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By modifying the configured qconfig.h file from src/tools, you can define a subset of the full Qt functionality that you wish to be available in your installation. The -qconfig option to configure is used to select the configuration.
Note that such modification is only supported on Qt/Embedded platforms, where reducing the size of Qt is important and the application set is often fixed.
The qconfig.h definition file simply defines macros to disable features. Some features are dependent on other features and these dependencies are expressed in qfeatures.h.
The available options are:
| Macro | Disables | Set automatically by |
|---|---|---|
| Images (QImageIO) | ||
| QT_NO_IMAGEIO_BMP | Microsoft Bitmap image file format. | |
| QT_NO_IMAGEIO_PPM | Portable Pixmap image file format. | |
| QT_NO_IMAGEIO_XBM | X11 Bitmap image file format. | |
| QT_NO_IMAGEIO_XPM | X11 Pixmap image file format. | |
| QT_NO_IMAGEIO_PNG | Portable Network Graphics image file format. | |
| Animation | ||
| QT_NO_ASYNC_IO | Asynchronous I/O (QAsyncIO) | |
| QT_NO_ASYNC_IMAGE_IO | Asynchronous Image I/O and GIF image support (QImageDecoder, ...) | |
| QT_NO_MOVIE | Animation support (QMovie) | QT_NO_ASYNC_IO, QT_NO_ASYNC_IMAGE_IO |
| Fonts | ||
| QT_NO_TRUETYPE | TrueType (TTF and TTC) font file format, only used by Qt/Embedded. | |
| QT_NO_BDF | Bitmap Distribution Format (BDF) font file format, only used by Qt/Embedded. | |
| QT_NO_FONTDATABASE | Font database. | |
| Internationalization | ||
| QT_NO_I18N | Conversions between Unicode and 8-bit encodings. | |
| QT_NO_UNICODETABLES | Large tables defining such things as upper and lowercase conversions for all Unicode characters. | |
| MIME | ||
| QT_NO_MIME | Multipurpose Internet Mail Extensions, an Internet standard for encoding and tagging typed data (eg. text, images, colors) (QMimeSource) | |
| QT_NO_RICHTEXT | HTML-like text (QStyleSheet, QLabel) | QT_NO_MIME |
| QT_NO_DRAGANDDROP | Drag-and-drop data between applications (QDragObject) | QT_NO_MIME |
| QT_NO_CLIPBOARD | Cut-and-paste data between applications (QClipboard) | QT_NO_MIME |
| Sound | ||
| QT_NO_SOUND | Playing audio files (QSound) | |
| Scripting | ||
| QT_NO_PROPERTIES | Scripting Qt-based applications. | |
| Qt/Embedded-specific | ||
| QT_NO_QWS_CURSOR | The cursor sprite on Qt/Embedded. Pen-operated devices would not normally need this feature. | |
| QT_NO_QWS_DEPTH_8GRAYSCALE | 8 bits per pixel: 256 levels of gray. Incompatible with QWS_DEPTH_8. | |
| QT_NO_QWS_DEPTH_8 | 8 bits per pixel: 216-color cube with 40 auxiliary colors. Incompatible with QWS_DEPTH_8GRAYSCALE. | |
| QT_NO_QWS_DEPTH_15 | 15 bits per pixel: 32 levels for each of red, green and blue. | |
| QT_NO_QWS_DEPTH_16 | 16 bits per pixel: 64 levels of green, 32 levels for red and for blue. | |
| QT_NO_QWS_DEPTH_32 | 32 bits per pixel: 256 levels for each of red, green and blue. | |
