Re: Gtk RC file - How to set bagkground pixmap to only one window?

[zentara <zentara1 sbcglobal net>]

On Mon, 8 Dec 2008 12:32:55 -0500
zentara <zentara1 sbcglobal net> wrote:

>On Mon, 8 Dec 2008 12:13:41 +0530
>"Harinandan S" <harinandans gmail com> wrote:
>
>>I want to set a background pixmap of only one window. I tried example rc
>>file but that sets background of all windows to the same image. I also tried
>>calling
>>gtk_widget_set_name (ui_home_window,"home window");
>
>>in my rc file. I also loaded the rc file but I'm not seeing any changes. I
>>was able to set the same pixmap to all windows but how to set it only for
>>one window?
>>
>>Regards,
>>Harinandan S
>
>See Tadej Borovšak's response to a similar question a few days ago,
>for a c example.
>
>I'm only good at Perl, and this is how you would do it in Perl.
>The mainwindow has the default pixmap theme, but the toplevel
>has a custom background image.

Time to try some c. :-)   Here is a c version of my Perl example.
----------------------- cut ------------------------------------------

#include <gtk/gtk.h>

/* exit callback */
gint delete_event( )
{
    gtk_main_quit ();
    return FALSE;
}

void callback( )
{
   GtkWidget *window1;
   GtkWidget *button1;
   GtkStyle *style;
   GdkPixbuf  *buf;
   GdkPixmap  *map = NULL;

    /* Create a new toplevel window */
    window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_widget_set_size_request (window1, 350, 350);
    gtk_container_set_border_width (GTK_CONTAINER (window1), 100);

    gtk_window_set_title (GTK_WINDOW (window1), "Custom Pixmap");

    g_signal_connect (G_OBJECT (window1), "delete_event",
		      G_CALLBACK (delete_event), NULL);

   buf = gdk_pixbuf_new_from_file( "test.png", NULL );
  /*gdk_pixbuf_render_pixmap_and_mask( buf, &map, &mask, 10 ); */
  /*gdk_window_shape_combine_mask( window->window, mask, 0, 0 );*/
  gtk_widget_set_app_paintable( window1, TRUE );

  gdk_pixbuf_render_pixmap_and_mask(buf, &map, NULL, 255);
  style = gtk_style_copy(gtk_widget_get_style(window1));
  style->bg_pixmap[GTK_STATE_NORMAL] = map;
  gtk_widget_set_style(window1, style);

 /* add a button */
     button1 = gtk_button_new_with_label ("Just for Looks");
     gtk_widget_set_size_request (button1, 50, 50);
     gtk_container_add (GTK_CONTAINER (window1), button1);
    
    gtk_widget_show (button1);
    gtk_widget_show (window1);
}


int main( int   argc,
          char *argv[] )
{
    GtkWidget *window;
    GtkWidget *button;
    GtkWidget *box1;

    gtk_init (&argc, &argv);
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title (GTK_WINDOW (window), "Pixmap themes overrides");
    g_signal_connect (G_OBJECT (window), "delete_event",
		      G_CALLBACK (delete_event), NULL);

    gtk_container_set_border_width (GTK_CONTAINER (window), 10);

    box1 = gtk_hbox_new (FALSE, 0);

    /* Put the box into the main window. */
    gtk_container_add (GTK_CONTAINER (window), box1);

    /* Creates a new button  */
    button = gtk_button_new_with_label ("Launch Toplevel");
    
    /* Now when the button is clicked, we call the "callback" function
     * with a pointer to "button 1" as its argument */
    g_signal_connect (G_OBJECT (button), "clicked",
		      G_CALLBACK (callback), (gpointer) NULL);

    /* Instead of gtk_container_add, we pack this button into the invisible
     * box, which has been packed into the window. */
    gtk_box_pack_start (GTK_BOX(box1), button, TRUE, TRUE, 0);

    gtk_widget_show (button);
    gtk_widget_show (box1);
    gtk_widget_show (window);
    
    gtk_main ();

    return 0;
}

------------------- cut ---------------------------------------------

zentara




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