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reactos/dll/win32/user32/windows/input.c
Jérôme Gardou b2f64ac552 Sync with trunk (r49303) 
svn path=/branches/cmake-bringup/; revision=49307
2010-10-27 15:52:24 +00:00

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/*
* ReactOS kernel
* Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* PROJECT: ReactOS user32.dll
* FILE: dll/win32/user32/windows/input.c
* PURPOSE: Input
* PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
* UPDATE HISTORY:
* 09-05-2001 CSH Created
*/
/* INCLUDES ******************************************************************/
#include <user32.h>
#include <wine/debug.h>
WINE_DEFAULT_DEBUG_CHANNEL(user32);
/* GLOBALS *******************************************************************/
/* FUNCTIONS *****************************************************************/
/*
* @implemented
*/
BOOL
WINAPI
DragDetect(
HWND hWnd,
POINT pt)
{
#if 0
return NtUserDragDetect(hWnd, pt);
#else
MSG msg;
RECT rect;
POINT tmp;
ULONG dx = GetSystemMetrics(SM_CXDRAG);
ULONG dy = GetSystemMetrics(SM_CYDRAG);
rect.left = pt.x - dx;
rect.right = pt.x + dx;
rect.top = pt.y - dy;
rect.bottom = pt.y + dy;
SetCapture(hWnd);
for (;;)
{
while (
PeekMessageW(&msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE) ||
PeekMessageW(&msg, 0, WM_KEYFIRST, WM_KEYLAST, PM_REMOVE)
)
{
if (msg.message == WM_LBUTTONUP)
{
ReleaseCapture();
return FALSE;
}
if (msg.message == WM_MOUSEMOVE)
{
tmp.x = LOWORD(msg.lParam);
tmp.y = HIWORD(msg.lParam);
if (!PtInRect(&rect, tmp))
{
ReleaseCapture();
return TRUE;
}
}
if (msg.message == WM_KEYDOWN)
{
if (msg.wParam == VK_ESCAPE)
{
ReleaseCapture();
return TRUE;
}
}
}
WaitMessage();
}
return 0;
#endif
}
/*
* @implemented
*/
BOOL WINAPI
EnableWindow(HWND hWnd,
BOOL bEnable)
{
// This will soon be moved to win32k.
BOOL Update;
LONG Style = GetWindowLongPtrW(hWnd, GWL_STYLE);
/* check if updating is needed */
UINT bIsDisabled = (Style & WS_DISABLED);
Update = bIsDisabled;
if (bEnable)
{
Style &= ~WS_DISABLED;
}
else
{
Update = !bIsDisabled;
SendMessageW( hWnd, WM_CANCELMODE, 0, 0);
/* Remove keyboard focus from that window if it had focus */
if (hWnd == GetFocus())
{
SetFocus(NULL);
}
Style |= WS_DISABLED;
}
NtUserSetWindowLong(hWnd, GWL_STYLE, Style, FALSE);
if (Update)
{
IntNotifyWinEvent(EVENT_OBJECT_STATECHANGE, hWnd, OBJID_WINDOW, CHILDID_SELF, 0);
SendMessageW(hWnd, WM_ENABLE, (LPARAM)bEnable, 0);
}
// Return nonzero if it was disabled, or zero if it wasn't:
return bIsDisabled;
}
/*
* @implemented
*/
SHORT WINAPI
GetAsyncKeyState(int vKey)
{
if (vKey < 0 || vKey > 256)
return 0;
return (SHORT) NtUserGetAsyncKeyState((DWORD) vKey);
}
/*
* @implemented
*/
HKL WINAPI
GetKeyboardLayout(DWORD idThread)
{
return (HKL)NtUserCallOneParam((DWORD_PTR) idThread, ONEPARAM_ROUTINE_GETKEYBOARDLAYOUT);
}
/*
* @implemented
*/
UINT WINAPI
GetKBCodePage(VOID)
{
return GetOEMCP();
}
