# -*- coding: utf-8 -*- # vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4 """ OpenLP - Open Source Lyrics Projection Copyright (c) 2008 Raoul Snyman Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley, 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; version 2 of the License. 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA """ import logging import os from PyQt4 import QtCore, QtGui from openlp.core.lib import OpenLPToolbar, translate, buildIcon class SlideList(QtGui.QTableWidget): def __init__(self,parent=None,name=None): QtGui.QTableWidget.__init__(self,parent.Controller) self.parent = parent def keyPressEvent(self, event): if type(event) == QtGui.QKeyEvent: #here accept the event and do something if event.key() == QtCore.Qt.Key_Up: self.parent.BaseToolbar.onSlideSelectedPrevious() event.accept() elif event.key() == QtCore.Qt.Key_Down: self.parent.BaseToolbar.onSlideSelectedNext() event.accept() elif event.key() == QtCore.Qt.Key_PageUp: self.parent.BaseToolbar.onSlideSelectedFirst() event.accept() elif event.key() == QtCore.Qt.Key_PageDown: self.parent.BaseToolbar.onSlideSelectedLast() event.accept() event.ignore() else: event.ignore() class SlideController(QtGui.QWidget): """ SlideController is the slide controller widget. This widget is what the user uses to control the displaying of verses/slides/etc on the screen. """ global log log = logging.getLogger(u'SlideController') def __init__(self, parent, isLive=False): """ Set up the Slide Controller. """ self.toolbarList = {} self.previewList = {} QtGui.QWidget.__init__(self, parent.mainWindow) self.isLive = isLive self.parent = parent self.Panel = QtGui.QWidget(parent.ControlSplitter) self.Splitter = QtGui.QSplitter(self.Panel) self.Splitter.setOrientation(QtCore.Qt.Vertical) # Layout for holding panel self.PanelLayout = QtGui.QVBoxLayout(self.Panel) self.PanelLayout.addWidget(self.Splitter) self.PanelLayout.setSpacing(0) self.PanelLayout.setMargin(0) # Actual controller section self.Controller = QtGui.QWidget(self.Splitter) self.Controller.setGeometry(QtCore.QRect(0, 0, 100, 536)) self.Controller.setSizePolicy( QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Maximum)) self.ControllerLayout = QtGui.QVBoxLayout(self.Controller) self.ControllerLayout.setSpacing(0) self.ControllerLayout.setMargin(0) # Controller list view self.PreviewListWidget = SlideList(self) self.PreviewListWidget.setColumnCount(1) self.PreviewListWidget.horizontalHeader().setVisible(False) self.PreviewListWidget.verticalHeader().setVisible(False) self.PreviewListWidget.setColumnWidth(1, self.Controller.width()) self.PreviewListWidget.isLive = self.isLive self.PreviewListWidget.setObjectName(u'PreviewListWidget') self.ControllerLayout.addWidget(self.PreviewListWidget) # Plugin the Base Toolbar class self.BaseToolbar = MasterToolbar(self.isLive) self.registerToolbar(u'master', self.BaseToolbar) self.Toolbar = self.BaseToolbar.getToolbar() self.ControllerLayout.addWidget(self.Toolbar) sizeToolbarPolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed) sizeToolbarPolicy.setHorizontalStretch(0) sizeToolbarPolicy.setVerticalStretch(0) sizeToolbarPolicy.setHeightForWidth( self.Toolbar.sizePolicy().hasHeightForWidth()) self.Toolbar.setSizePolicy(sizeToolbarPolicy) # Screen preview area self.PreviewFrame = QtGui.QFrame(self.Splitter) self.PreviewFrame.setGeometry(QtCore.QRect(0, 0, 280, 190)) self.PreviewFrame.setSizePolicy(QtGui.QSizePolicy( QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Minimum)) self.PreviewFrame.setFrameShape(QtGui.QFrame.StyledPanel) self.PreviewFrame.setFrameShadow(QtGui.QFrame.Sunken) self.PreviewFrame.setObjectName(u'PreviewFrame') self.grid = QtGui.QGridLayout(self.PreviewFrame) self.grid.setMargin(8) self.grid.setObjectName(u'grid') # Actual preview screen masterPreview = MasterPreview(self.PreviewFrame).getPreview() self.registerPreview(u'master', masterPreview) self.SlidePreview = self.retrievePreview(u'master') self.grid.addWidget(self.SlidePreview, 0, 0, 1, 1) # Signals