///// Program Name:KeyMouse.cpp// Programer: skyline// Description: Show how to trap keyboard and mouse input///

#define STRICT #define WIN32_LEAN_AND_MEAN

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

#pragma warning (disable:4068)#pragma warning (disable:4100)

//-----------------------------// Interface//-----------------------------

// Some variabls

static int Xval=10;static int Yval=30;static char szAppName[]="KeyMouse";static HWND MainWindow;          

// Some procs

LRESULT CALLBACK WndProc(HWND hwnd,UINT Message,         WPARAM wParam,LPARAM lParam);BOOL Register(HINSTANCE hInst);HWND Create(HINSTANCE hInst,int nCmdShow);

#define skyline_DefProc DefWindowProc

void skyline_OnDestroy(HWND hwnd);void skyline_OnChar(HWND hwnd,UINT ch,int cRepeat);void skyline_OnKey(HWND hwnd,UINT vk,BOOL fDown,int cRepeat,UINT flags);void skyline_OnLButtonDown(HWND hwnd,BOOL fDoubleCick,int x,int y,UINT KeyFlags);void skyline_OnLButtonUp(HWND hwnd,int x,int y,UINT KeyFlags);void skyline_OnMouseMove(HWND hwnd,int x,int y,UINT KeyFlags);void skyline_OnPaint(HWND hwnd);void skyline_OnSysKey(HWND hwnd,UINT vk,BOOL fDown,int cRepeat,UINT flags);

//-----------------------// Initalization//-----------------------

///// Program entry point.///

#pragma argsused                                         

int WINAPI WinMain(HINSTANCE hInst,HINSTANCE hPrevInstance,       LPSTR lpszCmdParam,int nCmdShow){    MSG Msg;

if (! hPrevInstance)if (! Register(hInst)) return FALSE; 

    MainWindow = Create(hInst,nCmdShow);if(! MainWindow)return FALSE;

while(GetMessage(&Msg,NULL,0,0))    { TranslateMessage(&Msg); DispatchMessage(&Msg);                  }return Msg.wParam;}

// Register the window

BOOL Register(HINSTANCE hInst){    WNDCLASS WndClass;

    WndClass.style = CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS;    WndClass.lpfnWndProc = WndProc;    WndClass.cbClsExtra = 0;    WndClass.cbWndExtra = 0;    WndClass.hInstance = hInst;    WndClass.hIcon = LoadIcon(NULL,IDI_APPLICATION);    WndClass.hCursor = LoadCursor(NULL,IDC_ARROW);    WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);    WndClass.lpszMenuName = NULL;    WndClass.lpszClassName = szAppName;

return RegisterClass(&WndClass);}

// Create the Window

HWND Create(HINSTANCE hInstance,int nCmdShow){    HWND hwnd = CreateWindowEx (0,szAppName,szAppName, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,CW_USEDEFAULT, CW_USEDEFAULT,CW_USEDEFAULT, NULL,NULL,hInstance,NULL);if(hwnd == NULL)return hwnd;

    ShowWindow(hwnd,nCmdShow);    UpdateWindow(hwnd);

return hwnd;}

//----------------------------// WndProc and Implementation//----------------------------

//// The WindowProcedured//

LRESULT CALLBACK WndProc(HWND hwnd,UINT Message, WPARAM wParam,LPARAM lParam)  { switch(Message)    {   HANDLE_MSG(hwnd,WM_DESTROY,skyline_OnDestroy);   HANDLE_MSG(hwnd,WM_CHAR,skyline_OnChar);   HANDLE_MSG(hwnd,WM_KEYDOWN,skyline_OnKey);   HANDLE_MSG(hwnd,WM_KEYUP,skyline_OnKey);   HANDLE_MSG(hwnd,WM_MOUSEMOVE,skyline_OnMouseMove);  HANDLE_MSG(hwnd,WM_LBUTTONDBLCLK,skyline_OnLButtonDown);   HANDLE_MSG(hwnd,WM_LBUTTONDOWN,skyline_OnLButtonDown);   HANDLE_MSG(hwnd,WM_LBUTTONUP,skyline_OnLButtonUp);   HANDLE_MSG(hwnd,WM_PAINT,skyline_OnPaint);   HANDLE_MSG(hwnd,WM_SYSKEYUP,skyline_OnSysKey);   HANDLE_MSG(hwnd,WM_SYSKEYDOWN,skyline_OnSysKey);

default:return skyline_DefProc(hwnd,Message,wParam,lParam);    }}

///// Handle WM_DESTROY///

#pragma argsusedvoid skyline_OnDestroy(HWND hwnd){    PostQuitMessage(0);}

///// Handle regular keyboard hits// Use if you want to trap the letter keys or number keys.///

#pragma argsusedvoid skyline_OnChar(HWND hwnd,UINT ch,int cRepeat){char S[100];

    HDC DC = GetDC(hwnd);

    sprintf(S,"WM_CHAR ==> Char = %c  cRepeat = %d         ", ch,cRepeat);    TextOut(DC,Xval,Yval+20,S,strlen(S));

    ReleaseDC(hwnd,DC);}

///// Handle a key press// Don't try to process letter keys or number keys here.// Instead, ues WM_CHAR messages.///

#pragma argsusedvoid skyline_OnKey(HWND hwnd,UINT vk,BOOL fDown,int cRepeat,UINT flags){char S[100];

