ui4/printernamecombobox.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # (c) Copyright 2001-2009 Hewlett-Packard Development Company, L.P.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18 #
  19 # Author: Don Welch
  20 #
  21
  22 # Std Lib
  23 #import sys
  24
  25 # Local
  26 from base.g import *
  27 from ui_utils import *
  28 from base import device
  29
  30 # Qt
  31 from PyQt4.QtCore import *
  32 from PyQt4.QtGui import *
  33
  34
  35 PRINTERNAMECOMBOBOX_TYPE_PRINTER_ONLY = 0
  36 PRINTERNAMECOMBOBOX_TYPE_FAX_ONLY = 1
  37 PRINTERNAMECOMBOBOX_TYPE_PRINTER_AND_FAX = 2
  38
  39
  40 class PrinterNameComboBox(QWidget):
  41     def __init__(self, parent):
  42         QWidget.__init__(self, parent)
  43         self.printer_name = ''
  44         self.device_uri = ''
  45         self.printer_index = {}
  46         self.initial_printer = None
  47         self.updating = False
  48         self.typ = PRINTERNAMECOMBOBOX_TYPE_PRINTER_ONLY
  49
  50         self.user_settings = UserSettings()
  51         self.user_settings.load()
  52         self.user_settings.debug()
  53
  54         self.initUi()
  55
  56
  57     def initUi(self):
  58         #print "PrinterNameComboBox.initUi()"
  59         HBoxLayout = QHBoxLayout(self)
  60         HBoxLayout.setObjectName("HBoxLayout")
  61
  62         self.NameLabel = QLabel(self)
  63         self.NameLabel.setObjectName("NameLabel")
  64         HBoxLayout.addWidget(self.NameLabel)
  65
  66         SpacerItem = QSpacerItem(20, 20, QSizePolicy.Minimum, QSizePolicy.Minimum)
  67         HBoxLayout.addItem(SpacerItem)
  68
  69         self.ComboBox = QComboBox(self)
  70         sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
  71         sizePolicy.setHorizontalStretch(0)
  72         sizePolicy.setVerticalStretch(0)
  73         sizePolicy.setHeightForWidth(self.ComboBox.sizePolicy().hasHeightForWidth())
  74         self.ComboBox.setSizePolicy(sizePolicy)
  75         self.ComboBox.setObjectName("ComboBox")
  76         HBoxLayout.addWidget(self.ComboBox)
  77
  78         self.NameLabel.setText(self.__tr("Printer:"))
  79
  80         #self.connect(self.ComboBox, SIGNAL("currentIndexChanged(int)"),
  81         #    self.ComboBox_currentIndexChanged)
  82
  83         self.connect(self.ComboBox, SIGNAL("currentIndexChanged(const QString &)"),
  84             self.ComboBox_currentIndexChanged)
  85
  86     def setType(self, typ):
  87         if typ in (PRINTERNAMECOMBOBOX_TYPE_PRINTER_ONLY,
  88                    PRINTERNAMECOMBOBOX_TYPE_FAX_ONLY,
  89                    PRINTERNAMECOMBOBOX_TYPE_PRINTER_AND_FAX):
  90             self.typ = typ
  91
  92
  93     def setInitialPrinter(self, printer_name):
  94         self.initial_printer = printer_name
  95
  96
  97     def updateUi(self):
  98         #print "PrinterNameComboBox.updateUi()"
  99         if self.typ == PRINTERNAMECOMBOBOX_TYPE_PRINTER_ONLY:
 100             self.NameLabel.setText(self.__tr("Printer Name:"))
 101             be_filter = ['hp']
 102
 103         elif self.typ == PRINTERNAMECOMBOBOX_TYPE_FAX_ONLY:
 104             self.NameLabel.setText(self.__tr("Fax Name:"))
 105             be_filter = ['hpfax']
 106
 107         else: # PRINTERNAMECOMBOBOX_TYPE_PRINTER_AND_FAX
 108             self.NameLabel.setText(self.__tr("Printer/Fax Name:"))
 109             be_filter = ['hp', 'hpfax']
 110
 111         self.printers = device.getSupportedCUPSPrinters(be_filter)
 112         self.printer_index.clear() # = {}
 113
 114         if self.printers:
 115             if self.initial_printer is None:
 116                 #user_conf.get('last_used', 'printer_name')
 117                 self.initial_printer = self.user_settings.last_used_printer
 118
 119             self.updating = True
 120             try:
 121                 k = 0
 122                 for i, p in enumerate(self.printers):
 123                     self.printer_index[p.name] = p.device_uri
 124                     self.ComboBox.insertItem(i, p.name)
 125
 126                     if self.initial_printer is not None and p.name == self.initial_printer:
 127                         self.initial_printer = None
 128                         k = i
 129
 130                 self.ComboBox.setCurrentIndex(-1)
 131
 132             finally:
 133                 self.updating = False
 134
 135             self.ComboBox.setCurrentIndex(k)
 136         else:
 137             self.emit(SIGNAL("PrinterNameComboBox_noPrinters"))
 138
 139
 140     def ComboBox_currentIndexChanged(self, t):
 141         self.printer_name = unicode(t)
 142
 143         if self.updating:
 144             return
 145
 146         self.device_uri = self.printer_index[self.printer_name]
 147         #user_conf.set('last_used', 'printer_name', self.printer_name)
 148         self.user_settings.last_used_printer = self.printer_name
 149         self.user_settings.save()
 150
 151         self.emit(SIGNAL("PrinterNameComboBox_currentChanged"), self.device_uri, self.printer_name)
 152
 153
 154     def __tr(self,s,c = None):
 155         return qApp.translate("PrinterNameComboBox",s,c)