mirrored from git://source.winehq.org/git/wine.git
/
desktop.c
2186 lines (1865 loc) · 65.5 KB
/
desktop.c
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/*
* Explorer desktop support
*
* Copyright 2006 Alexandre Julliard
* Copyright 2013 Hans Leidekker for CodeWeavers
*
* 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 "config.h"
#include "wine/port.h"
#include <stdio.h>
#define COBJMACROS
#define OEMRESOURCE
#include <windows.h>
#include <rpc.h>
#include <shlobj.h>
#include <shellapi.h>
#include "exdisp.h"
#include "wine/unicode.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
#ifdef __APPLE__
static const WCHAR default_driver[] = {'m','a','c',',','x','1','1',0};
#else
static const WCHAR default_driver[] = {'x','1','1',0};
#endif
static BOOL using_root;
struct launcher
{
WCHAR *path;
HICON icon;
WCHAR *title;
};
static WCHAR *desktop_folder;
static WCHAR *desktop_folder_public;
static int icon_cx, icon_cy, icon_offset_cx, icon_offset_cy;
static int title_cx, title_cy, title_offset_cx, title_offset_cy;
static int desktop_width, launcher_size, launchers_per_row;
static struct launcher **launchers;
static unsigned int nb_launchers, nb_allocated;
static REFIID tid_ids[] =
{
&IID_IShellWindows,
&IID_IWebBrowser2
};
typedef enum
{
IShellWindows_tid,
IWebBrowser2_tid,
LAST_tid
} tid_t;
static ITypeLib *typelib;
static ITypeInfo *typeinfos[LAST_tid];
static HRESULT load_typelib(void)
{
HRESULT hres;
ITypeLib *tl;
hres = LoadRegTypeLib(&LIBID_SHDocVw, 1, 0, LOCALE_SYSTEM_DEFAULT, &tl);
if (FAILED(hres))
{
ERR("LoadRegTypeLib failed: %08x\n", hres);
return hres;
}
if (InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
ITypeLib_Release(tl);
return hres;
}
static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
{
HRESULT hres;
if (!typelib)
hres = load_typelib();
if (!typelib)
return hres;
if (!typeinfos[tid]) {
ITypeInfo *ti;
hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
if (FAILED(hres)) {
ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
return hres;
}
if (InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
ITypeInfo_Release(ti);
}
*typeinfo = typeinfos[tid];
ITypeInfo_AddRef(*typeinfo);
return S_OK;
}
struct shellwindows
{
IShellWindows IShellWindows_iface;
};
/* This is not limited to desktop itself, every file browser window that
explorer creates supports that. Desktop instance is special in some
aspects, for example navigation is not possible, you can't show/hide it,
or bring up a menu. CLSID_ShellBrowserWindow class could be used to
create instances like that, and they should be registered with
IShellWindows as well. */
struct shellbrowserwindow
{
IWebBrowser2 IWebBrowser2_iface;
IServiceProvider IServiceProvider_iface;
IShellBrowser IShellBrowser_iface;
IShellView *view;
};
static struct shellwindows shellwindows;
static struct shellbrowserwindow desktopshellbrowserwindow;
static inline struct shellwindows *impl_from_IShellWindows(IShellWindows *iface)
{
return CONTAINING_RECORD(iface, struct shellwindows, IShellWindows_iface);
}
static inline struct shellbrowserwindow *impl_from_IWebBrowser2(IWebBrowser2 *iface)
{
return CONTAINING_RECORD(iface, struct shellbrowserwindow, IWebBrowser2_iface);
