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303 lines
10 KiB
C
303 lines
10 KiB
C
/*
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* System metrics functions
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*
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* Copyright 1994 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/winuser16.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "user.h"
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static int sysMetrics[SM_WINE_CMETRICS+1];
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/***********************************************************************
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* RegistryTwips2Pixels
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*
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* Convert a a dimension value that was obtained from the registry. These are
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* quoted as being "twips" values if negative and pixels if positive.
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* See for example
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* MSDN Library - April 2001 -> Resource Kits ->
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* Windows 2000 Resource Kit Reference ->
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* Technical Reference to the Windows 2000 Registry ->
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* HKEY_CURRENT_USE -> Control Panel -> Desktop -> WindowMetrics
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*
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* This is written as a function to prevent repeated evaluation of the
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* argument.
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*/
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inline static int RegistryTwips2Pixels(int x)
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{
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if (x < 0)
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x = (-x+7)/15;
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return x;
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}
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/***********************************************************************
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* SYSMETRICS_GetRegistryMetric
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*
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* Get a registry entry from the already open key. This allows us to open the
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* section once and read several values.
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*
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* Of course this function belongs somewhere more usable but here will do
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* for now.
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*/
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static int SYSMETRICS_GetRegistryMetric (
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HKEY hkey, /* handle to the registry section */
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const char *key, /* value name in the section */
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int default_value) /* default to return */
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{
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int value = default_value;
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if (hkey)
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{
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BYTE buffer[128];
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DWORD type, count = sizeof(buffer);
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if(!RegQueryValueExA (hkey, key, 0, &type, buffer, &count))
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{
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if (type != REG_SZ)
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{
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/* Are there any utilities for converting registry entries
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* between formats?
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*/
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/* FIXME_(reg)("We need reg format converter\n"); */
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}
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else
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value = atoi(buffer);
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}
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}
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return RegistryTwips2Pixels(value);
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}
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/***********************************************************************
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* SYSMETRICS_Init
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*
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* Initialisation of the system metrics array.
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*
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* Differences in return values between 3.1 and 95 apps under Win95 (FIXME ?):
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* SM_CXVSCROLL x+1 x Fixed May 24, 1999 - Ronald B. Cemer
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* SM_CYHSCROLL x+1 x Fixed May 24, 1999 - Ronald B. Cemer
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* SM_CXDLGFRAME x-1 x Already fixed
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* SM_CYDLGFRAME x-1 x Already fixed
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* SM_CYCAPTION x+1 x Fixed May 24, 1999 - Ronald B. Cemer
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* SM_CYMENU x-1 x Already fixed
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* SM_CYFULLSCREEN x-1 x
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* SM_CXFRAME Fixed July 6, 2001 - Bill Medland
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*
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* (collides with TWEAK_WineLook sometimes,
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* so changing anything might be difficult)
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*
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* Starting at Win95 there are now a large number or Registry entries in the
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* [WindowMetrics] section that are probably relevant here.
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*/
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void SYSMETRICS_Init(void)
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{
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HDC hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
