work around a toolkit panic()v0.12.11

    things should work when
        GUI is not really there
    Int() and Bool()
    helloworld works
    compiles and runs
    RawWindow shouldn't auto exit
    add StandardExit()

    Signed-off-by: Jeff Carr <[email protected]>

Signed-off-by: Jeff Carr <[email protected]>

1 files changed, 8 insertions, 1 deletions

diff --git a/structs.go b/structs.go
index 7139cea..f9bfed5 100644
--- a/structs.go
+++ b/structs.go
@@ -38,6 +38,9 @@ type guiConfig struct {
 	// a toolkit requirement. never allow more than one per program
 	initOnce sync.Once
 
+	// locking for the binary tree
+	muTree sync.Mutex
+
 	// This is the master node. The Binary Tree starts here
 	rootNode *Node
 
@@ -87,18 +90,22 @@ type Node struct {
 	hidden	bool // don't update the toolkits when it's hidden
 	changed bool // do we need to inform the toolkit something changed?
 	enabled bool // if false, then the the user can't click on it
+	mu sync.Mutex
 
 	WidgetType	widget.WidgetType
 
 	// most widgets need one value, this is current alue
 	value	any
 
+	//
+	label string
+
 	// this can programatically identify the widget
 	// The name must be unique
 	progname string  // a name useful for debugging
 
 	// for widgets that a user select from a list of strings
-	strings []string
+	strings map[string]int
 
 	// how to arrange widgets
 	direction widget.Orientation