git.distorted.org.uk Git - u/mdw/putty/blob - unix/unix.h

   1 #ifndef PUTTY_UNIX_H
   2 #define PUTTY_UNIX_H
   3
   4 #ifdef HAVE_CONFIG_H
   5 # include "uxconfig.h" /* Space to hide it from mkfiles.pl */
   6 #endif
   7
   8 #include <stdio.h>                     /* for FILENAME_MAX */
   9 #include <stdint.h>                    /* C99 int types */
  10 #ifndef NO_LIBDL
  11 #include <dlfcn.h>                     /* Dynamic library loading */
  12 #endif /*  NO_LIBDL */
  13 #include "charset.h"
  14
  15 struct Filename {
  16     char *path;
  17 };
  18 FILE *f_open(const struct Filename *, char const *, int);
  19
  20 struct FontSpec {
  21     char *name;    /* may be "" to indicate no selected font at all */
  22 };
  23 struct FontSpec *fontspec_new(const char *name);
  24
  25 typedef void *Context;                 /* FIXME: probably needs changing */
  26
  27 typedef int OSSocket;
  28 #define OSSOCKET_DEFINED               /* stop network.h using its default */
  29
  30 extern Backend pty_backend;
  31
  32 typedef uint32_t uint32; /* C99: uint32_t defined in stdint.h */
  33 #define PUTTY_UINT32_DEFINED
  34
  35 /*
  36  * Under GTK, we send MA_CLICK _and_ MA_2CLK, or MA_CLICK _and_
  37  * MA_3CLK, when a button is pressed for the second or third time.
  38  */
  39 #define MULTICLICK_ONLY_EVENT 0
  40
  41 /*
  42  * Under GTK, there is no context help available.
  43  */
  44 #define HELPCTX(x) P(NULL)
  45 #define FILTER_KEY_FILES NULL          /* FIXME */
  46 #define FILTER_DYNLIB_FILES NULL       /* FIXME */
  47
  48 /*
  49  * Under X, selection data must not be NUL-terminated.
  50  */
  51 #define SELECTION_NUL_TERMINATED 0
  52
  53 /*
  54  * Under X, copying to the clipboard terminates lines with just LF.
  55  */
  56 #define SEL_NL { 10 }
  57
  58 /* Simple wraparound timer function */
  59 unsigned long getticks(void);          /* based on gettimeofday(2) */
  60 #define GETTICKCOUNT getticks
  61 #define TICKSPERSEC    1000            /* we choose to use milliseconds */
  62 #define CURSORBLINK     450            /* no standard way to set this */
  63
  64 #define WCHAR wchar_t
  65 #define BYTE unsigned char
  66
  67 /*
  68  * Unix-specific global flag
  69  *
  70  * FLAG_STDERR_TTY indicates that standard error might be a terminal and
  71  * might get its configuration munged, so anything trying to output plain
  72  * text (i.e. with newlines in it) will need to put it back into cooked
  73  * mode first.  Applications setting this flag should also call
  74  * stderr_tty_init() before messing with any terminal modes, and can call
  75  * premsg() before outputting text to stderr and postmsg() afterwards.
