combobox.c

来自「开发linux应用-用gtk+和gdk开发linux图形用户界面应用－－的实例」· C语言 代码 · 共 47 行

//
// File: combobox.c
// Auth: Eric Harlow
// 
// Routine to put up a font combobox.
//

#include <gtk/gtk.h>

//
// CreateCombobox
//
// Create a drop down combobox with a few items in it.
//
GtkWidget *CreateCombobox ()
{
    GList *cbitems = NULL;
    GtkWidget *combo;

    // 
    // --- Create a list of the items first
    // 
    cbitems = g_list_append (cbitems, "Arial");
    cbitems = g_list_append (cbitems, "Times Roman");
    cbitems = g_list_append (cbitems, "Wing Dings");
    cbitems = g_list_append (cbitems, "Sandscript");

    // --- Make a combo box.
    combo = gtk_combo_new ();

    // --- Create the drop down portion of the combo
    gtk_combo_set_popdown_strings (GTK_COMBO(combo), cbitems);

    // --- Default the text in the field to a value
    gtk_entry_set_text (GTK_ENTRY (GTK_COMBO(combo)->entry), "Arial");

    // --- Make the edit portion non-editable.  They can pick a 
    //     value from the drop down, they just can't end up with
    //     a value that's not in the drop down.
    gtk_entry_set_editable (GTK_ENTRY (GTK_COMBO (combo)->entry), FALSE);

    // --- Make it visible
    gtk_widget_show (combo);

    return (combo);
}