Make default shortcuts editable

cointop/config.go

@@ -366,14 +366,44 @@ func (ct *Cointop) loadTableColumnsFromConfig() error {
 // LoadShortcutsFromConfig loads keyboard shortcuts from config file to struct
 func (ct *Cointop) loadShortcutsFromConfig() error {
 	log.Debug("loadShortcutsFromConfig()")
+
+	// Load the shortcut config into a key:action map (filtering to actions that exist). Keep track of actions.
+	config := make(map[string]string)
+	actions := make(map[string]bool)
 	for k, ifc := range ct.config.Shortcuts {
 		if v, ok := ifc.(string); ok {
 			if !ct.ActionExists(v) {
+				log.Debugf("Shortcut '%s'=>%s is not a valid action", k, v)
 				continue
 			}
-			ct.State.shortcutKeys[k] = v
+			config[k] = v
+			actions[v] = true
 		}
 	}
+
+	// Count how many keys are configured per action.
+	actionCount := make(map[string]int)
+	for _, action := range ct.State.shortcutKeys {
+		actionCount[action] += 1
+	}
+
+	// merge defaults into the loaded config - if the key is not defined, and the action is not found, add it
+	for key, action := range ct.State.shortcutKeys {
+		if _, ok := config[key]; ok {
+			// k is already in the config - ignore it
+		} else if _, ok := actions[action]; ok {
+			if actionCount[action] == 1 {
+				// action is already in the config - ignore it
+			} else {
+				// there are multiple bindings, add them anyway
+				config[key] = action // add action
+			}
+		} else {
+			config[key] = action // add action
+		}
+	}
+	ct.State.shortcutKeys = config
+
 	return nil
 }