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wine/dlls/user32/input.c
Jacek Caban d60708a17f win32u: Move NtUserGetMouseMovePointsEx implementation from user32. 
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-11-17 15:26:57 +01:00

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/*
* USER Input processing
*
* Copyright 1993 Bob Amstadt
* Copyright 1996 Albrecht Kleine
* Copyright 1997 David Faure
* Copyright 1998 Morten Welinder
* Copyright 1998 Ulrich Weigand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <ctype.h>
#include <assert.h>
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "winternl.h"
#include "winerror.h"
#include "win.h"
#include "user_private.h"
#include "dbt.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win);
WINE_DECLARE_DEBUG_CHANNEL(keyboard);
INT global_key_state_counter = 0;
/***********************************************************************
* 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;
}
/***********************************************************************
* get_locale_kbd_layout
*/
static HKL get_locale_kbd_layout(void)
{
ULONG_PTR layout;
LANGID langid;
/* FIXME:
*
* layout = main_key_tab[kbd_layout].lcid;
*
* Winword uses return value of GetKeyboardLayout as a codepage
* to translate ANSI keyboard messages to unicode. But we have
* a problem with it: for instance Polish keyboard layout is
* identical to the US one, and therefore instead of the Polish
* locale id we return the US one.
*/
layout = GetUserDefaultLCID();
/*
* Microsoft Office expects this value to be something specific
* for Japanese and Korean Windows with an IME the value is 0xe001
* We should probably check to see if an IME exists and if so then
* set this word properly.
*/
langid = PRIMARYLANGID( LANGIDFROMLCID( layout ) );
if (langid == LANG_CHINESE || langid == LANG_JAPANESE || langid == LANG_KOREAN)
layout = MAKELONG( layout, 0xe001 ); /* IME */
else
layout = MAKELONG( layout, layout );
return (HKL)layout;
}
/**********************************************************************
* keyboard_init
*/
void keyboard_init(void)
{
WCHAR layout[KL_NAMELENGTH];
HKEY hkey;
if (RegCreateKeyExW( HKEY_CURRENT_USER, L"Keyboard Layout\\Preload", 0, NULL, 0,
KEY_ALL_ACCESS, NULL, &hkey, NULL ))
return;
if (GetKeyboardLayoutNameW( layout ))
RegSetValueExW( hkey, L"1", 0, REG_SZ, (const BYTE *)layout, sizeof(layout) );
RegCloseKey( hkey );
}
/**********************************************************************
* set_capture_window
*/
BOOL set_capture_window( HWND hwnd, UINT gui_flags, HWND *prev_ret )
{
HWND previous = 0;
UINT flags = 0;
BOOL ret;
if (gui_flags & GUI_INMENUMODE) flags |= CAPTURE_MENU;
if (gui_flags & GUI_INMOVESIZE) flags |= CAPTURE_MOVESIZE;
SERVER_START_REQ( set_capture_window )
{
req->handle = wine_server_user_handle( hwnd );
req->flags = flags;
if ((ret = !wine_server_call_err( req )))
{
previous = wine_server_ptr_handle( reply->previous );
hwnd = wine_server_ptr_handle( reply->full_handle );
}
}
SERVER_END_REQ;
if (ret)
{
USER_Driver->pSetCapture( hwnd, gui_flags );
if (previous)
SendMessageW( previous, WM_CAPTURECHANGED, 0, (LPARAM)hwnd );
if (prev_ret) *prev_ret = previous;
}
return ret;
}
/***********************************************************************
* __wine_send_input (USER32.@)
*
* Internal SendInput function to allow the graphics driver to inject real events.
*/
BOOL CDECL __wine_send_input( HWND hwnd, const INPUT *input, const RAWINPUT *rawinput )
{
NTSTATUS status = send_hardware_message( hwnd, input, rawinput, 0 );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* update_mouse_coords
*
* Helper for SendInput.
