add keymap, handle wrapper for common keybindings

keys.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	ui "github.com/gizak/termui"
+)
+
+// Common action keybindings
+var keyMap = map[string][]string{
+	"up": []string{
+		"/sys/kbd/<up>",
+		"/sys/kbd/k",
+	},
+	"down": []string{
+		"/sys/kbd/<down>",
+		"/sys/kbd/j",
+	},
+	"exit": []string{
+		"/sys/kbd/q",
+		"/sys/kbd/C-c",
+	},
+	"help": []string{
+		"/sys/kbd/h",
+		"/sys/kbd/?",
+	},
+}
+
+// Apply a common handler function to all given keys
+func HandleKeys(i string, f func()) {
+	for _, k := range keyMap[i] {
+		ui.Handle(k, func(ui.Event) { f() })
+	}
+}