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Paint gray text on gray background in checkboxes/radiobuttons by 

stippling. Also changed the brush used in this case to give better
readability with X fonts.
This commit is contained in:
Dirk Thierbach 1999-03-14 13:39:28 +00:00 committed by Alexandre Julliard
parent 5aa96c1906
commit 09d9f2e53a
1 changed files with 44 additions and 13 deletions
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57
controls/button.c
View File

@ -12,8 +12,10 @@
#include "wine/winuser16.h"
#include "tweak.h"
static void PaintGrayOnGray( HDC hDC,HFONT hFont,RECT *rc,
char *text, UINT format );
static void PB_Paint( WND *wndPtr, HDC hDC, WORD action );
static void PB_PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text);
static void CB_Paint( WND *wndPtr, HDC hDC, WORD action );
static void GB_Paint( WND *wndPtr, HDC hDC, WORD action );
static void UB_Paint( WND *wndPtr, HDC hDC, WORD action );
@ -320,8 +322,9 @@ static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
GetObjectA( GetSysColorBrush(COLOR_BTNFACE), sizeof(lb), &lb );
if (wndPtr->dwStyle & WS_DISABLED &&
GetSysColor(COLOR_GRAYTEXT)==lb.lbColor)
/* don't write gray text on gray bkg */
PB_PaintGrayOnGray(hDC,infoPtr->hFont,&rc,wndPtr->text);
/* don't write gray text on gray background */
PaintGrayOnGray( hDC,infoPtr->hFont,&rc,wndPtr->text,
DT_CENTER | DT_VCENTER );
else
{
SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
@ -353,13 +356,28 @@ static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
/**********************************************************************
* Push Button sub function [internal]
* using a raster brush to avoid gray text on gray background
* PB_Paint & CB_Paint sub function [internal]
* Paint text using a raster brush to avoid gray text on gray
* background. 'format' can be a combination of DT_CENTER and
* DT_VCENTER to use this function in both PB_PAINT and
* CB_PAINT. - Dirk Thierbach
*
* FIXME: This and TEXT_GrayString should be eventually combined,
* so calling one common function from PB_Paint, CB_Paint and
* TEXT_GrayString will be enough. Also note that this
* function ignores the CACHE_GetPattern funcs.
*/
void PB_PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text)
void PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text,
UINT format)
{
static const int Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
/* This is the standard gray on gray pattern:
static const WORD Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
*/
/* This pattern gives better readability with X Fonts.
FIXME: Maybe the user should be allowed to decide which he wants. */
static const WORD Pattern[] = {0x55,0xFF,0xAA,0xFF,0x55,0xFF,0xAA,0xFF};
HBITMAP hbm = CreateBitmap( 8, 8, 1, 1, Pattern );
HDC hdcMem = CreateCompatibleDC(hDC);
HBITMAP hbmMem;
@ -368,19 +386,25 @@ void PB_PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text)
rect=*rc;
DrawTextA( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
/* now text width and height are in rect.right and rect.bottom */
rc2=rect;
rect.left=(rc->right-rect.right)/2; /* for centering text bitmap */
rect.top=(rc->bottom-rect.bottom)/2;
rect.left = rect.top = 0; /* drawing pos in hdcMem */
if (format & DT_CENTER) rect.left=(rc->right-rect.right)/2;
if (format & DT_VCENTER) rect.top=(rc->bottom-rect.bottom)/2;
hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom );
SelectObject( hdcMem, hbmMem);
hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
DeleteObject( hbm );
PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
/* will be overwritten by DrawText, but just in case */
if (hFont) SelectObject( hdcMem, hFont);
DrawTextA( hdcMem, text, -1, &rc2, DT_SINGLELINE);
PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xFA0089);
/* After draw: foreground = 0 bits, background = 1 bits */
hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
DeleteObject( hbm );
PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xAF0229);
/* only keep the foreground bits where pattern is 1 */
DeleteObject( SelectObject( hdcMem,hBr) );
BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,0x990000);
BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,SRCAND);
/* keep the background of the dest */
DeleteDC( hdcMem);
DeleteObject( hbmMem );
}
@ -449,6 +473,12 @@ static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
if( textlen && action != ODA_SELECT )
{
if (wndPtr->dwStyle & WS_DISABLED &&
GetSysColor(COLOR_GRAYTEXT)==GetBkColor(hDC)) {
/* don't write gray text on gray background */
PaintGrayOnGray( hDC, infoPtr->hFont, &rtext, wndPtr->text,
DT_VCENTER);
} else {
if (wndPtr->dwStyle & WS_DISABLED)
SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
DrawTextA( hDC, wndPtr->text, textlen, &rtext,
@ -456,6 +486,7 @@ static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
textlen = 0; /* skip DrawText() below */
}
}
}
if ((action == ODA_FOCUS) ||
((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))