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Support for ETO_GLYPH_INDEX in ExtTextOutW() function added. This makes

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Firefox 3 work.
This commit is contained in:
Konstantin Isakov 2009-02-02 20:24:25 +00:00
parent 18b355cda3
commit 3f245cb58a
2 changed files with 85 additions and 5 deletions
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78
src/mouseover_win32/TextOutHook.c
View file

@ -1,3 +1,11 @@
/*
* February 2, 2009: Konstantin Isakov <ikm@users.sf.net>
* Support for ETO_GLYPH_INDEX in ExtTextOutW() function added. This makes
* Firefox 3 work.
*/
#define _WIN32_WINNT 0x0500
#include "TextOutHook.h"
#include "GetWord.h"
#include "HookImportFunction.h"
@ -323,7 +331,77 @@ BOOL WINAPI ExtTextOutACallbackProc(HDC hdc, int nXStart, int nYStart, UINT fuOp
BOOL WINAPI ExtTextOutWCallbackProc(HDC hdc, int nXStart, int nYStart, UINT fuOptions, CONST RECT *lprc, LPCWSTR lpszString, UINT cbString, CONST INT *lpDx)
{
if (CurParams && CurParams->Active)
{
if ( fuOptions & ETO_GLYPH_INDEX )
{
LPGLYPHSET ranges;
WCHAR * allChars, * ptr, * restoredString;
WORD * allIndices;
unsigned x;
// Here we have to decode glyph indices back to chars. We do this
// by tedious and ineffective iteration.
//
ranges = malloc( GetFontUnicodeRanges( hdc, 0 ) );
GetFontUnicodeRanges( hdc, ranges );
// Render up all available chars into one ridiculously big string
allChars = malloc( ( ranges->cGlyphsSupported ) * sizeof( WCHAR ) );
allIndices = malloc( ( ranges->cGlyphsSupported ) * sizeof( WORD ) );
ptr = allChars;
for( x = 0; x < ranges->cRanges; ++x )
{
WCHAR c = ranges->ranges[ x ].wcLow;
unsigned y = ranges->ranges[ x ].cGlyphs;
while( y-- )
*ptr++ = c++;
}
// Amazing. Now get glyph indices for this one nice string.
GetGlyphIndicesW( hdc, allChars, ranges->cGlyphsSupported, allIndices,
GGI_MARK_NONEXISTING_GLYPHS );
// Fascinating. Now translate our original input string back into
// its readable form.
restoredString = malloc( cbString * sizeof( WCHAR ) );
for( x = 0; x < cbString; ++x )
{
unsigned y;
WORD idx = lpszString[ x ];
for( y = 0; y < ranges->cGlyphsSupported; ++y )
if ( allIndices[ y ] == idx )
{
restoredString[ x ] = allChars[ y ];
break;
}
if ( y == ranges->cGlyphsSupported )
{
// Not found
restoredString[ x ] = L'?';
}
}
// And we're done.
free( allIndices );
free( allChars );
free( ranges );
IsInsidePointW( hdc, nXStart, nYStart, restoredString, cbString );
free( restoredString );
}
else
IsInsidePointW(hdc, nXStart, nYStart, lpszString, cbString);
}
return ExtTextOutWNextHook(hdc, nXStart, nYStart, fuOptions, lprc, lpszString, cbString, lpDx);
}

10
src/mouseover_win32/readme.txt
View file

@ -1,7 +1,9 @@
These files were taken straight from StarDict 3.0.1. They didn't seem to
bear any copyright notices, and as such, no new notices were added.
The only changes made were renaming some global ids to make sure that running
StarDict and GoldenDict simultaneously wouldn't interfere with each other.
bear any copyright notices, and as such, no new initial notices were added.
Some global ids were changed to make sure that StarDict and GoldenDict
wouldn't interfere with each other when running simultaneously. Also,
Firefox 3 was made to work by implementing ETO_GLYPH_INDEX in ExtTextOutW()
function.
The Makefile is made for mingw32 cross-compilation, and is completely separate
from the main program.
from the main program build.