"""Main BooruApp window class.""" from __future__ import annotations import asyncio import logging import os import sys import threading from pathlib import Path from PySide6.QtCore import Qt, QTimer, Signal, 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, QTextEdit, QSpinBox, QProgressBar, ) from dataclasses import field 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 from .grid import ThumbnailGrid from .preview_pane import ImagePreview from .search import SearchBar from .sites import SiteManagerDialog from .bookmarks import BookmarksView from .library import LibraryView from .settings import SettingsDialog from .log_handler import LogHandler from .async_signals import AsyncSignals from .info_panel import InfoPanel from .window_state import WindowStateController from .privacy import PrivacyController from .search_controller import SearchController from .media_controller import MediaController from .popout_controller import PopoutController from .post_actions import PostActionsController from .context_menus import ContextMenuHandler log = logging.getLogger("booru") # -- 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)) # Apply saved thumbnail size saved_thumb = self._db.get_setting_int("thumbnail_size") if saved_thumb: import booru_viewer.gui.grid as grid_mod grid_mod.THUMB_SIZE = saved_thumb self._current_site: Site | None = None self._posts: list[Post] = [] 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() # Register the persistent loop as the process-wide app loop. Anything # that wants to schedule async work — `gui/sites.py`, `gui/bookmarks.py`, # any future helper — calls `core.concurrency.run_on_app_loop` which # uses this same loop. The whole point of PR2 is to never run async # code on a throwaway loop again. from ..core.concurrency import set_app_loop set_app_loop(self._async_loop) # Reset shared HTTP clients from previous session from ..core.api.base import BooruClient from ..core.api.e621 import E621Client BooruClient._shared_client = None E621Client._e621_client = None E621Client._e621_to_close = [] import booru_viewer.core.cache as _cache_mod _cache_mod._shared_client = None # Controllers must be constructed before _setup_signals and # _setup_ui, which wire signals to controller methods. self._window_state = WindowStateController(self) self._privacy = PrivacyController(self) self._search_ctrl = SearchController(self) self._media_ctrl = MediaController(self) self._popout_ctrl = PopoutController(self) self._post_actions = PostActionsController(self) self._context = ContextMenuHandler(self) self._setup_signals() self._setup_ui() self._setup_menu() self._load_sites() # One-shot orphan cleanup — must run after DB + library dir are # configured, before the library tab is first populated. orphans = self._db.reconcile_library_meta() if orphans: log.info("Reconciled %d orphan library_meta rows", orphans) # Debounced save for the main window state — fires from resizeEvent # (and from the splitter timer's flush on close). Uses the same # 300ms debounce pattern as the splitter saver. self._main_window_save_timer = QTimer(self) self._main_window_save_timer.setSingleShot(True) self._main_window_save_timer.setInterval(300) self._main_window_save_timer.timeout.connect(self._window_state.save_main_window_state) # Restore window state (geometry, floating) on the next event-loop # iteration — by then main.py has called show() and the window has # been registered with the compositor. QTimer.singleShot(0, self._window_state.restore_main_window_state) def _setup_signals(self) -> None: Q = Qt.ConnectionType.QueuedConnection s = self._signals s.search_done.connect(self._search_ctrl.on_search_done, Q) s.search_append.connect(self._search_ctrl.on_search_append, Q) s.search_error.connect(self._search_ctrl.on_search_error, Q) s.thumb_done.connect(self._search_ctrl.on_thumb_done, Q) s.image_done.connect(self._media_ctrl.on_image_done, Q) s.image_error.connect(self._on_image_error, Q) s.video_stream.connect(self._media_ctrl.on_video_stream, Q) s.bookmark_done.connect(self._post_actions.on_bookmark_done, Q) s.bookmark_error.connect(self._post_actions.on_bookmark_error, Q) s.autocomplete_done.connect(self._search_ctrl.on_autocomplete_done, Q) s.batch_progress.connect(self._post_actions.on_batch_progress, Q) s.batch_done.connect(self._post_actions.on_batch_done, Q) s.download_progress.connect(self._media_ctrl.on_download_progress, Q) s.prefetch_progress.connect(self._media_ctrl.on_prefetch_progress, Q) s.categories_updated.connect(self._on_categories_updated, Q) def _get_category_fetcher(self): """Return the CategoryFetcher for the active site, or None.""" client = self._make_client() return client.category_fetcher if client else None def _ensure_post_categories_async(self, post) -> None: """Schedule an async ensure_categories for the post. No-op if the active client doesn't have a CategoryFetcher (Danbooru/e621 categorize inline, no fetcher needed). Sets _categories_pending on the info panel so it skips the flat-tag fallback render (avoids the flat→categorized re-layout hitch). The flag clears when categories arrive. """ client = self._make_client() if client is None or client.category_fetcher is None: self._info_panel._categories_pending = False return self._info_panel._categories_pending = True fetcher = client.category_fetcher signals = self._signals async def _do(): try: await fetcher.ensure_categories(post) if post.tag_categories: signals.categories_updated.emit(post) except Exception as e: log.debug(f"ensure_categories failed: {e}") asyncio.run_coroutine_threadsafe(_do(), self._async_loop) def _on_categories_updated(self, post) -> None: """Background tag-category fill completed for a post. Re-render the info panel and preview pane if either is currently showing this post. The post object was mutated in place by the CategoryFetcher, so we just call the panel's set_post / set_post_tags again to pick up the new dict. """ self._info_panel._categories_pending = False if not post or not post.tag_categories: return idx = self._grid.selected_index if 0 <= idx < len(self._posts) and self._posts[idx].id == post.id: self._info_panel.set_post(post) self._preview.set_post_tags(post.tag_categories, post.tag_list) def _on_image_error(self, e: str) -> None: self._dl_progress.hide() 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) # Media type filter self._media_filter = QComboBox() self._media_filter.addItems(["All", "Animated", "Video", "GIF", "Audio"]) self._media_filter.setToolTip("Filter by media type") self._media_filter.setFixedWidth(90) top.addWidget(self._media_filter) # Score filter — type the value directly. Spinbox arrows hidden # since the field is small enough to type into and the +/- buttons # were just visual noise. setFixedHeight(23) overrides Qt's # QSpinBox sizeHint which still reserves vertical space for the # arrow buttons internally even when `setButtonSymbols(NoButtons)` # is set, leaving the spinbox 3px taller than the surrounding # combos/inputs/buttons in the top toolbar (26 vs 23). 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(40) self._score_spin.setFixedHeight(23) self._score_spin.setButtonSymbols(QSpinBox.ButtonSymbols.NoButtons) top.addWidget(self._score_spin) page_label = QLabel("Page") top.addWidget(page_label) self._page_spin = QSpinBox() self._page_spin.setRange(1, 99999) self._page_spin.setValue(1) self._page_spin.setFixedWidth(40) self._page_spin.setFixedHeight(23) # match the surrounding 23px row self._page_spin.setButtonSymbols(QSpinBox.ButtonSymbols.NoButtons) top.addWidget(self._page_spin) self._search_bar = SearchBar(db=self._db) self._search_bar.search_requested.connect(self._search_ctrl.on_search) self._search_bar.autocomplete_requested.connect(self._search_ctrl.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(80) 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._media_ctrl.on_post_activated) self._grid.context_requested.connect(self._context.show_single) self._grid.multi_context_requested.connect(self._context.show_multi) self._grid.nav_past_end.connect(self._search_ctrl.on_nav_past_end) self._grid.nav_before_start.connect(self._search_ctrl.on_nav_before_start) 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._bookmarks_view.bookmarks_changed.connect(self._post_actions.refresh_browse_saved_dots) self._bookmarks_view.open_in_browser_requested.connect( lambda site_id, post_id: self._open_post_id_in_browser(post_id, site_id=site_id) ) self._stack.addWidget(self._bookmarks_view) self._library_view = LibraryView(db=self._db) self._library_view.file_selected.connect(self._on_library_selected) self._library_view.file_activated.connect(self._on_library_activated) self._library_view.files_deleted.connect(self._post_actions.on_library_files_deleted) self._stack.addWidget(self._library_view) self._splitter.addWidget(self._stack) # Right: preview + info (vertical split) self._right_splitter = 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._post_actions.bookmark_from_preview) self._preview.bookmark_to_folder.connect(self._post_actions.bookmark_to_folder_from_preview) self._preview.save_to_folder.connect(self._post_actions.save_from_preview) self._preview.unsave_requested.connect(self._post_actions.unsave_from_preview) self._preview.blacklist_tag_requested.connect(self._post_actions.blacklist_tag_from_popout) self._preview.blacklist_post_requested.connect(self._post_actions.blacklist_post_from_popout) self._preview.navigate.connect(self._navigate_preview) self._preview.play_next_requested.connect(self._on_video_end_next) self._preview.fullscreen_requested.connect(self._popout_ctrl.open) # Library folders come from the filesystem (subdirs of saved_dir), # not the bookmark folders DB table — those are separate concepts. from ..core.config import library_folders self._preview.set_folders_callback(library_folders) # Bookmark folders feed the toolbar Bookmark-as submenu, sourced # from the DB so it stays in sync with the bookmarks tab combo. self._preview.set_bookmark_folders_callback(self._db.get_folders) # Wide enough that the preview toolbar (Bookmark, Save, BL Tag, # BL Post, [stretch], Popout) has room to lay out all five buttons # at their fixed widths plus spacing without clipping the rightmost # one or compressing the row visually. self._preview.setMinimumWidth(380) 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) # Restore the right splitter sizes (preview / dl_progress / info) # from the persisted state. Falls back to the historic default if # nothing is saved or the saved string is malformed. saved_right = self._db.get_setting("right_splitter_sizes") right_applied = False if saved_right: try: parts = [int(p) for p in saved_right.split(",")] if len(parts) == 3 and all(p >= 0 for p in parts) and sum(parts) > 0: right.setSizes(parts) right_applied = True except ValueError: pass if not right_applied: right.setSizes([500, 0, 200]) # Restore info panel visibility from the persisted state. if self._db.get_setting_bool("info_panel_visible"): self._info_panel.show() # Debounced saver for the right splitter (same pattern as main). self._right_splitter_save_timer = QTimer(self) self._right_splitter_save_timer.setSingleShot(True) self._right_splitter_save_timer.setInterval(300) self._right_splitter_save_timer.timeout.connect(self._window_state.save_right_splitter_sizes) right.splitterMoved.connect( lambda *_: self._right_splitter_save_timer.start() ) self._splitter.addWidget(right) # Restore the persisted main-splitter sizes if present, otherwise # fall back to the historic default. The sizes are saved as a # comma-separated string in the settings table — same format as # slideshow_geometry to keep things consistent. saved_main_split = self._db.get_setting("main_splitter_sizes") applied = False if saved_main_split: try: parts = [int(p) for p in saved_main_split.split(",")] if len(parts) == 2 and all(p >= 0 for p in parts) and sum(parts) > 0: self._splitter.setSizes(parts) applied = True except ValueError: pass if not applied: self._splitter.setSizes([600, 500]) # Debounced save on drag — splitterMoved fires hundreds of times # per second, so we restart a 300ms one-shot and save when it stops. self._main_splitter_save_timer = QTimer(self) self._main_splitter_save_timer.setSingleShot(True) self._main_splitter_save_timer.setInterval(300) self._main_splitter_save_timer.timeout.connect(self._window_state.save_main_splitter_sizes) self._splitter.splitterMoved.connect( lambda *_: self._main_splitter_save_timer.start() ) layout.addWidget(self._splitter, stretch=1) # Bottom page nav (centered) self._bottom_nav = QWidget() bottom_nav = QHBoxLayout(self._bottom_nav) bottom_nav.setContentsMargins(0, 4, 0, 4) bottom_nav.addStretch() self._page_label = QLabel("Page 1") bottom_nav.addWidget(self._page_label) self._prev_page_btn = QPushButton("Prev") self._prev_page_btn.setFixedWidth(60) self._prev_page_btn.clicked.connect(self._search_ctrl.prev_page) bottom_nav.addWidget(self._prev_page_btn) self._next_page_btn = QPushButton("Next") self._next_page_btn.setFixedWidth(60) self._next_page_btn.clicked.connect(self._search_ctrl.next_page) bottom_nav.addWidget(self._next_page_btn) bottom_nav.addStretch() layout.addWidget(self._bottom_nav) # Infinite scroll (state lives on _search_ctrl, but UI visibility here) if self._search_ctrl._infinite_scroll: self._bottom_nav.hide() self._grid.reached_bottom.connect(self._search_ctrl.on_reached_bottom) self._grid.verticalScrollBar().rangeChanged.connect(self._search_ctrl.on_scroll_range_changed) # 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)) QShortcut(QKeySequence("Ctrl+C"), self, self._copy_file_to_clipboard) 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() self._batch_action = QAction("Batch &Download Page...", self) self._batch_action.setShortcut(QKeySequence("Ctrl+D")) self._batch_action.triggered.connect(self._post_actions.batch_download) file_menu.addAction(self._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._privacy.toggle) 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) # Select default site if configured default_id = self._db.get_setting_int("default_site_id") if default_id: idx = self._site_combo.findData(default_id) if idx >= 0: self._site_combo.setCurrentIndex(idx) 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, db=self._db, site_id=s.id, ) 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}") # Reset browse state for the new site — stale page numbers # and results from the previous site shouldn't carry over. self._page_spin.setValue(1) self._posts.clear() self._grid.set_posts(0) self._preview.clear() self._search_ctrl.reset() def _on_rating_changed(self, text: str) -> None: self._search_ctrl._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) # Batch Download (Ctrl+D / File menu) only makes sense on browse — # bookmarks and library tabs already show local files, downloading # them again is meaningless. Disabling the QAction also disables # its keyboard shortcut. self._batch_action.setEnabled(index == 0) # Clear grid selections and current post to prevent cross-tab action conflicts # Preview media stays visible but actions are disabled until a new post is selected self._grid.clear_selection() self._bookmarks_view._grid.clear_selection() self._library_view._grid.clear_selection() self._preview._current_post = None self._preview._current_site_id = None is_library = index == 2 self._preview.update_bookmark_state(False) # On the library tab the Save button is the only toolbar action # left visible (Bookmark / BL Tag / BL Post are hidden a few lines # down). Library files are saved by definition, so the button # should read "Unsave" the entire time the user is in that tab — # forcing the state to True here makes that true even before the # user clicks anything (the toolbar might already be showing old # media from the previous tab; this is fine because the same media # is also in the library if it was just saved). self._preview.update_save_state(is_library) # Show/hide preview toolbar buttons per tab self._preview._bookmark_btn.setVisible(not is_library) self._preview._bl_tag_btn.setVisible(not is_library) self._preview._bl_post_btn.setVisible(not is_library) 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._preview.clear() self._switch_view(0) self._search_bar.set_text(tag) self._search_ctrl.on_search(tag) # (Search methods moved to search_controller.py) # (_on_reached_bottom moved to search_controller.py) # (_scroll_next_page, _scroll_prev_page moved to search_controller.py) # (_build_search_tags through _on_autocomplete_done moved to search_controller.py) # -- 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 ''}" + (f" {post.created_at}" if post.created_at else "") ) if self._info_panel.isVisible(): # Signal the info panel whether a category fetch is # about to fire so it skips the flat-tag fallback # (avoids the flat→categorized re-layout flash). if not post.tag_categories: client = self._make_client() self._info_panel._categories_pending = ( client is not None and client.category_fetcher is not None ) else: self._info_panel._categories_pending = False self._info_panel.set_post(post) self._media_ctrl.on_post_activated(index) def _post_id_from_library_path(self, path: Path) -> int | None: """Resolve a library file path back to its post_id.""" pid = self._db.get_library_post_id_by_filename(path.name) if pid is not None: return pid if path.stem.isdigit(): return int(path.stem) return None def _set_library_info(self, path: str) -> None: """Update info panel with library metadata for the given file.""" post_id = self._post_id_from_library_path(Path(path)) if post_id is None: return meta = self._db.get_library_meta(post_id) if meta: from ..core.api.base import Post p = Post( id=post_id, file_url=meta.get("file_url", ""), preview_url=None, tags=meta.get("tags", ""), score=meta.get("score", 0), rating=meta.get("rating"), source=meta.get("source"), tag_categories=meta.get("tag_categories", {}), ) self._info_panel.set_post(p) info = f"#{p.id} score:{p.score} [{p.rating}] {Path(path).suffix.lstrip('.').upper()}" + (f" {p.created_at}" if p.created_at else "") self._status.showMessage(info) def _on_library_selected(self, path: str) -> None: self._show_library_post(path) def _on_library_activated(self, path: str) -> None: self._show_library_post(path) def _show_library_post(self, path: str) -> None: # Read actual image dimensions so the popout can pre-fit and # set keep_aspect_ratio. library_meta doesn't store w/h, so # without this the popout gets 0/0 and skips the aspect lock. img_w, img_h = MediaController.image_dimensions(path) self._media_ctrl.set_preview_media(path, Path(path).name) self._set_library_info(path) # Build a Post from library metadata so toolbar actions work. # Templated filenames go through library_meta.filename; # legacy digit-stem files use int(stem). # width/height come from the file itself (library_meta doesn't # store them) so the popout can pre-fit and set keep_aspect_ratio. post_id = self._post_id_from_library_path(Path(path)) if post_id is not None: from ..core.api.base import Post meta = self._db.get_library_meta(post_id) or {} post = Post( id=post_id, file_url=meta.get("file_url", ""), preview_url=None, tags=meta.get("tags", ""), score=meta.get("score", 0), rating=meta.get("rating"), source=meta.get("source"), tag_categories=meta.get("tag_categories", {}), width=img_w, height=img_h, ) self._preview._current_post = post self._preview._current_site_id = self._site_combo.currentData() self._preview.update_save_state(True) self._preview.set_post_tags(post.tag_categories, post.tag_list) else: self._preview._current_post = None self._preview.update_save_state(True) # _update_fullscreen reads cp.width/cp.height from _current_post, # so it runs AFTER the Post is constructed with real dimensions. self._popout_ctrl.update_media(path, Path(path).name) def _on_bookmark_selected(self, fav) -> None: self._status.showMessage(f"Bookmark #{fav.post_id}") # Show bookmark tags in info panel from ..core.api.base import Post cats = fav.tag_categories or {} if not cats: meta = self._db.get_library_meta(fav.post_id) cats = meta.get("tag_categories", {}) if meta else {} p = Post( id=fav.post_id, file_url=fav.file_url or "", preview_url=fav.preview_url, tags=fav.tags or "", score=fav.score or 0, rating=fav.rating, source=fav.source, tag_categories=cats, ) self._info_panel.set_post(p) self._on_bookmark_activated(fav) def _on_bookmark_activated(self, fav) -> None: from ..core.api.base import Post cats = fav.tag_categories or {} post = Post( id=fav.post_id, file_url=fav.file_url or "", preview_url=fav.preview_url, tags=fav.tags or "", score=fav.score or 0, rating=fav.rating, source=fav.source, tag_categories=cats, ) self._preview._current_post = post self._preview._current_site_id = fav.site_id self._preview.set_post_tags(post.tag_categories, post.tag_list) self._preview.update_bookmark_state( bool(self._db.is_bookmarked(fav.site_id, post.id)) ) self._preview.update_save_state(self._post_actions.is_post_saved(post.id)) info = f"Bookmark #{fav.post_id}" # Try local cache first if fav.cached_path and