package config
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import (
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"encoding/json"
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"os"
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"runtime"
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"voicesnap/internal/logger"
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"voicesnap/internal/model"
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"voicesnap/internal/paths"
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)
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const (
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LegacyDefaultHotkeyVK = 0xA5
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RightModifierDefaultVK = 0x5C
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HotkeyModeTap = "tap"
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HotkeyModeHold = "hold"
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LanguageModeAuto = "auto"
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LanguageModeManual = "manual"
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ModelSelectionModeAuto = "auto"
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ModelSelectionModeManual = "manual"
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)
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// Config holds the application configuration, compatible with the WPF version's config.json.
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type Config struct {
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HotkeyVK int `json:"HotkeyVK"`
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HotkeyMode string `json:"HotkeyMode"`
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AutoHide bool `json:"AutoHide"`
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SoundFeedback bool `json:"SoundFeedback"`
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HideDockIcon bool `json:"HideDockIcon"`
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CopyToClipboard bool `json:"CopyToClipboard"`
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DeviceName string `json:"DeviceName,omitempty"`
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IndicatorX int `json:"IndicatorX,omitempty"`
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IndicatorY int `json:"IndicatorY,omitempty"`
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SelectedModelID string `json:"SelectedModelID,omitempty"`
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ModelSelectionMode string `json:"ModelSelectionMode,omitempty"`
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LanguageMode string `json:"LanguageMode,omitempty"`
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LanguageID string `json:"LanguageID,omitempty"`
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ModelDownloadUrl string `json:"ModelDownloadUrl"`
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FallbackModelDownloadUrl string `json:"FallbackModelDownloadUrl"`
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}
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// Default returns a default configuration.
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func Default() *Config {
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return defaultWithHotkey(defaultHotkeyVKForNewConfig(runtime.GOOS))
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}
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func legacyDefaultForExistingConfig() *Config {
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return defaultWithHotkey(LegacyDefaultHotkeyVK)
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}
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// ExistingConfigFallback returns a legacy-safe fallback for cases where a
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// config file exists but cannot be read or parsed.
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func ExistingConfigFallback() *Config {
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return legacyDefaultForExistingConfig()
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}
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func defaultWithHotkey(hotkeyVK int) *Config {
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return &Config{
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HotkeyVK: hotkeyVK,
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HotkeyMode: HotkeyModeHold,
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AutoHide: true,
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SoundFeedback: true,
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HideDockIcon: true,
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CopyToClipboard: true,
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SelectedModelID: model.DefaultModelID,
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ModelSelectionMode: ModelSelectionModeAuto,
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LanguageMode: LanguageModeAuto,
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LanguageID: model.DefaultLanguageID,
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ModelDownloadUrl: "http://www.maikami.com/voicesnap/sensevoice.zip",
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FallbackModelDownloadUrl: "https://modelscope.cn/models/sherpa-onnx/sherpa-onnx-sense-voice-zh-en-ja-ko-yue/resolve/master/sherpa-onnx-sense-voice-zh-en-ja-ko-yue-int8-2024-07-17.tar.bz2",
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}
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}
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func defaultHotkeyVKForNewConfig(goos string) int {
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switch goos {
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case "darwin", "windows":
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return RightModifierDefaultVK
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default:
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return LegacyDefaultHotkeyVK
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}
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}
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func configPath() string {
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return paths.File("config.json")
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}
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// Load reads the config from disk. Returns default config on error.
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func Load() (*Config, error) {
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path := configPath()
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data, err := os.ReadFile(path)
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if err != nil {
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if os.IsNotExist(err) {
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cfg := Default()
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Save(cfg)
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return cfg, nil
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}
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return nil, err
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}
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cfg := legacyDefaultForExistingConfig()
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if err := json.Unmarshal(data, cfg); err != nil {
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return nil, err
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}
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cfg.HotkeyMode = NormalizeHotkeyMode(cfg.HotkeyMode)
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cfg.LanguageMode = NormalizeLanguageMode(cfg.LanguageMode)
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cfg.ModelSelectionMode = NormalizeModelSelectionMode(cfg.ModelSelectionMode)
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languageID := cfg.LanguageID
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cfg.LanguageID = model.NormalizeLanguageID(cfg.LanguageID)
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if languageID != "" && languageID != cfg.LanguageID {
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logger.Info("Unknown LanguageID %q, falling back to %q", languageID, cfg.LanguageID)
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}
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selectedModelID := cfg.SelectedModelID
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cfg.SelectedModelID = model.NormalizeModelID(cfg.SelectedModelID)
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if selectedModelID != "" && selectedModelID != cfg.SelectedModelID {
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logger.Info("Unknown SelectedModelID %q, falling back to %q", selectedModelID, cfg.SelectedModelID)
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}
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return cfg, nil
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}
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func NormalizeLanguageMode(mode string) string {
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switch mode {
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case LanguageModeAuto, LanguageModeManual:
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return mode
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default:
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return LanguageModeAuto
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}
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}
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func NormalizeModelSelectionMode(mode string) string {
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switch mode {
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case ModelSelectionModeAuto, ModelSelectionModeManual:
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return mode
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default:
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return ModelSelectionModeAuto
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}
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}
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func NormalizeHotkeyMode(mode string) string {
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switch mode {
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case HotkeyModeTap, HotkeyModeHold:
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return mode
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default:
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return HotkeyModeHold
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}
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}
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// Save writes the config to disk.
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func Save(cfg *Config) {
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if err := paths.Ensure(); err != nil {
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logger.Error("Failed to create app data dir: %v", err)
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return
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}
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data, err := json.MarshalIndent(cfg, "", " ")
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if err != nil {
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logger.Error("Failed to marshal config: %v", err)
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return
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}
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if err := os.WriteFile(configPath(), data, 0644); err != nil {
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logger.Error("Failed to save config: %v", err)
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}
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}
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