dlls/user32/user_private.h

   1 /*
   2  * USER private definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_USER_PRIVATE_H
  22 #define __WINE_USER_PRIVATE_H
  23
  24 #include <stdarg.h>
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "winternl.h"
  31 #include "wine/windef16.h"
  32 #include "wine/winbase16.h"
  33
  34 extern WORD USER_HeapSel;
  35
  36 static inline HLOCAL16 LOCAL_Alloc( HANDLE16 ds, UINT16 flags, WORD size )
  37 {
  38     STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
  39     HANDLE16 oldDS = stack16->ds;
  40     HLOCAL16 ret;
  41
  42     stack16->ds = ds;
  43     ret = LocalAlloc16 (flags, size);
  44     stack16->ds = oldDS;
  45     return ret;
  46 }
  47
  48 static inline  HLOCAL16 LOCAL_ReAlloc( HANDLE16 ds, HLOCAL16 handle, WORD size, UINT16 flags )
  49 {
  50     STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
  51     HANDLE16 oldDS = stack16->ds;
  52     HLOCAL16 ret;
  53
  54     stack16->ds = ds;
  55     ret = LocalReAlloc16 (handle, size, flags);
  56     stack16->ds = oldDS;
  57     return ret;
  58 }
  59
  60 static inline HLOCAL16 LOCAL_Free( HANDLE16 ds, HLOCAL16 handle )
  61 {
  62     STACK16FRAME* stack16 = MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved));
  63     HANDLE16 oldDS = stack16->ds;
  64     HLOCAL16 ret;
  65
  66     stack16->ds = ds;
  67     ret = LocalFree16 (handle);
  68     stack16->ds = oldDS;
  69     return ret;
  70 }
  71
  72 #define USER_HEAP_ALLOC(size) \
  73             ((HANDLE)(ULONG_PTR)LOCAL_Alloc( USER_HeapSel, LMEM_FIXED, (size) ))
  74 #define USER_HEAP_REALLOC(handle,size) \
  75             ((HANDLE)(ULONG_PTR)LOCAL_ReAlloc( USER_HeapSel, LOWORD(handle), (size), LMEM_FIXED ))
  76 #define USER_HEAP_FREE(handle) \
  77             LOCAL_Free( USER_HeapSel, LOWORD(handle) )
  78 #define USER_HEAP_LIN_ADDR(handle)  \
  79          ((handle) ? MapSL(MAKESEGPTR(USER_HeapSel, LOWORD(handle))) : NULL)
  80
  81 #define GET_WORD(ptr)  (*(const WORD *)(ptr))
  82 #define GET_DWORD(ptr) (*(const DWORD *)(ptr))
  83
  84 #define WM_SYSTIMER         0x0118
  85
  86 /* internal messages codes */
  87 enum wine_internal_message
  88 {
  89     WM_WINE_DESTROYWINDOW = 0x80000000,
  90     WM_WINE_SETWINDOWPOS,
  91     WM_WINE_SHOWWINDOW,
  92     WM_WINE_SETPARENT,
  93     WM_WINE_SETWINDOWLONG,
  94     WM_WINE_ENABLEWINDOW,
  95     WM_WINE_SETACTIVEWINDOW,
  96     WM_WINE_KEYBOARD_LL_HOOK,
  97     WM_WINE_MOUSE_LL_HOOK,
  98     WM_WINE_FIRST_DRIVER_MSG = 0x80001000,  /* range of messages reserved for the USER driver */
  99     WM_WINE_LAST_DRIVER_MSG = 0x80001fff
 100 };
 101
 102 struct tagCURSORICONINFO;
 103
 104 typedef struct tagUSER_DRIVER {
 105     /* keyboard functions */
 106     HKL    (*pActivateKeyboardLayout)(HKL, UINT);
 107     void   (*pBeep)(void);
 108     SHORT  (*pGetAsyncKeyState)(INT);
 109     INT    (*pGetKeyNameText)(LONG, LPWSTR, INT);
 110     HKL    (*pGetKeyboardLayout)(DWORD);
 111     UINT   (*pGetKeyboardLayoutList)(INT, HKL *);
 112     BOOL   (*pGetKeyboardLayoutName)(LPWSTR);
 113     HKL    (*pLoadKeyboardLayout)(LPCWSTR, UINT);
 114     UINT   (*pMapVirtualKeyEx)(UINT, UINT, HKL);
 115     UINT   (*pSendInput)(UINT, LPINPUT, int);
 116     INT    (*pToUnicodeEx)(UINT, UINT, LPBYTE, LPWSTR, int, UINT, HKL);
 117     BOOL   (*pUnloadKeyboardLayout)(HKL);
 118     SHORT  (*pVkKeyScanEx)(WCHAR, HKL);
 119     /* mouse functions */
 120     void   (*pSetCursor)(struct tagCURSORICONINFO *);
 121     BOOL   (*pGetCursorPos)(LPPOINT);
