diff options
Diffstat (limited to 'src/client/qwaylandinputcontext.cpp')
| -rw-r--r-- | src/client/qwaylandinputcontext.cpp | 546 |
1 files changed, 143 insertions, 403 deletions
diff --git a/src/client/qwaylandinputcontext.cpp b/src/client/qwaylandinputcontext.cpp index e9afe05ed..a38bb9a0a 100644 --- a/src/client/qwaylandinputcontext.cpp +++ b/src/client/qwaylandinputcontext.cpp @@ -1,393 +1,28 @@ -/**************************************************************************** -** -** Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWaylandClient module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qwaylandinputcontext_p.h" +#include <QLoggingCategory> #include <QtGui/QGuiApplication> #include <QtGui/QTextCharFormat> #include <QtGui/QWindow> -#include <QtGui/private/qguiapplication_p.h> -#include <QtGui/qpa/qplatformintegration.h> +#include <QtCore/QVarLengthArray> #include "qwaylanddisplay_p.h" #include "qwaylandinputdevice_p.h" -#include "qwaylandinputmethodeventbuilder_p.h" #include "qwaylandwindow_p.h" -QT_BEGIN_NAMESPACE - -Q_LOGGING_CATEGORY(qLcQpaInputMethods, "qt.qpa.input.methods") - -namespace QtWaylandClient { - -namespace { -const Qt::InputMethodQueries supportedQueries = Qt::ImEnabled | - Qt::ImSurroundingText | - Qt::ImCursorPosition | - Qt::ImAnchorPosition | - Qt::ImHints | - Qt::ImCursorRectangle | - Qt::ImPreferredLanguage; -} - -QWaylandTextInput::QWaylandTextInput(QWaylandDisplay *display, struct ::zwp_text_input_v2 *text_input) - : QtWayland::zwp_text_input_v2(text_input) - , m_display(display) -{ -} - -QWaylandTextInput::~QWaylandTextInput() -{ - if (m_resetCallback) - wl_callback_destroy(m_resetCallback); -} - -void QWaylandTextInput::reset() -{ - m_builder.reset(); - m_preeditCommit = QString(); - updateState(Qt::ImQueryAll, update_state_reset); -} - -void QWaylandTextInput::commit() -{ - if (QObject *o = QGuiApplication::focusObject()) { - QInputMethodEvent event; - event.setCommitString(m_preeditCommit); - QCoreApplication::sendEvent(o, &event); - } - - reset(); -} - -const wl_callback_listener QWaylandTextInput::callbackListener = { - QWaylandTextInput::resetCallback -}; - -void QWaylandTextInput::resetCallback(void *data, wl_callback *, uint32_t) -{ - QWaylandTextInput *self = static_cast<QWaylandTextInput*>(data); - - if (self->m_resetCallback) { - wl_callback_destroy(self->m_resetCallback); - self->m_resetCallback = nullptr; - } -} - -void QWaylandTextInput::updateState(Qt::InputMethodQueries queries, uint32_t flags) -{ - if (!QGuiApplication::focusObject()) - return; - - if (!QGuiApplication::focusWindow() || !QGuiApplication::focusWindow()->handle()) - return; - - auto *window = static_cast<QWaylandWindow *>(QGuiApplication::focusWindow()->handle()); - auto *surface = window->wlSurface(); - if (!surface || (surface != m_surface)) - return; - - queries &= supportedQueries; - - // Surrounding text, cursor and anchor positions are transferred together - if ((queries & Qt::ImSurroundingText) || (queries & Qt::ImCursorPosition) || (queries & Qt::ImAnchorPosition)) - queries |= Qt::ImSurroundingText | Qt::ImCursorPosition | Qt::ImAnchorPosition; - - QInputMethodQueryEvent event(queries); - QCoreApplication::sendEvent(QGuiApplication::focusObject(), &event); - - if ((queries & Qt::ImSurroundingText) || (queries & Qt::ImCursorPosition) || (queries & Qt::ImAnchorPosition)) { - QString text = event.value(Qt::ImSurroundingText).toString(); - int cursor = event.value(Qt::ImCursorPosition).toInt(); - int anchor = event.value(Qt::ImAnchorPosition).toInt(); - - // Make sure text is not too big - if (text.toUtf8().size() > 2048) { - int c = qAbs(cursor - anchor) <= 512 ? qMin(cursor, anchor) + qAbs(cursor - anchor) / 2: cursor; - - const int offset = c - qBound(0, c, 512 - qMin(text.size() - c, 256)); - text = text.mid(offset + c - 256, 512); - cursor -= offset; - anchor -= offset; - } - - set_surrounding_text(text, QWaylandInputMethodEventBuilder::indexToWayland(text, cursor), QWaylandInputMethodEventBuilder::indexToWayland(text, anchor)); - } - - if (queries & Qt::ImHints) { - QWaylandInputMethodContentType contentType = QWaylandInputMethodContentType::convert(static_cast<Qt::InputMethodHints>(event.value(Qt::ImHints).toInt())); - set_content_type(contentType.hint, contentType.purpose); - } - - if (queries & Qt::ImCursorRectangle) { - const QRect &cRect = event.value(Qt::ImCursorRectangle).toRect(); - const QRect &windowRect = QGuiApplication::inputMethod()->inputItemTransform().mapRect(cRect); - const QMargins margins = window->frameMargins(); - const QRect &surfaceRect = windowRect.translated(margins.left(), margins.top()); - set_cursor_rectangle(surfaceRect.x(), surfaceRect.y(), surfaceRect.width(), surfaceRect.height()); - } - - if (queries & Qt::ImPreferredLanguage) { - const QString &language = event.value(Qt::ImPreferredLanguage).toString(); - set_preferred_language(language); - } - - update_state(m_serial, flags); - if (flags != update_state_change) { - if (m_resetCallback) - wl_callback_destroy(m_resetCallback); - m_resetCallback = wl_display_sync(m_display->wl_display()); - wl_callback_add_listener(m_resetCallback, &QWaylandTextInput::callbackListener, this); - } -} - -void QWaylandTextInput::setCursorInsidePreedit(int) -{ - // Not supported yet -} - -bool QWaylandTextInput::isInputPanelVisible() const -{ - return m_inputPanelVisible; -} - -QRectF QWaylandTextInput::keyboardRect() const -{ - return m_keyboardRectangle; -} - -QLocale QWaylandTextInput::locale() const -{ - return m_locale; -} - -Qt::LayoutDirection QWaylandTextInput::inputDirection() const -{ - return m_inputDirection; -} - -void QWaylandTextInput::zwp_text_input_v2_enter(uint32_t serial, ::wl_surface *surface) -{ - m_serial = serial; - m_surface = surface; - - updateState(Qt::ImQueryAll, update_state_enter); -} - -void QWaylandTextInput::zwp_text_input_v2_leave(uint32_t serial, ::wl_surface *surface) -{ - m_serial = serial; - - if (m_surface != surface) { - qCDebug(qLcQpaInputMethods()) << Q_FUNC_INFO << "Got leave event for surface" << surface << "focused surface" << m_surface; - } - - m_surface = nullptr; -} - -void QWaylandTextInput::zwp_text_input_v2_modifiers_map(wl_array *map) -{ - const QList<QByteArray> modifiersMap = QByteArray::fromRawData(static_cast<const char*>(map->data), map->size).split('\0'); - - m_modifiersMap.clear(); - - for (const QByteArray &modifier : modifiersMap) { - if (modifier == "Shift") - m_modifiersMap.append(Qt::ShiftModifier); - else if (modifier == "Control") - m_modifiersMap.append(Qt::ControlModifier); - else if (modifier == "Alt") - m_modifiersMap.append(Qt::AltModifier); - else if (modifier == "Mod1") - m_modifiersMap.append(Qt::AltModifier); - else if (modifier == "Mod4") - m_modifiersMap.append(Qt::MetaModifier); - else - m_modifiersMap.append(Qt::NoModifier); - } -} - -void QWaylandTextInput::zwp_text_input_v2_input_panel_state(uint32_t visible, int32_t x, int32_t y, int32_t width, int32_t height) -{ - const bool inputPanelVisible = (visible == input_panel_visibility_visible); - if (m_inputPanelVisible != inputPanelVisible) { - m_inputPanelVisible = inputPanelVisible; - QGuiApplicationPrivate::platformIntegration()->inputContext()->emitInputPanelVisibleChanged(); - } - const QRectF keyboardRectangle(x, y, width, height); - if (m_keyboardRectangle != keyboardRectangle) { - m_keyboardRectangle = keyboardRectangle; - QGuiApplicationPrivate::platformIntegration()->inputContext()->emitKeyboardRectChanged(); - } -} - -void