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[wine/multimedia.git] / windows / sysmetrics.c
blob047170ec10fe4a630761163c20a55144657678a1
1 /*
2 * System metrics functions
4 * Copyright 1994 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <assert.h>
25 #include "windef.h"
26 #include "wingdi.h"
27 #include "wine/winuser16.h"
28 #include "winbase.h"
29 #include "winreg.h"
30 #include "winuser.h"
31 #include "winerror.h"
32 #include "user.h"
33 #include "sysmetrics.h"
35 static int sysMetrics[SM_WINE_CMETRICS+1];
38 /***********************************************************************
39 * RegistryTwips2Pixels
41 * Convert a a dimension value that was obtained from the registry. These are
42 * quoted as being "twips" values if negative and pixels if positive.
43 * See for example
44 * MSDN Library - April 2001 -> Resource Kits ->
45 * Windows 2000 Resource Kit Reference ->
46 * Technical Reference to the Windows 2000 Registry ->
47 * HKEY_CURRENT_USE -> Control Panel -> Desktop -> WindowMetrics
49 * This is written as a function to prevent repeated evaluation of the
50 * argument.
52 inline static int RegistryTwips2Pixels(int x)
54 if (x < 0)
55 x = (-x+7)/15;
56 return x;
60 /***********************************************************************
61 * SYSMETRICS_GetRegistryMetric
63 * Get a registry entry from the already open key. This allows us to open the
64 * section once and read several values.
66 * Of course this function belongs somewhere more usable but here will do
67 * for now.
69 static int SYSMETRICS_GetRegistryMetric (
70 HKEY hkey, /* handle to the registry section */
71 const char *key, /* value name in the section */
72 int default_value) /* default to return */
74 int value = default_value;
75 if (hkey)
77 BYTE buffer[128];
78 DWORD type, count = sizeof(buffer);
79 if(!RegQueryValueExA (hkey, key, 0, &type, buffer, &count))
81 if (type != REG_SZ)
83 /* Are there any utilities for converting registry entries
84 * between formats?
86 /* FIXME_(reg)("We need reg format converter\n"); */
88 else
89 value = atoi(buffer);
92 return RegistryTwips2Pixels(value);
96 /***********************************************************************
97 * SYSMETRICS_Init
99 * Initialisation of the system metrics array.
101 * Differences in return values between 3.1 and 95 apps under Win95 (FIXME ?):
102 * SM_CXVSCROLL x+1 x Fixed May 24, 1999 - Ronald B. Cemer
103 * SM_CYHSCROLL x+1 x Fixed May 24, 1999 - Ronald B. Cemer
104 * SM_CXDLGFRAME x-1 x Already fixed
105 * SM_CYDLGFRAME x-1 x Already fixed
106 * SM_CYCAPTION x+1 x Fixed May 24, 1999 - Ronald B. Cemer
107 * SM_CYMENU x-1 x Already fixed
108 * SM_CYFULLSCREEN x-1 x
109 * SM_CXFRAME Fixed July 6, 2001 - Bill Medland
111 * (collides with TWEAK_WineLook sometimes,
112 * so changing anything might be difficult)
114 * Starting at Win95 there are now a large number or Registry entries in the
115 * [WindowMetrics] section that are probably relevant here.
117 void SYSMETRICS_Init(void)
119 HDC hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
120 HKEY hkey; /* key to the window metrics area of the registry */
121 INT dummy;
123 assert(hdc);
125 if (RegOpenKeyExA (HKEY_CURRENT_USER, "Control Panel\\desktop\\WindowMetrics",
