Reboot (int19) under DOS now does ExitProcess.
[wine] / dlls / user / user_main.c
1 /*
2  * USER initialization code
3  *
4  * Copyright 2000 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include <stdarg.h>
22 #include <string.h>
23 #include "windef.h"
24 #include "winbase.h"
25 #include "wingdi.h"
26 #include "winuser.h"
27 #include "winreg.h"
28 #include "wine/winbase16.h"
29 #include "wine/winuser16.h"
30
31 #include "controls.h"
32 #include "cursoricon.h"
33 #include "global.h"
34 #include "message.h"
35 #include "user.h"
36 #include "win.h"
37 #include "wine/debug.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(graphics);
40
41 USER_DRIVER USER_Driver;
42
43 WINE_LOOK TWEAK_WineLook = WIN31_LOOK;
44
45 WORD USER_HeapSel = 0;  /* USER heap selector */
46
47 extern HPALETTE (WINAPI *pfnGDISelectPalette)(HDC hdc, HPALETTE hpal, WORD bkgnd );
48 extern UINT (WINAPI *pfnGDIRealizePalette)(HDC hdc);
49
50 static HMODULE graphics_driver;
51 static DWORD exiting_thread_id;
52
53 extern void WDML_NotifyThreadDetach(void);
54
55 #define GET_USER_FUNC(name) USER_Driver.p##name = (void*)GetProcAddress( graphics_driver, #name )
56
57 /* load the graphics driver */
58 static BOOL load_driver(void)
59 {
60     char buffer[MAX_PATH];
61     HKEY hkey;
62     DWORD type, count;
63
64     strcpy( buffer, "x11drv" );  /* default value */
65     if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
66     {
67         count = sizeof(buffer);
68         RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
69         RegCloseKey( hkey );
70     }
71
72     if (!(graphics_driver = LoadLibraryA( buffer )))
73     {
74         MESSAGE( "Could not load graphics driver '%s'\n", buffer );
75         return FALSE;
76     }
77
78     GET_USER_FUNC(InitKeyboard);
79     GET_USER_FUNC(VkKeyScan);
80     GET_USER_FUNC(MapVirtualKey);
81     GET_USER_FUNC(GetKeyNameText);
82     GET_USER_FUNC(ToUnicode);
83     GET_USER_FUNC(Beep);
84     GET_USER_FUNC(InitMouse);
85     GET_USER_FUNC(SetCursor);
86     GET_USER_FUNC(GetCursorPos);
87     GET_USER_FUNC(SetCursorPos);
88     GET_USER_FUNC(GetScreenSaveActive);
89     GET_USER_FUNC(SetScreenSaveActive);
90     GET_USER_FUNC(AcquireClipboard);
91     GET_USER_FUNC(EmptyClipboard);
92     GET_USER_FUNC(SetClipboardData);
93     GET_USER_FUNC(GetClipboardData);
94     GET_USER_FUNC(CountClipboardFormats);
95     GET_USER_FUNC(EnumClipboardFormats);
96     GET_USER_FUNC(IsClipboardFormatAvailable);
97     GET_USER_FUNC(RegisterClipboardFormat);
98     GET_USER_FUNC(GetClipboardFormatName);
99     GET_USER_FUNC(EndClipboardUpdate);
100     GET_USER_FUNC(ResetSelectionOwner);
101     GET_USER_FUNC(ChangeDisplaySettingsExW);
102     GET_USER_FUNC(EnumDisplaySettingsExW);
103     GET_USER_FUNC(CreateWindow);
104     GET_USER_FUNC(DestroyWindow);
105     GET_USER_FUNC(GetDC);
106     GET_USER_FUNC(ForceWindowRaise);
107     GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
108     GET_USER_FUNC(ReleaseDC);
109     GET_USER_FUNC(ScrollDC);
110     GET_USER_FUNC(ScrollWindowEx);
111     GET_USER_FUNC(SetFocus);
112     GET_USER_FUNC(SetParent);
113     GET_USER_FUNC(SetWindowPos);
114     GET_USER_FUNC(SetWindowRgn);
115     GET_USER_FUNC(SetWindowIcon);
116     GET_USER_FUNC(SetWindowStyle);
117     GET_USER_FUNC(SetWindowText);
118     GET_USER_FUNC(ShowWindow);
119     GET_USER_FUNC(SysCommandSizeMove);
120
121     return TRUE;
122 }
123
124
125 /***********************************************************************
126  *           controls_init
127  *
128  * Register the classes for the builtin controls
129  */
130 static void controls_init(void)
131 {
132     extern const struct builtin_class_descr BUTTON_builtin_class;
133     extern const struct builtin_class_descr COMBO_builtin_class;
134     extern const struct builtin_class_descr COMBOLBOX_builtin_class;
135     extern const struct builtin_class_descr DIALOG_builtin_class;
136     extern const struct builtin_class_descr DESKTOP_builtin_class;
137     extern const struct builtin_class_descr EDIT_builtin_class;
138     extern const struct builtin_class_descr ICONTITLE_builtin_class;
139     extern const struct builtin_class_descr LISTBOX_builtin_class;
140     extern const struct builtin_class_descr MDICLIENT_builtin_class;
141     extern const struct builtin_class_descr MENU_builtin_class;
142     extern const struct builtin_class_descr SCROLL_builtin_class;
143     extern const struct builtin_class_descr STATIC_builtin_class;
144
145     CLASS_RegisterBuiltinClass( &BUTTON_builtin_class );
146     CLASS_RegisterBuiltinClass( &COMBO_builtin_class );
147     CLASS_RegisterBuiltinClass( &COMBOLBOX_builtin_class );
148     CLASS_RegisterBuiltinClass( &DIALOG_builtin_class );
149     CLASS_RegisterBuiltinClass( &DESKTOP_builtin_class );
150     CLASS_RegisterBuiltinClass( &EDIT_builtin_class );
