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Refactoring and documentation

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This commit is contained in:
Anika Raemer 2021-08-28 14:08:02 +02:00
parent 87a208d305
commit 3fb5be5a74
10 changed files with 149 additions and 75 deletions
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36
LenaPi/MouseEventSpy.cpp
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@ -3,30 +3,12 @@
#include <QGuiApplication>
#include <QDebug>
MouseEventSpy::MouseEventSpy(QObject *parent) : QObject(parent)
{
}
/**
* @brief Create instance if necessary.
*
* If no instance has been created yet, create new instance and install it as event filter
* in QGuiApplication.
*
* @see MouseEventSpy::instance()
*/
void MouseEventSpy::init()
{
instance();
}
/**
* @brief Implements the singleton pattern.
* @return Instance
*
* If no instance has been created yet, create new instance and install it as event filter
* in QGuiApplication.
*/
MouseEventSpy* MouseEventSpy::instance()
{
static MouseEventSpy* inst;
@ -39,28 +21,20 @@ MouseEventSpy* MouseEventSpy::instance()
return inst;
}
/**
* @brief Expand QObject::eventFilter to react to MouseEvents.
*
* Restart timer each time a mouse event is detected.
*/
bool MouseEventSpy::eventFilter(QObject* watched, QEvent* event)
{
QEvent::Type t = event->type();
if (isMouseEvent(t)
&& event->spontaneous() // Take only mouse events from outside of Qt
)
&& event->spontaneous() // Take only mouse events from outside of Qt
)
{
emit mouseEventDetected();
}
return QObject::eventFilter(watched, event);
}
/**
* @brief Checks whether the event type is a mouse event.
* @param t Event type
* @return Returns whether the event type is a mouse event.
*/
bool MouseEventSpy::isMouseEvent(QEvent::Type t)
{
return (t == QEvent::MouseButtonDblClick