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import logging
import os
import threading
from pathlib import Path
from PyQt6.QtCore import Qt, QTimer, pyqtSignal
from PyQt6.QtGui import QFont
from PyQt6.QtWidgets import (
QApplication,
QColorDialog,
QComboBox,
QDoubleSpinBox,
QFontComboBox,
QGridLayout,
QGroupBox,
QHBoxLayout,
QLabel,
QListWidget,
QListWidgetItem,
QMessageBox,
QPushButton,
QSlider,
QSpinBox,
QTabWidget,
QTextEdit,
QVBoxLayout,
QWidget,
)
from benchmark import run_benchmark
from dialogs import (
ModelEditDialog,
)
from model_manager import (
MODELS_DIR,
dir_size,
format_size,
get_cache_entries,
)
from i18n import t
log = logging.getLogger("LiveTrans.Panel")
SETTINGS_FILE = Path(__file__).parent / "user_settings.json"
def _load_saved_settings() -> dict | None:
try:
if SETTINGS_FILE.exists():
data = json.loads(SETTINGS_FILE.read_text(encoding="utf-8"))
log.info(f"Loaded saved settings from {SETTINGS_FILE}")
return data
except Exception as e:
log.warning(f"Failed to load settings: {e}")
return None
def _save_settings(settings: dict):
try:
tmp = SETTINGS_FILE.with_suffix(".tmp")
tmp.write_text(
json.dumps(settings, indent=2, ensure_ascii=False), encoding="utf-8"
)
tmp.replace(SETTINGS_FILE)
log.info(f"Settings saved to {SETTINGS_FILE}")
except Exception as e:
log.warning(f"Failed to save settings: {e}")
class ControlPanel(QWidget):
"""Settings and monitoring panel."""
settings_changed = pyqtSignal(dict)
model_changed = pyqtSignal(dict)
_bench_result = pyqtSignal(str)
_cache_result = pyqtSignal(list)
def __init__(self, config, saved_settings=None):
super().__init__()
self._config = config
self.setWindowTitle(t("window_control_panel"))
self.setMinimumSize(480, 560)
self.resize(520, 650)
saved = saved_settings or _load_saved_settings()
if saved:
self._current_settings = saved
else:
tc = config["translation"]
self._current_settings = {
"vad_mode": "silero",
"vad_threshold": config["asr"]["vad_threshold"],
"energy_threshold": 0.02,
"min_speech_duration": config["asr"]["min_speech_duration"],
"max_speech_duration": config["asr"]["max_speech_duration"],
"silence_mode": "auto",
"silence_duration": 0.8,
"asr_language": config["asr"].get("language", "auto"),
"asr_engine": "sensevoice",
"asr_device": "cuda",
"models": [
{
"name": f"{tc['model']}",
"api_base": tc["api_base"],
"api_key": tc["api_key"],
"model": tc["model"],
}
],
"active_model": 0,
"hub": "ms",
}
if "models" not in self._current_settings:
tc = config["translation"]
self._current_settings["models"] = [
{
"name": f"{tc['model']}",
"api_base": tc["api_base"],
"api_key": tc["api_key"],
"model": tc["model"],
}
]
self._current_settings["active_model"] = 0
layout = QVBoxLayout(self)
tabs = QTabWidget()
tabs.addTab(self._create_vad_tab(), t("tab_vad_asr"))
tabs.addTab(self._create_translation_tab(), t("tab_translation"))
tabs.addTab(self._create_style_tab(), t("tab_style"))
tabs.addTab(self._create_benchmark_tab(), t("tab_benchmark"))
self._cache_tab_index = tabs.addTab(self._create_cache_tab(), t("tab_cache"))
tabs.currentChanged.connect(self._on_tab_changed)
layout.addWidget(tabs)
self._bench_result.connect(self._on_bench_result)
self._cache_result.connect(self._on_cache_result)
self._save_timer = QTimer()
self._save_timer.setSingleShot(True)
self._save_timer.setInterval(300)
self._save_timer.timeout.connect(self._do_auto_save)
# ── VAD / ASR Tab ──
def _create_vad_tab(self):
widget = QWidget()
layout = QVBoxLayout(widget)
s = self._current_settings
asr_group = QGroupBox(t("group_asr_engine"))
asr_layout = QGridLayout(asr_group)
self._asr_engine = QComboBox()
self._asr_engine.addItems(
[
"Whisper (faster-whisper)",
"SenseVoice (FunASR)",
"Fun-ASR-Nano (FunASR)",
"Fun-ASR-MLT-Nano (FunASR, 31 langs)",
]
)
engine_map_idx = {
"whisper": 0,
"sensevoice": 1,
"funasr-nano": 2,
"funasr-mlt-nano": 3,
}
engine_idx = engine_map_idx.get(s.get("asr_engine"), 0)
self._asr_engine.setCurrentIndex(engine_idx)
asr_layout.addWidget(QLabel(t("label_engine")), 0, 0)
asr_layout.addWidget(self._asr_engine, 0, 1)
self._asr_engine.currentIndexChanged.connect(self._auto_save)
self._asr_lang = QComboBox()
self._asr_lang.addItems(
["auto", "ja", "en", "zh", "ko", "fr", "de", "es", "ru"]
)
lang = s.get("asr_language", self._config["asr"].get("language", "auto"))
idx = self._asr_lang.findText(lang)
if idx >= 0:
self._asr_lang.setCurrentIndex(idx)
asr_layout.addWidget(QLabel(t("label_language_hint")), 1, 0)
asr_layout.addWidget(self._asr_lang, 1, 1)
self._asr_lang.currentIndexChanged.connect(self._auto_save)
