776 lines
29 KiB
Python
776 lines
29 KiB
Python
#!usr/bin/env python3
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# This file is a part of Lector, a Qt based ebook reader
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# Copyright (C) 2017 BasioMeusPuga
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# TODO
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# Reading modes
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# Double page, Continuous etc
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# Especially for comics
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import os
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from PyQt5 import QtWidgets, QtGui, QtCore
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from resources import pie_chart
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class BookToolBar(QtWidgets.QToolBar):
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def __init__(self, parent=None):
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super(BookToolBar, self).__init__(parent)
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# Spacer
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spacer = QtWidgets.QWidget()
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spacer.setSizePolicy(
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QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
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sizePolicy = QtWidgets.QSizePolicy(
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QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
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self.setMovable(False)
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self.setIconSize(QtCore.QSize(22, 22))
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self.setFloatable(False)
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self.setContextMenuPolicy(QtCore.Qt.PreventContextMenu)
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self.setObjectName("LibraryToolBar")
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# Buttons
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self.fontButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('gtk-select-font'),
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'View settings', self)
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self.fullscreenButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('view-fullscreen'),
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'Fullscreen', self)
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self.bookmarkButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('bookmarks'),
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'Bookmark', self)
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self.bookmarkButton.setObjectName('bookmarkButton')
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self.resetProfile = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('view-refresh'),
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'Reset profile', self)
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# Add buttons
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self.addAction(self.fontButton)
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self.fontButton.setCheckable(True)
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self.fontButton.triggered.connect(self.toggle_font_settings)
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self.addSeparator()
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self.addAction(self.bookmarkButton)
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self.bookmarkButton.setCheckable(True)
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self.addAction(self.fullscreenButton)
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# Font modification
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font_sizes = [str(i) for i in range(8, 48, 2)]
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font_sizes.extend(['56', '64', '72'])
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self.fontSizeBox = QtWidgets.QComboBox(self)
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self.fontSizeBox.setObjectName('fontSizeBox')
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self.fontSizeBox.setToolTip('Font size')
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self.fontSizeBox.addItems(font_sizes)
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self.fontSizeBox.setEditable(True)
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self.paddingUp = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('format-indent-less'),
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'Increase padding', self)
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self.paddingUp.setObjectName('paddingUp')
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self.paddingDown = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('format-justify-fill'),
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'Decrease padding', self)
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self.paddingDown.setObjectName('paddingDown')
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self.lineSpacingUp = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('format-line-spacing-triple'),
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'Increase line spacing', self)
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self.lineSpacingUp.setObjectName('lineSpacingUp')
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self.lineSpacingDown = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('format-line-spacing-double'),
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'Decrease line spacing', self)
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self.lineSpacingDown.setObjectName('lineSpacingDown')
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self.fontBox = QtWidgets.QFontComboBox()
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self.fontBox.setFontFilters(QtWidgets.QFontComboBox.ScalableFonts)
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self.fontBox.setObjectName('fontBox')
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self.colorBoxFG = FixedPushButton(self)
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self.colorBoxFG.setObjectName('fgColor')
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self.colorBoxFG.setToolTip('Text color')
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self.colorBoxBG = FixedPushButton(self)
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self.colorBoxBG.setToolTip('Background color')
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self.colorBoxBG.setObjectName('bgColor')
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profiles = ['Profile 1', 'Profile 2', 'Profile 3']
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self.profileBox = QtWidgets.QComboBox(self)
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self.profileBox.addItems(profiles)
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self.profileAction = self.addWidget(self.profileBox)
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self.fontSeparator1 = self.addSeparator()
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self.fontBoxAction = self.addWidget(self.fontBox)
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self.fontSizeBoxAction = self.addWidget(self.fontSizeBox)
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self.fontSeparator2 = self.addSeparator()
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self.fgColorAction = self.addWidget(self.colorBoxFG)
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self.bgColorAction = self.addWidget(self.colorBoxBG)
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self.fontSeparator3 = self.addSeparator()
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self.addAction(self.lineSpacingUp)
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self.addAction(self.lineSpacingDown)
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self.fontSeparator4 = self.addSeparator()
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self.addAction(self.paddingUp)
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self.addAction(self.paddingDown)
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self.fontActions = [
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self.fontBoxAction,
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self.fontSizeBoxAction,
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self.fgColorAction,
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self.bgColorAction,
