StacktraceTop: g_return_if_fail_warning (log_domain=0x14b5cbb "Gtk", pretty_function=0x157ef40 "IA__gtk_widget_style_get", expression=0x14b7cd6 "GTK_IS_WIDGET (widget)") at /build/buildd/glib2.0-2.29.10/./glib/gmessages.c:582 IA__gtk_widget_style_get (widget=0x0, first_property_name=0x71f187d "trough-border") at /build/buildd/gtk+2.0-2.24.5/gtk/gtkwidget.c:10015 QGtkStyle::pixelMetric (this=0xa5d90b8, metric=QStyle::PM_ScrollBarExtent, option=0xbfa67050, widget=0xa71a2c8) at styles/qgtkstyle.cpp:528 QScrollBar::sizeHint (this=0xa71a2c8) at widgets/qscrollbar.cpp:494 QAbstractScrollAreaPrivate::layoutChildren (this=0xa737f00) at widgets/qabstractscrollarea.cpp:355
StacktraceTop: if_fail_ warning (log_domain= 0x14b5cbb "Gtk", pretty_ function= 0x157ef40 "IA__gtk_ widget_ style_get" , expression= 0x14b7cd6 "GTK_IS_WIDGET (widget)") at /build/ buildd/ glib2.0- 2.29.10/ ./glib/ gmessages. c:582 widget_ style_get (widget=0x0, first_property_ name=0x71f187d "trough-border") at /build/ buildd/ gtk+2.0- 2.24.5/ gtk/gtkwidget. c:10015 :pixelMetric (this=0xa5d90b8, metric= QStyle: :PM_ScrollBarEx tent, option=0xbfa67050, widget=0xa71a2c8) at styles/ qgtkstyle. cpp:528 :sizeHint (this=0xa71a2c8) at widgets/ qscrollbar. cpp:494 lAreaPrivate: :layoutChildren (this=0xa737f00) at widgets/ qabstractscroll area.cpp: 355
g_return_
IA__gtk_
QGtkStyle:
QScrollBar:
QAbstractScrol