# 修复Ubuntu系统下IDEA中文输入法不跟随光标问题
# 下载编译JetBrainsRuntime
注意，单纯使用这种方式编译的JDK缺少JCEF，会导致某些插件无法使用（比如leetcode插件）
git clone https://gitee.com/mirrors_JetBrains/JetBrainsRuntime.git
git clone https://github.com/prehonor/myJetBrainsRuntime.git
cp myJetBrainsRuntime/idea.patch JetBrainsRuntime/
cd JetBrainsRuntime
# git checkout cfc3e87f2ac27a0b8c78c729c113aa52535feff6
git apply idea.patch
sudo apt-get install autoconf make build-essential libx11-dev libxext-dev libxrender-dev libxtst-dev libxt-dev libxrandr-dev libcups2-dev libfontconfig1-dev libasound2-dev openjdk-11-jdk
sh ./configure --disable-warnings-as-errors
make images
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如果使用上面的JDK启动IDEA，出现下面报错，说明有插件使用了JCEF，则编译时需要带入jcef
带JCEF的版本
export JDK_11=/usr/lib/jvm/java-11-openjdk-amd64
export ANT_HOME=PATH_TO_APACHE_ANT/apache-ant-1.9.16
git clone https://gitee.com/mirrors_JetBrains/JetBrainsRuntime.git
git clone https://github.com/prehonor/myJetBrainsRuntime.git
git clone https://github.com/JetBrains/jcef.git
cd jcef
mkdir -p jcef_build && cd jcef_build
cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release ..
make -j4
cd ../jb/tools/linux && chmod +x *
./build.sh all
cd ../../../../JetBrainsRuntime/
cp ../myJetBrainsRuntime/idea.patch ./
git apply idea.patch
mkdir -p jcef_linux_x64
tar xzf ../jcef/jcef_linux_x64.tar.gz -C jcef_linux_x64
export MODULAR_SDK_PATH=jcef_linux_x64/modular-sdk
sudo apt-get install autoconf make build-essential libx11-dev libxext-dev libxrender-dev libxtst-dev libxt-dev libxrandr-dev libcups2-dev libfontconfig1-dev libasound2-dev openjdk-11-jdk
make clean
sh ./configure --disable-warnings-as-errors --with-import-modules=jcef_linux_x64/modular-sdk
jb/project/tools/linux/scripts/mkimages_x64.sh 11 0 13b1751 jcef
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最终构建产物为JetBrainsRuntime文件夹下的jbr_jcef-11-linux-x64-b13b1751.tar.gz
# 修改IDEA启动参数，使用自己编译的运行时
# 方法1 IDEA内修改JDK
IDEA内双击shift按键，输入Choose Boot 后，出现下面提示，根据提示选择刚才编译后的JDK
# 方法2 修改文件参数
修改文件: home/idea-2020.1/bin/idea.sh (找到你自己的idea的安装路径)
在文件开头添加环境变量，指向你自己的编译的JDK所在目录
export IDEA_JDK=PATH_TO_HOME/JetBrainsRuntime/build/linux-x86_64-normal-server-release/jdk
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