35 lines
905 B
Python
35 lines
905 B
Python
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import gtk
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import cairo
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class OverlayWindow(gtk.Window):
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def __init__(self, lower_window):
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gtk.Window.__init__(self)
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colormap = self.get_screen().get_rgba_colormap()
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colormap=None
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if not colormap:
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raise RuntimeError("The window manager doesn't support compositing.")
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self.set_colormap(colormap)
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self.realize()
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self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
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self.window.set_accept_focus(False)
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self.window.set_transient_for(lower_window)
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self.set_decorated(False)
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self.set_position(gtk.WIN_POS_CENTER_ALWAYS)
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self.set_default_size(gtk.gdk.screen_width(), gtk.gdk.screen_height())
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self.set_app_paintable(True)
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self.connect('expose-event', self._expose_cb)
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def _expose_cb(self, widget, event):
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cr = widget.window.cairo_create()
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cr.set_source_rgba(0.0, 0.0, 0.0, 0.4) # Transparent
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cr.set_operator(cairo.OPERATOR_SOURCE)
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cr.paint()
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return False
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