"""Main Qt6 application window.""" from __future__ import annotations import asyncio import logging import os import subprocess import sys import threading from pathlib import Path from PySide6.QtCore import Qt, QTimer, Signal, Slot, QObject, QUrl from PySide6.QtGui import QPixmap, QAction, QKeySequence, QDesktopServices, QShortcut from PySide6.QtWidgets import ( QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout, QStackedWidget, QComboBox, QLabel, QPushButton, QStatusBar, QSplitter, QMessageBox, QTextEdit, QMenu, QFileDialog, QSpinBox, QScrollArea, QProgressBar, ) from ..core.db import Database, Site from ..core.api.base import BooruClient, Post from ..core.api.detect import client_for_type from ..core.cache import download_image, download_thumbnail, cache_size_bytes, evict_oldest from ..core.config import MEDIA_EXTENSIONS from .grid import ThumbnailGrid from .preview import ImagePreview from .search import SearchBar from .sites import SiteManagerDialog from .bookmarks import BookmarksView from .library import LibraryView from .settings import SettingsDialog log = logging.getLogger("booru") class LogHandler(logging.Handler, QObject): """Logging handler that emits to a QTextEdit.""" log_signal = Signal(str) def __init__(self, widget: QTextEdit) -> None: logging.Handler.__init__(self) QObject.__init__(self) self._widget = widget self.log_signal.connect(self._append) self.setFormatter(logging.Formatter("%(asctime)s %(levelname)-5s %(message)s", datefmt="%H:%M:%S")) def emit(self, record: logging.LogRecord) -> None: msg = self.format(record) self.log_signal.emit(msg) def _append(self, msg: str) -> None: self._widget.append(msg) sb = self._widget.verticalScrollBar() sb.setValue(sb.maximum()) class AsyncSignals(QObject): """Signals for async worker results.""" search_done = Signal(list) search_error = Signal(str) thumb_done = Signal(int, str) image_done = Signal(str, str) image_error = Signal(str) bookmark_done = Signal(int, str) bookmark_error = Signal(str) autocomplete_done = Signal(list) batch_progress = Signal(int, int) # current, total batch_done = Signal(str) download_progress = Signal(int, int) # bytes_downloaded, total_bytes prefetch_progress = Signal(int, float) # index, progress (0-1 or -1 to hide) # -- Info Panel -- class InfoPanel(QWidget): """Toggleable panel showing post details.""" tag_clicked = Signal(str) def __init__(self, parent: QWidget | None = None) -> None: super().__init__(parent) layout = QVBoxLayout(self) layout.setContentsMargins(6, 6, 6, 6) self._title = QLabel("No post selected") self._title.setStyleSheet("font-weight: bold;") layout.addWidget(self._title) self._details = QLabel() self._details.setWordWrap(True) self._details.setTextInteractionFlags(Qt.TextInteractionFlag.TextSelectableByMouse) layout.addWidget(self._details) self._tags_label = QLabel("Tags:") self._tags_label.setStyleSheet("font-weight: bold; margin-top: 8px;") layout.addWidget(self._tags_label) self._tags_scroll = QScrollArea() self._tags_scroll.setWidgetResizable(True) self._tags_scroll.setStyleSheet("QScrollArea { border: none; }") self._tags_widget = QWidget() self._tags_flow = QVBoxLayout(self._tags_widget) self._tags_flow.setContentsMargins(0, 0, 0, 0) self._tags_flow.setSpacing(2) self._tags_scroll.setWidget(self._tags_widget) layout.addWidget(self._tags_scroll, stretch=1) def set_post(self, post: Post) -> None: log.debug(f"InfoPanel: tag_categories={list(post.tag_categories.keys()) if post.tag_categories else 'empty'}") self._title.setText(f"Post #{post.id}") filetype = Path(post.file_url.split("?")[0]).suffix.lstrip(".").upper() if post.file_url else "unknown" self._details.setText( f"Size: {post.width}x{post.height}\n" f"Score: {post.score}\n" f"Rating: {post.rating or 'unknown'}\n" f"Filetype: {filetype}\n" f"Source: {post.source or 'none'}" ) # Clear old tags while self._tags_flow.count(): item = self._tags_flow.takeAt(0) if item.widget(): item.widget().deleteLater() # Tag category colors _CAT_COLORS = { "Artist": "#f2ac08", "Character": "#0a0", "Copyright": "#c0f", "Species": "#e44", "General": "", "Meta": "#888", "Lore": "#888", } if post.tag_categories: # Display tags grouped by category for category, tags in post.tag_categories.items(): color = _CAT_COLORS.get(category, "") header = QLabel(f"{category}:") header.setStyleSheet( f"font-weight: bold; margin-top: 6px; margin-bottom: 2px;" + (f" color: {color};" if color else "") ) self._tags_flow.addWidget(header) for tag in tags[:50]: btn = QPushButton(tag) btn.setFlat(True) btn.setCursor(Qt.CursorShape.PointingHandCursor) style = "QPushButton { text-align: left; padding: 1px 4px; border: none;" if color: style += f" color: {color};" style += " }" btn.setStyleSheet(style) btn.clicked.connect(lambda checked, t=tag: self.tag_clicked.emit(t)) self._tags_flow.addWidget(btn) else: # Fallback: flat tag list (Gelbooru, Moebooru) for tag in post.tag_list[:100]: btn = QPushButton(tag) btn.setFlat(True) btn.setCursor(Qt.CursorShape.PointingHandCursor) btn.setStyleSheet( "QPushButton { text-align: left; padding: 1px 4px; border: none; }" ) btn.clicked.connect(lambda checked, t=tag: self.tag_clicked.emit(t)) self._tags_flow.addWidget(btn) self._tags_flow.addStretch() def clear(self) -> None: self._title.setText("No post selected") self._details.setText("") while self._tags_flow.count(): item = self._tags_flow.takeAt(0) if item.widget(): item.widget().deleteLater() # -- Main App -- class BooruApp(QMainWindow): def __init__(self) -> None: super().__init__() self.setWindowTitle("booru-viewer") self.setMinimumSize(900, 600) self.resize(1200, 800) self._db = Database() # Apply custom library directory if set lib_dir = self._db.get_setting("library_dir") if lib_dir: from ..core.config import set_library_dir set_library_dir(Path(lib_dir)) self._current_site: Site | None = None self._posts: list[Post] = [] self._current_page = 1 self._current_tags = "" self._current_rating = "all" self._min_score = 0 self._loading = False self._last_scroll_page = 0 self._signals = AsyncSignals() self._async_loop = asyncio.new_event_loop() self._async_thread = threading.Thread(target=self._async_loop.run_forever, daemon=True) self._async_thread.start() self._setup_signals() self._setup_ui() self._setup_menu() self._load_sites() def _setup_signals(self) -> None: Q = Qt.ConnectionType.QueuedConnection s = self._signals s.search_done.connect(self._on_search_done, Q) s.search_error.connect(self._on_search_error, Q) s.thumb_done.connect(self._on_thumb_done, Q) s.image_done.connect(self._on_image_done, Q) s.image_error.connect(self._on_image_error, Q) s.bookmark_done.connect(self._on_bookmark_done, Q) s.bookmark_error.connect(self._on_bookmark_error, Q) s.autocomplete_done.connect(self._on_autocomplete_done, Q) s.batch_progress.connect(self._on_batch_progress, Q) s.batch_done.connect(lambda