1 files changed, 665 insertions, 0 deletions
diff --git a/src/plugins/platforms/blackberry/qbbwindow.cpp b/src/plugins/platforms/blackberry/qbbwindow.cpp
new file mode 100644
index 0000000000..bc9f112b01
--- /dev/null
+++ b/src/plugins/platforms/blackberry/qbbwindow.cpp
@@ -0,0 +1,665 @@
+/***************************************************************************
+**
+** 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 "qbbwindow.h"
+#include "qbbglcontext.h"
+#include "qbbintegration.h"
+#include "qbbscreen.h"
+
+#include <QtGui/QWindow>
+#include <QtGui/QWindowSystemInterface>
+
+#include <QtCore/QDebug>
+
+#include <errno.h>
+
+QT_BEGIN_NAMESPACE
+
+QBBWindow::QBBWindow(QWindow *window, screen_context_t context)
+    : QPlatformWindow(window),
+      m_screenContext(context),
+      m_window(0),
+      m_currentBufferIndex(-1),
+      m_previousBufferIndex(-1),
+      m_platformOpenGLContext(0),
+      m_screen(0),
+      m_parentWindow(0),
+      m_visible(true)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window << ", size =" << window->size();
+#endif
+    int result;
+
+    // Create child QNX window
+    errno = 0;
+    result = screen_create_window_type(&m_window, m_screenContext, SCREEN_CHILD_WINDOW);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to create window, errno=%d", errno);
+    }
+
+    // Set window buffer usage based on rendering API
+    int val;
+    QSurface::SurfaceType surfaceType = window->surfaceType();
+    switch (surfaceType) {
+    case QSurface::RasterSurface:
+        val = SCREEN_USAGE_NATIVE | SCREEN_USAGE_READ | SCREEN_USAGE_WRITE;
+        break;
+    case QSurface::OpenGLSurface:
+        val = SCREEN_USAGE_OPENGL_ES2;
+        break;
+    default:
+        qFatal("QBBWindow: unsupported window API");
+        break;
+    }
+
+    errno = 0;
+    result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_USAGE, &val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window buffer usage, errno=%d", errno);
+    }
+
+    // Alpha channel is always pre-multiplied if present
+    errno = 0;
+    val = SCREEN_PRE_MULTIPLIED_ALPHA;
+    result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_ALPHA_MODE, &val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window alpha mode, errno=%d", errno);
+    }
+
+    // Make the window opaque
+    errno = 0;
+    val = SCREEN_TRANSPARENCY_NONE;
+    result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_TRANSPARENCY, &val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window transparency, errno=%d", errno);
+    }
+
+    // Set the window swap interval
+    errno = 0;
+    val = 1;
+    result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_SWAP_INTERVAL, &val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window swap interval, errno=%d", errno);
+    }
+
+    // Assign the window to the primary display (this is the default specified by screen).
+    setScreen(QBBScreen::primaryDisplay());
+
+    // Add the window to the root of the hierarchy
+    QBBScreen::addWindow(this);
+
+    // Add window to plugin's window mapper
+    QBBIntegration::addWindow(m_window, window);
+}
+
+QBBWindow::~QBBWindow()
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+    // Remove from plugin's window mapper
+    QBBIntegration::removeWindow(m_window);
+
+    // Remove from parent's Hierarchy.
+    removeFromParent();
+    QBBScreen::updateHierarchy();
+
+    // We shouldn't allow this case unless QT allows it. Does it? Or should we send the
+    // handleCloseEvent on all children when this window is deleted?
