586 lines
22 KiB
C++
586 lines
22 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2012 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "scriptedeffect.h"
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#include "meta.h"
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#include "scriptingutils.h"
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#include "workspace_wrapper.h"
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#include "../screenedge.h"
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#include "scripting_logging.h"
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// KDE
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#include <KConfigGroup>
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#include <kconfigloader.h>
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#include <KPluginMetaData>
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// Qt
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#include <QFile>
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#include <QtScript/QScriptEngine>
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#include <QtScript/QScriptValueIterator>
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#include <QtCore/QStandardPaths>
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typedef KWin::EffectWindow* KEffectWindowRef;
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namespace KWin
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{
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QScriptValue kwinEffectScriptPrint(QScriptContext *context, QScriptEngine *engine)
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{
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ScriptedEffect *script = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
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QString result;
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for (int i = 0; i < context->argumentCount(); ++i) {
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if (i > 0) {
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result.append(QStringLiteral(" "));
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}
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result.append(context->argument(i).toString());
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}
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qCDebug(KWIN_SCRIPTING) << script->scriptFile() << ":" << result;
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return engine->undefinedValue();
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}
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QScriptValue kwinEffectScriptAnimationTime(QScriptContext *context, QScriptEngine *engine)
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{
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if (context->argumentCount() != 1) {
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return engine->undefinedValue();
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}
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if (!context->argument(0).isNumber()) {
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return engine->undefinedValue();
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}
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return Effect::animationTime(context->argument(0).toInteger());
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}
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QScriptValue kwinEffectDisplayWidth(QScriptContext *context, QScriptEngine *engine)
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{
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Q_UNUSED(context)
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Q_UNUSED(engine)
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return displayWidth();
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}
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QScriptValue kwinEffectDisplayHeight(QScriptContext *context, QScriptEngine *engine)
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{
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Q_UNUSED(context)
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Q_UNUSED(engine)
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return displayHeight();
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}
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QScriptValue kwinScriptGlobalShortcut(QScriptContext *context, QScriptEngine *engine)
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{
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return globalShortcut<KWin::ScriptedEffect*>(context, engine);
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}
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QScriptValue kwinScriptScreenEdge(QScriptContext *context, QScriptEngine *engine)
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{
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return registerScreenEdge<KWin::ScriptedEffect*>(context, engine);
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}
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struct AnimationSettings {
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enum { Type = 1<<0, Curve = 1<<1, Delay = 1<<2, Duration = 1<<3 };
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AnimationEffect::Attribute type;
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QEasingCurve::Type curve;
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FPx2 from;
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FPx2 to;
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int delay;
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uint duration;
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uint set;
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uint metaData;
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};
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AnimationSettings animationSettingsFromObject(QScriptValue &object)
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{
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AnimationSettings settings;
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settings.set = 0;
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settings.metaData = 0;
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settings.to = qscriptvalue_cast<FPx2>(object.property(QStringLiteral("to")));
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settings.from = qscriptvalue_cast<FPx2>(object.property(QStringLiteral("from")));
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QScriptValue duration = object.property(QStringLiteral("duration"));
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if (duration.isValid() && duration.isNumber()) {
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settings.duration = duration.toUInt32();
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settings.set |= AnimationSettings::Duration;
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} else {
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settings.duration = 0;
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}
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QScriptValue delay = object.property(QStringLiteral("delay"));
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if (delay.isValid() && delay.isNumber()) {
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settings.delay = delay.toInt32();
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settings.set |= AnimationSettings::Delay;
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} else {
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settings.delay = 0;
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}
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QScriptValue curve = object.property(QStringLiteral("curve"));
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if (curve.isValid() && curve.isNumber()) {
