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event objects; not sure if this is the fastest way, but in my measuring it takes well under a millisecond per event to do the entire event handling sequence, so the event object reation can't be slow bit ;)

Browse Source 
svn path=/trunk/KDE/kdebase/runtime/; revision=1110135
This commit is contained in:
Aaron J. Seigo 2010-04-02 01:03:55 +00:00
parent 282a4f833e
commit dc7f4d59b6
2 changed files with 72 additions and 11 deletions
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79
scriptengines/javascript/simplejavascriptapplet.cpp
View File

@ -22,12 +22,15 @@
#include <iostream>
#include <QFile>
#include <QUiLoader>
#include <QKeyEvent>
#include <QGraphicsLayout>
#include <QGraphicsSceneHoverEvent>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsSceneWheelEvent>
#include <QParallelAnimationGroup>
#include <QPauseAnimation>
#include <QSequentialAnimationGroup>
#include <QUiLoader>
#include <QWidget>
#include <QScriptEngine>
@ -336,13 +339,67 @@ bool SimpleJavaScriptApplet::init()
return m_env->include(mainScript());
}
QScriptValue SimpleJavaScriptApplet::createKeyEventObject(QKeyEvent *event)
{
QScriptValue v = m_env->engine()->newObject();
v.setProperty("count", event->count());
v.setProperty("key", event->key());
v.setProperty("modifiers", static_cast<int>(event->modifiers()));
v.setProperty("text", event->text());
return v;
}
QScriptValue SimpleJavaScriptApplet::createHoverEventObject(QGraphicsSceneHoverEvent *event)
{
QScriptEngine *engine = m_env->engine();
QScriptValue v = engine->newObject();
v.setProperty("pos", engine->toScriptValue<QPoint>(event->pos().toPoint()));
v.setProperty("scenePos", engine->toScriptValue<QPoint>(event->scenePos().toPoint()));
v.setProperty("screenPos", engine->toScriptValue<QPoint>(event->screenPos()));
v.setProperty("lastPos", engine->toScriptValue<QPoint>(event->lastPos().toPoint()));
v.setProperty("lastScenePos", engine->toScriptValue<QPoint>(event->lastScenePos().toPoint()));
v.setProperty("lastScreenPos", engine->toScriptValue<QPoint>(event->lastScreenPos()));
v.setProperty("modifiers", static_cast<int>(event->modifiers()));
return v;
}
QScriptValue SimpleJavaScriptApplet::createMouseEventObject(QGraphicsSceneMouseEvent *event)
{
QScriptEngine *engine = m_env->engine();
QScriptValue v = engine->newObject();
v.setProperty("button", static_cast<int>(event->button()));
v.setProperty("buttons", static_cast<int>(event->buttons()));
v.setProperty("modifiers", static_cast<int>(event->modifiers()));
v.setProperty("pos", engine->toScriptValue<QPoint>(event->pos().toPoint()));
v.setProperty("scenePos", engine->toScriptValue<QPoint>(event->scenePos().toPoint()));
v.setProperty("screenPos", engine->toScriptValue<QPoint>(event->screenPos()));
v.setProperty("lastPos", engine->toScriptValue<QPoint>(event->lastPos().toPoint()));
v.setProperty("lastScenePos", engine->toScriptValue<QPoint>(event->lastScenePos().toPoint()));
v.setProperty("lastScreenPos", engine->toScriptValue<QPoint>(event->lastScreenPos()));
return v;
}
QScriptValue SimpleJavaScriptApplet::createWheelEventObject(QGraphicsSceneWheelEvent *event)
{
QScriptEngine *engine = m_env->engine();
QScriptValue v = engine->newObject();
v.setProperty("delta", event->delta());
v.setProperty("buttons", static_cast<int>(event->buttons()));
v.setProperty("modifiers", static_cast<int>(event->modifiers()));
v.setProperty("orientation", static_cast<int>(event->orientation()));
v.setProperty("pos", engine->toScriptValue<QPoint>(event->pos().toPoint()));
v.setProperty("scenePos", engine->toScriptValue<QPoint>(event->scenePos().toPoint()));
v.setProperty("screenPos", engine->toScriptValue<QPoint>(event->screenPos()));
return v;
}
bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
{
switch (event->type()) {
case QEvent::KeyPress: {
if (m_eventListeners.contains("keypress")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QKeyEvent *>(event));
args << createKeyEventObject(static_cast<QKeyEvent *>(event));
