| /* |
| * Window classes functions |
| * |
| * Copyright 1993, 1996 Alexandre Julliard |
| * |
| * FIXME: In win32 all classes are local. They are registered at |
| * program start. Processes CANNOT share classes. (Source: some |
| * win31->NT migration book) |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include "class.h" |
| #include "heap.h" |
| #include "win.h" |
| #include "dce.h" |
| #include "atom.h" |
| #include "ldt.h" |
| #include "toolhelp.h" |
| #include "winproc.h" |
| #include "debug.h" |
| |
| |
| static CLASS *firstClass = NULL; |
| |
| |
| /*********************************************************************** |
| * CLASS_DumpClass |
| * |
| * Dump the content of a class structure to stderr. |
| */ |
| void CLASS_DumpClass( CLASS *ptr ) |
| { |
| char className[80]; |
| int i; |
| |
| if (ptr->magic != CLASS_MAGIC) |
| { |
| DUMP("%p is not a class\n", ptr ); |
| return; |
| } |
| |
| GlobalGetAtomName32A( ptr->atomName, className, sizeof(className) ); |
| |
| DUMP( "Class %p:\n", ptr ); |
| DUMP( "next=%p name=%04x '%s' style=%08x wndProc=%08x\n" |
| "inst=%04x dce=%08x icon=%04x cursor=%04x bkgnd=%04x\n" |
| "clsExtra=%d winExtra=%d #windows=%d\n", |
| ptr->next, ptr->atomName, className, ptr->style, |
| (UINT32)ptr->winproc, ptr->hInstance, (UINT32)ptr->dce, |
| ptr->hIcon, ptr->hCursor, ptr->hbrBackground, |
| ptr->cbClsExtra, ptr->cbWndExtra, ptr->cWindows ); |
| if (ptr->cbClsExtra) |
| { |
| DUMP( "extra bytes:" ); |
| for (i = 0; i < ptr->cbClsExtra; i++) |
| DUMP( " %02x", *((BYTE *)ptr->wExtra+i) ); |
| DUMP( "\n" ); |
| } |
| DUMP( "\n" ); |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_WalkClasses |
| * |
| * Walk the class list and print each class on stderr. |
| */ |
| void CLASS_WalkClasses(void) |
| { |
| CLASS *ptr; |
| char className[80]; |
| |
| DUMP( " Class Name Style WndProc\n" ); |
| for (ptr = firstClass; ptr; ptr = ptr->next) |
| { |
| GlobalGetAtomName32A( ptr->atomName, className, sizeof(className) ); |
| DUMP( "%08x %-20.20s %08x %08x\n", (UINT32)ptr, className, |
| ptr->style, (UINT32)ptr->winproc ); |
| } |
| DUMP( "\n" ); |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_GetMenuNameA |
| * |
| * Get the menu name as a ASCII string. |
| */ |
| static LPSTR CLASS_GetMenuNameA( CLASS *classPtr ) |
| { |
| if (!classPtr->menuNameA && classPtr->menuNameW) |
| { |
| /* We need to copy the Unicode string */ |
| classPtr->menuNameA = SEGPTR_STRDUP_WtoA( classPtr->menuNameW ); |
| } |
| return classPtr->menuNameA; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_GetMenuNameW |
| * |
| * Get the menu name as a Unicode string. |
| */ |
| static LPWSTR CLASS_GetMenuNameW( CLASS *classPtr ) |
| { |
| if (!classPtr->menuNameW && classPtr->menuNameA) |
| { |
| if (!HIWORD(classPtr->menuNameA)) |
| return (LPWSTR)classPtr->menuNameA; |
| /* Now we need to copy the ASCII string */ |
| classPtr->menuNameW = HEAP_strdupAtoW( SystemHeap, 0, |
| classPtr->menuNameA ); |
| } |
| return classPtr->menuNameW; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_SetMenuNameA |
| * |
| * Set the menu name in a class structure by copying the string. |
| */ |
| static void CLASS_SetMenuNameA( CLASS *classPtr, LPCSTR name ) |
| { |
| if (HIWORD(classPtr->menuNameA)) SEGPTR_FREE( classPtr->menuNameA ); |
| if (classPtr->menuNameW) HeapFree( SystemHeap, 0, classPtr->menuNameW ); |
| classPtr->menuNameA = SEGPTR_STRDUP( name ); |
| classPtr->menuNameW = 0; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_SetMenuNameW |
| * |
| * Set the menu name in a class structure by copying the string. |
| */ |
| static void CLASS_SetMenuNameW( CLASS *classPtr, LPCWSTR name ) |
| { |
| if (!HIWORD(name)) |
| { |
| CLASS_SetMenuNameA( classPtr, (LPCSTR)name ); |
