Mate 中带有 Shift 的键盘快捷键

Question

我用 Mate 安装了 Fedora 21。当我尝试绑定热键Ctrl+ Alt+ Shift+ Up（用于将窗口移动到某个桌面）时，它告诉我我已经在使用Ctrl+ Alt+Up进行切换。我不明白为什么它忽略了Shift密钥。

我还注意到 JetBrains IDE 中的一些奇怪行为（但 Debian 发行版上的相同默认配置工作正常）。例如Alt+ Shift+Up不会向上/向下移动该行。我将不胜感激任何建议。

xev输出：

KeyPress event, serial 35, synthetic NO, window 0x4200001,
    root 0x2eb, subw 0x0, time 62367072, (462,151), root:(462,271),
    state 0x10, keycode 37 (keysym 0xffe3, Control_L), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyPress event, serial 38, synthetic NO, window 0x4200001,
    root 0x2eb, subw 0x0, time 62367366, (462,151), root:(462,271),
    state 0x14, keycode 64 (keysym 0xffe9, Alt_L), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyPress event, serial 38, synthetic NO, window 0x4200001,
    root 0x2eb, subw 0x0, time 62367619, (462,151), root:(462,271),
    state 0x1c, keycode 50 (keysym 0xfe08, ISO_Next_Group), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

PropertyNotify event, serial 38, synthetic NO, window 0x4200001,
    atom 0x1ae (XKLAVIER_STATE), time 62367622, state PropertyNewValue

PropertyNotify event, serial 38, synthetic NO, window 0x4200001,
    atom 0x1ae (XKLAVIER_STATE), time 62367623, state PropertyNewValue

PropertyNotify event, serial 38, synthetic NO, window 0x4200001,
    atom 0x1ae (XKLAVIER_STATE), time 62367624, state PropertyNewValue

PropertyNotify event, serial 38, synthetic NO, window 0x4200001,
    atom 0x1ae (XKLAVIER_STATE), time 62367624, state PropertyNewValue

KeyPress event, serial 38, synthetic NO, window 0x4200001,
    root 0x2eb, subw 0x0, time 62367900, (462,151), root:(462,271),
    state 0x201c, keycode 111 (keysym 0xff52, Up), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False