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winhelp: Implement the first round of support for links in RichEdit.

This commit is contained in:
Eric Pouech 2008-04-23 21:38:14 +02:00 committed by Alexandre Julliard
parent 1e5199af35
commit 603e1a1584
4 changed files with 209 additions and 36 deletions
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77
programs/winhelp/hlpfile.c
View File

@ -433,6 +433,7 @@ static BOOL HLPFILE_AddPage(HLPFILE *hlpfile, BYTE *buf, BYTE *end, unsigned ref
page->next = NULL;
page->first_paragraph = NULL;
page->first_macro = NULL;
page->first_link = NULL;
page->wNumber = GET_UINT(buf, 0x21);
page->offset = offset;
page->reference = ref;
@ -904,8 +905,9 @@ static BOOL HLPFILE_LoadGfxByIndex(HLPFILE *hlpfile, unsigned index,
*
*
*/
static HLPFILE_LINK* HLPFILE_AllocLink(int cookie, const char* str, LONG hash,
BOOL clrChange, unsigned wnd)
static HLPFILE_LINK* HLPFILE_AllocLink(struct RtfData* rd, int cookie,
const char* str, unsigned len, LONG hash,
unsigned clrChange, unsigned wnd)
{
HLPFILE_LINK* link;
char* link_str;
@ -913,20 +915,31 @@ static HLPFILE_LINK* HLPFILE_AllocLink(int cookie, const char* str, LONG h
/* 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 (len == -1) len = strlen(str);
link = HeapAlloc(GetProcessHeap(), 0, sizeof(HLPFILE_LINK) + len + 1);
if (!link) return NULL;
link->cookie = cookie;
link->lpszString = link_str = (char*)link + sizeof(HLPFILE_LINK);
strcpy(link_str, str);
link->lHash = hash;
link->string = link_str = (char*)(link + 1);
memcpy(link_str, str, len);
link_str[len] = '\0';
link->hash = hash;
link->bClrChange = clrChange ? 1 : 0;
link->window = wnd;
link->wRefCount = 1;
link->wRefCount = 1;
if (rd) {
link->next = rd->first_link;
rd->first_link = link;
link->cpMin = rd->char_pos;
link->cpMax = 0;
rd->force_color = clrChange;
link->wRefCount++;
if (rd->current_link) WINE_FIXME("Pending link\n");
rd->current_link = link;
}
WINE_TRACE("Link[%d] to %s@%08x:%d\n",
link->cookie, link->lpszString,
link->lHash, link->window);
link->cookie, link->string, link->hash, link->window);
return link;
}
@ -1047,8 +1060,12 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
paragraphptr = &paragraph->next;
paragraph->next = NULL;
if (!rd)
{
paragraph->link = attributes.link;
if (paragraph->link) paragraph->link->wRefCount++;
}
else paragraph->link = NULL;
paragraph->cookie = para_normal_text;
paragraph->u.text.wFont = attributes.wFont;
paragraph->u.text.wVSpace = attributes.wVSpace;
@ -1060,7 +1077,12 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
attributes.wVSpace = 0;
attributes.wHSpace = 0;
if (rd) /* FIXME: TEMP */ {
if (rd->force_color && !HLPFILE_RtfAddControl(rd, "{\\ul\\cf1 ")) goto done;
if (rd->force_color)
{
if ((rd->current_link->cookie == hlp_link_popup) ?
!HLPFILE_RtfAddControl(rd, "{\\uld\\cf1") :
!HLPFILE_RtfAddControl(rd, "{\\ul\\cf1")) goto done;
}
if (!HLPFILE_RtfAddText(rd, text)) goto done;
if (rd->force_color && !HLPFILE_RtfAddControl(rd, "}")) goto done;
rd->char_pos += textsize;
