Add DialogButtonBox

[ChangeLog][Controls] Added DialogButtonBox to provide convenience for
handling dialog buttons. DialogButtonBox is able to create a set of standard
buttons with a single line of QML code, and provides convenient accepted()
and rejected() signals.

Task-number: QTBUG-51090
Change-Id: I9b3c6ba1b2836dadf9a2ac9086be1eba214e7c4d
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 108 insertions, 0 deletions

diff --git a/src/quicktemplates2/qquickdialogbuttonbox_p_p.h b/src/quicktemplates2/qquickdialogbuttonbox_p_p.h
new file mode 100644
index 00000000..b40fb75a
--- /dev/null
+++ b/src/quicktemplates2/qquickdialogbuttonbox_p_p.h
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKDIALOGBUTTONBOX_P_P_H
+#define QQUICKDIALOGBUTTONBOX_P_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtQuickTemplates2/private/qquickcontainer_p_p.h>
+#include <QtQuickTemplates2/private/qquickdialogbuttonbox_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQuickDialogButtonBoxPrivate : public QQuickContainerPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickDialogButtonBox)
+
+public:
+    QQuickDialogButtonBoxPrivate();
+
+    static QQuickDialogButtonBoxPrivate *get(QQuickDialogButtonBox *box)
+    {
+        return box->d_func();
+    }
+
+    void itemImplicitWidthChanged(QQuickItem *item) override;
+    void itemImplicitHeightChanged(QQuickItem *item) override;
+
+    void resizeContent() override;
+    void updateLayout();
+    void handleClick();
+
+    QQuickAbstractButton *createStandardButton(QPlatformDialogHelper::StandardButton button);
+    void removeStandardButtons();
+
+    bool flat;
+    Qt::Alignment alignment;
+    QQuickDialogButtonBox::Position position;
+    QPlatformDialogHelper::StandardButtons standardButtons;
+    QQmlComponent *delegate;
+};
+
+class QQuickDialogButtonBoxAttachedPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickDialogButtonBoxAttached)
+
+public:
+    QQuickDialogButtonBoxAttachedPrivate() : buttonBox(nullptr),
+        buttonRole(QPlatformDialogHelper::InvalidRole),
+        standardButton(QPlatformDialogHelper::NoButton) { }
+
+    static QQuickDialogButtonBoxAttachedPrivate *get(QQuickDialogButtonBoxAttached *q)
+    {
+        return q->d_func();
+    }
+
+    void setButtonBox(QQuickDialogButtonBox *box);
+
+    QQuickDialogButtonBox *buttonBox;
+    QPlatformDialogHelper::ButtonRole buttonRole;
+    QPlatformDialogHelper::StandardButton standardButton;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKDIALOGBUTTONBOX_P_P_H