647 lines
25 KiB
Python
Executable File
647 lines
25 KiB
Python
Executable File
#!/usr/bin/env python3
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""" TODO
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Options:
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Automatic library management
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Auto deletion
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Recursive file addition
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Add only one file type if multiple are present
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Remember files
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Check files (hashes) upon restart
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Show what on startup
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Library:
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✓ sqlite3 for cover images cache
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✓ sqlite3 for storing metadata
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✓ Drop down for SortBy
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✓ Image delegates
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✓ Image reflow
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✓ Search bar in toolbar
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✓ Shift focus to the tab that has the book open
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✓ Tie file deletion and tab closing to model updates
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✓ Create separate thread for parser - Show progress in main window
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? Create emblem per filetype
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Look into how you might group icons
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Ignore a / the / numbers for sorting purposes
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Put the path in the scope of the search
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maybe as a type: switch
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Mass tagging
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Information dialog widget
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Context menu: Cache, Read, Edit database, delete, Mark read/unread
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Set focus to newly added file
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Reading:
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✓ Drop down for TOC
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✓ Override the keypress event of the textedit
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✓ Use format* icons for toolbar buttons
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✓ Implement book view settings with a(nother) toolbar
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✓ Substitute textedit for another widget
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✓ Theming
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✓ Keep fontsize and margins consistent - Let page increase in length
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✓ Fullscreening
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✓ Remember open tabs
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✓ Selectable background color for QGraphicsView
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✓ View modes for QGraphicsView
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✓ View and hide toolbar actions in a list
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Comic view keyboard shortcuts
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Record progress
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Pagination
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Set context menu for definitions and the like
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Filetypes:
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✓ cbz, cbr support
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✓ Keep font settings enabled but only for background color
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Cache next and previous images
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epub support
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mobi, azw support
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txt, doc, djvu, fb2 support
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? Plugin system for parsers
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? pdf support
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Internet:
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Goodreads API: Ratings, Read, Recommendations
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Get ISBN using python-isbnlib
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Other:
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✓ Define every widget in code
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✓ Include icons for emblems
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"""
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import os
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import sys
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from PyQt5 import QtWidgets, QtGui, QtCore
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import sorter
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import database
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from resources import mainwindow
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from widgets import LibraryToolBar, BookToolBar, Tab
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from widgets import LibraryDelegate, BackGroundTabUpdate, BackGroundBookAddition
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from library import Library
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from settings import Settings
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from settingsdialog import SettingsUI
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class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
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def __init__(self):
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super(MainUI, self).__init__()
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self.setupUi(self)
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# Initialize settings dialog
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self.settings_dialog = SettingsUI()
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# Empty variables that will be infested soon
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self.last_open_books = None
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self.last_open_tab = None
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self.last_open_path = None
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self.thread = None # Background Thread
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self.viewModel = None
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self.current_contentView = None # For fullscreening purposes
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self.display_profiles = None
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self.current_profile_index = None
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self.database_path = None
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# Initialize application
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Settings(self).read_settings() # This should populate all variables that need
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# to be remembered across sessions
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# Create the database in case it doesn't exist
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database.DatabaseInit(self.database_path)
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self.settings_dialog.database_path = self.database_path
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# Create and right align the statusbar label widget
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self.statusMessage = QtWidgets.QLabel()
