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winhelp: Added support for hotspot links in graphical objects.
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14d51867fe
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3d0475eb4d
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@ -761,6 +761,69 @@ static BOOL HLPFILE_RtfAddHexBytes(struct RtfData* rd, const void* _ptr, unsigne
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return TRUE;
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}
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static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
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const char* str, unsigned len, LONG hash,
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unsigned clrChange, unsigned bHotSpot, unsigned wnd);
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/******************************************************************
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* HLPFILE_AddHotSpotLinks
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*
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*/
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static void HLPFILE_AddHotSpotLinks(struct RtfData* rd, HLPFILE* file,
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const BYTE* start, ULONG hs_size, ULONG hs_offset)
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{
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unsigned i, hs_num;
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ULONG hs_macro;
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const char* str;
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if (hs_size == 0 || hs_offset == 0) return;
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start += hs_offset;
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/* always 1 ?? */
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hs_num = GET_USHORT(start, 1);
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hs_macro = GET_UINT(start, 3);
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str = (const char*)start + 7 + 15 * hs_num + hs_macro;
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/* FIXME: should use hs_size to prevent out of bounds reads */
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for (i = 0; i < hs_num; i++)
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{
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HLPFILE_HOTSPOTLINK* hslink;
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WINE_TRACE("%02x-%02x%02x {%s,%s}\n",
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start[7 + 15 * i + 0], start[7 + 15 * i + 1], start[7 + 15 * i + 2],
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str, str + strlen(str) + 1);
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/* str points to two null terminated strings:
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* hotspot name, then link name
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*/
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str += strlen(str) + 1; /* skip hotspot name */
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switch (start[7 + 15 * i + 0])
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/* The next two chars always look like 0x04 0x00 ???
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* What are they for ?
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*/
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{
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case 0xE6:
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case 0xE7:
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hslink = (HLPFILE_HOTSPOTLINK*)
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HLPFILE_AllocLink(rd, (start[7 + 15 * i + 0] & 1) ? hlp_link_link : hlp_link_popup,
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file->lpszPath, -1, HLPFILE_Hash(str),
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0, 1, -1);
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if (hslink)
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{
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hslink->x = GET_USHORT(start, 7 + 15 * i + 3);
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hslink->y = GET_USHORT(start, 7 + 15 * i + 5);
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hslink->width = GET_USHORT(start, 7 + 15 * i + 7);
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hslink->height = GET_USHORT(start, 7 + 15 * i + 9);
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/* target = GET_UINT(start, 7 + 15 * i + 11); */
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}
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break;
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default:
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WINE_FIXME("unknown hotsport target 0x%x\n", start[7 + 15 * i + 0]);
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}
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str += strlen(str) + 1;
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}
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}
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/******************************************************************
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* HLPFILE_RtfAddTransparentBitmap
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*
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@ -848,7 +911,7 @@ static BOOL HLPFILE_RtfAddTransparentBitmap(struct RtfData* rd, const BITMAPINFO
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* HLPFILE_RtfAddBitmap
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*
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*/
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static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, const BYTE* beg, BYTE type, BYTE pack)
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static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE type, BYTE pack)
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{
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const BYTE* ptr;
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const BYTE* pict_beg;
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@ -859,6 +922,7 @@ static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, const BYTE* beg, BYTE type,
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BOOL clrImportant = FALSE;
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BOOL ret = FALSE;
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char tmp[256];
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unsigned hs_size, hs_offset;
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bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
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if (!bi) return FALSE;
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@ -884,10 +948,11 @@ static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, const BYTE* beg, BYTE type,
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bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
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csz = fetch_ulong(&ptr);
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fetch_ulong(&ptr); /* hotspot size */
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hs_size = fetch_ulong(&ptr);
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off = GET_UINT(ptr, 0); ptr += 4;
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/* GET_UINT(ptr, 0); hotspot offset */ ptr += 4;
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off = GET_UINT(ptr, 0); ptr += 4;
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hs_offset = GET_UINT(ptr, 0); ptr += 4;
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HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
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/* now read palette info */
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if (type == 0x06)
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@ -947,9 +1012,9 @@ done:
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* HLPFILE_RtfAddMetaFile
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*
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*/
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static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, const BYTE* beg, BYTE pack)
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static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE pack)
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{
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ULONG size, csize, off, hsoff;
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ULONG size, csize, off, hs_offset, hs_size;
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const BYTE* ptr;
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const BYTE* bits;
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BYTE* alloc = NULL;
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@ -969,13 +1034,15 @@ static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, const BYTE* beg, BYTE
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size = fetch_ulong(&ptr); /* decompressed size */
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csize = fetch_ulong(&ptr); /* compressed size */
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fetch_ulong(&ptr); /* hotspot size */
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hs_size = fetch_ulong(&ptr); /* hotspot size */
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off = GET_UINT(ptr, 0);
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hsoff = GET_UINT(ptr, 4);
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hs_offset = GET_UINT(ptr, 4);
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ptr += 8;
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WINE_TRACE("sz=%u csz=%u offs=%u/%u,%u\n",
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size, csize, off, (ULONG)(ptr - beg), hsoff);
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HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
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WINE_TRACE("sz=%u csz=%u offs=%u/%u,%u/%u\n",
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size, csize, off, (ULONG)(ptr - beg), hs_size, hs_offset);
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bits = HLPFILE_DecompressGfx(beg + off, csize, size, pack, &alloc);
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if (!bits) return FALSE;
