forked from openlp/openlp
355 lines
14 KiB
Python
355 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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"""
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OpenLP - Open Source Lyrics Projection
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Copyright (c) 2008 Raoul Snyman
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Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley,
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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import logging
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import os
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from PyQt4 import QtCore, QtGui
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from openlp.core.lib import OpenLPToolbar, translate, buildIcon, Receiver, ServiceType, RenderManager
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class SlideList(QtGui.QTableWidget):
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"""
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Customised version of QTableWidget which can respond to keyboard
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events.
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"""
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def __init__(self, parent=None, name=None):
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QtGui.QTableWidget.__init__(self, parent.Controller)
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self.parent = parent
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def keyPressEvent(self, event):
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if type(event) == QtGui.QKeyEvent:
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#here accept the event and do something
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if event.key() == QtCore.Qt.Key_Up:
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self.parent.onSlideSelectedPrevious()
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event.accept()
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elif event.key() == QtCore.Qt.Key_Down:
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self.parent.onSlideSelectedNext()
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event.accept()
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elif event.key() == QtCore.Qt.Key_PageUp:
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self.parent.onSlideSelectedFirst()
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event.accept()
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elif event.key() == QtCore.Qt.Key_PageDown:
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self.parent.onSlideSelectedLast()
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event.accept()
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event.ignore()
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else:
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event.ignore()
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class SlideController(QtGui.QWidget):
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"""
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SlideController is the slide controller widget. This widget is what the user
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uses to control the displaying of verses/slides/etc on the screen.
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"""
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global log
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log = logging.getLogger(u'SlideController')
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def __init__(self, parent, isLive=False):
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"""
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Set up the Slide Controller.
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"""
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QtGui.QWidget.__init__(self, parent)
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self.isLive = isLive
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self.parent = parent
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self.image_list = [u'Start Loop', u'Stop Loop', u'Loop Spearator', u'Image SpinBox']
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self.timer_id = 0
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self.Panel = QtGui.QWidget(parent.ControlSplitter)
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self.Splitter = QtGui.QSplitter(self.Panel)
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self.Splitter.setOrientation(QtCore.Qt.Vertical)
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# Layout for holding panel
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self.PanelLayout = QtGui.QVBoxLayout(self.Panel)
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self.PanelLayout.addWidget(self.Splitter)
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self.PanelLayout.setSpacing(0)
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self.PanelLayout.setMargin(0)
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# Actual controller section
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self.Controller = QtGui.QWidget(self.Splitter)
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self.Controller.setGeometry(QtCore.QRect(0, 0, 100, 536))
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self.Controller.setSizePolicy(
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QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred,
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QtGui.QSizePolicy.Maximum))
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self.ControllerLayout = QtGui.QVBoxLayout(self.Controller)
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self.ControllerLayout.setSpacing(0)
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self.ControllerLayout.setMargin(0)
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# Controller list view
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self.PreviewListWidget = SlideList(self)
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self.PreviewListWidget.setColumnCount(1)
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self.PreviewListWidget.horizontalHeader().setVisible(False)
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self.PreviewListWidget.verticalHeader().setVisible(False)
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self.PreviewListWidget.setColumnWidth(1, self.Controller.width())
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self.PreviewListWidget.isLive = self.isLive
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self.PreviewListWidget.setObjectName(u'PreviewListWidget')
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self.ControllerLayout.addWidget(self.PreviewListWidget)
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# Build the full toolbar
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self.Toolbar = OpenLPToolbar(self)
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sizeToolbarPolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed,
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QtGui.QSizePolicy.Fixed)
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sizeToolbarPolicy.setHorizontalStretch(0)
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sizeToolbarPolicy.setVerticalStretch(0)
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sizeToolbarPolicy.setHeightForWidth(
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self.Toolbar.sizePolicy().hasHeightForWidth())
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self.Toolbar.setSizePolicy(sizeToolbarPolicy)
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if self.isLive:
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self.Toolbar.addToolbarButton(u'First Slide',
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u':/slides/slide_first.png',
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translate(u'SlideController', u'Move to first'),
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self.onSlideSelectedFirst)
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self.Toolbar.addToolbarButton(u'Previous Slide',
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u':/slides/slide_previous.png',
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translate(u'SlideController', u'Move to previous'),
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self.onSlideSelectedPrevious)
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self.Toolbar.addToolbarButton(u'Next Slide',
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u':/slides/slide_next.png',
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translate(u'SlideController', u'Move to next'),
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self.onSlideSelectedNext)
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if self.isLive:
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self.Toolbar.addToolbarButton(u'Last Slide',
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u':/slides/slide_last.png',
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translate(u'SlideController', u'Move to last'),
