src/generic/gridctrl.cpp

   1 ///////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/gridctrl.cpp
   3 // Purpose:     wxGrid controls
   4 // Author:      Paul Gammans, Roger Gammans
   5 // Modified by:
   6 // Created:     11/04/2001
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) The Computer Surgery (paul@compsurg.co.uk)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GRID
  19
  20 #include "wx/generic/gridctrl.h"
  21 #include "wx/generic/grideditors.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/textctrl.h"
  25     #include "wx/dc.h"
  26     #include "wx/combobox.h"
  27     #include "wx/settings.h"
  28     #include "wx/log.h"
  29     #include "wx/checkbox.h"
  30 #endif // WX_PRECOMP
  31
  32 #include "wx/tokenzr.h"
  33 #include "wx/renderer.h"
  34
  35
  36 // ----------------------------------------------------------------------------
  37 // wxGridCellRenderer
  38 // ----------------------------------------------------------------------------
  39
  40 void wxGridCellRenderer::Draw(wxGrid& grid,
  41                               wxGridCellAttr& attr,
  42                               wxDC& dc,
  43                               const wxRect& rect,
  44                               int WXUNUSED(row), int WXUNUSED(col),
  45                               bool isSelected)
  46 {
  47     dc.SetBackgroundMode( wxBRUSHSTYLE_SOLID );
  48
  49     wxColour clr;
  50     if ( grid.IsThisEnabled() )
  51     {
  52         if ( isSelected )
  53         {
  54             if ( grid.HasFocus() )
  55                 clr = grid.GetSelectionBackground();
  56             else
  57                 clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
  58         }
  59         else
  60         {
  61             clr = attr.GetBackgroundColour();
  62         }
  63     }
  64     else // grey out fields if the grid is disabled
  65     {
  66         clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
  67     }
  68
  69     dc.SetBrush(clr);
  70     dc.SetPen( *wxTRANSPARENT_PEN );
  71     dc.DrawRectangle(rect);
  72 }
  73
  74
  75 // ----------------------------------------------------------------------------
  76 // wxGridCellDateTimeRenderer
  77 // ----------------------------------------------------------------------------
  78
  79 #if wxUSE_DATETIME
  80
  81 // Enables a grid cell to display a formatted date and or time
  82
  83 wxGridCellDateTimeRenderer::wxGridCellDateTimeRenderer(const wxString& outformat, const wxString& informat)
  84 {
  85     m_iformat = informat;
  86     m_oformat = outformat;
  87     m_tz = wxDateTime::Local;
  88     m_dateDef = wxDefaultDateTime;
  89 }
  90
  91 wxGridCellRenderer *wxGridCellDateTimeRenderer::Clone() const
  92 {
  93     wxGridCellDateTimeRenderer *renderer = new wxGridCellDateTimeRenderer;
  94     renderer->m_iformat = m_iformat;
  95     renderer->m_oformat = m_oformat;
  96     renderer->m_dateDef = m_dateDef;
  97     renderer->m_tz = m_tz;
  98
  99     return renderer;
 100 }
 101
 102 wxString wxGridCellDateTimeRenderer::GetString(const wxGrid& grid, int row, int col)
 103 {
 104     wxGridTableBase *table = grid.GetTable();
 105
 106     bool hasDatetime = false;
 107     wxDateTime val;
 108     wxString text;
 109     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_DATETIME) )
 110     {
 111         void * tempval = table->GetValueAsCustom(row, col,wxGRID_VALUE_DATETIME);
 112
 113         if (tempval)
 114         {
 115             val = *((wxDateTime *)tempval);
 116             hasDatetime = true;
 117             delete (wxDateTime *)tempval;
 118         }
 119
 120     }
 121
 122     if (!hasDatetime )
 123     {
 124         text = table->GetValue(row, col);
 125         const char * const end = val.ParseFormat(text, m_iformat, m_dateDef);
 126         hasDatetime = end && !*end;
 127     }
 128
 129     if ( hasDatetime )
 130         text = val.Format(m_oformat, m_tz );
 131
 132     // If we failed to parse string just show what we where given?
