Method calculateTextOffset

src/OpenLoco/src/Ui/TextInput.cpp:118–141

* 0x004CEB67 * * @param containerWidth @ */

     * @param containerWidth @<edx>
     */
    void InputSession::calculateTextOffset(int16_t containerWidth)
    {
        std::string cursorStr = buffer.substr(0, cursorPosition);

        const auto font = Gfx::Font::medium_bold;
        const auto stringWidth = Gfx::TextRenderer::getStringWidth(font, buffer.c_str());
        const auto cursorX = Gfx::TextRenderer::getStringWidth(font, cursorStr.c_str());

        const auto midX = containerWidth / 2;

        // Prefer to centre cursor
        xOffset = -1 * (cursorX - midX);

        // Make sure that text will always be at the left edge
        int16_t minOffset = textboxPadding;
        int16_t maxOffset = textboxPadding;

        if (stringWidth + textboxPadding * 2 > containerWidth)
        {
            // Make sure that the whole textbox is filled up
            minOffset = -stringWidth + containerWidth - textboxPadding;
        }
        xOffset = std::clamp<int16_t>(xOffset, minOffset, maxOffset);
    }

    void InputSession::clearInput()
    {