src/generic/gridg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gridg.cpp
   3 // Purpose:     wxGenericGrid
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "gridg.h"
  14 #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include <string.h>
  29
  30 #include "wx/string.h"
  31 #include "wx/generic/gridg.h"
  32 #include "wx/settings.h"
  33
  34 // Set to zero to use no double-buffering
  35 #ifdef __WXMSW__
  36 #define USE_DOUBLE_BUFFERING 1
  37 #else
  38 #define USE_DOUBLE_BUFFERING 0
  39 #endif
  40
  41 #define wxGRID_DRAG_NONE       0
  42 #define wxGRID_DRAG_LEFT_RIGHT 1
  43 #define wxGRID_DRAG_UP_DOWN    2
  44
  45 IMPLEMENT_DYNAMIC_CLASS(wxGenericGrid, wxPanel)
  46
  47 BEGIN_EVENT_TABLE(wxGenericGrid, wxPanel)
  48         EVT_SIZE(wxGenericGrid::OnSize)
  49         EVT_PAINT(wxGenericGrid::OnPaint)
  50         EVT_ERASE_BACKGROUND(wxGenericGrid::OnEraseBackground)
  51         EVT_MOUSE_EVENTS(wxGenericGrid::OnMouseEvent)
  52     EVT_TEXT(wxGRID_TEXT_CTRL, wxGenericGrid::OnText)
  53     EVT_COMMAND_SCROLL(wxGRID_HSCROLL, wxGenericGrid::OnGridScroll)
  54     EVT_COMMAND_SCROLL(wxGRID_VSCROLL, wxGenericGrid::OnGridScroll)
  55 END_EVENT_TABLE()
  56
  57 wxGenericGrid::wxGenericGrid(void)
  58 {
  59   m_batchCount = 0;
  60   m_hScrollBar = NULL;
  61   m_vScrollBar = NULL;
  62   m_cellTextColour = *wxBLACK;
  63   m_cellBackgroundColour = *wxWHITE;
  64   m_labelTextColour = *wxBLACK;
  65   m_labelBackgroundColour = *wxLIGHT_GREY;
  66   m_labelBackgroundBrush = NULL;
  67   m_labelTextFont = NULL;
  68   m_cellTextFont = NULL;
  69   m_textItem = NULL;
  70   m_currentRectVisible = FALSE;
  71   m_editable = TRUE;
  72 #if defined(__WIN95__)
  73   m_scrollWidth = wxSystemSettings::GetSystemMetric(wxSYS_VSCROLL_X);
  74 #else
  75   m_scrollWidth = 16;
  76 #endif
  77   m_dragStatus = wxGRID_DRAG_NONE;
  78   m_dragRowOrCol = 0;
  79   m_dragStartPosition = 0;
  80   m_dragLastPosition = 0;
  81   m_divisionPen = NULL;
  82   m_leftOfSheet = wxGRID_DEFAULT_SHEET_LEFT;
  83   m_topOfSheet = wxGRID_DEFAULT_SHEET_TOP;
  84   m_cellHeight = wxGRID_DEFAULT_CELL_HEIGHT;
  85   m_totalGridWidth = 0;
  86   m_totalGridHeight = 0;
  87   m_colWidths = NULL;
  88   m_rowHeights = NULL;
  89   m_verticalLabelWidth = wxGRID_DEFAULT_VERTICAL_LABEL_WIDTH;
  90   m_horizontalLabelHeight = wxGRID_DEFAULT_HORIZONAL_LABEL_HEIGHT;
  91   m_verticalLabelAlignment = wxCENTRE;
  92   m_horizontalLabelAlignment = wxCENTRE;
  93   m_editControlPosition.x = wxGRID_DEFAULT_EDIT_X;
  94   m_editControlPosition.y = wxGRID_DEFAULT_EDIT_Y;
  95   m_editControlPosition.width = wxGRID_DEFAULT_EDIT_WIDTH;
  96   m_editControlPosition.height = wxGRID_DEFAULT_EDIT_HEIGHT;
  97   m_wCursorRow = 0;
  98   m_wCursorColumn = 0;
  99   m_scrollPosX = 0;
 100   m_scrollPosY = 0;
 101   m_editCreated = FALSE;
 102   m_totalRows = 0;
 103   m_totalCols = 0;
 104   m_gridCells = NULL;
 105   m_rowLabelCells = NULL;
 106   m_colLabelCells = NULL;
 107   m_textItem = NULL;
 108   m_horizontalSashCursor = NULL;
 109   m_verticalSashCursor = NULL;
 110 }
 111
 112 bool wxGenericGrid::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
 113  long style, const wxString& name)
 114 {
 115   m_batchCount = 0;
 116   m_editingPanel = NULL;
 117   m_hScrollBar = NULL;
 118   m_vScrollBar = NULL;
 119   m_horizontalSashCursor = NULL;
 120   m_verticalSashCursor = NULL;
 121   m_cellTextColour = *wxBLACK;
 122   m_cellBackgroundColour = *wxWHITE;
 123   m_labelTextColour = *wxBLACK;
 124   m_labelBackgroundColour = *wxLIGHT_GREY;
 125   m_labelBackgroundBrush = NULL;
 126   m_labelTextFont = wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxBOLD);
 127   m_cellTextFont = wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxNORMAL);
 128   m_textItem = NULL;
 129   m_currentRectVisible = FALSE;
 130   m_editable = TRUE;
 131 #if defined(__WIN95__)
 132   m_scrollWidth = wxSystemSettings::GetSystemMetric(wxSYS_VSCROLL_X);
 133 #else
 134   m_scrollWidth = 16;
 135 #endif
 136   m_dragStatus = wxGRID_DRAG_NONE;
 137   m_dragRowOrCol = 0;
 138   m_dragStartPosition = 0;
 139   m_dragLastPosition = 0;
 140   m_divisionPen = wxThePenList->FindOrCreatePen("LIGHT GREY", 1, wxSOLID);
 141   m_doubleBufferingBitmap = NULL;
 142
 143   if (!m_horizontalSashCursor)
 144   {
 145     m_horizontalSashCursor = new wxCursor(wxCURSOR_SIZEWE);
 146     m_verticalSashCursor = new wxCursor(wxCURSOR_SIZENS);
 147   }
 148
 149   SetLabelBackgroundColour(m_labelBackgroundColour);
 150
 151   m_leftOfSheet = wxGRID_DEFAULT_SHEET_LEFT;
 152   m_topOfSheet = wxGRID_DEFAULT_SHEET_TOP;
 153   m_cellHeight = wxGRID_DEFAULT_CELL_HEIGHT;
 154   m_totalGridWidth = 0;
 155   m_totalGridHeight = 0;
 156   m_colWidths = NULL;
 157   m_rowHeights = NULL;
 158
 159   m_verticalLabelWidth = wxGRID_DEFAULT_VERTICAL_LABEL_WIDTH;
 160   m_horizontalLabelHeight = wxGRID_DEFAULT_HORIZONAL_LABEL_HEIGHT;
 161   m_verticalLabelAlignment = wxCENTRE;
 162   m_horizontalLabelAlignment = wxCENTRE;
 163   m_editControlPosition.x = wxGRID_DEFAULT_EDIT_X;
 164   m_editControlPosition.y = wxGRID_DEFAULT_EDIT_Y;
 165   m_editControlPosition.width = wxGRID_DEFAULT_EDIT_WIDTH;
 166   m_editControlPosition.height = wxGRID_DEFAULT_EDIT_HEIGHT;
 167
 168   m_wCursorRow = 0;
 169   m_wCursorColumn = 0;
 170
 171   m_scrollPosX = 0;
 172   m_scrollPosY = 0;
 173
 174   /* Store the rect. coordinates for the current cell */
 175   SetCurrentRect(m_wCursorRow, m_wCursorColumn);
 176
 177   m_editCreated = FALSE;
 178
 179   m_totalRows = 0;
 180   m_totalCols = 0;
 181   m_gridCells = NULL;
 182   m_rowLabelCells = NULL;
 183   m_colLabelCells = NULL;
 184   m_textItem = NULL;
 185
 186   wxPanel::Create(parent, id, pos, size, style, name);
 187
 188   m_editingPanel = new wxPanel(this);
 189
 190   m_textItem = new wxTextCtrl(m_editingPanel, wxGRID_TEXT_CTRL, "",
 191      wxPoint(m_editControlPosition.x, m_editControlPosition.y), wxSize(m_editControlPosition.width, -1),
 192      0);
 193   m_textItem->Show(TRUE);
 194   m_textItem->SetFocus();
 195   int controlW, controlH;
 196
 197   m_textItem->GetSize(&controlW, &controlH);
 198   m_editControlPosition.height = controlH;
 199
 200   m_topOfSheet = m_editControlPosition.y + controlH + 2;
 201
 202   m_editCreated = TRUE;
 203
 204   m_hScrollBar = new wxScrollBar(this, wxGRID_HSCROLL, wxPoint(0, 0), wxSize(20, 100), wxHORIZONTAL);
 205   m_vScrollBar = new wxScrollBar(this, wxGRID_VSCROLL, wxPoint(0, 0), wxSize(100, 20), wxVERTICAL);
 206
 207   return TRUE;
 208 }
 209
 210 wxGenericGrid::~wxGenericGrid(void)
 211 {
 212   ClearGrid();
 213 }
 214
 215 void wxGenericGrid::ClearGrid(void)
 216 {
 217   int i,j;
 218   if (m_gridCells)
 219   {
 220     for (i = 0; i < m_totalRows; i++)
 221     {
 222       for (j = 0; j < m_totalCols; j++)
 223         if (m_gridCells[i][j])
 224           delete m_gridCells[i][j];
 225       delete[] m_gridCells[i];
 226     }
 227     delete[] m_gridCells;
 228     m_gridCells = NULL;
 229   }
 230   if (m_colWidths)
 231     delete[] m_colWidths;
 232   m_colWidths = NULL;
 233   if (m_rowHeights)
 234     delete[] m_rowHeights;
 235   m_rowHeights = NULL;
 236
 237   if (m_rowLabelCells)
 238   {
 239     for (i = 0; i < m_totalRows; i++)
 240       delete m_rowLabelCells[i];
 241     delete[] m_rowLabelCells;
 242     m_rowLabelCells = NULL;
 243   }
 244   if (m_colLabelCells)
 245   {
 246     for (i = 0; i < m_totalCols; i++)
 247       delete m_colLabelCells[i];
 248     delete[] m_colLabelCells;
 249     m_colLabelCells = NULL;
 250   }
 251   if (m_doubleBufferingBitmap)
 252   {
 253     delete m_doubleBufferingBitmap;
 254     m_doubleBufferingBitmap = NULL;
 255   }
 256 }
 257
 258 bool wxGenericGrid::CreateGrid(int nRows, int nCols, wxString **cellValues, short *widths,