    HDC DC = GetDC(hwnd);

if(fDown)        sprintf(S,"WM_KEYDOWN ==> VK = %d  fDown = %d  cRepeat = %d  ""Flags = %d         ",vk,fDown,cRepeat,flags);else sprintf(S,"WM_KEYUP ==> VK = %d  fDown = %d  cRepeat = %d  ""Flags = %d         ",vk,fDown,cRepeat,flags);

    SetBkColor(DC,GetSysColor(COLOR_WINDOW));    TextOut(DC,Xval,Yval+40,S,strlen(S));

    ReleaseDC(hwnd,DC);}

///// This function is called when the left mouse button is// click or when the user double-clicks the mouse///

#pragma argsusedvoid skyline_OnLButtonDown(HWND hwnd,BOOL fDoubleClick,int x,int y,UINT KeyFlags){char S[100];

    HDC DC = GetDC(hwnd);

if(fDoubleClick)        sprintf(S,"WM_LBUTTONDBLCLK ==> DblClk = %d  X = %d  Y = %d  ""Flags = %d         ",fDoubleClick,x,y,KeyFlags);else sprintf(S,"WM_LBUTTONDOWN ==> Down = %d  X = %d  Y = %d  ""Flags = %d         ",fDoubleClick,x,y,KeyFlags);

    SetBkColor(DC,GetSysColor(COLOR_WINDOW));    TextOut(DC,Xval,Yval+100,S,strlen(S));

    ReleaseDC(hwnd,DC);}

///// This function is called when the mouse button is released///

#pragma argsusedvoid skyline_OnLButtonUp(HWND hwnd,int x,int y,UINT KeyFlags){char S[100];

    HDC DC = GetDC(hwnd);

    sprintf(S,"WM_LBUTTONUP ==> X = %d  Y = %d  ""Flag = %d         ",x,y,KeyFlags);

    SetBkColor(DC,GetSysColor(COLOR_WINDOW));    TextOut(DC,Xval,Yval+120,S,strlen(S));

    ReleaseDC(hwnd,DC);}

///// This function is called whenever the mouse moves///

#pragma argsusedvoid skyline_OnMouseMove(HWND hwnd,int x,int y,UINT KeyFlags){char S[100];

    HDC DC = GetDC(hwnd);

    sprintf(S,"WM_MOUSEMOVE ==> X = %d  Y = %d  ""KeyFlags = %d         ",x,y,KeyFlags);

if((KeyFlags & MK_CONTROL) == MK_CONTROL)  SetTextColor(DC,RGB(0,0,255));if((KeyFlags & MK_LBUTTON) == MK_LBUTTON)  SetTextColor(DC,RGB(0,128,0));if((KeyFlags & MK_RBUTTON) == MK_RBUTTON)  SetTextColor(DC,RGB(152,84,95));if((KeyFlags & MK_SHIFT) == MK_SHIFT)  SetTextColor(DC,RGB(196,0,196));

    SetBkColor(DC,GetSysColor(COLOR_WINDOW));    TextOut(DC,Xval,Yval+80,S,strlen(S));

    ReleaseDC(hwnd,DC);}

///// Handle WM_PAINT messages///

void skyline_OnPaint(HWND hwnd){    PAINTSTRUCT PaintStruct;    RECT Rect;

static char * Message[] =    {"WM_CHAR","WM_KEY","WM_SYSKEY","WM_MOUSEMOVE","WM_MOUSEDOWN","WM_MOUSEUP"    };

    HDC PaintDC = BeginPaint(hwnd,&PaintStruct);

    SetBkColor(PaintDC,GetSysColor(COLOR_WINDOW));    HFONT OldFont = SelectFont(PaintDC,  GetStockObject(OEM_FIXED_FONT));

    GetClientRect(hwnd,&Rect);    Rect.top = 5;    DrawText(PaintDC,"Mouse and Keyboard Demonstration",-1,  &Rect,DT_CENTER);    Rect.top = 20;    Rect.bottom = 40;    DrawText(PaintDC,"Try experimenting with mouse and keyboard.",-1,  &Rect,DT_CENTER);

    SelectFont(PaintDC,OldFont);

for(int i=0;i<6;i++)  TextOut(PaintDC,Xval,Yval+(20*(i+1)),  Message[i],strlen(Message[i]));

    EndPaint(hwnd,&PaintStruct);}

///// This function is called whenever the ALT key is pressed.///

#pragma argsusedvoid skyline_OnSysKey(HWND hwnd,UINT vk,BOOL fDown,int cRepeat,UINT flags){char S[100];

    HDC DC = GetDC(hwnd);    SetBkColor(DC,GetSysColor(COLOR_WINDOW));

if(fDown)    { sprintf(S,"WM_SYSKEYDOWN ==> VK = %d  fDown = %d  ""cRepeat = %d         ",vk,fDown,cRepeat,flags); TextOut(DC,Xval,Yval+60,S,strlen(S)); FORWARD_WM_SYSKEYUP(hwnd,vk,cRepeat,flags,skyline_DefProc);    }else    { sprintf(S,"WM_SYSKEYUP ==> VK = %d  fDown = %d  ""cRepeat = %d         ",vk,fDown,cRepeat,flags); TextOut(DC,Xval,Yval+60,S,strlen(S)); FORWARD_WM_SYSKEYUP(hwnd,vk,cRepeat,flags,skyline_DefProc);    }

    ReleaseDC(hwnd,DC);}