003
2004 wxRect update = GetUpdateRegion().GetBox();
2005 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
2006
2007 // compute which items needs to be redrawn
2008 unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
2009 unsigned int item_count =
2010 wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
2011 (int)(GetRowCount( ) - item_start));
2012 unsigned int item_last = item_start + item_count;
2013
2014 // compute which columns needs to be redrawn
2015 unsigned int cols = GetOwner()->GetColumnCount();
2016 unsigned int col_start = 0;
2017 unsigned int x_start = 0;
2018 for (x_start = 0; col_start < cols; col_start++)
2019 {
2020 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
2021 if (col->IsHidden())
2022 continue; // skip it!
2023
2024 unsigned int w = col->GetWidth();
2025 if (x_start+w >= (unsigned int)update.x)
2026 break;
2027
2028 x_start += w;
2029 }
2030
2031 unsigned int col_last = col_start;
2032 unsigned int x_last = x_start;
2033 for (; col_last < cols; col_last++)
2034 {
2035 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2036 if (col->IsHidden())
2037 continue; // skip it!
2038
2039 if (x_last > (unsigned int)update.GetRight())
2040 break;
2041
2042 x_last += col->GetWidth();
2043 }
2044
2045 // Draw horizontal rules if required
2046 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2047 {
2048 dc.SetPen(m_penRule);
2049 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2050
2051 for (unsigned int i = item_start; i <= item_last+1; i++)
2052 {
2053 int y = i * m_lineHeight;
2054 dc.DrawLine(x_start, y, x_last, y);
2055 }
2056 }
2057
2058 // Draw vertical rules if required
2059 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2060 {
2061 dc.SetPen(m_penRule);
2062 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2063
2064 int x = x_start;
2065 for (unsigned int i = col_start; i < col_last; i++)
2066 {
2067 wxDataViewColumn *col = GetOwner()->GetColumn(i);
2068 if (col->IsHidden())
2069 continue; // skip it
2070
2071 dc.DrawLine(x, item_start * m_lineHeight,
2072 x, item_last * m_lineHeight);
2073
2074 x += col->GetWidth();
2075 }
2076
2077 // Draw last vertical rule
2078 dc.DrawLine(x, item_start * m_lineHeight,
2079 x, item_last * m_lineHeight);
2080 }
2081
2082 // redraw the background for the items which are selected/current
2083 for (unsigned int item = item_start; item < item_last; item++)
2084 {
2085 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2086 if (selected || item == m_currentRow)
2087 {
2088 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2089 if (item == m_currentRow)
2090 flags |= wxCONTROL_CURRENT;
2091 if (m_hasFocus)
2092 flags |= wxCONTROL_FOCUSED;
2093
2094 wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2095 wxRendererNative::Get().DrawItemSelectionRect
2096 (
2097 this,
2098 dc,
2099 rect,
2100 flags
2101 );
2102 }
2103 }
2104
2105 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
2106 if (!expander)
2107 {
2108 // TODO: last column for RTL support
2109 expander = GetOwner()->GetColumn( 0 );
2110 GetOwner()->SetExpanderColumn(expander);
2111 }
2112
2113 // redraw all cells for all rows which must be repainted and for all columns
2114 wxRect cell_rect;
2115 cell_rect.x = x_start;
2116 cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
2117 for (unsigned int i = col_start; i < col_last; i++)
2118 {
2119 wxDataViewColumn *col = GetOwner()->GetColumn( i );
2120 wxDataViewRenderer *cell = col->GetRenderer();
2121 cell_rect.width = col->GetWidth();
2122
2123 if (col->IsHidden())
2124 continue; // skipt it!
2125
2126
2127 for (unsigned int item = item_start; item < item_last; item++)
2128 {
2129 // get the cell value and set it into the renderer
2130 wxVariant value;
2131 wxDataViewTreeNode *node = NULL;
2132 wxDataViewItem dataitem;
2133
2134 if (m_root)
2135 {
2136 node = GetTreeNodeByRow(item);
2137 if( node == NULL )
2138 continue;
2139
2140 dataitem = node->GetItem();
2141
2142 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
2143 continue;
2144 }
2145 else
2146 {
2147 dataitem = wxDataViewItem( (void*) item );
2148 }
2149
2150 model->GetValue( value, dataitem, col->GetModelColumn());
2151 cell->SetValue( value );
2152
2153 if (cell->GetWantsAttr())
2154 {
2155 wxDataViewItemAttr attr;
2156 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
2157 if (ret)
2158 cell->SetAttr( attr );
2159 cell->SetHasAttr( ret );
2160 }
2161
2162 // update the y offset
2163 cell_rect.y = item * m_lineHeight;
2164
2165 //Draw the expander here.
2166 int indent = 0;
2167 if ((m_root) && (col == expander))
2168 {
2169 indent = node->GetIndentLevel();
2170
2171 //Calculate the indent first
2172 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2173
2174 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2175 // change the cell_rect.x to the appropriate pos
2176 int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2177 indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
2178 dc.SetPen( m_penExpander );
2179 dc.SetBrush( wxNullBrush );
2180 if( node->HasChildren() )
2181 {
2182 wxRect rect( expander_x , expander_y, expander_width, expander_width);
2183 int flag = 0;
2184 if (m_underMouse == node)
2185 {
2186 flag |= wxCONTROL_CURRENT;
2187 }
2188 if( node->IsOpen() )
2189 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
2190 else
2191 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2192 }
2193 else
2194 {
2195 // I am wondering whether we should draw dot lines between tree nodes
2196 if (node)
2197 delete node;
2198 // Yes, if the node does not have any child, it must be a leaf which
2199 // mean that it is a temporarily created by GetTreeNodeByRow
2200 }
2201
2202 //force the expander column to left-center align
2203 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2204 }
2205
2206
2207 // cannot be bigger than allocated space
2208 wxSize size = cell->GetSize();
2209 // Because of the tree structure indent, here we should minus the width of the cell for drawing
2210 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2211 // size.y = wxMin( size.y, cell_rect.height );
2212 size.y = cell_rect.height;
2213
2214 wxRect item_rect(cell_rect.GetTopLeft(), size);
2215 int align = cell->GetAlignment();
2216
2217 // horizontal alignment:
2218 item_rect.x = cell_rect.x;
2219 if (align & wxALIGN_CENTER_HORIZONTAL)
2220 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2221 else if (align & wxALIGN_RIGHT)
2222 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2223 //else: wxALIGN_LEFT is the default
2224
2225 // vertical alignment:
2226 item_rect.y = cell_rect.y;
2227 if (align & wxALIGN_CENTER_VERTICAL)
2228 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2229 else if (align & wxALIGN_BOTTOM)
2230 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2231 //else: wxALIGN_TOP is the default
2232
2233 // add padding
2234 item_rect.x += PADDING_RIGHTLEFT;
2235 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2236
2237 //Here we add the tree indent
2238 item_rect.x += indent;
2239
2240 int state = 0;
2241 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
2242 state |= wxDATAVIEW_CELL_SELECTED;
2243
2244 // TODO: it would be much more efficient to create a clipping
2245 // region for the entire column being rendered (in the OnPaint
2246 // of wxDataViewMainWindow) instead of a single clip region for
2247 // each cell. However it would mean that each renderer should
2248 // respect the given wxRect's top & bottom coords, eventually
2249 // violating only the left & right coords - however the user can
2250 // make its own renderer and thus we cannot be sure of that.