 259      short defaultWidth, short defaultHeight)
 260 {
 261   m_totalRows = nRows;
 262   m_totalCols = nCols;
 263
 264   int i,j;
 265   m_colWidths = new short[nCols];
 266   m_rowHeights = new short[nRows];
 267   for (i = 0; i < nCols; i++)
 268     if (widths)
 269       m_colWidths[i] = widths[i];
 270     else
 271       m_colWidths[i] = defaultWidth;
 272   for (i = 0; i < nRows; i++)
 273     m_rowHeights[i] = defaultHeight;
 274
 275   m_gridCells = new wxGridCell **[nRows];
 276
 277   for (i = 0; i < nRows; i++)
 278     m_gridCells[i] = new wxGridCell *[nCols];
 279
 280   for (i = 0; i < nRows; i++)
 281     for (j = 0; j < nCols; j++)
 282       if (cellValues)
 283       {
 284         m_gridCells[i][j] = OnCreateCell();
 285         m_gridCells[i][j]->SetTextValue(cellValues[i][j]);
 286       }
 287       else
 288         m_gridCells[i][j] = NULL;
 289
 290   m_rowLabelCells = new wxGridCell *[nRows];
 291   for (i = 0; i < nRows; i++)
 292     m_rowLabelCells[i] = new wxGridCell(this);
 293   m_colLabelCells = new wxGridCell *[nCols];
 294   for (i = 0; i < nCols; i++)
 295     m_colLabelCells[i] = new wxGridCell(this);
 296
 297   m_wCursorRow = m_wCursorColumn = 0;
 298   SetCurrentRect(0, 0);
 299
 300   // Need to determine various dimensions
 301   UpdateDimensions();
 302
 303   // Number of 'lines'
 304   int objectSizeX = m_totalCols;
 305   int pageSizeX = 1;
 306   int viewLengthX = m_totalCols;
 307   m_hScrollBar->SetViewLength(viewLengthX);
 308   m_hScrollBar->SetObjectLength(objectSizeX);
 309   m_hScrollBar->SetPageSize(pageSizeX);
 310
 311   int objectSizeY = m_totalRows;
 312   int pageSizeY = 1;
 313   int viewLengthY = m_totalRows;
 314
 315   m_vScrollBar->SetViewLength(viewLengthY);
 316   m_vScrollBar->SetObjectLength(objectSizeY);
 317   m_vScrollBar->SetPageSize(pageSizeY);
 318
 319   AdjustScrollbars();
 320
 321   OnChangeLabels();
 322   OnChangeSelectionLabel();
 323
 324   return TRUE;
 325 }
 326
 327 // Need to determine various dimensions
 328 void wxGenericGrid::UpdateDimensions(void)
 329 {
 330   int canvasWidth, canvasHeight;
 331   GetSize(&canvasWidth, &canvasHeight);
 332
 333   if (m_editCreated && m_editable)
 334   {
 335     int controlW, controlH;
 336     GetTextItem()->GetSize(&controlW, &controlH);
 337     m_topOfSheet = m_editControlPosition.y + controlH + 2;
 338   }
 339   else
 340     m_topOfSheet = 0;
 341   m_rightOfSheet = m_leftOfSheet + m_verticalLabelWidth;
 342   int i;
 343   for (i = m_scrollPosX; i < m_totalCols; i++)
 344   {
 345     if (m_rightOfSheet > canvasWidth)
 346       break;
 347     else
 348       m_rightOfSheet += m_colWidths[i];
 349   }
 350   m_bottomOfSheet = m_topOfSheet + m_horizontalLabelHeight;
 351   for (i = m_scrollPosY; i < m_totalRows; i++)
 352   {
 353     if (m_bottomOfSheet > canvasHeight)
 354       break;
 355     else
 356       m_bottomOfSheet += m_rowHeights[i];
 357   }
 358
 359   m_totalGridWidth = m_leftOfSheet + m_verticalLabelWidth;
 360   for (i = 0; i < m_totalCols; i++)
 361   {
 362     m_totalGridWidth += m_colWidths[i];
 363   }
 364   m_totalGridHeight = m_topOfSheet + m_horizontalLabelHeight;
 365   for (i = 0; i < m_totalRows; i++)
 366   {
 367     m_totalGridHeight += m_rowHeights[i];
 368   }
 369 }
 370
 371 wxGridCell *wxGenericGrid::GetCell(int row, int col)
 372 {
 373   if (!m_gridCells)
 374     return NULL;
 375
 376   if ((row >= m_totalRows) || (col >= m_totalCols))
 377     return NULL;
 378
 379   wxGridCell *cell = m_gridCells[row][col];
 380   if (!cell)
 381   {
 382     m_gridCells[row][col] = OnCreateCell();
 383     return m_gridCells[row][col];
 384   }
 385   else
 386     return cell;
 387 }
 388
 389 void wxGenericGrid::SetGridClippingRegion(wxDC *dc)
 390 {
 391   int m_scrollWidthHoriz = 0;
 392   int m_scrollWidthVert = 0;
 393   int cw, ch;
 394   GetClientSize(&cw, &ch);
 395
 396   if (m_hScrollBar && m_hScrollBar->IsShown())
 397     m_scrollWidthHoriz = m_scrollWidth;
 398   if (m_vScrollBar && m_vScrollBar->IsShown())
 399     m_scrollWidthVert = m_scrollWidth;
 400
 401   // Don't paint over the scrollbars
 402   dc->SetClippingRegion(m_leftOfSheet, m_topOfSheet,
 403      cw - m_scrollWidthVert - m_leftOfSheet, ch - m_scrollWidthHoriz - m_topOfSheet);
 404 }
 405
 406 void wxGenericGrid::OnPaint(wxPaintEvent& WXUNUSED(event))
 407 {
 408   int w, h;
 409   GetClientSize(&w, &h);
 410
 411   bool useDoubleBuffering = (bool) USE_DOUBLE_BUFFERING;
 412   if (useDoubleBuffering)
 413   {
 414     // Reuse the old bitmap if possible
 415
 416     if (!m_doubleBufferingBitmap ||
 417        (m_doubleBufferingBitmap->GetWidth() < w || m_doubleBufferingBitmap->GetHeight() < h))
 418     {
 419         if (m_doubleBufferingBitmap)
 420             delete m_doubleBufferingBitmap;
 421         m_doubleBufferingBitmap = new wxBitmap(w, h);
 422     }
 423     if (!m_doubleBufferingBitmap || !m_doubleBufferingBitmap->Ok())
 424     {
 425         // If we couldn't create a new bitmap, perhaps because resources were low,
 426         // then don't complain, just don't double-buffer
 427         if (m_doubleBufferingBitmap)
 428             delete m_doubleBufferingBitmap;
 429         m_doubleBufferingBitmap = NULL;
 430         useDoubleBuffering = FALSE;
 431     }
 432   }
 433
 434   if (useDoubleBuffering)
 435   {
 436     wxPaintDC paintDC(this);
 437     wxMemoryDC dc(& paintDC);
 438     dc.SelectObject(* m_doubleBufferingBitmap);
 439
 440     PaintGrid(dc);
 441
 442     int vertScrollBarWidth = m_scrollWidth;
 443     int horizScrollBarHeight = m_scrollWidth;
 444     if (m_vScrollBar && !m_vScrollBar->IsShown())
 445       vertScrollBarWidth = 0;
 446     if (m_hScrollBar && !m_hScrollBar->IsShown())
 447       horizScrollBarHeight = 0;
 448
 449     paintDC.Blit(m_leftOfSheet, m_topOfSheet, w - vertScrollBarWidth - m_leftOfSheet, h - horizScrollBarHeight - m_topOfSheet,
 450       &dc, m_leftOfSheet, m_topOfSheet, wxCOPY);
 451
 452     dc.SelectObject(wxNullBitmap);
 453   }
 454   else
 455   {
 456     wxPaintDC dc(this);
 457     PaintGrid(dc);
 458   }
 459 }
 460
 461 void wxGenericGrid::PaintGrid(wxDC& dc)
 462 {
 463     dc.BeginDrawing();
 464     dc.SetOptimization(FALSE);
 465
 466     SetGridClippingRegion(& dc);
 467
 468     DrawLabelAreas(& dc);
 469
 470     DrawEditableArea(& dc);
 471     DrawColumnLabels(& dc);
 472     DrawRowLabels(& dc);
 473     DrawCells(& dc);
 474     DrawGridLines(& dc);
 475
 476     /* Hilight present cell */
 477     SetCurrentRect(m_wCursorRow, m_wCursorColumn);
 478     if (m_currentRectVisible)
 479       HighlightCell(& dc);
 480
 481     dc.DestroyClippingRegion();
 482     dc.SetOptimization(TRUE);
 483     dc.EndDrawing();
 484 }
 485
 486 // Erase (some of) the background.
 487 // Currently, a Windows-only optimisation.
 488 void wxGenericGrid::OnEraseBackground(wxEraseEvent& event)
 489 {
 490     wxClientDC dc(this);
 491     dc.BeginDrawing();
 492     dc.SetOptimization(FALSE);
 493
 494     int w, h;
 495     GetClientSize(& w, & h);
 496     dc.SetBrush(*wxLIGHT_GREY_BRUSH);
 497     dc.SetPen(*wxLIGHT_GREY_PEN);
 498
 499     if (m_hScrollBar && m_hScrollBar->IsShown() && m_vScrollBar && m_vScrollBar->IsShown())
 500     {
 501         dc.DrawRectangle(w - m_scrollWidth, h - m_scrollWidth, m_scrollWidth, m_scrollWidth);
 502     }
 503
 504     dc.SetOptimization(TRUE);
 505     dc.EndDrawing();
 506 }
 507
 508
 509 void wxGenericGrid::DrawLabelAreas(wxDC *dc)
 510 {
 511   int cw, ch;
 512   GetClientSize(&cw, &ch);
 513
 514   dc->SetPen(*wxTRANSPARENT_PEN);
 515 //  dc->SetBrush(*dc->GetBackground());
 516
 517   // Should blank out any area which isn't going to be painted over.