m: self._status.showMessage(m), Q) s.download_progress.connect(self._on_download_progress, Q) s.prefetch_progress.connect(self._on_prefetch_progress, Q) def _on_prefetch_progress(self, index: int, progress: float) -> None: if 0 <= index < len(self._grid._thumbs): self._grid._thumbs[index].set_prefetch_progress(progress) def _clear_loading(self) -> None: self._loading = False def _on_search_error(self, e: str) -> None: self._loading = False self._status.showMessage(f"Error: {e}") def _on_image_error(self, e: str) -> None: self._dl_progress.hide() self._status.showMessage(f"Error: {e}") def _on_bookmark_error(self, e: str) -> None: self._status.showMessage(f"Error: {e}") def _run_async(self, coro_func, *args): future = asyncio.run_coroutine_threadsafe(coro_func(*args), self._async_loop) future.add_done_callback(self._on_async_done) @staticmethod def _on_async_done(future): try: future.result() except Exception as e: log.error(f"Async worker failed: {e}") def _setup_ui(self) -> None: central = QWidget() self.setCentralWidget(central) layout = QVBoxLayout(central) layout.setContentsMargins(8, 8, 8, 8) layout.setSpacing(6) # Top bar: site selector + rating + search top = QHBoxLayout() self._site_combo = QComboBox() self._site_combo.setMinimumWidth(150) self._site_combo.currentIndexChanged.connect(self._on_site_changed) top.addWidget(self._site_combo) # Rating filter self._rating_combo = QComboBox() self._rating_combo.addItems(["All", "General", "Sensitive", "Questionable", "Explicit"]) self._rating_combo.setMinimumWidth(100) self._rating_combo.currentTextChanged.connect(self._on_rating_changed) top.addWidget(self._rating_combo) # Score filter score_label = QLabel("Score≥") top.addWidget(score_label) self._score_spin = QSpinBox() self._score_spin.setRange(0, 99999) self._score_spin.setValue(0) self._score_spin.setFixedWidth(70) top.addWidget(self._score_spin) self._search_bar = SearchBar(db=self._db) self._search_bar.search_requested.connect(self._on_search) self._search_bar.autocomplete_requested.connect(self._request_autocomplete) top.addWidget(self._search_bar, stretch=1) layout.addLayout(top) # Nav bar nav = QHBoxLayout() self._browse_btn = QPushButton("Browse") self._browse_btn.setCheckable(True) self._browse_btn.setChecked(True) self._browse_btn.clicked.connect(lambda: self._switch_view(0)) nav.addWidget(self._browse_btn) self._bookmark_btn = QPushButton("Bookmarks") self._bookmark_btn.setCheckable(True) self._bookmark_btn.clicked.connect(lambda: self._switch_view(1)) nav.addWidget(self._bookmark_btn) self._library_btn = QPushButton("Library") self._library_btn.setCheckable(True) self._library_btn.setFixedWidth(60) self._library_btn.clicked.connect(lambda: self._switch_view(2)) nav.addWidget(self._library_btn) layout.addLayout(nav) # Main content self._splitter = QSplitter(Qt.Orientation.Horizontal) # Left: stacked views self._stack = QStackedWidget() self._grid = ThumbnailGrid() self._grid.post_selected.connect(self._on_post_selected) self._grid.post_activated.connect(self._on_post_activated) self._grid.context_requested.connect(self._on_context_menu) self._grid.multi_context_requested.connect(self._on_multi_context_menu) self._grid.nav_past_end.connect(self._on_nav_past_end) self._grid.nav_before_start.connect(self._on_nav_before_start) self._grid.page_forward.connect(self._next_page) self._grid.page_back.connect(self._prev_page) self._stack.addWidget(self._grid) self._bookmarks_view = BookmarksView(self._db) self._bookmarks_view.bookmark_selected.connect(self._on_bookmark_selected) self._bookmarks_view.bookmark_activated.connect(self._on_bookmark_activated) self._stack.addWidget(self._bookmarks_view) self._library_view = LibraryView() self._library_view.file_selected.connect(self._on_library_selected) self._library_view.file_activated.connect(self._on_library_activated) self._stack.addWidget(self._library_view) self._splitter.addWidget(self._stack) # Right: preview + info (vertical split) right = QSplitter(Qt.Orientation.Vertical) self._preview = ImagePreview() self._preview.close_requested.connect(self._close_preview) self._preview.open_in_default.connect(self._open_preview_in_default) self._preview.open_in_browser.connect(self._open_preview_in_browser) self._preview.bookmark_requested.connect(self._bookmark_from_preview) self._preview.save_to_folder.connect(self._save_from_preview) self._preview.unsave_requested.connect(self._unsave_from_preview) self._preview.navigate.connect(self._navigate_preview) self._preview.fullscreen_requested.connect(self._open_fullscreen_preview) self._preview.set_folders_callback(self._db.get_folders) self._fullscreen_window = None self._preview.setMinimumWidth(300) right.addWidget(self._preview) self._dl_progress = QProgressBar() self._dl_progress.setMaximumHeight(6) self._dl_progress.setTextVisible(False) self._dl_progress.hide() right.addWidget(self._dl_progress) self._info_panel = InfoPanel() self._info_panel.tag_clicked.connect(self._on_tag_clicked) self._info_panel.setMinimumHeight(100) self._info_panel.hide() right.addWidget(self._info_panel) right.setSizes([500, 0, 200]) self._splitter.addWidget(right) self._splitter.setSizes([600, 500]) layout.addWidget(self._splitter, stretch=1) # Bottom page nav (centered) bottom_nav = QHBoxLayout() bottom_nav.addStretch() self._page_label = QLabel("Page 1") bottom_nav.addWidget(self._page_label) bottom_prev = QPushButton("Prev") bottom_prev.setFixedWidth(60) bottom_prev.clicked.connect(self._prev_page) bottom_nav.addWidget(bottom_prev) bottom_next = QPushButton("Next") bottom_next.setFixedWidth(60) bottom_next.clicked.connect(self._next_page) bottom_nav.addWidget(bottom_next) bottom_nav.addStretch() layout.addLayout(bottom_nav) # Log panel self._log_text = QTextEdit() self._log_text.setReadOnly(True) self._log_text.setMaximumHeight(150) self._log_text.setStyleSheet("font-family: monospace; font-size: 11px;") self._log_text.hide() layout.addWidget(self._log_text) # Hook up logging self._log_handler = LogHandler(self._log_text) self._log_handler.setLevel(logging.DEBUG) logging.getLogger("booru").addHandler(self._log_handler) logging.getLogger("booru").setLevel(logging.DEBUG) # Status bar self._status = QStatusBar() self.setStatusBar(self._status) self._status.showMessage("Ready") # Global shortcuts for preview navigation QShortcut(QKeySequence("Left"), self, lambda: self._navigate_preview(-1)) QShortcut(QKeySequence("Right"), self, lambda: self._navigate_preview(1)) def _setup_menu(self) -> None: menu = self.menuBar() file_menu = menu.addMenu("&File") sites_action = QAction("&Manage