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<h1>Gtk::Main Class Reference</h1><a class="el" href="classGtk_1_1Main.html">Main</a> application class Every application must have one of these objects.
<a href="#_details">More...</a>
<p>
Inheritance diagram for Gtk::Main:<p><center><img src="classGtk_1_1Main__inherit__graph.png" border="0" usemap="#Gtk_1_1Main__inherit__map" alt="Inheritance graph"></center>
<map name="Gtk_1_1Main__inherit__map">
<area href="classSigC_1_1Object.html" shape="rect" coords="15,17,65,36" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classGtk_1_1Main-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#a0">Main</a> (int* argc, char*** argv, bool set_locale=true)</td></tr>
<tr><td> </td><td><font size=-1><em>Scans the argument vector, and strips off all parameters known to GTK+.</em> <a href="#a0"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#a1">Main</a> (int& argc, char**& argv, bool set_locale=true)</td></tr>
<tr><td nowrap align=right valign=top>virtual </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#a2">~Main</a> ()</td></tr>
<tr><td colspan=2><br><h2>Static Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top>Gtk::Main* </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d0">instance</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Access to one global instance of Gtk::Main.</em> <a href="#d0"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d1">run</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Start the event loop.</em> <a href="#d1"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d2">run</a> (<a class="el" href="classGtk_1_1Window.html">Window</a>& window)</td></tr>
<tr><td> </td><td><font size=-1><em>Returns from the main loop when the window is closed.</em> <a href="#d2"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d3">quit</a> ()</td></tr>
<tr><td nowrap align=right valign=top>guint </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d4">level</a> ()</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d5">iteration</a> (bool blocking=true)</td></tr>
<tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d6">events_pending</a> ()</td></tr>
<tr><td nowrap align=right valign=top>RunSig& </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d7">signal_run</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Run signal.</em> <a href="#d7"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>QuitSig& </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d8">signal_quit</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Quit signal You can connect signal handlers to invoke actions when <a class="el" href="classGtk_1_1Main.html#d3">Gtk::Main::quit()</a> has been called.</em> <a href="#d8"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>KeySnooperSig& </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d9">signal_key_snooper</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>KeySnooper signal Allows you to channel keypresses to a signal handler without registering with the widget.</em> <a href="#d9"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#d10">init_gtkmm_internals</a> ()</td></tr>
<tr><td colspan=2><br><h2>Protected Methods</h2></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b0">Main</a> ()</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b1">init</a> (int* argc, char*** argv, bool set_locale)</td></tr>
<tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b2">run_impl</a> ()</td></tr>
<tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b3">quit_impl</a> ()</td></tr>
<tr><td nowrap align=right valign=top>virtual guint </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b4">level_impl</a> ()</td></tr>
<tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b5">iteration_impl</a> (bool blocking)</td></tr>
<tr><td nowrap align=right valign=top>virtual bool </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b6">events_pending_impl</a> ()</td></tr>
<tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#b7">on_window_hide</a> ()</td></tr>
<tr><td colspan=2><br><h2>Static Protected Attributes</h2></td></tr>
<tr><td nowrap align=right valign=top>RunSig </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#q0">signal_run_</a></td></tr>
<tr><td nowrap align=right valign=top>QuitSig </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#q1">signal_quit_</a></td></tr>
<tr><td nowrap align=right valign=top>KeySnooperSig </td><td valign=bottom><a class="el" href="classGtk_1_1Main.html#q2">signal_key_snooper_</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<a class="el" href="classGtk_1_1Main.html">Main</a> application class Every application must have one of these objects.
<p>
It may not be global and must be the first <a class="el" href="namespaceGtk.html">Gtk</a> object created. It is a singleton so declaring more than one will simply access the first created.
<p>
Normal use of this class is in the main() function to give argc and argv to the gtk initialization. Widgets can use <a class="el" href="classGtk_1_1Main.html#d3">Gtk::Main::quit()</a> to exit from the application.
<p>
The internals of the widget have been disguised as signals so that the user can easily connect using the same methods used throughout the widget interface.
