Re: Can't get text from entry

[shakti <shprasad novell com>]

Hi,

This piece of code gave segfault to me.
Make the changes:


César Leonardo Blum Silveira wrote:

> Why doesn't the following piece of code work?
>
> #include <gtk/gtk.h>
>
> char *string=NULL;
>
> void combo_change(GtkWidget *widget, gpointer data)
> {
>    gchar *selected;
>
>    selected = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(widget)->entry));


selected = gtk_entry_get_text (GTK_ENTRY (widget));

>    strcpy(string, selected);


memory allocation is not done for string.

>    printf("%s\n",string);


Comment it out and put printf ("%s\n", selected);


> }
>
> int main(int argc, char *argv[])
> {
>    GtkWidget *window;
>    GtkWidget *combo;
>    GList *opt;

GList *opt = NULL;

>    gtk_init(&argc, &argv);
>
>    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
>      combo = gtk_combo_new();
>    opt = g_list_append(opt, "string 1");
>    opt = g_list_append(opt, "string2");
>    gtk_combo_set_popdown_strings(GTK_COMBO(combo),opt);
>
>    
> g_signal_connect(G_OBJECT(GTK_COMBO(combo)->entry),"activated",G_CALLBACK(combo_change),NULL); 

g_signal_connect (G_OBJECT (GTK_COMBO (combo)->entry), "changed", 
G_CALLBACK (combo_change), NULL);

It will work.

Thanks,
Shakti