sugar-toolkit-gtk3/sugar/graphics/ClipboardBubble.py

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# Copyright (C) 2006, Red Hat, Inc.
#
# 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.
#TODO: has to be merged with all the existing bubbles in a generic progress bar widget
import math
import gobject
import gtk
import hippo
from sugar.graphics import units
class ClipboardBubble(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'ClipboardBubble'
__gproperties__ = {
'fill-color': (object, None, None,
gobject.PARAM_READWRITE),
'stroke-color': (object, None, None,
gobject.PARAM_READWRITE),
'progress-color': (object, None, None,
gobject.PARAM_READWRITE),
'percent' : (object, None, None,
gobject.PARAM_READWRITE),
}
def __init__(self, **kwargs):
self._stroke_color = 0xFFFFFFFF
self._fill_color = 0xFFFFFFFF
self._progress_color = 0x000000FF
self._percent = 0
self._radius = units.points_to_pixels(3)
hippo.CanvasBox.__init__(self, **kwargs)
def do_set_property(self, pspec, value):
if pspec.name == 'fill-color':
self._fill_color = value
self.emit_paint_needed(0, 0, -1, -1)
elif pspec.name == 'stroke-color':
self._stroke_color = value
self.emit_paint_needed(0, 0, -1, -1)
elif pspec.name == 'progress-color':
self._progress_color = value
self.emit_paint_needed(0, 0, -1, -1)
elif pspec.name == 'percent':
self._percent = value
self.emit_paint_needed(0, 0, -1, -1)
def do_get_property(self, pspec):
if pspec.name == 'fill-color':
return self._fill_color
elif pspec.name == 'stroke-color':
return self._stroke_color
elif pspec.name == 'progress-color':
return self._progress_color
elif pspec.name == 'percent':
return self._percent
def _int_to_rgb(self, int_color):
red = (int_color >> 24) & 0x000000FF
green = (int_color >> 16) & 0x000000FF
blue = (int_color >> 8) & 0x000000FF
alpha = int_color & 0x000000FF
return (red / 255.0, green / 255.0, blue / 255.0)
def do_paint_below_children(self, cr, damaged_box):
[width, height] = self.get_allocation()
line_width = 3.0
x = line_width
y = line_width
width -= line_width * 2
height -= line_width * 2
cr.move_to(x + self._radius, y);
cr.arc(x + width - self._radius, y + self._radius,
self._radius, math.pi * 1.5, math.pi * 2);
cr.arc(x + width - self._radius, x + height - self._radius,
self._radius, 0, math.pi * 0.5);
cr.arc(x + self._radius, y + height - self._radius,
self._radius, math.pi * 0.5, math.pi);
cr.arc(x + self._radius, y + self._radius, self._radius,
math.pi, math.pi * 1.5);
color = self._int_to_rgb(self._fill_color)
cr.set_source_rgb(*color)
cr.fill_preserve();
color = self._int_to_rgb(self._stroke_color)
cr.set_source_rgb(*color)
cr.set_line_width(line_width)
cr.stroke();
if self._percent > 0:
self._paint_progress_bar(cr, x, y, width, height, line_width)
def _paint_progress_bar(self, cr, x, y, width, height, line_width):
prog_x = x + line_width
prog_y = y + line_width
prog_width = (width - (line_width * 2)) * (self._percent / 100.0)
prog_height = (height - (line_width * 2))
x = prog_x
y = prog_y
width = prog_width
height = prog_height
cr.move_to(x + self._radius, y);
cr.arc(x + width - self._radius, y + self._radius,
self._radius, math.pi * 1.5, math.pi * 2);
cr.arc(x + width - self._radius, x + height - self._radius,
self._radius, 0, math.pi * 0.5);
cr.arc(x + self._radius, y + height - self._radius,
self._radius, math.pi * 0.5, math.pi);
cr.arc(x + self._radius, y + self._radius, self._radius,
math.pi, math.pi * 1.5);
color = self._int_to_rgb(self._progress_color)
cr.set_source_rgb(*color)
cr.fill_preserve();