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"
37 #include "gdi.h" /* sic */
38 #include "wine/debug.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(syscolor);
42 static const char * const DefSysColors[] =
44 "Scrollbar", "192 192 192", /* COLOR_SCROLLBAR */
45 "Background", "0 128 128", /* COLOR_BACKGROUND */
46 "ActiveTitle", "0 0 128", /* COLOR_ACTIVECAPTION */
47 "InactiveTitle", "128 128 128", /* COLOR_INACTIVECAPTION */
48 "Menu", "192 192 192", /* COLOR_MENU */
49 "Window", "255 255 255", /* COLOR_WINDOW */
50 "WindowFrame", "0 0 0", /* COLOR_WINDOWFRAME */
51 "MenuText", "0 0 0", /* COLOR_MENUTEXT */
52 "WindowText", "0 0 0", /* COLOR_WINDOWTEXT */
53 "TitleText", "255 255 255", /* COLOR_CAPTIONTEXT */
54 "ActiveBorder", "192 192 192", /* COLOR_ACTIVEBORDER */
55 "InactiveBorder", "192 192 192", /* COLOR_INACTIVEBORDER */
56 "AppWorkSpace", "128 128 128", /* COLOR_APPWORKSPACE */
57 "Hilight", "0 0 128", /* COLOR_HIGHLIGHT */
58 "HilightText", "255 255 255", /* COLOR_HIGHLIGHTTEXT */
59 "ButtonFace", "192 192 192", /* COLOR_BTNFACE */
60 "ButtonShadow", "128 128 128", /* COLOR_BTNSHADOW */
61 "GrayText", "128 128 128", /* COLOR_GRAYTEXT */
62 "ButtonText", "0 0 0", /* COLOR_BTNTEXT */
63 "InactiveTitleText", "192 192 192",/* COLOR_INACTIVECAPTIONTEXT */
64 "ButtonHilight", "255 255 255", /* COLOR_BTNHIGHLIGHT */
65 "ButtonDkShadow", "0 0 0", /* COLOR_3DDKSHADOW */
66 "ButtonLight", "224 224 224", /* COLOR_3DLIGHT */
67 "InfoText", "0 0 0", /* COLOR_INFOTEXT */
68 "InfoWindow", "255 255 225", /* COLOR_INFOBK */
69 "ButtonAlternateFace", "180 180 180", /* COLOR_ALTERNATEBTNFACE */
70 "HotTrackingColor", "0 0 255", /* COLOR_HOTLIGHT */
71 "GradientActiveTitle", "16 132 208", /* COLOR_GRADIENTACTIVECAPTION */
72 "GradientInactiveTitle", "181 181 181" /* COLOR_GRADIENTINACTIVECAPTION */
76 #define NUM_SYS_COLORS (COLOR_GRADIENTINACTIVECAPTION+1)
78 static COLORREF SysColors[NUM_SYS_COLORS];
79 static HBRUSH SysColorBrushes[NUM_SYS_COLORS];
80 static HPEN SysColorPens[NUM_SYS_COLORS];
83 /*************************************************************************
84 * SYSCOLOR_MakeObjectSystem
86 * OK, now for a very ugly hack.
87 * USER somehow has to tell GDI that its system brushes and pens are
89 * We don't want to export a function from GDI doing this for us,
90 * so we just do that ourselves by "wildly flipping some bits in memory".
91 * For a description of the GDI object magics and their flags,
92 * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
94 static void SYSCOLOR_MakeObjectSystem( HGDIOBJ16 handle, BOOL set)
96 static WORD heap_sel = 0;
99 if (!heap_sel) heap_sel = LoadLibrary16( "gdi" );
102 ptr = (LPWORD)LOCAL_Lock(heap_sel, handle);
104 /* touch the "system" bit of the wMagic field of a GDIOBJHDR */
106 *(ptr+1) &= ~OBJECT_NOSYSTEM;
108 *(ptr+1) |= OBJECT_NOSYSTEM;
109 LOCAL_Unlock( heap_sel, handle );
113 /*************************************************************************
116 static void SYSCOLOR_SetColor( int index, COLORREF color )
118 if (index < 0 || index >= NUM_SYS_COLORS) return;
119 SysColors[index] = color;
120 if (SysColorBrushes[index])
122 SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), FALSE);
123 DeleteObject( SysColorBrushes[index] );
125 SysColorBrushes[index] = CreateSolidBrush( color );
126 SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), TRUE);
128 if (SysColorPens[index])
130 SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), FALSE);
131 DeleteObject( SysColorPens[index] );
133 SysColorPens[index] = CreatePen( PS_SOLID, 1, color );
134 SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), TRUE);
138 /*************************************************************************
141 void SYSCOLOR_Init(void)
145 BOOL bOk = FALSE, bNoReg = FALSE;
148 /* first, try to read the values from the registry */
149 if (RegCreateKeyExA(HKEY_CURRENT_USER, "Control Panel\\Colors", 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0))
151 for (i = 0; i < NUM_SYS_COLORS; i++)
154 /* first try, registry */
157 DWORD dwDataSize = sizeof(buffer);
158 if (!(RegQueryValueExA(hKey,(LPSTR)DefSysColors[i*2], 0, 0, buffer, &dwDataSize)))
159 if (sscanf( buffer, "%d %d %d", &r, &g, &b ) == 3)
163 /* second try, win.ini */
165 { GetProfileStringA( "colors", DefSysColors[i*2], DefSysColors[i*2+1], buffer, 100 );
166 if (sscanf( buffer, " %d %d %d", &r, &g, &b ) == 3)
170 /* last chance, take the default */
172 { int iNumColors = sscanf( DefSysColors[i*2+1], " %d %d %d", &r, &g, &b );
173 assert (iNumColors==3);
176 SYSCOLOR_SetColor( i, RGB(r,g,b) );
183 /*************************************************************************
