| 1 | /* $Id: QIMessageBox.cpp 104586 2024-05-13 12:12:44Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - Qt extensions: QIMessageBox class 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 <QApplication>
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| 30 | #include <QCheckBox>
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| 31 | #include <QClipboard>
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| 32 | #include <QHBoxLayout>
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| 33 | #include <QLabel>
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| 34 | #include <QMimeData>
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| 35 | #include <QPushButton>
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| 36 | #include <QRegularExpression>
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| 37 | #include <QStyle>
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| 38 | #include <QVBoxLayout>
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| 39 |
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| 40 | /* GUI includes: */
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| 41 | #include "QIArrowSplitter.h"
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| 42 | #include "QIDialogButtonBox.h"
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| 43 | #include "QIMessageBox.h"
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| 44 | #include "QIRichTextLabel.h"
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| 45 | #include "UICommon.h"
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| 46 | #include "UIIconPool.h"
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| 47 | #include "UIHelpBrowserDialog.h"
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| 48 | #include "UIMessageCenter.h"
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| 49 |
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| 50 | /* Other VBox includes: */
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| 51 | #include <iprt/assert.h>
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| 52 |
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| 53 |
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| 54 | QIMessageBox::QIMessageBox(const QString &strTitle, const QString &strMessage, AlertIconType iconType,
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| 55 | int iButton1 /* = 0*/, int iButton2 /* = 0*/, int iButton3 /* = 0*/, QWidget *pParent /* = 0*/,
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| 56 | const QString &strHelpKeyword /* = QString() */)
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| 57 | : QIDialog(pParent)
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| 58 | , m_strTitle(strTitle)
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| 59 | , m_iconType(iconType)
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| 60 | , m_pLabelIcon(0)
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| 61 | , m_strMessage(strMessage)
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| 62 | , m_pLabelText(0)
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| 63 | , m_pFlagCheckBox(0)
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| 64 | , m_pDetailsContainer(0)
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| 65 | , m_iButton1(iButton1)
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| 66 | , m_iButton2(iButton2)
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| 67 | , m_iButton3(iButton3)
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| 68 | , m_iButtonEsc(0)
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| 69 | , m_pButton1(0)
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| 70 | , m_pButton2(0)
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| 71 | , m_pButton3(0)
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| 72 | , m_pButtonHelp(0)
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| 73 | , m_pButtonBox(0)
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| 74 | , m_strHelpKeyword(strHelpKeyword)
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| 75 | , m_fDone(false)
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| 76 | {
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| 77 | /* Prepare: */
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| 78 | prepare();
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| 79 | }
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| 80 |
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| 81 | void QIMessageBox::setDetailsText(const QString &strText)
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| 82 | {
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| 83 | /* Make sure details-text is NOT empty: */
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| 84 | AssertReturnVoid(!strText.isEmpty());
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| 85 |
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| 86 | /* Split details into paragraphs: */
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| 87 | QStringList paragraphs(strText.split("<!--EOP-->", Qt::SkipEmptyParts));
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| 88 | /* Make sure details-text has at least one paragraph: */
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| 89 | AssertReturnVoid(!paragraphs.isEmpty());
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| 90 |
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| 91 | /* Enumerate all the paragraphs: */
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| 92 | QStringPairList details;
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| 93 | foreach (const QString &strParagraph, paragraphs)
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| 94 | {
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| 95 | /* Split each paragraph into pairs: */
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| 96 | QStringList parts(strParagraph.split("<!--EOM-->", Qt::KeepEmptyParts));
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| 97 | /* Make sure each paragraph consist of 2 parts: */
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| 98 | AssertReturnVoid(parts.size() == 2);
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| 99 | /* Append each pair into details-list: */
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| 100 | details << QStringPair(parts[0], parts[1]);
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| 101 | }
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| 102 |
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| 103 | /* Pass details-list to details-container: */
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| 104 | m_pDetailsContainer->setDetails(details);
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| 105 | /* Update details-container finally: */
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| 106 | updateDetailsContainer();
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| 107 | }