2251 dc.SetClippingRegion( item_rect );
2252 cell->Render( item_rect, &dc, state );
2253 dc.DestroyClippingRegion();
2254 }
2255
2256 cell_rect.x += cell_rect.width;
2257 }
2258 }
2259
2260 void wxDataViewMainWindow::OnRenameTimer()
2261 {
2262 // We have to call this here because changes may just have
2263 // been made and no screen update taken place.
2264 if ( m_dirty )
2265 wxSafeYield();
2266
2267 int xpos = 0;
2268 unsigned int cols = GetOwner()->GetColumnCount();
2269 unsigned int i;
2270 for (i = 0; i < cols; i++)
2271 {
2272 wxDataViewColumn *c = GetOwner()->GetColumn( i );
2273 if (c->IsHidden())
2274 continue; // skip it!
2275
2276 if (c == m_currentCol)
2277 break;
2278 xpos += c->GetWidth();
2279 }
2280 wxRect labelRect( xpos, m_currentRow * m_lineHeight,
2281 m_currentCol->GetWidth(), m_lineHeight );
2282
2283 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
2284 &labelRect.x, &labelRect.y);
2285
2286 wxDataViewItem item = GetItemByRow( m_currentRow );
2287 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
2288
2289 }
2290
2291 //------------------------------------------------------------------
2292 // Helper class for do operation on the tree node
2293 //------------------------------------------------------------------
2294 class DoJob
2295 {
2296 public:
2297 DoJob(){};
2298 virtual ~DoJob(){};
2299
2300 //The return value control how the tree-walker tranverse the tree
2301 // 0: Job done, stop tranverse and return
2302 // 1: Ignore the current node's subtree and continue
2303 // 2: Job not done, continue
2304 enum { OK = 0 , IGR = 1, CONT = 2 };
2305 virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
2306 virtual int operator() ( void * n ) = 0;
2307 };
2308
2309 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2310 {
2311 if( node==NULL )
2312 return false;
2313
2314 switch( func( node ) )
2315 {
2316 case DoJob::OK :
2317 return true ;
2318 case DoJob::IGR:
2319 return false;
2320 case DoJob::CONT:
2321 default:
2322 ;
2323 }
2324
2325 wxDataViewTreeNodes nodes = node->GetNodes();
2326 wxDataViewTreeLeaves leaves = node->GetChildren();
2327
2328 int len_nodes = nodes.GetCount();
2329 int len = leaves.GetCount();
2330 int i = 0, nodes_i = 0;
2331
2332 for( ; i < len ; i ++ )
2333 {
2334 void * n = leaves[i];
2335 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2336 {
2337 wxDataViewTreeNode * nd = nodes[nodes_i];
2338 nodes_i++;
2339
2340 if( Walker( nd , func ) )
2341 return true;
2342
2343 }
2344 else
2345 switch( func( n ) )
2346 {
2347 case DoJob::OK :
2348 return true ;
2349 case DoJob::IGR:
2350 continue;
2351 case DoJob::CONT:
2352 default:
2353 ;
2354 }
2355 }
2356 return false;
2357 }
2358
2359 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2360 {
2361 if (!m_root)
2362 {
2363 m_count++;
2364 UpdateDisplay();
2365 return true;
2366 }
2367
2368 SortPrepare();
2369
2370 wxDataViewTreeNode * node;
2371 node = FindNode(parent);
2372
2373 if( node == NULL )
2374 return false;
2375
2376 node->SetHasChildren( true );
2377
2378 if( g_model->IsContainer( item ) )
2379 {
2380 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2381 newnode->SetItem(item);
2382 newnode->SetHasChildren( true );
2383 node->AddNode( newnode);
2384 }
2385 else
2386 node->AddLeaf( item.GetID() );
2387
2388 node->ChangeSubTreeCount(1);
2389
2390 m_count = -1;
2391 UpdateDisplay();
2392
2393 return true;
2394 }
2395
2396 void DestroyTreeHelper( wxDataViewTreeNode * node);
2397
2398 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2399 const wxDataViewItem& item)
2400 {
2401 if (!m_root)
2402 {
2403 m_count--;
2404 if( m_currentRow > GetRowCount() )
2405 m_currentRow = m_count - 1;
2406
2407 m_selection.Empty();
2408
2409 UpdateDisplay();
2410
2411 return true;
2412 }
2413
2414 wxDataViewTreeNode * node = FindNode(parent);
2415
2416 wxCHECK_MSG( node != NULL, false, "item not found" );
2417 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2418
2419 int sub = -1;
2420 node->GetChildren().Remove( item.GetID() );
2421 //Manuplate selection
2422 if( m_selection.GetCount() > 1 )
2423 {
2424 m_selection.Empty();
2425 }
2426 bool isContainer = false;
2427 wxDataViewTreeNodes nds = node->GetNodes();
2428 for (size_t i = 0; i < nds.GetCount(); i ++)
2429 {
2430 if (nds[i]->GetItem() == item)
2431 {
2432 isContainer = true;
2433 break;
2434 }
2435 }
2436 if( isContainer )
2437 {
2438 wxDataViewTreeNode * n = NULL;
2439 wxDataViewTreeNodes nodes = node->GetNodes();
2440 int len = nodes.GetCount();
2441 for( int i = 0 ; i < len; i ++)
2442 {
2443 if( nodes[i]->GetItem() == item )
2444 {
2445 n = nodes[i];
2446 break;
2447 }
2448 }
2449
2450 wxCHECK_MSG( n != NULL, false, "item not found" );
2451
2452 node->GetNodes().Remove( n );
2453 sub -= n->GetSubTreeCount();
2454 DestroyTreeHelper(n);
2455 }
2456 //Make the row number invalid and get a new valid one when user call GetRowCount
2457 m_count = -1;
2458 node->ChangeSubTreeCount(sub);
2459 if( node->GetChildrenNumber() == 0)
2460 {
2461 node->GetParent()->GetNodes().Remove( node );
2462 delete node;
2463 }
2464
2465 //Change the current row to the last row if the current exceed the max row number
2466 if( m_currentRow > GetRowCount() )
2467 m_currentRow = m_count - 1;
2468
2469 UpdateDisplay();
2470
2471 return true;
2472 }
2473
2474 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2475 {
2476 SortPrepare();
2477 g_model->Resort();
2478
2479 //Send event
2480 wxWindow *parent = GetParent();
2481 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2482 le.SetEventObject(parent);
2483 le.SetModel(GetOwner()->GetModel());
2484 le.SetItem(item);
2485 parent->GetEventHandler()->ProcessEvent(le);
2486
2487 return true;
2488 }
2489
2490 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2491 {
2492 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2493 /*#define MAX_VIRTUAL_WIDTH 100000
2494
2495 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2496 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2497 Refresh( true, &rect );
2498
2499 return true;
2500 */
2501 SortPrepare();
2502 g_model->Resort();
2503
2504 //Send event
2505 wxWindow *parent = GetParent();
2506 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2507 le.SetEventObject(parent);
2508 le.SetModel(GetOwner()->GetModel());
2509 le.SetItem(item);
2510 le.SetColumn(col);
2511 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2512 parent->GetEventHandler()->ProcessEvent(le);
2513
2514 return true;
2515 }
2516
2517 bool wxDataViewMainWindow::Cleared()
2518 {
2519 DestroyTree();
2520
2521 SortPrepare();
2522 BuildTree( GetOwner()->GetModel() );
2523
2524 UpdateDisplay();
2525
2526 return true;
2527 }
2528
2529 void wxDataViewMainWindow::UpdateDisplay()
2530 {
2531 m_dirty = true;
2532 }
2533
2534 void wxDataViewMainWindow::OnInternalIdle()
2535 {
2536 wxWindow::OnInternalIdle();
2537
2538 if (m_dirty)
2539 {
2540 RecalculateDisplay();
2541 m_dirty = false;
2542 }
2543 }
2544
2545 void wxDataViewMainWindow::RecalculateDisplay()
2546 {
2547 wxDataViewModel *model = GetOwner()->GetModel();
2548 if (!model)
2549 {
2550 Refresh();
2551 return;
2552 }
2553
2554 int width = GetEndOfLastCol();
2555 int height = GetRowCount() * m_lineHeight;
2556
2557 SetVirtualSize( width, height );
2558 GetOwner()->SetScrollRate( 10, m_lineHeight );
2559
2560 Refresh();
2561 }
2562
2563 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2564 {
2565 wxWindow::ScrollWindow( dx, dy, rect );
2566
2567 if (GetOwner()->m_headerArea)
2568 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2569 }
2570
2571 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2572 {
2573 int x, y;
2574 m_owner->GetScrollPixelsPerUnit( &x, &y );
2575 int sy = rows*m_lineHeight/y;
2576 int sx = 0;
2577 if( column != -1 )
2578 {
2579 wxRect rect = GetClientRect();
2580 int colnum = 0;
2581 int x_start = 0, x_end = 0, w = 0;
2582 int xx, yy, xe;
2583 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2584 for (x_start = 0; colnum < column; colnum++)
2585 {
2586 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2587 if (col->IsHidden())
2588 continue; // skip it!
