kwin/scripting/meta.cpp
2019-10-25 17:50:13 +03:00

256 lines
9.5 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2010 Rohan Prabhu <rohan@rohanprabhu.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "meta.h"
#include "x11client.h"
#include <QtScript/QScriptEngine>
using namespace KWin::MetaScripting;
// Meta for QPoint object
QScriptValue Point::toScriptValue(QScriptEngine* eng, const QPoint& point)
{
QScriptValue temp = eng->newObject();
temp.setProperty(QStringLiteral("x"), point.x());
temp.setProperty(QStringLiteral("y"), point.y());
return temp;
}
void Point::fromScriptValue(const QScriptValue& obj, QPoint& point)
{
QScriptValue x = obj.property(QStringLiteral("x"), QScriptValue::ResolveLocal);
QScriptValue y = obj.property(QStringLiteral("y"), QScriptValue::ResolveLocal);
if (!x.isUndefined() && !y.isUndefined()) {
point.setX(x.toInt32());
point.setY(y.toInt32());
}
}
// End of meta for QPoint object
// Meta for QSize object
QScriptValue Size::toScriptValue(QScriptEngine* eng, const QSize& size)
{
QScriptValue temp = eng->newObject();
temp.setProperty(QStringLiteral("w"), size.width());
temp.setProperty(QStringLiteral("h"), size.height());
return temp;
}
void Size::fromScriptValue(const QScriptValue& obj, QSize& size)
{
QScriptValue w = obj.property(QStringLiteral("w"), QScriptValue::ResolveLocal);
QScriptValue h = obj.property(QStringLiteral("h"), QScriptValue::ResolveLocal);
if (!w.isUndefined() && !h.isUndefined()) {
size.setWidth(w.toInt32());
size.setHeight(h.toInt32());
}
}
// End of meta for QSize object
// Meta for QRect object. Just a temporary measure, hope to
// add a much better wrapping of the QRect object soon
QScriptValue Rect::toScriptValue(QScriptEngine* eng, const QRect& rect)
{
QScriptValue temp = eng->newObject();
temp.setProperty(QStringLiteral("x"), rect.x());
temp.setProperty(QStringLiteral("y"), rect.y());
temp.setProperty(QStringLiteral("width"), rect.width());
temp.setProperty(QStringLiteral("height"), rect.height());
return temp;
}
void Rect::fromScriptValue(const QScriptValue& obj, QRect &rect)
{
QScriptValue w = obj.property(QStringLiteral("width"), QScriptValue::ResolveLocal);
QScriptValue h = obj.property(QStringLiteral("height"), QScriptValue::ResolveLocal);
QScriptValue x = obj.property(QStringLiteral("x"), QScriptValue::ResolveLocal);
QScriptValue y = obj.property(QStringLiteral("y"), QScriptValue::ResolveLocal);
if (!w.isUndefined() && !h.isUndefined() && !x.isUndefined() && !y.isUndefined()) {
rect.setX(x.toInt32());
rect.setY(y.toInt32());
rect.setWidth(w.toInt32());
rect.setHeight(h.toInt32());
}
}
// End of meta for QRect object
QScriptValue AbstractClient::toScriptValue(QScriptEngine *engine, const KAbstractClientRef &client)
{
return engine->newQObject(client, QScriptEngine::QtOwnership,
QScriptEngine::ExcludeChildObjects |
QScriptEngine::ExcludeDeleteLater |
QScriptEngine::PreferExistingWrapperObject |
QScriptEngine::AutoCreateDynamicProperties);
}
void AbstractClient::fromScriptValue(const QScriptValue &value, KWin::AbstractClient *&client)
{
client = qobject_cast<KWin::AbstractClient *>(value.toQObject());
}
QScriptValue X11Client::toScriptValue(QScriptEngine *eng, const KClientRef &client)
{
return eng->newQObject(client, QScriptEngine::QtOwnership,
QScriptEngine::ExcludeChildObjects |
QScriptEngine::ExcludeDeleteLater |
QScriptEngine::PreferExistingWrapperObject |
QScriptEngine::AutoCreateDynamicProperties);
}
void X11Client::fromScriptValue(const QScriptValue &value, KWin::X11Client *&client)
{
client = qobject_cast<KWin::X11Client *>(value.toQObject());
}
QScriptValue Toplevel::toScriptValue(QScriptEngine *eng, const KToplevelRef &client)
{
return eng->newQObject(client, QScriptEngine::QtOwnership,
QScriptEngine::ExcludeChildObjects |
QScriptEngine::ExcludeDeleteLater |
QScriptEngine::PreferExistingWrapperObject |
QScriptEngine::AutoCreateDynamicProperties);
}