Sites...", self) sites_action.setShortcut(QKeySequence("Ctrl+S")) sites_action.triggered.connect(self._open_site_manager) file_menu.addAction(sites_action) settings_action = QAction("Se&ttings...", self) settings_action.setShortcut(QKeySequence("Ctrl+,")) settings_action.triggered.connect(self._open_settings) file_menu.addAction(settings_action) file_menu.addSeparator() batch_action = QAction("Batch &Download Page...", self) batch_action.setShortcut(QKeySequence("Ctrl+D")) batch_action.triggered.connect(self._batch_download) file_menu.addAction(batch_action) file_menu.addSeparator() quit_action = QAction("&Quit", self) quit_action.setShortcut(QKeySequence("Ctrl+Q")) quit_action.triggered.connect(self.close) file_menu.addAction(quit_action) view_menu = menu.addMenu("&View") info_action = QAction("Toggle &Info Panel", self) info_action.setShortcut(QKeySequence("Ctrl+I")) info_action.triggered.connect(self._toggle_info) view_menu.addAction(info_action) log_action = QAction("Toggle &Log", self) log_action.setShortcut(QKeySequence("Ctrl+L")) log_action.triggered.connect(self._toggle_log) view_menu.addAction(log_action) view_menu.addSeparator() fullscreen_action = QAction("&Fullscreen", self) fullscreen_action.setShortcut(QKeySequence("F11")) fullscreen_action.triggered.connect(self._toggle_fullscreen) view_menu.addAction(fullscreen_action) privacy_action = QAction("&Privacy Screen", self) privacy_action.setShortcut(QKeySequence("Ctrl+P")) privacy_action.triggered.connect(self._toggle_privacy) view_menu.addAction(privacy_action) def _load_sites(self) -> None: self._site_combo.clear() for site in self._db.get_sites(): self._site_combo.addItem(site.name, site.id) def _make_client(self) -> BooruClient | None: if not self._current_site: return None s = self._current_site return client_for_type(s.api_type, s.url, s.api_key, s.api_user) def _on_site_changed(self, index: int) -> None: if index < 0: self._current_site = None return site_id = self._site_combo.currentData() sites = self._db.get_sites() site = next((s for s in sites if s.id == site_id), None) if not site: return self._current_site = site self._status.showMessage(f"Connected to {site.name}") def _on_rating_changed(self, text: str) -> None: self._current_rating = text.lower() def _switch_view(self, index: int) -> None: self._stack.setCurrentIndex(index) self._browse_btn.setChecked(index == 0) self._bookmark_btn.setChecked(index == 1) self._library_btn.setChecked(index == 2) if index == 1: self._bookmarks_view.refresh() self._bookmarks_view._grid.setFocus() elif index == 2: self._library_view.refresh() else: self._grid.setFocus() def _on_tag_clicked(self, tag: str) -> None: self._search_bar.set_text(tag) self._on_search(tag) # -- Search -- def _on_search(self, tags: str) -> None: self._current_tags = tags self._current_page = 1 self._min_score = self._score_spin.value() self._do_search() def _prev_page(self) -> None: if self._current_page > 1: self._current_page -= 1 self._do_search() def _next_page(self) -> None: if self._loading: return self._current_page += 1 self._do_search() def _on_nav_past_end(self) -> None: self._nav_page_turn = "first" self._next_page() def _on_nav_before_start(self) -> None: if self._current_page > 1: self._nav_page_turn = "last" self._prev_page() def _scroll_next_page(self) -> None: if self._loading: return self._current_page += 1 self._do_search() def _scroll_prev_page(self) -> None: if self._loading or self._current_page <= 1: return self._current_page -= 1 self._do_search() def _build_search_tags(self) -> str: """Build tag string with rating filter and negative tags.""" parts = [] if self._current_tags: parts.append(self._current_tags) # Rating filter — site-specific syntax # Danbooru/Gelbooru: 4-tier (general, sensitive, questionable, explicit) # Moebooru/e621: 3-tier (safe, questionable, explicit) rating = self._current_rating if rating != "all" and self._current_site: api = self._current_site.api_type if api == "danbooru": # Danbooru accepts both full words and single letters danbooru_map = { "general": "g", "sensitive": "s", "questionable": "q", "explicit": "e", } if rating in danbooru_map: parts.append(f"rating:{danbooru_map[rating]}") elif api == "gelbooru": # Gelbooru requires full words, no abbreviations gelbooru_map = { "general": "general", "sensitive": "sensitive", "questionable": "questionable", "explicit": "explicit", } if rating in gelbooru_map: parts.append(f"rating:{gelbooru_map[rating]}") elif api == "e621": # e621: 3-tier (s/q/e), accepts both full words and letters e621_map = { "general": "s", "sensitive": "s", "questionable": "q", "explicit": "e", } if rating in e621_map: parts.append(f"rating:{e621_map[rating]}") else: # Moebooru (yande.re, konachan) — 3-tier, full words work # "general" and "sensitive" don't exist, map to "safe" moebooru_map = { "general": "safe", "sensitive": "safe", "questionable": "questionable", "explicit": "explicit", } if rating in moebooru_map: parts.append(f"rating:{moebooru_map[rating]}") # Score filter if self._min_score > 0: parts.append(f"score:>={self._min_score}") return " ".join(parts) def _do_search(self) -> None: if not self._current_site: self._status.showMessage("No site selected") return self._loading = True self._page_label.setText(f"Page {self._current_page}") self._status.showMessage("Searching...") search_tags = self._build_search_tags() log.info(f"Search: tags='{search_tags}' rating={self._current_rating}") page = self._current_page limit = self._db.get_setting_int("page_size") or 40 # Gather blacklist filters once on the main thread bl_tags = set() if self._db.get_setting_bool("blacklist_enabled"): bl_tags = set(self._db.get_blacklisted_tags()) bl_posts = self._db.get_blacklisted_posts() def _filter(posts): if bl_tags: posts = [p for p in posts if not bl_tags.intersection(p.tag_list)] if bl_posts: posts = [p for p in posts if p.file_url not in bl_posts] return posts async def _search(): client = self._make_client() try: collected = [] current_page = page max_pages = 5 # safety cap to avoid infinite fetching for _ in range(max_pages): batch = await client.search(tags=search_tags, page=current_page, limit=limit) filtered = _filter(batch) collected.extend(filtered) if len(collected) >= limit or len(batch) < limit: break current_page += 1 self._signals.search_done.emit(collected[:limit]) except Exception as e: self._signals.search_error.emit(str(e)) finally: await client.close() self._run_async(_search) def _on_search_done(self, posts: list) -> None: self._posts = posts self._status.showMessage(f"{len(posts)} results") thumbs = self._grid.set_posts(len(posts)) self._grid.scroll_to_top() # Clear loading after a brief delay so scroll signals don't re-trigger