Odd, you seem to be getting 0 for both the Ctrl key and letter-C key.
If the keyboard works and you can use it for other applications, then
keypresscallback
really should return non-zero character code values.
I don't know pygtk, but if there are other keyboard input calls like sscanf in
C, then experiment with these and see what you get.
If you know C/C++ and GCC you could try the following to inspect the keyvals:
// main.cpp
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
static gboolean keypresscallback ( GtkWidget * w,
GdkEventKey *event,
char * data )
{
printf ( " key PRESS val=%x state=%x\n" , event->keyval , event->state ) ;
return false;
}
int main ( int argc , char * argv[] )
{
gtk_init(&argc, &argv);
GtkWidget * window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 300 , 200);
gtk_window_set_title(GTK_WINDOW(window), "Test Window");
gtk_widget_add_events (window, GDK_KEY_PRESS_MASK );
g_signal_connect ( window, "key-press-event",
G_CALLBACK (keypresscallback), NULL ) ;
gtk_widget_show_all(window);
gtk_main();
}
Also, could you use another standard western-european keyboard to see if it
behaves differently?
--- On Sun, 31/1/10, Yann Leboulanger <[email protected]> wrote:
From: Yann Leboulanger <[email protected]>
Subject: Re: detect ctrl+c in key_press_event handler
To: [email protected]
Date: Sunday, 31 January, 2010, 5:02 PM
Ken Resander wrote:
> I am in nearly unknown territory, since mostly I have been in the ASCII world
> with chars from a to z.
>
> Could you check the event.keyval for character 'C' on your keyboard and see
> what character code is returned. Use printf to view the value. Then use this
> value in the comparison instead of 'C'. Please let me know if it works ( I
> want to know too!).
>
> Ken
It returns 0.
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