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- links can now spread across several elements 

- link information is now shared between file & presentation
- first try at handling metafiles
This commit is contained in:
Eric Pouech 2002-12-16 22:11:11 +00:00 committed by Alexandre Julliard
parent d1ae001774
commit ddaacaa0d8
5 changed files with 464 additions and 334 deletions
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18
programs/winhelp/hlp2sgml.c
View File

@ -257,7 +257,8 @@ int main(int argc, char **argv)
if (paragraph->u.text.wFont)
printf(format.end_boldface);
break;
case para_image:
case para_bitmap:
case para_metafile:
break;
}
}
@ -332,11 +333,26 @@ HBITMAP WINAPI CreateDIBitmap(HDC hdc, CONST BITMAPINFOHEADER* bih, DWORD a, CON
return 0;
}
HMETAFILE WINAPI SetMetaFileBitsEx(UINT cbBuffer, CONST BYTE *lpbBuffer)
{
return 0;
}
BOOL WINAPI DeleteMetaFile(HMETAFILE h)
{
return 0;
}
HDC WINAPI GetDC(HWND h)
{
return 0;
}
int WINAPI ReleaseDC(HWND h, HDC hdc)
{
return 0;
}
BOOL WINAPI DeleteObject(HGDIOBJ h)
{
return TRUE;

576
programs/winhelp/hlpfile.c
View File

@ -30,12 +30,20 @@
WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
#define GET_USHORT(buffer, i)\
(((BYTE)((buffer)[(i)]) + 0x100 * (BYTE)((buffer)[(i)+1])))
#define GET_SHORT(buffer, i)\
(((BYTE)((buffer)[(i)]) + 0x100 * (signed char)((buffer)[(i)+1])))
#define GET_UINT(buffer, i)\
GET_USHORT(buffer, i) + 0x10000 * GET_USHORT(buffer, i+2)
static inline unsigned short GET_USHORT(const BYTE* buffer, unsigned i)
{
return (BYTE)buffer[i] + 0x100 * (BYTE)buffer[i + 1];
}
static inline short GET_SHORT(const BYTE* buffer, unsigned i)
{
return (BYTE)buffer[i] + 0x100 * (signed char)buffer[i+1];
}
static inline unsigned GET_UINT(const BYTE* buffer, unsigned i)
{
return GET_USHORT(buffer, i) + 0x10000 * GET_USHORT(buffer, i + 2);
}
static HLPFILE *first_hlpfile = 0;
static BYTE *file_buffer;
@ -56,15 +64,11 @@ static struct
static struct
{
UINT bDebug;
UINT wFont;
UINT wIndent;
UINT wHSpace;
UINT wVSpace;
UINT wVBackSpace;
HLPFILE_LINK link;
HBITMAP hBitmap;
UINT bmpPos;
HLPFILE_LINK* link;
} attributes;
static BOOL HLPFILE_DoReadHlpFile(HLPFILE*, LPCSTR);
@ -99,6 +103,8 @@ HLPFILE_PAGE *HLPFILE_PageByNumber(LPCSTR lpszPath, UINT wNum)
for (page = hlpfile->first_page; page && wNum; page = page->next) wNum--;
/* HLPFILE_FreeHlpFile(lpszPath); */
return page;
}
@ -209,7 +215,7 @@ HLPFILE *HLPFILE_ReadHlpFile(LPCSTR lpszPath)
for (hlpfile = first_hlpfile; hlpfile; hlpfile = hlpfile->next)
{
if (!lstrcmp(hlpfile->lpszPath, lpszPath))
if (!strcmp(lpszPath, hlpfile->lpszPath))
{
hlpfile->wRefCount++;
return hlpfile;
@ -463,7 +469,7 @@ static unsigned long fetch_ulong(BYTE** ptr)
(*ptr) += 2;
}
return ret;
}
}
static short fetch_short(BYTE** ptr)
{
@ -500,155 +506,228 @@ static unsigned short fetch_ushort(BYTE** ptr)
}
/******************************************************************
* HLPFILE_LoadPictureByAddr
* HLPFILE_DecompressGfx
*
* Decompress the data part of a bitmap or a metafile
*/
static BYTE* HLPFILE_DecompressGfx(BYTE* src, unsigned csz, unsigned sz, BYTE packing)
{
BYTE* dst;
BYTE* tmp;
BYTE* tmp2;
unsigned sz77;
WINE_TRACE("Unpacking (%d) from %u bytes to %u bytes\n", packing, csz, sz);
switch (packing)
{
case 0: /* uncompressed */
if (sz != csz)
WINE_WARN("Bogus gfx sizes: %u / %u\n", sz, csz);
dst = src;
break;
case 1: /* RunLen */
tmp = dst = HeapAlloc(GetProcessHeap(), 0, sz);
if (!dst) return NULL;
HLPFILE_UncompressRLE(src, csz, &tmp);
if (tmp - dst != sz)
WINE_FIXME("Bogus gfx sizes: %u/%u\n", tmp - dst, sz);
break;
case 2: /* LZ77 */
sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
dst = HeapAlloc(GetProcessHeap(), 0, sz77);
if (!dst) return NULL;
HLPFILE_UncompressLZ77(src, src + csz, dst);
if (sz77 != sz)
WINE_WARN("Bogus gfx sizes: %u / %u\n", sz77, sz);
break;
case 3: /* LZ77 then RLE */
sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
tmp = HeapAlloc(GetProcessHeap(), 0, sz/*sz77*/);
if (!tmp) return FALSE;
HLPFILE_UncompressLZ77(src, src + csz, tmp);
dst = tmp2 = HeapAlloc(GetProcessHeap(), 0, sz);
if (!dst) return FALSE;
HLPFILE_UncompressRLE(tmp, sz77, &tmp2);
if (tmp2 - dst != sz)
WINE_WARN("Bogus gfx: %u / %u\n", tmp2 - dst, sz);
HeapFree(GetProcessHeap(), 0, tmp);
break;
default:
WINE_FIXME("Unsupported packing %u\n", packing);
return NULL;
}
return dst;
}
/******************************************************************
* HLPFILE_LoadBitmap
*
*
*/
static BOOL HLPFILE_LoadPictureByAddr(HLPFILE *hlpfile, char* ref,
unsigned long size, unsigned pos)
