1 # DSL - easy Display Setup for Laptops
2 # Copyright (C) 2012-2015 Ralf Jung <post@ralfj.de>
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.
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.
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.
18 from screen import RelativeScreenPosition, ScreenSetup
19 from PyQt4 import QtCore, QtGui, uic
22 RelativeScreenPosition.LEFT: "left of",
23 RelativeScreenPosition.RIGHT: "right of",
24 RelativeScreenPosition.ABOVE: "above",
25 RelativeScreenPosition.BELOW: "below",
26 RelativeScreenPosition.MIRROR: "same as",
30 class PositionSelection(QtGui.QDialog):
31 def __init__(self, situation):
33 super(PositionSelection, self).__init__()
34 self._situation = situation
35 uifile = os.path.join(os.path.dirname(__file__), 'qt_dialogue.ui')
36 uic.loadUi(uifile, self)
38 # fill relative position box
39 for pos in RelativeScreenPosition:
40 self.relPos.addItem(relPosNames[pos], pos)
42 # keep resolutions in sync when in mirror mode
43 def syncIfMirror(source, target):
46 target.setCurrentIndex(idx)
47 source.currentIndexChanged.connect(_slot)
48 syncIfMirror(self.intRes, self.extRes)
49 syncIfMirror(self.extRes, self.intRes)
51 # connect the update function, and make sure we are in a correct state
52 self.intEnabled.toggled.connect(self.updateEnabledControls)
53 self.extEnabled.toggled.connect(self.updateEnabledControls)
54 self.relPos.currentIndexChanged.connect(self.updateEnabledControls)
55 self.updateEnabledControls()
57 def getRelativeScreenPosition(self):
58 idx = self.relPos.currentIndex()
59 return self.relPos.itemData(idx)
61 def fillResolutionBox(self, box, resolutions):
62 # if the count did not change, update in-place (this avoids flicker)
63 if box.count() == len(resolutions):
64 for idx, res in enumerate(resolutions):
65 box.setItemText(idx, str(res))
66 box.setItemData(idx, res)
69 while box.count() > 0:
72 for res in resolutions:
73 box.addItem(str(res), res)
75 def updateEnabledControls(self):
76 intEnabled = self.intEnabled.isChecked()
77 extEnabled = self.extEnabled.isChecked()
78 bothEnabled = intEnabled and extEnabled
79 self.isMirror = bothEnabled and self.getRelativeScreenPosition() == RelativeScreenPosition.MIRROR # only if both are enabled, we can really mirror
80 # configure screen controls
81 self.intRes.setEnabled(intEnabled)
82 self.intPrimary.setEnabled(intEnabled and not self.isMirror)
83 self.extRes.setEnabled(extEnabled)
84 self.extPrimary.setEnabled(extEnabled and not self.isMirror)
85 if not intEnabled and extEnabled:
86 self.extPrimary.setChecked(True)
87 elif not extEnabled and intEnabled:
88 self.intPrimary.setChecked(True)
89 # which resolutions do we offer?
91 commonRes = self._situation.commonResolutions()
92 self.fillResolutionBox(self.intRes, commonRes)
93 self.fillResolutionBox(self.extRes, commonRes)
94 self.intRes.setCurrentIndex(self.extRes.currentIndex())
96 self.fillResolutionBox(self.intRes, self._situation.internalResolutions())
97 self.fillResolutionBox(self.extRes, self._situation.externalResolutions())
98 # configure position control
99 self.posGroup.setEnabled(bothEnabled)
100 self.posLabel1.setEnabled(bothEnabled)
101 self.posLabel2.setEnabled(bothEnabled)
102 self.relPos.setEnabled(bothEnabled)
103 # avoid having no screen
104 self.buttonBox.button(QtGui.QDialogButtonBox.Ok).setEnabled(intEnabled or extEnabled)
108 if not self.result(): return None
109 intRes = self.intRes.itemData(self.intRes.currentIndex()) if self.intEnabled.isChecked() else None
110 extRes = self.extRes.itemData(self.extRes.currentIndex()) if self.extEnabled.isChecked() else None
111 return ScreenSetup(intRes, extRes, self.getRelativeScreenPosition(), self.extPrimary.isChecked())