proportioned window

[Luca Guglielmetti <luca guglielmetti gmail com>]

Hi,
I'm trying to write a small GUI with one Dialog window and lot of HBox
and VBox, but I still have problems to get a good-loking
and proportionated window.

This [1] is my current GUI, but I would like to put more space between
the Bottons and the HSeparator; something like this [2].

Best regards
Guglie

[1] http://n.ethz.ch/student/lucagu/pub/img/window_gtkmm.png
[2] http://n.ethz.ch/student/lucagu/pub/img/window_glade.png

---------- BEGIN SOURCE CODE ----------


class warning_window : public Gtk::Dialog
{
public:
	warning_window();
	virtual ~warning_window();

protected:
	//Signal handlers:
	bool on_delete_event(GdkEventAny* event);
	void on_button_cancel();
	Glib::RefPtr<Gdk::Pixbuf> load_icon(const std::string&
		icon_name); void on_button_reboot();
	
	//Member widgets:
	Gtk::VBox m_vbox_main, m_vbox_title, m_vbox_middle;
	Gtk::HBox m_hbox_images, m_hbox_txt, m_hbox_data;
	Gtk::HSeparator m_hsep_title, m_hsep_middle;
	Gtk::Button m_button_ok, m_button_cancel;
	Gtk::Label m_lbl_title, m_lbl_perc_txt, m_lbl_perc_data,
		m_lbl_time_txt, m_lbl_time_data; Gtk::Image m_img_perc,
		m_img_time; };

warning_window::warning_window()
:
	m_button_ok(Gtk::Stock::OK),
	m_button_cancel(Gtk::Stock::CANCEL)
{	
	//set windows variables
	set_border_width(10);
	set_resizable(true);
	set_size_request(300, 300);
	set_title("Power low");
	set_position(Gtk::WIN_POS_CENTER);

	get_vbox()->pack_start(m_vbox_main);
	m_vbox_main.set_spacing(10);

	// title
	m_lbl_title.set_justify(Gtk::JUSTIFY_CENTER);
	m_vbox_main.pack_start(m_lbl_title);
	m_lbl_title.set_text("Power low: reboot the computer?");
	m_vbox_main.pack_start(m_hsep_title);

	// middle
	m_vbox_main.pack_start(m_vbox_middle);

	// images
	m_vbox_middle.pack_start(m_hbox_images);
	m_vbox_middle.set_spacing(10);
	m_img_perc.set(Gtk::Stock::FULLSCREEN, Gtk::ICON_SIZE_DIALOG);
	m_hbox_images.pack_start(m_img_perc);
	m_img_time.set(Gtk::Stock::HOME, Gtk::ICON_SIZE_DIALOG);
	m_hbox_images.pack_start(m_img_time);

	// text
	m_vbox_middle.pack_start(m_hbox_txt);
	m_hbox_txt.pack_start(m_lbl_perc_txt);
	m_lbl_perc_txt.set_text("Percent:");
	m_hbox_txt.pack_start(m_lbl_time_txt);
	m_lbl_time_txt.set_text("Elapsed time:");

	// data
	m_vbox_middle.pack_start(m_hbox_data);
	m_hbox_data.pack_start(m_lbl_perc_data);
	m_lbl_perc_data.set_text("10 %");
	m_hbox_data.pack_start(m_lbl_time_data);
	m_lbl_time_data.set_text("20 : 12");

	m_vbox_middle.set_spacing(10);	

	//buttons
	add_button(Gtk::Stock::OK, 1);
	add_button(Gtk::Stock::CANCEL, 2);

	show_all_children();
}

---------- END SOURCE CODE ----------

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