2 * Support for system colors
4 * Copyright David W. Metcalfe, 1993
5 * Copyright Alexandre Julliard, 1994
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 #include "wine/winbase16.h"
31 #include "wine/winuser16.h"
36 #include "gdi.h" /* sic */
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(syscolor);
41 static const char * const DefSysColors[] =
43 "Scrollbar", "192 192 192", /* COLOR_SCROLLBAR */
44 "Background", "0 128 128", /* COLOR_BACKGROUND */
45 "ActiveTitle", "0 0 128", /* COLOR_ACTIVECAPTION */
46 "InactiveTitle", "128 128 128", /* COLOR_INACTIVECAPTION */
47 "Menu", "192 192 192", /* COLOR_MENU */
48 "Window", "255 255 255", /* COLOR_WINDOW */
49 "WindowFrame", "0 0 0", /* COLOR_WINDOWFRAME */
50 "MenuText", "0 0 0", /* COLOR_MENUTEXT */
51 "WindowText", "0 0 0", /* COLOR_WINDOWTEXT */
52 "TitleText", "255 255 255", /* COLOR_CAPTIONTEXT */
53 "ActiveBorder", "192 192 192", /* COLOR_ACTIVEBORDER */
54 "InactiveBorder", "192 192 192", /* COLOR_INACTIVEBORDER */
55 "AppWorkSpace", "128 128 128", /* COLOR_APPWORKSPACE */
56 "Hilight", "0 0 128", /* COLOR_HIGHLIGHT */
57 "HilightText", "255 255 255", /* COLOR_HIGHLIGHTTEXT */
58 "ButtonFace", "192 192 192", /* COLOR_BTNFACE */
59 "ButtonShadow", "128 128 128", /* COLOR_BTNSHADOW */
60 "GrayText", "128 128 128", /* COLOR_GRAYTEXT */
61 "ButtonText", "0 0 0", /* COLOR_BTNTEXT */
62 "InactiveTitleText", "192 192 192",/* COLOR_INACTIVECAPTIONTEXT */
63 "ButtonHilight", "255 255 255", /* COLOR_BTNHIGHLIGHT */
64 "ButtonDkShadow", "0 0 0", /* COLOR_3DDKSHADOW */
65 "ButtonLight", "224 224 224", /* COLOR_3DLIGHT */
66 "InfoText", "0 0 0", /* COLOR_INFOTEXT */
67 "InfoWindow", "255 255 225", /* COLOR_INFOBK */
68 "ButtonAlternateFace", "180 180 180", /* COLOR_ALTERNATEBTNFACE */
69 "HotTrackingColor", "0 0 255", /* COLOR_HOTLIGHT */
70 "GradientActiveTitle", "16 132 208", /* COLOR_GRADIENTACTIVECAPTION */
71 "GradientInactiveTitle", "181 181 181",/* COLOR_GRADIENTINACTIVECAPTION */
72 "MenuHilight", "0 0 0", /* COLOR_MENUHILIGHT */
73 "MenuBar", "192 192 192" /* COLOR_MENUBAR */
77 #define NUM_SYS_COLORS (COLOR_MENUBAR+1)
79 static COLORREF SysColors[NUM_SYS_COLORS];
80 static HBRUSH SysColorBrushes[NUM_SYS_COLORS];
81 static HPEN SysColorPens[NUM_SYS_COLORS];
83 static const WORD wPattern55AA[] =
84 { 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa };
86 HBRUSH SYSCOLOR_55AABrush = 0;
89 /*************************************************************************
90 * SYSCOLOR_MakeObjectSystem
92 * OK, now for a very ugly hack.
93 * USER somehow has to tell GDI that its system brushes and pens are
95 * We don't want to export a function from GDI doing this for us,
96 * so we just do that ourselves by "wildly flipping some bits in memory".
97 * For a description of the GDI object magics and their flags,
98 * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
100 static void SYSCOLOR_MakeObjectSystem( HGDIOBJ16 handle, BOOL set)
102 static WORD heap_sel = 0;
105 if (!heap_sel) heap_sel = LoadLibrary16( "gdi" );
108 ptr = (LPWORD)LOCAL_Lock(heap_sel, handle);
110 /* touch the "system" bit of the wMagic field of a GDIOBJHDR */
112 *(ptr+1) &= ~OBJECT_NOSYSTEM;
114 *(ptr+1) |= OBJECT_NOSYSTEM;
115 LOCAL_Unlock( heap_sel, handle );
119 /*************************************************************************
122 static void SYSCOLOR_SetColor( int index, COLORREF color )
124 if (index < 0 || index >= NUM_SYS_COLORS) return;
125 SysColors[index] = color;
126 if (SysColorBrushes[index])
128 SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), FALSE);
129 DeleteObject( SysColorBrushes[index] );
131 SysColorBrushes[index] = CreateSolidBrush( color );
132 SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), TRUE);
134 if (SysColorPens[index])
136 SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), FALSE);
137 DeleteObject( SysColorPens[index] );
139 SysColorPens[index] = CreatePen( PS_SOLID, 1, color );
140 SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), TRUE);
144 /*************************************************************************
147 void SYSCOLOR_Init(void)
151 BOOL bOk = FALSE, bNoReg = FALSE;
155 /* first, try to read the values from the registry */
156 if (RegCreateKeyExA(HKEY_CURRENT_USER, "Control Panel\\Colors", 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0))
158 for (i = 0; i < NUM_SYS_COLORS; i++)
161 /* first try, registry */
164 DWORD dwDataSize = sizeof(buffer);
165 if (!(RegQueryValueExA(hKey,DefSysColors[i*2], 0, 0, buffer, &dwDataSize)))
