Add a kitten to get/set the clipboard via OSC 52

kittens/tui/handler.py

@@ -67,6 +67,9 @@ class Handler:
     def on_kitty_cmd_response(self, response):
         pass
 
+    def on_clipboard_response(self, text, from_primary=False):
+        pass
+
     def write(self, data):
         if isinstance(data, str):
             data = data.encode('utf-8')

kittens/tui/loop.py

@@ -265,7 +265,15 @@ class Loop:
         pass
 
     def _on_osc(self, osc):
-        pass
+        m = re.match(r'(\d+);', osc)
+        if m is not None:
+            code = int(m.group(1))
+            rest = osc[m.end():]
+            if code == 52:
+                where, rest = rest.partition(';')[::2]
+                from_primary = 'p' in where
+                from base64 import standard_b64decode
+                self.handler.on_clipboard_response(standard_b64decode(rest).decode('utf-8'), from_primary)
 
     def _on_apc(self, apc):
         if apc.startswith('K'):

kittens/tui/operations.py

@@ -231,6 +231,17 @@ def set_default_colors(fg=None, bg=None) -> str:
     return ans
 
 
+def write_to_clipboard(data, use_primary=False) -> str:
+    if isinstance(data, str):
+        data = data.encode('utf-8')
+    from base64 import standard_b64encode
+    return '\x1b]52;{};{}\x07'.format('p' if use_primary else 'c', standard_b64encode(data).decode('ascii'))
+
+
+def request_from_clipboard(use_primary=False) -> str:
+    return '\x1b]52;{};?\x07'.format('p' if use_primary else 'c')
+
+
 all_cmds = tuple(
         (name, obj) for name, obj in globals().items()
         if hasattr(obj, '__annotations__') and obj.__annotations__.get('return') is str)