/* * Explorer desktop support * * Copyright 2006 Alexandre Julliard * * 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 #define OEMRESOURCE #include #include #include "explorer_private.h" WINE_DEFAULT_DEBUG_CHANNEL(explorer); #define DESKTOP_CLASS_ATOM ((LPCWSTR)MAKEINTATOM(32769)) #define DESKTOP_ALL_ACCESS 0x01ff extern HANDLE __wine_make_process_system(void); static BOOL using_root; /* window procedure for the desktop window */ static LRESULT WINAPI desktop_wnd_proc( HWND hwnd, UINT message, WPARAM wp, LPARAM lp ) { WINE_TRACE( "got msg %04x wp %lx lp %lx\n", message, wp, lp ); switch(message) { case WM_SYSCOMMAND: if ((wp & 0xfff0) == SC_CLOSE) ExitWindows( 0, 0 ); return 0; case WM_CLOSE: PostQuitMessage(0); return 0; case WM_SETCURSOR: return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_ARROW ) ); case WM_NCHITTEST: return HTCLIENT; case WM_ERASEBKGND: if (!using_root) PaintDesktop( (HDC)wp ); return TRUE; case WM_PAINT: { PAINTSTRUCT ps; BeginPaint( hwnd, &ps ); if (!using_root && ps.fErase) PaintDesktop( ps.hdc ); EndPaint( hwnd, &ps ); } return 0; default: return DefWindowProcW( hwnd, message, wp, lp ); } } /* create the desktop and the associated X11 window, and make it the current desktop */ static unsigned long create_desktop( const char *name, unsigned int width, unsigned int height ) { HMODULE x11drv = GetModuleHandleA( "winex11.drv" ); HDESK desktop; unsigned long xwin = 0; unsigned long (*create_desktop_func)(unsigned int, unsigned int); desktop = CreateDesktopA( name, NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL ); if (!desktop) { WINE_ERR( "failed to create desktop %s error %d\n", wine_dbgstr_a(name), GetLastError() ); ExitProcess( 1 ); } /* magic: desktop "root" means use the X11 root window */ if (x11drv && strcasecmp( name, "root" )) { create_desktop_func = (void *)GetProcAddress( x11drv, "wine_create_desktop" ); if (create_desktop_func) xwin = create_desktop_func( width, height ); } SetThreadDesktop( desktop ); return xwin; } /* retrieve the default desktop size from the X11 driver config */ /* FIXME: this is for backwards compatibility, should probably be changed */ static BOOL get_default_desktop_size( unsigned int *width, unsigned int *height ) { HKEY hkey; char buffer[64]; DWORD size = sizeof(buffer); BOOL ret = FALSE; /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */ if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey )) return FALSE; if (!RegQueryValueExA( hkey, "Desktop", 0, NULL, (LPBYTE)buffer, &size )) ret = (sscanf( buffer, "%ux%u", width, height ) == 2); RegCloseKey( hkey ); return ret; } static void initialize_display_settings( HWND desktop ) { 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 }; GUID guid; RPC_CSTR guid_str; ATOM guid_atom; DEVMODEW dmW; UuidCreate( &guid ); UuidToStringA( &guid, &guid_str ); WINE_TRACE( "display guid %s\n", guid_str ); guid_atom = GlobalAddAtomA( (LPCSTR)guid_str ); SetPropW( desktop, display_device_guid_propW, ULongToHandle(guid_atom) ); RpcStringFreeA( &guid_str ); /* Store current display mode in the registry */ if (EnumDisplaySettingsExW( NULL, ENUM_CURRENT_SETTINGS, &dmW, 0 )) { WINE_TRACE( "Current display mode %ux%u %u bpp %u Hz\n", dmW.dmPelsWidth, dmW.dmPelsHeight, dmW.dmBitsPerPel, dmW.dmDisplayFrequency ); ChangeDisplaySettingsExW( NULL, &dmW, 0, CDS_GLOBAL | CDS_NORESET | CDS_UPDATEREGISTRY, NULL ); } } /* main desktop management function */ void manage_desktop( char *arg ) { MSG msg; HWND hwnd; unsigned long xwin = 0; unsigned int width, height; char *cmdline = NULL; char *p = arg; static const WCHAR desktop_nameW[] = {'W','i','n','e',' ','d','e','s','k','t','o','p',0}; /* get the rest of the command line (if any) */ while (*p && !isspace(*p)) p++; if (*p) { *p++ = 0; while (*p && isspace(*p)) p++; if (*p) cmdline = p; } /* parse the desktop option */ /* the option is of the form /desktop=name[,widthxheight] */ if (*arg == '=' || *arg == ',') { arg++; if ((p = strchr( arg, ',' ))) *p++ = 0; if (!p || sscanf( p, "%ux%u", &width, &height ) != 2) { width = 800; height = 600; } xwin = create_desktop( arg, width, height ); } else if (get_default_desktop_size( &width, &height )) { xwin = create_desktop( "Default", width, height ); } if (!xwin) /* using the root window */ { using_root = TRUE; width = GetSystemMetrics(SM_CXSCREEN); height = GetSystemMetrics(SM_CYSCREEN); } /* create the desktop window */ hwnd = CreateWindowExW( 0, DESKTOP_CLASS_ATOM, NULL, WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 0, 0, width, height, 0, 0, 0, NULL ); if (hwnd == GetDesktopWindow()) { SetWindowLongPtrW( hwnd, GWLP_WNDPROC, (LONG_PTR)desktop_wnd_proc ); SendMessageW( hwnd, WM_SETICON, ICON_BIG, (LPARAM)LoadIconW( 0, MAKEINTRESOURCEW(OIC_WINLOGO))); SetWindowTextW( hwnd, desktop_nameW ); SystemParametersInfoA( SPI_SETDESKPATTERN, -1, NULL, FALSE ); SetDeskWallPaper( (LPSTR)-1 ); initialize_display_settings( hwnd ); initialize_diskarbitration(); initialize_hal(); initialize_systray(); } else { DestroyWindow( hwnd ); /* someone beat us to it */ hwnd = 0; } /* if we have a command line, execute it */ if (cmdline) { STARTUPINFOA si; PROCESS_INFORMATION pi; memset( &si, 0, sizeof(si) ); si.cb = sizeof(si); WINE_TRACE( "starting %s\n", wine_dbgstr_a(cmdline) ); if (CreateProcessA( NULL, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi )) { CloseHandle( pi.hThread ); CloseHandle( pi.hProcess ); } } /* run the desktop message loop */ if (hwnd) { /* we don't use the system process event, the server * posts a WM_CLOSE when the last desktop user is gone */ CloseHandle( __wine_make_process_system() ); WINE_TRACE( "desktop message loop starting on hwnd %p\n", hwnd ); while (GetMessageW( &msg, 0, 0, 0 )) DispatchMessageW( &msg ); WINE_TRACE( "desktop message loop exiting for hwnd %p\n", hwnd ); } ExitProcess( 0 ); }