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, 11 insertions, 4 deletions

diff --git a/src/quicktemplates2/qquickpage.cpp b/src/quicktemplates2/qquickpage.cpp
index dd9bcc21..56a9f86e 100644
--- a/src/quicktemplates2/qquickpage.cpp
+++ b/src/quicktemplates2/qquickpage.cpp
@@ -38,6 +38,7 @@
 #include "qquickcontrol_p_p.h"
 #include "qquicktoolbar_p.h"
 #include "qquicktabbar_p.h"
+#include "qquickdialogbuttonbox_p.h"
 
 #include <QtQuick/private/qquickitemchangelistener_p.h>
 
@@ -189,8 +190,9 @@ void QQuickPage::setTitle(const QString &title)
     This property holds the page header item. The header item is positioned to
     the top, and resized to the width of the page. The default value is \c null.
 
-    \note Assigning a ToolBar or TabBar as a page header sets the respective
-    \l ToolBar::position or \l TabBar::position property automatically to \c Header.
+    \note Assigning a ToolBar, TabBar, or DialogButtonBox as a page header
+    automatically sets the respective \l ToolBar::position, \l TabBar::position,
+    or \l DialogButtonBox::position property to \c Header.
 
     \sa footer, ApplicationWindow::header
 */
@@ -223,6 +225,8 @@ void QQuickPage::setHeader(QQuickItem *header)
             toolBar->setPosition(QQuickToolBar::Header);
         else if (QQuickTabBar *tabBar = qobject_cast<QQuickTabBar *>(header))
             tabBar->setPosition(QQuickTabBar::Header);
+        else if (QQuickDialogButtonBox *buttonBox = qobject_cast<QQuickDialogButtonBox *>(header))
+            buttonBox->setPosition(QQuickDialogButtonBox::Header);
     }
     if (isComponentComplete())
         d->relayout();
@@ -235,8 +239,9 @@ void QQuickPage::setHeader(QQuickItem *header)
     This property holds the page footer item. The footer item is positioned to
     the bottom, and resized to the width of the page. The default value is \c null.
 
-    \note Assigning a ToolBar or TabBar as a page footer sets the respective
-    \l ToolBar::position or \l TabBar::position property automatically to \c Footer.
+    \note Assigning a ToolBar, TabBar, or DialogButtonBox as a page footer
+    automatically sets the respective \l ToolBar::position, \l TabBar::position,
+    or \l DialogButtonBox::position property to \c Footer.
 
     \sa header, ApplicationWindow::footer
 */
@@ -269,6 +274,8 @@ void QQuickPage::setFooter(QQuickItem *footer)
             toolBar->setPosition(QQuickToolBar::Footer);
         else if (QQuickTabBar *tabBar = qobject_cast<QQuickTabBar *>(footer))
             tabBar->setPosition(QQuickTabBar::Footer);
+        else if (QQuickDialogButtonBox *buttonBox = qobject_cast<QQuickDialogButtonBox *>(footer))
+            buttonBox->setPosition(QQuickDialogButtonBox::Header);
     }
     if (isComponentComplete())
         d->relayout();