/*
* @implemented
*/
int WINAPI
GetKeyNameTextA(LONG lParam,
LPSTR lpString,
int nSize)
{
LPWSTR intermediateString =
HeapAlloc(GetProcessHeap(),0,nSize * sizeof(WCHAR));
int ret = 0;
UINT wstrLen = 0;
BOOL defChar = FALSE;
if( !intermediateString ) return 0;
ret = GetKeyNameTextW(lParam,intermediateString,nSize);
if( ret == 0 ) { lpString[0] = 0; return 0; }
wstrLen = wcslen( intermediateString );
ret = WideCharToMultiByte(CP_ACP, 0,
intermediateString, wstrLen,
lpString, nSize, ".", &defChar );
lpString[ret] = 0;
HeapFree(GetProcessHeap(),0,intermediateString);
return ret;
}
/*
* @implemented
*/
int WINAPI
GetKeyNameTextW(LONG lParam,
LPWSTR lpString,
int nSize)
{
return NtUserGetKeyNameText( lParam, lpString, nSize );
}
/*
* @implemented
*/
SHORT WINAPI
GetKeyState(int nVirtKey)
{
return (SHORT) NtUserGetKeyState((DWORD) nVirtKey);
}
/*
* @implemented
*/
BOOL WINAPI
GetKeyboardLayoutNameA(LPSTR pwszKLID)
{
WCHAR buf[KL_NAMELENGTH];
if (GetKeyboardLayoutNameW(buf))
return WideCharToMultiByte( CP_ACP, 0, buf, -1, pwszKLID, KL_NAMELENGTH, NULL, NULL ) != 0;
return FALSE;
}
/*
* @implemented
*/
BOOL WINAPI
GetKeyboardLayoutNameW(LPWSTR pwszKLID)
{
return NtUserGetKeyboardLayoutName( pwszKLID );
}
/*
* @implemented
*/
int WINAPI
GetKeyboardType(int nTypeFlag)
{
return (int)NtUserCallOneParam((DWORD_PTR) nTypeFlag, ONEPARAM_ROUTINE_GETKEYBOARDTYPE);
}
/*
* @implemented
*/
BOOL WINAPI
GetLastInputInfo(PLASTINPUTINFO plii)
{
return NtUserGetLastInputInfo(plii);
}
/*
* @implemented
*/
HKL WINAPI
LoadKeyboardLayoutA(LPCSTR pwszKLID,
UINT Flags)
{
return NtUserLoadKeyboardLayoutEx( NULL, 0, NULL, NULL, NULL,
strtoul(pwszKLID, NULL, 16),
Flags);
}
/*
* @implemented
*/
HKL WINAPI
LoadKeyboardLayoutW(LPCWSTR pwszKLID,
UINT Flags)
{
// Look at revision 25596 to see how it's done in windows.
// We will do things our own way. Also be compatible too!
return NtUserLoadKeyboardLayoutEx( NULL, 0, NULL, NULL, NULL,
wcstoul(pwszKLID, NULL, 16),
Flags);
}
/*
* @implemented
*/
UINT WINAPI
MapVirtualKeyA(UINT uCode,
UINT uMapType)
{
return MapVirtualKeyExA( uCode, uMapType, GetKeyboardLayout( 0 ) );
}
/*
* @implemented
*/
UINT WINAPI
MapVirtualKeyExA(UINT uCode,
UINT uMapType,
HKL dwhkl)
{
return MapVirtualKeyExW( uCode, uMapType, dwhkl );
}
/*
* @implemented
*/
UINT WINAPI
MapVirtualKeyExW(UINT uCode,
UINT uMapType,
HKL dwhkl)
{
return NtUserMapVirtualKeyEx( uCode, uMapType, 0, dwhkl );
}
/*
* @implemented
*/
UINT WINAPI
MapVirtualKeyW(UINT uCode,
UINT uMapType)
{
return MapVirtualKeyExW( uCode, uMapType, GetKeyboardLayout( 0 ) );
}
/*
* @implemented
*/
DWORD WINAPI
OemKeyScan(WORD wOemChar)
{
WCHAR p;
SHORT Vk;
UINT Scan;
MultiByteToWideChar(CP_OEMCP, 0, (PCSTR)&wOemChar, 1, &p, 1);
Vk = VkKeyScanW(p);
Scan = MapVirtualKeyW((Vk & 0x00ff), 0);
if(!Scan) return -1;
/*
Page 450-1, MS W2k SuperBible by SAMS. Return, low word has the
scan code and high word has the shift state.
