--- /dev/null
+///////////////////////////////////////////////////////////////////////////
+// Name: generic/gridsel.cpp
+// Purpose: wxGridSelection
+// Author: Stefan Neis
+// Modified by:
+// Created: 20/02/1999
+// RCS-ID: $$
+// Copyright: (c) Stefan Neis (Stefan.Neis@t-online.de)
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+ #pragma implementation "gridsel.h"
+#endif
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/defs.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#include "wx/generic/gridsel.h"
+
+wxGridSelection::wxGridSelection( wxGrid * grid,
+ wxGridSelection::wxGridSelectionModes sel )
+{
+ m_grid = grid;
+ m_selectionMode = sel;
+}
+
+bool wxGridSelection::IsSelection()
+{
+ return ( m_cellSelection.GetCount() || m_blockSelectionTopLeft.GetCount() ||
+ m_rowSelection.GetCount() || m_colSelection.GetCount() );
+}
+
+bool wxGridSelection::IsInSelection ( int row, int col )
+{
+ size_t count;
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
+ m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ count = m_cellSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords = m_cellSelection[n];
+ if ( row == coords.GetRow() && col == coords.GetCol() )
+ return true;
+ }
+ }
+ count = m_blockSelectionTopLeft.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
+ if ( BlockContainsCell(coords1.GetRow(), coords1.GetCol(),
+ coords2.GetRow(), coords2.GetCol(),
+ row, col ) )
+ return true;
+ }
+ if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ size_t count = m_rowSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( row == m_rowSelection[n] )
+ return true;
+ }
+ }
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
+ {
+ size_t count = m_colSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( col == m_colSelection[n] )
+ return true;
+ }
+ }
+ return false;
+}
+
+void wxGridSelection::SelectRow( int row, bool addToSelected = FALSE )
+{
+ if ( m_selectionMode == wxGridSelection::wxGridSelectColumns )
+ return;
+ size_t count;
+
+ // Remove single cells contained in newly selected block.
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
+ m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ count = m_cellSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords = m_cellSelection[n];
+ if ( BlockContainsCell( row, 0, row, m_grid->GetNumberCols() - 1,
+ coords.GetRow(), coords.GetCol() ) )
+ {
+ m_cellSelection.RemoveAt(n);
+ n--; count--;
+ }
+ }
+ }
+
+ // If possible, merge row with existing selected block
+ count = m_blockSelectionTopLeft.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
+ if ( coords1.GetRow() == row && row == coords2.GetRow() )
+ {
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ n--; count--;
+ }
+ else if ( coords1.GetCol() == 0 &&
+ coords2.GetCol() == m_grid->GetNumberCols() - 1 )
+ {
+ if ( coords1.GetRow() <= row && row <= coords2.GetRow() )
+ return;
+ else if ( coords1.GetRow() == row + 1)
+ {
+ coords1.SetRow(row);
+ return;
+ }
+ else if ( coords2.GetRow() == row - 1)
+ {
+ coords2.SetRow(row);
+ return;
+ }
+ }
+ }
+
+ // Check whether row is already selected.
+ count = m_rowSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( row == m_rowSelection[n] )
+ return;
+ }
+
+ // Add row to selection
+ m_rowSelection.Add(row);
+}
+
+void wxGridSelection::SelectCol( int col, bool addToSelected = FALSE )
+{
+ if ( m_selectionMode == wxGridSelection::wxGridSelectRows )
+ return;
+ size_t count;
+
+ // Remove single cells contained in newly selected block.
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
+ m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ count = m_cellSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords = m_cellSelection[n];
+ if ( BlockContainsCell( 0, col, m_grid->GetNumberRows() - 1, col,
+ coords.GetRow(), coords.GetCol() ) )
+ {
+ m_cellSelection.RemoveAt(n);
+ n--; count--;
+ }
+ }
+ }
+
+ // If possible, merge col with existing selected block
+ count = m_blockSelectionTopLeft.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
+ if ( coords1.GetCol() == col && col == coords2.GetCol() )
+ {
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ n--; count--;
+ }
+ else if ( coords1.GetRow() == 0 &&
+ coords2.GetRow() == m_grid->GetNumberRows() - 1 )
+ {
+ if ( coords1.GetCol() <= col && col <= coords2.GetCol() )
+ return;
+ else if ( coords1.GetCol() == col + 1)
+ {
+ coords1.SetCol(col);
+ return;
+ }
+ else if ( coords2.GetCol() == col - 1)
+ {
+ coords2.SetCol(col);
+ return;
+ }
+ }
+ }
+
+ // Check whether col is already selected.
