C++ (Cpp) InvokeKindの例

コード例 #1

ファイル: Control.cpp プロジェクト: SummerSnail2014/haiku

status_t
BControl::Invoke(BMessage* message)
{
	bool notify = false;
	uint32 kind = InvokeKind(&notify);

	if (!message && !notify)
		message = Message();

	BMessage clone(kind);

	if (!message) {
		if (!IsWatched())
			return B_BAD_VALUE;
	} else
		clone = *message;

	clone.AddInt64("when", (int64)system_time());
	clone.AddPointer("source", this);
	clone.AddInt32("be:value", fValue);
	clone.AddMessenger("be:sender", BMessenger(this));

	// ToDo: is this correct? If message == NULL (even if IsWatched()), we always return B_BAD_VALUE
	status_t err;
	if (message)
		err = BInvoker::Invoke(&clone);
	else
		err = B_BAD_VALUE;

	// TODO: asynchronous messaging
	SendNotices(kind, &clone);

	return err;
}

コード例 #2

status_t
BIconRule::Invoke(BMessage* message)
{
	bool notify = false;
	uint32 kind = InvokeKind(&notify);

	BMessage clone(kind);
	status_t err = B_BAD_VALUE;

	if (!message && !notify)
		message = Message();

	if (!message) {
		if (!IsWatched())
			return err;
	} else
		clone = *message;

	clone.AddInt64("when", (int64)system_time());
	clone.AddPointer("source", this);
	clone.AddMessenger("be:sender", BMessenger(this));
	clone.AddInt32("index", fSelIndex);

	if (message)
		err = BInvoker::Invoke(&clone);

	SendNotices(kind, &clone);

	return err;
}

コード例 #3

ファイル: TextControl.cpp プロジェクト: Ithamar/cosmoe

void
BTextControl::SetText(const char *text)
{
	if (InvokeKind() != B_CONTROL_INVOKED)
		return;

	fText->SetText(text);

	if (IsFocus())
		fText->SetInitialText();

	fText->Invalidate();
}

コード例 #4

ファイル: ListView.cpp プロジェクト: RAZVOR/haiku

status_t
BListView::Invoke(BMessage* message)
{
	// Note, this is more or less a copy of BControl::Invoke() and should
	// stay that way (ie. changes done there should be adopted here)

	bool notify = false;
	uint32 kind = InvokeKind(&notify);

	BMessage clone(kind);
	status_t err = B_BAD_VALUE;

	if (!message && !notify)
		message = Message();

	if (!message) {
		if (!IsWatched())
			return err;
	} else
		clone = *message;

	clone.AddInt64("when", (int64)system_time());
	clone.AddPointer("source", this);
	clone.AddMessenger("be:sender", BMessenger(this));

	if (fListType == B_SINGLE_SELECTION_LIST)
		clone.AddInt32("index", fFirstSelected);
	else {
		if (fFirstSelected >= 0) {
			for (int32 i = fFirstSelected; i <= fLastSelected; i++) {
				if (ItemAt(i)->IsSelected())
					clone.AddInt32("index", i);
			}
		}
	}

	if (message)
		err = BInvoker::Invoke(&clone);

	SendNotices(kind, &clone);

	return err;
}