| 1 | /* $Id: QIFileDialog.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - Qt extensions: QIFileDialog class implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2009-2023 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 | #ifdef VBOX_WS_MAC
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| 30 | # include <QEventLoop>
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| 31 | #endif
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| 32 |
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| 33 | /* GUI includes: */
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| 34 | #include "QIFileDialog.h"
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| 35 | #include "UIModalWindowManager.h"
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| 36 |
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| 37 |
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| 38 | QIFileDialog::QIFileDialog(QWidget *pParent, Qt::WindowFlags enmFlags)
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| 39 | : QFileDialog(pParent, enmFlags)
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| 40 | {
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| 41 | }
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| 42 |
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| 43 | /* static */
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| 44 | QString QIFileDialog::getExistingDirectory(const QString &strDir,
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| 45 | QWidget *pParent,
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| 46 | const QString &strCaption,
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| 47 | bool fDirOnly,
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| 48 | bool fResolveSymLinks)
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| 49 | {
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| 50 | #ifdef VBOX_WS_MAC
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| 51 |
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| 52 | // WORKAROUND:
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| 53 | // After 4.5 exec ignores the Qt::Sheet flag.
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| 54 | // See "New Ways of Using Dialogs" in http://doc.trolltech.com/qq/QtQuarterly30.pdf why.
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| 55 | // We want the old behavior for file-save dialog. Unfortunately there is a bug in Qt 4.5.x
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| 56 | // which result in showing the native & the Qt dialog at the same time.
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| 57 | QWidget *pRealParent = windowManager().realParentWindow(pParent);
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| 58 | QFileDialog dlg(pRealParent);
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| 59 | windowManager().registerNewParent(&dlg, pRealParent);
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| 60 | dlg.setWindowTitle(strCaption);
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| 61 | dlg.setDirectory(strDir);
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| 62 | dlg.setOption(DontResolveSymlinks, !fResolveSymLinks);
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| 63 | dlg.setFileMode(QFileDialog::Directory);
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| 64 | if (fDirOnly)
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| 65 | dlg.setOption(ShowDirsOnly, true);
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| 66 |
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| 67 | QEventLoop eventLoop;
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| 68 | QObject::connect(&dlg, &QFileDialog::finished,
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| 69 | &eventLoop, &QEventLoop::quit);
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| 70 | dlg.open();
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| 71 | eventLoop.exec();
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| 72 |
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| 73 | return dlg.result() == QDialog::Accepted ? dlg.selectedFiles().value(0, QString()) : QString();
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| 74 |
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| 75 | #else /* !VBOX_WS_MAC */
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| 76 |
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| 77 | QFileDialog::Options o;
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| 78 | if (fDirOnly)
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| 79 | o |= QFileDialog::ShowDirsOnly;
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| 80 | if (!fResolveSymLinks)
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| 81 | o |= QFileDialog::DontResolveSymlinks;
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| 82 | return QFileDialog::getExistingDirectory(pParent, strCaption, strDir, o);
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| 83 |
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| 84 | #endif /* !VBOX_WS_MAC */
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| 85 | }
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| 86 |
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| 87 | /* static */
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| 88 | QString QIFileDialog::getSaveFileName(const QString &strStartWith,
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| 89 | const QString &strFilters,
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| 90 | QWidget *pParent,
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| 91 | const QString &strCaption,
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| 92 | QString *pStrSelectedFilter /* = 0 */,
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| 93 | bool fResolveSymLinks /* = true */,
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| 94 | bool fConfirmOverwrite /* = false */)
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| 95 | {
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| 96 | #ifdef VBOX_WS_MAC
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| 97 |
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| 98 | // WORKAROUND:
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| 99 | // After 4.5 exec ignores the Qt::Sheet flag.
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| 100 | // See "New Ways of Using Dialogs" in http://doc.trolltech.com/qq/QtQuarterly30.pdf why.
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| 101 | // We want the old behavior for file-save dialog. Unfortunately there is a bug in Qt 4.5.x
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| 102 | // which result in showing the native & the Qt dialog at the same time.
