src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/defs.h"
  14
  15 #if wxUSE_DATAVIEWCTRL
  16
  17 #include "wx/dataview.h"
  18
  19 #ifdef wxUSE_GENERICDATAVIEWCTRL
  20
  21 #include "wx/stockitem.h"
  22 #include "wx/dcclient.h"
  23 #include "wx/calctrl.h"
  24 #include "wx/popupwin.h"
  25 #include "wx/sizer.h"
  26 #include "wx/log.h"
  27 #include "wx/renderer.h"
  28
  29 #ifdef __WXMSW__
  30     #include <windows.h> // for DLGC_WANTARROWS
  31     #include "wx/msw/winundef.h"
  32 #endif
  33
  34 //-----------------------------------------------------------------------------
  35 // classes
  36 //-----------------------------------------------------------------------------
  37
  38 class wxDataViewCtrl;
  39
  40 //-----------------------------------------------------------------------------
  41 // wxDataViewHeaderWindow
  42 //-----------------------------------------------------------------------------
  43
  44 class wxDataViewHeaderWindow: public wxWindow
  45 {
  46 public:
  47     wxDataViewHeaderWindow( wxDataViewCtrl *parent,
  48                             wxWindowID id,
  49                             const wxPoint &pos = wxDefaultPosition,
  50                             const wxSize &size = wxDefaultSize,
  51                             const wxString &name = wxT("wxdataviewctrlheaderwindow") );
  52     ~wxDataViewHeaderWindow();
  53
  54     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
  55     wxDataViewCtrl *GetOwner() { return m_owner; }
  56
  57     void OnPaint( wxPaintEvent &event );
  58     void OnMouse( wxMouseEvent &event );
  59     void OnSetFocus( wxFocusEvent &event );
  60
  61 private:
  62     wxDataViewCtrl      *m_owner;
  63     wxCursor            *m_resizeCursor;
  64
  65 private:
  66     DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindow)
  67     DECLARE_EVENT_TABLE()
  68 };
  69
  70 //-----------------------------------------------------------------------------
  71 // wxDataViewMainWindow
  72 //-----------------------------------------------------------------------------
  73
  74 class wxDataViewMainWindow: public wxWindow
  75 {
  76 public:
  77     wxDataViewMainWindow( wxDataViewCtrl *parent,
  78                             wxWindowID id,
  79                             const wxPoint &pos = wxDefaultPosition,
  80                             const wxSize &size = wxDefaultSize,
  81                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
  82     ~wxDataViewMainWindow();
  83
  84     // notifications from wxDataViewListModel
  85     bool RowAppended();
  86     bool RowPrepended();
  87     bool RowInserted( size_t before );
  88     bool RowDeleted( size_t row );
  89     bool RowChanged( size_t row );
  90     bool ValueChanged( size_t col, size_t row );
  91     bool RowsReordered( size_t *new_order );
  92     bool Cleared();
  93
  94     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
  95     wxDataViewCtrl *GetOwner() { return m_owner; }
  96
  97     void OnPaint( wxPaintEvent &event );
  98     void OnMouse( wxMouseEvent &event );
  99     void OnSetFocus( wxFocusEvent &event );
 100
 101     void UpdateDisplay();
 102     void RecalculateDisplay();
 103     void OnInternalIdle();
 104
 105     void ScrollWindow( int dx, int dy, const wxRect *rect );
 106 private:
 107     wxDataViewCtrl      *m_owner;
 108     int                  m_lineHeight;
 109     bool                 m_dirty;
 110
 111 private:
 112     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 113     DECLARE_EVENT_TABLE()
 114 };
 115
 116 // ---------------------------------------------------------
