Version-Release number of selected component:
gnome-calendar-3.16.2-1.fc22

Additional info:
reporter:       libreport-2.5.1
backtrace_rating: 4
cmdline:        /usr/bin/gnome-calendar --gapplication-service
crash_function: gtk_widget_translate_coordinates
executable:     /usr/bin/gnome-calendar
global_pid:     5788
kernel:         4.0.4-303.fc22.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 gtk_widget_translate_coordinates at gtkwidget.c:6256
 #1 place_new_event_widget at gcal-window.c:657
 #2 show_new_event_widget at gcal-window.c:619
 #3 ffi_call_unix64 at ../src/x86/unix64.S:76
 #4 ffi_call at ../src/x86/ffi64.c:525
 #5 g_cclosure_marshal_generic at gclosure.c:1448
 #9 g_signal_emit_by_name at gsignal.c:3401
 #10 gcal_month_view_button_release at gcal-month-view.c:1577
 #11 _gtk_marshal_BOOLEAN__BOXEDv at gtkmarshalers.c:130
 #12 _g_closure_invoke_va at gclosure.c:831