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user: Added fast W->A mapping for EM_GETLINE.

This commit is contained in:
Alexandre Julliard 2006-05-18 12:20:14 +02:00
parent b34521c43d
commit dd442faa2e
1 changed files with 23 additions and 45 deletions
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68
dlls/user/winproc.c
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@ -992,17 +992,6 @@ static INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM
{
switch(msg)
{
/* Multiline edit */
case EM_GETLINE:
{ WORD len = (WORD)*plparam;
LPARAM *ptr = HeapAlloc( GetProcessHeap(), 0, sizeof(LPARAM) + sizeof (WORD) + len*sizeof(CHAR) );
if (!ptr) return -1;
*ptr++ = *plparam; /* Store previous lParam */
*((WORD *) ptr) = len; /* Store the length */
*plparam = (LPARAM)ptr;
}
return 1;
case WM_CHARTOITEM:
case WM_MENUCHAR:
case WM_CHAR:
@ -1040,32 +1029,6 @@ static INT WINPROC_MapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM *pwparam, LPARAM
}
/**********************************************************************
* WINPROC_UnmapMsg32WTo32A
*
* Unmap a message that was mapped from Unicode to Ansi.
*/
static LRESULT WINPROC_UnmapMsg32WTo32A( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT result )
{
switch(msg)
{
/* Multiline edit */
case EM_GETLINE:
{
LPARAM * ptr = (LPARAM *)lParam - 1; /* get the old lparam */
WORD len = *(WORD *)ptr;
if (len)
{
result = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, result, (LPWSTR)*ptr, len );
if (result < len) ((LPWSTR)*ptr)[result] = 0;
}
HeapFree( GetProcessHeap(), 0, ptr );
}
break;
}
return result;
}
static UINT convert_handle_16_to_32(HANDLE16 src, unsigned int flags)
{
HANDLE dst;
@ -3021,6 +2984,29 @@ static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd, UINT msg, WPAR
else ret = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
break;
/* Multiline edit */
case EM_GETLINE:
{
char *ptr, buffer[512];
WORD len = *(WORD *)lParam;
DWORD result;
if (!(ptr = get_buffer( buffer, sizeof(buffer), len * 2 ))) break;
*((WORD *)ptr) = len * 2; /* store the length */
ret = WINPROC_CallWndProc( func, hwnd, msg, wParam, (LPARAM)ptr );
result = dialog ? GetWindowLongPtrW( hwnd, DWLP_MSGRESULT ) : ret;
if (result)
{
RtlMultiByteToUnicodeN( (LPWSTR)lParam, len*sizeof(WCHAR), &result, buffer, result );
result /= sizeof(WCHAR);
if (result < len) ((LPWSTR)lParam)[result] = 0;
if (dialog) SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
else ret = result;
}
free_buffer( buffer, ptr );
}
break;
default:
if ((unmap = WINPROC_MapMsg32WTo32A( hwnd, msg, &wParam, &lParam )) == -1) {
ERR_(msg)("Message translation failed. (msg=%s,wp=%08x,lp=%08lx)\n",
@ -3028,14 +3014,6 @@ static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd, UINT msg, WPAR
return 0;
}
ret = WINPROC_CallWndProc( func, hwnd, msg, wParam, lParam );
if (!unmap) break;
if (dialog)
{
LRESULT result = GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
result = WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam, result );
SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, result );
}
else ret = WINPROC_UnmapMsg32WTo32A( hwnd, msg, wParam, lParam, ret );
break;
}