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Diffstat (limited to 'src/compositor/compositor_api/qwaylandpointer.cpp')
| -rw-r--r-- | src/compositor/compositor_api/qwaylandpointer.cpp | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/src/compositor/compositor_api/qwaylandpointer.cpp b/src/compositor/compositor_api/qwaylandpointer.cpp new file mode 100644 index 000000000..51b1f791d --- /dev/null +++ b/src/compositor/compositor_api/qwaylandpointer.cpp @@ -0,0 +1,368 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtWaylandCompositor module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwaylandpointer.h" +#include "qwaylandpointer_p.h" +#include <QtWaylandCompositor/QWaylandClient> +#include <QtWaylandCompositor/QWaylandCompositor> + +QT_BEGIN_NAMESPACE + +QWaylandPointerPrivate::QWaylandPointerPrivate(QWaylandPointer *pointer, QWaylandInputDevice *seat) + : QObjectPrivate() + , wl_pointer() + , seat(seat) + , output() + , focusResource() + , hasSentEnter(false) + , buttonCount() +{ +} + +void QWaylandPointerPrivate::pointer_destroy_resource(wl_pointer::Resource *resource) +{ + if (focusResource == resource->handle) + focusResource = 0; +} + +void QWaylandPointerPrivate::pointer_release(wl_pointer::Resource *resource) +{ + wl_resource_destroy(resource->handle); +} + +void QWaylandPointerPrivate::pointer_set_cursor(wl_pointer::Resource *resource, uint32_t serial, wl_resource *surface, int32_t hotspot_x, int32_t hotspot_y) +{ + Q_UNUSED(resource); + Q_UNUSED(serial); + + if (!surface) { + seat->cursorSurfaceRequest(Q_NULLPTR, 0, 0); + return; + } + + QWaylandSurface *s = QWaylandSurface::fromResource(surface); + s->markAsCursorSurface(true); + seat->cursorSurfaceRequest(s, hotspot_x, hotspot_y); +} + +/*! + * \class QWaylandPointer + * \inmodule QtWaylandCompositor + * \brief The QWaylandPointer class provides access to a pointer device. + * + * This class provides access to the pointer device in a QWaylandInputDevice. It corresponds to + * the Wayland interface wl_pointer. + */ + +/*! + * Constructs a QWaylandPointer for the given \a inputDevice and with the given \a parent. + */ +QWaylandPointer::QWaylandPointer(QWaylandInputDevice *inputDevice, QObject *parent) + : QWaylandObject(* new QWaylandPointerPrivate(this, inputDevice), parent) +{ + connect(&d_func()->focusDestroyListener, &QWaylandDestroyListener::fired, this, &QWaylandPointer::focusDestroyed); + connect(inputDevice, &QWaylandInputDevice::mouseFocusChanged, this, &QWaylandPointer::pointerFocusChanged); +} + +/*! + * Returns the input device for this QWaylandPointer. + */ +QWaylandInputDevice *QWaylandPointer::inputDevice() const +{ + Q_D(const QWaylandPointer); + return d->seat; +} + +/*! + * Returns the compositor for this QWaylandPointer. + */ +QWaylandCompositor *QWaylandPointer::compositor() const +{ + Q_D(const QWaylandPointer); + return d->compositor(); +} + +/*! + * Returns the output for this QWaylandPointer. + */ +QWaylandOutput *QWaylandPointer::output() const +{ + Q_D(const QWaylandPointer); + return d->output; +} + +/*! + * Sets the output for this QWaylandPointer to \a output. + */ +void QWaylandPointer::setOutput(QWaylandOutput *output) +{ + Q_D(QWaylandPointer); + if (d->output == output) return; + d->output = output; + outputChanged(); +} + +/*! + * Sends a mouse press event for \a button to the view currently holding mouse