#
# ~/.config/compton.conf
# Compton: a compositor for X11
# https://github.com/chjj/compton
#
# Credits:
# [1] http://twily.info/
# [2] https://github.com/Remedan/dotfiles
#
# Aaron LI
# 2015-12-18
#

#################################
# Backend
#################################

# Backend to use: "xrender" or "glx".
# GLX backend is typically much faster but depends on a sane driver.
backend = "glx";

#################################
# GLX backend
#################################

glx-no-stencil = true;

# GLX backend: Copy unmodified regions from front buffer instead of
# redrawing them all.
glx-copy-from-front = false;

# GLX backend: Use MESA_copy_sub_buffer to do partial screen update.
# May break VSync and is not available on some drivers.
# Overrides --glx-copy-from-front.
#glx-use-copysubbuffermesa = true;

# GLX backend: Avoid rebinding pixmap on window damage.
# Recommended if it works.
#glx-no-rebind-pixmap = true;

# GLX backend: GLX buffer swap method we assume.
# * undefined (0): the slowest and the safest, and the default value;
# * copy (1): the fastest, but may fail on some drivers;
# * exchange (2), 3-6:
#   2-6 are gradually slower but safer (6 is still faster than 0);
#   Usually, double buffer means 2, triple buffer means 3.
# * buffer-age (-1): auto-detect using GLX_EXT_buffer_age, supported
#   by some drivers.
glx-swap-method = "undefined";

#################################
# Shadows
#################################

# Enabled client-side shadows on windows.
shadow = true;
# Don't draw shadows on DND windows.
no-dnd-shadow = true;
# Avoid drawing shadows on dock/panel windows.
no-dock-shadow = false;
# Zero the part of the shadow's mask behind the window.
# Fix some weirdness with ARGB windows.
clear-shadow = true;
# The blur radius for shadows. (default 12)
shadow-radius = 3;
# The left offset for shadows. (default -15)
shadow-offset-x = -5;
# The top offset for shadows. (default -15)
shadow-offset-y = -5;
# The translucency for shadows. (default .75)
shadow-opacity = 0.85;

# Set if you want different colour shadows
#shadow-red = 0.03;
#shadow-green = 0.03;
#shadow-blue = 0.04;

# The shadow exclude options are helpful if you have shadows enabled.
# Due to the way compton draws its shadows, certain applications will
# have visual glitches (most applications are fine, only apps that do
# weird things with xshapes or argb are affected).
#
# The "! name~=''" part excludes shadows on any "Unknown" windows,
# this prevents a visual glitch with the XFWM alt tab switcher.
#
# The "_GTK_FRAME_EXTENTS@:c" fixes the weird double shadow around
# GTK3 applications.
# Credit: https://github.com/chjj/compton/issues/189
shadow-exclude = [
    "! name~=''",
    "_GTK_FRAME_EXTENTS@:c"
];
# Avoid drawing shadow on all shaped windows
# (see also: --detect-rounded-corners)
shadow-ignore-shaped = false;

#################################
# Opacity
#################################

menu-opacity = 1;
inactive-opacity = 1;
active-opacity = 1;
frame-opacity = 1;
inactive-opacity-override = false;
alpha-step = 0.06;

# Dim inactive windows. (0.0 - 1.0)
#inactive-dim = 0.2;
# Do not let dimness adjust based on window opacity.
#inactive-dim-fixed = true;
# Blur background of transparent windows. Bad performance with X Render
# backend. GLX backend is preferred.
blur-background = false;
# Blur background of opaque windows with transparent frames as well.
blur-background-frame = false;
# Do not let blur radius adjust based on window opacity.
blur-background-fixed = false;
blur-background-exclude = [
    "window_type = 'dock'",
    "window_type = 'desktop'"
];

#################################
# Fading
#################################

# Fade windows during opacity changes.
fading = true;
# The time between steps in a fade in milliseconds. (default 10).
fade-delta = 4;
# Opacity change between steps while fading in. (default 0.028).
fade-in-step = 0.03;
# Opacity change between steps while fading out. (default 0.03).
fade-out-step = 0.03;
# Fade windows in/out when opening/closing
#no-fading-openclose = true;

# Specify a list of conditions of windows that should not be faded.
fade-exclude = [ "_GTK_FRAME_EXTENTS@:c" ];

#################################
# Other
#################################

# Try to detect WM windows and mark them as active.
mark-wmwin-focused = true;
# Mark all non-WM but override-redirect windows active (e.g. menus).
mark-ovredir-focused = true;
# Use EWMH _NET_WM_ACTIVE_WINDOW to determine which window is focused
# instead of using FocusIn/Out events.
# Usually more reliable but depends on a EWMH-compliant WM.
use-ewmh-active-win = true;
# Detect rounded corners and treat them as rectangular when
# --shadow-ignore-shaped is on.
detect-rounded-corners = true;

# Detect _NET_WM_OPACITY on client windows, useful for window managers
# not passing _NET_WM_OPACITY of client windows to frame windows.
# This prevents opacity being ignored for some apps.
detect-client-opacity = true;

# Specify refresh rate of the screen.
# If not specified or 0, compton will try detecting this with X RandR
# extension.
#refresh-rate = 60;

# Set VSync method. VSync methods currently available:
# * none: No VSync
# * drm: VSync with DRM_IOCTL_WAIT_VBLANK. May only work on some drivers.
# * opengl: Try to VSync with SGI_video_sync OpenGL extension.  Only
#   work on some drivers.
# * opengl-oml: Try to VSync with OML_sync_control OpenGL extension.
#   Only work on some drivers.
# * opengl-swc: Try to VSync with SGI_swap_control OpenGL extension.
#   Only work on some drivers.  Works only with GLX backend.  Known to
#   be most effective on many drivers.  Does not actually control
#   paint timing, only buffer swap is affected, so it doesn’t have
#   the effect of --sw-opti unlike other methods.  Experimental.
# * opengl-mswc: Try to VSync with MESA_swap_control OpenGL extension.
#   Basically the same as opengl-swc above, except the extension we use.
vsync = "opengl-swc";

# Enable DBE painting mode, intended to use with VSync to (hopefully)
# eliminate tearing.
dbe = false;

# Painting on X Composite overlay window. Recommended.
paint-on-overlay = true;

# Limit compton to repaint at most once every 1 / refresh_rate second
# to boost performance.
# This should not be used with --vsync drm/opengl/opengl-oml as they
# essentially does --sw-opti's job already.
sw-opti = false;

# Unredirect all windows if a full-screen opaque window is detected,
# to maximize performance for full-screen windows, like games.
# Known to cause flickering when redirecting/unredirecting windows.
# paint-on-overlay may make the flickering less obvious.
#unredir-if-possible = true;

# Specify a list of conditions of windows that should always be considered
# focused.
focus-exclude = [ ];

# Use WM_TRANSIENT_FOR to group windows, and consider windows in the
# same group focused at the same time.
detect-transient = true;
# Use WM_CLIENT_LEADER to group windows, and consider windows in the
# same group focused at the same time.
# WM_TRANSIENT_FOR has higher priority if --detect-transient is enabled.
detect-client-leader = true;

#################################
# Window type settings
#################################

wintypes:
{
    tooltip =
    {
        # fade: Fade the particular type of windows.
        fade = true;
        # shadow: Give those windows shadow
        shadow = false;
        # opacity: Default opacity for the type of windows.
        opacity = 0.85;
        # focus: Whether to always consider windows of this type focused.
        focus = true;
    };
};