 117 // wxGenericDataViewListModelNotifier
 118 // ---------------------------------------------------------
 119
 120 class wxGenericDataViewListModelNotifier: public wxDataViewListModelNotifier
 121 {
 122 public:
 123     wxGenericDataViewListModelNotifier( wxDataViewMainWindow *mainWindow )
 124         { m_mainWindow = mainWindow; }
 125
 126     virtual bool RowAppended()
 127         { return m_mainWindow->RowAppended(); }
 128     virtual bool RowPrepended()
 129         { return m_mainWindow->RowPrepended(); }
 130     virtual bool RowInserted( size_t before )
 131         { return m_mainWindow->RowInserted( before ); }
 132     virtual bool RowDeleted( size_t row )
 133         { return m_mainWindow->RowDeleted( row ); }
 134     virtual bool RowChanged( size_t row )
 135         { return m_mainWindow->RowChanged( row ); }
 136     virtual bool ValueChanged( size_t col, size_t row )
 137         { return m_mainWindow->ValueChanged( col, row ); }
 138     virtual bool RowsReordered( size_t *new_order )
 139         { return m_mainWindow->RowsReordered( new_order ); }
 140     virtual bool Cleared()
 141         { return m_mainWindow->Cleared(); }
 142
 143     wxDataViewMainWindow    *m_mainWindow;
 144 };
 145
 146 // ---------------------------------------------------------
 147 // wxDataViewCell
 148 // ---------------------------------------------------------
 149
 150 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCell, wxDataViewCellBase)
 151
 152 wxDataViewCell::wxDataViewCell( const wxString &varianttype, wxDataViewCellMode mode ) :
 153     wxDataViewCellBase( varianttype, mode )
 154 {
 155     m_dc = NULL;
 156 }
 157
 158 wxDataViewCell::~wxDataViewCell()
 159 {
 160     if (m_dc)
 161         delete m_dc;
 162 }
 163
 164 wxDC *wxDataViewCell::GetDC()
 165 {
 166     if (m_dc == NULL)
 167     {
 168         if (GetOwner() == NULL)
 169             return NULL;
 170         if (GetOwner()->GetOwner() == NULL)
 171             return NULL;
 172         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 173     }
 174
 175     return m_dc;
 176 }
 177
 178 // ---------------------------------------------------------
 179 // wxDataViewCustomCell
 180 // ---------------------------------------------------------
 181
 182 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomCell, wxDataViewCell)
 183
 184 wxDataViewCustomCell::wxDataViewCustomCell( const wxString &varianttype,
 185                           wxDataViewCellMode mode ) :
 186     wxDataViewCell( varianttype, mode )
 187 {
 188 }
 189
 190 // ---------------------------------------------------------
 191 // wxDataViewTextCell
 192 // ---------------------------------------------------------
 193
 194 IMPLEMENT_ABSTRACT_CLASS(wxDataViewTextCell, wxDataViewCustomCell)
 195
 196 wxDataViewTextCell::wxDataViewTextCell( const wxString &varianttype, wxDataViewCellMode mode ) :
 197     wxDataViewCustomCell( varianttype, mode )
 198 {
 199 }
 200
 201 bool wxDataViewTextCell::SetValue( const wxVariant &value )
 202 {
 203     m_text = value.GetString();
 204
 205     return true;
 206 }
 207
 208 bool wxDataViewTextCell::GetValue( wxVariant &value )
 209 {
 210     return false;
 211 }
 212
 213 bool wxDataViewTextCell::Render( wxRect cell, wxDC *dc, int state )
 214 {
 215     dc->DrawText( m_text, cell.x, cell.y );
 216
 217     return true;
 218 }
 219
 220 wxSize wxDataViewTextCell::GetSize()
 221 {
 222     return wxSize(80,20);
 223 }
 224
 225 // ---------------------------------------------------------
 226 // wxDataViewToggleCell
 227 // ---------------------------------------------------------
