samples/newgrid/griddemo.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        griddemo.cpp
   3 // Purpose:     Grid control wxWindows sample
   4 // Author:      Michael Bedward
   5 // Modified by:
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Michael Bedward, Julian Smart
   8 // Licence:     wxWindows license
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #ifdef __GNUG__
  20     #pragma implementation
  21     #pragma interface
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx/wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28 #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32 #include "wx/wx.h"
  33 #endif
  34
  35 #include "wx/colordlg.h"
  36
  37 #include "wx/grid.h"
  38
  39 #include "griddemo.h"
  40
  41 // ----------------------------------------------------------------------------
  42 // wxWin macros
  43 // ----------------------------------------------------------------------------
  44
  45 IMPLEMENT_APP( GridApp )
  46
  47 // ============================================================================
  48 // implementation
  49 // ============================================================================
  50
  51 // ----------------------------------------------------------------------------
  52 // GridApp
  53 // ----------------------------------------------------------------------------
  54
  55 bool GridApp::OnInit()
  56 {
  57     GridFrame *frame = new GridFrame;
  58     frame->Show( TRUE );
  59
  60     return TRUE;
  61 }
  62
  63 // ----------------------------------------------------------------------------
  64 // GridFrame
  65 // ----------------------------------------------------------------------------
  66
  67 BEGIN_EVENT_TABLE( GridFrame, wxFrame )
  68     EVT_MENU( ID_TOGGLEROWLABELS,  GridFrame::ToggleRowLabels )
  69     EVT_MENU( ID_TOGGLECOLLABELS,  GridFrame::ToggleColLabels )
  70     EVT_MENU( ID_TOGGLEEDIT, GridFrame::ToggleEditing )
  71     EVT_MENU( ID_TOGGLEROWSIZING, GridFrame::ToggleRowSizing )
  72     EVT_MENU( ID_TOGGLECOLSIZING, GridFrame::ToggleColSizing )
  73     EVT_MENU( ID_TOGGLEGRIDSIZING, GridFrame::ToggleGridSizing )
  74     EVT_MENU( ID_SETLABELCOLOUR, GridFrame::SetLabelColour )
  75     EVT_MENU( ID_SETLABELTEXTCOLOUR, GridFrame::SetLabelTextColour )
  76     EVT_MENU( ID_ROWLABELHORIZALIGN, GridFrame::SetRowLabelHorizAlignment )
  77     EVT_MENU( ID_ROWLABELVERTALIGN, GridFrame::SetRowLabelVertAlignment )
  78     EVT_MENU( ID_COLLABELHORIZALIGN, GridFrame::SetColLabelHorizAlignment )
  79     EVT_MENU( ID_COLLABELVERTALIGN, GridFrame::SetColLabelVertAlignment )
  80     EVT_MENU( ID_GRIDLINECOLOUR, GridFrame::SetGridLineColour )
  81     EVT_MENU( ID_INSERTROW, GridFrame::InsertRow )
  82     EVT_MENU( ID_INSERTCOL, GridFrame::InsertCol )
  83     EVT_MENU( ID_DELETEROW, GridFrame::DeleteSelectedRows )
  84     EVT_MENU( ID_DELETECOL, GridFrame::DeleteSelectedCols )
  85     EVT_MENU( ID_CLEARGRID, GridFrame::ClearGrid )
  86     EVT_MENU( ID_SELCELLS,  GridFrame::SelectCells )
  87     EVT_MENU( ID_SELROWS,  GridFrame::SelectRows )
  88     EVT_MENU( ID_SELCOLS,  GridFrame::SelectCols )
  89
  90     EVT_MENU( ID_SET_CELL_FG_COLOUR, GridFrame::SetCellFgColour )
  91     EVT_MENU( ID_SET_CELL_BG_COLOUR, GridFrame::SetCellBgColour )
  92
  93     EVT_MENU( ID_ABOUT, GridFrame::About )
  94     EVT_MENU( wxID_EXIT, GridFrame::OnQuit )
  95     EVT_MENU( ID_VTABLE, GridFrame::OnVTable)
  96     EVT_MENU( ID_BUGS_TABLE, GridFrame::OnBugsTable)
  97
  98     EVT_GRID_LABEL_LEFT_CLICK( GridFrame::OnLabelLeftClick )
  99     EVT_GRID_CELL_LEFT_CLICK( GridFrame::OnCellLeftClick )
 100     EVT_GRID_ROW_SIZE( GridFrame::OnRowSize )
 101     EVT_GRID_COL_SIZE( GridFrame::OnColSize )
 102     EVT_GRID_SELECT_CELL( GridFrame::OnSelectCell )
 103     EVT_GRID_RANGE_SELECT( GridFrame::OnRangeSelected )
 104     EVT_GRID_CELL_CHANGE( GridFrame::OnCellValueChanged )
 105
 106     EVT_GRID_EDITOR_SHOWN( GridFrame::OnEditorShown )
 107     EVT_GRID_EDITOR_HIDDEN( GridFrame::OnEditorHidden )
 108 END_EVENT_TABLE()
 109
 110
 111 GridFrame::GridFrame()
 112         : wxFrame( (wxFrame *)NULL, -1, "wxWindows grid class demo",
 113                    wxDefaultPosition,
 114                    wxDefaultSize )
 115 {