 133     return text;
 134 }
 135
 136 void wxGridCellDateTimeRenderer::Draw(wxGrid& grid,
 137                                    wxGridCellAttr& attr,
 138                                    wxDC& dc,
 139                                    const wxRect& rectCell,
 140                                    int row, int col,
 141                                    bool isSelected)
 142 {
 143     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
 144
 145     SetTextColoursAndFont(grid, attr, dc, isSelected);
 146
 147     // draw the text right aligned by default
 148     int hAlign = wxALIGN_RIGHT,
 149         vAlign = wxALIGN_INVALID;
 150     attr.GetNonDefaultAlignment(&hAlign, &vAlign);
 151
 152     wxRect rect = rectCell;
 153     rect.Inflate(-1);
 154
 155     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
 156 }
 157
 158 wxSize wxGridCellDateTimeRenderer::GetBestSize(wxGrid& grid,
 159                                             wxGridCellAttr& attr,
 160                                             wxDC& dc,
 161                                             int row, int col)
 162 {
 163     return DoGetBestSize(attr, dc, GetString(grid, row, col));
 164 }
 165
 166 void wxGridCellDateTimeRenderer::SetParameters(const wxString& params)
 167 {
 168     if (!params.empty())
 169         m_oformat=params;
 170 }
 171
 172 #endif // wxUSE_DATETIME
 173
 174 // ----------------------------------------------------------------------------
 175 // wxGridCellChoiceNumberRenderer
 176 // ----------------------------------------------------------------------------
 177 // Renders a number as a textual equivalent.
 178 // eg data in cell is 0,1,2 ... n the cell could be rendered as "John","Fred"..."Bob"
 179
 180
 181 wxGridCellEnumRenderer::wxGridCellEnumRenderer(const wxString& choices)
 182 {
 183     if (!choices.empty())
 184         SetParameters(choices);
 185 }
 186
 187 wxGridCellRenderer *wxGridCellEnumRenderer::Clone() const
 188 {
 189     wxGridCellEnumRenderer *renderer = new wxGridCellEnumRenderer;
 190     renderer->m_choices = m_choices;
 191     return renderer;
 192 }
 193
 194 wxString wxGridCellEnumRenderer::GetString(const wxGrid& grid, int row, int col)
 195 {
 196     wxGridTableBase *table = grid.GetTable();
 197     wxString text;
 198     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 199     {
 200         int choiceno = table->GetValueAsLong(row, col);
 201         text.Printf(wxT("%s"), m_choices[ choiceno ].c_str() );
 202     }
 203     else
 204     {
 205         text = table->GetValue(row, col);
 206     }
 207
 208
 209     //If we faild to parse string just show what we where given?
 210     return text;
 211 }
 212
 213 void wxGridCellEnumRenderer::Draw(wxGrid& grid,
 214                                    wxGridCellAttr& attr,
 215                                    wxDC& dc,
 216                                    const wxRect& rectCell,
 217                                    int row, int col,
 218                                    bool isSelected)
 219 {
 220     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
 221
 222     SetTextColoursAndFont(grid, attr, dc, isSelected);
 223
 224     // draw the text right aligned by default
 225     int hAlign = wxALIGN_RIGHT,
 226         vAlign = wxALIGN_INVALID;
 227     attr.GetNonDefaultAlignment(&hAlign, &vAlign);
 228
 229     wxRect rect = rectCell;
 230     rect.Inflate(-1);
 231
 232     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
 233 }
 234
 235 wxSize wxGridCellEnumRenderer::GetBestSize(wxGrid& grid,
 236                                             wxGridCellAttr& attr,
 237                                             wxDC& dc,
 238                                             int row, int col)
 239 {
 240     return DoGetBestSize(attr, dc, GetString(grid, row, col));
 241 }
 242
 243 void wxGridCellEnumRenderer::SetParameters(const wxString& params)
 244 {
 245     if ( !params )
 246     {
 247         // what can we do?