 228
 229 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleCell, wxDataViewCustomCell)
 230
 231 wxDataViewToggleCell::wxDataViewToggleCell( const wxString &varianttype,
 232                         wxDataViewCellMode mode ) :
 233     wxDataViewCustomCell( varianttype, mode )
 234 {
 235     m_toggle = false;
 236 }
 237
 238 bool wxDataViewToggleCell::SetValue( const wxVariant &value )
 239 {
 240     m_toggle = value.GetBool();
 241
 242     return true;;
 243 }
 244
 245 bool wxDataViewToggleCell::GetValue( wxVariant &value )
 246 {
 247     return false;
 248 }
 249
 250 bool wxDataViewToggleCell::Render( wxRect cell, wxDC *dc, int state )
 251 {
 252     // User wxRenderer here
 253
 254     if (GetMode() == wxDATAVIEW_CELL_ACTIVATABLE)
 255         dc->SetPen( *wxBLACK_PEN );
 256     else
 257         dc->SetPen( *wxGREY_PEN );
 258     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 259     wxRect rect;
 260     rect.x = cell.x + cell.width/2 - 10;
 261     rect.width = 20;
 262     rect.y = cell.y + cell.height/2 - 10;
 263     rect.height = 20;
 264     dc->DrawRectangle( rect );
 265     if (m_toggle)
 266     {
 267         rect.x += 2;
 268         rect.y += 2;
 269         rect.width -= 4;
 270         rect.height -= 4;
 271         dc->DrawLine( rect.x, rect.y, rect.x+rect.width, rect.y+rect.height );
 272         dc->DrawLine( rect.x+rect.width, rect.y, rect.x, rect.y+rect.height );
 273     }
 274
 275     return true;
 276 }
 277
 278 bool wxDataViewToggleCell::Activate( wxRect cell, wxDataViewListModel *model, size_t col, size_t row )
 279 {
 280     bool value = !m_toggle;
 281     wxVariant variant = value;
 282     model->SetValue( variant, col, row );
 283     model->ValueChanged( col, row );
 284     return true;
 285 }
 286
 287 wxSize wxDataViewToggleCell::GetSize()
 288 {
 289     return wxSize(20,20);
 290 }
 291
 292 // ---------------------------------------------------------
 293 // wxDataViewProgressCell
 294 // ---------------------------------------------------------
 295
 296 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressCell, wxDataViewCustomCell)
 297
 298 wxDataViewProgressCell::wxDataViewProgressCell( const wxString &label,
 299     const wxString &varianttype, wxDataViewCellMode mode ) :
 300     wxDataViewCustomCell( varianttype, mode )
 301 {
 302     m_label = label;
 303     m_value = 0;
 304 }
 305
 306 wxDataViewProgressCell::~wxDataViewProgressCell()
 307 {
 308 }
 309
 310 bool wxDataViewProgressCell::SetValue( const wxVariant &value )
 311 {
 312     m_value = (long) value;
 313
 314     if (m_value < 0) m_value = 0;
 315     if (m_value > 100) m_value = 100;
 316
 317     return true;
 318 }
 319
 320 bool wxDataViewProgressCell::Render( wxRect cell, wxDC *dc, int state )
 321 {
 322     double pct = (double)m_value / 100.0;
 323     wxRect bar = cell;
 324     bar.width = (int)(cell.width * pct);
 325     dc->SetPen( *wxTRANSPARENT_PEN );
 326     dc->SetBrush( *wxBLUE_BRUSH );
 327     dc->DrawRectangle( bar );
 328
 329     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 330     dc->SetPen( *wxBLACK_PEN );
 331     dc->DrawRectangle( cell );
 332
 333     return true;
 334 }
 335
 336 wxSize wxDataViewProgressCell::GetSize()
 337 {
 338     return wxSize(40,12);
 339 }
 340
 341 // ---------------------------------------------------------
 342 // wxDataViewDateCell
 343 // ---------------------------------------------------------
 344
 345 class wxDataViewDateCellPopupTransient: public wxPopupTransientWindow
 346 {
 347 public:
 348     wxDataViewDateCellPopupTransient( wxWindow* parent, wxDateTime *value,