self._asr_device = QComboBox()
devices = ["cuda", "cpu"]
try:
import torch
for i in range(torch.cuda.device_count()):
name = torch.cuda.get_device_name(i)
devices.insert(i, f"cuda:{i} ({name})")
if torch.cuda.device_count() > 0:
devices = [d for d in devices if d != "cuda"]
except Exception:
pass
self._asr_device.addItems(devices)
saved_dev = s.get("asr_device", self._config["asr"].get("device", "cuda"))
for i in range(self._asr_device.count()):
if self._asr_device.itemText(i).startswith(saved_dev):
self._asr_device.setCurrentIndex(i)
break
asr_layout.addWidget(QLabel(t("label_device")), 2, 0)
asr_layout.addWidget(self._asr_device, 2, 1)
self._asr_device.currentIndexChanged.connect(self._auto_save)
self._audio_device = QComboBox()
self._audio_device.addItem(t("system_default"))
try:
from audio_capture import list_output_devices
for name in list_output_devices():
self._audio_device.addItem(name)
except Exception:
pass
saved_audio = s.get("audio_device")
if saved_audio:
idx = self._audio_device.findText(saved_audio)
if idx >= 0:
self._audio_device.setCurrentIndex(idx)
asr_layout.addWidget(QLabel(t("label_audio")), 3, 0)
asr_layout.addWidget(self._audio_device, 3, 1)
self._audio_device.currentIndexChanged.connect(self._auto_save)
self._hub_combo = QComboBox()
self._hub_combo.addItems([t("hub_modelscope"), t("hub_huggingface")])
saved_hub = s.get("hub", "ms")
self._hub_combo.setCurrentIndex(0 if saved_hub == "ms" else 1)
asr_layout.addWidget(QLabel(t("label_hub")), 4, 0)
asr_layout.addWidget(self._hub_combo, 4, 1)
self._hub_combo.currentIndexChanged.connect(self._auto_save)
self._ui_lang_combo = QComboBox()
self._ui_lang_combo.addItems(["English", "中文"])
saved_lang = s.get("ui_lang", "en")
self._ui_lang_combo.setCurrentIndex(0 if saved_lang == "en" else 1)
asr_layout.addWidget(QLabel(t("label_ui_lang")), 5, 0)
asr_layout.addWidget(self._ui_lang_combo, 5, 1)
self._ui_lang_combo.currentIndexChanged.connect(self._on_ui_lang_changed)
layout.addWidget(asr_group)
mode_group = QGroupBox(t("group_vad_mode"))
mode_layout = QVBoxLayout(mode_group)
self._vad_mode = QComboBox()
self._vad_mode.addItems(
[t("vad_silero"), t("vad_energy"), t("vad_disabled")]
)
mode_map = {"silero": 0, "energy": 1, "disabled": 2}
self._vad_mode.setCurrentIndex(mode_map.get(s.get("vad_mode", "energy"), 1))
self._vad_mode.currentIndexChanged.connect(self._on_vad_mode_changed)
self._vad_mode.currentIndexChanged.connect(self._auto_save)
mode_layout.addWidget(self._vad_mode)
layout.addWidget(mode_group)
silero_group = QGroupBox(t("group_silero_threshold"))
silero_layout = QGridLayout(silero_group)
self._vad_threshold_slider = QSlider(Qt.Orientation.Horizontal)
self._vad_threshold_slider.setRange(0, 100)
vad_pct = int(s.get("vad_threshold", 0.5) * 100)
self._vad_threshold_slider.setValue(vad_pct)
self._vad_threshold_slider.valueChanged.connect(self._on_threshold_changed)
self._vad_threshold_slider.sliderReleased.connect(self._auto_save)
self._vad_threshold_label = QLabel(f"{vad_pct}%")
self._vad_threshold_label.setFont(QFont("Consolas", 11, QFont.Weight.Bold))
silero_layout.addWidget(QLabel(t("label_threshold")), 0, 0)
silero_layout.addWidget(self._vad_threshold_slider, 0, 1)
silero_layout.addWidget(self._vad_threshold_label, 0, 2)
layout.addWidget(silero_group)
energy_group = QGroupBox(t("group_energy_threshold"))
energy_layout = QGridLayout(energy_group)
self._energy_slider = QSlider(Qt.Orientation.Horizontal)
self._energy_slider.setRange(1, 100)
energy_pm = int(s.get("energy_threshold", 0.03) * 1000)
self._energy_slider.setValue(energy_pm)
self._energy_slider.valueChanged.connect(self._on_energy_changed)
self._energy_slider.sliderReleased.connect(self._auto_save)
self._energy_label = QLabel(f"{energy_pm}\u2030")
self._energy_label.setFont(QFont("Consolas", 11, QFont.Weight.Bold))
energy_layout.addWidget(QLabel(t("label_threshold")), 0, 0)
energy_layout.addWidget(self._energy_slider, 0, 1)
energy_layout.addWidget(self._energy_label, 0, 2)
layout.addWidget(energy_group)
timing_group = QGroupBox(t("group_timing"))
timing_layout = QGridLayout(timing_group)
self._min_speech = QDoubleSpinBox()
self._min_speech.setRange(0.1, 5.0)
self._min_speech.setSingleStep(0.1)
self._min_speech.setValue(s.get("min_speech_duration", 1.0))
self._min_speech.setSuffix(" s")
self._min_speech.valueChanged.connect(self._on_timing_changed)
self._min_speech.valueChanged.connect(self._auto_save)
self._max_speech = QDoubleSpinBox()
self._max_speech.setRange(3.0, 30.0)
self._max_speech.setSingleStep(1.0)
