StacktraceTop: g_type_check_instance (type_instance=type_instance@entry=0x1) at ../../../../gobject/gtype.c:4129 g_signal_emit_valist (instance=0x1, signal_id=475, detail=0, var_args=var_args@entry=0x7ffe56934ca0) at ../../../../gobject/gsignal.c:3176 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../../gobject/gsignal.c:3447 g_closure_invoke (closure=0x55de62d68a20, return_value=0x0, n_param_values=1, param_values=0x7ffe56934f40, invocation_hint=0x7ffe56934ec0) at ../../../../gobject/gclosure.c:804 signal_emit_unlocked_R (node=node@entry=0x55de63897770, detail=detail@entry=0, instance=instance@entry=0x55de650c0920, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffe56934f40) at ../../../../gobject/gsignal.c:3635
StacktraceTop: check_instance (type_instance= type_instance@ entry=0x1) at ../../. ./../gobject/ gtype.c: 4129 emit_valist (instance=0x1, signal_id=475, detail=0, var_args= var_args@ entry=0x7ffe569 34ca0) at ../../. ./../gobject/ gsignal. c:3176 <optimized out>, signal_ id=<optimized out>, detail=<optimized out>) at ../../. ./../gobject/ gsignal. c:3447 0x55de62d68a20, return_value=0x0, n_param_values=1, param_values= 0x7ffe56934f40, invocation_ hint=0x7ffe5693 4ec0) at ../../. ./../gobject/ gclosure. c:804 emit_unlocked_ R (node=node@ entry=0x55de638 97770, detail= detail@ entry=0, instance= instance@ entry=0x55de650 c0920, emission_ return= emission_ return@ entry=0x0, instance_ and_params= instance_ and_params@ entry=0x7ffe569 34f40) at ../../. ./../gobject/ gsignal. c:3635
g_type_
g_signal_
g_signal_emit (instance=
g_closure_invoke (closure=
signal_