1302 lines
39 KiB
C
1302 lines
39 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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* 1998 Juergen Schmied (jsch)
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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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* FIXME: There seems to be a general problem with hInstance in WINE
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* classes are getting registered with wrong hInstance.
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*/
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#include "wine/port.h"
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#include <stdlib.h>
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#include <string.h>
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#include "wine/winbase16.h"
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#include "winerror.h"
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/winuser16.h"
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#include "wine/unicode.h"
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#include "heap.h"
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#include "win.h"
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#include "user.h"
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#include "controls.h"
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#include "dce.h"
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#include "winproc.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(class);
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typedef struct tagCLASS
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{
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struct tagCLASS *next; /* Next class */
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struct tagCLASS *prev; /* Prev class */
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UINT cWindows; /* Count of existing windows */
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UINT style; /* Class style */
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HWINDOWPROC winprocA; /* Window procedure (ASCII) */
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HWINDOWPROC winprocW; /* Window procedure (Unicode) */
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INT cbClsExtra; /* Class extra bytes */
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INT cbWndExtra; /* Window extra bytes */
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LPWSTR menuName; /* Default menu name (Unicode followed by ASCII) */
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struct tagDCE *dce; /* Class DCE (if CS_CLASSDC) */
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HINSTANCE hInstance; /* Module that created the task */
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HICON hIcon; /* Default icon */
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HICON hIconSm; /* Default small icon */
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HCURSOR hCursor; /* Default cursor */
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HBRUSH hbrBackground; /* Default background */
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ATOM atomName; /* Name of the class */
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} CLASS;
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static CLASS *firstClass;
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/***********************************************************************
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* get_class_ptr
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*/
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static CLASS *get_class_ptr( HWND hwnd, BOOL write_access )
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{
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WND *ptr = WIN_GetPtr( hwnd );
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if (ptr)
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{
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if (ptr != WND_OTHER_PROCESS) return ptr->class;
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if (IsWindow( hwnd )) /* check other processes */
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{
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if (write_access)
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{
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/* modifying classes in other processes is not allowed */
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SetLastError( ERROR_ACCESS_DENIED );
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return NULL;
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}
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FIXME( "reading from class of other process window %04x\n", hwnd );
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/* DbgBreakPoint(); */
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}
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}
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SetLastError( ERROR_INVALID_WINDOW_HANDLE );
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return NULL;
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}
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/***********************************************************************
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* release_class_ptr
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*/
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inline static void release_class_ptr( CLASS *ptr )
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{
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USER_Unlock();
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}
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/***********************************************************************
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* CLASS_GetProc
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*
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* Get the class winproc for a given proc type
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*/
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static WNDPROC16 CLASS_GetProc( CLASS *classPtr, WINDOWPROCTYPE type )
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{
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HWINDOWPROC proc = classPtr->winprocA;
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if (classPtr->winprocW)
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{
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/* if we have a Unicode proc, use it if we have no ASCII proc
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* or if we have both and Unicode was requested
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*/
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if (!proc || type == WIN_PROC_32W) proc = classPtr->winprocW;
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}
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return WINPROC_GetProc( proc, type );
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}
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/***********************************************************************
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* CLASS_SetProc
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*
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* Set the class winproc for a given proc type.
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* Returns the previous window proc.
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*/
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static WNDPROC16 CLASS_SetProc( CLASS *classPtr, WNDPROC newproc, WINDOWPROCTYPE type )
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{
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HWINDOWPROC *proc = &classPtr->winprocA;
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WNDPROC16 ret;
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if (classPtr->winprocW)
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{
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/* if we have a Unicode proc, use it if we have no ASCII proc
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* or if we have both and Unicode was requested
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*/
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if (!*proc || type == WIN_PROC_32W) proc = &classPtr->winprocW;
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}
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ret = WINPROC_GetProc( *proc, type );
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WINPROC_SetProc( proc, (HWINDOWPROC)newproc, type, WIN_PROC_CLASS );
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/* now free the one that we didn't set */
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if (classPtr->winprocA && classPtr->winprocW)
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{
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if (proc == &classPtr->winprocA)
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{
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WINPROC_FreeProc( classPtr->winprocW, WIN_PROC_CLASS );
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classPtr->winprocW = 0;
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}
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else
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{
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WINPROC_FreeProc( classPtr->winprocA, WIN_PROC_CLASS );
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classPtr->winprocA = 0;
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}
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}
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return ret;
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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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inline static LPSTR CLASS_GetMenuNameA( CLASS *classPtr )
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{
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if (!HIWORD(classPtr->menuName)) return (LPSTR)classPtr->menuName;
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return (LPSTR)(classPtr->menuName + strlenW(classPtr->menuName) + 1);
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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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inline static LPWSTR CLASS_GetMenuNameW( CLASS *classPtr )
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{
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return classPtr->menuName;
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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->menuName)) SEGPTR_FREE( classPtr->menuName );
