|
Packit |
1470ea |
/* A window in the application */
|
|
Packit |
1470ea |
class MyWindow : Gtk.ApplicationWindow {
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* An instance array of linux distributions belonging to this window. */
|
|
Packit |
1470ea |
string[] distros = {"Select distribution", "Fedora", "Mint", "Suse"};
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* This enum makes the code more readable when we refer to
|
|
Packit |
1470ea |
* the column as Column.DISTRO, instead of just 0.
|
|
Packit |
1470ea |
*/
|
|
Packit |
1470ea |
enum Column {
|
|
Packit |
1470ea |
DISTRO
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Constructor */
|
|
Packit |
1470ea |
internal MyWindow (MyApplication app) {
|
|
Packit |
1470ea |
Object (application: app, title: "Welcome to GNOME");
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
this.set_default_size (200, -1);
|
|
Packit |
1470ea |
this.border_width = 10;
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
Gtk.ListStore liststore = new Gtk.ListStore (1, typeof (string));
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
for (int i = 0; i < distros.length; i++){
|
|
Packit |
1470ea |
Gtk.TreeIter iter;
|
|
Packit |
1470ea |
liststore.append (out iter);
|
|
Packit |
1470ea |
liststore.set (iter, Column.DISTRO, distros[i]);
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
Gtk.ComboBox combobox = new Gtk.ComboBox.with_model (liststore);
|
|
Packit |
1470ea |
Gtk.CellRendererText cell = new Gtk.CellRendererText ();
|
|
Packit |
1470ea |
combobox.pack_start (cell, false);
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
combobox.set_attributes (cell, "text", Column.DISTRO);
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Set the first item in the list to be selected (active). */
|
|
Packit |
1470ea |
combobox.set_active (0);
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Connect the 'changed' signal of the combobox
|
|
Packit |
1470ea |
* to the signal handler (aka. callback function).
|
|
Packit |
1470ea |
*/
|
|
Packit |
1470ea |
combobox.changed.connect (this.item_changed);
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Add the combobox to this window */
|
|
Packit |
1470ea |
this.add (combobox);
|
|
Packit |
1470ea |
combobox.show ();
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Signal handler for the 'changed' signal of the combobox. */
|
|
Packit |
1470ea |
void item_changed (Gtk.ComboBox combo) {
|
|
Packit |
1470ea |
if (combo.get_active () !=0) {
|
|
Packit |
1470ea |
print ("You chose " + distros [combo.get_active ()] +"\n");
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* This is the application */
|
|
Packit |
1470ea |
class MyApplication : Gtk.Application {
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Constructor */
|
|
Packit |
1470ea |
internal MyApplication () {
|
|
Packit |
1470ea |
Object (application_id: "org.example.MyApplication");
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Override the activate signal of GLib.Application,
|
|
Packit |
1470ea |
* which is inherited by Gtk.Application.
|
|
Packit |
1470ea |
*/
|
|
Packit |
1470ea |
protected override void activate () {
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* Create the window of this application
|
|
Packit |
1470ea |
* and show it.
|
|
Packit |
1470ea |
*/
|
|
Packit |
1470ea |
new MyWindow (this).show ();
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
}
|
|
Packit |
1470ea |
|
|
Packit |
1470ea |
/* main creates and runs the application */
|
|
Packit |
1470ea |
int main (string[] args) {
|
|
Packit |
1470ea |
return new MyApplication ().run (args);
|
|
Packit |
1470ea |
}
|