49512e683c
* src/AddMedia.py: unicode conversion from gtk.Entry * src/AddSpouse.py: unicode conversion from gtk.Entry * src/AddrEdit.py: unicode conversion from gtk.Entry * src/AttrEdit.py: unicode conversion from gtk.Entry * src/AutoComp.py: unicode conversion from gtk.Entry * src/ChooseParents.py: unicode conversion from gtk.Entry * src/DateEdit.py: unicode conversion from gtk.Entry * src/EditPerson.py: unicode conversion from gtk.Entry * src/EditPlace.py: unicode conversion from gtk.Entry * src/EditSource.py: unicode conversion from gtk.Entry * src/EventEdit.py: unicode conversion from gtk.Entry * src/Find.py: unicode conversion from gtk.Entry * src/GrampsCfg.py: unicode conversion from gtk.Entry * src/ImageSelect.py: unicode conversion from gtk.Entry * src/LocEdit.py: unicode conversion from gtk.Entry * src/Marriage.py: unicode conversion from gtk.Entry * src/MergeData.py: unicode conversion from gtk.Entry * src/NameEdit.py: unicode conversion from gtk.Entry * src/PeopleView.py: unicode conversion from gtk.Entry * src/Report.py: unicode conversion from gtk.Entry * src/SelectChild.py: unicode conversion from gtk.Entry * src/Sources.py: unicode conversion from gtk.Entry * src/StartupDialog.py: unicode conversion from gtk.Entry * src/StyleEditor.py: unicode conversion from gtk.Entry * src/UrlEdit.py: unicode conversion from gtk.Entry * src/Utils.py: unicode conversion from gtk.Entry * src/VersionControl.py: unicode conversion from gtk.Entry * src/Witness.py: unicode conversion from gtk.Entry svn: r2534
290 lines
9.9 KiB
Python
290 lines
9.9 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2002-2003 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Adds autocompletion to a GtkEntry box, using the passed list of
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strings as the possible completions. This work was adapted from code
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written by David Hampton.
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"""
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__author__ = "David R. Hampton, Donald N. Allingham"
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__version__ = "$Revision$"
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#-------------------------------------------------------------------------
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#
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# python modules
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#
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#-------------------------------------------------------------------------
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import string
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#-------------------------------------------------------------------------
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#
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# GNOME modules
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#
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#-------------------------------------------------------------------------
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import gtk
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_t = type(u'')
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def patch(n):
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if type(n) != _t:
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return (unicode(n).lower(),unicode(n))
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else:
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return (n.lower(),n)
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#-------------------------------------------------------------------------
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#
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# AutoCompBase
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#
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#-------------------------------------------------------------------------
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class AutoCompBase:
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def __init__(self,widget,plist,source=None):
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"""
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Creates a autocompleter for the specified GNOME/GTK widget, using the
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list of strings as the completion values. The AutoCompBase class
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should never be instantiated on its own. Instead, classes should be
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derived from it.
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widget - widget instance the completer is assocated with
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plist - List of completion strings
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source - If not None, uses the completion values of an already existing AutoCompBase instance
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"""
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if source:
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self.nlist = source.nlist
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else:
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self.nlist = []
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self.nlist = map(patch,plist)
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self.nlist.sort()
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self.nl = "xzsdkdjecsc"
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self.l = 0
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self.t = type(u' ')
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def insert_text(self,entry,new_text,new_text_len,i_dont_care):
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"""
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Sets up a delayed (0.005 sec) handler for text completion. Text
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completion cannot be handled directly in this routine because, for
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some reason, the select_region() function doesn't work when called
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from signal handlers. Go figure.
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Thanks to iain@nodata.demon.co.uk (in mail from 1999) for the idea
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to use a timer to get away from the problems with signal handlers
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and the select_region function.
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"""
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# One time setup to clear selected region when user moves on
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if (not entry.get_data("signal_set")):
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entry.set_data("signal_set",1)
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entry.connect("focus-out-event", self.lost_focus, entry)
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# Nuke the current timer if the user types fast enough
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timer = entry.get_data("timer");
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if (timer):
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gtk.timeout_remove(timer)
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# Setup a callback timer so we can operate outside of a signal handler
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timer = gtk.timeout_add(5, self.timer_callback, entry)
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entry.set_data("timer", timer);
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def lost_focus(self,entry,a,b):
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"""
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The entry box entry field lost focus. Go clear any selection. Why
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this form of a select_region() call works in a signal handler and
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the other form doesn't is a mystery.
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"""
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gtk.Editable.select_region(entry,0, 0)
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def timer_callback(self,entry):
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"""
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Perfroms the actual task of completion. This method should be
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overridden in all subclasses
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"""
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pass
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#-------------------------------------------------------------------------
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#
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# AutoCombo
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#
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#-------------------------------------------------------------------------
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class AutoCombo(AutoCompBase):
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"""
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Allows allow completion of the GtkCombo widget with the entries
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in the passed string list. This class updates the drop down window
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with the values that currently match the substring in the text box.