184 * GetSysColor (USER.180)
186 COLORREF WINAPI GetSysColor16( INT16 nIndex )
188 return GetSysColor (nIndex);
192 /*************************************************************************
193 * GetSysColor (USER32.@)
195 COLORREF WINAPI GetSysColor( INT nIndex )
197 if (nIndex >= 0 && nIndex < NUM_SYS_COLORS)
198 return SysColors[nIndex];
204 /*************************************************************************
205 * SetSysColors (USER.181)
207 VOID WINAPI SetSysColors16( INT16 nChanges, const INT16 *lpSysColor,
208 const COLORREF *lpColorValues )
212 for (i = 0; i < nChanges; i++)
214 SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] );
217 /* Send WM_SYSCOLORCHANGE message to all windows */
219 SendMessageTimeoutW( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0,
220 SMTO_ABORTIFHUNG, 2000, NULL );
222 /* Repaint affected portions of all visible windows */
224 RedrawWindow( GetDesktopWindow(), NULL, 0,
225 RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
229 /*************************************************************************
230 * SetSysColors (USER32.@)
232 BOOL WINAPI SetSysColors( INT nChanges, const INT *lpSysColor,
233 const COLORREF *lpColorValues )
237 for (i = 0; i < nChanges; i++)
239 SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] );
242 /* Send WM_SYSCOLORCHANGE message to all windows */
244 SendMessageTimeoutW( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0,
245 SMTO_ABORTIFHUNG, 2000, NULL );
247 /* Repaint affected portions of all visible windows */
249 RedrawWindow( GetDesktopWindow(), NULL, 0,
250 RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
254 /*************************************************************************
255 * SetSysColorsTemp (USER32.@)
259 * Called by W98SE desk.cpl Control Panel Applet:
260 * handle = SetSysColorsTemp(ptr, ptr, nCount); ("set" call)
261 * result = SetSysColorsTemp(NULL, NULL, handle); ("restore" call)
263 * pPens is an array of COLORREF values, which seems to be used
264 * to indicate the color values to create new pens with.
266 * pBrushes is an array of solid brush handles (returned by a previous
267 * CreateSolidBrush), which seems to contain the brush handles to set
268 * for the system colors.
270 * n seems to be used for
271 * a) indicating the number of entries to operate on (length of pPens,
273 * b) passing the handle that points to the previously used color settings.
274 * I couldn't figure out in hell what kind of handle this is on
275 * Windows. I just use a heap handle instead. Shouldn't matter anyway.
278 * heap handle of our own copy of the current syscolors in case of
279 * "set" call, i.e. pPens, pBrushes != NULL.
280 * TRUE (unconditionally !) in case of "restore" call,
281 * i.e. pPens, pBrushes == NULL.
282 * FALSE in case of either pPens != NULL and pBrushes == NULL
283 * or pPens == NULL and pBrushes != NULL.
285 * I'm not sure whether this implementation is 100% correct. [AM]
287 DWORD WINAPI SetSysColorsTemp( const COLORREF *pPens, const HBRUSH *pBrushes, DWORD n)
291 if (pPens && pBrushes) /* "set" call */
293 /* allocate our structure to remember old colors */
294 LPVOID pOldCol = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD)+n*sizeof(HPEN)+n*sizeof(HBRUSH));
296 *(DWORD *)p = n; p = (char*)p + sizeof(DWORD);
297 memcpy(p, SysColorPens, n*sizeof(HPEN)); p = (char*)p + n*sizeof(HPEN);
298 memcpy(p, SysColorBrushes, n*sizeof(HBRUSH)); p = (char*)p + n*sizeof(HBRUSH);
300 for (i=0; i < n; i++)
302 SysColorPens[i] = CreatePen( PS_SOLID, 1, pPens[i] );
303 SysColorBrushes[i] = pBrushes[i];
306 return (DWORD)pOldCol;
308 if ((!pPens) && (!pBrushes)) /* "restore" call */
310 LPVOID pOldCol = (LPVOID)n;
312 DWORD nCount = *(DWORD *)p;
313 p = (char*)p + sizeof(DWORD);
315 for (i=0; i < nCount; i++)
317 DeleteObject(SysColorPens[i]);
318 SysColorPens[i] = *(HPEN *)p; p = (char*)p + sizeof(HPEN);
320 for (i=0; i < nCount; i++)
322 SysColorBrushes[i] = *(HBRUSH *)p; p = (char*)p + sizeof(HBRUSH);
324 /* get rid of storage structure */
325 HeapFree(GetProcessHeap(), 0, pOldCol);
332 /***********************************************************************
333 * GetSysColorBrush (USER32.@)
335 HBRUSH WINAPI GetSysColorBrush( INT index )
337 if (0 <= index && index < NUM_SYS_COLORS)
338 return SysColorBrushes[index];
339 WARN("Unknown index(%d)\n", index );
340 return GetStockObject(LTGRAY_BRUSH);
344 /***********************************************************************
347 HPEN SYSCOLOR_GetPen( INT index )
349 /* We can assert here, because this function is internal to Wine */
350 assert (0 <= index && index < NUM_SYS_COLORS);
351 return SysColorPens[index];