///////////////////////////////////////////////////////////////////////////
-// Name: generic/gridsel.cpp
+// Name: src/generic/gridsel.cpp
// Purpose: wxGridSelection
// 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
/////////////////////////////////////////////////////////////////////////////
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
// ============================================================================
// declarations
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "gridsel.h"
-#endif
+#if wxUSE_GRID
-// For compilers that support precompilation, includes "wx/wx.h".
-#include "wx/wxprec.h"
-
-#include "wx/defs.h"
+#include "wx/generic/gridsel.h"
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-#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,
wxGrid::wxGridSelectionModes sel )
m_rowSelection.GetCount() || m_colSelection.GetCount() );
}
-bool wxGridSelection::IsInSelection ( int row, int col )
+bool wxGridSelection::IsInSelection( int row, int col )
{
- size_t count;
- if ( m_selectionMode != wxGrid::wxGridSelectRows &&
- m_selectionMode != wxGrid::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++ )
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++ )
{
row, col ) )
return true;
}
+
+ // 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();
+ count = m_rowSelection.GetCount();
for ( size_t n = 0; n < count; n++ )
{
if ( row == m_rowSelection[n] )
return true;
}
}
+
+ // 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();
+ 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 )
+// Change the selection mode
+void wxGridSelection::SetSelectionMode( wxGrid::wxGridSelectionModes selmode )
+{
+ // if selection mode is unchanged return immediately
+ if (selmode == m_selectionMode)
+ return;
+
+ 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 );
+ }
+
+ // Note that m_blockSelectionTopLeft's size may be changing!
+ for (n = 0; n < m_blockSelectionTopLeft.GetCount(); n++)
+ {
+ 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);
+ SelectBlockNoEvent( topRow, 0,
+ bottomRow, m_grid->GetNumberCols() - 1);
+ }
+ }
+ else // selmode == wxGridSelectColumns)
+ {
+ if (topRow != 0 || bottomRow != m_grid->GetNumberRows() - 1 )
+ {
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ SelectBlockNoEvent(0, leftCol,
+ m_grid->GetNumberRows() - 1, rightCol);
+ }
+ }
+ }
+
+ m_selectionMode = selmode;
+ }
+}
+
+void wxGridSelection::SelectRow(int row, const wxKeyboardState& kbd)
{
if ( m_selectionMode == wxGrid::wxGridSelectColumns )
return;
- size_t count;
+
+ size_t count, n;
// Remove single cells contained in newly selected block.
- if ( m_selectionMode != wxGrid::wxGridSelectRows &&
- m_selectionMode != wxGrid::wxGridSelectColumns )
+ if ( m_selectionMode == wxGrid::wxGridSelectCells )
{
count = m_cellSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ 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--;
+ n--;
+ count--;
}
}
}
- // If possible, merge row with existing selected block
+ // Simplify list of selected blocks (if possible)
count = m_blockSelectionTopLeft.GetCount();
- size_t n;
+ bool done = false;
+
for ( 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--;
+ 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);
- return;
+ done = true;
}
else if ( coords2.GetRow() == row - 1)
{
coords2.SetRow(row);
- return;
- }
+ done = true;
+ }
}
}
- // Check whether row is already selected.
- count = m_rowSelection.GetCount();
- for ( n = 0; n < count; n++ )
+ // 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);
+ // Add row to selection
+ m_rowSelection.Add(row);
+ }
// Update View:
- wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
- wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
+ wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+ }
+
+ // Send Event
+ wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+ wxEVT_GRID_RANGE_SELECT,
+ m_grid,
+ wxGridCellCoords( row, 0 ),
+ wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ),
+ true,
+ kbd);
+
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
}
-void wxGridSelection::SelectCol( int col, bool addToSelected )
+void wxGridSelection::SelectCol(int col, const wxKeyboardState& kbd)
{
if ( m_selectionMode == wxGrid::wxGridSelectRows )
return;
- size_t count;
+ size_t count, n;
// Remove single cells contained in newly selected block.
- if ( m_selectionMode != wxGrid::wxGridSelectRows &&
- m_selectionMode != wxGrid::wxGridSelectColumns )
+ if ( m_selectionMode == wxGrid::wxGridSelectCells )
{
count = m_cellSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ 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--;
+ n--;
+ count--;
}
}
}
- // If possible, merge col with existing selected block
+ // Simplify list of selected blocks (if possible)
count = m_blockSelectionTopLeft.GetCount();
- size_t n;
+ bool done = false;
for ( n = 0; n < count; n++ )
{
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--;
+ 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);
- return;
+ done = true;
}
else if ( coords2.GetCol() == col - 1)
{
coords2.SetCol(col);
- return;
- }
+ done = true;
+ }
}
}
+ // Unless we successfully handled the column,
// Check whether col is already selected.
