kwin/scripting/scriptedeffect.cpp
2020-08-07 19:57:56 +00:00

862 lines
31 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2012 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "scriptedeffect.h"
#include "meta.h"
#include "scriptingutils.h"
#include "workspace_wrapper.h"
#include "../screens.h"
#include "../screenedge.h"
#include "scripting_logging.h"
// KDE
#include <KConfigGroup>
#include <kconfigloader.h>
#include <KPluginMetaData>
// Qt
#include <QFile>
#include <QtScript/QScriptEngine>
#include <QtScript/QScriptValueIterator>
#include <QStandardPaths>
typedef KWin::EffectWindow* KEffectWindowRef;
Q_DECLARE_METATYPE(KSharedConfigPtr)
namespace KWin
{
QScriptValue kwinEffectScriptPrint(QScriptContext *context, QScriptEngine *engine)
{
ScriptedEffect *script = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
QString result;
for (int i = 0; i < context->argumentCount(); ++i) {
if (i > 0) {
result.append(QLatin1Char(' '));
}
result.append(context->argument(i).toString());
}
qCDebug(KWIN_SCRIPTING) << script->scriptFile() << ":" << result;
return engine->undefinedValue();
}
QScriptValue kwinEffectScriptAnimationTime(QScriptContext *context, QScriptEngine *engine)
{
if (context->argumentCount() != 1) {
return engine->undefinedValue();
}
if (!context->argument(0).isNumber()) {
return engine->undefinedValue();
}
return Effect::animationTime(context->argument(0).toInteger());
}
QScriptValue kwinEffectDisplayWidth(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(context)
Q_UNUSED(engine)
return screens()->displaySize().width();
}
QScriptValue kwinEffectDisplayHeight(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(context)
Q_UNUSED(engine)
return screens()->displaySize().height();
}
QScriptValue kwinScriptGlobalShortcut(QScriptContext *context, QScriptEngine *engine)
{
return globalShortcut<KWin::ScriptedEffect*>(context, engine);
}
QScriptValue kwinScriptScreenEdge(QScriptContext *context, QScriptEngine *engine)
{
return registerScreenEdge<KWin::ScriptedEffect*>(context, engine);
}
QScriptValue kwinRegisterTouchScreenEdge(QScriptContext *context, QScriptEngine *engine)
{
return registerTouchScreenEdge<KWin::ScriptedEffect*>(context, engine);
}
QScriptValue kwinUnregisterTouchScreenEdge(QScriptContext *context, QScriptEngine *engine)
{
return unregisterTouchScreenEdge<KWin::ScriptedEffect*>(context, engine);
}
struct AnimationSettings {
enum {
Type = 1<<0,
Curve = 1<<1,
Delay = 1<<2,
Duration = 1<<3,
FullScreen = 1<<4,
KeepAlive = 1<<5
};
AnimationEffect::Attribute type;
QEasingCurve::Type curve;
FPx2 from;
FPx2 to;
int delay;
uint duration;
uint set;
uint metaData;
bool fullScreenEffect;
bool keepAlive;
};
AnimationSettings animationSettingsFromObject(QScriptValue &object)
{
AnimationSettings settings;
settings.set = 0;
settings.metaData = 0;
settings.to = qscriptvalue_cast<FPx2>(object.property(QStringLiteral("to")));
settings.from = qscriptvalue_cast<FPx2>(object.property(QStringLiteral("from")));
QScriptValue duration = object.property(QStringLiteral("duration"));
if (duration.isValid() && duration.isNumber()) {
settings.duration = duration.toUInt32();
settings.set |= AnimationSettings::Duration;
} else {
settings.duration = 0;
}
QScriptValue delay = object.property(QStringLiteral("delay"));
if (delay.isValid() && delay.isNumber()) {
settings.delay = delay.toInt32();
settings.set |= AnimationSettings::Delay;
} else {
settings.delay = 0;
}
QScriptValue curve = object.property(QStringLiteral("curve"));
if (curve.isValid() && curve.isNumber()) {
settings.curve = static_cast<QEasingCurve::Type>(curve.toInt32());
settings.set |= AnimationSettings::Curve;
} else {
settings.curve = QEasingCurve::Linear;
}
QScriptValue type = object.property(QStringLiteral("type"));
if (type.isValid() && type.isNumber()) {
settings.type = static_cast<AnimationEffect::Attribute>(type.toInt32());
