forked from openlp/openlp
Added the ability to detect (un)plugged screens after OpenLP has started.
Added the ability to detect screen resolution changes. bzr-revno: 1348
This commit is contained in:
commit
36402ea6aa
@ -24,7 +24,6 @@
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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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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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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###############################################################################
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import os
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import os
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import sys
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import sys
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import logging
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import logging
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@ -179,14 +178,8 @@ class OpenLP(QtGui.QApplication):
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self.splash.show()
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self.splash.show()
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# make sure Qt really display the splash screen
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# make sure Qt really display the splash screen
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self.processEvents()
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self.processEvents()
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screens = ScreenList()
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# Decide how many screens we have and their size
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# Decide how many screens we have and their size
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for screen in xrange(0, self.desktop().numScreens()):
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screens = ScreenList(self.desktop())
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size = self.desktop().screenGeometry(screen)
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screens.add_screen({u'number': screen,
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u'size': size,
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u'primary': (self.desktop().primaryScreen() == screen)})
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log.info(u'Screen %d found with resolution %s', screen, size)
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# start the main app window
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# start the main app window
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self.appClipboard = self.clipboard()
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self.appClipboard = self.clipboard()
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self.mainWindow = MainWindow(screens, app_version, self.appClipboard)
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self.mainWindow = MainWindow(screens, app_version, self.appClipboard)
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@ -234,6 +234,9 @@ class GeneralTab(SettingsTab):
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QtCore.QObject.connect(self.customXValueEdit,
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QtCore.QObject.connect(self.customXValueEdit,
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QtCore.SIGNAL(u'textEdited(const QString&)'),
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QtCore.SIGNAL(u'textEdited(const QString&)'),
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self.onDisplayPositionChanged)
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self.onDisplayPositionChanged)
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# Reload the tab, as the screen resolution/count may have changed.
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'config_screen_changed'), self.load)
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def retranslateUi(self):
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def retranslateUi(self):
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"""
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"""
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@ -300,13 +303,9 @@ class GeneralTab(SettingsTab):
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"""
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"""
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settings = QtCore.QSettings()
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settings = QtCore.QSettings()
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settings.beginGroup(self.settingsSection)
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settings.beginGroup(self.settingsSection)
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for screen in self.screens.screen_list:
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self.monitorComboBox.clear()
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screen_name = u'%s %d' % (translate('OpenLP.GeneralTab', 'Screen'),
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for screen in self.screens.get_screen_list():
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screen[u'number'] + 1)
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self.monitorComboBox.addItem(screen)
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if screen[u'primary']:
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screen_name = u'%s (%s)' % (screen_name,
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translate('OpenLP.GeneralTab', 'primary'))
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self.monitorComboBox.addItem(screen_name)
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self.numberEdit.setText(unicode(settings.value(
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self.numberEdit.setText(unicode(settings.value(
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u'ccli number', QtCore.QVariant(u'')).toString()))
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u'ccli number', QtCore.QVariant(u'')).toString()))
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self.usernameEdit.setText(unicode(settings.value(
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self.usernameEdit.setText(unicode(settings.value(
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@ -25,11 +25,15 @@
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###############################################################################
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###############################################################################
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"""
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"""
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The :mod:`screen` module provides management functionality for a machines'
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The :mod:`screen` module provides management functionality for a machines'
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displays
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displays.
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"""
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"""
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import logging
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import logging
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import copy
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import copy
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from PyQt4 import QtCore
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from openlp.core.lib import Receiver, translate
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log = logging.getLogger(__name__)
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log = logging.getLogger(__name__)
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class ScreenList(object):
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class ScreenList(object):
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@ -38,7 +42,14 @@ class ScreenList(object):
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"""
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"""
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log.info(u'Screen loaded')
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log.info(u'Screen loaded')
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def __init__(self):
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def __init__(self, desktop):
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"""
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Initialise the screen list.
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``desktop``
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A ``QDesktopWidget`` object.
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"""
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self.desktop = desktop
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self.preview = None
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self.preview = None
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self.current = None
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self.current = None
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self.override = None
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self.override = None
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@ -48,19 +59,120 @@ class ScreenList(object):
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self.current_display = 0
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self.current_display = 0
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# save config display number
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# save config display number
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self.monitor_number = 0
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self.monitor_number = 0
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self.screen_count_changed()
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QtCore.QObject.connect(desktop,
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QtCore.SIGNAL(u'resized(int)'), self.screen_resolution_changed)
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QtCore.QObject.connect(desktop,
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QtCore.SIGNAL(u'screenCountChanged(int)'),
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self.screen_count_changed)
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def screen_resolution_changed(self, number):
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"""
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Called when the resolution of a screen has changed.
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``number``
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The number of the screen, which size has changed.
