387 lines
13 KiB
C
387 lines
13 KiB
C
/*
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* Support for system colors
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*
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* Copyright David W. Metcalfe, 1993
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* Copyright Alexandre Julliard, 1994
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/winbase16.h"
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#include "wine/winuser16.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "wownt32.h"
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#include "winreg.h"
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#include "local.h"
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#include "user.h"
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#include "gdi.h" /* sic */
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(syscolor);
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static const char * const DefSysColors[] =
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{
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"Scrollbar", "224 224 224", /* COLOR_SCROLLBAR */
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"Background", "192 192 192", /* COLOR_BACKGROUND */
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"ActiveTitle", "0 64 128", /* COLOR_ACTIVECAPTION */
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"InactiveTitle", "255 255 255", /* COLOR_INACTIVECAPTION */
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"Menu", "255 255 255", /* COLOR_MENU */
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"Window", "255 255 255", /* COLOR_WINDOW */
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"WindowFrame", "0 0 0", /* COLOR_WINDOWFRAME */
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"MenuText", "0 0 0", /* COLOR_MENUTEXT */
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"WindowText", "0 0 0", /* COLOR_WINDOWTEXT */
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"TitleText", "255 255 255", /* COLOR_CAPTIONTEXT */
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"ActiveBorder", "128 128 128", /* COLOR_ACTIVEBORDER */
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"InactiveBorder", "255 255 255", /* COLOR_INACTIVEBORDER */
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"AppWorkspace", "255 255 232", /* COLOR_APPWORKSPACE */
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"Hilight", "224 224 224", /* COLOR_HIGHLIGHT */
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"HilightText", "0 0 0", /* COLOR_HIGHLIGHTTEXT */
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"ButtonFace", "192 192 192", /* COLOR_BTNFACE */
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"ButtonShadow", "128 128 128", /* COLOR_BTNSHADOW */
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"GrayText", "192 192 192", /* COLOR_GRAYTEXT */
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"ButtonText", "0 0 0", /* COLOR_BTNTEXT */
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"InactiveTitleText", "0 0 0", /* COLOR_INACTIVECAPTIONTEXT */
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"ButtonHilight", "255 255 255", /* COLOR_BTNHIGHLIGHT */
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"3DDarkShadow", "32 32 32", /* COLOR_3DDKSHADOW */
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"3DLight", "192 192 192", /* COLOR_3DLIGHT */
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"InfoText", "0 0 0", /* COLOR_INFOTEXT */
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"InfoBackground", "255 255 192", /* COLOR_INFOBK */
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"AlternateButtonFace", "184 180 184", /* COLOR_ALTERNATEBTNFACE */
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"HotTrackingColor", "0 0 255", /* COLOR_HOTLIGHT */
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"GradientActiveTitle", "16 132 208", /* COLOR_GRADIENTACTIVECAPTION */
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"GradientInactiveTitle", "181 181 181" /* COLOR_GRADIENTINACTIVECAPTION */
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};
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static const char * const DefSysColors95[] =
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{
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"Scrollbar", "192 192 192", /* COLOR_SCROLLBAR */
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"Background", "0 128 128", /* COLOR_BACKGROUND */
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"ActiveTitle", "0 0 128", /* COLOR_ACTIVECAPTION */
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"InactiveTitle", "128 128 128", /* COLOR_INACTIVECAPTION */
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"Menu", "192 192 192", /* COLOR_MENU */
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"Window", "255 255 255", /* COLOR_WINDOW */
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"WindowFrame", "0 0 0", /* COLOR_WINDOWFRAME */
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"MenuText", "0 0 0", /* COLOR_MENUTEXT */
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"WindowText", "0 0 0", /* COLOR_WINDOWTEXT */
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"TitleText", "255 255 255", /* COLOR_CAPTIONTEXT */
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"ActiveBorder", "192 192 192", /* COLOR_ACTIVEBORDER */
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"InactiveBorder", "192 192 192", /* COLOR_INACTIVEBORDER */
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"AppWorkspace", "128 128 128", /* COLOR_APPWORKSPACE */
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"Hilight", "0 0 128", /* COLOR_HIGHLIGHT */
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"HilightText", "255 255 255", /* COLOR_HIGHLIGHTTEXT */
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"ButtonFace", "192 192 192", /* COLOR_BTNFACE */
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"ButtonShadow", "128 128 128", /* COLOR_BTNSHADOW */
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"GrayText", "128 128 128", /* COLOR_GRAYTEXT */
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"ButtonText", "0 0 0", /* COLOR_BTNTEXT */
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"InactiveTitleText", "192 192 192",/* COLOR_INACTIVECAPTIONTEXT */
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"ButtonHilight", "255 255 255", /* COLOR_BTNHIGHLIGHT */
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"3DDarkShadow", "0 0 0", /* COLOR_3DDKSHADOW */
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"3DLight", "224 224 224", /* COLOR_3DLIGHT */
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"InfoText", "0 0 0", /* COLOR_INFOTEXT */
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"InfoBackground", "255 255 225", /* COLOR_INFOBK */
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"AlternateButtonFace", "180 180 180", /* COLOR_ALTERNATEBTNFACE */
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"HotTrackingColor", "0 0 255", /* COLOR_HOTLIGHT */
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"GradientActiveTitle", "16 132 208", /* COLOR_GRADIENTACTIVECAPTION */
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"GradientInactiveTitle", "181 181 181" /* COLOR_GRADIENTINACTIVECAPTION */
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};
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#define NUM_SYS_COLORS (COLOR_GRADIENTINACTIVECAPTION+1)
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static COLORREF SysColors[NUM_SYS_COLORS];
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static HBRUSH SysColorBrushes[NUM_SYS_COLORS];
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static HPEN SysColorPens[NUM_SYS_COLORS];
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/*************************************************************************
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* SYSCOLOR_MakeObjectSystem
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*
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* OK, now for a very ugly hack.