QtCore.QObject.connect(self.PreviewListWidget, QtCore.SIGNAL(u'clicked(QModelIndex)'), self.BaseToolbar.onSlideSelected) QtCore.QObject.connect(self.PreviewListWidget, QtCore.SIGNAL(u'activated(QModelIndex)'), self.BaseToolbar.onSlideSelected) # Add Late Arrivals self.BaseToolbar.PreviewListWidget = self.PreviewListWidget self.BaseToolbar.SlidePreview = self.SlidePreview self.BaseToolbar.mainDisplay = self.parent.mainDisplay def registerToolbar(self, handle,controller): """ Register a new toolbar with the controller ``handle`` Identifier for the toolbar being stored this should equal the plugins name. ``controller`` The toolbar class which should extend MasterToolbar """ #store the handle name in lower case so no probems later self.toolbarList[handle.lower()] = controller def registerPreview(self, handle,controller): """ Register a new preview with the controller ``handle`` Identifier for the preview being stored this should equal the plugins name. ``controller`` The preview class which should extend MasterToolbar """ #store the handle name in lower case so no probems later self.previewList[handle.lower()] = controller def retrieveToolbar(self, handle): """ Find the toolbar and return master if none present Add extra information back into toolbar class ``handle`` Identifier for the toolbar being requested """ try: toolbar = self.toolbarList[handle.lower()] except: toolbar = self.toolbarList[u'master'] toolbar.PreviewListWidget = self.PreviewListWidget toolbar.SlidePreview = self.SlidePreview toolbar.mainDisplay = self.parent.mainDisplay return toolbar def retrievePreview(self, handle): """ Find the preview and return master if none present Add extra information back into toolbar class ``handle`` Identifier for the toolbar being requested """ try: preview = self.previewList[handle.lower()] except: preview = self.previewList[u'master'] return preview def addServiceItem(self, item): """ Method to install the service item into the controller and request the correct the toolbar of the plugin Called by plugins """ self.SlidePreview = self.retrievePreview(item.shortname) self.BaseToolbar = self.retrieveToolbar(item.shortname) self.ControllerLayout.removeWidget(self.Toolbar) #remove the old toolbar self.Toolbar.clear() self.Toolbar = self.BaseToolbar.getToolbar() self.ControllerLayout.addWidget(self.Toolbar) self.BaseToolbar.addServiceItem(item) def addServiceManagerItem(self, item, slideno): """ Method to install the service item into the controller and request the correct the toolbar of the plugin Called by ServiceManager """ self.SlidePreview = self.retrievePreview(item.shortname) self.BaseToolbar = self.retrieveToolbar(item.shortname) self.ControllerLayout.removeWidget(self.Toolbar) #remove the old toolbar self.Toolbar.clear() self.Toolbar = self.BaseToolbar.getToolbar() self.ControllerLayout.addWidget(self.Toolbar) self.BaseToolbar.addServiceManagerItem(item, slideno) class MasterPreview(QtCore.QObject): """ Class from which all Previews should extend allowing plugins to have their own previews """ def __init__(self, parent): self.parent = parent QtCore.QObject.__init__(self) self.definePreview() def getPreview(self): return self.SlidePreview def definePreview(self): self.SlidePreview = QtGui.QLabel(self.parent) sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth( self.SlidePreview.sizePolicy().hasHeightForWidth()) self.SlidePreview.setSizePolicy(sizePolicy) self.SlidePreview.setFixedSize(QtCore.QSize(250, 210)) self.SlidePreview.setFrameShape(QtGui.QFrame.Box) self.SlidePreview.setFrameShadow(QtGui.QFrame.Plain) self.SlidePreview.setLineWidth(1) self.SlidePreview.setScaledContents(True) self.SlidePreview.setObjectName(u'SlidePreview') class MasterToolbar(QtCore.QObject): """ Class from which all toolbars should extend """ def __init__(self, isLive): self.Toolbar = None QtCore.QObject.