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

void DrawAndSizingBlockOutlines( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
                                 bool aErase )
{
    BLOCK_SELECTOR* block;

    block = &aPanel->GetScreen()->m_BlockLocate;

    block->SetMoveVector( wxPoint( 0, 0 ) );

    if( aErase )
        block->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode, block->GetColor() );

    block->SetLastCursorPosition( aPanel->GetParent()->GetCrossHairPosition() );
    block->SetEnd( aPanel->GetParent()->GetCrossHairPosition() );

    block->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode, block->GetColor() );

    if( block->GetState() == STATE_BLOCK_INIT )
    {
        if( block->GetWidth() || block->GetHeight() )
            // 2nd point exists: the rectangle is not surface anywhere
            block->SetState( STATE_BLOCK_END );
    }
}

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;
}

bool LIB_EDIT_FRAME::HandleBlockEnd( wxDC* aDC )
{
    int ItemCount = 0;
    bool nextCmd = false;
    BLOCK_SELECTOR* block = &GetScreen()->m_BlockLocate;
    wxPoint pt;

    auto panel =static_cast<SCH_DRAW_PANEL*>(m_canvas);
    auto view = panel->GetView();
    auto area = view->GetSelectionArea();

    auto start = area->GetOrigin();
    auto end = area->GetEnd();

    block->SetOrigin( wxPoint( start.x, start.y ) );
    block->SetEnd( wxPoint( end.x, end.y ) );

    view->ShowSelectionArea( false );
    view->ClearHiddenFlags();

    if( block->GetCount() )
    {
        BLOCK_STATE_T state     = block->GetState();
        BLOCK_COMMAND_T command = block->GetCommand();

        m_canvas->CallEndMouseCapture( aDC );

        block->SetState( state );
        block->SetCommand( command );
        m_canvas->SetMouseCapture( DrawAndSizingBlockOutlines, AbortBlockCurrentCommand );

        if( block->GetCommand() != BLOCK_ABORT
            && block->GetCommand() != BLOCK_DUPLICATE
            && block->GetCommand() != BLOCK_COPY
            && block->GetCommand() != BLOCK_CUT
            && block->GetCommand() != BLOCK_DELETE )
        {
            SetCrossHairPosition( block->GetEnd() );
            m_canvas->MoveCursorToCrossHair();
        }
    }

    if( m_canvas->IsMouseCaptured() )
    {
        switch( block->GetCommand() )
        {
        case  BLOCK_IDLE:
            DisplayError( this, wxT( "Error in HandleBlockPLace" ) );
            break;

        case BLOCK_DRAG:        // Drag
        case BLOCK_DRAG_ITEM:
        case BLOCK_MOVE:        // Move
        case BLOCK_DUPLICATE:   // Duplicate
            if( GetCurPart() )
                ItemCount = BlockSelectItems( GetCurPart(), block, m_unit, m_convert, m_syncPinEdit );

            if( ItemCount )
            {
                nextCmd = true;
                block->SetState( STATE_BLOCK_MOVE );

                if( block->GetCommand() == BLOCK_DUPLICATE )
                {
                    if( block->AppendUndo() )
                        ; // UR_LIBEDIT saves entire state, so no need to append anything more
                    else
                    {
                        SaveCopyInUndoList( GetCurPart(), UR_LIBEDIT );
                        block->SetAppendUndo();
                    }

                    BlockCopySelectedItems( pt, GetCurPart(), block );
                    block->SetLastCursorPosition( GetCrossHairPosition( true ) );
                }

                m_canvas->SetMouseCaptureCallback( DrawMovingBlockOutlines );
                m_canvas->CallMouseCapture( aDC, wxDefaultPosition, false );
            }
            else
            {
                m_canvas->CallMouseCapture( aDC, wxDefaultPosition, false );
                m_canvas->SetMouseCapture( NULL, NULL );
            }
            break;

        case BLOCK_COPY:    // Save a copy of items in the clipboard buffer
        case BLOCK_CUT:
            if( GetCurPart() )
                ItemCount = BlockSelectItems( GetCurPart(), block, m_unit, m_convert, m_syncPinEdit );

            if( ItemCount )
            {
                copySelectedItems();
                auto cmd = block->GetCommand();

                if( cmd == BLOCK_COPY )
                {
                    BlockClearSelectedItems( GetCurPart(), block );
                    block->ClearItemsList();
//.........这里部分代码省略.........