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settings.curve = static_cast<QEasingCurve::Type>(curve.toInt32());
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settings.set |= AnimationSettings::Curve;
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} else {
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settings.curve = QEasingCurve::Linear;
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}
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QScriptValue type = object.property(QStringLiteral("type"));
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if (type.isValid() && type.isNumber()) {
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settings.type = static_cast<AnimationEffect::Attribute>(type.toInt32());
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settings.set |= AnimationSettings::Type;
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} else {
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settings.type = static_cast<AnimationEffect::Attribute>(-1);
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}
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return settings;
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}
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QList<AnimationSettings> animationSettings(QScriptContext *context, ScriptedEffect *effect, EffectWindow **window)
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{
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QList<AnimationSettings> settings;
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if (!effect) {
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context->throwError(QScriptContext::ReferenceError, QStringLiteral("Internal Scripted KWin Effect error"));
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return settings;
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}
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if (context->argumentCount() != 1) {
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context->throwError(QScriptContext::SyntaxError, QStringLiteral("Exactly one argument expected"));
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return settings;
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}
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if (!context->argument(0).isObject()) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Argument needs to be an object"));
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return settings;
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}
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QScriptValue object = context->argument(0);
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QScriptValue windowProperty = object.property(QStringLiteral("window"));
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if (!windowProperty.isValid() || !windowProperty.isObject()) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Window property missing in animation options"));
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return settings;
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}
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*window = qobject_cast<EffectWindow*>(windowProperty.toQObject());
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settings << animationSettingsFromObject(object); // global
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QScriptValue animations = object.property(QStringLiteral("animations")); // array
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if (animations.isValid()) {
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if (!animations.isArray()) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Animations provided but not an array"));
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settings.clear();
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return settings;
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}
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const int length = static_cast<int>(animations.property(QStringLiteral("length")).toInteger());
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for (int i=0; i<length; ++i) {
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QScriptValue value = animations.property(QString::number(i));
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if (!value.isValid()) {
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continue;
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}
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if (value.isObject()) {
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AnimationSettings s = animationSettingsFromObject(value);
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const uint set = s.set | settings.at(0).set;
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// Catch show stoppers (incompletable animation)
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if (!(set & AnimationSettings::Type)) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Type property missing in animation options"));
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continue;
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}
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if (!(set & AnimationSettings::Duration)) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Duration property missing in animation options"));
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continue;
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}
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// Complete local animations from global settings
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if (!(s.set & AnimationSettings::Duration)) {
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s.duration = settings.at(0).duration;
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}
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if (!(s.set & AnimationSettings::Curve)) {
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s.curve = settings.at(0).curve;
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}
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if (!(s.set & AnimationSettings::Delay)) {
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s.delay = settings.at(0).delay;
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}
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s.metaData = 0;
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typedef QMap<AnimationEffect::MetaType, QString> MetaTypeMap;
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static MetaTypeMap metaTypes({
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{AnimationEffect::SourceAnchor, QStringLiteral("sourceAnchor")},
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{AnimationEffect::TargetAnchor, QStringLiteral("targetAnchor")},
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{AnimationEffect::RelativeSourceX, QStringLiteral("relativeSourceX")},
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{AnimationEffect::RelativeSourceY, QStringLiteral("relativeSourceY")},
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{AnimationEffect::RelativeTargetX, QStringLiteral("relativeTargetX")},
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{AnimationEffect::RelativeTargetY, QStringLiteral("relativeTargetY")},
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{AnimationEffect::Axis, QStringLiteral("axis")}
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});
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for (MetaTypeMap::const_iterator it = metaTypes.constBegin(),
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end = metaTypes.constEnd(); it != end; ++it) {
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QScriptValue metaVal = value.property(*it);
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if (metaVal.isValid() && metaVal.isNumber()) {
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AnimationEffect::setMetaData(it.key(), metaVal.toInt32(), s.metaData);
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}