*/
static void update_mouse_coords( INPUT *input )
{
if (!(input->u.mi.dwFlags & MOUSEEVENTF_MOVE)) return;
if (input->u.mi.dwFlags & MOUSEEVENTF_ABSOLUTE)
{
DPI_AWARENESS_CONTEXT context = SetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
RECT rc;
if (input->u.mi.dwFlags & MOUSEEVENTF_VIRTUALDESK)
rc = get_virtual_screen_rect();
else
rc = get_primary_monitor_rect();
input->u.mi.dx = rc.left + ((input->u.mi.dx * (rc.right - rc.left)) >> 16);
input->u.mi.dy = rc.top + ((input->u.mi.dy * (rc.bottom - rc.top)) >> 16);
SetThreadDpiAwarenessContext( context );
}
else
{
int accel[3];
/* dx and dy can be negative numbers for relative movements */
SystemParametersInfoW(SPI_GETMOUSE, 0, accel, 0);
if (!accel[2]) return;
if (abs(input->u.mi.dx) > accel[0])
{
input->u.mi.dx *= 2;
if ((abs(input->u.mi.dx) > accel[1]) && (accel[2] == 2)) input->u.mi.dx *= 2;
}
if (abs(input->u.mi.dy) > accel[0])
{
input->u.mi.dy *= 2;
if ((abs(input->u.mi.dy) > accel[1]) && (accel[2] == 2)) input->u.mi.dy *= 2;
}
}
}
/***********************************************************************
* SendInput (USER32.@)
*/
UINT WINAPI SendInput( UINT count, LPINPUT inputs, int size )
{
UINT i;
NTSTATUS status = STATUS_SUCCESS;
if (size != sizeof(INPUT))
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!count)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!inputs)
{
SetLastError( ERROR_NOACCESS );
return 0;
}
for (i = 0; i < count; i++)
{
INPUT input = inputs[i];
switch (input.type)
{
case INPUT_MOUSE:
/* we need to update the coordinates to what the server expects */
update_mouse_coords( &input );
/* fallthrough */
case INPUT_KEYBOARD:
status = send_hardware_message( 0, &input, NULL, SEND_HWMSG_INJECTED );
break;
case INPUT_HARDWARE:
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return 0;
}
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
break;
}
}
return i;
}
/***********************************************************************
* keybd_event (USER32.@)
*/
void WINAPI keybd_event( BYTE bVk, BYTE bScan,
DWORD dwFlags, ULONG_PTR dwExtraInfo )
{
INPUT input;
input.type = INPUT_KEYBOARD;
input.u.ki.wVk = bVk;
input.u.ki.wScan = bScan;
input.u.ki.dwFlags = dwFlags;
input.u.ki.time = 0;
input.u.ki.dwExtraInfo = dwExtraInfo;
SendInput( 1, &input, sizeof(input) );
}
/***********************************************************************
* mouse_event (USER32.@)
*/
void WINAPI mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
DWORD dwData, ULONG_PTR dwExtraInfo )
{
INPUT input;
input.type = INPUT_MOUSE;
input.u.mi.dx = dx;
input.u.mi.dy = dy;
input.u.mi.mouseData = dwData;
input.u.mi.dwFlags = dwFlags;
input.u.mi.time = 0;
input.u.mi.dwExtraInfo = dwExtraInfo;
SendInput( 1, &input, sizeof(input) );
}
/***********************************************************************
* GetCursorPos (USER32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetCursorPos( POINT *pt )
{
BOOL ret;
DWORD last_change;
UINT dpi;
if (!pt) return FALSE;
SERVER_START_REQ( set_cursor )
{
if ((ret = !wine_server_call( req )))
{
pt->x = reply->new_x;
pt->y = reply->new_y;
last_change = reply->last_change;
}
}
SERVER_END_REQ;
/* query new position from graphics driver if we haven't updated recently */
if (ret && GetTickCount() - last_change > 100) ret = USER_Driver->pGetCursorPos( pt );
if (ret && (dpi = get_thread_dpi()))
{
DPI_AWARENESS_CONTEXT context;
context = SetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
*pt = map_dpi_point( *pt, get_monitor_dpi( MonitorFromPoint( *pt, MONITOR_DEFAULTTOPRIMARY )), dpi );
SetThreadDpiAwarenessContext( context );
}
return ret;
}
/***********************************************************************
* GetCursorInfo (USER32.@)
*/
BOOL WINAPI GetCursorInfo( PCURSORINFO pci )
{
BOOL ret;
if (!pci) return FALSE;
SERVER_START_REQ( get_thread_input )
{
req->tid = 0;
if ((ret = !wine_server_call( req )))
{
pci->hCursor = wine_server_ptr_handle( reply->cursor );
pci->flags = (reply->show_count >= 0) ? CURSOR_SHOWING : 0;
}
}
SERVER_END_REQ;
GetCursorPos(&pci->ptScreenPos);
return ret;
}
/***********************************************************************
* SetCursorPos (USER32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetCursorPos( INT x, INT y )
{
POINT pt = { x, y };
BOOL ret;
INT prev_x, prev_y, new_x, new_y;
UINT dpi;
if ((dpi = get_thread_dpi()))
pt = map_dpi_point( pt, dpi, get_monitor_dpi( MonitorFromPoint( pt, MONITOR_DEFAULTTOPRIMARY )));
