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),
22 'CLOCKWISE': ('glyphs/clockwise.png', None),
23 'ANTICLOCKWISE': ('glyphs/anticlockwise.png', None),
28 def __init__(self, markup_text, glyph_keys, suffix=''):
29 self.markup_text = markup_text
30 self.glyph_keys = glyph_keys
31 self.text = ' ' * len(self.glyph_keys) + suffix
34 class TextWidget(Widget):
36 def __init__(self, pos, text, size=None, fontname=None, fontsize=None,
38 super(TextWidget, self).__init__(pos, size)
41 self.fontname = fontname or FONT
42 self.fontsize = (fontsize or FONT_SIZE) // EIGHT_BIT_SCALE
43 self.colour = convert_colour(colour or PALETTE.BLACK)
45 def render_line(self, text):
46 text_surf = self.font.render(text, True, self.colour)
47 text_rect = text_surf.get_rect()
48 return pygame.transform.scale(
49 text_surf, (text_rect.width * EIGHT_BIT_SCALE,
50 text_rect.height * EIGHT_BIT_SCALE))
53 self.font = resources.get_font(self.fontname, self.fontsize)
54 self.surface = self.render_line(self.text)
55 self.size = self.surface.get_rect().size
57 def draw(self, surface):
58 surface.blit(self.surface, self.pos)
61 class TextBoxWidget(TextWidget):
62 def __init__(self, *args, **kwargs):
63 self.padding = kwargs.pop('padding', 4)
64 self.border = kwargs.pop('border', 2)
65 self.bg_colour = convert_colour(kwargs.pop('bg_colour',
66 PALETTE.LIGHT_VIOLET))
67 self.border_colour = convert_colour(kwargs.pop('border_colour',
69 self.box_width = kwargs.pop('box_width', 0)
71 super(TextBoxWidget, self).__init__(*args, **kwargs)
73 def lines(self, image_map):
74 if self.box_width != 0:
75 return self._wrapped_lines(image_map)
77 return self.text.splitlines()
79 def _prepare_glyph(self, image_map, glyph, current_words, lines):
80 size = self.font.size(' '.join(current_words[:-1] + ['']))
81 x = size[0] * EIGHT_BIT_SCALE + self.padding
82 y = size[1] * lines * EIGHT_BIT_SCALE + self.padding
83 for glyph_key in glyph.glyph_keys:
84 image_name, colour = MARKUP_MAP[glyph_key]
87 image = resources.get_image(
88 image_name, transforms=(EIGHT_BIT, blender(colour)))
89 image_map[(x, y)] = image
90 x += image.get_width()
92 def _check_markup(self, word):
98 if word[0] == '{' and word[-1] == '}':
99 subwords = word[1:-1].split(',')
100 if all(subword in MARKUP_MAP for subword in subwords):
101 return Glyph(word + suffix, subwords, suffix)
105 def _wrapped_lines(self, image_map):
106 def words_fit(words):
107 words_line = ' '.join(words)
108 width = self.font.size(words_line)[0]
109 if width < self.box_width:
111 elif len(words) == 1:
112 Exception("Word %r too long for box." % (words[0],))
116 for line in self.text.splitlines():
118 remaining_words = line.split()
119 while remaining_words:
120 word = remaining_words.pop(0)
121 glyph = self._check_markup(word)
122 if glyph is not None:
124 current_words.append(word)
125 if words_fit(current_words):
126 if glyph is not None:
128 image_map, glyph, current_words, line_count)
131 yield ' '.join(current_words[:-1])
133 if glyph is not None:
134 word = glyph.markup_text
135 remaining_words.insert(0, word)
136 if current_words and words_fit(current_words):
137 yield ' '.join(current_words)
140 self.font = resources.get_font(self.fontname, self.fontsize)
143 width, height = self.padding * 2, self.padding * 2
144 for line in self.lines(image_map):
145 line_surface = self.render_line(line)
146 line_rect = line_surface.get_rect()
147 rendered_lines.append(line_surface)
148 width = max(width, line_rect.width + self.padding * 2)
149 height += line_rect.height
151 self.surface = pygame.surface.Surface((width, height),
152 pygame.locals.SRCALPHA)
153 self.surface.fill(self.bg_colour)
154 self.size = self.surface.get_rect().size
156 x, y = self.padding, self.padding
157 for line_surface in rendered_lines:
158 self.surface.blit(line_surface, (x, y))
159 y += line_surface.get_rect().height
160 for pos, img in image_map.items():
161 self.surface.blit(img, pos)
163 def draw(self, surface):
164 surface.blit(self.surface, self.rect)