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<th width="60%" align="center">Chapter 4. Buttons</th>
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<div class="sect1" title="CheckButton">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="sec-checkboxes"></a>CheckButton</h2></div></div></div>
<p>
<code class="classname">Gtk::CheckButton</code> inherits from
<code class="classname">Gtk::ToggleButton</code>. The only real difference between the
two is <code class="classname">Gtk::CheckButton</code>'s
appearance. You can check, set, and toggle a checkbox using the same
member methods as for <code class="classname">Gtk::ToggleButton</code>.
</p>
<p><a class="ulink" href="http://library.gnome.org/devel/gtkmm/unstable/classGtk_1_1CheckButton.html" target="_top">Reference</a></p>
<div class="sect2" title="Example">
<div class="titlepage"><div><div><h3 class="title">
<a name="checkbutton-example"></a>Example</h3></div></div></div>
<div class="figure">
<a name="figure-checkbutton"></a><p class="title"><b>Figure 4.2. CheckButton</b></p>
<div class="figure-contents"><div class="screenshot"><div><img src="figures/checkbutton.png" alt="CheckButton"></div></div></div>
</div>
<br class="figure-break"><p><a class="ulink" href="http://git.gnome.org/cgit/gtkmm-documentation/tree/examples/book/buttons/checkbutton" target="_top">Source Code</a></p>
<p>File: <code class="filename">examplewindow.h</code>
</p>
<pre class="programlisting">
#ifndef GTKMM_EXAMPLE_BUTTONS_H
#define GTKMM_EXAMPLE_BUTTONS_H
#include <gtkmm/window.h>
#include <gtkmm/checkbutton.h>
class ExampleWindow : public Gtk::Window
{
public:
ExampleWindow();
virtual ~ExampleWindow();
protected:
//Signal handlers:
void on_button_clicked();
//Child widgets:
Gtk::CheckButton m_button;
};
#endif //GTKMM_EXAMPLE_BUTTONS_H
</pre>
<p>File: <code class="filename">examplewindow.cc</code>
</p>
<pre class="programlisting">
#include "examplewindow.h"
#include <iostream>
ExampleWindow::ExampleWindow()
: m_button("something")
{
set_title("checkbutton example");
set_border_width(10);
m_button.signal_clicked().connect(sigc::mem_fun(*this,
&ExampleWindow::on_button_clicked) );
add(m_button);
show_all_children();
}
ExampleWindow::~ExampleWindow()
{
}
void ExampleWindow::on_button_clicked()
{
std::cout << "The Button was clicked: state="
<< (m_button.get_active() ? "true" : "false")
<< std::endl;
}
</pre>
<p>File: <code class="filename">main.cc</code>
</p>
<pre class="programlisting">
#include <gtkmm/main.h>
#include "examplewindow.h"
int main(int argc, char *argv[])
{
Gtk::Main kit(argc, argv);
ExampleWindow window;
//Shows the window and returns when it is closed.
Gtk::Main::run(window);
return 0;
}
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distrib
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Mandriva
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2010.0
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i586
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media
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contrib-release
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by-pkgid
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345aa895e80053137c21f8693106c3a0
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files
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