 349         wxDataViewListModel *model, size_t col, size_t row ) :
 350         wxPopupTransientWindow( parent, wxBORDER_SIMPLE )
 351     {
 352         m_model = model;
 353         m_col = col;
 354         m_row = row;
 355         m_cal = new wxCalendarCtrl( this, -1, *value );
 356         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 357         sizer->Add( m_cal, 1, wxGROW );
 358         SetSizer( sizer );
 359         sizer->Fit( this );
 360     }
 361
 362     virtual void OnDismiss()
 363     {
 364     }
 365
 366     void OnCalendar( wxCalendarEvent &event );
 367
 368     wxCalendarCtrl      *m_cal;
 369     wxDataViewListModel *m_model;
 370     size_t               m_col;
 371     size_t               m_row;
 372
 373 private:
 374     DECLARE_EVENT_TABLE()
 375 };
 376
 377 BEGIN_EVENT_TABLE(wxDataViewDateCellPopupTransient,wxPopupTransientWindow)
 378     EVT_CALENDAR( -1, wxDataViewDateCellPopupTransient::OnCalendar )
 379 END_EVENT_TABLE()
 380
 381 void wxDataViewDateCellPopupTransient::OnCalendar( wxCalendarEvent &event )
 382 {
 383     wxDateTime date = event.GetDate();
 384     wxVariant value = date;
 385     m_model->SetValue( value, m_col, m_row );
 386     m_model->ValueChanged( m_col, m_row );
 387     DismissAndNotify();
 388 }
 389
 390 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateCell, wxDataViewCustomCell)
 391
 392 wxDataViewDateCell::wxDataViewDateCell( const wxString &varianttype,
 393                         wxDataViewCellMode mode ) :
 394     wxDataViewCustomCell( varianttype, mode )
 395 {
 396 }
 397
 398 bool wxDataViewDateCell::SetValue( const wxVariant &value )
 399 {
 400     m_date = value.GetDateTime();
 401
 402     return true;
 403 }
 404
 405 bool wxDataViewDateCell::Render( wxRect cell, wxDC *dc, int state )
 406 {
 407     dc->SetFont( GetOwner()->GetOwner()->GetFont() );
 408     wxString tmp = m_date.FormatDate();
 409     dc->DrawText( tmp, cell.x, cell.y );
 410
 411     return true;
 412 }
 413
 414 wxSize wxDataViewDateCell::GetSize()
 415 {
 416     wxDataViewCtrl* view = GetOwner()->GetOwner();
 417     wxString tmp = m_date.FormatDate();
 418     wxCoord x,y,d;
 419     view->GetTextExtent( tmp, &x, &y, &d );
 420     return wxSize(x,y+d);
 421 }
 422
 423 bool wxDataViewDateCell::Activate( wxRect cell, wxDataViewListModel *model, size_t col, size_t row )
 424 {
 425     wxVariant variant;
 426     model->GetValue( variant, col, row );
 427     wxDateTime value = variant.GetDateTime();
 428
 429     wxDataViewDateCellPopupTransient *popup = new wxDataViewDateCellPopupTransient(
 430         GetOwner()->GetOwner()->GetParent(), &value, model, col, row );
 431     wxPoint pos = wxGetMousePosition();
 432     popup->Move( pos );
 433     popup->Layout();
 434     popup->Popup( popup->m_cal );
 435
 436     return true;
 437 }
 438
 439 // ---------------------------------------------------------
 440 // wxDataViewColumn
 441 // ---------------------------------------------------------
 442
 443 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
 444
 445 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewCell *cell,
 446     size_t model_column, int flags ) :
 447     wxDataViewColumnBase( title, cell, model_column, flags )
 448 {
 449     m_width = 80;
 450 }
 451
 452 wxDataViewColumn::~wxDataViewColumn()
 453 {
 454 }
 455
 456 void wxDataViewColumn::SetTitle( const wxString &title )
 457 {
 458     wxDataViewColumnBase::SetTitle( title );
 459
 460 }
 461
 462 //-----------------------------------------------------------------------------
 463 // wxDataViewHeaderWindow
