GRID_TRICKS Class Reference

Add mouse and command handling (such as cut, copy, and paste) to a WX_GRID instance. More...

#include <grid_tricks.h>

Inheritance diagram for GRID_TRICKS:

Public Member Functions
	GRID_TRICKS (WX_GRID *aGrid)

Protected Member Functions
void	getSelectedArea ()
	Puts the selected area into a sensible rectangle of m_sel_{row,col}_{start,count} above. More...
void	onGridCellLeftClick (wxGridEvent &event)
void	onGridCellLeftDClick (wxGridEvent &event)
void	onGridCellRightClick (wxGridEvent &event)
void	onGridLabelLeftClick (wxGridEvent &event)
void	onGridLabelRightClick (wxGridEvent &event)
void	onPopupSelection (wxCommandEvent &event)
void	onKeyDown (wxKeyEvent &ev)
void	onUpdateUI (wxUpdateUIEvent &event)
virtual bool	handleDoubleClick (wxGridEvent &aEvent)
virtual void	showPopupMenu (wxMenu &menu)
virtual void	doPopupSelection (wxCommandEvent &event)
bool	toggleCell (int aRow, int aCol, bool aPreserveSelection=false)
bool	showEditor (int aRow, int aCol)
virtual void	paste_clipboard ()
virtual void	paste_text (const wxString &cb_text)
virtual void	cutcopy (bool doCut)

Protected Attributes
WX_GRID *	m_grid
	I don't own the grid, but he owns me. More...
int	m_sel_row_start
int	m_sel_col_start
int	m_sel_row_count
int	m_sel_col_count

Detailed Description

Add mouse and command handling (such as cut, copy, and paste) to a WX_GRID instance.

Definition at line 51 of file grid_tricks.h.

Constructor & Destructor Documentation

GRID_TRICKS()

GRID_TRICKS::GRID_TRICKS ( WX_GRID *  aGrid )

explicit

Definition at line 37 of file grid_tricks.cpp.

                                        :
    m_grid( aGrid )
{
    m_sel_row_start = 0;
    m_sel_col_start = 0;
    m_sel_row_count = 0;
    m_sel_col_count = 0;

    aGrid->Connect( wxEVT_GRID_CELL_LEFT_CLICK, wxGridEventHandler( GRID_TRICKS::onGridCellLeftClick ), NULL, this );
    aGrid->Connect( wxEVT_GRID_CELL_LEFT_DCLICK, wxGridEventHandler( GRID_TRICKS::onGridCellLeftDClick ), NULL, this );
    aGrid->Connect( wxEVT_GRID_CELL_RIGHT_CLICK, wxGridEventHandler( GRID_TRICKS::onGridCellRightClick ), NULL, this );
    aGrid->Connect( wxEVT_GRID_LABEL_RIGHT_CLICK, wxGridEventHandler( GRID_TRICKS::onGridLabelRightClick ), NULL, this );
    aGrid->Connect( wxEVT_GRID_LABEL_LEFT_CLICK, wxGridEventHandler( GRID_TRICKS::onGridLabelLeftClick ), NULL, this );
    aGrid->Connect( GRIDTRICKS_FIRST_ID, GRIDTRICKS_LAST_ID, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler( GRID_TRICKS::onPopupSelection ), NULL, this );
    aGrid->Connect( wxEVT_KEY_DOWN, wxKeyEventHandler( GRID_TRICKS::onKeyDown ), NULL, this );
    aGrid->Connect( wxEVT_UPDATE_UI, wxUpdateUIEventHandler( GRID_TRICKS::onUpdateUI ), NULL, this );
}

References GRIDTRICKS_FIRST_ID, GRIDTRICKS_LAST_ID, m_sel_col_count, m_sel_col_start, m_sel_row_count, m_sel_row_start, NULL, onGridCellLeftClick(), onGridCellLeftDClick(), onGridCellRightClick(), onGridLabelLeftClick(), onGridLabelRightClick(), onKeyDown(), onPopupSelection(), and onUpdateUI().

Member Function Documentation

cutcopy()

void GRID_TRICKS::cutcopy ( bool  doCut )

protectedvirtual

Definition at line 586 of file grid_tricks.cpp.

