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50
51#ifndef WINDOWCOMPOSITOR_H
52#define WINDOWCOMPOSITOR_H
53
54#include <QtWaylandCompositor/QWaylandCompositor>
55#include <QtWaylandCompositor/QWaylandSurface>
56#include <QtWaylandCompositor/QWaylandView>
57#include <QtWaylandCompositor/QWaylandWlShellSurface>
58#include <QtWaylandCompositor/QWaylandXdgSurfaceV5>
59#include <QTimer>
60#include <QOpenGLTextureBlitter>
61
62QT_BEGIN_NAMESPACE
63
64class QWaylandWlShell;
65class QWaylandWlShellSurface;
66class QWaylandXdgShellV5;
67class QOpenGLTexture;
68class Compositor;
69
70class View : public QWaylandView
71{
72 Q_OBJECT
73public:
74 View(Compositor *compositor);
75 QOpenGLTexture *getTexture();
76 QOpenGLTextureBlitter::Origin textureOrigin() const;
77 QPointF position() const { return m_position; }
78 void setPosition(const QPointF &pos) { m_position = pos; }
79 QSize size() const;
80 bool isCursor() const;
81 bool hasShell() const { return m_wlShellSurface; }
82 void setParentView(View *parent) { m_parentView = parent; }
83 View *parentView() const { return m_parentView; }
84 QPointF parentPosition() const { return m_parentView ? (m_parentView->position() + m_parentView->parentPosition()) : QPointF(); }
85 QSize windowSize() { return m_xdgSurface ? m_xdgSurface->windowGeometry().size() : surface() ? surface()->destinationSize() : m_size; }
86 QPoint offset() const { return m_offset; }
87
88 qreal animationFactor() const {return m_animationFactor; }
89 void setAnimationFactor(qreal f) {m_animationFactor = f; }
90
91signals:
92 void animationDone();
93
94protected:
95 void timerEvent(QTimerEvent *event) override;
96
97private:
98 friend class Compositor;
99 Compositor *m_compositor = nullptr;
100 GLenum m_textureTarget = GL_TEXTURE_2D;
101 QOpenGLTexture *m_texture = nullptr;
102 QOpenGLTextureBlitter::Origin m_origin;
103 QPointF m_position;
104 QSize m_size;
105 QWaylandWlShellSurface *m_wlShellSurface = nullptr;
106 QWaylandXdgSurfaceV5 *m_xdgSurface = nullptr;
107 QWaylandXdgPopupV5 *m_xdgPopup = nullptr;
108 View *m_parentView = nullptr;
109 QPoint m_offset;
110 qreal m_animationFactor = 1.0;
111 QBasicTimer m_animationTimer;
112 bool m_animationCountUp;
113
114public slots:
115 void onXdgSetMaximized();
116 void onXdgUnsetMaximized();
117 void onXdgSetFullscreen(QWaylandOutput *output);
118 void onXdgUnsetFullscreen();
119 void onOffsetForNextFrame(const QPoint &offset);
120
121 void startAnimation(bool countUp);
122 void cancelAnimation();
123};
124
125class Compositor : public QWaylandCompositor
126{
127 Q_OBJECT
128public:
129 Compositor(QWindow *window);
130 ~Compositor() override;
131 void create() override;
132
133 void startRender();
134 void endRender();
135
136 QList<View*> views() const { return m_views; }
137 void raise(View *view);
138
139 void handleMouseEvent(QWaylandView *target, QMouseEvent *me);
140 void handleResize(View *target, const QSize &initialSize, const QPoint &delta, int edge);
141 void handleDrag(View *target, QMouseEvent *me);
142
143 QWaylandClient *popupClient() const;
144 void closePopups();
145protected:
146 void adjustCursorSurface(QWaylandSurface *surface, int hotspotX, int hotspotY);
147
148signals:
149 void startMove();
150 void startResize(int edge, bool anchored);
151 void dragStarted(View *dragIcon);
152 void frameOffset(const QPoint &offset);
153
154public slots:
155 void triggerRender();
156
157private slots:
158 void surfaceHasContentChanged();
159 void surfaceDestroyed();
160 void viewSurfaceDestroyed();
161 void onStartMove();
162 void onWlStartResize(QWaylandSeat *seat, QWaylandWlShellSurface::ResizeEdge edges);
163 void onXdgStartResize(QWaylandSeat *seat, QWaylandXdgSurfaceV5::ResizeEdge edges);
164
165 void startDrag();
166
167
168 void onSurfaceCreated(QWaylandSurface *surface);
169 void onWlShellSurfaceCreated(QWaylandWlShellSurface *wlShellSurface);
170 void onXdgSurfaceCreated(QWaylandXdgSurfaceV5 *xdgSurface);
171 void onXdgPopupRequested(QWaylandSurface *surface, QWaylandSurface *parent, QWaylandSeat *seat,
172 const QPoint &position, const QWaylandResource &resource);
173 void onSetTransient(QWaylandSurface *parentSurface, const QPoint &relativeToParent, bool inactive);
174 void onSetPopup(QWaylandSeat *seat, QWaylandSurface *parent, const QPoint &relativeToParent);
175
176 void onSubsurfaceChanged(QWaylandSurface *child, QWaylandSurface *parent);
177 void onSubsurfacePositionChanged(const QPoint &position);
178
179 void updateCursor();
180 void viewAnimationDone();
181private:
182 View *findView(const QWaylandSurface *s) const;
183 QWindow *m_window = nullptr;
184 QList<View*> m_views;
185 QWaylandWlShell *m_wlShell = nullptr;
186 QWaylandXdgShellV5 *m_xdgShell = nullptr;
187 QWaylandView m_cursorView;
188 int m_cursorHotspotX;
189 int m_cursorHotspotY;
190};
191
192
193QT_END_NAMESPACE
194
195#endif // WINDOWCOMPOSITOR_H
196

source code of qtwayland/examples/wayland/qwindow-compositor/compositor.h