| return; |
| } |
| if (HIWORD(classPtr->menuNameA)) SEGPTR_FREE( classPtr->menuNameA ); |
| if (classPtr->menuNameW) HeapFree( SystemHeap, 0, classPtr->menuNameW ); |
| if ((classPtr->menuNameW = HeapAlloc( SystemHeap, 0, |
| (lstrlen32W(name)+1)*sizeof(WCHAR) ))) |
| lstrcpy32W( classPtr->menuNameW, name ); |
| classPtr->menuNameA = 0; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_FreeClass |
| * |
| * Free a class structure. |
| */ |
| static BOOL32 CLASS_FreeClass( CLASS *classPtr ) |
| { |
| CLASS **ppClass; |
| |
| /* Check if we can remove this class */ |
| |
| if (classPtr->cWindows > 0) return FALSE; |
| |
| /* Remove the class from the linked list */ |
| |
| for (ppClass = &firstClass; *ppClass; ppClass = &(*ppClass)->next) |
| if (*ppClass == classPtr) break; |
| if (!*ppClass) |
| { |
| ERR( class, "Class list corrupted\n" ); |
| return FALSE; |
| } |
| *ppClass = classPtr->next; |
| |
| /* Delete the class */ |
| |
| if (classPtr->dce) DCE_FreeDCE( classPtr->dce ); |
| if (classPtr->hbrBackground) DeleteObject32( classPtr->hbrBackground ); |
| GlobalDeleteAtom( classPtr->atomName ); |
| CLASS_SetMenuNameA( classPtr, NULL ); |
| WINPROC_FreeProc( classPtr->winproc, WIN_PROC_CLASS ); |
| HeapFree( SystemHeap, 0, classPtr ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_FreeModuleClasses |
| */ |
| void CLASS_FreeModuleClasses( HMODULE16 hModule ) |
| { |
| CLASS *ptr, *next; |
| |
| for (ptr = firstClass; ptr; ptr = next) |
| { |
| next = ptr->next; |
| if (ptr->hInstance == hModule) CLASS_FreeClass( ptr ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_FindClassByAtom |
| * |
| * Return a pointer to the class. |
| * hinstance has been normalized by the caller. |
| */ |
| CLASS *CLASS_FindClassByAtom( ATOM atom, HINSTANCE32 hinstance ) |
| { |
| CLASS * class; |
| |
| /* First search task-specific classes */ |
| |
| for (class = firstClass; (class); class = class->next) |
| { |
| if (class->style & CS_GLOBALCLASS) continue; |
| if ((class->atomName == atom) && |
| ((hinstance == 0xffff) || |
| (hinstance == class->hInstance))) return class; |
| } |
| |
| /* Then search global classes */ |
| |
| for (class = firstClass; (class); class = class->next) |
| { |
| if (!(class->style & CS_GLOBALCLASS)) continue; |
| if (class->atomName == atom) return class; |
| } |
| |
| return 0; |
| } |
| |
| |
| /*********************************************************************** |
| * CLASS_RegisterClass |
| * |
| * The real RegisterClass() functionality. |
| */ |
| static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE32 hInstance, |
| DWORD style, INT32 classExtra, |
| INT32 winExtra, WNDPROC16 wndProc, |
| WINDOWPROCTYPE wndProcType ) |
| { |
| CLASS *classPtr; |
| |
| /* Check if a class with this name already exists */ |
| |
| classPtr = CLASS_FindClassByAtom( atom, hInstance ); |
| if (classPtr) |
| { |
| /* Class can be created only if it is local and */ |
| /* if the class with the same name is global. */ |
| |
| if (style & CS_GLOBALCLASS) return NULL; |
| if (!(classPtr->style & CS_GLOBALCLASS)) return NULL; |
| } |
| |
| /* Fix the extra bytes value */ |
| |
| if (classExtra < 0) classExtra = 0; |
| else if (classExtra > 40) /* Extra bytes are limited to 40 in Win32 */ |
| WARN(class, "Class extra bytes %d is > 40\n", classExtra); |
| if (winExtra < 0) winExtra = 0; |
| else if (winExtra > 40) /* Extra bytes are limited to 40 in Win32 */ |
| WARN(class, "Win extra bytes %d is > 40\n", winExtra ); |
| |
| /* Create the class */ |
| |
| classPtr = (CLASS *)HeapAlloc( SystemHeap, 0, sizeof(CLASS) + |
| classExtra - sizeof(classPtr->wExtra) ); |
| if (!classPtr) return NULL; |
| classPtr->next = firstClass; |
| classPtr->magic = CLASS_MAGIC; |
| classPtr->cWindows = 0; |