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@ -1016,10 +1083,10 @@ static BOOL HLPFILE_RtfAddGfxByAddr(struct RtfData* rd, HLPFILE *hlpfile,
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{
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case 5: /* device dependent bmp */
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case 6: /* device independent bmp */
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HLPFILE_RtfAddBitmap(rd, beg, type, pack);
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HLPFILE_RtfAddBitmap(rd, hlpfile, beg, type, pack);
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break;
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case 8:
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HLPFILE_RtfAddMetaFile(rd, beg, pack);
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HLPFILE_RtfAddMetaFile(rd, hlpfile, beg, pack);
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break;
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default: WINE_FIXME("Unknown type %u\n", type); return FALSE;
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}
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@ -1061,32 +1128,36 @@ static BOOL HLPFILE_RtfAddGfxByIndex(struct RtfData* rd, HLPFILE *hlpfile,
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*/
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static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
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const char* str, unsigned len, LONG hash,
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unsigned clrChange, unsigned wnd)
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unsigned clrChange, unsigned bHotSpot, unsigned wnd)
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{
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HLPFILE_LINK* link;
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char* link_str;
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unsigned asz = bHotSpot ? sizeof(HLPFILE_HOTSPOTLINK) : sizeof(HLPFILE_LINK);
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/* FIXME: should build a string table for the attributes.link.lpszPath
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* they are reallocated for each link
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*/
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if (len == -1) len = strlen(str);
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link = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_LINK) + len + 1);
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link = HeapAlloc(GetProcessHeap(), 0, asz + len + 1);
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if (!link) return NULL;
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link->cookie = cookie;
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link->string = link_str = (char*)(link + 1);
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link->string = link_str = (char*)link + asz;
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memcpy(link_str, str, len);
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link_str[len] = '\0';
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link->hash = hash;
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link->bClrChange = clrChange ? 1 : 0;
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link->bHotSpot = bHotSpot;
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link->window = wnd;
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link->next = rd->first_link;
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rd->first_link = link;
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link->cpMin = rd->char_pos;
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link->cpMax = 0;
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rd->force_color = clrChange;
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if (rd->current_link) WINE_FIXME("Pending link\n");
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rd->current_link = link;
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if (bHotSpot)
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link->cpMax = rd->char_pos;
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else
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rd->current_link = link;
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WINE_TRACE("Link[%d] to %s@%08x:%d\n",
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link->cookie, link->string, link->hash, link->window);
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@ -1495,7 +1566,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
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case 0xCC:
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WINE_TRACE("macro => %s\n", format + 3);
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HLPFILE_AllocLink(rd, hlp_link_macro, (const char*)format + 3,
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GET_USHORT(format, 1), 0, !(*format & 4), -1);
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GET_USHORT(format, 1), 0, !(*format & 4), 0, -1);
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format += 3 + GET_USHORT(format, 1);
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break;
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@ -1503,7 +1574,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
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case 0xE1:
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WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
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HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
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page->file->lpszPath, -1, GET_UINT(format, 1), 1, -1);
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page->file->lpszPath, -1, GET_UINT(format, 1), 1, 0, -1);
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format += 5;
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@ -1515,7 +1586,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
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case 0xE7:
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HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
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page->file->lpszPath, -1, GET_UINT(format, 1),
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!(*format & 4), -1);
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!(*format & 4), 0, -1);
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format += 5;
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break;
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@ -1552,7 +1623,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
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break;
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}
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HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
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ptr, -1, GET_UINT(format, 4), !(*format & 4), wnd);
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ptr, -1, GET_UINT(format, 4), !(*format & 4), 0, wnd);
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}
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format += 3 + GET_USHORT(format, 1);
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break;
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@ -41,12 +41,22 @@ typedef struct tagHlpFileLink
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LPCSTR string; /* name of the file to for the link (NULL if same file) */
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LONG hash; /* topic index */
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unsigned bClrChange : 1; /* true if the link is green & underlined */
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unsigned bHotSpot : 1; /* true if the link is an hotspot (actually HLPFILE_HOTSPOTLINK) */
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unsigned window; /* window number for displaying the link (-1 is current) */
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DWORD cpMin;
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DWORD cpMax;
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struct tagHlpFileLink* next;
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} HLPFILE_LINK;
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typedef struct tagHlpFileHotSpotLink
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{
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HLPFILE_LINK link;
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unsigned x;
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unsigned y;
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unsigned width;
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unsigned height;
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} HLPFILE_HOTSPOTLINK;
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typedef struct tagHlpFileMacro
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{
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LPCSTR lpszMacro;
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@ -646,6 +646,16 @@ static HLPFILE_LINK* WINHELP_FindLink(WINHELP_WINDOW* win, LPARAM pos)
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(LPARAM)&char_ptl, cp);
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SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
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(LPARAM)&char_next_ptl, cp + 1);
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if (link->bHotSpot)
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{
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HLPFILE_HOTSPOTLINK* hslink = (HLPFILE_HOTSPOTLINK*)link;
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if ((mouse_ptl.x < char_ptl.x + hslink->x) ||
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(mouse_ptl.x >= char_ptl.x + hslink->x + hslink->width) ||
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(mouse_ptl.y < char_ptl.y + hslink->y) ||
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(mouse_ptl.y >= char_ptl.y + hslink->y + hslink->height))
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continue;
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break;
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}
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if (char_next_ptl.y != char_ptl.y || mouse_ptl.x >= char_next_ptl.x)
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link = NULL;
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break;
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