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self.onSlideSelectedLast)
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if self.isLive:
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self.Toolbar.addToolbarSeparator(u'Close Separator')
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self.Toolbar.addToolbarButton(u'Close Screen',
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u':/slides/slide_close.png',
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translate(u'SlideController', u'Close Screen'),
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self.onBlankScreen)
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if isLive:
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self.Toolbar.addToolbarSeparator(u'Loop Spearator')
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self.Toolbar.addToolbarButton(u'Start Loop',
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u':/media/media_time.png',
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translate(u'SlideController', u'Start continuous loop'),
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self.onStartLoop)
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self.Toolbar.addToolbarButton(u'Stop Loop',
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u':/media/media_stop.png',
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translate(u'SlideController', u'Stop continuous loop'),
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self.onStopLoop)
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self.DelaySpinBox = QtGui.QSpinBox()
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self.Toolbar.addToolbarWidget(u'Image SpinBox', self.DelaySpinBox)
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self.DelaySpinBox.setSuffix(translate(u'SlideController', u's'))
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self.ControllerLayout.addWidget(self.Toolbar)
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sizeToolbarPolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed,
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QtGui.QSizePolicy.Fixed)
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sizeToolbarPolicy.setHorizontalStretch(0)
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sizeToolbarPolicy.setVerticalStretch(0)
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sizeToolbarPolicy.setHeightForWidth(
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self.Toolbar.sizePolicy().hasHeightForWidth())
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self.Toolbar.setSizePolicy(sizeToolbarPolicy)
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# Screen preview area
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self.PreviewFrame = QtGui.QFrame(self.Splitter)
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self.PreviewFrame.setGeometry(QtCore.QRect(0, 0, 300, 225))
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self.PreviewFrame.setSizePolicy(QtGui.QSizePolicy(
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QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Minimum))
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self.PreviewFrame.setFrameShape(QtGui.QFrame.StyledPanel)
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self.PreviewFrame.setFrameShadow(QtGui.QFrame.Sunken)
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self.PreviewFrame.setObjectName(u'PreviewFrame')
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self.grid = QtGui.QGridLayout(self.PreviewFrame)
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self.grid.setMargin(8)
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self.grid.setObjectName(u'grid')
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# Actual preview screen
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self.SlidePreview = QtGui.QLabel(self.parent)
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sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed,
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QtGui.QSizePolicy.Fixed)
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sizePolicy.setHorizontalStretch(0)
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sizePolicy.setVerticalStretch(0)
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sizePolicy.setHeightForWidth(
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self.SlidePreview.sizePolicy().hasHeightForWidth())
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self.SlidePreview.setSizePolicy(sizePolicy)
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self.SlidePreview.setFixedSize(QtCore.QSize(300, 225))
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self.SlidePreview.setFrameShape(QtGui.QFrame.Box)
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self.SlidePreview.setFrameShadow(QtGui.QFrame.Plain)
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self.SlidePreview.setLineWidth(1)
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self.SlidePreview.setScaledContents(True)
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self.SlidePreview.setObjectName(u'SlidePreview')
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self.grid.addWidget(self.SlidePreview, 0, 0, 1, 1)
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# Signals
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QtCore.QObject.connect(self.PreviewListWidget,
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QtCore.SIGNAL(u'clicked(QModelIndex)'), self.onSlideSelected)
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QtCore.QObject.connect(self.PreviewListWidget,
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QtCore.SIGNAL(u'activated(QModelIndex)'), self.onSlideSelected)
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if isLive:
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'update_spin_delay'), self.receiveSpinDelay)
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Receiver().send_message(u'request_spin_delay')
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if isLive:
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self.Toolbar.makeWidgetsInvisible(self.image_list)
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else:
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pass
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def receiveSpinDelay(self, value):
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self.DelaySpinBox.setValue(int(value))
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def enableToolBar(self, item):
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"""
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Allows the toolbars to be reconfigured based on Controller Type
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and ServiceItem Type
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"""
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if self.isLive:
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self.enableLiveToolBar(item)
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else:
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self.enablePreviewToolBar(item)
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def enableLiveToolBar(self, item):
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"""
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Allows the live toolbar to be customised
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"""
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if item.service_item_type == ServiceType.Text:
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self.Toolbar.makeWidgetsInvisible(self.image_list)
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elif item.service_item_type == ServiceType.Image:
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#Not sensible to allow loops with 1 frame
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if len(item.frames) > 1:
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self.Toolbar.makeWidgetsVisible(self.image_list)
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else:
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self.Toolbar.makeWidgetsInvisible(self.image_list)
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def enablePreviewToolBar(self, item):
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"""
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Allows the Preview toolbar to be customised
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"""
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pass
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def addServiceItem(self, item):
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"""
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Method to install the service item into the controller and
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request the correct the toolbar of the plugin
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Called by plugins
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"""
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log.debug(u'addServiceItem')
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item.render()