| classPtr->style = style; |
| classPtr->winproc = (HWINDOWPROC)0; |
| classPtr->cbWndExtra = winExtra; |
| classPtr->cbClsExtra = classExtra; |
| classPtr->hInstance = hInstance; |
| classPtr->atomName = atom; |
| classPtr->menuNameA = 0; |
| classPtr->menuNameW = 0; |
| classPtr->dce = (style & CS_CLASSDC) ? |
| DCE_AllocDCE( 0, DCE_CLASS_DC ) : NULL; |
| |
| WINPROC_SetProc( &classPtr->winproc, wndProc, wndProcType, WIN_PROC_CLASS); |
| |
| /* Other values must be set by caller */ |
| |
| if (classExtra) memset( classPtr->wExtra, 0, classExtra ); |
| firstClass = classPtr; |
| return classPtr; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClass16 (USER.57) |
| */ |
| ATOM WINAPI RegisterClass16( const WNDCLASS16 *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| HINSTANCE16 hInstance=GetExePtr(wc->hInstance); |
| |
| if (!(atom = GlobalAddAtom16( wc->lpszClassName ))) return 0; |
| if (!(classPtr = CLASS_RegisterClass( atom, hInstance, wc->style, |
| wc->cbClsExtra, wc->cbWndExtra, |
| wc->lpfnWndProc, WIN_PROC_16 ))) |
| { |
| GlobalDeleteAtom( atom ); |
| return 0; |
| } |
| |
| TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x |
| bg=%04x style=%08x clsExt=%d winExt=%d class=%p name='%s'\n", |
| atom, (DWORD)wc->lpfnWndProc, hInstance, |
| wc->hbrBackground, wc->style, wc->cbClsExtra, |
| wc->cbWndExtra, classPtr, |
| HIWORD(wc->lpszClassName) ? |
| (char *)PTR_SEG_TO_LIN(wc->lpszClassName) : "" ); |
| |
| classPtr->hIcon = wc->hIcon; |
| classPtr->hIconSm = 0; |
| classPtr->hCursor = wc->hCursor; |
| classPtr->hbrBackground = wc->hbrBackground; |
| |
| CLASS_SetMenuNameA( classPtr, HIWORD(wc->lpszMenuName) ? |
| PTR_SEG_TO_LIN(wc->lpszMenuName) : (LPCSTR)wc->lpszMenuName ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClass32A (USER32.427) |
| * RETURNS |
| * >0: Unique identifier |
| * 0: Failure |
| */ |
| ATOM WINAPI RegisterClass32A( |
| const WNDCLASS32A* wc /* Address of structure with class data */ |
| ) { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalAddAtom32A( wc->lpszClassName ))) return 0; |
| if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style, |
| wc->cbClsExtra, wc->cbWndExtra, |
| (WNDPROC16)wc->lpfnWndProc, |
| WIN_PROC_32A ))) |
| { |
| GlobalDeleteAtom( atom ); |
| return 0; |
| } |
| |
| TRACE(class, "atom=%04x wndproc=%08lx |
| hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p name='%s'\n", |
| atom, (DWORD)wc->lpfnWndProc, wc->hInstance, |
| wc->hbrBackground, wc->style, wc->cbClsExtra, |
| wc->cbWndExtra, classPtr, |
| HIWORD(wc->lpszClassName) ? wc->lpszClassName : "" ); |
| |
| classPtr->hIcon = (HICON16)wc->hIcon; |
| classPtr->hIconSm = 0; |
| classPtr->hCursor = (HCURSOR16)wc->hCursor; |
| classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground; |
| CLASS_SetMenuNameA( classPtr, wc->lpszMenuName ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClass32W (USER32.430) |
| */ |
| ATOM WINAPI RegisterClass32W( const WNDCLASS32W* wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalAddAtom32W( wc->lpszClassName ))) return 0; |
| if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style, |
| wc->cbClsExtra, wc->cbWndExtra, |
| (WNDPROC16)wc->lpfnWndProc, |
| WIN_PROC_32W ))) |
| { |
| GlobalDeleteAtom( atom ); |
| return 0; |
| } |
| |
| TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n", |
| atom, (DWORD)wc->lpfnWndProc, wc->hInstance, |
| wc->hbrBackground, wc->style, wc->cbClsExtra, |
| wc->cbWndExtra, classPtr ); |
| |
| classPtr->hIcon = (HICON16)wc->hIcon; |
| classPtr->hIconSm = 0; |
| classPtr->hCursor = (HCURSOR16)wc->hCursor; |
| classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground; |
| CLASS_SetMenuNameW( classPtr, wc->lpszMenuName ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClassEx16 (USER.397) |