151     CLASS_RegisterBuiltinClass( &ICONTITLE_builtin_class );
152     CLASS_RegisterBuiltinClass( &LISTBOX_builtin_class );
153     CLASS_RegisterBuiltinClass( &MDICLIENT_builtin_class );
154     CLASS_RegisterBuiltinClass( &MENU_builtin_class );
155     CLASS_RegisterBuiltinClass( &SCROLL_builtin_class );
156     CLASS_RegisterBuiltinClass( &STATIC_builtin_class );
157 }
158
159
160 /***********************************************************************
161  *           palette_init
162  *
163  * Patch the function pointers in GDI for SelectPalette and RealizePalette
164  */
165 static void palette_init(void)
166 {
167     void **ptr;
168     HMODULE module = GetModuleHandleA( "gdi32" );
169     if (!module)
170     {
171         ERR( "cannot get GDI32 handle\n" );
172         return;
173     }
174     if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
175         pfnGDISelectPalette = InterlockedExchangePointer( ptr, SelectPalette );
176     else ERR( "cannot find pfnSelectPalette in GDI32\n" );
177     if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
178         pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
179     else ERR( "cannot find pfnRealizePalette in GDI32\n" );
180 }
181
182
183 /***********************************************************************
184  *           tweak_init
185  */
186 static void tweak_init(void)
187 {
188     static const char *OS = "Win3.1";
189     char buffer[80];
190     HKEY hkey;
191     DWORD type, count = sizeof(buffer);
192
193     if (RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Tweak.Layout", &hkey ))
194         return;
195     if (RegQueryValueExA( hkey, "WineLook", 0, &type, buffer, &count ))
196         strcpy( buffer, "Win31" );  /* default value */
197     RegCloseKey( hkey );
198
199     /* WIN31_LOOK is default */
200     if (!strncasecmp( buffer, "Win95", 5 ))
201     {
202         TWEAK_WineLook = WIN95_LOOK;
203         OS = "Win95";
204     }
205     else if (!strncasecmp( buffer, "Win98", 5 ))
206     {
207         TWEAK_WineLook = WIN98_LOOK;
208         OS = "Win98";
209     }
210     TRACE("Using %s look and feel.\n", OS);
211 }
212
213
214 /***********************************************************************
215  *           USER initialisation routine
216  */
217 static BOOL process_attach(void)
218 {
219     HINSTANCE16 instance;
220
221     /* Create USER heap */
222     if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
223     else
224     {
225         USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
226         LocalInit16( USER_HeapSel, 32, 65534 );
227     }
228
229     /* Load the graphics driver */
230     tweak_init();
231     if (!load_driver()) return FALSE;
232
233     /* Initialize system colors and metrics */
234     SYSMETRICS_Init();
235     SYSCOLOR_Init();
236
237     /* Setup palette function pointers */
238     palette_init();
239
240     /* Initialize built-in window classes */
241     controls_init();
242
243     /* Initialize menus */
244     if (!MENU_Init()) return FALSE;
245
246     /* Initialize message spying */
247     if (!SPY_Init()) return FALSE;
248
249     /* Create message queue of initial thread */
250     InitThreadInput16( 0, 0 );
251
252     /* Create desktop window */
253     if (!WIN_CreateDesktopWindow()) return FALSE;
254
255     /* Initialize keyboard driver */
256     if (USER_Driver.pInitKeyboard) USER_Driver.pInitKeyboard( InputKeyStateTable );
257
258     /* Initialize mouse driver */
259     if (USER_Driver.pInitMouse) USER_Driver.pInitMouse( InputKeyStateTable );
260
261     return TRUE;
262 }
263
264
265 /**********************************************************************
266  *           USER_IsExitingThread
267  */
268 BOOL USER_IsExitingThread( DWORD tid )
269 {
270     return (tid == exiting_thread_id);
271 }
272
273
274 /**********************************************************************
275  *           thread_detach
276  */
277 static void thread_detach(void)
278 {
279     exiting_thread_id = GetCurrentThreadId();
280
281     WDML_NotifyThreadDetach();
282
283     TIMER_RemoveThreadTimers();
284     WIN_DestroyThreadWindows( GetDesktopWindow() );
285     QUEUE_DeleteMsgQueue();
286
287     exiting_thread_id = 0;
288 }
289
290
291 /***********************************************************************
292  *           UserClientDllInitialize  (USER32.@)
293  *
294  * USER dll initialisation routine
295  */
296 BOOL WINAPI UserClientDllInitialize( HINSTANCE inst, DWORD reason, LPVOID reserved )
297 {
298     BOOL ret = TRUE;
299     switch(reason)
300     {
301     case DLL_PROCESS_ATTACH:
302         ret = process_attach();
303         break;
304     case DLL_THREAD_DETACH:
305         thread_detach();
306         break;
307     }
308     return ret;
309 }