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| ** Copyright (C) 2017 ITAGE Corporation, author: <yusuke.binsaki@itage.co.jp> |
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| |
| #include "qwaylandivishellintegration.h" |
| |
| #include <QtCore/qsize.h> |
| #include <QtCore/qdebug.h> |
| |
| #include <QtWaylandClient/private/qwaylanddisplay_p.h> |
| #include <QtWaylandClient/private/qwaylandwindow_p.h> |
| #include <QtWaylandClient/private/qwaylandabstractdecoration_p.h> |
| |
| #include "qwaylandivisurface_p.h" |
| |
| #include <mutex> |
| |
| #include <unistd.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QtWaylandClient { |
| |
| QWaylandIviShellIntegration::QWaylandIviShellIntegration() |
| { |
| } |
| |
| bool QWaylandIviShellIntegration::initialize(QWaylandDisplay *display) |
| { |
| for (QWaylandDisplay::RegistryGlobal global : display->globals()) { |
| if (global.interface == QLatin1String("ivi_application") && !m_iviApplication) |
| m_iviApplication.reset(new QtWayland::ivi_application(display->wl_registry(), global.id, global.version)); |
| if (global.interface == QLatin1String("ivi_controller") && !m_iviController) |
| m_iviController.reset(new QtWayland::ivi_controller(display->wl_registry(), global.id, global.version)); |
| } |
| |
| if (!m_iviApplication) { |
| qCDebug(lcQpaWayland) << "Couldn't find global ivi_application for ivi-shell"; |
| return false; |
| } |
| |
| return QWaylandShellIntegration::initialize(display); |
| } |
| |
| /* get unique id |
| * pattern1: |
| * When set QT_IVI_SURFACE_ID, We use it as ID. |
| * Next ID is increment. |
| * pattern2: |
| * When not set QT_IVI_SURFACE_ID, We use process ID and unused bit. |
| * process ID maximum is 2^22. Unused bit is 23 to 32 bit. |
| * Therefor, We use 23 to 32 bit. This do not overlap with other clients. |
| * Next ID is increment of 23 to 32 bit. |
| * +------------+---------------------------+ |
| * |31 23|22 0| |
| * +------------+---------------------------+ |
| * |0000 0000 00|00 0000 0000 0000 0000 0000| |
| * |<- ID ->|<- process ID ->| |
| * +------------+---------------------------+ |
| */ |
| uint32_t QWaylandIviShellIntegration::getNextUniqueSurfaceId() |
| { |
| const uint32_t PID_MAX_EXPONENTIATION = 22; // 22 bit shift operation |
| const uint32_t ID_LIMIT = 1 << (32 - PID_MAX_EXPONENTIATION); // 10 bit is unique id |
| const std::lock_guard<QRecursiveMutex> locker(m_mutex); |
| |
| if (m_lastSurfaceId == 0) { |
| QByteArray env = qgetenv("QT_IVI_SURFACE_ID"); |
| bool ok; |
| m_lastSurfaceId = env.toUInt(&ok, 10); |
| if (ok) |
| m_useEnvSurfaceId = true; |
| else |
| m_lastSurfaceId = getpid(); |
| |
| return m_lastSurfaceId; |
| } |
| |
| if (m_useEnvSurfaceId) { |
| m_lastSurfaceId++; |
| } else { |
| m_surfaceNumber++; |
| if (m_surfaceNumber >= ID_LIMIT) { |
| qWarning("IVI surface id counter overflow\n"); |
| return 0; |
| } |
| m_lastSurfaceId += (m_surfaceNumber << PID_MAX_EXPONENTIATION); |
| } |
| |
| return m_lastSurfaceId; |
| } |
| |
| QWaylandShellSurface *QWaylandIviShellIntegration::createShellSurface(QWaylandWindow *window) |
| { |
| if (!m_iviApplication) |
| return nullptr; |
| |
| uint32_t surfaceId = getNextUniqueSurfaceId(); |
| if (surfaceId == 0) |
| return nullptr; |
| |
| struct ivi_surface *surface = m_iviApplication->surface_create(surfaceId, window->wlSurface()); |
| if (!m_iviController) |
| return new QWaylandIviSurface(surface, window); |
| |
| struct ::ivi_controller_surface *controller = m_iviController->ivi_controller::surface_create(surfaceId); |
| QWaylandIviSurface *iviSurface = new QWaylandIviSurface(surface, window, controller); |
| |
| if (window->window()->type() == Qt::Popup) { |
| QPoint transientPos = window->geometry().topLeft(); // this is absolute |
| QWaylandWindow *parent = window->transientParent(); |
| if (parent && parent->decoration()) { |
| transientPos -= parent->geometry().topLeft(); |
| transientPos.setX(transientPos.x() + parent->decoration()->margins().left()); |
| transientPos.setY(transientPos.y() + parent->decoration()->margins().top()); |
| } |
| QSize size = window->window()->geometry().size(); |
| iviSurface->ivi_controller_surface::set_destination_rectangle(transientPos.x(), |
| transientPos.y(), |
| size.width(), |
| size.height()); |
| } |
| |
| return iviSurface; |
| } |
| |
| } |
| |
| QT_END_NAMESPACE |