X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/294f6bcbdb75d27785ee70472e63e53b4dc98e6b..7cf3223a80adede7cf8524d29b9b5fab8621eff4:/src/generic/gridsel.cpp diff --git a/src/generic/gridsel.cpp b/src/generic/gridsel.cpp index f8dd6cb3d5..317b5038e1 100644 --- a/src/generic/gridsel.cpp +++ b/src/generic/gridsel.cpp @@ -4,7 +4,7 @@ // Author: Stefan Neis // Modified by: // Created: 20/02/1999 -// RCS-ID: $$ +// RCS-ID: $Id$ // Copyright: (c) Stefan Neis (Stefan.Neis@t-online.de) // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "gridsel.h" #endif @@ -30,10 +30,21 @@ #pragma hdrstop #endif +#if wxUSE_GRID + #include "wx/generic/gridsel.h" +// Some explanation for the members of the class: +// m_cellSelection stores individual selected cells +// -- this is only used if m_selectionMode == wxGridSelectCells +// m_blockSelectionTopLeft and m_blockSelectionBottomRight +// store the upper left and lower right corner of selected Blocks +// m_rowSelection and m_colSelection store individual selected +// rows and columns; maybe those are superfluous and should be +// treated as blocks? + wxGridSelection::wxGridSelection( wxGrid * grid, - wxGridSelection::wxGridSelectionModes sel ) + wxGrid::wxGridSelectionModes sel ) { m_grid = grid; m_selectionMode = sel; @@ -42,485 +53,833 @@ wxGridSelection::wxGridSelection( wxGrid * grid, bool wxGridSelection::IsSelection() { return ( m_cellSelection.GetCount() || m_blockSelectionTopLeft.GetCount() || - m_rowSelection.GetCount() || m_colSelection.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 ) + size_t count; + + // First check whether the given cell is individually selected + // (if m_selectionMode is wxGridSelectCells). + if ( m_selectionMode == wxGrid::wxGridSelectCells ) { 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; - } + for ( size_t n = 0; n < count; n++ ) + { + wxGridCellCoords& coords = m_cellSelection[n]; + if ( row == coords.GetRow() && col == coords.GetCol() ) + return true; + } } + + // Now check whether the given cell is + // contained in one of the selected blocks. 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; + 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 ) + + // Now check whether the given cell is + // contained in one of the selected rows + // (unless we are in column selection mode). + if ( m_selectionMode != wxGrid::wxGridSelectColumns ) { - size_t count = m_rowSelection.GetCount(); - for ( size_t n = 0; n < count; n++ ) - { - if ( row == m_rowSelection[n] ) - return true; - } + 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 ) + + // Now check whether the given cell is + // contained in one of the selected columns + // (unless we are in row selection mode). + if ( m_selectionMode != wxGrid::wxGridSelectRows ) { - size_t count = m_colSelection.GetCount(); - for ( size_t n = 0; n < count; n++ ) - { - if ( col == m_colSelection[n] ) - return true; - } + 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 ) +// Change the selection mode +void wxGridSelection::SetSelectionMode(wxGrid::wxGridSelectionModes selmode) { - if ( m_selectionMode == wxGridSelection::wxGridSelectColumns ) + // if selection mode is unchanged return immediately + if (selmode == m_selectionMode) return; - size_t count; + + if ( m_selectionMode != wxGrid::wxGridSelectCells ) + { + // if changing form row to column selection + // or vice versa, clear the selection. + if ( selmode != wxGrid::wxGridSelectCells ) + ClearSelection(); + + m_selectionMode = selmode; + } + else + { + // if changing from cell selection to something else, + // promote selected cells/blocks to whole rows/columns. + size_t n; + while ( ( n = m_cellSelection.GetCount() ) > 0 ) + { + n--; + wxGridCellCoords& coords = m_cellSelection[n]; + int row = coords.GetRow(); + int col = coords.GetCol(); + m_cellSelection.RemoveAt(n); + if (selmode == wxGrid::wxGridSelectRows) + SelectRow( row ); + else // selmode == wxGridSelectColumns) + SelectCol( col ); + } + + for (n = 0; n < m_blockSelectionTopLeft.GetCount(); n++) + // Note that