settings.set |= AnimationSettings::Type;
} else {
settings.type = static_cast<AnimationEffect::Attribute>(-1);
}
QScriptValue isFullScreen = object.property(QStringLiteral("fullScreen"));
if (isFullScreen.isValid() && isFullScreen.isBool()) {
settings.fullScreenEffect = isFullScreen.toBool();
settings.set |= AnimationSettings::FullScreen;
} else {
settings.fullScreenEffect = false;
}
QScriptValue keepAlive = object.property(QStringLiteral("keepAlive"));
if (keepAlive.isValid() && keepAlive.isBool()) {
settings.keepAlive = keepAlive.toBool();
settings.set |= AnimationSettings::KeepAlive;
} else {
settings.keepAlive = true;
}
return settings;
}
QList<AnimationSettings> animationSettings(QScriptContext *context, ScriptedEffect *effect, EffectWindow **window)
{
QList<AnimationSettings> settings;
if (!effect) {
context->throwError(QScriptContext::ReferenceError, QStringLiteral("Internal Scripted KWin Effect error"));
return settings;
}
if (context->argumentCount() != 1) {
context->throwError(QScriptContext::SyntaxError, QStringLiteral("Exactly one argument expected"));
return settings;
}
if (!context->argument(0).isObject()) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Argument needs to be an object"));
return settings;
}
QScriptValue object = context->argument(0);
QScriptValue windowProperty = object.property(QStringLiteral("window"));
if (!windowProperty.isValid() || !windowProperty.isObject()) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Window property missing in animation options"));
return settings;
}
*window = qobject_cast<EffectWindow*>(windowProperty.toQObject());
settings << animationSettingsFromObject(object); // global
QScriptValue animations = object.property(QStringLiteral("animations")); // array
if (animations.isValid()) {
if (!animations.isArray()) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Animations provided but not an array"));
settings.clear();
return settings;
}
const int length = static_cast<int>(animations.property(QStringLiteral("length")).toInteger());
for (int i=0; i<length; ++i) {
QScriptValue value = animations.property(QString::number(i));
if (!value.isValid()) {
continue;
}
if (value.isObject()) {
AnimationSettings s = animationSettingsFromObject(value);
const uint set = s.set | settings.at(0).set;
// Catch show stoppers (incompletable animation)
if (!(set & AnimationSettings::Type)) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Type property missing in animation options"));
continue;
}
if (!(set & AnimationSettings::Duration)) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Duration property missing in animation options"));
continue;
}
// Complete local animations from global settings
if (!(s.set & AnimationSettings::Duration)) {
s.duration = settings.at(0).duration;
}
if (!(s.set & AnimationSettings::Curve)) {
s.curve = settings.at(0).curve;
}
if (!(s.set & AnimationSettings::Delay)) {
s.delay = settings.at(0).delay;
}
if (!(s.set & AnimationSettings::FullScreen)) {
s.fullScreenEffect = settings.at(0).fullScreenEffect;
}
if (!(s.set & AnimationSettings::KeepAlive)) {
s.keepAlive = settings.at(0).keepAlive;
}
s.metaData = 0;
typedef QMap<AnimationEffect::MetaType, QString> MetaTypeMap;
static MetaTypeMap metaTypes({
{AnimationEffect::SourceAnchor, QStringLiteral("sourceAnchor")},
{AnimationEffect::TargetAnchor, QStringLiteral("targetAnchor")},
{AnimationEffect::RelativeSourceX, QStringLiteral("relativeSourceX")},
{AnimationEffect::RelativeSourceY, QStringLiteral("relativeSourceY")},
{AnimationEffect::RelativeTargetX, QStringLiteral("relativeTargetX")},
{AnimationEffect::RelativeTargetY, QStringLiteral("relativeTargetY")},
{AnimationEffect::Axis, QStringLiteral("axis")}
});
for (MetaTypeMap::const_iterator it = metaTypes.constBegin(),
end = metaTypes.constEnd(); it != end; ++it) {
