Re: how to display "busy" cursor ? and another question

[Han <keepsimple gmail com>]

Thanks Allin. I tried your example code and it somehow did not work
for me, i.e. the cursor does not show "watch".  However, I am running
my code on nokia maemo platform, which might impact the result.

besides, I have a question inline:


On Sat, Oct 4, 2008 at 12:13 PM, Allin Cottrell <cottrell wfu edu> wrote:
> On Sat, 4 Oct 2008, Han wrote:
>
>> I have a couple of questions when learning to program GTK+ :
>>
>> 1) How can I display a "busy" cursor to users ?  The reason is that I
>> need to perform a task and cannot response to users for a few seconds.
>
> Something like this, maybe:
>
> void busy_stuff ()
> {
>    GdkDisplay *display;
>    GdkCursor *cursor;
>    GdkWindow *window;
>    gint x, y;
>
>    cursor = gdk_cursor_new(GDK_WATCH);
>
>    display = gdk_display_get_default();
>    window = gdk_display_get_window_at_pointer(disp, &x, &y);
>
>    gdk_window_set_cursor(window, cursor);
>    gdk_display_sync(display);
>    gdk_cursor_unref(cursor);

[Han]  why do we call gdk_cursor_unref here ?

thanks.

>
>    /* do time-consuming stuff here */
>
>    gdk_window_set_cursor(window, NULL);
> }
>
> (Sorry, I pass on question 2.)
>
> Allin Cottrell
>