callEventListeners("keypress", args);
return true;
}
@ -351,7 +408,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::KeyRelease: {
if (m_eventListeners.contains("keyrelease")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QKeyEvent *>(event));
args << createKeyEventObject(static_cast<QKeyEvent *>(event));
callEventListeners("keyrelease", args);
return true;
}
@ -361,7 +418,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneHoverEnter: {
if (m_eventListeners.contains("hoverenter")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneHoverEvent *>(event));
args << createHoverEventObject(static_cast<QGraphicsSceneHoverEvent *>(event));
callEventListeners("hoverenter", args);
return true;
}
@ -371,7 +428,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneHoverLeave: {
if (m_eventListeners.contains("hoverleave")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneHoverEvent *>(event));
args << createHoverEventObject(static_cast<QGraphicsSceneHoverEvent *>(event));
callEventListeners("hoverleave", args);
return true;
}
@ -381,7 +438,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneHoverMove: {
if (m_eventListeners.contains("hovermove")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneHoverEvent *>(event));
args << createHoverEventObject(static_cast<QGraphicsSceneHoverEvent *>(event));
callEventListeners("hovermove", args);
return true;
}
@ -391,7 +448,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneMousePress: {
if (m_eventListeners.contains("mousepress")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneMouseEvent *>(event));
args << createMouseEventObject(static_cast<QGraphicsSceneMouseEvent *>(event));
callEventListeners("mousepress", args);
return true;
}
@ -401,7 +458,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneMouseRelease: {
if (m_eventListeners.contains("mouserelease")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneMouseEvent *>(event));
args << createMouseEventObject(static_cast<QGraphicsSceneMouseEvent *>(event));
callEventListeners("mouserelease", args);
return true;
}
@ -411,7 +468,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneMouseMove: {
if (m_eventListeners.contains("mousemove")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneMouseEvent *>(event));
args << createMouseEventObject(static_cast<QGraphicsSceneMouseEvent *>(event));
callEventListeners("mousemove", args);
return true;
}
@ -421,7 +478,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneMouseDoubleClick: {
if (m_eventListeners.contains("mousedoubleclick")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneMouseEvent *>(event));
args << createMouseEventObject(static_cast<QGraphicsSceneMouseEvent *>(event));
callEventListeners("mousedoubleclick", args);
return true;
}
@ -431,7 +488,7 @@ bool SimpleJavaScriptApplet::eventFilter(QObject *watched, QEvent *event)
case QEvent::GraphicsSceneWheel: {
if (m_eventListeners.contains("wheel")) {
QScriptValueList args;
args << m_engine->toScriptValue(static_cast<QGraphicsSceneWheelEvent *>(event));
args << createWheelEventObject(static_cast<QGraphicsSceneWheelEvent *>(event));
callEventListeners("wheel", args);
return true;
}

4
scriptengines/javascript/simplejavascriptapplet.h
View File

@ -81,6 +81,10 @@ private:
void callPlasmoidFunction(const QString &functionName, const QScriptValueList &args = QScriptValueList());
void callFunction(QScriptValue &func, const QScriptValueList &args = QScriptValueList(), const QScriptValue &activator = QScriptValue());
void callEventListeners(const QString &event, const QScriptValueList &args = QScriptValueList());
QScriptValue createKeyEventObject(QKeyEvent *event);
QScriptValue createHoverEventObject(QGraphicsSceneHoverEvent *event);
QScriptValue createMouseEventObject(QGraphicsSceneMouseEvent *event);
QScriptValue createWheelEventObject(QGraphicsSceneWheelEvent *event);
static void populateAnimationsHash();
static QString findSvg(QScriptEngine *engine, const QString &file);