closewnd.h File Reference

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Classes
struct	WINDOW_LIST

Macros
#define	WaitForWindow(hWnd, Func, Seconds)    for (UINT waited = 0; !Func(hWnd) && waited < (Seconds) * 1000; waited += 250) Sleep(250);

Typedefs
typedef struct WINDOW_LIST	WINDOW_LIST
typedef struct WINDOW_LIST *	PWINDOW_LIST

Functions
static BOOL	WaitForForegroundWindow (HWND hWnd, UINT wait=500)
static VOID	FreeWindowList (PWINDOW_LIST pList)
static BOOL CALLBACK	EnumWindowsProc (HWND hwnd, LPARAM lParam)
static VOID	GetWindowList (PWINDOW_LIST pList)
static VOID	GetWindowListForClose (PWINDOW_LIST pList)
static HWND	FindInWindowList (const WINDOW_LIST &list, HWND hWnd)
static BOOL	SendAltF4Input ()
static VOID	CloseNewWindows (PWINDOW_LIST pExisting, PWINDOW_LIST pNew)
static HWND	FindNewWindow (PWINDOW_LIST List1, PWINDOW_LIST List2)
static BOOL CALLBACK	CountVisibleWindowsProc (HWND hwnd, LPARAM lParam)
static INT	GetWindowCount (VOID)

Macro Definition Documentation

WaitForWindow

#define WaitForWindow	(		hWnd,
			Func,
			Seconds
	)		for (UINT waited = 0; !Func(hWnd) && waited < (Seconds) * 1000; waited += 250) Sleep(250);

Definition at line 10 of file closewnd.h.

Typedef Documentation

PWINDOW_LIST

typedef struct WINDOW_LIST * PWINDOW_LIST

WINDOW_LIST

typedef struct WINDOW_LIST WINDOW_LIST

Function Documentation

CloseNewWindows()

static VOID CloseNewWindows ( PWINDOW_LIST  pExisting, PWINDOW_LIST  pNew  )

inlinestatic

Definition at line 101 of file closewnd.h.

{
    for (SIZE_T i = 0; i < pNew->m_chWnds; ++i)
    {
        HWND hWnd = pNew->m_phWnds[i];
        if (!IsWindowVisible(hWnd) || FindInWindowList(*pExisting, hWnd))
            continue;
 
        SwitchToThisWindow(hWnd, TRUE);
        WaitForForegroundWindow(hWnd); // SetForegroundWindow may take some time
        DWORD_PTR result;
        if (!SendMessageTimeoutW(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0, SMTO_ABORTIFHUNG, 3000, &result) &&
            !PostMessageW(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0))
        {
            if (WaitForForegroundWindow(hWnd)) // We can't fake keyboard input if the target is not foreground
            {
                SendAltF4Input();
                WaitForWindow(hWnd, IsWindowVisible, 1); // Closing a window may take some time
            }
 
            if (IsWindowVisible(hWnd))
            {
                CHAR szClass[64];
                GetClassNameA(hWnd, szClass, _countof(szClass));
                trace("Unable to close window %p (%s)\n", hWnd, szClass);
            }
        }
    }
}

Referenced by CloseNotepad(), CloseWindow(), START_TEST(), TEST_DoTestEntry(), TEST_End(), and TEST_ShellExecCmdLine().

CountVisibleWindowsProc()

static BOOL CALLBACK CountVisibleWindowsProc ( HWND  hwnd, LPARAM  lParam  )

inlinestatic

Definition at line 165 of file closewnd.h.

{
    if (!IsWindowVisible(hwnd))
        return TRUE;
 
    *(PINT)lParam += 1;
    return TRUE;
}

Referenced by GetWindowCount().

EnumWindowsProc()

static BOOL CALLBACK EnumWindowsProc ( HWND  hwnd, LPARAM  lParam  )

inlinestatic

Definition at line 39 of file closewnd.h.

{
    if (!IsWindowVisible(hwnd))
        return TRUE;
 
    PWINDOW_LIST pList = (PWINDOW_LIST)lParam;
    SIZE_T cb = (pList->m_chWnds + 1) * sizeof(HWND);
    HWND *phWnds = (HWND *)realloc(pList->m_phWnds, cb);
    if (!phWnds)
        return FALSE;
    phWnds[pList->m_chWnds++] = hwnd;
    pList->m_phWnds = phWnds;
    return TRUE;
}

Referenced by GetWindowList().

