GUI: Cache dock move work to paint event

Author: jdupak

src/gui/windows/cache/cachedock.cpp

@@ -39,6 +39,14 @@ CacheDock::CacheDock(QWidget *parent, const QString &type)
 }
 
 void CacheDock::setup(const machine::Cache *cache, bool cache_after_cache) {
+    memory_reads = 0;
+    memory_writes = 0;
+    hit = 0;
+    miss = 0;
+    stalled = 0;
+    speed_improv = 0.0;
+    hit_rate = 0.0;
+
     l_hit->setText("0");
     l_miss->setText("0");
     l_stalled->setText("0");
@@ -48,19 +56,12 @@ void CacheDock::setup(const machine::Cache *cache, bool cache_after_cache) {
     l_speed->setText("100%");
     l_speed->setHidden(cache_after_cache);
     if (cache != nullptr) {
+        connect(cache, &machine::Cache::hit_update, this, &CacheDock::hit_update);
+        connect(cache, &machine::Cache::miss_update, this, &CacheDock::miss_update);
+        connect(cache, &machine::Cache::memory_reads_update, this, &CacheDock::memory_reads_update);
         connect(
-            cache, &machine::Cache::hit_update, this, &CacheDock::hit_update);
-        connect(
-            cache, &machine::Cache::miss_update, this, &CacheDock::miss_update);
-        connect(
-            cache, &machine::Cache::memory_reads_update, this,
-            &CacheDock::memory_reads_update);
-        connect(
-            cache, &machine::Cache::memory_writes_update, this,
-            &CacheDock::memory_writes_update);
-        connect(
-            cache, &machine::Cache::statistics_update, this,
-            &CacheDock::statistics_update);
+            cache, &machine::Cache::memory_writes_update, this, &CacheDock::memory_writes_update);
+        connect(cache, &machine::Cache::statistics_update, this, &CacheDock::statistics_update);
     }
     top_form->setVisible(cache != nullptr);
     no_cache->setVisible(cache == nullptr || !cache->get_config().enabled());
@@ -71,27 +72,38 @@ void CacheDock::setup(const machine::Cache *cache, bool cache_after_cache) {
     graphicsview->setVisible(cache != nullptr && cache->get_config().enabled());
 }
 
+void CacheDock::paintEvent(QPaintEvent *event) {
+    l_stalled->setText(QString::number(stalled));
+    l_hit_rate->setText(QString::number(hit_rate, 'f', 3) + QString("%"));
+    l_speed->setText(QString::number(speed_improv, 'f', 0) + QString("%"));
+    l_hit->setText(QString::number(hit));
+    l_miss->setText(QString::number(miss));
+    l_m_reads->setText(QString::number(memory_reads));
+    l_m_writes->setText(QString::number(memory_writes));
+    QDockWidget::paintEvent(event);
+}
+
 void CacheDock::hit_update(unsigned val) {
-    l_hit->setText(QString::number(val));
+    hit = val;
 }
 
 void CacheDock::miss_update(unsigned val) {
-    l_miss->setText(QString::number(val));
+    miss = val;
 }
 
 void CacheDock::memory_reads_update(unsigned val) {
-    l_m_reads->setText(QString::number(val));
+    memory_reads = val;
 }
 
 void CacheDock::memory_writes_update(unsigned val) {
-    l_m_writes->setText(QString::number(val));
+    memory_writes = val;
 }
 
 void CacheDock::statistics_update(
     unsigned stalled_cycles,
     double speed_improv,
     double hit_rate) {
-    l_stalled->setText(QString::number(stalled_cycles));
-    l_hit_rate->setText(QString::number(hit_rate, 'f', 3) + QString("%"));
-    l_speed->setText(QString::number(speed_improv, 'f', 0) + QString("%"));
+    this->stalled = stalled_cycles;
+    this->hit = hit_rate;
+    this->speed_improv = speed_improv;
 }

src/gui/windows/cache/cachedock.h

@@ -16,6 +16,8 @@ class CacheDock : public QDockWidget {
 
     void setup(const machine::Cache *cache, bool cache_after_cache = false);
 
+    void paintEvent(QPaintEvent *event) override;
+
 private slots:
     void hit_update(unsigned);
     void miss_update(unsigned);
@@ -35,6 +37,15 @@ private slots:
     QLabel *l_m_reads, *l_m_writes;
     GraphicsView *graphicsview;
     CacheViewScene *cachescene;
+
+    // Statistics
+    unsigned memory_reads = 0;
+    unsigned memory_writes = 0;
+    unsigned hit = 0;
+    unsigned miss = 0;
+    unsigned stalled = 0;
+    double speed_improv = 0.0;
+    double hit_rate = 0.0;
 };
 
 #endif // CACHEDOCK_H