GTK+ Forums

alen121 · Familiar Face Joined: 28 Sep 2007 Posts: 28

Hi . I want to add 2 items to my combobox but there is no display . what is the problem ?

Code: (Plaintext)

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#include <gtk/gtk.h>

int main(int argc, char *argv[]) {
GtkWidget *window , *combo;
gtk_init(&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
combo=gtk_combo_box_new();
GtkListStore *mylist ;
GtkTreeIter iter ;
mylist=gtk_list_store_new(1,G_TYPE_STRING);
gtk_list_store_append(mylist, &iter);
gtk_list_store_set (mylist, &iter,0,"Residental", -1);
gtk_list_store_append(mylist, &iter);
gtk_list_store_set (mylist, &iter,0,"Commerical", -1);
gtk_combo_box_set_model(GTK_COMBO_BOX(combo),GTK_TREE_MODEL(mylist));
gtk_container_add (GTK_CONTAINER (window),combo);
gtk_widget_show_all(window);
gtk_main();
return 0 ;
}

Micah Carrick · Posted: Tue Feb 12, 2008 5:53 pm Post subject:

If all you're looking to do is add text to the combo box, perhaps it would be simpler to use gtk_combo_box_new_text () and gtk_combo_box_append_text () functions instead of your own model.

Code: (C)

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#include <gtk/gtk.h>

int main(int argc, char *argv[]) {

GtkWidget *window , *combo;

gtk_init(&argc, &argv);

window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
combo=gtk_combo_box_new_text();

gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "Residental");
gtk_combo_box_append_text (GTK_COMBO_BOX (combo), "Commerical");
gtk_container_add (GTK_CONTAINER (window),combo);
gtk_widget_show_all(window);

g_signal_connect (G_OBJECT(window), "destroy",
G_CALLBACK (gtk_main_quit), NULL);

gtk_main();
return 0 ;
}

Lino · Familiar Face Joined: 27 Dec 2007 Posts: 19

Can I create a GtkComboBox with a custom GtkTreeModel? Yes, but how I add columns and cell-renderer?