QScriptValue metaVal = value.property(*it);
if (metaVal.isValid() && metaVal.isNumber()) {
AnimationEffect::setMetaData(it.key(), metaVal.toInt32(), s.metaData);
}
}
settings << s;
}
}
}
if (settings.count() == 1) {
const uint set = settings.at(0).set;
if (!(set & AnimationSettings::Type)) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Type property missing in animation options"));
settings.clear();
}
if (!(set & AnimationSettings::Duration)) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Duration property missing in animation options"));
settings.clear();
}
} else if (!(settings.at(0).set & AnimationSettings::Type)) { // invalid global
settings.removeAt(0); // -> get rid of it, only used to complete the others
}
return settings;
}
QScriptValue kwinEffectAnimate(QScriptContext *context, QScriptEngine *engine)
{
ScriptedEffect *effect = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
EffectWindow *window;
QList<AnimationSettings> settings = animationSettings(context, effect, &window);
if (settings.empty()) {
context->throwError(QScriptContext::TypeError, QStringLiteral("No animations provided"));
return engine->undefinedValue();
}
if (!window) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Window property does not contain an EffectWindow"));
return engine->undefinedValue();
}
QScriptValue array = engine->newArray(settings.length());
int i = 0;
foreach (const AnimationSettings &setting, settings) {
array.setProperty(i, (uint)effect->animate(window,
setting.type,
setting.duration,
setting.to,
setting.from,
setting.metaData,
setting.curve,
setting.delay,
setting.fullScreenEffect,
setting.keepAlive));
++i;
}
return array;
}
QScriptValue kwinEffectSet(QScriptContext *context, QScriptEngine *engine)
{
ScriptedEffect *effect = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
EffectWindow *window;
QList<AnimationSettings> settings = animationSettings(context, effect, &window);
if (settings.empty()) {
context->throwError(QScriptContext::TypeError, QStringLiteral("No animations provided"));
return engine->undefinedValue();
}
if (!window) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Window property does not contain an EffectWindow"));
return engine->undefinedValue();
}
QList<QVariant> animIds;
foreach (const AnimationSettings &setting, settings) {
animIds << QVariant(effect->set(window,
setting.type,
setting.duration,
setting.to,
setting.from,
setting.metaData,
setting.curve,
setting.delay,
setting.fullScreenEffect,
setting.keepAlive));
}
return engine->newVariant(animIds);
}
QList<quint64> animations(const QVariant &v, bool *ok)
{
QList<quint64> animIds;
*ok = false;
if (v.isValid()) {
quint64 animId = v.toULongLong(ok);
if (*ok)
animIds << animId;
}
if (!*ok) { // may still be a variantlist of variants being quint64
QList<QVariant> list = v.toList();
if (!list.isEmpty()) {
foreach (const QVariant &vv, list) {
quint64 animId = vv.toULongLong(ok);
if (*ok)
animIds << animId;
}
*ok = !animIds.isEmpty();
}
}
return animIds;
}
QScriptValue fpx2ToScriptValue(QScriptEngine *eng, const KWin::FPx2 &fpx2)
{
QScriptValue val = eng->newObject();
val.setProperty(QStringLiteral("value1"), fpx2[0]);
val.setProperty(QStringLiteral("value2"), fpx2[1]);
return val;
}
void fpx2FromScriptValue(const QScriptValue &value, KWin::FPx2 &fpx2)
{
if (value.isNull()) {
fpx2 = FPx2();
return;
}
if (value.isNumber()) {
fpx2 = FPx2(value.toNumber());
return;
}
if (value.isObject()) {
QScriptValue value1 = value.property(QStringLiteral("value1"));
QScriptValue value2 = value.property(QStringLiteral("value2"));
if (!value1.isValid() || !value2.isValid() || !value1.isNumber() || !value2.isNumber()) {
qCDebug(KWIN_SCRIPTING) << "Cannot cast scripted FPx2 to C++";
fpx2 = FPx2();
return;
}
fpx2 = FPx2(value1.toNumber(), value2.toNumber());
}
}
QScriptValue kwinEffectRetarget(QScriptContext *context, QScriptEngine *engine)