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| 108 |
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| 109 | bool QIMessageBox::flagChecked() const
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| 110 | {
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| 111 | return m_pFlagCheckBox->isChecked();
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| 112 | }
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| 113 |
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| 114 | void QIMessageBox::setFlagChecked(bool fChecked)
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| 115 | {
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| 116 | m_pFlagCheckBox->setChecked(fChecked);
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| 117 | }
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| 118 |
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| 119 | void QIMessageBox::setFlagText(const QString &strFlagText)
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| 120 | {
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| 121 | /* Pass text to flag check-box: */
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| 122 | m_pFlagCheckBox->setText(strFlagText);
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| 123 | /* Update flag check-box finally: */
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| 124 | updateCheckBox();
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| 125 | }
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| 126 |
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| 127 | void QIMessageBox::setButtonText(int iButton, const QString &strText)
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| 128 | {
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| 129 | switch (iButton)
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| 130 | {
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| 131 | case 0: if (m_pButton1) m_pButton1->setText(strText); break;
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| 132 | case 1: if (m_pButton2) m_pButton2->setText(strText); break;
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| 133 | case 2: if (m_pButton3) m_pButton3->setText(strText); break;
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| 134 | default: break;
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | void QIMessageBox::polishEvent(QShowEvent *pPolishEvent)
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| 139 | {
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| 140 | /* Call to base-class: */
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| 141 | QIDialog::polishEvent(pPolishEvent);
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| 142 |
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| 143 | /* Update size finally: */
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| 144 | sltUpdateSize();
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| 145 | }
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| 146 |
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| 147 | void QIMessageBox::closeEvent(QCloseEvent *pCloseEvent)
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| 148 | {
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| 149 | if (m_fDone)
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| 150 | pCloseEvent->accept();
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| 151 | else
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| 152 | {
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| 153 | pCloseEvent->ignore();
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| 154 | reject();
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| 155 | }
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| 156 | }
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| 157 |
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| 158 | void QIMessageBox::sltUpdateSize()
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| 159 | {
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| 160 | /* Fix minimum possible size: */
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| 161 | setFixedSize(minimumSizeHint());
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| 162 | }
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| 163 |
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| 164 | void QIMessageBox::sltCopy() const
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| 165 | {
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| 166 | /* Create the error string with all errors. First the html version. */
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| 167 | QString strError = "<html><body><p>" + m_strMessage + "</p>";
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| 168 | foreach (const QStringPair &pair, m_pDetailsContainer->details())
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| 169 | strError += pair.first + pair.second + "<br>";
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| 170 | strError += "</body></html>";
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| 171 | strError.remove(QRegularExpression("</+qt>"));
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| 172 | strError = strError.replace(QRegularExpression(" "), " ");
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| 173 | /* Create a new mime data object holding both the html and the plain text version. */
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| 174 | QMimeData *pMimeData = new QMimeData();
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| 175 | pMimeData->setHtml(strError);
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| 176 | /* Replace all the html entities. */
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| 177 | strError = strError.replace(QRegularExpression("<br>|</tr>"), "\n");
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| 178 | strError = strError.replace(QRegularExpression("</p>"), "\n\n");
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| 179 | strError = strError.remove(QRegularExpression("<[^>]*>"));
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| 180 | pMimeData->setText(strError);
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| 181 | /* Add the mime data to the global clipboard. */
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| 182 | QClipboard *pClipboard = QApplication::clipboard();
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| 183 | pClipboard->setMimeData(pMimeData);
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| 184 | }
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| 185 |
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| 186 | void QIMessageBox::reject()
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| 187 | {
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| 188 | if (m_iButtonEsc)
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| 189 | {
