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make shift/alt+right work on channel volume sliders (fractions between 0 and 1 were always rounded down)

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This commit is contained in:
Michaël Banaan Ananas 2011-03-06 18:10:22 +00:00
parent e8ec6dc4bf
commit 8f08a4f715
1 changed files with 4 additions and 0 deletions
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4
src/emu/ui.c
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@ -1778,7 +1778,11 @@ static INT32 slider_mixervol(running_machine *machine, void *arg, astring *strin
if (!machine->sound().indexed_speaker_input((FPTR)arg, info))
return 0;
if (newval != SLIDER_NOCHANGE)
{
INT32 curval = floor(info.stream->input_gain(info.inputnum) * 1000.0f + 0.5f);
if (newval > curval && (newval - curval) <= 4) newval += 4; // round up on increment
info.stream->set_input_gain(info.inputnum, (float)newval * 0.001f);
}
if (string != NULL)
string->printf("%4.2f", info.stream->input_gain(info.inputnum));
return floor(info.stream->input_gain(info.inputnum) * 1000.0f + 0.5f);