void EventSender::continuousMouseScrollBy(int x, int y)
{
// continuousMouseScrollBy() mimics devices that send fine-grained scroll events where the 'delta' specified is not the usual
// multiple of 120. See http://doc.qt.nokia.com/4.6/qwheelevent.html#delta for a good explanation of this.
if (x) {
QEvent* event;
if (isGraphicsBased()) {
event = createGraphicsSceneWheelEvent(QEvent::GraphicsSceneWheel,
m_mousePos, m_mousePos, x, Qt::NoModifier, Qt::Horizontal);
} else
event = new QWheelEvent(m_mousePos, m_mousePos, x, m_mouseButtons, Qt::NoModifier, Qt::Horizontal);
sendOrQueueEvent(event);
}
if (y) {
QEvent* event;
if (isGraphicsBased()) {
event = createGraphicsSceneWheelEvent(QEvent::GraphicsSceneWheel,
m_mousePos, m_mousePos, y, Qt::NoModifier, Qt::Vertical);
} else
event = new QWheelEvent(m_mousePos, m_mousePos, y, m_mouseButtons, Qt::NoModifier, Qt::Vertical);
sendOrQueueEvent(event);
}
}
void EventSender::continuousMouseScrollBy(int x, int y)
{
// continuousMouseScrollBy() mimics devices that send fine-grained scroll events where the 'delta' specified is not the usual
// multiple of 120. See http://doc.qt.nokia.com/4.6/qwheelevent.html#delta for a good explanation of this.
// A wheel delta of 120 (in 1/8 degrees) corresponds to one wheel tick, and we scroll tickStep pixels per wheel tick.
const int tickStep = QApplication::wheelScrollLines() * 20;
if (x) {
QEvent* event;
if (isGraphicsBased()) {
event = createGraphicsSceneWheelEvent(QEvent::GraphicsSceneWheel,
m_mousePos, m_mousePos, (x * 120) / tickStep, Qt::NoModifier, Qt::Horizontal);
} else
event = new QWheelEvent(m_mousePos, m_mousePos, (x * 120) / tickStep, m_mouseButtons, Qt::NoModifier, Qt::Horizontal);
sendOrQueueEvent(event);
}
if (y) {
QEvent* event;
if (isGraphicsBased()) {
event = createGraphicsSceneWheelEvent(QEvent::GraphicsSceneWheel,
m_mousePos, m_mousePos, (y * 120) / tickStep, Qt::NoModifier, Qt::Vertical);
} else
event = new QWheelEvent(m_mousePos, m_mousePos, (y * 120) / tickStep, m_mouseButtons, Qt::NoModifier, Qt::Vertical);
sendOrQueueEvent(event);
}
}
