plasma-framework/declarativeimports/graphicswidgets/declarativetabbar.h

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/***************************************************************************
* Copyright 2010 Marco Martin <mart@kde.org> *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#ifndef DECLARATIVETABBAR
#define DECLARATIVETABBAR
#include <QtDeclarative/qdeclarative.h>
#include <QDeclarativeListProperty>
#include "plasma/widgets/tabbar.h"
class TabBarAttached : public QObject
{
Q_OBJECT
Q_PROPERTY(QString tabText READ tabText WRITE setTabText NOTIFY tabTextChanged)
public:
TabBarAttached(QObject *parent);
void setTabText(const QString& text);
QString tabText() const;
Q_SIGNALS:
void tabTextChanged(QGraphicsLayoutItem*, const QString&);
private:
QString m_tabText;
};
class DeclarativeTabBar : public Plasma::TabBar
{
Q_OBJECT
Q_PROPERTY(KTabBar *nativeWidget READ nativeWidget)
Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex)
Q_PROPERTY(int count READ count)
Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
Q_PROPERTY(bool tabBarShown READ isTabBarShown WRITE setTabBarShown)
Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children)
Q_CLASSINFO("DefaultProperty", "children")
public:
DeclarativeTabBar(QObject *parent = 0);
~DeclarativeTabBar();
QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); }
static TabBarAttached *qmlAttachedProperties(QObject *);
private Q_SLOTS:
void updateTabText(QGraphicsLayoutItem *, const QString&);
private:
static QHash<QGraphicsLayoutItem*, TabBarAttached*> m_attachedProperties;
static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) {
QString text;
DeclarativeTabBar *tabBar = static_cast<DeclarativeTabBar*>(prop->object);
if (TabBarAttached *obj = m_attachedProperties.value(item)) {
text = obj->tabText();
QObject::connect(obj, SIGNAL(tabTextChanged(QGraphicsLayoutItem*,int)),
tabBar, SLOT(updateTabText(QGraphicsLayoutItem*,int)));
}
tabBar->addTab(text, item);
}
static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
DeclarativeTabBar *tabBar = static_cast<DeclarativeTabBar*>(prop->object);
for (int i=0; i < tabBar->count(); ++i) {
tabBar->removeTab(0);
}
}
static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) {
return static_cast<DeclarativeTabBar*>(prop->object)->count();
}
static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) {
return static_cast<DeclarativeTabBar*>(prop->object)->tabAt(index);
}
};
QML_DECLARE_TYPE(DeclarativeTabBar)
QML_DECLARE_TYPEINFO(DeclarativeTabBar, QML_HAS_ATTACHED_PROPERTIES)
#endif