SERVER_START_REQ( set_cursor )
{
req->flags = SET_CURSOR_POS;
req->x = pt.x;
req->y = pt.y;
if ((ret = !wine_server_call( req )))
{
prev_x = reply->prev_x;
prev_y = reply->prev_y;
new_x = reply->new_x;
new_y = reply->new_y;
}
}
SERVER_END_REQ;
if (ret && (prev_x != new_x || prev_y != new_y)) USER_Driver->pSetCursorPos( new_x, new_y );
return ret;
}
/**********************************************************************
* SetCapture (USER32.@)
*/
HWND WINAPI DECLSPEC_HOTPATCH SetCapture( HWND hwnd )
{
HWND previous = 0;
set_capture_window( hwnd, 0, &previous );
return previous;
}
/**********************************************************************
* ReleaseCapture (USER32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReleaseCapture(void)
{
BOOL ret = set_capture_window( 0, 0, NULL );
/* Somebody may have missed some mouse movements */
if (ret) mouse_event( MOUSEEVENTF_MOVE, 0, 0, 0, 0 );
return ret;
}
/**********************************************************************
* GetCapture (USER32.@)
*/
HWND WINAPI GetCapture(void)
{
HWND ret = 0;
SERVER_START_REQ( get_thread_input )
{
req->tid = GetCurrentThreadId();
if (!wine_server_call_err( req )) ret = wine_server_ptr_handle( reply->capture );
}
SERVER_END_REQ;
return ret;
}
static void check_for_events( UINT flags )
{
if (USER_Driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, flags, 0 ) == WAIT_TIMEOUT)
flush_window_surfaces( TRUE );
}
/**********************************************************************
* GetAsyncKeyState (USER32.@)
*
* Determine if a key is or was pressed. retval has high-order
* bit set to 1 if currently pressed, low-order bit set to 1 if key has
* been pressed.
*/
SHORT WINAPI DECLSPEC_HOTPATCH GetAsyncKeyState( INT key )
{
struct user_key_state_info *key_state_info = get_user_thread_info()->key_state;
INT counter = global_key_state_counter;
BYTE prev_key_state;
SHORT ret;
if (key < 0 || key >= 256) return 0;
check_for_events( QS_INPUT );
if (key_state_info && !(key_state_info->state[key] & 0xc0) &&
key_state_info->counter == counter && GetTickCount() - key_state_info->time < 50)
{
/* use cached value */
return 0;
}
else if (!key_state_info)
{
key_state_info = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*key_state_info) );
get_user_thread_info()->key_state = key_state_info;
}
ret = 0;
SERVER_START_REQ( get_key_state )
{
req->async = 1;
req->key = key;
if (key_state_info)
{
prev_key_state = key_state_info->state[key];
wine_server_set_reply( req, key_state_info->state, sizeof(key_state_info->state) );
}
if (!wine_server_call( req ))
{
if (reply->state & 0x40) ret |= 0x0001;
if (reply->state & 0x80) ret |= 0x8000;
if (key_state_info)
{
/* force refreshing the key state cache - some multithreaded programs
* (like Adobe Photoshop CS5) expect that changes to the async key state
* are also immediately available in other threads. */
if (prev_key_state != key_state_info->state[key])
counter = InterlockedIncrement( &global_key_state_counter );
key_state_info->time = GetTickCount();
key_state_info->counter = counter;
}
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* GetQueueStatus (USER32.@)
*/
DWORD WINAPI GetQueueStatus( UINT flags )
{
DWORD ret;
if (flags & ~(QS_ALLINPUT | QS_ALLPOSTMESSAGE | QS_SMRESULT))
{
SetLastError( ERROR_INVALID_FLAGS );
return 0;
}
check_for_events( flags );
SERVER_START_REQ( get_queue_status )
{
req->clear_bits = flags;
wine_server_call( req );
ret = MAKELONG( reply->changed_bits & flags, reply->wake_bits & flags );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* GetInputState (USER32.@)
*/
BOOL WINAPI GetInputState(void)
{
DWORD ret;
check_for_events( QS_INPUT );
SERVER_START_REQ( get_queue_status )
{
req->clear_bits = 0;
wine_server_call( req );
ret = reply->wake_bits & (QS_KEY | QS_MOUSEBUTTON);
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* GetLastInputInfo (USER32.@)
*/
BOOL WINAPI GetLastInputInfo(PLASTINPUTINFO plii)
{
BOOL ret;
TRACE("%p\n", plii);
if (plii->cbSize != sizeof (*plii) )
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
SERVER_START_REQ( get_last_input_time )
{
ret = !wine_server_call_err( req );
if (ret)
plii->dwTime = reply->time;
}
SERVER_END_REQ;
return ret;
}
/**********************************************************************
* VkKeyScanA (USER32.@)
*
* VkKeyScan translates an ANSI character to a virtual-key and shift code
* for the current keyboard.