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"""
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def __init__(self,widget,plist,source=None):
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"""
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Creates a autocompleter for the a GtkCombo widget, using the
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list of strings as the completion values. The
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widget - GtkCombo instance the completer is assocated with
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plist - List of completion strings
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source - If not None, uses the completion values of an already existing
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AutoCompBase instance
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"""
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AutoCompBase.__init__(self,widget,plist,source)
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self.entry = widget
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widget.entry.connect("insert-text",self.insert_text)
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self.vals = [""]
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self.inb = 0
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if plist and len(plist) < 250:
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widget.set_popdown_strings(plist)
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else:
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widget.set_popdown_strings([""])
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widget.get_children()[1].hide()
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def setval(self,widget):
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"""Callback task called on the button release"""
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self.inb = 0
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text = unicode(self.entry.entry.get_text())
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if self.nl == string.lower(text):
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gtk.Editable.set_position(self.entry.entry,self.l)
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gtk.Editable.select_region(self.entry.entry,self.l,-1)
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def build_list(self,widget):
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"""Internal task that builds the popdown strings. This task is called when the
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combo button that activates the dropdown menu is pressed
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"""
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self.inb = 1
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if self.vals and len(self.vals) < 250:
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if self.vals[0] == "":
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self.entry.set_popdown_strings([unicode(self.entry.entry.get_text())])
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else:
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self.entry.set_popdown_strings(self.vals)
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else:
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self.entry.set_popdown_strings([""])
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return 1
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def timer_callback(self,entry):
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"""
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The workhorse routine of file completion. This routine grabs the
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current text of the entry box, and grubs through the list item
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looking for any case insensitive matches. This routine relies on
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public knowledge of the GtkEntry data structure, not on any private
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data.
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"""
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# Clear any timer
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timer = entry.get_data("timer");
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if timer:
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gtk.timeout_remove(timer)
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if self.inb == 1:
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return
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# Get the user's text
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typed = entry.get_text()
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if (not typed):
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return
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if type(typed) != self.t:
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typed = unicode(typed)
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typed_lc = string.lower(typed)
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if typed_lc == self.nl:
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return
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self.l = len(typed_lc)
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self.vals = []
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# Walk the GtkList in the entry box
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for nl,n in self.nlist:
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# If typed text is a substring of the label text, then fill in
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# the entry field with the full text (and correcting
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# capitalization), and then select all the characters that
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# don't match. With the user's next keystroke these will be
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# replaced if they are incorrect.
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if nl[0:self.l] == typed_lc:
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self.vals.append(n)
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if len(self.vals) > 0:
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n = self.vals[0]
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self.nl = string.lower(n)
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entry.set_text(n)
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# Select non-matching text from the end to the beginning:
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# this preserves the visibility of the portion being typed.
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ln = len(n)
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gtk.Editable.set_position(entry,ln-1)
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gtk.Editable.select_region(entry,ln,self.l)
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else:
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self.vals = [""]
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#-------------------------------------------------------------------------
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#
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# AutoEntry
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#
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#-------------------------------------------------------------------------
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class AutoEntry(AutoCompBase):
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"""
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Allows allow completion of the GtkEntry widget with the entries
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in the passed string list.
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"""
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def __init__(self,widget,plist,source=None):
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AutoCompBase.__init__(self,widget,plist,source)
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self.entry = widget
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self.entry.connect("insert-text",self.insert_text)
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def timer_callback(self,entry):
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"""
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The workhorse routine of file completion. This routine grabs the
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current text of the entry box, and grubs through the list item
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looking for any case insensitive matches. This routine relies on
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public knowledge of the GtkEntry data structure, not on any private
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data.
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"""
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# Clear any timer
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timer = entry.get_data("timer");
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if (timer):
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gtk.timeout_remove(timer)
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# Get the user's text
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typed = entry.get_text()
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if type(typed) != self.t:
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typed = unicode(typed)
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if (not typed):
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return
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typed_lc = string.lower(typed)
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if typed_lc == self.nl:
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return
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self.l = len(typed_lc)
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# Walk the GtkList in the entry box
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for nl,n in self.nlist:
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# If typed text is a substring of the label text, then fill in
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# the entry field with the full text (and correcting
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# capitalization), and then select all the characters that
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# don't match. With the user's next keystroke these will be
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# replaced if they are incorrect.
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if nl[0:self.l] == typed_lc:
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self.nl = nl
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entry.set_text(n)
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gtk.Editable.set_position(entry,self.l)
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gtk.Editable.select_region(entry,self.l, -1)
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return
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