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self.statusMessage.setObjectName('statusMessage')
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self.statusBar.addPermanentWidget(self.statusMessage)
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self.sorterProgress = QtWidgets.QProgressBar()
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self.sorterProgress.setObjectName('sorterProgress')
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sorter.progressbar = self.sorterProgress # This is so that updates can be
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# connected to setValue
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self.statusBar.addWidget(self.sorterProgress)
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self.sorterProgress.setVisible(False)
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# Init the QListView
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self.lib_ref = Library(self)
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# Application wide temporary directory
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self.temp_dir = QtCore.QTemporaryDir()
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# Library toolbar
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self.libraryToolBar = LibraryToolBar(self)
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self.libraryToolBar.addButton.triggered.connect(self.add_books)
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self.libraryToolBar.deleteButton.triggered.connect(self.delete_books)
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self.libraryToolBar.settingsButton.triggered.connect(self.show_settings)
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self.libraryToolBar.searchBar.textChanged.connect(self.lib_ref.update_proxymodel)
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self.libraryToolBar.sortingBox.activated.connect(self.lib_ref.update_proxymodel)
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self.addToolBar(self.libraryToolBar)
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# Book toolbar
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self.bookToolBar = BookToolBar(self)
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self.bookToolBar.fullscreenButton.triggered.connect(self.set_fullscreen)
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self.bookToolBar.settingsButton.triggered.connect(self.show_settings)
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for count, i in enumerate(self.display_profiles):
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self.bookToolBar.profileBox.setItemData(count, i, QtCore.Qt.UserRole)
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self.bookToolBar.profileBox.currentIndexChanged.connect(self.format_contentView)
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self.bookToolBar.profileBox.setCurrentIndex(self.current_profile_index)
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self.bookToolBar.fontBox.currentFontChanged.connect(self.modify_font)
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self.bookToolBar.fontSizeBox.currentTextChanged.connect(self.modify_font)
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self.bookToolBar.lineSpacingUp.triggered.connect(self.modify_font)
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self.bookToolBar.lineSpacingDown.triggered.connect(self.modify_font)
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self.bookToolBar.paddingUp.triggered.connect(self.modify_font)
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self.bookToolBar.paddingDown.triggered.connect(self.modify_font)
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self.bookToolBar.resetProfile.triggered.connect(self.reset_profile)
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self.bookToolBar.zoomIn.triggered.connect(self.modify_comic_view)
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self.bookToolBar.zoomOut.triggered.connect(self.modify_comic_view)
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self.bookToolBar.fitWidth.triggered.connect(self.modify_comic_view)
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self.bookToolBar.bestFit.triggered.connect(self.modify_comic_view)
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self.bookToolBar.originalSize.triggered.connect(self.modify_comic_view)
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self.bookToolBar.comicBGColor.clicked.connect(self.get_color)
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self.bookToolBar.colorBoxFG.clicked.connect(self.get_color)
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self.bookToolBar.colorBoxBG.clicked.connect(self.get_color)
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self.bookToolBar.tocBox.currentIndexChanged.connect(self.set_toc_position)
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self.addToolBar(self.bookToolBar)
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# Make the correct toolbar visible
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self.tab_switch()
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self.tabWidget.currentChanged.connect(self.tab_switch)
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# Tab closing
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self.tabWidget.setTabsClosable(True)
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# Get list of available parsers
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self.available_parsers = '*.' + ' *.'.join(sorter.available_parsers)
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print('Available parsers: ' + self.available_parsers)
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# TODO
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# Associate this with the library switcher
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library_subclass = QtWidgets.QToolButton()
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library_subclass.setIcon(QtGui.QIcon.fromTheme('view-readermode'))
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library_subclass.setAutoRaise(True)
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library_subclass.setPopupMode(QtWidgets.QToolButton.InstantPopup)
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self.tabWidget.tabBar().setTabButton(0, QtWidgets.QTabBar.RightSide, library_subclass)
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self.tabWidget.tabCloseRequested.connect(self.tab_close)
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# ListView
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self.listView.setGridSize(QtCore.QSize(175, 240))
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self.listView.setMouseTracking(True)
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self.listView.verticalScrollBar().setSingleStep(7)
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self.listView.doubleClicked.connect(self.list_doubleclick)
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self.listView.setItemDelegate(LibraryDelegate(self.temp_dir.path()))
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self.lib_ref.generate_model('build')
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self.lib_ref.create_proxymodel()
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# Keyboard shortcuts
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self.ks_close_tab = QtWidgets.QShortcut(QtGui.QKeySequence('Ctrl+W'), self)
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self.ks_close_tab.setContext(QtCore.Qt.ApplicationShortcut)
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self.ks_close_tab.activated.connect(self.tab_close)
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self.ks_exit_all = QtWidgets.QShortcut(QtGui.QKeySequence('Ctrl+Q'), self)
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self.ks_exit_all.setContext(QtCore.Qt.ApplicationShortcut)
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self.ks_exit_all.activated.connect(self.closeEvent)
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self.listView.setFocus()
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# Open last... open books.
