842 lines
32 KiB
Python
842 lines
32 KiB
Python
#!usr/bin/env python3
|
|
|
|
# This file is a part of Lector, a Qt based ebook reader
|
|
# Copyright (C) 2017 BasioMeusPuga
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# TODO
|
|
# Reading modes
|
|
# Double page, Continuous etc
|
|
# Especially for comics
|
|
|
|
|
|
import os
|
|
import uuid
|
|
import zipfile
|
|
from PyQt5 import QtWidgets, QtGui, QtCore
|
|
|
|
import popplerqt5
|
|
from rarfile import rarfile
|
|
|
|
from lector.models import BookmarkProxyModel
|
|
from lector.delegates import BookmarkDelegate
|
|
from lector.threaded import BackGroundCacheRefill
|
|
from lector.sorter import resize_image
|
|
|
|
|
|
class Tab(QtWidgets.QWidget):
|
|
def __init__(self, metadata, parent=None):
|
|
super(Tab, self).__init__(parent)
|
|
self.parent = parent
|
|
self.metadata = metadata # Save progress data into this dictionary
|
|
self.are_we_doing_images_only = self.metadata['images_only']
|
|
|
|
self.masterLayout = QtWidgets.QHBoxLayout(self)
|
|
self.horzLayout = QtWidgets.QSplitter(self)
|
|
self.horzLayout.setOrientation(QtCore.Qt.Horizontal)
|
|
self.masterLayout.addWidget(self.horzLayout)
|
|
|
|
self.metadata['last_accessed'] = QtCore.QDateTime().currentDateTime()
|
|
|
|
if self.metadata['position']:
|
|
if self.metadata['position']['is_read']:
|
|
self.generate_position(True)
|
|
current_chapter = self.metadata['position']['current_chapter']
|
|
else:
|
|
self.generate_position()
|
|
current_chapter = 1
|
|
|
|
chapter_content = self.metadata['content'][current_chapter - 1][1]
|
|
|
|
# The content display widget is, by default a QTextBrowser.
|
|
# In case the incoming data is only images
|
|
# such as in the case of comic book files,
|
|
# we want a QGraphicsView widget doing all the heavy lifting
|
|
# instead of a QTextBrowser
|
|
if self.are_we_doing_images_only: # Boolean
|
|
self.contentView = PliantQGraphicsView(
|
|
self.metadata['path'], self.window(), self)
|
|
self.contentView.loadImage(chapter_content)
|
|
else:
|
|
self.contentView = PliantQTextBrowser(self.window(), self)
|
|
|
|
relative_path_root = os.path.join(
|
|
self.window().temp_dir.path(), self.metadata['hash'])
|
|
relative_paths = []
|
|
for i in os.walk(relative_path_root):
|
|
|
|
# TODO
|
|
# Rename the .css files to something else here and keep
|
|
# a record of them
|
|
# Currently, I'm just removing them for the sake of simplicity
|
|
for j in i[2]:
|
|
file_extension = os.path.splitext(j)[1]
|
|
if file_extension == '.css':
|
|
file_path = os.path.join(i[0], j)
|
|
os.remove(file_path)
|
|
|
|
relative_paths.append(os.path.join(relative_path_root, i[0]))
|
|
self.contentView.setSearchPaths(relative_paths)
|
|
|
|
self.contentView.setOpenLinks(False) # TODO Change this when HTML navigation works
|
|
self.contentView.setHtml(chapter_content)
|
|
self.contentView.setReadOnly(True)
|
|
|
|
tempHiddenButton = QtWidgets.QToolButton(self)
|
|
tempHiddenButton.setVisible(False)
|
|
tempHiddenButton.clicked.connect(self.set_scroll_value)
|
|
tempHiddenButton.animateClick(100)
|
|
|
|
# The following are common to both the text browser and
|
|
# the graphics view
|
|
self.contentView.setFrameShape(QtWidgets.QFrame.NoFrame)
|
|
self.contentView.setObjectName('contentView')
|
|
self.contentView.verticalScrollBar().setSingleStep(7)
|
|
