diff options
Diffstat (limited to 'src/imports/inputcontext/inputcontextmodule.cpp')
| -rw-r--r-- | src/imports/inputcontext/inputcontextmodule.cpp | 413 |
1 files changed, 0 insertions, 413 deletions
diff --git a/src/imports/inputcontext/inputcontextmodule.cpp b/src/imports/inputcontext/inputcontextmodule.cpp deleted file mode 100644 index 578fb98733..0000000000 --- a/src/imports/inputcontext/inputcontextmodule.cpp +++ /dev/null @@ -1,413 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "inputcontextmodule.h" - -#include "declarativeinputcontext.h" - -#include <QtCore/qdebug.h> -#include <QtGui/qevent.h> -#include <QtGui/qtextformat.h> -#include <QtWidgets/qapplication.h> - -QT_BEGIN_NAMESPACE - -/*! - \qmlmodule Qt.labs.inputcontext InputContextModule - - \brief The Qt.labs.inputcontext module provides an API for implementing input methods is QML. -*/ - -InputContextModule::InputContextModule(QObject *parent) - : QObject(parent) - , m_inputContext(qobject_cast<DeclarativeInputContext *>(qApp->inputContext())) - , m_focusWidget(m_inputContext ? m_inputContext->focusWidget() : 0) - , m_visible(false) -{ - if (m_inputContext) - m_inputContext->setModule(this); -} - -InputContextModule::~InputContextModule() -{ - if (m_inputContext) - m_inputContext->setModule(0); -} - -/*! - \qmlproperty bool focus - - \inqmlmodule Qt.labs.inputcontext - - This property identifies whether an item that takes text input has active focus. -*/ - -bool InputContextModule::hasFocus() const -{ - return m_focusWidget != 0; -} - -void InputContextModule::setFocusWidget(QWidget *widget) -{ - m_focusWidget = widget; - - if (!m_focusWidget) - setVisible(false); - - emit focusChanged(); -} - -/*! - \qmlproperty bool softwareInputPanelVisible - - \inqmlmodule Qt.labs.inputcontext - - This property identifies whether the item with focus has requested a - software input panel. -*/ - -bool InputContextModule::isVisible() const -{ - return m_visible; -} - -void InputContextModule::setVisible(bool visible) -{ - if (m_visible != visible) { - m_visible = visible; - - emit visibleChanged(); - } -} - -/*! - \qmlproperty string preeditText - - \inqmlmodule Qt.labs.inputcontext - - This property holds the uncommited text that is displayed in the item that - has focus. -*/ - -QString InputContextModule::preeditText() const -{ - return m_preeditText; -} - -void InputContextModule::setPreeditText(const QString &text) -{ - if (text != m_preeditText) - sendPreedit(text); -} - -/*! - \qmlproperty rectangle microFocus - - \inqmlmodule Qt.labs.inputcontext - - This property holds a rectangle in scene coordinates around the position - of the cursor. -*/ - -QRect InputContextModule::microFocus() const -{ - return m_focusWidget - ? m_focusWidget->inputMethodQuery(Qt::ImMicroFocus).toRect() - : QRect(); -} - -/*! - \qmlproperty font font - - \inqmlmodule Qt.labs.inputcontext - - This property holds the font of the text that currently has focus. -*/ - -QFont InputContextModule::font() const -{ - return m_focusWidget - ? m_focusWidget->inputMethodQuery(Qt::ImFont).value<QFont>() - : QFont(); -} - -/*! - \qmlproperty int cursorPosition - - \inqmlmodule Qt.labs.inputcontext - - This property holds the position of the text cursor in the - \l surroundingText. -*/ - -int InputContextModule::cursorPosition() const -{ - return m_focusWidget - ? m_focusWidget->inputMethodQuery(Qt::ImCursorPosition).toInt() - : 0; -} - -/*! - \qmlproperty int anchorPosition - - \inqmlmodule Qt.labs.inputcontext - - This property holds the position of the selection anchor in the - \l surroundingText. If no text is selected this is the same as the - \l cursorPosition. -*/ - -int InputContextModule::anchorPosition() const -{ - return m_focusWidget - ? m_focusWidget->inputMethodQuery(Qt::ImAnchorPosition).toInt() - : 0; -} - -/*! - \qmlproperty int maximumTextLength - - \inqmlmodule Qt.labs.inputcontext - - This property holds the maximum number of characters that the item with - focus can hold. If there is no limit -1 is returned. -*/ - -int InputContextModule::maximumTextLength() const -{ - QVariant length; - if (m_focusWidget) - length = m_focusWidget->inputMethodQuery(Qt::ImMaximumTextLength); - return length.isValid() ? length.toInt() : -1; -} - -/*! - \qmlproperty string surroundingText - - \inqmlmodule Qt.labs.inputcontext - - This property holds the plain text around the input area. For example the - current paragraph. -*/ - -QString InputContextModule::surroundingText() const -{ - return m_focusWidget - ? m_focusWidget->inputMethodQuery(Qt::ImSurroundingText).toString() - : QString(); -} - -/*! - \qmlproperty string selectedText - - \inqmlmodule Qt.labs.inputcontext - - This property holds the currently selected text. -*/ - -QString InputContextModule::selectedText() const -{ - return m_focusWidget - ? m_focusWidget->inputMethodQuery(Qt::ImCurrentSelection).toString() - : QString(); -} - -/*! - \qmlmethod sendKeyPress(int key, string text, int modifiers, bool autoRepeat) - - \inqmlmodule Qt.labs.inputcontext - - This method sends a key press event to the item that currently has focus. - - Int key is the code for the Qt::Key that the event loop should listen for. - If key is 0, the event is not a result of a known key; for example, it may - be the result of a compose sequence or keyboard macro. The modifiers holds - the keyboard modifiers, and the given text is the Unicode text that the key - generated. If autorep is true, isAutoRepeat() will be true. count is the - number of keys involved in the event. -*/ -void InputContextModule::sendKeyPress( - int key, const QString &text, int modifiers, bool autoRepeat, int count) -{ - if (m_focusWidget) { - QKeyEvent event( - QEvent::KeyPress, key, Qt::KeyboardModifiers(modifiers), text, autoRepeat, count); - if (!m_inputContext || !m_inputContext->filterKeyEvent(&event)) - QApplication::sendEvent(m_focusWidget, &event); - } -} - -/*! - \qmlmethod sendKeyRelease(int key, string text, int modifiers) - - \inqmlmodule Qt.labs.inputcontext - - This method sends a key release event to the item that currently has focus. - - Int key is the code for the Qt::Key that the event loop should listen for. - If key is 0, the event is not a result of a known key; for example, it may - be the result of a compose sequence or keyboard macro. The modifiers holds - the keyboard modifiers, and the given text is the Unicode text that the key - generated. count is the number of keys involved in the event. -*/ -void InputContextModule::sendKeyRelease(int key, const QString &text, int modifiers, int count) -{ - if (m_focusWidget) { - QKeyEvent event( - QEvent::KeyRelease, key, Qt::KeyboardModifiers(modifiers), text, false, count); - if (!m_inputContext || !m_inputContext->filterKeyEvent(&event)) - QApplication::sendEvent(m_focusWidget, &event); - } -} - -/*! - \qmlmethod sendPreedit(string text, int cursor = -1) - - \inqmlmodule Qt.labs.inputcontext - - Sends a pre-edit event to the item with active focus. - - This will set \l preeditText to \a text, and position the text \a cursor - within the pre-edit text. If the value of cursor is -1 the cursor will be - positioned at the end of the pre-edit text. -*/ -void InputContextModule::sendPreedit(const QString &text, int cursor) -{ - const QString preedit = m_preeditText; - m_preeditText = text; - - if (m_inputContext) { - QList<QInputMethodEvent::Attribute> attributes; - - if (cursor >= 0 && cursor <= text.length()) { - attributes.append(QInputMethodEvent::Attribute( - QInputMethodEvent::Cursor, cursor, text.length(), QVariant())); - } else { - cursor = text.length(); - } - - if (cursor > 0) { - attributes.append(QInputMethodEvent::Attribute( - QInputMethodEvent::TextFormat, - 0, - cursor, - m_inputContext->standardFormat(QInputContext::PreeditFormat))); - } - if (cursor < text.length()) { - attributes.append(QInputMethodEvent::Attribute( - QInputMethodEvent::TextFormat, - cursor, - text.length(), - m_inputContext->standardFormat(QInputContext::SelectionFormat))); - } - - m_inputContext->sendEvent(QInputMethodEvent(text, attributes)); - } - - if (m_preeditText != preedit) - emit preeditTextChanged(); -} - - -/*! - \qmlmethod commit() - - \inqmlmodule Qt.labs.inputcontext - - Commits \l preeditText to the item with active focus. -*/ -void InputContextModule::commit() -{ - // Create an explicit copy of m_preeditText as the reference value is cleared before sending - // the event. - commit(QString(m_preeditText)); -} - -/*! - \qmlmethod commit(string) - - \inqmlmodule Qt.labs.inputcontext - - Commits \a text to the item with active focus and clears the current - \l preeditText. The text will be inserted into the \l surroundingText at a - position \a replacementStart relative to the \l cursorPosition and will - replace \a replacementLength characters. -*/ -void InputContextModule::commit(const QString &text, int replacementStart, int replacementLength) -{ - const QString preedit = m_preeditText; - m_preeditText.clear(); - - if (m_inputContext) { - QInputMethodEvent inputEvent; - inputEvent.setCommitString(text, replacementStart, replacementLength); - m_inputContext->sendEvent(inputEvent); - } - - if (m_preeditText != preedit) - emit preeditTextChanged(); -} - -/*! - \qmlmethod clear() - - \inqmlmodule Qt.labs.inputcontext - - Clears the current \l preeditText. -*/ -void InputContextModule::clear() -{ - const QString preedit = m_preeditText; - m_preeditText.clear(); - - if (m_inputContext) - m_inputContext->sendEvent(QInputMethodEvent()); - - if (m_preeditText != preedit) - emit preeditTextChanged(); -} - -void InputContextModule::update() -{ - emit contextUpdated(); -} - -QT_END_NAMESPACE |