| */ |
| ATOM WINAPI RegisterClassEx16( const WNDCLASSEX16 *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| HINSTANCE16 hInstance = GetExePtr( wc->hInstance ); |
| |
| if (!(atom = GlobalAddAtom16( wc->lpszClassName ))) return 0; |
| if (!(classPtr = CLASS_RegisterClass( atom, hInstance, wc->style, |
| wc->cbClsExtra, wc->cbWndExtra, |
| wc->lpfnWndProc, WIN_PROC_16 ))) |
| { |
| GlobalDeleteAtom( atom ); |
| return 0; |
| } |
| |
| TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n", |
| atom, (DWORD)wc->lpfnWndProc, hInstance, |
| wc->hbrBackground, wc->style, wc->cbClsExtra, |
| wc->cbWndExtra, classPtr ); |
| |
| classPtr->hIcon = wc->hIcon; |
| classPtr->hIconSm = wc->hIconSm; |
| classPtr->hCursor = wc->hCursor; |
| classPtr->hbrBackground = wc->hbrBackground; |
| |
| CLASS_SetMenuNameA( classPtr, HIWORD(wc->lpszMenuName) ? |
| PTR_SEG_TO_LIN(wc->lpszMenuName) : (LPCSTR)wc->lpszMenuName ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClassEx32A (USER32.428) |
| */ |
| ATOM WINAPI RegisterClassEx32A( const WNDCLASSEX32A* wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalAddAtom32A( wc->lpszClassName ))) return 0; |
| if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style, |
| wc->cbClsExtra, wc->cbWndExtra, |
| (WNDPROC16)wc->lpfnWndProc, |
| WIN_PROC_32A ))) |
| { |
| GlobalDeleteAtom( atom ); |
| return 0; |
| } |
| |
| TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n", |
| atom, (DWORD)wc->lpfnWndProc, wc->hInstance, |
| wc->hbrBackground, wc->style, wc->cbClsExtra, |
| wc->cbWndExtra, classPtr ); |
| |
| classPtr->hIcon = (HICON16)wc->hIcon; |
| classPtr->hIconSm = (HICON16)wc->hIconSm; |
| classPtr->hCursor = (HCURSOR16)wc->hCursor; |
| classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground; |
| CLASS_SetMenuNameA( classPtr, wc->lpszMenuName ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * RegisterClassEx32W (USER32.429) |
| */ |
| ATOM WINAPI RegisterClassEx32W( const WNDCLASSEX32W* wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalAddAtom32W( wc->lpszClassName ))) return 0; |
| if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style, |
| wc->cbClsExtra, wc->cbWndExtra, |
| (WNDPROC16)wc->lpfnWndProc, |
| WIN_PROC_32W ))) |
| { |
| GlobalDeleteAtom( atom ); |
| return 0; |
| } |
| |
| TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n", |
| atom, (DWORD)wc->lpfnWndProc, wc->hInstance, |
| wc->hbrBackground, wc->style, wc->cbClsExtra, |
| wc->cbWndExtra, classPtr ); |
| |
| classPtr->hIcon = (HICON16)wc->hIcon; |
| classPtr->hIconSm = (HICON16)wc->hIconSm; |
| classPtr->hCursor = (HCURSOR16)wc->hCursor; |
| classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground; |
| CLASS_SetMenuNameW( classPtr, wc->lpszMenuName ); |
| return atom; |
| } |
| |
| |
| /*********************************************************************** |
| * UnregisterClass16 (USER.403) |
| */ |
| BOOL16 WINAPI UnregisterClass16( SEGPTR className, HINSTANCE16 hInstance ) |
| { |
| CLASS *classPtr; |
| ATOM atom; |
| |
| hInstance = GetExePtr( hInstance ); |
| if (!(atom = GlobalFindAtom16( className ))) return FALSE; |
| if (!(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (classPtr->hInstance != hInstance)) return FALSE; |
| return CLASS_FreeClass( classPtr ); |
| } |
| |
| |
| /*********************************************************************** |
| * UnregisterClass32A (USER32.563) |
| */ |
| BOOL32 WINAPI UnregisterClass32A( LPCSTR className, HINSTANCE32 hInstance ) |
| { |
| CLASS *classPtr; |
| ATOM atom; |
| |
| if (!(atom = GlobalFindAtom32A( className ))) return FALSE; |
| if (!(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (classPtr->hInstance != hInstance)) return FALSE; |