126 0, KEY_QUERY_VALUE, &hkey) != ERROR_SUCCESS) hkey = 0;
128 if (TWEAK_WineLook > WIN31_LOOK)
130 sysMetrics[SM_CXVSCROLL] = SYSMETRICS_GetRegistryMetric( hkey, "ScrollWidth", 16 );
131 sysMetrics[SM_CYHSCROLL] = sysMetrics[SM_CXVSCROLL];
133 /* The Win 2000 resource kit SAYS that this is governed by the ScrollHeight
134 * but on my computer that controls the CYV/CXH values. */
135 sysMetrics[SM_CYCAPTION] = SYSMETRICS_GetRegistryMetric(hkey, "CaptionHeight", 18)
136 + 1; /* for the separator? */
138 sysMetrics[SM_CYMENU] = SYSMETRICS_GetRegistryMetric (hkey, "MenuHeight", 18) + 1;
141 sysMetrics[SM_CXDLGFRAME] = 3;
142 sysMetrics[SM_CYDLGFRAME] = sysMetrics[SM_CXDLGFRAME];
144 /* force setting of SM_CXFRAME/SM_CYFRAME */
145 SystemParametersInfoA( SPI_GETBORDER, 0, &dummy, 0 );
147 else
149 sysMetrics[SM_CXVSCROLL] = 17;
150 sysMetrics[SM_CYHSCROLL] = sysMetrics[SM_CXVSCROLL];
151 sysMetrics[SM_CYCAPTION] = 20;
152 sysMetrics[SM_CYMENU] = 18;
153 sysMetrics[SM_CXDLGFRAME] = 4;
154 sysMetrics[SM_CYDLGFRAME] = sysMetrics[SM_CXDLGFRAME];
155 sysMetrics[SM_CXFRAME] = GetProfileIntA("Windows", "BorderWidth", 4) + 1;
156 sysMetrics[SM_CYFRAME] = sysMetrics[SM_CXFRAME];
159 sysMetrics[SM_CXCURSOR] = 32;
160 sysMetrics[SM_CYCURSOR] = 32;
161 sysMetrics[SM_CXSCREEN] = GetDeviceCaps( hdc, HORZRES );
162 sysMetrics[SM_CYSCREEN] = GetDeviceCaps( hdc, VERTRES );
163 sysMetrics[SM_WINE_BPP] = GetDeviceCaps( hdc, BITSPIXEL );
164 sysMetrics[SM_CXBORDER] = 1;
165 sysMetrics[SM_CYBORDER] = sysMetrics[SM_CXBORDER];
166 sysMetrics[SM_CYVTHUMB] = sysMetrics[SM_CXVSCROLL] - 1;
167 sysMetrics[SM_CXHTHUMB] = sysMetrics[SM_CYVTHUMB];
168 sysMetrics[SM_CXICON] = 32;
169 sysMetrics[SM_CYICON] = 32;
170 sysMetrics[SM_CXFULLSCREEN] = sysMetrics[SM_CXSCREEN];
171 sysMetrics[SM_CYFULLSCREEN] =
172 sysMetrics[SM_CYSCREEN] - sysMetrics[SM_CYCAPTION];
173 sysMetrics[SM_CYKANJIWINDOW] = 0;
174 sysMetrics[SM_MOUSEPRESENT] = 1;
175 sysMetrics[SM_CYVSCROLL] = SYSMETRICS_GetRegistryMetric (hkey, "ScrollHeight", sysMetrics[SM_CXVSCROLL]);
176 sysMetrics[SM_CXHSCROLL] = SYSMETRICS_GetRegistryMetric (hkey, "ScrollHeight", sysMetrics[SM_CYHSCROLL]);
177 sysMetrics[SM_DEBUG] = 0;
179 sysMetrics[SM_SWAPBUTTON] = 0;
180 sysMetrics[SM_SWAPBUTTON] = SYSPARAMS_GetMouseButtonSwap();
182 sysMetrics[SM_RESERVED1] = 0;
183 sysMetrics[SM_RESERVED2] = 0;
184 sysMetrics[SM_RESERVED3] = 0;
185 sysMetrics[SM_RESERVED4] = 0;
187 /* FIXME: The following two are calculated, but how? */
188 sysMetrics[SM_CXMIN] = (TWEAK_WineLook > WIN31_LOOK) ? 112 : 100;
189 sysMetrics[SM_CYMIN] = (TWEAK_WineLook > WIN31_LOOK) ? 27 : 28;
191 sysMetrics[SM_CXSIZE] = sysMetrics[SM_CYCAPTION] - 2;
192 sysMetrics[SM_CYSIZE] = sysMetrics[SM_CXSIZE];
193 sysMetrics[SM_CXMINTRACK] = sysMetrics[SM_CXMIN];
194 sysMetrics[SM_CYMINTRACK] = sysMetrics[SM_CYMIN];
196 sysMetrics[SM_CXDOUBLECLK] = 4;
197 sysMetrics[SM_CYDOUBLECLK] = 4;
198 SYSPARAMS_GetDoubleClickSize( &sysMetrics[SM_CXDOUBLECLK], &sysMetrics[SM_CYDOUBLECLK] );
200 sysMetrics[SM_CXICONSPACING] = 75;
201 SystemParametersInfoA( SPI_ICONHORIZONTALSPACING, 0,
202 &sysMetrics[SM_CXICONSPACING], 0 );
203 sysMetrics[SM_CYICONSPACING] = 75;
