34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import locale
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from gi.repository import GObject
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from .cellrenderertext import CellRendererText
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class CellRendererInteger(CellRendererText):
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def on_editing_started(self, editable, path):
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super().on_editing_started(editable, path)
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editable.set_alignment(1.0)
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editable.connect('insert_text', self.sig_insert_text)
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def _can_insert_text(self, entry, new_text, position):
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value = entry.get_text()
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new_value = value[:position] + new_text + value[position:]
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if new_value != '-':
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try:
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locale.atoi(new_value)
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except ValueError:
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return False
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return True
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def sig_insert_text(self, entry, new_text, new_text_length, position):
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position = entry.get_position()
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if not self._can_insert_text(entry, new_text, position):
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entry.stop_emission_by_name('insert-text')
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GObject.type_register(CellRendererInteger)
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