 116     int gridW = 600, gridH = 300;
 117     int logW = gridW, logH = 100;
 118
 119     wxMenu *fileMenu = new wxMenu;
 120     fileMenu->Append( ID_VTABLE, "&Virtual table test\tCtrl-V");
 121     fileMenu->Append( ID_BUGS_TABLE, "&Bugs table test\tCtrl-B");
 122     fileMenu->AppendSeparator();
 123     fileMenu->Append( wxID_EXIT, "E&xit\tAlt-X" );
 124
 125     wxMenu *viewMenu = new wxMenu;
 126     viewMenu->Append( ID_TOGGLEROWLABELS,  "&Row labels", "", TRUE );
 127     viewMenu->Append( ID_TOGGLECOLLABELS,  "&Col labels", "", TRUE );
 128     viewMenu->Append( ID_TOGGLEEDIT,  "&Editable", "", TRUE );
 129     viewMenu->Append( ID_TOGGLEROWSIZING, "Ro&w drag-resize", "", TRUE );
 130     viewMenu->Append( ID_TOGGLECOLSIZING, "C&ol drag-resize", "", TRUE );
 131     viewMenu->Append( ID_TOGGLEGRIDSIZING, "&Grid drag-resize", "", TRUE );
 132
 133     wxMenu *rowLabelMenu = new wxMenu;
 134
 135     viewMenu->Append( ID_ROWLABELALIGN, "R&ow label alignment",
 136                       rowLabelMenu,
 137                       "Change alignment of row labels" );
 138
 139     rowLabelMenu->Append( ID_ROWLABELHORIZALIGN, "&Horizontal" );
 140     rowLabelMenu->Append( ID_ROWLABELVERTALIGN, "&Vertical" );
 141
 142     wxMenu *colLabelMenu = new wxMenu;
 143
 144     viewMenu->Append( ID_COLLABELALIGN, "Col l&abel alignment",
 145                       colLabelMenu,
 146                       "Change alignment of col labels" );
 147
 148     colLabelMenu->Append( ID_COLLABELHORIZALIGN, "&Horizontal" );
 149     colLabelMenu->Append( ID_COLLABELVERTALIGN, "&Vertical" );
 150
 151     wxMenu *colMenu = new wxMenu;
 152     colMenu->Append( ID_SETLABELCOLOUR, "Set &label colour" );
 153     colMenu->Append( ID_SETLABELTEXTCOLOUR, "Set label &text colour" );
 154     colMenu->Append( ID_GRIDLINECOLOUR, "&Grid line colour" );
 155     colMenu->Append( ID_SET_CELL_FG_COLOUR, "Set cell &foreground colour" );
 156     colMenu->Append( ID_SET_CELL_BG_COLOUR, "Set cell &background colour" );
 157
 158     wxMenu *editMenu = new wxMenu;
 159     editMenu->Append( ID_INSERTROW, "Insert &row" );
 160     editMenu->Append( ID_INSERTCOL, "Insert &column" );
 161     editMenu->Append( ID_DELETEROW, "Delete selected ro&ws" );
 162     editMenu->Append( ID_DELETECOL, "Delete selected co&ls" );
 163     editMenu->Append( ID_CLEARGRID, "Cl&ear grid cell contents" );
 164
 165     wxMenu *selectionMenu = new wxMenu;
 166
 167     editMenu->Append( ID_CHANGESEL, "Change &selection mode",
 168                       selectionMenu,
 169                       "Change selection mode" );
 170
 171     selectionMenu->Append( ID_SELCELLS, "Select &Cells" );
 172     selectionMenu->Append( ID_SELROWS, "Select &Rows" );
 173     selectionMenu->Append( ID_SELCOLS, "Select C&ols" );
 174
 175     wxMenu *helpMenu = new wxMenu;
 176     helpMenu->Append( ID_ABOUT, "&About wxGrid demo" );
 177
 178     wxMenuBar *menuBar = new wxMenuBar;
 179     menuBar->Append( fileMenu, "&File" );
 180     menuBar->Append( viewMenu, "&View" );
 181     menuBar->Append( colMenu,  "&Colours" );
 182     menuBar->Append( editMenu, "&Edit" );
 183     menuBar->Append( helpMenu, "&Help" );
 184
 185     SetMenuBar( menuBar );
 186
 187     grid = new wxGrid( this,
 188                        -1,
 189                        wxPoint( 0, 0 ),
 190                        wxSize( 400, 300 ) );
 191
 192     logWin = new wxTextCtrl( this,
 193                              -1,
 194                              wxEmptyString,
 195                              wxPoint( 0, gridH + 20 ),
 196                              wxSize( logW, logH ),
 197                              wxTE_MULTILINE );
 198
 199     logger = new wxLogTextCtrl( logWin );
 200     m_logOld = logger->SetActiveTarget( logger );
 201     logger->SetTimestamp( NULL );
 202
 203     // this will create a grid and, by default, an associated grid
 204     // table for strings
 205     grid->CreateGrid( 100, 100 );
 206
 207     grid->SetRowSize( 0, 60 );
 208     grid->SetCellValue( 0, 0, "Ctrl+Home\nwill go to\nthis cell" );
 209
 210     grid->SetCellValue( 0, 1, "Blah" );
 211     grid->SetCellValue( 0, 2, "Blah" );
 212     grid->SetCellValue( 0, 3, "Read only" );
 213     grid->SetReadOnly( 0, 3 );
 214