QTimer.singleShot(100, self._clear_loading) from ..core.config import saved_dir, saved_folder_dir site_id = self._site_combo.currentData() # Pre-scan saved directories once instead of per-post exists() calls _sd = saved_dir() _saved_ids: set[int] = set() if _sd.exists(): _saved_ids = {int(f.stem) for f in _sd.iterdir() if f.is_file() and f.stem.isdigit()} _folder_saved: dict[str, set[int]] = {} for folder in self._db.get_folders(): d = saved_folder_dir(folder) if d.exists(): _folder_saved[folder] = {int(f.stem) for f in d.iterdir() if f.is_file() and f.stem.isdigit()} # Pre-fetch bookmarks for the site once (used for folder checks) _favs = self._db.get_bookmarks(site_id=site_id) if site_id else [] for i, (post, thumb) in enumerate(zip(posts, thumbs)): # Bookmark status (DB) if site_id and self._db.is_bookmarked(site_id, post.id): thumb.set_bookmarked(True) # Saved status (filesystem) — independent of bookmark saved = post.id in _saved_ids if not saved: for folder_name, folder_ids in _folder_saved.items(): if post.id in folder_ids: saved = True break thumb.set_saved_locally(saved) # Set drag path from cache from ..core.cache import cached_path_for cached = cached_path_for(post.file_url) if cached.exists(): thumb._cached_path = str(cached) if post.preview_url: self._fetch_thumbnail(i, post.preview_url) # Auto-select first/last post if page turn was triggered by navigation turn = getattr(self, "_nav_page_turn", None) if turn and posts: self._nav_page_turn = None if turn == "first": idx = 0 else: idx = len(posts) - 1 self._grid._select(idx) self._on_post_activated(idx) self._grid.setFocus() def _fetch_thumbnail(self, index: int, url: str) -> None: async def _download(): try: path = await download_thumbnail(url) self._signals.thumb_done.emit(index, str(path)) except Exception as e: log.warning(f"Thumb #{index} failed: {e}") self._run_async(_download) def _on_thumb_done(self, index: int, path: str) -> None: thumbs = self._grid._thumbs if 0 <= index < len(thumbs): pix = QPixmap(path) if not pix.isNull(): thumbs[index].set_pixmap(pix) # -- Autocomplete -- def _request_autocomplete(self, query: str) -> None: if not self._current_site or len(query) < 2: return async def _ac(): client = self._make_client() try: results = await client.autocomplete(query) self._signals.autocomplete_done.emit(results) except Exception: pass finally: await client.close() self._run_async(_ac) def _on_autocomplete_done(self, suggestions: list) -> None: self._search_bar.set_suggestions(suggestions) # -- Post selection / preview -- def _on_post_selected(self, index: int) -> None: multi = self._grid.selected_indices if len(multi) > 1: self._status.showMessage(f"{len(multi)} posts selected") return if 0 <= index < len(self._posts): post = self._posts[index] self._status.showMessage( f"#{post.id} {post.width}x{post.height} score:{post.score} [{post.rating}] {Path(post.file_url.split('?')[0]).suffix.lstrip('.').upper() if post.file_url else ''}" ) if self._info_panel.isVisible(): self._info_panel.set_post(post) self._on_post_activated(index) def _on_post_activated(self, index: int) -> None: if 0 <= index < len(self._posts): post = self._posts[index] log.info(f"Preview: #{post.id} -> {post.file_url}") self._status.showMessage(f"Loading #{post.id}...") self._dl_progress.show() self._dl_progress.setRange(0, 0) def _progress(downloaded, total): self._signals.download_progress.emit(downloaded, total) async def _load(): try: path = await download_image(post.file_url, progress_callback=_progress) info = f"#{post.id} {post.width}x{post.height} score:{post.score} [{post.rating}] {Path(post.file_url.split('?')[0]).suffix.lstrip('.').upper() if post.file_url else ''}" self._signals.image_done.emit(str(path), info) except Exception as e: log.error(f"Image download failed: {e}") self._signals.image_error.emit(str(e)) self._run_async(_load) # Prefetch adjacent posts if self._db.get_setting_bool("prefetch_adjacent"): self._prefetch_adjacent(index) def _prefetch_adjacent(self, index: int) -> None: """Prefetch posts in all 4 directions (left, right, up, down).""" cols = self._grid._flow.columns offsets = [1, -1, cols, -cols] async def _prefetch_batch(): for offset in offsets: adj = index + offset if 0 <= adj < len(self._posts) and self._posts[adj].file_url: self._signals.prefetch_progress.emit(adj, 0.0) try: def _progress(dl, total, idx=adj): if total > 0: self._signals.prefetch_progress.emit(idx, dl / total) await download_image(self._posts[adj].file_url, progress_callback=_progress) except Exception: pass self._signals.prefetch_progress.emit(adj, -1) self._run_async(_prefetch_batch) def _on_download_progress(self, downloaded: int, total: int) -> None: if total > 0: self._dl_progress.setRange(0, total) self._dl_progress.setValue(downloaded) self._dl_progress.show() mb = downloaded / (1024 * 1024) total_mb = total / (1024 * 1024) self._status.showMessage(f"Downloading... {mb:.1f}/{total_mb:.1f} MB") else: self._dl_progress.setRange(0, 0) # indeterminate self._dl_progress.show() def _set_preview_media(self, path: str, info: str) -> None: """Set media on preview or just info if slideshow is open.""" if self._fullscreen_window and self._fullscreen_window.isVisible(): self._preview._info_label.setText(info) self._preview._current_path = path else: self._set_preview_media(path, info) def _update_fullscreen(self, path: str, info: str) -> None: """Sync the fullscreen window with the current preview media.""" if self._fullscreen_window and self._fullscreen_window.isVisible(): self._preview._video_player.stop() self._fullscreen_window.set_media(path, info) # Show/hide action buttons based on current tab show = self._stack.currentIndex() != 2 self._fullscreen_window._bookmark_btn.setVisible(show) self._fullscreen_window._save_btn.setVisible(show) if show: self._update_fullscreen_state() def _update_fullscreen_state(self) -> None: """Update slideshow button states for the current post.""" if not self._fullscreen_window: return from ..core.config import saved_dir, saved_folder_dir, MEDIA_EXTENSIONS site_id = self._site_combo.currentData() if self._stack.currentIndex() == 1: # Bookmarks view grid = self._bookmarks_view._grid favs = self._bookmarks_view._bookmarks idx = grid.selected_index if 0 <= idx < len(favs): fav = favs[idx] saved = False if fav.folder: saved = any( (saved_folder_dir(fav.folder) / f"{fav.post_id}{ext}").exists() for ext in MEDIA_EXTENSIONS ) else: saved = any( (saved_dir() / f"{fav.post_id}{ext}").exists() for ext in MEDIA_EXTENSIONS ) self._fullscreen_window.update_state(True, saved) else: self._fullscreen_window.update_state(False, False) else: idx = self._grid.selected_index if 0 <= idx < len(self._posts) and site_id: post = self._posts[idx] bookmarked = self._db.is_bookmarked(site_id, post.id) saved = any( (saved_dir() / f"{post.id}{ext}").exists() for ext in MEDIA_EXTENSIONS ) if not saved: for folder in self._db.get_folders(): saved = any( (saved_folder_dir(folder) / f"{post.id}{ext}").exists() for ext in MEDIA_EXTENSIONS ) if saved: break self._fullscreen_window.update_state(bookmarked, saved) else: self._fullscreen_window.update_state(False, False) def _on_image_done(self, path: str, info: str) -> None: self._dl_progress.hide() if self._fullscreen_window and self._fullscreen_window.isVisible(): # Slideshow is open — only show there, keep preview clear self._preview._info_label.setText(info) self._preview._current_path = path else: self._set_preview_media(path, info) self._status.showMessage("Loaded") # Update drag path on the selected thumbnail idx = self._grid.selected_index if 0 <= idx < len(self._grid._thumbs): self._grid._thumbs[idx]._cached_path = path self._update_fullscreen(path, info) # Auto-evict if over cache limit self._auto_evict_cache() def _auto_evict_cache(self) -> None: if not self._db.get_setting_bool("auto_evict"): return max_mb = self._db.get_setting_int("max_cache_mb") if max_mb <= 0: return max_bytes = max_mb * 1024 * 1024 current = cache_size_bytes(include_thumbnails=False) if current > max_bytes: protected = set() for fav in self._db.get_bookmarks(limit=999999): if fav.cached_path: protected.add(fav.cached_path) evicted = evict_oldest(max_bytes, protected) if evicted: log.info(f"Auto-evicted {evicted} cached files") def _on_library_selected(self, path: str) -> None: self._set_preview_media(path, Path(path).name) self._update_fullscreen(path, Path(path).name) def _on_library_activated(self, path: str) -> None: self._set_preview_media(path, Path(path).name) self._update_fullscreen(path, Path(path).name) def _on_bookmark_selected(self, fav) -> None: self._status.showMessage(f"Bookmark #{fav.post_id}") self._on_bookmark_activated(fav) def _on_bookmark_activated(self, fav) -> None: info = f"Bookmark #{fav.post_id}" # Try local cache first if fav.cached_path and Path(fav.cached_path).exists(): self._set_preview_media(fav.cached_path, info) self._update_fullscreen(fav.cached_path, info) return # Try saved library from ..core.config import saved_dir, saved_folder_dir search_dirs = [saved_dir()] if fav.folder: search_dirs.insert(0, saved_folder_dir(fav.folder)) for d in search_dirs: for ext in MEDIA_EXTENSIONS: path = d / f"{fav.post_id}{ext}" if path.exists(): self._set_preview_media(str(path), info) self._update_fullscreen(str(path), info) return # Download it self._status.showMessage(f"Downloading #{fav.post_id}...") async def _dl(): try: path = await download_image(fav.file_url) # Update cached_path in DB self._db.update_bookmark_cache_path(fav.id, str(path)) info = f"Bookmark #{fav.post_id}" self._signals.image_done.emit(str(path), info) except Exception as e: self._signals.image_error.emit(str(e)) self._run_async(_dl) def _open_preview_in_default(self) -> None: # Try the currently selected post first idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._open_in_default(self._posts[idx]) return # Fall back to finding any cached image that matches the preview from ..core.cache import cache_dir from PySide6.QtGui import QDesktopServices # Open the most recently modified file in cache cache = cache_dir() files = sorted(cache.iterdir(), key=lambda f: f.stat().st_mtime, reverse=True) for f in files: if f.is_file() and f.suffix in ('.jpg', '.jpeg', '.png', '.gif', '.webp'): QDesktopServices.openUrl(QUrl.fromLocalFile(str(f))) return def _open_preview_in_browser(self) -> None: idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._open_in_browser(self._posts[idx]) def _navigate_preview(self, direction: int) -> None: """Navigate to prev/next post in the preview. direction: -1 or +1.""" if self._stack.currentIndex() == 1: # Bookmarks view grid = self._bookmarks_view._grid favs = self._bookmarks_view._bookmarks idx = grid.selected_index + direction if 0 <= idx < len(favs): grid._select(idx) self._on_bookmark_activated(favs[idx]) else: idx = self._grid.selected_index + direction log.info(f"Navigate: direction={direction} current={self._grid.selected_index} next={idx} total={len(self._posts)}") if 0 <= idx < len(self._posts): self._grid._select(idx) self._on_post_activated(idx) elif idx >= len(self._posts) and direction > 0 and len(self._posts) > 0: self._nav_page_turn = "first" self._next_page() elif idx < 0 and direction < 0 and self._current_page > 1: self._nav_page_turn = "last" self._prev_page() def _bookmark_from_preview(self) -> None: idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._toggle_bookmark(idx) self._update_fullscreen_state() def _save_from_preview(self, folder: str) -> None: idx = self._grid.selected_index if 0 <= idx < len(self._posts): target = folder if folder else None if folder and folder not in self._db.get_folders(): self._db.add_folder(folder) self._save_to_library(self._posts[idx], target) self._update_fullscreen_state() def _unsave_from_preview(self) -> None: idx = self._grid.selected_index if 0 <= idx < len(self._posts): post = self._posts[idx] from ..core.cache import delete_from_library site_id = self._site_combo.currentData() folder = None if site_id: favs = self._db.get_bookmarks(site_id=site_id) for f in favs: if f.post_id == post.id and f.folder: folder = f.folder break if delete_from_library(post.id, folder): self._status.showMessage(f"Removed #{post.id} from library") if 0 <= idx < len(self._grid._thumbs): self._grid._thumbs[idx].set_saved_locally(False) else: self._status.showMessage(f"#{post.id} not in library") self._update_fullscreen_state() def _save_toggle_from_slideshow(self) -> None: if self._fullscreen_window and self._fullscreen_window._is_saved: self._unsave_from_preview() else: self._save_from_preview("") def _open_fullscreen_preview(self) -> None: path = self._preview._current_path if not path: return # Clear the main preview — slideshow takes over info = self._preview._info_label.text() self._preview.clear() self._preview._info_label.setText(info) self._preview._current_path = path from .preview import FullscreenPreview cols = self._grid._flow.columns show_actions = self._stack.currentIndex() != 2 # hide for Library tab self._fullscreen_window = FullscreenPreview(grid_cols=cols, show_actions=show_actions, parent=self) self._fullscreen_window.navigate.connect(self._navigate_fullscreen) if show_actions: self._fullscreen_window.bookmark_requested.connect(self._bookmark_from_preview) self._fullscreen_window.save_toggle_requested.connect(self._save_toggle_from_slideshow) self._fullscreen_window.destroyed.connect(self._on_fullscreen_closed) self._fullscreen_window.set_media(path, self._preview._info_label.text()) if