C++ Theme::getEmptyStyle方法代码示例

static int lua_Theme_getEmptyStyle(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Theme* instance = getInstance(state);
                void* returnPtr = ((void*)instance->getEmptyStyle());
                if (returnPtr)
                {
                    gameplay::ScriptUtil::LuaObject* object = (gameplay::ScriptUtil::LuaObject*)lua_newuserdata(state, sizeof(gameplay::ScriptUtil::LuaObject));
                    object->instance = returnPtr;
                    object->owns = false;
                    luaL_getmetatable(state, "ThemeStyle");
                    lua_setmetatable(state, -2);
                }
                else
                {
                    lua_pushnil(state);
                }

                return 1;
            }

            lua_pushstring(state, "lua_Theme_getEmptyStyle - Failed to match the given parameters to a valid function signature.");
            lua_error(state);
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

Form* Form::create(const char* url)
{
    // Load Form from .form file.
    Properties* properties = Properties::create(url);
    if (properties == NULL)
    {
        GP_ASSERT(properties);
        return NULL;
    }

    // Check if the Properties is valid and has a valid namespace.
    Properties* formProperties = (strlen(properties->getNamespace()) > 0) ? properties : properties->getNextNamespace();
    assert(formProperties);
    if (!formProperties || !(strcmp(formProperties->getNamespace(), "form") == 0))
    {
        GP_ASSERT(formProperties);
        SAFE_DELETE(properties);
        return NULL;
    }

    // Create new form with given ID, theme and layout.
    const char* themeFile = formProperties->getString("theme");
    const char* layoutString = formProperties->getString("layout");
        
    Layout* layout;
    switch (getLayoutType(layoutString))
    {
    case Layout::LAYOUT_ABSOLUTE:
        layout = AbsoluteLayout::create();
        break;
    case Layout::LAYOUT_FLOW:
        layout = FlowLayout::create();
        break;
    case Layout::LAYOUT_VERTICAL:
        layout = VerticalLayout::create();
        break;
    default:
        GP_ERROR("Unsupported layout type '%d'.", getLayoutType(layoutString));
        break;
    }

    Theme* theme = Theme::create(themeFile);
    GP_ASSERT(theme);

    Form* form = new Form();
    form->_layout = layout;
    form->_theme = theme;

    // Get default projection matrix.
    Game* game = Game::getInstance();
    Matrix::createOrthographicOffCenter(0, game->getWidth(), game->getHeight(), 0, 0, 1, &form->_defaultProjectionMatrix);

    Theme::Style* style = NULL;
    const char* styleName = formProperties->getString("style");
    if (styleName)
    {
        style = theme->getStyle(styleName);
    }
    else
    {
        style = theme->getEmptyStyle();
    }
    form->initialize(style, formProperties);

    form->_consumeInputEvents = formProperties->getBool("consumeInputEvents", false);

    // Alignment
    if ((form->_alignment & Control::ALIGN_BOTTOM) == Control::ALIGN_BOTTOM)
    {
        form->_bounds.y = Game::getInstance()->getHeight() - form->_bounds.height;
    }
    else if ((form->_alignment & Control::ALIGN_VCENTER) == Control::ALIGN_VCENTER)
    {
        form->_bounds.y = Game::getInstance()->getHeight() * 0.5f - form->_bounds.height * 0.5f;
    }

    if ((form->_alignment & Control::ALIGN_RIGHT) == Control::ALIGN_RIGHT)
    {
        form->_bounds.x = Game::getInstance()->getWidth() - form->_bounds.width;
    }
    else if ((form->_alignment & Control::ALIGN_HCENTER) == Control::ALIGN_HCENTER)
    {
        form->_bounds.x = Game::getInstance()->getWidth() * 0.5f - form->_bounds.width * 0.5f;
    }

    form->_scroll = getScroll(formProperties->getString("scroll"));
    form->_scrollBarsAutoHide = formProperties->getBool("scrollBarsAutoHide");
    if (form->_scrollBarsAutoHide)
    {
        form->_scrollBarOpacity = 0.0f;
    }

    // Add all the controls to the form.
    form->addControls(theme, formProperties);

    SAFE_DELETE(properties);
    
    form->updateBounds();

    __forms.push_back(form);
//.........这里部分代码省略.........