qt_dialogue.py

   1 # DSL - easy Display Setup for Laptops
   2 # Copyright (C) 2012 Ralf Jung <post@ralfj.de>
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17 from dsl import RelativeScreenPosition, ScreenSetup, res2user
  18 from PyQt4 import QtCore, QtGui
  19
  20 def makeLayout(layout, members):
  21         for m in members:
  22                 if isinstance(m, QtGui.QLayout):
  23                         layout.addLayout(m)
  24                 else:
  25                         layout.addWidget(m)
  26         return layout
  27
  28 class PositionSelection(QtGui.QDialog):
  29         def __init__(self, internalResolutions, externalResolutions):
  30                 # set up main window
  31                 super(PositionSelection, self).__init__()
  32                 self.setWindowTitle('DSL - easy Display Setup for Laptops')
  33
  34                 # position selection
  35                 posBox = QtGui.QGroupBox('Position of external screen', self)
  36                 self.posLeft = QtGui.QRadioButton('Left of internal screen', posBox)
  37                 self.posRight = QtGui.QRadioButton('Right of internal screen', posBox)
  38                 self.posRight.setChecked(True)
  39                 self.posRight.setFocus()
  40                 self.extOnly = QtGui.QRadioButton('Use external screen exclusively', posBox)
  41                 posBox.setLayout(makeLayout(QtGui.QVBoxLayout(), [self.posLeft, self.posRight, self.extOnly]))
  42
  43                 # primary screen
  44                 primBox = QtGui.QGroupBox('Which should be the primary screen?', self)
  45                 self.extOnly.toggled.connect(primBox.setDisabled) # disable the box if there's just one screen in use
  46                 self.primExt = QtGui.QRadioButton('The external screen', primBox)
  47                 self.primInt = QtGui.QRadioButton('The internal screen', primBox)
  48                 self.primInt.setChecked(True)
  49                 primBox.setLayout(makeLayout(QtGui.QVBoxLayout(), [self.primExt, self.primInt]))
  50
  51                 # resolution selection
  52                 resBox = QtGui.QGroupBox('Screen resolutions', self)
  53                 extResLabel = QtGui.QLabel('Resolution of external screen:', resBox)
  54                 self.extResolutions = externalResolutions
  55                 self.extResolutionsBox = QtGui.QComboBox(resBox)
  56                 for res in externalResolutions:
  57                         self.extResolutionsBox.addItem(res2user(res))
  58                 self.extResolutionsBox.setCurrentIndex(0) # select first resolution
  59                 extRow = makeLayout(QtGui.QHBoxLayout(), [extResLabel, self.extResolutionsBox])
  60                 intResLabel = QtGui.QLabel('Resolution of internal screen:', resBox)
  61                 self.extOnly.toggled.connect(intResLabel.setDisabled) # disable the label if there's just one screen in use
  62                 self.intResolutions = internalResolutions
  63                 self.intResolutionsBox = QtGui.QComboBox(resBox)
  64                 for res in internalResolutions:
  65                         self.intResolutionsBox.addItem(res2user(res))
  66                 self.intResolutionsBox.setCurrentIndex(0) # select first resolution
  67                 self.extOnly.toggled.connect(self.intResolutionsBox.setDisabled) # disable the box if there's just one screen in use
  68                 intRow = makeLayout(QtGui.QHBoxLayout(), [intResLabel, self.intResolutionsBox])
  69                 resBox.setLayout(makeLayout(QtGui.QVBoxLayout(), [extRow, intRow]))
  70
  71                 # last row: buttons
  72                 buttons = QtGui.QDialogButtonBox(QtGui.QDialogButtonBox.Ok | QtGui.QDialogButtonBox.Cancel, QtCore.Qt.Horizontal, self)
  73                 buttons.accepted.connect(self.accept)
  74                 buttons.rejected.connect(self.reject)
  75
  76                 # add them all to the window
  77                 self.setLayout(makeLayout(QtGui.QVBoxLayout(), [posBox, primBox, resBox, buttons]))
  78
  79         def run(self):
  80                 self.exec_()
  81                 if not self.result(): return None
  82                 return ScreenSetup(self.getRelativeScreenPosition(),
  83                         self.intResolutions[self.intResolutionsBox.currentIndex()],
  84                         self.extResolutions[self.extResolutionsBox.currentIndex()],
  85                         self.primExt.isChecked())
  86
  87         def getRelativeScreenPosition(self):
  88                 if self.posLeft.isChecked():
  89                         return RelativeScreenPosition.LEFT
  90                 elif self.posRight.isChecked():
  91                         return RelativeScreenPosition.RIGHT
  92                 else:
  93                         return RelativeScreenPosition.EXTERNAL_ONLY