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don't drop an entire layout if one view fails to load - it breaks intlc44/intlc440 with null_modem

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This commit is contained in:
Vas Crabb 2017-07-13 05:01:24 +10:00
parent f1b30abacf
commit 5de1667104
1 changed files with 14 additions and 1 deletions
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15
src/emu/rendlay.cpp
View File

@ -2561,7 +2561,20 @@ layout_file::layout_file(running_machine &machine, util::xml::data_node const &r
// parse all the views
for (util::xml::data_node const *viewnode = mamelayoutnode->get_child("view"); viewnode != nullptr; viewnode = viewnode->get_next_sibling("view"))
m_viewlist.append(*global_alloc(layout_view(machine, *viewnode, m_elemlist)));
{
// the trouble with allowing emu_fatalerror to propagate here is that it wreaks havoc with screenless systems that use a terminal by default
// e.g. intlc44 and intlc440 have a terminal on the tty port by default and have a view with the front panel above the terminal screen
// however, they have a second view with just the front panel which is very useful if you're using e.g. -tty null_modem with a socket
// if the emu_fatalerror is allowed to propagate, the entire layout is dropped so you can't select the useful view
try
{
m_viewlist.append(*global_alloc(layout_view(machine, *viewnode, m_elemlist)));
}
catch (emu_fatalerror const &error)
{
// the exception will print its own message before we get here
}
}
}