| /* |
| * 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 <stdarg.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winreg.h" |
| #include "wingdi.h" |
| #include "wine/winuser16.h" |
| #include "winuser.h" |
| #include "winerror.h" |
| #include "user.h" |
| |
| static int sysMetrics[SM_CMETRICS+1]; |
| static HDC display_dc; |
| |
| |
| /*********************************************************************** |
| * 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_USER -> 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 |
| * |
| * 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) |
| { |
| HKEY hkey; /* key to the window metrics area of the registry */ |
| INT dummy; |
| |
| display_dc = CreateICA( "DISPLAY", NULL, NULL, NULL ); |
| assert( display_dc ); |
| |
| if (RegOpenKeyExA (HKEY_CURRENT_USER, "Control Panel\\desktop\\WindowMetrics", |
| 0, KEY_QUERY_VALUE, &hkey) != ERROR_SUCCESS) hkey = 0; |
| |
| 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 ); |
| |
| sysMetrics[SM_CXCURSOR] = 32; |
| sysMetrics[SM_CYCURSOR] = 32; |
| sysMetrics[SM_CXBORDER] = 1; |
| sysMetrics[SM_CYBORDER] = sysMetrics[SM_CXBORDER]; |
| sysMetrics[SM_CYVTHUMB] = sysMetrics[SM_CXVSCROLL]; |
| sysMetrics[SM_CXHTHUMB] = sysMetrics[SM_CYVTHUMB]; |
| sysMetrics[SM_CXICON] = 32; |
| sysMetrics[SM_CYICON] = 32; |
| 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] = 112; |
| sysMetrics[SM_CYMIN] = 27; |
| |
| sysMetrics[SM_CXSIZE] = SYSMETRICS_GetRegistryMetric (hkey, "CaptionWidth", sysMetrics[SM_CYCAPTION] - 1); |
| sysMetrics[SM_CYSIZE] = sysMetrics[SM_CYCAPTION] - 1; |
| 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] = 16; |
| sysMetrics[SM_CYSMICON] = 16; |
| sysMetrics[SM_CYSMCAPTION] = SYSMETRICS_GetRegistryMetric(hkey, "SmCaptionHeight", 15) + 1; |
| sysMetrics[SM_CXSMSIZE] = SYSMETRICS_GetRegistryMetric(hkey, "SmCaptionWidth", 13); |
| sysMetrics[SM_CYSMSIZE] = sysMetrics[SM_CYSMCAPTION] - 1; |
| sysMetrics[SM_CXMENUSIZE] = SYSMETRICS_GetRegistryMetric(hkey, "MenuWidth", sysMetrics[SM_CYMENU] - 1); |
| sysMetrics[SM_CYMENUSIZE] = sysMetrics[SM_CYMENU] - 1; |
| |
| /* 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_NETWORK] = 3; |
| |
| /* For the following: 0 = ok, 1 = failsafe, 2 = failsafe + network */ |
| sysMetrics[SM_CLEANBOOT] = 0; |
| |
| sysMetrics[SM_CXDRAG] = 4; |
| sysMetrics[SM_CYDRAG] = 4; |
| sysMetrics[SM_CXMENUCHECK] = 13; |
| sysMetrics[SM_CYMENUCHECK] = 13; |
| |
| /* 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] = 1; |
| |
| 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); |
| } |
| |
| |
| /*********************************************************************** |
| * SYSMETRICS_Set |
| * |
| * Sets system metrics. |
| */ |
| INT SYSMETRICS_Set( INT index, INT value ) |
| { |
| if ((index < 0) || (index > SM_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 ) |
| { |
| /* some metrics are dynamic */ |
| switch (index) |
| { |
| case SM_CXSCREEN: |
| case SM_CXFULLSCREEN: |
| case SM_CXVIRTUALSCREEN: |
| return GetDeviceCaps( display_dc, HORZRES ); |
| case SM_CYSCREEN: |
| case SM_CYVIRTUALSCREEN: |
| return GetDeviceCaps( display_dc, VERTRES ); |
| case SM_CYFULLSCREEN: |
| return GetDeviceCaps( display_dc, VERTRES ) - sysMetrics[SM_CYCAPTION]; |
| |
| /* FIXME: How do I calculate these? */ |
| case SM_CXMAXTRACK: |
| return GetDeviceCaps( display_dc, HORZRES ) + 4 + 2 * sysMetrics[SM_CXFRAME]; |
| case SM_CYMAXTRACK: |
| return GetDeviceCaps( display_dc, VERTRES ) + 4 + 2 * sysMetrics[SM_CYFRAME]; |
| case SM_CXMAXIMIZED: |
| return GetDeviceCaps( display_dc, HORZRES ) + 2 * sysMetrics[SM_CXFRAME]; |
| case SM_CYMAXIMIZED: |
| return GetDeviceCaps( display_dc, VERTRES ) + 2 * sysMetrics[SM_CYFRAME]; |
| |
| default: |
| if ((index < 0) || (index > SM_CMETRICS)) return 0; |
| return sysMetrics[index]; |
| } |
| } |