|  | /* | 
|  | * Support for system colors | 
|  | * | 
|  | * Copyright  David W. Metcalfe, 1993 | 
|  | * Copyright  Alexandre Julliard, 1994 | 
|  | * | 
|  | * 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 <assert.h> | 
|  | #include <stdio.h> | 
|  | #include <stdlib.h> | 
|  |  | 
|  | #include "windef.h" | 
|  | #include "wingdi.h" | 
|  | #include "wine/winbase16.h" | 
|  | #include "wine/winuser16.h" | 
|  | #include "winbase.h" | 
|  | #include "winuser.h" | 
|  | #include "wownt32.h" | 
|  | #include "winreg.h" | 
|  | #include "local.h" | 
|  | #include "user.h" | 
|  | #include "gdi.h" /* sic */ | 
|  | #include "wine/debug.h" | 
|  |  | 
|  | WINE_DEFAULT_DEBUG_CHANNEL(syscolor); | 
|  |  | 
|  | static const char * const DefSysColors[] = | 
|  | { | 
|  | "Scrollbar", "224 224 224",      /* COLOR_SCROLLBAR           */ | 
|  | "Background", "192 192 192",     /* COLOR_BACKGROUND          */ | 
|  | "ActiveTitle", "0 64 128",       /* COLOR_ACTIVECAPTION       */ | 
|  | "InactiveTitle", "255 255 255",  /* COLOR_INACTIVECAPTION     */ | 
|  | "Menu", "255 255 255",           /* COLOR_MENU                */ | 
|  | "Window", "255 255 255",         /* COLOR_WINDOW              */ | 
|  | "WindowFrame", "0 0 0",          /* COLOR_WINDOWFRAME         */ | 
|  | "MenuText", "0 0 0",             /* COLOR_MENUTEXT            */ | 
|  | "WindowText", "0 0 0",           /* COLOR_WINDOWTEXT          */ | 
|  | "TitleText", "255 255 255",      /* COLOR_CAPTIONTEXT         */ | 
|  | "ActiveBorder", "128 128 128",   /* COLOR_ACTIVEBORDER        */ | 
|  | "InactiveBorder", "255 255 255", /* COLOR_INACTIVEBORDER      */ | 
|  | "AppWorkspace", "255 255 232",   /* COLOR_APPWORKSPACE        */ | 
|  | "Hilight", "224 224 224",        /* COLOR_HIGHLIGHT           */ | 
|  | "HilightText", "0 0 0",          /* COLOR_HIGHLIGHTTEXT       */ | 
|  | "ButtonFace", "192 192 192",     /* COLOR_BTNFACE             */ | 
|  | "ButtonShadow", "128 128 128",   /* COLOR_BTNSHADOW           */ | 
|  | "GrayText", "192 192 192",       /* COLOR_GRAYTEXT            */ | 
|  | "ButtonText", "0 0 0",           /* COLOR_BTNTEXT             */ | 
|  | "InactiveTitleText", "0 0 0",    /* COLOR_INACTIVECAPTIONTEXT */ | 
|  | "ButtonHilight", "255 255 255",  /* COLOR_BTNHIGHLIGHT        */ | 
|  | "3DDarkShadow", "32 32 32",      /* COLOR_3DDKSHADOW          */ | 
|  | "3DLight", "192 192 192",        /* COLOR_3DLIGHT             */ | 
|  | "InfoText", "0 0 0",             /* COLOR_INFOTEXT            */ | 
|  | "InfoBackground", "255 255 192", /* COLOR_INFOBK              */ | 
|  | "AlternateButtonFace", "184 180 184",  /* COLOR_ALTERNATEBTNFACE */ | 
|  | "HotTrackingColor", "0 0 255",         /* COLOR_HOTLIGHT */ | 
|  | "GradientActiveTitle", "16 132 208",   /* COLOR_GRADIENTACTIVECAPTION */ | 
|  | "GradientInactiveTitle", "181 181 181" /* COLOR_GRADIENTINACTIVECAPTION */ | 
|  | }; | 
|  |  | 
|  | static const char * const DefSysColors95[] = | 
|  | { | 