self.contentView.setHorizontalScrollBarPolicy(
|
|
QtCore.Qt.ScrollBarAsNeeded)
|
|
|
|
# See bookmark availability
|
|
if not self.metadata['bookmarks']:
|
|
self.metadata['bookmarks'] = {}
|
|
|
|
# Create the dock widget for context specific display
|
|
self.dockWidget = PliantDockWidget(self)
|
|
self.dockWidget.setWindowTitle('Bookmarks')
|
|
self.dockWidget.setFeatures(QtWidgets.QDockWidget.DockWidgetClosable)
|
|
self.dockWidget.setFloating(False)
|
|
self.dockWidget.hide()
|
|
|
|
self.dockListView = QtWidgets.QListView(self.dockWidget)
|
|
self.dockListView.setResizeMode(QtWidgets.QListWidget.Adjust)
|
|
self.dockListView.setMaximumWidth(350)
|
|
self.dockListView.setItemDelegate(BookmarkDelegate(self.dockListView))
|
|
self.dockListView.setUniformItemSizes(True)
|
|
self.dockListView.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
|
|
self.dockListView.customContextMenuRequested.connect(
|
|
self.generate_bookmark_context_menu)
|
|
self.dockListView.clicked.connect(self.navigate_to_bookmark)
|
|
self.dockWidget.setWidget(self.dockListView)
|
|
|
|
self.bookmark_model = QtGui.QStandardItemModel(self)
|
|
self.proxy_model = BookmarkProxyModel(self)
|
|
self.generate_bookmark_model()
|
|
|
|
self.generate_keyboard_shortcuts()
|
|
|
|
self.horzLayout.addWidget(self.contentView)
|
|
self.horzLayout.addWidget(self.dockWidget)
|
|
title = self.metadata['title']
|
|
if self.are_we_doing_images_only:
|
|
title = os.path.basename(title)
|
|
self.parent.addTab(self, title)
|
|
|
|
# Hide mouse cursor timer
|
|
self.mouse_hide_timer = QtCore.QTimer()
|
|
self.mouse_hide_timer.setSingleShot(True)
|
|
self.mouse_hide_timer.timeout.connect(self.hide_mouse)
|
|
|
|
self.contentView.setFocus()
|
|
|
|
def update_last_accessed_time(self):
|
|
self.metadata['last_accessed'] = QtCore.QDateTime().currentDateTime()
|
|
|
|
start_index = self.window().lib_ref.view_model.index(0, 0)
|
|
matching_item = self.window().lib_ref.view_model.match(
|
|
start_index,
|
|
QtCore.Qt.UserRole + 6,
|
|
self.metadata['hash'],
|
|
1, QtCore.Qt.MatchExactly)
|
|
|
|
try:
|
|
self.window().lib_ref.view_model.setData(
|
|
matching_item[0], self.metadata['last_accessed'], QtCore.Qt.UserRole + 12)
|
|
except IndexError: # The file has been deleted
|
|
pass
|
|
|
|
def set_scroll_value(self, switch_widgets=True, search_data=None):
|
|
# TODO
|
|
# Bookmark navigation does not work in case 2 entries in the same
|
|
# chapter are clicked successively
|
|
# It plain refuses to work other times
|
|
|
|
if self.sender().objectName() == 'tabWidget':
|
|
return
|
|
|
|
if switch_widgets:
|
|
previous_widget = self.window().tabWidget.currentWidget()
|
|
self.window().tabWidget.setCurrentWidget(self)
|
|
|
|
scroll_value = self.metadata['position']['scroll_value']
|
|
if search_data:
|
|
scroll_value = search_data[0]
|
|
|
|
# Scroll a little ahead
|
|
# This avoids confusion with potentially duplicate phrases
|
|
# And the found result is at the top of the window
|
|
scroll_position = scroll_value * self.contentView.verticalScrollBar().maximum()
|
|
self.contentView.verticalScrollBar().setValue(scroll_position * 1.02)
|
|
|
|
try:
|
|
search_text = self.metadata['position']['last_visible_text']
|
|
if search_data:
|
|
search_text = search_data[1]
|
|
|
|
if search_text:
|
|
find_backward = False
|
|
|
|