{
    if( wxTheClipboard->Open() )
    {
        wxGridTableBase*    tbl = m_grid->GetTable();
        wxString            txt;

        // fill txt with a format that is compatible with most spreadsheets
        for( int row = m_sel_row_start;  row < m_sel_row_start + m_sel_row_count;  ++row )
        {
            for( int col = m_sel_col_start;  col < m_sel_col_start + m_sel_col_count; ++col )
            {
                txt += tbl->GetValue( row, col );

                if( col < m_sel_col_start + m_sel_col_count - 1 )   // that was not last column
                    txt += COL_SEP;

                if( doCut )
                {
                    if( tbl->CanSetValueAs( row, col, wxGRID_VALUE_STRING ) )
                        tbl->SetValue( row, col, wxEmptyString );
                }
            }
            txt += ROW_SEP;
        }

        wxTheClipboard->SetData( new wxTextDataObject( txt ) );
        wxTheClipboard->Close();

        if( doCut )
            m_grid->ForceRefresh();
    }
}

References COL_SEP, m_grid, m_sel_col_count, m_sel_col_start, m_sel_row_count, m_sel_row_start, and ROW_SEP.

Referenced by doPopupSelection(), and onKeyDown().

doPopupSelection()

void GRID_TRICKS::doPopupSelection ( wxCommandEvent &  event )

protectedvirtual

Reimplemented in FP_GRID_TRICKS, FIELDS_EDITOR_GRID_TRICKS, and FIELDS_GRID_TRICKS.

Definition at line 274 of file grid_tricks.cpp.

{
    int     menu_id = event.GetId();

    // assume getSelectedArea() was called by rightClickPopupMenu() and there's
    // no way to have gotten here without that having been called.

    switch( menu_id )
    {
    case GRIDTRICKS_ID_CUT:
    case GRIDTRICKS_ID_COPY:
        cutcopy( menu_id == GRIDTRICKS_ID_CUT );
        break;

    case GRIDTRICKS_ID_PASTE:
        paste_clipboard();
        break;

    case GRIDTRICKS_ID_SELECT:
        m_grid->SelectAll();
        break;

    default:
        if( menu_id >= GRIDTRICKS_FIRST_SHOWHIDE )
        {
            int col = menu_id - GRIDTRICKS_FIRST_SHOWHIDE;

            if( m_grid->IsColShown( col ) )
                m_grid->HideCol( col );
            else
                m_grid->ShowCol( col );
        }
    }
}

References cutcopy(), GRIDTRICKS_FIRST_SHOWHIDE, GRIDTRICKS_ID_COPY, GRIDTRICKS_ID_CUT, GRIDTRICKS_ID_PASTE, GRIDTRICKS_ID_SELECT, m_grid, and paste_clipboard().

Referenced by FIELDS_GRID_TRICKS::doPopupSelection(), FIELDS_EDITOR_GRID_TRICKS::doPopupSelection(), FP_GRID_TRICKS::doPopupSelection(), and onPopupSelection().

getSelectedArea()

void GRID_TRICKS::getSelectedArea ( )

protected

Puts the selected area into a sensible rectangle of m_sel_{row,col}_{start,count} above.

Definition at line 167 of file grid_tricks.cpp.

{
    wxGridCellCoordsArray topLeft  = m_grid->GetSelectionBlockTopLeft();
    wxGridCellCoordsArray botRight = m_grid->GetSelectionBlockBottomRight();

    wxArrayInt  cols = m_grid->GetSelectedCols();
    wxArrayInt  rows = m_grid->GetSelectedRows();

    if( topLeft.Count() && botRight.Count() )
    {
        m_sel_row_start = topLeft[0].GetRow();
        m_sel_col_start = topLeft[0].GetCol();

        m_sel_row_count = botRight[0].GetRow() - m_sel_row_start + 1;
        m_sel_col_count = botRight[0].GetCol() - m_sel_col_start + 1;
    }
    else if( cols.Count() )
    {
        m_sel_col_start = cols[0];
        m_sel_col_count = cols.Count();
        m_sel_row_start = 0;
        m_sel_row_count = m_grid->GetNumberRows();
    }
    else if( rows.Count() )
    {
        m_sel_col_start = 0;
        m_sel_col_count = m_grid->GetNumberCols();
        m_sel_row_start = rows[0];
        m_sel_row_count = rows.Count();
    }
    else
    {
        m_sel_row_start = m_grid->GetGridCursorRow();
        m_sel_col_start = m_grid->GetGridCursorCol();
        m_sel_row_count = m_sel_row_start >= 0 ? 1 : 0;
        m_sel_col_count = m_sel_col_start >= 0 ? 1 : 0;
    }
}

References m_grid, m_sel_col_count, m_sel_col_start, m_sel_row_count, and m_sel_row_start.