@ -1152,8 +1174,11 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
paragraphptr = &paragraph->next;
paragraph->next = NULL;
if (!rd){
paragraph->link = attributes.link;
if (paragraph->link) paragraph->link->wRefCount++;
}
else paragraph->link = NULL;
paragraph->cookie = para_bitmap;
paragraph->u.gfx.pos = pos;
switch (type)
@ -1197,6 +1222,14 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
HLPFILE_FreeLink(attributes.link);
attributes.link = NULL;
format += 1;
if (rd) {
if (!rd->current_link)
WINE_FIXME("No existing link\n");
else
rd->current_link->cpMax = rd->char_pos;
rd->current_link = NULL;
rd->force_color = FALSE;
}
break;
case 0x8B:
@ -1222,8 +1255,8 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
case 0xCC:
WINE_TRACE("macro => %s\n", format + 3);
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink(hlp_link_macro, (const char*)format + 3,
0, !(*format & 4), -1);
attributes.link = HLPFILE_AllocLink(rd, hlp_link_macro, (const char*)format + 3,
GET_USHORT(format, 1), 0, !(*format & 4), -1);
format += 3 + GET_USHORT(format, 1);
break;
@ -1231,8 +1264,8 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
case 0xE1:
WINE_WARN("jump topic 1 => %u\n", GET_UINT(format, 1));
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink((*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath,
attributes.link = HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath, -1,
GET_UINT(format, 1)-16,
1, -1);
@ -1244,10 +1277,9 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
case 0xE3:
case 0xE6:
case 0xE7:
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink((*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath,
GET_UINT(format, 1),
attributes.link = HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
page->file->lpszPath, -1,
GET_UINT(format, 1),
!(*format & 4), -1);
format += 5;
break;
@ -1285,8 +1317,8 @@ static BOOL HLPFILE_BrowseParagraph(HLPFILE_PAGE* page, struct RtfData* rd, BYTE
break;
}
HLPFILE_FreeLink(attributes.link);
attributes.link = HLPFILE_AllocLink((*format & 1) ? hlp_link_link : hlp_link_popup,
ptr, GET_UINT(format, 4),
attributes.link = HLPFILE_AllocLink(rd, (*format & 1) ? hlp_link_link : hlp_link_popup,
ptr, -1, GET_UINT(format, 4),
!(*format & 4), wnd);
}
format += 3 + GET_USHORT(format, 1);
@ -1321,6 +1353,7 @@ BOOL HLPFILE_BrowsePage(HLPFILE_PAGE* page, struct RtfData* rd)
rd->in_text = TRUE;
rd->data = rd->ptr = HeapAlloc(GetProcessHeap(), 0, rd->allocated = 32768);
rd->char_pos = 0;
rd->first_link = rd->current_link = NULL;
rd->force_color = FALSE;
}
@ -1451,6 +1484,8 @@ BOOL HLPFILE_BrowsePage(HLPFILE_PAGE* page, struct RtfData* rd)
ref = GET_UINT(buf, 0xc);
} while (ref != 0xffffffff);
done:
if (rd)
page->first_link = rd->first_link;
return HLPFILE_RtfAddControl(rd, "}");
}
@ -2364,7 +2399,9 @@ static BOOL HLPFILE_GetMap(HLPFILE *hlpfile)
void HLPFILE_FreeLink(HLPFILE_LINK* link)
{
if (link && !--link->wRefCount)
{
HeapFree(GetProcessHeap(), 0, link);
}
}
/***********************************************************************

