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
  32 #define GET_WORD(ptr)  (*(const WORD *)(ptr))
  33 #define GET_DWORD(ptr) (*(const DWORD *)(ptr))
  34
  35 #define WM_SYSTIMER         0x0118
  36 #define WM_POPUPSYSTEMMENU  0x0313
  37
  38 /* internal messages codes */
  39 enum wine_internal_message
  40 {
  41     WM_WINE_DESTROYWINDOW = 0x80000000,
  42     WM_WINE_SETWINDOWPOS,
  43     WM_WINE_SHOWWINDOW,
  44     WM_WINE_SETPARENT,
  45     WM_WINE_SETWINDOWLONG,
  46     WM_WINE_ENABLEWINDOW,
  47     WM_WINE_SETACTIVEWINDOW,
  48     WM_WINE_KEYBOARD_LL_HOOK,
  49     WM_WINE_MOUSE_LL_HOOK,
  50     WM_WINE_CLIPCURSOR,
  51     WM_WINE_FIRST_DRIVER_MSG = 0x80001000,  /* range of messages reserved for the USER driver */
  52     WM_WINE_LAST_DRIVER_MSG = 0x80001fff
  53 };
  54
  55 typedef struct tagUSER_DRIVER {
  56     /* keyboard functions */
  57     HKL    (CDECL *pActivateKeyboardLayout)(HKL, UINT);
  58     void   (CDECL *pBeep)(void);
  59     SHORT  (CDECL *pGetAsyncKeyState)(INT);
  60     INT    (CDECL *pGetKeyNameText)(LONG, LPWSTR, INT);
  61     HKL    (CDECL *pGetKeyboardLayout)(DWORD);
  62     BOOL   (CDECL *pGetKeyboardLayoutName)(LPWSTR);
  63     HKL    (CDECL *pLoadKeyboardLayout)(LPCWSTR, UINT);
  64     UINT   (CDECL *pMapVirtualKeyEx)(UINT, UINT, HKL);
  65     INT    (CDECL *pToUnicodeEx)(UINT, UINT, const BYTE *, LPWSTR, int, UINT, HKL);
  66     BOOL   (CDECL *pUnloadKeyboardLayout)(HKL);
  67     SHORT  (CDECL *pVkKeyScanEx)(WCHAR, HKL);
  68     /* cursor/icon functions */
  69     void   (CDECL *pCreateCursorIcon)(HCURSOR);
  70     void   (CDECL *pDestroyCursorIcon)(HCURSOR);
  71     void   (CDECL *pSetCursor)(HCURSOR);
  72     BOOL   (CDECL *pGetCursorPos)(LPPOINT);
  73     BOOL   (CDECL *pSetCursorPos)(INT,INT);
  74     BOOL   (CDECL *pClipCursor)(LPCRECT);
  75     /* screen saver functions */
  76     BOOL   (CDECL *pGetScreenSaveActive)(void);
  77     void   (CDECL *pSetScreenSaveActive)(BOOL);
  78     /* clipboard functions */
  79     INT    (CDECL *pAcquireClipboard)(HWND);                     /* Acquire selection */
  80     BOOL   (CDECL *pCountClipboardFormats)(void);                /* Count available clipboard formats */
  81     void   (CDECL *pEmptyClipboard)(BOOL);                       /* Empty clipboard data */
  82     void   (CDECL *pEndClipboardUpdate)(void);                   /* End clipboard update */
  83     UINT   (CDECL *pEnumClipboardFormats)(UINT);                 /* Enumerate clipboard formats */
  84     HANDLE (CDECL *pGetClipboardData)(UINT);                     /* Get specified selection data */
  85     BOOL   (CDECL *pIsClipboardFormatAvailable)(UINT);           /* Check if specified format is available */
  86     BOOL   (CDECL *pSetClipboardData)(UINT, HANDLE, BOOL);       /* Set specified selection data */
  87     /* display modes */
  88     LONG   (CDECL *pChangeDisplaySettingsEx)(LPCWSTR,LPDEVMODEW,HWND,DWORD,LPVOID);
  89     BOOL   (CDECL *pEnumDisplayMonitors)(HDC,LPRECT,MONITORENUMPROC,LPARAM);
  90     BOOL   (CDECL *pEnumDisplaySettingsEx)(LPCWSTR,DWORD,LPDEVMODEW,DWORD);
  91     BOOL   (CDECL *pGetMonitorInfo)(HMONITOR,MONITORINFO*);
