Mercurial > boomslang

annotate pyntnclick/widgets/base.py @ 558:f9f04cb35697 pyntnclick

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s/mamba/pyntnclick/
author Stefano Rivera <stefano@rivera.za.net>
date Sat, 11 Feb 2012 14:33:23 +0200
parents c0474fe18b96
children b7d8b89de71a
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rev   line source
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1 import collections
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2
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3 import pygame
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4 from pygame.locals import (KEYDOWN, K_DOWN, K_LEFT, K_RETURN, K_RIGHT, K_UP,
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5 K_KP_ENTER, MOUSEBUTTONDOWN, MOUSEBUTTONUP,
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6 MOUSEMOTION, SRCALPHA, USEREVENT)
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7
558
f9f04cb35697 s/mamba/pyntnclick/
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8 from pyntnclick.constants import UP, DOWN, LEFT, RIGHT
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9 from pyntnclick.engine import UserEvent
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10
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11
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12 class Widget(object):
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13
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14 def __init__(self, rect):
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15 if not isinstance(rect, pygame.Rect):
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16 rect = pygame.Rect(rect, (0, 0))
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17 self.rect = rect
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18 self.focussable = False
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19 self.focussed = False
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20 self.modal = False
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21 self.parent = None
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22 self.disabled = False
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23 self.callbacks = collections.defaultdict(list)
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24
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25 def add_callback(self, eventtype, callback, *args):
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26 self.callbacks[eventtype].append((callback, args))
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27
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28 def event(self, ev):
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29 "Don't override this without damn good reason"
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30 if self.disabled:
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31 return True
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32
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33 type_ = ev.type
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34 if type_ == USEREVENT:
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35 for k in self.callbacks.iterkeys():
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36 if (isinstance(k, type) and issubclass(k, UserEvent)
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37 and k.matches(ev)):
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38 type_ = k
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39 break
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40
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41 for callback, args in self.callbacks[type_]:
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42 if callback(ev, self, *args):
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43 return True
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44 return False
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45
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46 def draw(self, surface):
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47 "Override me"
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48 pass
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49
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50 def grab_focus(self):
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51 if self.focussable:
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52 # Find the root and current focus
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53 root = self
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54 while root.parent is not None:
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55 root = root.parent
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56 focus = root
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57 focus_modal_base = None
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58 while (isinstance(focus, Container)
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59 and focus.focussed_child is not None):
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60 if focus.modal:
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61 focus_modal_base = focus
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62 focus = focus.children[focus.focussed_child]
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63
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64 # Don't leave a modal heirarchy
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65 if focus_modal_base:
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66 widget = self
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67 while widget.parent is not None:
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68 if widget == focus_modal_base:
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69 break
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70 widget = widget.parent
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71 else:
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72 return False
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73
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74 root.defocus()
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75 widget = self
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76 while widget.parent is not None:
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77 parent = widget.parent
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78 if isinstance(parent, Container):
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79 idx = parent.children.index(widget)
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80 parent.focussed_child = idx
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81 widget = parent
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82 self.focussed = True
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83 return True
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84 return False
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85
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86 def disable(self):
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87 if not self.disabled:
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88 self.disabled = True
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89 self._focussable_when_enabled = self.focussable
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90 self.focussable = False
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91 if hasattr(self, 'prepare'):
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92 self.prepare()
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93
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94 def enable(self):
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95 if self.disabled:
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96 self.disabled = False
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97 self.focussable = self._focussable_when_enabled
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98 if hasattr(self, 'prepare'):
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99 self.prepare()
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100
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101
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102 class Button(Widget):
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103
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104 def event(self, ev):
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105 if super(Button, self).event(ev):
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106 return True
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107 if (ev.type == MOUSEBUTTONDOWN
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108 or (ev.type == KEYDOWN and ev.key in (K_RETURN, K_KP_ENTER))):
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109 for callback, args in self.callbacks['clicked']:
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110 if callback(ev, self, *args):
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111 return True
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112 return False
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113
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114 def forced_click(self):
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115 """Force calling the clicked handler"""
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116 self.grab_focus()
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117 for callback, args in self.callbacks['clicked']:
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118 if callback(None, self, *args):
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119 return True
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120 return False
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121
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122
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123 class Container(Widget):
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124
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125 def __init__(self, rect=None):
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126 if rect is None:
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127 rect = pygame.Rect(0, 0, 0, 0)
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128 super(Container, self).__init__(rect)
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129 self.children = []
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130 self.focussed_child = None
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131
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132 def event(self, ev):
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133 """Push an event down through the tree, and fire our own event as a
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134 last resort
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135 """
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136 if ev.type in (MOUSEMOTION, MOUSEBUTTONUP, MOUSEBUTTONDOWN):
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137 for child in self.children[:]:
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138 if child.rect.collidepoint(ev.pos):
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139 if ev.type == MOUSEBUTTONDOWN and child.focussable:
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140 if not child.grab_focus():
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141 continue
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diff changeset
142 if child.event(ev):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
143 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
144
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
145 elif ev.type == KEYDOWN:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
146 for i, child in enumerate(self.children):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
147 if child.focussed or i == self.focussed_child:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
148 if child.event(ev):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
149 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
150 else:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
151 # Other events go to all children first
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
152 for child in self.children[:]:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
153 if child.event(ev):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
154 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
155 if super(Container, self).event(ev):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
156 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
157 if (self.parent is None and ev.type == KEYDOWN
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
