Merge branch 'copilot/add-dnd-command-support' of https://github.com/kovidgoyal/kitty

kitty/boss.py

@@ -308,7 +308,7 @@ def fmt(x: Any) -> Any:
                 if isinstance(x, (bytes, memoryview)):
                     return str(x, 'utf-8', 'replace')
                 if isinstance(x, dict):
-                    return json.dumps(x)
+                    return json.dumps({k: fmt(v) for k, v in x.items()})
                 return x
             safe_print(what, *map(fmt, a), flush=True)
 # }}}

kitty/client.py

@@ -12,7 +12,7 @@
 from contextlib import suppress
 from typing import Any
 
-from .fast_data_types import TEXT_SIZE_CODE
+from .fast_data_types import DND_CODE, TEXT_SIZE_CODE
 
 CSI = '\x1b['
 OSC = '\x1b]'
@@ -278,6 +278,30 @@ def clipboard_control(payload: str) -> None:
     write(f'{OSC}{payload}\x07')
 
 
+def dnd_command(payload: str) -> None:
+    c = json.loads(payload)
+    text = c.pop('', '')
+    t = c.pop('type', 'a')
+    if isinstance(t, (bytes, memoryview)):
+        t = str(t, 'utf-8', 'replace')
+    m = f't={t}'
+    if (more := c.pop('more', None)):
+        m += f':m={more}'
+    if (client_id := c.pop('client_id', None)):
+        m += f':i={client_id}'
+    if (operation := c.pop('operation', None)):
+        m += f':o={operation}'
+    if (cell_x := c.pop('cell_x', None)):
+        m += f':x={cell_x}'
+    if (cell_y := c.pop('cell_y', None)):
+        m += f':y={cell_y}'
+    if (pixel_x := c.pop('pixel_x', None)):
+        m += f':X={pixel_x}'
+    if (pixel_y := c.pop('pixel_y', None)):
+        m += f':Y={pixel_y}'
+    write(f'{OSC}{DND_CODE};{m};{text}\x1b\\')
+
+
 def multicell_command(payload: str) -> None:
     c = json.loads(payload)
     text = c.pop('', '')
@@ -306,7 +330,7 @@ def screen_multi_cursor(rest: str) -> None:
 def replay(raw: str) -> None:
     specials = frozenset({
         'draw', 'set_title', 'set_icon', 'set_dynamic_color', 'set_color_table_color', 'select_graphic_rendition',
-        'process_cwd_notification', 'clipboard_control', 'shell_prompt_marking', 'multicell_command', 'screen_multi_cursor',
+        'process_cwd_notification', 'clipboard_control', 'shell_prompt_marking', 'multicell_command', 'screen_multi_cursor', 'dnd_command',
     })
     for line in raw.splitlines():
         if line.strip() and not line.startswith('#'):