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reactos/reactos/lib/user32/misc/desktop.c
Steven Edwards 6a73e87d9b strip whitespace from end of lines 
svn path=/trunk/; revision=15167
2005-05-09 01:42:07 +00:00

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/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS user32.dll
* FILE: lib/user32/misc/desktop.c
* PURPOSE: Desktops
* PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
* UPDATE HISTORY:
* 06-06-2001 CSH Created
*/
#include "user32.h"
#include "winsta.h"
#include <string.h>
#include <debug.h>
#include <rosrtl/devmode.h>
#include <rosrtl/logfont.h>
#include <malloc.h>
#include <math.h>
/*
* @implemented
*/
int STDCALL
GetSystemMetrics(int nIndex)
{
return(NtUserGetSystemMetrics(nIndex));
}
/*
* @unimplemented
*/
BOOL STDCALL SetDeskWallpaper(LPCSTR filename)
{
return SystemParametersInfoA(SPI_SETDESKWALLPAPER,0,(PVOID)filename,TRUE);
}
/*
* @implemented
*/
BOOL STDCALL
SystemParametersInfoA(UINT uiAction,
UINT uiParam,
PVOID pvParam,
UINT fWinIni)
{
switch (uiAction)
{
case SPI_SETDOUBLECLKWIDTH:
case SPI_SETDOUBLECLKHEIGHT:
case SPI_SETDOUBLECLICKTIME:
case SPI_SETGRADIENTCAPTIONS:
case SPI_SETFONTSMOOTHING:
case SPI_SETFOCUSBORDERHEIGHT:
case SPI_SETFOCUSBORDERWIDTH:
case SPI_SETWORKAREA:
case SPI_GETWORKAREA:
case SPI_GETFONTSMOOTHING:
case SPI_GETGRADIENTCAPTIONS:
case SPI_GETFOCUSBORDERHEIGHT:
case SPI_GETFOCUSBORDERWIDTH:
{
return NtUserSystemParametersInfo(uiAction, uiParam, pvParam, fWinIni);
}
case SPI_GETNONCLIENTMETRICS:
{
LPNONCLIENTMETRICSA nclma = (LPNONCLIENTMETRICSA)pvParam;
NONCLIENTMETRICSW nclmw;
nclmw.cbSize = sizeof(NONCLIENTMETRICSW);
if (!SystemParametersInfoW(uiAction, sizeof(NONCLIENTMETRICSW),
&nclmw, fWinIni))
return FALSE;
nclma->iBorderWidth = nclmw.iBorderWidth;
nclma->iScrollWidth = nclmw.iScrollWidth;
nclma->iScrollHeight = nclmw.iScrollHeight;
nclma->iCaptionWidth = nclmw.iCaptionWidth;
nclma->iCaptionHeight = nclmw.iCaptionHeight;
nclma->iSmCaptionWidth = nclmw.iSmCaptionWidth;
nclma->iSmCaptionHeight = nclmw.iSmCaptionHeight;
nclma->iMenuWidth = nclmw.iMenuWidth;
nclma->iMenuHeight = nclmw.iMenuHeight;
RosRtlLogFontW2A(&(nclma->lfCaptionFont), &(nclmw.lfCaptionFont));
RosRtlLogFontW2A(&(nclma->lfSmCaptionFont), &(nclmw.lfSmCaptionFont));
RosRtlLogFontW2A(&(nclma->lfMenuFont), &(nclmw.lfMenuFont));
RosRtlLogFontW2A(&(nclma->lfStatusFont), &(nclmw.lfStatusFont));
RosRtlLogFontW2A(&(nclma->lfMessageFont), &(nclmw.lfMessageFont));
return TRUE;
}
case SPI_GETICONTITLELOGFONT:
{
LOGFONTW lfw;
if (!SystemParametersInfoW(uiAction, 0, &lfw, fWinIni))
return FALSE;
RosRtlLogFontW2A(pvParam, &lfw);
return TRUE;
}
case SPI_GETDESKWALLPAPER:
{
HKEY hKey;
BOOL Ret = FALSE;
#if 0
/* Get the desktop bitmap handle, this does NOT return the file name! */
if(!NtUserSystemParametersInfo(SPI_GETDESKWALLPAPER, 0, &hbmWallpaper, 0))
{
/* Return an empty string, no wallpapaper is set */
*(CHAR*)pvParam = '\0';
return TRUE;
}
#endif
/* FIXME - Read the registry key for now, but what happens if the wallpaper was
changed without SPIF_UPDATEINIFILE?! */
if(RegOpenKeyExW(HKEY_CURRENT_USER,
L"Control Panel\\Desktop",
0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
DWORD Type, Size;
Size = uiParam;
if(RegQueryValueExA(hKey,
"Wallpaper",
NULL,
&Type,
(LPBYTE)pvParam,
&Size) == ERROR_SUCCESS
&& Type == REG_SZ)
{
Ret = TRUE;
}
RegCloseKey(hKey);
}
