1068 lines
34 KiB
C
1068 lines
34 KiB
C
/*
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* Window classes functions
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*
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* Copyright 1993, 1996 Alexandre Julliard
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*
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* FIXME: In win32 all classes are local. They are registered at
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* program start. Processes CANNOT share classes. (Source: some
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* win31->NT migration book)
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "class.h"
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#include "heap.h"
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#include "win.h"
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#include "dce.h"
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#include "atom.h"
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#include "ldt.h"
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#include "toolhelp.h"
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#include "winproc.h"
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#include "debug.h"
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static CLASS *firstClass = NULL;
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/***********************************************************************
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* CLASS_DumpClass
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*
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* Dump the content of a class structure to stderr.
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*/
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void CLASS_DumpClass( CLASS *ptr )
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{
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char className[80];
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int i;
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if (ptr->magic != CLASS_MAGIC)
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{
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fprintf( stderr, "%p is not a class\n", ptr );
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return;
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}
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GlobalGetAtomName32A( ptr->atomName, className, sizeof(className) );
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fprintf( stderr, "Class %p:\n", ptr );
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fprintf( stderr,
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"next=%p name=%04x '%s' style=%08x wndProc=%08x\n"
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"inst=%04x dce=%08x icon=%04x cursor=%04x bkgnd=%04x\n"
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"clsExtra=%d winExtra=%d #windows=%d\n",
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ptr->next, ptr->atomName, className, ptr->style,
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(UINT32)ptr->winproc, ptr->hInstance, (UINT32)ptr->dce,
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ptr->hIcon, ptr->hCursor, ptr->hbrBackground,
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ptr->cbClsExtra, ptr->cbWndExtra, ptr->cWindows );
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if (ptr->cbClsExtra)
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{
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fprintf( stderr, "extra bytes:" );
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for (i = 0; i < ptr->cbClsExtra; i++)
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fprintf( stderr, " %02x", *((BYTE *)ptr->wExtra+i) );
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fprintf( stderr, "\n" );
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}
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fprintf( stderr, "\n" );
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}
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/***********************************************************************
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* CLASS_WalkClasses
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*
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* Walk the class list and print each class on stderr.
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*/
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void CLASS_WalkClasses(void)
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{
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CLASS *ptr;
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char className[80];
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fprintf( stderr, " Class Name Style WndProc\n" );
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for (ptr = firstClass; ptr; ptr = ptr->next)
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{
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GlobalGetAtomName32A( ptr->atomName, className, sizeof(className) );
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fprintf( stderr, "%08x %-20.20s %08x %08x\n", (UINT32)ptr, className,
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ptr->style, (UINT32)ptr->winproc );
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}
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fprintf( stderr, "\n" );
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}
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/***********************************************************************
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* CLASS_GetMenuNameA
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*
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* Get the menu name as a ASCII string.
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*/
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static LPSTR CLASS_GetMenuNameA( CLASS *classPtr )
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{
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if (!classPtr->menuNameA && classPtr->menuNameW)
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{
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/* We need to copy the Unicode string */
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classPtr->menuNameA = SEGPTR_STRDUP_WtoA( classPtr->menuNameW );
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}
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return classPtr->menuNameA;
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}
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/***********************************************************************
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* CLASS_GetMenuNameW
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*
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* Get the menu name as a Unicode string.
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*/
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static LPWSTR CLASS_GetMenuNameW( CLASS *classPtr )
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{
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if (!classPtr->menuNameW && classPtr->menuNameA)
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{
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if (!HIWORD(classPtr->menuNameA))
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return (LPWSTR)classPtr->menuNameA;
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/* Now we need to copy the ASCII string */
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classPtr->menuNameW = HEAP_strdupAtoW( SystemHeap, 0,
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classPtr->menuNameA );
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}
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return classPtr->menuNameW;
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}
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/***********************************************************************
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* CLASS_SetMenuNameA
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*
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* Set the menu name in a class structure by copying the string.
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*/
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static void CLASS_SetMenuNameA( CLASS *classPtr, LPCSTR name )
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{
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if (HIWORD(classPtr->menuNameA)) SEGPTR_FREE( classPtr->menuNameA );
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if (classPtr->menuNameW) HeapFree( SystemHeap, 0, classPtr->menuNameW );
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classPtr->menuNameA = SEGPTR_STRDUP( name );
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classPtr->menuNameW = 0;
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}
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/***********************************************************************
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* CLASS_SetMenuNameW
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*
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* Set the menu name in a class structure by copying the string.