 248         return;
 249     }
 250
 251     m_choices.Empty();
 252
 253     wxStringTokenizer tk(params, wxT(','));
 254     while ( tk.HasMoreTokens() )
 255     {
 256         m_choices.Add(tk.GetNextToken());
 257     }
 258 }
 259
 260
 261 // ----------------------------------------------------------------------------
 262 // wxGridCellAutoWrapStringRenderer
 263 // ----------------------------------------------------------------------------
 264
 265
 266 void
 267 wxGridCellAutoWrapStringRenderer::Draw(wxGrid& grid,
 268                       wxGridCellAttr& attr,
 269                       wxDC& dc,
 270                       const wxRect& rectCell,
 271                       int row, int col,
 272                       bool isSelected) {
 273
 274
 275     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
 276
 277     // now we only have to draw the text
 278     SetTextColoursAndFont(grid, attr, dc, isSelected);
 279
 280     int horizAlign, vertAlign;
 281     attr.GetAlignment(&horizAlign, &vertAlign);
 282
 283     wxRect rect = rectCell;
 284     rect.Inflate(-1);
 285
 286     grid.DrawTextRectangle(dc, GetTextLines(grid,dc,attr,rect,row,col),
 287                            rect, horizAlign, vertAlign);
 288 }
 289
 290
 291 wxArrayString
 292 wxGridCellAutoWrapStringRenderer::GetTextLines(wxGrid& grid,
 293                                                wxDC& dc,
 294                                                const wxGridCellAttr& attr,
 295                                                const wxRect& rect,
 296                                                int row, int col)
 297 {
 298     wxString  data = grid.GetCellValue(row, col);
 299
 300     wxArrayString lines;
 301     dc.SetFont(attr.GetFont());
 302
 303     //Taken from wxGrid again!
 304     wxCoord x = 0, y = 0, curr_x = 0;
 305     wxCoord max_x = rect.GetWidth();
 306
 307     dc.SetFont(attr.GetFont());
 308     wxStringTokenizer tk(data , wxT(" \n\t\r"));
 309     wxString thisline = wxEmptyString;
 310
 311     while ( tk.HasMoreTokens() )
 312     {
 313         wxString tok = tk.GetNextToken();
 314         //FIXME: this causes us to print an extra unnecesary
 315         //       space at the end of the line. But it
 316         //       is invisible , simplifies the size calculation
 317         //       and ensures tokens are separated in the display
 318         tok += wxT(" ");
 319
 320         dc.GetTextExtent(tok, &x, &y);
 321         if ( curr_x + x > max_x)
 322         {
 323             if ( curr_x == 0 )
 324             {
 325                 // this means that a single token is wider than the maximal
 326                 // width -- still use it as is as we need to show at least the
 327                 // part of it which fits
 328                 lines.Add(tok);
 329             }
 330             else
 331             {
 332                 lines.Add(thisline);
 333                 thisline = tok;
 334                 curr_x = x;
 335             }
 336         }
 337         else
 338         {
 339             thisline+= tok;
 340             curr_x += x;
 341         }
 342     }
 343     //Add last line
 344     lines.Add( wxString(thisline) );
 345
 346     return lines;
 347 }
 348
 349
 350 wxSize
 351 wxGridCellAutoWrapStringRenderer::GetBestSize(wxGrid& grid,
 352                                               wxGridCellAttr& attr,
 353                                               wxDC& dc,
 354                                               int row, int col)
 355 {
 356     wxCoord x,y, height , width = grid.GetColSize(col) -20;
 357     // for width, subtract 20 because ColSize includes a magin of 10 pixels
 358     // that we do not want here and because we always start with an increment
 359     // by 10 in the loop below.
 360     int count = 250; //Limit iterations..
 361
 362     wxRect rect(0,0,width,10);
 363
 364     // M is a nice large character 'y' gives descender!.
 365     dc.GetTextExtent(wxT("My"), &x, &y);
 366
 367     do
 368     {
 369         width+=10;
 370         rect.SetWidth(width);
 371         height = y * (wx_truncate_cast(wxCoord, GetTextLines(grid,dc,attr,rect,row,col).GetCount()));
 372         count--;
 373     // Search for a shape no taller than the golden ratio.
 374     } while (count && (width  < (height*1.68)) );
 375
 376
 377     return wxSize(width,height);
 378 }
 379
 380
 381 // ----------------------------------------------------------------------------
 382 // wxGridCellStringRenderer
 383 // ----------------------------------------------------------------------------
 384
 385 void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
 386                                                      const wxGridCellAttr& attr,
 387                                                      wxDC& dc,
 388                                                      bool isSelected)
 389 {
 390     dc.SetBackgroundMode( wxBRUSHSTYLE_TRANSPARENT );
 391
 392     // TODO some special colours for attr.IsReadOnly() case?
