294f6bcbdb
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
738 lines
21 KiB
C++
738 lines
21 KiB
C++
///////////////////////////////////////////////////////////////////////////
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// Name: generic/gridsel.cpp
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// Purpose: wxGridSelection
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// Author: Stefan Neis
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// Modified by:
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// Created: 20/02/1999
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// RCS-ID: $$
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// Copyright: (c) Stefan Neis (Stefan.Neis@t-online.de)
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma implementation "gridsel.h"
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#endif
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#include "wx/defs.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/generic/gridsel.h"
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wxGridSelection::wxGridSelection( wxGrid * grid,
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wxGridSelection::wxGridSelectionModes sel )
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{
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m_grid = grid;
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m_selectionMode = sel;
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}
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bool wxGridSelection::IsSelection()
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{
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return ( m_cellSelection.GetCount() || m_blockSelectionTopLeft.GetCount() ||
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m_rowSelection.GetCount() || m_colSelection.GetCount() );
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}
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bool wxGridSelection::IsInSelection ( int row, int col )
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{
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size_t count;
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
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m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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count = m_cellSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords = m_cellSelection[n];
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if ( row == coords.GetRow() && col == coords.GetCol() )
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return true;
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}
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}
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count = m_blockSelectionTopLeft.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
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wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
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if ( BlockContainsCell(coords1.GetRow(), coords1.GetCol(),
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coords2.GetRow(), coords2.GetCol(),
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row, col ) )
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return true;
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}
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if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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size_t count = m_rowSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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if ( row == m_rowSelection[n] )
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return true;
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}
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}
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
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{
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size_t count = m_colSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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if ( col == m_colSelection[n] )
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return true;
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}
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}
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return false;
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}
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void wxGridSelection::SelectRow( int row, bool addToSelected = FALSE )
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{
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if ( m_selectionMode == wxGridSelection::wxGridSelectColumns )
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return;
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size_t count;
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// Remove single cells contained in newly selected block.
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
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m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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count = m_cellSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords = m_cellSelection[n];
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if ( BlockContainsCell( row, 0, row, m_grid->GetNumberCols() - 1,
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coords.GetRow(), coords.GetCol() ) )
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{
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m_cellSelection.RemoveAt(n);
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n--; count--;
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}
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}
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}
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// If possible, merge row with existing selected block
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count = m_blockSelectionTopLeft.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
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wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
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if ( coords1.GetRow() == row && row == coords2.GetRow() )
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{
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m_blockSelectionTopLeft.RemoveAt(n);
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m_blockSelectionBottomRight.RemoveAt(n);
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n--; count--;
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}
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else if ( coords1.GetCol() == 0 &&
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coords2.GetCol() == m_grid->GetNumberCols() - 1 )
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{
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if ( coords1.GetRow() <= row && row <= coords2.GetRow() )
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return;
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else if ( coords1.GetRow() == row + 1)
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{
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coords1.SetRow(row);
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return;
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}
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else if ( coords2.GetRow() == row - 1)
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{
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coords2.SetRow(row);
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return;
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}
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}
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}
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// Check whether row is already selected.
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count = m_rowSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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if ( row == m_rowSelection[n] )
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return;
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}
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// Add row to selection
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m_rowSelection.Add(row);
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}
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void wxGridSelection::SelectCol( int col, bool addToSelected = FALSE )
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{
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if ( m_selectionMode == wxGridSelection::wxGridSelectRows )
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return;
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size_t count;
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// Remove single cells contained in newly selected block.
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
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m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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count = m_cellSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords = m_cellSelection[n];
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if ( BlockContainsCell( 0, col, m_grid->GetNumberRows() - 1, col,
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coords.GetRow(), coords.GetCol() ) )
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{
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m_cellSelection.RemoveAt(n);
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n--; count--;
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}
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}
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}
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// If possible, merge col with existing selected block
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count = m_blockSelectionTopLeft.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
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wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
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if ( coords1.GetCol() == col && col == coords2.GetCol() )
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{
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m_blockSelectionTopLeft.RemoveAt(n);
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m_blockSelectionBottomRight.RemoveAt(n);
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n--; count--;
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}
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else if ( coords1.GetRow() == 0 &&
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coords2.GetRow() == m_grid->GetNumberRows() - 1 )
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{
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if ( coords1.GetCol() <= col && col <= coords2.GetCol() )
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return;
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else if ( coords1.GetCol() == col + 1)
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{
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coords1.SetCol(col);
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return;
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}
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else if ( coords2.GetCol() == col - 1)
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{
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coords2.SetCol(col);
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return;
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}
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}
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}
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// Check whether col is already selected.