find_forward = self.contentView.find(search_text)
|
|
if not find_forward:
|
|
find_backward = self.contentView.find(
|
|
search_text, QtGui.QTextDocument.FindBackward)
|
|
|
|
if find_backward:
|
|
current_scroll_position = self.contentView.verticalScrollBar().value()
|
|
new_scroll_position = current_scroll_position * .98
|
|
self.contentView.verticalScrollBar().setValue(new_scroll_position)
|
|
|
|
text_cursor = self.contentView.textCursor()
|
|
text_cursor.clearSelection()
|
|
self.contentView.setTextCursor(text_cursor)
|
|
except KeyError:
|
|
pass
|
|
|
|
if switch_widgets:
|
|
self.window().tabWidget.setCurrentWidget(previous_widget)
|
|
|
|
def generate_position(self, is_read=False):
|
|
total_chapters = len(self.metadata['content'])
|
|
|
|
current_chapter = 1
|
|
scroll_value = 0
|
|
if is_read:
|
|
current_chapter = total_chapters
|
|
scroll_value = 1
|
|
|
|
# TODO
|
|
# Use this to generate position
|
|
|
|
# Generate block count @ time of first read
|
|
# Blocks are indexed from 0 up
|
|
blocks_per_chapter = []
|
|
total_blocks = 0
|
|
|
|
if not self.are_we_doing_images_only:
|
|
for i in self.metadata['content']:
|
|
chapter_html = i[1]
|
|
|
|
textDocument = QtGui.QTextDocument(None)
|
|
textDocument.setHtml(chapter_html)
|
|
block_count = textDocument.blockCount()
|
|
|
|
blocks_per_chapter.append(block_count)
|
|
total_blocks += block_count
|
|
|
|
self.metadata['position'] = {
|
|
'current_chapter': current_chapter,
|
|
'total_chapters': total_chapters,
|
|
'blocks_per_chapter': blocks_per_chapter,
|
|
'total_blocks': total_blocks,
|
|
'scroll_value': scroll_value,
|
|
'last_visible_text': None,
|
|
'is_read': is_read}
|
|
|
|
def generate_keyboard_shortcuts(self):
|
|
self.next_chapter = QtWidgets.QShortcut(
|
|
QtGui.QKeySequence('Right'), self.contentView)
|
|
self.next_chapter.setObjectName('nextChapter')
|
|
self.next_chapter.activated.connect(self.sneaky_change)
|
|
|
|
self.prev_chapter = QtWidgets.QShortcut(
|
|
QtGui.QKeySequence('Left'), self.contentView)
|
|
self.prev_chapter.setObjectName('prevChapter')
|
|
self.prev_chapter.activated.connect(self.sneaky_change)
|
|
|
|
self.go_fs = QtWidgets.QShortcut(
|
|
QtGui.QKeySequence('F11'), self.contentView)
|
|
self.go_fs.activated.connect(self.go_fullscreen)
|
|
|
|
self.exit_fs = QtWidgets.QShortcut(
|
|
QtGui.QKeySequence('Escape'), self.contentView)
|
|
self.exit_fs.setContext(QtCore.Qt.ApplicationShortcut)
|
|
self.exit_fs.activated.connect(self.exit_fullscreen)
|
|
|
|
def go_fullscreen(self):
|
|
if self.contentView.windowState() == QtCore.Qt.WindowFullScreen:
|
|
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_number = self.window().bookToolBar.tocBox.currentIndex()
|
|
required_content = self.metadata['content'][chapter_number][1]
|
|
|
|
if self.are_we_doing_images_only:
|
|
self.contentView.loadImage(required_content)
|
|
else:
|
|
self.contentView.clear()
|
|
self.contentView.setHtml(required_content)
|
|
|
|
def format_view(self, font, font_size, foreground,
|
|
background, padding, line_spacing,
|
|
text_alignment):
|
|
|
|
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:
|
|
self.contentView.setStyleSheet(
|
|
"QTextEdit {{font-family: {0}; font-size: {1}px; color: {2}; background-color: {3}}}".format(
|
|
font, font_size, foreground.name(), background.name()))
|
|
|
|
# Line spacing
|