 215     grid->SetCellValue( 0, 5, "Press\nCtrl+arrow\nto skip over\ncells" );
 216
 217     grid->SetRowSize( 99, 60 );
 218     grid->SetCellValue( 99, 99, "Ctrl+End\nwill go to\nthis cell" );
 219
 220     grid->SetCellValue(2, 2, "red");
 221
 222     grid->SetCellTextColour(2, 2, *wxRED);
 223     grid->SetCellValue(3, 3, "green on grey");
 224     grid->SetCellTextColour(3, 3, *wxGREEN);
 225     grid->SetCellBackgroundColour(3, 3, *wxLIGHT_GREY);
 226
 227     grid->SetCellValue(4, 4, "a weird looking cell");
 228     grid->SetCellAlignment(4, 4, wxCENTRE, wxCENTRE);
 229     grid->SetCellRenderer(4, 4, new MyGridCellRenderer);
 230
 231     grid->SetCellValue(3, 0, "1");
 232     grid->SetCellRenderer(3, 0, new wxGridCellBoolRenderer);
 233     grid->SetCellEditor(3, 0, new wxGridCellBoolEditor);
 234
 235     wxGridCellAttr *attr;
 236     attr = new wxGridCellAttr;
 237     attr->SetTextColour(*wxBLUE);
 238     grid->SetColAttr(5, attr);
 239     attr = new wxGridCellAttr;
 240     attr->SetBackgroundColour(*wxBLUE);
 241     grid->SetRowAttr(5, attr);
 242
 243     grid->SetCellValue(2, 4, "a wider column");
 244     grid->SetColSize(4, 120);
 245     grid->SetColMinimalWidth(4, 120);
 246
 247     grid->SetColFormatFloat(5);
 248     grid->SetCellValue(0, 5, "3.1415");
 249     grid->SetCellValue(1, 5, "1415");
 250     grid->SetCellValue(2, 5, "12345.67890");
 251
 252     grid->SetColFormatFloat(6, 6, 2);
 253     grid->SetCellValue(0, 6, "3.1415");
 254     grid->SetCellValue(1, 6, "1415");
 255     grid->SetCellValue(2, 6, "12345.67890");
 256
 257     wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
 258     topSizer->Add( grid,
 259                    1,
 260                    wxEXPAND );
 261
 262     topSizer->Add( logWin,
 263                    0,
 264                    wxEXPAND );
 265
 266     SetAutoLayout( TRUE );
 267     SetSizer( topSizer );
 268
 269     topSizer->Fit( this );
 270     topSizer->SetSizeHints( this );
 271
 272     Centre();
 273     SetDefaults();
 274 }
 275
 276
 277 GridFrame::~GridFrame()
 278 {
 279     delete wxLog::SetActiveTarget(m_logOld);
 280 }
 281
 282
 283 void GridFrame::SetDefaults()
 284 {
 285     GetMenuBar()->Check( ID_TOGGLEROWLABELS, TRUE );
 286     GetMenuBar()->Check( ID_TOGGLECOLLABELS, TRUE );
 287     GetMenuBar()->Check( ID_TOGGLEEDIT, TRUE );
 288     GetMenuBar()->Check( ID_TOGGLEROWSIZING, TRUE );
 289     GetMenuBar()->Check( ID_TOGGLECOLSIZING, TRUE );
 290     GetMenuBar()->Check( ID_TOGGLEGRIDSIZING, TRUE );
 291 }
 292
 293
 294 void GridFrame::ToggleRowLabels( wxCommandEvent& WXUNUSED(ev) )
 295 {
 296     if ( GetMenuBar()->IsChecked( ID_TOGGLEROWLABELS ) )
 297     {
 298         grid->SetRowLabelSize( grid->GetDefaultRowLabelSize() );
 299     }
 300     else
 301     {
 302         grid->SetRowLabelSize( 0 );
 303     }
 304 }
 305
 306
 307 void GridFrame::ToggleColLabels( wxCommandEvent& WXUNUSED(ev) )
 308 {
 309     if ( GetMenuBar()->IsChecked( ID_TOGGLECOLLABELS ) )
 310     {
 311         grid->SetColLabelSize( grid->GetDefaultColLabelSize() );
 312     }
 313     else
 314     {
 315         grid->SetColLabelSize( 0 );
 316     }
 317 }
 318
 319
 320 void GridFrame::ToggleEditing( wxCommandEvent& WXUNUSED(ev) )
 321 {
 322     grid->EnableEditing(
 323         GetMenuBar()->IsChecked( ID_TOGGLEEDIT ) );
 324 }
 325
 326
 327 void GridFrame::ToggleRowSizing( wxCommandEvent& WXUNUSED(ev) )
 328 {
 329     grid->EnableDragRowSize(
 330         GetMenuBar()->IsChecked( ID_TOGGLEROWSIZING ) );
 331 }
 332
 333
 334 void GridFrame::ToggleColSizing( wxCommandEvent& WXUNUSED(ev) )
 335 {
 336     grid->EnableDragColSize(
 337         GetMenuBar()->IsChecked( ID_TOGGLECOLSIZING ) );
 338 }
 339
 340 void GridFrame::ToggleGridSizing( wxCommandEvent& WXUNUSED(ev) )
 341 {
 342     grid->EnableDragGridSize(
 343         GetMenuBar()->IsChecked( ID_TOGGLEGRIDSIZING ) );
 344 }
 345
 346
 347 void GridFrame::SetLabelColour( wxCommandEvent& WXUNUSED(ev) )
 348 {
 349     wxColourDialog dlg( NULL );
 350     if ( dlg.ShowModal() == wxID_OK )
 351     {
 352         wxColourData retData;
 353         retData = dlg.GetColourData();
 354         wxColour colour = retData.GetColour();
 355
 356         grid->SetLabelBackgroundColour( colour );
 357     }
 358 }
 359
 360
