Method AddInternal

source/script2.cpp:14709–14744

MsgMonitorStruct *MsgMonitorList::AddInternal(UINT aMsg, bool aAppend)
{
	if (mCount == mCountMax)
	{
		int new_count = mCountMax ? mCountMax * mCountMax : 16;
		void *new_array = realloc(mMonitor, new_count * sizeof(MsgMonitorStruct));
		if (!new_array)
			return NULL;
		mMonitor = (MsgMonitorStruct *)new_array;
		mCountMax = new_count;
	}
	MsgMonitorStruct *new_mon;
	if (!aAppend)
	{
		for (MsgMonitorInstance *inst = mTop; inst; inst = inst->previous)
		{
			inst->index++; // Correct the index of each running monitor.
			inst->count++; // Iterate the same set of items which existed before.
			// By contrast, count isn't adjusted when adding at the end because we do not
			// want new items to be called by messages received before they were registered.
		}
		// Shift existing items to make room.
		memmove(mMonitor + 1, mMonitor, mCount * sizeof(MsgMonitorStruct));
		new_mon = mMonitor;
	}
	else
		new_mon = mMonitor + mCount;

	++mCount;
	new_mon->msg = aMsg;
	new_mon->msg_type = 0; // Must be initialised to 0 for all callers except GUI.
	// These are initialised by OnMessage, since OnExit and OnClipboardChange don't use them:
	//new_mon->instance_count = 0;
	//new_mon->max_instances = 1;
	return new_mon;
}


MsgMonitorStruct *MsgMonitorList::Add(UINT aMsg, IObject *aCallback, bool aAppend)