src/generic/grideditors.cpp

   1 ///////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/grideditors.cpp
   3 // Purpose:     wxGridCellEditorEvtHandler and wxGrid editors
   4 // Author:      Michael Bedward (based on code by Julian Smart, Robin Dunn)
   5 // Modified by: Robin Dunn, Vadim Zeitlin, Santiago Palacios
   6 // Created:     1/08/1999
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Michael Bedward (mbedward@ozemail.com.au)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_GRID
  20
  21 #include "wx/grid.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25     #include "wx/dcclient.h"
  26     #include "wx/settings.h"
  27     #include "wx/log.h"
  28     #include "wx/textctrl.h"
  29     #include "wx/checkbox.h"
  30     #include "wx/combobox.h"
  31     #include "wx/intl.h"
  32     #include "wx/math.h"
  33     #include "wx/listbox.h"
  34 #endif
  35
  36 #include "wx/valnum.h"
  37 #include "wx/textfile.h"
  38 #include "wx/spinctrl.h"
  39 #include "wx/tokenzr.h"
  40 #include "wx/renderer.h"
  41 #include "wx/headerctrl.h"
  42
  43 #include "wx/generic/gridsel.h"
  44 #include "wx/generic/grideditors.h"
  45 #include "wx/generic/private/grid.h"
  46
  47 #if defined(__WXMOTIF__)
  48     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  49 #else
  50     #define WXUNUSED_MOTIF(identifier)  identifier
  51 #endif
  52
  53 #if defined(__WXGTK__)
  54     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  55 #else
  56     #define WXUNUSED_GTK(identifier)    identifier
  57 #endif
  58
  59 // Required for wxIs... functions
  60 #include <ctype.h>
  61
  62 // ============================================================================
  63 // implementation
  64 // ============================================================================
  65
  66 // ----------------------------------------------------------------------------
  67 // wxGridCellEditorEvtHandler
  68 // ----------------------------------------------------------------------------
  69
  70 void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
  71 {
  72     // Don't disable the cell if we're just starting to edit it
  73     if ( m_inSetFocus )
  74     {
  75         event.Skip();
  76         return;
  77     }
  78
  79     // accept changes
  80     m_grid->DisableCellEditControl();
  81
  82     // notice that we must not skip the event here because the call above may
  83     // delete the control which received the kill focus event in the first
  84     // place and if we pretend not having processed the event, the search for a
  85     // handler for it will continue using the now deleted object resulting in a
  86     // crash
  87 }
  88
  89 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
  90 {
  91     switch ( event.GetKeyCode() )
  92     {
  93         case WXK_ESCAPE:
  94             m_editor->Reset();
  95             m_grid->DisableCellEditControl();
  96             break;
  97
  98         case WXK_TAB:
  99             m_grid->GetEventHandler()->ProcessEvent( event );
 100             break;
 101
 102         case WXK_RETURN:
 103         case WXK_NUMPAD_ENTER:
 104             if (!m_grid->GetEventHandler()->ProcessEvent(event))
 105                 m_editor->HandleReturn(event);
 106             break;
 107
 108         default:
 109             event.Skip();
 110             break;
 111     }
 112 }
 113
 114 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
 115 {
 116     int row = m_grid->GetGridCursorRow();
 117     int col = m_grid->GetGridCursorCol();
 118     wxRect rect = m_grid->CellToRect( row, col );
 119     int cw, ch;
 120     m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
 121
 122     // if cell width is smaller than grid client area, cell is wholly visible
 123     bool wholeCellVisible = (rect.GetWidth() < cw);
 124
 125     switch ( event.GetKeyCode() )
 126     {
 127         case WXK_ESCAPE:
 128         case WXK_TAB:
 129         case WXK_RETURN:
 130         case WXK_NUMPAD_ENTER:
 131             break;
 132
 133         case WXK_HOME:
 134         {
 135             if ( wholeCellVisible )
 136             {
 137                 // no special processing needed...
 138                 event.Skip();
 139                 break;
 140             }
 141
 142             // do special processing for partly visible cell...
 143
 144             // get the widths of all cells previous to this one
 145             int colXPos = 0;
 146             for ( int i = 0; i < col; i++ )
 147             {
 148                 colXPos += m_grid->GetColSize(i);
 149             }
 150
 151             int xUnit = 1, yUnit = 1;
 152             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
 153             if (col != 0)
 154             {
 155                 m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
 156             }
 157             else
 158             {
 159                 m_grid->Scroll(colXPos / xUnit, m_grid->GetScrollPos(wxVERTICAL));
 160             }
 161             event.Skip();
 162             break;
 163         }
 164
 165         case WXK_END:
 166         {
 167             if ( wholeCellVisible )
 168             {
 169                 // no special processing needed...
 170                 event.Skip();
 171                 break;
 172             }
 173
 174             // do special processing for partly visible cell...
 175
 176             int textWidth = 0;
 177             wxString value = m_grid->GetCellValue(row, col);
 178             if ( wxEmptyString != value )
 179             {
 180                 // get width of cell CONTENTS (text)
 181                 int y;
 182                 wxFont font = m_grid->GetCellFont(row, col);
 183                 m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
 184
 185                 // try to RIGHT align the text by scrolling
 186                 int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
 187
 188                 // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
 189                 // otherwise the last part of the cell content might be hidden below the scroll bar
 190                 // FIXME: maybe there is a more suitable correction?
