windows/syscolor.c

   1 /*
   2  * Support for system colors
   3  *
   4  * Copyright  David W. Metcalfe, 1993
   5  * Copyright  Alexandre Julliard, 1994
   6  *
   7  */
   8
   9 #include <assert.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12
  13 #include "windef.h"
  14 #include "wingdi.h"
  15 #include "wine/winbase16.h"
  16 #include "wine/winuser16.h"
  17 #include "sysmetrics.h"
  18 #include "winbase.h"
  19 #include "winuser.h"
  20 #include "debugtools.h"
  21 #include "tweak.h"
  22 #include "winreg.h"
  23 #include "local.h"
  24 #include "gdi.h" /* sic */
  25
  26 DEFAULT_DEBUG_CHANNEL(syscolor)
  27
  28 static const char * const DefSysColors[] =
  29 {
  30     "Scrollbar", "224 224 224",      /* COLOR_SCROLLBAR           */
  31     "Background", "192 192 192",     /* COLOR_BACKGROUND          */
  32     "ActiveTitle", "0 64 128",       /* COLOR_ACTIVECAPTION       */
  33     "InactiveTitle", "255 255 255",  /* COLOR_INACTIVECAPTION     */
  34     "Menu", "255 255 255",           /* COLOR_MENU                */
  35     "Window", "255 255 255",         /* COLOR_WINDOW              */
  36     "WindowFrame", "0 0 0",          /* COLOR_WINDOWFRAME         */
  37     "MenuText", "0 0 0",             /* COLOR_MENUTEXT            */
  38     "WindowText", "0 0 0",           /* COLOR_WINDOWTEXT          */
  39     "TitleText", "255 255 255",      /* COLOR_CAPTIONTEXT         */
  40     "ActiveBorder", "128 128 128",   /* COLOR_ACTIVEBORDER        */
  41     "InactiveBorder", "255 255 255", /* COLOR_INACTIVEBORDER      */
  42     "AppWorkspace", "255 255 232",   /* COLOR_APPWORKSPACE        */
  43     "Hilight", "224 224 224",        /* COLOR_HIGHLIGHT           */
  44     "HilightText", "0 0 0",          /* COLOR_HIGHLIGHTTEXT       */
  45     "ButtonFace", "192 192 192",     /* COLOR_BTNFACE             */
  46     "ButtonShadow", "128 128 128",   /* COLOR_BTNSHADOW           */
  47     "GrayText", "192 192 192",       /* COLOR_GRAYTEXT            */
  48     "ButtonText", "0 0 0",           /* COLOR_BTNTEXT             */
  49     "InactiveTitleText", "0 0 0",    /* COLOR_INACTIVECAPTIONTEXT */
  50     "ButtonHilight", "255 255 255",  /* COLOR_BTNHIGHLIGHT        */
  51     "3DDarkShadow", "32 32 32",      /* COLOR_3DDKSHADOW          */
  52     "3DLight", "192 192 192",        /* COLOR_3DLIGHT             */
  53     "InfoText", "0 0 0",             /* COLOR_INFOTEXT            */
  54     "InfoBackground", "255 255 192", /* COLOR_INFOBK              */
  55     "AlternateButtonFace", "184 180 184",  /* COLOR_ALTERNATEBTNFACE */
  56     "HotTrackingColor", "0 0 255",         /* COLOR_HOTLIGHT */
  57     "GradientActiveTitle", "16 132 208",   /* COLOR_GRADIENTACTIVECAPTION */
  58     "GradientInactiveTitle", "181 181 181" /* COLOR_GRADIENTINACTIVECAPTION */
  59 };
  60
  61 static const char * const DefSysColors95[] =
  62 {
  63     "Scrollbar", "192 192 192",      /* COLOR_SCROLLBAR           */
  64     "Background", "0 128 128",       /* COLOR_BACKGROUND          */
  65     "ActiveTitle", "0 0 128",        /* COLOR_ACTIVECAPTION       */
  66     "InactiveTitle", "128 128 128",  /* COLOR_INACTIVECAPTION     */
  67     "Menu", "192 192 192",           /* COLOR_MENU                */
  68     "Window", "255 255 255",         /* COLOR_WINDOW              */
  69     "WindowFrame", "0 0 0",          /* COLOR_WINDOWFRAME         */
  70     "MenuText", "0 0 0",             /* COLOR_MENUTEXT            */
  71     "WindowText", "0 0 0",           /* COLOR_WINDOWTEXT          */
  72     "TitleText", "255 255 255",      /* COLOR_CAPTIONTEXT         */
  73     "ActiveBorder", "192 192 192",   /* COLOR_ACTIVEBORDER        */
  74     "InactiveBorder", "192 192 192", /* COLOR_INACTIVEBORDER      */
  75     "AppWorkspace", "128 128 128",   /* COLOR_APPWORKSPACE        */
  76     "Hilight", "0 0 128",            /* COLOR_HIGHLIGHT           */
  77     "HilightText", "255 255 255",    /* COLOR_HIGHLIGHTTEXT       */
  78     "ButtonFace", "192 192 192",     /* COLOR_BTNFACE             */
  79     "ButtonShadow", "128 128 128",   /* COLOR_BTNSHADOW           */
  80     "GrayText", "128 128 128",       /* COLOR_GRAYTEXT            */
