forked from openlp/openlp
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This commit is contained in:
Tim Bentley
parent
38996c81cc
commit
0d755e3354
@ -113,7 +113,6 @@ from .settingsform import SettingsForm
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from .formattingtagform import FormattingTagForm
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from .formattingtagcontroller import FormattingTagController
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from .shortcutlistform import ShortcutListForm
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from openlp.core.ui.lib.mediadockmanager import MediaDockManager
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from .servicemanager import ServiceManager
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from .thememanager import ThemeManager
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from .projector.manager import ProjectorManager
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@ -121,7 +120,7 @@ from .projector.tab import ProjectorTab
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from .projector.editform import ProjectorEditForm
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__all__ = ['SplashScreen', 'AboutForm', 'SettingsForm', 'MainDisplay', 'SlideController', 'ServiceManager', 'ThemeForm',
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'ThemeManager', 'MediaDockManager', 'ServiceItemEditForm', 'FirstTimeForm', 'FirstTimeLanguageForm',
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'ThemeManager', 'ServiceItemEditForm', 'FirstTimeForm', 'FirstTimeLanguageForm',
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'Display', 'ServiceNoteForm', 'ThemeLayoutForm', 'FileRenameForm', 'StartTimeForm', 'MainDisplay',
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'SlideController', 'DisplayController', 'GeneralTab', 'ThemesTab', 'AdvancedTab', 'PluginForm',
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'FormattingTagForm', 'ShortcutListForm', 'FormattingTagController', 'SingleColumnTableWidget',
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@ -26,3 +26,6 @@ from .treewidgetwithdnd import TreeWidgetWithDnD
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from .toolbar import OpenLPToolbar
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from .dockwidget import OpenLPDockWidget
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from .wizard import OpenLPWizard, WizardStrings
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from .mediadockmanager import MediaDockManager
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from .listpreviewwidget import ListPreviewWidget
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@ -1,226 +0,0 @@
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# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2016 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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The :mod:`listpreviewwidget` is a widget that lists the slides in the slide controller.
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It is based on a QTableWidget but represents its contents in list form.
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"""
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from PyQt5 import QtCore, QtGui, QtWidgets
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from openlp.core.common import RegistryProperties, Settings
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from openlp.core.lib import ImageSource, ServiceItem
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class ListPreviewWidget(QtWidgets.QTableWidget, RegistryProperties):
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"""
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A special type of QTableWidget which lists the slides in the slide controller
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:param parent:
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:param screen_ratio:
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"""
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def __init__(self, parent, screen_ratio):
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"""
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Initializes the widget to default state.
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An empty ``ServiceItem`` is used by default. replace_service_manager_item() needs to be called to make this
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widget display something.
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"""
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super(QtWidgets.QTableWidget, self).__init__(parent)
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self._setup(screen_ratio)
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def _setup(self, screen_ratio):
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"""
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Set up the widget
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"""
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self.setColumnCount(1)
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self.horizontalHeader().setVisible(False)
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self.setColumnWidth(0, self.parent().width())
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self.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
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self.setSelectionMode(QtWidgets.QAbstractItemView.SingleSelection)
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self.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
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self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
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self.setAlternatingRowColors(True)
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# Initialize variables.
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self.service_item = ServiceItem()
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self.screen_ratio = screen_ratio
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# Connect signals
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self.verticalHeader().sectionResized.connect(self.row_resized)
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def resizeEvent(self, event):
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"""
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Overloaded method from QTableWidget. Will recalculate the layout.
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"""
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self.__recalculate_layout()
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def __recalculate_layout(self):
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"""
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Recalculates the layout of the table widget. It will set height and width
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of the table cells. QTableWidget does not adapt the cells to the widget size on its own.
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"""
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self.setColumnWidth(0, self.viewport().width())
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if self.service_item:
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# Sort out songs, bibles, etc.
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if self.service_item.is_text():
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self.resizeRowsToContents()
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# Sort out image heights.
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else:
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height = self.viewport().width() // self.screen_ratio
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max_img_row_height = Settings().value('advanced/slide max height')
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# Adjust for row height cap if in use.
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if isinstance(max_img_row_height, int) and max_img_row_height > 0 and height > max_img_row_height:
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height = max_img_row_height
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# Apply new height to slides
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for frame_number in range(len(self.service_item.get_frames())):
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self.setRowHeight(frame_number, height)
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def row_resized(self, row, old_height, new_height):
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"""
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Will scale non-image slides.
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"""
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# Only for non-text slides when row height cap in use
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max_img_row_height = Settings().value('advanced/slide max height')
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if self.service_item.is_text() or not isinstance(max_img_row_height, int) or max_img_row_height <= 0:
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return
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# Get and validate label widget containing slide & adjust max width
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try:
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self.cellWidget(row, 0).children()[1].setMaximumWidth(new_height * self.screen_ratio)
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except:
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return
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def screen_size_changed(self, screen_ratio):
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"""
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This method is called whenever the live screen size changes, which then makes a layout recalculation necessary
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:param screen_ratio: The new screen ratio
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"""
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self.screen_ratio = screen_ratio
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self.__recalculate_layout()
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def replace_service_item(self, service_item, width, slide_number):
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"""
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Replace the current preview items with the ones in service_item and display the given slide
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:param service_item: The service item to insert
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:param width: The width of the column
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:param slide_number: The slide number to pre-select
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"""
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self.service_item = service_item
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self.setRowCount(0)
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self.clear()
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self.setColumnWidth(0, width)
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row = 0
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text = []
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for frame_number, frame in enumerate(self.service_item.get_frames()):
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self.setRowCount(self.slide_count() + 1)
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item = QtWidgets.QTableWidgetItem()
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slide_height = 0
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if self.service_item.is_text():
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if frame['verseTag']:
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# These tags are already translated.