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}
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settings << s;
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}
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}
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}
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if (settings.count() == 1) {
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const uint set = settings.at(0).set;
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if (!(set & AnimationSettings::Type)) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Type property missing in animation options"));
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settings.clear();
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}
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if (!(set & AnimationSettings::Duration)) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Duration property missing in animation options"));
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settings.clear();
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}
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} else if (!(settings.at(0).set & AnimationSettings::Type)) { // invalid global
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settings.removeAt(0); // -> get rid of it, only used to complete the others
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}
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return settings;
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}
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QScriptValue kwinEffectAnimate(QScriptContext *context, QScriptEngine *engine)
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{
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ScriptedEffect *effect = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
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EffectWindow *window;
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QList<AnimationSettings> settings = animationSettings(context, effect, &window);
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if (settings.empty()) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("No animations provided"));
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return engine->undefinedValue();
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}
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if (!window) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Window property does not contain an EffectWindow"));
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return engine->undefinedValue();
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}
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QList<QVariant> animIds;
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foreach (const AnimationSettings &setting, settings) {
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animIds << QVariant(effect->animate(window,
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setting.type,
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setting.duration,
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setting.to,
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setting.from,
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setting.metaData,
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setting.curve,
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setting.delay));
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}
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return engine->newVariant(animIds);
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}
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QScriptValue kwinEffectSet(QScriptContext *context, QScriptEngine *engine)
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{
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ScriptedEffect *effect = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
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EffectWindow *window;
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QList<AnimationSettings> settings = animationSettings(context, effect, &window);
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if (settings.empty()) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("No animations provided"));
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return engine->undefinedValue();
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}
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if (!window) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Window property does not contain an EffectWindow"));
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return engine->undefinedValue();
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}
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QList<QVariant> animIds;
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foreach (const AnimationSettings &setting, settings) {
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animIds << QVariant(effect->set(window,
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setting.type,
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setting.duration,
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setting.to,
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setting.from,
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setting.metaData,
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setting.curve,
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setting.delay));
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}
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return engine->newVariant(animIds);
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}
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QScriptValue kwinEffectCancel(QScriptContext *context, QScriptEngine *engine)
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{
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ScriptedEffect *effect = qobject_cast<ScriptedEffect*>(context->callee().data().toQObject());
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if (context->argumentCount() != 1) {
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context->throwError(QScriptContext::SyntaxError, QStringLiteral("Exactly one argument expected"));
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return engine->undefinedValue();
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}
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QVariant v = context->argument(0).toVariant();
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QList<quint64> animIds;
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bool ok = false;
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if (v.isValid()) {
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quint64 animId = v.toULongLong(&ok);
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if (ok)
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animIds << animId;
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}
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if (!ok) { // may still be a variantlist of variants being quint64
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QList<QVariant> list = v.toList();
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if (!list.isEmpty()) {
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foreach (const QVariant &vv, list) {
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quint64 animId = vv.toULongLong(&ok);
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if (ok)
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animIds << animId;
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}
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ok = !animIds.isEmpty();
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}
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}
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if (!ok) {