static BOOL HLPFILE_LoadBitmap(BYTE* beg, BYTE type, BYTE pack,
HLPFILE_PARAGRAPH* paragraph)
{
BYTE* ptr;
BYTE* pict_beg;
BITMAPINFO* bi;
unsigned long off, csz;
HDC hdc;
bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
if (!bi) return FALSE;
ptr = beg + 2; /* for type and pack */
bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
bi->bmiHeader.biXPelsPerMeter = fetch_ulong(&ptr);
bi->bmiHeader.biYPelsPerMeter = fetch_ulong(&ptr);
bi->bmiHeader.biPlanes = fetch_ushort(&ptr);
bi->bmiHeader.biBitCount = fetch_ushort(&ptr);
bi->bmiHeader.biWidth = fetch_ulong(&ptr);
bi->bmiHeader.biHeight = fetch_ulong(&ptr);
bi->bmiHeader.biClrUsed = fetch_ulong(&ptr);
bi->bmiHeader.biClrImportant = fetch_ulong(&ptr);
bi->bmiHeader.biCompression = BI_RGB;
if (bi->bmiHeader.biBitCount > 32) WINE_FIXME("Unknown bit count %u\n", bi->bmiHeader.biBitCount);
if (bi->bmiHeader.biPlanes != 1) WINE_FIXME("Unsupported planes %u\n", bi->bmiHeader.biPlanes);
bi->bmiHeader.biSizeImage = (((bi->bmiHeader.biWidth * bi->bmiHeader.biBitCount + 31) & ~31) / 8) * bi->bmiHeader.biHeight;
csz = fetch_ulong(&ptr);
fetch_ulong(&ptr); /* hotspot size */
off = GET_UINT(ptr, 0); ptr += 4;
/* GET_UINT(ptr, 0); hotspot offset */ ptr += 4;
/* now read palette info */
if (type == 0x06)
{
unsigned nc = bi->bmiHeader.biClrUsed;
unsigned i;
/* not quite right, especially for bitfields type of compression */
if (!nc && bi->bmiHeader.biBitCount <= 8)
nc = 1 << bi->bmiHeader.biBitCount;
bi = HeapReAlloc(GetProcessHeap(), 0, bi, sizeof(*bi) + nc * sizeof(RGBQUAD));
if (!bi) return FALSE;
for (i = 0; i < nc; i++)
{
bi->bmiColors[i].rgbBlue = ptr[0];
bi->bmiColors[i].rgbGreen = ptr[1];
bi->bmiColors[i].rgbRed = ptr[2];
bi->bmiColors[i].rgbReserved = 0;
ptr += 4;
}
}
pict_beg = HLPFILE_DecompressGfx(beg + off, csz, bi->bmiHeader.biSizeImage, pack);
paragraph->u.gfx.u.bmp.hBitmap = CreateDIBitmap(hdc = GetDC(0), &bi->bmiHeader,
CBM_INIT, pict_beg,
bi, DIB_RGB_COLORS);
ReleaseDC(0, hdc);
if (!paragraph->u.gfx.u.bmp.hBitmap)
WINE_ERR("Couldn't create bitmap\n");
HeapFree(GetProcessHeap(), 0, bi);
if (pict_beg != beg + off) HeapFree(GetProcessHeap(), 0, pict_beg);
return TRUE;
}
/******************************************************************
* HLPFILE_LoadMetaFile
*
*
*/
static BOOL HLPFILE_LoadMetaFile(BYTE* beg, BYTE pack, HLPFILE_PARAGRAPH* paragraph)
{
BYTE* ptr;
unsigned long size, csize;
unsigned long off, hsoff;
BYTE* bits;
METAFILEPICT mfp;
WINE_TRACE("Loading metafile\n");
ptr = beg + 2; /* for type and pack */
mfp.mm = fetch_ushort(&ptr); /* mapping mode */
mfp.xExt = GET_USHORT(ptr, 0);
mfp.yExt = GET_USHORT(ptr, 2);
ptr += 4;
size = fetch_ulong(&ptr); /* decompressed size */
csize = fetch_ulong(&ptr); /* compressed size */
fetch_ulong(&ptr); /* hotspot size */
off = GET_UINT(ptr, 0);
hsoff = GET_UINT(ptr, 4);
ptr += 8;
WINE_FIXME("sz=%lu csz=%lu (%ld,%ld) offs=%lu/%u,%lu\n",
size, csize, mfp.xExt, mfp.yExt, off, ptr - beg, hsoff);
bits = HLPFILE_DecompressGfx(beg + off, csize, size, pack);
if (!bits) return FALSE;
paragraph->cookie = para_metafile;
mfp.hMF = NULL;
paragraph->u.gfx.u.mf.hMetaFile = SetMetaFileBitsEx(size, bits);
if (!paragraph->u.gfx.u.mf.hMetaFile)
WINE_FIXME("Couldn't load metafile\n");
if (bits != beg + off) HeapFree(GetProcessHeap(), 0, bits);
paragraph->u.gfx.u.mf.mfSize.cx = mfp.xExt;
paragraph->u.gfx.u.mf.mfSize.cy = mfp.yExt;
return TRUE;
}
/******************************************************************
* HLPFILE_LoadGfxByAddr
*
*
*/
static BOOL HLPFILE_LoadGfxByAddr(HLPFILE *hlpfile, BYTE* ref,
unsigned long size,
HLPFILE_PARAGRAPH* paragraph)
{
unsigned i, numpict;
numpict = *(unsigned short*)(ref + 2);
numpict = GET_USHORT(ref, 2);
WINE_TRACE("Got picture magic=%04x #=%d\n",
*(unsigned short*)ref, numpict);
GET_USHORT(ref, 0), numpict);
for (i = 0; i < numpict; i++)
{
BYTE *beg, *ptr;
BYTE *pict_beg;
BYTE type, pack;
BITMAPINFO* bi;
unsigned long off, sz;
BYTE* beg;
BYTE* ptr;
BYTE type, pack;
WINE_TRACE("Offset[%d] = %lx\n", i, ((unsigned long*)ref)[1 + i]);
ptr = beg = ref + ((unsigned long*)ref)[1 + i];
WINE_TRACE("Offset[%d] = %x\n", i, GET_UINT(ref, (1 + i) * 4));
beg = ptr = ref + GET_UINT(ref, (1 + i) * 4);
type = *ptr++;
pack = *ptr++;
switch (type)
{
case 5: /* device dependent bmp */ break;
case 6: /* device independent bmp */ break;
case 8: WINE_FIXME("Unsupported metafile\n"); return FALSE;
case 5: /* device dependent bmp */
case 6: /* device independent bmp */
HLPFILE_LoadBitmap(beg, type, pack, paragraph);
break;
case 8:
HLPFILE_LoadMetaFile(beg, pack, paragraph);
break;