 464 //-----------------------------------------------------------------------------
 465
 466 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindow, wxWindow)
 467
 468 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow,wxWindow)
 469     EVT_PAINT         (wxDataViewHeaderWindow::OnPaint)
 470     EVT_MOUSE_EVENTS  (wxDataViewHeaderWindow::OnMouse)
 471     EVT_SET_FOCUS     (wxDataViewHeaderWindow::OnSetFocus)
 472 END_EVENT_TABLE()
 473
 474 wxDataViewHeaderWindow::wxDataViewHeaderWindow( wxDataViewCtrl *parent, wxWindowID id,
 475      const wxPoint &pos, const wxSize &size, const wxString &name ) :
 476     wxWindow( parent, id, pos, size, 0, name )
 477 {
 478     SetOwner( parent );
 479
 480     m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
 481
 482     wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
 483     SetOwnForegroundColour( attr.colFg );
 484     SetOwnBackgroundColour( attr.colBg );
 485     if (!m_hasFont)
 486         SetOwnFont( attr.font );
 487 }
 488
 489 wxDataViewHeaderWindow::~wxDataViewHeaderWindow()
 490 {
 491     delete m_resizeCursor;
 492 }
 493
 494 void wxDataViewHeaderWindow::OnPaint( wxPaintEvent &event )
 495 {
 496     int w, h;
 497     GetClientSize( &w, &h );
 498
 499     wxPaintDC dc( this );
 500
 501     int xpix;
 502     m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
 503
 504     int x;
 505     m_owner->GetViewStart( &x, NULL );
 506
 507     // account for the horz scrollbar offset
 508     dc.SetDeviceOrigin( -x * xpix, 0 );
 509
 510     dc.SetFont( GetFont() );
 511
 512     size_t cols = GetOwner()->GetNumberOfColumns();
 513     size_t i;
 514     int xpos = 0;
 515     for (i = 0; i < cols; i++)
 516     {
 517         wxDataViewColumn *col = GetOwner()->GetColumn( i );
 518         int width = col->GetWidth();
 519
 520         // the width of the rect to draw: make it smaller to fit entirely
 521         // inside the column rect
 522 #ifdef __WXMAC__
 523         int cw = width;
 524         int ch = h;
 525 #else
 526         int cw = width - 2;
 527         int ch = h - 2;
 528 #endif
 529
 530         wxRendererNative::Get().DrawHeaderButton
 531                                 (
 532                                     this,
 533                                     dc,
 534                                     wxRect(xpos, 0, cw, ch),
 535                                     m_parent->IsEnabled() ? 0
 536                                                           : (int)wxCONTROL_DISABLED
 537                                 );
 538
 539         dc.DrawText( col->GetTitle(), xpos+3, 3 );
 540
 541         xpos += width;
 542     }
 543 }
 544
 545 void wxDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
 546 {
 547 }
 548
 549 void wxDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
 550 {
 551     event.Skip();
 552 }
 553
 554 //-----------------------------------------------------------------------------
 555 // wxDataViewMainWindow
 556 //-----------------------------------------------------------------------------
 557
 558 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
 559
 560 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
 561     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
 562     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
 563     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
 564 END_EVENT_TABLE()
 565
 566 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
 567     const wxPoint &pos, const wxSize &size, const wxString &name ) :
 568     wxWindow( parent, id, pos, size, 0, name )
 569 {
 570     SetOwner( parent );
 571
 572     // We need to calculate this smartly..
 573     m_lineHeight = 20;
 574
 575     UpdateDisplay();
 576 }
 577
 578 wxDataViewMainWindow::~wxDataViewMainWindow()
 579 {
 580 }
 581
 582 bool wxDataViewMainWindow::RowAppended()
 583 {
 584     return false;
 585 }
 586
 587 bool wxDataViewMainWindow::RowPrepended()
 588 {
 589     return false;
 590 }
 591
 592 bool wxDataViewMainWindow::RowInserted( size_t before )
 593 {
 594     return false;
 595 }
 596
 597 bool wxDataViewMainWindow::RowDeleted( size_t row )
 598 {
 599     return false;
 600 }
 601
 602 bool wxDataViewMainWindow::RowChanged( size_t row )
 603 {
 604     return false;
 605 }
 606
 607 bool wxDataViewMainWindow::ValueChanged( size_t col, size_t row )
 608 {
 609     wxRect rect( 0, row*m_lineHeight, 10000, m_lineHeight );
 610     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
 611     Refresh( true, &rect );
 612
 613     return true;
 614 }
 615
 616 bool wxDataViewMainWindow::RowsReordered( size_t *new_order )
 617 {
 618     return false;
 619 }
 620
 621 bool wxDataViewMainWindow::Cleared()
 622 {
 623     return false;
 624 }
 625
 626 void wxDataViewMainWindow::UpdateDisplay()
 627 {
 628     m_dirty = true;
 629 }
 630
 631 void wxDataViewMainWindow::OnInternalIdle()
 632 {
 633     wxWindow::OnInternalIdle();
 634
 635     if (m_dirty)
 636     {
 637         RecalculateDisplay();
 638         m_dirty = false;
 639     }
 640 }
 641
 642 void wxDataViewMainWindow::RecalculateDisplay()
 643 {
 644     wxDataViewListModel *model = GetOwner()->GetModel();
 645     if (!model)
 646     {
 647         Refresh();
 648         return;
 649     }
 650
 651     int width = 0;
 652     size_t cols = GetOwner()->GetNumberOfColumns();
 653     size_t i;
 654     for (i = 0; i < cols; i++)
 655     {
 656         wxDataViewColumn *col = GetOwner()->GetColumn( i );
 657         width += col->GetWidth();
 658     }
 659
 660     int height = model->GetNumberOfRows() * m_lineHeight;
 661
 662     SetVirtualSize( width, height );
 663     GetOwner()->SetScrollRate( 10, m_lineHeight );
 664
 665     Refresh();
 666 }
 667
 668 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
 669 {
 670     wxWindow::ScrollWindow( dx, dy, rect );
 671     GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
 672 }
 673
 674 void wxDataViewMainWindow::OnPaint( wxPaintEvent &event )
 675 {
 676     wxPaintDC dc( this );
 677
 678     GetOwner()->PrepareDC( dc );
 679
 680     dc.SetFont( GetFont() );
 681
 682     wxRect update = GetUpdateRegion().GetBox();
 683     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
 684
 685     wxDataViewListModel *model = GetOwner()->GetModel();
 686
 687     size_t item_start = update.y / m_lineHeight;
 688     size_t item_count = (update.height / m_lineHeight) + 1;
 689
 690     wxRect cell_rect;
 691     cell_rect.x = 0;
 692     cell_rect.height = m_lineHeight;
 693     size_t cols = GetOwner()->GetNumberOfColumns();
 694     size_t i;
 695     for (i = 0; i < cols; i++)
 696     {
 697         wxDataViewColumn *col = GetOwner()->GetColumn( i );
 698         wxDataViewCell *cell = col->GetCell();
 699         cell_rect.width = col->GetWidth();
 700
 701         size_t item;
 702         for (item = item_start; item <= item_start+item_count; item++)
 703         {
 704             cell_rect.y = item*m_lineHeight;
 705             wxVariant value;
 706             model->GetValue( value, col->GetModelColumn(), item );
 707             cell->SetValue( value );
 708             wxSize size = cell->GetSize();
 709             // cannot be bigger than allocated space
 710             size.x = wxMin( size.x, cell_rect.width );
 711             size.y = wxMin( size.y, cell_rect.height );
 712             // TODO: check for left/right/centre alignment here
 713             wxRect item_rect;
 714             // for now: centre
 715             item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
 716             item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
 717
 718             item_rect.width = size.x;
 719             item_rect.height= size.y;
 720             cell->Render( item_rect, &dc, 0 );
 721         }
 722
 723         cell_rect.x += cell_rect.width;
 724     }
 725 }
 726
 727 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 728 {
 729     int x = event.GetX();
 730     int y = event.GetY();
 731     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
 732