2589
2590 w = col->GetWidth();
2591 x_start += w;
2592 }
2593
2594 x_end = x_start + w;
2595 xe = xx + rect.width;
2596 if( x_end > xe )
2597 {
2598 sx = ( xx + x_end - xe )/x;
2599 }
2600 if( x_start < xx )
2601 {
2602 sx = x_start/x;
2603 }
2604 }
2605 m_owner->Scroll( sx, sy );
2606 }
2607
2608 int wxDataViewMainWindow::GetCountPerPage() const
2609 {
2610 wxSize size = GetClientSize();
2611 return size.y / m_lineHeight;
2612 }
2613
2614 int wxDataViewMainWindow::GetEndOfLastCol() const
2615 {
2616 int width = 0;
2617 unsigned int i;
2618 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2619 {
2620 const wxDataViewColumn *c =
2621 wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2622
2623 if (!c->IsHidden())
2624 width += c->GetWidth();
2625 }
2626 return width;
2627 }
2628
2629 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2630 {
2631 int x = 0;
2632 int y = 0;
2633 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2634
2635 return y / m_lineHeight;
2636 }
2637
2638 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2639 {
2640 wxSize client_size = GetClientSize();
2641 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2642 &client_size.x, &client_size.y );
2643
2644 //we should deal with the pixel here
2645 unsigned int row = ((client_size.y)/m_lineHeight) - 1;
2646
2647 return wxMin( GetRowCount()-1, row );
2648 }
2649
2650 unsigned int wxDataViewMainWindow::GetRowCount()
2651 {
2652 if ( m_count == -1 )
2653 {
2654 m_count = RecalculateCount();
2655 int width, height;
2656 GetVirtualSize( &width, &height );
2657 height = m_count * m_lineHeight;
2658
2659 SetVirtualSize( width, height );
2660 }
2661 return m_count;
2662 }
2663
2664 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2665 {
2666 m_currentRow = row;
2667
2668 // send event
2669 }
2670
2671 void wxDataViewMainWindow::SelectAllRows( bool on )
2672 {
2673 if (IsEmpty())
2674 return;
2675
2676 if (on)
2677 {
2678 m_selection.Clear();
2679 for (unsigned int i = 0; i < GetRowCount(); i++)
2680 m_selection.Add( i );
2681 Refresh();
2682 }
2683 else
2684 {
2685 unsigned int first_visible = GetFirstVisibleRow();
2686 unsigned int last_visible = GetLastVisibleRow();
2687 unsigned int i;
2688 for (i = 0; i < m_selection.GetCount(); i++)
2689 {
2690 unsigned int row = m_selection[i];
2691 if ((row >= first_visible) && (row <= last_visible))
2692 RefreshRow( row );
2693 }
2694 m_selection.Clear();
2695 }
2696 }
2697
2698 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2699 {
2700 if (m_selection.Index( row ) == wxNOT_FOUND)
2701 {
2702 if (on)
2703 {
2704 m_selection.Add( row );
2705 RefreshRow( row );
2706 }
2707 }
2708 else
2709 {
2710 if (!on)
2711 {
2712 m_selection.Remove( row );
2713 RefreshRow( row );
2714 }
2715 }
2716 }
2717
2718 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2719 {
2720 if (from > to)
2721 {
2722 unsigned int tmp = from;
2723 from = to;
2724 to = tmp;
2725 }
2726
2727 unsigned int i;
2728 for (i = from; i <= to; i++)
2729 {
2730 if (m_selection.Index( i ) == wxNOT_FOUND)
2731 {
2732 if (on)
2733 m_selection.Add( i );
2734 }
2735 else
2736 {
2737 if (!on)
2738 m_selection.Remove( i );
2739 }
2740 }
2741 RefreshRows( from, to );
2742 }
2743
2744 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2745 {
2746 for (size_t i=0; i < aSelections.GetCount(); i++)
2747 {
2748 int n = aSelections[i];
2749
2750 m_selection.Add( n );
2751 RefreshRow( n );
2752 }
2753 }
2754
2755 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2756 {
2757 if (m_selection.Index( row ) == wxNOT_FOUND)
2758 m_selection.Add( row );
2759 else
2760 m_selection.Remove( row );
2761 RefreshRow( row );
2762 }
2763
2764 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2765 {
2766 return (m_selection.Index( row ) != wxNOT_FOUND);
2767 }
2768
2769 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2770 {
2771 wxWindow *parent = GetParent();
2772 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2773
2774 le.SetEventObject(parent);
2775 le.SetModel(GetOwner()->GetModel());
2776 le.SetItem( item );
2777
2778 parent->GetEventHandler()->ProcessEvent(le);
2779 }
2780
2781 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2782 {
2783 wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2784 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2785
2786 wxSize client_size = GetClientSize();
2787 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2788 wxRect intersect_rect = client_rect.Intersect( rect );
2789 if (intersect_rect.width > 0)
2790 Refresh( true, &intersect_rect );
2791 }
2792
2793 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2794 {
2795 if (from > to)
2796 {
2797 unsigned int tmp = to;
2798 to = from;
2799 from = tmp;
2800 }
2801
2802 wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2803 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2804
2805 wxSize client_size = GetClientSize();
2806 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2807 wxRect intersect_rect = client_rect.Intersect( rect );
2808 if (intersect_rect.width > 0)
2809 Refresh( true, &intersect_rect );
2810 }
2811
2812 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2813 {
2814 unsigned int count = GetRowCount();
2815 if (firstRow > count)
2816 return;
2817
2818 wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2819 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2820
2821 wxSize client_size = GetClientSize();
2822 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2823 wxRect intersect_rect = client_rect.Intersect( rect );
2824 if (intersect_rect.width > 0)
2825 Refresh( true, &intersect_rect );
2826 }
2827
2828 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2829 {
2830 wxCHECK_RET( newCurrent < GetRowCount(),
2831 _T("invalid item index in OnArrowChar()") );
2832
2833 // if there is no selection, we cannot move it anywhere
2834 if (!HasCurrentRow())
2835 return;
2836
2837 unsigned int oldCurrent = m_currentRow;
2838
2839 // in single selection we just ignore Shift as we can't select several
2840 // items anyhow
2841 if ( event.ShiftDown() && !IsSingleSel() )
2842 {
2843 RefreshRow( oldCurrent );
2844
2845 ChangeCurrentRow( newCurrent );
2846
2847 // select all the items between the old and the new one
2848 if ( oldCurrent > newCurrent )
2849 {
2850 newCurrent = oldCurrent;
2851 oldCurrent = m_currentRow;
2852 }
2853
2854 SelectRows( oldCurrent, newCurrent, true );
2855 if (oldCurrent!=newCurrent)
2856 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2857 }
2858 else // !shift
2859 {
2860 RefreshRow( oldCurrent );
2861
2862 // all previously selected items are unselected unless ctrl is held
2863 if ( !event.ControlDown() )
2864 SelectAllRows(false);
2865
2866 ChangeCurrentRow( newCurrent );
2867
2868 if ( !event.ControlDown() )
2869 {
2870 SelectRow( m_currentRow, true );
2871 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2872 }
2873 else
2874 RefreshRow( m_currentRow );
2875 }
2876
2877 GetOwner()->EnsureVisible( m_currentRow, -1 );
2878 }
2879
2880 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2881 {
2882 wxRect rect;
2883 rect.x = 0;
2884 rect.y = m_lineHeight * row;
2885 rect.width = GetEndOfLastCol();
2886 rect.height = m_lineHeight;
2887
2888 return rect;
2889 }
2890
2891 class RowToItemJob: public DoJob
2892 {
2893 public:
2894 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2895 virtual ~RowToItemJob(){};
2896
2897 virtual int operator() ( wxDataViewTreeNode * node )
2898 {
2899 current ++;
2900 if( current == static_cast<int>(row))
2901 {
2902 ret = node->GetItem() ;
2903 return DoJob::OK;
2904 }
2905
2906 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2907 {
2908 current += node->GetSubTreeCount();
2909 return DoJob::IGR;
2910 }
2911 else
2912 {
2913 //If the current has no child node, we can find the desired item of the row number directly.
