| 1 | /* $Id: UICursor.cpp 100064 2023-06-04 09:10:01Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - UICursor namespace implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2023 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 | /* Qt includes: */
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| 29 | #include <QGraphicsWidget>
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| 30 | #include <QWidget>
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| 31 |
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| 32 | /* GUI includes: */
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| 33 | #include "UICommon.h"
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| 34 | #include "UICursor.h"
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| 35 |
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| 36 |
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| 37 | /* static */
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| 38 | void UICursor::setCursor(QWidget *pWidget, const QCursor &cursor)
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| 39 | {
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| 40 | if (!pWidget)
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| 41 | return;
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| 42 |
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| 43 | #ifdef VBOX_WS_NIX
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| 44 | /* As reported in https://www.virtualbox.org/ticket/16348,
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| 45 | * in X11 QWidget::setCursor(..) call uses RENDER
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| 46 | * extension. Qt (before 5.11) fails to handle the case where the mentioned extension
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| 47 | * is missing. Please see https://codereview.qt-project.org/#/c/225665/ for Qt patch: */
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| 48 | if ((UICommon::qtRTMajorVersion() < 5) ||
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| 49 | (UICommon::qtRTMajorVersion() == 5 && UICommon::qtRTMinorVersion() < 11))
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| 50 | {
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| 51 | if (NativeWindowSubsystem::checkExtension(uiCommon().X11ServerAvailable(), "RENDER"))
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| 52 | pWidget->setCursor(cursor);
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| 53 | }
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| 54 | else
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| 55 | {
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| 56 | pWidget->setCursor(cursor);
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| 57 | }
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| 58 | #else
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| 59 | pWidget->setCursor(cursor);
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| 60 | #endif
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| 61 | }
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| 62 |
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| 63 | /* static */
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| 64 | void UICursor::setCursor(QGraphicsWidget *pWidget, const QCursor &cursor)
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| 65 | {
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| 66 | if (!pWidget)
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| 67 | return;
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| 68 |
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| 69 | #ifdef VBOX_WS_NIX
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| 70 | /* As reported in https://www.virtualbox.org/ticket/16348,
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| 71 | * in X11 QGraphicsWidget::setCursor(..) call uses RENDER
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| 72 | * extension. Qt (before 5.11) fails to handle the case where the mentioned extension
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| 73 | * is missing. Please see https://codereview.qt-project.org/#/c/225665/ for Qt patch: */
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| 74 | if ((UICommon::qtRTMajorVersion() < 5) ||
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| 75 | (UICommon::qtRTMajorVersion() == 5 && UICommon::qtRTMinorVersion() < 11))
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| 76 | {
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| 77 | if (NativeWindowSubsystem::checkExtension(uiCommon().X11ServerAvailable(), "RENDER"))
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| 78 | pWidget->setCursor(cursor);
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| 79 | }
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| 80 | else
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| 81 | {
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| 82 | pWidget->setCursor(cursor);
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| 83 | }
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| 84 | #else
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| 85 | pWidget->setCursor(cursor);
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| 86 | #endif
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| 87 | }
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| 88 |
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| 89 | /* static */
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| 90 | void UICursor::unsetCursor(QWidget *pWidget)
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| 91 | {
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| 92 | if (!pWidget)
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| 93 | return;
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| 94 |
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| 95 | #ifdef VBOX_WS_NIX
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| 96 | /* As reported in https://www.virtualbox.org/ticket/16348,
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| 97 | * in X11 QWidget::unsetCursor(..) call uses RENDER
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| 98 | * extension. Qt (before 5.11) fails to handle the case where the mentioned extension
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| 99 | * is missing. Please see https://codereview.qt-project.org/#/c/225665/ for Qt patch: */
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| 100 | if ((UICommon::qtRTMajorVersion() < 5) ||
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| 101 | (UICommon::qtRTMajorVersion() == 5 && UICommon::qtRTMinorVersion() < 11))
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| 102 | {
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| 103 | if (NativeWindowSubsystem::checkExtension(uiCommon().X11ServerAvailable(), "RENDER"))
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| 104 | pWidget->unsetCursor();
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| 105 | }
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| 106 | else
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| 107 | {
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| 108 | pWidget->unsetCursor();
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| 109 | }
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| 110 | #else
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| 111 | pWidget->unsetCursor();
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| 112 | #endif
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| 113 | }
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| 114 |
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| 115 | /* static */
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| 116 | void UICursor::unsetCursor(QGraphicsWidget *pWidget)
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| 117 | {
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| 118 | if (!pWidget)
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| 119 | return;
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| 120 |
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| 121 | #ifdef VBOX_WS_NIX
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| 122 | /* As reported in https://www.virtualbox.org/ticket/16348,
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| 123 | * in X11 QGraphicsWidget::unsetCursor(..) call uses RENDER
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| 124 | * extension. Qt (before 5.11) fails to handle the case where the mentioned extension
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| 125 | * is missing. Please see https://codereview.qt-project.org/#/c/225665/ for Qt patch: */
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| 126 | if ((UICommon::qtRTMajorVersion() < 5) ||
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| 127 | (UICommon::qtRTMajorVersion() == 5 && UICommon::qtRTMinorVersion() < 11))
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| 128 | {
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| 129 | if (NativeWindowSubsystem::checkExtension(uiCommon().X11ServerAvailable(), "RENDER"))
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| 130 | pWidget->unsetCursor();
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| 131 | }
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| 132 | else
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| 133 | {
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| 134 | pWidget->unsetCursor();
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| 135 | }
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| 136 | #else
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| 137 | pWidget->unsetCursor();
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| 138 | #endif
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| 139 | }
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