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if (HIWORD(name))
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{
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DWORD lenA = strlen(name) + 1;
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DWORD lenW = MultiByteToWideChar( CP_ACP, 0, name, lenA, NULL, 0 );
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classPtr->menuName = SEGPTR_ALLOC( lenA + lenW*sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, name, lenA, classPtr->menuName, lenW );
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memcpy( classPtr->menuName + lenW, name, lenA );
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}
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else classPtr->menuName = (LPWSTR)name;
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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(classPtr->menuName)) SEGPTR_FREE( classPtr->menuName );
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if (HIWORD(name))
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{
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DWORD lenW = strlenW(name) + 1;
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DWORD lenA = WideCharToMultiByte( CP_ACP, 0, name, lenW, NULL, 0, NULL, NULL );
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classPtr->menuName = SEGPTR_ALLOC( lenA + lenW*sizeof(WCHAR) );
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memcpy( classPtr->menuName, name, lenW*sizeof(WCHAR) );
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WideCharToMultiByte( CP_ACP, 0, name, lenW,
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(char *)(classPtr->menuName + lenW), lenA, NULL, NULL );
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}
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else classPtr->menuName = (LPWSTR)name;
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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 BOOL CLASS_FreeClass( CLASS *classPtr )
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{
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TRACE("%p\n", classPtr);
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/* Check if we can remove this class */
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if (classPtr->cWindows > 0)
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{
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SetLastError( ERROR_CLASS_HAS_WINDOWS );
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return FALSE;
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}
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/* Remove the class from the linked list */
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if (classPtr->next) classPtr->next->prev = classPtr->prev;
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if (classPtr->prev) classPtr->prev->next = classPtr->next;
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else firstClass = 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 > (HBRUSH)(COLOR_GRADIENTINACTIVECAPTION + 1))
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DeleteObject( classPtr->hbrBackground );
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GlobalDeleteAtom( classPtr->atomName );
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WINPROC_FreeProc( classPtr->winprocA, WIN_PROC_CLASS );
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WINPROC_FreeProc( classPtr->winprocW, WIN_PROC_CLASS );
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HeapFree( GetProcessHeap(), 0, classPtr->menuName );
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HeapFree( GetProcessHeap(), 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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TRACE("0x%08x\n", hModule);
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USER_Lock();
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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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USER_Unlock();
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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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* NOTES
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* 980805 a local class will be found now if registred with hInst=0
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* and looed up with a hInst!=0. msmoney does it (jsch)
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*/
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static CLASS *CLASS_FindClassByAtom( ATOM atom, HINSTANCE hinstance )
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{
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CLASS * class, *tclass=0;
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TRACE("0x%08x 0x%08x\n", atom, hinstance);
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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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{
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if (hinstance==class->hInstance || hinstance==0xffff )
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{
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TRACE("-- found local %p\n", class);
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return class;
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}
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if (class->hInstance==0) tclass = class;
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}
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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)
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{
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TRACE("-- found global %p\n", class);
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return class;
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}
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}
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/* Then check if there was a local class with hInst=0*/
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if ( tclass )
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{
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WARN("-- found local Class registred with hInst=0\n");
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return tclass;
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}
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TRACE("-- not found\n");
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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, HINSTANCE hInstance,
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DWORD style, INT classExtra, INT winExtra )
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{
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CLASS *classPtr;
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TRACE("atom=0x%x hinst=0x%x style=0x%lx clExtr=0x%x winExtr=0x%x\n",
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atom, hInstance, style, classExtra, winExtra );
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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) || !(classPtr->style & CS_GLOBALCLASS))
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{
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SetLastError( ERROR_CLASS_ALREADY_EXISTS );
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return NULL;
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}
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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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WARN("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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WARN("Win extra bytes %d is > 40\n", winExtra );
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/* Create the class */
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classPtr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CLASS) + classExtra );
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if (!classPtr) return NULL;
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classPtr->style = style;
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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->dce = (style & CS_CLASSDC) ? DCE_AllocDCE( 0, DCE_CLASS_DC ) : NULL;
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/* Other non-null values must be set by caller */
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if ((classPtr->next = firstClass)) firstClass->prev = classPtr;
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firstClass = classPtr;
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return classPtr;
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}
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/***********************************************************************
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* CLASS_UnregisterClass
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*
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* The real UnregisterClass() functionality.
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*/
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static BOOL CLASS_UnregisterClass( ATOM atom, HINSTANCE hInstance )
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{
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CLASS *classPtr;
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BOOL ret = FALSE;
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USER_Lock();
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if (atom &&
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(classPtr = CLASS_FindClassByAtom( atom, hInstance )) &&
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(classPtr->hInstance == hInstance))
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{
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ret = CLASS_FreeClass( classPtr );
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}
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else SetLastError( ERROR_CLASS_DOES_NOT_EXIST );
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USER_Unlock();
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return ret;
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}
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/***********************************************************************
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* CLASS_RegisterBuiltinClass
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*
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* Register a builtin control class.
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* This allows having both ASCII and Unicode winprocs for the same class.
