def __init__(self, *args, **kwargs):
# set a click handler, if we get one
if 'click' in kwargs:
self.click = kwargs['click']
# text label
# TODO: add more options?
self.text = text.Text(kwargs.get('label',''),
color=kwargs.get('labelColor',Game.color('black')),
)
# graphics
self.graphic = kwargs.get('graphic',None)
if isinstance(self.graphic, basestring):
self.graphic = Image().load(self.graphic)
# background
self.bgColor = kwargs.get('bgColor', 'gray70')
if isinstance(self.bgColor, basestring):
self.bgColor = Game.color(self.bgColor)
# border
self.border = kwargs.get('border',8)
# border color
self.borderColor = kwargs.get('borderColor', None)
# if we don't get a size, figure one out
# TODO: if we get a graphic and text, make it the bigger of the two
if 'size' not in kwargs:
if self.graphic is not None:
kwargs['size'] = self.graphic.size
elif self.text is not None:
kwargs['size'] = self.text.size
else:
kwargs['size'] = (0,0)
kwargs['size'] += (self.border,self.border)
super(Button, self).__init__(*args, **kwargs)
self.pixels = Game.Surface((self.width,self.height),Game.Constants.SRCALPHA)
self.pixels.fill(self.bgColor)
self._drawBorder()
def _render_text(self):
"""This is a helper method to render text to a surface with wrapping."""
if self._autowidth:
# "autowidth" means one line, no wrapping, and the left edge
# stays in the same place
textlines = [self.text]
textheight = self.font.get_linesize()
oldleft = self.left
self.width = self.font.size(self.text)[0]
self.x = oldleft + self.width / 2.
else:
textlines = self._wrap(self.text)
textheight = len(textlines) * self.font.get_linesize()
textwidth = self.width
self.height = textheight
# fix in case we're drawing black text
if self.background is None and self.color == Game.rgb(0, 0, 0):
ALPHA = Game.Constants.SRCALPHA
else:
ALPHA = 0
surf = Game.Surface((textwidth, textheight), ALPHA)
for lineno, line in enumerate(textlines):
if self.background is not None:
r = self.font.render(line, self.antialias, self.color,
self.background)
else:
r = self.font.render(line, self.antialias, self.color)
surf.blit(r, (0, lineno * self.font.get_linesize()))
self.pixels = surf
if self.background is None:
# per-pixel alphas override colorkeys, so this line won't do anything
# if the text is black
self.pixels.set_colorkey((0, 0, 0), Game.Constants.RLEACCEL)
self.redraw()