*/
return ((Vk & 0xff00) << 8) | Scan;
}
/*
* @implemented
*/
BOOL WINAPI
SetDoubleClickTime(UINT uInterval)
{
return (BOOL)NtUserSystemParametersInfo(SPI_SETDOUBLECLICKTIME,
uInterval,
NULL,
0);
}
/*
* @implemented
*/
BOOL
WINAPI
SwapMouseButton(
BOOL fSwap)
{
return NtUserSwapMouseButton(fSwap);
}
/*
* @implemented
*/
int WINAPI
ToAscii(UINT uVirtKey,
UINT uScanCode,
CONST BYTE *lpKeyState,
LPWORD lpChar,
UINT uFlags)
{
return ToAsciiEx(uVirtKey, uScanCode, lpKeyState, lpChar, uFlags, 0);
}
/*
* @implemented
*/
int WINAPI
ToAsciiEx(UINT uVirtKey,
UINT uScanCode,
CONST BYTE *lpKeyState,
LPWORD lpChar,
UINT uFlags,
HKL dwhkl)
{
WCHAR UniChars[2];
int Ret, CharCount;
Ret = ToUnicodeEx(uVirtKey, uScanCode, lpKeyState, UniChars, 2, uFlags, dwhkl);
CharCount = (Ret < 0 ? 1 : Ret);
WideCharToMultiByte(CP_ACP, 0, UniChars, CharCount, (LPSTR) lpChar, 2, NULL, NULL);
return Ret;
}
/*
* @implemented
*/
int WINAPI
ToUnicode(UINT wVirtKey,
UINT wScanCode,
CONST BYTE *lpKeyState,
LPWSTR pwszBuff,
int cchBuff,
UINT wFlags)
{
return ToUnicodeEx( wVirtKey, wScanCode, lpKeyState, pwszBuff, cchBuff,
wFlags, 0 );
}
/*
* @implemented
*/
int WINAPI
ToUnicodeEx(UINT wVirtKey,
UINT wScanCode,
CONST BYTE *lpKeyState,
LPWSTR pwszBuff,
int cchBuff,
UINT wFlags,
HKL dwhkl)
{
return NtUserToUnicodeEx( wVirtKey, wScanCode, (PBYTE)lpKeyState, pwszBuff, cchBuff,
wFlags, dwhkl );
}
/*
* @implemented
*/
SHORT WINAPI
VkKeyScanA(CHAR ch)
{
WCHAR wChar;
if (IsDBCSLeadByte(ch)) return -1;
MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wChar, 1);
return VkKeyScanW(wChar);
}
/*
* @implemented
*/
SHORT WINAPI
VkKeyScanExA(CHAR ch,
HKL dwhkl)
{
WCHAR wChar;
if (IsDBCSLeadByte(ch)) return -1;
MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wChar, 1);
return VkKeyScanExW(wChar, dwhkl);
}
/*
* @implemented
*/
SHORT WINAPI
VkKeyScanExW(WCHAR ch,
HKL dwhkl)
{
return (SHORT) NtUserVkKeyScanEx(ch, dwhkl, TRUE);
}
/*
* @implemented
*/
SHORT WINAPI
VkKeyScanW(WCHAR ch)
{
return (SHORT) NtUserVkKeyScanEx(ch, 0, FALSE);
}
/*
* @implemented
*/
VOID
WINAPI
keybd_event(
BYTE bVk,
BYTE bScan,
DWORD dwFlags,
ULONG_PTR dwExtraInfo)
{
INPUT Input;
Input.type = INPUT_KEYBOARD;
Input.ki.wVk = bVk;
Input.ki.wScan = bScan;
Input.ki.dwFlags = dwFlags;
Input.ki.time = 0;
Input.ki.dwExtraInfo = dwExtraInfo;
NtUserSendInput(1, &Input, sizeof(INPUT));
}
/*
* @implemented
*/
VOID
WINAPI
mouse_event(
DWORD dwFlags,
DWORD dx,
DWORD dy,
DWORD dwData,
ULONG_PTR dwExtraInfo)
{
INPUT Input;
Input.type = INPUT_MOUSE;
Input.mi.dx = dx;
Input.mi.dy = dy;
Input.mi.mouseData = dwData;
Input.mi.dwFlags = dwFlags;
Input.mi.time = 0;
Input.mi.dwExtraInfo = dwExtraInfo;
NtUserSendInput(1, &Input, sizeof(INPUT));
}
/***********************************************************************
* get_key_state
*/
static WORD get_key_state(void)
{
WORD ret = 0;
if (GetSystemMetrics( SM_SWAPBUTTON ))
{