FindInWindowList()

static HWND FindInWindowList ( const WINDOW_LIST &  list, HWND  hWnd  )

inlinestatic

Definition at line 80 of file closewnd.h.

{
    for (SIZE_T i = 0; i < list.m_chWnds; ++i)
    {
        if (list.m_phWnds[i] == hWnd)
            return hWnd;
    }
    return NULL;
}

Referenced by CloseNewWindows(), and CloseWindow().

FindNewWindow()

static HWND FindNewWindow ( PWINDOW_LIST  List1, PWINDOW_LIST  List2  )

inlinestatic

Definition at line 141 of file closewnd.h.

{
    for (SIZE_T i2 = 0; i2 < List2->m_chWnds; ++i2)
    {
        HWND hWnd = List2->m_phWnds[i2];
        if (!IsWindowEnabled(hWnd) || !IsWindowVisible(hWnd))
            continue;
 
        BOOL bFoundInList1 = FALSE;
        for (SIZE_T i1 = 0; i1 < List1->m_chWnds; ++i1)
        {
            if (hWnd == List1->m_phWnds[i1])
            {
                bFoundInList1 = TRUE;
                break;
            }
        }
 
        if (!bFoundInList1)
            return hWnd;
    }
    return NULL;
}

Referenced by CloseNotepad().

FreeWindowList()

static VOID FreeWindowList ( PWINDOW_LIST  pList )

inlinestatic

Definition at line 32 of file closewnd.h.

{
    free(pList->m_phWnds);
    pList->m_phWnds = NULL;
    pList->m_chWnds = 0;
}

Referenced by CloseNotepad(), GetWindowListForClose(), START_TEST(), TEST_DoTestEntry(), TEST_End(), and TEST_ShellExecCmdLine().

GetWindowCount()

static INT GetWindowCount ( VOID  )

inlinestatic

Definition at line 174 of file closewnd.h.

{
    INT nCount = 0;
    EnumWindows(CountVisibleWindowsProc, (LPARAM)&nCount);
    return nCount;
}

Referenced by TEST_End().

GetWindowList()

static VOID GetWindowList ( PWINDOW_LIST  pList )

inlinestatic

Definition at line 54 of file closewnd.h.

{
    pList->m_phWnds = NULL;
    pList->m_chWnds = 0;
    EnumWindows(EnumWindowsProc, (LPARAM)pList);
}

Referenced by CloseNotepad(), GetWindowListForClose(), START_TEST(), TEST_DoTestEntry(), TEST_End(), TEST_ShellExecCmdLine(), and TEST_Start().

GetWindowListForClose()

static VOID GetWindowListForClose ( PWINDOW_LIST  pList )

inlinestatic

Definition at line 61 of file closewnd.h.

{
    WINDOW_LIST list;
    pList->m_phWnds = NULL;
    pList->m_chWnds = 0;
    for (SIZE_T tries = 5, count; tries--;)
    {
        if (tries)
            FreeWindowList(pList);
        GetWindowList(pList);
        Sleep(250);
        GetWindowList(&list);
        count = list.m_chWnds;
        FreeWindowList(&list);
        if (count == pList->m_chWnds)
            break;
    }
}

SendAltF4Input()

static BOOL SendAltF4Input ( )

inlinestatic

Definition at line 90 of file closewnd.h.

{
    INPUT inputs[4];
    ZeroMemory(&inputs, sizeof(inputs));
    inputs[0].type = inputs[1].type = inputs[2].type = inputs[3].type = INPUT_KEYBOARD;
    inputs[0].ki.wVk = inputs[3].ki.wVk = VK_LMENU;
    inputs[1].ki.wVk = inputs[2].ki.wVk = VK_F4;
    inputs[2].ki.dwFlags = inputs[3].ki.dwFlags = KEYEVENTF_KEYUP;
    return SendInput(_countof(inputs), inputs, sizeof(INPUT)) == _countof(inputs);
}

Referenced by CloseNewWindows().

WaitForForegroundWindow()

static BOOL WaitForForegroundWindow ( HWND  hWnd, UINT  wait = 500  )

static

Definition at line 13 of file closewnd.h.

{
    for (UINT waited = 0, interval = 50; waited < wait; waited += interval)
    {
        if (GetForegroundWindow() == hWnd)
            return TRUE;
        if (IsWindowVisible(hWnd))
            Sleep(interval);
    }
    return FALSE;
}

Referenced by CloseNewWindows().