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verse_def = frame['verseTag']
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verse_def = '%s%s' % (verse_def[0], verse_def[1:])
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two_line_def = '%s\n%s' % (verse_def[0], verse_def[1:])
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row = two_line_def
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else:
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row += 1
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item.setText(frame['text'])
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else:
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label = QtWidgets.QLabel()
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label.setContentsMargins(4, 4, 4, 4)
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if self.service_item.is_media():
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label.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
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else:
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label.setScaledContents(True)
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if self.service_item.is_command():
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pixmap = QtGui.QPixmap(frame['image'])
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pixmap.setDevicePixelRatio(label.devicePixelRatio())
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label.setPixmap(pixmap)
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else:
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image = self.image_manager.get_image(frame['path'], ImageSource.ImagePlugin)
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pixmap = QtGui.QPixmap.fromImage(image)
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pixmap.setDevicePixelRatio(label.devicePixelRatio())
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label.setPixmap(pixmap)
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slide_height = width // self.screen_ratio
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# Setup and validate row height cap if in use.
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max_img_row_height = Settings().value('advanced/slide max height')
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if isinstance(max_img_row_height, int) and max_img_row_height > 0:
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if slide_height > max_img_row_height:
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slide_height = max_img_row_height
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label.setMaximumWidth(max_img_row_height * self.screen_ratio)
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label.resize(max_img_row_height * self.screen_ratio, max_img_row_height)
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# Build widget with stretch padding
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container = QtWidgets.QWidget()
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hbox = QtWidgets.QHBoxLayout()
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hbox.setContentsMargins(0, 0, 0, 0)
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hbox.addWidget(label, stretch=1)
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hbox.addStretch(0)
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container.setLayout(hbox)
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# Add to table
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self.setCellWidget(frame_number, 0, container)
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else:
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# Add to table
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self.setCellWidget(frame_number, 0, label)
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row += 1
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text.append(str(row))
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self.setItem(frame_number, 0, item)
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if slide_height:
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self.setRowHeight(frame_number, slide_height)
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self.setVerticalHeaderLabels(text)
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if self.service_item.is_text():
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self.resizeRowsToContents()
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self.setColumnWidth(0, self.viewport().width())
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self.change_slide(slide_number)
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def change_slide(self, slide):
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"""
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Switches to the given row.
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"""
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# Retrieve setting
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autoscrolling = Settings().value('advanced/autoscrolling')
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# Check if auto-scroll disabled (None) and validate value as dict containing 'dist' and 'pos'
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# 'dist' represents the slide to scroll to relative to the new slide (-1 = previous, 0 = current, 1 = next)
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# 'pos' represents the vert position of of the slide (0 = in view, 1 = top, 2 = middle, 3 = bottom)
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if not (isinstance(autoscrolling, dict) and 'dist' in autoscrolling and 'pos' in autoscrolling and
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isinstance(autoscrolling['dist'], int) and isinstance(autoscrolling['pos'], int)):
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return
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# prevent scrolling past list bounds
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scroll_to_slide = slide + autoscrolling['dist']
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if scroll_to_slide < 0:
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scroll_to_slide = 0
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if scroll_to_slide >= self.slide_count():
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scroll_to_slide = self.slide_count() - 1
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# Scroll to item if possible.
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self.scrollToItem(self.item(scroll_to_slide, 0), autoscrolling['pos'])
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self.selectRow(slide)
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def current_slide_number(self):
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"""
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Returns the position of the currently active item. Will return -1 if the widget is empty.
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"""
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return super(ListPreviewWidget, self).currentRow()
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def slide_count(self):
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"""
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Returns the number of slides this widget holds.
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"""
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return super(ListPreviewWidget, self).rowCount()
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@ -41,13 +41,14 @@ from openlp.core.common.versionchecker import get_application_version
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from openlp.core.lib import Renderer, PluginManager, ImageManager, PluginStatus, ScreenList, build_icon
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from openlp.core.lib.ui import UiStrings, create_action
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from openlp.core.ui import AboutForm, SettingsForm, ServiceManager, ThemeManager, LiveController, PluginForm, \
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MediaDockManager, ShortcutListForm, FormattingTagForm, PreviewController
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ShortcutListForm, FormattingTagForm, PreviewController
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from openlp.core.ui.firsttimeform import FirstTimeForm
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from openlp.core.ui.media import MediaController
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from openlp.core.ui.printserviceform import PrintServiceForm
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from openlp.core.ui.projector.manager import ProjectorManager
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from openlp.core.ui.lib.toolbar import OpenLPToolbar
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from openlp.core.ui.lib.dockwidget import OpenLPDockWidget
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from openlp.core.ui.lib.mediadockmanager import MediaDockManager
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log = logging.getLogger(__name__)
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@ -38,8 +38,9 @@ from openlp.core.lib import ItemCapabilities, ServiceItem, ImageSource, ServiceI
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from openlp.core.lib.ui import create_action
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from openlp.core.ui.lib.toolbar import OpenLPToolbar
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from openlp.core.ui.lib.dockwidget import OpenLPDockWidget
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from openlp.core.ui.lib.listpreviewwidget import ListPreviewWidget
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from openlp.core.ui import HideMode, MainDisplay, Display, DisplayControllerType
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from openlp.core.ui.listpreviewwidget import ListPreviewWidget
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# Threshold which has to be trespassed to toggle.
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HIDE_MENU_THRESHOLD = 27
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