66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
# Copyright 2021 (c) Anna Schumaker.
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import re
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from gi.repository import Gtk
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from . import version
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class Regex(Gtk.Filter):
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def __init__(self):
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Gtk.Filter.__init__(self)
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self.pattern = re.compile("")
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def do_match(self, item):
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raise NotImplementedError
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def search(self, text):
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return self.pattern.search(text) != None
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def set_pattern(self, pattern):
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change = Gtk.FilterChange.DIFFERENT
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if pattern in self.pattern.pattern:
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change = Gtk.FilterChange.LESS_STRICT
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elif self.pattern.pattern in pattern:
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change = Gtk.FilterChange.MORE_STRICT
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self.pattern = re.compile(pattern, re.I)
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self.changed(change)
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class Popover(Gtk.Popover):
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def __init__(self):
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Gtk.Popover.__init__(self)
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self.set_child(Gtk.Label())
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self.set_autohide(False)
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def popup(self, text):
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self.get_child().set_text(text)
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if not version.TESTING:
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super().popup()
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class Entry(Gtk.SearchEntry):
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def __init__(self, filter):
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Gtk.SearchEntry.__init__(self)
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self.filter = filter
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self.popover = Popover()
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self.set_margin_top(5)
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self.set_margin_bottom(5)
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self.set_margin_start(5)
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self.set_margin_end(5)
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self.set_property("placeholder-text", "Type to filter")
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self.connect("search-changed", self.changed)
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self.popover.set_parent(self)
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def __del__(self):
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self.popover.unparent()
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def changed(self, entry):
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try:
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self.filter.set_pattern(self.get_text())
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self.remove_css_class("warning")
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self.popover.popdown()
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except re.error as e:
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self.add_css_class("warning")
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self.popover.popup(str(e))
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