1// Copyright (C) 2017 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#ifndef QWAYLANDWLSHELLINTEGRATION_H
5#define QWAYLANDWLSHELLINTEGRATION_H
6
7#include <QtWaylandCompositor/private/qwaylandquickshellsurfaceitem_p.h>
8
9#include <QtWaylandCompositor/QWaylandWlShellSurface>
10
11#include <QtCore/qpointer.h>
12
13QT_BEGIN_NAMESPACE
14
15//
16// W A R N I N G
17// -------------
18//
19// This file is not part of the Qt API. It exists purely as an
20// implementation detail. This header file may change from version to
21// version without notice, or even be removed.
22//
23// We mean it.
24//
25
26namespace QtWayland {
27
28class WlShellIntegration : public QWaylandQuickShellIntegration
29{
30 Q_OBJECT
31public:
32 WlShellIntegration(QWaylandQuickShellSurfaceItem *item);
33 ~WlShellIntegration() override;
34
35protected:
36 bool eventFilter(QObject *object, QEvent *event) override;
37
38private Q_SLOTS:
39 void handleStartMove(QWaylandSeat *seat);
40 void handleStartResize(QWaylandSeat *seat, QWaylandWlShellSurface::ResizeEdge edges);
41 void handleSetDefaultTopLevel();
42 void handleSetTransient(QWaylandSurface *parentSurface, const QPoint &relativeToParent, bool inactive);
43 void handleSetMaximized(QWaylandOutput *output);
44 void handleSetFullScreen(QWaylandWlShellSurface::FullScreenMethod method, uint framerate, QWaylandOutput *output);
45 void handleSetPopup(QWaylandSeat *seat, QWaylandSurface *parent, const QPoint &relativeToParent);
46 void handleShellSurfaceDestroyed();
47 void handleSurfaceHasContentChanged();
48 void handleRedraw();
49 void adjustOffsetForNextFrame(const QPointF &offset);
50 void handleFullScreenSizeChanged();
51 void handleMaximizedSizeChanged();
52
53private:
54 enum class GrabberState {
55 Default,
56 Resize,
57 Move
58 };
59
60 void handlePopupClosed();
61 void handlePopupRemoved();
62 qreal devicePixelRatio() const;
63
64 QWaylandQuickShellSurfaceItem *m_item = nullptr;
65 QPointer<QWaylandWlShellSurface> m_shellSurface;
66 GrabberState grabberState = GrabberState::Default;
67 struct {
68 QWaylandSeat *seat = nullptr;
69 QPointF initialOffset;
70 bool initialized = false;
71 } moveState;
72 struct {
73 QWaylandSeat *seat = nullptr;
74 QWaylandWlShellSurface::ResizeEdge resizeEdges;
75 QSizeF initialSize;
76 QPointF initialMousePos;
77 bool initialized = false;
78 } resizeState;
79
80 bool isPopup = false;
81
82 enum class State {
83 Windowed,
84 Maximized,
85 FullScreen
86 };
87
88 State currentState = State::Windowed;
89 State nextState = State::Windowed;
90
91 struct {
92 QWaylandOutput *output = nullptr;
93 QMetaObject::Connection sizeChangedConnection; // Depending on whether maximized or fullscreen,
94 // will be hooked to geometry-changed or available-
95 // geometry-changed.
96 } nonwindowedState;
97
98 QPointF normalPosition;
99 QPointF finalPosition;
100
101 bool filterMouseMoveEvent(QMouseEvent *event);
102 bool filterMouseReleaseEvent(QMouseEvent *event);
103};
104
105}
106
107QT_END_NAMESPACE
108
109#endif // QWAYLANDWLSHELLINTEGRATION_H
110

source code of qtwayland/src/compositor/extensions/qwaylandwlshellintegration_p.h