  92     /* windowing functions */
  93     BOOL   (CDECL *pCreateDesktopWindow)(HWND);
  94     BOOL   (CDECL *pCreateWindow)(HWND);
  95     void   (CDECL *pDestroyWindow)(HWND);
  96     void   (CDECL *pGetDC)(HDC,HWND,HWND,const RECT *,const RECT *,DWORD);
  97     DWORD  (CDECL *pMsgWaitForMultipleObjectsEx)(DWORD,const HANDLE*,DWORD,DWORD,DWORD);
  98     void   (CDECL *pReleaseDC)(HWND,HDC);
  99     BOOL   (CDECL *pScrollDC)(HDC, INT, INT, const RECT *, const RECT *, HRGN, LPRECT);
 100     void   (CDECL *pSetCapture)(HWND,UINT);
 101     void   (CDECL *pSetFocus)(HWND);
 102     void   (CDECL *pSetLayeredWindowAttributes)(HWND,COLORREF,BYTE,DWORD);
 103     void   (CDECL *pSetParent)(HWND,HWND,HWND);
 104     int    (CDECL *pSetWindowRgn)(HWND,HRGN,BOOL);
 105     void   (CDECL *pSetWindowIcon)(HWND,UINT,HICON);
 106     void   (CDECL *pSetWindowStyle)(HWND,INT,STYLESTRUCT*);
 107     void   (CDECL *pSetWindowText)(HWND,LPCWSTR);
 108     UINT   (CDECL *pShowWindow)(HWND,INT,RECT*,UINT);
 109     LRESULT (CDECL *pSysCommand)(HWND,WPARAM,LPARAM);
 110     LRESULT (CDECL *pWindowMessage)(HWND,UINT,WPARAM,LPARAM);
 111     void   (CDECL *pWindowPosChanging)(HWND,HWND,UINT,const RECT *,const RECT *,RECT *);
 112     void   (CDECL *pWindowPosChanged)(HWND,HWND,UINT,const RECT *,const RECT *,const RECT *,const RECT *);
 113 } USER_DRIVER;
 114
 115 extern const USER_DRIVER *USER_Driver DECLSPEC_HIDDEN;
 116
 117 extern void USER_unload_driver(void) DECLSPEC_HIDDEN;
 118
 119 struct received_message_info;
 120
 121 enum user_obj_type
 122 {
 123     USER_WINDOW = 1,  /* window */
 124     USER_MENU,        /* menu */
 125     USER_ACCEL,       /* accelerator */
 126     USER_ICON,        /* icon or cursor */
 127     USER_DWP          /* DeferWindowPos structure */
 128 };
 129
 130 struct user_object
 131 {
 132     HANDLE             handle;
 133     enum user_obj_type type;
 134 };
 135
 136 #define OBJ_OTHER_PROCESS ((void *)1)  /* returned by get_user_handle_ptr on unknown handles */
 137
 138 HANDLE alloc_user_handle( struct user_object *ptr, enum user_obj_type type ) DECLSPEC_HIDDEN;
 139 void *get_user_handle_ptr( HANDLE handle, enum user_obj_type type ) DECLSPEC_HIDDEN;
 140 void release_user_handle_ptr( void *ptr ) DECLSPEC_HIDDEN;
 141 void *free_user_handle( HANDLE handle, enum user_obj_type type ) DECLSPEC_HIDDEN;
 142
 143 /* type of message-sending functions that need special WM_CHAR handling */
 144 enum wm_char_mapping
 145 {
 146     WMCHAR_MAP_POSTMESSAGE,
 147     WMCHAR_MAP_SENDMESSAGE,
 148     WMCHAR_MAP_SENDMESSAGETIMEOUT,
 149     WMCHAR_MAP_RECVMESSAGE,
 150     WMCHAR_MAP_DISPATCHMESSAGE,
 151     WMCHAR_MAP_CALLWINDOWPROC,
 152     WMCHAR_MAP_COUNT,
 153     WMCHAR_MAP_NOMAPPING = WMCHAR_MAP_COUNT
 154 };
 155
 156 /* data to store state for A/W mappings of WM_CHAR */
 157 struct wm_char_mapping_data
 158 {
 159     BYTE lead_byte[WMCHAR_MAP_COUNT];
 160     MSG  get_msg;
 161 };
 162
 163 /* this is the structure stored in TEB->Win32ClientInfo */
 164 /* no attempt is made to keep the layout compatible with the Windows one */
 165 struct user_thread_info
 166 {
