fix: Add interface to obtain all keyboard layouts

Add interface to obtain all keyboard layouts

pms: BUG-320219

Author: caixr23

inputdevices1/exported_methods_auto.go

@@ -78,6 +78,18 @@ func (kbd *Keyboard) LayoutList() (map[string]string, *dbus.Error) {
 	return result, nil
 }
 
+func (kbd *Keyboard) AllLayoutList() (map[string]string, *dbus.Error) {
+	result := kbd.layoutMap.getAll()
+	kbd.PropsMu.RLock()
+	for _, layout := range kbd.UserLayoutList {
+		layoutDetail := kbd.layoutMap[layout]
+		result[layout] = layoutDetail.Description
+	}
+	kbd.PropsMu.RUnlock()
+
+	return result, nil
+}
+
 func (kbd *Keyboard) GetLayoutDesc(layout string) (string, *dbus.Error) {
 	if len(layout) == 0 {
 		return "", nil

inputdevices1/ifc.go

@@ -114,6 +114,14 @@ func (layoutMap layoutMap) filterByLocales(locales []string) map[string]string {
 	return result
 }
 
+func (layoutMap layoutMap) getAll() map[string]string {
+	result := make(map[string]string)
+	for layout, layoutDetail := range layoutMap {
+		result[layout] = layoutDetail.Description
+	}
+	return result
+}
+
 func (v *layoutDetail) matchAnyLang(languages []string) bool {
 	for _, l := range languages {
 		for _, ll := range v.Languages {