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"""
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log.info(u'screenResolutionChanged %d' % number)
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for screen in self.screen_list:
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if number == screen[u'number']:
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newScreen = {
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u'number': number,
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u'size': self.desktop.screenGeometry(number),
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u'primary': self.desktop.primaryScreen() == number
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}
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self.remove_screen(number)
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self.add_screen(newScreen)
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# The screen's default size is used, that is why we have to
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# update the override screen.
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if screen == self.override:
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self.override = copy.deepcopy(newScreen)
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self.set_override_display()
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Receiver.send_message(u'config_screen_changed')
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break
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def screen_count_changed(self, changed_screen=-1):
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"""
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Called when a screen has been added or removed.
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``changed_screen``
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The screen's number which has been (un)plugged.
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"""
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# Remove unplugged screens.
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for screen in copy.deepcopy(self.screen_list):
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if screen[u'number'] == self.desktop.numScreens():
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self.remove_screen(screen[u'number'])
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# Add new screens.
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for number in xrange(0, self.desktop.numScreens()):
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if not self.screen_exists(number):
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self.add_screen({
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u'number': number,
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u'size': self.desktop.screenGeometry(number),
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u'primary': (self.desktop.primaryScreen() == number)
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})
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# We do not want to send this message, when the method is called the
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# first time.
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if changed_screen != -1:
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# Reload setting tabs to apply possible changes.
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Receiver.send_message(u'config_screen_changed')
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def get_screen_list(self):
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"""
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Returns a list with the screens. This should only be used to display
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available screens to the user::
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[u'Screen 1 (primary)', u'Screen 2']
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"""
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screen_list= []
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for screen in self.screen_list:
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screen_name = u'%s %d' % (translate('OpenLP.ScreenList', 'Screen'),
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screen[u'number'] + 1)
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if screen[u'primary']:
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screen_name = u'%s (%s)' % (screen_name,
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translate('OpenLP.ScreenList', 'primary'))
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screen_list.append(screen_name)
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return screen_list
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def add_screen(self, screen):
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def add_screen(self, screen):
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"""
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"""
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Add a screen to the list of known screens
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Add a screen to the list of known screens.
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``screen``
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A dict with the screen properties::
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{
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u'primary': True,
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u'number': 0,
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u'size': PyQt4.QtCore.QRect(0, 0, 1024, 768)
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}
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"""
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"""
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log.info(u'Screen %d found with resolution %s',
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screen[u'number'], screen[u'size'])
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if screen[u'primary']:
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if screen[u'primary']:
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self.current = screen
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self.current = screen
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self.screen_list.append(screen)
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self.screen_list.append(screen)
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self.display_count += 1
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self.display_count += 1
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def remove_screen(self, number):
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"""
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Remove a screen from the list of known screens.
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``number``
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The screen number (int).
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"""
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log.info(u'remove_screen %d' % number)
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for screen in self.screen_list:
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if screen[u'number'] == number:
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self.screen_list.remove(screen)
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self.display_count -= 1
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break
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def screen_exists(self, number):
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def screen_exists(self, number):
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"""
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"""
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Confirms a screen is known
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Confirms a screen is known.
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``number``
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The screen number (int).
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"""
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"""
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for screen in self.screen_list:
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for screen in self.screen_list:
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if screen[u'number'] == number:
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if screen[u'number'] == number:
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@ -69,7 +181,10 @@ class ScreenList(object):
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def set_current_display(self, number):
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def set_current_display(self, number):
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"""
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"""
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Set up the current screen dimensions
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Set up the current screen dimensions.
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``number``
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The screen number (int).
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"""
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"""
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log.debug(u'set_current_display %s', number)
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log.debug(u'set_current_display %s', number)
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if number + 1 > self.display_count:
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if number + 1 > self.display_count:
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@ -86,8 +201,8 @@ class ScreenList(object):
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def set_override_display(self):
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def set_override_display(self):
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"""
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"""
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replace the current size with the override values
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Replace the current size with the override values, as the user wants to
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user wants to have their own screen attributes
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have their own screen attributes.
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"""
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"""
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log.debug(u'set_override_display')
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log.debug(u'set_override_display')
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self.current = copy.deepcopy(self.override)
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self.current = copy.deepcopy(self.override)
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@ -95,8 +210,8 @@ class ScreenList(object):
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def reset_current_display(self):
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def reset_current_display(self):
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"""
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"""
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replace the current values with the correct values
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Replace the current values with the correct values, as the user wants to
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user wants to use the correct screen attributes
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use the correct screen attributes.
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"""
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"""
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log.debug(u'reset_current_display')
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log.debug(u'reset_current_display')
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self.set_current_display(self.current_display)
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self.set_current_display(self.current_display)
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