Add a missing return.
[wine.git] / dlls / user / user_main.c
blobd3add4713bb9812614377a83b6f89b7c201efc08
1 /*
2 * USER initialization code
4 * Copyright 2000 Alexandre Julliard
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.
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.
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
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"
31 #include "controls.h"
32 #include "cursoricon.h"
33 #include "message.h"
34 #include "user.h"
35 #include "win.h"
36 #include "wine/debug.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(graphics);
40 USER_DRIVER USER_Driver;
42 WINE_LOOK TWEAK_WineLook = WIN31_LOOK;
44 WORD USER_HeapSel = 0; /* USER heap selector */
46 extern HPALETTE (WINAPI *pfnGDISelectPalette)(HDC hdc, HPALETTE hpal, WORD bkgnd );
47 extern UINT (WINAPI *pfnGDIRealizePalette)(HDC hdc);
49 static HMODULE graphics_driver;
50 static DWORD exiting_thread_id;
52 extern void WDML_NotifyThreadDetach(void);
54 #define GET_USER_FUNC(name) USER_Driver.p##name = (void*)GetProcAddress( graphics_driver, #name )
56 /* load the graphics driver */
57 static BOOL load_driver(void)
59 char buffer[MAX_PATH];
60 HKEY hkey;
61 DWORD type, count;
63 strcpy( buffer, "x11drv" ); /* default value */
64 if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
66 count = sizeof(buffer);
67 RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
68 RegCloseKey( hkey );
71 if (!(graphics_driver = LoadLibraryA( buffer )))
73 MESSAGE( "Could not load graphics driver '%s'\n", buffer );
74 return FALSE;
77 GET_USER_FUNC(InitKeyboard);
78 GET_USER_FUNC(VkKeyScanEx);
79 GET_USER_FUNC(MapVirtualKeyEx);
80 GET_USER_FUNC(GetKeyNameText);
81 GET_USER_FUNC(ToUnicodeEx);
82 GET_USER_FUNC(GetKeyboardLayoutList);
83 GET_USER_FUNC(GetKeyboardLayout);
84 GET_USER_FUNC(GetKeyboardLayoutName);
85 GET_USER_FUNC(LoadKeyboardLayout);
86 GET_USER_FUNC(ActivateKeyboardLayout);
87 GET_USER_FUNC(UnloadKeyboardLayout);
88 GET_USER_FUNC(Beep);
89 GET_USER_FUNC(InitMouse);
90 GET_USER_FUNC(SetCursor);
91 GET_USER_FUNC(GetCursorPos);
92 GET_USER_FUNC(SetCursorPos);
93 GET_USER_FUNC(GetScreenSaveActive);
94 GET_USER_FUNC(SetScreenSaveActive);
95 GET_USER_FUNC(AcquireClipboard);
96 GET_USER_FUNC(EmptyClipboard);
97 GET_USER_FUNC(SetClipboardData);
98 GET_USER_FUNC(GetClipboardData);
99 GET_USER_FUNC(CountClipboardFormats);
100 GET_USER_FUNC(EnumClipboardFormats);
101 GET_USER_FUNC(IsClipboardFormatAvailable);
102 GET_USER_FUNC(RegisterClipboardFormat);
103 GET_USER_FUNC(GetClipboardFormatName);
104 GET_USER_FUNC(EndClipboardUpdate);
105 GET_USER_FUNC(ResetSelectionOwner);
106 GET_USER_FUNC(ChangeDisplaySettingsExW);
107 GET_USER_FUNC(EnumDisplaySettingsExW);
108 GET_USER_FUNC(CreateWindow);
109 GET_USER_FUNC(DestroyWindow);
110 GET_USER_FUNC(GetDC);
111 GET_USER_FUNC(ForceWindowRaise);
112 GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
113 GET_USER_FUNC(ReleaseDC);
114 GET_USER_FUNC(ScrollWindowEx);
115 GET_USER_FUNC(SetFocus);
116 GET_USER_FUNC(SetParent);
117 GET_USER_FUNC(SetWindowPos);
118 GET_USER_FUNC(SetWindowRgn);
119 GET_USER_FUNC(SetWindowIcon);
120 GET_USER_FUNC(SetWindowStyle);
121 GET_USER_FUNC(SetWindowText);
122 GET_USER_FUNC(ShowWindow);
123 GET_USER_FUNC(SysCommandSizeMove);
125 return TRUE;
129 /***********************************************************************
130 * palette_init
132 * Patch the function pointers in GDI for SelectPalette and RealizePalette
134 static void palette_init(void)