 361 void GridFrame::SetLabelTextColour( wxCommandEvent& WXUNUSED(ev) )
 362 {
 363     wxColourDialog dlg( NULL );
 364     if ( dlg.ShowModal() == wxID_OK )
 365     {
 366         wxColourData retData;
 367         retData = dlg.GetColourData();
 368         wxColour colour = retData.GetColour();
 369
 370         grid->SetLabelTextColour( colour );
 371     }
 372 }
 373
 374
 375 void GridFrame::SetRowLabelHorizAlignment( wxCommandEvent& WXUNUSED(ev) )
 376 {
 377     int horiz, vert;
 378     grid->GetRowLabelAlignment( &horiz, &vert );
 379
 380     switch ( horiz )
 381     {
 382         case wxLEFT:
 383             horiz = wxCENTRE;
 384             break;
 385
 386         case wxCENTRE:
 387             horiz = wxRIGHT;
 388             break;
 389
 390         case wxRIGHT:
 391             horiz = wxLEFT;
 392             break;
 393     }
 394
 395     grid->SetRowLabelAlignment( horiz, -1 );
 396 }
 397
 398 void GridFrame::SetRowLabelVertAlignment( wxCommandEvent& WXUNUSED(ev) )
 399 {
 400     int horiz, vert;
 401     grid->GetRowLabelAlignment( &horiz, &vert );
 402
 403     switch ( vert )
 404     {
 405         case wxTOP:
 406             vert = wxCENTRE;
 407             break;
 408
 409         case wxCENTRE:
 410             vert = wxBOTTOM;
 411             break;
 412
 413         case wxBOTTOM:
 414             vert = wxTOP;
 415             break;
 416     }
 417
 418     grid->SetRowLabelAlignment( -1, vert );
 419 }
 420
 421
 422 void GridFrame::SetColLabelHorizAlignment( wxCommandEvent& WXUNUSED(ev) )
 423 {
 424     int horiz, vert;
 425     grid->GetColLabelAlignment( &horiz, &vert );
 426
 427     switch ( horiz )
 428     {
 429         case wxLEFT:
 430             horiz = wxCENTRE;
 431             break;
 432
 433         case wxCENTRE:
 434             horiz = wxRIGHT;
 435             break;
 436
 437         case wxRIGHT:
 438             horiz = wxLEFT;
 439             break;
 440     }
 441
 442     grid->SetColLabelAlignment( horiz, -1 );
 443 }
 444
 445
 446 void GridFrame::SetColLabelVertAlignment( wxCommandEvent& WXUNUSED(ev) )
 447 {
 448     int horiz, vert;
 449     grid->GetColLabelAlignment( &horiz, &vert );
 450
 451     switch ( vert )
 452     {
 453         case wxTOP:
 454             vert = wxCENTRE;
 455             break;
 456
 457         case wxCENTRE:
 458             vert = wxBOTTOM;
 459             break;
 460
 461         case wxBOTTOM:
 462             vert = wxTOP;
 463             break;
 464     }
 465
 466     grid->SetColLabelAlignment( -1, vert );
 467 }
 468
 469
 470 void GridFrame::SetGridLineColour( wxCommandEvent& WXUNUSED(ev) )
 471 {
 472     wxColourDialog dlg( NULL );
 473     if ( dlg.ShowModal() == wxID_OK )
 474     {
 475         wxColourData retData;
 476         retData = dlg.GetColourData();
 477         wxColour colour = retData.GetColour();
 478
 479         grid->SetGridLineColour( colour );
 480     }
 481 }
 482
 483
 484 void GridFrame::InsertRow( wxCommandEvent& WXUNUSED(ev) )
 485 {
 486     grid->InsertRows( grid->GetGridCursorRow(), 1 );
 487 }
 488
 489
 490 void GridFrame::InsertCol( wxCommandEvent& WXUNUSED(ev) )
 491 {
 492     grid->InsertCols( grid->GetGridCursorCol(), 1 );
 493 }
 494
 495
 496 void GridFrame::DeleteSelectedRows( wxCommandEvent& WXUNUSED(ev) )
 497 {
 498     if ( grid->IsSelection() )
 499     {
 500         for ( int n = 0; n < grid->GetNumberRows(); n++ )
 501             if ( grid->IsInSelection( n , 0 ) )
 502                 grid->DeleteRows( n, 1 );
 503     }
 504 }
 505
 506
 507 void GridFrame::DeleteSelectedCols( wxCommandEvent& WXUNUSED(ev) )
 508 {
 509     if ( grid->IsSelection() )
 510     {
 511         for ( int n = 0; n < grid->GetNumberCols(); n++ )
 512             if ( grid->IsInSelection( 0 , n ) )
 513                 grid->DeleteCols( n, 1 );
 514     }
 515 }
 516
 517
 518 void GridFrame::ClearGrid( wxCommandEvent& WXUNUSED(ev) )
 519 {
 520     grid->ClearGrid();
 521 }
 522
 523 void GridFrame::SelectCells( wxCommandEvent& WXUNUSED(ev) )
 524 {
 525     grid->SetSelectionMode( wxGrid::wxGridSelectCells );
 526 }
 527
 528 void GridFrame::SelectRows( wxCommandEvent& WXUNUSED(ev) )
 529 {
 530     grid->SetSelectionMode( wxGrid::wxGridSelectRows );
 531 }
 532