default: WINE_FIXME("Unknown type %u\n", type); return FALSE;
}
bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
if (!bi) return FALSE;
bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
bi->bmiHeader.biXPelsPerMeter = fetch_ulong(&ptr);
bi->bmiHeader.biYPelsPerMeter = fetch_ulong(&ptr);
bi->bmiHeader.biPlanes = fetch_ushort(&ptr);
bi->bmiHeader.biBitCount = fetch_ushort(&ptr);
bi->bmiHeader.biWidth = fetch_ulong(&ptr);
bi->bmiHeader.biHeight = fetch_ulong(&ptr);
bi->bmiHeader.biClrUsed = fetch_ulong(&ptr);
bi->bmiHeader.biClrImportant = fetch_ulong(&ptr);
bi->bmiHeader.biCompression = BI_RGB;
if (bi->bmiHeader.biBitCount > 32) WINE_FIXME("Unknown bit count %u\n", bi->bmiHeader.biBitCount);
if (bi->bmiHeader.biPlanes != 1) WINE_FIXME("Unsupported planes %u\n", bi->bmiHeader.biPlanes);
bi->bmiHeader.biSizeImage = (((bi->bmiHeader.biWidth * bi->bmiHeader.biBitCount + 31) & ~31) / 8) * bi->bmiHeader.biHeight;
sz = fetch_ulong(&ptr);
fetch_ulong(&ptr); /* hotspot size */
off = *(unsigned long*)ptr; ptr += 4;
/* *(unsigned long*)ptr; hotspot offset */ ptr += 4;
/* now read palette info */
if (type == 0x06)
{
unsigned nc = bi->bmiHeader.biClrUsed;
unsigned i;
/* not quite right, especially for bitfields type of compression */
if (!nc && bi->bmiHeader.biBitCount <= 8)
nc = 1 << bi->bmiHeader.biBitCount;
bi = HeapReAlloc(GetProcessHeap(), 0, bi, sizeof(*bi) + nc * sizeof(RGBQUAD));
if (!bi) return FALSE;
for (i = 0; i < nc; i++)
{
bi->bmiColors[i].rgbBlue = ptr[0];
bi->bmiColors[i].rgbGreen = ptr[1];
bi->bmiColors[i].rgbRed = ptr[2];
bi->bmiColors[i].rgbReserved = 0;
ptr += 4;
}
}
switch (pack)
{
case 0: /* uncompressed */
pict_beg = beg + off;
if (sz != bi->bmiHeader.biSizeImage)
WINE_WARN("Bogus image sizes: %lu / %lu [sz=(%lu,%lu) bc=%u pl=%u]\n",
sz, bi->bmiHeader.biSizeImage,
bi->bmiHeader.biWidth, bi->bmiHeader.biHeight,
bi->bmiHeader.biBitCount, bi->bmiHeader.biPlanes);
break;
case 1: /* RunLen */
{
BYTE* dst;
dst = pict_beg = HeapAlloc(GetProcessHeap(), 0, bi->bmiHeader.biSizeImage);
if (!pict_beg) return FALSE;
HLPFILE_UncompressRLE(beg + off, sz, &dst);
if (dst - pict_beg != bi->bmiHeader.biSizeImage)
WINE_FIXME("buffer XXX-flow (%u/%lu)\n", dst - pict_beg, bi->bmiHeader.biSizeImage);
}
break;
case 2: /* LZ77 */
{
unsigned long esz;
esz = HLPFILE_UncompressedLZ77_Size(beg + off, beg + off + sz);
pict_beg = HeapAlloc(GetProcessHeap(), 0, esz);
if (!pict_beg) return FALSE;
HLPFILE_UncompressLZ77(beg + off, beg + off + sz, pict_beg);
if (esz != bi->bmiHeader.biSizeImage)
WINE_WARN("Bogus image sizes: %lu / %lu [sz=(%lu,%lu) bc=%u pl=%u]\n",
esz, bi->bmiHeader.biSizeImage,
bi->bmiHeader.biWidth, bi->bmiHeader.biHeight,
bi->bmiHeader.biBitCount, bi->bmiHeader.biPlanes);
}
break;
case 3: /* LZ77 then RLE */
{
BYTE* tmp;
unsigned long sz77;
BYTE* dst;
sz77 = HLPFILE_UncompressedLZ77_Size(beg + off, beg + off + sz);
tmp = HeapAlloc(GetProcessHeap(), 0, bi->bmiHeader.biSizeImage);
if (!tmp) return FALSE;
HLPFILE_UncompressLZ77(beg + off, beg + off + sz, tmp);
pict_beg = dst = HeapAlloc(GetProcessHeap(), 0, bi->bmiHeader.biSizeImage);
if (!pict_beg) return FALSE;
HLPFILE_UncompressRLE(tmp, sz77, &dst);
if (dst - pict_beg != bi->bmiHeader.biSizeImage)
WINE_WARN("Bogus image sizes: %u / %lu [sz=(%lu,%lu) bc=%u pl=%u]\n",
dst - pict_beg, bi->bmiHeader.biSizeImage,
bi->bmiHeader.biWidth, bi->bmiHeader.biHeight,
bi->bmiHeader.biBitCount, bi->bmiHeader.biPlanes);
HeapFree(GetProcessHeap(), 0, tmp);
}
break;
default:
WINE_FIXME("Unsupported packing %u\n", pack);
return FALSE;
}
attributes.hBitmap = CreateDIBitmap(GetDC(0), &bi->bmiHeader, CBM_INIT,
pict_beg, bi, DIB_RGB_COLORS);
if (!attributes.hBitmap)
WINE_ERR("Couldn't create bitmap\n");
attributes.bmpPos = pos;
HeapFree(GetProcessHeap(), 0, bi);
if (pict_beg != beg + off) HeapFree(GetProcessHeap(), 0, pict_beg);
/* FIXME: hotspots */
/* FIXME: implement support for multiple picture format */
if (numpict != 1) WINE_FIXME("Supporting only one bitmap format per logical bitmap (for now). Using first format\n");
@ -658,21 +737,22 @@ static BOOL HLPFILE_LoadPictureByAddr(HLPFILE *hlpfile, char* ref,
}
/******************************************************************
* HLPFILE_LoadPictureByIndex
* HLPFILE_LoadGfxByIndex
*
*
*/
static BOOL HLPFILE_LoadPictureByIndex(HLPFILE *hlpfile, unsigned index, unsigned pos)
static BOOL HLPFILE_LoadGfxByIndex(HLPFILE *hlpfile, unsigned index,
HLPFILE_PARAGRAPH* paragraph)
{
char tmp[16];
BYTE *ref, *end;
BOOL ret;
WINE_TRACE("Loading picture #%d\n", index);
if (index < hlpfile->numBmps && hlpfile->bmps[index] != NULL)
{