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*/
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ATOM CLASS_RegisterBuiltinClass( const struct builtin_class_descr *descr )
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{
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ATOM atom;
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CLASS *classPtr;
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if (!(atom = GlobalAddAtomA( descr->name ))) return 0;
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if (!(classPtr = CLASS_RegisterClass( atom, 0, descr->style, 0, descr->extra )))
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{
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GlobalDeleteAtom( atom );
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return 0;
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}
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classPtr->hCursor = LoadCursorA( 0, descr->cursor );
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classPtr->hbrBackground = descr->brush;
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if (descr->procA) WINPROC_SetProc( &classPtr->winprocA, (HWINDOWPROC)descr->procA,
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WIN_PROC_32A, WIN_PROC_CLASS );
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if (descr->procW) WINPROC_SetProc( &classPtr->winprocW, (HWINDOWPROC)descr->procW,
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WIN_PROC_32W, WIN_PROC_CLASS );
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return atom;
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}
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/***********************************************************************
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* CLASS_AddWindow
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*
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* Add a new window using this class, and return the necessary
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* information for creating the window.
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*/
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CLASS *CLASS_AddWindow( ATOM atom, HINSTANCE inst, WINDOWPROCTYPE type,
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INT *winExtra, WNDPROC *winproc, DWORD *style, struct tagDCE **dce )
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{
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CLASS *class;
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if (type == WIN_PROC_16) inst = GetExePtr(inst);
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if (!(class = CLASS_FindClassByAtom( atom, inst ))) return NULL;
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class->cWindows++;
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if (type == WIN_PROC_32W)
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{
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if (!(*winproc = class->winprocW)) *winproc = class->winprocA;
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}
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else
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{
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if (!(*winproc = class->winprocA)) *winproc = class->winprocW;
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}
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*winExtra = class->cbWndExtra;
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*style = class->style;
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*dce = class->dce;
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return class;
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}
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/***********************************************************************
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* CLASS_RemoveWindow
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*
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* Remove a window from the class window count.
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*/
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void CLASS_RemoveWindow( CLASS *cls )
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{
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if (cls && cls->cWindows) cls->cWindows--;
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}
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/***********************************************************************
