Add i18n

2026-06-30 09:11:54 +02:00 · 2026-06-25 21:52:23 +02:00
parent 4e2f78026d
commit 18e9adabaa
20 changed files with 1653 additions and 113 deletions
@@ -0,0 +1,189 @@
+// Package i18n holds the cbconvert GUI message keys and per-language string packs.
+package i18n
+
+import "github.com/gen2brain/iup-go/iup"
+
+const (
+	ColTitle = "COL_TITLE"
+	ColType  = "COL_TYPE"
+	ColSize  = "COL_SIZE"
+
+	TabInput     = "TAB_INPUT"
+	TabOutput    = "TAB_OUTPUT"
+	TabImage     = "TAB_IMAGE"
+	TabTransform = "TAB_TRANSFORM"
+
+	LblPage = "LBL_PAGE"
+	TipPage = "TIP_PAGE"
+
+	TglRecursive  = "TGL_RECURSIVE"
+	TipRecursive  = "TIP_RECURSIVE"
+	TglNoRGB      = "TGL_NORGB"
+	TipNoRGB      = "TIP_NORGB"
+	TglNoCover    = "TGL_NOCOVER"
+	TipNoCover    = "TIP_NOCOVER"
+	TglNoNonImage = "TGL_NONONIMAGE"
+	TipNoNonImage = "TIP_NONONIMAGE"
+	TglNoConvert  = "TGL_NOCONVERT"
+	TipNoConvert  = "TIP_NOCONVERT"
+	LblMinSize    = "LBL_MINSIZE"
+	TipSize       = "TIP_SIZE"
+	LblDPI        = "LBL_DPI"
+	TipDPI        = "TIP_DPI"
+
+	LblOutDir      = "LBL_OUTDIR"
+	TipOutDir      = "TIP_OUTDIR"
+	BtnBrowse      = "BTN_BROWSE"
+	LblSuffix      = "LBL_SUFFIX"
+	TipSuffix      = "TIP_SUFFIX"
+	LblArchive     = "LBL_ARCHIVE"
+	TipArchive     = "TIP_ARCHIVE"
+	LblCompression = "LBL_COMPRESSION"
+	TipZipLevel    = "TIP_ZIPLEVEL"
+	TglCombine     = "TGL_COMBINE"
+	TipCombine     = "TIP_COMBINE"
+	LblOutFile     = "LBL_OUTFILE"
+	TipOutFile     = "TIP_OUTFILE"
+
+	LblFormat      = "LBL_FORMAT"
+	TipFormat      = "TIP_FORMAT"
+	LblSize        = "LBL_SIZE"
+	CueWidth       = "CUE_WIDTH"
+	CueHeight      = "CUE_HEIGHT"
+	TipWidthHeight = "TIP_WIDTHHEIGHT"
+	TglFit         = "TGL_FIT"
+	TipFit         = "TIP_FIT"
+	TglNoUpscale   = "TGL_NOUPSCALE"
+	TipNoUpscale   = "TIP_NOUPSCALE"
+	LblFilter      = "LBL_FILTER"
+	LblQuality     = "LBL_QUALITY"
+	TipQuality     = "TIP_QUALITY"
+	LblEffort      = "LBL_EFFORT"
+	TipEffort      = "TIP_EFFORT"
+	TglLossless    = "TGL_LOSSLESS"
+	TipLossless    = "TIP_LOSSLESS"
+	TglGrayscale   = "TGL_GRAYSCALE"
+	TipGrayscale   = "TIP_GRAYSCALE"
+
+	LblBrightness = "LBL_BRIGHTNESS"
+	TipBrightness = "TIP_BRIGHTNESS"
+	LblContrast   = "LBL_CONTRAST"
+	TipContrast   = "TIP_CONTRAST"
+	LblRotate     = "LBL_ROTATE"
+	TipRotate     = "TIP_ROTATE"
+
+	EffortMethod  = "EFFORT_METHOD"
+	EffortSpeed   = "EFFORT_SPEED"
+	EffortEffort  = "EFFORT_EFFORT"
+	TipEffortWebp = "TIP_EFFORT_WEBP"
+	TipEffortAvif = "TIP_EFFORT_AVIF"
+	TipEffortJxl  = "TIP_EFFORT_JXL"
+
+	BtnAddFiles  = "BTN_ADDFILES"
+	BtnAddDir    = "BTN_ADDDIR"
+	BtnRemove    = "BTN_REMOVE"
+	BtnRemoveAll = "BTN_REMOVEALL"
+	BtnThumbnail = "BTN_THUMBNAIL"
+	BtnCover     = "BTN_COVER"
+	BtnConvert   = "BTN_CONVERT"
