// Author: Stefan Neis
// Modified by:
// Created: 20/02/1999
-// RCS-ID: $Id$
// Copyright: (c) Stefan Neis (Stefan.Neis@t-online.de)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
size_t count, n;
- // Remove single cells contained in newly selected block.
- if ( m_selectionMode == wxGrid::wxGridSelectCells )
+ if ( m_selectionMode == wxGrid::wxGridSelectRows )
{
- count = m_cellSelection.GetCount();
- for ( n = 0; n < count; n++ )
+ // find out which rows are already selected:
+ wxArrayInt alreadyselected;
+ alreadyselected.Add(0,bottomRow-topRow+1);
+ for( n = 0; n < m_rowSelection.GetCount(); n++)
{
- wxGridCellCoords& coords = m_cellSelection[n];
- if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol,
- coords.GetRow(), coords.GetCol() ) )
+ int row = m_rowSelection[n];
+ if( (row >= topRow) && (row <= bottomRow) )
{
- m_cellSelection.RemoveAt(n);
- n--;
- count--;
+ alreadyselected[ row - topRow ]=1;
}
}
- }
- // If a block containing the selection is already selected, return,
- // if a block contained in the selection is found, remove it.
+ // 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;
+ }
+ }
- count = m_blockSelectionTopLeft.GetCount();
- for ( n = 0; n < count; n++ )
+ // add the newly selected columns:
+ for ( int col = leftCol; col <= rightCol; col++ )
+ {
+ if ( alreadyselected[ col - leftCol ] == 0 )
+ {
+ m_colSelection.Add( col );
+ }
+ }
+ }
+ else
{
- wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
- wxGridCellCoords& coords2 = m_blockSelectionBottomRight[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--;
+ }
+ }
+ }
- switch ( BlockContain( coords1.GetRow(), coords1.GetCol(),
- coords2.GetRow(), coords2.GetCol(),
- topRow, leftCol, bottomRow, rightCol ) )
+ // 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++ )
{
- case 1:
- return;
+ wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
+ wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
- case -1:
- m_blockSelectionTopLeft.RemoveAt(n);
- m_blockSelectionBottomRight.RemoveAt(n);
- n--;
- count--;
- break;
+ 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;
+ 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 )
- {
+ // 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++ )
{
break;
}
}
- }
- if ( m_selectionMode != wxGrid::wxGridSelectRows )
- {
+ // Same for columns.
count = m_colSelection.GetCount();
for ( n = 0; n < count; n++ )
{
break;
}
}
- }
-
- m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) );
- m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) );
+ m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) );
+ m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) );
+ }
// Update View:
if ( !m_grid->GetBatchCount() )
{
const wxKeyboardState& kbd,
bool sendEvent )
{
+ if ( IsInSelection ( row, col ) )
+ return;
+
+ wxGridCellCoords selectedTopLeft, selectedBottomRight;
if ( m_selectionMode == wxGrid::wxGridSelectRows )
{
- SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1, kbd, sendEvent);
-
- return;
+ m_rowSelection.Add( row );
+ selectedTopLeft = wxGridCellCoords( row, 0 );
+ selectedBottomRight = wxGridCellCoords( row, m_grid->GetNumberCols() - 1 );
}
else if ( m_selectionMode == wxGrid::wxGridSelectColumns )
{
- SelectBlock(0, col, m_grid->GetNumberRows() - 1, col, kbd, sendEvent);
-
- return;
+ m_colSelection.Add( col );
+ selectedTopLeft = wxGridCellCoords( 0, col );
+ selectedBottomRight = wxGridCellCoords( m_grid->GetNumberRows() - 1, col );
+ }
+ else
+ {
+ m_cellSelection.Add( wxGridCellCoords( row, col ) );
+ selectedTopLeft = wxGridCellCoords( row, col );
+ selectedBottomRight = wxGridCellCoords( row, col );
}
- else if ( IsInSelection ( row, col ) )
- return;
-
- m_cellSelection.Add( wxGridCellCoords( row, col ) );
// Update View:
if ( !m_grid->GetBatchCount() )
{
wxRect r = m_grid->BlockToDeviceRect(
- wxGridCellCoords( row, col ),
- wxGridCellCoords( row, col ) );
+ selectedTopLeft,
+ selectedBottomRight );
((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
}
wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
wxEVT_GRID_RANGE_SELECT,
m_grid,
- wxGridCellCoords( row, col ),
- wxGridCellCoords( row, col ),
+ selectedTopLeft,
+ selectedBottomRight,
true,
kbd);
m_grid->GetEventHandler()->ProcessEvent( gridEvt );
}
}
+ bool rowSelectionWasChanged = false;
// remove a cell from a row, adding up to two new blocks
if ( m_selectionMode != wxGrid::wxGridSelectColumns )
{
n--;
count--;
+ rowSelectionWasChanged = true;
+
if (m_selectionMode == wxGrid::wxGridSelectCells)
{
if ( col > 0 )
}
}
+ bool colSelectionWasChanged = false;
// remove a cell from a column, adding up to two new blocks
if ( m_selectionMode != wxGrid::wxGridSelectRows )
{
n--;
count--;
+ colSelectionWasChanged = true;
+
if (m_selectionMode == wxGrid::wxGridSelectCells)
{
if ( row > 0 )
// Refresh the screen and send the event; according to m_selectionMode,
// we need to either update only the cell, or the whole row/column.