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self.enableToolBar(item)
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self.displayServiceManagerItems(item, 0)
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def addServiceManagerItem(self, item, slideno):
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"""
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Method to install the service item into the controller and
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request the correct the toolbar of the plugin
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Called by ServiceManager
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"""
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log.debug(u'addServiceItem')
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self.enableToolBar(item)
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self.displayServiceManagerItems(item, slideno)
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def displayServiceManagerItems(self, serviceitem, slideno):
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"""
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Loads a ServiceItem into the system from ServiceManager
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Display the slide number passed
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"""
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log.debug(u'displayServiceManagerItems Start')
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self.serviceitem = serviceitem
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slide_image = self.serviceitem.frames[0][u'image']
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size = slide_image.size()
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slide_width = 300
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slide_height = slide_width * size.height() / size.width()
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self.PreviewListWidget.clear()
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self.PreviewListWidget.setRowCount(0)
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self.PreviewListWidget.setColumnWidth(0, slide_width)
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for framenumber, frame in enumerate(self.serviceitem.frames):
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self.PreviewListWidget.setRowCount(self.PreviewListWidget.rowCount() + 1)
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pixmap = self.parent.RenderManager.resize_image(frame[u'image'], slide_width, slide_height)
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item = QtGui.QTableWidgetItem()
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label = QtGui.QLabel()
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label.setMargin(8)
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label.setScaledContents(True)
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label.setPixmap(QtGui.QPixmap.fromImage(pixmap))
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self.PreviewListWidget.setCellWidget(framenumber, 0, label)
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self.PreviewListWidget.setItem(framenumber, 0, item)
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self.PreviewListWidget.setRowHeight(framenumber, slide_height)
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slide_width = self.PreviewListWidget.viewport().size().width()
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self.PreviewListWidget.setColumnWidth(0, slide_width)
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if slideno > self.PreviewListWidget.rowCount():
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self.PreviewListWidget.selectRow(self.PreviewListWidget.rowCount())
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else:
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self.PreviewListWidget.selectRow(slideno)
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self.onSlideSelected()
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self.PreviewListWidget.setFocus()
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log.debug(u'displayServiceManagerItems End')
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#Screen event methods
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def onSlideSelectedFirst(self):
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"""
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Go to the first slide.
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"""
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self.PreviewListWidget.selectRow(0)
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self.onSlideSelected()
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def onBlankScreen(self):
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"""
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Blank the screen.
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"""
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self.parent.mainDisplay.blankDisplay()
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def onSlideSelected(self):
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"""
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Generate the preview when you click on a slide.
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if this is the Live Controller also display on the screen
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"""
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row = self.PreviewListWidget.currentRow()
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if row > -1 and row < self.PreviewListWidget.rowCount():
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label = self.PreviewListWidget.cellWidget(row, 0)
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smallframe = label.pixmap()
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frame = self.serviceitem.frames[row][u'image']
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self.SlidePreview.setPixmap(smallframe)
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if self.isLive:
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self.parent.mainDisplay.frameView(frame)
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def onSlideSelectedNext(self):
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"""
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Go to the next slide.
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"""
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row = self.PreviewListWidget.currentRow() + 1
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if row == self.PreviewListWidget.rowCount():
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row = 0
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self.PreviewListWidget.selectRow(row)
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self.onSlideSelected()
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def onSlideSelectedPrevious(self):
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"""
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Go to the previous slide.
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"""
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row = self.PreviewListWidget.currentRow() - 1
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if row == -1:
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row = self.PreviewListWidget.rowCount() - 1
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self.PreviewListWidget.selectRow(row)
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self.onSlideSelected()
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def onSlideSelectedLast(self):
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"""
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Go to the last slide.
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"""
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self.PreviewListWidget.selectRow(self.PreviewListWidget.rowCount() - 1)
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self.onSlideSelected()
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def onStartLoop(self):
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"""
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Go to the last slide.
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"""
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if self.PreviewListWidget.rowCount() > 1:
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self.timer_id = self.startTimer(int(self.DelaySpinBox.value()) * 1000)
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def onStopLoop(self):
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"""
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Go to the last slide.
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"""
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self.killTimer(self.timer_id)
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def timerEvent(self, event):
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if event.timerId() == self.timer_id:
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self.onSlideSelectedNext()
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