| 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Qt GUI ("VirtualBox"):
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| 4 | * VBoxConsoleView class declaration
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 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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| 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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| 17 | *
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| 18 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 19 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 20 | * additional information or have any questions.
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| 21 | */
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| 22 |
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| 23 | #ifndef ___VBoxConsoleView_h___
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| 24 | #define ___VBoxConsoleView_h___
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| 25 |
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| 26 | #include "COMDefs.h"
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| 27 |
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| 28 | #include "VBoxDefs.h"
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| 29 | #include "VBoxGlobalSettings.h"
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| 30 |
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| 31 | /* Qt includes */
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| 32 | #include <QAbstractScrollArea>
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| 33 | #include <QScrollBar>
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| 34 |
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| 35 | #if defined (Q_WS_PM)
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| 36 | #include "src/os2/VBoxHlp.h"
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| 37 | #define UM_PREACCEL_CHAR WM_USER
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| 38 | #endif
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| 39 |
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| 40 | #if defined (Q_WS_MAC)
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| 41 | # include <ApplicationServices/ApplicationServices.h>
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| 42 | # ifndef QT_MAC_USE_COCOA
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| 43 | # include <Carbon/Carbon.h>
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| 44 | # endif /* !QT_MAC_USE_COCOA */
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| 45 | #endif
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| 46 |
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| 47 | class VBoxConsoleWnd;
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| 48 | class MousePointerChangeEvent;
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| 49 | class VBoxFrameBuffer;
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| 50 | class VBoxDockIconPreview;
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| 51 |
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| 52 | class QPainter;
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| 53 | class QLabel;
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| 54 | class QMenuData;
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| 55 |
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| 56 | class VBoxConsoleView : public QAbstractScrollArea
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| 57 | {
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| 58 | Q_OBJECT
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| 59 |
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| 60 | public:
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| 61 |
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| 62 | enum {
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| 63 | MouseCaptured = 0x01,
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| 64 | MouseAbsolute = 0x02,
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| 65 | MouseAbsoluteDisabled = 0x04,
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| 66 | MouseNeedsHostCursor = 0x08,
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| 67 | KeyboardCaptured = 0x01,
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| 68 | HostKeyPressed = 0x02,
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| 69 | };
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| 70 |
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| 71 | VBoxConsoleView (VBoxConsoleWnd *mainWnd,
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| 72 | const CConsole &console,
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| 73 | VBoxDefs::RenderMode rm,
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| 74 | #ifdef VBOX_WITH_VIDEOHWACCEL
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| 75 | bool accelerate2DVideo,
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| 76 | #endif
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| 77 | QWidget *parent = 0);
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| 78 | ~VBoxConsoleView();
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| 79 |
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| 80 | QSize sizeHint() const;
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| 81 |
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| 82 | void attach();
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| 83 | void detach();
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| 84 | void refresh() { doRefresh(); }
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| 85 | void normalizeGeometry (bool adjustPosition = false);
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| 86 |
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| 87 | CConsole &console() { return mConsole; }
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| 88 |
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| 89 | bool pause (bool on);
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| 90 | bool isPaused() { return mLastState == KMachineState_Paused; }
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| 91 | const QPixmap& pauseShot() const { return mPausedShot; }
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| 92 |
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| 93 | void setMouseIntegrationEnabled (bool enabled);
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| 94 |
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| 95 | bool isMouseAbsolute() const { return mMouseAbsolute; }
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| 96 |
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| 97 | bool shouldHideHostPointer() const
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| 98 | { return mMouseCaptured || (mMouseAbsolute && mHideHostPointer); }
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| 99 |
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| 100 | void setAutoresizeGuest (bool on);
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| 101 |
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| 102 | void onFullscreenChange (bool on);
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| 103 |
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| 104 | void onViewOpened();
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| 105 |
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| 106 | void fixModifierState (LONG *codes, uint *count);
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| 107 |
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| 108 | void toggleFSMode (const QSize &aSize = QSize());
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| 109 |
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| 110 | void setIgnoreMainwndResize (bool aYes) { mIgnoreMainwndResize = aYes; }
