| /* |
| * 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 <stdio.h> |
| |
| #define OEMRESOURCE |
| |
| #include <windows.h> |
| #include <wine/debug.h> |
| #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 %x 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; |
| } |
| |
| /* 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_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 ); |
| } |