dlls/hhctrl.ocx/hhctrl.h

   1 /*
   2  * Copyright 2005 James Hawkins
   3  * Copyright 2007 Jacek Caban for CodeWeavers
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #ifndef HHCTRL_H
  21 #define HHCTRL_H
  22
  23 #include <stdarg.h>
  24
  25 #define COBJMACROS
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "winnls.h"
  31 #include "htmlhelp.h"
  32 #include "ole2.h"
  33 #include "exdisp.h"
  34 #include "mshtmhst.h"
  35 #include "commctrl.h"
  36
  37 #ifdef INIT_GUID
  38 #include "initguid.h"
  39 #endif
  40
  41 #include "wine/itss.h"
  42 #include "wine/unicode.h"
  43
  44 #define WB_GOBACK     0
  45 #define WB_GOFORWARD  1
  46 #define WB_GOHOME     2
  47 #define WB_SEARCH     3
  48 #define WB_REFRESH    4
  49 #define WB_STOP       5
  50
  51 typedef struct {
  52     LPWSTR chm_file;
  53     LPWSTR chm_index;
  54 } ChmPath;
  55
  56 typedef struct ContentItem {
  57     struct ContentItem *parent;
  58     struct ContentItem *child;
  59     struct ContentItem *next;
  60
  61     HTREEITEM id;
  62
  63     LPWSTR name;
  64     LPWSTR local;
  65     ChmPath merge;
  66 } ContentItem;
  67
  68 typedef struct CHMInfo
  69 {
  70     IITStorage *pITStorage;
  71     IStorage *pStorage;
  72     LPCWSTR szFile;
  73
  74     IStream *strings_stream;
  75     char **strings;
  76     DWORD strings_size;
  77
  78     WCHAR *defTopic;
  79     WCHAR *defTitle;
  80     WCHAR *defToc;
  81 } CHMInfo;
  82
  83 #define TAB_CONTENTS   0
  84 #define TAB_INDEX      1
  85 #define TAB_SEARCH     2
  86 #define TAB_FAVORITES  3
  87
  88 typedef struct {
  89     HWND hwnd;
  90     DWORD id;
  91 } HHTab;
  92
  93 typedef struct {
  94     IOleClientSite *client_site;
  95     IWebBrowser2 *web_browser;
  96     IOleObject *wb_object;
  97
  98     HH_WINTYPEW WinType;
  99
 100     LPWSTR pszType;
 101     LPWSTR pszCaption;
 102     LPWSTR pszToc;
 103     LPWSTR pszIndex;
 104     LPWSTR pszFile;
 105     LPWSTR pszHome;
 106     LPWSTR pszJump1;
 107     LPWSTR pszJump2;
 108     LPWSTR pszUrlJump1;
 109     LPWSTR pszUrlJump2;
 110     LPWSTR pszCustomTabs;
 111
 112     CHMInfo *pCHMInfo;
 113     ContentItem *content;
 114     HWND hwndTabCtrl;
 115     HWND hwndSizeBar;
 116     HFONT hFont;
 117
 118     HHTab tabs[TAB_FAVORITES+1];
 119     DWORD current_tab;
 120 } HHInfo;
 121
 122 BOOL InitWebBrowser(HHInfo*,HWND);
 123 void ReleaseWebBrowser(HHInfo*);
 124 void ResizeWebBrowser(HHInfo*,DWORD,DWORD);
 125 void DoPageAction(HHInfo*,DWORD);
 126
 127 void InitContent(HHInfo*);
 128 void ReleaseContent(HHInfo*);
 129
 130 CHMInfo *OpenCHM(LPCWSTR szFile);
 131 BOOL LoadWinTypeFromCHM(HHInfo *info);
 132 CHMInfo *CloseCHM(CHMInfo *pCHMInfo);
 133 void SetChmPath(ChmPath*,LPCWSTR,LPCWSTR);
 134 IStream *GetChmStream(CHMInfo*,LPCWSTR,ChmPath*);
 135 LPWSTR FindContextAlias(CHMInfo*,DWORD);
 136
 137 HHInfo *CreateHelpViewer(LPCWSTR);
 138 void ReleaseHelpViewer(HHInfo*);
 139 BOOL NavigateToUrl(HHInfo*,LPCWSTR);
 140 BOOL NavigateToChm(HHInfo*,LPCWSTR,LPCWSTR);
 141
 142 /* memory allocation functions */
 143
 144 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
 145 {
 146     return HeapAlloc(GetProcessHeap(), 0, len);
 147 }
 148
 149 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
 150 {
 151     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 152 }
 153
 154 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
 155 {
 156     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 157 }
 158
 159 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc_zero(void *mem, size_t len)
 160 {
 161     return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
 162 }
 163
 164 static inline BOOL heap_free(void *mem)
 165 {
 166     return HeapFree(GetProcessHeap(), 0, mem);
 167 }
 168
 169 static inline LPWSTR strdupW(LPCWSTR str)
 170 {
 171     LPWSTR ret;
 172     int size;
 173
 174     if(!str)
 175         return NULL;
 176
 177     size = (strlenW(str)+1)*sizeof(WCHAR);
 178     ret = heap_alloc(size);
 179     memcpy(ret, str, size);
 180
 181     return ret;
 182 }
 183
 184 static inline LPWSTR strdupnAtoW(LPCSTR str, LONG lenA)
 185 {
 186     LPWSTR ret;
 187     DWORD len;
 188
 189     if(!str)
 190         return NULL;
 191
 192     if (lenA > 0)
 193     {
 194         /* find length of string */
 195         LPCSTR eos = memchr(str, 0, lenA);
 196         if (eos) lenA = eos - str;
 197     }
 198
 199     len = MultiByteToWideChar(CP_ACP, 0, str, lenA, NULL, 0)+1; /* +1 for null pad */
 200     ret = heap_alloc(len*sizeof(WCHAR));
 201     MultiByteToWideChar(CP_ACP, 0, str, lenA, ret, len);
 202     ret[len-1] = 0;
 203
 204     return ret;
 205 }
 206
 207 static inline LPWSTR strdupAtoW(LPCSTR str)
 208 {
 209     return strdupnAtoW(str, -1);
 210 }
 211
 212
 213
 214 extern HINSTANCE hhctrl_hinstance;
 215 extern BOOL hh_process;
 216
 217 #endif