forked from AuroraMiddleware/gtk
c51f965782
Bring the various 'run uninstalled' hacks in line with the new way of doing things, and fix make install for module cache files. Patch by Tadej Borovsak.
397 lines
13 KiB
XML
397 lines
13 KiB
XML
<?xml version="1.0"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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]>
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<refentry id="gtk-running">
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<refmeta>
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<refentrytitle>Running GTK+ Applications</refentrytitle>
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<manvolnum>3</manvolnum>
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<refmiscinfo>GTK Library</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>Running GTK+ Applications</refname>
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<refpurpose>
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How to run and debug your GTK+ application
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</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Running and debugging GTK+ Applications</title>
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<refsect2>
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<title>Common commandline options</title>
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<para>
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All GTK+ applications support a number of standard commandline
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options. These are removed from <literal>argv</literal> by gtk_init().
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Modules may parse and remove further options. The
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<link linkend="x11-cmdline">X11</link> and
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<link linkend="win32-cmdline">Windows</link> GDK backends parse
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some additional commandline options.
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</para>
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<formalpara>
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<title><systemitem>--gtk-module <replaceable>module</replaceable></systemitem></title>
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<para>
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A list of modules to load in addition to those specified in the
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<envar>GTK_MODULES</envar> environment variable and the
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<literal>gtk-modules</literal> setting.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--g-fatal-warnings</systemitem></title>
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<para>
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Make GTK+ abort on all warnings. This is useful to stop on the first
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warning in a debugger, if your application is printing multiple
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warnings. It's almost always best to start debugging with the first
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warning that occurs.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--gtk-debug <replaceable>options</replaceable></systemitem></title>
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<para>
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A list of <link linkend="GTK-Debug-Options">debug options</link>
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to turn on in addition to those specified in the <envar>GTK_DEBUG</envar>
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environment variable. This option is only available if GTK+ has been
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configured with <option>--enable-debug=yes</option>.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--gtk-no-debug <replaceable>options</replaceable></systemitem></title>
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<para>
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A list of <link linkend="GTK-Debug-Options">debug options</link>
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to turn off. This option is only available if GTK+ has been configured with
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<option>--enable-debug=yes</option>.
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</para>
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</formalpara>
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<para>
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The following options are really used by GDK, not by GTK+, but we
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list them here for completeness nevertheless.
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</para>
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<formalpara>
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<title><systemitem>--class <replaceable>class</replaceable></systemitem></title>
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<para>
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Sets the program class; see gdk_set_program_class().
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--name <replaceable>name</replaceable></systemitem></title>
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<para>
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Sets the program name.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--gdk-debug <replaceable>options</replaceable></systemitem></title>
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<para>
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A list of <link linkend="GDK-Debug-Options">debug options</link>
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to turn on in addition to those specified in the <envar>GDK_DEBUG</envar>
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environment variable. This option is only available if GTK+ has been
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configured with <option>--enable-debug=yes</option>.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--gdk-no-debug <replaceable>options</replaceable></systemitem></title>
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<para>
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A list of <link linkend="GDK-Debug-Options">debug options</link>
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to turn off. This option is only available if GTK+ has been configured with
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<option>--enable-debug=yes</option>.
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</para>
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</formalpara>
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</refsect2>
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<refsect2>
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<title>Environment variables</title>
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<para>
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GTK+ inspects a number of environment variables in addition to standard
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variables like <envar>LANG</envar>, <envar>PATH</envar>, <envar>HOME</envar>
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or <envar>DISPLAY</envar>; mostly to determine paths to look for certain
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files. The <link linkend="x11-envar">X11</link>,
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<link linkend="win32-envar">Windows</link> and
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<link linkend="fb-envar">Framebuffer</link> GDK backends use some
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additional environment variables.
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</para>
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<formalpara id="GTK-Debug-Options">
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<title><envar>GTK_DEBUG</envar></title>
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<para>
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If GTK+ has been configured with <option>--enable-debug=yes</option>,
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this variable can be set to a list of debug options, which cause GTK+
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to print out different types of debugging information.
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<variablelist>
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<varlistentry>
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<term>misc</term>
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<listitem><para>Miscellaneous information</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>plugsocket</term>
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<listitem><para>Cross-process embedding</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>text</term>
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<listitem><para>Text widget internals</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>tree</term>
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<listitem><para>Tree widget internals</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>updates</term>
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<listitem><para>Visual feedback about window updates</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>keybindings</term>
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<listitem><para>Keybindings</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>multihead</term>
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<listitem><para>Working on multiple displays</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>modules</term>
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<listitem><para>Loading of modules</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>geometry</term>
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<listitem><para>Size allocation</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>icontheme</term>
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<listitem><para>Icon themes</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>printing</term>
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<listitem><para>Printing support</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>builder</term>
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<listitem><para>GtkBuilder support</para></listitem>
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</varlistentry>
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</variablelist>
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The special value <literal>all</literal> can be used to turn on all
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debug options.
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</para>
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</formalpara>
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<formalpara>
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<title><envar>GTK_MODULES</envar></title>
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<para>
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A list of modules to load. Note that GTK+ also allows to specify modules to load via a commandline option (<option>--gtk-module</option>) and with the <literal>gtk-modules</literal> setting.
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</para>
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</formalpara>
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<formalpara>
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<title><envar>GTK_PATH</envar></title>
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<para>
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Specifies a list of directories to search when GTK+ is looking for
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dynamically loaded objects such as the modules specified by
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<envar>GTK_MODULES</envar>, theme engines, input method
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modules, file system backends and print backends. If the path to
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the dynamically loaded object is given as an absolute path name,
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then GTK+ loads it directly.
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Otherwise, GTK+ goes in turn through the directories in GTK_PATH,
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followed by the directory <filename>.gtk-3.0</filename> in the user's
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home directory, followed by the system default directory,
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which is <filename><replaceable>libdir</replaceable>/gtk-3.0/modules</filename>.
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(If <envar>GTK_EXE_PREFIX</envar> is defined, <replaceable>libdir</replaceable> is
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<filename>$GTK_EXE_PREFIX/lib</filename>. Otherwise it is the libdir
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specified when GTK+ was configured, usually
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<filename>/usr/lib</filename>, or
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<filename>/usr/local/lib</filename>.)
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For each directory in this list, GTK+ actually looks in a
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subdirectory
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<filename><replaceable>directory</replaceable>/<replaceable>version</replaceable>/<replaceable>host</replaceable>/<replaceable>type</replaceable></filename>
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Where <replaceable>version</replaceable> is derived from the
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version of GTK+ (use <literal>pkg-config
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--variable=gtk_binary_version gtk+-3.0</literal> to determine this from a
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script), <replaceable>host</replaceable> is the architecture on
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which GTK+ was built. (use <literal>pkg-config
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--variable=gtk_host gtk+-3.0</literal> to determine this from a
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script), and <replaceable>type</replaceable> is a directory
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specific to the type of modules; currently it can be
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<literal>modules</literal>, <literal>engines</literal>,
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<literal>immodules</literal>, <literal>filesystems</literal> or
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<literal>printbackends</literal>, corresponding to the types of
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modules mentioned above. Either <replaceable>version</replaceable>,
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<replaceable>host</replaceable>, or both may be omitted. GTK+ looks
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first in the most specific directory, then in directories with
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fewer components.
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The components of GTK_PATH are separated by the ':' character on
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Linux and Unix, and the ';' character on Windows.
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</para>
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</formalpara>
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<formalpara>
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<title><envar>GTK_IM_MODULE</envar></title>
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<para>
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Specifies an IM module to use in preference to the one determined
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from the locale. If this isn't set and you are running on the system
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that enables <literal>XSETTINGS</literal> and has a value in
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<literal>Gtk/IMModule</literal>, that will be used for the default
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IM module.
