C++ BLOCK_SELECTOR::Centre方法代码示例

bool SCH_EDIT_FRAME::HandleBlockEnd( wxDC* aDC )
{
    bool            nextcmd = false;
    bool            zoom_command = false;
    BLOCK_SELECTOR* block = &GetScreen()->m_BlockLocate;

    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 );
        SetCrossHairPosition( block->GetEnd() );

        if( block->GetCommand() != BLOCK_ABORT )
            m_canvas->MoveCursorToCrossHair();
    }

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

        case BLOCK_ROTATE:
            GetScreen()->UpdatePickList();
            DrawAndSizingBlockOutlines( m_canvas, aDC, wxDefaultPosition, false );

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

            block->ClearItemsList();
            GetScreen()->TestDanglingEnds( m_canvas, aDC );
            m_canvas->Refresh();
            break;

        case BLOCK_DRAG:
        case BLOCK_DRAG_ITEM:   // Drag from a drag command
            GetScreen()->BreakSegmentsOnJunctions();
        // fall through

        case BLOCK_MOVE:
        case BLOCK_COPY:
            if( block->GetCommand() == BLOCK_DRAG_ITEM &&
                    GetScreen()->GetCurItem() != NULL )
            {
                // This is a drag command, not a mouse block command
                // Only this item is put in list
                ITEM_PICKER picker;
                picker.SetItem( GetScreen()->GetCurItem() );
                block->PushItem( picker );
            }
            else
            {
                // Collect all items in the locate block
                GetScreen()->UpdatePickList();
            }
        // fall through

        case BLOCK_PRESELECT_MOVE: /* Move with preselection list*/
            if( block->GetCount() )
            {
                nextcmd = true;
                GetScreen()->SelectBlockItems();
                m_canvas->CallMouseCapture( aDC, wxDefaultPosition, false );
                m_canvas->SetMouseCaptureCallback( DrawMovingBlockOutlines );
                m_canvas->CallMouseCapture( aDC, wxDefaultPosition, false );
                block->SetState( STATE_BLOCK_MOVE );
            }
            else
            {
                m_canvas->CallMouseCapture( aDC, wxDefaultPosition, false );
                m_canvas->SetMouseCapture( NULL, NULL );
            }
            break;

        case BLOCK_DELETE:
            GetScreen()->UpdatePickList();
            DrawAndSizingBlockOutlines( m_canvas, aDC, wxDefaultPosition, false );

            if( block->GetCount() )
            {
                DeleteItemsInList( m_canvas, block->GetItems() );
                OnModify();
            }
            block->ClearItemsList();
//.........这里部分代码省略.........

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.........