Rename blackberry QPA plugin to QNX

Changing the naming scheme from Blackberry to QNX in line with pattern
of using platform names.

Change-Id: I048a6a18010bc932311d63c8dde19ccab97894c8
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>

1 files changed, 315 insertions, 0 deletions

diff --git a/src/plugins/platforms/qnx/qqnxscreen.cpp b/src/plugins/platforms/qnx/qqnxscreen.cpp
new file mode 100644
index 0000000000..e0e3d6d57d
--- /dev/null
+++ b/src/plugins/platforms/qnx/qqnxscreen.cpp
@@ -0,0 +1,315 @@
+/***************************************************************************
+**
+** Copyright (C) 2011 - 2012 Research In Motion
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 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 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qqnxscreen.h"
+#include "qqnxvirtualkeyboard.h"
+#include "qqnxwindow.h"
+
+#include <QtCore/QDebug>
+#include <QtCore/QUuid>
+
+#include <errno.h>
+
+QT_BEGIN_NAMESPACE
+
+QList<QPlatformScreen *> QQnxScreen::ms_screens;
+QList<QQnxWindow*> QQnxScreen::ms_childWindows;
+
+QQnxScreen::QQnxScreen(screen_context_t screenContext, screen_display_t display, bool primaryScreen)
+    : m_screenContext(screenContext),
+      m_display(display),
+      m_rootWindow(),
+      m_primaryScreen(primaryScreen),
+      m_posted(false),
+      m_platformContext(0)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+    // Cache initial orientation of this display
+    // TODO: use ORIENTATION environment variable?
+    errno = 0;
+    int result = screen_get_display_property_iv(m_display, SCREEN_PROPERTY_ROTATION, &m_initialRotation);
+    if (result != 0) {
+        qFatal("QQnxScreen: failed to query display rotation, errno=%d", errno);
+    }
+    m_currentRotation = m_initialRotation;
+
+    // Cache size of this display in pixels
+    // TODO: use WIDTH and HEIGHT environment variables?
+    errno = 0;
+    int val[2];
+    result = screen_get_display_property_iv(m_display, SCREEN_PROPERTY_SIZE, val);
+    if (result != 0) {
+        qFatal("QQnxScreen: failed to query display size, errno=%d", errno);
+    }
+
+    m_currentGeometry = m_initialGeometry = QRect(0, 0, val[0], val[1]);
+
+    // Cache size of this display in millimeters
+    errno = 0;
+    result = screen_get_display_property_iv(m_display, SCREEN_PROPERTY_PHYSICAL_SIZE, val);
+    if (result != 0) {
+        qFatal("QQnxScreen: failed to query display physical size, errno=%d", errno);
+    }
+
+    // Peg the DPI to 96 (for now) so fonts are a reasonable size. We'll want to match
+    // everything with a QStyle later, and at that point the physical size can be used
+    // instead.
+    {
+        static const int dpi = 96;
+        int width = m_currentGeometry.width() / dpi * qreal(25.4) ;
+        int height = m_currentGeometry.height() / dpi * qreal(25.4) ;
+
+        m_currentPhysicalSize = m_initialPhysicalSize = QSize(width,height);
+    }
+
+    // We only create the root window if we are the primary display.
+    if (primaryScreen)
+        m_rootWindow = QSharedPointer<QQnxRootWindow>(new QQnxRootWindow(this));
+}
+
+QQnxScreen::~QQnxScreen()
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+}
+
+/* static */
+void QQnxScreen::createDisplays(screen_context_t context)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+    // Query number of displays
+    errno = 0;
+    int displayCount;
+    int result = screen_get_context_property_iv(context, SCREEN_PROPERTY_DISPLAY_COUNT, &displayCount);
+    if (result != 0) {
+        qFatal("QQnxScreen: failed to query display count, errno=%d", errno);
+    }
+
+    // Get all displays
+    errno = 0;
+    screen_display_t *displays = (screen_display_t *)alloca(sizeof(screen_display_t) * displayCount);
+    result = screen_get_context_property_pv(context, SCREEN_PROPERTY_DISPLAYS, (void **)displays);
+    if (result != 0) {
+        qFatal("QQnxScreen: failed to query displays, errno=%d", errno);
+    }
+
+    for (int i=0; i<displayCount; i++) {
+#if defined(QQNXSCREEN_DEBUG)
+        qDebug() << "QQnxScreen::Creating screen for display " << i;
+#endif
+        QQnxScreen *screen = new QQnxScreen(context, displays[i], i==0);
+        ms_screens.append(screen);
+    }
+}
+
+/* static */
+void QQnxScreen::destroyDisplays()
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+    qDeleteAll(ms_screens);
+    ms_screens.clear();
+
+    // We're not managing the child windows anymore so we need to clear the list.
+    ms_childWindows.clear();
+}
+
