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5852cde869
Also add one Q_PROPERTY for each coordinate (x and y) of a Point. This will enable the controller to set and get these properties. Since QObjects cannot be copied, we also need to change the Shape class to have a vector of pointers to Points, instead of actual Point structs.
127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
/*
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* Controller.cpp
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*
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* (c) 2013 Sofian Audry -- info(@)sofianaudry(.)com
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* (c) 2013 Alexandre Quessy -- alexandre(@)quessy(.)net
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* (c) 2013 Vasilis Liaskovitis -- vliaskov@gmail.com
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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 "Controller.h"
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#include <QMetaObject>
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#include <QMetaType>
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#include <iostream>
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template<class T> void Controller::registerObjType(const char* objType)
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{
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_mControllerTypes[objType] = &(T::staticMetaObject);
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}
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bool Controller::createObject(const char* objType, const char* objName)
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{
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const QMetaObject *meta = _mControllerTypes[objType];
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if (meta)
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{
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_mControllerObjects[objName] = meta->newInstance();
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//std::cout << "object creation " << objName << " succeeded\n";
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return true;
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}
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//std::cout << "object creation " << objName << " failed\n";
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return false;
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}
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bool Controller::setObjectProperty(const char* objName, const char* propName,
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const QVariant &value)
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{
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QObject *obj = _mControllerObjects[objName];
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if (obj)
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{
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if (obj->setProperty(propName, value))
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{
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//std::cout << "setproperty succeeded " << propName << "\n";
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return true;
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}
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else
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{
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//std::cout << "setproperty failed " << propName << "\n";
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return false;
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}
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}
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//std::cout << "object " << objName << " could not be found\n";
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return false;
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}
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bool Controller::getObjectProperty(const char *objName, const char *propName,
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QVariant &value)
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{
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QObject *obj = _mControllerObjects[objName];
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if (obj)
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{
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value = obj->property(propName);
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return value.isValid();
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}
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//std::cout << "Failed to get property " << propName << "\n";
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return false;
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}
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bool Controller::listObjectProperties(const char *objName, QList<QString>
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&names, QVariantList &values)
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{
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QObject *obj = _mControllerObjects[objName];
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if (obj)
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{
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const QMetaObject *metaobject = obj->metaObject();
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int count = metaobject->propertyCount();
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for (int i = 0; i < count; ++i)
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{
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QMetaProperty metaproperty = metaobject->property(i);
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const char *propname = metaproperty.name();
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names.append(QString(propname));
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values.append(obj->property(propname));
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}
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return true;
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}
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return false;
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}
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bool Controller::listObjects(const char *objType, QList<QString> &objNames)
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{
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const QMetaObject *meta = _mControllerTypes[objType];
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for (std::map<const char*, QObject*>::iterator i = _mControllerObjects.begin();
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i != _mControllerObjects.end(); i++)
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{
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const QObject *obj = i->second;
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const char *name = i->first;
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const QMetaObject *metaobject = obj->metaObject();
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if (meta == metaobject)
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{
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//std::cout << "found object " << name << " of type " << objType << " \n";
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objNames.append(name);
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}
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}
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return true;
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}
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Controller::Controller(MainWindow *owner)
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{
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_owner = owner;
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/* Register common types for properties
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* FIXME, we can provide a method for other classes to register types of their
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* properties instead of doing it in the controller constructor */
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qRegisterMetaType<int>("int");
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qRegisterMetaType<qreal>("qreal");
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registerObjType<Point>("Point");
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}
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