C++ BLOCK_SELECTOR::SetMessageBlock方法代码示例

bool EDA_DRAW_FRAME::HandleBlockBegin( wxDC* aDC, int aKey, const wxPoint& aPosition )
{
    BLOCK_SELECTOR* Block = &GetScreen()->m_BlockLocate;

    if( ( Block->GetCommand() != BLOCK_IDLE ) || ( Block->GetState() != STATE_NO_BLOCK ) )
        return false;

    Block->SetCommand( (BLOCK_COMMAND_T) BlockCommand( aKey ) );

    if( Block->GetCommand() == 0 )
        return false;

    switch( Block->GetCommand() )
    {
    case BLOCK_IDLE:
        break;

    case BLOCK_MOVE:                // Move
    case BLOCK_DRAG:                // Drag (block defined)
    case BLOCK_DRAG_ITEM:           // Drag from a drag item command
    case BLOCK_COPY:                // Copy
    case BLOCK_DELETE:              // Delete
    case BLOCK_SAVE:                // Save
    case BLOCK_ROTATE:              // Rotate 90 deg
    case BLOCK_FLIP:                // Flip
    case BLOCK_ZOOM:                // Window Zoom
    case BLOCK_MIRROR_X:
    case BLOCK_MIRROR_Y:            // mirror
    case BLOCK_PRESELECT_MOVE:      // Move with preselection list
        Block->InitData( m_canvas, aPosition );
        break;

    case BLOCK_PASTE:
        Block->InitData( m_canvas, aPosition );
        Block->SetLastCursorPosition( wxPoint( 0, 0 ) );
        InitBlockPasteInfos();

        if( Block->GetCount() == 0 )      // No data to paste
        {
            DisplayError( this, wxT( "No Block to paste" ), 20 );
            GetScreen()->m_BlockLocate.SetCommand( BLOCK_IDLE );
            m_canvas->SetMouseCaptureCallback( NULL );
            return true;
        }

        if( !m_canvas->IsMouseCaptured() )
        {
            Block->ClearItemsList();
            DisplayError( this,
                          wxT( "EDA_DRAW_FRAME::HandleBlockBegin() Err: m_mouseCaptureCallback NULL" ) );
            return true;
        }

        Block->SetState( STATE_BLOCK_MOVE );
        m_canvas->CallMouseCapture( aDC, aPosition, false );
        break;

    default:
        {
            wxString msg;
            msg << wxT( "EDA_DRAW_FRAME::HandleBlockBegin() error: Unknown command " ) <<
            Block->GetCommand();
            DisplayError( this, msg );
        }
        break;
    }

    Block->SetMessageBlock( this );
    return true;
}

void SCH_EDIT_FRAME::HandleBlockEndByPopUp( int Command, wxDC* DC )
{
    bool blockCmdFinished = true;   /* set to false for block command which
                                     * have a next step
                                     * and true if the block command is finished here
                                     */
    BLOCK_SELECTOR* block = &GetScreen()->m_BlockLocate;

    // can convert only a block move command to an other command
    if( block->m_Command != BLOCK_MOVE )
        return;

    // Useless if the new command is block move because we are already in block move.
    if( Command == BLOCK_MOVE )
        return;

    block->m_Command = (CmdBlockType) Command;
    block->SetMessageBlock( this );

    switch( block->m_Command )
    {
    case BLOCK_COPY:     /* move to copy */
        block->m_State = STATE_BLOCK_MOVE;
        blockCmdFinished = false;
        break;

    case BLOCK_DRAG:     /* move to Drag */
        if( m_canvas->IsMouseCaptured() )
            m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );

        // Clear list of items to move, and rebuild it with items to drag:
        block->ClearItemsList();

        GetScreen()->BreakSegmentsOnJunctions();
        GetScreen()->UpdatePickList();

        if( block->GetCount() )
        {
            blockCmdFinished = false;
            GetScreen()->SelectBlockItems();

            if( m_canvas->IsMouseCaptured() )
                m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );

            block->m_State = STATE_BLOCK_MOVE;
        }
        break;

    case BLOCK_DELETE:     /* move to Delete */
        if( m_canvas->IsMouseCaptured() )
            m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );

        if( block->GetCount() )
        {
            DeleteItemsInList( m_canvas, block->m_ItemsSelection );
            OnModify();
        }

        GetScreen()->TestDanglingEnds( m_canvas, DC );
        m_canvas->Refresh();
        break;

    case BLOCK_SAVE:     /* Save list in paste buffer*/
        if( m_canvas->IsMouseCaptured() )
            m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );

        if( block->GetCount() )
        {
            wxPoint move_vector = -GetScreen()->m_BlockLocate.m_BlockLastCursorPosition;
            copyBlockItems( block->m_ItemsSelection );
            MoveItemsInList( m_blockItems.m_ItemsSelection, move_vector );
        }
        break;

    case BLOCK_ZOOM:     /* Window Zoom */
        m_canvas->CallEndMouseCapture( DC );
        m_canvas->SetCursor( (wxStockCursor) m_canvas->GetDefaultCursor() );
        Window_Zoom( GetScreen()->m_BlockLocate );
        break;


    case BLOCK_ROTATE:
        if( m_canvas->IsMouseCaptured() )
            m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );

        if( block->GetCount() )
        {
            /* Compute the rotation center and put it on grid */
            wxPoint rotationPoint = block->Centre();
            rotationPoint = GetScreen()->GetNearestGridPosition( rotationPoint );
            GetScreen()->SetCrossHairPosition( rotationPoint );
            SaveCopyInUndoList( block->m_ItemsSelection, UR_ROTATED, rotationPoint );
            RotateListOfItems( block->m_ItemsSelection, rotationPoint );
            OnModify();
        }

        GetScreen()->TestDanglingEnds( m_canvas, DC );
        m_canvas->Refresh();
        break;

//.........这里部分代码省略.........