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wine/windows/syscolor.c
Alexandre Julliard e37c6e18d0 Fixed header dependencies to be fully compatible with the Windows 
headers (with help from Dimitrie O. Paun).
2003-09-05 23:08:26 +00:00

387 lines
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/*
* 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 <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "wine/winbase16.h"
#include "wine/winuser16.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];
}
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