widget.py 文件源码

def update(self, *args):
        """
        Perform any updates on the Widget if needed;
        basic implementation of focus, active-state and border-rendering;
        used for interaction in more advanced, derivated Widget-classes

        parameters:     tuple arguments for the update (first argument should be an instance pygame.event.Event)
        return values:  -
        """
        if self.isActive() and len(args) > 0:
            event = args[0]
            if event.type == pygame.MOUSEBUTTONDOWN:
                self.setFocused(self.rect.collidepoint(event.pos))
        if self.isDirty():
            self.rect   = self._border.getBounds(self._bounds)
            self.image  = self._border.getBorderedImage(self._getAppearance(*args))
            if not self.isActive():
                inactive = self.image.copy()
                inactive.fill(disabeledOverlay)
                self.image.blit(inactive, (0, 0))