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// Copyright (C) 2012 BogDan Vatra <bogdan@kde.org>
// Copyright (C) 2016 Olivier Goffart <ogoffart@woboq.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef ANDROIDINPUTCONTEXT_H
#define ANDROIDINPUTCONTEXT_H
#include <qpa/qplatforminputcontext.h>
#include <functional>
#include <jni.h>
#include <qevent.h>
#include <QtCore/qpointer.h>
#include <QTimer>
QT_BEGIN_NAMESPACE
class QAndroidInputContext: public QPlatformInputContext
{
Q_OBJECT
enum CapsMode
{
CAP_MODE_CHARACTERS = 0x00001000,
CAP_MODE_SENTENCES = 0x00004000,
CAP_MODE_WORDS = 0x00002000
};
public:
enum EditContext : uint32_t {
CutButton = 1 << 0,
CopyButton = 1 << 1,
PasteButton = 1 << 2,
SelectAllButton = 1 << 3,
AllButtons = CutButton | CopyButton | PasteButton | SelectAllButton
};
enum HandleMode {
Hidden = 0,
ShowCursor = 1,
ShowSelection = 2,
ShowEditPopup = 0x100
};
Q_DECLARE_FLAGS(HandleModes, HandleMode)
struct ExtractedText
{
ExtractedText() { clear(); }
void clear()
{
partialEndOffset = partialStartOffset = selectionEnd = selectionStart = startOffset = -1;
text.clear();
}
int partialEndOffset;
int partialStartOffset;
int selectionEnd;
int selectionStart;
int startOffset;
QString text;
};
public:
QAndroidInputContext();
~QAndroidInputContext();
static QAndroidInputContext * androidInputContext();
bool isValid() const override { return true; }
void reset() override;
void commit() override;
void update(Qt::InputMethodQueries queries) override;
void invokeAction(QInputMethod::Action action, int cursorPosition) override;
QRectF keyboardRect() const override;
bool isAnimating() const override;
void showInputPanel() override;
void hideInputPanel() override;
bool isInputPanelVisible() const override;
bool isComposing() const;
void clear();
void setFocusObject(QObject *object) override;
void sendShortcut(const QKeySequence &);
//---------------//
jboolean beginBatchEdit();
jboolean endBatchEdit();
jboolean commitText(const QString &text, jint newCursorPosition);
jboolean deleteSurroundingText(jint leftLength, jint rightLength);
jboolean finishComposingText();
jint getCursorCapsMode(jint reqModes);
const ExtractedText &getExtractedText(jint hintMaxChars, jint hintMaxLines, jint flags);
QString getSelectedText(jint flags);
QString getTextAfterCursor(jint length, jint flags);
QString getTextBeforeCursor(jint length, jint flags);
jboolean setComposingText(const QString &text, jint newCursorPosition);
jboolean setComposingRegion(jint start, jint end);
jboolean setSelection(jint start, jint end);
jboolean selectAll();
jboolean cut();
jboolean copy();
jboolean copyURL();
jboolean paste();
void reportFullscreenMode(jboolean enabled);
jboolean fullscreenMode();
public slots:
void safeCall(const std::function<void()> &func, Qt::ConnectionType conType = Qt::BlockingQueuedConnection);
void updateCursorPosition();
void updateSelectionHandles();
void handleLocationChanged(int handleId, int x, int y);
void touchDown(int x, int y);
void longPress(int x, int y);
void keyDown();
void hideSelectionHandles();
private slots:
void showInputPanelLater(Qt::ApplicationState);
private:
bool isImhNoTextHandlesSet();
void sendInputMethodEvent(QInputMethodEvent *event);
QSharedPointer<QInputMethodQueryEvent> focusObjectInputMethodQuery(Qt::InputMethodQueries queries = Qt::ImQueryAll);
bool focusObjectIsComposing() const;
void focusObjectStartComposing();
bool focusObjectStopComposing();
private:
ExtractedText m_extractedText;
QString m_composingText;
int m_composingTextStart;
int m_composingCursor;
QMetaObject::Connection m_updateCursorPosConnection;
HandleModes m_handleMode;
int m_batchEditNestingLevel;
QPointer<QObject> m_focusObject;
QTimer m_hideCursorHandleTimer;
bool m_fullScreenMode;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QAndroidInputContext::HandleModes)
QT_END_NAMESPACE
#endif // ANDROIDINPUTCONTEXT_H
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