wininet: Handle invalid HTTP time of "0".
[wine] / programs / 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