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</para>
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</formalpara>
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<formalpara id="im-module-file">
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<title><envar>GTK_IM_MODULE_FILE</envar></title>
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<para>
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Specifies the file listing the IM modules to load. This environment
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variable overrides the <literal>im_module_file</literal> specified in
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the RC files, which in turn overrides the default value
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<filename><replaceable>libdir</replaceable>/gtk-3.0/3.0.0/immodules.cache</filename>
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(<replaceable>libdir</replaceable> has the same meaning here as explained for <envar>GTK_PATH</envar>).
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</para>
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</formalpara>
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<formalpara>
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<title><envar>GTK2_RC_FILES</envar></title>
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<para>
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Specifies a list of RC files to parse instead of the default ones;
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see <link linkend="gtk-Resource-Files">Resource Files</link>.
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</para>
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</formalpara>
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<formalpara>
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<title><envar>GTK_EXE_PREFIX</envar></title>
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<para>
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If set, GTK+ uses <filename>$GTK_EXE_PREFIX/lib</filename> instead of
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the libdir configured when GTK+ was compiled.
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</para>
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</formalpara>
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<formalpara>
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<title><envar>GTK_DATA_PREFIX</envar></title>
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<para>
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If set, makes GTK+ use <filename>$GTK_DATA_PREFIX</filename>
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instead of the prefix configured when GTK+ was compiled.
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</para>
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</formalpara>
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<para>
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The following environment variables are used by GdkPixbuf, GDK or
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Pango, not by GTK+ itself, but we list them here for completeness
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nevertheless.
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</para>
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<formalpara>
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<title><envar>GDK_PIXBUF_MODULE_FILE</envar></title>
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<para>
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Specifies the file listing the GdkPixbuf loader modules to load.
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This environment variable overrides the default value
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<filename><replaceable>libdir</replaceable>/gtk-3.0/3.0.0/loaders.cache</filename>
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(<replaceable>libdir</replaceable> is the sysconfdir specified when
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GTK+ was configured, usually <filename>/usr/local/lib</filename>.)
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</para>
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</formalpara>
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<formalpara id="GDK-Debug-Options">
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<title><envar>GDK_DEBUG</envar></title>
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<para>
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If GTK+ has been configured with <option>--enable-debug=yes</option>,
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this variable can be set to a list of debug options, which cause GDK
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to print out different types of debugging information.
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<variablelist>
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<varlistentry>
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<term>misc</term>
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<listitem><para>Miscellaneous information</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>events</term>
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<listitem><para>Show all events received by GDK</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>dnd</term>
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<listitem><para>Information about drag-and-drop</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>xim</term>
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<listitem><para>Information about XIM support</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>nograbs</term>
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<listitem><para>Turn off all pointer and keyboard grabs</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>multihead</term>
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<listitem><para>Information related to multiple screens</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>xinerama</term>
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<listitem><para>Simulate a multi-monitor setup</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>cursor</term>
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<listitem><para>Information about cursor objects (only win32)</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>draw</term>
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<listitem><para>Information about drawing operations (only win32)</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>eventloop</term>
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<listitem><para>Information about event loop operation (mostly Quartz)</para></listitem>
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</varlistentry>
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</variablelist>
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The special value <literal>all</literal> can be used to turn on all
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debug options.
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</para>
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</formalpara>
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<formalpara>
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<title><envar>GDK_NATIVE_WINDOWS</envar></title>
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<para>
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If set, GDK creates all windows as native windows. This can help
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applications that make assumptions about 1-1 correspondence between
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GDK windows and X11 windows.
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</para>
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</formalpara>
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<formalpara>
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<title><envar>XDG_DATA_HOME</envar>, <envar>XDG_DATA_DIRS</envar></title>
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<para>
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GTK+ uses these environment variables to locate icon themes
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and MIME information. For more information, see
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<ulink url="http://freedesktop.org/Standards/icon-theme-spec">Icon Theme Specification</ulink>,
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the <ulink url="http://freedesktop.org/Standards/shared-mime-info-spec">Shared MIME-info Database</ulink>
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and the <ulink url="http://freedesktop.org/Standards/basedir-spec">Base Directory Specification</ulink>.
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</para>
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</formalpara>
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</refsect2>
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</refsect1>
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</refentry>
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