void wxGridSelection::SelectBlock( int topRow, int leftCol,
int bottomRow, int rightCol,
const wxKeyboardState& kbd,
bool sendEvent )
{
// Fix the coordinates of the block if needed.
switch ( m_selectionMode )
{
default:
wxFAIL_MSG( "unknown selection mode" );
// fall through
case wxGrid::wxGridSelectCells:
// nothing to do -- in this mode arbitrary blocks can be selected
break;
case wxGrid::wxGridSelectRows:
leftCol = 0;
rightCol = m_grid->GetNumberCols() - 1;
break;
case wxGrid::wxGridSelectColumns:
topRow = 0;
bottomRow = m_grid->GetNumberRows() - 1;
break;
case wxGrid::wxGridSelectRowsOrColumns:
// block selection doesn't make sense for this mode, we could only
// select the entire grid but this wouldn't be useful
return;
}
if ( topRow > bottomRow )
{
int temp = topRow;
topRow = bottomRow;
bottomRow = temp;
}
if ( leftCol > rightCol )
{
int temp = leftCol;
leftCol = rightCol;
rightCol = temp;
}
// Handle single cell selection in SelectCell.
// (MB: added check for selection mode here to prevent
// crashes if, for example, we are select rows and the
// grid only has 1 col)
if ( m_selectionMode == wxGrid::wxGridSelectCells &&
topRow == bottomRow && leftCol == rightCol )
{
SelectCell( topRow, leftCol, kbd, sendEvent );
}
size_t count, n;
if ( m_selectionMode == wxGrid::wxGridSelectRows )
{
// find out which rows are already selected:
wxArrayInt alreadyselected;
alreadyselected.Add(0,bottomRow-topRow+1);
for( n = 0; n < m_rowSelection.GetCount(); n++)
{
int row = m_rowSelection[n];
if( (row >= topRow) && (row <= bottomRow) )
{
alreadyselected[ row - topRow ]=1;
}
}
// add the newly selected rows:
for ( int row = topRow; row <= bottomRow; row++ )
{
if ( alreadyselected[ row - topRow ] == 0 )
{
m_rowSelection.Add( row );
}
}
}
else if ( m_selectionMode == wxGrid::wxGridSelectColumns )
{
// find out which columns are already selected:
wxArrayInt alreadyselected;
alreadyselected.Add(0,rightCol-leftCol+1);
for( n = 0; n < m_colSelection.GetCount(); n++)
{
int col = m_colSelection[n];
if( (col >= leftCol) && (col <= rightCol) )
{
alreadyselected[ col - leftCol ]=1;
}
}
// add the newly selected columns:
for ( int col = leftCol; col <= rightCol; col++ )
{
if ( alreadyselected[ col - leftCol ] == 0 )
{
m_colSelection.Add( col );
}
}
}
else
{
// Remove single cells contained in newly selected block.
if ( m_selectionMode == wxGrid::wxGridSelectCells )
{
count = m_cellSelection.GetCount();
for ( 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 ( 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--;
break;
default:
break;
}
}
// If a row containing the selection is already selected, return,
// if a row contained in newly selected block is found, remove it.
count = m_rowSelection.GetCount();
for ( 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--;
break;
default:
break;
}
}
// Same for columns.
count = m_colSelection.GetCount();
for ( 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--;
break;
default:
break;
}
}
m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) );
m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) );
}
// Update View:
if ( !m_grid->GetBatchCount() )
{
wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( topRow, leftCol ),
wxGridCellCoords( bottomRow, rightCol ) );
((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
}
// Send Event, if not disabled.
if ( sendEvent )
{
wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
wxEVT_GRID_RANGE_SELECT,
m_grid,
wxGridCellCoords( topRow, leftCol ),
wxGridCellCoords( bottomRow, rightCol ),
true,
kbd);
m_grid->GetEventHandler()->ProcessEvent( gridEvt );
}
}
void wxGridSelection::SelectBlock( int topRow, int leftCol,
int bottomRow, int rightCol,
bool ControlDown, bool ShiftDown,
bool AltDown, bool MetaDown,
bool sendEvent )
{
// Fix the coordinates of the block if needed.
if ( m_selectionMode == wxGrid::wxGridSelectRows )
{
leftCol = 0;
rightCol = m_grid->GetNumberCols() - 1;
}
else if ( m_selectionMode == wxGrid::wxGridSelectColumns )
{
topRow = 0;
bottomRow = m_grid->GetNumberRows() - 1;
}
if ( topRow > bottomRow )
{
int temp = topRow;
topRow = bottomRow;
bottomRow = temp;
}
if ( leftCol > rightCol )
{
int temp = leftCol;
leftCol = rightCol;
rightCol = temp;
}
// Handle single cell selection in SelectCell.
// (MB: added check for selection mode here to prevent
// crashes if, for example, we are select rows and the
// grid only has 1 col)
if ( m_selectionMode == wxGrid::wxGridSelectCells &&
topRow == bottomRow && leftCol == rightCol )
SelectCell( topRow, leftCol, ControlDown, ShiftDown,
AltDown, MetaDown, sendEvent );
size_t count, n;
// Remove single cells contained in newly selected block.
if ( m_selectionMode == wxGrid::wxGridSelectCells )
{
count = m_cellSelection.GetCount();
for ( 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 ( 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--;
break;
default:
break;
}
}
// 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 != wxGrid::wxGridSelectColumns )
{
count = m_rowSelection.GetCount();
for ( 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--;
break;
default:
break;
}
}
}
if ( m_selectionMode != wxGrid::wxGridSelectRows )
{
count = m_colSelection.GetCount();
for ( 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--;
break;
default:
break;
}
}
}
m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) );
m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) );
// Update View:
if ( !m_grid->GetBatchCount() )
{
wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( topRow, leftCol ),
wxGridCellCoords( bottomRow, rightCol ) );
((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
}
// Send Event, if not disabled.
if ( sendEvent )
{
wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
wxEVT_GRID_RANGE_SELECT,
m_grid,
wxGridCellCoords( topRow, leftCol ),
wxGridCellCoords( bottomRow, rightCol ),
true,
ControlDown, ShiftDown,
AltDown, MetaDown );
m_grid->GetEventHandler()->ProcessEvent(gridEvt);
}
}
