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, R180, 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 'RETURN': ('glyphs/return.png', None),
17 'HEALTH': ('glyphs/health.png', PALETTE.DARK_RED),
18 'WINTOKEN': ('glyphs/win.png', PALETTE.DARK_OLIVE),
19 'KEY': ('glyphs/key.png', None),
20 'MSB': ('glyphs/msb.png', None),
21 'RED': ('glyphs/key.png', PALETTE.ORANGE),
22 'GREEN': ('glyphs/key.png', PALETTE.GREEN),
23 'BLUE': ('glyphs/key.png', PALETTE.BLUE),
24 'CLOCKWISE': ('glyphs/clockwise.png', None),
25 'ANTICLOCKWISE': ('glyphs/anticlockwise.png', None),
26 'SHIFT_LEFT': ('glyphs/shift_left.png', None),
27 'SHIFT_RIGHT': ('glyphs/shift_right.png', None),
28 'COUNTDOWN': ('glyphs/countdown_4.png', PALETTE.DARK_VIOLET),
30 'HEALTH_NOCOLOUR': ('glyphs/health.png', None),
31 'WINTOKEN_NOCOLOUR': ('glyphs/win.png', None),
36 def __init__(self, markup_text, glyph_keys, suffix=''):
37 self.markup_text = markup_text
38 self.glyph_keys = glyph_keys
39 self.text = ' ' * len(self.glyph_keys) + suffix
42 class TextWidget(Widget):
46 def __init__(self, pos, text, fontname=None, fontsize=None,
47 colour=None, unselectable_colour=None, view_port=None,
48 centre=False, border=0, border_colour=PALETTE.GREY,
50 super(TextWidget, self).__init__(pos)
53 self.fontname = fontname or FONT
54 self.fontsize = (fontsize or FONT_SIZE) // EIGHT_BIT_SCALE
55 self.colour = convert_colour(colour or PALETTE.BLACK)
56 if unselectable_colour is not None:
57 unselectable_colour = convert_colour(unselectable_colour)
58 self.unselectable_colour = unselectable_colour
60 pygame.Rect((0, 0), view_port) if view_port is not None else None)
64 self.border_colour = convert_colour(border_colour)
65 self.padding = padding
67 def render_line(self, text):
69 if not self.is_selectable() and self.unselectable_colour is not None:
70 colour = self.unselectable_colour
71 text_surf = self.font.render(text, True, colour)
72 text_rect = text_surf.get_rect()
73 return pygame.transform.scale(
74 text_surf, (text_rect.width * EIGHT_BIT_SCALE,
75 text_rect.height * EIGHT_BIT_SCALE))
77 def render_border(self, surface):
78 if not self.border or not self.border_colour:
80 rect = surface.get_rect()
81 rect = rect.inflate(- self.border / 2, - self.border / 2)
82 pygame.draw.rect(surface, self.border_colour, rect, self.border)
84 def update_size(self):
85 if self.view_port is not None:
86 self.size = self.view_port.size
88 self.size = self.surface.get_rect().size
90 self.pos = (self.centre_pos[0] - self.size[0] // 2,
94 self.font = resources.get_font(self.fontname, self.fontsize)
95 self.surface = self.render_line(self.text)
96 self.render_border(self.surface)
99 def handle_event(self, ev):
100 if self.view_port is None:
101 return super(TextWidget, self).handle_event(ev)
102 if ev.type == pgl.KEYDOWN:
103 if ev.key in KEYS.DOWN:
104 self.view_port.move_ip(0, self.VIEW_PORT_DY)
105 if self.view_port.bottom > self.surface.get_rect().bottom:
106 self.view_port.bottom = self.surface.get_rect().bottom
108 elif ev.key in KEYS.UP:
109 self.view_port.move_ip(0, -self.VIEW_PORT_DY)
110 if self.view_port.top < 0:
111 self.view_port.top = 0
113 return super(TextWidget, self).handle_event(ev)
115 def draw(self, surface):
116 if self.view_port is None:
121 area = self.view_port
122 surface.blit(self.surface, rect, area)
123 if self.view_port is not None:
124 self.draw_arrows(surface)
126 def draw_arrows(self, surface):
