macOS: Split up qnsview.mm into separate category-files for major areas

Makes it easier to get an overview of the code, work on separate
sections/areas in isolation, and highlights which part of the APIs
we are using from outside of QNSView, and internally between the
different parts of QNSView.

Change-Id: Ia2c5ab9a68bf75feddba853ac20d3bb397f7564b
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>

1 files changed, 100 insertions, 0 deletions

diff --git a/src/plugins/platforms/cocoa/qnsview_touch.mm b/src/plugins/platforms/cocoa/qnsview_touch.mm
new file mode 100644
index 0000000000..e789213f70
--- /dev/null
+++ b/src/plugins/platforms/cocoa/qnsview_touch.mm
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// This file is included from qnsview.mm, and only used to organize the code
+
+Q_LOGGING_CATEGORY(lcQpaTouch, "qt.qpa.input.touch")
+
+@implementation QT_MANGLE_NAMESPACE(QNSView) (Touch)
+
+- (bool)shouldSendSingleTouch
+{
+    if (!m_platformWindow)
+        return true;
+
+    // QtWidgets expects single-point touch events, QtDeclarative does not.
+    // Until there is an API we solve this by looking at the window class type.
+    return m_platformWindow->window()->inherits("QWidgetWindow");
+}
+
+- (void)touchesBeganWithEvent:(NSEvent *)event
+{
+    if (!m_platformWindow)
+        return;
+
+    const NSTimeInterval timestamp = [event timestamp];
+    const QList<QWindowSystemInterface::TouchPoint> points = QCocoaTouch::getCurrentTouchPointList(event, [self shouldSendSingleTouch]);
+    qCDebug(lcQpaTouch) << "touchesBeganWithEvent" << points << "from device" << hex << [event deviceID];
+    QWindowSystemInterface::handleTouchEvent(m_platformWindow->window(), timestamp * 1000, QCocoaTouch::getTouchDevice(QTouchDevice::TouchPad, [event deviceID]), points);
+}
+
+- (void)touchesMovedWithEvent:(NSEvent *)event
+{
+    if (!m_platformWindow)
+        return;
+
+    const NSTimeInterval timestamp = [event timestamp];
+    const QList<QWindowSystemInterface::TouchPoint> points = QCocoaTouch::getCurrentTouchPointList(event, [self shouldSendSingleTouch]);
+    qCDebug(lcQpaTouch) << "touchesMovedWithEvent" << points << "from device" << hex << [event deviceID];
+    QWindowSystemInterface::handleTouchEvent(m_platformWindow->window(), timestamp * 1000, QCocoaTouch::getTouchDevice(QTouchDevice::TouchPad, [event deviceID]), points);
+}
+
+- (void)touchesEndedWithEvent:(NSEvent *)event
+{
+    if (!m_platformWindow)
+        return;
+
+    const NSTimeInterval timestamp = [event timestamp];
+    const QList<QWindowSystemInterface::TouchPoint> points = QCocoaTouch::getCurrentTouchPointList(event, [self shouldSendSingleTouch]);
+    qCDebug(lcQpaTouch) << "touchesEndedWithEvent" << points << "from device" << hex << [event deviceID];
+    QWindowSystemInterface::handleTouchEvent(m_platformWindow->window(), timestamp * 1000, QCocoaTouch::getTouchDevice(QTouchDevice::TouchPad, [event deviceID]), points);
+}
+
+- (void)touchesCancelledWithEvent:(NSEvent *)event
+{
+    if (!m_platformWindow)
+        return;
+
+    const NSTimeInterval timestamp = [event timestamp];
+    const QList<QWindowSystemInterface::TouchPoint> points = QCocoaTouch::getCurrentTouchPointList(event, [self shouldSendSingleTouch]);
+    qCDebug(lcQpaTouch) << "touchesCancelledWithEvent" << points << "from device" << hex << [event deviceID];
+    QWindowSystemInterface::handleTouchEvent(m_platformWindow->window(), timestamp * 1000, QCocoaTouch::getTouchDevice(QTouchDevice::TouchPad, [event deviceID]), points);
+}
+
+@end