Dialog: add implicit header and footer size properties

[ChangeLog][Controls][Dialog] Added implicitHeaderWidth, implicitHeaderHeight,
implicitFooterWidth, and implicitFooterHeight properties.

Change-Id: I0435d97cf1b6950d1ecbd5825fed1991549c59e5
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

2 files changed, 89 insertions, 0 deletions

diff --git a/src/quicktemplates2/qquickdialog.cpp b/src/quicktemplates2/qquickdialog.cpp
index dd0c9946..7d3152e2 100644
--- a/src/quicktemplates2/qquickdialog.cpp
+++ b/src/quicktemplates2/qquickdialog.cpp
@@ -186,6 +186,10 @@ QQuickDialog::QQuickDialog(QObject *parent)
     connect(d->popupItem, &QQuickPopupItem::titleChanged, this, &QQuickDialog::titleChanged);
     connect(d->popupItem, &QQuickPopupItem::headerChanged, this, &QQuickDialog::headerChanged);
     connect(d->popupItem, &QQuickPopupItem::footerChanged, this, &QQuickDialog::footerChanged);
+    connect(d->popupItem, &QQuickPopupItem::implicitHeaderWidthChanged, this, &QQuickDialog::implicitHeaderWidthChanged);
+    connect(d->popupItem, &QQuickPopupItem::implicitHeaderHeightChanged, this, &QQuickDialog::implicitHeaderHeightChanged);
+    connect(d->popupItem, &QQuickPopupItem::implicitFooterWidthChanged, this, &QQuickDialog::implicitFooterWidthChanged);
+    connect(d->popupItem, &QQuickPopupItem::implicitFooterHeightChanged, this, &QQuickDialog::implicitFooterHeightChanged);
 }
 
 /*!
@@ -408,6 +412,74 @@ void QQuickDialog::setResult(int result)
 }
 
 /*!
+    \since QtQuick.Controls 2.5 (Qt 5.12)
+    \qmlproperty real QtQuick.Controls::Dialog::implicitHeaderWidth
+    \readonly
+
+    This property holds the implicit header width.
+
+    The value is equal to \c {header && header.visible ? header.implicitWidth : 0}.
+
+    \sa implicitHeaderHeight, implicitFooterWidth
+*/
+qreal QQuickDialog::implicitHeaderWidth() const
+{
+    Q_D(const QQuickDialog);
+    return d->popupItem->implicitHeaderWidth();
+}
+
+/*!
+    \since QtQuick.Controls 2.5 (Qt 5.12)
+    \qmlproperty real QtQuick.Controls::Dialog::implicitHeaderHeight
+    \readonly
+
+    This property holds the implicit header height.
+
+    The value is equal to \c {header && header.visible ? header.implicitHeight : 0}.
+
+    \sa implicitHeaderWidth, implicitFooterHeight
+*/
+qreal QQuickDialog::implicitHeaderHeight() const
+{
+    Q_D(const QQuickDialog);
+    return d->popupItem->implicitHeaderHeight();
+}
+
+/*!
+    \since QtQuick.Controls 2.5 (Qt 5.12)
+    \qmlproperty real QtQuick.Controls::Dialog::implicitFooterWidth
+    \readonly
+
+    This property holds the implicit footer width.
+
+    The value is equal to \c {footer && footer.visible ? footer.implicitWidth : 0}.
+
+    \sa implicitFooterHeight, implicitHeaderWidth
+*/
+qreal QQuickDialog::implicitFooterWidth() const
+{
+    Q_D(const QQuickDialog);
+    return d->popupItem->implicitFooterWidth();
+}
+
+/*!
+    \since QtQuick.Controls 2.5 (Qt 5.12)
+    \qmlproperty real QtQuick.Controls::Dialog::implicitFooterHeight
+    \readonly
+
+    This property holds the implicit footer height.
+
+    The value is equal to \c {footer && footer.visible ? footer.implicitHeight : 0}.
+
+    \sa implicitFooterWidth, implicitHeaderHeight
+*/
+qreal QQuickDialog::implicitFooterHeight() const
+{
+    Q_D(const QQuickDialog);
+    return d->popupItem->implicitFooterHeight();
+}
+
+/*!
     \qmlmethod void QtQuick.Controls::Dialog::accept()
 
     Closes the dialog and emits the \l accepted() signal.
diff --git a/src/quicktemplates2/qquickdialog_p.h b/src/quicktemplates2/qquickdialog_p.h
index 1f410d13..38a1b396 100644
--- a/src/quicktemplates2/qquickdialog_p.h
+++ b/src/quicktemplates2/qquickdialog_p.h
@@ -66,6 +66,11 @@ class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickDialog : public QQuickPopup
     // 2.3 (Qt 5.10)
     Q_PROPERTY(int result READ result WRITE setResult NOTIFY resultChanged FINAL REVISION 3)
     Q_FLAGS(QPlatformDialogHelper::StandardButtons)
+    // 2.5 (Qt 5.12)
+    Q_PROPERTY(qreal implicitHeaderWidth READ implicitHeaderWidth NOTIFY implicitHeaderWidthChanged FINAL REVISION 5)
+    Q_PROPERTY(qreal implicitHeaderHeight READ implicitHeaderHeight NOTIFY implicitHeaderHeightChanged FINAL REVISION 5)
+    Q_PROPERTY(qreal implicitFooterWidth READ implicitFooterWidth NOTIFY implicitFooterWidthChanged FINAL REVISION 5)
+    Q_PROPERTY(qreal implicitFooterHeight READ implicitFooterHeight NOTIFY implicitFooterHeightChanged FINAL REVISION 5)
 
 public:
     explicit QQuickDialog(QObject *parent = nullptr);
@@ -90,6 +95,13 @@ public:
     int result() const;
     void setResult(int result);
 
+    // 2.5 (Qt 5.12)
+    qreal implicitHeaderWidth() const;
+    qreal implicitHeaderHeight() const;
+
+    qreal implicitFooterWidth() const;
+    qreal implicitFooterHeight() const;
+
 public Q_SLOTS:
     virtual void accept();
     virtual void reject();
@@ -108,6 +120,11 @@ Q_SIGNALS:
     Q_REVISION(3) void discarded();
     Q_REVISION(3) void helpRequested();
     Q_REVISION(3) void resultChanged();
+    // 2.5 (Qt 5.12)
+    void implicitHeaderWidthChanged();
+    void implicitHeaderHeightChanged();
+    void implicitFooterWidthChanged();
+    void implicitFooterHeightChanged();
 
 protected:
 #if QT_CONFIG(accessibility)