 393
 394     // different coloured text when the grid is disabled
 395     if ( grid.IsThisEnabled() )
 396     {
 397         if ( isSelected )
 398         {
 399             wxColour clr;
 400             if ( grid.HasFocus() )
 401                 clr = grid.GetSelectionBackground();
 402             else
 403                 clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
 404             dc.SetTextBackground( clr );
 405             dc.SetTextForeground( grid.GetSelectionForeground() );
 406         }
 407         else
 408         {
 409             dc.SetTextBackground( attr.GetBackgroundColour() );
 410             dc.SetTextForeground( attr.GetTextColour() );
 411         }
 412     }
 413     else
 414     {
 415         dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
 416         dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
 417     }
 418
 419     dc.SetFont( attr.GetFont() );
 420 }
 421
 422 wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
 423                                                wxDC& dc,
 424                                                const wxString& text)
 425 {
 426     wxCoord x = 0, y = 0, max_x = 0;
 427     dc.SetFont(attr.GetFont());
 428     wxStringTokenizer tk(text, wxT('\n'));
 429     while ( tk.HasMoreTokens() )
 430     {
 431         dc.GetTextExtent(tk.GetNextToken(), &x, &y);
 432         max_x = wxMax(max_x, x);
 433     }
 434
 435     y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
 436
 437     return wxSize(max_x, y);
 438 }
 439
 440 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
 441                                              wxGridCellAttr& attr,
 442                                              wxDC& dc,
 443                                              int row, int col)
 444 {
 445     return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
 446 }
 447
 448 void wxGridCellStringRenderer::Draw(wxGrid& grid,
 449                                     wxGridCellAttr& attr,
 450                                     wxDC& dc,
 451                                     const wxRect& rectCell,
 452                                     int row, int col,
 453                                     bool isSelected)
 454 {
 455     wxRect rect = rectCell;
 456     rect.Inflate(-1);
 457
 458     // erase only this cells background, overflow cells should have been erased
 459     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
 460
 461     int hAlign, vAlign;
 462     attr.GetAlignment(&hAlign, &vAlign);
 463
 464     int overflowCols = 0;
 465
 466     if (attr.GetOverflow())
 467     {
 468         int cols = grid.GetNumberCols();
 469         int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
 470         int cell_rows, cell_cols;
 471         attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <= 0
 472         if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
 473         {
 474             int i, c_cols, c_rows;
 475             for (i = col+cell_cols; i < cols; i++)
 476             {
 477                 bool is_empty = true;
 478                 for (int j=row; j < row + cell_rows; j++)
 479                 {
 480                     // check w/ anchor cell for multicell block
 481                     grid.GetCellSize(j, i, &c_rows, &c_cols);
 482                     if (c_rows > 0)
 483                         c_rows = 0;
 484                     if (!grid.GetTable()->IsEmptyCell(j + c_rows, i))
 485                     {
 486                         is_empty = false;
 487                         break;
 488                     }
 489                 }
 490
 491                 if (is_empty)
 492                 {
 493                     rect.width += grid.GetColSize(i);
 494                 }
 495                 else
 496                 {
 497                     i--;
 498                     break;
 499                 }
 500
 501                 if (rect.width >= best_width)
 502                     break;
 503             }
 504
 505             overflowCols = i - col - cell_cols + 1;
 506             if (overflowCols >= cols)
 507                 overflowCols = cols - 1;
 508         }
 509
 510         if (overflowCols > 0) // redraw overflow cells w/ proper hilight
 511         {
 512             hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
 513             wxRect clip = rect;
 514             clip.x += rectCell.width;
 515             // draw each overflow cell individually
 516             int col_end = col + cell_cols + overflowCols;
 517             if (col_end >= grid.GetNumberCols())
 518                 col_end = grid.GetNumberCols() - 1;
 519             for (int i = col + cell_cols; i <= col_end; i++)
 520             {
 521                 clip.width = grid.GetColSize(i) - 1;
 522                 dc.DestroyClippingRegion();
 523                 dc.SetClippingRegion(clip);
 524
 525                 SetTextColoursAndFont(grid, attr, dc,
 526                         grid.IsInSelection(row,i));
