plasma-framework/scriptengines/javascript/simplebindings/linearlayout.cpp

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/*
* Copyright 2007 Richard J. Moore <rich@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* 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 Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <QtScript/QScriptValue>
#include <QtScript/QScriptEngine>
#include <QtScript/QScriptContext>
#include <QtGui/QGraphicsAnchorLayout>
#include <QtGui/QGraphicsLayout>
#include <QtGui/QGraphicsLinearLayout>
#include <QtGui/QGraphicsGridLayout>
#include <QtGui/QGraphicsWidget>
#include <Plasma/Applet>
#include "backportglobal.h"
#include "plasmoid/appletinterface.h"
Q_DECLARE_METATYPE(QScript::Pointer<QGraphicsItem>::wrapped_pointer_type)
Q_DECLARE_METATYPE(QGraphicsWidget*)
Q_DECLARE_METATYPE(QGraphicsLayout*)
Q_DECLARE_METATYPE(QGraphicsLayoutItem*)
Q_DECLARE_METATYPE(QGraphicsAnchorLayout*)
Q_DECLARE_METATYPE(QGraphicsGridLayout*)
DECLARE_POINTER_METATYPE(QGraphicsLinearLayout)
DECLARE_VOID_NUMBER_METHOD(QGraphicsLinearLayout, removeAt)
DECLARE_VOID_NUMBER_NUMBER_METHOD(QGraphicsLinearLayout, insertStretch)
DECLARE_VOID_NUMBER_NUMBER_METHOD(QGraphicsLinearLayout, setItemSpacing)
DECLARE_VOID_QUAD_NUMBER_METHOD(QGraphicsLinearLayout, setContentsMargins)
/////////////////////////////////////////////////////////////
// Q_DECLARE_METATYPE(QGraphicsLayoutItem*)
QGraphicsLayoutItem *extractLayoutItem(QScriptContext *ctx, int index = 0, bool noExistingLayout = false)
{
QScriptValue v = ctx->argument(index);
if (ctx->argumentCount() == 0 || v.isQObject()) {
QObject *object = v.toQObject();
QGraphicsWidget *w = qobject_cast<QGraphicsWidget *>(object);
if (!w) {
AppletInterface *interface = qobject_cast<AppletInterface*>(object);
if (!interface) {
interface = qobject_cast<AppletInterface*>(ctx->engine()->globalObject().property("plasmoid").toQObject());
}
if (interface) {
w = interface->applet();
}
}
if (noExistingLayout && w->layout()) {
return 0;
}
return w;
}
QVariant variant = v.toVariant();
QGraphicsLayoutItem *item = variant.value<QGraphicsLayoutItem *>();
//this is horribly ugly code, but when a QLinearLayout* is stuffed into a QVariant,
//QVariant does not know that it is a QGraphicsLayoutItem. repeat for all subclasses
//of same
if (!item) {
item = variant.value<QGraphicsLayout *>();
if (!item) {
item = variant.value<QGraphicsLinearLayout *>();
if (!item) {
item = variant.value<QGraphicsGridLayout *>();
if (!item) {
item = variant.value<QGraphicsAnchorLayout *>();
}
}
}
}
QGraphicsWidget *w = dynamic_cast<QGraphicsWidget *>(item);
if (noExistingLayout && w && w->layout()) {
return 0;
}
return item;
}
static QScriptValue ctor(QScriptContext *ctx, QScriptEngine *eng)
{
QGraphicsLayoutItem *parent = extractLayoutItem(ctx, 0, true);
//FIXME: don't leak memory when parent is 0
return qScriptValueFromValue(eng, new QGraphicsLinearLayout(parent));
}
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, orientation) {
if (ctx->argumentCount() > 0) {
self->setOrientation(static_cast<Qt::Orientation>(ctx->argument(0).toInt32()));
}
return QScriptValue(eng, static_cast<int>(self->orientation()));
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, setAlignment) {
QGraphicsLayoutItem *item = extractLayoutItem(ctx);
if (!item) {
return eng->undefinedValue();
}
self->setAlignment(item, static_cast<Qt::Alignment>(ctx->argument(1).toInt32()));
return eng->undefinedValue();
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, insertItem) {