| return CLASS_FreeClass( classPtr ); |
| } |
| |
| |
| /*********************************************************************** |
| * UnregisterClass32W (USER32.564) |
| */ |
| BOOL32 WINAPI UnregisterClass32W( LPCWSTR className, HINSTANCE32 hInstance ) |
| { |
| CLASS *classPtr; |
| ATOM atom; |
| |
| if (!(atom = GlobalFindAtom32W( className ))) return FALSE; |
| if (!(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (classPtr->hInstance != hInstance)) return FALSE; |
| return CLASS_FreeClass( classPtr ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassWord16 (USER.129) |
| */ |
| WORD WINAPI GetClassWord16( HWND16 hwnd, INT16 offset ) |
| { |
| return GetClassWord32( hwnd, offset ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassWord32 (USER32.219) |
| */ |
| WORD WINAPI GetClassWord32( HWND32 hwnd, INT32 offset ) |
| { |
| WND * wndPtr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| if (offset >= 0) |
| { |
| if (offset <= wndPtr->class->cbClsExtra - sizeof(WORD)) |
| return GET_WORD(((char *)wndPtr->class->wExtra) + offset); |
| } |
| else switch(offset) |
| { |
| case GCW_HBRBACKGROUND: return wndPtr->class->hbrBackground; |
| case GCW_HCURSOR: return wndPtr->class->hCursor; |
| case GCW_HICON: return wndPtr->class->hIcon; |
| case GCW_HICONSM: return wndPtr->class->hIconSm; |
| case GCW_ATOM: return wndPtr->class->atomName; |
| case GCW_STYLE: |
| case GCW_CBWNDEXTRA: |
| case GCW_CBCLSEXTRA: |
| case GCW_HMODULE: |
| return (WORD)GetClassLong32A( hwnd, offset ); |
| } |
| WARN(class, "Invalid offset %d\n", offset); |
| return 0; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassLong16 (USER.131) |
| */ |
| LONG WINAPI GetClassLong16( HWND16 hwnd, INT16 offset ) |
| { |
| WND *wndPtr; |
| LONG ret; |
| |
| switch( offset ) |
| { |
| case GCL_WNDPROC: |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| return (LONG)WINPROC_GetProc( wndPtr->class->winproc, WIN_PROC_16 ); |
| case GCL_MENUNAME: |
| ret = GetClassLong32A( hwnd, offset ); |
| return (LONG)SEGPTR_GET( (void *)ret ); |
| default: |
| return GetClassLong32A( hwnd, offset ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassLong32A (USER32.215) |
| */ |
| LONG WINAPI GetClassLong32A( HWND32 hwnd, INT32 offset ) |
| { |
| WND * wndPtr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| if (offset >= 0) |
| { |
| if (offset <= wndPtr->class->cbClsExtra - sizeof(LONG)) |
| return GET_DWORD(((char *)wndPtr->class->wExtra) + offset); |
| } |
| switch(offset) |
| { |
| case GCL_STYLE: return (LONG)wndPtr->class->style; |
| case GCL_CBWNDEXTRA: return (LONG)wndPtr->class->cbWndExtra; |
| case GCL_CBCLSEXTRA: return (LONG)wndPtr->class->cbClsExtra; |
| case GCL_HMODULE: return (LONG)wndPtr->class->hInstance; |
| case GCL_WNDPROC: |
| return (LONG)WINPROC_GetProc(wndPtr->class->winproc, WIN_PROC_32A); |
| case GCL_MENUNAME: |
| return (LONG)CLASS_GetMenuNameA( wndPtr->class ); |
| case GCL_HBRBACKGROUND: |
| case GCL_HCURSOR: |
| case GCL_HICON: |
| case GCL_HICONSM: |
| return GetClassWord32( hwnd, offset ); |
| } |
| WARN(class, "Invalid offset %d\n", offset); |
| return 0; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassLong32W (USER32.216) |
| */ |
| LONG WINAPI GetClassLong32W( HWND32 hwnd, INT32 offset ) |
| { |
| WND * wndPtr; |
| |
| switch(offset) |
| { |
| case GCL_WNDPROC: |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| return (LONG)WINPROC_GetProc( wndPtr->class->winproc, WIN_PROC_32W ); |
| case GCL_MENUNAME: |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| return (LONG)CLASS_GetMenuNameW( wndPtr->class ); |
| default: |
| return GetClassLong32A( hwnd, offset ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassWord16 (USER.130) |
| */ |
| WORD WINAPI SetClassWord16( HWND16 hwnd, INT16 offset, WORD newval ) |