 122     BOOL   (*pSetCursorPos)(INT,INT);
 123     BOOL   (*pClipCursor)(LPCRECT);
 124     /* screen saver functions */
 125     BOOL   (*pGetScreenSaveActive)(void);
 126     void   (*pSetScreenSaveActive)(BOOL);
 127     /* clipboard functions */
 128     INT    (*pAcquireClipboard)(HWND);                     /* Acquire selection */
 129     BOOL   (*pCountClipboardFormats)(void);                /* Count available clipboard formats */
 130     void   (*pEmptyClipboard)(BOOL);                       /* Empty clipboard data */
 131     void   (*pEndClipboardUpdate)(void);                   /* End clipboard update */
 132     UINT   (*pEnumClipboardFormats)(UINT);                 /* Enumerate clipboard formats */
 133     BOOL   (*pGetClipboardData)(UINT, HANDLE16*, HANDLE*); /* Get specified selection data */
 134     INT    (*pGetClipboardFormatName)(UINT, LPWSTR, UINT); /* Get a clipboard format name */
 135     BOOL   (*pIsClipboardFormatAvailable)(UINT);           /* Check if specified format is available */
 136     UINT   (*pRegisterClipboardFormat)(LPCWSTR);           /* Register a clipboard format */
 137     BOOL   (*pSetClipboardData)(UINT, HANDLE16, HANDLE, BOOL);   /* Set specified selection data */
 138     /* display modes */
 139     LONG   (*pChangeDisplaySettingsEx)(LPCWSTR,LPDEVMODEW,HWND,DWORD,LPVOID);
 140     BOOL   (*pEnumDisplayMonitors)(HDC,LPRECT,MONITORENUMPROC,LPARAM);
 141     BOOL   (*pEnumDisplaySettingsEx)(LPCWSTR,DWORD,LPDEVMODEW,DWORD);
 142     BOOL   (*pGetMonitorInfo)(HMONITOR,MONITORINFO*);
 143     /* windowing functions */
 144     BOOL   (*pCreateDesktopWindow)(HWND);
 145     BOOL   (*pCreateWindow)(HWND,CREATESTRUCTA*,BOOL);
 146     void   (*pDestroyWindow)(HWND);
 147     HDC    (*pGetDCEx)(HWND,HRGN,DWORD);
 148     DWORD  (*pMsgWaitForMultipleObjectsEx)(DWORD,const HANDLE*,DWORD,DWORD,DWORD);
 149     INT    (*pReleaseDC)(HWND,HDC,BOOL);
 150     BOOL   (*pScrollDC)(HDC, INT, INT, const RECT *, const RECT *, HRGN, LPRECT);
 151     void   (*pSetFocus)(HWND);
 152     void   (*pSetParent)(HWND,HWND,HWND);
 153     BOOL   (*pSetWindowPos)(HWND,HWND,const RECT *,const RECT *,UINT,const RECT *);
 154     int    (*pSetWindowRgn)(HWND,HRGN,BOOL);
 155     void   (*pSetWindowIcon)(HWND,UINT,HICON);
 156     void   (*pSetWindowStyle)(HWND,DWORD);
 157     void   (*pSetWindowText)(HWND,LPCWSTR);
 158     BOOL   (*pShowWindow)(HWND,INT);
 159     void   (*pSysCommandSizeMove)(HWND,WPARAM);
 160     HWND   (*pWindowFromDC)(HDC);
 161     LRESULT (*pWindowMessage)(HWND,UINT,WPARAM,LPARAM);
 162 } USER_DRIVER;
 163
 164 extern const USER_DRIVER *USER_Driver;
 165
 166 extern void USER_unload_driver(void);
 167
 168 struct received_message_info;
 169 struct hook16_queue_info;
 170
 171 /* type of message-sending functions that need special WM_CHAR handling */
 172 enum wm_char_mapping
 173 {
 174     WMCHAR_MAP_POSTMESSAGE,
 175     WMCHAR_MAP_SENDMESSAGE,
 176     WMCHAR_MAP_SENDMESSAGETIMEOUT,
 177     WMCHAR_MAP_RECVMESSAGE,
 178     WMCHAR_MAP_DISPATCHMESSAGE,
 179     WMCHAR_MAP_CALLWINDOWPROC,
 180     WMCHAR_MAP_COUNT,
 181     WMCHAR_MAP_NOMAPPING = WMCHAR_MAP_COUNT
 182 };
 183
 184 /* data to store state for A/W mappings of WM_CHAR */
 185 struct wm_char_mapping_data
 186 {
 187     BYTE lead_byte[WMCHAR_MAP_COUNT];
 188     MSG  get_msg;
 189 };
 190
 191 /* this is the structure stored in TEB->Win32ClientInfo */
 192 /* no attempt is made to keep the layout compatible with the Windows one */
 193 struct user_thread_info
 194 {