 167     HANDLE                        server_queue;           /* Handle to server-side queue */
 168     DWORD                         recursion_count;        /* SendMessage recursion counter */
 169     BOOL                          hook_unicode;           /* Is current hook unicode? */
 170     HHOOK                         hook;                   /* Current hook */
 171     struct received_message_info *receive_info;           /* Message being currently received */
 172     struct wm_char_mapping_data  *wmchar_data;            /* Data for WM_CHAR mappings */
 173     DWORD                         GetMessageTimeVal;      /* Value for GetMessageTime */
 174     DWORD                         GetMessagePosVal;       /* Value for GetMessagePos */
 175     ULONG_PTR                     GetMessageExtraInfoVal; /* Value for GetMessageExtraInfo */
 176     UINT                          active_hooks;           /* Bitmap of active hooks */
 177     HWND                          top_window;             /* Desktop window */
 178     HWND                          msg_window;             /* HWND_MESSAGE parent window */
 179
 180     ULONG                         pad[11];                /* Available for more data */
 181 };
 182
 183 struct hook_extra_info
 184 {
 185     HHOOK handle;
 186     LPARAM lparam;
 187 };
 188
 189 static inline struct user_thread_info *get_user_thread_info(void)
 190 {
 191     return (struct user_thread_info *)NtCurrentTeb()->Win32ClientInfo;
 192 }
 193
 194 /* check if hwnd is a broadcast magic handle */
 195 static inline BOOL is_broadcast( HWND hwnd )
 196 {
 197     return (hwnd == HWND_BROADCAST || hwnd == HWND_TOPMOST);
 198 }
 199
 200 extern HMODULE user32_module DECLSPEC_HIDDEN;
 201 extern HBRUSH SYSCOLOR_55AABrush DECLSPEC_HIDDEN;
 202
 203 struct dce;
 204
 205 extern BOOL CLIPBOARD_ReleaseOwner(void) DECLSPEC_HIDDEN;
 206 extern BOOL FOCUS_MouseActivate( HWND hwnd ) DECLSPEC_HIDDEN;
 207 extern BOOL set_capture_window( HWND hwnd, UINT gui_flags, HWND *prev_ret ) DECLSPEC_HIDDEN;
 208 extern void free_dce( struct dce *dce, HWND hwnd ) DECLSPEC_HIDDEN;
 209 extern void invalidate_dce( HWND hwnd, const RECT *rect ) DECLSPEC_HIDDEN;
 210 extern void erase_now( HWND hwnd, UINT rdw_flags ) DECLSPEC_HIDDEN;
 211 extern void *get_hook_proc( void *proc, const WCHAR *module ) DECLSPEC_HIDDEN;
 212 extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
 213 extern BOOL map_wparam_AtoW( UINT message, WPARAM *wparam, enum wm_char_mapping mapping ) DECLSPEC_HIDDEN;
 214 extern NTSTATUS send_hardware_message( HWND hwnd, const INPUT *input, UINT flags ) DECLSPEC_HIDDEN;
 215 extern LRESULT MSG_SendInternalMessageTimeout( DWORD dest_pid, DWORD dest_tid,
 216                                                UINT msg, WPARAM wparam, LPARAM lparam,
 217                                                UINT flags, UINT timeout, PDWORD_PTR res_ptr ) DECLSPEC_HIDDEN;
 218 extern HPEN SYSCOLOR_GetPen( INT index ) DECLSPEC_HIDDEN;
 219 extern void SYSPARAMS_Init(void) DECLSPEC_HIDDEN;
 220 extern void USER_CheckNotLock(void) DECLSPEC_HIDDEN;
 221 extern BOOL USER_IsExitingThread( DWORD tid ) DECLSPEC_HIDDEN;
 222