 518 //  dc->DrawRectangle(m_leftOfSheet, m_bottomOfSheet, cw - m_leftOfSheet, ch - m_bottomOfSheet);
 519 //  dc->DrawRectangle(m_rightOfSheet, m_topOfSheet, cw - m_rightOfSheet, ch - m_topOfSheet);
 520
 521   // Paint the label areas
 522   dc->SetBrush(*m_labelBackgroundBrush);
 523 //  dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, m_rightOfSheet - m_leftOfSheet + 1, m_horizontalLabelHeight + 1);
 524   dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, cw-m_leftOfSheet, m_horizontalLabelHeight + 1);
 525 //  dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, m_verticalLabelWidth + 1, m_bottomOfSheet - m_topOfSheet + 1);
 526   dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, m_verticalLabelWidth + 1, ch-m_topOfSheet);
 527 }
 528
 529 void wxGenericGrid::DrawEditableArea(wxDC *dc)
 530 {
 531   int cw, ch;
 532   GetClientSize(&cw, &ch);
 533
 534   dc->SetPen(*wxTRANSPARENT_PEN);
 535   dc->SetBrush(*wxTheBrushList->FindOrCreateBrush(m_cellBackgroundColour, wxSOLID));
 536 //  dc->DrawRectangle(m_leftOfSheet+m_verticalLabelWidth, m_topOfSheet+m_horizontalLabelHeight,
 537 //      m_rightOfSheet-(m_leftOfSheet+m_verticalLabelWidth) + 1, m_bottomOfSheet - (m_topOfSheet+m_horizontalLabelHeight) + 1);
 538   dc->DrawRectangle(m_leftOfSheet+m_verticalLabelWidth, m_topOfSheet+m_horizontalLabelHeight,
 539       cw-(m_leftOfSheet+m_verticalLabelWidth), ch - (m_topOfSheet+m_horizontalLabelHeight));
 540 }
 541
 542 void wxGenericGrid::DrawGridLines(wxDC *dc)
 543 {
 544   int cw, ch;
 545   GetClientSize(&cw, &ch);
 546
 547   int i;
 548
 549   if (m_divisionPen)
 550   {
 551     dc->SetPen(*m_divisionPen);
 552
 553     int heightCount = m_topOfSheet + m_horizontalLabelHeight;
 554
 555     // Draw horizontal grey lines for cells
 556     for (i = m_scrollPosY; i < (m_totalRows+1); i++)
 557     {
 558       if (heightCount > ch)
 559         break;
 560       else
 561       {
 562         dc->DrawLine(m_leftOfSheet, heightCount,
 563                    cw, heightCount);
 564         if (i < m_totalRows)
 565           heightCount += m_rowHeights[i];
 566       }
 567     }
 568   }
 569
 570   if (m_verticalLabelWidth > 0)
 571   {
 572     dc->SetPen(*wxBLACK_PEN);
 573
 574     // Draw horizontal black lines for row labels
 575     int heightCount = m_topOfSheet + m_horizontalLabelHeight;
 576     for (i = m_scrollPosY; i < (m_totalRows+1); i++)
 577     {
 578       if (heightCount > ch)
 579         break;
 580       else
 581       {
 582         dc->DrawLine(m_leftOfSheet, heightCount,
 583                      m_verticalLabelWidth, heightCount);
 584         if (i < m_totalRows)
 585           heightCount += m_rowHeights[i];
 586       }
 587     }
 588     // Draw a black vertical line for row number cells
 589     dc->DrawLine(m_leftOfSheet + m_verticalLabelWidth, m_topOfSheet,
 590       m_leftOfSheet + m_verticalLabelWidth, ch);
 591     // First vertical line
 592     dc->DrawLine(m_leftOfSheet, m_topOfSheet, m_leftOfSheet, ch);
 593
 594     dc->SetPen(*wxWHITE_PEN);
 595
 596     // Draw highlights on row labels
 597     heightCount = m_topOfSheet + m_horizontalLabelHeight;
 598     for (i = m_scrollPosY; i < m_totalRows; i++)
 599     {
 600       if (heightCount > ch)
 601         break;
 602       else
 603       {
 604         dc->DrawLine(m_leftOfSheet+1, heightCount+1,
 605                      m_verticalLabelWidth, heightCount+1);
 606         dc->DrawLine(m_leftOfSheet+1, heightCount+1,
 607                      m_leftOfSheet+1, heightCount + m_rowHeights[i] - 1);
 608         heightCount += m_rowHeights[i];
 609       }
 610     }
 611     // Last one - down to the floor.
 612     dc->DrawLine(m_leftOfSheet+1, heightCount+1,
 613                  m_verticalLabelWidth, heightCount+1);
 614     dc->DrawLine(m_leftOfSheet+1, heightCount+1,
 615                    m_leftOfSheet+1, ch);
 616
 617   }
 618
 619   if (m_divisionPen)
 620   {
 621     dc->SetPen(*m_divisionPen);
 622
 623     // Draw vertical grey lines for cells
 624     int widthCount = m_leftOfSheet + m_verticalLabelWidth;
 625     for (i = m_scrollPosX; i < m_totalCols; i++)
 626     {
 627       if (widthCount > cw)
 628         break;
 629       else
 630       {
 631         // Skip the first one
 632         if (i != m_scrollPosX)
 633         {
 634          dc->DrawLine(widthCount, m_topOfSheet + m_horizontalLabelHeight,
 635                        widthCount, m_bottomOfSheet);
 636         }
 637         widthCount += m_colWidths[i];
 638       }
 639     }
 640     // Last one
 641     dc->DrawLine(widthCount, m_topOfSheet + m_horizontalLabelHeight,
 642                     widthCount, m_bottomOfSheet);
 643   }
 644
 645   dc->SetPen(*wxBLACK_PEN);
 646
 647   // Draw two black horizontal lines for column number cells
 648   dc->DrawLine(
 649           m_leftOfSheet, m_topOfSheet,
 650           cw, m_topOfSheet);
 651   dc->DrawLine(m_leftOfSheet,  m_topOfSheet + m_horizontalLabelHeight,
 652                cw, m_topOfSheet + m_horizontalLabelHeight);
 653
 654   if (m_horizontalLabelHeight > 0)
 655   {
 656     int widthCount = m_leftOfSheet + m_verticalLabelWidth;
 657
 658     // Draw black vertical lines for column number cells
 659     for (i = m_scrollPosX; i < m_totalCols; i++)
 660     {
 661       if (widthCount > cw)
 662         break;
 663       else
 664       {
 665         dc->DrawLine(widthCount, m_topOfSheet,
 666                       widthCount, m_topOfSheet + m_horizontalLabelHeight);
 667         widthCount += m_colWidths[i];
 668       }
 669     }
 670
 671     // Last one
 672     dc->DrawLine(widthCount, m_topOfSheet,
 673                     widthCount, m_topOfSheet + m_horizontalLabelHeight);
 674
 675     // Draw highlights
 676     dc->SetPen(*wxWHITE_PEN);
 677     widthCount = m_leftOfSheet + m_verticalLabelWidth;
 678
 679     for (i = m_scrollPosX; i < m_totalCols; i++)
 680     {
 681       if (widthCount > cw)
 682         break;
 683       else
 684       {
 685         dc->DrawLine(widthCount+1, m_topOfSheet+1,
 686                      widthCount+m_colWidths[i], m_topOfSheet+1);
 687         dc->DrawLine(widthCount+1, m_topOfSheet+1,
 688                      widthCount+1, m_topOfSheet+m_horizontalLabelHeight);
 689         widthCount += m_colWidths[i];
 690       }
 691     }
 692     // Last one - to the right side of the canvas.
 693     dc->DrawLine(widthCount+1, m_topOfSheet+1,
 694                    cw, m_topOfSheet+1);
 695     dc->DrawLine(widthCount+1, m_topOfSheet+1,
 696                    widthCount+1, m_topOfSheet+m_horizontalLabelHeight);
 697
 698   }
 699 }
 700
 701 void wxGenericGrid::DrawColumnLabels(wxDC *dc)
 702 {
 703   int cw, ch;
 704   GetClientSize(&cw, &ch);
 705
 706   if (m_horizontalLabelHeight == 0)
 707     return;
 708
 709   int i;
 710   wxRectangle rect;
 711
 712   // Draw letters for columns
 713   rect.y = m_topOfSheet + 1;
 714   rect.height = m_horizontalLabelHeight - 1;
 715
 716   dc->SetTextBackground(m_labelBackgroundColour);
 717   dc->SetBackgroundMode(wxTRANSPARENT);
 718 //  dc->SetTextForeground(m_labelTextColour);
 719
 720   int widthCount = m_leftOfSheet + m_verticalLabelWidth;
 721   for (i = m_scrollPosX; i < m_totalCols; i++)
 722   {
 723      if (widthCount > cw)
 724        break;
 725      else
 726      {
 727        rect.x = 1 + widthCount;
 728        rect.width = m_colWidths[i];
 729        DrawColumnLabel(dc, &rect, i);
 730
 731        widthCount += m_colWidths[i];
 732      }
 733   }
 734 }
 735
 736 void wxGenericGrid::DrawColumnLabel(wxDC *dc, wxRectangle *rect, int col)
 737 {
 738   wxGridCell *cell = GetLabelCell(wxHORIZONTAL, col);
 739   if (cell)
 740   {
 741     wxRectangle rect2;
 742     rect2 = *rect;
 743     rect2.x += 3;
 744     rect2.y += 2;
 745     rect2.width -= 5;
 746     rect2.height -= 4;
 747     dc->SetTextForeground(GetLabelTextColour());
 748     dc->SetFont(*GetLabelTextFont());
 749         if ( !cell->GetTextValue().IsNull() )
 750         DrawTextRect(dc, cell->GetTextValue(), &rect2, GetLabelAlignment(wxHORIZONTAL));
 751   }
 752 }
 753
 754 void wxGenericGrid::DrawRowLabels(wxDC *dc)
 755 {
 756   int cw, ch;
 757   GetClientSize(&cw, &ch);
 758
 759   if (m_verticalLabelWidth == 0)
 760     return;
 761
 762   int i;
 763   wxRectangle rect;
 764
 765   // Draw numbers for rows
 766   rect.x = m_leftOfSheet;
 767   rect.width = m_verticalLabelWidth;
 768
 769   int heightCount = m_topOfSheet + m_horizontalLabelHeight;
 770
 771   dc->SetTextBackground(m_labelBackgroundColour);
 772   dc->SetBackgroundMode(wxTRANSPARENT);
 773
 774   for (i = m_scrollPosY; i < m_totalRows; i++)
 775   {
 776      if (heightCount > ch)
 777        break;
 778      else
 779      {
 780        rect.y = 1 + heightCount;
 781        rect.height = m_rowHeights[i];
 782        DrawRowLabel(dc, &rect, i);
 783
 784        heightCount += m_rowHeights[i];
 785      }
 786   }
 787 }
 788
 789 void wxGenericGrid::DrawRowLabel(wxDC *dc, wxRectangle *rect, int row)
 790 {
 791   wxGridCell *cell = GetLabelCell(wxVERTICAL, row);
 792   if (cell)
 793   {
 794     wxRectangle rect2;
 795     rect2 = *rect;
 796     rect2.x += 3;
 797     rect2.y += 2;
 798     rect2.width -= 5;
 799     rect2.height -= 4;
 800     dc->SetTextForeground(GetLabelTextColour());
 801     dc->SetFont(*GetLabelTextFont());
 802         if ( !cell->GetTextValue().IsNull() )
 803         DrawTextRect(dc, cell->GetTextValue(), &rect2, GetLabelAlignment(wxVERTICAL));
 804   }
 805 }
 806
 807 void wxGenericGrid::DrawCells(wxDC *dc)
 808 {
 809   int cw, ch;
 810   GetClientSize(&cw, &ch);
 811
 812   int i,j;
 813
 814   // Draw value corresponding to each cell
 815   for (i = m_scrollPosY; i < m_totalRows; i++)
 816   {
 817     for (j = m_scrollPosX; j < m_totalCols; j++)
 818     {
 819       SetCurrentRect(i, j, cw, ch);
 820       if (m_currentRectVisible)
 821       {
 822         DrawCellBackground(dc, &m_currentRect, i, j);
 823         DrawCellValue(dc, &m_currentRect, i, j);
 824       }
 825       if (m_currentRect.x > cw)
 826         break;
 827     }
 828     if (m_currentRect.y > ch)
 829       break;
 830   }
 831   dc->SetBackgroundMode(wxSOLID);
 832   dc->SetPen(*wxBLACK_PEN);
 833 }
 834
 835 void wxGenericGrid::DrawCellBackground(wxDC *dc, wxRectangle *rect, int row, int col)
 836 {
 837   wxGridCell *cell = GetCell(row, col);
 838   if (cell)
 839   {
 840     dc->SetBrush(*cell->GetBackgroundBrush());
 841     dc->SetPen(*wxTRANSPARENT_PEN);
 842 #ifdef __WXMOTIF__
 843     dc->DrawRectangle(rect->x+1, rect->y+1, rect->width-1, rect->height-1);
 844 #else
 845     dc->DrawRectangle(rect->x+1, rect->y+1, rect->width, rect->height);
 846 #endif
 847     dc->SetPen(*wxBLACK_PEN);
 848   }
 849 }
 850
 851 void wxGenericGrid::DrawCellValue(wxDC *dc, wxRectangle *rect, int row, int col)
 852 {
 853   wxGridCell *cell = GetCell(row, col);
 854   if (cell)
 855   {
 856     wxBitmap *bitmap = cell->GetCellBitmap();
 857     wxRectangle rect2;
 858     rect2 = *rect;
 859     rect2.x += 3;
 860     rect2.y += 2;
 861     rect2.width -= 5;
 862     rect2.height -= 4;
 863
 864     if (bitmap)
 865     {
 866       DrawBitmapRect(dc, bitmap, &rect2, cell->GetAlignment());
 867     }
 868     else
 869     {
 870       dc->SetBackgroundMode(wxTRANSPARENT);
 871       dc->SetTextForeground(cell->GetTextColour());
 872       dc->SetFont(*cell->GetFont());
 873
 874           if ( !cell->GetTextValue().IsNull() )
 875         DrawTextRect(dc, cell->GetTextValue(), &rect2, cell->GetAlignment());
 876     }
 877   }
 878 }
 879
 880 void wxGenericGrid::AdjustScrollbars(void)
 881 {
 882   int cw, ch;
 883   GetClientSize(&cw, &ch);
 884
 885   // To calculate the number of steps for each scrollbar,
 886   // we need to see how much will fit onto the canvas
 887   // at the present size. So:
 888   // 1) Find the *last* row r1 such that when it's at the top of the
 889   //    window, all the remaining rows are visible.
