你可以在终端机上做。通过在命令行中发出以下命令来创建应用程序:

defaults write com.apple.Terminal FocusFollowsMouse -bool true

对于X11应用，你可以这样做:

defaults write com.apple.x11 wm_ffm -bool true

在Snow Leopard中，使用这个:

defaults write org.x.X11 wm_ffm -bool true

显然，有一个名为CodeTek虚拟桌面的程序可以在系统范围内模拟它，但它需要花费$$(他们从未为OSX Leopard推出过版本)。

给DwellClick一个尝试。虽然这不是它的预期目的，但自动单击行为有一个类似于自动提高或焦点跟随鼠标的副作用。

就我个人而言，我只在光标移动停止后使用左键点击的功能，但也有修改器点击和窗口拖动辅助功能，这非常方便。

在浏览网页时，这也有点令人沮丧，因为你要么想要禁用应用程序，要么更注意光标停留在哪里(例如，不要停留在任何你不想激活的链接或按钮上)。

Steve Yegge不久前写了一篇关于这个问题的文章，他试图写一个合适的扩展，但失败了。从那以后，我试图为OS X找到聚焦跟随鼠标的应用程序，也失败了。

Amethyst支持此特性。它可以很容易地安装与酿造安装紫水晶。

下面是我使用的配置文件。它关闭了所有的功能，除了焦点跟随鼠标。保存到~/.amethyst。

{
    "LAYOUTS": "----------------------",
    "layouts": [
    ],

    "MODIFIERS": "----------------------",
    "Valid modifiers are": [
        "option",
        "shift",
        "control",
        "command"
    ],

    "mod1": [
    ],
    "mod2": [
    ],

    "COMMANDS": "----------------------",
    "Commands are": {
        "cycle-layout": "Cycle layout to the next layout",
        "cycle-layout-backward": "Cycle layout to the previous layout",
        "focus-screen-1": "Focus the main window on the first screen",
        "focus-screen-2": "Focus the main window on the second screen",
        "focus-screen-3": "Focus the main window on the third screen",
        "focus-screen-2": "Focus the main window on the second screen",
        "focus-screen-3": "Focus the main window on the third screen",
        "focus-screen-4": "Focus the main window on the fourth screen",
        "throw-screen-1": "Throw the focused window to the first screen",
        "throw-screen-2": "Throw the focused window to the second screen",
        "throw-screen-3": "Throw the focused window to the third screen",
        "throw-screen-4": "Throw the focused window to the fourth screen",
        "shrink-main": "Shrink the main pane of the current layout",
        "expand-main": "Expand the main pane of the current layout",
        "increase-main": "Increase the number of windows in the main pane",
        "decrease-main": "Decrease the number of windows in the main pane",
        "focus-ccw": "Move window focus counter-clockwise on the current screen",
        "focus-cw": "Move window focus clockwise on the current screen",
        "swap-ccw": "Swap focused window with the next window going counter-clockwi$
        "swap-cw": "Swap focused window with the next window going clockwise",
        "swap-main": "Swap focused window with the main window of its screen",
        "throw-space-1": "Throw the focused window to the first space",
        "throw-space-2": "Throw the focused window to the second space",
        "throw-space-3": "Throw the focused window to the third space",
        "throw-space-4": "Throw the focused window to the fourth space",
        "throw-space-5": "Throw the focused window to the fifth space",
        "throw-space-6": "Throw the focused window to the sixth space",
        "throw-space-7": "Throw the focused window to the seventh space",
        "throw-space-8": "Throw the focused window to the eighth space",
        "throw-space-9": "Throw the focused window to the ninth space",
        "throw-space-8": "Throw the focused window to the eighth space",
        "throw-space-9": "Throw the focused window to the ninth space",
        "toggle-float": "Toggle the focused window between being floating and tiled"
    },

    "screens": "3",

    "cycle-layout": {
        "mod": "mod1",
    },
    "cycle-layout-backward": {
        "mod": "mod2",
    },
    "select-tall-layout": {
        "mod": "mod1"
    },
    "select-wide-layout": {
        "mod": "mod1"
    },
    "select-fullscreen-layout": {
        "mod": "mod1"
    },
    "select-column-layout": {
        "mod": "mod1"
    },
        "mod": "mod1"
    },
    "focus-screen-1": {
        "mod": "mod1"
    },
    "focus-screen-2": {
        "mod": "mod1"
    },
    "focus-screen-3": {
        "mod": "mod1"
    },
    "focus-screen-4": {
        "mod": "mod1"
    },
    "throw-screen-1": {
        "mod": "mod2"
    },
    "throw-screen-2": {
        "mod": "mod2"
    },
    "throw-screen-3": {
        "mod": "mod2"
    },
    "throw-screen-4": {
        "mod": "mod2"
    "throw-screen-4": {
        "mod": "mod2"
    },
    "shrink-main": {
        "mod": "mod1"
    },
    "expand-main": {
        "mod": "mod1"
    },
    "increase-main": {
        "mod": "mod1"
    },
    "decrease-main": {
        "mod": "mod1"
    },
    "focus-ccw": {
        "mod": "mod1"
    },
    "focus-cw": {
        "mod": "mod1"
    },
    "swap-screen-ccw": {
        "mod": "mod2"
    },
    "swap-screen-cw": {
    },
    "swap-screen-cw": {
        "mod": "mod2"
    },
    "swap-ccw": {
        "mod": "mod2"
    },
    "swap-cw": {
        "mod": "mod2"
    },
    "swap-main": {
        "mod": "mod1"
    },
    "throw-space-1": {
        "mod": "mod2"
    },
    "throw-space-2": {
        "mod": "mod2"
    },
    "throw-space-3": {
        "mod": "mod2"
    },
    "throw-space-4": {
        "mod": "mod2"
    },

        "mod": "mod2"
    },
    "throw-space-5": {
        "mod": "mod2"
    },
    "throw-space-6": {
        "mod": "mod2"
    },
    "throw-space-7": {
        "mod": "mod2"
    },
    "throw-space-8": {
        "mod": "mod2"
    },
    "throw-space-9": {
        "mod": "mod2"
    },
    "toggle-float": {
        "mod": "mod1"
    },
    "toggle-tiling": {
        "mod": "mod2"
    },
    "display-current-layout": {
        "mod": "mod1"
    "display-current-layout": {
        "mod": "mod1"
    },

    "MISC": "----------------------",
    "floating": [],
    "float-small-windows": false,
    "mouse-follows-focus": false,
    "focus-follows-mouse": true,
    "enables-layout-hud": false,
    "enables-layout-hud-on-space-change": false
}

你不可能真的做得很好，因为Mac界面的设计根本没有考虑到焦点跟随鼠标(有或没有自动上升)。我怀疑这种情况在短时间内不会改变，除非它改变，否则每个试图实现焦点跟随鼠标的人都会遇到同样的障碍，并以不满意的结果结束(对于那些想要这样做的人来说)。

所以，是的，你想要这个是疯狂的——但出于技术原因。习惯按自己的方式使用Mac，我相信当你找到新的高效的工作方式时，你强迫它像你过去使用的任何X11东西那样工作的愿望会逐渐消退。

解决方案:因为我太习惯在Windows上自动升起，所以我非常怀念Mac上的自动升起。 我为Mac找到的解决方案是zoom(是的，三个o)。它有自动提升功能。您甚至可以设置自动触发前等待的毫秒数。没有它我活不下去。Autoraise是prefs中的一个选项，你可以在截图https://www.macupdate.com/app/mac/23203/zooom中看到 http://coderage-software.com/zooom/index.html