本文整理汇总了C++中WeakReference::toBehind方法的典型用法代码示例。如果您正苦于以下问题：C++ WeakReference::toBehind方法的具体用法？C++ WeakReference::toBehind怎么用？C++ WeakReference::toBehind使用的例子？那么恭喜您, 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类WeakReference的用法示例。
在下文中一共展示了WeakReference::toBehind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: updateShadows
void DropShadower::updateShadows()
{
if (reentrant)
return;
const ScopedValueSetter<bool> setter (reentrant, true, false);
if (owner == nullptr)
{
shadowWindows.clear();
return;
}
if (owner->isShowing()
&& owner->getWidth() > 0 && owner->getHeight() > 0
&& (Desktop::canUseSemiTransparentWindows() || owner->getParentComponent() != nullptr))
{
while (shadowWindows.size() < 4)
shadowWindows.add (new ShadowWindow (owner, shadow));
const int shadowEdge = jmax (shadow.offset.x, shadow.offset.y) + shadow.radius;
const int x = owner->getX();
const int y = owner->getY() - shadowEdge;
const int w = owner->getWidth();
const int h = owner->getHeight() + shadowEdge + shadowEdge;
for (int i = 4; --i >= 0;)
{
// there seem to be rare situations where the dropshadower may be deleted by
// callbacks during this loop, so use a weak ref to watch out for this..
WeakReference<Component> sw (shadowWindows[i]);
if (sw != nullptr)
{
sw->setAlwaysOnTop (owner->isAlwaysOnTop());
if (sw == nullptr)
return;
switch (i)
{
case 0: sw->setBounds (x - shadowEdge, y, shadowEdge, h); break;
case 1: sw->setBounds (x + w, y, shadowEdge, h); break;
case 2: sw->setBounds (x, y, w, shadowEdge); break;
case 3: sw->setBounds (x, owner->getBottom(), w, shadowEdge); break;
default: break;
}
if (sw == nullptr)
return;
sw->toBehind (i == 3 ? owner : shadowWindows.getUnchecked (i + 1));
}
}
}
else
{
shadowWindows.clear();
}
}