  81     "ButtonText", "0 0 0",           /* COLOR_BTNTEXT             */
  82     "InactiveTitleText", "192 192 192",/* COLOR_INACTIVECAPTIONTEXT */
  83     "ButtonHilight", "255 255 255",  /* COLOR_BTNHIGHLIGHT        */
  84     "3DDarkShadow", "0 0 0",         /* COLOR_3DDKSHADOW          */
  85     "3DLight", "224 224 224",        /* COLOR_3DLIGHT             */
  86     "InfoText", "0 0 0",             /* COLOR_INFOTEXT            */
  87     "InfoBackground", "255 255 225", /* COLOR_INFOBK              */
  88     "AlternateButtonFace", "180 180 180",  /* COLOR_ALTERNATEBTNFACE */
  89     "HotTrackingColor", "0 0 255",         /* COLOR_HOTLIGHT */
  90     "GradientActiveTitle", "16 132 208",   /* COLOR_GRADIENTACTIVECAPTION */
  91     "GradientInactiveTitle", "181 181 181" /* COLOR_GRADIENTINACTIVECAPTION */
  92 };
  93
  94
  95 #define NUM_SYS_COLORS     (COLOR_GRADIENTINACTIVECAPTION+1)
  96
  97 static COLORREF SysColors[NUM_SYS_COLORS];
  98 static HBRUSH SysColorBrushes[NUM_SYS_COLORS];
  99 static HPEN   SysColorPens[NUM_SYS_COLORS];
 100
 101 #define MAKE_SOLID(color) \
 102        (PALETTEINDEX(GetNearestPaletteIndex(STOCK_DEFAULT_PALETTE,(color))))
 103
 104
 105 /*************************************************************************
 106  * SYSCOLOR_MakeObjectSystem
 107  *
 108  * OK, now for a very ugly hack.
 109  * USER somehow has to tell GDI that its system brushes and pens are
 110  * non-deletable.
 111  * We don't want to export a function from GDI doing this for us,
 112  * so we just do that ourselves by "wildly flipping some bits in memory".
 113  * For a description of the GDI object magics and their flags,
 114  * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
 115  */
 116 static void SYSCOLOR_MakeObjectSystem( HGDIOBJ handle, BOOL set)
 117 {
 118     static WORD GDI_heap_sel = 0;
 119     LPWORD ptr;
 120
 121     if (!GDI_heap_sel)
 122     {
 123         GDI_heap_sel = LoadLibrary16("gdi");
 124         FreeLibrary16(GDI_heap_sel);
 125     }
 126
 127     ptr = (LPWORD)LOCAL_Lock(GDI_heap_sel, handle);
 128
 129     /* touch the "system" bit of the wMagic field of a GDIOBJHDR */
 130     if (set)
 131         *(ptr+1) &= ~OBJECT_NOSYSTEM;
 132     else
 133         *(ptr+1) |= OBJECT_NOSYSTEM;
 134     LOCAL_Unlock( GDI_heap_sel, handle );
 135 }
 136
 137 /*************************************************************************
 138  *             SYSCOLOR_SetColor
 139  */
 140 static void SYSCOLOR_SetColor( int index, COLORREF color )
 141 {
 142     if (index < 0 || index >= NUM_SYS_COLORS) return;
 143     SysColors[index] = color;
 144     if (SysColorBrushes[index])
 145     {
 146         SYSCOLOR_MakeObjectSystem(SysColorBrushes[index], FALSE);
 147         DeleteObject( SysColorBrushes[index] );
 148     }
 149     SysColorBrushes[index] = CreateSolidBrush( color );
 150     SYSCOLOR_MakeObjectSystem(SysColorBrushes[index], TRUE);
 151
 152     if (SysColorPens[index])
 153     {
 154         SYSCOLOR_MakeObjectSystem(SysColorBrushes[index], FALSE);
 155         DeleteObject( SysColorPens[index] );
 156     }
 157     SysColorPens[index] = CreatePen( PS_SOLID, 1, color );
 158     SYSCOLOR_MakeObjectSystem(SysColorBrushes[index], TRUE);
 159 }
 160
 161
 162 /*************************************************************************
 163  *             SYSCOLOR_Init
 164  */
 165 void SYSCOLOR_Init(void)
 166 {
 167     int i, r, g, b;
 168     const char * const *p;
 169     char buffer[100];
 170     BOOL bOk = FALSE, bNoReg = FALSE;
 171     HKEY  hKey;
 172
 173     p = (TWEAK_WineLook == WIN31_LOOK) ? DefSysColors : DefSysColors95;
 174
 175     /* first, try to read the values from the registry */
 176     if (RegCreateKeyExA(HKEY_CURRENT_USER, "Control Panel\\Colors", 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0))
 177       bNoReg = TRUE;
 178     for (i = 0; i < NUM_SYS_COLORS; i++)
 179     { bOk = FALSE;
 180
 181       /* first try, registry */
 182       if (!bNoReg)
 183       {
 184         DWORD dwDataSize = sizeof(buffer);
 185         if (!(RegQueryValueExA(hKey,(LPSTR)p[i*2], 0, 0, buffer, &dwDataSize)))
 186           if (sscanf( buffer, "%d %d %d", &r, &g, &b ) == 3)
 187             bOk = TRUE;
 188       }
 189
 190       /* second try, win.ini */
