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<div class="sect1" title="ColorSelectionDialog">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="sec-color-selection-dialog"></a>ColorSelectionDialog</h2></div></div></div>
<p>
The <code class="classname">ColorSelectionDialog</code> allows the user to choose a
color.
</p>
<p><a class="ulink" href="http://library.gnome.org/devel/gtkmm/unstable/classGtk_1_1ColorSelectionDialog.html" target="_top">Reference</a></p>
<div class="sect2" title="Example">
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<a name="colorselectiondialog-example"></a>Example</h3></div></div></div>
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<a name="figure-dialogs-colorselectiondialog"></a><p class="title"><b>Figure 14.3. ColorSelectionDialog</b></p>
<div class="figure-contents"><div class="screenshot"><div><img src="figures/dialogs_colorselectiondialog.png" alt="ColorSelectionDialog"></div></div></div>
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<br class="figure-break"><p><a class="ulink" href="http://git.gnome.org/cgit/gtkmm-documentation/tree/examples/book/dialogs/colorselectiondialog" target="_top">Source Code</a></p>
<p>File: <code class="filename">examplewindow.h</code>
</p>
<pre class="programlisting">
#ifndef GTKMM_EXAMPLEWINDOW_H
#define GTKMM_EXAMPLEWINDOW_H
#include <gtkmm.h>
class ExampleWindow : public Gtk::Window
{
public:
ExampleWindow();
virtual ~ExampleWindow();
protected:
//Signal handlers:
void on_button_color_set();
//Child widgets:
Gtk::VBox m_VBox;
Gtk::ColorButton m_Button;
Gtk::DrawingArea m_DrawingArea; //To show the color.
Gdk::Color m_Color;
};
#endif //GTKMM_EXAMPLEWINDOW_H
</pre>
<p>File: <code class="filename">examplewindow.cc</code>
</p>
<pre class="programlisting">
#include "examplewindow.h"
#include <iostream>
ExampleWindow::ExampleWindow()
{
set_title("Gtk::ColorButton example");
set_default_size(200, 200);
add(m_VBox);
m_VBox.pack_start(m_Button, Gtk::PACK_SHRINK);
m_Button.signal_color_set().connect(sigc::mem_fun(*this,
&ExampleWindow::on_button_color_set) );
//Set start color:
m_Color.set_red(0);
m_Color.set_blue(65535);
m_Color.set_green(0);
m_Button.set_color(m_Color);
m_DrawingArea.modify_bg(Gtk::STATE_NORMAL, m_Color);
m_VBox.pack_start(m_DrawingArea);
show_all_children();
}
ExampleWindow::~ExampleWindow()
{
}
void ExampleWindow::on_button_color_set()
{
//Store the chosen color, and show it:
m_Color = m_Button.get_color();
m_DrawingArea.modify_bg(Gtk::STATE_NORMAL, m_Color);
}
</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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133