+    if (m_childWindows.size() > 0)
+        qFatal("QBBWindow: window destroyed before children!");
+
+    // Cleanup QNX window and its buffers
+    screen_destroy_window(m_window);
+}
+
+void QBBWindow::setGeometry(const QRect &rect)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window() << ", (" << rect.x() << "," << rect.y() << "," << rect.width() << "," << rect.height() << ")";
+#endif
+
+    QRect oldGeometry = geometry();
+
+    // Call base class method
+    QPlatformWindow::setGeometry(rect);
+
+    // Set window geometry equal to widget geometry
+    errno = 0;
+    int val[2];
+    val[0] = rect.x();
+    val[1] = rect.y();
+    int result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_POSITION, val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window position, errno=%d", errno);
+    }
+
+    errno = 0;
+    val[0] = rect.width();
+    val[1] = rect.height();
+    result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_SIZE, val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window size, errno=%d", errno);
+    }
+
+    // Set viewport size equal to window size
+    errno = 0;
+    result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_SOURCE_SIZE, val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window source size, errno=%d", errno);
+    }
+
+    // Now move all children.
+    QPoint offset;
+    if (!oldGeometry.isEmpty()) {
+        offset = rect.topLeft();
+        offset -= oldGeometry.topLeft();
+
+        QList<QBBWindow*>::iterator it;
+        for (it = m_childWindows.begin(); it != m_childWindows.end(); it++) {
+            (*it)->offset(offset);
+        }
+    }
+}
+
+void QBBWindow::offset(const QPoint &offset)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+    // Move self and then children.
+    QRect newGeometry = geometry();
+    newGeometry.translate(offset);
+
+    // Call the base class
+    QPlatformWindow::setGeometry(newGeometry);
+
+    int val[2];
+
+    errno = 0;
+    val[0] = newGeometry.x();
+    val[1] = newGeometry.y();
+    int result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_POSITION, val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window position, errno=%d", errno);
+    }
+
+    QList<QBBWindow*>::iterator it;
+    for (it = m_childWindows.begin(); it != m_childWindows.end(); it++) {
+        (*it)->offset(offset);
+    }
+}
+
+void QBBWindow::setVisible(bool visible)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window() << "visible =" << visible;
+#endif
+
+    m_visible = visible;
+
+    QBBWindow *root = this;
+    while (root->m_parentWindow)
+        root = root->m_parentWindow;
+
+    root->updateVisibility(root->m_visible);
+
+    window()->requestActivateWindow();
+}
+
+void QBBWindow::updateVisibility(bool parentVisible)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "parentVisible =" << parentVisible << "window =" << window();
+#endif
+    // Set window visibility
+    errno = 0;
+    int val = (m_visible && parentVisible) ? 1 : 0;
+    int result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_VISIBLE, &val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window visibility, errno=%d", errno);
+    }
+
+    QList<QBBWindow *>::iterator it;
+    for (it = m_childWindows.begin(); it != m_childWindows.end(); it++) {
+        (*it)->updateVisibility(m_visible && parentVisible);
+    }
+}
+
+void QBBWindow::setOpacity(qreal level)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window() << "opacity =" << level;
+#endif
+    // Set window global alpha
+    errno = 0;
+    int val = (int)(level * 255);
+    int result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_GLOBAL_ALPHA, &val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window global alpha, errno=%d", errno);
+    }
+
+    // TODO: How to handle children of this window? If we change all the visibilities, then
+    //       the transparency will look wrong...
