Long live Qt 4.5!

9 files changed, 597 insertions, 0 deletions

diff --git a/demos/embeddeddialogs/No-Ones-Laughing-3.jpg b/demos/embeddeddialogs/No-Ones-Laughing-3.jpg
new file mode 100644
index 0000000..445567f
--- /dev/null
+++ b/demos/embeddeddialogs/No-Ones-Laughing-3.jpg
diff --git a/demos/embeddeddialogs/customproxy.cpp b/demos/embeddeddialogs/customproxy.cpp
new file mode 100644
index 0000000..56a0548
--- /dev/null
+++ b/demos/embeddeddialogs/customproxy.cpp
@@ -0,0 +1,156 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "customproxy.h"
+
+#include <QtGui>
+
+CustomProxy::CustomProxy(QGraphicsItem *parent, Qt::WindowFlags wFlags)
+    : QGraphicsProxyWidget(parent, wFlags), popupShown(false)
+{
+    timeLine = new QTimeLine(250, this);
+    connect(timeLine, SIGNAL(valueChanged(qreal)),
+            this, SLOT(updateStep(qreal)));
+    connect(timeLine, SIGNAL(stateChanged(QTimeLine::State)),
+            this, SLOT(stateChanged(QTimeLine::State)));
+}
+
+QRectF CustomProxy::boundingRect() const
+{
+    return QGraphicsProxyWidget::boundingRect().adjusted(0, 0, 10, 10);
+}
+
+void CustomProxy::paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                                   QWidget *widget)
+{
+    const QColor color(0, 0, 0, 64);
+   
+    QRectF r = windowFrameRect();
+    QRectF right(r.right(), r.top() + 10, 10, r.height() - 10);
+    QRectF bottom(r.left() + 10, r.bottom(), r.width(), 10);
+    bool intersectsRight = right.intersects(option->exposedRect);
+    bool intersectsBottom = bottom.intersects(option->exposedRect);
+    if (intersectsRight && intersectsBottom) {
+        QPainterPath path;
+        path.addRect(right);
+        path.addRect(bottom);
+        painter->setPen(Qt::NoPen);
+        painter->setBrush(color);
+        painter->drawPath(path);
+    } else if (intersectsBottom) {
+        painter->fillRect(bottom, color);
+    } else if (intersectsRight) {
+        painter->fillRect(right, color);
+    }
+
+    QGraphicsProxyWidget::paintWindowFrame(painter, option, widget);
+}
+
+void CustomProxy::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+    QGraphicsProxyWidget::hoverEnterEvent(event);
+    scene()->setActiveWindow(this);
+    if (timeLine->currentValue() != 1)
+        zoomIn();
+}
+
+void CustomProxy::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+    QGraphicsProxyWidget::hoverLeaveEvent(event);
+    if (!popupShown && (timeLine->direction() != QTimeLine::Backward || timeLine->currentValue() != 0))
+        zoomOut();
+}
+
+bool CustomProxy::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
+{
+    if (watched->isWindow() && (event->type() == QEvent::UngrabMouse || event->type() == QEvent::GrabMouse)) {
+        popupShown = watched->isVisible();
+        if (!popupShown && !isUnderMouse())
+            zoomOut();
+    }
+    return QGraphicsProxyWidget::sceneEventFilter(watched, event);
+}
+
+QVariant CustomProxy::itemChange(GraphicsItemChange change, const QVariant &value)
+{
+    if (change == ItemChildRemovedChange)
+        removeSceneEventFilter(this);
+    return QGraphicsProxyWidget::itemChange(change, value);
+}
+
+void CustomProxy::updateStep(qreal step)
+{
+    QRectF r = boundingRect();
+    setTransform(QTransform()
+                 .translate(r.width() / 2, r.height() / 2)
+                 .rotate(step * 30, Qt::XAxis)
+                 .rotate(step * 10, Qt::YAxis)
+                 .rotate(step * 5, Qt::ZAxis)
+                 .scale(1 + 1.5 * step, 1 + 1.5 * step)
+                 .translate(-r.width() / 2, -r.height() / 2));
+}
+
+void CustomProxy::stateChanged(QTimeLine::State state)
+{
+    if (state == QTimeLine::Running) {
+	if (timeLine->direction() == QTimeLine::Forward)
+            setCacheMode(ItemCoordinateCache);
+    } else if (state == QTimeLine::NotRunning) {
+	if (timeLine->direction() == QTimeLine::Backward)
+            setCacheMode(DeviceCoordinateCache);
+    }
+}
+
+void CustomProxy::zoomIn()
+{
+    if (timeLine->direction() != QTimeLine::Forward)
+        timeLine->setDirection(QTimeLine::Forward);
+    if (timeLine->state() == QTimeLine::NotRunning) 
+        timeLine->start();
+}
+
+void CustomProxy::zoomOut()
+{
+    if (timeLine->direction() != QTimeLine::Backward)
+        timeLine->setDirection(QTimeLine::Backward);
+    if (timeLine->state() == QTimeLine::NotRunning) 
+        timeLine->start();
+}