 890   // 2) There should therefore be r1 - 1 steps in the scrollbar.
 891   // Similarly with columns.
 892
 893   // IGNORE THE ABOVE, it's crap.
 894   // We find the view size by seeing how many rows/cols fit on
 895   // the current view.
 896   // BUT... this means that the scrollbar should be adjusted every time
 897   // it's scrolled, as well as when sized, because with variable size rows/cols,
 898   // the number of rows/col visible on the view differs according to what bit
 899   // you're looking at. The object length is always the same, but the
 900   // view length differs.
 901
 902   // Since this may not be known until the end of this function, we should probably call AdjustScrollbars
 903   // twice.
 904   int vertScrollBarWidth = m_scrollWidth;
 905   int horizScrollBarHeight = m_scrollWidth;
 906   if (m_vScrollBar && !m_vScrollBar->IsShown())
 907     vertScrollBarWidth = 0;
 908   if (m_hScrollBar && !m_hScrollBar->IsShown())
 909     horizScrollBarHeight = 0;
 910
 911   int noHorizSteps = 0;
 912   int noVertSteps = 0;
 913
 914   if (m_totalGridWidth <= cw)
 915     noHorizSteps = 0;
 916   else
 917   {
 918     noHorizSteps = 0;
 919     int widthCount = 0;
 920 /*
 921     if (GetLabelSize(wxVERTICAL) > 0)
 922       noHorizSteps ++;
 923 */
 924
 925     int i;
 926         int nx = 0;
 927     for (i = m_scrollPosX ; i < m_totalCols; i++)
 928     {
 929       widthCount += m_colWidths[i];
 930           // A partial bit doesn't count, we still have to scroll to see the
 931           // rest of it
 932       if (widthCount + m_leftOfSheet + m_verticalLabelWidth > (cw-vertScrollBarWidth))
 933         break;
 934           else
 935             nx ++;
 936
 937     }
 938
 939     noHorizSteps += nx;
 940   }
 941   if (m_totalGridHeight <= ch)
 942     noVertSteps = 0;
 943   else
 944   {
 945     noVertSteps = 0;
 946     int heightCount = 0;
 947 /*
 948     if (GetLabelSize(wxHORIZONTAL) > 0)
 949       noVertSteps ++;
 950 */
 951
 952     int i;
 953         int ny = 0;
 954     for (i = m_scrollPosY ; i < m_totalRows; i++)
 955     {
 956       heightCount += m_rowHeights[i];
 957           // A partial bit doesn't count, we still have to scroll to see the
 958           // rest of it
 959       if (heightCount + m_topOfSheet + m_horizontalLabelHeight > (ch-horizScrollBarHeight))
 960         break;
 961           else
 962             ny ++;
 963     }
 964
 965     noVertSteps += ny;
 966   }
 967
 968   if (m_totalGridWidth <= cw)
 969   {
 970         if ( m_hScrollBar )
 971         m_hScrollBar->Show(FALSE);
 972     SetScrollPosX(0);
 973   }
 974   else
 975   {
 976         if ( m_hScrollBar )
 977         m_hScrollBar->Show(TRUE);
 978   }
 979
 980   if (m_totalGridHeight <= ch)
 981   {
 982         if ( m_vScrollBar )
 983         m_vScrollBar->Show(FALSE);
 984     SetScrollPosY(0);
 985   }
 986   else
 987   {
 988         if ( m_vScrollBar )
 989         m_vScrollBar->Show(TRUE);
 990   }
 991
 992   UpdateDimensions(); // Necessary in case m_scrollPosX/Y changed
 993
 994   vertScrollBarWidth = m_scrollWidth;
 995   horizScrollBarHeight = m_scrollWidth;
 996   if (m_vScrollBar && !m_vScrollBar->IsShown())
 997     vertScrollBarWidth = 0;
 998   if (m_hScrollBar && !m_hScrollBar->IsShown())
 999     horizScrollBarHeight = 0;
1000
1001   if (m_hScrollBar)
1002   {
1003     int nCols = GetCols();
1004 /*
1005     m_hScrollBar->SetPageSize(wxMax(noHorizSteps, 1));
1006     m_hScrollBar->SetViewLength(wxMax(noHorizSteps, 1));
1007     m_hScrollBar->SetObjectLength(nCols);
1008 */
1009     m_hScrollBar->SetScrollbar(m_hScrollBar->GetPosition(), wxMax(noHorizSteps, 1), nCols, wxMax(noHorizSteps, 1));
1010
1011     m_hScrollBar->SetSize(m_leftOfSheet, ch - m_scrollWidth,
1012       cw - vertScrollBarWidth - m_leftOfSheet, m_scrollWidth);
1013   }
1014
1015   if (m_vScrollBar)
1016   {
1017     int nRows = GetRows();
1018 /*
1019     m_vScrollBar->SetPageSize(wxMax(noVertSteps, 1));
1020     m_vScrollBar->SetViewLength(wxMax(noVertSteps, 1));
1021     m_vScrollBar->SetObjectLength(nRows);
1022 */
1023
1024     m_vScrollBar->SetScrollbar(m_vScrollBar->GetPosition(), wxMax(noVertSteps, 1), nRows, wxMax(noVertSteps, 1));
1025     m_vScrollBar->SetSize(cw - m_scrollWidth, m_topOfSheet,
1026        m_scrollWidth, ch - m_topOfSheet - horizScrollBarHeight);
1027   }
1028 }
1029
1030 void wxGenericGrid::OnSize(wxSizeEvent& WXUNUSED(event) )
1031 {
1032   if (!m_vScrollBar || !m_hScrollBar)
1033           return;
1034
1035   AdjustScrollbars();
1036
1037   int cw, ch;
1038   GetClientSize(&cw, &ch);
1039
1040   if (m_editCreated && m_editingPanel && GetTextItem() && GetTextItem()->IsShown())
1041   {
1042     m_editingPanel->SetSize(0, 0, cw, m_editControlPosition.height + m_editControlPosition.y + 2);
1043     GetTextItem()->SetSize(m_editControlPosition.x, m_editControlPosition.y,
1044       cw - m_editControlPosition.x, m_editControlPosition.height);
1045   }
1046 }
1047
1048 bool wxGenericGrid::CellHitTest(int x, int y, int *row, int *col)
1049 {
1050       // Find the selected cell and call OnSelectCell
1051       if (x >= (m_leftOfSheet + m_verticalLabelWidth) && y >= (m_topOfSheet + m_horizontalLabelHeight) &&
1052           x <= m_rightOfSheet && y <= m_bottomOfSheet)
1053       {
1054          // Calculate the cell number from x and y
1055          x -= (m_verticalLabelWidth + m_leftOfSheet);
1056          y -= (m_topOfSheet + m_horizontalLabelHeight);
1057
1058          int i;
1059
1060          // Now we need to do a hit test for which row we're on
1061          int currentHeight = 0;
1062          for (i = m_scrollPosY; i < m_totalRows; i++)
1063          {
1064             if (y >= currentHeight && y <= (currentHeight + m_rowHeights[i]))
1065             {
1066               *row = i;
1067               break;
1068             }
1069             currentHeight += m_rowHeights[i];
1070          }
1071
1072          // Now we need to do a hit test for which column we're on
1073          int currentWidth = 0;
1074          for (i = m_scrollPosX; i < m_totalCols; i++)
1075          {
1076             if (x >= currentWidth && x <= (currentWidth + m_colWidths[i]))
1077             {
1078               *col = i;
1079               break;
1080             }
1081             currentWidth += m_colWidths[i];
1082          }
1083          return TRUE;
1084        }
1085   return FALSE;
1086 }
1087
1088 bool wxGenericGrid::LabelSashHitTest(int x, int y, int *orientation, int *rowOrCol, int *startPos)
1089 {
1090   int i;
1091   int tolerance = 3;
1092
1093   if (x >= (m_leftOfSheet + m_verticalLabelWidth) && y >= m_topOfSheet &&
1094       x <= m_rightOfSheet && y <= (m_topOfSheet + m_horizontalLabelHeight))
1095   {
1096     // We may be on a column label sash.
1097     int currentWidth = m_leftOfSheet + m_verticalLabelWidth;
1098     for (i = m_scrollPosX; i < m_totalCols; i++)
1099     {
1100       if (x >= (currentWidth + m_colWidths[i] - tolerance) && x <= (currentWidth + m_colWidths[i] + tolerance))
1101       {
1102         *orientation = wxHORIZONTAL;
1103         *rowOrCol = i;
1104         *startPos = currentWidth;
1105         return TRUE;
1106       }
1107       currentWidth += m_colWidths[i];
1108     }
1109     return FALSE;
1110   }
1111   else if (x >= m_leftOfSheet && y >= (m_topOfSheet + m_horizontalLabelHeight) &&
1112       x <= (m_leftOfSheet + m_verticalLabelWidth) && y <= m_bottomOfSheet)
1113   {
1114     // We may be on a row label sash.
