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- QAccel类
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- qdatabrowser.h Include File
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- QDataStream类
- qdatastream.h包含文件
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- qdial.h Include File
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- QDialog类
- qdialog.h包含文件
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- qdirectpainter_qws.h Include File
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- qdir.h包含文件
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- qdockarea.h包含文件
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- qdockwindow.h包含文件
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- QDomAttr Class
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- qdom.h Include File
- QDomImplementation Class
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- QDomNamedNodeMap Class
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- QDomNode Class
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- QDomNotation Class
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- QDomText Class
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- QDoubleValidator类
- QDoubleValidator成员列表
- QDragEnterEvent Class
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- QDragMoveEvent Class
- QDragMoveEvent Member List
- QDragObject Class
- qdragobject.h Include File
- QDragObject Member List
- qdrawutil.h Include File
- QDropEvent Class
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- QDropSite Class
- qdropsite.h Include File
- QEditorFactory Class
- qeditorfactory.h Include File
- QEditorFactory Member List
- QEmbed - File and Image Embedder
- QErrorMessage类
- qerrormessage.h包含文件
- QErrorMessage成员列表
- QEucJpCodec Class
- qeucjpcodec.h Include File
- QEucJpCodec Member List
- QEucKrCodec Class
- qeuckrcodec.h Include File
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- QEvent类
- qevent.h包含文件
- QEvent成员列表
- Font Displayer
- QFile类
- QFileDialog类
- qfiledialog.h包含文件
- QFileDialog成员列表
- qfile.h包含文件
- QFileIconProvider Class
- QFileIconProvider Member List
- QFileInfo Class
- qfileinfo.h Include File
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- QFile成员列表
- QFilePreview Class
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- QFocusData Class
- qfocusdata.h Include File
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- QFocusEvent Class
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- QFont Class
- QFontDatabase Class
- qfontdatabase.h Include File
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- QFontDialog类
- qfontdialog.h包含文件
- QFontDialog成员列表
- QFont Examples
- qfont.h Include File
- QFontInfo Class
- qfontinfo.h Include File
- QFontInfo Member List
- QFontManager Class
- qfontmanager_qws.h Include File
- QFontManager Member List
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- QFontMetrics Class
- qfontmetrics.h Include File
- QFontMetrics Member List
- QFrame类
- qframe.h包含文件
- QFrame成员列表
- QFtp类
- qftp.h包含文件
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- QGb18030Codec Class
- qgb18030codec.h Include File
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- QGbkCodec Class
- QGbkCodec Member List
- qgfx_qws.h Include File
- QGL Class
- QGLayoutIterator Class
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- QGLColormap Class
- qglcolormap.h Include File
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- QGLContext Class
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- QGLFormat Class
- QGLFormat Member List
- qgl.h Include File
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- qglobal.h Include File
- QGLWidget Class
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- QGrid类
- qgrid.h包含文件
- QGridLayout Class
- QGridLayout Member List
- QGrid成员列表
- QGridView Class
- qgridview.h Include File
- QGridView Member List
- QGroupBox类
- qgroupbox.h包含文件
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- QGuardedPtr类
- qguardedptr.h包含文件
- QGuardedPtr成员列表
- QHBox Class
- qhbox.h Include File
- QHBoxLayout Class
- QHBoxLayout Member List
- QHBox Member List
- QHButtonGroup类
- qhbuttongroup.h包含文件
- QHButtonGroup成员列表
- QHeader类
- qheader.h包含文件
- QHeader成员列表
- QHebrewCodec Class
- QHebrewCodec Member List
- QHGroupBox类
- qhgroupbox.h包含文件
- QHGroupBox成员列表
- QHideEvent Class
- QHideEvent Member List
- QHostAddress Class
- qhostaddress.h Include File
- QHostAddress Member List
- QHttp Class
- qhttp.h Include File
- QHttp Member List