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# Then set the value to None for the next run
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self.open_files(self.last_open_books)
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self.last_open_books = None
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def resizeEvent(self, event=None):
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if event:
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# This implies a vertical resize event only
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# We ain't about that lifestyle
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if event.oldSize().width() == event.size().width():
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return
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# The hackiness of this hack is just...
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default_size = 175 # This is size of the QIcon (160 by default) +
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# minimum margin is needed between thumbnails
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# for n icons, the n + 1th icon will appear at > n +1.11875
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# First, calculate the number of images per row
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i = self.listView.viewport().width() / default_size
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rem = i - int(i)
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if rem >= .11875 and rem <= .9999:
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num_images = int(i)
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else:
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num_images = int(i) - 1
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# The rest is illustrated using informative variable names
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space_occupied = num_images * default_size
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# 12 is the scrollbar width
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# Larger numbers keep reduce flickering but also increase
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# the distance from the scrollbar
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space_left = (
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self.listView.viewport().width() - space_occupied - 19)
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try:
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layout_extra_space_per_image = space_left // num_images
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self.listView.setGridSize(
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QtCore.QSize(default_size + layout_extra_space_per_image, 250))
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except ZeroDivisionError: # Initial resize is ignored
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return
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def add_books(self):
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# TODO
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# Maybe expand this to traverse directories recursively
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opened_files = QtWidgets.QFileDialog.getOpenFileNames(
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self, 'Open file', self.last_open_path,
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f'eBooks ({self.available_parsers})')
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if opened_files[0]:
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self.last_open_path = os.path.dirname(opened_files[0][0])
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self.sorterProgress.setVisible(True)
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self.statusMessage.setText('Adding books...')
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self.thread = BackGroundBookAddition(self, opened_files[0], self.database_path)
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self.thread.finished.connect(self.move_on)
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self.thread.start()
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def move_on(self):
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self.sorterProgress.setVisible(False)
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self.lib_ref.create_proxymodel()
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def delete_books(self):
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selected_books = self.listView.selectedIndexes()
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if selected_books:
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def ifcontinue(box_button):
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if box_button.text() == '&Yes':
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selected_hashes = []
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for i in selected_books:
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data = i.data(QtCore.Qt.UserRole + 3)
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selected_hashes.append(data['hash'])
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database.DatabaseFunctions(
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self.database_path).delete_from_database(selected_hashes)
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self.lib_ref.generate_model('build')
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self.lib_ref.create_proxymodel()
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selected_number = len(selected_books)
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msg_box = QtWidgets.QMessageBox()
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msg_box.setText('Delete %d book(s)?' % selected_number)
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msg_box.setIcon(QtWidgets.QMessageBox.Question)
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msg_box.setWindowTitle('Confirm deletion')
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msg_box.setStandardButtons(
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QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No)
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msg_box.buttonClicked.connect(ifcontinue)
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msg_box.show()
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msg_box.exec_()
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def tab_switch(self):
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if self.tabWidget.currentIndex() == 0:
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self.resizeEvent()
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self.bookToolBar.hide()
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self.libraryToolBar.show()
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if self.lib_ref.proxy_model:
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# Making the proxy model available doesn't affect
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# memory utilization at all. Bleh.