1115     int currentHeight = m_topOfSheet + m_horizontalLabelHeight;
1116     for (i = m_scrollPosY; i < m_totalRows; i++)
1117     {
1118       if (y >= (currentHeight + m_rowHeights[i] - tolerance) && y <= (currentHeight + m_rowHeights[i] + tolerance))
1119       {
1120         *orientation = wxVERTICAL;
1121         *rowOrCol = i;
1122         *startPos = currentHeight;
1123         return TRUE;
1124       }
1125       currentHeight += m_rowHeights[i];
1126     }
1127     return FALSE;
1128   }
1129   return FALSE;
1130 }
1131
1132 bool wxGenericGrid::LabelHitTest(int x, int y, int *row, int *col)
1133 {
1134       // Find the selected label
1135       if (x >= m_leftOfSheet && y >= m_topOfSheet &&
1136           x <= m_rightOfSheet && y <= m_bottomOfSheet)
1137       {
1138          // Calculate the cell number from x and y
1139          x -= m_leftOfSheet;
1140          y -= m_topOfSheet;
1141
1142          int i;
1143
1144          // Now we need to do a hit test for which row we're on
1145          int currentHeight = m_horizontalLabelHeight;
1146          for (i = m_scrollPosY; i < m_totalRows; i++)
1147          {
1148             if (y >= currentHeight && y <= (currentHeight + m_rowHeights[i]))
1149             {
1150               *row = i;
1151               break;
1152             }
1153             currentHeight += m_rowHeights[i];
1154          }
1155          if (y >= 0 && y <= m_horizontalLabelHeight)
1156          {
1157              *row = -1;
1158          }
1159
1160          // Now we need to do a hit test for which column we're on
1161          int currentWidth = m_verticalLabelWidth;
1162          for (i = m_scrollPosX; i < m_totalCols; i++)
1163          {
1164             if (x >= currentWidth && x <= (currentWidth + m_colWidths[i]))
1165             {
1166               *col = i;
1167               break;
1168             }
1169             currentWidth += m_colWidths[i];
1170          }
1171          if (x >= 0 && x <= m_verticalLabelWidth)
1172          {
1173              *col = -1;
1174          }
1175
1176          if ((*col == -1) || (*row == -1))
1177          {
1178              return TRUE;
1179          }
1180        }
1181   return FALSE;
1182 }
1183
1184 void wxGenericGrid::OnMouseEvent(wxMouseEvent& ev)
1185 {
1186   if (ev.LeftDown())
1187   {
1188     wxClientDC dc(this);
1189     dc.BeginDrawing();
1190
1191     int row, col;
1192     if (CellHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1193     {
1194       OnSelectCellImplementation(& dc, row, col);
1195       OnCellLeftClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1196     }
1197     if (LabelHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1198     {
1199       OnLabelLeftClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1200     }
1201     dc.EndDrawing();
1202   }
1203   else if (ev.Dragging() && ev.LeftIsDown())
1204   {
1205     switch (m_dragStatus)
1206     {
1207       case wxGRID_DRAG_NONE:
1208       {
1209         int orientation;
1210         if (LabelSashHitTest((int)ev.GetX(), (int)ev.GetY(), &orientation, &m_dragRowOrCol, &m_dragStartPosition))
1211         {
1212           if (orientation == wxHORIZONTAL)
1213           {
1214             m_dragStatus = wxGRID_DRAG_LEFT_RIGHT;
1215             SetCursor(*m_horizontalSashCursor);
1216             m_dragLastPosition = (int)ev.GetX();
1217           }
1218           else
1219           {
1220             m_dragStatus = wxGRID_DRAG_UP_DOWN;
1221             SetCursor(*m_verticalSashCursor);
1222             m_dragLastPosition = (int)ev.GetY();
1223           }
1224           wxClientDC dc(this);
1225           dc.BeginDrawing();
1226           dc.SetLogicalFunction(wxINVERT);
1227           if (orientation == wxHORIZONTAL)
1228             dc.DrawLine((int)ev.GetX(), m_topOfSheet, (int)ev.GetX(), m_bottomOfSheet);
1229           else
1230             dc.DrawLine(m_leftOfSheet, (int)ev.GetY(), m_rightOfSheet, (int)ev.GetY());
1231           dc.EndDrawing();
1232
1233           CaptureMouse();
1234         }
1235         break;
1236       }
1237       case wxGRID_DRAG_LEFT_RIGHT:
1238       {
1239         wxClientDC dc(this);
1240         dc.BeginDrawing();
1241         dc.SetLogicalFunction(wxINVERT);
1242         dc.DrawLine(m_dragLastPosition, m_topOfSheet, m_dragLastPosition, m_bottomOfSheet);
1243
1244         dc.DrawLine((int)ev.GetX(), m_topOfSheet, (int)ev.GetX(), m_bottomOfSheet);
1245         dc.EndDrawing();
1246
1247         m_dragLastPosition = (int)ev.GetX();
1248         SetCursor(*m_horizontalSashCursor);
1249         break;
1250       }
1251       case wxGRID_DRAG_UP_DOWN:
1252       {
1253         wxClientDC dc(this);
1254         dc.BeginDrawing();
1255         dc.SetLogicalFunction(wxINVERT);
1256         dc.DrawLine(m_leftOfSheet, m_dragLastPosition, m_rightOfSheet, m_dragLastPosition);
1257
1258         dc.DrawLine(m_leftOfSheet, (int)ev.GetY(), m_rightOfSheet, (int)ev.GetY());
1259         dc.EndDrawing();
1260
1261         m_dragLastPosition = (int)ev.GetY();
1262         SetCursor(*m_verticalSashCursor);
1263         break;
1264       }
1265     }
1266   }
1267   else if (ev.Moving())
1268   {
1269     int rowOrCol, orientation, startPos;
1270     if (LabelSashHitTest((int)ev.GetX(), (int)ev.GetY(), &orientation, &rowOrCol, &startPos))
1271     {
1272       if (orientation == wxHORIZONTAL)
1273         SetCursor(*m_horizontalSashCursor);
1274        else
1275         SetCursor(*m_verticalSashCursor);
1276     }
1277     else
1278       SetCursor(*wxSTANDARD_CURSOR);
1279   }
1280   else if (ev.LeftUp())
1281   {
1282     switch (m_dragStatus)
1283     {
1284       case wxGRID_DRAG_LEFT_RIGHT:
1285       {
1286         wxClientDC dc(this);
1287         dc.BeginDrawing();
1288         dc.SetLogicalFunction(wxINVERT);
1289         dc.DrawLine(m_dragLastPosition, m_topOfSheet, m_dragLastPosition, m_bottomOfSheet);
1290         dc.SetLogicalFunction(wxCOPY);
1291         dc.EndDrawing();
1292
1293         ReleaseMouse();
1294         if (ev.GetX() > m_dragStartPosition)
1295         {
1296           m_colWidths[m_dragRowOrCol] = (short)(ev.GetX() - m_dragStartPosition);
1297           UpdateDimensions();
1298           AdjustScrollbars();
1299           Refresh();
1300         }
1301         SetCursor(*wxSTANDARD_CURSOR);
1302         int cw, ch;
1303         GetClientSize(&cw, &ch);
1304                 wxSizeEvent evt;
1305         OnSize(evt);
1306         break;
1307       }
1308       case wxGRID_DRAG_UP_DOWN:
1309       {
1310         wxClientDC dc(this);
1311         dc.BeginDrawing();
1312         dc.SetLogicalFunction(wxINVERT);
1313         dc.DrawLine(m_leftOfSheet, m_dragLastPosition, m_rightOfSheet, m_dragLastPosition);
1314         dc.SetLogicalFunction(wxCOPY);
1315         dc.EndDrawing();
1316
1317         ReleaseMouse();
1318         if (ev.GetY() > m_dragStartPosition)
1319         {
1320           m_rowHeights[m_dragRowOrCol] = (short)(ev.GetY() - m_dragStartPosition);
1321           UpdateDimensions();
1322           AdjustScrollbars();
1323           Refresh();
1324         }
1325         SetCursor(*wxSTANDARD_CURSOR);
1326         break;
1327       }
1328     }
1329     m_dragStatus = wxGRID_DRAG_NONE;
1330   }
1331   else if (ev.RightDown())
1332   {
1333     int row, col;
1334     if (CellHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1335     {
1336       OnCellRightClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1337     }
1338     if (LabelHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1339     {
1340       OnLabelRightClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1341     }
1342   }
1343 }
1344
1345 void wxGenericGrid::OnSelectCellImplementation(wxDC *dc, int row, int col)
1346 {
1347   m_wCursorColumn = col;
1348   m_wCursorRow = row;
1349
1350   OnChangeSelectionLabel();
1351
1352   SetGridClippingRegion(dc);
1353
1354   // Remove the highlight from the old cell
1355   if (m_currentRectVisible)
1356      HighlightCell(dc);
1357
1358   // Highlight the new cell and copy its content to the edit control
1359   SetCurrentRect(m_wCursorRow, m_wCursorColumn);
1360   wxGridCell *cell = GetCell(m_wCursorRow, m_wCursorColumn);
1361   if (cell)
1362   {
1363         if ( cell->GetTextValue().IsNull() )
1364                 m_textItem->SetValue("");
1365         else
1366         m_textItem->SetValue(cell->GetTextValue());
1367   }
1368
1369   SetGridClippingRegion(dc);
1370
1371   // Why isn't this needed for Windows??
1372   // Probably because of the SetValue??
1373 #ifndef __WXMSW__
1374   HighlightCell(dc);
1375 #endif
1376   dc->DestroyClippingRegion();
1377
1378   OnSelectCell(row, col);
1379 }
1380
1381 wxGridCell *wxGenericGrid::OnCreateCell(void)
1382 {
1383   return new wxGridCell(this);
1384 }
1385
1386 void wxGenericGrid::OnChangeLabels(void)
1387 {
1388   char buf[100];
1389   int i;
1390   for (i = 0; i < m_totalRows; i++)
1391   {
1392     sprintf(buf, "%d", i+1);
1393     SetLabelValue(wxVERTICAL, buf, i);
1394   }
1395   // A...Z,AA...ZZ,AAA...ZZZ, etc.
