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winhelp: Added support for hotspot links in graphical objects.

This commit is contained in:
Eric Pouech 2009-09-19 12:53:01 +02:00 committed by Alexandre Julliard
parent 14d51867fe
commit 3d0475eb4d
3 changed files with 112 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

109
programs/winhlp32/hlpfile.c
View File

@ -761,6 +761,69 @@ static BOOL HLPFILE_RtfAddHexBytes(struct RtfData* rd, const void* _ptr, unsigne
return TRUE;
}
static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
const char* str, unsigned len, LONG hash,
unsigned clrChange, unsigned bHotSpot, unsigned wnd);
/******************************************************************
* HLPFILE_AddHotSpotLinks
*
*/
static void HLPFILE_AddHotSpotLinks(struct RtfData* rd, HLPFILE* file,
const BYTE* start, ULONG hs_size, ULONG hs_offset)
{
unsigned i, hs_num;
ULONG hs_macro;
const char* str;
if (hs_size == 0 || hs_offset == 0) return;
start += hs_offset;
/* always 1 ?? */
hs_num = GET_USHORT(start, 1);
hs_macro = GET_UINT(start, 3);
str = (const char*)start + 7 + 15 * hs_num + hs_macro;
/* FIXME: should use hs_size to prevent out of bounds reads */
for (i = 0; i < hs_num; i++)
{
HLPFILE_HOTSPOTLINK* hslink;
WINE_TRACE("%02x-%02x%02x {%s,%s}\n",
start[7 + 15 * i + 0], start[7 + 15 * i + 1], start[7 + 15 * i + 2],
str, str + strlen(str) + 1);
/* str points to two null terminated strings:
* hotspot name, then link name
*/
str += strlen(str) + 1; /* skip hotspot name */
switch (start[7 + 15 * i + 0])
/* The next two chars always look like 0x04 0x00 ???
* What are they for ?
*/
{
case 0xE6:
case 0xE7:
hslink = (HLPFILE_HOTSPOTLINK*)
HLPFILE_AllocLink(rd, (start[7 + 15 * i + 0] & 1) ? hlp_link_link : hlp_link_popup,
file->lpszPath, -1, HLPFILE_Hash(str),
0, 1, -1);
if (hslink)
{
hslink->x = GET_USHORT(start, 7 + 15 * i + 3);
hslink->y = GET_USHORT(start, 7 + 15 * i + 5);
hslink->width = GET_USHORT(start, 7 + 15 * i + 7);
hslink->height = GET_USHORT(start, 7 + 15 * i + 9);
/* target = GET_UINT(start, 7 + 15 * i + 11); */
}
break;
default:
WINE_FIXME("unknown hotsport target 0x%x\n", start[7 + 15 * i + 0]);
}
str += strlen(str) + 1;
}
}
/******************************************************************
* HLPFILE_RtfAddTransparentBitmap
*
@ -848,7 +911,7 @@ static BOOL HLPFILE_RtfAddTransparentBitmap(struct RtfData* rd, const BITMAPINFO
* HLPFILE_RtfAddBitmap
*
*/
static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, const BYTE* beg, BYTE type, BYTE pack)
static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE type, BYTE pack)
{
const BYTE* ptr;
const BYTE* pict_beg;
@ -859,6 +922,7 @@ static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, const BYTE* beg, BYTE type,
BOOL clrImportant = FALSE;
BOOL ret = FALSE;
char tmp[256];
unsigned hs_size, hs_offset;
bi = HeapAlloc(GetProcessHeap(), 0, sizeof(*bi));
if (!bi) return FALSE;
@ -884,10 +948,11 @@ static BOOL HLPFILE_RtfAddBitmap(struct RtfData* rd, const BYTE* beg, BYTE type,
bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
csz = fetch_ulong(&ptr);
fetch_ulong(&ptr); /* hotspot size */
hs_size = fetch_ulong(&ptr);
off = GET_UINT(ptr, 0); ptr += 4;
/* GET_UINT(ptr, 0); hotspot offset */ ptr += 4;
hs_offset = GET_UINT(ptr, 0); ptr += 4;
HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
/* now read palette info */
if (type == 0x06)
@ -947,9 +1012,9 @@ done:
* HLPFILE_RtfAddMetaFile
*
*/
static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, const BYTE* beg, BYTE pack)
static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, HLPFILE* file, const BYTE* beg, BYTE pack)
{
ULONG size, csize, off, hsoff;
ULONG size, csize, off, hs_offset, hs_size;
const BYTE* ptr;
const BYTE* bits;
BYTE* alloc = NULL;
@ -969,13 +1034,15 @@ static BOOL HLPFILE_RtfAddMetaFile(struct RtfData* rd, const BYTE* beg, BYTE
size = fetch_ulong(&ptr); /* decompressed size */
csize = fetch_ulong(&ptr); /* compressed size */
fetch_ulong(&ptr); /* hotspot size */
hs_size = fetch_ulong(&ptr); /* hotspot size */
off = GET_UINT(ptr, 0);
hsoff = GET_UINT(ptr, 4);
hs_offset = GET_UINT(ptr, 4);
ptr += 8;
WINE_TRACE("sz=%u csz=%u offs=%u/%u,%u\n",
size, csize, off, (ULONG)(ptr - beg), hsoff);
HLPFILE_AddHotSpotLinks(rd, file, beg, hs_size, hs_offset);
WINE_TRACE("sz=%u csz=%u offs=%u/%u,%u/%u\n",
size, csize, off, (ULONG)(ptr - beg), hs_size, hs_offset);
bits = HLPFILE_DecompressGfx(beg + off, csize, size, pack, &alloc);
if (!bits) return FALSE;
@ -1016,10 +1083,10 @@ static BOOL HLPFILE_RtfAddGfxByAddr(struct RtfData* rd, HLPFILE *hlpfile,
{
case 5: /* device dependent bmp */
case 6: /* device independent bmp */
HLPFILE_RtfAddBitmap(rd, beg, type, pack);
HLPFILE_RtfAddBitmap(rd, hlpfile, beg, type, pack);
break;
case 8:
HLPFILE_RtfAddMetaFile(rd, beg, pack);
HLPFILE_RtfAddMetaFile(rd, hlpfile, beg, pack);
break;
default: WINE_FIXME("Unknown type %u\n", type); return FALSE;
}
@ -1061,31 +1128,35 @@ static BOOL HLPFILE_RtfAddGfxByIndex(struct RtfData* rd, HLPFILE *hlpfile,
*/
static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
const char* str, unsigned len, LONG hash,
unsigned clrChange, unsigned wnd)
unsigned clrChange, unsigned bHotSpot, unsigned wnd)
{
HLPFILE_LINK* link;
char* link_str;
unsigned asz = bHotSpot ? sizeof(HLPFILE_HOTSPOTLINK) : sizeof(HLPFILE_LINK);
/* FIXME: should build a string table for the attributes.link.lpszPath
* they are reallocated for each link
*/
if (len == -1) len = strlen(str);
link = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_LINK) + len + 1);
link = HeapAlloc(GetProcessHeap(), 0, asz + len + 1);
if (!link) return NULL;
link->cookie = cookie;
link->string = link_str = (char*)(link + 1);
link->string = link_str = (char*)link + asz;
memcpy(link_str, str, len);
link_str[len] = '\0';
link->hash = hash;
link->bClrChange = clrChange ? 1 : 0;
link->bHotSpot = bHotSpot;
link->window = wnd;
link->next = rd->first_link;
rd->first_link = link;
link->cpMin = rd->char_pos;
link->cpMax = 0;
rd->force_color = clrChange;
if (rd->current_link) WINE_FIXME("Pending link\n");
if (bHotSpot)
link->cpMax = rd->char_pos;
else
rd->current_link = link;
WINE_TRACE("Link[%d] to %s@%08x:%d\n",
@ -1495,7 +1566,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
case 0xCC:
WINE_TRACE("macro => %s\n", format + 3);
HLPFILE_AllocLink(rd, hlp_link_macro, (const char*)format + 3,
GET_USHORT(format, 1), 0, !(*format & 4), -1);
GET_USHORT(format, 1), 0, !(*format & 4), 0, -1);
format += 3 + GET_USHORT(format, 1);
break;
@ -1503,7 +1574,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
case 0xE1:
WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath, -1, GET_UINT(format, 1), 1, -1);
page->file->lpszPath, -1, GET_UINT(format, 1), 1, 0, -1);
format += 5;
@ -1515,7 +1586,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
case 0xE7:
HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath, -1, GET_UINT(format, 1),
!(*format & 4), -1);
!(*format & 4), 0, -1);
format += 5;
break;
@ -1552,7 +1623,7 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd,
break;
}
HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
ptr, -1, GET_UINT(format, 4), !(*format & 4), wnd);
ptr, -1, GET_UINT(format, 4), !(*format & 4), 0, wnd);
}
format += 3 + GET_USHORT(format, 1);
break;

