1 files changed, 328 insertions, 0 deletions
diff --git a/doc/src/snippets/code/doc_src_qtdesigner.cpp b/doc/src/snippets/code/doc_src_qtdesigner.cpp
new file mode 100644
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--- /dev/null
+++ b/doc/src/snippets/code/doc_src_qtdesigner.cpp
@@ -0,0 +1,328 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+#include <QtDesigner>
+//! [0]
+
+
+//! [2]
+QDesignerMemberSheetExtension *memberSheet  = 0;
+QExtensionManager manager = formEditor->extensionManager();
+
+memberSheet = qt_extension<QDesignerMemberSheetExtension*>(manager, widget);
+int index = memberSheet->indexOf(setEchoMode);
+memberSheet->setVisible(index, false);
+
+delete memberSheet;
+//! [2]
+
+
+//! [3]
+class MyMemberSheetExtension : public QObject,
+        public QDesignerMemberSheetExtension
+{
+    Q_OBJECT
+    Q_INTERFACES(QDesignerMemberSheetExtension)
+
+public:
+    ...
+}
+//! [3]
+
+
+//! [4]
+QObject *ANewExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    if (iid != Q_TYPEID(QDesignerMemberSheetExtension))
+        return 0;
+
+    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>
+           (object))
+        return new MyMemberSheetExtension(widget, parent);
+
+    return 0;
+}
+//! [4]
+
+
+//! [5]
+QObject *AGeneralExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);
+
+    if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {
+        return new MyTaskMenuExtension(widget, parent);
+
+    } else if (widget && (iid == Q_TYPEID(QDesignerMemberSheetExtension))) {
+        return new MyMemberSheetExtension(widget, parent);
+
+    } else {
+        return 0;
+    }
+}
+//! [5]
+
+
+//! [6]
+class MyContainerExtension : public QObject,
+       public QDesignerContainerExtension
+{
+    Q_OBJECT
+    Q_INTERFACES(QDesignerContainerExtension)
+
+public:
+    MyContainerExtension(MyCustomWidget *widget,
+                         QObject *parent = 0);
+    int count() const;
+    QWidget *widget(int index) const;
+    int currentIndex() const;
+    void setCurrentIndex(int index);
+    void addWidget(QWidget *widget);
+    void insertWidget(int index, QWidget *widget);
+    void remove(int index);
+
+private:
+    MyCustomWidget *myWidget;
+};
+//! [6]
+
+
+//! [7]
+QObject *ANewExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    if (iid != Q_TYPEID(QDesignerContainerExtension))
+        return 0;
+
+    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>
+           (object))
+        return new MyContainerExtension(widget, parent);
+
+    return 0;
+}
+//! [7]
+
+
+//! [8]
+QObject *AGeneralExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);
+
+    if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {
+        return new MyTaskMenuExtension(widget, parent);
+
+    } else if (widget && (iid == Q_TYPEID(QDesignerContainerExtension))) {
+        return new MyContainerExtension(widget, parent);
+
+    } else {
+        return 0;
+    }
+}
+//! [8]
+
+
+//! [9]
+class MyTaskMenuExtension : public QObject,
+        public QDesignerTaskMenuExtension
+{
+    Q_OBJECT
+    Q_INTERFACES(QDesignerTaskMenuExtension)
+
+public:
+    MyTaskMenuExtension(MyCustomWidget *widget, QObject *parent);
+
+    QAction *preferredEditAction() const;
+    QList<QAction *> taskActions() const;
+
+private slots:
+    void mySlot();
+
+private:
+    MyCustomWidget *widget;
+    QAction *myAction;
+};
+//! [9]
+
+
+//! [10]
+QObject *ANewExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    if (iid != Q_TYPEID(QDesignerTaskMenuExtension))
+        return 0;
+
+    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object))
+        return new MyTaskMenuExtension(widget, parent);
+
+    return 0;
+}
+//! [10]
+
+
+//! [11]
+QObject *AGeneralExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);
+
+    if (widget && (iid == Q_TYPEID(QDesignerContainerExtension))) {
+        return new MyContainerExtension(widget, parent);
+
+    } else if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {
+        return new MyTaskMenuExtension(widget, parent);
+
+    } else {
+        return 0;
+    }
+}
+//! [11]
+
+
+//! [12]
+#include customwidgetoneinterface.h
+#include customwidgettwointerface.h
+#include customwidgetthreeinterface.h
+
+#include <QtDesigner/QtDesigner>
+#include <QtCore/qplugin.h>
+
+class MyCustomWidgets: public QObject, public QDesignerCustomWidgetCollectionInterface
+{
+    Q_OBJECT
+    Q_INTERFACES(QDesignerCustomWidgetCollectionInterface)
+
+public:
+    MyCustomWidgets(QObject *parent = 0);
+
+    virtual QList<QDesignerCustomWidgetInterface*> customWidgets() const;
+
+private:
+    QList<QDesignerCustomWidgetInterface*> widgets;
+};
+//! [12]
+
+
+//! [13]
+MyCustomWidgets::MyCustomWidgets(QObject *parent)
+        : QObject(parent)
+{
+    widgets.append(new CustomWidgetOneInterface(this));
+    widgets.append(new CustomWidgetTwoInterface(this));
+    widgets.append(new CustomWidgetThreeInterface(this));
+}
+
+QList<QDesignerCustomWidgetInterface*> MyCustomWidgets::customWidgets() const
+{
+    return widgets;
+}
+
+Q_EXPORT_PLUGIN2(customwidgetsplugin, MyCustomWidgets)
+//! [13]
+
+
+//! [14]
+Q_EXPORT_PLUGIN2(customwidgetplugin, MyCustomWidget)
+//! [14]
+
+
+//! [15]
+QDesignerPropertySheetExtension *propertySheet  = 0;
+QExtensionManager manager = formEditor->extensionManager();
+
+propertySheet = qt_extension<QDesignerPropertySheetExtension*>(manager, widget);
+int index = propertySheet->indexOf(QLatin1String("margin"));
+
+propertySheet->setProperty(index, 10);
+propertySheet->setChanged(index, true);
+
+delete propertySheet;
+//! [15]
+
+
+//! [16]
+class MyPropertySheetExtension : public QObject,
+        public QDesignerPropertySheetExtension
+{
+    Q_OBJECT
+    Q_INTERFACES(QDesignerPropertySheetExtension)
+
+public:
+    ...
+}
+//! [16]
+
+
+//! [17]
+QObject *ANewExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    if (iid != Q_TYPEID(QDesignerPropertySheetExtension))
+        return 0;
+
+    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>
+           (object))
+        return new MyPropertySheetExtension(widget, parent);
+
+    return 0;
+}
+//! [17]
+
+
+//! [18]
+QObject *AGeneralExtensionFactory::createExtension(QObject *object,
+        const QString &iid, QObject *parent) const
+{
+    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);
+
+    if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {
+        return new MyTaskMenuExtension(widget, parent);
+
+    } else if (widget && (iid == Q_TYPEID(QDesignerPropertySheetExtension))) {
+        return new MyPropertySheetExtension(widget, parent);
+
+    } else {
+        return 0;
+    }
+}
+//! [18]