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*/
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static void CLASS_SetMenuNameW( CLASS *classPtr, LPCWSTR name )
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{
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if (!HIWORD(name))
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{
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CLASS_SetMenuNameA( classPtr, (LPCSTR)name );
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return;
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}
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if (HIWORD(classPtr->menuNameA)) SEGPTR_FREE( classPtr->menuNameA );
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if (classPtr->menuNameW) HeapFree( SystemHeap, 0, classPtr->menuNameW );
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if ((classPtr->menuNameW = HeapAlloc( SystemHeap, 0,
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(lstrlen32W(name)+1)*sizeof(WCHAR) )))
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lstrcpy32W( classPtr->menuNameW, name );
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classPtr->menuNameA = 0;
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}
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/***********************************************************************
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* CLASS_FreeClass
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*
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* Free a class structure.
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*/
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static BOOL32 CLASS_FreeClass( CLASS *classPtr )
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{
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CLASS **ppClass;
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/* Check if we can remove this class */
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if (classPtr->cWindows > 0) return FALSE;
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/* Remove the class from the linked list */
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for (ppClass = &firstClass; *ppClass; ppClass = &(*ppClass)->next)
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if (*ppClass == classPtr) break;
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if (!*ppClass)
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{
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fprintf(stderr, "ERROR: Class list corrupted\n" );
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return FALSE;
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}
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*ppClass = classPtr->next;
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/* Delete the class */
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if (classPtr->dce) DCE_FreeDCE( classPtr->dce );
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if (classPtr->hbrBackground) DeleteObject32( classPtr->hbrBackground );
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GlobalDeleteAtom( classPtr->atomName );
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CLASS_SetMenuNameA( classPtr, NULL );
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WINPROC_FreeProc( classPtr->winproc, WIN_PROC_CLASS );
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HeapFree( SystemHeap, 0, classPtr );
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return TRUE;
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}
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/***********************************************************************
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* CLASS_FreeModuleClasses
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*/
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void CLASS_FreeModuleClasses( HMODULE16 hModule )
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{
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CLASS *ptr, *next;
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for (ptr = firstClass; ptr; ptr = next)
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{
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next = ptr->next;
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if (ptr->hInstance == hModule) CLASS_FreeClass( ptr );
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}
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}
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/***********************************************************************
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* CLASS_FindClassByAtom
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*
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* Return a pointer to the class.
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* hinstance has been normalized by the caller.
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*/
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CLASS *CLASS_FindClassByAtom( ATOM atom, HINSTANCE32 hinstance )
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{
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CLASS * class;
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/* First search task-specific classes */
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for (class = firstClass; (class); class = class->next)
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{
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if (class->style & CS_GLOBALCLASS) continue;
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if ((class->atomName == atom) &&
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((hinstance == 0xffff) ||
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(hinstance == class->hInstance))) return class;
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}
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/* Then search global classes */
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for (class = firstClass; (class); class = class->next)
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{
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if (!(class->style & CS_GLOBALCLASS)) continue;
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if (class->atomName == atom) return class;
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}
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return 0;
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}
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/***********************************************************************
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* CLASS_RegisterClass
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*
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* The real RegisterClass() functionality.
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*/
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static CLASS *CLASS_RegisterClass( ATOM atom, HINSTANCE32 hInstance,
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DWORD style, INT32 classExtra,
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INT32 winExtra, WNDPROC16 wndProc,
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WINDOWPROCTYPE wndProcType )
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{
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CLASS *classPtr;
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/* Check if a class with this name already exists */
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classPtr = CLASS_FindClassByAtom( atom, hInstance );
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if (classPtr)
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{
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/* Class can be created only if it is local and */
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/* if the class with the same name is global. */
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if (style & CS_GLOBALCLASS) return NULL;
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if (!(classPtr->style & CS_GLOBALCLASS)) return NULL;
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}
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/* Fix the extra bytes value */
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if (classExtra < 0) classExtra = 0;
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else if (classExtra > 40) /* Extra bytes are limited to 40 in Win32 */
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fprintf(stderr, "Warning: class extra bytes %d is > 40\n", classExtra);
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if (winExtra < 0) winExtra = 0;
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else if (winExtra > 40) /* Extra bytes are limited to 40 in Win32 */
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fprintf( stderr, "Warning: win extra bytes %d is > 40\n", winExtra );
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/* Create the class */
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classPtr = (CLASS *)HeapAlloc( SystemHeap, 0, sizeof(CLASS) +
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classExtra - sizeof(classPtr->wExtra) );
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if (!classPtr) return NULL;
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classPtr->next = firstClass;
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classPtr->magic = CLASS_MAGIC;
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classPtr->cWindows = 0;
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classPtr->style = style;
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classPtr->winproc = (HWINDOWPROC)0;
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classPtr->cbWndExtra = winExtra;
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classPtr->cbClsExtra = classExtra;
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classPtr->hInstance = hInstance;
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classPtr->atomName = atom;
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classPtr->menuNameA = 0;
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classPtr->menuNameW = 0;
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classPtr->dce = (style & CS_CLASSDC) ?
