def new_backing(self, bw, bh):
widget = super().new_backing(bw, bh)
if self.drawing_area:
self.remove(self.drawing_area)
set_visual(widget, self._has_alpha)
widget.show()
self.init_widget_events(widget)
if self.drawing_area and self.size_constraints:
#apply min size to the drawing_area:
thints = typedict(self.size_constraints)
minsize = thints.intpair("minimum-size", (0, 0))
self.drawing_area.set_size_request(*minsize)
self.add(widget)
self.drawing_area = widget
#maybe redundant?:
self.apply_geometry_hints(self.geometry_hints)
def check_support(self, force_enable=False):
i = self.props
if not self.xdisplay:
return {
"success": False,
"safe": False,
"enabled": False,
"message": "cannot access X11 display",
}
from gi.repository import Gtk
tmp = Gtk.Window(Gtk.WindowType.TOPLEVEL)
tmp.resize(1, 1)
tmp.set_decorated(False)
tmp.realize()
da = Gtk.DrawingArea()
tmp.add(da)
set_visual(da, True)
win = tmp.get_window()
log("check_support(%s) using temporary window=%s", force_enable, tmp)
with self.get_paint_context(win):
i.update(check_PyOpenGL_support(force_enable))
tmp.destroy()
return i