2914 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2915 if( node->GetNodes().GetCount() == 0)
2916 {
2917 int index = static_cast<int>(row) - current - 1;
2918 ret = node->GetChildren().Item( index );
2919 return DoJob::OK;
2920 }
2921 return DoJob::CONT;
2922 }
2923 }
2924
2925 virtual int operator() ( void * n )
2926 {
2927 current ++;
2928 if( current == static_cast<int>(row))
2929 {
2930 ret = wxDataViewItem( n ) ;
2931 return DoJob::OK;
2932 }
2933 return DoJob::CONT;
2934 }
2935 wxDataViewItem GetResult(){ return ret; }
2936 private:
2937 unsigned int row;
2938 int current ;
2939 wxDataViewItem ret;
2940 };
2941
2942 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2943 {
2944 if (!m_root)
2945 {
2946 return wxDataViewItem( (void*) row );
2947 }
2948 else
2949 {
2950 RowToItemJob job( row, -2 );
2951 Walker( m_root , job );
2952 return job.GetResult();
2953 }
2954 }
2955
2956 class RowToTreeNodeJob: public DoJob
2957 {
2958 public:
2959 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2960 {
2961 this->row = row;
2962 this->current = current ;
2963 ret = NULL ;
2964 parent = node;
2965 }
2966 virtual ~RowToTreeNodeJob(){};
2967
2968 virtual int operator() ( wxDataViewTreeNode * node )
2969 {
2970 current ++;
2971 if( current == static_cast<int>(row))
2972 {
2973 ret = node ;
2974 return DoJob::OK;
2975 }
2976
2977 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2978 {
2979 current += node->GetSubTreeCount();
2980 return DoJob::IGR;
2981 }
2982 else
2983 {
2984 parent = node;
2985 //If the current has no child node, we can find the desired item of the row number directly.
2986 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2987 if( node->GetNodes().GetCount() == 0)
2988 {
2989 int index = static_cast<int>(row) - current - 1;
2990 void * n = node->GetChildren().Item( index );
2991 ret = new wxDataViewTreeNode( parent ) ;
2992 ret->SetItem( wxDataViewItem( n ));
2993 ret->SetHasChildren(false);
2994 return DoJob::OK;
2995 }
2996 return DoJob::CONT;
2997 }
2998
2999
3000 }
3001
3002 virtual int operator() ( void * n )
3003 {
3004 current ++;
3005 if( current == static_cast<int>(row))
3006 {
3007 ret = new wxDataViewTreeNode( parent ) ;
3008 ret->SetItem( wxDataViewItem( n ));
3009 ret->SetHasChildren(false);
3010 return DoJob::OK;
3011 }
3012
3013 return DoJob::CONT;
3014 }
3015 wxDataViewTreeNode * GetResult(){ return ret; }
3016 private:
3017 unsigned int row;
3018 int current ;
3019 wxDataViewTreeNode * ret;
3020 wxDataViewTreeNode * parent ;
3021 };
3022
3023
3024 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
3025 {
3026 if (!m_root)
3027 {
3028 return NULL;
3029 }
3030 else
3031 {
3032 RowToTreeNodeJob job( row , -2, m_root );
3033 Walker( m_root , job );
3034 return job.GetResult();
3035 }
3036 }
3037
3038 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
3039 {
3040 wxWindow *parent = GetParent();
3041 wxDataViewEvent le(type, parent->GetId());
3042
3043 le.SetEventObject(parent);
3044 le.SetModel(GetOwner()->GetModel());
3045 le.SetItem( item );
3046
3047 parent->GetEventHandler()->ProcessEvent(le);
3048 return le;
3049 }
3050
3051 void wxDataViewMainWindow::OnExpanding( unsigned int row )
3052 {
3053 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3054 if( node != NULL )
3055 {
3056 if( node->HasChildren())
3057 {
3058 if( !node->IsOpen())
3059 {
3060 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
3061 //Check if the user prevent expanding
3062 if( e.GetSkipped() )
3063 return;
3064
3065 node->ToggleOpen();
3066 //Here I build the children of current node
3067 if( node->GetChildrenNumber() == 0 )
3068 {
3069 SortPrepare();
3070 BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
3071 }
3072 m_count = -1;
3073 UpdateDisplay();
3074 //Send the expanded event
3075 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3076 }
3077 else
3078 {
3079 SelectRow( row, false );
3080 SelectRow( row + 1, true );
3081 ChangeCurrentRow( row + 1 );
3082 SendSelectionChangedEvent( GetItemByRow(row+1));
3083 }
3084 }
3085 else
3086 delete node;
3087 }
3088 }
3089
3090 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
3091 {
3092 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3093 if( node != NULL )
3094 {
3095 wxDataViewTreeNode * nd = node;
3096
3097 if( node->HasChildren() && node->IsOpen() )
3098 {
3099 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3100 if( e.GetSkipped() )
3101 return;
3102 node->ToggleOpen();
3103 m_count = -1;
3104 UpdateDisplay();
3105 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
3106 }
3107 else
3108 {
3109 node = node->GetParent();
3110 if( node != NULL )
3111 {
3112 int parent = GetRowByItem( node->GetItem() ) ;
3113 if( parent >= 0 )
3114 {
3115 SelectRow( row, false);
3116 SelectRow(parent , true );
3117 ChangeCurrentRow( parent );
3118 SendSelectionChangedEvent( node->GetItem() );
3119 }
3120 }
3121 }
3122 if( !nd->HasChildren())
3123 delete nd;
3124 }
3125 }
3126
3127 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3128 {
3129 wxDataViewModel * model = GetOwner()->GetModel();
3130 if( model == NULL )
3131 return NULL;
3132
3133 //Compose the a parent-chain of the finding item
3134 ItemList list;
3135 list.DeleteContents( true );
3136 wxDataViewItem it( item );
3137 while( it.IsOk() )
3138 {
3139 wxDataViewItem * pItem = new wxDataViewItem( it );
3140 list.Insert( pItem );
3141 it = model->GetParent( it );
3142 }
3143
3144 //Find the item along the parent-chain.
