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On Wed, Dec 13, 2006 at 12:43:00PM +0530, Prasad Achar wrote:
> Hi
>
> I have a situation where in have to catch 2 different callbacks on 2
> different events from single fuction.
>
> Then how can i manage the below function..
>
> whether i have to add one more gpointer func_data1 ?
>
>
> gint gtk_signal_connect( GtkObject *object,
> gchar *name,
> GtkSignalFunc func,
> gpointer func_data );
>
Quite probably you are not being called from *both* places *at the same
time* ;-)
So when you are being called from place A you point with func_data to
func_data, else you point to func_data1. Now you just have to
differentiate both cases whithin your callback. May be a struct member
in the struct pointed to by func_data is all is needed.
E.g.:
| typedef struct func_data { /* generic */
| int whence; /* 0 for A, 1 for B; better use enum! */
| union {
| struct {
| blah blah
| } A;
| struct {
| bloh bloh
| } B;
| } stuff;
| } fundata;
Then on place A:
| fundata *f1 = g_new(fundata, 1);
| f1->whence = 0; /* called from A */
| f1->stuff.A.foo = 2;
| ...
| gtk_signal_connect(obj, "foobar from A", fun, f1);
Likewise on place B
HTH
- -- tomás
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