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US2400 - fix crash when no strip is selected 

first selected could be null, so check that first.
This is untested since I don't have a surface.
This commit is contained in:
Todd Naugle 2022-05-10 09:16:58 -05:00
parent 834ca29cde
commit be90b4e0ca
1 changed files with 15 additions and 11 deletions
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26
libs/surfaces/us2400/mcp_buttons.cc
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@ -130,18 +130,22 @@ LedState
US2400Protocol::right_press (Button &)
{
if (_subview_mode != None) {
bool hasNextSend = true;
int numSends = 0;
while (hasNextSend) {
if (first_selected_stripable()->send_name(numSends).length() < 1) {
hasNextSend = false;
} else {
numSends++;
boost::shared_ptr<Stripable> s = first_selected_stripable();
if (s) {
bool hasNextSend = true;
int numSends = 0;
while (hasNextSend) {
if (s->send_name(numSends).length() < 1) {
hasNextSend = false;
} else {
numSends++;
}
}
if (numSends > (_sends_bank + 1) * 16) {
_sends_bank++;
redisplay_subview_mode();
}
}
if (numSends > (_sends_bank + 1) * 16) {
_sends_bank++;
redisplay_subview_mode();
}
return none;
}