QXcbNativeInterface Class Reference

#include <qxcbnativeinterface.h>

Inheritance diagram for QXcbNativeInterface:

Public Types
enum	ResourceType {   Display, EglDisplay, Connection, Screen,   GraphicsDevice, EglContext }

Public Functions
void *	connectionForWidget (QWidget *widget)
void *	displayForWidget (QWidget *widget)
void *	eglContextForWidget (QWidget *widget)
void *	eglDisplayForWidget (QWidget *widget)
void *	graphicsDeviceForWidget (QWidget *widget)
void *	nativeResourceForWidget (const QByteArray &resourceString, QWidget *widget)
void *	screenForWidget (QWidget *widget)

Static Private Functions
static QXcbScreen *	qPlatformScreenForWidget (QWidget *widget)

Detailed Description

Definition at line 50 of file qxcbnativeinterface.h.

Enumerations

ResourceType

enum QXcbNativeInterface::ResourceType

Enumerator
Display
EglDisplay
Connection
Screen
GraphicsDevice
EglContext

Definition at line 53 of file qxcbnativeinterface.h.

                      {
        Display,
        EglDisplay,
        Connection,
        Screen,
        GraphicsDevice,
        EglContext
    };

Functions

connectionForWidget()

void * QXcbNativeInterface::connectionForWidget

(

QWidget *

widget

)

Definition at line 137 of file qxcbnativeinterface.cpp.

{
    QXcbScreen *screen = qPlatformScreenForWidget(widget);
    return screen->xcb_connection();
}

displayForWidget()

void * QXcbNativeInterface::displayForWidget

(

QWidget *

widget

)

Definition at line 115 of file qxcbnativeinterface.cpp.

{
#if defined(XCB_USE_XLIB)
    QXcbScreen *screen = qPlatformScreenForWidget(widget);
    return screen->connection()->xlib_display();
#else
    Q_UNUSED(widget);
    return 0;
#endif
}

eglContextForWidget()

void * QXcbNativeInterface::eglContextForWidget

(

QWidget *

widget

)

Definition at line 162 of file qxcbnativeinterface.cpp.

{
    Q_ASSERT(widget);
    if (!widget->platformWindow()) {
        qDebug() << "QPlatformWindow does not exist for widget" << widget
                 << "cannot return EGLContext";
        return 0;
    }
    QPlatformGLContext *platformContext = widget->platformWindow()->glContext();
    if (!platformContext) {
        qDebug() << "QPlatformWindow" << widget->platformWindow() << "does not have a glContext"
                 << "cannot return EGLContext";
        return 0;
    }
#if defined(XCB_USE_EGL)
    QEGLPlatformContext *eglPlatformContext = static_cast<QEGLPlatformContext *>(platformContext);
    return eglPlatformContext->eglContext();
#elif defined (XCB_USE_DRI2)
    QDri2Context *dri2Context = static_cast<QDri2Context *>(platformContext);
    return dri2Context->eglContext();
#else
    return 0;
#endif
}

eglDisplayForWidget()

void * QXcbNativeInterface::eglDisplayForWidget

(

QWidget *

widget

)

Definition at line 126 of file qxcbnativeinterface.cpp.

{
#if defined(XCB_USE_DRI2) || defined(XCB_USE_EGL)
    QXcbScreen *screen = qPlatformScreenForWidget(widget);
    return screen->connection()->egl_display();
#else
    Q_UNUSED(widget)
    return 0;
#endif
}

graphicsDeviceForWidget()

void * QXcbNativeInterface::graphicsDeviceForWidget

(

QWidget *

widget

)

Definition at line 149 of file qxcbnativeinterface.cpp.

{
#if defined(XCB_USE_DRI2)
    QXcbScreen *screen = qPlatformScreenForWidget(widget);
    QByteArray deviceName = screen->connection()->dri2DeviceName();
    return deviceName.data();
#else
    Q_UNUSED(widget);
    return 0;
#endif

}

nativeResourceForWidget()

void * QXcbNativeInterface::nativeResourceForWidget ( const QByteArray &  resourceString, QWidget *  widget  )

virtual

Reimplemented from QPlatformNativeInterface.

Definition at line 74 of file qxcbnativeinterface.cpp.

{
    QByteArray lowerCaseResource = resourceString.toLower();
    ResourceType resource = qXcbResourceMap()->value(lowerCaseResource);
    void *result = 0;
    switch(resource) {
    case Display:
        result = displayForWidget(widget);
        break;
    case EglDisplay:
        result = eglDisplayForWidget(widget);
        break;
    case Connection:
        result = connectionForWidget(widget);
        break;
    case Screen:
        result = qPlatformScreenForWidget(widget);
        break;
    case GraphicsDevice:
        result = graphicsDeviceForWidget(widget);
        break;
    case EglContext:
        result = eglContextForWidget(widget);
        break;
    default:
        result = 0;
    }
    return result;
}

qPlatformScreenForWidget()

QXcbScreen * QXcbNativeInterface::qPlatformScreenForWidget ( QWidget *  widget )

staticprivate

Definition at line 104 of file qxcbnativeinterface.cpp.

{
    QXcbScreen *screen;
    if (widget) {
        screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(widget));
    }else {
        screen = static_cast<QXcbScreen *>(QApplicationPrivate::platformIntegration()->screens()[0]);
    }
    return screen;
}

screenForWidget()

void * QXcbNativeInterface::screenForWidget

(

QWidget *

widget

)

Definition at line 143 of file qxcbnativeinterface.cpp.

{
    QXcbScreen *screen = qPlatformScreenForWidget(widget);
    return screen->screen();
}

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The documentation for this class was generated from the following files:

• /src/plugins/platforms/xcb/qxcbnativeinterface.h
• /src/plugins/platforms/xcb/qxcbnativeinterface.cpp