QWaylandClipboard Class Reference

#include <qwaylandclipboard.h>

Inheritance diagram for QWaylandClipboard:

Public Functions
void	createSelectionOffer (uint32_t id)
QMimeData *	mimeData (QClipboard::Mode mode=QClipboard::Clipboard)
	QWaylandClipboard (QWaylandDisplay *display)
QVariant	retrieveData (const QString &mimeType, QVariant::Type type) const
void	setMimeData (QMimeData *data, QClipboard::Mode mode=QClipboard::Clipboard)
bool	supportsMode (QClipboard::Mode mode) const
void	unregisterSelection (QWaylandSelection *selection)
	~QWaylandClipboard ()
Public Functions inherited from QPlatformClipboard
void	emitChanged (QClipboard::Mode mode)
virtual	~QPlatformClipboard ()

Static Private Functions
static void	forceRoundtrip (struct wl_display *display)
static void	keyboardFocus (void *data, struct wl_selection_offer *selection_offer, struct wl_input_device *input_device)
static void	offer (void *data, struct wl_selection_offer *selection_offer, const char *type)
static void	syncCallback (void *data)

Properties
QWaylandDisplay *	mDisplay
QWaylandClipboardSignalEmitter	mEmitter
QWaylandMimeData *	mMimeDataIn
struct wl_selection_offer *	mOffer
QStringList	mOfferedMimeTypes
QList< QWaylandSelection * >	mSelections

Static Private Attributes
static const struct wl_selection_offer_listener	selectionOfferListener

Detailed Description

Definition at line 251 of file qwaylandclipboard.cpp.

Constructors and Destructors

QWaylandClipboard()

QWaylandClipboard::QWaylandClipboard

(

QWaylandDisplay *

display

)

Definition at line 165 of file qwaylandclipboard.cpp.

    : mDisplay(display), mMimeDataIn(0), mOffer(0)
{
    clipboard = this;
}

~QWaylandClipboard()

QWaylandClipboard::~QWaylandClipboard

(

)

Definition at line 171 of file qwaylandclipboard.cpp.

{
    if (mOffer)
        wl_selection_offer_destroy(mOffer);
    delete mMimeDataIn;
    qDeleteAll(mSelections);
}

Functions

createSelectionOffer()

void QWaylandClipboard::createSelectionOffer

(

uint32_t

id

)

Definition at line 256 of file qwaylandclipboard.cpp.

Referenced by QWaylandDisplay::displayHandleGlobal().

{
    mOfferedMimeTypes.clear();
    if (mOffer)
        wl_selection_offer_destroy(mOffer);
    mOffer = 0;
    struct wl_selection_offer *offer = wl_selection_offer_create(mDisplay->wl_display(), id, 1);
    wl_selection_offer_add_listener(offer, &selectionOfferListener, this);
}

forceRoundtrip()

void QWaylandClipboard::forceRoundtrip ( struct wl_display *  display )

staticprivate

Definition at line 189 of file qwaylandclipboard.cpp.

Referenced by retrieveData().

{
    bool done = false;
    wl_display_sync_callback(display, syncCallback, &done);
    wl_display_iterate(display, WL_DISPLAY_WRITABLE);
    while (!done)
        wl_display_iterate(display, WL_DISPLAY_READABLE);
}

keyboardFocus()

void QWaylandClipboard::keyboardFocus ( void *  data, struct wl_selection_offer *  selection_offer, struct wl_input_device *  input_device  )

staticprivate

Definition at line 275 of file qwaylandclipboard.cpp.

{
    Q_UNUSED(data);
    if (!input_device) {
        wl_selection_offer_destroy(selection_offer);
        clipboard->mOffer = 0;
        return;
    }
    clipboard->mOffer = selection_offer;
    if (clipboard->mSelections.isEmpty())
        QMetaObject::invokeMethod(&clipboard->mEmitter, "emitChanged", Qt::QueuedConnection);
}

mimeData()

QMimeData * QWaylandClipboard::mimeData ( QClipboard::Mode  mode = QClipboard::Clipboard )

virtual

Reimplemented from QPlatformClipboard.

Definition at line 221 of file qwaylandclipboard.cpp.

{
    Q_ASSERT(mode == QClipboard::Clipboard);
    if (!mSelections.isEmpty())
        return mSelections.last()->mMimeData;
    if (!mMimeDataIn)
        mMimeDataIn = new QWaylandMimeData;
    mMimeDataIn->clearAll();
    if (!mOfferedMimeTypes.isEmpty() && mOffer)
        mMimeDataIn->setFormats(mOfferedMimeTypes);
    return mMimeDataIn;
}

offer()

void QWaylandClipboard::offer ( void *  data, struct wl_selection_offer *  selection_offer, const char *  type  )

staticprivate

Definition at line 266 of file qwaylandclipboard.cpp.