wxRect r;
- switch (m_selectionMode)
+ if ( m_selectionMode == wxGrid::wxGridSelectCells )
{
- case wxGrid::wxGridSelectCells:
+ if ( !m_grid->GetBatchCount() )
{
- if ( !m_grid->GetBatchCount() )
- {
- r = m_grid->BlockToDeviceRect(
- wxGridCellCoords( row, col ),
- wxGridCellCoords( row, col ) );
- ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
- }
-
- wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
- wxEVT_GRID_RANGE_SELECT,
- m_grid,
- wxGridCellCoords( row, col ),
+ r = m_grid->BlockToDeviceRect(
wxGridCellCoords( row, col ),
- false,
- kbd );
- m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ wxGridCellCoords( row, col ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
}
- break;
- case wxGrid::wxGridSelectRows:
+ wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+ wxEVT_GRID_RANGE_SELECT,
+ m_grid,
+ wxGridCellCoords( row, col ),
+ wxGridCellCoords( row, col ),
+ false,
+ kbd );
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ }
+ else // rows/columns selection mode
+ {
+ if ( m_selectionMode != wxGrid::wxGridSelectColumns &&
+ rowSelectionWasChanged )
{
- if ( !m_grid->GetBatchCount() )
+ int numCols = m_grid->GetNumberCols();
+ for ( int colFrom = 0, colTo = 0; colTo <= numCols; ++colTo )
{
- r = m_grid->BlockToDeviceRect(
- wxGridCellCoords( row, 0 ),
- wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
- ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
- }
+ if ( m_colSelection.Index(colTo) >= 0 || colTo == numCols )
+ {
+ if ( colFrom < colTo )
+ {
+ if ( !m_grid->GetBatchCount() )
+ {
+ r = m_grid->BlockToDeviceRect(
+ wxGridCellCoords( row, colFrom ),
+ wxGridCellCoords( row, colTo-1 ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+ }
+
+ wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+ wxEVT_GRID_RANGE_SELECT,
+ m_grid,
+ wxGridCellCoords( row, colFrom ),
+ wxGridCellCoords( row, colTo - 1 ),
+ false,
+ kbd );
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ }
- wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
- wxEVT_GRID_RANGE_SELECT,
- m_grid,
- wxGridCellCoords( row, 0 ),
- wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ),
- false,
- kbd );
- m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ colFrom = colTo + 1;
+ }
+ }
}
- break;
- case wxGrid::wxGridSelectColumns:
+ if ( m_selectionMode != wxGrid::wxGridSelectRows &&
+ colSelectionWasChanged )
{
- if ( !m_grid->GetBatchCount() )
+ int numRows = m_grid->GetNumberRows();
+ for ( int rowFrom = 0, rowTo = 0; rowTo <= numRows; ++rowTo )
{
- r = m_grid->BlockToDeviceRect(
- wxGridCellCoords( 0, col ),
- wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
- ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
- }
+ if ( m_rowSelection.Index(rowTo) >= 0 || rowTo == numRows )
+ {
+ if (rowFrom < rowTo)
+ {
+ if ( !m_grid->GetBatchCount() )
+ {
+ r = m_grid->BlockToDeviceRect(
+ wxGridCellCoords( rowFrom, col ),
+ wxGridCellCoords( rowTo - 1, col ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+ }
+
+ wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+ wxEVT_GRID_RANGE_SELECT,
+ m_grid,
+ wxGridCellCoords( rowFrom, col ),
+ wxGridCellCoords( rowTo - 1, col ),
+ false,
+ kbd );
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ }
- wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
- wxEVT_GRID_RANGE_SELECT,
- m_grid,
- wxGridCellCoords( 0, col ),
- wxGridCellCoords( m_grid->GetNumberRows() - 1, col ),
- false,
- kbd );
- m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ rowFrom = rowTo + 1;
+ }
+ }
}
- break;
-
- default:
- break;
}
}
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