{
ScriptedEffect *effect = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
if (context->argumentCount() < 2 || context->argumentCount() > 3) {
context->throwError(QScriptContext::SyntaxError, QStringLiteral("2 or 3 arguments expected"));
return engine->undefinedValue();
}
QVariant v = context->argument(0).toVariant();
bool ok = false;
QList<quint64> animIds = animations(v, &ok);
if (!ok) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Argument needs to be one or several quint64"));
return engine->undefinedValue();
}
FPx2 target;
fpx2FromScriptValue(context->argument(1), target);
ok = false;
const int remainingTime = context->argumentCount() == 3 ? context->argument(2).toVariant().toInt() : -1;
foreach (const quint64 &animId, animIds) {
ok = effect->retarget(animId, target, remainingTime);
if (!ok) {
break;
}
}
return QScriptValue(ok);
}
QScriptValue kwinEffectRedirect(QScriptContext *context, QScriptEngine *engine)
{
if (context->argumentCount() != 2 && context->argumentCount() != 3) {
const QString errorMessage = QStringLiteral("redirect() takes either 2 or 3 arguments (%1 given)")
.arg(context->argumentCount());
context->throwError(QScriptContext::SyntaxError, errorMessage);
return engine->undefinedValue();
}
bool ok = false;
QList<quint64> animationIds = animations(context->argument(0).toVariant(), &ok);
if (!ok) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Argument needs to be one or several quint64"));
return engine->undefinedValue();
}
const QScriptValue wrappedDirection = context->argument(1);
if (!wrappedDirection.isNumber()) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Direction has invalid type"));
return engine->undefinedValue();
}
const auto direction = static_cast<AnimationEffect::Direction>(wrappedDirection.toInt32());
switch (direction) {
case AnimationEffect::Forward:
case AnimationEffect::Backward:
break;
default:
context->throwError(QScriptContext::SyntaxError, QStringLiteral("Unknown direction"));
return engine->undefinedValue();
}
AnimationEffect::TerminationFlags terminationFlags = AnimationEffect::TerminateAtSource;
if (context->argumentCount() >= 3) {
const QScriptValue wrappedTerminationFlags = context->argument(2);
if (!wrappedTerminationFlags.isNumber()) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Termination flags argument has invalid type"));
return engine->undefinedValue();
}
terminationFlags = static_cast<AnimationEffect::TerminationFlags>(wrappedTerminationFlags.toInt32());
}
ScriptedEffect *effect = qobject_cast<ScriptedEffect *>(context->callee().data().toQObject());
for (const quint64 &animationId : qAsConst(animationIds)) {
if (!effect->redirect(animationId, direction, terminationFlags)) {
return QScriptValue(false);
}
}
return QScriptValue(true);
}
QScriptValue kwinEffectComplete(QScriptContext *context, QScriptEngine *engine)
{
if (context->argumentCount() != 1) {
const QString errorMessage = QStringLiteral("complete() takes exactly 1 arguments (%1 given)")
.arg(context->argumentCount());
context->throwError(QScriptContext::SyntaxError, errorMessage);
return engine->undefinedValue();
}
bool ok = false;
QList<quint64> animationIds = animations(context->argument(0).toVariant(), &ok);
if (!ok) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Argument needs to be one or several quint64"));
return engine->undefinedValue();
}
ScriptedEffect *effect = qobject_cast<ScriptedEffect *>(context->callee().data().toQObject());
for (const quint64 &animationId : qAsConst(animationIds)) {
if (!effect->complete(animationId)) {
return QScriptValue(false);
}
}
return QScriptValue(true);
}
QScriptValue kwinEffectCancel(QScriptContext *context, QScriptEngine *engine)
{
ScriptedEffect *effect = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
if (context->argumentCount() != 1) {