Path(fav.cached_path).exists(): self._media_ctrl.set_preview_media(fav.cached_path, info) self._popout_ctrl.update_media(fav.cached_path, info) return # Try saved library — walk by post id; the file may live in any # library folder regardless of which bookmark folder fav is in. # Pass db so templated filenames also match (without it, only # legacy digit-stem files would be found). from ..core.config import find_library_files for path in find_library_files(fav.post_id, db=self._db): self._media_ctrl.set_preview_media(str(path), info) self._popout_ctrl.update_media(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: # The preview is shared across tabs but its right-click menu used # to read browse-tab grid/posts unconditionally and then fell back # to "open the most recently modified file in the cache", which on # bookmarks/library tabs opened a completely unrelated image. # Branch on the active tab and use the right source. stack_idx = self._stack.currentIndex() if stack_idx == 1: # Bookmarks: prefer the bookmark's stored cached_path, fall back # to deriving the hashed cache filename from file_url in case # the stored path was set on a different machine or is stale. favs = self._bookmarks_view._bookmarks idx = self._bookmarks_view._grid.selected_index if 0 <= idx < len(favs): fav = favs[idx] from ..core.cache import cached_path_for path = None if fav.cached_path and Path(fav.cached_path).exists(): path = Path(fav.cached_path) else: derived = cached_path_for(fav.file_url) if derived.exists(): path = derived if path is not None: self._preview._video_player.pause() if self._popout_ctrl.window and self._popout_ctrl.window.isVisible(): self._popout_ctrl.window.pause_media() QDesktopServices.openUrl(QUrl.fromLocalFile(str(path))) else: self._status.showMessage("Bookmark not cached — open it first to download") return if stack_idx == 2: # Library: the preview's current path IS the local library file. # Don't go through cached_path_for — library files live under # saved_dir, not the cache. current = self._preview._current_path if current and Path(current).exists(): self._preview._video_player.pause() if self._popout_ctrl.window and self._popout_ctrl.window.isVisible(): self._popout_ctrl.window.pause_media() QDesktopServices.openUrl(QUrl.fromLocalFile(current)) return # Browse: original path. Removed the "open random cache file" # fallback — better to do nothing than to open the wrong image. idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._open_in_default(self._posts[idx]) def _open_preview_in_browser(self) -> None: # Same shape as _open_preview_in_default: route per active tab so # bookmarks open the post page on the bookmark's source site, not # the search dropdown's currently-selected site. stack_idx = self._stack.currentIndex() if stack_idx == 1: favs = self._bookmarks_view._bookmarks idx = self._bookmarks_view._grid.selected_index if 0 <= idx < len(favs): fav = favs[idx] self._open_post_id_in_browser(fav.post_id, site_id=fav.site_id) elif stack_idx == 2: # Library files have no booru source URL — nothing to open. return else: idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._open_in_browser(self._posts[idx]) def _navigate_preview(self, direction: int, wrap: bool = False) -> None: """Navigate to prev/next post in the preview. direction: -1 or +1. wrap=True wraps to the start (or end) of the bookmarks/library lists when running off the edge — used for the video-end "Next" auto-advance on tabs that don't have pagination. """ # Note on the missing explicit activate calls below: every # tab's `grid._select(idx)` already chains through to the # activation handler via the `post_selected` signal, which is # wired (per tab) to a slot that ultimately calls # `_on_post_activated` / `_on_bookmark_activated` / # `_show_library_post`. The previous version of this method # called the activate handler directly *after* `_select`, # which fired the activation TWICE per keyboard navigation. # # The second activation scheduled a second async `_load`, # which fired a second `set_media` → second `_video.stop()` → # second `play_file()` cycle. The two `play_file`'s 250ms # stale-eof ignore windows leave a brief un-armed gap between # them (between the new `_eof_pending = False` reset and the # new `_eof_ignore_until` set). An async `eof-reached=True` # event from one of the stops landing in that gap would stick # `_eof_pending = True`, get picked up by `_poll`'s # `_handle_eof`, fire `play_next` in Loop=Next mode, and # cause `_navigate_preview(1, wrap=True)` to advance ANOTHER # post. End result: pressing Right once sometimes advanced # two posts. Random skip bug, observed on keyboard nav. # # Stop calling the activation handlers directly. Trust the # signal chain. 