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, Otto Wyss
   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
  46 //-----------------------------------------------------------------------------
  47 // classes
  48 //-----------------------------------------------------------------------------
  49
  50 class wxDataViewCtrl;
  51
  52 static const int SCROLL_UNIT_X = 15;
  53
  54 // the cell padding on the left/right
  55 static const int PADDING_RIGHTLEFT = 3;
  56
  57 // the cell padding on the top/bottom
  58 static const int PADDING_TOPBOTTOM = 1;
  59
  60 // the expander space margin
  61 static const int EXPANDER_MARGIN = 4;
  62
  63 //-----------------------------------------------------------------------------
  64 // wxDataViewHeaderWindow
  65 //-----------------------------------------------------------------------------
  66
  67 #define USE_NATIVE_HEADER_WINDOW    1
  68
  69 // NB: for some reason, this class must be dllexport'ed or we get warnings from
  70 //     MSVC in DLL build
  71 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
  72 {
  73 public:
  74     wxDataViewHeaderWindowBase()
  75         { m_owner = NULL; }
  76
  77     bool Create(wxDataViewCtrl *parent, wxWindowID id,
  78                 const wxPoint &pos, const wxSize &size,
  79                 const wxString &name)
  80     {
  81         return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
  82     }
  83
  84     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
  85     wxDataViewCtrl *GetOwner() { return m_owner; }
  86
  87     // called on column addition/removal
  88     virtual void UpdateDisplay() { /* by default, do nothing */ }
  89
  90     // returns the n-th column
  91     virtual wxDataViewColumn *GetColumn(unsigned int n)
  92     {
  93         wxASSERT(m_owner);
  94         wxDataViewColumn *ret = m_owner->GetColumn(n);
  95         wxASSERT(ret);
  96
  97         return ret;
  98     }
  99
 100 protected:
 101     wxDataViewCtrl      *m_owner;
 102
 103     // sends an event generated from the n-th wxDataViewColumn
 104     void SendEvent(wxEventType type, unsigned int n);
 105 };
 106
 107 // on wxMSW the header window (only that part however) can be made native!
 108 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
 109
 110 #define COLUMN_WIDTH_OFFSET         2
 111 #define wxDataViewHeaderWindowMSW   wxDataViewHeaderWindow
 112
 113 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
 114 {
 115 public:
 116
 117     wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
 118                                wxWindowID id,
 119                                const wxPoint &pos = wxDefaultPosition,
 120                                const wxSize &size = wxDefaultSize,
 121                                const wxString &name = wxT("wxdataviewctrlheaderwindow") )
 122     {
 123         Create(parent, id, pos, size, name);
 124     }
 125
 126     bool Create(wxDataViewCtrl *parent, wxWindowID id,
 127                 const wxPoint &pos, const wxSize &size,
 128                 const wxString &name);
 129
 130     ~wxDataViewHeaderWindowMSW();
 131
 132     // called when any column setting is changed and/or changed
 133     // the column count
 134     virtual void UpdateDisplay();
 135
 136     // called when the main window gets scrolled
 137     virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
 138
 139 protected:
 140     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 141     virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
 142
 143     unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
 144
 145     wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
 146         { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
 147
 148 private:
 149     DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
 150 };
 151
 152 #else       // !defined(__WXMSW__)
 153
 154 #define HEADER_WINDOW_HEIGHT            25
 155 #define HEADER_HORIZ_BORDER             5
 156 #define HEADER_VERT_BORDER              3
 157 #define wxGenericDataViewHeaderWindow   wxDataViewHeaderWindow
 158
 159 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
 160 {
 161 public:
 162     wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
 163                                     wxWindowID id,
 164                                     const wxPoint &pos = wxDefaultPosition,
 165                                     const wxSize &size = wxDefaultSize,
 166                                     const wxString &name = wxT("wxdataviewctrlheaderwindow") )
 167     {
 168         Init();
 169         Create(parent, id, pos, size, name);
 170     }
 171
 172     bool Create(wxDataViewCtrl *parent, wxWindowID id,
 173                 const wxPoint &pos, const wxSize &size,
 174                 const wxString &name);
 175
 176     ~wxGenericDataViewHeaderWindow()
 177     {
 178         delete m_resizeCursor;
 179     }
 180
 181     virtual void UpdateDisplay() { Refresh(); }
 182
 183     // event handlers:
 184
 185     void OnPaint( wxPaintEvent &event );
 186     void OnMouse( wxMouseEvent &event );
 187     void OnSetFocus( wxFocusEvent &event );
 188
 189
 190 protected:
 191
 192     // vars used for column resizing:
 193
 194     wxCursor            *m_resizeCursor;
 195     const wxCursor      *m_currentCursor;
 196     bool                 m_isDragging;
 197
 198     bool                 m_dirty;     // needs refresh?
 199     int                  m_column;    // index of the column being resized
 200     int                  m_currentX;  // divider line position in logical (unscrolled) coords
 201     int                  m_minX;      // minimal position beyond which the divider line
 202                                       // can't be dragged in logical coords
 203
 204     // the pen used to draw the current column width drag line
 205     // when resizing the columsn
 206     wxPen m_penCurrent;
 207
 208
 209     // internal utilities:
 210
 211     void Init()
 212     {
 213         m_currentCursor = (wxCursor *) NULL;
 214         m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
 215
 216         m_isDragging = false;
 217         m_dirty = false;
 218
 219         m_column = wxNOT_FOUND;
 220         m_currentX = 0;
 221         m_minX = 0;
 222
 223         wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 224         m_penCurrent = wxPen(col, 1, wxSOLID);
 225     }
 226
 227     void DrawCurrent();
 228     void AdjustDC(wxDC& dc);
 229
 230 private:
 231     DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
 232     DECLARE_EVENT_TABLE()
 233 };
 234
 235 #endif      // defined(__WXMSW__)
 236
 237 //-----------------------------------------------------------------------------
 238 // wxDataViewRenameTimer
 239 //-----------------------------------------------------------------------------
 240
 241 class wxDataViewRenameTimer: public wxTimer
 242 {
 243 private:
 244     wxDataViewMainWindow *m_owner;
 245
 246 public:
 247     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 248     void Notify();
 249 };
 250
 251 //-----------------------------------------------------------------------------
 252 // wxDataViewTreeNode
 253 //-----------------------------------------------------------------------------
 254 class wxDataViewTreeNode;
 255 WX_DEFINE_ARRAY_PTR( wxDataViewTreeNode *, wxDataViewTreeNodes );
 256
 257 class wxDataViewTreeNode
 258 {
 259 public:
 260     wxDataViewTreeNode( wxDataViewTreeNode * parent )
 261         { this->parent = parent;
 262           if( parent == NULL )
 263               open = true;
 264            else
 265                 open = false;
 266           hasChildren = false;
 267         }
 268     //I don't know what I need to do in the destructure
 269     ~wxDataViewTreeNode()
 270         { }
 271
 272     wxDataViewTreeNode * GetParent() { return parent; }
 273     void SetParent( wxDataViewTreeNode * parent ) { this->parent = parent; }
 274     wxDataViewTreeNodes &  GetChildren() { return children; }
 275     void SetChildren( wxDataViewTreeNodes  children ) { this->children = children; }
 276
 277     wxDataViewTreeNode * GetChild( unsigned int n ) { return children.Item( n ); }
 278     void InsertChild( wxDataViewTreeNode * child, unsigned int n) { children.Insert( child, n); }
 279     void AppendChild( wxDataViewTreeNode * child ) { children.Add( child ); }
 280
 281     wxDataViewItem & GetItem() { return item; }
 282     void SetItem( wxDataViewItem & item ) { this->item = item; }
 283
 284     unsigned int GetChildrenNumber() { return children.GetCount(); }
 285     int GetIndentLevel()
 286     {
 287         int ret = 0 ;
 288          wxDataViewTreeNode * node = this;
 289          while( node->GetParent()->GetParent() != NULL )
 290          {
 291              node = node->GetParent();
 292              ret ++;
 293          }
 294          return ret;
 295     }
 296
 297     bool IsOpen() { return open; }
 298     void ToggleOpen(){ open = !open; }
 299     bool HasChildren() { return hasChildren; }
 300     void SetHasChildren( bool has ){ hasChildren = has; }
 301 private:
 302     wxDataViewTreeNode * parent;
 303     wxDataViewTreeNodes  children;
 304     wxDataViewItem  item;
 305     bool open;
 306     bool hasChildren;
 307 };
 308
 309 //-----------------------------------------------------------------------------
 310 // wxDataViewMainWindow
 311 //-----------------------------------------------------------------------------
 312
 313 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 314                                             WXDLLIMPEXP_ADV);
 315
 316 class wxDataViewMainWindow: public wxWindow
 317 {
 318 public:
 319     wxDataViewMainWindow( wxDataViewCtrl *parent,
 320                             wxWindowID id,
 321                             const wxPoint &pos = wxDefaultPosition,
 322                             const wxSize &size = wxDefaultSize,
 323                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 324     virtual ~wxDataViewMainWindow();
 325
 326     // notifications from wxDataViewModel
 327     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 328     bool ItemDeleted( const wxDataViewItem &item );
 329     bool ItemChanged( const wxDataViewItem &item );
 330     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 331     bool Cleared();
 332
 333     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 334     wxDataViewCtrl *GetOwner() { return m_owner; }
 335     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 336
 337     void OnPaint( wxPaintEvent &event );
 338     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 339     void OnChar( wxKeyEvent &event );
 340     void OnMouse( wxMouseEvent &event );
 341     void OnSetFocus( wxFocusEvent &event );
 342     void OnKillFocus( wxFocusEvent &event );
 343
 344     void UpdateDisplay();
 345     void RecalculateDisplay();
 346     void OnInternalIdle();
 347
 348     void OnRenameTimer();
 349
 350     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 351
 352     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 353     void ChangeCurrentRow( unsigned int row );
 354
 355     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 356     bool IsEmpty() { return GetRowCount() == 0; }
 357
 358     int GetCountPerPage() const;
 359     int GetEndOfLastCol() const;
 360     unsigned int GetFirstVisibleRow() const;
 361     //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
 362     unsigned int GetLastVisibleRow();
 363     unsigned int GetRowCount() ;
 364
 365     wxDataViewItem GetSelection();
 366
 367     void Select( const wxArrayInt& aSelections );
 368     void SelectAllRows( bool on );
 369     void SelectRow( unsigned int row, bool on );
 370     void SelectRows( unsigned int from, unsigned int to, bool on );
 371     void ReverseRowSelection( unsigned int row );
 372     bool IsRowSelected( unsigned int row );
 373
 374     void RefreshRow( unsigned int row );
 375     void RefreshRows( unsigned int from, unsigned int to );
 376     void RefreshRowsAfter( unsigned int firstRow );
 377
 378     // returns the colour to be used for drawing the rules
 379     wxColour GetRuleColour() const
 380     {
 381         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 382     }
 383
 384     //void EnsureVisible( unsigned int row );
 385     wxRect GetLineRect( unsigned int row ) const;
 386