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* USER somehow has to tell GDI that its system brushes and pens are
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* non-deletable.
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* We don't want to export a function from GDI doing this for us,
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* so we just do that ourselves by "wildly flipping some bits in memory".
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* For a description of the GDI object magics and their flags,
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* see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
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*/
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static void SYSCOLOR_MakeObjectSystem( HGDIOBJ16 handle, BOOL set)
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{
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static WORD heap_sel = 0;
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LPWORD ptr;
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if (!heap_sel) heap_sel = LoadLibrary16( "gdi" );
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if (heap_sel >= 32)
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{
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ptr = (LPWORD)LOCAL_Lock(heap_sel, handle);
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/* touch the "system" bit of the wMagic field of a GDIOBJHDR */
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if (set)
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*(ptr+1) &= ~OBJECT_NOSYSTEM;
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else
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*(ptr+1) |= OBJECT_NOSYSTEM;
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LOCAL_Unlock( heap_sel, handle );
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}
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}
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/*************************************************************************
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* SYSCOLOR_SetColor
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*/
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static void SYSCOLOR_SetColor( int index, COLORREF color )
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{
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if (index < 0 || index >= NUM_SYS_COLORS) return;
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SysColors[index] = color;
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if (SysColorBrushes[index])
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{
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SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), FALSE);
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DeleteObject( SysColorBrushes[index] );
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}
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SysColorBrushes[index] = CreateSolidBrush( color );
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SYSCOLOR_MakeObjectSystem( HBRUSH_16(SysColorBrushes[index]), TRUE);
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if (SysColorPens[index])
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{
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SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), FALSE);
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DeleteObject( SysColorPens[index] );
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}
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SysColorPens[index] = CreatePen( PS_SOLID, 1, color );
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SYSCOLOR_MakeObjectSystem( HPEN_16(SysColorPens[index]), TRUE);
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}
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/*************************************************************************
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* SYSCOLOR_Init
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*/
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void SYSCOLOR_Init(void)
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{
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int i, r, g, b;
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const char * const *p;
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char buffer[100];
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BOOL bOk = FALSE, bNoReg = FALSE;
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HKEY hKey;
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p = (TWEAK_WineLook == WIN31_LOOK) ? DefSysColors : DefSysColors95;
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/* first, try to read the values from the registry */
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if (RegCreateKeyExA(HKEY_CURRENT_USER, "Control Panel\\Colors", 0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0))
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bNoReg = TRUE;
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for (i = 0; i < NUM_SYS_COLORS; i++)
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{ bOk = FALSE;
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/* first try, registry */
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if (!bNoReg)
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{
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DWORD dwDataSize = sizeof(buffer);
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if (!(RegQueryValueExA(hKey,(LPSTR)p[i*2], 0, 0, buffer, &dwDataSize)))
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if (sscanf( buffer, "%d %d %d", &r, &g, &b ) == 3)
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bOk = TRUE;
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}
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/* second try, win.ini */
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if (!bOk)
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{ GetProfileStringA( "colors", p[i*2], p[i*2+1], buffer, 100 );
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if (sscanf( buffer, " %d %d %d", &r, &g, &b ) == 3)
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bOk = TRUE;
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}
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/* last chance, take the default */
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if (!bOk)
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{ int iNumColors = sscanf( p[i*2+1], " %d %d %d", &r, &g, &b );
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assert (iNumColors==3);
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}
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SYSCOLOR_SetColor( i, RGB(r,g,b) );
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}
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if (!bNoReg)
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RegCloseKey(hKey);
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}
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/*************************************************************************
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* GetSysColor (USER.180)
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*/
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COLORREF WINAPI GetSysColor16( INT16 nIndex )
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{
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return GetSysColor (nIndex);
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}
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/*************************************************************************
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* GetSysColor (USER32.@)
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*/
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COLORREF WINAPI GetSysColor( INT nIndex )
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{
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if (nIndex >= 0 && nIndex < NUM_SYS_COLORS)
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return SysColors[nIndex];
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else
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return 0;
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}
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/*************************************************************************
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* SetSysColors (USER.181)
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*/
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VOID WINAPI SetSysColors16( INT16 nChanges, const INT16 *lpSysColor,
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const COLORREF *lpColorValues )
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{
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int i;
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for (i = 0; i < nChanges; i++)
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{
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SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] );
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}
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/* Send WM_SYSCOLORCHANGE message to all windows */
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SendMessageA( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0 );
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/* Repaint affected portions of all visible windows */
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RedrawWindow( GetDesktopWindow(), NULL, 0,
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RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
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}
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/*************************************************************************
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* SetSysColors (USER32.@)
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*/
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BOOL WINAPI SetSysColors( INT nChanges, const INT *lpSysColor,
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const COLORREF *lpColorValues )
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{
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int i;
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for (i = 0; i < nChanges; i++)
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{
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SYSCOLOR_SetColor( lpSysColor[i], lpColorValues[i] );
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}
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/* Send WM_SYSCOLORCHANGE message to all windows */
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SendMessageA( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0 );
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/* Repaint affected portions of all visible windows */
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RedrawWindow( GetDesktopWindow(), NULL, 0,
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RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
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return TRUE;
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}
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/*************************************************************************
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* SetSysColorsTemp (USER32.@)
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*
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* UNDOCUMENTED !!