|
# Set line spacing per a block format
|
|
# This is proportional line spacing so assume a divisor of 100
|
|
block_format = QtGui.QTextBlockFormat()
|
|
block_format.setLineHeight(
|
|
line_spacing, QtGui.QTextBlockFormat.ProportionalHeight)
|
|
|
|
block_format.setTextIndent(50)
|
|
|
|
# Give options for alignment
|
|
alignment_dict = {
|
|
'left': QtCore.Qt.AlignLeft,
|
|
'right': QtCore.Qt.AlignRight,
|
|
'center': QtCore.Qt.AlignCenter,
|
|
'justify': QtCore.Qt.AlignJustify}
|
|
|
|
current_index = self.window().bookToolBar.tocBox.currentIndex()
|
|
if current_index == 0:
|
|
block_format.setAlignment(QtCore.Qt.AlignVCenter | QtCore.Qt.AlignHCenter)
|
|
else:
|
|
block_format.setAlignment(alignment_dict[text_alignment])
|
|
|
|
# Also for padding
|
|
# Using setViewPortMargins for this disables scrolling in the margins
|
|
block_format.setLeftMargin(padding)
|
|
block_format.setRightMargin(padding)
|
|
|
|
this_cursor = self.contentView.textCursor()
|
|
this_cursor.movePosition(QtGui.QTextCursor.Start, 0, 1)
|
|
|
|
# Iterate over the entire document block by block
|
|
# The document ends when the cursor position can no longer be incremented
|
|
while True:
|
|
old_position = this_cursor.position()
|
|
this_cursor.mergeBlockFormat(block_format)
|
|
this_cursor.movePosition(QtGui.QTextCursor.NextBlock, 0, 1)
|
|
new_position = this_cursor.position()
|
|
if old_position == new_position:
|
|
break
|
|
|
|
def toggle_bookmarks(self):
|
|
if self.dockWidget.isVisible():
|
|
self.dockWidget.hide()
|
|
else:
|
|
self.dockWidget.show()
|
|
|
|
def add_bookmark(self):
|
|
# TODO
|
|
# Start dockListView.edit(index) when something new is added
|
|
|
|
identifier = uuid.uuid4().hex[:10]
|
|
description = 'New bookmark'
|
|
|
|
if self.are_we_doing_images_only:
|
|
chapter = self.metadata['position']['current_chapter']
|
|
search_data = (0, None)
|
|
else:
|
|
chapter, scroll_position, visible_text = self.contentView.record_scroll_position(True)
|
|
search_data = (scroll_position, visible_text)
|
|
|
|
self.metadata['bookmarks'][identifier] = {
|
|
'chapter': chapter,
|
|
'search_data': search_data,
|
|
'description': description}
|
|
|
|
self.add_bookmark_to_model(
|
|
description, chapter, search_data, identifier)
|
|
self.dockWidget.setVisible(True)
|
|
|
|
def add_bookmark_to_model(self, description, chapter, search_data, identifier):
|
|
bookmark = QtGui.QStandardItem()
|
|
bookmark.setData(description, QtCore.Qt.DisplayRole)
|
|
|
|
bookmark.setData(chapter, QtCore.Qt.UserRole)
|
|
bookmark.setData(search_data, QtCore.Qt.UserRole + 1)
|
|
bookmark.setData(identifier, QtCore.Qt.UserRole + 2)
|
|
|
|
self.bookmark_model.appendRow(bookmark)
|
|
self.update_bookmark_proxy_model()
|
|
|
|
def navigate_to_bookmark(self, index):
|
|
if not index.isValid():
|
|
return
|
|
|
|
chapter = self.proxy_model.data(index, QtCore.Qt.UserRole)
|
|
search_data = self.proxy_model.data(index, QtCore.Qt.UserRole + 1)
|
|
|
|
self.window().bookToolBar.tocBox.setCurrentIndex(chapter - 1)
|
|
if not self.are_we_doing_images_only:
|
|
self.set_scroll_value(False, search_data)
|
|
|
|
def generate_bookmark_model(self):
|
|
# TODO
|
|
# Sorting is not working correctly
|
|
|
|
for i in self.metadata['bookmarks'].items():
|
|
self.add_bookmark_to_model(
|
|
i[1]['description'],
|
|
i[1]['chapter'],
|
|
i[1]['search_data'],
|
|
i[0])
|
|
|
|
self.generate_bookmark_proxy_model()
|
|
|
|
def generate_bookmark_proxy_model(self):
|
|
self.proxy_model.setSourceModel(self.bookmark_model)
|
|
self.proxy_model.setSortCaseSensitivity(False)
|
|
self.proxy_model.setSortRole(QtCore.Qt.UserRole)
|
|
self.dockListView.setModel(self.proxy_model)
|
|
|
|
def update_bookmark_proxy_model(self):
|
|
self.proxy_model.invalidateFilter()
|
|
self.proxy_model.setFilterParams(
|
|
self.window().bookToolBar.searchBar.text())
|
|
self.proxy_model.setFilterFixedString(
|
|
self.window().bookToolBar.searchBar.text())
|
|
|
|
def generate_bookmark_context_menu(self, position):
|
|
index = self.dockListView.indexAt(position)
|
|
if not index.isValid():
|
|
return
|
|
|
|
bookmark_menu = QtWidgets.QMenu()
|
|
editAction = bookmark_menu.addAction(
|
|
self.window().QImageFactory.get_image('edit-rename'), 'Edit')
|
|
deleteAction = bookmark_menu.addAction(
|
|
self.window().QImageFactory.get_image('trash-empty'), 'Delete')
|
|
|
|
action = bookmark_menu.exec_(
|
|
self.dockListView.mapToGlobal(position))
|
|
|
|
if action == editAction:
|
|
self.dockListView.edit(index)
|
|
|
|
if action == deleteAction:
|
|
row = index.row()
|
|
delete_uuid = self.bookmark_model.item(row).data(QtCore.Qt.UserRole + 2)
|
|
|
|
self.metadata['bookmarks'].pop(delete_uuid)
|
|
self.bookmark_model.removeRow(index.row())
|
|
|
|
def hide_mouse(self):
|
|
self.contentView.viewport().setCursor(QtCore.Qt.BlankCursor)
|
|
|
|
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, filepath, main_window, parent=None):
|
|
super(PliantQGraphicsView, self).__init__(parent)
|
|
self.main_window = main_window
|
|
self.parent = parent
|
|
|
|
self.qimage = None # Will be needed to resize pdf
|
|
self.image_pixmap = None
|
|
self.image_cache = [None for _ in range(4)]
|
|
|
|
self.thread = None
|
|
|
|
self.filepath = filepath
|
|
self.filetype = os.path.splitext(self.filepath)[1][1:]
|
|
|
|
if self.filetype == 'cbz':
|
|
self.book = zipfile.ZipFile(self.filepath)
|
|
|
|
elif self.filetype == 'cbr':
|
|
self.book = rarfile.RarFile(self.filepath)
|
|
|
|
elif self.filetype == 'pdf':
|
|
self.book = popplerqt5.Poppler.Document.load(self.filepath)
|
|
self.book.setRenderHint(
|
|
popplerqt5.Poppler.Document.Antialiasing
|
|
and popplerqt5.Poppler.Document.TextAntialiasing)
|
|
|
|
self.common_functions = PliantWidgetsCommonFunctions(
|
|
self, self.main_window)
|
|
|
|
# TODO
|
|
# Image panning with mouse
|
|
self.ignore_wheel_event = False
|
|
self.ignore_wheel_event_number = 0
|
|
self.setMouseTracking(True)
|
|
self.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
|
|
self.viewport().setCursor(QtCore.Qt.ArrowCursor)
|
|
|
|
def loadImage(self, current_page):
|
|
# TODO
|
|
# Threaded caching will still work here
|
|
# Look at a commit where it's not been deleted
|
|
# For double page view: 1 before, 1 after
|
|
all_pages = [i[1] for i in self.parent.metadata['content']]
|
|
|
|
def load_page(current_page):
|
|
image_pixmap = QtGui.QPixmap()
|
|
|
|
if self.filetype in ('cbz', 'cbr'):
|
|
page_data = self.book.read(current_page)
|
|
image_pixmap.loadFromData(page_data)
|
|
elif self.filetype == 'pdf':
|
|
page_data = self.book.page(current_page)
|
|
page_qimage = page_data.renderToImage(350, 350)
|
|
image_pixmap.convertFromImage(page_qimage)