| { |
| return SetClassWord32( hwnd, offset, newval ); |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassWord32 (USER32.469) |
| */ |
| WORD WINAPI SetClassWord32( HWND32 hwnd, INT32 offset, WORD newval ) |
| { |
| WND * wndPtr; |
| WORD retval = 0; |
| void *ptr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| if (offset >= 0) |
| { |
| if (offset + sizeof(WORD) <= wndPtr->class->cbClsExtra) |
| ptr = ((char *)wndPtr->class->wExtra) + offset; |
| else |
| { |
| WARN( class, "Invalid offset %d\n", offset ); |
| return 0; |
| } |
| } |
| else switch(offset) |
| { |
| case GCW_STYLE: |
| case GCW_CBWNDEXTRA: |
| case GCW_CBCLSEXTRA: |
| case GCW_HMODULE: |
| return (WORD)SetClassLong32A( 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; |
| default: |
| WARN( class, "Invalid offset %d\n", offset); |
| return 0; |
| } |
| retval = GET_WORD(ptr); |
| PUT_WORD( ptr, newval ); |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassLong16 (USER.132) |
| */ |
| LONG WINAPI SetClassLong16( HWND16 hwnd, INT16 offset, LONG newval ) |
| { |
| WND *wndPtr; |
| LONG retval; |
| |
| switch(offset) |
| { |
| case GCL_WNDPROC: |
| if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; |
| retval = (LONG)WINPROC_GetProc( wndPtr->class->winproc, WIN_PROC_16 ); |
| WINPROC_SetProc( &wndPtr->class->winproc, (WNDPROC16)newval, |
| WIN_PROC_16, WIN_PROC_CLASS ); |
| return retval; |
| case GCL_MENUNAME: |
| return SetClassLong32A( hwnd, offset, (LONG)PTR_SEG_TO_LIN(newval) ); |
| default: |
| return SetClassLong32A( hwnd, offset, newval ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassLong32A (USER32.467) |
| */ |
| LONG WINAPI SetClassLong32A( HWND32 hwnd, INT32 offset, LONG newval ) |
| { |
| WND * wndPtr; |
| LONG retval = 0; |
| void *ptr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| if (offset >= 0) |
| { |
| if (offset + sizeof(LONG) <= wndPtr->class->cbClsExtra) |
| ptr = ((char *)wndPtr->class->wExtra) + offset; |
| else |
| { |
| WARN( class, "Invalid offset %d\n", offset ); |
| return 0; |
| } |
| } |
| else switch(offset) |
| { |
| case GCL_MENUNAME: |
| CLASS_SetMenuNameA( wndPtr->class, (LPCSTR)newval ); |
| return 0; /* Old value is now meaningless anyway */ |
| case GCL_WNDPROC: |
| retval = (LONG)WINPROC_GetProc( wndPtr->class->winproc, |
| WIN_PROC_32A ); |
| WINPROC_SetProc( &wndPtr->class->winproc, (WNDPROC16)newval, |
| WIN_PROC_32A, WIN_PROC_CLASS ); |
| return retval; |
| case GCL_HBRBACKGROUND: |
| case GCL_HCURSOR: |
| case GCL_HICON: |
| case GCL_HICONSM: |
| return SetClassWord32( hwnd, offset, (WORD)newval ); |
| 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; |
| default: |
| WARN( class, "Invalid offset %d\n", offset ); |
| return 0; |
| } |
| retval = GET_DWORD(ptr); |
| PUT_DWORD( ptr, newval ); |
| return retval; |
| } |
| |
| |
| /*********************************************************************** |
| * SetClassLong32W (USER32.468) |
| */ |
| LONG WINAPI SetClassLong32W( HWND32 hwnd, INT32 offset, LONG newval ) |
| { |
| WND *wndPtr; |
| LONG retval; |
| |
| switch(offset) |
| { |
| case GCL_WNDPROC: |
| if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; |
| retval = (LONG)WINPROC_GetProc( wndPtr->class->winproc, WIN_PROC_32W ); |
| WINPROC_SetProc( &wndPtr->class->winproc, (WNDPROC16)newval, |
| WIN_PROC_32W, WIN_PROC_CLASS ); |
| return retval; |
| case GCL_MENUNAME: |
| if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; |
| CLASS_SetMenuNameW( wndPtr->class, (LPCWSTR)newval ); |
| return 0; /* Old value is now meaningless anyway */ |
| default: |
| return SetClassLong32A( hwnd, offset, newval ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassName16 (USER.58) |
| */ |