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DCE_AllocDCE( 0, DCE_CLASS_DC ) : NULL;
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WINPROC_SetProc( &classPtr->winproc, wndProc, wndProcType, WIN_PROC_CLASS);
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/* Other values must be set by caller */
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if (classExtra) memset( classPtr->wExtra, 0, classExtra );
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firstClass = classPtr;
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return classPtr;
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}
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/***********************************************************************
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* RegisterClass16 (USER.57)
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*/
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ATOM WINAPI RegisterClass16( const WNDCLASS16 *wc )
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{
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ATOM atom;
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CLASS *classPtr;
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HINSTANCE16 hInstance=GetExePtr(wc->hInstance);
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if (!(atom = GlobalAddAtom16( wc->lpszClassName ))) return 0;
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if (!(classPtr = CLASS_RegisterClass( atom, hInstance, wc->style,
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wc->cbClsExtra, wc->cbWndExtra,
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wc->lpfnWndProc, WIN_PROC_16 )))
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{
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GlobalDeleteAtom( atom );
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return 0;
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}
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TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x
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bg=%04x style=%08x clsExt=%d winExt=%d class=%p name='%s'\n",
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atom, (DWORD)wc->lpfnWndProc, hInstance,
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wc->hbrBackground, wc->style, wc->cbClsExtra,
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wc->cbWndExtra, classPtr,
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HIWORD(wc->lpszClassName) ?
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(char *)PTR_SEG_TO_LIN(wc->lpszClassName) : "" );
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classPtr->hIcon = wc->hIcon;
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classPtr->hIconSm = 0;
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classPtr->hCursor = wc->hCursor;
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classPtr->hbrBackground = wc->hbrBackground;
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CLASS_SetMenuNameA( classPtr, HIWORD(wc->lpszMenuName) ?
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PTR_SEG_TO_LIN(wc->lpszMenuName) : (LPCSTR)wc->lpszMenuName );
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return atom;
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}
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/***********************************************************************
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* RegisterClass32A (USER32.427)
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* RETURNS
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* >0: Unique identifier
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* 0: Failure
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*/
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ATOM WINAPI RegisterClass32A(
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const WNDCLASS32A* wc /* Address of structure with class data */
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) {
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ATOM atom;
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CLASS *classPtr;
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if (!(atom = GlobalAddAtom32A( wc->lpszClassName ))) return 0;
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if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
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wc->cbClsExtra, wc->cbWndExtra,
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(WNDPROC16)wc->lpfnWndProc,
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WIN_PROC_32A )))
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{
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GlobalDeleteAtom( atom );
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return 0;
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}
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TRACE(class, "atom=%04x wndproc=%08lx
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hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p name='%s'\n",
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atom, (DWORD)wc->lpfnWndProc, wc->hInstance,
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wc->hbrBackground, wc->style, wc->cbClsExtra,
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wc->cbWndExtra, classPtr,
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HIWORD(wc->lpszClassName) ? wc->lpszClassName : "" );
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classPtr->hIcon = (HICON16)wc->hIcon;
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classPtr->hIconSm = 0;
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classPtr->hCursor = (HCURSOR16)wc->hCursor;
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classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground;
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CLASS_SetMenuNameA( classPtr, wc->lpszMenuName );
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return atom;
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}
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/***********************************************************************
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* RegisterClass32W (USER32.430)
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*/
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ATOM WINAPI RegisterClass32W( const WNDCLASS32W* wc )
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{
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ATOM atom;
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CLASS *classPtr;
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if (!(atom = GlobalAddAtom32W( wc->lpszClassName ))) return 0;
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if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
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wc->cbClsExtra, wc->cbWndExtra,
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(WNDPROC16)wc->lpfnWndProc,
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WIN_PROC_32W )))
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{
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GlobalDeleteAtom( atom );
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return 0;
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}
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TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n",
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atom, (DWORD)wc->lpfnWndProc, wc->hInstance,
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wc->hbrBackground, wc->style, wc->cbClsExtra,
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wc->cbWndExtra, classPtr );
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classPtr->hIcon = (HICON16)wc->hIcon;
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classPtr->hIconSm = 0;
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classPtr->hCursor = (HCURSOR16)wc->hCursor;
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classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground;
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CLASS_SetMenuNameW( classPtr, wc->lpszMenuName );
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return atom;
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}
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/***********************************************************************
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* RegisterClassEx16 (USER.397)
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*/
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ATOM WINAPI RegisterClassEx16( const WNDCLASSEX16 *wc )
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{
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ATOM atom;
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CLASS *classPtr;
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HINSTANCE16 hInstance = GetExePtr( wc->hInstance );
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if (!(atom = GlobalAddAtom16( wc->lpszClassName ))) return 0;
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if (!(classPtr = CLASS_RegisterClass( atom, hInstance, wc->style,
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wc->cbClsExtra, wc->cbWndExtra,
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wc->lpfnWndProc, WIN_PROC_16 )))
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{
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GlobalDeleteAtom( atom );
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return 0;
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}
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TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n",
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atom, (DWORD)wc->lpfnWndProc, hInstance,
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wc->hbrBackground, wc->style, wc->cbClsExtra,
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wc->cbWndExtra, classPtr );
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classPtr->hIcon = wc->hIcon;
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classPtr->hIconSm = wc->hIconSm;
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classPtr->hCursor = wc->hCursor;
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classPtr->hbrBackground = wc->hbrBackground;
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CLASS_SetMenuNameA( classPtr, HIWORD(wc->lpszMenuName) ?