 527
 528                 grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
 529                         rect, hAlign, vAlign);
 530                 clip.x += grid.GetColSize(i) - 1;
 531             }
 532
 533             rect = rectCell;
 534             rect.Inflate(-1);
 535             rect.width++;
 536             dc.DestroyClippingRegion();
 537         }
 538     }
 539
 540     // now we only have to draw the text
 541     SetTextColoursAndFont(grid, attr, dc, isSelected);
 542
 543     grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
 544                            rect, hAlign, vAlign);
 545 }
 546
 547 // ----------------------------------------------------------------------------
 548 // wxGridCellNumberRenderer
 549 // ----------------------------------------------------------------------------
 550
 551 wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
 552 {
 553     wxGridTableBase *table = grid.GetTable();
 554     wxString text;
 555     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 556     {
 557         text.Printf(wxT("%ld"), table->GetValueAsLong(row, col));
 558     }
 559     else
 560     {
 561         text = table->GetValue(row, col);
 562     }
 563
 564     return text;
 565 }
 566
 567 void wxGridCellNumberRenderer::Draw(wxGrid& grid,
 568                                     wxGridCellAttr& attr,
 569                                     wxDC& dc,
 570                                     const wxRect& rectCell,
 571                                     int row, int col,
 572                                     bool isSelected)
 573 {
 574     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
 575
 576     SetTextColoursAndFont(grid, attr, dc, isSelected);
 577
 578     // draw the text right aligned by default
 579     int hAlign = wxALIGN_RIGHT,
 580         vAlign = wxALIGN_INVALID;
 581     attr.GetNonDefaultAlignment(&hAlign, &vAlign);
 582
 583     wxRect rect = rectCell;
 584     rect.Inflate(-1);
 585
 586     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
 587 }
 588
 589 wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
 590                                              wxGridCellAttr& attr,
 591                                              wxDC& dc,
 592                                              int row, int col)
 593 {
 594     return DoGetBestSize(attr, dc, GetString(grid, row, col));
 595 }
 596
 597 // ----------------------------------------------------------------------------
 598 // wxGridCellFloatRenderer
 599 // ----------------------------------------------------------------------------
 600
 601 wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
 602 {
 603     SetWidth(width);
 604     SetPrecision(precision);
 605 }
 606
 607 wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
 608 {
 609     wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
 610     renderer->m_width = m_width;
 611     renderer->m_precision = m_precision;
 612     renderer->m_format = m_format;
 613
 614     return renderer;
 615 }
 616
 617 wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
 618 {
 619     wxGridTableBase *table = grid.GetTable();
 620
 621     bool hasDouble;
 622     double val;
 623     wxString text;
 624     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
 625     {
 626         val = table->GetValueAsDouble(row, col);
 627         hasDouble = true;
 628     }
 629     else
 630     {
 631         text = table->GetValue(row, col);
 632         hasDouble = text.ToDouble(&val);
 633     }
 634
 635     if ( hasDouble )
 636     {
 637         if ( !m_format )
 638         {
 639             if ( m_width == -1 )
 640             {
 641                 if ( m_precision == -1 )
 642                 {
 643                     // default width/precision
 644                     m_format = wxT("%f");
 645                 }
 646                 else
 647                 {
 648                     m_format.Printf(wxT("%%.%df"), m_precision);
 649                 }
 650             }
 651             else if ( m_precision == -1 )
 652             {
 653                 // default precision
 654                 m_format.Printf(wxT("%%%d.f"), m_width);
 655             }
 656             else
 657             {
 658                 m_format.Printf(wxT("%%%d.%df"), m_width, m_precision);
 659             }
 660         }
 661
 662         text.Printf(m_format, val);
 663
 664     }
 665     //else: text already contains the string
 666
 667     return text;
 668 }
 669
 670 void wxGridCellFloatRenderer::Draw(wxGrid& grid,
 671                                    wxGridCellAttr& attr,
 672                                    wxDC& dc,
 673                                    const wxRect& rectCell,
 674                                    int row, int col,
 675                                    bool isSelected)
 676 {
 677     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
 678
 679     SetTextColoursAndFont(grid, attr, dc, isSelected);
