mirror of
git://source.winehq.org/git/wine.git
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337 lines
11 KiB
C
337 lines
11 KiB
C
/*
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* Explorer desktop support
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*
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* Copyright 2006 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdio.h>
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#include "wine/unicode.h"
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#define OEMRESOURCE
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#include <windows.h>
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#include <wine/debug.h>
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#include "explorer_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(explorer);
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#define DESKTOP_CLASS_ATOM ((LPCWSTR)MAKEINTATOM(32769))
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#define DESKTOP_ALL_ACCESS 0x01ff
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static BOOL using_root;
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/* window procedure for the desktop window */
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static LRESULT WINAPI desktop_wnd_proc( HWND hwnd, UINT message, WPARAM wp, LPARAM lp )
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{
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WINE_TRACE( "got msg %04x wp %lx lp %lx\n", message, wp, lp );
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switch(message)
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{
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case WM_SYSCOMMAND:
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if ((wp & 0xfff0) == SC_CLOSE) ExitWindows( 0, 0 );
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return 0;
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case WM_CLOSE:
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PostQuitMessage(0);
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return 0;
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case WM_SETCURSOR:
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return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_ARROW ) );
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case WM_NCHITTEST:
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return HTCLIENT;
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case WM_ERASEBKGND:
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if (!using_root) PaintDesktop( (HDC)wp );
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return TRUE;
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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BeginPaint( hwnd, &ps );
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if (!using_root && ps.fErase) PaintDesktop( ps.hdc );
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EndPaint( hwnd, &ps );
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}
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return 0;
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default:
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return DefWindowProcW( hwnd, message, wp, lp );
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}
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}
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/* create the desktop and the associated X11 window, and make it the current desktop */
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static unsigned long create_desktop( const WCHAR *name, unsigned int width, unsigned int height )
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{
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static const WCHAR rootW[] = {'r','o','o','t',0};
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HMODULE x11drv = GetModuleHandleA( "winex11.drv" );
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HDESK desktop;
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unsigned long xwin = 0;
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unsigned long (*create_desktop_func)(unsigned int, unsigned int);
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desktop = CreateDesktopW( name, NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
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if (!desktop)
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{
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WINE_ERR( "failed to create desktop %s error %d\n", wine_dbgstr_w(name), GetLastError() );
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ExitProcess( 1 );
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}
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/* magic: desktop "root" means use the X11 root window */
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if (x11drv && strcmpiW( name, rootW ))
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{
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create_desktop_func = (void *)GetProcAddress( x11drv, "wine_create_desktop" );
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if (create_desktop_func) xwin = create_desktop_func( width, height );
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}
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SetThreadDesktop( desktop );
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return xwin;
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}
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/* parse the desktop size specification */
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static BOOL parse_size( const WCHAR *size, unsigned int *width, unsigned int *height )
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{
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WCHAR *end;
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*width = strtoulW( size, &end, 10 );
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if (end == size) return FALSE;
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if (*end != 'x') return FALSE;
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size = end + 1;
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*height = strtoulW( size, &end, 10 );
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return !*end;
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}
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/* retrieve the desktop name to use if not specified on the command line */
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static const WCHAR *get_default_desktop_name(void)
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{
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static const WCHAR desktopW[] = {'D','e','s','k','t','o','p',0};
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static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',0};
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static const WCHAR explorer_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
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'E','x','p','l','o','r','e','r',0};
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static WCHAR buffer[MAX_PATH];
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DWORD size = sizeof(buffer);
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HDESK desk = GetThreadDesktop( GetCurrentThreadId() );
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WCHAR *ret = NULL;
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HKEY hkey;
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if (desk && GetUserObjectInformationW( desk, UOI_NAME, buffer, sizeof(buffer)/sizeof(WCHAR), NULL ))
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{
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if (strcmpiW( buffer, defaultW )) return buffer;
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}
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/* @@ Wine registry key: HKCU\Software\Wine\Explorer */
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if (!RegOpenKeyW( HKEY_CURRENT_USER, explorer_keyW, &hkey ))
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{
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if (!RegQueryValueExW( hkey, desktopW, 0, NULL, (LPBYTE)buffer, &size )) ret = buffer;
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RegCloseKey( hkey );
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}
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return ret;
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}
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/* retrieve the default desktop size from the registry */
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static BOOL get_default_desktop_size( const WCHAR *name, unsigned int *width, unsigned int *height )
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{
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static const WCHAR desktop_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
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'E','x','p','l','o','r','e','r','\\',
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'D','e','s','k','t','o','p','s',0};
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HKEY hkey;
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WCHAR buffer[64];
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DWORD size = sizeof(buffer);
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BOOL found = FALSE;
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*width = 800;
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*height = 600;
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/* @@ Wine registry key: HKCU\Software\Wine\Explorer\Desktops */
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if (!RegOpenKeyW( HKEY_CURRENT_USER, desktop_keyW, &hkey ))
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{
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if (!RegQueryValueExW( hkey, name, 0, NULL, (LPBYTE)buffer, &size ))
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{
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found = TRUE;
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if (!parse_size( buffer, width, height )) *width = *height = 0;
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}
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RegCloseKey( hkey );
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}
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return found;
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}
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static void initialize_display_settings( HWND desktop )
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{
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static const WCHAR display_device_guid_propW[] = {
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'_','_','w','i','n','e','_','d','i','s','p','l','a','y','_',
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'd','e','v','i','c','e','_','g','u','i','d',0 };
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GUID guid;
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RPC_CSTR guid_str;
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ATOM guid_atom;
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DEVMODEW dmW;
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UuidCreate( &guid );
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UuidToStringA( &guid, &guid_str );
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WINE_TRACE( "display guid %s\n", guid_str );