166 if (sscanf( buffer, "%d %d %d", &r, &g, &b ) == 3)
170 /* second try, win.ini */
172 { GetProfileStringA( "colors", DefSysColors[i*2], DefSysColors[i*2+1], buffer, 100 );
173 if (sscanf( buffer, " %d %d %d", &r, &g, &b ) == 3)
177 /* last chance, take the default */
179 { int iNumColors = sscanf( DefSysColors[i*2+1], " %d %d %d", &r, &g, &b );
180 assert (iNumColors==3);
183 SYSCOLOR_SetColor( i, RGB(r,g,b) );
188 h55AABitmap = CreateBitmap( 8, 8, 1, 1, wPattern55AA );
189 SYSCOLOR_55AABrush = CreatePatternBrush( h55AABitmap );
190 SYSCOLOR_MakeObjectSystem( HBRUSH_16(SYSCOLOR_55AABrush), TRUE );
194 /*************************************************************************
195 * GetSysColor (USER32.@)
197 COLORREF WINAPI GetSysColor( INT nIndex )
199 if (nIndex >= 0 && nIndex < NUM_SYS_COLORS)
200 return SysColors[nIndex];
206 /*************************************************************************
207 * SetSysColors (USER32.@)
209 BOOL WINAPI SetSysColors( INT nChanges, const INT *lpSysColor,
210 const COLORREF *lpColorValues )
214 for (i = 0; i < nChanges; i++)
216 SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] );
219 /* Send WM_SYSCOLORCHANGE message to all windows */
221 SendMessageTimeoutW( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0,
222 SMTO_ABORTIFHUNG, 2000, NULL );
224 /* Repaint affected portions of all visible windows */
226 RedrawWindow( GetDesktopWindow(), NULL, 0,
227 RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
231 /*************************************************************************
232 * SetSysColorsTemp (USER32.@)
236 * Called by W98SE desk.cpl Control Panel Applet:
237 * handle = SetSysColorsTemp(ptr, ptr, nCount); ("set" call)
238 * result = SetSysColorsTemp(NULL, NULL, handle); ("restore" call)
240 * pPens is an array of COLORREF values, which seems to be used
241 * to indicate the color values to create new pens with.
243 * pBrushes is an array of solid brush handles (returned by a previous
244 * CreateSolidBrush), which seems to contain the brush handles to set
245 * for the system colors.
247 * n seems to be used for
248 * a) indicating the number of entries to operate on (length of pPens,
250 * b) passing the handle that points to the previously used color settings.
251 * I couldn't figure out in hell what kind of handle this is on
252 * Windows. I just use a heap handle instead. Shouldn't matter anyway.
255 * heap handle of our own copy of the current syscolors in case of
256 * "set" call, i.e. pPens, pBrushes != NULL.
257 * TRUE (unconditionally !) in case of "restore" call,
258 * i.e. pPens, pBrushes == NULL.
259 * FALSE in case of either pPens != NULL and pBrushes == NULL
260 * or pPens == NULL and pBrushes != NULL.
262 * I'm not sure whether this implementation is 100% correct. [AM]
264 DWORD WINAPI SetSysColorsTemp( const COLORREF *pPens, const HBRUSH *pBrushes, DWORD n)
268 if (pPens && pBrushes) /* "set" call */
270 /* allocate our structure to remember old colors */
271 LPVOID pOldCol = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD)+n*sizeof(HPEN)+n*sizeof(HBRUSH));
273 *(DWORD *)p = n; p = (char*)p + sizeof(DWORD);
274 memcpy(p, SysColorPens, n*sizeof(HPEN)); p = (char*)p + n*sizeof(HPEN);
275 memcpy(p, SysColorBrushes, n*sizeof(HBRUSH)); p = (char*)p + n*sizeof(HBRUSH);
277 for (i=0; i < n; i++)
279 SysColorPens[i] = CreatePen( PS_SOLID, 1, pPens[i] );
280 SysColorBrushes[i] = pBrushes[i];
283 return (DWORD)pOldCol;
285 if ((!pPens) && (!pBrushes)) /* "restore" call */
287 LPVOID pOldCol = (LPVOID)n;
289 DWORD nCount = *(DWORD *)p;
290 p = (char*)p + sizeof(DWORD);
292 for (i=0; i < nCount; i++)
294 DeleteObject(SysColorPens[i]);
295 SysColorPens[i] = *(HPEN *)p; p = (char*)p + sizeof(HPEN);
297 for (i=0; i < nCount; i++)
299 SysColorBrushes[i] = *(HBRUSH *)p; p = (char*)p + sizeof(HBRUSH);
301 /* get rid of storage structure */
302 HeapFree(GetProcessHeap(), 0, pOldCol);
309 /***********************************************************************
310 * GetSysColorBrush (USER32.@)
312 HBRUSH WINAPI GetSysColorBrush( INT index )
314 if (0 <= index && index < NUM_SYS_COLORS)
315 return SysColorBrushes[index];
316 WARN("Unknown index(%d)\n", index );
317 return GetStockObject(LTGRAY_BRUSH);
321 /***********************************************************************
324 HPEN SYSCOLOR_GetPen( INT index )
326 /* We can assert here, because this function is internal to Wine */
327 assert (0 <= index && index < NUM_SYS_COLORS);
328 return SysColorPens[index];