wxWidgets String functions

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llrraa2010

最新推荐文章于 2023-03-02 19:08:22 发布

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分类专栏： codelite wxWidgets

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本文介绍了wxWidgets中用于处理字符串的宏函数wxT()和_(s)。wxT()宏用于将字符或字符串常量转换为Unicode，而_(s)宏则用于标记消息以便通过wxGetTranslation函数进行本地化。

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http://docs.wxwidgets.org/2.8/wx_stringfunctions.html#wxt

_(wxT("健康"))

_

const wxChar * _(const char *s)

This macro expands into a call to wxGetTranslation function, so it marks the message for the extraction by xgettext just as wxTRANSLATE does, but also returns the translation of the string for the current locale during execution.

Don't confuse this macro with _T()!

wxT

wxChar wxT(char ch)

const wxChar * wxT(const char *s)

wxT() is a macro which can be used with character and string literals (in other words, 'x' or "foo") to automatically convert them to Unicode in Unicode build configuration. Please see the Unicode overview for more information.

This macro is simply returns the value passed to it without changes in ASCII build. In fact, its definition is:

#ifdef UNICODE
#define wxT(x) L ## x
#else // !Unicode
#define wxT(x) x
#endif