1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// Copyright (C) 2016 Klarälvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QWAYLANDDATADEVICE_H
#define QWAYLANDDATADEVICE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <qtwaylandclientglobal_p.h>
#include <QObject>
#include <QPointer>
#include <QPoint>
#include <QtWaylandClient/private/qwayland-wayland.h>
QT_REQUIRE_CONFIG(wayland_datadevice);
QT_BEGIN_NAMESPACE
class QMimeData;
class QPlatformDragQtResponse;
class QWindow;
namespace QtWaylandClient {
class QWaylandDisplay;
class QWaylandDataDeviceManager;
class QWaylandDataOffer;
class QWaylandDataSource;
class QWaylandInputDevice;
class QWaylandWindow;
class QWaylandDataDevice : public QObject, public QtWayland::wl_data_device
{
Q_OBJECT
public:
QWaylandDataDevice(QWaylandDataDeviceManager *manager, QWaylandInputDevice *inputDevice);
~QWaylandDataDevice() override;
QWaylandDataOffer *selectionOffer() const;
void invalidateSelectionOffer();
QWaylandDataSource *selectionSource() const;
void setSelectionSource(QWaylandDataSource *source);
#if QT_CONFIG(draganddrop)
QWaylandDataOffer *dragOffer() const;
bool startDrag(QMimeData *mimeData, Qt::DropActions supportedActions, QWaylandWindow *icon);
void cancelDrag();
#endif
protected:
void data_device_data_offer(struct ::wl_data_offer *id) override;
#if QT_CONFIG(draganddrop)
void data_device_drop() override;
void data_device_enter(uint32_t serial, struct ::wl_surface *surface, wl_fixed_t x, wl_fixed_t y, struct ::wl_data_offer *id) override;
void data_device_leave() override;
void data_device_motion(uint32_t time, wl_fixed_t x, wl_fixed_t y) override;
#endif
void data_device_selection(struct ::wl_data_offer *id) override;
private Q_SLOTS:
void selectionSourceCancelled();
#if QT_CONFIG(draganddrop)
void dragSourceCancelled();
#endif
private:
#if QT_CONFIG(draganddrop)
QPoint calculateDragPosition(int x, int y, QWindow *wnd) const;
#endif
void sendResponse(Qt::DropActions supportedActions, const QPlatformDragQtResponse &response);
static int dropActionsToWl(Qt::DropActions dropActions);
QWaylandDisplay *m_display = nullptr;
QWaylandInputDevice *m_inputDevice = nullptr;
uint32_t m_enterSerial = 0;
QPointer<QWindow> m_dragWindow;
QPoint m_dragPoint;
QScopedPointer<QWaylandDataOffer> m_dragOffer;
QScopedPointer<QWaylandDataOffer> m_selectionOffer;
QScopedPointer<QWaylandDataSource> m_selectionSource;
QScopedPointer<QWaylandDataSource> m_dragSource;
};
}
QT_END_NAMESPACE
#endif // QWAYLANDDATADEVICE_H
|