+}
+
+void QBBWindow::setBufferSize(const QSize &size)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window() << "size =" << size;
+#endif
+    // Set window buffer size
+    errno = 0;
+    int val[2] = { size.width(), size.height() };
+    int result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_BUFFER_SIZE, val);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window buffer size, errno=%d", errno);
+    }
+
+    // Create window buffers if they do not exist
+    if (!hasBuffers()) {
+        // Get pixel format from EGL config if using OpenGL;
+        // otherwise inherit pixel format of window's screen
+        if (m_platformOpenGLContext != 0) {
+            val[0] = platformWindowFormatToNativeFormat(m_platformOpenGLContext->format());
+        } else {
+            val[0] = m_screen->nativeFormat();
+        }
+
+        errno = 0;
+        result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_FORMAT, val);
+        if (result != 0) {
+            qFatal("QBBWindow: failed to set window pixel format, errno=%d", errno);
+        }
+
+        errno = 0;
+        result = screen_create_window_buffers(m_window, MAX_BUFFER_COUNT);
+        if (result != 0) {
+            qFatal("QBBWindow: failed to create window buffers, errno=%d", errno);
+        }
+    }
+
+    // Cache new buffer size
+    m_bufferSize = size;
+
+    // Buffers were destroyed; reacquire them
+    m_currentBufferIndex = -1;
+    m_previousDirty = QRegion();
+    m_scrolled = QRegion();
+}
+
+QBBBuffer &QBBWindow::renderBuffer()
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+    // Check if render buffer is invalid
+    if (m_currentBufferIndex == -1) {
+        // Get all buffers available for rendering
+        errno = 0;
+        screen_buffer_t buffers[MAX_BUFFER_COUNT];
+        int result = screen_get_window_property_pv(m_window, SCREEN_PROPERTY_RENDER_BUFFERS, (void **)buffers);
+        if (result != 0) {
+            qFatal("QBBWindow: failed to query window buffers, errno=%d", errno);
+        }
+
+        // Wrap each buffer
+        for (int i = 0; i < MAX_BUFFER_COUNT; ++i) {
+            m_buffers[i] = QBBBuffer(buffers[i]);
+        }
+
+        // Use the first available render buffer
+        m_currentBufferIndex = 0;
+        m_previousBufferIndex = -1;
+    }
+
+    return m_buffers[m_currentBufferIndex];
+}
+
+void QBBWindow::scroll(const QRegion &region, int dx, int dy, bool flush)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+    copyBack(region, dx, dy, flush);
+    m_scrolled += region;
+}
+
+void QBBWindow::post(const QRegion &dirty)
+{
+    // Check if render buffer exists and something was rendered
+    if (m_currentBufferIndex != -1 && !dirty.isEmpty()) {
+#if defined(QBBWINDOW_DEBUG)
+        qDebug() << "QBBWindow::post - window =" << window();
+#endif
+        QBBBuffer &currentBuffer = m_buffers[m_currentBufferIndex];
+
+        // Copy unmodified region from old render buffer to new render buffer;
+        // required to allow partial updates
+        QRegion preserve = m_previousDirty - dirty - m_scrolled;
+        copyBack(preserve, 0, 0);
+
+        // Calculate region that changed
+        QRegion modified = preserve + dirty + m_scrolled;
+        QRect rect = modified.boundingRect();
+        int dirtyRect[4] = { rect.x(), rect.y(), rect.x() + rect.width(), rect.y() + rect.height() };
+
+        // Update the display with contents of render buffer
+        errno = 0;
+        int result = screen_post_window(m_window, currentBuffer.nativeBuffer(), 1, dirtyRect, 0);
+        if (result != 0) {
+            qFatal("QBBWindow: failed to post window buffer, errno=%d", errno);
+        }
+
+        // Advance to next nender buffer
+        m_previousBufferIndex = m_currentBufferIndex++;
+        if (m_currentBufferIndex >= MAX_BUFFER_COUNT) {
+            m_currentBufferIndex = 0;
+        }
+
+        // Save modified region and clear scrolled region
+        m_previousDirty = dirty;
+        m_scrolled = QRegion();
+
+        // Notify screen that window posted
+        if (m_screen != 0) {
+            m_screen->onWindowPost(this);
+        }
+    }
+}
+
+void QBBWindow::setScreen(QBBScreen *platformScreen)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window() << "platformScreen =" << platformScreen;
+#endif
+
+    if (m_screen == platformScreen)
+        return;
+
+    m_screen = platformScreen;
+
+    // Move window to proper screen/display
+    errno = 0;
+    screen_display_t display = platformScreen->nativeDisplay();
+    int result = screen_set_window_property_pv(m_window, SCREEN_PROPERTY_DISPLAY, (void **)&display);
+    if (result != 0) {
+        qFatal("QBBWindow: failed to set window display, errno=%d", errno);
+    }
+
+    // Add window to display's window group
+    errno = 0;
+    result = screen_join_window_group(m_window, platformScreen->windowGroupName());
+    if (result != 0) {
+        qFatal("QBBWindow: failed to join window group, errno=%d", errno);
+    }
+
+    QList<QBBWindow*>::iterator it;
+    for (it = m_childWindows.begin(); it != m_childWindows.end(); it++) {
+        // Only subwindows and tooltips need necessarily be moved to another display with the window.