__init__(self) self.PreviewListWidget = QtGui.QListWidget() self.isLive = isLive def getToolbar(self): #define toolbar here as it needs to be redefined each time #as the clear destroys it. self.defineToolbar() return self.Toolbar def defineToolbar(self): # Controller toolbar self.Toolbar = OpenLPToolbar(self) sizeToolbarPolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed) sizeToolbarPolicy.setHorizontalStretch(0) sizeToolbarPolicy.setVerticalStretch(0) sizeToolbarPolicy.setHeightForWidth( self.Toolbar.sizePolicy().hasHeightForWidth()) self.Toolbar.setSizePolicy(sizeToolbarPolicy) if self.isLive: self.Toolbar.addToolbarButton(u'First Slide', u':/slides/slide_first.png', translate(u'SlideController', u'Move to first'), self.onSlideSelectedFirst) self.Toolbar.addToolbarButton(u'Previous Slide', u':/slides/slide_previous.png', translate(u'SlideController', u'Move to previous'), self.onSlideSelectedPrevious) self.Toolbar.addToolbarButton(u'Next Slide', u':/slides/slide_next.png', translate(u'SlideController', u'Move to next'), self.onSlideSelectedNext) if self.isLive: self.Toolbar.addToolbarButton(u'Last Slide', u':/slides/slide_last.png', translate(u'SlideController', u'Move to last'), self.onSlideSelectedLast) self.Toolbar.addSeparator() self.Toolbar.addToolbarButton(u'Close Screen', u':/slides/slide_close.png', translate(u'SlideController', u'Close Screen'), self.onBlankScreen) def serviceLoaded(self): """ method to allow toolbars to know when the service item is fully in place """ pass def onSlideSelectedFirst(self): """ Go to the first slide. """ self.PreviewListWidget.selectRow(0) self.onSlideSelected() def onSlideSelectedNext(self): """ Go to the next slide. """ row = self.PreviewListWidget.currentRow() + 1 if row == self.PreviewListWidget.rowCount(): row = 0 self.PreviewListWidget.selectRow(row) self.onSlideSelected() def onSlideSelectedPrevious(self): """ Go to the previous slide. """ row = self.PreviewListWidget.currentRow() - 1 if row == -1: row = self.PreviewListWidget.rowCount() - 1 self.PreviewListWidget.selectRow(row) self.onSlideSelected() def onSlideSelectedLast(self): """ Go to the last slide. """ self.PreviewListWidget.selectRow(self.PreviewListWidget.rowCount() - 1) self.onSlideSelected() def onBlankScreen(self): """ Blank the screen. """ self.mainDisplay.blankDisplay() def onSlideSelected(self): """ Generate the preview when you click on a slide. if this is the Live Controller also display on the screen """ row = self.PreviewListWidget.currentRow() if row > -1 and row < self.PreviewListWidget.rowCount(): label = self.PreviewListWidget.cellWidget(row, 0) smallframe = label.pixmap() frame = self.serviceitem.frames[row][u'image'] self.SlidePreview.setPixmap(smallframe) if self.isLive: self.mainDisplay.frameView(frame) def addServiceItem(self, serviceitem, slideno = 1): """ Loads a ServiceItem into the system from plugins Display the first slide """ log.debug(u'add Service Item') serviceitem.render() self.addServiceManagerItem(serviceitem, 0) def addServiceManagerItem(self, serviceitem, slideno): """ Loads a ServiceItem into the system from ServiceManager Display the slide number passed """ log.debug(u'add Service Manager Item') self.serviceitem = serviceitem slide_pixmap = QtGui.QPixmap.fromImage(self.serviceitem.frames[0][u'image']) slide_width = 300 slide_height = slide_width * slide_pixmap.height() / slide_pixmap.width() self.PreviewListWidget.clear() self.PreviewListWidget.setRowCount(0) self.PreviewListWidget.setColumnWidth(0, slide_width) for framenumber, frame in enumerate(self.serviceitem.frames): self.PreviewListWidget.setRowCount(self.PreviewListWidget.rowCount() + 1) pixmap = QtGui.QPixmap.fromImage(frame[u'image']) item = QtGui.QTableWidgetItem() label = QtGui.QLabel() label.setMargin(8) label.setScaledContents(True) label.setPixmap(pixmap) self.PreviewListWidget.setCellWidget(framenumber, 0, label) self.PreviewListWidget.setItem(framenumber, 0, item) self.PreviewListWidget.setRowHeight(framenumber, slide_height) slide_width = self.PreviewListWidget.viewport().size().width() self.PreviewListWidget.setColumnWidth(0, slide_width) if slideno > self.PreviewListWidget.rowCount(): self.PreviewListWidget.selectRow(self.PreviewListWidget.rowCount()) else: self.PreviewListWidget.selectRow(slideno) self.onSlideSelected() self.serviceLoaded() self.PreviewListWidget.setFocus()