Re: scrollbar once again

[Ronald Bultje <rbultje ronald bitfreak net>]

Hello,

On 2001.05.08 20:53:10 +0200 Havoc Pennington wrote:
> 
> Ronald Bultje <rbultje ronald bitfreak net> writes:
> > 1) if I close the Gtk-app, control doesn't return to the terminal, so
> it
> > locks somewhere - how do I find out where?
> 
> Do you gtk_main_quit() to exit gtk_main()?

yes

> To find out where, just run 'gdb myapp', then after closing the app, 
> hit Ctrl-C and type "backtrace"

Program received signal SIGINT, Interrupt.
[Switching to Thread 1024 (LWP 11053)]
0x403a3b97 in __poll (fds=0x807c678, nfds=2, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:63
63	../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
(gdb) bt
#0  0x403a3b97 in __poll (fds=0x807c678, nfds=2, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:63
#1  0x401a3c58 in g_main_poll (timeout=-1, use_priority=0, priority=0)
    at gmain.c:1034
#2  0x401a3641 in g_main_iterate (block=1, dispatch=1) at gmain.c:808
#3  0x401a39cc in g_main_run (loop=0x807c778) at gmain.c:935
#4  0x400b9043 in gtk_main () from /usr/lib/libgtk-1.2.so.0
#5  0x804d1dd in main (argc=1, argv=0xbffff9bc) at test.c:86
#6  0x402e6f31 in __libc_start_main (main=0x804cf6c <main>, argc=1, 
    ubp_av=0xbffff9bc, init=0x80490c0 <_init>, fini=0x804d22c <_fini>, 
    rtld_fini=0x4000e274 <_dl_fini>, stack_end=0xbffff9b4)
    at ../sysdeps/generic/libc-start.c:129

Doesn't look familiar to me, I'm affraid :-\

> > 2) I cannot grab the keyboard keys (I tried
> > gtk_signal_connect(GTK_WIDGET(enhanced_slider), "key_press_event",
> > (GtkSignalFunc)gtk_enhanced_scale_key_press, NULL);, but that didn't
> work)
> 
> You need to handle focus with handlers like this:
> 
[...code...]
> 
> Also, probably when you get a button press you want to
> gtk_grab_focus().

I inserted the code. Doesn't work either.....:-\
The widget receives the focus_in_event and will trigger the function. But
still no keygrabs....

But the keys aren't that important, really, if it just closes when I close
it I'd be very happy.

Ronald

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