self._max_speech.setValue(s.get("max_speech_duration", 8.0))
self._max_speech.setSuffix(" s")
self._max_speech.valueChanged.connect(self._on_timing_changed)
self._max_speech.valueChanged.connect(self._auto_save)
self._silence_mode = QComboBox()
self._silence_mode.addItems([t("silence_auto"), t("silence_fixed")])
saved_smode = s.get("silence_mode", "auto")
self._silence_mode.setCurrentIndex(0 if saved_smode == "auto" else 1)
self._silence_mode.currentIndexChanged.connect(self._on_silence_mode_changed)
self._silence_mode.currentIndexChanged.connect(self._on_timing_changed)
self._silence_mode.currentIndexChanged.connect(self._auto_save)
self._silence_duration = QDoubleSpinBox()
self._silence_duration.setRange(0.1, 3.0)
self._silence_duration.setSingleStep(0.1)
self._silence_duration.setValue(s.get("silence_duration", 0.8))
self._silence_duration.setSuffix(" s")
self._silence_duration.setEnabled(saved_smode != "auto")
self._silence_duration.valueChanged.connect(self._on_timing_changed)
self._silence_duration.valueChanged.connect(self._auto_save)
timing_layout.addWidget(QLabel(t("label_min_speech")), 0, 0)
timing_layout.addWidget(self._min_speech, 0, 1)
timing_layout.addWidget(QLabel(t("label_max_speech")), 1, 0)
timing_layout.addWidget(self._max_speech, 1, 1)
timing_layout.addWidget(QLabel(t("label_silence")), 2, 0)
timing_layout.addWidget(self._silence_mode, 2, 1)
timing_layout.addWidget(QLabel(t("label_silence_dur")), 3, 0)
timing_layout.addWidget(self._silence_duration, 3, 1)
layout.addWidget(timing_group)
layout.addStretch()
return widget
# ── Translation Tab ──
def _create_translation_tab(self):
widget = QWidget()
layout = QVBoxLayout(widget)
s = self._current_settings
active_group = QGroupBox(t("group_active_model"))
active_layout = QHBoxLayout(active_group)
self._active_model_combo = QComboBox()
self._refresh_model_combo()
active_idx = s.get("active_model", 0)
if 0 <= active_idx < self._active_model_combo.count():
self._active_model_combo.setCurrentIndex(active_idx)
self._active_model_combo.currentIndexChanged.connect(
self._on_active_model_changed
)
active_layout.addWidget(self._active_model_combo)
apply_model_btn = QPushButton(t("btn_apply"))
apply_model_btn.setFixedWidth(60)
apply_model_btn.clicked.connect(self._apply_active_model)
active_layout.addWidget(apply_model_btn)
layout.addWidget(active_group)
models_group = QGroupBox(t("group_model_configs"))
models_layout = QVBoxLayout(models_group)
self._model_list = QListWidget()
self._model_list.setFont(QFont("Consolas", 9))
self._model_list.itemDoubleClicked.connect(self._on_model_double_clicked)
self._refresh_model_list()
models_layout.addWidget(self._model_list)
btn_row = QHBoxLayout()
add_btn = QPushButton(t("btn_add"))
add_btn.clicked.connect(self._add_model)
btn_row.addWidget(add_btn)
edit_btn = QPushButton(t("btn_edit"))
edit_btn.clicked.connect(self._edit_model)
btn_row.addWidget(edit_btn)
dup_btn = QPushButton(t("btn_duplicate"))
dup_btn.clicked.connect(self._dup_model)
btn_row.addWidget(dup_btn)
del_btn = QPushButton(t("btn_remove"))
del_btn.clicked.connect(self._remove_model)
btn_row.addWidget(del_btn)
models_layout.addLayout(btn_row)
layout.addWidget(models_group)
prompt_group = QGroupBox(t("group_system_prompt"))
prompt_layout = QVBoxLayout(prompt_group)
from translator import DEFAULT_PROMPT
self._prompt_edit = QTextEdit()
self._prompt_edit.setFont(QFont("Consolas", 9))
self._prompt_edit.setMaximumHeight(100)
self._prompt_edit.setPlainText(s.get("system_prompt", DEFAULT_PROMPT))
prompt_layout.addWidget(self._prompt_edit)
prompt_btn_row = QHBoxLayout()
reset_prompt_btn = QPushButton(t("btn_restore_default"))
reset_prompt_btn.clicked.connect(
lambda: self._prompt_edit.setPlainText(DEFAULT_PROMPT)
)
prompt_btn_row.addWidget(reset_prompt_btn)
apply_prompt_btn = QPushButton(t("btn_apply_prompt"))
apply_prompt_btn.clicked.connect(self._apply_prompt)
prompt_btn_row.addWidget(apply_prompt_btn)
prompt_btn_row.addStretch()
prompt_layout.addLayout(prompt_btn_row)
layout.addWidget(prompt_group)
timeout_group = QGroupBox(t("group_timeout"))
timeout_layout = QHBoxLayout(timeout_group)
self._timeout_spin = QSpinBox()
self._timeout_spin.setRange(1, 60)
self._timeout_spin.setValue(s.get("timeout", 5))
self._timeout_spin.setSuffix(" s")
self._timeout_spin.valueChanged.connect(
lambda v: self._current_settings.update({"timeout": v})
)
self._timeout_spin.valueChanged.connect(self._auto_save)
timeout_layout.addWidget(self._timeout_spin)
timeout_layout.addStretch()
layout.addWidget(timeout_group)
layout.addStretch()