1396   for (i = 0; i < m_totalCols; i++)
1397   {
1398     int j;
1399     int noTimes = (i/26 + 1);
1400     int ch = (i % 26) + 65;
1401     buf[0] = 0;
1402     for (j = 0; j < noTimes; j++)
1403     {
1404       char buf2[20];
1405       sprintf(buf2, "%c", (char)ch);
1406       strcat(buf, buf2);
1407     }
1408     SetLabelValue(wxHORIZONTAL, buf, i);
1409   }
1410 }
1411
1412 void wxGenericGrid::OnChangeSelectionLabel(void)
1413 {
1414   if (!GetEditable())
1415     return;
1416
1417   wxString rowLabel(GetLabelValue(wxVERTICAL, GetCursorRow()));
1418   wxString colLabel(GetLabelValue(wxHORIZONTAL, GetCursorColumn()));
1419
1420   wxString newLabel = colLabel + rowLabel;
1421   if ((newLabel.Length() > 0) && (newLabel.Length() <= 8) && GetTextItem())
1422   {
1423 //    GetTextItem()->SetLabel(newLabel);
1424   }
1425 }
1426
1427 void wxGenericGrid::HighlightCell(wxDC *dc)
1428 {
1429   dc->SetLogicalFunction(wxINVERT);
1430   // Top
1431   dc->DrawLine(m_currentRect.x + 1, m_currentRect.y + 1, m_currentRect.x + m_currentRect.width - 1, m_currentRect.y + 1);
1432   // Right
1433   dc->DrawLine(m_currentRect.x + m_currentRect.width - 1, m_currentRect.y + 1,
1434       m_currentRect.x + m_currentRect.width - 1, m_currentRect.y +m_currentRect.height - 1);
1435   // Bottom
1436   dc->DrawLine(m_currentRect.x + m_currentRect.width - 1, m_currentRect.y + m_currentRect.height - 1,
1437          m_currentRect.x + 1, m_currentRect.y + m_currentRect.height - 1);
1438   // Left
1439   dc->DrawLine(m_currentRect.x + 1, m_currentRect.y + m_currentRect.height - 1, m_currentRect.x + 1, m_currentRect.y + 1);
1440
1441   dc->SetLogicalFunction(wxCOPY);
1442 }
1443
1444 void wxGenericGrid::DrawCellText(void)
1445 {
1446   if (!m_currentRectVisible)
1447     return;
1448
1449   wxGridCell *cell = GetCell(GetCursorRow(), GetCursorColumn());
1450   if (!cell)
1451     return;
1452
1453   static char szEdit[300];
1454
1455   wxClientDC dc(this);
1456   dc.BeginDrawing();
1457
1458   SetGridClippingRegion(& dc);
1459
1460   dc.SetBackgroundMode(wxTRANSPARENT);
1461   dc.SetBrush(*cell->GetBackgroundBrush());
1462
1463   strcpy(szEdit, m_textItem->GetValue());
1464
1465   wxRectangle rect;
1466   rect = m_currentRect;
1467   rect.x += 3;
1468   rect.y += 2;
1469   rect.width -= 5;
1470   rect.height -= 4;
1471
1472   DrawTextRect(& dc, "                                    ", &rect, wxLEFT);
1473   DrawTextRect(& dc, szEdit, &rect, cell->GetAlignment());
1474
1475   dc.DestroyClippingRegion();
1476
1477   dc.SetBackgroundMode(wxSOLID);
1478
1479   dc.EndDrawing();
1480 }
1481
1482 void wxGenericGrid::SetCurrentRect(int Row, int Column, int canvasW, int canvasH)
1483 {
1484   int currentWidth = m_leftOfSheet + m_verticalLabelWidth;
1485   int i;
1486   for (i = m_scrollPosX; i < Column; i++)
1487     currentWidth += m_colWidths[i];
1488
1489   int currentHeight = m_topOfSheet + m_horizontalLabelHeight;
1490   for (i = m_scrollPosY; i < Row; i++)
1491     currentHeight += m_rowHeights[i];
1492
1493   m_currentRect.x = currentWidth;
1494   m_currentRect.y = currentHeight;
1495   m_currentRect.width = m_colWidths ? (m_colWidths[Column]) : 0;
1496   m_currentRect.height = m_rowHeights ? (m_rowHeights[Row]) : 0;
1497
1498   if (Row < m_scrollPosY || Column < m_scrollPosX)
1499     m_currentRectVisible = FALSE;
1500   else if ((canvasW != -1 && canvasH != -1) && (m_currentRect.x > canvasW || m_currentRect.y > canvasH))
1501     m_currentRectVisible = FALSE;
1502   else m_currentRectVisible = TRUE;
1503 }
1504
1505 static bool wxRectIntersection(wxRectangle *rect1, wxRectangle *rect2, wxRectangle *rect3)
1506 {
1507   int x2_1 = rect1->x + rect1->width;
1508   int y2_1 = rect1->y + rect1->height;
1509
1510   int x2_2 = rect2->x + rect2->width;
1511   int y2_2 = rect2->y + rect2->height;
1512
1513   int x2_3, y2_3;
1514
1515   // Check for intersection
1516   if ((rect1->x > x2_2) || (rect2->x > x2_1) ||
1517       (rect1->y > y2_2) || (rect2->y > y2_1))
1518   {
1519     // No intersection
1520     rect3->x = rect3->y = rect3->width = rect3->height = 0;
1521     return FALSE;
1522   }
1523
1524   if (rect1->x > rect2->x)
1525     rect3->x = rect1->x;
1526   else
1527     rect3->x = rect2->x;
1528   if (rect1->y > rect2->y)
1529     rect3->y = rect1->y;
1530   else
1531     rect3->y = rect2->y;
1532
1533   if (x2_1 > x2_2)
1534     x2_3 = x2_2;
1535   else
1536     x2_3 = x2_1;
1537   if (y2_1 > y2_2)
1538     y2_3 = y2_2;
1539   else
1540     y2_3 = y2_1;
1541
1542   rect3->width = (int)(x2_3 - rect3->x);
1543   rect3->height = (int)(y2_3 - rect3->y);
1544   return TRUE;
1545 }
1546
1547 void wxGenericGrid::DrawTextRect(wxDC *dc, const wxString& text, wxRectangle *rect, int flag)
1548 {
1549   dc->BeginDrawing();
1550
1551   // Ultimately, this functionality should be built into wxWindows,
1552   // and optimized for each platform. E.g. on Windows, use DrawText
1553   // passing a clipping rectangle, so that the wxWindows clipping region
1554   // does not have to be used to implement this.
1555
1556   // If we're already clipping, we need to find the intersection
1557   // between current clipping area and text clipping area.
1558
1559   wxRectangle clipRect;
1560   wxRectangle clipRect2;
1561   long clipX, clipY, clipW, clipH;
1562   dc->GetClippingBox(&clipX, &clipY, &clipW, &clipH);
1563   clipRect.x = (int)clipX; clipRect.y = (int)clipY;
1564   clipRect.width = (int)clipW; clipRect.height = (int)clipH;
1565
1566   bool alreadyClipping = TRUE;
1567
1568   if (clipRect.x == 0 && clipRect.y == 0 && clipRect.width == 0 && clipRect.height == 0)
1569   {
1570     alreadyClipping = FALSE;
1571     clipRect2.x = rect->x; clipRect2.y = rect->y;
1572     clipRect2.width = rect->width; clipRect2.height = rect->height;
1573   }
1574   else
1575   {
1576     // Find intersection.
1577     if (!wxRectIntersection(rect, &clipRect, &clipRect2))
1578       return;
1579   }
1580
1581   if (alreadyClipping)
1582     dc->DestroyClippingRegion();
1583
1584   dc->SetClippingRegion(clipRect2.x, clipRect2.y, clipRect2.width, clipRect2.height);
1585   long textWidth, textHeight;
1586
1587   dc->GetTextExtent(text, &textWidth, &textHeight);
1588
1589   // Do alignment
1590   float x,y;
1591   switch (flag)
1592   {
1593     case wxRIGHT:
1594     {
1595       x = (rect->x + rect->width - textWidth - 1.0);
1596       y = (rect->y + (rect->height - textHeight)/2.0);
1597       break;
1598     }
1599     case wxCENTRE:
1600     {
1601       x = (rect->x + (rect->width - textWidth)/2.0);
1602       y = (rect->y + (rect->height - textHeight)/2.0);
1603       break;
1604     }
1605     case wxLEFT:
1606     default:
1607     {
1608       x = (rect->x + 1.0);
1609       y = (rect->y + (rect->height - textHeight)/2.0);
1610       break;
1611     }
1612   }
1613   dc->DrawText(text, (long)x, (long)y );
1614
1615   dc->DestroyClippingRegion();
1616
1617   // Restore old clipping
1618   if (alreadyClipping)
1619     dc->SetClippingRegion(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
1620
1621   dc->EndDrawing();
1622 }
1623
1624 void wxGenericGrid::DrawBitmapRect(wxDC *dc, wxBitmap *bitmap, wxRectangle *rect, int flag)
1625 {
1626   dc->BeginDrawing();
1627
1628   // Ultimately, this functionality should be built into wxWindows,
1629   // and optimized for each platform. E.g. on Windows, use DrawText
1630   // passing a clipping rectangle, so that the wxWindows clipping region
1631   // does not have to be used to implement this.
1632
1633   // If we're already clipping, we need to find the intersection
1634   // between current clipping area and text clipping area.
1635
1636   wxRectangle clipRect;
1637   wxRectangle clipRect2;
1638   long clipX, clipY, clipW, clipH;
1639   dc->GetClippingBox(&clipX, &clipY, &clipW, &clipH);
1640   clipRect.x = (int)clipX; clipRect.y = (int)clipY;
1641   clipRect.width = (int)clipW; clipRect.height = (int)clipH;
1642
1643   bool alreadyClipping = TRUE;
1644
1645   if (clipRect.x == 0 && clipRect.y == 0 && clipRect.width == 0 && clipRect.height == 0)
1646   {
1647     alreadyClipping = FALSE;
1648     clipRect2.x = rect->x; clipRect2.y = rect->y;
1649     clipRect2.width = rect->width; clipRect2.height = rect->height;
1650   }
1651   else
1652   {
1653     // Find intersection.
1654     if (!wxRectIntersection(rect, &clipRect, &clipRect2))
1655       return;
1656   }
1657
1658   if (alreadyClipping)
1659     dc->DestroyClippingRegion();
1660
1661   dc->SetClippingRegion(clipRect2.x, clipRect2.y, clipRect2.width, clipRect2.height);
1662   float bitmapWidth, bitmapHeight;
1663
1664   bitmapWidth = bitmap->GetWidth();
1665   bitmapHeight = bitmap->GetHeight();
1666
1667   // Do alignment
1668   long x,y;
1669   switch (flag)
1670   {
1671     case wxRIGHT:
1672     {
1673       x = (long)(rect->x + rect->width - bitmapWidth - 1);
1674       y = (long)(rect->y + (rect->height - bitmapHeight)/2.0);
1675       break;
1676     }
1677     case wxCENTRE:
1678     {
1679       x = (long)(rect->x + (rect->width - bitmapWidth)/2.0);
1680       y = (long)(rect->y + (rect->height - bitmapHeight)/2.0);
1681       break;
1682     }
1683     case wxLEFT:
1684     default:
1685     {
1686       x = (long)(rect->x + 1);
1687       y = (long)(rect->y + (rect->height - bitmapHeight)/2.0);
1688       break;
1689     }
1690   }
1691   wxMemoryDC dcTemp;
1692   dcTemp.SelectObject(*bitmap);
1693
1694   dc->Blit( (long)x, (long)y, (long)bitmapWidth, (long)bitmapHeight, &dcTemp, 0, 0);
1695   dcTemp.SelectObject(wxNullBitmap);
1696
1697   dc->DestroyClippingRegion();
1698
1699   // Restore old clipping
1700   if (alreadyClipping)
1701     dc->SetClippingRegion(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
1702
1703   dc->EndDrawing();
1704 }
1705
1706 void wxGenericGrid::OnActivate(bool active)
1707 {
1708   if (active)
1709   {
