3 from naja.constants import FONT, FONT_SIZE, EIGHT_BIT_SCALE, PALETTE
4 from naja.resources import resources
5 from naja.resources.mutators import EIGHT_BIT, blender
6 from naja.utils import convert_colour
7 from naja.widgets.base import Widget
11 'NORTH': (1, 'glyphs/arrow_up.png'),
12 'SOUTH': (1, 'glyphs/arrow_down.png'),
13 'EAST': (1, 'glyphs/arrow_right.png'),
14 'WEST': (1, 'glyphs/arrow_left.png'),
18 class TextWidget(Widget):
20 def __init__(self, pos, text, size=None, fontname=None, fontsize=None,
22 super(TextWidget, self).__init__(pos, size)
25 self.fontname = fontname or FONT
26 self.fontsize = (fontsize or FONT_SIZE) // EIGHT_BIT_SCALE
27 self.colour = convert_colour(colour or PALETTE.BLACK)
29 def render_line(self, text):
30 text_surf = self.font.render(text, True, self.colour)
31 text_rect = text_surf.get_rect()
32 return pygame.transform.scale(
33 text_surf, (text_rect.width * EIGHT_BIT_SCALE,
34 text_rect.height * EIGHT_BIT_SCALE))
37 self.font = resources.get_font(self.fontname, self.fontsize)
38 self.surface = self.render_line(self.text)
39 self.size = self.surface.get_rect().size
41 def draw(self, surface):
42 surface.blit(self.surface, self.pos)
45 class TextBoxWidget(TextWidget):
46 def __init__(self, *args, **kwargs):
47 self.padding = kwargs.pop('padding', 5)
48 self.border = kwargs.pop('border', 2)
49 self.bg_colour = convert_colour(kwargs.pop('bg_colour',
50 PALETTE.LIGHT_VIOLET))
51 self.border_colour = convert_colour(kwargs.pop('border_colour',
53 self.box_width = kwargs.pop('box_width', 0)
55 super(TextBoxWidget, self).__init__(*args, **kwargs)
57 def lines(self, image_map):
58 if self.box_width != 0:
59 return self._wrapped_lines(image_map)
61 return self.text.splitlines()
63 def _wrapped_lines(self, image_map):
65 words_line = ' '.join(words)
66 width = self.font.size(words_line)[0]
67 if width < self.box_width:
70 Exception("Word %r too long for box." % (words[0],))
74 for line in self.text.splitlines():
76 for word in line.split():
81 markup_data = MARKUP_MAP.get(word, None)
82 if markup_data is not None:
83 word = ' ' * markup_data[0]
85 current_words.append(word)
86 if words_fit(current_words):
87 if markup_data is not None:
88 size = self.font.size(
89 ' '.join(current_words[:-1]) + ' ')
90 pos = (size[0] * EIGHT_BIT_SCALE,
91 size[1] * line_count * EIGHT_BIT_SCALE)
92 pos = (pos[0] + self.padding, pos[1] + self.padding)
93 image_map[pos] = resources.get_image(
95 transforms=(EIGHT_BIT, blender(self.colour)))
99 yield ' '.join(current_words[:-1])
100 current_words = current_words[-1:]
101 if current_words and words_fit(current_words):
102 yield ' '.join(current_words)
105 self.font = resources.get_font(self.fontname, self.fontsize)
108 width, height = self.padding * 2, self.padding * 2
109 for line in self.lines(image_map):
110 line_surface = self.render_line(line)
111 line_rect = line_surface.get_rect()
112 rendered_lines.append(line_surface)
113 width = max(width, line_rect.width + self.padding * 2)
114 height += line_rect.height
116 self.surface = pygame.surface.Surface((width, height),
117 pygame.locals.SRCALPHA)
118 self.surface.fill(self.bg_colour)
119 self.size = self.surface.get_rect().size
121 x, y = self.padding, self.padding
122 for line_surface in rendered_lines:
123 self.surface.blit(line_surface, (x, y))
124 y += line_surface.get_rect().height
125 for pos, img in image_map.items():
126 self.surface.blit(img, pos)
128 def draw(self, surface):
129 surface.blit(self.surface, self.rect)