Mercurial > parpg-core

annotate src/parpg/gui/spinners.py @ 0:1fd2201f5c36

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Initial commit of parpg-core.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 14 May 2011 01:12:35 -0700
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1fd2201f5c36 Initial commit of parpg-core.
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1 from fife.extensions.pychan.widgets import (ImageButton, TextField, HBox,
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2 Spacer)
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3 from fife.extensions.pychan.attrs import Attr, IntAttr, BoolAttr
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4
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5 class ListAttr(Attr):
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6 def parse(self, value):
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7 list_ = value.split(',')
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8 return list_
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9
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10
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11 class Spinner(HBox):
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12 ATTRIBUTES = HBox.ATTRIBUTES + [
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13 ListAttr('items'),
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14 IntAttr('default_item_n'),
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15 BoolAttr('circular'),
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16 ]
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17
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18 def default_item_n():
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19 def fget(self):
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20 return self._default_item_n
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21
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22 def fset(self, index):
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23 if len(self.items) -1 >= index:
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24 self._default_item_n = index
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25 self.text_field.text = self.items[index]
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26 else:
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27 error_message = \
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28 'default_item_n exceeds number of items in spinner'
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29 raise ValueError(error_message)
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30
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31 return locals()
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32 default_item_n = property(**default_item_n())
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33
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34 def items():
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35 def fget(self):
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36 return self._items
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37
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38 def fset(self, items):
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39 self._items = map(unicode, items)
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40 if self.default_item_n > len(items) - 1:
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41 self.default_item_n = 0
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42 self.text_field.text = self.items[self.default_item_n] if \
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43 len(self.items) > 0 else u''
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44
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45 return locals()
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46 items = property(**items())
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47
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48 def background_color():
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49 def fget(self):
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50 return self.text_field.background_color
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51
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52 def fset(self, background_color):
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53 self.text_field.background_color = background_color
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54
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55 return locals()
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56 background_color = property(**background_color())
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57
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58 def font():
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59 def fget(self):
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60 return self.text_field.font
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61
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62 def fset(self, font):
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63 self.text_field.font = font
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64
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65 return locals()
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66 font = property(**font())
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67
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68 def background_color():
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69 def fget(self):
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70 return self.text_field.background_color
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71
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72 def fset(self, background_color):
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73 self.text_field.background_color = background_color
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74
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75 return locals()
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76 background_color = property(**background_color())
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77
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78 def min_size():
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79 def fget(self):
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80 return self._min_size
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81
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82 def fset(self, min_size):
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83 self._min_size = min_size
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84 self.decrease_button.capture(self.previousItem)
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85 increase_button_width, increase_button_height = \
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86 self.increase_button.size
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87 decrease_button_width, decrease_button_height = \
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88 self.decrease_button.size
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89 text_field_width = min_size[0] - (2 * self.padding) - \
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90 (increase_button_width + decrease_button_width)
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91 self.text_field.min_width = text_field_width
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92 self.text_field.max_width = text_field_width
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93 self.text_field.min_height = min_size[1]
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94
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95 return locals()
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96 min_size = property(**min_size())
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97
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98
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99 def max_size():
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100 def fget(self):
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101 return self._max_size
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102
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103 def fset(self, max_size):
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104 self._max_size = max_size
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105 self.decrease_button.capture(self.previousItem)
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106 increase_button_width, increase_button_height = \
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107 self.increase_button.size
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108 decrease_button_width, decrease_button_height = \
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109 self.decrease_button.size
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110 text_field_width = max_size[0] - (2 * self.padding) - \
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111 (increase_button_width + decrease_button_width)
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112 self.text_field.max_width = text_field_width
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113 self.text_field.max_height = max_size[1]
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114
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115 return locals()
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116 max_size = property(**max_size())
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117
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118 def __init__(self, items=None, default_item_n=0, circular=True,
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119 min_size=(50, 14), max_size=(50, 14), font=None, background_color=None, **kwargs):
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120 self._current_index = 0
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121 self._items = map(unicode, items) if items is not None else []
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122 self._default_item_n = default_item_n
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123 self._min_size = min_size
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124 self.circular = circular
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125 padding = 1
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126 self.text_field = TextField(background_color=background_color)
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127 self.decrease_button = ImageButton(
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128 up_image='gui/buttons/left_arrow_up.png',
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129 down_image='gui/buttons/left_arrow_down.png',
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130 hover_image='gui/buttons/left_arrow_hover.png',
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131 )
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132 # FIXME Technomage 2011-03-05: This is a hack to prevent the button
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133 # from expanding width-wise and skewing the TextField orientation.