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* RegisterClass (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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int iSmIconWidth, iSmIconHeight;
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HINSTANCE16 hInstance=GetExePtr(wc->hInstance);
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if (!(atom = GlobalAddAtomA( MapSL(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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{
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GlobalDeleteAtom( atom );
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return 0;
|
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}
|
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|
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TRACE("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 *)MapSL(wc->lpszClassName) : "" );
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iSmIconWidth = GetSystemMetrics(SM_CXSMICON);
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iSmIconHeight = GetSystemMetrics(SM_CYSMICON);
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classPtr->hIcon = wc->hIcon;
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classPtr->hIconSm = CopyImage(wc->hIcon, IMAGE_ICON,
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iSmIconWidth, iSmIconHeight,
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LR_COPYFROMRESOURCE);
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classPtr->hCursor = wc->hCursor;
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classPtr->hbrBackground = wc->hbrBackground;
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WINPROC_SetProc( &classPtr->winprocA, (HWINDOWPROC)wc->lpfnWndProc,
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WIN_PROC_16, WIN_PROC_CLASS );
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CLASS_SetMenuNameA( classPtr, MapSL(wc->lpszMenuName) );
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return atom;
|
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}
|
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|
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|
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/***********************************************************************
|
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* RegisterClassA (USER32.@)
|
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* RETURNS
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* >0: Unique identifier
|
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* 0: Failure
|
|
*/
|
|
ATOM WINAPI RegisterClassA( const WNDCLASSA* wc ) /* [in] Address of structure with class data */
|
|
{
|
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ATOM atom;
|
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int iSmIconWidth, iSmIconHeight;
|
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CLASS *classPtr;
|
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|
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if (!(atom = GlobalAddAtomA( wc->lpszClassName ))) return 0;
|
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|
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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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{
|
|
GlobalDeleteAtom( atom );
|
|
return 0;
|
|
}
|
|
|
|
TRACE("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 : "" );
|
|
|
|
iSmIconWidth = GetSystemMetrics(SM_CXSMICON);
|
|
iSmIconHeight = GetSystemMetrics(SM_CYSMICON);
|
|
|
|
classPtr->hIcon = wc->hIcon;
|
|
classPtr->hIconSm = CopyImage(wc->hIcon, IMAGE_ICON,
|
|
iSmIconWidth, iSmIconHeight,
|
|
LR_COPYFROMRESOURCE);
|
|
classPtr->hCursor = (HCURSOR16)wc->hCursor;
|
|
classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground;
|
|
|
|
WINPROC_SetProc( &classPtr->winprocA, (HWINDOWPROC)wc->lpfnWndProc,
|
|
WIN_PROC_32A, WIN_PROC_CLASS );
|
|
CLASS_SetMenuNameA( classPtr, wc->lpszMenuName );
|
|
return atom;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RegisterClassW (USER32.@)
|
|
*/
|
|
ATOM WINAPI RegisterClassW( const WNDCLASSW* wc )
|
|
{
|
|
ATOM atom;
|
|
int iSmIconWidth, iSmIconHeight;
|
|
CLASS *classPtr;
|
|
|
|
if (!(atom = GlobalAddAtomW( wc->lpszClassName ))) return 0;
|
|
|
|
if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
|
|
wc->cbClsExtra, wc->cbWndExtra )))
|
|
{
|
|
GlobalDeleteAtom( atom );
|
|
return 0;
|
|
}
|
|
|
|