 223 extern BOOL USER_SetWindowPos( WINDOWPOS * winpos ) DECLSPEC_HIDDEN;
 224
 225 typedef LRESULT (*winproc_callback_t)( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp,
 226                                        LRESULT *result, void *arg );
 227
 228 extern WNDPROC WINPROC_GetProc( WNDPROC proc, BOOL unicode ) DECLSPEC_HIDDEN;
 229 extern WNDPROC WINPROC_AllocProc( WNDPROC func, BOOL unicode ) DECLSPEC_HIDDEN;
 230 extern BOOL WINPROC_IsUnicode( WNDPROC proc, BOOL def_val ) DECLSPEC_HIDDEN;
 231
 232 extern LRESULT WINPROC_CallProcAtoW( winproc_callback_t callback, HWND hwnd, UINT msg,
 233                                      WPARAM wParam, LPARAM lParam, LRESULT *result, void *arg,
 234                                      enum wm_char_mapping mapping ) DECLSPEC_HIDDEN;
 235
 236 extern INT_PTR WINPROC_CallDlgProcA( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam ) DECLSPEC_HIDDEN;
 237 extern INT_PTR WINPROC_CallDlgProcW( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam ) DECLSPEC_HIDDEN;
 238 extern BOOL WINPROC_call_window( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
 239                                  LRESULT *result, BOOL unicode, enum wm_char_mapping mapping ) DECLSPEC_HIDDEN;
 240
 241 /* message spy definitions */
 242
 243 #define SPY_DISPATCHMESSAGE       0x0100
 244 #define SPY_SENDMESSAGE           0x0101
 245 #define SPY_DEFWNDPROC            0x0102
 246
 247 #define SPY_RESULT_OK             0x0001
 248 #define SPY_RESULT_DEFWND         0x0002
 249
 250 extern const char *SPY_GetClassLongOffsetName( INT offset ) DECLSPEC_HIDDEN;
 251 extern const char *SPY_GetMsgName( UINT msg, HWND hWnd ) DECLSPEC_HIDDEN;
 252 extern const char *SPY_GetVKeyName(WPARAM wParam) DECLSPEC_HIDDEN;
 253 extern void SPY_EnterMessage( INT iFlag, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam ) DECLSPEC_HIDDEN;
 254 extern void SPY_ExitMessage( INT iFlag, HWND hwnd, UINT msg,
 255                              LRESULT lReturn, WPARAM wParam, LPARAM lParam ) DECLSPEC_HIDDEN;
 256 extern int SPY_Init(void) DECLSPEC_HIDDEN;
 257
 258 #include "pshpack1.h"
 259
 260 typedef struct
 261 {
 262     BYTE   bWidth;
 263     BYTE   bHeight;
 264     BYTE   bColorCount;
 265     BYTE   bReserved;
 266 } ICONRESDIR;
 267
 268 typedef struct
 269 {
 270     WORD   wWidth;
 271     WORD   wHeight;
 272 } CURSORDIR;
 273
 274 typedef struct
 275 {   union
 276     { ICONRESDIR icon;
 277       CURSORDIR  cursor;
 278     } ResInfo;
 279     WORD   wPlanes;
 280     WORD   wBitCount;
 281     DWORD  dwBytesInRes;
 282     WORD   wResId;
 283 } CURSORICONDIRENTRY;
 284
 285 typedef struct
 286 {
 287     WORD                idReserved;
 288     WORD                idType;
 289     WORD                idCount;
 290     CURSORICONDIRENTRY  idEntries[1];
 291 } CURSORICONDIR;
 292
 293 #include "poppack.h"
 294
 295 extern BOOL get_icon_size( HICON handle, SIZE *size ) DECLSPEC_HIDDEN;
 296
 297 /* Mingw's assert() imports MessageBoxA and gets confused by user32 exporting it */
 298 #ifdef __MINGW32__
 299 #undef assert
 300 #define assert(expr) ((void)0)
 301 #endif
 302
 303 #endif /* __WINE_USER_PRIVATE_H */