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| 190 | QDialog::reject();
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| 191 | setResult(m_iButtonEsc & AlertButtonMask);
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| 192 | }
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| 193 | }
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| 194 |
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| 195 | void QIMessageBox::prepare()
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| 196 | {
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| 197 | /* Set caption: */
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| 198 | setWindowTitle(m_strTitle);
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| 199 |
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| 200 | /* Create main-layout: */
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| 201 | QVBoxLayout *pMainLayout = new QVBoxLayout(this);
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| 202 | AssertPtrReturnVoid(pMainLayout);
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| 203 | {
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| 204 | /* Configure main-layout: */
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| 205 | #ifdef VBOX_WS_MAC
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| 206 | pMainLayout->setContentsMargins(40, 20, 40, 20);
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| 207 | pMainLayout->setSpacing(15);
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| 208 | #else
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| 209 | pMainLayout->setSpacing(qApp->style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing) * 2);
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| 210 | #endif
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| 211 | /* Create top-layout: */
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| 212 | QHBoxLayout *pTopLayout = new QHBoxLayout;
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| 213 | AssertPtrReturnVoid(pTopLayout);
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| 214 | {
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| 215 | /* Configure top-layout: */
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| 216 | pTopLayout->setContentsMargins(0, 0, 0, 0);
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| 217 | /* Create icon-label: */
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| 218 | m_pLabelIcon = new QLabel;
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| 219 | AssertPtrReturnVoid(m_pLabelIcon);
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| 220 | {
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| 221 | /* Configure icon-label: */
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| 222 | m_pLabelIcon->setPixmap(standardPixmap(m_iconType, this));
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| 223 | m_pLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
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| 224 | m_pLabelIcon->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum);
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| 225 | /* Add icon-label into top-layout: */
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| 226 | pTopLayout->addWidget(m_pLabelIcon);
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| 227 | }
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| 228 | /* Create text-label: */
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| 229 | m_pLabelText = new QIRichTextLabel;
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| 230 | AssertPtrReturnVoid(m_pLabelText);
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| 231 | {
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| 232 | /* Configure text-label: */
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| 233 | m_pLabelText->setText(compressLongWords(m_strMessage));
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| 234 | /* Add text-label into top-layout: */
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| 235 | pTopLayout->addWidget(m_pLabelText);
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| 236 | }
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| 237 | /* Add top-layout into main-layout: */
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| 238 | pMainLayout->addLayout(pTopLayout);
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| 239 | }
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| 240 | /* Create details-container: */
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| 241 | m_pDetailsContainer = new QIArrowSplitter;
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| 242 | AssertPtrReturnVoid(m_pDetailsContainer);
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| 243 | {
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| 244 | /* Configure container: */
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| 245 | connect(m_pDetailsContainer, &QIArrowSplitter::sigSizeHintChange,
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| 246 | this, &QIMessageBox::sltUpdateSize);
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| 247 | /* Add details-container into main-layout: */
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| 248 | pMainLayout->addWidget(m_pDetailsContainer);
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| 249 | /* Update details-container finally: */
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| 250 | updateDetailsContainer();
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| 251 | }
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| 252 | /* Create flag check-box: */
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| 253 | m_pFlagCheckBox = new QCheckBox;
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| 254 | AssertPtrReturnVoid(m_pFlagCheckBox);
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| 255 | {
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| 256 | /* Configure flag check-box: */
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| 257 | m_pFlagCheckBox->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
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| 258 | /* Add flag check-box into main-layout: */
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| 259 | pMainLayout->addWidget(m_pFlagCheckBox, 0, Qt::AlignHCenter | Qt::AlignVCenter);
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| 260 | /* Update flag check-box finally: */
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| 261 | updateCheckBox();
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| 262 | }
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| 263 | /* Create button-box: */
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| 264 | m_pButtonBox = new QIDialogButtonBox;
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| 265 | AssertPtrReturnVoid(m_pButtonBox);
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| 266 | {
