Schlimm is an attempt to create a fork of the SLiM desktop manager.
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Quick theme howto for SLiM

Some basic information regarding the slim theme format. Read this file if you plan to make some theme for the program, and of course have a look at the included themes

General concept

A SLiM theme essentially consists of:

  • a background image (background.png or background.jpg)
  • a panel image (panel.png or panel.jpg)
  • input box(es) and messages and their placement and properties (slim.theme)

The panel and background images can be a PNG or JPEG file. The panel is blended into the background image, taking care of alpha transparency.

Supported formats

  • fonts: use the xft font specs, ie: Verdana:size=16:bold
  • colors: use html hex format, ie #0066CC
  • positions: can be either absolute in pixels, ie 350 or relative to the container, ie 50% is in the middle of the screen.

Options

The following is an example slim.theme file

# Color, font, position for the messages (ie: shutting down)
msg_color               #FFFFFF
msg_font                Verdana:size=16:bold
msg_x                   50%
msg_y                   30

# Color, font, position for the session list
session_color           #FFFFFF
session_font            Verdana:size=16:bold
session_x               50%
session_y               90%

# style of background: 'stretch', 'tile', 'center', 'color'
background_style        stretch
background_color        #FF0033

# Horizonatal and vertical position for the panel.
input_panel_x           50%
input_panel_y           40%

# input controls horizontal and vertical positions.
# IMPORTANT! set input_pass_x and input_pass_y to -1
# to use a single input box for username/password (GDM Style).
# Note that this fields only accept absolute values.
input_name_x            40
input_name_y            100
input_pass_x            40
input_pass_y            120

# Input controls font and color
input_font              Verdana:size=12
input_color             #000000

# Welcome message position. (relative to the panel)
# use -1 for both values or comment the options to disable
# the welcome message
welcome_x               50%
welcome_y               38

# Font and color for the welcome message
welcome_font            Verdana:size=16:bold:slant=italic
welcome_color           #d7dde8

# 'Enter username' font and foreground/background color
username_font           Verdana:size=12
username_color          #d7dde8

# 'Enter username' and 'Enter password' position (relative to the panel)
#  use -1 for both values to disable the message
# note that in case of single inputbox the password values are ignored.
username_x                 50%
username_y                 146
password_x                 50%
password_y                 146

# The message to be displayed. Leave blank if no message
# is needed (ie, when already present in the panel image)
username_msg            Please enter your username
password_msg            Please enter your password

Shadows

The 'msg', 'input', 'welcome', 'session' and 'username' sections support shadows; three values can be configured:

  • color: the shadow color
  • x offset: the offset in x direction, relative to the normal text
  • y offset: the offset in y direction, relative to the normal text

So to add a text shadow to the welcome message, add the following to slim.conf:

welcome_shadow_xoffset      -2
welcome_shadow_yoffset      2
welcome_shadow_color        #ff0000

The other keys are analogue:

# for username and password label
username_shadow_xoffset     2
username_shadow_yoffset     -2
username_shadow_color       #ff0000

# for the input fields
input_shadow_xoffset    1
input_shadow_yoffset    1
input_shadow_color      #0000ff

# for the messages:
msg_shadow_xoffset      1
msg_shadow_yoffset      1
msg_shadow_color        #ff00ff

# For the session:
session_shadow_xoffset      1
session_shadow_yoffset      1
session_shadow_color        #ff00ff