attributes.hBitmap = hlpfile->bmps[index];
attributes.bmpPos = pos;
paragraph->u.gfx.u.bmp.hBitmap = hlpfile->bmps[index];
return TRUE;
}
@ -682,10 +762,10 @@ static BOOL HLPFILE_LoadPictureByIndex(HLPFILE *hlpfile, unsigned index, uns
ref += 9;
ret = HLPFILE_LoadPictureByAddr(hlpfile, ref, end - ref, pos);
ret = HLPFILE_LoadGfxByAddr(hlpfile, ref, end - ref, paragraph);
/* cache bitmap */
if (ret)
if (ret && paragraph->cookie == para_bitmap)
{
if (index >= hlpfile->numBmps)
{
@ -693,11 +773,41 @@ static BOOL HLPFILE_LoadPictureByIndex(HLPFILE *hlpfile, unsigned index, uns
hlpfile->bmps = HeapReAlloc(GetProcessHeap(), 0, hlpfile->bmps,
hlpfile->numBmps * sizeof(hlpfile->bmps[0]));
}
hlpfile->bmps[index] = attributes.hBitmap;
hlpfile->bmps[index] = paragraph->u.gfx.u.bmp.hBitmap;
}
return ret;
}
/******************************************************************
* HLPFILE_AllocLink
*
*
*/
static HLPFILE_LINK* HLPFILE_AllocLink(int cookie, const char* str, LONG hash,
BOOL clrChange, unsigned wnd)
{
HLPFILE_LINK* link;
/* FIXME: should build a string table for the attributes.link.lpszPath
* they are reallocated for each link
*/
link = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_LINK) + strlen(str) + 1);
if (!link) return NULL;
link->cookie = cookie;
link->lpszString = (char*)link + sizeof(HLPFILE_LINK);
strcpy((char*)link->lpszString, str);
link->lHash = hash;
link->bClrChange = clrChange ? 1 : 0;
link->window = wnd;
link->wRefCount = 1;
WINE_TRACE("Link[%d] to %s@%08lx:%d\n",
link->cookie, link->lpszString,
link->lHash, link->window);
return link;
}
/***********************************************************************
*
* HLPFILE_AddParagraph
@ -766,7 +876,7 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
if (buf[0x14] == 0x23)
format += 5;
format += 4;
bits = *(unsigned short*)format; format += 2;
bits = GET_USHORT(format, 0); format += 2;
if (bits & 0x0001) fetch_long(&format);
if (bits & 0x0002) fetch_short(&format);
if (bits & 0x0004) fetch_short(&format);
@ -794,7 +904,7 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
{
WINE_TRACE("Got text: '%s' (%p/%p - %p/%p)\n", text, text, text_end, format, format_end);
textsize = strlen(text) + 1;
if (textsize > 1 || attributes.hBitmap)
if (textsize > 1)
{
paragraph = HeapAlloc(GetProcessHeap(), 0,
sizeof(HLPFILE_PARAGRAPH) + textsize);
@ -802,55 +912,19 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
*paragraphptr = paragraph;
paragraphptr = &paragraph->next;
paragraph->next = NULL;
paragraph->link = NULL;
paragraph->next = NULL;
paragraph->link = attributes.link;
if (paragraph->link) paragraph->link->wRefCount++;
paragraph->cookie = para_normal_text;
paragraph->u.text.wFont = attributes.wFont;
paragraph->u.text.wVSpace = attributes.wVSpace;
paragraph->u.text.wHSpace = attributes.wHSpace;
paragraph->u.text.wIndent = attributes.wIndent;
paragraph->u.text.lpszText = (char*)paragraph + sizeof(HLPFILE_PARAGRAPH);
strcpy(paragraph->u.text.lpszText, text);
if (attributes.hBitmap)
{
paragraph->cookie = para_image;
paragraph->u.image.hBitmap = attributes.hBitmap;
paragraph->u.image.pos = attributes.bmpPos;
if (attributes.wVSpace) paragraph->u.image.pos |= 0x8000;
}
else
{
paragraph->cookie = (attributes.bDebug) ? para_debug_text : para_normal_text;
paragraph->u.text.wFont = attributes.wFont;
paragraph->u.text.wVSpace = attributes.wVSpace;
paragraph->u.text.wHSpace = attributes.wHSpace;
paragraph->u.text.wIndent = attributes.wIndent;
paragraph->u.text.lpszText = (char*)paragraph + sizeof(HLPFILE_PARAGRAPH);
strcpy(paragraph->u.text.lpszText, text);
}
if (attributes.link.lpszString)
{
/* FIXME: should build a string table for the attributes.link.lpszPath
* they are reallocated for each link
*/
paragraph->link = HeapAlloc(GetProcessHeap(), 0,
sizeof(HLPFILE_LINK) + strlen(attributes.link.lpszString) + 1);
if (!paragraph->link) return FALSE;
paragraph->link->cookie = attributes.link.cookie;
paragraph->link->lpszString = (char*)paragraph->link + sizeof(HLPFILE_LINK);
strcpy((char*)paragraph->link->lpszString, attributes.link.lpszString);
paragraph->link->lHash = attributes.link.lHash;
paragraph->link->bClrChange = attributes.link.bClrChange;
paragraph->link->window = attributes.link.window;
WINE_TRACE("Link[%d] to %s@%08lx:%d\n",
paragraph->link->cookie, paragraph->link->lpszString,
paragraph->link->lHash, paragraph->link->window);
}
attributes.hBitmap = 0;
attributes.link.lpszString = NULL;
attributes.link.bClrChange = FALSE;
attributes.link.lHash = 0;
attributes.link.window = -1;
attributes.wVSpace = 0;
attributes.wHSpace = 0;
