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 #ifdef __WXOSX__
  60 #include "wx/osx/private.h"
  61 #endif
  62
  63 // Required for wxIs... functions
  64 #include <ctype.h>
  65
  66 // ============================================================================
  67 // implementation
  68 // ============================================================================
  69
  70 wxDEFINE_EVENT( wxEVT_GRID_HIDE_EDITOR, wxCommandEvent );
  71
  72 // ----------------------------------------------------------------------------
  73 // wxGridCellEditorEvtHandler
  74 // ----------------------------------------------------------------------------
  75
  76 void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
  77 {
  78     // We must let the native control have this event so in any case don't mark
  79     // it as handled, otherwise various weird problems can happen (see #11681).
  80     event.Skip();
  81
  82     // Don't disable the cell if we're just starting to edit it
  83     if (m_inSetFocus)
  84         return;
  85
  86     // Tell the grid to dismiss the control but don't do it immediately as it
  87     // could result in the editor being destroyed right now and a crash in the
  88     // code searching for the next event handler, so post an event asking the
  89     // grid to do it slightly later instead.
  90
  91     // FIXME-VC6: Once we drop support for VC6, we should use a simpler
  92     //            m_grid->CallAfter(&wxGrid::DisableCellEditControl) and get
  93     //            rid of wxEVT_GRID_HIDE_EDITOR entirely.
  94     m_grid->GetEventHandler()->
  95         AddPendingEvent(wxCommandEvent(wxEVT_GRID_HIDE_EDITOR));
  96 }
  97
  98 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
  99 {
 100     switch ( event.GetKeyCode() )
 101     {
 102         case WXK_ESCAPE:
 103             m_editor->Reset();
 104             m_grid->DisableCellEditControl();
 105             break;
 106
 107         case WXK_TAB:
 108             m_grid->GetEventHandler()->ProcessEvent( event );
 109             break;
 110
 111         case WXK_RETURN:
 112         case WXK_NUMPAD_ENTER:
 113             if (!m_grid->GetEventHandler()->ProcessEvent(event))
 114                 m_editor->HandleReturn(event);
 115             break;
 116
 117         default:
 118             event.Skip();
 119             break;
 120     }
 121 }
 122
 123 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
 124 {
 125     int row = m_grid->GetGridCursorRow();
 126     int col = m_grid->GetGridCursorCol();
 127     wxRect rect = m_grid->CellToRect( row, col );
 128     int cw, ch;
 129     m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
 130
 131     // if cell width is smaller than grid client area, cell is wholly visible
 132     bool wholeCellVisible = (rect.GetWidth() < cw);
 133
 134     switch ( event.GetKeyCode() )
 135     {
 136         case WXK_ESCAPE:
 137         case WXK_TAB:
 138         case WXK_RETURN:
 139         case WXK_NUMPAD_ENTER:
 140             break;
 141
 142         case WXK_HOME:
 143         {
 144             if ( wholeCellVisible )
 145             {
 146                 // no special processing needed...
 147                 event.Skip();
 148                 break;
 149             }
 150
 151             // do special processing for partly visible cell...
 152
 153             // get the widths of all cells previous to this one
 154             int colXPos = 0;
 155             for ( int i = 0; i < col; i++ )
 156             {
 157                 colXPos += m_grid->GetColSize(i);
 158             }
 159
 160             int xUnit = 1, yUnit = 1;
 161             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
 162             if (col != 0)
 163             {
 164                 m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
 165             }
 166             else
 167             {
 168                 m_grid->Scroll(colXPos / xUnit, m_grid->GetScrollPos(wxVERTICAL));
 169             }
 170             event.Skip();
 171             break;
 172         }
 173
 174         case WXK_END:
 175         {
 176             if ( wholeCellVisible )
 177             {
 178                 // no special processing needed...
 179                 event.Skip();
 180                 break;
 181             }
 182
 183             // do special processing for partly visible cell...
 184
 185             int textWidth = 0;
 186             wxString value = m_grid->GetCellValue(row, col);
 187             if ( wxEmptyString != value )
 188             {
 189                 // get width of cell CONTENTS (text)
 190                 int y;
 191                 wxFont font = m_grid->GetCellFont(row, col);
 192                 m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
 193
 194                 // try to RIGHT align the text by scrolling
 195                 int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
 196
 197                 // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
 198                 // otherwise the last part of the cell content might be hidden below the scroll bar
 199                 // FIXME: maybe there is a more suitable correction?
 200                 textWidth -= (client_right - (m_grid->GetScrollLineX() * 2));
 201                 if ( textWidth < 0 )
 202                 {
 203                     textWidth = 0;
 204                 }
 205             }
 206
 207             // get the widths of all cells previous to this one
 208             int colXPos = 0;
 209             for ( int i = 0; i < col; i++ )
 210             {
 211                 colXPos += m_grid->GetColSize(i);
 212             }
 213
 214             // and add the (modified) text width of the cell contents
 215             // as we'd like to see the last part of the cell contents
 216             colXPos += textWidth;
 217
 218             int xUnit = 1, yUnit = 1;
 219             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
 220             m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
 221             event.Skip();
 222             break;
 223         }
 224
 225         default:
 226             event.Skip();
 227             break;
 228     }
 229 }
 230
 231 // ----------------------------------------------------------------------------
 232 // wxGridCellEditor
 233 // ----------------------------------------------------------------------------
 234
 235 wxGridCellEditor::wxGridCellEditor()
 236 {
 237     m_control = NULL;
 238     m_attr = NULL;
 239 }
 240
 241 wxGridCellEditor::~wxGridCellEditor()
 242 {
 243     Destroy();
 244 }
 245
 246 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 247                               wxWindowID WXUNUSED(id),
 248                               wxEvtHandler* evtHandler)
 249 {
 250     if ( evtHandler )
 251         m_control->PushEventHandler(evtHandler);
 252 }
 253
 254 void wxGridCellEditor::PaintBackground(wxDC& dc,
 255                                        const wxRect& rectCell,
 256                                        const wxGridCellAttr& attr)
 257 {
 258     // erase the background because we might not fill the cell
 259     dc.SetPen(*wxTRANSPARENT_PEN);
 260     dc.SetBrush(wxBrush(attr.GetBackgroundColour()));
 261     dc.DrawRectangle(rectCell);
 262 }
 263
 264 void wxGridCellEditor::Destroy()
 265 {
 266     if (m_control)
 267     {
 268         m_control->PopEventHandler( true /* delete it*/ );
 269
 270         m_control->Destroy();
 271         m_control = NULL;
 272     }
 273 }
 274
 275 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 276 {
 277     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 278
 279     m_control->Show(show);
 280
 281     if ( show )
 282     {
 283         // set the colours/fonts if we have any
 284         if ( attr )
 285         {
 286             m_colFgOld = m_control->GetForegroundColour();
 287             m_control->SetForegroundColour(attr->GetTextColour());
 288
 289             m_colBgOld = m_control->GetBackgroundColour();
 290             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 291
 292 // Workaround for GTK+1 font setting problem on some platforms
 293 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 294             m_fontOld = m_control->GetFont();
 295             m_control->SetFont(attr->GetFont());
 296 #endif
 297
 298             // can't do anything more in the base class version, the other
 299             // attributes may only be used by the derived classes
 300         }
 301     }
 302     else
 303     {
 304         // restore the standard colours fonts
 305         if ( m_colFgOld.IsOk() )
 306         {
 307             m_control->SetForegroundColour(m_colFgOld);
 308             m_colFgOld = wxNullColour;
 309         }
 310
 311         if ( m_colBgOld.IsOk() )
 312         {
 313             m_control->SetBackgroundColour(m_colBgOld);
 314             m_colBgOld = wxNullColour;
 315         }
 316
 317 // Workaround for GTK+1 font setting problem on some platforms
 318 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 319         if ( m_fontOld.IsOk() )
 320         {
 321             m_control->SetFont(m_fontOld);
 322             m_fontOld = wxNullFont;
 323         }
 324 #endif
 325     }
 326 }
 327
 328 void wxGridCellEditor::SetSize(const wxRect& rect)
 329 {
 330     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 331
 332     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 333 }
 334
 335 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 336 {
 337     event.Skip();
 338 }
 339
 340 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 341 {
 342     bool ctrl = event.ControlDown();
 343     bool alt;
 344
 345 #ifdef __WXMAC__
 346     // On the Mac the Alt key is more like shift and is used for entry of
 347     // valid characters, so check for Ctrl and Meta instead.
 348     alt = event.MetaDown();
 349 #else // !__WXMAC__
 350     alt = event.AltDown();
 351 #endif // __WXMAC__/!__WXMAC__
 352
 353     // Assume it's not a valid char if ctrl or alt is down, but if both are
 354     // down then it may be because of an AltGr key combination, so let them
 355     // through in that case.
 356     if ((ctrl || alt) && !(ctrl && alt))
 357         return false;
 358
 359 #if wxUSE_UNICODE
 360     if ( static_cast<int>(event.GetUnicodeKey()) == WXK_NONE )
 361         return false;
 362 #else
 363     if ( event.GetKeyCode() > WXK_START )
 364         return false;
 365 #endif
 366
 367     return true;
 368 }
 369
 370 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 371 {
 372     event.Skip();
 373 }
 374
 375 void wxGridCellEditor::StartingClick()
 376 {
 377 }
 378
 379 #if wxUSE_TEXTCTRL
 380
 381 // ----------------------------------------------------------------------------
 382 // wxGridCellTextEditor
 383 // ----------------------------------------------------------------------------
 384
 385 wxGridCellTextEditor::wxGridCellTextEditor()
 386 {
 387     m_maxChars = 0;
 388 }
 389
 390 void wxGridCellTextEditor::Create(wxWindow* parent,
 391                                   wxWindowID id,
 392                                   wxEvtHandler* evtHandler)
 393 {
 394     DoCreate(parent, id, evtHandler);
 395 }
 396
 397 void wxGridCellTextEditor::DoCreate(wxWindow* parent,
 398                                     wxWindowID id,
 399                                     wxEvtHandler* evtHandler,
 400                                     long style)
 401 {
 402     style |= wxTE_PROCESS_ENTER | wxTE_PROCESS_TAB | wxNO_BORDER;
 403
 404     wxTextCtrl* const text = new wxTextCtrl(parent, id, wxEmptyString,
 405                                             wxDefaultPosition, wxDefaultSize,
 406                                             style);
 407     text->SetMargins(0, 0);
 408     m_control = text;
 409
 410 #ifdef __WXOSX__
 411     wxWidgetImpl* impl = m_control->GetPeer();
 412     impl->SetNeedsFocusRect(false);
 413 #endif
 414     // set max length allowed in the textctrl, if the parameter was set
 415     if ( m_maxChars != 0 )
 416     {
 417         Text()->SetMaxLength(m_maxChars);
 418     }
 419
 420     wxGridCellEditor::Create(parent, id, evtHandler);
 421 }
 422
 423 void wxGridCellTextEditor::PaintBackground(wxDC& WXUNUSED(dc),
 424                                            const wxRect& WXUNUSED(rectCell),
 425                                            const wxGridCellAttr& WXUNUSED(attr))
 426 {
 427     // as we fill the entire client area,
 428     // don't do anything here to minimize flicker
 429 }
 430