+        if ((window()->windowType() & Qt::WindowType_Mask) == Qt::SubWindow ||
+            (window()->windowType() & Qt::WindowType_Mask) == Qt::ToolTip)
+            (*it)->setScreen(platformScreen);
+    }
+
+    QBBScreen::updateHierarchy();
+}
+
+void QBBWindow::removeFromParent()
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+    // Remove from old Hierarchy position
+    if (m_parentWindow) {
+        if (m_parentWindow->m_childWindows.removeAll(this))
+            m_parentWindow = 0;
+        else
+            qFatal("QBBWindow: Window Hierarchy broken; window has parent, but parent hasn't got child.");
+    } else {
+        QBBScreen::removeWindow(this);
+    }
+}
+
+void QBBWindow::setParent(const QPlatformWindow *window)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << this->window() << "platformWindow =" << window;
+#endif
+    // Cast away the const, we need to modify the hierarchy.
+    QBBWindow *newParent = 0;
+
+    if (window)
+        newParent = static_cast<QBBWindow*>((QPlatformWindow *)window);
+
+    if (newParent == m_parentWindow)
+        return;
+
+    removeFromParent();
+    m_parentWindow = newParent;
+
+    // Add to new hierarchy position.
+    if (m_parentWindow) {
+        if (m_parentWindow->m_screen != m_screen)
+            setScreen(m_parentWindow->m_screen);
+
+        m_parentWindow->m_childWindows.push_back(this);
+    } else {
+        QBBScreen::addWindow(this);
+    }
+
+    QBBScreen::updateHierarchy();
+}
+
+void QBBWindow::raise()
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+
+    QBBWindow *oldParent = m_parentWindow;
+    if (oldParent) {
+        removeFromParent();
+        oldParent->m_childWindows.push_back(this);
+    } else {
+        QBBScreen::raiseWindow(this);
+    }
+
+    QBBScreen::updateHierarchy();
+}
+
+void QBBWindow::lower()
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+
+    QBBWindow *oldParent = m_parentWindow;
+    if (oldParent) {
+        removeFromParent();
+        oldParent->m_childWindows.push_front(this);
+    } else {
+        QBBScreen::lowerWindow(this);
+    }
+
+    QBBScreen::updateHierarchy();
+}
+
+void QBBWindow::requestActivateWindow()
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+
+    // TODO: Tell screen to set keyboard focus to this window.
+
+    // Notify that we gained focus.
+    gainedFocus();
+}
+
+void QBBWindow::gainedFocus()
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+
+    // Got focus
+    QWindowSystemInterface::handleWindowActivated(window());
+}
+
+void QBBWindow::setPlatformOpenGLContext(QBBGLContext *platformOpenGLContext)
+{
+    // This function does not take ownership of the platform gl context.