 195     HANDLE                        server_queue;           /* Handle to server-side queue */
 196     DWORD                         recursion_count;        /* SendMessage recursion counter */
 197     BOOL                          hook_unicode;           /* Is current hook unicode? */
 198     HHOOK                         hook;                   /* Current hook */
 199     struct received_message_info *receive_info;           /* Message being currently received */
 200     struct hook16_queue_info     *hook16_info;            /* Opaque pointer for 16-bit hook support */
 201     struct wm_char_mapping_data  *wmchar_data;            /* Data for WM_CHAR mappings */
 202     DWORD                         GetMessageTimeVal;      /* Value for GetMessageTime */
 203     DWORD                         GetMessagePosVal;       /* Value for GetMessagePos */
 204     ULONG_PTR                     GetMessageExtraInfoVal; /* Value for GetMessageExtraInfo */
 205     HCURSOR                       cursor;                 /* Current cursor */
 206     INT                           cursor_count;           /* Cursor show count */
 207     UINT                          active_hooks;           /* Bitmap of active hooks */
 208     HWND                          desktop;                /* Desktop window */
 209
 210     ULONG                         pad[10];                /* Available for more data */
 211 };
 212
 213 struct hook_extra_info
 214 {
 215     HHOOK handle;
 216     LPARAM lparam;
 217 };
 218
 219 static inline struct user_thread_info *get_user_thread_info(void)
 220 {
 221     return (struct user_thread_info *)NtCurrentTeb()->Win32ClientInfo;
 222 }
 223
 224 /* check if hwnd is a broadcast magic handle */
 225 static inline BOOL is_broadcast( HWND hwnd )
 226 {
 227     return (hwnd == HWND_BROADCAST || hwnd == HWND_TOPMOST);
 228 }
 229
 230 extern HMODULE user32_module;
 231 extern DWORD USER16_AlertableWait;
 232 extern HBRUSH SYSCOLOR_55AABrush;
 233
 234 extern BOOL CLIPBOARD_ReleaseOwner(void);
 235 extern BOOL FOCUS_MouseActivate( HWND hwnd );
 236 extern BOOL HOOK_IsHooked( INT id );
 237 extern void erase_now( HWND hwnd, UINT rdw_flags );
 238 extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam );
 239 extern BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping );
 240 extern LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
 241                                                UINT msg, WPARAM wparam, LPARAM lparam,
 242                                                UINT flags, UINT timeout, PDWORD_PTR res_ptr );
 243 extern HPEN SYSCOLOR_GetPen( INT index );
 244 extern void SYSPARAMS_Init(void);
 245 extern void USER_CheckNotLock(void);
 246 extern BOOL USER_IsExitingThread( DWORD tid );
 247
 248 extern BOOL USER_SetWindowPos( WINDOWPOS * winpos );
 249
 250 typedef LRESULT (*winproc_callback_t)( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
 251                                        LRESULT *result, void *arg );
 252 typedef LRESULT (*winproc_callback16_t)( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp,
 253                                          LRESULT *result, void *arg );
 254
 255 extern WNDPROC16 WINPROC_GetProc16( WNDPROC proc, BOOL unicode );
 256 extern WNDPROC WINPROC_AllocProc16( WNDPROC16 func );
 257 extern WNDPROC WINPROC_GetProc( WNDPROC proc, BOOL unicode );
 258 extern WNDPROC WINPROC_AllocProc( WNDPROC funcA, WNDPROC funcW );
 259 extern BOOL WINPROC_IsUnicode( WNDPROC proc, BOOL def_val );
 260
