Key Input.cpp

#include <windows.h>
#include <stdio.h>

HANDLE hStdin;
DWORD fdwSaveOldMode;

VOID ErrorExit(LPSTR);
VOID KeyEventProc(KEY_EVENT_RECORD);
VOID MouseEventProc(MOUSE_EVENT_RECORD);
VOID ResizeEventProc(WINDOW_BUFFER_SIZE_RECORD);

int main(VOID)
{
    DWORD cNumRead, fdwMode, i;
    INPUT_RECORD irInBuf[128];
    int counter=0;

    // Get the standard input handle.

    hStdin = GetStdHandle(STD_INPUT_HANDLE);
    if (hStdin == INVALID_HANDLE_VALUE)
        ErrorExit("GetStdHandle");

    // Save the current input mode, to be restored on exit.

    if (! GetConsoleMode(hStdin, &fdwSaveOldMode) )
        ErrorExit("GetConsoleMode");

    // Enable the window and mouse input events.

    fdwMode = ENABLE_WINDOW_INPUT | ENABLE_MOUSE_INPUT;
    if (! SetConsoleMode(hStdin, fdwMode) )
        ErrorExit("SetConsoleMode");

    // Loop to read and handle the next 100 input events.

    while (counter++ <= 100)
    {
        // Wait for the events.

        if (! ReadConsoleInput(
                hStdin,      // input buffer handle
                irInBuf,     // buffer to read into
                128,         // size of read buffer
                &cNumRead) ) // number of records read
            ErrorExit("ReadConsoleInput");

        // Dispatch the events to the appropriate handler.

        for (i = 0; i < cNumRead; i++)
        {
            switch(irInBuf[i].EventType)
            {
                case KEY_EVENT: // keyboard input
                    KeyEventProc(irInBuf[i].Event.KeyEvent);
                    break;

                case MOUSE_EVENT: // mouse input
                    MouseEventProc(irInBuf[i].Event.MouseEvent);
                    break;

                case WINDOW_BUFFER_SIZE_EVENT: // scrn buf. resizing
                    ResizeEventProc( irInBuf[i].Event.WindowBufferSizeEvent );
                    break;

                case FOCUS_EVENT:  // disregard focus events

                case MENU_EVENT:   // disregard menu events
                    break;

                default:
                    ErrorExit("Unknown event type");
                    break;
            }
        }
    }

    // Restore input mode on exit.

    SetConsoleMode(hStdin, fdwSaveOldMode);

    return 0;
}

VOID ErrorExit (LPSTR lpszMessage)
{
    fprintf(stderr, "%s\n", lpszMessage);

    // Restore input mode on exit.

    SetConsoleMode(hStdin, fdwSaveOldMode);

    ExitProcess(0);
}

VOID KeyEventProc(KEY_EVENT_RECORD ker)
{
    printf("Key event: ");

    if(ker.bKeyDown)
        printf("key pressed\n");
    else printf("key released\n");
}

VOID MouseEventProc(MOUSE_EVENT_RECORD mer)
{
#ifndef MOUSE_HWHEELED
#define MOUSE_HWHEELED 0x0008
#endif
    printf("Mouse event: ");

    switch(mer.dwEventFlags)
    {
        case 0:

            if(mer.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED)
            {
                printf("left button press \n");
            }
            else if(mer.dwButtonState == RIGHTMOST_BUTTON_PRESSED)
            {
                printf("right button press \n");
            }
            else
            {
                printf("button press\n");
            }
            break;
        case DOUBLE_CLICK:
            printf("double click\n");
            break;
        case MOUSE_HWHEELED:
            printf("horizontal mouse wheel\n");
            break;
        case MOUSE_MOVED:
            printf("mouse moved\n");
            break;
        case MOUSE_WHEELED:
            printf("vertical mouse wheel\n");
            break;
        default:
            printf("unknown\n");
            break;
    }
}

VOID ResizeEventProc(WINDOW_BUFFER_SIZE_RECORD wbsr)
{
    printf("Resize event\n");
    printf("Console screen buffer is %d columns by %d rows.\n", wbsr.dwSize.X, wbsr.dwSize.Y);
}

