Add example for dani

ScreenPlaySysInfo/cpu.cpp

@@ -7,6 +7,9 @@
 CPU::CPU(QObject *parent) : QObject(parent)
 {
 
+    m_updateTimer.start(m_updateTimer);
+    // signal obj, signal function pointer, slot obj, slot function pointer
+    connect(&m_updateTimer,&QTimer::timeout,this,&CPU::update);
 }
 
 

ScreenPlaySysInfo/cpu.h

@@ -2,6 +2,7 @@
 
 #include <QObject>
 #include <QDebug>
+#include <QTimer>
 
 #ifdef Q_OS_WIN
 #include <qt_windows.h>
@@ -15,6 +16,7 @@ class CPU : public QObject {
     Q_OBJECT
 
     Q_PROPERTY(float usage READ usage NOTIFY usageChanged)
+    Q_PROPERTY(int tickRate READ tickRate WRITE setTickRate NOTIFY tickRateChanged)
 
 public:
     explicit CPU(QObject* parent = nullptr);
@@ -25,10 +27,17 @@ public:
         return m_usage;
     }
 
+    int tickRate() const
+    {
+        return m_tickRate;
+    }
+
 signals:
 
     void usageChanged(float usage);
 
+    void tickRateChanged(int tickRate);
+
 public slots:
     void update();
 
@@ -42,6 +51,17 @@ public slots:
         emit usageChanged(m_usage);
     }
 
+    void setTickRate(int tickRate)
+    {
+        if (m_tickRate == tickRate)
+            return;
+
+        qDebug() << "hat sich was geändert";
+
+        m_tickRate = tickRate;
+        emit tickRateChanged(m_tickRate);
+    }
+
 private:
     float m_usage = 42.0f;
 
@@ -53,4 +73,5 @@ private:
 
     static int c_NumOfProcessors;
     static ULONG c_BufferSize;
+    int m_tickRate;
 };