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self.statusMessage.setText(
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str(self.lib_ref.proxy_model.rowCount()) + ' Books')
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else:
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self.bookToolBar.show()
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self.libraryToolBar.hide()
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current_metadata = self.tabWidget.widget(
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self.tabWidget.currentIndex()).metadata
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if self.bookToolBar.fontButton.isChecked():
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self.bookToolBar.customize_view_on()
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current_title = current_metadata['title']
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current_author = current_metadata['author']
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current_position = current_metadata['position']
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current_toc = current_metadata['content'].keys()
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self.bookToolBar.tocBox.blockSignals(True)
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self.bookToolBar.tocBox.clear()
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self.bookToolBar.tocBox.addItems(current_toc)
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if current_position:
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self.bookToolBar.tocBox.setCurrentIndex(
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current_position['current_chapter'] - 1)
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self.bookToolBar.tocBox.blockSignals(False)
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self.format_contentView()
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self.statusMessage.setText(
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current_author + ' - ' + current_title)
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def tab_close(self, tab_index=None):
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if not tab_index:
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tab_index = self.tabWidget.currentIndex()
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if tab_index == 0:
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return
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tab_metadata = self.tabWidget.widget(tab_index).metadata
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self.thread = BackGroundTabUpdate(
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self.database_path, [tab_metadata])
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self.thread.start()
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self.tabWidget.removeTab(tab_index)
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def set_toc_position(self, event=None):
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current_tab = self.tabWidget.widget(self.tabWidget.currentIndex())
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# We're updating the underlying model to have real-time
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# updates on the read status
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# Set a baseline model index in case the item gets deleted
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# E.g It's open in a tab and deleted from the library
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model_index = None
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start_index = self.viewModel.index(0, 0)
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# Find index of the model item that corresponds to the tab
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matching_item = self.viewModel.match(
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start_index,
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QtCore.Qt.UserRole + 6,
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current_tab.metadata['hash'],
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1, QtCore.Qt.MatchExactly)
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if matching_item:
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model_row = matching_item[0].row()
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model_index = self.viewModel.index(model_row, 0)
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current_tab.metadata[
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'position']['current_chapter'] = event + 1
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if model_index:
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self.viewModel.setData(
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model_index, current_tab.metadata['position'], QtCore.Qt.UserRole + 7)
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current_tab.change_chapter_tocBox()
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def set_fullscreen(self):
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current_tab = self.tabWidget.currentIndex()
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current_tab_widget = self.tabWidget.widget(current_tab)
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current_tab_widget.go_fullscreen()
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def list_doubleclick(self, myindex):
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index = self.listView.model().index(myindex.row(), 0)
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metadata = self.listView.model().data(index, QtCore.Qt.UserRole + 3)
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# Shift focus to the tab that has the book open (if there is one)
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for i in range(1, self.tabWidget.count()):
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tab_metadata = self.tabWidget.widget(i).metadata
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if tab_metadata['hash'] == metadata['hash']:
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self.tabWidget.setCurrentIndex(i)
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return