+ count = m_colSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( col == m_colSelection[n] )
+ return;
+ }
+
+ // Add col to selection
+ m_colSelection.Add(col);
+}
+
+void wxGridSelection::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
+{
+ // Fix the coordinates of the block if potentially needed
+ if ( m_selectionMode == wxGridSelection::wxGridSelectRows )
+ {
+ leftCol = 0;
+ rightCol = m_grid->GetNumberCols() - 1;
+ }
+ else if ( m_selectionMode == wxGridSelection::wxGridSelectColumns )
+ {
+ topRow = 0;
+ bottomRow = m_grid->GetNumberRows() - 1;
+ }
+
+ // Handle single cell selection in SelectCell.
+ if ( topRow == bottomRow && leftCol == rightCol )
+ SelectCell( topRow, leftCol );
+
+ size_t count;
+ // Remove single cells contained in newly selected block.
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
+ m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ count = m_cellSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords = m_cellSelection[n];
+ if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol,
+ coords.GetRow(), coords.GetCol() ) )
+ {
+ m_cellSelection.RemoveAt(n);
+ n--; count--;
+ }
+ }
+ }
+
+ // If a block containing the selection is already selected, return,
+ // if a block contained in the selection is found, remove it.
+
+ count = m_blockSelectionTopLeft.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
+ switch ( BlockContain( coords1.GetRow(), coords1.GetCol(),
+ coords2.GetRow(), coords2.GetCol(),
+ topRow, leftCol, bottomRow, rightCol ) )
+ {
+ case 1:
+ return;
+ case -1:
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ n--; count--;
+ default:
+ ;
+ }
+ }
+
+ // If a row containing the selection is already selected, return,
+ // if a row contained in newly selected block is found, remove it.
+ if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ size_t count = m_rowSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ switch ( BlockContain( m_rowSelection[n], 0,
+ m_rowSelection[n], m_grid->GetNumberCols()-1,
+ topRow, leftCol, bottomRow, rightCol ) )
+ {
+ case 1:
+ return;
+ case -1:
+ m_rowSelection.RemoveAt(n);
+ n--; count--;
+ default:
+ ;
+ }
+ }
+ }
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
+ {
+ size_t count = m_colSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ switch ( BlockContain( 0, m_colSelection[n],
+ m_grid->GetNumberRows()-1, m_colSelection[n],
+ topRow, leftCol, bottomRow, rightCol ) )
+ {
+ case 1:
+ return;
+ case -1:
+ m_colSelection.RemoveAt(n);
+ n--; count--;
+ default:
+ ;
+ }
+ }
+ }
+ m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) );
+ m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) );
+}
+
+void wxGridSelection::SelectCell( int row, int col)
+{
+ if ( m_selectionMode == wxGridSelection::wxGridSelectRows )
+ SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1 );
+ else if ( m_selectionMode == wxGridSelection::wxGridSelectColumns )
+ SelectBlock(0, col, m_grid->GetNumberRows() - 1, col );
+ else if ( IsInSelection ( row, col ) )
+ return;
+ m_cellSelection.Add( wxGridCellCoords( row, col ) );
+}
+
+void wxGridSelection::ToggleCellSelection( int row, int col)
+{
+ if ( !IsInSelection ( row, col ) )
+ SelectCell( row, col );
+ size_t count;
+
+ // Maybe we want to toggle a member of m_cellSelection.
+ // Then it can't be contained in rows/cols/block, and we
+ // just have to remove it from m_cellSelection.