attributes.wIndent = 0;
}
/* else: null text, keep on storing attributes */
text += textsize;
@ -886,8 +960,7 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
break;
case 0x82:
attributes.wVSpace += 2 - attributes.wVBackSpace;
attributes.wVBackSpace = 0;
attributes.wVSpace++;
attributes.wIndent = 0;
format += 1;
break;
@ -914,26 +987,38 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
format += 2;
size = fetch_long(&format);
paragraph = HeapAlloc(GetProcessHeap(), 0,
sizeof(HLPFILE_PARAGRAPH) + textsize);
if (!paragraph) return FALSE;
*paragraphptr = paragraph;
paragraphptr = &paragraph->next;
paragraph->next = NULL;
paragraph->link = attributes.link;
if (paragraph->link) paragraph->link->wRefCount++;
paragraph->cookie = para_bitmap;
paragraph->u.gfx.pos = pos;
switch (type)
{
case 0x22:
fetch_ushort(&format); /* hot spot */
/* fall thru */
case 0x03:
switch (*(short*)format)
switch (GET_SHORT(format, 0))
{
case 0:
HLPFILE_LoadPictureByIndex(hlpfile,
*(short*)(format + 2), pos);
HLPFILE_LoadGfxByIndex(hlpfile, GET_SHORT(format, 2),
paragraph);
break;
case 1:
WINE_FIXME("does it work ??? %x<%lu>#%u\n",
*(short*)format, size, *(short*)(format+2));
HLPFILE_LoadPictureByAddr(hlpfile, format + 2,
size - 4, pos);
GET_SHORT(format, 0),
size, GET_SHORT(format, 2));
HLPFILE_LoadGfxByAddr(hlpfile, format + 2, size - 4,
paragraph);
break;
default:
WINE_FIXME("??? %u\n", *(short*)format);
WINE_FIXME("??? %u\n", GET_SHORT(format, 0));
break;
}
break;
@ -944,12 +1029,15 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
WINE_FIXME("Got a type %d picture\n", type);
break;
}
if (attributes.wVSpace) paragraph->u.gfx.pos |= 0x8000;
format += size;
}
break;
case 0x89:
attributes.wVBackSpace++;
HLPFILE_FreeLink(attributes.link);
attributes.link = NULL;
format += 1;
break;
@ -968,9 +1056,9 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
case 0xC8:
case 0xCC:
WINE_TRACE("macro => %s\n", format + 3);
attributes.link.bClrChange = !(*format & 4);
attributes.link.cookie = hlp_link_macro;
attributes.link.lpszString = format + 3;
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink(hlp_link_macro, format + 3,
0, !(*format & 4), -1);
format += 3 + GET_USHORT(format, 1);
break;
@ -982,13 +1070,13 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
case 0xE2:
case 0xE3:
attributes.link.bClrChange = TRUE;
/* fall thru */
case 0xE6:
case 0xE7:
attributes.link.cookie = (*format & 1) ? hlp_link_link : hlp_link_popup;
attributes.link.lpszString = hlpfile->lpszPath;
attributes.link.lHash = GET_UINT(format, 1);
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink((*format & 1) ? hlp_link_link : hlp_link_popup,
hlpfile->lpszPath,
GET_UINT(format, 1),
!(*format & 4), -1);
format += 5;
break;
@ -997,37 +1085,32 @@ static BOOL HLPFILE_AddParagraph(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigne
case 0xEE:
case 0xEF:
{
char* ptr = format + 8;
BYTE type = format[3];
attributes.link.cookie = hlp_link_link;
attributes.link.lHash = GET_UINT(format, 4);
attributes.link.bClrChange = !(*format & 1);
if (type == 1)
attributes.link.window = *ptr++;
char* ptr = format + 8;
BYTE type = format[3];
int wnd = -1;
char* str;
if (type == 1) wnd = *ptr++;
if (type == 4 || type == 6)
{
attributes.link.lpszString = ptr;
str = ptr;
ptr += strlen(ptr) + 1;
}
else
attributes.link.lpszString = hlpfile->lpszPath;
str = hlpfile->lpszPath;
if (type == 6)
{
int i;
for (i = 0; i < hlpfile->numWindows; i++)
for (wnd = hlpfile->numWindows - 1; wnd >= 0; wnd--)
{
if (!strcmp(ptr, hlpfile->windows[i].name))
{
attributes.link.window = i;
break;
}
if (!strcmp(ptr, hlpfile->windows[wnd].name)) break;
}
if (attributes.link.window == -1)
if (wnd == -1)
WINE_WARN("Couldn't find window info for %s\n", ptr);
}
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink((*format & 4) ? hlp_link_link : hlp_link_popup,
str, GET_UINT(format, 4),
!(*format & 1), wnd);
}
format += 3 + GET_USHORT(format, 1);
break;
@ -1107,7 +1190,7 @@ static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile)
case 0x05: hlpfile->fonts[i].LogFont.lfPitchAndFamily |= FF_DECORATIVE; break;
default: WINE_FIXME("Unknown family %u\n", family);
}
idx = *(unsigned short*)(ref + dscr_offset + i * 11 + 3);
idx = GET_USHORT(ref, dscr_offset + i * 11 + 3);
if (idx < face_num)
{
@ -1124,7 +1207,7 @@ static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile)
ref[dscr_offset + i * 11 + 6],
ref[dscr_offset + i * 11 + 7]);
#define X(b,s) ((flag & (1 << b)) ? "-"s: "")
WINE_TRACE("Font[%d]: flags=%02x%s%s%s%s%s%s pSize=%u family=%u face=%s[%u] color=%08lx\n",