focus. + */ +void QWaylandPointer::sendMousePressEvent(Qt::MouseButton button) +{ + Q_D(QWaylandPointer); + uint32_t time = d->compositor()->currentTimeMsecs(); + d->buttonCount++; + if (d->focusResource) + sendButton(d->focusResource, time, button, WL_POINTER_BUTTON_STATE_PRESSED); + + if (d->buttonCount == 1) { + emit buttonPressedChanged(); + } +} + +/*! + * Sends a mouse release event for \a button to the view currently holding mouse focus. + */ +void QWaylandPointer::sendMouseReleaseEvent(Qt::MouseButton button) +{ + Q_D(QWaylandPointer); + uint32_t time = d->compositor()->currentTimeMsecs(); + d->buttonCount--; + + if (d->focusResource) + sendButton(d->focusResource, time, button, WL_POINTER_BUTTON_STATE_RELEASED); + + if (d->buttonCount == 0) + emit buttonPressedChanged(); +} + +/*! + * Sets the current mouse focus to \a view and sends a mouse move event to it with the + * local position \a localPos and output space position \a outputSpacePos. + */ +void QWaylandPointer::sendMouseMoveEvent(QWaylandView *view, const QPointF &localPos, const QPointF &outputSpacePos) +{ + Q_D(QWaylandPointer); + if (view && (!view->surface() || view->surface()->isCursorSurface())) + view = Q_NULLPTR; + d->seat->setMouseFocus(view); + d->localPosition = localPos; + d->spacePosition = outputSpacePos; + + //we adjust if the mouse position is on the edge + //to work around Qt's event propagation + if (view && view->surface()) { + QSizeF size(view->surface()->size()); + if (d->localPosition.x() == size.width()) + d->localPosition.rx() -= 0.01; + + if (d->localPosition.y() == size.height()) + d->localPosition.ry() -= 0.01; + } + + QWaylandPointerPrivate::Resource *resource = view ? d->resourceMap().value(view->surface()->waylandClient()) : 0; + if (resource && !d->hasSentEnter) { + uint32_t serial = d->compositor()->nextSerial(); + QWaylandKeyboard *keyboard = d->seat->keyboard(); + if (keyboard) { + keyboard->sendKeyModifiers(view->surface()->client(), serial); + } + d->send_enter(resource->handle, serial, view->surface()->resource(), + wl_fixed_from_double(d->localPosition.x()), wl_fixed_from_double(d->localPosition.y())); + + d->focusDestroyListener.listenForDestruction(view->surface()->resource()); + d->hasSentEnter = true; + } + + d->focusResource = resource ? resource->handle : 0; + + if (view && view->output()) + setOutput(view->output()); + + uint32_t time = d->compositor()->currentTimeMsecs(); + + if (d->focusResource) { + wl_fixed_t x = wl_fixed_from_double(currentLocalPosition().x()); + wl_fixed_t y = wl_fixed_from_double(currentLocalPosition().y()); + wl_pointer_send_motion(d->focusResource, time, x, y); + } +} + +/*! + * Sends a mouse wheel event with the given \a orientation and \a delta to the view that currently holds mouse focus. + */ +void QWaylandPointer::sendMouseWheelEvent(Qt::Orientation orientation, int delta) +{ + Q_D(QWaylandPointer); + if (!d->focusResource) + return; + + uint32_t time = d->compositor()->currentTimeMsecs(); + uint32_t axis = orientation == Qt::Horizontal ? WL_POINTER_AXIS_HORIZONTAL_SCROLL + : WL_POINTER_AXIS_VERTICAL_SCROLL; + d->send_axis(d->focusResource, time, axis, wl_fixed_from_int(-delta / 12)); +} + +/*! + * Returns the view that currently holds mouse focus. + */ +QWaylandView *QWaylandPointer::mouseFocus() const +{ + Q_D(const QWaylandPointer); + return d->seat->mouseFocus(); +} + +/*! + * Returns