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| 111 |
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| 112 | QRect desktopGeometry();
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| 113 |
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| 114 | QRegion lastVisibleRegion() const;
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| 115 |
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| 116 | bool isAutoresizeGuestActive();
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| 117 |
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| 118 | /* todo: This are some support functions for the qt4 port. Maybe we get rid
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| 119 | * of them some day. */
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| 120 | int contentsX() const { return horizontalScrollBar()->value(); }
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| 121 | int contentsY() const { return verticalScrollBar()->value(); }
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| 122 | int contentsWidth() const;
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| 123 | int contentsHeight() const;
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| 124 | int visibleWidth() const { return horizontalScrollBar()->pageStep(); }
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| 125 | int visibleHeight() const { return verticalScrollBar()->pageStep(); }
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| 126 | void scrollBy (int dx, int dy)
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| 127 | {
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| 128 | horizontalScrollBar()->setValue (horizontalScrollBar()->value() + dx);
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| 129 | verticalScrollBar()->setValue (verticalScrollBar()->value() + dy);
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| 130 | }
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| 131 | QPoint viewportToContents ( const QPoint & vp ) const
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| 132 | {
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| 133 | return QPoint (vp.x() + contentsX(),
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| 134 | vp.y() + contentsY());
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| 135 | }
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| 136 | void updateSliders();
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| 137 |
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| 138 | void requestToResize (const QSize &aSize);
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| 139 |
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| 140 | #ifdef VBOX_WITH_VIDEOHWACCEL
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| 141 | void scrollContentsBy (int dx, int dy);
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| 142 | #endif
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| 143 |
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| 144 | #if defined(Q_WS_MAC)
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| 145 | void updateDockIcon();
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| 146 | void updateDockOverlay();
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| 147 | void setDockIconEnabled (bool aOn) { mDockIconEnabled = aOn; };
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| 148 | void setMouseCoalescingEnabled (bool aOn);
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| 149 | #endif
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| 150 |
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| 151 | signals:
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| 152 |
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| 153 | void keyboardStateChanged (int state);
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| 154 | void mouseStateChanged (int state);
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| 155 | void machineStateChanged (KMachineState state);
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| 156 | void additionsStateChanged (const QString &, bool, bool, bool);
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| 157 | void mediaDriveChanged (VBoxDefs::MediumType aType);
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| 158 | void networkStateChange();
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| 159 | void usbStateChange();
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| 160 | void sharedFoldersChanged();
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| 161 | void resizeHintDone();
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| 162 |
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| 163 | protected:
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| 164 |
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| 165 | // events
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| 166 | bool event (QEvent *e);
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| 167 | bool eventFilter (QObject *watched, QEvent *e);
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| 168 |
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| 169 | #if defined(Q_WS_WIN32)
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| 170 | bool winLowKeyboardEvent (UINT msg, const KBDLLHOOKSTRUCT &event);
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| 171 | bool winEvent (MSG *aMsg, long *aResult);
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| 172 | #elif defined(Q_WS_PM)
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| 173 | bool pmEvent (QMSG *aMsg);
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| 174 | #elif defined(Q_WS_X11)
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| 175 | bool x11Event (XEvent *event);
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| 176 | #elif defined(Q_WS_MAC)
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| 177 | bool darwinKeyboardEvent (const void *pvCocoaEvent, EventRef inEvent);
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| 178 | void darwinGrabKeyboardEvents (bool fGrab);
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| 179 | #endif
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| 180 |
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| 181 | private:
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| 182 |
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| 183 | /** Flags for keyEvent(). */
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| 184 | enum {
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| 185 | KeyExtended = 0x01,
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| 186 | KeyPressed = 0x02,
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| 187 | KeyPause = 0x04,
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| 188 | KeyPrint = 0x08,
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| 189 | };
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| 190 |
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| 191 | void focusEvent (bool aHasFocus, bool aReleaseHostKey = true);
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| 192 | bool keyEvent (int aKey, uint8_t aScan, int aFlags,
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| 193 | wchar_t *aUniKey = NULL);
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| 194 | bool mouseEvent (int aType, const QPoint &aPos, const QPoint &aGlobalPos,
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| 195 | Qt::MouseButtons aButtons, Qt::KeyboardModifiers aModifiers,
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| 196 | int aWheelDelta, Qt::Orientation aWheelDir);
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| 197 |
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| 198 | void emitKeyboardStateChanged()
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| 199 | {