- QIconDrag Class
- QIconDragItem Class
- QIconDragItem Member List
- QIconDrag Member List
- QIconSet Class
- qiconset.h Include File
- QIconSet Member List
- QIconView Class
- qiconview.h Include File
- QIconViewItem Class
- QIconViewItem Member List
- QIconView Member List
- QImage Class
- QImageConsumer Class
- QImageConsumer Member List
- QImageDecoder Class
- QImageDecoder Member List
- QImageDrag Class
- QImageDrag Member List
- QImageFormat Class
- QImageFormat Member List
- QImageFormatPlugin Class
- qimageformatplugin.h Include File
- QImageFormatPlugin Member List
- QImageFormatType Class
- QImageFormatType Member List
- qimage.h Include File
- QImageIO Class
- QImageIO Member List
- QImage Member List
- QIMEvent Class
- QIMEvent Member List
- QInputDialog类
- qinputdialog.h包含文件
- QInputDialog成员列表
- QIntCache Class
- qintcache.h Include File
- QIntCacheIterator Class
- QIntCacheIterator Member List
- QIntCache Member List
- QIntDict Class
- qintdict.h Include File
- QIntDictIterator Class
- QIntDictIterator Member List
- QIntDict Member List
- QIntValidator类
- QIntValidator成员列表
- QIODevice类
- qiodevice.h包含文件
- QIODevice成员列表
- QIODeviceSource Class
- QJisCodec Class
- qjiscodec.h Include File
- QJisCodec Member List
- qkeyboard_qws.h Include File
- QKeyEvent Class
- QKeyEvent Member List
- QKeySequence Class
- qkeysequence.h Include File
- QKeySequence Member List
- QLabel Class
- qlabel.h Include File
- QLabel Member List
- QLayout Class
- qlayout.h Include File
- QLayoutItem Class
- QLayoutItem Member List
- QLayoutIterator Class
- QLayoutIterator Member List
- QLayout Member List
- QLCDNumber Class
- qlcdnumber.h Include File
- QLCDNumber Member List
- QLibrary Class
- qlibrary.h Include File
- QLibrary Member List
- QLineEdit Class
- qlineedit.h Include File
- QLineEdit Member List
- QListBox Class
- qlistbox.h Include File
- QListBoxItem Class
- QListBoxItem Member List
- QListBox Member List
- QListBoxPixmap Class
- QListBoxPixmap Member List
- QListBoxText Class
- QListBoxText Member List
- QListView Class
- qlistview.h Include File
- QListViewItem Class
- QListViewItemIterator Class
- QListViewItemIterator Member List
- QListViewItem Member List
- QListView Member List
- QLocalFs Class
- qlocalfs.h Include File
- QLocalFs Member List
- QLock Class
- qlock_qws.h Include File
- QLock Member List
- QMag
- QMainWindow类
- qmainwindow.h包含文件
- QMainWindow成员列表
- qmake的介绍
- 安装qmake
- 10分钟学会使用qmake
- qmake教程
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- QMap Class
- QMapConstIterator Class
- QMapConstIterator Member List
- qmap.h Include File
- QMapIterator Class
- QMapIterator Member List
- QMap Member List
- QMemArray类
- qmemarray.h包含文件
- QMemArray成员列表
- QMenuBar Class
- qmenubar.h Include File
- QMenuBar Member List
- QMenuData Class
- qmenudata.h Include File
- QMenuData Member List
- QMessageBox类
- qmessagebox.h包含文件
- QMessageBox成员列表
- QMetaObject Class
- qmetaobject.h Include File
- QMetaObject Member List
- QMetaProperty Class
- QMetaProperty Member List
- qmime.h Include File
- QMimeSource Class
- QMimeSourceFactory Class
- QMimeSourceFactory Member List
- QMimeSource Member List
- QMotifPlusStyle Class
- qmotifplusstyle.h Include File
- QMotifPlusStyle Member List
- QMotifStyle Class
- qmotifstyle.h Include File
- QMotifStyle Member List
- QMouseEvent Class
- QMouseEvent Member List
- QMoveEvent Class
- QMoveEvent Member List
- QMovie Class
- qmovie.h Include File
- QMovie Member List
- QMultiLineEdit Class
- qmultilineedit.h Include File
- QMultiLineEdit Member List
- QMutex类
- qmutex.h包含文件
- QMutex成员列表
- qnamespace.h Include File
- qnetwork.h Example File
- QNetworkOperation Class
- QNetworkOperation Member List
- QNetworkProtocol Class
- qnetworkprotocol.h Include File
- QNetworkProtocol Member List
- qnp.h Include File
- QNPInstance Class
- QNPInstance Member List
- QNPlugin Class
- QNPlugin Member List
- QNPStream Class
- QNPStream Member List
- QNPWidget Class
- QNPWidget Member List
- QObject类
- QObjectCleanupHandler Class
- qobjectcleanuphandler.h Include File
- QObjectCleanupHandler Member List
- qobject.h包含文件
- QObjectList类
- qobjectlist.h包含文件
- QObjectListIt类
- QObjectListIt成员列表
- QObjectList成员列表
- QObject成员列表
- QPaintDevice类
- qpaintdevice.h包含文件
- QPaintDevice成员列表
- QPaintDeviceMetrics Class
- qpaintdevicemetrics.h Include File
- QPaintDeviceMetrics Member List
- QPainter类
- qpainter.h包含文件
- QPainter成员列表
- QPaintEvent Class
- QPaintEvent Member List
- QPair Class
- qpair.h Include File
