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Initial support for HTML Help. All the ad-hoc help-file finding code

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and various calls to WinHelp() have been centralised into a new file
winhelp.c, which in turn has been modified to detect a .CHM file as
well as .HLP and select between them as appropriate. It explicitly
tries to load HHCTRL.OCX and use GetProcAddress, meaning that it
_should_ still work correctly on pre-HTML-Help platforms, falling
gracefully back to WinHelp, but although I tested this by
temporarily renaming my own HHCTRL.OCX I haven't yet been able to
test it on a real HTML-Help-free platform.

Also in this checkin: a new .but file and docs makefile changes to
make it convenient to build the sources for a .CHM. As yet, owing to
limitations of Halibut's CHM support, I'm not able to write a .CHM
directly, more's the pity.

[originally from svn r7000]
This commit is contained in:
Simon Tatham
2006-12-17 11:16:07 +00:00
parent 86eac20abb
commit 1dac1bc911
12 changed files with 379 additions and 303 deletions
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11
windows/winstuff.h
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@ -97,6 +97,7 @@ typedef struct terminal_tag Terminal;
#define PUTTY_REG_GPARENT_CHILD "SimonTatham"
#define PUTTY_HELP_FILE "putty.hlp"
#define PUTTY_CHM_FILE "putty.chm"
#define PUTTY_HELP_CONTENTS "putty.cnt"
#define GETTICKCOUNT GetTickCount
@ -120,11 +121,13 @@ GLOBAL HWND logbox;
GLOBAL HINSTANCE hinst;
/*
* Details of the help file.
* Help file stuff in winhelp.c.
*/
GLOBAL char *help_path;
GLOBAL int help_has_contents;
GLOBAL int requested_help;
void init_help(void);
void shutdown_help(void);
int has_help(void);
void launch_help(HWND hwnd, const char *topic);
void quit_help(HWND hwnd);
/*
* The terminal and logging context are notionally local to the