3145 //This algorithm is designed to speed up the node-finding method
3146 wxDataViewTreeNode * node = m_root;
3147 for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )
3148 {
3149 if( node->HasChildren() )
3150 {
3151 if( node->GetChildrenNumber() == 0 )
3152 {
3153 SortPrepare();
3154 BuildTreeHelper(model, node->GetItem(), node);
3155 }
3156
3157 wxDataViewTreeNodes nodes = node->GetNodes();
3158 unsigned int i = 0;
3159 for (; i < nodes.GetCount(); i ++)
3160 {
3161 if (nodes[i]->GetItem() == (**iter))
3162 {
3163 node = nodes[i];
3164 break;
3165 }
3166 }
3167 if (i == nodes.GetCount())
3168 return NULL;
3169 }
3170 else
3171 return NULL;
3172 }
3173 return node;
3174 }
3175
3176 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3177 {
3178 wxDataViewColumn *col = NULL;
3179 unsigned int cols = GetOwner()->GetColumnCount();
3180 unsigned int colnum = 0;
3181 unsigned int x_start = 0;
3182 int x, y;
3183 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3184 for (x_start = 0; colnum < cols; colnum++)
3185 {
3186 col = GetOwner()->GetColumn(colnum);
3187 if (col->IsHidden())
3188 continue; // skip it!
3189
3190 unsigned int w = col->GetWidth();
3191 if (x_start+w >= (unsigned int)x)
3192 break;
3193
3194 x_start += w;
3195 }
3196
3197 column = col;
3198 item = GetItemByRow( y/m_lineHeight );
3199 }
3200
3201 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3202 {
3203 int row = GetRowByItem(item);
3204 int y = row*m_lineHeight;
3205 int h = m_lineHeight;
3206 int x = 0;
3207 wxDataViewColumn *col = NULL;
3208 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3209 {
3210 col = GetOwner()->GetColumn( i );
3211 x += col->GetWidth();
3212 if( GetOwner()->GetColumn(i+1) == column )
3213 break;
3214 }
3215 int w = col->GetWidth();
3216 m_owner->CalcScrolledPosition( x, y, &x, &y );
3217 return wxRect(x, y, w, h);
3218 }
3219
3220 int wxDataViewMainWindow::RecalculateCount()
3221 {
3222 if (!m_root)
3223 {
3224 wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3225 #ifndef __WXMAC__
3226 return list_model->GetLastIndex() + 1;
3227 #else
3228 return list_model->GetLastIndex() - 1;
3229 #endif
3230 }
3231 else
3232 {
3233 return m_root->GetSubTreeCount();
3234 }
3235 }
3236
3237 class ItemToRowJob : public DoJob
3238 {
3239 public:
3240 ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
3241 { this->item = item ; ret = -1 ; m_iter = iter ; }
3242 virtual ~ItemToRowJob(){};
3243
3244 //Maybe binary search will help to speed up this process
3245 virtual int operator() ( wxDataViewTreeNode * node)
3246 {
3247 ret ++;
3248 if( node->GetItem() == item )
3249 {
3250 return DoJob::OK;
3251 }
3252
3253 if( node->GetItem() == **m_iter )
3254 {
3255 m_iter++ ;
3256 return DoJob::CONT;
3257 }
3258 else
3259 {
3260 ret += node->GetSubTreeCount();
3261 return DoJob::IGR;
3262 }
3263
3264 }
3265
3266 virtual int operator() ( void * n )
3267 {
3268 ret ++;
3269 if( n == item.GetID() )
3270 return DoJob::OK;
3271 return DoJob::CONT;
3272 }
3273 //the row number is begin from zero
3274 int GetResult(){ return ret -1 ; }
3275 private:
3276 ItemList::const_iterator m_iter;
3277 wxDataViewItem item;
3278 int ret;
3279
3280 };
3281
3282 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3283 {
3284 wxDataViewModel * model = GetOwner()->GetModel();
3285 if( model == NULL )
3286 return -1;
3287
3288 if (!m_root)
3289 {
3290 return wxPtrToUInt( item.GetID() );
3291 }
3292 else
3293 {
3294 if( !item.IsOk() )
3295 return -1;
3296
3297 //Compose the a parent-chain of the finding item
3298 ItemList list;
3299 wxDataViewItem * pItem = NULL;
3300 list.DeleteContents( true );
3301 wxDataViewItem it( item );
3302 while( it.IsOk() )
3303 {
3304 pItem = new wxDataViewItem( it );
3305 list.Insert( pItem );
3306 it = model->GetParent( it );
3307 }
3308 pItem = new wxDataViewItem( );
3309 list.Insert( pItem );
3310
3311 ItemToRowJob job( item, list.begin() );
3312 Walker(m_root , job );
3313 return job.GetResult();
3314 }
3315 }
3316
3317 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
3318 {
3319 if( !model->IsContainer( item ) )
3320 return ;
3321
3322 wxDataViewItemArray children;
3323 unsigned int num = model->GetChildren( item, children);
3324 unsigned int index = 0;
3325 while( index < num )
3326 {
3327 if( model->IsContainer( children[index] ) )
3328 {
3329 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3330 n->SetItem(children[index]);
3331 n->SetHasChildren( true ) ;
3332 node->AddNode( n );
3333 }
3334 else
3335 {
3336 node->AddLeaf( children[index].GetID() );
3337 }
3338 index ++;
3339 }
3340 node->SetSubTreeCount( num );
3341 wxDataViewTreeNode * n = node->GetParent();
3342 if( n != NULL)
3343 n->ChangeSubTreeCount(num);
3344
3345 }
3346
3347 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3348 {
3349 DestroyTree();
3350
3351 if (GetOwner()->GetModel()->IsIndexListModel())
3352 {
3353 m_count = -1 ;
3354 return;
3355 }
3356
3357 m_root = new wxDataViewTreeNode( NULL );
3358 m_root->SetHasChildren(true);
3359
3360 //First we define a invalid item to fetch the top-level elements
3361 wxDataViewItem item;
3362 SortPrepare();
3363 BuildTreeHelper( model, item, m_root);
3364 m_count = -1 ;
3365 }
3366
3367 void DestroyTreeHelper( wxDataViewTreeNode * node )
3368 {
3369 if( node->GetNodeNumber() != 0 )
3370 {
3371 int len = node->GetNodeNumber();
3372 int i = 0 ;
3373 wxDataViewTreeNodes nodes = node->GetNodes();
3374 for( ; i < len; i ++ )
3375 {
3376 DestroyTreeHelper(nodes[i]);
3377 }
3378 }
3379 delete node;
3380 }
3381
3382 void wxDataViewMainWindow::DestroyTree()
3383 {
3384 if (m_root)
3385 {
3386 DestroyTreeHelper(m_root);
3387 m_count = 0;
3388 m_root = NULL;
3389 }
3390 }
3391
3392 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3393 {
3394 if (event.GetKeyCode() == WXK_TAB)
3395 {
3396 wxNavigationKeyEvent nevent;
3397 nevent.SetWindowChange( event.ControlDown() );
3398 nevent.SetDirection( !event.ShiftDown() );
3399 nevent.SetEventObject( GetParent()->GetParent() );
3400 nevent.SetCurrentFocus( m_parent );
3401 if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
3402 return;
3403 }
3404
3405 // no item -> nothing to do
3406 if (!HasCurrentRow())
3407 {
3408 event.Skip();
3409 return;
3410 }
3411
3412 // don't use m_linesPerPage directly as it might not be computed yet
3413 const int pageSize = GetCountPerPage();
3414 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3415
3416 switch ( event.GetKeyCode() )
3417 {
3418 case WXK_RETURN:
3419 {
3420 if (m_currentRow > 0)
3421 {
3422 wxWindow *parent = GetParent();
3423 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3424 le.SetItem( GetItemByRow(m_currentRow) );
3425 le.SetEventObject(parent);