return widget
# ── Style Tab ──
def _create_style_tab(self):
from subtitle_overlay import DEFAULT_STYLE
widget = QWidget()
layout = QVBoxLayout(widget)
s = self._current_settings.get("style", dict(DEFAULT_STYLE))
# Preset group
preset_group = QGroupBox(t("group_preset"))
preset_layout = QHBoxLayout(preset_group)
self._style_preset = QComboBox()
preset_names = [
("default", t("preset_default")),
("transparent", t("preset_transparent")),
("compact", t("preset_compact")),
("light", t("preset_light")),
("dracula", t("preset_dracula")),
("nord", t("preset_nord")),
("monokai", t("preset_monokai")),
("solarized", t("preset_solarized")),
("gruvbox", t("preset_gruvbox")),
("tokyo_night", t("preset_tokyo_night")),
("catppuccin", t("preset_catppuccin")),
("one_dark", t("preset_one_dark")),
("everforest", t("preset_everforest")),
("kanagawa", t("preset_kanagawa")),
("custom", t("preset_custom")),
]
self._preset_keys = [k for k, _ in preset_names]
for _, label in preset_names:
self._style_preset.addItem(label)
current_preset = s.get("preset", "default")
if current_preset in self._preset_keys:
self._style_preset.setCurrentIndex(self._preset_keys.index(current_preset))
else:
self._style_preset.setCurrentIndex(5) # custom
self._style_preset.currentIndexChanged.connect(self._on_preset_changed)
preset_layout.addWidget(self._style_preset, 1)
reset_btn = QPushButton(t("btn_reset_style"))
reset_btn.clicked.connect(self._reset_style)
preset_layout.addWidget(reset_btn)
layout.addWidget(preset_group)
# Background group
bg_group = QGroupBox(t("group_background"))
bg_layout = QGridLayout(bg_group)
bg_layout.addWidget(QLabel(t("label_bg_color")), 0, 0)
self._bg_color_btn = self._make_color_btn(s.get("bg_color", DEFAULT_STYLE["bg_color"]))
self._bg_color_btn.clicked.connect(lambda: self._pick_color(self._bg_color_btn))
bg_layout.addWidget(self._bg_color_btn, 0, 1)
bg_layout.addWidget(QLabel(t("label_bg_opacity")), 1, 0)
self._bg_opacity = QSlider(Qt.Orientation.Horizontal)
self._bg_opacity.setRange(0, 255)
self._bg_opacity.setValue(s.get("bg_opacity", DEFAULT_STYLE["bg_opacity"]))
self._bg_opacity_label = QLabel(str(self._bg_opacity.value()))
self._bg_opacity.valueChanged.connect(lambda v: self._bg_opacity_label.setText(str(v)))
self._bg_opacity.valueChanged.connect(self._on_style_value_changed)
self._bg_opacity.sliderReleased.connect(self._auto_save)
bg_layout.addWidget(self._bg_opacity, 1, 1)
bg_layout.addWidget(self._bg_opacity_label, 1, 2)
bg_layout.addWidget(QLabel(t("label_header_color")), 2, 0)
self._header_color_btn = self._make_color_btn(s.get("header_color", DEFAULT_STYLE["header_color"]))
self._header_color_btn.clicked.connect(lambda: self._pick_color(self._header_color_btn))
bg_layout.addWidget(self._header_color_btn, 2, 1)
bg_layout.addWidget(QLabel(t("label_header_opacity")), 3, 0)
self._header_opacity = QSlider(Qt.Orientation.Horizontal)
self._header_opacity.setRange(0, 255)
self._header_opacity.setValue(s.get("header_opacity", DEFAULT_STYLE["header_opacity"]))
self._header_opacity_label = QLabel(str(self._header_opacity.value()))
self._header_opacity.valueChanged.connect(lambda v: self._header_opacity_label.setText(str(v)))
self._header_opacity.valueChanged.connect(self._on_style_value_changed)
self._header_opacity.sliderReleased.connect(self._auto_save)
bg_layout.addWidget(self._header_opacity, 3, 1)
bg_layout.addWidget(self._header_opacity_label, 3, 2)
bg_layout.addWidget(QLabel(t("label_border_radius")), 4, 0)
self._border_radius = QSpinBox()
self._border_radius.setRange(0, 30)
self._border_radius.setValue(s.get("border_radius", DEFAULT_STYLE["border_radius"]))
self._border_radius.setSuffix(" px")
self._border_radius.valueChanged.connect(self._on_style_value_changed)
self._border_radius.valueChanged.connect(self._auto_save)
bg_layout.addWidget(self._border_radius, 4, 1)
layout.addWidget(bg_group)
# Text group
text_group = QGroupBox(t("group_text"))
text_layout = QGridLayout(text_group)
text_layout.addWidget(QLabel(t("label_original_font")), 0, 0)
self._orig_font_combo = QFontComboBox()
self._orig_font_combo.setCurrentFont(QFont(s.get("original_font_family", DEFAULT_STYLE["original_font_family"])))
self._orig_font_combo.currentFontChanged.connect(self._on_style_value_changed)
self._orig_font_combo.currentFontChanged.connect(self._auto_save)
text_layout.addWidget(self._orig_font_combo, 0, 1)
text_layout.addWidget(QLabel(t("label_original_font_size")), 1, 0)
self._orig_font_size = QSpinBox()
self._orig_font_size.setRange(6, 24)
