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': ('glyphs/arrow_up.png', None),
12 'SOUTH': ('glyphs/arrow_down.png', None),
13 'EAST': ('glyphs/arrow_right.png', None),
14 'WEST': ('glyphs/arrow_left.png', None),
15 'HEALTH': ('glyphs/health.png', PALETTE.DARK_RED),
16 'WINTOKEN': ('glyphs/win.png', PALETTE.DARK_OLIVE),
17 'KEY': ('glyphs/key.png', None),
18 'MSB': ('glyphs/msb.png', None),
19 'RED': ('glyphs/key.png', PALETTE.ORANGE),
20 'GREEN': ('glyphs/key.png', PALETTE.GREEN),
21 'BLUE': ('glyphs/key.png', PALETTE.BLUE),
26 def __init__(self, markup_text, glyph_keys, suffix=''):
27 self.markup_text = markup_text
28 self.glyph_keys = glyph_keys
29 self.text = ' ' * len(self.glyph_keys) + suffix
32 class TextWidget(Widget):
34 def __init__(self, pos, text, size=None, fontname=None, fontsize=None,
36 super(TextWidget, self).__init__(pos, size)
39 self.fontname = fontname or FONT
40 self.fontsize = (fontsize or FONT_SIZE) // EIGHT_BIT_SCALE
41 self.colour = convert_colour(colour or PALETTE.BLACK)
43 def render_line(self, text):
44 text_surf = self.font.render(text, True, self.colour)
45 text_rect = text_surf.get_rect()
46 return pygame.transform.scale(
47 text_surf, (text_rect.width * EIGHT_BIT_SCALE,
48 text_rect.height * EIGHT_BIT_SCALE))
51 self.font = resources.get_font(self.fontname, self.fontsize)
52 self.surface = self.render_line(self.text)
53 self.size = self.surface.get_rect().size
55 def draw(self, surface):
56 surface.blit(self.surface, self.pos)
59 class TextBoxWidget(TextWidget):
60 def __init__(self, *args, **kwargs):
61 self.padding = kwargs.pop('padding', 4)
62 self.border = kwargs.pop('border', 2)
63 self.bg_colour = convert_colour(kwargs.pop('bg_colour',
64 PALETTE.LIGHT_VIOLET))
65 self.border_colour = convert_colour(kwargs.pop('border_colour',
67 self.box_width = kwargs.pop('box_width', 0)
69 super(TextBoxWidget, self).__init__(*args, **kwargs)
71 def lines(self, image_map):
72 if self.box_width != 0:
73 return self._wrapped_lines(image_map)
75 return self.text.splitlines()
77 def _prepare_glyph(self, image_map, glyph, current_words, lines):
78 size = self.font.size(' '.join(current_words[:-1] + ['']))
79 x = size[0] * EIGHT_BIT_SCALE + self.padding
80 y = size[1] * lines * EIGHT_BIT_SCALE + self.padding
81 for glyph_key in glyph.glyph_keys:
82 image_name, colour = MARKUP_MAP[glyph_key]
85 image = resources.get_image(
86 image_name, transforms=(EIGHT_BIT, blender(colour)))
87 image_map[(x, y)] = image
88 x += image.get_width()
90 def _check_markup(self, word):
96 if word[0] == '{' and word[-1] == '}':
97 subwords = word[1:-1].split(',')
98 if all(subword in MARKUP_MAP for subword in subwords):
99 return Glyph(word + suffix, subwords, suffix)
103 def _wrapped_lines(self, image_map):
104 def words_fit(words):
105 words_line = ' '.join(words)
106 width = self.font.size(words_line)[0]
107 if width < self.box_width:
109 elif len(words) == 1:
110 Exception("Word %r too long for box." % (words[0],))
114 for line in self.text.splitlines():
116 remaining_words = line.split()
117 while remaining_words:
118 word = remaining_words.pop(0)
119 glyph = self._check_markup(word)
120 if glyph is not None:
122 current_words.append(word)
123 if words_fit(current_words):
124 if glyph is not None:
126 image_map, glyph, current_words, line_count)
129 yield ' '.join(current_words[:-1])
131 if glyph is not None:
132 word = glyph.markup_text
133 remaining_words.insert(0, word)
134 if current_words and words_fit(current_words):
135 yield ' '.join(current_words)
138 self.font = resources.get_font(self.fontname, self.fontsize)
141 width, height = self.padding * 2, self.padding * 2
142 for line in self.lines(image_map):
143 line_surface = self.render_line(line)
144 line_rect = line_surface.get_rect()
145 rendered_lines.append(line_surface)
146 width = max(width, line_rect.width + self.padding * 2)
147 height += line_rect.height
149 self.surface = pygame.surface.Surface((width, height),
150 pygame.locals.SRCALPHA)
151 self.surface.fill(self.bg_colour)
152 self.size = self.surface.get_rect().size
154 x, y = self.padding, self.padding
155 for line_surface in rendered_lines:
156 self.surface.blit(line_surface, (x, y))
157 y += line_surface.get_rect().height
158 for pos, img in image_map.items():
159 self.surface.blit(img, pos)
161 def draw(self, surface):
162 surface.blit(self.surface, self.rect)