/usr/share/pyshared/pgm/graph/group.py is in python-pgm 0.3.12-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 | # -*- mode: python; coding: utf-8 -*-
#
# Pigment Python tools
#
# Copyright © 2006, 2007, 2008 Fluendo Embedded S.L.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
from pgm.utils import classinit
import pgm
import math
import gobject
class Group(gobject.GObject):
__metaclass__ = classinit.GClassInitMeta
__classinit__ = classinit.build_properties
__gsignals__ = {
'drag-begin': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN,
(gobject.TYPE_FLOAT, gobject.TYPE_FLOAT, gobject.TYPE_FLOAT,
pgm.ButtonType, gobject.TYPE_UINT, gobject.TYPE_UINT)),
'drag-motion': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN,
(gobject.TYPE_FLOAT, gobject.TYPE_FLOAT, gobject.TYPE_FLOAT,
pgm.ButtonType, gobject.TYPE_UINT, gobject.TYPE_UINT)),
'drag-end': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN,
(gobject.TYPE_FLOAT, gobject.TYPE_FLOAT, gobject.TYPE_FLOAT,
pgm.ButtonType, gobject.TYPE_UINT)),
'clicked': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN,
(gobject.TYPE_FLOAT, gobject.TYPE_FLOAT, gobject.TYPE_FLOAT,
pgm.ButtonType, gobject.TYPE_UINT, gobject.TYPE_UINT)),
'pressed': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN,
(gobject.TYPE_FLOAT, gobject.TYPE_FLOAT, gobject.TYPE_FLOAT,
pgm.ButtonType, gobject.TYPE_UINT, gobject.TYPE_UINT)),
'released': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN,
(gobject.TYPE_FLOAT, gobject.TYPE_FLOAT, gobject.TYPE_FLOAT,
pgm.ButtonType, gobject.TYPE_UINT)),
'double-clicked': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_BOOLEAN,
(gobject.TYPE_FLOAT, gobject.TYPE_FLOAT, gobject.TYPE_FLOAT,
pgm.ButtonType, gobject.TYPE_UINT)),
}
def __init__(self, canvas=None, layer=pgm.DRAWABLE_MIDDLE):
super(Group, self).__init__()
self._children = []
self._position = (0.0, 0.0, 0.0)
self._opacity = 255
self._screen_visible = False
self._real_visible = False
self._parent = None
self._canvas = canvas
self._layer = layer
def regenerate(self):
for child in self._children:
child.regenerate()
def children__get(self):
return self._children
def position__get(self):
return self._position
def position__set(self, value):
self._position = value
absolute_position = self.absolute_position
for drawable in self._children:
if not isinstance(drawable, Group):
drawable.position_offset = absolute_position
drawable.position = drawable.position
def x__get(self):
return self._position[0]
def x__set(self, value):
self.position = (value, self._position[1], self._position[2])
def y__get(self):
return self._position[1]
def y__set(self, value):
self.position = (self._position[0], value, self._position[2])
def z__get(self):
return self._position[2]
def z__set(self, value):
self.position = (self._position[0], self._position[1], value)
def absolute_position__get(self):
if self._parent == None:
absolute_position = self._position
else:
parent_pos = self._parent.absolute_position
cur_pos = self._position
absolute_position = (cur_pos[0] + parent_pos[0],
cur_pos[1] + parent_pos[1],
cur_pos[2] + parent_pos[2],)
return absolute_position
def opacity__get(self):
return self._opacity
def opacity__set(self, value):
factor = float(value) / 255
self._opacity = value
absolute_opacity_factor = self.absolute_opacity_factor
for drawable in self._children:
if isinstance (drawable, Group):
drawable.opacity = drawable.opacity
else:
drawable.opacity_factor_offset = absolute_opacity_factor
def absolute_opacity_factor__get(self):
if self._parent == None:
opacity_factor = self._opacity / 255.0
else:
opacity_factor = self._opacity * self._parent.absolute_opacity_factor / 255.0
return opacity_factor
def _set_visibility_from_parent(self, visible, from_parent):
if not from_parent:
self._real_visible = visible
if self._parent == None:
self._real_visible = visible
self._screen_visible = visible
elif self._parent.visible == True and self._real_visible == True:
self._screen_visible = True
else:
self._screen_visible = False
for drawable in self._children:
if isinstance(drawable, Group):
drawable._set_visibility_from_parent(self._screen_visible, True)
else:
drawable.parent_visibility = self._screen_visible
def visible__get(self):
return self._screen_visible
def visible__set(self, value):
self._set_visibility_from_parent(value, False)
def size__set(self, size):
current_size = self.size
if current_size[0] == 0.0 or current_size[1] == 0.0:
# FIXME: do something more sensible
return
kx, ky = (size[0]/current_size[0], size[1]/current_size[1])
for child in self._children:
x, y, z = child.position
child.position = (x*kx, y*ky, z)
w, h = child.size
child.size = (w*kx, h*ky)
def width__set(self, width):
height = self.size[1]
self.size = (width, height)
def height__set(self, height):
width = self.size[0]
self.size = (width, height)
def size__get(self):
max_x = 0.0
max_y = 0.0
for child in self._children:
x, y, z = child.position
w, h = child.size
max_x = max(max_x, x + w)
max_y = max(max_y, y + h)
return (max_x, max_y)
def width__get(self):
return self.size[0]
def height__get(self):
return self.size[1]
def parent__get(self):
return self._parent
def add(self, drawable, forward_signals=False):
if drawable not in self._children:
self._children.append(drawable)
if isinstance(drawable, Group):
drawable._parent = self
drawable.position = drawable.position
drawable.opacity = drawable.opacity
drawable.canvas = self._canvas
else:
if self._canvas != None:
self._canvas.add(self._layer, drawable)
drawable.position_offset = self.absolute_position
drawable.parent_visibility = self.visible
drawable.opacity_factor_offset = self.absolute_opacity_factor
if forward_signals:
for signal_name in ('clicked', 'pressed',
'drag-begin', 'drag-motion'):
drawable.connect(signal_name,
self._proxy_child_signal_with_pressure,
signal_name)
for signal_name in ('released', 'drag-end'):
drawable.connect(signal_name,
self._proxy_child_signal, signal_name)
def remove(self, drawable):
if drawable in self._children:
self._children.remove(drawable)
if isinstance(drawable, Group):
drawable._parent = None
drawable.canvas = None
else:
if self._canvas != None:
self._canvas.remove(drawable)
def empty(self):
for child in self._children:
if isinstance(child, Group):
child.empty()
else:
self._canvas.remove(child)
self._children = []
def canvas__set(self, canvas):
for child in self._children:
if isinstance(child, Group):
child.canvas = canvas
else:
if canvas != None:
canvas.add(self._layer, child)
elif self._canvas != None:
self._canvas.remove(child)
self._canvas = canvas
def canvas__get(self):
return self._canvas
def _proxy_child_signal(self, drawable, x, y, z, button, time, signal_name):
return self.emit(signal_name, x, y, z, button, time)
def _proxy_child_signal_with_pressure(self, drawable, x, y, z, button,
time, pressure, signal_name):
return self.emit(signal_name, x, y, z, button, time, pressure)
|