- QPair Member List
- QPalette Class
- qpalette.h Include File
- QPalette Member List
- QPen Class
- qpen.h Include File
- QPen Member List
- QPicture Class
- qpicture.h Include File
- QPicture Member List
- QPixmap Class
- QPixmapCache Class
- qpixmapcache.h Include File
- QPixmapCache Member List
- qpixmap.h Include File
- QPixmap Member List
- QPlatinumStyle Class
- qplatinumstyle.h Include File
- QPlatinumStyle Member List
- QPNGImagePacker Class
- QPNGImagePacker Member List
- qpngio.h Include File
- QPoint类
- QPointArray Class
- qpointarray.h Include File
- QPointArray Member List
- qpoint.h包含文件
- QPoint成员列表
- QPopupMenu Class
- qpopupmenu.h Include File
- QPopupMenu Member List
- QPrinter Class
- qprinter.h Include File
- QPrinter Member List
- QProcess Class
- QProcess Examples
- qprocess.h Include File
- QProcess Member List
- QProgressBar Class
- qprogressbar.h Include File
- QProgressBar Member List
- QProgressDialog类
- qprogressdialog.h包含文件
- QProgressDialog成员列表
- QPtrCollection类
- qptrcollection.h包含文件
- QPtrCollection成员列表
- QPtrDict Class
- qptrdict.h Include File
- QPtrDictIterator Class
- QPtrDictIterator Member List
- QPtrDict Member List
- QPtrList类
- qptrlist.h包含文件
- QPtrListIterator类
- QPtrListIterator成员列表
- QPtrList成员列表
- QPtrQueue类
- qptrqueue.h包含文件
- QPtrQueue成员列表
- QPtrStack类
- qptrstack.h包含文件
- QPtrStack成员列表
- QPtrVector类
- qptrvector.h包含文件
- QPtrVector成员列表
- QPushButton类
- qpushbutton.h包含文件
- QPushButton成员列表
- QRadioButton Class
- qradiobutton.h Include File
- QRadioButton Member List
- QRangeControl类
- qrangecontrol.h包含文件
- QRangeControld成员列表
- QRect类
- qrect.h包含文件
- QRect成员列表
- QRegExp Class
- qregexp.h Include File
- QRegExp Member List
- QRegExpValidator Class
- QRegExpValidator Member List
- QRegion Class
- qregion.h Include File
- QRegion Member List
- QResizeEvent Class
- QResizeEvent Member List
- qrtlcodec.h Include File
- QScreen Class
- QScreen Member List
- QScrollBar类
- qscrollbar.h包含文件
- QScrollBar成员列表
- QScrollView类
- qscrollview.h包含文件
- QScrollView成员列表
- QSemaphore类
- qsemaphore.h包含文件
- QSemaphore成员列表
- QServerSocket Class
- qserversocket.h Include File
- QServerSocket Member List
- QSessionManager Class
- qsessionmanager.h Include File
- QSessionManager Member List
- QSettings Class
- qsettings.h Include File
- QSettings Member List
- QSGIStyle Class
- qsgistyle.h Include File
- QSGIStyle Member List
- QShowEvent Class
- QShowEvent Member List
- QSignal Class
- qsignal.h Include File
- QSignalMapper Class
- qsignalmapper.h Include File
- QSignalMapper Member List
- QSignal Member List
- QSimpleRichText Class
- qsimplerichtext.h Include File
- QSimpleRichText Member List
- QSize类
- QSizeGrip Class
- qsizegrip.h Include File
- QSizeGrip Member List
- qsize.h包含文件
- QSize成员列表
- QSizePolicy Class
- qsizepolicy.h Include File
- QSizePolicy Member List
- QSjisCodec Class
- qsjiscodec.h Include File
- QSjisCodec Member List
- QSlider Class
- qslider.h Include File
- QSlider Member List
- QSocket类
- QSocketDevice Class
- qsocketdevice.h Include File
- QSocketDevice Member List
- qsocket.h包含文件
- QSocket成员列表
- QSocketNotifier Class
- qsocketnotifier.h Include File
- QSocketNotifier Member List
- QSortedList Class
- qsortedlist.h Include File
- QSortedList Member List
- QSound类
- qsound.h包含文件
- QSound成员列表
- QSpacerItem Class
- QSpacerItem Member List
- QSpinBox Class
- qspinbox.h Include File
- QSpinBox Member List
- QSplitter Class
- qsplitter.h Include File
- QSplitter Member List
- QSql类
- QSqlCursor Class
- qsqlcursor.h Include File
- QSqlCursor Member List
- QSqlDatabase Class
- qsqldatabase.h Include File
- QSqlDatabase Member List
- QSqlDriver Class
- qsqldriver.h Include File
- QSqlDriver Member List
- QSqlDriverPlugin Class
- qsqldriverplugin.h Include File
- QSqlDriverPlugin Member List
- QSqlEditorFactory Class
- qsqleditorfactory.h Include File
- QSqlEditorFactory Member List
- QSqlError Class
- qsqlerror.h Include File
- QSqlError Member List
- QSqlField Class
- qsqlfield.h Include File
- QSqlFieldInfo Class
- QSqlFieldInfo Member List
- QSqlField Member List
- QSqlForm Class
- qsqlform.h Include File
- QSqlForm Member List
- qsql.h包含文件
- QSqlIndex Class
- qsqlindex.h Include File
- QSqlIndex Member List
- QSql成员列表
- QSqlPropertyMap Class
- qsqlpropertymap.h Include File
- QSqlPropertyMap Member List
- QSqlQuery类
- qsqlquery.h 包含文件
- QSqlQuery成员列表
- QSqlRecord Class
- qsqlrecord.h Include File
- QSqlRecordInfo Class
- QSqlRecordInfo Member List
- QSqlRecord Member List
- QSqlResult Class