 387     //Some useful functions for row and item mapping
 388     wxDataViewItem GetItemByRow( unsigned int row );
 389     unsigned int GetRowByItem( const wxDataViewItem & item );
 390
 391     //Methods for building the mapping tree
 392     void BuildTree( wxDataViewModel  * model );
 393     void DestroyTree();
 394 private:
 395     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
 396     //We did not need this temporarily
 397     //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 398
 399     int RecalculateCount() ;
 400
 401     void OnExpanding( unsigned int row );
 402     void OnCollapsing( unsigned int row );
 403
 404 private:
 405     wxDataViewCtrl             *m_owner;
 406     int                         m_lineHeight;
 407     bool                        m_dirty;
 408
 409     wxDataViewColumn           *m_currentCol;
 410     unsigned int                m_currentRow;
 411     wxDataViewSelection         m_selection;
 412
 413     wxDataViewRenameTimer      *m_renameTimer;
 414     bool                        m_lastOnSame;
 415
 416     bool                        m_hasFocus;
 417
 418     int                         m_dragCount;
 419     wxPoint                     m_dragStart;
 420
 421     // for double click logic
 422     unsigned int m_lineLastClicked,
 423            m_lineBeforeLastClicked,
 424            m_lineSelectSingleOnUp;
 425
 426     // the pen used to draw horiz/vertical rules
 427     wxPen m_penRule;
 428
 429     // the pen used to draw the expander and the lines
 430     wxPen m_penExpander;
 431
 432     //This is the tree structure of the model
 433     wxDataViewTreeNode * m_root;
 434     int m_count;
 435 private:
 436     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 437     DECLARE_EVENT_TABLE()
 438 };
 439
 440 // ---------------------------------------------------------
 441 // wxGenericDataViewModelNotifier
 442 // ---------------------------------------------------------
 443
 444 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 445 {
 446 public:
 447     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 448         { m_mainWindow = mainWindow; }
 449
 450     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 451         { return m_mainWindow->ItemAdded( parent , item ); }
 452     virtual bool ItemDeleted( const wxDataViewItem & item )
 453         { return m_mainWindow->ItemDeleted( item ); }
 454     virtual bool ItemChanged( const wxDataViewItem & item )
 455         { return m_mainWindow->ItemChanged(item);  }
 456     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 457         { return m_mainWindow->ValueChanged( item, col ); }
 458     virtual bool Cleared()
 459         { return m_mainWindow->Cleared(); }
 460
 461     wxDataViewMainWindow    *m_mainWindow;
 462 };
 463
 464 // ---------------------------------------------------------
 465 // wxDataViewRenderer
 466 // ---------------------------------------------------------
 467
 468 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 469
 470 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 471                                         wxDataViewCellMode mode,
 472                                         int align) :
 473     wxDataViewRendererBase( varianttype, mode, align )
 474 {
 475     m_dc = NULL;
 476     m_align = align;
 477     m_mode = mode;
 478 }
 479
 480 wxDataViewRenderer::~wxDataViewRenderer()
 481 {
 482     if (m_dc)
 483         delete m_dc;
 484 }
 485
 486 wxDC *wxDataViewRenderer::GetDC()
 487 {
 488     if (m_dc == NULL)
 489     {
 490         if (GetOwner() == NULL)
 491             return NULL;
 492         if (GetOwner()->GetOwner() == NULL)
 493             return NULL;
 494         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 495     }
 496
 497     return m_dc;
 498 }
 499
 500 // ---------------------------------------------------------
 501 // wxDataViewCustomRenderer
 502 // ---------------------------------------------------------
 503
 504 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 505
 506 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 507                           wxDataViewCellMode mode, int align ) :
 508     wxDataViewRenderer( varianttype, mode, align )
 509 {
 510 }
 511
 512 // ---------------------------------------------------------
 513 // wxDataViewTextRenderer
 514 // ---------------------------------------------------------
 515
 516 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 517
 518 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 519                                                 wxDataViewCellMode mode, int align ) :
 520     wxDataViewCustomRenderer( varianttype, mode, align )
 521 {
 522 }
 523
 524 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 525 {
 526     m_text = value.GetString();
 527
 528     return true;
 529 }
 530
 531 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 532 {
 533     return false;
 534 }
 535
 536 bool wxDataViewTextRenderer::HasEditorCtrl()
 537 {
 538     return true;
 539 }
 540
 541 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 542         wxRect labelRect, const wxVariant &value )
 543 {
 544     return new wxTextCtrl( parent, wxID_ANY, value,
 545                            wxPoint(labelRect.x,labelRect.y),
 546                            wxSize(labelRect.width,labelRect.height) );
 547 }
 548
 549 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 550 {
 551     wxTextCtrl *text = (wxTextCtrl*) editor;
 552     value = text->GetValue();
 553     return true;
 554 }
 555
 556 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
 557 {
 558     wxDataViewCtrl *view = GetOwner()->GetOwner();
 559     wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
 560                         wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
 561                         view->GetForegroundColour();
 562
 563     dc->SetTextForeground(col);
 564     dc->DrawText( m_text, cell.x, cell.y );
 565
 566     return true;
 567 }
 568
 569 wxSize wxDataViewTextRenderer::GetSize() const
 570 {
 571     const wxDataViewCtrl *view = GetView();
 572     if (!m_text.empty())
 573     {
 574         int x,y;
 575         view->GetTextExtent( m_text, &x, &y );
 576         return wxSize( x, y );
 577     }
 578     return wxSize(80,20);
 579 }
 580
 581 // ---------------------------------------------------------
 582 // wxDataViewBitmapRenderer
 583 // ---------------------------------------------------------
 584
 585 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 586
 587 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 588                                                     wxDataViewCellMode mode, int align ) :
 589     wxDataViewCustomRenderer( varianttype, mode, align )
 590 {
 591 }
 592
 593 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 594 {
 595     if (value.GetType() == wxT("wxBitmap"))
 596         m_bitmap << value;
 597     if (value.GetType() == wxT("wxIcon"))
 598         m_icon << value;
 599
 600     return true;
 601 }
 602
 603 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 604 {
 605     return false;
 606 }
 607
 608 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 609 {
 610     if (m_bitmap.Ok())
 611         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 612     else if (m_icon.Ok())
 613         dc->DrawIcon( m_icon, cell.x, cell.y );
 614
 615     return true;
 616 }
 617
 618 wxSize wxDataViewBitmapRenderer::GetSize() const
 619 {
 620     if (m_bitmap.Ok())
 621         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 622     else if (m_icon.Ok())
 623         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 624
 625     return wxSize(16,16);
 626 }
 627
 628 // ---------------------------------------------------------
 629 // wxDataViewToggleRenderer
 630 // ---------------------------------------------------------
 631
 632 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 633
 634 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 635                         wxDataViewCellMode mode, int align ) :
 636     wxDataViewCustomRenderer( varianttype, mode, align )
 637 {
 638     m_toggle = false;
 639 }
 640
 641 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 642 {
 643     m_toggle = value.GetBool();
 644
 645     return true;
 646 }
 647
 648 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 649 {
 650     return false;
 651 }
 652
 653 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 654 {
 655     // User wxRenderer here
 656
 657     wxRect rect;
 658     rect.x = cell.x + cell.width/2 - 10;
 659     rect.width = 20;
 660     rect.y = cell.y + cell.height/2 - 10;
 661     rect.height = 20;
 662
 663     int flags = 0;
 664     if (m_toggle)
 665         flags |= wxCONTROL_CHECKED;
 666     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 667         flags |= wxCONTROL_DISABLED;
 668
 669     wxRendererNative::Get().DrawCheckBox(
 670             GetOwner()->GetOwner(),
 671             *dc,
 672             rect,
 673             flags );
 674
 675     return true;
 676 }
 677
 678 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 679                                          wxDataViewModel *model,
 680                                          const wxDataViewItem & item, unsigned int col)
 681 {
 682     bool value = !m_toggle;
 683     wxVariant variant = value;
 684     model->SetValue( variant, item, col);
 685     model->ValueChanged( item, col );
 686     return true;
 687 }
 688
 689 wxSize wxDataViewToggleRenderer::GetSize() const
 690 {
 691     return wxSize(20,20);
 692 }
 693
 694 // ---------------------------------------------------------
 695 // wxDataViewProgressRenderer
 696 // ---------------------------------------------------------
 697
 698 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 699
 700 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 701     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 702     wxDataViewCustomRenderer( varianttype, mode, align )
 703 {
 704     m_label = label;
 705     m_value = 0;
 706 }
 707
 708 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 709 {
 710 }
 711
 712 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 713 {
 714     m_value = (long) value;
 715
 716     if (m_value < 0) m_value = 0;
 717     if (m_value > 100) m_value = 100;
 718
 719     return true;
 720 }
 721
 722 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 723 {
 724     value = (long) m_value;
 725     return true;
 726 }
 727
 728 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 729 {
 730     double pct = (double)m_value / 100.0;
 731     wxRect bar = cell;
 732     bar.width = (int)(cell.width * pct);
 733     dc->SetPen( *wxTRANSPARENT_PEN );
 734     dc->SetBrush( *wxBLUE_BRUSH );
 735     dc->DrawRectangle( bar );
 736
 737     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 738     dc->SetPen( *wxBLACK_PEN );
 739     dc->DrawRectangle( cell );
 740
 741     return true;
 742 }
 743
 744 wxSize wxDataViewProgressRenderer::GetSize() const
 745 {
 746     return wxSize(40,12);
 747 }
 748
 749 // ---------------------------------------------------------
 750 // wxDataViewDateRenderer
 751 // ---------------------------------------------------------
 752
 753 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 754
 755 #if wxUSE_DATE_RENDERER_POPUP
 756
 757 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 758 {
 759 public:
 760     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 761         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 762         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 763         m_item( item )
 764     {
 765         m_model = model;
 766         m_col = col;
 767         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 768         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 769         sizer->Add( m_cal, 1, wxGROW );
 770         SetSizer( sizer );
 771         sizer->Fit( this );
 772     }
 773
 774     void OnCalendar( wxCalendarEvent &event );
 775
 776     wxCalendarCtrl      *m_cal;
 777     wxDataViewModel *m_model;
 778     unsigned int               m_col;
 779     const wxDataViewItem &   m_item;
 780
 781 protected:
 782     virtual void OnDismiss()
 783     {
 784     }
 785
 786 private:
 787     DECLARE_EVENT_TABLE()
 788 };
 789
 790 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