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| 267 | /* Configure button-box: */
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| 268 | m_pButtonBox->setCenterButtons(true);
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| 269 | m_pButton1 = createButton(m_iButton1);
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| 270 | if (m_pButton1)
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| 271 | connect(m_pButton1, &QPushButton::clicked, this, &QIMessageBox::sltDone1);
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| 272 | m_pButton2 = createButton(m_iButton2);
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| 273 | if (m_pButton2)
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| 274 | connect(m_pButton2, &QPushButton::clicked, this, &QIMessageBox::sltDone2);
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| 275 | m_pButton3 = createButton(m_iButton3);
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| 276 | if (m_pButton3)
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| 277 | connect(m_pButton3, &QPushButton::clicked, this, &QIMessageBox::sltDone3);
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| 278 | /* Create the help button and connect it to relevant slot in case a help word is supplied: */
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| 279 | if (!m_strHelpKeyword.isEmpty())
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| 280 | {
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| 281 | m_pButtonHelp = createButton(AlertButton_Help);
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| 282 | if (m_pButtonHelp)
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| 283 | {
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| 284 | uiCommon().setHelpKeyword(m_pButtonHelp, m_strHelpKeyword);
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| 285 | connect(m_pButtonHelp, &QPushButton::clicked, m_pButtonBox, &QIDialogButtonBox::sltHandleHelpRequest);
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| 286 | }
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| 287 | }
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| 288 |
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| 289 | /* Make sure Escape button always set: */
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| 290 | Assert(m_iButtonEsc);
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| 291 | /* If this is a critical message add a "Copy to clipboard" button: */
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| 292 | if (m_iconType == AlertIconType_Critical)
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| 293 | {
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| 294 | QPushButton *pCopyButton = createButton(AlertButton_Copy);
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| 295 | pCopyButton->setToolTip(tr("Copy all errors to the clipboard"));
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| 296 | connect(pCopyButton, &QPushButton::clicked, this, &QIMessageBox::sltCopy);
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| 297 | }
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| 298 | /* Add button-box into main-layout: */
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| 299 | pMainLayout->addWidget(m_pButtonBox);
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| 300 |
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| 301 | /* Prepare focus. It is important to prepare focus after adding button-box to the layout as
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| 302 | * parenting the button-box to the QDialog changes default button focus by Qt: */
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| 303 | prepareFocus();
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| 304 | }
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| 305 | }
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| 306 | }
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| 307 |
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| 308 | void QIMessageBox::prepareFocus()
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| 309 | {
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| 310 | /* Configure default button and focus: */
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| 311 | if (m_pButton1 && (m_iButton1 & AlertButtonOption_Default))
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| 312 | {
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| 313 | m_pButton1->setDefault(true);
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| 314 | m_pButton1->setFocus();
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| 315 | }
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| 316 | if (m_pButton2 && (m_iButton2 & AlertButtonOption_Default))
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| 317 | {
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| 318 | m_pButton2->setDefault(true);
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| 319 | m_pButton2->setFocus();
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| 320 | }
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| 321 | if (m_pButton3 && (m_iButton3 & AlertButtonOption_Default))
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| 322 | {
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| 323 | m_pButton3->setDefault(true);
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| 324 | m_pButton3->setFocus();
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| 325 | }
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| 326 | }
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| 327 |
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| 328 | QPushButton *QIMessageBox::createButton(int iButton)
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| 329 | {
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| 330 | /* Not for AlertButton_NoButton: */
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| 331 | if (iButton == 0)
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| 332 | return 0;
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| 333 |
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| 334 | /* Prepare button text & role: */
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| 335 | QString strText;
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| 336 | QDialogButtonBox::ButtonRole role;
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| 337 | switch (iButton & AlertButtonMask)
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| 338 | {
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| 339 | case AlertButton_Ok: strText = tr("OK"); role = QDialogButtonBox::AcceptRole; break;
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| 340 | case AlertButton_Cancel: strText = tr("Cancel"); role = QDialogButtonBox::RejectRole; break;
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| 341 | case AlertButton_Choice1: strText = tr("Yes"); role = QDialogButtonBox::YesRole; break;