- qsqlresult.h Include File
- QSqlResult Member List
- QStatusBar类
- qstatusbar.h包含文件
- QStatusBar成员列表
- QStoredDrag Class
- QStoredDrag Member List
- QStrIList Class
- QStrIList Member List
- QString类
- qstring.h包含文件
- QStringList Class
- qstringlist.h Include File
- QStringList Member List
- QString成员列表
- QStrList Class
- qstrlist.h Include File
- QStrListIterator Class
- QStrListIterator Member List
- QStrList Member List
- QStyle Class
- QStyleFactory Class
- qstylefactory.h Include File
- QStyleFactory Member List
- qstyle.h Include File
- QStyle Member List
- QStyleOption Class
- QStyleOption Member List
- QStylePlugin Class
- qstyleplugin.h Include File
- QStylePlugin Member List
- QStyleSheet Class
- qstylesheet.h Include File
- QStyleSheetItem Class
- QStyleSheetItem Member List
- QStyleSheet Member List
- Qt类
- QTab Class
- QTabBar Class
- qtabbar.h Include File
- QTabBar Member List
- QTabDialog类
- qtabdialog.h包含文件
- QTabDialog成员列表
- QTable类
- qtable.h包含文件
- QTableItem类
- QTableItem成员列表
- QTable成员列表
- QTableSelection类
- QTableSelection成员列表
- QTabletEvent Class
- QTabletEvent Member List
- QTab Member List
- QTabWidget Class
- qtabwidget.h Include File
- QTabWidget Member List
- QTextBrowser Class
- qtextbrowser.h Include File
- QTextBrowser Member List
- QTextCodec Class
- qtextcodec.h Include File
- QTextCodec Member List
- QTextCodecPlugin Class
- qtextcodecplugin.h Include File
- QTextCodecPlugin Member List
- QTextDecoder Class
- QTextDecoder Member List
- QTextDrag Class
- QTextDrag Member List
- QTextEdit类
- qtextedit.h包含文件
- QTextEdit成员列表
- QTextEncoder Class
- QTextEncoder Member List
- QTextIStream类
- QTextIStream成员列表
- QTextOStream类
- QTextOStream成员列表
- QTextStream类
- qtextstream.h包含文件
- QTextStream成员列表
- QTextView Class
- qtextview.h Include File
- QTextView Member List
- QThread类
- qthread.h包含文件
- QThread成员列表
- Display Images in Qt-supported Formats
- QTime类
- QTimeEdit Class
- QTimeEdit Member List
- QTime成员列表
- QTimer类
- QTimerEvent类
- QTimerEvent成员列表
- qtimer.h包含文件
- QTimer成员列表
- Qt模板库类
- Qt Member List
- QtMultiLineEdit Class
- qtmultilineedit.h Include File
- QtMultiLineEdit Member List
- QToolBar类
- qtoolbar.h包含文件
- QToolBar成员列表
- QToolButton类
- qtoolbutton.h包含文件
- QToolButton成员列表
- QToolTip Class
- QToolTipGroup Class
- QToolTipGroup Member List
- qtooltip.h Include File
- QToolTip Member List
- QTranslator Class
- qtranslator.h Include File
- QTranslator Member List
- QTranslatorMessage Class
- QTranslatorMessage Member List
- QTsciiCodec Class
- qtsciicodec.h Include File
- QTsciiCodec Member List
- QtTableView Class
- qttableview.h Include File
- QtTableView Member List
- Qt模板库
- QUriDrag Class
- QUriDrag Member List
- QUrl Class
- qurl.h Include File
- QUrlInfo Class
- qurlinfo.h Include File
- QUrlInfo Member List
- QUrl Member List
- QUrlOperator Class
- qurloperator.h Include File
- QUrlOperator Member List
- QValidator类
- qvalidator.h包含文件
- QValidator成员列表
- QVariant Class
- qvariant.h Include File
- QVariant Member List
- QVBox Class
- qvbox.h Include File
- QVBoxLayout Class
- QVBoxLayout Member List
- QVBox Member List
- QVButtonGroup类
- qvbuttongroup.h包含文件
- QVButtonGroup成员列表
- QVGroupBox类
- qvgroupbox.h包含文件
- QVGroupBox成员列表
- QWaitCondition类
- qwaitcondition.h包含文件
- QWaitCondition成员列表
- Simple HTML Browser
- QWhatsThis类
- qwhatsthis.h包含文件
- QWhatsThis成员列表
- QWheelEvent Class
- QWheelEvent Member List
- QWidget类
- QWidgetFactory Class
- qwidgetfactory.h Include File
- QWidgetFactory Member List
- qwidget.h包含文件
- QWidgetItem Class
- QWidgetItem Member List
- QWidget成员列表
- QWidgetPlugin Class
- qwidgetplugin.h Include File
- QWidgetPlugin Member List
- QWidgetStack类
- qwidgetstack.h包含文件
- QWidgetStack成员列表
- qwindowdefs.h Include File
- QWindowsMime Class
- QWindowsMime Member List
- QWindowsStyle Class
- qwindowsstyle.h Include File
- QWindowsStyle Member List
- qwindowsystem_qws.h Include File
- QWizard类
- qwizard.h包含文件
- QWizard成员列表
- QWMatrix Class
- qwmatrix.h Include File
- QWMatrix Member List
- QWorkspace类
- qworkspace.h包含文件
- QWorkspace成员列表
- Qt/Embedded
- QWSDecoration Class
- qwsdecoration_qws.h Include File
- QWSDecoration Member List
- QWSKeyboardHandler Class
- QWSKeyboardHandler Member List
- qwsmouse_qws.h Include File
- QWSMouseHandler Class
- QWSMouseHandler Member List
- QWSServer Class
- QWSServer Member List
- QWSWindow Class
- QWSWindow Member List
- QXmlAttributes Class
- QXmlAttributes Member List
- QXmlContentHandler Class
- QXmlContentHandler Member List
- QXmlDeclHandler Class