 533 void GridFrame::SelectCols( wxCommandEvent& WXUNUSED(ev) )
 534 {
 535     grid->SetSelectionMode( wxGrid::wxGridSelectColumns );
 536 }
 537
 538 void GridFrame::SetCellFgColour( wxCommandEvent& WXUNUSED(ev) )
 539 {
 540     wxColour col = wxGetColourFromUser(this);
 541     if ( col.Ok() )
 542     {
 543         grid->SetDefaultCellTextColour(col);
 544         grid->Refresh();
 545     }
 546 }
 547
 548 void GridFrame::SetCellBgColour( wxCommandEvent& WXUNUSED(ev) )
 549 {
 550     wxColour col = wxGetColourFromUser(this);
 551     if ( col.Ok() )
 552     {
 553         grid->SetDefaultCellBackgroundColour(col);
 554         grid->Refresh();
 555     }
 556 }
 557
 558 void GridFrame::OnLabelLeftClick( wxGridEvent& ev )
 559 {
 560     logBuf = "";
 561     if ( ev.GetRow() != -1 )
 562     {
 563         logBuf << "Left click on row label " << ev.GetRow();
 564     }
 565     else if ( ev.GetCol() != -1 )
 566     {
 567         logBuf << "Left click on col label " << ev.GetCol();
 568     }
 569     else
 570     {
 571         logBuf << "Left click on corner label";
 572     }
 573
 574     if ( ev.ShiftDown() ) logBuf << " (shift down)";
 575     if ( ev.ControlDown() ) logBuf << " (control down)";
 576     wxLogMessage( "%s", logBuf.c_str() );
 577
 578     // you must call event skip if you want default grid processing
 579     //
 580     ev.Skip();
 581 }
 582
 583
 584 void GridFrame::OnCellLeftClick( wxGridEvent& ev )
 585 {
 586     logBuf = "";
 587     logBuf << "Left click at row " << ev.GetRow()
 588            << " col " << ev.GetCol();
 589     wxLogMessage( "%s", logBuf.c_str() );
 590
 591     // you must call event skip if you want default grid processing
 592     // (cell highlighting etc.)
 593     //
 594     ev.Skip();
 595 }
 596
 597
 598 void GridFrame::OnRowSize( wxGridSizeEvent& ev )
 599 {
 600     logBuf = "";
 601     logBuf << "Resized row " << ev.GetRowOrCol();
 602     wxLogMessage( "%s", logBuf.c_str() );
 603
 604     ev.Skip();
 605 }
 606
 607
 608 void GridFrame::OnColSize( wxGridSizeEvent& ev )
 609 {
 610     logBuf = "";
 611     logBuf << "Resized col " << ev.GetRowOrCol();
 612     wxLogMessage( "%s", logBuf.c_str() );
 613
 614     ev.Skip();
 615 }
 616
 617
 618 void GridFrame::OnSelectCell( wxGridEvent& ev )
 619 {
 620     logBuf = "";
 621     if ( ev.Selecting() )
 622         logBuf << "Selected ";
 623     else
 624         logBuf << "Deselected ";
 625     logBuf << "cell at row " << ev.GetRow()
 626            << " col " << ev.GetCol()
 627            << " ( ControlDown: "<< (ev.ControlDown() ? 'T':'F')
 628            << ", ShiftDown: "<< (ev.ShiftDown() ? 'T':'F')
 629            << ", AltDown: "<< (ev.AltDown() ? 'T':'F')
 630            << ", MetaDown: "<< (ev.MetaDown() ? 'T':'F') << " )";
 631     wxLogMessage( "%s", logBuf.c_str() );
 632
 633     // you must call Skip() if you want the default processing
 634     // to occur in wxGrid
 635     ev.Skip();
 636 }
 637
 638 void GridFrame::OnRangeSelected( wxGridRangeSelectEvent& ev )
 639 {
 640     logBuf = "";
 641     if ( ev.Selecting() )
 642         logBuf << "Selected ";
 643     else
 644         logBuf << "Deselected ";
 645     logBuf << "cells from row " << ev.GetTopRow()
 646            << " col " << ev.GetLeftCol()
 647            << " to row " << ev.GetBottomRow()
 648            << " col " << ev.GetRightCol()
 649            << " ( ControlDown: "<< (ev.ControlDown() ? 'T':'F')
 650            << ", ShiftDown: "<< (ev.ShiftDown() ? 'T':'F')
 651            << ", AltDown: "<< (ev.AltDown() ? 'T':'F')
 652            << ", MetaDown: "<< (ev.MetaDown() ? 'T':'F') << " )";
 653     wxLogMessage( "%s", logBuf.c_str() );
 654
 655     ev.Skip();
 656 }
 657
 658 void GridFrame::OnCellValueChanged( wxGridEvent& ev )
 659 {
 660     logBuf = "";
 661     logBuf  << "Value changed for cell at"
 662             << " row " << ev.GetRow()
 663             << " col " << ev.GetCol();
 664
 665     wxLogMessage( "%s", logBuf.c_str() );
 666
 667     ev.Skip();
 668 }
 669
 670 void GridFrame::OnEditorShown( wxGridEvent& ev )
 671 {
 672     wxLogMessage( "Cell editor shown." );
 673
 674     ev.Skip();
 675 }
 676
 677 void GridFrame::OnEditorHidden( wxGridEvent& ev )
 678 {
 679     wxLogMessage( "Cell editor hidden." );
 680
 681     ev.Skip();
