麒麟系统开发笔记（六）：安装QtCreator开发IDE中的中文输入环境Fcitx输入法
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<h1>前言</h1>
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<p> 中文输入法，QtCreator中无法输入中文也是ubuntu中一个常规问题，在麒麟系统中也此问题，要解决此问题，主要是安装和使用Fcitx输入法。<br> 本文章最终结果是失败的，但是读者的系统未必是跟笔者的系统类似的，笔者使用的系统正好是opengl修改源依赖库修改到一半的版本。</p>
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<h1>Fcitx</h1>
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<p> 小企鹅输入法是一个支持扩展的输入法框架。目前，它支持Linux操作系统，以及如freebsd这样的Unix操作系统。Fcitx 通过使用各种各样的输入法引擎来支持全世界大量不同种类的语言。 Fcitx本身的核心实现非常简单，它通过使用插件来提供强大的功能。fcitx可以非常容易的进行定制以满足不同的个性化需求。</p>
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<h2>下载地址</h2>
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<p> github下载地址：https://github.com/fcitx/fcitx-qt5<br> 也可以使用命令行git下载：</p>
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<pre><code class="prism language-shell"><span class="token function">git clone https://github.com/fcitx/fcitx-qt5
</span></code></pre>
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<p> <img src="https://img-blog.csdnimg.cn/b20223781e6a4ca0bdc707c1498b467f.png"></p>
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<h1>Fcitx编译安装（银河麒麟V10）</h1>
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<h2>步骤一：下载安装解压</h2>
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<p> <img src="https://img-blog.csdnimg.cn/ff9a3e9bf0c94d37bde8e96bde07399c.png"></p>
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<h2>步骤二：修改CMake添加Qt5的cmake路径</h2>
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<p> 先安装可视化编辑器：</p>
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<pre><code class="prism language-shell"><span class="token function">sudo <span class="token function">apt-get <span class="token function">install gedit
</span></span></span></code></pre>
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<p> 麒麟V10自带了cmake，操作如下：</p>
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<pre><code class="prism language-shell"><span class="token builtin class-name">cd fcitx-qt5-master
gedit CMakeLists.tx
</span></code></pre>
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<p> 然后添加如下：</p>
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<pre><code class="prism language-c"><span class="token function">set<span class="token punctuation">(Qt5_DIR <span class="token operator">/home<span class="token operator">/yang<span class="token operator">/Qt5<span class="token punctuation">.<span class="token number">12.1<span class="token operator">/<span class="token number">5.12<span class="token number">.1<span class="token operator">/gcc_64<span class="token operator">/lib<span class="token operator">/cmake<span class="token operator">/Qt5<span class="token punctuation">)
<span class="token function">set<span class="token punctuation">(Qt5Core_DIR <span class="token operator">/home<span class="token operator">/yang<span class="token operator">/Qt5<span class="token punctuation">.<span class="token number">12.1<span class="token operator">/<span class="token number">5.12<span class="token number">.1<span class="token operator">/gcc_64<span class="token operator">/lib<span class="token operator">/cmake<span class="token operator">/Qt5Core<span class="token punctuation">)
<span class="token function">set<span class="token punctuation">(Qt5Gui_DIR <span class="token operator">/home<span class="token operator">/yang<span class="token operator">/Qt5<span class="token punctuation">.<span class="token number">12.1<span class="token operator">/<span class="token number">5.12<span class="token number">.1<span class="token operator">/gcc_64<span class="token operator">/lib<span class="token operator">/cmake<span class="token operator">/Qt5Gui<span class="token punctuation">)
<span class="token function">set<span class="token punctuation">(Qt5Widgets_DIR <span class="token operator">/home<span class="token operator">/yang<span class="token operator">/Qt5<span class="token punctuation">.<span class="token number">12.1<span class="token operator">/<span class="token number">5.12<span class="token number">.1<span class="token operator">/gcc_64<span class="token operator">/lib<span class="token operator">/cmake<span class="token operator">/Qt5Widgets<span class="token punctuation">)
<span class="token function">set<span class="token punctuation">(Qt5DBus_DIR <span class="token operator">/home<span class="token operator">/yang<span class="token operator">/Qt5<span class="token punctuation">.<span class="token number">12.1<span class="token operator">/<span class="token number">5.12<span class="token number">.1<span class="token operator">/gcc_64<span class="token operator">/lib<span class="token operator">/cmake<span class="token operator">/Qt5DBus<span class="token punctuation">)
</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></code></pre>
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<p> 添加后如下图：<br> <img src="https://img-blog.csdnimg.cn/21bbb8fe21024442b376bc2e287efdf7.png"></p>
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<p> 保存后退出。</p>
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<h2>步骤三：编译</h2>
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<pre><code class="prism language-shell"><span class="token function">mkdir build
<span class="token builtin class-name">cd build
cmake <span class="token punctuation">..
