On Sat, 2006-08-19 at 17:22 +0200, Daniel Pekelharing wrote:
> Hi all,
>
> I have for the first had the need of a GtkComboBox in my app...
>
> I am a little confused about how to use it.
>
> I have:
>
> GtkWidget *box;
> GtkTreeList *list = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
This GtkTreeList thing is a typo, right?
> ... fill in the list store ...
>
> box = gtk_combo_box_new_with_model(list);
>...
>
> However the combo box remains empty.. ?
May be the cell renderers ?
> The documentation mentions that GtkComboBox uses the same cell rendering
> setup as GtkTreeView, but I can find no functions that allow one to set
> rendering attributes..
It implements GtkCellLayout.
> Obviously I'm just missing something obvious somewhere ...
>
> Any ideas / clues?
Check this out:
// save as "test.c", compile with:
// gcc test.c -o test `pkg-config --cflags --libs gtk+-2.0`
// run with ./test
#include <gtk/gtk.h>
int main(int argc, char **argv)
{
GtkWidget *dialog, *dialog_vbox;
GtkWidget *combo;
GtkListStore *store;
GtkTreeIter iter;
GtkCellRenderer *text_renderer;
gtk_init (&argc, &argv);
dialog = gtk_dialog_new();
dialog_vbox = GTK_DIALOG (dialog)->vbox;
gtk_widget_show (dialog_vbox);
store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT);
combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL(store));
gtk_widget_show (combo);
gtk_box_pack_start (GTK_BOX (dialog_vbox), combo, TRUE, TRUE, 0);
text_renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT(combo),
text_renderer, TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT(combo),
text_renderer, "text", 0);
text_renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_end (GTK_CELL_LAYOUT(combo),
text_renderer, TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT(combo),
text_renderer, "text", 1);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, 0, "Hi", 1, 0, -1);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, 0, "Hi one", 1, 1, -1);
g_signal_connect_swapped ( dialog,
"response",
gtk_main_quit,
NULL );
gtk_widget_show (dialog);
gtk_main ();
return 0;
}
--
Iago Rubio
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