touchGFX综合学习九、touchGFX TextArea文本控件使用多国语言

一、字体配置

1、添加文本和多国语言

生成两个文本，点击加号添加两种语言ZH和EN

2、字体配置

二、touchGFX工程搭建

点击按钮改变文本

三、touchGFX源码修改

Screen1View.hpp

#ifndef SCREEN1VIEW_HPP
#define SCREEN1VIEW_HPP

#include <gui_generated/screen1_screen/Screen1ViewBase.hpp>
#include <gui/screen1_screen/Screen1Presenter.hpp>

class Screen1View : public Screen1ViewBase
{
public:
    Screen1View();
    virtual ~Screen1View() {}
    virtual void setupScreen();
    virtual void tearDownScreen();
    virtual void btn_click_handler();
protected:
};

#endif // SCREEN1VIEW_HPP

Screen1View.cpp

#include <gui/screen1_screen/Screen1View.hpp>
#include <touchgfx/Texts.hpp>
#include <texts/TextKeysAndLanguages.hpp>
#include <texts/TypedTextDatabase.hpp>

Screen1View::Screen1View()
{

}

void Screen1View::setupScreen()
{
    Screen1ViewBase::setupScreen();
    Texts::setLanguage(ZH);
  
}

void Screen1View::tearDownScreen()
{
    Screen1ViewBase::tearDownScreen();
}
void Screen1View::btn_click_handler()
{
    if (Texts::getLanguage() == ZH)
        Texts::setLanguage(EN);
    else
        Texts::setLanguage(ZH);

    this->textArea1.resizeToCurrentText();
    getRootContainer().invalidate();//更新所有控件
}

注意，必须调用下面两个函数更新全部控件字符

this->textArea1.resizeToCurrentText();
    getRootContainer().invalidate();//更新所有控件

四、效果预览