(feature): uncheck mark if error appears

ui/main.go

@@ -14,6 +14,7 @@ type Program struct {
 	App          fyne.App
 	ParentWindow fyne.Window
 	RunString    string
+	RunCheck     *widget.Check
 	Config       *Config
 	Cmd          *exec.Cmd
 }
@@ -47,7 +48,7 @@ func (p *Program) Run() {
 		p.settingsWindow()
 	})
 
-	runCheck := widget.NewCheck("Run", func(b bool) {
+	p.RunCheck = widget.NewCheck("Run", func(b bool) {
 		if b {
 			log("Run enabled")
 			p.olcrtcRun()
@@ -59,7 +60,7 @@ func (p *Program) Run() {
 
 	w.SetContent(container.NewBorder(
 		settingsBtn,
-		runCheck, nil, nil,
+		p.RunCheck, nil, nil,
 	))
 	log("Window created and running...")
 	w.ShowAndRun()

ui/process.go

@@ -12,6 +12,7 @@ func (p *Program) olcrtcRun() {
 	if p.RunString == "" {
 		log("ERROR: Run string is empty. Please configure settings first.")
 		p.showError(fmt.Errorf("run string is empty - please configure settings"))
+		p.MarkUncheck()
 		return
 	}
 
@@ -21,12 +22,14 @@ func (p *Program) olcrtcRun() {
 		log("ERROR: Failed to start olcrtc: %v", err)
 		p.showError(err)
 		p.Cmd = nil
+		p.MarkUncheck()
 	} else {
 		log("olcrtc process started (PID: %d)", p.Cmd.Process.Pid)
 		go func() {
-			err := p.Cmd.Wait()
+			err = p.Cmd.Wait()
 			if err != nil {
 				log("olcrtc process exited with error: %v", err)
+				p.MarkUncheck()
 			} else {
 				log("olcrtc process exited successfully")
 			}

ui/ui.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 
+	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/dialog"
 	"fyne.io/fyne/v2/theme"
@@ -68,3 +69,10 @@ func (p *Program) buildRunString(conferenceId, encryptionKey, socksPort, dns str
 func (p *Program) showError(err error) {
 	dialog.ShowError(err, p.ParentWindow)
 }
+
+// fyne.Do used here to execute function in the main context frame
+// we can just paste p.RunCheck.SetChecked(false) and that'll work. but if so
+// there'll be a bunch of warnings(thread safety)
+func (p *Program) MarkUncheck() {
+	fyne.Do(func() { p.RunCheck.SetChecked(false) })
+}