Mercurial > boomslang
annotate gamelib/widgets.py @ 491:9f488671c02e engine_refactor
No more state in Item interacts.
author | Jeremy Thurgood <firxen@gmail.com> |
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date | Sun, 29 Aug 2010 19:58:35 +0200 |
parents | c72946d3a59a |
children | a9925aaf5f61 0ce08d5e2acb |
rev | line source |
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79
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Factor label width setting method out into a custom class (BoomLabel).
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1 # widgets.py |
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2 # Copyright Boomslang team, 2010 (see COPYING File) |
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3 |
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4 """Custom Albow widgets""" |
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5 |
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6 import textwrap |
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7 |
79
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8 import albow.controls |
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9 import albow.menu |
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10 from albow.resource import get_font, get_image |
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11 from pygame.color import Color |
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12 from pygame.rect import Rect |
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13 from pygame.draw import lines |
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14 from pygame import mouse |
79
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15 |
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16 from constants import BUTTON_SIZE |
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17 from cursor import CursorWidget |
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18 |
79
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19 |
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20 class BoomLabel(albow.controls.Label): |
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21 |
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22 trim_line_top = 0 |
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23 |
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24 def __init__(self, text, width=None, **kwds): |
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25 albow.controls.Label.__init__(self, text, width, **kwds) |
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26 w, h = self.size |
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27 h -= self.trim_line_top * len(self.text.split('\n')) |
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28 self.size = (w, h) |
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29 |
79
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30 def set_margin(self, margin): |
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31 """Add a set_margin method that recalculates the label size""" |
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32 old_margin = self.margin |
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33 w, h = self.size |
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34 d = margin - old_margin |
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35 self.margin = margin |
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36 self.size = (w + 2 * d, h + 2 * d) |
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37 |
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38 def draw_all(self, surface): |
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39 bg_color = self.bg_color |
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40 self.bg_color = None |
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41 if bg_color is not None: |
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42 new_surface = surface.convert_alpha() |
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43 new_surface.fill(bg_color) |
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44 surface.blit(new_surface, surface.get_rect()) |
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45 albow.controls.Label.draw_all(self, surface) |
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46 self._draw_all_no_bg(surface) |
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47 self.bg_color = bg_color |
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48 |
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49 def _draw_all_no_bg(self, surface): |
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50 pass |
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51 |
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52 def draw_with(self, surface, fg, _bg=None): |
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53 m = self.margin |
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54 align = self.align |
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55 width = surface.get_width() |
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56 y = m |
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57 lines = self.text.split("\n") |
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58 font = self.font |
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59 dy = font.get_linesize() - self.trim_line_top |
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60 for line in lines: |
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61 image = font.render(line, True, fg) |
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62 r = image.get_rect() |
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63 image = image.subsurface(r.clip(r.move(0, self.trim_line_top))) |
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64 r.top = y |
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65 if align == 'l': |
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66 r.left = m |
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67 elif align == 'r': |
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68 r.right = width - m |
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69 else: |
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70 r.centerx = width // 2 |
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71 surface.blit(image, r) |
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72 y += dy |
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73 |
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74 |
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75 class BoomButton(BoomLabel): |
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76 |
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77 def __init__(self, text, action, screen): |
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78 super(BoomButton, self).__init__(text, font=get_font(20, 'Vera.ttf'), margin=4) |
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79 self.bg_color = (0, 0, 0) |
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80 self._frame_color = Color(50, 50, 50) |
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81 self.action = action |
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82 self.screen = screen |
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83 |
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84 def mouse_down(self, event): |
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85 self.action() |
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86 self.screen.state_widget.mouse_move(event) |
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87 |
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88 def mouse_move(self, event): |
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89 self.screen.state.highlight_override = True |
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90 |
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91 def draw(self, surface): |
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92 super(BoomButton, self).draw(surface) |
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93 r = surface.get_rect() |
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94 w = 2 |
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95 top, bottom, left, right = r.top, r.bottom, r.left, r.right |
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96 lines(surface, self._frame_color, False, [ |
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97 (left, bottom), (left, top), (right-w, top), (right-w, bottom) |
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98 ], w) |
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99 |
124 | 100 |
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101 class MessageDialog(BoomLabel, CursorWidget): |
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102 |
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103 def __init__(self, screen, text, wrap_width, style=None, **kwds): |
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104 CursorWidget.__init__(self, screen) |
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105 self.set_style(style) |
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106 paras = text.split("\n\n") |
