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Added extended selection support.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Neis
2000-03-03 16:44:33 +00:00
parent d2e4966591
commit b58088819b
5 changed files with 475 additions and 561 deletions
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243
src/generic/grid.cpp
View File

@@ -50,6 +50,7 @@
#include "wx/tokenzr.h"
#include "wx/grid.h"
#include "wx/generic/gridsel.h"
// ----------------------------------------------------------------------------
// array classes
@@ -3078,6 +3079,7 @@ wxGrid::~wxGrid()
delete m_table;
delete m_typeRegistry;
delete m_selection;
}
@@ -3118,7 +3120,7 @@ void wxGrid::Create()
// create the type registry
m_typeRegistry = new wxGridTypeRegistry;
m_selection = 0;
// subwindow components that make up the wxGrid
m_cornerLabelWin = new wxGridCornerLabelWindow( this,
-1,
@@ -3146,7 +3148,8 @@ void wxGrid::Create()
}
bool wxGrid::CreateGrid( int numRows, int numCols )
bool wxGrid::CreateGrid( int numRows, int numCols,
wxGrid::wxGridSelectionModes selmode )
{
if ( m_created )
{
@@ -3164,7 +3167,7 @@ bool wxGrid::CreateGrid( int numRows, int numCols )
Init();
m_created = TRUE;
}
m_selection = new wxGridSelection( this, selmode );
return m_created;
}
@@ -3262,8 +3265,8 @@ void wxGrid::Init()
m_currentCellCoords = wxGridNoCellCoords;
m_selectedTopLeft = wxGridNoCellCoords;
m_selectedBottomRight = wxGridNoCellCoords;
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
m_selectionBackground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
m_selectionForeground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
@@ -4304,6 +4307,8 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
//
if ( event.LeftDown() && coords != wxGridNoCellCoords )
{
if ( !event.ShiftDown() && !event.ControlDown() )
ClearSelection();
if ( event.ShiftDown() )
{
SelectBlock( m_currentCellCoords, coords );
@@ -4339,6 +4344,10 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
}
else
{
m_selection->ToggleCellSelection( coords.GetRow(),
coords.GetCol() );
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
SetCurrentCell( coords );
m_waitForSlowClick = TRUE;
}
@@ -4369,8 +4378,13 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
if ( IsSelection() )
if ( m_selectingTopLeft != wxGridNoCellCoords &&
m_selectingBottomRight != wxGridNoCellCoords )
{
m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
m_selectingTopLeft.GetCol(),
m_selectingBottomRight.GetRow(),
m_selectingBottomRight.GetCol() );
if (m_winCapture)
{
m_winCapture->ReleaseMouse();
@@ -4659,7 +4673,7 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
SetCurrentCell( 0, 0 );
}
ClearSelection();
m_selection->UpdateRows( pos, numRows );
if ( !GetBatchCount() ) Refresh();
}
@@ -4695,7 +4709,6 @@ bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
// the table will have sent the results of the append row
// operation to this view object as a grid table message
//
ClearSelection();
if ( !GetBatchCount() ) Refresh();
return TRUE;
}
@@ -4727,7 +4740,7 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
// the table will have sent the results of the delete row
// operation to this view object as a grid table message
//
ClearSelection();
m_selection->UpdateRows( pos, -((int)numRows) );
if ( !GetBatchCount() ) Refresh();
return TRUE;
}
@@ -4766,7 +4779,7 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
SetCurrentCell( 0, 0 );
}
ClearSelection();
m_selection->UpdateCols( pos, numCols );
if ( !GetBatchCount() ) Refresh();
}
@@ -4802,7 +4815,6 @@ bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
SetCurrentCell( 0, 0 );
}
ClearSelection();
if ( !GetBatchCount() ) Refresh();
return TRUE;
}
@@ -4833,7 +4845,7 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
// the table will have sent the results of the delete col
// operation to this view object as a grid table message
//
ClearSelection();
m_selection->UpdateCols( pos, -((int)numCols) );
if ( !GetBatchCount() ) Refresh();
return TRUE;
}
@@ -4875,8 +4887,8 @@ bool wxGrid::SendEvent( const wxEventType type,
wxGridRangeSelectEvent gridEvt( GetId(),
type,
this,
m_selectedTopLeft,
m_selectedBottomRight,
m_selectingTopLeft,
m_selectingBottomRight,
mouseEv.ControlDown(),
mouseEv.ShiftDown(),
mouseEv.AltDown(),
@@ -5157,13 +5169,16 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
wxGridCellAttr* attr = GetCellAttr(coords);
DrawCellHighlight(dc, attr);
attr->DecRef();
#if 0
// SN: For my extended selection code, automatic
// deselection is definitely not a good idea.