 791     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
 792 END_EVENT_TABLE()
 793
 794 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 795 {
 796     wxDateTime date = event.GetDate();
 797     wxVariant value = date;
 798     m_model->SetValue( value, m_item, m_col );
 799     m_model->ValueChanged( m_item, m_col );
 800     DismissAndNotify();
 801 }
 802
 803 #endif // wxUSE_DATE_RENDERER_POPUP
 804
 805 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
 806
 807 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
 808                         wxDataViewCellMode mode, int align ) :
 809     wxDataViewCustomRenderer( varianttype, mode, align )
 810 {
 811 }
 812
 813 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
 814 {
 815     m_date = value.GetDateTime();
 816
 817     return true;
 818 }
 819
 820 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
 821 {
 822     value = m_date;
 823     return true;
 824 }
 825
 826 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 827 {
 828     dc->SetFont( GetOwner()->GetOwner()->GetFont() );
 829     wxString tmp = m_date.FormatDate();
 830     dc->DrawText( tmp, cell.x, cell.y );
 831
 832     return true;
 833 }
 834
 835 wxSize wxDataViewDateRenderer::GetSize() const
 836 {
 837     const wxDataViewCtrl* view = GetView();
 838     wxString tmp = m_date.FormatDate();
 839     wxCoord x,y,d;
 840     view->GetTextExtent( tmp, &x, &y, &d );
 841     return wxSize(x,y+d);
 842 }
 843
 844 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
 845                                        const wxDataViewItem & item, unsigned int col )
 846 {
 847     wxVariant variant;
 848     model->GetValue( variant, item, col );
 849     wxDateTime value = variant.GetDateTime();
 850
 851 #if wxUSE_DATE_RENDERER_POPUP
 852     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
 853         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
 854     wxPoint pos = wxGetMousePosition();
 855     popup->Move( pos );
 856     popup->Layout();
 857     popup->Popup( popup->m_cal );
 858 #else // !wxUSE_DATE_RENDERER_POPUP
 859     wxMessageBox(value.Format());
 860 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
 861     return true;
 862 }
 863
 864 // ---------------------------------------------------------
 865 // wxDataViewColumn
 866 // ---------------------------------------------------------
 867
 868 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
 869
 870 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
 871                                     unsigned int model_column,
 872                                     int width, wxAlignment align, int flags ) :
 873     wxDataViewColumnBase( title, cell, model_column, width, align, flags )
 874 {
 875     SetAlignment(align);
 876     SetTitle(title);
 877     SetFlags(flags);
 878
 879     Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
 880 }
 881
 882 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
 883                                     unsigned int model_column,
 884                                     int width, wxAlignment align, int flags ) :
 885     wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
 886 {
 887     SetAlignment(align);
 888     SetFlags(flags);
 889
 890     Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
 891 }
 892
 893 wxDataViewColumn::~wxDataViewColumn()
 894 {
 895 }
 896
 897 void wxDataViewColumn::Init( int width )
 898 {
 899     m_width = width;
 900     m_minWidth = wxDVC_DEFAULT_MINWIDTH;
 901     m_ascending = true;
 902 }
 903
 904 void wxDataViewColumn::SetResizeable( bool resizeable )
 905 {
 906     if (resizeable)
 907         m_flags |= wxDATAVIEW_COL_RESIZABLE;
 908     else
 909         m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
 910 }
 911
 912 void wxDataViewColumn::SetHidden( bool hidden )
 913 {
 914     if (hidden)
 915         m_flags |= wxDATAVIEW_COL_HIDDEN;
 916     else
 917         m_flags &= ~wxDATAVIEW_COL_HIDDEN;
 918
 919     // tell our owner to e.g. update its scrollbars:
 920     if (GetOwner())
 921         GetOwner()->OnColumnChange();
 922 }
 923
 924 void wxDataViewColumn::SetSortable( bool sortable )
 925 {
 926     if (sortable)
 927         m_flags |= wxDATAVIEW_COL_SORTABLE;
 928     else
 929         m_flags &= ~wxDATAVIEW_COL_SORTABLE;
 930
 931     // Update header button
 932     if (GetOwner())
 933         GetOwner()->OnColumnChange();
 934 }
 935
 936 void wxDataViewColumn::SetSortOrder( bool ascending )
 937 {
 938     m_ascending = ascending;
 939
 940     // Update header button
 941     if (GetOwner())
 942         GetOwner()->OnColumnChange();
 943 }
 944
 945 bool wxDataViewColumn::IsSortOrderAscending() const
 946 {
 947     return m_ascending;
 948 }
 949
 950 void wxDataViewColumn::SetInternalWidth( int width )
 951 {
 952     m_width = width;
 953
 954     // the scrollbars of the wxDataViewCtrl needs to be recalculated!
 955     if (m_owner && m_owner->m_clientArea)
 956         m_owner->m_clientArea->RecalculateDisplay();
 957 }
 958
 959 void wxDataViewColumn::SetWidth( int width )
 960 {
 961     m_owner->m_headerArea->UpdateDisplay();
 962
 963     SetInternalWidth(width);
 964 }
 965
 966
 967 //-----------------------------------------------------------------------------
 968 // wxDataViewHeaderWindowBase
 969 //-----------------------------------------------------------------------------
 970
 971 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
 972 {
 973     wxWindow *parent = GetParent();
 974     wxDataViewEvent le(type, parent->GetId());
 975
 976     le.SetEventObject(parent);
 977     le.SetColumn(n);
 978     le.SetDataViewColumn(GetColumn(n));
 979     le.SetModel(GetOwner()->GetModel());
 980
 981     // for events created by wxDataViewHeaderWindow the
 982     // row / value fields are not valid
 983
 984     parent->GetEventHandler()->ProcessEvent(le);
 985 }
 986
 987 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
 988
 989 // implemented in msw/listctrl.cpp:
 990 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
 991
 992 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
 993
 994 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
 995                                         const wxPoint &pos, const wxSize &size,
 996                                         const wxString &name )
 997 {
 998     m_owner = parent;
 999
1000     if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
1001         return false;
1002
1003     int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1004         y = pos.y == wxDefaultCoord ? 0 : pos.y,
1005         w = size.x == wxDefaultCoord ? 1 : size.x,
1006         h = size.y == wxDefaultCoord ? 22 : size.y;
1007
1008     // create the native WC_HEADER window:
1009     WXHWND hwndParent = (HWND)parent->GetHandle();
1010     WXDWORD msStyle = WS_CHILD | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1011     m_hWnd = CreateWindowEx(0,
1012                             WC_HEADER,
1013                             (LPCTSTR) NULL,
1014                             msStyle,
1015                             x, y, w, h,
1016                             (HWND)hwndParent,
1017                             (HMENU)-1,
1018                             wxGetInstance(),
1019                             (LPVOID) NULL);
1020     if (m_hWnd == NULL)
1021     {
1022         wxLogLastError(_T("CreateWindowEx"));
1023         return false;
1024     }
1025
1026     // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1027     // to call wxDataViewHeaderWindow::MSWOnNotify
1028     SubclassWin(m_hWnd);
1029
1030     // the following is required to get the default win's font for
1031     // header windows and must be done befor sending the HDM_LAYOUT msg
1032     SetFont(GetFont());
1033
1034     RECT rcParent;
1035     HDLAYOUT hdl;
1036     WINDOWPOS wp;
1037
1038     // Retrieve the bounding rectangle of the parent window's
1039     // client area, and then request size and position values
1040     // from the header control.
1041     ::GetClientRect((HWND)hwndParent, &rcParent);
1042
1043     hdl.prc = &rcParent;
1044     hdl.pwpos = &wp;
1045     if (!SendMessage((HWND)m_hWnd, HDM_LAYOUT, 0, (LPARAM) &hdl))
1046     {
1047         wxLogLastError(_T("SendMessage"));
1048         return false;
1049     }
1050
1051     // Set the size, position, and visibility of the header control.
1052     SetWindowPos((HWND)m_hWnd,
1053                  wp.hwndInsertAfter,
1054                  wp.x, wp.y,
1055                  wp.cx, wp.cy,
1056                  wp.flags | SWP_SHOWWINDOW);
1057
1058     // set our size hints: wxDataViewCtrl will put this wxWindow inside
1059     // a wxBoxSizer and in order to avoid super-big header windows,
1060     // we need to set our height as fixed
1061     SetMinSize(wxSize(-1, wp.cy));
1062     SetMaxSize(wxSize(-1, wp.cy));
1063
1064     return true;
1065 }
1066
1067 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1068 {
1069     UnsubclassWin();
1070 }
1071
1072 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1073 {
1074     // remove old columns
1075     for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1076         Header_DeleteItem((HWND)m_hWnd, 0);
1077
1078     // add the updated array of columns to the header control
1079     unsigned int cols = GetOwner()->GetColumnCount();
1080     unsigned int added = 0;
1081     for (unsigned int i = 0; i < cols; i++)
1082     {
1083         wxDataViewColumn *col = GetColumn( i );
1084         if (col->IsHidden())
1085             continue;      // don't add it!
1086
1087         HDITEM hdi;
1088         hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1089         hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1090         hdi.cxy = col->GetWidth();
1091         hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1092         hdi.fmt = HDF_LEFT | HDF_STRING;
1093
1094         // lParam is reserved for application's use:
1095         // we store there the column index to use it later in MSWOnNotify
1096         // (since columns may have been hidden)
1097         hdi.lParam = (LPARAM)i;
1098
1099         // the native wxMSW implementation of the header window
1100         // draws the column separator COLUMN_WIDTH_OFFSET pixels
1101         // on the right: to correct this effect we make the column
1102         // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1103         if (i == 0)
1104             hdi.cxy += COLUMN_WIDTH_OFFSET;
1105
1106         switch (col->GetAlignment())
1107         {
1108         case wxALIGN_LEFT:
1109             hdi.fmt |= HDF_LEFT;
1110             break;
1111         case wxALIGN_CENTER:
1112         case wxALIGN_CENTER_HORIZONTAL:
1113             hdi.fmt |= HDF_CENTER;
1114             break;
1115         case wxALIGN_RIGHT:
1116             hdi.fmt |= HDF_RIGHT;
1117             break;
1118
1119         default:
1120             // such alignment is not allowed for the column header!
1121             wxFAIL;
1122         }
1123
1124         SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1125                     (WPARAM)added, (LPARAM)&hdi);
1126         added++;
1127     }
1128 }
1129
1130 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1131 {
1132     unsigned int idx;
1133
1134     // NOTE: we don't just return nmHDR->iItem because when there are
1135     //       hidden columns, nmHDR->iItem may be different from
1136     //       nmHDR->pitem->lParam
1137
1138     if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1139     {
1140         idx = (unsigned int)nmHDR->pitem->lParam;
1141         return idx;
1142     }
1143
1144     HDITEM item;
1145     item.mask = HDI_LPARAM;
1146     Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1147
1148     return (unsigned int)item.lParam;
1149 }
1150
1151 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1152 {
1153     NMHDR *nmhdr = (NMHDR *)lParam;
1154
1155     // is it a message from the header?
1156     if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1157         return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1158
1159     NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1160     switch ( nmhdr->code )
1161     {
1162         case HDN_BEGINTRACK:
1163             // user has started to resize a column:
1164             // do we need to veto it?
1165             if (!GetColumn(nmHDR->iItem)->IsResizeable())
1166             {
1167                 // veto it!