 191                 textWidth -= (client_right - (m_grid->GetScrollLineX() * 2));
 192                 if ( textWidth < 0 )
 193                 {
 194                     textWidth = 0;
 195                 }
 196             }
 197
 198             // get the widths of all cells previous to this one
 199             int colXPos = 0;
 200             for ( int i = 0; i < col; i++ )
 201             {
 202                 colXPos += m_grid->GetColSize(i);
 203             }
 204
 205             // and add the (modified) text width of the cell contents
 206             // as we'd like to see the last part of the cell contents
 207             colXPos += textWidth;
 208
 209             int xUnit = 1, yUnit = 1;
 210             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
 211             m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
 212             event.Skip();
 213             break;
 214         }
 215
 216         default:
 217             event.Skip();
 218             break;
 219     }
 220 }
 221
 222 // ----------------------------------------------------------------------------
 223 // wxGridCellEditor
 224 // ----------------------------------------------------------------------------
 225
 226 wxGridCellEditor::wxGridCellEditor()
 227 {
 228     m_control = NULL;
 229     m_attr = NULL;
 230 }
 231
 232 wxGridCellEditor::~wxGridCellEditor()
 233 {
 234     Destroy();
 235 }
 236
 237 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 238                               wxWindowID WXUNUSED(id),
 239                               wxEvtHandler* evtHandler)
 240 {
 241     if ( evtHandler )
 242         m_control->PushEventHandler(evtHandler);
 243 }
 244
 245 void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 246                                        wxGridCellAttr *attr)
 247 {
 248     // erase the background because we might not fill the cell
 249     wxClientDC dc(m_control->GetParent());
 250     wxGridWindow* gridWindow = wxDynamicCast(m_control->GetParent(), wxGridWindow);
 251     if (gridWindow)
 252         gridWindow->GetOwner()->PrepareDC(dc);
 253
 254     dc.SetPen(*wxTRANSPARENT_PEN);
 255     dc.SetBrush(wxBrush(attr->GetBackgroundColour()));
 256     dc.DrawRectangle(rectCell);
 257
 258     // redraw the control we just painted over
 259     m_control->Refresh();
 260 }
 261
 262 void wxGridCellEditor::Destroy()
 263 {
 264     if (m_control)
 265     {
 266         m_control->PopEventHandler( true /* delete it*/ );
 267
 268         m_control->Destroy();
 269         m_control = NULL;
 270     }
 271 }
 272
 273 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 274 {
 275     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 276
 277     m_control->Show(show);
 278
 279     if ( show )
 280     {
 281         // set the colours/fonts if we have any
 282         if ( attr )
 283         {
 284             m_colFgOld = m_control->GetForegroundColour();
 285             m_control->SetForegroundColour(attr->GetTextColour());
 286
 287             m_colBgOld = m_control->GetBackgroundColour();
 288             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 289
 290 // Workaround for GTK+1 font setting problem on some platforms
 291 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 292             m_fontOld = m_control->GetFont();
 293             m_control->SetFont(attr->GetFont());
 294 #endif
 295
 296             // can't do anything more in the base class version, the other
 297             // attributes may only be used by the derived classes
 298         }
 299     }
 300     else
 301     {
 302         // restore the standard colours fonts
 303         if ( m_colFgOld.IsOk() )
 304         {
 305             m_control->SetForegroundColour(m_colFgOld);
 306             m_colFgOld = wxNullColour;
 307         }
 308
 309         if ( m_colBgOld.IsOk() )
 310         {
 311             m_control->SetBackgroundColour(m_colBgOld);
 312             m_colBgOld = wxNullColour;
 313         }
 314
 315 // Workaround for GTK+1 font setting problem on some platforms
 316 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 317         if ( m_fontOld.IsOk() )
 318         {
 319             m_control->SetFont(m_fontOld);
 320             m_fontOld = wxNullFont;
 321         }
 322 #endif
 323     }
 324 }
 325
 326 void wxGridCellEditor::SetSize(const wxRect& rect)
 327 {
 328     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 329
 330     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 331 }
 332
 333 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 334 {
 335     event.Skip();
 336 }
 337
 338 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 339 {
 340     bool ctrl = event.ControlDown();
 341     bool alt;
 342
 343 #ifdef __WXMAC__
 344     // On the Mac the Alt key is more like shift and is used for entry of
 345     // valid characters, so check for Ctrl and Meta instead.
 346     alt = event.MetaDown();
 347 #else // !__WXMAC__
 348     alt = event.AltDown();
 349 #endif // __WXMAC__/!__WXMAC__
 350
 351     // Assume it's not a valid char if ctrl or alt is down, but if both are
 352     // down then it may be because of an AltGr key combination, so let them
 353     // through in that case.
 354     if ((ctrl || alt) && !(ctrl && alt))
 355         return false;
 356
 357 #if wxUSE_UNICODE
 358     if ( static_cast<int>(event.GetUnicodeKey()) == WXK_NONE )
 359         return false;
 360 #else
 361     if ( event.GetKeyCode() > WXK_START )
 362         return false;
 363 #endif
 364
 365     return true;
 366 }
 367
 368 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 369 {
 370     event.Skip();
 371 }
 372
 373 void wxGridCellEditor::StartingClick()
 374 {
 375 }
 376
 377 #if wxUSE_TEXTCTRL
 378
 379 // ----------------------------------------------------------------------------
 380 // wxGridCellTextEditor
 381 // ----------------------------------------------------------------------------
 382
 383 wxGridCellTextEditor::wxGridCellTextEditor()
 384 {
 385     m_maxChars = 0;
 386 }
 387
 388 void wxGridCellTextEditor::Create(wxWindow* parent,
 389                                   wxWindowID id,
 390                                   wxEvtHandler* evtHandler)
 391 {
 392     DoCreate(parent, id, evtHandler);
 393 }
 394
 395 void wxGridCellTextEditor::DoCreate(wxWindow* parent,
 396                                     wxWindowID id,
 397                                     wxEvtHandler* evtHandler,
 398                                     long style)
 399 {
 400     // Use of wxTE_RICH2 is a strange hack to work around the bug #11681: a
 401     // plain text control seems to lose its caret somehow when we hide it and
 402     // show it again for a different cell.