<p>
Minimal gtkmm application is something like this: <div class="fragment"><pre>
<span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) {
<a class="code" href="classGtk_1_1Main.html">Gtk::Main</a> kit(argc, argv);
... create some widgets ...
kit.<a class="code" href="classGtk_1_1Main.html#d1">run</a>();
}
</pre></div><dl compact><dt><b>Examples: </b></dt><dd>
<p>
<a class="el" href="thread_2dispatcher_8cc-example.html#_a14">thread/dispatcher.cc</a>.</dl>
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a name="a0" doxytag="Gtk::Main::Main"></a><p>
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<td class="md">
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<td class="md" nowrap valign="top"> Gtk::Main::Main </td>
<td class="md" valign="top">(</td>
<td class="md" nowrap valign="top">int* </td>
<td class="mdname" nowrap> <em>argc</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>char *** </td>
<td class="mdname" nowrap> <em>argv</em>, </td>
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<tr>
<td></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>set_locale</em> = true</td>
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<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Scans the argument vector, and strips off all parameters known to GTK+.
<p>
Your application may then handle the remaining arguments.
<p>
Note: The argument strings themself won't be modified, although the pointers to them might change. This makes it possible to create your own argv of string literals, which have the type 'const char[]' in standard C++. (You might need to use const_cast<>, though.) </td>
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<a name="a1" doxytag="Gtk::Main::Main"></a><p>
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<td class="md" nowrap valign="top"> Gtk::Main::Main </td>
<td class="md" valign="top">(</td>
<td class="md" nowrap valign="top">int& </td>
<td class="mdname" nowrap> <em>argc</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>char **& </td>
<td class="mdname" nowrap> <em>argv</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>set_locale</em> = true</td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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</td>
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<a name="a2" doxytag="Gtk::Main::~Main"></a><p>
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<td class="md" nowrap valign="top"> virtual Gtk::Main::~Main </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [virtual]</code></td>
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<a name="b0" doxytag="Gtk::Main::Main"></a><p>
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<td class="md" nowrap valign="top"> Gtk::Main::Main </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [protected]</code></td>
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</td>
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<hr><h2>Member Function Documentation</h2>
<a name="d6" doxytag="Gtk::Main::events_pending"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
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<td class="md">
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<td class="md" nowrap valign="top"> bool Gtk::Main::events_pending </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
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<a name="b6" doxytag="Gtk::Main::events_pending_impl"></a><p>
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<td class="md" nowrap valign="top"> virtual bool Gtk::Main::events_pending_impl </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [protected, virtual]</code></td>
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<a name="b1" doxytag="Gtk::Main::init"></a><p>
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<td class="md" nowrap valign="top"> void Gtk::Main::init </td>
<td class="md" valign="top">(</td>
<td class="md" nowrap valign="top">int* </td>
<td class="mdname" nowrap> <em>argc</em>, </td>
</tr>
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<td></td>
<td></td>
<td class="md" nowrap>char *** </td>
<td class="mdname" nowrap> <em>argv</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>set_locale</em></td>
</tr>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [protected]</code></td>
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<table cellspacing=5 cellpadding=0 border=0>
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<a name="d10" doxytag="Gtk::Main::init_gtkmm_internals"></a><p>
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<td class="md" nowrap valign="top"> void Gtk::Main::init_gtkmm_internals </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
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<a name="d0" doxytag="Gtk::Main::instance"></a><p>
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<td class="md" nowrap valign="top"> Gtk::Main* Gtk::Main::instance </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
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Access to one global instance of Gtk::Main.
<p>
</td>
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<a name="d5" doxytag="Gtk::Main::iteration"></a><p>
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<td class="md" nowrap valign="top"> void Gtk::Main::iteration </td>
<td class="md" valign="top">(</td>
<td class="md" nowrap valign="top">bool </td>
<td class="mdname1" valign="top" nowrap> <em>blocking</em> = true </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
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<a name="b5" doxytag="Gtk::Main::iteration_impl"></a><p>
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<td class="md" nowrap valign="top"> virtual void Gtk::Main::iteration_impl </td>
<td class="md" valign="top">(</td>
<td class="md" nowrap valign="top">bool </td>
<td class="mdname1" valign="top" nowrap> <em>blocking</em> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [protected, virtual]</code></td>
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<a name="d4" doxytag="Gtk::Main::level"></a><p>
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<td class="md" nowrap valign="top"> guint Gtk::Main::level </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
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<td class="md" nowrap valign="top"> virtual guint Gtk::Main::level_impl </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [protected, virtual]</code></td>
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<a name="b7" doxytag="Gtk::Main::on_window_hide"></a><p>
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<td class="md" nowrap valign="top"> virtual void Gtk::Main::on_window_hide </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [protected, virtual]</code></td>
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<a name="d3" doxytag="Gtk::Main::quit"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
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<td class="md">
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<td class="md" nowrap valign="top"> void Gtk::Main::quit </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
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<a name="b3" doxytag="Gtk::Main::quit_impl"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
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<td class="md">
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<td class="md" nowrap valign="top"> virtual void Gtk::Main::quit_impl </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [protected, virtual]</code></td>
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<a name="d2" doxytag="Gtk::Main::run"></a><p>
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<td class="md" nowrap valign="top"> void Gtk::Main::run </td>
<td class="md" valign="top">(</td>
<td class="md" nowrap valign="top"><a class="el" href="classGtk_1_1Window.html">Window</a>& </td>
<td class="mdname1" valign="top" nowrap> <em>window</em> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
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</td>
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<td>
</td>
<td>
<p>
Returns from the main loop when the window is closed.