if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_LBUTTON;
if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_RBUTTON;
}
else
{
if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_LBUTTON;
if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_RBUTTON;
}
if (GetAsyncKeyState(VK_MBUTTON) & 0x80) ret |= MK_MBUTTON;
if (GetAsyncKeyState(VK_SHIFT) & 0x80) ret |= MK_SHIFT;
if (GetAsyncKeyState(VK_CONTROL) & 0x80) ret |= MK_CONTROL;
if (GetAsyncKeyState(VK_XBUTTON1) & 0x80) ret |= MK_XBUTTON1;
if (GetAsyncKeyState(VK_XBUTTON2) & 0x80) ret |= MK_XBUTTON2;
return ret;
}
static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent,
DWORD dwTime)
{
POINT pos;
POINT posClient;
HWND hwnd;
INT hoverwidth = 0, hoverheight = 0;
RECT client;
PUSER32_TRACKINGLIST ptracking_info;
ptracking_info = & User32GetThreadData()->tracking_info;
GetCursorPos(&pos);
hwnd = WindowFromPoint(pos);
SystemParametersInfoW(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
SystemParametersInfoW(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
/* see if this tracking event is looking for TME_LEAVE and that the */
/* mouse has left the window */
if (ptracking_info->tme.dwFlags & TME_LEAVE)
{
if (ptracking_info->tme.hwndTrack != hwnd)
{
if (ptracking_info->tme.dwFlags & TME_NONCLIENT)
{
PostMessageW(ptracking_info->tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
}
else
{
PostMessageW(ptracking_info->tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
}
/* remove the TME_LEAVE flag */
ptracking_info->tme.dwFlags &= ~TME_LEAVE;
}
else
{
GetClientRect(hwnd, &client);
MapWindowPoints(hwnd, NULL, (LPPOINT)&client, 2);
if (PtInRect(&client, pos))
{
if (ptracking_info->tme.dwFlags & TME_NONCLIENT)
{
PostMessageW(ptracking_info->tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
/* remove the TME_LEAVE flag */
ptracking_info->tme.dwFlags &= ~TME_LEAVE;
}
}
else
{
if (!(ptracking_info->tme.dwFlags & TME_NONCLIENT))
{
PostMessageW(ptracking_info->tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
/* remove the TME_LEAVE flag */
ptracking_info->tme.dwFlags &= ~TME_LEAVE;
}
}
}
}
/* see if we are tracking hovering for this hwnd */
if (ptracking_info->tme.dwFlags & TME_HOVER)
{
/* has the cursor moved outside the rectangle centered around pos? */
if ((abs(pos.x - ptracking_info->pos.x) > (hoverwidth / 2.0)) ||
(abs(pos.y - ptracking_info->pos.y) > (hoverheight / 2.0)))
{
/* record this new position as the current position and reset */
/* the iHoverTime variable to 0 */
ptracking_info->pos = pos;
}
else
{
posClient.x = pos.x;
posClient.y = pos.y;
ScreenToClient(hwnd, &posClient);
if (ptracking_info->tme.dwFlags & TME_NONCLIENT)
{
PostMessageW(ptracking_info->tme.hwndTrack, WM_NCMOUSEHOVER,
get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
}
else
{
PostMessageW(ptracking_info->tme.hwndTrack, WM_MOUSEHOVER,
get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
}
