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# Copyright 2008 by Peter Moxhay and Wade Brainerd.
# This file is part of Math.
#
# Math is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Math 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Math. If not, see <http://www.gnu.org/licenses/>.
from objectarea import Object
from vector import Vector
import gtk, rsvg
WALK_SVG = rsvg.Handle('walk.svg')
class ProgressObject(Object):
"""Horizontal indicator of progress through a lesson."""
def __init__(self, pos, num_steps):
Object.__init__(self)
self.pos = pos
self.num_steps = num_steps
self.cur_step = 0
self.draggable = False
self.selectable = False
def set_step(self, step):
self.cur_step = step
def take_a_step(self):
self.cur_step += 1
def draw(self, cr):
for i in xrange(0, self.num_steps):
if i < self.cur_step:
cr.set_source_rgb(0.4, 1.0, 0.4)
elif i == self.cur_step:
cr.set_source_rgb(0.9, 0.9, 0.0)
else:
cr.set_source_rgb(0.4, 0.4, 0.4)
cr.rectangle(self.pos.x + i*80, self.pos.y + 88, 60, 10)
cr.fill()
cr.translate(self.pos.x + self.cur_step * 80, self.pos.y)
#cr.scale(0.5, 0.5)
WALK_SVG.render_cairo(cr)
def get_bounds(self):
return self.pos, self.pos + Vector(self.num_steps * 15, 20)
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