QGraphicsLayoutItem *item = extractLayoutItem(ctx, 1);
if (!item) {
return eng->undefinedValue();
}
self->insertItem(ctx->argument(0).toInt32(), item);
return eng->undefinedValue();
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, removeItem) {
QGraphicsLayoutItem *item = extractLayoutItem(ctx);
if (!item) {
return eng->undefinedValue();
}
self->removeItem(item);
return eng->undefinedValue();
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, addStretch) {
self->addStretch(qMax(1, ctx->argument(0).toInt32()));
return eng->undefinedValue();
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, setStretchFactor) {
QGraphicsLayoutItem *item = ctx->argument(0).toVariant().value<QGraphicsLayoutItem*>();
if (!item) {
return eng->undefinedValue();
}
self->setStretchFactor(item, static_cast<Qt::Orientation>(ctx->argument(1).toInt32()));
return eng->undefinedValue();
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, addItem) {
QGraphicsLayoutItem *item = extractLayoutItem(ctx);
if (!item) {
return ctx->throwError(QScriptContext::TypeError,
"QGraphicsLinearLayout.prototype.addItem: argument is not a GraphicsLayoutItem");
}
self->addItem(item);
return eng->undefinedValue();
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsItem, toString) {
return QScriptValue(eng, "QGraphicsLinearLayout");
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, count) {
return QScriptValue(eng, self->count());
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, itemAt) {
if (ctx->argumentCount() < 1) {
return eng->undefinedValue();
}
int index = ctx->argument(0).toInt32();
return qScriptValueFromValue(eng, self->itemAt(index));
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, spacing) {
if (ctx->argumentCount() > 0) {
int pixels = ctx->argument(0).toInt32();
self->setSpacing(pixels);
}
return QScriptValue(eng, self->spacing());
} END_DECLARE_METHOD
BEGIN_DECLARE_METHOD(QGraphicsLinearLayout, activate) {
self->activate();
return eng->undefinedValue();
} END_DECLARE_METHOD
/////////////////////////////////////////////////////////////
QScriptValue constructLinearLayoutClass(QScriptEngine *eng)
{
// QScriptValue proto = QScript::wrapGVPointer<QGraphicsLinearLayout>(eng, new QGraphicsLinearLayout(), );
qRegisterMetaType<QGraphicsLayoutItem*>();
QGraphicsLayoutItem * i = new QGraphicsLinearLayout;
QVariant v;
///v.setValue<QGraphicsLayoutItem*>(i);
v.setValue<void*>(i);
QScriptValue proto = QScript::wrapPointer<QGraphicsLinearLayout>(eng, new QGraphicsLinearLayout(), QScript::UserOwnership);
const QScriptValue::PropertyFlags getter = QScriptValue::PropertyGetter;
const QScriptValue::PropertyFlags setter = QScriptValue::PropertySetter;
proto.setProperty("count", eng->newFunction(count), getter);
proto.setProperty("spacing", eng->newFunction(spacing), getter | setter);
proto.setProperty("orientation", eng->newFunction(orientation), getter | setter);
ADD_METHOD(proto, itemAt);
ADD_METHOD(proto, removeAt);
ADD_METHOD(proto, addStretch);
ADD_METHOD(proto, setStretchFactor);
ADD_METHOD(proto, setAlignment);
ADD_METHOD(proto, insertStretch);
ADD_METHOD(proto, setItemSpacing);
ADD_METHOD(proto, setContentsMargins);
ADD_METHOD(proto, addItem);
ADD_METHOD(proto, removeItem);
ADD_METHOD(proto, insertItem);
ADD_METHOD(proto, toString);
ADD_METHOD(proto, activate);
QScript::registerPointerMetaType<QGraphicsLinearLayout>(eng, proto);
QScriptValue ctorFun = eng->newFunction(ctor, proto);
//ADD_ENUM_VALUE(ctorFun, QGraphicsItem, ItemIsMovable);
return ctorFun;
}