3426 le.SetModel(GetOwner()->GetModel());
3427
3428 parent->GetEventHandler()->ProcessEvent(le);
3429 }
3430 break;
3431 }
3432 case WXK_UP:
3433 if ( m_currentRow > 0 )
3434 OnArrowChar( m_currentRow - 1, event );
3435 break;
3436
3437 case WXK_DOWN:
3438 if ( m_currentRow < GetRowCount() - 1 )
3439 OnArrowChar( m_currentRow + 1, event );
3440 break;
3441 //Add the process for tree expanding/collapsing
3442 case WXK_LEFT:
3443 OnCollapsing(m_currentRow);
3444 break;
3445 case WXK_RIGHT:
3446 OnExpanding( m_currentRow);
3447 break;
3448 case WXK_END:
3449 if (!IsEmpty())
3450 OnArrowChar( GetRowCount() - 1, event );
3451 break;
3452
3453 case WXK_HOME:
3454 if (!IsEmpty())
3455 OnArrowChar( 0, event );
3456 break;
3457
3458 case WXK_PAGEUP:
3459 {
3460 int steps = pageSize - 1;
3461 int index = m_currentRow - steps;
3462 if (index < 0)
3463 index = 0;
3464
3465 OnArrowChar( index, event );
3466 }
3467 break;
3468
3469 case WXK_PAGEDOWN:
3470 {
3471 int steps = pageSize - 1;
3472 unsigned int index = m_currentRow + steps;
3473 unsigned int count = GetRowCount();
3474 if ( index >= count )
3475 index = count - 1;
3476
3477 OnArrowChar( index, event );
3478 }
3479 break;
3480
3481 default:
3482 event.Skip();
3483 }
3484 }
3485
3486 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3487 {
3488 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3489 {
3490 // let the base handle mouse wheel events.
3491 event.Skip();
3492 return;
3493 }
3494
3495 int x = event.GetX();
3496 int y = event.GetY();
3497 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3498 wxDataViewColumn *col = NULL;
3499
3500 int xpos = 0;
3501 unsigned int cols = GetOwner()->GetColumnCount();
3502 unsigned int i;
3503 for (i = 0; i < cols; i++)
3504 {
3505 wxDataViewColumn *c = GetOwner()->GetColumn( i );
3506 if (c->IsHidden())
3507 continue; // skip it!
3508
3509 if (x < xpos + c->GetWidth())
3510 {
3511 col = c;
3512 break;
3513 }
3514 xpos += c->GetWidth();
3515 }
3516 if (!col)
3517 return;
3518
3519 wxDataViewRenderer *cell = col->GetRenderer();
3520 unsigned int current = y / m_lineHeight;
3521 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3522 {
3523 // Unselect all if below the last row ?
3524 return;
3525 }
3526
3527 //Test whether the mouse is hovered on the tree item button
3528 bool hover = false;
3529 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3530 {
3531 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3532 if( node!=NULL && node->HasChildren() )
3533 {
3534 int indent = node->GetIndentLevel();
3535 indent = GetOwner()->GetIndent()*indent;
3536 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3537 if( rect.Contains( x, y) )
3538 {
3539 //So the mouse is over the expander
3540 hover = true;
3541 if (m_underMouse && m_underMouse != node)
3542 {
3543 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3544 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3545 }
3546 if (m_underMouse != node)
3547 {
3548 //wxLogMessage("Do the row: %d", current);
3549 RefreshRow(current);
3550 }
3551 m_underMouse = node;
3552 }
3553 }
3554 if (node!=NULL && !node->HasChildren())
3555 delete node;
3556 }
3557 if (!hover)
3558 {
3559 if (m_underMouse != NULL)
3560 {
3561 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3562 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3563 m_underMouse = NULL;
3564 }
3565 }
3566
3567 wxDataViewModel *model = GetOwner()->GetModel();
3568
3569 if (event.Dragging())
3570 {
3571 if (m_dragCount == 0)
3572 {
3573 // we have to report the raw, physical coords as we want to be
3574 // able to call HitTest(event.m_pointDrag) from the user code to
3575 // get the item being dragged
3576 m_dragStart = event.GetPosition();
3577 }
3578
3579 m_dragCount++;
3580
3581 if (m_dragCount != 3)
3582 return;
3583
3584 if (event.LeftIsDown())
3585 {
3586 // Notify cell about drag
3587 }
3588 return;
3589 }
3590 else
3591 {
3592 m_dragCount = 0;
3593 }
3594
3595 bool forceClick = false;
3596
3597 if (event.ButtonDClick())
3598 {
3599 m_renameTimer->Stop();
3600 m_lastOnSame = false;
3601 }
3602
3603 wxDataViewItem item = GetItemByRow(current);
3604 bool ignore_other_columns =
3605 ((GetOwner()->GetExpanderColumn() != col) &&
3606 (model->IsContainer(item)) &&
3607 (!model->HasContainerColumns(item)));
3608
3609 if (event.LeftDClick())
3610 {
3611 if ( current == m_lineLastClicked )
3612 {
3613 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3614 {
3615 wxVariant value;
3616 model->GetValue( value, item, col->GetModelColumn() );
3617 cell->SetValue( value );
3618 wxRect cell_rect( xpos, current * m_lineHeight,
3619 col->GetWidth(), m_lineHeight );
3620 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3621
3622 }
3623 else
3624 {
3625 wxWindow *parent = GetParent();
3626 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3627 le.SetItem( item );
3628 le.SetEventObject(parent);
3629 le.SetModel(GetOwner()->GetModel());
3630
3631 parent->GetEventHandler()->ProcessEvent(le);
3632 }
3633 return;
3634 }
3635 else
3636 {
3637 // The first click was on another item, so don't interpret this as
3638 // a double click, but as a simple click instead
3639 forceClick = true;
3640 }
3641 }
3642
3643 if (event.LeftUp())
3644 {
3645 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3646 {
3647 // select single line
3648 SelectAllRows( false );
3649 SelectRow( m_lineSelectSingleOnUp, true );
3650 }
3651
3652 //Process the event of user clicking the expander
3653 bool expander = false;
3654 if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3655 {
3656 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3657 if( node!=NULL && node->HasChildren() )
3658 {
3659 int indent = node->GetIndentLevel();
3660 indent = GetOwner()->GetIndent()*indent;
3661 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3662 if( rect.Contains( x, y) )
3663 {
3664 expander = true;
3665 if( node->IsOpen() )
3666 OnCollapsing(current);
3667 else
3668 OnExpanding( current );
3669 }
3670 }
3671 }
3672 //If the user click the expander, we do not do editing even if the column with expander are editable
3673 if (m_lastOnSame && !expander && !ignore_other_columns)
3674 {
3675 if ((col == m_currentCol) && (current == m_currentRow) &&
3676 (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
3677 {
3678 m_renameTimer->Start( 100, true );
3679 }
3680 }
3681
3682 m_lastOnSame = false;
3683 m_lineSelectSingleOnUp = (unsigned int)-1;
3684 }
3685 else
3686 {
3687 // This is necessary, because after a DnD operation in
3688 // from and to ourself, the up event is swallowed by the
3689 // DnD code. So on next non-up event (which means here and
3690 // now) m_lineSelectSingleOnUp should be reset.