|  | "Scrollbar", "192 192 192",      /* COLOR_SCROLLBAR           */ | 
|  | "Background", "0 128 128",       /* COLOR_BACKGROUND          */ | 
|  | "ActiveTitle", "0 0 128",        /* COLOR_ACTIVECAPTION       */ | 
|  | "InactiveTitle", "128 128 128",  /* COLOR_INACTIVECAPTION     */ | 
|  | "Menu", "192 192 192",           /* COLOR_MENU                */ | 
|  | "Window", "255 255 255",         /* COLOR_WINDOW              */ | 
|  | "WindowFrame", "0 0 0",          /* COLOR_WINDOWFRAME         */ | 
|  | "MenuText", "0 0 0",             /* COLOR_MENUTEXT            */ | 
|  | "WindowText", "0 0 0",           /* COLOR_WINDOWTEXT          */ | 
|  | "TitleText", "255 255 255",      /* COLOR_CAPTIONTEXT         */ | 
|  | "ActiveBorder", "192 192 192",   /* COLOR_ACTIVEBORDER        */ | 
|  | "InactiveBorder", "192 192 192", /* COLOR_INACTIVEBORDER      */ | 
|  | "AppWorkspace", "128 128 128",   /* COLOR_APPWORKSPACE        */ | 
|  | "Hilight", "0 0 128",            /* COLOR_HIGHLIGHT           */ | 
|  | "HilightText", "255 255 255",    /* COLOR_HIGHLIGHTTEXT       */ | 
|  | "ButtonFace", "192 192 192",     /* COLOR_BTNFACE             */ | 
|  | "ButtonShadow", "128 128 128",   /* COLOR_BTNSHADOW           */ | 
|  | "GrayText", "128 128 128",       /* COLOR_GRAYTEXT            */ | 
|  | "ButtonText", "0 0 0",           /* COLOR_BTNTEXT             */ | 
|  | "InactiveTitleText", "192 192 192",/* COLOR_INACTIVECAPTIONTEXT */ | 
|  | "ButtonHilight", "255 255 255",  /* COLOR_BTNHIGHLIGHT        */ | 
|  | "3DDarkShadow", "0 0 0",         /* COLOR_3DDKSHADOW          */ | 
|  | "3DLight", "224 224 224",        /* COLOR_3DLIGHT             */ | 
|  | "InfoText", "0 0 0",             /* COLOR_INFOTEXT            */ | 
|  | "InfoBackground", "255 255 225", /* COLOR_INFOBK              */ | 
|  | "AlternateButtonFace", "180 180 180",  /* COLOR_ALTERNATEBTNFACE */ | 
|  | "HotTrackingColor", "0 0 255",         /* COLOR_HOTLIGHT */ | 
|  | "GradientActiveTitle", "16 132 208",   /* COLOR_GRADIENTACTIVECAPTION */ | 
|  | "GradientInactiveTitle", "181 181 181" /* COLOR_GRADIENTINACTIVECAPTION */ | 
|  | }; | 
|  |  | 
|  |  | 
|  | #define NUM_SYS_COLORS     (COLOR_GRADIENTINACTIVECAPTION+1) | 
|  |  | 
|  | static COLORREF SysColors[NUM_SYS_COLORS]; | 
|  | static HBRUSH SysColorBrushes[NUM_SYS_COLORS]; | 
|  | static HPEN   SysColorPens[NUM_SYS_COLORS]; | 
|  |  | 
|  |  | 
|  | /************************************************************************* | 
|  | * SYSCOLOR_MakeObjectSystem | 
|  | * | 
|  | * OK, now for a very ugly hack. | 
|  | * USER somehow has to tell GDI that its system brushes and pens are | 
|  | * non-deletable. | 
|  | * We don't want to export a function from GDI doing this for us, | 
|  | * so we just do that ourselves by "wildly flipping some bits in memory". | 
|  | * For a description of the GDI object magics and their flags, | 
|  | * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though). | 
|  | */ | 
|  | static void SYSCOLOR_MakeObjectSystem( HGDIOBJ16 handle, BOOL set) | 