Referenced by createSelectionOffer().

{
    Q_UNUSED(data);
    Q_UNUSED(selection_offer);
    clipboard->mOfferedMimeTypes.append(QString::fromLatin1(type));
}

retrieveData()

QVariant QWaylandClipboard::retrieveData	(	const QString &	mimeType,
		QVariant::Type	type
	)		const

Definition at line 198 of file qwaylandclipboard.cpp.

Referenced by QWaylandMimeData::retrieveData_sys().

{
    Q_UNUSED(type);
    if (mOfferedMimeTypes.isEmpty() || !mOffer)
        return QVariant();
    int pipefd[2];
    if (pipe(pipefd) == -1) {
        qWarning("QWaylandClipboard: pipe() failed");
        return QVariant();
    }
    QByteArray mimeTypeBa = mimeType.toLatin1();
    wl_selection_offer_receive(mOffer, mimeTypeBa.constData(), pipefd[1]);
    QByteArray content;
    forceRoundtrip(mDisplay->wl_display());
    char buf[256];
    int n;
    close(pipefd[1]);
    while ((n = read(pipefd[0], &buf, sizeof buf)) > 0)
        content.append(buf, n);
    close(pipefd[0]);
    return content;
}

setMimeData()

void QWaylandClipboard::setMimeData ( QMimeData *  data, QClipboard::Mode  mode = QClipboard::Clipboard  )

virtual

Reimplemented from QPlatformClipboard.

Definition at line 234 of file qwaylandclipboard.cpp.

{
    Q_ASSERT(mode == QClipboard::Clipboard);
    if (!mDisplay->inputDevices().isEmpty()) {
        if (!data)
            data = new QMimeData;
        mSelections.append(new QWaylandSelection(mDisplay, data));
    } else {
        qWarning("QWaylandClipboard::setMimeData: No input devices");
    }
}

supportsMode()

bool QWaylandClipboard::supportsMode ( QClipboard::Mode  mode ) const

virtual

Reimplemented from QPlatformClipboard.

Definition at line 246 of file qwaylandclipboard.cpp.

{
    return mode == QClipboard::Clipboard;
}

syncCallback()

void QWaylandClipboard::syncCallback ( void *  data )

staticprivate

Definition at line 184 of file qwaylandclipboard.cpp.

Referenced by forceRoundtrip().

{
    *static_cast<bool *>(data) = true;
}

unregisterSelection()

void QWaylandClipboard::unregisterSelection

(

QWaylandSelection *

selection

)

Definition at line 179 of file qwaylandclipboard.cpp.

Referenced by QWaylandSelection::~QWaylandSelection().

{
    mSelections.removeOne(selection);
}

Properties

mDisplay

QWaylandDisplay* QWaylandClipboard::mDisplay

private

Definition at line 89 of file qwaylandclipboard.h.

Referenced by createSelectionOffer(), retrieveData(), and setMimeData().

mEmitter

QWaylandClipboardSignalEmitter QWaylandClipboard::mEmitter

private

Definition at line 94 of file qwaylandclipboard.h.

Referenced by keyboardFocus().

mMimeDataIn

QWaylandMimeData* QWaylandClipboard::mMimeDataIn

private

Definition at line 90 of file qwaylandclipboard.h.

Referenced by mimeData(), and ~QWaylandClipboard().

mOffer

struct wl_selection_offer* QWaylandClipboard::mOffer

private

Definition at line 93 of file qwaylandclipboard.h.

Referenced by createSelectionOffer(), keyboardFocus(), mimeData(), retrieveData(), and ~QWaylandClipboard().

mOfferedMimeTypes

QStringList QWaylandClipboard::mOfferedMimeTypes

private

Definition at line 92 of file qwaylandclipboard.h.

Referenced by createSelectionOffer(), mimeData(), offer(), and retrieveData().

mSelections

QList<QWaylandSelection *> QWaylandClipboard::mSelections

private

Definition at line 91 of file qwaylandclipboard.h.

Referenced by keyboardFocus(), mimeData(), setMimeData(), unregisterSelection(), and ~QWaylandClipboard().

selectionOfferListener

const struct wl_selection_offer_listener QWaylandClipboard::selectionOfferListener

staticprivate

Definition at line 84 of file qwaylandclipboard.h.

Referenced by createSelectionOffer().

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

• /src/plugins/platforms/wayland/qwaylandclipboard.cpp
• /src/plugins/platforms/wayland/qwaylandclipboard.h