self._orig_font_size.setValue(s.get("original_font_size", DEFAULT_STYLE["original_font_size"]))
self._orig_font_size.setSuffix(" pt")
self._orig_font_size.valueChanged.connect(self._on_style_value_changed)
self._orig_font_size.valueChanged.connect(self._auto_save)
text_layout.addWidget(self._orig_font_size, 1, 1)
text_layout.addWidget(QLabel(t("label_original_color")), 2, 0)
self._orig_color_btn = self._make_color_btn(s.get("original_color", DEFAULT_STYLE["original_color"]))
self._orig_color_btn.clicked.connect(lambda: self._pick_color(self._orig_color_btn))
text_layout.addWidget(self._orig_color_btn, 2, 1)
text_layout.addWidget(QLabel(t("label_translation_font")), 3, 0)
self._trans_font_combo = QFontComboBox()
self._trans_font_combo.setCurrentFont(QFont(s.get("translation_font_family", DEFAULT_STYLE["translation_font_family"])))
self._trans_font_combo.currentFontChanged.connect(self._on_style_value_changed)
self._trans_font_combo.currentFontChanged.connect(self._auto_save)
text_layout.addWidget(self._trans_font_combo, 3, 1)
text_layout.addWidget(QLabel(t("label_translation_font_size")), 4, 0)
self._trans_font_size = QSpinBox()
self._trans_font_size.setRange(6, 24)
self._trans_font_size.setValue(s.get("translation_font_size", DEFAULT_STYLE["translation_font_size"]))
self._trans_font_size.setSuffix(" pt")
self._trans_font_size.valueChanged.connect(self._on_style_value_changed)
self._trans_font_size.valueChanged.connect(self._auto_save)
text_layout.addWidget(self._trans_font_size, 4, 1)
text_layout.addWidget(QLabel(t("label_translation_color")), 5, 0)
self._trans_color_btn = self._make_color_btn(s.get("translation_color", DEFAULT_STYLE["translation_color"]))
self._trans_color_btn.clicked.connect(lambda: self._pick_color(self._trans_color_btn))
text_layout.addWidget(self._trans_color_btn, 5, 1)
text_layout.addWidget(QLabel(t("label_timestamp_color")), 6, 0)
self._ts_color_btn = self._make_color_btn(s.get("timestamp_color", DEFAULT_STYLE["timestamp_color"]))
self._ts_color_btn.clicked.connect(lambda: self._pick_color(self._ts_color_btn))
text_layout.addWidget(self._ts_color_btn, 6, 1)
layout.addWidget(text_group)
# Window group
win_group = QGroupBox(t("group_window"))
win_layout = QGridLayout(win_group)
win_layout.addWidget(QLabel(t("label_window_opacity")), 0, 0)
self._window_opacity = QSlider(Qt.Orientation.Horizontal)
self._window_opacity.setRange(30, 100)
self._window_opacity.setValue(s.get("window_opacity", DEFAULT_STYLE["window_opacity"]))
self._window_opacity_label = QLabel(f"{self._window_opacity.value()}%")
self._window_opacity.valueChanged.connect(lambda v: self._window_opacity_label.setText(f"{v}%"))
self._window_opacity.valueChanged.connect(self._on_style_value_changed)
self._window_opacity.sliderReleased.connect(self._auto_save)
win_layout.addWidget(self._window_opacity, 0, 1)
win_layout.addWidget(self._window_opacity_label, 0, 2)
layout.addWidget(win_group)
layout.addStretch()
return widget
def _make_color_btn(self, color: str) -> QPushButton:
btn = QPushButton()
btn.setFixedSize(60, 24)
btn.setProperty("hex_color", color)
btn.setStyleSheet(f"background-color: {color}; border: 1px solid #888; border-radius: 3px;")
return btn
def _pick_color(self, btn: QPushButton):
from PyQt6.QtGui import QColor as _QColor
current = _QColor(btn.property("hex_color"))
color = QColorDialog.getColor(current, self)
if color.isValid():
hex_c = color.name()
btn.setProperty("hex_color", hex_c)
btn.setStyleSheet(f"background-color: {hex_c}; border: 1px solid #888; border-radius: 3px;")
self._on_style_value_changed()
self._auto_save()
def _collect_style(self) -> dict:
return {
"preset": self._preset_keys[self._style_preset.currentIndex()],
"bg_color": self._bg_color_btn.property("hex_color"),
"bg_opacity": self._bg_opacity.value(),
"header_color": self._header_color_btn.property("hex_color"),
"header_opacity": self._header_opacity.value(),
"border_radius": self._border_radius.value(),
"original_font_family": self._orig_font_combo.currentFont().family(),
"translation_font_family": self._trans_font_combo.currentFont().family(),
"original_font_size": self._orig_font_size.value(),
"translation_font_size": self._trans_font_size.value(),
"original_color": self._orig_color_btn.property("hex_color"),
"translation_color": self._trans_color_btn.property("hex_color"),
"timestamp_color": self._ts_color_btn.property("hex_color"),
"window_opacity": self._window_opacity.value(),
}
def _apply_style_to_controls(self, s: dict):
"""Update all style controls to match a style dict, without triggering auto-save."""
