Use gtk progress bar.
Tomeu Vizoso
17 years ago
parent
811a7d8411
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0baac89a61
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# Copyright (C) 2007, One Laptop Per Child
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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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#TODO: has to be merged with all the existing bubbles in a generic progress bar widget
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import math
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import gobject
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import gtk
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import hippo
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from sugar.graphics import units
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class ClipboardBubble(hippo.CanvasBox, hippo.CanvasItem):
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__gtype_name__ = 'ClipboardBubble'
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__gproperties__ = {
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'fill-color': (object, None, None,
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gobject.PARAM_READWRITE),
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'stroke-color': (object, None, None,
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gobject.PARAM_READWRITE),
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'progress-color': (object, None, None,
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gobject.PARAM_READWRITE),
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'percent' : (object, None, None,
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gobject.PARAM_READWRITE),
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}
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def __init__(self, **kwargs):
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self._stroke_color = 0xFFFFFFFF
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self._fill_color = 0xFFFFFFFF
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self._progress_color = 0x000000FF
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self._percent = 0
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self._radius = units.points_to_pixels(3)
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hippo.CanvasBox.__init__(self, **kwargs)
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def do_set_property(self, pspec, value):
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if pspec.name == 'fill-color':
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self._fill_color = value
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self.emit_paint_needed(0, 0, -1, -1)
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elif pspec.name == 'stroke-color':
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self._stroke_color = value
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self.emit_paint_needed(0, 0, -1, -1)
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elif pspec.name == 'progress-color':
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self._progress_color = value
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self.emit_paint_needed(0, 0, -1, -1)
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elif pspec.name == 'percent':
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self._percent = value
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self.emit_paint_needed(0, 0, -1, -1)
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def do_get_property(self, pspec):
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if pspec.name == 'fill-color':
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return self._fill_color
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elif pspec.name == 'stroke-color':
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return self._stroke_color
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elif pspec.name == 'progress-color':
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return self._progress_color
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elif pspec.name == 'percent':
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return self._percent
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def _int_to_rgb(self, int_color):
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red = (int_color >> 24) & 0x000000FF
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green = (int_color >> 16) & 0x000000FF
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blue = (int_color >> 8) & 0x000000FF
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alpha = int_color & 0x000000FF
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return (red / 255.0, green / 255.0, blue / 255.0)
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def do_paint_below_children(self, cr, damaged_box):
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[width, height] = self.get_allocation()
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line_width = 3.0
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x = line_width
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y = line_width
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width -= line_width * 2
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height -= line_width * 2
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cr.move_to(x + self._radius, y);
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cr.arc(x + width - self._radius, y + self._radius,
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self._radius, math.pi * 1.5, math.pi * 2);
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cr.arc(x + width - self._radius, x + height - self._radius,
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self._radius, 0, math.pi * 0.5);
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cr.arc(x + self._radius, y + height - self._radius,
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self._radius, math.pi * 0.5, math.pi);
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cr.arc(x + self._radius, y + self._radius, self._radius,
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math.pi, math.pi * 1.5);
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color = self._int_to_rgb(self._fill_color)
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cr.set_source_rgb(*color)
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cr.fill_preserve();
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color = self._int_to_rgb(self._stroke_color)
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cr.set_source_rgb(*color)
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cr.set_line_width(line_width)
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cr.stroke();
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if self._percent > 0:
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self._paint_progress_bar(cr, x, y, width, height, line_width)
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def _paint_progress_bar(self, cr, x, y, width, height, line_width):
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prog_x = x + line_width
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prog_y = y + line_width
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prog_width = (width - (line_width * 2)) * (self._percent / 100.0)
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prog_height = (height - (line_width * 2))
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x = prog_x
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y = prog_y
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width = prog_width
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height = prog_height
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cr.move_to(x + self._radius, y);
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cr.arc(x + width - self._radius, y + self._radius,
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self._radius, math.pi * 1.5, math.pi * 2);
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cr.arc(x + width - self._radius, x + height - self._radius,
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self._radius, 0, math.pi * 0.5);
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cr.arc(x + self._radius, y + height - self._radius,
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self._radius, math.pi * 0.5, math.pi);
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cr.arc(x + self._radius, y + self._radius, self._radius,
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math.pi, math.pi * 1.5);
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color = self._int_to_rgb(self._progress_color)
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cr.set_source_rgb(*color)
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cr.fill_preserve();
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