void Toplevel::fromScriptValue(const QScriptValue &value, KToplevelRef &client)
{
client = qobject_cast<KWin::Toplevel*>(value.toQObject());
}
// Other helper functions
void KWin::MetaScripting::registration(QScriptEngine* eng)
{
qScriptRegisterMetaType<QPoint>(eng, Point::toScriptValue, Point::fromScriptValue);
qScriptRegisterMetaType<QSize>(eng, Size::toScriptValue, Size::fromScriptValue);
qScriptRegisterMetaType<QRect>(eng, Rect::toScriptValue, Rect::fromScriptValue);
qScriptRegisterMetaType<KAbstractClientRef>(eng, AbstractClient::toScriptValue, AbstractClient::fromScriptValue);
qScriptRegisterMetaType<KClientRef>(eng, X11Client::toScriptValue, X11Client::fromScriptValue);
qScriptRegisterMetaType<KToplevelRef>(eng, Toplevel::toScriptValue, Toplevel::fromScriptValue);
qScriptRegisterSequenceMetaType<QStringList>(eng);
qScriptRegisterSequenceMetaType< QList<KWin::AbstractClient*> >(eng);
qScriptRegisterSequenceMetaType< QList<KWin::X11Client *> >(eng);
}
QScriptValue KWin::MetaScripting::configExists(QScriptContext* ctx, QScriptEngine* eng)
{
QHash<QString, QVariant> scriptConfig = (((ctx->thisObject()).data()).toVariant()).toHash();
QVariant val = scriptConfig.value((ctx->argument(0)).toString(), QVariant());
return eng->toScriptValue<bool>(val.isValid());
}
QScriptValue KWin::MetaScripting::getConfigValue(QScriptContext* ctx, QScriptEngine* eng)
{
int num = ctx->argumentCount();
QHash<QString, QVariant> scriptConfig = (((ctx->thisObject()).data()).toVariant()).toHash();
/*
* Handle config.get() separately. Compute and return immediately.
*/
if (num == 0) {
QHash<QString, QVariant>::const_iterator i;
QScriptValue ret = eng->newArray();
for (i = scriptConfig.constBegin(); i != scriptConfig.constEnd(); ++i) {
ret.setProperty(i.key(), eng->newVariant(i.value()));
}
return ret;
}
if ((num == 1) && !((ctx->argument(0)).isArray())) {
QVariant val = scriptConfig.value((ctx->argument(0)).toString(), QVariant());
if (val.isValid()) {
return eng->newVariant(val);
} else {
return QScriptValue();
}
} else {
QScriptValue ret = eng->newArray();
int j = 0;
if ((ctx->argument(0)).isArray()) {
bool simple = (num == 1) ? 0 : (ctx->argument(1)).toBool();
QScriptValue array = (ctx->argument(0));
int len = (array.property(QStringLiteral("length")).isValid()) ? array.property(QStringLiteral("length")).toNumber() : 0;
for (int i = 0; i < len; i++) {
QVariant val = scriptConfig.value(array.property(i).toString(), QVariant());
if (val.isValid()) {
if (simple) {
ret.setProperty(j, eng->newVariant(val));
} else {
ret.setProperty(array.property(i).toString(), eng->newVariant(val));
}
j++;
}
}
} else {
for (int i = 0; i < num; i++) {
QVariant val = scriptConfig.value((ctx->argument(i)).toString(), QVariant());
if (val.isValid()) {
ret.setProperty((ctx->argument(i)).toString(), eng->newVariant(val));
j = 1;
}
}
}
if (j == 0) {
return QScriptValue();
} else {
return ret;
}
}
}
void KWin::MetaScripting::supplyConfig(QScriptEngine* eng, const QVariant& scriptConfig)
{
QScriptValue configObject = eng->newObject();
configObject.setData(eng->newVariant(scriptConfig));
configObject.setProperty(QStringLiteral("get"), eng->newFunction(getConfigValue, 0), QScriptValue::Undeletable);
configObject.setProperty(QStringLiteral("exists"), eng->newFunction(configExists, 0), QScriptValue::Undeletable);
configObject.setProperty(QStringLiteral("loaded"), ((scriptConfig.toHash().empty()) ? eng->newVariant((bool)0) : eng->newVariant((bool)1)), QScriptValue::Undeletable);
(eng->globalObject()).setProperty(QStringLiteral("config"), configObject);
}
void KWin::MetaScripting::supplyConfig(QScriptEngine* eng)
{
KWin::MetaScripting::supplyConfig(eng, QVariant(QHash<QString, QVariant>()));
}
void KWin::MetaScripting::valueMerge(QScriptValue& first, QScriptValue second)
{
QScriptValueIterator value_it(second);
while (value_it.hasNext()) {
value_it.next();
first.setProperty(value_it.name(), value_it.value());
}
}