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| 342 | case AlertButton_Choice2: strText = tr("No"); role = QDialogButtonBox::NoRole; break;
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| 343 | case AlertButton_Copy: strText = tr("Copy"); role = QDialogButtonBox::ActionRole; break;
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| 344 | case AlertButton_Help: strText = tr("Help"); role = QDialogButtonBox::HelpRole; break;
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| 345 | default:
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| 346 | AssertMsgFailed(("Type %d is not supported!", iButton));
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| 347 | return 0;
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| 348 | }
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| 349 |
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| 350 | /* Create push-button: */
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| 351 | QPushButton *pButton = m_pButtonBox->addButton(strText, role);
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| 352 |
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| 353 | /* Configure <escape> button: */
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| 354 | if (iButton & AlertButtonOption_Escape)
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| 355 | m_iButtonEsc = iButton & AlertButtonMask;
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| 356 |
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| 357 | /* Return button: */
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| 358 | return pButton;
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| 359 | }
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| 360 |
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| 361 | void QIMessageBox::updateDetailsContainer()
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| 362 | {
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| 363 | /* Details-container with details is always visible: */
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| 364 | m_pDetailsContainer->setVisible(!m_pDetailsContainer->details().isEmpty());
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| 365 | /* Update size: */
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| 366 | sltUpdateSize();
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| 367 | }
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| 368 |
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| 369 | void QIMessageBox::updateCheckBox()
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| 370 | {
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| 371 | /* Flag check-box with text is always visible: */
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| 372 | m_pFlagCheckBox->setVisible(!m_pFlagCheckBox->text().isEmpty());
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| 373 | /* Update size: */
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| 374 | sltUpdateSize();
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| 375 | }
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| 376 |
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| 377 | /* static */
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| 378 | QPixmap QIMessageBox::standardPixmap(AlertIconType iconType, QWidget *pWidget /* = 0*/)
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| 379 | {
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| 380 | /* Prepare standard icon: */
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| 381 | QIcon icon;
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| 382 | switch (iconType)
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| 383 | {
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| 384 | case AlertIconType_Information: icon = UIIconPool::defaultIcon(UIIconPool::UIDefaultIconType_MessageBoxInformation, pWidget); break;
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| 385 | case AlertIconType_Warning: icon = UIIconPool::defaultIcon(UIIconPool::UIDefaultIconType_MessageBoxWarning, pWidget); break;
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| 386 | case AlertIconType_Critical: icon = UIIconPool::defaultIcon(UIIconPool::UIDefaultIconType_MessageBoxCritical, pWidget); break;
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| 387 | case AlertIconType_Question: icon = UIIconPool::defaultIcon(UIIconPool::UIDefaultIconType_MessageBoxQuestion, pWidget); break;
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| 388 | case AlertIconType_GuruMeditation: icon = UIIconPool::iconSet(":/meditation_32px.png"); break;
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| 389 | default: break;
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| 390 | }
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| 391 | /* Return empty pixmap if nothing found: */
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| 392 | if (icon.isNull())
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| 393 | return QPixmap();
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|---|
| 394 | /* Return pixmap of standard size if possible: */
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| 395 | QStyle *pStyle = pWidget ? pWidget->style() : QApplication::style();
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| 396 | int iSize = pStyle->pixelMetric(QStyle::PM_MessageBoxIconSize, 0, pWidget);
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| 397 | return icon.pixmap(iSize, iSize);
|
|---|
| 398 | }
|
|---|
| 399 |
|
|---|
| 400 | /* static */
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|---|
| 401 | QString QIMessageBox::compressLongWords(QString strText)
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| 402 | {
|
|---|
| 403 | // WORKAROUND:
|
|---|
| 404 | // The idea is to compress long words of more than 100 symbols in size consisting of alphanumeric
|
|---|
| 405 | // characters with ellipsiss using the following template:
|
|---|
| 406 | // "[50 first symbols]...[50 last symbols]"
|
|---|
| 407 | const QRegularExpression re("[a-zA-Z0-9]{101,}");
|
|---|
| 408 | QRegularExpressionMatch mt = re.match(strText);
|
|---|
| 409 | int iPosition = mt.capturedStart();
|
|---|
| 410 | bool fChangeAllowed = iPosition != -1;
|
|---|
| 411 | while (fChangeAllowed)
|
|---|
| 412 | {
|
|---|
| 413 | QString strNewText = strText;
|
|---|
| 414 | const QString strFound = mt.captured();
|
|---|
| 415 | strNewText.replace(iPosition, strFound.size(), strFound.left(50) + "..." + strFound.right(50));
|
|---|
| 416 | fChangeAllowed = fChangeAllowed && strText != strNewText;
|
|---|
| 417 | strText = strNewText;
|
|---|
| 418 | mt = re.match(strText);
|
|---|
| 419 | iPosition = mt.capturedStart();
|
|---|
| 420 | fChangeAllowed = fChangeAllowed && iPosition != -1;
|
|---|
| 421 | }
|
|---|
| 422 | return strText;
|
|---|
| 423 | }
|
|---|