 680
 681     // draw the text right aligned by default
 682     int hAlign = wxALIGN_RIGHT,
 683         vAlign = wxALIGN_INVALID;
 684     attr.GetNonDefaultAlignment(&hAlign, &vAlign);
 685
 686     wxRect rect = rectCell;
 687     rect.Inflate(-1);
 688
 689     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
 690 }
 691
 692 wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
 693                                             wxGridCellAttr& attr,
 694                                             wxDC& dc,
 695                                             int row, int col)
 696 {
 697     return DoGetBestSize(attr, dc, GetString(grid, row, col));
 698 }
 699
 700 void wxGridCellFloatRenderer::SetParameters(const wxString& params)
 701 {
 702     if ( !params )
 703     {
 704         // reset to defaults
 705         SetWidth(-1);
 706         SetPrecision(-1);
 707     }
 708     else
 709     {
 710         wxString tmp = params.BeforeFirst(wxT(','));
 711         if ( !tmp.empty() )
 712         {
 713             long width;
 714             if ( tmp.ToLong(&width) )
 715             {
 716                 SetWidth((int)width);
 717             }
 718             else
 719             {
 720                 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
 721             }
 722         }
 723
 724         tmp = params.AfterFirst(wxT(','));
 725         if ( !tmp.empty() )
 726         {
 727             long precision;
 728             if ( tmp.ToLong(&precision) )
 729             {
 730                 SetPrecision((int)precision);
 731             }
 732             else
 733             {
 734                 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
 735             }
 736         }
 737     }
 738 }
 739
 740 // ----------------------------------------------------------------------------
 741 // wxGridCellBoolRenderer
 742 // ----------------------------------------------------------------------------
 743
 744 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
 745
 746 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
 747                                            wxGridCellAttr& WXUNUSED(attr),
 748                                            wxDC& WXUNUSED(dc),
 749                                            int WXUNUSED(row),
 750                                            int WXUNUSED(col))
 751 {
 752     // compute it only once (no locks for MT safeness in GUI thread...)
 753     if ( !ms_sizeCheckMark.x )
 754     {
 755         ms_sizeCheckMark = wxRendererNative::Get().GetCheckBoxSize(&grid);
 756     }
 757
 758     return ms_sizeCheckMark;
 759 }
 760
 761 void wxGridCellBoolRenderer::Draw(wxGrid& grid,
 762                                   wxGridCellAttr& attr,
 763                                   wxDC& dc,
 764                                   const wxRect& rect,
 765                                   int row, int col,
 766                                   bool isSelected)
 767 {
 768     wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
 769
 770     // draw a check mark in the centre (ignoring alignment - TODO)
 771     wxSize size = GetBestSize(grid, attr, dc, row, col);
 772
 773     // don't draw outside the cell
 774     wxCoord minSize = wxMin(rect.width, rect.height);
 775     if ( size.x >= minSize || size.y >= minSize )
 776     {
 777         // and even leave (at least) 1 pixel margin
 778         size.x = size.y = minSize;
 779     }
 780
 781     // draw a border around checkmark
 782     int vAlign, hAlign;
 783     attr.GetAlignment(&hAlign, &vAlign);
 784
 785     wxRect rectBorder;
 786     if (hAlign == wxALIGN_CENTRE)
 787     {
 788         rectBorder.x = rect.x + rect.width / 2 - size.x / 2;
 789         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
 790         rectBorder.width = size.x;
 791         rectBorder.height = size.y;
 792     }
 793     else if (hAlign == wxALIGN_LEFT)
 794     {
 795         rectBorder.x = rect.x + 2;
 796         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
 797         rectBorder.width = size.x;
 798         rectBorder.height = size.y;
 799     }
 800     else if (hAlign == wxALIGN_RIGHT)
 801     {
 802         rectBorder.x = rect.x + rect.width - size.x - 2;
 803         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
 804         rectBorder.width = size.x;
 805         rectBorder.height = size.y;
 806     }
 807
 808     bool value;
 809     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
 810     {
 811         value = grid.GetTable()->GetValueAsBool(row, col);
 812     }
 813     else
 814     {
 815         wxString cellval( grid.GetTable()->GetValue(row, col) );
 816         value = wxGridCellBoolEditor::IsTrueValue(cellval);
 817     }
 818
 819     int flags = 0;
 820     if (value)
 821         flags |= wxCONTROL_CHECKED;
 822
 823     wxRendererNative::Get().DrawCheckBox( &grid, dc, rectBorder, flags );
 824 }
 825
 826 #endif // wxUSE_GRID
 827