+
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
+ m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ count = m_cellSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords = m_cellSelection[n];
+ if ( row == coords.GetRow() && col == coords.GetCol() )
+ {
+ m_cellSelection.RemoveAt(n);
+ n--; count--;
+ wxRect r;
+ r = m_grid->BlockToDeviceRect( m_cellSelection[n],
+ m_cellSelection[n] );
+ if ( !m_grid->GetBatchCount() )
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ return;
+ }
+ }
+ }
+
+ // remove a cell from the middle of a block (the really ugly case)
+ count = m_blockSelectionTopLeft.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
+ int topRow = coords1.GetRow();
+ int leftCol = coords1.GetCol();
+ int bottomRow = coords2.GetRow();
+ int rightCol = coords2.GetCol();
+ if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol,
+ row, col ) )
+ {
+ // remove the block
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ n--; count--;
+ // add up to 4 smaller blocks and set update region
+ if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ if ( topRow < row )
+ SelectBlock( topRow, leftCol, row - 1, rightCol );
+ if ( bottomRow > row )
+ SelectBlock( row + 1, leftCol, bottomRow, rightCol );
+ }
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
+ {
+ if ( leftCol < col )
+ SelectBlock( row, leftCol, row, col - 1 );
+ if ( rightCol > col )
+ SelectBlock( row, col + 1, row, rightCol );
+ }
+ }
+ }
+
+ // remove a cell from a row, adding up to two new blocks
+ if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ size_t count = m_rowSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( m_rowSelection[n] == row )
+ {
+ m_rowSelection.RemoveAt(n);
+ n--; count--;
+ if (m_selectionMode == wxGridSelection::wxGridSelectCells)
+ {
+ if ( col > 0 )
+ SelectBlock( row, 0, row, col - 1 );
+ if ( col < m_grid->GetNumberCols() - 1 )
+ SelectBlock( row, col + 1, row, m_grid->GetNumberCols() - 1 );
+ }
+ }
+ }
+ }
+
+ // remove a cell from a column, adding up to two new blocks
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
+ {
+ size_t count = m_colSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( m_colSelection[n] == col )
+ {
+ m_colSelection.RemoveAt(n);
+ n--; count--;
+ if (m_selectionMode == wxGridSelection::wxGridSelectCells)
+ {
+ if ( row > 0 )
+ SelectBlock( 0, col, row - 1, col );
+ if ( row < m_grid->GetNumberRows() - 1 )
+ SelectBlock( row + 1, col, m_grid->GetNumberRows() - 1, col );
+ }
+ }
+ }
+ }
+ wxRect r;
+ switch (m_selectionMode)
+ {
+ case wxGridSelection::wxGridSelectCells:
+ r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, col ),
+ wxGridCellCoords( row, col ) );
+ break;
+ case wxGridSelection::wxGridSelectRows:
+ r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
+ wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
+ break;
+ case wxGridSelection::wxGridSelectColumns:
+ r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
+ wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
+ break;
+ }
+ if ( !m_grid->GetBatchCount() )
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+}
+
+void wxGridSelection::ClearSelection()
+{
+ size_t n;
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
+ m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+
+ while( ( n = m_cellSelection.GetCount() ) > 0)
+ {
+ wxRect r;
+ r = m_grid->BlockToDeviceRect( m_cellSelection[n],
+ m_cellSelection[n] );
+ m_cellSelection.RemoveAt(n);
+ if ( !m_grid->GetBatchCount() )
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ }
+ }
+ while( ( n = m_blockSelectionTopLeft.GetCount() ) > 0)
+ {
+ wxRect r;
+ r = m_grid->BlockToDeviceRect( m_blockSelectionTopLeft[n],
+ m_blockSelectionBottomRight[n] );
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ if ( !m_grid->GetBatchCount() )
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ }
+ if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
+ {
+ while( ( n = m_rowSelection.GetCount() ) > 0)
+ {
+ int & row = m_rowSelection[n];
+ wxRect r;
+ r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
+ wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
+ m_rowSelection.RemoveAt(n);
+ if ( !m_grid->GetBatchCount() )
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ }
+ }
+ if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
+ {
+ while( ( n = m_colSelection.GetCount() ) > 0)
+ {
+ int & col = m_colSelection[n];
+ wxRect r;
+ r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
+ wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
+ m_colSelection.RemoveAt(n);
+ if ( !m_grid->GetBatchCount() )
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ }
+ }
+}
+
+
+void wxGridSelection::UpdateRows( size_t pos, int numRows )
+{
+ size_t count = m_cellSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords = m_cellSelection[n];
+ wxCoord row = coords.GetRow();
+ if ((size_t)row >= pos)
+ {
+ if (numRows > 0)
+ {
+ // If rows inserted, increase row counter where necessary
+ coords.SetRow(row + numRows);
+ }
+ else if (numRows < 0)
+ {
+ // If rows deleted ...
+ if ((size_t)row >= pos - numRows)
+ {
+ // ...either decrement row counter (if row still exists)...
+ coords.SetRow(row + numRows);
+ }
+ else
+ {
+ // ...or remove the attribute
+ m_cellSelection.RemoveAt(n);
+ n--; count--;
+ }
+ }
+ }
+ }
+
+ count = m_blockSelectionTopLeft.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
+ wxCoord row1 = coords1.GetRow();
+ wxCoord row2 = coords2.GetRow();
+ if ((size_t)row2 >= pos)
+ {
+ if (numRows > 0)
+ {
+ // If rows inserted, increase row counter where necessary
+ coords2.SetRow(row2 + numRows);
+ if ( (size_t)row1 >= pos )
+ coords1.SetRow(row1 + numRows);
+ }
+ else if (numRows < 0)
+ {
+ // If rows deleted ...