context->throwError(QScriptContext::SyntaxError, QStringLiteral("Exactly one argument expected"));
return engine->undefinedValue();
}
QVariant v = context->argument(0).toVariant();
bool ok = false;
QList<quint64> animIds = animations(v, &ok);
if (!ok) {
context->throwError(QScriptContext::TypeError, QStringLiteral("Argument needs to be one or several quint64"));
return engine->undefinedValue();
}
foreach (const quint64 &animId, animIds) {
ok |= engine->newVariant(effect->cancel(animId)).toBool();
}
return engine->newVariant(ok);
}
QScriptValue effectWindowToScriptValue(QScriptEngine *eng, const KEffectWindowRef &window)
{
return eng->newQObject(window, QScriptEngine::QtOwnership,
QScriptEngine::ExcludeChildObjects | QScriptEngine::ExcludeDeleteLater | QScriptEngine::PreferExistingWrapperObject);
}
void effectWindowFromScriptValue(const QScriptValue &value, EffectWindow* &window)
{
window = qobject_cast<EffectWindow*>(value.toQObject());
}
ScriptedEffect *ScriptedEffect::create(const KPluginMetaData &effect)
{
const QString name = effect.pluginId();
const QString scriptName = effect.value(QStringLiteral("X-Plasma-MainScript"));
if (scriptName.isEmpty()) {
qCDebug(KWIN_SCRIPTING) << "X-Plasma-MainScript not set";
return nullptr;
}
const QString scriptFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation,
QLatin1String(KWIN_NAME "/effects/") + name + QLatin1String("/contents/") + scriptName);
if (scriptFile.isNull()) {
qCDebug(KWIN_SCRIPTING) << "Could not locate the effect script";
return nullptr;
}
return ScriptedEffect::create(name, scriptFile, effect.value(QStringLiteral("X-KDE-Ordering")).toInt());
}
ScriptedEffect *ScriptedEffect::create(const QString& effectName, const QString& pathToScript, int chainPosition)
{
ScriptedEffect *effect = new ScriptedEffect();
if (!effect->init(effectName, pathToScript)) {
delete effect;
return nullptr;
}
effect->m_chainPosition = chainPosition;
return effect;
}
bool ScriptedEffect::supported()
{
return effects->animationsSupported();
}
ScriptedEffect::ScriptedEffect()
: AnimationEffect()
, m_engine(new QScriptEngine(this))
, m_scriptFile(QString())
, m_config(nullptr)
, m_chainPosition(0)
{
Q_ASSERT(effects);
connect(m_engine, SIGNAL(signalHandlerException(QScriptValue)), SLOT(signalHandlerException(QScriptValue)));
connect(effects, &EffectsHandler::activeFullScreenEffectChanged, this, [this]() {
Effect* fullScreenEffect = effects->activeFullScreenEffect();
if (fullScreenEffect == m_activeFullScreenEffect) {
return;
}
if (m_activeFullScreenEffect == this || fullScreenEffect == this) {
emit isActiveFullScreenEffectChanged();
}
m_activeFullScreenEffect = fullScreenEffect;
});
}
ScriptedEffect::~ScriptedEffect()
{
}
bool ScriptedEffect::init(const QString &effectName, const QString &pathToScript)
{
QFile scriptFile(pathToScript);
if (!scriptFile.open(QIODevice::ReadOnly)) {
qCDebug(KWIN_SCRIPTING) << "Could not open script file: " << pathToScript;
return false;
}
m_effectName = effectName;
m_scriptFile = pathToScript;
// does the effect contain an KConfigXT file?
const QString kconfigXTFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String(KWIN_NAME "/effects/") + m_effectName + QLatin1String("/contents/config/main.xml"));
if (!kconfigXTFile.isNull()) {
KConfigGroup cg = QCoreApplication::instance()->property("config").value<KSharedConfigPtr>()->group(QStringLiteral("Effect-%1").arg(m_effectName));
QFile xmlFile(kconfigXTFile);
m_config = new KConfigLoader(cg, &xmlFile, this);
m_config->load();
}
QScriptValue effectsObject = m_engine->newQObject(effects, QScriptEngine::QtOwnership, QScriptEngine::ExcludeDeleteLater);
m_engine->globalObject().setProperty(QStringLiteral("effects"), effectsObject, QScriptValue::Undeletable);
m_engine->globalObject().setProperty(QStringLiteral("Effect"), m_engine->newQMetaObject(&ScriptedEffect::staticMetaObject));