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134 # Max size shouldn't be hard-coded like this though...
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135 self.decrease_button.max_size = (12, 12)
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136 self.decrease_button.capture(self.previousItem)
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137 self.increase_button = ImageButton(
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138 up_image='gui/buttons/right_arrow_up.png',
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139 down_image='gui/buttons/right_arrow_down.png',
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140 hover_image='gui/buttons/right_arrow_hover.png',
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141 )
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142 self.increase_button.capture(self.nextItem)
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143 increase_button_width, increase_button_height = \
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144 self.increase_button.size
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145 decrease_button_width, decrease_button_height = \
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146 self.decrease_button.size
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147 self.text_field = TextField(font=font)
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148 text_field_width = min_size[0] - (2 * padding) - \
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149 (increase_button_width + decrease_button_width)
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150 self.text_field.min_width = text_field_width
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151 self.text_field.max_width = text_field_width
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152 self.text_field.min_height = min_size[1]
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153 self.text_field.text = self.items[default_item_n] if \
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154 len(self.items) > 0 else u''
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155 HBox.__init__(self, **kwargs)
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156 self.opaque = 0
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157 self.padding = padding
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158 self.margins = (0, 0)
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159 self.addChildren(self.decrease_button, self.text_field,
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160 self.increase_button)
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161
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162 def nextItem(self, event, widget):
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163 if self.circular:
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164 if self._current_index < len(self.items) - 1:
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165 self._current_index += 1
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166 else:
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167 self._current_index = 0
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168 self.text_field.text = self.items[self._current_index]
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169 elif self._current_index < len(self.items) - 1:
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170 self._current_index += 1
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171 self.text_field.text = self.items[self._current_index]
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172
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173 def previousItem(self, event, widget):
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174 if self.circular:
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175 if self._current_index > 0:
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176 self._current_index -= 1
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177 else:
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178 self._current_index = len(self.items) - 1
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179 self.text_field.text = self.items[self._current_index]
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180 elif self._current_index > 0:
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181 self._current_index -= 1
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182 self.text_field.text = self.items[self._current_index]
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183
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184
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185 class IntSpinner(Spinner):
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186 ATTRIBUTES = Spinner.ATTRIBUTES + [
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187 IntAttr('lower_limit'),
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188 IntAttr('upper_limit'),
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189 IntAttr('step_size'),
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190 ]
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191
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192 def lower_limit():
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193 def fget(self):
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194 return self._lower_limit
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195
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196 def fset(self, lower_limit):
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197 self._lower_limit = lower_limit
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198 integers = range(lower_limit, self.upper_limit + 1, self.step_size)
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199 self.items = integers
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200
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201 return locals()
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202 lower_limit = property(**lower_limit())
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203
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204 def upper_limit():
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205 def fget(self):
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206 return self._upper_limit
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207
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208 def fset(self, upper_limit):
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209 self._upper_limit = upper_limit
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210 integers = range(self.lower_limit, upper_limit + 1, self.step_size)
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211 self.items = integers
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212
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213 return locals()
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214 upper_limit = property(**upper_limit())
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215
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216 def step_size():
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217 def fget(self):
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218 return self._step_size
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219
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220 def fset(self, step_size):
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221 self._step_size = step_size
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222 integers = range(self.lower_limit, self.upper_limit + 1, step_size)
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223 self.items = integers
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224
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225 return locals()
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226 step_size = property(**step_size())
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227
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228 def __init__(self, lower_limit=0, upper_limit=100, step_size=1, **kwargs):
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229 self._lower_limit = lower_limit
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230 self._upper_limit = upper_limit
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231 self._step_size = step_size
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232 integers = range(lower_limit, upper_limit + 1, step_size)
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233 Spinner.__init__(self, items=integers, **kwargs)
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234