 403     style |= wxTE_PROCESS_ENTER | wxTE_PROCESS_TAB | wxNO_BORDER | wxTE_RICH2;
 404
 405     m_control = new wxTextCtrl(parent, id, wxEmptyString,
 406                                wxDefaultPosition, wxDefaultSize,
 407                                style);
 408
 409     // set max length allowed in the textctrl, if the parameter was set
 410     if ( m_maxChars != 0 )
 411     {
 412         Text()->SetMaxLength(m_maxChars);
 413     }
 414
 415     wxGridCellEditor::Create(parent, id, evtHandler);
 416 }
 417
 418 void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
 419                                            wxGridCellAttr * WXUNUSED(attr))
 420 {
 421     // as we fill the entire client area,
 422     // don't do anything here to minimize flicker
 423 }
 424
 425 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 426 {
 427     wxRect rect(rectOrig);
 428
 429     // Make the edit control large enough to allow for internal margins
 430     //
 431     // TODO: remove this if the text ctrl sizing is improved esp. for unix
 432     //
 433 #if defined(__WXGTK__)
 434     if (rect.x != 0)
 435     {
 436         rect.x += 1;
 437         rect.y += 1;
 438         rect.width -= 1;
 439         rect.height -= 1;
 440     }
 441 #elif defined(__WXMSW__)
 442     if ( rect.x == 0 )
 443         rect.x += 2;
 444     else
 445         rect.x += 3;
 446
 447     if ( rect.y == 0 )
 448         rect.y += 2;
 449     else
 450         rect.y += 3;
 451
 452     rect.width -= 2;
 453     rect.height -= 2;
 454 #else
 455     int extra_x = ( rect.x > 2 ) ? 2 : 1;
 456     int extra_y = ( rect.y > 2 ) ? 2 : 1;
 457
 458     #if defined(__WXMOTIF__)
 459         extra_x *= 2;
 460         extra_y *= 2;
 461     #endif
 462
 463     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 464     rect.SetTop( wxMax(0, rect.y - extra_y) );
 465     rect.SetRight( rect.GetRight() + 2 * extra_x );
 466     rect.SetBottom( rect.GetBottom() + 2 * extra_y );
 467 #endif
 468
 469     wxGridCellEditor::SetSize(rect);
 470 }
 471
 472 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 473 {
 474     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 475
 476     m_value = grid->GetTable()->GetValue(row, col);
 477
 478     DoBeginEdit(m_value);
 479 }
 480
 481 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 482 {
 483     Text()->SetValue(startValue);
 484     Text()->SetInsertionPointEnd();
 485     Text()->SetSelection(-1, -1);
 486     Text()->SetFocus();
 487 }
 488
 489 bool wxGridCellTextEditor::EndEdit(int WXUNUSED(row),
 490                                    int WXUNUSED(col),
 491                                    const wxGrid* WXUNUSED(grid),
 492                                    const wxString& WXUNUSED(oldval),
 493                                    wxString *newval)
 494 {
 495     wxCHECK_MSG( m_control, false,
 496                  "wxGridCellTextEditor must be created first!" );
 497
 498     const wxString value = Text()->GetValue();
 499     if ( value == m_value )
 500         return false;
 501
 502     m_value = value;
 503
 504     if ( newval )
 505         *newval = m_value;
 506
 507     return true;
 508 }
 509
 510 void wxGridCellTextEditor::ApplyEdit(int row, int col, wxGrid* grid)
 511 {
 512     grid->GetTable()->SetValue(row, col, m_value);
 513     m_value.clear();
 514 }
 515
 516 void wxGridCellTextEditor::Reset()
 517 {
 518     wxASSERT_MSG( m_control, "wxGridCellTextEditor must be created first!" );
 519
 520     DoReset(m_value);
 521 }
 522
 523 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 524 {
 525     Text()->SetValue(startValue);
 526     Text()->SetInsertionPointEnd();
 527 }
 528
 529 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 530 {
 531     switch ( event.GetKeyCode() )
 532     {
 533         case WXK_DELETE:
 534         case WXK_BACK:
 535             return true;
 536
 537         default:
 538             return wxGridCellEditor::IsAcceptedKey(event);
 539     }
 540 }
 541
 542 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 543 {
 544     // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
 545     // longer an appropriate way to get the character into the text control.
 546     // Do it ourselves instead.  We know that if we get this far that we have
 547     // a valid character, so not a whole lot of testing needs to be done.
 548
 549     wxTextCtrl* tc = Text();
 550     int ch;
 551
 552     bool isPrintable;
 553
 554 #if wxUSE_UNICODE
 555     ch = event.GetUnicodeKey();
 556     if ( ch != WXK_NONE )
 557         isPrintable = true;
 558     else
 559 #endif // wxUSE_UNICODE
 560     {
 561         ch = event.GetKeyCode();
 562         isPrintable = ch >= WXK_SPACE && ch < WXK_START;
 563     }
 564
 565     switch (ch)
 566     {
 567         case WXK_DELETE:
 568             // Delete the initial character when starting to edit with DELETE.
 569             tc->Remove(0, 1);
 570             break;
 571
 572         case WXK_BACK:
 573             // Delete the last character when starting to edit with BACKSPACE.
 574             {
 575                 const long pos = tc->GetLastPosition();
 576                 tc->Remove(pos - 1, pos);
 577             }
 578             break;
 579
 580         default:
 581             if ( isPrintable )
 582                 tc->WriteText(static_cast<wxChar>(ch));
 583             break;
 584     }
 585 }
 586
 587 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 588                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 589 {
 590 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 591     // wxMotif needs a little extra help...