136 void **ptr;
137 HMODULE module = GetModuleHandleA( "gdi32" );
138 if (!module)
140 ERR( "cannot get GDI32 handle\n" );
141 return;
143 if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
144 pfnGDISelectPalette = InterlockedExchangePointer( ptr, SelectPalette );
145 else ERR( "cannot find pfnSelectPalette in GDI32\n" );
146 if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
147 pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
148 else ERR( "cannot find pfnRealizePalette in GDI32\n" );
152 /***********************************************************************
153 * tweak_init
155 static void tweak_init(void)
157 static const char *OS = "Win3.1";
158 char buffer[80];
159 HKEY hkey;
160 DWORD type, count = sizeof(buffer);
162 if (RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Tweak.Layout", &hkey ))
163 return;
164 if (RegQueryValueExA( hkey, "WineLook", 0, &type, buffer, &count ))
165 strcpy( buffer, "Win31" ); /* default value */
166 RegCloseKey( hkey );
168 /* WIN31_LOOK is default */
169 if (!strncasecmp( buffer, "Win95", 5 ))
171 TWEAK_WineLook = WIN95_LOOK;
172 OS = "Win95";
174 else if (!strncasecmp( buffer, "Win98", 5 ))
176 TWEAK_WineLook = WIN98_LOOK;
177 OS = "Win98";
179 TRACE("Using %s look and feel.\n", OS);
183 /***********************************************************************
184 * USER initialisation routine
186 static BOOL process_attach( HINSTANCE inst )
188 HINSTANCE16 instance;
190 /* Create USER heap */
191 if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
192 else
194 USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
195 LocalInit16( USER_HeapSel, 32, 65534 );
198 /* Load the graphics driver */
199 tweak_init();
200 if (!load_driver()) return FALSE;
202 /* Initialize system colors and metrics */
203 SYSMETRICS_Init();
204 SYSCOLOR_Init();
206 /* Setup palette function pointers */
207 palette_init();
209 /* Initialize built-in window classes */
210 CLASS_RegisterBuiltinClasses( inst );
212 /* Initialize menus */
213 if (!MENU_Init()) return FALSE;
215 /* Initialize message spying */
216 if (!SPY_Init()) return FALSE;
218 /* Create message queue of initial thread */
219 InitThreadInput16( 0, 0 );
221 /* Create desktop window */
222 if (!WIN_CreateDesktopWindow()) return FALSE;
224 /* Initialize keyboard driver */
225 if (USER_Driver.pInitKeyboard) USER_Driver.pInitKeyboard( InputKeyStateTable );
227 /* Initialize mouse driver */
228 if (USER_Driver.pInitMouse) USER_Driver.pInitMouse( InputKeyStateTable );
230 return TRUE;
234 /**********************************************************************
235 * USER_IsExitingThread
237 BOOL USER_IsExitingThread( DWORD tid )
239 return (tid == exiting_thread_id);
243 /**********************************************************************
244 * thread_detach
246 static void thread_detach(void)
248 exiting_thread_id = GetCurrentThreadId();
250 WDML_NotifyThreadDetach();
252 TIMER_RemoveThreadTimers();
253 WIN_DestroyThreadWindows( GetDesktopWindow() );
254 QUEUE_DeleteMsgQueue();
256 exiting_thread_id = 0;
260 /***********************************************************************
261 * UserClientDllInitialize (USER32.@)
263 * USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
265 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
267 BOOL ret = TRUE;
268 switch(reason)
270 case DLL_PROCESS_ATTACH:
271 ret = process_attach( inst );
272 break;
273 case DLL_THREAD_DETACH:
274 thread_detach();
275 break;
277 return ret;