src/hbplugins/inputmethods/touchinput/virtualqwerty.h
changeset 0 16d8024aca5e
child 1 f7ac710697a9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbplugins/inputmethods/touchinput/virtualqwerty.h	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,151 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbPlugins module of the UI Extensions for Mobile.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#ifndef _VirtualQwerty_H
+#define _VirtualQwerty_H
+
+#include <QPointer>
+#include <hbinputabstractbase.h>
+#include <hbinputpredictioncallback.h>
+#include <hbinputvirtualrocker.h>
+#include <hbinputvkbwidget.h>
+
+class QTimer;
+class HbQwertyKeyboard;
+class HbKeyMapData;
+class HbPredictionEngine;
+class HbCandidateList;
+class HbExactWordPopup;
+class HbInputSctLandscape;
+
+class HbInputModeHandler;
+class HbInputBasicQwertyHandler;
+class HbInputPredictionQwertyHandler;
+class HbInputNumericQwertyHandler;
+
+class HbVirtualQwerty : public HbInputAbstractMethod
+{
+    Q_OBJECT
+
+public:
+    HbVirtualQwerty();
+    ~HbVirtualQwerty();
+
+public: // From QInputContext
+    QString identifierName();
+    bool isComposing() const;
+    QString language();
+    void reset();
+    void mouseHandler(int x, QMouseEvent* aEvent);
+    bool filterEvent(const QEvent* event);
+
+public slots:
+    void sctCharacterSelected(QString aChar);
+    void orientationAboutToChange();
+    void rockerDirection(int aDirection, HbInputVirtualRocker::RockerSelectionMode aSelectionMode);
+    // keypad related slots
+    void keypadClosed();
+    void keypadCloseEventDetected(HbInputVkbWidget::HbVkbCloseMethod vkbCloseMethod);
+    void flickEvent(HbInputVkbWidget::HbFlickDirection direction);
+    void mouseMovedOutOfButton();
+    void smileySelected(QString smiley);
+
+public: // From HbInputMethod
+    void focusReceived();
+    void focusLost(bool focusSwitch);
+    void inputStateActivated(const HbInputState& aNewState);
+    void candidatePopupClosed(int closingKey);
+    void inputLanguageChanged(const HbInputLanguage &aNewLanguage);
+    void secondaryInputLanguageChanged(const HbInputLanguage &newLanguage);
+    int displaySpecialCharacterTable(QObject* aReceiver);
+    bool usePrediction() const;
+public: //From HbAbstractQwerty
+    QList<HbKeyPressProbability> probableKeypresses();
+signals:
+    void autoCompletionPopupClosed(QString word, int closingkey);
+
+public:
+    void initializeModeHandlers();
+    void launchCandidatePopup(const QStringList &candidates);
+
+    void closeKeypad();
+    void launchCharacterPreviewPane(int key);
+    void switchSpecialCharacterTable();
+    void selectSpecialCharacterTableMode();
+    void closeExactWordPopup();
+    void launchExactWordPopup(QString exactWord);
+    void closeAutoCompletionPopup();
+    void launchAutoCompletionPopup(const QStringList &candidates);
+
+protected:
+    void predictiveInputStatusChanged(int newStatus);
+
+private slots:
+    void candidatePopupCancelled();
+
+private:
+    void initializePredictiveMode();
+    void updateEditor();
+    bool selectWord(bool selectFromLeft = true);
+    void launchCandidatePopup();
+    QPointF getCursorCoordinatePosition();
+    void loadKeymap(const HbInputLanguage &newLanguage);
+
+private:
+    void openKeypad(HbInputVkbWidget * keypadToOpen, bool inMinimizedMode = false);
+    HbQwertyKeyboard* constructKeypad(HbKeypadMode currentInputType);
+
+private:
+    // mCurrentKeypad contains currently active keypad, we dont need to have
+    // anyother variables to tell us which is current keypad
+    QPointer<HbInputVkbWidget> mCurrentKeypad;
+    // contains qwerty alpha keypad
+    QPointer<HbQwertyKeyboard> mQwertyAlphaKeypad;
+    // contains qwerty numeric keypad
+    QPointer<HbQwertyKeyboard> mQwertyNumericKeypad;
+    // contains sct keypad
+    QPointer<HbInputSctLandscape> mSctKeypad;
+
+    const HbKeymap *mKeymap;
+    HbFnState mFnState;
+    HbInputState mPreviousInputState;
+
+    HbExactWordPopup *mExactWordPopup;
+    HbCandidateList *mCandidatePopup;
+    bool mOrientationAboutToChange;
+    HbInputVkbWidget::HbSctView mSctMode;
+    int mShiftKeyState;
+    // mode handlers
+    HbInputModeHandler *mActiveModeHandler;
+    HbInputBasicQwertyHandler *mBasicModeHandler;
+    HbInputPredictionQwertyHandler *mPredictionModeHandler;
+    HbInputNumericQwertyHandler *mNumericModeHandler;
+    // vkbhost
+    QPointer<HbVkbHost> mVkbHost;
+};
+
+#endif // _VirtualQwerty_H
+
+// End of file