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*
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* Called by W98SE desk.cpl Control Panel Applet:
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* handle = SetSysColorsTemp(ptr, ptr, nCount); ("set" call)
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* result = SetSysColorsTemp(NULL, NULL, handle); ("restore" call)
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*
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* pPens is an array of COLORREF values, which seems to be used
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* to indicate the color values to create new pens with.
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*
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* pBrushes is an array of solid brush handles (returned by a previous
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* CreateSolidBrush), which seems to contain the brush handles to set
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* for the system colors.
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*
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* n seems to be used for
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* a) indicating the number of entries to operate on (length of pPens,
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* pBrushes)
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* b) passing the handle that points to the previously used color settings.
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* I couldn't figure out in hell what kind of handle this is on
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* Windows. I just use a heap handle instead. Shouldn't matter anyway.
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*
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* RETURNS
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* heap handle of our own copy of the current syscolors in case of
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* "set" call, i.e. pPens, pBrushes != NULL.
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* TRUE (unconditionally !) in case of "restore" call,
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* i.e. pPens, pBrushes == NULL.
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* FALSE in case of either pPens != NULL and pBrushes == NULL
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* or pPens == NULL and pBrushes != NULL.
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*
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* I'm not sure whether this implementation is 100% correct. [AM]
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*/
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DWORD WINAPI SetSysColorsTemp( const COLORREF *pPens, const HBRUSH *pBrushes, DWORD n)
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{
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int i;
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if (pPens && pBrushes) /* "set" call */
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{
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/* allocate our structure to remember old colors */
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LPVOID pOldCol = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD)+n*sizeof(HPEN)+n*sizeof(HBRUSH));
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LPVOID p = pOldCol;
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*(DWORD *)p = n; p = (char*)p + sizeof(DWORD);
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memcpy(p, SysColorPens, n*sizeof(HPEN)); p = (char*)p + n*sizeof(HPEN);
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memcpy(p, SysColorBrushes, n*sizeof(HBRUSH)); p = (char*)p + n*sizeof(HBRUSH);
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for (i=0; i < n; i++)
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{
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SysColorPens[i] = CreatePen( PS_SOLID, 1, pPens[i] );
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SysColorBrushes[i] = pBrushes[i];
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}
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return (DWORD)pOldCol;
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}
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if ((!pPens) && (!pBrushes)) /* "restore" call */
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{
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LPVOID pOldCol = (LPVOID)n;
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LPVOID p = pOldCol;
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DWORD nCount = *(DWORD *)p;
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p = (char*)p + sizeof(DWORD);
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for (i=0; i < nCount; i++)
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{
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DeleteObject(SysColorPens[i]);
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SysColorPens[i] = *(HPEN *)p; p = (char*)p + sizeof(HPEN);
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}
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for (i=0; i < nCount; i++)
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{
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SysColorBrushes[i] = *(HBRUSH *)p; p = (char*)p + sizeof(HBRUSH);
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}
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/* get rid of storage structure */
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HeapFree(GetProcessHeap(), 0, pOldCol);
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return TRUE;
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}
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return FALSE;
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}
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/***********************************************************************
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* GetSysColorBrush (USER32.@)
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*/
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HBRUSH WINAPI GetSysColorBrush( INT index )
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{
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if (0 <= index && index < NUM_SYS_COLORS)
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return SysColorBrushes[index];
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WARN("Unknown index(%d)\n", index );
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return GetStockObject(LTGRAY_BRUSH);
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}
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/***********************************************************************
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* SYSCOLOR_GetPen
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*/
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HPEN SYSCOLOR_GetPen( INT index )
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{
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/* We can assert here, because this function is internal to Wine */
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assert (0 <= index && index < NUM_SYS_COLORS);
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return SysColorPens[index];
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}
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