source: src/mlx/gui/common.py@ 151:a2584357ff6c

Last change on this file since 151:a2584357ff6c was 151:a2584357ff6c, checked in by István Váradi <ivaradi@…>, 12 years ago

Added support for saving and loading PIREPs
File size: 6.0 KB
Line 
1# Common things for the GUI
2
3import mlx.const as _const
4
5import os
6
7appIndicator = False
8
9if os.name=="nt" or "FORCE_PYGTK" in os.environ:
10 print "Using PyGTK"
11 pygobject = False
12 import pygtk
13 import gtk.gdk as gdk
14 import gtk
15 import gobject
16 import pango
17 try:
18 import appindicator
19 appIndicator = True
20 except Exception, e:
21 pass
22
23 MESSAGETYPE_ERROR = gtk.MESSAGE_ERROR
24 MESSAGETYPE_QUESTION = gtk.MESSAGE_QUESTION
25 MESSAGETYPE_INFO = gtk.MESSAGE_INFO
26 RESPONSETYPE_OK = gtk.RESPONSE_OK
27 RESPONSETYPE_YES = gtk.RESPONSE_YES
28 RESPONSETYPE_NO = gtk.RESPONSE_NO
29 RESPONSETYPE_ACCEPT = gtk.RESPONSE_ACCEPT
30 RESPONSETYPE_REJECT = gtk.RESPONSE_REJECT
31 RESPONSETYPE_CANCEL = gtk.RESPONSE_CANCEL
32 ACCEL_VISIBLE = gtk.ACCEL_VISIBLE
33 CONTROL_MASK = gdk.CONTROL_MASK
34 DIALOG_MODAL = gtk.DIALOG_MODAL
35 WRAP_WORD = gtk.WRAP_WORD
36 JUSTIFY_CENTER = gtk.JUSTIFY_CENTER
37
38 CONTROL_MASK = gdk.CONTROL_MASK
39 SHIFT_MASK = gdk.SHIFT_MASK
40 BUTTON1_MASK = gdk.BUTTON1_MASK
41
42 SCROLL_UP = gdk.SCROLL_UP
43 SCROLL_DOWN = gdk.SCROLL_DOWN
44
45 SPIN_USER_DEFINED = gtk.SPIN_USER_DEFINED
46
47 FILE_CHOOSER_ACTION_SELECT_FOLDER = gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER
48 FILE_CHOOSER_ACTION_OPEN = gtk.FILE_CHOOSER_ACTION_OPEN
49 FILE_CHOOSER_ACTION_SAVE = gtk.FILE_CHOOSER_ACTION_SAVE
50
51 def text2unicode(text):
52 """Convert the given text, returned by a Gtk widget, to Unicode."""
53 return unicode(text)
54else:
55 print "Using PyGObject"
56 pygobject = True
57 from gi.repository import Gdk as gdk
58 from gi.repository import Gtk as gtk
59 from gi.repository import GObject as gobject
60 from gi.repository import AppIndicator3 as appindicator
61 from gi.repository import Pango as pango
62 appIndicator = True
63
64 MESSAGETYPE_ERROR = gtk.MessageType.ERROR
65 MESSAGETYPE_QUESTION = gtk.MessageType.QUESTION
66 MESSAGETYPE_INFO = gtk.MessageType.INFO
67 RESPONSETYPE_OK = gtk.ResponseType.OK
68 RESPONSETYPE_YES = gtk.ResponseType.YES
69 RESPONSETYPE_NO = gtk.ResponseType.NO
70 RESPONSETYPE_ACCEPT = gtk.ResponseType.ACCEPT
71 RESPONSETYPE_REJECT = gtk.ResponseType.REJECT
72 RESPONSETYPE_CANCEL = gtk.ResponseType.CANCEL
73 ACCEL_VISIBLE = gtk.AccelFlags.VISIBLE
74 CONTROL_MASK = gdk.ModifierType.CONTROL_MASK
75 DIALOG_MODAL = gtk.DialogFlags.MODAL
76 WRAP_WORD = gtk.WrapMode.WORD
77 JUSTIFY_CENTER = gtk.Justification.CENTER
78
79 CONTROL_MASK = gdk.ModifierType.CONTROL_MASK
80 SHIFT_MASK = gdk.ModifierType.SHIFT_MASK
81 BUTTON1_MASK = gdk.ModifierType.BUTTON1_MASK
82
83 SCROLL_UP = gdk.ScrollDirection.UP
84 SCROLL_DOWN = gdk.ScrollDirection.DOWN
85
86 SPIN_USER_DEFINED = gtk.SpinType.USER_DEFINED
87
88 FILE_CHOOSER_ACTION_SELECT_FOLDER = gtk.FileChooserAction.SELECT_FOLDER
89 FILE_CHOOSER_ACTION_OPEN = gtk.FileChooserAction.OPEN