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path = metadata['path']
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self.open_files([path])
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def open_files(self, file_paths):
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# file_paths is expected to be a list
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# This allows for threading file opening
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# Which should speed up multiple file opening
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# especially @ application start
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if not file_paths:
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return
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print('Attempting to open: ' + ', '.join(file_paths))
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contents = sorter.BookSorter(
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file_paths,
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'reading',
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self.database_path,
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self.temp_dir.path()).initiate_threads()
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found_a_focusable_tab = False
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for i in contents:
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file_data = contents[i]
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Tab(file_data, self.tabWidget) # New tabs are created here
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# Initial position adjustment
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# is carried out by the tab itself
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if file_data['path'] == self.last_open_tab:
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found_a_focusable_tab = True
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self.tabWidget.setCurrentIndex(self.tabWidget.count() - 1)
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if not found_a_focusable_tab:
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self.tabWidget.setCurrentIndex(self.tabWidget.count() - 1)
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self.format_contentView()
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def get_color(self):
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signal_sender = self.sender().objectName()
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profile_index = self.bookToolBar.profileBox.currentIndex()
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current_profile = self.bookToolBar.profileBox.itemData(
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profile_index, QtCore.Qt.UserRole)
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# Retain current values on opening a new dialog
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def open_color_dialog(current_color):
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color_dialog = QtWidgets.QColorDialog()
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new_color = color_dialog.getColor(current_color)
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if new_color.isValid(): # Returned in case cancel is pressed
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return new_color
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else:
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return current_color
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if signal_sender == 'fgColor':
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current_color = current_profile['foreground']
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new_color = open_color_dialog(current_color)
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self.bookToolBar.colorBoxFG.setStyleSheet(
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'background-color: %s' % new_color.name())
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current_profile['foreground'] = new_color
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elif signal_sender == 'bgColor':
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current_color = current_profile['background']
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new_color = open_color_dialog(current_color)
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self.bookToolBar.colorBoxBG.setStyleSheet(
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'background-color: %s' % new_color.name())
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current_profile['background'] = new_color
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elif signal_sender == 'comicBGColor':
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current_color = self.comic_profile['background']
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new_color = open_color_dialog(current_color)
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self.bookToolBar.comicBGColor.setStyleSheet(
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'background-color: %s' % new_color.name())
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self.comic_profile['background'] = new_color
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self.bookToolBar.profileBox.setItemData(
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profile_index, current_profile, QtCore.Qt.UserRole)
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self.format_contentView()
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def modify_font(self):
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signal_sender = self.sender().objectName()
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profile_index = self.bookToolBar.profileBox.currentIndex()
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current_profile = self.bookToolBar.profileBox.itemData(
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profile_index, QtCore.Qt.UserRole)
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if signal_sender == 'fontBox':
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current_profile['font'] = self.bookToolBar.fontBox.currentFont().family()