/* stop tracking mouse hover */
ptracking_info->tme.dwFlags &= ~TME_HOVER;
}
}
/* stop the timer if the tracking list is empty */
if (!(ptracking_info->tme.dwFlags & (TME_HOVER | TME_LEAVE)))
{
KillTimer(0, ptracking_info->timer);
RtlZeroMemory(ptracking_info,sizeof(USER32_TRACKINGLIST));
}
}
/***********************************************************************
* TrackMouseEvent [USER32]
*
* Requests notification of mouse events
*
* During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
* to the hwnd specified in the ptme structure. After the event message
* is posted to the hwnd, the entry in the queue is removed.
*
* If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
* ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
* immediately and the TME_LEAVE flag being ignored.
*
* PARAMS
* ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
*
* RETURNS
* Success: non-zero
* Failure: zero
*
*/
/*
* @implemented
*/
BOOL
WINAPI
TrackMouseEvent(
LPTRACKMOUSEEVENT ptme)
{
HWND hwnd;
POINT pos;
DWORD hover_time;
PUSER32_TRACKINGLIST ptracking_info;
TRACE("%lx, %lx, %p, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
WARN("wrong TRACKMOUSEEVENT size from app\n");
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
ptracking_info = & User32GetThreadData()->tracking_info;
/* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
if (ptme->dwFlags & TME_QUERY )
{
*ptme = ptracking_info->tme;
ptme->cbSize = sizeof(TRACKMOUSEEVENT);
return TRUE; /* return here, TME_QUERY is retrieving information */
}
if (!IsWindow(ptme->hwndTrack))
{
SetLastError(ERROR_INVALID_WINDOW_HANDLE);
return FALSE;
}
hover_time = ptme->dwHoverTime;
/* if HOVER_DEFAULT was specified replace this with the systems current value */
if (hover_time == HOVER_DEFAULT || hover_time == 0)
{
SystemParametersInfoW(SPI_GETMOUSEHOVERTIME, 0, &hover_time, 0);
}
GetCursorPos(&pos);
hwnd = WindowFromPoint(pos);
if (ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT))
{
FIXME("Unknown flag(s) %08lx\n", ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT));
}
if (ptme->dwFlags & TME_CANCEL)
{
if (ptracking_info->tme.hwndTrack == ptme->hwndTrack)
{
ptracking_info->tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
/* if we aren't tracking on hover or leave remove this entry */
if (!(ptracking_info->tme.dwFlags & (TME_HOVER | TME_LEAVE)))
{
KillTimer(0, ptracking_info->timer);
RtlZeroMemory(ptracking_info,sizeof(USER32_TRACKINGLIST));
}
}
} else {
if (ptme->hwndTrack == hwnd)
{
/* Adding new mouse event to the tracking list */
ptracking_info->tme = *ptme;
ptracking_info->tme.dwHoverTime = hover_time;
/* Initialize HoverInfo variables even if not hover tracking */
ptracking_info->pos = pos;
if (!ptracking_info->timer)
{
ptracking_info->timer = SetTimer(0, 0, hover_time, TrackMouseEventProc);
}
}
}
return TRUE;
}
/* EOF */
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