1168                 *result = TRUE;
1169             }
1170             break;
1171
1172         case HDN_BEGINDRAG:
1173             // user has started to reorder a column
1174             break;
1175
1176         case HDN_ITEMCHANGING:
1177             if (nmHDR->pitem != NULL &&
1178                 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1179             {
1180                 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1181                 if (nmHDR->pitem->cxy < minWidth)
1182                 {
1183                     // do not allow the user to resize this column under
1184                     // its minimal width:
1185                     *result = TRUE;
1186                 }
1187             }
1188             break;
1189
1190         case HDN_ITEMCHANGED:   // user is resizing a column
1191         case HDN_ENDTRACK:      // user has finished resizing a column
1192         case HDN_ENDDRAG:       // user has finished reordering a column
1193
1194             // update the width of the modified column:
1195             if (nmHDR->pitem != NULL &&
1196                 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1197             {
1198                 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1199                 unsigned int w = nmHDR->pitem->cxy;
1200                 wxDataViewColumn *col = GetColumn(idx);
1201
1202                 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1203                 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1204                     w -= COLUMN_WIDTH_OFFSET;
1205
1206                 if (w >= (unsigned)col->GetMinWidth())
1207                     col->SetInternalWidth(w);
1208             }
1209             break;
1210
1211         case HDN_ITEMCLICK:
1212             {
1213                 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1214                 wxEventType evt = nmHDR->iButton == 0 ?
1215                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1216                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1217                 SendEvent(evt, idx);
1218             }
1219             break;
1220
1221         case NM_RCLICK:
1222             {
1223                 // NOTE: for some reason (i.e. for a bug in Windows)
1224                 //       the HDN_ITEMCLICK notification is not sent on
1225                 //       right clicks, so we need to handle NM_RCLICK
1226
1227                 POINT ptClick;
1228                 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1229                 if (column != wxNOT_FOUND)
1230                 {
1231                     HDITEM item;
1232                     item.mask = HDI_LPARAM;
1233                     Header_GetItem((HWND)m_hWnd, column, &item);
1234
1235                     // 'idx' may be different from 'column' if there are
1236                     // hidden columns...
1237                     unsigned int idx = (unsigned int)item.lParam;
1238                     SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1239                               idx);
1240                 }
1241             }
1242             break;
1243
1244         case HDN_GETDISPINFOW:
1245             // see wxListCtrl::MSWOnNotify for more info!
1246             break;
1247
1248         case HDN_ITEMDBLCLICK:
1249             {
1250                 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1251                 int w = GetOwner()->GetBestColumnWidth(idx);
1252
1253                 // update the native control:
1254                 HDITEM hd;
1255                 ZeroMemory(&hd, sizeof(hd));
1256                 hd.mask = HDI_WIDTH;
1257                 hd.cxy = w;
1258                 Header_SetItem(GetHwnd(),
1259                                nmHDR->iItem,  // NOTE: we don't want 'idx' here!
1260                                &hd);
1261
1262                 // update the wxDataViewColumn class:
1263                 GetColumn(idx)->SetInternalWidth(w);
1264             }
1265             break;
1266
1267         default:
1268             return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1269     }
1270
1271     return true;
1272 }
1273
1274 void wxDataViewHeaderWindowMSW::ScrollWindow(int WXUNUSED(dx), int WXUNUSED(dy),
1275                                              const wxRect *WXUNUSED(rect))
1276 {
1277     wxSize ourSz = GetClientSize();
1278     wxSize ownerSz = m_owner->GetClientSize();
1279
1280     // where should the (logical) origin of this window be placed?
1281     int x1 = 0, y1 = 0;
1282     m_owner->CalcUnscrolledPosition(0, 0, &x1, &y1);
1283
1284     // put this window on top of our parent and
1285     SetWindowPos((HWND)m_hWnd, HWND_TOP, -x1, 0,
1286                   ownerSz.GetWidth() + x1, ourSz.GetHeight(),
1287                   SWP_SHOWWINDOW);
1288 }
1289
1290 void wxDataViewHeaderWindowMSW::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
1291                                           int WXUNUSED(w), int WXUNUSED(h),
1292                                           int WXUNUSED(f))
1293 {
1294     // the wxDataViewCtrl's internal wxBoxSizer will call this function when
1295     // the wxDataViewCtrl window gets resized: the following dummy call
1296     // to ScrollWindow() is required in order to get this header window
1297     // correctly repainted when it's (horizontally) scrolled:
1298
1299     ScrollWindow(0, 0);
1300 }
1301
1302 #else       // !defined(__WXMSW__)
1303
1304 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1305 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1306     EVT_PAINT         (wxGenericDataViewHeaderWindow::OnPaint)
1307     EVT_MOUSE_EVENTS  (wxGenericDataViewHeaderWindow::OnMouse)
1308     EVT_SET_FOCUS     (wxGenericDataViewHeaderWindow::OnSetFocus)
1309 END_EVENT_TABLE()
1310
1311 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1312                                            const wxPoint &pos, const wxSize &size,
1313                                            const wxString &name )
1314 {
1315     m_owner = parent;
1316
1317     if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1318         return false;
1319
1320     wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1321     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1322     SetOwnForegroundColour( attr.colFg );
1323     SetOwnBackgroundColour( attr.colBg );
1324     if (!m_hasFont)
1325         SetOwnFont( attr.font );
1326
1327     // set our size hints: wxDataViewCtrl will put this wxWindow inside
1328     // a wxBoxSizer and in order to avoid super-big header windows,
1329     // we need to set our height as fixed
1330     SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1331     SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1332
1333     return true;
1334 }
1335
1336 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1337 {
1338     int w, h;
1339     GetClientSize( &w, &h );
1340
1341     wxAutoBufferedPaintDC dc( this );
1342
1343     dc.SetBackground(GetBackgroundColour());
1344     dc.Clear();
1345
1346     int xpix;
1347     m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1348
1349     int x;
1350     m_owner->GetViewStart( &x, NULL );
1351
1352     // account for the horz scrollbar offset
1353     dc.SetDeviceOrigin( -x * xpix, 0 );
1354
1355     dc.SetFont( GetFont() );
1356
1357     unsigned int cols = GetOwner()->GetColumnCount();
1358     unsigned int i;
1359     int xpos = 0;
1360     for (i = 0; i < cols; i++)
1361     {
1362         wxDataViewColumn *col = GetColumn( i );
1363         if (col->IsHidden())
1364             continue;      // skip it!
1365
1366         int cw = col->GetWidth();
1367         int ch = h;
1368
1369         wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1370         if (col->IsSortable())
1371         {
1372             if (col->IsSortOrderAscending())
1373                 sortArrow = wxHDR_SORT_ICON_UP;
1374             else
1375                 sortArrow = wxHDR_SORT_ICON_DOWN;
1376         }
1377
1378         wxRendererNative::Get().DrawHeaderButton
1379                                 (
1380                                     this,
1381                                     dc,
1382                                     wxRect(xpos, 0, cw, ch-1),
1383                                     m_parent->IsEnabled() ? 0
1384                                                           : (int)wxCONTROL_DISABLED,
1385                                     sortArrow
1386                                 );
1387
1388         // align as required the column title:
1389         int x = xpos;
1390         wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1391         switch (col->GetAlignment())
1392         {
1393         case wxALIGN_LEFT:
1394             x += HEADER_HORIZ_BORDER;
1395             break;
1396         case wxALIGN_CENTER:
1397         case wxALIGN_CENTER_HORIZONTAL:
1398             x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1399             break;
1400         case wxALIGN_RIGHT:
1401             x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1402             break;
1403         }
1404
1405         // always center the title vertically:
1406         int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1407
1408         dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1409                               HEADER_VERT_BORDER,
1410                               wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1),  // width
1411                               wxMax(ch - 2 * HEADER_VERT_BORDER, 1));  // height
1412         dc.DrawText( col->GetTitle(), x, y );
1413         dc.DestroyClippingRegion();
1414
1415         xpos += cw;
1416     }
1417 }
1418
1419 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1420 {
1421     GetParent()->SetFocus();
1422     event.Skip();
1423 }
1424
1425 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1426 {
1427     // we want to work with logical coords
1428     int x;
1429     m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1430     int y = event.GetY();
1431
1432     if (m_isDragging)
1433     {
1434         // we don't draw the line beyond our window,
1435         // but we allow dragging it there
1436         int w = 0;
1437         GetClientSize( &w, NULL );
1438         m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1439         w -= 6;
1440
1441         // erase the line if it was drawn
1442         if (m_currentX < w)
1443             DrawCurrent();
1444
1445         if (event.ButtonUp())
1446         {
1447             m_isDragging = false;
1448             if (HasCapture())
1449                 ReleaseMouse();
1450
1451             m_dirty = true;
1452
1453             GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1454
1455             Refresh();
1456             GetOwner()->Refresh();
1457         }
1458         else
1459         {
1460             m_currentX = wxMax(m_minX + 7, x);
1461
1462             // draw in the new location
1463             if (m_currentX < w) DrawCurrent();
1464         }
1465
1466     }
1467     else     // not dragging
1468     {
1469         m_minX = 0;
1470         m_column = wxNOT_FOUND;
1471
1472         bool hit_border = false;
1473
1474         // end of the current column
1475         int xpos = 0;
1476
1477         // find the column where this event occured
1478         int countCol = m_owner->GetColumnCount();
1479         for (int column = 0; column < countCol; column++)
1480         {
1481             wxDataViewColumn *p = GetColumn(column);
1482
1483             if (p->IsHidden())
1484                 continue;   // skip if not shown
1485
1486             xpos += p->GetWidth();
1487             m_column = column;
1488             if ((abs(x-xpos) < 3) && (y < 22))
1489             {
1490                 hit_border = true;
1491                 break;
1492             }
1493
1494             if (x < xpos)
1495             {
1496                 // inside the column
1497                 break;
1498             }
1499
1500             m_minX = xpos;
1501         }
1502
1503         if (m_column == wxNOT_FOUND)
1504             return;
1505
1506         bool resizeable = GetColumn(m_column)->IsResizeable();
1507         if (event.LeftDClick() && resizeable)
1508         {
1509             GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1510             Refresh();
1511         }
1512         else if (event.LeftDown() || event.RightUp())
1513         {
1514             if (hit_border && event.LeftDown() && resizeable)
1515             {
1516                 m_isDragging = true;
1517                 CaptureMouse();
1518                 m_currentX = x;
1519                 DrawCurrent();
1520             }
1521             else    // click on a column
1522             {
1523                 wxEventType evt = event.LeftDown() ?
1524                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1525                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1526                 SendEvent(evt, m_column);
1527             }
1528         }
1529         else if (event.Moving())
1530         {
1531             if (hit_border && resizeable)
1532                 m_currentCursor = m_resizeCursor;
1533             else
1534                 m_currentCursor = wxSTANDARD_CURSOR;
1535
1536             SetCursor(*m_currentCursor);
1537         }
1538     }
1539 }
1540
1541 void wxGenericDataViewHeaderWindow::DrawCurrent()
1542 {
1543     int x1 = m_currentX;
1544     int y1 = 0;
1545     ClientToScreen (&x1, &y1);
1546
1547     int x2 = m_currentX-1;
1548 #ifdef __WXMSW__
1549     ++x2; // but why ????
