99 lines
2.6 KiB
Python
99 lines
2.6 KiB
Python
import re
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import gobject
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import gtk
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import goocanvas
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from sugar.util import GObjectSingletonMeta
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from sugar.canvas.IconColor import IconColor
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class IconCache(gobject.GObject):
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__metaclass__ = GObjectSingletonMeta
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def __init__(self):
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gobject.GObject.__init__(self)
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self._icons = {}
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def _create_icon(self, name, color, size):
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theme = gtk.icon_theme_get_default()
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info = theme.lookup_icon(name, size, 0)
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icon_file = open(info.get_filename(), 'r')
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data = icon_file.read()
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icon_file.close()
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if color != None:
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fill = color.get_fill_color()
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stroke = color.get_stroke_color()
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style = '.fill {fill:%s;stroke:%s;}' % (fill, fill)
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data = re.sub('\.fill \{.*\}', style, data)
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style = '.shape {stroke:%s;fill:%s;}' % (stroke, stroke)
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data = re.sub('\.shape \{.*\}', style, data)
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style = '.shape-and-fill {fill:%s; stroke:%s;}' % (fill, stroke)
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data = re.sub('\.shape-and-fill \{.*\}', style, data)
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loader = gtk.gdk.pixbuf_loader_new_with_mime_type('image/svg-xml')
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loader.set_size(size, size)
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loader.write(data)
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loader.close()
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return loader.get_pixbuf()
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def get_icon(self, name, color, size):
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key = (name, color, size)
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if self._icons.has_key(key):
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return self._icons[key]
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else:
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icon = self._create_icon(name, color, size)
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self._icons[key] = icon
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return icon
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class IconItem(goocanvas.Image, goocanvas.Item):
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__gsignals__ = {
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'clicked': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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}
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__gproperties__ = {
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'icon-name': (str, None, None, None,
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gobject.PARAM_CONSTRUCT_ONLY |
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gobject.PARAM_READWRITE),
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'color' : (object, None, None,
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gobject.PARAM_CONSTRUCT_ONLY |
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gobject.PARAM_READWRITE),
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'size' : (int, None, None,
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0, 1024, 24,
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gobject.PARAM_CONSTRUCT_ONLY |
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gobject.PARAM_READWRITE)
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}
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def __init__(self, **kwargs):
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goocanvas.Image.__init__(self, **kwargs)
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if self._color:
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cache = IconCache()
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pixbuf = cache.get_icon(self._icon_name, self._color, self._size)
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self.props.pixbuf = pixbuf
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else:
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theme = gtk.icon_theme_get_default()
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pixbuf = theme.load_icon(self._icon_name, self._size, 0)
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self.props.pixbuf = pixbuf
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def do_set_property(self, pspec, value):
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if pspec.name == 'icon-name':
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self._icon_name = value
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elif pspec.name == 'color':
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self._color = value
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elif pspec.name == 'size':
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self._size = value
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def do_create_view(self, canvas, parent_view):
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view = goocanvas.Image.do_create_view(self, canvas, parent_view)
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view.connect('button-press-event', self.__button_press_cb)
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return view
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def __button_press_cb(self, view, target, event):
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self.emit('clicked')
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