summaryrefslogtreecommitdiffstats
path: root/src/gui/itemviews/qfileiconprovider.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/itemviews/qfileiconprovider.cpp
downloadQt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2
Long live Qt 4.5!
Diffstat (limited to 'src/gui/itemviews/qfileiconprovider.cpp')
-rw-r--r--src/gui/itemviews/qfileiconprovider.cpp449
1 files changed, 449 insertions, 0 deletions
diff --git a/src/gui/itemviews/qfileiconprovider.cpp b/src/gui/itemviews/qfileiconprovider.cpp
new file mode 100644
index 0000000..ac62551
--- /dev/null
+++ b/src/gui/itemviews/qfileiconprovider.cpp
@@ -0,0 +1,449 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfileiconprovider.h"
+
+#ifndef QT_NO_FILEICONPROVIDER
+#include <qstyle.h>
+#include <qapplication.h>
+#include <qdir.h>
+#if defined(Q_WS_WIN)
+#define _WIN32_IE 0x0500
+#include <objbase.h>
+#include <private/qpixmapdata_p.h>
+#include <qpixmapcache.h>
+#elif defined(Q_WS_MAC)
+#include <private/qt_mac_p.h>
+#endif
+#include <private/qfunctions_p.h>
+#ifdef Q_OS_WINCE
+#include <Commctrl.h>
+#endif
+
+#ifndef SHGFI_ADDOVERLAYS
+#define SHGFI_ADDOVERLAYS 0x000000020
+#endif
+
+QT_BEGIN_NAMESPACE
+
+/*!
+ \class QFileIconProvider
+
+ \brief The QFileIconProvider class provides file icons for the QDirModel class.
+*/
+
+/*!
+ \enum QFileIconProvider::IconType
+ \value Computer
+ \value Desktop
+ \value Trashcan
+ \value Network
+ \value Drive
+ \value Folder
+ \value File
+*/
+
+class QFileIconProviderPrivate
+{
+ Q_DECLARE_PUBLIC(QFileIconProvider)
+
+public:
+ QFileIconProviderPrivate();
+ QIcon getIcon(QStyle::StandardPixmap name) const;
+#ifdef Q_WS_WIN
+ QIcon getWinIcon(const QFileInfo &fi) const;
+#elif defined(Q_WS_MAC)
+ QIcon getMacIcon(const QFileInfo &fi) const;
+#endif
+ QFileIconProvider *q_ptr;
+ QString homePath;
+
+private:
+ QIcon file;
+ QIcon fileLink;
+ QIcon directory;
+ QIcon directoryLink;
+ QIcon harddisk;
+ QIcon floppy;
+ QIcon cdrom;
+ QIcon ram;
+ QIcon network;
+ QIcon computer;
+ QIcon desktop;
+ QIcon trashcan;
+ QIcon generic;
+ QIcon home;
+};
+
+QFileIconProviderPrivate::QFileIconProviderPrivate()
+{
+ QStyle *style = QApplication::style();
+ file = style->standardIcon(QStyle::SP_FileIcon);
+ directory = style->standardIcon(QStyle::SP_DirIcon);
+ fileLink = style->standardIcon(QStyle::SP_FileLinkIcon);
+ directoryLink = style->standardIcon(QStyle::SP_DirLinkIcon);
+ harddisk = style->standardIcon(QStyle::SP_DriveHDIcon);
+ floppy = style->standardIcon(QStyle::SP_DriveFDIcon);
+ cdrom = style->standardIcon(QStyle::SP_DriveCDIcon);
+ network = style->standardIcon(QStyle::SP_DriveNetIcon);
+ computer = style->standardIcon(QStyle::SP_ComputerIcon);
+ desktop = style->standardIcon(QStyle::SP_DesktopIcon);
+ trashcan = style->standardIcon(QStyle::SP_TrashIcon);
+ home = style->standardIcon(QStyle::SP_DirHomeIcon);
+ homePath = QDir::home().absolutePath();
+}
+
+QIcon QFileIconProviderPrivate::getIcon(QStyle::StandardPixmap name) const
+{
+ switch (name) {
+ case QStyle::SP_FileIcon:
+ return file;
+ case QStyle::SP_FileLinkIcon:
+ return fileLink;
+ case QStyle::SP_DirIcon:
+ return directory;
+ case QStyle::SP_DirLinkIcon:
+ return directoryLink;
+ case QStyle::SP_DriveHDIcon:
+ return harddisk;
+ case QStyle::SP_DriveFDIcon:
+ return floppy;
+ case QStyle::SP_DriveCDIcon:
+ return cdrom;
+ case QStyle::SP_DriveNetIcon:
+ return network;
+ case QStyle::SP_ComputerIcon:
+ return computer;
+ case QStyle::SP_DesktopIcon:
+ return desktop;
+ case QStyle::SP_TrashIcon:
+ return trashcan;
+ case QStyle::SP_DirHomeIcon:
+ return home;
+ default:
+ return QIcon();
+ }
+ return QIcon();
+}
+
+/*!