1550 #endif
1551     int y2 = 0;
1552     m_owner->GetClientSize( NULL, &y2 );
1553     m_owner->ClientToScreen( &x2, &y2 );
1554
1555     wxScreenDC dc;
1556     dc.SetLogicalFunction(wxINVERT);
1557     dc.SetPen(m_penCurrent);
1558     dc.SetBrush(*wxTRANSPARENT_BRUSH);
1559     AdjustDC(dc);
1560     dc.DrawLine(x1, y1, x2, y2);
1561 }
1562
1563 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1564 {
1565     int xpix, x;
1566
1567     m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1568     m_owner->GetViewStart( &x, NULL );
1569
1570     // shift the DC origin to match the position of the main window horizontal
1571     // scrollbar: this allows us to always use logical coords
1572     dc.SetDeviceOrigin( -x * xpix, 0 );
1573 }
1574
1575 #endif      // defined(__WXMSW__)
1576
1577 //-----------------------------------------------------------------------------
1578 // wxDataViewRenameTimer
1579 //-----------------------------------------------------------------------------
1580
1581 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1582 {
1583     m_owner = owner;
1584 }
1585
1586 void wxDataViewRenameTimer::Notify()
1587 {
1588     m_owner->OnRenameTimer();
1589 }
1590
1591 //-----------------------------------------------------------------------------
1592 // wxDataViewMainWindow
1593 //-----------------------------------------------------------------------------
1594
1595 //The tree building helper, declared firstly
1596 void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node);
1597
1598 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1599 {
1600     if (row1 > row2) return 1;
1601     if (row1 == row2) return 0;
1602     return -1;
1603 }
1604
1605
1606 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1607
1608 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1609     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1610     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1611     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1612     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1613     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1614 END_EVENT_TABLE()
1615
1616 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1617     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1618     wxWindow( parent, id, pos, size, wxWANTS_CHARS, name ),
1619     m_selection( wxDataViewSelectionCmp )
1620
1621 {
1622     SetOwner( parent );
1623
1624     m_lastOnSame = false;
1625     m_renameTimer = new wxDataViewRenameTimer( this );
1626
1627     // TODO: user better initial values/nothing selected
1628     m_currentCol = NULL;
1629     m_currentRow = 0;
1630
1631     // TODO: we need to calculate this smartly
1632     m_lineHeight =
1633 #ifdef __WXMSW__
1634         17;
1635 #else
1636         20;
1637 #endif
1638     wxASSERT(m_lineHeight > 2*PADDING_TOPBOTTOM);
1639
1640     m_dragCount = 0;
1641     m_dragStart = wxPoint(0,0);
1642     m_lineLastClicked = (unsigned int) -1;
1643     m_lineBeforeLastClicked = (unsigned int) -1;
1644     m_lineSelectSingleOnUp = (unsigned int) -1;
1645
1646     m_hasFocus = false;
1647
1648     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1649     SetBackgroundColour( *wxWHITE );
1650
1651     m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
1652
1653     //Here I compose a pen can draw black lines, maybe there are something system colour to use
1654     m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
1655     //Some new added code to deal with the tree structure
1656     m_root = new wxDataViewTreeNode( NULL );
1657     m_root->SetHasChildren(true);
1658
1659     //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1660     m_count = -1 ;
1661     UpdateDisplay();
1662 }
1663
1664 wxDataViewMainWindow::~wxDataViewMainWindow()
1665 {
1666     DestroyTree();
1667     delete m_renameTimer;
1668 }
1669
1670 void wxDataViewMainWindow::OnRenameTimer()
1671 {
1672     // We have to call this here because changes may just have
1673     // been made and no screen update taken place.
1674     if ( m_dirty )
1675         wxSafeYield();
1676
1677     int xpos = 0;
1678     unsigned int cols = GetOwner()->GetColumnCount();
1679     unsigned int i;
1680     for (i = 0; i < cols; i++)
1681     {
1682         wxDataViewColumn *c = GetOwner()->GetColumn( i );
1683         if (c->IsHidden())
1684             continue;      // skip it!
1685
1686         if (c == m_currentCol)
1687             break;
1688         xpos += c->GetWidth();
1689     }
1690     wxRect labelRect( xpos, m_currentRow * m_lineHeight,
1691                       m_currentCol->GetWidth(), m_lineHeight );
1692
1693     GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1694                                      &labelRect.x, &labelRect.y);
1695
1696     wxDataViewItem item = GetItemByRow( m_currentRow );
1697     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1698 }
1699
1700 //------------------------------------------------------------------
1701 // Helper class for do operation on the tree node
1702 //------------------------------------------------------------------
1703 class DoJob
1704 {
1705 public:
1706     DoJob(){};
1707     virtual ~DoJob(){};
1708
1709     //The return value control how the tree-walker tranverse the tree
1710     // 0: Job done, stop tranverse and return
1711     // 1: Ignore the current node's subtree and continue
1712     // 2: Job not done, continue
1713     enum  { OK = 0 , IGR = 1, CONT = 2 };
1714     virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
1715 };
1716
1717 class ItemAddJob: public DoJob
1718 {
1719 public:
1720     ItemAddJob( const wxDataViewItem & parent, const wxDataViewItem & item, int * count )
1721         { this->parent = parent ; this->item = item ; m_count = count; }
1722     virtual ~ItemAddJob(){};
1723
1724     virtual int operator() ( wxDataViewTreeNode * node )
1725     {
1726         if( node->GetItem() == parent )
1727         {
1728             node->SetHasChildren( true );
1729             wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1730             newnode->SetItem(item);
1731             node->AppendChild( newnode);
1732             *m_count = -1;
1733             return OK;
1734         }
1735         return CONT;
1736     }
1737
1738 private:
1739     int * m_count;
1740     wxDataViewItem parent, item;
1741 };
1742
1743 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1744 {
1745     if( node==NULL ||  !node->HasChildren())
1746         return false;
1747
1748     wxDataViewTreeNodes nodes = node->GetChildren();
1749     int len = node->GetChildrenNumber();
1750     int i = 0 ;
1751     for( ; i < len ; i ++ )
1752     {
1753         wxDataViewTreeNode * n = nodes[i];
1754         switch( func( n ) )
1755         {
1756             case DoJob::OK :
1757                 return true ;
1758             case DoJob::IGR:
1759                 continue;
1760             case DoJob::CONT:
1761             default:
1762                 ;
1763         }
1764
1765         if( Walker( n , func ) )
1766             return true;
1767     }
1768     return false;
1769 }
1770
1771 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1772 {
1773     ItemAddJob job( parent, item, &m_count);
1774     Walker( m_root , job);
1775     UpdateDisplay();
1776     return true;
1777 }
1778
1779 class ItemDeleteJob: public DoJob
1780 {
1781 public:
1782     ItemDeleteJob( const wxDataViewItem & item, int * count ) { m_item = item; m_count = count; }
1783     virtual ~ItemDeleteJob(){}
1784     virtual int operator() ( wxDataViewTreeNode * node )
1785     {
1786         if( node->GetItem() == m_item )
1787         {
1788             node->GetParent()->GetChildren().Remove( node );
1789             delete node;
1790             *m_count = -1;
1791             return DoJob::OK;
1792         }
1793         return DoJob::CONT;
1794     }
1795
1796 private:
1797     int * m_count;
1798     wxDataViewItem m_item;
1799 };
1800
1801 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem & item)
1802 {
1803     ItemDeleteJob job( item, &m_count);
1804     Walker( m_root, job);
1805     UpdateDisplay();
1806     return true;
1807 }
1808
1809 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
1810 {
1811     unsigned int row = GetRowByItem(item);
1812     RefreshRow( row );
1813     return true;
1814 }
1815
1816 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int WXUNUSED(col) )
1817 {
1818     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
1819 /*#define MAX_VIRTUAL_WIDTH       100000
1820
1821     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
1822     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1823     Refresh( true, &rect );
1824
1825     return true;
1826 */
1827     unsigned int row = GetRowByItem(item);
1828     RefreshRow( row );
1829     return true;
1830 }
1831
1832 bool wxDataViewMainWindow::Cleared()
1833 {
1834     DestroyTree();
1835     UpdateDisplay();
1836     return true;
1837 }
1838
1839 void wxDataViewMainWindow::UpdateDisplay()
1840 {
1841     m_dirty = true;
1842 }
1843
1844 void wxDataViewMainWindow::OnInternalIdle()
1845 {
1846     wxWindow::OnInternalIdle();
1847
1848     if (m_dirty)
1849     {
1850         RecalculateDisplay();
1851         m_dirty = false;
1852     }
1853 }
1854
1855 void wxDataViewMainWindow::RecalculateDisplay()
1856 {
1857     wxDataViewModel *model = GetOwner()->GetModel();
1858     if (!model)
1859     {
1860         Refresh();
1861         return;
1862     }
1863
1864     int width = GetEndOfLastCol();
1865     int height = GetRowCount() * m_lineHeight;
1866
1867     SetVirtualSize( width, height );
1868     GetOwner()->SetScrollRate( 10, m_lineHeight );
1869
1870     Refresh();
1871 }
1872
1873 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
1874 {
1875     wxWindow::ScrollWindow( dx, dy, rect );
1876
1877     if (GetOwner()->m_headerArea)
1878         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
1879 }
1880
1881 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1882 {
1883     wxDataViewModel *model = GetOwner()->GetModel();
1884     wxAutoBufferedPaintDC dc( this );
1885
1886     // prepare the DC
1887     dc.SetBackground(GetBackgroundColour());
1888     dc.Clear();
1889     GetOwner()->PrepareDC( dc );
1890     dc.SetFont( GetFont() );
1891
1892     wxRect update = GetUpdateRegion().GetBox();
1893     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1894
1895     // compute which items needs to be redrawn
1896     unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
1897     unsigned int item_count =
1898         wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
1899                (int)(GetRowCount( )- item_start) );
1900     unsigned int item_last = item_start + item_count;
1901
1902     // compute which columns needs to be redrawn
1903     unsigned int cols = GetOwner()->GetColumnCount();
1904     unsigned int col_start = 0;
1905     unsigned int x_start = 0;
1906     for (x_start = 0; col_start < cols; col_start++)
1907     {
1908         wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
1909         if (col->IsHidden())
1910             continue;      // skip it!
1911
1912         unsigned int w = col->GetWidth();
1913         if (x_start+w >= (unsigned int)update.x)
1914             break;
1915
1916         x_start += w;
1917     }
1918
1919     unsigned int col_last = col_start;
1920     unsigned int x_last = x_start;
1921     for (; col_last < cols; col_last++)
1922     {
1923         wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
1924         if (col->IsHidden())
1925             continue;      // skip it!