13
programs/winhelp/hlpfile.h
View File

@ -35,14 +35,17 @@ typedef struct
COLORREF nsr_color; /* color for non scrollable region */
} HLPFILE_WINDOWINFO;
typedef struct
typedef struct tagHlpFileLink
{
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 */
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 */
wRefCount; /* number of internal references to this object */
unsigned window; /* window number for displaying the link (-1 is current) */
DWORD cpMin;
DWORD cpMax;
struct tagHlpFileLink* next;
} HLPFILE_LINK;
enum para_type {para_normal_text, para_debug_text, para_bitmap, para_metafile};
@ -92,6 +95,8 @@ typedef struct tagHlpFilePage
HLPFILE_PARAGRAPH* first_paragraph;
HLPFILE_MACRO* first_macro;
HLPFILE_LINK* first_link;
unsigned wNumber;
unsigned offset;
DWORD reference;
@ -207,6 +212,8 @@ struct RtfData {
unsigned allocated; /* overall allocated size */
unsigned char_pos; /* current char position (in richedit) */
char* where; /* pointer to feed back richedit */
HLPFILE_LINK*first_link;
HLPFILE_LINK*current_link;
BOOL force_color;
};

154
programs/winhelp/winhelp.c
View File

@ -55,6 +55,7 @@ static void WINHELP_DeleteLines(WINHELP_WINDOW*);
static void WINHELP_DeleteWindow(WINHELP_WINDOW*);
static void WINHELP_DeleteButtons(WINHELP_WINDOW*);
static void WINHELP_SetupText(HWND hWnd, WINHELP_WINDOW *win, ULONG relative);
static void WINHELP_DeletePageLinks(HLPFILE_PAGE* page);
static WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW*, WPARAM, LPARAM);
WINHELP_GLOBALS Globals = {3, NULL, TRUE, NULL, NULL, NULL, NULL, NULL, {{{NULL,NULL}},0}};
@ -207,7 +208,7 @@ HLPFILE_WINDOWINFO* WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name)
*
*/
static HLPFILE_WINDOWINFO* WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile,
WINHELP_WINDOW* parent, POINT* mouse)
WINHELP_WINDOW* parent, LPARAM mouse)
{
static HLPFILE_WINDOWINFO wi;
@ -220,7 +221,8 @@ static HLPFILE_WINDOWINFO* WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile,
wi.size.cx = (parent_rect.right - parent_rect.left) / 2;
wi.size.cy = 10; /* need a non null value, so that border are taken into account while computing */
wi.origin = *mouse;
wi.origin.x = (short)LOWORD(mouse);
wi.origin.y = (short)HIWORD(mouse);
ClientToScreen(parent->hMainWnd, &wi.origin);
wi.origin.x -= wi.size.cx / 2;
wi.origin.x = min(wi.origin.x, GetSystemMetrics(SM_CXSCREEN) - wi.size.cx);
@ -657,9 +659,13 @@ BOOL WINHELP_CreateHelpWindow(WINHELP_WNDPAGE* wpage, int nCmdShow, BOOL remembe
hTextWnd = CreateWindow(TEXT_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_TEXT, Globals.hInstance, win);
else
{
hTextWnd = CreateWindow(RICHEDIT_CLASS, NULL,
ES_MULTILINE | ES_READONLY | WS_CHILD | WS_HSCROLL | WS_VSCROLL | WS_VISIBLE,
0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_TEXT, Globals.hInstance, NULL);
SendMessage(hTextWnd, EM_SETEVENTMASK, 0,
SendMessage(hTextWnd, EM_GETEVENTMASK, 0, 0) | ENM_MOUSEEVENTS);
}
}
hIcon = (wpage->page) ? wpage->page->file->hIcon : NULL;
@ -701,6 +707,106 @@ BOOL WINHELP_OpenHelpWindow(HLPFILE_PAGE* (*lookup)(HLPFILE*, LONG, ULONG*),
return WINHELP_CreateHelpWindow(&wpage, nCmdShow, TRUE);
}
/***********************************************************************
*
* WINHELP_FindLink
*/
static HLPFILE_LINK* WINHELP_FindLink(WINHELP_WINDOW* win, LPARAM pos)
{
HLPFILE_LINK* link;
POINTL mouse_ptl, char_ptl, char_next_ptl;
DWORD cp;
if (!win->page) return NULL;
mouse_ptl.x = (short)LOWORD(pos);
mouse_ptl.y = (short)HIWORD(pos);
cp = SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_CHARFROMPOS,
0, (LPARAM)&mouse_ptl);
for (link = win->page->first_link; link; link = link->next)
{
if (link->cpMin <= cp && cp <= link->cpMax)
{
/* check whether we're at end of line */
SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
(LPARAM)&char_ptl, cp);
SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
(LPARAM)&char_next_ptl, cp + 1);
if (char_next_ptl.y != char_ptl.y || mouse_ptl.x >= char_next_ptl.x)
link = NULL;
break;
}
}
return link;
}
/******************************************************************
* WINHELP_HandleTextMouse
*
*/
static BOOL WINHELP_HandleTextMouse(WINHELP_WINDOW* win, const MSGFILTER* msgf)
{
HLPFILE* hlpfile;
HLPFILE_LINK* link;
BOOL ret = FALSE;
switch (msgf->msg)
{
case WM_MOUSEMOVE:
if (WINHELP_FindLink(win, msgf->lParam))
