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65 lines
2.7 KiB
65 lines
2.7 KiB
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<title>Porting your applications to TQt/Embedded</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Porting your applications to TQt/Embedded</h1>
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<p> Existing TQt applications should require no porting provided there is no
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platform dependent code. Platform dependent code includes system calls,
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calls to the underlying window system (Windows or X11), and TQt platform
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specific methods such as <a href="ntqapplication.html#x11EventFilter">TQApplication::x11EventFilter</a>().
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<p> For cases where it is necessary to use platform dependent code there are
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macros defined that can be used to enable/disable code for each platform
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using <tt>#ifdef</tt> directives:
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<p> <center><table cellpadding="4" cellspacing="2" border="0">
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<tr bgcolor="#a2c511"> <th valign="top">Platform <th valign="top">Macro
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<tr bgcolor="#f0f0f0"> <td valign="top">TQt/X11 <td valign="top">TQ_WS_X11
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<tr bgcolor="#d0d0d0"> <td valign="top">TQt/Windows <td valign="top">TQ_WS_WIN
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<tr bgcolor="#f0f0f0"> <td valign="top">TQt/Embedded <td valign="top">TQ_WS_QWS
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</table></center>
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<p> TQt/Embedded also requires the following flags to be defined when compiling
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applications:
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<pre>
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-DTQWS -fno-exceptions -fno-rtti
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</pre>
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<p> Exceptions and RTTI are disabled in TQt/Embedded because they incur a large
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overhead in both size and speed.
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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