TRACE("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 );
|
|
|
|
iSmIconWidth = GetSystemMetrics(SM_CXSMICON);
|
|
iSmIconHeight = GetSystemMetrics(SM_CYSMICON);
|
|
|
|
classPtr->hIcon = wc->hIcon;
|
|
classPtr->hIconSm = CopyImage(wc->hIcon, IMAGE_ICON,
|
|
iSmIconWidth, iSmIconHeight,
|
|
LR_COPYFROMRESOURCE);
|
|
classPtr->hCursor = (HCURSOR16)wc->hCursor;
|
|
classPtr->hbrBackground = (HBRUSH16)wc->hbrBackground;
|
|
|
|
WINPROC_SetProc( &classPtr->winprocW, (HWINDOWPROC)wc->lpfnWndProc,
|
|
WIN_PROC_32W, WIN_PROC_CLASS );
|
|
CLASS_SetMenuNameW( classPtr, wc->lpszMenuName );
|
|
return atom;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RegisterClassEx (USER.397)
|
|
*/
|
|
ATOM WINAPI RegisterClassEx16( const WNDCLASSEX16 *wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
HINSTANCE16 hInstance = GetExePtr( wc->hInstance );
|
|
|
|
if (!(atom = GlobalAddAtomA( MapSL(wc->lpszClassName) ))) return 0;
|
|
if (!(classPtr = CLASS_RegisterClass( atom, hInstance, wc->style,
|
|
wc->cbClsExtra, wc->cbWndExtra )))
|
|
{
|
|
GlobalDeleteAtom( atom );
|
|
return 0;
|
|
}
|
|
|
|
TRACE("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;
|
|
|
|
WINPROC_SetProc( &classPtr->winprocA, (HWINDOWPROC)wc->lpfnWndProc,
|
|
WIN_PROC_16, WIN_PROC_CLASS );
|
|
CLASS_SetMenuNameA( classPtr, MapSL(wc->lpszMenuName) );
|
|
return atom;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RegisterClassExA (USER32.@)
|
|
*/
|
|
ATOM WINAPI RegisterClassExA( const WNDCLASSEXA* wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
|
|
if (!(atom = GlobalAddAtomA( wc->lpszClassName ))) return 0;
|
|
|
|
if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
|
|
wc->cbClsExtra, wc->cbWndExtra )))
|
|
{
|
|
GlobalDeleteAtom( atom );
|
|
return 0;
|
|
}
|
|
|
|
TRACE("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;
|
|
WINPROC_SetProc( &classPtr->winprocA, (HWINDOWPROC)wc->lpfnWndProc,
|
|
WIN_PROC_32A, WIN_PROC_CLASS );
|
|
CLASS_SetMenuNameA( classPtr, wc->lpszMenuName );
|
|
return atom;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RegisterClassExW (USER32.@)
|
|
*/
|
|
ATOM WINAPI RegisterClassExW( const WNDCLASSEXW* wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
|
|
if (!(atom = GlobalAddAtomW( wc->lpszClassName ))) return 0;
|
|
|
|
if (!(classPtr = CLASS_RegisterClass( atom, wc->hInstance, wc->style,
|
|
wc->cbClsExtra, wc->cbWndExtra )))
|
|
{
|
|
GlobalDeleteAtom( atom );
|
|
return 0;
|
|
}
|
|
|
|
TRACE("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;
|
|
WINPROC_SetProc( &classPtr->winprocW, (HWINDOWPROC)wc->lpfnWndProc,
|
|
WIN_PROC_32W, WIN_PROC_CLASS );
|
|
CLASS_SetMenuNameW( classPtr, wc->lpszMenuName );
|
|
return atom;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* UnregisterClass (USER.403)
|
|
*/
|
|
BOOL16 WINAPI UnregisterClass16( LPCSTR className, HINSTANCE16 hInstance )
|
|
{
|
|
return UnregisterClassA( className, GetExePtr( hInstance ) );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* UnregisterClassA (USER32.@)
|
|
*
|
|
*/
|
|
BOOL WINAPI UnregisterClassA( LPCSTR className, HINSTANCE hInstance )
|
|
{
|
|
TRACE("%s %x\n",debugres_a(className), hInstance);
|
|
return CLASS_UnregisterClass( GlobalFindAtomA( className ), hInstance );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* UnregisterClassW (USER32.@)
|
|
*/
|
|
BOOL WINAPI UnregisterClassW( LPCWSTR className, HINSTANCE hInstance )
|
|
{
|
|
TRACE("%s %x\n",debugres_w(className), hInstance);
|
|
return CLASS_UnregisterClass( GlobalFindAtomW( className ), hInstance );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassWord (USER32.@)
|
|
*/
|
|
WORD WINAPI GetClassWord( HWND hwnd, INT offset )
|
|
{
|
|
CLASS *class;
|
|
WORD retvalue = 0;
|
|
|
|
if (offset < 0) return GetClassLongA( hwnd, offset );
|
|
|
|
TRACE("%x %x\n",hwnd, offset);
|
|
|
|
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
|
|
|
|
if (offset <= class->cbClsExtra - sizeof(WORD))
|
|
retvalue = GET_WORD((char *)(class + 1) + offset);
|
|
else
|
|
SetLastError( ERROR_INVALID_INDEX );
|
|
release_class_ptr( class );
|
|
return retvalue;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassLong (USER.131)
|
|
*/
|
|
LONG WINAPI GetClassLong16( HWND16 hwnd16, INT16 offset )
|
|
{
|
|
CLASS *class;
|
|
LONG ret;
|
|
HWND hwnd = (HWND)(ULONG_PTR)hwnd16; /* no need for full handle */
|
|
|
|
TRACE("%x %d\n",hwnd, offset);
|
|
|
|
switch( offset )
|
|
{
|
|
case GCL_WNDPROC:
|
|
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
|
|
ret = (LONG)CLASS_GetProc( class, WIN_PROC_16 );