if ( IsSelection() )
{
wxRect r( SelectionToDeviceRect() );
ClearSelection();
if ( !GetBatchCount() ) m_gridWin->Refresh( FALSE, &r );
}
#endif
}
}
@@ -7422,83 +7437,16 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
void wxGrid::SelectRow( int row, bool addToSelected )
{
wxRect r;
if ( IsSelection() && !addToSelected )
m_selection->ClearSelection();
if ( IsSelection() && addToSelected )
{
wxRect rect[4];
bool need_refresh[4];
need_refresh[0] =
need_refresh[1] =
need_refresh[2] =
need_refresh[3] = FALSE;
int i;
wxCoord oldLeft = m_selectedTopLeft.GetCol();
wxCoord oldTop = m_selectedTopLeft.GetRow();
wxCoord oldRight = m_selectedBottomRight.GetCol();
wxCoord oldBottom = m_selectedBottomRight.GetRow();
if ( oldTop > row )
{
need_refresh[0] = TRUE;
rect[0] = BlockToDeviceRect( wxGridCellCoords ( row, 0 ),
wxGridCellCoords ( oldTop - 1,
m_numCols - 1 ) );
m_selectedTopLeft.SetRow( row );
}
if ( oldLeft > 0 )
{
need_refresh[1] = TRUE;
rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop, 0 ),
wxGridCellCoords ( oldBottom,
oldLeft - 1 ) );
m_selectedTopLeft.SetCol( 0 );
}
if ( oldBottom < row )
{
need_refresh[2] = TRUE;
rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldBottom + 1, 0 ),
wxGridCellCoords ( row,
m_numCols - 1 ) );
m_selectedBottomRight.SetRow( row );
}
if ( oldRight < m_numCols - 1 )
{
need_refresh[3] = TRUE;
rect[3] = BlockToDeviceRect( wxGridCellCoords ( oldTop ,
oldRight + 1 ),
wxGridCellCoords ( oldBottom,
m_numCols - 1 ) );
m_selectedBottomRight.SetCol( m_numCols - 1 );
}
for (i = 0; i < 4; i++ )
if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
m_gridWin->Refresh( FALSE, &(rect[i]) );
}
else
{
r = SelectionToDeviceRect();
ClearSelection();
if ( r != wxGridNoCellRect ) m_gridWin->Refresh( FALSE, &r );
m_selectedTopLeft.Set( row, 0 );
m_selectedBottomRight.Set( row, m_numCols-1 );
r = SelectionToDeviceRect();
m_gridWin->Refresh( FALSE, &r );
}
m_selection->SelectRow( row );
wxGridRangeSelectEvent gridEvt( GetId(),
wxEVT_GRID_RANGE_SELECT,
this,
m_selectedTopLeft,
m_selectedBottomRight );
wxGridCellCoords( row, 0 ),
wxGridCellCoords( row, m_numCols - 1 ) );
GetEventHandler()->ProcessEvent(gridEvt);
}
@@ -7506,81 +7454,16 @@ void wxGrid::SelectRow( int row, bool addToSelected )
void wxGrid::SelectCol( int col, bool addToSelected )
{
if ( IsSelection() && addToSelected )
{
wxRect rect[4];
bool need_refresh[4];
need_refresh[0] =
need_refresh[1] =
need_refresh[2] =
need_refresh[3] = FALSE;
int i;
if ( IsSelection() && !addToSelected )
m_selection->ClearSelection();
wxCoord oldLeft = m_selectedTopLeft.GetCol();
wxCoord oldTop = m_selectedTopLeft.GetRow();
wxCoord oldRight = m_selectedBottomRight.GetCol();
wxCoord oldBottom = m_selectedBottomRight.GetRow();
if ( oldLeft > col )
{
need_refresh[0] = TRUE;
rect[0] = BlockToDeviceRect( wxGridCellCoords ( 0, col ),
wxGridCellCoords ( m_numRows - 1,
oldLeft - 1 ) );
m_selectedTopLeft.SetCol( col );
}
if ( oldTop > 0 )
{
need_refresh[1] = TRUE;
rect[1] = BlockToDeviceRect( wxGridCellCoords ( 0, oldLeft ),
wxGridCellCoords ( oldTop - 1,
oldRight ) );
m_selectedTopLeft.SetRow( 0 );
}
if ( oldRight < col )
{
need_refresh[2] = TRUE;
rect[2] = BlockToDeviceRect( wxGridCellCoords ( 0, oldRight + 1 ),
wxGridCellCoords ( m_numRows - 1,
col ) );
m_selectedBottomRight.SetCol( col );
}
if ( oldBottom < m_numRows - 1 )
{
need_refresh[3] = TRUE;
rect[3] = BlockToDeviceRect( wxGridCellCoords ( oldBottom + 1,