m_blockSelectionTopLeft's size may be changing! + { + wxGridCellCoords& coords = m_blockSelectionTopLeft[n]; + int topRow = coords.GetRow(); + int leftCol = coords.GetCol(); + coords = m_blockSelectionBottomRight[n]; + int bottomRow = coords.GetRow(); + int rightCol = coords.GetCol(); + if (selmode == wxGrid::wxGridSelectRows) + { + if (leftCol != 0 || rightCol != m_grid->GetNumberCols() - 1 ) + { + m_blockSelectionTopLeft.RemoveAt(n); + m_blockSelectionBottomRight.RemoveAt(n); + SelectBlock( topRow, 0, + bottomRow, m_grid->GetNumberCols() - 1, + false, false, false, false, false ); + } + } + else // selmode == wxGridSelectColumns) + { + if (topRow != 0 || bottomRow != m_grid->GetNumberRows() - 1 ) + { + m_blockSelectionTopLeft.RemoveAt(n); + m_blockSelectionBottomRight.RemoveAt(n); + SelectBlock( 0, leftCol, + m_grid->GetNumberRows() - 1, rightCol, + false, false, false, false, false ); + } + } + } + m_selectionMode = selmode; + } +} + +void wxGridSelection::SelectRow( int row, + bool ControlDown, bool ShiftDown, + bool AltDown, bool MetaDown ) +{ + if ( m_selectionMode == wxGrid::wxGridSelectColumns ) + return; + size_t count, n; // Remove single cells contained in newly selected block. - if ( m_selectionMode != wxGridSelection::wxGridSelectRows && - m_selectionMode != wxGridSelection::wxGridSelectColumns ) + if ( m_selectionMode == wxGrid::wxGridSelectCells ) { 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 + for ( 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--; + } + } + } + + // Simplify list of selected blocks (if possible) count = m_blockSelectionTopLeft.GetCount(); - for ( size_t n = 0; n < count; n++ ) + bool done = false; + for ( 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++ ) + wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; + wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; + + // Remove block if it is a subset of the row + 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 ) + { + // silently return, if row is contained in block + if ( coords1.GetRow() <= row && row <= coords2.GetRow() ) + return; + // expand block, if it touched row + else if ( coords1.GetRow() == row + 1) + { + coords1.SetRow(row); + done = true; + } + else if ( coords2.GetRow() == row - 1) + { + coords2.SetRow(row); + done = true; + } + } + } + + // Unless we successfully handled the row, + // check whether row is already selected. + if ( !done ) { - if ( row == m_rowSelection[n] ) - return; + count = m_rowSelection.GetCount(); + for ( n = 0; n < count; n++ ) + { + if ( row == m_rowSelection[n] ) + return; + } + + // Add row to selection + m_rowSelection.Add(row); + } + + // Update View: + if ( !m_grid->GetBatchCount() ) + { + wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ), + wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); } - // Add row to selection - m_rowSelection.Add(row); + // Send Event + wxGridRangeSelectEvent gridEvt( m_grid->GetId(), + wxEVT_GRID_RANGE_SELECT, + m_grid, + wxGridCellCoords( row, 0 ), + wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ), + true, + ControlDown, ShiftDown, + AltDown, MetaDown ); + + m_grid->GetEventHandler()->ProcessEvent(gridEvt); } -void wxGridSelection::SelectCol( int col, bool addToSelected = FALSE ) +void wxGridSelection::SelectCol( int col, + bool ControlDown, bool ShiftDown, + bool AltDown, bool MetaDown ) { - if ( m_selectionMode == wxGridSelection::wxGridSelectRows ) + if ( m_selectionMode == wxGrid::wxGridSelectRows ) return; - size_t count; + size_t count, n; // Remove single cells contained in newly selected block. - if ( m_selectionMode != wxGridSelection::wxGridSelectRows && - m_selectionMode != wxGridSelection::wxGridSelectColumns ) + if ( m_selectionMode == wxGrid::wxGridSelectCells ) { 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 + for ( 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--; + } + } + } + + // Simplify list of selected blocks (if possible) count = m_blockSelectionTopLeft.GetCount(); - for ( size_t n = 0; n < count; n++ ) + bool