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picom: fix animations config syntax for libconfig

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Home-manager generates [] (arrays) but picom needs () (lists) for
the animations setting. Move animations to a separate config file
with correct syntax and override the picom service to load both.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Ivan Malison
2026-02-01 13:32:50 -08:00
parent 0493a60f95
commit ba91ff5b82
1 changed files with 74 additions and 62 deletions
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136
nixos/xmonad.nix
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@@ -98,68 +98,8 @@ makeEnable config "myModules.xmonad" true {
backend = "glx";
settings = {
# Spring physics animations (mainline picom with spring-physics branch)
# Syntax: spring(stiffness, dampening, mass) or spring(stiffness, dampening, mass, clamping)
# Set clamping to false for bounce/overshoot effects
animations = [
# Window move/resize animation with spring physics
{
triggers = ["geometry"];
offset-x = {
curve = "spring(250, 20, 1, false)";
start = "window-x-before - window-x";
end = 0;
};
offset-y = {
curve = "spring(250, 20, 1, false)";
start = "window-y-before - window-y";
end = 0;
};
}
# Opacity fade animation
{
triggers = ["open" "show"];
opacity = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 0;
end = "window-raw-opacity";
};
scale-x = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 0.9;
end = 1;
};
scale-y = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 0.9;
end = 1;
};
}
{
triggers = ["close" "hide"];
opacity = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = "window-raw-opacity";
end = 0;
};
scale-x = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 1;
end = 0.9;
};
scale-y = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 1;
end = 0.9;
};
}
];
# Note: animations must use () not [] in libconfig, so we put them in extraArgs
# via xdg.configFile below
fade-in-step = 0.028;
fade-out-step = 0.028;
@@ -198,6 +138,78 @@ makeEnable config "myModules.xmonad" true {
};
};
# Spring physics animations config - written separately because home-manager
# generates [] (arrays) but picom needs () (lists) for animations
xdg.configFile."picom/animations.conf".text = ''
# Spring physics animations (mainline picom with spring-physics branch)
# Syntax: spring(stiffness, dampening, mass) or spring(stiffness, dampening, mass, clamping)
# Set clamping to false for bounce/overshoot effects
animations = (
# Window move/resize animation with spring physics
{
triggers = ["geometry"];
offset-x = {
curve = "spring(250, 20, 1, false)";
start = "window-x-before - window-x";
end = 0;
};
offset-y = {
curve = "spring(250, 20, 1, false)";
start = "window-y-before - window-y";
end = 0;
};
},
# Opacity fade animation
{
triggers = ["open", "show"];
opacity = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 0;
end = "window-raw-opacity";
};
scale-x = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 0.9;
end = 1;
};
scale-y = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 0.9;
end = 1;
};
},
{
triggers = ["close", "hide"];
opacity = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = "window-raw-opacity";
end = 0;
};
scale-x = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 1;
end = 0.9;
};
scale-y = {
curve = "cubic-bezier(0.25, 0.1, 0.25, 1)";
duration = 0.2;
start = 1;
end = 0.9;
};
}
);
'';
# Override picom service to include animations config
systemd.user.services.picom = {
Service.ExecStart = pkgs.lib.mkForce "${pkgs.picom}/bin/picom --config \${XDG_CONFIG_HOME}/picom/picom.conf --config \${XDG_CONFIG_HOME}/picom/animations.conf";
};
# systemd.user.services.notifications-tray-icon = {
# Unit = {
# Description = "Notifications tray icon";