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) elif wrap and favs: idx = 0 if direction > 0 else len(favs) - 1 grid._select(idx) elif self._stack.currentIndex() == 2: # Library view grid = self._library_view._grid files = self._library_view._files idx = grid.selected_index + direction if 0 <= idx < len(files): grid._select(idx) elif wrap and files: idx = 0 if direction > 0 else len(files) - 1 grid._select(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) elif idx >= len(self._posts) and direction > 0 and len(self._posts) > 0 and not self._search_ctrl._infinite_scroll: self._search_ctrl._search.nav_page_turn = "first" self._search_ctrl.next_page() elif idx < 0 and direction < 0 and self._search_ctrl._current_page > 1 and not self._search_ctrl._infinite_scroll: self._search_ctrl._search.nav_page_turn = "last" self._search_ctrl.prev_page() def _on_video_end_next(self) -> None: """Auto-advance from end of video in 'Next' mode. Wraps to start on bookmarks/library tabs (where there is no pagination), so a single video looping with Next mode keeps moving through the list indefinitely instead of stopping at the end. Browse tab keeps its existing page-turn behaviour. Same fix as `_navigate_fullscreen` — don't call `_update_fullscreen` here with the stale `_current_path`. The downstream sync paths inside `_navigate_preview` already handle the popout update with the correct new path. Calling it here would re-trigger the eof-reached race in mpv and cause auto-skip cascades through the playlist. """ self._navigate_preview(1, wrap=True) def _close_preview(self) -> None: self._preview.clear() def _open_post_id_in_browser(self, post_id: int, site_id: int | None = None) -> None: """Open the post page in the system browser. site_id selects which site's URL/api scheme to use; defaults to the currently selected search site. Pass site_id explicitly when the post comes from a different source than the search dropdown (e.g. bookmarks).""" site = None if site_id is not None: sites = self._db.get_sites() site = next((s for s in sites if s.id == site_id), None) if site is None: site = self._current_site if not site: return base = site.url api = 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_browser(self, post: Post) -> None: self._open_post_id_in_browser(post.id) 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(): # Pause any playing video before opening externally self._preview._video_player.pause() if self._popout_ctrl.window and self._popout_ctrl.window.isVisible(): self._popout_ctrl.window.pause_media() QDesktopServices.openUrl(QUrl.fromLocalFile(str(path))) else: self._status.showMessage("Image not cached yet — double-click to download first") # -- Batch download -- # -- Toggles -- def _toggle_log(self) -> None: self._log_text.setVisible(not self._log_text.isVisible()) def _toggle_info(self) -> None: new_visible = not self._info_panel.isVisible() self._info_panel.setVisible(new_visible) # Persist the user's intent so it survives the next launch. self._db.set_setting("info_panel_visible", "1" if new_visible else "0") if new_visible 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, '_bookmarks_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() # Apply infinite scroll toggle live self._search_ctrl._infinite_scroll = self._db.get_setting_bool("infinite_scroll") self._bottom_nav.setVisible(not self._search_ctrl._infinite_scroll) # Apply library dir lib_dir = self._db.get_setting("library_dir") if lib_dir: from ..core.config import set_library_dir set_library_dir(Path(lib_dir)) # Apply thumbnail size from .grid import THUMB_SIZE new_size = self._db.get_setting_int("thumbnail_size") if new_size and new_size != THUMB_SIZE: import booru_viewer.gui.grid as grid_mod grid_mod.THUMB_SIZE = new_size self._status.showMessage("Settings