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HKEY hkey; /* key to the window metrics area of the registry */
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INT dummy;
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assert(hdc);
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if (RegOpenKeyExA (HKEY_CURRENT_USER, "Control Panel\\desktop\\WindowMetrics",
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0, KEY_QUERY_VALUE, &hkey) != ERROR_SUCCESS) hkey = 0;
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if (TWEAK_WineLook > WIN31_LOOK)
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{
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sysMetrics[SM_CXVSCROLL] = SYSMETRICS_GetRegistryMetric( hkey, "ScrollWidth", 16 );
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sysMetrics[SM_CYHSCROLL] = sysMetrics[SM_CXVSCROLL];
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/* The Win 2000 resource kit SAYS that this is governed by the ScrollHeight
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* but on my computer that controls the CYV/CXH values. */
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sysMetrics[SM_CYCAPTION] = SYSMETRICS_GetRegistryMetric(hkey, "CaptionHeight", 18)
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+ 1; /* for the separator? */
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sysMetrics[SM_CYMENU] = SYSMETRICS_GetRegistryMetric (hkey, "MenuHeight", 18) + 1;
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sysMetrics[SM_CXDLGFRAME] = 3;
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sysMetrics[SM_CYDLGFRAME] = sysMetrics[SM_CXDLGFRAME];
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/* force setting of SM_CXFRAME/SM_CYFRAME */
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SystemParametersInfoA( SPI_GETBORDER, 0, &dummy, 0 );
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}
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else
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{
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sysMetrics[SM_CXVSCROLL] = 17;
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sysMetrics[SM_CYHSCROLL] = sysMetrics[SM_CXVSCROLL];
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sysMetrics[SM_CYCAPTION] = 20;
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sysMetrics[SM_CYMENU] = 18;
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sysMetrics[SM_CXDLGFRAME] = 4;
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sysMetrics[SM_CYDLGFRAME] = sysMetrics[SM_CXDLGFRAME];
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sysMetrics[SM_CXFRAME] = GetProfileIntA("Windows", "BorderWidth", 4) + 1;
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sysMetrics[SM_CYFRAME] = sysMetrics[SM_CXFRAME];
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}
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sysMetrics[SM_CXCURSOR] = 32;
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sysMetrics[SM_CYCURSOR] = 32;
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sysMetrics[SM_CXSCREEN] = GetDeviceCaps( hdc, HORZRES );
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sysMetrics[SM_CYSCREEN] = GetDeviceCaps( hdc, VERTRES );
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sysMetrics[SM_WINE_BPP] = GetDeviceCaps( hdc, BITSPIXEL );
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sysMetrics[SM_CXBORDER] = 1;
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sysMetrics[SM_CYBORDER] = sysMetrics[SM_CXBORDER];
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sysMetrics[SM_CYVTHUMB] = sysMetrics[SM_CXVSCROLL];
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sysMetrics[SM_CXHTHUMB] = sysMetrics[SM_CYVTHUMB];
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sysMetrics[SM_CXICON] = 32;
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sysMetrics[SM_CYICON] = 32;
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sysMetrics[SM_CXFULLSCREEN] = sysMetrics[SM_CXSCREEN];
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sysMetrics[SM_CYFULLSCREEN] = sysMetrics[SM_CYSCREEN] - sysMetrics[SM_CYCAPTION];
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sysMetrics[SM_CYKANJIWINDOW] = 0;
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sysMetrics[SM_MOUSEPRESENT] = 1;
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sysMetrics[SM_CYVSCROLL] = SYSMETRICS_GetRegistryMetric (hkey, "ScrollHeight", sysMetrics[SM_CXVSCROLL]);
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sysMetrics[SM_CXHSCROLL] = SYSMETRICS_GetRegistryMetric (hkey, "ScrollHeight", sysMetrics[SM_CYHSCROLL]);
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sysMetrics[SM_DEBUG] = 0;
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sysMetrics[SM_SWAPBUTTON] = 0;
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sysMetrics[SM_SWAPBUTTON] = SYSPARAMS_GetMouseButtonSwap();
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sysMetrics[SM_RESERVED1] = 0;
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sysMetrics[SM_RESERVED2] = 0;
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sysMetrics[SM_RESERVED3] = 0;
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sysMetrics[SM_RESERVED4] = 0;
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/* FIXME: The following two are calculated, but how? */
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sysMetrics[SM_CXMIN] = (TWEAK_WineLook > WIN31_LOOK) ? 112 : 100;
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sysMetrics[SM_CYMIN] = (TWEAK_WineLook > WIN31_LOOK) ? 27 : 28;
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sysMetrics[SM_CXSIZE] = sysMetrics[SM_CYCAPTION] - 1;
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sysMetrics[SM_CYSIZE] = sysMetrics[SM_CXSIZE];
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sysMetrics[SM_CXMINTRACK] = sysMetrics[SM_CXMIN];
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sysMetrics[SM_CYMINTRACK] = sysMetrics[SM_CYMIN];
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sysMetrics[SM_CXDOUBLECLK] = 4;
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sysMetrics[SM_CYDOUBLECLK] = 4;
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SYSPARAMS_GetDoubleClickSize( &sysMetrics[SM_CXDOUBLECLK], &sysMetrics[SM_CYDOUBLECLK] );
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sysMetrics[SM_CXICONSPACING] = 75;
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SystemParametersInfoA( SPI_ICONHORIZONTALSPACING, 0,
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&sysMetrics[SM_CXICONSPACING], 0 );
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sysMetrics[SM_CYICONSPACING] = 75;
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SystemParametersInfoA( SPI_ICONVERTICALSPACING, 0,
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&sysMetrics[SM_CYICONSPACING], 0 );
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SystemParametersInfoA( SPI_GETMENUDROPALIGNMENT, 0,
