/* * WinTab32 library * * Copyright 2003 CodeWeavers, Aric Stewart * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include <stdarg.h> #include "windef.h" #include "winbase.h" #include "winreg.h" #include "wingdi.h" #include "winuser.h" #include "winerror.h" #define NOFIX32 #include "wintab.h" #include "wintab_internal.h" #include "wine/unicode.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(wintab32); HWND hwndDefault = NULL; static const WCHAR WC_TABLETCLASSNAME[] = {'W','i','n','e','T','a','b','l','e','t','C','l','a','s','s',0}; static CRITICAL_SECTION_DEBUG csTablet_debug = { 0, 0, &csTablet, { &csTablet_debug.ProcessLocksList, &csTablet_debug.ProcessLocksList }, 0, 0, { (DWORD_PTR)(__FILE__ ": csTablet") } }; CRITICAL_SECTION csTablet = { &csTablet_debug, -1, 0, 0, 0, 0 }; int (CDECL *pLoadTabletInfo)(HWND hwnddefault) = NULL; int (CDECL *pGetCurrentPacket)(LPWTPACKET packet) = NULL; int (CDECL *pAttachEventQueueToTablet)(HWND hOwner) = NULL; UINT (CDECL *pWTInfoW)(UINT wCategory, UINT nIndex, LPVOID lpOutput) = NULL; static LRESULT WINAPI TABLET_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam); static VOID TABLET_Register(void) { WNDCLASSW wndClass; ZeroMemory(&wndClass, sizeof(WNDCLASSW)); wndClass.style = CS_GLOBALCLASS; wndClass.lpfnWndProc = TABLET_WindowProc; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = 0; wndClass.hCursor = NULL; wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW +1); wndClass.lpszClassName = WC_TABLETCLASSNAME; RegisterClassW(&wndClass); } static VOID TABLET_Unregister(void) { UnregisterClassW(WC_TABLETCLASSNAME, NULL); } static HMODULE load_graphics_driver(void) { static const WCHAR display_device_guid_propW[] = { '_','_','w','i','n','e','_','d','i','s','p','l','a','y','_', 'd','e','v','i','c','e','_','g','u','i','d',0 }; static const WCHAR key_pathW[] = { 'S','y','s','t','e','m','\\', 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\', 'C','o','n','t','r','o','l','\\', 'V','i','d','e','o','\\','{',0}; static const WCHAR displayW[] = {'}','\\','0','0','0','0',0}; static const WCHAR driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0}; HMODULE ret = 0; HKEY hkey; DWORD size; WCHAR path[MAX_PATH]; WCHAR key[(sizeof(key_pathW) + sizeof(displayW)) / sizeof(WCHAR) + 40]; UINT guid_atom = HandleToULong( GetPropW( GetDesktopWindow(), display_device_guid_propW )); if (!guid_atom) return 0; memcpy( key, key_pathW, sizeof(key_pathW) ); if (!GlobalGetAtomNameW( guid_atom, key + strlenW(key), 40 )) return 0; strcatW( key, displayW ); if (RegOpenKeyW( HKEY_LOCAL_MACHINE, key, &hkey )) return 0; size = sizeof(path); if (!RegQueryValueExW( hkey, driverW, NULL, NULL, (BYTE *)path, &size )) ret = LoadLibraryW( path ); RegCloseKey( hkey ); TRACE( "%s %p\n", debugstr_w(path), ret ); return ret; } BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpReserved) { static const WCHAR name[] = {'T','a','b','l','e','t',0}; TRACE("%p, %x, %p\n",hInstDLL,fdwReason,lpReserved); switch (fdwReason) { case DLL_PROCESS_ATTACH: TRACE("Initialization\n"); DisableThreadLibraryCalls(hInstDLL); TABLET_Register(); hwndDefault = CreateWindowW(WC_TABLETCLASSNAME, name, WS_POPUPWINDOW,0,0,0,0,0,0,hInstDLL,0); if (hwndDefault) { HMODULE module = load_graphics_driver(); pLoadTabletInfo = (void *)GetProcAddress(module, "LoadTabletInfo"); pAttachEventQueueToTablet = (void *)GetProcAddress(module, "AttachEventQueueToTablet"); pGetCurrentPacket = (void *)GetProcAddress(module, "GetCurrentPacket"); pWTInfoW = (void *)GetProcAddress(module, "WTInfoW"); } else return FALSE; break; case DLL_PROCESS_DETACH: if (lpReserved) break; TRACE("Detaching\n"); if (hwndDefault) DestroyWindow(hwndDefault); TABLET_Unregister(); DeleteCriticalSection(&csTablet); break; } return TRUE; } /* * The window proc for the default TABLET window */ static LRESULT WINAPI TABLET_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { TRACE("Incoming Message 0x%x (0x%08x, 0x%08x)\n", uMsg, (UINT)wParam, (UINT)lParam); switch(uMsg) { case WM_NCCREATE: return TRUE; case WT_PACKET: { WTPACKET packet; LPOPENCONTEXT handler; if (pGetCurrentPacket) { pGetCurrentPacket(&packet); handler = AddPacketToContextQueue(&packet,(HWND)lParam); if (handler && handler->context.lcOptions & CXO_MESSAGES) TABLET_PostTabletMessage(handler, _WT_PACKET(handler->context.lcMsgBase), (WPARAM)packet.pkSerialNumber, (LPARAM)handler->handle, FALSE); } break; } case WT_PROXIMITY: { WTPACKET packet; LPOPENCONTEXT handler; if (pGetCurrentPacket) { pGetCurrentPacket(&packet); handler = AddPacketToContextQueue(&packet,(HWND)wParam); if (handler) TABLET_PostTabletMessage(handler, WT_PROXIMITY, (WPARAM)handler->handle, lParam, TRUE); } break; } } return 0; }