}
static inline struct shellbrowserwindow *impl_from_IServiceProvider(IServiceProvider *iface)
{
return CONTAINING_RECORD(iface, struct shellbrowserwindow, IServiceProvider_iface);
}
static inline struct shellbrowserwindow *impl_from_IShellBrowser(IShellBrowser *iface)
{
return CONTAINING_RECORD(iface, struct shellbrowserwindow, IShellBrowser_iface);
}
static void shellwindows_init(void);
static void desktopshellbrowserwindow_init(void);
static RECT get_icon_rect( unsigned int index )
{
RECT rect;
unsigned int row = index / launchers_per_row;
unsigned int col = index % launchers_per_row;
rect.left = col * launcher_size + icon_offset_cx;
rect.right = rect.left + icon_cx;
rect.top = row * launcher_size + icon_offset_cy;
rect.bottom = rect.top + icon_cy;
return rect;
}
static RECT get_title_rect( unsigned int index )
{
RECT rect;
unsigned int row = index / launchers_per_row;
unsigned int col = index % launchers_per_row;
rect.left = col * launcher_size + title_offset_cx;
rect.right = rect.left + title_cx;
rect.top = row * launcher_size + title_offset_cy;
rect.bottom = rect.top + title_cy;
return rect;
}
static const struct launcher *launcher_from_point( int x, int y )
{
RECT icon, title;
unsigned int index;
if (!nb_launchers) return NULL;
index = x / launcher_size + (y / launcher_size) * launchers_per_row;
if (index >= nb_launchers) return NULL;
icon = get_icon_rect( index );
title = get_title_rect( index );
if ((x < icon.left || x > icon.right || y < icon.top || y > icon.bottom) &&
(x < title.left || x > title.right || y < title.top || y > title.bottom)) return NULL;
return launchers[index];
}
static void draw_launchers( HDC hdc, RECT update_rect )
{
COLORREF color = SetTextColor( hdc, RGB(255,255,255) ); /* FIXME: depends on background color */
int mode = SetBkMode( hdc, TRANSPARENT );
unsigned int i;
LOGFONTW lf;
HFONT font;
SystemParametersInfoW( SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, 0 );
font = SelectObject( hdc, CreateFontIndirectW( &lf ) );
for (i = 0; i < nb_launchers; i++)
{
RECT dummy, icon = get_icon_rect( i ), title = get_title_rect( i );
if (IntersectRect( &dummy, &icon, &update_rect ))
DrawIconEx( hdc, icon.left, icon.top, launchers[i]->icon, icon_cx, icon_cy,
0, 0, DI_DEFAULTSIZE|DI_NORMAL );
if (IntersectRect( &dummy, &title, &update_rect ))
DrawTextW( hdc, launchers[i]->title, -1, &title,
DT_CENTER|DT_WORDBREAK|DT_EDITCONTROL|DT_END_ELLIPSIS );
}
SelectObject( hdc, font );
SetTextColor( hdc, color );
SetBkMode( hdc, mode );
}
static void do_launch( const struct launcher *launcher )
{
static const WCHAR openW[] = {'o','p','e','n',0};
ShellExecuteW( NULL, openW, launcher->path, NULL, NULL, 0 );
}
static WCHAR *append_path( const WCHAR *path, const WCHAR *filename, int len_filename )
{
int len_path = strlenW( path );
WCHAR *ret;
if (len_filename == -1) len_filename = strlenW( filename );
if (!(ret = HeapAlloc( GetProcessHeap(), 0, (len_path + len_filename + 2) * sizeof(WCHAR) )))
return NULL;
memcpy( ret, path, len_path * sizeof(WCHAR) );
ret[len_path] = '\\';
memcpy( ret + len_path + 1, filename, len_filename * sizeof(WCHAR) );
ret[len_path + 1 + len_filename] = 0;