|
|
release_class_ptr( class );
|
|
return ret;
|
|
case GCL_MENUNAME:
|
|
ret = GetClassLongA( hwnd, offset );
|
|
return (LONG)SEGPTR_GET( (void *)ret );
|
|
default:
|
|
return GetClassLongA( hwnd, offset );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassLongA (USER32.@)
|
|
*/
|
|
LONG WINAPI GetClassLongA( HWND hwnd, INT offset )
|
|
{
|
|
CLASS *class;
|
|
LONG retvalue = 0;
|
|
|
|
TRACE("%x %d\n", hwnd, offset);
|
|
|
|
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
|
|
|
|
if (offset >= 0)
|
|
{
|
|
if (offset <= class->cbClsExtra - sizeof(LONG))
|
|
retvalue = GET_DWORD((char *)(class + 1) + offset);
|
|
else
|
|
SetLastError( ERROR_INVALID_INDEX );
|
|
release_class_ptr( class );
|
|
return retvalue;
|
|
}
|
|
|
|
switch(offset)
|
|
{
|
|
case GCL_HBRBACKGROUND:
|
|
retvalue = (LONG)class->hbrBackground;
|
|
break;
|
|
case GCL_HCURSOR:
|
|
retvalue = (LONG)class->hCursor;
|
|
break;
|
|
case GCL_HICON:
|
|
retvalue = (LONG)class->hIcon;
|
|
break;
|
|
case GCL_HICONSM:
|
|
retvalue = (LONG)class->hIconSm;
|
|
break;
|
|
case GCL_STYLE:
|
|
retvalue = (LONG)class->style;
|
|
break;
|
|
case GCL_CBWNDEXTRA:
|
|
retvalue = (LONG)class->cbWndExtra;
|
|
break;
|
|
case GCL_CBCLSEXTRA:
|
|
retvalue = (LONG)class->cbClsExtra;
|
|
break;
|
|
case GCL_HMODULE:
|
|
retvalue = (LONG)class->hInstance;
|
|
break;
|
|
case GCL_WNDPROC:
|
|
retvalue = (LONG)CLASS_GetProc( class, WIN_PROC_32A );
|
|
break;
|
|
case GCL_MENUNAME:
|
|
retvalue = (LONG)CLASS_GetMenuNameA( class );
|
|
break;
|
|
case GCW_ATOM:
|
|
retvalue = (DWORD)class->atomName;
|
|
break;
|
|
default:
|
|
SetLastError( ERROR_INVALID_INDEX );
|
|
break;
|
|
}
|
|
release_class_ptr( class );
|
|
return retvalue;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassLongW (USER32.@)
|
|
*/
|
|
LONG WINAPI GetClassLongW( HWND hwnd, INT offset )
|
|
{
|
|
CLASS *class;
|
|
LONG retvalue;
|
|
|
|
if (offset != GCL_WNDPROC && offset != GCL_MENUNAME)
|
|
return GetClassLongA( hwnd, offset );
|
|
|
|
TRACE("%x %d\n", hwnd, offset);
|
|
|
|
if (!(class = get_class_ptr( hwnd, FALSE ))) return 0;
|
|
|
|
if (offset == GCL_WNDPROC)
|
|
retvalue = (LONG)CLASS_GetProc( class, WIN_PROC_32W );
|
|
else /* GCL_MENUNAME */
|
|
retvalue = (LONG)CLASS_GetMenuNameW( class );
|
|
|
|
release_class_ptr( class );
|
|
return retvalue;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetClassWord (USER32.@)
|
|
*/
|
|
WORD WINAPI SetClassWord( HWND hwnd, INT offset, WORD newval )
|
|
{
|
|
CLASS *class;
|
|
WORD retval = 0;
|
|
|
|
if (offset < 0) return SetClassLongA( hwnd, offset, (DWORD)newval );
|
|
|
|
TRACE("%x %d %x\n", hwnd, offset, newval);
|
|
|
|
if (!(class = get_class_ptr( hwnd, TRUE ))) return 0;
|
|
|
|
if (offset <= class->cbClsExtra - sizeof(WORD))
|
|
{
|
|
void *ptr = (char *)(class + 1) + offset;
|
|
retval = GET_WORD(ptr);
|
|
PUT_WORD( ptr, newval );
|
|
}
|
|
else SetLastError( ERROR_INVALID_INDEX );
|
|
|
|
release_class_ptr( class );
|
|
return retval;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetClassLong (USER.132)
|
|
*/
|
|
LONG WINAPI SetClassLong16( HWND16 hwnd16, INT16 offset, LONG newval )
|
|
{
|
|
CLASS *class;
|
|
LONG retval;
|
|
HWND hwnd = (HWND)(ULONG_PTR)hwnd16; /* no need for full handle */
|
|
|
|
TRACE("%x %d %lx\n", hwnd, offset, newval);
|
|
|
|
switch(offset)
|
|
{
|
|
case GCL_WNDPROC:
|
|
if (!(class = get_class_ptr( hwnd, TRUE ))) return 0;
|
|
retval = (LONG)CLASS_SetProc( class, (WNDPROC)newval, WIN_PROC_16 );
|
|
release_class_ptr( class );
|
|
return retval;
|
|
case GCL_MENUNAME:
|
|
newval = (LONG)MapSL( newval );
|
|
/* fall through */
|
|
default:
|
|
return SetClassLongA( hwnd, offset, newval );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetClassLongA (USER32.@)
|
|
*/
|
|
LONG WINAPI SetClassLongA( HWND hwnd, INT offset, LONG newval )
|
|
{
|
|
CLASS *class;
|
|
LONG retval = 0;
|
|
|
|
TRACE("%x %d %lx\n", hwnd, offset, newval);
|
|
|
|
if (!(class = get_class_ptr( hwnd, TRUE ))) return 0;
|
|
|
|
if (offset >= 0)
|
|
{
|
|
if (offset <= class->cbClsExtra - sizeof(LONG))
|
|
{
|
|
void *ptr = (char *)(class + 1) + offset;
|
|
retval = GET_DWORD(ptr);
|
|
PUT_DWORD( ptr, newval );
|
|
}
|
|
else SetLastError( ERROR_INVALID_INDEX );
|
|
}
|
|
else switch(offset)
|
|
{
|
|
case GCL_MENUNAME:
|
|
CLASS_SetMenuNameA( class, (LPCSTR)newval );
|
|
retval = 0; /* Old value is now meaningless anyway */
|
|
break;
|
|
case GCL_WNDPROC:
|
|
retval = (LONG)CLASS_SetProc( class, (WNDPROC)newval, WIN_PROC_32A );
|
|
break;
|
|
