102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com).
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gtk
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import gobject
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import cairo
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COLOR_MODE_NORMAL = 0
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COLOR_MODE_REVERSE = 1
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class BoxGraphic(gtk.DrawingArea):
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__gtype_name__ = 'ConsoleBoxGraphic'
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__gproperties__ = {
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'color-mode': (gobject.TYPE_INT, None, None, 0, 1, COLOR_MODE_NORMAL,
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gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY)
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}
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_color_status_high = [0, 0, 0]
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_color_status_medium = [0, 0, 0]
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_color_status_low = [0, 0, 0]
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_limit_high = 0
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_limit_medium = 0
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_limit_low = 0
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def __init__(self, **kwargs):
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gobject.GObject.__init__(self, **kwargs)
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gtk.DrawingArea.__init__(self)
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self.connect("expose-event", self.do_expose)
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self.connect('size-allocate', self._change_size_cb)
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def do_expose(self, widget, event):
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context = widget.window.cairo_create()
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context.rectangle(0, 0, self._width, self._height)
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context.set_source_rgb (0,0,0)
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context.fill_preserve()
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context.stroke()
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self._draw_content(context, self._percent)
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def do_set_property(self, pspec, value):
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if pspec.name == 'color-mode':
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self._configure(mode=value)
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else:
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raise AssertionError
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def set_capacity(self, percent):
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self._percent = percent
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self.queue_draw()
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def _configure(self, mode):
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# Normal mode configure the box as a battery
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# full is good, empty is bad
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if mode == COLOR_MODE_NORMAL:
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self._color_status_high = [0, 1, 0]
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self._color_status_medium = [1,1,0]
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self._color_status_low = [1,0,0]
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self._limit_high = 60
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self._limit_medium = 10
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# Reverse mode configure the box as a storage device
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# full is bad, empty is good
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elif mode == COLOR_MODE_REVERSE:
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self._color_status_high = [1,0,0]
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self._color_status_medium = [1,1,0]
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self._color_status_low = [0, 1, 0]
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self._limit_high = 85
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self._limit_medium = 40
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def _draw_content(self, context, percent):
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usage_height = (percent*self._height)/100
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context.rectangle(0, self._height - usage_height, self._width, self._height)
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if self._percent > self._limit_high:
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context.set_source_rgb(*self._color_status_high)
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elif self._percent >= self._limit_medium and self._percent <= self._limit_high:
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context.set_source_rgb(*self._color_status_medium)
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elif self._percent < self._limit_medium:
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context.set_source_rgb(*self._color_status_low)
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context.fill_preserve()
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def _change_size_cb(self, widget, allocation):
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self._width = allocation.width
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self._height = allocation.height
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self.queue_draw()
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