QWaylandTextInput::zwp_text_input_v2_preedit_string(const QString &text, const QString &commit) -{ - if (m_resetCallback) { - qCDebug(qLcQpaInputMethods()) << "discard preedit_string: reset not confirmed"; - m_builder.reset(); - return; - } - - if (!QGuiApplication::focusObject()) - return; - - QInputMethodEvent event = m_builder.buildPreedit(text); - - m_builder.reset(); - m_preeditCommit = commit; - - QCoreApplication::sendEvent(QGuiApplication::focusObject(), &event); -} - -void QWaylandTextInput::zwp_text_input_v2_preedit_styling(uint32_t index, uint32_t length, uint32_t style) -{ - m_builder.addPreeditStyling(index, length, style); -} - -void QWaylandTextInput::zwp_text_input_v2_preedit_cursor(int32_t index) -{ - m_builder.setPreeditCursor(index); -} - -void QWaylandTextInput::zwp_text_input_v2_commit_string(const QString &text) -{ - if (m_resetCallback) { - qCDebug(qLcQpaInputMethods()) << "discard commit_string: reset not confirmed"; - m_builder.reset(); - return; - } - - if (!QGuiApplication::focusObject()) - return; - - QInputMethodEvent event = m_builder.buildCommit(text); - - m_builder.reset(); - - QCoreApplication::sendEvent(QGuiApplication::focusObject(), &event); -} - -void QWaylandTextInput::zwp_text_input_v2_cursor_position(int32_t index, int32_t anchor) -{ - m_builder.setCursorPosition(index, anchor); -} - -void QWaylandTextInput::zwp_text_input_v2_delete_surrounding_text(uint32_t before_length, uint32_t after_length) -{ - m_builder.setDeleteSurroundingText(before_length, after_length); -} - -void QWaylandTextInput::zwp_text_input_v2_keysym(uint32_t time, uint32_t sym, uint32_t state, uint32_t modifiers) -{ #if QT_CONFIG(xkbcommon) - if (m_resetCallback) { - qCDebug(qLcQpaInputMethods()) << "discard keysym: reset not confirmed"; - return; - } - - if (!QGuiApplication::focusWindow()) - return; - - Qt::KeyboardModifiers qtModifiers = modifiersToQtModifiers(modifiers); - - QEvent::Type type = state == WL_KEYBOARD_KEY_STATE_PRESSED ? QEvent::KeyPress : QEvent::KeyRelease; - QString text = QXkbCommon::lookupStringNoKeysymTransformations(sym); - int qtkey = QXkbCommon::keysymToQtKey(sym, qtModifiers); - - QWindowSystemInterface::handleKeyEvent(QGuiApplication::focusWindow(), - time, type, qtkey, qtModifiers, text); -#else - Q_UNUSED(time); - Q_UNUSED(sym); - Q_UNUSED(state); - Q_UNUSED(modifiers); +#include <locale.h> #endif -} - -void QWaylandTextInput::zwp_text_input_v2_language(const QString &language) -{ - if (m_resetCallback) { - qCDebug(qLcQpaInputMethods()) << "discard language: reset not confirmed"; - return; - } - - const QLocale locale(language); - if (m_locale != locale) { - m_locale = locale; - QGuiApplicationPrivate::platformIntegration()->inputContext()->emitLocaleChanged(); - } -} - -void QWaylandTextInput::zwp_text_input_v2_text_direction(uint32_t direction) -{ - if (m_resetCallback) { - qCDebug(qLcQpaInputMethods()) << "discard text_direction: reset not confirmed"; - return; - } - - const Qt::LayoutDirection inputDirection = (direction == text_direction_auto) ? Qt::LayoutDirectionAuto : - (direction == text_direction_ltr) ? Qt::LeftToRight : - (direction == text_direction_rtl) ? Qt::RightToLeft : Qt::LayoutDirectionAuto; - if (m_inputDirection != inputDirection) { - m_inputDirection = inputDirection; - QGuiApplicationPrivate::platformIntegration()->inputContext()->emitInputDirectionChanged(m_inputDirection); - } -} -void QWaylandTextInput::zwp_text_input_v2_input_method_changed(uint32_t serial, uint32_t flags) -{ - Q_UNUSED(flags); +QT_BEGIN_NAMESPACE - m_serial = serial; - updateState(Qt::ImQueryAll, update_state_full); -} +Q_LOGGING_CATEGORY(qLcQpaInputMethods, "qt.qpa.input.methods") -Qt::KeyboardModifiers QWaylandTextInput::modifiersToQtModifiers(uint32_t