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Qt is a cross-platform GUI toolkit, so almost the entire API is the same on all platforms and window systems. If you wish to use platform-specific features, and still maintain a platform-independent source tree, you should protect the platform-specific code using the appropriate #ifdef directives (see below).
Qt provides a few low-level global functions for fine-tuning applications on specific platforms. See Special-Purpose Global Functions Exported by Qt for details.
For information about which platforms are supported by Qt, see the Platform Notes. For information on distributing Qt applications, see Deploying Qt Applications.
When compiling for this platform, the macro Q_WS_X11 is defined.
Not documented here. Please contact Trolltech Technical Support if you have queries.
| Name | Library | Notes | Configuration options |
|---|---|---|---|
| QtGui | libQtGui | QtGui | |
| QtCore | libQtCore | QtCore (non-user interface features) | |
| XRender | libXrender | X Rendering Extension; used for anti-aliasing | -xrender or auto-detected |
| Xrandr | libXrandr | X Resize and Rotate Extension | -xrandr or auto-detected |
| Xcursor | libXcursor | X Cursor Extension | -xcursor or auto-detected |
| Xfixes | libXfixes | X Fixes Extension | -xfixes or auto-detected |
| Xinerama | libXinerama | Multi-head support | -xinerama or auto-detected |
| Xt | libXext | Xt Intrinsics | |
| Xext | libXext | X Extensions | |
| X11 | libX11 | X Window System | |
| SM | libSM | X Session Management | -sm or auto-detected |
| ICE | libICE | Inter-Client Exchange | -sm or auto-detected |
| glib | libglib-2.0 | Common event loop handling | -glib or auto-detected |
| pthread | libpthread | Multithreading |
Note: You must compile with XRender support to get alpha transparency support for pixmaps and images.
When compiling for this platform, the macro Q_WS_WIN is defined.
Not documented here. Please contact Trolltech Technical Support if you have queries.
When compiling for this platform, the macro Q_WS_MAC is defined.
When compiling for this platform, the macro Q_WS_QWS is defined (the window system is literally the Qt Window System). See the Qtopia Core documentation for more information.
| Copyright © 2008 Trolltech | Trademarks | Qt 4.3.5 |