* high-order byte yields :
* 0 Unshifted
* 1 Shift
* 2 Ctrl
* 3-5 Shift-key combinations that are not used for characters
* 6 Ctrl-Alt
* 7 Ctrl-Alt-Shift
* I.e. : Shift = 1, Ctrl = 2, Alt = 4.
* FIXME : works ok except for dead chars :
* VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
* VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
*/
SHORT WINAPI VkKeyScanA(CHAR cChar)
{
WCHAR wChar;
if (IsDBCSLeadByte(cChar)) return -1;
MultiByteToWideChar(CP_ACP, 0, &cChar, 1, &wChar, 1);
return VkKeyScanW(wChar);
}
/******************************************************************************
* VkKeyScanW (USER32.@)
*/
SHORT WINAPI VkKeyScanW(WCHAR cChar)
{
return NtUserVkKeyScanEx( cChar, NtUserGetKeyboardLayout(0) );
}
/**********************************************************************
* VkKeyScanExA (USER32.@)
*/
WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
{
WCHAR wChar;
if (IsDBCSLeadByte(cChar)) return -1;
MultiByteToWideChar(CP_ACP, 0, &cChar, 1, &wChar, 1);
return NtUserVkKeyScanEx( wChar, dwhkl );
}
/**********************************************************************
* OemKeyScan (USER32.@)
*/
DWORD WINAPI OemKeyScan( WORD oem )
{
WCHAR wchr;
DWORD vkey, scan;
char oem_char = LOBYTE( oem );
if (!OemToCharBuffW( &oem_char, &wchr, 1 ))
return -1;
vkey = VkKeyScanW( wchr );
scan = MapVirtualKeyW( LOBYTE( vkey ), MAPVK_VK_TO_VSC );
if (!scan) return -1;
vkey &= 0xff00;
vkey <<= 8;
return vkey | scan;
}
/******************************************************************************
* GetKeyboardType (USER32.@)
*/
INT WINAPI GetKeyboardType(INT nTypeFlag)
{
TRACE_(keyboard)("(%d)\n", nTypeFlag);
if (LOWORD(NtUserGetKeyboardLayout(0)) == MAKELANGID(LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN))
{
/* scan code for `_', the key left of r-shift, in Japanese 106 keyboard */
const UINT JP106_VSC_USCORE = 0x73;
switch(nTypeFlag)
{
case 0: /* Keyboard type */
return 7; /* Japanese keyboard */
case 1: /* Keyboard Subtype */
/* Test keyboard mappings to detect Japanese keyboard */
if (MapVirtualKeyW(VK_OEM_102, MAPVK_VK_TO_VSC) == JP106_VSC_USCORE
&& MapVirtualKeyW(JP106_VSC_USCORE, MAPVK_VSC_TO_VK) == VK_OEM_102)
return 2; /* Japanese 106 */
else
return 0; /* AT-101 */
case 2: /* Number of F-keys */
return 12; /* It has 12 F-keys */
}
}
else
{
switch(nTypeFlag)
{
case 0: /* Keyboard type */
return 4; /* AT-101 */
case 1: /* Keyboard Subtype */
return 0; /* There are no defined subtypes */
case 2: /* Number of F-keys */
return 12; /* We're doing an 101 for now, so return 12 F-keys */
}
}
WARN_(keyboard)("Unknown type\n");
return 0; /* The book says 0 here, so 0 */
}
/******************************************************************************
* MapVirtualKeyA (USER32.@)
*/
UINT WINAPI MapVirtualKeyA(UINT code, UINT maptype)
{
return MapVirtualKeyExA( code, maptype, NtUserGetKeyboardLayout(0) );
}
/******************************************************************************
* MapVirtualKeyW (USER32.@)
*/
UINT WINAPI MapVirtualKeyW(UINT code, UINT maptype)
{
return NtUserMapVirtualKeyEx( code, maptype, NtUserGetKeyboardLayout(0) );
}
/******************************************************************************
* MapVirtualKeyExA (USER32.@)
*/
UINT WINAPI MapVirtualKeyExA(UINT code, UINT maptype, HKL hkl)
{
UINT ret;
ret = NtUserMapVirtualKeyEx( code, maptype, hkl );