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| 200 | emit keyboardStateChanged (
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| 201 | (mKbdCaptured ? KeyboardCaptured : 0) |
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| 202 | (mIsHostkeyPressed ? HostKeyPressed : 0));
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| 203 | }
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| 204 |
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| 205 | void emitMouseStateChanged() {
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| 206 | emit mouseStateChanged ((mMouseCaptured ? MouseCaptured : 0) |
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| 207 | (mMouseAbsolute ? MouseAbsolute : 0) |
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| 208 | (!mMouseIntegration ? MouseAbsoluteDisabled : 0));
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| 209 | }
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| 210 |
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| 211 | // IConsoleCallback event handlers
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| 212 | void onStateChange (KMachineState state);
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| 213 |
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| 214 | void doRefresh();
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| 215 |
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| 216 | void resizeEvent (QResizeEvent *);
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| 217 | void moveEvent (QMoveEvent *);
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| 218 | void paintEvent (QPaintEvent *);
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| 219 |
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| 220 | void captureKbd (bool aCapture, bool aEmitSignal = true);
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| 221 | void captureMouse (bool aCapture, bool aEmitSignal = true);
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| 222 |
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| 223 | bool processHotKey (const QKeySequence &key, const QList<QAction*>& data);
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| 224 | void updateModifiers (bool fNumLock, bool fCapsLock, bool fScrollLock);
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| 225 |
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| 226 | void releaseAllPressedKeys (bool aReleaseHostKey = true);
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| 227 | void saveKeyStates();
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| 228 | void sendChangedKeyStates();
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| 229 | void updateMouseClipping();
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| 230 |
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| 231 | void setPointerShape (MousePointerChangeEvent *me);
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| 232 |
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| 233 | bool isRunning() { return mLastState == KMachineState_Running; }
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| 234 |
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| 235 | static void dimImage (QImage &img);
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| 236 |
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| 237 | private slots:
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| 238 |
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| 239 | void doResizeHint (const QSize &aSize = QSize());
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| 240 | void doResizeDesktop (int);
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| 241 |
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| 242 | private:
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| 243 |
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| 244 | enum DesktopGeo
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| 245 | {
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| 246 | DesktopGeo_Invalid = 0, DesktopGeo_Fixed,
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| 247 | DesktopGeo_Automatic, DesktopGeo_Any
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| 248 | };
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| 249 |
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| 250 | void setDesktopGeometry (DesktopGeo aGeo, int aWidth, int aHeight);
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| 251 | void setDesktopGeoHint (int aWidth, int aHeight);
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| 252 | void calculateDesktopGeometry();
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| 253 | void maybeRestrictMinimumSize();
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| 254 |
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| 255 | VBoxConsoleWnd *mMainWnd;
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| 256 |
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| 257 | CConsole mConsole;
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| 258 |
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| 259 | const VBoxGlobalSettings &gs;
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| 260 |
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| 261 | KMachineState mLastState;
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| 262 |
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| 263 | bool mAttached : 1;
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| 264 | bool mKbdCaptured : 1;
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| 265 | bool mMouseCaptured : 1;
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| 266 | bool mMouseAbsolute : 1;
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| 267 | bool mMouseIntegration : 1;
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| 268 | QPoint mLastPos;
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| 269 | QPoint mCapturedPos;
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| 270 |
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| 271 | bool mDisableAutoCapture : 1;
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| 272 |
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| 273 | enum { IsKeyPressed = 0x01, IsExtKeyPressed = 0x02, IsKbdCaptured = 0x80 };
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| 274 | uint8_t mPressedKeys [128];
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| 275 | uint8_t mPressedKeysCopy [128];
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| 276 |
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| 277 | bool mIsHostkeyPressed : 1;
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| 278 | bool mIsHostkeyAlone : 1;
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| 279 |
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| 280 | /** mKbdCaptured value during the the last host key press or release */
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| 281 | bool hostkey_in_capture : 1;
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| 282 |
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| 283 | bool mIgnoreMainwndResize : 1;
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| 284 | bool mAutoresizeGuest : 1;
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| 285 | bool mIgnoreFrameBufferResize : 1;
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| 286 |
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| 287 | /**
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| 288 | * This flag indicates whether the last console resize should trigger
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| 289 | * a size hint to the guest. This is important particularly when
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| 290 | * enabling the autoresize feature to know whether to send a hint.