+/* static */
+int QQnxScreen::defaultDepth()
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+    static int defaultDepth = 0;
+    if (defaultDepth == 0) {
+        // check if display depth was specified in environment variable;
+        // use default value if no valid value found
+        defaultDepth = qgetenv("QQNX_DISPLAY_DEPTH").toInt();
+        if (defaultDepth != 16 && defaultDepth != 32) {
+            defaultDepth = 32;
+        }
+    }
+    return defaultDepth;
+}
+
+QRect QQnxScreen::availableGeometry() const
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+    // available geometry = total geometry - keyboard
+    int keyboardHeight = QQnxVirtualKeyboard::instance().height();
+    return QRect(m_currentGeometry.x(), m_currentGeometry.y(),
+                 m_currentGeometry.width(), m_currentGeometry.height() - keyboardHeight);
+}
+
+/*!
+    Check if the supplied angles are perpendicular to each other.
+*/
+static bool isOrthogonal(int angle1, int angle2)
+{
+    return ((angle1 - angle2) % 180) != 0;
+}
+
+void QQnxScreen::setRotation(int rotation)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO << "orientation =" << rotation;
+#endif
+    // Check if rotation changed
+    if (m_currentRotation != rotation) {
+        // Update rotation of root window
+        if (m_rootWindow)
+            m_rootWindow->setRotation(rotation);
+
+        // Swap dimensions if we've rotated 90 or 270 from initial orientation
+        if (isOrthogonal(m_currentRotation, rotation)) {
+            m_currentGeometry = QRect(0, 0, m_initialGeometry.height(), m_initialGeometry.width());
+            m_currentPhysicalSize = QSize(m_initialPhysicalSize.height(), m_initialPhysicalSize.width());
+        } else {
+            m_currentGeometry = QRect(0, 0, m_initialGeometry.width(), m_initialGeometry.height());
+            m_currentPhysicalSize = m_initialPhysicalSize;
+        }
+
+        // Resize root window if we've rotated 90 or 270 from previous orientation
+        if (isOrthogonal(m_currentRotation, rotation)) {
+#if defined(QQNXSCREEN_DEBUG)
+            qDebug() << Q_FUNC_INFO << "resize, size =" << m_currentGeometry.size();
+#endif
+            if (m_rootWindow)
+                m_rootWindow->resize(m_currentGeometry.size());
+        } else {
+            // TODO: Find one global place to flush display updates
+            // Force immediate display update if no geometry changes required
+            if (m_rootWindow)
+                m_rootWindow->flush();
+        }
+
+        // Save new rotation
+        m_currentRotation = rotation;
+    }
+}
+
+void QQnxScreen::addWindow(QQnxWindow *window)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window;
+#endif
+
+    if (ms_childWindows.contains(window))
+        return;
+
+    ms_childWindows.push_back(window);
+    QQnxScreen::updateHierarchy();
+}
+
+void QQnxScreen::removeWindow(QQnxWindow *window)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window;
+#endif
+
+    ms_childWindows.removeAll(window);
+    QQnxScreen::updateHierarchy();
+}
+
+void QQnxScreen::raiseWindow(QQnxWindow *window)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window;
+#endif
+
+    removeWindow(window);
+    ms_childWindows.push_back(window);
+    QQnxScreen::updateHierarchy();
+}
+
+void QQnxScreen::lowerWindow(QQnxWindow *window)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window;
+#endif
+
+    removeWindow(window);
+    ms_childWindows.push_front(window);
+    QQnxScreen::updateHierarchy();
+}
+
+void QQnxScreen::updateHierarchy()
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+
+    QList<QQnxWindow*>::iterator it;
+    int topZorder = 1; // root window is z-order 0, all "top" level windows are "above" it
+
+    for (it = ms_childWindows.begin(); it != ms_childWindows.end(); it++)
+        (*it)->updateZorder(topZorder);
+
+    // After a hierarchy update, we need to force a flush on all screens.
+    // Right now, all screens share a context.
+    screen_flush_context( primaryDisplay()->m_screenContext, 0 );
+}
+
+void QQnxScreen::onWindowPost(QQnxWindow *window)
+{
+#if defined(QQNXSCREEN_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+    Q_UNUSED(window)
+
+    // post app window (so navigator will show it) after first child window
+    // has posted; this only needs to happen once as the app window's content
+    // never changes
+    if (!m_posted && m_rootWindow) {
+        m_rootWindow->post();
+        m_posted = true;
+    }
+}
+
+QT_END_NAMESPACE