On Fri, Feb 05, 2010 at 06:47:31PM +0900, Bokyun Na wrote:
> I appreciate for your attention on my problem.
> I think we have a little bit different point of view on this problem.
>
> I want to make a callback function on several buttons or even on drawing
> areas.
> For example, when I clicked a button, A, this callback function knows that
> button A is clicked and
> When button B is clicked the callback function knows that B is clicked.
> That is,
>
> void on_window_partition (GtkWidget *widget, dm_t *dm)
> {
> if (button A is clicked) then printf("button A is clicked");
> else if (button B is clicked) then printf ("button B is clicked");
> ...
> }
>
> Of course, you can say every callback function for every button. But I
> should take only one callback function for several buttons to detect which a
> button is clicked.
IMO this was explained in the first answer but anyway. You get the
button that was clicked as the first argument (GtkWidget *widget above).
This is THE ultimate identification as you have the object. For
instance, to get the corresponding drawing area you put inside just use
gtk_bin_get_child(widget).
Anyway, if you want some kind of names (and please consider if you
really do because it seems you are trying do something unnecessarily
convoluted) you can do
g_object_set_data(G_OBJECT(button), "id", "A");
...
g_object_set_data(G_OBJECT(button), "id", "B");
...
when you construct the buttons and then do
g_print("Button %s was pressed.\n", g_object_get_data(G_OBJECT(widget), "id"));
in the callback.
Yeti
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