 431 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 432 {
 433     wxRect rect(rectOrig);
 434
 435     // Make the edit control large enough to allow for internal margins
 436     //
 437     // TODO: remove this if the text ctrl sizing is improved esp. for unix
 438     //
 439 #if defined(__WXGTK__)
 440     if (rect.x != 0)
 441     {
 442         rect.x += 1;
 443         rect.y += 1;
 444         rect.width -= 1;
 445         rect.height -= 1;
 446     }
 447 #elif defined(__WXMSW__)
 448     if ( rect.x == 0 )
 449         rect.x += 2;
 450     else
 451         rect.x += 3;
 452
 453     if ( rect.y == 0 )
 454         rect.y += 2;
 455     else
 456         rect.y += 3;
 457
 458     rect.width -= 2;
 459     rect.height -= 2;
 460 #elif defined(__WXOSX__)
 461     rect.x += 1;
 462     rect.y += 1;
 463
 464     rect.width -= 1;
 465     rect.height -= 1;
 466 #else
 467     int extra_x = ( rect.x > 2 ) ? 2 : 1;
 468     int extra_y = ( rect.y > 2 ) ? 2 : 1;
 469
 470     #if defined(__WXMOTIF__)
 471         extra_x *= 2;
 472         extra_y *= 2;
 473     #endif
 474
 475     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 476     rect.SetTop( wxMax(0, rect.y - extra_y) );
 477     rect.SetRight( rect.GetRight() + 2 * extra_x );
 478     rect.SetBottom( rect.GetBottom() + 2 * extra_y );
 479 #endif
 480
 481     wxGridCellEditor::SetSize(rect);
 482 }
 483
 484 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 485 {
 486     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 487
 488     m_value = grid->GetTable()->GetValue(row, col);
 489
 490     DoBeginEdit(m_value);
 491 }
 492
 493 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 494 {
 495     Text()->SetValue(startValue);
 496     Text()->SetInsertionPointEnd();
 497     Text()->SelectAll();
 498     Text()->SetFocus();
 499 }
 500
 501 bool wxGridCellTextEditor::EndEdit(int WXUNUSED(row),
 502                                    int WXUNUSED(col),
 503                                    const wxGrid* WXUNUSED(grid),
 504                                    const wxString& WXUNUSED(oldval),
 505                                    wxString *newval)
 506 {
 507     wxCHECK_MSG( m_control, false,
 508                  "wxGridCellTextEditor must be created first!" );
 509
 510     const wxString value = Text()->GetValue();
 511     if ( value == m_value )
 512         return false;
 513
 514     m_value = value;
 515
 516     if ( newval )
 517         *newval = m_value;
 518
 519     return true;
 520 }
 521
 522 void wxGridCellTextEditor::ApplyEdit(int row, int col, wxGrid* grid)
 523 {
 524     grid->GetTable()->SetValue(row, col, m_value);
 525     m_value.clear();
 526 }
 527
 528 void wxGridCellTextEditor::Reset()
 529 {
 530     wxASSERT_MSG( m_control, "wxGridCellTextEditor must be created first!" );
 531
 532     DoReset(m_value);
 533 }
 534
 535 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 536 {
 537     Text()->SetValue(startValue);
 538     Text()->SetInsertionPointEnd();
 539 }
 540
 541 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 542 {
 543     switch ( event.GetKeyCode() )
 544     {
 545         case WXK_DELETE:
 546         case WXK_BACK:
 547             return true;
 548
 549         default:
 550             return wxGridCellEditor::IsAcceptedKey(event);
 551     }
 552 }
 553
 554 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 555 {
 556     // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
 557     // longer an appropriate way to get the character into the text control.
 558     // Do it ourselves instead.  We know that if we get this far that we have
 559     // a valid character, so not a whole lot of testing needs to be done.
 560
 561     wxTextCtrl* tc = Text();
 562     int ch;
 563
 564     bool isPrintable;
 565
 566 #if wxUSE_UNICODE
 567     ch = event.GetUnicodeKey();
 568     if ( ch != WXK_NONE )
 569         isPrintable = true;
 570     else
 571 #endif // wxUSE_UNICODE
 572     {
 573         ch = event.GetKeyCode();
 574         isPrintable = ch >= WXK_SPACE && ch < WXK_START;
 575     }
 576
 577     switch (ch)
 578     {
 579         case WXK_DELETE:
 580             // Delete the initial character when starting to edit with DELETE.
 581             tc->Remove(0, 1);
 582             break;
 583
 584         case WXK_BACK:
 585             // Delete the last character when starting to edit with BACKSPACE.
 586             {
 587                 const long pos = tc->GetLastPosition();
 588                 tc->Remove(pos - 1, pos);
 589             }
 590             break;
 591
 592         default:
 593             if ( isPrintable )
 594                 tc->WriteText(static_cast<wxChar>(ch));
 595             break;
 596     }
 597 }
 598
 599 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 600                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 601 {
 602 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 603     // wxMotif needs a little extra help...
 604     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 605     wxString s( Text()->GetValue() );
 606     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 607     Text()->SetValue(s);
 608     Text()->SetInsertionPoint( pos );
 609 #else
 610     // the other ports can handle a Return key press
 611     //
 612     event.Skip();
 613 #endif
 614 }
 615
 616 void wxGridCellTextEditor::SetParameters(const wxString& params)
 617 {
 618     if ( !params )
 619     {
 620         // reset to default
 621         m_maxChars = 0;
 622     }
 623     else
 624     {
 625         long tmp;
 626         if ( params.ToLong(&tmp) )
 627         {
 628             m_maxChars = (size_t)tmp;
 629         }
 630         else
 631         {
 632             wxLogDebug( wxT("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str() );
 633         }
 634     }
 635 }
 636
 637 // return the value in the text control
 638 wxString wxGridCellTextEditor::GetValue() const
 639 {
 640     return Text()->GetValue();
 641 }
 642
 643 // ----------------------------------------------------------------------------
 644 // wxGridCellNumberEditor
 645 // ----------------------------------------------------------------------------
 646
 647 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 648 {
 649     m_min = min;
 650     m_max = max;
 651 }
 652
 653 void wxGridCellNumberEditor::Create(wxWindow* parent,
 654                                     wxWindowID id,
 655                                     wxEvtHandler* evtHandler)
 656 {
 657 #if wxUSE_SPINCTRL
 658     if ( HasRange() )
 659     {
 660         // create a spin ctrl
 661         m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
 662                                    wxDefaultPosition, wxDefaultSize,
 663                                    wxSP_ARROW_KEYS,
 664                                    m_min, m_max);
 665
 666         wxGridCellEditor::Create(parent, id, evtHandler);
 667     }
 668     else
 669 #endif
 670     {
 671         // just a text control
 672         wxGridCellTextEditor::Create(parent, id, evtHandler);
 673
 674 #if wxUSE_VALIDATORS
 675         Text()->SetValidator(wxIntegerValidator<int>());
 676 #endif
 677     }
 678 }
 679
 680 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 681 {
 682     // first get the value
 683     wxGridTableBase *table = grid->GetTable();
 684     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 685     {