+    // It is owned by the frontend QOpenGLContext
+    m_platformOpenGLContext = platformOpenGLContext;
+}
+
+void QBBWindow::updateZorder(int &topZorder)
+{
+    errno = 0;
+    int result = screen_set_window_property_iv(m_window, SCREEN_PROPERTY_ZORDER, &topZorder);
+    topZorder++;
+
+    if (result != 0)
+        qFatal("QBBWindow: failed to set window z-order=%d, errno=%d, mWindow=%p", topZorder, errno, m_window);
+
+    QList<QBBWindow*>::const_iterator it;
+
+    for (it = m_childWindows.begin(); it != m_childWindows.end(); it++)
+        (*it)->updateZorder(topZorder);
+}
+
+void QBBWindow::copyBack(const QRegion &region, int dx, int dy, bool flush)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO << "window =" << window();
+#endif
+    int result;
+
+    // Abort if previous buffer is invalid
+    if (m_previousBufferIndex == -1) {
+        return;
+    }
+
+    // Abort if nothing to copy
+    if (region.isEmpty()) {
+        return;
+    }
+
+    QBBBuffer &currentBuffer = m_buffers[m_currentBufferIndex];
+    QBBBuffer &previousBuffer = m_buffers[m_previousBufferIndex];
+
+    // Break down region into non-overlapping rectangles
+    QVector<QRect> rects = region.rects();
+    for (int i = rects.size() - 1; i >= 0; i--) {
+        // Clip rectangle to bounds of target
+        QRect rect = rects[i].intersected( currentBuffer.rect() );
+
+        if (rect.isEmpty())
+            continue;
+
+        // Setup blit operation
+        int attribs[] = { SCREEN_BLIT_SOURCE_X, rect.x(),
+                          SCREEN_BLIT_SOURCE_Y, rect.y(),
+                          SCREEN_BLIT_SOURCE_WIDTH, rect.width(),
+                          SCREEN_BLIT_SOURCE_HEIGHT, rect.height(),
+                          SCREEN_BLIT_DESTINATION_X, rect.x() + dx,
+                          SCREEN_BLIT_DESTINATION_Y, rect.y() + dy,
+                          SCREEN_BLIT_DESTINATION_WIDTH, rect.width(),
+                          SCREEN_BLIT_DESTINATION_HEIGHT, rect.height(),
+                          SCREEN_BLIT_END };
+
+        // Queue blit operation
+        errno = 0;
+        result = screen_blit(m_screenContext, currentBuffer.nativeBuffer(), previousBuffer.nativeBuffer(), attribs);
+        if (result != 0) {
+            qFatal("QBBWindow: failed to blit buffers, errno=%d", errno);
+        }
+    }
+
+    // Check if flush requested
+    if (flush) {
+        // Wait for all blits to complete
+        errno = 0;
+        result = screen_flush_blits(m_screenContext, SCREEN_WAIT_IDLE);
+        if (result != 0) {
+            qFatal("QBBWindow: failed to flush blits, errno=%d", errno);
+        }
+
+        // Buffer was modified outside the CPU
+        currentBuffer.invalidateInCache();
+    }
+}
+
+int QBBWindow::platformWindowFormatToNativeFormat(const QSurfaceFormat &format)
+{
+#if defined(QBBWINDOW_DEBUG)
+    qDebug() << Q_FUNC_INFO;
+#endif
+    // Extract size of colour channels from window format
+    int redSize = format.redBufferSize();
+    if (redSize == -1) {
+        qFatal("QBBWindow: red size not defined");
+    }
+
+    int greenSize = format.greenBufferSize();
+    if (greenSize == -1) {
+        qFatal("QBBWindow: green size not defined");
+    }
+
+    int blueSize = format.blueBufferSize();
+    if (blueSize == -1) {
+        qFatal("QBBWindow: blue size not defined");
+    }
+
+    // select matching native format
+    if (redSize == 5 && greenSize == 6 && blueSize == 5) {
+        return SCREEN_FORMAT_RGB565;
+    } else if (redSize == 8 && greenSize == 8 && blueSize == 8) {
+        return SCREEN_FORMAT_RGBA8888;
+    } else {
+        qFatal("QBBWindow: unsupported pixel format");
+        return 0;
+    }
+}
+
+QT_END_NAMESPACE