static int error (Display *dpy, XErrorEvent *ev)
{
int o;
const char* name = NULL;
static char buffer[256];
if (should_ignore (dpy, ev->serial))
return 0;
if (ev->request_code == composite_opcode && ev->minor_code == X_CompositeRedirectSubwindows)
{
fprintf (stderr, "Another composite manager is already running\n");
exit (1);
}
o = ev->error_code - xfixes_error;
switch (o) {
case BadRegion: name = "BadRegion"; break;
default: break;
}
o = ev->error_code - damage_error;
switch (o) {
case BadDamage: name = "BadDamage"; break;
default: break;
}
o = ev->error_code - render_error;
switch (o) {
case BadPictFormat: name ="BadPictFormat"; break;
case BadPicture: name ="BadPicture"; break;
case BadPictOp: name ="BadPictOp"; break;
case BadGlyphSet: name ="BadGlyphSet"; break;
case BadGlyph: name ="BadGlyph"; break;
default: break;
}
if (name == NULL)
{
buffer[0] = '\0';
XGetErrorText (dpy, ev->error_code, buffer, sizeof (buffer));
name = buffer;
}
fprintf (stderr, "error %d: %s request %d minor %d serial %lu\n",
ev->error_code, (strlen (name) > 0) ? name : "unknown",
ev->request_code, ev->minor_code, ev->serial);
/* abort (); this is just annoying to most people */
return 0;
}
// Handle scancode
static void handle_scancode(char scancode_8)
{
//printk(KERN_INFO "Got scancode %02x in handle_scancode.\n", scancode_8);
if (should_ignore(scancode_8))
return;
#ifdef DEBUG
to_tty_string("[simple_keyboard.c] Handling scancode.\n\r");
#endif
// save last scancode
keyboard_status.last_scancode = keyboard_status.current_scancode;
// update press status
keyboard_status.press = is_press(scancode_8);
// update current scancode
char scancode_7 = get_scancode_7(scancode_8);
keyboard_status.current_scancode = scancode_7;
// update control scancode
if (scancode_7 == SCAN_CAP && keyboard_status.press)
{
#ifdef DEBUG
to_tty_string("[simple_keyboard.c] CAPSLOCK.\n\r");
#endif
keyboard_status.caps = !keyboard_status.caps;
}
if (scancode_7 == SCAN_ALT_L || scancode_7 == SCAN_ALT_R)
{
#ifdef DEBUG
to_tty_string("[simple_keyboard.c] ALT.\n\r");
#endif
if (keyboard_status.press)
keyboard_status.alt = true;
else
keyboard_status.alt = false;
return;
}
if (scancode_7 == SCAN_CTRL_L || scancode_7 == SCAN_CTRL_R)
{
#ifdef DEBUG
to_tty_string("[simple_keyboard.c] CTLR.\n\r");
#endif
if (keyboard_status.press)
keyboard_status.ctrl = true;
else
keyboard_status.ctrl = false;
return;
}
if (scancode_7 == SCAN_SHIFT_L || scancode_7 == SCAN_SHIFT_R)
{
#ifdef DEBUG
to_tty_string("[simple_keyboard.c] SHIFT.\n\r");
#endif
if (keyboard_status.press)
keyboard_status.shift = true;
else
keyboard_status.shift = false;
return;
}
#ifdef DEBUG
to_tty_string("[simple_keyboard.c] Normal Key.\n\r");
#endif
if (!keyboard_status.press)
return;
// update keycode
keyboard_status.current_ascii = scancode_to_ascii(scancode_7, keyboard_status.shift);
to_tty_char(keyboard_status.current_ascii);
}
