Use an overlay window for window resizing

Also implement a remote command to resize windows

kittens/tui/handler.py

@@ -61,6 +61,9 @@ class Handler:
     def on_job_done(self, job_id, job_result):
         pass
 
+    def on_kitty_cmd_response(self, response):
+        pass
+
     def write(self, data):
         if isinstance(data, str):
             data = data.encode('utf-8')

kittens/tui/loop.py

@@ -236,7 +236,9 @@ class Loop:
                 self.handler.on_text(chunk, self.in_bracketed_paste)
 
     def _on_dcs(self, dcs):
-        pass
+        if dcs.startswith('@kitty-cmd'):
+            import json
+            self.handler.on_kitty_cmd_response(json.loads(dcs[len('@kitty-cmd'):]))
 
     def _on_csi(self, csi):
         q = csi[-1]

kittens/tui/operations.py

@@ -58,6 +58,10 @@ def bell() -> str:
     return '\a'
 
 
+def beep() -> str:
+    return '\a'
+
+
 def set_window_title(value) -> str:
     return ('\033]2;' + value.replace('\033', '').replace('\x9c', '') + '\033\\')
 
@@ -94,6 +98,7 @@ def scroll_screen(amt=1) -> str:
 
 STANDARD_COLORS = {name: i for i, name in enumerate(
     'black red green yellow blue magenta cyan gray'.split())}
+STANDARD_COLORS['white'] = STANDARD_COLORS['gray']
 UNDERLINE_STYLES = {name: i + 1 for i, name in enumerate(
     'straight double curly'.split())}