|  | { | 
|  | static WORD heap_sel = 0; | 
|  | LPWORD ptr; | 
|  |  | 
|  | if (!heap_sel) heap_sel = LoadLibrary16( "gdi" ); | 
|  | if (heap_sel >= 32) | 
|  | { | 
|  | ptr = (LPWORD)LOCAL_Lock(heap_sel, handle); | 
|  |  | 
|  | /* touch the "system" bit of the wMagic field of a GDIOBJHDR */ | 
|  | if (set) | 
|  | *(ptr+1) &= ~OBJECT_NOSYSTEM; | 
|  | else | 
|  | *(ptr+1) |= OBJECT_NOSYSTEM; | 
|  | LOCAL_Unlock( heap_sel, handle ); | 
|  | } | 
|  | } | 
|  |  | 
|  | /************************************************************************* | 
|  | *             SYSCOLOR_SetColor | 
|  | */ | 
|  | static void SYSCOLOR_SetColor( int index, COLORREF color ) | 
|  | { | 
|  | if (index < 0 || index >= NUM_SYS_COLORS) return; | 
|  | SysColors[index] = color; | 
|  | if (SysColorBrushes[index]) | 
|  | { | 
|  | SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), FALSE); | 
|  | DeleteObject( SysColorBrushes[index] ); | 
|  | } | 
|  | SysColorBrushes[index] = CreateSolidBrush( color ); | 
|  | SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), TRUE); | 
|  |  | 
|  | if (SysColorPens[index]) | 
|  | { | 
|  | SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), FALSE); | 
|  | DeleteObject( SysColorPens[index] ); | 
|  | } | 
|  | SysColorPens[index] = CreatePen( PS_SOLID, 1, color ); | 
|  | SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), TRUE); | 
|  | } | 
|  |  | 
|  |  | 
|  | /************************************************************************* | 
|  | *             SYSCOLOR_Init | 
|  | */ | 
|  | void SYSCOLOR_Init(void) | 
|  | { | 
|  | int i, r, g, b; | 
|  | const char * const *p; | 
|  | char buffer[100]; | 
|  | BOOL bOk = FALSE, bNoReg = FALSE; | 
|  | HKEY  hKey; | 
|  |  | 
|  | p = (TWEAK_WineLook == WIN31_LOOK) ? DefSysColors : DefSysColors95; | 
|  |  | 
|  | /* first, try to read the values from the registry */ | 
|  | if (RegCreateKeyExA(HKEY_CURRENT_USER, "Control Panel\\Colors", 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0)) | 
|  | bNoReg = TRUE; | 
|  | for (i = 0; i < NUM_SYS_COLORS; i++) | 
|  | { bOk = FALSE; | 
|  |  | 
|  | /* first try, registry */ | 
|  | if (!bNoReg) | 
|  | { | 
|  | DWORD dwDataSize = sizeof(buffer); | 
|  | if (!(RegQueryValueExA(hKey,(LPSTR)p[i*2], 0, 0, buffer, &dwDataSize))) | 
|  | if (sscanf( buffer, "%d %d %d", &r, &g, &b ) == 3) | 
|  | bOk = TRUE; | 
|  | } | 
|  |  | 
|  | /* second try, win.ini */ | 
|  | if (!bOk) | 
|  | { GetProfileStringA( "colors", p[i*2], p[i*2+1], buffer, 100 ); | 
|  | if (sscanf( buffer, " %d %d %d", &r, &g, &b ) == 3) | 
|  | bOk = TRUE; | 
|  | } | 
|  |  | 
|  | /* last chance, take the default */ | 
|  | if (!bOk) | 
|  | { int iNumColors = sscanf( p[i*2+1], " %d %d %d", &r, &g, &b ); | 
|  | assert (iNumColors==3); | 
|  | } | 
|  |  | 
|  | SYSCOLOR_SetColor( i, RGB(r,g,b) ); | 
|  | } | 
|  | if (!bNoReg) | 
|  | RegCloseKey(hKey); | 
|  | } | 
|  |  | 
|  |  | 