 592     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 593     wxString s( Text()->GetValue() );
 594     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 595     Text()->SetValue(s);
 596     Text()->SetInsertionPoint( pos );
 597 #else
 598     // the other ports can handle a Return key press
 599     //
 600     event.Skip();
 601 #endif
 602 }
 603
 604 void wxGridCellTextEditor::SetParameters(const wxString& params)
 605 {
 606     if ( !params )
 607     {
 608         // reset to default
 609         m_maxChars = 0;
 610     }
 611     else
 612     {
 613         long tmp;
 614         if ( params.ToLong(&tmp) )
 615         {
 616             m_maxChars = (size_t)tmp;
 617         }
 618         else
 619         {
 620             wxLogDebug( wxT("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str() );
 621         }
 622     }
 623 }
 624
 625 // return the value in the text control
 626 wxString wxGridCellTextEditor::GetValue() const
 627 {
 628     return Text()->GetValue();
 629 }
 630
 631 // ----------------------------------------------------------------------------
 632 // wxGridCellNumberEditor
 633 // ----------------------------------------------------------------------------
 634
 635 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 636 {
 637     m_min = min;
 638     m_max = max;
 639 }
 640
 641 void wxGridCellNumberEditor::Create(wxWindow* parent,
 642                                     wxWindowID id,
 643                                     wxEvtHandler* evtHandler)
 644 {
 645 #if wxUSE_SPINCTRL
 646     if ( HasRange() )
 647     {
 648         // create a spin ctrl
 649         m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
 650                                    wxDefaultPosition, wxDefaultSize,
 651                                    wxSP_ARROW_KEYS,
 652                                    m_min, m_max);
 653
 654         wxGridCellEditor::Create(parent, id, evtHandler);
 655     }
 656     else
 657 #endif
 658     {
 659         // just a text control
 660         wxGridCellTextEditor::Create(parent, id, evtHandler);
 661
 662 #if wxUSE_VALIDATORS
 663         Text()->SetValidator(wxIntegerValidator<int>());
 664 #endif
 665     }
 666 }
 667
 668 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 669 {
 670     // first get the value
 671     wxGridTableBase *table = grid->GetTable();
 672     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 673     {
 674         m_value = table->GetValueAsLong(row, col);
 675     }
 676     else
 677     {
 678         m_value = 0;
 679         wxString sValue = table->GetValue(row, col);
 680         if (! sValue.ToLong(&m_value) && ! sValue.empty())
 681         {
 682             wxFAIL_MSG( wxT("this cell doesn't have numeric value") );
 683             return;
 684         }
 685     }
 686
 687 #if wxUSE_SPINCTRL
 688     if ( HasRange() )
 689     {
 690         Spin()->SetValue((int)m_value);
 691         Spin()->SetFocus();
 692     }
 693     else
 694 #endif
 695     {
 696         DoBeginEdit(GetString());
 697     }
 698 }
 699
 700 bool wxGridCellNumberEditor::EndEdit(int WXUNUSED(row),
 701                                      int WXUNUSED(col),
 702                                      const wxGrid* WXUNUSED(grid),
 703                                      const wxString& oldval, wxString *newval)
 704 {
 705     long value = 0;
 706     wxString text;
 707
 708 #if wxUSE_SPINCTRL
 709     if ( HasRange() )
 710     {
 711         value = Spin()->GetValue();
 712         if ( value == m_value )
 713             return false;
 714
 715         text.Printf(wxT("%ld"), value);
 716     }
 717     else // using unconstrained input
 718 #endif // wxUSE_SPINCTRL
 719     {
 720         text = Text()->GetValue();
 721         if ( text.empty() )
 722         {
 723             if ( oldval.empty() )
 724                 return false;
 725         }
 726         else // non-empty text now (maybe 0)
 727         {
 728             if ( !text.ToLong(&value) )
 729                 return false;
 730
 731             // if value == m_value == 0 but old text was "" and new one is
 732             // "0" something still did change
 733             if ( value == m_value && (value || !oldval.empty()) )
 734                 return false;
 735         }
 736     }
 737
 738     m_value = value;
 739
 740     if ( newval )
 741         *newval = text;
 742
 743     return true;
 744 }
 745
 746 void wxGridCellNumberEditor::ApplyEdit(int row, int col, wxGrid* grid)
 747 {
 748     wxGridTableBase * const table = grid->GetTable();
 749     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 750         table->SetValueAsLong(row, col, m_value);
 751     else
 752         table->SetValue(row, col, wxString::Format("%ld", m_value));
 753 }
 754
 755 void wxGridCellNumberEditor::Reset()
 756 {
 757 #if wxUSE_SPINCTRL
 758     if ( HasRange() )
 759     {
 760         Spin()->SetValue((int)m_value);
 761     }
 762     else
 763 #endif
 764     {
 765         DoReset(GetString());
 766     }
 767 }
 768
 769 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 770 {
 771     if ( wxGridCellEditor::IsAcceptedKey(event) )
 772     {
 773         int keycode = event.GetKeyCode();
 774         if ( (keycode < 128) &&
 775              (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
 776         {
 777             return true;
 778         }
 779     }
 780
 781     return false;
 782 }
 783
 784 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 785 {
 786     int keycode = event.GetKeyCode();
 787     if ( !HasRange() )
 788     {
 789         if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
 790         {
 791             wxGridCellTextEditor::StartingKey(event);
 792
 793             // skip Skip() below
 794             return;
 795         }
 796     }
 797 #if wxUSE_SPINCTRL
 798     else
 799     {
 800         if ( wxIsdigit(keycode) )
 801         {
 802             wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
 803             spin->SetValue(keycode - '0');
 804             spin->SetSelection(1,1);
 805             return;
 806         }
 807     }
 808 #endif
 809
 810     event.Skip();
 811 }
 812
 813 void wxGridCellNumberEditor::SetParameters(const wxString& params)
 814 {
 815     if ( !params )
 816     {
 817         // reset to default
 818         m_min =
 819         m_max = -1;
 820     }
 821     else
 822     {
 823         long tmp;
 824         if ( params.BeforeFirst(wxT(',')).ToLong(&tmp) )
