131 lines
4.4 KiB
Python
131 lines
4.4 KiB
Python
# Copyright (C) 2006-2007 Red Hat, Inc.
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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 os
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import gobject
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import gtk
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import re
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from sugar.graphics.style import Color
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class Icon(gtk.Image):
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__gtype_name__ = 'SugarIcon'
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__gproperties__ = {
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'xo-color' : (object, None, None,
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gobject.PARAM_WRITABLE),
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'fill-color' : (object, None, None,
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gobject.PARAM_READWRITE),
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'stroke-color' : (object, None, None,
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gobject.PARAM_READWRITE)
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}
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def __init__(self, name, size=gtk.ICON_SIZE_LARGE_TOOLBAR, **kwargs):
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self._fill_color = None
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self._stroke_color = None
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self._icon_name = name
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self._size = size
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self._theme = gtk.icon_theme_get_default()
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gobject.GObject.__init__(self, **kwargs)
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# If we have a non-styled-icon
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if not self._fill_color and not self._stroke_color:
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self._update_normal_icon()
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def _get_pixbuf(self, data, width, height):
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loader = gtk.gdk.PixbufLoader('svg')
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loader.set_size(width, height)
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loader.write(data, len(data))
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loader.close()
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return loader.get_pixbuf()
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def _read_icon_data(self, icon_name):
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filename = self._get_real_name(icon_name)
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icon_file = open(filename, 'r')
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data = icon_file.read()
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icon_file.close()
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return data
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def _update_normal_icon(self):
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icon_theme = gtk.icon_theme_get_for_screen(self.get_screen())
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icon_set = gtk.IconSet()
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if icon_theme.has_icon(self._icon_name):
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source = gtk.IconSource()
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source.set_icon_name(self._icon_name)
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icon_set.add_source(source)
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inactive_name = self._icon_name + '-inactive'
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if icon_theme.has_icon(inactive_name):
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source = gtk.IconSource()
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source.set_icon_name(inactive_name)
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source.set_state(gtk.STATE_INSENSITIVE)
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icon_set.add_source(source)
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self.set_from_icon_set(icon_set, self._size)
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def _update_icon(self):
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if not self._fill_color and not self._stroke_color:
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self._update_normal_icon()
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return
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if not self._data:
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data = self._read_icon_data(self._icon_name)
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else:
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data = self._data
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if self._fill_color:
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entity = '<!ENTITY fill_color "%s">' % self._fill_color
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data = re.sub('<!ENTITY fill_color .*>', entity, data)
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if self._stroke_color:
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entity = '<!ENTITY stroke_color "%s">' % self._stroke_color
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data = re.sub('<!ENTITY stroke_color .*>', entity, data)
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self._data = data
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# Redraw pixbuf
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[w, h] = gtk.icon_size_lookup(self._size)
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pixbuf = self._get_pixbuf(self._data, w, h)
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self.set_from_pixbuf(pixbuf)
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def _get_real_name(self, name):
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info = self._theme.lookup_icon(name, self._size, 0)
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if not info:
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raise ValueError("Icon '" + name + "' not found.")
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fname = info.get_filename()
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del info
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return fname
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def do_set_property(self, pspec, value):
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if pspec.name == 'xo-color':
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self.props.fill_color = value.get_fill_color()
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self.props.stroke_color = value.get_stroke_color()
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elif pspec.name == 'fill-color':
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self._fill_color = value
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self._update_icon()
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elif pspec.name == 'stroke-color':
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self._stroke_color = value
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self._update_icon()
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def do_get_property(self, pspec):
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if pspec.name == 'fill-color':
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return self._fill_color
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elif pspec.name == 'stroke-color':
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return self._stroke_color
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