|  | /************************************************************************* | 
|  | *		GetSysColor (USER.180) | 
|  | */ | 
|  | COLORREF WINAPI GetSysColor16( INT16 nIndex ) | 
|  | { | 
|  | return GetSysColor (nIndex); | 
|  | } | 
|  |  | 
|  |  | 
|  | /************************************************************************* | 
|  | *		GetSysColor (USER32.@) | 
|  | */ | 
|  | COLORREF WINAPI GetSysColor( INT nIndex ) | 
|  | { | 
|  | if (nIndex >= 0 && nIndex < NUM_SYS_COLORS) | 
|  | return SysColors[nIndex]; | 
|  | else | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | /************************************************************************* | 
|  | *		SetSysColors (USER.181) | 
|  | */ | 
|  | VOID WINAPI SetSysColors16( INT16 nChanges, const INT16 *lpSysColor, | 
|  | const COLORREF *lpColorValues ) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < nChanges; i++) | 
|  | { | 
|  | SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] ); | 
|  | } | 
|  |  | 
|  | /* Send WM_SYSCOLORCHANGE message to all windows */ | 
|  |  | 
|  | SendMessageA( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0 ); | 
|  |  | 
|  | /* Repaint affected portions of all visible windows */ | 
|  |  | 
|  | RedrawWindow( GetDesktopWindow(), NULL, 0, | 
|  | RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN ); | 
|  | } | 
|  |  | 
|  |  | 
|  | /************************************************************************* | 
|  | *		SetSysColors (USER32.@) | 
|  | */ | 
|  | BOOL WINAPI SetSysColors( INT nChanges, const INT *lpSysColor, | 
|  | const COLORREF *lpColorValues ) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < nChanges; i++) | 
|  | { | 
|  | SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] ); | 
|  | } | 
|  |  | 
|  | /* Send WM_SYSCOLORCHANGE message to all windows */ | 
|  |  | 
|  | SendMessageA( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0 ); | 
|  |  | 
|  | /* Repaint affected portions of all visible windows */ | 
|  |  | 
|  | RedrawWindow( GetDesktopWindow(), NULL, 0, | 
|  | RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN ); | 
|  | return TRUE; | 
|  | } | 
|  |  | 
|  | /************************************************************************* | 
|  | *		SetSysColorsTemp (USER32.@) | 
|  | * | 
|  | * UNDOCUMENTED !! | 
|  | * | 
|  | * Called by W98SE desk.cpl Control Panel Applet: | 
|  | * handle = SetSysColorsTemp(ptr, ptr, nCount);     ("set" call) | 
|  | * result = SetSysColorsTemp(NULL, NULL, handle);   ("restore" call) | 
|  | * | 
|  | * pPens is an array of COLORREF values, which seems to be used | 
|  | * to indicate the color values to create new pens with. | 
|  | * | 
|  | * pBrushes is an array of solid brush handles (returned by a previous | 
|  | * CreateSolidBrush), which seems to contain the brush handles to set | 
|  | * for the system colors. | 
|  | * | 
|  | * n seems to be used for | 
|  | *   a) indicating the number of entries to operate on (length of pPens, | 
|  | *      pBrushes) | 