the current local position of the QWaylandPointer. + */ +QPointF QWaylandPointer::currentLocalPosition() const +{ + Q_D(const QWaylandPointer); + return d->localPosition; +} + +/*! + * Returns the current output space position of the QWaylandPointer. + */ +QPointF QWaylandPointer::currentSpacePosition() const +{ + Q_D(const QWaylandPointer); + return d->spacePosition; +} + +/*! + * Returns true if any button is currently pressed. Otherwise returns false. + */ +bool QWaylandPointer::isButtonPressed() const +{ + Q_D(const QWaylandPointer); + return d->buttonCount > 0; +} + +/*! + * \internal + */ +void QWaylandPointer::addClient(QWaylandClient *client, uint32_t id, uint32_t version) +{ + Q_D(QWaylandPointer); + d->add(client->client(), id, qMin<uint32_t>(QtWaylandServer::wl_pointer::interfaceVersion(), version)); +} + +/*! + * Returns the Wayland resource for this QWaylandPointer. + */ +struct wl_resource *QWaylandPointer::focusResource() const +{ + Q_D(const QWaylandPointer); + if (!d->focusResource) + return Q_NULLPTR; + + return d->focusResource; +} + +/*! + * \internal + */ +void QWaylandPointer::sendButton(struct wl_resource *resource, uint32_t time, Qt::MouseButton button, uint32_t state) +{ + Q_D(QWaylandPointer); + uint32_t serial = d->compositor()->nextSerial(); + d->send_button(resource, serial, time, toWaylandButton(button), state); +} + +/*! + * \internal + */ +uint32_t QWaylandPointer::toWaylandButton(Qt::MouseButton button) +{ +#ifndef BTN_LEFT + uint32_t BTN_LEFT = 0x110; +#endif + // the range of valid buttons (evdev module) is from 0x110 + // through 0x11f. 0x120 is the first 'Joystick' button. + switch (button) { + case Qt::LeftButton: return BTN_LEFT; + case Qt::RightButton: return uint32_t(0x111); + case Qt::MiddleButton: return uint32_t(0x112); + case Qt::ExtraButton1: return uint32_t(0x113); // AKA Qt::BackButton, Qt::XButton1 + case Qt::ExtraButton2: return uint32_t(0x114); // AKA Qt::ForwardButton, Qt::XButton2 + case Qt::ExtraButton3: return uint32_t(0x115); + case Qt::ExtraButton4: return uint32_t(0x116); + case Qt::ExtraButton5: return uint32_t(0x117); + case Qt::ExtraButton6: return uint32_t(0x118); + case Qt::ExtraButton7: return uint32_t(0x119); + case Qt::ExtraButton8: return uint32_t(0x11a); + case Qt::ExtraButton9: return uint32_t(0x11b); + case Qt::ExtraButton10: return uint32_t(0x11c); + case Qt::ExtraButton11: return uint32_t(0x11d); + case Qt::ExtraButton12: return uint32_t(0x11e); + case Qt::ExtraButton13: return uint32_t(0x11f); + // default should not occur; but if it does, then return Wayland's highest possible button number. + default: return uint32_t(0x11f); + } +} + +/*! + * \internal + */ +void QWaylandPointer::focusDestroyed(void *data) +{ + Q_D(QWaylandPointer); + Q_UNUSED(data) + d->focusDestroyListener.reset(); + + d->seat->setMouseFocus(Q_NULLPTR); + d->focusResource = 0; + d->buttonCount = 0; +} + +/*! + * \internal + */ +void QWaylandPointer::pointerFocusChanged(QWaylandView *newFocus, QWaylandView *oldFocus) +{ + Q_UNUSED(newFocus); + Q_D(QWaylandPointer); + d->localPosition = QPointF(); + d->hasSentEnter = false; + if (d->focusResource && oldFocus) { + uint32_t serial = d->compositor()->nextSerial(); + d->send_leave(d->focusResource, serial, oldFocus->surfaceResource()); + d->focusDestroyListener.reset(); + d->focusResource = 0; + } + +} + +QT_END_NAMESPACE |