1926
1927         if (x_last > (unsigned int)update.GetRight())
1928             break;
1929
1930         x_last += col->GetWidth();
1931     }
1932
1933     // Draw horizontal rules if required
1934     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1935     {
1936         dc.SetPen(m_penRule);
1937         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1938
1939         for (unsigned int i = item_start; i <= item_last+1; i++)
1940         {
1941             int y = i * m_lineHeight;
1942             dc.DrawLine(x_start, y, x_last, y);
1943         }
1944     }
1945
1946     // Draw vertical rules if required
1947     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1948     {
1949         dc.SetPen(m_penRule);
1950         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1951
1952         int x = x_start;
1953         for (unsigned int i = col_start; i < col_last; i++)
1954         {
1955             wxDataViewColumn *col = GetOwner()->GetColumn(i);
1956             if (col->IsHidden())
1957                 continue;       // skip it
1958
1959             dc.DrawLine(x, item_start * m_lineHeight,
1960                         x, item_last * m_lineHeight);
1961
1962             x += col->GetWidth();
1963         }
1964
1965         // Draw last vertical rule
1966         dc.DrawLine(x, item_start * m_lineHeight,
1967                     x, item_last * m_lineHeight);
1968     }
1969
1970     // redraw the background for the items which are selected/current
1971     for (unsigned int item = item_start; item < item_last; item++)
1972     {
1973         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1974         if (selected || item == m_currentRow)
1975         {
1976             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1977             if (item == m_currentRow)
1978                 flags |= wxCONTROL_CURRENT;
1979             if (m_hasFocus)
1980                 flags |= wxCONTROL_FOCUSED;
1981
1982             wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
1983             wxRendererNative::Get().DrawItemSelectionRect
1984                                 (
1985                                     this,
1986                                     dc,
1987                                     rect,
1988                                     flags
1989                                 );
1990         }
1991     }
1992
1993     // redraw all cells for all rows which must be repainted and for all columns
1994     wxRect cell_rect;
1995     cell_rect.x = x_start;
1996     cell_rect.height = m_lineHeight;        // -1 is for the horizontal rules
1997     for (unsigned int i = col_start; i < col_last; i++)
1998     {
1999         wxDataViewColumn *col = GetOwner()->GetColumn( i );
2000         wxDataViewRenderer *cell = col->GetRenderer();
2001         cell_rect.width = col->GetWidth();
2002
2003         if (col->IsHidden())
2004             continue;       // skipt it!
2005
2006         for (unsigned int item = item_start; item < item_last; item++)
2007         {
2008             // get the cell value and set it into the renderer
2009             wxVariant value;
2010              wxDataViewTreeNode * node = GetTreeNodeByRow(item);
2011              if( node == NULL )
2012                  continue;
2013
2014             wxDataViewItem dataitem = node->GetItem();
2015              model->GetValue( value, dataitem, col->GetModelColumn());
2016             cell->SetValue( value );
2017
2018             // update the y offset
2019             cell_rect.y = item * m_lineHeight;
2020
2021             //Draw the expander here. Please notice that I use const number for all pixel data. When the final API are determined
2022             //I will change this to the data member of the class wxDataViewCtrl
2023             int indent = node->GetIndentLevel();
2024             if( col->GetModelColumn() == GetOwner()->GetExpanderColumn() )
2025             {
2026                 //Calculate the indent first
2027                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2028
2029                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2030                 // change the cell_rect.x to the appropriate pos
2031                 int  expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2032                 indent = indent + m_lineHeight ;  //try to use the m_lineHeight as the expander space
2033                 dc.SetPen( m_penExpander );
2034                 dc.SetBrush( wxNullBrush );
2035                 if( node->HasChildren() )
2036                 {
2037                     //dc.DrawRoundedRectangle( expander_x,expander_y,expander_width,expander_width, 1.0);
2038                     //dc.DrawLine( expander_x + 2 , expander_y + expander_width/2, expander_x + expander_width - 2, expander_y + expander_width/2 );
2039                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
2040                     if( node->IsOpen() )
2041                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, wxCONTROL_EXPANDED );
2042                     else
2043                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect );
2044                 }
2045                 else
2046                 {
2047                  // I am wandering whether we should draw dot lines between tree nodes
2048                 }
2049
2050                  //force the expander column to left-center align
2051                  cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2052             }
2053
2054
2055             // cannot be bigger than allocated space
2056             wxSize size = cell->GetSize();
2057             // Because of the tree structure indent, here we should minus the width of the cell for drawing
2058             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2059             size.y = wxMin( size.y + 2*PADDING_TOPBOTTOM, cell_rect.height );
2060
2061             wxRect item_rect(cell_rect.GetTopLeft(), size);
2062             int align = cell->GetAlignment();
2063
2064             // horizontal alignment:
2065             item_rect.x = cell_rect.x;
2066             if (align & wxALIGN_CENTER_HORIZONTAL)
2067                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2068             else if (align & wxALIGN_RIGHT)
2069                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2070             //else: wxALIGN_LEFT is the default
2071
2072             // vertical alignment:
2073             item_rect.y = cell_rect.y;
2074             if (align & wxALIGN_CENTER_VERTICAL)
2075                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2076             else if (align & wxALIGN_BOTTOM)
2077                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2078             //else: wxALIGN_TOP is the default
2079
2080             // add padding
2081             item_rect.x += PADDING_RIGHTLEFT;
2082             item_rect.y += PADDING_TOPBOTTOM;
2083             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2084             item_rect.height = size.y - 2 * PADDING_TOPBOTTOM;
2085
2086             //Here we add the tree indent
2087             item_rect.x += indent;
2088
2089             int state = 0;
2090             if (m_selection.Index(item) != wxNOT_FOUND)
2091                 state |= wxDATAVIEW_CELL_SELECTED;
2092
2093             // TODO: it would be much more efficient to create a clipping
2094             //       region for the entire column being rendered (in the OnPaint
2095             //       of wxDataViewMainWindow) instead of a single clip region for
2096             //       each cell. However it would mean that each renderer should
2097             //       respect the given wxRect's top & bottom coords, eventually
2098             //       violating only the left & right coords - however the user can
2099             //       make its own renderer and thus we cannot be sure of that.
2100             dc.SetClippingRegion( item_rect );
2101             cell->Render( item_rect, &dc, state );
2102             dc.DestroyClippingRegion();
2103         }
2104
2105         cell_rect.x += cell_rect.width;
2106     }
2107 }
2108
2109 int wxDataViewMainWindow::GetCountPerPage() const
2110 {
2111     wxSize size = GetClientSize();
2112     return size.y / m_lineHeight;
2113 }
2114
2115 int wxDataViewMainWindow::GetEndOfLastCol() const
2116 {
2117     int width = 0;
2118     unsigned int i;
2119     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2120     {
2121         const wxDataViewColumn *c =
2122             wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2123
2124         if (!c->IsHidden())
2125             width += c->GetWidth();
2126     }
2127     return width;
2128 }
2129
2130 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2131 {
2132     int x = 0;
2133     int y = 0;
2134     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2135
2136     return y / m_lineHeight;
2137 }
2138
2139 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2140 {
2141     wxSize client_size = GetClientSize();
2142     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2143                                      &client_size.x, &client_size.y );
2144
2145     return wxMin( GetRowCount()-1, ((unsigned)client_size.y/m_lineHeight)+1 );
2146 }
2147
2148 unsigned int wxDataViewMainWindow::GetRowCount()
2149 {
2150     if ( m_count == -1 )
2151     {
2152         m_count = RecalculateCount();
2153         int width, height;
2154         GetVirtualSize( &width, &height );
2155         height = m_count * m_lineHeight;
2156
2157         SetVirtualSize( width, height );
2158     }
2159     return m_count;
2160 }
2161
2162 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2163 {
2164     m_currentRow = row;
2165
2166     // send event
2167 }
2168
2169 void wxDataViewMainWindow::SelectAllRows( bool on )
2170 {
2171     if (IsEmpty())
2172         return;
2173
2174     if (on)
2175     {
2176         m_selection.Clear();
2177         for (unsigned int i = 0; i < GetRowCount(); i++)
2178             m_selection.Add( i );
2179         Refresh();
2180     }
2181     else
2182     {
2183         unsigned int first_visible = GetFirstVisibleRow();
2184         unsigned int last_visible = GetLastVisibleRow();
2185         unsigned int i;
2186         for (i = 0; i < m_selection.GetCount(); i++)
2187         {
2188             unsigned int row = m_selection[i];
2189             if ((row >= first_visible) && (row <= last_visible))
2190                 RefreshRow( row );
2191         }
2192         m_selection.Clear();
2193     }
2194 }
2195
2196 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2197 {
2198     if (m_selection.Index( row ) == wxNOT_FOUND)
2199     {
2200         if (on)
2201         {
2202             m_selection.Add( row );
2203             RefreshRow( row );
2204         }
2205     }
2206     else
2207     {
2208         if (!on)
2209         {
2210             m_selection.Remove( row );
2211             RefreshRow( row );
2212         }
2213     }
2214 }
2215
2216 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2217 {
2218     if (from > to)
2219     {
2220         unsigned int tmp = from;
2221         from = to;
2222         to = tmp;
2223     }
2224
2225     unsigned int i;
2226     for (i = from; i <= to; i++)
2227     {
2228         if (m_selection.Index( i ) == wxNOT_FOUND)
2229         {
2230             if (on)
2231                 m_selection.Add( i );
2232         }
2233         else
2234         {
2235             if (!on)
2236                 m_selection.Remove( i );
2237         }
2238     }
2239     RefreshRows( from, to );
2240 }
2241
2242 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2243 {
2244     for (size_t i=0; i < aSelections.GetCount(); i++)
2245     {
2246         int n = aSelections[i];
2247
2248         m_selection.Add( n );
2249         RefreshRow( n );
2250     }
2251 }
2252
2253 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2254 {
2255     if (m_selection.Index( row ) == wxNOT_FOUND)
2256         m_selection.Add( row );
2257     else
2258         m_selection.Remove( row );
2259     RefreshRow( row );
2260 }
2261
2262 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2263 {
2264     return (m_selection.Index( row ) != wxNOT_FOUND);
2265 }
2266
2267 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2268 {
2269     wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2270     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2271
2272     wxSize client_size = GetClientSize();
2273     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2274     wxRect intersect_rect = client_rect.Intersect( rect );
2275     if (intersect_rect.width > 0)
2276         Refresh( true, &intersect_rect );
2277 }
2278
