C++ (Cpp) KivioPage::unselectStencil示例

示例#1

bool SelectTool::startCustomDragging(const QPoint &pos, bool selectedOnly )
{
  KivioCanvas* canvas = view()->canvasWidget();
  KivioPage *pPage = canvas->activePage();
  KivioStencil *pStencil;
  int colType;

  KoPoint pagePoint = canvas->mapFromScreen( pos );
  
  // Figure out how big 4 pixels is in terms of points
  double threshold =  view()->zoomHandler()->unzoomItY(4);

  pStencil = pPage->checkForStencil( &pagePoint, &colType, threshold, selectedOnly );

  if( !pStencil || colType < kctCustom ) {
    return false;
  }


  if(pStencil->isSelected()) {
    // If we are clicking an already selected stencil, and the control
    // key down, then unselect this stencil
    if(m_controlKey) {
      pPage->unselectStencil(pStencil);
    }
  } else {
    // Clicking a new stencil, and the control key is not down
    if(!m_controlKey) {
      pPage->unselectAllStencils();
    }

    pPage->selectStencil( pStencil );
  }

  m_pCustomDraggingStencil = pStencil;

  // Set the mode
  m_mode = stmCustomDragging;

  m_customDragID = colType;
  m_customDragOrigPoint = pStencil->customIDPoint(m_customDragID);

  view()->canvasWidget()->setShowConnectorTargets(true);
  view()->canvasWidget()->repaint();

  // Create a new painter object
  canvas->beginUnclippedSpawnerPainter();
  m_firstTime = true;

  return true;
}

示例#2

/**
 * Tests if we can start dragging a stencil.
 */
bool SelectTool::startDragging(const QPoint &pos, bool onlySelected)
{
  KivioCanvas* canvas = view()->canvasWidget();
  KivioPage *pPage = canvas->activePage();
  KivioStencil *pStencil;
  int colType;

  // Figure out how big 4 pixels is in terms of points
  double threshold =  view()->zoomHandler()->unzoomItY(4);

  KoPoint pagePoint = canvas->mapFromScreen( pos );

  pStencil = pPage->checkForStencil( &pagePoint, &colType, threshold, onlySelected );

  if( !pStencil )
    return false;

  canvas->setEnabled(false);

  if( pStencil->isSelected() )
  {
    // If we are clicking an already selected stencil, and the control
    // key down, then unselect this stencil
    if( m_controlKey==true ) {
      pPage->unselectStencil( pStencil );
    }

    // Otherwise, it means we are just moving
  }
  else
  {
    // Clicking a new stencil, and the control key is not down
    if( !m_controlKey )
      pPage->unselectAllStencils();

    pPage->selectStencil( pStencil );
    // Update the auto guidelines
    view()->canvasWidget()->updateAutoGuideLines();
  }

  // Create a new painter object
  canvas->beginUnclippedSpawnerPainter();

  // Build the list of old geometry
  KivioSelectDragData *pData;
  m_lstOldGeometry.clear();
  pStencil = canvas->activePage()->selectedStencils()->first();

  while( pStencil )
  {
    pData = new KivioSelectDragData;
    pData->rect = pStencil->rect();
    m_lstOldGeometry.append(pData);

    pStencil = canvas->activePage()->selectedStencils()->next();
  }

  m_selectedRect = view()->activePage()->getRectForAllSelectedStencils();
  changeMouseCursor(pos);
  // Set the mode
  m_mode = stmDragging;
  m_firstTime = true;
  canvas->setEnabled(true);
  return true;
}