return ret;
}
static IShellLinkW *load_shelllink( const WCHAR *path )
{
HRESULT hr;
IShellLinkW *link;
IPersistFile *file;
hr = CoCreateInstance( &CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, &IID_IShellLinkW,
(void **)&link );
if (FAILED( hr )) return NULL;
hr = IShellLinkW_QueryInterface( link, &IID_IPersistFile, (void **)&file );
if (FAILED( hr ))
{
IShellLinkW_Release( link );
return NULL;
}
hr = IPersistFile_Load( file, path, 0 );
IPersistFile_Release( file );
if (FAILED( hr ))
{
IShellLinkW_Release( link );
return NULL;
}
return link;
}
static HICON extract_icon( IShellLinkW *link )
{
WCHAR tmp_path[MAX_PATH], icon_path[MAX_PATH], target_path[MAX_PATH];
HICON icon = NULL;
int index;
tmp_path[0] = 0;
IShellLinkW_GetIconLocation( link, tmp_path, MAX_PATH, &index );
ExpandEnvironmentStringsW( tmp_path, icon_path, MAX_PATH );
if (icon_path[0]) ExtractIconExW( icon_path, index, &icon, NULL, 1 );
if (!icon)
{
tmp_path[0] = 0;
IShellLinkW_GetPath( link, tmp_path, MAX_PATH, NULL, SLGP_RAWPATH );
ExpandEnvironmentStringsW( tmp_path, target_path, MAX_PATH );
ExtractIconExW( target_path, index, &icon, NULL, 1 );
}
return icon;
}
static WCHAR *build_title( const WCHAR *filename, int len )
{
const WCHAR *p;
WCHAR *ret;
if (len == -1) len = strlenW( filename );
for (p = filename + len - 1; p >= filename; p--)
{
if (*p == '.')
{
len = p - filename;
break;
}
}
if (!(ret = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return NULL;
memcpy( ret, filename, len * sizeof(WCHAR) );
ret[len] = 0;
return ret;
}
static BOOL add_launcher( const WCHAR *folder, const WCHAR *filename, int len_filename )
{
struct launcher *launcher;
IShellLinkW *link;
if (nb_launchers == nb_allocated)
{
unsigned int count = nb_allocated * 2;
struct launcher **tmp = HeapReAlloc( GetProcessHeap(), 0, launchers, count * sizeof(*tmp) );
if (!tmp) return FALSE;
launchers = tmp;
nb_allocated = count;
}
if (!(launcher = HeapAlloc( GetProcessHeap(), 0, sizeof(*launcher) ))) return FALSE;
if (!(launcher->path = append_path( folder, filename, len_filename ))) goto error;
if (!(link = load_shelllink( launcher->path ))) goto error;
launcher->icon = extract_icon( link );
launcher->title = build_title( filename, len_filename );
IShellLinkW_Release( link );
if (launcher->icon && launcher->title)
{
launchers[nb_launchers++] = launcher;
return TRUE;
}
HeapFree( GetProcessHeap(), 0, launcher->title );
DestroyIcon( launcher->icon );
error:
HeapFree( GetProcessHeap(), 0, launcher->path );
HeapFree( GetProcessHeap(), 0, launcher );
return FALSE;
}
static void free_launcher( struct launcher *launcher )
{
DestroyIcon( launcher->icon );
HeapFree( GetProcessHeap(), 0, launcher->path );
HeapFree( GetProcessHeap(), 0, launcher->title );
HeapFree( GetProcessHeap(), 0, launcher );
}
static BOOL remove_launcher( const WCHAR *folder, const WCHAR *filename, int len_filename )
{
UINT i;
WCHAR *path;
BOOL ret = FALSE;
if (!(path = append_path( folder, filename, len_filename ))) return FALSE;
for (i = 0; i < nb_launchers; i++)
{
if (!strcmpiW( launchers[i]->path, path ))
{
free_launcher( launchers[i] );
if (--nb_launchers)