/*
#include <iostream>
#include <stdio.h>
#include <windows.h>


HANDLE hStdin;
DWORD fdwSaveOldMode;

void ErrorExit(LPSTR);
void KeyEventProc(KEY_EVENT_RECORD);
void MouseEventProc(MOUSE_EVENT_RECORD);
void ResizeEventProc(WINDOW_BUFFER_SIZE_RECORD);
void GetMousePosWin(MOUSE_EVENT_RECORD);
void gotoXY(int x, int y);

HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE);
COORD CursorPosition;



int main()
{
    DWORD cNumRead, fdwMode, i;
    INPUT_RECORD irInBuf[128];
    int counter=0;

    // Get the standard input handle.

    hStdin = GetStdHandle(STD_INPUT_HANDLE);
    if (hStdin == INVALID_HANDLE_VALUE)
        ErrorExit("GetStdHandle");

    // Save the current input mode, to be restored on exit.

    if (! GetConsoleMode(hStdin, &fdwSaveOldMode) )
        ErrorExit("GetConsoleMode");

    // Enable the window and mouse input events.

    fdwMode = ENABLE_WINDOW_INPUT | ENABLE_MOUSE_INPUT;
    if (! SetConsoleMode(hStdin, fdwMode) )
        ErrorExit("SetConsoleMode");

    // Loop to read and handle the next 100 input events.
    gotoXY(33,10);
    std::cout << "\xDB Menu Item 1";
    gotoXY(33,12);
    std::cout << "\xDB Menu Item 2";
    gotoXY(33,14);
    std::cout << "\xDB Menu Item 3";
    gotoXY(33,16);
    std::cout << "\xDB Quit";
    while (!counter)//++ <= 200)
    {
        // Wait for the events.

        if (! ReadConsoleInput(
            hStdin,      // input buffer handle
            irInBuf,     // buffer to read into
            128,         // size of read buffer
            &cNumRead) ) // number of records read
            ErrorExit("ReadConsoleInput");

        // Dispatch the events to the appropriate handler.

        for (i = 0; i < cNumRead; i++)
        {
            switch(irInBuf[i].EventType)
            {
            case KEY_EVENT: // keyboard input
                KeyEventProc(irInBuf[i].Event.KeyEvent);
                break;

            case MOUSE_EVENT: // mouse input
                MouseEventProc(irInBuf[i].Event.MouseEvent);
                gotoXY(33,8);
                GetMousePosWin(irInBuf[i].Event.MouseEvent);
                break;

            case WINDOW_BUFFER_SIZE_EVENT: // scrn buf. resizing
                ResizeEventProc( irInBuf[i].Event.WindowBufferSizeEvent );
                break;

            case FOCUS_EVENT:  // disregard focus events

            case MENU_EVENT:   // disregard menu events
                break;

            default:
                ErrorExit("Unknown event type");
                break;
            }
        }
    }

    // Restore input mode on exit.

    SetConsoleMode(hStdin, fdwSaveOldMode);

    return 0;
}

VOID ErrorExit (LPSTR lpszMessage)
{
    fprintf(stderr, "%s\n", lpszMessage);

    // Restore input mode on exit.

    SetConsoleMode(hStdin, fdwSaveOldMode);

    ExitProcess(0);
}

VOID KeyEventProc(KEY_EVENT_RECORD ker)
{
    printf("Key event: ");

    if(ker.bKeyDown)
        printf("key pressed");
    else printf("key released");
}

