GetKeyState.c File Reference

#include "precomp.h"

Include dependency graph for GetKeyState.c:

Go to the source code of this file.

Functions
LRESULT CALLBACK	KeyboardProc (int code, WPARAM wParam, LPARAM lParam)
LRESULT CALLBACK	LowLevelKeyboardProc (int nCode, WPARAM wParam, LPARAM lParam)
static LRESULT CALLBACK	WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
static HWND	CreateTestWindow ()
void	Test_GetKeyState ()
	START_TEST (GetKeyState)

Variables
static HHOOK	hKbdHook
static HHOOK	hKbdLLHook

Function Documentation

CreateTestWindow()

static HWND CreateTestWindow ( )

static

Definition at line 66 of file GetKeyState.c.

{
    MSG msg;
    WNDCLASSA  wclass;
    HANDLE hInstance = GetModuleHandleA( NULL );
    HWND hWndTest;
 
    wclass.lpszClassName = "InputSysKeyTestClass";
    wclass.style         = CS_HREDRAW | CS_VREDRAW;
    wclass.lpfnWndProc   = WndProc;
    wclass.hInstance     = hInstance;
    wclass.hIcon         = LoadIconA( 0, IDI_APPLICATION );
    wclass.hCursor       = LoadCursorA( NULL, IDC_ARROW );
    wclass.hbrBackground = (HBRUSH)( COLOR_WINDOW + 1 );
    wclass.lpszMenuName = 0;
    wclass.cbClsExtra    = 0;
    wclass.cbWndExtra    = 0;
    RegisterClassA( &wclass );
    /* create the test window that will receive the keystrokes */
    hWndTest = CreateWindowA( wclass.lpszClassName, "InputSysKeyTest",
                              WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, 100, 100,
                              NULL, NULL, hInstance, NULL);
    assert( hWndTest );
    ShowWindow( hWndTest, SW_SHOW);
    SetWindowPos( hWndTest, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE );
    SetForegroundWindow( hWndTest );
    UpdateWindow( hWndTest);
 
    /* flush pending messages */
    while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessageA( &msg );
 
    return hWndTest;
}

Referenced by Test_GetKeyState().

KeyboardProc()

LRESULT CALLBACK KeyboardProc	(	int	code,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 12 of file GetKeyState.c.

{
    BOOL pressed = !(lParam & (1<<31));
    BOOL altPressed = lParam & (1<<29);
 
    if(pressed)
    {
        ok(altPressed,"\n");
        ok((GetKeyState(VK_MENU) & 0x8000), "Alt should not be pressed\n");\
        ok((GetKeyState(VK_LMENU) & 0x8000), "Left alt should not be pressed\n");\
    }
    else
    {
        ok(!altPressed,"\n");
        ok(!(GetKeyState(VK_MENU) & 0x8000), "Alt should be pressed\n");
        ok(!(GetKeyState(VK_LMENU) & 0x8000), "Left alt should be pressed\n");
    }
 
    return CallNextHookEx(hKbdHook, code, wParam, lParam);
}

Referenced by Test_GetKeyState().

LowLevelKeyboardProc()

LRESULT CALLBACK LowLevelKeyboardProc	(	int	nCode,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 33 of file GetKeyState.c.

{
    PKBDLLHOOKSTRUCT pLLHook = (PKBDLLHOOKSTRUCT)lParam;
 
    if(wParam == WM_SYSKEYDOWN)
    {
        ok(pLLHook->flags & LLKHF_ALTDOWN,"Didn't get LLKHF_ALTDOWN flag\n");
        ok((GetAsyncKeyState (VK_MENU) & 0x8000), "Alt should not be pressed in global kbd status\n");
        ok(!(GetKeyState(VK_MENU) & 0x8000), "Alt should not be pressed in queue state\n");
        ok(!(GetAsyncKeyState (VK_LMENU) & 0x8000), "Left alt should not be pressed in global kbd status\n");
        ok(!(GetKeyState(VK_LMENU) & 0x8000), "Left alt should not be pressed in queue state\n");
    }
    else if(wParam == WM_SYSKEYUP)
    {
        ok(!(pLLHook->flags & LLKHF_ALTDOWN),"got LLKHF_ALTDOWN flag\n");
        ok(!(GetAsyncKeyState (VK_MENU) & 0x8000), "Alt should not be pressed in global kbd status\n");
        ok((GetKeyState(VK_MENU) & 0x8000), "Alt should be pressed in queue state\n");
        ok(!(GetAsyncKeyState (VK_LMENU) & 0x8000), "Left alt should not be pressed in global kbd status\n");
        ok((GetKeyState(VK_LMENU) & 0x8000), "Left alt should be pressed in queue state\n");
    }
 
    return CallNextHookEx(hKbdLLHook, nCode, wParam, lParam);
}

Referenced by Test_GetKeyState().

START_TEST()

START_TEST

(

GetKeyState

)

Definition at line 130 of file GetKeyState.c.

{
    Test_GetKeyState();
}

Test_GetKeyState()

void Test_GetKeyState

(

)

Definition at line 100 of file GetKeyState.c.

{
    HWND hwnd;
    MSG msg;
 
    hwnd = CreateTestWindow();
 
    hKbdHook = SetWindowsHookEx(WH_KEYBOARD, KeyboardProc, GetModuleHandleA( NULL ), 0);
    hKbdLLHook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, GetModuleHandleA( NULL ), 0);
 
    ok(hKbdHook != NULL, "\n");
    ok(hKbdLLHook != NULL, "\n");
 
    keybd_event(VK_LMENU, 0, 0,0);
 
    while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessageA( &msg );
 
    keybd_event(VK_LMENU, 0, KEYEVENTF_KEYUP,0);
 
    //fixme this hangs the test
    //while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE|PM_NOYIELD )) DispatchMessageA( &msg );
 
    DestroyWindow(hwnd);
 
    while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessageA( &msg );
 
    UnhookWindowsHookEx (hKbdHook);
    UnhookWindowsHookEx (hKbdLLHook);
}

Referenced by START_TEST().

WndProc()

static LRESULT CALLBACK WndProc ( HWND  hWnd, UINT  msg, WPARAM  wParam, LPARAM  lParam  )

static

Definition at line 57 of file GetKeyState.c.

{
    if(msg == WM_SYSKEYDOWN)
    {
        ok(wParam == VK_MENU, "Got wrong wParam in WM_SYSKEYDOWN (%d instead of %d)\n", wParam, VK_MENU );
    }
    return DefWindowProcA( hWnd, msg, wParam, lParam );
}

Referenced by CreateTestWindow().

Variable Documentation

hKbdHook

HHOOK hKbdHook

static

Definition at line 10 of file GetKeyState.c.

Referenced by KeyboardProc(), and Test_GetKeyState().

hKbdLLHook

HHOOK hKbdLLHook

static

Definition at line 10 of file GetKeyState.c.

Referenced by LowLevelKeyboardProc(), and Test_GetKeyState().