|
|
return image_pixmap
|
|
|
|
def generate_image_cache(current_page):
|
|
print('Building image cache')
|
|
current_page_index = all_pages.index(current_page)
|
|
|
|
for i in (-1, 0, 1, 2):
|
|
try:
|
|
this_page = all_pages[current_page_index + i]
|
|
this_pixmap = load_page(this_page)
|
|
self.image_cache[i + 1] = (this_page, this_pixmap)
|
|
except IndexError:
|
|
self.image_cache[i + 1] = None
|
|
|
|
def refill_cache(remove_value):
|
|
# Do NOT put a parent in here or the mother of all
|
|
# memory leaks will result
|
|
self.thread = BackGroundCacheRefill(
|
|
self.image_cache, remove_value,
|
|
self.filetype, self.book, all_pages)
|
|
self.thread.finished.connect(overwrite_cache)
|
|
self.thread.start()
|
|
|
|
def overwrite_cache():
|
|
self.image_cache = self.thread.image_cache
|
|
|
|
def check_cache(current_page):
|
|
for i in self.image_cache:
|
|
if i:
|
|
if i[0] == current_page:
|
|
return_pixmap = i[1]
|
|
refill_cache(i)
|
|
return return_pixmap
|
|
|
|
# No return happened so the image isn't in the cache
|
|
generate_image_cache(current_page)
|
|
|
|
return_pixmap = None
|
|
while not return_pixmap:
|
|
return_pixmap = check_cache(current_page)
|
|
|
|
self.image_pixmap = return_pixmap
|
|
self.resizeEvent()
|
|
|
|
def resizeEvent(self, *args):
|
|
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)
|
|
|
|
def mouseMoveEvent(self, *args):
|
|
self.viewport().setCursor(QtCore.Qt.ArrowCursor)
|
|
self.parent.mouse_hide_timer.start(3000)
|
|
|
|
def closeEvent(self, *args):
|
|
# In case the program is closed when a contentView is fullscreened
|
|
self.main_window.closeEvent()
|
|
|
|
|
|
class PliantQTextBrowser(QtWidgets.QTextBrowser):
|
|
def __init__(self, main_window, parent=None):
|
|
super(PliantQTextBrowser, self).__init__(parent)
|
|
self.main_window = main_window
|
|
self.parent = parent
|
|
self.ignore_wheel_event = False
|
|
self.ignore_wheel_event_number = 0
|
|
self.common_functions = PliantWidgetsCommonFunctions(
|
|
self, self.main_window)
|
|
self.verticalScrollBar().sliderMoved.connect(self.record_scroll_position)
|
|
self.setMouseTracking(True)
|
|
self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
|
|
self.customContextMenuRequested.connect(
|
|
self.generate_textbrowser_context_menu)
|
|
self.viewport().setCursor(QtCore.Qt.IBeamCursor)
|
|
|
|
def wheelEvent(self, event):
|
|
self.record_scroll_position()
|
|
self.common_functions.wheelEvent(event, False)
|
|
|
|
def keyPressEvent(self, event):
|
|
if event.key() == 32:
|
|
self.record_scroll_position()
|
|
|
|
if self.verticalScrollBar().value() == self.verticalScrollBar().maximum():
|
|
self.common_functions.change_chapter(1, True)
|
|
else:
|
|
QtWidgets.QTextEdit.keyPressEvent(self, event)
|
|
|
|
else:
|
|
QtWidgets.QTextEdit.keyPressEvent(self, event)
|
|
|
|
def record_scroll_position(self, return_as_bookmark=False):
|
|
self.parent.metadata['position']['is_read'] = False
|
|
|
|
vertical = self.verticalScrollBar().value()
|
|
maximum = self.verticalScrollBar().maximum()
|
|
|
|
self.parent.metadata['position']['scroll_value'] = 1
|
|
if maximum != 0:
|
|
self.parent.metadata['position']['scroll_value'] = (vertical / maximum)
|
|
|
|
cursor = self.cursorForPosition(QtCore.QPoint(0, 0))
|
|
bottom_right = QtCore.QPoint(self.viewport().width() - 1, self.viewport().height())
