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Allow env disabling of the keyboard. Show keyboard after short delay to avoid flickers

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This commit is contained in:
Brad Davis 2016-06-08 10:41:19 -07:00
parent 79c68b2ecb
commit 40778d7f29
1 changed files with 47 additions and 17 deletions
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64
plugins/openvr/src/OpenVrHelpers.cpp
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@ -99,19 +99,33 @@ static char textArray[8192];
static QMetaObject::Connection _focusConnection, _focusTextConnection;
extern bool _openVrDisplayActive;
static vr::IVROverlay* _overlay { nullptr };
static QObject* _focusObject { nullptr };
static QObject* _keyboardFocusObject { nullptr };
static QString _existingText;
static Qt::InputMethodHints _currentHints;
extern vr::TrackedDevicePose_t _trackedDevicePose[vr::k_unMaxTrackedDeviceCount];
static bool _keyboardShown { false };
static const uint32_t SHOW_KEYBOARD_DELAY_MS = 100;
void showOpenVrKeyboard(bool show = true) {
if (_overlay) {
if (show) {
auto offscreenUi = DependencyManager::get<OffscreenUi>();
_focusObject = offscreenUi->getWindow()->focusObject();
if (!_overlay) {
return;
}
QInputMethodQueryEvent query(Qt::ImQueryInput | Qt::ImHints);
qApp->sendEvent(_focusObject, &query);
if (show) {
// To avoid flickering the keyboard when a text element is only briefly selected,
// show the keyboard asynchrnously after a very short delay, but only after we check
// that the current focus object is still one that is text enabled
QTimer::singleShot(SHOW_KEYBOARD_DELAY_MS, [] {
auto offscreenUi = DependencyManager::get<OffscreenUi>();
auto currentFocus = offscreenUi->getWindow()->focusObject();
QInputMethodQueryEvent query(Qt::ImEnabled | Qt::ImQueryInput | Qt::ImHints);
qApp->sendEvent(currentFocus, &query);
// Current focus isn't text enabled, bail early.
if (!query.value(Qt::ImEnabled).toBool()) {
return;
}
// We're going to show the keyboard now...
_keyboardFocusObject = currentFocus;
_currentHints = Qt::InputMethodHints(query.value(Qt::ImHints).toUInt());
vr::EGamepadTextInputMode inputMode = vr::k_EGamepadTextInputModeNormal;
if (_currentHints & Qt::ImhHiddenText) {
@ -123,17 +137,24 @@ void showOpenVrKeyboard(bool show = true) {
}
_existingText = query.value(Qt::ImSurroundingText).toString();
auto showKeyboardResult = _overlay->ShowKeyboard(inputMode, lineMode, "Keyboard", 1024,
auto showKeyboardResult = _overlay->ShowKeyboard(inputMode, lineMode, "Keyboard", 1024,
_existingText.toLocal8Bit().toStdString().c_str(), false, 0);
mat4 headPose = toGlm(_trackedDevicePose[0].mDeviceToAbsoluteTracking);
mat4 keyboardTransform = glm::translate(headPose, vec3(0, -0.5, -1));
keyboardTransform = keyboardTransform * glm::rotate(mat4(), 3.14159f / 4.0f, vec3(-1, 0, 0));
auto keyboardTransformVr = toOpenVr(keyboardTransform);
_overlay->SetKeyboardTransformAbsolute(vr::ETrackingUniverseOrigin::TrackingUniverseStanding, &keyboardTransformVr);
} else {
_focusObject = nullptr;
if (vr::VROverlayError_None == showKeyboardResult) {
_keyboardShown = true;
// Try to position the keyboard slightly below where the user is looking.
mat4 headPose = toGlm(_trackedDevicePose[0].mDeviceToAbsoluteTracking);
mat4 keyboardTransform = glm::translate(headPose, vec3(0, -0.5, -1));
keyboardTransform = keyboardTransform * glm::rotate(mat4(), 3.14159f / 4.0f, vec3(-1, 0, 0));
auto keyboardTransformVr = toOpenVr(keyboardTransform);
_overlay->SetKeyboardTransformAbsolute(vr::ETrackingUniverseOrigin::TrackingUniverseStanding, &keyboardTransformVr);
}
});
} else {
_keyboardFocusObject = nullptr;
if (_keyboardShown) {
_overlay->HideKeyboard();
_keyboardShown = false;
}
}
}
@ -147,7 +168,7 @@ void finishOpenVrKeyboardInput() {
// ImhDialableCharactersOnly ImhEmailCharactersOnly ImhUrlCharactersOnly ImhLatinOnly
QInputMethodEvent event(_existingText, QList<QInputMethodEvent::Attribute>());
event.setCommitString(newText, 0, _existingText.size());
qApp->sendEvent(_focusObject, &event);
qApp->sendEvent(_keyboardFocusObject, &event);
// Simulate an enter press on the top level window to trigger the action
if (0 == (_currentHints & Qt::ImhMultiLine)) {
qApp->sendEvent(offscreenUi->getWindow(), &QKeyEvent(QEvent::KeyPress, Qt::Key_Return, Qt::KeyboardModifiers(), QString("\n")));
@ -155,12 +176,18 @@ void finishOpenVrKeyboardInput() {
}
}
static const QString DEBUG_FLAG("HIFI_DISABLE_STEAM_VR_KEYBOARD");
bool disableSteamVrKeyboard = QProcessEnvironment::systemEnvironment().contains(DEBUG_FLAG);
void enableOpenVrKeyboard() {
if (disableSteamVrKeyboard) {
return;
}
auto offscreenUi = DependencyManager::get<OffscreenUi>();
_overlay = vr::VROverlay();
_focusConnection = QObject::connect(offscreenUi->getWindow(), &QQuickWindow::focusObjectChanged, [](QObject* object) {
if (object != _focusObject && _overlay) {
if (object != _keyboardFocusObject) {
showOpenVrKeyboard(false);
}
});
@ -174,6 +201,9 @@ void enableOpenVrKeyboard() {
void disableOpenVrKeyboard() {
if (disableSteamVrKeyboard) {
return;
}
QObject::disconnect(_focusTextConnection);
QObject::disconnect(_focusConnection);
}