if (maptype == MAPVK_VK_TO_CHAR)
{
BYTE ch = 0;
WCHAR wch = ret;
WideCharToMultiByte( CP_ACP, 0, &wch, 1, (LPSTR)&ch, 1, NULL, NULL );
ret = ch;
}
return ret;
}
/****************************************************************************
* GetKBCodePage (USER32.@)
*/
UINT WINAPI GetKBCodePage(void)
{
return GetOEMCP();
}
/****************************************************************************
* GetKeyboardLayoutNameA (USER32.@)
*/
BOOL WINAPI GetKeyboardLayoutNameA(LPSTR pszKLID)
{
WCHAR buf[KL_NAMELENGTH];
if (GetKeyboardLayoutNameW(buf))
return WideCharToMultiByte( CP_ACP, 0, buf, -1, pszKLID, KL_NAMELENGTH, NULL, NULL ) != 0;
return FALSE;
}
/****************************************************************************
* GetKeyboardLayoutNameW (USER32.@)
*/
BOOL WINAPI GetKeyboardLayoutNameW( WCHAR *name )
{
struct user_thread_info *info = get_user_thread_info();
WCHAR klid[KL_NAMELENGTH], value[5];
DWORD value_size, tmp, i = 0;
HKEY hkey;
HKL layout;
TRACE_(keyboard)( "name %p\n", name );
if (!name)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
if (info->kbd_layout_id)
{
swprintf( name, KL_NAMELENGTH, L"%08X", info->kbd_layout_id );
return TRUE;
}
layout = NtUserGetKeyboardLayout( 0 );
tmp = HandleToUlong( layout );
if (HIWORD( tmp ) == LOWORD( tmp )) tmp = LOWORD( tmp );
swprintf( name, KL_NAMELENGTH, L"%08X", tmp );
if (!RegOpenKeyW( HKEY_LOCAL_MACHINE, L"System\\CurrentControlSet\\Control\\Keyboard Layouts", &hkey ))
{
while (!RegEnumKeyW( hkey, i++, klid, ARRAY_SIZE(klid) ))
{
value_size = sizeof(value);
if (!RegGetValueW( hkey, klid, L"Layout Id", RRF_RT_REG_SZ, NULL, (void *)&value, &value_size ))
tmp = 0xf000 | (wcstoul( value, NULL, 16 ) & 0xfff);
else
tmp = wcstoul( klid, NULL, 16 );
if (HIWORD( layout ) == tmp)
{
lstrcpynW( name, klid, KL_NAMELENGTH );
break;
}
}
RegCloseKey( hkey );
}
info->kbd_layout_id = wcstoul( name, NULL, 16 );
TRACE_(keyboard)( "ret %s\n", debugstr_w( name ) );
return TRUE;
}
/****************************************************************************
* GetKeyNameTextA (USER32.@)
*/
INT WINAPI GetKeyNameTextA(LONG lParam, LPSTR lpBuffer, INT nSize)
{
WCHAR buf[256];
INT ret;
if (!nSize || !NtUserGetKeyNameText( lParam, buf, ARRAYSIZE(buf) ))
{
lpBuffer[0] = 0;
return 0;
}
ret = WideCharToMultiByte(CP_ACP, 0, buf, -1, lpBuffer, nSize, NULL, NULL);
if (!ret && nSize)
{
ret = nSize - 1;
lpBuffer[ret] = 0;
}
else ret--;
return ret;
}
/****************************************************************************
* ToUnicode (USER32.@)
*/
INT WINAPI ToUnicode( UINT virt, UINT scan, const BYTE *state, LPWSTR str, int size, UINT flags )
{
return NtUserToUnicodeEx( virt, scan, state, str, size, flags, NtUserGetKeyboardLayout(0) );
}
/****************************************************************************
* ToAscii (USER32.@)
*/
INT WINAPI ToAscii( UINT virtKey, UINT scanCode, const BYTE *lpKeyState,
LPWORD lpChar, UINT flags )
{
return ToAsciiEx( virtKey, scanCode, lpKeyState, lpChar, flags,
NtUserGetKeyboardLayout(0) );
}
/****************************************************************************
* ToAsciiEx (USER32.@)
*/
INT WINAPI ToAsciiEx( UINT virtKey, UINT scanCode, const BYTE *lpKeyState,
LPWORD lpChar, UINT flags, HKL dwhkl )
{
WCHAR uni_chars[2];
INT ret, n_ret;
ret = NtUserToUnicodeEx( virtKey, scanCode, lpKeyState, uni_chars, 2, flags, dwhkl );