self._bg_color_btn.setProperty("hex_color", s["bg_color"])
self._bg_color_btn.setStyleSheet(f"background-color: {s['bg_color']}; border: 1px solid #888; border-radius: 3px;")
self._bg_opacity.setValue(s["bg_opacity"])
self._header_color_btn.setProperty("hex_color", s["header_color"])
self._header_color_btn.setStyleSheet(f"background-color: {s['header_color']}; border: 1px solid #888; border-radius: 3px;")
self._header_opacity.setValue(s["header_opacity"])
self._border_radius.setValue(s["border_radius"])
self._orig_font_combo.setCurrentFont(QFont(s["original_font_family"]))
self._trans_font_combo.setCurrentFont(QFont(s["translation_font_family"]))
self._orig_font_size.setValue(s["original_font_size"])
self._trans_font_size.setValue(s["translation_font_size"])
self._orig_color_btn.setProperty("hex_color", s["original_color"])
self._orig_color_btn.setStyleSheet(f"background-color: {s['original_color']}; border: 1px solid #888; border-radius: 3px;")
self._trans_color_btn.setProperty("hex_color", s["translation_color"])
self._trans_color_btn.setStyleSheet(f"background-color: {s['translation_color']}; border: 1px solid #888; border-radius: 3px;")
self._ts_color_btn.setProperty("hex_color", s["timestamp_color"])
self._ts_color_btn.setStyleSheet(f"background-color: {s['timestamp_color']}; border: 1px solid #888; border-radius: 3px;")
self._window_opacity.setValue(s["window_opacity"])
def _on_preset_changed(self, index):
from subtitle_overlay import STYLE_PRESETS
key = self._preset_keys[index]
if key == "custom":
return
preset = STYLE_PRESETS.get(key)
if not preset:
return
self._block_style_signals(True)
self._apply_style_to_controls(preset)
self._block_style_signals(False)
self._auto_save()
def _on_style_value_changed(self, *_args):
"""When any style control changes manually, switch preset to Custom."""
custom_idx = len(self._preset_keys) - 1
if self._style_preset.currentIndex() != custom_idx:
self._style_preset.blockSignals(True)
self._style_preset.setCurrentIndex(custom_idx)
self._style_preset.blockSignals(False)
if not self._bg_opacity.isSliderDown() and not self._header_opacity.isSliderDown() and not self._window_opacity.isSliderDown():
self._auto_save()
def _reset_style(self):
from subtitle_overlay import DEFAULT_STYLE
self._style_preset.blockSignals(True)
self._style_preset.setCurrentIndex(0) # default
self._style_preset.blockSignals(False)
self._block_style_signals(True)
self._apply_style_to_controls(DEFAULT_STYLE)
self._block_style_signals(False)
self._auto_save()
def _block_style_signals(self, block: bool):
for w in (self._bg_opacity, self._header_opacity, self._border_radius,
self._orig_font_combo, self._trans_font_combo,
self._orig_font_size, self._trans_font_size,
self._window_opacity):
w.blockSignals(block)
# ── Benchmark Tab ──
def _create_benchmark_tab(self):
widget = QWidget()
layout = QVBoxLayout(widget)
ctrl_row = QHBoxLayout()
ctrl_row.addWidget(QLabel(t("label_source")))
self._bench_lang = QComboBox()
self._bench_lang.addItems(["ja", "en", "zh", "ko", "fr", "de"])
self._bench_lang.setCurrentIndex(0)
ctrl_row.addWidget(self._bench_lang)
ctrl_row.addWidget(QLabel(t("target_label")))
self._bench_target = QComboBox()
self._bench_target.addItems(["zh", "en", "ja", "ko", "fr", "de", "es", "ru"])
ctrl_row.addWidget(self._bench_target)
ctrl_row.addStretch()
self._bench_btn = QPushButton(t("btn_test_all"))
self._bench_btn.clicked.connect(self._run_benchmark)
ctrl_row.addWidget(self._bench_btn)
layout.addLayout(ctrl_row)
self._bench_output = QTextEdit()
self._bench_output.setReadOnly(True)
self._bench_output.setFont(QFont("Consolas", 9))
self._bench_output.setStyleSheet(
"background: #1e1e2e; color: #cdd6f4; border: 1px solid #444;"
)
layout.addWidget(self._bench_output)
return widget
# ── Cache Tab ──
def _create_cache_tab(self):
widget = QWidget()
layout = QVBoxLayout(widget)
top_row = QHBoxLayout()
self._cache_total = QLabel("")
self._cache_total.setFont(QFont("Consolas", 9, QFont.Weight.Bold))
top_row.addWidget(self._cache_total, 1)
open_btn = QPushButton(t("btn_open_folder"))
open_btn.clicked.connect(
lambda: (
MODELS_DIR.mkdir(parents=True, exist_ok=True),
os.startfile(str(MODELS_DIR)),
)
)
top_row.addWidget(open_btn)
delete_all_btn = QPushButton(t("btn_delete_all_exit"))
delete_all_btn.clicked.connect(self._delete_all_and_exit)
top_row.addWidget(delete_all_btn)
layout.addLayout(top_row)