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self.lineSpacingUp,
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self.lineSpacingDown,
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self.paddingUp,
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self.paddingDown,
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self.profileAction,
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self.fontSeparator1,
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self.fontSeparator2,
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self.fontSeparator3,
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self.fontSeparator4,
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self.resetProfile]
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for i in self.fontActions:
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i.setVisible(False)
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# Comic view modification
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self.zoomIn = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('zoom-in'),
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'Zoom in', self)
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self.zoomIn.setObjectName('zoomIn')
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self.zoomOut = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('zoom-out'),
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'Zoom Out', self)
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self.zoomOut.setObjectName('zoomOut')
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self.fitWidth = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('zoom-fit-width'),
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'Fit Width', self)
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self.fitWidth.setObjectName('fitWidth')
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self.fitWidth.setCheckable(True)
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self.bestFit = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('zoom-fit-best'),
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'Best Fit', self)
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self.bestFit.setObjectName('bestFit')
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self.bestFit.setCheckable(True)
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self.originalSize = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('zoom-original'),
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'Original size', self)
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self.originalSize.setObjectName('originalSize')
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self.originalSize.setCheckable(True)
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self.comicBGColor = FixedPushButton(self)
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self.comicBGColor.setToolTip('Background color')
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self.comicBGColor.setObjectName('comicBGColor')
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self.comicSeparator1 = self.addSeparator()
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self.addAction(self.zoomIn)
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self.addAction(self.zoomOut)
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self.addAction(self.fitWidth)
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self.addAction(self.bestFit)
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self.addAction(self.originalSize)
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self.comicSeparator2 = self.addSeparator()
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self.comicBGColorAction = self.addWidget(self.comicBGColor)
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self.comicActions = [
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self.comicBGColorAction,
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self.zoomIn,
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self.zoomOut,
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self.fitWidth,
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self.bestFit,
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self.originalSize,
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self.comicSeparator1,
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self.comicSeparator2]
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for i in self.comicActions:
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i.setVisible(False)
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# Other booktoolbar widgets
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self.searchBar = FixedLineEdit(self)
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self.searchBar.setPlaceholderText(
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'Search...')
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self.searchBar.setSizePolicy(sizePolicy)
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self.searchBar.setContentsMargins(10, 0, 0, 0)
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self.searchBar.setObjectName('searchBar')
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# Sorter
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self.tocBox = FixedComboBox(self)
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self.tocBox.setObjectName('sortingBox')
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self.tocBox.setToolTip('Table of Contents')
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# All of these will be put after the spacer
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# This means that the buttons in the left side of
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# the toolbar have to split up and added here
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self.boxSpacer = self.addWidget(spacer)
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self.tocBoxAction = self.addWidget(self.tocBox)
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self.searchBarAction = self.addWidget(self.searchBar)
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self.bookActions = [
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self.bookmarkButton,
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self.fullscreenButton,
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self.tocBoxAction,
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self.searchBarAction]
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for i in self.bookActions:
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i.setVisible(True)
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self.addAction(self.resetProfile)
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def toggle_font_settings(self):
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if self.fontButton.isChecked():
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self.customize_view_on()
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else:
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self.customize_view_off()
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def customize_view_on(self):
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if self.parent().tabWidget.widget(
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self.parent().tabWidget.currentIndex()).metadata['images_only']:
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# The following might seem redundant,
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# but it's necessary for tab switching
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for i in self.comicActions:
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i.setVisible(True)
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for i in self.fontActions:
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i.setVisible(False)
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else:
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for i in self.fontActions:
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i.setVisible(True)
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for i in self.comicActions:
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i.setVisible(False)
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for i in self.bookActions:
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i.setVisible(False)
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def customize_view_off(self):
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for i in self.fontActions:
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i.setVisible(False)
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for i in self.comicActions:
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i.setVisible(False)
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for i in self.bookActions:
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i.setVisible(True)
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class LibraryToolBar(QtWidgets.QToolBar):
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def __init__(self, parent=None):
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super(LibraryToolBar, self).__init__(parent)
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spacer = QtWidgets.QWidget()
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spacer.setSizePolicy(
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QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
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self.setMovable(False)
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self.setIconSize(QtCore.QSize(22, 22))
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self.setFloatable(False)
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self.setContextMenuPolicy(QtCore.Qt.PreventContextMenu)
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self.setObjectName("LibraryToolBar")
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# Buttons
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self.addButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('add'), 'Add book', self)
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self.deleteButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('remove'), 'Delete book', self)
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self.settingsButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('settings'), 'Settings', self)
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self.settingsButton.setCheckable(True)
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self.coverViewButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('view-grid'), 'View as covers', self)
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self.coverViewButton.setCheckable(True)
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self.tableViewButton = QtWidgets.QAction(
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QtGui.QIcon.fromTheme('table'), 'View as table', self)
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self.tableViewButton.setCheckable(True)
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self.libraryFilterButton = QtWidgets.QToolButton(self)
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self.libraryFilterButton.setIcon(QtGui.QIcon.fromTheme('view-readermode'))
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self.libraryFilterButton.setText('Filter library')
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self.libraryFilterButton.setToolTip('Filter library')
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# Auto unchecks the other QToolButton in case of clicking
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self.viewButtons = QtWidgets.QActionGroup(self)
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self.viewButtons.setExclusive(True)
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self.viewButtons.addAction(self.coverViewButton)
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self.viewButtons.addAction(self.tableViewButton)
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# Add buttons
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self.addAction(self.addButton)
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self.addAction(self.deleteButton)
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self.addSeparator()
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self.addAction(self.coverViewButton)
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self.addAction(self.tableViewButton)
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self.addSeparator()
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self.addWidget(self.libraryFilterButton)
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self.addSeparator()
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self.addAction(self.settingsButton)
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# Filter
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sizePolicy = QtWidgets.QSizePolicy(
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QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
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self.searchBar = FixedLineEdit(self)
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self.searchBar.setClearButtonEnabled(True)
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self.searchBar.setPlaceholderText(
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'Search for Title, Author, Tags...')
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self.searchBar.setSizePolicy(sizePolicy)
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self.searchBar.setContentsMargins(10, 0, 0, 0)
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self.searchBar.setObjectName('searchBar')
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# Sorter
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sorting_choices = ['Title', 'Author', 'Year']
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self.sortingBox = FixedComboBox(self)
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self.sortingBox.addItems(sorting_choices)
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self.sortingBox.setObjectName('sortingBox')
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self.sortingBox.setSizePolicy(sizePolicy)
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self.sortingBox.setMinimumContentsLength(10)
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self.sortingBox.setToolTip('Sort by')
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# Add widgets
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self.addWidget(spacer)
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self.sortingBoxAction = self.addWidget(self.sortingBox)
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self.addWidget(self.searchBar)
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# Sublassing these widgets out prevents them from resizing
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class FixedComboBox(QtWidgets.QComboBox):
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def __init__(self, parent=None):
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super(FixedComboBox, self).__init__(parent)
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def sizeHint(self):
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return QtCore.QSize(400, 22)
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class FixedLineEdit(QtWidgets.QLineEdit):
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def __init__(self, parent=None):
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super(FixedLineEdit, self).__init__(parent)
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def sizeHint(self):
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return QtCore.QSize(400, 22)
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class FixedPushButton(QtWidgets.QPushButton):
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def __init__(self, parent=None):
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super(FixedPushButton, self).__init__(parent)
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def sizeHint(self):
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return QtCore.QSize(36, 30)
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class Tab(QtWidgets.QWidget):
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def __init__(self, metadata, parent=None):
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# TODO
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# Take hint from a position function argument to open the book
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# at a specific page
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super(Tab, self).__init__(parent)
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self.parent = parent
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self.metadata = metadata # Save progress data into this dictionary
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self.masterLayout = QtWidgets.QHBoxLayout(self)
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self.horzLayout = QtWidgets.QSplitter(self)
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self.horzLayout.setOrientation(QtCore.Qt.Horizontal)
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self.masterLayout.addWidget(self.horzLayout)
