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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/>.
DEBUG = False
from objectarea import Object
from draggableobject import DraggableObject
from vector import Vector
import gtk
from movableobject import MovableObject
from linesegmentobject import LineSegmentObject
class LineSegmentMovableObject(MovableObject):
"""Draggable vertical line segment."""
def __init__(self, pos, length, drop_targets, container):
MovableObject.__init__(self)
if DEBUG:
print "LineSegmentMovableObject: constructor called "
self.pos = pos
self.length = length
if self.length == 200:
self.line_segment_length = 162
else:
self.line_segment_length = self.length
self.selectable = True
self.rotatable = False
self.drag_copy = True
self.drop_targets = drop_targets
self.container = container
def draw(self, cr):
cr.move_to(self.pos.x - 25, self.pos.y + self.length - self.line_segment_length)
cr.line_to(self.pos.x + 25, self.pos.y + self.length - self.line_segment_length)
cr.move_to(self.pos.x - 25, self.pos.y + self.length)
cr.line_to(self.pos.x + 25, self.pos.y + self.length)
cr.move_to(self.pos.x, self.pos.y + self.length - self.line_segment_length)
cr.line_to(self.pos.x, self.pos.y + self.length)
cr.set_source_rgb(0, 0, 0)
cr.set_line_width(8.0)
cr.stroke()
if self.selected:
cr.rectangle(self.pos.x - 30, self.pos.y - 10 + self.length - self.line_segment_length, 60, self.line_segment_length + 20)
cr.set_line_width(1.0)
cr.set_dash((10, 10), 0)
cr.set_source_rgb(0, 0, 0)
cr.stroke()
def get_bounds(self):
mn = Vector(self.pos.x - 32, self.pos.y - 12 + self.length - self.line_segment_length)
#mx = mn + Vector(64, self.line_segment_length + 24)
mx = mn + Vector(64, self.line_segment_length + 21)
return mn, mx
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