modifiers) -{ - Qt::KeyboardModifiers ret = Qt::NoModifier; - for (int i = 0; modifiers >>= 1; ++i) { - ret |= m_modifiersMap[i]; - } - return ret; -} +namespace QtWaylandClient { QWaylandInputContext::QWaylandInputContext(QWaylandDisplay *display) : mDisplay(display) @@ -400,29 +35,35 @@ QWaylandInputContext::~QWaylandInputContext() bool QWaylandInputContext::isValid() const { - return mDisplay->textInputManager() != nullptr; + return mDisplay->textInputManagerv2() != nullptr || mDisplay->textInputManagerv1() != nullptr || mDisplay->textInputManagerv3() != nullptr; } void QWaylandInputContext::reset() { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; +#if QT_CONFIG(xkbcommon) + if (m_composeState) + xkb_compose_state_reset(m_composeState); +#endif QPlatformInputContext::reset(); - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return; - textInput()->reset(); + inputInterface->reset(); } void QWaylandInputContext::commit() { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return; - textInput()->commit(); + inputInterface->commit(); } static ::wl_surface *surfaceForWindow(QWindow *window) @@ -438,99 +79,113 @@ void QWaylandInputContext::update(Qt::InputMethodQueries queries) { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO << queries; - if (!QGuiApplication::focusObject() || !textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!QGuiApplication::focusObject() || !inputInterface) return; auto *currentSurface = surfaceForWindow(mCurrentWindow); if (currentSurface && !inputMethodAccepted()) { - textInput()->disable(currentSurface); + inputInterface->disableSurface(currentSurface); mCurrentWindow.clear(); } else if (!currentSurface && inputMethodAccepted()) { QWindow *window = QGuiApplication::focusWindow(); if (auto *focusSurface = surfaceForWindow(window)) { - textInput()->enable(focusSurface); + inputInterface->enableSurface(focusSurface); mCurrentWindow = window; } } - textInput()->updateState(queries, QtWayland::zwp_text_input_v2::update_state_change); + inputInterface->updateState(queries, QWaylandTextInputInterface::update_state_change); } void QWaylandInputContext::invokeAction(QInputMethod::Action action, int cursorPostion) { - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return; if (action == QInputMethod::Click) - textInput()->setCursorInsidePreedit(cursorPostion); + inputInterface->setCursorInsidePreedit(cursorPostion); } void QWaylandInputContext::showInputPanel() { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return; - textInput()->show_input_panel(); + inputInterface->showInputPanel(); } void QWaylandInputContext::hideInputPanel() { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return; - textInput()->hide_input_panel(); + inputInterface->hideInputPanel(); } bool QWaylandInputContext::isInputPanelVisible() const { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return QPlatformInputContext::isInputPanelVisible(); - return textInput()->isInputPanelVisible(); + return inputInterface->isInputPanelVisible(); } QRectF QWaylandInputContext::keyboardRect() const { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return QPlatformInputContext::keyboardRect(); - return textInput()->keyboardRect(); + return inputInterface->keyboardRect(); } QLocale QWaylandInputContext::locale() const { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return QPlatformInputContext::locale(); - return textInput()->locale(); + return inputInterface->locale(); } Qt::LayoutDirection QWaylandInputContext::inputDirection() const { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return QPlatformInputContext::inputDirection(); - return textInput()->inputDirection(); + return inputInterface->inputDirection(); } -void