+ Constructs a file icon provider.
+*/
+
+QFileIconProvider::QFileIconProvider()
+ : d_ptr(new QFileIconProviderPrivate)
+{
+}
+
+/*!
+ Destroys the file icon provider.
+
+*/
+
+QFileIconProvider::~QFileIconProvider()
+{
+ delete d_ptr;
+}
+
+/*!
+ Returns an icon set for the given \a type.
+*/
+
+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();
+}
+
+#ifdef Q_WS_WIN
+QIcon QFileIconProviderPrivate::getWinIcon(const QFileInfo &fileInfo) const
+{
+ QIcon retIcon;
+ QString fileExtension = fileInfo.suffix().toUpper();
+ fileExtension.prepend( QLatin1String(".") );
+
+ QString key;
+ if (fileInfo.isFile() && !fileInfo.isExecutable() && !fileInfo.isSymLink())
+ key = QLatin1String("qt_") + fileExtension;
+
+ QPixmap pixmap;
+ if (!key.isEmpty()) {
+ QPixmapCache::find(key, pixmap);
+ }
+
+ if (!pixmap.isNull()) {
+ retIcon.addPixmap(pixmap);
+ if (QPixmapCache::find(key + QLatin1Char('l'), pixmap))
+ retIcon.addPixmap(pixmap);
+ return retIcon;
+ }
+
+ /* We don't use the variable, but by storing it statically, we
+ * ensure CoInitialize is only called once. */
+ static HRESULT comInit = CoInitialize(NULL);
+ Q_UNUSED(comInit);
+
+ SHFILEINFO info;
+ unsigned long val = 0;
+
+ //Get the small icon
+#ifndef Q_OS_WINCE
+ val = SHGetFileInfo((const WCHAR *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
+ sizeof(SHFILEINFO), SHGFI_ICON|SHGFI_SMALLICON|SHGFI_SYSICONINDEX|SHGFI_ADDOVERLAYS);
+#else
+ val = SHGetFileInfo((const WCHAR *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
+ sizeof(SHFILEINFO), SHGFI_SMALLICON|SHGFI_SYSICONINDEX);
+#endif
+ if (val) {
+ if (fileInfo.isDir() && !fileInfo.isRoot()) {
+ //using the unique icon index provided by windows save us from duplicate keys
+ key = QString::fromLatin1("qt_dir_%1").arg(info.iIcon);
+ QPixmapCache::find(key, pixmap);
+ if (!pixmap.isNull()) {
+ retIcon.addPixmap(pixmap);
+ if (QPixmapCache::find(key + QLatin1Char('l'), pixmap))
+ retIcon.addPixmap(pixmap);
+ DestroyIcon(info.hIcon);
+ return retIcon;
+ }
+ }
+ if (pixmap.isNull()) {
+#ifndef Q_OS_WINCE
+ pixmap = convertHIconToPixmap(info.hIcon);
+#else
+ pixmap = convertHIconToPixmap(ImageList_GetIcon((HIMAGELIST) val, info.iIcon, ILD_NORMAL));
+#endif
+ if (!pixmap.isNull()) {
+ retIcon.addPixmap(pixmap);
+ if (!key.isEmpty())
+ QPixmapCache::insert(key, pixmap);
+ }
+ else {
+ qWarning("QFileIconProviderPrivate::getWinIcon() no small icon found");
+ }
+ }
+ DestroyIcon(info.hIcon);
+ }
+
+ //Get the big icon
+#ifndef Q_OS_WINCE
+ val = SHGetFileInfo((const WCHAR *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
+ sizeof(SHFILEINFO), SHGFI_ICON|SHGFI_LARGEICON|SHGFI_SYSICONINDEX|SHGFI_ADDOVERLAYS);
+#else
+ val = SHGetFileInfo((const WCHAR *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
+ sizeof(SHFILEINFO), SHGFI_LARGEICON|SHGFI_SYSICONINDEX);