+ if ((size_t)row2 >= pos - numRows)
+ {
+ // ...either decrement row counter (if row still exists)...
+ coords2.SetRow(row2 + numRows);
+ if ( (size_t) row1 >= pos)
+ coords1.SetRow( wxMax(row1 + numRows, (int) pos) );
+
+ }
+ else
+ {
+ if ( (size_t) row1 >= pos)
+ {
+ // ...or remove the attribute
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ n--; count--;
+ }
+ else
+ coords2.SetRow(pos);
+ }
+ }
+ }
+ }
+
+ count = m_rowSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ int & rowOrCol = m_rowSelection[n];
+ if ( (size_t)rowOrCol >= pos )
+ {
+ if ( numRows > 0 )
+ {
+ // If rows inserted, include row counter where necessary
+ rowOrCol += numRows;
+ }
+ else if ( numRows < 0)
+ {
+ // If rows deleted, either decrement row counter (if row still exists)
+ if ((size_t)rowOrCol >= pos - numRows)
+ rowOrCol += numRows;
+ else
+ {
+ m_rowSelection.RemoveAt(n);
+ n--; count--;
+ }
+ }
+ }
+ }
+}
+
+void wxGridSelection::UpdateCols( size_t pos, int numCols )
+{
+ size_t count = m_cellSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords = m_cellSelection[n];
+ wxCoord col = coords.GetCol();
+ if ((size_t)col >= pos)
+ {
+ if (numCols > 0)
+ {
+ // If rows inserted, increase row counter where necessary
+ coords.SetCol(col + numCols);
+ }
+ else if (numCols < 0)
+ {
+ // If rows deleted ...
+ if ((size_t)col >= pos - numCols)
+ {
+ // ...either decrement row counter (if row still exists)...
+ coords.SetCol(col + numCols);
+ }
+ else
+ {
+ // ...or remove the attribute
+ m_cellSelection.RemoveAt(n);
+ n--; count--;
+ }
+ }
+ }
+ }
+
+ count = m_blockSelectionTopLeft.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
+ wxCoord col1 = coords1.GetCol();
+ wxCoord col2 = coords2.GetCol();
+ if ((size_t)col2 >= pos)
+ {
+ if (numCols > 0)
+ {
+ // If rows inserted, increase row counter where necessary
+ coords2.SetCol(col2 + numCols);
+ if ( (size_t)col1 >= pos )
+ coords1.SetCol(col1 + numCols);
+ }
+ else if (numCols < 0)
+ {
+ // If cols deleted ...
+ if ((size_t)col2 >= pos - numCols)
+ {
+ // ...either decrement col counter (if col still exists)...
+ coords2.SetCol(col2 + numCols);
+ if ( (size_t) col1 >= pos)
+ coords1.SetCol( wxMax(col1 + numCols, (int) pos) );
+
+ }
+ else
+ {
+ if ( (size_t) col1 >= pos)
+ {
+ // ...or remove the attribute
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ n--; count--;
+ }
+ else
+ coords2.SetCol(pos);
+ }
+ }
+ }
+ }
+
+ count = m_colSelection.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ int & rowOrCol = m_colSelection[n];
+ if ( (size_t)rowOrCol >= pos )
+ {
+ if ( numCols > 0 )
+ {
+ // If cols inserted, include col counter where necessary
+ rowOrCol += numCols;
+ }
+ else if ( numCols < 0)
+ {
+ // If cols deleted, either decrement col counter (if col still exists)
+ if ((size_t)rowOrCol >= pos - numCols)
+ rowOrCol += numCols;
+ else
+ {
+ m_colSelection.RemoveAt(n);
+ n--; count--;
+ }
+ }
+ }
+ }
+}
+
+int wxGridSelection::BlockContain( int topRow1, int leftCol1,
+ int bottomRow1, int rightCol1,
+ int topRow2, int leftCol2,
+ int bottomRow2, int rightCol2 )
+// returns 1, if Block1 contains Block2,
+// -1, if Block2 contains Block1,
+// 0, otherwise
+{
+ if ( topRow1 <= topRow2 && bottomRow2 <= bottomRow1 &&
+ leftCol1 <= leftCol2 && rightCol2 <= rightCol1 )
+ return 1;
+ else if ( topRow2 <= topRow1 && bottomRow1 <= bottomRow2 &&
+ leftCol2 <= leftCol1 && rightCol1 <= rightCol2 )
+ return -1;
+ return 0;
+}