bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
{
#if wxDEBUG_LEVEL
// we can't show the dialog from another thread
if ( wxIsMainThread() )
{
// under GTK2 we prefer to use a dialog widget written using directly
// in GTK+ as use a dialog written using wxWidgets would need the
// wxWidgets idle processing to work correctly which might not be the
// case when assert happens
GtkWidget *dialog = gtk_assert_dialog_new();
gtk_assert_dialog_set_message(GTK_ASSERT_DIALOG(dialog), msg.mb_str());
#if wxUSE_STACKWALKER
// save the current stack ow...
StackDump dump(GTK_ASSERT_DIALOG(dialog));
dump.SaveStack(100); // showing more than 100 frames is not very useful
// ...but process it only if the user needs it
gtk_assert_dialog_set_backtrace_callback
(
GTK_ASSERT_DIALOG(dialog),
(GtkAssertDialogStackFrameCallback)get_stackframe_callback,
&dump
);
#endif // wxUSE_STACKWALKER
gint result = gtk_dialog_run(GTK_DIALOG (dialog));
bool returnCode = false;
switch (result)
{
case GTK_ASSERT_DIALOG_STOP:
wxTrap();
break;
case GTK_ASSERT_DIALOG_CONTINUE:
// nothing to do
break;
case GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING:
// no more asserts
returnCode = true;
break;
default:
wxFAIL_MSG( wxT("unexpected return code from GtkAssertDialog") );
}
gtk_widget_destroy(dialog);
return returnCode;
}
#endif // wxDEBUG_LEVEL
return wxAppTraitsBase::ShowAssertDialog(msg);
}
bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg)
{
#if wxDEBUG_LEVEL
// under GTK2 we prefer to use a dialog widget written using directly in
// GTK+ as use a dialog written using wxWidgets would need the wxWidgets
// idle processing to work correctly which might not be the case when
// assert happens
GtkWidget *dialog = gtk_assert_dialog_new();
gtk_assert_dialog_set_message(GTK_ASSERT_DIALOG(dialog), msg.mb_str());
#if wxUSE_STACKWALKER
// don't show more than maxLines or we could get a dialog too tall to be
// shown on screen: 20 should be ok everywhere as even with 15 pixel high
// characters it is still only 300 pixels...
static const int maxLines = 20;
// save current stack frame...
StackDump dump(GTK_ASSERT_DIALOG(dialog));
dump.SaveStack(maxLines);
// ...but process it only if the user needs it
gtk_assert_dialog_set_backtrace_callback(GTK_ASSERT_DIALOG(dialog),
(GtkAssertDialogStackFrameCallback)get_stackframe_callback,
&dump);
#endif // wxUSE_STACKWALKER
gint result = gtk_dialog_run(GTK_DIALOG (dialog));
bool returnCode = false;
switch (result)
{
case GTK_ASSERT_DIALOG_STOP:
wxTrap();
break;
case GTK_ASSERT_DIALOG_CONTINUE:
// nothing to do
break;
case GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING:
// no more asserts
returnCode = true;
break;
default:
wxFAIL_MSG( _T("unexpected return code from GtkAssertDialog") );
}
gtk_widget_destroy(dialog);
return returnCode;
#else // !wxDEBUG_LEVEL
// this function is never called in this case
wxUnusedVar(msg);
return false;
#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
}
