电脑日使用时间
一：目的
累计电脑日使用时间，超过8小时候提醒：请注意休息！
二：要点
三：实现
四：源代码
#include <windows.h>
LRESULT CALLBACK WinProc(HWND,UINT,WPARAM,LPARAM);
void auto_run();
UINT second,minute,hour,day,month;
int font_size,window_width;
DWORD dw; //打杂的
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{
auto_run();
day=GetPrivateProfileInt("Section0","Day",0,"time.ini");
SYSTEMTIME st;
GetSystemTime(&st);
if(day != st.wDay) second,minute,hour=0;
else{
hour=GetPrivateProfileInt("Section0","Hour",0,"time.ini");
minute=GetPrivateProfileInt("Section0","Minute",0,"time.ini");
}
font_size = GetSystemMetrics(SM_CYSCREEN)/30;
window_width=font_size*6;
WNDCLASS wc;
wc.style=CS_HREDRAW|CS_VREDRAW;
wc.lpfnWndProc=(WNDPROC)WinProc;
wc.cbClsExtra=0;
wc.cbWndExtra=0;
wc.hInstance=hInstance;
wc.hIcon=LoadIcon(NULL,IDI_APPLICATION);
wc.hCursor=LoadCursor(NULL,IDC_ARROW);
wc.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wc.lpszMenuName=NULL;
wc.lpszClassName="MyWindow";
RegisterClass(&wc);//WS_EX_TOOLWINDOW风格可以使得不在任务栏上显示
HWND hwnd=CreateWindowEx(WS_EX_TOOLWINDOW,"MyWindow","My Window",WS_POPUP,
GetSystemMetrics(SM_CXSCREEN)-window_width,0,window_width,100,
NULL,NULL,hInstance,NULL);
if(!hwnd) return false;
/*增加窗口透明属性*/ /*动态调用SetLayeredWindowAttributes，使窗口透明*/
LONG l = GetWindowLong(hwnd,GWL_EXSTYLE);
SetWindowLong(hwnd,GWL_EXSTYLE,l^0x00080000);
HINSTANCE hInst = LoadLibrary("User32.DLL");
if(hInst)
{
typedef BOOL (WINAPI *MYFUNC)(HWND,COLORREF,BYTE,DWORD);
MYFUNC fun = NULL;
//取得SetLayeredWindowAttributes函数指针
fun=(MYFUNC)GetProcAddress(hInst, "SetLayeredWindowAttributes");
if(fun) fun(hwnd,RGB(255,255,255),50,1);
FreeLibrary(hInst);
}
///////////////////////////////////////////
ShowWindow(hwnd,nShowCmd);
UpdateWindow(hwnd);
MSG msg;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WinProc(HWND h,UINT msg,WPARAM wParam,LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
HFONT hFont;
char str[20],str2[20];
SYSTEMTIME st;
switch(msg)
{
case WM_TIMER:
second+=1;
//hour+=1; 调试用
if(second==60){
second=0;minute+=1;
InvalidateRect(h,NULL,false);
wsprintf(str,"%d",hour);
WritePrivateProfileString("Section0","Hour",str,"time.ini");
wsprintf(str,"%d",minute);
WritePrivateProfileString("Section0","Minute",str,"time.ini");
GetSystemTime(&st);
if(st.wDay!=day || day==0){
wsprintf(str,"%d%02d%02d",st.wYear,st.wMonth,st.wDay);
wsprintf(str2,"%02d%02d",hour,minute);
WritePrivateProfileString("Section1",str,str2,"time.ini");
day=st.wDay;
}
wsprintf(str,"%d",st.wDay);
WritePrivateProfileString("Section0","Day",str,"time.ini");
}
if(minute==60){minute=0;hour+=1;}
return 0;
case WM_CREATE:
SetTimer(h,0,1000,NULL);
return 0;
case WM_PAINT:
hdc=BeginPaint(h,&ps);
GetClientRect(h,&rect);
if(hour<8) wsprintf(str,"%02d:%02d",hour,minute);
else wsprintf(str,"%02d:%02d\n请注意休息！",hour,minute);
hFont = CreateFont(font_size,0,0,0,FW_SEMIBOLD,
0,0,0,
DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,DEFAULT_PITCH,NULL);
SelectObject(hdc,hFont);
if(hour<4) SetTextColor(hdc,RGB(0,255,0));
else if(hour>=4 && hour<8) SetTextColor(hdc,RGB(0,0,255));
else SetTextColor(hdc,RGB(255,0,0));
DrawText(hdc,str,-1,&rect,DT_LEFT);
DeleteObject(hFont);
EndPaint(h,&ps);
return 0;
// /* 调试用
case WM_KEYDOWN:
if(wParam==VK_ESCAPE){
MessageBox(h,"Escape!!!"," ",0);
KillTimer(h,0);
PostQuitMessage(0);
}
return 0;
// */
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(h,msg,wParam,lParam);
}
void auto_run()
{
HKEY hKey;
char str[100];
GetModuleFileName(NULL,str,100);
if(RegCreateKey(HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",
&hKey) != ERROR_SUCCESS)
{
MessageBox(NULL,"注册表操作失败！！！"," ",0);
return;
}
RegSetValueEx(hKey,"time",0,REG_SZ,( const BYTE *)str,strlen(str)+1);
RegCloseKey(hKey);
}