3691 m_lineSelectSingleOnUp = (unsigned int)-1;
3692 }
3693
3694 if (event.RightDown())
3695 {
3696 m_lineBeforeLastClicked = m_lineLastClicked;
3697 m_lineLastClicked = current;
3698
3699 // If the item is already selected, do not update the selection.
3700 // Multi-selections should not be cleared if a selected item is clicked.
3701 if (!IsRowSelected(current))
3702 {
3703 SelectAllRows(false);
3704 ChangeCurrentRow(current);
3705 SelectRow(m_currentRow,true);
3706 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3707 }
3708
3709 // notify cell about right click
3710 // cell->...
3711
3712 // Allow generation of context menu event
3713 event.Skip();
3714 }
3715 else if (event.MiddleDown())
3716 {
3717 // notify cell about middle click
3718 // cell->...
3719 }
3720 if (event.LeftDown() || forceClick)
3721 {
3722 SetFocus();
3723
3724 m_lineBeforeLastClicked = m_lineLastClicked;
3725 m_lineLastClicked = current;
3726
3727 unsigned int oldCurrentRow = m_currentRow;
3728 bool oldWasSelected = IsRowSelected(m_currentRow);
3729
3730 bool cmdModifierDown = event.CmdDown();
3731 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3732 {
3733 if ( IsSingleSel() || !IsRowSelected(current) )
3734 {
3735 SelectAllRows( false );
3736 ChangeCurrentRow(current);
3737 SelectRow(m_currentRow,true);
3738 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3739 }
3740 else // multi sel & current is highlighted & no mod keys
3741 {
3742 m_lineSelectSingleOnUp = current;
3743 ChangeCurrentRow(current); // change focus
3744 }
3745 }
3746 else // multi sel & either ctrl or shift is down
3747 {
3748 if (cmdModifierDown)
3749 {
3750 ChangeCurrentRow(current);
3751 ReverseRowSelection(m_currentRow);
3752 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3753 }
3754 else if (event.ShiftDown())
3755 {
3756 ChangeCurrentRow(current);
3757
3758 unsigned int lineFrom = oldCurrentRow,
3759 lineTo = current;
3760
3761 if ( lineTo < lineFrom )
3762 {
3763 lineTo = lineFrom;
3764 lineFrom = m_currentRow;
3765 }
3766
3767 SelectRows(lineFrom, lineTo, true);
3768 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3769 }
3770 else // !ctrl, !shift
3771 {
3772 // test in the enclosing if should make it impossible
3773 wxFAIL_MSG( _T("how did we get here?") );
3774 }
3775 }
3776
3777 if (m_currentRow != oldCurrentRow)
3778 RefreshRow( oldCurrentRow );
3779
3780 wxDataViewColumn *oldCurrentCol = m_currentCol;
3781
3782 // Update selection here...
3783 m_currentCol = col;
3784
3785 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3786 (current == oldCurrentRow)) && oldWasSelected;
3787 }
3788 }
3789
3790 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3791 {
3792 m_hasFocus = true;
3793
3794 if (HasCurrentRow())
3795 Refresh();
3796
3797 event.Skip();
3798 }
3799
3800 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3801 {
3802 m_hasFocus = false;
3803
3804 if (HasCurrentRow())
3805 Refresh();
3806
3807 event.Skip();
3808 }
3809
3810 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3811 {
3812 if( m_selection.GetCount() != 1 )
3813 return wxDataViewItem();
3814
3815 return GetItemByRow( m_selection.Item(0));
3816 }
3817
3818 //-----------------------------------------------------------------------------
3819 // wxDataViewCtrl
3820 //-----------------------------------------------------------------------------
3821 WX_DEFINE_LIST(wxDataViewColumnList)
3822
3823 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3824
3825 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3826 EVT_SIZE(wxDataViewCtrl::OnSize)
3827 END_EVENT_TABLE()
3828
3829 wxDataViewCtrl::~wxDataViewCtrl()
3830 {
3831 if (m_notifier)
3832 GetModel()->RemoveNotifier( m_notifier );
3833 }
3834
3835 void wxDataViewCtrl::Init()
3836 {
3837 m_notifier = NULL;
3838 }
3839
3840 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3841 const wxPoint& pos, const wxSize& size,
3842 long style, const wxValidator& validator )
3843 {
3844 if (!wxControl::Create( parent, id, pos, size,
3845 style | wxScrolledWindowStyle|wxBORDER_SUNKEN, validator))
3846 return false;
3847
3848 SetInitialSize(size);
3849
3850 Init();
3851
3852 #ifdef __WXMAC__
3853 MacSetClipChildren( true ) ;
3854 #endif
3855
3856 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3857
3858 if (HasFlag(wxDV_NO_HEADER))
3859 m_headerArea = NULL;
3860 else
3861 m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3862
3863 SetTargetWindow( m_clientArea );
3864
3865 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3866 if (m_headerArea)
3867 sizer->Add( m_headerArea, 0, wxGROW );
3868 sizer->Add( m_clientArea, 1, wxGROW );
3869 SetSizer( sizer );
3870
3871 return true;
3872 }
3873
3874 #ifdef __WXMSW__
3875 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3876 WXWPARAM wParam,
3877 WXLPARAM lParam)
3878 {
3879 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3880
3881 #ifndef __WXWINCE__
3882 // we need to process arrows ourselves for scrolling
3883 if ( nMsg == WM_GETDLGCODE )
3884 {
3885 rc |= DLGC_WANTARROWS;
3886 }
3887 #endif
3888
3889 return rc;
3890 }
3891 #endif
3892
3893 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3894 {
3895 // We need to override OnSize so that our scrolled
3896 // window a) does call Layout() to use sizers for
3897 // positioning the controls but b) does not query
3898 // the sizer for their size and use that for setting
3899 // the scrollable area as set that ourselves by
3900 // calling SetScrollbar() further down.