return Ret;
}
case SPI_SETDESKWALLPAPER:
{
HBITMAP hNewWallpaper;
BOOL Ret;
LPSTR lpWallpaper = (LPSTR)pvParam;
if(lpWallpaper != NULL && *lpWallpaper != '\0')
{
hNewWallpaper = LoadImageA(0, lpWallpaper, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
if(hNewWallpaper == NULL)
{
return FALSE;
}
}
else
{
hNewWallpaper = NULL;
lpWallpaper = NULL;
}
/* Set the wallpaper bitmap */
if(!NtUserSystemParametersInfo(SPI_SETDESKWALLPAPER, 0, &hNewWallpaper, fWinIni & SPIF_SENDCHANGE))
{
if(hNewWallpaper != NULL)
DeleteObject(hNewWallpaper);
return FALSE;
}
/* Do not use the bitmap handle anymore, it doesn't belong to our process anymore! */
Ret = TRUE;
if(fWinIni & SPIF_UPDATEINIFILE)
{
/* Save the path to the file in the registry */
HKEY hKey;
if(RegOpenKeyExW(HKEY_CURRENT_USER,
L"Control Panel\\Desktop",
0, KEY_SET_VALUE, &hKey) == ERROR_SUCCESS)
{
Ret = RegSetValueExA(hKey, "Wallpaper", 0, REG_SZ, (LPBYTE)(lpWallpaper != NULL ? lpWallpaper : ""),
(lpWallpaper != NULL ? (lstrlenA(lpWallpaper) + 1) * sizeof(CHAR) : sizeof(CHAR)) == ERROR_SUCCESS);
RegCloseKey(hKey);
}
}
RedrawWindow(GetShellWindow(), NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
return Ret;
}
}
return FALSE;
}
/*
* @implemented
*/
BOOL STDCALL
SystemParametersInfoW(UINT uiAction,
UINT uiParam,
PVOID pvParam,
UINT fWinIni)
{
switch(uiAction)
{
case SPI_GETDESKWALLPAPER:
{
HKEY hKey;
BOOL Ret = FALSE;
#if 0
/* Get the desktop bitmap handle, this does NOT return the file name! */
if(!NtUserSystemParametersInfo(SPI_GETDESKWALLPAPER, 0, &hbmWallpaper, 0))
{
/* Return an empty string, no wallpapaper is set */
*(WCHAR*)pvParam = L'\0';
return TRUE;
}
#endif
/* FIXME - Read the registry key for now, but what happens if the wallpaper was
changed without SPIF_UPDATEINIFILE?! */
if(RegOpenKeyExW(HKEY_CURRENT_USER,
L"Control Panel\\Desktop",
0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
DWORD Type, Size;
Size = uiParam * sizeof(WCHAR);
if(RegQueryValueExW(hKey,
L"Wallpaper",
NULL,
&Type,
(LPBYTE)pvParam,
&Size) == ERROR_SUCCESS
&& Type == REG_SZ)
{
Ret = TRUE;
}
RegCloseKey(hKey);
}
return Ret;
}
case SPI_SETDESKWALLPAPER:
{
HBITMAP hNewWallpaper;
BOOL Ret;
LPWSTR lpWallpaper = (LPWSTR)pvParam;
if(lpWallpaper != NULL && *lpWallpaper != L'\0')
{
hNewWallpaper = LoadImageW(0, lpWallpaper, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
if(hNewWallpaper == NULL)
{
return FALSE;
}
}
else
{
hNewWallpaper = NULL;
lpWallpaper = NULL;
}
/* Set the wallpaper bitmap */
if(!NtUserSystemParametersInfo(SPI_SETDESKWALLPAPER, 0, &hNewWallpaper, fWinIni & SPIF_SENDCHANGE))
{
if(hNewWallpaper != NULL)
DeleteObject(hNewWallpaper);
return FALSE;
}
/* Do not use the bitmap handle anymore, it doesn't belong to our process anymore! */
Ret = TRUE;
if(fWinIni & SPIF_UPDATEINIFILE)
{
/* Save the path to the file in the registry */
HKEY hKey;
if(RegOpenKeyExW(HKEY_CURRENT_USER,
L"Control Panel\\Desktop",
0, KEY_SET_VALUE, &hKey) == ERROR_SUCCESS)
{
Ret = RegSetValueExW(hKey, L"Wallpaper", 0, REG_SZ, (lpWallpaper != NULL ? (LPBYTE)lpWallpaper : (LPBYTE)L""),
(lpWallpaper != NULL ? (lstrlenW(lpWallpaper) + 1) * sizeof(WCHAR) : sizeof(WCHAR)) == ERROR_SUCCESS);
RegCloseKey(hKey);
}
}
RedrawWindow(GetShellWindow(), NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
return Ret;
}
}
return NtUserSystemParametersInfo(uiAction, uiParam, pvParam, fWinIni);
}
/*
* @implemented
*/
BOOL
STDCALL