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if signal_sender == 'fontSizeBox':
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old_size = current_profile['font_size']
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new_size = self.bookToolBar.fontSizeBox.currentText()
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if new_size.isdigit():
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current_profile['font_size'] = int(new_size)
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else:
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current_profile['font_size'] = old_size
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if signal_sender == 'lineSpacingUp':
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current_profile['line_spacing'] += .5
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if signal_sender == 'lineSpacingDown':
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current_profile['line_spacing'] -= .5
|
|
|
|
if signal_sender == 'paddingUp':
|
|
current_profile['padding'] += 5
|
|
if signal_sender == 'paddingDown':
|
|
current_profile['padding'] -= 5
|
|
|
|
self.bookToolBar.profileBox.setItemData(
|
|
profile_index, current_profile, QtCore.Qt.UserRole)
|
|
self.format_contentView()
|
|
|
|
def modify_comic_view(self):
|
|
signal_sender = self.sender().objectName()
|
|
current_tab = self.tabWidget.widget(self.tabWidget.currentIndex())
|
|
|
|
self.bookToolBar.fitWidth.setChecked(False)
|
|
self.bookToolBar.bestFit.setChecked(False)
|
|
self.bookToolBar.originalSize.setChecked(False)
|
|
|
|
if signal_sender == 'zoomOut':
|
|
self.comic_profile['zoom_mode'] = 'manualZoom'
|
|
self.comic_profile['padding'] += 50
|
|
|
|
# This prevents infinite zoom out
|
|
if self.comic_profile['padding'] * 2 > current_tab.contentView.viewport().width():
|
|
self.comic_profile['padding'] -= 50
|
|
|
|
if signal_sender == 'zoomIn':
|
|
self.comic_profile['zoom_mode'] = 'manualZoom'
|
|
self.comic_profile['padding'] -= 50
|
|
|
|
# This prevents infinite zoom in
|
|
if self.comic_profile['padding'] < 0:
|
|
self.comic_profile['padding'] = 0
|
|
|
|
if signal_sender == 'fitWidth':
|
|
self.comic_profile['zoom_mode'] = 'fitWidth'
|
|
self.comic_profile['padding'] = 0
|
|
self.bookToolBar.fitWidth.setChecked(True)
|
|
|
|
# Padding in the following cases is decided by
|
|
# the image pixmap loaded by the widget
|
|
if signal_sender == 'bestFit':
|
|
self.comic_profile['zoom_mode'] = 'bestFit'
|
|
self.bookToolBar.bestFit.setChecked(True)
|
|
|
|
if signal_sender == 'originalSize':
|
|
self.comic_profile['zoom_mode'] = 'originalSize'
|
|
self.bookToolBar.originalSize.setChecked(True)
|
|
|
|
self.format_contentView()
|
|
|
|
def format_contentView(self):
|
|
# TODO
|
|
# Implement line spacing
|
|
# See what happens if a font isn't installed
|
|
|
|
current_tab = self.tabWidget.widget(self.tabWidget.currentIndex())
|
|
|
|
try:
|
|
current_metadata = current_tab.metadata
|
|
except AttributeError:
|
|
return
|
|
|
|
if current_metadata['images_only']:
|
|
background = self.comic_profile['background']
|
|
padding = self.comic_profile['padding']
|
|
zoom_mode = self.comic_profile['zoom_mode']
|
|
|
|
if zoom_mode == 'fitWidth':
|
|
self.bookToolBar.fitWidth.setChecked(True)
|
|
if zoom_mode == 'bestFit':
|
|
self.bookToolBar.bestFit.setChecked(True)
|
|
if zoom_mode == 'originalSize':
|
|
self.bookToolBar.originalSize.setChecked(True)
|
|
|
|
self.bookToolBar.comicBGColor.setStyleSheet(
|
|
'background-color: %s' % background.name())
|
|
|
|
current_tab.format_view(
|
|
None, None, None, background, padding)
|
|
|
|
else:
|
|
profile_index = self.bookToolBar.profileBox.currentIndex()
|
|
current_profile = self.bookToolBar.profileBox.itemData(
|
|
profile_index, QtCore.Qt.UserRole)
|
|
|
|
font = current_profile['font']
|
|
foreground = current_profile['foreground']
|
|
background = current_profile['background']
|
|
padding = current_profile['padding']
|
|
font_size = current_profile['font_size']
|
|
|
|
# Change toolbar widgets to match new settings
|
|
self.bookToolBar.fontBox.blockSignals(True)
|
|
self.bookToolBar.fontSizeBox.blockSignals(True)
|
|
self.bookToolBar.fontBox.setCurrentText(font)
|
|
self.bookToolBar.fontSizeBox.setCurrentText(str(font_size))
|
|
self.bookToolBar.fontBox.blockSignals(False)
|
|
self.bookToolBar.fontSizeBox.blockSignals(False)
|
|
|
|
self.bookToolBar.colorBoxFG.setStyleSheet(
|
|
'background-color: %s' % foreground.name())
|
|
self.bookToolBar.colorBoxBG.setStyleSheet(
|
|
'background-color: %s' % background.name())
|
|
|
|
current_tab.format_view(
|
|
font, font_size, foreground, background, padding)
|
|
|
|
def reset_profile(self):
|
|
current_profile_index = self.bookToolBar.profileBox.currentIndex()
|
|
current_profile_default = Settings(self).default_profiles[current_profile_index]
|
|
self.bookToolBar.profileBox.setItemData(
|
|
current_profile_index, current_profile_default, QtCore.Qt.UserRole)
|
|
self.format_contentView()
|
|
|
|
def show_settings(self):
|
|
# TODO
|
|
# The hiding of the settings dialog should uncheck the settings show action
|
|
if not self.settings_dialog.isVisible():
|
|
self.settings_dialog.show()
|
|
else:
|
|
self.settings_dialog.hide()
|
|
|
|
def closeEvent(self, event=None):
|
|
# All tabs must be iterated upon here
|
|
self.hide()
|
|
self.settings_dialog.hide()
|
|
self.temp_dir.remove()
|
|
|
|
self.last_open_books = []
|
|
if self.tabWidget.count() > 1:
|
|
|
|
all_metadata = []
|
|
for i in range(1, self.tabWidget.count()):
|
|
tab_metadata = self.tabWidget.widget(i).metadata
|
|
self.last_open_books.append(tab_metadata['path'])
|
|
all_metadata.append(tab_metadata)
|
|
|
|
Settings(self).save_settings()
|
|
self.thread = BackGroundTabUpdate(self.database_path, all_metadata)
|
|
self.thread.finished.connect(QtWidgets.qApp.exit)
|
|
self.thread.start()
|
|
|
|
else:
|
|
Settings(self).save_settings()
|
|
QtWidgets.qApp.exit()
|
|
|
|
|
|
def main():
|
|
app = QtWidgets.QApplication(sys.argv)
|
|
app.setApplicationName('Lector') # This is needed for QStandardPaths
|
|
# and my own hubris
|
|
form = MainUI()
|
|
form.show()
|
|
form.resizeEvent()
|
|
app.exec_()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|