Current File : //usr/share/hplip/ui5/deviceuricombobox.py
# -*- coding: utf-8 -*-
#
# (c) Copyright 2001-2015 HP Development Company, L.P.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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
#
# Author: Don Welch
#
# Std Lib
# Local
from base.g import *
from .ui_utils import *
from base import device
from base.sixext import to_unicode
# Qt
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY = 0
DEVICEURICOMBOBOX_TYPE_FAX_ONLY = 1
DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX = 2
class DeviceUriComboBox(QWidget):
DeviceUriComboBox_oneDevice = pyqtSignal()
DeviceUriComboBox_noDevices = pyqtSignal()
DeviceUriComboBox_currentChanged = pyqtSignal(str)
def __init__(self, parent):
QWidget.__init__(self, parent)
self.device_uri = ''
self.initial_device = None
self.updating = False
self.typ = DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY
self.filter = None
self.devices = None
self.user_settings = UserSettings()
self.user_settings.load()
self.user_settings.debug()
self.initUi()
def initUi(self):
HBoxLayout = QHBoxLayout(self)
HBoxLayout.setObjectName("HBoxLayout")
self.NameLabel = QLabel(self)
self.NameLabel.setObjectName("NameLabel")
HBoxLayout.addWidget(self.NameLabel)
SpacerItem = QSpacerItem(20, 20, QSizePolicy.Minimum, QSizePolicy.Minimum)
HBoxLayout.addItem(SpacerItem)
self.ComboBox = QComboBox(self)
sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.ComboBox.sizePolicy().hasHeightForWidth())
self.ComboBox.setSizePolicy(sizePolicy)
self.ComboBox.setObjectName("ComboBox")
HBoxLayout.addWidget(self.ComboBox)
self.NameLabel.setText(self.__tr("Device:"))
# self.connect(self.ComboBox, SIGNAL("currentIndexChanged(int)"),
# self.ComboBox_currentIndexChanged)
# self.connect(self.ComboBox, SIGNAL("currentIndexChanged(const QString &)"),
# self.ComboBox_currentIndexChanged)
self.ComboBox.currentIndexChanged["const QString &"].connect(self.ComboBox_currentIndexChanged)
def setType(self, typ):
if typ in (DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY,
DEVICEURICOMBOBOX_TYPE_FAX_ONLY,
DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX):
self.typ = typ
def setFilter(self, filter):
self.filter = filter
def setInitialDevice(self, device_uri):
self.initial_device = device_uri
def setDevices(self):
if self.typ == DEVICEURICOMBOBOX_TYPE_PRINTER_ONLY:
be_filter = ['hp']
elif self.typ == DEVICEURICOMBOBOX_TYPE_FAX_ONLY:
be_filter = ['hpfax']
self.NameLabel.setText(self.__tr("Fax Device:"))
else: # DEVICEURICOMBOBOX_TYPE_PRINTER_AND_FAX
be_filter = ['hp', 'hpfax']
self.devices = device.getSupportedCUPSDevices(be_filter, self.filter)
return len(self.devices)
def updateUi(self):
if self.devices is None:
self.setDevices()
self.device_index = {}
if self.devices:
if self.initial_device is None:
#self.initial_device = user_conf.get('last_used', 'device_uri')
self.initial_device = self.user_settings.last_used_device_uri
self.updating = True
try:
k = 0
for i, d in enumerate(self.devices):
self.ComboBox.insertItem(i, d)
if self.initial_device is not None and d == self.initial_device:
self.initial_device = None
k = i
self.ComboBox.setCurrentIndex(-1)
finally:
self.updating = False
self.ComboBox.setCurrentIndex(k)
if len(self.devices) == 1:
# self.emit(SIGNAL("DeviceUriComboBox_oneDevice"))
self.DeviceUriComboBox_oneDevice.emit()
else:
# self.emit(SIGNAL("DeviceUriComboBox_noDevices"))
self.DeviceUriComboBox_noDevices.emit()
def ComboBox_currentIndexChanged(self, t):
if self.updating:
return
self.device_uri = to_unicode(t)
if self.device_uri:
#user_conf.set('last_used', 'device_uri', self.device_uri)
self.user_settings.last_used_device_uri = self.device_uri
self.user_settings.save()
# self.emit(SIGNAL("DeviceUriComboBox_currentChanged"), self.device_uri)
self.DeviceUriComboBox_currentChanged.emit(self.device_uri)
def __tr(self,s,c = None):
return qApp.translate("DeviceUriComboBox",s,c)
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