- count = m_colSelection.GetCount();
- for ( n = 0; n < count; n++ )
+ if ( !done )
{
- if ( col == m_colSelection[n] )
- return;
- }
+ count = m_colSelection.GetCount();
+ for ( n = 0; n < count; n++ )
+ {
+ if ( col == m_colSelection[n] )
+ return;
+ }
- // Add col to selection
- m_colSelection.Add(col);
+ // Add col to selection
+ m_colSelection.Add(col);
+ }
// Update View:
- wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
- wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
+ wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+ }
+
+ // Send Event
+ wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+ wxEVT_GRID_RANGE_SELECT,
+ m_grid,
+ wxGridCellCoords( 0, col ),
+ wxGridCellCoords( m_grid->GetNumberRows() - 1, col ),
+ true,
+ kbd );
+
+ 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,
+ const wxKeyboardState& kbd,
+ bool sendEvent )
{
- // Fix the coordinates of the block if potentially needed
- if ( m_selectionMode == wxGrid::wxGridSelectRows )
+ // Fix the coordinates of the block if needed.
+ switch ( m_selectionMode )
{
- leftCol = 0;
- rightCol = m_grid->GetNumberCols() - 1;
+ default:
+ wxFAIL_MSG( "unknown selection mode" );
+ // fall through
+
+ case wxGrid::wxGridSelectCells:
+ // nothing to do -- in this mode arbitrary blocks can be selected
+ break;
+
+ case wxGrid::wxGridSelectRows:
+ leftCol = 0;
+ rightCol = m_grid->GetNumberCols() - 1;
+ break;
+
+ case wxGrid::wxGridSelectColumns:
+ topRow = 0;
+ bottomRow = m_grid->GetNumberRows() - 1;
+ break;
+
+ case wxGrid::wxGridSelectRowsOrColumns:
+ // block selection doesn't make sense for this mode, we could only
+ // select the entire grid but this wouldn't be useful
+ return;
}
- else if ( m_selectionMode == wxGrid::wxGridSelectColumns )
+
+ if ( topRow > bottomRow )
{
- topRow = 0;
- bottomRow = m_grid->GetNumberRows() - 1;
+ int temp = topRow;
+ topRow = bottomRow;
+ bottomRow = temp;
+ }
+
+ if ( leftCol > rightCol )
+ {
+ 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, kbd, sendEvent );
+ }
+
+ size_t count, n;
- size_t count;
// Remove single cells contained in newly selected block.
- if ( m_selectionMode != wxGrid::wxGridSelectRows &&
- m_selectionMode != wxGrid::wxGridSelectColumns )
+ if ( m_selectionMode == wxGrid::wxGridSelectCells )
{
count = m_cellSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ 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--;
+ n--;
+ count--;
}
}
}
// 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:
- ;
+ case 1:
+ return;
+
+ case -1:
+ m_blockSelectionTopLeft.RemoveAt(n);
+ m_blockSelectionBottomRight.RemoveAt(n);
+ n--;
+ count--;
+ break;
+
+ default:
+ break;
}
}
// if a row contained in newly selected block is found, remove it.
if ( m_selectionMode != wxGrid::wxGridSelectColumns )
{
- size_t count = m_rowSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ count = m_rowSelection.GetCount();
+ for ( n = 0; n < count; n++ )
{
switch ( BlockContain( m_rowSelection[n], 0,
- m_rowSelection[n], m_grid->GetNumberCols()-1,
+ m_rowSelection[n], m_grid->GetNumberCols() - 1,
topRow, leftCol, bottomRow, rightCol ) )
{
- case 1:
- return;
- case -1:
- m_rowSelection.RemoveAt(n);
- n--; count--;
- default:
- ;
+ case 1:
+ return;
+
+ case -1:
+ m_rowSelection.RemoveAt(n);
+ n--;
+ count--;
+ break;
+
+ default:
+ break;
}
}
}
+
if ( m_selectionMode != wxGrid::wxGridSelectRows )
{
- size_t count = m_colSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ count = m_colSelection.GetCount();
+ for ( n = 0; n < count; n++ )
{
switch ( BlockContain( 0, m_colSelection[n],
- m_grid->GetNumberRows()-1, 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:
- ;
+ case 1:
+ return;
+
+ case -1:
+ m_colSelection.RemoveAt(n);
+ n--;
+ count--;
+ break;
+
+ default:
+ break;
}
}
}
+
m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) );
m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) );
// Update View:
- wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( topRow, leftCol ),
- wxGridCellCoords( bottomRow, rightCol ) );
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( topRow, leftCol ),
+ wxGridCellCoords( bottomRow, rightCol ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+ }
+
+ // Send Event, if not disabled.