3901
3902 Layout();
3903
3904 AdjustScrollbars();
3905 }
3906
3907 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3908 {
3909 if (!wxDataViewCtrlBase::AssociateModel( model ))
3910 return false;
3911
3912 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3913
3914 model->AddNotifier( m_notifier );
3915
3916 m_clientArea->DestroyTree();
3917
3918 m_clientArea->BuildTree(model);
3919
3920 m_clientArea->UpdateDisplay();
3921
3922 return true;
3923 }
3924
3925 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3926 {
3927 if (!wxDataViewCtrlBase::AppendColumn(col))
3928 return false;
3929
3930 m_cols.Append( col );
3931 OnColumnChange();
3932 return true;
3933 }
3934
3935 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3936 {
3937 if (!wxDataViewCtrlBase::PrependColumn(col))
3938 return false;
3939
3940 m_cols.Insert( col );
3941 OnColumnChange();
3942 return true;
3943 }
3944
3945 void wxDataViewCtrl::OnColumnChange()
3946 {
3947 if (m_headerArea)
3948 m_headerArea->UpdateDisplay();
3949
3950 m_clientArea->UpdateDisplay();
3951 }
3952
3953 void wxDataViewCtrl::DoSetExpanderColumn()
3954 {
3955 m_clientArea->UpdateDisplay();
3956 }
3957
3958 void wxDataViewCtrl::DoSetIndent()
3959 {
3960 m_clientArea->UpdateDisplay();
3961 }
3962
3963 unsigned int wxDataViewCtrl::GetColumnCount() const
3964 {
3965 return m_cols.GetCount();
3966 }
3967
3968 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
3969 {
3970 wxDataViewColumnList::const_iterator iter;
3971 unsigned int i = 0;
3972 for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3973 {
3974 if (i == pos)
3975 return *iter;
3976
3977 if ((*iter)->IsHidden())
3978 continue;
3979 i ++;
3980 }
3981 return NULL;
3982 }
3983
3984 void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos )
3985 {
3986 if (new_pos > m_cols.GetCount()) return;
3987 m_cols.DeleteObject( col );
3988 m_cols.Insert( new_pos, col );
3989
3990 m_clientArea->UpdateDisplay();
3991 }
3992
3993 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3994 {
3995 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3996 if (!ret)
3997 return false;
3998
3999 m_cols.Erase(ret);
4000 delete column;
4001 OnColumnChange();
4002
4003 return true;
4004 }
4005
4006 bool wxDataViewCtrl::ClearColumns()
4007 {
4008 m_cols.clear();
4009 OnColumnChange();
4010 return true;
4011 }
4012
4013 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4014 {
4015 int ret = 0, dead = 0;
4016 int len = GetColumnCount();
4017 for (int i=0; i<len; i++)
4018 {
4019 wxDataViewColumn * col = GetColumn(i);
4020 if (col->IsHidden())
4021 continue;
4022 ret += col->GetWidth();
4023 if (column==col)
4024 {
4025 CalcScrolledPosition( ret, dead, &ret, &dead );
4026 break;
4027 }
4028 }
4029 return ret;
4030 }
4031
4032 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4033 {
4034 return NULL;
4035 }
4036
4037 //Selection code with wxDataViewItem as parameters
4038 wxDataViewItem wxDataViewCtrl::GetSelection() const
4039 {
4040 return m_clientArea->GetSelection();
4041 }
4042
4043 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4044 {
4045 sel.Empty();
4046 wxDataViewSelection selection = m_clientArea->GetSelections();
4047 int len = selection.GetCount();
4048 for( int i = 0; i < len; i ++)
4049 {
4050 unsigned int row = selection[i];
4051 sel.Add( m_clientArea->GetItemByRow( row ) );
4052 }
4053 return len;
4054 }
4055
4056 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4057 {
4058 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4059 int len = sel.GetCount();
4060 for( int i = 0; i < len; i ++ )
4061 {
4062 int row = m_clientArea->GetRowByItem( sel[i] );
4063 if( row >= 0 )
4064 selection.Add( static_cast<unsigned int>(row) );
4065 }
4066 m_clientArea->SetSelections( selection );
4067 }
4068
4069 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4070 {
4071 int row = m_clientArea->GetRowByItem( item );
4072 if( row >= 0 )
4073 {
4074 //Unselect all rows before select another in the single select mode
4075 if (m_clientArea->IsSingleSel())
4076 m_clientArea->SelectAllRows(false);
4077 m_clientArea->SelectRow(row, true);
4078 }
4079 }
4080
4081 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4082 {
4083 int row = m_clientArea->GetRowByItem( item );
4084 if( row >= 0 )
4085 m_clientArea->SelectRow(row, false);
4086 }
4087
4088 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4089 {
4090 int row = m_clientArea->GetRowByItem( item );
4091 if( row >= 0 )
4092 {
4093 return m_clientArea->IsRowSelected(row);
4094 }
4095 return false;
4096 }
4097
4098 //Selection code with row number as parameter
4099 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4100 {
4101 sel.Empty();
4102 wxDataViewSelection selection = m_clientArea->GetSelections();
4103 int len = selection.GetCount();
4104 for( int i = 0; i < len; i ++)
4105 {
4106 unsigned int row = selection[i];
4107 sel.Add( row );
4108 }
4109 return len;
4110 }
4111
4112 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4113 {
4114 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4115 int len = sel.GetCount();
4116 for( int i = 0; i < len; i ++ )
4117 {
4118 int row = sel[i];
4119 if( row >= 0 )
4120 selection.Add( static_cast<unsigned int>(row) );
4121 }
4122 m_clientArea->SetSelections( selection );
4123 }
4124
4125 void wxDataViewCtrl::Select( int row )
4126 {
4127 if( row >= 0 )
4128 {
4129 if (m_clientArea->IsSingleSel())
4130 m_clientArea->SelectAllRows(false);
4131 m_clientArea->SelectRow( row, true );
4132 }
4133 }
4134
4135 void wxDataViewCtrl::Unselect( int row )
4136 {
4137 if( row >= 0 )
4138 m_clientArea->SelectRow(row, false);
4139 }
4140
4141 bool wxDataViewCtrl::IsSelected( int row ) const
4142 {
4143 if( row >= 0 )
4144 return m_clientArea->IsRowSelected(row);
4145 return false;
4146 }
4147
4148 void wxDataViewCtrl::SelectRange( int from, int to )
4149 {
4150 wxArrayInt sel;
4151 for( int i = from; i < to; i ++ )
4152 sel.Add( i );
4153 m_clientArea->Select(sel);
4154 }
4155
4156 void wxDataViewCtrl::UnselectRange( int from, int to )
4157 {
4158 wxDataViewSelection sel = m_clientArea->GetSelections();
4159 for( int i = from; i < to; i ++ )
4160 if( sel.Index( i ) != wxNOT_FOUND )
4161 sel.Remove( i );
4162 m_clientArea->SetSelections(sel);
4163 }
4164
4165 void wxDataViewCtrl::SelectAll()
4166 {
4167 m_clientArea->SelectAllRows(true);
4168 }
4169
4170 void wxDataViewCtrl::UnselectAll()
4171 {
4172 m_clientArea->SelectAllRows(false);
4173 }
4174
4175 void wxDataViewCtrl::EnsureVisible( int row, int column )
4176 {
4177 if( row < 0 )
4178 row = 0;
4179 if( row > (int) m_clientArea->GetRowCount() )
4180 row = m_clientArea->GetRowCount();
4181
4182 int first = m_clientArea->GetFirstVisibleRow();
4183 int last = m_clientArea->GetLastVisibleRow();
4184 if( row < first )
4185 m_clientArea->ScrollTo( row, column );
4186 else if( row > last )
4187 m_clientArea->ScrollTo( row - last + first, column );
4188 else
4189 m_clientArea->ScrollTo( first, column );
4190 }
4191
4192 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4193 {
4194 int row = m_clientArea->GetRowByItem(item);
4195 if( row >= 0 )
4196 {
4197 if( column == NULL )
4198 EnsureVisible(row, -1);
4199 else
4200 {
4201 int col = 0;
4202 int len = GetColumnCount();
4203 for( int i = 0; i < len; i ++ )
4204 if( GetColumn(i) == column )
4205 {
4206 col = i;
4207 break;
4208 }
4209 EnsureVisible( row, col );
4210 }
4211 }
4212
4213 }
4214
4215 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4216 {
4217 m_clientArea->HitTest(point, item, column);
4218 }
4219
4220 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4221 {
4222 return m_clientArea->GetItemRect(item, column);
4223 }
4224
4225 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4226 {
4227 return m_clientArea->GetItemByRow( row );
4228 }
4229
4230 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4231 {
4232 return m_clientArea->GetRowByItem( item );
4233 }
4234
4235 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4236 {
4237 int row = m_clientArea->GetRowByItem( item );
4238 if (row != -1)
4239 m_clientArea->Expand(row);
4240 }
4241
4242 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4243 {
4244 int row = m_clientArea->GetRowByItem( item );
4245 if (row != -1)
4246 m_clientArea->Collapse(row);
4247 }
4248
4249 #endif
4250 // !wxUSE_GENERICDATAVIEWCTRL
4251
4252 #endif
4253 // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)