The language selection is remembered.

Added a setting for changing the language.

src/convertor/view.go

@@ -17,6 +17,9 @@ type ViewContract interface {
 	Main(
 		runConvert func(setting HandleConvertSetting, progressbar *widget.ProgressBar) error,
 	)
+	SelectFFPath(
+		func(ffmpegPath string, ffprobePath string) error,
+	)
 }
 
 type View struct {

src/convertor/view_setting.go

@@ -0,0 +1,109 @@
+package convertor
+
+import (
+	"ffmpegGui/helper"
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/widget"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"image/color"
+	"net/url"
+)
+
+func (v View) SelectFFPath(save func(ffmpegPath string, ffprobePath string) error) {
+	errorMessage := canvas.NewText("", color.RGBA{255, 0, 0, 255})
+	errorMessage.TextSize = 16
+	errorMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	ffmpegPath, buttonFFmpeg, buttonFFmpegMessage := v.getButtonSelectFile()
+	ffprobePath, buttonFFprobe, buttonFFprobeMessage := v.getButtonSelectFile()
+
+	link := widget.NewHyperlink("https://ffmpeg.org/download.html", &url.URL{
+		Scheme: "https",
+		Host:   "ffmpeg.org",
+		Path:   "download.html",
+	})
+
+	form := &widget.Form{
+		Items: []*widget.FormItem{
+			{
+				Text: v.localizerService.GetMessage(&i18n.LocalizeConfig{
+					MessageID: "titleDownloadLink",
+				}),
+				Widget: link,
+			},
+			{
+				Text: v.localizerService.GetMessage(&i18n.LocalizeConfig{
+					MessageID: "pathToFfmpeg",
+				}),
+				Widget: buttonFFmpeg,
+			},
+			{
+				Widget: buttonFFmpegMessage,
+			},
+			{
+				Text: v.localizerService.GetMessage(&i18n.LocalizeConfig{
+					MessageID: "pathToFfprobe",
+				}),
+				Widget: buttonFFprobe,
+			},
+			{
+				Widget: buttonFFprobeMessage,
+			},
+			{
+				Widget: errorMessage,
+			},
+		},
+		SubmitText: v.localizerService.GetMessage(&i18n.LocalizeConfig{
+			MessageID: "save",
+		}),
+		OnSubmit: func() {
+			err := save(string(*ffmpegPath), string(*ffprobePath))
+			if err != nil {
+				errorMessage.Text = err.Error()
+			}
+		},
+	}
+	selectFFPathTitle := v.localizerService.GetMessage(&i18n.LocalizeConfig{
+		MessageID: "selectFFPathTitle",
+	})
+	v.w.SetContent(widget.NewCard(selectFFPathTitle, "", container.NewVBox(form)))
+}
+
+func (v View) getButtonSelectFile() (filePath *string, button *widget.Button, buttonMessage *canvas.Text) {
+	path := ""
+	filePath = &path
+
+	buttonMessage = canvas.NewText("", color.RGBA{255, 0, 0, 255})
+	buttonMessage.TextSize = 16
+	buttonMessage.TextStyle = fyne.TextStyle{Bold: true}
+
+	buttonTitle := v.localizerService.GetMessage(&i18n.LocalizeConfig{
+		MessageID: "choose",
+	})
+
+	button = widget.NewButton(buttonTitle, func() {
+		fileDialog := dialog.NewFileOpen(
+			func(r fyne.URIReadCloser, err error) {
+				if err != nil {
+					buttonMessage.Text = err.Error()
+					setStringErrorStyle(buttonMessage)
+					return
+				}
+				if r == nil {
+					return
+				}
+
+				path = r.URI().Path()
+
+				buttonMessage.Text = r.URI().Path()
+				setStringSuccessStyle(buttonMessage)
+			}, v.w)
+		helper.FileDialogResize(fileDialog, v.w)
+		fileDialog.Show()
+	})
+
+	return
+}