WINE_TRACE("Font[%d]: flags=%02x%s%s%s%s%s%s pSize=%u family=%u face=%s[%u] color=%08x\n",
i, flag,
X(0, "bold"),
X(1, "italic"),
@ -1135,7 +1218,7 @@ static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile)
ref[dscr_offset + i * 11 + 1],
family,
hlpfile->fonts[i].LogFont.lfFaceName, idx,
*(unsigned long*)(ref + dscr_offset + i * 11 + 5) & 0x00FFFFFF);
GET_UINT(ref, dscr_offset + i * 11 + 5) & 0x00FFFFFF);
}
return TRUE;
}
@ -1778,6 +1861,17 @@ static BOOL HLPFILE_GetContext(HLPFILE *hlpfile)
return TRUE;
}
/******************************************************************
* HLPFILE_DeleteLink
*
*
*/
void HLPFILE_FreeLink(HLPFILE_LINK* link)
{
if (link && !--link->wRefCount)
HeapFree(GetProcessHeap(), 0, link);
}
/***********************************************************************
*
* HLPFILE_DeleteParagraph
@ -1789,7 +1883,11 @@ static void HLPFILE_DeleteParagraph(HLPFILE_PARAGRAPH* paragraph)
while (paragraph)
{
next = paragraph->next;
if (paragraph->link) HeapFree(GetProcessHeap(), 0, paragraph->link);
if (paragraph->cookie == para_metafile)
DeleteMetaFile(paragraph->u.gfx.u.mf.hMetaFile);
HLPFILE_FreeLink(paragraph->link);
HeapFree(GetProcessHeap(), 0, paragraph);
paragraph = next;

31
programs/winhelp/hlpfile.h
View File

@ -30,20 +30,21 @@ typedef struct
SIZE size;
int style;
DWORD win_style;
COLORREF sr_color; /* color for scrollable region */
COLORREF sr_color; /* color for scrollable region */
COLORREF nsr_color; /* color for non scrollable region */
} HLPFILE_WINDOWINFO;
typedef struct
{
enum {hlp_link_none, hlp_link_link, hlp_link_popup, hlp_link_macro} cookie;
LPCSTR lpszString;
LONG lHash;
BOOL bClrChange;
unsigned window;
enum {hlp_link_link, hlp_link_popup, hlp_link_macro} cookie;
LPCSTR lpszString; /* name of the file to for the link (NULL if same file) */
LONG lHash; /* topic index */
unsigned bClrChange : 1, /* true if the link is green & underlined */
wRefCount; /* number of internal references to this object */
unsigned window; /* window number for displaying the link (-1 is current) */
} HLPFILE_LINK;
enum para_type {para_normal_text, para_debug_text, para_image};
enum para_type {para_normal_text, para_debug_text, para_bitmap, para_metafile};
typedef struct tagHlpFileParagraph
{
@ -61,9 +62,20 @@ typedef struct tagHlpFileParagraph
} text;
struct
{
HBITMAP hBitmap;
unsigned pos; /* 0: center, 1: left, 2: right */
} image;
union
{
struct
{
HBITMAP hBitmap;
} bmp;
struct
{
HMETAFILE hMetaFile;
SIZE mfSize;
} mf;
} u;
} gfx; /* for bitmaps and metafiles */
} u;
HLPFILE_LINK* link;
@ -142,4 +154,5 @@ HLPFILE_PAGE* HLPFILE_Contents(HLPFILE* hlpfile);
HLPFILE_PAGE* HLPFILE_PageByHash(HLPFILE* hlpfile, LONG lHash);
HLPFILE_PAGE* HLPFILE_PageByOffset(HLPFILE* hlpfile, LONG offset);
LONG HLPFILE_Hash(LPCSTR lpszContext);
void HLPFILE_FreeLink(HLPFILE_LINK* link);
void HLPFILE_FreeHlpFile(HLPFILE*);

163
programs/winhelp/winhelp.c
View File

@ -45,7 +45,7 @@ static void WINHELP_InitFonts(HWND hWnd);
static void WINHELP_DeleteLines(WINHELP_WINDOW*);
static void WINHELP_DeleteWindow(WINHELP_WINDOW*);
static void WINHELP_SetupText(HWND hWnd);
static WINHELP_LINE_PART* WINHELP_IsOverLink(HWND hWnd, WPARAM wParam, LPARAM lParam);
static WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW*, WPARAM, LPARAM);
WINHELP_GLOBALS Globals = {3, 0, 0, 0, 1, 0, 0};
@ -852,18 +852,27 @@ static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam,
DeleteObject(hPen);
}
break;
case hlp_line_part_image:
case hlp_line_part_bitmap:
{
HDC hMemDC;
hMemDC = CreateCompatibleDC(hDc);
SelectObject(hMemDC, part->u.image.hBitmap);
SelectObject(hMemDC, part->u.bitmap.hBitmap);
BitBlt(hDc, part->rect.left, part->rect.top - scroll_pos,
part->rect.right - part->rect.left, part->rect.bottom - part->rect.top,
hMemDC, 0, 0, SRCCOPY);
DeleteDC(hMemDC);
}
break;
case hlp_line_part_metafile:
{
POINT pt;
SetViewportOrgEx(hDc, part->rect.left, part->rect.top - scroll_pos, &pt);
PlayMetaFile(hDc, part->u.metafile.hMetaFile);
SetViewportOrgEx(hDc, pt.x, pt.y, NULL);
}
break;
}
}
}
@ -874,7 +883,7 @@ static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam,
case WM_MOUSEMOVE:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
if (WINHELP_IsOverLink(hWnd, wParam, lParam))
if (WINHELP_IsOverLink(win, wParam, lParam))
SetCursor(win->hHandCur); /* set to hand pointer cursor to indicate a link */
else
SetCursor(win->hArrowCur); /* set to hand pointer cursor to indicate a link */
@ -887,7 +896,7 @@ static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam,
hPopupWnd = Globals.hPopupWnd;
Globals.hPopupWnd = 0;