 686         m_value = table->GetValueAsLong(row, col);
 687     }
 688     else
 689     {
 690         m_value = 0;
 691         wxString sValue = table->GetValue(row, col);
 692         if (! sValue.ToLong(&m_value) && ! sValue.empty())
 693         {
 694             wxFAIL_MSG( wxT("this cell doesn't have numeric value") );
 695             return;
 696         }
 697     }
 698
 699 #if wxUSE_SPINCTRL
 700     if ( HasRange() )
 701     {
 702         Spin()->SetValue((int)m_value);
 703         Spin()->SetFocus();
 704     }
 705     else
 706 #endif
 707     {
 708         DoBeginEdit(GetString());
 709     }
 710 }
 711
 712 bool wxGridCellNumberEditor::EndEdit(int WXUNUSED(row),
 713                                      int WXUNUSED(col),
 714                                      const wxGrid* WXUNUSED(grid),
 715                                      const wxString& oldval, wxString *newval)
 716 {
 717     long value = 0;
 718     wxString text;
 719
 720 #if wxUSE_SPINCTRL
 721     if ( HasRange() )
 722     {
 723         value = Spin()->GetValue();
 724         if ( value == m_value )
 725             return false;
 726
 727         text.Printf(wxT("%ld"), value);
 728     }
 729     else // using unconstrained input
 730 #endif // wxUSE_SPINCTRL
 731     {
 732         text = Text()->GetValue();
 733         if ( text.empty() )
 734         {
 735             if ( oldval.empty() )
 736                 return false;
 737         }
 738         else // non-empty text now (maybe 0)
 739         {
 740             if ( !text.ToLong(&value) )
 741                 return false;
 742
 743             // if value == m_value == 0 but old text was "" and new one is
 744             // "0" something still did change
 745             if ( value == m_value && (value || !oldval.empty()) )
 746                 return false;
 747         }
 748     }
 749
 750     m_value = value;
 751
 752     if ( newval )
 753         *newval = text;
 754
 755     return true;
 756 }
 757
 758 void wxGridCellNumberEditor::ApplyEdit(int row, int col, wxGrid* grid)
 759 {
 760     wxGridTableBase * const table = grid->GetTable();
 761     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 762         table->SetValueAsLong(row, col, m_value);
 763     else
 764         table->SetValue(row, col, wxString::Format("%ld", m_value));
 765 }
 766
 767 void wxGridCellNumberEditor::Reset()
 768 {
 769 #if wxUSE_SPINCTRL
 770     if ( HasRange() )
 771     {
 772         Spin()->SetValue((int)m_value);
 773     }
 774     else
 775 #endif
 776     {
 777         DoReset(GetString());
 778     }
 779 }
 780
 781 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 782 {
 783     if ( wxGridCellEditor::IsAcceptedKey(event) )
 784     {
 785         int keycode = event.GetKeyCode();
 786         if ( (keycode < 128) &&
 787              (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
 788         {
 789             return true;
 790         }
 791     }
 792
 793     return false;
 794 }
 795
 796 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 797 {
 798     int keycode = event.GetKeyCode();
 799     if ( !HasRange() )
 800     {
 801         if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
 802         {
 803             wxGridCellTextEditor::StartingKey(event);
 804
 805             // skip Skip() below
 806             return;
 807         }
 808     }
 809 #if wxUSE_SPINCTRL
 810     else
 811     {
 812         if ( wxIsdigit(keycode) )
 813         {
 814             wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
 815             spin->SetValue(keycode - '0');
 816             spin->SetSelection(1,1);
 817             return;
 818         }
 819     }
 820 #endif
 821
 822     event.Skip();
 823 }
 824
 825 void wxGridCellNumberEditor::SetParameters(const wxString& params)
 826 {
 827     if ( !params )
 828     {
 829         // reset to default
 830         m_min =
 831         m_max = -1;
 832     }
 833     else
 834     {
 835         long tmp;
 836         if ( params.BeforeFirst(wxT(',')).ToLong(&tmp) )
 837         {
 838             m_min = (int)tmp;
 839
 840             if ( params.AfterFirst(wxT(',')).ToLong(&tmp) )
 841             {
 842                 m_max = (int)tmp;
 843
 844                 // skip the error message below
 845                 return;
 846             }
 847         }
 848
 849         wxLogDebug(wxT("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
 850     }
 851 }
 852
 853 // return the value in the spin control if it is there (the text control otherwise)
 854 wxString wxGridCellNumberEditor::GetValue() const
 855 {
 856     wxString s;
 857
 858 #if wxUSE_SPINCTRL
 859     if ( HasRange() )
 860     {
 861         long value = Spin()->GetValue();
 862         s.Printf(wxT("%ld"), value);
 863     }
 864     else
 865 #endif
 866     {
 867         s = Text()->GetValue();
 868     }
 869
 870     return s;
 871 }
 872
 873 // ----------------------------------------------------------------------------
 874 // wxGridCellFloatEditor
 875 // ----------------------------------------------------------------------------
 876
 877 wxGridCellFloatEditor::wxGridCellFloatEditor(int width,
 878                                              int precision,
 879                                              int format)
 880 {
 881     m_width = width;
 882     m_precision = precision;
 883     m_style = format;
 884 }
 885
 886 void wxGridCellFloatEditor::Create(wxWindow* parent,
 887                                    wxWindowID id,
 888                                    wxEvtHandler* evtHandler)
 889 {
 890     wxGridCellTextEditor::Create(parent, id, evtHandler);
 891
 892 #if wxUSE_VALIDATORS
 893     Text()->SetValidator(wxFloatingPointValidator<double>(m_precision));
 894 #endif
 895 }
 896
 897 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
 898 {
 899     // first get the value
 900     wxGridTableBase * const table = grid->GetTable();
 901     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
 902     {
 903         m_value = table->GetValueAsDouble(row, col);
 904     }
 905     else
 906     {
 907         m_value = 0.0;
 908
 909         const wxString value = table->GetValue(row, col);
 910         if ( !value.empty() )
 911         {
 912             if ( !value.ToDouble(&m_value) )
 913             {
 914                 wxFAIL_MSG( wxT("this cell doesn't have float value") );
 915                 return;
 916             }
 917         }
 918     }
 919
 920     DoBeginEdit(GetString());
 921 }
 922
 923 bool wxGridCellFloatEditor::EndEdit(int WXUNUSED(row),
 924                                     int WXUNUSED(col),
 925                                     const wxGrid* WXUNUSED(grid),
 926                                     const wxString& oldval, wxString *newval)
 927 {
 928     const wxString text(Text()->GetValue());
 929
 930     double value;
 931     if ( !text.empty() )
 932     {
 933         if ( !text.ToDouble(&value) )
 934             return false;
 935     }
 936     else // new value is empty string
 937     {
 938         if ( oldval.empty() )
 939             return false;           // nothing changed
 940
 941         value = 0.;
 942     }
 943
 944     // the test for empty strings ensures that we don't skip the value setting
 945     // when "" is replaced by "0" or vice versa as "" numeric value is also 0.