+ if ( sendEvent )
+ {
+ wxGridRangeSelectEvent gridEvt( m_grid->GetId(),
+ wxEVT_GRID_RANGE_SELECT,
+ m_grid,
+ wxGridCellCoords( topRow, leftCol ),
+ wxGridCellCoords( bottomRow, rightCol ),
+ true,
+ kbd);
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ }
}
-void wxGridSelection::SelectCell( int row, int col)
+void wxGridSelection::SelectCell( int row, int col,
+ const wxKeyboardState& kbd,
+ bool sendEvent )
{
if ( m_selectionMode == wxGrid::wxGridSelectRows )
- SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1 );
+ {
+ SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1, kbd, sendEvent);
+
+ return;
+ }
else if ( m_selectionMode == wxGrid::wxGridSelectColumns )
- SelectBlock(0, col, m_grid->GetNumberRows() - 1, col );
+ {
+ SelectBlock(0, col, m_grid->GetNumberRows() - 1, col, kbd, sendEvent);
+
+ return;
+ }
else if ( IsInSelection ( row, col ) )
return;
+
m_cellSelection.Add( wxGridCellCoords( row, col ) );
- wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, col ),
- wxGridCellCoords( row, col ) );
+ // Update View:
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ 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,
+ kbd);
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ }
}
-void wxGridSelection::ToggleCellSelection( int row, int col)
+void
+wxGridSelection::ToggleCellSelection(int row, int col,
+ const wxKeyboardState& kbd)
{
+ // if the cell is not selected, select it
if ( !IsInSelection ( row, col ) )
{
- SelectCell( row, col );
+ SelectCell(row, col, kbd);
+
return;
}
- size_t count;
- // Maybe we want to toggle a member of m_cellSelection.
- // Then it can't be contained in rows/cols/block, and we
- // just have to remove it from m_cellSelection.
+ // otherwise deselect it. This can be simple or more or
+ // less difficult, depending on how the cell is selected.
+ size_t count, n;
- if ( m_selectionMode != wxGrid::wxGridSelectRows &&
- m_selectionMode != wxGrid::wxGridSelectColumns )
+ // 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 == wxGrid::wxGridSelectCells )
{
count = m_cellSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ for ( n = 0; n < count; n++ )
{
- wxGridCellCoords& coords = m_cellSelection[n];
- if ( row == coords.GetRow() && col == coords.GetCol() )
+ const wxGridCellCoords& sel = m_cellSelection[n];
+ if ( row == sel.GetRow() && col == sel.GetCol() )
{
- wxRect r;
- r = m_grid->BlockToDeviceRect( m_cellSelection[n],
- m_cellSelection[n] );
+ wxGridCellCoords coords = m_cellSelection[n];
m_cellSelection.RemoveAt(n);
- n--; count--;
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ 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,
+ kbd );
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+
return;
}
}
}
- // remove a cell from the middle of a block (the really ugly case)
+ // 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 ) )
+
+ if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol, row, col ) )
{
// remove the block
m_blockSelectionTopLeft.RemoveAt(n);
m_blockSelectionBottomRight.RemoveAt(n);
- n--; count--;
+ 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 );
+ SelectBlockNoEvent(topRow, leftCol, row - 1, rightCol);
if ( bottomRow > row )
- SelectBlock( row + 1, leftCol, bottomRow, rightCol );
+ SelectBlockNoEvent(row + 1, leftCol, bottomRow, rightCol);
}
+
if ( m_selectionMode != wxGrid::wxGridSelectRows )
{
if ( leftCol < col )
- SelectBlock( row, leftCol, row, col - 1 );
+ SelectBlockNoEvent(row, leftCol, row, col - 1);
if ( rightCol > col )
- SelectBlock( row, col + 1, row, rightCol );
+ SelectBlockNoEvent(row, col + 1, row, rightCol);
}
}
}
+ bool rowSelectionWasChanged = false;
// remove a cell from a row, adding up to two new blocks
if ( m_selectionMode != wxGrid::wxGridSelectColumns )
{