| QT_NO_QWS_MACH64 | Mach64 accelerated driver (demonstration only). | |
| QT_NO_QWS_VFB | Virtual framebuffer running on X11 (see reference documentation). | |
| Networking | ||
| QT_NO_NETWORKPROTOCOL | Abstract multi-protocol data retrieval, with local file retrieval included (QNetworkProtocol) | |
| QT_NO_NETWORKPROTOCOL_FTP | FTP-protocol data retrieval. | QT_NO_NETWORKPROTOCOL |
| QT_NO_NETWORKPROTOCOL_HTTP | HTTP-protocol data retrieval. | QT_NO_NETWORKPROTOCOL |
| Painting/drawing | ||
| QT_NO_COLORNAMES | Color names such as "red", used by some QColor constructors and by some HTML documents (QColor, QStyleSheet) | |
| QT_NO_TRANSFORMATIONS | Used by a number of classes in Qt. With this, rotation and scaling are possible. Without it you can only do coordinate translation (QWMatrix) | |
| QT_NO_PSPRINTER | PostScript printer support. | |
| QT_NO_PRINTER | Printer support (QPrinter) | QT_NO_PSPRINTER (Unix only) |
| QT_NO_PICTURE | Save Qt drawing commands to a files (QPicture) | |
| Widgets | ||
| QT_NO_WIDGETS | Disabling this disables all widgets except QWidget. | |
| QT_NO_TEXTVIEW | HTML document viewing (QTextView) | QT_NO_WIDGETS, QT_NO_RICHTEXT |
| QT_NO_TEXTBROWSER | HTML document browsing (QTextBrowser) | QT_NO_TEXTVIEW |
| QT_NO_ICONVIEW | Labelled icons (QIconView) | QT_NO_WIDGETS, QT_NO_DRAGANDDROP |
| QT_NO_LISTVIEW | Lists of information (QListView) | QT_NO_WIDGETS |
| QT_NO_CANVAS | Object canvas (QCanvas) | QT_NO_WIDGETS |
| QT_NO_DIAL | Value control (QDial) | QT_NO_WIDGETS |
| QT_NO_WORKSPACE | MDI (Multiple Document Interface) (QWorkspace) | QT_NO_WIDGETS |
| QT_NO_LCDNUMBER | LCD-like number display (QLCDNumber) | QT_NO_WIDGETS |
| GUI Styles | ||
| QT_NO_STYLE_WINDOWS | Microsoft Windows style (QWindowsStyle) | QT_NO_WIDGETS |
| QT_NO_STYLE_MOTIF | OSF Motif style (QMotifStyle) | QT_NO_WIDGETS |
| QT_NO_STYLE_CDE | Open Group CDE style (QCDEStyle) | QT_NO_STYLE_MOTIF |
| QT_NO_STYLE_AQUA | MacOS X style (QAquaStyle) | |
| QT_NO_STYLE_PLATINUM | MacOS 9 style (QPlatinumStyle) | QT_NO_WIDGETS |
| QT_NO_STYLE_SGI | SGI style (QSGIStyle) | QT_NO_STYLE_MOTIF |
| Dialogs | ||
| QT_NO_DIALOGS | Disabling this disables all common dialogs QWidget. | QT_NO_WIDGETS |
| QT_NO_FILEDIALOG | The file selection dialog (QFileDialog) | QT_NO_DIALOGS, QT_NO_NETWORKPROTOCOL, QT_NO_LISTVIEW |
| QT_NO_FONTDIALOG | The font selection dialog (QFontDialog) | QT_NO_DIALOGS, QT_NO_FONTDATABASE |
| QT_NO_COLORDIALOG | The color selection dialog (QColorDialog) | QT_NO_DIALOGS |
| QT_NO_INPUTDIALOG | Text input dialog (QInputDialog) | QT_NO_DIALOGS |
| QT_NO_MESSAGEBOX | Message/prompting dialog (QMessageBox) | QT_NO_DIALOGS |
| QT_NO_PROGRESSDIALOG | Long-computation progress dialog (QProgressDialog) | QT_NO_DIALOGS |
| QT_NO_TABDIALOG | Tabbed-pages dialog (QTabDialog) | QT_NO_DIALOGS |
| QT_NO_WIZARD | Multi-step dialog (QWizard) | QT_NO_DIALOGS |
| Copyright © 2007 Trolltech | Trademarks | Qt 3.3.8
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