oldLeft ),
wxGridCellCoords ( m_numRows - 1,
oldRight ) );
m_selectedBottomRight.SetRow( m_numRows - 1 );
}
for (i = 0; i < 4; i++ )
if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
m_gridWin->Refresh( FALSE, &(rect[i]) );
}
else
{
wxRect r;
r = SelectionToDeviceRect();
ClearSelection();
if ( r != wxGridNoCellRect ) m_gridWin->Refresh( FALSE, &r );
m_selectedTopLeft.Set( 0, col );
m_selectedBottomRight.Set( m_numRows-1, col );
r = SelectionToDeviceRect();
m_gridWin->Refresh( FALSE, &r );
}
m_selection->SelectCol( col );
wxGridRangeSelectEvent gridEvt( GetId(),
wxEVT_GRID_RANGE_SELECT,
this,
m_selectedTopLeft,
m_selectedBottomRight );
wxGridCellCoords( 0, col ),
wxGridCellCoords( m_numRows - 1, col ) );
GetEventHandler()->ProcessEvent(gridEvt);
}
@@ -7608,8 +7491,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
updateTopLeft = wxGridCellCoords( topRow, leftCol );
updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
if ( m_selectedTopLeft != updateTopLeft ||
m_selectedBottomRight != updateBottomRight )
if ( m_selectingTopLeft != updateTopLeft ||
m_selectingBottomRight != updateBottomRight )
{
// Compute two optimal update rectangles:
// Either one rectangle is a real subset of the
@@ -7623,10 +7506,10 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
int i;
// Store intermediate values
wxCoord oldLeft = m_selectedTopLeft.GetCol();
wxCoord oldTop = m_selectedTopLeft.GetRow();
wxCoord oldRight = m_selectedBottomRight.GetCol();
wxCoord oldBottom = m_selectedBottomRight.GetRow();
wxCoord oldLeft = m_selectingTopLeft.GetCol();
wxCoord oldTop = m_selectingTopLeft.GetRow();
wxCoord oldRight = m_selectingBottomRight.GetCol();
wxCoord oldBottom = m_selectingBottomRight.GetRow();
// Determine the outer/inner coordinates.
if (oldLeft > leftCol)
@@ -7696,8 +7579,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
// Change Selection
m_selectedTopLeft = updateTopLeft;
m_selectedBottomRight = updateBottomRight;
m_selectingTopLeft = updateTopLeft;
m_selectingBottomRight = updateBottomRight;
// various Refresh() calls
for (i = 0; i < 4; i++ )
@@ -7713,8 +7596,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
wxGridRangeSelectEvent gridEvt( GetId(),
wxEVT_GRID_RANGE_SELECT,
this,
m_selectedTopLeft,
m_selectedBottomRight );
m_selectingTopLeft,
m_selectingBottomRight );
GetEventHandler()->ProcessEvent(gridEvt);
}
@@ -7722,17 +7605,30 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
void wxGrid::SelectAll()
{
m_selectedTopLeft.Set( 0, 0 );
m_selectedBottomRight.Set( m_numRows-1, m_numCols-1 );
m_gridWin->Refresh();
m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
}
bool wxGrid::IsSelection()
{
return ( m_selection->IsSelection() ||
( m_selectingTopLeft != wxGridNoCellCoords &&
m_selectingBottomRight != wxGridNoCellCoords ) );
}
bool wxGrid::IsInSelection( int row, int col )
{
return ( m_selection->IsInSelection( row, col ) ||
( row >= m_selectingTopLeft.GetRow() &&
col >= m_selectingTopLeft.GetCol() &&
row <= m_selectingBottomRight.GetRow() &&
col <= m_selectingBottomRight.GetCol() ) );
}
void wxGrid::ClearSelection()
{
m_selectedTopLeft = wxGridNoCellCoords;
m_selectedBottomRight = wxGridNoCellCoords;
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
m_selection->ClearSelection();
}
@@ -7847,4 +7743,3 @@ wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObjec
#endif // ifndef wxUSE_NEW_GRID