|
|
bottom_right_cursor = self.cursorForPosition(bottom_right).position()
|
|
cursor.setPosition(bottom_right_cursor, QtGui.QTextCursor.KeepAnchor)
|
|
visible_text = cursor.selectedText()
|
|
|
|
if len(visible_text) > 50:
|
|
visible_text = visible_text[:51]
|
|
|
|
if return_as_bookmark:
|
|
return (self.parent.metadata['position']['current_chapter'],
|
|
self.parent.metadata['position']['scroll_value'],
|
|
visible_text)
|
|
else:
|
|
self.parent.metadata['position']['last_visible_text'] = visible_text
|
|
|
|
def generate_textbrowser_context_menu(self, position):
|
|
selected_word = self.textCursor().selection()
|
|
selected_word = selected_word.toPlainText()
|
|
|
|
context_menu = QtWidgets.QMenu()
|
|
|
|
defineAction = 'Caesar si viveret, ad remum dareris'
|
|
if selected_word and selected_word != '':
|
|
selected_word = selected_word.split()[0]
|
|
defineAction = context_menu.addAction(
|
|
self.window().QImageFactory.get_image('view-readermode'),
|
|
f'Define "{selected_word}"')
|
|
|
|
searchAction = context_menu.addAction(
|
|
self.window().QImageFactory.get_image('search'),
|
|
'Search')
|
|
|
|
action = context_menu.exec_(self.sender().mapToGlobal(position))
|
|
|
|
if action == defineAction:
|
|
self.window().definitionDialog.find_definition(selected_word)
|
|
if action == searchAction:
|
|
self.window().bookToolBar.searchBar.setFocus()
|
|
|
|
def closeEvent(self, *args):
|
|
self.main_window.closeEvent()
|
|
|
|
def mouseMoveEvent(self, event):
|
|
event.accept()
|
|
self.viewport().setCursor(QtCore.Qt.IBeamCursor)
|
|
self.parent.mouse_hide_timer.start(3000)
|
|
|
|
|
|
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):
|
|
ignore_events = 20
|
|
if are_we_doing_images_only:
|
|
ignore_events = 10
|
|
|
|
if self.pw.ignore_wheel_event:
|
|
self.pw.ignore_wheel_event_number += 1
|
|
if self.pw.ignore_wheel_event_number > ignore_events:
|
|
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) > 80: # 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 PliantDockWidget(QtWidgets.QDockWidget):
|
|
def __init__(self, parent=None):
|
|
super(PliantDockWidget, self).__init__(parent)
|
|
self.parent = parent
|
|
|
|
def showEvent(self, event):
|
|
self.parent.window().bookToolBar.bookmarkButton.setChecked(True)
|
|
|
|
def hideEvent(self, event):
|
|
self.parent.window().bookToolBar.bookmarkButton.setChecked(False)
|
|
|
|
|
|
class PliantQGraphicsScene(QtWidgets.QGraphicsScene):
|
|
def __init__(self, parent=None):
|
|
super(PliantQGraphicsScene, self).__init__(parent)
|
|
self.parent = parent
|
|
|
|
def mouseReleaseEvent(self, event):
|
|
self.parent.previous_position = self.parent.pos()
|
|
|
|
image_files = '*.jpg *.png'
|
|
new_cover = QtWidgets.QFileDialog.getOpenFileName(
|
|
None, 'Select new cover', self.parent.parent.settings['last_open_path'],
|
|
f'Images ({image_files})')[0]
|
|
|
|
if not new_cover:
|
|
self.parent.show()
|
|
return
|
|
|
|
with open(new_cover, 'rb') as cover_ref:
|
|
cover_bytes = cover_ref.read()
|
|
resized_cover = resize_image(cover_bytes)
|
|
self.parent.cover_for_database = resized_cover
|
|
|
|
cover_pixmap = QtGui.QPixmap()
|
|
cover_pixmap.load(new_cover)
|
|
cover_pixmap = cover_pixmap.scaled(
|
|
140, 205, QtCore.Qt.IgnoreAspectRatio)
|
|
|
|
self.parent.load_cover(cover_pixmap, True)
|
|
self.parent.show()
|