Re: gtk_list_store_set issues.

[dE <de techno gmail com>]

On 06/01/13 21:17, Arnel A. Borja wrote:
> On Saturday, 01 June, 2013 11:33 PM, dE wrote:
> > On 06/01/13 20:38, Arnel A. Borja wrote:
> > > On Saturday, 01 June, 2013 10:49 PM, dE wrote:
> > > Hi,
> > >
> > > > Hello everyone!
> > > >
> > > > This is my first time serious programming in C, and I'm using GTK 
> > > > for this.
> > > >
> > > > In a ListStore, I'm trying to add data to it via --
> > > >
> > > > gtk_list_store_set ( list, &current, 0, "test00", 1, "test01", -1 );
> > > >
> > > > However, in both the columns I get test00 instead.
> > > Do you mean GtkTreeViewColumn when you said "columns"? Make sure 
> > > that you set attributes properly (one way of doing that is using 
> > > gtk_tree_view_insert_column_with_attributes). Maybe you could post 
> > > your code here (especially the part where the tree view is created).
> >
> > Yes, I meant GtkTreeViewColumn.
> >
> >     GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
> >     GtkTreeViewColumn **test_col = g_malloc (sizeof 
> > (GtkTreeViewColumn *) * 2);
> >
> >     test_col [0] = gtk_tree_view_column_new_with_attributes ( 
> > "test0", renderer, "text", 0, NULL );
> >     test_col [1] = gtk_tree_view_column_new_with_attributes ( 
> > "test1", renderer, "text", 0, NULL );
> Here, you're setting the text attributes to the same column of the 
> list store. It should be:
>
> test_col [0] = gtk_tree_view_column_new_with_attributes ( "test0", 
> renderer, "text", 0, NULL );
> test_col [1] = gtk_tree_view_column_new_with_attributes ( "test1", 
> renderer, "text", 1, NULL );
>
> so that the first column of the GtkTreeView will show the text from 
> the first column of the GtkListStore, and the second column of the 
> GtkTreeView will show the text from the second column of the 
> GtkListStore.
>
> > gtk_tree_view_append_column ( target, test_col[0] );
> >     gtk_tree_view_append_column ( target, test_col[1] );
> >
> >     GType string_type = G_TYPE_STRING;
> >     GtkTreeIter current;
> >     GType *types = g_malloc (sizeof (GType) * 2);
> >     types [0] = G_TYPE_STRING;
> >     types [1] = G_TYPE_STRING;
> >     GtkListStore *list = gtk_list_store_newv (2, types);
> >     gtk_list_store_append ( list, &current );
> >     gtk_list_store_set ( list, &current, 0, "test00", -1 );
> >     gtk_list_store_set ( list, &current, 1, "test01", -1 );
> >     gtk_list_store_append ( list, &current );
> >     gtk_list_store_set ( list, &current, 0, "test10", -1 );
> >     gtk_list_store_set ( list, &current, 1, "test11", -1 );
> >
> >     gtk_tree_view_set_model ( GTK_TREE_VIEW ( target ) , 
> > GTK_TREE_MODEL ( list )) ;
> >
> > I made the GUI in Glade.
> >
> > gtk_list_store_set ( list, &current, 0, "test00", -1 ); was 
> > previously gtk_list_store_set ( list, &current, 0, "test00", 1, 
> > "test01", -1 ); and gtk_list_store_set ( list, &current, 1, "test01", 
> > -1 ); didn't exist.

Thank you! I didn't understand what that argument did.