rubymine在ubuntu的gnome下右击鼠标快速消失的问题

问题困扰太久了，终于找到solution.


现象： 
     rubymine安装在ubuntu的gnome下；
     当对源代码右击 [settings]=>[keymap]，并选择[Eclipse]作为默认后；
     回到源代码处，右击鼠标，弹出菜单出现并立即消失。


解决方法： 
     1. [settings] => [keymap], 并[copy] "Eclipse" keymaps, 假设为"New-Eclipse";
     2. 编辑[New-Eclipse], 查找 "Show Context Menu", 在[other]有;
     3. 删除掉其中一个[shortcuts] ---- "Button3 Click"
     4. done.


官方有issue的解决方案： 
     issue:

IDEA-66182 Context menu doesn't persist after right click on Linux when using Eclipse keymap

     solution:

Open Settings | Keymap, press Copy button to create an editable copy of the Eclipse keymap, in the copy find "Show Context Menu" action in the Other group, it has multiple shortcuts defined, delete "Button3 Click" from the list of shortcuts, press Apply. Context menu will no longer disappear after right click.

      http://youtrack.jetbrains.net/issue/IDEA-66182