#ifndef KWIN_UNIT_TEST
m_engine->globalObject().setProperty(QStringLiteral("KWin"), m_engine->newQMetaObject(&QtScriptWorkspaceWrapper::staticMetaObject));
#endif
m_engine->globalObject().setProperty(QStringLiteral("Globals"), m_engine->newQMetaObject(&KWin::staticMetaObject));
m_engine->globalObject().setProperty(QStringLiteral("QEasingCurve"), m_engine->newQMetaObject(&QEasingCurve::staticMetaObject));
m_engine->globalObject().setProperty(QStringLiteral("effect"), m_engine->newQObject(this, QScriptEngine::QtOwnership, QScriptEngine::ExcludeDeleteLater), QScriptValue::Undeletable);
MetaScripting::registration(m_engine);
qScriptRegisterMetaType<KEffectWindowRef>(m_engine, effectWindowToScriptValue, effectWindowFromScriptValue);
qScriptRegisterMetaType<KWin::FPx2>(m_engine, fpx2ToScriptValue, fpx2FromScriptValue);
qScriptRegisterSequenceMetaType<QList< KWin::EffectWindow* > >(m_engine);
// add our print
QScriptValue printFunc = m_engine->newFunction(kwinEffectScriptPrint);
printFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("print"), printFunc);
// add our animationTime
QScriptValue animationTimeFunc = m_engine->newFunction(kwinEffectScriptAnimationTime);
animationTimeFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("animationTime"), animationTimeFunc);
// add displayWidth and displayHeight
QScriptValue displayWidthFunc = m_engine->newFunction(kwinEffectDisplayWidth);
m_engine->globalObject().setProperty(QStringLiteral("displayWidth"), displayWidthFunc);
QScriptValue displayHeightFunc = m_engine->newFunction(kwinEffectDisplayHeight);
m_engine->globalObject().setProperty(QStringLiteral("displayHeight"), displayHeightFunc);
// add global Shortcut
registerGlobalShortcutFunction(this, m_engine, kwinScriptGlobalShortcut);
registerScreenEdgeFunction(this, m_engine, kwinScriptScreenEdge);
registerTouchScreenEdgeFunction(this, m_engine, kwinRegisterTouchScreenEdge);
unregisterTouchScreenEdgeFunction(this, m_engine, kwinUnregisterTouchScreenEdge);
// add the animate method
QScriptValue animateFunc = m_engine->newFunction(kwinEffectAnimate);
animateFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("animate"), animateFunc);
// and the set variant
QScriptValue setFunc = m_engine->newFunction(kwinEffectSet);
setFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("set"), setFunc);
// retarget
QScriptValue retargetFunc = m_engine->newFunction(kwinEffectRetarget);
retargetFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("retarget"), retargetFunc);
// redirect
QScriptValue redirectFunc = m_engine->newFunction(kwinEffectRedirect);
redirectFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("redirect"), redirectFunc);
// complete
QScriptValue completeFunc = m_engine->newFunction(kwinEffectComplete);
completeFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("complete"), completeFunc);
// cancel...
QScriptValue cancelFunc = m_engine->newFunction(kwinEffectCancel);
cancelFunc.setData(m_engine->newQObject(this));
m_engine->globalObject().setProperty(QStringLiteral("cancel"), cancelFunc);
QScriptValue ret = m_engine->evaluate(QString::fromUtf8(scriptFile.readAll()));
if (ret.isError()) {
signalHandlerException(ret);
return false;
}
scriptFile.close();
return true;
}
void ScriptedEffect::animationEnded(KWin::EffectWindow *w, Attribute a, uint meta)
{
AnimationEffect::animationEnded(w, a, meta);
emit animationEnded(w, 0);
}
bool ScriptedEffect::isActiveFullScreenEffect() const
{
return effects->activeFullScreenEffect() == this;
}
void ScriptedEffect::signalHandlerException(const QScriptValue &value)
{
if (value.isError()) {
qCDebug(KWIN_SCRIPTING) << "KWin Effect script encountered an error at [Line " << m_engine->uncaughtExceptionLineNumber() << "]";
qCDebug(KWIN_SCRIPTING) << "Message: " << value.toString();
QScriptValueIterator iter(value);