 191       if (!bOk)
 192       { GetProfileStringA( "colors", p[i*2], p[i*2+1], buffer, 100 );
 193         if (sscanf( buffer, " %d %d %d", &r, &g, &b ) == 3)
 194           bOk = TRUE;
 195       }
 196
 197       /* last chance, take the default */
 198       if (!bOk)
 199       { int iNumColors = sscanf( p[i*2+1], " %d %d %d", &r, &g, &b );
 200         assert (iNumColors==3);
 201       }
 202
 203       SYSCOLOR_SetColor( i, RGB(r,g,b) );
 204     }
 205     if (!bNoReg)
 206       RegCloseKey(hKey);
 207 }
 208
 209
 210 /*************************************************************************
 211  *             GetSysColor16   (USER.180)
 212  */
 213 COLORREF WINAPI GetSysColor16( INT16 nIndex )
 214 {
 215     return GetSysColor (nIndex);
 216 }
 217
 218
 219 /*************************************************************************
 220  *             GetSysColor   (USER32.289)
 221  */
 222 COLORREF WINAPI GetSysColor( INT nIndex )
 223 {
 224     if (nIndex >= 0 && nIndex < NUM_SYS_COLORS)
 225         return SysColors[nIndex];
 226     else
 227         return 0;
 228 }
 229
 230
 231 /*************************************************************************
 232  *             SetSysColors16   (USER.181)
 233  */
 234 VOID WINAPI SetSysColors16( INT16 nChanges, const INT16 *lpSysColor,
 235                             const COLORREF *lpColorValues )
 236 {
 237     int i;
 238
 239     for (i = 0; i < nChanges; i++)
 240     {
 241         SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] );
 242     }
 243
 244     /* Send WM_SYSCOLORCHANGE message to all windows */
 245
 246     SendMessageA( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0 );
 247
 248     /* Repaint affected portions of all visible windows */
 249
 250     RedrawWindow( GetDesktopWindow(), NULL, 0,
 251                 RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
 252 }
 253
 254
 255 /*************************************************************************
 256  *             SetSysColors   (USER32.505)
 257  */
 258 BOOL WINAPI SetSysColors( INT nChanges, const INT *lpSysColor,
 259                               const COLORREF *lpColorValues )
 260 {
 261     int i;
 262
 263     for (i = 0; i < nChanges; i++)
 264     {
 265         SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] );
 266     }
 267
 268     /* Send WM_SYSCOLORCHANGE message to all windows */
 269
 270     SendMessageA( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0 );
 271
 272     /* Repaint affected portions of all visible windows */
 273
 274     RedrawWindow( GetDesktopWindow(), NULL, 0,
 275                 RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
 276     return TRUE;
 277 }
 278
 279
 280 /***********************************************************************
 281  *           GetSysColorBrush16    (USER.281)
 282  */
 283 HBRUSH16 WINAPI GetSysColorBrush16( INT16 index )
 284 {
 285     return (HBRUSH16)GetSysColorBrush(index);
 286 }
 287
 288
 289 /***********************************************************************
 290  *           GetSysColorBrush    (USER32.290)
 291  */
 292 HBRUSH WINAPI GetSysColorBrush( INT index )
 293 {
 294     if (0 <= index && index < NUM_SYS_COLORS)
 295         return SysColorBrushes[index];
 296     WARN("Unknown index(%d)\n", index );
 297     return GetStockObject(LTGRAY_BRUSH);
 298 }
 299
 300
 301 /***********************************************************************
 302  *           GetSysColorPen16    (Not a Windows API)
 303  */
 304 HPEN16 WINAPI GetSysColorPen16( INT16 index )
 305 {
 306     return (HPEN16)GetSysColorPen(index);
 307 }
 308
 309
 310 /***********************************************************************
 311  *           GetSysColorPen    (Not a Windows API)
 312  *
 313  * This function is new to the Wine lib -- it does not exist in
 314  * Windows. However, it is a natural complement for GetSysColorBrush
 315  * in the Win32 API and is needed quite a bit inside Wine.
 316  */
 317 HPEN WINAPI GetSysColorPen( INT index )
 318 {
 319     /* We can assert here, because this function is internal to Wine */
 320     assert (0 <= index && index < NUM_SYS_COLORS);
 321     return SysColorPens[index];
 322
 323 }