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annotate mamba/widgets/toollist.py @ 480:90a59251c93b

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Sort tools in level editor.
author Jeremy Thurgood <firxen@gmail.com>
date Sat, 17 Sep 2011 22:22:21 +0200
parents 3f37e011c3b6
children 5f26ba2402cc
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1 from pygame.constants import KEYUP, K_1, K_PAGEDOWN, K_PAGEUP
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2
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3 from mamba.widgets.base import Container
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4 from mamba.widgets.text import TextButton
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6
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7 class ToolListWidget(Container):
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8 """List of other widgets, with some paging trickery"""
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9
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10 def __init__(self, rect, widget_list, page_length, start_key=K_1,
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11 padding=2):
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12 widget_list.sort(key=lambda w: w.text)
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13 self.widget_list = widget_list
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14 self.page_length = page_length
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15 self.padding = padding
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16 self.page = 0
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17 self.start_key = start_key
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18 super(ToolListWidget, self).__init__(rect)
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19 self.prev_but = None
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20 self.next_but = None
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21 self.fill_page()
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22 # We do this to avoid needing to worry about focus too much
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23 self.add_callback(KEYUP, self.handle_key)
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24 self.focussable = True
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25
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26 def fill_page(self):
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27 for widget in self.children[:]:
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28 self.remove(widget)
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29 self.hot_keys = {}
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30 start_page = self.page * self.page_length
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31 end_page = start_page + self.page_length
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32 button_height = self.rect.top + self.padding
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33 button_left = self.rect.left + self.padding
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34 key = self.start_key
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35 for widget in self.widget_list[start_page:end_page]:
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36 widget.rect.topleft = (button_left, button_height)
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37 self.add(widget)
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38 if key:
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39 self.hot_keys[key] = widget
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40 key += 1
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41 button_height += widget.rect.height + self.padding
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42 if not self.prev_but:
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43 self.prev_but = TextButton((button_left, button_height), 'Prev')
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44 self.prev_but.add_callback('clicked', self.change_page, -1)
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45 else:
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46 self.prev_but.rect.top = max(button_height, self.prev_but.rect.top)
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47 if not self.next_but:
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48 self.next_but = TextButton((button_left + 100, button_height),
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49 'Next')
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50 self.next_but.add_callback('clicked', self.change_page, 1)
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51 else:
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52 self.next_but.rect.top = max(button_height, self.next_but.rect.top)
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53 if start_page > 0:
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54 self.prev_but.enable()
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55 else:
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56 self.prev_but.disable()
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57 if end_page < len(self.widget_list):
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58 self.next_but.enable()
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59 else:
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60 self.next_but.disable()
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61 self.add(self.prev_but)
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62 self.add(self.next_but)
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63 for widget in self.children[:]:
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64 if widget in self.widget_list:
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65 # Standardise widdths
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66 widget.rect.width = self.rect.width - 2
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67 widget.prepare()
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68
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69 def handle_key(self, ev, widget):
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70 if hasattr(self.parent, 'paused') and self.parent.paused:
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71 # No hotjets when pasued
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72 return False
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73 if ev.key in self.hot_keys:
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74 widget = self.hot_keys[ev.key]
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75 return widget.forced_click()
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76 elif ev.key == K_PAGEDOWN and self.prev_but:
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77 return self.prev_but.forced_click()
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78 elif ev.key == K_PAGEUP and self.next_but:
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79 return self.next_but.forced_click()
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81 def change_page(self, ev, widget, change):
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82 self.page += change
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83 self.fill_page()
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84 return True