 946     if ( wxIsSameDouble(value, m_value) && !text.empty() && !oldval.empty() )
 947         return false;           // nothing changed
 948
 949     m_value = value;
 950
 951     if ( newval )
 952         *newval = text;
 953
 954     return true;
 955 }
 956
 957 void wxGridCellFloatEditor::ApplyEdit(int row, int col, wxGrid* grid)
 958 {
 959     wxGridTableBase * const table = grid->GetTable();
 960
 961     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT) )
 962         table->SetValueAsDouble(row, col, m_value);
 963     else
 964         table->SetValue(row, col, Text()->GetValue());
 965 }
 966
 967 void wxGridCellFloatEditor::Reset()
 968 {
 969     DoReset(GetString());
 970 }
 971
 972 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 973 {
 974     int keycode = event.GetKeyCode();
 975     char tmpbuf[2];
 976     tmpbuf[0] = (char) keycode;
 977     tmpbuf[1] = '\0';
 978     wxString strbuf(tmpbuf, *wxConvCurrent);
 979
 980 #if wxUSE_INTL
 981     bool is_decimal_point = ( strbuf ==
 982        wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
 983 #else
 984     bool is_decimal_point = ( strbuf == wxT(".") );
 985 #endif
 986
 987     if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
 988          || is_decimal_point )
 989     {
 990         wxGridCellTextEditor::StartingKey(event);
 991
 992         // skip Skip() below
 993         return;
 994     }
 995
 996     event.Skip();
 997 }
 998
 999 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1000 {
1001     if ( !params )
1002     {
1003         // reset to default
1004         m_width =
1005         m_precision = -1;
1006         m_style = wxGRID_FLOAT_FORMAT_DEFAULT;
1007         m_format.clear();
1008     }
1009     else
1010     {
1011         wxString rest;
1012         wxString tmp = params.BeforeFirst(wxT(','), &rest);
1013         if ( !tmp.empty() )
1014         {
1015             long width;
1016             if ( tmp.ToLong(&width) )
1017             {
1018                 m_width = (int)width;
1019             }
1020             else
1021             {
1022                 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
1023             }
1024         }
1025
1026         tmp = rest.BeforeFirst(wxT(','));
1027         if ( !tmp.empty() )
1028         {
1029             long precision;
1030             if ( tmp.ToLong(&precision) )
1031             {
1032                 m_precision = (int)precision;
1033             }
1034             else
1035             {
1036                 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
1037             }
1038         }
1039
1040         tmp = rest.AfterFirst(wxT(','));
1041         if ( !tmp.empty() )
1042         {
1043             if ( tmp[0] == wxT('f') )
1044             {
1045                 m_style = wxGRID_FLOAT_FORMAT_FIXED;
1046             }
1047             else if ( tmp[0] == wxT('e') )
1048             {
1049                 m_style = wxGRID_FLOAT_FORMAT_SCIENTIFIC;
1050             }
1051             else if ( tmp[0] == wxT('g') )
1052             {
1053                 m_style = wxGRID_FLOAT_FORMAT_COMPACT;
1054             }
1055             else if ( tmp[0] == wxT('E') )
1056             {
1057                 m_style = wxGRID_FLOAT_FORMAT_SCIENTIFIC |
1058                           wxGRID_FLOAT_FORMAT_UPPER;
1059             }
1060             else if ( tmp[0] == wxT('F') )
1061             {
1062                 m_style = wxGRID_FLOAT_FORMAT_FIXED |
1063                           wxGRID_FLOAT_FORMAT_UPPER;
1064             }
1065             else if ( tmp[0] == wxT('G') )
1066             {
1067                 m_style = wxGRID_FLOAT_FORMAT_COMPACT |
1068                           wxGRID_FLOAT_FORMAT_UPPER;
1069             }
1070             else
1071             {
1072                 wxLogDebug("Invalid wxGridCellFloatRenderer format "
1073                            "parameter string '%s ignored", params);
1074             }
1075         }
1076     }
1077 }
1078
1079 wxString wxGridCellFloatEditor::GetString()
1080 {
1081     if ( !m_format )
1082     {
1083         if ( m_precision == -1 && m_width != -1)
1084         {
1085             // default precision
1086             m_format.Printf(wxT("%%%d."), m_width);
1087         }
1088         else if ( m_precision != -1 && m_width == -1)
1089         {
1090             // default width
1091             m_format.Printf(wxT("%%.%d"), m_precision);
1092         }
1093         else if ( m_precision != -1 && m_width != -1 )
1094         {
1095             m_format.Printf(wxT("%%%d.%d"), m_width, m_precision);
1096         }
1097         else
1098         {
1099             // default width/precision
1100             m_format = wxT("%");
1101         }
1102
1103         bool isUpper = (m_style & wxGRID_FLOAT_FORMAT_UPPER) != 0;
1104         if ( m_style & wxGRID_FLOAT_FORMAT_SCIENTIFIC )
1105             m_format += isUpper ? wxT('E') : wxT('e');
1106         else if ( m_style & wxGRID_FLOAT_FORMAT_COMPACT )
1107             m_format += isUpper ? wxT('G') : wxT('g');
1108         else
1109             m_format += wxT('f');
1110     }
1111
1112     return wxString::Format(m_format, m_value);
1113 }
1114
1115 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1116 {
1117     if ( wxGridCellEditor::IsAcceptedKey(event) )
1118     {
1119         const int keycode = event.GetKeyCode();
1120         if ( wxIsascii(keycode) )
1121         {
1122 #if wxUSE_INTL
1123             const wxString decimalPoint =
1124                 wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);
1125 #else
1126             const wxString decimalPoint(wxT('.'));
1127 #endif
1128
1129             // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
1130             if ( wxIsdigit(keycode) ||
1131                     tolower(keycode) == 'e' ||