diff --git a/demos/embeddeddialogs/customproxy.h b/demos/embeddeddialogs/customproxy.h
new file mode 100644
index 0000000..0a5fbaf
--- /dev/null
+++ b/demos/embeddeddialogs/customproxy.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CUSTOMPROXY_H
+#define CUSTOMPROXY_H
+
+#include <QtCore/qtimeline.h>
+#include <QtGui/qgraphicsproxywidget.h>
+
+class CustomProxy : public QGraphicsProxyWidget
+{
+    Q_OBJECT
+public:
+    CustomProxy(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
+
+    QRectF boundingRect() const;
+    void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                          QWidget *widget);                          
+
+protected:
+    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+    bool sceneEventFilter(QGraphicsItem *watched, QEvent *event);
+    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+
+private slots:
+    void updateStep(qreal step);
+    void stateChanged(QTimeLine::State);
+    void zoomIn();
+    void zoomOut();
+
+private:
+    QTimeLine *timeLine;
+    bool popupShown;
+};
+
+#endif
diff --git a/demos/embeddeddialogs/embeddeddialog.cpp b/demos/embeddeddialogs/embeddeddialog.cpp
new file mode 100644
index 0000000..40f361c
--- /dev/null
+++ b/demos/embeddeddialogs/embeddeddialog.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "embeddeddialog.h"
+#include "ui_embeddeddialog.h"
+
+#include <QtGui>
+
+EmbeddedDialog::EmbeddedDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    ui = new Ui_embeddedDialog;
+    ui->setupUi(this);
+    ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight);
+
+    foreach (QString styleName, QStyleFactory::keys()) {
+        ui->style->addItem(styleName);
+        if (style()->objectName().toLower() == styleName.toLower())
+            ui->style->setCurrentIndex(ui->style->count() - 1);
+    }
+
+    connect(ui->layoutDirection, SIGNAL(activated(int)),
+            this, SLOT(layoutDirectionChanged(int)));
+    connect(ui->spacing, SIGNAL(valueChanged(int)),
+            this, SLOT(spacingChanged(int)));
+    connect(ui->fontComboBox, SIGNAL(currentFontChanged(const QFont &)),
+            this, SLOT(fontChanged(const QFont &)));
+    connect(ui->style, SIGNAL(activated(QString)),
+            this, SLOT(styleChanged(QString)));
+}
+
+EmbeddedDialog::~EmbeddedDialog()
+{
+    delete ui;
+}
+
+void EmbeddedDialog::layoutDirectionChanged(int index)
+{
+    setLayoutDirection(index == 0 ? Qt::LeftToRight : Qt::RightToLeft);
+}
+
+void EmbeddedDialog::spacingChanged(int spacing)
+{
+    layout()->setSpacing(spacing);
+    adjustSize();
+}
+
+void EmbeddedDialog::fontChanged(const QFont &font)
+{
+    setFont(font);
+}
+
+static void setStyleHelper(QWidget *widget, QStyle *style)
+{
+    widget->setStyle(style);
+    widget->setPalette(style->standardPalette());
+    foreach (QObject *child, widget->children()) {
+        if (QWidget *childWidget = qobject_cast<QWidget *>(child))
+            setStyleHelper(childWidget, style);
+    }
+}
+
+void EmbeddedDialog::styleChanged(const QString &styleName)
+{
+    QStyle *style = QStyleFactory::create(styleName);
+    if (style)
+        setStyleHelper(this, style);
+}
diff --git a/demos/embeddeddialogs/embeddeddialog.h b/demos/embeddeddialogs/embeddeddialog.h
new file mode 100644
index 0000000..787196c
--- /dev/null
+++ b/demos/embeddeddialogs/embeddeddialog.h
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef EMBEDDEDDIALOG_H
+#define EMBEDDEDDIALOG_H
+
+#include <QtGui/qdialog.h>
+
+QT_FORWARD_DECLARE_CLASS(Ui_embeddedDialog);
+
+class EmbeddedDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    EmbeddedDialog(QWidget *parent = 0);
+    ~EmbeddedDialog();
+
+private slots:
+    void layoutDirectionChanged(int index);
+    void spacingChanged(int spacing);
+    void fontChanged(const QFont &font);
+    void styleChanged(const QString &styleName);
+
+private:
+    Ui_embeddedDialog *ui;
+};
+
+#endif
diff --git a/demos/embeddeddialogs/embeddeddialog.ui b/demos/embeddeddialogs/embeddeddialog.ui
new file mode 100644
index 0000000..f967b10
--- /dev/null
+++ b/demos/embeddeddialogs/embeddeddialog.ui
@@ -0,0 +1,87 @@
+<ui version="4.0" >
+ <class>embeddedDialog</class>
+ <widget class="QDialog" name="embeddedDialog" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>407</width>
+    <height>134</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Embedded Dialog</string>
