Re: Question about windows in gtk+

[Jan Böhm <jan boehm ifp uni-stuttgart de>]

Oliver Buecker wrote:
> Hello
> I'm a studen from Germany.
>
> I programmed a user-interface with the GtkWindow struct.
> Now I have to change the icon and the backgroundcolor of
> my user-interface.
>
> I looked for it, and found the funktion "gdk_window_set_icon" and
> "gdk_window_set_background", but therefore I need the
> GdkWindow struct. But after I implemented it I could not add a
> table anymore "gtk_container_add (GTK_CONTAINER (Window), table);"
>
> Can you tell me either how I can set the icon of the window, or how to
> add a gtk-table on a GdkWindow.

I am not quite shure if I fully understand the problem. But it seems you already had a working implementation 
based on a GtkWindow (which is a GtkWidget). Now you need a GdkWindow? From the GtkWidget you can access the 
component "window" which points to a GdkWindow. See the definition of GtkWidget in gtkwidget.h:
struct _GtkWidget
{
...   
  /* The widgets window or its parent window if it does
   *  not have a window. (Which will be indicated by the
   *  GTK_NO_WINDOW flag being set).
   */
  GdkWindow *window;
...
};

so for example:

GtkWidget* window;
...
window->window; /* gives a GdkWindow which can be used in gdk calls such as:/*
pixmap = gdk_pixmap_create_from_xpm( window->window,
                                     NULL,
                                     &style->bg[GTK_STATE_NORMAL],
                                     "test.xpm" );

Did I get your question at all?

Jan
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