SetCursor(win->hHandCur);
else
SetCursor(LoadCursor(0, IDC_ARROW));
break;
case WM_LBUTTONDOWN:
if ((win->current_link = WINHELP_FindLink(win, msgf->lParam)))
ret = TRUE;
break;
case WM_LBUTTONUP:
if ((link = WINHELP_FindLink(win, msgf->lParam)) && link == win->current_link)
{
HLPFILE_WINDOWINFO* wi;
switch (link->cookie)
{
case hlp_link_link:
if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
{
if (link->window == -1)
wi = win->info;
else if ((link->window >= 0) && (link->window < hlpfile->numWindows))
wi = &hlpfile->windows[link->window];
else
{
WINE_WARN("link to window %d/%d\n", link->window, hlpfile->numWindows);
break;
}
WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash, wi, SW_NORMAL);
}
break;
case hlp_link_popup:
if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash,
WINHELP_GetPopupWindowInfo(hlpfile, win, msgf->lParam),
SW_NORMAL);
break;
case hlp_link_macro:
MACRO_ExecuteMacro(link->string);
break;
default:
WINE_FIXME("Unknown link cookie %d\n", link->cookie);
}
ret = TRUE;
}
win->current_link = NULL;
break;
}
return ret;
}
/***********************************************************************
*
* WINHELP_MainWndProc
@ -813,6 +919,15 @@ static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam,
return 0;
}
break;
case WM_NOTIFY:
if (wParam == CTL_ID_TEXT)
{
return WINHELP_HandleTextMouse((WINHELP_WINDOW*)GetWindowLong(hWnd, 0),
(const MSGFILTER*)lParam);
}
break;
case WM_NCDESTROY:
{
BOOL bExit;
@ -993,7 +1108,6 @@ static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam,
WINDOWPOS *winpos;
PAINTSTRUCT ps;
HDC hDc;
POINT mouse;
INT scroll_pos;
HWND hPopupWnd;
@ -1259,13 +1373,10 @@ static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam,
HLPFILE* hlpfile;
HLPFILE_WINDOWINFO* wi;
mouse.x = (short)LOWORD(lParam);
mouse.y = (short)HIWORD(lParam);
if (part->link) switch (part->link->cookie)
{
case hlp_link_link:
hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
hlpfile = WINHELP_LookupHelpFile(part->link->string);
if (part->link->window == -1)
wi = win->info;
else if (part->link->window < hlpfile->numWindows)
@ -1275,17 +1386,17 @@ static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam,
WINE_WARN("link to window %d/%d\n", part->link->window, hlpfile->numWindows);
break;
}
WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, part->link->lHash,
WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, part->link->hash,
wi, SW_NORMAL);
break;
case hlp_link_popup:
hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
if (hlpfile) WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, part->link->lHash,
WINHELP_GetPopupWindowInfo(hlpfile, win, &mouse),
hlpfile = WINHELP_LookupHelpFile(part->link->string);
if (hlpfile) WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, part->link->hash,
WINHELP_GetPopupWindowInfo(hlpfile, win, lParam),
SW_NORMAL);
break;
case hlp_link_macro:
MACRO_ExecuteMacro(part->link->lpszString);
MACRO_ExecuteMacro(part->link->string);
break;
default:
WINE_FIXME("Unknown link cookie %d\n", part->link->cookie);
@ -1894,6 +2005,22 @@ void WINHELP_DeleteBackSet(WINHELP_WINDOW* win)
win->back.index = 0;
}
/******************************************************************
* WINHELP_DeletePageLinks
*
*/
static void WINHELP_DeletePageLinks(HLPFILE_PAGE* page)
{
HLPFILE_LINK* curr;
HLPFILE_LINK* next;
for (curr = page->first_link; curr; curr = next)
{
next = curr->next;
HeapFree(GetProcessHeap(), 0, curr);
}
}
/***********************************************************************
*
* WINHELP_DeleteWindow
@ -1923,6 +2050,7 @@ static void WINHELP_DeleteWindow(WINHELP_WINDOW* win)
WINHELP_DeleteButtons(win);
if (win->page) WINHELP_DeletePageLinks(win->page);
if (win->hShadowWnd) DestroyWindow(win->hShadowWnd);
if (win->hHistoryWnd) DestroyWindow(win->hHistoryWnd);
@ -2005,7 +2133,7 @@ WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW* win, WPARAM wParam, LPARAM
for (part = &line->first_part; part; part = part->next)
{
if (part->link &&
part->link->lpszString &&
part->link->string &&
part->rect.left <= mouse.x &&
part->rect.right >= mouse.x &&
part->rect.top <= mouse.y + scroll_pos &&

1
programs/winhelp/winhelp.h
View File

@ -126,6 +126,7 @@ typedef struct tagWinHelp
HBRUSH hBrush;
HLPFILE_WINDOWINFO* info;
HLPFILE_LINK* current_link;
WINHELP_PAGESET back;