Added bsdfb platform plugin for FreeBSD

[ChangeLog][QtGui][Platform Specific Changes] Added bsdfb
platform plugin for FreeBSD. Plugin renders directly to
framebuffer, no hardware acceleration supported.  bsdfb accepts
"fb", "size", "offset", and "mmsize" arguments with the same
format as linuxfb.

Change-Id: I5f5cea0b5ed70d5c6f8d01dc547f54c731bcae5f
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

1 files changed, 142 insertions, 0 deletions

diff --git a/src/plugins/platforms/bsdfb/qbsdfbintegration.cpp b/src/plugins/platforms/bsdfb/qbsdfbintegration.cpp
new file mode 100644
index 0000000000..edb4f4e660
--- /dev/null
+++ b/src/plugins/platforms/bsdfb/qbsdfbintegration.cpp
@@ -0,0 +1,142 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2015-2016 Oleksandr Tymoshenko <gonzo@bluezbox.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbsdfbintegration.h"
+#include "qbsdfbscreen.h"
+
+#include <QtPlatformSupport/private/qgenericunixfontdatabase_p.h>
+#include <QtPlatformSupport/private/qgenericunixservices_p.h>
+#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h>
+
+#include <QtPlatformSupport/private/qfbvthandler_p.h>
+#include <QtPlatformSupport/private/qfbbackingstore_p.h>
+#include <QtPlatformSupport/private/qfbwindow_p.h>
+#include <QtPlatformSupport/private/qfbcursor_p.h>
+
+#include <QtGui/private/qguiapplication_p.h>
+#include <qpa/qplatforminputcontext.h>
+#include <qpa/qplatforminputcontextfactory_p.h>
+
+#if !defined(QT_NO_TSLIB)
+#include <QtPlatformSupport/private/qtslib_p.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+QBsdFbIntegration::QBsdFbIntegration(const QStringList &paramList)
+{
+    m_fontDb.reset(new QGenericUnixFontDatabase);
+    m_services.reset(new QGenericUnixServices);
+    m_primaryScreen.reset(new QBsdFbScreen(paramList));
+}
+
+QBsdFbIntegration::~QBsdFbIntegration()
+{
+    destroyScreen(m_primaryScreen.data());
+}
+
+void QBsdFbIntegration::initialize()
+{
+    if (m_primaryScreen->initialize())
+        screenAdded(m_primaryScreen.data());
+    else
+        qWarning("bsdfb: Failed to initialize screen");
+
+    m_inputContext.reset(QPlatformInputContextFactory::create());
+    m_nativeInterface.reset(new QPlatformNativeInterface);
+    m_vtHandler.reset(new QFbVtHandler);
+
+    if (!qEnvironmentVariableIntValue("QT_QPA_FB_DISABLE_INPUT"))
+        createInputHandlers();
+}
+
+bool QBsdFbIntegration::hasCapability(QPlatformIntegration::Capability cap) const
+{
+    switch (cap) {
+    case ThreadedPixmaps:
+        return true;
+    case WindowManagement:
+        return false;
+    default:
+        return QPlatformIntegration::hasCapability(cap);
+    }
+}
+
+QPlatformBackingStore *QBsdFbIntegration::createPlatformBackingStore(QWindow *window) const
+{
+    return new QFbBackingStore(window);
+}
+
+QPlatformWindow *QBsdFbIntegration::createPlatformWindow(QWindow *window) const
+{
+    return new QFbWindow(window);
+}
+
+QAbstractEventDispatcher *QBsdFbIntegration::createEventDispatcher() const
+{
+    return createUnixEventDispatcher();
+}
+
+QList<QPlatformScreen *> QBsdFbIntegration::screens() const
+{
+    QList<QPlatformScreen *> list;
+    list.append(m_primaryScreen.data());
+    return list;
+}
+
+QPlatformFontDatabase *QBsdFbIntegration::fontDatabase() const
+{
+    return m_fontDb.data();
+}
+
+QPlatformServices *QBsdFbIntegration::services() const
+{
+    return m_services.data();
+}
+
+void QBsdFbIntegration::createInputHandlers()
+{
+#ifndef QT_NO_TSLIB
+    const bool useTslib = qEnvironmentVariableIntValue("QT_QPA_FB_TSLIB");
+    if (useTslib)
+        new QTsLibMouseHandler(QLatin1String("TsLib"), QString());
+#endif
+}
+
+QPlatformNativeInterface *QBsdFbIntegration::nativeInterface() const
+{
+    return m_nativeInterface.data();
+}
+
+QT_END_NAMESPACE