wine/windows/sysmetrics.c
2002-05-31 23:06:46 +00:00

308 lines
11 KiB
C

/*
* System metrics functions
*
* Copyright 1994 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "windef.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "winbase.h"
#include "winreg.h"
#include "winuser.h"
#include "winerror.h"
#include "user.h"
#include "sysmetrics.h"
static int sysMetrics[SM_WINE_CMETRICS+1];
/***********************************************************************
* RegistryTwips2Pixels
*
* Convert a a dimension value that was obtained from the registry. These are
* quoted as being "twips" values if negative and pixels if positive.
* See for example
* MSDN Library - April 2001 -> Resource Kits ->
* Windows 2000 Resource Kit Reference ->
* Technical Reference to the Windows 2000 Registry ->
* HKEY_CURRENT_USE -> Control Panel -> Desktop -> WindowMetrics
*
* This is written as a function to prevent repeated evaluation of the
* argument.
*/
inline static int RegistryTwips2Pixels(int x)
{
if (x < 0)
x = (-x+7)/15;
return x;
}
/***********************************************************************
* SYSMETRICS_GetRegistryMetric
*
* Get a registry entry from the already open key. This allows us to open the
* section once and read several values.
*
* Of course this function belongs somewhere more usable but here will do
* for now.
*/
static int SYSMETRICS_GetRegistryMetric (
HKEY hkey, /* handle to the registry section */
const char *key, /* value name in the section */
int default_value) /* default to return */
{
int value = default_value;
if (hkey)
{
BYTE buffer[128];
DWORD type, count = sizeof(buffer);
if(!RegQueryValueExA (hkey, key, 0, &type, buffer, &count))
{
if (type != REG_SZ)
{
/* Are there any utilities for converting registry entries
* between formats?
*/
/* FIXME_(reg)("We need reg format converter\n"); */
}
else
value = atoi(buffer);
}
}
return RegistryTwips2Pixels(value);
}
/***********************************************************************
* SYSMETRICS_Init
*
* Initialisation of the system metrics array.
*
* Differences in return values between 3.1 and 95 apps under Win95 (FIXME ?):
* SM_CXVSCROLL x+1 x Fixed May 24, 1999 - Ronald B. Cemer
* SM_CYHSCROLL x+1 x Fixed May 24, 1999 - Ronald B. Cemer
* SM_CXDLGFRAME x-1 x Already fixed
* SM_CYDLGFRAME x-1 x Already fixed
* SM_CYCAPTION x+1 x Fixed May 24, 1999 - Ronald B. Cemer
* SM_CYMENU x-1 x Already fixed
* SM_CYFULLSCREEN x-1 x
* SM_CXFRAME Fixed July 6, 2001 - Bill Medland
*
* (collides with TWEAK_WineLook sometimes,
* so changing anything might be difficult)
*
* Starting at Win95 there are now a large number or Registry entries in the
* [WindowMetrics] section that are probably relevant here.
*/
void SYSMETRICS_Init(void)
{
HDC hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
HKEY hkey; /* key to the window metrics area of the registry */
INT dummy;
assert(hdc);
if (RegOpenKeyExA (HKEY_CURRENT_USER, "Control Panel\\desktop\\WindowMetrics",