memmove( &launchers[i], &launchers[i + 1], sizeof(launchers[i]) * (nb_launchers - i) );
ret = TRUE;
break;
}
}
HeapFree( GetProcessHeap(), 0, path );
return ret;
}
static BOOL get_icon_text_metrics( HWND hwnd, TEXTMETRICW *tm )
{
BOOL ret;
HDC hdc;
LOGFONTW lf;
HFONT hfont;
hdc = GetDC( hwnd );
SystemParametersInfoW( SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, 0 );
hfont = SelectObject( hdc, CreateFontIndirectW( &lf ) );
ret = GetTextMetricsW( hdc, tm );
SelectObject( hdc, hfont );
ReleaseDC( hwnd, hdc );
return ret;
}
static BOOL process_changes( const WCHAR *folder, char *buf )
{
FILE_NOTIFY_INFORMATION *info = (FILE_NOTIFY_INFORMATION *)buf;
BOOL ret = FALSE;
for (;;)
{
switch (info->Action)
{
case FILE_ACTION_ADDED:
case FILE_ACTION_RENAMED_NEW_NAME:
if (add_launcher( folder, info->FileName, info->FileNameLength / sizeof(WCHAR) ))
ret = TRUE;
break;
case FILE_ACTION_REMOVED:
case FILE_ACTION_RENAMED_OLD_NAME:
if (remove_launcher( folder, info->FileName, info->FileNameLength / sizeof(WCHAR) ))
ret = TRUE;
break;
default:
WARN( "unexpected action %u\n", info->Action );
break;
}
if (!info->NextEntryOffset) break;
info = (FILE_NOTIFY_INFORMATION *)((char *)info + info->NextEntryOffset);
}
return ret;
}
static DWORD CALLBACK watch_desktop_folders( LPVOID param )
{
HWND hwnd = param;
HRESULT init = CoInitialize( NULL );
HANDLE dir0, dir1, events[2];
OVERLAPPED ovl0, ovl1;
char *buf0 = NULL, *buf1 = NULL;
DWORD count, size = 4096, error = ERROR_OUTOFMEMORY;
BOOL ret, redraw;
dir0 = CreateFileW( desktop_folder, FILE_LIST_DIRECTORY|SYNCHRONIZE, FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS|FILE_FLAG_OVERLAPPED, NULL );
if (dir0 == INVALID_HANDLE_VALUE) return GetLastError();
dir1 = CreateFileW( desktop_folder_public, FILE_LIST_DIRECTORY|SYNCHRONIZE, FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS|FILE_FLAG_OVERLAPPED, NULL );
if (dir1 == INVALID_HANDLE_VALUE)
{
CloseHandle( dir0 );
return GetLastError();
}
if (!(ovl0.hEvent = events[0] = CreateEventW( NULL, FALSE, FALSE, NULL ))) goto error;
if (!(ovl1.hEvent = events[1] = CreateEventW( NULL, FALSE, FALSE, NULL ))) goto error;
if (!(buf0 = HeapAlloc( GetProcessHeap(), 0, size ))) goto error;
if (!(buf1 = HeapAlloc( GetProcessHeap(), 0, size ))) goto error;
for (;;)
{
ret = ReadDirectoryChangesW( dir0, buf0, size, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ovl0, NULL );
if (!ret)
{
error = GetLastError();
goto error;
}
ret = ReadDirectoryChangesW( dir1, buf1, size, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ovl1, NULL );
if (!ret)
{
error = GetLastError();
goto error;
}
redraw = FALSE;
switch ((error = WaitForMultipleObjects( 2, events, FALSE, INFINITE )))
{
case WAIT_OBJECT_0:
if (!GetOverlappedResult( dir0, &ovl0, &count, FALSE ) || !count) break;
if (process_changes( desktop_folder, buf0 )) redraw = TRUE;
break;
case WAIT_OBJECT_0 + 1:
if (!GetOverlappedResult( dir1, &ovl1, &count, FALSE ) || !count) break;
if (process_changes( desktop_folder_public, buf1 )) redraw = TRUE;
break;
default:
goto error;
}
if (redraw) InvalidateRect( hwnd, NULL, TRUE );
}
error:
CloseHandle( dir0 );
CloseHandle( dir1 );
CloseHandle( events[0] );
CloseHandle( events[1] );
