142 lines
5.1 KiB
Plaintext
142 lines
5.1 KiB
Plaintext
<!-- $XConsortium: PrintRes.sgm /main/8 1996/08/31 14:58:59 rws $ -->
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<!-- (c) Copyright 1996 Digital Equipment Corporation. -->
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<!-- (c) Copyright 1996 Hewlett-Packard Company. -->
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<!-- (c) Copyright 1996 International Business Machines Corp. -->
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<!-- (c) Copyright 1996 Sun Microsystems, Inc. -->
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<!-- (c) Copyright 1996 Novell, Inc. -->
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<!-- (c) Copyright 1996 FUJITSU LIMITED. -->
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<!-- (c) Copyright 1996 Hitachi. -->
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<![ %CDE.C.CDE; [<refentry id="CDE.XPRINT.DtPrintResetConnectio">]]>
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<![ %CDE.C.XO; [<refentry id="XCSA.XPRINT.DtPrintResetConnectio">]]>
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<refmeta><refentrytitle>
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DtPrintResetConnection
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</refentrytitle><manvolnum>library call</manvolnum></refmeta><refnamediv>
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<refname><function>DtPrintResetConnection</function></refname><refpurpose>
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resets the print display connection managed by a
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<function>DtPrintSetupBox</function>
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</refpurpose></refnamediv><refsynopsisdiv>
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<funcsynopsis>
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<funcsynopsisinfo>#include <Print.h></funcsynopsisinfo>
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<funcdef>XtEnum <function>DtPrintResetConnection</function></funcdef>
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<paramdef>Widget <parameter>wid</parameter></paramdef>
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<paramdef>DtPrintResetConnectionMode <parameter>mode</parameter></paramdef>
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</funcsynopsis>
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</refsynopsisdiv><refsect1>
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<title>DESCRIPTION</title>
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<para>The <function>DtPrintResetConnection</function> function
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is a convenience function provided by the
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<function>DtPrintSetupBox</function> widget that allows applications
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to direct the widget to stop managing the X print server connection.
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A <symbol role="Variable">mode</symbol> parameter is
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included in order to direct the widget to close the print connection by
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calling <function>XpDestroyPrintContext</function> and
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<function>XCloseDisplay</function> or to simply relinquish
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control of the connection without closing it.
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</para>
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<para><function>DtPrintResetConnection</function> is intended
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to be used by applications that fork
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a child process to perform the print rendering operation. Immediately
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after the fork is performed, the parent process will close its X print
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server connection, and retain its connection to the video X server. The
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forked child on the other hand will close its video X server connection
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and perform the rendering operation on the X print server connection.
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</para>
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</refsect1><refsect1>
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<title>ARGUMENTS</title>
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<variablelist>
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<varlistentry><term><symbol role="Variable">wid</symbol></term>
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<listitem>
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<para>The <function>DtPrintSetupBox</function> widget ID.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry><term><symbol role="Variable">mode</symbol></term>
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<listitem>
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<para>Indicates whether <function>DtPrintResetConnection</function>
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should close the X print server
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connection, or simply cause the
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<function>DtPrintSetupBox</function> to cease managing the
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connection.
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</para>
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<para>Valid values are:
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</para>
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<variablelist>
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<varlistentry><term><systemitem class="constant">DtPRINT_CLOSE_CONNECTION</systemitem></term>
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<listitem>
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<para>Set by the parent process when the application forks a child to perform
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the print rendering. This will cause the
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<Symbol>DtNclosePrintDisplayCallback</Symbol>
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list set for the passed <function>DtPrintSetupBox</function> to be called.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry><term><systemitem class="constant">DtPRINT_RELEASE_CONNECTION</systemitem></term>
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<listitem>
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<para>Set when the application wishes to destroy the
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<function>DtPrintSetupBox</function> widget
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instance and still perform print rendering using the X print server
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connection initiated by the widget. For example, the child process of an
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application that forks to perform print rendering will close the video
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display connection (thereby destroying the
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<function>DtPrintSetupBox</function> widget) prior
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to print rendering. No <function>DtPrintSetupBox</function>
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callbacks will be called as a result of this operation.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1><refsect1>
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<title>RETURN VALUE</title>
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<variablelist>
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<varlistentry><term><systemitem class="constant">DtPRINT_SUCCESS</systemitem></term>
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<listitem>
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<para><function>DtPrintResetConnection</function> was successful.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry><term><systemitem class="constant">DtPRINT_NO_CONNECTION</systemitem></term>
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<listitem>
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<para>An open X print server connection is not currently being
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managed by the <function>DtPrintSetupBox</function>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry><term><systemitem class="constant">DtPRINT_BAD_PARM</systemitem></term>
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<listitem>
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<para>The value passed for
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<symbol role="Variable">wid</symbol> is NULL, or an invalid
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<symbol role="Variable">mode</symbol> was passed.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1><refsect1>
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<title>ENVIRONMENT VARIABLES</title>
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<para>None.
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</para>
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</refsect1><refsect1>
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<title>RESOURCES</title>
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<para>None.</para>
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</refsect1><refsect1>
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<title>ACTIONS/MESSAGES</title>
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<para>None.
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</para>
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</refsect1><refsect1>
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<title>ERRORS/WARNINGS</title>
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<para>None.</para>
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</refsect1><refsect1>
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<title>EXAMPLES</title>
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<para>None.
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</para>
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</refsect1><refsect1>
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<title>FILES</title>
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<para>None.
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</para>
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</refsect1><refsect1>
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<title>SEE ALSO</title>
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<para>&cdeman.DtPrintSetupBox;</para>
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</refsect1></refentry>
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