1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2017 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the examples of the Qt Wayland module 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. 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IN NO EVENT SHALL THE COPYRIGHT 39 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 42 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 43 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 44 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 45 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 46 ** 47 ** $QT_END_LICENSE$ 48 ** 49 ****************************************************************************/ 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 62 QT_BEGIN_NAMESPACE 63 64 class QWaylandWlShell; 65 class QWaylandWlShellSurface; 66 class QWaylandXdgShellV5; 67 class QOpenGLTexture; 68 class Compositor; 69 70 class View : public QWaylandView 71 { 72 Q_OBJECT 73 public: 74 View(Compositor *compositor); 75 QOpenGLTexture *getTexture(); 76 QOpenGLTextureBlitter::Origin textureOrigin() const; position()77 QPointF position() const { return m_position; } setPosition(const QPointF & pos)78 void setPosition(const QPointF &pos) { m_position = pos; } 79 QSize size() const; 80 bool isCursor() const; hasShell()81 bool hasShell() const { return m_wlShellSurface; } setParentView(View * parent)82 void setParentView(View *parent) { m_parentView = parent; } parentView()83 View *parentView() const { return m_parentView; } parentPosition()84 QPointF parentPosition() const { return m_parentView ? (m_parentView->position() + m_parentView->parentPosition()) : QPointF(); } windowSize()85 QSize windowSize() { return m_xdgSurface ? m_xdgSurface->windowGeometry().size() : surface() ? surface()->destinationSize() : m_size; } offset()86 QPoint offset() const { return m_offset; } 87 animationFactor()88 qreal animationFactor() const {return m_animationFactor; } setAnimationFactor(qreal f)89 void setAnimationFactor(qreal f) {m_animationFactor = f; } 90 91 signals: 92 void animationDone(); 93 94 protected: 95 void timerEvent(QTimerEvent *event) override; 96 97 private: 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; 113 114 public 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 }; 124 125 class Compositor : public QWaylandCompositor 126 { 127 Q_OBJECT 128 public: 129 Compositor(QWindow *window); 130 ~Compositor() override; 131 void create() override; 132 133 void startRender(); 134 void endRender(); 135 views()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(); 145 protected: 146 void adjustCursorSurface(QWaylandSurface *surface, int hotspotX, int hotspotY); 147 148 signals: 149 void startMove(); 150 void startResize(int edge, bool anchored); 151 void dragStarted(View *dragIcon); 152 void frameOffset(const QPoint &offset); 153 154 public slots: 155 void triggerRender(); 156 157 private 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(); 181 private: 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 }; 191 192 193 QT_END_NAMESPACE 194 195 #endif // WINDOWCOMPOSITOR_H 196