calls back to the apps' main/argv.go but what next?

1 files changed, 11 insertions, 3 deletions

diff --git a/interface.go b/interface.go
index 0dad2ac..8363a63 100644
--- a/interface.go
+++ b/interface.go
@@ -33,6 +33,12 @@ type examplesI interface {
 	Examples() string
 }
 
+type guiI interface {
+	// Version returns the version string that will be printed on a line by itself
+	// at the top of the help message.
+	ArgvGui() error
+}
+
 type exitI interface {
 	// allows a custom app Exit()
 	Exit()
@@ -49,13 +55,15 @@ func findAppInfo(tmp interface{}) {
 	if tmp, ok := tmp.(buildtimeI); ok {
 		myAuto.buildtime = tmp.Buildtime
 	} else {
-		// panic("you need to make the function argv.Appname()")
+		// panic("your app is missing (argv) func Buildtime() (string, string)")
 	}
 
 	if tmp, ok := tmp.(examplesI); ok {
 		myAuto.examples = tmp.Examples
-	} else {
-		// panic("you need to make the function argv.Appname()")
+	}
+
+	if tmp, ok := tmp.(guiI); ok {
+		myAuto.guiFunc = tmp.ArgvGui
 	}
 
 	if tmp, ok := tmp.(autoFuncI); ok {