Referenced by onKeyDown(), and showPopupMenu().

handleDoubleClick()

bool GRID_TRICKS::handleDoubleClick ( wxGridEvent &  aEvent )

protectedvirtual

Reimplemented in FP_GRID_TRICKS.

Definition at line 160 of file grid_tricks.cpp.

{
    // Double-click processing must be handled by specific sub-classes
    return false;
}

Referenced by onGridCellLeftDClick().

onGridCellLeftClick()

void GRID_TRICKS::onGridCellLeftClick ( wxGridEvent &  event )

protected

Definition at line 134 of file grid_tricks.cpp.

{
    int row = aEvent.GetRow();
    int col = aEvent.GetCol();

    // Don't make users click twice to toggle a checkbox or edit a text cell
    if( !aEvent.GetModifiers() )
    {
        if( toggleCell( row, col ) )
            return;

        if( showEditor( row, col ) )
            return;
    }

    aEvent.Skip();
}

References showEditor(), and toggleCell().

Referenced by GRID_TRICKS(), and onGridCellLeftDClick().

onGridCellLeftDClick()

void GRID_TRICKS::onGridCellLeftDClick ( wxGridEvent &  event )

protected

Definition at line 153 of file grid_tricks.cpp.

{
    if( !handleDoubleClick( aEvent ) )
        onGridCellLeftClick( aEvent );
}

References handleDoubleClick(), and onGridCellLeftClick().

Referenced by GRID_TRICKS().

onGridCellRightClick()

void GRID_TRICKS::onGridCellRightClick ( wxGridEvent &  event )

protected

Definition at line 207 of file grid_tricks.cpp.

{
    wxMenu menu;

    showPopupMenu( menu );
}

References showPopupMenu().

Referenced by GRID_TRICKS().

onGridLabelLeftClick()

void GRID_TRICKS::onGridLabelLeftClick ( wxGridEvent &  event )

protected

Definition at line 215 of file grid_tricks.cpp.

{
    m_grid->CommitPendingChanges();

    aEvent.Skip();
}

References WX_GRID::CommitPendingChanges(), and m_grid.

Referenced by GRID_TRICKS().

onGridLabelRightClick()

void GRID_TRICKS::onGridLabelRightClick ( wxGridEvent &  event )

protected

Definition at line 223 of file grid_tricks.cpp.

{
    wxMenu menu;

    for( int i = 0; i < m_grid->GetNumberCols(); ++i )
    {
        int id = GRIDTRICKS_FIRST_SHOWHIDE + i;
        menu.AppendCheckItem( id, m_grid->GetColLabelValue( i ) );
        menu.Check( id, m_grid->IsColShown( i ) );
    }

    m_grid->PopupMenu( &menu );
}

References GRIDTRICKS_FIRST_SHOWHIDE, and m_grid.

Referenced by GRID_TRICKS().

onKeyDown()

void GRID_TRICKS::onKeyDown ( wxKeyEvent &  ev )

protected

Definition at line 310 of file grid_tricks.cpp.

{
    if( ev.GetModifiers() == wxMOD_CONTROL && ev.GetKeyCode() == 'A' )
    {
        m_grid->SelectAll();
        return;
    }
    else if( ev.GetModifiers() == wxMOD_CONTROL && ev.GetKeyCode() == 'C' )
    {
        getSelectedArea();
        cutcopy( false );
        return;
    }
    else if( ev.GetModifiers() == wxMOD_CONTROL && ev.GetKeyCode() == 'V' )
    {
        getSelectedArea();
        paste_clipboard();
        return;
    }
    else if( ev.GetModifiers() == wxMOD_CONTROL && ev.GetKeyCode() == 'X' )
    {
        getSelectedArea();
        cutcopy( true );
        return;
    }

