#0  0x00007f8314e79af1 in std::string::append () from /usr/lib/libstdc++.so.6
#1  0x00000000004bc2f4 in std::operator+<char, std::char_traits<char>, std::allocator<char> > ()
#2  0x00000000004b70da in ?? ()
#3  0x00007f83155b627d in IA__g_closure_invoke (closure=0x273b800, 
    return_value=0x0, n_param_values=1, param_values=0x2bf0e20, 
    invocation_hint=0x7fff223e1940)
    at /build/buildd/glib2.0-2.20.0/gobject/gclosure.c:767
	marshal = (
    GClosureMarshal) 0x7f83155c2d30 <IA__g_cclosure_marshal_VOID__VOID>
	marshal_data = (gpointer) 0x0
	__PRETTY_FUNCTION__ = "IA__g_closure_invoke"
#4  0x00007f83155cbdc8 in signal_emit_unlocked_R (node=0x2715890, detail=0, 
    instance=0x28aec50, emission_return=0x0, instance_and_params=0x2bf0e20)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3244
	tmp = <value optimized out>
	handler = (Handler *) 0x28c3d90
	accumulator = (SignalAccumulator *) 0x0
	emission = {next = 0x7fff223e1d90, instance = 0x28aec50, ihint = {
    signal_id = 293, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, 
  state = EMISSION_RUN, chain_type = 4}
	class_closure = (GClosure *) 0x0
	handler_list = (Handler *) 0x28c3d90
	return_accu = (GValue *) 0x0
	accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, 
      v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
	signal_id = 293
	max_sequential_handler_number = 1393
	return_value_altered = 0
#5  0x00007f83155cd422 in IA__g_signal_emit_valist (instance=0x28aec50, 
    signal_id=<value optimized out>, detail=0, var_args=0x7fff223e1b20)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:2977
	signal_return_type = 4
	param_values = (GValue *) 0x2bf0e38
	node = (SignalNode *) 0x2715890
	i = 0
	n_params = 0
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_valist"
#6  0x00007f83155cd73c in IA__g_signal_emit_by_name (instance=0x28aec50, 
    detailed_signal=0x5d859c "clicked")
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3071
	var_args = {{gp_offset = 16, fp_offset = 48, 
    overflow_arg_area = 0x7fff223e1c60, reg_save_area = 0x7fff223e1b70}}
	detail = 0
	signal_id = 293
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_by_name"
#7  0x00007f83155b627d in IA__g_closure_invoke (closure=0x28ace50, 
    return_value=0x0, n_param_values=1, param_values=0x29380a0, 
    invocation_hint=0x7fff223e1da0)
    at /build/buildd/glib2.0-2.20.0/gobject/gclosure.c:767
	marshal = (
    GClosureMarshal) 0x7f83155c2d30 <IA__g_cclosure_marshal_VOID__VOID>
	marshal_data = (gpointer) 0x0
	__PRETTY_FUNCTION__ = "IA__g_closure_invoke"
#8  0x00007f83155cbdc8 in signal_emit_unlocked_R (node=0x25cbc30, detail=0, 
    instance=0x2893b20, emission_return=0x0, instance_and_params=0x29380a0)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3244
	tmp = <value optimized out>
	handler = (Handler *) 0x28bd300
	accumulator = (SignalAccumulator *) 0x0
	emission = {next = 0x7fff223e21a0, instance = 0x2893b20, ihint = {
    signal_id = 104, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, 
  state = EMISSION_RUN, chain_type = 4}
	class_closure = (GClosure *) 0x2543c10
	handler_list = (Handler *) 0x28bd300
	return_accu = (GValue *) 0x0
	accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, 
      v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
	signal_id = 104
	max_sequential_handler_number = 1393
	return_value_altered = 1
#9  0x00007f83155cd422 in IA__g_signal_emit_valist (instance=0x2893b20, 
    signal_id=<value optimized out>, detail=0, var_args=0x7fff223e1f80)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:2977
	signal_return_type = 4
	param_values = (GValue *) 0x29380b8
	node = (SignalNode *) 0x25cbc30
	i = 0
	n_params = 0
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_valist"
#10 0x00007f83155cd943 in IA__g_signal_emit (instance=0x7fff223e1770, 
    signal_id=0, detail=46258632)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3034
	var_args = {{gp_offset = 24, fp_offset = 48, 
    overflow_arg_area = 0x7fff223e2060, reg_save_area = 0x7fff223e1fa0}}
#11 0x00007f83161a768d in gtk_real_button_released (button=0x7fff223e1770)
    at /build/buildd/gtk+2.0-2.16.0/gtk/gtkbutton.c:1702
No locals.