case GCL_HBRBACKGROUND:
|
|
retval = (LONG)class->hbrBackground;
|
|
class->hbrBackground = newval;
|
|
break;
|
|
case GCL_HCURSOR:
|
|
retval = (LONG)class->hCursor;
|
|
class->hCursor = newval;
|
|
break;
|
|
case GCL_HICON:
|
|
retval = (LONG)class->hIcon;
|
|
class->hIcon = newval;
|
|
break;
|
|
case GCL_HICONSM:
|
|
retval = (LONG)class->hIconSm;
|
|
class->hIconSm = newval;
|
|
break;
|
|
case GCL_STYLE:
|
|
retval = (LONG)class->style;
|
|
class->style = newval;
|
|
break;
|
|
case GCL_CBWNDEXTRA:
|
|
retval = (LONG)class->cbWndExtra;
|
|
class->cbWndExtra = newval;
|
|
break;
|
|
case GCL_HMODULE:
|
|
retval = (LONG)class->hInstance;
|
|
class->hInstance = newval;
|
|
break;
|
|
case GCW_ATOM:
|
|
retval = (DWORD)class->atomName;
|
|
class->atomName = newval;
|
|
break;
|
|
case GCL_CBCLSEXTRA: /* cannot change this one */
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
break;
|
|
default:
|
|
SetLastError( ERROR_INVALID_INDEX );
|
|
break;
|
|
}
|
|
release_class_ptr( class );
|
|
return retval;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetClassLongW (USER32.@)
|
|
*/
|
|
LONG WINAPI SetClassLongW( HWND hwnd, INT offset, LONG newval )
|
|
{
|
|
CLASS *class;
|
|
LONG retval;
|
|
|
|
if (offset != GCL_WNDPROC && offset != GCL_MENUNAME)
|
|
return SetClassLongA( hwnd, offset, newval );
|
|
|
|
TRACE("%x %d %lx\n", hwnd, offset, newval);
|
|
|
|
if (!(class = get_class_ptr( hwnd, TRUE ))) return 0;
|
|
|
|
if (offset == GCL_WNDPROC)
|
|
retval = (LONG)CLASS_SetProc( class, (WNDPROC)newval, WIN_PROC_32W );
|
|
else /* GCL_MENUNAME */
|
|
{
|
|
CLASS_SetMenuNameW( class, (LPCWSTR)newval );
|
|
retval = 0; /* Old value is now meaningless anyway */
|
|
}
|
|
release_class_ptr( class );
|
|
return retval;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassNameA (USER32.@)
|
|
*/
|
|
INT WINAPI GetClassNameA( HWND hwnd, LPSTR buffer, INT count )
|
|
{
|
|
INT ret = GlobalGetAtomNameA( GetClassLongA( hwnd, GCW_ATOM ), buffer, count );
|
|
|
|
TRACE("%x %s %x\n",hwnd, debugstr_a(buffer), count);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassNameW (USER32.@)
|
|
*/
|
|
INT WINAPI GetClassNameW( HWND hwnd, LPWSTR buffer, INT count )
|
|
{
|
|
INT ret = GlobalGetAtomNameW( GetClassLongW( hwnd, GCW_ATOM ), buffer, count );
|
|
|
|
TRACE("%x %s %x\n",hwnd, debugstr_w(buffer), count);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassInfo (USER.404)
|
|
*/
|
|
BOOL16 WINAPI GetClassInfo16( HINSTANCE16 hInstance, SEGPTR name, WNDCLASS16 *wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
|
|
TRACE("%x %s %p\n",hInstance, debugres_a(MapSL(name)), wc);
|
|
|
|
hInstance = GetExePtr( hInstance );
|
|
if (!(atom = GlobalFindAtomA( MapSL(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 = CLASS_GetProc( classPtr, 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 = name;
|
|
wc->lpszMenuName = (SEGPTR)CLASS_GetMenuNameA( classPtr );
|
|
if (HIWORD(wc->lpszMenuName)) /* Make it a SEGPTR */
|
|
wc->lpszMenuName = SEGPTR_GET( (LPSTR)wc->lpszMenuName );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassInfoA (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetClassInfoA( HINSTANCE hInstance, LPCSTR name,
|
|
WNDCLASSA *wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
|
|
TRACE("%x %p %p\n",hInstance, name, wc);
|
|
|
|
/* workaround: if hInstance=NULL you expect to get the system classes
|
|
but this classes (as example from comctl32.dll SysListView) won't be
|
|
registered with hInstance=NULL in WINE because of the late loading
|
|
of this dll. fixes file dialogs in WinWord95 (jsch)*/
|
|
|
|
if (!(atom=GlobalFindAtomA(name)) || !(classPtr=CLASS_FindClassByAtom(atom,hInstance)))
|
|
return FALSE;
|
|
|
|
if (!(classPtr->style & CS_GLOBALCLASS) &&
|
|
classPtr->hInstance &&
|
|
(hInstance != classPtr->hInstance))
|
|
{
|
|
if (hInstance) return FALSE;
|
|
WARN("systemclass %s (hInst=0) demanded but only class with hInst!=0 found\n",name);
|
|
}
|
|
|
|
wc->style = classPtr->style;
|
|
wc->lpfnWndProc = (WNDPROC)CLASS_GetProc( classPtr, WIN_PROC_32A );
|
|
wc->cbClsExtra = classPtr->cbClsExtra;
|
|
wc->cbWndExtra = classPtr->cbWndExtra;
|
|
wc->hInstance = hInstance;
|
|
wc->hIcon = (HICON)classPtr->hIcon;
|
|
wc->hCursor = (HCURSOR)classPtr->hCursor;
|
|
wc->hbrBackground = (HBRUSH)classPtr->hbrBackground;
|
|
wc->lpszMenuName = CLASS_GetMenuNameA( classPtr );
|
|
wc->lpszClassName = name;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassInfoW (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetClassInfoW( HINSTANCE hInstance, LPCWSTR name,