self._cache_list = QListWidget()
self._cache_list.setFont(QFont("Consolas", 9))
self._cache_list.setAlternatingRowColors(True)
layout.addWidget(self._cache_list, 1)
self._cache_entries = []
self._refresh_cache()
return widget
def _on_tab_changed(self, index):
if index == self._cache_tab_index:
self._refresh_cache()
def _refresh_cache(self):
self._cache_list.clear()
self._cache_total.setText(t("scanning"))
def _scan():
entries = get_cache_entries()
results = []
for name, path in entries:
size = dir_size(path)
results.append((name, str(path), size))
self._cache_result.emit(results)
threading.Thread(target=_scan, daemon=True).start()
def _on_cache_result(self, results):
self._cache_list.clear()
self._cache_entries = results
total = 0
for name, path, size in results:
total += size
self._cache_list.addItem(f"{name} — {format_size(size)}")
if not results:
self._cache_list.addItem(t("no_cached_models"))
self._cache_total.setText(
t("cache_total").format(size=format_size(total), count=len(results))
)
def _delete_all_and_exit(self):
if not self._cache_entries:
return
import shutil
total_size = sum(s for _, _, s in self._cache_entries)
ret = QMessageBox.warning(
self,
t("dialog_delete_title"),
t("dialog_delete_msg").format(
count=len(self._cache_entries), size=format_size(total_size)
),
QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
QMessageBox.StandardButton.No,
)
if ret != QMessageBox.StandardButton.Yes:
return
for name, path, _ in self._cache_entries:
try:
shutil.rmtree(path)
log.info(f"Deleted: {path}")
except Exception as e:
log.error(f"Failed to delete {path}: {e}")
QApplication.instance().quit()
# ── Model Management ──
def _refresh_model_combo(self):
self._active_model_combo.blockSignals(True)
self._active_model_combo.clear()
for m in self._current_settings.get("models", []):
self._active_model_combo.addItem(f"{m['name']} ({m['model']})")
self._active_model_combo.blockSignals(False)
def _refresh_model_list(self):
self._model_list.clear()
active = self._current_settings.get("active_model", 0)
for i, m in enumerate(self._current_settings.get("models", [])):
prefix = ">>> " if i == active else " "
proxy = m.get("proxy", "none")
proxy_tag = f" [proxy: {proxy}]" if proxy != "none" else ""
text = (
f"{prefix}{m['name']}{proxy_tag}\n {m['api_base']} | {m['model']}"
)
item = QListWidgetItem(text)
if i == active:
font = item.font()
font.setBold(True)
item.setFont(font)
self._model_list.addItem(item)
def _add_model(self):
dlg = ModelEditDialog(self)
if dlg.exec():
data = dlg.get_data()
if data["name"] and data["model"]:
self._current_settings.setdefault("models", []).append(data)
self._refresh_model_list()
self._refresh_model_combo()
_save_settings(self._current_settings)
def _edit_model(self):
row = self._model_list.currentRow()
models = self._current_settings.get("models", [])
if row < 0 or row >= len(models):
return
dlg = ModelEditDialog(self, models[row])
if dlg.exec():
data = dlg.get_data()
if data["name"] and data["model"]:
models[row] = data
self._refresh_model_list()
self._refresh_model_combo()
_save_settings(self._current_settings)
def _dup_model(self):
row = self._model_list.currentRow()
models = self._current_settings.get("models", [])
if row < 0 or row >= len(models):
return
dup = dict(models[row])
dup["name"] = dup["name"] + " (copy)"
models.append(dup)
self._refresh_model_list()
self._refresh_model_combo()
_save_settings(self._current_settings)
def _remove_model(self):
row = self._model_list.currentRow()
models = self._current_settings.get("models", [])
if row < 0 or row >= len(models) or len(models) <= 1:
return
models.pop(row)
active = self._current_settings.get("active_model", 0)
if active >= len(models):
self._current_settings["active_model"] = len(models) - 1
self._refresh_model_list()
self._refresh_model_combo()
self._model_list.setCurrentRow(min(row, len(models) - 1))
_save_settings(self._current_settings)
def _on_active_model_changed(self, index):
if index >= 0:
self._current_settings["active_model"] = index
self._refresh_model_list()
def _on_model_double_clicked(self, item):
row = self._model_list.row(item)
models = self._current_settings.get("models", [])
if 0 <= row < len(models):
self._active_model_combo.setCurrentIndex(row)
self._apply_active_model()
def _apply_active_model(self):
idx = self._active_model_combo.currentIndex()
models = self._current_settings.get("models", [])