- QXmlDeclHandler Member List
- QXmlDefaultHandler Class
- QXmlDefaultHandler Member List
- QXmlDTDHandler Class
- QXmlDTDHandler Member List
- QXmlEntityResolver Class
- QXmlEntityResolver Member List
- QXmlErrorHandler Class
- QXmlErrorHandler Member List
- qxml.h Include File
- QXmlInputSource Class
- QXmlInputSource Member List
- QXmlLexicalHandler Class
- QXmlLexicalHandler Member List
- QXmlLocator Class
- QXmlLocator Member List
- QXmlNamespaceSupport Class
- QXmlNamespaceSupport Member List
- QXmlParseException Class
- QXmlParseException Member List
- QXmlReader Class
- QXmlSimpleReader Class
- QXmlSimpleReader Member List
- QXtApplication Class
- QXtApplication Member List
- qxt.h Include File
- QXtWidget Class
- QXtWidget Member List
- Range controls
- Richtext
- Rot13
- Simple Painting Application
- Qt的文本引擎
- Scrollview
- Session Management
- Implicitly and Explicitly Shared Classes
- Shared Classes
- Show Image
- Drag and Drop (Simple)
- Walkthrough: A Simple Application
- Walkthrough: A Simple Application with Actions
- A Complete Application Window
- A simple demonstration of QFont member functions
- Walkthrough: A simple QFont demonstration
- 小表格样例
- Sound Example
- Splitter
- SQL Module - Drivers
- Qt SQL Examples
- sql/overview/basicbrowsing2/main.cpp Example File
- sql/overview/basicbrowsing/main.cpp Example File
- sql/overview/basicdatamanip/main.cpp Example File
- sql/overview/connect1/main.cpp Example File
- sql/overview/create_connections/main.cpp Example File
- sql/overview/custom1/main.cpp Example File
- sql/overview/custom1/main.h Example File
- sql/overview/del/main.cpp Example File
- sql/overview/extract/main.cpp Example File
- sql/overview/form1/main.cpp Example File
- sql/overview/form2/main.h Example File
- sql/overview/insert/main.cpp Example File
- sql/overview/navigating/main.cpp Example File
- sql/overview/order1/main.cpp Example File
- sql/overview/order2/main.cpp Example File
- sql/overview/retrieve1/main.cpp Example File
- sql/overview/retrieve2/main.cpp Example File
- sql/overview/subclass1/main.cpp Example File
- sql/overview/subclass2/main.cpp Example File
- sql/overview/subclass2/main.h Example File
- sql/overview/subclass3/main.cpp Example File
- sql/overview/subclass3/main.h Example File
- sql/overview/subclass4/main.cpp Example File
- sql/overview/subclass4/main.h Example File
- sql/overview/subclass5/main.cpp Example File
- sql/overview/subclass5/main.h Example File
- sql/overview/table1/main.cpp Example File
- sql/overview/table2/main.cpp Example File
- sql/overview/table3/main.cpp Example File
- sql/overview/table3/main.h Example File
- sql/overview/table4/main.cpp Example File
- sql/overview/table4/main.h Example File
- sql/overview/update/main.cpp Example File
- SQL Table
- 表格样例
- t10/cannon.cpp Example File
- t10/cannon.h Example File
- t10/lcdrange.cpp Example File
- t10/lcdrange.h Example File
- t10/main.cpp Example File
- t11/cannon.cpp Example File
- t11/cannon.h Example File
- t11/lcdrange.cpp Example File
- t11/lcdrange.h Example File
- t11/main.cpp Example File
- t12/cannon.cpp Example File
- t12/cannon.h Example File
- t12/lcdrange.cpp Example File
- t12/lcdrange.h Example File
- t12/main.cpp Example File
- t13/cannon.cpp Example File
- t13/cannon.h Example File
- t13/gamebrd.cpp Example File
- t13/gamebrd.h Example File
- t13/lcdrange.cpp Example File
- t13/lcdrange.h Example File
- t13/main.cpp Example File
- t14/cannon.cpp Example File
- t14/cannon.h Example File
- t14/gamebrd.cpp Example File
- t14/gamebrd.h Example File
- t14/lcdrange.cpp Example File
- t14/lcdrange.h Example File
- t14/main.cpp Example File
- t7/lcdrange.cpp Example File
- t7/lcdrange.h Example File
- t7/main.cpp Example File
- t8/cannon.cpp Example File
- t8/cannon.h Example File
- t8/lcdrange.cpp Example File
- t8/lcdrange.h Example File
- t8/main.cpp Example File
- t9/cannon.cpp Example File
- t9/cannon.h Example File
- t9/lcdrange.cpp Example File
- t9/lcdrange.h Example File
- t9/main.cpp Example File
- Tabdialog
- table/bigtable/main.cpp Example File
- 表格例程
- Tablet Example
- A tiny SAX2 parser
- Demonstration of SAX2 features
- 为什么Qt不用模板来实现信号和槽?
- Tetrix
- Text Related Classes
- Text Edit Example
- Themes (Styles)
- 线程
- Tic Tac Toe
- 时间和日期
- 定时器
- A Tiny Example Featuring a Toggle Action
- Non-GUI Classes
- Advanced use of tool tips
- Trivial Example
- Qt教程一 —— 第一章:Hello, World!
- Qt教程一 —— 第二章:调用退出
- Qt教程一 —— 第三章:家庭价值
- Qt教程一 —— 第四章:使用窗口部件
- Qt教程一 —— 第五章:组装积木
- Qt教程一 —— 第六章:组装丰富的积木!