0, KEY_QUERY_VALUE, &hkey) != ERROR_SUCCESS) hkey = 0;
if (TWEAK_WineLook > WIN31_LOOK)
{
sysMetrics[SM_CXVSCROLL] = SYSMETRICS_GetRegistryMetric( hkey, "ScrollWidth", 16 );
sysMetrics[SM_CYHSCROLL] = sysMetrics[SM_CXVSCROLL];
/* The Win 2000 resource kit SAYS that this is governed by the ScrollHeight
* but on my computer that controls the CYV/CXH values. */
sysMetrics[SM_CYCAPTION] = SYSMETRICS_GetRegistryMetric(hkey, "CaptionHeight", 18)
+ 1; /* for the separator? */
sysMetrics[SM_CYMENU] = SYSMETRICS_GetRegistryMetric (hkey, "MenuHeight", 18) + 1;
sysMetrics[SM_CXDLGFRAME] = 3;
sysMetrics[SM_CYDLGFRAME] = sysMetrics[SM_CXDLGFRAME];
/* force setting of SM_CXFRAME/SM_CYFRAME */
SystemParametersInfoA( SPI_GETBORDER, 0, &dummy, 0 );
}
else
{
sysMetrics[SM_CXVSCROLL] = 17;
sysMetrics[SM_CYHSCROLL] = sysMetrics[SM_CXVSCROLL];
sysMetrics[SM_CYCAPTION] = 20;
sysMetrics[SM_CYMENU] = 18;
sysMetrics[SM_CXDLGFRAME] = 4;
sysMetrics[SM_CYDLGFRAME] = sysMetrics[SM_CXDLGFRAME];
sysMetrics[SM_CXFRAME] = GetProfileIntA("Windows", "BorderWidth", 4) + 1;
sysMetrics[SM_CYFRAME] = sysMetrics[SM_CXFRAME];
}
sysMetrics[SM_CXCURSOR] = 32;
sysMetrics[SM_CYCURSOR] = 32;
sysMetrics[SM_CXSCREEN] = GetDeviceCaps( hdc, HORZRES );
sysMetrics[SM_CYSCREEN] = GetDeviceCaps( hdc, VERTRES );
sysMetrics[SM_WINE_BPP] = GetDeviceCaps( hdc, BITSPIXEL );
sysMetrics[SM_CXBORDER] = 1;
sysMetrics[SM_CYBORDER] = sysMetrics[SM_CXBORDER];
sysMetrics[SM_CYVTHUMB] = sysMetrics[SM_CXVSCROLL] - 1;
sysMetrics[SM_CXHTHUMB] = sysMetrics[SM_CYVTHUMB];
sysMetrics[SM_CXICON] = 32;
sysMetrics[SM_CYICON] = 32;
sysMetrics[SM_CXFULLSCREEN] = sysMetrics[SM_CXSCREEN];
sysMetrics[SM_CYFULLSCREEN] =
sysMetrics[SM_CYSCREEN] - sysMetrics[SM_CYCAPTION];
sysMetrics[SM_CYKANJIWINDOW] = 0;
sysMetrics[SM_MOUSEPRESENT] = 1;
sysMetrics[SM_CYVSCROLL] = SYSMETRICS_GetRegistryMetric (hkey, "ScrollHeight", sysMetrics[SM_CXVSCROLL]);
sysMetrics[SM_CXHSCROLL] = SYSMETRICS_GetRegistryMetric (hkey, "ScrollHeight", sysMetrics[SM_CYHSCROLL]);
sysMetrics[SM_DEBUG] = 0;
sysMetrics[SM_SWAPBUTTON] = 0;
sysMetrics[SM_SWAPBUTTON] = SYSPARAMS_GetMouseButtonSwap();
sysMetrics[SM_RESERVED1] = 0;
sysMetrics[SM_RESERVED2] = 0;
sysMetrics[SM_RESERVED3] = 0;
sysMetrics[SM_RESERVED4] = 0;
/* FIXME: The following two are calculated, but how? */
sysMetrics[SM_CXMIN] = (TWEAK_WineLook > WIN31_LOOK) ? 112 : 100;
sysMetrics[SM_CYMIN] = (TWEAK_WineLook > WIN31_LOOK) ? 27 : 28;
sysMetrics[SM_CXSIZE] = sysMetrics[SM_CYCAPTION] - 2;
sysMetrics[SM_CYSIZE] = sysMetrics[SM_CXSIZE];
sysMetrics[SM_CXMINTRACK] = sysMetrics[SM_CXMIN];
sysMetrics[SM_CYMINTRACK] = sysMetrics[SM_CYMIN];
sysMetrics[SM_CXDOUBLECLK] = 4;
sysMetrics[SM_CYDOUBLECLK] = 4;
SYSPARAMS_GetDoubleClickSize( &sysMetrics[SM_CXDOUBLECLK], &sysMetrics[SM_CYDOUBLECLK] );
sysMetrics[SM_CXICONSPACING] = 75;
SystemParametersInfoA( SPI_ICONHORIZONTALSPACING, 0,
&sysMetrics[SM_CXICONSPACING], 0 );
sysMetrics[SM_CYICONSPACING] = 75;