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| 291 | */
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| 292 | bool mDoResize : 1;
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| 293 |
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| 294 | bool mGuestSupportsGraphics : 1;
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| 295 |
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| 296 | bool mNumLock : 1;
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| 297 | bool mScrollLock : 1;
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| 298 | bool mCapsLock : 1;
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| 299 | long muNumLockAdaptionCnt;
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| 300 | long muCapsLockAdaptionCnt;
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| 301 |
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| 302 |
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| 303 | VBoxDefs::RenderMode mode;
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| 304 | #ifdef VBOX_WITH_VIDEOHWACCEL
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| 305 | bool mAccelerate2DVideo;
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| 306 | #endif
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| 307 |
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| 308 | QRegion mLastVisibleRegion;
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| 309 | QSize mNormalSize;
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| 310 |
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| 311 | #if defined(Q_WS_WIN)
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| 312 | HCURSOR mAlphaCursor;
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| 313 | #endif
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| 314 |
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| 315 | #if defined(Q_WS_MAC)
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| 316 | # if !defined (VBOX_WITH_HACKED_QT) && !defined (QT_MAC_USE_COCOA)
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| 317 | /** Event handler reference. NULL if the handler isn't installed. */
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| 318 | EventHandlerRef mDarwinEventHandlerRef;
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| 319 | # endif
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| 320 | /** The current modifier key mask. Used to figure out which modifier
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| 321 | * key was pressed when we get a kEventRawKeyModifiersChanged event. */
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| 322 | UInt32 mDarwinKeyModifiers;
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| 323 | bool mKeyboardGrabbed;
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| 324 | #endif
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| 325 |
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| 326 | VBoxFrameBuffer *mFrameBuf;
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| 327 | CConsoleCallback mCallback;
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| 328 |
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| 329 | friend class VBoxConsoleCallback;
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| 330 |
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| 331 | #if defined (Q_WS_WIN32)
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| 332 | static LRESULT CALLBACK lowLevelKeyboardProc (int nCode,
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| 333 | WPARAM wParam, LPARAM lParam);
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| 334 | #elif defined (Q_WS_MAC)
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| 335 | # if defined (QT_MAC_USE_COCOA)
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| 336 | static bool darwinEventHandlerProc (const void *pvCocoaEvent, const
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| 337 | void *pvCarbonEvent, void *pvUser);
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| 338 | # elif !defined (VBOX_WITH_HACKED_QT)
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| 339 | static pascal OSStatus darwinEventHandlerProc (EventHandlerCallRef inHandlerCallRef,
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| 340 | EventRef inEvent, void *inUserData);
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| 341 | # else /* VBOX_WITH_HACKED_QT */
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| 342 | static bool macEventFilter (EventRef inEvent, void *inUserData);
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| 343 | # endif /* VBOX_WITH_HACKED_QT */
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| 344 | #endif
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| 345 |
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| 346 | QPixmap mPausedShot;
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| 347 | #if defined(Q_WS_MAC)
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| 348 | # if !defined (QT_MAC_USE_COCOA)
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| 349 | EventHandlerRef mDarwinWindowOverlayHandlerRef;
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| 350 | # endif
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| 351 | VBoxDockIconPreview *mDockIconPreview;
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| 352 | bool mDockIconEnabled;
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| 353 | #endif
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| 354 | DesktopGeo mDesktopGeo;
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| 355 | QRect mDesktopGeometry;
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| 356 | QRect mLastSizeHint;
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| 357 | bool mPassCAD;
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| 358 | bool mHideHostPointer;
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| 359 | QCursor mLastCursor;
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| 360 | };
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| 361 |
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| 362 | #endif // !___VBoxConsoleView_h___
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| 363 |
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