Method DoEditBoxDropdown

src/game/editor/editor_server_settings.cpp:401–459

template<typename T>
int CEditor::DoEditBoxDropdown(SEditBoxDropdownContext *pDropdown, CLineInput *pLineInput, const CUIRect *pEditBoxRect, int x, float MaxHeight, bool AutoWidth, const std::vector<T> &vData, const FDropdownRenderCallback<T> &pfnMatchCallback)
{
	// Do an edit box with a possible dropdown
	// This is a generic method which can display any data we want

	pDropdown->m_Selected = std::clamp(pDropdown->m_Selected, -1, (int)vData.size() - 1);

	if(Input()->KeyPress(KEY_SPACE) && Input()->ModifierIsPressed())
	{ // Handle Ctrl+Space to show available options
		pDropdown->m_ShortcutUsed = true;
		// Remove inserted space
		pLineInput->SetRange("", pLineInput->GetCursorOffset() - 1, pLineInput->GetCursorOffset());
	}

	if((!pDropdown->m_ShouldHide && !pLineInput->IsEmpty() && (pLineInput->IsActive() || pDropdown->m_MousePressedInside)) || pDropdown->m_ShortcutUsed)
	{
		if(!pDropdown->m_Visible)
		{
			pDropdown->m_DidBecomeVisible = true;
			pDropdown->m_Visible = true;
		}
		else if(pDropdown->m_DidBecomeVisible)
			pDropdown->m_DidBecomeVisible = false;

		if(!pLineInput->IsEmpty() || !pLineInput->IsActive())
			pDropdown->m_ShortcutUsed = false;

		int CurrentSelected = pDropdown->m_Selected;

		// Use tab to navigate through entries
		if(Ui()->ConsumeHotkey(CUi::HOTKEY_TAB) && !vData.empty())
		{
			int Direction = Input()->ShiftIsPressed() ? -1 : 1;

			pDropdown->m_Selected += Direction;
			if(pDropdown->m_Selected < 0)
				pDropdown->m_Selected = (int)vData.size() - 1;
			pDropdown->m_Selected %= vData.size();
		}

		int Selected = RenderEditBoxDropdown<T>(pDropdown, *pEditBoxRect, pLineInput, x, MaxHeight, AutoWidth, vData, pfnMatchCallback);
		if(Selected != -1)
			pDropdown->m_Selected = Selected;

		if(CurrentSelected != pDropdown->m_Selected)
			pDropdown->m_ListBox.ScrollToSelected();

		return pDropdown->m_Selected;
	}
	else
	{
		pDropdown->m_ShortcutUsed = false;
		pDropdown->m_Visible = false;
		pDropdown->m_ListBox.SetActive(false);
		pDropdown->m_Selected = -1;
	}

	return -1;