#12 0x00007f83155b627d in IA__g_closure_invoke (closure=0x2543b40, 
    return_value=0x0, n_param_values=1, param_values=0x2931d20, 
    invocation_hint=0x7fff223e21b0)
    at /build/buildd/glib2.0-2.20.0/gobject/gclosure.c:767
	marshal = (GClosureMarshal) 0x7f83155b4780 <g_type_class_meta_marshal>
	marshal_data = (gpointer) 0x340
	__PRETTY_FUNCTION__ = "IA__g_closure_invoke"
#13 0x00007f83155cb6fb in signal_emit_unlocked_R (node=0x2543c40, detail=0, 
    instance=0x2893b20, emission_return=0x0, instance_and_params=0x2931d20)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3174
	accumulator = (SignalAccumulator *) 0x0
	emission = {next = 0x7fff223e25e0, instance = 0x2893b20, ihint = {
    signal_id = 103, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, 
  state = EMISSION_RUN, chain_type = 39524992}
	class_closure = (GClosure *) 0x2543b40
	handler_list = (Handler *) 0x2bee070
	return_accu = (GValue *) 0x0
	accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, 
      v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
	signal_id = 103
	max_sequential_handler_number = 1393
	return_value_altered = 0
#14 0x00007f83155cd422 in IA__g_signal_emit_valist (instance=0x2893b20, 
    signal_id=<value optimized out>, detail=0, var_args=0x7fff223e2390)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:2977
	signal_return_type = 4
	param_values = (GValue *) 0x2931d38
	node = (SignalNode *) 0x2543c40
	i = 0
	n_params = 0
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_valist"
#15 0x00007f83155cd943 in IA__g_signal_emit (instance=0x7fff223e1770, 
    signal_id=0, detail=46258632)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3034
	var_args = {{gp_offset = 24, fp_offset = 48, 
    overflow_arg_area = 0x7fff223e2470, reg_save_area = 0x7fff223e23b0}}
#16 0x00007f83161a631d in gtk_button_button_release (widget=0x7fff223e1770, 
    event=0x0) at /build/buildd/gtk+2.0-2.16.0/gtk/gtkbutton.c:1594
No locals.
#17 0x00007f8316251c28 in _gtk_marshal_BOOLEAN__BOXED (closure=0x25b5a20, 
    return_value=0x7fff223e2630, n_param_values=<value optimized out>, 
    param_values=0x2bee500, invocation_hint=<value optimized out>, 
    marshal_data=0x7f83161a6300)
    at /build/buildd/gtk+2.0-2.16.0/gtk/gtkmarshalers.c:84
	data1 = (gpointer) 0x2893b20
	data2 = (gpointer) 0x2c1d9c8
	v_return = <value optimized out>
	__PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#18 0x00007f83155b627d in IA__g_closure_invoke (closure=0x25b5a20, 
    return_value=0x7fff223e2630, n_param_values=2, param_values=0x2bee500, 
    invocation_hint=0x7fff223e25f0)
    at /build/buildd/glib2.0-2.20.0/gobject/gclosure.c:767
	marshal = (GClosureMarshal) 0x7f83155b4780 <g_type_class_meta_marshal>
	marshal_data = (gpointer) 0x160
	__PRETTY_FUNCTION__ = "IA__g_closure_invoke"
#19 0x00007f83155cbabe in signal_emit_unlocked_R (node=0x25b5a90, detail=0, 
    instance=0x2893b20, emission_return=0x7fff223e2770, 
    instance_and_params=0x2bee500)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3282
	accumulator = (SignalAccumulator *) 0x25b58d0
	emission = {next = 0x0, instance = 0x2893b20, ihint = {
    signal_id = 37, detail = 0, run_type = G_SIGNAL_RUN_LAST}, 
  state = EMISSION_RUN, chain_type = 39524992}