    // space-bar toggling of checkboxes
    if( ev.GetKeyCode() == ' ' )
    {
        bool retVal = false;

        // If only rows can be selected, only toggle the first cell in a row
        if( m_grid->GetSelectionMode() == wxGrid::wxGridSelectRows )
        {
            wxArrayInt rowSel = m_grid->GetSelectedRows();

            for( unsigned int rowInd = 0; rowInd < rowSel.GetCount(); rowInd++ )
            {
                retVal |= toggleCell( rowSel[rowInd], 0, true );
            }
        }

        // If only columns can be selected, only toggle the first cell in a column
        else if( m_grid->GetSelectionMode() == wxGrid::wxGridSelectColumns )
        {
            wxArrayInt colSel = m_grid->GetSelectedCols();

            for( unsigned int colInd = 0; colInd < colSel.GetCount(); colInd++ )
            {
                retVal |= toggleCell( 0, colSel[colInd], true );
            }
        }

        // If the user can select the individual cells, toggle each cell selected
        else if( m_grid->GetSelectionMode() == wxGrid::wxGridSelectCells )
        {
            wxArrayInt            rowSel   = m_grid->GetSelectedRows();
            wxArrayInt            colSel   = m_grid->GetSelectedCols();
            wxGridCellCoordsArray cellSel  = m_grid->GetSelectedCells();
            wxGridCellCoordsArray topLeft  = m_grid->GetSelectionBlockTopLeft();
            wxGridCellCoordsArray botRight = m_grid->GetSelectionBlockBottomRight();

            // Iterate over every individually selected cell and try to toggle it
            for( unsigned int cellInd = 0; cellInd < cellSel.GetCount(); cellInd++ )
            {
                retVal |= toggleCell( cellSel[cellInd].GetRow(), cellSel[cellInd].GetCol(), true );
            }

            // Iterate over every column and try to toggle each cell in it
            for( unsigned int colInd = 0; colInd < colSel.GetCount(); colInd++ )
            {
                for( int row = 0; row < m_grid->GetNumberRows(); row++ )
                {
                    retVal |= toggleCell( row, colSel[colInd], true );
                }
            }

            // Iterate over every row and try to toggle each cell in it
            for( unsigned int rowInd = 0; rowInd < rowSel.GetCount(); rowInd++ )
            {
                for( int col = 0; col < m_grid->GetNumberCols(); col++ )
                {
                    retVal |= toggleCell( rowSel[rowInd], col, true );
                }
            }

            // Iterate over the selection blocks
            for( unsigned int blockInd = 0; blockInd < topLeft.GetCount(); blockInd++ )
            {
                wxGridCellCoords start = topLeft[blockInd];
                wxGridCellCoords end   = botRight[blockInd];

                for( int row = start.GetRow(); row <= end.GetRow(); row++ )
                {
                    for( int col = start.GetCol(); col <= end.GetCol(); col++ )
                    {
                        retVal |= toggleCell( row, col, true );
                    }
                }
            }
        }
        else
        {
        }

        // Return if there were any cells toggled
        if( retVal )
            return;
    }

    // ctrl-tab for exit grid
#ifdef __APPLE__
    bool ctrl = ev.RawControlDown();
#else
    bool ctrl = ev.ControlDown();
#endif

    if( ctrl && ev.GetKeyCode() == WXK_TAB )
    {
        wxWindow* test = m_grid->GetNextSibling();

        if( !test )
            test = m_grid->GetParent()->GetNextSibling();

        while( test && !test->IsTopLevel() )
        {
            test->SetFocus();

            if( test->HasFocus() )
                break;

            if( !test->GetChildren().empty() )
                test = test->GetChildren().front();
            else if( test->GetNextSibling() )
                test = test->GetNextSibling();
            else
            {
                while( test )
                {
                    test = test->GetParent();

                    if( test && test->IsTopLevel() )
                    {
                        break;
                    }
                    else if( test && test->GetNextSibling() )
                    {
                        test = test->GetNextSibling();
                        break;
                    }
                }
            }
        }

        return;
    }

    ev.Skip( true );
}

References cutcopy(), getSelectedArea(), m_grid, paste_clipboard(), and toggleCell().