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position = self.metadata['position']
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# TODO
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# Chapter position and vertical scrollbar position
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if position:
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current_chapter = position['current_chapter']
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else:
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self.generate_position()
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current_chapter = 1
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chapter_name = list(self.metadata['content'])[current_chapter - 1]
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chapter_content = self.metadata['content'][chapter_name]
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# The content display widget is, by default a QTextBrowser
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# In case the incoming data is only images
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# such as in the case of comic book files,
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# we want a QGraphicsView widget doing all the heavy lifting
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# instead of a QTextBrowser
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self.are_we_doing_images_only = self.metadata['images_only']
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if self.are_we_doing_images_only: # Boolean
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self.contentView = PliantQGraphicsView(self.window())
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self.contentView.loadImage(chapter_content)
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else:
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self.contentView = PliantQTextBrowser(self.window())
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# print(dir(self.contentView.document())) ## TODO USE this for modifying formatting and searching
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relative_path_root = os.path.join(
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self.window().temp_dir.path(), self.metadata['hash'])
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relative_paths = []
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for i in os.walk(relative_path_root):
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relative_paths.append(os.path.join(relative_path_root, i[0]))
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self.contentView.setSearchPaths(relative_paths)
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self.contentView.setOpenLinks(False) # Change this when HTML navigation works
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self.contentView.setHtml(chapter_content)
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# The following are common to both the text browser and
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# the graphics view
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self.contentView.setFrameShape(QtWidgets.QFrame.NoFrame)
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self.contentView.setObjectName("contentView")
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self.contentView.verticalScrollBar().setSingleStep(7)
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self.contentView.setHorizontalScrollBarPolicy(
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QtCore.Qt.ScrollBarAlwaysOff)
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# Create the dock widget for context specific display
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self.dockWidget = QtWidgets.QDockWidget(self)
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self.dockWidget.setFeatures(QtWidgets.QDockWidget.DockWidgetClosable)
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self.dockWidget.setFloating(False)
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self.dockListWidget = QtWidgets.QListWidget()
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self.dockListWidget.setResizeMode(QtWidgets.QListWidget.Adjust)
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self.dockListWidget.setMaximumWidth(350)
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self.dockWidget.setWidget(self.dockListWidget)
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self.dockWidget.hide()
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self.generate_keyboard_shortcuts()
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self.horzLayout.addWidget(self.contentView)
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self.horzLayout.addWidget(self.dockWidget)
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title = self.metadata['title']
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self.parent.addTab(self, title)
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self.contentView.setFocus()
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def generate_position(self):
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total_chapters = len(self.metadata['content'].keys())
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# TODO
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# Calculate lines
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self.metadata['position'] = {
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'current_chapter': 1,
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'current_line': 0,
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'total_chapters': total_chapters,
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'read_lines': 0,
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'total_lines': 0}
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def generate_keyboard_shortcuts(self):
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self.next_chapter = QtWidgets.QShortcut(
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QtGui.QKeySequence('Right'), self.contentView)
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self.next_chapter.setObjectName('nextChapter')
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self.next_chapter.activated.connect(self.sneaky_change)
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self.prev_chapter = QtWidgets.QShortcut(
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QtGui.QKeySequence('Left'), self.contentView)
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self.prev_chapter.setObjectName('prevChapter')
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self.prev_chapter.activated.connect(self.sneaky_change)
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self.go_fs = QtWidgets.QShortcut(
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QtGui.QKeySequence('F11'), self.contentView)
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self.go_fs.activated.connect(self.go_fullscreen)
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self.exit_fs = QtWidgets.QShortcut(
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QtGui.QKeySequence('Escape'), self.contentView)
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self.exit_fs.setContext(QtCore.Qt.ApplicationShortcut)
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self.exit_fs.activated.connect(self.exit_fullscreen)
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# self.exit_all = QtWidgets.QShortcut(
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# QtGui.QKeySequence('Ctrl+Q'), self.contentView)
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# self.exit_all.activated.connect(self.sneaky_exit)
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def go_fullscreen(self):
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if self.contentView.windowState() == QtCore.Qt.WindowFullScreen:
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self.exit_fullscreen()
|
|
return
|
|
|
|
self.contentView.setWindowFlags(QtCore.Qt.Window)
|
|
self.contentView.setWindowState(QtCore.Qt.WindowFullScreen)
|
|
self.contentView.show()
|
|
self.window().hide()
|
|
|
|
def exit_fullscreen(self):
|
|
self.window().show()
|
|
self.contentView.setWindowFlags(QtCore.Qt.Widget)
|
|
self.contentView.setWindowState(QtCore.Qt.WindowNoState)
|
|
self.contentView.show()
|
|
|
|
def change_chapter_tocBox(self):
|
|
chapter_name = self.window().bookToolBar.tocBox.currentText()
|
|
required_content = self.metadata['content'][chapter_name]
|
|
|
|
if self.are_we_doing_images_only:
|
|
self.contentView.loadImage(required_content)
|
|
else:
|
|
self.contentView.clear()
|
|
self.contentView.setHtml(required_content)
