i3lock - improved screen locker

This is just a re-patched version of i3lock with the commits from i3lock-color; all the credit for the color functionality goes to eBrnd !

i3lock is a simple screen locker like slock. After starting it, you will see a white screen (you can configure the color/an image). You can return to your screen by entering your password.

Many little improvements have been made to i3lock over time:

i3lock forks, so you can combine it with an alias to suspend to RAM (run "i3lock && echo mem > /sys/power/state" to get a locked screen after waking up your computer from suspend to RAM)
You can specify either a background color or an image (JPG or PNG), which will be displayed while your screen is locked.
You can specify whether i3lock should bell upon a wrong password.
i3lock uses PAM and therefore is compatible with LDAP etc. On OpenBSD i3lock uses the bsd_auth(3) framework.

Additional features in this fork

You can also specify additional options, as detailed in the manpage. This includes, but is not limited to, the following:

Color options for the following:
- verification ring
- interior ring color
- ring interior line color
- key highlight color
- backspace highlight color
- text colors for most/all strings
- Changing all of the above depending on PAM's authentication status
Blurring the current screen and using that as the lock background
Showing a clock in the indicator
refreshing on a timer, instead of on each keypress
Positioning the various UI elements
Changing the ring radius and thickness, as well as text size
Passthrough media keys
A new bar indicator, which replaces the ring indicator with its own set of options
- An experimental thread for driving the redraw ticks, so that things like the bar/clock still update when PAM is blocking

Building

Before you build - check and see if there's a packaged version available for your distro (there usually is, either in a community repo/PPA).

If there's no packaged version available - think carefully, since you're using a forked screen locker at your own risk.

If you want to build a non-debug version, you should tag your build before configuring. For example: git tag -f "git-$(git rev-parse --short HEAD)" will add a tag with the short commit ID, which will be used for the version info. Issues asking about ASAN/complaints about i3lock-color being slow / etc will likely be closed.

i3lock now uses GNU autotools for building; you'll need to do something like autoreconf -i && ./configure && make to build.

Required Packages

pkg-config
libxcb
libxcb-util
libpam-dev
libcairo-dev
libfontconfig-dev
libxcb-composite0
libxcb-composite0-dev
libxcb-xinerama
libxcb-randr
libev
libx11-xcb-dev
libxkbcommon >= 0.5.0
libxkbcommon-x11 >= 0.5.0
libjpeg-turbo >= 1.4.90

Required Packages (Fedora 27)

cairo-devel
libev
libev-devel
libjpeg-devel
libjpeg-turbo
libxcb
libxkbcommon
libxkbcommon-x11
libxkbcommon-x11-devel
pam-devel
pkg-config
xcb-util-devel
xcb-util-image
xcb-util-image-devel

Aur Package

Stable

Git

FreeBSD port

i3lock-color-port

Running i3lock

Simply invoke the 'i3lock' command. To get out of it, enter your password and press enter.

A sample script is included in this repository. Here is a short clip of that script in action!

On OpenBSD the i3lock binary needs to be setgid auth to call the authentication helpers, e.g. /usr/libexec/auth/login_passwd.

Building i3lock

First install the dependencies listed in requirements section, then run these commands (might need to be adapted to your OS):

autoreconf --force --install

rm -rf build/
mkdir -p build && cd build/

../configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --disable-sanitizers

make

Upstream

Please submit pull requests for i3lock things to https://github.com/i3/i3lock and pull requests for additional features on top of regular i3lock at https://github.com/PandorasFox/i3lock-color.

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