[382] | 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Qt GUI ("VirtualBox"):
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[30408] | 4 | * UIMouseHandler class declaration
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[382] | 5 | */
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| 6 |
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| 7 | /*
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[28800] | 8 | * Copyright (C) 2010 Oracle Corporation
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[382] | 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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[5999] | 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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[382] | 17 | */
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| 18 |
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[30408] | 19 | #ifndef ___UIMouseHandler_h___
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| 20 | #define ___UIMouseHandler_h___
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[382] | 21 |
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[26637] | 22 | /* Global includes */
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[30408] | 23 | #include <QObject>
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| 24 | #include <QPoint>
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| 25 | #include <QMap>
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[35906] | 26 | #include <QRect>
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[382] | 27 |
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[26637] | 28 | /* Local includes */
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| 29 | #include "UIMachineDefs.h"
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[6467] | 30 |
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[30408] | 31 | /* Global forwards */
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| 32 | class QWidget;
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[26699] | 33 |
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[26754] | 34 | /* Local forwards */
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[30408] | 35 | class CSession;
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[26815] | 36 | class UISession;
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[27021] | 37 | class UIMachineLogic;
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[34471] | 38 | class UIMachineWindow;
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[30408] | 39 | class UIMachineView;
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[30637] | 40 | #ifdef Q_WS_X11
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| 41 | typedef union _XEvent XEvent;
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| 42 | #endif /* Q_WS_X11 */
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[26699] | 43 |
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[30408] | 44 | /* Delegate to control VM mouse functionality: */
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| 45 | class UIMouseHandler : public QObject
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[382] | 46 | {
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[26637] | 47 | Q_OBJECT;
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[382] | 48 |
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| 49 | public:
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| 50 |
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[30408] | 51 | /* Factory functions to create/destroy mouse-handler: */
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| 52 | static UIMouseHandler* create(UIMachineLogic *pMachineLogic, UIVisualStateType visualStateType);
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| 53 | static void destroy(UIMouseHandler *pMouseHandler);
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[26889] | 54 |
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[34471] | 55 | /* Prepare/cleanup listener for particular machine-window: */
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| 56 | void prepareListener(ulong uIndex, UIMachineWindow *pMachineWindow);
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| 57 | void cleanupListener(ulong uIndex);
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[382] | 58 |
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[30408] | 59 | /* Commands to capture/release mouse: */
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| 60 | void captureMouse(ulong uScreenId);
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| 61 | void releaseMouse();
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[26773] | 62 |
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[30408] | 63 | /* Setter for mouse-integration feature: */
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| 64 | void setMouseIntegrationEnabled(bool fEnabled);
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[382] | 65 |
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[30408] | 66 | /* Current mouse state: */
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| 67 | int mouseState() const;
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[26815] | 68 |
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[30637] | 69 | #ifdef Q_WS_X11
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| 70 | bool x11EventFilter(XEvent *pEvent, ulong uScreenId);
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| 71 | #endif /* Q_WS_X11 */
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| 72 |
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[26637] | 73 | signals:
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[382] | 74 |
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[30408] | 75 | /* Notifies listeners about mouse state-change: */
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| 76 | void mouseStateChanged(int iNewState);
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[26730] | 77 |
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[26773] | 78 | protected slots:
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| 79 |
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[30408] | 80 | /* Machine state-change handler: */
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[26815] | 81 | virtual void sltMachineStateChanged();
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[30408] | 82 |
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| 83 | /* Mouse capability-change handler: */
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[26815] | 84 | virtual void sltMouseCapabilityChanged();
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[26773] | 85 |
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[30408] | 86 | /* Mouse pointer-shape-change handler: */
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| 87 | virtual void sltMousePointerShapeChanged();
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[26967] | 88 |
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[30408] | 89 | protected:
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[28239] | 90 |
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[30408] | 91 | /* Mouse-handler constructor/destructor: */
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| 92 | UIMouseHandler(UIMachineLogic *pMachineLogic);
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| 93 | virtual ~UIMouseHandler();
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[26637] | 94 |
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[30408] | 95 | /* Getters: */
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| 96 | UIMachineLogic* machineLogic() const;
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| 97 | UISession* uisession() const;
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| 98 | CSession& session() const;
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[26754] | 99 |
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[30408] | 100 | /* Event handler for registered machine-view(s): */
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| 101 | bool eventFilter(QObject *pWatched, QEvent *pEvent);
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[382] | 102 |
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[30408] | 103 | /* Separate function to handle most of existing mouse-events: */
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| 104 | bool mouseEvent(int iEventType, ulong uScreenId,
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| 105 | const QPoint &relativePos, const QPoint &globalPos,
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| 106 | Qt::MouseButtons mouseButtons,
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| 107 | int wheelDelta, Qt::Orientation wheelDirection);
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[382] | 108 |
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[30408] | 109 | #ifdef Q_WS_WIN
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| 110 | /* This method is actually required only because under win-host
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| 111 | * we do not really grab the mouse in case of capturing it: */
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| 112 | void updateMouseCursorClipping();
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[35906] | 113 | QRect m_mouseCursorClippingRect;
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[30408] | 114 | #endif /* Q_WS_WIN */
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[382] | 115 |
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[30408] | 116 | /* Machine logic parent: */
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| 117 | UIMachineLogic *m_pMachineLogic;
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[382] | 118 |
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[34471] | 119 | /* Registered machine-windows(s): */
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| 120 | QMap<ulong, QWidget*> m_windows;
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[30408] | 121 | /* Registered machine-view(s): */
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| 122 | QMap<ulong, UIMachineView*> m_views;
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| 123 | /* Registered machine-view-viewport(s): */
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| 124 | QMap<ulong, QWidget*> m_viewports;
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[27012] | 125 |
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[30408] | 126 | /* Other mouse variables: */
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[26754] | 127 | QPoint m_lastMousePos;
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| 128 | QPoint m_capturedMousePos;
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[25304] | 129 | int m_iLastMouseWheelDelta;
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[30408] | 130 | int m_iMouseCaptureViewIndex;
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[382] | 131 | };
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| 132 |
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[30408] | 133 | #endif // !___UIMouseHandler_h___
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[27124] | 134 |
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