 261 extern LRESULT WINPROC_CallProcAtoW( winproc_callback_t callback, HWND hwnd, UINT msg,
 262                                      WPARAM wParam, LPARAM lParam, LRESULT *result, void *arg,
 263                                      enum wm_char_mapping mapping );
 264 extern LRESULT WINPROC_CallProc16To32A( winproc_callback_t callback, HWND16 hwnd, UINT16 msg,
 265                                         WPARAM16 wParam, LPARAM lParam, LRESULT *result, void *arg );
 266 extern LRESULT WINPROC_CallProc32ATo16( winproc_callback16_t callback, HWND hwnd, UINT msg,
 267                                         WPARAM wParam, LPARAM lParam, LRESULT *result, void *arg );
 268
 269 extern INT_PTR WINPROC_CallDlgProc16( DLGPROC16 func, HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam );
 270 extern INT_PTR WINPROC_CallDlgProcA( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
 271 extern INT_PTR WINPROC_CallDlgProcW( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
 272 extern BOOL WINPROC_call_window( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
 273                                  LRESULT *result, BOOL unicode, enum wm_char_mapping mapping );
 274
 275 /* message spy definitions */
 276
 277 #define SPY_DISPATCHMESSAGE16     0x0100
 278 #define SPY_DISPATCHMESSAGE       0x0101
 279 #define SPY_SENDMESSAGE16         0x0102
 280 #define SPY_SENDMESSAGE           0x0103
 281 #define SPY_DEFWNDPROC16          0x0104
 282 #define SPY_DEFWNDPROC            0x0105
 283
 284 #define SPY_RESULT_OK16           0x0000
 285 #define SPY_RESULT_OK             0x0001
 286 #define SPY_RESULT_INVALIDHWND16  0x0002
 287 #define SPY_RESULT_INVALIDHWND    0x0003
 288 #define SPY_RESULT_DEFWND16       0x0004
 289 #define SPY_RESULT_DEFWND         0x0005
 290
 291 extern const char *SPY_GetClassLongOffsetName( INT offset );
 292 extern const char *SPY_GetMsgName( UINT msg, HWND hWnd );
 293 extern const char *SPY_GetVKeyName(WPARAM wParam);
 294 extern void SPY_EnterMessage( INT iFlag, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
 295 extern void SPY_ExitMessage( INT iFlag, HWND hwnd, UINT msg,
 296                              LRESULT lReturn, WPARAM wParam, LPARAM lParam );
 297 extern int SPY_Init(void);
 298
 299 /* HANDLE16 <-> HANDLE conversions */
 300 #define HCURSOR_16(h32)    (LOWORD(h32))
 301 #define HICON_16(h32)      (LOWORD(h32))
 302 #define HINSTANCE_16(h32)  (LOWORD(h32))
 303
 304 #define HCURSOR_32(h16)    ((HCURSOR)(ULONG_PTR)(h16))
 305 #define HICON_32(h16)      ((HICON)(ULONG_PTR)(h16))
 306 #define HINSTANCE_32(h16)  ((HINSTANCE)(ULONG_PTR)(h16))
 307 #define HMODULE_32(h16)    ((HMODULE)(ULONG_PTR)(h16))
 308
 309 #include "pshpack1.h"
 310
 311 typedef struct
 312 {
 313     BYTE   bWidth;
 314     BYTE   bHeight;
 315     BYTE   bColorCount;
 316     BYTE   bReserved;
 317 } ICONRESDIR;
 318
 319 typedef struct
 320 {
 321     WORD   wWidth;
 322     WORD   wHeight;
 323 } CURSORDIR;
 324
 325 typedef struct
 326 {   union
 327     { ICONRESDIR icon;
 328       CURSORDIR  cursor;
 329     } ResInfo;
 330     WORD   wPlanes;
 331     WORD   wBitCount;
 332     DWORD  dwBytesInRes;
 333     WORD   wResId;
 334 } CURSORICONDIRENTRY;
 335
 336 typedef struct
 337 {
 338     WORD                idReserved;
 339     WORD                idType;
 340     WORD                idCount;
 341     CURSORICONDIRENTRY  idEntries[1];
 342 } CURSORICONDIR;
 343
 344 #include "poppack.h"
 345
 346 extern void CURSORICON_FreeModuleIcons( HMODULE16 hModule );
 347
 348 #endif /* __WINE_USER_PRIVATE_H */