QQuickParticleEmitter: Call particleCountChanged by hand on maximumEmittedChanged.

Analysis of QObject connections showed that a large number of connections were
set up to the particles system. As this particular case is cheap, we can do it
inline instead, and avoid the connection-per-instance.

Change-Id: Iec2049fff2c257dc39662ef2b5a8ecd75bbd870d
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/src/particles/qquickparticleemitter.cpp b/src/particles/qquickparticleemitter.cpp
index b76e917069..6f3797c37d 100644
--- a/src/particles/qquickparticleemitter.cpp
+++ b/src/particles/qquickparticleemitter.cpp
@@ -234,8 +234,6 @@ QQuickParticleEmitter::QQuickParticleEmitter(QQuickItem *parent) :
 
 {
     //TODO: Reset velocity/acc back to null vector? Or allow null pointer?
-    connect(this, SIGNAL(maximumEmittedChanged(int)),
-            this, SIGNAL(particleCountChanged()));
     connect(this, SIGNAL(particlesPerSecondChanged(qreal)),
             this, SIGNAL(particleCountChanged()));
     connect(this, SIGNAL(particleDurationChanged(int)),
@@ -311,6 +309,7 @@ void QQuickParticleEmitter::setMaxParticleCount(int arg)
         m_overwrite = arg < 0;
         m_maxParticleCount = arg;
         emit maximumEmittedChanged(arg);
+        emit particleCountChanged();
     }
 }