+	BtnCancel    = "BTN_CANCEL"
+	TipCancel    = "TIP_CANCEL"
+	BtnReset     = "BTN_RESET"
+	TipReset     = "TIP_RESET"
+	BtnSave      = "BTN_SAVE"
+	TipSave      = "TIP_SAVE"
+	BtnCommand   = "BTN_COMMAND"
+	TipCommand   = "TIP_COMMAND"
+	LblProfile   = "LBL_PROFILE"
+	TipProfile   = "TIP_PROFILE"
+
+	TipThumbnail = "TIP_THUMBNAIL"
+	TipCover     = "TIP_COVER"
+	TipConvert   = "TIP_CONVERT"
+
+	StatusNeedFilesAndDir = "STATUS_NEED_FILES_AND_DIR"
+	StatusNeedFiles       = "STATUS_NEED_FILES"
+	StatusNeedOutDir      = "STATUS_NEED_OUTDIR"
+	StatusFileOf          = "STATUS_FILE_OF"
+
+	FilterNearest  = "FILTER_NEAREST"
+	FilterBox      = "FILTER_BOX"
+	FilterLinear   = "FILTER_LINEAR"
+	FilterMitchell = "FILTER_MITCHELL"
+	FilterCatmull  = "FILTER_CATMULL"
+	FilterGaussian = "FILTER_GAUSSIAN"
+	FilterLanczos  = "FILTER_LANCZOS"
+
+	DlgAddFiles    = "DLG_ADDFILES"
+	DlgAddDir      = "DLG_ADDDIR"
+	DlgOutputDir   = "DLG_OUTPUTDIR"
+	DlgOutputFile  = "DLG_OUTPUTFILE"
+	DlgCommandLine = "DLG_COMMANDLINE"
+	DlgSaveProfile = "DLG_SAVEPROFILE"
+
+	ParamName           = "PARAM_NAME"
+	MsgInvalidNameTitle = "MSG_INVALIDNAME_TITLE"
+	MsgInvalidNameBody  = "MSG_INVALIDNAME_BODY"
+
+	NoPreview = "NO_PREVIEW"
+)
+
+// packs maps an IUP language name to its message pack, filled by each language file's init.
+var packs = map[string]map[string]string{}
+
+// register adds a language pack; called from each i18n_<lang>.go init.
+func register(lang string, pack map[string]string) {
+	packs[lang] = pack
+}
+
+// langByCode maps a two-letter language code to the IUP language name.
+var langByCode = map[string]string{
+	"en": "ENGLISH",
+	"pt": "PORTUGUESE",
+	"es": "SPANISH",
+	"cs": "CZECH",
+	"ru": "RUSSIAN",
+	"de": "GERMAN",
+	"fr": "FRENCH",
+	"zh": "CHINESE",
+	"ja": "JAPANESE",
+	"it": "ITALIAN",
+}
+
+// Lng wraps a message key for IUP's automatic language-string lookup.
+func Lng(key string) string {
+	return "_@" + key
+}
+
+// Str returns the translated string for a key, for use where IUP's "_@" prefix does not apply.
+func Str(key string) string {
+	return iup.GetLanguageString(key)
+}
+
+// Init detects the system language, switches IUP's predefined strings to it, and registers the message packs.
+func Init() {
+	lang := detect()
+	iup.SetLanguage(lang)
+
+	registerPack(packs["ENGLISH"])
+	if lang != "ENGLISH" {
+		if pack, ok := packs[lang]; ok {
+			registerPack(pack)
+		}
+	}
+}
+
+func registerPack(pack map[string]string) {
+	for name, value := range pack {
+		iup.SetLanguageString(name, value)
+	}
+}
+
+// detect returns the IUP language name for the system locale, or ENGLISH.
+func detect() string {
+	if name, ok := langByCode[systemLangCode()]; ok {
+		return name
+	}
+
+	return "ENGLISH"
+}