applied") # -- Fullscreen & Privacy -- def _toggle_fullscreen(self) -> None: if self.isFullScreen(): self.showNormal() else: self.showFullScreen() def resizeEvent(self, event) -> None: super().resizeEvent(event) self._privacy.resize_overlay() # Capture window state proactively so the saved value is always # fresh — closeEvent's hyprctl query can fail if the compositor has # already started unmapping. Debounced via the 300ms timer. if hasattr(self, '_main_window_save_timer'): self._main_window_save_timer.start() def moveEvent(self, event) -> None: super().moveEvent(event) # moveEvent is unreliable on Wayland for floating windows but it # does fire on configure for some compositors — start the save # timer regardless. resizeEvent is the more reliable trigger. if hasattr(self, '_main_window_save_timer'): self._main_window_save_timer.start() # -- 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._privacy.toggle() return # If privacy is on, only allow toggling it off if self._privacy.is_active: return if key in (Qt.Key.Key_F, Qt.Key.Key_B) and self._posts: idx = self._grid.selected_index if 0 <= idx < len(self._posts): self._post_actions.toggle_bookmark(idx) return if key == Qt.Key.Key_S and self._preview._current_post: post = self._preview._current_post if self._post_actions.is_post_saved(post.id): self._post_actions.unsave_from_preview() else: self._post_actions.save_from_preview("") return elif key == Qt.Key.Key_I: self._toggle_info() return elif key == Qt.Key.Key_Space: if self._preview._stack.currentIndex() == 1 and self._preview.underMouse(): self._preview._video_player._toggle_play() return elif key == Qt.Key.Key_Period: if self._preview._stack.currentIndex() == 1: self._preview._video_player._seek_relative(1800) return elif key == Qt.Key.Key_Comma: if self._preview._stack.currentIndex() == 1: self._preview._video_player._seek_relative(-1800) return super().keyPressEvent(event) def _copy_file_to_clipboard(self, path: str | None = None) -> None: """Copy a file to clipboard. Tries wl-copy on Wayland, Qt fallback.""" if not path: path = self._preview._current_path if not path: idx = self._grid.selected_index if 0 <= idx < len(self._posts): from ..core.cache import cached_path_for cp = cached_path_for(self._posts[idx].file_url) if cp.exists(): path = str(cp) if not path or not Path(path).exists(): log.debug(f"Copy failed: path={path} preview_path={self._preview._current_path}") self._status.showMessage("Nothing to copy") return log.debug(f"Copying: {path}") from PySide6.QtCore import QMimeData, QUrl mime = QMimeData() mime.setUrls([QUrl.fromLocalFile(str(Path(path).resolve()))]) # Also set image data for apps that prefer it pix = QPixmap(path) if not pix.isNull(): mime.setImageData(pix.toImage()) QApplication.clipboard().setMimeData(mime) self._status.showMessage(f"Copied to clipboard: {Path(path).name}") # -- Bookmarks -- def closeEvent(self, event) -> None: # Flush any pending splitter / window-state saves (debounce timers # may still be running if the user moved/resized within the last # 300ms) and capture the final state. Both must run BEFORE # _db.close(). if self._main_splitter_save_timer.isActive(): self._main_splitter_save_timer.stop() if self._main_window_save_timer.isActive(): self._main_window_save_timer.stop() if hasattr(self, '_right_splitter_save_timer') and self._right_splitter_save_timer.isActive(): self._right_splitter_save_timer.stop() self._window_state.save_main_splitter_sizes() self._window_state.save_right_splitter_sizes() self._window_state.save_main_window_state() # Cleanly shut the shared httpx pools down BEFORE stopping the loop # so the connection pool / keepalive sockets / TLS state get released # instead of being abandoned mid-flight. Has to run on the loop the # clients were bound to. try: from ..core.api.base import BooruClient from ..core.api.e621 import E621Client from ..core.cache import aclose_shared_client async def _close_all(): await BooruClient.aclose_shared() await E621Client.aclose_shared() await aclose_shared_client() fut = asyncio.run_coroutine_threadsafe(_close_all(), self._async_loop) fut.result(timeout=5) except Exception as e: log.warning(f"Shared httpx aclose failed: {e}") 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)