204 SystemParametersInfoA( SPI_ICONVERTICALSPACING, 0,
205 &sysMetrics[SM_CYICONSPACING], 0 );
207 SystemParametersInfoA( SPI_GETMENUDROPALIGNMENT, 0,
208 &sysMetrics[SM_MENUDROPALIGNMENT], 0 );
209 sysMetrics[SM_PENWINDOWS] = 0;
210 sysMetrics[SM_DBCSENABLED] = 0;
212 /* FIXME: Need to query X for the following */
213 sysMetrics[SM_CMOUSEBUTTONS] = 3;
215 sysMetrics[SM_SECURE] = 0;
216 sysMetrics[SM_CXEDGE] = sysMetrics[SM_CXBORDER] + 1;
217 sysMetrics[SM_CYEDGE] = sysMetrics[SM_CXEDGE];
218 sysMetrics[SM_CXMINSPACING] = 160;
219 sysMetrics[SM_CYMINSPACING] = 24;
220 sysMetrics[SM_CXSMICON] = sysMetrics[SM_CYSIZE] - (sysMetrics[SM_CYSIZE] % 2);
221 sysMetrics[SM_CYSMICON] = sysMetrics[SM_CXSMICON];
222 sysMetrics[SM_CYSMCAPTION] = 16;
223 sysMetrics[SM_CXSMSIZE] = 15;
224 sysMetrics[SM_CYSMSIZE] = sysMetrics[SM_CXSMSIZE];
225 sysMetrics[SM_CXMENUSIZE] = sysMetrics[SM_CYMENU];
226 sysMetrics[SM_CYMENUSIZE] = sysMetrics[SM_CXMENUSIZE];
228 /* FIXME: What do these mean? */
229 sysMetrics[SM_ARRANGE] = ARW_HIDE;
230 sysMetrics[SM_CXMINIMIZED] = 160;
231 sysMetrics[SM_CYMINIMIZED] = 24;
233 /* FIXME: How do I calculate these? */
234 sysMetrics[SM_CXMAXTRACK] =
235 sysMetrics[SM_CXSCREEN] + 4 + 2 * sysMetrics[SM_CXFRAME];
236 sysMetrics[SM_CYMAXTRACK] =
237 sysMetrics[SM_CYSCREEN] + 4 + 2 * sysMetrics[SM_CYFRAME];
238 sysMetrics[SM_CXMAXIMIZED] =
239 sysMetrics[SM_CXSCREEN] + 2 * sysMetrics[SM_CXFRAME];
240 sysMetrics[SM_CYMAXIMIZED] =
241 sysMetrics[SM_CYSCREEN] - 45;
242 sysMetrics[SM_NETWORK] = 3;
244 /* For the following: 0 = ok, 1 = failsafe, 2 = failsafe + network */
245 sysMetrics[SM_CLEANBOOT] = 0;
247 sysMetrics[SM_CXDRAG] = 2;
248 sysMetrics[SM_CYDRAG] = 2;
249 sysMetrics[SM_CXMENUCHECK] = 14;
250 sysMetrics[SM_CYMENUCHECK] = 14;
252 /* FIXME: Should check the type of processor for the following */
253 sysMetrics[SM_SLOWMACHINE] = 0;
255 /* FIXME: Should perform a check */
256 sysMetrics[SM_MIDEASTENABLED] = 0;
258 sysMetrics[SM_MOUSEWHEELPRESENT] = 0;
260 sysMetrics[SM_CXVIRTUALSCREEN] = sysMetrics[SM_CXSCREEN];
261 sysMetrics[SM_CYVIRTUALSCREEN] = sysMetrics[SM_CYSCREEN];
262 sysMetrics[SM_XVIRTUALSCREEN] = 0;
263 sysMetrics[SM_YVIRTUALSCREEN] = 0;
264 sysMetrics[SM_CMONITORS] = 1;
265 sysMetrics[SM_SAMEDISPLAYFORMAT] = 1;
266 sysMetrics[SM_CMETRICS] = SM_CMETRICS;
268 SystemParametersInfoA( SPI_GETSHOWSOUNDS, 0, &sysMetrics[SM_SHOWSOUNDS], 0 );
270 if (hkey) RegCloseKey (hkey);
271 DeleteDC( hdc );
275 /***********************************************************************
276 * SYSMETRICS_Set
278 * Sets system metrics.
280 INT SYSMETRICS_Set( INT index, INT value )
282 if ((index < 0) || (index > SM_WINE_CMETRICS)) return 0;
283 else
285 INT prev = sysMetrics[index];
286 sysMetrics[index] = value;
287 return prev;
292 /***********************************************************************
293 * GetSystemMetrics (USER.179)
295 INT16 WINAPI GetSystemMetrics16( INT16 index )
297 return (INT16)GetSystemMetrics(index);
301 /***********************************************************************
302 * GetSystemMetrics (USER32.@)
304 INT WINAPI GetSystemMetrics( INT index )
306 if ((index < 0) || (index > SM_WINE_CMETRICS)) return 0;
307 return sysMetrics[index];