2 import pygame.locals as pgl
4 from naja.constants import FONT, FONT_SIZE, EIGHT_BIT_SCALE, PALETTE, KEYS
5 from naja.resources import resources
6 from naja.resources.mutators import EIGHT_BIT, blender
7 from naja.utils import convert_colour
8 from naja.widgets.base import Widget
12 'NORTH': ('glyphs/arrow_up.png', None),
13 'SOUTH': ('glyphs/arrow_down.png', None),
14 'EAST': ('glyphs/arrow_right.png', None),
15 'WEST': ('glyphs/arrow_left.png', None),
16 'HEALTH': ('glyphs/health.png', PALETTE.DARK_RED),
17 'WINTOKEN': ('glyphs/win.png', PALETTE.DARK_OLIVE),
18 'KEY': ('glyphs/key.png', None),
19 'MSB': ('glyphs/msb.png', None),
20 'RED': ('glyphs/key.png', PALETTE.ORANGE),
21 'GREEN': ('glyphs/key.png', PALETTE.GREEN),
22 'BLUE': ('glyphs/key.png', PALETTE.BLUE),
23 'CLOCKWISE': ('glyphs/clockwise.png', None),
24 'ANTICLOCKWISE': ('glyphs/anticlockwise.png', None),
26 'HEALTH_NOCOLOUR': ('glyphs/health.png', None),
27 'WINTOKEN_NOCOLOUR': ('glyphs/win.png', None),
32 def __init__(self, markup_text, glyph_keys, suffix=''):
33 self.markup_text = markup_text
34 self.glyph_keys = glyph_keys
35 self.text = ' ' * len(self.glyph_keys) + suffix
38 class TextWidget(Widget):
42 def __init__(self, pos, text, fontname=None, fontsize=None,
43 colour=None, unselectable_colour=None, view_port=None,
45 super(TextWidget, self).__init__(pos)
48 self.fontname = fontname or FONT
49 self.fontsize = (fontsize or FONT_SIZE) // EIGHT_BIT_SCALE
50 self.colour = convert_colour(colour or PALETTE.BLACK)
51 if unselectable_colour is not None:
52 unselectable_colour = convert_colour(unselectable_colour)
53 self.unselectable_colour = unselectable_colour
55 pygame.Rect((0, 0), view_port) if view_port is not None else None)
59 def render_line(self, text):
61 if not self.is_selectable() and self.unselectable_colour is not None:
62 colour = self.unselectable_colour
63 text_surf = self.font.render(text, True, colour)
64 text_rect = text_surf.get_rect()
65 return pygame.transform.scale(
66 text_surf, (text_rect.width * EIGHT_BIT_SCALE,
67 text_rect.height * EIGHT_BIT_SCALE))
69 def update_size(self):
70 if self.view_port is not None:
71 self.size = self.view_port.size
73 self.size = self.surface.get_rect().size
75 self.pos = (self.centre_pos[0] - self.size[0] // 2,
79 self.font = resources.get_font(self.fontname, self.fontsize)
80 self.surface = self.render_line(self.text)
83 def handle_event(self, ev):
84 if self.view_port is None:
85 return super(TextWidget, self).handle_event(ev)
86 if ev.type == pgl.KEYDOWN:
87 if ev.key in KEYS.DOWN:
88 self.view_port.move_ip(0, self.VIEW_PORT_DY)
89 if self.view_port.bottom > self.surface.get_rect().bottom:
90 self.view_port.bottom = self.surface.get_rect().bottom
92 elif ev.key in KEYS.UP:
93 self.view_port.move_ip(0, -self.VIEW_PORT_DY)
94 if self.view_port.top < 0:
95 self.view_port.top = 0
97 return super(TextWidget, self).handle_event(ev)
99 def draw(self, surface):
100 if self.view_port is None:
105 area = self.view_port
106 surface.blit(self.surface, rect, area)
109 class TextBoxWidget(TextWidget):
110 def __init__(self, *args, **kwargs):
111 self.padding = kwargs.pop('padding', 4)
112 self.border = kwargs.pop('border', 2)
113 self.bg_colour = convert_colour(kwargs.pop('bg_colour',
114 PALETTE.LIGHT_VIOLET))
115 self.border_colour = convert_colour(kwargs.pop('border_colour',
117 self.box_width = kwargs.pop('box_width', 0)
119 super(TextBoxWidget, self).__init__(*args, **kwargs)
121 def lines(self, image_map):
122 if self.box_width != 0:
123 return self._wrapped_lines(image_map)
125 return self.text.splitlines()
127 def _prepare_glyph(self, image_map, glyph, current_words, lines):
128 size = self.font.size(' '.join(current_words[:-1] + ['']))
129 x = size[0] * EIGHT_BIT_SCALE + self.padding
130 y = size[1] * lines * EIGHT_BIT_SCALE + self.padding
131 for glyph_key in glyph.glyph_keys:
132 image_name, colour = MARKUP_MAP[glyph_key]
135 image = resources.get_image(
136 image_name, transforms=(EIGHT_BIT, blender(colour)))
137 image_map[(x, y)] = image
138 x += image.get_width()
140 def _check_markup(self, word):
146 if word[0] == '{' and word[-1] == '}':
147 subwords = word[1:-1].split(',')
148 if all(subword in MARKUP_MAP for subword in subwords):
149 return Glyph(word + suffix, subwords, suffix)
153 def _wrapped_lines(self, image_map):
154 def words_fit(words):
155 words_line = ' '.join(words)
156 width = self.font.size(words_line)[0]
157 if width < self.box_width:
159 elif len(words) == 1:
160 Exception("Word %r too long for box." % (words[0],))
164 for line in self.text.splitlines():
171 remaining_words = line.split()
172 while remaining_words:
173 word = remaining_words.pop(0)
174 glyph = self._check_markup(word)
175 if glyph is not None:
177 current_words.append(word)
178 if words_fit(current_words):
179 if glyph is not None:
181 image_map, glyph, current_words, line_count)
184 yield ' '.join(current_words[:-1])
186 if glyph is not None:
187 word = glyph.markup_text
188 remaining_words.insert(0, word)
189 if current_words and words_fit(current_words):
191 yield ' '.join(current_words)
194 self.font = resources.get_font(self.fontname, self.fontsize)
197 width, height = self.padding * 2, self.padding * 2
198 for line in self.lines(image_map):
199 line_surface = self.render_line(line)
200 line_rect = line_surface.get_rect()
201 rendered_lines.append(line_surface)
202 width = max(width, line_rect.width + self.padding * 2)
203 height += line_rect.height
205 self.surface = pygame.surface.Surface((width, height),
206 pygame.locals.SRCALPHA)
207 self.surface.fill(self.bg_colour)
210 x, y = self.padding, self.padding
211 for line_surface in rendered_lines:
212 self.surface.blit(line_surface, (x, y))
213 y += line_surface.get_rect().height
214 for pos, img in image_map.items():
215 self.surface.blit(img, pos)