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107 text = "\n".join([textwrap.fill(para, wrap_width) for para in paras]) |
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108 BoomLabel.__init__(self, text, **kwds) |
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109 |
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110 def set_style(self, style): |
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111 self.set_margin(5) |
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112 self.border_width = 1 |
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113 self.border_color = (0, 0, 0) |
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114 self.bg_color = (127, 127, 127) |
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115 self.fg_color = (0, 0, 0) |
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116 if style == "JIM": |
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117 self.set(font=get_font(20, "Monospace.ttf")) |
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118 self.trim_line_top = 10 |
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119 self.bg_color = Color(255, 175, 127, 191) |
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120 self.fg_color = (0, 0, 0) |
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121 self.border_color = (127, 15, 0) |
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122 |
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123 def draw_all(self, surface): |
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124 root_surface = self.get_root().surface |
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125 overlay = root_surface.convert_alpha() |
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126 overlay.fill(Color(0, 0, 0, 191)) |
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127 root_surface.blit(overlay, (0, 0)) |
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128 BoomLabel.draw_all(self, surface) |
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129 |
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130 def _draw_all_no_bg(self, surface): |
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131 CursorWidget.draw_all(self, surface) |
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132 |
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133 def mouse_down(self, event): |
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134 self.dismiss() |
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135 self.screen.state_widget._mouse_move(mouse.get_pos()) |
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136 for widget in self.screen.state_widget.subwidgets: |
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137 widget._mouse_move(mouse.get_pos()) |
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138 |
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139 def cursor_highlight(self): |
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140 return False |
358
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141 |
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142 |
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143 class HandButton(albow.controls.Image): |
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144 """The fancy hand button for the widget""" |
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145 |
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146 def __init__(self, action): |
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147 # FIXME: Yes, please. |
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148 this_image = get_image('items', 'hand.png') |
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149 albow.controls.Image.__init__(self, image=this_image) |
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150 self.action = action |
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151 self.set_rect(Rect(0, 0, BUTTON_SIZE, BUTTON_SIZE)) |
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152 |
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153 def mouse_down(self, event): |
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154 self.action() |
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155 |
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156 |
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157 class PopupMenuButton(albow.controls.Button): |
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158 |
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159 def __init__(self, text, action): |
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160 albow.controls.Button.__init__(self, text, action) |
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161 |
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162 self.font = get_font(16, 'Vera.ttf') |
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163 self.set_rect(Rect(0, 0, BUTTON_SIZE, BUTTON_SIZE)) |
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164 self.margin = (BUTTON_SIZE - self.font.get_linesize()) / 2 |
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165 |
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166 |
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167 class PopupMenu(albow.menu.Menu, CursorWidget): |
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168 |
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169 def __init__(self, screen): |
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170 CursorWidget.__init__(self, screen) |
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171 self.screen = screen |
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172 self.shell = screen.shell |
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173 items = [ |
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174 ('Quit Game', 'quit'), |
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175 ('Exit to Main Menu', 'main_menu'), |
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176 ] |
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177 # albow.menu.Menu ignores title string |
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178 albow.menu.Menu.__init__(self, None, items) |
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179 self.font = get_font(16, 'Vera.ttf') |
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180 |
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181 def show_menu(self): |
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182 """Call present, with the correct position""" |
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183 item_height = self.font.get_linesize() |
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184 menu_top = 600 - (len(self.items) * item_height + BUTTON_SIZE) |
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185 item = self.present(self.shell, (0, menu_top)) |
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186 if item > -1: |
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187 # A menu item needs to be invoked |
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188 self.invoke_item(item) |
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189 |
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190 class BoomImageButton(albow.controls.Image): |
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191 """The fancy image button for the screens""" |
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192 |
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193 FOLDER = None |
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194 |
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195 def __init__(self, filename, x, y, action, enable=None): |
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196 this_image = get_image(self.FOLDER, filename) |
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197 albow.controls.Image.__init__(self, image=this_image) |
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198 self.action = action |
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199 self.set_rect(Rect((x, y), this_image.get_size())) |
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200 self.enable = enable |
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201 |
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202 def draw(self, surface): |
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203 if self.is_enabled(): |
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204 surface.blit(self.get_image(), self.get_rect()) |
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205 |
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206 def mouse_down(self, event): |
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207 if self.is_enabled(): |
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208 self.action() |
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209 |
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210 def is_enabled(self): |
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211 if self.enable: |
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212 return self.enable() |
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213 return True |
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214 |