+  </property>
+  <layout class="QFormLayout" name="formLayout" >
+   <item row="0" column="0" >
+    <widget class="QLabel" name="label" >
+     <property name="text" >
+      <string>Layout Direction:</string>
+     </property>
+     <property name="buddy" >
+      <cstring>layoutDirection</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1" >
+    <widget class="QComboBox" name="layoutDirection" >
+     <item>
+      <property name="text" >
+       <string>Left to Right</string>
+      </property>
+     </item>
+     <item>
+      <property name="text" >
+       <string>Right to Left</string>
+      </property>
+     </item>
+    </widget>
+   </item>
+   <item row="1" column="0" >
+    <widget class="QLabel" name="label_2" >
+     <property name="text" >
+      <string>Select Font:</string>
+     </property>
+     <property name="buddy" >
+      <cstring>fontComboBox</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1" >
+    <widget class="QFontComboBox" name="fontComboBox" />
+   </item>
+   <item row="2" column="0" >
+    <widget class="QLabel" name="label_3" >
+     <property name="text" >
+      <string>Style:</string>
+     </property>
+     <property name="buddy" >
+      <cstring>style</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1" >
+    <widget class="QComboBox" name="style" />
+   </item>
+   <item row="3" column="0" >
+    <widget class="QLabel" name="label_4" >
+     <property name="text" >
+      <string>Layout spacing:</string>
+     </property>
+     <property name="buddy" >
+      <cstring>spacing</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1" >
+    <widget class="QSlider" name="spacing" >
+     <property name="orientation" >
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/demos/embeddeddialogs/embeddeddialogs.pro b/demos/embeddeddialogs/embeddeddialogs.pro
new file mode 100644
index 0000000..a38e3e8
--- /dev/null
+++ b/demos/embeddeddialogs/embeddeddialogs.pro
@@ -0,0 +1,17 @@
+SOURCES += main.cpp
+SOURCES += customproxy.cpp embeddeddialog.cpp
+HEADERS += customproxy.h embeddeddialog.h
+
+FORMS += embeddeddialog.ui
+RESOURCES += embeddeddialogs.qrc
+
+build_all:!build_pass {
+    CONFIG -= build_all
+    CONFIG += release
+}
+
+# install
+target.path = $$[QT_INSTALL_DEMOS]/embeddeddialogs
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS *.png *.jpg *.plist *.icns *.ico *.rc *.pro *.html *.doc images
+sources.path = $$[QT_INSTALL_DEMOS]/embeddeddialogs
+INSTALLS += target sources
diff --git a/demos/embeddeddialogs/embeddeddialogs.qrc b/demos/embeddeddialogs/embeddeddialogs.qrc
new file mode 100644
index 0000000..33be503
--- /dev/null
+++ b/demos/embeddeddialogs/embeddeddialogs.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource>
+        <file>No-Ones-Laughing-3.jpg</file>
+    </qresource>
+</RCC>
diff --git a/demos/embeddeddialogs/main.cpp b/demos/embeddeddialogs/main.cpp
new file mode 100644
index 0000000..4cf7325
--- /dev/null
+++ b/demos/embeddeddialogs/main.cpp
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "customproxy.h"
+#include "embeddeddialog.h"
+
+#include <QtGui>
+
+int main(int argc, char *argv[])
+{
+    Q_INIT_RESOURCE(embeddeddialogs);
+    QApplication app(argc, argv);
+
+    QGraphicsScene scene;
+    scene.setStickyFocus(true);
+#ifndef Q_OS_WINCE
+    const int gridSize = 10;
+#else
+    const int gridSize = 5;
+#endif
+
+    for (int y = 0; y < gridSize; ++y) {
+        for (int x = 0; x < gridSize; ++x) {
+            CustomProxy *proxy = new CustomProxy(0, Qt::Window);
+            proxy->setWidget(new EmbeddedDialog);
+
+            QRectF rect = proxy->boundingRect();
+
+            proxy->setPos(x * rect.width() * 1.05, y * rect.height() * 1.05);
+            proxy->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+
+            scene.addItem(proxy);
+            proxy->installSceneEventFilter(proxy);
+        }
+    }
+    scene.setSceneRect(scene.itemsBoundingRect());
+
+    QGraphicsView view(&scene);
+    view.scale(0.5, 0.5);
+    view.setRenderHints(view.renderHints() | QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+    view.setBackgroundBrush(QPixmap(":/No-Ones-Laughing-3.jpg"));
+    view.setCacheMode(QGraphicsView::CacheBackground);
+    view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+    view.show();
+    view.setWindowTitle("Embedded Dialogs Demo");
+    return app.exec();
+}