def open_menu(self, menu): # always work on a copy menu = menu[:] if (menu): menu.append(MenuItem("/__separator")) menu += self.__DISPLAY_MENU mainmenu = gtk.Menu() tree = {} for entry in menu: if (not entry.label): item = gtk.SeparatorMenuItem() elif (entry.icon): if (gtk.stock_lookup(entry.icon)): item = gtk.ImageMenuItem(entry.icon) if (entry.label): item.get_children()[0].set_text_with_mnemonic(entry.label) else: item = gtk.ImageMenuItem(entry.label) try: img = Tiling() data = vfs.read_entire_file(self.get_full_path(entry.icon)) img.set_from_data(data) img.render(16, 16, 1, 1) img.show() item.set_image(img) except: import traceback; traceback.print_exc() else: item = gtk.MenuItem(entry.label) if (entry.callback): item.connect("activate", lambda src, cb, args: cb(*args), entry.callback, entry.args) item.show() if (not entry.active): item.set_sensitive(False) menupath = "/".join(entry.path.split("/")[:-1]) if (menupath): parentitem = tree.get(menupath) if (not parentitem.get_submenu()): m = gtk.Menu() parentitem.set_submenu(m) else: m = parentitem.get_submenu() else: m = mainmenu m.append(item) tree["/".join(entry.path.split("/"))] = item mainmenu.popup(None, None, None, 0, 0)
class TargetLabel(DisplayTarget): # regular expression for parsing font description strings __RE_FONT = re.compile("(?P<name>.+?)" "(?P<size>[0-9\.]+)" "(?P<unit>[a-z%]+)?$") def utf8_to_utf8(value): if (isinstance(value, unicode)): try: value = value.encode("UTF-8", "replace") except ValueError: log("Unicode -> UTF-8 convertion failed !!!") raise elif (not isinstance(value, str)): # int, float, long, list, tuple, instance value = str(value) return value def charmap_to_utf8(value): if (isinstance(value, str)): try: value = unicode(value, CHARMAP, "ignore") except LookupError: # may be it's already UTF-8 ? value = unicode(value, "UTF-8", "replace") if (isinstance(value, unicode)): try: value = value.encode("UTF-8", "replace") except ValueError: log("Unicode -> UTF-8 convertion failed !!!") raise else: # int, float, long, list, tuple, instance value = str(value) return value # # Converts the given string to UTF-8 format. # if (CHARMAP == 'UTF-8'): __utf8ify = staticmethod(utf8_to_utf8) else: __utf8ify = staticmethod(charmap_to_utf8) def __init__(self, name, parent): self.__old_value = "" self.__font_description = None self.__wrap_at = -1 self.__alignment = pango.ALIGN_LEFT self.__justify = True self.__size = (0, 0) DisplayTarget.__init__(self, name, parent) self.__widget = Tiling() self.__pango_context = self.__widget.get_pango_context() self.__pango_context.set_base_dir(pango.DIRECTION_LTR) self.__pango_layout = pango.Layout(self.__pango_context) self.__color = (0, 0, 0, 255) self.__font_description = self.__pango_context.get_font_description() self.__widget.show() # i guess a label has to accept everything printable for its value # these days self._register_property("value", TYPE_ANY, self._setp_value, self._getp) self._register_property("color", TYPE_STRING, self._setp_color, self._getp) self._register_property("font", TYPE_STRING, self._setp_font, self._getp) self._register_property("wrap-at", TYPE_UNIT, self._setp_wrap_at, self._getp) self._register_property("alignment", TYPE_STRING, self._setp_alignment, self._getp) self._register_property("justify", TYPE_BOOL, self._setp_justify, self._getp) self._setp("value", "") self._setp("color", "black") self.set_prop("font", "Sans 8") self.set_prop("wrap-at", Unit.Unit(0, Unit.UNIT_PX)) self.set_prop("alignment", "left") self.set_prop("justify", True) # watch the widget for geometry changes; we need this for percentual # font sizes self.add_observer(self.__on_observe_size) def get_widget(self): return self.__widget def __on_observe_size(self, src, cmd, *args): x, y, w, h = src.get_geometry() if (cmd == src.OBS_GEOMETRY): self.__size = (w.as_px(), h.as_px()) self.__set_justify(self.get_prop("justify")) self.__set_alignment(self.get_prop("alignment")) self.__set_wrap(self.get_prop("wrap-at")) self.__set_font(self.get_prop("font")) self.