- size_t count = m_rowSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ count = m_rowSelection.GetCount();
+ for ( n = 0; n < count; n++ )
{
if ( m_rowSelection[n] == row )
{
m_rowSelection.RemoveAt(n);
- n--; count--;
+ n--;
+ count--;
+
+ rowSelectionWasChanged = true;
+
if (m_selectionMode == wxGrid::wxGridSelectCells)
{
if ( col > 0 )
- SelectBlock( row, 0, row, col - 1 );
+ SelectBlockNoEvent(row, 0, row, col - 1);
if ( col < m_grid->GetNumberCols() - 1 )
- SelectBlock( row, col + 1, row, m_grid->GetNumberCols() - 1 );
+ SelectBlockNoEvent( row, col + 1,
+ row, m_grid->GetNumberCols() - 1);
}
}
}
}
+ bool colSelectionWasChanged = false;
// remove a cell from a column, adding up to two new blocks
if ( m_selectionMode != wxGrid::wxGridSelectRows )
{
- size_t count = m_colSelection.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ count = m_colSelection.GetCount();
+ for ( n = 0; n < count; n++ )
{
if ( m_colSelection[n] == col )
{
m_colSelection.RemoveAt(n);
- n--; count--;
+ n--;
+ count--;
+
+ colSelectionWasChanged = true;
+
if (m_selectionMode == wxGrid::wxGridSelectCells)
{
if ( row > 0 )
- SelectBlock( 0, col, row - 1, col );
+ SelectBlockNoEvent(0, col, row - 1, col);
if ( row < m_grid->GetNumberRows() - 1 )
- SelectBlock( row + 1, col, m_grid->GetNumberRows() - 1, col );
+ SelectBlockNoEvent(row + 1, col,
+ m_grid->GetNumberRows() - 1, col);
}
}
}
}
+
+ // 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 wxGrid::wxGridSelectCells:
- r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, col ),
- wxGridCellCoords( row, col ) );
- break;
- case wxGrid::wxGridSelectRows:
- r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
- wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
- break;
- case wxGrid::wxGridSelectColumns:
- r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
- wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
- break;
+ if ( m_selectionMode == 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,
+ kbd );
+ m_grid->GetEventHandler()->ProcessEvent( gridEvt );
+ }
+ else // rows/columns selection mode
+ {
+ if ( m_selectionMode != wxGrid::wxGridSelectColumns &&
+ rowSelectionWasChanged )
+ {
+ int numCols = m_grid->GetNumberCols();
+ for ( int colFrom = 0, colTo = 0; colTo <= numCols; ++colTo )
+ {
+ 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 );
+ }
+
+ colFrom = colTo + 1;
+ }
+ }
+ }
+
+ if ( m_selectionMode != wxGrid::wxGridSelectRows &&
+ colSelectionWasChanged )
+ {
+ int numRows = m_grid->GetNumberRows();
+ for ( int rowFrom = 0, rowTo = 0; rowTo <= numRows; ++rowTo )
+ {
+ 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 );
+ }
+
+ rowFrom = rowTo + 1;
+ }
+ }
+ }
}
- if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
}
void wxGridSelection::ClearSelection()
{
size_t n;
- if ( m_selectionMode != wxGrid::wxGridSelectRows &&
- m_selectionMode != wxGrid::wxGridSelectColumns )
+ wxRect r;
+ wxGridCellCoords coords1, coords2;
+
+ // deselect all individual cells and update the screen
+ if ( m_selectionMode == wxGrid::wxGridSelectCells )
{
-
- while( ( n = m_cellSelection.GetCount() ) > 0)
+ while ( ( n = m_cellSelection.GetCount() ) > 0)
{
- wxRect r;
n--;
- r = m_grid->BlockToDeviceRect( m_cellSelection[n],
- m_cellSelection[n] );
+ coords1 = m_cellSelection[n];
m_cellSelection.RemoveAt(n);
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ r = m_grid->BlockToDeviceRect( coords1, coords1 );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+
+#ifdef __WXMAC__
+ ((wxWindow *)m_grid->m_gridWin)->Update();
+#endif
+ }
}
}
- while( ( n = m_blockSelectionTopLeft.GetCount() ) > 0)
+
+ // deselect all blocks and update the screen
+ while ( ( n = m_blockSelectionTopLeft.GetCount() ) > 0)
{
- wxRect r;
n--;
- r = m_grid->BlockToDeviceRect( m_blockSelectionTopLeft[n],