done = false; + for ( 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; - } - } + wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; + wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; + + // Remove block if it is a subset of the column + 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 ) + { + // silently return, if row is contained in block + if ( coords1.GetCol() <= col && col <= coords2.GetCol() ) + return; + // expand block, if it touched col + else if ( coords1.GetCol() == col + 1) + { + coords1.SetCol(col); + done = true; + } + else if ( coords2.GetCol() == col - 1) + { + coords2.SetCol(col); + done = true; + } + } } + // Unless we successfully handled the column, // Check whether col is already selected. - count = m_colSelection.GetCount(); - for ( size_t n = 0; n < count; n++ ) + if ( !done ) + { + count = m_colSelection.GetCount(); + for ( n = 0; n < count; n++ ) + { + if ( col == m_colSelection[n] ) + return; + } + + // Add col to selection + m_colSelection.Add(col); + } + + // Update View: + if ( !m_grid->GetBatchCount() ) { - if ( col == m_colSelection[n] ) - return; + wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ), + wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); } - // Add col to selection - m_colSelection.Add(col); + // Send Event + wxGridRangeSelectEvent gridEvt( m_grid->GetId(), + wxEVT_GRID_RANGE_SELECT, + m_grid, + wxGridCellCoords( 0, col ), + wxGridCellCoords( m_grid->GetNumberRows() - 1, col ), + true, + ControlDown, ShiftDown, + AltDown, MetaDown ); + + m_grid->GetEventHandler()->ProcessEvent(gridEvt); } -void wxGridSelection::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol ) +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 potentially needed - if ( m_selectionMode == wxGridSelection::wxGridSelectRows ) + // 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 ) { - leftCol = 0; - rightCol = m_grid->GetNumberCols() - 1; + int temp = topRow; + topRow = bottomRow; + bottomRow = temp; } - else if ( m_selectionMode == wxGridSelection::wxGridSelectColumns ) + + if ( leftCol > rightCol ) { - topRow = 0; - bottomRow = m_grid->GetNumberRows() - 1; + int temp = leftCol; + leftCol = rightCol; + rightCol = temp; } // Handle single cell selection in SelectCell. - if ( topRow == bottomRow && leftCol == rightCol ) - SelectCell( topRow, leftCol ); + // (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; + size_t count, n; // Remove single cells contained in newly selected block. - if ( m_selectionMode != wxGridSelection::wxGridSelectRows && - m_selectionMode != wxGridSelection::wxGridSelectColumns ) + if ( m_selectionMode == wxGrid::wxGridSelectCells ) { 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--; - } - } + 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 ( size_t n = 0; n < count; n++ ) + 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--; - default: - ; - } + 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: - ; - } - } + 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--; + default: + ; + } + } + } + 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--; + default: + ; + } + } } 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); + } } -void wxGridSelection::SelectCell( int row, int col) +void wxGridSelection::SelectCell( int row, int col, + bool ControlDown, bool ShiftDown, + bool AltDown, bool MetaDown, + bool sendEvent ) { - 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 ); + if ( m_selectionMode == wxGrid::wxGridSelectRows ) + { + SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1, + ControlDown, ShiftDown, AltDown, MetaDown, sendEvent); + return; + } + else if ( m_selectionMode == wxGrid::wxGridSelectColumns ) + { + SelectBlock(0, col, m_grid->GetNumberRows() - 1, col, + ControlDown, ShiftDown, AltDown, MetaDown, sendEvent); + return; + } 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 ) ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } + + // Send event + if (sendEvent) + { + wxGridRangeSelectEvent