diff options
Diffstat (limited to 'src/sugar/graphics/icon.py')
| -rw-r--r-- | src/sugar/graphics/icon.py | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/sugar/graphics/icon.py b/src/sugar/graphics/icon.py index 6e88f88..fe6cc5e 100644 --- a/src/sugar/graphics/icon.py +++ b/src/sugar/graphics/icon.py @@ -919,6 +919,143 @@ class CanvasIcon(hippo.CanvasBox, hippo.CanvasItem): palette = property(get_palette, set_palette) +class CellRendererIcon(gtk.CellRendererPixbuf): + __gtype_name__ = 'SugarCellRendererIcon' + + __gsignals__ = { + 'activate': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, [object]) + } + + def __init__(self, tree_view): + from sugar.graphics.palette import CellRendererInvoker + + self._buffer = _IconBuffer() + self._fill_color = None + self._stroke_color = None + self._prelit_fill_color = None + self._prelit_stroke_color = None + self._palette_invoker = CellRendererInvoker() + + gobject.GObject.__init__(self) + + self._palette_invoker.attach_cell_renderer(tree_view, self) + + self.connect('destroy', self.__destroy_cb) + + def __destroy_cb(self, icon): + self._palette_invoker.detach() + + def create_palette(self): + return None + + def get_palette_invoker(self): + return self._palette_invoker + + palette_invoker = gobject.property(type=object, getter=get_palette_invoker) + + def set_file_name(self, value): + if self._buffer.file_name != value: + self._buffer.file_name = value + + file_name = gobject.property(type=str, setter=set_file_name) + + def set_icon_name(self, value): + if self._buffer.icon_name != value: + self._buffer.icon_name = value + + icon_name = gobject.property(type=object, setter=set_icon_name) + + def set_xo_color(self, value): + self._stroke_color = value.get_stroke_color() + self._fill_color = value.get_fill_color() + + xo_color = gobject.property(type=object, setter=set_xo_color) + + def set_fill_color(self, value): + if self._fill_color != value: + self._fill_color = value + + fill_color = gobject.property(type=object, setter=set_fill_color) + + def set_stroke_color(self, value): + if self._stroke_color != value: + self._stroke_color = value + + stroke_color = gobject.property(type=object, setter=set_stroke_color) + + def set_prelit_fill_color(self, value): + if self._prelit_fill_color != value: + self._prelit_fill_color = value + + prelit_fill_color = gobject.property(type=object, + setter=set_prelit_fill_color) + + def set_prelit_stroke_color(self, value): + if self._prelit_stroke_color != value: + self._prelit_stroke_color = value + + prelit_stroke_color = gobject.property(type=object, + setter=set_prelit_stroke_color) + + def set_background_color(self, value): + if self._buffer.background_color != value: + self._buffer.background_color = value + + background_color = gobject.property(type=object, setter=set_background_color) + + def set_size(self, value): + if self._buffer.width != value: + self._buffer.width = value + self._buffer.height = value + + size = gobject.property(type=object, setter=set_size) + + def _is_prelit(self, tree_view): + x, y = tree_view.get_pointer() + x, y = tree_view.convert_widget_to_bin_window_coords(x, y) + pos = tree_view.get_path_at_pos(x, y) + if pos is None: + return False + + path, column, x, y = pos + + for cell_renderer in column.get_cell_renderers(): + if cell_renderer == self: + cell_x, cell_width = column.cell_get_position(cell_renderer) + if x > cell_x and x < (cell_x + cell_width): + return True + return False + + return False + + def do_render(self, window, widget, background_area, cell_area, expose_area, flags): + has_prelit_colors = None not in [self._prelit_fill_color, + self._prelit_stroke_color] + if flags & gtk.CELL_RENDERER_PRELIT and has_prelit_colors and \ + self._is_prelit(widget): + + self._buffer.fill_color = self._prelit_fill_color + self._buffer.stroke_color = self._prelit_stroke_color + else: + self._buffer.fill_color = self._fill_color + self._buffer.stroke_color = self._stroke_color + + surface = self._buffer.get_surface() + if surface is None: + self.props.pixbuf = None + else: + #FIXME: Do we really want to transform to PNG, then create a pixbuf from it? + # Maybe we should just draw with cairo. + loader = gtk.gdk.pixbuf_loader_new_with_mime_type('image/png') + surface.write_to_png(loader) + loader.close() + self.props.pixbuf = loader.get_pixbuf() + + gtk.CellRendererPixbuf.do_render(self, window, widget, background_area, cell_area, expose_area, flags) + + def do_activate(self, event, widget, path, background_area, cell_area, flags): + self.emit('activate', path) + def get_icon_state(base_name, perc, step=5): strength = round(perc / step) * step icon_theme = gtk.icon_theme_get_default() |