 682 }
 683
 684 void GridFrame::About(  wxCommandEvent& WXUNUSED(ev) )
 685 {
 686     (void)wxMessageBox( "\n\nwxGrid demo \n\n"
 687                         "Michael Bedward \n"
 688                         "mbedward@ozemail.com.au \n\n",
 689                         "About",
 690                         wxOK );
 691 }
 692
 693
 694 void GridFrame::OnQuit( wxCommandEvent& WXUNUSED(ev) )
 695 {
 696     Close( TRUE );
 697 }
 698
 699 void GridFrame::OnBugsTable(wxCommandEvent& )
 700 {
 701     BugsGridFrame *frame = new BugsGridFrame;
 702     frame->Show(TRUE);
 703 }
 704
 705 void GridFrame::OnVTable(wxCommandEvent& )
 706 {
 707     static long s_sizeGrid = 10000;
 708
 709 #ifdef __WXMOTIF__
 710     // MB: wxGetNumberFromUser doesn't work properly for wxMotif
 711     wxString s;
 712     s << s_sizeGrid;
 713     s = wxGetTextFromUser( "Size of the table to create",
 714                            "Size:",
 715                            s );
 716
 717     s.ToLong( &s_sizeGrid );
 718
 719 #else
 720     s_sizeGrid = wxGetNumberFromUser("Size of the table to create",
 721                                      "Size: ",
 722                                      "wxGridDemo question",
 723                                      s_sizeGrid,
 724                                      0, 32000, this);
 725 #endif
 726
 727     if ( s_sizeGrid != -1 )
 728     {
 729         BigGridFrame* win = new BigGridFrame(s_sizeGrid);
 730         win->Show(TRUE);
 731     }
 732 }
 733
 734 // ----------------------------------------------------------------------------
 735 // MyGridCellRenderer
 736 // ----------------------------------------------------------------------------
 737
 738 // do something that the default renderer doesn't here just to show that it is
 739 // possible to alter the appearance of the cell beyond what the attributes
 740 // allow
 741 void MyGridCellRenderer::Draw(wxGrid& grid,
 742                               wxGridCellAttr& attr,
 743                               wxDC& dc,
 744                               const wxRect& rect,
 745                               int row, int col,
 746                               bool isSelected)
 747 {
 748     wxGridCellStringRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
 749
 750     dc.SetPen(*wxGREEN_PEN);
 751     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 752     dc.DrawEllipse(rect);
 753 }
 754
 755 // ----------------------------------------------------------------------------
 756 // MyGridCellAttrProvider
 757 // ----------------------------------------------------------------------------
 758
 759 MyGridCellAttrProvider::MyGridCellAttrProvider()
 760 {
 761     m_attrForOddRows = new wxGridCellAttr;
 762     m_attrForOddRows->SetBackgroundColour(*wxLIGHT_GREY);
 763 }
 764
 765 MyGridCellAttrProvider::~MyGridCellAttrProvider()
 766 {
 767     m_attrForOddRows->DecRef();
 768 }
 769
 770 wxGridCellAttr *MyGridCellAttrProvider::GetAttr(int row, int col) const
 771 {
 772     wxGridCellAttr *attr = wxGridCellAttrProvider::GetAttr(row, col);
 773
 774     if ( row % 2 )
 775     {
 776         if ( !attr )
 777         {
 778             attr = m_attrForOddRows;
 779             attr->IncRef();
 780         }
 781         else
 782         {
 783             if ( !attr->HasBackgroundColour() )
 784             {
 785                 wxGridCellAttr *attrNew = attr->Clone();
 786                 attr->DecRef();
 787                 attr = attrNew;
 788                 attr->SetBackgroundColour(*wxLIGHT_GREY);
 789             }
 790         }
 791     }
 792
 793     return attr;
 794 }
 795
 796 // ============================================================================
 797 // BigGridFrame and BigGridTable:  Sample of a non-standard table
 798 // ============================================================================
 799
 800 BigGridFrame::BigGridFrame(long sizeGrid)
 801             : wxFrame(NULL, -1, "Plugin Virtual Table",
 802                       wxDefaultPosition, wxSize(500, 450))
 803 {
 804     m_grid = new wxGrid(this, -1, wxDefaultPosition, wxDefaultSize);
 805     m_table = new BigGridTable(sizeGrid);
 806
 807     // VZ: I don't understand why this slows down the display that much,
 808     //     must profile it...
