diff options
Diffstat (limited to 'src/sugar3/graphics/roundbox.py')
-rw-r--r-- | src/sugar3/graphics/roundbox.py | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/sugar3/graphics/roundbox.py b/src/sugar3/graphics/roundbox.py new file mode 100644 index 0000000..75141f0 --- /dev/null +++ b/src/sugar3/graphics/roundbox.py @@ -0,0 +1,71 @@ +# Copyright (C) 2006-2007 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. + +""" +STABLE. +""" + +import math + +import hippo + +from sugar.graphics import style + + +class CanvasRoundBox(hippo.CanvasBox, hippo.CanvasItem): + __gtype_name__ = 'SugarRoundBox' + + _BORDER_DEFAULT = style.LINE_WIDTH + + def __init__(self, **kwargs): + hippo.CanvasBox.__init__(self, **kwargs) + + # TODO: we should calculate radius depending on the height of the box. + self._radius = style.zoom(10) + + self.props.orientation = hippo.ORIENTATION_HORIZONTAL + self.props.border = self._BORDER_DEFAULT + self.props.border_left = self._radius + self.props.border_right = self._radius + self.props.border_color = style.COLOR_BLACK.get_int() + + def do_paint_background(self, cr, damaged_box): + [width, height] = self.get_allocation() + + x = self._BORDER_DEFAULT / 2 + y = self._BORDER_DEFAULT / 2 + width -= self._BORDER_DEFAULT + height -= self._BORDER_DEFAULT + + 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) + + hippo.cairo_set_source_rgba32(cr, self.props.background_color) + cr.fill_preserve() + + # TODO: we should be more consistent here with the border properties. + if self.props.border_color: + hippo.cairo_set_source_rgba32(cr, self.props.border_color) + cr.set_line_width(self.props.border_top) + cr.stroke() |