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count = m_colSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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if ( col == m_colSelection[n] )
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return;
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}
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// Add col to selection
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m_colSelection.Add(col);
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}
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void wxGridSelection::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
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{
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// Fix the coordinates of the block if potentially needed
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if ( m_selectionMode == wxGridSelection::wxGridSelectRows )
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{
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leftCol = 0;
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rightCol = m_grid->GetNumberCols() - 1;
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}
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else if ( m_selectionMode == wxGridSelection::wxGridSelectColumns )
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{
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topRow = 0;
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bottomRow = m_grid->GetNumberRows() - 1;
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}
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// Handle single cell selection in SelectCell.
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if ( topRow == bottomRow && leftCol == rightCol )
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SelectCell( topRow, leftCol );
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size_t count;
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// Remove single cells contained in newly selected block.
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
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m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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count = m_cellSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords = m_cellSelection[n];
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if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol,
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coords.GetRow(), coords.GetCol() ) )
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{
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m_cellSelection.RemoveAt(n);
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n--; count--;
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}
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}
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}
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// If a block containing the selection is already selected, return,
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// if a block contained in the selection is found, remove it.
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count = m_blockSelectionTopLeft.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
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wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
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switch ( BlockContain( coords1.GetRow(), coords1.GetCol(),
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coords2.GetRow(), coords2.GetCol(),
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topRow, leftCol, bottomRow, rightCol ) )
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{
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case 1:
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return;
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case -1:
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m_blockSelectionTopLeft.RemoveAt(n);
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m_blockSelectionBottomRight.RemoveAt(n);
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n--; count--;
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default:
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;
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}
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}
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// If a row containing the selection is already selected, return,
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// if a row contained in newly selected block is found, remove it.
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if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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size_t count = m_rowSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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switch ( BlockContain( m_rowSelection[n], 0,
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m_rowSelection[n], m_grid->GetNumberCols()-1,
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topRow, leftCol, bottomRow, rightCol ) )
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{
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case 1:
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return;
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case -1:
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m_rowSelection.RemoveAt(n);
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n--; count--;
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default:
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;
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}
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}
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}
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
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{
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size_t count = m_colSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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switch ( BlockContain( 0, m_colSelection[n],
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m_grid->GetNumberRows()-1, m_colSelection[n],
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topRow, leftCol, bottomRow, rightCol ) )
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{
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case 1:
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return;
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case -1:
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m_colSelection.RemoveAt(n);
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n--; count--;
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default:
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;
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}
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}
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}
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m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) );
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m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) );
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}
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void wxGridSelection::SelectCell( int row, int col)
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{
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if ( m_selectionMode == wxGridSelection::wxGridSelectRows )
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SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1 );
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else if ( m_selectionMode == wxGridSelection::wxGridSelectColumns )
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SelectBlock(0, col, m_grid->GetNumberRows() - 1, col );
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else if ( IsInSelection ( row, col ) )
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return;
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m_cellSelection.Add( wxGridCellCoords( row, col ) );
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}
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void wxGridSelection::ToggleCellSelection( int row, int col)
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{
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if ( !IsInSelection ( row, col ) )
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SelectCell( row, col );
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size_t count;
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// Maybe we want to toggle a member of m_cellSelection.
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// Then it can't be contained in rows/cols/block, and we
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// just have to remove it from m_cellSelection.