 809     //m_table->SetAttrProvider(new MyGridCellAttrProvider);
 810
 811     m_grid->SetTable(m_table, TRUE);
 812
 813 #if defined __WXMOTIF__
 814     // MB: the grid isn't getting a sensible default size under wxMotif
 815     int cw, ch;
 816     GetClientSize( &cw, &ch );
 817     m_grid->SetSize( cw, ch );
 818 #endif
 819 }
 820
 821 // ============================================================================
 822 // BugsGridFrame: a "realistic" table
 823 // ============================================================================
 824
 825 // ----------------------------------------------------------------------------
 826 // bugs table data
 827 // ----------------------------------------------------------------------------
 828
 829 enum Columns
 830 {
 831     Col_Id,
 832     Col_Summary,
 833     Col_Severity,
 834     Col_Priority,
 835     Col_Platform,
 836     Col_Opened,
 837     Col_Max
 838 };
 839
 840 enum Severity
 841 {
 842     Sev_Wish,
 843     Sev_Minor,
 844     Sev_Normal,
 845     Sev_Major,
 846     Sev_Critical,
 847     Sev_Max
 848 };
 849
 850 static const wxChar* severities[] =
 851 {
 852     _T("wishlist"),
 853     _T("minor"),
 854     _T("normal"),
 855     _T("major"),
 856     _T("critical"),
 857 };
 858
 859 static struct BugsGridData
 860 {
 861     int id;
 862     wxChar summary[80];
 863     Severity severity;
 864     int prio;
 865     wxChar platform[12];
 866     bool opened;
 867 } gs_dataBugsGrid [] =
 868 {
 869     { 18, _T("foo doesn't work"), Sev_Major, 1, _T("wxMSW"), TRUE },
 870     { 27, _T("bar crashes"), Sev_Critical, 1, _T("all"), FALSE },
 871     { 45, _T("printing is slow"), Sev_Minor, 3, _T("wxMSW"), TRUE },
 872     { 68, _T("Rectangle() fails"), Sev_Normal, 1, _T("wxMSW"), FALSE },
 873 };
 874
 875 static const wxChar *headers[Col_Max] =
 876 {
 877     _T("Id"),
 878     _T("Summary"),
 879     _T("Severity"),
 880     _T("Priority"),
 881     _T("Platform"),
 882     _T("Opened?"),
 883 };
 884
 885 // ----------------------------------------------------------------------------
 886 // BugsGridTable
 887 // ----------------------------------------------------------------------------
 888
 889 wxString BugsGridTable::GetTypeName(int WXUNUSED(row), int col)
 890 {
 891     switch ( col )
 892     {
 893         case Col_Id:
 894         case Col_Priority:
 895             return wxGRID_VALUE_NUMBER;;
 896
 897         case Col_Severity:
 898             // fall thorugh (TODO should be a list)
 899
 900         case Col_Summary:
 901             return wxString::Format(_T("%s:80"), wxGRID_VALUE_STRING);
 902
 903         case Col_Platform:
 904             return wxString::Format(_T("%s:all,MSW,GTK,other"), wxGRID_VALUE_CHOICE);
 905
 906         case Col_Opened:
 907             return wxGRID_VALUE_BOOL;
 908     }
 909
 910     wxFAIL_MSG(_T("unknown column"));
 911
 912     return wxEmptyString;
 913 }
 914
 915 int BugsGridTable::GetNumberRows()
 916 {
 917     return WXSIZEOF(gs_dataBugsGrid);
 918 }
 919
 920 int BugsGridTable::GetNumberCols()
 921 {
 922     return Col_Max;
 923 }
 924
 925 bool BugsGridTable::IsEmptyCell( int row, int col )
 926 {
 927     return FALSE;
 928 }
 929
 930 wxString BugsGridTable::GetValue( int row, int col )
 931 {
 932     const BugsGridData& gd = gs_dataBugsGrid[row];
 933
 934     switch ( col )
 935     {
 936         case Col_Id:
 937         case Col_Priority:
 938         case Col_Opened:
 939             wxFAIL_MSG(_T("unexpected column"));
 940             break;
 941
 942         case Col_Severity:
 943             return severities[gd.severity];
 944
 945         case Col_Summary:
 946             return gd.summary;
 947
 948         case Col_Platform:
 949             return gd.platform;
 950     }
 951
 952     return wxEmptyString;
 953 }
 954
 955 void BugsGridTable::SetValue( int row, int col, const wxString& value )
 956 {
 957     BugsGridData& gd = gs_dataBugsGrid[row];
 958
 959     switch ( col )
 960     {
 961         case Col_Id:
 962         case Col_Priority:
 963         case Col_Opened:
 964             wxFAIL_MSG(_T("unexpected column"));
 965             break;
 966
 967         case Col_Severity:
 968             {
 969                 size_t n;
 970                 for ( n = 0; n < WXSIZEOF(severities); n++ )
 971                 {
 972                     if ( severities[n] == value )
