C++ (Cpp) BListView::ScrollTo示例

int32_t
PListViewScrollToPoint(void *pobject, void *in, void *out, void *extraData)
{
	if (!pobject || !in || !out)
		return B_ERROR;

	PView *parent = static_cast<PView*>(pobject);
	if (!parent)
		return B_BAD_TYPE;
	
	BListView *backend = (BListView*)parent->GetView();


	PArgs *inArgs = static_cast<PArgs*>(in);

	BPoint pt;
	if (inArgs->FindPoint("pt", &pt) != B_OK)
		return B_ERROR;

	if (backend->Window())
		backend->Window()->Lock();


	backend->ScrollTo(pt);

	if (backend->Window())
		backend->Window()->Unlock();

	return B_OK;
}

示例#2

显示文件

文件： PListView.cpp 项目： HaikuArchives/PDesigner

int32_t
PListViewScrollTo(void *pobject, void *in, void *out, void *extraData)
{
	if (!pobject || !in || !out)
		return B_ERROR;

	PView *parent = static_cast<PView*>(pobject);
	if (!parent)
		return B_BAD_TYPE;
	
	BListView *backend = (BListView*)parent->GetView();


	PArgs *inArgs = static_cast<PArgs*>(in);

	float x;
	if (inArgs->FindFloat("x", &x) != B_OK)
		return B_ERROR;

	float y;
	if (inArgs->FindFloat("y", &y) != B_OK)
		return B_ERROR;

	if (backend->Window())
		backend->Window()->Lock();


	backend->ScrollTo(x, y);

	if (backend->Window())
		backend->Window()->Unlock();

	return B_OK;
}