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Группа: Комодератор
Сообщений: 1460
Регистрация: 5.3.2007
Где: Москва
Репутация: 16
Всего: 95
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ИванМ, в продолжение совета Цитата(maxim1000 @ 20.12.2008, 23:06  ) | | смотреть перенаправление стандартного вывода в pipe |
накидал пример на коленке (не без огрехов, но лень извращаться, идея должна быть понятна): | Код | #include <windows.h>
/* Declare Windows procedure */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
/* Make the class name into a global variable */
char szClassName[ ] = "CodeBlocksWindowsApp";
//char app_param[] = "ping 127.0.0.1 -t";
char app_param[] = "ping";
#define BUFFER_SIZE 1024
#define EDIT_BUFFER_SIZE 65535
#define bzero(a) memset(a,0,sizeof(a))
char buf[BUFFER_SIZE];
char ebuf[EDIT_BUFFER_SIZE];
unsigned long bread; //кол-во прочитанных байт
unsigned long avail; //кол-во доступных байт
const int ID_MYBUTTON = 0x111;
const int ID_MYEDIT = 0x112;
STARTUPINFO si;
PROCESS_INFORMATION pi;
int WINAPI WinMain (HINSTANCE hThisInstance,
HINSTANCE hPrevInstance,
LPSTR lpszArgument,
int nCmdShow)
{
HWND hwnd; /* This is the handle for our window */
MSG messages; /* Here messages to the application are saved */
WNDCLASSEX wincl; /* Data structure for the windowclass */
HWND hButton;
HWND hEdit;
SECURITY_ATTRIBUTES sa;
SECURITY_DESCRIPTOR sd; //структура security для пайпов
HANDLE newstdout,read_stdout; //дескрипторы
// пайпов
InitializeSecurityDescriptor(&sd,SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl(&sd, true, NULL, false);
sa.lpSecurityDescriptor = &sd;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = true; //разрешаем наследование дескрипторов
if (!CreatePipe(&read_stdout,&newstdout,&sa,0)) return 0;
GetStartupInfo(&si); //создаем startupinfo для
// дочернего процесса
si.dwFlags = STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;
si.wShowWindow = SW_HIDE;
si.hStdOutput = newstdout;
si.hStdError = newstdout;
si.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
/* The Window structure */
wincl.hInstance = hThisInstance;
wincl.lpszClassName = szClassName;
wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */
wincl.style = CS_DBLCLKS; /* Catch double-clicks */
wincl.cbSize = sizeof (WNDCLASSEX);
/* Use default icon and mouse-pointer */
wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
wincl.lpszMenuName = NULL; /* No menu */
wincl.cbClsExtra = 0; /* No extra bytes after the window class */
wincl.cbWndExtra = 0; /* structure or the window instance */
/* Use Windows's default colour as the background of the window */
wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
/* Register the window class, and if it fails quit the program */
if (!RegisterClassEx (&wincl))
return 0;
/* The class is registered, let's create the program*/
hwnd = CreateWindowEx (
0, /* Extended possibilites for variation */
szClassName, /* Classname */
"Code::Blocks Template Windows App", /* Title Text */
WS_OVERLAPPEDWINDOW, /* default window */
CW_USEDEFAULT, /* Windows decides the position */
CW_USEDEFAULT, /* where the window ends up on the screen */
450, /* The programs width */
440, /* and height in pixels */
HWND_DESKTOP, /* The window is a child-window to desktop */
NULL, /* No menu */
hThisInstance, /* Program Instance handler */
NULL /* No Window Creation data */
);
hButton = CreateWindowEx (
0, /* Extended possibilites for variation */
"BUTTON", /* Classname */
"Test Button", /* Title Text */
WS_CHILD | WS_VISIBLE, /* default window */
10, /* Windows decides the position */
360, /* where the window ends up on the screen */
430, /* The programs width */
40, /* and height in pixels */
hwnd, /* The window is a child-window to desktop */
NULL, /* No menu */
hThisInstance, /* Program Instance handler */
NULL /* No Window Creation data */
);
SetWindowLong(hButton,GWL_ID,ID_MYBUTTON);
hEdit = CreateWindowEx (
0, /* Extended possibilites for variation */
"EDIT", /* Classname */
"Test Edit", /* Title Text */
WS_CHILD | WS_VISIBLE | WS_BORDER | ES_MULTILINE |WS_VSCROLL, /* default window */
10, /* Windows decides the position */
10, /* where the window ends up on the screen */
430, /* The programs width */
350, /* and height in pixels */
hwnd, /* The window is a child-window to desktop */
NULL, /* No menu */
hThisInstance, /* Program Instance handler */
NULL /* No Window Creation data */
);
SetWindowLong(hEdit,GWL_ID,ID_MYEDIT);
/* Make the window visible on the screen */
ShowWindow (hwnd, nCmdShow);
/* Run the message loop. It will run until GetMessage() returns 0 */
while (GetMessage (&messages, NULL, 0, 0))
{
PeekNamedPipe(read_stdout,buf,BUFFER_SIZE,&bread,&avail,NULL);
//Проверяем, есть ли данные для чтения в stdout
if (bread != 0)
{
bzero(buf);
if (avail > BUFFER_SIZE-1)
{
while (bread >= BUFFER_SIZE -1)
{
ReadFile(read_stdout,buf,BUFFER_SIZE -1,&bread,NULL); //читаем из
// пайпа stdout
MessageBox(0,buf,"123",0);
bzero(buf);
}
}
else {
bzero(ebuf);
ReadFile(read_stdout,buf,BUFFER_SIZE-1,&bread,NULL);
SendMessage(hEdit,WM_GETTEXT,EDIT_BUFFER_SIZE,(LPARAM)ebuf);
strcat(ebuf,buf);
SendMessage(hEdit,WM_SETTEXT,0,(LPARAM)ebuf);
}
}
/* Translate virtual-key messages into character messages */
TranslateMessage(&messages);
/* Send message to WindowProcedure */
DispatchMessage(&messages);
}
CloseHandle(newstdout);
CloseHandle(read_stdout);
/* The program return-value is 0 - The value that PostQuitMessage() gave */
return messages.wParam;
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) /* handle the messages */
{
case WM_COMMAND:
if ((LOWORD(wParam)==ID_MYBUTTON)&&(HIWORD(wParam)==BN_CLICKED))
{
//создаем дочерний процесс
SendDlgItemMessage(hwnd,ID_MYEDIT, WM_SETTEXT,0,(LPARAM)&(""));
if (!CreateProcess(NULL,app_param,NULL,NULL,TRUE,CREATE_NEW_CONSOLE,
NULL,NULL,&si,&pi))
{
MessageBox(0,"Failed to start process","Error",0);
return 0;
}
Sleep(200); // Чтобы успело начать отрабатывать
SendMessage(hwnd,WM_PAINT,0,0); // Для того, чтобы обновился цикл GetMessage
}
break;
case WM_DESTROY:
PostQuitMessage (0); /* send a WM_QUIT to the message queue */
break;
default: /* for messages that we don't deal with */
return DefWindowProc (hwnd, message, wParam, lParam);
}
return 0;
} |
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самурай без меча подобен самураю с мечом, но только без меча |
[C++, WinAPI] Чтение с консоли 
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