CloseDesktop(
HDESK hDesktop)
{
return NtUserCloseDesktop(hDesktop);
}
/*
* @implemented
*/
HDESK STDCALL
CreateDesktopA(LPCSTR lpszDesktop,
LPCSTR lpszDevice,
LPDEVMODEA pDevmode,
DWORD dwFlags,
ACCESS_MASK dwDesiredAccess,
LPSECURITY_ATTRIBUTES lpsa)
{
ANSI_STRING DesktopNameA;
UNICODE_STRING DesktopNameU;
HDESK hDesktop;
DEVMODEW DevmodeW;
if (lpszDesktop != NULL)
{
RtlInitAnsiString(&DesktopNameA, (LPSTR)lpszDesktop);
RtlAnsiStringToUnicodeString(&DesktopNameU, &DesktopNameA, TRUE);
}
else
{
RtlInitUnicodeString(&DesktopNameU, NULL);
}
RosRtlDevModeA2W ( &DevmodeW, pDevmode );
hDesktop = CreateDesktopW(DesktopNameU.Buffer,
NULL,
&DevmodeW,
dwFlags,
dwDesiredAccess,
lpsa);
RtlFreeUnicodeString(&DesktopNameU);
return(hDesktop);
}
/*
* @implemented
*/
HDESK STDCALL
CreateDesktopW(LPCWSTR lpszDesktop,
LPCWSTR lpszDevice,
LPDEVMODEW pDevmode,
DWORD dwFlags,
ACCESS_MASK dwDesiredAccess,
LPSECURITY_ATTRIBUTES lpsa)
{
UNICODE_STRING DesktopName;
HWINSTA hWinSta;
HDESK hDesktop;
hWinSta = NtUserGetProcessWindowStation();
RtlInitUnicodeString(&DesktopName, lpszDesktop);
hDesktop = NtUserCreateDesktop(&DesktopName,
dwFlags,
dwDesiredAccess,
lpsa,
hWinSta);
return(hDesktop);
}
/*
* @implemented
*/
BOOL
STDCALL
EnumDesktopsA(
HWINSTA WindowStation,
DESKTOPENUMPROCA EnumFunc,
LPARAM Context)
{
return EnumNamesA(WindowStation, EnumFunc, Context, TRUE);
}
/*
* @implemented
*/
BOOL
STDCALL
EnumDesktopsW(
HWINSTA WindowStation,
DESKTOPENUMPROCW EnumFunc,
LPARAM Context)
{
return EnumNamesW(WindowStation, EnumFunc, Context, TRUE);
}
/*
* @implemented
*/
HDESK
STDCALL
GetThreadDesktop(
DWORD dwThreadId)
{
return NtUserGetThreadDesktop(dwThreadId, 0);
}
/*
* @implemented
*/
HDESK
STDCALL
OpenDesktopA(
LPSTR lpszDesktop,
DWORD dwFlags,
BOOL fInherit,
ACCESS_MASK dwDesiredAccess)
{
ANSI_STRING DesktopNameA;
UNICODE_STRING DesktopNameU;
HDESK hDesktop;
if (lpszDesktop != NULL) {
RtlInitAnsiString(&DesktopNameA, lpszDesktop);
RtlAnsiStringToUnicodeString(&DesktopNameU, &DesktopNameA, TRUE);
} else {
RtlInitUnicodeString(&DesktopNameU, NULL);
}
hDesktop = OpenDesktopW(
DesktopNameU.Buffer,
dwFlags,
fInherit,
dwDesiredAccess);
RtlFreeUnicodeString(&DesktopNameU);
return hDesktop;
}
/*
* @implemented
*/
HDESK
STDCALL
OpenDesktopW(
LPWSTR lpszDesktop,
DWORD dwFlags,
BOOL fInherit,
ACCESS_MASK dwDesiredAccess)
{
UNICODE_STRING DesktopName;
RtlInitUnicodeString(&DesktopName, lpszDesktop);
return NtUserOpenDesktop(
&DesktopName,
dwFlags,
dwDesiredAccess);
}
/*
* @implemented
*/
HDESK
STDCALL
OpenInputDesktop(
DWORD dwFlags,
BOOL fInherit,
ACCESS_MASK dwDesiredAccess)
{
return NtUserOpenInputDesktop(
dwFlags,
fInherit,
dwDesiredAccess);
}
/*
* @implemented
*/
BOOL
STDCALL
PaintDesktop(
HDC hdc)
{
return NtUserPaintDesktop(hdc);
}
/*
* @implemented
*/
BOOL
STDCALL
SetThreadDesktop(
HDESK hDesktop)
{
return NtUserSetThreadDesktop(hDesktop);
}
/*
* @implemented
*/
BOOL
STDCALL
SwitchDesktop(
HDESK hDesktop)
{
return NtUserSwitchDesktop(hDesktop);
}
/*
* @implemented
*/
BOOL STDCALL
SetShellWindowEx(HWND hwndShell, HWND hwndShellListView)
{
return NtUserSetShellWindowEx(hwndShell, hwndShellListView);
}
/*
* @implemented
*/
BOOL STDCALL
SetShellWindow(HWND hwndShell)
{
return SetShellWindowEx(hwndShell, hwndShell);
}
/*
* @implemented
*/
HWND STDCALL
GetShellWindow(VOID)
{
return NtUserGetShellWindow();
}
/* EOF */
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