dlls/riched32/richedit.c

   1 /*
   2  * RichEdit32  functions
   3  *
   4  * This module is a simple wrapper for the RichEdit 2.0 control
   5  *
   6  * Copyright 2000 by Jean-Claude Batista
   7  * Copyright 2005 Mike McCormack
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "wingdi.h"
  29 #include "winreg.h"
  30 #include "winerror.h"
  31 #include "winuser.h"
  32 #include "richedit.h"
  33 #include "shlwapi.h"
  34
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
  38
  39 /* Window procedure of the RichEdit 1.0 control in riched20.dll */
  40 extern LRESULT WINAPI RichEdit10ANSIWndProc(HWND, UINT, WPARAM, LPARAM);
  41
  42
  43 /* Unregisters the window class. */
  44 static BOOL RICHED32_Unregister(void)
  45 {
  46     TRACE("\n");
  47
  48     UnregisterClassA(RICHEDIT_CLASS10A, NULL);
  49     return TRUE;
  50 }
  51
  52
  53 /* Registers the window class. */
  54 static BOOL RICHED32_Register(void)
  55 {
  56     WNDCLASSA wndClass;
  57
  58     ZeroMemory(&wndClass, sizeof(WNDCLASSA));
  59     wndClass.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
  60     wndClass.lpfnWndProc = RichEdit10ANSIWndProc;
  61     wndClass.cbClsExtra = 0;
  62     wndClass.cbWndExtra = 4;
  63     wndClass.hCursor = LoadCursorA(0, (LPSTR)IDC_ARROW);
  64     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
  65     wndClass.lpszClassName = RICHEDIT_CLASS10A; /* WC_RICHED32A; */
  66
  67     RegisterClassA(&wndClass);
  68
  69     return TRUE;
  70 }
  71
  72 /* Initialization function */
  73 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  74 {
  75     TRACE("\n");
  76     switch (fdwReason)
  77     {
  78     case DLL_PROCESS_ATTACH:
  79         DisableThreadLibraryCalls(hinstDLL);
  80         return RICHED32_Register();
  81
  82     case DLL_PROCESS_DETACH:
  83         return RICHED32_Unregister();
  84     }
  85     return TRUE;
  86 }
  87
  88 /***********************************************************************
  89  * DllGetVersion [RICHED32.2]
  90  *
  91  * Retrieves version information
  92  */
  93 HRESULT WINAPI DllGetVersion (DLLVERSIONINFO *pdvi)
  94 {
  95     TRACE("\n");
  96
  97     if (pdvi->cbSize != sizeof(DLLVERSIONINFO))
  98         return E_INVALIDARG;
  99
 100     pdvi->dwMajorVersion = 4;
 101     pdvi->dwMinorVersion = 0;
 102     pdvi->dwBuildNumber = 0;
 103     pdvi->dwPlatformID = 0;
 104
 105     return S_OK;
 106 }