A simple deamon that restores your window positions on external monitors.

Related tags

Miscellaneous macos monitor restore screen window-manager window deamon
Overview

macOS 10.10+ Current release

Memmon

Memmon remembers what your Mac forgets – A simple deamon that restores your window positions on external monitors.

FAQ

Why‽

I am frustrated! Why does my Mac forget all window positions which I moved to a second screen? Every time I unplug the monitor. Every time I close my Macbook lid. Every time I lock my Mac.

Is it macOS 11? Is it the USB-C-to-HDMI converter dongle (notably one made by Apple)? Why do I have to fix things that Apple should have fixed long ago? …

Aren't there other solutions?

Yes, for example Mjolnir or Hammerspoon (and some comercial ones). But I do not need a full-fledged window manager. Nor the dependencies they rely on. I just need to fix this damn bug.

What is it good for?

First off, Memmon is just 130 lines of code – no dependencies. You can audit it in 5 minutes. Or just build it from scratch if you like (just run make).

Secondly, it does one thing and one thing only: Save and restore window positions whenever your monitor setup changes.

Install

  1. You will need macOS 10.10 or newer.
  2. Grant Memmon the Accessibility privilege. Go to "System Preference" > "Security & Privacy" > "Accessibility" and add Memmon to that list. Otherwise, you can't move other application windows around and the app has no purpose.
  3. Thats it. The app runs in your status bar.

Hide Status Icon

You can hide the status icon either via the same-titled menu entry. If you do so, the only way to quit the app is by killing the process (with Activity.app or killall Memmon).

If you like to hide the icon directly on launch, use this app-setting:

# disable status icon completely
defaults write de.relikd.Memmon invisible -bool True
# re-enable status icon
defaults delete de.relikd.Memmon invisible
Comments
  • Does not work on Apple Silicon

    Does not work on Apple Silicon

    The app runs using Rosetta but does not remember window positions when an external display is plugged in. Accessibility privileges have been granted.

    It is moving windows because they are all half off my M1 Air's internal display when I plug in an external display but do not move to it. They stay that way once the external display is unplugged.

    Could I request a Universal Binary, please? For those of us on Apple Silicon hardware, who don't have the skills to compile this for ourselves.

    Thank you for this utility. Just wish it worked for me.

    opened by GoanSausage 8
  • How to install?

    How to install?

    Hi, can you explain further how to install the app? What files do I need to download exactly? Do I need to build the app or is there an .dmg file I can download and install?

    Thanks.

    opened by lihail-melio 1
  • Hammerspoon?

    Hammerspoon?

    Just a clarification request: why the mention of Hammerspoon in the Readme, did you mean that there is an (already existing) way to do what Memmon does with Hammerspoon? Or just that one could implement something in there? (I tried searching for something ready-made but couldn't find anything)

    opened by hmijail 1
  • Read Me - status bar vs menu bar

    Read Me - status bar vs menu bar

    "Thats it. The app runs in your status bar."

    According to apples support guide - https://support.apple.com/guide/mac-help/menu-bar-mchlp1446/mac - The whole bar is the "menu bar" and on the right side are items sometimes referered to as status menus "For example, click Wi-Fi to show a list of available networks". So the the text should read "That's it. The app runs in your menu bar."

    opened by bizzare 0
  • Add to Homebrew

    Add to Homebrew

    Hello,

    Thank you for the awesome app!

    Would you be willing to create a homebrew recipe for Memmon so it can be installed with brew install Memmon --cask?

    opened by quinncomendant 3
  • Firefox window now restored

    Firefox window now restored

    First of all, huge thanks for programming this! I would have spent weeks doing it myself if I hadn't found it on your Github. That being said, similar to the issue with Chrome also Firefox is not restored on my OS 11.6 M1.

    opened by cdorfer 1
  • Hotkey to force restore

    Hotkey to force restore

    Hello! Thank you for the great app! It would be very helpful if I was able to use some keys combination to trigger restoring. That would partially resolve issue related to spaces.

    opened by okgolove 11
  • Chrome windows were not restored?

    Chrome windows were not restored?

    Thank you -- this looks very promising! Restored several windows to my external monitor perfectly. However, it left several Chrome windows behind on the laptop display. Any additional step I ought to take that might prompt Chrome to join the party? Cheers!

    opened by dsalter-alluma 1
  • Minimized windows

    Minimized windows

    Would it be possible to restore the positions of minimized windows? Currently, windows that are minimized when a monitor is disconnected do not retain their size or position when the monitor reconnects.

    opened by CMD-CK 17
Releases(v1.5)

  • v1.5(Nov 24, 2021)

  • v1.4(Oct 27, 2021)

    This release adds a relatively stable restoration of windows in other spaces. You still need to visit another space before the windows are restored, however if you dont open another space, the old window positions are not overwritten. This means, Memmon assumes the window positions have probably not changed (as you havent open the space) and thus assumes the old values are still valid. Hint: this is not the case, you can still move windows in and out of spaces without opening them. But it should work good enough. Again, if you don't use spaces, the restore functionality should not be affected. Please report bugs.

    Source code(tar.gz)
    Source code(zip)
    Memmon_v1.4.tar.gz(66.69 KB)

  • v1.3(Oct 27, 2021)

    Adds preliminary support for spaces. As usual, Memmon will restore the currently active space. Additionally, if you navigate to a different space, Memmon will restore the windows of that space too. This is very rudimentary, i.e., if you do not visit a space (aka. windows are not restored) and detach a monitor, the current configuration is stored (aka. windows will have wrong positions because they werent restored previously) ... So much so, the next update is underway ...

    Source code(tar.gz)
    Source code(zip)
    Memmon_v1.3.tar.gz(66.75 KB)

  • v1.2(Oct 26, 2021)

    • App is now signed. This should allow app updates without re-setting the accessibility permission
    • Memmon now checks on launch whether permission is granted and if not, show the system dialog to do so.
    • Fix: only restore windows which are on the currently active space (as of now, it is not recommended to use more than one space).
    Source code(tar.gz)
    Source code(zip)
    Memmon_v1.2.tar.gz(61.06 KB)

  • v1.1(Oct 21, 2021)

  • v1.0(Oct 11, 2021)

Owner
Helena Schobs
Helena Schobs
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