 825         {
 826             m_min = (int)tmp;
 827
 828             if ( params.AfterFirst(wxT(',')).ToLong(&tmp) )
 829             {
 830                 m_max = (int)tmp;
 831
 832                 // skip the error message below
 833                 return;
 834             }
 835         }
 836
 837         wxLogDebug(wxT("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
 838     }
 839 }
 840
 841 // return the value in the spin control if it is there (the text control otherwise)
 842 wxString wxGridCellNumberEditor::GetValue() const
 843 {
 844     wxString s;
 845
 846 #if wxUSE_SPINCTRL
 847     if ( HasRange() )
 848     {
 849         long value = Spin()->GetValue();
 850         s.Printf(wxT("%ld"), value);
 851     }
 852     else
 853 #endif
 854     {
 855         s = Text()->GetValue();
 856     }
 857
 858     return s;
 859 }
 860
 861 // ----------------------------------------------------------------------------
 862 // wxGridCellFloatEditor
 863 // ----------------------------------------------------------------------------
 864
 865 wxGridCellFloatEditor::wxGridCellFloatEditor(int width,
 866                                              int precision,
 867                                              int format)
 868 {
 869     m_width = width;
 870     m_precision = precision;
 871     m_style = format;
 872 }
 873
 874 void wxGridCellFloatEditor::Create(wxWindow* parent,
 875                                    wxWindowID id,
 876                                    wxEvtHandler* evtHandler)
 877 {
 878     wxGridCellTextEditor::Create(parent, id, evtHandler);
 879
 880 #if wxUSE_VALIDATORS
 881     Text()->SetValidator(wxFloatingPointValidator<double>(m_precision));
 882 #endif
 883 }
 884
 885 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
 886 {
 887     // first get the value
 888     wxGridTableBase * const table = grid->GetTable();
 889     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
 890     {
 891         m_value = table->GetValueAsDouble(row, col);
 892     }
 893     else
 894     {
 895         m_value = 0.0;
 896
 897         const wxString value = table->GetValue(row, col);
 898         if ( !value.empty() )
 899         {
 900             if ( !value.ToDouble(&m_value) )
 901             {
 902                 wxFAIL_MSG( wxT("this cell doesn't have float value") );
 903                 return;
 904             }
 905         }
 906     }
 907
 908     DoBeginEdit(GetString());
 909 }
 910
 911 bool wxGridCellFloatEditor::EndEdit(int WXUNUSED(row),
 912                                     int WXUNUSED(col),
 913                                     const wxGrid* WXUNUSED(grid),
 914                                     const wxString& oldval, wxString *newval)
 915 {
 916     const wxString text(Text()->GetValue());
 917
 918     double value;
 919     if ( !text.empty() )
 920     {
 921         if ( !text.ToDouble(&value) )
 922             return false;
 923     }
 924     else // new value is empty string
 925     {
 926         if ( oldval.empty() )
 927             return false;           // nothing changed
 928
 929         value = 0.;
 930     }
 931
 932     // the test for empty strings ensures that we don't skip the value setting
 933     // when "" is replaced by "0" or vice versa as "" numeric value is also 0.
 934     if ( wxIsSameDouble(value, m_value) && !text.empty() && !oldval.empty() )
 935         return false;           // nothing changed
 936
 937     m_value = value;
 938
 939     if ( newval )
 940         *newval = text;
 941
 942     return true;
 943 }
 944
 945 void wxGridCellFloatEditor::ApplyEdit(int row, int col, wxGrid* grid)
 946 {
 947     wxGridTableBase * const table = grid->GetTable();
 948
 949     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT) )
 950         table->SetValueAsDouble(row, col, m_value);
 951     else
 952         table->SetValue(row, col, Text()->GetValue());
 953 }
 954
 955 void wxGridCellFloatEditor::Reset()
 956 {
 957     DoReset(GetString());
 958 }
 959
 960 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 961 {
 962     int keycode = event.GetKeyCode();
 963     char tmpbuf[2];
 964     tmpbuf[0] = (char) keycode;
 965     tmpbuf[1] = '\0';
 966     wxString strbuf(tmpbuf, *wxConvCurrent);
 967
 968 #if wxUSE_INTL
 969     bool is_decimal_point = ( strbuf ==
 970        wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
 971 #else
 972     bool is_decimal_point = ( strbuf == wxT(".") );
 973 #endif
 974
 975     if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
 976          || is_decimal_point )
 977     {
 978         wxGridCellTextEditor::StartingKey(event);
 979
 980         // skip Skip() below
 981         return;
 982     }
 983
 984     event.Skip();
 985 }
 986
 987 void wxGridCellFloatEditor::SetParameters(const wxString& params)
 988 {
 989     if ( !params )
 990     {
 991         // reset to default
 992         m_width =
 993         m_precision = -1;
 994         m_style = wxGRID_FLOAT_FORMAT_DEFAULT;
 995         m_format.clear();
 996     }
 997     else
 998     {
 999         wxString rest;
1000         wxString tmp = params.BeforeFirst(wxT(','), &rest);
1001         if ( !tmp.empty() )
1002         {
1003             long width;
1004             if ( tmp.ToLong(&width) )
1005             {
1006                 m_width = (int)width;
1007             }
1008             else
1009             {
1010                 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
1011             }
1012         }
1013
1014         tmp = rest.BeforeFirst(wxT(','));
1015         if ( !tmp.empty() )
1016         {
1017             long precision;
1018             if ( tmp.ToLong(&precision) )
1019             {
1020                 m_precision = (int)precision;
1021             }
1022             else
1023             {
1024                 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
1025             }
1026         }
1027
1028         tmp = rest.AfterFirst(wxT(','));
1029         if ( !tmp.empty() )
1030         {
1031             if ( tmp[0] == wxT('f') )
1032             {
1033                 m_style = wxGRID_FLOAT_FORMAT_FIXED;
1034             }
1035             else if ( tmp[0] == wxT('e') )
1036             {
1037                 m_style = wxGRID_FLOAT_FORMAT_SCIENTIFIC;
1038             }
1039             else if ( tmp[0] == wxT('g') )
1040             {
1041                 m_style = wxGRID_FLOAT_FORMAT_COMPACT;
1042             }
