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 a PNG image which will be displayed while your screen is locked.

  • You can also specify additional color options with the following command-line options:
    • --insidevercolor=rrggbbaa -- Inside of the circle while the password is being verified
    • --insidewrongcolor=rrggbbaa -- Inside of the circle when a wrong password was entered
    • --insidecolor=rrggbbaa -- Inside of the circle while typing/idle
    • --ringvercolor=rrggbbaa -- Outer ring while the password is being verified
    • --ringwrongcolor=rrggbbaa -- Outer ring when a wrong password was entered
    • --ringcolor=rrggbbaa -- Outer ring while typing/idle
    • --linecolor=rrggbbaa -- Line separating outer ring from inside of the circle
    • --separatorcolor=rrggbbaa -- Lines delimiting the highlight segments
    • --textcolor=rrggbbaa -- Text ("verifying", "wrong!")
    • --keyhlcolor=rrggbbaa -- Keypress highlight segments
    • --bshlcolor=rrggbbaa -- Backspace highlight segments
    • --line-uses-ring, -r -- the line between the inside and outer ring uses the ring color for its color
    • --line-uses-inside, -s -- the line between the inside and outer ring uses the inside color for its color
  • The following additional options have been added:
  • -S, --screen -- specifies which display to draw the unlock indicator on
  • -k, --clock -- enables the clock display.
    • --indicator -- forces the indicator to always show, even if there's no activity.
    • --composite -- enables checking for compositors and trying to grab the compositor window, since that causes issues with some compositors.
      • NOTE: This can potentially allow sensitive information to display over the screen locker, so take care when you use this option.
  • -B=sigma, --blur -- enables Gaussian blur. Sigma is the blur radius.
    • Note: You can still composite images over the blur (but still under the indicator) with -i. - Eventually there might be an imagepos arg, similar to time and datepos.
  • --indpos="x+(w/2):y+(h/2)" -- position of the unlock indicator. Expressions using the variables x (current screen's x value), y (current screen's y value), w (screen width), h (screen height), and r (indicator radius) can be used.
  • --timestr="%H:%M:%S" -- allows custom overriding of the time format string. Accepts strftime formatting. Default is "%H:%M:%S".
  • --timepos="ix:iy-20" -- position of the time. All the variables in indpos can be used here, as well as the additional values ix (indicator x position), iy (indicator y position), cw (clock width), and ch (clock height).
  • --timecolor=rrggbbaa -- color of the time string
  • --timefont="sans-serif" -- font used for the time display
  • --timesize=32 -- font size for the time display
  • --datestr="%A, %m %Y" -- allows custom overriding of the date format string. Accepts strftime formatting. Default is "%A, %m %Y".
  • --datepos="ix:iy-20" -- position of the date. All the variables in indpos and timepos can be used here, as well as the additional values tx (time x) and ty (time y).
  • --datecolor=rrggbbaa -- color of the date string
  • --datefont="sans-serif" -- font used for the date display
  • --datesize=14 -- font size for the date display
    • --veriftext="verifying…" -- text to be shown while verifying
    • --wrongtext="wrong!" -- text to be shown upon an incorrect password being entered
    • --textsize=28 -- font size for the status text
    • --modsize=14 -- font size for the modifier keys listing
    • --radius=90 -- the radius of the circle indicator

• 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.

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 don't understand what makefiles are and how they work, start reading here. If you're building from source - make sure you're keeping up to date.

Required Packages

• pkg-config
• libxcb
• libxcb-util
• libpam-dev
• libcairo-dev
• libxcb-composite0
• libxcb-composite0-dev
• libxcb-xinerama
• libev
• libx11-dev
• libx11-xcb-dev
• libxkbcommon >= 0.5.0
• libxkbcommon-x11 >= 0.5.0

(On centos/RHEL/etc, the packages tend to look like cairo-devel instead of libcairo-dev. Use yum provides \*/<header.h> to figure out what packages you need.)

Ubuntu

sudo apt-get install pkg-config libxcb1 libpam-dev libcairo-dev libxcb-composite0 libxcb-composite0-dev libxcb-xinerama0-dev libev-dev libx11-dev libx11-xcb-dev libxkbcommon0 libxkbcommon-x11-0 libxcb-dpms0-dev libxcb-image0-dev libxcb-util0-dev libxcb-xkb-dev libxkbcommon-x11-dev libxkbcommon-dev

Aur Package

https://aur.archlinux.org/packages/i3lock-color-git

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.

Upstream

Please submit pull requests for i3lock things to https://github.com/i3/i3lock and pull requests for color things to me at https://github.com/chrjguill/i3lock-color.