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C++ KstVectorPtr::getUsage方法代码示例

本文整理汇总了C++中KstVectorPtr::getUsage方法的典型用法代码示例。如果您正苦于以下问题:C++ KstVectorPtr::getUsage方法的具体用法?C++ KstVectorPtr::getUsage怎么用?C++ KstVectorPtr::getUsage使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在KstVectorPtr的用法示例。


在下文中一共展示了KstVectorPtr::getUsage方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: update

void KstObjectItem::update(bool recursive, int localUseCount) {
  switch (_rtti) {
    case RTTI_OBJ_DATA_VECTOR:
    {
      KST::vectorList.lock().readLock();
      KstRVectorPtr x = kst_cast<KstRVector>(*KST::vectorList.findTag(_tag));
      KST::vectorList.lock().unlock();
      if (x) {
        x->readLock();
        // getUsage: subtract 1 for KstRVectorPtr x
        bool inUse = (x->getUsage() - 1 - localUseCount) > 0;
        if (inUse != _inUse) {
          _inUse = inUse;
          setPixmap(2, inUse ? _dm->yesPixmap() : QPixmap());
        }
        QString field;
        if (inUse) {
          field = QString::number(x->length());
        } else {
          field = "-";
        }
        if (text(3) != field) {
          setText(3, field);
        }
        field = i18n("%3: %4 [%1..%2]").arg(x->reqStartFrame())
            .arg(x->reqStartFrame() + x->reqNumFrames())
            .arg(x->filename())
            .arg(x->field());
        if (text(4) != field) {
          setText(4, field);
        }
        _removable = x->getUsage() == 2;
        x->unlock();
      }
      // Hmmm what happens if this if() fails??  We become inconsistent?
      break;
    }
    case RTTI_OBJ_STATIC_VECTOR:
    {
      KST::vectorList.lock().readLock();
      KstSVectorPtr x = kst_cast<KstSVector>(*KST::vectorList.findTag(_tag));
      KST::vectorList.lock().unlock();
      if (x) {
        x->readLock();
        // getUsage: subtract 1 for KstRVectorPtr x
        bool inUse = (x->getUsage() - 1 - localUseCount) > 0;
        if (inUse != _inUse) {
          _inUse = inUse;
          setPixmap(2, inUse ? _dm->yesPixmap() : QPixmap());
        }
        QString field;
        if (inUse) {
          field = QString::number(x->length());
        } else {
          field = "-";
        }
        if (text(3) != field) {
          setText(3, field);
        }
        field = i18n("%1 to %2").arg(x->min()).arg(x->max());
        if (text(4) != field) {
          setText(4, field);
        }
        _removable = x->getUsage() == 2;
        x->unlock();
      }
      // Hmmm what happens if this if() fails??  We become inconsistent?
      break;
    }
    case RTTI_OBJ_VECTOR:
    {
      KST::vectorList.lock().readLock();
      KstVectorPtr x = *KST::vectorList.findTag(_tag);
      KST::vectorList.lock().unlock();
      if (x) {
        x->readLock();
        // getUsage:
        //  subtract 1 for KstVectorPtr x
        bool inUse = (x->getUsage() - 1 - localUseCount) > 0;
        if (inUse != _inUse) {
          _inUse = inUse;
          setPixmap(2, inUse ? _dm->yesPixmap() : QPixmap());
        }
        QString field = QString::number(x->length());
        if (text(3) != field) {
          setText(3, field);
        }
        field = i18n("[%1..%2]").arg(x->min()).arg(x->max());
        if (text(4) != field) {
          setText(4, field);
        }
        x->unlock();
        _removable = false;
      }
      break;
    }
    case RTTI_OBJ_OBJECT:
    {
      KST::dataObjectList.lock().readLock();
      KstDataObjectPtr x = *KST::dataObjectList.findTag(_tag.tag());
//.........这里部分代码省略.........
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