1132                         keycode == decimalPoint ||
1133                             keycode == '+' ||
1134                                 keycode == '-' )
1135             {
1136                 return true;
1137             }
1138         }
1139     }
1140
1141     return false;
1142 }
1143
1144 #endif // wxUSE_TEXTCTRL
1145
1146 #if wxUSE_CHECKBOX
1147
1148 // ----------------------------------------------------------------------------
1149 // wxGridCellBoolEditor
1150 // ----------------------------------------------------------------------------
1151
1152 // the default values for GetValue()
1153 wxString wxGridCellBoolEditor::ms_stringValues[2] = { wxT(""), wxT("1") };
1154
1155 void wxGridCellBoolEditor::Create(wxWindow* parent,
1156                                   wxWindowID id,
1157                                   wxEvtHandler* evtHandler)
1158 {
1159     m_control = new wxCheckBox(parent, id, wxEmptyString,
1160                                wxDefaultPosition, wxDefaultSize,
1161                                wxNO_BORDER);
1162
1163     wxGridCellEditor::Create(parent, id, evtHandler);
1164 }
1165
1166 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1167 {
1168     bool resize = false;
1169     wxSize size = m_control->GetSize();
1170     wxCoord minSize = wxMin(r.width, r.height);
1171
1172     // check if the checkbox is not too big/small for this cell
1173     wxSize sizeBest = m_control->GetBestSize();
1174     if ( !(size == sizeBest) )
1175     {
1176         // reset to default size if it had been made smaller
1177         size = sizeBest;
1178
1179         resize = true;
1180     }
1181
1182     if ( size.x >= minSize || size.y >= minSize )
1183     {
1184         // leave 1 pixel margin
1185         size.x = size.y = minSize - 2;
1186
1187         resize = true;
1188     }
1189
1190     if ( resize )
1191     {
1192         m_control->SetSize(size);
1193     }
1194
1195     // position it in the centre of the rectangle (TODO: support alignment?)
1196
1197 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1198     // the checkbox without label still has some space to the right in wxGTK,
1199     // so shift it to the right
1200     size.x -= 8;
1201 #elif defined(__WXMSW__)
1202     // here too, but in other way
1203     size.x += 1;
1204     size.y -= 2;
1205 #endif
1206
1207     int hAlign = wxALIGN_CENTRE;
1208     int vAlign = wxALIGN_CENTRE;
1209     if (GetCellAttr())
1210         GetCellAttr()->GetAlignment(& hAlign, & vAlign);
1211
1212     int x = 0, y = 0;
1213     if (hAlign == wxALIGN_LEFT)
1214     {
1215         x = r.x + 2;
1216
1217 #ifdef __WXMSW__
1218         x += 2;
1219 #endif
1220
1221         y = r.y + r.height / 2 - size.y / 2;
1222     }
1223     else if (hAlign == wxALIGN_RIGHT)
1224     {
1225         x = r.x + r.width - size.x - 2;
1226         y = r.y + r.height / 2 - size.y / 2;
1227     }
1228     else if (hAlign == wxALIGN_CENTRE)
1229     {
1230         x = r.x + r.width / 2 - size.x / 2;
1231         y = r.y + r.height / 2 - size.y / 2;
1232     }
1233
1234     m_control->Move(x, y);
1235 }
1236
1237 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1238 {
1239     m_control->Show(show);
1240
1241     if ( show )
1242     {
1243         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1244         CBox()->SetBackgroundColour(colBg);
1245     }
1246 }
1247
1248 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1249 {
1250     wxASSERT_MSG(m_control,
1251                  wxT("The wxGridCellEditor must be created first!"));
1252
1253     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1254     {
1255         m_value = grid->GetTable()->GetValueAsBool(row, col);
1256     }
1257     else
1258     {
1259         wxString cellval( grid->GetTable()->GetValue(row, col) );
1260
1261         if ( cellval == ms_stringValues[false] )
1262             m_value = false;
1263         else if ( cellval == ms_stringValues[true] )
1264             m_value = true;
1265         else
1266         {
1267             // do not try to be smart here and convert it to true or false
1268             // because we'll still overwrite it with something different and
1269             // this risks to be very surprising for the user code, let them
1270             // know about it
1271             wxFAIL_MSG( wxT("invalid value for a cell with bool editor!") );
1272         }
1273     }
1274
1275     CBox()->SetValue(m_value);
1276     CBox()->SetFocus();
1277 }
1278
1279 bool wxGridCellBoolEditor::EndEdit(int WXUNUSED(row),
1280                                    int WXUNUSED(col),
1281                                    const wxGrid* WXUNUSED(grid),
1282                                    const wxString& WXUNUSED(oldval),
1283                                    wxString *newval)
1284 {
1285     bool value = CBox()->GetValue();
1286     if ( value == m_value )
1287         return false;
1288
1289     m_value = value;
1290
1291     if ( newval )
1292         *newval = GetValue();
1293
1294     return true;
1295 }
1296
1297 void wxGridCellBoolEditor::ApplyEdit(int row, int col, wxGrid* grid)
1298 {
1299     wxGridTableBase * const table = grid->GetTable();
1300     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_BOOL) )
1301         table->SetValueAsBool(row, col, m_value);
1302     else
1303         table->SetValue(row, col, GetValue());
1304 }
1305
1306 void wxGridCellBoolEditor::Reset()
1307 {
1308     wxASSERT_MSG(m_control,
1309                  wxT("The wxGridCellEditor must be created first!"));
1310
1311     CBox()->SetValue(m_value);
1312 }
1313
1314 void wxGridCellBoolEditor::StartingClick()
1315 {
1316     CBox()->SetValue(!CBox()->GetValue());
1317 }
1318
1319 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1320 {
1321     if ( wxGridCellEditor::IsAcceptedKey(event) )
1322     {
1323         int keycode = event.GetKeyCode();
