#3592 move keymap to a substructure

keep the old prefixed attributes present for backwards compatibility

xpra/client/keyboard_helper.py

@@ -313,7 +313,10 @@ def send_layout(self):
 
     def send_keymap(self):
         log("send_keymap()")
-        self.send("keymap-changed", self.get_keymap_properties())
+        props = self.get_prefixed_keymap_properties()
+        #legacy format: flat with 'xkbmap_' prefix:
+        props["keymap"] = self.get_keymap_properties()
+        self.send("keymap-changed", props)
 
 
     def update_hash(self):
@@ -335,6 +338,11 @@ def get_full_keymap(self):
         return []
 
 
+    def get_prefixed_keymap_properties(self):
+        key_props = self.get_keymap_properties()
+        #legacy format: flat with 'xkbmap_' prefix:
+        return dict((f"xkbmap_{k}", v) for k, v in key_props.items())
+
     def get_keymap_properties(self):
         props = {}
         for x in ("layout", "layouts", "variant", "variants",
@@ -343,10 +351,8 @@ def get_keymap_properties(self):
                   "mod_managed", "mod_pointermissing", "keycodes", "x11_keycodes"):
             p = "xkbmap_%s" % x
             v = getattr(self, p)
-            #replace None with empty string:
-            if v is None:
-                v = ""
-            props[p] = v
+            if v:
+                props[x] = v
         return  props
 
 

xpra/client/ui_client_base.py

@@ -735,15 +735,21 @@ def send_keyboard_sync_enabled_status(self, *_args):
     # keyboard:
     def get_keyboard_caps(self):
         caps = {}
-        if self.readonly or not self.keyboard_helper:
+        kh = self.keyboard_helper
+        if self.readonly or not kh:
             #don't bother sending keyboard info, as it won't be used
             caps["keyboard"] = False
         else:
-            caps.update(self.get_keymap_properties())
+            #legacy, unprefixed:
+            caps.update(kh.get_prefixed_keymap_properties())
+            caps.update({
+                "keyboard"  : True,
+                "keymap"    : kh.get_keymap_properties(),
+                "modifiers" :self.get_current_modifiers(),
+                })
             #show the user a summary of what we have detected:
             self.keyboard_helper.log_keyboard_info()
 
-            caps["modifiers"] = self.get_current_modifiers()
             delay_ms, interval_ms = self.keyboard_helper.key_repeat_delay, self.keyboard_helper.key_repeat_interval
             if delay_ms>0 and interval_ms>0:
                 caps["key_repeat"] = (delay_ms,interval_ms)
@@ -761,13 +767,6 @@ def window_keyboard_layout_changed(self, window):
         if self.keyboard_helper:
             self.keyboard_helper.keymap_changed()
 
-    def get_keymap_properties(self):
-        if not self.keyboard_helper:
-            return {}
-        props = self.keyboard_helper.get_keymap_properties()
-        props["modifiers"] = self.get_current_modifiers()
-        return props
-
     def handle_key_action(self, window, key_event):
         if self.readonly or self.keyboard_helper is None:
             return False