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context->throwError(QScriptContext::TypeError, QStringLiteral("Argument needs to be one or several quint64"));
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return engine->undefinedValue();
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}
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foreach (const quint64 &animId, animIds) {
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ok |= engine->newVariant(effect->cancel(animId)).toBool();
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}
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return engine->newVariant(ok);
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}
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QScriptValue effectWindowToScriptValue(QScriptEngine *eng, const KEffectWindowRef &window)
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{
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return eng->newQObject(window, QScriptEngine::QtOwnership,
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QScriptEngine::ExcludeChildObjects | QScriptEngine::ExcludeDeleteLater | QScriptEngine::PreferExistingWrapperObject);
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}
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void effectWindowFromScriptValue(const QScriptValue &value, EffectWindow* &window)
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{
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window = qobject_cast<EffectWindow*>(value.toQObject());
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}
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QScriptValue fpx2ToScriptValue(QScriptEngine *eng, const KWin::FPx2 &fpx2)
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{
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QScriptValue val = eng->newObject();
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val.setProperty(QStringLiteral("value1"), fpx2[0]);
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val.setProperty(QStringLiteral("value2"), fpx2[1]);
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return val;
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}
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void fpx2FromScriptValue(const QScriptValue &value, KWin::FPx2 &fpx2)
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{
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if (value.isNull()) {
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fpx2 = FPx2();
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return;
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}
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if (value.isNumber()) {
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fpx2 = FPx2(value.toNumber());
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return;
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}
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if (value.isObject()) {
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QScriptValue value1 = value.property(QStringLiteral("value1"));
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QScriptValue value2 = value.property(QStringLiteral("value2"));
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if (!value1.isValid() || !value2.isValid() || !value1.isNumber() || !value2.isNumber()) {
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qCDebug(KWIN_SCRIPTING) << "Cannot cast scripted FPx2 to C++";
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fpx2 = FPx2();
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return;
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}
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fpx2 = FPx2(value1.toNumber(), value2.toNumber());
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}
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}
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ScriptedEffect *ScriptedEffect::create(const KPluginMetaData &effect)
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{
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const QString name = effect.pluginId();
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const QString scriptName = effect.value(QStringLiteral("X-Plasma-MainScript"));
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if (scriptName.isEmpty()) {
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qCDebug(KWIN_SCRIPTING) << "X-Plasma-MainScript not set";
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return nullptr;
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}
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const QString scriptFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation,
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QStringLiteral(KWIN_NAME) + QStringLiteral("/effects/") + name + QStringLiteral("/contents/") + scriptName);
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if (scriptFile.isNull()) {
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qCDebug(KWIN_SCRIPTING) << "Could not locate the effect script";
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return nullptr;
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}
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return ScriptedEffect::create(name, scriptFile, effect.value(QStringLiteral("X-KDE-Ordering")).toInt());
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}
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ScriptedEffect *ScriptedEffect::create(const QString& effectName, const QString& pathToScript, int chainPosition)
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{
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ScriptedEffect *effect = new ScriptedEffect();
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if (!effect->init(effectName, pathToScript)) {
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delete effect;
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return nullptr;
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}
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effect->m_chainPosition = chainPosition;
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return effect;
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}
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ScriptedEffect::ScriptedEffect()
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: AnimationEffect()
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, m_engine(new QScriptEngine(this))
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, m_scriptFile(QString())
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, m_config(nullptr)
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, m_chainPosition(0)
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{
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connect(m_engine, SIGNAL(signalHandlerException(QScriptValue)), SLOT(signalHandlerException(QScriptValue)));
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}
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ScriptedEffect::~ScriptedEffect()
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{
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}
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bool ScriptedEffect::init(const QString &effectName, const QString &pathToScript)
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{
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QFile scriptFile(pathToScript);
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if (!scriptFile.open(QIODevice::ReadOnly)) {
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qCDebug(KWIN_SCRIPTING) << "Could not open script file: " << pathToScript;
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return false;
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}
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m_effectName = effectName;
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m_scriptFile = pathToScript;
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// does the effect contain an KConfigXT file?
