Method AddChannel

src/windows/ChannelView.cpp:336–404

static UINT g_columnIndices[] = { 1 };

void ChannelView::AddChannel(const Channel & ch)
{
	if (!ch.HasPermissionConst(PERM_VIEW_CHANNEL))
	{
		// If not a category, return.  We'll remove invisible categories without elements after the fact.
		if (ch.m_channelType != Channel::CATEGORY)
			return;
	}

	ChannelMember cmem;
	cmem.m_hItem = NULL;
	cmem.m_childCount = 0;
	cmem.m_snowflake = ch.m_snowflake;

	const TCHAR* ptr = (const TCHAR*)ConvertCppStringToTString(ch.m_name);
	_tcsncpy(cmem.str, ptr, _countof(cmem.str));
	cmem.str[_countof(cmem.str) - 1] = 0; // Ensure that it is null terminated. tcsncpy doesn't.
	free((void*)ptr);

	int index = int(m_channels.size());
	int old_level = -1;

	if (TreeMode())
	{
		int parentIndex = -1;
		HTREEITEM hParent = TVI_ROOT;
		if (ch.m_channelType == Channel::CATEGORY) {
			parentIndex = -2;
		}
		else if (ch.m_parentCateg != 0) {
			parentIndex = m_idToIdx[ch.m_parentCateg];
			hParent = m_channels[parentIndex].m_hItem;
			m_channels[parentIndex].m_childCount++;
		}

		old_level = m_level;
		if (ch.m_channelType == Channel::CATEGORY) m_level = 1;
		if (IsChannelASubThread(ch.m_channelType)) {
			old_level = m_level;
			m_level = 3;
		}

		cmem.m_hItem = AddItemToTree(m_treeHwnd, cmem.str, hParent, index, parentIndex, GetIcon(ch, true)); // categories are expanded by default
	}
	else
	{
		LVITEM lvi{};
		lvi.mask = LVIF_COLUMNS;
		lvi.stateMask = LVIS_OVERLAYMASK;
		lvi.iItem = index;
		lvi.iSubItem = 0;
		lvi.cColumns = _countof(g_columnIndices);
		lvi.puColumns = g_columnIndices;
		ListView_InsertItem(m_listHwnd, &lvi);
	}

	m_channels.push_back(cmem);
	m_idToIdx[cmem.m_snowflake] = index;