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Fixed GetClassLong to return full 32 bits for all items. 

Removed GCW_* definitions that don't exist in Win32.
This commit is contained in:
Alexandre Julliard 2001-08-20 18:09:39 +00:00
parent 87abe2f61c
commit d44e495aa4
3 changed files with 86 additions and 68 deletions
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24
include/winuser.h
View File

@ -1258,24 +1258,16 @@ typedef struct
/* Offsets for GetClassLong() and GetClassWord() */
#define GCL_MENUNAME (-8)
#define GCW_HBRBACKGROUND (-10)
#define GCL_HBRBACKGROUND GCW_HBRBACKGROUND
#define GCW_HCURSOR (-12)
#define GCL_HCURSOR GCW_HCURSOR
#define GCW_HICON (-14)
#define GCL_HICON GCW_HICON
#define GCW_HMODULE (-16)
#define GCL_HMODULE GCW_HMODULE
#define GCW_CBWNDEXTRA (-18)
#define GCL_CBWNDEXTRA GCW_CBWNDEXTRA
#define GCW_CBCLSEXTRA (-20)
#define GCL_CBCLSEXTRA GCW_CBCLSEXTRA
#define GCL_HBRBACKGROUND (-10)
#define GCL_HCURSOR (-12)
#define GCL_HICON (-14)
#define GCL_HMODULE (-16)
#define GCL_CBWNDEXTRA (-18)
#define GCL_CBCLSEXTRA (-20)
#define GCL_WNDPROC (-24)
#define GCW_STYLE (-26)
#define GCL_STYLE GCW_STYLE
#define GCL_STYLE (-26)
#define GCW_ATOM (-32)
#define GCW_HICONSM (-34)
#define GCL_HICONSM GCW_HICONSM
#define GCL_HICONSM (-34)
/***** Window hooks *****/

