c - Wrap GtkComboBox column-wise instead of row-wise -


i'm having trouble wrap gtkcombobox large number of alphabetically sorted entries column-wise instead of row-wise.

please have @ following minimal working example , attached screenshot idea of i'm trying achieve. focal point of code function gtk_combo_box_set_wrap_width wraps gtkcombobox table (see gtk3 api reference).

#include <gtk/gtk.h>  int main(int argc, char *argv[])  {     gtkwidget *window;     gtkwidget *combobox;      gtk_init(&argc,&argv);      window = gtk_window_new(gtk_window_toplevel);     gtk_container_set_border_width(gtk_container(window), 10 );     gtk_window_set_default_size(gtk_window(window), 100, 50);      combobox = gtk_combo_box_text_new();     gtk_combo_box_text_append(gtk_combo_box_text(combobox), null, "a" );     gtk_combo_box_text_append(gtk_combo_box_text(combobox), null, "b" );     gtk_combo_box_text_append(gtk_combo_box_text(combobox), null, "c" );     gtk_combo_box_text_append(gtk_combo_box_text(combobox), null, "d" );      gtk_combo_box_set_wrap_width (gtk_combo_box(combobox), 2);      gtk_container_add(gtk_container(window), combobox);      gtk_widget_show_all(window);     gtk_main();      return(0); }

this gives me following output:

row-wise wrap

as can see, entries wrapped row-wise, i.e. read left right.

is there convenient way wrap elements column-wise without re-sorting them accordingly?

column-wise wrap


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