97 lines
3.1 KiB
Go
97 lines
3.1 KiB
Go
package config
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import (
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"fmt"
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"os"
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"path/filepath"
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"gopkg.in/yaml.v3"
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)
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// PollConfig defines how to poll for the current state of a toggle key.
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type PollConfig struct {
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Command string `yaml:"command"` // shell command whose output is checked
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Interval string `yaml:"interval"` // how often to poll, e.g. "2s" (default: "2s")
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Match string `yaml:"match"` // substring to find in output → "on" state; omit to use exit code 0
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// Module-based alternative to Command: resolved to a shell string at startup.
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Module string `yaml:"module"`
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Function string `yaml:"function"`
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Params map[string]string `yaml:"params"`
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}
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// KeyConfig defines what a single Stream Deck key does.
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type KeyConfig struct {
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Icon string `yaml:"icon"` // filename relative to icons_dir (regular keys)
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Command string `yaml:"command"` // shell command to run on press
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// Toggle/status keys: show different icons based on polled state.
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IconTrue string `yaml:"icon_true"` // icon when poll match is true
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IconFalse string `yaml:"icon_false"` // icon when poll match is false
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Poll *PollConfig `yaml:"poll"`
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// Module-based alternative to Command: resolved to a shell string at startup.
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Module string `yaml:"module"`
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Function string `yaml:"function"`
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Params map[string]string `yaml:"params"`
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}
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// DefaultConfigPath returns the default config file path, respecting XDG_CONFIG_HOME.
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func DefaultConfigPath() string {
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base := os.Getenv("XDG_CONFIG_HOME")
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if base == "" {
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home, _ := os.UserHomeDir()
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base = filepath.Join(home, ".config")
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}
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return filepath.Join(base, "streamdeck-go", "config.yaml")
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}
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// ModulesPath returns the path to the modules.yaml file next to the given config file.
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func ModulesPath(cfgPath string) string {
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return filepath.Join(filepath.Dir(cfgPath), "modules.yaml")
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}
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// Config is the top-level structure of the YAML config file.
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type Config struct {
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IconsDir string `yaml:"icons_dir"`
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Brightness int `yaml:"brightness"`
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Device DeviceConfig `yaml:"device"`
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Keys map[int]KeyConfig `yaml:"keys"`
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}
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// DeviceConfig allows overriding USB IDs (defaults work for Stream Deck XL v2).
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type DeviceConfig struct {
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VendorID uint16 `yaml:"vendor_id"`
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ProductID uint16 `yaml:"product_id"`
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}
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// Load reads and parses a YAML config file, applying sane defaults.
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// icons_dir defaults to an "icons" folder next to the config file.
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func Load(path string) (*Config, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("read config %q: %w", path, err)
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}
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cfg := &Config{
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IconsDir: filepath.Join(filepath.Dir(path), "icons"),
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Brightness: 70,
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Device: DeviceConfig{
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VendorID: 0x0fd9,
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ProductID: 0x00ba, // Stream Deck XL v2
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},
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}
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if err := yaml.Unmarshal(data, cfg); err != nil {
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return nil, fmt.Errorf("parse config: %w", err)
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}
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// Resolve relative icons_dir against the config file's directory so the
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// binary works regardless of the working directory (e.g. as a systemd service).
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if !filepath.IsAbs(cfg.IconsDir) {
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cfg.IconsDir = filepath.Join(filepath.Dir(path), cfg.IconsDir)
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}
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return cfg, nil
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}
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