static BLayoutItem*
layout_item_for(BView* view)
{
BLayout* layout = view->Parent()->GetLayout();
int32 index = layout->IndexOfView(view);
return layout->ItemAt(index);
}
/*static*/ void
BLayoutUtils::_GetLayoutTreeDump(BLayoutItem* item, int level,
bool isViewLayout, BString& _output)
{
if (BViewLayoutItem* viewItem = dynamic_cast<BViewLayoutItem*>(item)) {
_GetLayoutTreeDump(viewItem->View(), level, _output);
return;
}
BString indent;
indent.SetTo(' ', level * 2);
if (item == NULL) {
_output << indent << "<null item>\n";
return;
}
BLayout* layout = dynamic_cast<BLayout*>(item);
BRect frame = item->Frame();
BSize min = item->MinSize();
BSize max = item->MinSize();
BSize preferred = item->PreferredSize();
if (isViewLayout) {
_output << indent << BString().SetToFormat(" [layout %p (%s)]\n",
layout, typeid(*layout).name());
} else {
_output << indent << BString().SetToFormat("item %p (%s):\n",
item, typeid(*item).name());
}
_output << BString().SetToFormat(
"%s frame: (%f, %f, %f, %f)\n"
"%s min: (%f, %f)\n"
"%s max: (%f, %f)\n"
"%s pref: (%f, %f)\n",
indent.String(), frame.left, frame.top, frame.right, frame.bottom,
indent.String(), min.width, min.height,
indent.String(), max.width, max.height,
indent.String(), preferred.width, preferred.height);
if (layout == NULL)
return;
int32 count = layout->CountItems();
for (int32 i = 0; i < count; i++) {
_output << indent << " ---\n";
_GetLayoutTreeDump(layout->ItemAt(i), level + 1, false, _output);
}
}