Referenced by GRID_TRICKS().

onPopupSelection()

void GRID_TRICKS::onPopupSelection ( wxCommandEvent &  event )

protected

Definition at line 268 of file grid_tricks.cpp.

{
    doPopupSelection( event );
}

References doPopupSelection().

Referenced by GRID_TRICKS().

onUpdateUI()

void GRID_TRICKS::onUpdateUI ( wxUpdateUIEvent &  event )

protected

Definition at line 621 of file grid_tricks.cpp.

{
    // Respect ROW selectionMode when moving cursor

    if( m_grid->GetSelectionMode() == wxGrid::wxGridSelectRows )
    {
        int cursorRow = m_grid->GetGridCursorRow();
        bool cursorInSelectedRow = false;

        for( int row : m_grid->GetSelectedRows() )
        {
            if( row == cursorRow )
            {
                cursorInSelectedRow = true;
                break;
            }
        }

        if( !cursorInSelectedRow && cursorRow >= 0 )
            m_grid->SelectRow( cursorRow );
    }
}

References m_grid.

Referenced by GRID_TRICKS().

paste_clipboard()

void GRID_TRICKS::paste_clipboard ( )

protectedvirtual

Definition at line 471 of file grid_tricks.cpp.

{
    if( wxTheClipboard->Open() )
    {
        if( wxTheClipboard->IsSupported( wxDF_TEXT ) )
        {
            wxTextDataObject    data;

            wxTheClipboard->GetData( data );

            paste_text( data.GetText() );
        }

        wxTheClipboard->Close();
        m_grid->ForceRefresh();
    }
}

References m_grid, and paste_text().

Referenced by doPopupSelection(), and onKeyDown().

paste_text()

void GRID_TRICKS::paste_text ( const wxString &  cb_text )

protectedvirtual

Reimplemented in FP_GRID_TRICKS, and SYMBOL_GRID_TRICKS.

Definition at line 490 of file grid_tricks.cpp.

{
    wxGridTableBase*   tbl = m_grid->GetTable();

    const int cur_row = m_grid->GetGridCursorRow();
    const int cur_col = m_grid->GetGridCursorCol();
    int start_row;
    int end_row;
    int start_col;
    int end_col;
    bool is_selection = false;

    if( cur_row < 0 || cur_col < 0 )
    {
        wxBell();
        return;
    }

    if( m_grid->GetSelectionMode() == wxGrid::wxGridSelectRows )
    {
        if( m_sel_row_count > 1 )
            is_selection = true;
    }
    else
    {
        if( m_grid->IsSelection() )
            is_selection = true;
    }

    wxStringTokenizer rows( cb_text, ROW_SEP, wxTOKEN_RET_EMPTY );

    // If selection of cells is present
    // then a clipboard pastes to selected cells only.
    if( is_selection )
    {
        start_row = m_sel_row_start;
        end_row = m_sel_row_start + m_sel_row_count;
        start_col = m_sel_col_start;
        end_col = m_sel_col_start + m_sel_col_count;
    }
    // Otherwise, paste whole clipboard
    // starting from cell with cursor.
    else
    {
        start_row = cur_row;
        end_row = cur_row + rows.CountTokens();

        if( end_row > tbl->GetNumberRows() )
            end_row = tbl->GetNumberRows();

        start_col = cur_col;
        end_col = start_col; // end_col actual value calculates later
    }

    for( int row = start_row;  row < end_row;  ++row )
    {
        // If number of selected rows bigger than count of rows in
        // the clipboard, paste from the clipboard again and again
        // while end of the selection is reached.
        if( !rows.HasMoreTokens() )
            rows.SetString( cb_text, ROW_SEP, wxTOKEN_RET_EMPTY );

        wxString rowTxt = rows.GetNextToken();

        wxStringTokenizer cols( rowTxt, COL_SEP, wxTOKEN_RET_EMPTY );

        if( !is_selection )
        {
            end_col = cur_col + cols.CountTokens();

            if( end_col > tbl->GetNumberCols() )
                end_col = tbl->GetNumberCols();
        }

        for( int col = start_col;  col < end_col;  ++col )
        {
            // If number of selected columns bigger than count of columns in
            // the clipboard, paste from the clipboard again and again while
            // end of the selection is reached.
            if( !cols.HasMoreTokens() )
                cols.SetString( rowTxt, COL_SEP, wxTOKEN_RET_EMPTY );

            wxString cellTxt = cols.GetNextToken();

            if( tbl->CanSetValueAs( row, col, wxGRID_VALUE_STRING ) )
            {
                tbl->SetValue( row, col, cellTxt );

                wxGridEvent evt( m_grid->GetId(), wxEVT_GRID_CELL_CHANGED, m_grid, row, col );
                m_grid->GetEventHandler()->ProcessEvent( evt );
            }
        }
    }
}