if (ret < 0) n_ret = 1; /* FIXME: make ToUnicode return 2 for dead chars */
else n_ret = ret;
WideCharToMultiByte(CP_ACP, 0, uni_chars, n_ret, (LPSTR)lpChar, 2, NULL, NULL);
return ret;
}
/**********************************************************************
* BlockInput (USER32.@)
*/
BOOL WINAPI BlockInput(BOOL fBlockIt)
{
FIXME_(keyboard)("(%d): stub\n", fBlockIt);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* RegisterHotKey (USER32.@)
*/
BOOL WINAPI RegisterHotKey(HWND hwnd,INT id,UINT modifiers,UINT vk)
{
BOOL ret;
int replaced=0;
TRACE_(keyboard)("(%p,%d,0x%08x,%X)\n",hwnd,id,modifiers,vk);
if ((hwnd == NULL || WIN_IsCurrentThread(hwnd)) &&
!USER_Driver->pRegisterHotKey(hwnd, modifiers, vk))
return FALSE;
SERVER_START_REQ( register_hotkey )
{
req->window = wine_server_user_handle( hwnd );
req->id = id;
req->flags = modifiers;
req->vkey = vk;
if ((ret = !wine_server_call_err( req )))
{
replaced = reply->replaced;
modifiers = reply->flags;
vk = reply->vkey;
}
}
SERVER_END_REQ;
if (ret && replaced)
USER_Driver->pUnregisterHotKey(hwnd, modifiers, vk);
return ret;
}
/***********************************************************************
* LoadKeyboardLayoutW (USER32.@)
*/
HKL WINAPI LoadKeyboardLayoutW( const WCHAR *name, UINT flags )
{
WCHAR layout_path[MAX_PATH], value[5];
DWORD value_size, tmp;
HKEY hkey;
HKL layout;
FIXME_(keyboard)( "name %s, flags %x, semi-stub!\n", debugstr_w( name ), flags );
tmp = wcstoul( name, NULL, 16 );
if (HIWORD( tmp )) layout = UlongToHandle( tmp );
else layout = UlongToHandle( MAKELONG( LOWORD( tmp ), LOWORD( tmp ) ) );
wcscpy( layout_path, L"System\\CurrentControlSet\\Control\\Keyboard Layouts\\" );
wcscat( layout_path, name );
if (!RegOpenKeyW( HKEY_LOCAL_MACHINE, layout_path, &hkey ))
{
value_size = sizeof(value);
if (!RegGetValueW( hkey, NULL, L"Layout Id", RRF_RT_REG_SZ, NULL, (void *)&value, &value_size ))
layout = UlongToHandle( MAKELONG( LOWORD( tmp ), 0xf000 | (wcstoul( value, NULL, 16 ) & 0xfff) ) );
RegCloseKey( hkey );
}
if ((flags & KLF_ACTIVATE) && NtUserActivateKeyboardLayout( layout, 0 )) return layout;
/* FIXME: semi-stub: returning default layout */
return get_locale_kbd_layout();
}
/***********************************************************************
* LoadKeyboardLayoutA (USER32.@)
*/
HKL WINAPI LoadKeyboardLayoutA(LPCSTR pwszKLID, UINT Flags)
{
HKL ret;
UNICODE_STRING pwszKLIDW;
if (pwszKLID) RtlCreateUnicodeStringFromAsciiz(&pwszKLIDW, pwszKLID);
else pwszKLIDW.Buffer = NULL;
ret = LoadKeyboardLayoutW(pwszKLIDW.Buffer, Flags);
RtlFreeUnicodeString(&pwszKLIDW);
return ret;
}
/***********************************************************************
* UnloadKeyboardLayout (USER32.@)
*/
BOOL WINAPI UnloadKeyboardLayout( HKL layout )
{
FIXME_(keyboard)( "layout %p, stub!\n", layout );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
typedef struct __TRACKINGLIST {
TRACKMOUSEEVENT tme;
POINT pos; /* center of hover rectangle */
} _TRACKINGLIST;
/* FIXME: move tracking stuff into a per thread data */
static _TRACKINGLIST tracking_info;
static UINT_PTR timer;
static void check_mouse_leave(HWND hwnd, int hittest)
{
if (tracking_info.tme.hwndTrack != hwnd)
{
if (tracking_info.tme.dwFlags & TME_NONCLIENT)
PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
else
PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
/* remove the TME_LEAVE flag */
tracking_info.tme.dwFlags &= ~TME_LEAVE;
}
else
{
if (hittest == HTCLIENT)
{
if (tracking_info.tme.dwFlags & TME_NONCLIENT)
{
PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
/* remove the TME_LEAVE flag */
tracking_info.tme.dwFlags &= ~TME_LEAVE;
}
}
else
{
if (!(tracking_info.tme.dwFlags & TME_NONCLIENT))
{
PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
/* remove the TME_LEAVE flag */
tracking_info.tme.dwFlags &= ~TME_LEAVE;
}
}
}
}
static void CALLBACK TrackMouseEventProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent,
DWORD dwTime)
{
POINT pos;
INT hoverwidth = 0, hoverheight = 0, hittest;
TRACE("hwnd %p, msg %04x, id %04lx, time %u\n", hwnd, uMsg, idEvent, dwTime);
GetCursorPos(&pos);
hwnd = WINPOS_WindowFromPoint(hwnd, pos, &hittest);
TRACE("point %s hwnd %p hittest %d\n", wine_dbgstr_point(&pos), hwnd, hittest);
SystemParametersInfoW(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
SystemParametersInfoW(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
TRACE("tracked pos %s, current pos %s, hover width %d, hover height %d\n",
wine_dbgstr_point(&tracking_info.pos), wine_dbgstr_point(&pos),
hoverwidth, hoverheight);
/* see if this tracking event is looking for TME_LEAVE and that the */
/* mouse has left the window */
if (tracking_info.tme.dwFlags & TME_LEAVE)
{
check_mouse_leave(hwnd, hittest);
}
if (tracking_info.tme.hwndTrack != hwnd)
{
/* mouse is gone, stop tracking mouse hover */
tracking_info.tme.dwFlags &= ~TME_HOVER;
}
/* see if we are tracking hovering for this hwnd */
if (tracking_info.tme.dwFlags & TME_HOVER)
{
/* has the cursor moved outside the rectangle centered around pos? */
if ((abs(pos.x - tracking_info.pos.x) > (hoverwidth / 2)) ||
(abs(pos.y - tracking_info.pos.y) > (hoverheight / 2)))
{
/* record this new position as the current position */
tracking_info.pos = pos;
}
else
{
if (hittest == HTCLIENT)
{
ScreenToClient(hwnd, &pos);
TRACE("client cursor pos %s\n", wine_dbgstr_point(&pos));
PostMessageW(tracking_info.tme.hwndTrack, WM_MOUSEHOVER,
get_key_state(), MAKELPARAM( pos.x, pos.y ));
}
else
{
if (tracking_info.tme.dwFlags & TME_NONCLIENT)
PostMessageW(tracking_info.tme.hwndTrack, WM_NCMOUSEHOVER,
hittest, MAKELPARAM( pos.x, pos.y ));
}
/* stop tracking mouse hover */
tracking_info.tme.dwFlags &= ~TME_HOVER;
}
}
/* stop the timer if the tracking list is empty */
if (!(tracking_info.tme.dwFlags & (TME_HOVER | TME_LEAVE)))
{
KillSystemTimer(tracking_info.tme.hwndTrack, timer);
timer = 0;
tracking_info.tme.hwndTrack = 0;
tracking_info.tme.dwFlags = 0;
tracking_info.tme.dwHoverTime = 0;
}
}
/***********************************************************************
* 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
*
*/
BOOL WINAPI
TrackMouseEvent (TRACKMOUSEEVENT *ptme)
{
HWND hwnd;
POINT pos;
DWORD hover_time;
INT hittest;
TRACE("%x, %x, %p, %u\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;
}
/* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
if (ptme->dwFlags & TME_QUERY )
{
*ptme = tracking_info.tme;
/* set cbSize in the case it's not initialized yet */
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->dwFlags & TME_HOVER) ? ptme->dwHoverTime : HOVER_DEFAULT;
/* if HOVER_DEFAULT was specified replace this with the system's current value.