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const QString kconfigXTFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral(KWIN_NAME) + QStringLiteral("/effects/") + m_effectName + QStringLiteral("/contents/config/main.xml"));
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if (!kconfigXTFile.isNull()) {
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KConfigGroup cg = effects->effectConfig(m_effectName);
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QFile xmlFile(kconfigXTFile);
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m_config = new KConfigLoader(cg, &xmlFile, this);
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m_config->load();
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}
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QScriptValue effectsObject = m_engine->newQObject(effects, QScriptEngine::QtOwnership, QScriptEngine::ExcludeDeleteLater);
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m_engine->globalObject().setProperty(QStringLiteral("effects"), effectsObject, QScriptValue::Undeletable);
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m_engine->globalObject().setProperty(QStringLiteral("Effect"), m_engine->newQMetaObject(&ScriptedEffect::staticMetaObject));
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#ifndef KWIN_UNIT_TEST
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m_engine->globalObject().setProperty(QStringLiteral("KWin"), m_engine->newQMetaObject(&WorkspaceWrapper::staticMetaObject));
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#endif
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m_engine->globalObject().setProperty(QStringLiteral("QEasingCurve"), m_engine->newQMetaObject(&QEasingCurve::staticMetaObject));
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m_engine->globalObject().setProperty(QStringLiteral("effect"), m_engine->newQObject(this, QScriptEngine::QtOwnership, QScriptEngine::ExcludeDeleteLater), QScriptValue::Undeletable);
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MetaScripting::registration(m_engine);
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qScriptRegisterMetaType<KEffectWindowRef>(m_engine, effectWindowToScriptValue, effectWindowFromScriptValue);
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qScriptRegisterMetaType<KWin::FPx2>(m_engine, fpx2ToScriptValue, fpx2FromScriptValue);
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qScriptRegisterSequenceMetaType<QList< KWin::EffectWindow* > >(m_engine);
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// add our print
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QScriptValue printFunc = m_engine->newFunction(kwinEffectScriptPrint);
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printFunc.setData(m_engine->newQObject(this));
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m_engine->globalObject().setProperty(QStringLiteral("print"), printFunc);
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// add our animationTime
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QScriptValue animationTimeFunc = m_engine->newFunction(kwinEffectScriptAnimationTime);
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animationTimeFunc.setData(m_engine->newQObject(this));
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m_engine->globalObject().setProperty(QStringLiteral("animationTime"), animationTimeFunc);
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// add displayWidth and displayHeight
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QScriptValue displayWidthFunc = m_engine->newFunction(kwinEffectDisplayWidth);
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m_engine->globalObject().setProperty(QStringLiteral("displayWidth"), displayWidthFunc);
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QScriptValue displayHeightFunc = m_engine->newFunction(kwinEffectDisplayHeight);
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m_engine->globalObject().setProperty(QStringLiteral("displayHeight"), displayHeightFunc);
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// add global Shortcut
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registerGlobalShortcutFunction(this, m_engine, kwinScriptGlobalShortcut);
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registerScreenEdgeFunction(this, m_engine, kwinScriptScreenEdge);
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// add the animate method
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QScriptValue animateFunc = m_engine->newFunction(kwinEffectAnimate);
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animateFunc.setData(m_engine->newQObject(this));
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m_engine->globalObject().setProperty(QStringLiteral("animate"), animateFunc);
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// and the set variant
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QScriptValue setFunc = m_engine->newFunction(kwinEffectSet);
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setFunc.setData(m_engine->newQObject(this));
|
|
m_engine->globalObject().setProperty(QStringLiteral("set"), setFunc);
|
|
|
|
// 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);
|
|
}
|
|
|
|
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, QEasingCurve::Type curve, int delay)
|
|
{
|
|
QEasingCurve qec;
|
|
if (curve < QEasingCurve::Custom)
|
|
qec.setType(curve);
|
|
else if (static_cast<int>(curve) == static_cast<int>(GaussianCurve))
|
|
qec.setCustomType(qecGaussian);
|
|
return AnimationEffect::animate(w, a, metaData, ms, to, qec, delay, from);
|
|
}
|
|
|
|
quint64 ScriptedEffect::set(KWin::EffectWindow* w, KWin::AnimationEffect::Attribute a, int ms, KWin::FPx2 to, KWin::FPx2 from, uint metaData, QEasingCurve::Type curve, int delay)
|
|
{
|
|
QEasingCurve qec;
|
|
if (curve < QEasingCurve::Custom)
|
|
qec.setType(curve);
|
|
else if (static_cast<int>(curve) == static_cast<int>(GaussianCurve))
|
|
qec.setCustomType(qecGaussian);
|
|
return AnimationEffect::set(w, a, metaData, ms, to, qec, delay, from);
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
} // namespace
|