Import the Qt Quick Controls 2 prototype

Change-Id: Ib8c0c4160958e5cfea29a6e9df1b3f1fb19715fc
Reviewed-by: Jari-Pekka Nurmi <jpnurmi@theqtcompany.com>

1 files changed, 232 insertions, 0 deletions

diff --git a/src/controls/qquickcontrol.cpp b/src/controls/qquickcontrol.cpp
new file mode 100644
index 00000000..65db0e96
--- /dev/null
+++ b/src/controls/qquickcontrol.cpp
@@ -0,0 +1,232 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qquickcontrol_p.h"
+#include "qquickcontrol_p_p.h"
+#include "qquickabstractapplicationwindow_p.h"
+#include <QtCore/qcoreapplication.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \qmltype Control
+    \inherits Item
+    \instantiates QQuickControl
+    \inqmlmodule QtQuick.Controls
+    \brief A basic control type.
+
+    TODO
+*/
+
+QQuickControlPrivate::QQuickControlPrivate() :
+    style(Q_NULLPTR), attributes(QQuickControl::Attr_Count), background(Q_NULLPTR), padding(Q_NULLPTR)
+{
+}
+
+void QQuickControlPrivate::mirrorChange()
+{
+    Q_Q(QQuickControl);
+    q->mirrorChange();
+}
+
+void QQuickControlPrivate::resolveStyle(QQuickStyle *res)
+{
+    Q_Q(QQuickControl);
+    if (!res && q->testAttribute(QQuickControl::Attr_HasStyle))
+        return;
+
+    // lookup parent style
+    if (!res) {
+        QQuickItem *item = q->parentItem();
+        while (!res && item) {
+            QQuickControl *control = qobject_cast<QQuickControl *>(item);
+            if (control && control->testAttribute(QQuickControl::Attr_HasStyle))
+                res = control->style();
+            item = item->parentItem();
+        }
+    }
+
+    // fallback to window or global style
+    if (!res) {
+        QQuickAbstractApplicationWindow *aw = qobject_cast<QQuickAbstractApplicationWindow *>(window);
+        if (aw)
+            res = aw->style();
+        if (!res)
+            res = QQuickStyle::instance(qmlEngine(q));
+    }
+
+    if (style != res) {
+        style = res;
+        emit q->styleChanged();
+    }
+}
+
+QQuickControl::QQuickControl(QQuickItem *parent) :
+    QQuickItem(*(new QQuickControlPrivate), parent)
+{
+}
+
+QQuickControl::QQuickControl(QQuickControlPrivate &dd, QQuickItem *parent) :
+    QQuickItem(dd, parent)
+{
+}
+
+/*!
+    \qmlpropertygroup QtQuickControls2::Control::padding
+    \qmlproperty real QtQuickControls2::Control::padding.top
+    \qmlproperty real QtQuickControls2::Control::padding.left
+    \qmlproperty real QtQuickControls2::Control::padding.right
+    \qmlproperty real QtQuickControls2::Control::padding.bottom
+
+    This property holds the padding.
+*/
+QQuickPadding *QQuickControl::padding() const
+{
+    Q_D(const QQuickControl);
+    if (!d->padding)
+        d->padding = new QQuickPadding(const_cast<QQuickControl *>(this));
+    return d->padding;
+}
+
+/*!
+    \qmlproperty Style QtQuickControls2::Control::style
+
+    This property holds the style.
+*/
+QQuickStyle *QQuickControl::style() const
+{
+    Q_D(const QQuickControl);
+    if (!d->style)
+        const_cast<QQuickControl *>(this)->d_func()->resolveStyle();
+    return d->style;
+}
+
+void QQuickControl::setStyle(QQuickStyle *style)
+{
+    Q_D(QQuickControl);
+    if (d->style != style) {
+        setAttribute(Attr_HasStyle, style);
+        d->resolveStyle(style);
+
+        QEvent change(QEvent::StyleChange);
+        foreach (QQuickControl *control, findChildren<QQuickControl *>())
+            QCoreApplication::sendEvent(control, &change);
+    }
+}
+
+void QQuickControl::resetStyle()
+{
+    setStyle(Q_NULLPTR);
+}
+
+/*!
+    \qmlproperty Item QtQuickControls2::Control::background
+
+    This property holds the background item.
+*/
+QQuickItem *QQuickControl::background() const
+{
+    Q_D(const QQuickControl);
+    return d->background;
+}
+
+void QQuickControl::setBackground(QQuickItem *background)
+{
+    Q_D(QQuickControl);
+    if (d->background != background) {
+        delete d->background;
+        d->background = background;
+        if (background) {
+            background->setParentItem(this);
+            if (qFuzzyIsNull(background->z()))
+                background->setZ(-1);
+        }
+        emit backgroundChanged();
+    }
+}
+
+bool QQuickControl::testAttribute(Attribute attribute) const
+{
+    Q_D(const QQuickControl);
+    return d->attributes.testBit(attribute);
+}
+
+void QQuickControl::setAttribute(Attribute attribute, bool on)
+{
+    Q_D(QQuickControl);
+    d->attributes.setBit(attribute, on);
+}
+
+bool QQuickControl::event(QEvent *event)
+{
+    Q_D(QQuickControl);
+    if (event->type() == QEvent::StyleChange)
+        d->resolveStyle();
+    return QQuickItem::event(event);
+}
+
+void QQuickControl::itemChange(ItemChange change, const ItemChangeData &data)
+{
+    Q_D(QQuickControl);
+    QQuickItem::itemChange(change, data);
+    if (change == ItemSceneChange || change == ItemParentHasChanged)
+        d->resolveStyle();
+}
+
+void QQuickControl::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
+{
+    Q_D(QQuickControl);
+    QQuickItem::geometryChanged(newGeometry, oldGeometry);
+    if (d->background) {
+        QQuickItemPrivate *p = QQuickItemPrivate::get(d->background);
+        if (!p->widthValid || qFuzzyCompare(d->background->width(), oldGeometry.width()))
+            d->background->setWidth(newGeometry.width());
+        if (!p->heightValid || qFuzzyCompare(d->background->height(), oldGeometry.height()))
+            d->background->setHeight(newGeometry.height());
+    }
+}
+
+bool QQuickControl::isMirrored() const
+{
+    Q_D(const QQuickControl);
+    return d->isMirrored();
+}
+
+void QQuickControl::mirrorChange()
+{
+}
+
+QT_END_NAMESPACE