 733     wxDataViewColumn *col = NULL;
 734
 735     int xpos = 0;
 736     size_t cols = GetOwner()->GetNumberOfColumns();
 737     size_t i;
 738     for (i = 0; i < cols; i++)
 739     {
 740         wxDataViewColumn *c = GetOwner()->GetColumn( i );
 741         if (x < xpos + c->GetWidth())
 742         {
 743             col = c;
 744             break;
 745         }
 746         xpos += c->GetWidth();
 747     }
 748     if (!col)
 749         return;
 750     wxDataViewCell *cell = col->GetCell();
 751
 752     size_t row = y / m_lineHeight;
 753
 754     wxDataViewListModel *model = GetOwner()->GetModel();
 755
 756     if (event.LeftDClick())
 757     {
 758         if (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE)
 759         {
 760             wxVariant value;
 761             model->GetValue( value, col->GetModelColumn(), row );
 762             cell->SetValue( value );
 763             wxRect cell_rect( xpos, row * m_lineHeight, col->GetWidth(), m_lineHeight );
 764             cell->Activate( cell_rect, model, col->GetModelColumn(), row );
 765         }
 766
 767         return;
 768     }
 769
 770     event.Skip();
 771 }
 772
 773 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
 774 {
 775     event.Skip();
 776 }
 777
 778 //-----------------------------------------------------------------------------
 779 // wxDataViewCtrl
 780 //-----------------------------------------------------------------------------
 781
 782 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
 783
 784 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
 785     EVT_SIZE(wxDataViewCtrl::OnSize)
 786 END_EVENT_TABLE()
 787
 788 wxDataViewCtrl::~wxDataViewCtrl()
 789 {
 790     if (m_notifier)
 791         GetModel()->RemoveNotifier( m_notifier );
 792 }
 793
 794 void wxDataViewCtrl::Init()
 795 {
 796     m_notifier = NULL;
 797 }
 798
 799 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
 800            const wxPoint& pos, const wxSize& size,
 801            long style, const wxValidator& validator )
 802 {
 803     if (!wxControl::Create( parent, id, pos, size, style | wxScrolledWindowStyle|wxSUNKEN_BORDER, validator))
 804         return false;
 805
 806     Init();
 807
 808 #ifdef __WXMAC__
 809     MacSetClipChildren( true ) ;
 810 #endif
 811
 812     m_clientArea = new wxDataViewMainWindow( this, -1 );
 813     m_headerArea = new wxDataViewHeaderWindow( this, -1, wxDefaultPosition, wxSize(-1,25) );
 814
 815     SetTargetWindow( m_clientArea );
 816
 817     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
 818     sizer->Add( m_headerArea, 0, wxGROW );
 819     sizer->Add( m_clientArea, 1, wxGROW );
 820     SetSizer( sizer );
 821
 822     return true;
 823 }
 824
 825 #ifdef __WXMSW__
 826 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
 827                                        WXWPARAM wParam,
 828                                        WXLPARAM lParam)
 829 {
 830     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
 831
 832 #ifndef __WXWINCE__
 833     // we need to process arrows ourselves for scrolling
 834     if ( nMsg == WM_GETDLGCODE )
 835     {
 836         rc |= DLGC_WANTARROWS;
 837     }
 838 #endif
 839
 840     return rc;
 841 }
 842 #endif
 843
 844 void wxDataViewCtrl::OnSize( wxSizeEvent &event )
 845 {
 846     // We need to override OnSize so that our scrolled
 847     // window a) does call Layout() to use sizers for
 848     // positioning the controls but b) does not query
 849     // the sizer for their size and use that for setting
 850     // the scrollable area as set that ourselves by
 851     // calling SetScrollbar() further down.
 852
 853     Layout();
 854
 855     AdjustScrollbars();
 856 }
 857
 858 bool wxDataViewCtrl::AssociateModel( wxDataViewListModel *model )
 859 {
 860     if (!wxDataViewCtrlBase::AssociateModel( model ))
 861         return false;
 862
 863     m_notifier = new wxGenericDataViewListModelNotifier( m_clientArea );
 864
 865     model->AddNotifier( m_notifier );
 866
 867     m_clientArea->UpdateDisplay();
 868
 869     return true;
 870 }
 871
 872 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
 873 {
 874     if (!wxDataViewCtrlBase::AppendColumn(col))
 875         return false;
 876
 877     m_clientArea->UpdateDisplay();
 878
 879     return true;
 880 }
 881
 882 #endif
 883     // !wxUSE_GENERICDATAVIEWCTRL
 884
 885 #endif
 886     // wxUSE_DATAVIEWCTRL
 887