  76  */
  77 #define FLAG_STDERR_TTY 0x1000
  78
  79 /* Things pty.c needs from pterm.c */
  80 char *get_x_display(void *frontend);
  81 int font_dimension(void *frontend, int which);/* 0 for width, 1 for height */
  82 long get_windowid(void *frontend);
  83
  84 /* Things gtkdlg.c needs from pterm.c */
  85 void *get_window(void *frontend);      /* void * to avoid depending on gtk.h */
  86
  87 /* Things pterm.c needs from gtkdlg.c */
  88 int do_config_box(const char *title, Conf *conf,
  89                   int midsession, int protcfginfo);
  90 void fatal_message_box(void *window, char *msg);
  91 void about_box(void *window);
  92 void *eventlogstuff_new(void);
  93 void showeventlog(void *estuff, void *parentwin);
  94 void logevent_dlg(void *estuff, const char *string);
  95 int reallyclose(void *frontend);
  96 #ifdef MAY_REFER_TO_GTK_IN_HEADERS
  97 int messagebox(GtkWidget *parentwin, char *title, char *msg, int minwid, ...);
  98 int string_width(char *text);
  99 #endif
 100
 101 /* Things pterm.c needs from {ptermm,uxputty}.c */
 102 char *make_default_wintitle(char *hostname);
 103 int process_nonoption_arg(char *arg, Conf *conf, int *allow_launch);
 104
 105 /* pterm.c needs this special function in xkeysym.c */
 106 int keysym_to_unicode(int keysym);
 107
 108 /* Things uxstore.c needs from pterm.c */
 109 char *x_get_default(const char *key);
 110
 111 /* Things uxstore.c provides to pterm.c */
 112 void provide_xrm_string(char *string);
 113
 114 /* Things provided by uxcons.c */
 115 struct termios;
 116 void stderr_tty_init(void);
 117 void premsg(struct termios *);
 118 void postmsg(struct termios *);
 119
 120 /* The interface used by uxsel.c */
 121 void uxsel_init(void);
 122 typedef int (*uxsel_callback_fn)(int fd, int event);
 123 void uxsel_set(int fd, int rwx, uxsel_callback_fn callback);
 124 void uxsel_del(int fd);
 125 int select_result(int fd, int event);
 126 int first_fd(int *state, int *rwx);
 127 int next_fd(int *state, int *rwx);
 128 /* The following are expected to be provided _to_ uxsel.c by the frontend */
 129 int uxsel_input_add(int fd, int rwx);  /* returns an id */
 130 void uxsel_input_remove(int id);
 131
 132 /* uxcfg.c */
 133 struct controlbox;
 134 void unix_setup_config_box(struct controlbox *b, int midsession, int protocol);
 135
 136 /* gtkcfg.c */
 137 void gtk_setup_config_box(struct controlbox *b, int midsession, void *window);
 138
 139 /*
 140  * In the Unix Unicode layer, DEFAULT_CODEPAGE is a special value
 141  * which causes mb_to_wc and wc_to_mb to call _libc_ rather than
 142  * libcharset. That way, we can interface the various charsets
 143  * supported by libcharset with the one supported by mbstowcs and
 144  * wcstombs (which will be the character set in which stuff read
 145  * from the command line or config files is assumed to be encoded).
 146  */
 147 #define DEFAULT_CODEPAGE 0xFFFF
 148 #define CP_UTF8 CS_UTF8                /* from libcharset */
 149
 150 #define strnicmp strncasecmp
 151 #define stricmp strcasecmp
 152
 153 /* BSD-semantics version of signal(), and another helpful function */
 154 void (*putty_signal(int sig, void (*func)(int)))(int);
 155 void block_signal(int sig, int block_it);
 156
 157 /* uxmisc.c */
 158 int cloexec(int);
 159
 160 /*
 161  * Exports from unicode.c.
 162  */
 163 struct unicode_data;
 164 int init_ucs(struct unicode_data *ucsdata, char *line_codepage,
 165              int utf8_override, int font_charset, int vtmode);
 166
 167 /*
 168  * Spare function exported directly from uxnet.c.
 169  */
 170 void *sk_getxdmdata(void *sock, int *lenp);
 171
 172 /*
 173  * Function provided by front ends, and called by uxnet.c to indicate
 174  * that net_pending_errors() would like to be called back when the
 175  * front end has a spare moment and isn't deep in any other recursion.
 176  */
 177 void frontend_net_error_pending(void);
 178
 179 /*
 180  * General helpful Unix stuff: more helpful version of the FD_SET
 181  * macro, which also handles maxfd.
 182  */
 183 #define FD_SET_MAX(fd, max, set) do { \
 184     FD_SET(fd, &set); \
 185     if (max < fd + 1) max = fd + 1; \
 186 } while (0)
 187
 188 /*
 189  * Exports from winser.c.
 190  */
 191 extern Backend serial_backend;
 192
 193 #endif