#ifndef INPUTMETHOD_H
#define INPUTMETHOD_H

#include <QWidget>
#include <QHash>
#include <QMap>
#include <QList>
#include <QLabel>
#include <QTextEdit>
#include <ClickLabel.h>
#include <QStringList>
#include <QTimer>
#include "InsertSpaceNumDialog.h"
#include "myinclude.h"
class MyInputMethod;


namespace Ui {
    class InputMethod;
}

#define  HANZI_SELECT_NUM  5          //显示汉字的个数，由UI文件决定
#define INPUT_METHOD_TYPE_ENGLISH  0
#define INPUT_METHOD_TYPE_CHINESE  1
#define INPUT_METHOD_TYPE_VIETNAM  2
#define INPUT_METHOD_TYPE_RUSSIAN  3 // Russian
#define INPUT_METHOD_TYPE_JAPANESE 4 //Japanese
#define INPUT_METHOD_TYPE_KOREAN   5 // Korean
#define INPUT_METHOD_TYPE_SPANISH  6 // Korean
#define INPUT_METHOD_TYPE_THAI     7 // Thai
#define INPUT_METHOD_TYPE_Farsi    8
#define INPUT_FILE_CHINESE  "WINPY_utf8.txt"
#define INPUT_FILE_ENGLISH  "WINPY_utf8.txt"
#define INPUT_FILE_VIETNAM  "YN_utf8.txt"
#define INPUT_FILE_RUSSIAN  "WINPY_utf8.txt"
#define INPUT_FILE_JAPANESE  "WINPY_utf8.txt"
#define INPUT_FILE_KOREAN   "WINPY_utf8.txt"

#define MIN(a,b) (((a) < (b))?(a):(b))
#define MAX(a,b) (((a) > (b))?(a):(b))

class InputMethod : public QWidget
{
    Q_OBJECT
    
public:
    explicit InputMethod(MyInputMethod *myInputMethod,QWidget *parent = 0);
    static bool initInputMethod(QString &filename);        /*用文件初始化输入法的字库*/
    static void showPinyinHash(void);
    ~InputMethod();
    void switchKeyBoardBengalDisply(bool);
    void switchKeyBoardBengalLowerLetters();
    void switchKeyBoardBengalCapitalLetters();
    void switchKeyBoardBengalDigit();
#ifdef EnableArabic
    void setArabicDisplay(bool);
    void showArabicPage1Key();
    void showArabicPage2Key();
    void showEnglishKey();
    void showArabicPage3Key();
    void setSwitchArabicFlag(bool flag);
#endif
public slots:
    void onpushButtonCapspressed();
    void onDigitalPunctuationClicked();
    void onCharClicked();
    void onShiftClicked();
    void onInputMethodClicked();
    void onBackspaceClicked();
    void onHanziLabelClicked();
    void onKeyLastClicked();
    void onKeyNextClicked();
    void onEnterClicked();

    void userInputed(QString str);              //用户输入一个字符
    void onHiden();
    void on_Key_Backspace_released();
private slots:


    void onKeyLeftpressed();

    void onKeyDownpressed();

    void onKeyUppressed();

    void onKeyRightpressed();

    void onKeyHomepressed();

    void onKeyEndpressed();

    void onKeydeletepressed();

    void onKeySpecialCharpressed();
    void onKeyCtrlpressed();
    void onKeyReleased();
    void onKeyPressed();

    void spaceKeyPressed();
    void spaceKeyRelease();
    void spaceKeyLongPressed();
    void backKeyLongPressed();
    void onInsertSpaceNumDialogAccepted();

    void on_pushBottonHide_pressed();

    void on_Key_Backspace_pressed();

    //void on_Key_Backspace_released();

private:

	MyInputMethod *myInputMethod;
    QMap<QString,QString> keyMap;

    Ui::InputMethod *ui;

    static QHash<QString,QList<QString> *> *pinyinHash;                   //用来存放哈拼音的哈希表,所有都共用一份
    static QList <QString> pinyinHashKeys;
    static QStringList  pinyinHashQStringList;

    QList <QString> *currPinyinList;

    QStringList currPinyins;          //自动侯选的拼音

    ClickLabel *hanziDisplayLabels[HANZI_SELECT_NUM];
    int currentInputMethodType;
    int matchStartIndex;
    int matchEndIndex;
    int bNotFound;
    bool shiftFlag;                             //是否按过shift键
    bool CapsFlag;
    bool userPinyinInputAppending;              //是否用户已经在拼音输入法下完成输入
    QString currPinyinStr;                      //记录当前用户已经输入的字符
    int pinyinPage;                             /*当一个拼音有很多汉字时，分多页存放，记录当前的页数*/
    int back_count_timeout;                     //回退键超时处理
    bool bengalFlag;
    bool CtrlFlag;
#ifdef EnableArabic
    bool arabicFlag;
    bool englishOrArabicFlag;
#endif
    void switchKeyboardDisplay(void);       //当按shift,输入法时，切换键盘显示
    void displayHanziToLabel();    //显示汉字到label
    void fillPinyinLabel(bool bActFromCharInput);
    void asciiTyped(int ascii);
    void digitalTyped(int ascii);
    void buttonConnect(QPushButton *sender,
            const QObject *receiver, const char *member);
    void setHanziLabelVisible(bool enable);
    QLabel labelInputTip;			//输入提示
    QTimer spaceTimer;
    QTimer backtimer;
    InsertSpaceNumDialog insertSpaceNumDialog;
    bool hanZiLabelVisibleEnable;
    bool ctrlAppending;//Ctrl+C ..之类的
    QString specialKeyMap(QString ch);
};

#endif // INPUTMETHOD_H