`fzf_theme` Script Usage

Overview

The fzf_theme script configures the fzf color theme based on the system's appearance mode (Light or Dark). It is compatible with macOS and Linux systems, adjusting the fzf theme colors to ensure optimal visibility and aesthetics.

Usage

Basic Usage

To automatically detect the system's appearance mode and apply the corresponding fzf theme, run:

./fzf_theme.sh

Custom Appearance Mode

To override the automatic detection and set a specific appearance mode, provide either Light or Dark as an argument:

./fzf_theme.sh Light

./fzf_theme.sh Dark

Example

To use the script's output for configuring fzf, you can capture the FZF_DEFAULT_OPTS and use it as follows:

export FZF_DEFAULT_OPTS="$(./fzf_theme.sh)"
fzf --preview "echo 'Preview content'"

System Compatibility

macOS

Detects system appearance using the defaults command
Reads AppleInterfaceStyle to determine Dark mode

Linux

The script attempts to detect the desktop environment in the following order:

GNOME/GTK: Uses gsettings to read the gtk-theme
KDE Plasma: Uses kreadconfig5 to read the color scheme
Other (xsettingsd): Checks ~/.config/xsettingsd/xsettingsd.conf

Fallbacks: If automatic detection fails, the script checks environment variables:

GTK_THEME
QT_STYLE_OVERRIDE

If no theme can be detected, the script defaults to Dark mode.

Dependencies

fzf: Ensure fzf is installed and configured in your environment to utilize the output of this script.

Notes

For persistent use, consider adding the script to your shell initialization file to automatically set the fzf theme in new terminal sessions.
The script also defaults to Dark mode when running inside tmux (regardless of system appearance).

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fzf_theme Script Usage