|
|
WNDCLASSW *wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
|
|
TRACE("%x %p %p\n",hInstance, name, wc);
|
|
|
|
if ( !(atom=GlobalFindAtomW(name)) ||
|
|
!(classPtr=CLASS_FindClassByAtom(atom,hInstance))
|
|
)
|
|
return FALSE;
|
|
|
|
if (!(classPtr->style & CS_GLOBALCLASS) &&
|
|
classPtr->hInstance &&
|
|
(hInstance != classPtr->hInstance))
|
|
{
|
|
if (hInstance) return FALSE;
|
|
WARN("systemclass %s (hInst=0) demanded but only class with hInst!=0 found\n",debugstr_w(name));
|
|
}
|
|
wc->style = classPtr->style;
|
|
wc->lpfnWndProc = (WNDPROC)CLASS_GetProc( classPtr, WIN_PROC_32W );
|
|
wc->cbClsExtra = classPtr->cbClsExtra;
|
|
wc->cbWndExtra = classPtr->cbWndExtra;
|
|
wc->hInstance = hInstance;
|
|
wc->hIcon = (HICON)classPtr->hIcon;
|
|
wc->hCursor = (HCURSOR)classPtr->hCursor;
|
|
wc->hbrBackground = (HBRUSH)classPtr->hbrBackground;
|
|
wc->lpszMenuName = CLASS_GetMenuNameW( classPtr );
|
|
wc->lpszClassName = name;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassInfoEx (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;
|
|
|
|
TRACE("%x %s %p\n",hInstance,debugres_a( MapSL(name) ), wc);
|
|
|
|
hInstance = GetExePtr( hInstance );
|
|
if (!(atom = GlobalFindAtomA( MapSL(name) )) ||
|
|
!(classPtr = CLASS_FindClassByAtom( atom, hInstance )) ||
|
|
(hInstance != classPtr->hInstance)) return FALSE;
|
|
wc->style = classPtr->style;
|
|
wc->lpfnWndProc = CLASS_GetProc( classPtr, 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 );
|
|
wc->lpszClassName = name;
|
|
|
|
/* We must return the atom of the class here instead of just TRUE. */
|
|
return atom;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassInfoExA (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetClassInfoExA( HINSTANCE hInstance, LPCSTR name,
|
|
WNDCLASSEXA *wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
|
|
TRACE("%x %p %p\n",hInstance, name, wc);
|
|
|
|
if (!(atom = GlobalFindAtomA( name )) ||
|
|
!(classPtr = CLASS_FindClassByAtom( atom, hInstance ))
|
|
/*|| (hInstance != classPtr->hInstance) */ ) return FALSE;
|
|
wc->style = classPtr->style;
|
|
wc->lpfnWndProc = (WNDPROC)CLASS_GetProc( classPtr, WIN_PROC_32A );
|
|
wc->cbClsExtra = classPtr->cbClsExtra;
|
|
wc->cbWndExtra = classPtr->cbWndExtra;
|
|
wc->hInstance = classPtr->hInstance;
|
|
wc->hIcon = (HICON)classPtr->hIcon;
|
|
wc->hIconSm = (HICON)classPtr->hIconSm;
|
|
wc->hCursor = (HCURSOR)classPtr->hCursor;
|
|
wc->hbrBackground = (HBRUSH)classPtr->hbrBackground;
|
|
wc->lpszMenuName = CLASS_GetMenuNameA( classPtr );
|
|
wc->lpszClassName = name;
|
|
|
|
/* We must return the atom of the class here instead of just TRUE. */
|
|
return atom;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetClassInfoExW (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetClassInfoExW( HINSTANCE hInstance, LPCWSTR name,
|
|
WNDCLASSEXW *wc )
|
|
{
|
|
ATOM atom;
|
|
CLASS *classPtr;
|
|
|
|
TRACE("%x %p %p\n",hInstance, name, wc);
|
|
|
|
if (!(atom = GlobalFindAtomW( name )) ||
|
|
!(classPtr = CLASS_FindClassByAtom( atom, hInstance )) ||
|
|
(hInstance != classPtr->hInstance)) return FALSE;
|
|
wc->style = classPtr->style;
|
|
wc->lpfnWndProc = (WNDPROC)CLASS_GetProc( classPtr, WIN_PROC_32W );
|
|
wc->cbClsExtra = classPtr->cbClsExtra;
|
|
wc->cbWndExtra = classPtr->cbWndExtra;
|
|
wc->hInstance = classPtr->hInstance;
|
|
wc->hIcon = (HICON)classPtr->hIcon;
|
|
wc->hIconSm = (HICON)classPtr->hIconSm;
|
|
wc->hCursor = (HCURSOR)classPtr->hCursor;
|
|
wc->hbrBackground = (HBRUSH)classPtr->hbrBackground;
|
|
wc->lpszMenuName = CLASS_GetMenuNameW( classPtr );
|
|
wc->lpszClassName = name;
|
|
|
|
/* We must return the atom of the class here instead of just TRUE. */
|
|
return atom;
|
|
}
|
|
|
|
|
|
#if 0 /* toolhelp is in kernel, so this cannot work */
|
|
|
|
/***********************************************************************
|
|
* ClassFirst (TOOLHELP.69)
|
|
*/
|
|
BOOL16 WINAPI ClassFirst16( CLASSENTRY *pClassEntry )
|
|
{
|
|
TRACE("%p\n",pClassEntry);
|
|
pClassEntry->wNext = 1;
|
|
return ClassNext16( pClassEntry );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ClassNext (TOOLHELP.70)
|
|
*/
|
|
BOOL16 WINAPI ClassNext16( CLASSENTRY *pClassEntry )
|
|
{
|
|
int i;
|
|
CLASS *class = firstClass;
|
|
|
|
TRACE("%p\n",pClassEntry);
|
|
|
|
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++;
|
|
GlobalGetAtomNameA( class->atomName, pClassEntry->szClassName,
|
|
sizeof(pClassEntry->szClassName) );
|
|
return TRUE;
|
|
}
|
|
#endif
|