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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qfileiconprovider.h"
#include "qfileiconprovider_p.h"
#include <qapplication.h>
#include <qdir.h>
#include <qpixmapcache.h>
#include <private/qfunctions_p.h>
#include <private/qguiapplication_p.h>
#include <private/qicon_p.h>
#include <private/qfilesystementry_p.h>
#include <qpa/qplatformintegration.h>
#include <qpa/qplatformservices.h>
#include <qpa/qplatformtheme.h>
#if defined(Q_OS_WIN)
# include <qt_windows.h>
# include <commctrl.h>
# include <objbase.h>
#endif
QT_BEGIN_NAMESPACE
/*!
\class QFileIconProvider
\inmodule QtWidgets
\brief The QFileIconProvider class provides file icons for the QFileSystemModel class.
*/
QFileIconProviderPrivate::QFileIconProviderPrivate(QFileIconProvider *q)
: QAbstractFileIconProviderPrivate(q), homePath(QDir::home().absolutePath())
{
}
QIcon QFileIconProviderPrivate::getIcon(QStyle::StandardPixmap name) const
{
switch (name) {
case QStyle::SP_FileIcon:
if (file.isNull())
file = QApplication::style()->standardIcon(name);
return file;
case QStyle::SP_FileLinkIcon:
if (fileLink.isNull())
fileLink = QApplication::style()->standardIcon(name);
return fileLink;
case QStyle::SP_DirIcon:
if (directory.isNull())
directory = QApplication::style()->standardIcon(name);
return directory;
case QStyle::SP_DirLinkIcon:
if (directoryLink.isNull())
directoryLink = QApplication::style()->standardIcon(name);
return directoryLink;
case QStyle::SP_DriveHDIcon:
if (harddisk.isNull())
harddisk = QApplication::style()->standardIcon(name);
return harddisk;
case QStyle::SP_DriveFDIcon:
if (floppy.isNull())
floppy = QApplication::style()->standardIcon(name);
return floppy;
case QStyle::SP_DriveCDIcon:
if (cdrom.isNull())
cdrom = QApplication::style()->standardIcon(name);
return cdrom;
case QStyle::SP_DriveNetIcon:
if (network.isNull())
network = QApplication::style()->standardIcon(name);
return network;
case QStyle::SP_ComputerIcon:
if (computer.isNull())
computer = QApplication::style()->standardIcon(name);
return computer;
case QStyle::SP_DesktopIcon:
if (desktop.isNull())
desktop = QApplication::style()->standardIcon(name);
return desktop;
case QStyle::SP_TrashIcon:
if (trashcan.isNull())
trashcan = QApplication::style()->standardIcon(name);
return trashcan;
case QStyle::SP_DirHomeIcon:
if (home.isNull())
home = QApplication::style()->standardIcon(name);
return home;
default:
return QIcon();
}
return QIcon();
}
/*!
Constructs a file icon provider.
*/
QFileIconProvider::QFileIconProvider()
: QAbstractFileIconProvider(*new QFileIconProviderPrivate(this))
{
}
/*!
Destroys the file icon provider.
*/
QFileIconProvider::~QFileIconProvider() = default;
/*!
\reimp
*/
QIcon QFileIconProvider::icon(IconType type) const
{
Q_D(const QFileIconProvider);
switch (type) {
case Computer:
return d->getIcon(QStyle::SP_ComputerIcon);
case Desktop:
return d->getIcon(QStyle::SP_DesktopIcon);
case Trashcan:
return d->getIcon(QStyle::SP_TrashIcon);
case Network:
return d->getIcon(QStyle::SP_DriveNetIcon);
case Drive:
return d->getIcon(QStyle::SP_DriveHDIcon);
case Folder:
return d->getIcon(QStyle::SP_DirIcon);
case File:
return d->getIcon(QStyle::SP_FileIcon);
default:
break;
};
return QIcon();
}
QIcon QFileIconProviderPrivate::getIcon(const QFileInfo &fi) const
{
return getPlatformThemeIcon(fi);
}
/*!
\reimp
*/
QIcon QFileIconProvider::icon(const QFileInfo &info) const
{
Q_D(const QFileIconProvider);
QIcon retIcon = d->getIcon(info);
if (!retIcon.isNull())
return retIcon;
const QString &path = info.absoluteFilePath();
if (path.isEmpty() || QFileSystemEntry::isRootPath(path))
#if defined (Q_OS_WIN)
{
UINT type = GetDriveType(reinterpret_cast<const wchar_t *>(path.utf16()));
switch (type) {
case DRIVE_REMOVABLE:
return d->getIcon(QStyle::SP_DriveFDIcon);
case DRIVE_FIXED:
return d->getIcon(QStyle::SP_DriveHDIcon);
case DRIVE_REMOTE:
return d->getIcon(QStyle::SP_DriveNetIcon);
case DRIVE_CDROM:
return d->getIcon(QStyle::SP_DriveCDIcon);
case DRIVE_RAMDISK:
case DRIVE_UNKNOWN:
case DRIVE_NO_ROOT_DIR:
default:
return d->getIcon(QStyle::SP_DriveHDIcon);
}
}
#else
return d->getIcon(QStyle::SP_DriveHDIcon);
#endif
if (info.isFile()) {
if (info.isSymLink())
return d->getIcon(QStyle::SP_FileLinkIcon);
else
return d->getIcon(QStyle::SP_FileIcon);
}
if (info.isDir()) {
if (info.isSymLink()) {
return d->getIcon(QStyle::SP_DirLinkIcon);
} else {
if (info.absoluteFilePath() == d->homePath) {
return d->getIcon(QStyle::SP_DirHomeIcon);
} else {
return d->getIcon(QStyle::SP_DirIcon);
}
}
}
return QIcon();
}
QT_END_NAMESPACE
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