 973                     {
 974                         gd.severity = (Severity)n;
 975                         break;
 976                     }
 977                 }
 978
 979                 if ( n == WXSIZEOF(severities) )
 980                 {
 981                     wxLogWarning(_T("Invalid severity value '%s'."),
 982                                  value.c_str());
 983                     gd.severity = Sev_Normal;
 984                 }
 985             }
 986             break;
 987
 988         case Col_Summary:
 989             wxStrncpy(gd.summary, value, WXSIZEOF(gd.summary));
 990             break;
 991
 992         case Col_Platform:
 993             wxStrncpy(gd.platform, value, WXSIZEOF(gd.platform));
 994             break;
 995     }
 996 }
 997
 998 bool BugsGridTable::CanGetValueAs( int WXUNUSED(row), int col, const wxString& typeName )
 999 {
1000     if ( typeName == wxGRID_VALUE_STRING )
1001     {
1002         return TRUE;
1003     }
1004     else if ( typeName == wxGRID_VALUE_BOOL )
1005     {
1006         return col == Col_Opened;
1007     }
1008     else if ( typeName == wxGRID_VALUE_NUMBER )
1009     {
1010         return col == Col_Id || col == Col_Priority || col == Col_Severity;
1011     }
1012     else
1013     {
1014         return FALSE;
1015     }
1016 }
1017
1018 bool BugsGridTable::CanSetValueAs( int row, int col, const wxString& typeName )
1019 {
1020     return CanGetValueAs(row, col, typeName);
1021 }
1022
1023 long BugsGridTable::GetValueAsLong( int row, int col )
1024 {
1025     const BugsGridData& gd = gs_dataBugsGrid[row];
1026
1027     switch ( col )
1028     {
1029         case Col_Id:
1030             return gd.id;
1031
1032         case Col_Priority:
1033             return gd.prio;
1034
1035         case Col_Severity:
1036             return gd.severity;
1037
1038         default:
1039             wxFAIL_MSG(_T("unexpected column"));
1040             return -1;
1041     }
1042 }
1043
1044 bool BugsGridTable::GetValueAsBool( int row, int col )
1045 {
1046     if ( col == Col_Opened )
1047     {
1048         return gs_dataBugsGrid[row].opened;
1049     }
1050     else
1051     {
1052         wxFAIL_MSG(_T("unexpected column"));
1053
1054         return FALSE;
1055     }
1056 }
1057
1058 void BugsGridTable::SetValueAsLong( int row, int col, long value )
1059 {
1060     BugsGridData& gd = gs_dataBugsGrid[row];
1061
1062     switch ( col )
1063     {
1064         case Col_Priority:
1065             gd.prio = value;
1066             break;
1067
1068         default:
1069             wxFAIL_MSG(_T("unexpected column"));
1070     }
1071 }
1072
1073 void BugsGridTable::SetValueAsBool( int row, int col, bool value )
1074 {
1075     if ( col == Col_Opened )
1076     {
1077         gs_dataBugsGrid[row].opened = value;
1078     }
1079     else
1080     {
1081         wxFAIL_MSG(_T("unexpected column"));
1082     }
1083 }
1084
1085 wxString BugsGridTable::GetColLabelValue( int col )
1086 {
1087     return headers[col];
1088 }
1089
1090 BugsGridTable::BugsGridTable()
1091 {
1092 }
1093
1094 // ----------------------------------------------------------------------------
1095 // BugsGridFrame
1096 // ----------------------------------------------------------------------------
1097
1098 BugsGridFrame::BugsGridFrame()
1099              : wxFrame(NULL, -1, "Bugs table",
1100                        wxDefaultPosition, wxSize(500, 300))
1101 {
1102     wxGrid *grid = new wxGrid(this, -1, wxDefaultPosition);
1103     wxGridTableBase *table = new BugsGridTable();
1104     table->SetAttrProvider(new MyGridCellAttrProvider);
1105     grid->SetTable(table, TRUE);
1106
1107     wxGridCellAttr *attrRO = new wxGridCellAttr,
1108                    *attrRangeEditor = new wxGridCellAttr,
1109                    *attrCombo = new wxGridCellAttr;
1110
1111     attrRO->SetReadOnly();
1112     attrRangeEditor->SetEditor(new wxGridCellNumberEditor(1, 5));
1113     attrCombo->SetEditor(new wxGridCellChoiceEditor(WXSIZEOF(severities),
1114                                                     severities));
1115
1116     grid->SetColAttr(Col_Id, attrRO);
1117     grid->SetColAttr(Col_Priority, attrRangeEditor);
1118     grid->SetColAttr(Col_Severity, attrCombo);
1119
1120     grid->SetMargins(0, 0);
1121
1122     grid->Fit();
1123     wxSize size = grid->GetSize();
1124     size.x += 10;
1125     size.y += 10;
1126     SetClientSize(size);
1127 }