1710     // Edit control should always have the focus
1711     if (GetTextItem() && GetEditable())
1712     {
1713       GetTextItem()->SetFocus();
1714       wxGridCell *cell = GetCell(GetCursorRow(), GetCursorColumn());
1715       if (cell)
1716         GetTextItem()->SetValue(cell->GetTextValue());
1717     }
1718   }
1719 }
1720
1721 void wxGenericGrid::SetCellValue(const wxString& val, int row, int col)
1722 {
1723   wxGridCell *cell = GetCell(row, col);
1724   if (cell)
1725   {
1726     cell->SetTextValue(val);
1727
1728     RefreshCell(row, col, TRUE);
1729   }
1730 }
1731
1732 void wxGenericGrid::RefreshCell(int row, int col, bool setText)
1733 {
1734     // Don't refresh within a pair of batch brackets
1735     if (GetBatchCount() > 0)
1736         return;
1737
1738     int cw, ch;
1739     GetClientSize(&cw, &ch);
1740
1741     SetCurrentRect(row, col, cw, ch);
1742     if (m_currentRectVisible)
1743     {
1744       wxGridCell *cell = GetCell(row, col);
1745
1746       bool currentPos = FALSE;
1747       if (row == m_wCursorRow && col == m_wCursorColumn && GetTextItem() && GetTextItem()->IsShown() && setText)
1748       {
1749         GetTextItem()->SetValue(cell->GetTextValue());
1750         currentPos = TRUE;
1751       }
1752       // Gets refreshed anyway in MSW
1753 #ifdef __WXMSW__
1754       if (!currentPos)
1755 #endif
1756       {
1757         wxClientDC dc(this);
1758         dc.BeginDrawing();
1759         DrawCellBackground(& dc, &m_currentRect, row, col);
1760         DrawCellValue(& dc, &m_currentRect, row, col);
1761         dc.EndDrawing();
1762       }
1763     }
1764 }
1765
1766 wxString& wxGenericGrid::GetCellValue(int row, int col)
1767 {
1768   static wxString emptyString("");
1769
1770   wxGridCell *cell = GetCell(row, col);
1771   if (cell)
1772     return cell->GetTextValue();
1773   else
1774     return emptyString;
1775 }
1776
1777 void wxGenericGrid::SetColumnWidth(int col, int width)
1778 {
1779   if (col <= m_totalCols)
1780     m_colWidths[col] = width;
1781 }
1782
1783 int wxGenericGrid::GetColumnWidth(int col)
1784 {
1785   if (col <= m_totalCols)
1786     return m_colWidths[col];
1787   else
1788     return 0;
1789 }
1790
1791 void wxGenericGrid::SetRowHeight(int row, int height)
1792 {
1793   if (row <= m_totalRows)
1794     m_rowHeights[row] = height;
1795 }
1796
1797 int wxGenericGrid::GetRowHeight(int row)
1798 {
1799   if (row <= m_totalRows)
1800     return m_rowHeights[row];
1801   else
1802     return 0;
1803 }
1804
1805 void wxGenericGrid::SetLabelSize(int orientation, int sz)
1806 {
1807   if (orientation == wxHORIZONTAL)
1808     m_horizontalLabelHeight = sz;
1809   else
1810     m_verticalLabelWidth = sz;
1811   UpdateDimensions();
1812   SetCurrentRect(GetCursorRow(), GetCursorColumn());
1813 }
1814
1815 int wxGenericGrid::GetLabelSize(int orientation)
1816 {
1817   if (orientation == wxHORIZONTAL)
1818     return m_horizontalLabelHeight;
1819   else
1820     return m_verticalLabelWidth;
1821 }
1822
1823 wxGridCell *wxGenericGrid::GetLabelCell(int orientation, int pos)
1824 {
1825   if (orientation == wxHORIZONTAL)
1826   {
1827     if (m_colLabelCells && pos < m_totalCols)
1828       return m_colLabelCells[pos];
1829     else
1830       return NULL;
1831   }
1832   else
1833   {
1834     if (m_rowLabelCells && pos < m_totalRows)
1835       return m_rowLabelCells[pos];
1836     else
1837       return NULL;
1838   }
1839 }
1840
1841 void wxGenericGrid::SetLabelValue(int orientation, const wxString& val, int pos)
1842 {
1843   wxGridCell *cell = GetLabelCell(orientation, pos);
1844   if (cell)
1845     cell->SetTextValue(val);
1846 }
1847
1848 wxString& wxGenericGrid::GetLabelValue(int orientation, int pos)
1849 {
1850  static wxString emptyString = "";
1851   wxGridCell *cell = GetLabelCell(orientation, pos);
1852   if (cell)
1853     return cell->GetTextValue();
1854   else
1855     return emptyString;
1856 }
1857
1858 void wxGenericGrid::SetLabelAlignment(int orientation, int align)
1859 {
1860   if (orientation == wxHORIZONTAL)
1861     m_horizontalLabelAlignment = align;
1862   else
1863     m_verticalLabelAlignment = align;
1864   UpdateDimensions();
1865   SetCurrentRect(GetCursorRow(), GetCursorColumn());
1866 }
1867
1868 int wxGenericGrid::GetLabelAlignment(int orientation)
1869 {
1870   if (orientation == wxHORIZONTAL)
1871     return m_horizontalLabelAlignment;
1872   else
1873     return m_verticalLabelAlignment;
1874 }
1875
1876 void wxGenericGrid::SetLabelTextColour(const wxColour& colour)
1877 {
1878   m_labelTextColour = colour;
1879
1880 }
1881
1882 void wxGenericGrid::SetLabelBackgroundColour(const wxColour& colour)
1883 {
1884   m_labelBackgroundColour = colour;
1885   m_labelBackgroundBrush = wxTheBrushList->FindOrCreateBrush(m_labelBackgroundColour, wxSOLID);
1886 }
1887
1888 void wxGenericGrid::SetEditable(bool edit)
1889 {
1890   m_editable = edit;
1891   if (edit)
1892   {
1893     int controlW, controlH;
1894     m_textItem->GetSize(&controlW, &controlH);
1895     m_editControlPosition.height = controlH;
1896
1897     m_topOfSheet = m_editControlPosition.x + controlH + 2;
1898     if (m_textItem)
1899     {
1900       m_editingPanel->Show(TRUE);
1901       m_textItem->Show(TRUE);
1902       m_textItem->SetFocus();
1903     }
1904   }
1905   else
1906   {
1907     m_topOfSheet = 0;
1908     if (m_textItem)
1909     {
1910       m_textItem->Show(FALSE);
1911       m_editingPanel->Show(FALSE);
1912     }
1913   }
1914   UpdateDimensions();
1915   SetCurrentRect(GetCursorRow(), GetCursorColumn());
1916
1917   int cw, ch;
1918   GetClientSize(&cw, &ch);
1919   wxSizeEvent evt;
1920   OnSize(evt);
1921 /*
1922   int cw, ch;
1923   int m_scrollWidth = 16;
1924   GetClientSize(&cw, &ch);
1925
1926   if (m_vScrollBar)
1927     m_vScrollBar->SetSize(cw - m_scrollWidth, m_topOfSheet,
1928        m_scrollWidth, ch - m_topOfSheet - m_scrollWidth);
1929 */
1930 }
1931
1932 void wxGenericGrid::SetCellAlignment(int flag, int row, int col)
1933 {
1934   wxGridCell *cell = GetCell(row, col);
1935   if (cell)
1936     cell->SetAlignment(flag);
1937 }
1938
1939 int wxGenericGrid::GetCellAlignment(int row, int col)
1940 {
1941   wxGridCell *cell = GetCell(row, col);
1942   if (cell)
1943     return cell->GetAlignment();
1944   else
1945     return m_cellAlignment;
1946 }
1947
1948 void wxGenericGrid::SetCellAlignment(int flag)
1949 {
1950   m_cellAlignment = flag;
1951   int i,j;
1952   for (i = 0; i < GetRows(); i++)
1953     for (j = 0; j < GetCols(); j++)
1954       if (GetCell(i, j))
1955         GetCell(i, j)->SetAlignment(flag);
1956 }
1957
1958 int wxGenericGrid::GetCellAlignment(void)
1959 {
1960   return m_cellAlignment;
1961 }
1962
1963 void wxGenericGrid::SetCellBackgroundColour(const wxColour& col)
1964 {
1965   m_cellBackgroundColour = col;
1966   int i,j;
1967   for (i = 0; i < GetRows(); i++)
1968     for (j = 0; j < GetCols(); j++)
1969       if (GetCell(i, j))
1970         GetCell(i, j)->SetBackgroundColour(col);
1971 }
1972
1973 void wxGenericGrid::SetCellBackgroundColour(const wxColour& val, int row, int col)
1974 {
1975   wxGridCell *cell = GetCell(row, col);
1976   if (cell)
1977   {
1978     cell->SetBackgroundColour(val);
1979     RefreshCell(row, col);
1980   }
1981 }
1982
1983 wxColour& wxGenericGrid::GetCellBackgroundColour(int row, int col)
1984 {
1985   wxGridCell *cell = GetCell(row, col);
1986   if (cell)
1987     return cell->GetBackgroundColour();
1988   else
1989     return m_cellBackgroundColour;
1990 }
1991
1992 void wxGenericGrid::SetCellTextColour(const wxColour& val, int row, int col)
1993 {
1994   wxGridCell *cell = GetCell(row, col);
1995   if (cell)
1996   {
1997     cell->SetTextColour(val);
1998     RefreshCell(row, col);
1999   }
2000 }
2001
2002 void wxGenericGrid::SetCellTextFont(wxFont *fnt, int row, int col)
2003 {
2004   wxGridCell *cell = GetCell(row, col);
2005   if (cell)
2006   {
2007     cell->SetFont(fnt);
2008     RefreshCell(row, col);
2009   }
2010 }
2011
2012 wxFont *wxGenericGrid::GetCellTextFont(int row, int col)
2013 {
2014   wxGridCell *cell = GetCell(row, col);
2015   if (cell)
2016     return cell->GetFont();
2017   else
2018     return m_cellTextFont;
2019 }
2020
2021 wxColour& wxGenericGrid::GetCellTextColour(int row, int col)
2022 {
2023   wxGridCell *cell = GetCell(row, col);
2024   if (cell)
2025     return cell->GetTextColour();
2026   else
2027     return m_cellTextColour;
2028 }
2029
2030 void wxGenericGrid::SetCellTextColour(const wxColour& val)
2031 {
2032   m_cellTextColour = val;
2033   int i,j;
2034   for (i = 0; i < GetRows(); i++)
2035     for (j = 0; j < GetCols(); j++)
2036       if (GetCell(i, j))
2037         GetCell(i, j)->SetTextColour(val);
2038 }
2039
2040 void wxGenericGrid::SetCellTextFont(wxFont *fnt)
2041 {
2042   m_cellTextFont = fnt;
2043   int i,j;
2044   for (i = 0; i < GetRows(); i++)
2045     for (j = 0; j < GetCols(); j++)
2046       if (GetCell(i, j))
2047         GetCell(i, j)->SetFont(fnt);
2048 }
2049
2050 void wxGenericGrid::SetCellBitmap(wxBitmap *bitmap, int row, int col)
2051 {
2052   wxGridCell *cell = GetCell(row, col);
2053   if (cell)
2054   {
2055     cell->SetCellBitmap(bitmap);
2056     RefreshCell(row, col);
2057   }
2058 }
2059
2060 wxBitmap *wxGenericGrid::GetCellBitmap(int row, int col)
2061 {
2062   wxGridCell *cell = GetCell(row, col);
2063   if (cell)
2064   {
2065     return cell->GetCellBitmap();
2066   }
2067   else
2068     return NULL;
2069 }
2070
2071 bool wxGenericGrid::InsertCols(int pos, int n, bool updateLabels)
2072 {
2073   if (pos > m_totalCols)
2074     return FALSE;
2075
2076   if (!m_gridCells)
2077     return CreateGrid(1, n);
2078   else
2079   {
2080     int i, j;
2081     // Cells
2082     for (i = 0; i < m_totalRows; i++)
2083     {
2084       wxGridCell **cols = m_gridCells[i];
2085       wxGridCell **newCols = new wxGridCell *[m_totalCols + n];