References COL_SEP, m_grid, m_sel_col_count, m_sel_col_start, m_sel_row_count, m_sel_row_start, and ROW_SEP.

Referenced by paste_clipboard(), SYMBOL_GRID_TRICKS::paste_text(), and FP_GRID_TRICKS::paste_text().

showEditor()

bool GRID_TRICKS::showEditor ( int  aRow, int  aCol  )

protected

Definition at line 99 of file grid_tricks.cpp.

{
    if( m_grid->GetGridCursorRow() != aRow || m_grid->GetGridCursorCol() != aCol )
        m_grid->SetGridCursor( aRow, aCol );

    if( m_grid->IsEditable() && !m_grid->IsReadOnly( aRow, aCol ) )
    {
        m_grid->ClearSelection();

        if( m_grid->GetSelectionMode() == wxGrid::wxGridSelectRows )
        {
            wxArrayInt rows = m_grid->GetSelectedRows();

            if( rows.size() != 1 || rows.Item( 0 ) != aRow )
                m_grid->SelectRow( aRow );
        }

        // For several reasons we can't enable the control here.  There's the whole
        // SetInSetFocus() issue/hack in wxWidgets, and there's also wxGrid's MouseUp
        // handler which doesn't notice it's processing a MouseUp until after it has
        // disabled the editor yet again.  So we re-use wxWidgets' slow-click hack,
        // which is processed later in the MouseUp handler.
        //
        // It should be pointed out that the fact that it's wxWidgets' hack doesn't
        // make it any less of a hack.  Be extra careful with any modifications here.
        // See, in particular, https://bugs.launchpad.net/kicad/+bug/1817965.
        m_grid->ShowEditorOnMouseUp();

        return true;
    }

    return false;
}

References m_grid, and WX_GRID::ShowEditorOnMouseUp().

Referenced by onGridCellLeftClick().

showPopupMenu()

void GRID_TRICKS::showPopupMenu ( wxMenu &  menu )

protectedvirtual

Reimplemented in FP_GRID_TRICKS, FIELDS_EDITOR_GRID_TRICKS, and FIELDS_GRID_TRICKS.

Definition at line 238 of file grid_tricks.cpp.

{
    menu.Append( GRIDTRICKS_ID_CUT,    _( "Cut" ) + "\tCtrl+X",         _( "Clear selected cells placing original contents on clipboard" ) );
    menu.Append( GRIDTRICKS_ID_COPY,   _( "Copy" ) + "\tCtrl+C",        _( "Copy selected cells to clipboard" ) );
    menu.Append( GRIDTRICKS_ID_PASTE,  _( "Paste" ) + "\tCtrl+V",       _( "Paste clipboard cells to matrix at current cell" ) );
    menu.Append( GRIDTRICKS_ID_SELECT, _( "Select All" ) + "\tCtrl+A",  _( "Select all cells" ) );

    getSelectedArea();

    // if nothing is selected, disable cut and copy.
    if( !m_sel_row_count && !m_sel_col_count )
    {
        menu.Enable( GRIDTRICKS_ID_CUT,  false );
        menu.Enable( GRIDTRICKS_ID_COPY, false );
    }

    menu.Enable( GRIDTRICKS_ID_PASTE, false );

    if( wxTheClipboard->Open() )
    {
        if( wxTheClipboard->IsSupported( wxDF_TEXT ) )
            menu.Enable( GRIDTRICKS_ID_PASTE, true );

        wxTheClipboard->Close();
    }

    m_grid->PopupMenu( &menu );
}

References _, getSelectedArea(), GRIDTRICKS_ID_COPY, GRIDTRICKS_ID_CUT, GRIDTRICKS_ID_PASTE, GRIDTRICKS_ID_SELECT, m_grid, m_sel_col_count, and m_sel_row_count.