2279 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2280 {
2281     if (from > to)
2282     {
2283         unsigned int tmp = to;
2284         to = from;
2285         from = tmp;
2286     }
2287
2288     wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2289     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2290
2291     wxSize client_size = GetClientSize();
2292     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2293     wxRect intersect_rect = client_rect.Intersect( rect );
2294     if (intersect_rect.width > 0)
2295         Refresh( true, &intersect_rect );
2296 }
2297
2298 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2299 {
2300     unsigned int count = GetRowCount();
2301     if (firstRow > count)
2302         return;
2303
2304     wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2305     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2306
2307     wxSize client_size = GetClientSize();
2308     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2309     wxRect intersect_rect = client_rect.Intersect( rect );
2310     if (intersect_rect.width > 0)
2311         Refresh( true, &intersect_rect );
2312 }
2313
2314 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2315 {
2316     wxCHECK_RET( newCurrent < GetRowCount(),
2317                  _T("invalid item index in OnArrowChar()") );
2318
2319     // if there is no selection, we cannot move it anywhere
2320     if (!HasCurrentRow())
2321         return;
2322
2323     unsigned int oldCurrent = m_currentRow;
2324
2325     // in single selection we just ignore Shift as we can't select several
2326     // items anyhow
2327     if ( event.ShiftDown() && !IsSingleSel() )
2328     {
2329         RefreshRow( oldCurrent );
2330
2331         ChangeCurrentRow( newCurrent );
2332
2333         // select all the items between the old and the new one
2334         if ( oldCurrent > newCurrent )
2335         {
2336             newCurrent = oldCurrent;
2337             oldCurrent = m_currentRow;
2338         }
2339
2340         SelectRows( oldCurrent, newCurrent, true );
2341     }
2342     else // !shift
2343     {
2344         RefreshRow( oldCurrent );
2345
2346         // all previously selected items are unselected unless ctrl is held
2347         if ( !event.ControlDown() )
2348             SelectAllRows(false);
2349
2350         ChangeCurrentRow( newCurrent );
2351
2352         if ( !event.ControlDown() )
2353             SelectRow( m_currentRow, true );
2354         else
2355             RefreshRow( m_currentRow );
2356     }
2357
2358     //EnsureVisible( m_currentRow );
2359 }
2360
2361 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2362 {
2363     wxRect rect;
2364     rect.x = 0;
2365     rect.y = m_lineHeight * row;
2366     rect.width = GetEndOfLastCol();
2367     rect.height = m_lineHeight;
2368
2369     return rect;
2370 }
2371
2372 class RowToItemJob: public DoJob
2373 {
2374 public:
2375     RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2376     virtual ~RowToItemJob(){};
2377
2378     virtual int operator() ( wxDataViewTreeNode * node )
2379         {
2380             if( current == static_cast<int>(row))
2381             {
2382                ret = node->GetItem() ;
2383                return DoJob::OK;
2384            }
2385            current ++;
2386            if ( node->IsOpen())
2387                return DoJob::CONT;
2388            else
2389                return DoJob::IGR;
2390         }
2391
2392     wxDataViewItem GetResult(){ return ret; }
2393 private:
2394     unsigned int row;
2395     int current ;
2396     wxDataViewItem ret;
2397 };
2398
2399 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row)
2400 {
2401     RowToItemJob job( row, 0 );
2402     Walker( m_root , job );
2403     return job.GetResult();
2404 }
2405
2406 class RowToTreeNodeJob: public DoJob
2407 {
2408 public:
2409     RowToTreeNodeJob( unsigned int row , int current ) { this->row = row; this->current = current ; ret = NULL ; }
2410     virtual ~RowToTreeNodeJob(){};
2411
2412     virtual int operator() ( wxDataViewTreeNode * node )
2413     {
2414         if( current == static_cast<int>(row))
2415          {
2416             ret = node ;
2417             return DoJob::OK;
2418         }
2419         current ++;
2420         if ( node->IsOpen())
2421             return DoJob::CONT;
2422         else
2423             return DoJob::IGR;
2424     }
2425
2426     wxDataViewTreeNode * GetResult(){ return ret; }
2427 private:
2428     unsigned int row;
2429     int current ;
2430     wxDataViewTreeNode * ret;
2431 };
2432
2433
2434 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
2435 {
2436     RowToTreeNodeJob job( row , 0 );
2437     Walker( m_root , job );
2438     return job.GetResult();
2439 }
2440
2441 class CountJob : public DoJob
2442 {
2443 public:
2444     CountJob(){ count = 0 ; }
2445     virtual ~CountJob(){};
2446
2447     virtual int operator () (  wxDataViewTreeNode * node )
2448     {
2449          count ++;
2450          if ( node->IsOpen())
2451              return DoJob::CONT;
2452          else
2453              return DoJob::IGR;
2454     }
2455
2456     unsigned int GetResult()
2457     {
2458         return count ;
2459     }
2460 private:
2461     unsigned int count;
2462 };
2463
2464 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2465 {
2466     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2467     if( node != NULL )
2468     {
2469         if( node->HasChildren())
2470             if( !node->IsOpen())
2471             {
2472                node->ToggleOpen();
2473                //Here I build the children of current node
2474                if( node->GetChildrenNumber() == 0 )
2475                    BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2476                m_count = -1;
2477                Refresh();
2478             }
2479     }
2480 }
2481
2482 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
2483 {
2484     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2485     if( node != NULL )
2486     {
2487         if( node->HasChildren() && node->IsOpen() )
2488         {
2489             node->ToggleOpen();
2490             m_count = -1;
2491             Refresh();
2492             //RefreshRows(row,GetLastVisibleRow());
2493          }
2494          else
2495          {
2496              node = node->GetParent();
2497              if( node != NULL )
2498              {
2499                  int  parent = GetRowByItem( node->GetItem()) ;
2500                  SelectRow( row, false);
2501                  SelectRow(parent , true );
2502                  ChangeCurrentRow( parent );
2503              }
2504          }
2505     }
2506 }
2507
2508 int wxDataViewMainWindow::RecalculateCount()
2509 {
2510     CountJob job;
2511     Walker( m_root, job );
2512     return job.GetResult();
2513 }
2514
2515 class ItemToRowJob : public DoJob
2516 {
2517 public:
2518     ItemToRowJob(const wxDataViewItem & item){ this->item = item ; ret = 0 ; }
2519     virtual ~ItemToRowJob(){};
2520
2521     virtual int operator() ( wxDataViewTreeNode * node)
2522     {
2523          ret ++;
2524          if( node->GetItem() == item )
2525              return DoJob::OK;
2526
2527          if( node->IsOpen())
2528              return DoJob::CONT;
2529          else
2530              return DoJob::IGR;
2531     }
2532
2533     //the row number is begin from zero
2534     int GetResult(){ return ret -1 ; }
2535 private:
2536     wxDataViewItem item;
2537     int ret;
2538 };
2539
2540 unsigned int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
2541 {
2542     ItemToRowJob job( item );
2543     Walker(m_root , job );
2544     return job.GetResult();
2545 }
2546
2547 void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node)
2548 {
2549     if( !model->HasChildren( item ) )
2550         return ;
2551
2552     wxDataViewItem i = model->GetFirstChild( item );
2553     while( i.IsOk() )
2554     {
2555         wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
2556         n->SetItem(i);
2557         n->SetHasChildren( model->HasChildren( i )) ;
2558         node->AppendChild(n);
2559         //BuildTreeHelper( model, i, n) ;
2560         i = model->GetNextSibling( i );
2561     }
2562 }
2563
2564 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
2565 {
2566     //First we define a invalid item to fetch the top-level elements
2567     wxDataViewItem item;
2568     BuildTreeHelper( model, item, m_root);
2569     m_count = -1 ;
2570 }
2571
2572 void DestroyTreeHelper( wxDataViewTreeNode * node )
2573 {
2574     if( node->HasChildren() )
2575     {
2576         int len = node->GetChildrenNumber();
2577         int i = 0 ;
2578         wxDataViewTreeNodes nodes = node->GetChildren();
2579         for( ; i < len; i ++ )
2580         {
2581             DestroyTreeHelper(nodes[i]);
2582         }
2583     }
2584     delete node;
2585 }
2586
2587 void wxDataViewMainWindow::DestroyTree()
2588 {
2589     DestroyTreeHelper(m_root);
2590     m_count = 0 ;
2591 }
2592
2593 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
2594 {
2595     if (event.GetKeyCode() == WXK_TAB)
2596     {
2597         wxNavigationKeyEvent nevent;
2598         nevent.SetWindowChange( event.ControlDown() );
2599         nevent.SetDirection( !event.ShiftDown() );
2600         nevent.SetEventObject( GetParent()->GetParent() );
2601         nevent.SetCurrentFocus( m_parent );
2602         if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
2603             return;
2604     }
2605
2606     // no item -> nothing to do
2607     if (!HasCurrentRow())
2608     {
2609         event.Skip();
2610         return;
2611     }
2612
2613     // don't use m_linesPerPage directly as it might not be computed yet
2614     const int pageSize = GetCountPerPage();
2615     wxCHECK_RET( pageSize, _T("should have non zero page size") );
2616
2617     switch ( event.GetKeyCode() )
2618     {
2619         case WXK_UP:
2620             if ( m_currentRow > 0 )
2621                 OnArrowChar( m_currentRow - 1, event );
2622             break;
2623
2624         case WXK_DOWN:
2625             if ( m_currentRow < GetRowCount() - 1 )
2626                 OnArrowChar( m_currentRow + 1, event );
2627             break;
2628         //Add the process for tree expanding/collapsing
2629         case WXK_LEFT:
2630              OnCollapsing(m_currentRow);
2631              break;
2632          case WXK_RIGHT:
2633              OnExpanding( m_currentRow);
2634              break;
2635         case WXK_END:
2636             if (!IsEmpty())
2637                 OnArrowChar( GetRowCount() - 1, event );
2638             break;
2639
2640         case WXK_HOME:
2641             if (!IsEmpty())
2642                 OnArrowChar( 0, event );
2643             break;
2644
2645         case WXK_PAGEUP:
2646             {
2647                 int steps = pageSize - 1;
2648                 int index = m_currentRow - steps;
2649                 if (index < 0)
2650                     index = 0;
2651
2652                 OnArrowChar( index, event );
2653             }
2654             break;
2655
2656         case WXK_PAGEDOWN:
2657             {
2658                 int steps = pageSize - 1;
2659                 unsigned int index = m_currentRow + steps;
2660                 unsigned int count = GetRowCount();
2661                 if ( index >= count )
2662                     index = count - 1;
2663
2664                 OnArrowChar( index, event );
2665             }
2666             break;
2667
2668         default:
2669             event.Skip();
2670     }
2671 }
2672
2673 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
2674 {
2675     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
2676     {
2677         // let the base handle mouse wheel events.
2678         event.Skip();
2679         return;
2680     }
2681
2682     int x = event.GetX();
2683     int y = event.GetY();
2684     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2685
2686     wxDataViewColumn *col = NULL;
2687
2688     int xpos = 0;
2689     unsigned int cols = GetOwner()->GetColumnCount();
2690     unsigned int i;
2691     for (i = 0; i < cols; i++)
2692     {
2693         wxDataViewColumn *c = GetOwner()->GetColumn( i );
2694         if (c->IsHidden())
2695             continue;      // skip it!
2696
2697         if (x < xpos + c->GetWidth())
2698         {
2699             col = c;
2700             break;
2701         }
2702         xpos += c->GetWidth();
2703     }
2704     if (!col)
2705         return;
2706     wxDataViewRenderer *cell = col->GetRenderer();
2707
2708     unsigned int current = y / m_lineHeight;
2709
2710     if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
2711     {
2712         // Unselect all if below the last row ?