show_actions: self._update_fullscreen_state() def _on_fullscreen_closed(self) -> None: # Restore preview with current media path = self._preview._current_path info = self._preview._info_label.text() self._fullscreen_window = None if path: self._preview.set_media(path, info) def _navigate_fullscreen(self, direction: int) -> None: self._navigate_preview(direction) # For synchronous loads (cached/bookmarks), update immediately if self._preview._current_path: self._update_fullscreen( self._preview._current_path, self._preview._info_label.text(), ) def _close_preview(self) -> None: self._preview.clear() # -- Context menu -- def _on_context_menu(self, index: int, pos) -> None: if index < 0 or index >= len(self._posts): return post = self._posts[index] menu = QMenu(self) open_browser = menu.addAction("Open in Browser") open_default = menu.addAction("Open in Default App") menu.addSeparator() save_as = menu.addAction("Save As...") # Save to Library submenu save_lib_menu = menu.addMenu("Save to Library") save_lib_unsorted = save_lib_menu.addAction("Unsorted") save_lib_menu.addSeparator() save_lib_folders = {} for folder in self._db.get_folders(): a = save_lib_menu.addAction(folder) save_lib_folders[id(a)] = folder save_lib_menu.addSeparator() save_lib_new = save_lib_menu.addAction("+ New Folder...") unsave_lib = menu.addAction("Unsave from Library") copy_url = menu.addAction("Copy Image URL") copy_tags = menu.addAction("Copy Tags") menu.addSeparator() fav_action = menu.addAction("Remove Bookmark" if self._is_current_bookmarked(index) else "Bookmark") menu.addSeparator() bl_menu = menu.addMenu("Blacklist Tag") if post.tag_categories: for category, tags in post.tag_categories.items(): cat_menu = bl_menu.addMenu(category) for tag in tags[:30]: cat_menu.addAction(tag) else: for tag in post.tag_list[:30]: bl_menu.addAction(tag) bl_post_action = menu.addAction("Blacklist Post") action = menu.exec(pos) if not action: return if action == open_browser: self._open_in_browser(post) elif action == open_default: self._open_in_default(post) elif action == save_as: self._save_as(post) elif action == save_lib_unsorted: self._save_to_library(post, None) elif action == save_lib_new: from PySide6.QtWidgets import QInputDialog name, ok = QInputDialog.getText(self, "New Folder", "Folder name:") if ok and name.strip(): self._db.add_folder(name.strip()) self._save_to_library(post, name.strip()) elif id(action) in save_lib_folders: self._save_to_library(post, save_lib_folders[id(action)]) elif action == unsave_lib: from ..core.cache import delete_from_library site_id = self._site_combo.currentData() folder = None if site_id: favs = self._db.get_bookmarks(site_id=site_id) for f in favs: if f.post_id == post.id and f.folder: folder = f.folder break if delete_from_library(post.id, folder): self._status.showMessage(f"Removed #{post.id} from library") if 0 <= index < len(self._grid._thumbs): self._grid._thumbs[index].set_saved_locally(False) else: self._status.showMessage(f"#{post.id} not in library") elif action == copy_url: QApplication.clipboard().setText(post.file_url) self._status.showMessage("URL copied") elif action == copy_tags: QApplication.clipboard().setText(post.tags) self._status.showMessage("Tags copied") elif action == fav_action: self._toggle_bookmark(index) elif self._is_child_of_menu(action, bl_menu): tag = action.text() self._db.add_blacklisted_tag(tag) self._db.set_setting("blacklist_enabled", "1") self._status.showMessage(f"Blacklisted: {tag}") self._do_search() elif action == bl_post_action: self._db.add_blacklisted_post(post.file_url) self._status.showMessage(f"Post #{post.id} blacklisted") self._do_search() @staticmethod def _is_child_of_menu(action, menu) -> bool: parent = action.parent() while parent: if parent == menu: return True parent = getattr(parent, 'parent', lambda: None)() return False def _on_multi_context_menu(self, indices: list, pos) -> None: """Context menu for multi-selected posts.""" posts = [self._posts[i] for i in indices if 0 <= i < len(self._posts)] if not posts: return count = len(posts) menu = QMenu(self) fav_all = menu.addAction(f"Bookmark All ({count})") save_menu = menu.addMenu(f"Save All to Library ({count})") save_unsorted = save_menu.addAction("Unsorted") save_folder_actions = {} for folder in self._db.get_folders(): a = save_menu.addAction(folder) save_folder_actions[id(a)] = folder save_menu.addSeparator() save_new = save_menu.addAction("+ New Folder...") menu.addSeparator() unfav_all = menu.addAction(f"Remove All Bookmarks ({count})") menu.addSeparator() batch_dl = menu.addAction(f"Download All ({count})...") copy_urls = menu.addAction("Copy All URLs") action = menu.exec(pos) if not action: return if action == fav_all: self._bulk_bookmark(indices, posts) elif action == save_unsorted: self._bulk_save(indices, posts, None) elif action == save_new: from PySide6.QtWidgets import QInputDialog name, ok = QInputDialog.getText(self, "New Folder", "Folder name:") if ok and name.strip(): self._db.add_folder(name.strip()) self._bulk_save(indices, posts, name.strip()) elif id(action) in save_folder_actions: self._bulk_save(indices, posts, save_folder_actions[id(action)]) elif action == batch_dl: from .dialogs import select_directory dest = select_directory(self, "Download to folder") if dest: self._batch_download_posts(posts, dest) elif action == unfav_all: site_id = self._site_combo.currentData() if site_id: from ..core.cache import delete_from_library from ..core.config import saved_dir, saved_folder_dir for post in posts: # Delete from unsorted library delete_from_library(post.id, None) # Delete from all folders for folder in self._db.get_folders(): delete_from_library(post.id, folder) self._db.remove_bookmark(site_id, post.id) for idx in indices: if 0 <= idx < len(self._grid._thumbs): self._grid._thumbs[idx].set_bookmarked(False) self._grid._thumbs[idx].set_saved_locally(False) self._grid._clear_multi() self._status.showMessage(f"Removed {count} bookmarks") elif action == copy_urls: urls = "\n".join(p.file_url for p in posts) QApplication.clipboard().setText(urls) self._status.showMessage(f"Copied {count} URLs") def _bulk_bookmark(self, indices: list[int], posts: list[Post]) -> None: site_id = self._site_combo.currentData() if not site_id: return self._status.showMessage(f"Favoriting {len(posts)}...") async def _do(): for i, (idx, post) in enumerate(zip(indices, posts)): if self._db.is_bookmarked(site_id, post.id): continue try: path = await download_image(post.file_url) self._db.add_bookmark( site_id=site_id, post_id=post.id, file_url=post.file_url, preview_url=post.preview_url, tags=post.tags, rating=post.rating, score=post.score, source=post.source, cached_path=str(path), ) self._signals.bookmark_done.emit(idx, f"Bookmarked {i+1}/{len(posts)}") except Exception: pass self._signals.batch_done.emit(f"Bookmarked {len(posts)} posts") self._run_async(_do) def _bulk_save(self, indices: list[int], posts: list[Post], folder: str | None) -> None: site_id = self._site_combo.currentData() where = folder or "Unsorted" self._status.showMessage(f"Saving {len(posts)} to {where}...") async def _do(): from ..core.config import saved_dir, saved_folder_dir import shutil for i, (idx, post) in enumerate(zip(indices, posts)): try: path = await download_image(post.file_url) ext = Path(path).suffix dest_dir = saved_folder_dir(folder) if folder else saved_dir() dest = dest_dir / f"{post.id}{ext}" if not dest.exists(): shutil.copy2(path, dest) if site_id and not self._db.is_bookmarked(site_id, post.id): self._db.add_bookmark( site_id=site_id, post_id=post.id, file_url=post.file_url, preview_url=post.preview_url, tags=post.tags, rating=post.rating, score=post.score, source=post.source, cached_path=str(path), folder=folder, ) self._signals.bookmark_done.emit(idx, f"Saved {i+1}/{len(posts)} to {where}") except Exception: pass self._signals.batch_done.emit(f"Saved {len(posts)} to {where}") self._run_async(_do) def _ensure_bookmarked(self, post: Post) -> None: """Bookmark a post if not already bookmarked.""" site_id = self._site_combo.currentData() if not site_id or self._db.is_bookmarked(site_id, post.id): return async def _fav(): try: path = await download_image(post.file_url) self._db.add_bookmark( site_id=site_id, post_id=post.id, file_url=post.file_url, preview_url=post.preview_url, tags=post.tags, rating=post.rating, score=post.score, source=post.source, cached_path=str(path), ) except Exception: pass self._run_async(_fav) def _batch_download_posts(self, posts: list, dest: str) -> None: async def _batch(): for i, post in enumerate(posts): try: path = await download_image(post.file_url) ext = Path(path).suffix target = Path(dest) / f"{post.id}{ext}" if not target.exists(): import shutil shutil.copy2(path, target) self._signals.batch_progress.emit(i + 1, len(posts)) except Exception as e: log.warning(f"Batch #{post.id} failed: {e}") self._signals.batch_done.emit(f"Downloaded {len(posts)} images to {dest}") self._run_async(_batch) def _is_current_bookmarked(self, index: int) -> bool: site_id = self._site_combo.currentData() if not site_id or index < 0 or index >= len(self._posts): return False return self._db.is_bookmarked(site_id, self._posts[index].id) def _open_in_browser(self, post: Post) -> None: if self._current_site: base = self._current_site.url api = self._current_site.api_type if api == "danbooru" or api == "e621": url = f"{base}/posts/{post.id}" elif api == "gelbooru": url = f"{base}/index.php?page=post&s=view&id={post.id}" elif api == "moebooru": url = f"{base}/post/show/{post.id}" else: url = f"{base}/posts/{post.id}" QDesktopServices.openUrl(QUrl(url)) def _open_in_default(self, post: Post) -> None: from ..core.cache import cached_path_for, is_cached path = cached_path_for(post.file_url) if path.exists(): QDesktopServices.openUrl(QUrl.fromLocalFile(str(path))) else: self._status.showMessage("Image not cached yet — double-click to download first") def _save_to_library(self, post: Post, folder: str | None) -> None: """Download and save image to the library folder structure.""" from ..core.config import saved_dir, saved_folder_dir self._status.showMessage(f"Saving #{post.id} to library...") async def _save(): try: path = await download_image(post.file_url) ext = Path(path).suffix if folder: dest_dir = saved_folder_dir(folder) else: dest_dir = saved_dir() dest = dest_dir / f"{post.id}{ext}" if not dest.exists(): import shutil shutil.copy2(path, dest) where = folder or "Unsorted" self._signals.bookmark_done.emit( self._grid.selected_index, f"Saved #{post.id} to {where}" ) except Exception as e: self._signals.bookmark_error.emit(str(e)) self._run_async(_save) def _save_as(self, post: Post) -> None: from ..core.cache import cached_path_for from .dialogs import save_file src = cached_path_for(post.file_url) if not src.exists(): self._status.showMessage("Image not cached — double-click to download first") return ext = src.suffix dest = save_file(self, "Save Image", f"post_{post.id}{ext}", f"Images (*{ext})") if dest: import shutil shutil.copy2(src, dest) self._status.showMessage(f"Saved to {dest}") # -- Batch download -- def _batch_download(self) -> None: if not self._posts: self._status.showMessage("No posts to download") return from .dialogs import select_directory dest = select_directory(self, "Download to folder") if not dest: return posts = list(self._posts) self._status.showMessage(f"Downloading {len(posts)} images...") async def _batch(): for i, post in enumerate(posts): try: path = await download_image(post.file_url) ext = Path(path).suffix target = Path(dest) / f"{post.id}{ext}" if not target.exists(): import shutil shutil.copy2(path, target) self._signals.batch_progress.emit(i + 1, len(posts)) except Exception as e: log.warning(f"Batch #{post.id} failed: {e}") self._signals.batch_done.emit(f"Downloaded {len(posts)} images to {dest}") self._run_async(_batch) def _on_batch_progress(self, current: int, total: int) -> None: self._status.showMessage(f"Downloading {current}/{total}...") # -- Toggles -- def _toggle_log(self) -> None: self._log_text.setVisible(not self._log_text.isVisible()) def _toggle_info(self) -> None: self._info_panel.setVisible(not self._info_panel.isVisible()) if self._info_panel.isVisible() and 0 <= self._grid.selected_index < len(self._posts): self._info_panel.set_post(self._posts[self._grid.selected_index]) def _open_site_manager(self) -> None: dlg = SiteManagerDialog(self._db, self) dlg.sites_changed.connect(self._load_sites) dlg.exec() def _open_settings(self) -> None: dlg = SettingsDialog(self._db, self) dlg.settings_changed.connect(self._apply_settings) self._bookmarks_imported = False dlg.bookmarks_imported.connect(lambda: setattr(self, '_favorites_imported', True)) dlg.exec() if self._bookmarks_imported: self._switch_view(1) self._bookmarks_view.refresh() def _apply_settings(self) -> None: """Re-read settings from DB and apply to UI.""" rating = self._db.get_setting("default_rating") idx = self._rating_combo.findText(rating.capitalize() if rating != "all" else "All") if idx >= 0: self._rating_combo.setCurrentIndex(idx) self._score_spin.setValue(self._db.get_setting_int("default_score")) self._bookmarks_view.refresh() self._status.showMessage("Settings applied") # -- Fullscreen & Privacy -- def _toggle_fullscreen(self) -> None: if self.isFullScreen(): self.showNormal() else: self.showFullScreen() # -- Privacy screen -- def _toggle_privacy(self) -> None: if not hasattr(self, '_privacy_on'): self._privacy_on = False self._privacy_overlay = QWidget(self) self._privacy_overlay.setStyleSheet("background: black;") self._privacy_overlay.hide() self._privacy_on = not self._privacy_on if self._privacy_on: self._privacy_overlay.setGeometry(self.rect()) self._privacy_overlay.raise_() self._privacy_overlay.show() self.setWindowTitle("booru-viewer") else: self._privacy_overlay.hide() def resizeEvent(self, event) -> None: super().resizeEvent(event) if hasattr(self, '_privacy_overlay') and self._privacy_on: self._privacy_overlay.setGeometry(self.rect()) # -- Keyboard shortcuts -- def keyPressEvent(self, event) -> None: key = event.key() # Privacy screen always works if key == Qt.Key.Key_P and event.modifiers() == Qt.KeyboardModifier.ControlModifier: self._toggle_privacy() return # If privacy is on, only allow toggling it off if hasattr(self, '_privacy_on') and self._privacy_on: return if key == Qt.Key.Key_F and self._posts: idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._toggle_bookmark(idx) return elif key == Qt.Key.Key_I: self._toggle_info() return elif key == Qt.Key.Key_O and self._posts: idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._open_in_default(self._posts[idx]) return super().keyPressEvent(event) # -- Bookmarks -- def _toggle_bookmark(self, index: int) -> None: post = self._posts[index] site_id = self._site_combo.currentData() if not site_id: return if self._db.is_bookmarked(site_id, post.id): self._db.remove_bookmark(site_id, post.id) self._status.showMessage(f"Unbookmarked #{post.id}") thumbs = self._grid._thumbs if 0 <= index < len(thumbs): thumbs[index].set_bookmarked(False) else: self._status.showMessage(f"Bookmarking #{post.id}...") async def _fav(): try: path = await download_image(post.file_url) self._db.add_bookmark( site_id=site_id, post_id=post.id, file_url=post.file_url, preview_url=post.preview_url, tags=post.tags, rating=post.rating, score=post.score, source=post.source, cached_path=str(path), ) self._signals.bookmark_done.emit(index, f"Bookmarked #{post.id}") except Exception as e: self._signals.bookmark_error.emit(str(e)) self._run_async(_fav) def _on_bookmark_done(self, index: int, msg: str) -> None: self._status.showMessage(msg) thumbs = self._grid._thumbs if 0 <= index < len(thumbs): if "Saved" in msg: thumbs[index].set_saved_locally(True) elif "Bookmarked" in msg: thumbs[index].set_bookmarked(True) self._update_fullscreen_state() def closeEvent(self, event) -> None: self._async_loop.call_soon_threadsafe(self._async_loop.stop) self._async_thread.join(timeout=2) if self._db.get_setting_bool("clear_cache_on_exit"): from ..core.cache import clear_cache clear_cache(clear_images=True, clear_thumbnails=True) self._db.clear_search_history() self._db.close() super().closeEvent(event) def _apply_windows_dark_mode(app: QApplication) -> None: """Detect Windows dark mode and apply Fusion dark palette if needed.""" try: import winreg key = winreg.OpenKey( winreg.HKEY_CURRENT_USER, r"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize", ) value, _ = winreg.QueryValueEx(key, "AppsUseLightTheme") winreg.CloseKey(key) if value == 0: from PySide6.QtGui import QPalette, QColor app.setStyle("Fusion") palette = QPalette() palette.setColor(QPalette.ColorRole.Window, QColor(32, 32, 32)) palette.setColor(QPalette.ColorRole.WindowText, QColor(255, 255, 255)) palette.setColor(QPalette.ColorRole.Base, QColor(25, 25, 25)) palette.setColor(QPalette.ColorRole.AlternateBase, QColor(38, 38, 38)) palette.setColor(QPalette.ColorRole.ToolTipBase, QColor(50, 50, 50)) palette.setColor(QPalette.ColorRole.ToolTipText, QColor(255, 255, 255)) palette.setColor(QPalette.ColorRole.Text, QColor(255, 255, 255)) palette.setColor(QPalette.ColorRole.Button, QColor(51, 51, 51)) palette.setColor(QPalette.ColorRole.ButtonText, QColor(255, 255, 255)) palette.setColor(QPalette.ColorRole.BrightText, QColor(255, 0, 0)) palette.setColor(QPalette.ColorRole.Link, QColor(0, 120, 215)) palette.setColor(QPalette.ColorRole.Highlight, QColor(0, 120, 215)) palette.setColor(QPalette.ColorRole.HighlightedText, QColor(255, 255, 255)) palette.setColor(QPalette.ColorRole.Mid, QColor(51, 51, 51)) palette.setColor(QPalette.ColorRole.Dark, QColor(25, 25, 25)) palette.setColor(QPalette.ColorRole.Shadow, QColor(0, 0, 0)) palette.setColor(QPalette.ColorRole.Light, QColor(60, 60, 60)) palette.setColor(QPalette.ColorRole.Midlight, QColor(55, 55, 55)) palette.setColor(QPalette.ColorGroup.Disabled, QPalette.ColorRole.Text, QColor(127, 127, 127)) palette.setColor(QPalette.ColorGroup.Disabled, QPalette.ColorRole.ButtonText, QColor(127, 127, 127)) app.setPalette(palette) # Flatten Fusion's 3D look app.setStyleSheet(app.styleSheet() + """ QPushButton { border: 1px solid #555; border-radius: 2px; padding: 4px 12px; } QPushButton:hover { background-color: #444; } QPushButton:pressed { background-color: #333; } QComboBox { border: 1px solid #555; border-radius: 2px; padding: 3px 6px; } QSpinBox { border: 1px solid #555; border-radius: 2px; } QLineEdit, QTextEdit { border: 1px solid #555; border-radius: 2px; padding: 3px; color: #fff; background-color: #191919; } QScrollBar:vertical { background: #252525; width: 12px; } QScrollBar::handle:vertical { background: #555; border-radius: 4px; min-height: 20px; } QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical { height: 0; } """) except Exception: pass def run() -> None: from ..core.config import data_dir app = QApplication(sys.argv) # Apply dark mode on Windows 10+ if system is set to dark if sys.platform == "win32": _apply_windows_dark_mode(app) # Load user custom stylesheet if it exists custom_css = data_dir() / "custom.qss" if custom_css.exists(): try: # Use Fusion style so QSS has full control over rendering app.setStyle("Fusion") css_text = custom_css.read_text() app.setStyleSheet(css_text) # Extract selection color from QSS and apply to palette import re m = re.search(r'selection-background-color\s*:\s*(#[0-9a-fA-F]{3,8})', css_text) if m: from PySide6.QtGui import QPalette, QColor pal = app.palette() pal.setColor(QPalette.ColorRole.Highlight, QColor(m.group(1))) app.setPalette(pal) except Exception: pass # Set app icon (works in taskbar on all platforms) from PySide6.QtGui import QIcon # PyInstaller sets _MEIPASS for bundled data base_dir = Path(getattr(sys, '_MEIPASS', Path(__file__).parent.parent.parent)) icon_path = base_dir / "icon.png" if not icon_path.exists(): icon_path = Path(__file__).parent.parent.parent / "icon.png" if not icon_path.exists(): icon_path = data_dir() / "icon.png" if icon_path.exists(): app.setWindowIcon(QIcon(str(icon_path))) window = BooruApp() window.show() sys.exit(app.exec())