void
CKeyState::updateKeyState()
{
// reset our state
memset(&m_keys, 0, sizeof(m_keys));
memset(&m_syntheticKeys, 0, sizeof(m_syntheticKeys));
memset(&m_keyClientData, 0, sizeof(m_keyClientData));
memset(&m_serverKeys, 0, sizeof(m_serverKeys));
m_activeModifiers.clear();
// get the current keyboard state
KeyButtonSet keysDown;
pollPressedKeys(keysDown);
for (KeyButtonSet::const_iterator i = keysDown.begin();
i != keysDown.end(); ++i) {
m_keys[*i] = 1;
}
// get the current modifier state
m_mask = pollActiveModifiers();
// set active modifiers
CAddActiveModifierContext addModifierContext(pollActiveGroup(), m_mask,
m_activeModifiers);
m_keyMap.foreachKey(&CKeyState::addActiveModifierCB, &addModifierContext);
LOG((CLOG_DEBUG1 "modifiers on update: 0x%04x", m_mask));
}
void
XWindowsKeyState::pollPressedKeys(KeyButtonSet& pressedKeys) const
{
char keys[32];
XQueryKeymap(m_display, keys);
for (UInt32 i = 0; i < 32; ++i) {
for (UInt32 j = 0; j < 8; ++j) {
if ((keys[i] & (1u << j)) != 0) {
pressedKeys.insert(8 * i + j);
}
}
}
}
void
CMSWindowsKeyState::pollPressedKeys(KeyButtonSet& pressedKeys) const
{
BYTE keyState[256];
if (!GetKeyboardState(keyState)) {
LOG((CLOG_ERR "GetKeyboardState returned false on pollPressedKeys"));
return;
}
for (KeyButton i = 1; i < 256; ++i) {
if ((keyState[i] & 0x80) != 0) {
pressedKeys.insert(i);
}
}
}
void
OSXKeyState::pollPressedKeys(KeyButtonSet& pressedKeys) const
{
::KeyMap km;
GetKeys(km);
const UInt8* m = reinterpret_cast<const UInt8*>(km);
for (UInt32 i = 0; i < 16; ++i) {
for (UInt32 j = 0; j < 8; ++j) {
if ((m[i] & (1u << j)) != 0) {
pressedKeys.insert(mapVirtualKeyToKeyButton(8 * i + j));
}
}
}
}