1324         switch ( keycode )
1325         {
1326             case WXK_SPACE:
1327             case '+':
1328             case '-':
1329                 return true;
1330         }
1331     }
1332
1333     return false;
1334 }
1335
1336 void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
1337 {
1338     int keycode = event.GetKeyCode();
1339     switch ( keycode )
1340     {
1341         case WXK_SPACE:
1342             CBox()->SetValue(!CBox()->GetValue());
1343             break;
1344
1345         case '+':
1346             CBox()->SetValue(true);
1347             break;
1348
1349         case '-':
1350             CBox()->SetValue(false);
1351             break;
1352     }
1353 }
1354
1355 wxString wxGridCellBoolEditor::GetValue() const
1356 {
1357   return ms_stringValues[CBox()->GetValue()];
1358 }
1359
1360 /* static */ void
1361 wxGridCellBoolEditor::UseStringValues(const wxString& valueTrue,
1362                                       const wxString& valueFalse)
1363 {
1364     ms_stringValues[false] = valueFalse;
1365     ms_stringValues[true] = valueTrue;
1366 }
1367
1368 /* static */ bool
1369 wxGridCellBoolEditor::IsTrueValue(const wxString& value)
1370 {
1371     return value == ms_stringValues[true];
1372 }
1373
1374 #endif // wxUSE_CHECKBOX
1375
1376 #if wxUSE_COMBOBOX
1377
1378 // ----------------------------------------------------------------------------
1379 // wxGridCellChoiceEditor
1380 // ----------------------------------------------------------------------------
1381
1382 wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
1383                                                bool allowOthers)
1384     : m_choices(choices),
1385       m_allowOthers(allowOthers) { }
1386
1387 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1388                                                const wxString choices[],
1389                                                bool allowOthers)
1390                       : m_allowOthers(allowOthers)
1391 {
1392     if ( count )
1393     {
1394         m_choices.Alloc(count);
1395         for ( size_t n = 0; n < count; n++ )
1396         {
1397             m_choices.Add(choices[n]);
1398         }
1399     }
1400 }
1401
1402 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1403 {
1404     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1405     editor->m_allowOthers = m_allowOthers;
1406     editor->m_choices = m_choices;
1407
1408     return editor;
1409 }
1410
1411 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1412                                     wxWindowID id,
1413                                     wxEvtHandler* evtHandler)
1414 {
1415     int style = wxTE_PROCESS_ENTER |
1416                 wxTE_PROCESS_TAB |
1417                 wxBORDER_NONE;
1418
1419     if ( !m_allowOthers )
1420         style |= wxCB_READONLY;
1421     m_control = new wxComboBox(parent, id, wxEmptyString,
1422                                wxDefaultPosition, wxDefaultSize,
1423                                m_choices,
1424                                style);
1425
1426     wxGridCellEditor::Create(parent, id, evtHandler);
1427 }
1428
1429 void wxGridCellChoiceEditor::SetSize(const wxRect& rect)
1430 {
1431     wxASSERT_MSG(m_control,
1432                  wxT("The wxGridCellChoiceEditor must be created first!"));
1433
1434     // Check that the height is not too small to fit the combobox.
1435     wxRect rectTallEnough = rect;
1436     const wxSize bestSize = m_control->GetBestSize();
1437     const wxCoord diffY = bestSize.GetHeight() - rectTallEnough.GetHeight();
1438     if ( diffY > 0 )
1439     {
1440         // Do make it tall enough.
1441         rectTallEnough.height += diffY;
1442
1443         // Also centre the effective rectangle vertically with respect to the
1444         // original one.
1445         rectTallEnough.y -= diffY/2;
1446     }
1447     //else: The rectangle provided is already tall enough.
1448
1449     wxGridCellEditor::SetSize(rectTallEnough);
1450 }
1451
1452 void wxGridCellChoiceEditor::PaintBackground(wxDC& dc,
1453                                              const wxRect& rectCell,
1454                                              const wxGridCellAttr& attr)
1455 {
1456     // as we fill the entire client area, don't do anything here to minimize
1457     // flicker
1458
1459     // TODO: It doesn't actually fill the client area since the height of a
1460     // combo always defaults to the standard.  Until someone has time to
1461     // figure out the right rectangle to paint, just do it the normal way.
1462     wxGridCellEditor::PaintBackground(dc, rectCell, attr);
1463 }
1464
1465 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1466 {
1467     wxASSERT_MSG(m_control,
1468                  wxT("The wxGridCellEditor must be created first!"));
1469
1470     wxGridCellEditorEvtHandler* evtHandler = NULL;
1471     if (m_control)
1472         evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1473
1474     // Don't immediately end if we get a kill focus event within BeginEdit
1475     if (evtHandler)
1476         evtHandler->SetInSetFocus(true);
1477
1478     m_value = grid->GetTable()->GetValue(row, col);
1479
1480     Reset(); // this updates combo box to correspond to m_value
1481
1482     Combo()->SetFocus();
1483
1484 #ifdef __WXOSX_COCOA__
1485     // This is a work around for the combobox being simply dismissed when a
1486     // choice is made in it under OS X. The bug is almost certainly due to a
1487     // problem in focus events generation logic but it's not obvious to fix and
1488     // for now this at least allows to use wxGrid.
1489     Combo()->Popup();
1490 #endif
1491
1492     if (evtHandler)
1493     {
1494         // When dropping down the menu, a kill focus event
1495         // happens after this point, so we can't reset the flag yet.