|
|
|
|
# TODO
|
|
# This here. Use it for stuff.
|
|
# self.contentView.document().begin().blockFormat().setLineHeight(1000, QtGui.QTextBlockFormat.FixedHeight)
|
|
# self.contentView.document().end().blockFormat().setLineHeight(1000, QtGui.QTextBlockFormat.FixedHeight)
|
|
|
|
def format_view(self, font, font_size, foreground, background, padding):
|
|
if self.are_we_doing_images_only:
|
|
# Tab color does not need to be set separately in case
|
|
# no padding is set for the viewport of a QGraphicsView
|
|
# and image resizing in done in the pixmap
|
|
my_qbrush = QtGui.QBrush(QtCore.Qt.SolidPattern)
|
|
my_qbrush.setColor(background)
|
|
self.contentView.setBackgroundBrush(my_qbrush)
|
|
self.contentView.resizeEvent()
|
|
|
|
else:
|
|
# print(dir(self.contentView.document().begin().blockFormat())) ## TODO Line Height here
|
|
# self.contentView.document().begin().blockFormat().setLineHeight(1000, QtGui.QTextBlockFormat.FixedHeight)
|
|
# self.contentView.document().end().blockFormat().setLineHeight(1000, QtGui.QTextBlockFormat.FixedHeight)
|
|
self.contentView.setViewportMargins(padding, 0, padding, 0)
|
|
self.contentView.setStyleSheet(
|
|
"QTextEdit {{font-family: {0}; font-size: {1}px; color: {2}; background-color: {3}}}".format(
|
|
font, font_size, foreground.name(), background.name()))
|
|
|
|
def toggle_bookmarks(self):
|
|
self.dockWidget.setWindowTitle('Bookmarks')
|
|
|
|
if self.dockWidget.isVisible():
|
|
self.dockWidget.hide()
|
|
else:
|
|
self.dockWidget.show()
|
|
|
|
def sneaky_change(self):
|
|
direction = -1
|
|
if self.sender().objectName() == 'nextChapter':
|
|
direction = 1
|
|
|
|
self.contentView.common_functions.change_chapter(
|
|
direction, True)
|
|
|
|
def sneaky_exit(self):
|
|
self.contentView.hide()
|
|
self.window().closeEvent()
|
|
|
|
|
|
class PliantQGraphicsView(QtWidgets.QGraphicsView):
|
|
def __init__(self, main_window, parent=None):
|
|
super(PliantQGraphicsView, self).__init__(parent)
|
|
self.main_window = main_window
|
|
self.image_pixmap = None
|
|
self.ignore_wheel_event = False
|
|
self.ignore_wheel_event_number = 0
|
|
self.common_functions = PliantWidgetsCommonFunctions(
|
|
self, self.main_window)
|
|
|
|
def loadImage(self, image_path):
|
|
self.image_pixmap = QtGui.QPixmap()
|
|
self.image_pixmap.load(image_path)
|
|
self.resizeEvent()
|
|
|
|
def resizeEvent(self, event=None):
|
|
if not self.image_pixmap:
|
|
return
|
|
|
|
zoom_mode = self.main_window.comic_profile['zoom_mode']
|
|
padding = self.main_window.comic_profile['padding']
|
|
|
|
if zoom_mode == 'fitWidth':
|
|
available_width = self.viewport().width()
|
|
image_pixmap = self.image_pixmap.scaledToWidth(
|
|
available_width, QtCore.Qt.SmoothTransformation)
|
|
|
|
elif zoom_mode == 'originalSize':
|
|
image_pixmap = self.image_pixmap
|
|
|
|
new_padding = (self.viewport().width() - image_pixmap.width()) // 2
|
|
if new_padding < 0: # The image is larger than the viewport
|
|
self.main_window.comic_profile['padding'] = 0
|
|
else:
|
|
self.main_window.comic_profile['padding'] = new_padding
|
|
|
|
elif zoom_mode == 'bestFit':
|
|
available_width = self.viewport().width()
|
|