158 and ev.key in (K_UP, K_DOWN)):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
159 return self.adjust_focus(1 if ev.key == K_DOWN else -1)
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
160
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
161 def add(self, widget):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
162 widget.parent = self
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
163 self.children.append(widget)
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
164 self.rect = self.rect.union(widget.rect)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
165
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
166 def remove(self, widget):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
167 widget.parent = None
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
168 if self.focussed_child is not None:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
169 child = self.children[self.focussed_child]
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
170 self.children.remove(widget)
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
171 # We don't update the rect, for reasons of simplificty and laziness
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
172 if self.focussed_child is not None and child in self.children:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
173 # Fix focus index
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
174 self.focussed_child = self.children.index(child)
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
175 else:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
176 self.focussed_child = None
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
177
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
178 def defocus(self):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
179 if self.focussed_child is not None:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
180 child = self.children[self.focussed_child]
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
181 if isinstance(child, Container):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
182 if not child.defocus():
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
183 return False
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
184 child.focussed = False
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
185 self.focussed_child = None
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
186 return True
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
187
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
188 def adjust_focus(self, direction):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
189 """Try and adjust focus in direction (integer)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
190 """
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
191 if self.focussed_child is not None:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
192 child = self.children[self.focussed_child]
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
193 if isinstance(child, Container):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
194 if child.adjust_focus(direction):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
195 return True
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
196 elif child.modal:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
197 # We're modal, go back
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
198 if child.adjust_focus(-direction):
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
199 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
200 else:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
201 child.focussed = False
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
202
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
203 current = self.focussed_child
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
204 if current is None:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
205 current = -1 if direction > 0 else len(self.children)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
206 if direction > 0:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
207 possibles = list(enumerate(self.children))[current + 1:]
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
208 else:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
209 possibles = list(enumerate(self.children))[:current]
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
210 possibles.reverse()
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
211 for i, child in possibles:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
212 if child.focussable:
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
213 child.focussed = True
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Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
214 self.focussed_child = i
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
215 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
216 if isinstance(child, Container):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
217 if child.adjust_focus(direction):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
218 self.focussed_child = i
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
219 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
220 else:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
221 if self.parent is None:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
222 if self.focussed_child is not None:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
223 # At the end, mark the last one as focussed, again
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
224 child = self.children[self.focussed_child]
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
225 if isinstance(child, Container):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
226 if child.adjust_focus(-direction):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
227 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
228 else:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
229 child.focussed = True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
230 return True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
231 else:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
232 self.focussed_child = None
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
233 return False
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
234
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
235 def draw(self, surface):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
236 if self.parent is None and not self.focussed:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
237 self.focussed = True
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
238 self.adjust_focus(1)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
239 for child in self.children:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
240 child.draw(surface)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
241
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
242
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
243 class GridContainer(Container):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
244 """Hacky container that only supports grids, won't work with Container
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
245 children, or modal children.
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
246 """
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
247
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
248 def __init__(self, width, rect=None):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
249 super(GridContainer, self).__init__(rect)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
250 self.width = width
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
251
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
252 def event(self, ev):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
253 if (ev.type == KEYDOWN and ev.key in (K_UP, K_DOWN, K_LEFT, K_RIGHT)):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
254 direction = None
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
255 if ev.key == K_UP:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
256 direction = UP
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
257 elif ev.key == K_DOWN:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
258 direction = DOWN
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
259 elif ev.key == K_LEFT:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
260 direction = LEFT
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
261 elif ev.key == K_RIGHT:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
262 direction = RIGHT
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
263 return self.adjust_focus(direction)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
264 super(GridContainer, self).event(ev)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
265
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
266 def add(self, widget):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
267 assert not isinstance(widget, Container)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
268 assert not widget.modal
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
269 super(GridContainer, self).add(widget)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
270
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
271 def adjust_focus(self, direction):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
272 if isinstance(direction, int):
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
273 direction = (direction, 0)
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
274
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
275 if len(self.children) == 0:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
276 return False
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
277
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
278 if self.focussed_child is None:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
279 if sum(direction) > 0:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
280 self.focussed_child = 0
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
281 else:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
282 self.focussed_child = len(self.children) - 1
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
283 else:
c0474fe18b96 Copy in widgets from mamba (currently unused)
Stefano Rivera <stefano@rivera.za.net>
parents:
diff changeset
284 self.children[self.focussed_child].focussed = False
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285 if direction[0] != 0:
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286 self.focussed_child += direction[0]
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287 if direction[1] != 0:
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288 self.focussed_child += self.width * direction[1]
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289 if not 0 <= self.focussed_child < len(self.children):
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290 self.focussed_child = None
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291 return False
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292 self.children[self.focussed_child].focussed = True
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293 return True
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294
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295
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296 class Box(Container):
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297 """A container that draws a filled background with a border"""
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298 padding = 4
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299
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300 def draw(self, surface):
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301 expandrect = self.rect.move((-self.padding, -self.padding))
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302 expandrect.width = self.rect.width + 2 * self.padding
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303 expandrect.height = self.rect.height + 2 * self.padding
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304 border = pygame.Surface(expandrect.size, SRCALPHA)
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305 border.fill(pygame.Color('black'))
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306 surface.blit(border, expandrect)
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307 background = pygame.Surface(self.rect.size, SRCALPHA)
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308 background.fill(pygame.Color('gray'))
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309 surface.blit(background, self.rect)
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310 super(Box, self).draw(surface)