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annotate nagslang/screens/menu.py @ 345:4708e86a9a3c

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Remember start position on a level (a bit hacky)
author Stefano Rivera <stefano@rivera.za.net>
date Fri, 06 Sep 2013 13:42:42 +0200
parents 11febdb72296
children 282113d86d75
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1 """Display a menu screen."""
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3 import pygame
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5 from nagslang.screens.base import Screen
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6 from nagslang.events import QuitEvent, ScreenChange
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7 from nagslang.widgets.text import TextWidget, MultiLineWidget
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10 class MenuScreen(Screen):
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11 def setup(self):
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12 # Position is hacked later
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13 self.cursor = TextWidget((0, 0), u'\N{Rightwards Arrow}',
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14 colour='red')
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15 self.cursor_pos = 0
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16 self.options = [
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17 self.play,
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18 self.restart,
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19 self.quit,
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20 ]
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21 self.widgets = [
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22 TextWidget((10, 10), 'Menu', fontsize=20),
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23 TextWidget((40, 50), 'Play the game'),
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24 TextWidget((40, 70), 'Start the game from the beginning again'),
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25 TextWidget((40, 90), 'Quit'),
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26 MultiLineWidget((60, 120), self.world.get_formatted_stats()),
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27 self.cursor,
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28 ]
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30 def handle_event(self, ev):
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31 if ev.type == pygame.locals.KEYDOWN:
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32 if ev.key == pygame.locals.K_ESCAPE:
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33 self.quit()
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34 elif ev.key == pygame.locals.K_DOWN:
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35 self.cursor_pos = (self.cursor_pos + 1) % len(self.options)
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36 elif ev.key == pygame.locals.K_UP:
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37 self.cursor_pos = (self.cursor_pos - 1) % len(self.options)
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38 elif ev.key == pygame.locals.K_RETURN:
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39 self.options[self.cursor_pos]()
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41 def render(self, surface):
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42 surface.fill(pygame.color.Color(255, 255, 255))
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43 self.cursor.pos = (10, 50 + 20 * self.cursor_pos)
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44 self.cursor.rect.top = self.cursor.pos[1]
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45 for widget in self.widgets:
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46 widget.draw(surface)
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47
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48 def play(self):
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49 level_name, pos = self.world.level
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50 self.world.protagonist.set_position(pos)
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51 ScreenChange.post(level_name)
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52
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53 def restart(self):
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54 self.world.reset()
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55 self.setup()
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57 def quit(self):
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58 QuitEvent.post()