1043             else if ( tmp[0] == wxT('E') )
1044             {
1045                 m_style = wxGRID_FLOAT_FORMAT_SCIENTIFIC |
1046                           wxGRID_FLOAT_FORMAT_UPPER;
1047             }
1048             else if ( tmp[0] == wxT('F') )
1049             {
1050                 m_style = wxGRID_FLOAT_FORMAT_FIXED |
1051                           wxGRID_FLOAT_FORMAT_UPPER;
1052             }
1053             else if ( tmp[0] == wxT('G') )
1054             {
1055                 m_style = wxGRID_FLOAT_FORMAT_COMPACT |
1056                           wxGRID_FLOAT_FORMAT_UPPER;
1057             }
1058             else
1059             {
1060                 wxLogDebug("Invalid wxGridCellFloatRenderer format "
1061                            "parameter string '%s ignored", params);
1062             }
1063         }
1064     }
1065 }
1066
1067 wxString wxGridCellFloatEditor::GetString()
1068 {
1069     if ( !m_format )
1070     {
1071         if ( m_precision == -1 && m_width != -1)
1072         {
1073             // default precision
1074             m_format.Printf(wxT("%%%d."), m_width);
1075         }
1076         else if ( m_precision != -1 && m_width == -1)
1077         {
1078             // default width
1079             m_format.Printf(wxT("%%.%d"), m_precision);
1080         }
1081         else if ( m_precision != -1 && m_width != -1 )
1082         {
1083             m_format.Printf(wxT("%%%d.%d"), m_width, m_precision);
1084         }
1085         else
1086         {
1087             // default width/precision
1088             m_format = wxT("%");
1089         }
1090
1091         bool isUpper = (m_style & wxGRID_FLOAT_FORMAT_UPPER) != 0;
1092         if ( m_style & wxGRID_FLOAT_FORMAT_SCIENTIFIC )
1093             m_format += isUpper ? wxT('E') : wxT('e');
1094         else if ( m_style & wxGRID_FLOAT_FORMAT_COMPACT )
1095             m_format += isUpper ? wxT('G') : wxT('g');
1096         else
1097             m_format += wxT('f');
1098     }
1099
1100     return wxString::Format(m_format, m_value);
1101 }
1102
1103 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1104 {
1105     if ( wxGridCellEditor::IsAcceptedKey(event) )
1106     {
1107         const int keycode = event.GetKeyCode();
1108         if ( wxIsascii(keycode) )
1109         {
1110 #if wxUSE_INTL
1111             const wxString decimalPoint =
1112                 wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);
1113 #else
1114             const wxString decimalPoint(wxT('.'));
1115 #endif
1116
1117             // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
1118             if ( wxIsdigit(keycode) ||
1119                     tolower(keycode) == 'e' ||
1120                         keycode == decimalPoint ||
1121                             keycode == '+' ||
1122                                 keycode == '-' )
1123             {
1124                 return true;
1125             }
1126         }
1127     }
1128
1129     return false;
1130 }
1131
1132 #endif // wxUSE_TEXTCTRL
1133
1134 #if wxUSE_CHECKBOX
1135
1136 // ----------------------------------------------------------------------------
1137 // wxGridCellBoolEditor
1138 // ----------------------------------------------------------------------------
1139
1140 // the default values for GetValue()
1141 wxString wxGridCellBoolEditor::ms_stringValues[2] = { wxT(""), wxT("1") };
1142
1143 void wxGridCellBoolEditor::Create(wxWindow* parent,
1144                                   wxWindowID id,
1145                                   wxEvtHandler* evtHandler)
1146 {
1147     m_control = new wxCheckBox(parent, id, wxEmptyString,
1148                                wxDefaultPosition, wxDefaultSize,
1149                                wxNO_BORDER);
1150
1151     wxGridCellEditor::Create(parent, id, evtHandler);
1152 }
1153
1154 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1155 {
1156     bool resize = false;
1157     wxSize size = m_control->GetSize();
1158     wxCoord minSize = wxMin(r.width, r.height);
1159
1160     // check if the checkbox is not too big/small for this cell
1161     wxSize sizeBest = m_control->GetBestSize();
1162     if ( !(size == sizeBest) )
1163     {
1164         // reset to default size if it had been made smaller
1165         size = sizeBest;
1166
1167         resize = true;
1168     }
1169
1170     if ( size.x >= minSize || size.y >= minSize )
1171     {
1172         // leave 1 pixel margin
1173         size.x = size.y = minSize - 2;
1174
1175         resize = true;
1176     }
1177
1178     if ( resize )
1179     {
1180         m_control->SetSize(size);
1181     }
1182
1183     // position it in the centre of the rectangle (TODO: support alignment?)
1184
1185 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1186     // the checkbox without label still has some space to the right in wxGTK,
1187     // so shift it to the right
1188     size.x -= 8;
1189 #elif defined(__WXMSW__)
1190     // here too, but in other way
1191     size.x += 1;
1192     size.y -= 2;
1193 #endif
1194
1195     int hAlign = wxALIGN_CENTRE;
1196     int vAlign = wxALIGN_CENTRE;
1197     if (GetCellAttr())
1198         GetCellAttr()->GetAlignment(& hAlign, & vAlign);
1199
1200     int x = 0, y = 0;
1201     if (hAlign == wxALIGN_LEFT)
1202     {
1203         x = r.x + 2;
1204
1205 #ifdef __WXMSW__
1206         x += 2;
1207 #endif
1208
1209         y = r.y + r.height / 2 - size.y / 2;
1210     }
1211     else if (hAlign == wxALIGN_RIGHT)
1212     {
1213         x = r.x + r.width - size.x - 2;
1214         y = r.y + r.height / 2 - size.y / 2;
1215     }
1216     else if (hAlign == wxALIGN_CENTRE)
1217     {
1218         x = r.x + r.width / 2 - size.x / 2;
1219         y = r.y + r.height / 2 - size.y / 2;
1220     }
1221
1222     m_control->Move(x, y);
1223 }
1224
1225 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1226 {
1227     m_control->Show(show);
1228
1229     if ( show )
1230     {
1231         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1232         CBox()->SetBackgroundColour(colBg);
1233     }
1234 }
1235
1236 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1237 {
1238     wxASSERT_MSG(m_control,
1239                  wxT("The wxGridCellEditor must be created first!"));
1240
1241     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1242     {
1243         m_value = grid->GetTable()->GetValueAsBool(row, col);
1244     }
1245     else
1246     {
1247         wxString cellval( grid->GetTable()->GetValue(row, col) );
1248
1249         if ( cellval == ms_stringValues[false] )