- m_blockSelectionBottomRight[n] );
+ coords1 = m_blockSelectionTopLeft[n];
+ coords2 = m_blockSelectionBottomRight[n];
m_blockSelectionTopLeft.RemoveAt(n);
m_blockSelectionBottomRight.RemoveAt(n);
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ r = m_grid->BlockToDeviceRect( coords1, coords2 );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+
+#ifdef __WXMAC__
+ ((wxWindow *)m_grid->m_gridWin)->Update();
+#endif
+ }
}
+
+ // deselect all rows and update the screen
if ( m_selectionMode != wxGrid::wxGridSelectColumns )
{
- while( ( n = m_rowSelection.GetCount() ) > 0)
+ while ( ( n = m_rowSelection.GetCount() ) > 0)
{
n--;
- int & row = m_rowSelection[n];
- wxRect r;
- r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
- wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
+ int row = m_rowSelection[n];
m_rowSelection.RemoveAt(n);
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ),
+ wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+
+#ifdef __WXMAC__
+ ((wxWindow *)m_grid->m_gridWin)->Update();
+#endif
+ }
}
}
+
+ // deselect all columns and update the screen
if ( m_selectionMode != wxGrid::wxGridSelectRows )
{
- while( ( n = m_colSelection.GetCount() ) > 0)
+ while ( ( n = m_colSelection.GetCount() ) > 0)
{
n--;
- int & col = m_colSelection[n];
- wxRect r;
- r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
- wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
+ int col = m_colSelection[n];
m_colSelection.RemoveAt(n);
if ( !m_grid->GetBatchCount() )
- ((wxWindow *)m_grid->m_gridWin)->Refresh( FALSE, &r );
+ {
+ r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ),
+ wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) );
+ ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r );
+
+#ifdef __WXMAC__
+ ((wxWindow *)m_grid->m_gridWin)->Update();
+#endif
+ }
}
}
+
+ // 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);
}
{
// ...or remove the attribute
m_cellSelection.RemoveAt(n);
- n--; count--;
+ n--;
+ count--;
}
}
}
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);
+ coords2.SetRow( row2 + numRows );
+ if ((size_t)row1 >= pos)
+ coords1.SetRow( row1 + numRows );
}
else if (numRows < 0)
{
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) );
-
+ coords2.SetRow( row2 + numRows );
+ if ((size_t)row1 >= pos)
+ coords1.SetRow( wxMax(row1 + numRows, (int)pos) );
+
}
else
{
- if ( (size_t) row1 >= pos)
+ if ((size_t)row1 >= pos)
{
// ...or remove the attribute
m_blockSelectionTopLeft.RemoveAt(n);
m_blockSelectionBottomRight.RemoveAt(n);
- n--; count--;
+ n--;
+ count--;
}
else
- coords2.SetRow(pos);
+ coords2.SetRow( pos );
}
}
}
count = m_rowSelection.GetCount();
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();
size_t n;
+
for ( n = 0; n < count; n++ )
{
wxGridCellCoords& coords = m_cellSelection[n];
{
// ...or remove the attribute
m_cellSelection.RemoveAt(n);
- n--; count--;
+ n--;
+ count--;
}
}
}
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 )
+ if ((size_t)col1 >= pos)
coords1.SetCol(col1 + numCols);
}
else if (numCols < 0)
// ...either decrement col counter (if col still exists)...
coords2.SetCol(col2 + numCols);
if ( (size_t) col1 >= pos)
- coords1.SetCol( wxMax(col1 + numCols, (int) pos) );
-
+ coords1.SetCol( wxMax(col1 + numCols, (int)pos) );
+
}
else
{
- if ( (size_t) col1 >= pos)
+ if ((size_t)col1 >= pos)
{
// ...or remove the attribute
m_blockSelectionTopLeft.RemoveAt(n);
m_blockSelectionBottomRight.RemoveAt(n);
- n--; count--;
+ n--;
+ count--;
}
else
coords2.SetCol(pos);
count = m_colSelection.GetCount();
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,
else if ( topRow2 <= topRow1 && bottomRow1 <= bottomRow2 &&
leftCol2 <= leftCol1 && rightCol1 <= rightCol2 )
return -1;
+
return 0;
}
+
+#endif
projects / wxWidgets.git / blobdiff