reactos/base/applications/winhlp32/winhelp.h

   1 /*
   2  * Help Viewer
   3  *
   4  * Copyright    1996 Ulrich Schmid
   5  * Copyright    2002 Sylvain Petreolle <spetreolle@yahoo.fr>
   6  *              2002 Eric Pouech
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define MAX_LANGUAGE_NUMBER     255
  24 #define MAX_STRING_LEN          255
  25
  26 #define INTERNAL_BORDER_WIDTH   5
  27 #define POPUP_YDISTANCE         20
  28 #define SHADOW_DX               10
  29 #define SHADOW_DY               10
  30 #define BUTTON_CX               6
  31 #define BUTTON_CY               6
  32
  33 #ifndef RC_INVOKED
  34
  35 #include <stdarg.h>
  36
  37 #include "hlpfile.h"
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "macro.h"
  41 #include "winhelp_res.h"
  42
  43 typedef struct tagHelpButton
  44 {
  45     HWND                hWnd;
  46
  47     LPCSTR              lpszID;
  48     LPCSTR              lpszName;
  49     LPCSTR              lpszMacro;
  50
  51     WPARAM              wParam;
  52
  53     RECT                rect;
  54
  55     struct tagHelpButton*next;
  56 } WINHELP_BUTTON;
  57
  58 typedef struct
  59 {
  60     HLPFILE_PAGE*       page;
  61     HLPFILE_WINDOWINFO* wininfo;
  62     ULONG               relative;
  63 } WINHELP_WNDPAGE;
  64
  65 typedef struct tagPageSet
  66 {
  67     /* FIXME: for now it's a fixed size */
  68     WINHELP_WNDPAGE     set[40];
  69     unsigned            index;
  70 } WINHELP_PAGESET;
  71
  72 typedef struct tagWinHelp
  73 {
  74     unsigned            ref_count;
  75     WINHELP_BUTTON*     first_button;
  76     HLPFILE_PAGE*       page;
  77
  78     HWND                hMainWnd;
  79     HWND                hHistoryWnd;
  80
  81     WNDPROC             origRicheditWndProc;
  82
  83     HFONT*              fonts;
  84     UINT                fonts_len;
  85
  86     HCURSOR             hHandCur;
  87
  88     HBRUSH              hBrush;
  89
  90     HLPFILE_WINDOWINFO* info;
  91
  92     WINHELP_PAGESET     back;
  93     unsigned            font_scale; /* 0 = small, 1 = normal, 2 = large */
  94
  95     struct tagWinHelp*  next;
  96 } WINHELP_WINDOW;
  97
  98 #define DC_NOMSG     0x00000000
  99 #define DC_MINMAX    0x00000001
 100 #define DC_INITTERM  0x00000002
 101 #define DC_JUMP      0x00000004
 102 #define DC_ACTIVATE  0x00000008
 103 #define DC_CALLBACKS 0x00000010
 104
 105 #define DW_NOTUSED    0
 106 #define DW_WHATMSG    1
 107 #define DW_MINMAX     2
 108 #define DW_SIZE       3
 109 #define DW_INIT       4
 110 #define DW_TERM       5
 111 #define DW_STARTJUMP  6
 112 #define DW_ENDJUMP    7
 113 #define DW_CHGFILE    8
 114 #define DW_ACTIVATE   9
 115 #define DW_CALLBACKS 10
 116
 117 typedef LONG (CALLBACK *WINHELP_LDLLHandler)(WORD, LONG_PTR, LONG_PTR);
 118
 119 typedef struct tagDll
 120 {
 121     HANDLE              hLib;
 122     const char*         name;
 123     WINHELP_LDLLHandler handler;
 124     DWORD               class;
 125     struct tagDll*      next;
 126 } WINHELP_DLL;
 127
 128 typedef struct
 129 {
 130     UINT                wVersion;
 131     HANDLE              hInstance;
 132     BOOL                isBook;
 133     WINHELP_WINDOW*     active_win;
 134     WINHELP_WINDOW*     active_popup;
 135     WINHELP_WINDOW*     win_list;
 136     WNDPROC             button_proc;
 137     WINHELP_DLL*        dlls;
 138     WINHELP_PAGESET     history;
 139     HFONT               hButtonFont;
 140 } WINHELP_GLOBALS;
 141
 142 extern const struct winhelp_callbacks
 143 {
 144     WORD      (WINAPI *GetFSError)(void);
 145     HANDLE    (WINAPI *HfsOpenSz)(LPSTR,BYTE);
 146     WORD      (WINAPI *RcCloseHfs)(HANDLE);
 147     HANDLE    (WINAPI *HfOpenHfs)(HANDLE,LPSTR,BYTE);
 148     HANDLE    (WINAPI *RcCloseHf)(HANDLE);
 149     LONG      (WINAPI *LcbReadHf)(HANDLE,BYTE*,LONG);
 150     LONG      (WINAPI *LTellHf)(HANDLE);
 151     LONG      (WINAPI *LSeekHf)(HANDLE,LONG,WORD);
 152     BOOL      (WINAPI *FEofHf)(HANDLE);
 153     LONG      (WINAPI *LcbSizeHf)(HANDLE);
 154     BOOL      (WINAPI *FAccessHfs)(HANDLE,LPSTR,BYTE);
 155     WORD      (WINAPI *RcLLInfoFromHf)(HANDLE,WORD,LPWORD,LPLONG,LPLONG);
 156     WORD      (WINAPI *RcLLInfoFromHfs)(HANDLE,LPSTR,WORD,LPWORD,LPLONG,LPLONG);
 157     void      (WINAPI *ErrorW)(int);
 158     void      (WINAPI *ErrorSz)(LPSTR);
 159     ULONG_PTR (WINAPI *GetInfo)(WORD,HWND);
 160     LONG      (WINAPI *API)(LPSTR,WORD,DWORD);
 161 } Callbacks;
 162
 163 extern WINHELP_GLOBALS Globals;
 164
 165 BOOL WINHELP_CreateHelpWindow(WINHELP_WNDPAGE*, int, BOOL);
 166 BOOL WINHELP_OpenHelpWindow(HLPFILE_PAGE* (*)(HLPFILE*, LONG, ULONG*),
 167                             HLPFILE*, LONG, HLPFILE_WINDOWINFO*, int);
 168 BOOL WINHELP_GetOpenFileName(LPSTR, int);
 169 BOOL WINHELP_CreateIndexWindow(BOOL);
 170 void WINHELP_DeleteBackSet(WINHELP_WINDOW*);
 171 HLPFILE* WINHELP_LookupHelpFile(LPCSTR lpszFile);
 172 HLPFILE_WINDOWINFO* WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name);
 173 void WINHELP_LayoutMainWindow(WINHELP_WINDOW* win);
 174 WINHELP_WINDOW* WINHELP_GrabWindow(WINHELP_WINDOW*);
 175 BOOL WINHELP_ReleaseWindow(WINHELP_WINDOW*);
 176
 177 extern const char MAIN_WIN_CLASS_NAME[];
 178 extern const char BUTTON_BOX_WIN_CLASS_NAME[];
 179 extern const char TEXT_WIN_CLASS_NAME[];
 180 extern const char SHADOW_WIN_CLASS_NAME[];
 181 extern const char HISTORY_WIN_CLASS_NAME[];
 182 extern const char STRING_BUTTON[];
 183 extern const char STRING_MENU_Xx[];
 184 extern const char STRING_DIALOG_TEST[];
 185 #endif
 186
 187 /* Buttons */
 188 #define WH_FIRST_BUTTON     500