source: src/mlx/mlx.py@ 222:08d0fc465f9d

Last change on this file since 222:08d0fc465f9d was 182:dd806c3cc18d, checked in by István Váradi <ivaradi@…>, 12 years ago

If the program is started in several instances, the ones after the first one just show the window of the running instance

File size: 2.3 KB
Line 
1# The main program
2
3from config import Config
4from i18n import setLanguage
5from sound import initializeSound
6
7import os
8import sys
9
10#--------------------------------------------------------------------------------------
11
12class StdIOHandler(object):
13 """Handler for the standard I/O messages."""
14 def __init__(self, gui):
15 """Construct the handler."""
16 self._gui = gui
17
18 def write(self, text):
19 """Write the given text into the log."""
20 self._gui.writeStdIO(text)
21
22#--------------------------------------------------------------------------------------
23
24def restart(args = []):
25 """Restart the program with the given arguments."""
26 print "Restarting with args", args
27 programPath = os.path.join(os.path.dirname(sys.argv[0]),
28 "runmlx.exe" if os.name=="nt" else "runmlx.sh")
29 if os.name=="nt":
30 import win32api
31 try:
32 programPath = win32api.GetShortPathName(programPath)
33 except:
34 programPath = os.path.join(os.path.dirname(sys.argv[0]),
35 "runmlx.bat")
36 programPath = win32api.GetShortPathName(programPath)
37
38 args = [programPath] + args
39
40 os.execv(programPath, args)
41
42#--------------------------------------------------------------------------------------
43
44def main():
45 """The main operation of the program."""
46 from singleton import SingleInstance, raiseCallbackWrapper
47
48 instance = SingleInstance("mlx", raiseCallbackWrapper)
49 if not instance: return
50
51 programDirectory = os.path.dirname(sys.argv[0])
52
53 config = Config()
54 config.load()
55
56 if (len(sys.argv)<=1 or sys.argv[1]!="usedeflang") and config.setupLocale():
57 restart(["usedeflang"])
58
59 setLanguage(config.getLanguage())
60
61 from .gui.gui import GUI
62 gui = GUI(programDirectory, config)
63
64 sys.stdout = StdIOHandler(gui)
65 sys.stderr = StdIOHandler(gui)
66
67 initializeSound(os.path.join(programDirectory, "sounds"))
68
69 try:
70 gui.build(programDirectory)
71
72 gui.run()
73 finally:
74 gui.flushStdIO()
75 sys.stdout = sys.__stdout__
76 sys.stderr = sys.__stderr__
77
78 config.save()
79
80 if gui.toRestart:
81 restart()
82
83#--------------------------------------------------------------------------------------
84
85if __name__ == "__main__":
86 if instance:
87 main()
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