2713         return;
2714     }
2715
2716     wxDataViewModel *model = GetOwner()->GetModel();
2717
2718     if (event.Dragging())
2719     {
2720         if (m_dragCount == 0)
2721         {
2722             // we have to report the raw, physical coords as we want to be
2723             // able to call HitTest(event.m_pointDrag) from the user code to
2724             // get the item being dragged
2725             m_dragStart = event.GetPosition();
2726         }
2727
2728         m_dragCount++;
2729
2730         if (m_dragCount != 3)
2731             return;
2732
2733         if (event.LeftIsDown())
2734         {
2735             // Notify cell about drag
2736         }
2737         return;
2738     }
2739     else
2740     {
2741         m_dragCount = 0;
2742     }
2743
2744     bool forceClick = false;
2745
2746     if (event.ButtonDClick())
2747     {
2748         m_renameTimer->Stop();
2749         m_lastOnSame = false;
2750     }
2751
2752     if (event.LeftDClick())
2753     {
2754         if ( current == m_lineLastClicked )
2755         {
2756             if (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE)
2757             {
2758                 wxDataViewItem item = GetItemByRow(current);
2759                 wxVariant value;
2760                 model->GetValue( value, item, col->GetModelColumn() );
2761                 cell->SetValue( value );
2762                 wxRect cell_rect( xpos, current * m_lineHeight,
2763                                   col->GetWidth(), m_lineHeight );
2764                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
2765             }
2766             return;
2767         }
2768         else
2769         {
2770             // The first click was on another item, so don't interpret this as
2771             // a double click, but as a simple click instead
2772             forceClick = true;
2773         }
2774     }
2775
2776     if (event.LeftUp())
2777     {
2778         if (m_lineSelectSingleOnUp != (unsigned int)-1)
2779         {
2780             // select single line
2781             SelectAllRows( false );
2782             SelectRow( m_lineSelectSingleOnUp, true );
2783         }
2784
2785         //Process the event of user clicking the expander
2786         bool expander = false;
2787         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
2788         if( node!=NULL && node->HasChildren() )
2789         {
2790             int indent = node->GetIndentLevel();
2791             indent = GetOwner()->GetIndent()*indent;
2792             wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
2793             if( rect.Contains( x, y) )
2794             {
2795                 expander = true;
2796                 if( node->IsOpen() )
2797                     OnCollapsing(current);
2798                 else
2799                     OnExpanding( current );
2800             }
2801         }
2802
2803         //If the user click the expander, we do not do editing even if the column with expander are editable
2804         if (m_lastOnSame && !expander )
2805         {
2806             if ((col == m_currentCol) && (current == m_currentRow) &&
2807                 (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
2808             {
2809                 m_renameTimer->Start( 100, true );
2810             }
2811         }
2812
2813         m_lastOnSame = false;
2814         m_lineSelectSingleOnUp = (unsigned int)-1;
2815     }
2816     else
2817     {
2818         // This is necessary, because after a DnD operation in
2819         // from and to ourself, the up event is swallowed by the
2820         // DnD code. So on next non-up event (which means here and
2821         // now) m_lineSelectSingleOnUp should be reset.
2822         m_lineSelectSingleOnUp = (unsigned int)-1;
2823     }
2824
2825     if (event.RightDown())
2826     {
2827         m_lineBeforeLastClicked = m_lineLastClicked;
2828         m_lineLastClicked = current;
2829
2830         // If the item is already selected, do not update the selection.
2831         // Multi-selections should not be cleared if a selected item is clicked.
2832         if (!IsRowSelected(current))
2833         {
2834             SelectAllRows(false);
2835             ChangeCurrentRow(current);
2836             SelectRow(m_currentRow,true);
2837         }
2838
2839         // notify cell about right click
2840         // cell->...
2841
2842         // Allow generation of context menu event
2843         event.Skip();
2844     }
2845     else if (event.MiddleDown())
2846     {
2847         // notify cell about middle click
2848         // cell->...
2849     }
2850     if (event.LeftDown() || forceClick)
2851     {
2852 #ifdef __WXMSW__
2853         SetFocus();
2854 #endif
2855
2856         m_lineBeforeLastClicked = m_lineLastClicked;
2857         m_lineLastClicked = current;
2858
2859         unsigned int oldCurrentRow = m_currentRow;
2860         bool oldWasSelected = IsRowSelected(m_currentRow);
2861
2862         bool cmdModifierDown = event.CmdDown();
2863         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
2864         {
2865             if ( IsSingleSel() || !IsRowSelected(current) )
2866             {
2867                 SelectAllRows( false );
2868
2869                 ChangeCurrentRow(current);
2870
2871                 SelectRow(m_currentRow,true);
2872             }
2873             else // multi sel & current is highlighted & no mod keys
2874             {
2875                 m_lineSelectSingleOnUp = current;
2876                 ChangeCurrentRow(current); // change focus
2877             }
2878         }
2879         else // multi sel & either ctrl or shift is down
2880         {
2881             if (cmdModifierDown)
2882             {
2883                 ChangeCurrentRow(current);
2884
2885                 ReverseRowSelection(m_currentRow);
2886             }
2887             else if (event.ShiftDown())
2888             {
2889                 ChangeCurrentRow(current);
2890
2891                 unsigned int lineFrom = oldCurrentRow,
2892                        lineTo = current;
2893
2894                 if ( lineTo < lineFrom )
2895                 {
2896                     lineTo = lineFrom;
2897                     lineFrom = m_currentRow;
2898                 }
2899
2900                 SelectRows(lineFrom, lineTo, true);
2901             }
2902             else // !ctrl, !shift
2903             {
2904                 // test in the enclosing if should make it impossible
2905                 wxFAIL_MSG( _T("how did we get here?") );
2906             }
2907         }
2908
2909         if (m_currentRow != oldCurrentRow)
2910             RefreshRow( oldCurrentRow );
2911
2912         wxDataViewColumn *oldCurrentCol = m_currentCol;
2913
2914         // Update selection here...
2915         m_currentCol = col;
2916
2917         m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
2918                         (current == oldCurrentRow)) && oldWasSelected;
2919     }
2920 }
2921
2922 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
2923 {
2924     m_hasFocus = true;
2925
2926     if (HasCurrentRow())
2927         Refresh();
2928
2929     event.Skip();
2930 }
2931
2932 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
2933 {
2934     m_hasFocus = false;
2935
2936     if (HasCurrentRow())
2937         Refresh();
2938
2939     event.Skip();
2940 }
2941
2942 wxDataViewItem wxDataViewMainWindow::GetSelection()
2943 {
2944     if( m_selection.GetCount() != 1 )
2945         return wxDataViewItem();
2946     return GetItemByRow( m_selection.Item( 0 ) );
2947 }
2948
2949 //-----------------------------------------------------------------------------
2950 // wxDataViewCtrl
2951 //-----------------------------------------------------------------------------
2952
2953 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
2954
2955 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
2956     EVT_SIZE(wxDataViewCtrl::OnSize)
2957 END_EVENT_TABLE()
2958
2959 wxDataViewCtrl::~wxDataViewCtrl()
2960 {
2961     if (m_notifier)
2962         GetModel()->RemoveNotifier( m_notifier );
2963 }
2964
2965 void wxDataViewCtrl::Init()
2966 {
2967     m_notifier = NULL;
2968 }
2969
2970 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
2971            const wxPoint& pos, const wxSize& size,
2972            long style, const wxValidator& validator )
2973 {
2974     if (!wxControl::Create( parent, id, pos, size,
2975                             style | wxScrolledWindowStyle|wxSUNKEN_BORDER, validator))
2976         return false;
2977
2978     Init();
2979
2980 #ifdef __WXMAC__
2981     MacSetClipChildren( true ) ;
2982 #endif
2983
2984     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
2985
2986     if (HasFlag(wxDV_NO_HEADER))
2987         m_headerArea = NULL;
2988     else
2989         m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
2990
2991     SetTargetWindow( m_clientArea );
2992
2993     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
2994     if (m_headerArea)
2995         sizer->Add( m_headerArea, 0, wxGROW );
2996     sizer->Add( m_clientArea, 1, wxGROW );
2997     SetSizer( sizer );
2998
2999     return true;
3000 }
3001
3002 #ifdef __WXMSW__
3003 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3004                                        WXWPARAM wParam,
3005                                        WXLPARAM lParam)
3006 {
3007     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3008
3009 #ifndef __WXWINCE__
3010     // we need to process arrows ourselves for scrolling
3011     if ( nMsg == WM_GETDLGCODE )
3012     {
3013         rc |= DLGC_WANTARROWS;
3014     }
3015 #endif
3016
3017     return rc;
3018 }
3019 #endif
3020
3021 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3022 {
3023     // We need to override OnSize so that our scrolled
3024     // window a) does call Layout() to use sizers for
3025     // positioning the controls but b) does not query
3026     // the sizer for their size and use that for setting
3027     // the scrollable area as set that ourselves by
3028     // calling SetScrollbar() further down.
3029
3030     Layout();
3031
3032     AdjustScrollbars();
3033 }
3034
3035 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3036 {
3037     if (!wxDataViewCtrlBase::AssociateModel( model ))
3038         return false;
3039
3040     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3041
3042     model->AddNotifier( m_notifier );
3043
3044     m_clientArea->BuildTree(model);
3045
3046     m_clientArea->UpdateDisplay();
3047
3048     return true;
3049 }
3050
3051 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3052 {
3053     if (!wxDataViewCtrlBase::AppendColumn(col))
3054         return false;
3055
3056     OnColumnChange();
3057     return true;
3058 }
3059
3060 void wxDataViewCtrl::OnColumnChange()
3061 {
3062     if (m_headerArea)
3063         m_headerArea->UpdateDisplay();
3064
3065     m_clientArea->UpdateDisplay();
3066 }
3067
3068 void wxDataViewCtrl::DoSetExpanderColumn()
3069 {
3070     m_clientArea->UpdateDisplay();
3071 }
3072
3073 void wxDataViewCtrl::DoSetIndent()
3074 {
3075     m_clientArea->UpdateDisplay();
3076 }
3077
3078 wxDataViewItem wxDataViewCtrl::GetSelection()
3079 {
3080     return m_clientArea->GetSelection();
3081 }
3082
3083 /********************************************************************
3084 void wxDataViewCtrl::SetSelection( int row )
3085 {
3086     m_clientArea->SelectRow(row, true);
3087 }
3088
3089 void wxDataViewCtrl::SetSelectionRange( unsigned int from, unsigned int to )
3090 {
3091     m_clientArea->SelectRows(from, to, true);
3092 }
3093
3094 void wxDataViewCtrl::SetSelections( const wxArrayInt& aSelections )
3095 {
3096     m_clientArea->Select(aSelections);
3097 }
3098
3099 void wxDataViewCtrl::Unselect( unsigned int WXUNUSED(row) )
3100 {
3101     // FIXME - TODO
3102 }
3103
3104 bool wxDataViewCtrl::IsSelected( unsigned int WXUNUSED(row) ) const
3105 {
3106     // FIXME - TODO
3107
3108     return false;
3109 }
3110
3111 int wxDataViewCtrl::GetSelection() const
3112 {
3113     // FIXME - TODO
3114
3115     return -1;
3116 }
3117
3118 int wxDataViewCtrl::GetSelections(wxArrayInt& WXUNUSED(aSelections) ) const
3119 {
3120     // FIXME - TODO
3121
3122     return 0;
3123 }
3124 *********************************************************************/
3125 #endif
3126     // !wxUSE_GENERICDATAVIEWCTRL
3127
3128 #endif
3129     // wxUSE_DATAVIEWCTRL