Re: how to navigate from one window to another in gtk.

["Anupama Chandwani" <anupama chandwani gmail com>]

Hi Sameer,

On 9/19/06, sameer tandra <sameer tandra gmail com> wrote:
> Hi
>
>    I am developing a reservation application in gtk under linux which
> consists of 10 transaction forms.
>
> I have expirementing with  two forms in which i am navigating from one form
> to another with a click event.
> In compilation itself i am getting many errors.I am not able to resolve.
>
>           Kindly give me help.
>
> Here i am attaching the program which i have done and the errors i am
> getting.
>
>
>
> #include<gtk/gtk.h>
>
> #include<glib.h>
>
> #include<stdio.h>
>
> #include<string.h>
>
> gint destroyapp (GtkWidget *widget, gpointer gdata)
> {
>
> g_print ("Quitting...\n");
>
> gtk_main_quit();
>
> return (FALSE);
>
> }
>
>
>
>
>
> int button_clicked(GtkWidget *widget, gpointer gdata)
>
> {
>
> gtk_main_quit();

If u do this here your gtk will get quit.. So comment it out

> int main(int argc,char *argv[])

????? you can write the new window functionality in the button_clicked
function itself, you dont need a "main"

> {
>
> GtkWidget *window,*label,*box,*separator,*exit_btn;
>
> gtk_init(&argc,&argv);

Your gtk is already initialised, it should not be called again in this
new window creation
> window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
>
>
>
> Gtk_Widget_show(window);

Capital G & W??? its gtk_window_show();
> box=gtk_vbox_new(FALSE,10);
>
> label=gtk_label_new("gtk");
>
> separator=gtk_hseparator_new();
>
> exit_btn=gtk_button_new_with_label("exit");
>
> Gtk_Widget_show(label);
>
> Gtk_Widget_show(box);
>
> Gtk_Widget_show(separator);
>
> Gtk_Widget_show(exit_btn);
>
> Gtk_main();

No capital albhabets anywhere!!!

> return 0;
>
> }
>
> }
>
> int main (int argc, char *argv[])
>
> {
>
>
>
> GtkWidget *window;
>
> GtkWidget *button;
>
> gtk_init (&argc, &argv);
>
> window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
>
> button = gtk_button_new_with_label("Click Me");
>
> gtk_signal_connect(GTK_OBJECT(window), "delete_event",
> GTK_SIGNAL_FUNC(destroyapp), NULL);
>
> gtk_signal_connect(GTK_OBJECT(button), "clicked",
> GTK_SIGNAL_FUNC(button_clicked), NULL);
>
> gtk_container_add(GTK_CONTAINER (window), button);
>
> gtk_container_border_width (GTK_CONTAINER (window), 15);
>
> gtk_widget_show(button);
>
> gtk_widget_show(window);
> gtk_main();
>
> return 0;
>
> }
>
> The errors are as follows:
>
> /tmp/cclYSbJO.o(.text+0x55): In function `main.0':
> : undefined reference to `Gtk_Widget_show'
>
> /tmp/cclYSbJO.o(.text+0xa3): In function `main.0':
> : undefined reference to `Gtk_Widget_show'
>
> /tmp/cclYSbJO.o(.text+0xb1): In function `main.0':
> : undefined reference to `Gtk_Widget_show'
>
> /tmp/cclYSbJO.o(.text+0xbf): In function `main.0':
> : undefined reference to `Gtk_Widget_show'
>
> /tmp/cclYSbJO.o(.text+0xcd): In function `main.0':
> : undefined reference to `Gtk_Widget_show'
>
> /tmp/cclYSbJO.o(.text+0xd5): In function `main.0':
> : undefined reference to `Gtk_main'
>
> collect2: ld returned 1 exit status.

These errors were because you were trying to call functions that didnt exist.
Read up gtk & its functions from here
http://developer.gnome.org/doc/API/2.0/gtk/index.html
It might be useful

--
Anupama Chandwani

Celunite Soft Technologies
3rd Floor, Business Avenue
Koregaon Park
Pune, MS 411001
INDIA