C++ BASE_SCREEN::GetGridId方法代码示例

void EDA_DRAW_FRAME::SetPrevGrid()
{
    BASE_SCREEN * screen = GetScreen();
    int grid_cnt = screen->GetGridCount();

    int new_grid_idx = screen->GetGridId() - ID_POPUP_GRID_LEVEL_1000 - 1;

    if( new_grid_idx < 0 )
        new_grid_idx = grid_cnt - 1;

    SetPresetGrid( new_grid_idx );
}

bool PCB_BASE_FRAME::InvokeDialogGrid()
{
    wxPoint grid_origin = GetGridOrigin();

    DIALOG_SET_GRID dlg( this, &m_UserGridUnit, g_UserUnit, &m_UserGridSize,
        &grid_origin, &m_FastGrid1, &m_FastGrid2,
        m_gridSelectBox->GetStrings() );

    int ret = dlg.ShowModal();

    if( ret == wxID_OK )
    {
        if( GetGridOrigin() != grid_origin && IsType( FRAME_PCB ) )
            OnModify();     // because grid origin is saved in board, show as modified

        SetGridOrigin( grid_origin );

        BASE_SCREEN* screen = GetScreen();

        screen->AddGrid( m_UserGridSize, m_UserGridUnit, ID_POPUP_GRID_USER );

        // If the user grid is the current option, recall SetGrid()
        // to force new values put in list as current grid value
        if( screen->GetGridId() == ID_POPUP_GRID_USER )
            screen->SetGrid( ID_POPUP_GRID_USER );

        if( IsGalCanvasActive() )
        {
            GetGalCanvas()->GetGAL()->SetGridSize( VECTOR2D( screen->GetGrid().m_Size.x,
                                                             screen->GetGrid().m_Size.y ) );
            GetGalCanvas()->GetView()->MarkTargetDirty( KIGFX::TARGET_NONCACHED );
        }

        m_canvas->Refresh();

        return true;
    }

    return false;
}

void EDA_DRAW_FRAME::OnSelectGrid( wxCommandEvent& event )
{
    int* clientData;
    int  eventId = ID_POPUP_GRID_LEVEL_100;

    if( event.GetEventType() == wxEVT_COMMAND_COMBOBOX_SELECTED )
    {
        if( m_gridSelectBox == NULL )
            return;

        /*
         * Don't use wxCommandEvent::GetClientData() here.  It always
         * returns NULL in GTK.  This solution is not as elegant but
         * it works.
         */
        int index = m_gridSelectBox->GetSelection();
        wxASSERT( index != wxNOT_FOUND );
        clientData = (int*) m_gridSelectBox->wxItemContainer::GetClientData( index );

        if( clientData != NULL )
            eventId = *clientData;
    }
    else
    {
        eventId = event.GetId();

        /* Update the grid select combobox if the grid size was changed
         * by menu event.
         */
        if( m_gridSelectBox != NULL )
        {
            for( size_t i = 0; i < m_gridSelectBox->GetCount(); i++ )
            {
                clientData = (int*) m_gridSelectBox->wxItemContainer::GetClientData( i );

                if( clientData && eventId == *clientData )
                {
                    m_gridSelectBox->SetSelection( i );
                    break;
                }
            }
        }
    }

    // Be sure m_LastGridSizeId is up to date.
    m_LastGridSizeId = eventId - ID_POPUP_GRID_LEVEL_1000;

    BASE_SCREEN* screen = GetScreen();

    if( screen->GetGridId() == eventId )
        return;

    /*
     * This allows for saving non-sequential command ID offsets used that
     * may be used in the grid size combobox.  Do not use the selection
     * index returned by GetSelection().
     */
    screen->SetGrid( eventId );
    SetCrossHairPosition( RefPos( true ) );

    if( IsGalCanvasActive() )
    {
        GetGalCanvas()->GetGAL()->SetGridSize( VECTOR2D( screen->GetGrid().m_Size.x,
                                                         screen->GetGrid().m_Size.y ) );
        GetGalCanvas()->GetView()->MarkTargetDirty( KIGFX::TARGET_NONCACHED );
    }

    m_canvas->Refresh();
}