HeapFree( GetProcessHeap(), 0, buf0 );
HeapFree( GetProcessHeap(), 0, buf1 );
if (SUCCEEDED( init )) CoUninitialize();
return error;
}
static void add_folder( const WCHAR *folder )
{
static const WCHAR lnkW[] = {'\\','*','.','l','n','k',0};
int len = strlenW( folder ) + strlenW( lnkW );
WIN32_FIND_DATAW data;
HANDLE handle;
WCHAR *glob;
if (!(glob = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return;
strcpyW( glob, folder );
strcatW( glob, lnkW );
if ((handle = FindFirstFileW( glob, &data )) != INVALID_HANDLE_VALUE)
{
do { add_launcher( folder, data.cFileName, -1 ); } while (FindNextFileW( handle, &data ));
FindClose( handle );
}
HeapFree( GetProcessHeap(), 0, glob );
}
#define BORDER_SIZE 4
#define PADDING_SIZE 4
#define TITLE_CHARS 14
static void initialize_launchers( HWND hwnd )
{
HRESULT hr, init;
TEXTMETRICW tm;
int icon_size;
if (!(get_icon_text_metrics( hwnd, &tm ))) return;
icon_cx = GetSystemMetrics( SM_CXICON );
icon_cy = GetSystemMetrics( SM_CYICON );
icon_size = max( icon_cx, icon_cy );
title_cy = tm.tmHeight * 2;
title_cx = max( tm.tmAveCharWidth * TITLE_CHARS, icon_size + PADDING_SIZE + title_cy );
launcher_size = BORDER_SIZE + title_cx + BORDER_SIZE;
icon_offset_cx = (launcher_size - icon_cx) / 2;
icon_offset_cy = BORDER_SIZE + (icon_size - icon_cy) / 2;
title_offset_cx = BORDER_SIZE;
title_offset_cy = BORDER_SIZE + icon_size + PADDING_SIZE;
desktop_width = GetSystemMetrics( SM_CXSCREEN );
launchers_per_row = desktop_width / launcher_size;
if (!launchers_per_row) launchers_per_row = 1;
hr = SHGetKnownFolderPath( &FOLDERID_Desktop, KF_FLAG_CREATE, NULL, &desktop_folder );
if (FAILED( hr ))
{
WINE_ERR("Could not get user desktop folder\n");
return;
}
hr = SHGetKnownFolderPath( &FOLDERID_PublicDesktop, KF_FLAG_CREATE, NULL, &desktop_folder_public );
if (FAILED( hr ))
{
WINE_ERR("Could not get public desktop folder\n");
CoTaskMemFree( desktop_folder );
return;
}
if ((launchers = HeapAlloc( GetProcessHeap(), 0, 2 * sizeof(launchers[0]) )))
{
nb_allocated = 2;
init = CoInitialize( NULL );
add_folder( desktop_folder );
add_folder( desktop_folder_public );
if (SUCCEEDED( init )) CoUninitialize();
CreateThread( NULL, 0, watch_desktop_folders, hwnd, 0, NULL );
}
}
/* screen saver handler */
static BOOL start_screensaver( void )
{
if (using_root)
{
const char *argv[3] = { "xdg-screensaver", "activate", NULL };
int pid = _spawnvp( _P_DETACH, argv[0], argv );
if (pid > 0)
{
WINE_TRACE( "started process %d\n", pid );
return TRUE;
}
}
return FALSE;
}
static WNDPROC desktop_orig_wndproc;
/* 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:
switch(wp & 0xfff0)
{
case SC_CLOSE:
ExitWindows( 0, 0 );
break;
case SC_SCREENSAVE:
return start_screensaver();
}
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_SETTINGCHANGE:
if (wp == SPI_SETDESKWALLPAPER)
SystemParametersInfoW( SPI_SETDESKWALLPAPER, 0, NULL, FALSE );
return 0;
case WM_PARENTNOTIFY:
handle_parent_notify( (HWND)lp, wp );
return 0;
case WM_LBUTTONDBLCLK:
if (!using_root)
{
const struct launcher *launcher = launcher_from_point( (short)LOWORD(lp), (short)HIWORD(lp) );
if (launcher) do_launch( launcher );
}
return 0;
case WM_PAINT:
