+ def draw(self, surface):
+ surface.blit(self.surface, self.pos)
+
+
+class TextBoxWidget(TextWidget):
+ def __init__(self, *args, **kwargs):
+ self.padding = kwargs.pop('padding', 5)
+ self.border = kwargs.pop('border', 2)
+ self.bg_colour = convert_colour(kwargs.pop('bg_colour',
+ (255, 255, 255, 192)))
+ self.border_colour = convert_colour(kwargs.pop('border_colour',
+ (0, 0, 0)))
+ self.box_width = kwargs.pop('box_width', 0)
+
+ super(TextBoxWidget, self).__init__(*args, **kwargs)
+
+ def lines(self):
+ if self.box_width != 0:
+ return self._wrapped_lines()
+ else:
+ return self.text.splitlines()
+
+ def _wrapped_lines(self):
+ def words_fit(words):
+ words_line = ' '.join(words)
+ width = self.font.size(words_line)[0]
+ if width < self.box_width:
+ return True
+ elif len(words) == 1:
+ Exception("Word %r too long for box." % (words[0],))
+ return False
+
+ for line in self.text.splitlines():
+ current_words = []
+ for word in line.split():
+ current_words.append(word)
+ if words_fit(current_words):
+ continue
+ else:
+ yield ' '.join(current_words[:-1])
+ current_words = current_words[-1:]
+ if current_words and words_fit(current_words):
+ yield ' '.join(current_words)
+
+ def prepare(self):
+ self.font = resources.get_font(self.fontname, self.fontsize)
+ rendered_lines = []
+ width, height = self.padding, self.padding
+ for line in self.lines():
+ line_surface = self.render_line(line)
+ line_rect = line_surface.get_rect()
+ rendered_lines.append(line_surface)
+ width = max(width, line_rect.width)
+ height += line_rect.height
+
+ self.surface = pygame.surface.Surface((width, height),
+ pygame.locals.SRCALPHA)
+ self.surface.fill(self.bg_colour)
+ self.size = self.surface.get_rect().size
+
+ x, y = self.padding, self.padding
+ for line_surface in rendered_lines:
+ self.surface.blit(line_surface, (x, y))
+ y += line_surface.get_rect().height
+