static gint
keyboard_event_handler(GtkWidget *mk, GdkEventKey *event, gpointer ignored)
{
int note;
char *key;
guint keyval;
GdkKeymapKey kk;
PianoKeyboard *pk = PIANO_KEYBOARD(mk);
(void) ignored;
/* We're not using event->keyval, because we need keyval with level set to 0.
E.g. if user holds Shift and presses '7', we want to get a '7', not '&'. */
kk.keycode = event->hardware_keycode;
kk.level = 0;
kk.group = 0;
keyval = gdk_keymap_lookup_key(NULL, &kk);
key = gdk_keyval_name(gdk_keyval_to_lower(keyval));
if (key == NULL) {
g_message("gtk_keyval_name() returned NULL; please report this.");
return FALSE;
}
note = key_binding(pk, key);
if (note < 0) {
/* Key was not bound. Maybe it's one of the keys handled in jack-keyboard.c. */
return FALSE;
}
if (note == 128) {
if (event->type == GDK_KEY_RELEASE) {
rest (pk);
}
return TRUE;
}
note += pk->octave * 12;
assert(note >= 0);
assert(note < NNOTES);
if (event->type == GDK_KEY_PRESS) {
press_key(pk, note);
} else if (event->type == GDK_KEY_RELEASE) {
release_key(pk, note);
}
return TRUE;
}
static VALUE
rg_lookup_key(VALUE self, VALUE keycode, VALUE group, VALUE level)
{
GdkKeymapKey key;
key.keycode = NUM2UINT(keycode);
key.group = NUM2INT(group);
key.level = NUM2INT(level);
return INT2NUM(gdk_keymap_lookup_key(_SELF(self), &key));
}
/* static */ PRUint32
KeymapWrapper::ComputeDOMKeyCode(const GdkEventKey* aGdkKeyEvent)
{
guint keyval = aGdkKeyEvent->keyval;
// First, try to handle alphanumeric input, not listed in nsKeycodes:
// most likely, more letters will be getting typed in than things in
// the key list, so we will look through these first.
// since X has different key symbols for upper and lowercase letters and
// mozilla does not, convert gdk's to mozilla's
if (keyval >= GDK_a && keyval <= GDK_z) {
return keyval - GDK_a + NS_VK_A;
}
if (keyval >= GDK_A && keyval <= GDK_Z) {
return keyval - GDK_A + NS_VK_A;
}
// numbers
if (keyval >= GDK_0 && keyval <= GDK_9) {
return keyval - GDK_0 + NS_VK_0;
}
// keypad numbers
if (keyval >= GDK_KP_0 && keyval <= GDK_KP_9) {
return keyval - GDK_KP_0 + NS_VK_NUMPAD0;
}
// If the keyval indicates it's a modifier key, we should use unshifted
// key's modifier keyval.
if (GetModifierForGDKKeyval(keyval)) {
KeymapWrapper* keymapWrapper = GetInstance();
GdkKeymapKey key;
key.keycode = aGdkKeyEvent->hardware_keycode;
key.group = aGdkKeyEvent->group;
key.level = 0;
guint unshiftedKeyval =
gdk_keymap_lookup_key(keymapWrapper->mGdkKeymap, &key);
// But if the unshifted keyval isn't a modifier key, we shouldn't use
// it. E.g., Japanese keyboard layout's Shift + Eisu-Toggle key is
// CapsLock. This is an actual rare case, Windows uses different
// keycode for a physical key for different shift key state.
if (GetModifierForGDKKeyval(unshiftedKeyval)) {
keyval = unshiftedKeyval;
}
}
// map Sun Keyboard special keysyms
for (PRUint32 i = 0; i < ArrayLength(kSunKeyPairs); i++) {
if (kSunKeyPairs[i].GDKKeyval == keyval) {
return kSunKeyPairs[i].DOMKeyCode;
}
}
// misc other things
for (PRUint32 i = 0; i < ArrayLength(kKeyPairs); i++) {
if (kKeyPairs[i].GDKKeyval == keyval) {
return kKeyPairs[i].DOMKeyCode;
}
}
// function keys
if (keyval >= GDK_F1 && keyval <= GDK_F24) {
return keyval - GDK_F1 + NS_VK_F1;
}
return 0;
}
