diff options
Diffstat (limited to 'src/plugins/platforms/blackberry/qbbscreen.cpp')
-rw-r--r-- | src/plugins/platforms/blackberry/qbbscreen.cpp | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/src/plugins/platforms/blackberry/qbbscreen.cpp b/src/plugins/platforms/blackberry/qbbscreen.cpp new file mode 100644 index 0000000000..39d2136b7d --- /dev/null +++ b/src/plugins/platforms/blackberry/qbbscreen.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 "qbbscreen.h" +#include "qbbvirtualkeyboard.h" +#include "qbbwindow.h" + +#include <QtCore/QDebug> +#include <QtCore/QUuid> + +#include <errno.h> + +QT_BEGIN_NAMESPACE + +QList<QPlatformScreen *> QBBScreen::ms_screens; +QList<QBBWindow*> QBBScreen::ms_childWindows; + +QBBScreen::QBBScreen(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(QBBSCREEN_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("QBBScreen: 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("QBBScreen: 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("QBBScreen: 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<QBBRootWindow>(new QBBRootWindow(this)); +} + +QBBScreen::~QBBScreen() +{ +#if defined(QBBSCREEN_DEBUG) + qDebug() << Q_FUNC_INFO; +#endif +} + +/* static */ +void QBBScreen::createDisplays(screen_context_t context) +{ +#if defined(QBBSCREEN_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("QBBScreen: 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("QBBScreen: failed to query displays, errno=%d", errno); + } + + for (int i=0; i<displayCount; i++) { +#if defined(QBBSCREEN_DEBUG) + qDebug() << "QBBScreen::Creating screen for display " << i; +#endif + QBBScreen *screen = new QBBScreen(context, displays[i], i==0); + ms_screens.append(screen); + } +} + +/* static */ +void QBBScreen::destroyDisplays() +{ +#if defined(QBBSCREEN_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 QBBScreen::defaultDepth() +{ +#if defined(QBBSCREEN_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("QBB_DISPLAY_DEPTH").toInt(); + if (defaultDepth != 16 && defaultDepth != 32) { + defaultDepth = 32; + } + } + return defaultDepth; +} + +QRect QBBScreen::availableGeometry() const +{ +#if defined(QBBSCREEN_DEBUG) + qDebug() << Q_FUNC_INFO; +#endif + // available geometry = total geometry - keyboard + int keyboardHeight = QBBVirtualKeyboard::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 QBBScreen::setRotation(int rotation) +{ +#if defined(QBBSCREEN_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(QBBSCREEN_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 QBBScreen::addWindow(QBBWindow *window) +{ +#if defined(QBBSCREEN_DEBUG) + qDebug() << Q_FUNC_INFO << "window =" << window; +#endif + + if (ms_childWindows.contains(window)) + return; + + ms_childWindows.push_back(window); + QBBScreen::updateHierarchy(); +} + +void QBBScreen::removeWindow(QBBWindow *window) +{ +#if defined(QBBSCREEN_DEBUG) + qDebug() << Q_FUNC_INFO << "window =" << window; +#endif + + ms_childWindows.removeAll(window); + QBBScreen::updateHierarchy(); +} + +void QBBScreen::raiseWindow(QBBWindow *window) +{ +#if defined(QBBSCREEN_DEBUG) + qDebug() << Q_FUNC_INFO << "window =" << window; +#endif + + removeWindow(window); + ms_childWindows.push_back(window); + QBBScreen::updateHierarchy(); +} + +void QBBScreen::lowerWindow(QBBWindow *window) +{ +#if defined(QBBSCREEN_DEBUG) + qDebug() << Q_FUNC_INFO << "window =" << window; +#endif + + removeWindow(window); + ms_childWindows.push_front(window); + QBBScreen::updateHierarchy(); +} + +void QBBScreen::updateHierarchy() +{ +#if defined(QBBSCREEN_DEBUG) + qDebug() << Q_FUNC_INFO; +#endif + + QList<QBBWindow*>::iterator it; + int topZorder = 0; + + 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 QBBScreen::onWindowPost(QBBWindow *window) +{ +#if defined(QBBSCREEN_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 |