vcl: add parameter to detect if OS events are processed during Yield.

Intended as a non-functional change.

Change-Id: I1915aad03786540da1a4bfe9031d33f2c2a9b4e3
Reviewed-on: https://gerrit.libreoffice.org/20006
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/vcl/osx/salinst.cxx b/vcl/osx/salinst.cxx
index b4c4eec621f6..f2afec8c71d6 100644
--- a/vcl/osx/salinst.cxx
+++ b/vcl/osx/salinst.cxx
@@ -559,10 +559,11 @@ class ReleasePoolHolder
     ~ReleasePoolHolder() { [mpPool release]; }
 };
 
-void AquaSalInstance::DoYield(bool bWait, bool bHandleAllCurrentEvents, sal_uLong const nReleased)
+bool AquaSalInstance::DoYield(bool bWait, bool bHandleAllCurrentEvents, sal_uLong const nReleased)
 {
     (void) nReleased;
     assert(nReleased == 0); // not implemented
+
     // ensure that the per thread autorelease pool is top level and
     // will therefore not be destroyed by cocoa implicitly
     SalData::ensureThreadAutoreleasePool();
@@ -599,12 +600,13 @@ void AquaSalInstance::DoYield(bool bWait, bool bHandleAllCurrentEvents, sal_uLon
             osl_setCondition( maWaitingYieldCond );
             // return if only one event is asked for
             if( ! bHandleAllCurrentEvents )
-                return;
+                return true;
         }
     }
 
     // handle cocoa event queue
     // cocoa events may be only handled in the thread the NSApp was created
+    bool bHadEvent = false;
     if( isNSAppThread() && mnActivePrintJobs == 0 )
     {
         // we need to be woken up by a cocoa-event
@@ -614,7 +616,6 @@ void AquaSalInstance::DoYield(bool bWait, bool bHandleAllCurrentEvents, sal_uLon
 
         // handle available events
         NSEvent* pEvent = nil;
-        bool bHadEvent = false;
         do
         {
             sal_uLong nCount = ReleaseYieldMutex();
@@ -709,6 +710,8 @@ void AquaSalInstance::DoYield(bool bWait, bool bHandleAllCurrentEvents, sal_uLon
             bInAppEvent = false;
         }
     }
+
+    return bHadEvent;
 }
 
 bool AquaSalInstance::AnyInput( VclInputFlags nType )