new class for controlling high res touchpads

common/scroll_management.cpp

@@ -0,0 +1,61 @@
+#include "scroll_management.h"
+
+ScrollManagement::ScrollManagement()
+{
+    wheelTimer = new QTime();
+    wheelTimer->start();
+    wheelAccumulator = 0;
+}
+
+ScrollManagement::Movement ScrollManagement::getMovement(QWheelEvent *event)
+{
+    /*QLOG_DEBUG() << "WheelEvent angle delta : " << event->angleDelta();
+    QLOG_DEBUG() << "WheelEvent pixel delta : " << event->pixelDelta();*/
+
+    int tooFast = 1;
+    int timeThrottle = 16;
+    int minimumMove = 70;
+
+    //avoid any events overflood
+    if((wheelTimer->elapsed() < tooFast)){
+        event->setAccepted(true);
+        return None;
+    }
+
+    // Accumulate the delta
+    if(event->delta()<0 != wheelAccumulator<0 ) //different sign means change in direction
+        wheelAccumulator = 0;
+
+    wheelAccumulator += event->delta();
+
+    //Do not process events too fast
+    if((wheelTimer->elapsed() < timeThrottle)){
+        event->setAccepted(true);
+        return None;
+    }
+
+    //small intervals are ignored until with have enough acumulated delta
+    if((wheelAccumulator < minimumMove) && (wheelAccumulator > -minimumMove)){
+        event->setAccepted(true);
+        return None;
+    }
+
+    Movement m;
+    if(wheelAccumulator<0)
+            m = Forward;
+        else
+            m = Backward;
+
+    event->accept();
+    //Clean up
+    wheelAccumulator = 0;
+    wheelTimer->restart();
+
+    return m;
+}
+
+ScrollManagement::~ScrollManagement()
+{
+
+}
+

common/scroll_management.h

@@ -0,0 +1,25 @@
+#ifndef SCROLLMANAGAMENT_H
+#define SCROLLMANAGAMENT_H
+
+#include <QTime>
+#include <QWheelEvent>
+
+class ScrollManagement
+{
+public:
+    enum Movement{
+        None,
+        Forward,
+        Backward
+    };
+
+    ScrollManagement();
+    ScrollManagement::Movement getMovement(QWheelEvent * event);
+    ~ScrollManagement();
+
+private:
+    QTime * wheelTimer;
+    int wheelAccumulator;
+};
+
+#endif // SCROLLMANAGAMENT_H

common/yacreader_flow_gl.cpp

@@ -247,11 +247,6 @@ YACReaderFlowGL::YACReaderFlowGL(QWidget *parent,struct Preset p)
 	setFormat(f);
 
     timerId = startTimer(updateInterval);
-
-    wheelTimer = new QTime();
-    wheelTimer->start();
-    wheelAccumulator = 0;
-
 }
 
 void YACReaderFlowGL::timerEvent(QTimerEvent * event)
@@ -1049,51 +1044,19 @@ void YACReaderFlowGL::render()
 #include "QsLog.h"
 void YACReaderFlowGL::wheelEvent(QWheelEvent * event)
 {
-    /*QLOG_DEBUG() << "WheelEvent angle delta : " << event->angleDelta();
-    QLOG_DEBUG() << "WheelEvent pixel delta : " << event->pixelDelta();*/
-
-    /*if(event->delta()<0)
-		showNext();
-	else
-		showPrevious();
-    event->accept();*/
-
-    int tooFast = 1;
-    int timeThrottle = 16;
-    int minimumMove = 70;
-
-    //avoid any events overflood
-    if((wheelTimer->elapsed() < tooFast)){
-        event->setAccepted(true);
+    Movement m = getMovement(event);
+    switch (m) {
+    case None:
         return;
+    case Forward:
+        showNext();
+        break;
+    case Backward:
+        showPrevious();
+        break;
+    default:
+        break;
     }
-
-    // Accumulate the delta
-    if(event->delta()<0 != wheelAccumulator<0 ) //different sign means change in direction
-        wheelAccumulator = 0;
-
-    wheelAccumulator += event->delta();
-
-    //Do not process events too fast
-    if((wheelTimer->elapsed() < timeThrottle)){
-        event->setAccepted(true);
-        return;
-    }
-
-    //small intervals are ignored until with have enough acumulated delta
-    if((wheelAccumulator < minimumMove) && (wheelAccumulator > -minimumMove)){
-        event->setAccepted(true);
-        return;
-    }
-
-    if(wheelAccumulator<0)
-            showNext();
-        else
-            showPrevious();
-        event->accept();
-    //Clean up
-    wheelAccumulator = 0;
-    wheelTimer->restart();
 }
 
 void YACReaderFlowGL::keyPressEvent(QKeyEvent *event)

common/yacreader_flow_gl.h

@@ -13,6 +13,7 @@
 #include <QtWidgets>
 
 #include "pictureflow.h" //TODO mover los tipos de flow de sitio
+#include "scroll_management.h"
 
 class ImageLoaderGL;
 class QGLContext;
@@ -104,7 +105,7 @@ extern struct Preset presetYACReaderFlowOverlappedStripeConfig;
 extern struct Preset pressetYACReaderFlowUpConfig;
 extern struct Preset pressetYACReaderFlowDownConfig;
 
-class YACReaderFlowGL : public QOpenGLWidget
+class YACReaderFlowGL : public QOpenGLWidget, public ScrollManagement
 {
 	Q_OBJECT
 protected:
@@ -175,9 +176,6 @@ protected:
 
     void startAnimationTimer();
     void stopAnimationTimer();
-
-    QTime * wheelTimer;
-    int wheelAccumulator;
 	
 public: