forked from openlp/openlp
118 lines
4.4 KiB
Python
118 lines
4.4 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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from PyQt4 import QtCore, QtGui, QtTest
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from time import sleep
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from openlp.core.lib import translate
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class MainDisplay(QtGui.QWidget):
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def __init__(self, parent , screens):
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QtGui.QWidget.__init__(self, parent)
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self.setWindowTitle(u'OpenLP Display')
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self.screens = screens
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self.layout = QtGui.QVBoxLayout(self)
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self.layout.setSpacing(0)
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self.layout.setMargin(0)
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self.layout.setObjectName(u'layout')
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self.display = QtGui.QLabel(self)
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self.display.setScaledContents(True)
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self.layout.addWidget(self.display)
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self.displayBlank = False
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self.blankFrame= None
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self.alertactive = False
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self.alerttext = u''
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self.alertTab = None
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def setup(self, screenNumber):
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"""
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Sets up the screen on a particular screen.
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@param (integer) screen This is the screen number.
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"""
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screen = self.screens[screenNumber]
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if screen[u'number'] != screenNumber:
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# We will most probably never actually hit this bit, but just in
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# case the index in the list doesn't match the screen number, we
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# search for it.
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for scrn in self.screens:
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if scrn[u'number'] == screenNumber:
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screen = scrn
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break
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self.setGeometry(screen[u'size'])
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if not screen[u'primary']:
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self.showFullScreen()
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else:
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self.showMinimized()
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painter = QtGui.QPainter()
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self.blankFrame = QtGui.QImage(screen[u'size'].width(),
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screen[u'size'].height(), QtGui.QImage.Format_ARGB32_Premultiplied)
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painter.begin(self.blankFrame)
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painter.fillRect(self.blankFrame.rect(), QtCore.Qt.black)
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self.frameView(self.blankFrame)
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def frameView(self, frame):
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self.frame = frame
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if not self.displayBlank:
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self.display.setPixmap(QtGui.QPixmap.fromImage(frame))
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elif self.alertactive:
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self.displayAlert()
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def blankDisplay(self):
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if not self.displayBlank:
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self.displayBlank = True
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self.display.setPixmap(self.blankFrame)
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else:
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self.displayBlank = False
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self.frameView(self.frame)
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def alert(self, alertTab, text):
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"""
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Called from the Alert Tab
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alertTab = details from AlertTab
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text = display text
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screen = screen number to be displayed on.
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"""
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self.alerttext = text
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self.alertTab = alertTab
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if len(text) > 0:
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self.alertactive = True
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self.displayAlert()
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self.alertactive = False
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def displayAlert(self):
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alertframe = QtGui.QPixmap.fromImage(self.frame)
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painter = QtGui.QPainter(alertframe)
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top = alertframe.rect().height() * 0.9
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painter.fillRect(QtCore.QRect(0, top , alertframe.rect().width(), alertframe.rect().height() - top), QtGui.QColor(self.alertTab.bg_color))
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font = QtGui.QFont()
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font.setFamily(self.alertTab.font_face)
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font.setBold(True)
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font.setPointSize(40)
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painter.setFont(font)
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painter.setPen(QtGui.QColor(self.alertTab.font_color))
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x, y = (0, top)
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metrics=QtGui.QFontMetrics(font)
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painter.drawText(x, y+metrics.height()-metrics.descent()-1, self.alerttext)
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painter.end()
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self.display.setPixmap(alertframe)
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QtTest.QTest.qWait(self.alertTab.timeout*1000)
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self.display.setPixmap(QtGui.QPixmap.fromImage(self.frame))
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