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
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m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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count = m_cellSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords = m_cellSelection[n];
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if ( row == coords.GetRow() && col == coords.GetCol() )
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{
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m_cellSelection.RemoveAt(n);
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n--; count--;
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wxRect r;
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r = m_grid->BlockToDeviceRect( m_cellSelection[n],
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m_cellSelection[n] );
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if ( !m_grid->GetBatchCount() )
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((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
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return;
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}
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}
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}
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// remove a cell from the middle of a block (the really ugly case)
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count = m_blockSelectionTopLeft.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n];
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wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n];
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int topRow = coords1.GetRow();
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int leftCol = coords1.GetCol();
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int bottomRow = coords2.GetRow();
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int rightCol = coords2.GetCol();
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if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol,
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row, col ) )
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{
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// remove the block
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m_blockSelectionTopLeft.RemoveAt(n);
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m_blockSelectionBottomRight.RemoveAt(n);
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n--; count--;
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// add up to 4 smaller blocks and set update region
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if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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if ( topRow < row )
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SelectBlock( topRow, leftCol, row - 1, rightCol );
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if ( bottomRow > row )
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SelectBlock( row + 1, leftCol, bottomRow, rightCol );
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}
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
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{
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if ( leftCol < col )
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SelectBlock( row, leftCol, row, col - 1 );
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if ( rightCol > col )
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SelectBlock( row, col + 1, row, rightCol );
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}
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}
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}
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// remove a cell from a row, adding up to two new blocks
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if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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size_t count = m_rowSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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if ( m_rowSelection[n] == row )
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{
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m_rowSelection.RemoveAt(n);
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n--; count--;
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if (m_selectionMode == wxGridSelection::wxGridSelectCells)
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{
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if ( col > 0 )
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SelectBlock( row, 0, row, col - 1 );
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if ( col < m_grid->GetNumberCols() - 1 )
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SelectBlock( row, col + 1, row, m_grid->GetNumberCols() - 1 );
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}
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}
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}
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}
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// remove a cell from a column, adding up to two new blocks
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
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{
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size_t count = m_colSelection.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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if ( m_colSelection[n] == col )
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{
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m_colSelection.RemoveAt(n);
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n--; count--;
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if (m_selectionMode == wxGridSelection::wxGridSelectCells)
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{
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if ( row > 0 )
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SelectBlock( 0, col, row - 1, col );
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if ( row < m_grid->GetNumberRows() - 1 )
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SelectBlock( row + 1, col, m_grid->GetNumberRows() - 1, col );
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}
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}
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}
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}
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wxRect r;
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switch (m_selectionMode)
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{
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case wxGridSelection::wxGridSelectCells:
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r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, col ),
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wxGridCellCoords( row, col ) );
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break;
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case wxGridSelection::wxGridSelectRows:
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r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
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wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
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break;
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case wxGridSelection::wxGridSelectColumns:
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r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
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wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
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break;
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}
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if ( !m_grid->GetBatchCount() )
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((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
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}
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void wxGridSelection::ClearSelection()
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{
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size_t n;
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows &&
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m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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while( ( n = m_cellSelection.GetCount() ) > 0)
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{
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wxRect r;
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r = m_grid->BlockToDeviceRect( m_cellSelection[n],
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m_cellSelection[n] );
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m_cellSelection.RemoveAt(n);
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if ( !m_grid->GetBatchCount() )
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((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
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}
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}
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while( ( n = m_blockSelectionTopLeft.GetCount() ) > 0)
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{
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wxRect r;
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r = m_grid->BlockToDeviceRect( m_blockSelectionTopLeft[n],
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m_blockSelectionBottomRight[n] );
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m_blockSelectionTopLeft.RemoveAt(n);
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m_blockSelectionBottomRight.RemoveAt(n);
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if ( !m_grid->GetBatchCount() )
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((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
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}
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if ( m_selectionMode != wxGridSelection::wxGridSelectColumns )
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{
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while( ( n = m_rowSelection.GetCount() ) > 0)
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{
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int & row = m_rowSelection[n];
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wxRect r;
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r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
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wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
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m_rowSelection.RemoveAt(n);
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if ( !m_grid->GetBatchCount() )
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((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
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}
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}
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if ( m_selectionMode != wxGridSelection::wxGridSelectRows )
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{
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while( ( n = m_colSelection.GetCount() ) > 0)
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{
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int & col = m_colSelection[n];
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wxRect r;
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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;
|
|
}
|