QWaylandInputContext::setFocusObject(QObject *) +void QWaylandInputContext::setFocusObject(QObject *object) { qCDebug(qLcQpaInputMethods) << Q_FUNC_INFO; +#if QT_CONFIG(xkbcommon) + m_focusObject = object; +#else + Q_UNUSED(object); +#endif - if (!textInput()) + QWaylandTextInputInterface *inputInterface = textInput(); + if (!inputInterface) return; QWindow *window = QGuiApplication::focusWindow(); @@ -539,7 +194,7 @@ void QWaylandInputContext::setFocusObject(QObject *) if (mCurrentWindow.data() != window || !inputMethodAccepted()) { auto *surface = static_cast<QWaylandWindow *>(mCurrentWindow->handle())->wlSurface(); if (surface) - textInput()->disable(surface); + inputInterface->disableSurface(surface); mCurrentWindow.clear(); } } @@ -548,19 +203,104 @@ void QWaylandInputContext::setFocusObject(QObject *) if (mCurrentWindow.data() != window) { auto *surface = static_cast<QWaylandWindow *>(window->handle())->wlSurface(); if (surface) { - textInput()->enable(surface); + inputInterface->enableSurface(surface); mCurrentWindow = window; } } - textInput()->updateState(Qt::ImQueryAll, QtWayland::zwp_text_input_v2::update_state_enter); + inputInterface->updateState(Qt::ImQueryAll, QWaylandTextInputInterface::update_state_enter); + } +} + +QWaylandTextInputInterface *QWaylandInputContext::textInput() const +{ + return mDisplay->defaultInputDevice() ? mDisplay->defaultInputDevice()->textInput() : nullptr; +} + +#if QT_CONFIG(xkbcommon) + +void QWaylandInputContext::ensureInitialized() +{ + if (m_initialized) + return; + + if (!m_XkbContext) { + qCWarning(qLcQpaInputMethods) << "error: xkb context has not been set on" << metaObject()->className(); + return; + } + + m_initialized = true; + const char *const locale = setlocale(LC_CTYPE, nullptr); + qCDebug(qLcQpaInputMethods) << "detected locale (LC_CTYPE):" << locale; + + m_composeTable = xkb_compose_table_new_from_locale(m_XkbContext, locale, XKB_COMPOSE_COMPILE_NO_FLAGS); + if (m_composeTable) + m_composeState = xkb_compose_state_new(m_composeTable, XKB_COMPOSE_STATE_NO_FLAGS); + + if (!m_composeTable) { + qCWarning(qLcQpaInputMethods, "failed to create compose table"); + return; + } + if (!m_composeState) { + qCWarning(qLcQpaInputMethods, "failed to create compose state"); + return; } } -QWaylandTextInput *QWaylandInputContext::textInput() const +bool QWaylandInputContext::filterEvent(const QEvent *event) { - return mDisplay->defaultInputDevice()->textInput(); + auto keyEvent = static_cast<const QKeyEvent *>(event); + if (keyEvent->type() != QEvent::KeyPress) + return false; + + if (!inputMethodAccepted()) + return false; + + // lazy initialization - we don't want to do this on an app startup + ensureInitialized(); + + if (!m_composeTable || !m_composeState) + return false; + + xkb_compose_state_feed(m_composeState, keyEvent->nativeVirtualKey()); + + switch (xkb_compose_state_get_status(m_composeState)) { + case XKB_COMPOSE_COMPOSING: + return true; + case XKB_COMPOSE_CANCELLED: + reset(); + return false; + case XKB_COMPOSE_COMPOSED: + { + const int size = xkb_compose_state_get_utf8(m_composeState, nullptr, 0); + QVarLengthArray<char, 32> buffer(size + 1); + xkb_compose_state_get_utf8(m_composeState, buffer.data(), buffer.size()); + QString composedText = QString::fromUtf8(buffer.constData()); + + QInputMethodEvent event; + event.setCommitString(composedText); + + if (!m_focusObject && qApp) + m_focusObject = qApp->focusObject(); + + if (m_focusObject) + QCoreApplication::sendEvent(m_focusObject, &event); + else + qCWarning(qLcQpaInputMethods, "no focus object"); + + reset(); + return true; + } + case XKB_COMPOSE_NOTHING: + return false; + default: + Q_UNREACHABLE_RETURN(false); + } } +#endif + } QT_END_NAMESPACE + +#include "moc_qwaylandinputcontext_p.cpp" |