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108 lines
3.7 KiB
Python
108 lines
3.7 KiB
Python
# Copyright (C) 2007, One Laptop Per Child
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import logging
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from gi.repository import GObject
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from gi.repository import Gtk
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from gi.repository import Gdk
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from gi.repository import GdkPixbuf
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from sugar3.graphics import style
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from sugar3.graphics.icon import _SVGLoader
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ICON_ENTRY_PRIMARY = Gtk.EntryIconPosition.PRIMARY
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ICON_ENTRY_SECONDARY = Gtk.EntryIconPosition.SECONDARY
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class IconEntry(Gtk.Entry):
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def __init__(self):
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GObject.GObject.__init__(self)
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self._clear_icon = None
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self._clear_shown = False
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self.connect('key_press_event', self._keypress_event_cb)
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def set_icon_from_name(self, position, name):
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icon_theme = Gtk.IconTheme.get_default()
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icon_info = icon_theme.lookup_icon(name,
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Gtk.IconSize.SMALL_TOOLBAR,
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0)
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if not icon_info:
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logging.warning('IconEntry set_icon_from_name: icon \'%s\' not '
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'found in the theme.', name)
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return
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if icon_info.get_filename().endswith('.svg'):
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loader = _SVGLoader()
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entities = {'fill_color': style.COLOR_TOOLBAR_GREY.get_svg(),
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'stroke_color': style.COLOR_TOOLBAR_GREY.get_svg()}
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handle = loader.load(icon_info.get_filename(), entities, None)
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pixbuf = handle.get_pixbuf()
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else:
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pixbuf = GdkPixbuf.Pixbuf.new_from_file(icon_info.get_filename())
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del icon_info
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self.set_icon(position, pixbuf)
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def set_icon(self, position, pixbuf):
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if not isinstance(pixbuf, GdkPixbuf.Pixbuf):
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raise ValueError('Argument must be a pixbuf, not %r.' % pixbuf)
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self.set_icon_from_pixbuf(position, pixbuf)
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def remove_icon(self, position):
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self.set_icon_from_pixbuf(position, None)
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def add_clear_button(self):
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if self.props.text != "":
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self.show_clear_button()
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else:
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self.hide_clear_button()
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self.connect('icon-press', self._icon_pressed_cb)
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self.connect('changed', self._changed_cb)
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def show_clear_button(self):
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if not self._clear_shown:
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self.set_icon_from_name(ICON_ENTRY_SECONDARY,
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'entry-cancel')
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self._clear_shown = True
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def hide_clear_button(self):
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if self._clear_shown:
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self.remove_icon(ICON_ENTRY_SECONDARY)
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self._clear_shown = False
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def _keypress_event_cb(self, widget, event):
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keyval = Gdk.keyval_name(event.keyval)
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if keyval == 'Escape':
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self.props.text = ''
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return True
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return False
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def _icon_pressed_cb(self, entru, icon_pos, button):
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if icon_pos == ICON_ENTRY_SECONDARY:
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self.set_text('')
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self.hide_clear_button()
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def _changed_cb(self, icon_entry):
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if not self.props.text:
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self.hide_clear_button()
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else:
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self.show_clear_button()
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