| 1 | /* $Id: UIMachineViewScale.h 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - UIMachineViewScale class declaration.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef FEQT_INCLUDED_SRC_runtime_scale_UIMachineViewScale_h
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| 29 | #define FEQT_INCLUDED_SRC_runtime_scale_UIMachineViewScale_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | /* GUI includes: */
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| 35 | #include "UIMachineView.h"
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| 36 |
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| 37 | /** UIMachineView subclass used as scaled machine view implementation. */
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| 38 | class UIMachineViewScale : public UIMachineView
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| 39 | {
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| 40 | Q_OBJECT;
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| 41 |
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| 42 | public:
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| 43 |
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| 44 | /* Scale machine-view constructor: */
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| 45 | UIMachineViewScale(UIMachineWindow *pMachineWindow, ulong uScreenId);
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| 46 | /* Scale machine-view destructor: */
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| 47 | virtual ~UIMachineViewScale() {}
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| 48 |
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| 49 | private slots:
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| 50 |
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| 51 | /* Slot to perform guest resize: */
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| 52 | void sltPerformGuestScale();
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| 53 |
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| 54 | private:
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| 55 |
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| 56 | /* Event handlers: */
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| 57 | bool eventFilter(QObject *pWatched, QEvent *pEvent) RT_OVERRIDE RT_FINAL;
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| 58 |
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| 59 | /** Applies machine-view scale-factor. */
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| 60 | void applyMachineViewScaleFactor() RT_OVERRIDE RT_FINAL;
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| 61 |
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| 62 | /** Resends guest size-hint. */
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| 63 | void resendSizeHint() RT_OVERRIDE RT_FINAL;
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| 64 |
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| 65 | /* Private helpers: */
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| 66 | QSize sizeHint() const RT_OVERRIDE RT_FINAL;
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| 67 | QRect workingArea() const RT_OVERRIDE RT_FINAL;
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| 68 | QSize calculateMaxGuestSize() const RT_OVERRIDE RT_FINAL;
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| 69 | void updateSliders() RT_OVERRIDE RT_FINAL;
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| 70 | };
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| 71 |
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| 72 | #endif /* !FEQT_INCLUDED_SRC_runtime_scale_UIMachineViewScale_h */
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