File _service:obs_scm:0004-fix-common-Fix-Pinyin-sea... of Package kiran-menu

File _service:obs_scm:0004-fix-common-Fix-Pinyin-search-failed-when-etc-locale..patch of Package kiran-menu

From 05b478aa0b743794d3858c2c195574a09ba4075b Mon Sep 17 00:00:00 2001
From: yangfeng <yangfeng@kylinsec.com.cn>
Date: Mon, 8 Jan 2024 15:34:48 +0800
Subject: [PATCH 4/5] fix(common):Fix Pinyin search failed when
 /etc/locale.conf is not LANG="zh_CN.UTF-8"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 修复当 /etc/locale.conf 不是 LANG="zh_CN.UTF-8" 时,拼音搜索失败

Related #21369
---
 lib/common.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/common.cpp b/lib/common.cpp
index a2f8567..bcd0890 100644
--- a/lib/common.cpp
+++ b/lib/common.cpp
@@ -53,6 +53,12 @@ convert_chars_to_wchars(const std::string &contents)
     size_t mbs_len;
     wchar_t *wcs;
 
+    // mbstowcs 依赖全局 locale && GTK+中只认 UTF-8
+    // 当 /etc/locale.conf 为 zh_CN.utf8 时，结果正常; 当为 zh_CN.GB18030 时，结果不正常
+    // 所以此处需要设置为 utf-8
+    std::string prev_loc = std::setlocale(LC_CTYPE, nullptr);
+    setlocale(LC_CTYPE, "C.utf8");
+
     mbs_len = mbstowcs(NULL, contents.c_str(), 0);
     if (mbs_len == (size_t)-1)
     {
@@ -70,6 +76,9 @@ convert_chars_to_wchars(const std::string &contents)
         free(wcs);
         return NULL;
     }
+    
+    // 还原
+    std::setlocale(LC_CTYPE, prev_loc.c_str());
 
     return wcs;
 }
-- 
2.27.0