{
PAINTSTRUCT ps;
BeginPaint( hwnd, &ps );
if (!using_root)
{
if (ps.fErase) PaintDesktop( ps.hdc );
draw_launchers( ps.hdc, ps.rcPaint );
}
EndPaint( hwnd, &ps );
}
return 0;
}
return desktop_orig_wndproc( hwnd, message, wp, lp );
}
/* create the desktop and the associated driver window, and make it the current desktop */
static BOOL create_desktop( HMODULE driver, const WCHAR *name, unsigned int width, unsigned int height )
{
BOOL ret = FALSE;
BOOL (CDECL *create_desktop_func)(unsigned int, unsigned int);
if (driver)
{
create_desktop_func = (void *)GetProcAddress( driver, "wine_create_desktop" );
if (create_desktop_func) ret = create_desktop_func( width, height );
}
return ret;
}
/* parse the desktop size specification */
static BOOL parse_size( const WCHAR *size, unsigned int *width, unsigned int *height )
{
WCHAR *end;
*width = strtoulW( size, &end, 10 );
if (end == size) return FALSE;
if (*end != 'x') return FALSE;
size = end + 1;
*height = strtoulW( size, &end, 10 );
return !*end;
}
/* retrieve the desktop name to use if not specified on the command line */
static const WCHAR *get_default_desktop_name(void)
{
static const WCHAR desktopW[] = {'D','e','s','k','t','o','p',0};
static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',0};
static const WCHAR explorer_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
'E','x','p','l','o','r','e','r',0};
static WCHAR buffer[MAX_PATH];
DWORD size = sizeof(buffer);
HDESK desk = GetThreadDesktop( GetCurrentThreadId() );
WCHAR *ret = NULL;
HKEY hkey;
if (desk && GetUserObjectInformationW( desk, UOI_NAME, buffer, ARRAY_SIZE( buffer ), NULL ))
{
if (strcmpiW( buffer, defaultW )) return buffer;
}
/* @@ Wine registry key: HKCU\Software\Wine\Explorer */
if (!RegOpenKeyW( HKEY_CURRENT_USER, explorer_keyW, &hkey ))
{
if (!RegQueryValueExW( hkey, desktopW, 0, NULL, (LPBYTE)buffer, &size )) ret = buffer;
RegCloseKey( hkey );
}
return ret;
}
/* retrieve the default desktop size from the registry */
static BOOL get_default_desktop_size( const WCHAR *name, unsigned int *width, unsigned int *height )
{
static const WCHAR desktop_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
'E','x','p','l','o','r','e','r','\\',
'D','e','s','k','t','o','p','s',0};
HKEY hkey;
WCHAR buffer[64];
DWORD size = sizeof(buffer);
BOOL found = FALSE;
*width = 800;
*height = 600;
/* @@ Wine registry key: HKCU\Software\Wine\Explorer\Desktops */
if (!RegOpenKeyW( HKEY_CURRENT_USER, desktop_keyW, &hkey ))
{
if (!RegQueryValueExW( hkey, name, 0, NULL, (LPBYTE)buffer, &size ))
{
found = TRUE;
if (!parse_size( buffer, width, height )) *width = *height = 0;
}
RegCloseKey( hkey );
}
return found;
}
static BOOL get_default_enable_shell( const WCHAR *name )
{
static const WCHAR desktop_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
'E','x','p','l','o','r','e','r','\\',
'D','e','s','k','t','o','p','s',0};
static const WCHAR enable_shellW[] = {'E','n','a','b','l','e','S','h','e','l','l',0};
static const WCHAR shellW[] = {'s','h','e','l','l',0};
HKEY hkey;
BOOL found = FALSE;
BOOL result;
DWORD size = sizeof(result);
/* @@ Wine registry key: HKCU\Software\Wine\Explorer\Desktops */