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| 103 | QWidget *pRealParent = windowManager().realParentWindow(pParent);
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| 104 | QFileDialog dlg(pRealParent);
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| 105 | windowManager().registerNewParent(&dlg, pRealParent);
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| 106 | dlg.setWindowTitle(strCaption);
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| 107 |
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| 108 | /* Some predictive algorithm which seems missed in native code. */
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| 109 | QDir dir(strStartWith);
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| 110 | while (!dir.isRoot() && !dir.exists())
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| 111 | dir = QDir(QFileInfo(dir.absolutePath()).absolutePath());
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| 112 | const QString strDirectory = dir.absolutePath();
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| 113 | if (!strDirectory.isNull())
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| 114 | dlg.setDirectory(strDirectory);
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| 115 | if (strDirectory != strStartWith)
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| 116 | dlg.selectFile(QFileInfo(strStartWith).absoluteFilePath());
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| 117 |
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| 118 | dlg.setNameFilter(strFilters);
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| 119 | dlg.setFileMode(QFileDialog::AnyFile);
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| 120 | dlg.setAcceptMode(QFileDialog::AcceptSave);
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| 121 | if (pStrSelectedFilter)
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| 122 | dlg.selectNameFilter(*pStrSelectedFilter);
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| 123 | dlg.setOption(DontResolveSymlinks, !fResolveSymLinks);
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| 124 | dlg.setOption(DontConfirmOverwrite, !fConfirmOverwrite);
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| 125 |
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| 126 | QEventLoop eventLoop;
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| 127 | QObject::connect(&dlg, &QFileDialog::finished,
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| 128 | &eventLoop, &QEventLoop::quit);
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| 129 | dlg.open();
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| 130 | eventLoop.exec();
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| 131 |
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| 132 | return dlg.result() == QDialog::Accepted ? dlg.selectedFiles().value(0, QString()) : QString();
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| 133 |
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| 134 | #else /* !VBOX_WS_MAC */
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| 135 |
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| 136 | QFileDialog::Options o;
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| 137 | if (!fResolveSymLinks)
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| 138 | o |= QFileDialog::DontResolveSymlinks;
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| 139 | if (!fConfirmOverwrite)
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| 140 | o |= QFileDialog::DontConfirmOverwrite;
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| 141 | return QFileDialog::getSaveFileName(pParent, strCaption, strStartWith,
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| 142 | strFilters, pStrSelectedFilter, o);
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| 143 |
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| 144 | #endif /* !VBOX_WS_MAC */
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| 145 | }
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| 146 |
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| 147 | /* static */
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| 148 | QString QIFileDialog::getOpenFileName(const QString &strStartWith,
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| 149 | const QString &strFilters,
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| 150 | QWidget *pParent,
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| 151 | const QString &strCaption,
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| 152 | QString *pStrSelectedFilter /* = 0 */,
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| 153 | bool fResolveSymLinks /* = true */)
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| 154 | {
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| 155 | return getOpenFileNames(strStartWith,
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| 156 | strFilters,
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| 157 | pParent,
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| 158 | strCaption,
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| 159 | pStrSelectedFilter,
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| 160 | fResolveSymLinks,
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| 161 | true /* fSingleFile */).value(0, "");
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| 162 | }
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| 163 |
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| 164 | /* static */
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| 165 | QStringList QIFileDialog::getOpenFileNames(const QString &strStartWith,
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| 166 | const QString &strFilters,
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| 167 | QWidget *pParent,
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| 168 | const QString &strCaption,
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| 169 | QString *pStrSelectedFilter /* = 0 */,
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| 170 | bool fResolveSymLinks /* = true */,
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| 171 | bool fSingleFile /* = false */)
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| 172 | {
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| 173 | #ifdef VBOX_WS_MAC
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| 174 |
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| 175 | // WORKAROUND:
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| 176 | // After 4.5 exec ignores the Qt::Sheet flag.
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| 177 | // See "New Ways of Using Dialogs" in http://doc.trolltech.com/qq/QtQuarterly30.pdf why.
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| 178 | // We want the old behavior for file-save dialog. Unfortunately there is a bug in Qt 4.5.x
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| 179 | // which result in showing the native & the Qt dialog at the same time.
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| 180 | QWidget *pRealParent = windowManager().realParentWindow(pParent);
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| 181 | QFileDialog dlg(pRealParent);
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| 182 | windowManager().registerNewParent(&dlg, pRealParent);
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| 183 | dlg.setWindowTitle(strCaption);
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| 184 |
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| 185 | /* Some predictive algorithm which seems missed in native code. */
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| 186 | QDir dir(strStartWith);
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| 187 | while (!dir.isRoot() && !dir.exists())
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| 188 | dir = QDir(QFileInfo(dir.absolutePath()).absolutePath());
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| 189 | const QString strDirectory = dir.absolutePath();
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| 190 | if (!strDirectory.isNull())
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| 191 | dlg.setDirectory(strDirectory);
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| 192 | if (strDirectory != strStartWith)
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| 193 | dlg.selectFile(QFileInfo(strStartWith).absoluteFilePath());
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| 194 |
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| 195 | dlg.setNameFilter(strFilters);
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| 196 | if (fSingleFile)
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| 197 | dlg.setFileMode(QFileDialog::ExistingFile);
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| 198 | else
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| 199 | dlg.setFileMode(QFileDialog::ExistingFiles);
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| 200 | if (pStrSelectedFilter)
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| 201 | dlg.selectNameFilter(*pStrSelectedFilter);
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| 202 | dlg.setOption(DontResolveSymlinks, !fResolveSymLinks);
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| 203 |
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| 204 | QEventLoop eventLoop;
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| 205 | QObject::connect(&dlg, &QFileDialog::finished,
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| 206 | &eventLoop, &QEventLoop::quit);
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| 207 | dlg.open();
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| 208 | eventLoop.exec();
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| 209 |
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| 210 | return dlg.result() == QDialog::Accepted ? dlg.selectedFiles() : QStringList() << QString();
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| 211 |
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| 212 | #else
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| 213 |
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| 214 | QFileDialog::Options o;
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| 215 | if (!fResolveSymLinks)
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| 216 | o |= QFileDialog::DontResolveSymlinks;
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| 217 |
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| 218 | if (fSingleFile)
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| 219 | return QStringList() << QFileDialog::getOpenFileName(pParent, strCaption, strStartWith,
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| 220 | strFilters, pStrSelectedFilter, o);
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| 221 | else
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| 222 | return QFileDialog::getOpenFileNames(pParent, strCaption, strStartWith,
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| 223 | strFilters, pStrSelectedFilter, o);
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| 224 |
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| 225 | #endif
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| 226 | }
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| 227 |
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| 228 | /* static */
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| 229 | QString QIFileDialog::getFirstExistingDir(const QString &strStartDir)
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| 230 | {
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| 231 | QString strResult = QString();
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| 232 | QDir dir(strStartDir);
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| 233 | while (!dir.exists() && !dir.isRoot())
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| 234 | {
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| 235 | QFileInfo dirInfo(dir.absolutePath());
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| 236 | if (dir == QDir(dirInfo.absolutePath()))
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| 237 | break;
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| 238 | dir = dirInfo.absolutePath();
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| 239 | }
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| 240 | if (dir.exists() && !dir.isRoot())
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| 241 | strResult = dir.absolutePath();
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| 242 | return strResult;
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| 243 | }
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