#567: add missing "is_modifier" function that got lost during merge. …

…Re-add it from "ServerBase.is_modifier" since we already use this flag for key repeat.

Note: this may be a bit more lax since we also match the modifier key by keysym, but this should also be fine.

git-svn-id: https://xpra.org/svn/Xpra/trunk@6522 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/server/server_base.py

@@ -1361,7 +1361,12 @@ def get_keycode(self, ss, client_keycode, keyname, modifiers):
         return ss.get_keycode(client_keycode, keyname, modifiers)
 
     def is_modifier(self, keyname, keycode):
-        return keyname in DEFAULT_MODIFIER_MEANINGS.keys()
+        if keyname in DEFAULT_MODIFIER_MEANINGS.keys():
+            return True
+        #keyboard config should always exist if we are here?
+        if self.keyboard_config:
+            return self.keyboard_config.is_modifier(keycode)
+        return False
 
     def fake_key(self, keycode, press):
         pass
@@ -1389,10 +1394,11 @@ def unpress():
             if keycode in self.keys_pressed:
                 del self.keys_pressed[keycode]
             self.fake_key(keycode, False)
+        is_mod = self.is_modifier(name, keycode)
         if pressed:
             if keycode not in self.keys_pressed:
                 press()
-                if not self.keyboard_sync and not self.keyboard_config.is_modifier(keycode):
+                if not self.keyboard_sync and not is_mod:
                     #keyboard is not synced: client manages repeat so unpress
                     #it immediately unless this is a modifier key
                     #(as modifiers are synced via many packets: key, focus and mouse events)
@@ -1404,7 +1410,6 @@ def unpress():
                 unpress()
             else:
                 keylog("handle keycode %s: key %s was already unpressed, ignoring", keycode, name)
-        is_mod = self.is_modifier(name, keycode)
         if not is_mod and self.keyboard_sync and self.key_repeat_delay>0 and self.key_repeat_interval>0:
             self._key_repeat(wid, pressed, name, keyval, keycode, modifiers, self.key_repeat_delay)
 

src/xpra/x11/server_keyboard_config.py

@@ -186,6 +186,15 @@ def compute_modifier_map(self):
         log("modifier_map(%s)=%s", self.xkbmap_mod_meanings, self.modifier_map)
 
 
+    def is_modifier(self, keycode):
+        for mod, keys in self.keycodes_for_modifier_keynames.items():
+            if keycode in keys:
+                log("is_modifier(%s) found modifier: %s", keycode, mod)
+                return True
+        log("is_modifier(%s) not found", keycode)
+        return False
+
+
     def set_keymap(self):
         if not self.enabled:
             return