| INT16 WINAPI GetClassName16( HWND16 hwnd, LPSTR buffer, INT16 count ) |
| { |
| WND *wndPtr; |
| if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; |
| return GlobalGetAtomName16( wndPtr->class->atomName, buffer, count ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassName32A (USER32.217) |
| */ |
| INT32 WINAPI GetClassName32A( HWND32 hwnd, LPSTR buffer, INT32 count ) |
| { |
| WND *wndPtr; |
| if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; |
| return GlobalGetAtomName32A( wndPtr->class->atomName, buffer, count ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassName32W (USER32.218) |
| */ |
| INT32 WINAPI GetClassName32W( HWND32 hwnd, LPWSTR buffer, INT32 count ) |
| { |
| WND *wndPtr; |
| if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; |
| return GlobalGetAtomName32W( wndPtr->class->atomName, buffer, count ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfo16 (USER.404) |
| */ |
| BOOL16 WINAPI GetClassInfo16( HINSTANCE16 hInstance, SEGPTR name, |
| WNDCLASS16 *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| hInstance = GetExePtr( hInstance ); |
| if (!(atom = GlobalFindAtom16( name )) || |
| !(classPtr = CLASS_FindClassByAtom( atom, hInstance ))) |
| return FALSE; |
| if ((hInstance != classPtr->hInstance) && |
| !(classPtr->style & CS_GLOBALCLASS)) /*BWCC likes to pass hInstance=0*/ |
| return FALSE; |
| wc->style = (UINT16)classPtr->style; |
| wc->lpfnWndProc = WINPROC_GetProc( classPtr->winproc, WIN_PROC_16 ); |
| wc->cbClsExtra = (INT16)classPtr->cbClsExtra; |
| wc->cbWndExtra = (INT16)classPtr->cbWndExtra; |
| wc->hInstance = (HINSTANCE16)classPtr->hInstance; |
| wc->hIcon = classPtr->hIcon; |
| wc->hCursor = classPtr->hCursor; |
| wc->hbrBackground = classPtr->hbrBackground; |
| wc->lpszClassName = (SEGPTR)0; |
| wc->lpszMenuName = (SEGPTR)CLASS_GetMenuNameA( classPtr ); |
| if (HIWORD(wc->lpszMenuName)) /* Make it a SEGPTR */ |
| wc->lpszMenuName = SEGPTR_GET( (LPSTR)wc->lpszMenuName ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfo32A (USER32.211) |
| */ |
| BOOL32 WINAPI GetClassInfo32A( HINSTANCE32 hInstance, LPCSTR name, |
| WNDCLASS32A *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalFindAtom32A( name )) || |
| !(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (classPtr->hInstance && (hInstance != classPtr->hInstance))) |
| return FALSE; |
| |
| wc->style = classPtr->style; |
| wc->lpfnWndProc = (WNDPROC32)WINPROC_GetProc( classPtr->winproc, |
| WIN_PROC_32A ); |
| wc->cbClsExtra = classPtr->cbClsExtra; |
| wc->cbWndExtra = classPtr->cbWndExtra; |
| wc->hInstance = classPtr->hInstance; |
| wc->hIcon = (HICON32)classPtr->hIcon; |
| wc->hCursor = (HCURSOR32)classPtr->hCursor; |
| wc->hbrBackground = (HBRUSH32)classPtr->hbrBackground; |
| wc->lpszMenuName = CLASS_GetMenuNameA( classPtr ); |
| wc->lpszClassName = NULL; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfo32W (USER32.214) |
| */ |
| BOOL32 WINAPI GetClassInfo32W( HINSTANCE32 hInstance, LPCWSTR name, |
| WNDCLASS32W *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalFindAtom32W( name )) || |
| !(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (classPtr->hInstance && (hInstance != classPtr->hInstance))) |
| return FALSE; |
| |
| wc->style = classPtr->style; |
| wc->lpfnWndProc = (WNDPROC32)WINPROC_GetProc( classPtr->winproc, |
| WIN_PROC_32W ); |
| wc->cbClsExtra = classPtr->cbClsExtra; |
| wc->cbWndExtra = classPtr->cbWndExtra; |
| wc->hInstance = classPtr->hInstance; |
| wc->hIcon = (HICON32)classPtr->hIcon; |
| wc->hCursor = (HCURSOR32)classPtr->hCursor; |
| wc->hbrBackground = (HBRUSH32)classPtr->hbrBackground; |
| wc->lpszMenuName = CLASS_GetMenuNameW( classPtr ); |
| wc->lpszClassName = NULL; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfoEx16 (USER.398) |
