nanogui: compile & run nanoGUI application with nano-X


Previous by date: 26 Sep 2006 11:59:11 +0100 Re: USB Mouse Support on Embedded Device, NaveenYadav
Next by date: 26 Sep 2006 11:59:11 +0100 Re: compile & run nanoGUI application with nano-X, celeber2
Previous in thread:
Next in thread: 26 Sep 2006 11:59:11 +0100 Re: compile & run nanoGUI application with nano-X, celeber2

Subject: compile & run nanoGUI application with nano-X
From: "Amit Srivastava" ####@####.####
Date: 26 Sep 2006 11:59:11 +0100
Message-Id: <7c78d1450609260358l269afe74t1f6f956922a4d0d6@mail.gmail.com>

hello!
i am novice in this field.
tell me in detail about how to use nanoGTK with nanoX?
how to compile an nanoGTK appication?please tell me along with
an example eg:hello world program using nanoGTK along with nano-X
not on X11.

suppose we are taking an helloWorld.c-

#include <gtk/gtk.h>

/* This is a callback function. The data arguments are ignored
 * in this example. More on callbacks below. */
static void hello( GtkWidget *widget,
                   gpointer   data )
{
    g_print ("Hello World\n");
}

static gboolean delete_event( GtkWidget *widget,
                              GdkEvent  *event,
                              gpointer   data )
{
    /* If you return FALSE in the "delete_event" signal handler,
     * GTK will emit the "destroy" signal. Returning TRUE means
     * you don't want the window to be destroyed.
     * This is useful for popping up 'are you sure you want to quit?'
     * type dialogs. */

    g_print ("delete event occurred\n");

    /* Change TRUE to FALSE and the main window will be destroyed with
     * a "delete_event". */

    return TRUE;
}

/* Another callback */
static void destroy( GtkWidget *widget,
                     gpointer   data )
{
    gtk_main_quit ();
}

int main( int   argc,
          char *argv[] )
{
    /* GtkWidget is the storage type for widgets */
    GtkWidget *window;
    GtkWidget *button;

    /* This is called in all GTK applications. Arguments are parsed
     * from the command line and are returned to the application. */
    gtk_init (&argc, &argv);

    /* create a new window */
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

    /* When the window is given the "delete_event" signal (this is given
     * by the window manager, usually by the "close" option, or on the
     * titlebar), we ask it to call the delete_event () function
     * as defined above. The data passed to the callback
     * function is NULL and is ignored in the callback function. */
    g_signal_connect (G_OBJECT (window), "delete_event",
		      G_CALLBACK (delete_event), NULL);

    /* Here we connect the "destroy" event to a signal handler.
     * This event occurs when we call gtk_widget_destroy() on the window,
     * or if we return FALSE in the "delete_event" callback. */
    g_signal_connect (G_OBJECT (window), "destroy",
		      G_CALLBACK (destroy), NULL);

    /* Sets the border width of the window. */
    gtk_container_set_border_width (GTK_CONTAINER (window), 10);

    /* Creates a new button with the label "Hello World". */
    button = gtk_button_new_with_label ("Hello World");

    /* When the button receives the "clicked" signal, it will call the
     * function hello() passing it NULL as its argument.  The hello()
     * function is defined above. */
    g_signal_connect (G_OBJECT (button), "clicked",
		      G_CALLBACK (hello), NULL);

    /* This will cause the window to be destroyed by calling
     * gtk_widget_destroy(window) when "clicked".  Again, the destroy
     * signal could come from here, or the window manager. */
    g_signal_connect_swapped (G_OBJECT (button), "clicked",
			      G_CALLBACK (gtk_widget_destroy),
                              G_OBJECT (window));

    /* This packs the button into the window (a gtk container). */
    gtk_container_add (GTK_CONTAINER (window), button);

    /* The final step is to display this newly created widget. */
    gtk_widget_show (button);

    /* and the window */
    gtk_widget_show (window);

    /* All GTK applications must have a gtk_main(). Control ends here
     * and waits for an event to occur (like a key press or
     * mouse event). */
    gtk_main ();

    return 0;
}
should it compile it as -
gcc helloWorld.c -o helloWorld `pkg-config --cflags --libs gtk+-2.0`
?
and then run it with nano-X & sleep 1;./helloWorld
but when i do this helloWorld is running on X11 not on nano-X;as i
close nano-X server helloWorld is still there.

hope to hear u asap.

with regards
amit srivastava

Previous by date: 26 Sep 2006 11:59:11 +0100 Re: USB Mouse Support on Embedded Device, NaveenYadav
Next by date: 26 Sep 2006 11:59:11 +0100 Re: compile & run nanoGUI application with nano-X, celeber2
Previous in thread:
Next in thread: 26 Sep 2006 11:59:11 +0100 Re: compile & run nanoGUI application with nano-X, celeber2


Powered by ezmlm-browse 0.20.