diff options
Diffstat (limited to 'sugar/graphics/canvasicon.py')
| -rw-r--r-- | sugar/graphics/canvasicon.py | 240 |
1 files changed, 120 insertions, 120 deletions
diff --git a/sugar/graphics/canvasicon.py b/sugar/graphics/canvasicon.py index da3d8ca..06aff7b 100644 --- a/sugar/graphics/canvasicon.py +++ b/sugar/graphics/canvasicon.py @@ -26,133 +26,133 @@ import cairo from sugar.graphics.iconcolor import IconColor class _IconCache: - def __init__(self): - self._icons = {} - self._theme = gtk.icon_theme_get_default() + def __init__(self): + self._icons = {} + self._theme = gtk.icon_theme_get_default() - def _read_icon(self, filename, color): - icon_file = open(filename, 'r') + def _read_icon(self, filename, color): + icon_file = open(filename, 'r') - if color == None: - return rsvg.Handle(file=filename) - else: - data = icon_file.read() - icon_file.close() + if color == None: + return rsvg.Handle(file=filename) + else: + data = icon_file.read() + icon_file.close() - fill = color.get_fill_color() - stroke = color.get_stroke_color() - - entity = '<!ENTITY fill_color "%s">' % fill - data = re.sub('<!ENTITY fill_color .*>', entity, data) + fill = color.get_fill_color() + stroke = color.get_stroke_color() + + entity = '<!ENTITY fill_color "%s">' % fill + data = re.sub('<!ENTITY fill_color .*>', entity, data) - entity = '<!ENTITY stroke_color "%s">' % stroke - data = re.sub('<!ENTITY stroke_color .*>', entity, data) + entity = '<!ENTITY stroke_color "%s">' % stroke + data = re.sub('<!ENTITY stroke_color .*>', entity, data) - return rsvg.Handle(data=data) + return rsvg.Handle(data=data) - def get_handle(self, name, color, size): - info = self._theme.lookup_icon(name, int(size), 0) + def get_handle(self, name, color, size): + info = self._theme.lookup_icon(name, int(size), 0) - if color: - key = (info.get_filename(), color.to_string()) - else: - key = info.get_filename() + if color: + key = (info.get_filename(), color.to_string()) + else: + key = info.get_filename() - if self._icons.has_key(key): - icon = self._icons[key] - else: - icon = self._read_icon(info.get_filename(), color) - self._icons[key] = icon - return icon + if self._icons.has_key(key): + icon = self._icons[key] + else: + icon = self._read_icon(info.get_filename(), color) + self._icons[key] = icon + return icon class CanvasIcon(hippo.CanvasBox, hippo.CanvasItem): - __gtype_name__ = 'CanvasIcon' - - __gproperties__ = { - 'icon-name': (str, None, None, None, - gobject.PARAM_READWRITE), - 'color' : (object, None, None, - gobject.PARAM_READWRITE), - 'size' : (int, None, None, - 0, 1024, 24, - gobject.PARAM_READWRITE) - } - - _cache = _IconCache() - - def __init__(self, **kwargs): - self._size = 24 - self._color = None - self._icon_name = None - - hippo.CanvasBox.__init__(self, **kwargs) - - self._buffer = None - - self.connect('button-press-event', self._button_press_event_cb) - - def do_set_property(self, pspec, value): - if pspec.name == 'icon-name': - self._icon_name = value - self._buffer = None - self.emit_paint_needed(0, 0, -1, -1) - elif pspec.name == 'color': - self._buffer = None - self._color = value - self.emit_paint_needed(0, 0, -1, -1) - elif pspec.name == 'size': - self._buffer = None - self._size = value - self.emit_request_changed() - - def do_get_property(self, pspec): - if pspec.name == 'size': - return self._size - elif pspec.name == 'icon-name': - return self._icon_name - elif pspec.name == 'color': - return self._color - - def _get_buffer(self, cr, handle, size): - if self._buffer == None: - target = cr.get_target() - surface = target.create_similar(cairo.CONTENT_COLOR_ALPHA, - int(size) + 1, int(size) + 1) - - dimensions = handle.get_dimension_data() - scale = float(size) / float(dimensions[0]) - - ctx = cairo.Context(surface) - ctx.scale(scale, scale) - handle.render_cairo(ctx) - del ctx - - self._buffer = surface - self._buffer_scale = scale - - return self._buffer - - def do_paint_below_children(self, cr, damaged_box): - icon_name = self._icon_name - if icon_name == None: - icon_name = 'stock-missing' - - handle = CanvasIcon._cache.get_handle( - icon_name, self._color, self._size) - buf = self._get_buffer(cr, handle, self._size) - - [width, height] = self.get_allocation() - x = (width - self._size) / 2 - y = (height - self._size) / 2 - - cr.set_source_surface(buf, x, y) - cr.paint() - - def do_get_width_request(self): - return self._size - - def do_get_height_request(self, for_width): - return self._size - - def _button_press_event_cb(self, item, event): - item.emit_activated() + __gtype_name__ = 'CanvasIcon' + + __gproperties__ = { + 'icon-name': (str, None, None, None, + gobject.PARAM_READWRITE), + 'color' : (object, None, None, + gobject.PARAM_READWRITE), + 'size' : (int, None, None, + 0, 1024, 24, + gobject.PARAM_READWRITE) + } + + _cache = _IconCache() + + def __init__(self, **kwargs): + self._size = 24 + self._color = None + self._icon_name = None + + hippo.CanvasBox.__init__(self, **kwargs) + + self._buffer = None + + self.connect('button-press-event', self._button_press_event_cb) + + def do_set_property(self, pspec, value): + if pspec.name == 'icon-name': + self._icon_name = value + self._buffer = None + self.emit_paint_needed(0, 0, -1, -1) + elif pspec.name == 'color': + self._buffer = None + self._color = value + self.emit_paint_needed(0, 0, -1, -1) + elif pspec.name == 'size': + self._buffer = None + self._size = value + self.emit_request_changed() + + def do_get_property(self, pspec): + if pspec.name == 'size': + return self._size + elif pspec.name == 'icon-name': + return self._icon_name + elif pspec.name == 'color': + return self._color + + def _get_buffer(self, cr, handle, size): + if self._buffer == None: + target = cr.get_target() + surface = target.create_similar(cairo.CONTENT_COLOR_ALPHA, + int(size) + 1, int(size) + 1) + + dimensions = handle.get_dimension_data() + scale = float(size) / float(dimensions[0]) + + ctx = cairo.Context(surface) + ctx.scale(scale, scale) + handle.render_cairo(ctx) + del ctx + + self._buffer = surface + self._buffer_scale = scale + + return self._buffer + + def do_paint_below_children(self, cr, damaged_box): + icon_name = self._icon_name + if icon_name == None: + icon_name = 'stock-missing' + + handle = CanvasIcon._cache.get_handle( + icon_name, self._color, self._size) + buf = self._get_buffer(cr, handle, self._size) + + [width, height] = self.get_allocation() + x = (width - self._size) / 2 + y = (height - self._size) / 2 + + cr.set_source_surface(buf, x, y) + cr.paint() + + def do_get_width_request(self): + return self._size + + def do_get_height_request(self, for_width): + return self._size + + def _button_press_event_cb(self, item, event): + item.emit_activated() |