QFileIconProvider Class Reference

The QFileIconProvider class provides file icons for the QDirModel and the QFileSystemModel classes. More...

#include <qfileiconprovider.h>

Public Types
enum	IconType {   Computer, Desktop, Trashcan, Network,   Drive, Folder, File }

Public Functions
virtual QIcon	icon (IconType type) const
	Returns an icon set for the given type. More...
virtual QIcon	icon (const QFileInfo &info) const
	Returns an icon for the file described by info. More...
	QFileIconProvider ()
	Constructs a file icon provider. More...
virtual QString	type (const QFileInfo &info) const
	Returns the type of the file described by info. More...
virtual	~QFileIconProvider ()
	Destroys the file icon provider. More...

Properties
QScopedPointer< QFileIconProviderPrivate >	d_ptr

Friends
class	QFileDialog

Detailed Description

The QFileIconProvider class provides file icons for the QDirModel and the QFileSystemModel classes.

Definition at line 59 of file qfileiconprovider.h.

Enumerations

IconType

enum QFileIconProvider::IconType

• Computer
• Desktop
• Trashcan
• Network
• Drive
• Folder
• File

Enumerator
Computer
Desktop
Trashcan
Network
Drive
Folder
File

Definition at line 64 of file qfileiconprovider.h.

{ Computer, Desktop, Trashcan, Network, Drive, Folder, File };

Constructors and Destructors

QFileIconProvider()

QFileIconProvider::QFileIconProvider

(

)

Constructs a file icon provider.

Definition at line 165 of file qfileiconprovider.cpp.

    : d_ptr(new QFileIconProviderPrivate)
{
}

~QFileIconProvider()

QFileIconProvider::~QFileIconProvider ( )

virtual

Destroys the file icon provider.

Definition at line 175 of file qfileiconprovider.cpp.

{
}

Functions

icon() [1/2]

QIcon QFileIconProvider::icon ( IconType  type ) const

virtual

Returns an icon set for the given type.

Definition at line 183 of file qfileiconprovider.cpp.

Referenced by QFileInfoGatherer::getInfo(), icon(), QUrlModel::setUrl(), and QFileSystemModelPrivate::QFileSystemNode::updateIcon().

{
    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();
}

icon() [2/2]

QIcon QFileIconProvider::icon ( const QFileInfo &  info ) const

virtual

Returns an icon for the file described by info.

Definition at line 410 of file qfileiconprovider.cpp.

{
    Q_D(const QFileIconProvider);

    QIcon platformIcon = qt_guiPlatformPlugin()->fileSystemIcon(info);
    if (!platformIcon.isNull())
        return platformIcon;

#if defined(Q_WS_X11) && !defined(QT_NO_STYLE_GTK)
    if (X11->desktopEnvironment == DE_GNOME) {
        QIcon gtkIcon = QGtkStylePrivate::getFilesystemIcon(info);
        if (!gtkIcon.isNull())
            return gtkIcon;
    }
#endif

#ifdef Q_WS_MAC
    QIcon retIcon = d->getMacIcon(info);
    if (!retIcon.isNull())
        return retIcon;
#elif defined Q_WS_WIN
    QIcon icon = d->getWinIcon(info);
    if (!icon.isNull())
        return icon;
#endif
    if (info.isRoot())
#if defined (Q_WS_WIN) && !defined(Q_WS_WINCE)
    {
        UINT type = GetDriveType((wchar_t *)info.absoluteFilePath().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();
}

type()

QString QFileIconProvider::type ( const QFileInfo &  info ) const

virtual

Returns the type of the file described by info.

Definition at line 483 of file qfileiconprovider.cpp.

Referenced by QFileInfoGatherer::getInfo(), icon(), QFileSystemModelPrivate::QFileSystemNode::retranslateStrings(), and QDirModelPrivate::type().

{
    if (info.isRoot())
        return QApplication::translate("QFileDialog", "Drive");
    if (info.isFile()) {
        if (!info.suffix().isEmpty())
            return info.suffix() + QLatin1Char(' ') + QApplication::translate("QFileDialog", "File");
        return QApplication::translate("QFileDialog", "File");
    }

    if (info.isDir())
#ifdef Q_WS_WIN
        return QApplication::translate("QFileDialog", "File Folder", "Match Windows Explorer");
#else
        return QApplication::translate("QFileDialog", "Folder", "All other platforms");
#endif
    // Windows   - "File Folder"
    // OS X      - "Folder"
    // Konqueror - "Folder"
    // Nautilus  - "folder"

    if (info.isSymLink())
#ifdef Q_OS_MAC
        return QApplication::translate("QFileDialog", "Alias", "Mac OS X Finder");
#else
        return QApplication::translate("QFileDialog", "Shortcut", "All other platforms");
#endif
    // OS X      - "Alias"
    // Windows   - "Shortcut"
    // Konqueror - "Folder" or "TXT File" i.e. what it is pointing to
    // Nautilus  - "link to folder" or "link to object file", same as Konqueror

    return QApplication::translate("QFileDialog", "Unknown");
}

Friends and Related Functions

QFileDialog

friend class QFileDialog

friend

Definition at line 73 of file qfileiconprovider.h.

Properties

d_ptr

QScopedPointer<QFileIconProviderPrivate> QFileIconProvider::d_ptr

private

Definition at line 71 of file qfileiconprovider.h.

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The documentation for this class was generated from the following files:

• /src/gui/itemviews/qfileiconprovider.h
• /src/gui/itemviews/qfileiconprovider.cpp