part = WINHELP_IsOverLink(hWnd, wParam, lParam);
part = WINHELP_IsOverLink(win, wParam, lParam);
if (part)
{
HLPFILE* hlpfile;
@ -896,35 +905,33 @@ static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam,
mouse.x = LOWORD(lParam);
mouse.y = HIWORD(lParam);
switch (part->link.cookie)
if (part->link) switch (part->link->cookie)
{
case hlp_link_none:
break;
case hlp_link_link:
hlpfile = WINHELP_LookupHelpFile(part->link.lpszString);
if (part->link.window == -1)
hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
if (part->link->window == -1)
wi = win->info;
else if (part->link.window < hlpfile->numWindows)
wi = &hlpfile->windows[part->link.window];
else if (part->link->window < hlpfile->numWindows)
wi = &hlpfile->windows[part->link->window];
else
{
WINE_WARN("link to window %d/%d\n", part->link.window, hlpfile->numWindows);
WINE_WARN("link to window %d/%d\n", part->link->window, hlpfile->numWindows);
break;
}
WINHELP_CreateHelpWindowByHash(hlpfile, part->link.lHash, wi,
WINHELP_CreateHelpWindowByHash(hlpfile, part->link->lHash, wi,
SW_NORMAL);
break;
case hlp_link_popup:
hlpfile = WINHELP_LookupHelpFile(part->link.lpszString);
WINHELP_CreateHelpWindowByHash(hlpfile, part->link.lHash,
hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
WINHELP_CreateHelpWindowByHash(hlpfile, part->link->lHash,
WINHELP_GetPopupWindowInfo(hlpfile, hWnd, &mouse),
SW_NORMAL);
break;
case hlp_link_macro:
MACRO_ExecuteMacro(part->link.lpszString);
MACRO_ExecuteMacro(part->link->lpszString);
break;
default:
WINE_FIXME("Unknown link cookie %d\n", part->link.cookie);
WINE_FIXME("Unknown link cookie %d\n", part->link->cookie);
}
}
@ -1061,7 +1068,7 @@ static BOOL WINHELP_AppendText(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp
*line_ascent = ascent;
line = HeapAlloc(GetProcessHeap(), 0,
sizeof(WINHELP_LINE) + textlen + (link ? lstrlen(link->lpszString) + 1 : 0));
sizeof(WINHELP_LINE) + textlen);
if (!line) return FALSE;
line->next = 0;
@ -1094,8 +1101,7 @@ static BOOL WINHELP_AppendText(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp
}
part = HeapAlloc(GetProcessHeap(), 0,
sizeof(WINHELP_LINE_PART) + textlen +
(link ? lstrlen(link->lpszString) + 1 : 0));
sizeof(WINHELP_LINE_PART) + textlen);
if (!part) return FALSE;
**partp = part;
ptr = (char*)part + sizeof(WINHELP_LINE_PART);
@ -1122,16 +1128,9 @@ static BOOL WINHELP_AppendText(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp
part->u.text.lpsText,
part->u.text.wTextLen,
part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
if (link)
{
strcpy(ptr + textlen, link->lpszString);
part->link.lpszString = ptr + textlen;
part->link.cookie = link->cookie;
part->link.lHash = link->lHash;
part->link.bClrChange = link->bClrChange;
part->link.window = link->window;
}
else part->link.cookie = hlp_link_none;
part->link = link;
if (link) link->wRefCount++;
part->next = 0;
*partp = &part->next;
@ -1143,12 +1142,11 @@ static BOOL WINHELP_AppendText(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp
/***********************************************************************
*
* WINHELP_AppendBitmap
* WINHELP_AppendGfxObject
*/
static BOOL WINHELP_AppendBitmap(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
LPSIZE space,
HBITMAP hBmp, LPSIZE bmpSize,
HLPFILE_LINK *link, unsigned pos)
static WINHELP_LINE_PART* WINHELP_AppendGfxObject(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
LPSIZE space, LPSIZE gfxSize,
HLPFILE_LINK *link, unsigned pos)
{
WINHELP_LINE *line;
WINHELP_LINE_PART *part;
@ -1156,9 +1154,8 @@ static BOOL WINHELP_AppendBitmap(WINHELP_LINE ***linep, WINHELP_LINE_PART ***par
if (!*partp || pos == 1) /* New line */
{
line = HeapAlloc(GetProcessHeap(), 0,
sizeof(WINHELP_LINE) + (link ? lstrlen(link->lpszString) + 1 : 0));
if (!line) return FALSE;
line = HeapAlloc(GetProcessHeap(), 0, sizeof(WINHELP_LINE));
if (!line) return NULL;
line->next = NULL;
part = &line->first_part;
@ -1178,45 +1175,32 @@ static BOOL WINHELP_AppendBitmap(WINHELP_LINE ***linep, WINHELP_LINE_PART ***par
if (pos == 2) WINE_FIXME("Left alignment not handled\n");
line = **linep;
part = HeapAlloc(GetProcessHeap(), 0,
sizeof(WINHELP_LINE_PART) +
(link ? lstrlen(link->lpszString) + 1 : 0));
if (!part) return FALSE;
part = HeapAlloc(GetProcessHeap(), 0, sizeof(WINHELP_LINE_PART));
if (!part) return NULL;
**partp = part;
ptr = (char*)part + sizeof(WINHELP_LINE_PART);
}
part->cookie = hlp_line_part_image;
/* part->cookie should be set by caller (image or metafile) */
part->rect.left = line->rect.right + (*partp ? space->cx : 0);
part->rect.right = part->rect.left + bmpSize->cx;