- Qt教程一 —— 第七章:一个事物领导另一个
- Qt教程一 —— 第八章:准备战斗
- Qt教程一 —— 第九章:你可以使用加农炮了
- Qt教程一 —— 第十章:像丝一样滑
- Qt教程一 —— 第十一章:给它一个炮弹
- Qt教程一 —— 第十一章:悬在空中的砖
- Qt教程一 —— 第十三章:游戏结束
- Qt教程一 —— 第十四章:面对墙壁
- 介绍
- 大图片
- 数据元素
- 主体很容易
- 实现图形用户界面
- 画布控制
- 文件处理
- 获得数据
- 设置选项
- 项目文件
- 完成
- User Interface Compiler (uic)
- 关于Unicode
- Widgets Example
- Wizard
- wizard/wizard.cpp Example File
- wizard/wizard.h Example File
- Transformed Graphics Demo
- Qt XML Examples
- Walkthrough: Using SAX2 features with the Qt XML classes
- Walkthrough: How to use the Qt SAX2 classes
- XML
- Qt Xt/Motif Support Extension
- 适应2000年问题声明
以Qt国际化
应用的国际化就是使应用成为能被非本国的人使用的过程。
有的情况下,国际化很简单,例如,使一个US应用可被Australian或者British用户理解,工作可能少于几个拼写修正。但是使一个US应用可以被Japanese用户使用,或者一个Korean应用可被German用户使用,就会需要软件不仅工作于不同语言下,还要使用不同的输入技术、字符编码和表达习惯。
也参见Qt语言学家手册。
Step by Step
以Qt来编写多平台国际化的软件是一个和缓的、逐步增加的过程。你的软件可以按下面的几个阶段实现国际化:
对所有用户可见的文本使用QString
既然QString内部就使用Unicode编码,那么使用常见的文本处理手段,就可以透彻地处理世界上的每种语言。同时,既然所有向用户呈现文本的Qt函数都把QString作为参数,也就没有了char*到QString的转换的时间开销。
在“程序员空间”(例如QObject的名称和文件格式文本)的字符串不需要使用QString;传统的char*或者QCString类就够用了。
你不大可能注意到你在使用Unicode;QString和QChar就如同早期版本的传统C中的粗糙的const char*和char。
对所有文字形式的文本使用tr()
无论你的程序在哪里对将会呈现给用户的文本使用了"quoted text",要确保它被QApplication::translate()函数处理过。其实做到这一点只需要使用QObject::tr()。例如,假设LoginWidget是QWidget的一个子类:
LoginWidget::LoginWidget() { QLabel *label = new QLabel( tr("Password:"), this ); ... }
这就解决了你可能要写的用户可见的字符串的99%。
如果这些quoted text不是在QObject子类的成员函数中,可以使用一个适当的类的tr()函数,或者直接使用QApplication::translate()函数:
void some_global_function( LoginWidget *logwid ) { QLabel *label = new QLabel( LoginWidget::tr("Password:"), logwid ); } void same_global_function( LoginWidget *logwid ) { QLabel *label = new QLabel( qApp->translate("LoginWidget", "Password:"), logwid ); }
如果你需要不在函数里的可翻译文本,有两个宏可以帮忙:QT_TR_NOOP()和QT_TRANSLATE_NOOP()。它们仅仅标示出文本,以便于被下面描述的lupdate工具提取。宏扩展为只是文本(没有上下文)。
QT_TR_NOOP()的例子:
QString FriendlyConversation::greeting( int greet_type ) { static const char* greeting_strings[] = { QT_TR_NOOP( "Hello" ), QT_TR_NOOP( "Goodbye" ) }; return tr( greeting_strings[greet_type] ); }
QT_TRANSLATE_NOOP()的例子:
static const char* greeting_strings[] = { QT_TRANSLATE_NOOP( "FriendlyConversation", "Hello" ), QT_TRANSLATE_NOOP( "FriendlyConversation", "Goodbye" ) }; QString FriendlyConversation::greeting( int greet_type ) { return tr( greeting_strings[greet_type] ); } QString global_greeting( int greet_type ) { return qApp->translate( "FriendlyConversation", greeting_strings[greet_type] ); }
如果你使用定义的宏QT_NO_CAST_ASCII编译你的软件,从而关闭了从const char*到QString的自动转换,你很可能会捕捉到你错过的字符串。更多信息参见QString::fromLatin1()。关闭这个转换会使编程有点儿麻烦。
如果你的源码语言使用Latin-1之外的字符集,你会发现QObject::trUtf8()比QObject::tr()更好用,因为tr()依赖于QApplication::defaultCodec(),这使它比QObject::trUtf8()更脆弱。
对于加速键值(Accelerator value)使用QKeySequence()
加速键值,例如Ctrl+Q或者Alt+F,也需要翻译。 如果你的应用给“Quit”直接编码(hardcode)为CTRL+Key_Q,翻译者就不能重载它了。正确的习惯用法是
QPopupMenu *file = new QPopupMenu( this ); file->insertItem( tr("&Quit"), this, SLOT(quit()), QKeySequence(tr("Ctrl+Q", "File|Quit")) );
对简单参数使用QString::arg()