1496 #if !defined(__WXGTK20__)
1497         evtHandler->SetInSetFocus(false);
1498 #endif
1499     }
1500 }
1501
1502 bool wxGridCellChoiceEditor::EndEdit(int WXUNUSED(row),
1503                                      int WXUNUSED(col),
1504                                      const wxGrid* WXUNUSED(grid),
1505                                      const wxString& WXUNUSED(oldval),
1506                                      wxString *newval)
1507 {
1508     const wxString value = Combo()->GetValue();
1509     if ( value == m_value )
1510         return false;
1511
1512     m_value = value;
1513
1514     if ( newval )
1515         *newval = value;
1516
1517     return true;
1518 }
1519
1520 void wxGridCellChoiceEditor::ApplyEdit(int row, int col, wxGrid* grid)
1521 {
1522     grid->GetTable()->SetValue(row, col, m_value);
1523 }
1524
1525 void wxGridCellChoiceEditor::Reset()
1526 {
1527     if (m_allowOthers)
1528     {
1529         Combo()->SetValue(m_value);
1530         Combo()->SetInsertionPointEnd();
1531     }
1532     else // the combobox is read-only
1533     {
1534         // find the right position, or default to the first if not found
1535         int pos = Combo()->FindString(m_value);
1536         if (pos == wxNOT_FOUND)
1537             pos = 0;
1538         Combo()->SetSelection(pos);
1539     }
1540 }
1541
1542 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1543 {
1544     if ( !params )
1545     {
1546         // what can we do?
1547         return;
1548     }
1549
1550     m_choices.Empty();
1551
1552     wxStringTokenizer tk(params, wxT(','));
1553     while ( tk.HasMoreTokens() )
1554     {
1555         m_choices.Add(tk.GetNextToken());
1556     }
1557 }
1558
1559 // return the value in the text control
1560 wxString wxGridCellChoiceEditor::GetValue() const
1561 {
1562   return Combo()->GetValue();
1563 }
1564
1565 #endif // wxUSE_COMBOBOX
1566
1567 #if wxUSE_COMBOBOX
1568
1569 // ----------------------------------------------------------------------------
1570 // wxGridCellEnumEditor
1571 // ----------------------------------------------------------------------------
1572
1573 // A cell editor which displays an enum number as a textual equivalent. eg
1574 // data in cell is 0,1,2 ... n the cell could be displayed as
1575 // "John","Fred"..."Bob" in the combo choice box
1576
1577 wxGridCellEnumEditor::wxGridCellEnumEditor(const wxString& choices)
1578                      :wxGridCellChoiceEditor()
1579 {
1580     m_index = -1;
1581
1582     if (!choices.empty())
1583         SetParameters(choices);
1584 }
1585
1586 wxGridCellEditor *wxGridCellEnumEditor::Clone() const
1587 {
1588     wxGridCellEnumEditor *editor = new wxGridCellEnumEditor();
1589     editor->m_index = m_index;
1590     return editor;
1591 }
1592
1593 void wxGridCellEnumEditor::BeginEdit(int row, int col, wxGrid* grid)
1594 {
1595     wxASSERT_MSG(m_control,
1596                  wxT("The wxGridCellEnumEditor must be Created first!"));
1597
1598     wxGridCellEditorEvtHandler* evtHandler = NULL;
1599     if (m_control)
1600         evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1601
1602     // Don't immediately end if we get a kill focus event within BeginEdit
1603     if (evtHandler)
1604         evtHandler->SetInSetFocus(true);
1605
1606     wxGridTableBase *table = grid->GetTable();
1607
1608     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1609     {
1610         m_index = table->GetValueAsLong(row, col);
1611     }
1612     else
1613     {
1614         wxString startValue = table->GetValue(row, col);
1615         if (startValue.IsNumber() && !startValue.empty())
1616         {
1617             startValue.ToLong(&m_index);
1618         }
1619         else
1620         {
1621             m_index = -1;
1622         }
1623     }
1624
1625     Combo()->SetSelection(m_index);
1626     Combo()->SetFocus();
1627
1628 #ifdef __WXOSX_COCOA__
1629     // This is a work around for the combobox being simply dismissed when a
1630     // choice is made in it under OS X. The bug is almost certainly due to a
1631     // problem in focus events generation logic but it's not obvious to fix and
1632     // for now this at least allows to use wxGrid.
1633     Combo()->Popup();
1634 #endif
1635
1636     if (evtHandler)
1637     {
1638         // When dropping down the menu, a kill focus event
1639         // happens after this point, so we can't reset the flag yet.
1640 #if !defined(__WXGTK20__)
1641         evtHandler->SetInSetFocus(false);
1642 #endif
1643     }
1644 }
1645
1646 bool wxGridCellEnumEditor::EndEdit(int WXUNUSED(row),
1647                                    int WXUNUSED(col),
1648                                    const wxGrid* WXUNUSED(grid),
1649                                    const wxString& WXUNUSED(oldval),
1650                                    wxString *newval)
1651 {
1652     long idx = Combo()->GetSelection();
1653     if ( idx == m_index )
1654         return false;
1655
1656     m_index = idx;
1657
1658     if ( newval )
1659         newval->Printf("%ld", m_index);
1660
1661     return true;
1662 }
1663
1664 void wxGridCellEnumEditor::ApplyEdit(int row, int col, wxGrid* grid)
1665 {
1666     wxGridTableBase * const table = grid->GetTable();
1667     if ( table->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1668         table->SetValueAsLong(row, col, m_index);
1669     else
1670         table->SetValue(row, col, wxString::Format("%ld", m_index));
1671 }
1672
1673 #endif // wxUSE_COMBOBOX
1674
1675 // ----------------------------------------------------------------------------
1676 // wxGridCellAutoWrapStringEditor
1677 // ----------------------------------------------------------------------------
1678
1679 void
1680 wxGridCellAutoWrapStringEditor::Create(wxWindow* parent,
1681                                        wxWindowID id,
1682                                        wxEvtHandler* evtHandler)
1683 {
1684     wxGridCellTextEditor::DoCreate(parent, id, evtHandler,
1685                                     wxTE_MULTILINE | wxTE_RICH);
1686 }
1687
1688
1689 #endif // wxUSE_GRID