part->rect.right = part->rect.left + gfxSize->cx;
line->rect.right = part->rect.right;
part->rect.top =
((*partp) ? line->rect.top : line->rect.bottom);
part->rect.bottom = part->rect.top + bmpSize->cy;
part->rect.top = (*partp) ? line->rect.top : line->rect.bottom;
part->rect.bottom = part->rect.top + gfxSize->cy;
line->rect.bottom = max(line->rect.bottom, part->rect.bottom);
part->u.image.hBitmap = hBmp;
WINE_TRACE("Appended bitmap '%d' @ (%d,%d-%d,%d)\n",
(unsigned)part->u.image.hBitmap,
WINE_TRACE("Appended gfx @ (%d,%d-%d,%d)\n",
part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
if (link)
{
strcpy(ptr, link->lpszString);
part->link.lpszString = ptr;
part->link.cookie = link->cookie;
part->link.lHash = link->lHash;
part->link.bClrChange = link->bClrChange;
part->link.window = link->window;
}
else part->link.cookie = hlp_link_none;
part->link = link;
if (link) link->wRefCount++;
part->next = NULL;
*partp = &part->next;
space->cx = 0;
return TRUE;
return part;
}
@ -1286,7 +1270,7 @@ static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE newsize)
hFont = win->fonts[wFont];
}
if (p->link)
if (p->link && p->link->bClrChange)
{
underline = (p->link->cookie == hlp_link_popup) ? 3 : 1;
color = RGB(0, 0x80, 0);
@ -1371,13 +1355,14 @@ static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE newsize)
}
}
break;
case para_image:
case para_bitmap:
case para_metafile:
{
DIBSECTION dibs;
SIZE bmpSize;
INT free_width;
SIZE gfxSize;
INT free_width;
WINHELP_LINE_PART* ref_part;
if (p->u.image.pos & 0x8000)
if (p->u.gfx.pos & 0x8000)
{
space.cx = rect.left;
if (*line)
@ -1385,10 +1370,16 @@ static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE newsize)
part = 0;
}
GetObject(p->u.image.hBitmap, sizeof(dibs), &dibs);
bmpSize.cx = dibs.dsBm.bmWidth;
bmpSize.cy = dibs.dsBm.bmHeight;
if (p->cookie == para_bitmap)
{
DIBSECTION dibs;
GetObject(p->u.gfx.u.bmp.hBitmap, sizeof(dibs), &dibs);
gfxSize.cx = dibs.dsBm.bmWidth;
gfxSize.cy = dibs.dsBm.bmHeight;
}
else gfxSize = p->u.gfx.u.mf.mfSize;
free_width = rect.right - ((part && *line) ? (*line)->rect.right : rect.left) - space.cx;
if (free_width <= 0)
{
@ -1396,17 +1387,25 @@ static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE newsize)
space.cx = rect.left;
space.cx = min(space.cx, rect.right - rect.left - 1);
}
if (!WINHELP_AppendBitmap(&line, &part, &space,
p->u.image.hBitmap, &bmpSize,
p->link, p->u.image.pos) ||
(!newsize && (*line)->rect.bottom > rect.bottom))
ref_part = WINHELP_AppendGfxObject(&line, &part, &space, &gfxSize,
p->link, p->u.gfx.pos);
if (!ref_part || (!newsize && (*line)->rect.bottom > rect.bottom))
{
return FALSE;
}
if (p->cookie == para_bitmap)
{
ref_part->cookie = hlp_line_part_bitmap;
ref_part->u.bitmap.hBitmap = p->u.gfx.u.bmp.hBitmap;
}
else
{
ref_part->cookie = hlp_line_part_metafile;
ref_part->u.metafile.hMetaFile = p->u.gfx.u.mf.hMetaFile;
}
}
break;
}
}
if (newsize)
@ -1452,6 +1451,7 @@ static void WINHELP_DeleteLines(WINHELP_WINDOW *win)
for (part = &line->first_part; part; part = next_part)
{
next_part = part->next;
HLPFILE_FreeLink(part->link);
HeapFree(GetProcessHeap(), 0, part);
}
}
@ -1574,13 +1574,12 @@ INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type
*
*
*/
WINHELP_LINE_PART* WINHELP_IsOverLink(HWND hWnd, WPARAM wParam, LPARAM lParam)
WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW* win, WPARAM wParam, LPARAM lParam)
{
WINHELP_WINDOW* win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
POINT mouse;
WINHELP_LINE *line;
WINHELP_LINE_PART *part;
int scroll_pos = GetScrollPos(hWnd, SB_VERT);
int scroll_pos = GetScrollPos(win->hMainWnd, SB_VERT);
mouse.x = LOWORD(lParam);
mouse.y = HIWORD(lParam);
@ -1588,8 +1587,8 @@ WINHELP_LINE_PART* WINHELP_IsOverLink(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
for (part = &line->first_part; part; part = part->next)
{
if (part->link.cookie != hlp_link_none &&
part->link.lpszString &&
if (part->link &&
part->link->lpszString &&
part->rect.left <= mouse.x &&
part->rect.right >= mouse.x &&
part->rect.top <= mouse.y + scroll_pos &&

10
programs/winhelp/winhelp.h
View File

@ -40,7 +40,7 @@
typedef struct tagHelpLinePart
{
RECT rect;
enum {hlp_line_part_text, hlp_line_part_image} cookie;
enum {hlp_line_part_text, hlp_line_part_bitmap, hlp_line_part_metafile} cookie;
union
{
struct
@ -54,9 +54,13 @@ typedef struct tagHelpLinePart
struct
{
HBITMAP hBitmap;
} image;
} bitmap;
struct
{
HMETAFILE hMetaFile;
} metafile;
} u;
HLPFILE_LINK link;
HLPFILE_LINK* link;
struct tagHelpLinePart *next;
} WINHELP_LINE_PART;