对于国际化的文本,在字符串中类似printf()风格的插入参数一般是不好的选择,因为有时候有必要在翻译时改变参数的顺序。不管怎样,QString::arg()函数为参数替换提供了一种简单的途径:
void FileCopier::showProgress( int done, int total, const QString& current_file ) { label.setText( tr("%1 of %2 files copied.\nCopying: %3") .arg(done) .arg(total) .arg(current_file) ); }
创作译本
在应用中通篇使用tr()之后,你就可以开始创作程序中用户可见的文本的译本了。
Qt语言学家手册提供了关于Qt翻译工具、Qt语言学家、lupdate和lrelease的进一步信息。
Qt应用的翻译过程分为三步:
- 运行lupdate,以提取出Qt应用的C++源代码中的可翻译文本,会产生一个给翻译者的信息文件(.ts文件)。该工具识别出tr()结构和上面描述的QT_*_NOOP宏,产生.ts文件(通常每种语言一个)。
- 使用Qt语言学家提供.ts文件中源文本的译文。既然.ts文件是XML格式,你也可以手工编辑它们。
- 运行lrelease,以从.ts文件中得到只适用于最后使用的轻量级的信息文件(.qm文件)。你可以把.ts文件看成“源文件”,把.qm文件看成“目标文件”。翻译者编辑的是.ts文件,可是你的应用的用户只需要.qm文件。这两种文件都是平台和地区(locale)无关的。
典型地,你将对应用地每个发表版本重复这几步。lupdate工具会尽力重用以前的发表版本的译文。
在你运行lupdate之前,你应该准备一个项目文件。这是一个项目文件(.pro文件)的例子:
HEADERS = funnydialog.h \ wackywidget.h SOURCES = funnydialog.cpp \ main.cpp \ wackywidget.cpp FORMS = fancybox.ui TRANSLATIONS = superapp_dk.ts \ superapp_fi.ts \ superapp_no.ts \ superapp_se.ts
当你运行lupdate或者lrelease时,你必须以命令行参数给出项目文件的名称。
在本例中,支持四种语言:Danish、Finnish、Norwegian和Swedish。如果你使用qmake(或者tmake),你一般不需要给lupdate的附加项目文件;只要你加上TRANSLATIONS条目,你的qmake项目文件就会正常工作。
在应用中,你必须使用QTranslator::load()来装载对应用户语言的译文文件,再使用QApplication::installTranslator()来安装它们。
如果你一直使用以前的Qt工具(findtr、msg2qm和mergetr),可以使用qm2ts来转换你以前的.qm文件。
语言学家、lupdate和lrelease安装在$QTDIR/bin。在Qt语言学家中点击Help|Manual,就可访问用户手册,它包含了让你起步的演示教程。
虽然这些工具提供了生成.qm文件的方便途径,可任何能编写.qm文件的系统也都够用。你可以制做一个应用,以利用QTranslator::insert()把译文加入到QTranslator中,接着再利用QTranslator::save()写出一个.qm文件。 用这种办法可以从任何你选择的源文件中产生译文。
Qt本身包含有大约400个也需要翻译为目标语言的字符串。在$QTDIR/translations下,你会找到French和German的译文文件,也可以作为翻译为其他语言的模板。
典型地,你的应用的main()函数会类似这样:
int main( int argc, char **argv ) { QApplication app( argc, argv ); // translation file for Qt QTranslator qt( 0 ); qt.load( QString( "qt_" ) + QTextCodec::locale(), "." ); app.installTranslator( &qt ); // translation file for application strings QTranslator myapp( 0 ); myapp.load( QString( "myapp_" ) + QTextCodec::locale(), "." ); app.installTranslator( &myapp ); ... return app.exec(); }
编码支持
QTextCodec类和QTextStream中的工具,方便你支持很多对于用户数据的输入输出编码。当应用启动时,机器的地区(locale)决定了处理8-bit数据——例如对于字体选择、文本显示、8-bit文本I/O和字符输入——所用的8-bit编码。
应用有时会需要不同于缺省本地8-bit编码的编码。例如,一个Cyrillic KOI8-R locale(俄罗斯的事实标准locale)的应用 可能需要以ISO 8859-5编码输出Cyrillic。这样的代码可能会是:
QString string = ...; // some Unicode text QTextCodec* codec = QTextCodec::codecForName( "ISO 8859-5" ); QCString encoded_string = codec->fromUnicode( string ); ...; // use encoded_string in 8-bit operations
对于把Unicode转换为本地8-bit编码,有一个快捷办法:QString的local8Bit()方法返回的就是这样的8-bit数据。另一个有用的快捷办法是utf8()方法,它以8-bit的UTF-8编码返回文本——有趣之处在于, 如果Unicode完全是US-ASCII的话,它可以完全保留Unicode信息,而看起来又是一般的US-ASCII。
至于其他方式的转换,有QString::fromUtf8()和QString::fromLocal8Bit()两个方便的函数,或者通用的代码,按下面从ISO 8859-5 Cyrillic到Unicode所演示:
QCString encoded_string = ...; // Some ISO 8859-5 encoded text. QTextCodec* codec = QTextCodec::codecForName("ISO 8859-5"); QString string = codec->toUnicode(encoded_string); ...; // Use string in all of Qt's QString operations.