	class_closure = (GClosure *) 0x25b5a20
	handler_list = (Handler *) 0x0
	return_accu = (GValue *) 0x7fff223e2630
	accu = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, 
      v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
	signal_id = 37
	max_sequential_handler_number = 1393
	return_value_altered = 0
#20 0x00007f83155cd2ad in IA__g_signal_emit_valist (instance=0x2893b20, 
    signal_id=<value optimized out>, detail=0, var_args=0x7fff223e27d0)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:2987
	return_value = {g_type = 20, data = {{v_int = 0, v_uint = 0, 
      v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, 
      v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}}}
	error = <value optimized out>
	signal_return_type = 20
	param_values = (GValue *) 0x2bee518
	node = (SignalNode *) 0x25b5a90
	i = 1
	n_params = 1
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_valist"
#21 0x00007f83155cd943 in IA__g_signal_emit (instance=0x7fff223e1770, 
    signal_id=0, detail=46258632)
    at /build/buildd/glib2.0-2.20.0/gobject/gsignal.c:3034
	var_args = {{gp_offset = 32, fp_offset = 48, 
    overflow_arg_area = 0x7fff223e28b0, reg_save_area = 0x7fff223e27f0}}
#22 0x00007f8316359eee in gtk_widget_event_internal (widget=0x2893b20, 
    event=0x2bc9750) at /build/buildd/gtk+2.0-2.16.0/gtk/gtkwidget.c:4761
	signal_num = <value optimized out>
	return_val = 0
#23 0x00007f831624a4c3 in IA__gtk_propagate_event (widget=0x2893b20, 
    event=0x2bc9750) at /build/buildd/gtk+2.0-2.16.0/gtk/gtkmain.c:2396
	tmp = (GtkWidget *) 0x2874500
	handled_event = 45913936
	__PRETTY_FUNCTION__ = "IA__gtk_propagate_event"
#24 0x00007f831624b5e3 in IA__gtk_main_do_event (event=0x2bc9750)
    at /build/buildd/gtk+2.0-2.16.0/gtk/gtkmain.c:1601
	event_widget = (GtkWidget *) 0x2893b20
	grab_widget = (GtkWidget *) 0x2893b20
	window_group = (GtkWindowGroup *) 0x2874500
	rewritten_event = (GdkEvent *) 0x0
	tmp_list = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__gtk_main_do_event"
#25 0x00007f8315ec4d1c in gdk_event_dispatch (source=<value optimized out>, 
    callback=<value optimized out>, user_data=<value optimized out>)
    at /build/buildd/gtk+2.0-2.16.0/gdk/x11/gdkevents-x11.c:2364
	display = <value optimized out>
	event = <value optimized out>
#26 0x00007f831511a0ca in IA__g_main_context_dispatch (context=0x25504b0)
    at /build/buildd/glib2.0-2.20.0/glib/gmain.c:1814
No locals.
#27 0x00007f831511d7a0 in g_main_context_iterate (context=0x25504b0, block=1, 
    dispatch=1, self=<value optimized out>)
    at /build/buildd/glib2.0-2.20.0/glib/gmain.c:2448
	max_priority = 2147483647
	timeout = 100
	some_ready = 1
	nfds = 8
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x2b2bd20
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#28 0x00007f831511dc6d in IA__g_main_loop_run (loop=0x260d0e0)
    at /build/buildd/glib2.0-2.20.0/glib/gmain.c:2656
	self = (GThread *) 0x2547960
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#29 0x00007f831624b9f7 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.16.0/gtk/gtkmain.c:1205
	tmp_list = (GList *) 0x7fff223e2c20
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x2b20500
	loop = <value optimized out>
#30 0x00000000004b7654 in main ()