VOID MouseEventProc(MOUSE_EVENT_RECORD mer)
{
#ifndef MOUSE_HWHEELED
#define MOUSE_HWHEELED 0x0008
#endif

    gotoXY(33,6);
    printf("Mouse event:                                               ");

    switch(mer.dwEventFlags)
    {

    case 0:
        if(mer.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED)
        {
            gotoXY(46,6);
            printf("left button pressed");
        }
        else if(mer.dwButtonState == RIGHTMOST_BUTTON_PRESSED)
        {
            gotoXY(46,6);
            printf("right button pressed");
        }
        else
        {
            gotoXY(46,6);
            printf("button press");
        }
        break;
    case DOUBLE_CLICK:
        gotoXY(46,6);
        printf("double click");
        break;
    case MOUSE_HWHEELED:
        gotoXY(46,6);
        printf("horizontal mouse wheel");
        break;
    case MOUSE_MOVED:
        gotoXY(46,6);
        printf("mouse moved");
        //gotoXY(12,13);
        //GetMousePosWin();
        break;
    case MOUSE_WHEELED:
        gotoXY(46,6);
        printf("vertical mouse wheel");
        break;
    default:
        gotoXY(46,6);
        printf("unknown");
        break;
    }

}

// get Window pos through windows api
void GetMousePosWin(MOUSE_EVENT_RECORD mer)
{
    int x,y;
    // creates the handle i need to use
    //HANDLE OutputH;
    INPUT_RECORD Inrec;
    DWORD evRead;
    HANDLE hStdIn;
    DWORD dwMode;
    bool Captured=false;

    hStdIn = GetStdHandle(STD_INPUT_HANDLE);
    dwMode = ENABLE_WINDOW_INPUT | ENABLE_MOUSE_INPUT;

    if( SetConsoleMode( hStdIn, dwMode | ENABLE_MOUSE_INPUT) == TRUE)

        GetConsoleMode(hStdIn, &dwMode);
        SetConsoleMode(hStdIn, (dwMode & (ENABLE_MOUSE_INPUT)));

        // grab the handle to the console so i can use it
        //OutputH = GetStdHandle(STD_OUTPUT_HANDLE);
        //printf("Strated"); //Debug line.

        do
        {
            PeekConsoleInput(hStdIn, &Inrec, 1, &evRead);

            if( evRead )
            {
                ReadConsoleInput(hStdIn, &Inrec, 1, &evRead);
                x= Inrec.Event.MouseEvent.dwMousePosition.X ;
                y= Inrec.Event.MouseEvent.dwMousePosition.Y ;
                switch (Inrec.EventType )
                {

                case MOUSE_EVENT:
                    {
                        Captured = true;
                        gotoXY(33,8);
                        std::cout << "x->  " << x << " ";
                        gotoXY(43,8);
                        std::cout << "y->  " << y << " ";
                        break;
                    }
                }
            }

        }while(!Captured);

    if((x==33 && y==10) && mer.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED)
    {
        gotoXY(47,10);
        std::cout << "\xFB";
        gotoXY(33,21);
        std::cout << "You picked menu one";
        Sleep(1200);
        gotoXY(47,10);
        std::cout << " ";
        gotoXY(33,21);
        std::cout << "                   ";
    }
    if((x==33 && y==12) && mer.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED)
    {
        gotoXY(47,12);
        std::cout << "\xFB";
        gotoXY(33,21);
        std::cout << "You picked menu two";
        Sleep(1200);
        gotoXY(47,12);
        std::cout << " ";
        gotoXY(33,21);
        std::cout << "                   ";
    }
    if((x==33 && y==14) && mer.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED)
    {
        gotoXY(47,14);
        std::cout << "\xFB";
        gotoXY(33,21);
        std::cout << "You picked menu three";
        Sleep(1200);
        gotoXY(47,14);
        std::cout << " ";
        gotoXY(33,21);
        std::cout << "                     ";
    }
    if((x==33 && y==16) && mer.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED)
    {
        gotoXY(40,16);
        std::cout << "\xFB";
        gotoXY(33,21);
        std::cout << "You picked Quit";
        Sleep(1200);
        gotoXY(40,16);
        std::cout << " ";
        gotoXY(28,21);
        exit(0);
    }
}

VOID ResizeEventProc(WINDOW_BUFFER_SIZE_RECORD wbsr)
{
    printf("Resize event\n");
    printf("Console screen buffer is %d columns by %d rows.\n", wbsr.dwSize.X, wbsr.dwSize.Y);
}

void gotoXY(int x, int y)
{
    CursorPosition.X = x;
    CursorPosition.Y = y;
    SetConsoleCursorPosition(console,CursorPosition);
}*/