void
CKeyState::fakeKeyEvents(const Keystrokes& keys, UInt32 count)
{
// do nothing if no keys or no repeats
if (count == 0 || keys.empty()) {
return;
}
// generate key events
LOG((CLOG_DEBUG2 "keystrokes:"));
for (Keystrokes::const_iterator k = keys.begin(); k != keys.end(); ) {
if (k->m_repeat) {
// repeat from here up to but not including the next key
// with m_repeat == false count times.
Keystrokes::const_iterator start = k;
while (count-- > 0) {
// send repeating events
for (k = start; k != keys.end() && k->m_repeat; ++k) {
fakeKeyEvent(k->m_key, k->m_press, true);
}
}
// note -- k is now on the first non-repeat key after the
// repeat keys, exactly where we'd like to continue from.
}
else {
// send event
fakeKeyEvent(k->m_key, k->m_press, false);
// next key
++k;
}
}
}
void
CKeyState::fakeKeyRepeat(
KeyID id, KeyModifierMask mask,
SInt32 count, KeyButton button)
{
button &= kButtonMask;
// if we haven't seen this button go down then ignore it
KeyButton oldLocalID = m_serverKeyMap[button];
if (oldLocalID == 0) {
return;
}
// get the sequence of keys to simulate key repeat and the final
// modifier state.
Keystrokes keys;
KeyButton localID = (KeyButton)(mapKey(keys, id, mask, true) & kButtonMask);
if (localID == 0) {
LOG((CLOG_DEBUG2 "cannot map key 0x%08x", id));
return;
}
if (keys.empty()) {
// do nothing if there are no associated keys
return;
}
// if the keycode for the auto-repeat is not the same as for the
// initial press then mark the initial key as released and the new
// key as pressed. this can happen when we auto-repeat after a
// dead key. for example, a dead accent followed by 'a' will
// generate an 'a with accent' followed by a repeating 'a'. the
// keycodes for the two keysyms might be different.
if (localID != oldLocalID) {
// replace key up with previous key id but leave key down
// alone so it uses the new keycode.
for (Keystrokes::iterator index = keys.begin();
index != keys.end(); ++index) {
if (index->m_key == localID) {
index->m_key = oldLocalID;
break;
}
}
// note that old key is now up
m_keys[oldLocalID] &= ~kDown;
// map server key to new key
m_serverKeyMap[button] = localID;
// note that new key is now down
m_keys[localID] |= kDown;
}
// generate key events
fakeKeyEvents(keys, count);
}
void
CKeyState::fakeKeyDown(KeyID id, KeyModifierMask mask, KeyButton button)
{
// get the sequence of keys to simulate key press and the final
// modifier state.
Keystrokes keys;
KeyButton localID =
(KeyButton)(mapKey(keys, id, mask, false) & kButtonMask);
if (keys.empty()) {
// do nothing if there are no associated keys
LOG((CLOG_DEBUG2 "cannot map key 0x%08x", id));
return;
}
// generate key events
fakeKeyEvents(keys, 1);
// note that key is down
updateKeyState((KeyButton)(button & kButtonMask), localID, true, true);
}