SystemParametersInfoA( SPI_ICONVERTICALSPACING, 0,
&sysMetrics[SM_CYICONSPACING], 0 );
SystemParametersInfoA( SPI_GETMENUDROPALIGNMENT, 0,
&sysMetrics[SM_MENUDROPALIGNMENT], 0 );
sysMetrics[SM_PENWINDOWS] = 0;
sysMetrics[SM_DBCSENABLED] = 0;
/* FIXME: Need to query X for the following */
sysMetrics[SM_CMOUSEBUTTONS] = 3;
sysMetrics[SM_SECURE] = 0;
sysMetrics[SM_CXEDGE] = sysMetrics[SM_CXBORDER] + 1;
sysMetrics[SM_CYEDGE] = sysMetrics[SM_CXEDGE];
sysMetrics[SM_CXMINSPACING] = 160;
sysMetrics[SM_CYMINSPACING] = 24;
sysMetrics[SM_CXSMICON] = sysMetrics[SM_CYSIZE] - (sysMetrics[SM_CYSIZE] % 2);
sysMetrics[SM_CYSMICON] = sysMetrics[SM_CXSMICON];
sysMetrics[SM_CYSMCAPTION] = 16;
sysMetrics[SM_CXSMSIZE] = 15;
sysMetrics[SM_CYSMSIZE] = sysMetrics[SM_CXSMSIZE];
sysMetrics[SM_CXMENUSIZE] = sysMetrics[SM_CYMENU];
sysMetrics[SM_CYMENUSIZE] = sysMetrics[SM_CXMENUSIZE];
/* FIXME: What do these mean? */
sysMetrics[SM_ARRANGE] = ARW_HIDE;
sysMetrics[SM_CXMINIMIZED] = 160;
sysMetrics[SM_CYMINIMIZED] = 24;
/* FIXME: How do I calculate these? */
sysMetrics[SM_CXMAXTRACK] =
sysMetrics[SM_CXSCREEN] + 4 + 2 * sysMetrics[SM_CXFRAME];
sysMetrics[SM_CYMAXTRACK] =
sysMetrics[SM_CYSCREEN] + 4 + 2 * sysMetrics[SM_CYFRAME];
sysMetrics[SM_CXMAXIMIZED] =
sysMetrics[SM_CXSCREEN] + 2 * sysMetrics[SM_CXFRAME];
sysMetrics[SM_CYMAXIMIZED] =
sysMetrics[SM_CYSCREEN] - 45;
sysMetrics[SM_NETWORK] = 3;
/* For the following: 0 = ok, 1 = failsafe, 2 = failsafe + network */
sysMetrics[SM_CLEANBOOT] = 0;
sysMetrics[SM_CXDRAG] = 2;
sysMetrics[SM_CYDRAG] = 2;
sysMetrics[SM_CXMENUCHECK] = 14;
sysMetrics[SM_CYMENUCHECK] = 14;
/* FIXME: Should check the type of processor for the following */
sysMetrics[SM_SLOWMACHINE] = 0;
/* FIXME: Should perform a check */
sysMetrics[SM_MIDEASTENABLED] = 0;
sysMetrics[SM_MOUSEWHEELPRESENT] = 0;
sysMetrics[SM_CXVIRTUALSCREEN] = sysMetrics[SM_CXSCREEN];
sysMetrics[SM_CYVIRTUALSCREEN] = sysMetrics[SM_CYSCREEN];
sysMetrics[SM_XVIRTUALSCREEN] = 0;
sysMetrics[SM_YVIRTUALSCREEN] = 0;
sysMetrics[SM_CMONITORS] = 1;
sysMetrics[SM_SAMEDISPLAYFORMAT] = 1;
sysMetrics[SM_CMETRICS] = SM_CMETRICS;
SystemParametersInfoA( SPI_GETSHOWSOUNDS, 0, &sysMetrics[SM_SHOWSOUNDS], 0 );
if (hkey) RegCloseKey (hkey);
DeleteDC( hdc );
}
/***********************************************************************
* SYSMETRICS_Set
*
* Sets system metrics.
*/
INT SYSMETRICS_Set( INT index, INT value )
{
if ((index < 0) || (index > SM_WINE_CMETRICS)) return 0;
else
{
INT prev = sysMetrics[index];
sysMetrics[index] = value;
return prev;
}
}
/***********************************************************************
* GetSystemMetrics (USER.179)
*/
INT16 WINAPI GetSystemMetrics16( INT16 index )
{
return (INT16)GetSystemMetrics(index);
}
/***********************************************************************
* GetSystemMetrics (USER32.@)
*/
INT WINAPI GetSystemMetrics( INT index )
{
if ((index < 0) || (index > SM_WINE_CMETRICS)) return 0;
return sysMetrics[index];
}