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&sysMetrics[SM_MENUDROPALIGNMENT], 0 );
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sysMetrics[SM_PENWINDOWS] = 0;
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sysMetrics[SM_DBCSENABLED] = 0;
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/* FIXME: Need to query X for the following */
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sysMetrics[SM_CMOUSEBUTTONS] = 3;
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sysMetrics[SM_SECURE] = 0;
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sysMetrics[SM_CXEDGE] = sysMetrics[SM_CXBORDER] + 1;
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sysMetrics[SM_CYEDGE] = sysMetrics[SM_CXEDGE];
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sysMetrics[SM_CXMINSPACING] = 160;
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sysMetrics[SM_CYMINSPACING] = 24;
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sysMetrics[SM_CXSMICON] = sysMetrics[SM_CYSIZE] - (sysMetrics[SM_CYSIZE] % 2);
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sysMetrics[SM_CYSMICON] = sysMetrics[SM_CXSMICON];
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sysMetrics[SM_CYSMCAPTION] = 16;
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sysMetrics[SM_CXSMSIZE] = 13;
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sysMetrics[SM_CYSMSIZE] = 15;
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sysMetrics[SM_CXMENUSIZE] = sysMetrics[SM_CYMENU] - 1;
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sysMetrics[SM_CYMENUSIZE] = sysMetrics[SM_CXMENUSIZE];
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/* FIXME: What do these mean? */
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sysMetrics[SM_ARRANGE] = ARW_HIDE;
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sysMetrics[SM_CXMINIMIZED] = 160;
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sysMetrics[SM_CYMINIMIZED] = 24;
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/* FIXME: How do I calculate these? */
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sysMetrics[SM_CXMAXTRACK] = sysMetrics[SM_CXSCREEN] + 4 + 2 * sysMetrics[SM_CXFRAME];
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sysMetrics[SM_CYMAXTRACK] = sysMetrics[SM_CYSCREEN] + 4 + 2 * sysMetrics[SM_CYFRAME];
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sysMetrics[SM_CXMAXIMIZED] = sysMetrics[SM_CXSCREEN] + 2 * sysMetrics[SM_CXFRAME];
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sysMetrics[SM_CYMAXIMIZED] = sysMetrics[SM_CYSCREEN] + 2 * sysMetrics[SM_CXFRAME];
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sysMetrics[SM_NETWORK] = 3;
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/* For the following: 0 = ok, 1 = failsafe, 2 = failsafe + network */
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sysMetrics[SM_CLEANBOOT] = 0;
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sysMetrics[SM_CXDRAG] = 2;
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sysMetrics[SM_CYDRAG] = 2;
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sysMetrics[SM_CXMENUCHECK] = 13;
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sysMetrics[SM_CYMENUCHECK] = 13;
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/* FIXME: Should check the type of processor for the following */
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sysMetrics[SM_SLOWMACHINE] = 0;
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/* FIXME: Should perform a check */
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sysMetrics[SM_MIDEASTENABLED] = 0;
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sysMetrics[SM_MOUSEWHEELPRESENT] = 0;
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sysMetrics[SM_CXVIRTUALSCREEN] = sysMetrics[SM_CXSCREEN];
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sysMetrics[SM_CYVIRTUALSCREEN] = sysMetrics[SM_CYSCREEN];
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sysMetrics[SM_XVIRTUALSCREEN] = 0;
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sysMetrics[SM_YVIRTUALSCREEN] = 0;
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sysMetrics[SM_CMONITORS] = 1;
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sysMetrics[SM_SAMEDISPLAYFORMAT] = 1;
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sysMetrics[SM_CMETRICS] = SM_CMETRICS;
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SystemParametersInfoA( SPI_GETSHOWSOUNDS, 0, &sysMetrics[SM_SHOWSOUNDS], 0 );
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if (hkey) RegCloseKey (hkey);
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DeleteDC( hdc );
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}
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/***********************************************************************
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* SYSMETRICS_Set
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*
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* Sets system metrics.
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*/
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INT SYSMETRICS_Set( INT index, INT value )
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{
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if ((index < 0) || (index > SM_WINE_CMETRICS)) return 0;
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else
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{
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INT prev = sysMetrics[index];
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sysMetrics[index] = value;
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return prev;
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}
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}
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/***********************************************************************
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* GetSystemMetrics (USER.179)
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*/
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INT16 WINAPI GetSystemMetrics16( INT16 index )
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{
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return (INT16)GetSystemMetrics(index);
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}
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/***********************************************************************
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* GetSystemMetrics (USER32.@)
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*/
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INT WINAPI GetSystemMetrics( INT index )
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{
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if ((index < 0) || (index > SM_WINE_CMETRICS)) return 0;
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return sysMetrics[index];
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}
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