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guid_atom = GlobalAddAtomA( (LPCSTR)guid_str );
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SetPropW( desktop, display_device_guid_propW, ULongToHandle(guid_atom) );
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RpcStringFreeA( &guid_str );
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/* Store current display mode in the registry */
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if (EnumDisplaySettingsExW( NULL, ENUM_CURRENT_SETTINGS, &dmW, 0 ))
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{
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WINE_TRACE( "Current display mode %ux%u %u bpp %u Hz\n", dmW.dmPelsWidth,
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dmW.dmPelsHeight, dmW.dmBitsPerPel, dmW.dmDisplayFrequency );
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ChangeDisplaySettingsExW( NULL, &dmW, 0,
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CDS_GLOBAL | CDS_NORESET | CDS_UPDATEREGISTRY,
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NULL );
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}
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}
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static void set_desktop_window_title( HWND hwnd, const WCHAR *name )
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{
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static const WCHAR desktop_nameW[] = {'W','i','n','e',' ','d','e','s','k','t','o','p',0};
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static const WCHAR desktop_name_separatorW[] = {' ', '-', ' ', 0};
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WCHAR *window_titleW = NULL;
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int window_title_len;
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if (!name[0])
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{
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SetWindowTextW( hwnd, desktop_nameW );
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return;
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}
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window_title_len = strlenW(name) * sizeof(WCHAR)
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+ sizeof(desktop_name_separatorW)
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+ sizeof(desktop_nameW);
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window_titleW = HeapAlloc( GetProcessHeap(), 0, window_title_len );
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if (!window_titleW)
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{
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SetWindowTextW( hwnd, desktop_nameW );
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return;
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}
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strcpyW( window_titleW, name );
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strcatW( window_titleW, desktop_name_separatorW );
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strcatW( window_titleW, desktop_nameW );
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SetWindowTextW( hwnd, window_titleW );
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HeapFree( GetProcessHeap(), 0, window_titleW );
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}
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/* main desktop management function */
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void manage_desktop( WCHAR *arg )
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{
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static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',0};
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MSG msg;
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HWND hwnd;
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unsigned long xwin = 0;
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unsigned int width, height;
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WCHAR *cmdline = NULL;
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WCHAR *p = arg;
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const WCHAR *name = NULL;
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/* get the rest of the command line (if any) */
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while (*p && !isspace(*p)) p++;
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if (*p)
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{
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*p++ = 0;
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while (*p && isspace(*p)) p++;
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if (*p) cmdline = p;
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}
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/* parse the desktop option */
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/* the option is of the form /desktop=name[,widthxheight] */
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if (*arg == '=' || *arg == ',')
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{
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arg++;
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name = arg;
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if ((p = strchrW( arg, ',' ))) *p++ = 0;
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if (!p || !parse_size( p, &width, &height ))
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get_default_desktop_size( name, &width, &height );
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}
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else if ((name = get_default_desktop_name()))
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{
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if (!get_default_desktop_size( name, &width, &height )) width = height = 0;
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}
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else /* check for the X11 driver key for backwards compatibility (to be removed) */
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{
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static const WCHAR desktopW[] = {'D','e','s','k','t','o','p',0};
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static const WCHAR x11_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
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'X','1','1',' ','D','r','i','v','e','r',0};
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HKEY hkey;
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WCHAR buffer[64];
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DWORD size = sizeof(buffer);
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width = height = 0;
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/* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
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if (!RegOpenKeyW( HKEY_CURRENT_USER, x11_keyW, &hkey ))
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{
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if (!RegQueryValueExW( hkey, desktopW, 0, NULL, (LPBYTE)buffer, &size ))
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{
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name = defaultW;
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if (!parse_size( buffer, &width, &height )) width = height = 0;
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}
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RegCloseKey( hkey );
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}
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}
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if (name && width && height) xwin = create_desktop( name, width, height );
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if (!xwin) using_root = TRUE; /* using the root window */
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/* create the desktop window */
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hwnd = CreateWindowExW( 0, DESKTOP_CLASS_ATOM, NULL,
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WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
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GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN),
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GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN),
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0, 0, 0, NULL );
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if (hwnd == GetDesktopWindow())
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{
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SetWindowLongPtrW( hwnd, GWLP_WNDPROC, (LONG_PTR)desktop_wnd_proc );
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SendMessageW( hwnd, WM_SETICON, ICON_BIG, (LPARAM)LoadIconW( 0, MAKEINTRESOURCEW(OIC_WINLOGO)));
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if (name) set_desktop_window_title( hwnd, name );
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SystemParametersInfoA( SPI_SETDESKPATTERN, -1, NULL, FALSE );
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SetDeskWallPaper( (LPSTR)-1 );
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initialize_display_settings( hwnd );
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initialize_systray();
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}
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else
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{
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DestroyWindow( hwnd ); /* someone beat us to it */
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hwnd = 0;
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}
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/* if we have a command line, execute it */
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if (cmdline)
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{
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STARTUPINFOW si;
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PROCESS_INFORMATION pi;
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memset( &si, 0, sizeof(si) );
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si.cb = sizeof(si);
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WINE_TRACE( "starting %s\n", wine_dbgstr_w(cmdline) );
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if (CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi ))
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{
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CloseHandle( pi.hThread );
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CloseHandle( pi.hProcess );
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}
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}
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/* run the desktop message loop */
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if (hwnd)
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{
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WINE_TRACE( "desktop message loop starting on hwnd %p\n", hwnd );
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while (GetMessageW( &msg, 0, 0, 0 )) DispatchMessageW( &msg );
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WINE_TRACE( "desktop message loop exiting for hwnd %p\n", hwnd );
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}
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ExitProcess( 0 );
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}
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