| * |
| * FIXME: this is just a guess, I have no idea if GetClassInfoEx() is the |
| * same in Win16 as in Win32. --AJ |
| */ |
| BOOL16 WINAPI GetClassInfoEx16( HINSTANCE16 hInstance, SEGPTR name, |
| WNDCLASSEX16 *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| hInstance = GetExePtr( hInstance ); |
| if (!(atom = GlobalFindAtom16( name )) || |
| !(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (hInstance != classPtr->hInstance)) return FALSE; |
| wc->style = classPtr->style; |
| wc->lpfnWndProc = WINPROC_GetProc( classPtr->winproc, WIN_PROC_16 ); |
| wc->cbClsExtra = (INT16)classPtr->cbClsExtra; |
| wc->cbWndExtra = (INT16)classPtr->cbWndExtra; |
| wc->hInstance = (HINSTANCE16)classPtr->hInstance; |
| wc->hIcon = classPtr->hIcon; |
| wc->hIconSm = classPtr->hIconSm; |
| wc->hCursor = classPtr->hCursor; |
| wc->hbrBackground = classPtr->hbrBackground; |
| wc->lpszClassName = (SEGPTR)0; |
| wc->lpszMenuName = (SEGPTR)CLASS_GetMenuNameA( classPtr ); |
| if (HIWORD(wc->lpszMenuName)) /* Make it a SEGPTR */ |
| wc->lpszMenuName = SEGPTR_GET( (LPSTR)wc->lpszMenuName ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfoEx32A (USER32.212) |
| */ |
| BOOL32 WINAPI GetClassInfoEx32A( HINSTANCE32 hInstance, LPCSTR name, |
| WNDCLASSEX32A *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalFindAtom32A( name )) || |
| !(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (hInstance != classPtr->hInstance)) return FALSE; |
| wc->style = classPtr->style; |
| wc->lpfnWndProc = (WNDPROC32)WINPROC_GetProc( classPtr->winproc, |
| WIN_PROC_32A ); |
| wc->cbClsExtra = classPtr->cbClsExtra; |
| wc->cbWndExtra = classPtr->cbWndExtra; |
| wc->hInstance = classPtr->hInstance; |
| wc->hIcon = (HICON32)classPtr->hIcon; |
| wc->hIconSm = (HICON32)classPtr->hIconSm; |
| wc->hCursor = (HCURSOR32)classPtr->hCursor; |
| wc->hbrBackground = (HBRUSH32)classPtr->hbrBackground; |
| wc->lpszMenuName = CLASS_GetMenuNameA( classPtr ); |
| wc->lpszClassName = NULL; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetClassInfoEx32W (USER32.213) |
| */ |
| BOOL32 WINAPI GetClassInfoEx32W( HINSTANCE32 hInstance, LPCWSTR name, |
| WNDCLASSEX32W *wc ) |
| { |
| ATOM atom; |
| CLASS *classPtr; |
| |
| if (!(atom = GlobalFindAtom32W( name )) || |
| !(classPtr = CLASS_FindClassByAtom( atom, hInstance )) || |
| (hInstance != classPtr->hInstance)) return FALSE; |
| wc->style = classPtr->style; |
| wc->lpfnWndProc = (WNDPROC32)WINPROC_GetProc( classPtr->winproc, |
| WIN_PROC_32W ); |
| wc->cbClsExtra = classPtr->cbClsExtra; |
| wc->cbWndExtra = classPtr->cbWndExtra; |
| wc->hInstance = classPtr->hInstance; |
| wc->hIcon = (HICON32)classPtr->hIcon; |
| wc->hIconSm = (HICON32)classPtr->hIconSm; |
| wc->hCursor = (HCURSOR32)classPtr->hCursor; |
| wc->hbrBackground = (HBRUSH32)classPtr->hbrBackground; |
| wc->lpszMenuName = CLASS_GetMenuNameW( classPtr ); |
| wc->lpszClassName = NULL; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * ClassFirst (TOOLHELP.69) |
| */ |
| BOOL16 WINAPI ClassFirst( CLASSENTRY *pClassEntry ) |
| { |
| pClassEntry->wNext = 1; |
| return ClassNext( pClassEntry ); |
| } |
| |
| |
| /*********************************************************************** |
| * ClassNext (TOOLHELP.70) |
| */ |
| BOOL16 WINAPI ClassNext( CLASSENTRY *pClassEntry ) |
| { |
| int i; |
| CLASS *class = firstClass; |
| |
| if (!pClassEntry->wNext) return FALSE; |
| for (i = 1; (i < pClassEntry->wNext) && class; i++) class = class->next; |
| if (!class) |
| { |
| pClassEntry->wNext = 0; |
| return FALSE; |
| } |
| pClassEntry->hInst = class->hInstance; |
| pClassEntry->wNext++; |
| GlobalGetAtomName32A( class->atomName, pClassEntry->szClassName, |
| sizeof(pClassEntry->szClassName) ); |
| return TRUE; |
| } |