1250             m_value = false;
1251         else if ( cellval == ms_stringValues[true] )
1252             m_value = true;
1253         else
1254         {
1255             // do not try to be smart here and convert it to true or false
1256             // because we'll still overwrite it with something different and
1257             // this risks to be very surprising for the user code, let them
1258             // know about it
1259             wxFAIL_MSG( wxT("invalid value for a cell with bool editor!") );
1260         }
1261     }
1262
1263     CBox()->SetValue(m_value);
1264     CBox()->SetFocus();
1265 }
1266
1267 bool wxGridCellBoolEditor::EndEdit(int WXUNUSED(row),
1268                                    int WXUNUSED(col),
1269                                    const wxGrid* WXUNUSED(grid),
1270                                    const wxString& WXUNUSED(oldval),
1271                                    wxString *newval)
1272 {
1273     bool value = CBox()->GetValue();
1274     if ( value == m_value )
1275         return false;
1276
1277     m_value = value;
1278
1279     if ( newval )
1280         *newval = GetValue();
1281
1282     return true;
1283 }
1284
1285 void wxGridCellBoolEditor::ApplyEdit(int row, int col, wxGrid* grid)
1286 {
1287     wxGridTableBase * const table = grid->GetTable();
1288     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_BOOL) )
1289         table->SetValueAsBool(row, col, m_value);
1290     else
1291         table->SetValue(row, col, GetValue());
1292 }
1293
1294 void wxGridCellBoolEditor::Reset()
1295 {
1296     wxASSERT_MSG(m_control,
1297                  wxT("The wxGridCellEditor must be created first!"));
1298
1299     CBox()->SetValue(m_value);
1300 }
1301
1302 void wxGridCellBoolEditor::StartingClick()
1303 {
1304     CBox()->SetValue(!CBox()->GetValue());
1305 }
1306
1307 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1308 {
1309     if ( wxGridCellEditor::IsAcceptedKey(event) )
1310     {
1311         int keycode = event.GetKeyCode();
1312         switch ( keycode )
1313         {
1314             case WXK_SPACE:
1315             case '+':
1316             case '-':
1317                 return true;
1318         }
1319     }
1320
1321     return false;
1322 }
1323
1324 void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
1325 {
1326     int keycode = event.GetKeyCode();
1327     switch ( keycode )
1328     {
1329         case WXK_SPACE:
1330             CBox()->SetValue(!CBox()->GetValue());
1331             break;
1332
1333         case '+':
1334             CBox()->SetValue(true);
1335             break;
1336
1337         case '-':
1338             CBox()->SetValue(false);
1339             break;
1340     }
1341 }
1342
1343 wxString wxGridCellBoolEditor::GetValue() const
1344 {
1345   return ms_stringValues[CBox()->GetValue()];
1346 }
1347
1348 /* static */ void
1349 wxGridCellBoolEditor::UseStringValues(const wxString& valueTrue,
1350                                       const wxString& valueFalse)
1351 {
1352     ms_stringValues[false] = valueFalse;
1353     ms_stringValues[true] = valueTrue;
1354 }
1355
1356 /* static */ bool
1357 wxGridCellBoolEditor::IsTrueValue(const wxString& value)
1358 {
1359     return value == ms_stringValues[true];
1360 }
1361
1362 #endif // wxUSE_CHECKBOX
1363
1364 #if wxUSE_COMBOBOX
1365
1366 // ----------------------------------------------------------------------------
1367 // wxGridCellChoiceEditor
1368 // ----------------------------------------------------------------------------
1369
1370 wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
1371                                                bool allowOthers)
1372     : m_choices(choices),
1373       m_allowOthers(allowOthers) { }
1374
1375 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1376                                                const wxString choices[],
1377                                                bool allowOthers)
1378                       : m_allowOthers(allowOthers)
1379 {
1380     if ( count )
1381     {
1382         m_choices.Alloc(count);
1383         for ( size_t n = 0; n < count; n++ )
1384         {
1385             m_choices.Add(choices[n]);
1386         }
1387     }
1388 }
1389
1390 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1391 {
1392     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1393     editor->m_allowOthers = m_allowOthers;
1394     editor->m_choices = m_choices;
1395
1396     return editor;
1397 }
1398
1399 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1400                                     wxWindowID id,
1401                                     wxEvtHandler* evtHandler)
1402 {
1403     int style = wxTE_PROCESS_ENTER |
1404                 wxTE_PROCESS_TAB |
1405                 wxBORDER_NONE;
1406
1407     if ( !m_allowOthers )
1408         style |= wxCB_READONLY;
1409     m_control = new wxComboBox(parent, id, wxEmptyString,
1410                                wxDefaultPosition, wxDefaultSize,
1411                                m_choices,
1412                                style);
1413
1414     wxGridCellEditor::Create(parent, id, evtHandler);
1415 }
1416
1417 void wxGridCellChoiceEditor::SetSize(const wxRect& rect)
1418 {
1419     wxASSERT_MSG(m_control,
1420                  wxT("The wxGridCellChoiceEditor must be created first!"));
1421
1422     // Check that the height is not too small to fit the combobox.
1423     wxRect rectTallEnough = rect;
1424     const wxSize bestSize = m_control->GetBestSize();
1425     const wxCoord diffY = bestSize.GetHeight() - rectTallEnough.GetHeight();
1426     if ( diffY > 0 )
1427     {
1428         // Do make it tall enough.
1429         rectTallEnough.height += diffY;
1430
1431         // Also centre the effective rectangle vertically with respect to the
1432         // original one.
1433         rectTallEnough.y -= diffY/2;
1434     }
1435     //else: The rectangle provided is already tall enough.
1436
1437     wxGridCellEditor::SetSize(rectTallEnough);
1438 }
1439
1440 void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
1441                                              wxGridCellAttr * attr)
1442 {
1443     // as we fill the entire client area, don't do anything here to minimize
1444     // flicker
1445
1446     // TODO: It doesn't actually fill the client area since the height of a
1447     // combo always defaults to the standard.  Until someone has time to
1448     // figure out the right rectangle to paint, just do it the normal way.