gridEvt( m_grid->GetId(), + wxEVT_GRID_RANGE_SELECT, + m_grid, + wxGridCellCoords( row, col ), + wxGridCellCoords( row, col ), + true, + ControlDown, ShiftDown, + AltDown, MetaDown); + m_grid->GetEventHandler()->ProcessEvent(gridEvt); + } } -void wxGridSelection::ToggleCellSelection( int row, int col) +void wxGridSelection::ToggleCellSelection( int row, int col, + bool ControlDown, bool ShiftDown, + bool AltDown, bool MetaDown ) { + // if the cell is not selected, select it if ( !IsInSelection ( row, col ) ) - SelectCell( row, col ); - size_t count; + { + SelectCell( row, col, ControlDown, ShiftDown, + AltDown, MetaDown ); + return; + } + + // otherwise deselect it. This can be simple or more or + // less difficult, depending on how the cell is selected. + size_t count, n; - // 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. + // The simplest case: The cell is contained in m_cellSelection + // Then it can't be contained in rows/cols/block (since those + // would remove the cell from m_cellSelection on creation), so + // we just have to remove it from m_cellSelection. - if ( m_selectionMode != wxGridSelection::wxGridSelectRows && - m_selectionMode != wxGridSelection::wxGridSelectColumns ) + if ( m_selectionMode == wxGrid::wxGridSelectCells ) { 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) + for ( n = 0; n < count; n++ ) + { + wxGridCellCoords& coords = m_cellSelection[n]; + if ( row == coords.GetRow() && col == coords.GetCol() ) + { + wxGridCellCoords coords = m_cellSelection[n]; + m_cellSelection.RemoveAt(n); + if ( !m_grid->GetBatchCount() ) + { + wxRect r = m_grid->BlockToDeviceRect( coords, coords ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } + + // Send event + wxGridRangeSelectEvent gridEvt( m_grid->GetId(), + wxEVT_GRID_RANGE_SELECT, + m_grid, + wxGridCellCoords( row, col ), + wxGridCellCoords( row, col ), + false, + ControlDown, ShiftDown, + AltDown, MetaDown ); + m_grid->GetEventHandler()->ProcessEvent(gridEvt); + return; + } + } + } + + // The most difficult case: The cell is member of one or even several + // blocks. Split each such block in up to 4 new parts, that don't + // contain the cell to be selected, like this: + // |---------------------------| + // | | + // | part 1 | + // | | + // |---------------------------| + // | part 3 |x| part 4 | + // |---------------------------| + // | | + // | part 2 | + // | | + // |---------------------------| + // (The x marks the newly deselected cell). + // Note: in row selection mode, we only need part1 and part2; + // in column selection mode, we only need part 3 and part4, + // which are expanded to whole columns automatically! + count = m_blockSelectionTopLeft.GetCount(); - for ( size_t n = 0; n < count; n++ ) + for ( 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 ); - } - } + 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 != wxGrid::wxGridSelectColumns ) + { + if ( topRow < row ) + SelectBlock( topRow, leftCol, row - 1, rightCol, + false, false, false, false, false ); + if ( bottomRow > row ) + SelectBlock( row + 1, leftCol, bottomRow, rightCol, + false, false, false, false, false ); + } + if ( m_selectionMode != wxGrid::wxGridSelectRows ) + { + if ( leftCol < col ) + SelectBlock( row, leftCol, row, col - 1, + false, false, false, false, false ); + if ( rightCol > col ) + SelectBlock( row, col + 1, row, rightCol, + false, false, false, false, false ); + } + } } // 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 ); - } - } - } + if ( m_selectionMode != wxGrid::wxGridSelectColumns ) + { + count = m_rowSelection.GetCount(); + for ( n = 0; n < count; n++ ) + { + if ( m_rowSelection[n] == row ) + { + m_rowSelection.RemoveAt(n); + n--; count--; + if (m_selectionMode == wxGrid::wxGridSelectCells) + { + if ( col > 0 ) + SelectBlock( row, 0, row, col - 1, + false, false, false, false, false ); + if ( col < m_grid->GetNumberCols() - 1 ) + SelectBlock( row, col + 1, + row, m_grid->GetNumberCols() - 1, + false, false, false, false, false ); + } + } + } } // 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 ); - } - } - } + if ( m_selectionMode != wxGrid::wxGridSelectRows ) + { + count = m_colSelection.GetCount(); + for ( n = 0; n < count; n++ ) + { + if ( m_colSelection[n] == col ) + { + m_colSelection.RemoveAt(n); + n--; count--; + if (m_selectionMode == wxGrid::wxGridSelectCells) + { + if ( row > 0 ) + SelectBlock( 0, col, row - 1, col, + false, false, false, false, false ); + if ( row < m_grid->GetNumberRows() - 1 ) + SelectBlock( row + 1, col, + m_grid->GetNumberRows() - 1, col, + false, false, false, false, false ); + } + } + } } + + // 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) { - 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; + case wxGrid::wxGridSelectCells: + { + 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 ), + wxGridCellCoords( row, col ), + false, + ControlDown, ShiftDown, + AltDown, MetaDown ); + m_grid->GetEventHandler()->ProcessEvent(gridEvt); + break; + } + case wxGrid::wxGridSelectRows: + { + if ( !m_grid->GetBatchCount() ) + { + r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ), + wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } + + wxGridRangeSelectEvent gridEvt( m_grid->GetId(), + wxEVT_GRID_RANGE_SELECT, + m_grid, + wxGridCellCoords( row, 0 ), + wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ), + false, + ControlDown, ShiftDown, + AltDown, MetaDown ); + m_grid->GetEventHandler()->ProcessEvent(gridEvt); + break; + } + case wxGrid::wxGridSelectColumns: + { + if ( !m_grid->GetBatchCount() ) + { + r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ), + wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } + + wxGridRangeSelectEvent gridEvt( m_grid->GetId(), + wxEVT_GRID_RANGE_SELECT, + m_grid, + wxGridCellCoords( 0, col ), + wxGridCellCoords( m_grid->GetNumberRows() - 1, col ), + false, + ControlDown, ShiftDown, + AltDown, MetaDown ); + m_grid->GetEventHandler()->ProcessEvent(gridEvt); + 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 ); - } + wxRect r; + wxGridCellCoords coords1, coords2; + + // deselect all invidiual cells and update the screen + if ( m_selectionMode == wxGrid::wxGridSelectCells ) + { + while( ( n = m_cellSelection.GetCount() ) > 0) + { + n--; + coords1 = m_cellSelection[n]; + m_cellSelection.RemoveAt(n); + if ( !m_grid->GetBatchCount() ) + { + r = m_grid->BlockToDeviceRect( coords1, coords1 ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } + } } + + // deselect all blocks and update the screen 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 ); - } + n--; + coords1 = m_blockSelectionTopLeft[n]; + coords2 = m_blockSelectionBottomRight[n]; + m_blockSelectionTopLeft.RemoveAt(n); + m_blockSelectionBottomRight.RemoveAt(n); + if ( !m_grid->GetBatchCount() ) + { + r = m_grid->BlockToDeviceRect( coords1, coords2 ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } } + + // deselect all rows and update the screen + if ( m_selectionMode != wxGrid::wxGridSelectColumns ) + { + while( ( n = m_rowSelection.GetCount() ) > 0) + { + n--; + int row = m_rowSelection[n]; + m_rowSelection.RemoveAt(n); + if ( !m_grid->GetBatchCount() ) + { + r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ), + wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } + } + } + + // deselect all columns and update the screen + if ( m_selectionMode != wxGrid::wxGridSelectRows ) + { + while( ( n = m_colSelection.GetCount() ) > 0) + { + n--; + int col = m_colSelection[n]; + m_colSelection.RemoveAt(n); + if ( !m_grid->GetBatchCount() ) + { + r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ), + wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) ); + ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); + } + } + } + + // One deselection event, indicating deselection of _all_ cells. + // (No finer grained events for each of the smaller regions + // deselected above!) + wxGridRangeSelectEvent gridEvt( m_grid->GetId(), + wxEVT_GRID_RANGE_SELECT, + m_grid, + wxGridCellCoords( 0, 0 ), + wxGridCellCoords( m_grid->GetNumberRows() - 1, + m_grid->GetNumberCols() - 1 ), + false ); + + m_grid->GetEventHandler()->ProcessEvent(gridEvt); } void wxGridSelection::UpdateRows( size_t pos, int numRows ) { size_t count = m_cellSelection.GetCount(); - for ( size_t n = 0; n < count; n++ ) + size_t n; + for ( n = 0; n < count; n++ ) { wxGridCellCoords& coords = m_cellSelection[n]; wxCoord row = coords.GetRow(); @@ -550,7 +909,7 @@ void wxGridSelection::UpdateRows( size_t pos, int numRows ) } count = m_blockSelectionTopLeft.GetCount(); - for ( size_t n = 0; n < count; n++ ) + for ( n = 0; n < count; n++ ) { wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; @@ -562,8 +921,8 @@ void wxGridSelection::UpdateRows( size_t pos, int numRows ) { // If rows inserted, increase row counter where necessary coords2.SetRow(row2 + numRows); - if ( (size_t)row1 >= pos ) - coords1.SetRow(row1 + numRows); + if ( (size_t)row1 >= pos ) + coords1.SetRow(row1 + numRows); } else if (numRows < 0) { @@ -572,56 +931,63 @@ void wxGridSelection::UpdateRows( size_t pos, int 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) ); - + 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); + 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++ ) + for ( 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--; - } - } - } + int rowOrCol_ = m_rowSelection [ n ]; + + if ( ( size_t ) rowOrCol_ >= pos ) + { + if ( numRows > 0 ) + { + m_rowSelection [ n ] += numRows; + } + else if ( numRows < 0 ) + { + if ( ( size_t ) rowOrCol_ >= ( pos - numRows ) ) + m_rowSelection [ n ] += numRows; + else + { + m_rowSelection.RemoveAt ( n ); + n--; + count--; + } + } + } } + // No need to touch selected columns, unless we removed _all_ + // rows, in this case, we remove all columns from the selection. + + if ( !m_grid->GetNumberRows() ) + m_colSelection.Clear(); } + void wxGridSelection::UpdateCols( size_t pos, int numCols ) { size_t count = m_cellSelection.GetCount(); - for ( size_t n = 0; n < count; n++ ) + size_t n; + for ( n = 0; n < count; n++ ) { wxGridCellCoords& coords = m_cellSelection[n]; wxCoord col = coords.GetCol(); @@ -651,7 +1017,7 @@ void wxGridSelection::UpdateCols( size_t pos, int numCols ) } count = m_blockSelectionTopLeft.GetCount(); - for ( size_t n = 0; n < count; n++ ) + for ( n = 0; n < count; n++ ) { wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; @@ -663,8 +1029,8 @@ void wxGridSelection::UpdateCols( size_t pos, int numCols ) { // If rows inserted, increase row counter where necessary coords2.SetCol(col2 + numCols); - if ( (size_t)col1 >= pos ) - coords1.SetCol(col1 + numCols); + if ( (size_t)col1 >= pos ) + coords1.SetCol(col1 + numCols); } else if (numCols < 0) { @@ -673,65 +1039,72 @@ void wxGridSelection::UpdateCols( size_t pos, int 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) ); - + 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); + 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++ ) + for ( n = 0; n < count; n++ ) { - int & rowOrCol = m_colSelection[n]; - if ( (size_t)rowOrCol >= pos ) + + int rowOrCol = m_colSelection [ n ]; + if ( ( size_t ) rowOrCol >= pos ) { if ( numCols > 0 ) + m_colSelection [ n ] += numCols; + else 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; + if ( ( size_t ) rowOrCol >= ( pos -numCols ) ) + m_colSelection [ n ] += numCols; else { - m_colSelection.RemoveAt(n); - n--; count--; + m_colSelection.RemoveAt ( n ); + n--; + count--; } } } + } + + // No need to touch selected rows, unless we removed _all_ + // columns, in this case, we remove all rows from the selection. + if ( !m_grid->GetNumberCols() ) + m_rowSelection.Clear(); } + int wxGridSelection::BlockContain( int topRow1, int leftCol1, - int bottomRow1, int rightCol1, - int topRow2, int leftCol2, - int bottomRow2, int rightCol2 ) + 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 ) + leftCol1 <= leftCol2 && rightCol2 <= rightCol1 ) return 1; else if ( topRow2 <= topRow1 && bottomRow1 <= bottomRow2 && - leftCol2 <= leftCol1 && rightCol1 <= rightCol2 ) + leftCol2 <= leftCol1 && rightCol1 <= rightCol2 ) return -1; return 0; } + +#endif