if 0 <= idx < len(models):
self._current_settings["active_model"] = idx
self._refresh_model_list()
self.model_changed.emit(models[idx])
_save_settings(self._current_settings)
log.info(f"Active model: {models[idx]['name']} ({models[idx]['model']})")
def _run_benchmark(self):
models = self._current_settings.get("models", [])
if not models:
return
source_lang = self._bench_lang.currentText()
target_lang = self._bench_target.currentText()
timeout_s = self._current_settings.get("timeout", 5)
self._bench_btn.setEnabled(False)
self._bench_btn.setText(t("testing"))
self._bench_output.clear()
from translator import DEFAULT_PROMPT, LANGUAGE_DISPLAY
src = LANGUAGE_DISPLAY.get(source_lang, source_lang)
tgt = LANGUAGE_DISPLAY.get(target_lang, target_lang)
prompt = self._current_settings.get("system_prompt", DEFAULT_PROMPT)
try:
prompt = prompt.format(source_lang=src, target_lang=tgt)
except (KeyError, IndexError):
pass
run_benchmark(
models, source_lang, target_lang, timeout_s, prompt, self._bench_result.emit
)
def _on_bench_result(self, text: str):
if text == "__DONE__":
self._bench_btn.setEnabled(True)
self._bench_btn.setText(t("btn_test_all"))
else:
self._bench_output.append(text)
# ── Shared logic ──
def _on_silence_mode_changed(self, index):
self._silence_duration.setEnabled(index == 1)
def _on_vad_mode_changed(self, index):
modes = ["silero", "energy", "disabled"]
self._current_settings["vad_mode"] = modes[index]
def _on_threshold_changed(self, value):
val = value / 100.0
self._current_settings["vad_threshold"] = val
self._vad_threshold_label.setText(f"{value}%")
if not self._vad_threshold_slider.isSliderDown():
self._auto_save()
def _on_energy_changed(self, value):
val = value / 1000.0
self._current_settings["energy_threshold"] = val
self._energy_label.setText(f"{value}\u2030")
if not self._energy_slider.isSliderDown():
self._auto_save()
def _on_timing_changed(self):
self._current_settings["min_speech_duration"] = self._min_speech.value()
self._current_settings["max_speech_duration"] = self._max_speech.value()
self._current_settings["silence_mode"] = "auto" if self._silence_mode.currentIndex() == 0 else "fixed"
self._current_settings["silence_duration"] = self._silence_duration.value()
def _on_ui_lang_changed(self, index):
lang = "en" if index == 0 else "zh"
self._current_settings["ui_lang"] = lang
_save_settings(self._current_settings)
from i18n import set_lang
set_lang(lang)
from PyQt6.QtWidgets import QMessageBox
QMessageBox.information(
self, "LiveTrans",
"Language changed. Please restart the application.\n"
"语言已更改，请重启应用程序。"
)
def _auto_save(self):
self._save_timer.start()
def _do_auto_save(self):
self._apply_settings()
_save_settings(self._current_settings)
def _apply_prompt(self):
text = self._prompt_edit.toPlainText().strip()
if text:
self._current_settings["system_prompt"] = text
self._apply_active_model()
_save_settings(self._current_settings)
log.info("System prompt updated")
def _apply_settings(self):
self._current_settings["asr_language"] = self._asr_lang.currentText()
engine_map = {
0: "whisper",
1: "sensevoice",
2: "funasr-nano",
3: "funasr-mlt-nano",
}
self._current_settings["asr_engine"] = engine_map[
self._asr_engine.currentIndex()
]
dev_text = self._asr_device.currentText()
self._current_settings["asr_device"] = dev_text.split(" (")[0]
audio_dev = self._audio_device.currentText()
self._current_settings["audio_device"] = (
None if self._audio_device.currentIndex() == 0 else audio_dev
)
self._current_settings["hub"] = (
"ms" if self._hub_combo.currentIndex() == 0 else "hf"
)
prompt_text = self._prompt_edit.toPlainText().strip()
if prompt_text:
self._current_settings["system_prompt"] = prompt_text
self._current_settings["timeout"] = self._timeout_spin.value()
if hasattr(self, "_style_preset"):
self._current_settings["style"] = self._collect_style()
safe = {
k: v
for k, v in self._current_settings.items()
if k not in ("models", "system_prompt")
}
log.info(f"Settings applied: {safe}")
self.settings_changed.emit(dict(self._current_settings))
def get_settings(self):
return dict(self._current_settings)
def get_active_model(self) -> dict | None:
models = self._current_settings.get("models", [])
idx = self._current_settings.get("active_model", 0)
if 0 <= idx < len(models):
return models[idx]
return None
def has_saved_settings(self) -> bool:
return SETTINGS_FILE.exists()
|