if (!RegOpenKeyW( HKEY_CURRENT_USER, desktop_keyW, &hkey ))
{
if (!RegGetValueW( hkey, name, enable_shellW, RRF_RT_REG_DWORD, NULL, &result, &size ))
found = TRUE;
RegCloseKey( hkey );
}
/* Default off, except for the magic desktop name "shell" */
if (!found)
result = (lstrcmpiW( name, shellW ) == 0);
return result;
}
static HMODULE load_graphics_driver( const WCHAR *driver, const GUID *guid )
{
static const WCHAR device_keyW[] = {
'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','8','x','-','%','0','4','x','-','%','0','4','x','-',
'%','0','2','x','%','0','2','x','-','%','0','2','x','%','0','2','x','%','0','2','x',
'%','0','2','x','%','0','2','x','%','0','2','x','}','\\','0','0','0','0',0};
static const WCHAR graphics_driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0};
static const WCHAR driversW[] = {'S','o','f','t','w','a','r','e','\\',
'W','i','n','e','\\','D','r','i','v','e','r','s',0};
static const WCHAR graphicsW[] = {'G','r','a','p','h','i','c','s',0};
static const WCHAR drv_formatW[] = {'w','i','n','e','%','s','.','d','r','v',0};
WCHAR buffer[MAX_PATH], libname[32], *name, *next;
WCHAR key[ARRAY_SIZE( device_keyW ) + 39];
HMODULE module = 0;
HKEY hkey;
char error[80];
if (!driver)
{
strcpyW( buffer, default_driver );
/* @@ Wine registry key: HKCU\Software\Wine\Drivers */
if (!RegOpenKeyW( HKEY_CURRENT_USER, driversW, &hkey ))
{
DWORD count = sizeof(buffer);
RegQueryValueExW( hkey, graphicsW, 0, NULL, (LPBYTE)buffer, &count );
RegCloseKey( hkey );
}
}
else lstrcpynW( buffer, driver, ARRAY_SIZE( buffer ));
name = buffer;
while (name)
{
next = strchrW( name, ',' );
if (next) *next++ = 0;
snprintfW( libname, ARRAY_SIZE( libname ), drv_formatW, name );
if ((module = LoadLibraryW( libname )) != 0) break;
switch (GetLastError())
{
case ERROR_MOD_NOT_FOUND:
strcpy( error, "The graphics driver is missing. Check your build!" );
break;
case ERROR_DLL_INIT_FAILED:
strcpy( error, "Make sure that your X server is running and that $DISPLAY is set correctly." );
break;
default:
sprintf( error, "Unknown error (%u).", GetLastError() );
break;
}
name = next;
}
if (module)
{
GetModuleFileNameW( module, buffer, MAX_PATH );
TRACE( "display %s driver %s\n", debugstr_guid(guid), debugstr_w(buffer) );
}
sprintfW( key, device_keyW, guid->Data1, guid->Data2, guid->Data3,
guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7] );
if (!RegCreateKeyExW( HKEY_LOCAL_MACHINE, key, 0, NULL,
REG_OPTION_VOLATILE, KEY_SET_VALUE, NULL, &hkey, NULL ))
{
if (module)
RegSetValueExW( hkey, graphics_driverW, 0, REG_SZ,
(BYTE *)buffer, (strlenW(buffer) + 1) * sizeof(WCHAR) );
else
RegSetValueExA( hkey, "DriverError", 0, REG_SZ, (BYTE *)error, strlen(error) + 1 );
RegCloseKey( hkey );
}
return module;
}
static void initialize_display_settings(void)
{
DEVMODEW dmW;
/* 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 );
}
}
static void set_desktop_window_title( HWND hwnd, const WCHAR *name )
{
static const WCHAR desktop_nameW[] = {'W','i','n','e',' ','d','e','s','k','t','o','p',0};
static const WCHAR desktop_name_separatorW[] = {' ', '-', ' ', 0};
WCHAR *window_titleW = NULL;
int window_title_len;
if (!name[0])
{
