0x0/modui/mpvwidget.py

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import time
import fcntl, struct, termios
from sys import stdout
from textual import events, log
from textual.widgets import Static
from fhost import app as fhost_app
class MpvWidget(Static):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.mpv = None
self.vo = fhost_app.config.get("MOD_PREVIEW_PROTO")
if not self.vo in ["sixel", "kitty"]:
self.update("⚠ Previews not enabled. \n\nSet MOD_PREVIEW_PROTO to 'sixel' or 'kitty' in config.py,\nwhichever is supported by your terminal.")
else:
try:
import mpv
self.mpv = mpv.MPV()
self.mpv.profile = "sw-fast"
self.mpv["vo"] = self.vo
self.mpv[f"vo-{self.vo}-config-clear"] = False
self.mpv[f"vo-{self.vo}-alt-screen"] = False
self.mpv[f"vo-sixel-buffered"] = True
self.mpv["audio"] = False
self.mpv["loop-file"] = "inf"
self.mpv["image-display-duration"] = 0.5 if self.vo == "sixel" else "inf"
except Exception as e:
self.mpv = None
self.update(f"⚠ Previews require python-mpv with libmpv 0.36.0 or later \n\nError was:\n{type(e).__name__}: {e}")
def start_mpv(self, f: str|None = None, pos: float|str|None = None) -> None:
self.display = True
self.screen._refresh_layout()
if self.mpv:
if self.content_region.x:
r, c, w, h = struct.unpack('hhhh', fcntl.ioctl(0, termios.TIOCGWINSZ, '12345678'))
width = int((w / c) * self.content_region.width)
height = int((h / r) * (self.content_region.height + (1 if self.vo == "sixel" else 0)))
self.mpv[f"vo-{self.vo}-left"] = self.content_region.x + 1
self.mpv[f"vo-{self.vo}-top"] = self.content_region.y + 1
self.mpv[f"vo-{self.vo}-rows"] = self.content_region.height + (1 if self.vo == "sixel" else 0)
self.mpv[f"vo-{self.vo}-cols"] = self.content_region.width
self.mpv[f"vo-{self.vo}-width"] = width
self.mpv[f"vo-{self.vo}-height"] = height
if pos != None:
self.mpv["start"] = pos
if f:
self.mpv.loadfile(f)
else:
self.mpv.playlist_play_index(0)
def stop_mpv(self, wait: bool = False) -> None:
if self.mpv:
if not self.mpv.idle_active:
self.mpv.stop(True)
if wait:
time.sleep(0.1)
self.clear_mpv()
self.display = False
def on_resize(self, size) -> None:
if self.mpv:
if not self.mpv.idle_active:
t = self.mpv.time_pos
self.stop_mpv()
if t:
self.mpv["start"] = t
self.start_mpv()
def clear_mpv(self) -> None:
if self.vo == "kitty":
stdout.write("\033_Ga=d;\033\\")
stdout.flush()
def shutdown(self) -> None:
if self.mpv:
self.mpv.stop()
del self.mpv
if self.vo == "kitty":
stdout.write("\033_Ga=d;\033\\\033[?25l")
stdout.flush()