Method getWidgetAtPointLevel

dw/textblock.cc:2890–2949

}

core::Widget *Textblock::getWidgetAtPointLevel (int x, int y, int level,
                                               core::GettingWidgetAtPointContext
                                                *context)
{
   DBG_OBJ_ENTER ("events", 0, "Textblock::getWidgetAtPointLevel", "%d, %d, %s",
                  x, y, stackingLevelText (level));

   Widget *widgetAtPoint = NULL;

   switch (level) {
   case SL_IN_FLOW:
      {
         int lineIndex = findLineIndexWhenAllocated (y - allocation.y);
      
         if (lineIndex >= 0 && lineIndex < lines->size ()) {
            Line *line = lines->getRef (lineIndex);

            for (int wordIndex = line->lastWord;
                 widgetAtPoint == NULL && wordIndex >= line->firstWord;
                 wordIndex--) {
               Word *word =  words->getRef (wordIndex);
               if (word->content.type == core::Content::WIDGET_IN_FLOW &&
                   !core::StackingContextMgr::handledByStackingContextMgr
                      (word->content.widget))
                   widgetAtPoint =
                      word->content.widget->getWidgetAtPoint (x, y, context);
            }
         }
      }
      break;

   case SL_OOF_REF:
      // TODO Inefficient. Perhaps store OOF references in seperate
      // (much smaller!) list.
      for (int oofmIndex = NUM_OOFM; widgetAtPoint == NULL && oofmIndex >= 0;
           oofmIndex--) {
         for (int wordIndex = words->size () - 1;
              widgetAtPoint == NULL && wordIndex >= 0; wordIndex--) {
            Word *word = words->getRef (wordIndex);
            if (word->content.type == core::Content::WIDGET_OOF_REF &&
                getOOFMIndex (word->content.widgetReference->widget)
                == oofmIndex &&
                doesWidgetOOFInterruptDrawing (word->content.widgetReference
                                               ->widget))
               widgetAtPoint = 
                  word->content.widgetReference->widget
                  ->getWidgetAtPointInterrupted (x, y, context);
         }
      }
      break;

   default:
      widgetAtPoint =
         OOFAwareWidget::getWidgetAtPointLevel (x, y, level, context);
      break;
   }

   DBG_OBJ_LEAVE_VAL ("%p", widgetAtPoint);