10
programs/winhlp32/hlpfile.h
View File

@ -41,12 +41,22 @@ typedef struct tagHlpFileLink
LPCSTR string; /* name of the file to for the link (NULL if same file) */
LONG hash; /* topic index */
unsigned bClrChange : 1; /* true if the link is green & underlined */
unsigned bHotSpot : 1; /* true if the link is an hotspot (actually HLPFILE_HOTSPOTLINK) */
unsigned window; /* window number for displaying the link (-1 is current) */
DWORD cpMin;
DWORD cpMax;
struct tagHlpFileLink* next;
} HLPFILE_LINK;
typedef struct tagHlpFileHotSpotLink
{
HLPFILE_LINK link;
unsigned x;
unsigned y;
unsigned width;
unsigned height;
} HLPFILE_HOTSPOTLINK;
typedef struct tagHlpFileMacro
{
LPCSTR lpszMacro;

10
programs/winhlp32/winhelp.c
View File

@ -646,6 +646,16 @@ static HLPFILE_LINK* WINHELP_FindLink(WINHELP_WINDOW* win, LPARAM pos)
(LPARAM)&char_ptl, cp);
SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
(LPARAM)&char_next_ptl, cp + 1);
if (link->bHotSpot)
{
HLPFILE_HOTSPOTLINK* hslink = (HLPFILE_HOTSPOTLINK*)link;
if ((mouse_ptl.x < char_ptl.x + hslink->x) ||
(mouse_ptl.x >= char_ptl.x + hslink->x + hslink->width) ||
(mouse_ptl.y < char_ptl.y + hslink->y) ||
(mouse_ptl.y >= char_ptl.y + hslink->y + hslink->height))
continue;
break;
}
if (char_next_ptl.y != char_ptl.y || mouse_ptl.x >= char_next_ptl.x)
link = NULL;
break;