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PTR_SEG_TO_LIN(wc->lpszMenuName) : (LPCSTR)wc->lpszMenuName );
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return atom;
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}
|
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|
|
|
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/***********************************************************************
|
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* RegisterClassEx32A (USER32.428)
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*/
|
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ATOM WINAPI RegisterClassEx32A( const WNDCLASSEX32A* wc )
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{
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ATOM atom;
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CLASS *classPtr;
|
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|
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if (!(atom = GlobalAddAtom32A( wc->lpszClassName ))) return 0;
|
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if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
|
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wc->cbClsExtra, wc->cbWndExtra,
|
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(WNDPROC16)wc->lpfnWndProc,
|
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WIN_PROC_32A )))
|
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{
|
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GlobalDeleteAtom( atom );
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return 0;
|
|
}
|
|
|
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TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n",
|
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atom, (DWORD)wc->lpfnWndProc, wc->hInstance,
|
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wc->hbrBackground, wc->style, wc->cbClsExtra,
|
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wc->cbWndExtra, classPtr );
|
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|
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classPtr->hIcon = (HICON16)wc->hIcon;
|
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classPtr->hIconSm = (HICON16)wc->hIconSm;
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classPtr->hCursor = (HCURSOR16)wc->hCursor;
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classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground;
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CLASS_SetMenuNameA( classPtr, wc->lpszMenuName );
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return atom;
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}
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|
|
|
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/***********************************************************************
|
|
* RegisterClassEx32W (USER32.429)
|
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*/
|
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ATOM WINAPI RegisterClassEx32W( const WNDCLASSEX32W* wc )
|
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{
|
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ATOM atom;
|
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CLASS *classPtr;
|
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|
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if (!(atom = GlobalAddAtom32W( wc->lpszClassName ))) return 0;
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if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
|
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wc->cbClsExtra, wc->cbWndExtra,
|
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(WNDPROC16)wc->lpfnWndProc,
|
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WIN_PROC_32W )))
|
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{
|
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GlobalDeleteAtom( atom );
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return 0;
|
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}
|
|
|
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TRACE(class, "atom=%04x wndproc=%08lx hinst=%04x bg=%04x style=%08x clsExt=%d winExt=%d class=%p\n",
|
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atom, (DWORD)wc->lpfnWndProc, wc->hInstance,
|
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wc->hbrBackground, wc->style, wc->cbClsExtra,
|
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wc->cbWndExtra, classPtr );
|
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|
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classPtr->hIcon = (HICON16)wc->hIcon;
|
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classPtr->hIconSm = (HICON16)wc->hIconSm;
|
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classPtr->hCursor = (HCURSOR16)wc->hCursor;
|
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classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground;
|
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CLASS_SetMenuNameW( classPtr, wc->lpszMenuName );
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return atom;
|
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}
|
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|
|
/***********************************************************************
|
|
* 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 );
|
|
}
|
|
fprintf(stderr, "Warning: invalid offset %d for GetClassWord()\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 );
|
|
}
|
|
fprintf(stderr, "Warning: invalid offset %d for GetClassLong()\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
|
|
{
|
|
fprintf( stderr, "Warning: invalid offset %d for SetClassWord()\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:
|
|
fprintf( stderr, "Warning: invalid offset %d for SetClassWord()\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
|
|
{
|
|
fprintf( stderr, "Warning: invalid offset %d for SetClassLong()\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:
|
|
fprintf( stderr, "Warning: invalid offset %d for SetClassLong()\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;
|
|
}
|