available_height = self.viewport().height()
|
|
|
|
image_pixmap = self.image_pixmap.scaled(
|
|
available_width, available_height,
|
|
QtCore.Qt.KeepAspectRatio, QtCore.Qt.SmoothTransformation)
|
|
|
|
self.main_window.comic_profile['padding'] = (
|
|
self.viewport().width() - image_pixmap.width()) // 2
|
|
|
|
elif zoom_mode == 'manualZoom':
|
|
available_width = self.viewport().width() - 2 * padding
|
|
image_pixmap = self.image_pixmap.scaledToWidth(
|
|
available_width, QtCore.Qt.SmoothTransformation)
|
|
|
|
graphics_scene = QtWidgets.QGraphicsScene()
|
|
graphics_scene.addPixmap(image_pixmap)
|
|
|
|
self.setScene(graphics_scene)
|
|
self.show()
|
|
|
|
def wheelEvent(self, event):
|
|
self.common_functions.wheelEvent(event, True)
|
|
|
|
def keyPressEvent(self, event):
|
|
# This function is sufficiently different to warrant
|
|
# exclusion from the common functions class
|
|
if event.key() == 32: # Spacebar press
|
|
vertical = self.verticalScrollBar().value()
|
|
maximum = self.verticalScrollBar().maximum()
|
|
|
|
if vertical == maximum:
|
|
self.common_functions.change_chapter(1, True)
|
|
|
|
else:
|
|
# Increment by following value
|
|
scroll_increment = int((maximum - 0) / 2)
|
|
self.verticalScrollBar().setValue(vertical + scroll_increment)
|
|
|
|
|
|
class PliantQTextBrowser(QtWidgets.QTextBrowser):
|
|
def __init__(self, main_window, parent=None):
|
|
super(PliantQTextBrowser, self).__init__(parent)
|
|
self.main_window = main_window
|
|
self.ignore_wheel_event = False
|
|
self.ignore_wheel_event_number = 0
|
|
self.common_functions = PliantWidgetsCommonFunctions(
|
|
self, self.main_window)
|
|
|
|
def wheelEvent(self, event):
|
|
self.common_functions.wheelEvent(event, False)
|
|
|
|
def keyPressEvent(self, event):
|
|
if event.key() == 32:
|
|
vertical = self.verticalScrollBar().value()
|
|
maximum = self.verticalScrollBar().maximum()
|
|
|
|
if vertical == maximum:
|
|
self.common_functions.change_chapter(1, True)
|
|
else:
|
|
QtWidgets.QTextBrowser.keyPressEvent(self, event)
|
|
|
|
else:
|
|
QtWidgets.QTextBrowser.keyPressEvent(self, event)
|
|
|
|
|
|
class PliantWidgetsCommonFunctions():
|
|
def __init__(self, parent_widget, main_window):
|
|
self.pw = parent_widget
|
|
self.main_window = main_window
|
|
|
|
def wheelEvent(self, event, are_we_doing_images_only):
|
|
if self.pw.ignore_wheel_event:
|
|
# Ignore first n wheel events after a chapter change
|
|
self.pw.ignore_wheel_event_number += 1
|
|
if self.pw.ignore_wheel_event_number > 20:
|
|
self.pw.ignore_wheel_event = False
|
|
self.pw.ignore_wheel_event_number = 0
|
|
return
|
|
|
|
if are_we_doing_images_only:
|
|
QtWidgets.QGraphicsView.wheelEvent(self.pw, event)
|
|
else:
|
|
QtWidgets.QTextBrowser.wheelEvent(self.pw, event)
|
|
|
|
# Since this is a delta on a mouse move event, it cannot ever be 0
|
|
vertical_pdelta = event.pixelDelta().y()
|
|
if vertical_pdelta > 0:
|
|
moving_up = True
|
|
elif vertical_pdelta < 0:
|
|
moving_up = False
|
|
|
|
if abs(vertical_pdelta) > 100: # Adjust sensitivity here
|
|
# Implies that no scrollbar movement is possible
|
|
if self.pw.verticalScrollBar().value() == self.pw.verticalScrollBar().maximum() == 0:
|
|
if moving_up:
|
|
self.change_chapter(-1)
|
|
else:
|
|
self.change_chapter(1)
|
|
|
|
# Implies that the scrollbar is at the bottom
|
|
elif self.pw.verticalScrollBar().value() == self.pw.verticalScrollBar().maximum():
|
|
if not moving_up:
|
|
self.change_chapter(1)
|
|
|
|
# Implies scrollbar is at the top
|
|
elif self.pw.verticalScrollBar().value() == 0:
|
|
if moving_up:
|
|
self.change_chapter(-1)
|
|
|
|
def change_chapter(self, direction, was_button_pressed=None):
|
|
current_toc_index = self.main_window.bookToolBar.tocBox.currentIndex()
|
|
max_toc_index = self.main_window.bookToolBar.tocBox.count() - 1
|
|
|
|
if (current_toc_index < max_toc_index and direction == 1) or (
|
|
current_toc_index > 0 and direction == -1):
|
|
self.main_window.bookToolBar.tocBox.setCurrentIndex(current_toc_index + direction)
|
|
|
|
# Set page position depending on if the chapter number is increasing or decreasing
|
|
if direction == 1 or was_button_pressed:
|
|
self.pw.verticalScrollBar().setValue(0)
|
|
else:
|
|
self.pw.verticalScrollBar().setValue(
|
|
self.pw.verticalScrollBar().maximum())
|
|
|
|
if not was_button_pressed:
|
|
self.pw.ignore_wheel_event = True
|
|
|
|
|
|
class LibraryDelegate(QtWidgets.QStyledItemDelegate):
|
|
def __init__(self, temp_dir, parent=None):
|
|
super(LibraryDelegate, self).__init__(parent)
|
|
self.temp_dir = temp_dir
|
|
self.parent = parent
|
|
|
|
def paint(self, painter, option, index):
|
|
# This is a hint for the future
|
|
# Color icon slightly red
|
|
# if option.state & QtWidgets.QStyle.State_Selected:
|
|
# painter.fillRect(option.rect, QtGui.QColor().fromRgb(255, 0, 0, 20))
|
|
|
|
option = option.__class__(option)
|
|
file_exists = index.data(QtCore.Qt.UserRole + 5)
|
|
position = index.data(QtCore.Qt.UserRole + 7)
|
|
|
|
# The shadow pixmap currently is set to 420 x 600
|
|
# Only draw the cover shadow in case the setting is enabled
|
|
if self.parent.settings['cover_shadows']:
|
|
shadow_pixmap = QtGui.QPixmap()
|
|
shadow_pixmap.load(':/images/gray-shadow.png')
|
|
shadow_pixmap = shadow_pixmap.scaled(160, 230, QtCore.Qt.IgnoreAspectRatio)
|
|
shadow_x = option.rect.topLeft().x() + 10
|
|
shadow_y = option.rect.topLeft().y() - 5
|
|
painter.setOpacity(.7)
|
|
painter.drawPixmap(shadow_x, shadow_y, shadow_pixmap)
|
|
painter.setOpacity(1)
|
|
|
|
if not file_exists:
|
|
painter.setOpacity(.7)
|
|
QtWidgets.QStyledItemDelegate.paint(self, painter, option, index)
|
|
read_icon = pie_chart.pixmapper(-1, None, None, 36)
|
|
x_draw = option.rect.bottomRight().x() - 30
|
|
y_draw = option.rect.bottomRight().y() - 35
|
|
painter.drawPixmap(x_draw, y_draw, read_icon)
|
|
painter.setOpacity(1)
|
|
return
|
|
|
|
QtWidgets.QStyledItemDelegate.paint(self, painter, option, index)
|
|
if position:
|
|
current_chapter = position['current_chapter']
|
|
total_chapters = position['total_chapters']
|
|
|
|
read_icon = pie_chart.pixmapper(
|
|
current_chapter, total_chapters, self.temp_dir, 36)
|
|
|
|
x_draw = option.rect.bottomRight().x() - 30
|
|
y_draw = option.rect.bottomRight().y() - 35
|
|
if current_chapter != 1:
|
|
painter.drawPixmap(x_draw, y_draw, read_icon)
|