feat: prefer to use direct implementation of graphics protocol over external tools

viu_media/assets/scripts/fzf/preview.py

@@ -163,6 +163,35 @@ def fzf_image_preview(file_path: str):
         )
 
 
+def fzf_text_preview(file_path: str):
+    from base64 import standard_b64encode
+
+    def serialize_gr_command(**cmd):
+        payload = cmd.pop("payload", None)
+        cmd = ",".join(f"{k}={v}" for k, v in cmd.items())
+        ans = []
+        w = ans.append
+        w(b"\033_G")
+        w(cmd.encode("ascii"))
+        if payload:
+            w(b";")
+            w(payload)
+        w(b"\033\\")
+        return b"".join(ans)
+
+    def write_chunked(**cmd):
+        data = standard_b64encode(cmd.pop("data"))
+        while data:
+            chunk, data = data[:4096], data[4096:]
+            m = 1 if data else 0
+            sys.stdout.buffer.write(serialize_gr_command(payload=chunk, m=m, **cmd))
+            sys.stdout.flush()
+            cmd.clear()
+
+    with open(file_path, "rb") as f:
+        write_chunked(a="T", f=100, data=f.read())
+
+
 console = Console(force_terminal=True, color_system="truecolor")
 if PREVIEW_MODE == "image" or PREVIEW_MODE == "full":
     preview_image_path = IMAGE_CACHE_DIR / f"{hash}.png"