# kdefiledialog.py: support for native KDE file and dir dialog (using kdialog)
# $Id: kdefiledialog.py,v 1.5 2007/03/27 07:02:07 agriggio Exp $
#
# Copyright (c) 2002-2007 Alberto Griggio <agriggio@users.sourceforge.net>
# License: MIT (see license.txt)
# THIS PROGRAM COMES WITH NO WARRANTY
import wx
import signal, os, sys
import misc
__all__ = ['test_kde', 'kde_file_selector', 'kde_dir_selector']
def _check_for_kdialog():
pth = os.environ.get('PATH', os.defpath).split(os.pathsep)
for p in pth:
name = os.path.join(p, 'kdialog')
if os.access(name, os.X_OK):
return True
return False
_kdialog_ok = _check_for_kdialog()
def kde_file_selector(message, default_path="", default_filename="",
default_extension="", wildcard="*.*", flags=0,
*args, **kwds):
"""\
Pops up the standard KDE file selector box, calling kdialog. The API is
identical to that of wx.FileSelector. If kdialog can't be invoked,
reverts to the standard wx.FileSelector. Note that at the moment not all
the arguments are meaningful (for example, parent and initial position are
ignored), and multiple selections are not supported.
"""
if not _kdialog_ok:
return wx.FileSelector(message, default_path, default_filename,
default_extension, wildcard, flags,
*args, **kwds)
r, w = os.pipe()
handler = _SigChldHandler()
oldhandler = signal.signal(signal.SIGCHLD, handler)
pid = os.fork()
if pid == 0:
os.close(r)
os.dup2(w, sys.stdout.fileno())
os.close(w)
startdir = default_path
if default_filename:
if not os.path.isdir(startdir):
startdir = os.path.dirname(startdir)
startdir = os.path.join(startdir, default_filename)
if flags & wx.SAVE:
kind = '--getsavefilename'
else:
kind = '--getopenfilename'
os.execlp('kdialog', 'kdialog', kind, startdir,
_wx_to_kde_wildcard(wildcard), '--title', message)
elif pid > 0:
disabler = wx.WindowDisabler()
app = wx.GetApp()
os.close(w)
while not handler.done:
app.Dispatch()
if handler.status != 0:
os.close(r)
return ""
filename = os.fdopen(r).readline().strip()
signal.signal(signal.SIGCHLD, oldhandler or signal.SIG_DFL)
if (flags & wx.SAVE) and (flags & wx.OVERWRITE_PROMPT) and \
os.path.exists(filename):
if wx.MessageBox(_("File '%s' already exists: do you really want "
"to overwrite it?") % misc.wxstr(filename),
_("Confirm"),
style=wx.YES_NO|wx.ICON_QUESTION) == wx.NO:
return kde_file_selector(message, default_path,
default_filename, default_extension,
wildcard, flags)
return filename
else:
raise OSError, _("Fork Error")
def kde_dir_selector(message="", default_path="", *args, **kwds):
"""\
Pops up the standard KDE directory selector box, calling kdialog.
The API is identical to that of wx.DirSelector. If kdialog can't be
invoked, reverts to the standard wx.DirSelector. Note that at the moment
not all the arguments are meaningful (for example, parent and initial
position are ignored).
"""
if not _kdialog_ok:
return wx.DirSelector(message, default_path, *args, **kwds)
r, w = os.pipe()
handler = _SigChldHandler()
oldhandler = signal.signal(signal.SIGCHLD, handler)
pid = os.fork()
if pid == 0:
os.close(r)
os.dup2(w, sys.stdout.fileno())
os.close(w)
if not default_path:
default_path = os.getcwd()
os.execlp('kdialog', 'kdialog', '--getexistingdirectory', default_path,
'--title', message)
elif pid > 0:
disabler = wx.WindowDisabler()
app = wx.GetApp()
os.close(w)
while not handler.done:
app.Dispatch()
if handler.status != 0:
os.close(r)
return ""
dirname = os.fdopen(r).readline().strip()
signal.signal(signal.SIGCHLD, oldhandler or signal.SIG_DFL)
return dirname
else:
raise OSError, _("Fork Error")
def test_kde():
"""\
Checks whether KDE (actually, kdesktop) is running.
"""
return os.system('dcop kdesktop > /dev/null 2>&1') == 0
class _SigChldHandler:
def __init__(self):
self.done = False
self.status = 0
def __call__(self, signo, stackframe):
pid, self.status = os.wait()
self.done = True
# end of class _SigChldHandler
def _wx_to_kde_wildcard(wildcard):
bits = wildcard.split('|')
l = len(bits)
ret = []
for i in range(0, l, 2):
if i+1 < l:
ret.append(bits[i+1].replace(';', ' ') + '|' + bits[i])
else:
ret.append(bits[i].replace(';', ' '))
return '\n'.join(ret)
if __name__ == '__main__':
app = wx.PySimpleApp()
frame = wx.Frame(None, -1, "Prova")
b = wx.Button(frame, -1, "KDE File selector", pos=(0, 0))
b2 = wx.Button(frame, -1, "wx File selector", pos=(0, 70))
def on_click(event):
filename = kde_file_selector(
'Select file to save', '', 'prova.py',
wildcard="Python files|*.py;*.pyc|All files|*",
flags=wx.SAVE|wx.OVERWRITE_PROMPT)
if filename:
wx.MessageBox('You selected file: %s' % filename,
style=wx.OK|wx.ICON_INFORMATION)
else:
wx.MessageBox('No files selected!',
style=wx.OK|wx.ICON_EXCLAMATION)
def on_click2(event):
filename = wx.FileSelector(
'Select file to save', '', 'prova.py',
wildcard=_("Python files|*.py;*.pyc|All files|*"),
flags=wx.SAVE|wx.OVERWRITE_PROMPT)
if filename:
wx.MessageBox(_('You selected file: %s') % filename,
style=wx.OK|wx.ICON_INFORMATION)
else:
wx.MessageBox(_('No files selected!'),
style=wx.OK|wx.ICON_EXCLAMATION)
wx.EVT_BUTTON(b, -1, on_click)
wx.EVT_BUTTON(b2, -1, on_click2)
app.SetTopWindow(frame)
frame.Show()
app.MainLoop()
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