while (iter.hasNext()) {
iter.next();
qCDebug(KWIN_SCRIPTING) << " " << iter.name() << ": " << iter.value().toString();
}
}
}
quint64 ScriptedEffect::animate(KWin::EffectWindow* w, KWin::AnimationEffect::Attribute a, int ms, KWin::FPx2 to, KWin::FPx2 from, uint metaData, int curve, int delay, bool fullScreen, bool keepAlive)
{
QEasingCurve qec;
if (curve < QEasingCurve::Custom)
qec.setType(static_cast<QEasingCurve::Type>(curve));
else if (curve == GaussianCurve)
qec.setCustomType(qecGaussian);
return AnimationEffect::animate(w, a, metaData, ms, to, qec, delay, from, fullScreen, keepAlive);
}
quint64 ScriptedEffect::set(KWin::EffectWindow* w, KWin::AnimationEffect::Attribute a, int ms, KWin::FPx2 to, KWin::FPx2 from, uint metaData, int curve, int delay, bool fullScreen, bool keepAlive)
{
QEasingCurve qec;
if (curve < QEasingCurve::Custom)
qec.setType(static_cast<QEasingCurve::Type>(curve));
else if (curve == GaussianCurve)
qec.setCustomType(qecGaussian);
return AnimationEffect::set(w, a, metaData, ms, to, qec, delay, from, fullScreen, keepAlive);
}
bool ScriptedEffect::retarget(quint64 animationId, KWin::FPx2 newTarget, int newRemainingTime)
{
return AnimationEffect::retarget(animationId, newTarget, newRemainingTime);
}
bool ScriptedEffect::redirect(quint64 animationId, Direction direction, TerminationFlags terminationFlags)
{
return AnimationEffect::redirect(animationId, direction, terminationFlags);
}
bool ScriptedEffect::complete(quint64 animationId)
{
return AnimationEffect::complete(animationId);
}
bool ScriptedEffect::isGrabbed(EffectWindow* w, ScriptedEffect::DataRole grabRole)
{
void *e = w->data(static_cast<KWin::DataRole>(grabRole)).value<void*>();
if (e) {
return e != this;
} else {
return false;
}
}
bool ScriptedEffect::grab(EffectWindow *w, DataRole grabRole, bool force)
{
void *grabber = w->data(grabRole).value<void *>();
if (grabber == this) {
return true;
}
if (grabber != nullptr && grabber != this && !force) {
return false;
}
w->setData(grabRole, QVariant::fromValue(static_cast<void *>(this)));
return true;
}
bool ScriptedEffect::ungrab(EffectWindow *w, DataRole grabRole)
{
void *grabber = w->data(grabRole).value<void *>();
if (grabber == nullptr) {
return true;
}
if (grabber != this) {
return false;
}
w->setData(grabRole, QVariant());
return true;
}
void ScriptedEffect::reconfigure(ReconfigureFlags flags)
{
AnimationEffect::reconfigure(flags);
if (m_config) {
m_config->read();
}
emit configChanged();
}
void ScriptedEffect::registerShortcut(QAction *a, QScriptValue callback)
{
m_shortcutCallbacks.insert(a, callback);
connect(a, SIGNAL(triggered(bool)), SLOT(globalShortcutTriggered()));
}
void ScriptedEffect::globalShortcutTriggered()
{
callGlobalShortcutCallback<KWin::ScriptedEffect*>(this, sender());
}
bool ScriptedEffect::borderActivated(ElectricBorder edge)
{
screenEdgeActivated(this, edge);
return true;
}
QVariant ScriptedEffect::readConfig(const QString &key, const QVariant defaultValue)
{
if (!m_config) {
return defaultValue;
}
return m_config->property(key);
}
bool ScriptedEffect::registerTouchScreenCallback(int edge, QScriptValue callback)
{
if (m_touchScreenEdgeCallbacks.constFind(edge) != m_touchScreenEdgeCallbacks.constEnd()) {
return false;
}
QAction *action = new QAction(this);
connect(action, &QAction::triggered, this,
[callback] {
QScriptValue invoke(callback);
invoke.call();
}
);
ScreenEdges::self()->reserveTouch(KWin::ElectricBorder(edge), action);
m_touchScreenEdgeCallbacks.insert(edge, action);
return true;
}
bool ScriptedEffect::unregisterTouchScreenCallback(int edge)
{
auto it = m_touchScreenEdgeCallbacks.find(edge);
if (it == m_touchScreenEdgeCallbacks.end()) {
return false;
}
delete it.value();
m_touchScreenEdgeCallbacks.erase(it);
return true;
}
QScriptEngine *ScriptedEffect::engine() const
{
return m_engine;
}
} // namespace