<p>
When using this override, you should not use <a class="el" href="classGtk_1_1Main.html#d3">Gtk::Main::quit()</a> to close the application, but just call hide() on your <a class="el" href="classGtk_1_1Window.html">Window</a> class. </td>
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<a name="d1" doxytag="Gtk::Main::run"></a><p>
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<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> void Gtk::Main::run </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Start the event loop.
<p>
This begins the event loop which handles events. No events propagate until this has been called. It may be called recursively to popup dialogs <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="thread_2dispatcher_8cc-example.html#a16">thread/dispatcher.cc</a>.</dl> </td>
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<a name="b2" doxytag="Gtk::Main::run_impl"></a><p>
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<td class="md">
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<td class="md" nowrap valign="top"> virtual void Gtk::Main::run_impl </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [protected, virtual]</code></td>
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</td>
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</td>
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<a name="d9" doxytag="Gtk::Main::signal_key_snooper"></a><p>
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<td class="md">
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<td class="md" nowrap valign="top"> KeySnooperSig& Gtk::Main::signal_key_snooper </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
KeySnooper signal Allows you to channel keypresses to a signal handler without registering with the widget.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>GtkWidget*</em> </td><td>widget. </td></tr>
<tr><td valign=top><em>GdkEventAny&</em> </td><td>event </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>int</dd></dl>
It is the responsibility of the snooper to pass the keypress to the widget, however, care must be taken that the keypress is not passed twice. </td>
</tr>
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<a name="d8" doxytag="Gtk::Main::signal_quit"></a><p>
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> QuitSig& Gtk::Main::signal_quit </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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</td>
<td>
<p>
Quit signal You can connect signal handlers to invoke actions when <a class="el" href="classGtk_1_1Main.html#d3">Gtk::Main::quit()</a> has been called.
<p>
Note that main loops can be nested by calling <a class="el" href="classGtk_1_1Main.html#d1">Gtk::Main::run()</a> recursively, therefore receiving this signal doesn't necessarily mean the application is about to be terminated. If you want to receive a signal only when the last main loop quits, call connect() with <code>main_level = 1</code>. <div class="fragment"><pre>
<span class="keywordtype">bool</span> thisclass::mymethod() { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a class="code" href="classGtk_1_1Main.html#d8">Gtk::Main::signal_quit</a>().connect(SigC::slot(<span class="keyword">this</span>, &thisclass::mymethod));
</pre></div><dl compact><dt><b>Returns:</b></dt><dd>bool - <code>false</code> means callback is removed, <code>true</code> means it'll be called again the next the main loop quits. </dd></dl>
</td>
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<a name="d7" doxytag="Gtk::Main::signal_run"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
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<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> RunSig& Gtk::Main::signal_run </td>
<td class="md" valign="top">(</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Run signal.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>void </dd></dl>
</td>
</tr>
</table>
<hr><h2>Member Data Documentation</h2>
<a name="q2" doxytag="Gtk::Main::signal_key_snooper_"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
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<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> KeySnooperSig Gtk::Main::signal_key_snooper_<code> [static, protected]</code>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
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</table>
<a name="q1" doxytag="Gtk::Main::signal_quit_"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> QuitSig Gtk::Main::signal_quit_<code> [static, protected]</code>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
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</table>
<a name="q0" doxytag="Gtk::Main::signal_run_"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> RunSig Gtk::Main::signal_run_<code> [static, protected]</code>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
</td>
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</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="gtk_2gtkmm_2main_8h.html">gtk/gtkmm/main.h</a></ul>
<hr><address><small>
Generated for gtkmm by <a href="http://www.doxygen.org/index.html">
Doxygen</a> 1.3-rc1 © 1997-2001</small></address>
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