SetWindowTextW( hwnd, desktop_nameW );
return;
}
window_title_len = strlenW(name) * sizeof(WCHAR)
+ sizeof(desktop_name_separatorW)
+ sizeof(desktop_nameW);
window_titleW = HeapAlloc( GetProcessHeap(), 0, window_title_len );
if (!window_titleW)
{
SetWindowTextW( hwnd, desktop_nameW );
return;
}
strcpyW( window_titleW, name );
strcatW( window_titleW, desktop_name_separatorW );
strcatW( window_titleW, desktop_nameW );
SetWindowTextW( hwnd, window_titleW );
HeapFree( GetProcessHeap(), 0, window_titleW );
}
static inline BOOL is_whitespace(WCHAR c)
{
return c == ' ' || c == '\t';
}
/* main desktop management function */
void manage_desktop( WCHAR *arg )
{
static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
HDESK desktop = 0;
GUID guid;
MSG msg;
HWND hwnd;
HMODULE graphics_driver;
unsigned int width, height;
WCHAR *cmdline = NULL, *driver = NULL;
WCHAR *p = arg;
const WCHAR *name = NULL;
BOOL enable_shell = FALSE;
void (WINAPI *pShellDDEInit)( BOOL ) = NULL;
/* get the rest of the command line (if any) */
while (*p && !is_whitespace(*p)) p++;
if (*p)
{
*p++ = 0;
while (*p && is_whitespace(*p)) p++;
if (*p) cmdline = p;
}
/* parse the desktop option */
/* the option is of the form /desktop=name[,widthxheight[,driver]] */
if (*arg == '=' || *arg == ',')
{
arg++;
name = arg;
if ((p = strchrW( arg, ',' )))
{
*p++ = 0;
if ((driver = strchrW( p, ',' ))) *driver++ = 0;
}
if (!p || !parse_size( p, &width, &height ))
get_default_desktop_size( name, &width, &height );
}
else if ((name = get_default_desktop_name()))
{
if (!get_default_desktop_size( name, &width, &height )) width = height = 0;
}
if (name)
enable_shell = get_default_enable_shell( name );
if (name && width && height)
{
if (!(desktop = CreateDesktopW( name, NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL )))
{
WINE_ERR( "failed to create desktop %s error %d\n", wine_dbgstr_w(name), GetLastError() );
ExitProcess( 1 );
}
SetThreadDesktop( desktop );
}
UuidCreate( &guid );
TRACE( "display guid %s\n", debugstr_guid(&guid) );
graphics_driver = load_graphics_driver( driver, &guid );
/* create the desktop window */
hwnd = CreateWindowExW( 0, DESKTOP_CLASS_ATOM, NULL,
WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 0, 0, 0, 0, 0, 0, 0, &guid );
if (hwnd)
{
/* create the HWND_MESSAGE parent */
CreateWindowExW( 0, messageW, NULL, WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
0, 0, 100, 100, 0, 0, 0, NULL );
desktop_orig_wndproc = (WNDPROC)SetWindowLongPtrW( hwnd, GWLP_WNDPROC,
(LONG_PTR)desktop_wnd_proc );
using_root = !desktop || !create_desktop( graphics_driver, name, width, height );
SendMessageW( hwnd, WM_SETICON, ICON_BIG, (LPARAM)LoadIconW( 0, MAKEINTRESOURCEW(OIC_WINLOGO)));
if (name) set_desktop_window_title( hwnd, name );
SetWindowPos( hwnd, 0, GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN),
GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN),
SWP_SHOWWINDOW );
SystemParametersInfoW( SPI_SETDESKWALLPAPER, 0, NULL, FALSE );
ClipCursor( NULL );
initialize_display_settings();
initialize_appbar();
if (graphics_driver)
{
HMODULE shell32;
if (using_root) enable_shell = FALSE;
initialize_systray( graphics_driver, using_root, enable_shell );