理想状态下应该使用Unicode的I/O,因为这最大地提高了世界各地的用户之间的文档兼容性。可实际上,支持所有适当的你的用户为处理已存在的文档而会需要用到的编码,也是有用的。通常,Unicode(UTF16或者UTF8)最适于在任何人之间传递信息,然而在同一语言或者民族群体内部,一种本地标准一般更为合适。 要支持的最重要的编码是由QTextCodec::codecForLocale()所返回的那个,因为这是用户最可能需要用来与其他人和应用(这是local8Bit()所使用的编码器)通讯的一个。
考虑到大多数Unix系统对本地8-bit编码和Unicode之间的转换没有内建支持,可能有必要编写你自己的QTextCodec子类。视紧迫程度而定,可以联系Trolltech的技术支持或者询问qt-interest邮件列表以看看是否已经有别人已经致力于支持某种编码。 一个有用的过渡办法是,可以使用QTextCodec::loadCharmapFile()函数以构造一个数据驱动的编码器,虽然这种办法会有内存和速度上的恶化,尤其是带有动态装载库。关于编写自己的QTextCodec详情,参见QTextCodec主类的文档。
本地化
本地化是适应本地习惯比如日期时间表达方式的过程。 这样的本地化可以使用适当的tr()字符串完成,即使是"magic" words,像这个有些做作的例子所示意的:
void Clock::setTime(const QTime& t) { if ( tr("AMPM") == "AMPM" ) { // 12-hour clock } else { // 24-hour clock } }
图象本地化不推荐。请选择清晰的适用于任何地区的图标,而不要依赖于当地的双关语或者引申的暗喻。
系统支持
支持Unicode的操作系统和窗口系统还处于开发初期。底层系统所能得到的支持程度会影响Qt在该平台上所提供的支持,但是以Qt编写的应用一般不必太关心实际限制。
Unix/X11
- 本地导向的(Locale-oriented)字体和输入法。Qt隐藏了这些,而代之以Unicode输入和输出。
- 在一些Unix变种的文件系统中的约定,例如UTF-8,正在开发中。所有Qt的文件函数都认可Unicode,但把所有的文件名转换为本地8-bit编码,因为这是Unix的惯例(研究代用的编码,参见QFile::setEncodingFunction())。
- 文件I/O缺省为本地8-bit编码,在QTextStream中带有Unicode选项。
Windows 95/98/NT
- Qt提供完整的Unicode支持,包括输入法、字体、剪贴板、拖放和文件名。
- 文件I/O缺省为Latin-1,在QTextStream中带有Unicode选项。注意,有的Windows程序并不能领会高位在前(big-endian)的Unicode文本文件,即使这是没有更高级的协议时Unicode标准所规定的次序。
- 不像使用MFC或者一般winlib的程序,Qt程序可以在Windows 95/98和Windows NT之间移植。你不需要不同的二进制码以支持Unicode。
支持更多的输入法
Trolltech并没有那么多资源或者专门技术,可以在Qt里立即加入世界上所有语言的支持。所以我们很期待与有这些专门技术的人一起工作。在下几个次版本号中,我们希望能对你选择的语言加入支持,直到任何人都可以使用Qt和以Qt开发的所有程序,而不管他们使用什么语言。
单字节编码(European Latin-1和KOI8-R等)和多字节编码(East Asian EUC-JP等)的语言都已支持。 对于那些“复杂”的编码——需要从右至左输入或者复杂字符组成的编码(例如Arabic、Hebrew和Thai script)——已经实现,但是Indic script的范畴(Hindi、Devanagari、Bengali等)还在开发中。现在的情况是:
编码 | 状态 |
---|---|
Windows上的所有编码 | 本地的编码总是支持。 |
ISO标准编码 ISO 8859-1、 ISO 8859-2、 ISO 8859-3、 ISO 8859-4、 ISO 8859-5、 ISO 8859-7、 ISO 8859-9和 ISO 8859-15 | 完全支持。 |
KOI8-R | 完全支持。 |
eucJP、JIS和ShiftJIS | 完全支持。在X11上对于XIM协议使用eucJP,在Japanese Windows NT上使用IME Windows NT。Serika Kurusugawa和其他人正在介入这个工作。kinput2是X11上测试过的输入法。 |
eucKR | 支持。Mizi Research正在介入这个工作。hanIM是测试过的输入法。 |
Big5 | Qt包含着一个由Ming Che-Chuang开发的Big5编解码器。正在xcin (2.5.x) XIM server上展开测试。 |
eucTW | 外部开发中。 |
关于Qt中对不同的writing system的支持,更多信息参见关于writing systems的文档。
如果你有兴趣参与已有的成果,或是支持以上提到的之外的新编码,你的工作可以被考虑包括在Qt官方发布中,或者只是与你的应用打包在一起。
最后,我们希望能帮助Unix成为面向Unicode(Unicode-oriented),正如Windows正在做的那样。这就意味着,在字体服务器中使用新的进展而带来的更好的字体支持,例如xfsft、xfstt和x-tt;同时还有UTF-8(一种Unicode编码)文件名,比如使用Solaris 7上的Unicode支持。
关于X11上的Locale的注意事项
对于有的locale,很多Unix发布版只包括部分支持。例如,如果你有/usr/share/locale/ja_JP.EUC目录,这并不一定意味着你可以显示Japanese文本;你还需要JIS编码的字体(或者Unicode字体),以及/usr/share/locale/ja_JP.EUC目录,才能够达到目的。要达到最好的结果,使用你的系统提供商那里来的完全locale。
有关的Qt类
这些类同国际化Qt应用有关。
QEucJpCodec | 从和到EUC-JP字符集的转换 |
QEucKrCodec | 从和到EUC-KR字符集的转换 |
QGb18030Codec | 从和到Chinese GB18030/GBK/GB2312编码的转换 |
QGbkCodec | 从和到Chinese GBK编码的转换 |
QHebrewCodec | 从和到visually ordered Hebrew的转换 |
QJisCodec | 从和到JIS字符集的转换 |
QSjisCodec | 从和到Shift-JIS的转换 |
QTextCodec | 文本编码之间的转换 |
QTextDecoder | 基于状态(State-based)的解码器 |
QTextEncoder | 基于状态的编码器 |
QTranslator | 文本输出的国际化支持 |
QTranslatorMessage | Translator的信息及其属性 |
QTsciiCodec | 从和到Tamil TSCII编码的转换 |
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