__set_value(self.get_prop("value")) # # Renders the given text. # def __render_text(self, layout): width, height = layout.get_pixel_size() # render font pmap = gtk.gdk.Pixmap(gtk.gdk.get_default_root_window(), width, height * 2) gc = pmap.new_gc() gc.set_foreground(self.__widget.get_colormap().alloc_color("black")) pmap.draw_rectangle(gc, True, 0, 0, width, height) gc.set_foreground(self.__widget.get_colormap().alloc_color("white")) pmap.draw_rectangle(gc, True, 0, height, width, height) r, g, b, a = self.__color col = "#" + ("0" + hex(r)[2:])[-2:] + \ ("0" + hex(g)[2:])[-2:] + \ ("0" + hex(b)[2:])[-2:] gc.set_foreground( gtk.gdk.get_default_root_window().get_colormap().alloc_color(col)) if (self.__alignment == pango.ALIGN_RIGHT): pmap.draw_layout(gc, width, 0, layout) pmap.draw_layout(gc, width, height, layout) elif (self.__alignment == pango.ALIGN_CENTER): pmap.draw_layout(gc, int(width / 2.0), 0, layout) pmap.draw_layout(gc, int(width / 2.0), height, layout) else: pmap.draw_layout(gc, 0, 0, layout) pmap.draw_layout(gc, 0, height, layout) # pmap.draw_layout(gc, 0, 0, layout) # pmap.draw_layout(gc, 0, height, layout) # then copy to image self.__widget.set_from_drawable(pmap, True) width, height = self.__size if (width and height): self.__widget.render(width, height, a / 255.0, 1) def __make_label(self): value = self.__old_value self.__pango_layout.set_markup(value) self.__pango_layout.set_font_description(self.__font_description) self.__pango_layout.set_alignment(self.__alignment) self.__pango_layout.set_justify(self.__justify) self.__pango_layout.set_width(self.__wrap_at * pango.SCALE) width, height = self.__pango_layout.get_pixel_size() if (width and height): self.__render_text(self.__pango_layout) self.__widget.show() else: self.__widget.hide() self.set_size(Unit.Unit(width, Unit.UNIT_PX), Unit.Unit(height, Unit.UNIT_PX)) def __set_value(self, value): value = self.__utf8ify(value) self.__old_value = value self.__make_label() def __set_font(self, font): m = TargetLabel.__RE_FONT.match(font) if (m): name = m.group("name") unit = m.group("unit") or Unit.UNIT_PT # pt is default for fonts size = m.group("size") if (size): size = float(size) if (unit == Unit.UNIT_PERCENT): height = self._get_parent().get_geometry()[3] # don't allow 0 pixels height size = max(1, height.as_pt() * (size / 100.0)) unit = Unit.UNIT_PT u = Unit.Unit(size, unit) size = u.as_pt() font = "%s %f" % (name, size) self.__font_description = pango.FontDescription(font) self.__pango_context.set_font_description(self.__font_description) #self.__widget.set_size_request(-1, -1) def __set_color(self, color): self.__color = utils.parse_color(color) def __set_wrap(self, value): width = self._get_parent().get_geometry()[2] if (width > Unit.ZERO): value.set_100_percent(width.as_px()) size = value.as_px() if (size == 0): self.__wrap_at = -1 else: self.__wrap_at = size def __set_alignment(self, value): if (value == "right"): self.__alignment = pango.ALIGN_RIGHT elif (value == "center"): self.__alignment = pango.ALIGN_CENTER else: self.__alignment = pango.ALIGN_LEFT def __set_justify(self, value): self.__justify = value # # "value" property. # def _setp_value(self, key, value): if (value != self.__old_value): self.__set_value(value) self._setp(key, value) self.__make_label() # # "font" property. # def _setp_font(self, key, value): if (value != self.get_prop("font")): self.__set_font(value) self._setp(key, value) self.__make_label() #self.__set_value(self.get_prop("value")) # # "color" property. # def _setp_color(self, key, value): self.__set_color(value) self._setp(key, value) self.__make_label() # # "wrap-at" property. # def _setp_wrap_at(self, key, value): self.__set_wrap(value) self._setp(key, value) self.__make_label() # # "alignment" property. # def _setp_alignment(self, key, value): self.__set_alignment(value) self._setp(key, value) self.__make_label() # # "justify" property. # def _setp_justify(self, key, value): self.__set_justify(value) self._setp(key, value) self.__make_label()