|  | *   b) passing the handle that points to the previously used color settings. | 
|  | *      I couldn't figure out in hell what kind of handle this is on | 
|  | *      Windows. I just use a heap handle instead. Shouldn't matter anyway. | 
|  | * | 
|  | * RETURNS | 
|  | *     heap handle of our own copy of the current syscolors in case of | 
|  | *                 "set" call, i.e. pPens, pBrushes != NULL. | 
|  | *     TRUE (unconditionally !) in case of "restore" call, | 
|  | *          i.e. pPens, pBrushes == NULL. | 
|  | *     FALSE in case of either pPens != NULL and pBrushes == NULL | 
|  | *          or pPens == NULL and pBrushes != NULL. | 
|  | * | 
|  | * I'm not sure whether this implementation is 100% correct. [AM] | 
|  | */ | 
|  | DWORD WINAPI SetSysColorsTemp( const COLORREF *pPens, const HBRUSH *pBrushes, DWORD n) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | if (pPens && pBrushes) /* "set" call */ | 
|  | { | 
|  | /* allocate our structure to remember old colors */ | 
|  | LPVOID pOldCol = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD)+n*sizeof(HPEN)+n*sizeof(HBRUSH)); | 
|  | LPVOID p = pOldCol; | 
|  | *(DWORD *)p = n; p = (char*)p + sizeof(DWORD); | 
|  | memcpy(p, SysColorPens, n*sizeof(HPEN)); p = (char*)p + n*sizeof(HPEN); | 
|  | memcpy(p, SysColorBrushes, n*sizeof(HBRUSH)); p = (char*)p + n*sizeof(HBRUSH); | 
|  |  | 
|  | for (i=0; i < n; i++) | 
|  | { | 
|  | SysColorPens[i] = CreatePen( PS_SOLID, 1, pPens[i] ); | 
|  | SysColorBrushes[i] = pBrushes[i]; | 
|  | } | 
|  |  | 
|  | return (DWORD)pOldCol; | 
|  | } | 
|  | if ((!pPens) && (!pBrushes)) /* "restore" call */ | 
|  | { | 
|  | LPVOID pOldCol = (LPVOID)n; | 
|  | LPVOID p = pOldCol; | 
|  | DWORD nCount = *(DWORD *)p; | 
|  | p = (char*)p + sizeof(DWORD); | 
|  |  | 
|  | for (i=0; i < nCount; i++) | 
|  | { | 
|  | DeleteObject(SysColorPens[i]); | 
|  | SysColorPens[i] = *(HPEN *)p; p = (char*)p + sizeof(HPEN); | 
|  | } | 
|  | for (i=0; i < nCount; i++) | 
|  | { | 
|  | SysColorBrushes[i] = *(HBRUSH *)p; p = (char*)p + sizeof(HBRUSH); | 
|  | } | 
|  | /* get rid of storage structure */ | 
|  | HeapFree(GetProcessHeap(), 0, pOldCol); | 
|  |  | 
|  | return TRUE; | 
|  | } | 
|  | return FALSE; | 
|  | } | 
|  |  | 
|  | /*********************************************************************** | 
|  | *		GetSysColorBrush (USER32.@) | 
|  | */ | 
|  | HBRUSH WINAPI GetSysColorBrush( INT index ) | 
|  | { | 
|  | if (0 <= index && index < NUM_SYS_COLORS) | 
|  | return SysColorBrushes[index]; | 
|  | WARN("Unknown index(%d)\n", index ); | 
|  | return GetStockObject(LTGRAY_BRUSH); | 
|  | } | 
|  |  | 
|  |  | 
|  | /*********************************************************************** | 
|  | *		SYSCOLOR_GetPen | 
|  | */ | 
|  | HPEN SYSCOLOR_GetPen( INT index ) | 
|  | { | 
|  | /* We can assert here, because this function is internal to Wine */ | 
|  | assert (0 <= index && index < NUM_SYS_COLORS); | 
|  | return SysColorPens[index]; | 
|  |  | 
|  | } |