* TME_LEAVE doesn't need to specify hover time so use default */
if (hover_time == HOVER_DEFAULT || hover_time == 0)
SystemParametersInfoW(SPI_GETMOUSEHOVERTIME, 0, &hover_time, 0);
GetCursorPos(&pos);
hwnd = WINPOS_WindowFromPoint(ptme->hwndTrack, pos, &hittest);
TRACE("point %s hwnd %p hittest %d\n", wine_dbgstr_point(&pos), hwnd, hittest);
if (ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT))
FIXME("Unknown flag(s) %08x\n", ptme->dwFlags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_NONCLIENT));
if (ptme->dwFlags & TME_CANCEL)
{
if (tracking_info.tme.hwndTrack == ptme->hwndTrack)
{
tracking_info.tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
/* if we aren't tracking on hover or leave remove this entry */
if (!(tracking_info.tme.dwFlags & (TME_HOVER | TME_LEAVE)))
{
KillSystemTimer(tracking_info.tme.hwndTrack, timer);
timer = 0;
tracking_info.tme.hwndTrack = 0;
tracking_info.tme.dwFlags = 0;
tracking_info.tme.dwHoverTime = 0;
}
}
} else {
/* In our implementation it's possible that another window will receive a
* WM_MOUSEMOVE and call TrackMouseEvent before TrackMouseEventProc is
* called. In such a situation post the WM_MOUSELEAVE now */
if (tracking_info.tme.dwFlags & TME_LEAVE && tracking_info.tme.hwndTrack != NULL)
check_mouse_leave(hwnd, hittest);
if (timer)
{
KillSystemTimer(tracking_info.tme.hwndTrack, timer);
timer = 0;
tracking_info.tme.hwndTrack = 0;
tracking_info.tme.dwFlags = 0;
tracking_info.tme.dwHoverTime = 0;
}
if (ptme->hwndTrack == hwnd)
{
/* Adding new mouse event to the tracking list */
tracking_info.tme = *ptme;
tracking_info.tme.dwHoverTime = hover_time;
/* Initialize HoverInfo variables even if not hover tracking */
tracking_info.pos = pos;
timer = SetSystemTimer(tracking_info.tme.hwndTrack, (UINT_PTR)&tracking_info.tme, hover_time, TrackMouseEventProc);
}
}
return TRUE;
}
/***********************************************************************
* EnableMouseInPointer (USER32.@)
*/
BOOL WINAPI EnableMouseInPointer(BOOL enable)
{
FIXME("(%#x) stub\n", enable);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
static DWORD CALLBACK devnotify_window_callback(HANDLE handle, DWORD flags, DEV_BROADCAST_HDR *header)
{
SendMessageTimeoutW(handle, WM_DEVICECHANGE, flags, (LPARAM)header, SMTO_ABORTIFHUNG, 2000, NULL);
return 0;
}
static DWORD CALLBACK devnotify_service_callback(HANDLE handle, DWORD flags, DEV_BROADCAST_HDR *header)
{
FIXME("Support for service handles is not yet implemented!\n");
return 0;
}
struct device_notification_details
{
DWORD (CALLBACK *cb)(HANDLE handle, DWORD flags, DEV_BROADCAST_HDR *header);
HANDLE handle;
};
extern HDEVNOTIFY WINAPI I_ScRegisterDeviceNotification( struct device_notification_details *details,
void *filter, DWORD flags );
extern BOOL WINAPI I_ScUnregisterDeviceNotification( HDEVNOTIFY handle );
/***********************************************************************
* RegisterDeviceNotificationA (USER32.@)
*
* See RegisterDeviceNotificationW.
*/
HDEVNOTIFY WINAPI RegisterDeviceNotificationA(HANDLE hRecipient, LPVOID pNotificationFilter, DWORD dwFlags)
{
TRACE("(hwnd=%p, filter=%p,flags=0x%08x)\n",
hRecipient,pNotificationFilter,dwFlags);
if (pNotificationFilter)
FIXME("The notification filter will requires an A->W when filter support is implemented\n");
return RegisterDeviceNotificationW(hRecipient, pNotificationFilter, dwFlags);
}
/***********************************************************************
* RegisterDeviceNotificationW (USER32.@)
*/
HDEVNOTIFY WINAPI RegisterDeviceNotificationW( HANDLE handle, void *filter, DWORD flags )
{
struct device_notification_details details;
TRACE("handle %p, filter %p, flags %#x\n", handle, filter, flags);
if (flags & ~(DEVICE_NOTIFY_SERVICE_HANDLE | DEVICE_NOTIFY_ALL_INTERFACE_CLASSES))
FIXME("unhandled flags %#x\n", flags);
details.handle = handle;
if (flags & DEVICE_NOTIFY_SERVICE_HANDLE)
details.cb = devnotify_service_callback;
else
details.cb = devnotify_window_callback;
return I_ScRegisterDeviceNotification( &details, filter, 0 );
}
/***********************************************************************
* UnregisterDeviceNotification (USER32.@)
*/
BOOL WINAPI UnregisterDeviceNotification( HDEVNOTIFY handle )
{
TRACE("%p\n", handle);
return I_ScUnregisterDeviceNotification( handle );
}
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