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Apply latest consecutive resize, not earliest.

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If there are consecutive resize events in the userstream to be applied in
"serve", we should apply the last/latest one in the sequence, not the
first/earliest one.

This fixes a problem where a flurry of resize events (eg, generated
by a window manager resizing the client), can cause mosh to have an
out-of-date idea as to what the physical geometry of the window is.
This commit is contained in:
Peter Edwards
2019-01-04 03:57:59 -08:00
parent 944fd6c796
commit c3a2756065
1 changed files with 4 additions and 5 deletions
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src/frontend/mosh-server.cc
+3 -4
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@@ -739,12 +739,11 @@ static void serve( int host_fd, Terminal::Complete &terminal, ServerConnection &
const Parser::Action &action = us.get_action( i ); const Parser::Action &action = us.get_action( i );
if ( typeid( action ) == typeid( Parser::Resize ) ) { if ( typeid( action ) == typeid( Parser::Resize ) ) {
/* apply only the last consecutive Resize action */ /* apply only the last consecutive Resize action */
while ( i < us.size() - 1 ) { if ( i < us.size() - 1 ) {
const Parser::Action &next = us.get_action( i + 1 ); const Parser::Action &next = us.get_action( i + 1 );
if ( typeid( next ) != typeid( Parser::Resize ) ) { if ( typeid( next ) == typeid( Parser::Resize ) ) {
break; continue;
} }
i++;
} }
/* tell child process of resize */ /* tell child process of resize */
const Parser::Resize &res = static_cast<const Parser::Resize &>( action ); const Parser::Resize &res = static_cast<const Parser::Resize &>( action );