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hhctrl.ocx: Use document title for subtopics in the index.
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@ -20,6 +20,7 @@
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*/
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#include "hhctrl.h"
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#include "stream.h"
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#include "winreg.h"
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#include "shlwapi.h"
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@ -27,10 +28,6 @@
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WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
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#define BLOCK_BITS 12
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#define BLOCK_SIZE (1 << BLOCK_BITS)
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#define BLOCK_MASK (BLOCK_SIZE-1)
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/* Reads a string from the #STRINGS section in the CHM file */
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static LPCSTR GetChmString(CHMInfo *chm, DWORD offset)
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{
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@ -413,6 +410,62 @@ IStream *GetChmStream(CHMInfo *info, LPCWSTR parent_chm, ChmPath *chm_file)
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return stream;
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}
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/*
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* Retrieve a CHM document and parse the data from the <title> element to get the document's title.
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*/
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WCHAR *GetDocumentTitle(CHMInfo *info, LPCWSTR document)
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{
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strbuf_t node, node_name, content;
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WCHAR *document_title = NULL;
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IStream *str = NULL;
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IStorage *storage;
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stream_t stream;
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HRESULT hres;
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TRACE("%s\n", debugstr_w(document));
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storage = info->pStorage;
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if(!storage) {
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WARN("Could not open storage to obtain the title for a document.\n");
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return NULL;
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}
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IStorage_AddRef(storage);
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hres = IStorage_OpenStream(storage, document, NULL, STGM_READ, 0, &str);
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IStorage_Release(storage);
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if(FAILED(hres))
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WARN("Could not open stream: %08x\n", hres);
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stream_init(&stream, str);
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strbuf_init(&node);
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strbuf_init(&content);
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strbuf_init(&node_name);
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while(next_node(&stream, &node)) {
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get_node_name(&node, &node_name);
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TRACE("%s\n", node.buf);
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if(!strcasecmp(node_name.buf, "title")) {
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if(next_content(&stream, &content) && content.len > 1)
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{
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document_title = strdupnAtoW(&content.buf[1], content.len-1);
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FIXME("magic: %s\n", debugstr_w(document_title));
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break;
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}
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}
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strbuf_zero(&node);
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}
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strbuf_free(&node);
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strbuf_free(&content);
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strbuf_free(&node_name);
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IStream_Release(str);
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return document_title;
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}
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/* Opens the CHM file for reading */
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CHMInfo *OpenCHM(LPCWSTR szFile)
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{
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@ -634,6 +634,8 @@ static LRESULT OnTopicChange(HHInfo *info, void *user_data)
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IndexSubItem *item = &iiter->items[i];
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WCHAR *name = iiter->keyword;
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if(!item->name)
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item->name = GetDocumentTitle(info->pCHMInfo, item->local);
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if(item->name)
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name = item->name;
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memset(&lvi, 0, sizeof(lvi));
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@ -189,6 +189,7 @@ CHMInfo *CloseCHM(CHMInfo *pCHMInfo) DECLSPEC_HIDDEN;
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void SetChmPath(ChmPath*,LPCWSTR,LPCWSTR) DECLSPEC_HIDDEN;
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IStream *GetChmStream(CHMInfo*,LPCWSTR,ChmPath*) DECLSPEC_HIDDEN;
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LPWSTR FindContextAlias(CHMInfo*,DWORD) DECLSPEC_HIDDEN;
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WCHAR *GetDocumentTitle(CHMInfo*,LPCWSTR) DECLSPEC_HIDDEN;
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HHInfo *CreateHelpViewer(LPCWSTR) DECLSPEC_HIDDEN;
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void ReleaseHelpViewer(HHInfo*) DECLSPEC_HIDDEN;
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@ -19,7 +19,9 @@
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#ifndef HHCTRL_STREAM_H
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#define HHCTRL_STREAM_H
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#define BLOCK_SIZE 0x1000
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#define BLOCK_BITS 12
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#define BLOCK_SIZE (1 << BLOCK_BITS)
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#define BLOCK_MASK (BLOCK_SIZE-1)
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typedef struct {
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char *buf;
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