+#endif
+ if (val) {
+ if (fileInfo.isDir() && !fileInfo.isRoot()) {
+ //using the unique icon index provided by windows save us from duplicate keys
+ key = QString::fromLatin1("qt_dir_%1").arg(info.iIcon);
+ }
+#ifndef Q_OS_WINCE
+ pixmap = convertHIconToPixmap(info.hIcon);
+#else
+ pixmap = convertHIconToPixmap(ImageList_GetIcon((HIMAGELIST) val, info.iIcon, ILD_NORMAL), true);
+#endif
+ if (!pixmap.isNull()) {
+ retIcon.addPixmap(pixmap);
+ if (!key.isEmpty())
+ QPixmapCache::insert(key + QLatin1Char('l'), pixmap);
+ }
+ else {
+ qWarning("QFileIconProviderPrivate::getWinIcon() no large icon found");
+ }
+ DestroyIcon(info.hIcon);
+ }
+ return retIcon;
+}
+
+#elif defined(Q_WS_MAC)
+QIcon QFileIconProviderPrivate::getMacIcon(const QFileInfo &fi) const
+{
+ QIcon retIcon;
+ FSRef macRef;
+ OSStatus status = FSPathMakeRef(reinterpret_cast<const UInt8*>(fi.canonicalFilePath().toUtf8().constData()),
+ &macRef, 0);
+ if (status != noErr)
+ return retIcon;
+ FSCatalogInfo info;
+ HFSUniStr255 macName;
+ status = FSGetCatalogInfo(&macRef, kIconServicesCatalogInfoMask, &info, &macName, 0, 0);
+ if (status != noErr)
+ return retIcon;
+ IconRef iconRef;
+ SInt16 iconLabel;
+ status = GetIconRefFromFileInfo(&macRef, macName.length, macName.unicode, kIconServicesCatalogInfoMask, &info, kIconServicesNormalUsageFlag, &iconRef, &iconLabel);
+ if (status != noErr)
+ return retIcon;
+ extern void qt_mac_constructQIconFromIconRef(const IconRef, const IconRef, QIcon*, QStyle::StandardPixmap = QStyle::SP_CustomBase); // qmacstyle_mac.cpp
+ qt_mac_constructQIconFromIconRef(iconRef, 0, &retIcon);
+ ReleaseIconRef(iconRef);
+ return retIcon;
+}
+#endif
+
+
+/*!
+ Returns an icon for the file described by \a info.
+*/
+
+QIcon QFileIconProvider::icon(const QFileInfo &info) const
+{
+ Q_D(const QFileIconProvider);
+#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_OS_WINCE)
+ {
+ uint type = DRIVE_UNKNOWN;
+ QT_WA({ type = GetDriveTypeW((wchar_t *)info.absoluteFilePath().utf16()); },
+ { type = GetDriveTypeA(info.absoluteFilePath().toLocal8Bit()); });
+
+ 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();
+}
+
+/*!
+ Returns the type of the file described by \a info.
+*/
+
+QString QFileIconProvider::type(const QFileInfo &info) const
+{
+ 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())
+ return QApplication::translate("QFileDialog",
+#ifdef Q_WS_WIN
+ "File Folder", "Match Windows Explorer"
+#else
+ "Folder", "All other platforms"
+#endif
+ );
+ // Windows - "File Folder"
+ // OS X - "Folder"
+ // Konqueror - "Folder"
+ // Nautilus - "folder"
+
+ if (info.isSymLink())
+ return QApplication::translate("QFileDialog",
+#ifdef Q_OS_MAC
+ "Alias", "Mac OS X Finder"
+#else
+ "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");
+}
+
+QT_END_NAMESPACE
+
+#endif