90 FILE_CHOOSER_ACTION_SAVE = gtk.FileChooserAction.SAVE
91
92 import codecs
93 _utf8Decoder = codecs.getdecoder("utf-8")
94
95 def text2unicode(str):
96 """Convert the given text, returned by a Gtk widget, to Unicode."""
97 return _utf8Decoder(str)[0]
98
99import cairo
100
101#------------------------------------------------------------------------------
102
103class FlightStatusHandler(object):
104 """Base class for objects that handle the flight status in some way."""
105 def __init__(self):
106 self._stage = None
107 self._rating = 100
108 self._noGoReason = None
109
110 def resetFlightStatus(self):
111 """Reset the flight status."""
112 self._stage = None
113 self._rating = 100
114 self._noGoReason = None
115 self._updateFlightStatus()
116
117 def setStage(self, stage):
118 """Set the stage of the flight."""
119 if stage!=self._stage:
120 self._stage = stage
121 self._updateFlightStatus()
122
123 def setRating(self, rating):
124 """Set the rating to the given value."""
125 if rating!=self._rating:
126 self._rating = rating
127 if self._noGoReason is None:
128 self._updateFlightStatus()
129
130 def setNoGo(self, reason):
131 """Set a No-Go condition with the given reason."""
132 if self._noGoReason is None:
133 self._noGoReason = reason
134 self._updateFlightStatus()
135
136#------------------------------------------------------------------------------
137
138class IntegerEntry(gtk.Entry):
139 """An entry that allows only either an empty value, or an integer."""
140 def __init__(self, defaultValue = None):
141 """Construct the entry."""
142 gtk.Entry.__init__(self)
143
144 self.set_alignment(1.0)
145
146 self._defaultValue = defaultValue
147 self._currentInteger = defaultValue
148 self._selfSetting = False
149 self._set_text()
150
151 self.connect("changed", self._handle_changed)
152
153 def get_int(self):
154 """Get the integer."""
155 return self._currentInteger
156
157 def set_int(self, value):
158 """Set the integer."""
159 if value!=self._currentInteger:
160 self._currentInteger = value
161 self.emit("integer-changed", self._currentInteger)
162 self._set_text()
163
164 def _handle_changed(self, widget):
165 """Handle the changed signal."""
166 if self._selfSetting:
167 return
168 text = self.get_text()
169 if text=="":
170 self.set_int(self._defaultValue)
171 else:
172 try:
173 self.set_int(int(text))
174 except:
175 self._set_text()
176
177 def _set_text(self):
178 """Set the text value from the current integer."""
179 self._selfSetting = True
180 self.set_text("" if self._currentInteger is None
181 else str(self._currentInteger))
182 self._selfSetting = False
183
184#------------------------------------------------------------------------------
185
186gobject.signal_new("integer-changed", IntegerEntry, gobject.SIGNAL_RUN_FIRST,
187 None, (object,))
188
189#------------------------------------------------------------------------------
190
191WINDOW_TITLE_BASE = "MAVA Logger X " + _const.VERSION
192
193#------------------------------------------------------------------------------
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