127 if self.view_port.top > 0:
128 up = resources.get_image('bits', 'arrow_on.png',
129 transforms=(EIGHT_BIT,))
130 icon_size = up.get_rect().height
131 pos = (self.pos[0] + self.view_port.width - icon_size, self.pos[1])
132 surface.blit(up, pos)
133 if self.view_port.bottom < self.surface.get_rect().bottom:
134 down = resources.get_image('bits', 'arrow_on.png',
135 transforms=(R180, EIGHT_BIT))
136 icon_size = down.get_rect().height
137 pos = (self.pos[0] + self.view_port.width - icon_size,
138 self.pos[1] + self.view_port.height - icon_size)
139 surface.blit(down, pos)
142 class TextBoxWidget(TextWidget):
143 def __init__(self, *args, **kwargs):
144 self.bg_colour = convert_colour(kwargs.pop('bg_colour',
145 PALETTE.LIGHT_VIOLET))
146 self.box_width = kwargs.pop('box_width', 0)
147 self.full_width = kwargs.pop('full_width', True)
148 kwargs.setdefault('padding', 4)
150 super(TextBoxWidget, self).__init__(*args, **kwargs)
153 if self.box_width != 0:
154 return self._wrapped_lines()
156 return ((line, []) for line in self.text.splitlines())
158 def _prepare_glyph(self, glyph, current_words):
160 size = self.font.size(' '.join(current_words[:-1] + ['']))
161 x = size[0] * EIGHT_BIT_SCALE
162 for glyph_key in glyph.glyph_keys:
163 image_name, colour = MARKUP_MAP[glyph_key]
166 image = resources.get_image(
167 image_name, transforms=(EIGHT_BIT, blender(colour)))
168 glyphs.append(((x, 0), image))
169 x += image.get_width()
172 def _check_markup(self, word):
180 if word[0] == '{' and word[-1] == '}':
181 subwords = word[1:-1].split(',')
182 if all(subword in MARKUP_MAP for subword in subwords):
183 return Glyph(word + suffix, subwords, suffix)
187 def _wrapped_lines(self):
188 def words_fit(words):
189 words_line = ' '.join(words)
190 width = self.font.size(words_line)[0] * EIGHT_BIT_SCALE
191 if width < self.box_width:
193 elif len(words) == 1:
194 Exception("Word %r too long for box." % (words[0],))
198 for line in self.text.splitlines():
204 current_words, glyphs = [], []
205 remaining_words = line.split()
206 while remaining_words:
207 word = remaining_words.pop(0)
208 glyph = self._check_markup(word)
209 if glyph is not None:
211 current_words.append(word)
212 if words_fit(current_words):
213 if glyph is not None:
214 glyphs.extend(self._prepare_glyph(
215 glyph, current_words))
218 yield (' '.join(current_words[:-1]), glyphs)
219 current_words, glyphs = [], []
220 if glyph is not None:
221 word = glyph.markup_text
222 remaining_words.insert(0, word)
223 if current_words and words_fit(current_words):
225 yield (' '.join(current_words), glyphs)
228 self.font = resources.get_font(self.fontname, self.fontsize)
230 width, height = self.padding * 2, self.padding * 2
231 for line, glyphs in self.lines():
232 line_surface = self.render_line(line)
233 line_rect = line_surface.get_rect()
234 rendered_lines.append(line_surface)
235 width = max(width, line_rect.width + self.padding * 2)
236 height += line_rect.height
237 for pos, img in glyphs:
238 line_surface.blit(img, pos)
241 width = max(width, self.box_width)
243 self.surface = pygame.surface.Surface((width, height),
244 pygame.locals.SRCALPHA)
245 self.surface.fill(self.bg_colour)
248 x, y = self.padding, self.padding
249 for line_surface in rendered_lines:
251 x = (width - line_surface.get_rect().width) / 2
253 self.surface.blit(line_surface, (x, y))
254 y += line_surface.get_rect().height
256 self.render_border(self.surface)