2086       for (j = 0; j < pos; j++)
2087         newCols[j] = cols[j];
2088       for (j = pos; j < pos + n; j++)
2089         newCols[j] = new wxGridCell(this);
2090       for (j = pos + n; j < m_totalCols + n; j++)
2091         newCols[j] = cols[j - n];
2092
2093       delete[] cols;
2094       m_gridCells[i] = newCols;
2095     }
2096
2097     // Column widths
2098     short *newColWidths = new short[m_totalCols + n];
2099     for (j = 0; j < pos; j++)
2100       newColWidths[j] = m_colWidths[j];
2101     for (j = pos; j < pos + n; j++)
2102       newColWidths[j] = wxGRID_DEFAULT_CELL_WIDTH;
2103     for (j = pos + n; j < m_totalCols + n; j++)
2104       newColWidths[j] = m_colWidths[j - n];
2105     delete[] m_colWidths;
2106     m_colWidths = newColWidths;
2107
2108     // Column labels
2109     wxGridCell **newLabels = new wxGridCell *[m_totalCols + n];
2110     for (j = 0; j < pos; j++)
2111       newLabels[j] = m_colLabelCells[j];
2112     for (j = pos; j < pos + n; j++)
2113       newLabels[j] = new wxGridCell(this);
2114     for (j = pos + n; j < m_totalCols + n; j++)
2115       newLabels[j] = m_colLabelCells[j - n];
2116
2117     delete[] m_colLabelCells;
2118     m_colLabelCells = newLabels;
2119
2120     m_totalCols += n;
2121
2122     if (updateLabels)
2123       OnChangeLabels();
2124     UpdateDimensions();
2125     AdjustScrollbars();
2126     return TRUE;
2127   }
2128 }
2129
2130 bool wxGenericGrid::InsertRows(int pos, int n, bool updateLabels)
2131 {
2132   if (pos > m_totalRows)
2133     return FALSE;
2134
2135   if (!m_gridCells)
2136     return CreateGrid(n, 1);
2137   else
2138   {
2139     int i, j;
2140
2141     wxGridCell ***rows = new wxGridCell **[m_totalRows + n];
2142
2143     // Cells
2144     for (i = 0; i < pos; i++)
2145       rows[i] = m_gridCells[i];
2146
2147     for (i = pos; i < pos + n; i++)
2148     {
2149       rows[i] = new wxGridCell *[m_totalCols];
2150       for (j = 0; j < m_totalCols; j++)
2151         rows[i][j] = new wxGridCell(this);
2152     }
2153
2154     for (i = pos + n; i < m_totalRows + n; i++)
2155       rows[i] = m_gridCells[i - n];
2156
2157     delete[] m_gridCells;
2158     m_gridCells = rows;
2159
2160     // Row heights
2161     short *newRowHeights = new short[m_totalRows + n];
2162     for (i = 0; i < pos; i++)
2163       newRowHeights[i] = m_rowHeights[i];
2164     for (i = pos; i < pos + n; i++)
2165       newRowHeights[i] = wxGRID_DEFAULT_CELL_HEIGHT;
2166     for (i = pos + n; i < m_totalRows + n; i++)
2167       newRowHeights[i] = m_rowHeights[i - n];
2168     delete[] m_rowHeights;
2169     m_rowHeights = newRowHeights;
2170
2171     // Column labels
2172     wxGridCell **newLabels = new wxGridCell *[m_totalRows + n];
2173     for (i = 0; i < pos; i++)
2174       newLabels[i] = m_rowLabelCells[i];
2175     for (i = pos; i < pos + n; i++)
2176       newLabels[i] = new wxGridCell(this);
2177     for (i = pos + n; i < m_totalRows + n; i++)
2178       newLabels[i] = m_rowLabelCells[i - n];
2179
2180     delete[] m_rowLabelCells;
2181     m_rowLabelCells = newLabels;
2182
2183     m_totalRows += n;
2184
2185     if (updateLabels)
2186       OnChangeLabels();
2187     UpdateDimensions();
2188     AdjustScrollbars();
2189     return TRUE;
2190   }
2191 }
2192
2193 bool wxGenericGrid::AppendCols(int n, bool updateLabels)
2194 {
2195   return InsertCols(GetCols(), n, updateLabels);
2196 }
2197
2198 bool wxGenericGrid::AppendRows(int n, bool updateLabels)
2199 {
2200   return InsertRows(GetRows(), n, updateLabels);
2201 }
2202
2203 bool wxGenericGrid::DeleteRows(int pos, int n, bool updateLabels)
2204 {
2205   if (pos > m_totalRows)
2206     return FALSE;
2207   if (!m_gridCells)
2208     return FALSE;
2209
2210   int i;
2211
2212   wxGridCell ***rows = new wxGridCell **[m_totalRows - n];
2213
2214   // Cells
2215   for (i = 0; i < pos; i++)
2216     rows[i] = m_gridCells[i];
2217
2218   for (i = pos + n; i < m_totalRows; i++)
2219     rows[i-n] = m_gridCells[i];
2220
2221   delete[] m_gridCells;
2222   m_gridCells = rows;
2223
2224   // Row heights
2225   short *newRowHeights = new short[m_totalRows - n];
2226   for (i = 0; i < pos; i++)
2227     newRowHeights[i] = m_rowHeights[i];
2228   for (i = pos + n; i < m_totalRows; i++)
2229     newRowHeights[i-n] = m_rowHeights[i];
2230   delete[] m_rowHeights;
2231   m_rowHeights = newRowHeights;
2232
2233   // Column labels
2234   wxGridCell **newLabels = new wxGridCell *[m_totalRows - n];
2235   for (i = 0; i < pos; i++)
2236     newLabels[i] = m_rowLabelCells[i];
2237   for (i = pos + n; i < m_totalRows; i++)
2238     newLabels[i-n] = m_rowLabelCells[i];
2239
2240   delete[] m_rowLabelCells;
2241   m_rowLabelCells = newLabels;
2242
2243   m_totalRows -= n;
2244
2245   if (updateLabels)
2246     OnChangeLabels();
2247   UpdateDimensions();
2248   AdjustScrollbars();
2249   return TRUE;
2250 }
2251
2252 bool wxGenericGrid::DeleteCols(int pos, int n, bool updateLabels)
2253 {
2254   if (pos + n > m_totalCols)
2255     return FALSE;
2256   if (!m_gridCells)
2257     return FALSE;
2258
2259   int i, j;
2260
2261   // Cells
2262   for (i = 0; i < m_totalRows; i++)
2263   {
2264       wxGridCell **cols = m_gridCells[i];
2265       wxGridCell **newCols = new wxGridCell *[m_totalCols - n];
2266       for (j = 0; j < pos; j++)
2267         newCols[j] = cols[j];
2268       for (j = pos; j < pos + n; j++)
2269         delete cols[j];
2270       for (j = pos + n; j < m_totalCols; j++)
2271         newCols[j-n] = cols[j];
2272
2273       delete[] cols;
2274       m_gridCells[i] = newCols;
2275   }
2276
2277   // Column widths
2278   short *newColWidths = new short[m_totalCols - n];
2279   for (j = 0; j < pos; j++)
2280     newColWidths[j] = m_colWidths[j];
2281   for (j = pos + n; j < m_totalCols; j++)
2282     newColWidths[j-n] = m_colWidths[j];
2283   delete[] m_colWidths;
2284   m_colWidths = newColWidths;
2285
2286   // Column labels
2287   wxGridCell **newLabels = new wxGridCell *[m_totalCols - n];
2288   for (j = 0; j < pos; j++)
2289     newLabels[j] = m_colLabelCells[j];
2290   for (j = pos + n; j < m_totalCols; j++)
2291     newLabels[j-n] = m_colLabelCells[j];
2292
2293   delete[] m_colLabelCells;
2294   m_colLabelCells = newLabels;
2295
2296   m_totalCols -= n;
2297
2298   if (updateLabels)
2299     OnChangeLabels();
2300   UpdateDimensions();
2301   AdjustScrollbars();
2302   return TRUE;
2303 }
2304
2305 void wxGenericGrid::SetGridCursor(int row, int col)
2306 {
2307   if (row >= m_totalRows || col >= m_totalCols)
2308     return;
2309
2310   if (row == GetCursorRow() && col == GetCursorColumn())
2311     return;
2312
2313   wxClientDC dc(this);
2314   dc.BeginDrawing();
2315
2316   SetGridClippingRegion(& dc);
2317
2318   if (m_currentRectVisible)
2319     HighlightCell(& dc);
2320
2321   m_wCursorRow = row;
2322   m_wCursorColumn = col;
2323   SetCurrentRect(row, col);
2324   if (m_currentRectVisible)
2325     HighlightCell(& dc);
2326
2327   dc.DestroyClippingRegion();
2328   dc.EndDrawing();
2329 }
2330
2331 /*
2332  * Grid cell
2333  */
2334
2335 wxGridCell::wxGridCell(wxGenericGrid *window)
2336 {
2337   cellBitmap = NULL;
2338   font = NULL;
2339   backgroundBrush = NULL;
2340   if (window)
2341     textColour = window->GetCellTextColour();
2342   else
2343     textColour.Set(0,0,0);
2344   if (window)
2345     backgroundColour = window->GetCellBackgroundColour();
2346   else
2347     backgroundColour.Set(255,255,255);
2348
2349   if (window)
2350     font = window->GetCellTextFont();
2351   else
2352     font = wxTheFontList->FindOrCreateFont(12, wxSWISS, wxNORMAL, wxNORMAL);
2353
2354   SetBackgroundColour(backgroundColour);
2355
2356   if (window)
2357     alignment = window->GetCellAlignment();
2358   else
2359     alignment = wxLEFT;
2360 }
2361
2362 wxGridCell::~wxGridCell(void)
2363 {
2364 }
2365
2366 void wxGridCell::SetBackgroundColour(const wxColour& colour)
2367 {
2368   backgroundColour = colour;
2369   backgroundBrush = wxTheBrushList->FindOrCreateBrush(backgroundColour, wxSOLID);
2370 }
2371
2372 void wxGenericGrid::OnText(wxCommandEvent& WXUNUSED(ev) )
2373 {
2374   wxGenericGrid *grid = this;
2375   wxGridCell *cell = grid->GetCell(grid->GetCursorRow(), grid->GetCursorColumn());
2376   if (cell && grid->CurrentCellVisible())
2377   {
2378     cell->SetTextValue(grid->GetTextItem()->GetValue());
2379     wxClientDC dc(grid);
2380
2381     dc.BeginDrawing();
2382     grid->SetGridClippingRegion(& dc);
2383     grid->DrawCellBackground(& dc, &grid->GetCurrentRect(), grid->GetCursorRow(), grid->GetCursorColumn());
2384     grid->DrawCellValue(& dc, &grid->GetCurrentRect(), grid->GetCursorRow(), grid->GetCursorColumn());
2385     grid->HighlightCell(& dc);
2386     dc.DestroyClippingRegion();
2387     dc.EndDrawing();
2388
2389     grid->OnCellChange(grid->GetCursorRow(), grid->GetCursorColumn());
2390
2391 //    grid->DrawCellText();
2392   }
2393 }
2394
2395 void wxGenericGrid::OnGridScroll(wxScrollEvent& ev)
2396 {
2397   static bool inScroll = FALSE;
2398
2399   if ( inScroll )
2400         return;
2401
2402   inScroll = TRUE;
2403   wxGenericGrid *win = this;
2404
2405   bool change = FALSE;
2406
2407   if (ev.GetEventObject() == win->GetHorizScrollBar())
2408   {
2409     change = (ev.GetPosition() != m_scrollPosX);
2410     win->SetScrollPosX(ev.GetPosition());
2411   }
2412   else
2413   {
2414     change = (ev.GetPosition() != m_scrollPosY);
2415     win->SetScrollPosY(ev.GetPosition());
2416   }
2417
2418   win->UpdateDimensions();
2419   win->SetCurrentRect(win->GetCursorRow(), win->GetCursorColumn());
2420
2421   // Because rows and columns can be arbitrary sizes,
2422   // the scrollbars will need to be adjusted to reflect the
2423   // current view.
2424   AdjustScrollbars();
2425
2426   if (change) win->Refresh(FALSE);
2427   inScroll = FALSE;
2428
2429 }