112
windows/class.c
View File

@ -48,7 +48,6 @@ typedef struct tagCLASS
HCURSOR hCursor; /* Default cursor */
HBRUSH hbrBackground; /* Default background */
ATOM atomName; /* Name of the class */
LONG wExtra[1]; /* Class extra bytes */
} CLASS;
static CLASS *firstClass;
@ -324,8 +323,7 @@ static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE hInstance,
/* Create the class */
classPtr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(CLASS) + classExtra - sizeof(classPtr->wExtra) );
classPtr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CLASS) + classExtra );
if (!classPtr) return NULL;
classPtr->style = style;
classPtr->cbWndExtra = winExtra;
@ -723,26 +721,23 @@ WORD WINAPI GetClassWord( HWND hwnd, INT offset )
{
if (offset <= wndPtr->class->cbClsExtra - sizeof(WORD))
{
retvalue = GET_WORD(((char *)wndPtr->class->wExtra) + offset);
retvalue = GET_WORD((char *)(wndPtr->class + 1) + offset);
goto END;
}
}
else switch(offset)
{
case GCW_HBRBACKGROUND: retvalue = wndPtr->class->hbrBackground;
case GCW_ATOM:
retvalue = wndPtr->class->atomName;
goto END;
case GCW_HCURSOR: retvalue = wndPtr->class->hCursor;
goto END;
case GCW_HICON: retvalue = wndPtr->class->hIcon;
goto END;
case GCW_HICONSM: retvalue = wndPtr->class->hIconSm;
goto END;
case GCW_ATOM: retvalue = wndPtr->class->atomName;
goto END;
case GCW_STYLE:
case GCW_CBWNDEXTRA:
case GCW_CBCLSEXTRA:
case GCW_HMODULE:
case GCL_HBRBACKGROUND:
case GCL_HCURSOR:
case GCL_HICON:
case GCL_HICONSM:
case GCL_STYLE:
case GCL_CBWNDEXTRA:
case GCL_CBCLSEXTRA:
case GCL_HMODULE:
retvalue = (WORD)GetClassLongA( hwnd, offset );
goto END;
}
@ -795,20 +790,36 @@ LONG WINAPI GetClassLongA( HWND hwnd, INT offset )
{
if (offset <= wndPtr->class->cbClsExtra - sizeof(LONG))
{
retvalue = GET_DWORD(((char *)wndPtr->class->wExtra) + offset);
retvalue = GET_DWORD((char *)(wndPtr->class + 1) + offset);
goto END;
}
}
switch(offset)
{
case GCL_STYLE: retvalue = (LONG)wndPtr->class->style;
case GCL_HBRBACKGROUND:
retvalue = (LONG)wndPtr->class->hbrBackground;
goto END;
case GCL_CBWNDEXTRA: retvalue = (LONG)wndPtr->class->cbWndExtra;
case GCL_HCURSOR:
retvalue = (LONG)wndPtr->class->hCursor;
goto END;
case GCL_CBCLSEXTRA: retvalue = (LONG)wndPtr->class->cbClsExtra;
case GCL_HICON:
retvalue = (LONG)wndPtr->class->hIcon;
goto END;
case GCL_HMODULE: retvalue = (LONG)wndPtr->class->hInstance;
case GCL_HICONSM:
retvalue = (LONG)wndPtr->class->hIconSm;
goto END;
case GCL_STYLE:
retvalue = (LONG)wndPtr->class->style;
goto END;
case GCL_CBWNDEXTRA:
retvalue = (LONG)wndPtr->class->cbWndExtra;
goto END;
case GCL_CBCLSEXTRA:
retvalue = (LONG)wndPtr->class->cbClsExtra;
goto END;
case GCL_HMODULE:
retvalue = (LONG)wndPtr->class->hInstance;
goto END;
case GCL_WNDPROC:
retvalue = (LONG)CLASS_GetProc( wndPtr->class, WIN_PROC_32A );
@ -817,10 +828,6 @@ LONG WINAPI GetClassLongA( HWND hwnd, INT offset )
retvalue = (LONG)CLASS_GetMenuNameA( wndPtr->class );
goto END;
case GCW_ATOM:
case GCL_HBRBACKGROUND:
case GCL_HCURSOR:
case GCL_HICON:
case GCL_HICONSM:
retvalue = GetClassWord( hwnd, offset );
goto END;
}
@ -884,7 +891,7 @@ WORD WINAPI SetClassWord( HWND hwnd, INT offset, WORD newval )
if (offset >= 0)
{
if (offset + sizeof(WORD) <= wndPtr->class->cbClsExtra)
ptr = ((char *)wndPtr->class->wExtra) + offset;
ptr = (char *)(wndPtr->class + 1) + offset;
else
{
WARN("Invalid offset %d\n", offset );
@ -894,17 +901,19 @@ WORD WINAPI SetClassWord( HWND hwnd, INT offset, WORD newval )
}
else switch(offset)
{
case GCW_STYLE:
case GCW_CBWNDEXTRA:
case GCW_CBCLSEXTRA:
case GCW_HMODULE:
case GCL_HBRBACKGROUND:
case GCL_HCURSOR:
case GCL_HICON:
case GCL_HICONSM:
case GCL_STYLE:
case GCL_CBWNDEXTRA:
case GCL_CBCLSEXTRA:
case GCL_HMODULE:
WIN_ReleaseWndPtr(wndPtr);
return (WORD)SetClassLongA( hwnd, offset, (LONG)newval );
case GCW_HBRBACKGROUND: ptr = &wndPtr->class->hbrBackground; break;
case GCW_HCURSOR: ptr = &wndPtr->class->hCursor; break;
case GCW_HICON: ptr = &wndPtr->class->hIcon; break;
case GCW_HICONSM: ptr = &wndPtr->class->hIconSm; break;
case GCW_ATOM: ptr = &wndPtr->class->atomName; break;
case GCW_ATOM:
ptr = &wndPtr->class->atomName;
break;
default:
WARN("Invalid offset %d\n", offset);
WIN_ReleaseWndPtr(wndPtr);
@ -957,7 +966,7 @@ LONG WINAPI SetClassLongA( HWND hwnd, INT offset, LONG newval )
if (offset >= 0)
{
if (offset + sizeof(LONG) <= wndPtr->class->cbClsExtra)
ptr = ((char *)wndPtr->class->wExtra) + offset;
ptr = (char *)(wndPtr->class + 1) + offset;
else
{
WARN("Invalid offset %d\n", offset );
@ -975,15 +984,32 @@ LONG WINAPI SetClassLongA( HWND hwnd, INT offset, LONG newval )
retval = (LONG)CLASS_SetProc( wndPtr->class, (WNDPROC)newval, WIN_PROC_32A );
goto END;
case GCL_HBRBACKGROUND:
ptr = &wndPtr->class->hbrBackground;
break;
case GCL_HCURSOR:
ptr = &wndPtr->class->hCursor;
break;
case GCL_HICON:
ptr = &wndPtr->class->hIcon;
break;
case GCL_HICONSM:
retval = SetClassWord( hwnd, offset, (WORD)newval );
goto END;
case GCL_STYLE: ptr = &wndPtr->class->style; break;
case GCL_CBWNDEXTRA: ptr = &wndPtr->class->cbWndExtra; break;
case GCL_CBCLSEXTRA: ptr = &wndPtr->class->cbClsExtra; break;
case GCL_HMODULE: ptr = &wndPtr->class->hInstance; break;
ptr = &wndPtr->class->hIconSm;
break;
case GCL_STYLE:
ptr = &wndPtr->class->style;
break;
case GCL_CBWNDEXTRA:
ptr = &wndPtr->class->cbWndExtra;
break;
case GCL_CBCLSEXTRA:
ptr = &wndPtr->class->cbClsExtra;
break;
case GCL_HMODULE:
ptr = &wndPtr->class->hInstance;
break;
case GCW_ATOM:
WIN_ReleaseWndPtr(wndPtr);
return SetClassWord( hwnd, offset, newval );
default:
WARN("Invalid offset %d\n", offset );
retval = 0;

6
windows/nonclient.c
View File

@ -1744,9 +1744,9 @@ LONG NC_HandleSetCursor( HWND hwnd, WPARAM wParam, LPARAM lParam )
case HTCLIENT:
{
HICON16 hCursor = (HICON16) GetClassWord(hwnd, GCW_HCURSOR);
HCURSOR hCursor = GetClassLongA(hwnd, GCL_HCURSOR);
if(hCursor) {
SetCursor16(hCursor);
SetCursor(hCursor);
return TRUE;
}
return FALSE;
@ -2159,7 +2159,7 @@ LONG NC_HandleNCLButtonDblClk( HWND hwnd, WPARAM wParam, LPARAM lParam )
break;
case HTSYSMENU:
if (!(GetClassWord(hwnd, GCW_STYLE) & CS_NOCLOSE))
if (!(GetClassLongW(hwnd, GCL_STYLE) & CS_NOCLOSE))
SendMessageW( hwnd, WM_SYSCOMMAND, SC_CLOSE, lParam );
break;