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##!/usr/bin/env python
# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com).
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
import cairo
class BoxGraphic(gtk.DrawingArea):
def __init__(self):
gtk.DrawingArea.__init__(self)
self.connect("expose-event", self.do_expose)
self.connect('size-allocate', self._change_size_cb)
self.set_capacity(0)
def do_expose(self, widget, event):
context = widget.window.cairo_create()
context.rectangle(0, 0, self._width, self._height)
context.set_source_rgb (0,0,0)
context.fill_preserve()
context.stroke()
print self._percent
self._draw_content(context, self._percent)
def set_capacity(self, percent):
self._percent = percent
self.queue_draw()
def _draw_content(self, context, percent):
usage_height = (percent*self._height)/100
context.rectangle(0, self._height - usage_height, self._width, self._height)
if self._percent > 50:
context.set_source_rgb (0,1,0)
if self._percent > 10 and self._percent <= 50:
context.set_source_rgb (1,1,0)
if self._percent <= 10:
context.set_source_rgb (1,0,0)
context.fill_preserve()
def _change_size_cb(self, widget, allocation):
self._width = allocation.width
self._height = allocation.height
self.queue_draw()
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