1449     wxGridCellEditor::PaintBackground(rectCell, attr);
1450 }
1451
1452 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1453 {
1454     wxASSERT_MSG(m_control,
1455                  wxT("The wxGridCellEditor must be created first!"));
1456
1457     wxGridCellEditorEvtHandler* evtHandler = NULL;
1458     if (m_control)
1459         evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1460
1461     // Don't immediately end if we get a kill focus event within BeginEdit
1462     if (evtHandler)
1463         evtHandler->SetInSetFocus(true);
1464
1465     m_value = grid->GetTable()->GetValue(row, col);
1466
1467     Reset(); // this updates combo box to correspond to m_value
1468
1469     Combo()->SetFocus();
1470
1471 #ifdef __WXOSX_COCOA__
1472     // This is a work around for the combobox being simply dismissed when a
1473     // choice is made in it under OS X. The bug is almost certainly due to a
1474     // problem in focus events generation logic but it's not obvious to fix and
1475     // for now this at least allows to use wxGrid.
1476     Combo()->Popup();
1477 #endif
1478
1479     if (evtHandler)
1480     {
1481         // When dropping down the menu, a kill focus event
1482         // happens after this point, so we can't reset the flag yet.
1483 #if !defined(__WXGTK20__)
1484         evtHandler->SetInSetFocus(false);
1485 #endif
1486     }
1487 }
1488
1489 bool wxGridCellChoiceEditor::EndEdit(int WXUNUSED(row),
1490                                      int WXUNUSED(col),
1491                                      const wxGrid* WXUNUSED(grid),
1492                                      const wxString& WXUNUSED(oldval),
1493                                      wxString *newval)
1494 {
1495     const wxString value = Combo()->GetValue();
1496     if ( value == m_value )
1497         return false;
1498
1499     m_value = value;
1500
1501     if ( newval )
1502         *newval = value;
1503
1504     return true;
1505 }
1506
1507 void wxGridCellChoiceEditor::ApplyEdit(int row, int col, wxGrid* grid)
1508 {
1509     grid->GetTable()->SetValue(row, col, m_value);
1510 }
1511
1512 void wxGridCellChoiceEditor::Reset()
1513 {
1514     if (m_allowOthers)
1515     {
1516         Combo()->SetValue(m_value);
1517         Combo()->SetInsertionPointEnd();
1518     }
1519     else // the combobox is read-only
1520     {
1521         // find the right position, or default to the first if not found
1522         int pos = Combo()->FindString(m_value);
1523         if (pos == wxNOT_FOUND)
1524             pos = 0;
1525         Combo()->SetSelection(pos);
1526     }
1527 }
1528
1529 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1530 {
1531     if ( !params )
1532     {
1533         // what can we do?
1534         return;
1535     }
1536
1537     m_choices.Empty();
1538
1539     wxStringTokenizer tk(params, wxT(','));
1540     while ( tk.HasMoreTokens() )
1541     {
1542         m_choices.Add(tk.GetNextToken());
1543     }
1544 }
1545
1546 // return the value in the text control
1547 wxString wxGridCellChoiceEditor::GetValue() const
1548 {
1549   return Combo()->GetValue();
1550 }
1551
1552 #endif // wxUSE_COMBOBOX
1553
1554 #if wxUSE_COMBOBOX
1555
1556 // ----------------------------------------------------------------------------
1557 // wxGridCellEnumEditor
1558 // ----------------------------------------------------------------------------
1559
1560 // A cell editor which displays an enum number as a textual equivalent. eg
1561 // data in cell is 0,1,2 ... n the cell could be displayed as
1562 // "John","Fred"..."Bob" in the combo choice box
1563
1564 wxGridCellEnumEditor::wxGridCellEnumEditor(const wxString& choices)
1565                      :wxGridCellChoiceEditor()
1566 {
1567     m_index = -1;
1568
1569     if (!choices.empty())
1570         SetParameters(choices);
1571 }
1572
1573 wxGridCellEditor *wxGridCellEnumEditor::Clone() const
1574 {
1575     wxGridCellEnumEditor *editor = new wxGridCellEnumEditor();
1576     editor->m_index = m_index;
1577     return editor;
1578 }
1579
1580 void wxGridCellEnumEditor::BeginEdit(int row, int col, wxGrid* grid)
1581 {
1582     wxASSERT_MSG(m_control,
1583                  wxT("The wxGridCellEnumEditor must be Created first!"));
1584
1585     wxGridTableBase *table = grid->GetTable();
1586
1587     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1588     {
1589         m_index = table->GetValueAsLong(row, col);
1590     }
1591     else
1592     {
1593         wxString startValue = table->GetValue(row, col);
1594         if (startValue.IsNumber() && !startValue.empty())
1595         {
1596             startValue.ToLong(&m_index);
1597         }
1598         else
1599         {
1600             m_index = -1;
1601         }
1602     }
1603
1604     Combo()->SetSelection(m_index);
1605     Combo()->SetFocus();
1606
1607 }
1608
1609 bool wxGridCellEnumEditor::EndEdit(int WXUNUSED(row),
1610                                    int WXUNUSED(col),
1611                                    const wxGrid* WXUNUSED(grid),
1612                                    const wxString& WXUNUSED(oldval),
1613                                    wxString *newval)
1614 {
1615     long idx = Combo()->GetSelection();
1616     if ( idx == m_index )
1617         return false;
1618
1619     m_index = idx;
1620
1621     if ( newval )
1622         newval->Printf("%ld", m_index);
1623
1624     return true;
1625 }
1626
1627 void wxGridCellEnumEditor::ApplyEdit(int row, int col, wxGrid* grid)
1628 {
1629     wxGridTableBase * const table = grid->GetTable();
1630     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1631         table->SetValueAsLong(row, col, m_index);
1632     else
1633         table->SetValue(row, col, wxString::Format("%ld", m_index));
1634 }
1635
1636 #endif // wxUSE_COMBOBOX
1637
1638 // ----------------------------------------------------------------------------
1639 // wxGridCellAutoWrapStringEditor
1640 // ----------------------------------------------------------------------------
1641
1642 void
1643 wxGridCellAutoWrapStringEditor::Create(wxWindow* parent,
1644                                        wxWindowID id,
1645                                        wxEvtHandler* evtHandler)
1646 {
1647     wxGridCellTextEditor::DoCreate(parent, id, evtHandler,
1648                                     wxTE_MULTILINE | wxTE_RICH);
1649 }
1650
1651
1652 #endif // wxUSE_GRID