</span></span></span></code></pre>
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<p> <img src="https://img-blog.csdnimg.cn/6b185afa0ebe4d5d8f8fbceeacceb505.png"></p>
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<p> <img src="https://img-blog.csdnimg.cn/d992d5acb1864d26ae0f9c61de09eee5.png"></p>
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<pre><code class="prism language-shell"><span class="token function">sudo <span class="token function">apt-get <span class="token function">install extra-cmake-modules
</span></span></span></code></pre>
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<p> <img src="https://img-blog.csdnimg.cn/2d87753f1d584a4495bf0d9f6ed8c765.png"></p>
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<p> 继续编译，出现新错误：<br> <img src="https://img-blog.csdnimg.cn/5953ca66ed9f487b864e56af5c05b468.png"></p>
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<pre><code class="prism language-shell"><span class="token function">sudo <span class="token function">apt-get <span class="token function">install libxkbcommon-dev
</span></span></span></code></pre>
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<p> <img src="https://img-blog.csdnimg.cn/b7e63be1cfbd410c90c2c1093a2d51cd.png"></p>
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<p> 继续编译，出现新错误：<br> <img src="https://img-blog.csdnimg.cn/0045dc93459c46b0883f80d3ac47d6e9.png"></p>
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<p> 添加配置，编译领命如下：</p>
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<pre><code class="prism language-shell">cmake <span class="token punctuation">.. -DENABLE_LIBRARY<span class="token operator">=false
</span></span></code></pre>
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<p> <img src="https://img-blog.csdnimg.cn/22e98af432074dc9b1a6a74160ebae5e.png"></p>
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<p> 添加一个Qt5环境变量：</p>
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<pre><code class="prism language-shell">gedit CMakeLists.tx
<span class="token operator">&emsp<span class="token punctuation">;<span class="token operator">&emsp<span class="token punctuation">;
<span class="token operator">&emsp<span class="token punctuation">;<span class="token operator">&emsp<span class="token punctuation">;然后添加如下：
```c
set<span class="token punctuation">(Qt5_DIR /home/yang/Qt5.12.1/5.12.1/gcc_64/lib/cmake/Qt5<span class="token punctuation">)
set<span class="token punctuation">(Qt5Core_DIR /home/yang/Qt5.12.1/5.12.1/gcc_64/lib/cmake/Qt5Core<span class="token punctuation">)
set<span class="token punctuation">(Qt5Gui_DIR /home/yang/Qt5.12.1/5.12.1/gcc_64/lib/cmake/Qt5Gui<span class="token punctuation">)
set<span class="token punctuation">(Qt5Widgets_DIR /home/yang/Qt5.12.1/5.12.1/gcc_64/lib/cmake/Qt5Widgets<span class="token punctuation">)
set<span class="token punctuation">(Qt5DBus_DIR /home/yang/Qt5.12.1/5.12.1/gcc_64/lib/cmake/Qt5DBus<span class="token punctuation">)
</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></code></pre>
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<p> <img src="https://img-blog.csdnimg.cn/765881d41d904bd2a19a8cde36bc6925.png"></p>
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<p> 继续编译：<br> <img src="https://img-blog.csdnimg.cn/f031f1950c144add8dc8b088893a2850.png"></p>
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<p> 这里就挺尴尬了，笔者使用的麒麟版本，是厂家修改opengl相关源，但是没有修改完全的，所以以下指令都没用：<br> <img src="https://img-blog.csdnimg.cn/7e3eb8f9dfaa417584f990aa7af9cb13.png"></p>
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<p> <img src="https://img-blog.csdnimg.cn/89781217301045d899a6160572110a5b.png"></p>
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<p> <img src="https://img-blog.csdnimg.cn/2e157ea87e85402b99e974549172c0d8.png"><br> 所以，按照笔者的判断，应该笔者使用的版本是麒麟正在修改对应的opengl源文件，但是修改了一部分，没又完全修改完，所以本版本现在导致现编译安装这条路进退两难。(几个月后补充：通过客户渠道，系统厂家最终提供了opengl源，过了一段时间，主要的开发都完成了，就没有再回头尝试了）。</p>
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<h2>步骤四：尝试命令行安装</h2>
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<p> 当前版本，安装fcitx难产，但是还在麒麟留了命令行的安装，如下：</p>
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<pre><code class="prism language-shell"><span class="token function">sudo <span class="token function">apt-get <span class="token function">install im-switch libapt-pkg-perl fcitx fcitx-table-wbpy
</span></span></span></code></pre>
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<p> 然后：</p>
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<pre><code class="prism language-shell"><span class="token function">sudo im-config
</span></code></pre>
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<p> <img src="https://img-blog.csdnimg.cn/3623762b62344823b78b3e3733f4bef8.png"><br> <img src="https://img-blog.csdnimg.cn/e3f6b6ecacd8412b9d34c1da0fe9ef4f.png"><br> 再重启。<br> <img src="https://img-blog.csdnimg.cn/21b4d855245f4a62bd2d7b6e4ce0f8c3.png"><br> 测试，仍无效。</p>
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<h1>结论：本麒麟V10版本系统QtCreator中文输入失败</h1>
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<p> 不再纠结，要使用此版本系统，得依赖麒麟厂家那边提供技术支持，希望读者的麒麟版本跟笔者的不同，可以正常使用，确认其他系统确实是可以使用的。<br> 技术群交流，有遇到类似问题的开发者，尝试无法解决后，采用文本打中文copy进去，这个目前暂时也没有很好的方法解决了，因为系统是不能动的，只能在上面做开发。</p>
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来源：https://www.cnblogs.com/qq21497936/p/16657085.html
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