Referenced by onGridCellRightClick(), FIELDS_GRID_TRICKS::showPopupMenu(), FIELDS_EDITOR_GRID_TRICKS::showPopupMenu(), and FP_GRID_TRICKS::showPopupMenu().

toggleCell()

bool GRID_TRICKS::toggleCell ( int  aRow, int  aCol, bool  aPreserveSelection = false  )

protected

Definition at line 56 of file grid_tricks.cpp.

{
    auto renderer = m_grid->GetCellRenderer( aRow, aCol );
    bool isCheckbox = ( dynamic_cast<wxGridCellBoolRenderer*>( renderer ) != nullptr );
    renderer->DecRef();

    if( isCheckbox )
    {
        if( !aPreserveSelection )
            m_grid->ClearSelection();

        m_grid->SetGridCursor( aRow, aCol );

        wxGridTableBase* model = m_grid->GetTable();

        if( model->CanGetValueAs( aRow, aCol, wxGRID_VALUE_BOOL )
                && model->CanSetValueAs( aRow, aCol, wxGRID_VALUE_BOOL ) )
        {
            model->SetValueAsBool( aRow, aCol, !model->GetValueAsBool( aRow, aCol ) );
        }
        else    // fall back to string processing
        {
            if( model->GetValue( aRow, aCol ) == wxT( "1" ) )
                model->SetValue( aRow, aCol, wxT( "0" ) );
            else
                model->SetValue( aRow, aCol, wxT( "1" ) );
        }

        // Mac needs this for the keyboard events; Linux appears to always need it.
        m_grid->ForceRefresh();

        // Let any clients know
        wxGridEvent event( m_grid->GetId(), wxEVT_GRID_CELL_CHANGED, m_grid, aRow, aCol );
        event.SetString( model->GetValue( aRow, aCol ) );
        m_grid->GetEventHandler()->ProcessEvent( event );

        return true;
    }

    return false;
}

References m_grid.

Referenced by onGridCellLeftClick(), and onKeyDown().

Member Data Documentation

m_grid

WX_GRID* GRID_TRICKS::m_grid

protected

I don't own the grid, but he owns me.

Definition at line 80 of file grid_tricks.h.

Referenced by cutcopy(), FIELDS_GRID_TRICKS::doPopupSelection(), doPopupSelection(), FIELDS_EDITOR_GRID_TRICKS::doPopupSelection(), FP_GRID_TRICKS::doPopupSelection(), getSelectedArea(), onGridLabelLeftClick(), onGridLabelRightClick(), onKeyDown(), onUpdateUI(), FP_GRID_TRICKS::optionsEditor(), paste_clipboard(), paste_text(), SYMBOL_GRID_TRICKS::paste_text(), FP_GRID_TRICKS::paste_text(), showEditor(), FIELDS_GRID_TRICKS::showPopupMenu(), showPopupMenu(), FIELDS_EDITOR_GRID_TRICKS::showPopupMenu(), FP_GRID_TRICKS::showPopupMenu(), and toggleCell().

m_sel_col_count

int GRID_TRICKS::m_sel_col_count

protected

Definition at line 87 of file grid_tricks.h.

Referenced by cutcopy(), getSelectedArea(), GRID_TRICKS(), paste_text(), and showPopupMenu().

m_sel_col_start

int GRID_TRICKS::m_sel_col_start

protected

Definition at line 85 of file grid_tricks.h.

Referenced by cutcopy(), getSelectedArea(), GRID_TRICKS(), and paste_text().

m_sel_row_count

int GRID_TRICKS::m_sel_row_count

protected

Definition at line 86 of file grid_tricks.h.

Referenced by cutcopy(), getSelectedArea(), GRID_TRICKS(), paste_text(), and showPopupMenu().

m_sel_row_start

int GRID_TRICKS::m_sel_row_start

protected

Definition at line 84 of file grid_tricks.h.

Referenced by cutcopy(), getSelectedArea(), GRID_TRICKS(), and paste_text().

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The documentation for this class was generated from the following files:

• grid_tricks.h
• grid_tricks.cpp